[INFO] cloning repository https://github.com/Takashiidobe/command-line-rust
[INFO] running `Command { std: "git" "-c" "credential.helper=" "-c" "credential.helper=/workspace/cargo-home/bin/git-credential-null" "clone" "--bare" "https://github.com/Takashiidobe/command-line-rust" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2FTakashiidobe%2Fcommand-line-rust", kill_on_drop: false }`
[INFO] [stderr] Cloning into bare repository '/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2FTakashiidobe%2Fcommand-line-rust'...
[INFO] running `Command { std: "git" "rev-parse" "HEAD", kill_on_drop: false }`
[INFO] [stdout] cdc4af585008b34fb7eb8e8e251906b918dd0155
[INFO] testing Takashiidobe/command-line-rust against 1.98.0-beta.1 for beta-1.98-1
[INFO] running `Command { std: "git" "clone" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2FTakashiidobe%2Fcommand-line-rust" "/workspace/builds/worker-5-tc2/source", kill_on_drop: false }`
[INFO] [stderr] Cloning into '/workspace/builds/worker-5-tc2/source'...
[INFO] [stderr] done.
[INFO] started tweaking git repo https://github.com/Takashiidobe/command-line-rust
[INFO] finished tweaking git repo https://github.com/Takashiidobe/command-line-rust
[INFO] tweaked toml for git repo https://github.com/Takashiidobe/command-line-rust written to /workspace/builds/worker-5-tc2/source/Cargo.toml
[INFO] validating manifest of git repo https://github.com/Takashiidobe/command-line-rust on toolchain 1.98.0-beta.1
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+1.98.0-beta.1" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }`
[INFO] crate git repo https://github.com/Takashiidobe/command-line-rust already has a lockfile, it will not be regenerated
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+1.98.0-beta.1" "fetch" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-5-tc2/source:/opt/rustwide/workdir:ro,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-5-tc2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/cargo-home:/opt/rustwide/cargo-home:ro,Z" "-v" "/var/lib/crater-agent-workspace/rustup-home:/opt/rustwide/rustup-home:ro,Z" "-m" "1610612736" "--network" "none" "ghcr.io/rust-lang/crates-build-env/linux@sha256:3d5ced03c013a94a2f102a4510f48a6e9184255caf5fd8244f58017bde7f5210" "sleep" "infinity", kill_on_drop: false }`
[INFO] [stdout] e212228e3d22438af91d5df83bdfe3a26c88f2276e116871a40ca017fabf6e27
[INFO] running `Command { std: "docker" "start" "e212228e3d22438af91d5df83bdfe3a26c88f2276e116871a40ca017fabf6e27", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "e212228e3d22438af91d5df83bdfe3a26c88f2276e116871a40ca017fabf6e27", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "exec" "-e" "SOURCE_DIR=/opt/rustwide/workdir" "-e" "CARGO_HOME=/opt/rustwide/cargo-home" "-e" "RUSTUP_HOME=/opt/rustwide/rustup-home" "-e" "CARGO_TARGET_DIR=/opt/rustwide/target" "-w" "/opt/rustwide/workdir" "--user" "0:0" "e212228e3d22438af91d5df83bdfe3a26c88f2276e116871a40ca017fabf6e27" "/opt/rustwide/cargo-home/bin/cargo" "+1.98.0-beta.1" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "e212228e3d22438af91d5df83bdfe3a26c88f2276e116871a40ca017fabf6e27", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "exec" "-e" "SOURCE_DIR=/opt/rustwide/workdir" "-e" "CARGO_HOME=/opt/rustwide/cargo-home" "-e" "RUSTUP_HOME=/opt/rustwide/rustup-home" "-e" "CARGO_TARGET_DIR=/opt/rustwide/target" "-e" "CARGO_INCREMENTAL=0" "-e" "RUST_BACKTRACE=full" "-e" "RUSTFLAGS=--cap-lints=warn" "-e" "RUSTDOCFLAGS=--cap-lints=warn" "-w" "/opt/rustwide/workdir" "--user" "0:0" "e212228e3d22438af91d5df83bdfe3a26c88f2276e116871a40ca017fabf6e27" "/opt/rustwide/cargo-home/bin/cargo" "+1.98.0-beta.1" "build" "--frozen" "--message-format=json", kill_on_drop: false }`
[INFO] [stderr]    Compiling libc v0.2.144
[INFO] [stderr]    Compiling once_cell v1.17.1
[INFO] [stderr]    Compiling syn v1.0.109
[INFO] [stderr]    Compiling ring v0.16.20
[INFO] [stderr]    Compiling log v0.4.17
[INFO] [stderr]    Compiling memchr v2.5.0
[INFO] [stderr]    Compiling smallvec v1.10.0
[INFO] [stderr]    Compiling futures-core v0.3.28
[INFO] [stderr]    Compiling rustls v0.20.8
[INFO] [stderr]    Compiling syn v2.0.16
[INFO] [stderr]    Compiling futures-util v0.3.28
[INFO] [stderr]    Compiling futures-channel v0.3.28
[INFO] [stderr]    Compiling toml_datetime v0.6.1
[INFO] [stderr]    Compiling winnow v0.4.6
[INFO] [stderr]    Compiling regex-syntax v0.7.1
[INFO] [stderr]    Compiling memoffset v0.7.1
[INFO] [stderr]    Compiling tracing-core v0.1.31
[INFO] [stderr]    Compiling libloading v0.6.7
[INFO] [stderr]    Compiling base64 v0.21.0
[INFO] [stderr]    Compiling idna v0.2.3
[INFO] [stderr]    Compiling url v2.3.1
[INFO] [stderr]    Compiling ipnet v2.7.2
[INFO] [stderr]    Compiling os_str_bytes v6.5.0
[INFO] [stderr]    Compiling data-encoding v2.3.3
[INFO] [stderr]    Compiling rustls-pemfile v1.0.2
[INFO] [stderr]    Compiling clap_lex v0.2.4
[INFO] [stderr]    Compiling aho-corasick v1.0.1
[INFO] [stderr]    Compiling plain v0.2.3
[INFO] [stderr]    Compiling textwrap v0.16.0
[INFO] [stderr]    Compiling owo-colors v3.5.0
[INFO] [stderr]    Compiling similar v2.2.1
[INFO] [stderr]    Compiling getrandom v0.2.9
[INFO] [stderr]    Compiling parking_lot_core v0.9.7
[INFO] [stderr]    Compiling num_cpus v1.15.0
[INFO] [stderr]    Compiling socket2 v0.4.9
[INFO] [stderr]    Compiling signal-hook-registry v1.4.1
[INFO] [stderr]    Compiling mio v0.8.6
[INFO] [stderr]    Compiling parking_lot v0.12.1
[INFO] [stderr]    Compiling rand_core v0.6.4
[INFO] [stderr]    Compiling hostname v0.3.1
[INFO] [stderr]    Compiling atty v0.2.14
[INFO] [stderr]    Compiling socket2 v0.5.3
[INFO] [stderr]    Compiling resolv-conf v0.7.0
[INFO] [stderr]    Compiling errno v0.2.8
[INFO] [stderr]    Compiling rand_chacha v0.3.1
[INFO] [stderr]    Compiling nix v0.26.2
[INFO] [stderr]    Compiling regex v1.8.1
[INFO] [stderr]    Compiling toml_edit v0.19.8
[INFO] [stderr]    Compiling dns-lookup v2.0.2
[INFO] [stderr]    Compiling rand v0.8.5
[INFO] [stderr]    Compiling pcap v1.1.0
[INFO] [stderr]    Compiling webpki v0.22.0
[INFO] [stderr]    Compiling sct v0.7.0
[INFO] [stderr]    Compiling proc-macro-error v1.0.4
[INFO] [stderr]    Compiling proc-macro-crate v1.3.1
[INFO] [stderr]    Compiling webpki-roots v0.22.6
[INFO] [stderr]    Compiling scroll_derive v0.11.0
[INFO] [stderr]    Compiling enum-as-inner v0.5.1
[INFO] [stderr]    Compiling clap_derive v3.2.25
[INFO] [stderr]    Compiling scroll v0.11.0
[INFO] [stderr]    Compiling tokio-macros v2.1.0
[INFO] [stderr]    Compiling thiserror-impl v1.0.40
[INFO] [stderr]    Compiling tracing-attributes v0.1.24
[INFO] [stderr]    Compiling async-trait v0.1.68
[INFO] [stderr]    Compiling num_enum_derive v0.6.1
[INFO] [stderr]    Compiling goblin v0.6.1
[INFO] [stderr]    Compiling tokio v1.28.1
[INFO] [stderr]    Compiling num_enum v0.6.1
[INFO] [stderr]    Compiling tracing v0.1.37
[INFO] [stderr]    Compiling thiserror v1.0.40
[INFO] [stderr]    Compiling clap v3.2.25
[INFO] [stderr]    Compiling tokio-rustls v0.23.4
[INFO] [stderr]    Compiling trust-dns-proto v0.22.0
[INFO] [stderr]    Compiling trust-dns-resolver v0.22.0
[INFO] [stderr]    Compiling command-line-rust v0.1.0 (/opt/rustwide/workdir)
[INFO] [stdout] warning: unused variable: `config`
[INFO] [stdout]   --> src/readelf/mod.rs:23:9
[INFO] [stdout]    |
[INFO] [stdout] 23 |     let config = Config::default();
[INFO] [stdout]    |         ^^^^^^ help: if this is intentional, prefix it with an underscore: `_config`
[INFO] [stdout]    |
[INFO] [stdout]    = note: `#[warn(unused_variables)]` (part of `#[warn(unused)]`) on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `config`
[INFO] [stdout]   --> src/wc/mod.rs:23:9
[INFO] [stdout]    |
[INFO] [stdout] 23 |     let config = Config::default();
[INFO] [stdout]    |         ^^^^^^ help: if this is intentional, prefix it with an underscore: `_config`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `args`
[INFO] [stdout]  --> src/readelf/main.rs:4:9
[INFO] [stdout]   |
[INFO] [stdout] 4 |     let args = get_args();
[INFO] [stdout]   |         ^^^^ help: if this is intentional, prefix it with an underscore: `_args`
[INFO] [stdout]   |
[INFO] [stdout]   = note: `#[warn(unused_variables)]` (part of `#[warn(unused)]`) on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr]     Finished `dev` profile [unoptimized + debuginfo] target(s) in 42.76s
[INFO] running `Command { std: "docker" "inspect" "e212228e3d22438af91d5df83bdfe3a26c88f2276e116871a40ca017fabf6e27", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "exec" "-e" "SOURCE_DIR=/opt/rustwide/workdir" "-e" "CARGO_HOME=/opt/rustwide/cargo-home" "-e" "RUSTUP_HOME=/opt/rustwide/rustup-home" "-e" "CARGO_TARGET_DIR=/opt/rustwide/target" "-e" "CARGO_INCREMENTAL=0" "-e" "RUST_BACKTRACE=full" "-e" "RUSTFLAGS=--cap-lints=warn" "-e" "RUSTDOCFLAGS=--cap-lints=warn" "-w" "/opt/rustwide/workdir" "--user" "0:0" "e212228e3d22438af91d5df83bdfe3a26c88f2276e116871a40ca017fabf6e27" "/opt/rustwide/cargo-home/bin/cargo" "+1.98.0-beta.1" "test" "--frozen" "--no-run" "--message-format=json", kill_on_drop: false }`
[INFO] [stderr]    Compiling aho-corasick v1.0.1
[INFO] [stderr]    Compiling regex-syntax v0.7.1
[INFO] [stderr]    Compiling num-traits v0.2.15
[INFO] [stderr]    Compiling predicates-core v1.0.6
[INFO] [stderr]    Compiling either v1.8.1
[INFO] [stderr]    Compiling difflib v0.4.0
[INFO] [stderr]    Compiling termtree v0.4.1
[INFO] [stderr]    Compiling regex-automata v0.1.10
[INFO] [stderr]    Compiling anstyle v1.0.0
[INFO] [stderr]    Compiling wait-timeout v0.2.0
[INFO] [stderr]    Compiling itertools v0.10.5
[INFO] [stderr]    Compiling bstr v1.4.0
[INFO] [stderr]    Compiling predicates-tree v1.0.9
[INFO] [stderr]    Compiling float-cmp v0.9.0
[INFO] [stderr]    Compiling predicates v3.0.3
[INFO] [stderr]    Compiling regex v1.8.1
[INFO] [stderr]    Compiling assert_cmd v2.0.11
[INFO] [stderr]    Compiling predicates v2.1.5
[INFO] [stderr]    Compiling pcap v1.1.0
[INFO] [stderr]    Compiling command-line-rust v0.1.0 (/opt/rustwide/workdir)
[INFO] [stdout] warning: unused variable: `config`
[INFO] [stdout]   --> src/readelf/mod.rs:23:9
[INFO] [stdout]    |
[INFO] [stdout] 23 |     let config = Config::default();
[INFO] [stdout]    |         ^^^^^^ help: if this is intentional, prefix it with an underscore: `_config`
[INFO] [stdout]    |
[INFO] [stdout]    = note: `#[warn(unused_variables)]` (part of `#[warn(unused)]`) on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `config`
[INFO] [stdout]   --> src/readelf/mod.rs:23:9
[INFO] [stdout]    |
[INFO] [stdout] 23 |     let config = Config::default();
[INFO] [stdout]    |         ^^^^^^ help: if this is intentional, prefix it with an underscore: `_config`
[INFO] [stdout]    |
[INFO] [stdout]    = note: `#[warn(unused_variables)]` (part of `#[warn(unused)]`) on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `config`
[INFO] [stdout]   --> src/wc/mod.rs:23:9
[INFO] [stdout]    |
[INFO] [stdout] 23 |     let config = Config::default();
[INFO] [stdout]    |         ^^^^^^ help: if this is intentional, prefix it with an underscore: `_config`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `config`
[INFO] [stdout]   --> src/wc/mod.rs:23:9
[INFO] [stdout]    |
[INFO] [stdout] 23 |     let config = Config::default();
[INFO] [stdout]    |         ^^^^^^ help: if this is intentional, prefix it with an underscore: `_config`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `args`
[INFO] [stdout]  --> src/readelf/main.rs:4:9
[INFO] [stdout]   |
[INFO] [stdout] 4 |     let args = get_args();
[INFO] [stdout]   |         ^^^^ help: if this is intentional, prefix it with an underscore: `_args`
[INFO] [stdout]   |
[INFO] [stdout]   = note: `#[warn(unused_variables)]` (part of `#[warn(unused)]`) on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `args`
[INFO] [stdout]  --> src/readelf/main.rs:4:9
[INFO] [stdout]   |
[INFO] [stdout] 4 |     let args = get_args();
[INFO] [stdout]   |         ^^^^ help: if this is intentional, prefix it with an underscore: `_args`
[INFO] [stdout]   |
[INFO] [stdout]   = note: `#[warn(unused_variables)]` (part of `#[warn(unused)]`) on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr]     Finished `test` profile [unoptimized + debuginfo] target(s) in 15.07s
[INFO] running `Command { std: "docker" "inspect" "e212228e3d22438af91d5df83bdfe3a26c88f2276e116871a40ca017fabf6e27", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "exec" "-e" "SOURCE_DIR=/opt/rustwide/workdir" "-e" "CARGO_HOME=/opt/rustwide/cargo-home" "-e" "RUSTUP_HOME=/opt/rustwide/rustup-home" "-e" "CARGO_TARGET_DIR=/opt/rustwide/target" "-e" "CARGO_INCREMENTAL=0" "-e" "RUST_BACKTRACE=full" "-e" "RUSTFLAGS=--cap-lints=warn" "-e" "RUSTDOCFLAGS=--cap-lints=warn" "-w" "/opt/rustwide/workdir" "--user" "0:0" "e212228e3d22438af91d5df83bdfe3a26c88f2276e116871a40ca017fabf6e27" "/opt/rustwide/cargo-home/bin/cargo" "+1.98.0-beta.1" "test" "--frozen", kill_on_drop: false }`
[INFO] [stderr] warning: unused variable: `config`
[INFO] [stderr]   --> src/readelf/mod.rs:23:9
[INFO] [stderr]    |
[INFO] [stderr] 23 |     let config = Config::default();
[INFO] [stderr]    |         ^^^^^^ help: if this is intentional, prefix it with an underscore: `_config`
[INFO] [stderr]    |
[INFO] [stderr]    = note: `#[warn(unused_variables)]` (part of `#[warn(unused)]`) on by default
[INFO] [stderr] 
[INFO] [stderr] warning: unused variable: `config`
[INFO] [stderr]   --> src/wc/mod.rs:23:9
[INFO] [stderr]    |
[INFO] [stderr] 23 |     let config = Config::default();
[INFO] [stderr]    |         ^^^^^^ help: if this is intentional, prefix it with an underscore: `_config`
[INFO] [stderr] 
[INFO] [stderr] warning: `command-line-rust` (lib) generated 2 warnings (run `cargo fix --lib -p command-line-rust` to apply 2 suggestions)
[INFO] [stderr] warning: unused variable: `args`
[INFO] [stderr]  --> src/readelf/main.rs:4:9
[INFO] [stderr]   |
[INFO] [stderr] 4 |     let args = get_args();
[INFO] [stderr]   |         ^^^^ help: if this is intentional, prefix it with an underscore: `_args`
[INFO] [stderr]   |
[INFO] [stderr]   = note: `#[warn(unused_variables)]` (part of `#[warn(unused)]`) on by default
[INFO] [stderr] 
[INFO] [stderr] warning: `command-line-rust` (bin "readelf") generated 1 warning (run `cargo fix --bin "readelf" -p command-line-rust` to apply 1 suggestion)
[INFO] [stderr] warning: `command-line-rust` (lib test) generated 2 warnings (2 duplicates)
[INFO] [stderr] warning: `command-line-rust` (bin "readelf" test) generated 1 warning (1 duplicate)
[INFO] [stderr]     Finished `test` profile [unoptimized + debuginfo] target(s) in 0.21s
[INFO] [stderr]      Running unittests src/lib.rs (/opt/rustwide/target/debug/deps/command_line_rust-07a2a8efdcc574fb)
[INFO] [stdout] 
[INFO] [stdout] running 1 test
[INFO] [stdout] test head::test_parse_positive_int ... ok
[INFO] [stdout] 
[INFO] [stdout] test result: ok. 1 passed; 0 failed; 0 ignored; 0 measured; 0 filtered out; finished in 0.00s
[INFO] [stdout] 
[INFO] [stderr]      Running unittests src/cat/main.rs (/opt/rustwide/target/debug/deps/cat-0a441b0475365012)
[INFO] [stdout] 
[INFO] [stderr]      Running unittests src/diff/main.rs (/opt/rustwide/target/debug/deps/diff-873c6f479c6e12f6)
[INFO] [stdout] running 0 tests
[INFO] [stderr]      Running unittests src/echo/main.rs (/opt/rustwide/target/debug/deps/echo-a91a87eda4029315)
[INFO] [stdout] 
[INFO] [stderr]      Running unittests src/false/main.rs (/opt/rustwide/target/debug/deps/false-1cd1637cd9e35743)
[INFO] [stdout] test result: ok. 0 passed; 0 failed; 0 ignored; 0 measured; 0 filtered out; finished in 0.00s
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] running 0 tests
[INFO] [stdout] 
[INFO] [stdout] test result: ok. 0 passed; 0 failed; 0 ignored; 0 measured; 0 filtered out; finished in 0.00s
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] running 0 tests
[INFO] [stdout] 
[INFO] [stdout] test result: ok. 0 passed; 0 failed; 0 ignored; 0 measured; 0 filtered out; finished in 0.00s
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] running 0 tests
[INFO] [stdout] 
[INFO] [stdout] test result: ok. 0 passed; 0 failed; 0 ignored; 0 measured; 0 filtered out; finished in 0.00s
[INFO] [stdout] 
[INFO] [stderr]      Running unittests src/head/main.rs (/opt/rustwide/target/debug/deps/head-234f6bba5ebf3f9a)
[INFO] [stdout] 
[INFO] [stdout] running 0 tests
[INFO] [stdout] 
[INFO] [stdout] test result: ok. 0 passed; 0 failed; 0 ignored; 0 measured; 0 filtered out; finished in 0.00s
[INFO] [stdout] 
[INFO] [stderr]      Running unittests src/hello/main.rs (/opt/rustwide/target/debug/deps/hello-db5a39686d8caa84)
[INFO] [stdout] 
[INFO] [stdout] running 0 tests
[INFO] [stdout] 
[INFO] [stdout] test result: ok. 0 passed; 0 failed; 0 ignored; 0 measured; 0 filtered out; finished in 0.00s
[INFO] [stdout] 
[INFO] [stderr]      Running unittests src/host/main.rs (/opt/rustwide/target/debug/deps/host-df2402792e64d45d)
[INFO] [stdout] 
[INFO] [stdout] running 0 tests
[INFO] [stdout] 
[INFO] [stdout] test result: ok. 0 passed; 0 failed; 0 ignored; 0 measured; 0 filtered out; finished in 0.00s
[INFO] [stdout] 
[INFO] [stderr]      Running unittests src/ldd/main.rs (/opt/rustwide/target/debug/deps/ldd-1d59aeae2a144c3b)
[INFO] [stdout] 
[INFO] [stdout] running 0 tests
[INFO] [stdout] 
[INFO] [stdout] test result: ok. 0 passed; 0 failed; 0 ignored; 0 measured; 0 filtered out; finished in 0.00s
[INFO] [stdout] 
[INFO] [stderr]      Running unittests src/netcat/main.rs (/opt/rustwide/target/debug/deps/netcat-64924e75821bf3fd)
[INFO] [stdout] 
[INFO] [stdout] running 0 tests
[INFO] [stdout] 
[INFO] [stdout] test result: ok. 0 passed; 0 failed; 0 ignored; 0 measured; 0 filtered out; finished in 0.00s
[INFO] [stdout] 
[INFO] [stderr]      Running unittests src/readelf/main.rs (/opt/rustwide/target/debug/deps/readelf-281f9e301cd468f2)
[INFO] [stdout] 
[INFO] [stdout] running 0 tests
[INFO] [stdout] 
[INFO] [stdout] test result: ok. 0 passed; 0 failed; 0 ignored; 0 measured; 0 filtered out; finished in 0.00s
[INFO] [stdout] 
[INFO] [stderr]      Running unittests src/strace/main.rs (/opt/rustwide/target/debug/deps/strace-c53a4a59a009ae97)
[INFO] [stdout] 
[INFO] [stdout] running 0 tests
[INFO] [stdout] 
[INFO] [stdout] test result: ok. 0 passed; 0 failed; 0 ignored; 0 measured; 0 filtered out; finished in 0.00s
[INFO] [stdout] 
[INFO] [stderr]      Running unittests src/tcpdump/main.rs (/opt/rustwide/target/debug/deps/tcpdump-7d563a5e17cfb52f)
[INFO] [stdout] 
[INFO] [stdout] running 0 tests
[INFO] [stdout] 
[INFO] [stdout] test result: ok. 0 passed; 0 failed; 0 ignored; 0 measured; 0 filtered out; finished in 0.00s
[INFO] [stdout] 
[INFO] [stderr]      Running unittests src/tree/main.rs (/opt/rustwide/target/debug/deps/tree-7dd6abc85420d295)
[INFO] [stdout] 
[INFO] [stdout] running 0 tests
[INFO] [stdout] 
[INFO] [stdout] test result: ok. 0 passed; 0 failed; 0 ignored; 0 measured; 0 filtered out; finished in 0.00s
[INFO] [stdout] 
[INFO] [stderr]      Running unittests src/true/main.rs (/opt/rustwide/target/debug/deps/true-2e3188ae34ac0b4b)
[INFO] [stdout] 
[INFO] [stderr]      Running unittests src/wc/main.rs (/opt/rustwide/target/debug/deps/wc-6163c73c1c421d5e)
[INFO] [stdout] running 0 tests
[INFO] [stderr]      Running tests/lib.rs (/opt/rustwide/target/debug/deps/lib-9ee9e8b66a5c585d)
[INFO] [stdout] 
[INFO] [stdout] test result: ok. 0 passed; 0 failed; 0 ignored; 0 measured; 0 filtered out; finished in 0.00s
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] running 0 tests
[INFO] [stdout] 
[INFO] [stdout] test result: ok. 0 passed; 0 failed; 0 ignored; 0 measured; 0 filtered out; finished in 0.00s
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] running 111 tests
[INFO] [stdout] test cat::all ... FAILED
[INFO] [stdout] test cat::all_b ... FAILED
[INFO] [stdout] test cat::bustle ... FAILED
[INFO] [stdout] test cat::all_n ... FAILED
[INFO] [stdout] test cat::bustle_b ... FAILED
[INFO] [stdout] test cat::bustle_n ... FAILED
[INFO] [stdout] test cat::bustle_stdin ... FAILED
[INFO] [stdout] test cat::bustle_stdin_b ... FAILED
[INFO] [stdout] test cat::bustle_stdin_n ... FAILED
[INFO] [stdout] test cat::empty ... FAILED
[INFO] [stdout] test cat::empty_b ... FAILED
[INFO] [stdout] test cat::empty_n ... FAILED
[INFO] [stdout] test cat::fox ... FAILED
[INFO] [stdout] test cat::fox_b ... FAILED
[INFO] [stdout] test cat::fox_n ... FAILED
[INFO] [stdout] test cat::spiders ... FAILED
[INFO] [stdout] test cat::skips_bad_file ... FAILED
[INFO] [stdout] test cat::spiders_b ... FAILED
[INFO] [stdout] test echo::hello1_no_newline ... FAILED
[INFO] [stdout] test echo::dies_no_args ... FAILED
[INFO] [stdout] test echo::hello1 ... FAILED
[INFO] [stdout] test cat::usage ... FAILED
[INFO] [stdout] test echo::hello2_no_newline ... FAILED
[INFO] [stdout] test head::dies_bad_bytes ... ok
[INFO] [stdout] test cat::spiders_n ... FAILED
[INFO] [stdout] test echo::hello2 ... FAILED
[INFO] [stdout] test head::dies_bytes_and_lines ... ok
[INFO] [stdout] test head::dies_bad_lines ... ok
[INFO] [stdout] test head::empty_n4 ... FAILED
[INFO] [stdout] test head::multiple_files_n4 ... FAILED
[INFO] [stdout] test head::multiple_files_c2 ... FAILED
[INFO] [stdout] test head::one_c1_stdin ... FAILED
[INFO] [stdout] test head::empty ... FAILED
[INFO] [stdout] test head::empty_c4 ... FAILED
[INFO] [stdout] test head::empty_n2 ... FAILED
[INFO] [stdout] test head::one ... FAILED
[INFO] [stdout] test head::empty_c2 ... FAILED
[INFO] [stdout] test head::multiple_files_c1 ... FAILED
[INFO] [stdout] test head::multiple_files_c4 ... FAILED
[INFO] [stdout] test head::one_c2_stdin ... FAILED
[INFO] [stdout] test head::one_c2 ... FAILED
[INFO] [stdout] test head::multiple_files ... FAILED
[INFO] [stdout] test head::one_c1 ... FAILED
[INFO] [stdout] test head::one_n2 ... FAILED
[INFO] [stdout] test head::one_c4_stdin ... FAILED
[INFO] [stdout] test head::one_c4 ... FAILED
[INFO] [stdout] test head::skips_bad_file ... FAILED
[INFO] [stdout] test head::multiple_files_n2 ... FAILED
[INFO] [stdout] test head::one_stdin ... FAILED
[INFO] [stdout] test head::ten_c2_stdin ... FAILED
[INFO] [stdout] test head::one_n2_stdin ... FAILED
[INFO] [stdout] test head::ten_n2 ... FAILED
[INFO] [stdout] test head::ten_c4_stdin ... FAILED
[INFO] [stdout] test head::ten_n4 ... FAILED
[INFO] [stdout] test head::ten_n4_stdin ... FAILED
[INFO] [stdout] test head::three ... FAILED
[INFO] [stdout] test head::ten_n2_stdin ... FAILED
[INFO] [stdout] test head::ten_stdin ... FAILED
[INFO] [stdout] test head::ten ... FAILED
[INFO] [stdout] test head::three_c2 ... FAILED
[INFO] [stdout] test head::three_n4_stdin ... FAILED
[INFO] [stdout] test head::three_c4_stdin ... FAILED
[INFO] [stdout] test head::three_n2 ... FAILED
[INFO] [stdout] test head::three_c4 ... FAILED
[INFO] [stdout] test head::three_c2_stdin ... FAILED
[INFO] [stdout] test head::one_n4 ... FAILED
[INFO] [stdout] test head::ten_c2 ... FAILED
[INFO] [stdout] test hello::runs ... ok
[INFO] [stdout] test head::two ... FAILED
[INFO] [stdout] test head::two_c4_stdin ... FAILED
[INFO] [stdout] test head::two_n2 ... FAILED
[INFO] [stdout] test r#true::true_ok ... ok
[INFO] [stdout] test head::three_stdin ... FAILED
[INFO] [stdout] test head::ten_c4 ... FAILED
[INFO] [stdout] test wc::atlamal ... FAILED
[INFO] [stdout] test head::three_n2_stdin ... FAILED
[INFO] [stdout] test head::one_n4_stdin ... FAILED
[INFO] [stdout] test head::three_n4 ... FAILED
[INFO] [stdout] test wc::atlamal_bytes ... FAILED
[INFO] [stdout] test wc::atlamal_bytes_lines ... FAILED
[INFO] [stdout] test r#false::false_ok ... ok
[INFO] [stdout] test wc::atlamal_stdin ... FAILED
[INFO] [stdout] test head::two_n2_stdin ... FAILED
[INFO] [stdout] test wc::atlamal_lines ... FAILED
[INFO] [stdout] test head::two_c2_stdin ... FAILED
[INFO] [stdout] test head::two_c2 ... FAILED
[INFO] [stdout] test head::two_n4 ... FAILED
[INFO] [stdout] test wc::dies_chars_and_bytes ... FAILED
[INFO] [stdout] test wc::atlamal_words_bytes ... FAILED
[INFO] [stdout] test wc::fox_lines ... FAILED
[INFO] [stdout] test head::two_c4 ... FAILED
[INFO] [stdout] test wc::atlamal_words ... FAILED
[INFO] [stdout] test wc::fox_words_bytes ... FAILED
[INFO] [stdout] test wc::fox_bytes_lines ... FAILED
[INFO] [stdout] test wc::fox_bytes ... FAILED
[INFO] [stdout] test wc::fox_chars ... FAILED
[INFO] [stdout] test wc::empty ... FAILED
[INFO] [stdout] test wc::skips_bad_file ... FAILED
[INFO] [stdout] test wc::fox ... FAILED
[INFO] [stdout] test wc::atlamal_words_lines ... FAILED
[INFO] [stdout] test wc::fox_words ... FAILED
[INFO] [stdout] test head::two_stdin ... FAILED
[INFO] [stdout] test wc::test_all_bytes ... FAILED
[INFO] [stdout] test wc::test_all_words ... FAILED
[INFO] [stdout] test wc::test_all_bytes_lines ... FAILED
[INFO] [stdout] test wc::test_all_lines ... FAILED
[INFO] [stdout] test wc::test_all ... FAILED
[INFO] [stdout] test wc::fox_words_lines ... FAILED
[INFO] [stdout] test wc::test_all_words_bytes ... FAILED
[INFO] [stdout] test wc::test_all_words_lines ... FAILED
[INFO] [stdout] test head::two_n4_stdin ... FAILED
[INFO] [stdout] 
[INFO] [stdout] failures:
[INFO] [stdout] 
[INFO] [stdout] ---- cat::all stdout ----
[INFO] [stdout] Error: Os { code: 2, kind: NotFound, message: "No such file or directory" }
[INFO] [stdout] 
[INFO] [stdout] ---- cat::all_b stdout ----
[INFO] [stdout] Error: Os { code: 2, kind: NotFound, message: "No such file or directory" }
[INFO] [stdout] 
[INFO] [stdout] ---- cat::bustle stdout ----
[INFO] [stdout] Error: Os { code: 2, kind: NotFound, message: "No such file or directory" }
[INFO] [stdout] 
[INFO] [stdout] ---- cat::all_n stdout ----
[INFO] [stdout] Error: Os { code: 2, kind: NotFound, message: "No such file or directory" }
[INFO] [stdout] 
[INFO] [stdout] ---- cat::bustle_b stdout ----
[INFO] [stdout] Error: Os { code: 2, kind: NotFound, message: "No such file or directory" }
[INFO] [stdout] 
[INFO] [stdout] ---- cat::bustle_n stdout ----
[INFO] [stdout] Error: Os { code: 2, kind: NotFound, message: "No such file or directory" }
[INFO] [stdout] 
[INFO] [stdout] ---- cat::bustle_stdin stdout ----
[INFO] [stdout] Error: Os { code: 2, kind: NotFound, message: "No such file or directory" }
[INFO] [stdout] 
[INFO] [stdout] ---- cat::bustle_stdin_b stdout ----
[INFO] [stdout] Error: Os { code: 2, kind: NotFound, message: "No such file or directory" }
[INFO] [stdout] 
[INFO] [stdout] ---- cat::bustle_stdin_n stdout ----
[INFO] [stdout] Error: Os { code: 2, kind: NotFound, message: "No such file or directory" }
[INFO] [stdout] 
[INFO] [stdout] ---- cat::empty stdout ----
[INFO] [stdout] Error: Os { code: 2, kind: NotFound, message: "No such file or directory" }
[INFO] [stdout] 
[INFO] [stdout] ---- cat::empty_b stdout ----
[INFO] [stdout] Error: Os { code: 2, kind: NotFound, message: "No such file or directory" }
[INFO] [stdout] 
[INFO] [stdout] ---- cat::empty_n stdout ----
[INFO] [stdout] Error: Os { code: 2, kind: NotFound, message: "No such file or directory" }
[INFO] [stdout] 
[INFO] [stdout] ---- cat::fox stdout ----
[INFO] [stdout] Error: Os { code: 2, kind: NotFound, message: "No such file or directory" }
[INFO] [stdout] 
[INFO] [stdout] ---- cat::fox_b stdout ----
[INFO] [stdout] Error: Os { code: 2, kind: NotFound, message: "No such file or directory" }
[INFO] [stdout] 
[INFO] [stdout] ---- cat::fox_n stdout ----
[INFO] [stdout] Error: Os { code: 2, kind: NotFound, message: "No such file or directory" }
[INFO] [stdout] 
[INFO] [stdout] ---- cat::spiders stdout ----
[INFO] [stdout] Error: Os { code: 2, kind: NotFound, message: "No such file or directory" }
[INFO] [stdout] 
[INFO] [stdout] ---- cat::skips_bad_file stdout ----
[INFO] [stdout] Error: CargoError { cause: Some(NotFoundError { path: "/opt/rustwide/target/debug/catr" }) }
[INFO] [stdout] 
[INFO] [stdout] ---- cat::spiders_b stdout ----
[INFO] [stdout] Error: Os { code: 2, kind: NotFound, message: "No such file or directory" }
[INFO] [stdout] 
[INFO] [stdout] ---- echo::hello1_no_newline stdout ----
[INFO] [stdout] Error: Os { code: 2, kind: NotFound, message: "No such file or directory" }
[INFO] [stdout] 
[INFO] [stdout] ---- echo::dies_no_args stdout ----
[INFO] [stdout] Error: CargoError { cause: Some(NotFoundError { path: "/opt/rustwide/target/debug/echor" }) }
[INFO] [stdout] 
[INFO] [stdout] ---- echo::hello1 stdout ----
[INFO] [stdout] Error: Os { code: 2, kind: NotFound, message: "No such file or directory" }
[INFO] [stdout] 
[INFO] [stdout] ---- cat::usage stdout ----
[INFO] [stdout] Error: CargoError { cause: Some(NotFoundError { path: "/opt/rustwide/target/debug/catr" }) }
[INFO] [stdout] 
[INFO] [stdout] ---- echo::hello2_no_newline stdout ----
[INFO] [stdout] Error: Os { code: 2, kind: NotFound, message: "No such file or directory" }
[INFO] [stdout] 
[INFO] [stdout] ---- cat::spiders_n stdout ----
[INFO] [stdout] Error: Os { code: 2, kind: NotFound, message: "No such file or directory" }
[INFO] [stdout] 
[INFO] [stdout] ---- echo::hello2 stdout ----
[INFO] [stdout] Error: Os { code: 2, kind: NotFound, message: "No such file or directory" }
[INFO] [stdout] 
[INFO] [stdout] ---- head::empty_n4 stdout ----
[INFO] [stdout] 
[INFO] [stdout] thread 'head::empty_n4' (3141) panicked at /rustc/6b3fa26749ab40e159b2dd5cf577acaaf5902772/library/core/src/ops/function.rs:250:5:
[INFO] [stdout] Unexpected failure.
[INFO] [stdout] code-101
[INFO] [stdout] stderr=```<90 lines total>
[INFO] [stdout] ```
[INFO] [stdout] 
[INFO] [stdout] thread \'main\' (3159) panicked at /opt/rustwide/cargo-home/registry/src/index.crates.io-1949cf8c6b5b557f/clap-3.2.25/src/parser/matches/arg_matches.rs:547:22:
[INFO] [stdout] Must use `Arg::allow_invalid_utf8` with `_os` lookups at `files`
[INFO] [stdout] stack backtrace:
[INFO] [stdout]    0:     0x5856ac464601 - std[73adb7dc35730857]::backtrace_rs::backtrace::libunwind::trace
[INFO] [stdout]                                at /rustc/6b3fa26749ab40e159b2dd5cf577acaaf5902772/library/std/src/../../backtrace/src/backtrace/libunwind.rs:117:9
[INFO] [stdout]    1:     0x5856ac464601 - std[73adb7dc35730857]::backtrace_rs::backtrace::trace_unsynchronized::<std[73adb7dc35730857]::sys::backtrace::_print_fmt::{closure#1}>
[INFO] [stdout]                                at /rustc/6b3fa26749ab40e159b2dd5cf577acaaf5902772/library/std/src/../../backtrace/src/backtrace/mod.rs:66:14
[INFO] [stdout]    2:     0x5856ac464601 - std[73adb7dc35730857]::sys::backtrace::_print_fmt
[INFO] [stdout]                                at /rustc/6b3fa26749ab40e159b2dd5cf577acaaf5902772/library/std/src/sys/backtrace.rs:74:9
[INFO] [stdout]    3:     0x5856ac464601 - <<std[73adb7dc35730857]::sys::backtrace::BacktraceLock>::print::DisplayBacktrace as core[6883ba1bc0fe4ed1]::fmt::Display>::fmt
[INFO] [stdout]                                at /rustc/6b3fa26749ab40e159b2dd5cf577acaaf5902772/library/std/src/sys/backtrace.rs:44:26
[INFO] [stdout]    4:     0x5856ac47828a - <core[6883ba1bc0fe4ed1]::fmt::rt::Argument>::fmt
[INFO] [stdout]                                at /rustc/6b3fa26749ab40e159b2dd5cf577acaaf5902772/library/core/src/fmt/rt.rs:152:76
[INFO] [stdout]    5:     0x5856ac47828a - core[6883ba1bc0fe4ed1]::fmt::write
[INFO] [stdout]    6:     0x5856ac469cec - std[73adb7dc35730857]::io::default_write_fmt::<std[73adb7dc35730857]::sys::stdio::unix::Stderr>
[INFO] [stdout]                                at /rustc/6b3fa26749ab40e159b2dd5cf577acaaf5902772/library/std/src/io/mod.rs:626:11
[INFO] [stdout]    7:     0x5856ac469cec - <std[73adb7dc35730857]::sys::stdio::unix::Stderr as std[73adb7dc35730857]::io::Write>::write_fmt
[INFO] [stdout]                                at /rustc/6b3fa26749ab40e159b2dd5cf577acaaf5902772/library/std/src/io/mod.rs:1730:13
[INFO] [stdout]    8:     0x5856ac44ee16 - <std[73adb7dc35730857]::sys::backtrace::BacktraceLock>::print
[INFO] [stdout] ```
[INFO] [stdout] <30 lines omitted>
[INFO] [stdout] ```
[INFO] [stdout]                                at /rustc/6b3fa26749ab40e159b2dd5cf577acaaf5902772/library/alloc/src/vec/mod.rs:3941:9
[INFO] [stdout]   24:     0x5856ac2fe08e - <core[6883ba1bc0fe4ed1]::iter::adapters::map::Map<core[6883ba1bc0fe4ed1]::iter::adapters::flatten::Flatten<core[6883ba1bc0fe4ed1]::slice::iter::Iter<alloc[55a36b64bcbf2c0d]::vec::Vec<clap[965b0170b9d3cf34]::parser::matches::any_value::AnyValue>>>, <clap[965b0170b9d3cf34]::parser::matches::arg_matches::ArgMatches>::values_of_lossy<&str>::{closure#0}> as core[6883ba1bc0fe4ed1]::iter::traits::iterator::Iterator>::collect::<alloc[55a36b64bcbf2c0d]::vec::Vec<alloc[55a36b64bcbf2c0d]::string::String>>
[INFO] [stdout]                                at /rustc/6b3fa26749ab40e159b2dd5cf577acaaf5902772/library/core/src/iter/traits/iterator.rs:2090:9
[INFO] [stdout]   25:     0x5856ac2f8166 - <clap[965b0170b9d3cf34]::parser::matches::arg_matches::ArgMatches>::values_of_lossy::<&str>
[INFO] [stdout]                                at /opt/rustwide/cargo-home/registry/src/index.crates.io-1949cf8c6b5b557f/clap-3.2.25/src/parser/matches/arg_matches.rs:548:14
[INFO] [stdout]   26:     0x5856ac30218b - command_line_rust[2a7d65b3375657d0]::head::get_args
[INFO] [stdout]                                at /opt/rustwide/workdir/src/head/mod.rs:92:24
[INFO] [stdout]   27:     0x5856ac2f7ad2 - head[5f62c2f9cff836a0]::main
[INFO] [stdout]                                at /opt/rustwide/workdir/src/head/main.rs:4:21
[INFO] [stdout]   28:     0x5856ac2f7beb - <fn() as core[6883ba1bc0fe4ed1]::ops::function::FnOnce<()>>::call_once
[INFO] [stdout]                                at /rustc/6b3fa26749ab40e159b2dd5cf577acaaf5902772/library/core/src/ops/function.rs:250:5
[INFO] [stdout]   29:     0x5856ac2f7a5e - std[73adb7dc35730857]::sys::backtrace::__rust_begin_short_backtrace::<fn(), ()>
[INFO] [stdout]                                at /rustc/6b3fa26749ab40e159b2dd5cf577acaaf5902772/library/std/src/sys/backtrace.rs:166:18
[INFO] [stdout]   30:     0x5856ac2f7a81 - std[73adb7dc35730857]::rt::lang_start::<()>::{closure#0}
[INFO] [stdout]                                at /rustc/6b3fa26749ab40e159b2dd5cf577acaaf5902772/library/std/src/rt.rs:206:18
[INFO] [stdout]   31:     0x5856ac45f547 - <&dyn core[6883ba1bc0fe4ed1]::ops::function::Fn<(), Output = i32> + core[6883ba1bc0fe4ed1]::panic::unwind_safe::RefUnwindSafe + core[6883ba1bc0fe4ed1]::marker::Sync as core[6883ba1bc0fe4ed1]::ops::function::FnOnce<()>>::call_once
[INFO] [stdout]                                at /rustc/6b3fa26749ab40e159b2dd5cf577acaaf5902772/library/core/src/ops/function.rs:287:21
[INFO] [stdout]   32:     0x5856ac45f547 - std[73adb7dc35730857]::panicking::catch_unwind::do_call::<&dyn core[6883ba1bc0fe4ed1]::ops::function::Fn<(), Output = i32> + core[6883ba1bc0fe4ed1]::panic::unwind_safe::RefUnwindSafe + core[6883ba1bc0fe4ed1]::marker::Sync, i32>
[INFO] [stdout]                                at /rustc/6b3fa26749ab40e159b2dd5cf577acaaf5902772/library/std/src/panicking.rs:576:43
[INFO] [stdout]   33:     0x5856ac45f547 - std[73adb7dc35730857]::panicking::catch_unwind::<i32, &dyn core[6883ba1bc0fe4ed1]::ops::function::Fn<(), Output = i32> + core[6883ba1bc0fe4ed1]::panic::unwind_safe::RefUnwindSafe + core[6883ba1bc0fe4ed1]::marker::Sync>
[INFO] [stdout]                                at /rustc/6b3fa26749ab40e159b2dd5cf577acaaf5902772/library/std/src/panicking.rs:544:19
[INFO] [stdout]   34:     0x5856ac45f547 - std[73adb7dc35730857]::panic::catch_unwind::<&dyn core[6883ba1bc0fe4ed1]::ops::function::Fn<(), Output = i32> + core[6883ba1bc0fe4ed1]::panic::unwind_safe::RefUnwindSafe + core[6883ba1bc0fe4ed1]::marker::Sync, i32>
[INFO] [stdout]                                at /rustc/6b3fa26749ab40e159b2dd5cf577acaaf5902772/library/std/src/panic.rs:359:14
[INFO] [stdout]   35:     0x5856ac45f547 - std[73adb7dc35730857]::rt::lang_start_internal::{closure#0}
[INFO] [stdout]                                at /rustc/6b3fa26749ab40e159b2dd5cf577acaaf5902772/library/std/src/rt.rs:175:24
[INFO] [stdout]   36:     0x5856ac45f547 - std[73adb7dc35730857]::panicking::catch_unwind::do_call::<std[73adb7dc35730857]::rt::lang_start_internal::{closure#0}, isize>
[INFO] [stdout]                                at /rustc/6b3fa26749ab40e159b2dd5cf577acaaf5902772/library/std/src/panicking.rs:576:43
[INFO] [stdout]   37:     0x5856ac45f547 - std[73adb7dc35730857]::panicking::catch_unwind::<isize, std[73adb7dc35730857]::rt::lang_start_internal::{closure#0}>
[INFO] [stdout]                                at /rustc/6b3fa26749ab40e159b2dd5cf577acaaf5902772/library/std/src/panicking.rs:544:19
[INFO] [stdout]   38:     0x5856ac45f547 - std[73adb7dc35730857]::panic::catch_unwind::<std[73adb7dc35730857]::rt::lang_start_internal::{closure#0}, isize>
[INFO] [stdout]                                at /rustc/6b3fa26749ab40e159b2dd5cf577acaaf5902772/library/std/src/panic.rs:359:14
[INFO] [stdout]   39:     0x5856ac45f547 - std[73adb7dc35730857]::rt::lang_start_internal
[INFO] [stdout]                                at /rustc/6b3fa26749ab40e159b2dd5cf577acaaf5902772/library/std/src/rt.rs:171:5
[INFO] [stdout]   40:     0x5856ac2f7a47 - std[73adb7dc35730857]::rt::lang_start::<()>
[INFO] [stdout]                                at /rustc/6b3fa26749ab40e159b2dd5cf577acaaf5902772/library/std/src/rt.rs:205:5
[INFO] [stdout]   41:     0x5856ac2f7c7e - main
[INFO] [stdout]   42:     0x7e9ba12f81ca - <unknown>
[INFO] [stdout]   43:     0x7e9ba12f828b - __libc_start_main
[INFO] [stdout]   44:     0x5856ac2f78a5 - _start
[INFO] [stdout]   45:                0x0 - <unknown>
[INFO] [stdout] ```
[INFO] [stdout] ```
[INFO] [stdout] command=`"/opt/rustwide/target/debug/head" "tests/head/inputs/empty.txt" "-n" "4"`
[INFO] [stdout] code=101
[INFO] [stdout] stdout=""
[INFO] [stdout] stderr=<90 lines total>
[INFO] [stdout] ```
[INFO] [stdout] 
[INFO] [stdout] thread \'main\' (3159) panicked at /opt/rustwide/cargo-home/registry/src/index.crates.io-1949cf8c6b5b557f/clap-3.2.25/src/parser/matches/arg_matches.rs:547:22:
[INFO] [stdout] Must use `Arg::allow_invalid_utf8` with `_os` lookups at `files`
[INFO] [stdout] stack backtrace:
[INFO] [stdout]    0:     0x5856ac464601 - std[73adb7dc35730857]::backtrace_rs::backtrace::libunwind::trace
[INFO] [stdout]                                at /rustc/6b3fa26749ab40e159b2dd5cf577acaaf5902772/library/std/src/../../backtrace/src/backtrace/libunwind.rs:117:9
[INFO] [stdout]    1:     0x5856ac464601 - std[73adb7dc35730857]::backtrace_rs::backtrace::trace_unsynchronized::<std[73adb7dc35730857]::sys::backtrace::_print_fmt::{closure#1}>
[INFO] [stdout]                                at /rustc/6b3fa26749ab40e159b2dd5cf577acaaf5902772/library/std/src/../../backtrace/src/backtrace/mod.rs:66:14
[INFO] [stdout]    2:     0x5856ac464601 - std[73adb7dc35730857]::sys::backtrace::_print_fmt
[INFO] [stdout]                                at /rustc/6b3fa26749ab40e159b2dd5cf577acaaf5902772/library/std/src/sys/backtrace.rs:74:9
[INFO] [stdout]    3:     0x5856ac464601 - <<std[73adb7dc35730857]::sys::backtrace::BacktraceLock>::print::DisplayBacktrace as core[6883ba1bc0fe4ed1]::fmt::Display>::fmt
[INFO] [stdout]                                at /rustc/6b3fa26749ab40e159b2dd5cf577acaaf5902772/library/std/src/sys/backtrace.rs:44:26
[INFO] [stdout]    4:     0x5856ac47828a - <core[6883ba1bc0fe4ed1]::fmt::rt::Argument>::fmt
[INFO] [stdout]                                at /rustc/6b3fa26749ab40e159b2dd5cf577acaaf5902772/library/core/src/fmt/rt.rs:152:76
[INFO] [stdout]    5:     0x5856ac47828a - core[6883ba1bc0fe4ed1]::fmt::write
[INFO] [stdout]    6:     0x5856ac469cec - std[73adb7dc35730857]::io::default_write_fmt::<std[73adb7dc35730857]::sys::stdio::unix::Stderr>
[INFO] [stdout]                                at /rustc/6b3fa26749ab40e159b2dd5cf577acaaf5902772/library/std/src/io/mod.rs:626:11
[INFO] [stdout]    7:     0x5856ac469cec - <std[73adb7dc35730857]::sys::stdio::unix::Stderr as std[73adb7dc35730857]::io::Write>::write_fmt
[INFO] [stdout]                                at /rustc/6b3fa26749ab40e159b2dd5cf577acaaf5902772/library/std/src/io/mod.rs:1730:13
[INFO] [stdout]    8:     0x5856ac44ee16 - <std[73adb7dc35730857]::sys::backtrace::BacktraceLock>::print
[INFO] [stdout] ```
[INFO] [stdout] <30 lines omitted>
[INFO] [stdout] ```
[INFO] [stdout]                                at /rustc/6b3fa26749ab40e159b2dd5cf577acaaf5902772/library/alloc/src/vec/mod.rs:3941:9
[INFO] [stdout]   24:     0x5856ac2fe08e - <core[6883ba1bc0fe4ed1]::iter::adapters::map::Map<core[6883ba1bc0fe4ed1]::iter::adapters::flatten::Flatten<core[6883ba1bc0fe4ed1]::slice::iter::Iter<alloc[55a36b64bcbf2c0d]::vec::Vec<clap[965b0170b9d3cf34]::parser::matches::any_value::AnyValue>>>, <clap[965b0170b9d3cf34]::parser::matches::arg_matches::ArgMatches>::values_of_lossy<&str>::{closure#0}> as core[6883ba1bc0fe4ed1]::iter::traits::iterator::Iterator>::collect::<alloc[55a36b64bcbf2c0d]::vec::Vec<alloc[55a36b64bcbf2c0d]::string::String>>
[INFO] [stdout]                                at /rustc/6b3fa26749ab40e159b2dd5cf577acaaf5902772/library/core/src/iter/traits/iterator.rs:2090:9
[INFO] [stdout]   25:     0x5856ac2f8166 - <clap[965b0170b9d3cf34]::parser::matches::arg_matches::ArgMatches>::values_of_lossy::<&str>
[INFO] [stdout]                                at /opt/rustwide/cargo-home/registry/src/index.crates.io-1949cf8c6b5b557f/clap-3.2.25/src/parser/matches/arg_matches.rs:548:14
[INFO] [stdout]   26:     0x5856ac30218b - command_line_rust[2a7d65b3375657d0]::head::get_args
[INFO] [stdout]                                at /opt/rustwide/workdir/src/head/mod.rs:92:24
[INFO] [stdout]   27:     0x5856ac2f7ad2 - head[5f62c2f9cff836a0]::main
[INFO] [stdout]                                at /opt/rustwide/workdir/src/head/main.rs:4:21
[INFO] [stdout]   28:     0x5856ac2f7beb - <fn() as core[6883ba1bc0fe4ed1]::ops::function::FnOnce<()>>::call_once
[INFO] [stdout]                                at /rustc/6b3fa26749ab40e159b2dd5cf577acaaf5902772/library/core/src/ops/function.rs:250:5
[INFO] [stdout]   29:     0x5856ac2f7a5e - std[73adb7dc35730857]::sys::backtrace::__rust_begin_short_backtrace::<fn(), ()>
[INFO] [stdout]                                at /rustc/6b3fa26749ab40e159b2dd5cf577acaaf5902772/library/std/src/sys/backtrace.rs:166:18
[INFO] [stdout]   30:     0x5856ac2f7a81 - std[73adb7dc35730857]::rt::lang_start::<()>::{closure#0}
[INFO] [stdout]                                at /rustc/6b3fa26749ab40e159b2dd5cf577acaaf5902772/library/std/src/rt.rs:206:18
[INFO] [stdout]   31:     0x5856ac45f547 - <&dyn core[6883ba1bc0fe4ed1]::ops::function::Fn<(), Output = i32> + core[6883ba1bc0fe4ed1]::panic::unwind_safe::RefUnwindSafe + core[6883ba1bc0fe4ed1]::marker::Sync as core[6883ba1bc0fe4ed1]::ops::function::FnOnce<()>>::call_once
[INFO] [stdout]                                at /rustc/6b3fa26749ab40e159b2dd5cf577acaaf5902772/library/core/src/ops/function.rs:287:21
[INFO] [stdout]   32:     0x5856ac45f547 - std[73adb7dc35730857]::panicking::catch_unwind::do_call::<&dyn core[6883ba1bc0fe4ed1]::ops::function::Fn<(), Output = i32> + core[6883ba1bc0fe4ed1]::panic::unwind_safe::RefUnwindSafe + core[6883ba1bc0fe4ed1]::marker::Sync, i32>
[INFO] [stdout]                                at /rustc/6b3fa26749ab40e159b2dd5cf577acaaf5902772/library/std/src/panicking.rs:576:43
[INFO] [stdout]   33:     0x5856ac45f547 - std[73adb7dc35730857]::panicking::catch_unwind::<i32, &dyn core[6883ba1bc0fe4ed1]::ops::function::Fn<(), Output = i32> + core[6883ba1bc0fe4ed1]::panic::unwind_safe::RefUnwindSafe + core[6883ba1bc0fe4ed1]::marker::Sync>
[INFO] [stdout]                                at /rustc/6b3fa26749ab40e159b2dd5cf577acaaf5902772/library/std/src/panicking.rs:544:19
[INFO] [stdout]   34:     0x5856ac45f547 - std[73adb7dc35730857]::panic::catch_unwind::<&dyn core[6883ba1bc0fe4ed1]::ops::function::Fn<(), Output = i32> + core[6883ba1bc0fe4ed1]::panic::unwind_safe::RefUnwindSafe + core[6883ba1bc0fe4ed1]::marker::Sync, i32>
[INFO] [stdout]                                at /rustc/6b3fa26749ab40e159b2dd5cf577acaaf5902772/library/std/src/panic.rs:359:14
[INFO] [stdout]   35:     0x5856ac45f547 - std[73adb7dc35730857]::rt::lang_start_internal::{closure#0}
[INFO] [stdout]                                at /rustc/6b3fa26749ab40e159b2dd5cf577acaaf5902772/library/std/src/rt.rs:175:24
[INFO] [stdout]   36:     0x5856ac45f547 - std[73adb7dc35730857]::panicking::catch_unwind::do_call::<std[73adb7dc35730857]::rt::lang_start_internal::{closure#0}, isize>
[INFO] [stdout]                                at /rustc/6b3fa26749ab40e159b2dd5cf577acaaf5902772/library/std/src/panicking.rs:576:43
[INFO] [stdout]   37:     0x5856ac45f547 - std[73adb7dc35730857]::panicking::catch_unwind::<isize, std[73adb7dc35730857]::rt::lang_start_internal::{closure#0}>
[INFO] [stdout]                                at /rustc/6b3fa26749ab40e159b2dd5cf577acaaf5902772/library/std/src/panicking.rs:544:19
[INFO] [stdout]   38:     0x5856ac45f547 - std[73adb7dc35730857]::panic::catch_unwind::<std[73adb7dc35730857]::rt::lang_start_internal::{closure#0}, isize>
[INFO] [stdout]                                at /rustc/6b3fa26749ab40e159b2dd5cf577acaaf5902772/library/std/src/panic.rs:359:14
[INFO] [stdout]   39:     0x5856ac45f547 - std[73adb7dc35730857]::rt::lang_start_internal
[INFO] [stdout]                                at /rustc/6b3fa26749ab40e159b2dd5cf577acaaf5902772/library/std/src/rt.rs:171:5
[INFO] [stdout]   40:     0x5856ac2f7a47 - std[73adb7dc35730857]::rt::lang_start::<()>
[INFO] [stdout]                                at /rustc/6b3fa26749ab40e159b2dd5cf577acaaf5902772/library/std/src/rt.rs:205:5
[INFO] [stdout]   41:     0x5856ac2f7c7e - main
[INFO] [stdout]   42:     0x7e9ba12f81ca - <unknown>
[INFO] [stdout]   43:     0x7e9ba12f828b - __libc_start_main
[INFO] [stdout]   44:     0x5856ac2f78a5 - _start
[INFO] [stdout]   45:                0x0 - <unknown>
[INFO] [stdout] ```
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] stack backtrace:
[INFO] [stdout]    0:     0x5c98fa0d5011 - std[73adb7dc35730857]::backtrace_rs::backtrace::libunwind::trace
[INFO] [stdout]                                at /rustc/6b3fa26749ab40e159b2dd5cf577acaaf5902772/library/std/src/../../backtrace/src/backtrace/libunwind.rs:117:9
[INFO] [stdout]    1:     0x5c98fa0d5011 - std[73adb7dc35730857]::backtrace_rs::backtrace::trace_unsynchronized::<std[73adb7dc35730857]::sys::backtrace::_print_fmt::{closure#1}>
[INFO] [stdout]                                at /rustc/6b3fa26749ab40e159b2dd5cf577acaaf5902772/library/std/src/../../backtrace/src/backtrace/mod.rs:66:14
[INFO] [stdout]    2:     0x5c98fa0d5011 - std[73adb7dc35730857]::sys::backtrace::_print_fmt
[INFO] [stdout]                                at /rustc/6b3fa26749ab40e159b2dd5cf577acaaf5902772/library/std/src/sys/backtrace.rs:74:9
[INFO] [stdout]    3:     0x5c98fa0d5011 - <<std[73adb7dc35730857]::sys::backtrace::BacktraceLock>::print::DisplayBacktrace as core[6883ba1bc0fe4ed1]::fmt::Display>::fmt
[INFO] [stdout]                                at /rustc/6b3fa26749ab40e159b2dd5cf577acaaf5902772/library/std/src/sys/backtrace.rs:44:26
[INFO] [stdout]    4:     0x5c98fa0eb71a - <core[6883ba1bc0fe4ed1]::fmt::rt::Argument>::fmt
[INFO] [stdout]                                at /rustc/6b3fa26749ab40e159b2dd5cf577acaaf5902772/library/core/src/fmt/rt.rs:152:76
[INFO] [stdout]    5:     0x5c98fa0eb71a - core[6883ba1bc0fe4ed1]::fmt::write
[INFO] [stdout]    6:     0x5c98fa0da99c - std[73adb7dc35730857]::io::default_write_fmt::<alloc[55a36b64bcbf2c0d]::vec::Vec<u8>>
[INFO] [stdout]                                at /rustc/6b3fa26749ab40e159b2dd5cf577acaaf5902772/library/std/src/io/mod.rs:626:11
[INFO] [stdout]    7:     0x5c98fa0da99c - <alloc[55a36b64bcbf2c0d]::vec::Vec<u8> as std[73adb7dc35730857]::io::Write>::write_fmt
[INFO] [stdout]                                at /rustc/6b3fa26749ab40e159b2dd5cf577acaaf5902772/library/std/src/io/mod.rs:1730:13
[INFO] [stdout]    8:     0x5c98fa0b2986 - <std[73adb7dc35730857]::sys::backtrace::BacktraceLock>::print
[INFO] [stdout]                                at /rustc/6b3fa26749ab40e159b2dd5cf577acaaf5902772/library/std/src/sys/backtrace.rs:47:9
[INFO] [stdout]    9:     0x5c98fa0b2986 - std[73adb7dc35730857]::panicking::default_hook::{closure#0}
[INFO] [stdout]                                at /rustc/6b3fa26749ab40e159b2dd5cf577acaaf5902772/library/std/src/panicking.rs:292:27
[INFO] [stdout]   10:     0x5c98fa0ccd09 - std[73adb7dc35730857]::panicking::default_hook
[INFO] [stdout]                                at /rustc/6b3fa26749ab40e159b2dd5cf577acaaf5902772/library/std/src/panicking.rs:316:9
[INFO] [stdout]   11:     0x5c98f9e5fc40 - <alloc[55a36b64bcbf2c0d]::boxed::Box<dyn for<'a, 'b> core[6883ba1bc0fe4ed1]::ops::function::Fn<(&'a std[73adb7dc35730857]::panic::PanicHookInfo<'b>,), Output = ()> + core[6883ba1bc0fe4ed1]::marker::Send + core[6883ba1bc0fe4ed1]::marker::Sync> as core[6883ba1bc0fe4ed1]::ops::function::Fn<(&std[73adb7dc35730857]::panic::PanicHookInfo,)>>::call
[INFO] [stdout]                                at /rustc/6b3fa26749ab40e159b2dd5cf577acaaf5902772/library/alloc/src/boxed.rs:2333:9
[INFO] [stdout]   12:     0x5c98f9e5fc40 - test[980ffaebd391d06d]::test_main_inner::<test[980ffaebd391d06d]::test_main_static::{closure#0}>::{closure#0}
[INFO] [stdout]                                at /rustc/6b3fa26749ab40e159b2dd5cf577acaaf5902772/library/test/src/lib.rs:155:21
[INFO] [stdout]   13:     0x5c98fa0ccec2 - <alloc[55a36b64bcbf2c0d]::boxed::Box<dyn for<'a, 'b> core[6883ba1bc0fe4ed1]::ops::function::Fn<(&'a std[73adb7dc35730857]::panic::PanicHookInfo<'b>,), Output = ()> + core[6883ba1bc0fe4ed1]::marker::Send + core[6883ba1bc0fe4ed1]::marker::Sync> as core[6883ba1bc0fe4ed1]::ops::function::Fn<(&std[73adb7dc35730857]::panic::PanicHookInfo,)>>::call
[INFO] [stdout]                                at /rustc/6b3fa26749ab40e159b2dd5cf577acaaf5902772/library/alloc/src/boxed.rs:2333:9
[INFO] [stdout]   14:     0x5c98fa0ccec2 - std[73adb7dc35730857]::panicking::panic_with_hook
[INFO] [stdout]                                at /rustc/6b3fa26749ab40e159b2dd5cf577acaaf5902772/library/std/src/panicking.rs:823:13
[INFO] [stdout]   15:     0x5c98fa0b2a32 - std[73adb7dc35730857]::panicking::panic_handler::{closure#0}
[INFO] [stdout]                                at /rustc/6b3fa26749ab40e159b2dd5cf577acaaf5902772/library/std/src/panicking.rs:688:13
[INFO] [stdout]   16:     0x5c98fa0aa1d9 - std[73adb7dc35730857]::sys::backtrace::__rust_end_short_backtrace::<std[73adb7dc35730857]::panicking::panic_handler::{closure#0}, !>
[INFO] [stdout]                                at /rustc/6b3fa26749ab40e159b2dd5cf577acaaf5902772/library/std/src/sys/backtrace.rs:182:18
[INFO] [stdout]   17:     0x5c98fa0b362d - __rustc[a7b7b02e776dd976]::rust_begin_unwind
[INFO] [stdout]                                at /rustc/6b3fa26749ab40e159b2dd5cf577acaaf5902772/library/std/src/panicking.rs:679:5
[INFO] [stdout]   18:     0x5c98fa0ebf9c - core[6883ba1bc0fe4ed1]::panicking::panic_fmt
[INFO] [stdout]                                at /rustc/6b3fa26749ab40e159b2dd5cf577acaaf5902772/library/core/src/panicking.rs:80:14
[INFO] [stdout]   19:     0x5c98fa03b8b8 - core[6883ba1bc0fe4ed1]::panicking::panic_display::<assert_cmd[35418449b5f7a4b8]::assert::AssertError>
[INFO] [stdout]                                at /rustc/6b3fa26749ab40e159b2dd5cf577acaaf5902772/library/core/src/panicking.rs:259:5
[INFO] [stdout]   20:     0x5c98fa0426c7 - <assert_cmd[35418449b5f7a4b8]::assert::AssertError>::panic::<assert_cmd[35418449b5f7a4b8]::assert::Assert>
[INFO] [stdout]                                at /opt/rustwide/cargo-home/registry/src/index.crates.io-1949cf8c6b5b557f/assert_cmd-2.0.11/src/assert.rs:1033:9
[INFO] [stdout]   21:     0x5c98fa038947 - <<assert_cmd[35418449b5f7a4b8]::assert::AssertError>::panic<assert_cmd[35418449b5f7a4b8]::assert::Assert> as core[6883ba1bc0fe4ed1]::ops::function::FnOnce<(assert_cmd[35418449b5f7a4b8]::assert::AssertError,)>>::call_once
[INFO] [stdout]                                at /rustc/6b3fa26749ab40e159b2dd5cf577acaaf5902772/library/core/src/ops/function.rs:250:5
[INFO] [stdout]   22:     0x5c98fa041dfb - <core[6883ba1bc0fe4ed1]::result::Result<assert_cmd[35418449b5f7a4b8]::assert::Assert, assert_cmd[35418449b5f7a4b8]::assert::AssertError>>::unwrap_or_else::<<assert_cmd[35418449b5f7a4b8]::assert::AssertError>::panic<assert_cmd[35418449b5f7a4b8]::assert::Assert>>
[INFO] [stdout]                                at /rustc/6b3fa26749ab40e159b2dd5cf577acaaf5902772/library/core/src/result.rs:1620:23
[INFO] [stdout]   23:     0x5c98fa0442a0 - <assert_cmd[35418449b5f7a4b8]::assert::Assert>::success
[INFO] [stdout]                                at /opt/rustwide/cargo-home/registry/src/index.crates.io-1949cf8c6b5b557f/assert_cmd-2.0.11/src/assert.rs:158:28
[INFO] [stdout]   24:     0x5c98f9e4c073 - lib[ef69c164f1f8dd99]::head::run
[INFO] [stdout]                                at /opt/rustwide/workdir/tests/head/mod.rs:105:10
[INFO] [stdout]   25:     0x5c98f9e4e13e - lib[ef69c164f1f8dd99]::head::empty_n4
[INFO] [stdout]                                at /opt/rustwide/workdir/tests/head/mod.rs:144:5
[INFO] [stdout]   26:     0x5c98f9e47e47 - lib[ef69c164f1f8dd99]::head::empty_n4::{closure#0}
[INFO] [stdout]                                at /opt/rustwide/workdir/tests/head/mod.rs:143:18
[INFO] [stdout]   27:     0x5c98f9e52a96 - <lib[ef69c164f1f8dd99]::head::empty_n4::{closure#0} as core[6883ba1bc0fe4ed1]::ops::function::FnOnce<()>>::call_once
[INFO] [stdout]                                at /rustc/6b3fa26749ab40e159b2dd5cf577acaaf5902772/library/core/src/ops/function.rs:250:5
[INFO] [stdout]   28:     0x5c98f9e52f7b - <fn() -> core[6883ba1bc0fe4ed1]::result::Result<(), alloc[55a36b64bcbf2c0d]::string::String> as core[6883ba1bc0fe4ed1]::ops::function::FnOnce<()>>::call_once
[INFO] [stdout]                                at /rustc/6b3fa26749ab40e159b2dd5cf577acaaf5902772/library/core/src/ops/function.rs:250:5
[INFO] [stdout]   29:     0x5c98f9e52f7b - test[980ffaebd391d06d]::__rust_begin_short_backtrace::<core[6883ba1bc0fe4ed1]::result::Result<(), alloc[55a36b64bcbf2c0d]::string::String>, fn() -> core[6883ba1bc0fe4ed1]::result::Result<(), alloc[55a36b64bcbf2c0d]::string::String>>
[INFO] [stdout]                                at /rustc/6b3fa26749ab40e159b2dd5cf577acaaf5902772/library/test/src/lib.rs:724:18
[INFO] [stdout]   30:     0x5c98f9e605c5 - test[980ffaebd391d06d]::run_test_in_process::{closure#0}
[INFO] [stdout]                                at /rustc/6b3fa26749ab40e159b2dd5cf577acaaf5902772/library/test/src/lib.rs:747:74
[INFO] [stdout]   31:     0x5c98f9e605c5 - <core[6883ba1bc0fe4ed1]::panic::unwind_safe::AssertUnwindSafe<test[980ffaebd391d06d]::run_test_in_process::{closure#0}> as core[6883ba1bc0fe4ed1]::ops::function::FnOnce<()>>::call_once
[INFO] [stdout]                                at /rustc/6b3fa26749ab40e159b2dd5cf577acaaf5902772/library/core/src/panic/unwind_safe.rs:275:9
[INFO] [stdout]   32:     0x5c98f9e605c5 - std[73adb7dc35730857]::panicking::catch_unwind::do_call::<core[6883ba1bc0fe4ed1]::panic::unwind_safe::AssertUnwindSafe<test[980ffaebd391d06d]::run_test_in_process::{closure#0}>, core[6883ba1bc0fe4ed1]::result::Result<(), alloc[55a36b64bcbf2c0d]::string::String>>
[INFO] [stdout]                                at /rustc/6b3fa26749ab40e159b2dd5cf577acaaf5902772/library/std/src/panicking.rs:576:43
[INFO] [stdout]   33:     0x5c98f9e605c5 - std[73adb7dc35730857]::panicking::catch_unwind::<core[6883ba1bc0fe4ed1]::result::Result<(), alloc[55a36b64bcbf2c0d]::string::String>, core[6883ba1bc0fe4ed1]::panic::unwind_safe::AssertUnwindSafe<test[980ffaebd391d06d]::run_test_in_process::{closure#0}>>
[INFO] [stdout]                                at /rustc/6b3fa26749ab40e159b2dd5cf577acaaf5902772/library/std/src/panicking.rs:544:19
[INFO] [stdout]   34:     0x5c98f9e605c5 - std[73adb7dc35730857]::panic::catch_unwind::<core[6883ba1bc0fe4ed1]::panic::unwind_safe::AssertUnwindSafe<test[980ffaebd391d06d]::run_test_in_process::{closure#0}>, core[6883ba1bc0fe4ed1]::result::Result<(), alloc[55a36b64bcbf2c0d]::string::String>>
[INFO] [stdout]                                at /rustc/6b3fa26749ab40e159b2dd5cf577acaaf5902772/library/std/src/panic.rs:359:14
[INFO] [stdout]   35:     0x5c98f9e605c5 - test[980ffaebd391d06d]::run_test_in_process
[INFO] [stdout]                                at /rustc/6b3fa26749ab40e159b2dd5cf577acaaf5902772/library/test/src/lib.rs:747:27
[INFO] [stdout]   36:     0x5c98f9e605c5 - test[980ffaebd391d06d]::run_test::{closure#0}
[INFO] [stdout]                                at /rustc/6b3fa26749ab40e159b2dd5cf577acaaf5902772/library/test/src/lib.rs:668:43
[INFO] [stdout]   37:     0x5c98f9e5b074 - test[980ffaebd391d06d]::run_test::{closure#1}
[INFO] [stdout]                                at /rustc/6b3fa26749ab40e159b2dd5cf577acaaf5902772/library/test/src/lib.rs:698:41
[INFO] [stdout]   38:     0x5c98f9e5b074 - std[73adb7dc35730857]::sys::backtrace::__rust_begin_short_backtrace::<test[980ffaebd391d06d]::run_test::{closure#1}, ()>
[INFO] [stdout]                                at /rustc/6b3fa26749ab40e159b2dd5cf577acaaf5902772/library/std/src/sys/backtrace.rs:166:18
[INFO] [stdout]   39:     0x5c98f9e63712 - std[73adb7dc35730857]::thread::lifecycle::spawn_unchecked::<test[980ffaebd391d06d]::run_test::{closure#1}, ()>::{closure#1}::{closure#0}
[INFO] [stdout]                                at /rustc/6b3fa26749ab40e159b2dd5cf577acaaf5902772/library/std/src/thread/lifecycle.rs:70:13
[INFO] [stdout]   40:     0x5c98f9e63712 - <core[6883ba1bc0fe4ed1]::panic::unwind_safe::AssertUnwindSafe<std[73adb7dc35730857]::thread::lifecycle::spawn_unchecked<test[980ffaebd391d06d]::run_test::{closure#1}, ()>::{closure#1}::{closure#0}> as core[6883ba1bc0fe4ed1]::ops::function::FnOnce<()>>::call_once
[INFO] [stdout]                                at /rustc/6b3fa26749ab40e159b2dd5cf577acaaf5902772/library/core/src/panic/unwind_safe.rs:275:9
[INFO] [stdout]   41:     0x5c98f9e63712 - std[73adb7dc35730857]::panicking::catch_unwind::do_call::<core[6883ba1bc0fe4ed1]::panic::unwind_safe::AssertUnwindSafe<std[73adb7dc35730857]::thread::lifecycle::spawn_unchecked<test[980ffaebd391d06d]::run_test::{closure#1}, ()>::{closure#1}::{closure#0}>, ()>
[INFO] [stdout]                                at /rustc/6b3fa26749ab40e159b2dd5cf577acaaf5902772/library/std/src/panicking.rs:576:43
[INFO] [stdout]   42:     0x5c98f9e63712 - std[73adb7dc35730857]::panicking::catch_unwind::<(), core[6883ba1bc0fe4ed1]::panic::unwind_safe::AssertUnwindSafe<std[73adb7dc35730857]::thread::lifecycle::spawn_unchecked<test[980ffaebd391d06d]::run_test::{closure#1}, ()>::{closure#1}::{closure#0}>>
[INFO] [stdout]                                at /rustc/6b3fa26749ab40e159b2dd5cf577acaaf5902772/library/std/src/panicking.rs:544:19
[INFO] [stdout]   43:     0x5c98f9e63712 - std[73adb7dc35730857]::panic::catch_unwind::<core[6883ba1bc0fe4ed1]::panic::unwind_safe::AssertUnwindSafe<std[73adb7dc35730857]::thread::lifecycle::spawn_unchecked<test[980ffaebd391d06d]::run_test::{closure#1}, ()>::{closure#1}::{closure#0}>, ()>
[INFO] [stdout]                                at /rustc/6b3fa26749ab40e159b2dd5cf577acaaf5902772/library/std/src/panic.rs:359:14
[INFO] [stdout]   44:     0x5c98f9e63712 - std[73adb7dc35730857]::thread::lifecycle::spawn_unchecked::<test[980ffaebd391d06d]::run_test::{closure#1}, ()>::{closure#1}
[INFO] [stdout]                                at /rustc/6b3fa26749ab40e159b2dd5cf577acaaf5902772/library/std/src/thread/lifecycle.rs:68:26
[INFO] [stdout]   45:     0x5c98f9e63712 - <std[73adb7dc35730857]::thread::lifecycle::spawn_unchecked<test[980ffaebd391d06d]::run_test::{closure#1}, ()>::{closure#1} as core[6883ba1bc0fe4ed1]::ops::function::FnOnce<()>>::call_once::{shim:vtable#0}
[INFO] [stdout]                                at /rustc/6b3fa26749ab40e159b2dd5cf577acaaf5902772/library/core/src/ops/function.rs:250:5
[INFO] [stdout]   46:     0x5c98fa0d44af - <alloc[55a36b64bcbf2c0d]::boxed::Box<dyn core[6883ba1bc0fe4ed1]::ops::function::FnOnce<(), Output = ()> + core[6883ba1bc0fe4ed1]::marker::Send> as core[6883ba1bc0fe4ed1]::ops::function::FnOnce<()>>::call_once
[INFO] [stdout]                                at /rustc/6b3fa26749ab40e159b2dd5cf577acaaf5902772/library/alloc/src/boxed.rs:2319:9
[INFO] [stdout]   47:     0x5c98fa0d44af - <std[73adb7dc35730857]::sys::thread::unix::Thread>::new::thread_start
[INFO] [stdout]                                at /rustc/6b3fa26749ab40e159b2dd5cf577acaaf5902772/library/std/src/sys/thread/unix.rs:123:17
[INFO] [stdout]   48:     0x718092357aa4 - <unknown>
[INFO] [stdout]   49:     0x7180923e4a64 - clone
[INFO] [stdout]   50:                0x0 - <unknown>
[INFO] [stdout] 
[INFO] [stdout] ---- head::multiple_files_n4 stdout ----
[INFO] [stdout] 
[INFO] [stdout] thread 'head::multiple_files_n4' (3158) panicked at /rustc/6b3fa26749ab40e159b2dd5cf577acaaf5902772/library/core/src/ops/function.rs:250:5:
[INFO] [stdout] Unexpected failure.
[INFO] [stdout] code-101
[INFO] [stdout] stderr=```<90 lines total>
[INFO] [stdout] ```
[INFO] [stdout] 
[INFO] [stdout] thread \'main\' (3162) panicked at /opt/rustwide/cargo-home/registry/src/index.crates.io-1949cf8c6b5b557f/clap-3.2.25/src/parser/matches/arg_matches.rs:547:22:
[INFO] [stdout] Must use `Arg::allow_invalid_utf8` with `_os` lookups at `files`
[INFO] [stdout] stack backtrace:
[INFO] [stdout]    0:     0x618530219601 - std[73adb7dc35730857]::backtrace_rs::backtrace::libunwind::trace
[INFO] [stdout]                                at /rustc/6b3fa26749ab40e159b2dd5cf577acaaf5902772/library/std/src/../../backtrace/src/backtrace/libunwind.rs:117:9
[INFO] [stdout]    1:     0x618530219601 - std[73adb7dc35730857]::backtrace_rs::backtrace::trace_unsynchronized::<std[73adb7dc35730857]::sys::backtrace::_print_fmt::{closure#1}>
[INFO] [stdout]                                at /rustc/6b3fa26749ab40e159b2dd5cf577acaaf5902772/library/std/src/../../backtrace/src/backtrace/mod.rs:66:14
[INFO] [stdout]    2:     0x618530219601 - std[73adb7dc35730857]::sys::backtrace::_print_fmt
[INFO] [stdout]                                at /rustc/6b3fa26749ab40e159b2dd5cf577acaaf5902772/library/std/src/sys/backtrace.rs:74:9
[INFO] [stdout]    3:     0x618530219601 - <<std[73adb7dc35730857]::sys::backtrace::BacktraceLock>::print::DisplayBacktrace as core[6883ba1bc0fe4ed1]::fmt::Display>::fmt
[INFO] [stdout]                                at /rustc/6b3fa26749ab40e159b2dd5cf577acaaf5902772/library/std/src/sys/backtrace.rs:44:26
[INFO] [stdout]    4:     0x61853022d28a - <core[6883ba1bc0fe4ed1]::fmt::rt::Argument>::fmt
[INFO] [stdout]                                at /rustc/6b3fa26749ab40e159b2dd5cf577acaaf5902772/library/core/src/fmt/rt.rs:152:76
[INFO] [stdout]    5:     0x61853022d28a - core[6883ba1bc0fe4ed1]::fmt::write
[INFO] [stdout]    6:     0x61853021ecec - std[73adb7dc35730857]::io::default_write_fmt::<std[73adb7dc35730857]::sys::stdio::unix::Stderr>
[INFO] [stdout]                                at /rustc/6b3fa26749ab40e159b2dd5cf577acaaf5902772/library/std/src/io/mod.rs:626:11
[INFO] [stdout]    7:     0x61853021ecec - <std[73adb7dc35730857]::sys::stdio::unix::Stderr as std[73adb7dc35730857]::io::Write>::write_fmt
[INFO] [stdout]                                at /rustc/6b3fa26749ab40e159b2dd5cf577acaaf5902772/library/std/src/io/mod.rs:1730:13
[INFO] [stdout]    8:     0x618530203e16 - <std[73adb7dc35730857]::sys::backtrace::BacktraceLock>::print
[INFO] [stdout] ```
[INFO] [stdout] <30 lines omitted>
[INFO] [stdout] ```
[INFO] [stdout]                                at /rustc/6b3fa26749ab40e159b2dd5cf577acaaf5902772/library/alloc/src/vec/mod.rs:3941:9
[INFO] [stdout]   24:     0x6185300b308e - <core[6883ba1bc0fe4ed1]::iter::adapters::map::Map<core[6883ba1bc0fe4ed1]::iter::adapters::flatten::Flatten<core[6883ba1bc0fe4ed1]::slice::iter::Iter<alloc[55a36b64bcbf2c0d]::vec::Vec<clap[965b0170b9d3cf34]::parser::matches::any_value::AnyValue>>>, <clap[965b0170b9d3cf34]::parser::matches::arg_matches::ArgMatches>::values_of_lossy<&str>::{closure#0}> as core[6883ba1bc0fe4ed1]::iter::traits::iterator::Iterator>::collect::<alloc[55a36b64bcbf2c0d]::vec::Vec<alloc[55a36b64bcbf2c0d]::string::String>>
[INFO] [stdout]                                at /rustc/6b3fa26749ab40e159b2dd5cf577acaaf5902772/library/core/src/iter/traits/iterator.rs:2090:9
[INFO] [stdout]   25:     0x6185300ad166 - <clap[965b0170b9d3cf34]::parser::matches::arg_matches::ArgMatches>::values_of_lossy::<&str>
[INFO] [stdout]                                at /opt/rustwide/cargo-home/registry/src/index.crates.io-1949cf8c6b5b557f/clap-3.2.25/src/parser/matches/arg_matches.rs:548:14
[INFO] [stdout]   26:     0x6185300b718b - command_line_rust[2a7d65b3375657d0]::head::get_args
[INFO] [stdout]                                at /opt/rustwide/workdir/src/head/mod.rs:92:24
[INFO] [stdout]   27:     0x6185300acad2 - head[5f62c2f9cff836a0]::main
[INFO] [stdout]                                at /opt/rustwide/workdir/src/head/main.rs:4:21
[INFO] [stdout]   28:     0x6185300acbeb - <fn() as core[6883ba1bc0fe4ed1]::ops::function::FnOnce<()>>::call_once
[INFO] [stdout]                                at /rustc/6b3fa26749ab40e159b2dd5cf577acaaf5902772/library/core/src/ops/function.rs:250:5
[INFO] [stdout]   29:     0x6185300aca5e - std[73adb7dc35730857]::sys::backtrace::__rust_begin_short_backtrace::<fn(), ()>
[INFO] [stdout]                                at /rustc/6b3fa26749ab40e159b2dd5cf577acaaf5902772/library/std/src/sys/backtrace.rs:166:18
[INFO] [stdout]   30:     0x6185300aca81 - std[73adb7dc35730857]::rt::lang_start::<()>::{closure#0}
[INFO] [stdout]                                at /rustc/6b3fa26749ab40e159b2dd5cf577acaaf5902772/library/std/src/rt.rs:206:18
[INFO] [stdout]   31:     0x618530214547 - <&dyn core[6883ba1bc0fe4ed1]::ops::function::Fn<(), Output = i32> + core[6883ba1bc0fe4ed1]::panic::unwind_safe::RefUnwindSafe + core[6883ba1bc0fe4ed1]::marker::Sync as core[6883ba1bc0fe4ed1]::ops::function::FnOnce<()>>::call_once
[INFO] [stdout]                                at /rustc/6b3fa26749ab40e159b2dd5cf577acaaf5902772/library/core/src/ops/function.rs:287:21
[INFO] [stdout]   32:     0x618530214547 - std[73adb7dc35730857]::panicking::catch_unwind::do_call::<&dyn core[6883ba1bc0fe4ed1]::ops::function::Fn<(), Output = i32> + core[6883ba1bc0fe4ed1]::panic::unwind_safe::RefUnwindSafe + core[6883ba1bc0fe4ed1]::marker::Sync, i32>
[INFO] [stdout]                                at /rustc/6b3fa26749ab40e159b2dd5cf577acaaf5902772/library/std/src/panicking.rs:576:43
[INFO] [stdout]   33:     0x618530214547 - std[73adb7dc35730857]::panicking::catch_unwind::<i32, &dyn core[6883ba1bc0fe4ed1]::ops::function::Fn<(), Output = i32> + core[6883ba1bc0fe4ed1]::panic::unwind_safe::RefUnwindSafe + core[6883ba1bc0fe4ed1]::marker::Sync>
[INFO] [stdout]                                at /rustc/6b3fa26749ab40e159b2dd5cf577acaaf5902772/library/std/src/panicking.rs:544:19
[INFO] [stdout]   34:     0x618530214547 - std[73adb7dc35730857]::panic::catch_unwind::<&dyn core[6883ba1bc0fe4ed1]::ops::function::Fn<(), Output = i32> + core[6883ba1bc0fe4ed1]::panic::unwind_safe::RefUnwindSafe + core[6883ba1bc0fe4ed1]::marker::Sync, i32>
[INFO] [stdout]                                at /rustc/6b3fa26749ab40e159b2dd5cf577acaaf5902772/library/std/src/panic.rs:359:14
[INFO] [stdout]   35:     0x618530214547 - std[73adb7dc35730857]::rt::lang_start_internal::{closure#0}
[INFO] [stdout]                                at /rustc/6b3fa26749ab40e159b2dd5cf577acaaf5902772/library/std/src/rt.rs:175:24
[INFO] [stdout]   36:     0x618530214547 - std[73adb7dc35730857]::panicking::catch_unwind::do_call::<std[73adb7dc35730857]::rt::lang_start_internal::{closure#0}, isize>
[INFO] [stdout]                                at /rustc/6b3fa26749ab40e159b2dd5cf577acaaf5902772/library/std/src/panicking.rs:576:43
[INFO] [stdout]   37:     0x618530214547 - std[73adb7dc35730857]::panicking::catch_unwind::<isize, std[73adb7dc35730857]::rt::lang_start_internal::{closure#0}>
[INFO] [stdout]                                at /rustc/6b3fa26749ab40e159b2dd5cf577acaaf5902772/library/std/src/panicking.rs:544:19
[INFO] [stdout]   38:     0x618530214547 - std[73adb7dc35730857]::panic::catch_unwind::<std[73adb7dc35730857]::rt::lang_start_internal::{closure#0}, isize>
[INFO] [stdout]                                at /rustc/6b3fa26749ab40e159b2dd5cf577acaaf5902772/library/std/src/panic.rs:359:14
[INFO] [stdout]   39:     0x618530214547 - std[73adb7dc35730857]::rt::lang_start_internal
[INFO] [stdout]                                at /rustc/6b3fa26749ab40e159b2dd5cf577acaaf5902772/library/std/src/rt.rs:171:5
[INFO] [stdout]   40:     0x6185300aca47 - std[73adb7dc35730857]::rt::lang_start::<()>
[INFO] [stdout]                                at /rustc/6b3fa26749ab40e159b2dd5cf577acaaf5902772/library/std/src/rt.rs:205:5
[INFO] [stdout]   41:     0x6185300acc7e - main
[INFO] [stdout]   42:     0x7919ee5311ca - <unknown>
[INFO] [stdout]   43:     0x7919ee53128b - __libc_start_main
[INFO] [stdout]   44:     0x6185300ac8a5 - _start
[INFO] [stdout]   45:                0x0 - <unknown>
[INFO] [stdout] ```
[INFO] [stdout] ```
[INFO] [stdout] command=`"/opt/rustwide/target/debug/head" "-n" "4" "tests/head/inputs/empty.txt" "tests/head/inputs/one.txt" "tests/head/inputs/two.txt" "tests/head/inputs/three.txt" "tests/head/inputs/ten.txt"`
[INFO] [stdout] code=101
[INFO] [stdout] stdout=""
[INFO] [stdout] stderr=<90 lines total>
[INFO] [stdout] ```
[INFO] [stdout] 
[INFO] [stdout] thread \'main\' (3162) panicked at /opt/rustwide/cargo-home/registry/src/index.crates.io-1949cf8c6b5b557f/clap-3.2.25/src/parser/matches/arg_matches.rs:547:22:
[INFO] [stdout] Must use `Arg::allow_invalid_utf8` with `_os` lookups at `files`
[INFO] [stdout] stack backtrace:
[INFO] [stdout]    0:     0x618530219601 - std[73adb7dc35730857]::backtrace_rs::backtrace::libunwind::trace
[INFO] [stdout]                                at /rustc/6b3fa26749ab40e159b2dd5cf577acaaf5902772/library/std/src/../../backtrace/src/backtrace/libunwind.rs:117:9
[INFO] [stdout]    1:     0x618530219601 - std[73adb7dc35730857]::backtrace_rs::backtrace::trace_unsynchronized::<std[73adb7dc35730857]::sys::backtrace::_print_fmt::{closure#1}>
[INFO] [stdout]                                at /rustc/6b3fa26749ab40e159b2dd5cf577acaaf5902772/library/std/src/../../backtrace/src/backtrace/mod.rs:66:14
[INFO] [stdout]    2:     0x618530219601 - std[73adb7dc35730857]::sys::backtrace::_print_fmt
[INFO] [stdout]                                at /rustc/6b3fa26749ab40e159b2dd5cf577acaaf5902772/library/std/src/sys/backtrace.rs:74:9
[INFO] [stdout]    3:     0x618530219601 - <<std[73adb7dc35730857]::sys::backtrace::BacktraceLock>::print::DisplayBacktrace as core[6883ba1bc0fe4ed1]::fmt::Display>::fmt
[INFO] [stdout]                                at /rustc/6b3fa26749ab40e159b2dd5cf577acaaf5902772/library/std/src/sys/backtrace.rs:44:26
[INFO] [stdout]    4:     0x61853022d28a - <core[6883ba1bc0fe4ed1]::fmt::rt::Argument>::fmt
[INFO] [stdout]                                at /rustc/6b3fa26749ab40e159b2dd5cf577acaaf5902772/library/core/src/fmt/rt.rs:152:76
[INFO] [stdout]    5:     0x61853022d28a - core[6883ba1bc0fe4ed1]::fmt::write
[INFO] [stdout]    6:     0x61853021ecec - std[73adb7dc35730857]::io::default_write_fmt::<std[73adb7dc35730857]::sys::stdio::unix::Stderr>
[INFO] [stdout]                                at /rustc/6b3fa26749ab40e159b2dd5cf577acaaf5902772/library/std/src/io/mod.rs:626:11
[INFO] [stdout]    7:     0x61853021ecec - <std[73adb7dc35730857]::sys::stdio::unix::Stderr as std[73adb7dc35730857]::io::Write>::write_fmt
[INFO] [stdout]                                at /rustc/6b3fa26749ab40e159b2dd5cf577acaaf5902772/library/std/src/io/mod.rs:1730:13
[INFO] [stdout]    8:     0x618530203e16 - <std[73adb7dc35730857]::sys::backtrace::BacktraceLock>::print
[INFO] [stdout] ```
[INFO] [stdout] <30 lines omitted>
[INFO] [stdout] ```
[INFO] [stdout]                                at /rustc/6b3fa26749ab40e159b2dd5cf577acaaf5902772/library/alloc/src/vec/mod.rs:3941:9
[INFO] [stdout]   24:     0x6185300b308e - <core[6883ba1bc0fe4ed1]::iter::adapters::map::Map<core[6883ba1bc0fe4ed1]::iter::adapters::flatten::Flatten<core[6883ba1bc0fe4ed1]::slice::iter::Iter<alloc[55a36b64bcbf2c0d]::vec::Vec<clap[965b0170b9d3cf34]::parser::matches::any_value::AnyValue>>>, <clap[965b0170b9d3cf34]::parser::matches::arg_matches::ArgMatches>::values_of_lossy<&str>::{closure#0}> as core[6883ba1bc0fe4ed1]::iter::traits::iterator::Iterator>::collect::<alloc[55a36b64bcbf2c0d]::vec::Vec<alloc[55a36b64bcbf2c0d]::string::String>>
[INFO] [stdout]                                at /rustc/6b3fa26749ab40e159b2dd5cf577acaaf5902772/library/core/src/iter/traits/iterator.rs:2090:9
[INFO] [stdout]   25:     0x6185300ad166 - <clap[965b0170b9d3cf34]::parser::matches::arg_matches::ArgMatches>::values_of_lossy::<&str>
[INFO] [stdout]                                at /opt/rustwide/cargo-home/registry/src/index.crates.io-1949cf8c6b5b557f/clap-3.2.25/src/parser/matches/arg_matches.rs:548:14
[INFO] [stdout]   26:     0x6185300b718b - command_line_rust[2a7d65b3375657d0]::head::get_args
[INFO] [stdout]                                at /opt/rustwide/workdir/src/head/mod.rs:92:24
[INFO] [stdout]   27:     0x6185300acad2 - head[5f62c2f9cff836a0]::main
[INFO] [stdout]                                at /opt/rustwide/workdir/src/head/main.rs:4:21
[INFO] [stdout]   28:     0x6185300acbeb - <fn() as core[6883ba1bc0fe4ed1]::ops::function::FnOnce<()>>::call_once
[INFO] [stdout]                                at /rustc/6b3fa26749ab40e159b2dd5cf577acaaf5902772/library/core/src/ops/function.rs:250:5
[INFO] [stdout]   29:     0x6185300aca5e - std[73adb7dc35730857]::sys::backtrace::__rust_begin_short_backtrace::<fn(), ()>
[INFO] [stdout]                                at /rustc/6b3fa26749ab40e159b2dd5cf577acaaf5902772/library/std/src/sys/backtrace.rs:166:18
[INFO] [stdout]   30:     0x6185300aca81 - std[73adb7dc35730857]::rt::lang_start::<()>::{closure#0}
[INFO] [stdout]                                at /rustc/6b3fa26749ab40e159b2dd5cf577acaaf5902772/library/std/src/rt.rs:206:18
[INFO] [stdout]   31:     0x618530214547 - <&dyn core[6883ba1bc0fe4ed1]::ops::function::Fn<(), Output = i32> + core[6883ba1bc0fe4ed1]::panic::unwind_safe::RefUnwindSafe + core[6883ba1bc0fe4ed1]::marker::Sync as core[6883ba1bc0fe4ed1]::ops::function::FnOnce<()>>::call_once
[INFO] [stdout]                                at /rustc/6b3fa26749ab40e159b2dd5cf577acaaf5902772/library/core/src/ops/function.rs:287:21
[INFO] [stdout]   32:     0x618530214547 - std[73adb7dc35730857]::panicking::catch_unwind::do_call::<&dyn core[6883ba1bc0fe4ed1]::ops::function::Fn<(), Output = i32> + core[6883ba1bc0fe4ed1]::panic::unwind_safe::RefUnwindSafe + core[6883ba1bc0fe4ed1]::marker::Sync, i32>
[INFO] [stdout]                                at /rustc/6b3fa26749ab40e159b2dd5cf577acaaf5902772/library/std/src/panicking.rs:576:43
[INFO] [stdout]   33:     0x618530214547 - std[73adb7dc35730857]::panicking::catch_unwind::<i32, &dyn core[6883ba1bc0fe4ed1]::ops::function::Fn<(), Output = i32> + core[6883ba1bc0fe4ed1]::panic::unwind_safe::RefUnwindSafe + core[6883ba1bc0fe4ed1]::marker::Sync>
[INFO] [stdout]                                at /rustc/6b3fa26749ab40e159b2dd5cf577acaaf5902772/library/std/src/panicking.rs:544:19
[INFO] [stdout]   34:     0x618530214547 - std[73adb7dc35730857]::panic::catch_unwind::<&dyn core[6883ba1bc0fe4ed1]::ops::function::Fn<(), Output = i32> + core[6883ba1bc0fe4ed1]::panic::unwind_safe::RefUnwindSafe + core[6883ba1bc0fe4ed1]::marker::Sync, i32>
[INFO] [stdout]                                at /rustc/6b3fa26749ab40e159b2dd5cf577acaaf5902772/library/std/src/panic.rs:359:14
[INFO] [stdout]   35:     0x618530214547 - std[73adb7dc35730857]::rt::lang_start_internal::{closure#0}
[INFO] [stdout]                                at /rustc/6b3fa26749ab40e159b2dd5cf577acaaf5902772/library/std/src/rt.rs:175:24
[INFO] [stdout]   36:     0x618530214547 - std[73adb7dc35730857]::panicking::catch_unwind::do_call::<std[73adb7dc35730857]::rt::lang_start_internal::{closure#0}, isize>
[INFO] [stdout]                                at /rustc/6b3fa26749ab40e159b2dd5cf577acaaf5902772/library/std/src/panicking.rs:576:43
[INFO] [stdout]   37:     0x618530214547 - std[73adb7dc35730857]::panicking::catch_unwind::<isize, std[73adb7dc35730857]::rt::lang_start_internal::{closure#0}>
[INFO] [stdout]                                at /rustc/6b3fa26749ab40e159b2dd5cf577acaaf5902772/library/std/src/panicking.rs:544:19
[INFO] [stdout]   38:     0x618530214547 - std[73adb7dc35730857]::panic::catch_unwind::<std[73adb7dc35730857]::rt::lang_start_internal::{closure#0}, isize>
[INFO] [stdout]                                at /rustc/6b3fa26749ab40e159b2dd5cf577acaaf5902772/library/std/src/panic.rs:359:14
[INFO] [stdout]   39:     0x618530214547 - std[73adb7dc35730857]::rt::lang_start_internal
[INFO] [stdout]                                at /rustc/6b3fa26749ab40e159b2dd5cf577acaaf5902772/library/std/src/rt.rs:171:5
[INFO] [stdout]   40:     0x6185300aca47 - std[73adb7dc35730857]::rt::lang_start::<()>
[INFO] [stdout]                                at /rustc/6b3fa26749ab40e159b2dd5cf577acaaf5902772/library/std/src/rt.rs:205:5
[INFO] [stdout]   41:     0x6185300acc7e - main
[INFO] [stdout]   42:     0x7919ee5311ca - <unknown>
[INFO] [stdout]   43:     0x7919ee53128b - __libc_start_main
[INFO] [stdout]   44:     0x6185300ac8a5 - _start
[INFO] [stdout]   45:                0x0 - <unknown>
[INFO] [stdout] ```
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] stack backtrace:
[INFO] [stdout]    0:     0x5c98fa0d5011 - std[73adb7dc35730857]::backtrace_rs::backtrace::libunwind::trace
[INFO] [stdout]                                at /rustc/6b3fa26749ab40e159b2dd5cf577acaaf5902772/library/std/src/../../backtrace/src/backtrace/libunwind.rs:117:9
[INFO] [stdout]    1:     0x5c98fa0d5011 - std[73adb7dc35730857]::backtrace_rs::backtrace::trace_unsynchronized::<std[73adb7dc35730857]::sys::backtrace::_print_fmt::{closure#1}>
[INFO] [stdout]                                at /rustc/6b3fa26749ab40e159b2dd5cf577acaaf5902772/library/std/src/../../backtrace/src/backtrace/mod.rs:66:14
[INFO] [stdout]    2:     0x5c98fa0d5011 - std[73adb7dc35730857]::sys::backtrace::_print_fmt
[INFO] [stdout]                                at /rustc/6b3fa26749ab40e159b2dd5cf577acaaf5902772/library/std/src/sys/backtrace.rs:74:9
[INFO] [stdout]    3:     0x5c98fa0d5011 - <<std[73adb7dc35730857]::sys::backtrace::BacktraceLock>::print::DisplayBacktrace as core[6883ba1bc0fe4ed1]::fmt::Display>::fmt
[INFO] [stdout]                                at /rustc/6b3fa26749ab40e159b2dd5cf577acaaf5902772/library/std/src/sys/backtrace.rs:44:26
[INFO] [stdout]    4:     0x5c98fa0eb71a - <core[6883ba1bc0fe4ed1]::fmt::rt::Argument>::fmt
[INFO] [stdout]                                at /rustc/6b3fa26749ab40e159b2dd5cf577acaaf5902772/library/core/src/fmt/rt.rs:152:76
[INFO] [stdout]    5:     0x5c98fa0eb71a - core[6883ba1bc0fe4ed1]::fmt::write
[INFO] [stdout]    6:     0x5c98fa0da99c - std[73adb7dc35730857]::io::default_write_fmt::<alloc[55a36b64bcbf2c0d]::vec::Vec<u8>>
[INFO] [stdout]                                at /rustc/6b3fa26749ab40e159b2dd5cf577acaaf5902772/library/std/src/io/mod.rs:626:11
[INFO] [stdout]    7:     0x5c98fa0da99c - <alloc[55a36b64bcbf2c0d]::vec::Vec<u8> as std[73adb7dc35730857]::io::Write>::write_fmt
[INFO] [stdout]                                at /rustc/6b3fa26749ab40e159b2dd5cf577acaaf5902772/library/std/src/io/mod.rs:1730:13
[INFO] [stdout]    8:     0x5c98fa0b2986 - <std[73adb7dc35730857]::sys::backtrace::BacktraceLock>::print
[INFO] [stdout]                                at /rustc/6b3fa26749ab40e159b2dd5cf577acaaf5902772/library/std/src/sys/backtrace.rs:47:9
[INFO] [stdout]    9:     0x5c98fa0b2986 - std[73adb7dc35730857]::panicking::default_hook::{closure#0}
[INFO] [stdout]                                at /rustc/6b3fa26749ab40e159b2dd5cf577acaaf5902772/library/std/src/panicking.rs:292:27
[INFO] [stdout]   10:     0x5c98fa0ccd09 - std[73adb7dc35730857]::panicking::default_hook
[INFO] [stdout]                                at /rustc/6b3fa26749ab40e159b2dd5cf577acaaf5902772/library/std/src/panicking.rs:316:9
[INFO] [stdout]   11:     0x5c98f9e5fc40 - <alloc[55a36b64bcbf2c0d]::boxed::Box<dyn for<'a, 'b> core[6883ba1bc0fe4ed1]::ops::function::Fn<(&'a std[73adb7dc35730857]::panic::PanicHookInfo<'b>,), Output = ()> + core[6883ba1bc0fe4ed1]::marker::Send + core[6883ba1bc0fe4ed1]::marker::Sync> as core[6883ba1bc0fe4ed1]::ops::function::Fn<(&std[73adb7dc35730857]::panic::PanicHookInfo,)>>::call
[INFO] [stdout]                                at /rustc/6b3fa26749ab40e159b2dd5cf577acaaf5902772/library/alloc/src/boxed.rs:2333:9
[INFO] [stdout]   12:     0x5c98f9e5fc40 - test[980ffaebd391d06d]::test_main_inner::<test[980ffaebd391d06d]::test_main_static::{closure#0}>::{closure#0}
[INFO] [stdout]                                at /rustc/6b3fa26749ab40e159b2dd5cf577acaaf5902772/library/test/src/lib.rs:155:21
[INFO] [stdout]   13:     0x5c98fa0ccec2 - <alloc[55a36b64bcbf2c0d]::boxed::Box<dyn for<'a, 'b> core[6883ba1bc0fe4ed1]::ops::function::Fn<(&'a std[73adb7dc35730857]::panic::PanicHookInfo<'b>,), Output = ()> + core[6883ba1bc0fe4ed1]::marker::Send + core[6883ba1bc0fe4ed1]::marker::Sync> as core[6883ba1bc0fe4ed1]::ops::function::Fn<(&std[73adb7dc35730857]::panic::PanicHookInfo,)>>::call
[INFO] [stdout]                                at /rustc/6b3fa26749ab40e159b2dd5cf577acaaf5902772/library/alloc/src/boxed.rs:2333:9
[INFO] [stdout]   14:     0x5c98fa0ccec2 - std[73adb7dc35730857]::panicking::panic_with_hook
[INFO] [stdout]                                at /rustc/6b3fa26749ab40e159b2dd5cf577acaaf5902772/library/std/src/panicking.rs:823:13
[INFO] [stdout]   15:     0x5c98fa0b2a32 - std[73adb7dc35730857]::panicking::panic_handler::{closure#0}
[INFO] [stdout]                                at /rustc/6b3fa26749ab40e159b2dd5cf577acaaf5902772/library/std/src/panicking.rs:688:13
[INFO] [stdout]   16:     0x5c98fa0aa1d9 - std[73adb7dc35730857]::sys::backtrace::__rust_end_short_backtrace::<std[73adb7dc35730857]::panicking::panic_handler::{closure#0}, !>
[INFO] [stdout]                                at /rustc/6b3fa26749ab40e159b2dd5cf577acaaf5902772/library/std/src/sys/backtrace.rs:182:18
[INFO] [stdout]   17:     0x5c98fa0b362d - __rustc[a7b7b02e776dd976]::rust_begin_unwind
[INFO] [stdout]                                at /rustc/6b3fa26749ab40e159b2dd5cf577acaaf5902772/library/std/src/panicking.rs:679:5
[INFO] [stdout]   18:     0x5c98fa0ebf9c - core[6883ba1bc0fe4ed1]::panicking::panic_fmt
[INFO] [stdout]                                at /rustc/6b3fa26749ab40e159b2dd5cf577acaaf5902772/library/core/src/panicking.rs:80:14
[INFO] [stdout]   19:     0x5c98fa03b8b8 - core[6883ba1bc0fe4ed1]::panicking::panic_display::<assert_cmd[35418449b5f7a4b8]::assert::AssertError>
[INFO] [stdout]                                at /rustc/6b3fa26749ab40e159b2dd5cf577acaaf5902772/library/core/src/panicking.rs:259:5
[INFO] [stdout]   20:     0x5c98fa0426c7 - <assert_cmd[35418449b5f7a4b8]::assert::AssertError>::panic::<assert_cmd[35418449b5f7a4b8]::assert::Assert>
[INFO] [stdout]                                at /opt/rustwide/cargo-home/registry/src/index.crates.io-1949cf8c6b5b557f/assert_cmd-2.0.11/src/assert.rs:1033:9
[INFO] [stdout]   21:     0x5c98fa038947 - <<assert_cmd[35418449b5f7a4b8]::assert::AssertError>::panic<assert_cmd[35418449b5f7a4b8]::assert::Assert> as core[6883ba1bc0fe4ed1]::ops::function::FnOnce<(assert_cmd[35418449b5f7a4b8]::assert::AssertError,)>>::call_once
[INFO] [stdout]                                at /rustc/6b3fa26749ab40e159b2dd5cf577acaaf5902772/library/core/src/ops/function.rs:250:5
[INFO] [stdout]   22:     0x5c98fa041dfb - <core[6883ba1bc0fe4ed1]::result::Result<assert_cmd[35418449b5f7a4b8]::assert::Assert, assert_cmd[35418449b5f7a4b8]::assert::AssertError>>::unwrap_or_else::<<assert_cmd[35418449b5f7a4b8]::assert::AssertError>::panic<assert_cmd[35418449b5f7a4b8]::assert::Assert>>
[INFO] [stdout]                                at /rustc/6b3fa26749ab40e159b2dd5cf577acaaf5902772/library/core/src/result.rs:1620:23
[INFO] [stdout]   23:     0x5c98fa0442a0 - <assert_cmd[35418449b5f7a4b8]::assert::Assert>::success
[INFO] [stdout]                                at /opt/rustwide/cargo-home/registry/src/index.crates.io-1949cf8c6b5b557f/assert_cmd-2.0.11/src/assert.rs:158:28
[INFO] [stdout]   24:     0x5c98f9e4c073 - lib[ef69c164f1f8dd99]::head::run
[INFO] [stdout]                                at /opt/rustwide/workdir/tests/head/mod.rs:105:10
[INFO] [stdout]   25:     0x5c98f9e4dbae - lib[ef69c164f1f8dd99]::head::multiple_files_n4
[INFO] [stdout]                                at /opt/rustwide/workdir/tests/head/mod.rs:392:5
[INFO] [stdout]   26:     0x5c98f9e479f7 - lib[ef69c164f1f8dd99]::head::multiple_files_n4::{closure#0}
[INFO] [stdout]                                at /opt/rustwide/workdir/tests/head/mod.rs:391:27
[INFO] [stdout]   27:     0x5c98f9e524d6 - <lib[ef69c164f1f8dd99]::head::multiple_files_n4::{closure#0} as core[6883ba1bc0fe4ed1]::ops::function::FnOnce<()>>::call_once
[INFO] [stdout]                                at /rustc/6b3fa26749ab40e159b2dd5cf577acaaf5902772/library/core/src/ops/function.rs:250:5
[INFO] [stdout]   28:     0x5c98f9e52f7b - <fn() -> core[6883ba1bc0fe4ed1]::result::Result<(), alloc[55a36b64bcbf2c0d]::string::String> as core[6883ba1bc0fe4ed1]::ops::function::FnOnce<()>>::call_once
[INFO] [stdout]                                at /rustc/6b3fa26749ab40e159b2dd5cf577acaaf5902772/library/core/src/ops/function.rs:250:5
[INFO] [stdout]   29:     0x5c98f9e52f7b - test[980ffaebd391d06d]::__rust_begin_short_backtrace::<core[6883ba1bc0fe4ed1]::result::Result<(), alloc[55a36b64bcbf2c0d]::string::String>, fn() -> core[6883ba1bc0fe4ed1]::result::Result<(), alloc[55a36b64bcbf2c0d]::string::String>>
[INFO] [stdout]                                at /rustc/6b3fa26749ab40e159b2dd5cf577acaaf5902772/library/test/src/lib.rs:724:18
[INFO] [stdout]   30:     0x5c98f9e605c5 - test[980ffaebd391d06d]::run_test_in_process::{closure#0}
[INFO] [stdout]                                at /rustc/6b3fa26749ab40e159b2dd5cf577acaaf5902772/library/test/src/lib.rs:747:74
[INFO] [stdout]   31:     0x5c98f9e605c5 - <core[6883ba1bc0fe4ed1]::panic::unwind_safe::AssertUnwindSafe<test[980ffaebd391d06d]::run_test_in_process::{closure#0}> as core[6883ba1bc0fe4ed1]::ops::function::FnOnce<()>>::call_once
[INFO] [stdout]                                at /rustc/6b3fa26749ab40e159b2dd5cf577acaaf5902772/library/core/src/panic/unwind_safe.rs:275:9
[INFO] [stdout]   32:     0x5c98f9e605c5 - std[73adb7dc35730857]::panicking::catch_unwind::do_call::<core[6883ba1bc0fe4ed1]::panic::unwind_safe::AssertUnwindSafe<test[980ffaebd391d06d]::run_test_in_process::{closure#0}>, core[6883ba1bc0fe4ed1]::result::Result<(), alloc[55a36b64bcbf2c0d]::string::String>>
[INFO] [stdout]                                at /rustc/6b3fa26749ab40e159b2dd5cf577acaaf5902772/library/std/src/panicking.rs:576:43
[INFO] [stdout]   33:     0x5c98f9e605c5 - std[73adb7dc35730857]::panicking::catch_unwind::<core[6883ba1bc0fe4ed1]::result::Result<(), alloc[55a36b64bcbf2c0d]::string::String>, core[6883ba1bc0fe4ed1]::panic::unwind_safe::AssertUnwindSafe<test[980ffaebd391d06d]::run_test_in_process::{closure#0}>>
[INFO] [stdout]                                at /rustc/6b3fa26749ab40e159b2dd5cf577acaaf5902772/library/std/src/panicking.rs:544:19
[INFO] [stdout]   34:     0x5c98f9e605c5 - std[73adb7dc35730857]::panic::catch_unwind::<core[6883ba1bc0fe4ed1]::panic::unwind_safe::AssertUnwindSafe<test[980ffaebd391d06d]::run_test_in_process::{closure#0}>, core[6883ba1bc0fe4ed1]::result::Result<(), alloc[55a36b64bcbf2c0d]::string::String>>
[INFO] [stdout]                                at /rustc/6b3fa26749ab40e159b2dd5cf577acaaf5902772/library/std/src/panic.rs:359:14
[INFO] [stdout]   35:     0x5c98f9e605c5 - test[980ffaebd391d06d]::run_test_in_process
[INFO] [stdout]                                at /rustc/6b3fa26749ab40e159b2dd5cf577acaaf5902772/library/test/src/lib.rs:747:27
[INFO] [stdout]   36:     0x5c98f9e605c5 - test[980ffaebd391d06d]::run_test::{closure#0}
[INFO] [stdout]                                at /rustc/6b3fa26749ab40e159b2dd5cf577acaaf5902772/library/test/src/lib.rs:668:43
[INFO] [stdout]   37:     0x5c98f9e5b074 - test[980ffaebd391d06d]::run_test::{closure#1}
[INFO] [stdout]                                at /rustc/6b3fa26749ab40e159b2dd5cf577acaaf5902772/library/test/src/lib.rs:698:41
[INFO] [stdout]   38:     0x5c98f9e5b074 - std[73adb7dc35730857]::sys::backtrace::__rust_begin_short_backtrace::<test[980ffaebd391d06d]::run_test::{closure#1}, ()>
[INFO] [stdout]                                at /rustc/6b3fa26749ab40e159b2dd5cf577acaaf5902772/library/std/src/sys/backtrace.rs:166:18
[INFO] [stdout]   39:     0x5c98f9e63712 - std[73adb7dc35730857]::thread::lifecycle::spawn_unchecked::<test[980ffaebd391d06d]::run_test::{closure#1}, ()>::{closure#1}::{closure#0}
[INFO] [stdout]                                at /rustc/6b3fa26749ab40e159b2dd5cf577acaaf5902772/library/std/src/thread/lifecycle.rs:70:13
[INFO] [stdout]   40:     0x5c98f9e63712 - <core[6883ba1bc0fe4ed1]::panic::unwind_safe::AssertUnwindSafe<std[73adb7dc35730857]::thread::lifecycle::spawn_unchecked<test[980ffaebd391d06d]::run_test::{closure#1}, ()>::{closure#1}::{closure#0}> as core[6883ba1bc0fe4ed1]::ops::function::FnOnce<()>>::call_once
[INFO] [stdout]                                at /rustc/6b3fa26749ab40e159b2dd5cf577acaaf5902772/library/core/src/panic/unwind_safe.rs:275:9
[INFO] [stdout]   41:     0x5c98f9e63712 - std[73adb7dc35730857]::panicking::catch_unwind::do_call::<core[6883ba1bc0fe4ed1]::panic::unwind_safe::AssertUnwindSafe<std[73adb7dc35730857]::thread::lifecycle::spawn_unchecked<test[980ffaebd391d06d]::run_test::{closure#1}, ()>::{closure#1}::{closure#0}>, ()>
[INFO] [stdout]                                at /rustc/6b3fa26749ab40e159b2dd5cf577acaaf5902772/library/std/src/panicking.rs:576:43
[INFO] [stdout]   42:     0x5c98f9e63712 - std[73adb7dc35730857]::panicking::catch_unwind::<(), core[6883ba1bc0fe4ed1]::panic::unwind_safe::AssertUnwindSafe<std[73adb7dc35730857]::thread::lifecycle::spawn_unchecked<test[980ffaebd391d06d]::run_test::{closure#1}, ()>::{closure#1}::{closure#0}>>
[INFO] [stdout]                                at /rustc/6b3fa26749ab40e159b2dd5cf577acaaf5902772/library/std/src/panicking.rs:544:19
[INFO] [stdout]   43:     0x5c98f9e63712 - std[73adb7dc35730857]::panic::catch_unwind::<core[6883ba1bc0fe4ed1]::panic::unwind_safe::AssertUnwindSafe<std[73adb7dc35730857]::thread::lifecycle::spawn_unchecked<test[980ffaebd391d06d]::run_test::{closure#1}, ()>::{closure#1}::{closure#0}>, ()>
[INFO] [stdout]                                at /rustc/6b3fa26749ab40e159b2dd5cf577acaaf5902772/library/std/src/panic.rs:359:14
[INFO] [stdout]   44:     0x5c98f9e63712 - std[73adb7dc35730857]::thread::lifecycle::spawn_unchecked::<test[980ffaebd391d06d]::run_test::{closure#1}, ()>::{closure#1}
[INFO] [stdout]                                at /rustc/6b3fa26749ab40e159b2dd5cf577acaaf5902772/library/std/src/thread/lifecycle.rs:68:26
[INFO] [stdout]   45:     0x5c98f9e63712 - <std[73adb7dc35730857]::thread::lifecycle::spawn_unchecked<test[980ffaebd391d06d]::run_test::{closure#1}, ()>::{closure#1} as core[6883ba1bc0fe4ed1]::ops::function::FnOnce<()>>::call_once::{shim:vtable#0}
[INFO] [stdout]                                at /rustc/6b3fa26749ab40e159b2dd5cf577acaaf5902772/library/core/src/ops/function.rs:250:5
[INFO] [stdout]   46:     0x5c98fa0d44af - <alloc[55a36b64bcbf2c0d]::boxed::Box<dyn core[6883ba1bc0fe4ed1]::ops::function::FnOnce<(), Output = ()> + core[6883ba1bc0fe4ed1]::marker::Send> as core[6883ba1bc0fe4ed1]::ops::function::FnOnce<()>>::call_once
[INFO] [stdout]                                at /rustc/6b3fa26749ab40e159b2dd5cf577acaaf5902772/library/alloc/src/boxed.rs:2319:9
[INFO] [stdout]   47:     0x5c98fa0d44af - <std[73adb7dc35730857]::sys::thread::unix::Thread>::new::thread_start
[INFO] [stdout]                                at /rustc/6b3fa26749ab40e159b2dd5cf577acaaf5902772/library/std/src/sys/thread/unix.rs:123:17
[INFO] [stdout]   48:     0x718092357aa4 - <unknown>
[INFO] [stdout]   49:     0x7180923e4a64 - clone
[INFO] [stdout]   50:                0x0 - <unknown>
[INFO] [stdout] 
[INFO] [stdout] ---- head::multiple_files_c2 stdout ----
[INFO] [stdout] 
[INFO] [stdout] thread 'head::multiple_files_c2' (3150) panicked at /rustc/6b3fa26749ab40e159b2dd5cf577acaaf5902772/library/core/src/ops/function.rs:250:5:
[INFO] [stdout] Unexpected failure.
[INFO] [stdout] code-101
[INFO] [stdout] stderr=```<90 lines total>
[INFO] [stdout] ```
[INFO] [stdout] 
[INFO] [stdout] thread \'main\' (3184) panicked at /opt/rustwide/cargo-home/registry/src/index.crates.io-1949cf8c6b5b557f/clap-3.2.25/src/parser/matches/arg_matches.rs:547:22:
[INFO] [stdout] Must use `Arg::allow_invalid_utf8` with `_os` lookups at `files`
[INFO] [stdout] stack backtrace:
[INFO] [stdout]    0:     0x55c80f85a601 - std[73adb7dc35730857]::backtrace_rs::backtrace::libunwind::trace
[INFO] [stdout]                                at /rustc/6b3fa26749ab40e159b2dd5cf577acaaf5902772/library/std/src/../../backtrace/src/backtrace/libunwind.rs:117:9
[INFO] [stdout]    1:     0x55c80f85a601 - std[73adb7dc35730857]::backtrace_rs::backtrace::trace_unsynchronized::<std[73adb7dc35730857]::sys::backtrace::_print_fmt::{closure#1}>
[INFO] [stdout]                                at /rustc/6b3fa26749ab40e159b2dd5cf577acaaf5902772/library/std/src/../../backtrace/src/backtrace/mod.rs:66:14
[INFO] [stdout]    2:     0x55c80f85a601 - std[73adb7dc35730857]::sys::backtrace::_print_fmt
[INFO] [stdout]                                at /rustc/6b3fa26749ab40e159b2dd5cf577acaaf5902772/library/std/src/sys/backtrace.rs:74:9
[INFO] [stdout]    3:     0x55c80f85a601 - <<std[73adb7dc35730857]::sys::backtrace::BacktraceLock>::print::DisplayBacktrace as core[6883ba1bc0fe4ed1]::fmt::Display>::fmt
[INFO] [stdout]                                at /rustc/6b3fa26749ab40e159b2dd5cf577acaaf5902772/library/std/src/sys/backtrace.rs:44:26
[INFO] [stdout]    4:     0x55c80f86e28a - <core[6883ba1bc0fe4ed1]::fmt::rt::Argument>::fmt
[INFO] [stdout]                                at /rustc/6b3fa26749ab40e159b2dd5cf577acaaf5902772/library/core/src/fmt/rt.rs:152:76
[INFO] [stdout]    5:     0x55c80f86e28a - core[6883ba1bc0fe4ed1]::fmt::write
[INFO] [stdout]    6:     0x55c80f85fcec - std[73adb7dc35730857]::io::default_write_fmt::<std[73adb7dc35730857]::sys::stdio::unix::Stderr>
[INFO] [stdout]                                at /rustc/6b3fa26749ab40e159b2dd5cf577acaaf5902772/library/std/src/io/mod.rs:626:11
[INFO] [stdout]    7:     0x55c80f85fcec - <std[73adb7dc35730857]::sys::stdio::unix::Stderr as std[73adb7dc35730857]::io::Write>::write_fmt
[INFO] [stdout]                                at /rustc/6b3fa26749ab40e159b2dd5cf577acaaf5902772/library/std/src/io/mod.rs:1730:13
[INFO] [stdout]    8:     0x55c80f844e16 - <std[73adb7dc35730857]::sys::backtrace::BacktraceLock>::print
[INFO] [stdout] ```
[INFO] [stdout] <30 lines omitted>
[INFO] [stdout] ```
[INFO] [stdout]                                at /rustc/6b3fa26749ab40e159b2dd5cf577acaaf5902772/library/alloc/src/vec/mod.rs:3941:9
[INFO] [stdout]   24:     0x55c80f6f408e - <core[6883ba1bc0fe4ed1]::iter::adapters::map::Map<core[6883ba1bc0fe4ed1]::iter::adapters::flatten::Flatten<core[6883ba1bc0fe4ed1]::slice::iter::Iter<alloc[55a36b64bcbf2c0d]::vec::Vec<clap[965b0170b9d3cf34]::parser::matches::any_value::AnyValue>>>, <clap[965b0170b9d3cf34]::parser::matches::arg_matches::ArgMatches>::values_of_lossy<&str>::{closure#0}> as core[6883ba1bc0fe4ed1]::iter::traits::iterator::Iterator>::collect::<alloc[55a36b64bcbf2c0d]::vec::Vec<alloc[55a36b64bcbf2c0d]::string::String>>
[INFO] [stdout]                                at /rustc/6b3fa26749ab40e159b2dd5cf577acaaf5902772/library/core/src/iter/traits/iterator.rs:2090:9
[INFO] [stdout]   25:     0x55c80f6ee166 - <clap[965b0170b9d3cf34]::parser::matches::arg_matches::ArgMatches>::values_of_lossy::<&str>
[INFO] [stdout]                                at /opt/rustwide/cargo-home/registry/src/index.crates.io-1949cf8c6b5b557f/clap-3.2.25/src/parser/matches/arg_matches.rs:548:14
[INFO] [stdout]   26:     0x55c80f6f818b - command_line_rust[2a7d65b3375657d0]::head::get_args
[INFO] [stdout]                                at /opt/rustwide/workdir/src/head/mod.rs:92:24
[INFO] [stdout]   27:     0x55c80f6edad2 - head[5f62c2f9cff836a0]::main
[INFO] [stdout]                                at /opt/rustwide/workdir/src/head/main.rs:4:21
[INFO] [stdout]   28:     0x55c80f6edbeb - <fn() as core[6883ba1bc0fe4ed1]::ops::function::FnOnce<()>>::call_once
[INFO] [stdout]                                at /rustc/6b3fa26749ab40e159b2dd5cf577acaaf5902772/library/core/src/ops/function.rs:250:5
[INFO] [stdout]   29:     0x55c80f6eda5e - std[73adb7dc35730857]::sys::backtrace::__rust_begin_short_backtrace::<fn(), ()>
[INFO] [stdout]                                at /rustc/6b3fa26749ab40e159b2dd5cf577acaaf5902772/library/std/src/sys/backtrace.rs:166:18
[INFO] [stdout]   30:     0x55c80f6eda81 - std[73adb7dc35730857]::rt::lang_start::<()>::{closure#0}
[INFO] [stdout]                                at /rustc/6b3fa26749ab40e159b2dd5cf577acaaf5902772/library/std/src/rt.rs:206:18
[INFO] [stdout]   31:     0x55c80f855547 - <&dyn core[6883ba1bc0fe4ed1]::ops::function::Fn<(), Output = i32> + core[6883ba1bc0fe4ed1]::panic::unwind_safe::RefUnwindSafe + core[6883ba1bc0fe4ed1]::marker::Sync as core[6883ba1bc0fe4ed1]::ops::function::FnOnce<()>>::call_once
[INFO] [stdout]                                at /rustc/6b3fa26749ab40e159b2dd5cf577acaaf5902772/library/core/src/ops/function.rs:287:21
[INFO] [stdout]   32:     0x55c80f855547 - std[73adb7dc35730857]::panicking::catch_unwind::do_call::<&dyn core[6883ba1bc0fe4ed1]::ops::function::Fn<(), Output = i32> + core[6883ba1bc0fe4ed1]::panic::unwind_safe::RefUnwindSafe + core[6883ba1bc0fe4ed1]::marker::Sync, i32>
[INFO] [stdout]                                at /rustc/6b3fa26749ab40e159b2dd5cf577acaaf5902772/library/std/src/panicking.rs:576:43
[INFO] [stdout]   33:     0x55c80f855547 - std[73adb7dc35730857]::panicking::catch_unwind::<i32, &dyn core[6883ba1bc0fe4ed1]::ops::function::Fn<(), Output = i32> + core[6883ba1bc0fe4ed1]::panic::unwind_safe::RefUnwindSafe + core[6883ba1bc0fe4ed1]::marker::Sync>
[INFO] [stdout]                                at /rustc/6b3fa26749ab40e159b2dd5cf577acaaf5902772/library/std/src/panicking.rs:544:19
[INFO] [stdout]   34:     0x55c80f855547 - std[73adb7dc35730857]::panic::catch_unwind::<&dyn core[6883ba1bc0fe4ed1]::ops::function::Fn<(), Output = i32> + core[6883ba1bc0fe4ed1]::panic::unwind_safe::RefUnwindSafe + core[6883ba1bc0fe4ed1]::marker::Sync, i32>
[INFO] [stdout]                                at /rustc/6b3fa26749ab40e159b2dd5cf577acaaf5902772/library/std/src/panic.rs:359:14
[INFO] [stdout]   35:     0x55c80f855547 - std[73adb7dc35730857]::rt::lang_start_internal::{closure#0}
[INFO] [stdout]                                at /rustc/6b3fa26749ab40e159b2dd5cf577acaaf5902772/library/std/src/rt.rs:175:24
[INFO] [stdout]   36:     0x55c80f855547 - std[73adb7dc35730857]::panicking::catch_unwind::do_call::<std[73adb7dc35730857]::rt::lang_start_internal::{closure#0}, isize>
[INFO] [stdout]                                at /rustc/6b3fa26749ab40e159b2dd5cf577acaaf5902772/library/std/src/panicking.rs:576:43
[INFO] [stdout]   37:     0x55c80f855547 - std[73adb7dc35730857]::panicking::catch_unwind::<isize, std[73adb7dc35730857]::rt::lang_start_internal::{closure#0}>
[INFO] [stdout]                                at /rustc/6b3fa26749ab40e159b2dd5cf577acaaf5902772/library/std/src/panicking.rs:544:19
[INFO] [stdout]   38:     0x55c80f855547 - std[73adb7dc35730857]::panic::catch_unwind::<std[73adb7dc35730857]::rt::lang_start_internal::{closure#0}, isize>
[INFO] [stdout]                                at /rustc/6b3fa26749ab40e159b2dd5cf577acaaf5902772/library/std/src/panic.rs:359:14
[INFO] [stdout]   39:     0x55c80f855547 - std[73adb7dc35730857]::rt::lang_start_internal
[INFO] [stdout]                                at /rustc/6b3fa26749ab40e159b2dd5cf577acaaf5902772/library/std/src/rt.rs:171:5
[INFO] [stdout]   40:     0x55c80f6eda47 - std[73adb7dc35730857]::rt::lang_start::<()>
[INFO] [stdout]                                at /rustc/6b3fa26749ab40e159b2dd5cf577acaaf5902772/library/std/src/rt.rs:205:5
[INFO] [stdout]   41:     0x55c80f6edc7e - main
[INFO] [stdout]   42:     0x78d8f64161ca - <unknown>
[INFO] [stdout]   43:     0x78d8f641628b - __libc_start_main
[INFO] [stdout]   44:     0x55c80f6ed8a5 - _start
[INFO] [stdout]   45:                0x0 - <unknown>
[INFO] [stdout] ```
[INFO] [stdout] ```
[INFO] [stdout] command=`"/opt/rustwide/target/debug/head" "tests/head/inputs/empty.txt" "tests/head/inputs/one.txt" "tests/head/inputs/two.txt" "tests/head/inputs/three.txt" "tests/head/inputs/ten.txt" "-c" "2"`
[INFO] [stdout] code=101
[INFO] [stdout] stdout=""
[INFO] [stdout] stderr=<90 lines total>
[INFO] [stdout] ```
[INFO] [stdout] 
[INFO] [stdout] thread \'main\' (3184) panicked at /opt/rustwide/cargo-home/registry/src/index.crates.io-1949cf8c6b5b557f/clap-3.2.25/src/parser/matches/arg_matches.rs:547:22:
[INFO] [stdout] Must use `Arg::allow_invalid_utf8` with `_os` lookups at `files`
[INFO] [stdout] stack backtrace:
[INFO] [stdout]    0:     0x55c80f85a601 - std[73adb7dc35730857]::backtrace_rs::backtrace::libunwind::trace
[INFO] [stdout]                                at /rustc/6b3fa26749ab40e159b2dd5cf577acaaf5902772/library/std/src/../../backtrace/src/backtrace/libunwind.rs:117:9
[INFO] [stdout]    1:     0x55c80f85a601 - std[73adb7dc35730857]::backtrace_rs::backtrace::trace_unsynchronized::<std[73adb7dc35730857]::sys::backtrace::_print_fmt::{closure#1}>
[INFO] [stdout]                                at /rustc/6b3fa26749ab40e159b2dd5cf577acaaf5902772/library/std/src/../../backtrace/src/backtrace/mod.rs:66:14
[INFO] [stdout]    2:     0x55c80f85a601 - std[73adb7dc35730857]::sys::backtrace::_print_fmt
[INFO] [stdout]                                at /rustc/6b3fa26749ab40e159b2dd5cf577acaaf5902772/library/std/src/sys/backtrace.rs:74:9
[INFO] [stdout]    3:     0x55c80f85a601 - <<std[73adb7dc35730857]::sys::backtrace::BacktraceLock>::print::DisplayBacktrace as core[6883ba1bc0fe4ed1]::fmt::Display>::fmt
[INFO] [stdout]                                at /rustc/6b3fa26749ab40e159b2dd5cf577acaaf5902772/library/std/src/sys/backtrace.rs:44:26
[INFO] [stdout]    4:     0x55c80f86e28a - <core[6883ba1bc0fe4ed1]::fmt::rt::Argument>::fmt
[INFO] [stdout]                                at /rustc/6b3fa26749ab40e159b2dd5cf577acaaf5902772/library/core/src/fmt/rt.rs:152:76
[INFO] [stdout]    5:     0x55c80f86e28a - core[6883ba1bc0fe4ed1]::fmt::write
[INFO] [stdout]    6:     0x55c80f85fcec - std[73adb7dc35730857]::io::default_write_fmt::<std[73adb7dc35730857]::sys::stdio::unix::Stderr>
[INFO] [stdout]                                at /rustc/6b3fa26749ab40e159b2dd5cf577acaaf5902772/library/std/src/io/mod.rs:626:11
[INFO] [stdout]    7:     0x55c80f85fcec - <std[73adb7dc35730857]::sys::stdio::unix::Stderr as std[73adb7dc35730857]::io::Write>::write_fmt
[INFO] [stdout]                                at /rustc/6b3fa26749ab40e159b2dd5cf577acaaf5902772/library/std/src/io/mod.rs:1730:13
[INFO] [stdout]    8:     0x55c80f844e16 - <std[73adb7dc35730857]::sys::backtrace::BacktraceLock>::print
[INFO] [stdout] ```
[INFO] [stdout] <30 lines omitted>
[INFO] [stdout] ```
[INFO] [stdout]                                at /rustc/6b3fa26749ab40e159b2dd5cf577acaaf5902772/library/alloc/src/vec/mod.rs:3941:9
[INFO] [stdout]   24:     0x55c80f6f408e - <core[6883ba1bc0fe4ed1]::iter::adapters::map::Map<core[6883ba1bc0fe4ed1]::iter::adapters::flatten::Flatten<core[6883ba1bc0fe4ed1]::slice::iter::Iter<alloc[55a36b64bcbf2c0d]::vec::Vec<clap[965b0170b9d3cf34]::parser::matches::any_value::AnyValue>>>, <clap[965b0170b9d3cf34]::parser::matches::arg_matches::ArgMatches>::values_of_lossy<&str>::{closure#0}> as core[6883ba1bc0fe4ed1]::iter::traits::iterator::Iterator>::collect::<alloc[55a36b64bcbf2c0d]::vec::Vec<alloc[55a36b64bcbf2c0d]::string::String>>
[INFO] [stdout]                                at /rustc/6b3fa26749ab40e159b2dd5cf577acaaf5902772/library/core/src/iter/traits/iterator.rs:2090:9
[INFO] [stdout]   25:     0x55c80f6ee166 - <clap[965b0170b9d3cf34]::parser::matches::arg_matches::ArgMatches>::values_of_lossy::<&str>
[INFO] [stdout]                                at /opt/rustwide/cargo-home/registry/src/index.crates.io-1949cf8c6b5b557f/clap-3.2.25/src/parser/matches/arg_matches.rs:548:14
[INFO] [stdout]   26:     0x55c80f6f818b - command_line_rust[2a7d65b3375657d0]::head::get_args
[INFO] [stdout]                                at /opt/rustwide/workdir/src/head/mod.rs:92:24
[INFO] [stdout]   27:     0x55c80f6edad2 - head[5f62c2f9cff836a0]::main
[INFO] [stdout]                                at /opt/rustwide/workdir/src/head/main.rs:4:21
[INFO] [stdout]   28:     0x55c80f6edbeb - <fn() as core[6883ba1bc0fe4ed1]::ops::function::FnOnce<()>>::call_once
[INFO] [stdout]                                at /rustc/6b3fa26749ab40e159b2dd5cf577acaaf5902772/library/core/src/ops/function.rs:250:5
[INFO] [stdout]   29:     0x55c80f6eda5e - std[73adb7dc35730857]::sys::backtrace::__rust_begin_short_backtrace::<fn(), ()>
[INFO] [stdout]                                at /rustc/6b3fa26749ab40e159b2dd5cf577acaaf5902772/library/std/src/sys/backtrace.rs:166:18
[INFO] [stdout]   30:     0x55c80f6eda81 - std[73adb7dc35730857]::rt::lang_start::<()>::{closure#0}
[INFO] [stdout]                                at /rustc/6b3fa26749ab40e159b2dd5cf577acaaf5902772/library/std/src/rt.rs:206:18
[INFO] [stdout]   31:     0x55c80f855547 - <&dyn core[6883ba1bc0fe4ed1]::ops::function::Fn<(), Output = i32> + core[6883ba1bc0fe4ed1]::panic::unwind_safe::RefUnwindSafe + core[6883ba1bc0fe4ed1]::marker::Sync as core[6883ba1bc0fe4ed1]::ops::function::FnOnce<()>>::call_once
[INFO] [stdout]                                at /rustc/6b3fa26749ab40e159b2dd5cf577acaaf5902772/library/core/src/ops/function.rs:287:21
[INFO] [stdout]   32:     0x55c80f855547 - std[73adb7dc35730857]::panicking::catch_unwind::do_call::<&dyn core[6883ba1bc0fe4ed1]::ops::function::Fn<(), Output = i32> + core[6883ba1bc0fe4ed1]::panic::unwind_safe::RefUnwindSafe + core[6883ba1bc0fe4ed1]::marker::Sync, i32>
[INFO] [stdout]                                at /rustc/6b3fa26749ab40e159b2dd5cf577acaaf5902772/library/std/src/panicking.rs:576:43
[INFO] [stdout]   33:     0x55c80f855547 - std[73adb7dc35730857]::panicking::catch_unwind::<i32, &dyn core[6883ba1bc0fe4ed1]::ops::function::Fn<(), Output = i32> + core[6883ba1bc0fe4ed1]::panic::unwind_safe::RefUnwindSafe + core[6883ba1bc0fe4ed1]::marker::Sync>
[INFO] [stdout]                                at /rustc/6b3fa26749ab40e159b2dd5cf577acaaf5902772/library/std/src/panicking.rs:544:19
[INFO] [stdout]   34:     0x55c80f855547 - std[73adb7dc35730857]::panic::catch_unwind::<&dyn core[6883ba1bc0fe4ed1]::ops::function::Fn<(), Output = i32> + core[6883ba1bc0fe4ed1]::panic::unwind_safe::RefUnwindSafe + core[6883ba1bc0fe4ed1]::marker::Sync, i32>
[INFO] [stdout]                                at /rustc/6b3fa26749ab40e159b2dd5cf577acaaf5902772/library/std/src/panic.rs:359:14
[INFO] [stdout]   35:     0x55c80f855547 - std[73adb7dc35730857]::rt::lang_start_internal::{closure#0}
[INFO] [stdout]                                at /rustc/6b3fa26749ab40e159b2dd5cf577acaaf5902772/library/std/src/rt.rs:175:24
[INFO] [stdout]   36:     0x55c80f855547 - std[73adb7dc35730857]::panicking::catch_unwind::do_call::<std[73adb7dc35730857]::rt::lang_start_internal::{closure#0}, isize>
[INFO] [stdout]                                at /rustc/6b3fa26749ab40e159b2dd5cf577acaaf5902772/library/std/src/panicking.rs:576:43
[INFO] [stdout]   37:     0x55c80f855547 - std[73adb7dc35730857]::panicking::catch_unwind::<isize, std[73adb7dc35730857]::rt::lang_start_internal::{closure#0}>
[INFO] [stdout]                                at /rustc/6b3fa26749ab40e159b2dd5cf577acaaf5902772/library/std/src/panicking.rs:544:19
[INFO] [stdout]   38:     0x55c80f855547 - std[73adb7dc35730857]::panic::catch_unwind::<std[73adb7dc35730857]::rt::lang_start_internal::{closure#0}, isize>
[INFO] [stdout]                                at /rustc/6b3fa26749ab40e159b2dd5cf577acaaf5902772/library/std/src/panic.rs:359:14
[INFO] [stdout]   39:     0x55c80f855547 - std[73adb7dc35730857]::rt::lang_start_internal
[INFO] [stdout]                                at /rustc/6b3fa26749ab40e159b2dd5cf577acaaf5902772/library/std/src/rt.rs:171:5
[INFO] [stdout]   40:     0x55c80f6eda47 - std[73adb7dc35730857]::rt::lang_start::<()>
[INFO] [stdout]                                at /rustc/6b3fa26749ab40e159b2dd5cf577acaaf5902772/library/std/src/rt.rs:205:5
[INFO] [stdout]   41:     0x55c80f6edc7e - main
[INFO] [stdout]   42:     0x78d8f64161ca - <unknown>
[INFO] [stdout]   43:     0x78d8f641628b - __libc_start_main
[INFO] [stdout]   44:     0x55c80f6ed8a5 - _start
[INFO] [stdout]   45:                0x0 - <unknown>
[INFO] [stdout] ```
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] stack backtrace:
[INFO] [stdout]    0:     0x5c98fa0d5011 - std[73adb7dc35730857]::backtrace_rs::backtrace::libunwind::trace
[INFO] [stdout]                                at /rustc/6b3fa26749ab40e159b2dd5cf577acaaf5902772/library/std/src/../../backtrace/src/backtrace/libunwind.rs:117:9
[INFO] [stdout]    1:     0x5c98fa0d5011 - std[73adb7dc35730857]::backtrace_rs::backtrace::trace_unsynchronized::<std[73adb7dc35730857]::sys::backtrace::_print_fmt::{closure#1}>
[INFO] [stdout]                                at /rustc/6b3fa26749ab40e159b2dd5cf577acaaf5902772/library/std/src/../../backtrace/src/backtrace/mod.rs:66:14
[INFO] [stdout]    2:     0x5c98fa0d5011 - std[73adb7dc35730857]::sys::backtrace::_print_fmt
[INFO] [stdout]                                at /rustc/6b3fa26749ab40e159b2dd5cf577acaaf5902772/library/std/src/sys/backtrace.rs:74:9
[INFO] [stdout]    3:     0x5c98fa0d5011 - <<std[73adb7dc35730857]::sys::backtrace::BacktraceLock>::print::DisplayBacktrace as core[6883ba1bc0fe4ed1]::fmt::Display>::fmt
[INFO] [stdout]                                at /rustc/6b3fa26749ab40e159b2dd5cf577acaaf5902772/library/std/src/sys/backtrace.rs:44:26
[INFO] [stdout]    4:     0x5c98fa0eb71a - <core[6883ba1bc0fe4ed1]::fmt::rt::Argument>::fmt
[INFO] [stdout]                                at /rustc/6b3fa26749ab40e159b2dd5cf577acaaf5902772/library/core/src/fmt/rt.rs:152:76
[INFO] [stdout]    5:     0x5c98fa0eb71a - core[6883ba1bc0fe4ed1]::fmt::write
[INFO] [stdout]    6:     0x5c98fa0da99c - std[73adb7dc35730857]::io::default_write_fmt::<alloc[55a36b64bcbf2c0d]::vec::Vec<u8>>
[INFO] [stdout]                                at /rustc/6b3fa26749ab40e159b2dd5cf577acaaf5902772/library/std/src/io/mod.rs:626:11
[INFO] [stdout]    7:     0x5c98fa0da99c - <alloc[55a36b64bcbf2c0d]::vec::Vec<u8> as std[73adb7dc35730857]::io::Write>::write_fmt
[INFO] [stdout]                                at /rustc/6b3fa26749ab40e159b2dd5cf577acaaf5902772/library/std/src/io/mod.rs:1730:13
[INFO] [stdout]    8:     0x5c98fa0b2986 - <std[73adb7dc35730857]::sys::backtrace::BacktraceLock>::print
[INFO] [stdout]                                at /rustc/6b3fa26749ab40e159b2dd5cf577acaaf5902772/library/std/src/sys/backtrace.rs:47:9
[INFO] [stdout]    9:     0x5c98fa0b2986 - std[73adb7dc35730857]::panicking::default_hook::{closure#0}
[INFO] [stdout]                                at /rustc/6b3fa26749ab40e159b2dd5cf577acaaf5902772/library/std/src/panicking.rs:292:27
[INFO] [stdout]   10:     0x5c98fa0ccd09 - std[73adb7dc35730857]::panicking::default_hook
[INFO] [stdout]                                at /rustc/6b3fa26749ab40e159b2dd5cf577acaaf5902772/library/std/src/panicking.rs:316:9
[INFO] [stdout]   11:     0x5c98f9e5fc40 - <alloc[55a36b64bcbf2c0d]::boxed::Box<dyn for<'a, 'b> core[6883ba1bc0fe4ed1]::ops::function::Fn<(&'a std[73adb7dc35730857]::panic::PanicHookInfo<'b>,), Output = ()> + core[6883ba1bc0fe4ed1]::marker::Send + core[6883ba1bc0fe4ed1]::marker::Sync> as core[6883ba1bc0fe4ed1]::ops::function::Fn<(&std[73adb7dc35730857]::panic::PanicHookInfo,)>>::call
[INFO] [stdout]                                at /rustc/6b3fa26749ab40e159b2dd5cf577acaaf5902772/library/alloc/src/boxed.rs:2333:9
[INFO] [stdout]   12:     0x5c98f9e5fc40 - test[980ffaebd391d06d]::test_main_inner::<test[980ffaebd391d06d]::test_main_static::{closure#0}>::{closure#0}
[INFO] [stdout]                                at /rustc/6b3fa26749ab40e159b2dd5cf577acaaf5902772/library/test/src/lib.rs:155:21
[INFO] [stdout]   13:     0x5c98fa0ccec2 - <alloc[55a36b64bcbf2c0d]::boxed::Box<dyn for<'a, 'b> core[6883ba1bc0fe4ed1]::ops::function::Fn<(&'a std[73adb7dc35730857]::panic::PanicHookInfo<'b>,), Output = ()> + core[6883ba1bc0fe4ed1]::marker::Send + core[6883ba1bc0fe4ed1]::marker::Sync> as core[6883ba1bc0fe4ed1]::ops::function::Fn<(&std[73adb7dc35730857]::panic::PanicHookInfo,)>>::call
[INFO] [stdout]                                at /rustc/6b3fa26749ab40e159b2dd5cf577acaaf5902772/library/alloc/src/boxed.rs:2333:9
[INFO] [stdout]   14:     0x5c98fa0ccec2 - std[73adb7dc35730857]::panicking::panic_with_hook
[INFO] [stdout]                                at /rustc/6b3fa26749ab40e159b2dd5cf577acaaf5902772/library/std/src/panicking.rs:823:13
[INFO] [stdout]   15:     0x5c98fa0b2a32 - std[73adb7dc35730857]::panicking::panic_handler::{closure#0}
[INFO] [stdout]                                at /rustc/6b3fa26749ab40e159b2dd5cf577acaaf5902772/library/std/src/panicking.rs:688:13
[INFO] [stdout]   16:     0x5c98fa0aa1d9 - std[73adb7dc35730857]::sys::backtrace::__rust_end_short_backtrace::<std[73adb7dc35730857]::panicking::panic_handler::{closure#0}, !>
[INFO] [stdout]                                at /rustc/6b3fa26749ab40e159b2dd5cf577acaaf5902772/library/std/src/sys/backtrace.rs:182:18
[INFO] [stdout]   17:     0x5c98fa0b362d - __rustc[a7b7b02e776dd976]::rust_begin_unwind
[INFO] [stdout]                                at /rustc/6b3fa26749ab40e159b2dd5cf577acaaf5902772/library/std/src/panicking.rs:679:5
[INFO] [stdout]   18:     0x5c98fa0ebf9c - core[6883ba1bc0fe4ed1]::panicking::panic_fmt
[INFO] [stdout]                                at /rustc/6b3fa26749ab40e159b2dd5cf577acaaf5902772/library/core/src/panicking.rs:80:14
[INFO] [stdout]   19:     0x5c98fa03b8b8 - core[6883ba1bc0fe4ed1]::panicking::panic_display::<assert_cmd[35418449b5f7a4b8]::assert::AssertError>
[INFO] [stdout]                                at /rustc/6b3fa26749ab40e159b2dd5cf577acaaf5902772/library/core/src/panicking.rs:259:5
[INFO] [stdout]   20:     0x5c98fa0426c7 - <assert_cmd[35418449b5f7a4b8]::assert::AssertError>::panic::<assert_cmd[35418449b5f7a4b8]::assert::Assert>
[INFO] [stdout]                                at /opt/rustwide/cargo-home/registry/src/index.crates.io-1949cf8c6b5b557f/assert_cmd-2.0.11/src/assert.rs:1033:9
[INFO] [stdout]   21:     0x5c98fa038947 - <<assert_cmd[35418449b5f7a4b8]::assert::AssertError>::panic<assert_cmd[35418449b5f7a4b8]::assert::Assert> as core[6883ba1bc0fe4ed1]::ops::function::FnOnce<(assert_cmd[35418449b5f7a4b8]::assert::AssertError,)>>::call_once
[INFO] [stdout]                                at /rustc/6b3fa26749ab40e159b2dd5cf577acaaf5902772/library/core/src/ops/function.rs:250:5
[INFO] [stdout]   22:     0x5c98fa041dfb - <core[6883ba1bc0fe4ed1]::result::Result<assert_cmd[35418449b5f7a4b8]::assert::Assert, assert_cmd[35418449b5f7a4b8]::assert::AssertError>>::unwrap_or_else::<<assert_cmd[35418449b5f7a4b8]::assert::AssertError>::panic<assert_cmd[35418449b5f7a4b8]::assert::Assert>>
[INFO] [stdout]                                at /rustc/6b3fa26749ab40e159b2dd5cf577acaaf5902772/library/core/src/result.rs:1620:23
[INFO] [stdout]   23:     0x5c98fa0442a0 - <assert_cmd[35418449b5f7a4b8]::assert::Assert>::success
[INFO] [stdout]                                at /opt/rustwide/cargo-home/registry/src/index.crates.io-1949cf8c6b5b557f/assert_cmd-2.0.11/src/assert.rs:158:28
[INFO] [stdout]   24:     0x5c98f9e4c073 - lib[ef69c164f1f8dd99]::head::run
[INFO] [stdout]                                at /opt/rustwide/workdir/tests/head/mod.rs:105:10
[INFO] [stdout]   25:     0x5c98f9e4db4e - lib[ef69c164f1f8dd99]::head::multiple_files_c2
[INFO] [stdout]                                at /opt/rustwide/workdir/tests/head/mod.rs:408:5
[INFO] [stdout]   26:     0x5c98f9e47967 - lib[ef69c164f1f8dd99]::head::multiple_files_c2::{closure#0}
[INFO] [stdout]                                at /opt/rustwide/workdir/tests/head/mod.rs:407:27
[INFO] [stdout]   27:     0x5c98f9e52416 - <lib[ef69c164f1f8dd99]::head::multiple_files_c2::{closure#0} as core[6883ba1bc0fe4ed1]::ops::function::FnOnce<()>>::call_once
[INFO] [stdout]                                at /rustc/6b3fa26749ab40e159b2dd5cf577acaaf5902772/library/core/src/ops/function.rs:250:5
[INFO] [stdout]   28:     0x5c98f9e52f7b - <fn() -> core[6883ba1bc0fe4ed1]::result::Result<(), alloc[55a36b64bcbf2c0d]::string::String> as core[6883ba1bc0fe4ed1]::ops::function::FnOnce<()>>::call_once
[INFO] [stdout]                                at /rustc/6b3fa26749ab40e159b2dd5cf577acaaf5902772/library/core/src/ops/function.rs:250:5
[INFO] [stdout]   29:     0x5c98f9e52f7b - test[980ffaebd391d06d]::__rust_begin_short_backtrace::<core[6883ba1bc0fe4ed1]::result::Result<(), alloc[55a36b64bcbf2c0d]::string::String>, fn() -> core[6883ba1bc0fe4ed1]::result::Result<(), alloc[55a36b64bcbf2c0d]::string::String>>
[INFO] [stdout]                                at /rustc/6b3fa26749ab40e159b2dd5cf577acaaf5902772/library/test/src/lib.rs:724:18
[INFO] [stdout]   30:     0x5c98f9e605c5 - test[980ffaebd391d06d]::run_test_in_process::{closure#0}
[INFO] [stdout]                                at /rustc/6b3fa26749ab40e159b2dd5cf577acaaf5902772/library/test/src/lib.rs:747:74
[INFO] [stdout]   31:     0x5c98f9e605c5 - <core[6883ba1bc0fe4ed1]::panic::unwind_safe::AssertUnwindSafe<test[980ffaebd391d06d]::run_test_in_process::{closure#0}> as core[6883ba1bc0fe4ed1]::ops::function::FnOnce<()>>::call_once
[INFO] [stdout]                                at /rustc/6b3fa26749ab40e159b2dd5cf577acaaf5902772/library/core/src/panic/unwind_safe.rs:275:9
[INFO] [stdout]   32:     0x5c98f9e605c5 - std[73adb7dc35730857]::panicking::catch_unwind::do_call::<core[6883ba1bc0fe4ed1]::panic::unwind_safe::AssertUnwindSafe<test[980ffaebd391d06d]::run_test_in_process::{closure#0}>, core[6883ba1bc0fe4ed1]::result::Result<(), alloc[55a36b64bcbf2c0d]::string::String>>
[INFO] [stdout]                                at /rustc/6b3fa26749ab40e159b2dd5cf577acaaf5902772/library/std/src/panicking.rs:576:43
[INFO] [stdout]   33:     0x5c98f9e605c5 - std[73adb7dc35730857]::panicking::catch_unwind::<core[6883ba1bc0fe4ed1]::result::Result<(), alloc[55a36b64bcbf2c0d]::string::String>, core[6883ba1bc0fe4ed1]::panic::unwind_safe::AssertUnwindSafe<test[980ffaebd391d06d]::run_test_in_process::{closure#0}>>
[INFO] [stdout]                                at /rustc/6b3fa26749ab40e159b2dd5cf577acaaf5902772/library/std/src/panicking.rs:544:19
[INFO] [stdout]   34:     0x5c98f9e605c5 - std[73adb7dc35730857]::panic::catch_unwind::<core[6883ba1bc0fe4ed1]::panic::unwind_safe::AssertUnwindSafe<test[980ffaebd391d06d]::run_test_in_process::{closure#0}>, core[6883ba1bc0fe4ed1]::result::Result<(), alloc[55a36b64bcbf2c0d]::string::String>>
[INFO] [stdout]                                at /rustc/6b3fa26749ab40e159b2dd5cf577acaaf5902772/library/std/src/panic.rs:359:14
[INFO] [stdout]   35:     0x5c98f9e605c5 - test[980ffaebd391d06d]::run_test_in_process
[INFO] [stdout]                                at /rustc/6b3fa26749ab40e159b2dd5cf577acaaf5902772/library/test/src/lib.rs:747:27
[INFO] [stdout]   36:     0x5c98f9e605c5 - test[980ffaebd391d06d]::run_test::{closure#0}
[INFO] [stdout]                                at /rustc/6b3fa26749ab40e159b2dd5cf577acaaf5902772/library/test/src/lib.rs:668:43
[INFO] [stdout]   37:     0x5c98f9e5b074 - test[980ffaebd391d06d]::run_test::{closure#1}
[INFO] [stdout]                                at /rustc/6b3fa26749ab40e159b2dd5cf577acaaf5902772/library/test/src/lib.rs:698:41
[INFO] [stdout]   38:     0x5c98f9e5b074 - std[73adb7dc35730857]::sys::backtrace::__rust_begin_short_backtrace::<test[980ffaebd391d06d]::run_test::{closure#1}, ()>
[INFO] [stdout]                                at /rustc/6b3fa26749ab40e159b2dd5cf577acaaf5902772/library/std/src/sys/backtrace.rs:166:18
[INFO] [stdout]   39:     0x5c98f9e63712 - std[73adb7dc35730857]::thread::lifecycle::spawn_unchecked::<test[980ffaebd391d06d]::run_test::{closure#1}, ()>::{closure#1}::{closure#0}
[INFO] [stdout]                                at /rustc/6b3fa26749ab40e159b2dd5cf577acaaf5902772/library/std/src/thread/lifecycle.rs:70:13
[INFO] [stdout]   40:     0x5c98f9e63712 - <core[6883ba1bc0fe4ed1]::panic::unwind_safe::AssertUnwindSafe<std[73adb7dc35730857]::thread::lifecycle::spawn_unchecked<test[980ffaebd391d06d]::run_test::{closure#1}, ()>::{closure#1}::{closure#0}> as core[6883ba1bc0fe4ed1]::ops::function::FnOnce<()>>::call_once
[INFO] [stdout]                                at /rustc/6b3fa26749ab40e159b2dd5cf577acaaf5902772/library/core/src/panic/unwind_safe.rs:275:9
[INFO] [stdout]   41:     0x5c98f9e63712 - std[73adb7dc35730857]::panicking::catch_unwind::do_call::<core[6883ba1bc0fe4ed1]::panic::unwind_safe::AssertUnwindSafe<std[73adb7dc35730857]::thread::lifecycle::spawn_unchecked<test[980ffaebd391d06d]::run_test::{closure#1}, ()>::{closure#1}::{closure#0}>, ()>
[INFO] [stdout]                                at /rustc/6b3fa26749ab40e159b2dd5cf577acaaf5902772/library/std/src/panicking.rs:576:43
[INFO] [stdout]   42:     0x5c98f9e63712 - std[73adb7dc35730857]::panicking::catch_unwind::<(), core[6883ba1bc0fe4ed1]::panic::unwind_safe::AssertUnwindSafe<std[73adb7dc35730857]::thread::lifecycle::spawn_unchecked<test[980ffaebd391d06d]::run_test::{closure#1}, ()>::{closure#1}::{closure#0}>>
[INFO] [stdout]                                at /rustc/6b3fa26749ab40e159b2dd5cf577acaaf5902772/library/std/src/panicking.rs:544:19
[INFO] [stdout]   43:     0x5c98f9e63712 - std[73adb7dc35730857]::panic::catch_unwind::<core[6883ba1bc0fe4ed1]::panic::unwind_safe::AssertUnwindSafe<std[73adb7dc35730857]::thread::lifecycle::spawn_unchecked<test[980ffaebd391d06d]::run_test::{closure#1}, ()>::{closure#1}::{closure#0}>, ()>
[INFO] [stdout]                                at /rustc/6b3fa26749ab40e159b2dd5cf577acaaf5902772/library/std/src/panic.rs:359:14
[INFO] [stdout]   44:     0x5c98f9e63712 - std[73adb7dc35730857]::thread::lifecycle::spawn_unchecked::<test[980ffaebd391d06d]::run_test::{closure#1}, ()>::{closure#1}
[INFO] [stdout]                                at /rustc/6b3fa26749ab40e159b2dd5cf577acaaf5902772/library/std/src/thread/lifecycle.rs:68:26
[INFO] [stdout]   45:     0x5c98f9e63712 - <std[73adb7dc35730857]::thread::lifecycle::spawn_unchecked<test[980ffaebd391d06d]::run_test::{closure#1}, ()>::{closure#1} as core[6883ba1bc0fe4ed1]::ops::function::FnOnce<()>>::call_once::{shim:vtable#0}
[INFO] [stdout]                                at /rustc/6b3fa26749ab40e159b2dd5cf577acaaf5902772/library/core/src/ops/function.rs:250:5
[INFO] [stdout]   46:     0x5c98fa0d44af - <alloc[55a36b64bcbf2c0d]::boxed::Box<dyn core[6883ba1bc0fe4ed1]::ops::function::FnOnce<(), Output = ()> + core[6883ba1bc0fe4ed1]::marker::Send> as core[6883ba1bc0fe4ed1]::ops::function::FnOnce<()>>::call_once
[INFO] [stdout]                                at /rustc/6b3fa26749ab40e159b2dd5cf577acaaf5902772/library/alloc/src/boxed.rs:2319:9
[INFO] [stdout]   47:     0x5c98fa0d44af - <std[73adb7dc35730857]::sys::thread::unix::Thread>::new::thread_start
[INFO] [stdout]                                at /rustc/6b3fa26749ab40e159b2dd5cf577acaaf5902772/library/std/src/sys/thread/unix.rs:123:17
[INFO] [stdout]   48:     0x718092357aa4 - <unknown>
[INFO] [stdout]   49:     0x7180923e4a64 - clone
[INFO] [stdout]   50:                0x0 - <unknown>
[INFO] [stdout] 
[INFO] [stdout] ---- head::one_c1_stdin stdout ----
[INFO] [stdout] 
[INFO] [stdout] thread 'head::one_c1_stdin' (3169) panicked at /rustc/6b3fa26749ab40e159b2dd5cf577acaaf5902772/library/core/src/ops/function.rs:250:5:
[INFO] [stdout] Unexpected stdout, failed var == [
[INFO] [stdout]     239,
[INFO] [stdout]     191,
[INFO] [stdout]     189,
[INFO] [stdout] ]
[INFO] [stdout] └── var: []
[INFO] [stdout] 
[INFO] [stdout] command=`"/opt/rustwide/target/debug/head" "-c" "1"`
[INFO] [stdout] stdin=`"Öne line, four words.\n"`
[INFO] [stdout] code=101
[INFO] [stdout] stdout=""
[INFO] [stdout] stderr=<90 lines total>
[INFO] [stdout] ```
[INFO] [stdout] 
[INFO] [stdout] thread \'main\' (3195) panicked at /opt/rustwide/cargo-home/registry/src/index.crates.io-1949cf8c6b5b557f/clap-3.2.25/src/parser/matches/arg_matches.rs:547:22:
[INFO] [stdout] Must use `Arg::allow_invalid_utf8` with `_os` lookups at `files`
[INFO] [stdout] stack backtrace:
[INFO] [stdout]    0:     0x5fc149c2c601 - std[73adb7dc35730857]::backtrace_rs::backtrace::libunwind::trace
[INFO] [stdout]                                at /rustc/6b3fa26749ab40e159b2dd5cf577acaaf5902772/library/std/src/../../backtrace/src/backtrace/libunwind.rs:117:9
[INFO] [stdout]    1:     0x5fc149c2c601 - std[73adb7dc35730857]::backtrace_rs::backtrace::trace_unsynchronized::<std[73adb7dc35730857]::sys::backtrace::_print_fmt::{closure#1}>
[INFO] [stdout]                                at /rustc/6b3fa26749ab40e159b2dd5cf577acaaf5902772/library/std/src/../../backtrace/src/backtrace/mod.rs:66:14
[INFO] [stdout]    2:     0x5fc149c2c601 - std[73adb7dc35730857]::sys::backtrace::_print_fmt
[INFO] [stdout]                                at /rustc/6b3fa26749ab40e159b2dd5cf577acaaf5902772/library/std/src/sys/backtrace.rs:74:9
[INFO] [stdout]    3:     0x5fc149c2c601 - <<std[73adb7dc35730857]::sys::backtrace::BacktraceLock>::print::DisplayBacktrace as core[6883ba1bc0fe4ed1]::fmt::Display>::fmt
[INFO] [stdout]                                at /rustc/6b3fa26749ab40e159b2dd5cf577acaaf5902772/library/std/src/sys/backtrace.rs:44:26
[INFO] [stdout]    4:     0x5fc149c4028a - <core[6883ba1bc0fe4ed1]::fmt::rt::Argument>::fmt
[INFO] [stdout]                                at /rustc/6b3fa26749ab40e159b2dd5cf577acaaf5902772/library/core/src/fmt/rt.rs:152:76
[INFO] [stdout]    5:     0x5fc149c4028a - core[6883ba1bc0fe4ed1]::fmt::write
[INFO] [stdout]    6:     0x5fc149c31cec - std[73adb7dc35730857]::io::default_write_fmt::<std[73adb7dc35730857]::sys::stdio::unix::Stderr>
[INFO] [stdout]                                at /rustc/6b3fa26749ab40e159b2dd5cf577acaaf5902772/library/std/src/io/mod.rs:626:11
[INFO] [stdout]    7:     0x5fc149c31cec - <std[73adb7dc35730857]::sys::stdio::unix::Stderr as std[73adb7dc35730857]::io::Write>::write_fmt
[INFO] [stdout]                                at /rustc/6b3fa26749ab40e159b2dd5cf577acaaf5902772/library/std/src/io/mod.rs:1730:13
[INFO] [stdout]    8:     0x5fc149c16e16 - <std[73adb7dc35730857]::sys::backtrace::BacktraceLock>::print
[INFO] [stdout] ```
[INFO] [stdout] <30 lines omitted>
[INFO] [stdout] ```
[INFO] [stdout]                                at /rustc/6b3fa26749ab40e159b2dd5cf577acaaf5902772/library/alloc/src/vec/mod.rs:3941:9
[INFO] [stdout]   24:     0x5fc149ac608e - <core[6883ba1bc0fe4ed1]::iter::adapters::map::Map<core[6883ba1bc0fe4ed1]::iter::adapters::flatten::Flatten<core[6883ba1bc0fe4ed1]::slice::iter::Iter<alloc[55a36b64bcbf2c0d]::vec::Vec<clap[965b0170b9d3cf34]::parser::matches::any_value::AnyValue>>>, <clap[965b0170b9d3cf34]::parser::matches::arg_matches::ArgMatches>::values_of_lossy<&str>::{closure#0}> as core[6883ba1bc0fe4ed1]::iter::traits::iterator::Iterator>::collect::<alloc[55a36b64bcbf2c0d]::vec::Vec<alloc[55a36b64bcbf2c0d]::string::String>>
[INFO] [stdout]                                at /rustc/6b3fa26749ab40e159b2dd5cf577acaaf5902772/library/core/src/iter/traits/iterator.rs:2090:9
[INFO] [stdout]   25:     0x5fc149ac0166 - <clap[965b0170b9d3cf34]::parser::matches::arg_matches::ArgMatches>::values_of_lossy::<&str>
[INFO] [stdout]                                at /opt/rustwide/cargo-home/registry/src/index.crates.io-1949cf8c6b5b557f/clap-3.2.25/src/parser/matches/arg_matches.rs:548:14
[INFO] [stdout]   26:     0x5fc149aca18b - command_line_rust[2a7d65b3375657d0]::head::get_args
[INFO] [stdout]                                at /opt/rustwide/workdir/src/head/mod.rs:92:24
[INFO] [stdout]   27:     0x5fc149abfad2 - head[5f62c2f9cff836a0]::main
[INFO] [stdout]                                at /opt/rustwide/workdir/src/head/main.rs:4:21
[INFO] [stdout]   28:     0x5fc149abfbeb - <fn() as core[6883ba1bc0fe4ed1]::ops::function::FnOnce<()>>::call_once
[INFO] [stdout]                                at /rustc/6b3fa26749ab40e159b2dd5cf577acaaf5902772/library/core/src/ops/function.rs:250:5
[INFO] [stdout]   29:     0x5fc149abfa5e - std[73adb7dc35730857]::sys::backtrace::__rust_begin_short_backtrace::<fn(), ()>
[INFO] [stdout]                                at /rustc/6b3fa26749ab40e159b2dd5cf577acaaf5902772/library/std/src/sys/backtrace.rs:166:18
[INFO] [stdout]   30:     0x5fc149abfa81 - std[73adb7dc35730857]::rt::lang_start::<()>::{closure#0}
[INFO] [stdout]                                at /rustc/6b3fa26749ab40e159b2dd5cf577acaaf5902772/library/std/src/rt.rs:206:18
[INFO] [stdout]   31:     0x5fc149c27547 - <&dyn core[6883ba1bc0fe4ed1]::ops::function::Fn<(), Output = i32> + core[6883ba1bc0fe4ed1]::panic::unwind_safe::RefUnwindSafe + core[6883ba1bc0fe4ed1]::marker::Sync as core[6883ba1bc0fe4ed1]::ops::function::FnOnce<()>>::call_once
[INFO] [stdout]                                at /rustc/6b3fa26749ab40e159b2dd5cf577acaaf5902772/library/core/src/ops/function.rs:287:21
[INFO] [stdout]   32:     0x5fc149c27547 - std[73adb7dc35730857]::panicking::catch_unwind::do_call::<&dyn core[6883ba1bc0fe4ed1]::ops::function::Fn<(), Output = i32> + core[6883ba1bc0fe4ed1]::panic::unwind_safe::RefUnwindSafe + core[6883ba1bc0fe4ed1]::marker::Sync, i32>
[INFO] [stdout]                                at /rustc/6b3fa26749ab40e159b2dd5cf577acaaf5902772/library/std/src/panicking.rs:576:43
[INFO] [stdout]   33:     0x5fc149c27547 - std[73adb7dc35730857]::panicking::catch_unwind::<i32, &dyn core[6883ba1bc0fe4ed1]::ops::function::Fn<(), Output = i32> + core[6883ba1bc0fe4ed1]::panic::unwind_safe::RefUnwindSafe + core[6883ba1bc0fe4ed1]::marker::Sync>
[INFO] [stdout]                                at /rustc/6b3fa26749ab40e159b2dd5cf577acaaf5902772/library/std/src/panicking.rs:544:19
[INFO] [stdout]   34:     0x5fc149c27547 - std[73adb7dc35730857]::panic::catch_unwind::<&dyn core[6883ba1bc0fe4ed1]::ops::function::Fn<(), Output = i32> + core[6883ba1bc0fe4ed1]::panic::unwind_safe::RefUnwindSafe + core[6883ba1bc0fe4ed1]::marker::Sync, i32>
[INFO] [stdout]                                at /rustc/6b3fa26749ab40e159b2dd5cf577acaaf5902772/library/std/src/panic.rs:359:14
[INFO] [stdout]   35:     0x5fc149c27547 - std[73adb7dc35730857]::rt::lang_start_internal::{closure#0}
[INFO] [stdout]                                at /rustc/6b3fa26749ab40e159b2dd5cf577acaaf5902772/library/std/src/rt.rs:175:24
[INFO] [stdout]   36:     0x5fc149c27547 - std[73adb7dc35730857]::panicking::catch_unwind::do_call::<std[73adb7dc35730857]::rt::lang_start_internal::{closure#0}, isize>
[INFO] [stdout]                                at /rustc/6b3fa26749ab40e159b2dd5cf577acaaf5902772/library/std/src/panicking.rs:576:43
[INFO] [stdout]   37:     0x5fc149c27547 - std[73adb7dc35730857]::panicking::catch_unwind::<isize, std[73adb7dc35730857]::rt::lang_start_internal::{closure#0}>
[INFO] [stdout]                                at /rustc/6b3fa26749ab40e159b2dd5cf577acaaf5902772/library/std/src/panicking.rs:544:19
[INFO] [stdout]   38:     0x5fc149c27547 - std[73adb7dc35730857]::panic::catch_unwind::<std[73adb7dc35730857]::rt::lang_start_internal::{closure#0}, isize>
[INFO] [stdout]                                at /rustc/6b3fa26749ab40e159b2dd5cf577acaaf5902772/library/std/src/panic.rs:359:14
[INFO] [stdout]   39:     0x5fc149c27547 - std[73adb7dc35730857]::rt::lang_start_internal
[INFO] [stdout]                                at /rustc/6b3fa26749ab40e159b2dd5cf577acaaf5902772/library/std/src/rt.rs:171:5
[INFO] [stdout]   40:     0x5fc149abfa47 - std[73adb7dc35730857]::rt::lang_start::<()>
[INFO] [stdout]                                at /rustc/6b3fa26749ab40e159b2dd5cf577acaaf5902772/library/std/src/rt.rs:205:5
[INFO] [stdout]   41:     0x5fc149abfc7e - main
[INFO] [stdout]   42:     0x7d66fe1ca1ca - <unknown>
[INFO] [stdout]   43:     0x7d66fe1ca28b - __libc_start_main
[INFO] [stdout]   44:     0x5fc149abf8a5 - _start
[INFO] [stdout]   45:                0x0 - <unknown>
[INFO] [stdout] ```
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] stack backtrace:
[INFO] [stdout]    0:     0x5c98fa0d5011 - std[73adb7dc35730857]::backtrace_rs::backtrace::libunwind::trace
[INFO] [stdout]                                at /rustc/6b3fa26749ab40e159b2dd5cf577acaaf5902772/library/std/src/../../backtrace/src/backtrace/libunwind.rs:117:9
[INFO] [stdout]    1:     0x5c98fa0d5011 - std[73adb7dc35730857]::backtrace_rs::backtrace::trace_unsynchronized::<std[73adb7dc35730857]::sys::backtrace::_print_fmt::{closure#1}>
[INFO] [stdout]                                at /rustc/6b3fa26749ab40e159b2dd5cf577acaaf5902772/library/std/src/../../backtrace/src/backtrace/mod.rs:66:14
[INFO] [stdout]    2:     0x5c98fa0d5011 - std[73adb7dc35730857]::sys::backtrace::_print_fmt
[INFO] [stdout]                                at /rustc/6b3fa26749ab40e159b2dd5cf577acaaf5902772/library/std/src/sys/backtrace.rs:74:9
[INFO] [stdout]    3:     0x5c98fa0d5011 - <<std[73adb7dc35730857]::sys::backtrace::BacktraceLock>::print::DisplayBacktrace as core[6883ba1bc0fe4ed1]::fmt::Display>::fmt
[INFO] [stdout]                                at /rustc/6b3fa26749ab40e159b2dd5cf577acaaf5902772/library/std/src/sys/backtrace.rs:44:26
[INFO] [stdout]    4:     0x5c98fa0eb71a - <core[6883ba1bc0fe4ed1]::fmt::rt::Argument>::fmt
[INFO] [stdout]                                at /rustc/6b3fa26749ab40e159b2dd5cf577acaaf5902772/library/core/src/fmt/rt.rs:152:76
[INFO] [stdout]    5:     0x5c98fa0eb71a - core[6883ba1bc0fe4ed1]::fmt::write
[INFO] [stdout]    6:     0x5c98fa0da99c - std[73adb7dc35730857]::io::default_write_fmt::<alloc[55a36b64bcbf2c0d]::vec::Vec<u8>>
[INFO] [stdout]                                at /rustc/6b3fa26749ab40e159b2dd5cf577acaaf5902772/library/std/src/io/mod.rs:626:11
[INFO] [stdout]    7:     0x5c98fa0da99c - <alloc[55a36b64bcbf2c0d]::vec::Vec<u8> as std[73adb7dc35730857]::io::Write>::write_fmt
[INFO] [stdout]                                at /rustc/6b3fa26749ab40e159b2dd5cf577acaaf5902772/library/std/src/io/mod.rs:1730:13
[INFO] [stdout]    8:     0x5c98fa0b2986 - <std[73adb7dc35730857]::sys::backtrace::BacktraceLock>::print
[INFO] [stdout]                                at /rustc/6b3fa26749ab40e159b2dd5cf577acaaf5902772/library/std/src/sys/backtrace.rs:47:9
[INFO] [stdout]    9:     0x5c98fa0b2986 - std[73adb7dc35730857]::panicking::default_hook::{closure#0}
[INFO] [stdout]                                at /rustc/6b3fa26749ab40e159b2dd5cf577acaaf5902772/library/std/src/panicking.rs:292:27
[INFO] [stdout]   10:     0x5c98fa0ccd09 - std[73adb7dc35730857]::panicking::default_hook
[INFO] [stdout]                                at /rustc/6b3fa26749ab40e159b2dd5cf577acaaf5902772/library/std/src/panicking.rs:316:9
[INFO] [stdout]   11:     0x5c98f9e5fc40 - <alloc[55a36b64bcbf2c0d]::boxed::Box<dyn for<'a, 'b> core[6883ba1bc0fe4ed1]::ops::function::Fn<(&'a std[73adb7dc35730857]::panic::PanicHookInfo<'b>,), Output = ()> + core[6883ba1bc0fe4ed1]::marker::Send + core[6883ba1bc0fe4ed1]::marker::Sync> as core[6883ba1bc0fe4ed1]::ops::function::Fn<(&std[73adb7dc35730857]::panic::PanicHookInfo,)>>::call
[INFO] [stdout]                                at /rustc/6b3fa26749ab40e159b2dd5cf577acaaf5902772/library/alloc/src/boxed.rs:2333:9
[INFO] [stdout]   12:     0x5c98f9e5fc40 - test[980ffaebd391d06d]::test_main_inner::<test[980ffaebd391d06d]::test_main_static::{closure#0}>::{closure#0}
[INFO] [stdout]                                at /rustc/6b3fa26749ab40e159b2dd5cf577acaaf5902772/library/test/src/lib.rs:155:21
[INFO] [stdout]   13:     0x5c98fa0ccec2 - <alloc[55a36b64bcbf2c0d]::boxed::Box<dyn for<'a, 'b> core[6883ba1bc0fe4ed1]::ops::function::Fn<(&'a std[73adb7dc35730857]::panic::PanicHookInfo<'b>,), Output = ()> + core[6883ba1bc0fe4ed1]::marker::Send + core[6883ba1bc0fe4ed1]::marker::Sync> as core[6883ba1bc0fe4ed1]::ops::function::Fn<(&std[73adb7dc35730857]::panic::PanicHookInfo,)>>::call
[INFO] [stdout]                                at /rustc/6b3fa26749ab40e159b2dd5cf577acaaf5902772/library/alloc/src/boxed.rs:2333:9
[INFO] [stdout]   14:     0x5c98fa0ccec2 - std[73adb7dc35730857]::panicking::panic_with_hook
[INFO] [stdout]                                at /rustc/6b3fa26749ab40e159b2dd5cf577acaaf5902772/library/std/src/panicking.rs:823:13
[INFO] [stdout]   15:     0x5c98fa0b2a32 - std[73adb7dc35730857]::panicking::panic_handler::{closure#0}
[INFO] [stdout]                                at /rustc/6b3fa26749ab40e159b2dd5cf577acaaf5902772/library/std/src/panicking.rs:688:13
[INFO] [stdout]   16:     0x5c98fa0aa1d9 - std[73adb7dc35730857]::sys::backtrace::__rust_end_short_backtrace::<std[73adb7dc35730857]::panicking::panic_handler::{closure#0}, !>
[INFO] [stdout]                                at /rustc/6b3fa26749ab40e159b2dd5cf577acaaf5902772/library/std/src/sys/backtrace.rs:182:18
[INFO] [stdout]   17:     0x5c98fa0b362d - __rustc[a7b7b02e776dd976]::rust_begin_unwind
[INFO] [stdout]                                at /rustc/6b3fa26749ab40e159b2dd5cf577acaaf5902772/library/std/src/panicking.rs:679:5
[INFO] [stdout]   18:     0x5c98fa0ebf9c - core[6883ba1bc0fe4ed1]::panicking::panic_fmt
[INFO] [stdout]                                at /rustc/6b3fa26749ab40e159b2dd5cf577acaaf5902772/library/core/src/panicking.rs:80:14
[INFO] [stdout]   19:     0x5c98fa03b8b8 - core[6883ba1bc0fe4ed1]::panicking::panic_display::<assert_cmd[35418449b5f7a4b8]::assert::AssertError>
[INFO] [stdout]                                at /rustc/6b3fa26749ab40e159b2dd5cf577acaaf5902772/library/core/src/panicking.rs:259:5
[INFO] [stdout]   20:     0x5c98fa0426c7 - <assert_cmd[35418449b5f7a4b8]::assert::AssertError>::panic::<assert_cmd[35418449b5f7a4b8]::assert::Assert>
[INFO] [stdout]                                at /opt/rustwide/cargo-home/registry/src/index.crates.io-1949cf8c6b5b557f/assert_cmd-2.0.11/src/assert.rs:1033:9
[INFO] [stdout]   21:     0x5c98fa038947 - <<assert_cmd[35418449b5f7a4b8]::assert::AssertError>::panic<assert_cmd[35418449b5f7a4b8]::assert::Assert> as core[6883ba1bc0fe4ed1]::ops::function::FnOnce<(assert_cmd[35418449b5f7a4b8]::assert::AssertError,)>>::call_once
[INFO] [stdout]                                at /rustc/6b3fa26749ab40e159b2dd5cf577acaaf5902772/library/core/src/ops/function.rs:250:5
[INFO] [stdout]   22:     0x5c98fa041dfb - <core[6883ba1bc0fe4ed1]::result::Result<assert_cmd[35418449b5f7a4b8]::assert::Assert, assert_cmd[35418449b5f7a4b8]::assert::AssertError>>::unwrap_or_else::<<assert_cmd[35418449b5f7a4b8]::assert::AssertError>::panic<assert_cmd[35418449b5f7a4b8]::assert::Assert>>
[INFO] [stdout]                                at /rustc/6b3fa26749ab40e159b2dd5cf577acaaf5902772/library/core/src/result.rs:1620:23
[INFO] [stdout]   23:     0x5c98f9e45014 - <assert_cmd[35418449b5f7a4b8]::assert::Assert>::stdout::<predicates[32cee55fc2d5e3e6]::ord::EqPredicate<&[u8]>, predicates[32cee55fc2d5e3e6]::ord::EqPredicate<&[u8]>>
[INFO] [stdout]                                at /opt/rustwide/cargo-home/registry/src/index.crates.io-1949cf8c6b5b557f/assert_cmd-2.0.11/src/assert.rs:364:31
[INFO] [stdout]   24:     0x5c98f9e4c803 - lib[ef69c164f1f8dd99]::head::run_stdin
[INFO] [stdout]                                at /opt/rustwide/workdir/tests/head/mod.rs:124:10
[INFO] [stdout]   25:     0x5c98f9e4c9db - lib[ef69c164f1f8dd99]::head::one_c1_stdin
[INFO] [stdout]                                at /opt/rustwide/workdir/tests/head/mod.rs:207:5
[INFO] [stdout]   26:     0x5c98f9e47547 - lib[ef69c164f1f8dd99]::head::one_c1_stdin::{closure#0}
[INFO] [stdout]                                at /opt/rustwide/workdir/tests/head/mod.rs:206:22
[INFO] [stdout]   27:     0x5c98f9e51e96 - <lib[ef69c164f1f8dd99]::head::one_c1_stdin::{closure#0} as core[6883ba1bc0fe4ed1]::ops::function::FnOnce<()>>::call_once
[INFO] [stdout]                                at /rustc/6b3fa26749ab40e159b2dd5cf577acaaf5902772/library/core/src/ops/function.rs:250:5
[INFO] [stdout]   28:     0x5c98f9e52f7b - <fn() -> core[6883ba1bc0fe4ed1]::result::Result<(), alloc[55a36b64bcbf2c0d]::string::String> as core[6883ba1bc0fe4ed1]::ops::function::FnOnce<()>>::call_once
[INFO] [stdout]                                at /rustc/6b3fa26749ab40e159b2dd5cf577acaaf5902772/library/core/src/ops/function.rs:250:5
[INFO] [stdout]   29:     0x5c98f9e52f7b - test[980ffaebd391d06d]::__rust_begin_short_backtrace::<core[6883ba1bc0fe4ed1]::result::Result<(), alloc[55a36b64bcbf2c0d]::string::String>, fn() -> core[6883ba1bc0fe4ed1]::result::Result<(), alloc[55a36b64bcbf2c0d]::string::String>>
[INFO] [stdout]                                at /rustc/6b3fa26749ab40e159b2dd5cf577acaaf5902772/library/test/src/lib.rs:724:18
[INFO] [stdout]   30:     0x5c98f9e605c5 - test[980ffaebd391d06d]::run_test_in_process::{closure#0}
[INFO] [stdout]                                at /rustc/6b3fa26749ab40e159b2dd5cf577acaaf5902772/library/test/src/lib.rs:747:74
[INFO] [stdout]   31:     0x5c98f9e605c5 - <core[6883ba1bc0fe4ed1]::panic::unwind_safe::AssertUnwindSafe<test[980ffaebd391d06d]::run_test_in_process::{closure#0}> as core[6883ba1bc0fe4ed1]::ops::function::FnOnce<()>>::call_once
[INFO] [stdout]                                at /rustc/6b3fa26749ab40e159b2dd5cf577acaaf5902772/library/core/src/panic/unwind_safe.rs:275:9
[INFO] [stdout]   32:     0x5c98f9e605c5 - std[73adb7dc35730857]::panicking::catch_unwind::do_call::<core[6883ba1bc0fe4ed1]::panic::unwind_safe::AssertUnwindSafe<test[980ffaebd391d06d]::run_test_in_process::{closure#0}>, core[6883ba1bc0fe4ed1]::result::Result<(), alloc[55a36b64bcbf2c0d]::string::String>>
[INFO] [stdout]                                at /rustc/6b3fa26749ab40e159b2dd5cf577acaaf5902772/library/std/src/panicking.rs:576:43
[INFO] [stdout]   33:     0x5c98f9e605c5 - std[73adb7dc35730857]::panicking::catch_unwind::<core[6883ba1bc0fe4ed1]::result::Result<(), alloc[55a36b64bcbf2c0d]::string::String>, core[6883ba1bc0fe4ed1]::panic::unwind_safe::AssertUnwindSafe<test[980ffaebd391d06d]::run_test_in_process::{closure#0}>>
[INFO] [stdout]                                at /rustc/6b3fa26749ab40e159b2dd5cf577acaaf5902772/library/std/src/panicking.rs:544:19
[INFO] [stdout]   34:     0x5c98f9e605c5 - std[73adb7dc35730857]::panic::catch_unwind::<core[6883ba1bc0fe4ed1]::panic::unwind_safe::AssertUnwindSafe<test[980ffaebd391d06d]::run_test_in_process::{closure#0}>, core[6883ba1bc0fe4ed1]::result::Result<(), alloc[55a36b64bcbf2c0d]::string::String>>
[INFO] [stdout]                                at /rustc/6b3fa26749ab40e159b2dd5cf577acaaf5902772/library/std/src/panic.rs:359:14
[INFO] [stdout]   35:     0x5c98f9e605c5 - test[980ffaebd391d06d]::run_test_in_process
[INFO] [stdout]                                at /rustc/6b3fa26749ab40e159b2dd5cf577acaaf5902772/library/test/src/lib.rs:747:27
[INFO] [stdout]   36:     0x5c98f9e605c5 - test[980ffaebd391d06d]::run_test::{closure#0}
[INFO] [stdout]                                at /rustc/6b3fa26749ab40e159b2dd5cf577acaaf5902772/library/test/src/lib.rs:668:43
[INFO] [stdout]   37:     0x5c98f9e5b074 - test[980ffaebd391d06d]::run_test::{closure#1}
[INFO] [stdout]                                at /rustc/6b3fa26749ab40e159b2dd5cf577acaaf5902772/library/test/src/lib.rs:698:41
[INFO] [stdout]   38:     0x5c98f9e5b074 - std[73adb7dc35730857]::sys::backtrace::__rust_begin_short_backtrace::<test[980ffaebd391d06d]::run_test::{closure#1}, ()>
[INFO] [stdout]                                at /rustc/6b3fa26749ab40e159b2dd5cf577acaaf5902772/library/std/src/sys/backtrace.rs:166:18
[INFO] [stdout]   39:     0x5c98f9e63712 - std[73adb7dc35730857]::thread::lifecycle::spawn_unchecked::<test[980ffaebd391d06d]::run_test::{closure#1}, ()>::{closure#1}::{closure#0}
[INFO] [stdout]                                at /rustc/6b3fa26749ab40e159b2dd5cf577acaaf5902772/library/std/src/thread/lifecycle.rs:70:13
[INFO] [stdout]   40:     0x5c98f9e63712 - <core[6883ba1bc0fe4ed1]::panic::unwind_safe::AssertUnwindSafe<std[73adb7dc35730857]::thread::lifecycle::spawn_unchecked<test[980ffaebd391d06d]::run_test::{closure#1}, ()>::{closure#1}::{closure#0}> as core[6883ba1bc0fe4ed1]::ops::function::FnOnce<()>>::call_once
[INFO] [stdout]                                at /rustc/6b3fa26749ab40e159b2dd5cf577acaaf5902772/library/core/src/panic/unwind_safe.rs:275:9
[INFO] [stdout]   41:     0x5c98f9e63712 - std[73adb7dc35730857]::panicking::catch_unwind::do_call::<core[6883ba1bc0fe4ed1]::panic::unwind_safe::AssertUnwindSafe<std[73adb7dc35730857]::thread::lifecycle::spawn_unchecked<test[980ffaebd391d06d]::run_test::{closure#1}, ()>::{closure#1}::{closure#0}>, ()>
[INFO] [stdout]                                at /rustc/6b3fa26749ab40e159b2dd5cf577acaaf5902772/library/std/src/panicking.rs:576:43
[INFO] [stdout]   42:     0x5c98f9e63712 - std[73adb7dc35730857]::panicking::catch_unwind::<(), core[6883ba1bc0fe4ed1]::panic::unwind_safe::AssertUnwindSafe<std[73adb7dc35730857]::thread::lifecycle::spawn_unchecked<test[980ffaebd391d06d]::run_test::{closure#1}, ()>::{closure#1}::{closure#0}>>
[INFO] [stdout]                                at /rustc/6b3fa26749ab40e159b2dd5cf577acaaf5902772/library/std/src/panicking.rs:544:19
[INFO] [stdout]   43:     0x5c98f9e63712 - std[73adb7dc35730857]::panic::catch_unwind::<core[6883ba1bc0fe4ed1]::panic::unwind_safe::AssertUnwindSafe<std[73adb7dc35730857]::thread::lifecycle::spawn_unchecked<test[980ffaebd391d06d]::run_test::{closure#1}, ()>::{closure#1}::{closure#0}>, ()>
[INFO] [stdout]                                at /rustc/6b3fa26749ab40e159b2dd5cf577acaaf5902772/library/std/src/panic.rs:359:14
[INFO] [stdout]   44:     0x5c98f9e63712 - std[73adb7dc35730857]::thread::lifecycle::spawn_unchecked::<test[980ffaebd391d06d]::run_test::{closure#1}, ()>::{closure#1}
[INFO] [stdout]                                at /rustc/6b3fa26749ab40e159b2dd5cf577acaaf5902772/library/std/src/thread/lifecycle.rs:68:26
[INFO] [stdout]   45:     0x5c98f9e63712 - <std[73adb7dc35730857]::thread::lifecycle::spawn_unchecked<test[980ffaebd391d06d]::run_test::{closure#1}, ()>::{closure#1} as core[6883ba1bc0fe4ed1]::ops::function::FnOnce<()>>::call_once::{shim:vtable#0}
[INFO] [stdout]                                at /rustc/6b3fa26749ab40e159b2dd5cf577acaaf5902772/library/core/src/ops/function.rs:250:5
[INFO] [stdout]   46:     0x5c98fa0d44af - <alloc[55a36b64bcbf2c0d]::boxed::Box<dyn core[6883ba1bc0fe4ed1]::ops::function::FnOnce<(), Output = ()> + core[6883ba1bc0fe4ed1]::marker::Send> as core[6883ba1bc0fe4ed1]::ops::function::FnOnce<()>>::call_once
[INFO] [stdout]                                at /rustc/6b3fa26749ab40e159b2dd5cf577acaaf5902772/library/alloc/src/boxed.rs:2319:9
[INFO] [stdout]   47:     0x5c98fa0d44af - <std[73adb7dc35730857]::sys::thread::unix::Thread>::new::thread_start
[INFO] [stdout]                                at /rustc/6b3fa26749ab40e159b2dd5cf577acaaf5902772/library/std/src/sys/thread/unix.rs:123:17
[INFO] [stdout]   48:     0x718092357aa4 - <unknown>
[INFO] [stdout]   49:     0x7180923e4a64 - clone
[INFO] [stdout]   50:                0x0 - <unknown>
[INFO] [stdout] 
[INFO] [stdout] ---- head::empty stdout ----
[INFO] [stdout] 
[INFO] [stdout] thread 'head::empty' (3133) panicked at /rustc/6b3fa26749ab40e159b2dd5cf577acaaf5902772/library/core/src/ops/function.rs:250:5:
[INFO] [stdout] Unexpected failure.
[INFO] [stdout] code-101
[INFO] [stdout] stderr=```<90 lines total>
[INFO] [stdout] ```
[INFO] [stdout] 
[INFO] [stdout] thread \'main\' (3136) panicked at /opt/rustwide/cargo-home/registry/src/index.crates.io-1949cf8c6b5b557f/clap-3.2.25/src/parser/matches/arg_matches.rs:547:22:
[INFO] [stdout] Must use `Arg::allow_invalid_utf8` with `_os` lookups at `files`
[INFO] [stdout] stack backtrace:
[INFO] [stdout]    0:     0x5c1614ae9601 - std[73adb7dc35730857]::backtrace_rs::backtrace::libunwind::trace
[INFO] [stdout]                                at /rustc/6b3fa26749ab40e159b2dd5cf577acaaf5902772/library/std/src/../../backtrace/src/backtrace/libunwind.rs:117:9
[INFO] [stdout]    1:     0x5c1614ae9601 - std[73adb7dc35730857]::backtrace_rs::backtrace::trace_unsynchronized::<std[73adb7dc35730857]::sys::backtrace::_print_fmt::{closure#1}>
[INFO] [stdout]                                at /rustc/6b3fa26749ab40e159b2dd5cf577acaaf5902772/library/std/src/../../backtrace/src/backtrace/mod.rs:66:14
[INFO] [stdout]    2:     0x5c1614ae9601 - std[73adb7dc35730857]::sys::backtrace::_print_fmt
[INFO] [stdout]                                at /rustc/6b3fa26749ab40e159b2dd5cf577acaaf5902772/library/std/src/sys/backtrace.rs:74:9
[INFO] [stdout]    3:     0x5c1614ae9601 - <<std[73adb7dc35730857]::sys::backtrace::BacktraceLock>::print::DisplayBacktrace as core[6883ba1bc0fe4ed1]::fmt::Display>::fmt
[INFO] [stdout]                                at /rustc/6b3fa26749ab40e159b2dd5cf577acaaf5902772/library/std/src/sys/backtrace.rs:44:26
[INFO] [stdout]    4:     0x5c1614afd28a - <core[6883ba1bc0fe4ed1]::fmt::rt::Argument>::fmt
[INFO] [stdout]                                at /rustc/6b3fa26749ab40e159b2dd5cf577acaaf5902772/library/core/src/fmt/rt.rs:152:76
[INFO] [stdout]    5:     0x5c1614afd28a - core[6883ba1bc0fe4ed1]::fmt::write
[INFO] [stdout]    6:     0x5c1614aeecec - std[73adb7dc35730857]::io::default_write_fmt::<std[73adb7dc35730857]::sys::stdio::unix::Stderr>
[INFO] [stdout]                                at /rustc/6b3fa26749ab40e159b2dd5cf577acaaf5902772/library/std/src/io/mod.rs:626:11
[INFO] [stdout]    7:     0x5c1614aeecec - <std[73adb7dc35730857]::sys::stdio::unix::Stderr as std[73adb7dc35730857]::io::Write>::write_fmt
[INFO] [stdout]                                at /rustc/6b3fa26749ab40e159b2dd5cf577acaaf5902772/library/std/src/io/mod.rs:1730:13
[INFO] [stdout]    8:     0x5c1614ad3e16 - <std[73adb7dc35730857]::sys::backtrace::BacktraceLock>::print
[INFO] [stdout] ```
[INFO] [stdout] <30 lines omitted>
[INFO] [stdout] ```
[INFO] [stdout]                                at /rustc/6b3fa26749ab40e159b2dd5cf577acaaf5902772/library/alloc/src/vec/mod.rs:3941:9
[INFO] [stdout]   24:     0x5c161498308e - <core[6883ba1bc0fe4ed1]::iter::adapters::map::Map<core[6883ba1bc0fe4ed1]::iter::adapters::flatten::Flatten<core[6883ba1bc0fe4ed1]::slice::iter::Iter<alloc[55a36b64bcbf2c0d]::vec::Vec<clap[965b0170b9d3cf34]::parser::matches::any_value::AnyValue>>>, <clap[965b0170b9d3cf34]::parser::matches::arg_matches::ArgMatches>::values_of_lossy<&str>::{closure#0}> as core[6883ba1bc0fe4ed1]::iter::traits::iterator::Iterator>::collect::<alloc[55a36b64bcbf2c0d]::vec::Vec<alloc[55a36b64bcbf2c0d]::string::String>>
[INFO] [stdout]                                at /rustc/6b3fa26749ab40e159b2dd5cf577acaaf5902772/library/core/src/iter/traits/iterator.rs:2090:9
[INFO] [stdout]   25:     0x5c161497d166 - <clap[965b0170b9d3cf34]::parser::matches::arg_matches::ArgMatches>::values_of_lossy::<&str>
[INFO] [stdout]                                at /opt/rustwide/cargo-home/registry/src/index.crates.io-1949cf8c6b5b557f/clap-3.2.25/src/parser/matches/arg_matches.rs:548:14
[INFO] [stdout]   26:     0x5c161498718b - command_line_rust[2a7d65b3375657d0]::head::get_args
[INFO] [stdout]                                at /opt/rustwide/workdir/src/head/mod.rs:92:24
[INFO] [stdout]   27:     0x5c161497cad2 - head[5f62c2f9cff836a0]::main
[INFO] [stdout]                                at /opt/rustwide/workdir/src/head/main.rs:4:21
[INFO] [stdout]   28:     0x5c161497cbeb - <fn() as core[6883ba1bc0fe4ed1]::ops::function::FnOnce<()>>::call_once
[INFO] [stdout]                                at /rustc/6b3fa26749ab40e159b2dd5cf577acaaf5902772/library/core/src/ops/function.rs:250:5
[INFO] [stdout]   29:     0x5c161497ca5e - std[73adb7dc35730857]::sys::backtrace::__rust_begin_short_backtrace::<fn(), ()>
[INFO] [stdout]                                at /rustc/6b3fa26749ab40e159b2dd5cf577acaaf5902772/library/std/src/sys/backtrace.rs:166:18
[INFO] [stdout]   30:     0x5c161497ca81 - std[73adb7dc35730857]::rt::lang_start::<()>::{closure#0}
[INFO] [stdout]                                at /rustc/6b3fa26749ab40e159b2dd5cf577acaaf5902772/library/std/src/rt.rs:206:18
[INFO] [stdout]   31:     0x5c1614ae4547 - <&dyn core[6883ba1bc0fe4ed1]::ops::function::Fn<(), Output = i32> + core[6883ba1bc0fe4ed1]::panic::unwind_safe::RefUnwindSafe + core[6883ba1bc0fe4ed1]::marker::Sync as core[6883ba1bc0fe4ed1]::ops::function::FnOnce<()>>::call_once
[INFO] [stdout]                                at /rustc/6b3fa26749ab40e159b2dd5cf577acaaf5902772/library/core/src/ops/function.rs:287:21
[INFO] [stdout]   32:     0x5c1614ae4547 - std[73adb7dc35730857]::panicking::catch_unwind::do_call::<&dyn core[6883ba1bc0fe4ed1]::ops::function::Fn<(), Output = i32> + core[6883ba1bc0fe4ed1]::panic::unwind_safe::RefUnwindSafe + core[6883ba1bc0fe4ed1]::marker::Sync, i32>
[INFO] [stdout]                                at /rustc/6b3fa26749ab40e159b2dd5cf577acaaf5902772/library/std/src/panicking.rs:576:43
[INFO] [stdout]   33:     0x5c1614ae4547 - std[73adb7dc35730857]::panicking::catch_unwind::<i32, &dyn core[6883ba1bc0fe4ed1]::ops::function::Fn<(), Output = i32> + core[6883ba1bc0fe4ed1]::panic::unwind_safe::RefUnwindSafe + core[6883ba1bc0fe4ed1]::marker::Sync>
[INFO] [stdout]                                at /rustc/6b3fa26749ab40e159b2dd5cf577acaaf5902772/library/std/src/panicking.rs:544:19
[INFO] [stdout]   34:     0x5c1614ae4547 - std[73adb7dc35730857]::panic::catch_unwind::<&dyn core[6883ba1bc0fe4ed1]::ops::function::Fn<(), Output = i32> + core[6883ba1bc0fe4ed1]::panic::unwind_safe::RefUnwindSafe + core[6883ba1bc0fe4ed1]::marker::Sync, i32>
[INFO] [stdout]                                at /rustc/6b3fa26749ab40e159b2dd5cf577acaaf5902772/library/std/src/panic.rs:359:14
[INFO] [stdout]   35:     0x5c1614ae4547 - std[73adb7dc35730857]::rt::lang_start_internal::{closure#0}
[INFO] [stdout]                                at /rustc/6b3fa26749ab40e159b2dd5cf577acaaf5902772/library/std/src/rt.rs:175:24
[INFO] [stdout]   36:     0x5c1614ae4547 - std[73adb7dc35730857]::panicking::catch_unwind::do_call::<std[73adb7dc35730857]::rt::lang_start_internal::{closure#0}, isize>
[INFO] [stdout]                                at /rustc/6b3fa26749ab40e159b2dd5cf577acaaf5902772/library/std/src/panicking.rs:576:43
[INFO] [stdout]   37:     0x5c1614ae4547 - std[73adb7dc35730857]::panicking::catch_unwind::<isize, std[73adb7dc35730857]::rt::lang_start_internal::{closure#0}>
[INFO] [stdout]                                at /rustc/6b3fa26749ab40e159b2dd5cf577acaaf5902772/library/std/src/panicking.rs:544:19
[INFO] [stdout]   38:     0x5c1614ae4547 - std[73adb7dc35730857]::panic::catch_unwind::<std[73adb7dc35730857]::rt::lang_start_internal::{closure#0}, isize>
[INFO] [stdout]                                at /rustc/6b3fa26749ab40e159b2dd5cf577acaaf5902772/library/std/src/panic.rs:359:14
[INFO] [stdout]   39:     0x5c1614ae4547 - std[73adb7dc35730857]::rt::lang_start_internal
[INFO] [stdout]                                at /rustc/6b3fa26749ab40e159b2dd5cf577acaaf5902772/library/std/src/rt.rs:171:5
[INFO] [stdout]   40:     0x5c161497ca47 - std[73adb7dc35730857]::rt::lang_start::<()>
[INFO] [stdout]                                at /rustc/6b3fa26749ab40e159b2dd5cf577acaaf5902772/library/std/src/rt.rs:205:5
[INFO] [stdout]   41:     0x5c161497cc7e - main
[INFO] [stdout]   42:     0x778b49d1f1ca - <unknown>
[INFO] [stdout]   43:     0x778b49d1f28b - __libc_start_main
[INFO] [stdout]   44:     0x5c161497c8a5 - _start
[INFO] [stdout]   45:                0x0 - <unknown>
[INFO] [stdout] ```
[INFO] [stdout] ```
[INFO] [stdout] command=`"/opt/rustwide/target/debug/head" "tests/head/inputs/empty.txt"`
[INFO] [stdout] code=101
[INFO] [stdout] stdout=""
[INFO] [stdout] stderr=<90 lines total>
[INFO] [stdout] ```
[INFO] [stdout] 
[INFO] [stdout] thread \'main\' (3136) panicked at /opt/rustwide/cargo-home/registry/src/index.crates.io-1949cf8c6b5b557f/clap-3.2.25/src/parser/matches/arg_matches.rs:547:22:
[INFO] [stdout] Must use `Arg::allow_invalid_utf8` with `_os` lookups at `files`
[INFO] [stdout] stack backtrace:
[INFO] [stdout]    0:     0x5c1614ae9601 - std[73adb7dc35730857]::backtrace_rs::backtrace::libunwind::trace
[INFO] [stdout]                                at /rustc/6b3fa26749ab40e159b2dd5cf577acaaf5902772/library/std/src/../../backtrace/src/backtrace/libunwind.rs:117:9
[INFO] [stdout]    1:     0x5c1614ae9601 - std[73adb7dc35730857]::backtrace_rs::backtrace::trace_unsynchronized::<std[73adb7dc35730857]::sys::backtrace::_print_fmt::{closure#1}>
[INFO] [stdout]                                at /rustc/6b3fa26749ab40e159b2dd5cf577acaaf5902772/library/std/src/../../backtrace/src/backtrace/mod.rs:66:14
[INFO] [stdout]    2:     0x5c1614ae9601 - std[73adb7dc35730857]::sys::backtrace::_print_fmt
[INFO] [stdout]                                at /rustc/6b3fa26749ab40e159b2dd5cf577acaaf5902772/library/std/src/sys/backtrace.rs:74:9
[INFO] [stdout]    3:     0x5c1614ae9601 - <<std[73adb7dc35730857]::sys::backtrace::BacktraceLock>::print::DisplayBacktrace as core[6883ba1bc0fe4ed1]::fmt::Display>::fmt
[INFO] [stdout]                                at /rustc/6b3fa26749ab40e159b2dd5cf577acaaf5902772/library/std/src/sys/backtrace.rs:44:26
[INFO] [stdout]    4:     0x5c1614afd28a - <core[6883ba1bc0fe4ed1]::fmt::rt::Argument>::fmt
[INFO] [stdout]                                at /rustc/6b3fa26749ab40e159b2dd5cf577acaaf5902772/library/core/src/fmt/rt.rs:152:76
[INFO] [stdout]    5:     0x5c1614afd28a - core[6883ba1bc0fe4ed1]::fmt::write
[INFO] [stdout]    6:     0x5c1614aeecec - std[73adb7dc35730857]::io::default_write_fmt::<std[73adb7dc35730857]::sys::stdio::unix::Stderr>
[INFO] [stdout]                                at /rustc/6b3fa26749ab40e159b2dd5cf577acaaf5902772/library/std/src/io/mod.rs:626:11
[INFO] [stdout]    7:     0x5c1614aeecec - <std[73adb7dc35730857]::sys::stdio::unix::Stderr as std[73adb7dc35730857]::io::Write>::write_fmt
[INFO] [stdout]                                at /rustc/6b3fa26749ab40e159b2dd5cf577acaaf5902772/library/std/src/io/mod.rs:1730:13
[INFO] [stdout]    8:     0x5c1614ad3e16 - <std[73adb7dc35730857]::sys::backtrace::BacktraceLock>::print
[INFO] [stdout] ```
[INFO] [stdout] <30 lines omitted>
[INFO] [stdout] ```
[INFO] [stdout]                                at /rustc/6b3fa26749ab40e159b2dd5cf577acaaf5902772/library/alloc/src/vec/mod.rs:3941:9
[INFO] [stdout]   24:     0x5c161498308e - <core[6883ba1bc0fe4ed1]::iter::adapters::map::Map<core[6883ba1bc0fe4ed1]::iter::adapters::flatten::Flatten<core[6883ba1bc0fe4ed1]::slice::iter::Iter<alloc[55a36b64bcbf2c0d]::vec::Vec<clap[965b0170b9d3cf34]::parser::matches::any_value::AnyValue>>>, <clap[965b0170b9d3cf34]::parser::matches::arg_matches::ArgMatches>::values_of_lossy<&str>::{closure#0}> as core[6883ba1bc0fe4ed1]::iter::traits::iterator::Iterator>::collect::<alloc[55a36b64bcbf2c0d]::vec::Vec<alloc[55a36b64bcbf2c0d]::string::String>>
[INFO] [stdout]                                at /rustc/6b3fa26749ab40e159b2dd5cf577acaaf5902772/library/core/src/iter/traits/iterator.rs:2090:9
[INFO] [stdout]   25:     0x5c161497d166 - <clap[965b0170b9d3cf34]::parser::matches::arg_matches::ArgMatches>::values_of_lossy::<&str>
[INFO] [stdout]                                at /opt/rustwide/cargo-home/registry/src/index.crates.io-1949cf8c6b5b557f/clap-3.2.25/src/parser/matches/arg_matches.rs:548:14
[INFO] [stdout]   26:     0x5c161498718b - command_line_rust[2a7d65b3375657d0]::head::get_args
[INFO] [stdout]                                at /opt/rustwide/workdir/src/head/mod.rs:92:24
[INFO] [stdout]   27:     0x5c161497cad2 - head[5f62c2f9cff836a0]::main
[INFO] [stdout]                                at /opt/rustwide/workdir/src/head/main.rs:4:21
[INFO] [stdout]   28:     0x5c161497cbeb - <fn() as core[6883ba1bc0fe4ed1]::ops::function::FnOnce<()>>::call_once
[INFO] [stdout]                                at /rustc/6b3fa26749ab40e159b2dd5cf577acaaf5902772/library/core/src/ops/function.rs:250:5
[INFO] [stdout]   29:     0x5c161497ca5e - std[73adb7dc35730857]::sys::backtrace::__rust_begin_short_backtrace::<fn(), ()>
[INFO] [stdout]                                at /rustc/6b3fa26749ab40e159b2dd5cf577acaaf5902772/library/std/src/sys/backtrace.rs:166:18
[INFO] [stdout]   30:     0x5c161497ca81 - std[73adb7dc35730857]::rt::lang_start::<()>::{closure#0}
[INFO] [stdout]                                at /rustc/6b3fa26749ab40e159b2dd5cf577acaaf5902772/library/std/src/rt.rs:206:18
[INFO] [stdout]   31:     0x5c1614ae4547 - <&dyn core[6883ba1bc0fe4ed1]::ops::function::Fn<(), Output = i32> + core[6883ba1bc0fe4ed1]::panic::unwind_safe::RefUnwindSafe + core[6883ba1bc0fe4ed1]::marker::Sync as core[6883ba1bc0fe4ed1]::ops::function::FnOnce<()>>::call_once
[INFO] [stdout]                                at /rustc/6b3fa26749ab40e159b2dd5cf577acaaf5902772/library/core/src/ops/function.rs:287:21
[INFO] [stdout]   32:     0x5c1614ae4547 - std[73adb7dc35730857]::panicking::catch_unwind::do_call::<&dyn core[6883ba1bc0fe4ed1]::ops::function::Fn<(), Output = i32> + core[6883ba1bc0fe4ed1]::panic::unwind_safe::RefUnwindSafe + core[6883ba1bc0fe4ed1]::marker::Sync, i32>
[INFO] [stdout]                                at /rustc/6b3fa26749ab40e159b2dd5cf577acaaf5902772/library/std/src/panicking.rs:576:43
[INFO] [stdout]   33:     0x5c1614ae4547 - std[73adb7dc35730857]::panicking::catch_unwind::<i32, &dyn core[6883ba1bc0fe4ed1]::ops::function::Fn<(), Output = i32> + core[6883ba1bc0fe4ed1]::panic::unwind_safe::RefUnwindSafe + core[6883ba1bc0fe4ed1]::marker::Sync>
[INFO] [stdout]                                at /rustc/6b3fa26749ab40e159b2dd5cf577acaaf5902772/library/std/src/panicking.rs:544:19
[INFO] [stdout]   34:     0x5c1614ae4547 - std[73adb7dc35730857]::panic::catch_unwind::<&dyn core[6883ba1bc0fe4ed1]::ops::function::Fn<(), Output = i32> + core[6883ba1bc0fe4ed1]::panic::unwind_safe::RefUnwindSafe + core[6883ba1bc0fe4ed1]::marker::Sync, i32>
[INFO] [stdout]                                at /rustc/6b3fa26749ab40e159b2dd5cf577acaaf5902772/library/std/src/panic.rs:359:14
[INFO] [stdout]   35:     0x5c1614ae4547 - std[73adb7dc35730857]::rt::lang_start_internal::{closure#0}
[INFO] [stdout]                                at /rustc/6b3fa26749ab40e159b2dd5cf577acaaf5902772/library/std/src/rt.rs:175:24
[INFO] [stdout]   36:     0x5c1614ae4547 - std[73adb7dc35730857]::panicking::catch_unwind::do_call::<std[73adb7dc35730857]::rt::lang_start_internal::{closure#0}, isize>
[INFO] [stdout]                                at /rustc/6b3fa26749ab40e159b2dd5cf577acaaf5902772/library/std/src/panicking.rs:576:43
[INFO] [stdout]   37:     0x5c1614ae4547 - std[73adb7dc35730857]::panicking::catch_unwind::<isize, std[73adb7dc35730857]::rt::lang_start_internal::{closure#0}>
[INFO] [stdout]                                at /rustc/6b3fa26749ab40e159b2dd5cf577acaaf5902772/library/std/src/panicking.rs:544:19
[INFO] [stdout]   38:     0x5c1614ae4547 - std[73adb7dc35730857]::panic::catch_unwind::<std[73adb7dc35730857]::rt::lang_start_internal::{closure#0}, isize>
[INFO] [stdout]                                at /rustc/6b3fa26749ab40e159b2dd5cf577acaaf5902772/library/std/src/panic.rs:359:14
[INFO] [stdout]   39:     0x5c1614ae4547 - std[73adb7dc35730857]::rt::lang_start_internal
[INFO] [stdout]                                at /rustc/6b3fa26749ab40e159b2dd5cf577acaaf5902772/library/std/src/rt.rs:171:5
[INFO] [stdout]   40:     0x5c161497ca47 - std[73adb7dc35730857]::rt::lang_start::<()>
[INFO] [stdout]                                at /rustc/6b3fa26749ab40e159b2dd5cf577acaaf5902772/library/std/src/rt.rs:205:5
[INFO] [stdout]   41:     0x5c161497cc7e - main
[INFO] [stdout]   42:     0x778b49d1f1ca - <unknown>
[INFO] [stdout]   43:     0x778b49d1f28b - __libc_start_main
[INFO] [stdout]   44:     0x5c161497c8a5 - _start
[INFO] [stdout]   45:                0x0 - <unknown>
[INFO] [stdout] ```
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] stack backtrace:
[INFO] [stdout]    0:     0x5c98fa0d5011 - std[73adb7dc35730857]::backtrace_rs::backtrace::libunwind::trace
[INFO] [stdout]                                at /rustc/6b3fa26749ab40e159b2dd5cf577acaaf5902772/library/std/src/../../backtrace/src/backtrace/libunwind.rs:117:9
[INFO] [stdout]    1:     0x5c98fa0d5011 - std[73adb7dc35730857]::backtrace_rs::backtrace::trace_unsynchronized::<std[73adb7dc35730857]::sys::backtrace::_print_fmt::{closure#1}>
[INFO] [stdout]                                at /rustc/6b3fa26749ab40e159b2dd5cf577acaaf5902772/library/std/src/../../backtrace/src/backtrace/mod.rs:66:14
[INFO] [stdout]    2:     0x5c98fa0d5011 - std[73adb7dc35730857]::sys::backtrace::_print_fmt
[INFO] [stdout]                                at /rustc/6b3fa26749ab40e159b2dd5cf577acaaf5902772/library/std/src/sys/backtrace.rs:74:9
[INFO] [stdout]    3:     0x5c98fa0d5011 - <<std[73adb7dc35730857]::sys::backtrace::BacktraceLock>::print::DisplayBacktrace as core[6883ba1bc0fe4ed1]::fmt::Display>::fmt
[INFO] [stdout]                                at /rustc/6b3fa26749ab40e159b2dd5cf577acaaf5902772/library/std/src/sys/backtrace.rs:44:26
[INFO] [stdout]    4:     0x5c98fa0eb71a - <core[6883ba1bc0fe4ed1]::fmt::rt::Argument>::fmt
[INFO] [stdout]                                at /rustc/6b3fa26749ab40e159b2dd5cf577acaaf5902772/library/core/src/fmt/rt.rs:152:76
[INFO] [stdout]    5:     0x5c98fa0eb71a - core[6883ba1bc0fe4ed1]::fmt::write
[INFO] [stdout]    6:     0x5c98fa0da99c - std[73adb7dc35730857]::io::default_write_fmt::<alloc[55a36b64bcbf2c0d]::vec::Vec<u8>>
[INFO] [stdout]                                at /rustc/6b3fa26749ab40e159b2dd5cf577acaaf5902772/library/std/src/io/mod.rs:626:11
[INFO] [stdout]    7:     0x5c98fa0da99c - <alloc[55a36b64bcbf2c0d]::vec::Vec<u8> as std[73adb7dc35730857]::io::Write>::write_fmt
[INFO] [stdout]                                at /rustc/6b3fa26749ab40e159b2dd5cf577acaaf5902772/library/std/src/io/mod.rs:1730:13
[INFO] [stdout]    8:     0x5c98fa0b2986 - <std[73adb7dc35730857]::sys::backtrace::BacktraceLock>::print
[INFO] [stdout]                                at /rustc/6b3fa26749ab40e159b2dd5cf577acaaf5902772/library/std/src/sys/backtrace.rs:47:9
[INFO] [stdout]    9:     0x5c98fa0b2986 - std[73adb7dc35730857]::panicking::default_hook::{closure#0}
[INFO] [stdout]                                at /rustc/6b3fa26749ab40e159b2dd5cf577acaaf5902772/library/std/src/panicking.rs:292:27
[INFO] [stdout]   10:     0x5c98fa0ccd09 - std[73adb7dc35730857]::panicking::default_hook
[INFO] [stdout]                                at /rustc/6b3fa26749ab40e159b2dd5cf577acaaf5902772/library/std/src/panicking.rs:316:9
[INFO] [stdout]   11:     0x5c98f9e5fc40 - <alloc[55a36b64bcbf2c0d]::boxed::Box<dyn for<'a, 'b> core[6883ba1bc0fe4ed1]::ops::function::Fn<(&'a std[73adb7dc35730857]::panic::PanicHookInfo<'b>,), Output = ()> + core[6883ba1bc0fe4ed1]::marker::Send + core[6883ba1bc0fe4ed1]::marker::Sync> as core[6883ba1bc0fe4ed1]::ops::function::Fn<(&std[73adb7dc35730857]::panic::PanicHookInfo,)>>::call
[INFO] [stdout]                                at /rustc/6b3fa26749ab40e159b2dd5cf577acaaf5902772/library/alloc/src/boxed.rs:2333:9
[INFO] [stdout]   12:     0x5c98f9e5fc40 - test[980ffaebd391d06d]::test_main_inner::<test[980ffaebd391d06d]::test_main_static::{closure#0}>::{closure#0}
[INFO] [stdout]                                at /rustc/6b3fa26749ab40e159b2dd5cf577acaaf5902772/library/test/src/lib.rs:155:21
[INFO] [stdout]   13:     0x5c98fa0ccec2 - <alloc[55a36b64bcbf2c0d]::boxed::Box<dyn for<'a, 'b> core[6883ba1bc0fe4ed1]::ops::function::Fn<(&'a std[73adb7dc35730857]::panic::PanicHookInfo<'b>,), Output = ()> + core[6883ba1bc0fe4ed1]::marker::Send + core[6883ba1bc0fe4ed1]::marker::Sync> as core[6883ba1bc0fe4ed1]::ops::function::Fn<(&std[73adb7dc35730857]::panic::PanicHookInfo,)>>::call
[INFO] [stdout]                                at /rustc/6b3fa26749ab40e159b2dd5cf577acaaf5902772/library/alloc/src/boxed.rs:2333:9
[INFO] [stdout]   14:     0x5c98fa0ccec2 - std[73adb7dc35730857]::panicking::panic_with_hook
[INFO] [stdout]                                at /rustc/6b3fa26749ab40e159b2dd5cf577acaaf5902772/library/std/src/panicking.rs:823:13
[INFO] [stdout]   15:     0x5c98fa0b2a32 - std[73adb7dc35730857]::panicking::panic_handler::{closure#0}
[INFO] [stdout]                                at /rustc/6b3fa26749ab40e159b2dd5cf577acaaf5902772/library/std/src/panicking.rs:688:13
[INFO] [stdout]   16:     0x5c98fa0aa1d9 - std[73adb7dc35730857]::sys::backtrace::__rust_end_short_backtrace::<std[73adb7dc35730857]::panicking::panic_handler::{closure#0}, !>
[INFO] [stdout]                                at /rustc/6b3fa26749ab40e159b2dd5cf577acaaf5902772/library/std/src/sys/backtrace.rs:182:18
[INFO] [stdout]   17:     0x5c98fa0b362d - __rustc[a7b7b02e776dd976]::rust_begin_unwind
[INFO] [stdout]                                at /rustc/6b3fa26749ab40e159b2dd5cf577acaaf5902772/library/std/src/panicking.rs:679:5
[INFO] [stdout]   18:     0x5c98fa0ebf9c - core[6883ba1bc0fe4ed1]::panicking::panic_fmt
[INFO] [stdout]                                at /rustc/6b3fa26749ab40e159b2dd5cf577acaaf5902772/library/core/src/panicking.rs:80:14
[INFO] [stdout]   19:     0x5c98fa03b8b8 - core[6883ba1bc0fe4ed1]::panicking::panic_display::<assert_cmd[35418449b5f7a4b8]::assert::AssertError>
[INFO] [stdout]                                at /rustc/6b3fa26749ab40e159b2dd5cf577acaaf5902772/library/core/src/panicking.rs:259:5
[INFO] [stdout]   20:     0x5c98fa0426c7 - <assert_cmd[35418449b5f7a4b8]::assert::AssertError>::panic::<assert_cmd[35418449b5f7a4b8]::assert::Assert>
[INFO] [stdout]                                at /opt/rustwide/cargo-home/registry/src/index.crates.io-1949cf8c6b5b557f/assert_cmd-2.0.11/src/assert.rs:1033:9
[INFO] [stdout]   21:     0x5c98fa038947 - <<assert_cmd[35418449b5f7a4b8]::assert::AssertError>::panic<assert_cmd[35418449b5f7a4b8]::assert::Assert> as core[6883ba1bc0fe4ed1]::ops::function::FnOnce<(assert_cmd[35418449b5f7a4b8]::assert::AssertError,)>>::call_once
[INFO] [stdout]                                at /rustc/6b3fa26749ab40e159b2dd5cf577acaaf5902772/library/core/src/ops/function.rs:250:5
[INFO] [stdout]   22:     0x5c98fa041dfb - <core[6883ba1bc0fe4ed1]::result::Result<assert_cmd[35418449b5f7a4b8]::assert::Assert, assert_cmd[35418449b5f7a4b8]::assert::AssertError>>::unwrap_or_else::<<assert_cmd[35418449b5f7a4b8]::assert::AssertError>::panic<assert_cmd[35418449b5f7a4b8]::assert::Assert>>
[INFO] [stdout]                                at /rustc/6b3fa26749ab40e159b2dd5cf577acaaf5902772/library/core/src/result.rs:1620:23
[INFO] [stdout]   23:     0x5c98fa0442a0 - <assert_cmd[35418449b5f7a4b8]::assert::Assert>::success
[INFO] [stdout]                                at /opt/rustwide/cargo-home/registry/src/index.crates.io-1949cf8c6b5b557f/assert_cmd-2.0.11/src/assert.rs:158:28
[INFO] [stdout]   24:     0x5c98f9e4c073 - lib[ef69c164f1f8dd99]::head::run
[INFO] [stdout]                                at /opt/rustwide/workdir/tests/head/mod.rs:105:10
[INFO] [stdout]   25:     0x5c98f9e4defe - lib[ef69c164f1f8dd99]::head::empty
[INFO] [stdout]                                at /opt/rustwide/workdir/tests/head/mod.rs:132:5
[INFO] [stdout]   26:     0x5c98f9e47ae7 - lib[ef69c164f1f8dd99]::head::empty::{closure#0}
[INFO] [stdout]                                at /opt/rustwide/workdir/tests/head/mod.rs:131:15
[INFO] [stdout]   27:     0x5c98f9e52616 - <lib[ef69c164f1f8dd99]::head::empty::{closure#0} as core[6883ba1bc0fe4ed1]::ops::function::FnOnce<()>>::call_once
[INFO] [stdout]                                at /rustc/6b3fa26749ab40e159b2dd5cf577acaaf5902772/library/core/src/ops/function.rs:250:5
[INFO] [stdout]   28:     0x5c98f9e52f7b - <fn() -> core[6883ba1bc0fe4ed1]::result::Result<(), alloc[55a36b64bcbf2c0d]::string::String> as core[6883ba1bc0fe4ed1]::ops::function::FnOnce<()>>::call_once
[INFO] [stdout]                                at /rustc/6b3fa26749ab40e159b2dd5cf577acaaf5902772/library/core/src/ops/function.rs:250:5
[INFO] [stdout]   29:     0x5c98f9e52f7b - test[980ffaebd391d06d]::__rust_begin_short_backtrace::<core[6883ba1bc0fe4ed1]::result::Result<(), alloc[55a36b64bcbf2c0d]::string::String>, fn() -> core[6883ba1bc0fe4ed1]::result::Result<(), alloc[55a36b64bcbf2c0d]::string::String>>
[INFO] [stdout]                                at /rustc/6b3fa26749ab40e159b2dd5cf577acaaf5902772/library/test/src/lib.rs:724:18
[INFO] [stdout]   30:     0x5c98f9e605c5 - test[980ffaebd391d06d]::run_test_in_process::{closure#0}
[INFO] [stdout]                                at /rustc/6b3fa26749ab40e159b2dd5cf577acaaf5902772/library/test/src/lib.rs:747:74
[INFO] [stdout]   31:     0x5c98f9e605c5 - <core[6883ba1bc0fe4ed1]::panic::unwind_safe::AssertUnwindSafe<test[980ffaebd391d06d]::run_test_in_process::{closure#0}> as core[6883ba1bc0fe4ed1]::ops::function::FnOnce<()>>::call_once
[INFO] [stdout]                                at /rustc/6b3fa26749ab40e159b2dd5cf577acaaf5902772/library/core/src/panic/unwind_safe.rs:275:9
[INFO] [stdout]   32:     0x5c98f9e605c5 - std[73adb7dc35730857]::panicking::catch_unwind::do_call::<core[6883ba1bc0fe4ed1]::panic::unwind_safe::AssertUnwindSafe<test[980ffaebd391d06d]::run_test_in_process::{closure#0}>, core[6883ba1bc0fe4ed1]::result::Result<(), alloc[55a36b64bcbf2c0d]::string::String>>
[INFO] [stdout]                                at /rustc/6b3fa26749ab40e159b2dd5cf577acaaf5902772/library/std/src/panicking.rs:576:43
[INFO] [stdout]   33:     0x5c98f9e605c5 - std[73adb7dc35730857]::panicking::catch_unwind::<core[6883ba1bc0fe4ed1]::result::Result<(), alloc[55a36b64bcbf2c0d]::string::String>, core[6883ba1bc0fe4ed1]::panic::unwind_safe::AssertUnwindSafe<test[980ffaebd391d06d]::run_test_in_process::{closure#0}>>
[INFO] [stdout]                                at /rustc/6b3fa26749ab40e159b2dd5cf577acaaf5902772/library/std/src/panicking.rs:544:19
[INFO] [stdout]   34:     0x5c98f9e605c5 - std[73adb7dc35730857]::panic::catch_unwind::<core[6883ba1bc0fe4ed1]::panic::unwind_safe::AssertUnwindSafe<test[980ffaebd391d06d]::run_test_in_process::{closure#0}>, core[6883ba1bc0fe4ed1]::result::Result<(), alloc[55a36b64bcbf2c0d]::string::String>>
[INFO] [stdout]                                at /rustc/6b3fa26749ab40e159b2dd5cf577acaaf5902772/library/std/src/panic.rs:359:14
[INFO] [stdout]   35:     0x5c98f9e605c5 - test[980ffaebd391d06d]::run_test_in_process
[INFO] [stdout]                                at /rustc/6b3fa26749ab40e159b2dd5cf577acaaf5902772/library/test/src/lib.rs:747:27
[INFO] [stdout]   36:     0x5c98f9e605c5 - test[980ffaebd391d06d]::run_test::{closure#0}
[INFO] [stdout]                                at /rustc/6b3fa26749ab40e159b2dd5cf577acaaf5902772/library/test/src/lib.rs:668:43
[INFO] [stdout]   37:     0x5c98f9e5b074 - test[980ffaebd391d06d]::run_test::{closure#1}
[INFO] [stdout]                                at /rustc/6b3fa26749ab40e159b2dd5cf577acaaf5902772/library/test/src/lib.rs:698:41
[INFO] [stdout]   38:     0x5c98f9e5b074 - std[73adb7dc35730857]::sys::backtrace::__rust_begin_short_backtrace::<test[980ffaebd391d06d]::run_test::{closure#1}, ()>
[INFO] [stdout]                                at /rustc/6b3fa26749ab40e159b2dd5cf577acaaf5902772/library/std/src/sys/backtrace.rs:166:18
[INFO] [stdout]   39:     0x5c98f9e63712 - std[73adb7dc35730857]::thread::lifecycle::spawn_unchecked::<test[980ffaebd391d06d]::run_test::{closure#1}, ()>::{closure#1}::{closure#0}
[INFO] [stdout]                                at /rustc/6b3fa26749ab40e159b2dd5cf577acaaf5902772/library/std/src/thread/lifecycle.rs:70:13
[INFO] [stdout]   40:     0x5c98f9e63712 - <core[6883ba1bc0fe4ed1]::panic::unwind_safe::AssertUnwindSafe<std[73adb7dc35730857]::thread::lifecycle::spawn_unchecked<test[980ffaebd391d06d]::run_test::{closure#1}, ()>::{closure#1}::{closure#0}> as core[6883ba1bc0fe4ed1]::ops::function::FnOnce<()>>::call_once
[INFO] [stdout]                                at /rustc/6b3fa26749ab40e159b2dd5cf577acaaf5902772/library/core/src/panic/unwind_safe.rs:275:9
[INFO] [stdout]   41:     0x5c98f9e63712 - std[73adb7dc35730857]::panicking::catch_unwind::do_call::<core[6883ba1bc0fe4ed1]::panic::unwind_safe::AssertUnwindSafe<std[73adb7dc35730857]::thread::lifecycle::spawn_unchecked<test[980ffaebd391d06d]::run_test::{closure#1}, ()>::{closure#1}::{closure#0}>, ()>
[INFO] [stdout]                                at /rustc/6b3fa26749ab40e159b2dd5cf577acaaf5902772/library/std/src/panicking.rs:576:43
[INFO] [stdout]   42:     0x5c98f9e63712 - std[73adb7dc35730857]::panicking::catch_unwind::<(), core[6883ba1bc0fe4ed1]::panic::unwind_safe::AssertUnwindSafe<std[73adb7dc35730857]::thread::lifecycle::spawn_unchecked<test[980ffaebd391d06d]::run_test::{closure#1}, ()>::{closure#1}::{closure#0}>>
[INFO] [stdout]                                at /rustc/6b3fa26749ab40e159b2dd5cf577acaaf5902772/library/std/src/panicking.rs:544:19
[INFO] [stdout]   43:     0x5c98f9e63712 - std[73adb7dc35730857]::panic::catch_unwind::<core[6883ba1bc0fe4ed1]::panic::unwind_safe::AssertUnwindSafe<std[73adb7dc35730857]::thread::lifecycle::spawn_unchecked<test[980ffaebd391d06d]::run_test::{closure#1}, ()>::{closure#1}::{closure#0}>, ()>
[INFO] [stdout]                                at /rustc/6b3fa26749ab40e159b2dd5cf577acaaf5902772/library/std/src/panic.rs:359:14
[INFO] [stdout]   44:     0x5c98f9e63712 - std[73adb7dc35730857]::thread::lifecycle::spawn_unchecked::<test[980ffaebd391d06d]::run_test::{closure#1}, ()>::{closure#1}
[INFO] [stdout]                                at /rustc/6b3fa26749ab40e159b2dd5cf577acaaf5902772/library/std/src/thread/lifecycle.rs:68:26
[INFO] [stdout]   45:     0x5c98f9e63712 - <std[73adb7dc35730857]::thread::lifecycle::spawn_unchecked<test[980ffaebd391d06d]::run_test::{closure#1}, ()>::{closure#1} as core[6883ba1bc0fe4ed1]::ops::function::FnOnce<()>>::call_once::{shim:vtable#0}
[INFO] [stdout]                                at /rustc/6b3fa26749ab40e159b2dd5cf577acaaf5902772/library/core/src/ops/function.rs:250:5
[INFO] [stdout]   46:     0x5c98fa0d44af - <alloc[55a36b64bcbf2c0d]::boxed::Box<dyn core[6883ba1bc0fe4ed1]::ops::function::FnOnce<(), Output = ()> + core[6883ba1bc0fe4ed1]::marker::Send> as core[6883ba1bc0fe4ed1]::ops::function::FnOnce<()>>::call_once
[INFO] [stdout]                                at /rustc/6b3fa26749ab40e159b2dd5cf577acaaf5902772/library/alloc/src/boxed.rs:2319:9
[INFO] [stdout]   47:     0x5c98fa0d44af - <std[73adb7dc35730857]::sys::thread::unix::Thread>::new::thread_start
[INFO] [stdout]                                at /rustc/6b3fa26749ab40e159b2dd5cf577acaaf5902772/library/std/src/sys/thread/unix.rs:123:17
[INFO] [stdout]   48:     0x718092357aa4 - <unknown>
[INFO] [stdout]   49:     0x7180923e4a64 - clone
[INFO] [stdout]   50:                0x0 - <unknown>
[INFO] [stdout] 
[INFO] [stdout] ---- head::empty_c4 stdout ----
[INFO] [stdout] 
[INFO] [stdout] thread 'head::empty_c4' (3135) panicked at /rustc/6b3fa26749ab40e159b2dd5cf577acaaf5902772/library/core/src/ops/function.rs:250:5:
[INFO] [stdout] Unexpected failure.
[INFO] [stdout] code-101
[INFO] [stdout] stderr=```<90 lines total>
[INFO] [stdout] ```
[INFO] [stdout] 
[INFO] [stdout] thread \'main\' (3139) panicked at /opt/rustwide/cargo-home/registry/src/index.crates.io-1949cf8c6b5b557f/clap-3.2.25/src/parser/matches/arg_matches.rs:547:22:
[INFO] [stdout] Must use `Arg::allow_invalid_utf8` with `_os` lookups at `files`
[INFO] [stdout] stack backtrace:
[INFO] [stdout]    0:     0x606d7aade601 - std[73adb7dc35730857]::backtrace_rs::backtrace::libunwind::trace
[INFO] [stdout]                                at /rustc/6b3fa26749ab40e159b2dd5cf577acaaf5902772/library/std/src/../../backtrace/src/backtrace/libunwind.rs:117:9
[INFO] [stdout]    1:     0x606d7aade601 - std[73adb7dc35730857]::backtrace_rs::backtrace::trace_unsynchronized::<std[73adb7dc35730857]::sys::backtrace::_print_fmt::{closure#1}>
[INFO] [stdout]                                at /rustc/6b3fa26749ab40e159b2dd5cf577acaaf5902772/library/std/src/../../backtrace/src/backtrace/mod.rs:66:14
[INFO] [stdout]    2:     0x606d7aade601 - std[73adb7dc35730857]::sys::backtrace::_print_fmt
[INFO] [stdout]                                at /rustc/6b3fa26749ab40e159b2dd5cf577acaaf5902772/library/std/src/sys/backtrace.rs:74:9
[INFO] [stdout]    3:     0x606d7aade601 - <<std[73adb7dc35730857]::sys::backtrace::BacktraceLock>::print::DisplayBacktrace as core[6883ba1bc0fe4ed1]::fmt::Display>::fmt
[INFO] [stdout]                                at /rustc/6b3fa26749ab40e159b2dd5cf577acaaf5902772/library/std/src/sys/backtrace.rs:44:26
[INFO] [stdout]    4:     0x606d7aaf228a - <core[6883ba1bc0fe4ed1]::fmt::rt::Argument>::fmt
[INFO] [stdout]                                at /rustc/6b3fa26749ab40e159b2dd5cf577acaaf5902772/library/core/src/fmt/rt.rs:152:76
[INFO] [stdout]    5:     0x606d7aaf228a - core[6883ba1bc0fe4ed1]::fmt::write
[INFO] [stdout]    6:     0x606d7aae3cec - std[73adb7dc35730857]::io::default_write_fmt::<std[73adb7dc35730857]::sys::stdio::unix::Stderr>
[INFO] [stdout]                                at /rustc/6b3fa26749ab40e159b2dd5cf577acaaf5902772/library/std/src/io/mod.rs:626:11
[INFO] [stdout]    7:     0x606d7aae3cec - <std[73adb7dc35730857]::sys::stdio::unix::Stderr as std[73adb7dc35730857]::io::Write>::write_fmt
[INFO] [stdout]                                at /rustc/6b3fa26749ab40e159b2dd5cf577acaaf5902772/library/std/src/io/mod.rs:1730:13
[INFO] [stdout]    8:     0x606d7aac8e16 - <std[73adb7dc35730857]::sys::backtrace::BacktraceLock>::print
[INFO] [stdout] ```
[INFO] [stdout] <30 lines omitted>
[INFO] [stdout] ```
[INFO] [stdout]                                at /rustc/6b3fa26749ab40e159b2dd5cf577acaaf5902772/library/alloc/src/vec/mod.rs:3941:9
[INFO] [stdout]   24:     0x606d7a97808e - <core[6883ba1bc0fe4ed1]::iter::adapters::map::Map<core[6883ba1bc0fe4ed1]::iter::adapters::flatten::Flatten<core[6883ba1bc0fe4ed1]::slice::iter::Iter<alloc[55a36b64bcbf2c0d]::vec::Vec<clap[965b0170b9d3cf34]::parser::matches::any_value::AnyValue>>>, <clap[965b0170b9d3cf34]::parser::matches::arg_matches::ArgMatches>::values_of_lossy<&str>::{closure#0}> as core[6883ba1bc0fe4ed1]::iter::traits::iterator::Iterator>::collect::<alloc[55a36b64bcbf2c0d]::vec::Vec<alloc[55a36b64bcbf2c0d]::string::String>>
[INFO] [stdout]                                at /rustc/6b3fa26749ab40e159b2dd5cf577acaaf5902772/library/core/src/iter/traits/iterator.rs:2090:9
[INFO] [stdout]   25:     0x606d7a972166 - <clap[965b0170b9d3cf34]::parser::matches::arg_matches::ArgMatches>::values_of_lossy::<&str>
[INFO] [stdout]                                at /opt/rustwide/cargo-home/registry/src/index.crates.io-1949cf8c6b5b557f/clap-3.2.25/src/parser/matches/arg_matches.rs:548:14
[INFO] [stdout]   26:     0x606d7a97c18b - command_line_rust[2a7d65b3375657d0]::head::get_args
[INFO] [stdout]                                at /opt/rustwide/workdir/src/head/mod.rs:92:24
[INFO] [stdout]   27:     0x606d7a971ad2 - head[5f62c2f9cff836a0]::main
[INFO] [stdout]                                at /opt/rustwide/workdir/src/head/main.rs:4:21
[INFO] [stdout]   28:     0x606d7a971beb - <fn() as core[6883ba1bc0fe4ed1]::ops::function::FnOnce<()>>::call_once
[INFO] [stdout]                                at /rustc/6b3fa26749ab40e159b2dd5cf577acaaf5902772/library/core/src/ops/function.rs:250:5
[INFO] [stdout]   29:     0x606d7a971a5e - std[73adb7dc35730857]::sys::backtrace::__rust_begin_short_backtrace::<fn(), ()>
[INFO] [stdout]                                at /rustc/6b3fa26749ab40e159b2dd5cf577acaaf5902772/library/std/src/sys/backtrace.rs:166:18
[INFO] [stdout]   30:     0x606d7a971a81 - std[73adb7dc35730857]::rt::lang_start::<()>::{closure#0}
[INFO] [stdout]                                at /rustc/6b3fa26749ab40e159b2dd5cf577acaaf5902772/library/std/src/rt.rs:206:18
[INFO] [stdout]   31:     0x606d7aad9547 - <&dyn core[6883ba1bc0fe4ed1]::ops::function::Fn<(), Output = i32> + core[6883ba1bc0fe4ed1]::panic::unwind_safe::RefUnwindSafe + core[6883ba1bc0fe4ed1]::marker::Sync as core[6883ba1bc0fe4ed1]::ops::function::FnOnce<()>>::call_once
[INFO] [stdout]                                at /rustc/6b3fa26749ab40e159b2dd5cf577acaaf5902772/library/core/src/ops/function.rs:287:21
[INFO] [stdout]   32:     0x606d7aad9547 - std[73adb7dc35730857]::panicking::catch_unwind::do_call::<&dyn core[6883ba1bc0fe4ed1]::ops::function::Fn<(), Output = i32> + core[6883ba1bc0fe4ed1]::panic::unwind_safe::RefUnwindSafe + core[6883ba1bc0fe4ed1]::marker::Sync, i32>
[INFO] [stdout]                                at /rustc/6b3fa26749ab40e159b2dd5cf577acaaf5902772/library/std/src/panicking.rs:576:43
[INFO] [stdout]   33:     0x606d7aad9547 - std[73adb7dc35730857]::panicking::catch_unwind::<i32, &dyn core[6883ba1bc0fe4ed1]::ops::function::Fn<(), Output = i32> + core[6883ba1bc0fe4ed1]::panic::unwind_safe::RefUnwindSafe + core[6883ba1bc0fe4ed1]::marker::Sync>
[INFO] [stdout]                                at /rustc/6b3fa26749ab40e159b2dd5cf577acaaf5902772/library/std/src/panicking.rs:544:19
[INFO] [stdout]   34:     0x606d7aad9547 - std[73adb7dc35730857]::panic::catch_unwind::<&dyn core[6883ba1bc0fe4ed1]::ops::function::Fn<(), Output = i32> + core[6883ba1bc0fe4ed1]::panic::unwind_safe::RefUnwindSafe + core[6883ba1bc0fe4ed1]::marker::Sync, i32>
[INFO] [stdout]                                at /rustc/6b3fa26749ab40e159b2dd5cf577acaaf5902772/library/std/src/panic.rs:359:14
[INFO] [stdout]   35:     0x606d7aad9547 - std[73adb7dc35730857]::rt::lang_start_internal::{closure#0}
[INFO] [stdout]                                at /rustc/6b3fa26749ab40e159b2dd5cf577acaaf5902772/library/std/src/rt.rs:175:24
[INFO] [stdout]   36:     0x606d7aad9547 - std[73adb7dc35730857]::panicking::catch_unwind::do_call::<std[73adb7dc35730857]::rt::lang_start_internal::{closure#0}, isize>
[INFO] [stdout]                                at /rustc/6b3fa26749ab40e159b2dd5cf577acaaf5902772/library/std/src/panicking.rs:576:43
[INFO] [stdout]   37:     0x606d7aad9547 - std[73adb7dc35730857]::panicking::catch_unwind::<isize, std[73adb7dc35730857]::rt::lang_start_internal::{closure#0}>
[INFO] [stdout]                                at /rustc/6b3fa26749ab40e159b2dd5cf577acaaf5902772/library/std/src/panicking.rs:544:19
[INFO] [stdout]   38:     0x606d7aad9547 - std[73adb7dc35730857]::panic::catch_unwind::<std[73adb7dc35730857]::rt::lang_start_internal::{closure#0}, isize>
[INFO] [stdout]                                at /rustc/6b3fa26749ab40e159b2dd5cf577acaaf5902772/library/std/src/panic.rs:359:14
[INFO] [stdout]   39:     0x606d7aad9547 - std[73adb7dc35730857]::rt::lang_start_internal
[INFO] [stdout]                                at /rustc/6b3fa26749ab40e159b2dd5cf577acaaf5902772/library/std/src/rt.rs:171:5
[INFO] [stdout]   40:     0x606d7a971a47 - std[73adb7dc35730857]::rt::lang_start::<()>
[INFO] [stdout]                                at /rustc/6b3fa26749ab40e159b2dd5cf577acaaf5902772/library/std/src/rt.rs:205:5
[INFO] [stdout]   41:     0x606d7a971c7e - main
[INFO] [stdout]   42:     0x779ad74b41ca - <unknown>
[INFO] [stdout]   43:     0x779ad74b428b - __libc_start_main
[INFO] [stdout]   44:     0x606d7a9718a5 - _start
[INFO] [stdout]   45:                0x0 - <unknown>
[INFO] [stdout] ```
[INFO] [stdout] ```
[INFO] [stdout] command=`"/opt/rustwide/target/debug/head" "tests/head/inputs/empty.txt" "-c" "4"`
[INFO] [stdout] code=101
[INFO] [stdout] stdout=""
[INFO] [stdout] stderr=<90 lines total>
[INFO] [stdout] ```
[INFO] [stdout] 
[INFO] [stdout] thread \'main\' (3139) panicked at /opt/rustwide/cargo-home/registry/src/index.crates.io-1949cf8c6b5b557f/clap-3.2.25/src/parser/matches/arg_matches.rs:547:22:
[INFO] [stdout] Must use `Arg::allow_invalid_utf8` with `_os` lookups at `files`
[INFO] [stdout] stack backtrace:
[INFO] [stdout]    0:     0x606d7aade601 - std[73adb7dc35730857]::backtrace_rs::backtrace::libunwind::trace
[INFO] [stdout]                                at /rustc/6b3fa26749ab40e159b2dd5cf577acaaf5902772/library/std/src/../../backtrace/src/backtrace/libunwind.rs:117:9
[INFO] [stdout]    1:     0x606d7aade601 - std[73adb7dc35730857]::backtrace_rs::backtrace::trace_unsynchronized::<std[73adb7dc35730857]::sys::backtrace::_print_fmt::{closure#1}>
[INFO] [stdout]                                at /rustc/6b3fa26749ab40e159b2dd5cf577acaaf5902772/library/std/src/../../backtrace/src/backtrace/mod.rs:66:14
[INFO] [stdout]    2:     0x606d7aade601 - std[73adb7dc35730857]::sys::backtrace::_print_fmt
[INFO] [stdout]                                at /rustc/6b3fa26749ab40e159b2dd5cf577acaaf5902772/library/std/src/sys/backtrace.rs:74:9
[INFO] [stdout]    3:     0x606d7aade601 - <<std[73adb7dc35730857]::sys::backtrace::BacktraceLock>::print::DisplayBacktrace as core[6883ba1bc0fe4ed1]::fmt::Display>::fmt
[INFO] [stdout]                                at /rustc/6b3fa26749ab40e159b2dd5cf577acaaf5902772/library/std/src/sys/backtrace.rs:44:26
[INFO] [stdout]    4:     0x606d7aaf228a - <core[6883ba1bc0fe4ed1]::fmt::rt::Argument>::fmt
[INFO] [stdout]                                at /rustc/6b3fa26749ab40e159b2dd5cf577acaaf5902772/library/core/src/fmt/rt.rs:152:76
[INFO] [stdout]    5:     0x606d7aaf228a - core[6883ba1bc0fe4ed1]::fmt::write
[INFO] [stdout]    6:     0x606d7aae3cec - std[73adb7dc35730857]::io::default_write_fmt::<std[73adb7dc35730857]::sys::stdio::unix::Stderr>
[INFO] [stdout]                                at /rustc/6b3fa26749ab40e159b2dd5cf577acaaf5902772/library/std/src/io/mod.rs:626:11
[INFO] [stdout]    7:     0x606d7aae3cec - <std[73adb7dc35730857]::sys::stdio::unix::Stderr as std[73adb7dc35730857]::io::Write>::write_fmt
[INFO] [stdout]                                at /rustc/6b3fa26749ab40e159b2dd5cf577acaaf5902772/library/std/src/io/mod.rs:1730:13
[INFO] [stdout]    8:     0x606d7aac8e16 - <std[73adb7dc35730857]::sys::backtrace::BacktraceLock>::print
[INFO] [stdout] ```
[INFO] [stdout] <30 lines omitted>
[INFO] [stdout] ```
[INFO] [stdout]                                at /rustc/6b3fa26749ab40e159b2dd5cf577acaaf5902772/library/alloc/src/vec/mod.rs:3941:9
[INFO] [stdout]   24:     0x606d7a97808e - <core[6883ba1bc0fe4ed1]::iter::adapters::map::Map<core[6883ba1bc0fe4ed1]::iter::adapters::flatten::Flatten<core[6883ba1bc0fe4ed1]::slice::iter::Iter<alloc[55a36b64bcbf2c0d]::vec::Vec<clap[965b0170b9d3cf34]::parser::matches::any_value::AnyValue>>>, <clap[965b0170b9d3cf34]::parser::matches::arg_matches::ArgMatches>::values_of_lossy<&str>::{closure#0}> as core[6883ba1bc0fe4ed1]::iter::traits::iterator::Iterator>::collect::<alloc[55a36b64bcbf2c0d]::vec::Vec<alloc[55a36b64bcbf2c0d]::string::String>>
[INFO] [stdout]                                at /rustc/6b3fa26749ab40e159b2dd5cf577acaaf5902772/library/core/src/iter/traits/iterator.rs:2090:9
[INFO] [stdout]   25:     0x606d7a972166 - <clap[965b0170b9d3cf34]::parser::matches::arg_matches::ArgMatches>::values_of_lossy::<&str>
[INFO] [stdout]                                at /opt/rustwide/cargo-home/registry/src/index.crates.io-1949cf8c6b5b557f/clap-3.2.25/src/parser/matches/arg_matches.rs:548:14
[INFO] [stdout]   26:     0x606d7a97c18b - command_line_rust[2a7d65b3375657d0]::head::get_args
[INFO] [stdout]                                at /opt/rustwide/workdir/src/head/mod.rs:92:24
[INFO] [stdout]   27:     0x606d7a971ad2 - head[5f62c2f9cff836a0]::main
[INFO] [stdout]                                at /opt/rustwide/workdir/src/head/main.rs:4:21
[INFO] [stdout]   28:     0x606d7a971beb - <fn() as core[6883ba1bc0fe4ed1]::ops::function::FnOnce<()>>::call_once
[INFO] [stdout]                                at /rustc/6b3fa26749ab40e159b2dd5cf577acaaf5902772/library/core/src/ops/function.rs:250:5
[INFO] [stdout]   29:     0x606d7a971a5e - std[73adb7dc35730857]::sys::backtrace::__rust_begin_short_backtrace::<fn(), ()>
[INFO] [stdout]                                at /rustc/6b3fa26749ab40e159b2dd5cf577acaaf5902772/library/std/src/sys/backtrace.rs:166:18
[INFO] [stdout]   30:     0x606d7a971a81 - std[73adb7dc35730857]::rt::lang_start::<()>::{closure#0}
[INFO] [stdout]                                at /rustc/6b3fa26749ab40e159b2dd5cf577acaaf5902772/library/std/src/rt.rs:206:18
[INFO] [stdout]   31:     0x606d7aad9547 - <&dyn core[6883ba1bc0fe4ed1]::ops::function::Fn<(), Output = i32> + core[6883ba1bc0fe4ed1]::panic::unwind_safe::RefUnwindSafe + core[6883ba1bc0fe4ed1]::marker::Sync as core[6883ba1bc0fe4ed1]::ops::function::FnOnce<()>>::call_once
[INFO] [stdout]                                at /rustc/6b3fa26749ab40e159b2dd5cf577acaaf5902772/library/core/src/ops/function.rs:287:21
[INFO] [stdout]   32:     0x606d7aad9547 - std[73adb7dc35730857]::panicking::catch_unwind::do_call::<&dyn core[6883ba1bc0fe4ed1]::ops::function::Fn<(), Output = i32> + core[6883ba1bc0fe4ed1]::panic::unwind_safe::RefUnwindSafe + core[6883ba1bc0fe4ed1]::marker::Sync, i32>
[INFO] [stdout]                                at /rustc/6b3fa26749ab40e159b2dd5cf577acaaf5902772/library/std/src/panicking.rs:576:43
[INFO] [stdout]   33:     0x606d7aad9547 - std[73adb7dc35730857]::panicking::catch_unwind::<i32, &dyn core[6883ba1bc0fe4ed1]::ops::function::Fn<(), Output = i32> + core[6883ba1bc0fe4ed1]::panic::unwind_safe::RefUnwindSafe + core[6883ba1bc0fe4ed1]::marker::Sync>
[INFO] [stdout]                                at /rustc/6b3fa26749ab40e159b2dd5cf577acaaf5902772/library/std/src/panicking.rs:544:19
[INFO] [stdout]   34:     0x606d7aad9547 - std[73adb7dc35730857]::panic::catch_unwind::<&dyn core[6883ba1bc0fe4ed1]::ops::function::Fn<(), Output = i32> + core[6883ba1bc0fe4ed1]::panic::unwind_safe::RefUnwindSafe + core[6883ba1bc0fe4ed1]::marker::Sync, i32>
[INFO] [stdout]                                at /rustc/6b3fa26749ab40e159b2dd5cf577acaaf5902772/library/std/src/panic.rs:359:14
[INFO] [stdout]   35:     0x606d7aad9547 - std[73adb7dc35730857]::rt::lang_start_internal::{closure#0}
[INFO] [stdout]                                at /rustc/6b3fa26749ab40e159b2dd5cf577acaaf5902772/library/std/src/rt.rs:175:24
[INFO] [stdout]   36:     0x606d7aad9547 - std[73adb7dc35730857]::panicking::catch_unwind::do_call::<std[73adb7dc35730857]::rt::lang_start_internal::{closure#0}, isize>
[INFO] [stdout]                                at /rustc/6b3fa26749ab40e159b2dd5cf577acaaf5902772/library/std/src/panicking.rs:576:43
[INFO] [stdout]   37:     0x606d7aad9547 - std[73adb7dc35730857]::panicking::catch_unwind::<isize, std[73adb7dc35730857]::rt::lang_start_internal::{closure#0}>
[INFO] [stdout]                                at /rustc/6b3fa26749ab40e159b2dd5cf577acaaf5902772/library/std/src/panicking.rs:544:19
[INFO] [stdout]   38:     0x606d7aad9547 - std[73adb7dc35730857]::panic::catch_unwind::<std[73adb7dc35730857]::rt::lang_start_internal::{closure#0}, isize>
[INFO] [stdout]                                at /rustc/6b3fa26749ab40e159b2dd5cf577acaaf5902772/library/std/src/panic.rs:359:14
[INFO] [stdout]   39:     0x606d7aad9547 - std[73adb7dc35730857]::rt::lang_start_internal
[INFO] [stdout]                                at /rustc/6b3fa26749ab40e159b2dd5cf577acaaf5902772/library/std/src/rt.rs:171:5
[INFO] [stdout]   40:     0x606d7a971a47 - std[73adb7dc35730857]::rt::lang_start::<()>
[INFO] [stdout]                                at /rustc/6b3fa26749ab40e159b2dd5cf577acaaf5902772/library/std/src/rt.rs:205:5
[INFO] [stdout]   41:     0x606d7a971c7e - main
[INFO] [stdout]   42:     0x779ad74b41ca - <unknown>
[INFO] [stdout]   43:     0x779ad74b428b - __libc_start_main
[INFO] [stdout]   44:     0x606d7a9718a5 - _start
[INFO] [stdout]   45:                0x0 - <unknown>
[INFO] [stdout] ```
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] stack backtrace:
[INFO] [stdout]    0:     0x5c98fa0d5011 - std[73adb7dc35730857]::backtrace_rs::backtrace::libunwind::trace
[INFO] [stdout]                                at /rustc/6b3fa26749ab40e159b2dd5cf577acaaf5902772/library/std/src/../../backtrace/src/backtrace/libunwind.rs:117:9
[INFO] [stdout]    1:     0x5c98fa0d5011 - std[73adb7dc35730857]::backtrace_rs::backtrace::trace_unsynchronized::<std[73adb7dc35730857]::sys::backtrace::_print_fmt::{closure#1}>
[INFO] [stdout]                                at /rustc/6b3fa26749ab40e159b2dd5cf577acaaf5902772/library/std/src/../../backtrace/src/backtrace/mod.rs:66:14
[INFO] [stdout]    2:     0x5c98fa0d5011 - std[73adb7dc35730857]::sys::backtrace::_print_fmt
[INFO] [stdout]                                at /rustc/6b3fa26749ab40e159b2dd5cf577acaaf5902772/library/std/src/sys/backtrace.rs:74:9
[INFO] [stdout]    3:     0x5c98fa0d5011 - <<std[73adb7dc35730857]::sys::backtrace::BacktraceLock>::print::DisplayBacktrace as core[6883ba1bc0fe4ed1]::fmt::Display>::fmt
[INFO] [stdout]                                at /rustc/6b3fa26749ab40e159b2dd5cf577acaaf5902772/library/std/src/sys/backtrace.rs:44:26
[INFO] [stdout]    4:     0x5c98fa0eb71a - <core[6883ba1bc0fe4ed1]::fmt::rt::Argument>::fmt
[INFO] [stdout]                                at /rustc/6b3fa26749ab40e159b2dd5cf577acaaf5902772/library/core/src/fmt/rt.rs:152:76
[INFO] [stdout]    5:     0x5c98fa0eb71a - core[6883ba1bc0fe4ed1]::fmt::write
[INFO] [stdout]    6:     0x5c98fa0da99c - std[73adb7dc35730857]::io::default_write_fmt::<alloc[55a36b64bcbf2c0d]::vec::Vec<u8>>
[INFO] [stdout]                                at /rustc/6b3fa26749ab40e159b2dd5cf577acaaf5902772/library/std/src/io/mod.rs:626:11
[INFO] [stdout]    7:     0x5c98fa0da99c - <alloc[55a36b64bcbf2c0d]::vec::Vec<u8> as std[73adb7dc35730857]::io::Write>::write_fmt
[INFO] [stdout]                                at /rustc/6b3fa26749ab40e159b2dd5cf577acaaf5902772/library/std/src/io/mod.rs:1730:13
[INFO] [stdout]    8:     0x5c98fa0b2986 - <std[73adb7dc35730857]::sys::backtrace::BacktraceLock>::print
[INFO] [stdout]                                at /rustc/6b3fa26749ab40e159b2dd5cf577acaaf5902772/library/std/src/sys/backtrace.rs:47:9
[INFO] [stdout]    9:     0x5c98fa0b2986 - std[73adb7dc35730857]::panicking::default_hook::{closure#0}
[INFO] [stdout]                                at /rustc/6b3fa26749ab40e159b2dd5cf577acaaf5902772/library/std/src/panicking.rs:292:27
[INFO] [stdout]   10:     0x5c98fa0ccd09 - std[73adb7dc35730857]::panicking::default_hook
[INFO] [stdout]                                at /rustc/6b3fa26749ab40e159b2dd5cf577acaaf5902772/library/std/src/panicking.rs:316:9
[INFO] [stdout]   11:     0x5c98f9e5fc40 - <alloc[55a36b64bcbf2c0d]::boxed::Box<dyn for<'a, 'b> core[6883ba1bc0fe4ed1]::ops::function::Fn<(&'a std[73adb7dc35730857]::panic::PanicHookInfo<'b>,), Output = ()> + core[6883ba1bc0fe4ed1]::marker::Send + core[6883ba1bc0fe4ed1]::marker::Sync> as core[6883ba1bc0fe4ed1]::ops::function::Fn<(&std[73adb7dc35730857]::panic::PanicHookInfo,)>>::call
[INFO] [stdout]                                at /rustc/6b3fa26749ab40e159b2dd5cf577acaaf5902772/library/alloc/src/boxed.rs:2333:9
[INFO] [stdout]   12:     0x5c98f9e5fc40 - test[980ffaebd391d06d]::test_main_inner::<test[980ffaebd391d06d]::test_main_static::{closure#0}>::{closure#0}
[INFO] [stdout]                                at /rustc/6b3fa26749ab40e159b2dd5cf577acaaf5902772/library/test/src/lib.rs:155:21
[INFO] [stdout]   13:     0x5c98fa0ccec2 - <alloc[55a36b64bcbf2c0d]::boxed::Box<dyn for<'a, 'b> core[6883ba1bc0fe4ed1]::ops::function::Fn<(&'a std[73adb7dc35730857]::panic::PanicHookInfo<'b>,), Output = ()> + core[6883ba1bc0fe4ed1]::marker::Send + core[6883ba1bc0fe4ed1]::marker::Sync> as core[6883ba1bc0fe4ed1]::ops::function::Fn<(&std[73adb7dc35730857]::panic::PanicHookInfo,)>>::call
[INFO] [stdout]                                at /rustc/6b3fa26749ab40e159b2dd5cf577acaaf5902772/library/alloc/src/boxed.rs:2333:9
[INFO] [stdout]   14:     0x5c98fa0ccec2 - std[73adb7dc35730857]::panicking::panic_with_hook
[INFO] [stdout]                                at /rustc/6b3fa26749ab40e159b2dd5cf577acaaf5902772/library/std/src/panicking.rs:823:13
[INFO] [stdout]   15:     0x5c98fa0b2a32 - std[73adb7dc35730857]::panicking::panic_handler::{closure#0}
[INFO] [stdout]                                at /rustc/6b3fa26749ab40e159b2dd5cf577acaaf5902772/library/std/src/panicking.rs:688:13
[INFO] [stdout]   16:     0x5c98fa0aa1d9 - std[73adb7dc35730857]::sys::backtrace::__rust_end_short_backtrace::<std[73adb7dc35730857]::panicking::panic_handler::{closure#0}, !>
[INFO] [stdout]                                at /rustc/6b3fa26749ab40e159b2dd5cf577acaaf5902772/library/std/src/sys/backtrace.rs:182:18
[INFO] [stdout]   17:     0x5c98fa0b362d - __rustc[a7b7b02e776dd976]::rust_begin_unwind
[INFO] [stdout]                                at /rustc/6b3fa26749ab40e159b2dd5cf577acaaf5902772/library/std/src/panicking.rs:679:5
[INFO] [stdout]   18:     0x5c98fa0ebf9c - core[6883ba1bc0fe4ed1]::panicking::panic_fmt
[INFO] [stdout]                                at /rustc/6b3fa26749ab40e159b2dd5cf577acaaf5902772/library/core/src/panicking.rs:80:14
[INFO] [stdout]   19:     0x5c98fa03b8b8 - core[6883ba1bc0fe4ed1]::panicking::panic_display::<assert_cmd[35418449b5f7a4b8]::assert::AssertError>
[INFO] [stdout]                                at /rustc/6b3fa26749ab40e159b2dd5cf577acaaf5902772/library/core/src/panicking.rs:259:5
[INFO] [stdout]   20:     0x5c98fa0426c7 - <assert_cmd[35418449b5f7a4b8]::assert::AssertError>::panic::<assert_cmd[35418449b5f7a4b8]::assert::Assert>
[INFO] [stdout]                                at /opt/rustwide/cargo-home/registry/src/index.crates.io-1949cf8c6b5b557f/assert_cmd-2.0.11/src/assert.rs:1033:9
[INFO] [stdout]   21:     0x5c98fa038947 - <<assert_cmd[35418449b5f7a4b8]::assert::AssertError>::panic<assert_cmd[35418449b5f7a4b8]::assert::Assert> as core[6883ba1bc0fe4ed1]::ops::function::FnOnce<(assert_cmd[35418449b5f7a4b8]::assert::AssertError,)>>::call_once
[INFO] [stdout]                                at /rustc/6b3fa26749ab40e159b2dd5cf577acaaf5902772/library/core/src/ops/function.rs:250:5
[INFO] [stdout]   22:     0x5c98fa041dfb - <core[6883ba1bc0fe4ed1]::result::Result<assert_cmd[35418449b5f7a4b8]::assert::Assert, assert_cmd[35418449b5f7a4b8]::assert::AssertError>>::unwrap_or_else::<<assert_cmd[35418449b5f7a4b8]::assert::AssertError>::panic<assert_cmd[35418449b5f7a4b8]::assert::Assert>>
[INFO] [stdout]                                at /rustc/6b3fa26749ab40e159b2dd5cf577acaaf5902772/library/core/src/result.rs:1620:23
[INFO] [stdout]   23:     0x5c98fa0442a0 - <assert_cmd[35418449b5f7a4b8]::assert::Assert>::success
[INFO] [stdout]                                at /opt/rustwide/cargo-home/registry/src/index.crates.io-1949cf8c6b5b557f/assert_cmd-2.0.11/src/assert.rs:158:28
[INFO] [stdout]   24:     0x5c98f9e4c073 - lib[ef69c164f1f8dd99]::head::run
[INFO] [stdout]                                at /opt/rustwide/workdir/tests/head/mod.rs:105:10
[INFO] [stdout]   25:     0x5c98f9e4e0fe - lib[ef69c164f1f8dd99]::head::empty_c4
[INFO] [stdout]                                at /opt/rustwide/workdir/tests/head/mod.rs:156:5
[INFO] [stdout]   26:     0x5c98f9e47de7 - lib[ef69c164f1f8dd99]::head::empty_c4::{closure#0}
[INFO] [stdout]                                at /opt/rustwide/workdir/tests/head/mod.rs:155:18
[INFO] [stdout]   27:     0x5c98f9e52a16 - <lib[ef69c164f1f8dd99]::head::empty_c4::{closure#0} as core[6883ba1bc0fe4ed1]::ops::function::FnOnce<()>>::call_once
[INFO] [stdout]                                at /rustc/6b3fa26749ab40e159b2dd5cf577acaaf5902772/library/core/src/ops/function.rs:250:5
[INFO] [stdout]   28:     0x5c98f9e52f7b - <fn() -> core[6883ba1bc0fe4ed1]::result::Result<(), alloc[55a36b64bcbf2c0d]::string::String> as core[6883ba1bc0fe4ed1]::ops::function::FnOnce<()>>::call_once
[INFO] [stdout]                                at /rustc/6b3fa26749ab40e159b2dd5cf577acaaf5902772/library/core/src/ops/function.rs:250:5
[INFO] [stdout]   29:     0x5c98f9e52f7b - test[980ffaebd391d06d]::__rust_begin_short_backtrace::<core[6883ba1bc0fe4ed1]::result::Result<(), alloc[55a36b64bcbf2c0d]::string::String>, fn() -> core[6883ba1bc0fe4ed1]::result::Result<(), alloc[55a36b64bcbf2c0d]::string::String>>
[INFO] [stdout]                                at /rustc/6b3fa26749ab40e159b2dd5cf577acaaf5902772/library/test/src/lib.rs:724:18
[INFO] [stdout]   30:     0x5c98f9e605c5 - test[980ffaebd391d06d]::run_test_in_process::{closure#0}
[INFO] [stdout]                                at /rustc/6b3fa26749ab40e159b2dd5cf577acaaf5902772/library/test/src/lib.rs:747:74
[INFO] [stdout]   31:     0x5c98f9e605c5 - <core[6883ba1bc0fe4ed1]::panic::unwind_safe::AssertUnwindSafe<test[980ffaebd391d06d]::run_test_in_process::{closure#0}> as core[6883ba1bc0fe4ed1]::ops::function::FnOnce<()>>::call_once
[INFO] [stdout]                                at /rustc/6b3fa26749ab40e159b2dd5cf577acaaf5902772/library/core/src/panic/unwind_safe.rs:275:9
[INFO] [stdout]   32:     0x5c98f9e605c5 - std[73adb7dc35730857]::panicking::catch_unwind::do_call::<core[6883ba1bc0fe4ed1]::panic::unwind_safe::AssertUnwindSafe<test[980ffaebd391d06d]::run_test_in_process::{closure#0}>, core[6883ba1bc0fe4ed1]::result::Result<(), alloc[55a36b64bcbf2c0d]::string::String>>
[INFO] [stdout]                                at /rustc/6b3fa26749ab40e159b2dd5cf577acaaf5902772/library/std/src/panicking.rs:576:43
[INFO] [stdout]   33:     0x5c98f9e605c5 - std[73adb7dc35730857]::panicking::catch_unwind::<core[6883ba1bc0fe4ed1]::result::Result<(), alloc[55a36b64bcbf2c0d]::string::String>, core[6883ba1bc0fe4ed1]::panic::unwind_safe::AssertUnwindSafe<test[980ffaebd391d06d]::run_test_in_process::{closure#0}>>
[INFO] [stdout]                                at /rustc/6b3fa26749ab40e159b2dd5cf577acaaf5902772/library/std/src/panicking.rs:544:19
[INFO] [stdout]   34:     0x5c98f9e605c5 - std[73adb7dc35730857]::panic::catch_unwind::<core[6883ba1bc0fe4ed1]::panic::unwind_safe::AssertUnwindSafe<test[980ffaebd391d06d]::run_test_in_process::{closure#0}>, core[6883ba1bc0fe4ed1]::result::Result<(), alloc[55a36b64bcbf2c0d]::string::String>>
[INFO] [stdout]                                at /rustc/6b3fa26749ab40e159b2dd5cf577acaaf5902772/library/std/src/panic.rs:359:14
[INFO] [stdout]   35:     0x5c98f9e605c5 - test[980ffaebd391d06d]::run_test_in_process
[INFO] [stdout]                                at /rustc/6b3fa26749ab40e159b2dd5cf577acaaf5902772/library/test/src/lib.rs:747:27
[INFO] [stdout]   36:     0x5c98f9e605c5 - test[980ffaebd391d06d]::run_test::{closure#0}
[INFO] [stdout]                                at /rustc/6b3fa26749ab40e159b2dd5cf577acaaf5902772/library/test/src/lib.rs:668:43
[INFO] [stdout]   37:     0x5c98f9e5b074 - test[980ffaebd391d06d]::run_test::{closure#1}
[INFO] [stdout]                                at /rustc/6b3fa26749ab40e159b2dd5cf577acaaf5902772/library/test/src/lib.rs:698:41
[INFO] [stdout]   38:     0x5c98f9e5b074 - std[73adb7dc35730857]::sys::backtrace::__rust_begin_short_backtrace::<test[980ffaebd391d06d]::run_test::{closure#1}, ()>
[INFO] [stdout]                                at /rustc/6b3fa26749ab40e159b2dd5cf577acaaf5902772/library/std/src/sys/backtrace.rs:166:18
[INFO] [stdout]   39:     0x5c98f9e63712 - std[73adb7dc35730857]::thread::lifecycle::spawn_unchecked::<test[980ffaebd391d06d]::run_test::{closure#1}, ()>::{closure#1}::{closure#0}
[INFO] [stdout]                                at /rustc/6b3fa26749ab40e159b2dd5cf577acaaf5902772/library/std/src/thread/lifecycle.rs:70:13
[INFO] [stdout]   40:     0x5c98f9e63712 - <core[6883ba1bc0fe4ed1]::panic::unwind_safe::AssertUnwindSafe<std[73adb7dc35730857]::thread::lifecycle::spawn_unchecked<test[980ffaebd391d06d]::run_test::{closure#1}, ()>::{closure#1}::{closure#0}> as core[6883ba1bc0fe4ed1]::ops::function::FnOnce<()>>::call_once
[INFO] [stdout]                                at /rustc/6b3fa26749ab40e159b2dd5cf577acaaf5902772/library/core/src/panic/unwind_safe.rs:275:9
[INFO] [stdout]   41:     0x5c98f9e63712 - std[73adb7dc35730857]::panicking::catch_unwind::do_call::<core[6883ba1bc0fe4ed1]::panic::unwind_safe::AssertUnwindSafe<std[73adb7dc35730857]::thread::lifecycle::spawn_unchecked<test[980ffaebd391d06d]::run_test::{closure#1}, ()>::{closure#1}::{closure#0}>, ()>
[INFO] [stdout]                                at /rustc/6b3fa26749ab40e159b2dd5cf577acaaf5902772/library/std/src/panicking.rs:576:43
[INFO] [stdout]   42:     0x5c98f9e63712 - std[73adb7dc35730857]::panicking::catch_unwind::<(), core[6883ba1bc0fe4ed1]::panic::unwind_safe::AssertUnwindSafe<std[73adb7dc35730857]::thread::lifecycle::spawn_unchecked<test[980ffaebd391d06d]::run_test::{closure#1}, ()>::{closure#1}::{closure#0}>>
[INFO] [stdout]                                at /rustc/6b3fa26749ab40e159b2dd5cf577acaaf5902772/library/std/src/panicking.rs:544:19
[INFO] [stdout]   43:     0x5c98f9e63712 - std[73adb7dc35730857]::panic::catch_unwind::<core[6883ba1bc0fe4ed1]::panic::unwind_safe::AssertUnwindSafe<std[73adb7dc35730857]::thread::lifecycle::spawn_unchecked<test[980ffaebd391d06d]::run_test::{closure#1}, ()>::{closure#1}::{closure#0}>, ()>
[INFO] [stdout]                                at /rustc/6b3fa26749ab40e159b2dd5cf577acaaf5902772/library/std/src/panic.rs:359:14
[INFO] [stdout]   44:     0x5c98f9e63712 - std[73adb7dc35730857]::thread::lifecycle::spawn_unchecked::<test[980ffaebd391d06d]::run_test::{closure#1}, ()>::{closure#1}
[INFO] [stdout]                                at /rustc/6b3fa26749ab40e159b2dd5cf577acaaf5902772/library/std/src/thread/lifecycle.rs:68:26
[INFO] [stdout]   45:     0x5c98f9e63712 - <std[73adb7dc35730857]::thread::lifecycle::spawn_unchecked<test[980ffaebd391d06d]::run_test::{closure#1}, ()>::{closure#1} as core[6883ba1bc0fe4ed1]::ops::function::FnOnce<()>>::call_once::{shim:vtable#0}
[INFO] [stdout]                                at /rustc/6b3fa26749ab40e159b2dd5cf577acaaf5902772/library/core/src/ops/function.rs:250:5
[INFO] [stdout]   46:     0x5c98fa0d44af - <alloc[55a36b64bcbf2c0d]::boxed::Box<dyn core[6883ba1bc0fe4ed1]::ops::function::FnOnce<(), Output = ()> + core[6883ba1bc0fe4ed1]::marker::Send> as core[6883ba1bc0fe4ed1]::ops::function::FnOnce<()>>::call_once
[INFO] [stdout]                                at /rustc/6b3fa26749ab40e159b2dd5cf577acaaf5902772/library/alloc/src/boxed.rs:2319:9
[INFO] [stdout]   47:     0x5c98fa0d44af - <std[73adb7dc35730857]::sys::thread::unix::Thread>::new::thread_start
[INFO] [stdout]                                at /rustc/6b3fa26749ab40e159b2dd5cf577acaaf5902772/library/std/src/sys/thread/unix.rs:123:17
[INFO] [stdout]   48:     0x718092357aa4 - <unknown>
[INFO] [stdout]   49:     0x7180923e4a64 - clone
[INFO] [stdout]   50:                0x0 - <unknown>
[INFO] [stdout] 
[INFO] [stdout] ---- head::empty_n2 stdout ----
[INFO] [stdout] 
[INFO] [stdout] thread 'head::empty_n2' (3140) panicked at /rustc/6b3fa26749ab40e159b2dd5cf577acaaf5902772/library/core/src/ops/function.rs:250:5:
[INFO] [stdout] Unexpected failure.
[INFO] [stdout] code-101
[INFO] [stdout] stderr=```<90 lines total>
[INFO] [stdout] ```
[INFO] [stdout] 
[INFO] [stdout] thread \'main\' (3163) panicked at /opt/rustwide/cargo-home/registry/src/index.crates.io-1949cf8c6b5b557f/clap-3.2.25/src/parser/matches/arg_matches.rs:547:22:
[INFO] [stdout] Must use `Arg::allow_invalid_utf8` with `_os` lookups at `files`
[INFO] [stdout] stack backtrace:
[INFO] [stdout]    0:     0x5618e8639601 - std[73adb7dc35730857]::backtrace_rs::backtrace::libunwind::trace
[INFO] [stdout]                                at /rustc/6b3fa26749ab40e159b2dd5cf577acaaf5902772/library/std/src/../../backtrace/src/backtrace/libunwind.rs:117:9
[INFO] [stdout]    1:     0x5618e8639601 - std[73adb7dc35730857]::backtrace_rs::backtrace::trace_unsynchronized::<std[73adb7dc35730857]::sys::backtrace::_print_fmt::{closure#1}>
[INFO] [stdout]                                at /rustc/6b3fa26749ab40e159b2dd5cf577acaaf5902772/library/std/src/../../backtrace/src/backtrace/mod.rs:66:14
[INFO] [stdout]    2:     0x5618e8639601 - std[73adb7dc35730857]::sys::backtrace::_print_fmt
[INFO] [stdout]                                at /rustc/6b3fa26749ab40e159b2dd5cf577acaaf5902772/library/std/src/sys/backtrace.rs:74:9
[INFO] [stdout]    3:     0x5618e8639601 - <<std[73adb7dc35730857]::sys::backtrace::BacktraceLock>::print::DisplayBacktrace as core[6883ba1bc0fe4ed1]::fmt::Display>::fmt
[INFO] [stdout]                                at /rustc/6b3fa26749ab40e159b2dd5cf577acaaf5902772/library/std/src/sys/backtrace.rs:44:26
[INFO] [stdout]    4:     0x5618e864d28a - <core[6883ba1bc0fe4ed1]::fmt::rt::Argument>::fmt
[INFO] [stdout]                                at /rustc/6b3fa26749ab40e159b2dd5cf577acaaf5902772/library/core/src/fmt/rt.rs:152:76
[INFO] [stdout]    5:     0x5618e864d28a - core[6883ba1bc0fe4ed1]::fmt::write
[INFO] [stdout]    6:     0x5618e863ecec - std[73adb7dc35730857]::io::default_write_fmt::<std[73adb7dc35730857]::sys::stdio::unix::Stderr>
[INFO] [stdout]                                at /rustc/6b3fa26749ab40e159b2dd5cf577acaaf5902772/library/std/src/io/mod.rs:626:11
[INFO] [stdout]    7:     0x5618e863ecec - <std[73adb7dc35730857]::sys::stdio::unix::Stderr as std[73adb7dc35730857]::io::Write>::write_fmt
[INFO] [stdout]                                at /rustc/6b3fa26749ab40e159b2dd5cf577acaaf5902772/library/std/src/io/mod.rs:1730:13
[INFO] [stdout]    8:     0x5618e8623e16 - <std[73adb7dc35730857]::sys::backtrace::BacktraceLock>::print
[INFO] [stdout] ```
[INFO] [stdout] <30 lines omitted>
[INFO] [stdout] ```
[INFO] [stdout]                                at /rustc/6b3fa26749ab40e159b2dd5cf577acaaf5902772/library/alloc/src/vec/mod.rs:3941:9
[INFO] [stdout]   24:     0x5618e84d308e - <core[6883ba1bc0fe4ed1]::iter::adapters::map::Map<core[6883ba1bc0fe4ed1]::iter::adapters::flatten::Flatten<core[6883ba1bc0fe4ed1]::slice::iter::Iter<alloc[55a36b64bcbf2c0d]::vec::Vec<clap[965b0170b9d3cf34]::parser::matches::any_value::AnyValue>>>, <clap[965b0170b9d3cf34]::parser::matches::arg_matches::ArgMatches>::values_of_lossy<&str>::{closure#0}> as core[6883ba1bc0fe4ed1]::iter::traits::iterator::Iterator>::collect::<alloc[55a36b64bcbf2c0d]::vec::Vec<alloc[55a36b64bcbf2c0d]::string::String>>
[INFO] [stdout]                                at /rustc/6b3fa26749ab40e159b2dd5cf577acaaf5902772/library/core/src/iter/traits/iterator.rs:2090:9
[INFO] [stdout]   25:     0x5618e84cd166 - <clap[965b0170b9d3cf34]::parser::matches::arg_matches::ArgMatches>::values_of_lossy::<&str>
[INFO] [stdout]                                at /opt/rustwide/cargo-home/registry/src/index.crates.io-1949cf8c6b5b557f/clap-3.2.25/src/parser/matches/arg_matches.rs:548:14
[INFO] [stdout]   26:     0x5618e84d718b - command_line_rust[2a7d65b3375657d0]::head::get_args
[INFO] [stdout]                                at /opt/rustwide/workdir/src/head/mod.rs:92:24
[INFO] [stdout]   27:     0x5618e84ccad2 - head[5f62c2f9cff836a0]::main
[INFO] [stdout]                                at /opt/rustwide/workdir/src/head/main.rs:4:21
[INFO] [stdout]   28:     0x5618e84ccbeb - <fn() as core[6883ba1bc0fe4ed1]::ops::function::FnOnce<()>>::call_once
[INFO] [stdout]                                at /rustc/6b3fa26749ab40e159b2dd5cf577acaaf5902772/library/core/src/ops/function.rs:250:5
[INFO] [stdout]   29:     0x5618e84cca5e - std[73adb7dc35730857]::sys::backtrace::__rust_begin_short_backtrace::<fn(), ()>
[INFO] [stdout]                                at /rustc/6b3fa26749ab40e159b2dd5cf577acaaf5902772/library/std/src/sys/backtrace.rs:166:18
[INFO] [stdout]   30:     0x5618e84cca81 - std[73adb7dc35730857]::rt::lang_start::<()>::{closure#0}
[INFO] [stdout]                                at /rustc/6b3fa26749ab40e159b2dd5cf577acaaf5902772/library/std/src/rt.rs:206:18
[INFO] [stdout]   31:     0x5618e8634547 - <&dyn core[6883ba1bc0fe4ed1]::ops::function::Fn<(), Output = i32> + core[6883ba1bc0fe4ed1]::panic::unwind_safe::RefUnwindSafe + core[6883ba1bc0fe4ed1]::marker::Sync as core[6883ba1bc0fe4ed1]::ops::function::FnOnce<()>>::call_once
[INFO] [stdout]                                at /rustc/6b3fa26749ab40e159b2dd5cf577acaaf5902772/library/core/src/ops/function.rs:287:21
[INFO] [stdout]   32:     0x5618e8634547 - std[73adb7dc35730857]::panicking::catch_unwind::do_call::<&dyn core[6883ba1bc0fe4ed1]::ops::function::Fn<(), Output = i32> + core[6883ba1bc0fe4ed1]::panic::unwind_safe::RefUnwindSafe + core[6883ba1bc0fe4ed1]::marker::Sync, i32>
[INFO] [stdout]                                at /rustc/6b3fa26749ab40e159b2dd5cf577acaaf5902772/library/std/src/panicking.rs:576:43
[INFO] [stdout]   33:     0x5618e8634547 - std[73adb7dc35730857]::panicking::catch_unwind::<i32, &dyn core[6883ba1bc0fe4ed1]::ops::function::Fn<(), Output = i32> + core[6883ba1bc0fe4ed1]::panic::unwind_safe::RefUnwindSafe + core[6883ba1bc0fe4ed1]::marker::Sync>
[INFO] [stdout]                                at /rustc/6b3fa26749ab40e159b2dd5cf577acaaf5902772/library/std/src/panicking.rs:544:19
[INFO] [stdout]   34:     0x5618e8634547 - std[73adb7dc35730857]::panic::catch_unwind::<&dyn core[6883ba1bc0fe4ed1]::ops::function::Fn<(), Output = i32> + core[6883ba1bc0fe4ed1]::panic::unwind_safe::RefUnwindSafe + core[6883ba1bc0fe4ed1]::marker::Sync, i32>
[INFO] [stdout]                                at /rustc/6b3fa26749ab40e159b2dd5cf577acaaf5902772/library/std/src/panic.rs:359:14
[INFO] [stdout]   35:     0x5618e8634547 - std[73adb7dc35730857]::rt::lang_start_internal::{closure#0}
[INFO] [stdout]                                at /rustc/6b3fa26749ab40e159b2dd5cf577acaaf5902772/library/std/src/rt.rs:175:24
[INFO] [stdout]   36:     0x5618e8634547 - std[73adb7dc35730857]::panicking::catch_unwind::do_call::<std[73adb7dc35730857]::rt::lang_start_internal::{closure#0}, isize>
[INFO] [stdout]                                at /rustc/6b3fa26749ab40e159b2dd5cf577acaaf5902772/library/std/src/panicking.rs:576:43
[INFO] [stdout]   37:     0x5618e8634547 - std[73adb7dc35730857]::panicking::catch_unwind::<isize, std[73adb7dc35730857]::rt::lang_start_internal::{closure#0}>
[INFO] [stdout]                                at /rustc/6b3fa26749ab40e159b2dd5cf577acaaf5902772/library/std/src/panicking.rs:544:19
[INFO] [stdout]   38:     0x5618e8634547 - std[73adb7dc35730857]::panic::catch_unwind::<std[73adb7dc35730857]::rt::lang_start_internal::{closure#0}, isize>
[INFO] [stdout]                                at /rustc/6b3fa26749ab40e159b2dd5cf577acaaf5902772/library/std/src/panic.rs:359:14
[INFO] [stdout]   39:     0x5618e8634547 - std[73adb7dc35730857]::rt::lang_start_internal
[INFO] [stdout]                                at /rustc/6b3fa26749ab40e159b2dd5cf577acaaf5902772/library/std/src/rt.rs:171:5
[INFO] [stdout]   40:     0x5618e84cca47 - std[73adb7dc35730857]::rt::lang_start::<()>
[INFO] [stdout]                                at /rustc/6b3fa26749ab40e159b2dd5cf577acaaf5902772/library/std/src/rt.rs:205:5
[INFO] [stdout]   41:     0x5618e84ccc7e - main
[INFO] [stdout]   42:     0x7e64a42411ca - <unknown>
[INFO] [stdout]   43:     0x7e64a424128b - __libc_start_main
[INFO] [stdout]   44:     0x5618e84cc8a5 - _start
[INFO] [stdout]   45:                0x0 - <unknown>
[INFO] [stdout] ```
[INFO] [stdout] ```
[INFO] [stdout] command=`"/opt/rustwide/target/debug/head" "tests/head/inputs/empty.txt" "-n" "2"`
[INFO] [stdout] code=101
[INFO] [stdout] stdout=""
[INFO] [stdout] stderr=<90 lines total>
[INFO] [stdout] ```
[INFO] [stdout] 
[INFO] [stdout] thread \'main\' (3163) panicked at /opt/rustwide/cargo-home/registry/src/index.crates.io-1949cf8c6b5b557f/clap-3.2.25/src/parser/matches/arg_matches.rs:547:22:
[INFO] [stdout] Must use `Arg::allow_invalid_utf8` with `_os` lookups at `files`
[INFO] [stdout] stack backtrace:
[INFO] [stdout]    0:     0x5618e8639601 - std[73adb7dc35730857]::backtrace_rs::backtrace::libunwind::trace
[INFO] [stdout]                                at /rustc/6b3fa26749ab40e159b2dd5cf577acaaf5902772/library/std/src/../../backtrace/src/backtrace/libunwind.rs:117:9
[INFO] [stdout]    1:     0x5618e8639601 - std[73adb7dc35730857]::backtrace_rs::backtrace::trace_unsynchronized::<std[73adb7dc35730857]::sys::backtrace::_print_fmt::{closure#1}>
[INFO] [stdout]                                at /rustc/6b3fa26749ab40e159b2dd5cf577acaaf5902772/library/std/src/../../backtrace/src/backtrace/mod.rs:66:14
[INFO] [stdout]    2:     0x5618e8639601 - std[73adb7dc35730857]::sys::backtrace::_print_fmt
[INFO] [stdout]                                at /rustc/6b3fa26749ab40e159b2dd5cf577acaaf5902772/library/std/src/sys/backtrace.rs:74:9
[INFO] [stdout]    3:     0x5618e8639601 - <<std[73adb7dc35730857]::sys::backtrace::BacktraceLock>::print::DisplayBacktrace as core[6883ba1bc0fe4ed1]::fmt::Display>::fmt
[INFO] [stdout]                                at /rustc/6b3fa26749ab40e159b2dd5cf577acaaf5902772/library/std/src/sys/backtrace.rs:44:26
[INFO] [stdout]    4:     0x5618e864d28a - <core[6883ba1bc0fe4ed1]::fmt::rt::Argument>::fmt
[INFO] [stdout]                                at /rustc/6b3fa26749ab40e159b2dd5cf577acaaf5902772/library/core/src/fmt/rt.rs:152:76
[INFO] [stdout]    5:     0x5618e864d28a - core[6883ba1bc0fe4ed1]::fmt::write
[INFO] [stdout]    6:     0x5618e863ecec - std[73adb7dc35730857]::io::default_write_fmt::<std[73adb7dc35730857]::sys::stdio::unix::Stderr>
[INFO] [stdout]                                at /rustc/6b3fa26749ab40e159b2dd5cf577acaaf5902772/library/std/src/io/mod.rs:626:11
[INFO] [stdout]    7:     0x5618e863ecec - <std[73adb7dc35730857]::sys::stdio::unix::Stderr as std[73adb7dc35730857]::io::Write>::write_fmt
[INFO] [stdout]                                at /rustc/6b3fa26749ab40e159b2dd5cf577acaaf5902772/library/std/src/io/mod.rs:1730:13
[INFO] [stdout]    8:     0x5618e8623e16 - <std[73adb7dc35730857]::sys::backtrace::BacktraceLock>::print
[INFO] [stdout] ```
[INFO] [stdout] <30 lines omitted>
[INFO] [stdout] ```
[INFO] [stdout]                                at /rustc/6b3fa26749ab40e159b2dd5cf577acaaf5902772/library/alloc/src/vec/mod.rs:3941:9
[INFO] [stdout]   24:     0x5618e84d308e - <core[6883ba1bc0fe4ed1]::iter::adapters::map::Map<core[6883ba1bc0fe4ed1]::iter::adapters::flatten::Flatten<core[6883ba1bc0fe4ed1]::slice::iter::Iter<alloc[55a36b64bcbf2c0d]::vec::Vec<clap[965b0170b9d3cf34]::parser::matches::any_value::AnyValue>>>, <clap[965b0170b9d3cf34]::parser::matches::arg_matches::ArgMatches>::values_of_lossy<&str>::{closure#0}> as core[6883ba1bc0fe4ed1]::iter::traits::iterator::Iterator>::collect::<alloc[55a36b64bcbf2c0d]::vec::Vec<alloc[55a36b64bcbf2c0d]::string::String>>
[INFO] [stdout]                                at /rustc/6b3fa26749ab40e159b2dd5cf577acaaf5902772/library/core/src/iter/traits/iterator.rs:2090:9
[INFO] [stdout]   25:     0x5618e84cd166 - <clap[965b0170b9d3cf34]::parser::matches::arg_matches::ArgMatches>::values_of_lossy::<&str>
[INFO] [stdout]                                at /opt/rustwide/cargo-home/registry/src/index.crates.io-1949cf8c6b5b557f/clap-3.2.25/src/parser/matches/arg_matches.rs:548:14
[INFO] [stdout]   26:     0x5618e84d718b - command_line_rust[2a7d65b3375657d0]::head::get_args
[INFO] [stdout]                                at /opt/rustwide/workdir/src/head/mod.rs:92:24
[INFO] [stdout]   27:     0x5618e84ccad2 - head[5f62c2f9cff836a0]::main
[INFO] [stdout]                                at /opt/rustwide/workdir/src/head/main.rs:4:21
[INFO] [stdout]   28:     0x5618e84ccbeb - <fn() as core[6883ba1bc0fe4ed1]::ops::function::FnOnce<()>>::call_once
[INFO] [stdout]                                at /rustc/6b3fa26749ab40e159b2dd5cf577acaaf5902772/library/core/src/ops/function.rs:250:5
[INFO] [stdout]   29:     0x5618e84cca5e - std[73adb7dc35730857]::sys::backtrace::__rust_begin_short_backtrace::<fn(), ()>
[INFO] [stdout]                                at /rustc/6b3fa26749ab40e159b2dd5cf577acaaf5902772/library/std/src/sys/backtrace.rs:166:18
[INFO] [stdout]   30:     0x5618e84cca81 - std[73adb7dc35730857]::rt::lang_start::<()>::{closure#0}
[INFO] [stdout]                                at /rustc/6b3fa26749ab40e159b2dd5cf577acaaf5902772/library/std/src/rt.rs:206:18
[INFO] [stdout]   31:     0x5618e8634547 - <&dyn core[6883ba1bc0fe4ed1]::ops::function::Fn<(), Output = i32> + core[6883ba1bc0fe4ed1]::panic::unwind_safe::RefUnwindSafe + core[6883ba1bc0fe4ed1]::marker::Sync as core[6883ba1bc0fe4ed1]::ops::function::FnOnce<()>>::call_once
[INFO] [stdout]                                at /rustc/6b3fa26749ab40e159b2dd5cf577acaaf5902772/library/core/src/ops/function.rs:287:21
[INFO] [stdout]   32:     0x5618e8634547 - std[73adb7dc35730857]::panicking::catch_unwind::do_call::<&dyn core[6883ba1bc0fe4ed1]::ops::function::Fn<(), Output = i32> + core[6883ba1bc0fe4ed1]::panic::unwind_safe::RefUnwindSafe + core[6883ba1bc0fe4ed1]::marker::Sync, i32>
[INFO] [stdout]                                at /rustc/6b3fa26749ab40e159b2dd5cf577acaaf5902772/library/std/src/panicking.rs:576:43
[INFO] [stdout]   33:     0x5618e8634547 - std[73adb7dc35730857]::panicking::catch_unwind::<i32, &dyn core[6883ba1bc0fe4ed1]::ops::function::Fn<(), Output = i32> + core[6883ba1bc0fe4ed1]::panic::unwind_safe::RefUnwindSafe + core[6883ba1bc0fe4ed1]::marker::Sync>
[INFO] [stdout]                                at /rustc/6b3fa26749ab40e159b2dd5cf577acaaf5902772/library/std/src/panicking.rs:544:19
[INFO] [stdout]   34:     0x5618e8634547 - std[73adb7dc35730857]::panic::catch_unwind::<&dyn core[6883ba1bc0fe4ed1]::ops::function::Fn<(), Output = i32> + core[6883ba1bc0fe4ed1]::panic::unwind_safe::RefUnwindSafe + core[6883ba1bc0fe4ed1]::marker::Sync, i32>
[INFO] [stdout]                                at /rustc/6b3fa26749ab40e159b2dd5cf577acaaf5902772/library/std/src/panic.rs:359:14
[INFO] [stdout]   35:     0x5618e8634547 - std[73adb7dc35730857]::rt::lang_start_internal::{closure#0}
[INFO] [stdout]                                at /rustc/6b3fa26749ab40e159b2dd5cf577acaaf5902772/library/std/src/rt.rs:175:24
[INFO] [stdout]   36:     0x5618e8634547 - std[73adb7dc35730857]::panicking::catch_unwind::do_call::<std[73adb7dc35730857]::rt::lang_start_internal::{closure#0}, isize>
[INFO] [stdout]                                at /rustc/6b3fa26749ab40e159b2dd5cf577acaaf5902772/library/std/src/panicking.rs:576:43
[INFO] [stdout]   37:     0x5618e8634547 - std[73adb7dc35730857]::panicking::catch_unwind::<isize, std[73adb7dc35730857]::rt::lang_start_internal::{closure#0}>
[INFO] [stdout]                                at /rustc/6b3fa26749ab40e159b2dd5cf577acaaf5902772/library/std/src/panicking.rs:544:19
[INFO] [stdout]   38:     0x5618e8634547 - std[73adb7dc35730857]::panic::catch_unwind::<std[73adb7dc35730857]::rt::lang_start_internal::{closure#0}, isize>
[INFO] [stdout]                                at /rustc/6b3fa26749ab40e159b2dd5cf577acaaf5902772/library/std/src/panic.rs:359:14
[INFO] [stdout]   39:     0x5618e8634547 - std[73adb7dc35730857]::rt::lang_start_internal
[INFO] [stdout]                                at /rustc/6b3fa26749ab40e159b2dd5cf577acaaf5902772/library/std/src/rt.rs:171:5
[INFO] [stdout]   40:     0x5618e84cca47 - std[73adb7dc35730857]::rt::lang_start::<()>
[INFO] [stdout]                                at /rustc/6b3fa26749ab40e159b2dd5cf577acaaf5902772/library/std/src/rt.rs:205:5
[INFO] [stdout]   41:     0x5618e84ccc7e - main
[INFO] [stdout]   42:     0x7e64a42411ca - <unknown>
[INFO] [stdout]   43:     0x7e64a424128b - __libc_start_main
[INFO] [stdout]   44:     0x5618e84cc8a5 - _start
[INFO] [stdout]   45:                0x0 - <unknown>
[INFO] [stdout] ```
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] stack backtrace:
[INFO] [stdout]    0:     0x5c98fa0d5011 - std[73adb7dc35730857]::backtrace_rs::backtrace::libunwind::trace
[INFO] [stdout]                                at /rustc/6b3fa26749ab40e159b2dd5cf577acaaf5902772/library/std/src/../../backtrace/src/backtrace/libunwind.rs:117:9
[INFO] [stdout]    1:     0x5c98fa0d5011 - std[73adb7dc35730857]::backtrace_rs::backtrace::trace_unsynchronized::<std[73adb7dc35730857]::sys::backtrace::_print_fmt::{closure#1}>
[INFO] [stdout]                                at /rustc/6b3fa26749ab40e159b2dd5cf577acaaf5902772/library/std/src/../../backtrace/src/backtrace/mod.rs:66:14
[INFO] [stdout]    2:     0x5c98fa0d5011 - std[73adb7dc35730857]::sys::backtrace::_print_fmt
[INFO] [stdout]                                at /rustc/6b3fa26749ab40e159b2dd5cf577acaaf5902772/library/std/src/sys/backtrace.rs:74:9
[INFO] [stdout]    3:     0x5c98fa0d5011 - <<std[73adb7dc35730857]::sys::backtrace::BacktraceLock>::print::DisplayBacktrace as core[6883ba1bc0fe4ed1]::fmt::Display>::fmt
[INFO] [stdout]                                at /rustc/6b3fa26749ab40e159b2dd5cf577acaaf5902772/library/std/src/sys/backtrace.rs:44:26
[INFO] [stdout]    4:     0x5c98fa0eb71a - <core[6883ba1bc0fe4ed1]::fmt::rt::Argument>::fmt
[INFO] [stdout]                                at /rustc/6b3fa26749ab40e159b2dd5cf577acaaf5902772/library/core/src/fmt/rt.rs:152:76
[INFO] [stdout]    5:     0x5c98fa0eb71a - core[6883ba1bc0fe4ed1]::fmt::write
[INFO] [stdout]    6:     0x5c98fa0da99c - std[73adb7dc35730857]::io::default_write_fmt::<alloc[55a36b64bcbf2c0d]::vec::Vec<u8>>
[INFO] [stdout]                                at /rustc/6b3fa26749ab40e159b2dd5cf577acaaf5902772/library/std/src/io/mod.rs:626:11
[INFO] [stdout]    7:     0x5c98fa0da99c - <alloc[55a36b64bcbf2c0d]::vec::Vec<u8> as std[73adb7dc35730857]::io::Write>::write_fmt
[INFO] [stdout]                                at /rustc/6b3fa26749ab40e159b2dd5cf577acaaf5902772/library/std/src/io/mod.rs:1730:13
[INFO] [stdout]    8:     0x5c98fa0b2986 - <std[73adb7dc35730857]::sys::backtrace::BacktraceLock>::print
[INFO] [stdout]                                at /rustc/6b3fa26749ab40e159b2dd5cf577acaaf5902772/library/std/src/sys/backtrace.rs:47:9
[INFO] [stdout]    9:     0x5c98fa0b2986 - std[73adb7dc35730857]::panicking::default_hook::{closure#0}
[INFO] [stdout]                                at /rustc/6b3fa26749ab40e159b2dd5cf577acaaf5902772/library/std/src/panicking.rs:292:27
[INFO] [stdout]   10:     0x5c98fa0ccd09 - std[73adb7dc35730857]::panicking::default_hook
[INFO] [stdout]                                at /rustc/6b3fa26749ab40e159b2dd5cf577acaaf5902772/library/std/src/panicking.rs:316:9
[INFO] [stdout]   11:     0x5c98f9e5fc40 - <alloc[55a36b64bcbf2c0d]::boxed::Box<dyn for<'a, 'b> core[6883ba1bc0fe4ed1]::ops::function::Fn<(&'a std[73adb7dc35730857]::panic::PanicHookInfo<'b>,), Output = ()> + core[6883ba1bc0fe4ed1]::marker::Send + core[6883ba1bc0fe4ed1]::marker::Sync> as core[6883ba1bc0fe4ed1]::ops::function::Fn<(&std[73adb7dc35730857]::panic::PanicHookInfo,)>>::call
[INFO] [stdout]                                at /rustc/6b3fa26749ab40e159b2dd5cf577acaaf5902772/library/alloc/src/boxed.rs:2333:9
[INFO] [stdout]   12:     0x5c98f9e5fc40 - test[980ffaebd391d06d]::test_main_inner::<test[980ffaebd391d06d]::test_main_static::{closure#0}>::{closure#0}
[INFO] [stdout]                                at /rustc/6b3fa26749ab40e159b2dd5cf577acaaf5902772/library/test/src/lib.rs:155:21
[INFO] [stdout]   13:     0x5c98fa0ccec2 - <alloc[55a36b64bcbf2c0d]::boxed::Box<dyn for<'a, 'b> core[6883ba1bc0fe4ed1]::ops::function::Fn<(&'a std[73adb7dc35730857]::panic::PanicHookInfo<'b>,), Output = ()> + core[6883ba1bc0fe4ed1]::marker::Send + core[6883ba1bc0fe4ed1]::marker::Sync> as core[6883ba1bc0fe4ed1]::ops::function::Fn<(&std[73adb7dc35730857]::panic::PanicHookInfo,)>>::call
[INFO] [stdout]                                at /rustc/6b3fa26749ab40e159b2dd5cf577acaaf5902772/library/alloc/src/boxed.rs:2333:9
[INFO] [stdout]   14:     0x5c98fa0ccec2 - std[73adb7dc35730857]::panicking::panic_with_hook
[INFO] [stdout]                                at /rustc/6b3fa26749ab40e159b2dd5cf577acaaf5902772/library/std/src/panicking.rs:823:13
[INFO] [stdout]   15:     0x5c98fa0b2a32 - std[73adb7dc35730857]::panicking::panic_handler::{closure#0}
[INFO] [stdout]                                at /rustc/6b3fa26749ab40e159b2dd5cf577acaaf5902772/library/std/src/panicking.rs:688:13
[INFO] [stdout]   16:     0x5c98fa0aa1d9 - std[73adb7dc35730857]::sys::backtrace::__rust_end_short_backtrace::<std[73adb7dc35730857]::panicking::panic_handler::{closure#0}, !>
[INFO] [stdout]                                at /rustc/6b3fa26749ab40e159b2dd5cf577acaaf5902772/library/std/src/sys/backtrace.rs:182:18
[INFO] [stdout]   17:     0x5c98fa0b362d - __rustc[a7b7b02e776dd976]::rust_begin_unwind
[INFO] [stdout]                                at /rustc/6b3fa26749ab40e159b2dd5cf577acaaf5902772/library/std/src/panicking.rs:679:5
[INFO] [stdout]   18:     0x5c98fa0ebf9c - core[6883ba1bc0fe4ed1]::panicking::panic_fmt
[INFO] [stdout]                                at /rustc/6b3fa26749ab40e159b2dd5cf577acaaf5902772/library/core/src/panicking.rs:80:14
[INFO] [stdout]   19:     0x5c98fa03b8b8 - core[6883ba1bc0fe4ed1]::panicking::panic_display::<assert_cmd[35418449b5f7a4b8]::assert::AssertError>
[INFO] [stdout]                                at /rustc/6b3fa26749ab40e159b2dd5cf577acaaf5902772/library/core/src/panicking.rs:259:5
[INFO] [stdout]   20:     0x5c98fa0426c7 - <assert_cmd[35418449b5f7a4b8]::assert::AssertError>::panic::<assert_cmd[35418449b5f7a4b8]::assert::Assert>
[INFO] [stdout]                                at /opt/rustwide/cargo-home/registry/src/index.crates.io-1949cf8c6b5b557f/assert_cmd-2.0.11/src/assert.rs:1033:9
[INFO] [stdout]   21:     0x5c98fa038947 - <<assert_cmd[35418449b5f7a4b8]::assert::AssertError>::panic<assert_cmd[35418449b5f7a4b8]::assert::Assert> as core[6883ba1bc0fe4ed1]::ops::function::FnOnce<(assert_cmd[35418449b5f7a4b8]::assert::AssertError,)>>::call_once
[INFO] [stdout]                                at /rustc/6b3fa26749ab40e159b2dd5cf577acaaf5902772/library/core/src/ops/function.rs:250:5
[INFO] [stdout]   22:     0x5c98fa041dfb - <core[6883ba1bc0fe4ed1]::result::Result<assert_cmd[35418449b5f7a4b8]::assert::Assert, assert_cmd[35418449b5f7a4b8]::assert::AssertError>>::unwrap_or_else::<<assert_cmd[35418449b5f7a4b8]::assert::AssertError>::panic<assert_cmd[35418449b5f7a4b8]::assert::Assert>>
[INFO] [stdout]                                at /rustc/6b3fa26749ab40e159b2dd5cf577acaaf5902772/library/core/src/result.rs:1620:23
[INFO] [stdout]   23:     0x5c98fa0442a0 - <assert_cmd[35418449b5f7a4b8]::assert::Assert>::success
[INFO] [stdout]                                at /opt/rustwide/cargo-home/registry/src/index.crates.io-1949cf8c6b5b557f/assert_cmd-2.0.11/src/assert.rs:158:28
[INFO] [stdout]   24:     0x5c98f9e4c073 - lib[ef69c164f1f8dd99]::head::run
[INFO] [stdout]                                at /opt/rustwide/workdir/tests/head/mod.rs:105:10
[INFO] [stdout]   25:     0x5c98f9e4e11e - lib[ef69c164f1f8dd99]::head::empty_n2
[INFO] [stdout]                                at /opt/rustwide/workdir/tests/head/mod.rs:138:5
[INFO] [stdout]   26:     0x5c98f9e47e17 - lib[ef69c164f1f8dd99]::head::empty_n2::{closure#0}
[INFO] [stdout]                                at /opt/rustwide/workdir/tests/head/mod.rs:137:18
[INFO] [stdout]   27:     0x5c98f9e52a56 - <lib[ef69c164f1f8dd99]::head::empty_n2::{closure#0} as core[6883ba1bc0fe4ed1]::ops::function::FnOnce<()>>::call_once
[INFO] [stdout]                                at /rustc/6b3fa26749ab40e159b2dd5cf577acaaf5902772/library/core/src/ops/function.rs:250:5
[INFO] [stdout]   28:     0x5c98f9e52f7b - <fn() -> core[6883ba1bc0fe4ed1]::result::Result<(), alloc[55a36b64bcbf2c0d]::string::String> as core[6883ba1bc0fe4ed1]::ops::function::FnOnce<()>>::call_once
[INFO] [stdout]                                at /rustc/6b3fa26749ab40e159b2dd5cf577acaaf5902772/library/core/src/ops/function.rs:250:5
[INFO] [stdout]   29:     0x5c98f9e52f7b - test[980ffaebd391d06d]::__rust_begin_short_backtrace::<core[6883ba1bc0fe4ed1]::result::Result<(), alloc[55a36b64bcbf2c0d]::string::String>, fn() -> core[6883ba1bc0fe4ed1]::result::Result<(), alloc[55a36b64bcbf2c0d]::string::String>>
[INFO] [stdout]                                at /rustc/6b3fa26749ab40e159b2dd5cf577acaaf5902772/library/test/src/lib.rs:724:18
[INFO] [stdout]   30:     0x5c98f9e605c5 - test[980ffaebd391d06d]::run_test_in_process::{closure#0}
[INFO] [stdout]                                at /rustc/6b3fa26749ab40e159b2dd5cf577acaaf5902772/library/test/src/lib.rs:747:74
[INFO] [stdout]   31:     0x5c98f9e605c5 - <core[6883ba1bc0fe4ed1]::panic::unwind_safe::AssertUnwindSafe<test[980ffaebd391d06d]::run_test_in_process::{closure#0}> as core[6883ba1bc0fe4ed1]::ops::function::FnOnce<()>>::call_once
[INFO] [stdout]                                at /rustc/6b3fa26749ab40e159b2dd5cf577acaaf5902772/library/core/src/panic/unwind_safe.rs:275:9
[INFO] [stdout]   32:     0x5c98f9e605c5 - std[73adb7dc35730857]::panicking::catch_unwind::do_call::<core[6883ba1bc0fe4ed1]::panic::unwind_safe::AssertUnwindSafe<test[980ffaebd391d06d]::run_test_in_process::{closure#0}>, core[6883ba1bc0fe4ed1]::result::Result<(), alloc[55a36b64bcbf2c0d]::string::String>>
[INFO] [stdout]                                at /rustc/6b3fa26749ab40e159b2dd5cf577acaaf5902772/library/std/src/panicking.rs:576:43
[INFO] [stdout]   33:     0x5c98f9e605c5 - std[73adb7dc35730857]::panicking::catch_unwind::<core[6883ba1bc0fe4ed1]::result::Result<(), alloc[55a36b64bcbf2c0d]::string::String>, core[6883ba1bc0fe4ed1]::panic::unwind_safe::AssertUnwindSafe<test[980ffaebd391d06d]::run_test_in_process::{closure#0}>>
[INFO] [stdout]                                at /rustc/6b3fa26749ab40e159b2dd5cf577acaaf5902772/library/std/src/panicking.rs:544:19
[INFO] [stdout]   34:     0x5c98f9e605c5 - std[73adb7dc35730857]::panic::catch_unwind::<core[6883ba1bc0fe4ed1]::panic::unwind_safe::AssertUnwindSafe<test[980ffaebd391d06d]::run_test_in_process::{closure#0}>, core[6883ba1bc0fe4ed1]::result::Result<(), alloc[55a36b64bcbf2c0d]::string::String>>
[INFO] [stdout]                                at /rustc/6b3fa26749ab40e159b2dd5cf577acaaf5902772/library/std/src/panic.rs:359:14
[INFO] [stdout]   35:     0x5c98f9e605c5 - test[980ffaebd391d06d]::run_test_in_process
[INFO] [stdout]                                at /rustc/6b3fa26749ab40e159b2dd5cf577acaaf5902772/library/test/src/lib.rs:747:27
[INFO] [stdout]   36:     0x5c98f9e605c5 - test[980ffaebd391d06d]::run_test::{closure#0}
[INFO] [stdout]                                at /rustc/6b3fa26749ab40e159b2dd5cf577acaaf5902772/library/test/src/lib.rs:668:43
[INFO] [stdout]   37:     0x5c98f9e5b074 - test[980ffaebd391d06d]::run_test::{closure#1}
[INFO] [stdout]                                at /rustc/6b3fa26749ab40e159b2dd5cf577acaaf5902772/library/test/src/lib.rs:698:41
[INFO] [stdout]   38:     0x5c98f9e5b074 - std[73adb7dc35730857]::sys::backtrace::__rust_begin_short_backtrace::<test[980ffaebd391d06d]::run_test::{closure#1}, ()>
[INFO] [stdout]                                at /rustc/6b3fa26749ab40e159b2dd5cf577acaaf5902772/library/std/src/sys/backtrace.rs:166:18
[INFO] [stdout]   39:     0x5c98f9e63712 - std[73adb7dc35730857]::thread::lifecycle::spawn_unchecked::<test[980ffaebd391d06d]::run_test::{closure#1}, ()>::{closure#1}::{closure#0}
[INFO] [stdout]                                at /rustc/6b3fa26749ab40e159b2dd5cf577acaaf5902772/library/std/src/thread/lifecycle.rs:70:13
[INFO] [stdout]   40:     0x5c98f9e63712 - <core[6883ba1bc0fe4ed1]::panic::unwind_safe::AssertUnwindSafe<std[73adb7dc35730857]::thread::lifecycle::spawn_unchecked<test[980ffaebd391d06d]::run_test::{closure#1}, ()>::{closure#1}::{closure#0}> as core[6883ba1bc0fe4ed1]::ops::function::FnOnce<()>>::call_once
[INFO] [stdout]                                at /rustc/6b3fa26749ab40e159b2dd5cf577acaaf5902772/library/core/src/panic/unwind_safe.rs:275:9
[INFO] [stdout]   41:     0x5c98f9e63712 - std[73adb7dc35730857]::panicking::catch_unwind::do_call::<core[6883ba1bc0fe4ed1]::panic::unwind_safe::AssertUnwindSafe<std[73adb7dc35730857]::thread::lifecycle::spawn_unchecked<test[980ffaebd391d06d]::run_test::{closure#1}, ()>::{closure#1}::{closure#0}>, ()>
[INFO] [stdout]                                at /rustc/6b3fa26749ab40e159b2dd5cf577acaaf5902772/library/std/src/panicking.rs:576:43
[INFO] [stdout]   42:     0x5c98f9e63712 - std[73adb7dc35730857]::panicking::catch_unwind::<(), core[6883ba1bc0fe4ed1]::panic::unwind_safe::AssertUnwindSafe<std[73adb7dc35730857]::thread::lifecycle::spawn_unchecked<test[980ffaebd391d06d]::run_test::{closure#1}, ()>::{closure#1}::{closure#0}>>
[INFO] [stdout]                                at /rustc/6b3fa26749ab40e159b2dd5cf577acaaf5902772/library/std/src/panicking.rs:544:19
[INFO] [stdout]   43:     0x5c98f9e63712 - std[73adb7dc35730857]::panic::catch_unwind::<core[6883ba1bc0fe4ed1]::panic::unwind_safe::AssertUnwindSafe<std[73adb7dc35730857]::thread::lifecycle::spawn_unchecked<test[980ffaebd391d06d]::run_test::{closure#1}, ()>::{closure#1}::{closure#0}>, ()>
[INFO] [stdout]                                at /rustc/6b3fa26749ab40e159b2dd5cf577acaaf5902772/library/std/src/panic.rs:359:14
[INFO] [stdout]   44:     0x5c98f9e63712 - std[73adb7dc35730857]::thread::lifecycle::spawn_unchecked::<test[980ffaebd391d06d]::run_test::{closure#1}, ()>::{closure#1}
[INFO] [stdout]                                at /rustc/6b3fa26749ab40e159b2dd5cf577acaaf5902772/library/std/src/thread/lifecycle.rs:68:26
[INFO] [stdout]   45:     0x5c98f9e63712 - <std[73adb7dc35730857]::thread::lifecycle::spawn_unchecked<test[980ffaebd391d06d]::run_test::{closure#1}, ()>::{closure#1} as core[6883ba1bc0fe4ed1]::ops::function::FnOnce<()>>::call_once::{shim:vtable#0}
[INFO] [stdout]                                at /rustc/6b3fa26749ab40e159b2dd5cf577acaaf5902772/library/core/src/ops/function.rs:250:5
[INFO] [stdout]   46:     0x5c98fa0d44af - <alloc[55a36b64bcbf2c0d]::boxed::Box<dyn core[6883ba1bc0fe4ed1]::ops::function::FnOnce<(), Output = ()> + core[6883ba1bc0fe4ed1]::marker::Send> as core[6883ba1bc0fe4ed1]::ops::function::FnOnce<()>>::call_once
[INFO] [stdout]                                at /rustc/6b3fa26749ab40e159b2dd5cf577acaaf5902772/library/alloc/src/boxed.rs:2319:9
[INFO] [stdout]   47:     0x5c98fa0d44af - <std[73adb7dc35730857]::sys::thread::unix::Thread>::new::thread_start
[INFO] [stdout]                                at /rustc/6b3fa26749ab40e159b2dd5cf577acaaf5902772/library/std/src/sys/thread/unix.rs:123:17
[INFO] [stdout]   48:     0x718092357aa4 - <unknown>
[INFO] [stdout]   49:     0x7180923e4a64 - clone
[INFO] [stdout]   50:                0x0 - <unknown>
[INFO] [stdout] 
[INFO] [stdout] ---- head::one stdout ----
[INFO] [stdout] 
[INFO] [stdout] thread 'head::one' (3166) panicked at /rustc/6b3fa26749ab40e159b2dd5cf577acaaf5902772/library/core/src/ops/function.rs:250:5:
[INFO] [stdout] Unexpected failure.
[INFO] [stdout] code-101
[INFO] [stdout] stderr=```<90 lines total>
[INFO] [stdout] ```
[INFO] [stdout] 
[INFO] [stdout] thread \'main\' (3196) panicked at /opt/rustwide/cargo-home/registry/src/index.crates.io-1949cf8c6b5b557f/clap-3.2.25/src/parser/matches/arg_matches.rs:547:22:
[INFO] [stdout] Must use `Arg::allow_invalid_utf8` with `_os` lookups at `files`
[INFO] [stdout] stack backtrace:
[INFO] [stdout]    0:     0x5906d4dce601 - std[73adb7dc35730857]::backtrace_rs::backtrace::libunwind::trace
[INFO] [stdout]                                at /rustc/6b3fa26749ab40e159b2dd5cf577acaaf5902772/library/std/src/../../backtrace/src/backtrace/libunwind.rs:117:9
[INFO] [stdout]    1:     0x5906d4dce601 - std[73adb7dc35730857]::backtrace_rs::backtrace::trace_unsynchronized::<std[73adb7dc35730857]::sys::backtrace::_print_fmt::{closure#1}>
[INFO] [stdout]                                at /rustc/6b3fa26749ab40e159b2dd5cf577acaaf5902772/library/std/src/../../backtrace/src/backtrace/mod.rs:66:14
[INFO] [stdout]    2:     0x5906d4dce601 - std[73adb7dc35730857]::sys::backtrace::_print_fmt
[INFO] [stdout]                                at /rustc/6b3fa26749ab40e159b2dd5cf577acaaf5902772/library/std/src/sys/backtrace.rs:74:9
[INFO] [stdout]    3:     0x5906d4dce601 - <<std[73adb7dc35730857]::sys::backtrace::BacktraceLock>::print::DisplayBacktrace as core[6883ba1bc0fe4ed1]::fmt::Display>::fmt
[INFO] [stdout]                                at /rustc/6b3fa26749ab40e159b2dd5cf577acaaf5902772/library/std/src/sys/backtrace.rs:44:26
[INFO] [stdout]    4:     0x5906d4de228a - <core[6883ba1bc0fe4ed1]::fmt::rt::Argument>::fmt
[INFO] [stdout]                                at /rustc/6b3fa26749ab40e159b2dd5cf577acaaf5902772/library/core/src/fmt/rt.rs:152:76
[INFO] [stdout]    5:     0x5906d4de228a - core[6883ba1bc0fe4ed1]::fmt::write
[INFO] [stdout]    6:     0x5906d4dd3cec - std[73adb7dc35730857]::io::default_write_fmt::<std[73adb7dc35730857]::sys::stdio::unix::Stderr>
[INFO] [stdout]                                at /rustc/6b3fa26749ab40e159b2dd5cf577acaaf5902772/library/std/src/io/mod.rs:626:11
[INFO] [stdout]    7:     0x5906d4dd3cec - <std[73adb7dc35730857]::sys::stdio::unix::Stderr as std[73adb7dc35730857]::io::Write>::write_fmt
[INFO] [stdout]                                at /rustc/6b3fa26749ab40e159b2dd5cf577acaaf5902772/library/std/src/io/mod.rs:1730:13
[INFO] [stdout]    8:     0x5906d4db8e16 - <std[73adb7dc35730857]::sys::backtrace::BacktraceLock>::print
[INFO] [stdout] ```
[INFO] [stdout] <30 lines omitted>
[INFO] [stdout] ```
[INFO] [stdout]                                at /rustc/6b3fa26749ab40e159b2dd5cf577acaaf5902772/library/alloc/src/vec/mod.rs:3941:9
[INFO] [stdout]   24:     0x5906d4c6808e - <core[6883ba1bc0fe4ed1]::iter::adapters::map::Map<core[6883ba1bc0fe4ed1]::iter::adapters::flatten::Flatten<core[6883ba1bc0fe4ed1]::slice::iter::Iter<alloc[55a36b64bcbf2c0d]::vec::Vec<clap[965b0170b9d3cf34]::parser::matches::any_value::AnyValue>>>, <clap[965b0170b9d3cf34]::parser::matches::arg_matches::ArgMatches>::values_of_lossy<&str>::{closure#0}> as core[6883ba1bc0fe4ed1]::iter::traits::iterator::Iterator>::collect::<alloc[55a36b64bcbf2c0d]::vec::Vec<alloc[55a36b64bcbf2c0d]::string::String>>
[INFO] [stdout]                                at /rustc/6b3fa26749ab40e159b2dd5cf577acaaf5902772/library/core/src/iter/traits/iterator.rs:2090:9
[INFO] [stdout]   25:     0x5906d4c62166 - <clap[965b0170b9d3cf34]::parser::matches::arg_matches::ArgMatches>::values_of_lossy::<&str>
[INFO] [stdout]                                at /opt/rustwide/cargo-home/registry/src/index.crates.io-1949cf8c6b5b557f/clap-3.2.25/src/parser/matches/arg_matches.rs:548:14
[INFO] [stdout]   26:     0x5906d4c6c18b - command_line_rust[2a7d65b3375657d0]::head::get_args
[INFO] [stdout]                                at /opt/rustwide/workdir/src/head/mod.rs:92:24
[INFO] [stdout]   27:     0x5906d4c61ad2 - head[5f62c2f9cff836a0]::main
[INFO] [stdout]                                at /opt/rustwide/workdir/src/head/main.rs:4:21
[INFO] [stdout]   28:     0x5906d4c61beb - <fn() as core[6883ba1bc0fe4ed1]::ops::function::FnOnce<()>>::call_once
[INFO] [stdout]                                at /rustc/6b3fa26749ab40e159b2dd5cf577acaaf5902772/library/core/src/ops/function.rs:250:5
[INFO] [stdout]   29:     0x5906d4c61a5e - std[73adb7dc35730857]::sys::backtrace::__rust_begin_short_backtrace::<fn(), ()>
[INFO] [stdout]                                at /rustc/6b3fa26749ab40e159b2dd5cf577acaaf5902772/library/std/src/sys/backtrace.rs:166:18
[INFO] [stdout]   30:     0x5906d4c61a81 - std[73adb7dc35730857]::rt::lang_start::<()>::{closure#0}
[INFO] [stdout]                                at /rustc/6b3fa26749ab40e159b2dd5cf577acaaf5902772/library/std/src/rt.rs:206:18
[INFO] [stdout]   31:     0x5906d4dc9547 - <&dyn core[6883ba1bc0fe4ed1]::ops::function::Fn<(), Output = i32> + core[6883ba1bc0fe4ed1]::panic::unwind_safe::RefUnwindSafe + core[6883ba1bc0fe4ed1]::marker::Sync as core[6883ba1bc0fe4ed1]::ops::function::FnOnce<()>>::call_once
[INFO] [stdout]                                at /rustc/6b3fa26749ab40e159b2dd5cf577acaaf5902772/library/core/src/ops/function.rs:287:21
[INFO] [stdout]   32:     0x5906d4dc9547 - std[73adb7dc35730857]::panicking::catch_unwind::do_call::<&dyn core[6883ba1bc0fe4ed1]::ops::function::Fn<(), Output = i32> + core[6883ba1bc0fe4ed1]::panic::unwind_safe::RefUnwindSafe + core[6883ba1bc0fe4ed1]::marker::Sync, i32>
[INFO] [stdout]                                at /rustc/6b3fa26749ab40e159b2dd5cf577acaaf5902772/library/std/src/panicking.rs:576:43
[INFO] [stdout]   33:     0x5906d4dc9547 - std[73adb7dc35730857]::panicking::catch_unwind::<i32, &dyn core[6883ba1bc0fe4ed1]::ops::function::Fn<(), Output = i32> + core[6883ba1bc0fe4ed1]::panic::unwind_safe::RefUnwindSafe + core[6883ba1bc0fe4ed1]::marker::Sync>
[INFO] [stdout]                                at /rustc/6b3fa26749ab40e159b2dd5cf577acaaf5902772/library/std/src/panicking.rs:544:19
[INFO] [stdout]   34:     0x5906d4dc9547 - std[73adb7dc35730857]::panic::catch_unwind::<&dyn core[6883ba1bc0fe4ed1]::ops::function::Fn<(), Output = i32> + core[6883ba1bc0fe4ed1]::panic::unwind_safe::RefUnwindSafe + core[6883ba1bc0fe4ed1]::marker::Sync, i32>
[INFO] [stdout]                                at /rustc/6b3fa26749ab40e159b2dd5cf577acaaf5902772/library/std/src/panic.rs:359:14
[INFO] [stdout]   35:     0x5906d4dc9547 - std[73adb7dc35730857]::rt::lang_start_internal::{closure#0}
[INFO] [stdout]                                at /rustc/6b3fa26749ab40e159b2dd5cf577acaaf5902772/library/std/src/rt.rs:175:24
[INFO] [stdout]   36:     0x5906d4dc9547 - std[73adb7dc35730857]::panicking::catch_unwind::do_call::<std[73adb7dc35730857]::rt::lang_start_internal::{closure#0}, isize>
[INFO] [stdout]                                at /rustc/6b3fa26749ab40e159b2dd5cf577acaaf5902772/library/std/src/panicking.rs:576:43
[INFO] [stdout]   37:     0x5906d4dc9547 - std[73adb7dc35730857]::panicking::catch_unwind::<isize, std[73adb7dc35730857]::rt::lang_start_internal::{closure#0}>
[INFO] [stdout]                                at /rustc/6b3fa26749ab40e159b2dd5cf577acaaf5902772/library/std/src/panicking.rs:544:19
[INFO] [stdout]   38:     0x5906d4dc9547 - std[73adb7dc35730857]::panic::catch_unwind::<std[73adb7dc35730857]::rt::lang_start_internal::{closure#0}, isize>
[INFO] [stdout]                                at /rustc/6b3fa26749ab40e159b2dd5cf577acaaf5902772/library/std/src/panic.rs:359:14
[INFO] [stdout]   39:     0x5906d4dc9547 - std[73adb7dc35730857]::rt::lang_start_internal
[INFO] [stdout]                                at /rustc/6b3fa26749ab40e159b2dd5cf577acaaf5902772/library/std/src/rt.rs:171:5
[INFO] [stdout]   40:     0x5906d4c61a47 - std[73adb7dc35730857]::rt::lang_start::<()>
[INFO] [stdout]                                at /rustc/6b3fa26749ab40e159b2dd5cf577acaaf5902772/library/std/src/rt.rs:205:5
[INFO] [stdout]   41:     0x5906d4c61c7e - main
[INFO] [stdout]   42:     0x74cc54b241ca - <unknown>
[INFO] [stdout]   43:     0x74cc54b2428b - __libc_start_main
[INFO] [stdout]   44:     0x5906d4c618a5 - _start
[INFO] [stdout]   45:                0x0 - <unknown>
[INFO] [stdout] ```
[INFO] [stdout] ```
[INFO] [stdout] command=`"/opt/rustwide/target/debug/head" "tests/head/inputs/one.txt"`
[INFO] [stdout] code=101
[INFO] [stdout] stdout=""
[INFO] [stdout] stderr=<90 lines total>
[INFO] [stdout] ```
[INFO] [stdout] 
[INFO] [stdout] thread \'main\' (3196) panicked at /opt/rustwide/cargo-home/registry/src/index.crates.io-1949cf8c6b5b557f/clap-3.2.25/src/parser/matches/arg_matches.rs:547:22:
[INFO] [stdout] Must use `Arg::allow_invalid_utf8` with `_os` lookups at `files`
[INFO] [stdout] stack backtrace:
[INFO] [stdout]    0:     0x5906d4dce601 - std[73adb7dc35730857]::backtrace_rs::backtrace::libunwind::trace
[INFO] [stdout]                                at /rustc/6b3fa26749ab40e159b2dd5cf577acaaf5902772/library/std/src/../../backtrace/src/backtrace/libunwind.rs:117:9
[INFO] [stdout]    1:     0x5906d4dce601 - std[73adb7dc35730857]::backtrace_rs::backtrace::trace_unsynchronized::<std[73adb7dc35730857]::sys::backtrace::_print_fmt::{closure#1}>
[INFO] [stdout]                                at /rustc/6b3fa26749ab40e159b2dd5cf577acaaf5902772/library/std/src/../../backtrace/src/backtrace/mod.rs:66:14
[INFO] [stdout]    2:     0x5906d4dce601 - std[73adb7dc35730857]::sys::backtrace::_print_fmt
[INFO] [stdout]                                at /rustc/6b3fa26749ab40e159b2dd5cf577acaaf5902772/library/std/src/sys/backtrace.rs:74:9
[INFO] [stdout]    3:     0x5906d4dce601 - <<std[73adb7dc35730857]::sys::backtrace::BacktraceLock>::print::DisplayBacktrace as core[6883ba1bc0fe4ed1]::fmt::Display>::fmt
[INFO] [stdout]                                at /rustc/6b3fa26749ab40e159b2dd5cf577acaaf5902772/library/std/src/sys/backtrace.rs:44:26
[INFO] [stdout]    4:     0x5906d4de228a - <core[6883ba1bc0fe4ed1]::fmt::rt::Argument>::fmt
[INFO] [stdout]                                at /rustc/6b3fa26749ab40e159b2dd5cf577acaaf5902772/library/core/src/fmt/rt.rs:152:76
[INFO] [stdout]    5:     0x5906d4de228a - core[6883ba1bc0fe4ed1]::fmt::write
[INFO] [stdout]    6:     0x5906d4dd3cec - std[73adb7dc35730857]::io::default_write_fmt::<std[73adb7dc35730857]::sys::stdio::unix::Stderr>
[INFO] [stdout]                                at /rustc/6b3fa26749ab40e159b2dd5cf577acaaf5902772/library/std/src/io/mod.rs:626:11
[INFO] [stdout]    7:     0x5906d4dd3cec - <std[73adb7dc35730857]::sys::stdio::unix::Stderr as std[73adb7dc35730857]::io::Write>::write_fmt
[INFO] [stdout]                                at /rustc/6b3fa26749ab40e159b2dd5cf577acaaf5902772/library/std/src/io/mod.rs:1730:13
[INFO] [stdout]    8:     0x5906d4db8e16 - <std[73adb7dc35730857]::sys::backtrace::BacktraceLock>::print
[INFO] [stdout] ```
[INFO] [stdout] <30 lines omitted>
[INFO] [stdout] ```
[INFO] [stdout]                                at /rustc/6b3fa26749ab40e159b2dd5cf577acaaf5902772/library/alloc/src/vec/mod.rs:3941:9
[INFO] [stdout]   24:     0x5906d4c6808e - <core[6883ba1bc0fe4ed1]::iter::adapters::map::Map<core[6883ba1bc0fe4ed1]::iter::adapters::flatten::Flatten<core[6883ba1bc0fe4ed1]::slice::iter::Iter<alloc[55a36b64bcbf2c0d]::vec::Vec<clap[965b0170b9d3cf34]::parser::matches::any_value::AnyValue>>>, <clap[965b0170b9d3cf34]::parser::matches::arg_matches::ArgMatches>::values_of_lossy<&str>::{closure#0}> as core[6883ba1bc0fe4ed1]::iter::traits::iterator::Iterator>::collect::<alloc[55a36b64bcbf2c0d]::vec::Vec<alloc[55a36b64bcbf2c0d]::string::String>>
[INFO] [stdout]                                at /rustc/6b3fa26749ab40e159b2dd5cf577acaaf5902772/library/core/src/iter/traits/iterator.rs:2090:9
[INFO] [stdout]   25:     0x5906d4c62166 - <clap[965b0170b9d3cf34]::parser::matches::arg_matches::ArgMatches>::values_of_lossy::<&str>
[INFO] [stdout]                                at /opt/rustwide/cargo-home/registry/src/index.crates.io-1949cf8c6b5b557f/clap-3.2.25/src/parser/matches/arg_matches.rs:548:14
[INFO] [stdout]   26:     0x5906d4c6c18b - command_line_rust[2a7d65b3375657d0]::head::get_args
[INFO] [stdout]                                at /opt/rustwide/workdir/src/head/mod.rs:92:24
[INFO] [stdout]   27:     0x5906d4c61ad2 - head[5f62c2f9cff836a0]::main
[INFO] [stdout]                                at /opt/rustwide/workdir/src/head/main.rs:4:21
[INFO] [stdout]   28:     0x5906d4c61beb - <fn() as core[6883ba1bc0fe4ed1]::ops::function::FnOnce<()>>::call_once
[INFO] [stdout]                                at /rustc/6b3fa26749ab40e159b2dd5cf577acaaf5902772/library/core/src/ops/function.rs:250:5
[INFO] [stdout]   29:     0x5906d4c61a5e - std[73adb7dc35730857]::sys::backtrace::__rust_begin_short_backtrace::<fn(), ()>
[INFO] [stdout]                                at /rustc/6b3fa26749ab40e159b2dd5cf577acaaf5902772/library/std/src/sys/backtrace.rs:166:18
[INFO] [stdout]   30:     0x5906d4c61a81 - std[73adb7dc35730857]::rt::lang_start::<()>::{closure#0}
[INFO] [stdout]                                at /rustc/6b3fa26749ab40e159b2dd5cf577acaaf5902772/library/std/src/rt.rs:206:18
[INFO] [stdout]   31:     0x5906d4dc9547 - <&dyn core[6883ba1bc0fe4ed1]::ops::function::Fn<(), Output = i32> + core[6883ba1bc0fe4ed1]::panic::unwind_safe::RefUnwindSafe + core[6883ba1bc0fe4ed1]::marker::Sync as core[6883ba1bc0fe4ed1]::ops::function::FnOnce<()>>::call_once
[INFO] [stdout]                                at /rustc/6b3fa26749ab40e159b2dd5cf577acaaf5902772/library/core/src/ops/function.rs:287:21
[INFO] [stdout]   32:     0x5906d4dc9547 - std[73adb7dc35730857]::panicking::catch_unwind::do_call::<&dyn core[6883ba1bc0fe4ed1]::ops::function::Fn<(), Output = i32> + core[6883ba1bc0fe4ed1]::panic::unwind_safe::RefUnwindSafe + core[6883ba1bc0fe4ed1]::marker::Sync, i32>
[INFO] [stdout]                                at /rustc/6b3fa26749ab40e159b2dd5cf577acaaf5902772/library/std/src/panicking.rs:576:43
[INFO] [stdout]   33:     0x5906d4dc9547 - std[73adb7dc35730857]::panicking::catch_unwind::<i32, &dyn core[6883ba1bc0fe4ed1]::ops::function::Fn<(), Output = i32> + core[6883ba1bc0fe4ed1]::panic::unwind_safe::RefUnwindSafe + core[6883ba1bc0fe4ed1]::marker::Sync>
[INFO] [stdout]                                at /rustc/6b3fa26749ab40e159b2dd5cf577acaaf5902772/library/std/src/panicking.rs:544:19
[INFO] [stdout]   34:     0x5906d4dc9547 - std[73adb7dc35730857]::panic::catch_unwind::<&dyn core[6883ba1bc0fe4ed1]::ops::function::Fn<(), Output = i32> + core[6883ba1bc0fe4ed1]::panic::unwind_safe::RefUnwindSafe + core[6883ba1bc0fe4ed1]::marker::Sync, i32>
[INFO] [stdout]                                at /rustc/6b3fa26749ab40e159b2dd5cf577acaaf5902772/library/std/src/panic.rs:359:14
[INFO] [stdout]   35:     0x5906d4dc9547 - std[73adb7dc35730857]::rt::lang_start_internal::{closure#0}
[INFO] [stdout]                                at /rustc/6b3fa26749ab40e159b2dd5cf577acaaf5902772/library/std/src/rt.rs:175:24
[INFO] [stdout]   36:     0x5906d4dc9547 - std[73adb7dc35730857]::panicking::catch_unwind::do_call::<std[73adb7dc35730857]::rt::lang_start_internal::{closure#0}, isize>
[INFO] [stdout]                                at /rustc/6b3fa26749ab40e159b2dd5cf577acaaf5902772/library/std/src/panicking.rs:576:43
[INFO] [stdout]   37:     0x5906d4dc9547 - std[73adb7dc35730857]::panicking::catch_unwind::<isize, std[73adb7dc35730857]::rt::lang_start_internal::{closure#0}>
[INFO] [stdout]                                at /rustc/6b3fa26749ab40e159b2dd5cf577acaaf5902772/library/std/src/panicking.rs:544:19
[INFO] [stdout]   38:     0x5906d4dc9547 - std[73adb7dc35730857]::panic::catch_unwind::<std[73adb7dc35730857]::rt::lang_start_internal::{closure#0}, isize>
[INFO] [stdout]                                at /rustc/6b3fa26749ab40e159b2dd5cf577acaaf5902772/library/std/src/panic.rs:359:14
[INFO] [stdout]   39:     0x5906d4dc9547 - std[73adb7dc35730857]::rt::lang_start_internal
[INFO] [stdout]                                at /rustc/6b3fa26749ab40e159b2dd5cf577acaaf5902772/library/std/src/rt.rs:171:5
[INFO] [stdout]   40:     0x5906d4c61a47 - std[73adb7dc35730857]::rt::lang_start::<()>
[INFO] [stdout]                                at /rustc/6b3fa26749ab40e159b2dd5cf577acaaf5902772/library/std/src/rt.rs:205:5
[INFO] [stdout]   41:     0x5906d4c61c7e - main
[INFO] [stdout]   42:     0x74cc54b241ca - <unknown>
[INFO] [stdout]   43:     0x74cc54b2428b - __libc_start_main
[INFO] [stdout]   44:     0x5906d4c618a5 - _start
[INFO] [stdout]   45:                0x0 - <unknown>
[INFO] [stdout] ```
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] stack backtrace:
[INFO] [stdout]    0:     0x5c98fa0d5011 - std[73adb7dc35730857]::backtrace_rs::backtrace::libunwind::trace
[INFO] [stdout]                                at /rustc/6b3fa26749ab40e159b2dd5cf577acaaf5902772/library/std/src/../../backtrace/src/backtrace/libunwind.rs:117:9
[INFO] [stdout]    1:     0x5c98fa0d5011 - std[73adb7dc35730857]::backtrace_rs::backtrace::trace_unsynchronized::<std[73adb7dc35730857]::sys::backtrace::_print_fmt::{closure#1}>
[INFO] [stdout]                                at /rustc/6b3fa26749ab40e159b2dd5cf577acaaf5902772/library/std/src/../../backtrace/src/backtrace/mod.rs:66:14
[INFO] [stdout]    2:     0x5c98fa0d5011 - std[73adb7dc35730857]::sys::backtrace::_print_fmt
[INFO] [stdout]                                at /rustc/6b3fa26749ab40e159b2dd5cf577acaaf5902772/library/std/src/sys/backtrace.rs:74:9
[INFO] [stdout]    3:     0x5c98fa0d5011 - <<std[73adb7dc35730857]::sys::backtrace::BacktraceLock>::print::DisplayBacktrace as core[6883ba1bc0fe4ed1]::fmt::Display>::fmt
[INFO] [stdout]                                at /rustc/6b3fa26749ab40e159b2dd5cf577acaaf5902772/library/std/src/sys/backtrace.rs:44:26
[INFO] [stdout]    4:     0x5c98fa0eb71a - <core[6883ba1bc0fe4ed1]::fmt::rt::Argument>::fmt
[INFO] [stdout]                                at /rustc/6b3fa26749ab40e159b2dd5cf577acaaf5902772/library/core/src/fmt/rt.rs:152:76
[INFO] [stdout]    5:     0x5c98fa0eb71a - core[6883ba1bc0fe4ed1]::fmt::write
[INFO] [stdout]    6:     0x5c98fa0da99c - std[73adb7dc35730857]::io::default_write_fmt::<alloc[55a36b64bcbf2c0d]::vec::Vec<u8>>
[INFO] [stdout]                                at /rustc/6b3fa26749ab40e159b2dd5cf577acaaf5902772/library/std/src/io/mod.rs:626:11
[INFO] [stdout]    7:     0x5c98fa0da99c - <alloc[55a36b64bcbf2c0d]::vec::Vec<u8> as std[73adb7dc35730857]::io::Write>::write_fmt
[INFO] [stdout]                                at /rustc/6b3fa26749ab40e159b2dd5cf577acaaf5902772/library/std/src/io/mod.rs:1730:13
[INFO] [stdout]    8:     0x5c98fa0b2986 - <std[73adb7dc35730857]::sys::backtrace::BacktraceLock>::print
[INFO] [stdout]                                at /rustc/6b3fa26749ab40e159b2dd5cf577acaaf5902772/library/std/src/sys/backtrace.rs:47:9
[INFO] [stdout]    9:     0x5c98fa0b2986 - std[73adb7dc35730857]::panicking::default_hook::{closure#0}
[INFO] [stdout]                                at /rustc/6b3fa26749ab40e159b2dd5cf577acaaf5902772/library/std/src/panicking.rs:292:27
[INFO] [stdout]   10:     0x5c98fa0ccd09 - std[73adb7dc35730857]::panicking::default_hook
[INFO] [stdout]                                at /rustc/6b3fa26749ab40e159b2dd5cf577acaaf5902772/library/std/src/panicking.rs:316:9
[INFO] [stdout]   11:     0x5c98f9e5fc40 - <alloc[55a36b64bcbf2c0d]::boxed::Box<dyn for<'a, 'b> core[6883ba1bc0fe4ed1]::ops::function::Fn<(&'a std[73adb7dc35730857]::panic::PanicHookInfo<'b>,), Output = ()> + core[6883ba1bc0fe4ed1]::marker::Send + core[6883ba1bc0fe4ed1]::marker::Sync> as core[6883ba1bc0fe4ed1]::ops::function::Fn<(&std[73adb7dc35730857]::panic::PanicHookInfo,)>>::call
[INFO] [stdout]                                at /rustc/6b3fa26749ab40e159b2dd5cf577acaaf5902772/library/alloc/src/boxed.rs:2333:9
[INFO] [stdout]   12:     0x5c98f9e5fc40 - test[980ffaebd391d06d]::test_main_inner::<test[980ffaebd391d06d]::test_main_static::{closure#0}>::{closure#0}
[INFO] [stdout]                                at /rustc/6b3fa26749ab40e159b2dd5cf577acaaf5902772/library/test/src/lib.rs:155:21
[INFO] [stdout]   13:     0x5c98fa0ccec2 - <alloc[55a36b64bcbf2c0d]::boxed::Box<dyn for<'a, 'b> core[6883ba1bc0fe4ed1]::ops::function::Fn<(&'a std[73adb7dc35730857]::panic::PanicHookInfo<'b>,), Output = ()> + core[6883ba1bc0fe4ed1]::marker::Send + core[6883ba1bc0fe4ed1]::marker::Sync> as core[6883ba1bc0fe4ed1]::ops::function::Fn<(&std[73adb7dc35730857]::panic::PanicHookInfo,)>>::call
[INFO] [stdout]                                at /rustc/6b3fa26749ab40e159b2dd5cf577acaaf5902772/library/alloc/src/boxed.rs:2333:9
[INFO] [stdout]   14:     0x5c98fa0ccec2 - std[73adb7dc35730857]::panicking::panic_with_hook
[INFO] [stdout]                                at /rustc/6b3fa26749ab40e159b2dd5cf577acaaf5902772/library/std/src/panicking.rs:823:13
[INFO] [stdout]   15:     0x5c98fa0b2a32 - std[73adb7dc35730857]::panicking::panic_handler::{closure#0}
[INFO] [stdout]                                at /rustc/6b3fa26749ab40e159b2dd5cf577acaaf5902772/library/std/src/panicking.rs:688:13
[INFO] [stdout]   16:     0x5c98fa0aa1d9 - std[73adb7dc35730857]::sys::backtrace::__rust_end_short_backtrace::<std[73adb7dc35730857]::panicking::panic_handler::{closure#0}, !>
[INFO] [stdout]                                at /rustc/6b3fa26749ab40e159b2dd5cf577acaaf5902772/library/std/src/sys/backtrace.rs:182:18
[INFO] [stdout]   17:     0x5c98fa0b362d - __rustc[a7b7b02e776dd976]::rust_begin_unwind
[INFO] [stdout]                                at /rustc/6b3fa26749ab40e159b2dd5cf577acaaf5902772/library/std/src/panicking.rs:679:5
[INFO] [stdout]   18:     0x5c98fa0ebf9c - core[6883ba1bc0fe4ed1]::panicking::panic_fmt
[INFO] [stdout]                                at /rustc/6b3fa26749ab40e159b2dd5cf577acaaf5902772/library/core/src/panicking.rs:80:14
[INFO] [stdout]   19:     0x5c98fa03b8b8 - core[6883ba1bc0fe4ed1]::panicking::panic_display::<assert_cmd[35418449b5f7a4b8]::assert::AssertError>
[INFO] [stdout]                                at /rustc/6b3fa26749ab40e159b2dd5cf577acaaf5902772/library/core/src/panicking.rs:259:5
[INFO] [stdout]   20:     0x5c98fa0426c7 - <assert_cmd[35418449b5f7a4b8]::assert::AssertError>::panic::<assert_cmd[35418449b5f7a4b8]::assert::Assert>
[INFO] [stdout]                                at /opt/rustwide/cargo-home/registry/src/index.crates.io-1949cf8c6b5b557f/assert_cmd-2.0.11/src/assert.rs:1033:9
[INFO] [stdout]   21:     0x5c98fa038947 - <<assert_cmd[35418449b5f7a4b8]::assert::AssertError>::panic<assert_cmd[35418449b5f7a4b8]::assert::Assert> as core[6883ba1bc0fe4ed1]::ops::function::FnOnce<(assert_cmd[35418449b5f7a4b8]::assert::AssertError,)>>::call_once
[INFO] [stdout]                                at /rustc/6b3fa26749ab40e159b2dd5cf577acaaf5902772/library/core/src/ops/function.rs:250:5
[INFO] [stdout]   22:     0x5c98fa041dfb - <core[6883ba1bc0fe4ed1]::result::Result<assert_cmd[35418449b5f7a4b8]::assert::Assert, assert_cmd[35418449b5f7a4b8]::assert::AssertError>>::unwrap_or_else::<<assert_cmd[35418449b5f7a4b8]::assert::AssertError>::panic<assert_cmd[35418449b5f7a4b8]::assert::Assert>>
[INFO] [stdout]                                at /rustc/6b3fa26749ab40e159b2dd5cf577acaaf5902772/library/core/src/result.rs:1620:23
[INFO] [stdout]   23:     0x5c98fa0442a0 - <assert_cmd[35418449b5f7a4b8]::assert::Assert>::success
[INFO] [stdout]                                at /opt/rustwide/cargo-home/registry/src/index.crates.io-1949cf8c6b5b557f/assert_cmd-2.0.11/src/assert.rs:158:28
[INFO] [stdout]   24:     0x5c98f9e4c073 - lib[ef69c164f1f8dd99]::head::run
[INFO] [stdout]                                at /opt/rustwide/workdir/tests/head/mod.rs:105:10
[INFO] [stdout]   25:     0x5c98f9e4de9e - lib[ef69c164f1f8dd99]::head::one
[INFO] [stdout]                                at /opt/rustwide/workdir/tests/head/mod.rs:162:5
[INFO] [stdout]   26:     0x5c98f9e47a57 - lib[ef69c164f1f8dd99]::head::one::{closure#0}
[INFO] [stdout]                                at /opt/rustwide/workdir/tests/head/mod.rs:161:13
[INFO] [stdout]   27:     0x5c98f9e52556 - <lib[ef69c164f1f8dd99]::head::one::{closure#0} as core[6883ba1bc0fe4ed1]::ops::function::FnOnce<()>>::call_once
[INFO] [stdout]                                at /rustc/6b3fa26749ab40e159b2dd5cf577acaaf5902772/library/core/src/ops/function.rs:250:5
[INFO] [stdout]   28:     0x5c98f9e52f7b - <fn() -> core[6883ba1bc0fe4ed1]::result::Result<(), alloc[55a36b64bcbf2c0d]::string::String> as core[6883ba1bc0fe4ed1]::ops::function::FnOnce<()>>::call_once
[INFO] [stdout]                                at /rustc/6b3fa26749ab40e159b2dd5cf577acaaf5902772/library/core/src/ops/function.rs:250:5
[INFO] [stdout]   29:     0x5c98f9e52f7b - test[980ffaebd391d06d]::__rust_begin_short_backtrace::<core[6883ba1bc0fe4ed1]::result::Result<(), alloc[55a36b64bcbf2c0d]::string::String>, fn() -> core[6883ba1bc0fe4ed1]::result::Result<(), alloc[55a36b64bcbf2c0d]::string::String>>
[INFO] [stdout]                                at /rustc/6b3fa26749ab40e159b2dd5cf577acaaf5902772/library/test/src/lib.rs:724:18
[INFO] [stdout]   30:     0x5c98f9e605c5 - test[980ffaebd391d06d]::run_test_in_process::{closure#0}
[INFO] [stdout]                                at /rustc/6b3fa26749ab40e159b2dd5cf577acaaf5902772/library/test/src/lib.rs:747:74
[INFO] [stdout]   31:     0x5c98f9e605c5 - <core[6883ba1bc0fe4ed1]::panic::unwind_safe::AssertUnwindSafe<test[980ffaebd391d06d]::run_test_in_process::{closure#0}> as core[6883ba1bc0fe4ed1]::ops::function::FnOnce<()>>::call_once
[INFO] [stdout]                                at /rustc/6b3fa26749ab40e159b2dd5cf577acaaf5902772/library/core/src/panic/unwind_safe.rs:275:9
[INFO] [stdout]   32:     0x5c98f9e605c5 - std[73adb7dc35730857]::panicking::catch_unwind::do_call::<core[6883ba1bc0fe4ed1]::panic::unwind_safe::AssertUnwindSafe<test[980ffaebd391d06d]::run_test_in_process::{closure#0}>, core[6883ba1bc0fe4ed1]::result::Result<(), alloc[55a36b64bcbf2c0d]::string::String>>
[INFO] [stdout]                                at /rustc/6b3fa26749ab40e159b2dd5cf577acaaf5902772/library/std/src/panicking.rs:576:43
[INFO] [stdout]   33:     0x5c98f9e605c5 - std[73adb7dc35730857]::panicking::catch_unwind::<core[6883ba1bc0fe4ed1]::result::Result<(), alloc[55a36b64bcbf2c0d]::string::String>, core[6883ba1bc0fe4ed1]::panic::unwind_safe::AssertUnwindSafe<test[980ffaebd391d06d]::run_test_in_process::{closure#0}>>
[INFO] [stdout]                                at /rustc/6b3fa26749ab40e159b2dd5cf577acaaf5902772/library/std/src/panicking.rs:544:19
[INFO] [stdout]   34:     0x5c98f9e605c5 - std[73adb7dc35730857]::panic::catch_unwind::<core[6883ba1bc0fe4ed1]::panic::unwind_safe::AssertUnwindSafe<test[980ffaebd391d06d]::run_test_in_process::{closure#0}>, core[6883ba1bc0fe4ed1]::result::Result<(), alloc[55a36b64bcbf2c0d]::string::String>>
[INFO] [stdout]                                at /rustc/6b3fa26749ab40e159b2dd5cf577acaaf5902772/library/std/src/panic.rs:359:14
[INFO] [stdout]   35:     0x5c98f9e605c5 - test[980ffaebd391d06d]::run_test_in_process
[INFO] [stdout]                                at /rustc/6b3fa26749ab40e159b2dd5cf577acaaf5902772/library/test/src/lib.rs:747:27
[INFO] [stdout]   36:     0x5c98f9e605c5 - test[980ffaebd391d06d]::run_test::{closure#0}
[INFO] [stdout]                                at /rustc/6b3fa26749ab40e159b2dd5cf577acaaf5902772/library/test/src/lib.rs:668:43
[INFO] [stdout]   37:     0x5c98f9e5b074 - test[980ffaebd391d06d]::run_test::{closure#1}
[INFO] [stdout]                                at /rustc/6b3fa26749ab40e159b2dd5cf577acaaf5902772/library/test/src/lib.rs:698:41
[INFO] [stdout]   38:     0x5c98f9e5b074 - std[73adb7dc35730857]::sys::backtrace::__rust_begin_short_backtrace::<test[980ffaebd391d06d]::run_test::{closure#1}, ()>
[INFO] [stdout]                                at /rustc/6b3fa26749ab40e159b2dd5cf577acaaf5902772/library/std/src/sys/backtrace.rs:166:18
[INFO] [stdout]   39:     0x5c98f9e63712 - std[73adb7dc35730857]::thread::lifecycle::spawn_unchecked::<test[980ffaebd391d06d]::run_test::{closure#1}, ()>::{closure#1}::{closure#0}
[INFO] [stdout]                                at /rustc/6b3fa26749ab40e159b2dd5cf577acaaf5902772/library/std/src/thread/lifecycle.rs:70:13
[INFO] [stdout]   40:     0x5c98f9e63712 - <core[6883ba1bc0fe4ed1]::panic::unwind_safe::AssertUnwindSafe<std[73adb7dc35730857]::thread::lifecycle::spawn_unchecked<test[980ffaebd391d06d]::run_test::{closure#1}, ()>::{closure#1}::{closure#0}> as core[6883ba1bc0fe4ed1]::ops::function::FnOnce<()>>::call_once
[INFO] [stdout]                                at /rustc/6b3fa26749ab40e159b2dd5cf577acaaf5902772/library/core/src/panic/unwind_safe.rs:275:9
[INFO] [stdout]   41:     0x5c98f9e63712 - std[73adb7dc35730857]::panicking::catch_unwind::do_call::<core[6883ba1bc0fe4ed1]::panic::unwind_safe::AssertUnwindSafe<std[73adb7dc35730857]::thread::lifecycle::spawn_unchecked<test[980ffaebd391d06d]::run_test::{closure#1}, ()>::{closure#1}::{closure#0}>, ()>
[INFO] [stdout]                                at /rustc/6b3fa26749ab40e159b2dd5cf577acaaf5902772/library/std/src/panicking.rs:576:43
[INFO] [stdout]   42:     0x5c98f9e63712 - std[73adb7dc35730857]::panicking::catch_unwind::<(), core[6883ba1bc0fe4ed1]::panic::unwind_safe::AssertUnwindSafe<std[73adb7dc35730857]::thread::lifecycle::spawn_unchecked<test[980ffaebd391d06d]::run_test::{closure#1}, ()>::{closure#1}::{closure#0}>>
[INFO] [stdout]                                at /rustc/6b3fa26749ab40e159b2dd5cf577acaaf5902772/library/std/src/panicking.rs:544:19
[INFO] [stdout]   43:     0x5c98f9e63712 - std[73adb7dc35730857]::panic::catch_unwind::<core[6883ba1bc0fe4ed1]::panic::unwind_safe::AssertUnwindSafe<std[73adb7dc35730857]::thread::lifecycle::spawn_unchecked<test[980ffaebd391d06d]::run_test::{closure#1}, ()>::{closure#1}::{closure#0}>, ()>
[INFO] [stdout]                                at /rustc/6b3fa26749ab40e159b2dd5cf577acaaf5902772/library/std/src/panic.rs:359:14
[INFO] [stdout]   44:     0x5c98f9e63712 - std[73adb7dc35730857]::thread::lifecycle::spawn_unchecked::<test[980ffaebd391d06d]::run_test::{closure#1}, ()>::{closure#1}
[INFO] [stdout]                                at /rustc/6b3fa26749ab40e159b2dd5cf577acaaf5902772/library/std/src/thread/lifecycle.rs:68:26
[INFO] [stdout]   45:     0x5c98f9e63712 - <std[73adb7dc35730857]::thread::lifecycle::spawn_unchecked<test[980ffaebd391d06d]::run_test::{closure#1}, ()>::{closure#1} as core[6883ba1bc0fe4ed1]::ops::function::FnOnce<()>>::call_once::{shim:vtable#0}
[INFO] [stdout]                                at /rustc/6b3fa26749ab40e159b2dd5cf577acaaf5902772/library/core/src/ops/function.rs:250:5
[INFO] [stdout]   46:     0x5c98fa0d44af - <alloc[55a36b64bcbf2c0d]::boxed::Box<dyn core[6883ba1bc0fe4ed1]::ops::function::FnOnce<(), Output = ()> + core[6883ba1bc0fe4ed1]::marker::Send> as core[6883ba1bc0fe4ed1]::ops::function::FnOnce<()>>::call_once
[INFO] [stdout]                                at /rustc/6b3fa26749ab40e159b2dd5cf577acaaf5902772/library/alloc/src/boxed.rs:2319:9
[INFO] [stdout]   47:     0x5c98fa0d44af - <std[73adb7dc35730857]::sys::thread::unix::Thread>::new::thread_start
[INFO] [stdout]                                at /rustc/6b3fa26749ab40e159b2dd5cf577acaaf5902772/library/std/src/sys/thread/unix.rs:123:17
[INFO] [stdout]   48:     0x718092357aa4 - <unknown>
[INFO] [stdout]   49:     0x7180923e4a64 - clone
[INFO] [stdout]   50:                0x0 - <unknown>
[INFO] [stdout] 
[INFO] [stdout] ---- head::empty_c2 stdout ----
[INFO] [stdout] 
[INFO] [stdout] thread 'head::empty_c2' (3134) panicked at /rustc/6b3fa26749ab40e159b2dd5cf577acaaf5902772/library/core/src/ops/function.rs:250:5:
[INFO] [stdout] Unexpected failure.
[INFO] [stdout] code-101
[INFO] [stdout] stderr=```<90 lines total>
[INFO] [stdout] ```
[INFO] [stdout] 
[INFO] [stdout] thread \'main\' (3137) panicked at /opt/rustwide/cargo-home/registry/src/index.crates.io-1949cf8c6b5b557f/clap-3.2.25/src/parser/matches/arg_matches.rs:547:22:
[INFO] [stdout] Must use `Arg::allow_invalid_utf8` with `_os` lookups at `files`
[INFO] [stdout] stack backtrace:
[INFO] [stdout]    0:     0x649788d48601 - std[73adb7dc35730857]::backtrace_rs::backtrace::libunwind::trace
[INFO] [stdout]                                at /rustc/6b3fa26749ab40e159b2dd5cf577acaaf5902772/library/std/src/../../backtrace/src/backtrace/libunwind.rs:117:9
[INFO] [stdout]    1:     0x649788d48601 - std[73adb7dc35730857]::backtrace_rs::backtrace::trace_unsynchronized::<std[73adb7dc35730857]::sys::backtrace::_print_fmt::{closure#1}>
[INFO] [stdout]                                at /rustc/6b3fa26749ab40e159b2dd5cf577acaaf5902772/library/std/src/../../backtrace/src/backtrace/mod.rs:66:14
[INFO] [stdout]    2:     0x649788d48601 - std[73adb7dc35730857]::sys::backtrace::_print_fmt
[INFO] [stdout]                                at /rustc/6b3fa26749ab40e159b2dd5cf577acaaf5902772/library/std/src/sys/backtrace.rs:74:9
[INFO] [stdout]    3:     0x649788d48601 - <<std[73adb7dc35730857]::sys::backtrace::BacktraceLock>::print::DisplayBacktrace as core[6883ba1bc0fe4ed1]::fmt::Display>::fmt
[INFO] [stdout]                                at /rustc/6b3fa26749ab40e159b2dd5cf577acaaf5902772/library/std/src/sys/backtrace.rs:44:26
[INFO] [stdout]    4:     0x649788d5c28a - <core[6883ba1bc0fe4ed1]::fmt::rt::Argument>::fmt
[INFO] [stdout]                                at /rustc/6b3fa26749ab40e159b2dd5cf577acaaf5902772/library/core/src/fmt/rt.rs:152:76
[INFO] [stdout]    5:     0x649788d5c28a - core[6883ba1bc0fe4ed1]::fmt::write
[INFO] [stdout]    6:     0x649788d4dcec - std[73adb7dc35730857]::io::default_write_fmt::<std[73adb7dc35730857]::sys::stdio::unix::Stderr>
[INFO] [stdout]                                at /rustc/6b3fa26749ab40e159b2dd5cf577acaaf5902772/library/std/src/io/mod.rs:626:11
[INFO] [stdout]    7:     0x649788d4dcec - <std[73adb7dc35730857]::sys::stdio::unix::Stderr as std[73adb7dc35730857]::io::Write>::write_fmt
[INFO] [stdout]                                at /rustc/6b3fa26749ab40e159b2dd5cf577acaaf5902772/library/std/src/io/mod.rs:1730:13
[INFO] [stdout]    8:     0x649788d32e16 - <std[73adb7dc35730857]::sys::backtrace::BacktraceLock>::print
[INFO] [stdout] ```
[INFO] [stdout] <30 lines omitted>
[INFO] [stdout] ```
[INFO] [stdout]                                at /rustc/6b3fa26749ab40e159b2dd5cf577acaaf5902772/library/alloc/src/vec/mod.rs:3941:9
[INFO] [stdout]   24:     0x649788be208e - <core[6883ba1bc0fe4ed1]::iter::adapters::map::Map<core[6883ba1bc0fe4ed1]::iter::adapters::flatten::Flatten<core[6883ba1bc0fe4ed1]::slice::iter::Iter<alloc[55a36b64bcbf2c0d]::vec::Vec<clap[965b0170b9d3cf34]::parser::matches::any_value::AnyValue>>>, <clap[965b0170b9d3cf34]::parser::matches::arg_matches::ArgMatches>::values_of_lossy<&str>::{closure#0}> as core[6883ba1bc0fe4ed1]::iter::traits::iterator::Iterator>::collect::<alloc[55a36b64bcbf2c0d]::vec::Vec<alloc[55a36b64bcbf2c0d]::string::String>>
[INFO] [stdout]                                at /rustc/6b3fa26749ab40e159b2dd5cf577acaaf5902772/library/core/src/iter/traits/iterator.rs:2090:9
[INFO] [stdout]   25:     0x649788bdc166 - <clap[965b0170b9d3cf34]::parser::matches::arg_matches::ArgMatches>::values_of_lossy::<&str>
[INFO] [stdout]                                at /opt/rustwide/cargo-home/registry/src/index.crates.io-1949cf8c6b5b557f/clap-3.2.25/src/parser/matches/arg_matches.rs:548:14
[INFO] [stdout]   26:     0x649788be618b - command_line_rust[2a7d65b3375657d0]::head::get_args
[INFO] [stdout]                                at /opt/rustwide/workdir/src/head/mod.rs:92:24
[INFO] [stdout]   27:     0x649788bdbad2 - head[5f62c2f9cff836a0]::main
[INFO] [stdout]                                at /opt/rustwide/workdir/src/head/main.rs:4:21
[INFO] [stdout]   28:     0x649788bdbbeb - <fn() as core[6883ba1bc0fe4ed1]::ops::function::FnOnce<()>>::call_once
[INFO] [stdout]                                at /rustc/6b3fa26749ab40e159b2dd5cf577acaaf5902772/library/core/src/ops/function.rs:250:5
[INFO] [stdout]   29:     0x649788bdba5e - std[73adb7dc35730857]::sys::backtrace::__rust_begin_short_backtrace::<fn(), ()>
[INFO] [stdout]                                at /rustc/6b3fa26749ab40e159b2dd5cf577acaaf5902772/library/std/src/sys/backtrace.rs:166:18
[INFO] [stdout]   30:     0x649788bdba81 - std[73adb7dc35730857]::rt::lang_start::<()>::{closure#0}
[INFO] [stdout]                                at /rustc/6b3fa26749ab40e159b2dd5cf577acaaf5902772/library/std/src/rt.rs:206:18
[INFO] [stdout]   31:     0x649788d43547 - <&dyn core[6883ba1bc0fe4ed1]::ops::function::Fn<(), Output = i32> + core[6883ba1bc0fe4ed1]::panic::unwind_safe::RefUnwindSafe + core[6883ba1bc0fe4ed1]::marker::Sync as core[6883ba1bc0fe4ed1]::ops::function::FnOnce<()>>::call_once
[INFO] [stdout]                                at /rustc/6b3fa26749ab40e159b2dd5cf577acaaf5902772/library/core/src/ops/function.rs:287:21
[INFO] [stdout]   32:     0x649788d43547 - std[73adb7dc35730857]::panicking::catch_unwind::do_call::<&dyn core[6883ba1bc0fe4ed1]::ops::function::Fn<(), Output = i32> + core[6883ba1bc0fe4ed1]::panic::unwind_safe::RefUnwindSafe + core[6883ba1bc0fe4ed1]::marker::Sync, i32>
[INFO] [stdout]                                at /rustc/6b3fa26749ab40e159b2dd5cf577acaaf5902772/library/std/src/panicking.rs:576:43
[INFO] [stdout]   33:     0x649788d43547 - std[73adb7dc35730857]::panicking::catch_unwind::<i32, &dyn core[6883ba1bc0fe4ed1]::ops::function::Fn<(), Output = i32> + core[6883ba1bc0fe4ed1]::panic::unwind_safe::RefUnwindSafe + core[6883ba1bc0fe4ed1]::marker::Sync>
[INFO] [stdout]                                at /rustc/6b3fa26749ab40e159b2dd5cf577acaaf5902772/library/std/src/panicking.rs:544:19
[INFO] [stdout]   34:     0x649788d43547 - std[73adb7dc35730857]::panic::catch_unwind::<&dyn core[6883ba1bc0fe4ed1]::ops::function::Fn<(), Output = i32> + core[6883ba1bc0fe4ed1]::panic::unwind_safe::RefUnwindSafe + core[6883ba1bc0fe4ed1]::marker::Sync, i32>
[INFO] [stdout]                                at /rustc/6b3fa26749ab40e159b2dd5cf577acaaf5902772/library/std/src/panic.rs:359:14
[INFO] [stdout]   35:     0x649788d43547 - std[73adb7dc35730857]::rt::lang_start_internal::{closure#0}
[INFO] [stdout]                                at /rustc/6b3fa26749ab40e159b2dd5cf577acaaf5902772/library/std/src/rt.rs:175:24
[INFO] [stdout]   36:     0x649788d43547 - std[73adb7dc35730857]::panicking::catch_unwind::do_call::<std[73adb7dc35730857]::rt::lang_start_internal::{closure#0}, isize>
[INFO] [stdout]                                at /rustc/6b3fa26749ab40e159b2dd5cf577acaaf5902772/library/std/src/panicking.rs:576:43
[INFO] [stdout]   37:     0x649788d43547 - std[73adb7dc35730857]::panicking::catch_unwind::<isize, std[73adb7dc35730857]::rt::lang_start_internal::{closure#0}>
[INFO] [stdout]                                at /rustc/6b3fa26749ab40e159b2dd5cf577acaaf5902772/library/std/src/panicking.rs:544:19
[INFO] [stdout]   38:     0x649788d43547 - std[73adb7dc35730857]::panic::catch_unwind::<std[73adb7dc35730857]::rt::lang_start_internal::{closure#0}, isize>
[INFO] [stdout]                                at /rustc/6b3fa26749ab40e159b2dd5cf577acaaf5902772/library/std/src/panic.rs:359:14
[INFO] [stdout]   39:     0x649788d43547 - std[73adb7dc35730857]::rt::lang_start_internal
[INFO] [stdout]                                at /rustc/6b3fa26749ab40e159b2dd5cf577acaaf5902772/library/std/src/rt.rs:171:5
[INFO] [stdout]   40:     0x649788bdba47 - std[73adb7dc35730857]::rt::lang_start::<()>
[INFO] [stdout]                                at /rustc/6b3fa26749ab40e159b2dd5cf577acaaf5902772/library/std/src/rt.rs:205:5
[INFO] [stdout]   41:     0x649788bdbc7e - main
[INFO] [stdout]   42:     0x7f8065c431ca - <unknown>
[INFO] [stdout]   43:     0x7f8065c4328b - __libc_start_main
[INFO] [stdout]   44:     0x649788bdb8a5 - _start
[INFO] [stdout]   45:                0x0 - <unknown>
[INFO] [stdout] ```
[INFO] [stdout] ```
[INFO] [stdout] command=`"/opt/rustwide/target/debug/head" "tests/head/inputs/empty.txt" "-c" "2"`
[INFO] [stdout] code=101
[INFO] [stdout] stdout=""
[INFO] [stdout] stderr=<90 lines total>
[INFO] [stdout] ```
[INFO] [stdout] 
[INFO] [stdout] thread \'main\' (3137) panicked at /opt/rustwide/cargo-home/registry/src/index.crates.io-1949cf8c6b5b557f/clap-3.2.25/src/parser/matches/arg_matches.rs:547:22:
[INFO] [stdout] Must use `Arg::allow_invalid_utf8` with `_os` lookups at `files`
[INFO] [stdout] stack backtrace:
[INFO] [stdout]    0:     0x649788d48601 - std[73adb7dc35730857]::backtrace_rs::backtrace::libunwind::trace
[INFO] [stdout]                                at /rustc/6b3fa26749ab40e159b2dd5cf577acaaf5902772/library/std/src/../../backtrace/src/backtrace/libunwind.rs:117:9
[INFO] [stdout]    1:     0x649788d48601 - std[73adb7dc35730857]::backtrace_rs::backtrace::trace_unsynchronized::<std[73adb7dc35730857]::sys::backtrace::_print_fmt::{closure#1}>
[INFO] [stdout]                                at /rustc/6b3fa26749ab40e159b2dd5cf577acaaf5902772/library/std/src/../../backtrace/src/backtrace/mod.rs:66:14
[INFO] [stdout]    2:     0x649788d48601 - std[73adb7dc35730857]::sys::backtrace::_print_fmt
[INFO] [stdout]                                at /rustc/6b3fa26749ab40e159b2dd5cf577acaaf5902772/library/std/src/sys/backtrace.rs:74:9
[INFO] [stdout]    3:     0x649788d48601 - <<std[73adb7dc35730857]::sys::backtrace::BacktraceLock>::print::DisplayBacktrace as core[6883ba1bc0fe4ed1]::fmt::Display>::fmt
[INFO] [stdout]                                at /rustc/6b3fa26749ab40e159b2dd5cf577acaaf5902772/library/std/src/sys/backtrace.rs:44:26
[INFO] [stdout]    4:     0x649788d5c28a - <core[6883ba1bc0fe4ed1]::fmt::rt::Argument>::fmt
[INFO] [stdout]                                at /rustc/6b3fa26749ab40e159b2dd5cf577acaaf5902772/library/core/src/fmt/rt.rs:152:76
[INFO] [stdout]    5:     0x649788d5c28a - core[6883ba1bc0fe4ed1]::fmt::write
[INFO] [stdout]    6:     0x649788d4dcec - std[73adb7dc35730857]::io::default_write_fmt::<std[73adb7dc35730857]::sys::stdio::unix::Stderr>
[INFO] [stdout]                                at /rustc/6b3fa26749ab40e159b2dd5cf577acaaf5902772/library/std/src/io/mod.rs:626:11
[INFO] [stdout]    7:     0x649788d4dcec - <std[73adb7dc35730857]::sys::stdio::unix::Stderr as std[73adb7dc35730857]::io::Write>::write_fmt
[INFO] [stdout]                                at /rustc/6b3fa26749ab40e159b2dd5cf577acaaf5902772/library/std/src/io/mod.rs:1730:13
[INFO] [stdout]    8:     0x649788d32e16 - <std[73adb7dc35730857]::sys::backtrace::BacktraceLock>::print
[INFO] [stdout] ```
[INFO] [stdout] <30 lines omitted>
[INFO] [stdout] ```
[INFO] [stdout]                                at /rustc/6b3fa26749ab40e159b2dd5cf577acaaf5902772/library/alloc/src/vec/mod.rs:3941:9
[INFO] [stdout]   24:     0x649788be208e - <core[6883ba1bc0fe4ed1]::iter::adapters::map::Map<core[6883ba1bc0fe4ed1]::iter::adapters::flatten::Flatten<core[6883ba1bc0fe4ed1]::slice::iter::Iter<alloc[55a36b64bcbf2c0d]::vec::Vec<clap[965b0170b9d3cf34]::parser::matches::any_value::AnyValue>>>, <clap[965b0170b9d3cf34]::parser::matches::arg_matches::ArgMatches>::values_of_lossy<&str>::{closure#0}> as core[6883ba1bc0fe4ed1]::iter::traits::iterator::Iterator>::collect::<alloc[55a36b64bcbf2c0d]::vec::Vec<alloc[55a36b64bcbf2c0d]::string::String>>
[INFO] [stdout]                                at /rustc/6b3fa26749ab40e159b2dd5cf577acaaf5902772/library/core/src/iter/traits/iterator.rs:2090:9
[INFO] [stdout]   25:     0x649788bdc166 - <clap[965b0170b9d3cf34]::parser::matches::arg_matches::ArgMatches>::values_of_lossy::<&str>
[INFO] [stdout]                                at /opt/rustwide/cargo-home/registry/src/index.crates.io-1949cf8c6b5b557f/clap-3.2.25/src/parser/matches/arg_matches.rs:548:14
[INFO] [stdout]   26:     0x649788be618b - command_line_rust[2a7d65b3375657d0]::head::get_args
[INFO] [stdout]                                at /opt/rustwide/workdir/src/head/mod.rs:92:24
[INFO] [stdout]   27:     0x649788bdbad2 - head[5f62c2f9cff836a0]::main
[INFO] [stdout]                                at /opt/rustwide/workdir/src/head/main.rs:4:21
[INFO] [stdout]   28:     0x649788bdbbeb - <fn() as core[6883ba1bc0fe4ed1]::ops::function::FnOnce<()>>::call_once
[INFO] [stdout]                                at /rustc/6b3fa26749ab40e159b2dd5cf577acaaf5902772/library/core/src/ops/function.rs:250:5
[INFO] [stdout]   29:     0x649788bdba5e - std[73adb7dc35730857]::sys::backtrace::__rust_begin_short_backtrace::<fn(), ()>
[INFO] [stdout]                                at /rustc/6b3fa26749ab40e159b2dd5cf577acaaf5902772/library/std/src/sys/backtrace.rs:166:18
[INFO] [stdout]   30:     0x649788bdba81 - std[73adb7dc35730857]::rt::lang_start::<()>::{closure#0}
[INFO] [stdout]                                at /rustc/6b3fa26749ab40e159b2dd5cf577acaaf5902772/library/std/src/rt.rs:206:18
[INFO] [stdout]   31:     0x649788d43547 - <&dyn core[6883ba1bc0fe4ed1]::ops::function::Fn<(), Output = i32> + core[6883ba1bc0fe4ed1]::panic::unwind_safe::RefUnwindSafe + core[6883ba1bc0fe4ed1]::marker::Sync as core[6883ba1bc0fe4ed1]::ops::function::FnOnce<()>>::call_once
[INFO] [stdout]                                at /rustc/6b3fa26749ab40e159b2dd5cf577acaaf5902772/library/core/src/ops/function.rs:287:21
[INFO] [stdout]   32:     0x649788d43547 - std[73adb7dc35730857]::panicking::catch_unwind::do_call::<&dyn core[6883ba1bc0fe4ed1]::ops::function::Fn<(), Output = i32> + core[6883ba1bc0fe4ed1]::panic::unwind_safe::RefUnwindSafe + core[6883ba1bc0fe4ed1]::marker::Sync, i32>
[INFO] [stdout]                                at /rustc/6b3fa26749ab40e159b2dd5cf577acaaf5902772/library/std/src/panicking.rs:576:43
[INFO] [stdout]   33:     0x649788d43547 - std[73adb7dc35730857]::panicking::catch_unwind::<i32, &dyn core[6883ba1bc0fe4ed1]::ops::function::Fn<(), Output = i32> + core[6883ba1bc0fe4ed1]::panic::unwind_safe::RefUnwindSafe + core[6883ba1bc0fe4ed1]::marker::Sync>
[INFO] [stdout]                                at /rustc/6b3fa26749ab40e159b2dd5cf577acaaf5902772/library/std/src/panicking.rs:544:19
[INFO] [stdout]   34:     0x649788d43547 - std[73adb7dc35730857]::panic::catch_unwind::<&dyn core[6883ba1bc0fe4ed1]::ops::function::Fn<(), Output = i32> + core[6883ba1bc0fe4ed1]::panic::unwind_safe::RefUnwindSafe + core[6883ba1bc0fe4ed1]::marker::Sync, i32>
[INFO] [stdout]                                at /rustc/6b3fa26749ab40e159b2dd5cf577acaaf5902772/library/std/src/panic.rs:359:14
[INFO] [stdout]   35:     0x649788d43547 - std[73adb7dc35730857]::rt::lang_start_internal::{closure#0}
[INFO] [stdout]                                at /rustc/6b3fa26749ab40e159b2dd5cf577acaaf5902772/library/std/src/rt.rs:175:24
[INFO] [stdout]   36:     0x649788d43547 - std[73adb7dc35730857]::panicking::catch_unwind::do_call::<std[73adb7dc35730857]::rt::lang_start_internal::{closure#0}, isize>
[INFO] [stdout]                                at /rustc/6b3fa26749ab40e159b2dd5cf577acaaf5902772/library/std/src/panicking.rs:576:43
[INFO] [stdout]   37:     0x649788d43547 - std[73adb7dc35730857]::panicking::catch_unwind::<isize, std[73adb7dc35730857]::rt::lang_start_internal::{closure#0}>
[INFO] [stdout]                                at /rustc/6b3fa26749ab40e159b2dd5cf577acaaf5902772/library/std/src/panicking.rs:544:19
[INFO] [stdout]   38:     0x649788d43547 - std[73adb7dc35730857]::panic::catch_unwind::<std[73adb7dc35730857]::rt::lang_start_internal::{closure#0}, isize>
[INFO] [stdout]                                at /rustc/6b3fa26749ab40e159b2dd5cf577acaaf5902772/library/std/src/panic.rs:359:14
[INFO] [stdout]   39:     0x649788d43547 - std[73adb7dc35730857]::rt::lang_start_internal
[INFO] [stdout]                                at /rustc/6b3fa26749ab40e159b2dd5cf577acaaf5902772/library/std/src/rt.rs:171:5
[INFO] [stdout]   40:     0x649788bdba47 - std[73adb7dc35730857]::rt::lang_start::<()>
[INFO] [stdout]                                at /rustc/6b3fa26749ab40e159b2dd5cf577acaaf5902772/library/std/src/rt.rs:205:5
[INFO] [stdout]   41:     0x649788bdbc7e - main
[INFO] [stdout]   42:     0x7f8065c431ca - <unknown>
[INFO] [stdout]   43:     0x7f8065c4328b - __libc_start_main
[INFO] [stdout]   44:     0x649788bdb8a5 - _start
[INFO] [stdout]   45:                0x0 - <unknown>
[INFO] [stdout] ```
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] stack backtrace:
[INFO] [stdout]    0:     0x5c98fa0d5011 - std[73adb7dc35730857]::backtrace_rs::backtrace::libunwind::trace
[INFO] [stdout]                                at /rustc/6b3fa26749ab40e159b2dd5cf577acaaf5902772/library/std/src/../../backtrace/src/backtrace/libunwind.rs:117:9
[INFO] [stdout]    1:     0x5c98fa0d5011 - std[73adb7dc35730857]::backtrace_rs::backtrace::trace_unsynchronized::<std[73adb7dc35730857]::sys::backtrace::_print_fmt::{closure#1}>
[INFO] [stdout]                                at /rustc/6b3fa26749ab40e159b2dd5cf577acaaf5902772/library/std/src/../../backtrace/src/backtrace/mod.rs:66:14
[INFO] [stdout]    2:     0x5c98fa0d5011 - std[73adb7dc35730857]::sys::backtrace::_print_fmt
[INFO] [stdout]                                at /rustc/6b3fa26749ab40e159b2dd5cf577acaaf5902772/library/std/src/sys/backtrace.rs:74:9
[INFO] [stdout]    3:     0x5c98fa0d5011 - <<std[73adb7dc35730857]::sys::backtrace::BacktraceLock>::print::DisplayBacktrace as core[6883ba1bc0fe4ed1]::fmt::Display>::fmt
[INFO] [stdout]                                at /rustc/6b3fa26749ab40e159b2dd5cf577acaaf5902772/library/std/src/sys/backtrace.rs:44:26
[INFO] [stdout]    4:     0x5c98fa0eb71a - <core[6883ba1bc0fe4ed1]::fmt::rt::Argument>::fmt
[INFO] [stdout]                                at /rustc/6b3fa26749ab40e159b2dd5cf577acaaf5902772/library/core/src/fmt/rt.rs:152:76
[INFO] [stdout]    5:     0x5c98fa0eb71a - core[6883ba1bc0fe4ed1]::fmt::write
[INFO] [stdout]    6:     0x5c98fa0da99c - std[73adb7dc35730857]::io::default_write_fmt::<alloc[55a36b64bcbf2c0d]::vec::Vec<u8>>
[INFO] [stdout]                                at /rustc/6b3fa26749ab40e159b2dd5cf577acaaf5902772/library/std/src/io/mod.rs:626:11
[INFO] [stdout]    7:     0x5c98fa0da99c - <alloc[55a36b64bcbf2c0d]::vec::Vec<u8> as std[73adb7dc35730857]::io::Write>::write_fmt
[INFO] [stdout]                                at /rustc/6b3fa26749ab40e159b2dd5cf577acaaf5902772/library/std/src/io/mod.rs:1730:13
[INFO] [stdout]    8:     0x5c98fa0b2986 - <std[73adb7dc35730857]::sys::backtrace::BacktraceLock>::print
[INFO] [stdout]                                at /rustc/6b3fa26749ab40e159b2dd5cf577acaaf5902772/library/std/src/sys/backtrace.rs:47:9
[INFO] [stdout]    9:     0x5c98fa0b2986 - std[73adb7dc35730857]::panicking::default_hook::{closure#0}
[INFO] [stdout]                                at /rustc/6b3fa26749ab40e159b2dd5cf577acaaf5902772/library/std/src/panicking.rs:292:27
[INFO] [stdout]   10:     0x5c98fa0ccd09 - std[73adb7dc35730857]::panicking::default_hook
[INFO] [stdout]                                at /rustc/6b3fa26749ab40e159b2dd5cf577acaaf5902772/library/std/src/panicking.rs:316:9
[INFO] [stdout]   11:     0x5c98f9e5fc40 - <alloc[55a36b64bcbf2c0d]::boxed::Box<dyn for<'a, 'b> core[6883ba1bc0fe4ed1]::ops::function::Fn<(&'a std[73adb7dc35730857]::panic::PanicHookInfo<'b>,), Output = ()> + core[6883ba1bc0fe4ed1]::marker::Send + core[6883ba1bc0fe4ed1]::marker::Sync> as core[6883ba1bc0fe4ed1]::ops::function::Fn<(&std[73adb7dc35730857]::panic::PanicHookInfo,)>>::call
[INFO] [stdout]                                at /rustc/6b3fa26749ab40e159b2dd5cf577acaaf5902772/library/alloc/src/boxed.rs:2333:9
[INFO] [stdout]   12:     0x5c98f9e5fc40 - test[980ffaebd391d06d]::test_main_inner::<test[980ffaebd391d06d]::test_main_static::{closure#0}>::{closure#0}
[INFO] [stdout]                                at /rustc/6b3fa26749ab40e159b2dd5cf577acaaf5902772/library/test/src/lib.rs:155:21
[INFO] [stdout]   13:     0x5c98fa0ccec2 - <alloc[55a36b64bcbf2c0d]::boxed::Box<dyn for<'a, 'b> core[6883ba1bc0fe4ed1]::ops::function::Fn<(&'a std[73adb7dc35730857]::panic::PanicHookInfo<'b>,), Output = ()> + core[6883ba1bc0fe4ed1]::marker::Send + core[6883ba1bc0fe4ed1]::marker::Sync> as core[6883ba1bc0fe4ed1]::ops::function::Fn<(&std[73adb7dc35730857]::panic::PanicHookInfo,)>>::call
[INFO] [stdout]                                at /rustc/6b3fa26749ab40e159b2dd5cf577acaaf5902772/library/alloc/src/boxed.rs:2333:9
[INFO] [stdout]   14:     0x5c98fa0ccec2 - std[73adb7dc35730857]::panicking::panic_with_hook
[INFO] [stdout]                                at /rustc/6b3fa26749ab40e159b2dd5cf577acaaf5902772/library/std/src/panicking.rs:823:13
[INFO] [stdout]   15:     0x5c98fa0b2a32 - std[73adb7dc35730857]::panicking::panic_handler::{closure#0}
[INFO] [stdout]                                at /rustc/6b3fa26749ab40e159b2dd5cf577acaaf5902772/library/std/src/panicking.rs:688:13
[INFO] [stdout]   16:     0x5c98fa0aa1d9 - std[73adb7dc35730857]::sys::backtrace::__rust_end_short_backtrace::<std[73adb7dc35730857]::panicking::panic_handler::{closure#0}, !>
[INFO] [stdout]                                at /rustc/6b3fa26749ab40e159b2dd5cf577acaaf5902772/library/std/src/sys/backtrace.rs:182:18
[INFO] [stdout]   17:     0x5c98fa0b362d - __rustc[a7b7b02e776dd976]::rust_begin_unwind
[INFO] [stdout]                                at /rustc/6b3fa26749ab40e159b2dd5cf577acaaf5902772/library/std/src/panicking.rs:679:5
[INFO] [stdout]   18:     0x5c98fa0ebf9c - core[6883ba1bc0fe4ed1]::panicking::panic_fmt
[INFO] [stdout]                                at /rustc/6b3fa26749ab40e159b2dd5cf577acaaf5902772/library/core/src/panicking.rs:80:14
[INFO] [stdout]   19:     0x5c98fa03b8b8 - core[6883ba1bc0fe4ed1]::panicking::panic_display::<assert_cmd[35418449b5f7a4b8]::assert::AssertError>
[INFO] [stdout]                                at /rustc/6b3fa26749ab40e159b2dd5cf577acaaf5902772/library/core/src/panicking.rs:259:5
[INFO] [stdout]   20:     0x5c98fa0426c7 - <assert_cmd[35418449b5f7a4b8]::assert::AssertError>::panic::<assert_cmd[35418449b5f7a4b8]::assert::Assert>
[INFO] [stdout]                                at /opt/rustwide/cargo-home/registry/src/index.crates.io-1949cf8c6b5b557f/assert_cmd-2.0.11/src/assert.rs:1033:9
[INFO] [stdout]   21:     0x5c98fa038947 - <<assert_cmd[35418449b5f7a4b8]::assert::AssertError>::panic<assert_cmd[35418449b5f7a4b8]::assert::Assert> as core[6883ba1bc0fe4ed1]::ops::function::FnOnce<(assert_cmd[35418449b5f7a4b8]::assert::AssertError,)>>::call_once
[INFO] [stdout]                                at /rustc/6b3fa26749ab40e159b2dd5cf577acaaf5902772/library/core/src/ops/function.rs:250:5
[INFO] [stdout]   22:     0x5c98fa041dfb - <core[6883ba1bc0fe4ed1]::result::Result<assert_cmd[35418449b5f7a4b8]::assert::Assert, assert_cmd[35418449b5f7a4b8]::assert::AssertError>>::unwrap_or_else::<<assert_cmd[35418449b5f7a4b8]::assert::AssertError>::panic<assert_cmd[35418449b5f7a4b8]::assert::Assert>>
[INFO] [stdout]                                at /rustc/6b3fa26749ab40e159b2dd5cf577acaaf5902772/library/core/src/result.rs:1620:23
[INFO] [stdout]   23:     0x5c98fa0442a0 - <assert_cmd[35418449b5f7a4b8]::assert::Assert>::success
[INFO] [stdout]                                at /opt/rustwide/cargo-home/registry/src/index.crates.io-1949cf8c6b5b557f/assert_cmd-2.0.11/src/assert.rs:158:28
[INFO] [stdout]   24:     0x5c98f9e4c073 - lib[ef69c164f1f8dd99]::head::run
[INFO] [stdout]                                at /opt/rustwide/workdir/tests/head/mod.rs:105:10
[INFO] [stdout]   25:     0x5c98f9e4e0de - lib[ef69c164f1f8dd99]::head::empty_c2
[INFO] [stdout]                                at /opt/rustwide/workdir/tests/head/mod.rs:150:5
[INFO] [stdout]   26:     0x5c98f9e47db7 - lib[ef69c164f1f8dd99]::head::empty_c2::{closure#0}
[INFO] [stdout]                                at /opt/rustwide/workdir/tests/head/mod.rs:149:18
[INFO] [stdout]   27:     0x5c98f9e529d6 - <lib[ef69c164f1f8dd99]::head::empty_c2::{closure#0} as core[6883ba1bc0fe4ed1]::ops::function::FnOnce<()>>::call_once
[INFO] [stdout]                                at /rustc/6b3fa26749ab40e159b2dd5cf577acaaf5902772/library/core/src/ops/function.rs:250:5
[INFO] [stdout]   28:     0x5c98f9e52f7b - <fn() -> core[6883ba1bc0fe4ed1]::result::Result<(), alloc[55a36b64bcbf2c0d]::string::String> as core[6883ba1bc0fe4ed1]::ops::function::FnOnce<()>>::call_once
[INFO] [stdout]                                at /rustc/6b3fa26749ab40e159b2dd5cf577acaaf5902772/library/core/src/ops/function.rs:250:5
[INFO] [stdout]   29:     0x5c98f9e52f7b - test[980ffaebd391d06d]::__rust_begin_short_backtrace::<core[6883ba1bc0fe4ed1]::result::Result<(), alloc[55a36b64bcbf2c0d]::string::String>, fn() -> core[6883ba1bc0fe4ed1]::result::Result<(), alloc[55a36b64bcbf2c0d]::string::String>>
[INFO] [stdout]                                at /rustc/6b3fa26749ab40e159b2dd5cf577acaaf5902772/library/test/src/lib.rs:724:18
[INFO] [stdout]   30:     0x5c98f9e605c5 - test[980ffaebd391d06d]::run_test_in_process::{closure#0}
[INFO] [stdout]                                at /rustc/6b3fa26749ab40e159b2dd5cf577acaaf5902772/library/test/src/lib.rs:747:74
[INFO] [stdout]   31:     0x5c98f9e605c5 - <core[6883ba1bc0fe4ed1]::panic::unwind_safe::AssertUnwindSafe<test[980ffaebd391d06d]::run_test_in_process::{closure#0}> as core[6883ba1bc0fe4ed1]::ops::function::FnOnce<()>>::call_once
[INFO] [stdout]                                at /rustc/6b3fa26749ab40e159b2dd5cf577acaaf5902772/library/core/src/panic/unwind_safe.rs:275:9
[INFO] [stdout]   32:     0x5c98f9e605c5 - std[73adb7dc35730857]::panicking::catch_unwind::do_call::<core[6883ba1bc0fe4ed1]::panic::unwind_safe::AssertUnwindSafe<test[980ffaebd391d06d]::run_test_in_process::{closure#0}>, core[6883ba1bc0fe4ed1]::result::Result<(), alloc[55a36b64bcbf2c0d]::string::String>>
[INFO] [stdout]                                at /rustc/6b3fa26749ab40e159b2dd5cf577acaaf5902772/library/std/src/panicking.rs:576:43
[INFO] [stdout]   33:     0x5c98f9e605c5 - std[73adb7dc35730857]::panicking::catch_unwind::<core[6883ba1bc0fe4ed1]::result::Result<(), alloc[55a36b64bcbf2c0d]::string::String>, core[6883ba1bc0fe4ed1]::panic::unwind_safe::AssertUnwindSafe<test[980ffaebd391d06d]::run_test_in_process::{closure#0}>>
[INFO] [stdout]                                at /rustc/6b3fa26749ab40e159b2dd5cf577acaaf5902772/library/std/src/panicking.rs:544:19
[INFO] [stdout]   34:     0x5c98f9e605c5 - std[73adb7dc35730857]::panic::catch_unwind::<core[6883ba1bc0fe4ed1]::panic::unwind_safe::AssertUnwindSafe<test[980ffaebd391d06d]::run_test_in_process::{closure#0}>, core[6883ba1bc0fe4ed1]::result::Result<(), alloc[55a36b64bcbf2c0d]::string::String>>
[INFO] [stdout]                                at /rustc/6b3fa26749ab40e159b2dd5cf577acaaf5902772/library/std/src/panic.rs:359:14
[INFO] [stdout]   35:     0x5c98f9e605c5 - test[980ffaebd391d06d]::run_test_in_process
[INFO] [stdout]                                at /rustc/6b3fa26749ab40e159b2dd5cf577acaaf5902772/library/test/src/lib.rs:747:27
[INFO] [stdout]   36:     0x5c98f9e605c5 - test[980ffaebd391d06d]::run_test::{closure#0}
[INFO] [stdout]                                at /rustc/6b3fa26749ab40e159b2dd5cf577acaaf5902772/library/test/src/lib.rs:668:43
[INFO] [stdout]   37:     0x5c98f9e5b074 - test[980ffaebd391d06d]::run_test::{closure#1}
[INFO] [stdout]                                at /rustc/6b3fa26749ab40e159b2dd5cf577acaaf5902772/library/test/src/lib.rs:698:41
[INFO] [stdout]   38:     0x5c98f9e5b074 - std[73adb7dc35730857]::sys::backtrace::__rust_begin_short_backtrace::<test[980ffaebd391d06d]::run_test::{closure#1}, ()>
[INFO] [stdout]                                at /rustc/6b3fa26749ab40e159b2dd5cf577acaaf5902772/library/std/src/sys/backtrace.rs:166:18
[INFO] [stdout]   39:     0x5c98f9e63712 - std[73adb7dc35730857]::thread::lifecycle::spawn_unchecked::<test[980ffaebd391d06d]::run_test::{closure#1}, ()>::{closure#1}::{closure#0}
[INFO] [stdout]                                at /rustc/6b3fa26749ab40e159b2dd5cf577acaaf5902772/library/std/src/thread/lifecycle.rs:70:13
[INFO] [stdout]   40:     0x5c98f9e63712 - <core[6883ba1bc0fe4ed1]::panic::unwind_safe::AssertUnwindSafe<std[73adb7dc35730857]::thread::lifecycle::spawn_unchecked<test[980ffaebd391d06d]::run_test::{closure#1}, ()>::{closure#1}::{closure#0}> as core[6883ba1bc0fe4ed1]::ops::function::FnOnce<()>>::call_once
[INFO] [stdout]                                at /rustc/6b3fa26749ab40e159b2dd5cf577acaaf5902772/library/core/src/panic/unwind_safe.rs:275:9
[INFO] [stdout]   41:     0x5c98f9e63712 - std[73adb7dc35730857]::panicking::catch_unwind::do_call::<core[6883ba1bc0fe4ed1]::panic::unwind_safe::AssertUnwindSafe<std[73adb7dc35730857]::thread::lifecycle::spawn_unchecked<test[980ffaebd391d06d]::run_test::{closure#1}, ()>::{closure#1}::{closure#0}>, ()>
[INFO] [stdout]                                at /rustc/6b3fa26749ab40e159b2dd5cf577acaaf5902772/library/std/src/panicking.rs:576:43
[INFO] [stdout]   42:     0x5c98f9e63712 - std[73adb7dc35730857]::panicking::catch_unwind::<(), core[6883ba1bc0fe4ed1]::panic::unwind_safe::AssertUnwindSafe<std[73adb7dc35730857]::thread::lifecycle::spawn_unchecked<test[980ffaebd391d06d]::run_test::{closure#1}, ()>::{closure#1}::{closure#0}>>
[INFO] [stdout]                                at /rustc/6b3fa26749ab40e159b2dd5cf577acaaf5902772/library/std/src/panicking.rs:544:19
[INFO] [stdout]   43:     0x5c98f9e63712 - std[73adb7dc35730857]::panic::catch_unwind::<core[6883ba1bc0fe4ed1]::panic::unwind_safe::AssertUnwindSafe<std[73adb7dc35730857]::thread::lifecycle::spawn_unchecked<test[980ffaebd391d06d]::run_test::{closure#1}, ()>::{closure#1}::{closure#0}>, ()>
[INFO] [stdout]                                at /rustc/6b3fa26749ab40e159b2dd5cf577acaaf5902772/library/std/src/panic.rs:359:14
[INFO] [stdout]   44:     0x5c98f9e63712 - std[73adb7dc35730857]::thread::lifecycle::spawn_unchecked::<test[980ffaebd391d06d]::run_test::{closure#1}, ()>::{closure#1}
[INFO] [stdout]                                at /rustc/6b3fa26749ab40e159b2dd5cf577acaaf5902772/library/std/src/thread/lifecycle.rs:68:26
[INFO] [stdout]   45:     0x5c98f9e63712 - <std[73adb7dc35730857]::thread::lifecycle::spawn_unchecked<test[980ffaebd391d06d]::run_test::{closure#1}, ()>::{closure#1} as core[6883ba1bc0fe4ed1]::ops::function::FnOnce<()>>::call_once::{shim:vtable#0}
[INFO] [stdout]                                at /rustc/6b3fa26749ab40e159b2dd5cf577acaaf5902772/library/core/src/ops/function.rs:250:5
[INFO] [stdout]   46:     0x5c98fa0d44af - <alloc[55a36b64bcbf2c0d]::boxed::Box<dyn core[6883ba1bc0fe4ed1]::ops::function::FnOnce<(), Output = ()> + core[6883ba1bc0fe4ed1]::marker::Send> as core[6883ba1bc0fe4ed1]::ops::function::FnOnce<()>>::call_once
[INFO] [stdout]                                at /rustc/6b3fa26749ab40e159b2dd5cf577acaaf5902772/library/alloc/src/boxed.rs:2319:9
[INFO] [stdout]   47:     0x5c98fa0d44af - <std[73adb7dc35730857]::sys::thread::unix::Thread>::new::thread_start
[INFO] [stdout]                                at /rustc/6b3fa26749ab40e159b2dd5cf577acaaf5902772/library/std/src/sys/thread/unix.rs:123:17
[INFO] [stdout]   48:     0x718092357aa4 - <unknown>
[INFO] [stdout]   49:     0x7180923e4a64 - clone
[INFO] [stdout]   50:                0x0 - <unknown>
[INFO] [stdout] 
[INFO] [stdout] ---- head::multiple_files_c1 stdout ----
[INFO] [stdout] 
[INFO] [stdout] thread 'head::multiple_files_c1' (3149) panicked at /rustc/6b3fa26749ab40e159b2dd5cf577acaaf5902772/library/core/src/ops/function.rs:250:5:
[INFO] [stdout] Unexpected failure.
[INFO] [stdout] code-101
[INFO] [stdout] stderr=```<90 lines total>
[INFO] [stdout] ```
[INFO] [stdout] 
[INFO] [stdout] thread \'main\' (3164) panicked at /opt/rustwide/cargo-home/registry/src/index.crates.io-1949cf8c6b5b557f/clap-3.2.25/src/parser/matches/arg_matches.rs:547:22:
[INFO] [stdout] Must use `Arg::allow_invalid_utf8` with `_os` lookups at `files`
[INFO] [stdout] stack backtrace:
[INFO] [stdout]    0:     0x5a05a8e4c601 - std[73adb7dc35730857]::backtrace_rs::backtrace::libunwind::trace
[INFO] [stdout]                                at /rustc/6b3fa26749ab40e159b2dd5cf577acaaf5902772/library/std/src/../../backtrace/src/backtrace/libunwind.rs:117:9
[INFO] [stdout]    1:     0x5a05a8e4c601 - std[73adb7dc35730857]::backtrace_rs::backtrace::trace_unsynchronized::<std[73adb7dc35730857]::sys::backtrace::_print_fmt::{closure#1}>
[INFO] [stdout]                                at /rustc/6b3fa26749ab40e159b2dd5cf577acaaf5902772/library/std/src/../../backtrace/src/backtrace/mod.rs:66:14
[INFO] [stdout]    2:     0x5a05a8e4c601 - std[73adb7dc35730857]::sys::backtrace::_print_fmt
[INFO] [stdout]                                at /rustc/6b3fa26749ab40e159b2dd5cf577acaaf5902772/library/std/src/sys/backtrace.rs:74:9
[INFO] [stdout]    3:     0x5a05a8e4c601 - <<std[73adb7dc35730857]::sys::backtrace::BacktraceLock>::print::DisplayBacktrace as core[6883ba1bc0fe4ed1]::fmt::Display>::fmt
[INFO] [stdout]                                at /rustc/6b3fa26749ab40e159b2dd5cf577acaaf5902772/library/std/src/sys/backtrace.rs:44:26
[INFO] [stdout]    4:     0x5a05a8e6028a - <core[6883ba1bc0fe4ed1]::fmt::rt::Argument>::fmt
[INFO] [stdout]                                at /rustc/6b3fa26749ab40e159b2dd5cf577acaaf5902772/library/core/src/fmt/rt.rs:152:76
[INFO] [stdout]    5:     0x5a05a8e6028a - core[6883ba1bc0fe4ed1]::fmt::write
[INFO] [stdout]    6:     0x5a05a8e51cec - std[73adb7dc35730857]::io::default_write_fmt::<std[73adb7dc35730857]::sys::stdio::unix::Stderr>
[INFO] [stdout]                                at /rustc/6b3fa26749ab40e159b2dd5cf577acaaf5902772/library/std/src/io/mod.rs:626:11
[INFO] [stdout]    7:     0x5a05a8e51cec - <std[73adb7dc35730857]::sys::stdio::unix::Stderr as std[73adb7dc35730857]::io::Write>::write_fmt
[INFO] [stdout]                                at /rustc/6b3fa26749ab40e159b2dd5cf577acaaf5902772/library/std/src/io/mod.rs:1730:13
[INFO] [stdout]    8:     0x5a05a8e36e16 - <std[73adb7dc35730857]::sys::backtrace::BacktraceLock>::print
[INFO] [stdout] ```
[INFO] [stdout] <30 lines omitted>
[INFO] [stdout] ```
[INFO] [stdout]                                at /rustc/6b3fa26749ab40e159b2dd5cf577acaaf5902772/library/alloc/src/vec/mod.rs:3941:9
[INFO] [stdout]   24:     0x5a05a8ce608e - <core[6883ba1bc0fe4ed1]::iter::adapters::map::Map<core[6883ba1bc0fe4ed1]::iter::adapters::flatten::Flatten<core[6883ba1bc0fe4ed1]::slice::iter::Iter<alloc[55a36b64bcbf2c0d]::vec::Vec<clap[965b0170b9d3cf34]::parser::matches::any_value::AnyValue>>>, <clap[965b0170b9d3cf34]::parser::matches::arg_matches::ArgMatches>::values_of_lossy<&str>::{closure#0}> as core[6883ba1bc0fe4ed1]::iter::traits::iterator::Iterator>::collect::<alloc[55a36b64bcbf2c0d]::vec::Vec<alloc[55a36b64bcbf2c0d]::string::String>>
[INFO] [stdout]                                at /rustc/6b3fa26749ab40e159b2dd5cf577acaaf5902772/library/core/src/iter/traits/iterator.rs:2090:9
[INFO] [stdout]   25:     0x5a05a8ce0166 - <clap[965b0170b9d3cf34]::parser::matches::arg_matches::ArgMatches>::values_of_lossy::<&str>
[INFO] [stdout]                                at /opt/rustwide/cargo-home/registry/src/index.crates.io-1949cf8c6b5b557f/clap-3.2.25/src/parser/matches/arg_matches.rs:548:14
[INFO] [stdout]   26:     0x5a05a8cea18b - command_line_rust[2a7d65b3375657d0]::head::get_args
[INFO] [stdout]                                at /opt/rustwide/workdir/src/head/mod.rs:92:24
[INFO] [stdout]   27:     0x5a05a8cdfad2 - head[5f62c2f9cff836a0]::main
[INFO] [stdout]                                at /opt/rustwide/workdir/src/head/main.rs:4:21
[INFO] [stdout]   28:     0x5a05a8cdfbeb - <fn() as core[6883ba1bc0fe4ed1]::ops::function::FnOnce<()>>::call_once
[INFO] [stdout]                                at /rustc/6b3fa26749ab40e159b2dd5cf577acaaf5902772/library/core/src/ops/function.rs:250:5
[INFO] [stdout]   29:     0x5a05a8cdfa5e - std[73adb7dc35730857]::sys::backtrace::__rust_begin_short_backtrace::<fn(), ()>
[INFO] [stdout]                                at /rustc/6b3fa26749ab40e159b2dd5cf577acaaf5902772/library/std/src/sys/backtrace.rs:166:18
[INFO] [stdout]   30:     0x5a05a8cdfa81 - std[73adb7dc35730857]::rt::lang_start::<()>::{closure#0}
[INFO] [stdout]                                at /rustc/6b3fa26749ab40e159b2dd5cf577acaaf5902772/library/std/src/rt.rs:206:18
[INFO] [stdout]   31:     0x5a05a8e47547 - <&dyn core[6883ba1bc0fe4ed1]::ops::function::Fn<(), Output = i32> + core[6883ba1bc0fe4ed1]::panic::unwind_safe::RefUnwindSafe + core[6883ba1bc0fe4ed1]::marker::Sync as core[6883ba1bc0fe4ed1]::ops::function::FnOnce<()>>::call_once
[INFO] [stdout]                                at /rustc/6b3fa26749ab40e159b2dd5cf577acaaf5902772/library/core/src/ops/function.rs:287:21
[INFO] [stdout]   32:     0x5a05a8e47547 - std[73adb7dc35730857]::panicking::catch_unwind::do_call::<&dyn core[6883ba1bc0fe4ed1]::ops::function::Fn<(), Output = i32> + core[6883ba1bc0fe4ed1]::panic::unwind_safe::RefUnwindSafe + core[6883ba1bc0fe4ed1]::marker::Sync, i32>
[INFO] [stdout]                                at /rustc/6b3fa26749ab40e159b2dd5cf577acaaf5902772/library/std/src/panicking.rs:576:43
[INFO] [stdout]   33:     0x5a05a8e47547 - std[73adb7dc35730857]::panicking::catch_unwind::<i32, &dyn core[6883ba1bc0fe4ed1]::ops::function::Fn<(), Output = i32> + core[6883ba1bc0fe4ed1]::panic::unwind_safe::RefUnwindSafe + core[6883ba1bc0fe4ed1]::marker::Sync>
[INFO] [stdout]                                at /rustc/6b3fa26749ab40e159b2dd5cf577acaaf5902772/library/std/src/panicking.rs:544:19
[INFO] [stdout]   34:     0x5a05a8e47547 - std[73adb7dc35730857]::panic::catch_unwind::<&dyn core[6883ba1bc0fe4ed1]::ops::function::Fn<(), Output = i32> + core[6883ba1bc0fe4ed1]::panic::unwind_safe::RefUnwindSafe + core[6883ba1bc0fe4ed1]::marker::Sync, i32>
[INFO] [stdout]                                at /rustc/6b3fa26749ab40e159b2dd5cf577acaaf5902772/library/std/src/panic.rs:359:14
[INFO] [stdout]   35:     0x5a05a8e47547 - std[73adb7dc35730857]::rt::lang_start_internal::{closure#0}
[INFO] [stdout]                                at /rustc/6b3fa26749ab40e159b2dd5cf577acaaf5902772/library/std/src/rt.rs:175:24
[INFO] [stdout]   36:     0x5a05a8e47547 - std[73adb7dc35730857]::panicking::catch_unwind::do_call::<std[73adb7dc35730857]::rt::lang_start_internal::{closure#0}, isize>
[INFO] [stdout]                                at /rustc/6b3fa26749ab40e159b2dd5cf577acaaf5902772/library/std/src/panicking.rs:576:43
[INFO] [stdout]   37:     0x5a05a8e47547 - std[73adb7dc35730857]::panicking::catch_unwind::<isize, std[73adb7dc35730857]::rt::lang_start_internal::{closure#0}>
[INFO] [stdout]                                at /rustc/6b3fa26749ab40e159b2dd5cf577acaaf5902772/library/std/src/panicking.rs:544:19
[INFO] [stdout]   38:     0x5a05a8e47547 - std[73adb7dc35730857]::panic::catch_unwind::<std[73adb7dc35730857]::rt::lang_start_internal::{closure#0}, isize>
[INFO] [stdout]                                at /rustc/6b3fa26749ab40e159b2dd5cf577acaaf5902772/library/std/src/panic.rs:359:14
[INFO] [stdout]   39:     0x5a05a8e47547 - std[73adb7dc35730857]::rt::lang_start_internal
[INFO] [stdout]                                at /rustc/6b3fa26749ab40e159b2dd5cf577acaaf5902772/library/std/src/rt.rs:171:5
[INFO] [stdout]   40:     0x5a05a8cdfa47 - std[73adb7dc35730857]::rt::lang_start::<()>
[INFO] [stdout]                                at /rustc/6b3fa26749ab40e159b2dd5cf577acaaf5902772/library/std/src/rt.rs:205:5
[INFO] [stdout]   41:     0x5a05a8cdfc7e - main
[INFO] [stdout]   42:     0x73ed7cb671ca - <unknown>
[INFO] [stdout]   43:     0x73ed7cb6728b - __libc_start_main
[INFO] [stdout]   44:     0x5a05a8cdf8a5 - _start
[INFO] [stdout]   45:                0x0 - <unknown>
[INFO] [stdout] ```
[INFO] [stdout] ```
[INFO] [stdout] command=`"/opt/rustwide/target/debug/head" "tests/head/inputs/empty.txt" "tests/head/inputs/one.txt" "tests/head/inputs/two.txt" "tests/head/inputs/three.txt" "tests/head/inputs/ten.txt" "-c" "1"`
[INFO] [stdout] code=101
[INFO] [stdout] stdout=""
[INFO] [stdout] stderr=<90 lines total>
[INFO] [stdout] ```
[INFO] [stdout] 
[INFO] [stdout] thread \'main\' (3164) panicked at /opt/rustwide/cargo-home/registry/src/index.crates.io-1949cf8c6b5b557f/clap-3.2.25/src/parser/matches/arg_matches.rs:547:22:
[INFO] [stdout] Must use `Arg::allow_invalid_utf8` with `_os` lookups at `files`
[INFO] [stdout] stack backtrace:
[INFO] [stdout]    0:     0x5a05a8e4c601 - std[73adb7dc35730857]::backtrace_rs::backtrace::libunwind::trace
[INFO] [stdout]                                at /rustc/6b3fa26749ab40e159b2dd5cf577acaaf5902772/library/std/src/../../backtrace/src/backtrace/libunwind.rs:117:9
[INFO] [stdout]    1:     0x5a05a8e4c601 - std[73adb7dc35730857]::backtrace_rs::backtrace::trace_unsynchronized::<std[73adb7dc35730857]::sys::backtrace::_print_fmt::{closure#1}>
[INFO] [stdout]                                at /rustc/6b3fa26749ab40e159b2dd5cf577acaaf5902772/library/std/src/../../backtrace/src/backtrace/mod.rs:66:14
[INFO] [stdout]    2:     0x5a05a8e4c601 - std[73adb7dc35730857]::sys::backtrace::_print_fmt
[INFO] [stdout]                                at /rustc/6b3fa26749ab40e159b2dd5cf577acaaf5902772/library/std/src/sys/backtrace.rs:74:9
[INFO] [stdout]    3:     0x5a05a8e4c601 - <<std[73adb7dc35730857]::sys::backtrace::BacktraceLock>::print::DisplayBacktrace as core[6883ba1bc0fe4ed1]::fmt::Display>::fmt
[INFO] [stdout]                                at /rustc/6b3fa26749ab40e159b2dd5cf577acaaf5902772/library/std/src/sys/backtrace.rs:44:26
[INFO] [stdout]    4:     0x5a05a8e6028a - <core[6883ba1bc0fe4ed1]::fmt::rt::Argument>::fmt
[INFO] [stdout]                                at /rustc/6b3fa26749ab40e159b2dd5cf577acaaf5902772/library/core/src/fmt/rt.rs:152:76
[INFO] [stdout]    5:     0x5a05a8e6028a - core[6883ba1bc0fe4ed1]::fmt::write
[INFO] [stdout]    6:     0x5a05a8e51cec - std[73adb7dc35730857]::io::default_write_fmt::<std[73adb7dc35730857]::sys::stdio::unix::Stderr>
[INFO] [stdout]                                at /rustc/6b3fa26749ab40e159b2dd5cf577acaaf5902772/library/std/src/io/mod.rs:626:11
[INFO] [stdout]    7:     0x5a05a8e51cec - <std[73adb7dc35730857]::sys::stdio::unix::Stderr as std[73adb7dc35730857]::io::Write>::write_fmt
[INFO] [stdout]                                at /rustc/6b3fa26749ab40e159b2dd5cf577acaaf5902772/library/std/src/io/mod.rs:1730:13
[INFO] [stdout]    8:     0x5a05a8e36e16 - <std[73adb7dc35730857]::sys::backtrace::BacktraceLock>::print
[INFO] [stdout] ```
[INFO] [stdout] <30 lines omitted>
[INFO] [stdout] ```
[INFO] [stdout]                                at /rustc/6b3fa26749ab40e159b2dd5cf577acaaf5902772/library/alloc/src/vec/mod.rs:3941:9
[INFO] [stdout]   24:     0x5a05a8ce608e - <core[6883ba1bc0fe4ed1]::iter::adapters::map::Map<core[6883ba1bc0fe4ed1]::iter::adapters::flatten::Flatten<core[6883ba1bc0fe4ed1]::slice::iter::Iter<alloc[55a36b64bcbf2c0d]::vec::Vec<clap[965b0170b9d3cf34]::parser::matches::any_value::AnyValue>>>, <clap[965b0170b9d3cf34]::parser::matches::arg_matches::ArgMatches>::values_of_lossy<&str>::{closure#0}> as core[6883ba1bc0fe4ed1]::iter::traits::iterator::Iterator>::collect::<alloc[55a36b64bcbf2c0d]::vec::Vec<alloc[55a36b64bcbf2c0d]::string::String>>
[INFO] [stdout]                                at /rustc/6b3fa26749ab40e159b2dd5cf577acaaf5902772/library/core/src/iter/traits/iterator.rs:2090:9
[INFO] [stdout]   25:     0x5a05a8ce0166 - <clap[965b0170b9d3cf34]::parser::matches::arg_matches::ArgMatches>::values_of_lossy::<&str>
[INFO] [stdout]                                at /opt/rustwide/cargo-home/registry/src/index.crates.io-1949cf8c6b5b557f/clap-3.2.25/src/parser/matches/arg_matches.rs:548:14
[INFO] [stdout]   26:     0x5a05a8cea18b - command_line_rust[2a7d65b3375657d0]::head::get_args
[INFO] [stdout]                                at /opt/rustwide/workdir/src/head/mod.rs:92:24
[INFO] [stdout]   27:     0x5a05a8cdfad2 - head[5f62c2f9cff836a0]::main
[INFO] [stdout]                                at /opt/rustwide/workdir/src/head/main.rs:4:21
[INFO] [stdout]   28:     0x5a05a8cdfbeb - <fn() as core[6883ba1bc0fe4ed1]::ops::function::FnOnce<()>>::call_once
[INFO] [stdout]                                at /rustc/6b3fa26749ab40e159b2dd5cf577acaaf5902772/library/core/src/ops/function.rs:250:5
[INFO] [stdout]   29:     0x5a05a8cdfa5e - std[73adb7dc35730857]::sys::backtrace::__rust_begin_short_backtrace::<fn(), ()>
[INFO] [stdout]                                at /rustc/6b3fa26749ab40e159b2dd5cf577acaaf5902772/library/std/src/sys/backtrace.rs:166:18
[INFO] [stdout]   30:     0x5a05a8cdfa81 - std[73adb7dc35730857]::rt::lang_start::<()>::{closure#0}
[INFO] [stdout]                                at /rustc/6b3fa26749ab40e159b2dd5cf577acaaf5902772/library/std/src/rt.rs:206:18
[INFO] [stdout]   31:     0x5a05a8e47547 - <&dyn core[6883ba1bc0fe4ed1]::ops::function::Fn<(), Output = i32> + core[6883ba1bc0fe4ed1]::panic::unwind_safe::RefUnwindSafe + core[6883ba1bc0fe4ed1]::marker::Sync as core[6883ba1bc0fe4ed1]::ops::function::FnOnce<()>>::call_once
[INFO] [stdout]                                at /rustc/6b3fa26749ab40e159b2dd5cf577acaaf5902772/library/core/src/ops/function.rs:287:21
[INFO] [stdout]   32:     0x5a05a8e47547 - std[73adb7dc35730857]::panicking::catch_unwind::do_call::<&dyn core[6883ba1bc0fe4ed1]::ops::function::Fn<(), Output = i32> + core[6883ba1bc0fe4ed1]::panic::unwind_safe::RefUnwindSafe + core[6883ba1bc0fe4ed1]::marker::Sync, i32>
[INFO] [stdout]                                at /rustc/6b3fa26749ab40e159b2dd5cf577acaaf5902772/library/std/src/panicking.rs:576:43
[INFO] [stdout]   33:     0x5a05a8e47547 - std[73adb7dc35730857]::panicking::catch_unwind::<i32, &dyn core[6883ba1bc0fe4ed1]::ops::function::Fn<(), Output = i32> + core[6883ba1bc0fe4ed1]::panic::unwind_safe::RefUnwindSafe + core[6883ba1bc0fe4ed1]::marker::Sync>
[INFO] [stdout]                                at /rustc/6b3fa26749ab40e159b2dd5cf577acaaf5902772/library/std/src/panicking.rs:544:19
[INFO] [stdout]   34:     0x5a05a8e47547 - std[73adb7dc35730857]::panic::catch_unwind::<&dyn core[6883ba1bc0fe4ed1]::ops::function::Fn<(), Output = i32> + core[6883ba1bc0fe4ed1]::panic::unwind_safe::RefUnwindSafe + core[6883ba1bc0fe4ed1]::marker::Sync, i32>
[INFO] [stdout]                                at /rustc/6b3fa26749ab40e159b2dd5cf577acaaf5902772/library/std/src/panic.rs:359:14
[INFO] [stdout]   35:     0x5a05a8e47547 - std[73adb7dc35730857]::rt::lang_start_internal::{closure#0}
[INFO] [stdout]                                at /rustc/6b3fa26749ab40e159b2dd5cf577acaaf5902772/library/std/src/rt.rs:175:24
[INFO] [stdout]   36:     0x5a05a8e47547 - std[73adb7dc35730857]::panicking::catch_unwind::do_call::<std[73adb7dc35730857]::rt::lang_start_internal::{closure#0}, isize>
[INFO] [stdout]                                at /rustc/6b3fa26749ab40e159b2dd5cf577acaaf5902772/library/std/src/panicking.rs:576:43
[INFO] [stdout]   37:     0x5a05a8e47547 - std[73adb7dc35730857]::panicking::catch_unwind::<isize, std[73adb7dc35730857]::rt::lang_start_internal::{closure#0}>
[INFO] [stdout]                                at /rustc/6b3fa26749ab40e159b2dd5cf577acaaf5902772/library/std/src/panicking.rs:544:19
[INFO] [stdout]   38:     0x5a05a8e47547 - std[73adb7dc35730857]::panic::catch_unwind::<std[73adb7dc35730857]::rt::lang_start_internal::{closure#0}, isize>
[INFO] [stdout]                                at /rustc/6b3fa26749ab40e159b2dd5cf577acaaf5902772/library/std/src/panic.rs:359:14
[INFO] [stdout]   39:     0x5a05a8e47547 - std[73adb7dc35730857]::rt::lang_start_internal
[INFO] [stdout]                                at /rustc/6b3fa26749ab40e159b2dd5cf577acaaf5902772/library/std/src/rt.rs:171:5
[INFO] [stdout]   40:     0x5a05a8cdfa47 - std[73adb7dc35730857]::rt::lang_start::<()>
[INFO] [stdout]                                at /rustc/6b3fa26749ab40e159b2dd5cf577acaaf5902772/library/std/src/rt.rs:205:5
[INFO] [stdout]   41:     0x5a05a8cdfc7e - main
[INFO] [stdout]   42:     0x73ed7cb671ca - <unknown>
[INFO] [stdout]   43:     0x73ed7cb6728b - __libc_start_main
[INFO] [stdout]   44:     0x5a05a8cdf8a5 - _start
[INFO] [stdout]   45:                0x0 - <unknown>
[INFO] [stdout] ```
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] stack backtrace:
[INFO] [stdout]    0:     0x5c98fa0d5011 - std[73adb7dc35730857]::backtrace_rs::backtrace::libunwind::trace
[INFO] [stdout]                                at /rustc/6b3fa26749ab40e159b2dd5cf577acaaf5902772/library/std/src/../../backtrace/src/backtrace/libunwind.rs:117:9
[INFO] [stdout]    1:     0x5c98fa0d5011 - std[73adb7dc35730857]::backtrace_rs::backtrace::trace_unsynchronized::<std[73adb7dc35730857]::sys::backtrace::_print_fmt::{closure#1}>
[INFO] [stdout]                                at /rustc/6b3fa26749ab40e159b2dd5cf577acaaf5902772/library/std/src/../../backtrace/src/backtrace/mod.rs:66:14
[INFO] [stdout]    2:     0x5c98fa0d5011 - std[73adb7dc35730857]::sys::backtrace::_print_fmt
[INFO] [stdout]                                at /rustc/6b3fa26749ab40e159b2dd5cf577acaaf5902772/library/std/src/sys/backtrace.rs:74:9
[INFO] [stdout]    3:     0x5c98fa0d5011 - <<std[73adb7dc35730857]::sys::backtrace::BacktraceLock>::print::DisplayBacktrace as core[6883ba1bc0fe4ed1]::fmt::Display>::fmt
[INFO] [stdout]                                at /rustc/6b3fa26749ab40e159b2dd5cf577acaaf5902772/library/std/src/sys/backtrace.rs:44:26
[INFO] [stdout]    4:     0x5c98fa0eb71a - <core[6883ba1bc0fe4ed1]::fmt::rt::Argument>::fmt
[INFO] [stdout]                                at /rustc/6b3fa26749ab40e159b2dd5cf577acaaf5902772/library/core/src/fmt/rt.rs:152:76
[INFO] [stdout]    5:     0x5c98fa0eb71a - core[6883ba1bc0fe4ed1]::fmt::write
[INFO] [stdout]    6:     0x5c98fa0da99c - std[73adb7dc35730857]::io::default_write_fmt::<alloc[55a36b64bcbf2c0d]::vec::Vec<u8>>
[INFO] [stdout]                                at /rustc/6b3fa26749ab40e159b2dd5cf577acaaf5902772/library/std/src/io/mod.rs:626:11
[INFO] [stdout]    7:     0x5c98fa0da99c - <alloc[55a36b64bcbf2c0d]::vec::Vec<u8> as std[73adb7dc35730857]::io::Write>::write_fmt
[INFO] [stdout]                                at /rustc/6b3fa26749ab40e159b2dd5cf577acaaf5902772/library/std/src/io/mod.rs:1730:13
[INFO] [stdout]    8:     0x5c98fa0b2986 - <std[73adb7dc35730857]::sys::backtrace::BacktraceLock>::print
[INFO] [stdout]                                at /rustc/6b3fa26749ab40e159b2dd5cf577acaaf5902772/library/std/src/sys/backtrace.rs:47:9
[INFO] [stdout]    9:     0x5c98fa0b2986 - std[73adb7dc35730857]::panicking::default_hook::{closure#0}
[INFO] [stdout]                                at /rustc/6b3fa26749ab40e159b2dd5cf577acaaf5902772/library/std/src/panicking.rs:292:27
[INFO] [stdout]   10:     0x5c98fa0ccd09 - std[73adb7dc35730857]::panicking::default_hook
[INFO] [stdout]                                at /rustc/6b3fa26749ab40e159b2dd5cf577acaaf5902772/library/std/src/panicking.rs:316:9
[INFO] [stdout]   11:     0x5c98f9e5fc40 - <alloc[55a36b64bcbf2c0d]::boxed::Box<dyn for<'a, 'b> core[6883ba1bc0fe4ed1]::ops::function::Fn<(&'a std[73adb7dc35730857]::panic::PanicHookInfo<'b>,), Output = ()> + core[6883ba1bc0fe4ed1]::marker::Send + core[6883ba1bc0fe4ed1]::marker::Sync> as core[6883ba1bc0fe4ed1]::ops::function::Fn<(&std[73adb7dc35730857]::panic::PanicHookInfo,)>>::call
[INFO] [stdout]                                at /rustc/6b3fa26749ab40e159b2dd5cf577acaaf5902772/library/alloc/src/boxed.rs:2333:9
[INFO] [stdout]   12:     0x5c98f9e5fc40 - test[980ffaebd391d06d]::test_main_inner::<test[980ffaebd391d06d]::test_main_static::{closure#0}>::{closure#0}
[INFO] [stdout]                                at /rustc/6b3fa26749ab40e159b2dd5cf577acaaf5902772/library/test/src/lib.rs:155:21
[INFO] [stdout]   13:     0x5c98fa0ccec2 - <alloc[55a36b64bcbf2c0d]::boxed::Box<dyn for<'a, 'b> core[6883ba1bc0fe4ed1]::ops::function::Fn<(&'a std[73adb7dc35730857]::panic::PanicHookInfo<'b>,), Output = ()> + core[6883ba1bc0fe4ed1]::marker::Send + core[6883ba1bc0fe4ed1]::marker::Sync> as core[6883ba1bc0fe4ed1]::ops::function::Fn<(&std[73adb7dc35730857]::panic::PanicHookInfo,)>>::call
[INFO] [stdout]                                at /rustc/6b3fa26749ab40e159b2dd5cf577acaaf5902772/library/alloc/src/boxed.rs:2333:9
[INFO] [stdout]   14:     0x5c98fa0ccec2 - std[73adb7dc35730857]::panicking::panic_with_hook
[INFO] [stdout]                                at /rustc/6b3fa26749ab40e159b2dd5cf577acaaf5902772/library/std/src/panicking.rs:823:13
[INFO] [stdout]   15:     0x5c98fa0b2a32 - std[73adb7dc35730857]::panicking::panic_handler::{closure#0}
[INFO] [stdout]                                at /rustc/6b3fa26749ab40e159b2dd5cf577acaaf5902772/library/std/src/panicking.rs:688:13
[INFO] [stdout]   16:     0x5c98fa0aa1d9 - std[73adb7dc35730857]::sys::backtrace::__rust_end_short_backtrace::<std[73adb7dc35730857]::panicking::panic_handler::{closure#0}, !>
[INFO] [stdout]                                at /rustc/6b3fa26749ab40e159b2dd5cf577acaaf5902772/library/std/src/sys/backtrace.rs:182:18
[INFO] [stdout]   17:     0x5c98fa0b362d - __rustc[a7b7b02e776dd976]::rust_begin_unwind
[INFO] [stdout]                                at /rustc/6b3fa26749ab40e159b2dd5cf577acaaf5902772/library/std/src/panicking.rs:679:5
[INFO] [stdout]   18:     0x5c98fa0ebf9c - core[6883ba1bc0fe4ed1]::panicking::panic_fmt
[INFO] [stdout]                                at /rustc/6b3fa26749ab40e159b2dd5cf577acaaf5902772/library/core/src/panicking.rs:80:14
[INFO] [stdout]   19:     0x5c98fa03b8b8 - core[6883ba1bc0fe4ed1]::panicking::panic_display::<assert_cmd[35418449b5f7a4b8]::assert::AssertError>
[INFO] [stdout]                                at /rustc/6b3fa26749ab40e159b2dd5cf577acaaf5902772/library/core/src/panicking.rs:259:5
[INFO] [stdout]   20:     0x5c98fa0426c7 - <assert_cmd[35418449b5f7a4b8]::assert::AssertError>::panic::<assert_cmd[35418449b5f7a4b8]::assert::Assert>
[INFO] [stdout]                                at /opt/rustwide/cargo-home/registry/src/index.crates.io-1949cf8c6b5b557f/assert_cmd-2.0.11/src/assert.rs:1033:9
[INFO] [stdout]   21:     0x5c98fa038947 - <<assert_cmd[35418449b5f7a4b8]::assert::AssertError>::panic<assert_cmd[35418449b5f7a4b8]::assert::Assert> as core[6883ba1bc0fe4ed1]::ops::function::FnOnce<(assert_cmd[35418449b5f7a4b8]::assert::AssertError,)>>::call_once
[INFO] [stdout]                                at /rustc/6b3fa26749ab40e159b2dd5cf577acaaf5902772/library/core/src/ops/function.rs:250:5
[INFO] [stdout]   22:     0x5c98fa041dfb - <core[6883ba1bc0fe4ed1]::result::Result<assert_cmd[35418449b5f7a4b8]::assert::Assert, assert_cmd[35418449b5f7a4b8]::assert::AssertError>>::unwrap_or_else::<<assert_cmd[35418449b5f7a4b8]::assert::AssertError>::panic<assert_cmd[35418449b5f7a4b8]::assert::Assert>>
[INFO] [stdout]                                at /rustc/6b3fa26749ab40e159b2dd5cf577acaaf5902772/library/core/src/result.rs:1620:23
[INFO] [stdout]   23:     0x5c98fa0442a0 - <assert_cmd[35418449b5f7a4b8]::assert::Assert>::success
[INFO] [stdout]                                at /opt/rustwide/cargo-home/registry/src/index.crates.io-1949cf8c6b5b557f/assert_cmd-2.0.11/src/assert.rs:158:28
[INFO] [stdout]   24:     0x5c98f9e4c073 - lib[ef69c164f1f8dd99]::head::run
[INFO] [stdout]                                at /opt/rustwide/workdir/tests/head/mod.rs:105:10
[INFO] [stdout]   25:     0x5c98f9e4db2e - lib[ef69c164f1f8dd99]::head::multiple_files_c1
[INFO] [stdout]                                at /opt/rustwide/workdir/tests/head/mod.rs:400:5
[INFO] [stdout]   26:     0x5c98f9e47937 - lib[ef69c164f1f8dd99]::head::multiple_files_c1::{closure#0}
[INFO] [stdout]                                at /opt/rustwide/workdir/tests/head/mod.rs:399:27
[INFO] [stdout]   27:     0x5c98f9e523d6 - <lib[ef69c164f1f8dd99]::head::multiple_files_c1::{closure#0} as core[6883ba1bc0fe4ed1]::ops::function::FnOnce<()>>::call_once
[INFO] [stdout]                                at /rustc/6b3fa26749ab40e159b2dd5cf577acaaf5902772/library/core/src/ops/function.rs:250:5
[INFO] [stdout]   28:     0x5c98f9e52f7b - <fn() -> core[6883ba1bc0fe4ed1]::result::Result<(), alloc[55a36b64bcbf2c0d]::string::String> as core[6883ba1bc0fe4ed1]::ops::function::FnOnce<()>>::call_once
[INFO] [stdout]                                at /rustc/6b3fa26749ab40e159b2dd5cf577acaaf5902772/library/core/src/ops/function.rs:250:5
[INFO] [stdout]   29:     0x5c98f9e52f7b - test[980ffaebd391d06d]::__rust_begin_short_backtrace::<core[6883ba1bc0fe4ed1]::result::Result<(), alloc[55a36b64bcbf2c0d]::string::String>, fn() -> core[6883ba1bc0fe4ed1]::result::Result<(), alloc[55a36b64bcbf2c0d]::string::String>>
[INFO] [stdout]                                at /rustc/6b3fa26749ab40e159b2dd5cf577acaaf5902772/library/test/src/lib.rs:724:18
[INFO] [stdout]   30:     0x5c98f9e605c5 - test[980ffaebd391d06d]::run_test_in_process::{closure#0}
[INFO] [stdout]                                at /rustc/6b3fa26749ab40e159b2dd5cf577acaaf5902772/library/test/src/lib.rs:747:74
[INFO] [stdout]   31:     0x5c98f9e605c5 - <core[6883ba1bc0fe4ed1]::panic::unwind_safe::AssertUnwindSafe<test[980ffaebd391d06d]::run_test_in_process::{closure#0}> as core[6883ba1bc0fe4ed1]::ops::function::FnOnce<()>>::call_once
[INFO] [stdout]                                at /rustc/6b3fa26749ab40e159b2dd5cf577acaaf5902772/library/core/src/panic/unwind_safe.rs:275:9
[INFO] [stdout]   32:     0x5c98f9e605c5 - std[73adb7dc35730857]::panicking::catch_unwind::do_call::<core[6883ba1bc0fe4ed1]::panic::unwind_safe::AssertUnwindSafe<test[980ffaebd391d06d]::run_test_in_process::{closure#0}>, core[6883ba1bc0fe4ed1]::result::Result<(), alloc[55a36b64bcbf2c0d]::string::String>>
[INFO] [stdout]                                at /rustc/6b3fa26749ab40e159b2dd5cf577acaaf5902772/library/std/src/panicking.rs:576:43
[INFO] [stdout]   33:     0x5c98f9e605c5 - std[73adb7dc35730857]::panicking::catch_unwind::<core[6883ba1bc0fe4ed1]::result::Result<(), alloc[55a36b64bcbf2c0d]::string::String>, core[6883ba1bc0fe4ed1]::panic::unwind_safe::AssertUnwindSafe<test[980ffaebd391d06d]::run_test_in_process::{closure#0}>>
[INFO] [stdout]                                at /rustc/6b3fa26749ab40e159b2dd5cf577acaaf5902772/library/std/src/panicking.rs:544:19
[INFO] [stdout]   34:     0x5c98f9e605c5 - std[73adb7dc35730857]::panic::catch_unwind::<core[6883ba1bc0fe4ed1]::panic::unwind_safe::AssertUnwindSafe<test[980ffaebd391d06d]::run_test_in_process::{closure#0}>, core[6883ba1bc0fe4ed1]::result::Result<(), alloc[55a36b64bcbf2c0d]::string::String>>
[INFO] [stdout]                                at /rustc/6b3fa26749ab40e159b2dd5cf577acaaf5902772/library/std/src/panic.rs:359:14
[INFO] [stdout]   35:     0x5c98f9e605c5 - test[980ffaebd391d06d]::run_test_in_process
[INFO] [stdout]                                at /rustc/6b3fa26749ab40e159b2dd5cf577acaaf5902772/library/test/src/lib.rs:747:27
[INFO] [stdout]   36:     0x5c98f9e605c5 - test[980ffaebd391d06d]::run_test::{closure#0}
[INFO] [stdout]                                at /rustc/6b3fa26749ab40e159b2dd5cf577acaaf5902772/library/test/src/lib.rs:668:43
[INFO] [stdout]   37:     0x5c98f9e5b074 - test[980ffaebd391d06d]::run_test::{closure#1}
[INFO] [stdout]                                at /rustc/6b3fa26749ab40e159b2dd5cf577acaaf5902772/library/test/src/lib.rs:698:41
[INFO] [stdout]   38:     0x5c98f9e5b074 - std[73adb7dc35730857]::sys::backtrace::__rust_begin_short_backtrace::<test[980ffaebd391d06d]::run_test::{closure#1}, ()>
[INFO] [stdout]                                at /rustc/6b3fa26749ab40e159b2dd5cf577acaaf5902772/library/std/src/sys/backtrace.rs:166:18
[INFO] [stdout]   39:     0x5c98f9e63712 - std[73adb7dc35730857]::thread::lifecycle::spawn_unchecked::<test[980ffaebd391d06d]::run_test::{closure#1}, ()>::{closure#1}::{closure#0}
[INFO] [stdout]                                at /rustc/6b3fa26749ab40e159b2dd5cf577acaaf5902772/library/std/src/thread/lifecycle.rs:70:13
[INFO] [stdout]   40:     0x5c98f9e63712 - <core[6883ba1bc0fe4ed1]::panic::unwind_safe::AssertUnwindSafe<std[73adb7dc35730857]::thread::lifecycle::spawn_unchecked<test[980ffaebd391d06d]::run_test::{closure#1}, ()>::{closure#1}::{closure#0}> as core[6883ba1bc0fe4ed1]::ops::function::FnOnce<()>>::call_once
[INFO] [stdout]                                at /rustc/6b3fa26749ab40e159b2dd5cf577acaaf5902772/library/core/src/panic/unwind_safe.rs:275:9
[INFO] [stdout]   41:     0x5c98f9e63712 - std[73adb7dc35730857]::panicking::catch_unwind::do_call::<core[6883ba1bc0fe4ed1]::panic::unwind_safe::AssertUnwindSafe<std[73adb7dc35730857]::thread::lifecycle::spawn_unchecked<test[980ffaebd391d06d]::run_test::{closure#1}, ()>::{closure#1}::{closure#0}>, ()>
[INFO] [stdout]                                at /rustc/6b3fa26749ab40e159b2dd5cf577acaaf5902772/library/std/src/panicking.rs:576:43
[INFO] [stdout]   42:     0x5c98f9e63712 - std[73adb7dc35730857]::panicking::catch_unwind::<(), core[6883ba1bc0fe4ed1]::panic::unwind_safe::AssertUnwindSafe<std[73adb7dc35730857]::thread::lifecycle::spawn_unchecked<test[980ffaebd391d06d]::run_test::{closure#1}, ()>::{closure#1}::{closure#0}>>
[INFO] [stdout]                                at /rustc/6b3fa26749ab40e159b2dd5cf577acaaf5902772/library/std/src/panicking.rs:544:19
[INFO] [stdout]   43:     0x5c98f9e63712 - std[73adb7dc35730857]::panic::catch_unwind::<core[6883ba1bc0fe4ed1]::panic::unwind_safe::AssertUnwindSafe<std[73adb7dc35730857]::thread::lifecycle::spawn_unchecked<test[980ffaebd391d06d]::run_test::{closure#1}, ()>::{closure#1}::{closure#0}>, ()>
[INFO] [stdout]                                at /rustc/6b3fa26749ab40e159b2dd5cf577acaaf5902772/library/std/src/panic.rs:359:14
[INFO] [stdout]   44:     0x5c98f9e63712 - std[73adb7dc35730857]::thread::lifecycle::spawn_unchecked::<test[980ffaebd391d06d]::run_test::{closure#1}, ()>::{closure#1}
[INFO] [stdout]                                at /rustc/6b3fa26749ab40e159b2dd5cf577acaaf5902772/library/std/src/thread/lifecycle.rs:68:26
[INFO] [stdout]   45:     0x5c98f9e63712 - <std[73adb7dc35730857]::thread::lifecycle::spawn_unchecked<test[980ffaebd391d06d]::run_test::{closure#1}, ()>::{closure#1} as core[6883ba1bc0fe4ed1]::ops::function::FnOnce<()>>::call_once::{shim:vtable#0}
[INFO] [stdout]                                at /rustc/6b3fa26749ab40e159b2dd5cf577acaaf5902772/library/core/src/ops/function.rs:250:5
[INFO] [stdout]   46:     0x5c98fa0d44af - <alloc[55a36b64bcbf2c0d]::boxed::Box<dyn core[6883ba1bc0fe4ed1]::ops::function::FnOnce<(), Output = ()> + core[6883ba1bc0fe4ed1]::marker::Send> as core[6883ba1bc0fe4ed1]::ops::function::FnOnce<()>>::call_once
[INFO] [stdout]                                at /rustc/6b3fa26749ab40e159b2dd5cf577acaaf5902772/library/alloc/src/boxed.rs:2319:9
[INFO] [stdout]   47:     0x5c98fa0d44af - <std[73adb7dc35730857]::sys::thread::unix::Thread>::new::thread_start
[INFO] [stdout]                                at /rustc/6b3fa26749ab40e159b2dd5cf577acaaf5902772/library/std/src/sys/thread/unix.rs:123:17
[INFO] [stdout]   48:     0x718092357aa4 - <unknown>
[INFO] [stdout]   49:     0x7180923e4a64 - clone
[INFO] [stdout]   50:                0x0 - <unknown>
[INFO] [stdout] 
[INFO] [stdout] ---- head::multiple_files_c4 stdout ----
[INFO] [stdout] 
[INFO] [stdout] thread 'head::multiple_files_c4' (3151) panicked at /rustc/6b3fa26749ab40e159b2dd5cf577acaaf5902772/library/core/src/ops/function.rs:250:5:
[INFO] [stdout] Unexpected failure.
[INFO] [stdout] code-101
[INFO] [stdout] stderr=```<90 lines total>
[INFO] [stdout] ```
[INFO] [stdout] 
[INFO] [stdout] thread \'main\' (3175) panicked at /opt/rustwide/cargo-home/registry/src/index.crates.io-1949cf8c6b5b557f/clap-3.2.25/src/parser/matches/arg_matches.rs:547:22:
[INFO] [stdout] Must use `Arg::allow_invalid_utf8` with `_os` lookups at `files`
[INFO] [stdout] stack backtrace:
[INFO] [stdout]    0:     0x590baf90b601 - std[73adb7dc35730857]::backtrace_rs::backtrace::libunwind::trace
[INFO] [stdout]                                at /rustc/6b3fa26749ab40e159b2dd5cf577acaaf5902772/library/std/src/../../backtrace/src/backtrace/libunwind.rs:117:9
[INFO] [stdout]    1:     0x590baf90b601 - std[73adb7dc35730857]::backtrace_rs::backtrace::trace_unsynchronized::<std[73adb7dc35730857]::sys::backtrace::_print_fmt::{closure#1}>
[INFO] [stdout]                                at /rustc/6b3fa26749ab40e159b2dd5cf577acaaf5902772/library/std/src/../../backtrace/src/backtrace/mod.rs:66:14
[INFO] [stdout]    2:     0x590baf90b601 - std[73adb7dc35730857]::sys::backtrace::_print_fmt
[INFO] [stdout]                                at /rustc/6b3fa26749ab40e159b2dd5cf577acaaf5902772/library/std/src/sys/backtrace.rs:74:9
[INFO] [stdout]    3:     0x590baf90b601 - <<std[73adb7dc35730857]::sys::backtrace::BacktraceLock>::print::DisplayBacktrace as core[6883ba1bc0fe4ed1]::fmt::Display>::fmt
[INFO] [stdout]                                at /rustc/6b3fa26749ab40e159b2dd5cf577acaaf5902772/library/std/src/sys/backtrace.rs:44:26
[INFO] [stdout]    4:     0x590baf91f28a - <core[6883ba1bc0fe4ed1]::fmt::rt::Argument>::fmt
[INFO] [stdout]                                at /rustc/6b3fa26749ab40e159b2dd5cf577acaaf5902772/library/core/src/fmt/rt.rs:152:76
[INFO] [stdout]    5:     0x590baf91f28a - core[6883ba1bc0fe4ed1]::fmt::write
[INFO] [stdout]    6:     0x590baf910cec - std[73adb7dc35730857]::io::default_write_fmt::<std[73adb7dc35730857]::sys::stdio::unix::Stderr>
[INFO] [stdout]                                at /rustc/6b3fa26749ab40e159b2dd5cf577acaaf5902772/library/std/src/io/mod.rs:626:11
[INFO] [stdout]    7:     0x590baf910cec - <std[73adb7dc35730857]::sys::stdio::unix::Stderr as std[73adb7dc35730857]::io::Write>::write_fmt
[INFO] [stdout]                                at /rustc/6b3fa26749ab40e159b2dd5cf577acaaf5902772/library/std/src/io/mod.rs:1730:13
[INFO] [stdout]    8:     0x590baf8f5e16 - <std[73adb7dc35730857]::sys::backtrace::BacktraceLock>::print
[INFO] [stdout] ```
[INFO] [stdout] <30 lines omitted>
[INFO] [stdout] ```
[INFO] [stdout]                                at /rustc/6b3fa26749ab40e159b2dd5cf577acaaf5902772/library/alloc/src/vec/mod.rs:3941:9
[INFO] [stdout]   24:     0x590baf7a508e - <core[6883ba1bc0fe4ed1]::iter::adapters::map::Map<core[6883ba1bc0fe4ed1]::iter::adapters::flatten::Flatten<core[6883ba1bc0fe4ed1]::slice::iter::Iter<alloc[55a36b64bcbf2c0d]::vec::Vec<clap[965b0170b9d3cf34]::parser::matches::any_value::AnyValue>>>, <clap[965b0170b9d3cf34]::parser::matches::arg_matches::ArgMatches>::values_of_lossy<&str>::{closure#0}> as core[6883ba1bc0fe4ed1]::iter::traits::iterator::Iterator>::collect::<alloc[55a36b64bcbf2c0d]::vec::Vec<alloc[55a36b64bcbf2c0d]::string::String>>
[INFO] [stdout]                                at /rustc/6b3fa26749ab40e159b2dd5cf577acaaf5902772/library/core/src/iter/traits/iterator.rs:2090:9
[INFO] [stdout]   25:     0x590baf79f166 - <clap[965b0170b9d3cf34]::parser::matches::arg_matches::ArgMatches>::values_of_lossy::<&str>
[INFO] [stdout]                                at /opt/rustwide/cargo-home/registry/src/index.crates.io-1949cf8c6b5b557f/clap-3.2.25/src/parser/matches/arg_matches.rs:548:14
[INFO] [stdout]   26:     0x590baf7a918b - command_line_rust[2a7d65b3375657d0]::head::get_args
[INFO] [stdout]                                at /opt/rustwide/workdir/src/head/mod.rs:92:24
[INFO] [stdout]   27:     0x590baf79ead2 - head[5f62c2f9cff836a0]::main
[INFO] [stdout]                                at /opt/rustwide/workdir/src/head/main.rs:4:21
[INFO] [stdout]   28:     0x590baf79ebeb - <fn() as core[6883ba1bc0fe4ed1]::ops::function::FnOnce<()>>::call_once
[INFO] [stdout]                                at /rustc/6b3fa26749ab40e159b2dd5cf577acaaf5902772/library/core/src/ops/function.rs:250:5
[INFO] [stdout]   29:     0x590baf79ea5e - std[73adb7dc35730857]::sys::backtrace::__rust_begin_short_backtrace::<fn(), ()>
[INFO] [stdout]                                at /rustc/6b3fa26749ab40e159b2dd5cf577acaaf5902772/library/std/src/sys/backtrace.rs:166:18
[INFO] [stdout]   30:     0x590baf79ea81 - std[73adb7dc35730857]::rt::lang_start::<()>::{closure#0}
[INFO] [stdout]                                at /rustc/6b3fa26749ab40e159b2dd5cf577acaaf5902772/library/std/src/rt.rs:206:18
[INFO] [stdout]   31:     0x590baf906547 - <&dyn core[6883ba1bc0fe4ed1]::ops::function::Fn<(), Output = i32> + core[6883ba1bc0fe4ed1]::panic::unwind_safe::RefUnwindSafe + core[6883ba1bc0fe4ed1]::marker::Sync as core[6883ba1bc0fe4ed1]::ops::function::FnOnce<()>>::call_once
[INFO] [stdout]                                at /rustc/6b3fa26749ab40e159b2dd5cf577acaaf5902772/library/core/src/ops/function.rs:287:21
[INFO] [stdout]   32:     0x590baf906547 - std[73adb7dc35730857]::panicking::catch_unwind::do_call::<&dyn core[6883ba1bc0fe4ed1]::ops::function::Fn<(), Output = i32> + core[6883ba1bc0fe4ed1]::panic::unwind_safe::RefUnwindSafe + core[6883ba1bc0fe4ed1]::marker::Sync, i32>
[INFO] [stdout]                                at /rustc/6b3fa26749ab40e159b2dd5cf577acaaf5902772/library/std/src/panicking.rs:576:43
[INFO] [stdout]   33:     0x590baf906547 - std[73adb7dc35730857]::panicking::catch_unwind::<i32, &dyn core[6883ba1bc0fe4ed1]::ops::function::Fn<(), Output = i32> + core[6883ba1bc0fe4ed1]::panic::unwind_safe::RefUnwindSafe + core[6883ba1bc0fe4ed1]::marker::Sync>
[INFO] [stdout]                                at /rustc/6b3fa26749ab40e159b2dd5cf577acaaf5902772/library/std/src/panicking.rs:544:19
[INFO] [stdout]   34:     0x590baf906547 - std[73adb7dc35730857]::panic::catch_unwind::<&dyn core[6883ba1bc0fe4ed1]::ops::function::Fn<(), Output = i32> + core[6883ba1bc0fe4ed1]::panic::unwind_safe::RefUnwindSafe + core[6883ba1bc0fe4ed1]::marker::Sync, i32>
[INFO] [stdout]                                at /rustc/6b3fa26749ab40e159b2dd5cf577acaaf5902772/library/std/src/panic.rs:359:14
[INFO] [stdout]   35:     0x590baf906547 - std[73adb7dc35730857]::rt::lang_start_internal::{closure#0}
[INFO] [stdout]                                at /rustc/6b3fa26749ab40e159b2dd5cf577acaaf5902772/library/std/src/rt.rs:175:24
[INFO] [stdout]   36:     0x590baf906547 - std[73adb7dc35730857]::panicking::catch_unwind::do_call::<std[73adb7dc35730857]::rt::lang_start_internal::{closure#0}, isize>
[INFO] [stdout]                                at /rustc/6b3fa26749ab40e159b2dd5cf577acaaf5902772/library/std/src/panicking.rs:576:43
[INFO] [stdout]   37:     0x590baf906547 - std[73adb7dc35730857]::panicking::catch_unwind::<isize, std[73adb7dc35730857]::rt::lang_start_internal::{closure#0}>
[INFO] [stdout]                                at /rustc/6b3fa26749ab40e159b2dd5cf577acaaf5902772/library/std/src/panicking.rs:544:19
[INFO] [stdout]   38:     0x590baf906547 - std[73adb7dc35730857]::panic::catch_unwind::<std[73adb7dc35730857]::rt::lang_start_internal::{closure#0}, isize>
[INFO] [stdout]                                at /rustc/6b3fa26749ab40e159b2dd5cf577acaaf5902772/library/std/src/panic.rs:359:14
[INFO] [stdout]   39:     0x590baf906547 - std[73adb7dc35730857]::rt::lang_start_internal
[INFO] [stdout]                                at /rustc/6b3fa26749ab40e159b2dd5cf577acaaf5902772/library/std/src/rt.rs:171:5
[INFO] [stdout]   40:     0x590baf79ea47 - std[73adb7dc35730857]::rt::lang_start::<()>
[INFO] [stdout]                                at /rustc/6b3fa26749ab40e159b2dd5cf577acaaf5902772/library/std/src/rt.rs:205:5
[INFO] [stdout]   41:     0x590baf79ec7e - main
[INFO] [stdout]   42:     0x7c24f90d31ca - <unknown>
[INFO] [stdout]   43:     0x7c24f90d328b - __libc_start_main
[INFO] [stdout]   44:     0x590baf79e8a5 - _start
[INFO] [stdout]   45:                0x0 - <unknown>
[INFO] [stdout] ```
[INFO] [stdout] ```
[INFO] [stdout] command=`"/opt/rustwide/target/debug/head" "-c" "4" "tests/head/inputs/empty.txt" "tests/head/inputs/one.txt" "tests/head/inputs/two.txt" "tests/head/inputs/three.txt" "tests/head/inputs/ten.txt"`
[INFO] [stdout] code=101
[INFO] [stdout] stdout=""
[INFO] [stdout] stderr=<90 lines total>
[INFO] [stdout] ```
[INFO] [stdout] 
[INFO] [stdout] thread \'main\' (3175) panicked at /opt/rustwide/cargo-home/registry/src/index.crates.io-1949cf8c6b5b557f/clap-3.2.25/src/parser/matches/arg_matches.rs:547:22:
[INFO] [stdout] Must use `Arg::allow_invalid_utf8` with `_os` lookups at `files`
[INFO] [stdout] stack backtrace:
[INFO] [stdout]    0:     0x590baf90b601 - std[73adb7dc35730857]::backtrace_rs::backtrace::libunwind::trace
[INFO] [stdout]                                at /rustc/6b3fa26749ab40e159b2dd5cf577acaaf5902772/library/std/src/../../backtrace/src/backtrace/libunwind.rs:117:9
[INFO] [stdout]    1:     0x590baf90b601 - std[73adb7dc35730857]::backtrace_rs::backtrace::trace_unsynchronized::<std[73adb7dc35730857]::sys::backtrace::_print_fmt::{closure#1}>
[INFO] [stdout]                                at /rustc/6b3fa26749ab40e159b2dd5cf577acaaf5902772/library/std/src/../../backtrace/src/backtrace/mod.rs:66:14
[INFO] [stdout]    2:     0x590baf90b601 - std[73adb7dc35730857]::sys::backtrace::_print_fmt
[INFO] [stdout]                                at /rustc/6b3fa26749ab40e159b2dd5cf577acaaf5902772/library/std/src/sys/backtrace.rs:74:9
[INFO] [stdout]    3:     0x590baf90b601 - <<std[73adb7dc35730857]::sys::backtrace::BacktraceLock>::print::DisplayBacktrace as core[6883ba1bc0fe4ed1]::fmt::Display>::fmt
[INFO] [stdout]                                at /rustc/6b3fa26749ab40e159b2dd5cf577acaaf5902772/library/std/src/sys/backtrace.rs:44:26
[INFO] [stdout]    4:     0x590baf91f28a - <core[6883ba1bc0fe4ed1]::fmt::rt::Argument>::fmt
[INFO] [stdout]                                at /rustc/6b3fa26749ab40e159b2dd5cf577acaaf5902772/library/core/src/fmt/rt.rs:152:76
[INFO] [stdout]    5:     0x590baf91f28a - core[6883ba1bc0fe4ed1]::fmt::write
[INFO] [stdout]    6:     0x590baf910cec - std[73adb7dc35730857]::io::default_write_fmt::<std[73adb7dc35730857]::sys::stdio::unix::Stderr>
[INFO] [stdout]                                at /rustc/6b3fa26749ab40e159b2dd5cf577acaaf5902772/library/std/src/io/mod.rs:626:11
[INFO] [stdout]    7:     0x590baf910cec - <std[73adb7dc35730857]::sys::stdio::unix::Stderr as std[73adb7dc35730857]::io::Write>::write_fmt
[INFO] [stdout]                                at /rustc/6b3fa26749ab40e159b2dd5cf577acaaf5902772/library/std/src/io/mod.rs:1730:13
[INFO] [stdout]    8:     0x590baf8f5e16 - <std[73adb7dc35730857]::sys::backtrace::BacktraceLock>::print
[INFO] [stdout] ```
[INFO] [stdout] <30 lines omitted>
[INFO] [stdout] ```
[INFO] [stdout]                                at /rustc/6b3fa26749ab40e159b2dd5cf577acaaf5902772/library/alloc/src/vec/mod.rs:3941:9
[INFO] [stdout]   24:     0x590baf7a508e - <core[6883ba1bc0fe4ed1]::iter::adapters::map::Map<core[6883ba1bc0fe4ed1]::iter::adapters::flatten::Flatten<core[6883ba1bc0fe4ed1]::slice::iter::Iter<alloc[55a36b64bcbf2c0d]::vec::Vec<clap[965b0170b9d3cf34]::parser::matches::any_value::AnyValue>>>, <clap[965b0170b9d3cf34]::parser::matches::arg_matches::ArgMatches>::values_of_lossy<&str>::{closure#0}> as core[6883ba1bc0fe4ed1]::iter::traits::iterator::Iterator>::collect::<alloc[55a36b64bcbf2c0d]::vec::Vec<alloc[55a36b64bcbf2c0d]::string::String>>
[INFO] [stdout]                                at /rustc/6b3fa26749ab40e159b2dd5cf577acaaf5902772/library/core/src/iter/traits/iterator.rs:2090:9
[INFO] [stdout]   25:     0x590baf79f166 - <clap[965b0170b9d3cf34]::parser::matches::arg_matches::ArgMatches>::values_of_lossy::<&str>
[INFO] [stdout]                                at /opt/rustwide/cargo-home/registry/src/index.crates.io-1949cf8c6b5b557f/clap-3.2.25/src/parser/matches/arg_matches.rs:548:14
[INFO] [stdout]   26:     0x590baf7a918b - command_line_rust[2a7d65b3375657d0]::head::get_args
[INFO] [stdout]                                at /opt/rustwide/workdir/src/head/mod.rs:92:24
[INFO] [stdout]   27:     0x590baf79ead2 - head[5f62c2f9cff836a0]::main
[INFO] [stdout]                                at /opt/rustwide/workdir/src/head/main.rs:4:21
[INFO] [stdout]   28:     0x590baf79ebeb - <fn() as core[6883ba1bc0fe4ed1]::ops::function::FnOnce<()>>::call_once
[INFO] [stdout]                                at /rustc/6b3fa26749ab40e159b2dd5cf577acaaf5902772/library/core/src/ops/function.rs:250:5
[INFO] [stdout]   29:     0x590baf79ea5e - std[73adb7dc35730857]::sys::backtrace::__rust_begin_short_backtrace::<fn(), ()>
[INFO] [stdout]                                at /rustc/6b3fa26749ab40e159b2dd5cf577acaaf5902772/library/std/src/sys/backtrace.rs:166:18
[INFO] [stdout]   30:     0x590baf79ea81 - std[73adb7dc35730857]::rt::lang_start::<()>::{closure#0}
[INFO] [stdout]                                at /rustc/6b3fa26749ab40e159b2dd5cf577acaaf5902772/library/std/src/rt.rs:206:18
[INFO] [stdout]   31:     0x590baf906547 - <&dyn core[6883ba1bc0fe4ed1]::ops::function::Fn<(), Output = i32> + core[6883ba1bc0fe4ed1]::panic::unwind_safe::RefUnwindSafe + core[6883ba1bc0fe4ed1]::marker::Sync as core[6883ba1bc0fe4ed1]::ops::function::FnOnce<()>>::call_once
[INFO] [stdout]                                at /rustc/6b3fa26749ab40e159b2dd5cf577acaaf5902772/library/core/src/ops/function.rs:287:21
[INFO] [stdout]   32:     0x590baf906547 - std[73adb7dc35730857]::panicking::catch_unwind::do_call::<&dyn core[6883ba1bc0fe4ed1]::ops::function::Fn<(), Output = i32> + core[6883ba1bc0fe4ed1]::panic::unwind_safe::RefUnwindSafe + core[6883ba1bc0fe4ed1]::marker::Sync, i32>
[INFO] [stdout]                                at /rustc/6b3fa26749ab40e159b2dd5cf577acaaf5902772/library/std/src/panicking.rs:576:43
[INFO] [stdout]   33:     0x590baf906547 - std[73adb7dc35730857]::panicking::catch_unwind::<i32, &dyn core[6883ba1bc0fe4ed1]::ops::function::Fn<(), Output = i32> + core[6883ba1bc0fe4ed1]::panic::unwind_safe::RefUnwindSafe + core[6883ba1bc0fe4ed1]::marker::Sync>
[INFO] [stdout]                                at /rustc/6b3fa26749ab40e159b2dd5cf577acaaf5902772/library/std/src/panicking.rs:544:19
[INFO] [stdout]   34:     0x590baf906547 - std[73adb7dc35730857]::panic::catch_unwind::<&dyn core[6883ba1bc0fe4ed1]::ops::function::Fn<(), Output = i32> + core[6883ba1bc0fe4ed1]::panic::unwind_safe::RefUnwindSafe + core[6883ba1bc0fe4ed1]::marker::Sync, i32>
[INFO] [stdout]                                at /rustc/6b3fa26749ab40e159b2dd5cf577acaaf5902772/library/std/src/panic.rs:359:14
[INFO] [stdout]   35:     0x590baf906547 - std[73adb7dc35730857]::rt::lang_start_internal::{closure#0}
[INFO] [stdout]                                at /rustc/6b3fa26749ab40e159b2dd5cf577acaaf5902772/library/std/src/rt.rs:175:24
[INFO] [stdout]   36:     0x590baf906547 - std[73adb7dc35730857]::panicking::catch_unwind::do_call::<std[73adb7dc35730857]::rt::lang_start_internal::{closure#0}, isize>
[INFO] [stdout]                                at /rustc/6b3fa26749ab40e159b2dd5cf577acaaf5902772/library/std/src/panicking.rs:576:43
[INFO] [stdout]   37:     0x590baf906547 - std[73adb7dc35730857]::panicking::catch_unwind::<isize, std[73adb7dc35730857]::rt::lang_start_internal::{closure#0}>
[INFO] [stdout]                                at /rustc/6b3fa26749ab40e159b2dd5cf577acaaf5902772/library/std/src/panicking.rs:544:19
[INFO] [stdout]   38:     0x590baf906547 - std[73adb7dc35730857]::panic::catch_unwind::<std[73adb7dc35730857]::rt::lang_start_internal::{closure#0}, isize>
[INFO] [stdout]                                at /rustc/6b3fa26749ab40e159b2dd5cf577acaaf5902772/library/std/src/panic.rs:359:14
[INFO] [stdout]   39:     0x590baf906547 - std[73adb7dc35730857]::rt::lang_start_internal
[INFO] [stdout]                                at /rustc/6b3fa26749ab40e159b2dd5cf577acaaf5902772/library/std/src/rt.rs:171:5
[INFO] [stdout]   40:     0x590baf79ea47 - std[73adb7dc35730857]::rt::lang_start::<()>
[INFO] [stdout]                                at /rustc/6b3fa26749ab40e159b2dd5cf577acaaf5902772/library/std/src/rt.rs:205:5
[INFO] [stdout]   41:     0x590baf79ec7e - main
[INFO] [stdout]   42:     0x7c24f90d31ca - <unknown>
[INFO] [stdout]   43:     0x7c24f90d328b - __libc_start_main
[INFO] [stdout]   44:     0x590baf79e8a5 - _start
[INFO] [stdout]   45:                0x0 - <unknown>
[INFO] [stdout] ```
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] stack backtrace:
[INFO] [stdout]    0:     0x5c98fa0d5011 - std[73adb7dc35730857]::backtrace_rs::backtrace::libunwind::trace
[INFO] [stdout]                                at /rustc/6b3fa26749ab40e159b2dd5cf577acaaf5902772/library/std/src/../../backtrace/src/backtrace/libunwind.rs:117:9
[INFO] [stdout]    1:     0x5c98fa0d5011 - std[73adb7dc35730857]::backtrace_rs::backtrace::trace_unsynchronized::<std[73adb7dc35730857]::sys::backtrace::_print_fmt::{closure#1}>
[INFO] [stdout]                                at /rustc/6b3fa26749ab40e159b2dd5cf577acaaf5902772/library/std/src/../../backtrace/src/backtrace/mod.rs:66:14
[INFO] [stdout]    2:     0x5c98fa0d5011 - std[73adb7dc35730857]::sys::backtrace::_print_fmt
[INFO] [stdout]                                at /rustc/6b3fa26749ab40e159b2dd5cf577acaaf5902772/library/std/src/sys/backtrace.rs:74:9
[INFO] [stdout]    3:     0x5c98fa0d5011 - <<std[73adb7dc35730857]::sys::backtrace::BacktraceLock>::print::DisplayBacktrace as core[6883ba1bc0fe4ed1]::fmt::Display>::fmt
[INFO] [stdout]                                at /rustc/6b3fa26749ab40e159b2dd5cf577acaaf5902772/library/std/src/sys/backtrace.rs:44:26
[INFO] [stdout]    4:     0x5c98fa0eb71a - <core[6883ba1bc0fe4ed1]::fmt::rt::Argument>::fmt
[INFO] [stdout]                                at /rustc/6b3fa26749ab40e159b2dd5cf577acaaf5902772/library/core/src/fmt/rt.rs:152:76
[INFO] [stdout]    5:     0x5c98fa0eb71a - core[6883ba1bc0fe4ed1]::fmt::write
[INFO] [stdout]    6:     0x5c98fa0da99c - std[73adb7dc35730857]::io::default_write_fmt::<alloc[55a36b64bcbf2c0d]::vec::Vec<u8>>
[INFO] [stdout]                                at /rustc/6b3fa26749ab40e159b2dd5cf577acaaf5902772/library/std/src/io/mod.rs:626:11
[INFO] [stdout]    7:     0x5c98fa0da99c - <alloc[55a36b64bcbf2c0d]::vec::Vec<u8> as std[73adb7dc35730857]::io::Write>::write_fmt
[INFO] [stdout]                                at /rustc/6b3fa26749ab40e159b2dd5cf577acaaf5902772/library/std/src/io/mod.rs:1730:13
[INFO] [stdout]    8:     0x5c98fa0b2986 - <std[73adb7dc35730857]::sys::backtrace::BacktraceLock>::print
[INFO] [stdout]                                at /rustc/6b3fa26749ab40e159b2dd5cf577acaaf5902772/library/std/src/sys/backtrace.rs:47:9
[INFO] [stdout]    9:     0x5c98fa0b2986 - std[73adb7dc35730857]::panicking::default_hook::{closure#0}
[INFO] [stdout]                                at /rustc/6b3fa26749ab40e159b2dd5cf577acaaf5902772/library/std/src/panicking.rs:292:27
[INFO] [stdout]   10:     0x5c98fa0ccd09 - std[73adb7dc35730857]::panicking::default_hook
[INFO] [stdout]                                at /rustc/6b3fa26749ab40e159b2dd5cf577acaaf5902772/library/std/src/panicking.rs:316:9
[INFO] [stdout]   11:     0x5c98f9e5fc40 - <alloc[55a36b64bcbf2c0d]::boxed::Box<dyn for<'a, 'b> core[6883ba1bc0fe4ed1]::ops::function::Fn<(&'a std[73adb7dc35730857]::panic::PanicHookInfo<'b>,), Output = ()> + core[6883ba1bc0fe4ed1]::marker::Send + core[6883ba1bc0fe4ed1]::marker::Sync> as core[6883ba1bc0fe4ed1]::ops::function::Fn<(&std[73adb7dc35730857]::panic::PanicHookInfo,)>>::call
[INFO] [stdout]                                at /rustc/6b3fa26749ab40e159b2dd5cf577acaaf5902772/library/alloc/src/boxed.rs:2333:9
[INFO] [stdout]   12:     0x5c98f9e5fc40 - test[980ffaebd391d06d]::test_main_inner::<test[980ffaebd391d06d]::test_main_static::{closure#0}>::{closure#0}
[INFO] [stdout]                                at /rustc/6b3fa26749ab40e159b2dd5cf577acaaf5902772/library/test/src/lib.rs:155:21
[INFO] [stdout]   13:     0x5c98fa0ccec2 - <alloc[55a36b64bcbf2c0d]::boxed::Box<dyn for<'a, 'b> core[6883ba1bc0fe4ed1]::ops::function::Fn<(&'a std[73adb7dc35730857]::panic::PanicHookInfo<'b>,), Output = ()> + core[6883ba1bc0fe4ed1]::marker::Send + core[6883ba1bc0fe4ed1]::marker::Sync> as core[6883ba1bc0fe4ed1]::ops::function::Fn<(&std[73adb7dc35730857]::panic::PanicHookInfo,)>>::call
[INFO] [stdout]                                at /rustc/6b3fa26749ab40e159b2dd5cf577acaaf5902772/library/alloc/src/boxed.rs:2333:9
[INFO] [stdout]   14:     0x5c98fa0ccec2 - std[73adb7dc35730857]::panicking::panic_with_hook
[INFO] [stdout]                                at /rustc/6b3fa26749ab40e159b2dd5cf577acaaf5902772/library/std/src/panicking.rs:823:13
[INFO] [stdout]   15:     0x5c98fa0b2a32 - std[73adb7dc35730857]::panicking::panic_handler::{closure#0}
[INFO] [stdout]                                at /rustc/6b3fa26749ab40e159b2dd5cf577acaaf5902772/library/std/src/panicking.rs:688:13
[INFO] [stdout]   16:     0x5c98fa0aa1d9 - std[73adb7dc35730857]::sys::backtrace::__rust_end_short_backtrace::<std[73adb7dc35730857]::panicking::panic_handler::{closure#0}, !>
[INFO] [stdout]                                at /rustc/6b3fa26749ab40e159b2dd5cf577acaaf5902772/library/std/src/sys/backtrace.rs:182:18
[INFO] [stdout]   17:     0x5c98fa0b362d - __rustc[a7b7b02e776dd976]::rust_begin_unwind
[INFO] [stdout]                                at /rustc/6b3fa26749ab40e159b2dd5cf577acaaf5902772/library/std/src/panicking.rs:679:5
[INFO] [stdout]   18:     0x5c98fa0ebf9c - core[6883ba1bc0fe4ed1]::panicking::panic_fmt
[INFO] [stdout]                                at /rustc/6b3fa26749ab40e159b2dd5cf577acaaf5902772/library/core/src/panicking.rs:80:14
[INFO] [stdout]   19:     0x5c98fa03b8b8 - core[6883ba1bc0fe4ed1]::panicking::panic_display::<assert_cmd[35418449b5f7a4b8]::assert::AssertError>
[INFO] [stdout]                                at /rustc/6b3fa26749ab40e159b2dd5cf577acaaf5902772/library/core/src/panicking.rs:259:5
[INFO] [stdout]   20:     0x5c98fa0426c7 - <assert_cmd[35418449b5f7a4b8]::assert::AssertError>::panic::<assert_cmd[35418449b5f7a4b8]::assert::Assert>
[INFO] [stdout]                                at /opt/rustwide/cargo-home/registry/src/index.crates.io-1949cf8c6b5b557f/assert_cmd-2.0.11/src/assert.rs:1033:9
[INFO] [stdout]   21:     0x5c98fa038947 - <<assert_cmd[35418449b5f7a4b8]::assert::AssertError>::panic<assert_cmd[35418449b5f7a4b8]::assert::Assert> as core[6883ba1bc0fe4ed1]::ops::function::FnOnce<(assert_cmd[35418449b5f7a4b8]::assert::AssertError,)>>::call_once
[INFO] [stdout]                                at /rustc/6b3fa26749ab40e159b2dd5cf577acaaf5902772/library/core/src/ops/function.rs:250:5
[INFO] [stdout]   22:     0x5c98fa041dfb - <core[6883ba1bc0fe4ed1]::result::Result<assert_cmd[35418449b5f7a4b8]::assert::Assert, assert_cmd[35418449b5f7a4b8]::assert::AssertError>>::unwrap_or_else::<<assert_cmd[35418449b5f7a4b8]::assert::AssertError>::panic<assert_cmd[35418449b5f7a4b8]::assert::Assert>>
[INFO] [stdout]                                at /rustc/6b3fa26749ab40e159b2dd5cf577acaaf5902772/library/core/src/result.rs:1620:23
[INFO] [stdout]   23:     0x5c98fa0442a0 - <assert_cmd[35418449b5f7a4b8]::assert::Assert>::success
[INFO] [stdout]                                at /opt/rustwide/cargo-home/registry/src/index.crates.io-1949cf8c6b5b557f/assert_cmd-2.0.11/src/assert.rs:158:28
[INFO] [stdout]   24:     0x5c98f9e4c073 - lib[ef69c164f1f8dd99]::head::run
[INFO] [stdout]                                at /opt/rustwide/workdir/tests/head/mod.rs:105:10
[INFO] [stdout]   25:     0x5c98f9e4db6e - lib[ef69c164f1f8dd99]::head::multiple_files_c4
[INFO] [stdout]                                at /opt/rustwide/workdir/tests/head/mod.rs:416:5
[INFO] [stdout]   26:     0x5c98f9e47997 - lib[ef69c164f1f8dd99]::head::multiple_files_c4::{closure#0}
[INFO] [stdout]                                at /opt/rustwide/workdir/tests/head/mod.rs:415:27
[INFO] [stdout]   27:     0x5c98f9e52456 - <lib[ef69c164f1f8dd99]::head::multiple_files_c4::{closure#0} as core[6883ba1bc0fe4ed1]::ops::function::FnOnce<()>>::call_once
[INFO] [stdout]                                at /rustc/6b3fa26749ab40e159b2dd5cf577acaaf5902772/library/core/src/ops/function.rs:250:5
[INFO] [stdout]   28:     0x5c98f9e52f7b - <fn() -> core[6883ba1bc0fe4ed1]::result::Result<(), alloc[55a36b64bcbf2c0d]::string::String> as core[6883ba1bc0fe4ed1]::ops::function::FnOnce<()>>::call_once
[INFO] [stdout]                                at /rustc/6b3fa26749ab40e159b2dd5cf577acaaf5902772/library/core/src/ops/function.rs:250:5
[INFO] [stdout]   29:     0x5c98f9e52f7b - test[980ffaebd391d06d]::__rust_begin_short_backtrace::<core[6883ba1bc0fe4ed1]::result::Result<(), alloc[55a36b64bcbf2c0d]::string::String>, fn() -> core[6883ba1bc0fe4ed1]::result::Result<(), alloc[55a36b64bcbf2c0d]::string::String>>
[INFO] [stdout]                                at /rustc/6b3fa26749ab40e159b2dd5cf577acaaf5902772/library/test/src/lib.rs:724:18
[INFO] [stdout]   30:     0x5c98f9e605c5 - test[980ffaebd391d06d]::run_test_in_process::{closure#0}
[INFO] [stdout]                                at /rustc/6b3fa26749ab40e159b2dd5cf577acaaf5902772/library/test/src/lib.rs:747:74
[INFO] [stdout]   31:     0x5c98f9e605c5 - <core[6883ba1bc0fe4ed1]::panic::unwind_safe::AssertUnwindSafe<test[980ffaebd391d06d]::run_test_in_process::{closure#0}> as core[6883ba1bc0fe4ed1]::ops::function::FnOnce<()>>::call_once
[INFO] [stdout]                                at /rustc/6b3fa26749ab40e159b2dd5cf577acaaf5902772/library/core/src/panic/unwind_safe.rs:275:9
[INFO] [stdout]   32:     0x5c98f9e605c5 - std[73adb7dc35730857]::panicking::catch_unwind::do_call::<core[6883ba1bc0fe4ed1]::panic::unwind_safe::AssertUnwindSafe<test[980ffaebd391d06d]::run_test_in_process::{closure#0}>, core[6883ba1bc0fe4ed1]::result::Result<(), alloc[55a36b64bcbf2c0d]::string::String>>
[INFO] [stdout]                                at /rustc/6b3fa26749ab40e159b2dd5cf577acaaf5902772/library/std/src/panicking.rs:576:43
[INFO] [stdout]   33:     0x5c98f9e605c5 - std[73adb7dc35730857]::panicking::catch_unwind::<core[6883ba1bc0fe4ed1]::result::Result<(), alloc[55a36b64bcbf2c0d]::string::String>, core[6883ba1bc0fe4ed1]::panic::unwind_safe::AssertUnwindSafe<test[980ffaebd391d06d]::run_test_in_process::{closure#0}>>
[INFO] [stdout]                                at /rustc/6b3fa26749ab40e159b2dd5cf577acaaf5902772/library/std/src/panicking.rs:544:19
[INFO] [stdout]   34:     0x5c98f9e605c5 - std[73adb7dc35730857]::panic::catch_unwind::<core[6883ba1bc0fe4ed1]::panic::unwind_safe::AssertUnwindSafe<test[980ffaebd391d06d]::run_test_in_process::{closure#0}>, core[6883ba1bc0fe4ed1]::result::Result<(), alloc[55a36b64bcbf2c0d]::string::String>>
[INFO] [stdout]                                at /rustc/6b3fa26749ab40e159b2dd5cf577acaaf5902772/library/std/src/panic.rs:359:14
[INFO] [stdout]   35:     0x5c98f9e605c5 - test[980ffaebd391d06d]::run_test_in_process
[INFO] [stdout]                                at /rustc/6b3fa26749ab40e159b2dd5cf577acaaf5902772/library/test/src/lib.rs:747:27
[INFO] [stdout]   36:     0x5c98f9e605c5 - test[980ffaebd391d06d]::run_test::{closure#0}
[INFO] [stdout]                                at /rustc/6b3fa26749ab40e159b2dd5cf577acaaf5902772/library/test/src/lib.rs:668:43
[INFO] [stdout]   37:     0x5c98f9e5b074 - test[980ffaebd391d06d]::run_test::{closure#1}
[INFO] [stdout]                                at /rustc/6b3fa26749ab40e159b2dd5cf577acaaf5902772/library/test/src/lib.rs:698:41
[INFO] [stdout]   38:     0x5c98f9e5b074 - std[73adb7dc35730857]::sys::backtrace::__rust_begin_short_backtrace::<test[980ffaebd391d06d]::run_test::{closure#1}, ()>
[INFO] [stdout]                                at /rustc/6b3fa26749ab40e159b2dd5cf577acaaf5902772/library/std/src/sys/backtrace.rs:166:18
[INFO] [stdout]   39:     0x5c98f9e63712 - std[73adb7dc35730857]::thread::lifecycle::spawn_unchecked::<test[980ffaebd391d06d]::run_test::{closure#1}, ()>::{closure#1}::{closure#0}
[INFO] [stdout]                                at /rustc/6b3fa26749ab40e159b2dd5cf577acaaf5902772/library/std/src/thread/lifecycle.rs:70:13
[INFO] [stdout]   40:     0x5c98f9e63712 - <core[6883ba1bc0fe4ed1]::panic::unwind_safe::AssertUnwindSafe<std[73adb7dc35730857]::thread::lifecycle::spawn_unchecked<test[980ffaebd391d06d]::run_test::{closure#1}, ()>::{closure#1}::{closure#0}> as core[6883ba1bc0fe4ed1]::ops::function::FnOnce<()>>::call_once
[INFO] [stdout]                                at /rustc/6b3fa26749ab40e159b2dd5cf577acaaf5902772/library/core/src/panic/unwind_safe.rs:275:9
[INFO] [stdout]   41:     0x5c98f9e63712 - std[73adb7dc35730857]::panicking::catch_unwind::do_call::<core[6883ba1bc0fe4ed1]::panic::unwind_safe::AssertUnwindSafe<std[73adb7dc35730857]::thread::lifecycle::spawn_unchecked<test[980ffaebd391d06d]::run_test::{closure#1}, ()>::{closure#1}::{closure#0}>, ()>
[INFO] [stdout]                                at /rustc/6b3fa26749ab40e159b2dd5cf577acaaf5902772/library/std/src/panicking.rs:576:43
[INFO] [stdout]   42:     0x5c98f9e63712 - std[73adb7dc35730857]::panicking::catch_unwind::<(), core[6883ba1bc0fe4ed1]::panic::unwind_safe::AssertUnwindSafe<std[73adb7dc35730857]::thread::lifecycle::spawn_unchecked<test[980ffaebd391d06d]::run_test::{closure#1}, ()>::{closure#1}::{closure#0}>>
[INFO] [stdout]                                at /rustc/6b3fa26749ab40e159b2dd5cf577acaaf5902772/library/std/src/panicking.rs:544:19
[INFO] [stdout]   43:     0x5c98f9e63712 - std[73adb7dc35730857]::panic::catch_unwind::<core[6883ba1bc0fe4ed1]::panic::unwind_safe::AssertUnwindSafe<std[73adb7dc35730857]::thread::lifecycle::spawn_unchecked<test[980ffaebd391d06d]::run_test::{closure#1}, ()>::{closure#1}::{closure#0}>, ()>
[INFO] [stdout]                                at /rustc/6b3fa26749ab40e159b2dd5cf577acaaf5902772/library/std/src/panic.rs:359:14
[INFO] [stdout]   44:     0x5c98f9e63712 - std[73adb7dc35730857]::thread::lifecycle::spawn_unchecked::<test[980ffaebd391d06d]::run_test::{closure#1}, ()>::{closure#1}
[INFO] [stdout]                                at /rustc/6b3fa26749ab40e159b2dd5cf577acaaf5902772/library/std/src/thread/lifecycle.rs:68:26
[INFO] [stdout]   45:     0x5c98f9e63712 - <std[73adb7dc35730857]::thread::lifecycle::spawn_unchecked<test[980ffaebd391d06d]::run_test::{closure#1}, ()>::{closure#1} as core[6883ba1bc0fe4ed1]::ops::function::FnOnce<()>>::call_once::{shim:vtable#0}
[INFO] [stdout]                                at /rustc/6b3fa26749ab40e159b2dd5cf577acaaf5902772/library/core/src/ops/function.rs:250:5
[INFO] [stdout]   46:     0x5c98fa0d44af - <alloc[55a36b64bcbf2c0d]::boxed::Box<dyn core[6883ba1bc0fe4ed1]::ops::function::FnOnce<(), Output = ()> + core[6883ba1bc0fe4ed1]::marker::Send> as core[6883ba1bc0fe4ed1]::ops::function::FnOnce<()>>::call_once
[INFO] [stdout]                                at /rustc/6b3fa26749ab40e159b2dd5cf577acaaf5902772/library/alloc/src/boxed.rs:2319:9
[INFO] [stdout]   47:     0x5c98fa0d44af - <std[73adb7dc35730857]::sys::thread::unix::Thread>::new::thread_start
[INFO] [stdout]                                at /rustc/6b3fa26749ab40e159b2dd5cf577acaaf5902772/library/std/src/sys/thread/unix.rs:123:17
[INFO] [stdout]   48:     0x718092357aa4 - <unknown>
[INFO] [stdout]   49:     0x7180923e4a64 - clone
[INFO] [stdout]   50:                0x0 - <unknown>
[INFO] [stdout] 
[INFO] [stdout] ---- head::one_c2_stdin stdout ----
[INFO] [stdout] 
[INFO] [stdout] thread 'head::one_c2_stdin' (3183) panicked at /rustc/6b3fa26749ab40e159b2dd5cf577acaaf5902772/library/core/src/ops/function.rs:250:5:
[INFO] [stdout] Unexpected stdout, failed var == [
[INFO] [stdout]     195,
[INFO] [stdout]     150,
[INFO] [stdout] ]
[INFO] [stdout] └── var: []
[INFO] [stdout] 
[INFO] [stdout] command=`"/opt/rustwide/target/debug/head" "-c" "2"`
[INFO] [stdout] stdin=`"Öne line, four words.\n"`
[INFO] [stdout] code=101
[INFO] [stdout] stdout=""
[INFO] [stdout] stderr=<90 lines total>
[INFO] [stdout] ```
[INFO] [stdout] 
[INFO] [stdout] thread \'main\' (3194) panicked at /opt/rustwide/cargo-home/registry/src/index.crates.io-1949cf8c6b5b557f/clap-3.2.25/src/parser/matches/arg_matches.rs:547:22:
[INFO] [stdout] Must use `Arg::allow_invalid_utf8` with `_os` lookups at `files`
[INFO] [stdout] stack backtrace:
[INFO] [stdout]    0:     0x55606105a601 - std[73adb7dc35730857]::backtrace_rs::backtrace::libunwind::trace
[INFO] [stdout]                                at /rustc/6b3fa26749ab40e159b2dd5cf577acaaf5902772/library/std/src/../../backtrace/src/backtrace/libunwind.rs:117:9
[INFO] [stdout]    1:     0x55606105a601 - std[73adb7dc35730857]::backtrace_rs::backtrace::trace_unsynchronized::<std[73adb7dc35730857]::sys::backtrace::_print_fmt::{closure#1}>
[INFO] [stdout]                                at /rustc/6b3fa26749ab40e159b2dd5cf577acaaf5902772/library/std/src/../../backtrace/src/backtrace/mod.rs:66:14
[INFO] [stdout]    2:     0x55606105a601 - std[73adb7dc35730857]::sys::backtrace::_print_fmt
[INFO] [stdout]                                at /rustc/6b3fa26749ab40e159b2dd5cf577acaaf5902772/library/std/src/sys/backtrace.rs:74:9
[INFO] [stdout]    3:     0x55606105a601 - <<std[73adb7dc35730857]::sys::backtrace::BacktraceLock>::print::DisplayBacktrace as core[6883ba1bc0fe4ed1]::fmt::Display>::fmt
[INFO] [stdout]                                at /rustc/6b3fa26749ab40e159b2dd5cf577acaaf5902772/library/std/src/sys/backtrace.rs:44:26
[INFO] [stdout]    4:     0x55606106e28a - <core[6883ba1bc0fe4ed1]::fmt::rt::Argument>::fmt
[INFO] [stdout]                                at /rustc/6b3fa26749ab40e159b2dd5cf577acaaf5902772/library/core/src/fmt/rt.rs:152:76
[INFO] [stdout]    5:     0x55606106e28a - core[6883ba1bc0fe4ed1]::fmt::write
[INFO] [stdout]    6:     0x55606105fcec - std[73adb7dc35730857]::io::default_write_fmt::<std[73adb7dc35730857]::sys::stdio::unix::Stderr>
[INFO] [stdout]                                at /rustc/6b3fa26749ab40e159b2dd5cf577acaaf5902772/library/std/src/io/mod.rs:626:11
[INFO] [stdout]    7:     0x55606105fcec - <std[73adb7dc35730857]::sys::stdio::unix::Stderr as std[73adb7dc35730857]::io::Write>::write_fmt
[INFO] [stdout]                                at /rustc/6b3fa26749ab40e159b2dd5cf577acaaf5902772/library/std/src/io/mod.rs:1730:13
[INFO] [stdout]    8:     0x556061044e16 - <std[73adb7dc35730857]::sys::backtrace::BacktraceLock>::print
[INFO] [stdout] ```
[INFO] [stdout] <30 lines omitted>
[INFO] [stdout] ```
[INFO] [stdout]                                at /rustc/6b3fa26749ab40e159b2dd5cf577acaaf5902772/library/alloc/src/vec/mod.rs:3941:9
[INFO] [stdout]   24:     0x556060ef408e - <core[6883ba1bc0fe4ed1]::iter::adapters::map::Map<core[6883ba1bc0fe4ed1]::iter::adapters::flatten::Flatten<core[6883ba1bc0fe4ed1]::slice::iter::Iter<alloc[55a36b64bcbf2c0d]::vec::Vec<clap[965b0170b9d3cf34]::parser::matches::any_value::AnyValue>>>, <clap[965b0170b9d3cf34]::parser::matches::arg_matches::ArgMatches>::values_of_lossy<&str>::{closure#0}> as core[6883ba1bc0fe4ed1]::iter::traits::iterator::Iterator>::collect::<alloc[55a36b64bcbf2c0d]::vec::Vec<alloc[55a36b64bcbf2c0d]::string::String>>
[INFO] [stdout]                                at /rustc/6b3fa26749ab40e159b2dd5cf577acaaf5902772/library/core/src/iter/traits/iterator.rs:2090:9
[INFO] [stdout]   25:     0x556060eee166 - <clap[965b0170b9d3cf34]::parser::matches::arg_matches::ArgMatches>::values_of_lossy::<&str>
[INFO] [stdout]                                at /opt/rustwide/cargo-home/registry/src/index.crates.io-1949cf8c6b5b557f/clap-3.2.25/src/parser/matches/arg_matches.rs:548:14
[INFO] [stdout]   26:     0x556060ef818b - command_line_rust[2a7d65b3375657d0]::head::get_args
[INFO] [stdout]                                at /opt/rustwide/workdir/src/head/mod.rs:92:24
[INFO] [stdout]   27:     0x556060eedad2 - head[5f62c2f9cff836a0]::main
[INFO] [stdout]                                at /opt/rustwide/workdir/src/head/main.rs:4:21
[INFO] [stdout]   28:     0x556060eedbeb - <fn() as core[6883ba1bc0fe4ed1]::ops::function::FnOnce<()>>::call_once
[INFO] [stdout]                                at /rustc/6b3fa26749ab40e159b2dd5cf577acaaf5902772/library/core/src/ops/function.rs:250:5
[INFO] [stdout]   29:     0x556060eeda5e - std[73adb7dc35730857]::sys::backtrace::__rust_begin_short_backtrace::<fn(), ()>
[INFO] [stdout]                                at /rustc/6b3fa26749ab40e159b2dd5cf577acaaf5902772/library/std/src/sys/backtrace.rs:166:18
[INFO] [stdout]   30:     0x556060eeda81 - std[73adb7dc35730857]::rt::lang_start::<()>::{closure#0}
[INFO] [stdout]                                at /rustc/6b3fa26749ab40e159b2dd5cf577acaaf5902772/library/std/src/rt.rs:206:18
[INFO] [stdout]   31:     0x556061055547 - <&dyn core[6883ba1bc0fe4ed1]::ops::function::Fn<(), Output = i32> + core[6883ba1bc0fe4ed1]::panic::unwind_safe::RefUnwindSafe + core[6883ba1bc0fe4ed1]::marker::Sync as core[6883ba1bc0fe4ed1]::ops::function::FnOnce<()>>::call_once
[INFO] [stdout]                                at /rustc/6b3fa26749ab40e159b2dd5cf577acaaf5902772/library/core/src/ops/function.rs:287:21
[INFO] [stdout]   32:     0x556061055547 - std[73adb7dc35730857]::panicking::catch_unwind::do_call::<&dyn core[6883ba1bc0fe4ed1]::ops::function::Fn<(), Output = i32> + core[6883ba1bc0fe4ed1]::panic::unwind_safe::RefUnwindSafe + core[6883ba1bc0fe4ed1]::marker::Sync, i32>
[INFO] [stdout]                                at /rustc/6b3fa26749ab40e159b2dd5cf577acaaf5902772/library/std/src/panicking.rs:576:43
[INFO] [stdout]   33:     0x556061055547 - std[73adb7dc35730857]::panicking::catch_unwind::<i32, &dyn core[6883ba1bc0fe4ed1]::ops::function::Fn<(), Output = i32> + core[6883ba1bc0fe4ed1]::panic::unwind_safe::RefUnwindSafe + core[6883ba1bc0fe4ed1]::marker::Sync>
[INFO] [stdout]                                at /rustc/6b3fa26749ab40e159b2dd5cf577acaaf5902772/library/std/src/panicking.rs:544:19
[INFO] [stdout]   34:     0x556061055547 - std[73adb7dc35730857]::panic::catch_unwind::<&dyn core[6883ba1bc0fe4ed1]::ops::function::Fn<(), Output = i32> + core[6883ba1bc0fe4ed1]::panic::unwind_safe::RefUnwindSafe + core[6883ba1bc0fe4ed1]::marker::Sync, i32>
[INFO] [stdout]                                at /rustc/6b3fa26749ab40e159b2dd5cf577acaaf5902772/library/std/src/panic.rs:359:14
[INFO] [stdout]   35:     0x556061055547 - std[73adb7dc35730857]::rt::lang_start_internal::{closure#0}
[INFO] [stdout]                                at /rustc/6b3fa26749ab40e159b2dd5cf577acaaf5902772/library/std/src/rt.rs:175:24
[INFO] [stdout]   36:     0x556061055547 - std[73adb7dc35730857]::panicking::catch_unwind::do_call::<std[73adb7dc35730857]::rt::lang_start_internal::{closure#0}, isize>
[INFO] [stdout]                                at /rustc/6b3fa26749ab40e159b2dd5cf577acaaf5902772/library/std/src/panicking.rs:576:43
[INFO] [stdout]   37:     0x556061055547 - std[73adb7dc35730857]::panicking::catch_unwind::<isize, std[73adb7dc35730857]::rt::lang_start_internal::{closure#0}>
[INFO] [stdout]                                at /rustc/6b3fa26749ab40e159b2dd5cf577acaaf5902772/library/std/src/panicking.rs:544:19
[INFO] [stdout]   38:     0x556061055547 - std[73adb7dc35730857]::panic::catch_unwind::<std[73adb7dc35730857]::rt::lang_start_internal::{closure#0}, isize>
[INFO] [stdout]                                at /rustc/6b3fa26749ab40e159b2dd5cf577acaaf5902772/library/std/src/panic.rs:359:14
[INFO] [stdout]   39:     0x556061055547 - std[73adb7dc35730857]::rt::lang_start_internal
[INFO] [stdout]                                at /rustc/6b3fa26749ab40e159b2dd5cf577acaaf5902772/library/std/src/rt.rs:171:5
[INFO] [stdout]   40:     0x556060eeda47 - std[73adb7dc35730857]::rt::lang_start::<()>
[INFO] [stdout]                                at /rustc/6b3fa26749ab40e159b2dd5cf577acaaf5902772/library/std/src/rt.rs:205:5
[INFO] [stdout]   41:     0x556060eedc7e - main
[INFO] [stdout]   42:     0x7b80c020c1ca - <unknown>
[INFO] [stdout]   43:     0x7b80c020c28b - __libc_start_main
[INFO] [stdout]   44:     0x556060eed8a5 - _start
[INFO] [stdout]   45:                0x0 - <unknown>
[INFO] [stdout] ```
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] stack backtrace:
[INFO] [stdout]    0:     0x5c98fa0d5011 - std[73adb7dc35730857]::backtrace_rs::backtrace::libunwind::trace
[INFO] [stdout]                                at /rustc/6b3fa26749ab40e159b2dd5cf577acaaf5902772/library/std/src/../../backtrace/src/backtrace/libunwind.rs:117:9
[INFO] [stdout]    1:     0x5c98fa0d5011 - std[73adb7dc35730857]::backtrace_rs::backtrace::trace_unsynchronized::<std[73adb7dc35730857]::sys::backtrace::_print_fmt::{closure#1}>
[INFO] [stdout]                                at /rustc/6b3fa26749ab40e159b2dd5cf577acaaf5902772/library/std/src/../../backtrace/src/backtrace/mod.rs:66:14
[INFO] [stdout]    2:     0x5c98fa0d5011 - std[73adb7dc35730857]::sys::backtrace::_print_fmt
[INFO] [stdout]                                at /rustc/6b3fa26749ab40e159b2dd5cf577acaaf5902772/library/std/src/sys/backtrace.rs:74:9
[INFO] [stdout]    3:     0x5c98fa0d5011 - <<std[73adb7dc35730857]::sys::backtrace::BacktraceLock>::print::DisplayBacktrace as core[6883ba1bc0fe4ed1]::fmt::Display>::fmt
[INFO] [stdout]                                at /rustc/6b3fa26749ab40e159b2dd5cf577acaaf5902772/library/std/src/sys/backtrace.rs:44:26
[INFO] [stdout]    4:     0x5c98fa0eb71a - <core[6883ba1bc0fe4ed1]::fmt::rt::Argument>::fmt
[INFO] [stdout]                                at /rustc/6b3fa26749ab40e159b2dd5cf577acaaf5902772/library/core/src/fmt/rt.rs:152:76
[INFO] [stdout]    5:     0x5c98fa0eb71a - core[6883ba1bc0fe4ed1]::fmt::write
[INFO] [stdout]    6:     0x5c98fa0da99c - std[73adb7dc35730857]::io::default_write_fmt::<alloc[55a36b64bcbf2c0d]::vec::Vec<u8>>
[INFO] [stdout]                                at /rustc/6b3fa26749ab40e159b2dd5cf577acaaf5902772/library/std/src/io/mod.rs:626:11
[INFO] [stdout]    7:     0x5c98fa0da99c - <alloc[55a36b64bcbf2c0d]::vec::Vec<u8> as std[73adb7dc35730857]::io::Write>::write_fmt
[INFO] [stdout]                                at /rustc/6b3fa26749ab40e159b2dd5cf577acaaf5902772/library/std/src/io/mod.rs:1730:13
[INFO] [stdout]    8:     0x5c98fa0b2986 - <std[73adb7dc35730857]::sys::backtrace::BacktraceLock>::print
[INFO] [stdout]                                at /rustc/6b3fa26749ab40e159b2dd5cf577acaaf5902772/library/std/src/sys/backtrace.rs:47:9
[INFO] [stdout]    9:     0x5c98fa0b2986 - std[73adb7dc35730857]::panicking::default_hook::{closure#0}
[INFO] [stdout]                                at /rustc/6b3fa26749ab40e159b2dd5cf577acaaf5902772/library/std/src/panicking.rs:292:27
[INFO] [stdout]   10:     0x5c98fa0ccd09 - std[73adb7dc35730857]::panicking::default_hook
[INFO] [stdout]                                at /rustc/6b3fa26749ab40e159b2dd5cf577acaaf5902772/library/std/src/panicking.rs:316:9
[INFO] [stdout]   11:     0x5c98f9e5fc40 - <alloc[55a36b64bcbf2c0d]::boxed::Box<dyn for<'a, 'b> core[6883ba1bc0fe4ed1]::ops::function::Fn<(&'a std[73adb7dc35730857]::panic::PanicHookInfo<'b>,), Output = ()> + core[6883ba1bc0fe4ed1]::marker::Send + core[6883ba1bc0fe4ed1]::marker::Sync> as core[6883ba1bc0fe4ed1]::ops::function::Fn<(&std[73adb7dc35730857]::panic::PanicHookInfo,)>>::call
[INFO] [stdout]                                at /rustc/6b3fa26749ab40e159b2dd5cf577acaaf5902772/library/alloc/src/boxed.rs:2333:9
[INFO] [stdout]   12:     0x5c98f9e5fc40 - test[980ffaebd391d06d]::test_main_inner::<test[980ffaebd391d06d]::test_main_static::{closure#0}>::{closure#0}
[INFO] [stdout]                                at /rustc/6b3fa26749ab40e159b2dd5cf577acaaf5902772/library/test/src/lib.rs:155:21
[INFO] [stdout]   13:     0x5c98fa0ccec2 - <alloc[55a36b64bcbf2c0d]::boxed::Box<dyn for<'a, 'b> core[6883ba1bc0fe4ed1]::ops::function::Fn<(&'a std[73adb7dc35730857]::panic::PanicHookInfo<'b>,), Output = ()> + core[6883ba1bc0fe4ed1]::marker::Send + core[6883ba1bc0fe4ed1]::marker::Sync> as core[6883ba1bc0fe4ed1]::ops::function::Fn<(&std[73adb7dc35730857]::panic::PanicHookInfo,)>>::call
[INFO] [stdout]                                at /rustc/6b3fa26749ab40e159b2dd5cf577acaaf5902772/library/alloc/src/boxed.rs:2333:9
[INFO] [stdout]   14:     0x5c98fa0ccec2 - std[73adb7dc35730857]::panicking::panic_with_hook
[INFO] [stdout]                                at /rustc/6b3fa26749ab40e159b2dd5cf577acaaf5902772/library/std/src/panicking.rs:823:13
[INFO] [stdout]   15:     0x5c98fa0b2a32 - std[73adb7dc35730857]::panicking::panic_handler::{closure#0}
[INFO] [stdout]                                at /rustc/6b3fa26749ab40e159b2dd5cf577acaaf5902772/library/std/src/panicking.rs:688:13
[INFO] [stdout]   16:     0x5c98fa0aa1d9 - std[73adb7dc35730857]::sys::backtrace::__rust_end_short_backtrace::<std[73adb7dc35730857]::panicking::panic_handler::{closure#0}, !>
[INFO] [stdout]                                at /rustc/6b3fa26749ab40e159b2dd5cf577acaaf5902772/library/std/src/sys/backtrace.rs:182:18
[INFO] [stdout]   17:     0x5c98fa0b362d - __rustc[a7b7b02e776dd976]::rust_begin_unwind
[INFO] [stdout]                                at /rustc/6b3fa26749ab40e159b2dd5cf577acaaf5902772/library/std/src/panicking.rs:679:5
[INFO] [stdout]   18:     0x5c98fa0ebf9c - core[6883ba1bc0fe4ed1]::panicking::panic_fmt
[INFO] [stdout]                                at /rustc/6b3fa26749ab40e159b2dd5cf577acaaf5902772/library/core/src/panicking.rs:80:14
[INFO] [stdout]   19:     0x5c98fa03b8b8 - core[6883ba1bc0fe4ed1]::panicking::panic_display::<assert_cmd[35418449b5f7a4b8]::assert::AssertError>
[INFO] [stdout]                                at /rustc/6b3fa26749ab40e159b2dd5cf577acaaf5902772/library/core/src/panicking.rs:259:5
[INFO] [stdout]   20:     0x5c98fa0426c7 - <assert_cmd[35418449b5f7a4b8]::assert::AssertError>::panic::<assert_cmd[35418449b5f7a4b8]::assert::Assert>
[INFO] [stdout]                                at /opt/rustwide/cargo-home/registry/src/index.crates.io-1949cf8c6b5b557f/assert_cmd-2.0.11/src/assert.rs:1033:9
[INFO] [stdout]   21:     0x5c98fa038947 - <<assert_cmd[35418449b5f7a4b8]::assert::AssertError>::panic<assert_cmd[35418449b5f7a4b8]::assert::Assert> as core[6883ba1bc0fe4ed1]::ops::function::FnOnce<(assert_cmd[35418449b5f7a4b8]::assert::AssertError,)>>::call_once
[INFO] [stdout]                                at /rustc/6b3fa26749ab40e159b2dd5cf577acaaf5902772/library/core/src/ops/function.rs:250:5
[INFO] [stdout]   22:     0x5c98fa041dfb - <core[6883ba1bc0fe4ed1]::result::Result<assert_cmd[35418449b5f7a4b8]::assert::Assert, assert_cmd[35418449b5f7a4b8]::assert::AssertError>>::unwrap_or_else::<<assert_cmd[35418449b5f7a4b8]::assert::AssertError>::panic<assert_cmd[35418449b5f7a4b8]::assert::Assert>>
[INFO] [stdout]                                at /rustc/6b3fa26749ab40e159b2dd5cf577acaaf5902772/library/core/src/result.rs:1620:23
[INFO] [stdout]   23:     0x5c98f9e45014 - <assert_cmd[35418449b5f7a4b8]::assert::Assert>::stdout::<predicates[32cee55fc2d5e3e6]::ord::EqPredicate<&[u8]>, predicates[32cee55fc2d5e3e6]::ord::EqPredicate<&[u8]>>
[INFO] [stdout]                                at /opt/rustwide/cargo-home/registry/src/index.crates.io-1949cf8c6b5b557f/assert_cmd-2.0.11/src/assert.rs:364:31
[INFO] [stdout]   24:     0x5c98f9e4c803 - lib[ef69c164f1f8dd99]::head::run_stdin
[INFO] [stdout]                                at /opt/rustwide/workdir/tests/head/mod.rs:124:10
[INFO] [stdout]   25:     0x5c98f9e4ca0b - lib[ef69c164f1f8dd99]::head::one_c2_stdin
[INFO] [stdout]                                at /opt/rustwide/workdir/tests/head/mod.rs:212:5
[INFO] [stdout]   26:     0x5c98f9e47577 - lib[ef69c164f1f8dd99]::head::one_c2_stdin::{closure#0}
[INFO] [stdout]                                at /opt/rustwide/workdir/tests/head/mod.rs:211:22
[INFO] [stdout]   27:     0x5c98f9e51ed6 - <lib[ef69c164f1f8dd99]::head::one_c2_stdin::{closure#0} as core[6883ba1bc0fe4ed1]::ops::function::FnOnce<()>>::call_once
[INFO] [stdout]                                at /rustc/6b3fa26749ab40e159b2dd5cf577acaaf5902772/library/core/src/ops/function.rs:250:5
[INFO] [stdout]   28:     0x5c98f9e52f7b - <fn() -> core[6883ba1bc0fe4ed1]::result::Result<(), alloc[55a36b64bcbf2c0d]::string::String> as core[6883ba1bc0fe4ed1]::ops::function::FnOnce<()>>::call_once
[INFO] [stdout]                                at /rustc/6b3fa26749ab40e159b2dd5cf577acaaf5902772/library/core/src/ops/function.rs:250:5
[INFO] [stdout]   29:     0x5c98f9e52f7b - test[980ffaebd391d06d]::__rust_begin_short_backtrace::<core[6883ba1bc0fe4ed1]::result::Result<(), alloc[55a36b64bcbf2c0d]::string::String>, fn() -> core[6883ba1bc0fe4ed1]::result::Result<(), alloc[55a36b64bcbf2c0d]::string::String>>
[INFO] [stdout]                                at /rustc/6b3fa26749ab40e159b2dd5cf577acaaf5902772/library/test/src/lib.rs:724:18
[INFO] [stdout]   30:     0x5c98f9e605c5 - test[980ffaebd391d06d]::run_test_in_process::{closure#0}
[INFO] [stdout]                                at /rustc/6b3fa26749ab40e159b2dd5cf577acaaf5902772/library/test/src/lib.rs:747:74
[INFO] [stdout]   31:     0x5c98f9e605c5 - <core[6883ba1bc0fe4ed1]::panic::unwind_safe::AssertUnwindSafe<test[980ffaebd391d06d]::run_test_in_process::{closure#0}> as core[6883ba1bc0fe4ed1]::ops::function::FnOnce<()>>::call_once
[INFO] [stdout]                                at /rustc/6b3fa26749ab40e159b2dd5cf577acaaf5902772/library/core/src/panic/unwind_safe.rs:275:9
[INFO] [stdout]   32:     0x5c98f9e605c5 - std[73adb7dc35730857]::panicking::catch_unwind::do_call::<core[6883ba1bc0fe4ed1]::panic::unwind_safe::AssertUnwindSafe<test[980ffaebd391d06d]::run_test_in_process::{closure#0}>, core[6883ba1bc0fe4ed1]::result::Result<(), alloc[55a36b64bcbf2c0d]::string::String>>
[INFO] [stdout]                                at /rustc/6b3fa26749ab40e159b2dd5cf577acaaf5902772/library/std/src/panicking.rs:576:43
[INFO] [stdout]   33:     0x5c98f9e605c5 - std[73adb7dc35730857]::panicking::catch_unwind::<core[6883ba1bc0fe4ed1]::result::Result<(), alloc[55a36b64bcbf2c0d]::string::String>, core[6883ba1bc0fe4ed1]::panic::unwind_safe::AssertUnwindSafe<test[980ffaebd391d06d]::run_test_in_process::{closure#0}>>
[INFO] [stdout]                                at /rustc/6b3fa26749ab40e159b2dd5cf577acaaf5902772/library/std/src/panicking.rs:544:19
[INFO] [stdout]   34:     0x5c98f9e605c5 - std[73adb7dc35730857]::panic::catch_unwind::<core[6883ba1bc0fe4ed1]::panic::unwind_safe::AssertUnwindSafe<test[980ffaebd391d06d]::run_test_in_process::{closure#0}>, core[6883ba1bc0fe4ed1]::result::Result<(), alloc[55a36b64bcbf2c0d]::string::String>>
[INFO] [stdout]                                at /rustc/6b3fa26749ab40e159b2dd5cf577acaaf5902772/library/std/src/panic.rs:359:14
[INFO] [stdout]   35:     0x5c98f9e605c5 - test[980ffaebd391d06d]::run_test_in_process
[INFO] [stdout]                                at /rustc/6b3fa26749ab40e159b2dd5cf577acaaf5902772/library/test/src/lib.rs:747:27
[INFO] [stdout]   36:     0x5c98f9e605c5 - test[980ffaebd391d06d]::run_test::{closure#0}
[INFO] [stdout]                                at /rustc/6b3fa26749ab40e159b2dd5cf577acaaf5902772/library/test/src/lib.rs:668:43
[INFO] [stdout]   37:     0x5c98f9e5b074 - test[980ffaebd391d06d]::run_test::{closure#1}
[INFO] [stdout]                                at /rustc/6b3fa26749ab40e159b2dd5cf577acaaf5902772/library/test/src/lib.rs:698:41
[INFO] [stdout]   38:     0x5c98f9e5b074 - std[73adb7dc35730857]::sys::backtrace::__rust_begin_short_backtrace::<test[980ffaebd391d06d]::run_test::{closure#1}, ()>
[INFO] [stdout]                                at /rustc/6b3fa26749ab40e159b2dd5cf577acaaf5902772/library/std/src/sys/backtrace.rs:166:18
[INFO] [stdout]   39:     0x5c98f9e63712 - std[73adb7dc35730857]::thread::lifecycle::spawn_unchecked::<test[980ffaebd391d06d]::run_test::{closure#1}, ()>::{closure#1}::{closure#0}
[INFO] [stdout]                                at /rustc/6b3fa26749ab40e159b2dd5cf577acaaf5902772/library/std/src/thread/lifecycle.rs:70:13
[INFO] [stdout]   40:     0x5c98f9e63712 - <core[6883ba1bc0fe4ed1]::panic::unwind_safe::AssertUnwindSafe<std[73adb7dc35730857]::thread::lifecycle::spawn_unchecked<test[980ffaebd391d06d]::run_test::{closure#1}, ()>::{closure#1}::{closure#0}> as core[6883ba1bc0fe4ed1]::ops::function::FnOnce<()>>::call_once
[INFO] [stdout]                                at /rustc/6b3fa26749ab40e159b2dd5cf577acaaf5902772/library/core/src/panic/unwind_safe.rs:275:9
[INFO] [stdout]   41:     0x5c98f9e63712 - std[73adb7dc35730857]::panicking::catch_unwind::do_call::<core[6883ba1bc0fe4ed1]::panic::unwind_safe::AssertUnwindSafe<std[73adb7dc35730857]::thread::lifecycle::spawn_unchecked<test[980ffaebd391d06d]::run_test::{closure#1}, ()>::{closure#1}::{closure#0}>, ()>
[INFO] [stdout]                                at /rustc/6b3fa26749ab40e159b2dd5cf577acaaf5902772/library/std/src/panicking.rs:576:43
[INFO] [stdout]   42:     0x5c98f9e63712 - std[73adb7dc35730857]::panicking::catch_unwind::<(), core[6883ba1bc0fe4ed1]::panic::unwind_safe::AssertUnwindSafe<std[73adb7dc35730857]::thread::lifecycle::spawn_unchecked<test[980ffaebd391d06d]::run_test::{closure#1}, ()>::{closure#1}::{closure#0}>>
[INFO] [stdout]                                at /rustc/6b3fa26749ab40e159b2dd5cf577acaaf5902772/library/std/src/panicking.rs:544:19
[INFO] [stdout]   43:     0x5c98f9e63712 - std[73adb7dc35730857]::panic::catch_unwind::<core[6883ba1bc0fe4ed1]::panic::unwind_safe::AssertUnwindSafe<std[73adb7dc35730857]::thread::lifecycle::spawn_unchecked<test[980ffaebd391d06d]::run_test::{closure#1}, ()>::{closure#1}::{closure#0}>, ()>
[INFO] [stdout]                                at /rustc/6b3fa26749ab40e159b2dd5cf577acaaf5902772/library/std/src/panic.rs:359:14
[INFO] [stdout]   44:     0x5c98f9e63712 - std[73adb7dc35730857]::thread::lifecycle::spawn_unchecked::<test[980ffaebd391d06d]::run_test::{closure#1}, ()>::{closure#1}
[INFO] [stdout]                                at /rustc/6b3fa26749ab40e159b2dd5cf577acaaf5902772/library/std/src/thread/lifecycle.rs:68:26
[INFO] [stdout]   45:     0x5c98f9e63712 - <std[73adb7dc35730857]::thread::lifecycle::spawn_unchecked<test[980ffaebd391d06d]::run_test::{closure#1}, ()>::{closure#1} as core[6883ba1bc0fe4ed1]::ops::function::FnOnce<()>>::call_once::{shim:vtable#0}
[INFO] [stdout]                                at /rustc/6b3fa26749ab40e159b2dd5cf577acaaf5902772/library/core/src/ops/function.rs:250:5
[INFO] [stdout]   46:     0x5c98fa0d44af - <alloc[55a36b64bcbf2c0d]::boxed::Box<dyn core[6883ba1bc0fe4ed1]::ops::function::FnOnce<(), Output = ()> + core[6883ba1bc0fe4ed1]::marker::Send> as core[6883ba1bc0fe4ed1]::ops::function::FnOnce<()>>::call_once
[INFO] [stdout]                                at /rustc/6b3fa26749ab40e159b2dd5cf577acaaf5902772/library/alloc/src/boxed.rs:2319:9
[INFO] [stdout]   47:     0x5c98fa0d44af - <std[73adb7dc35730857]::sys::thread::unix::Thread>::new::thread_start
[INFO] [stdout]                                at /rustc/6b3fa26749ab40e159b2dd5cf577acaaf5902772/library/std/src/sys/thread/unix.rs:123:17
[INFO] [stdout]   48:     0x718092357aa4 - <unknown>
[INFO] [stdout]   49:     0x7180923e4a64 - clone
[INFO] [stdout]   50:                0x0 - <unknown>
[INFO] [stdout] 
[INFO] [stdout] ---- head::one_c2 stdout ----
[INFO] [stdout] 
[INFO] [stdout] thread 'head::one_c2' (3170) panicked at /rustc/6b3fa26749ab40e159b2dd5cf577acaaf5902772/library/core/src/ops/function.rs:250:5:
[INFO] [stdout] Unexpected failure.
[INFO] [stdout] code-101
[INFO] [stdout] stderr=```<90 lines total>
[INFO] [stdout] ```
[INFO] [stdout] 
[INFO] [stdout] thread \'main\' (3172) panicked at /opt/rustwide/cargo-home/registry/src/index.crates.io-1949cf8c6b5b557f/clap-3.2.25/src/parser/matches/arg_matches.rs:547:22:
[INFO] [stdout] Must use `Arg::allow_invalid_utf8` with `_os` lookups at `files`
[INFO] [stdout] stack backtrace:
[INFO] [stdout]    0:     0x55986e914601 - std[73adb7dc35730857]::backtrace_rs::backtrace::libunwind::trace
[INFO] [stdout]                                at /rustc/6b3fa26749ab40e159b2dd5cf577acaaf5902772/library/std/src/../../backtrace/src/backtrace/libunwind.rs:117:9
[INFO] [stdout]    1:     0x55986e914601 - std[73adb7dc35730857]::backtrace_rs::backtrace::trace_unsynchronized::<std[73adb7dc35730857]::sys::backtrace::_print_fmt::{closure#1}>
[INFO] [stdout]                                at /rustc/6b3fa26749ab40e159b2dd5cf577acaaf5902772/library/std/src/../../backtrace/src/backtrace/mod.rs:66:14
[INFO] [stdout]    2:     0x55986e914601 - std[73adb7dc35730857]::sys::backtrace::_print_fmt
[INFO] [stdout]                                at /rustc/6b3fa26749ab40e159b2dd5cf577acaaf5902772/library/std/src/sys/backtrace.rs:74:9
[INFO] [stdout]    3:     0x55986e914601 - <<std[73adb7dc35730857]::sys::backtrace::BacktraceLock>::print::DisplayBacktrace as core[6883ba1bc0fe4ed1]::fmt::Display>::fmt
[INFO] [stdout]                                at /rustc/6b3fa26749ab40e159b2dd5cf577acaaf5902772/library/std/src/sys/backtrace.rs:44:26
[INFO] [stdout]    4:     0x55986e92828a - <core[6883ba1bc0fe4ed1]::fmt::rt::Argument>::fmt
[INFO] [stdout]                                at /rustc/6b3fa26749ab40e159b2dd5cf577acaaf5902772/library/core/src/fmt/rt.rs:152:76
[INFO] [stdout]    5:     0x55986e92828a - core[6883ba1bc0fe4ed1]::fmt::write
[INFO] [stdout]    6:     0x55986e919cec - std[73adb7dc35730857]::io::default_write_fmt::<std[73adb7dc35730857]::sys::stdio::unix::Stderr>
[INFO] [stdout]                                at /rustc/6b3fa26749ab40e159b2dd5cf577acaaf5902772/library/std/src/io/mod.rs:626:11
[INFO] [stdout]    7:     0x55986e919cec - <std[73adb7dc35730857]::sys::stdio::unix::Stderr as std[73adb7dc35730857]::io::Write>::write_fmt
[INFO] [stdout]                                at /rustc/6b3fa26749ab40e159b2dd5cf577acaaf5902772/library/std/src/io/mod.rs:1730:13
[INFO] [stdout]    8:     0x55986e8fee16 - <std[73adb7dc35730857]::sys::backtrace::BacktraceLock>::print
[INFO] [stdout] ```
[INFO] [stdout] <30 lines omitted>
[INFO] [stdout] ```
[INFO] [stdout]                                at /rustc/6b3fa26749ab40e159b2dd5cf577acaaf5902772/library/alloc/src/vec/mod.rs:3941:9
[INFO] [stdout]   24:     0x55986e7ae08e - <core[6883ba1bc0fe4ed1]::iter::adapters::map::Map<core[6883ba1bc0fe4ed1]::iter::adapters::flatten::Flatten<core[6883ba1bc0fe4ed1]::slice::iter::Iter<alloc[55a36b64bcbf2c0d]::vec::Vec<clap[965b0170b9d3cf34]::parser::matches::any_value::AnyValue>>>, <clap[965b0170b9d3cf34]::parser::matches::arg_matches::ArgMatches>::values_of_lossy<&str>::{closure#0}> as core[6883ba1bc0fe4ed1]::iter::traits::iterator::Iterator>::collect::<alloc[55a36b64bcbf2c0d]::vec::Vec<alloc[55a36b64bcbf2c0d]::string::String>>
[INFO] [stdout]                                at /rustc/6b3fa26749ab40e159b2dd5cf577acaaf5902772/library/core/src/iter/traits/iterator.rs:2090:9
[INFO] [stdout]   25:     0x55986e7a8166 - <clap[965b0170b9d3cf34]::parser::matches::arg_matches::ArgMatches>::values_of_lossy::<&str>
[INFO] [stdout]                                at /opt/rustwide/cargo-home/registry/src/index.crates.io-1949cf8c6b5b557f/clap-3.2.25/src/parser/matches/arg_matches.rs:548:14
[INFO] [stdout]   26:     0x55986e7b218b - command_line_rust[2a7d65b3375657d0]::head::get_args
[INFO] [stdout]                                at /opt/rustwide/workdir/src/head/mod.rs:92:24
[INFO] [stdout]   27:     0x55986e7a7ad2 - head[5f62c2f9cff836a0]::main
[INFO] [stdout]                                at /opt/rustwide/workdir/src/head/main.rs:4:21
[INFO] [stdout]   28:     0x55986e7a7beb - <fn() as core[6883ba1bc0fe4ed1]::ops::function::FnOnce<()>>::call_once
[INFO] [stdout]                                at /rustc/6b3fa26749ab40e159b2dd5cf577acaaf5902772/library/core/src/ops/function.rs:250:5
[INFO] [stdout]   29:     0x55986e7a7a5e - std[73adb7dc35730857]::sys::backtrace::__rust_begin_short_backtrace::<fn(), ()>
[INFO] [stdout]                                at /rustc/6b3fa26749ab40e159b2dd5cf577acaaf5902772/library/std/src/sys/backtrace.rs:166:18
[INFO] [stdout]   30:     0x55986e7a7a81 - std[73adb7dc35730857]::rt::lang_start::<()>::{closure#0}
[INFO] [stdout]                                at /rustc/6b3fa26749ab40e159b2dd5cf577acaaf5902772/library/std/src/rt.rs:206:18
[INFO] [stdout]   31:     0x55986e90f547 - <&dyn core[6883ba1bc0fe4ed1]::ops::function::Fn<(), Output = i32> + core[6883ba1bc0fe4ed1]::panic::unwind_safe::RefUnwindSafe + core[6883ba1bc0fe4ed1]::marker::Sync as core[6883ba1bc0fe4ed1]::ops::function::FnOnce<()>>::call_once
[INFO] [stdout]                                at /rustc/6b3fa26749ab40e159b2dd5cf577acaaf5902772/library/core/src/ops/function.rs:287:21
[INFO] [stdout]   32:     0x55986e90f547 - std[73adb7dc35730857]::panicking::catch_unwind::do_call::<&dyn core[6883ba1bc0fe4ed1]::ops::function::Fn<(), Output = i32> + core[6883ba1bc0fe4ed1]::panic::unwind_safe::RefUnwindSafe + core[6883ba1bc0fe4ed1]::marker::Sync, i32>
[INFO] [stdout]                                at /rustc/6b3fa26749ab40e159b2dd5cf577acaaf5902772/library/std/src/panicking.rs:576:43
[INFO] [stdout]   33:     0x55986e90f547 - std[73adb7dc35730857]::panicking::catch_unwind::<i32, &dyn core[6883ba1bc0fe4ed1]::ops::function::Fn<(), Output = i32> + core[6883ba1bc0fe4ed1]::panic::unwind_safe::RefUnwindSafe + core[6883ba1bc0fe4ed1]::marker::Sync>
[INFO] [stdout]                                at /rustc/6b3fa26749ab40e159b2dd5cf577acaaf5902772/library/std/src/panicking.rs:544:19
[INFO] [stdout]   34:     0x55986e90f547 - std[73adb7dc35730857]::panic::catch_unwind::<&dyn core[6883ba1bc0fe4ed1]::ops::function::Fn<(), Output = i32> + core[6883ba1bc0fe4ed1]::panic::unwind_safe::RefUnwindSafe + core[6883ba1bc0fe4ed1]::marker::Sync, i32>
[INFO] [stdout]                                at /rustc/6b3fa26749ab40e159b2dd5cf577acaaf5902772/library/std/src/panic.rs:359:14
[INFO] [stdout]   35:     0x55986e90f547 - std[73adb7dc35730857]::rt::lang_start_internal::{closure#0}
[INFO] [stdout]                                at /rustc/6b3fa26749ab40e159b2dd5cf577acaaf5902772/library/std/src/rt.rs:175:24
[INFO] [stdout]   36:     0x55986e90f547 - std[73adb7dc35730857]::panicking::catch_unwind::do_call::<std[73adb7dc35730857]::rt::lang_start_internal::{closure#0}, isize>
[INFO] [stdout]                                at /rustc/6b3fa26749ab40e159b2dd5cf577acaaf5902772/library/std/src/panicking.rs:576:43
[INFO] [stdout]   37:     0x55986e90f547 - std[73adb7dc35730857]::panicking::catch_unwind::<isize, std[73adb7dc35730857]::rt::lang_start_internal::{closure#0}>
[INFO] [stdout]                                at /rustc/6b3fa26749ab40e159b2dd5cf577acaaf5902772/library/std/src/panicking.rs:544:19
[INFO] [stdout]   38:     0x55986e90f547 - std[73adb7dc35730857]::panic::catch_unwind::<std[73adb7dc35730857]::rt::lang_start_internal::{closure#0}, isize>
[INFO] [stdout]                                at /rustc/6b3fa26749ab40e159b2dd5cf577acaaf5902772/library/std/src/panic.rs:359:14
[INFO] [stdout]   39:     0x55986e90f547 - std[73adb7dc35730857]::rt::lang_start_internal
[INFO] [stdout]                                at /rustc/6b3fa26749ab40e159b2dd5cf577acaaf5902772/library/std/src/rt.rs:171:5
[INFO] [stdout]   40:     0x55986e7a7a47 - std[73adb7dc35730857]::rt::lang_start::<()>
[INFO] [stdout]                                at /rustc/6b3fa26749ab40e159b2dd5cf577acaaf5902772/library/std/src/rt.rs:205:5
[INFO] [stdout]   41:     0x55986e7a7c7e - main
[INFO] [stdout]   42:     0x7cc1fc74d1ca - <unknown>
[INFO] [stdout]   43:     0x7cc1fc74d28b - __libc_start_main
[INFO] [stdout]   44:     0x55986e7a78a5 - _start
[INFO] [stdout]   45:                0x0 - <unknown>
[INFO] [stdout] ```
[INFO] [stdout] ```
[INFO] [stdout] command=`"/opt/rustwide/target/debug/head" "tests/head/inputs/one.txt" "-c" "2"`
[INFO] [stdout] code=101
[INFO] [stdout] stdout=""
[INFO] [stdout] stderr=<90 lines total>
[INFO] [stdout] ```
[INFO] [stdout] 
[INFO] [stdout] thread \'main\' (3172) panicked at /opt/rustwide/cargo-home/registry/src/index.crates.io-1949cf8c6b5b557f/clap-3.2.25/src/parser/matches/arg_matches.rs:547:22:
[INFO] [stdout] Must use `Arg::allow_invalid_utf8` with `_os` lookups at `files`
[INFO] [stdout] stack backtrace:
[INFO] [stdout]    0:     0x55986e914601 - std[73adb7dc35730857]::backtrace_rs::backtrace::libunwind::trace
[INFO] [stdout]                                at /rustc/6b3fa26749ab40e159b2dd5cf577acaaf5902772/library/std/src/../../backtrace/src/backtrace/libunwind.rs:117:9
[INFO] [stdout]    1:     0x55986e914601 - std[73adb7dc35730857]::backtrace_rs::backtrace::trace_unsynchronized::<std[73adb7dc35730857]::sys::backtrace::_print_fmt::{closure#1}>
[INFO] [stdout]                                at /rustc/6b3fa26749ab40e159b2dd5cf577acaaf5902772/library/std/src/../../backtrace/src/backtrace/mod.rs:66:14
[INFO] [stdout]    2:     0x55986e914601 - std[73adb7dc35730857]::sys::backtrace::_print_fmt
[INFO] [stdout]                                at /rustc/6b3fa26749ab40e159b2dd5cf577acaaf5902772/library/std/src/sys/backtrace.rs:74:9
[INFO] [stdout]    3:     0x55986e914601 - <<std[73adb7dc35730857]::sys::backtrace::BacktraceLock>::print::DisplayBacktrace as core[6883ba1bc0fe4ed1]::fmt::Display>::fmt
[INFO] [stdout]                                at /rustc/6b3fa26749ab40e159b2dd5cf577acaaf5902772/library/std/src/sys/backtrace.rs:44:26
[INFO] [stdout]    4:     0x55986e92828a - <core[6883ba1bc0fe4ed1]::fmt::rt::Argument>::fmt
[INFO] [stdout]                                at /rustc/6b3fa26749ab40e159b2dd5cf577acaaf5902772/library/core/src/fmt/rt.rs:152:76
[INFO] [stdout]    5:     0x55986e92828a - core[6883ba1bc0fe4ed1]::fmt::write
[INFO] [stdout]    6:     0x55986e919cec - std[73adb7dc35730857]::io::default_write_fmt::<std[73adb7dc35730857]::sys::stdio::unix::Stderr>
[INFO] [stdout]                                at /rustc/6b3fa26749ab40e159b2dd5cf577acaaf5902772/library/std/src/io/mod.rs:626:11
[INFO] [stdout]    7:     0x55986e919cec - <std[73adb7dc35730857]::sys::stdio::unix::Stderr as std[73adb7dc35730857]::io::Write>::write_fmt
[INFO] [stdout]                                at /rustc/6b3fa26749ab40e159b2dd5cf577acaaf5902772/library/std/src/io/mod.rs:1730:13
[INFO] [stdout]    8:     0x55986e8fee16 - <std[73adb7dc35730857]::sys::backtrace::BacktraceLock>::print
[INFO] [stdout] ```
[INFO] [stdout] <30 lines omitted>
[INFO] [stdout] ```
[INFO] [stdout]                                at /rustc/6b3fa26749ab40e159b2dd5cf577acaaf5902772/library/alloc/src/vec/mod.rs:3941:9
[INFO] [stdout]   24:     0x55986e7ae08e - <core[6883ba1bc0fe4ed1]::iter::adapters::map::Map<core[6883ba1bc0fe4ed1]::iter::adapters::flatten::Flatten<core[6883ba1bc0fe4ed1]::slice::iter::Iter<alloc[55a36b64bcbf2c0d]::vec::Vec<clap[965b0170b9d3cf34]::parser::matches::any_value::AnyValue>>>, <clap[965b0170b9d3cf34]::parser::matches::arg_matches::ArgMatches>::values_of_lossy<&str>::{closure#0}> as core[6883ba1bc0fe4ed1]::iter::traits::iterator::Iterator>::collect::<alloc[55a36b64bcbf2c0d]::vec::Vec<alloc[55a36b64bcbf2c0d]::string::String>>
[INFO] [stdout]                                at /rustc/6b3fa26749ab40e159b2dd5cf577acaaf5902772/library/core/src/iter/traits/iterator.rs:2090:9
[INFO] [stdout]   25:     0x55986e7a8166 - <clap[965b0170b9d3cf34]::parser::matches::arg_matches::ArgMatches>::values_of_lossy::<&str>
[INFO] [stdout]                                at /opt/rustwide/cargo-home/registry/src/index.crates.io-1949cf8c6b5b557f/clap-3.2.25/src/parser/matches/arg_matches.rs:548:14
[INFO] [stdout]   26:     0x55986e7b218b - command_line_rust[2a7d65b3375657d0]::head::get_args
[INFO] [stdout]                                at /opt/rustwide/workdir/src/head/mod.rs:92:24
[INFO] [stdout]   27:     0x55986e7a7ad2 - head[5f62c2f9cff836a0]::main
[INFO] [stdout]                                at /opt/rustwide/workdir/src/head/main.rs:4:21
[INFO] [stdout]   28:     0x55986e7a7beb - <fn() as core[6883ba1bc0fe4ed1]::ops::function::FnOnce<()>>::call_once
[INFO] [stdout]                                at /rustc/6b3fa26749ab40e159b2dd5cf577acaaf5902772/library/core/src/ops/function.rs:250:5
[INFO] [stdout]   29:     0x55986e7a7a5e - std[73adb7dc35730857]::sys::backtrace::__rust_begin_short_backtrace::<fn(), ()>
[INFO] [stdout]                                at /rustc/6b3fa26749ab40e159b2dd5cf577acaaf5902772/library/std/src/sys/backtrace.rs:166:18
[INFO] [stdout]   30:     0x55986e7a7a81 - std[73adb7dc35730857]::rt::lang_start::<()>::{closure#0}
[INFO] [stdout]                                at /rustc/6b3fa26749ab40e159b2dd5cf577acaaf5902772/library/std/src/rt.rs:206:18
[INFO] [stdout]   31:     0x55986e90f547 - <&dyn core[6883ba1bc0fe4ed1]::ops::function::Fn<(), Output = i32> + core[6883ba1bc0fe4ed1]::panic::unwind_safe::RefUnwindSafe + core[6883ba1bc0fe4ed1]::marker::Sync as core[6883ba1bc0fe4ed1]::ops::function::FnOnce<()>>::call_once
[INFO] [stdout]                                at /rustc/6b3fa26749ab40e159b2dd5cf577acaaf5902772/library/core/src/ops/function.rs:287:21
[INFO] [stdout]   32:     0x55986e90f547 - std[73adb7dc35730857]::panicking::catch_unwind::do_call::<&dyn core[6883ba1bc0fe4ed1]::ops::function::Fn<(), Output = i32> + core[6883ba1bc0fe4ed1]::panic::unwind_safe::RefUnwindSafe + core[6883ba1bc0fe4ed1]::marker::Sync, i32>
[INFO] [stdout]                                at /rustc/6b3fa26749ab40e159b2dd5cf577acaaf5902772/library/std/src/panicking.rs:576:43
[INFO] [stdout]   33:     0x55986e90f547 - std[73adb7dc35730857]::panicking::catch_unwind::<i32, &dyn core[6883ba1bc0fe4ed1]::ops::function::Fn<(), Output = i32> + core[6883ba1bc0fe4ed1]::panic::unwind_safe::RefUnwindSafe + core[6883ba1bc0fe4ed1]::marker::Sync>
[INFO] [stdout]                                at /rustc/6b3fa26749ab40e159b2dd5cf577acaaf5902772/library/std/src/panicking.rs:544:19
[INFO] [stdout]   34:     0x55986e90f547 - std[73adb7dc35730857]::panic::catch_unwind::<&dyn core[6883ba1bc0fe4ed1]::ops::function::Fn<(), Output = i32> + core[6883ba1bc0fe4ed1]::panic::unwind_safe::RefUnwindSafe + core[6883ba1bc0fe4ed1]::marker::Sync, i32>
[INFO] [stdout]                                at /rustc/6b3fa26749ab40e159b2dd5cf577acaaf5902772/library/std/src/panic.rs:359:14
[INFO] [stdout]   35:     0x55986e90f547 - std[73adb7dc35730857]::rt::lang_start_internal::{closure#0}
[INFO] [stdout]                                at /rustc/6b3fa26749ab40e159b2dd5cf577acaaf5902772/library/std/src/rt.rs:175:24
[INFO] [stdout]   36:     0x55986e90f547 - std[73adb7dc35730857]::panicking::catch_unwind::do_call::<std[73adb7dc35730857]::rt::lang_start_internal::{closure#0}, isize>
[INFO] [stdout]                                at /rustc/6b3fa26749ab40e159b2dd5cf577acaaf5902772/library/std/src/panicking.rs:576:43
[INFO] [stdout]   37:     0x55986e90f547 - std[73adb7dc35730857]::panicking::catch_unwind::<isize, std[73adb7dc35730857]::rt::lang_start_internal::{closure#0}>
[INFO] [stdout]                                at /rustc/6b3fa26749ab40e159b2dd5cf577acaaf5902772/library/std/src/panicking.rs:544:19
[INFO] [stdout]   38:     0x55986e90f547 - std[73adb7dc35730857]::panic::catch_unwind::<std[73adb7dc35730857]::rt::lang_start_internal::{closure#0}, isize>
[INFO] [stdout]                                at /rustc/6b3fa26749ab40e159b2dd5cf577acaaf5902772/library/std/src/panic.rs:359:14
[INFO] [stdout]   39:     0x55986e90f547 - std[73adb7dc35730857]::rt::lang_start_internal
[INFO] [stdout]                                at /rustc/6b3fa26749ab40e159b2dd5cf577acaaf5902772/library/std/src/rt.rs:171:5
[INFO] [stdout]   40:     0x55986e7a7a47 - std[73adb7dc35730857]::rt::lang_start::<()>
[INFO] [stdout]                                at /rustc/6b3fa26749ab40e159b2dd5cf577acaaf5902772/library/std/src/rt.rs:205:5
[INFO] [stdout]   41:     0x55986e7a7c7e - main
[INFO] [stdout]   42:     0x7cc1fc74d1ca - <unknown>
[INFO] [stdout]   43:     0x7cc1fc74d28b - __libc_start_main
[INFO] [stdout]   44:     0x55986e7a78a5 - _start
[INFO] [stdout]   45:                0x0 - <unknown>
[INFO] [stdout] ```
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] stack backtrace:
[INFO] [stdout]    0:     0x5c98fa0d5011 - std[73adb7dc35730857]::backtrace_rs::backtrace::libunwind::trace
[INFO] [stdout]                                at /rustc/6b3fa26749ab40e159b2dd5cf577acaaf5902772/library/std/src/../../backtrace/src/backtrace/libunwind.rs:117:9
[INFO] [stdout]    1:     0x5c98fa0d5011 - std[73adb7dc35730857]::backtrace_rs::backtrace::trace_unsynchronized::<std[73adb7dc35730857]::sys::backtrace::_print_fmt::{closure#1}>
[INFO] [stdout]                                at /rustc/6b3fa26749ab40e159b2dd5cf577acaaf5902772/library/std/src/../../backtrace/src/backtrace/mod.rs:66:14
[INFO] [stdout]    2:     0x5c98fa0d5011 - std[73adb7dc35730857]::sys::backtrace::_print_fmt
[INFO] [stdout]                                at /rustc/6b3fa26749ab40e159b2dd5cf577acaaf5902772/library/std/src/sys/backtrace.rs:74:9
[INFO] [stdout]    3:     0x5c98fa0d5011 - <<std[73adb7dc35730857]::sys::backtrace::BacktraceLock>::print::DisplayBacktrace as core[6883ba1bc0fe4ed1]::fmt::Display>::fmt
[INFO] [stdout]                                at /rustc/6b3fa26749ab40e159b2dd5cf577acaaf5902772/library/std/src/sys/backtrace.rs:44:26
[INFO] [stdout]    4:     0x5c98fa0eb71a - <core[6883ba1bc0fe4ed1]::fmt::rt::Argument>::fmt
[INFO] [stdout]                                at /rustc/6b3fa26749ab40e159b2dd5cf577acaaf5902772/library/core/src/fmt/rt.rs:152:76
[INFO] [stdout]    5:     0x5c98fa0eb71a - core[6883ba1bc0fe4ed1]::fmt::write
[INFO] [stdout]    6:     0x5c98fa0da99c - std[73adb7dc35730857]::io::default_write_fmt::<alloc[55a36b64bcbf2c0d]::vec::Vec<u8>>
[INFO] [stdout]                                at /rustc/6b3fa26749ab40e159b2dd5cf577acaaf5902772/library/std/src/io/mod.rs:626:11
[INFO] [stdout]    7:     0x5c98fa0da99c - <alloc[55a36b64bcbf2c0d]::vec::Vec<u8> as std[73adb7dc35730857]::io::Write>::write_fmt
[INFO] [stdout]                                at /rustc/6b3fa26749ab40e159b2dd5cf577acaaf5902772/library/std/src/io/mod.rs:1730:13
[INFO] [stdout]    8:     0x5c98fa0b2986 - <std[73adb7dc35730857]::sys::backtrace::BacktraceLock>::print
[INFO] [stdout]                                at /rustc/6b3fa26749ab40e159b2dd5cf577acaaf5902772/library/std/src/sys/backtrace.rs:47:9
[INFO] [stdout]    9:     0x5c98fa0b2986 - std[73adb7dc35730857]::panicking::default_hook::{closure#0}
[INFO] [stdout]                                at /rustc/6b3fa26749ab40e159b2dd5cf577acaaf5902772/library/std/src/panicking.rs:292:27
[INFO] [stdout]   10:     0x5c98fa0ccd09 - std[73adb7dc35730857]::panicking::default_hook
[INFO] [stdout]                                at /rustc/6b3fa26749ab40e159b2dd5cf577acaaf5902772/library/std/src/panicking.rs:316:9
[INFO] [stdout]   11:     0x5c98f9e5fc40 - <alloc[55a36b64bcbf2c0d]::boxed::Box<dyn for<'a, 'b> core[6883ba1bc0fe4ed1]::ops::function::Fn<(&'a std[73adb7dc35730857]::panic::PanicHookInfo<'b>,), Output = ()> + core[6883ba1bc0fe4ed1]::marker::Send + core[6883ba1bc0fe4ed1]::marker::Sync> as core[6883ba1bc0fe4ed1]::ops::function::Fn<(&std[73adb7dc35730857]::panic::PanicHookInfo,)>>::call
[INFO] [stdout]                                at /rustc/6b3fa26749ab40e159b2dd5cf577acaaf5902772/library/alloc/src/boxed.rs:2333:9
[INFO] [stdout]   12:     0x5c98f9e5fc40 - test[980ffaebd391d06d]::test_main_inner::<test[980ffaebd391d06d]::test_main_static::{closure#0}>::{closure#0}
[INFO] [stdout]                                at /rustc/6b3fa26749ab40e159b2dd5cf577acaaf5902772/library/test/src/lib.rs:155:21
[INFO] [stdout]   13:     0x5c98fa0ccec2 - <alloc[55a36b64bcbf2c0d]::boxed::Box<dyn for<'a, 'b> core[6883ba1bc0fe4ed1]::ops::function::Fn<(&'a std[73adb7dc35730857]::panic::PanicHookInfo<'b>,), Output = ()> + core[6883ba1bc0fe4ed1]::marker::Send + core[6883ba1bc0fe4ed1]::marker::Sync> as core[6883ba1bc0fe4ed1]::ops::function::Fn<(&std[73adb7dc35730857]::panic::PanicHookInfo,)>>::call
[INFO] [stdout]                                at /rustc/6b3fa26749ab40e159b2dd5cf577acaaf5902772/library/alloc/src/boxed.rs:2333:9
[INFO] [stdout]   14:     0x5c98fa0ccec2 - std[73adb7dc35730857]::panicking::panic_with_hook
[INFO] [stdout]                                at /rustc/6b3fa26749ab40e159b2dd5cf577acaaf5902772/library/std/src/panicking.rs:823:13
[INFO] [stdout]   15:     0x5c98fa0b2a32 - std[73adb7dc35730857]::panicking::panic_handler::{closure#0}
[INFO] [stdout]                                at /rustc/6b3fa26749ab40e159b2dd5cf577acaaf5902772/library/std/src/panicking.rs:688:13
[INFO] [stdout]   16:     0x5c98fa0aa1d9 - std[73adb7dc35730857]::sys::backtrace::__rust_end_short_backtrace::<std[73adb7dc35730857]::panicking::panic_handler::{closure#0}, !>
[INFO] [stdout]                                at /rustc/6b3fa26749ab40e159b2dd5cf577acaaf5902772/library/std/src/sys/backtrace.rs:182:18
[INFO] [stdout]   17:     0x5c98fa0b362d - __rustc[a7b7b02e776dd976]::rust_begin_unwind
[INFO] [stdout]                                at /rustc/6b3fa26749ab40e159b2dd5cf577acaaf5902772/library/std/src/panicking.rs:679:5
[INFO] [stdout]   18:     0x5c98fa0ebf9c - core[6883ba1bc0fe4ed1]::panicking::panic_fmt
[INFO] [stdout]                                at /rustc/6b3fa26749ab40e159b2dd5cf577acaaf5902772/library/core/src/panicking.rs:80:14
[INFO] [stdout]   19:     0x5c98fa03b8b8 - core[6883ba1bc0fe4ed1]::panicking::panic_display::<assert_cmd[35418449b5f7a4b8]::assert::AssertError>
[INFO] [stdout]                                at /rustc/6b3fa26749ab40e159b2dd5cf577acaaf5902772/library/core/src/panicking.rs:259:5
[INFO] [stdout]   20:     0x5c98fa0426c7 - <assert_cmd[35418449b5f7a4b8]::assert::AssertError>::panic::<assert_cmd[35418449b5f7a4b8]::assert::Assert>
[INFO] [stdout]                                at /opt/rustwide/cargo-home/registry/src/index.crates.io-1949cf8c6b5b557f/assert_cmd-2.0.11/src/assert.rs:1033:9
[INFO] [stdout]   21:     0x5c98fa038947 - <<assert_cmd[35418449b5f7a4b8]::assert::AssertError>::panic<assert_cmd[35418449b5f7a4b8]::assert::Assert> as core[6883ba1bc0fe4ed1]::ops::function::FnOnce<(assert_cmd[35418449b5f7a4b8]::assert::AssertError,)>>::call_once
[INFO] [stdout]                                at /rustc/6b3fa26749ab40e159b2dd5cf577acaaf5902772/library/core/src/ops/function.rs:250:5
[INFO] [stdout]   22:     0x5c98fa041dfb - <core[6883ba1bc0fe4ed1]::result::Result<assert_cmd[35418449b5f7a4b8]::assert::Assert, assert_cmd[35418449b5f7a4b8]::assert::AssertError>>::unwrap_or_else::<<assert_cmd[35418449b5f7a4b8]::assert::AssertError>::panic<assert_cmd[35418449b5f7a4b8]::assert::Assert>>
[INFO] [stdout]                                at /rustc/6b3fa26749ab40e159b2dd5cf577acaaf5902772/library/core/src/result.rs:1620:23
[INFO] [stdout]   23:     0x5c98fa0442a0 - <assert_cmd[35418449b5f7a4b8]::assert::Assert>::success
[INFO] [stdout]                                at /opt/rustwide/cargo-home/registry/src/index.crates.io-1949cf8c6b5b557f/assert_cmd-2.0.11/src/assert.rs:158:28
[INFO] [stdout]   24:     0x5c98f9e4c073 - lib[ef69c164f1f8dd99]::head::run
[INFO] [stdout]                                at /opt/rustwide/workdir/tests/head/mod.rs:105:10
[INFO] [stdout]   25:     0x5c98f9e4df5e - lib[ef69c164f1f8dd99]::head::one_c2
[INFO] [stdout]                                at /opt/rustwide/workdir/tests/head/mod.rs:182:5
[INFO] [stdout]   26:     0x5c98f9e47b77 - lib[ef69c164f1f8dd99]::head::one_c2::{closure#0}
[INFO] [stdout]                                at /opt/rustwide/workdir/tests/head/mod.rs:181:16
[INFO] [stdout]   27:     0x5c98f9e526d6 - <lib[ef69c164f1f8dd99]::head::one_c2::{closure#0} as core[6883ba1bc0fe4ed1]::ops::function::FnOnce<()>>::call_once
[INFO] [stdout]                                at /rustc/6b3fa26749ab40e159b2dd5cf577acaaf5902772/library/core/src/ops/function.rs:250:5
[INFO] [stdout]   28:     0x5c98f9e52f7b - <fn() -> core[6883ba1bc0fe4ed1]::result::Result<(), alloc[55a36b64bcbf2c0d]::string::String> as core[6883ba1bc0fe4ed1]::ops::function::FnOnce<()>>::call_once
[INFO] [stdout]                                at /rustc/6b3fa26749ab40e159b2dd5cf577acaaf5902772/library/core/src/ops/function.rs:250:5
[INFO] [stdout]   29:     0x5c98f9e52f7b - test[980ffaebd391d06d]::__rust_begin_short_backtrace::<core[6883ba1bc0fe4ed1]::result::Result<(), alloc[55a36b64bcbf2c0d]::string::String>, fn() -> core[6883ba1bc0fe4ed1]::result::Result<(), alloc[55a36b64bcbf2c0d]::string::String>>
[INFO] [stdout]                                at /rustc/6b3fa26749ab40e159b2dd5cf577acaaf5902772/library/test/src/lib.rs:724:18
[INFO] [stdout]   30:     0x5c98f9e605c5 - test[980ffaebd391d06d]::run_test_in_process::{closure#0}
[INFO] [stdout]                                at /rustc/6b3fa26749ab40e159b2dd5cf577acaaf5902772/library/test/src/lib.rs:747:74
[INFO] [stdout]   31:     0x5c98f9e605c5 - <core[6883ba1bc0fe4ed1]::panic::unwind_safe::AssertUnwindSafe<test[980ffaebd391d06d]::run_test_in_process::{closure#0}> as core[6883ba1bc0fe4ed1]::ops::function::FnOnce<()>>::call_once
[INFO] [stdout]                                at /rustc/6b3fa26749ab40e159b2dd5cf577acaaf5902772/library/core/src/panic/unwind_safe.rs:275:9
[INFO] [stdout]   32:     0x5c98f9e605c5 - std[73adb7dc35730857]::panicking::catch_unwind::do_call::<core[6883ba1bc0fe4ed1]::panic::unwind_safe::AssertUnwindSafe<test[980ffaebd391d06d]::run_test_in_process::{closure#0}>, core[6883ba1bc0fe4ed1]::result::Result<(), alloc[55a36b64bcbf2c0d]::string::String>>
[INFO] [stdout]                                at /rustc/6b3fa26749ab40e159b2dd5cf577acaaf5902772/library/std/src/panicking.rs:576:43
[INFO] [stdout]   33:     0x5c98f9e605c5 - std[73adb7dc35730857]::panicking::catch_unwind::<core[6883ba1bc0fe4ed1]::result::Result<(), alloc[55a36b64bcbf2c0d]::string::String>, core[6883ba1bc0fe4ed1]::panic::unwind_safe::AssertUnwindSafe<test[980ffaebd391d06d]::run_test_in_process::{closure#0}>>
[INFO] [stdout]                                at /rustc/6b3fa26749ab40e159b2dd5cf577acaaf5902772/library/std/src/panicking.rs:544:19
[INFO] [stdout]   34:     0x5c98f9e605c5 - std[73adb7dc35730857]::panic::catch_unwind::<core[6883ba1bc0fe4ed1]::panic::unwind_safe::AssertUnwindSafe<test[980ffaebd391d06d]::run_test_in_process::{closure#0}>, core[6883ba1bc0fe4ed1]::result::Result<(), alloc[55a36b64bcbf2c0d]::string::String>>
[INFO] [stdout]                                at /rustc/6b3fa26749ab40e159b2dd5cf577acaaf5902772/library/std/src/panic.rs:359:14
[INFO] [stdout]   35:     0x5c98f9e605c5 - test[980ffaebd391d06d]::run_test_in_process
[INFO] [stdout]                                at /rustc/6b3fa26749ab40e159b2dd5cf577acaaf5902772/library/test/src/lib.rs:747:27
[INFO] [stdout]   36:     0x5c98f9e605c5 - test[980ffaebd391d06d]::run_test::{closure#0}
[INFO] [stdout]                                at /rustc/6b3fa26749ab40e159b2dd5cf577acaaf5902772/library/test/src/lib.rs:668:43
[INFO] [stdout]   37:     0x5c98f9e5b074 - test[980ffaebd391d06d]::run_test::{closure#1}
[INFO] [stdout]                                at /rustc/6b3fa26749ab40e159b2dd5cf577acaaf5902772/library/test/src/lib.rs:698:41
[INFO] [stdout]   38:     0x5c98f9e5b074 - std[73adb7dc35730857]::sys::backtrace::__rust_begin_short_backtrace::<test[980ffaebd391d06d]::run_test::{closure#1}, ()>
[INFO] [stdout]                                at /rustc/6b3fa26749ab40e159b2dd5cf577acaaf5902772/library/std/src/sys/backtrace.rs:166:18
[INFO] [stdout]   39:     0x5c98f9e63712 - std[73adb7dc35730857]::thread::lifecycle::spawn_unchecked::<test[980ffaebd391d06d]::run_test::{closure#1}, ()>::{closure#1}::{closure#0}
[INFO] [stdout]                                at /rustc/6b3fa26749ab40e159b2dd5cf577acaaf5902772/library/std/src/thread/lifecycle.rs:70:13
[INFO] [stdout]   40:     0x5c98f9e63712 - <core[6883ba1bc0fe4ed1]::panic::unwind_safe::AssertUnwindSafe<std[73adb7dc35730857]::thread::lifecycle::spawn_unchecked<test[980ffaebd391d06d]::run_test::{closure#1}, ()>::{closure#1}::{closure#0}> as core[6883ba1bc0fe4ed1]::ops::function::FnOnce<()>>::call_once
[INFO] [stdout]                                at /rustc/6b3fa26749ab40e159b2dd5cf577acaaf5902772/library/core/src/panic/unwind_safe.rs:275:9
[INFO] [stdout]   41:     0x5c98f9e63712 - std[73adb7dc35730857]::panicking::catch_unwind::do_call::<core[6883ba1bc0fe4ed1]::panic::unwind_safe::AssertUnwindSafe<std[73adb7dc35730857]::thread::lifecycle::spawn_unchecked<test[980ffaebd391d06d]::run_test::{closure#1}, ()>::{closure#1}::{closure#0}>, ()>
[INFO] [stdout]                                at /rustc/6b3fa26749ab40e159b2dd5cf577acaaf5902772/library/std/src/panicking.rs:576:43
[INFO] [stdout]   42:     0x5c98f9e63712 - std[73adb7dc35730857]::panicking::catch_unwind::<(), core[6883ba1bc0fe4ed1]::panic::unwind_safe::AssertUnwindSafe<std[73adb7dc35730857]::thread::lifecycle::spawn_unchecked<test[980ffaebd391d06d]::run_test::{closure#1}, ()>::{closure#1}::{closure#0}>>
[INFO] [stdout]                                at /rustc/6b3fa26749ab40e159b2dd5cf577acaaf5902772/library/std/src/panicking.rs:544:19
[INFO] [stdout]   43:     0x5c98f9e63712 - std[73adb7dc35730857]::panic::catch_unwind::<core[6883ba1bc0fe4ed1]::panic::unwind_safe::AssertUnwindSafe<std[73adb7dc35730857]::thread::lifecycle::spawn_unchecked<test[980ffaebd391d06d]::run_test::{closure#1}, ()>::{closure#1}::{closure#0}>, ()>
[INFO] [stdout]                                at /rustc/6b3fa26749ab40e159b2dd5cf577acaaf5902772/library/std/src/panic.rs:359:14
[INFO] [stdout]   44:     0x5c98f9e63712 - std[73adb7dc35730857]::thread::lifecycle::spawn_unchecked::<test[980ffaebd391d06d]::run_test::{closure#1}, ()>::{closure#1}
[INFO] [stdout]                                at /rustc/6b3fa26749ab40e159b2dd5cf577acaaf5902772/library/std/src/thread/lifecycle.rs:68:26
[INFO] [stdout]   45:     0x5c98f9e63712 - <std[73adb7dc35730857]::thread::lifecycle::spawn_unchecked<test[980ffaebd391d06d]::run_test::{closure#1}, ()>::{closure#1} as core[6883ba1bc0fe4ed1]::ops::function::FnOnce<()>>::call_once::{shim:vtable#0}
[INFO] [stdout]                                at /rustc/6b3fa26749ab40e159b2dd5cf577acaaf5902772/library/core/src/ops/function.rs:250:5
[INFO] [stdout]   46:     0x5c98fa0d44af - <alloc[55a36b64bcbf2c0d]::boxed::Box<dyn core[6883ba1bc0fe4ed1]::ops::function::FnOnce<(), Output = ()> + core[6883ba1bc0fe4ed1]::marker::Send> as core[6883ba1bc0fe4ed1]::ops::function::FnOnce<()>>::call_once
[INFO] [stdout]                                at /rustc/6b3fa26749ab40e159b2dd5cf577acaaf5902772/library/alloc/src/boxed.rs:2319:9
[INFO] [stdout]   47:     0x5c98fa0d44af - <std[73adb7dc35730857]::sys::thread::unix::Thread>::new::thread_start
[INFO] [stdout]                                at /rustc/6b3fa26749ab40e159b2dd5cf577acaaf5902772/library/std/src/sys/thread/unix.rs:123:17
[INFO] [stdout]   48:     0x718092357aa4 - <unknown>
[INFO] [stdout]   49:     0x7180923e4a64 - clone
[INFO] [stdout]   50:                0x0 - <unknown>
[INFO] [stdout] 
[INFO] [stdout] ---- head::multiple_files stdout ----
[INFO] [stdout] 
[INFO] [stdout] thread 'head::multiple_files' (3142) panicked at /rustc/6b3fa26749ab40e159b2dd5cf577acaaf5902772/library/core/src/ops/function.rs:250:5:
[INFO] [stdout] Unexpected failure.
[INFO] [stdout] code-101
[INFO] [stdout] stderr=```<90 lines total>
[INFO] [stdout] ```
[INFO] [stdout] 
[INFO] [stdout] thread \'main\' (3154) panicked at /opt/rustwide/cargo-home/registry/src/index.crates.io-1949cf8c6b5b557f/clap-3.2.25/src/parser/matches/arg_matches.rs:547:22:
[INFO] [stdout] Must use `Arg::allow_invalid_utf8` with `_os` lookups at `files`
[INFO] [stdout] stack backtrace:
[INFO] [stdout]    0:     0x5661c1bb7601 - std[73adb7dc35730857]::backtrace_rs::backtrace::libunwind::trace
[INFO] [stdout]                                at /rustc/6b3fa26749ab40e159b2dd5cf577acaaf5902772/library/std/src/../../backtrace/src/backtrace/libunwind.rs:117:9
[INFO] [stdout]    1:     0x5661c1bb7601 - std[73adb7dc35730857]::backtrace_rs::backtrace::trace_unsynchronized::<std[73adb7dc35730857]::sys::backtrace::_print_fmt::{closure#1}>
[INFO] [stdout]                                at /rustc/6b3fa26749ab40e159b2dd5cf577acaaf5902772/library/std/src/../../backtrace/src/backtrace/mod.rs:66:14
[INFO] [stdout]    2:     0x5661c1bb7601 - std[73adb7dc35730857]::sys::backtrace::_print_fmt
[INFO] [stdout]                                at /rustc/6b3fa26749ab40e159b2dd5cf577acaaf5902772/library/std/src/sys/backtrace.rs:74:9
[INFO] [stdout]    3:     0x5661c1bb7601 - <<std[73adb7dc35730857]::sys::backtrace::BacktraceLock>::print::DisplayBacktrace as core[6883ba1bc0fe4ed1]::fmt::Display>::fmt
[INFO] [stdout]                                at /rustc/6b3fa26749ab40e159b2dd5cf577acaaf5902772/library/std/src/sys/backtrace.rs:44:26
[INFO] [stdout]    4:     0x5661c1bcb28a - <core[6883ba1bc0fe4ed1]::fmt::rt::Argument>::fmt
[INFO] [stdout]                                at /rustc/6b3fa26749ab40e159b2dd5cf577acaaf5902772/library/core/src/fmt/rt.rs:152:76
[INFO] [stdout]    5:     0x5661c1bcb28a - core[6883ba1bc0fe4ed1]::fmt::write
[INFO] [stdout]    6:     0x5661c1bbccec - std[73adb7dc35730857]::io::default_write_fmt::<std[73adb7dc35730857]::sys::stdio::unix::Stderr>
[INFO] [stdout]                                at /rustc/6b3fa26749ab40e159b2dd5cf577acaaf5902772/library/std/src/io/mod.rs:626:11
[INFO] [stdout]    7:     0x5661c1bbccec - <std[73adb7dc35730857]::sys::stdio::unix::Stderr as std[73adb7dc35730857]::io::Write>::write_fmt
[INFO] [stdout]                                at /rustc/6b3fa26749ab40e159b2dd5cf577acaaf5902772/library/std/src/io/mod.rs:1730:13
[INFO] [stdout]    8:     0x5661c1ba1e16 - <std[73adb7dc35730857]::sys::backtrace::BacktraceLock>::print
[INFO] [stdout] ```
[INFO] [stdout] <30 lines omitted>
[INFO] [stdout] ```
[INFO] [stdout]                                at /rustc/6b3fa26749ab40e159b2dd5cf577acaaf5902772/library/alloc/src/vec/mod.rs:3941:9
[INFO] [stdout]   24:     0x5661c1a5108e - <core[6883ba1bc0fe4ed1]::iter::adapters::map::Map<core[6883ba1bc0fe4ed1]::iter::adapters::flatten::Flatten<core[6883ba1bc0fe4ed1]::slice::iter::Iter<alloc[55a36b64bcbf2c0d]::vec::Vec<clap[965b0170b9d3cf34]::parser::matches::any_value::AnyValue>>>, <clap[965b0170b9d3cf34]::parser::matches::arg_matches::ArgMatches>::values_of_lossy<&str>::{closure#0}> as core[6883ba1bc0fe4ed1]::iter::traits::iterator::Iterator>::collect::<alloc[55a36b64bcbf2c0d]::vec::Vec<alloc[55a36b64bcbf2c0d]::string::String>>
[INFO] [stdout]                                at /rustc/6b3fa26749ab40e159b2dd5cf577acaaf5902772/library/core/src/iter/traits/iterator.rs:2090:9
[INFO] [stdout]   25:     0x5661c1a4b166 - <clap[965b0170b9d3cf34]::parser::matches::arg_matches::ArgMatches>::values_of_lossy::<&str>
[INFO] [stdout]                                at /opt/rustwide/cargo-home/registry/src/index.crates.io-1949cf8c6b5b557f/clap-3.2.25/src/parser/matches/arg_matches.rs:548:14
[INFO] [stdout]   26:     0x5661c1a5518b - command_line_rust[2a7d65b3375657d0]::head::get_args
[INFO] [stdout]                                at /opt/rustwide/workdir/src/head/mod.rs:92:24
[INFO] [stdout]   27:     0x5661c1a4aad2 - head[5f62c2f9cff836a0]::main
[INFO] [stdout]                                at /opt/rustwide/workdir/src/head/main.rs:4:21
[INFO] [stdout]   28:     0x5661c1a4abeb - <fn() as core[6883ba1bc0fe4ed1]::ops::function::FnOnce<()>>::call_once
[INFO] [stdout]                                at /rustc/6b3fa26749ab40e159b2dd5cf577acaaf5902772/library/core/src/ops/function.rs:250:5
[INFO] [stdout]   29:     0x5661c1a4aa5e - std[73adb7dc35730857]::sys::backtrace::__rust_begin_short_backtrace::<fn(), ()>
[INFO] [stdout]                                at /rustc/6b3fa26749ab40e159b2dd5cf577acaaf5902772/library/std/src/sys/backtrace.rs:166:18
[INFO] [stdout]   30:     0x5661c1a4aa81 - std[73adb7dc35730857]::rt::lang_start::<()>::{closure#0}
[INFO] [stdout]                                at /rustc/6b3fa26749ab40e159b2dd5cf577acaaf5902772/library/std/src/rt.rs:206:18
[INFO] [stdout]   31:     0x5661c1bb2547 - <&dyn core[6883ba1bc0fe4ed1]::ops::function::Fn<(), Output = i32> + core[6883ba1bc0fe4ed1]::panic::unwind_safe::RefUnwindSafe + core[6883ba1bc0fe4ed1]::marker::Sync as core[6883ba1bc0fe4ed1]::ops::function::FnOnce<()>>::call_once
[INFO] [stdout]                                at /rustc/6b3fa26749ab40e159b2dd5cf577acaaf5902772/library/core/src/ops/function.rs:287:21
[INFO] [stdout]   32:     0x5661c1bb2547 - std[73adb7dc35730857]::panicking::catch_unwind::do_call::<&dyn core[6883ba1bc0fe4ed1]::ops::function::Fn<(), Output = i32> + core[6883ba1bc0fe4ed1]::panic::unwind_safe::RefUnwindSafe + core[6883ba1bc0fe4ed1]::marker::Sync, i32>
[INFO] [stdout]                                at /rustc/6b3fa26749ab40e159b2dd5cf577acaaf5902772/library/std/src/panicking.rs:576:43
[INFO] [stdout]   33:     0x5661c1bb2547 - std[73adb7dc35730857]::panicking::catch_unwind::<i32, &dyn core[6883ba1bc0fe4ed1]::ops::function::Fn<(), Output = i32> + core[6883ba1bc0fe4ed1]::panic::unwind_safe::RefUnwindSafe + core[6883ba1bc0fe4ed1]::marker::Sync>
[INFO] [stdout]                                at /rustc/6b3fa26749ab40e159b2dd5cf577acaaf5902772/library/std/src/panicking.rs:544:19
[INFO] [stdout]   34:     0x5661c1bb2547 - std[73adb7dc35730857]::panic::catch_unwind::<&dyn core[6883ba1bc0fe4ed1]::ops::function::Fn<(), Output = i32> + core[6883ba1bc0fe4ed1]::panic::unwind_safe::RefUnwindSafe + core[6883ba1bc0fe4ed1]::marker::Sync, i32>
[INFO] [stdout]                                at /rustc/6b3fa26749ab40e159b2dd5cf577acaaf5902772/library/std/src/panic.rs:359:14
[INFO] [stdout]   35:     0x5661c1bb2547 - std[73adb7dc35730857]::rt::lang_start_internal::{closure#0}
[INFO] [stdout]                                at /rustc/6b3fa26749ab40e159b2dd5cf577acaaf5902772/library/std/src/rt.rs:175:24
[INFO] [stdout]   36:     0x5661c1bb2547 - std[73adb7dc35730857]::panicking::catch_unwind::do_call::<std[73adb7dc35730857]::rt::lang_start_internal::{closure#0}, isize>
[INFO] [stdout]                                at /rustc/6b3fa26749ab40e159b2dd5cf577acaaf5902772/library/std/src/panicking.rs:576:43
[INFO] [stdout]   37:     0x5661c1bb2547 - std[73adb7dc35730857]::panicking::catch_unwind::<isize, std[73adb7dc35730857]::rt::lang_start_internal::{closure#0}>
[INFO] [stdout]                                at /rustc/6b3fa26749ab40e159b2dd5cf577acaaf5902772/library/std/src/panicking.rs:544:19
[INFO] [stdout]   38:     0x5661c1bb2547 - std[73adb7dc35730857]::panic::catch_unwind::<std[73adb7dc35730857]::rt::lang_start_internal::{closure#0}, isize>
[INFO] [stdout]                                at /rustc/6b3fa26749ab40e159b2dd5cf577acaaf5902772/library/std/src/panic.rs:359:14
[INFO] [stdout]   39:     0x5661c1bb2547 - std[73adb7dc35730857]::rt::lang_start_internal
[INFO] [stdout]                                at /rustc/6b3fa26749ab40e159b2dd5cf577acaaf5902772/library/std/src/rt.rs:171:5
[INFO] [stdout]   40:     0x5661c1a4aa47 - std[73adb7dc35730857]::rt::lang_start::<()>
[INFO] [stdout]                                at /rustc/6b3fa26749ab40e159b2dd5cf577acaaf5902772/library/std/src/rt.rs:205:5
[INFO] [stdout]   41:     0x5661c1a4ac7e - main
[INFO] [stdout]   42:     0x7a0e621f81ca - <unknown>
[INFO] [stdout]   43:     0x7a0e621f828b - __libc_start_main
[INFO] [stdout]   44:     0x5661c1a4a8a5 - _start
[INFO] [stdout]   45:                0x0 - <unknown>
[INFO] [stdout] ```
[INFO] [stdout] ```
[INFO] [stdout] command=`"/opt/rustwide/target/debug/head" "tests/head/inputs/empty.txt" "tests/head/inputs/one.txt" "tests/head/inputs/two.txt" "tests/head/inputs/three.txt" "tests/head/inputs/ten.txt"`
[INFO] [stdout] code=101
[INFO] [stdout] stdout=""
[INFO] [stdout] stderr=<90 lines total>
[INFO] [stdout] ```
[INFO] [stdout] 
[INFO] [stdout] thread \'main\' (3154) panicked at /opt/rustwide/cargo-home/registry/src/index.crates.io-1949cf8c6b5b557f/clap-3.2.25/src/parser/matches/arg_matches.rs:547:22:
[INFO] [stdout] Must use `Arg::allow_invalid_utf8` with `_os` lookups at `files`
[INFO] [stdout] stack backtrace:
[INFO] [stdout]    0:     0x5661c1bb7601 - std[73adb7dc35730857]::backtrace_rs::backtrace::libunwind::trace
[INFO] [stdout]                                at /rustc/6b3fa26749ab40e159b2dd5cf577acaaf5902772/library/std/src/../../backtrace/src/backtrace/libunwind.rs:117:9
[INFO] [stdout]    1:     0x5661c1bb7601 - std[73adb7dc35730857]::backtrace_rs::backtrace::trace_unsynchronized::<std[73adb7dc35730857]::sys::backtrace::_print_fmt::{closure#1}>
[INFO] [stdout]                                at /rustc/6b3fa26749ab40e159b2dd5cf577acaaf5902772/library/std/src/../../backtrace/src/backtrace/mod.rs:66:14
[INFO] [stdout]    2:     0x5661c1bb7601 - std[73adb7dc35730857]::sys::backtrace::_print_fmt
[INFO] [stdout]                                at /rustc/6b3fa26749ab40e159b2dd5cf577acaaf5902772/library/std/src/sys/backtrace.rs:74:9
[INFO] [stdout]    3:     0x5661c1bb7601 - <<std[73adb7dc35730857]::sys::backtrace::BacktraceLock>::print::DisplayBacktrace as core[6883ba1bc0fe4ed1]::fmt::Display>::fmt
[INFO] [stdout]                                at /rustc/6b3fa26749ab40e159b2dd5cf577acaaf5902772/library/std/src/sys/backtrace.rs:44:26
[INFO] [stdout]    4:     0x5661c1bcb28a - <core[6883ba1bc0fe4ed1]::fmt::rt::Argument>::fmt
[INFO] [stdout]                                at /rustc/6b3fa26749ab40e159b2dd5cf577acaaf5902772/library/core/src/fmt/rt.rs:152:76
[INFO] [stdout]    5:     0x5661c1bcb28a - core[6883ba1bc0fe4ed1]::fmt::write
[INFO] [stdout]    6:     0x5661c1bbccec - std[73adb7dc35730857]::io::default_write_fmt::<std[73adb7dc35730857]::sys::stdio::unix::Stderr>
[INFO] [stdout]                                at /rustc/6b3fa26749ab40e159b2dd5cf577acaaf5902772/library/std/src/io/mod.rs:626:11
[INFO] [stdout]    7:     0x5661c1bbccec - <std[73adb7dc35730857]::sys::stdio::unix::Stderr as std[73adb7dc35730857]::io::Write>::write_fmt
[INFO] [stdout]                                at /rustc/6b3fa26749ab40e159b2dd5cf577acaaf5902772/library/std/src/io/mod.rs:1730:13
[INFO] [stdout]    8:     0x5661c1ba1e16 - <std[73adb7dc35730857]::sys::backtrace::BacktraceLock>::print
[INFO] [stdout] ```
[INFO] [stdout] <30 lines omitted>
[INFO] [stdout] ```
[INFO] [stdout]                                at /rustc/6b3fa26749ab40e159b2dd5cf577acaaf5902772/library/alloc/src/vec/mod.rs:3941:9
[INFO] [stdout]   24:     0x5661c1a5108e - <core[6883ba1bc0fe4ed1]::iter::adapters::map::Map<core[6883ba1bc0fe4ed1]::iter::adapters::flatten::Flatten<core[6883ba1bc0fe4ed1]::slice::iter::Iter<alloc[55a36b64bcbf2c0d]::vec::Vec<clap[965b0170b9d3cf34]::parser::matches::any_value::AnyValue>>>, <clap[965b0170b9d3cf34]::parser::matches::arg_matches::ArgMatches>::values_of_lossy<&str>::{closure#0}> as core[6883ba1bc0fe4ed1]::iter::traits::iterator::Iterator>::collect::<alloc[55a36b64bcbf2c0d]::vec::Vec<alloc[55a36b64bcbf2c0d]::string::String>>
[INFO] [stdout]                                at /rustc/6b3fa26749ab40e159b2dd5cf577acaaf5902772/library/core/src/iter/traits/iterator.rs:2090:9
[INFO] [stdout]   25:     0x5661c1a4b166 - <clap[965b0170b9d3cf34]::parser::matches::arg_matches::ArgMatches>::values_of_lossy::<&str>
[INFO] [stdout]                                at /opt/rustwide/cargo-home/registry/src/index.crates.io-1949cf8c6b5b557f/clap-3.2.25/src/parser/matches/arg_matches.rs:548:14
[INFO] [stdout]   26:     0x5661c1a5518b - command_line_rust[2a7d65b3375657d0]::head::get_args
[INFO] [stdout]                                at /opt/rustwide/workdir/src/head/mod.rs:92:24
[INFO] [stdout]   27:     0x5661c1a4aad2 - head[5f62c2f9cff836a0]::main
[INFO] [stdout]                                at /opt/rustwide/workdir/src/head/main.rs:4:21
[INFO] [stdout]   28:     0x5661c1a4abeb - <fn() as core[6883ba1bc0fe4ed1]::ops::function::FnOnce<()>>::call_once
[INFO] [stdout]                                at /rustc/6b3fa26749ab40e159b2dd5cf577acaaf5902772/library/core/src/ops/function.rs:250:5
[INFO] [stdout]   29:     0x5661c1a4aa5e - std[73adb7dc35730857]::sys::backtrace::__rust_begin_short_backtrace::<fn(), ()>
[INFO] [stdout]                                at /rustc/6b3fa26749ab40e159b2dd5cf577acaaf5902772/library/std/src/sys/backtrace.rs:166:18
[INFO] [stdout]   30:     0x5661c1a4aa81 - std[73adb7dc35730857]::rt::lang_start::<()>::{closure#0}
[INFO] [stdout]                                at /rustc/6b3fa26749ab40e159b2dd5cf577acaaf5902772/library/std/src/rt.rs:206:18
[INFO] [stdout]   31:     0x5661c1bb2547 - <&dyn core[6883ba1bc0fe4ed1]::ops::function::Fn<(), Output = i32> + core[6883ba1bc0fe4ed1]::panic::unwind_safe::RefUnwindSafe + core[6883ba1bc0fe4ed1]::marker::Sync as core[6883ba1bc0fe4ed1]::ops::function::FnOnce<()>>::call_once
[INFO] [stdout]                                at /rustc/6b3fa26749ab40e159b2dd5cf577acaaf5902772/library/core/src/ops/function.rs:287:21
[INFO] [stdout]   32:     0x5661c1bb2547 - std[73adb7dc35730857]::panicking::catch_unwind::do_call::<&dyn core[6883ba1bc0fe4ed1]::ops::function::Fn<(), Output = i32> + core[6883ba1bc0fe4ed1]::panic::unwind_safe::RefUnwindSafe + core[6883ba1bc0fe4ed1]::marker::Sync, i32>
[INFO] [stdout]                                at /rustc/6b3fa26749ab40e159b2dd5cf577acaaf5902772/library/std/src/panicking.rs:576:43
[INFO] [stdout]   33:     0x5661c1bb2547 - std[73adb7dc35730857]::panicking::catch_unwind::<i32, &dyn core[6883ba1bc0fe4ed1]::ops::function::Fn<(), Output = i32> + core[6883ba1bc0fe4ed1]::panic::unwind_safe::RefUnwindSafe + core[6883ba1bc0fe4ed1]::marker::Sync>
[INFO] [stdout]                                at /rustc/6b3fa26749ab40e159b2dd5cf577acaaf5902772/library/std/src/panicking.rs:544:19
[INFO] [stdout]   34:     0x5661c1bb2547 - std[73adb7dc35730857]::panic::catch_unwind::<&dyn core[6883ba1bc0fe4ed1]::ops::function::Fn<(), Output = i32> + core[6883ba1bc0fe4ed1]::panic::unwind_safe::RefUnwindSafe + core[6883ba1bc0fe4ed1]::marker::Sync, i32>
[INFO] [stdout]                                at /rustc/6b3fa26749ab40e159b2dd5cf577acaaf5902772/library/std/src/panic.rs:359:14
[INFO] [stdout]   35:     0x5661c1bb2547 - std[73adb7dc35730857]::rt::lang_start_internal::{closure#0}
[INFO] [stdout]                                at /rustc/6b3fa26749ab40e159b2dd5cf577acaaf5902772/library/std/src/rt.rs:175:24
[INFO] [stdout]   36:     0x5661c1bb2547 - std[73adb7dc35730857]::panicking::catch_unwind::do_call::<std[73adb7dc35730857]::rt::lang_start_internal::{closure#0}, isize>
[INFO] [stdout]                                at /rustc/6b3fa26749ab40e159b2dd5cf577acaaf5902772/library/std/src/panicking.rs:576:43
[INFO] [stdout]   37:     0x5661c1bb2547 - std[73adb7dc35730857]::panicking::catch_unwind::<isize, std[73adb7dc35730857]::rt::lang_start_internal::{closure#0}>
[INFO] [stdout]                                at /rustc/6b3fa26749ab40e159b2dd5cf577acaaf5902772/library/std/src/panicking.rs:544:19
[INFO] [stdout]   38:     0x5661c1bb2547 - std[73adb7dc35730857]::panic::catch_unwind::<std[73adb7dc35730857]::rt::lang_start_internal::{closure#0}, isize>
[INFO] [stdout]                                at /rustc/6b3fa26749ab40e159b2dd5cf577acaaf5902772/library/std/src/panic.rs:359:14
[INFO] [stdout]   39:     0x5661c1bb2547 - std[73adb7dc35730857]::rt::lang_start_internal
[INFO] [stdout]                                at /rustc/6b3fa26749ab40e159b2dd5cf577acaaf5902772/library/std/src/rt.rs:171:5
[INFO] [stdout]   40:     0x5661c1a4aa47 - std[73adb7dc35730857]::rt::lang_start::<()>
[INFO] [stdout]                                at /rustc/6b3fa26749ab40e159b2dd5cf577acaaf5902772/library/std/src/rt.rs:205:5
[INFO] [stdout]   41:     0x5661c1a4ac7e - main
[INFO] [stdout]   42:     0x7a0e621f81ca - <unknown>
[INFO] [stdout]   43:     0x7a0e621f828b - __libc_start_main
[INFO] [stdout]   44:     0x5661c1a4a8a5 - _start
[INFO] [stdout]   45:                0x0 - <unknown>
[INFO] [stdout] ```
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] stack backtrace:
[INFO] [stdout]    0:     0x5c98fa0d5011 - std[73adb7dc35730857]::backtrace_rs::backtrace::libunwind::trace
[INFO] [stdout]                                at /rustc/6b3fa26749ab40e159b2dd5cf577acaaf5902772/library/std/src/../../backtrace/src/backtrace/libunwind.rs:117:9
[INFO] [stdout]    1:     0x5c98fa0d5011 - std[73adb7dc35730857]::backtrace_rs::backtrace::trace_unsynchronized::<std[73adb7dc35730857]::sys::backtrace::_print_fmt::{closure#1}>
[INFO] [stdout]                                at /rustc/6b3fa26749ab40e159b2dd5cf577acaaf5902772/library/std/src/../../backtrace/src/backtrace/mod.rs:66:14
[INFO] [stdout]    2:     0x5c98fa0d5011 - std[73adb7dc35730857]::sys::backtrace::_print_fmt
[INFO] [stdout]                                at /rustc/6b3fa26749ab40e159b2dd5cf577acaaf5902772/library/std/src/sys/backtrace.rs:74:9
[INFO] [stdout]    3:     0x5c98fa0d5011 - <<std[73adb7dc35730857]::sys::backtrace::BacktraceLock>::print::DisplayBacktrace as core[6883ba1bc0fe4ed1]::fmt::Display>::fmt
[INFO] [stdout]                                at /rustc/6b3fa26749ab40e159b2dd5cf577acaaf5902772/library/std/src/sys/backtrace.rs:44:26
[INFO] [stdout]    4:     0x5c98fa0eb71a - <core[6883ba1bc0fe4ed1]::fmt::rt::Argument>::fmt
[INFO] [stdout]                                at /rustc/6b3fa26749ab40e159b2dd5cf577acaaf5902772/library/core/src/fmt/rt.rs:152:76
[INFO] [stdout]    5:     0x5c98fa0eb71a - core[6883ba1bc0fe4ed1]::fmt::write
[INFO] [stdout]    6:     0x5c98fa0da99c - std[73adb7dc35730857]::io::default_write_fmt::<alloc[55a36b64bcbf2c0d]::vec::Vec<u8>>
[INFO] [stdout]                                at /rustc/6b3fa26749ab40e159b2dd5cf577acaaf5902772/library/std/src/io/mod.rs:626:11
[INFO] [stdout]    7:     0x5c98fa0da99c - <alloc[55a36b64bcbf2c0d]::vec::Vec<u8> as std[73adb7dc35730857]::io::Write>::write_fmt
[INFO] [stdout]                                at /rustc/6b3fa26749ab40e159b2dd5cf577acaaf5902772/library/std/src/io/mod.rs:1730:13
[INFO] [stdout]    8:     0x5c98fa0b2986 - <std[73adb7dc35730857]::sys::backtrace::BacktraceLock>::print
[INFO] [stdout]                                at /rustc/6b3fa26749ab40e159b2dd5cf577acaaf5902772/library/std/src/sys/backtrace.rs:47:9
[INFO] [stdout]    9:     0x5c98fa0b2986 - std[73adb7dc35730857]::panicking::default_hook::{closure#0}
[INFO] [stdout]                                at /rustc/6b3fa26749ab40e159b2dd5cf577acaaf5902772/library/std/src/panicking.rs:292:27
[INFO] [stdout]   10:     0x5c98fa0ccd09 - std[73adb7dc35730857]::panicking::default_hook
[INFO] [stdout]                                at /rustc/6b3fa26749ab40e159b2dd5cf577acaaf5902772/library/std/src/panicking.rs:316:9
[INFO] [stdout]   11:     0x5c98f9e5fc40 - <alloc[55a36b64bcbf2c0d]::boxed::Box<dyn for<'a, 'b> core[6883ba1bc0fe4ed1]::ops::function::Fn<(&'a std[73adb7dc35730857]::panic::PanicHookInfo<'b>,), Output = ()> + core[6883ba1bc0fe4ed1]::marker::Send + core[6883ba1bc0fe4ed1]::marker::Sync> as core[6883ba1bc0fe4ed1]::ops::function::Fn<(&std[73adb7dc35730857]::panic::PanicHookInfo,)>>::call
[INFO] [stdout]                                at /rustc/6b3fa26749ab40e159b2dd5cf577acaaf5902772/library/alloc/src/boxed.rs:2333:9
[INFO] [stdout]   12:     0x5c98f9e5fc40 - test[980ffaebd391d06d]::test_main_inner::<test[980ffaebd391d06d]::test_main_static::{closure#0}>::{closure#0}
[INFO] [stdout]                                at /rustc/6b3fa26749ab40e159b2dd5cf577acaaf5902772/library/test/src/lib.rs:155:21
[INFO] [stdout]   13:     0x5c98fa0ccec2 - <alloc[55a36b64bcbf2c0d]::boxed::Box<dyn for<'a, 'b> core[6883ba1bc0fe4ed1]::ops::function::Fn<(&'a std[73adb7dc35730857]::panic::PanicHookInfo<'b>,), Output = ()> + core[6883ba1bc0fe4ed1]::marker::Send + core[6883ba1bc0fe4ed1]::marker::Sync> as core[6883ba1bc0fe4ed1]::ops::function::Fn<(&std[73adb7dc35730857]::panic::PanicHookInfo,)>>::call
[INFO] [stdout]                                at /rustc/6b3fa26749ab40e159b2dd5cf577acaaf5902772/library/alloc/src/boxed.rs:2333:9
[INFO] [stdout]   14:     0x5c98fa0ccec2 - std[73adb7dc35730857]::panicking::panic_with_hook
[INFO] [stdout]                                at /rustc/6b3fa26749ab40e159b2dd5cf577acaaf5902772/library/std/src/panicking.rs:823:13
[INFO] [stdout]   15:     0x5c98fa0b2a32 - std[73adb7dc35730857]::panicking::panic_handler::{closure#0}
[INFO] [stdout]                                at /rustc/6b3fa26749ab40e159b2dd5cf577acaaf5902772/library/std/src/panicking.rs:688:13
[INFO] [stdout]   16:     0x5c98fa0aa1d9 - std[73adb7dc35730857]::sys::backtrace::__rust_end_short_backtrace::<std[73adb7dc35730857]::panicking::panic_handler::{closure#0}, !>
[INFO] [stdout]                                at /rustc/6b3fa26749ab40e159b2dd5cf577acaaf5902772/library/std/src/sys/backtrace.rs:182:18
[INFO] [stdout]   17:     0x5c98fa0b362d - __rustc[a7b7b02e776dd976]::rust_begin_unwind
[INFO] [stdout]                                at /rustc/6b3fa26749ab40e159b2dd5cf577acaaf5902772/library/std/src/panicking.rs:679:5
[INFO] [stdout]   18:     0x5c98fa0ebf9c - core[6883ba1bc0fe4ed1]::panicking::panic_fmt
[INFO] [stdout]                                at /rustc/6b3fa26749ab40e159b2dd5cf577acaaf5902772/library/core/src/panicking.rs:80:14
[INFO] [stdout]   19:     0x5c98fa03b8b8 - core[6883ba1bc0fe4ed1]::panicking::panic_display::<assert_cmd[35418449b5f7a4b8]::assert::AssertError>
[INFO] [stdout]                                at /rustc/6b3fa26749ab40e159b2dd5cf577acaaf5902772/library/core/src/panicking.rs:259:5
[INFO] [stdout]   20:     0x5c98fa0426c7 - <assert_cmd[35418449b5f7a4b8]::assert::AssertError>::panic::<assert_cmd[35418449b5f7a4b8]::assert::Assert>
[INFO] [stdout]                                at /opt/rustwide/cargo-home/registry/src/index.crates.io-1949cf8c6b5b557f/assert_cmd-2.0.11/src/assert.rs:1033:9
[INFO] [stdout]   21:     0x5c98fa038947 - <<assert_cmd[35418449b5f7a4b8]::assert::AssertError>::panic<assert_cmd[35418449b5f7a4b8]::assert::Assert> as core[6883ba1bc0fe4ed1]::ops::function::FnOnce<(assert_cmd[35418449b5f7a4b8]::assert::AssertError,)>>::call_once
[INFO] [stdout]                                at /rustc/6b3fa26749ab40e159b2dd5cf577acaaf5902772/library/core/src/ops/function.rs:250:5
[INFO] [stdout]   22:     0x5c98fa041dfb - <core[6883ba1bc0fe4ed1]::result::Result<assert_cmd[35418449b5f7a4b8]::assert::Assert, assert_cmd[35418449b5f7a4b8]::assert::AssertError>>::unwrap_or_else::<<assert_cmd[35418449b5f7a4b8]::assert::AssertError>::panic<assert_cmd[35418449b5f7a4b8]::assert::Assert>>
[INFO] [stdout]                                at /rustc/6b3fa26749ab40e159b2dd5cf577acaaf5902772/library/core/src/result.rs:1620:23
[INFO] [stdout]   23:     0x5c98fa0442a0 - <assert_cmd[35418449b5f7a4b8]::assert::Assert>::success
[INFO] [stdout]                                at /opt/rustwide/cargo-home/registry/src/index.crates.io-1949cf8c6b5b557f/assert_cmd-2.0.11/src/assert.rs:158:28
[INFO] [stdout]   24:     0x5c98f9e4c073 - lib[ef69c164f1f8dd99]::head::run
[INFO] [stdout]                                at /opt/rustwide/workdir/tests/head/mod.rs:105:10
[INFO] [stdout]   25:     0x5c98f9e4d4fe - lib[ef69c164f1f8dd99]::head::multiple_files
[INFO] [stdout]                                at /opt/rustwide/workdir/tests/head/mod.rs:376:5
[INFO] [stdout]   26:     0x5c98f9e47817 - lib[ef69c164f1f8dd99]::head::multiple_files::{closure#0}
[INFO] [stdout]                                at /opt/rustwide/workdir/tests/head/mod.rs:375:24
[INFO] [stdout]   27:     0x5c98f9e52256 - <lib[ef69c164f1f8dd99]::head::multiple_files::{closure#0} as core[6883ba1bc0fe4ed1]::ops::function::FnOnce<()>>::call_once
[INFO] [stdout]                                at /rustc/6b3fa26749ab40e159b2dd5cf577acaaf5902772/library/core/src/ops/function.rs:250:5
[INFO] [stdout]   28:     0x5c98f9e52f7b - <fn() -> core[6883ba1bc0fe4ed1]::result::Result<(), alloc[55a36b64bcbf2c0d]::string::String> as core[6883ba1bc0fe4ed1]::ops::function::FnOnce<()>>::call_once
[INFO] [stdout]                                at /rustc/6b3fa26749ab40e159b2dd5cf577acaaf5902772/library/core/src/ops/function.rs:250:5
[INFO] [stdout]   29:     0x5c98f9e52f7b - test[980ffaebd391d06d]::__rust_begin_short_backtrace::<core[6883ba1bc0fe4ed1]::result::Result<(), alloc[55a36b64bcbf2c0d]::string::String>, fn() -> core[6883ba1bc0fe4ed1]::result::Result<(), alloc[55a36b64bcbf2c0d]::string::String>>
[INFO] [stdout]                                at /rustc/6b3fa26749ab40e159b2dd5cf577acaaf5902772/library/test/src/lib.rs:724:18
[INFO] [stdout]   30:     0x5c98f9e605c5 - test[980ffaebd391d06d]::run_test_in_process::{closure#0}
[INFO] [stdout]                                at /rustc/6b3fa26749ab40e159b2dd5cf577acaaf5902772/library/test/src/lib.rs:747:74
[INFO] [stdout]   31:     0x5c98f9e605c5 - <core[6883ba1bc0fe4ed1]::panic::unwind_safe::AssertUnwindSafe<test[980ffaebd391d06d]::run_test_in_process::{closure#0}> as core[6883ba1bc0fe4ed1]::ops::function::FnOnce<()>>::call_once
[INFO] [stdout]                                at /rustc/6b3fa26749ab40e159b2dd5cf577acaaf5902772/library/core/src/panic/unwind_safe.rs:275:9
[INFO] [stdout]   32:     0x5c98f9e605c5 - std[73adb7dc35730857]::panicking::catch_unwind::do_call::<core[6883ba1bc0fe4ed1]::panic::unwind_safe::AssertUnwindSafe<test[980ffaebd391d06d]::run_test_in_process::{closure#0}>, core[6883ba1bc0fe4ed1]::result::Result<(), alloc[55a36b64bcbf2c0d]::string::String>>
[INFO] [stdout]                                at /rustc/6b3fa26749ab40e159b2dd5cf577acaaf5902772/library/std/src/panicking.rs:576:43
[INFO] [stdout]   33:     0x5c98f9e605c5 - std[73adb7dc35730857]::panicking::catch_unwind::<core[6883ba1bc0fe4ed1]::result::Result<(), alloc[55a36b64bcbf2c0d]::string::String>, core[6883ba1bc0fe4ed1]::panic::unwind_safe::AssertUnwindSafe<test[980ffaebd391d06d]::run_test_in_process::{closure#0}>>
[INFO] [stdout]                                at /rustc/6b3fa26749ab40e159b2dd5cf577acaaf5902772/library/std/src/panicking.rs:544:19
[INFO] [stdout]   34:     0x5c98f9e605c5 - std[73adb7dc35730857]::panic::catch_unwind::<core[6883ba1bc0fe4ed1]::panic::unwind_safe::AssertUnwindSafe<test[980ffaebd391d06d]::run_test_in_process::{closure#0}>, core[6883ba1bc0fe4ed1]::result::Result<(), alloc[55a36b64bcbf2c0d]::string::String>>
[INFO] [stdout]                                at /rustc/6b3fa26749ab40e159b2dd5cf577acaaf5902772/library/std/src/panic.rs:359:14
[INFO] [stdout]   35:     0x5c98f9e605c5 - test[980ffaebd391d06d]::run_test_in_process
[INFO] [stdout]                                at /rustc/6b3fa26749ab40e159b2dd5cf577acaaf5902772/library/test/src/lib.rs:747:27
[INFO] [stdout]   36:     0x5c98f9e605c5 - test[980ffaebd391d06d]::run_test::{closure#0}
[INFO] [stdout]                                at /rustc/6b3fa26749ab40e159b2dd5cf577acaaf5902772/library/test/src/lib.rs:668:43
[INFO] [stdout]   37:     0x5c98f9e5b074 - test[980ffaebd391d06d]::run_test::{closure#1}
[INFO] [stdout]                                at /rustc/6b3fa26749ab40e159b2dd5cf577acaaf5902772/library/test/src/lib.rs:698:41
[INFO] [stdout]   38:     0x5c98f9e5b074 - std[73adb7dc35730857]::sys::backtrace::__rust_begin_short_backtrace::<test[980ffaebd391d06d]::run_test::{closure#1}, ()>
[INFO] [stdout]                                at /rustc/6b3fa26749ab40e159b2dd5cf577acaaf5902772/library/std/src/sys/backtrace.rs:166:18
[INFO] [stdout]   39:     0x5c98f9e63712 - std[73adb7dc35730857]::thread::lifecycle::spawn_unchecked::<test[980ffaebd391d06d]::run_test::{closure#1}, ()>::{closure#1}::{closure#0}
[INFO] [stdout]                                at /rustc/6b3fa26749ab40e159b2dd5cf577acaaf5902772/library/std/src/thread/lifecycle.rs:70:13
[INFO] [stdout]   40:     0x5c98f9e63712 - <core[6883ba1bc0fe4ed1]::panic::unwind_safe::AssertUnwindSafe<std[73adb7dc35730857]::thread::lifecycle::spawn_unchecked<test[980ffaebd391d06d]::run_test::{closure#1}, ()>::{closure#1}::{closure#0}> as core[6883ba1bc0fe4ed1]::ops::function::FnOnce<()>>::call_once
[INFO] [stdout]                                at /rustc/6b3fa26749ab40e159b2dd5cf577acaaf5902772/library/core/src/panic/unwind_safe.rs:275:9
[INFO] [stdout]   41:     0x5c98f9e63712 - std[73adb7dc35730857]::panicking::catch_unwind::do_call::<core[6883ba1bc0fe4ed1]::panic::unwind_safe::AssertUnwindSafe<std[73adb7dc35730857]::thread::lifecycle::spawn_unchecked<test[980ffaebd391d06d]::run_test::{closure#1}, ()>::{closure#1}::{closure#0}>, ()>
[INFO] [stdout]                                at /rustc/6b3fa26749ab40e159b2dd5cf577acaaf5902772/library/std/src/panicking.rs:576:43
[INFO] [stdout]   42:     0x5c98f9e63712 - std[73adb7dc35730857]::panicking::catch_unwind::<(), core[6883ba1bc0fe4ed1]::panic::unwind_safe::AssertUnwindSafe<std[73adb7dc35730857]::thread::lifecycle::spawn_unchecked<test[980ffaebd391d06d]::run_test::{closure#1}, ()>::{closure#1}::{closure#0}>>
[INFO] [stdout]                                at /rustc/6b3fa26749ab40e159b2dd5cf577acaaf5902772/library/std/src/panicking.rs:544:19
[INFO] [stdout]   43:     0x5c98f9e63712 - std[73adb7dc35730857]::panic::catch_unwind::<core[6883ba1bc0fe4ed1]::panic::unwind_safe::AssertUnwindSafe<std[73adb7dc35730857]::thread::lifecycle::spawn_unchecked<test[980ffaebd391d06d]::run_test::{closure#1}, ()>::{closure#1}::{closure#0}>, ()>
[INFO] [stdout]                                at /rustc/6b3fa26749ab40e159b2dd5cf577acaaf5902772/library/std/src/panic.rs:359:14
[INFO] [stdout]   44:     0x5c98f9e63712 - std[73adb7dc35730857]::thread::lifecycle::spawn_unchecked::<test[980ffaebd391d06d]::run_test::{closure#1}, ()>::{closure#1}
[INFO] [stdout]                                at /rustc/6b3fa26749ab40e159b2dd5cf577acaaf5902772/library/std/src/thread/lifecycle.rs:68:26
[INFO] [stdout]   45:     0x5c98f9e63712 - <std[73adb7dc35730857]::thread::lifecycle::spawn_unchecked<test[980ffaebd391d06d]::run_test::{closure#1}, ()>::{closure#1} as core[6883ba1bc0fe4ed1]::ops::function::FnOnce<()>>::call_once::{shim:vtable#0}
[INFO] [stdout]                                at /rustc/6b3fa26749ab40e159b2dd5cf577acaaf5902772/library/core/src/ops/function.rs:250:5
[INFO] [stdout]   46:     0x5c98fa0d44af - <alloc[55a36b64bcbf2c0d]::boxed::Box<dyn core[6883ba1bc0fe4ed1]::ops::function::FnOnce<(), Output = ()> + core[6883ba1bc0fe4ed1]::marker::Send> as core[6883ba1bc0fe4ed1]::ops::function::FnOnce<()>>::call_once
[INFO] [stdout]                                at /rustc/6b3fa26749ab40e159b2dd5cf577acaaf5902772/library/alloc/src/boxed.rs:2319:9
[INFO] [stdout]   47:     0x5c98fa0d44af - <std[73adb7dc35730857]::sys::thread::unix::Thread>::new::thread_start
[INFO] [stdout]                                at /rustc/6b3fa26749ab40e159b2dd5cf577acaaf5902772/library/std/src/sys/thread/unix.rs:123:17
[INFO] [stdout]   48:     0x718092357aa4 - <unknown>
[INFO] [stdout]   49:     0x7180923e4a64 - clone
[INFO] [stdout]   50:                0x0 - <unknown>
[INFO] [stdout] 
[INFO] [stdout] ---- head::one_c1 stdout ----
[INFO] [stdout] 
[INFO] [stdout] thread 'head::one_c1' (3168) panicked at /rustc/6b3fa26749ab40e159b2dd5cf577acaaf5902772/library/core/src/ops/function.rs:250:5:
[INFO] [stdout] Unexpected failure.
[INFO] [stdout] code-101
[INFO] [stdout] stderr=```<90 lines total>
[INFO] [stdout] ```
[INFO] [stdout] 
[INFO] [stdout] thread \'main\' (3205) panicked at /opt/rustwide/cargo-home/registry/src/index.crates.io-1949cf8c6b5b557f/clap-3.2.25/src/parser/matches/arg_matches.rs:547:22:
[INFO] [stdout] Must use `Arg::allow_invalid_utf8` with `_os` lookups at `files`
[INFO] [stdout] stack backtrace:
[INFO] [stdout]    0:     0x5acedb4e4601 - std[73adb7dc35730857]::backtrace_rs::backtrace::libunwind::trace
[INFO] [stdout]                                at /rustc/6b3fa26749ab40e159b2dd5cf577acaaf5902772/library/std/src/../../backtrace/src/backtrace/libunwind.rs:117:9
[INFO] [stdout]    1:     0x5acedb4e4601 - std[73adb7dc35730857]::backtrace_rs::backtrace::trace_unsynchronized::<std[73adb7dc35730857]::sys::backtrace::_print_fmt::{closure#1}>
[INFO] [stdout]                                at /rustc/6b3fa26749ab40e159b2dd5cf577acaaf5902772/library/std/src/../../backtrace/src/backtrace/mod.rs:66:14
[INFO] [stdout]    2:     0x5acedb4e4601 - std[73adb7dc35730857]::sys::backtrace::_print_fmt
[INFO] [stdout]                                at /rustc/6b3fa26749ab40e159b2dd5cf577acaaf5902772/library/std/src/sys/backtrace.rs:74:9
[INFO] [stdout]    3:     0x5acedb4e4601 - <<std[73adb7dc35730857]::sys::backtrace::BacktraceLock>::print::DisplayBacktrace as core[6883ba1bc0fe4ed1]::fmt::Display>::fmt
[INFO] [stdout]                                at /rustc/6b3fa26749ab40e159b2dd5cf577acaaf5902772/library/std/src/sys/backtrace.rs:44:26
[INFO] [stdout]    4:     0x5acedb4f828a - <core[6883ba1bc0fe4ed1]::fmt::rt::Argument>::fmt
[INFO] [stdout]                                at /rustc/6b3fa26749ab40e159b2dd5cf577acaaf5902772/library/core/src/fmt/rt.rs:152:76
[INFO] [stdout]    5:     0x5acedb4f828a - core[6883ba1bc0fe4ed1]::fmt::write
[INFO] [stdout]    6:     0x5acedb4e9cec - std[73adb7dc35730857]::io::default_write_fmt::<std[73adb7dc35730857]::sys::stdio::unix::Stderr>
[INFO] [stdout]                                at /rustc/6b3fa26749ab40e159b2dd5cf577acaaf5902772/library/std/src/io/mod.rs:626:11
[INFO] [stdout]    7:     0x5acedb4e9cec - <std[73adb7dc35730857]::sys::stdio::unix::Stderr as std[73adb7dc35730857]::io::Write>::write_fmt
[INFO] [stdout]                                at /rustc/6b3fa26749ab40e159b2dd5cf577acaaf5902772/library/std/src/io/mod.rs:1730:13
[INFO] [stdout]    8:     0x5acedb4cee16 - <std[73adb7dc35730857]::sys::backtrace::BacktraceLock>::print
[INFO] [stdout] ```
[INFO] [stdout] <30 lines omitted>
[INFO] [stdout] ```
[INFO] [stdout]                                at /rustc/6b3fa26749ab40e159b2dd5cf577acaaf5902772/library/alloc/src/vec/mod.rs:3941:9
[INFO] [stdout]   24:     0x5acedb37e08e - <core[6883ba1bc0fe4ed1]::iter::adapters::map::Map<core[6883ba1bc0fe4ed1]::iter::adapters::flatten::Flatten<core[6883ba1bc0fe4ed1]::slice::iter::Iter<alloc[55a36b64bcbf2c0d]::vec::Vec<clap[965b0170b9d3cf34]::parser::matches::any_value::AnyValue>>>, <clap[965b0170b9d3cf34]::parser::matches::arg_matches::ArgMatches>::values_of_lossy<&str>::{closure#0}> as core[6883ba1bc0fe4ed1]::iter::traits::iterator::Iterator>::collect::<alloc[55a36b64bcbf2c0d]::vec::Vec<alloc[55a36b64bcbf2c0d]::string::String>>
[INFO] [stdout]                                at /rustc/6b3fa26749ab40e159b2dd5cf577acaaf5902772/library/core/src/iter/traits/iterator.rs:2090:9
[INFO] [stdout]   25:     0x5acedb378166 - <clap[965b0170b9d3cf34]::parser::matches::arg_matches::ArgMatches>::values_of_lossy::<&str>
[INFO] [stdout]                                at /opt/rustwide/cargo-home/registry/src/index.crates.io-1949cf8c6b5b557f/clap-3.2.25/src/parser/matches/arg_matches.rs:548:14
[INFO] [stdout]   26:     0x5acedb38218b - command_line_rust[2a7d65b3375657d0]::head::get_args
[INFO] [stdout]                                at /opt/rustwide/workdir/src/head/mod.rs:92:24
[INFO] [stdout]   27:     0x5acedb377ad2 - head[5f62c2f9cff836a0]::main
[INFO] [stdout]                                at /opt/rustwide/workdir/src/head/main.rs:4:21
[INFO] [stdout]   28:     0x5acedb377beb - <fn() as core[6883ba1bc0fe4ed1]::ops::function::FnOnce<()>>::call_once
[INFO] [stdout]                                at /rustc/6b3fa26749ab40e159b2dd5cf577acaaf5902772/library/core/src/ops/function.rs:250:5
[INFO] [stdout]   29:     0x5acedb377a5e - std[73adb7dc35730857]::sys::backtrace::__rust_begin_short_backtrace::<fn(), ()>
[INFO] [stdout]                                at /rustc/6b3fa26749ab40e159b2dd5cf577acaaf5902772/library/std/src/sys/backtrace.rs:166:18
[INFO] [stdout]   30:     0x5acedb377a81 - std[73adb7dc35730857]::rt::lang_start::<()>::{closure#0}
[INFO] [stdout]                                at /rustc/6b3fa26749ab40e159b2dd5cf577acaaf5902772/library/std/src/rt.rs:206:18
[INFO] [stdout]   31:     0x5acedb4df547 - <&dyn core[6883ba1bc0fe4ed1]::ops::function::Fn<(), Output = i32> + core[6883ba1bc0fe4ed1]::panic::unwind_safe::RefUnwindSafe + core[6883ba1bc0fe4ed1]::marker::Sync as core[6883ba1bc0fe4ed1]::ops::function::FnOnce<()>>::call_once
[INFO] [stdout]                                at /rustc/6b3fa26749ab40e159b2dd5cf577acaaf5902772/library/core/src/ops/function.rs:287:21
[INFO] [stdout]   32:     0x5acedb4df547 - std[73adb7dc35730857]::panicking::catch_unwind::do_call::<&dyn core[6883ba1bc0fe4ed1]::ops::function::Fn<(), Output = i32> + core[6883ba1bc0fe4ed1]::panic::unwind_safe::RefUnwindSafe + core[6883ba1bc0fe4ed1]::marker::Sync, i32>
[INFO] [stdout]                                at /rustc/6b3fa26749ab40e159b2dd5cf577acaaf5902772/library/std/src/panicking.rs:576:43
[INFO] [stdout]   33:     0x5acedb4df547 - std[73adb7dc35730857]::panicking::catch_unwind::<i32, &dyn core[6883ba1bc0fe4ed1]::ops::function::Fn<(), Output = i32> + core[6883ba1bc0fe4ed1]::panic::unwind_safe::RefUnwindSafe + core[6883ba1bc0fe4ed1]::marker::Sync>
[INFO] [stdout]                                at /rustc/6b3fa26749ab40e159b2dd5cf577acaaf5902772/library/std/src/panicking.rs:544:19
[INFO] [stdout]   34:     0x5acedb4df547 - std[73adb7dc35730857]::panic::catch_unwind::<&dyn core[6883ba1bc0fe4ed1]::ops::function::Fn<(), Output = i32> + core[6883ba1bc0fe4ed1]::panic::unwind_safe::RefUnwindSafe + core[6883ba1bc0fe4ed1]::marker::Sync, i32>
[INFO] [stdout]                                at /rustc/6b3fa26749ab40e159b2dd5cf577acaaf5902772/library/std/src/panic.rs:359:14
[INFO] [stdout]   35:     0x5acedb4df547 - std[73adb7dc35730857]::rt::lang_start_internal::{closure#0}
[INFO] [stdout]                                at /rustc/6b3fa26749ab40e159b2dd5cf577acaaf5902772/library/std/src/rt.rs:175:24
[INFO] [stdout]   36:     0x5acedb4df547 - std[73adb7dc35730857]::panicking::catch_unwind::do_call::<std[73adb7dc35730857]::rt::lang_start_internal::{closure#0}, isize>
[INFO] [stdout]                                at /rustc/6b3fa26749ab40e159b2dd5cf577acaaf5902772/library/std/src/panicking.rs:576:43
[INFO] [stdout]   37:     0x5acedb4df547 - std[73adb7dc35730857]::panicking::catch_unwind::<isize, std[73adb7dc35730857]::rt::lang_start_internal::{closure#0}>
[INFO] [stdout]                                at /rustc/6b3fa26749ab40e159b2dd5cf577acaaf5902772/library/std/src/panicking.rs:544:19
[INFO] [stdout]   38:     0x5acedb4df547 - std[73adb7dc35730857]::panic::catch_unwind::<std[73adb7dc35730857]::rt::lang_start_internal::{closure#0}, isize>
[INFO] [stdout]                                at /rustc/6b3fa26749ab40e159b2dd5cf577acaaf5902772/library/std/src/panic.rs:359:14
[INFO] [stdout]   39:     0x5acedb4df547 - std[73adb7dc35730857]::rt::lang_start_internal
[INFO] [stdout]                                at /rustc/6b3fa26749ab40e159b2dd5cf577acaaf5902772/library/std/src/rt.rs:171:5
[INFO] [stdout]   40:     0x5acedb377a47 - std[73adb7dc35730857]::rt::lang_start::<()>
[INFO] [stdout]                                at /rustc/6b3fa26749ab40e159b2dd5cf577acaaf5902772/library/std/src/rt.rs:205:5
[INFO] [stdout]   41:     0x5acedb377c7e - main
[INFO] [stdout]   42:     0x7d2f8dbe71ca - <unknown>
[INFO] [stdout]   43:     0x7d2f8dbe728b - __libc_start_main
[INFO] [stdout]   44:     0x5acedb3778a5 - _start
[INFO] [stdout]   45:                0x0 - <unknown>
[INFO] [stdout] ```
[INFO] [stdout] ```
[INFO] [stdout] command=`"/opt/rustwide/target/debug/head" "tests/head/inputs/one.txt" "-c" "1"`
[INFO] [stdout] code=101
[INFO] [stdout] stdout=""
[INFO] [stdout] stderr=<90 lines total>
[INFO] [stdout] ```
[INFO] [stdout] 
[INFO] [stdout] thread \'main\' (3205) panicked at /opt/rustwide/cargo-home/registry/src/index.crates.io-1949cf8c6b5b557f/clap-3.2.25/src/parser/matches/arg_matches.rs:547:22:
[INFO] [stdout] Must use `Arg::allow_invalid_utf8` with `_os` lookups at `files`
[INFO] [stdout] stack backtrace:
[INFO] [stdout]    0:     0x5acedb4e4601 - std[73adb7dc35730857]::backtrace_rs::backtrace::libunwind::trace
[INFO] [stdout]                                at /rustc/6b3fa26749ab40e159b2dd5cf577acaaf5902772/library/std/src/../../backtrace/src/backtrace/libunwind.rs:117:9
[INFO] [stdout]    1:     0x5acedb4e4601 - std[73adb7dc35730857]::backtrace_rs::backtrace::trace_unsynchronized::<std[73adb7dc35730857]::sys::backtrace::_print_fmt::{closure#1}>
[INFO] [stdout]                                at /rustc/6b3fa26749ab40e159b2dd5cf577acaaf5902772/library/std/src/../../backtrace/src/backtrace/mod.rs:66:14
[INFO] [stdout]    2:     0x5acedb4e4601 - std[73adb7dc35730857]::sys::backtrace::_print_fmt
[INFO] [stdout]                                at /rustc/6b3fa26749ab40e159b2dd5cf577acaaf5902772/library/std/src/sys/backtrace.rs:74:9
[INFO] [stdout]    3:     0x5acedb4e4601 - <<std[73adb7dc35730857]::sys::backtrace::BacktraceLock>::print::DisplayBacktrace as core[6883ba1bc0fe4ed1]::fmt::Display>::fmt
[INFO] [stdout]                                at /rustc/6b3fa26749ab40e159b2dd5cf577acaaf5902772/library/std/src/sys/backtrace.rs:44:26
[INFO] [stdout]    4:     0x5acedb4f828a - <core[6883ba1bc0fe4ed1]::fmt::rt::Argument>::fmt
[INFO] [stdout]                                at /rustc/6b3fa26749ab40e159b2dd5cf577acaaf5902772/library/core/src/fmt/rt.rs:152:76
[INFO] [stdout]    5:     0x5acedb4f828a - core[6883ba1bc0fe4ed1]::fmt::write
[INFO] [stdout]    6:     0x5acedb4e9cec - std[73adb7dc35730857]::io::default_write_fmt::<std[73adb7dc35730857]::sys::stdio::unix::Stderr>
[INFO] [stdout]                                at /rustc/6b3fa26749ab40e159b2dd5cf577acaaf5902772/library/std/src/io/mod.rs:626:11
[INFO] [stdout]    7:     0x5acedb4e9cec - <std[73adb7dc35730857]::sys::stdio::unix::Stderr as std[73adb7dc35730857]::io::Write>::write_fmt
[INFO] [stdout]                                at /rustc/6b3fa26749ab40e159b2dd5cf577acaaf5902772/library/std/src/io/mod.rs:1730:13
[INFO] [stdout]    8:     0x5acedb4cee16 - <std[73adb7dc35730857]::sys::backtrace::BacktraceLock>::print
[INFO] [stdout] ```
[INFO] [stdout] <30 lines omitted>
[INFO] [stdout] ```
[INFO] [stdout]                                at /rustc/6b3fa26749ab40e159b2dd5cf577acaaf5902772/library/alloc/src/vec/mod.rs:3941:9
[INFO] [stdout]   24:     0x5acedb37e08e - <core[6883ba1bc0fe4ed1]::iter::adapters::map::Map<core[6883ba1bc0fe4ed1]::iter::adapters::flatten::Flatten<core[6883ba1bc0fe4ed1]::slice::iter::Iter<alloc[55a36b64bcbf2c0d]::vec::Vec<clap[965b0170b9d3cf34]::parser::matches::any_value::AnyValue>>>, <clap[965b0170b9d3cf34]::parser::matches::arg_matches::ArgMatches>::values_of_lossy<&str>::{closure#0}> as core[6883ba1bc0fe4ed1]::iter::traits::iterator::Iterator>::collect::<alloc[55a36b64bcbf2c0d]::vec::Vec<alloc[55a36b64bcbf2c0d]::string::String>>
[INFO] [stdout]                                at /rustc/6b3fa26749ab40e159b2dd5cf577acaaf5902772/library/core/src/iter/traits/iterator.rs:2090:9
[INFO] [stdout]   25:     0x5acedb378166 - <clap[965b0170b9d3cf34]::parser::matches::arg_matches::ArgMatches>::values_of_lossy::<&str>
[INFO] [stdout]                                at /opt/rustwide/cargo-home/registry/src/index.crates.io-1949cf8c6b5b557f/clap-3.2.25/src/parser/matches/arg_matches.rs:548:14
[INFO] [stdout]   26:     0x5acedb38218b - command_line_rust[2a7d65b3375657d0]::head::get_args
[INFO] [stdout]                                at /opt/rustwide/workdir/src/head/mod.rs:92:24
[INFO] [stdout]   27:     0x5acedb377ad2 - head[5f62c2f9cff836a0]::main
[INFO] [stdout]                                at /opt/rustwide/workdir/src/head/main.rs:4:21
[INFO] [stdout]   28:     0x5acedb377beb - <fn() as core[6883ba1bc0fe4ed1]::ops::function::FnOnce<()>>::call_once
[INFO] [stdout]                                at /rustc/6b3fa26749ab40e159b2dd5cf577acaaf5902772/library/core/src/ops/function.rs:250:5
[INFO] [stdout]   29:     0x5acedb377a5e - std[73adb7dc35730857]::sys::backtrace::__rust_begin_short_backtrace::<fn(), ()>
[INFO] [stdout]                                at /rustc/6b3fa26749ab40e159b2dd5cf577acaaf5902772/library/std/src/sys/backtrace.rs:166:18
[INFO] [stdout]   30:     0x5acedb377a81 - std[73adb7dc35730857]::rt::lang_start::<()>::{closure#0}
[INFO] [stdout]                                at /rustc/6b3fa26749ab40e159b2dd5cf577acaaf5902772/library/std/src/rt.rs:206:18
[INFO] [stdout]   31:     0x5acedb4df547 - <&dyn core[6883ba1bc0fe4ed1]::ops::function::Fn<(), Output = i32> + core[6883ba1bc0fe4ed1]::panic::unwind_safe::RefUnwindSafe + core[6883ba1bc0fe4ed1]::marker::Sync as core[6883ba1bc0fe4ed1]::ops::function::FnOnce<()>>::call_once
[INFO] [stdout]                                at /rustc/6b3fa26749ab40e159b2dd5cf577acaaf5902772/library/core/src/ops/function.rs:287:21
[INFO] [stdout]   32:     0x5acedb4df547 - std[73adb7dc35730857]::panicking::catch_unwind::do_call::<&dyn core[6883ba1bc0fe4ed1]::ops::function::Fn<(), Output = i32> + core[6883ba1bc0fe4ed1]::panic::unwind_safe::RefUnwindSafe + core[6883ba1bc0fe4ed1]::marker::Sync, i32>
[INFO] [stdout]                                at /rustc/6b3fa26749ab40e159b2dd5cf577acaaf5902772/library/std/src/panicking.rs:576:43
[INFO] [stdout]   33:     0x5acedb4df547 - std[73adb7dc35730857]::panicking::catch_unwind::<i32, &dyn core[6883ba1bc0fe4ed1]::ops::function::Fn<(), Output = i32> + core[6883ba1bc0fe4ed1]::panic::unwind_safe::RefUnwindSafe + core[6883ba1bc0fe4ed1]::marker::Sync>
[INFO] [stdout]                                at /rustc/6b3fa26749ab40e159b2dd5cf577acaaf5902772/library/std/src/panicking.rs:544:19
[INFO] [stdout]   34:     0x5acedb4df547 - std[73adb7dc35730857]::panic::catch_unwind::<&dyn core[6883ba1bc0fe4ed1]::ops::function::Fn<(), Output = i32> + core[6883ba1bc0fe4ed1]::panic::unwind_safe::RefUnwindSafe + core[6883ba1bc0fe4ed1]::marker::Sync, i32>
[INFO] [stdout]                                at /rustc/6b3fa26749ab40e159b2dd5cf577acaaf5902772/library/std/src/panic.rs:359:14
[INFO] [stdout]   35:     0x5acedb4df547 - std[73adb7dc35730857]::rt::lang_start_internal::{closure#0}
[INFO] [stdout]                                at /rustc/6b3fa26749ab40e159b2dd5cf577acaaf5902772/library/std/src/rt.rs:175:24
[INFO] [stdout]   36:     0x5acedb4df547 - std[73adb7dc35730857]::panicking::catch_unwind::do_call::<std[73adb7dc35730857]::rt::lang_start_internal::{closure#0}, isize>
[INFO] [stdout]                                at /rustc/6b3fa26749ab40e159b2dd5cf577acaaf5902772/library/std/src/panicking.rs:576:43
[INFO] [stdout]   37:     0x5acedb4df547 - std[73adb7dc35730857]::panicking::catch_unwind::<isize, std[73adb7dc35730857]::rt::lang_start_internal::{closure#0}>
[INFO] [stdout]                                at /rustc/6b3fa26749ab40e159b2dd5cf577acaaf5902772/library/std/src/panicking.rs:544:19
[INFO] [stdout]   38:     0x5acedb4df547 - std[73adb7dc35730857]::panic::catch_unwind::<std[73adb7dc35730857]::rt::lang_start_internal::{closure#0}, isize>
[INFO] [stdout]                                at /rustc/6b3fa26749ab40e159b2dd5cf577acaaf5902772/library/std/src/panic.rs:359:14
[INFO] [stdout]   39:     0x5acedb4df547 - std[73adb7dc35730857]::rt::lang_start_internal
[INFO] [stdout]                                at /rustc/6b3fa26749ab40e159b2dd5cf577acaaf5902772/library/std/src/rt.rs:171:5
[INFO] [stdout]   40:     0x5acedb377a47 - std[73adb7dc35730857]::rt::lang_start::<()>
[INFO] [stdout]                                at /rustc/6b3fa26749ab40e159b2dd5cf577acaaf5902772/library/std/src/rt.rs:205:5
[INFO] [stdout]   41:     0x5acedb377c7e - main
[INFO] [stdout]   42:     0x7d2f8dbe71ca - <unknown>
[INFO] [stdout]   43:     0x7d2f8dbe728b - __libc_start_main
[INFO] [stdout]   44:     0x5acedb3778a5 - _start
[INFO] [stdout]   45:                0x0 - <unknown>
[INFO] [stdout] ```
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] stack backtrace:
[INFO] [stdout]    0:     0x5c98fa0d5011 - std[73adb7dc35730857]::backtrace_rs::backtrace::libunwind::trace
[INFO] [stdout]                                at /rustc/6b3fa26749ab40e159b2dd5cf577acaaf5902772/library/std/src/../../backtrace/src/backtrace/libunwind.rs:117:9
[INFO] [stdout]    1:     0x5c98fa0d5011 - std[73adb7dc35730857]::backtrace_rs::backtrace::trace_unsynchronized::<std[73adb7dc35730857]::sys::backtrace::_print_fmt::{closure#1}>
[INFO] [stdout]                                at /rustc/6b3fa26749ab40e159b2dd5cf577acaaf5902772/library/std/src/../../backtrace/src/backtrace/mod.rs:66:14
[INFO] [stdout]    2:     0x5c98fa0d5011 - std[73adb7dc35730857]::sys::backtrace::_print_fmt
[INFO] [stdout]                                at /rustc/6b3fa26749ab40e159b2dd5cf577acaaf5902772/library/std/src/sys/backtrace.rs:74:9
[INFO] [stdout]    3:     0x5c98fa0d5011 - <<std[73adb7dc35730857]::sys::backtrace::BacktraceLock>::print::DisplayBacktrace as core[6883ba1bc0fe4ed1]::fmt::Display>::fmt
[INFO] [stdout]                                at /rustc/6b3fa26749ab40e159b2dd5cf577acaaf5902772/library/std/src/sys/backtrace.rs:44:26
[INFO] [stdout]    4:     0x5c98fa0eb71a - <core[6883ba1bc0fe4ed1]::fmt::rt::Argument>::fmt
[INFO] [stdout]                                at /rustc/6b3fa26749ab40e159b2dd5cf577acaaf5902772/library/core/src/fmt/rt.rs:152:76
[INFO] [stdout]    5:     0x5c98fa0eb71a - core[6883ba1bc0fe4ed1]::fmt::write
[INFO] [stdout]    6:     0x5c98fa0da99c - std[73adb7dc35730857]::io::default_write_fmt::<alloc[55a36b64bcbf2c0d]::vec::Vec<u8>>
[INFO] [stdout]                                at /rustc/6b3fa26749ab40e159b2dd5cf577acaaf5902772/library/std/src/io/mod.rs:626:11
[INFO] [stdout]    7:     0x5c98fa0da99c - <alloc[55a36b64bcbf2c0d]::vec::Vec<u8> as std[73adb7dc35730857]::io::Write>::write_fmt
[INFO] [stdout]                                at /rustc/6b3fa26749ab40e159b2dd5cf577acaaf5902772/library/std/src/io/mod.rs:1730:13
[INFO] [stdout]    8:     0x5c98fa0b2986 - <std[73adb7dc35730857]::sys::backtrace::BacktraceLock>::print
[INFO] [stdout]                                at /rustc/6b3fa26749ab40e159b2dd5cf577acaaf5902772/library/std/src/sys/backtrace.rs:47:9
[INFO] [stdout]    9:     0x5c98fa0b2986 - std[73adb7dc35730857]::panicking::default_hook::{closure#0}
[INFO] [stdout]                                at /rustc/6b3fa26749ab40e159b2dd5cf577acaaf5902772/library/std/src/panicking.rs:292:27
[INFO] [stdout]   10:     0x5c98fa0ccd09 - std[73adb7dc35730857]::panicking::default_hook
[INFO] [stdout]                                at /rustc/6b3fa26749ab40e159b2dd5cf577acaaf5902772/library/std/src/panicking.rs:316:9
[INFO] [stdout]   11:     0x5c98f9e5fc40 - <alloc[55a36b64bcbf2c0d]::boxed::Box<dyn for<'a, 'b> core[6883ba1bc0fe4ed1]::ops::function::Fn<(&'a std[73adb7dc35730857]::panic::PanicHookInfo<'b>,), Output = ()> + core[6883ba1bc0fe4ed1]::marker::Send + core[6883ba1bc0fe4ed1]::marker::Sync> as core[6883ba1bc0fe4ed1]::ops::function::Fn<(&std[73adb7dc35730857]::panic::PanicHookInfo,)>>::call
[INFO] [stdout]                                at /rustc/6b3fa26749ab40e159b2dd5cf577acaaf5902772/library/alloc/src/boxed.rs:2333:9
[INFO] [stdout]   12:     0x5c98f9e5fc40 - test[980ffaebd391d06d]::test_main_inner::<test[980ffaebd391d06d]::test_main_static::{closure#0}>::{closure#0}
[INFO] [stdout]                                at /rustc/6b3fa26749ab40e159b2dd5cf577acaaf5902772/library/test/src/lib.rs:155:21
[INFO] [stdout]   13:     0x5c98fa0ccec2 - <alloc[55a36b64bcbf2c0d]::boxed::Box<dyn for<'a, 'b> core[6883ba1bc0fe4ed1]::ops::function::Fn<(&'a std[73adb7dc35730857]::panic::PanicHookInfo<'b>,), Output = ()> + core[6883ba1bc0fe4ed1]::marker::Send + core[6883ba1bc0fe4ed1]::marker::Sync> as core[6883ba1bc0fe4ed1]::ops::function::Fn<(&std[73adb7dc35730857]::panic::PanicHookInfo,)>>::call
[INFO] [stdout]                                at /rustc/6b3fa26749ab40e159b2dd5cf577acaaf5902772/library/alloc/src/boxed.rs:2333:9
[INFO] [stdout]   14:     0x5c98fa0ccec2 - std[73adb7dc35730857]::panicking::panic_with_hook
[INFO] [stdout]                                at /rustc/6b3fa26749ab40e159b2dd5cf577acaaf5902772/library/std/src/panicking.rs:823:13
[INFO] [stdout]   15:     0x5c98fa0b2a32 - std[73adb7dc35730857]::panicking::panic_handler::{closure#0}
[INFO] [stdout]                                at /rustc/6b3fa26749ab40e159b2dd5cf577acaaf5902772/library/std/src/panicking.rs:688:13
[INFO] [stdout]   16:     0x5c98fa0aa1d9 - std[73adb7dc35730857]::sys::backtrace::__rust_end_short_backtrace::<std[73adb7dc35730857]::panicking::panic_handler::{closure#0}, !>
[INFO] [stdout]                                at /rustc/6b3fa26749ab40e159b2dd5cf577acaaf5902772/library/std/src/sys/backtrace.rs:182:18
[INFO] [stdout]   17:     0x5c98fa0b362d - __rustc[a7b7b02e776dd976]::rust_begin_unwind
[INFO] [stdout]                                at /rustc/6b3fa26749ab40e159b2dd5cf577acaaf5902772/library/std/src/panicking.rs:679:5
[INFO] [stdout]   18:     0x5c98fa0ebf9c - core[6883ba1bc0fe4ed1]::panicking::panic_fmt
[INFO] [stdout]                                at /rustc/6b3fa26749ab40e159b2dd5cf577acaaf5902772/library/core/src/panicking.rs:80:14
[INFO] [stdout]   19:     0x5c98fa03b8b8 - core[6883ba1bc0fe4ed1]::panicking::panic_display::<assert_cmd[35418449b5f7a4b8]::assert::AssertError>
[INFO] [stdout]                                at /rustc/6b3fa26749ab40e159b2dd5cf577acaaf5902772/library/core/src/panicking.rs:259:5
[INFO] [stdout]   20:     0x5c98fa0426c7 - <assert_cmd[35418449b5f7a4b8]::assert::AssertError>::panic::<assert_cmd[35418449b5f7a4b8]::assert::Assert>
[INFO] [stdout]                                at /opt/rustwide/cargo-home/registry/src/index.crates.io-1949cf8c6b5b557f/assert_cmd-2.0.11/src/assert.rs:1033:9
[INFO] [stdout]   21:     0x5c98fa038947 - <<assert_cmd[35418449b5f7a4b8]::assert::AssertError>::panic<assert_cmd[35418449b5f7a4b8]::assert::Assert> as core[6883ba1bc0fe4ed1]::ops::function::FnOnce<(assert_cmd[35418449b5f7a4b8]::assert::AssertError,)>>::call_once
[INFO] [stdout]                                at /rustc/6b3fa26749ab40e159b2dd5cf577acaaf5902772/library/core/src/ops/function.rs:250:5
[INFO] [stdout]   22:     0x5c98fa041dfb - <core[6883ba1bc0fe4ed1]::result::Result<assert_cmd[35418449b5f7a4b8]::assert::Assert, assert_cmd[35418449b5f7a4b8]::assert::AssertError>>::unwrap_or_else::<<assert_cmd[35418449b5f7a4b8]::assert::AssertError>::panic<assert_cmd[35418449b5f7a4b8]::assert::Assert>>
[INFO] [stdout]                                at /rustc/6b3fa26749ab40e159b2dd5cf577acaaf5902772/library/core/src/result.rs:1620:23
[INFO] [stdout]   23:     0x5c98fa0442a0 - <assert_cmd[35418449b5f7a4b8]::assert::Assert>::success
[INFO] [stdout]                                at /opt/rustwide/cargo-home/registry/src/index.crates.io-1949cf8c6b5b557f/assert_cmd-2.0.11/src/assert.rs:158:28
[INFO] [stdout]   24:     0x5c98f9e4c073 - lib[ef69c164f1f8dd99]::head::run
[INFO] [stdout]                                at /opt/rustwide/workdir/tests/head/mod.rs:105:10
[INFO] [stdout]   25:     0x5c98f9e4df3e - lib[ef69c164f1f8dd99]::head::one_c1
[INFO] [stdout]                                at /opt/rustwide/workdir/tests/head/mod.rs:177:5
[INFO] [stdout]   26:     0x5c98f9e47b47 - lib[ef69c164f1f8dd99]::head::one_c1::{closure#0}
[INFO] [stdout]                                at /opt/rustwide/workdir/tests/head/mod.rs:176:16
[INFO] [stdout]   27:     0x5c98f9e52696 - <lib[ef69c164f1f8dd99]::head::one_c1::{closure#0} as core[6883ba1bc0fe4ed1]::ops::function::FnOnce<()>>::call_once
[INFO] [stdout]                                at /rustc/6b3fa26749ab40e159b2dd5cf577acaaf5902772/library/core/src/ops/function.rs:250:5
[INFO] [stdout]   28:     0x5c98f9e52f7b - <fn() -> core[6883ba1bc0fe4ed1]::result::Result<(), alloc[55a36b64bcbf2c0d]::string::String> as core[6883ba1bc0fe4ed1]::ops::function::FnOnce<()>>::call_once
[INFO] [stdout]                                at /rustc/6b3fa26749ab40e159b2dd5cf577acaaf5902772/library/core/src/ops/function.rs:250:5
[INFO] [stdout]   29:     0x5c98f9e52f7b - test[980ffaebd391d06d]::__rust_begin_short_backtrace::<core[6883ba1bc0fe4ed1]::result::Result<(), alloc[55a36b64bcbf2c0d]::string::String>, fn() -> core[6883ba1bc0fe4ed1]::result::Result<(), alloc[55a36b64bcbf2c0d]::string::String>>
[INFO] [stdout]                                at /rustc/6b3fa26749ab40e159b2dd5cf577acaaf5902772/library/test/src/lib.rs:724:18
[INFO] [stdout]   30:     0x5c98f9e605c5 - test[980ffaebd391d06d]::run_test_in_process::{closure#0}
[INFO] [stdout]                                at /rustc/6b3fa26749ab40e159b2dd5cf577acaaf5902772/library/test/src/lib.rs:747:74
[INFO] [stdout]   31:     0x5c98f9e605c5 - <core[6883ba1bc0fe4ed1]::panic::unwind_safe::AssertUnwindSafe<test[980ffaebd391d06d]::run_test_in_process::{closure#0}> as core[6883ba1bc0fe4ed1]::ops::function::FnOnce<()>>::call_once
[INFO] [stdout]                                at /rustc/6b3fa26749ab40e159b2dd5cf577acaaf5902772/library/core/src/panic/unwind_safe.rs:275:9
[INFO] [stdout]   32:     0x5c98f9e605c5 - std[73adb7dc35730857]::panicking::catch_unwind::do_call::<core[6883ba1bc0fe4ed1]::panic::unwind_safe::AssertUnwindSafe<test[980ffaebd391d06d]::run_test_in_process::{closure#0}>, core[6883ba1bc0fe4ed1]::result::Result<(), alloc[55a36b64bcbf2c0d]::string::String>>
[INFO] [stdout]                                at /rustc/6b3fa26749ab40e159b2dd5cf577acaaf5902772/library/std/src/panicking.rs:576:43
[INFO] [stdout]   33:     0x5c98f9e605c5 - std[73adb7dc35730857]::panicking::catch_unwind::<core[6883ba1bc0fe4ed1]::result::Result<(), alloc[55a36b64bcbf2c0d]::string::String>, core[6883ba1bc0fe4ed1]::panic::unwind_safe::AssertUnwindSafe<test[980ffaebd391d06d]::run_test_in_process::{closure#0}>>
[INFO] [stdout]                                at /rustc/6b3fa26749ab40e159b2dd5cf577acaaf5902772/library/std/src/panicking.rs:544:19
[INFO] [stdout]   34:     0x5c98f9e605c5 - std[73adb7dc35730857]::panic::catch_unwind::<core[6883ba1bc0fe4ed1]::panic::unwind_safe::AssertUnwindSafe<test[980ffaebd391d06d]::run_test_in_process::{closure#0}>, core[6883ba1bc0fe4ed1]::result::Result<(), alloc[55a36b64bcbf2c0d]::string::String>>
[INFO] [stdout]                                at /rustc/6b3fa26749ab40e159b2dd5cf577acaaf5902772/library/std/src/panic.rs:359:14
[INFO] [stdout]   35:     0x5c98f9e605c5 - test[980ffaebd391d06d]::run_test_in_process
[INFO] [stdout]                                at /rustc/6b3fa26749ab40e159b2dd5cf577acaaf5902772/library/test/src/lib.rs:747:27
[INFO] [stdout]   36:     0x5c98f9e605c5 - test[980ffaebd391d06d]::run_test::{closure#0}
[INFO] [stdout]                                at /rustc/6b3fa26749ab40e159b2dd5cf577acaaf5902772/library/test/src/lib.rs:668:43
[INFO] [stdout]   37:     0x5c98f9e5b074 - test[980ffaebd391d06d]::run_test::{closure#1}
[INFO] [stdout]                                at /rustc/6b3fa26749ab40e159b2dd5cf577acaaf5902772/library/test/src/lib.rs:698:41
[INFO] [stdout]   38:     0x5c98f9e5b074 - std[73adb7dc35730857]::sys::backtrace::__rust_begin_short_backtrace::<test[980ffaebd391d06d]::run_test::{closure#1}, ()>
[INFO] [stdout]                                at /rustc/6b3fa26749ab40e159b2dd5cf577acaaf5902772/library/std/src/sys/backtrace.rs:166:18
[INFO] [stdout]   39:     0x5c98f9e63712 - std[73adb7dc35730857]::thread::lifecycle::spawn_unchecked::<test[980ffaebd391d06d]::run_test::{closure#1}, ()>::{closure#1}::{closure#0}
[INFO] [stdout]                                at /rustc/6b3fa26749ab40e159b2dd5cf577acaaf5902772/library/std/src/thread/lifecycle.rs:70:13
[INFO] [stdout]   40:     0x5c98f9e63712 - <core[6883ba1bc0fe4ed1]::panic::unwind_safe::AssertUnwindSafe<std[73adb7dc35730857]::thread::lifecycle::spawn_unchecked<test[980ffaebd391d06d]::run_test::{closure#1}, ()>::{closure#1}::{closure#0}> as core[6883ba1bc0fe4ed1]::ops::function::FnOnce<()>>::call_once
[INFO] [stdout]                                at /rustc/6b3fa26749ab40e159b2dd5cf577acaaf5902772/library/core/src/panic/unwind_safe.rs:275:9
[INFO] [stdout]   41:     0x5c98f9e63712 - std[73adb7dc35730857]::panicking::catch_unwind::do_call::<core[6883ba1bc0fe4ed1]::panic::unwind_safe::AssertUnwindSafe<std[73adb7dc35730857]::thread::lifecycle::spawn_unchecked<test[980ffaebd391d06d]::run_test::{closure#1}, ()>::{closure#1}::{closure#0}>, ()>
[INFO] [stdout]                                at /rustc/6b3fa26749ab40e159b2dd5cf577acaaf5902772/library/std/src/panicking.rs:576:43
[INFO] [stdout]   42:     0x5c98f9e63712 - std[73adb7dc35730857]::panicking::catch_unwind::<(), core[6883ba1bc0fe4ed1]::panic::unwind_safe::AssertUnwindSafe<std[73adb7dc35730857]::thread::lifecycle::spawn_unchecked<test[980ffaebd391d06d]::run_test::{closure#1}, ()>::{closure#1}::{closure#0}>>
[INFO] [stdout]                                at /rustc/6b3fa26749ab40e159b2dd5cf577acaaf5902772/library/std/src/panicking.rs:544:19
[INFO] [stdout]   43:     0x5c98f9e63712 - std[73adb7dc35730857]::panic::catch_unwind::<core[6883ba1bc0fe4ed1]::panic::unwind_safe::AssertUnwindSafe<std[73adb7dc35730857]::thread::lifecycle::spawn_unchecked<test[980ffaebd391d06d]::run_test::{closure#1}, ()>::{closure#1}::{closure#0}>, ()>
[INFO] [stdout]                                at /rustc/6b3fa26749ab40e159b2dd5cf577acaaf5902772/library/std/src/panic.rs:359:14
[INFO] [stdout]   44:     0x5c98f9e63712 - std[73adb7dc35730857]::thread::lifecycle::spawn_unchecked::<test[980ffaebd391d06d]::run_test::{closure#1}, ()>::{closure#1}
[INFO] [stdout]                                at /rustc/6b3fa26749ab40e159b2dd5cf577acaaf5902772/library/std/src/thread/lifecycle.rs:68:26
[INFO] [stdout]   45:     0x5c98f9e63712 - <std[73adb7dc35730857]::thread::lifecycle::spawn_unchecked<test[980ffaebd391d06d]::run_test::{closure#1}, ()>::{closure#1} as core[6883ba1bc0fe4ed1]::ops::function::FnOnce<()>>::call_once::{shim:vtable#0}
[INFO] [stdout]                                at /rustc/6b3fa26749ab40e159b2dd5cf577acaaf5902772/library/core/src/ops/function.rs:250:5
[INFO] [stdout]   46:     0x5c98fa0d44af - <alloc[55a36b64bcbf2c0d]::boxed::Box<dyn core[6883ba1bc0fe4ed1]::ops::function::FnOnce<(), Output = ()> + core[6883ba1bc0fe4ed1]::marker::Send> as core[6883ba1bc0fe4ed1]::ops::function::FnOnce<()>>::call_once
[INFO] [stdout]                                at /rustc/6b3fa26749ab40e159b2dd5cf577acaaf5902772/library/alloc/src/boxed.rs:2319:9
[INFO] [stdout]   47:     0x5c98fa0d44af - <std[73adb7dc35730857]::sys::thread::unix::Thread>::new::thread_start
[INFO] [stdout]                                at /rustc/6b3fa26749ab40e159b2dd5cf577acaaf5902772/library/std/src/sys/thread/unix.rs:123:17
[INFO] [stdout]   48:     0x718092357aa4 - <unknown>
[INFO] [stdout]   49:     0x7180923e4a64 - clone
[INFO] [stdout]   50:                0x0 - <unknown>
[INFO] [stdout] 
[INFO] [stdout] ---- head::one_n2 stdout ----
[INFO] [stdout] 
[INFO] [stdout] thread 'head::one_n2' (3210) panicked at /rustc/6b3fa26749ab40e159b2dd5cf577acaaf5902772/library/core/src/ops/function.rs:250:5:
[INFO] [stdout] Unexpected failure.
[INFO] [stdout] code-101
[INFO] [stdout] stderr=```<90 lines total>
[INFO] [stdout] ```
[INFO] [stdout] 
[INFO] [stdout] thread \'main\' (3224) panicked at /opt/rustwide/cargo-home/registry/src/index.crates.io-1949cf8c6b5b557f/clap-3.2.25/src/parser/matches/arg_matches.rs:547:22:
[INFO] [stdout] Must use `Arg::allow_invalid_utf8` with `_os` lookups at `files`
[INFO] [stdout] stack backtrace:
[INFO] [stdout]    0:     0x5b52206cb601 - std[73adb7dc35730857]::backtrace_rs::backtrace::libunwind::trace
[INFO] [stdout]                                at /rustc/6b3fa26749ab40e159b2dd5cf577acaaf5902772/library/std/src/../../backtrace/src/backtrace/libunwind.rs:117:9
[INFO] [stdout]    1:     0x5b52206cb601 - std[73adb7dc35730857]::backtrace_rs::backtrace::trace_unsynchronized::<std[73adb7dc35730857]::sys::backtrace::_print_fmt::{closure#1}>
[INFO] [stdout]                                at /rustc/6b3fa26749ab40e159b2dd5cf577acaaf5902772/library/std/src/../../backtrace/src/backtrace/mod.rs:66:14
[INFO] [stdout]    2:     0x5b52206cb601 - std[73adb7dc35730857]::sys::backtrace::_print_fmt
[INFO] [stdout]                                at /rustc/6b3fa26749ab40e159b2dd5cf577acaaf5902772/library/std/src/sys/backtrace.rs:74:9
[INFO] [stdout]    3:     0x5b52206cb601 - <<std[73adb7dc35730857]::sys::backtrace::BacktraceLock>::print::DisplayBacktrace as core[6883ba1bc0fe4ed1]::fmt::Display>::fmt
[INFO] [stdout]                                at /rustc/6b3fa26749ab40e159b2dd5cf577acaaf5902772/library/std/src/sys/backtrace.rs:44:26
[INFO] [stdout]    4:     0x5b52206df28a - <core[6883ba1bc0fe4ed1]::fmt::rt::Argument>::fmt
[INFO] [stdout]                                at /rustc/6b3fa26749ab40e159b2dd5cf577acaaf5902772/library/core/src/fmt/rt.rs:152:76
[INFO] [stdout]    5:     0x5b52206df28a - core[6883ba1bc0fe4ed1]::fmt::write
[INFO] [stdout]    6:     0x5b52206d0cec - std[73adb7dc35730857]::io::default_write_fmt::<std[73adb7dc35730857]::sys::stdio::unix::Stderr>
[INFO] [stdout]                                at /rustc/6b3fa26749ab40e159b2dd5cf577acaaf5902772/library/std/src/io/mod.rs:626:11
[INFO] [stdout]    7:     0x5b52206d0cec - <std[73adb7dc35730857]::sys::stdio::unix::Stderr as std[73adb7dc35730857]::io::Write>::write_fmt
[INFO] [stdout]                                at /rustc/6b3fa26749ab40e159b2dd5cf577acaaf5902772/library/std/src/io/mod.rs:1730:13
[INFO] [stdout]    8:     0x5b52206b5e16 - <std[73adb7dc35730857]::sys::backtrace::BacktraceLock>::print
[INFO] [stdout] ```
[INFO] [stdout] <30 lines omitted>
[INFO] [stdout] ```
[INFO] [stdout]                                at /rustc/6b3fa26749ab40e159b2dd5cf577acaaf5902772/library/alloc/src/vec/mod.rs:3941:9
[INFO] [stdout]   24:     0x5b522056508e - <core[6883ba1bc0fe4ed1]::iter::adapters::map::Map<core[6883ba1bc0fe4ed1]::iter::adapters::flatten::Flatten<core[6883ba1bc0fe4ed1]::slice::iter::Iter<alloc[55a36b64bcbf2c0d]::vec::Vec<clap[965b0170b9d3cf34]::parser::matches::any_value::AnyValue>>>, <clap[965b0170b9d3cf34]::parser::matches::arg_matches::ArgMatches>::values_of_lossy<&str>::{closure#0}> as core[6883ba1bc0fe4ed1]::iter::traits::iterator::Iterator>::collect::<alloc[55a36b64bcbf2c0d]::vec::Vec<alloc[55a36b64bcbf2c0d]::string::String>>
[INFO] [stdout]                                at /rustc/6b3fa26749ab40e159b2dd5cf577acaaf5902772/library/core/src/iter/traits/iterator.rs:2090:9
[INFO] [stdout]   25:     0x5b522055f166 - <clap[965b0170b9d3cf34]::parser::matches::arg_matches::ArgMatches>::values_of_lossy::<&str>
[INFO] [stdout]                                at /opt/rustwide/cargo-home/registry/src/index.crates.io-1949cf8c6b5b557f/clap-3.2.25/src/parser/matches/arg_matches.rs:548:14
[INFO] [stdout]   26:     0x5b522056918b - command_line_rust[2a7d65b3375657d0]::head::get_args
[INFO] [stdout]                                at /opt/rustwide/workdir/src/head/mod.rs:92:24
[INFO] [stdout]   27:     0x5b522055ead2 - head[5f62c2f9cff836a0]::main
[INFO] [stdout]                                at /opt/rustwide/workdir/src/head/main.rs:4:21
[INFO] [stdout]   28:     0x5b522055ebeb - <fn() as core[6883ba1bc0fe4ed1]::ops::function::FnOnce<()>>::call_once
[INFO] [stdout]                                at /rustc/6b3fa26749ab40e159b2dd5cf577acaaf5902772/library/core/src/ops/function.rs:250:5
[INFO] [stdout]   29:     0x5b522055ea5e - std[73adb7dc35730857]::sys::backtrace::__rust_begin_short_backtrace::<fn(), ()>
[INFO] [stdout]                                at /rustc/6b3fa26749ab40e159b2dd5cf577acaaf5902772/library/std/src/sys/backtrace.rs:166:18
[INFO] [stdout]   30:     0x5b522055ea81 - std[73adb7dc35730857]::rt::lang_start::<()>::{closure#0}
[INFO] [stdout]                                at /rustc/6b3fa26749ab40e159b2dd5cf577acaaf5902772/library/std/src/rt.rs:206:18
[INFO] [stdout]   31:     0x5b52206c6547 - <&dyn core[6883ba1bc0fe4ed1]::ops::function::Fn<(), Output = i32> + core[6883ba1bc0fe4ed1]::panic::unwind_safe::RefUnwindSafe + core[6883ba1bc0fe4ed1]::marker::Sync as core[6883ba1bc0fe4ed1]::ops::function::FnOnce<()>>::call_once
[INFO] [stdout]                                at /rustc/6b3fa26749ab40e159b2dd5cf577acaaf5902772/library/core/src/ops/function.rs:287:21
[INFO] [stdout]   32:     0x5b52206c6547 - std[73adb7dc35730857]::panicking::catch_unwind::do_call::<&dyn core[6883ba1bc0fe4ed1]::ops::function::Fn<(), Output = i32> + core[6883ba1bc0fe4ed1]::panic::unwind_safe::RefUnwindSafe + core[6883ba1bc0fe4ed1]::marker::Sync, i32>
[INFO] [stdout]                                at /rustc/6b3fa26749ab40e159b2dd5cf577acaaf5902772/library/std/src/panicking.rs:576:43
[INFO] [stdout]   33:     0x5b52206c6547 - std[73adb7dc35730857]::panicking::catch_unwind::<i32, &dyn core[6883ba1bc0fe4ed1]::ops::function::Fn<(), Output = i32> + core[6883ba1bc0fe4ed1]::panic::unwind_safe::RefUnwindSafe + core[6883ba1bc0fe4ed1]::marker::Sync>
[INFO] [stdout]                                at /rustc/6b3fa26749ab40e159b2dd5cf577acaaf5902772/library/std/src/panicking.rs:544:19
[INFO] [stdout]   34:     0x5b52206c6547 - std[73adb7dc35730857]::panic::catch_unwind::<&dyn core[6883ba1bc0fe4ed1]::ops::function::Fn<(), Output = i32> + core[6883ba1bc0fe4ed1]::panic::unwind_safe::RefUnwindSafe + core[6883ba1bc0fe4ed1]::marker::Sync, i32>
[INFO] [stdout]                                at /rustc/6b3fa26749ab40e159b2dd5cf577acaaf5902772/library/std/src/panic.rs:359:14
[INFO] [stdout]   35:     0x5b52206c6547 - std[73adb7dc35730857]::rt::lang_start_internal::{closure#0}
[INFO] [stdout]                                at /rustc/6b3fa26749ab40e159b2dd5cf577acaaf5902772/library/std/src/rt.rs:175:24
[INFO] [stdout]   36:     0x5b52206c6547 - std[73adb7dc35730857]::panicking::catch_unwind::do_call::<std[73adb7dc35730857]::rt::lang_start_internal::{closure#0}, isize>
[INFO] [stdout]                                at /rustc/6b3fa26749ab40e159b2dd5cf577acaaf5902772/library/std/src/panicking.rs:576:43
[INFO] [stdout]   37:     0x5b52206c6547 - std[73adb7dc35730857]::panicking::catch_unwind::<isize, std[73adb7dc35730857]::rt::lang_start_internal::{closure#0}>
[INFO] [stdout]                                at /rustc/6b3fa26749ab40e159b2dd5cf577acaaf5902772/library/std/src/panicking.rs:544:19
[INFO] [stdout]   38:     0x5b52206c6547 - std[73adb7dc35730857]::panic::catch_unwind::<std[73adb7dc35730857]::rt::lang_start_internal::{closure#0}, isize>
[INFO] [stdout]                                at /rustc/6b3fa26749ab40e159b2dd5cf577acaaf5902772/library/std/src/panic.rs:359:14
[INFO] [stdout]   39:     0x5b52206c6547 - std[73adb7dc35730857]::rt::lang_start_internal
[INFO] [stdout]                                at /rustc/6b3fa26749ab40e159b2dd5cf577acaaf5902772/library/std/src/rt.rs:171:5
[INFO] [stdout]   40:     0x5b522055ea47 - std[73adb7dc35730857]::rt::lang_start::<()>
[INFO] [stdout]                                at /rustc/6b3fa26749ab40e159b2dd5cf577acaaf5902772/library/std/src/rt.rs:205:5
[INFO] [stdout]   41:     0x5b522055ec7e - main
[INFO] [stdout]   42:     0x7badcf71f1ca - <unknown>
[INFO] [stdout]   43:     0x7badcf71f28b - __libc_start_main
[INFO] [stdout]   44:     0x5b522055e8a5 - _start
[INFO] [stdout]   45:                0x0 - <unknown>
[INFO] [stdout] ```
[INFO] [stdout] ```
[INFO] [stdout] command=`"/opt/rustwide/target/debug/head" "tests/head/inputs/one.txt" "-n" "2"`
[INFO] [stdout] code=101
[INFO] [stdout] stdout=""
[INFO] [stdout] stderr=<90 lines total>
[INFO] [stdout] ```
[INFO] [stdout] 
[INFO] [stdout] thread \'main\' (3224) panicked at /opt/rustwide/cargo-home/registry/src/index.crates.io-1949cf8c6b5b557f/clap-3.2.25/src/parser/matches/arg_matches.rs:547:22:
[INFO] [stdout] Must use `Arg::allow_invalid_utf8` with `_os` lookups at `files`
[INFO] [stdout] stack backtrace:
[INFO] [stdout]    0:     0x5b52206cb601 - std[73adb7dc35730857]::backtrace_rs::backtrace::libunwind::trace
[INFO] [stdout]                                at /rustc/6b3fa26749ab40e159b2dd5cf577acaaf5902772/library/std/src/../../backtrace/src/backtrace/libunwind.rs:117:9
[INFO] [stdout]    1:     0x5b52206cb601 - std[73adb7dc35730857]::backtrace_rs::backtrace::trace_unsynchronized::<std[73adb7dc35730857]::sys::backtrace::_print_fmt::{closure#1}>
[INFO] [stdout]                                at /rustc/6b3fa26749ab40e159b2dd5cf577acaaf5902772/library/std/src/../../backtrace/src/backtrace/mod.rs:66:14
[INFO] [stdout]    2:     0x5b52206cb601 - std[73adb7dc35730857]::sys::backtrace::_print_fmt
[INFO] [stdout]                                at /rustc/6b3fa26749ab40e159b2dd5cf577acaaf5902772/library/std/src/sys/backtrace.rs:74:9
[INFO] [stdout]    3:     0x5b52206cb601 - <<std[73adb7dc35730857]::sys::backtrace::BacktraceLock>::print::DisplayBacktrace as core[6883ba1bc0fe4ed1]::fmt::Display>::fmt
[INFO] [stdout]                                at /rustc/6b3fa26749ab40e159b2dd5cf577acaaf5902772/library/std/src/sys/backtrace.rs:44:26
[INFO] [stdout]    4:     0x5b52206df28a - <core[6883ba1bc0fe4ed1]::fmt::rt::Argument>::fmt
[INFO] [stdout]                                at /rustc/6b3fa26749ab40e159b2dd5cf577acaaf5902772/library/core/src/fmt/rt.rs:152:76
[INFO] [stdout]    5:     0x5b52206df28a - core[6883ba1bc0fe4ed1]::fmt::write
[INFO] [stdout]    6:     0x5b52206d0cec - std[73adb7dc35730857]::io::default_write_fmt::<std[73adb7dc35730857]::sys::stdio::unix::Stderr>
[INFO] [stdout]                                at /rustc/6b3fa26749ab40e159b2dd5cf577acaaf5902772/library/std/src/io/mod.rs:626:11
[INFO] [stdout]    7:     0x5b52206d0cec - <std[73adb7dc35730857]::sys::stdio::unix::Stderr as std[73adb7dc35730857]::io::Write>::write_fmt
[INFO] [stdout]                                at /rustc/6b3fa26749ab40e159b2dd5cf577acaaf5902772/library/std/src/io/mod.rs:1730:13
[INFO] [stdout]    8:     0x5b52206b5e16 - <std[73adb7dc35730857]::sys::backtrace::BacktraceLock>::print
[INFO] [stdout] ```
[INFO] [stdout] <30 lines omitted>
[INFO] [stdout] ```
[INFO] [stdout]                                at /rustc/6b3fa26749ab40e159b2dd5cf577acaaf5902772/library/alloc/src/vec/mod.rs:3941:9
[INFO] [stdout]   24:     0x5b522056508e - <core[6883ba1bc0fe4ed1]::iter::adapters::map::Map<core[6883ba1bc0fe4ed1]::iter::adapters::flatten::Flatten<core[6883ba1bc0fe4ed1]::slice::iter::Iter<alloc[55a36b64bcbf2c0d]::vec::Vec<clap[965b0170b9d3cf34]::parser::matches::any_value::AnyValue>>>, <clap[965b0170b9d3cf34]::parser::matches::arg_matches::ArgMatches>::values_of_lossy<&str>::{closure#0}> as core[6883ba1bc0fe4ed1]::iter::traits::iterator::Iterator>::collect::<alloc[55a36b64bcbf2c0d]::vec::Vec<alloc[55a36b64bcbf2c0d]::string::String>>
[INFO] [stdout]                                at /rustc/6b3fa26749ab40e159b2dd5cf577acaaf5902772/library/core/src/iter/traits/iterator.rs:2090:9
[INFO] [stdout]   25:     0x5b522055f166 - <clap[965b0170b9d3cf34]::parser::matches::arg_matches::ArgMatches>::values_of_lossy::<&str>
[INFO] [stdout]                                at /opt/rustwide/cargo-home/registry/src/index.crates.io-1949cf8c6b5b557f/clap-3.2.25/src/parser/matches/arg_matches.rs:548:14
[INFO] [stdout]   26:     0x5b522056918b - command_line_rust[2a7d65b3375657d0]::head::get_args
[INFO] [stdout]                                at /opt/rustwide/workdir/src/head/mod.rs:92:24
[INFO] [stdout]   27:     0x5b522055ead2 - head[5f62c2f9cff836a0]::main
[INFO] [stdout]                                at /opt/rustwide/workdir/src/head/main.rs:4:21
[INFO] [stdout]   28:     0x5b522055ebeb - <fn() as core[6883ba1bc0fe4ed1]::ops::function::FnOnce<()>>::call_once
[INFO] [stdout]                                at /rustc/6b3fa26749ab40e159b2dd5cf577acaaf5902772/library/core/src/ops/function.rs:250:5
[INFO] [stdout]   29:     0x5b522055ea5e - std[73adb7dc35730857]::sys::backtrace::__rust_begin_short_backtrace::<fn(), ()>
[INFO] [stdout]                                at /rustc/6b3fa26749ab40e159b2dd5cf577acaaf5902772/library/std/src/sys/backtrace.rs:166:18
[INFO] [stdout]   30:     0x5b522055ea81 - std[73adb7dc35730857]::rt::lang_start::<()>::{closure#0}
[INFO] [stdout]                                at /rustc/6b3fa26749ab40e159b2dd5cf577acaaf5902772/library/std/src/rt.rs:206:18
[INFO] [stdout]   31:     0x5b52206c6547 - <&dyn core[6883ba1bc0fe4ed1]::ops::function::Fn<(), Output = i32> + core[6883ba1bc0fe4ed1]::panic::unwind_safe::RefUnwindSafe + core[6883ba1bc0fe4ed1]::marker::Sync as core[6883ba1bc0fe4ed1]::ops::function::FnOnce<()>>::call_once
[INFO] [stdout]                                at /rustc/6b3fa26749ab40e159b2dd5cf577acaaf5902772/library/core/src/ops/function.rs:287:21
[INFO] [stdout]   32:     0x5b52206c6547 - std[73adb7dc35730857]::panicking::catch_unwind::do_call::<&dyn core[6883ba1bc0fe4ed1]::ops::function::Fn<(), Output = i32> + core[6883ba1bc0fe4ed1]::panic::unwind_safe::RefUnwindSafe + core[6883ba1bc0fe4ed1]::marker::Sync, i32>
[INFO] [stdout]                                at /rustc/6b3fa26749ab40e159b2dd5cf577acaaf5902772/library/std/src/panicking.rs:576:43
[INFO] [stdout]   33:     0x5b52206c6547 - std[73adb7dc35730857]::panicking::catch_unwind::<i32, &dyn core[6883ba1bc0fe4ed1]::ops::function::Fn<(), Output = i32> + core[6883ba1bc0fe4ed1]::panic::unwind_safe::RefUnwindSafe + core[6883ba1bc0fe4ed1]::marker::Sync>
[INFO] [stdout]                                at /rustc/6b3fa26749ab40e159b2dd5cf577acaaf5902772/library/std/src/panicking.rs:544:19
[INFO] [stdout]   34:     0x5b52206c6547 - std[73adb7dc35730857]::panic::catch_unwind::<&dyn core[6883ba1bc0fe4ed1]::ops::function::Fn<(), Output = i32> + core[6883ba1bc0fe4ed1]::panic::unwind_safe::RefUnwindSafe + core[6883ba1bc0fe4ed1]::marker::Sync, i32>
[INFO] [stdout]                                at /rustc/6b3fa26749ab40e159b2dd5cf577acaaf5902772/library/std/src/panic.rs:359:14
[INFO] [stdout]   35:     0x5b52206c6547 - std[73adb7dc35730857]::rt::lang_start_internal::{closure#0}
[INFO] [stdout]                                at /rustc/6b3fa26749ab40e159b2dd5cf577acaaf5902772/library/std/src/rt.rs:175:24
[INFO] [stdout]   36:     0x5b52206c6547 - std[73adb7dc35730857]::panicking::catch_unwind::do_call::<std[73adb7dc35730857]::rt::lang_start_internal::{closure#0}, isize>
[INFO] [stdout]                                at /rustc/6b3fa26749ab40e159b2dd5cf577acaaf5902772/library/std/src/panicking.rs:576:43
[INFO] [stdout]   37:     0x5b52206c6547 - std[73adb7dc35730857]::panicking::catch_unwind::<isize, std[73adb7dc35730857]::rt::lang_start_internal::{closure#0}>
[INFO] [stdout]                                at /rustc/6b3fa26749ab40e159b2dd5cf577acaaf5902772/library/std/src/panicking.rs:544:19
[INFO] [stdout]   38:     0x5b52206c6547 - std[73adb7dc35730857]::panic::catch_unwind::<std[73adb7dc35730857]::rt::lang_start_internal::{closure#0}, isize>
[INFO] [stdout]                                at /rustc/6b3fa26749ab40e159b2dd5cf577acaaf5902772/library/std/src/panic.rs:359:14
[INFO] [stdout]   39:     0x5b52206c6547 - std[73adb7dc35730857]::rt::lang_start_internal
[INFO] [stdout]                                at /rustc/6b3fa26749ab40e159b2dd5cf577acaaf5902772/library/std/src/rt.rs:171:5
[INFO] [stdout]   40:     0x5b522055ea47 - std[73adb7dc35730857]::rt::lang_start::<()>
[INFO] [stdout]                                at /rustc/6b3fa26749ab40e159b2dd5cf577acaaf5902772/library/std/src/rt.rs:205:5
[INFO] [stdout]   41:     0x5b522055ec7e - main
[INFO] [stdout]   42:     0x7badcf71f1ca - <unknown>
[INFO] [stdout]   43:     0x7badcf71f28b - __libc_start_main
[INFO] [stdout]   44:     0x5b522055e8a5 - _start
[INFO] [stdout]   45:                0x0 - <unknown>
[INFO] [stdout] ```
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] stack backtrace:
[INFO] [stdout]    0:     0x5c98fa0d5011 - std[73adb7dc35730857]::backtrace_rs::backtrace::libunwind::trace
[INFO] [stdout]                                at /rustc/6b3fa26749ab40e159b2dd5cf577acaaf5902772/library/std/src/../../backtrace/src/backtrace/libunwind.rs:117:9
[INFO] [stdout]    1:     0x5c98fa0d5011 - std[73adb7dc35730857]::backtrace_rs::backtrace::trace_unsynchronized::<std[73adb7dc35730857]::sys::backtrace::_print_fmt::{closure#1}>
[INFO] [stdout]                                at /rustc/6b3fa26749ab40e159b2dd5cf577acaaf5902772/library/std/src/../../backtrace/src/backtrace/mod.rs:66:14
[INFO] [stdout]    2:     0x5c98fa0d5011 - std[73adb7dc35730857]::sys::backtrace::_print_fmt
[INFO] [stdout]                                at /rustc/6b3fa26749ab40e159b2dd5cf577acaaf5902772/library/std/src/sys/backtrace.rs:74:9
[INFO] [stdout]    3:     0x5c98fa0d5011 - <<std[73adb7dc35730857]::sys::backtrace::BacktraceLock>::print::DisplayBacktrace as core[6883ba1bc0fe4ed1]::fmt::Display>::fmt
[INFO] [stdout]                                at /rustc/6b3fa26749ab40e159b2dd5cf577acaaf5902772/library/std/src/sys/backtrace.rs:44:26
[INFO] [stdout]    4:     0x5c98fa0eb71a - <core[6883ba1bc0fe4ed1]::fmt::rt::Argument>::fmt
[INFO] [stdout]                                at /rustc/6b3fa26749ab40e159b2dd5cf577acaaf5902772/library/core/src/fmt/rt.rs:152:76
[INFO] [stdout]    5:     0x5c98fa0eb71a - core[6883ba1bc0fe4ed1]::fmt::write
[INFO] [stdout]    6:     0x5c98fa0da99c - std[73adb7dc35730857]::io::default_write_fmt::<alloc[55a36b64bcbf2c0d]::vec::Vec<u8>>
[INFO] [stdout]                                at /rustc/6b3fa26749ab40e159b2dd5cf577acaaf5902772/library/std/src/io/mod.rs:626:11
[INFO] [stdout]    7:     0x5c98fa0da99c - <alloc[55a36b64bcbf2c0d]::vec::Vec<u8> as std[73adb7dc35730857]::io::Write>::write_fmt
[INFO] [stdout]                                at /rustc/6b3fa26749ab40e159b2dd5cf577acaaf5902772/library/std/src/io/mod.rs:1730:13
[INFO] [stdout]    8:     0x5c98fa0b2986 - <std[73adb7dc35730857]::sys::backtrace::BacktraceLock>::print
[INFO] [stdout]                                at /rustc/6b3fa26749ab40e159b2dd5cf577acaaf5902772/library/std/src/sys/backtrace.rs:47:9
[INFO] [stdout]    9:     0x5c98fa0b2986 - std[73adb7dc35730857]::panicking::default_hook::{closure#0}
[INFO] [stdout]                                at /rustc/6b3fa26749ab40e159b2dd5cf577acaaf5902772/library/std/src/panicking.rs:292:27
[INFO] [stdout]   10:     0x5c98fa0ccd09 - std[73adb7dc35730857]::panicking::default_hook
[INFO] [stdout]                                at /rustc/6b3fa26749ab40e159b2dd5cf577acaaf5902772/library/std/src/panicking.rs:316:9
[INFO] [stdout]   11:     0x5c98f9e5fc40 - <alloc[55a36b64bcbf2c0d]::boxed::Box<dyn for<'a, 'b> core[6883ba1bc0fe4ed1]::ops::function::Fn<(&'a std[73adb7dc35730857]::panic::PanicHookInfo<'b>,), Output = ()> + core[6883ba1bc0fe4ed1]::marker::Send + core[6883ba1bc0fe4ed1]::marker::Sync> as core[6883ba1bc0fe4ed1]::ops::function::Fn<(&std[73adb7dc35730857]::panic::PanicHookInfo,)>>::call
[INFO] [stdout]                                at /rustc/6b3fa26749ab40e159b2dd5cf577acaaf5902772/library/alloc/src/boxed.rs:2333:9
[INFO] [stdout]   12:     0x5c98f9e5fc40 - test[980ffaebd391d06d]::test_main_inner::<test[980ffaebd391d06d]::test_main_static::{closure#0}>::{closure#0}
[INFO] [stdout]                                at /rustc/6b3fa26749ab40e159b2dd5cf577acaaf5902772/library/test/src/lib.rs:155:21
[INFO] [stdout]   13:     0x5c98fa0ccec2 - <alloc[55a36b64bcbf2c0d]::boxed::Box<dyn for<'a, 'b> core[6883ba1bc0fe4ed1]::ops::function::Fn<(&'a std[73adb7dc35730857]::panic::PanicHookInfo<'b>,), Output = ()> + core[6883ba1bc0fe4ed1]::marker::Send + core[6883ba1bc0fe4ed1]::marker::Sync> as core[6883ba1bc0fe4ed1]::ops::function::Fn<(&std[73adb7dc35730857]::panic::PanicHookInfo,)>>::call
[INFO] [stdout]                                at /rustc/6b3fa26749ab40e159b2dd5cf577acaaf5902772/library/alloc/src/boxed.rs:2333:9
[INFO] [stdout]   14:     0x5c98fa0ccec2 - std[73adb7dc35730857]::panicking::panic_with_hook
[INFO] [stdout]                                at /rustc/6b3fa26749ab40e159b2dd5cf577acaaf5902772/library/std/src/panicking.rs:823:13
[INFO] [stdout]   15:     0x5c98fa0b2a32 - std[73adb7dc35730857]::panicking::panic_handler::{closure#0}
[INFO] [stdout]                                at /rustc/6b3fa26749ab40e159b2dd5cf577acaaf5902772/library/std/src/panicking.rs:688:13
[INFO] [stdout]   16:     0x5c98fa0aa1d9 - std[73adb7dc35730857]::sys::backtrace::__rust_end_short_backtrace::<std[73adb7dc35730857]::panicking::panic_handler::{closure#0}, !>
[INFO] [stdout]                                at /rustc/6b3fa26749ab40e159b2dd5cf577acaaf5902772/library/std/src/sys/backtrace.rs:182:18
[INFO] [stdout]   17:     0x5c98fa0b362d - __rustc[a7b7b02e776dd976]::rust_begin_unwind
[INFO] [stdout]                                at /rustc/6b3fa26749ab40e159b2dd5cf577acaaf5902772/library/std/src/panicking.rs:679:5
[INFO] [stdout]   18:     0x5c98fa0ebf9c - core[6883ba1bc0fe4ed1]::panicking::panic_fmt
[INFO] [stdout]                                at /rustc/6b3fa26749ab40e159b2dd5cf577acaaf5902772/library/core/src/panicking.rs:80:14
[INFO] [stdout]   19:     0x5c98fa03b8b8 - core[6883ba1bc0fe4ed1]::panicking::panic_display::<assert_cmd[35418449b5f7a4b8]::assert::AssertError>
[INFO] [stdout]                                at /rustc/6b3fa26749ab40e159b2dd5cf577acaaf5902772/library/core/src/panicking.rs:259:5
[INFO] [stdout]   20:     0x5c98fa0426c7 - <assert_cmd[35418449b5f7a4b8]::assert::AssertError>::panic::<assert_cmd[35418449b5f7a4b8]::assert::Assert>
[INFO] [stdout]                                at /opt/rustwide/cargo-home/registry/src/index.crates.io-1949cf8c6b5b557f/assert_cmd-2.0.11/src/assert.rs:1033:9
[INFO] [stdout]   21:     0x5c98fa038947 - <<assert_cmd[35418449b5f7a4b8]::assert::AssertError>::panic<assert_cmd[35418449b5f7a4b8]::assert::Assert> as core[6883ba1bc0fe4ed1]::ops::function::FnOnce<(assert_cmd[35418449b5f7a4b8]::assert::AssertError,)>>::call_once
[INFO] [stdout]                                at /rustc/6b3fa26749ab40e159b2dd5cf577acaaf5902772/library/core/src/ops/function.rs:250:5
[INFO] [stdout]   22:     0x5c98fa041dfb - <core[6883ba1bc0fe4ed1]::result::Result<assert_cmd[35418449b5f7a4b8]::assert::Assert, assert_cmd[35418449b5f7a4b8]::assert::AssertError>>::unwrap_or_else::<<assert_cmd[35418449b5f7a4b8]::assert::AssertError>::panic<assert_cmd[35418449b5f7a4b8]::assert::Assert>>
[INFO] [stdout]                                at /rustc/6b3fa26749ab40e159b2dd5cf577acaaf5902772/library/core/src/result.rs:1620:23
[INFO] [stdout]   23:     0x5c98fa0442a0 - <assert_cmd[35418449b5f7a4b8]::assert::Assert>::success
[INFO] [stdout]                                at /opt/rustwide/cargo-home/registry/src/index.crates.io-1949cf8c6b5b557f/assert_cmd-2.0.11/src/assert.rs:158:28
[INFO] [stdout]   24:     0x5c98f9e4c073 - lib[ef69c164f1f8dd99]::head::run
[INFO] [stdout]                                at /opt/rustwide/workdir/tests/head/mod.rs:105:10
[INFO] [stdout]   25:     0x5c98f9e4df9e - lib[ef69c164f1f8dd99]::head::one_n2
[INFO] [stdout]                                at /opt/rustwide/workdir/tests/head/mod.rs:167:5
[INFO] [stdout]   26:     0x5c98f9e47bd7 - lib[ef69c164f1f8dd99]::head::one_n2::{closure#0}
[INFO] [stdout]                                at /opt/rustwide/workdir/tests/head/mod.rs:166:16
[INFO] [stdout]   27:     0x5c98f9e52756 - <lib[ef69c164f1f8dd99]::head::one_n2::{closure#0} as core[6883ba1bc0fe4ed1]::ops::function::FnOnce<()>>::call_once
[INFO] [stdout]                                at /rustc/6b3fa26749ab40e159b2dd5cf577acaaf5902772/library/core/src/ops/function.rs:250:5
[INFO] [stdout]   28:     0x5c98f9e52f7b - <fn() -> core[6883ba1bc0fe4ed1]::result::Result<(), alloc[55a36b64bcbf2c0d]::string::String> as core[6883ba1bc0fe4ed1]::ops::function::FnOnce<()>>::call_once
[INFO] [stdout]                                at /rustc/6b3fa26749ab40e159b2dd5cf577acaaf5902772/library/core/src/ops/function.rs:250:5
[INFO] [stdout]   29:     0x5c98f9e52f7b - test[980ffaebd391d06d]::__rust_begin_short_backtrace::<core[6883ba1bc0fe4ed1]::result::Result<(), alloc[55a36b64bcbf2c0d]::string::String>, fn() -> core[6883ba1bc0fe4ed1]::result::Result<(), alloc[55a36b64bcbf2c0d]::string::String>>
[INFO] [stdout]                                at /rustc/6b3fa26749ab40e159b2dd5cf577acaaf5902772/library/test/src/lib.rs:724:18
[INFO] [stdout]   30:     0x5c98f9e605c5 - test[980ffaebd391d06d]::run_test_in_process::{closure#0}
[INFO] [stdout]                                at /rustc/6b3fa26749ab40e159b2dd5cf577acaaf5902772/library/test/src/lib.rs:747:74
[INFO] [stdout]   31:     0x5c98f9e605c5 - <core[6883ba1bc0fe4ed1]::panic::unwind_safe::AssertUnwindSafe<test[980ffaebd391d06d]::run_test_in_process::{closure#0}> as core[6883ba1bc0fe4ed1]::ops::function::FnOnce<()>>::call_once
[INFO] [stdout]                                at /rustc/6b3fa26749ab40e159b2dd5cf577acaaf5902772/library/core/src/panic/unwind_safe.rs:275:9
[INFO] [stdout]   32:     0x5c98f9e605c5 - std[73adb7dc35730857]::panicking::catch_unwind::do_call::<core[6883ba1bc0fe4ed1]::panic::unwind_safe::AssertUnwindSafe<test[980ffaebd391d06d]::run_test_in_process::{closure#0}>, core[6883ba1bc0fe4ed1]::result::Result<(), alloc[55a36b64bcbf2c0d]::string::String>>
[INFO] [stdout]                                at /rustc/6b3fa26749ab40e159b2dd5cf577acaaf5902772/library/std/src/panicking.rs:576:43
[INFO] [stdout]   33:     0x5c98f9e605c5 - std[73adb7dc35730857]::panicking::catch_unwind::<core[6883ba1bc0fe4ed1]::result::Result<(), alloc[55a36b64bcbf2c0d]::string::String>, core[6883ba1bc0fe4ed1]::panic::unwind_safe::AssertUnwindSafe<test[980ffaebd391d06d]::run_test_in_process::{closure#0}>>
[INFO] [stdout]                                at /rustc/6b3fa26749ab40e159b2dd5cf577acaaf5902772/library/std/src/panicking.rs:544:19
[INFO] [stdout]   34:     0x5c98f9e605c5 - std[73adb7dc35730857]::panic::catch_unwind::<core[6883ba1bc0fe4ed1]::panic::unwind_safe::AssertUnwindSafe<test[980ffaebd391d06d]::run_test_in_process::{closure#0}>, core[6883ba1bc0fe4ed1]::result::Result<(), alloc[55a36b64bcbf2c0d]::string::String>>
[INFO] [stdout]                                at /rustc/6b3fa26749ab40e159b2dd5cf577acaaf5902772/library/std/src/panic.rs:359:14
[INFO] [stdout]   35:     0x5c98f9e605c5 - test[980ffaebd391d06d]::run_test_in_process
[INFO] [stdout]                                at /rustc/6b3fa26749ab40e159b2dd5cf577acaaf5902772/library/test/src/lib.rs:747:27
[INFO] [stdout]   36:     0x5c98f9e605c5 - test[980ffaebd391d06d]::run_test::{closure#0}
[INFO] [stdout]                                at /rustc/6b3fa26749ab40e159b2dd5cf577acaaf5902772/library/test/src/lib.rs:668:43
[INFO] [stdout]   37:     0x5c98f9e5b074 - test[980ffaebd391d06d]::run_test::{closure#1}
[INFO] [stdout]                                at /rustc/6b3fa26749ab40e159b2dd5cf577acaaf5902772/library/test/src/lib.rs:698:41
[INFO] [stdout]   38:     0x5c98f9e5b074 - std[73adb7dc35730857]::sys::backtrace::__rust_begin_short_backtrace::<test[980ffaebd391d06d]::run_test::{closure#1}, ()>
[INFO] [stdout]                                at /rustc/6b3fa26749ab40e159b2dd5cf577acaaf5902772/library/std/src/sys/backtrace.rs:166:18
[INFO] [stdout]   39:     0x5c98f9e63712 - std[73adb7dc35730857]::thread::lifecycle::spawn_unchecked::<test[980ffaebd391d06d]::run_test::{closure#1}, ()>::{closure#1}::{closure#0}
[INFO] [stdout]                                at /rustc/6b3fa26749ab40e159b2dd5cf577acaaf5902772/library/std/src/thread/lifecycle.rs:70:13
[INFO] [stdout]   40:     0x5c98f9e63712 - <core[6883ba1bc0fe4ed1]::panic::unwind_safe::AssertUnwindSafe<std[73adb7dc35730857]::thread::lifecycle::spawn_unchecked<test[980ffaebd391d06d]::run_test::{closure#1}, ()>::{closure#1}::{closure#0}> as core[6883ba1bc0fe4ed1]::ops::function::FnOnce<()>>::call_once
[INFO] [stdout]                                at /rustc/6b3fa26749ab40e159b2dd5cf577acaaf5902772/library/core/src/panic/unwind_safe.rs:275:9
[INFO] [stdout]   41:     0x5c98f9e63712 - std[73adb7dc35730857]::panicking::catch_unwind::do_call::<core[6883ba1bc0fe4ed1]::panic::unwind_safe::AssertUnwindSafe<std[73adb7dc35730857]::thread::lifecycle::spawn_unchecked<test[980ffaebd391d06d]::run_test::{closure#1}, ()>::{closure#1}::{closure#0}>, ()>
[INFO] [stdout]                                at /rustc/6b3fa26749ab40e159b2dd5cf577acaaf5902772/library/std/src/panicking.rs:576:43
[INFO] [stdout]   42:     0x5c98f9e63712 - std[73adb7dc35730857]::panicking::catch_unwind::<(), core[6883ba1bc0fe4ed1]::panic::unwind_safe::AssertUnwindSafe<std[73adb7dc35730857]::thread::lifecycle::spawn_unchecked<test[980ffaebd391d06d]::run_test::{closure#1}, ()>::{closure#1}::{closure#0}>>
[INFO] [stdout]                                at /rustc/6b3fa26749ab40e159b2dd5cf577acaaf5902772/library/std/src/panicking.rs:544:19
[INFO] [stdout]   43:     0x5c98f9e63712 - std[73adb7dc35730857]::panic::catch_unwind::<core[6883ba1bc0fe4ed1]::panic::unwind_safe::AssertUnwindSafe<std[73adb7dc35730857]::thread::lifecycle::spawn_unchecked<test[980ffaebd391d06d]::run_test::{closure#1}, ()>::{closure#1}::{closure#0}>, ()>
[INFO] [stdout]                                at /rustc/6b3fa26749ab40e159b2dd5cf577acaaf5902772/library/std/src/panic.rs:359:14
[INFO] [stdout]   44:     0x5c98f9e63712 - std[73adb7dc35730857]::thread::lifecycle::spawn_unchecked::<test[980ffaebd391d06d]::run_test::{closure#1}, ()>::{closure#1}
[INFO] [stdout]                                at /rustc/6b3fa26749ab40e159b2dd5cf577acaaf5902772/library/std/src/thread/lifecycle.rs:68:26
[INFO] [stdout]   45:     0x5c98f9e63712 - <std[73adb7dc35730857]::thread::lifecycle::spawn_unchecked<test[980ffaebd391d06d]::run_test::{closure#1}, ()>::{closure#1} as core[6883ba1bc0fe4ed1]::ops::function::FnOnce<()>>::call_once::{shim:vtable#0}
[INFO] [stdout]                                at /rustc/6b3fa26749ab40e159b2dd5cf577acaaf5902772/library/core/src/ops/function.rs:250:5
[INFO] [stdout]   46:     0x5c98fa0d44af - <alloc[55a36b64bcbf2c0d]::boxed::Box<dyn core[6883ba1bc0fe4ed1]::ops::function::FnOnce<(), Output = ()> + core[6883ba1bc0fe4ed1]::marker::Send> as core[6883ba1bc0fe4ed1]::ops::function::FnOnce<()>>::call_once
[INFO] [stdout]                                at /rustc/6b3fa26749ab40e159b2dd5cf577acaaf5902772/library/alloc/src/boxed.rs:2319:9
[INFO] [stdout]   47:     0x5c98fa0d44af - <std[73adb7dc35730857]::sys::thread::unix::Thread>::new::thread_start
[INFO] [stdout]                                at /rustc/6b3fa26749ab40e159b2dd5cf577acaaf5902772/library/std/src/sys/thread/unix.rs:123:17
[INFO] [stdout]   48:     0x718092357aa4 - <unknown>
[INFO] [stdout]   49:     0x7180923e4a64 - clone
[INFO] [stdout]   50:                0x0 - <unknown>
[INFO] [stdout] 
[INFO] [stdout] ---- head::one_c4_stdin stdout ----
[INFO] [stdout] 
[INFO] [stdout] thread 'head::one_c4_stdin' (3209) panicked at /rustc/6b3fa26749ab40e159b2dd5cf577acaaf5902772/library/core/src/ops/function.rs:250:5:
[INFO] [stdout] Unexpected stdout, failed var == [
[INFO] [stdout]     195,
[INFO] [stdout]     150,
[INFO] [stdout]     110,
[INFO] [stdout]     101,
[INFO] [stdout] ]
[INFO] [stdout] └── var: []
[INFO] [stdout] 
[INFO] [stdout] command=`"/opt/rustwide/target/debug/head" "-c" "4"`
[INFO] [stdout] stdin=`"Öne line, four words.\n"`
[INFO] [stdout] code=101
[INFO] [stdout] stdout=""
[INFO] [stdout] stderr=<90 lines total>
[INFO] [stdout] ```
[INFO] [stdout] 
[INFO] [stdout] thread \'main\' (3225) panicked at /opt/rustwide/cargo-home/registry/src/index.crates.io-1949cf8c6b5b557f/clap-3.2.25/src/parser/matches/arg_matches.rs:547:22:
[INFO] [stdout] Must use `Arg::allow_invalid_utf8` with `_os` lookups at `files`
[INFO] [stdout] stack backtrace:
[INFO] [stdout]    0:     0x5b9a9989b601 - std[73adb7dc35730857]::backtrace_rs::backtrace::libunwind::trace
[INFO] [stdout]                                at /rustc/6b3fa26749ab40e159b2dd5cf577acaaf5902772/library/std/src/../../backtrace/src/backtrace/libunwind.rs:117:9
[INFO] [stdout]    1:     0x5b9a9989b601 - std[73adb7dc35730857]::backtrace_rs::backtrace::trace_unsynchronized::<std[73adb7dc35730857]::sys::backtrace::_print_fmt::{closure#1}>
[INFO] [stdout]                                at /rustc/6b3fa26749ab40e159b2dd5cf577acaaf5902772/library/std/src/../../backtrace/src/backtrace/mod.rs:66:14
[INFO] [stdout]    2:     0x5b9a9989b601 - std[73adb7dc35730857]::sys::backtrace::_print_fmt
[INFO] [stdout]                                at /rustc/6b3fa26749ab40e159b2dd5cf577acaaf5902772/library/std/src/sys/backtrace.rs:74:9
[INFO] [stdout]    3:     0x5b9a9989b601 - <<std[73adb7dc35730857]::sys::backtrace::BacktraceLock>::print::DisplayBacktrace as core[6883ba1bc0fe4ed1]::fmt::Display>::fmt
[INFO] [stdout]                                at /rustc/6b3fa26749ab40e159b2dd5cf577acaaf5902772/library/std/src/sys/backtrace.rs:44:26
[INFO] [stdout]    4:     0x5b9a998af28a - <core[6883ba1bc0fe4ed1]::fmt::rt::Argument>::fmt
[INFO] [stdout]                                at /rustc/6b3fa26749ab40e159b2dd5cf577acaaf5902772/library/core/src/fmt/rt.rs:152:76
[INFO] [stdout]    5:     0x5b9a998af28a - core[6883ba1bc0fe4ed1]::fmt::write
[INFO] [stdout]    6:     0x5b9a998a0cec - std[73adb7dc35730857]::io::default_write_fmt::<std[73adb7dc35730857]::sys::stdio::unix::Stderr>
[INFO] [stdout]                                at /rustc/6b3fa26749ab40e159b2dd5cf577acaaf5902772/library/std/src/io/mod.rs:626:11
[INFO] [stdout]    7:     0x5b9a998a0cec - <std[73adb7dc35730857]::sys::stdio::unix::Stderr as std[73adb7dc35730857]::io::Write>::write_fmt
[INFO] [stdout]                                at /rustc/6b3fa26749ab40e159b2dd5cf577acaaf5902772/library/std/src/io/mod.rs:1730:13
[INFO] [stdout]    8:     0x5b9a99885e16 - <std[73adb7dc35730857]::sys::backtrace::BacktraceLock>::print
[INFO] [stdout] ```
[INFO] [stdout] <30 lines omitted>
[INFO] [stdout] ```
[INFO] [stdout]                                at /rustc/6b3fa26749ab40e159b2dd5cf577acaaf5902772/library/alloc/src/vec/mod.rs:3941:9
[INFO] [stdout]   24:     0x5b9a9973508e - <core[6883ba1bc0fe4ed1]::iter::adapters::map::Map<core[6883ba1bc0fe4ed1]::iter::adapters::flatten::Flatten<core[6883ba1bc0fe4ed1]::slice::iter::Iter<alloc[55a36b64bcbf2c0d]::vec::Vec<clap[965b0170b9d3cf34]::parser::matches::any_value::AnyValue>>>, <clap[965b0170b9d3cf34]::parser::matches::arg_matches::ArgMatches>::values_of_lossy<&str>::{closure#0}> as core[6883ba1bc0fe4ed1]::iter::traits::iterator::Iterator>::collect::<alloc[55a36b64bcbf2c0d]::vec::Vec<alloc[55a36b64bcbf2c0d]::string::String>>
[INFO] [stdout]                                at /rustc/6b3fa26749ab40e159b2dd5cf577acaaf5902772/library/core/src/iter/traits/iterator.rs:2090:9
[INFO] [stdout]   25:     0x5b9a9972f166 - <clap[965b0170b9d3cf34]::parser::matches::arg_matches::ArgMatches>::values_of_lossy::<&str>
[INFO] [stdout]                                at /opt/rustwide/cargo-home/registry/src/index.crates.io-1949cf8c6b5b557f/clap-3.2.25/src/parser/matches/arg_matches.rs:548:14
[INFO] [stdout]   26:     0x5b9a9973918b - command_line_rust[2a7d65b3375657d0]::head::get_args
[INFO] [stdout]                                at /opt/rustwide/workdir/src/head/mod.rs:92:24
[INFO] [stdout]   27:     0x5b9a9972ead2 - head[5f62c2f9cff836a0]::main
[INFO] [stdout]                                at /opt/rustwide/workdir/src/head/main.rs:4:21
[INFO] [stdout]   28:     0x5b9a9972ebeb - <fn() as core[6883ba1bc0fe4ed1]::ops::function::FnOnce<()>>::call_once
[INFO] [stdout]                                at /rustc/6b3fa26749ab40e159b2dd5cf577acaaf5902772/library/core/src/ops/function.rs:250:5
[INFO] [stdout]   29:     0x5b9a9972ea5e - std[73adb7dc35730857]::sys::backtrace::__rust_begin_short_backtrace::<fn(), ()>
[INFO] [stdout]                                at /rustc/6b3fa26749ab40e159b2dd5cf577acaaf5902772/library/std/src/sys/backtrace.rs:166:18
[INFO] [stdout]   30:     0x5b9a9972ea81 - std[73adb7dc35730857]::rt::lang_start::<()>::{closure#0}
[INFO] [stdout]                                at /rustc/6b3fa26749ab40e159b2dd5cf577acaaf5902772/library/std/src/rt.rs:206:18
[INFO] [stdout]   31:     0x5b9a99896547 - <&dyn core[6883ba1bc0fe4ed1]::ops::function::Fn<(), Output = i32> + core[6883ba1bc0fe4ed1]::panic::unwind_safe::RefUnwindSafe + core[6883ba1bc0fe4ed1]::marker::Sync as core[6883ba1bc0fe4ed1]::ops::function::FnOnce<()>>::call_once
[INFO] [stdout]                                at /rustc/6b3fa26749ab40e159b2dd5cf577acaaf5902772/library/core/src/ops/function.rs:287:21
[INFO] [stdout]   32:     0x5b9a99896547 - std[73adb7dc35730857]::panicking::catch_unwind::do_call::<&dyn core[6883ba1bc0fe4ed1]::ops::function::Fn<(), Output = i32> + core[6883ba1bc0fe4ed1]::panic::unwind_safe::RefUnwindSafe + core[6883ba1bc0fe4ed1]::marker::Sync, i32>
[INFO] [stdout]                                at /rustc/6b3fa26749ab40e159b2dd5cf577acaaf5902772/library/std/src/panicking.rs:576:43
[INFO] [stdout]   33:     0x5b9a99896547 - std[73adb7dc35730857]::panicking::catch_unwind::<i32, &dyn core[6883ba1bc0fe4ed1]::ops::function::Fn<(), Output = i32> + core[6883ba1bc0fe4ed1]::panic::unwind_safe::RefUnwindSafe + core[6883ba1bc0fe4ed1]::marker::Sync>
[INFO] [stdout]                                at /rustc/6b3fa26749ab40e159b2dd5cf577acaaf5902772/library/std/src/panicking.rs:544:19
[INFO] [stdout]   34:     0x5b9a99896547 - std[73adb7dc35730857]::panic::catch_unwind::<&dyn core[6883ba1bc0fe4ed1]::ops::function::Fn<(), Output = i32> + core[6883ba1bc0fe4ed1]::panic::unwind_safe::RefUnwindSafe + core[6883ba1bc0fe4ed1]::marker::Sync, i32>
[INFO] [stdout]                                at /rustc/6b3fa26749ab40e159b2dd5cf577acaaf5902772/library/std/src/panic.rs:359:14
[INFO] [stdout]   35:     0x5b9a99896547 - std[73adb7dc35730857]::rt::lang_start_internal::{closure#0}
[INFO] [stdout]                                at /rustc/6b3fa26749ab40e159b2dd5cf577acaaf5902772/library/std/src/rt.rs:175:24
[INFO] [stdout]   36:     0x5b9a99896547 - std[73adb7dc35730857]::panicking::catch_unwind::do_call::<std[73adb7dc35730857]::rt::lang_start_internal::{closure#0}, isize>
[INFO] [stdout]                                at /rustc/6b3fa26749ab40e159b2dd5cf577acaaf5902772/library/std/src/panicking.rs:576:43
[INFO] [stdout]   37:     0x5b9a99896547 - std[73adb7dc35730857]::panicking::catch_unwind::<isize, std[73adb7dc35730857]::rt::lang_start_internal::{closure#0}>
[INFO] [stdout]                                at /rustc/6b3fa26749ab40e159b2dd5cf577acaaf5902772/library/std/src/panicking.rs:544:19
[INFO] [stdout]   38:     0x5b9a99896547 - std[73adb7dc35730857]::panic::catch_unwind::<std[73adb7dc35730857]::rt::lang_start_internal::{closure#0}, isize>
[INFO] [stdout]                                at /rustc/6b3fa26749ab40e159b2dd5cf577acaaf5902772/library/std/src/panic.rs:359:14
[INFO] [stdout]   39:     0x5b9a99896547 - std[73adb7dc35730857]::rt::lang_start_internal
[INFO] [stdout]                                at /rustc/6b3fa26749ab40e159b2dd5cf577acaaf5902772/library/std/src/rt.rs:171:5
[INFO] [stdout]   40:     0x5b9a9972ea47 - std[73adb7dc35730857]::rt::lang_start::<()>
[INFO] [stdout]                                at /rustc/6b3fa26749ab40e159b2dd5cf577acaaf5902772/library/std/src/rt.rs:205:5
[INFO] [stdout]   41:     0x5b9a9972ec7e - main
[INFO] [stdout]   42:     0x7a58d7a1e1ca - <unknown>
[INFO] [stdout]   43:     0x7a58d7a1e28b - __libc_start_main
[INFO] [stdout]   44:     0x5b9a9972e8a5 - _start
[INFO] [stdout]   45:                0x0 - <unknown>
[INFO] [stdout] ```
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] stack backtrace:
[INFO] [stdout]    0:     0x5c98fa0d5011 - std[73adb7dc35730857]::backtrace_rs::backtrace::libunwind::trace
[INFO] [stdout]                                at /rustc/6b3fa26749ab40e159b2dd5cf577acaaf5902772/library/std/src/../../backtrace/src/backtrace/libunwind.rs:117:9
[INFO] [stdout]    1:     0x5c98fa0d5011 - std[73adb7dc35730857]::backtrace_rs::backtrace::trace_unsynchronized::<std[73adb7dc35730857]::sys::backtrace::_print_fmt::{closure#1}>
[INFO] [stdout]                                at /rustc/6b3fa26749ab40e159b2dd5cf577acaaf5902772/library/std/src/../../backtrace/src/backtrace/mod.rs:66:14
[INFO] [stdout]    2:     0x5c98fa0d5011 - std[73adb7dc35730857]::sys::backtrace::_print_fmt
[INFO] [stdout]                                at /rustc/6b3fa26749ab40e159b2dd5cf577acaaf5902772/library/std/src/sys/backtrace.rs:74:9
[INFO] [stdout]    3:     0x5c98fa0d5011 - <<std[73adb7dc35730857]::sys::backtrace::BacktraceLock>::print::DisplayBacktrace as core[6883ba1bc0fe4ed1]::fmt::Display>::fmt
[INFO] [stdout]                                at /rustc/6b3fa26749ab40e159b2dd5cf577acaaf5902772/library/std/src/sys/backtrace.rs:44:26
[INFO] [stdout]    4:     0x5c98fa0eb71a - <core[6883ba1bc0fe4ed1]::fmt::rt::Argument>::fmt
[INFO] [stdout]                                at /rustc/6b3fa26749ab40e159b2dd5cf577acaaf5902772/library/core/src/fmt/rt.rs:152:76
[INFO] [stdout]    5:     0x5c98fa0eb71a - core[6883ba1bc0fe4ed1]::fmt::write
[INFO] [stdout]    6:     0x5c98fa0da99c - std[73adb7dc35730857]::io::default_write_fmt::<alloc[55a36b64bcbf2c0d]::vec::Vec<u8>>
[INFO] [stdout]                                at /rustc/6b3fa26749ab40e159b2dd5cf577acaaf5902772/library/std/src/io/mod.rs:626:11
[INFO] [stdout]    7:     0x5c98fa0da99c - <alloc[55a36b64bcbf2c0d]::vec::Vec<u8> as std[73adb7dc35730857]::io::Write>::write_fmt
[INFO] [stdout]                                at /rustc/6b3fa26749ab40e159b2dd5cf577acaaf5902772/library/std/src/io/mod.rs:1730:13
[INFO] [stdout]    8:     0x5c98fa0b2986 - <std[73adb7dc35730857]::sys::backtrace::BacktraceLock>::print
[INFO] [stdout]                                at /rustc/6b3fa26749ab40e159b2dd5cf577acaaf5902772/library/std/src/sys/backtrace.rs:47:9
[INFO] [stdout]    9:     0x5c98fa0b2986 - std[73adb7dc35730857]::panicking::default_hook::{closure#0}
[INFO] [stdout]                                at /rustc/6b3fa26749ab40e159b2dd5cf577acaaf5902772/library/std/src/panicking.rs:292:27
[INFO] [stdout]   10:     0x5c98fa0ccd09 - std[73adb7dc35730857]::panicking::default_hook
[INFO] [stdout]                                at /rustc/6b3fa26749ab40e159b2dd5cf577acaaf5902772/library/std/src/panicking.rs:316:9
[INFO] [stdout]   11:     0x5c98f9e5fc40 - <alloc[55a36b64bcbf2c0d]::boxed::Box<dyn for<'a, 'b> core[6883ba1bc0fe4ed1]::ops::function::Fn<(&'a std[73adb7dc35730857]::panic::PanicHookInfo<'b>,), Output = ()> + core[6883ba1bc0fe4ed1]::marker::Send + core[6883ba1bc0fe4ed1]::marker::Sync> as core[6883ba1bc0fe4ed1]::ops::function::Fn<(&std[73adb7dc35730857]::panic::PanicHookInfo,)>>::call
[INFO] [stdout]                                at /rustc/6b3fa26749ab40e159b2dd5cf577acaaf5902772/library/alloc/src/boxed.rs:2333:9
[INFO] [stdout]   12:     0x5c98f9e5fc40 - test[980ffaebd391d06d]::test_main_inner::<test[980ffaebd391d06d]::test_main_static::{closure#0}>::{closure#0}
[INFO] [stdout]                                at /rustc/6b3fa26749ab40e159b2dd5cf577acaaf5902772/library/test/src/lib.rs:155:21
[INFO] [stdout]   13:     0x5c98fa0ccec2 - <alloc[55a36b64bcbf2c0d]::boxed::Box<dyn for<'a, 'b> core[6883ba1bc0fe4ed1]::ops::function::Fn<(&'a std[73adb7dc35730857]::panic::PanicHookInfo<'b>,), Output = ()> + core[6883ba1bc0fe4ed1]::marker::Send + core[6883ba1bc0fe4ed1]::marker::Sync> as core[6883ba1bc0fe4ed1]::ops::function::Fn<(&std[73adb7dc35730857]::panic::PanicHookInfo,)>>::call
[INFO] [stdout]                                at /rustc/6b3fa26749ab40e159b2dd5cf577acaaf5902772/library/alloc/src/boxed.rs:2333:9
[INFO] [stdout]   14:     0x5c98fa0ccec2 - std[73adb7dc35730857]::panicking::panic_with_hook
[INFO] [stdout]                                at /rustc/6b3fa26749ab40e159b2dd5cf577acaaf5902772/library/std/src/panicking.rs:823:13
[INFO] [stdout]   15:     0x5c98fa0b2a32 - std[73adb7dc35730857]::panicking::panic_handler::{closure#0}
[INFO] [stdout]                                at /rustc/6b3fa26749ab40e159b2dd5cf577acaaf5902772/library/std/src/panicking.rs:688:13
[INFO] [stdout]   16:     0x5c98fa0aa1d9 - std[73adb7dc35730857]::sys::backtrace::__rust_end_short_backtrace::<std[73adb7dc35730857]::panicking::panic_handler::{closure#0}, !>
[INFO] [stdout]                                at /rustc/6b3fa26749ab40e159b2dd5cf577acaaf5902772/library/std/src/sys/backtrace.rs:182:18
[INFO] [stdout]   17:     0x5c98fa0b362d - __rustc[a7b7b02e776dd976]::rust_begin_unwind
[INFO] [stdout]                                at /rustc/6b3fa26749ab40e159b2dd5cf577acaaf5902772/library/std/src/panicking.rs:679:5
[INFO] [stdout]   18:     0x5c98fa0ebf9c - core[6883ba1bc0fe4ed1]::panicking::panic_fmt
[INFO] [stdout]                                at /rustc/6b3fa26749ab40e159b2dd5cf577acaaf5902772/library/core/src/panicking.rs:80:14
[INFO] [stdout]   19:     0x5c98fa03b8b8 - core[6883ba1bc0fe4ed1]::panicking::panic_display::<assert_cmd[35418449b5f7a4b8]::assert::AssertError>
[INFO] [stdout]                                at /rustc/6b3fa26749ab40e159b2dd5cf577acaaf5902772/library/core/src/panicking.rs:259:5
[INFO] [stdout]   20:     0x5c98fa0426c7 - <assert_cmd[35418449b5f7a4b8]::assert::AssertError>::panic::<assert_cmd[35418449b5f7a4b8]::assert::Assert>
[INFO] [stdout]                                at /opt/rustwide/cargo-home/registry/src/index.crates.io-1949cf8c6b5b557f/assert_cmd-2.0.11/src/assert.rs:1033:9
[INFO] [stdout]   21:     0x5c98fa038947 - <<assert_cmd[35418449b5f7a4b8]::assert::AssertError>::panic<assert_cmd[35418449b5f7a4b8]::assert::Assert> as core[6883ba1bc0fe4ed1]::ops::function::FnOnce<(assert_cmd[35418449b5f7a4b8]::assert::AssertError,)>>::call_once
[INFO] [stdout]                                at /rustc/6b3fa26749ab40e159b2dd5cf577acaaf5902772/library/core/src/ops/function.rs:250:5
[INFO] [stdout]   22:     0x5c98fa041dfb - <core[6883ba1bc0fe4ed1]::result::Result<assert_cmd[35418449b5f7a4b8]::assert::Assert, assert_cmd[35418449b5f7a4b8]::assert::AssertError>>::unwrap_or_else::<<assert_cmd[35418449b5f7a4b8]::assert::AssertError>::panic<assert_cmd[35418449b5f7a4b8]::assert::Assert>>
[INFO] [stdout]                                at /rustc/6b3fa26749ab40e159b2dd5cf577acaaf5902772/library/core/src/result.rs:1620:23
[INFO] [stdout]   23:     0x5c98f9e45014 - <assert_cmd[35418449b5f7a4b8]::assert::Assert>::stdout::<predicates[32cee55fc2d5e3e6]::ord::EqPredicate<&[u8]>, predicates[32cee55fc2d5e3e6]::ord::EqPredicate<&[u8]>>
[INFO] [stdout]                                at /opt/rustwide/cargo-home/registry/src/index.crates.io-1949cf8c6b5b557f/assert_cmd-2.0.11/src/assert.rs:364:31
[INFO] [stdout]   24:     0x5c98f9e4c803 - lib[ef69c164f1f8dd99]::head::run_stdin
[INFO] [stdout]                                at /opt/rustwide/workdir/tests/head/mod.rs:124:10
[INFO] [stdout]   25:     0x5c98f9e4ca3b - lib[ef69c164f1f8dd99]::head::one_c4_stdin
[INFO] [stdout]                                at /opt/rustwide/workdir/tests/head/mod.rs:217:5
[INFO] [stdout]   26:     0x5c98f9e475a7 - lib[ef69c164f1f8dd99]::head::one_c4_stdin::{closure#0}
[INFO] [stdout]                                at /opt/rustwide/workdir/tests/head/mod.rs:216:22
[INFO] [stdout]   27:     0x5c98f9e51f16 - <lib[ef69c164f1f8dd99]::head::one_c4_stdin::{closure#0} as core[6883ba1bc0fe4ed1]::ops::function::FnOnce<()>>::call_once
[INFO] [stdout]                                at /rustc/6b3fa26749ab40e159b2dd5cf577acaaf5902772/library/core/src/ops/function.rs:250:5
[INFO] [stdout]   28:     0x5c98f9e52f7b - <fn() -> core[6883ba1bc0fe4ed1]::result::Result<(), alloc[55a36b64bcbf2c0d]::string::String> as core[6883ba1bc0fe4ed1]::ops::function::FnOnce<()>>::call_once
[INFO] [stdout]                                at /rustc/6b3fa26749ab40e159b2dd5cf577acaaf5902772/library/core/src/ops/function.rs:250:5
[INFO] [stdout]   29:     0x5c98f9e52f7b - test[980ffaebd391d06d]::__rust_begin_short_backtrace::<core[6883ba1bc0fe4ed1]::result::Result<(), alloc[55a36b64bcbf2c0d]::string::String>, fn() -> core[6883ba1bc0fe4ed1]::result::Result<(), alloc[55a36b64bcbf2c0d]::string::String>>
[INFO] [stdout]                                at /rustc/6b3fa26749ab40e159b2dd5cf577acaaf5902772/library/test/src/lib.rs:724:18
[INFO] [stdout]   30:     0x5c98f9e605c5 - test[980ffaebd391d06d]::run_test_in_process::{closure#0}
[INFO] [stdout]                                at /rustc/6b3fa26749ab40e159b2dd5cf577acaaf5902772/library/test/src/lib.rs:747:74
[INFO] [stdout]   31:     0x5c98f9e605c5 - <core[6883ba1bc0fe4ed1]::panic::unwind_safe::AssertUnwindSafe<test[980ffaebd391d06d]::run_test_in_process::{closure#0}> as core[6883ba1bc0fe4ed1]::ops::function::FnOnce<()>>::call_once
[INFO] [stdout]                                at /rustc/6b3fa26749ab40e159b2dd5cf577acaaf5902772/library/core/src/panic/unwind_safe.rs:275:9
[INFO] [stdout]   32:     0x5c98f9e605c5 - std[73adb7dc35730857]::panicking::catch_unwind::do_call::<core[6883ba1bc0fe4ed1]::panic::unwind_safe::AssertUnwindSafe<test[980ffaebd391d06d]::run_test_in_process::{closure#0}>, core[6883ba1bc0fe4ed1]::result::Result<(), alloc[55a36b64bcbf2c0d]::string::String>>
[INFO] [stdout]                                at /rustc/6b3fa26749ab40e159b2dd5cf577acaaf5902772/library/std/src/panicking.rs:576:43
[INFO] [stdout]   33:     0x5c98f9e605c5 - std[73adb7dc35730857]::panicking::catch_unwind::<core[6883ba1bc0fe4ed1]::result::Result<(), alloc[55a36b64bcbf2c0d]::string::String>, core[6883ba1bc0fe4ed1]::panic::unwind_safe::AssertUnwindSafe<test[980ffaebd391d06d]::run_test_in_process::{closure#0}>>
[INFO] [stdout]                                at /rustc/6b3fa26749ab40e159b2dd5cf577acaaf5902772/library/std/src/panicking.rs:544:19
[INFO] [stdout]   34:     0x5c98f9e605c5 - std[73adb7dc35730857]::panic::catch_unwind::<core[6883ba1bc0fe4ed1]::panic::unwind_safe::AssertUnwindSafe<test[980ffaebd391d06d]::run_test_in_process::{closure#0}>, core[6883ba1bc0fe4ed1]::result::Result<(), alloc[55a36b64bcbf2c0d]::string::String>>
[INFO] [stdout]                                at /rustc/6b3fa26749ab40e159b2dd5cf577acaaf5902772/library/std/src/panic.rs:359:14
[INFO] [stdout]   35:     0x5c98f9e605c5 - test[980ffaebd391d06d]::run_test_in_process
[INFO] [stdout]                                at /rustc/6b3fa26749ab40e159b2dd5cf577acaaf5902772/library/test/src/lib.rs:747:27
[INFO] [stdout]   36:     0x5c98f9e605c5 - test[980ffaebd391d06d]::run_test::{closure#0}
[INFO] [stdout]                                at /rustc/6b3fa26749ab40e159b2dd5cf577acaaf5902772/library/test/src/lib.rs:668:43
[INFO] [stdout]   37:     0x5c98f9e5b074 - test[980ffaebd391d06d]::run_test::{closure#1}
[INFO] [stdout]                                at /rustc/6b3fa26749ab40e159b2dd5cf577acaaf5902772/library/test/src/lib.rs:698:41
[INFO] [stdout]   38:     0x5c98f9e5b074 - std[73adb7dc35730857]::sys::backtrace::__rust_begin_short_backtrace::<test[980ffaebd391d06d]::run_test::{closure#1}, ()>
[INFO] [stdout]                                at /rustc/6b3fa26749ab40e159b2dd5cf577acaaf5902772/library/std/src/sys/backtrace.rs:166:18
[INFO] [stdout]   39:     0x5c98f9e63712 - std[73adb7dc35730857]::thread::lifecycle::spawn_unchecked::<test[980ffaebd391d06d]::run_test::{closure#1}, ()>::{closure#1}::{closure#0}
[INFO] [stdout]                                at /rustc/6b3fa26749ab40e159b2dd5cf577acaaf5902772/library/std/src/thread/lifecycle.rs:70:13
[INFO] [stdout]   40:     0x5c98f9e63712 - <core[6883ba1bc0fe4ed1]::panic::unwind_safe::AssertUnwindSafe<std[73adb7dc35730857]::thread::lifecycle::spawn_unchecked<test[980ffaebd391d06d]::run_test::{closure#1}, ()>::{closure#1}::{closure#0}> as core[6883ba1bc0fe4ed1]::ops::function::FnOnce<()>>::call_once
[INFO] [stdout]                                at /rustc/6b3fa26749ab40e159b2dd5cf577acaaf5902772/library/core/src/panic/unwind_safe.rs:275:9
[INFO] [stdout]   41:     0x5c98f9e63712 - std[73adb7dc35730857]::panicking::catch_unwind::do_call::<core[6883ba1bc0fe4ed1]::panic::unwind_safe::AssertUnwindSafe<std[73adb7dc35730857]::thread::lifecycle::spawn_unchecked<test[980ffaebd391d06d]::run_test::{closure#1}, ()>::{closure#1}::{closure#0}>, ()>
[INFO] [stdout]                                at /rustc/6b3fa26749ab40e159b2dd5cf577acaaf5902772/library/std/src/panicking.rs:576:43
[INFO] [stdout]   42:     0x5c98f9e63712 - std[73adb7dc35730857]::panicking::catch_unwind::<(), core[6883ba1bc0fe4ed1]::panic::unwind_safe::AssertUnwindSafe<std[73adb7dc35730857]::thread::lifecycle::spawn_unchecked<test[980ffaebd391d06d]::run_test::{closure#1}, ()>::{closure#1}::{closure#0}>>
[INFO] [stdout]                                at /rustc/6b3fa26749ab40e159b2dd5cf577acaaf5902772/library/std/src/panicking.rs:544:19
[INFO] [stdout]   43:     0x5c98f9e63712 - std[73adb7dc35730857]::panic::catch_unwind::<core[6883ba1bc0fe4ed1]::panic::unwind_safe::AssertUnwindSafe<std[73adb7dc35730857]::thread::lifecycle::spawn_unchecked<test[980ffaebd391d06d]::run_test::{closure#1}, ()>::{closure#1}::{closure#0}>, ()>
[INFO] [stdout]                                at /rustc/6b3fa26749ab40e159b2dd5cf577acaaf5902772/library/std/src/panic.rs:359:14
[INFO] [stdout]   44:     0x5c98f9e63712 - std[73adb7dc35730857]::thread::lifecycle::spawn_unchecked::<test[980ffaebd391d06d]::run_test::{closure#1}, ()>::{closure#1}
[INFO] [stdout]                                at /rustc/6b3fa26749ab40e159b2dd5cf577acaaf5902772/library/std/src/thread/lifecycle.rs:68:26
[INFO] [stdout]   45:     0x5c98f9e63712 - <std[73adb7dc35730857]::thread::lifecycle::spawn_unchecked<test[980ffaebd391d06d]::run_test::{closure#1}, ()>::{closure#1} as core[6883ba1bc0fe4ed1]::ops::function::FnOnce<()>>::call_once::{shim:vtable#0}
[INFO] [stdout]                                at /rustc/6b3fa26749ab40e159b2dd5cf577acaaf5902772/library/core/src/ops/function.rs:250:5
[INFO] [stdout]   46:     0x5c98fa0d44af - <alloc[55a36b64bcbf2c0d]::boxed::Box<dyn core[6883ba1bc0fe4ed1]::ops::function::FnOnce<(), Output = ()> + core[6883ba1bc0fe4ed1]::marker::Send> as core[6883ba1bc0fe4ed1]::ops::function::FnOnce<()>>::call_once
[INFO] [stdout]                                at /rustc/6b3fa26749ab40e159b2dd5cf577acaaf5902772/library/alloc/src/boxed.rs:2319:9
[INFO] [stdout]   47:     0x5c98fa0d44af - <std[73adb7dc35730857]::sys::thread::unix::Thread>::new::thread_start
[INFO] [stdout]                                at /rustc/6b3fa26749ab40e159b2dd5cf577acaaf5902772/library/std/src/sys/thread/unix.rs:123:17
[INFO] [stdout]   48:     0x718092357aa4 - <unknown>
[INFO] [stdout]   49:     0x7180923e4a64 - clone
[INFO] [stdout]   50:                0x0 - <unknown>
[INFO] [stdout] 
[INFO] [stdout] ---- head::one_c4 stdout ----
[INFO] [stdout] 
[INFO] [stdout] thread 'head::one_c4' (3208) panicked at /rustc/6b3fa26749ab40e159b2dd5cf577acaaf5902772/library/core/src/ops/function.rs:250:5:
[INFO] [stdout] Unexpected failure.
[INFO] [stdout] code-101
[INFO] [stdout] stderr=```<90 lines total>
[INFO] [stdout] ```
[INFO] [stdout] 
[INFO] [stdout] thread \'main\' (3226) panicked at /opt/rustwide/cargo-home/registry/src/index.crates.io-1949cf8c6b5b557f/clap-3.2.25/src/parser/matches/arg_matches.rs:547:22:
[INFO] [stdout] Must use `Arg::allow_invalid_utf8` with `_os` lookups at `files`
[INFO] [stdout] stack backtrace:
[INFO] [stdout]    0:     0x580875627601 - std[73adb7dc35730857]::backtrace_rs::backtrace::libunwind::trace
[INFO] [stdout]                                at /rustc/6b3fa26749ab40e159b2dd5cf577acaaf5902772/library/std/src/../../backtrace/src/backtrace/libunwind.rs:117:9
[INFO] [stdout]    1:     0x580875627601 - std[73adb7dc35730857]::backtrace_rs::backtrace::trace_unsynchronized::<std[73adb7dc35730857]::sys::backtrace::_print_fmt::{closure#1}>
[INFO] [stdout]                                at /rustc/6b3fa26749ab40e159b2dd5cf577acaaf5902772/library/std/src/../../backtrace/src/backtrace/mod.rs:66:14
[INFO] [stdout]    2:     0x580875627601 - std[73adb7dc35730857]::sys::backtrace::_print_fmt
[INFO] [stdout]                                at /rustc/6b3fa26749ab40e159b2dd5cf577acaaf5902772/library/std/src/sys/backtrace.rs:74:9
[INFO] [stdout]    3:     0x580875627601 - <<std[73adb7dc35730857]::sys::backtrace::BacktraceLock>::print::DisplayBacktrace as core[6883ba1bc0fe4ed1]::fmt::Display>::fmt
[INFO] [stdout]                                at /rustc/6b3fa26749ab40e159b2dd5cf577acaaf5902772/library/std/src/sys/backtrace.rs:44:26
[INFO] [stdout]    4:     0x58087563b28a - <core[6883ba1bc0fe4ed1]::fmt::rt::Argument>::fmt
[INFO] [stdout]                                at /rustc/6b3fa26749ab40e159b2dd5cf577acaaf5902772/library/core/src/fmt/rt.rs:152:76
[INFO] [stdout]    5:     0x58087563b28a - core[6883ba1bc0fe4ed1]::fmt::write
[INFO] [stdout]    6:     0x58087562ccec - std[73adb7dc35730857]::io::default_write_fmt::<std[73adb7dc35730857]::sys::stdio::unix::Stderr>
[INFO] [stdout]                                at /rustc/6b3fa26749ab40e159b2dd5cf577acaaf5902772/library/std/src/io/mod.rs:626:11
[INFO] [stdout]    7:     0x58087562ccec - <std[73adb7dc35730857]::sys::stdio::unix::Stderr as std[73adb7dc35730857]::io::Write>::write_fmt
[INFO] [stdout]                                at /rustc/6b3fa26749ab40e159b2dd5cf577acaaf5902772/library/std/src/io/mod.rs:1730:13
[INFO] [stdout]    8:     0x580875611e16 - <std[73adb7dc35730857]::sys::backtrace::BacktraceLock>::print
[INFO] [stdout] ```
[INFO] [stdout] <30 lines omitted>
[INFO] [stdout] ```
[INFO] [stdout]                                at /rustc/6b3fa26749ab40e159b2dd5cf577acaaf5902772/library/alloc/src/vec/mod.rs:3941:9
[INFO] [stdout]   24:     0x5808754c108e - <core[6883ba1bc0fe4ed1]::iter::adapters::map::Map<core[6883ba1bc0fe4ed1]::iter::adapters::flatten::Flatten<core[6883ba1bc0fe4ed1]::slice::iter::Iter<alloc[55a36b64bcbf2c0d]::vec::Vec<clap[965b0170b9d3cf34]::parser::matches::any_value::AnyValue>>>, <clap[965b0170b9d3cf34]::parser::matches::arg_matches::ArgMatches>::values_of_lossy<&str>::{closure#0}> as core[6883ba1bc0fe4ed1]::iter::traits::iterator::Iterator>::collect::<alloc[55a36b64bcbf2c0d]::vec::Vec<alloc[55a36b64bcbf2c0d]::string::String>>
[INFO] [stdout]                                at /rustc/6b3fa26749ab40e159b2dd5cf577acaaf5902772/library/core/src/iter/traits/iterator.rs:2090:9
[INFO] [stdout]   25:     0x5808754bb166 - <clap[965b0170b9d3cf34]::parser::matches::arg_matches::ArgMatches>::values_of_lossy::<&str>
[INFO] [stdout]                                at /opt/rustwide/cargo-home/registry/src/index.crates.io-1949cf8c6b5b557f/clap-3.2.25/src/parser/matches/arg_matches.rs:548:14
[INFO] [stdout]   26:     0x5808754c518b - command_line_rust[2a7d65b3375657d0]::head::get_args
[INFO] [stdout]                                at /opt/rustwide/workdir/src/head/mod.rs:92:24
[INFO] [stdout]   27:     0x5808754baad2 - head[5f62c2f9cff836a0]::main
[INFO] [stdout]                                at /opt/rustwide/workdir/src/head/main.rs:4:21
[INFO] [stdout]   28:     0x5808754babeb - <fn() as core[6883ba1bc0fe4ed1]::ops::function::FnOnce<()>>::call_once
[INFO] [stdout]                                at /rustc/6b3fa26749ab40e159b2dd5cf577acaaf5902772/library/core/src/ops/function.rs:250:5
[INFO] [stdout]   29:     0x5808754baa5e - std[73adb7dc35730857]::sys::backtrace::__rust_begin_short_backtrace::<fn(), ()>
[INFO] [stdout]                                at /rustc/6b3fa26749ab40e159b2dd5cf577acaaf5902772/library/std/src/sys/backtrace.rs:166:18
[INFO] [stdout]   30:     0x5808754baa81 - std[73adb7dc35730857]::rt::lang_start::<()>::{closure#0}
[INFO] [stdout]                                at /rustc/6b3fa26749ab40e159b2dd5cf577acaaf5902772/library/std/src/rt.rs:206:18
[INFO] [stdout]   31:     0x580875622547 - <&dyn core[6883ba1bc0fe4ed1]::ops::function::Fn<(), Output = i32> + core[6883ba1bc0fe4ed1]::panic::unwind_safe::RefUnwindSafe + core[6883ba1bc0fe4ed1]::marker::Sync as core[6883ba1bc0fe4ed1]::ops::function::FnOnce<()>>::call_once
[INFO] [stdout]                                at /rustc/6b3fa26749ab40e159b2dd5cf577acaaf5902772/library/core/src/ops/function.rs:287:21
[INFO] [stdout]   32:     0x580875622547 - std[73adb7dc35730857]::panicking::catch_unwind::do_call::<&dyn core[6883ba1bc0fe4ed1]::ops::function::Fn<(), Output = i32> + core[6883ba1bc0fe4ed1]::panic::unwind_safe::RefUnwindSafe + core[6883ba1bc0fe4ed1]::marker::Sync, i32>
[INFO] [stdout]                                at /rustc/6b3fa26749ab40e159b2dd5cf577acaaf5902772/library/std/src/panicking.rs:576:43
[INFO] [stdout]   33:     0x580875622547 - std[73adb7dc35730857]::panicking::catch_unwind::<i32, &dyn core[6883ba1bc0fe4ed1]::ops::function::Fn<(), Output = i32> + core[6883ba1bc0fe4ed1]::panic::unwind_safe::RefUnwindSafe + core[6883ba1bc0fe4ed1]::marker::Sync>
[INFO] [stdout]                                at /rustc/6b3fa26749ab40e159b2dd5cf577acaaf5902772/library/std/src/panicking.rs:544:19
[INFO] [stdout]   34:     0x580875622547 - std[73adb7dc35730857]::panic::catch_unwind::<&dyn core[6883ba1bc0fe4ed1]::ops::function::Fn<(), Output = i32> + core[6883ba1bc0fe4ed1]::panic::unwind_safe::RefUnwindSafe + core[6883ba1bc0fe4ed1]::marker::Sync, i32>
[INFO] [stdout]                                at /rustc/6b3fa26749ab40e159b2dd5cf577acaaf5902772/library/std/src/panic.rs:359:14
[INFO] [stdout]   35:     0x580875622547 - std[73adb7dc35730857]::rt::lang_start_internal::{closure#0}
[INFO] [stdout]                                at /rustc/6b3fa26749ab40e159b2dd5cf577acaaf5902772/library/std/src/rt.rs:175:24
[INFO] [stdout]   36:     0x580875622547 - std[73adb7dc35730857]::panicking::catch_unwind::do_call::<std[73adb7dc35730857]::rt::lang_start_internal::{closure#0}, isize>
[INFO] [stdout]                                at /rustc/6b3fa26749ab40e159b2dd5cf577acaaf5902772/library/std/src/panicking.rs:576:43
[INFO] [stdout]   37:     0x580875622547 - std[73adb7dc35730857]::panicking::catch_unwind::<isize, std[73adb7dc35730857]::rt::lang_start_internal::{closure#0}>
[INFO] [stdout]                                at /rustc/6b3fa26749ab40e159b2dd5cf577acaaf5902772/library/std/src/panicking.rs:544:19
[INFO] [stdout]   38:     0x580875622547 - std[73adb7dc35730857]::panic::catch_unwind::<std[73adb7dc35730857]::rt::lang_start_internal::{closure#0}, isize>
[INFO] [stdout]                                at /rustc/6b3fa26749ab40e159b2dd5cf577acaaf5902772/library/std/src/panic.rs:359:14
[INFO] [stdout]   39:     0x580875622547 - std[73adb7dc35730857]::rt::lang_start_internal
[INFO] [stdout]                                at /rustc/6b3fa26749ab40e159b2dd5cf577acaaf5902772/library/std/src/rt.rs:171:5
[INFO] [stdout]   40:     0x5808754baa47 - std[73adb7dc35730857]::rt::lang_start::<()>
[INFO] [stdout]                                at /rustc/6b3fa26749ab40e159b2dd5cf577acaaf5902772/library/std/src/rt.rs:205:5
[INFO] [stdout]   41:     0x5808754bac7e - main
[INFO] [stdout]   42:     0x7884021101ca - <unknown>
[INFO] [stdout]   43:     0x78840211028b - __libc_start_main
[INFO] [stdout]   44:     0x5808754ba8a5 - _start
[INFO] [stdout]   45:                0x0 - <unknown>
[INFO] [stdout] ```
[INFO] [stdout] ```
[INFO] [stdout] command=`"/opt/rustwide/target/debug/head" "tests/head/inputs/one.txt" "-c" "4"`
[INFO] [stdout] code=101
[INFO] [stdout] stdout=""
[INFO] [stdout] stderr=<90 lines total>
[INFO] [stdout] ```
[INFO] [stdout] 
[INFO] [stdout] thread \'main\' (3226) panicked at /opt/rustwide/cargo-home/registry/src/index.crates.io-1949cf8c6b5b557f/clap-3.2.25/src/parser/matches/arg_matches.rs:547:22:
[INFO] [stdout] Must use `Arg::allow_invalid_utf8` with `_os` lookups at `files`
[INFO] [stdout] stack backtrace:
[INFO] [stdout]    0:     0x580875627601 - std[73adb7dc35730857]::backtrace_rs::backtrace::libunwind::trace
[INFO] [stdout]                                at /rustc/6b3fa26749ab40e159b2dd5cf577acaaf5902772/library/std/src/../../backtrace/src/backtrace/libunwind.rs:117:9
[INFO] [stdout]    1:     0x580875627601 - std[73adb7dc35730857]::backtrace_rs::backtrace::trace_unsynchronized::<std[73adb7dc35730857]::sys::backtrace::_print_fmt::{closure#1}>
[INFO] [stdout]                                at /rustc/6b3fa26749ab40e159b2dd5cf577acaaf5902772/library/std/src/../../backtrace/src/backtrace/mod.rs:66:14
[INFO] [stdout]    2:     0x580875627601 - std[73adb7dc35730857]::sys::backtrace::_print_fmt
[INFO] [stdout]                                at /rustc/6b3fa26749ab40e159b2dd5cf577acaaf5902772/library/std/src/sys/backtrace.rs:74:9
[INFO] [stdout]    3:     0x580875627601 - <<std[73adb7dc35730857]::sys::backtrace::BacktraceLock>::print::DisplayBacktrace as core[6883ba1bc0fe4ed1]::fmt::Display>::fmt
[INFO] [stdout]                                at /rustc/6b3fa26749ab40e159b2dd5cf577acaaf5902772/library/std/src/sys/backtrace.rs:44:26
[INFO] [stdout]    4:     0x58087563b28a - <core[6883ba1bc0fe4ed1]::fmt::rt::Argument>::fmt
[INFO] [stdout]                                at /rustc/6b3fa26749ab40e159b2dd5cf577acaaf5902772/library/core/src/fmt/rt.rs:152:76
[INFO] [stdout]    5:     0x58087563b28a - core[6883ba1bc0fe4ed1]::fmt::write
[INFO] [stdout]    6:     0x58087562ccec - std[73adb7dc35730857]::io::default_write_fmt::<std[73adb7dc35730857]::sys::stdio::unix::Stderr>
[INFO] [stdout]                                at /rustc/6b3fa26749ab40e159b2dd5cf577acaaf5902772/library/std/src/io/mod.rs:626:11
[INFO] [stdout]    7:     0x58087562ccec - <std[73adb7dc35730857]::sys::stdio::unix::Stderr as std[73adb7dc35730857]::io::Write>::write_fmt
[INFO] [stdout]                                at /rustc/6b3fa26749ab40e159b2dd5cf577acaaf5902772/library/std/src/io/mod.rs:1730:13
[INFO] [stdout]    8:     0x580875611e16 - <std[73adb7dc35730857]::sys::backtrace::BacktraceLock>::print
[INFO] [stdout] ```
[INFO] [stdout] <30 lines omitted>
[INFO] [stdout] ```
[INFO] [stdout]                                at /rustc/6b3fa26749ab40e159b2dd5cf577acaaf5902772/library/alloc/src/vec/mod.rs:3941:9
[INFO] [stdout]   24:     0x5808754c108e - <core[6883ba1bc0fe4ed1]::iter::adapters::map::Map<core[6883ba1bc0fe4ed1]::iter::adapters::flatten::Flatten<core[6883ba1bc0fe4ed1]::slice::iter::Iter<alloc[55a36b64bcbf2c0d]::vec::Vec<clap[965b0170b9d3cf34]::parser::matches::any_value::AnyValue>>>, <clap[965b0170b9d3cf34]::parser::matches::arg_matches::ArgMatches>::values_of_lossy<&str>::{closure#0}> as core[6883ba1bc0fe4ed1]::iter::traits::iterator::Iterator>::collect::<alloc[55a36b64bcbf2c0d]::vec::Vec<alloc[55a36b64bcbf2c0d]::string::String>>
[INFO] [stdout]                                at /rustc/6b3fa26749ab40e159b2dd5cf577acaaf5902772/library/core/src/iter/traits/iterator.rs:2090:9
[INFO] [stdout]   25:     0x5808754bb166 - <clap[965b0170b9d3cf34]::parser::matches::arg_matches::ArgMatches>::values_of_lossy::<&str>
[INFO] [stdout]                                at /opt/rustwide/cargo-home/registry/src/index.crates.io-1949cf8c6b5b557f/clap-3.2.25/src/parser/matches/arg_matches.rs:548:14
[INFO] [stdout]   26:     0x5808754c518b - command_line_rust[2a7d65b3375657d0]::head::get_args
[INFO] [stdout]                                at /opt/rustwide/workdir/src/head/mod.rs:92:24
[INFO] [stdout]   27:     0x5808754baad2 - head[5f62c2f9cff836a0]::main
[INFO] [stdout]                                at /opt/rustwide/workdir/src/head/main.rs:4:21
[INFO] [stdout]   28:     0x5808754babeb - <fn() as core[6883ba1bc0fe4ed1]::ops::function::FnOnce<()>>::call_once
[INFO] [stdout]                                at /rustc/6b3fa26749ab40e159b2dd5cf577acaaf5902772/library/core/src/ops/function.rs:250:5
[INFO] [stdout]   29:     0x5808754baa5e - std[73adb7dc35730857]::sys::backtrace::__rust_begin_short_backtrace::<fn(), ()>
[INFO] [stdout]                                at /rustc/6b3fa26749ab40e159b2dd5cf577acaaf5902772/library/std/src/sys/backtrace.rs:166:18
[INFO] [stdout]   30:     0x5808754baa81 - std[73adb7dc35730857]::rt::lang_start::<()>::{closure#0}
[INFO] [stdout]                                at /rustc/6b3fa26749ab40e159b2dd5cf577acaaf5902772/library/std/src/rt.rs:206:18
[INFO] [stdout]   31:     0x580875622547 - <&dyn core[6883ba1bc0fe4ed1]::ops::function::Fn<(), Output = i32> + core[6883ba1bc0fe4ed1]::panic::unwind_safe::RefUnwindSafe + core[6883ba1bc0fe4ed1]::marker::Sync as core[6883ba1bc0fe4ed1]::ops::function::FnOnce<()>>::call_once
[INFO] [stdout]                                at /rustc/6b3fa26749ab40e159b2dd5cf577acaaf5902772/library/core/src/ops/function.rs:287:21
[INFO] [stdout]   32:     0x580875622547 - std[73adb7dc35730857]::panicking::catch_unwind::do_call::<&dyn core[6883ba1bc0fe4ed1]::ops::function::Fn<(), Output = i32> + core[6883ba1bc0fe4ed1]::panic::unwind_safe::RefUnwindSafe + core[6883ba1bc0fe4ed1]::marker::Sync, i32>
[INFO] [stdout]                                at /rustc/6b3fa26749ab40e159b2dd5cf577acaaf5902772/library/std/src/panicking.rs:576:43
[INFO] [stdout]   33:     0x580875622547 - std[73adb7dc35730857]::panicking::catch_unwind::<i32, &dyn core[6883ba1bc0fe4ed1]::ops::function::Fn<(), Output = i32> + core[6883ba1bc0fe4ed1]::panic::unwind_safe::RefUnwindSafe + core[6883ba1bc0fe4ed1]::marker::Sync>
[INFO] [stdout]                                at /rustc/6b3fa26749ab40e159b2dd5cf577acaaf5902772/library/std/src/panicking.rs:544:19
[INFO] [stdout]   34:     0x580875622547 - std[73adb7dc35730857]::panic::catch_unwind::<&dyn core[6883ba1bc0fe4ed1]::ops::function::Fn<(), Output = i32> + core[6883ba1bc0fe4ed1]::panic::unwind_safe::RefUnwindSafe + core[6883ba1bc0fe4ed1]::marker::Sync, i32>
[INFO] [stdout]                                at /rustc/6b3fa26749ab40e159b2dd5cf577acaaf5902772/library/std/src/panic.rs:359:14
[INFO] [stdout]   35:     0x580875622547 - std[73adb7dc35730857]::rt::lang_start_internal::{closure#0}
[INFO] [stdout]                                at /rustc/6b3fa26749ab40e159b2dd5cf577acaaf5902772/library/std/src/rt.rs:175:24
[INFO] [stdout]   36:     0x580875622547 - std[73adb7dc35730857]::panicking::catch_unwind::do_call::<std[73adb7dc35730857]::rt::lang_start_internal::{closure#0}, isize>
[INFO] [stdout]                                at /rustc/6b3fa26749ab40e159b2dd5cf577acaaf5902772/library/std/src/panicking.rs:576:43
[INFO] [stdout]   37:     0x580875622547 - std[73adb7dc35730857]::panicking::catch_unwind::<isize, std[73adb7dc35730857]::rt::lang_start_internal::{closure#0}>
[INFO] [stdout]                                at /rustc/6b3fa26749ab40e159b2dd5cf577acaaf5902772/library/std/src/panicking.rs:544:19
[INFO] [stdout]   38:     0x580875622547 - std[73adb7dc35730857]::panic::catch_unwind::<std[73adb7dc35730857]::rt::lang_start_internal::{closure#0}, isize>
[INFO] [stdout]                                at /rustc/6b3fa26749ab40e159b2dd5cf577acaaf5902772/library/std/src/panic.rs:359:14
[INFO] [stdout]   39:     0x580875622547 - std[73adb7dc35730857]::rt::lang_start_internal
[INFO] [stdout]                                at /rustc/6b3fa26749ab40e159b2dd5cf577acaaf5902772/library/std/src/rt.rs:171:5
[INFO] [stdout]   40:     0x5808754baa47 - std[73adb7dc35730857]::rt::lang_start::<()>
[INFO] [stdout]                                at /rustc/6b3fa26749ab40e159b2dd5cf577acaaf5902772/library/std/src/rt.rs:205:5
[INFO] [stdout]   41:     0x5808754bac7e - main
[INFO] [stdout]   42:     0x7884021101ca - <unknown>
[INFO] [stdout]   43:     0x78840211028b - __libc_start_main
[INFO] [stdout]   44:     0x5808754ba8a5 - _start
[INFO] [stdout]   45:                0x0 - <unknown>
[INFO] [stdout] ```
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] stack backtrace:
[INFO] [stdout]    0:     0x5c98fa0d5011 - std[73adb7dc35730857]::backtrace_rs::backtrace::libunwind::trace
[INFO] [stdout]                                at /rustc/6b3fa26749ab40e159b2dd5cf577acaaf5902772/library/std/src/../../backtrace/src/backtrace/libunwind.rs:117:9
[INFO] [stdout]    1:     0x5c98fa0d5011 - std[73adb7dc35730857]::backtrace_rs::backtrace::trace_unsynchronized::<std[73adb7dc35730857]::sys::backtrace::_print_fmt::{closure#1}>
[INFO] [stdout]                                at /rustc/6b3fa26749ab40e159b2dd5cf577acaaf5902772/library/std/src/../../backtrace/src/backtrace/mod.rs:66:14
[INFO] [stdout]    2:     0x5c98fa0d5011 - std[73adb7dc35730857]::sys::backtrace::_print_fmt
[INFO] [stdout]                                at /rustc/6b3fa26749ab40e159b2dd5cf577acaaf5902772/library/std/src/sys/backtrace.rs:74:9
[INFO] [stdout]    3:     0x5c98fa0d5011 - <<std[73adb7dc35730857]::sys::backtrace::BacktraceLock>::print::DisplayBacktrace as core[6883ba1bc0fe4ed1]::fmt::Display>::fmt
[INFO] [stdout]                                at /rustc/6b3fa26749ab40e159b2dd5cf577acaaf5902772/library/std/src/sys/backtrace.rs:44:26
[INFO] [stdout]    4:     0x5c98fa0eb71a - <core[6883ba1bc0fe4ed1]::fmt::rt::Argument>::fmt
[INFO] [stdout]                                at /rustc/6b3fa26749ab40e159b2dd5cf577acaaf5902772/library/core/src/fmt/rt.rs:152:76
[INFO] [stdout]    5:     0x5c98fa0eb71a - core[6883ba1bc0fe4ed1]::fmt::write
[INFO] [stdout]    6:     0x5c98fa0da99c - std[73adb7dc35730857]::io::default_write_fmt::<alloc[55a36b64bcbf2c0d]::vec::Vec<u8>>
[INFO] [stdout]                                at /rustc/6b3fa26749ab40e159b2dd5cf577acaaf5902772/library/std/src/io/mod.rs:626:11
[INFO] [stdout]    7:     0x5c98fa0da99c - <alloc[55a36b64bcbf2c0d]::vec::Vec<u8> as std[73adb7dc35730857]::io::Write>::write_fmt
[INFO] [stdout]                                at /rustc/6b3fa26749ab40e159b2dd5cf577acaaf5902772/library/std/src/io/mod.rs:1730:13
[INFO] [stdout]    8:     0x5c98fa0b2986 - <std[73adb7dc35730857]::sys::backtrace::BacktraceLock>::print
[INFO] [stdout]                                at /rustc/6b3fa26749ab40e159b2dd5cf577acaaf5902772/library/std/src/sys/backtrace.rs:47:9
[INFO] [stdout]    9:     0x5c98fa0b2986 - std[73adb7dc35730857]::panicking::default_hook::{closure#0}
[INFO] [stdout]                                at /rustc/6b3fa26749ab40e159b2dd5cf577acaaf5902772/library/std/src/panicking.rs:292:27
[INFO] [stdout]   10:     0x5c98fa0ccd09 - std[73adb7dc35730857]::panicking::default_hook
[INFO] [stdout]                                at /rustc/6b3fa26749ab40e159b2dd5cf577acaaf5902772/library/std/src/panicking.rs:316:9
[INFO] [stdout]   11:     0x5c98f9e5fc40 - <alloc[55a36b64bcbf2c0d]::boxed::Box<dyn for<'a, 'b> core[6883ba1bc0fe4ed1]::ops::function::Fn<(&'a std[73adb7dc35730857]::panic::PanicHookInfo<'b>,), Output = ()> + core[6883ba1bc0fe4ed1]::marker::Send + core[6883ba1bc0fe4ed1]::marker::Sync> as core[6883ba1bc0fe4ed1]::ops::function::Fn<(&std[73adb7dc35730857]::panic::PanicHookInfo,)>>::call
[INFO] [stdout]                                at /rustc/6b3fa26749ab40e159b2dd5cf577acaaf5902772/library/alloc/src/boxed.rs:2333:9
[INFO] [stdout]   12:     0x5c98f9e5fc40 - test[980ffaebd391d06d]::test_main_inner::<test[980ffaebd391d06d]::test_main_static::{closure#0}>::{closure#0}
[INFO] [stdout]                                at /rustc/6b3fa26749ab40e159b2dd5cf577acaaf5902772/library/test/src/lib.rs:155:21
[INFO] [stdout]   13:     0x5c98fa0ccec2 - <alloc[55a36b64bcbf2c0d]::boxed::Box<dyn for<'a, 'b> core[6883ba1bc0fe4ed1]::ops::function::Fn<(&'a std[73adb7dc35730857]::panic::PanicHookInfo<'b>,), Output = ()> + core[6883ba1bc0fe4ed1]::marker::Send + core[6883ba1bc0fe4ed1]::marker::Sync> as core[6883ba1bc0fe4ed1]::ops::function::Fn<(&std[73adb7dc35730857]::panic::PanicHookInfo,)>>::call
[INFO] [stdout]                                at /rustc/6b3fa26749ab40e159b2dd5cf577acaaf5902772/library/alloc/src/boxed.rs:2333:9
[INFO] [stdout]   14:     0x5c98fa0ccec2 - std[73adb7dc35730857]::panicking::panic_with_hook
[INFO] [stdout]                                at /rustc/6b3fa26749ab40e159b2dd5cf577acaaf5902772/library/std/src/panicking.rs:823:13
[INFO] [stdout]   15:     0x5c98fa0b2a32 - std[73adb7dc35730857]::panicking::panic_handler::{closure#0}
[INFO] [stdout]                                at /rustc/6b3fa26749ab40e159b2dd5cf577acaaf5902772/library/std/src/panicking.rs:688:13
[INFO] [stdout]   16:     0x5c98fa0aa1d9 - std[73adb7dc35730857]::sys::backtrace::__rust_end_short_backtrace::<std[73adb7dc35730857]::panicking::panic_handler::{closure#0}, !>
[INFO] [stdout]                                at /rustc/6b3fa26749ab40e159b2dd5cf577acaaf5902772/library/std/src/sys/backtrace.rs:182:18
[INFO] [stdout]   17:     0x5c98fa0b362d - __rustc[a7b7b02e776dd976]::rust_begin_unwind
[INFO] [stdout]                                at /rustc/6b3fa26749ab40e159b2dd5cf577acaaf5902772/library/std/src/panicking.rs:679:5
[INFO] [stdout]   18:     0x5c98fa0ebf9c - core[6883ba1bc0fe4ed1]::panicking::panic_fmt
[INFO] [stdout]                                at /rustc/6b3fa26749ab40e159b2dd5cf577acaaf5902772/library/core/src/panicking.rs:80:14
[INFO] [stdout]   19:     0x5c98fa03b8b8 - core[6883ba1bc0fe4ed1]::panicking::panic_display::<assert_cmd[35418449b5f7a4b8]::assert::AssertError>
[INFO] [stdout]                                at /rustc/6b3fa26749ab40e159b2dd5cf577acaaf5902772/library/core/src/panicking.rs:259:5
[INFO] [stdout]   20:     0x5c98fa0426c7 - <assert_cmd[35418449b5f7a4b8]::assert::AssertError>::panic::<assert_cmd[35418449b5f7a4b8]::assert::Assert>
[INFO] [stdout]                                at /opt/rustwide/cargo-home/registry/src/index.crates.io-1949cf8c6b5b557f/assert_cmd-2.0.11/src/assert.rs:1033:9
[INFO] [stdout]   21:     0x5c98fa038947 - <<assert_cmd[35418449b5f7a4b8]::assert::AssertError>::panic<assert_cmd[35418449b5f7a4b8]::assert::Assert> as core[6883ba1bc0fe4ed1]::ops::function::FnOnce<(assert_cmd[35418449b5f7a4b8]::assert::AssertError,)>>::call_once
[INFO] [stdout]                                at /rustc/6b3fa26749ab40e159b2dd5cf577acaaf5902772/library/core/src/ops/function.rs:250:5
[INFO] [stdout]   22:     0x5c98fa041dfb - <core[6883ba1bc0fe4ed1]::result::Result<assert_cmd[35418449b5f7a4b8]::assert::Assert, assert_cmd[35418449b5f7a4b8]::assert::AssertError>>::unwrap_or_else::<<assert_cmd[35418449b5f7a4b8]::assert::AssertError>::panic<assert_cmd[35418449b5f7a4b8]::assert::Assert>>
[INFO] [stdout]                                at /rustc/6b3fa26749ab40e159b2dd5cf577acaaf5902772/library/core/src/result.rs:1620:23
[INFO] [stdout]   23:     0x5c98fa0442a0 - <assert_cmd[35418449b5f7a4b8]::assert::Assert>::success
[INFO] [stdout]                                at /opt/rustwide/cargo-home/registry/src/index.crates.io-1949cf8c6b5b557f/assert_cmd-2.0.11/src/assert.rs:158:28
[INFO] [stdout]   24:     0x5c98f9e4c073 - lib[ef69c164f1f8dd99]::head::run
[INFO] [stdout]                                at /opt/rustwide/workdir/tests/head/mod.rs:105:10
[INFO] [stdout]   25:     0x5c98f9e4df7e - lib[ef69c164f1f8dd99]::head::one_c4
[INFO] [stdout]                                at /opt/rustwide/workdir/tests/head/mod.rs:187:5
[INFO] [stdout]   26:     0x5c98f9e47ba7 - lib[ef69c164f1f8dd99]::head::one_c4::{closure#0}
[INFO] [stdout]                                at /opt/rustwide/workdir/tests/head/mod.rs:186:16
[INFO] [stdout]   27:     0x5c98f9e52716 - <lib[ef69c164f1f8dd99]::head::one_c4::{closure#0} as core[6883ba1bc0fe4ed1]::ops::function::FnOnce<()>>::call_once
[INFO] [stdout]                                at /rustc/6b3fa26749ab40e159b2dd5cf577acaaf5902772/library/core/src/ops/function.rs:250:5
[INFO] [stdout]   28:     0x5c98f9e52f7b - <fn() -> core[6883ba1bc0fe4ed1]::result::Result<(), alloc[55a36b64bcbf2c0d]::string::String> as core[6883ba1bc0fe4ed1]::ops::function::FnOnce<()>>::call_once
[INFO] [stdout]                                at /rustc/6b3fa26749ab40e159b2dd5cf577acaaf5902772/library/core/src/ops/function.rs:250:5
[INFO] [stdout]   29:     0x5c98f9e52f7b - test[980ffaebd391d06d]::__rust_begin_short_backtrace::<core[6883ba1bc0fe4ed1]::result::Result<(), alloc[55a36b64bcbf2c0d]::string::String>, fn() -> core[6883ba1bc0fe4ed1]::result::Result<(), alloc[55a36b64bcbf2c0d]::string::String>>
[INFO] [stdout]                                at /rustc/6b3fa26749ab40e159b2dd5cf577acaaf5902772/library/test/src/lib.rs:724:18
[INFO] [stdout]   30:     0x5c98f9e605c5 - test[980ffaebd391d06d]::run_test_in_process::{closure#0}
[INFO] [stdout]                                at /rustc/6b3fa26749ab40e159b2dd5cf577acaaf5902772/library/test/src/lib.rs:747:74
[INFO] [stdout]   31:     0x5c98f9e605c5 - <core[6883ba1bc0fe4ed1]::panic::unwind_safe::AssertUnwindSafe<test[980ffaebd391d06d]::run_test_in_process::{closure#0}> as core[6883ba1bc0fe4ed1]::ops::function::FnOnce<()>>::call_once
[INFO] [stdout]                                at /rustc/6b3fa26749ab40e159b2dd5cf577acaaf5902772/library/core/src/panic/unwind_safe.rs:275:9
[INFO] [stdout]   32:     0x5c98f9e605c5 - std[73adb7dc35730857]::panicking::catch_unwind::do_call::<core[6883ba1bc0fe4ed1]::panic::unwind_safe::AssertUnwindSafe<test[980ffaebd391d06d]::run_test_in_process::{closure#0}>, core[6883ba1bc0fe4ed1]::result::Result<(), alloc[55a36b64bcbf2c0d]::string::String>>
[INFO] [stdout]                                at /rustc/6b3fa26749ab40e159b2dd5cf577acaaf5902772/library/std/src/panicking.rs:576:43
[INFO] [stdout]   33:     0x5c98f9e605c5 - std[73adb7dc35730857]::panicking::catch_unwind::<core[6883ba1bc0fe4ed1]::result::Result<(), alloc[55a36b64bcbf2c0d]::string::String>, core[6883ba1bc0fe4ed1]::panic::unwind_safe::AssertUnwindSafe<test[980ffaebd391d06d]::run_test_in_process::{closure#0}>>
[INFO] [stdout]                                at /rustc/6b3fa26749ab40e159b2dd5cf577acaaf5902772/library/std/src/panicking.rs:544:19
[INFO] [stdout]   34:     0x5c98f9e605c5 - std[73adb7dc35730857]::panic::catch_unwind::<core[6883ba1bc0fe4ed1]::panic::unwind_safe::AssertUnwindSafe<test[980ffaebd391d06d]::run_test_in_process::{closure#0}>, core[6883ba1bc0fe4ed1]::result::Result<(), alloc[55a36b64bcbf2c0d]::string::String>>
[INFO] [stdout]                                at /rustc/6b3fa26749ab40e159b2dd5cf577acaaf5902772/library/std/src/panic.rs:359:14
[INFO] [stdout]   35:     0x5c98f9e605c5 - test[980ffaebd391d06d]::run_test_in_process
[INFO] [stdout]                                at /rustc/6b3fa26749ab40e159b2dd5cf577acaaf5902772/library/test/src/lib.rs:747:27
[INFO] [stdout]   36:     0x5c98f9e605c5 - test[980ffaebd391d06d]::run_test::{closure#0}
[INFO] [stdout]                                at /rustc/6b3fa26749ab40e159b2dd5cf577acaaf5902772/library/test/src/lib.rs:668:43
[INFO] [stdout]   37:     0x5c98f9e5b074 - test[980ffaebd391d06d]::run_test::{closure#1}
[INFO] [stdout]                                at /rustc/6b3fa26749ab40e159b2dd5cf577acaaf5902772/library/test/src/lib.rs:698:41
[INFO] [stdout]   38:     0x5c98f9e5b074 - std[73adb7dc35730857]::sys::backtrace::__rust_begin_short_backtrace::<test[980ffaebd391d06d]::run_test::{closure#1}, ()>
[INFO] [stdout]                                at /rustc/6b3fa26749ab40e159b2dd5cf577acaaf5902772/library/std/src/sys/backtrace.rs:166:18
[INFO] [stdout]   39:     0x5c98f9e63712 - std[73adb7dc35730857]::thread::lifecycle::spawn_unchecked::<test[980ffaebd391d06d]::run_test::{closure#1}, ()>::{closure#1}::{closure#0}
[INFO] [stdout]                                at /rustc/6b3fa26749ab40e159b2dd5cf577acaaf5902772/library/std/src/thread/lifecycle.rs:70:13
[INFO] [stdout]   40:     0x5c98f9e63712 - <core[6883ba1bc0fe4ed1]::panic::unwind_safe::AssertUnwindSafe<std[73adb7dc35730857]::thread::lifecycle::spawn_unchecked<test[980ffaebd391d06d]::run_test::{closure#1}, ()>::{closure#1}::{closure#0}> as core[6883ba1bc0fe4ed1]::ops::function::FnOnce<()>>::call_once
[INFO] [stdout]                                at /rustc/6b3fa26749ab40e159b2dd5cf577acaaf5902772/library/core/src/panic/unwind_safe.rs:275:9
[INFO] [stdout]   41:     0x5c98f9e63712 - std[73adb7dc35730857]::panicking::catch_unwind::do_call::<core[6883ba1bc0fe4ed1]::panic::unwind_safe::AssertUnwindSafe<std[73adb7dc35730857]::thread::lifecycle::spawn_unchecked<test[980ffaebd391d06d]::run_test::{closure#1}, ()>::{closure#1}::{closure#0}>, ()>
[INFO] [stdout]                                at /rustc/6b3fa26749ab40e159b2dd5cf577acaaf5902772/library/std/src/panicking.rs:576:43
[INFO] [stdout]   42:     0x5c98f9e63712 - std[73adb7dc35730857]::panicking::catch_unwind::<(), core[6883ba1bc0fe4ed1]::panic::unwind_safe::AssertUnwindSafe<std[73adb7dc35730857]::thread::lifecycle::spawn_unchecked<test[980ffaebd391d06d]::run_test::{closure#1}, ()>::{closure#1}::{closure#0}>>
[INFO] [stdout]                                at /rustc/6b3fa26749ab40e159b2dd5cf577acaaf5902772/library/std/src/panicking.rs:544:19
[INFO] [stdout]   43:     0x5c98f9e63712 - std[73adb7dc35730857]::panic::catch_unwind::<core[6883ba1bc0fe4ed1]::panic::unwind_safe::AssertUnwindSafe<std[73adb7dc35730857]::thread::lifecycle::spawn_unchecked<test[980ffaebd391d06d]::run_test::{closure#1}, ()>::{closure#1}::{closure#0}>, ()>
[INFO] [stdout]                                at /rustc/6b3fa26749ab40e159b2dd5cf577acaaf5902772/library/std/src/panic.rs:359:14
[INFO] [stdout]   44:     0x5c98f9e63712 - std[73adb7dc35730857]::thread::lifecycle::spawn_unchecked::<test[980ffaebd391d06d]::run_test::{closure#1}, ()>::{closure#1}
[INFO] [stdout]                                at /rustc/6b3fa26749ab40e159b2dd5cf577acaaf5902772/library/std/src/thread/lifecycle.rs:68:26
[INFO] [stdout]   45:     0x5c98f9e63712 - <std[73adb7dc35730857]::thread::lifecycle::spawn_unchecked<test[980ffaebd391d06d]::run_test::{closure#1}, ()>::{closure#1} as core[6883ba1bc0fe4ed1]::ops::function::FnOnce<()>>::call_once::{shim:vtable#0}
[INFO] [stdout]                                at /rustc/6b3fa26749ab40e159b2dd5cf577acaaf5902772/library/core/src/ops/function.rs:250:5
[INFO] [stdout]   46:     0x5c98fa0d44af - <alloc[55a36b64bcbf2c0d]::boxed::Box<dyn core[6883ba1bc0fe4ed1]::ops::function::FnOnce<(), Output = ()> + core[6883ba1bc0fe4ed1]::marker::Send> as core[6883ba1bc0fe4ed1]::ops::function::FnOnce<()>>::call_once
[INFO] [stdout]                                at /rustc/6b3fa26749ab40e159b2dd5cf577acaaf5902772/library/alloc/src/boxed.rs:2319:9
[INFO] [stdout]   47:     0x5c98fa0d44af - <std[73adb7dc35730857]::sys::thread::unix::Thread>::new::thread_start
[INFO] [stdout]                                at /rustc/6b3fa26749ab40e159b2dd5cf577acaaf5902772/library/std/src/sys/thread/unix.rs:123:17
[INFO] [stdout]   48:     0x718092357aa4 - <unknown>
[INFO] [stdout]   49:     0x7180923e4a64 - clone
[INFO] [stdout]   50:                0x0 - <unknown>
[INFO] [stdout] 
[INFO] [stdout] ---- head::skips_bad_file stdout ----
[INFO] [stdout] 
[INFO] [stdout] thread 'head::skips_bad_file' (3215) panicked at /rustc/6b3fa26749ab40e159b2dd5cf577acaaf5902772/library/core/src/ops/function.rs:250:5:
[INFO] [stdout] Unexpected stderr, failed var.is_match(z3tWxGV: .* [(]os error 2[)])
[INFO] [stdout] ├── var: 
[INFO] [stdout] │   thread 'main' (3218) panicked at /opt/rustwide/cargo-home/registry/src/index.crates.io-1949cf8c6b5b557f/clap-3.2.25/src/parser/matches/arg_matches.rs:547:22:
[INFO] [stdout] │   Must use `Arg::allow_invalid_utf8` with `_os` lookups at `files`
[INFO] [stdout] │   stack backtrace:
[INFO] [stdout] │      0:     0x5f95cb63f601 - std[73adb7dc35730857]::backtrace_rs::backtrace::libunwind::trace
[INFO] [stdout] │                                  at /rustc/6b3fa26749ab40e159b2dd5cf577acaaf5902772/library/std/src/../../backtrace/src/backtrace/libunwind.rs:117:9
[INFO] [stdout] │      1:     0x5f95cb63f601 - std[73adb7dc35730857]::backtrace_rs::backtrace::trace_unsynchronized::<std[73adb7dc35730857]::sys::backtrace::_print_fmt::{closure#1}>
[INFO] [stdout] │                                  at /rustc/6b3fa26749ab40e159b2dd5cf577acaaf5902772/library/std/src/../../backtrace/src/backtrace/mod.rs:66:14
[INFO] [stdout] │      2:     0x5f95cb63f601 - std[73adb7dc35730857]::sys::backtrace::_print_fmt
[INFO] [stdout] │                                  at /rustc/6b3fa26749ab40e159b2dd5cf577acaaf5902772/library/std/src/sys/backtrace.rs:74:9
[INFO] [stdout] │      3:     0x5f95cb63f601 - <<std[73adb7dc35730857]::sys::backtrace::BacktraceLock>::print::DisplayBacktrace as core[6883ba1bc0fe4ed1]::fmt::Display>::fmt
[INFO] [stdout] │                                  at /rustc/6b3fa26749ab40e159b2dd5cf577acaaf5902772/library/std/src/sys/backtrace.rs:44:26
[INFO] [stdout] │      4:     0x5f95cb65328a - <core[6883ba1bc0fe4ed1]::fmt::rt::Argument>::fmt
[INFO] [stdout] │                                  at /rustc/6b3fa26749ab40e159b2dd5cf577acaaf5902772/library/core/src/fmt/rt.rs:152:76
[INFO] [stdout] │      5:     0x5f95cb65328a - core[6883ba1bc0fe4ed1]::fmt::write
[INFO] [stdout] │      6:     0x5f95cb644cec - std[73adb7dc35730857]::io::default_write_fmt::<std[73adb7dc35730857]::sys::stdio::unix::Stderr>
[INFO] [stdout] │                                  at /rustc/6b3fa26749ab40e159b2dd5cf577acaaf5902772/library/std/src/io/mod.rs:626:11
[INFO] [stdout] │      7:     0x5f95cb644cec - <std[73adb7dc35730857]::sys::stdio::unix::Stderr as std[73adb7dc35730857]::io::Write>::write_fmt
[INFO] [stdout] │                                  at /rustc/6b3fa26749ab40e159b2dd5cf577acaaf5902772/library/std/src/io/mod.rs:1730:13
[INFO] [stdout] │      8:     0x5f95cb629e16 - <std[73adb7dc35730857]::sys::backtrace::BacktraceLock>::print
[INFO] [stdout] │                                  at /rustc/6b3fa26749ab40e159b2dd5cf577acaaf5902772/library/std/src/sys/backtrace.rs:47:9
[INFO] [stdout] │      9:     0x5f95cb629e16 - std[73adb7dc35730857]::panicking::default_hook::{closure#0}
[INFO] [stdout] │                                  at /rustc/6b3fa26749ab40e159b2dd5cf577acaaf5902772/library/std/src/panicking.rs:292:27
[INFO] [stdout] │     10:     0x5f95cb63b081 - std[73adb7dc35730857]::panicking::default_hook
[INFO] [stdout] │                                  at /rustc/6b3fa26749ab40e159b2dd5cf577acaaf5902772/library/std/src/panicking.rs:319:9
[INFO] [stdout] │     11:     0x5f95cb63b23b - std[73adb7dc35730857]::panicking::panic_with_hook
[INFO] [stdout] │                                  at /rustc/6b3fa26749ab40e159b2dd5cf577acaaf5902772/library/std/src/panicking.rs:815:13
[INFO] [stdout] │     12:     0x5f95cb629ec2 - std[73adb7dc35730857]::panicking::panic_handler::{closure#0}
[INFO] [stdout] │                                  at /rustc/6b3fa26749ab40e159b2dd5cf577acaaf5902772/library/std/src/panicking.rs:688:13
[INFO] [stdout] │     13:     0x5f95cb621839 - std[73adb7dc35730857]::sys::backtrace::__rust_end_short_backtrace::<std[73adb7dc35730857]::panicking::panic_handler::{closure#0}, !>
[INFO] [stdout] │                                  at /rustc/6b3fa26749ab40e159b2dd5cf577acaaf5902772/library/std/src/sys/backtrace.rs:182:18
[INFO] [stdout] │     14:     0x5f95cb62a73d - __rustc[a7b7b02e776dd976]::rust_begin_unwind
[INFO] [stdout] │                                  at /rustc/6b3fa26749ab40e159b2dd5cf577acaaf5902772/library/std/src/panicking.rs:679:5
[INFO] [stdout] │     15:     0x5f95cb653a5c - core[6883ba1bc0fe4ed1]::panicking::panic_fmt
[INFO] [stdout] │                                  at /rustc/6b3fa26749ab40e159b2dd5cf577acaaf5902772/library/core/src/panicking.rs:80:14
[INFO] [stdout] │     16:     0x5f95cb4d6d7a - clap[965b0170b9d3cf34]::parser::matches::arg_matches::unwrap_os_string_arg
[INFO] [stdout] │                                  at /opt/rustwide/cargo-home/registry/src/index.crates.io-1949cf8c6b5b557f/clap-3.2.25/src/parser/matches/arg_matches.rs:1879:13
[INFO] [stdout] │     17:     0x5f95cb4d6284 - <clap[965b0170b9d3cf34]::parser::matches::arg_matches::ArgMatches>::values_of_lossy::<&str>::{closure#0}
[INFO] [stdout] │                                  at /opt/rustwide/cargo-home/registry/src/index.crates.io-1949cf8c6b5b557f/clap-3.2.25/src/parser/matches/arg_matches.rs:547:22
[INFO] [stdout] │     18:     0x5f95cb4da163 - <&mut <clap[965b0170b9d3cf34]::parser::matches::arg_matches::ArgMatches>::values_of_lossy<&str>::{closure#0} as core[6883ba1bc0fe4ed1]::ops::function::FnOnce<(&clap[965b0170b9d3cf34]::parser::matches::any_value::AnyValue,)>>::call_once
[INFO] [stdout] │                                  at /rustc/6b3fa26749ab40e159b2dd5cf577acaaf5902772/library/core/src/ops/function.rs:310:21
[INFO] [stdout] │     19:     0x5f95cb4da163 - <core[6883ba1bc0fe4ed1]::option::Option<&clap[965b0170b9d3cf34]::parser::matches::any_value::AnyValue>>::map::<alloc[55a36b64bcbf2c0d]::string::String, &mut <clap[965b0170b9d3cf34]::parser::matches::arg_matches::ArgMatches>::values_of_lossy<&str>::{closure#0}>
[INFO] [stdout] │                                  at /rustc/6b3fa26749ab40e159b2dd5cf577acaaf5902772/library/core/src/option.rs:1163:29
[INFO] [stdout] │     20:     0x5f95cb4da163 - <core[6883ba1bc0fe4ed1]::iter::adapters::map::Map<core[6883ba1bc0fe4ed1]::iter::adapters::flatten::Flatten<core[6883ba1bc0fe4ed1]::slice::iter::Iter<alloc[55a36b64bcbf2c0d]::vec::Vec<clap[965b0170b9d3cf34]::parser::matches::any_value::AnyValue>>>, <clap[965b0170b9d3cf34]::parser::matches::arg_matches::ArgMatches>::values_of_lossy<&str>::{closure#0}> as core[6883ba1bc0fe4ed1]::iter::traits::iterator::Iterator>::next
[INFO] [stdout] │                                  at /rustc/6b3fa26749ab40e159b2dd5cf577acaaf5902772/library/core/src/iter/adapters/map.rs:107:26
[INFO] [stdout] │     21:     0x5f95cb4d738c - <alloc[55a36b64bcbf2c0d]::vec::Vec<alloc[55a36b64bcbf2c0d]::string::String> as alloc[55a36b64bcbf2c0d]::vec::spec_from_iter_nested::SpecFromIterNested<alloc[55a36b64bcbf2c0d]::string::String, core[6883ba1bc0fe4ed1]::iter::adapters::map::Map<core[6883ba1bc0fe4ed1]::iter::adapters::flatten::Flatten<core[6883ba1bc0fe4ed1]::slice::iter::Iter<alloc[55a36b64bcbf2c0d]::vec::Vec<clap[965b0170b9d3cf34]::parser::matches::any_value::AnyValue>>>, <clap[965b0170b9d3cf34]::parser::matches::arg_matches::ArgMatches>::values_of_lossy<&str>::{closure#0}>>>::from_iter
[INFO] [stdout] │                                  at /rustc/6b3fa26749ab40e159b2dd5cf577acaaf5902772/library/alloc/src/vec/spec_from_iter_nested.rs:24:41
[INFO] [stdout] │     22:     0x5f95cb4d731e - <alloc[55a36b64bcbf2c0d]::vec::Vec<alloc[55a36b64bcbf2c0d]::string::String> as alloc[55a36b64bcbf2c0d]::vec::spec_from_iter::SpecFromIter<alloc[55a36b64bcbf2c0d]::string::String, core[6883ba1bc0fe4ed1]::iter::adapters::map::Map<core[6883ba1bc0fe4ed1]::iter::adapters::flatten::Flatten<core[6883ba1bc0fe4ed1]::slice::iter::Iter<alloc[55a36b64bcbf2c0d]::vec::Vec<clap[965b0170b9d3cf34]::parser::matches::any_value::AnyValue>>>, <clap[965b0170b9d3cf34]::parser::matches::arg_matches::ArgMatches>::values_of_lossy<&str>::{closure#0}>>>::from_iter
[INFO] [stdout] │                                  at /rustc/6b3fa26749ab40e159b2dd5cf577acaaf5902772/library/alloc/src/vec/spec_from_iter.rs:33:9
[INFO] [stdout] │     23:     0x5f95cb4d61f7 - <alloc[55a36b64bcbf2c0d]::vec::Vec<alloc[55a36b64bcbf2c0d]::string::String> as core[6883ba1bc0fe4ed1]::iter::traits::collect::FromIterator<alloc[55a36b64bcbf2c0d]::string::String>>::from_iter::<core[6883ba1bc0fe4ed1]::iter::adapters::map::Map<core[6883ba1bc0fe4ed1]::iter::adapters::flatten::Flatten<core[6883ba1bc0fe4ed1]::slice::iter::Iter<alloc[55a36b64bcbf2c0d]::vec::Vec<clap[965b0170b9d3cf34]::parser::matches::any_value::AnyValue>>>, <clap[965b0170b9d3cf34]::parser::matches::arg_matches::ArgMatches>::values_of_lossy<&str>::{closure#0}>>
[INFO] [stdout] │                                  at /rustc/6b3fa26749ab40e159b2dd5cf577acaaf5902772/library/alloc/src/vec/mod.rs:3941:9
[INFO] [stdout] │     24:     0x5f95cb4d908e - <core[6883ba1bc0fe4ed1]::iter::adapters::map::Map<core[6883ba1bc0fe4ed1]::iter::adapters::flatten::Flatten<core[6883ba1bc0fe4ed1]::slice::iter::Iter<alloc[55a36b64bcbf2c0d]::vec::Vec<clap[965b0170b9d3cf34]::parser::matches::any_value::AnyValue>>>, <clap[965b0170b9d3cf34]::parser::matches::arg_matches::ArgMatches>::values_of_lossy<&str>::{closure#0}> as core[6883ba1bc0fe4ed1]::iter::traits::iterator::Iterator>::collect::<alloc[55a36b64bcbf2c0d]::vec::Vec<alloc[55a36b64bcbf2c0d]::string::String>>
[INFO] [stdout] │                                  at /rustc/6b3fa26749ab40e159b2dd5cf577acaaf5902772/library/core/src/iter/traits/iterator.rs:2090:9
[INFO] [stdout] │     25:     0x5f95cb4d3166 - <clap[965b0170b9d3cf34]::parser::matches::arg_matches::ArgMatches>::values_of_lossy::<&str>
[INFO] [stdout] │                                  at /opt/rustwide/cargo-home/registry/src/index.crates.io-1949cf8c6b5b557f/clap-3.2.25/src/parser/matches/arg_matches.rs:548:14
[INFO] [stdout] │     26:     0x5f95cb4dd18b - command_line_rust[2a7d65b3375657d0]::head::get_args
[INFO] [stdout] │                                  at /opt/rustwide/workdir/src/head/mod.rs:92:24
[INFO] [stdout] │     27:     0x5f95cb4d2ad2 - head[5f62c2f9cff836a0]::main
[INFO] [stdout] │                                  at /opt/rustwide/workdir/src/head/main.rs:4:21
[INFO] [stdout] │     28:     0x5f95cb4d2beb - <fn() as core[6883ba1bc0fe4ed1]::ops::function::FnOnce<()>>::call_once
[INFO] [stdout] │                                  at /rustc/6b3fa26749ab40e159b2dd5cf577acaaf5902772/library/core/src/ops/function.rs:250:5
[INFO] [stdout] │     29:     0x5f95cb4d2a5e - std[73adb7dc35730857]::sys::backtrace::__rust_begin_short_backtrace::<fn(), ()>
[INFO] [stdout] │                                  at /rustc/6b3fa26749ab40e159b2dd5cf577acaaf5902772/library/std/src/sys/backtrace.rs:166:18
[INFO] [stdout] │     30:     0x5f95cb4d2a81 - std[73adb7dc35730857]::rt::lang_start::<()>::{closure#0}
[INFO] [stdout] │                                  at /rustc/6b3fa26749ab40e159b2dd5cf577acaaf5902772/library/std/src/rt.rs:206:18
[INFO] [stdout] │     31:     0x5f95cb63a547 - <&dyn core[6883ba1bc0fe4ed1]::ops::function::Fn<(), Output = i32> + core[6883ba1bc0fe4ed1]::panic::unwind_safe::RefUnwindSafe + core[6883ba1bc0fe4ed1]::marker::Sync as core[6883ba1bc0fe4ed1]::ops::function::FnOnce<()>>::call_once
[INFO] [stdout] │                                  at /rustc/6b3fa26749ab40e159b2dd5cf577acaaf5902772/library/core/src/ops/function.rs:287:21
[INFO] [stdout] │     32:     0x5f95cb63a547 - std[73adb7dc35730857]::panicking::catch_unwind::do_call::<&dyn core[6883ba1bc0fe4ed1]::ops::function::Fn<(), Output = i32> + core[6883ba1bc0fe4ed1]::panic::unwind_safe::RefUnwindSafe + core[6883ba1bc0fe4ed1]::marker::Sync, i32>
[INFO] [stdout] │                                  at /rustc/6b3fa26749ab40e159b2dd5cf577acaaf5902772/library/std/src/panicking.rs:576:43
[INFO] [stdout] │     33:     0x5f95cb63a547 - std[73adb7dc35730857]::panicking::catch_unwind::<i32, &dyn core[6883ba1bc0fe4ed1]::ops::function::Fn<(), Output = i32> + core[6883ba1bc0fe4ed1]::panic::unwind_safe::RefUnwindSafe + core[6883ba1bc0fe4ed1]::marker::Sync>
[INFO] [stdout] │                                  at /rustc/6b3fa26749ab40e159b2dd5cf577acaaf5902772/library/std/src/panicking.rs:544:19
[INFO] [stdout] │     34:     0x5f95cb63a547 - std[73adb7dc35730857]::panic::catch_unwind::<&dyn core[6883ba1bc0fe4ed1]::ops::function::Fn<(), Output = i32> + core[6883ba1bc0fe4ed1]::panic::unwind_safe::RefUnwindSafe + core[6883ba1bc0fe4ed1]::marker::Sync, i32>
[INFO] [stdout] │                                  at /rustc/6b3fa26749ab40e159b2dd5cf577acaaf5902772/library/std/src/panic.rs:359:14
[INFO] [stdout] │     35:     0x5f95cb63a547 - std[73adb7dc35730857]::rt::lang_start_internal::{closure#0}
[INFO] [stdout] │                                  at /rustc/6b3fa26749ab40e159b2dd5cf577acaaf5902772/library/std/src/rt.rs:175:24
[INFO] [stdout] │     36:     0x5f95cb63a547 - std[73adb7dc35730857]::panicking::catch_unwind::do_call::<std[73adb7dc35730857]::rt::lang_start_internal::{closure#0}, isize>
[INFO] [stdout] │                                  at /rustc/6b3fa26749ab40e159b2dd5cf577acaaf5902772/library/std/src/panicking.rs:576:43
[INFO] [stdout] │     37:     0x5f95cb63a547 - std[73adb7dc35730857]::panicking::catch_unwind::<isize, std[73adb7dc35730857]::rt::lang_start_internal::{closure#0}>
[INFO] [stdout] │                                  at /rustc/6b3fa26749ab40e159b2dd5cf577acaaf5902772/library/std/src/panicking.rs:544:19
[INFO] [stdout] │     38:     0x5f95cb63a547 - std[73adb7dc35730857]::panic::catch_unwind::<std[73adb7dc35730857]::rt::lang_start_internal::{closure#0}, isize>
[INFO] [stdout] │                                  at /rustc/6b3fa26749ab40e159b2dd5cf577acaaf5902772/library/std/src/panic.rs:359:14
[INFO] [stdout] │     39:     0x5f95cb63a547 - std[73adb7dc35730857]::rt::lang_start_internal
[INFO] [stdout] │                                  at /rustc/6b3fa26749ab40e159b2dd5cf577acaaf5902772/library/std/src/rt.rs:171:5
[INFO] [stdout] │     40:     0x5f95cb4d2a47 - std[73adb7dc35730857]::rt::lang_start::<()>
[INFO] [stdout] │                                  at /rustc/6b3fa26749ab40e159b2dd5cf577acaaf5902772/library/std/src/rt.rs:205:5
[INFO] [stdout] │     41:     0x5f95cb4d2c7e - main
[INFO] [stdout] │     42:     0x76922335e1ca - <unknown>
[INFO] [stdout] │     43:     0x76922335e28b - __libc_start_main
[INFO] [stdout] │     44:     0x5f95cb4d28a5 - _start
[INFO] [stdout] │     45:                0x0 - <unknown>
[INFO] [stdout] └── var as str: 
[INFO] [stdout]     thread 'main' (3218) panicked at /opt/rustwide/cargo-home/registry/src/index.crates.io-1949cf8c6b5b557f/clap-3.2.25/src/parser/matches/arg_matches.rs:547:22:
[INFO] [stdout]     Must use `Arg::allow_invalid_utf8` with `_os` lookups at `files`
[INFO] [stdout]     stack backtrace:
[INFO] [stdout]        0:     0x5f95cb63f601 - std[73adb7dc35730857]::backtrace_rs::backtrace::libunwind::trace
[INFO] [stdout]                                    at /rustc/6b3fa26749ab40e159b2dd5cf577acaaf5902772/library/std/src/../../backtrace/src/backtrace/libunwind.rs:117:9
[INFO] [stdout]        1:     0x5f95cb63f601 - std[73adb7dc35730857]::backtrace_rs::backtrace::trace_unsynchronized::<std[73adb7dc35730857]::sys::backtrace::_print_fmt::{closure#1}>
[INFO] [stdout]                                    at /rustc/6b3fa26749ab40e159b2dd5cf577acaaf5902772/library/std/src/../../backtrace/src/backtrace/mod.rs:66:14
[INFO] [stdout]        2:     0x5f95cb63f601 - std[73adb7dc35730857]::sys::backtrace::_print_fmt
[INFO] [stdout]                                    at /rustc/6b3fa26749ab40e159b2dd5cf577acaaf5902772/library/std/src/sys/backtrace.rs:74:9
[INFO] [stdout]        3:     0x5f95cb63f601 - <<std[73adb7dc35730857]::sys::backtrace::BacktraceLock>::print::DisplayBacktrace as core[6883ba1bc0fe4ed1]::fmt::Display>::fmt
[INFO] [stdout]                                    at /rustc/6b3fa26749ab40e159b2dd5cf577acaaf5902772/library/std/src/sys/backtrace.rs:44:26
[INFO] [stdout]        4:     0x5f95cb65328a - <core[6883ba1bc0fe4ed1]::fmt::rt::Argument>::fmt
[INFO] [stdout]                                    at /rustc/6b3fa26749ab40e159b2dd5cf577acaaf5902772/library/core/src/fmt/rt.rs:152:76
[INFO] [stdout]        5:     0x5f95cb65328a - core[6883ba1bc0fe4ed1]::fmt::write
[INFO] [stdout]        6:     0x5f95cb644cec - std[73adb7dc35730857]::io::default_write_fmt::<std[73adb7dc35730857]::sys::stdio::unix::Stderr>
[INFO] [stdout]                                    at /rustc/6b3fa26749ab40e159b2dd5cf577acaaf5902772/library/std/src/io/mod.rs:626:11
[INFO] [stdout]        7:     0x5f95cb644cec - <std[73adb7dc35730857]::sys::stdio::unix::Stderr as std[73adb7dc35730857]::io::Write>::write_fmt
[INFO] [stdout]                                    at /rustc/6b3fa26749ab40e159b2dd5cf577acaaf5902772/library/std/src/io/mod.rs:1730:13
[INFO] [stdout]        8:     0x5f95cb629e16 - <std[73adb7dc35730857]::sys::backtrace::BacktraceLock>::print
[INFO] [stdout]                                    at /rustc/6b3fa26749ab40e159b2dd5cf577acaaf5902772/library/std/src/sys/backtrace.rs:47:9
[INFO] [stdout]        9:     0x5f95cb629e16 - std[73adb7dc35730857]::panicking::default_hook::{closure#0}
[INFO] [stdout]                                    at /rustc/6b3fa26749ab40e159b2dd5cf577acaaf5902772/library/std/src/panicking.rs:292:27
[INFO] [stdout]       10:     0x5f95cb63b081 - std[73adb7dc35730857]::panicking::default_hook
[INFO] [stdout]                                    at /rustc/6b3fa26749ab40e159b2dd5cf577acaaf5902772/library/std/src/panicking.rs:319:9
[INFO] [stdout]       11:     0x5f95cb63b23b - std[73adb7dc35730857]::panicking::panic_with_hook
[INFO] [stdout]                                    at /rustc/6b3fa26749ab40e159b2dd5cf577acaaf5902772/library/std/src/panicking.rs:815:13
[INFO] [stdout]       12:     0x5f95cb629ec2 - std[73adb7dc35730857]::panicking::panic_handler::{closure#0}
[INFO] [stdout]                                    at /rustc/6b3fa26749ab40e159b2dd5cf577acaaf5902772/library/std/src/panicking.rs:688:13
[INFO] [stdout]       13:     0x5f95cb621839 - std[73adb7dc35730857]::sys::backtrace::__rust_end_short_backtrace::<std[73adb7dc35730857]::panicking::panic_handler::{closure#0}, !>
[INFO] [stdout]                                    at /rustc/6b3fa26749ab40e159b2dd5cf577acaaf5902772/library/std/src/sys/backtrace.rs:182:18
[INFO] [stdout]       14:     0x5f95cb62a73d - __rustc[a7b7b02e776dd976]::rust_begin_unwind
[INFO] [stdout]                                    at /rustc/6b3fa26749ab40e159b2dd5cf577acaaf5902772/library/std/src/panicking.rs:679:5
[INFO] [stdout]       15:     0x5f95cb653a5c - core[6883ba1bc0fe4ed1]::panicking::panic_fmt
[INFO] [stdout]                                    at /rustc/6b3fa26749ab40e159b2dd5cf577acaaf5902772/library/core/src/panicking.rs:80:14
[INFO] [stdout]       16:     0x5f95cb4d6d7a - clap[965b0170b9d3cf34]::parser::matches::arg_matches::unwrap_os_string_arg
[INFO] [stdout]                                    at /opt/rustwide/cargo-home/registry/src/index.crates.io-1949cf8c6b5b557f/clap-3.2.25/src/parser/matches/arg_matches.rs:1879:13
[INFO] [stdout]       17:     0x5f95cb4d6284 - <clap[965b0170b9d3cf34]::parser::matches::arg_matches::ArgMatches>::values_of_lossy::<&str>::{closure#0}
[INFO] [stdout]                                    at /opt/rustwide/cargo-home/registry/src/index.crates.io-1949cf8c6b5b557f/clap-3.2.25/src/parser/matches/arg_matches.rs:547:22
[INFO] [stdout]       18:     0x5f95cb4da163 - <&mut <clap[965b0170b9d3cf34]::parser::matches::arg_matches::ArgMatches>::values_of_lossy<&str>::{closure#0} as core[6883ba1bc0fe4ed1]::ops::function::FnOnce<(&clap[965b0170b9d3cf34]::parser::matches::any_value::AnyValue,)>>::call_once
[INFO] [stdout]                                    at /rustc/6b3fa26749ab40e159b2dd5cf577acaaf5902772/library/core/src/ops/function.rs:310:21
[INFO] [stdout]       19:     0x5f95cb4da163 - <core[6883ba1bc0fe4ed1]::option::Option<&clap[965b0170b9d3cf34]::parser::matches::any_value::AnyValue>>::map::<alloc[55a36b64bcbf2c0d]::string::String, &mut <clap[965b0170b9d3cf34]::parser::matches::arg_matches::ArgMatches>::values_of_lossy<&str>::{closure#0}>
[INFO] [stdout]                                    at /rustc/6b3fa26749ab40e159b2dd5cf577acaaf5902772/library/core/src/option.rs:1163:29
[INFO] [stdout]       20:     0x5f95cb4da163 - <core[6883ba1bc0fe4ed1]::iter::adapters::map::Map<core[6883ba1bc0fe4ed1]::iter::adapters::flatten::Flatten<core[6883ba1bc0fe4ed1]::slice::iter::Iter<alloc[55a36b64bcbf2c0d]::vec::Vec<clap[965b0170b9d3cf34]::parser::matches::any_value::AnyValue>>>, <clap[965b0170b9d3cf34]::parser::matches::arg_matches::ArgMatches>::values_of_lossy<&str>::{closure#0}> as core[6883ba1bc0fe4ed1]::iter::traits::iterator::Iterator>::next
[INFO] [stdout]                                    at /rustc/6b3fa26749ab40e159b2dd5cf577acaaf5902772/library/core/src/iter/adapters/map.rs:107:26
[INFO] [stdout]       21:     0x5f95cb4d738c - <alloc[55a36b64bcbf2c0d]::vec::Vec<alloc[55a36b64bcbf2c0d]::string::String> as alloc[55a36b64bcbf2c0d]::vec::spec_from_iter_nested::SpecFromIterNested<alloc[55a36b64bcbf2c0d]::string::String, core[6883ba1bc0fe4ed1]::iter::adapters::map::Map<core[6883ba1bc0fe4ed1]::iter::adapters::flatten::Flatten<core[6883ba1bc0fe4ed1]::slice::iter::Iter<alloc[55a36b64bcbf2c0d]::vec::Vec<clap[965b0170b9d3cf34]::parser::matches::any_value::AnyValue>>>, <clap[965b0170b9d3cf34]::parser::matches::arg_matches::ArgMatches>::values_of_lossy<&str>::{closure#0}>>>::from_iter
[INFO] [stdout]                                    at /rustc/6b3fa26749ab40e159b2dd5cf577acaaf5902772/library/alloc/src/vec/spec_from_iter_nested.rs:24:41
[INFO] [stdout]       22:     0x5f95cb4d731e - <alloc[55a36b64bcbf2c0d]::vec::Vec<alloc[55a36b64bcbf2c0d]::string::String> as alloc[55a36b64bcbf2c0d]::vec::spec_from_iter::SpecFromIter<alloc[55a36b64bcbf2c0d]::string::String, core[6883ba1bc0fe4ed1]::iter::adapters::map::Map<core[6883ba1bc0fe4ed1]::iter::adapters::flatten::Flatten<core[6883ba1bc0fe4ed1]::slice::iter::Iter<alloc[55a36b64bcbf2c0d]::vec::Vec<clap[965b0170b9d3cf34]::parser::matches::any_value::AnyValue>>>, <clap[965b0170b9d3cf34]::parser::matches::arg_matches::ArgMatches>::values_of_lossy<&str>::{closure#0}>>>::from_iter
[INFO] [stdout]                                    at /rustc/6b3fa26749ab40e159b2dd5cf577acaaf5902772/library/alloc/src/vec/spec_from_iter.rs:33:9
[INFO] [stdout]       23:     0x5f95cb4d61f7 - <alloc[55a36b64bcbf2c0d]::vec::Vec<alloc[55a36b64bcbf2c0d]::string::String> as core[6883ba1bc0fe4ed1]::iter::traits::collect::FromIterator<alloc[55a36b64bcbf2c0d]::string::String>>::from_iter::<core[6883ba1bc0fe4ed1]::iter::adapters::map::Map<core[6883ba1bc0fe4ed1]::iter::adapters::flatten::Flatten<core[6883ba1bc0fe4ed1]::slice::iter::Iter<alloc[55a36b64bcbf2c0d]::vec::Vec<clap[965b0170b9d3cf34]::parser::matches::any_value::AnyValue>>>, <clap[965b0170b9d3cf34]::parser::matches::arg_matches::ArgMatches>::values_of_lossy<&str>::{closure#0}>>
[INFO] [stdout]                                    at /rustc/6b3fa26749ab40e159b2dd5cf577acaaf5902772/library/alloc/src/vec/mod.rs:3941:9
[INFO] [stdout]       24:     0x5f95cb4d908e - <core[6883ba1bc0fe4ed1]::iter::adapters::map::Map<core[6883ba1bc0fe4ed1]::iter::adapters::flatten::Flatten<core[6883ba1bc0fe4ed1]::slice::iter::Iter<alloc[55a36b64bcbf2c0d]::vec::Vec<clap[965b0170b9d3cf34]::parser::matches::any_value::AnyValue>>>, <clap[965b0170b9d3cf34]::parser::matches::arg_matches::ArgMatches>::values_of_lossy<&str>::{closure#0}> as core[6883ba1bc0fe4ed1]::iter::traits::iterator::Iterator>::collect::<alloc[55a36b64bcbf2c0d]::vec::Vec<alloc[55a36b64bcbf2c0d]::string::String>>
[INFO] [stdout]                                    at /rustc/6b3fa26749ab40e159b2dd5cf577acaaf5902772/library/core/src/iter/traits/iterator.rs:2090:9
[INFO] [stdout]       25:     0x5f95cb4d3166 - <clap[965b0170b9d3cf34]::parser::matches::arg_matches::ArgMatches>::values_of_lossy::<&str>
[INFO] [stdout]                                    at /opt/rustwide/cargo-home/registry/src/index.crates.io-1949cf8c6b5b557f/clap-3.2.25/src/parser/matches/arg_matches.rs:548:14
[INFO] [stdout]       26:     0x5f95cb4dd18b - command_line_rust[2a7d65b3375657d0]::head::get_args
[INFO] [stdout]                                    at /opt/rustwide/workdir/src/head/mod.rs:92:24
[INFO] [stdout]       27:     0x5f95cb4d2ad2 - head[5f62c2f9cff836a0]::main
[INFO] [stdout]                                    at /opt/rustwide/workdir/src/head/main.rs:4:21
[INFO] [stdout]       28:     0x5f95cb4d2beb - <fn() as core[6883ba1bc0fe4ed1]::ops::function::FnOnce<()>>::call_once
[INFO] [stdout]                                    at /rustc/6b3fa26749ab40e159b2dd5cf577acaaf5902772/library/core/src/ops/function.rs:250:5
[INFO] [stdout]       29:     0x5f95cb4d2a5e - std[73adb7dc35730857]::sys::backtrace::__rust_begin_short_backtrace::<fn(), ()>
[INFO] [stdout]                                    at /rustc/6b3fa26749ab40e159b2dd5cf577acaaf5902772/library/std/src/sys/backtrace.rs:166:18
[INFO] [stdout]       30:     0x5f95cb4d2a81 - std[73adb7dc35730857]::rt::lang_start::<()>::{closure#0}
[INFO] [stdout]                                    at /rustc/6b3fa26749ab40e159b2dd5cf577acaaf5902772/library/std/src/rt.rs:206:18
[INFO] [stdout]       31:     0x5f95cb63a547 - <&dyn core[6883ba1bc0fe4ed1]::ops::function::Fn<(), Output = i32> + core[6883ba1bc0fe4ed1]::panic::unwind_safe::RefUnwindSafe + core[6883ba1bc0fe4ed1]::marker::Sync as core[6883ba1bc0fe4ed1]::ops::function::FnOnce<()>>::call_once
[INFO] [stdout]                                    at /rustc/6b3fa26749ab40e159b2dd5cf577acaaf5902772/library/core/src/ops/function.rs:287:21
[INFO] [stdout]       32:     0x5f95cb63a547 - std[73adb7dc35730857]::panicking::catch_unwind::do_call::<&dyn core[6883ba1bc0fe4ed1]::ops::function::Fn<(), Output = i32> + core[6883ba1bc0fe4ed1]::panic::unwind_safe::RefUnwindSafe + core[6883ba1bc0fe4ed1]::marker::Sync, i32>
[INFO] [stdout]                                    at /rustc/6b3fa26749ab40e159b2dd5cf577acaaf5902772/library/std/src/panicking.rs:576:43
[INFO] [stdout]       33:     0x5f95cb63a547 - std[73adb7dc35730857]::panicking::catch_unwind::<i32, &dyn core[6883ba1bc0fe4ed1]::ops::function::Fn<(), Output = i32> + core[6883ba1bc0fe4ed1]::panic::unwind_safe::RefUnwindSafe + core[6883ba1bc0fe4ed1]::marker::Sync>
[INFO] [stdout]                                    at /rustc/6b3fa26749ab40e159b2dd5cf577acaaf5902772/library/std/src/panicking.rs:544:19
[INFO] [stdout]       34:     0x5f95cb63a547 - std[73adb7dc35730857]::panic::catch_unwind::<&dyn core[6883ba1bc0fe4ed1]::ops::function::Fn<(), Output = i32> + core[6883ba1bc0fe4ed1]::panic::unwind_safe::RefUnwindSafe + core[6883ba1bc0fe4ed1]::marker::Sync, i32>
[INFO] [stdout]                                    at /rustc/6b3fa26749ab40e159b2dd5cf577acaaf5902772/library/std/src/panic.rs:359:14
[INFO] [stdout]       35:     0x5f95cb63a547 - std[73adb7dc35730857]::rt::lang_start_internal::{closure#0}
[INFO] [stdout]                                    at /rustc/6b3fa26749ab40e159b2dd5cf577acaaf5902772/library/std/src/rt.rs:175:24
[INFO] [stdout]       36:     0x5f95cb63a547 - std[73adb7dc35730857]::panicking::catch_unwind::do_call::<std[73adb7dc35730857]::rt::lang_start_internal::{closure#0}, isize>
[INFO] [stdout]                                    at /rustc/6b3fa26749ab40e159b2dd5cf577acaaf5902772/library/std/src/panicking.rs:576:43
[INFO] [stdout]       37:     0x5f95cb63a547 - std[73adb7dc35730857]::panicking::catch_unwind::<isize, std[73adb7dc35730857]::rt::lang_start_internal::{closure#0}>
[INFO] [stdout]                                    at /rustc/6b3fa26749ab40e159b2dd5cf577acaaf5902772/library/std/src/panicking.rs:544:19
[INFO] [stdout]       38:     0x5f95cb63a547 - std[73adb7dc35730857]::panic::catch_unwind::<std[73adb7dc35730857]::rt::lang_start_internal::{closure#0}, isize>
[INFO] [stdout]                                    at /rustc/6b3fa26749ab40e159b2dd5cf577acaaf5902772/library/std/src/panic.rs:359:14
[INFO] [stdout]       39:     0x5f95cb63a547 - std[73adb7dc35730857]::rt::lang_start_internal
[INFO] [stdout]                                    at /rustc/6b3fa26749ab40e159b2dd5cf577acaaf5902772/library/std/src/rt.rs:171:5
[INFO] [stdout]       40:     0x5f95cb4d2a47 - std[73adb7dc35730857]::rt::lang_start::<()>
[INFO] [stdout]                                    at /rustc/6b3fa26749ab40e159b2dd5cf577acaaf5902772/library/std/src/rt.rs:205:5
[INFO] [stdout]       41:     0x5f95cb4d2c7e - main
[INFO] [stdout]       42:     0x76922335e1ca - <unknown>
[INFO] [stdout]       43:     0x76922335e28b - __libc_start_main
[INFO] [stdout]       44:     0x5f95cb4d28a5 - _start
[INFO] [stdout]       45:                0x0 - <unknown>
[INFO] [stdout] 
[INFO] [stdout] command=`"/opt/rustwide/target/debug/head" "tests/head/inputs/empty.txt" "z3tWxGV" "tests/head/inputs/one.txt"`
[INFO] [stdout] code=101
[INFO] [stdout] stdout=""
[INFO] [stdout] stderr=<90 lines total>
[INFO] [stdout] ```
[INFO] [stdout] 
[INFO] [stdout] thread \'main\' (3218) panicked at /opt/rustwide/cargo-home/registry/src/index.crates.io-1949cf8c6b5b557f/clap-3.2.25/src/parser/matches/arg_matches.rs:547:22:
[INFO] [stdout] Must use `Arg::allow_invalid_utf8` with `_os` lookups at `files`
[INFO] [stdout] stack backtrace:
[INFO] [stdout]    0:     0x5f95cb63f601 - std[73adb7dc35730857]::backtrace_rs::backtrace::libunwind::trace
[INFO] [stdout]                                at /rustc/6b3fa26749ab40e159b2dd5cf577acaaf5902772/library/std/src/../../backtrace/src/backtrace/libunwind.rs:117:9
[INFO] [stdout]    1:     0x5f95cb63f601 - std[73adb7dc35730857]::backtrace_rs::backtrace::trace_unsynchronized::<std[73adb7dc35730857]::sys::backtrace::_print_fmt::{closure#1}>
[INFO] [stdout]                                at /rustc/6b3fa26749ab40e159b2dd5cf577acaaf5902772/library/std/src/../../backtrace/src/backtrace/mod.rs:66:14
[INFO] [stdout]    2:     0x5f95cb63f601 - std[73adb7dc35730857]::sys::backtrace::_print_fmt
[INFO] [stdout]                                at /rustc/6b3fa26749ab40e159b2dd5cf577acaaf5902772/library/std/src/sys/backtrace.rs:74:9
[INFO] [stdout]    3:     0x5f95cb63f601 - <<std[73adb7dc35730857]::sys::backtrace::BacktraceLock>::print::DisplayBacktrace as core[6883ba1bc0fe4ed1]::fmt::Display>::fmt
[INFO] [stdout]                                at /rustc/6b3fa26749ab40e159b2dd5cf577acaaf5902772/library/std/src/sys/backtrace.rs:44:26
[INFO] [stdout]    4:     0x5f95cb65328a - <core[6883ba1bc0fe4ed1]::fmt::rt::Argument>::fmt
[INFO] [stdout]                                at /rustc/6b3fa26749ab40e159b2dd5cf577acaaf5902772/library/core/src/fmt/rt.rs:152:76
[INFO] [stdout]    5:     0x5f95cb65328a - core[6883ba1bc0fe4ed1]::fmt::write
[INFO] [stdout]    6:     0x5f95cb644cec - std[73adb7dc35730857]::io::default_write_fmt::<std[73adb7dc35730857]::sys::stdio::unix::Stderr>
[INFO] [stdout]                                at /rustc/6b3fa26749ab40e159b2dd5cf577acaaf5902772/library/std/src/io/mod.rs:626:11
[INFO] [stdout]    7:     0x5f95cb644cec - <std[73adb7dc35730857]::sys::stdio::unix::Stderr as std[73adb7dc35730857]::io::Write>::write_fmt
[INFO] [stdout]                                at /rustc/6b3fa26749ab40e159b2dd5cf577acaaf5902772/library/std/src/io/mod.rs:1730:13
[INFO] [stdout]    8:     0x5f95cb629e16 - <std[73adb7dc35730857]::sys::backtrace::BacktraceLock>::print
[INFO] [stdout] ```
[INFO] [stdout] <30 lines omitted>
[INFO] [stdout] ```
[INFO] [stdout]                                at /rustc/6b3fa26749ab40e159b2dd5cf577acaaf5902772/library/alloc/src/vec/mod.rs:3941:9
[INFO] [stdout]   24:     0x5f95cb4d908e - <core[6883ba1bc0fe4ed1]::iter::adapters::map::Map<core[6883ba1bc0fe4ed1]::iter::adapters::flatten::Flatten<core[6883ba1bc0fe4ed1]::slice::iter::Iter<alloc[55a36b64bcbf2c0d]::vec::Vec<clap[965b0170b9d3cf34]::parser::matches::any_value::AnyValue>>>, <clap[965b0170b9d3cf34]::parser::matches::arg_matches::ArgMatches>::values_of_lossy<&str>::{closure#0}> as core[6883ba1bc0fe4ed1]::iter::traits::iterator::Iterator>::collect::<alloc[55a36b64bcbf2c0d]::vec::Vec<alloc[55a36b64bcbf2c0d]::string::String>>
[INFO] [stdout]                                at /rustc/6b3fa26749ab40e159b2dd5cf577acaaf5902772/library/core/src/iter/traits/iterator.rs:2090:9
[INFO] [stdout]   25:     0x5f95cb4d3166 - <clap[965b0170b9d3cf34]::parser::matches::arg_matches::ArgMatches>::values_of_lossy::<&str>
[INFO] [stdout]                                at /opt/rustwide/cargo-home/registry/src/index.crates.io-1949cf8c6b5b557f/clap-3.2.25/src/parser/matches/arg_matches.rs:548:14
[INFO] [stdout]   26:     0x5f95cb4dd18b - command_line_rust[2a7d65b3375657d0]::head::get_args
[INFO] [stdout]                                at /opt/rustwide/workdir/src/head/mod.rs:92:24
[INFO] [stdout]   27:     0x5f95cb4d2ad2 - head[5f62c2f9cff836a0]::main
[INFO] [stdout]                                at /opt/rustwide/workdir/src/head/main.rs:4:21
[INFO] [stdout]   28:     0x5f95cb4d2beb - <fn() as core[6883ba1bc0fe4ed1]::ops::function::FnOnce<()>>::call_once
[INFO] [stdout]                                at /rustc/6b3fa26749ab40e159b2dd5cf577acaaf5902772/library/core/src/ops/function.rs:250:5
[INFO] [stdout]   29:     0x5f95cb4d2a5e - std[73adb7dc35730857]::sys::backtrace::__rust_begin_short_backtrace::<fn(), ()>
[INFO] [stdout]                                at /rustc/6b3fa26749ab40e159b2dd5cf577acaaf5902772/library/std/src/sys/backtrace.rs:166:18
[INFO] [stdout]   30:     0x5f95cb4d2a81 - std[73adb7dc35730857]::rt::lang_start::<()>::{closure#0}
[INFO] [stdout]                                at /rustc/6b3fa26749ab40e159b2dd5cf577acaaf5902772/library/std/src/rt.rs:206:18
[INFO] [stdout]   31:     0x5f95cb63a547 - <&dyn core[6883ba1bc0fe4ed1]::ops::function::Fn<(), Output = i32> + core[6883ba1bc0fe4ed1]::panic::unwind_safe::RefUnwindSafe + core[6883ba1bc0fe4ed1]::marker::Sync as core[6883ba1bc0fe4ed1]::ops::function::FnOnce<()>>::call_once
[INFO] [stdout]                                at /rustc/6b3fa26749ab40e159b2dd5cf577acaaf5902772/library/core/src/ops/function.rs:287:21
[INFO] [stdout]   32:     0x5f95cb63a547 - std[73adb7dc35730857]::panicking::catch_unwind::do_call::<&dyn core[6883ba1bc0fe4ed1]::ops::function::Fn<(), Output = i32> + core[6883ba1bc0fe4ed1]::panic::unwind_safe::RefUnwindSafe + core[6883ba1bc0fe4ed1]::marker::Sync, i32>
[INFO] [stdout]                                at /rustc/6b3fa26749ab40e159b2dd5cf577acaaf5902772/library/std/src/panicking.rs:576:43
[INFO] [stdout]   33:     0x5f95cb63a547 - std[73adb7dc35730857]::panicking::catch_unwind::<i32, &dyn core[6883ba1bc0fe4ed1]::ops::function::Fn<(), Output = i32> + core[6883ba1bc0fe4ed1]::panic::unwind_safe::RefUnwindSafe + core[6883ba1bc0fe4ed1]::marker::Sync>
[INFO] [stdout]                                at /rustc/6b3fa26749ab40e159b2dd5cf577acaaf5902772/library/std/src/panicking.rs:544:19
[INFO] [stdout]   34:     0x5f95cb63a547 - std[73adb7dc35730857]::panic::catch_unwind::<&dyn core[6883ba1bc0fe4ed1]::ops::function::Fn<(), Output = i32> + core[6883ba1bc0fe4ed1]::panic::unwind_safe::RefUnwindSafe + core[6883ba1bc0fe4ed1]::marker::Sync, i32>
[INFO] [stdout]                                at /rustc/6b3fa26749ab40e159b2dd5cf577acaaf5902772/library/std/src/panic.rs:359:14
[INFO] [stdout]   35:     0x5f95cb63a547 - std[73adb7dc35730857]::rt::lang_start_internal::{closure#0}
[INFO] [stdout]                                at /rustc/6b3fa26749ab40e159b2dd5cf577acaaf5902772/library/std/src/rt.rs:175:24
[INFO] [stdout]   36:     0x5f95cb63a547 - std[73adb7dc35730857]::panicking::catch_unwind::do_call::<std[73adb7dc35730857]::rt::lang_start_internal::{closure#0}, isize>
[INFO] [stdout]                                at /rustc/6b3fa26749ab40e159b2dd5cf577acaaf5902772/library/std/src/panicking.rs:576:43
[INFO] [stdout]   37:     0x5f95cb63a547 - std[73adb7dc35730857]::panicking::catch_unwind::<isize, std[73adb7dc35730857]::rt::lang_start_internal::{closure#0}>
[INFO] [stdout]                                at /rustc/6b3fa26749ab40e159b2dd5cf577acaaf5902772/library/std/src/panicking.rs:544:19
[INFO] [stdout]   38:     0x5f95cb63a547 - std[73adb7dc35730857]::panic::catch_unwind::<std[73adb7dc35730857]::rt::lang_start_internal::{closure#0}, isize>
[INFO] [stdout]                                at /rustc/6b3fa26749ab40e159b2dd5cf577acaaf5902772/library/std/src/panic.rs:359:14
[INFO] [stdout]   39:     0x5f95cb63a547 - std[73adb7dc35730857]::rt::lang_start_internal
[INFO] [stdout]                                at /rustc/6b3fa26749ab40e159b2dd5cf577acaaf5902772/library/std/src/rt.rs:171:5
[INFO] [stdout]   40:     0x5f95cb4d2a47 - std[73adb7dc35730857]::rt::lang_start::<()>
[INFO] [stdout]                                at /rustc/6b3fa26749ab40e159b2dd5cf577acaaf5902772/library/std/src/rt.rs:205:5
[INFO] [stdout]   41:     0x5f95cb4d2c7e - main
[INFO] [stdout]   42:     0x76922335e1ca - <unknown>
[INFO] [stdout]   43:     0x76922335e28b - __libc_start_main
[INFO] [stdout]   44:     0x5f95cb4d28a5 - _start
[INFO] [stdout]   45:                0x0 - <unknown>
[INFO] [stdout] ```
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] stack backtrace:
[INFO] [stdout]    0:     0x5c98fa0d5011 - std[73adb7dc35730857]::backtrace_rs::backtrace::libunwind::trace
[INFO] [stdout]                                at /rustc/6b3fa26749ab40e159b2dd5cf577acaaf5902772/library/std/src/../../backtrace/src/backtrace/libunwind.rs:117:9
[INFO] [stdout]    1:     0x5c98fa0d5011 - std[73adb7dc35730857]::backtrace_rs::backtrace::trace_unsynchronized::<std[73adb7dc35730857]::sys::backtrace::_print_fmt::{closure#1}>
[INFO] [stdout]                                at /rustc/6b3fa26749ab40e159b2dd5cf577acaaf5902772/library/std/src/../../backtrace/src/backtrace/mod.rs:66:14
[INFO] [stdout]    2:     0x5c98fa0d5011 - std[73adb7dc35730857]::sys::backtrace::_print_fmt
[INFO] [stdout]                                at /rustc/6b3fa26749ab40e159b2dd5cf577acaaf5902772/library/std/src/sys/backtrace.rs:74:9
[INFO] [stdout]    3:     0x5c98fa0d5011 - <<std[73adb7dc35730857]::sys::backtrace::BacktraceLock>::print::DisplayBacktrace as core[6883ba1bc0fe4ed1]::fmt::Display>::fmt
[INFO] [stdout]                                at /rustc/6b3fa26749ab40e159b2dd5cf577acaaf5902772/library/std/src/sys/backtrace.rs:44:26
[INFO] [stdout]    4:     0x5c98fa0eb71a - <core[6883ba1bc0fe4ed1]::fmt::rt::Argument>::fmt
[INFO] [stdout]                                at /rustc/6b3fa26749ab40e159b2dd5cf577acaaf5902772/library/core/src/fmt/rt.rs:152:76
[INFO] [stdout]    5:     0x5c98fa0eb71a - core[6883ba1bc0fe4ed1]::fmt::write
[INFO] [stdout]    6:     0x5c98fa0da99c - std[73adb7dc35730857]::io::default_write_fmt::<alloc[55a36b64bcbf2c0d]::vec::Vec<u8>>
[INFO] [stdout]                                at /rustc/6b3fa26749ab40e159b2dd5cf577acaaf5902772/library/std/src/io/mod.rs:626:11
[INFO] [stdout]    7:     0x5c98fa0da99c - <alloc[55a36b64bcbf2c0d]::vec::Vec<u8> as std[73adb7dc35730857]::io::Write>::write_fmt
[INFO] [stdout]                                at /rustc/6b3fa26749ab40e159b2dd5cf577acaaf5902772/library/std/src/io/mod.rs:1730:13
[INFO] [stdout]    8:     0x5c98fa0b2986 - <std[73adb7dc35730857]::sys::backtrace::BacktraceLock>::print
[INFO] [stdout]                                at /rustc/6b3fa26749ab40e159b2dd5cf577acaaf5902772/library/std/src/sys/backtrace.rs:47:9
[INFO] [stdout]    9:     0x5c98fa0b2986 - std[73adb7dc35730857]::panicking::default_hook::{closure#0}
[INFO] [stdout]                                at /rustc/6b3fa26749ab40e159b2dd5cf577acaaf5902772/library/std/src/panicking.rs:292:27
[INFO] [stdout]   10:     0x5c98fa0ccd09 - std[73adb7dc35730857]::panicking::default_hook
[INFO] [stdout]                                at /rustc/6b3fa26749ab40e159b2dd5cf577acaaf5902772/library/std/src/panicking.rs:316:9
[INFO] [stdout]   11:     0x5c98f9e5fc40 - <alloc[55a36b64bcbf2c0d]::boxed::Box<dyn for<'a, 'b> core[6883ba1bc0fe4ed1]::ops::function::Fn<(&'a std[73adb7dc35730857]::panic::PanicHookInfo<'b>,), Output = ()> + core[6883ba1bc0fe4ed1]::marker::Send + core[6883ba1bc0fe4ed1]::marker::Sync> as core[6883ba1bc0fe4ed1]::ops::function::Fn<(&std[73adb7dc35730857]::panic::PanicHookInfo,)>>::call
[INFO] [stdout]                                at /rustc/6b3fa26749ab40e159b2dd5cf577acaaf5902772/library/alloc/src/boxed.rs:2333:9
[INFO] [stdout]   12:     0x5c98f9e5fc40 - test[980ffaebd391d06d]::test_main_inner::<test[980ffaebd391d06d]::test_main_static::{closure#0}>::{closure#0}
[INFO] [stdout]                                at /rustc/6b3fa26749ab40e159b2dd5cf577acaaf5902772/library/test/src/lib.rs:155:21
[INFO] [stdout]   13:     0x5c98fa0ccec2 - <alloc[55a36b64bcbf2c0d]::boxed::Box<dyn for<'a, 'b> core[6883ba1bc0fe4ed1]::ops::function::Fn<(&'a std[73adb7dc35730857]::panic::PanicHookInfo<'b>,), Output = ()> + core[6883ba1bc0fe4ed1]::marker::Send + core[6883ba1bc0fe4ed1]::marker::Sync> as core[6883ba1bc0fe4ed1]::ops::function::Fn<(&std[73adb7dc35730857]::panic::PanicHookInfo,)>>::call
[INFO] [stdout]                                at /rustc/6b3fa26749ab40e159b2dd5cf577acaaf5902772/library/alloc/src/boxed.rs:2333:9
[INFO] [stdout]   14:     0x5c98fa0ccec2 - std[73adb7dc35730857]::panicking::panic_with_hook
[INFO] [stdout]                                at /rustc/6b3fa26749ab40e159b2dd5cf577acaaf5902772/library/std/src/panicking.rs:823:13
[INFO] [stdout]   15:     0x5c98fa0b2a32 - std[73adb7dc35730857]::panicking::panic_handler::{closure#0}
[INFO] [stdout]                                at /rustc/6b3fa26749ab40e159b2dd5cf577acaaf5902772/library/std/src/panicking.rs:688:13
[INFO] [stdout]   16:     0x5c98fa0aa1d9 - std[73adb7dc35730857]::sys::backtrace::__rust_end_short_backtrace::<std[73adb7dc35730857]::panicking::panic_handler::{closure#0}, !>
[INFO] [stdout]                                at /rustc/6b3fa26749ab40e159b2dd5cf577acaaf5902772/library/std/src/sys/backtrace.rs:182:18
[INFO] [stdout]   17:     0x5c98fa0b362d - __rustc[a7b7b02e776dd976]::rust_begin_unwind
[INFO] [stdout]                                at /rustc/6b3fa26749ab40e159b2dd5cf577acaaf5902772/library/std/src/panicking.rs:679:5
[INFO] [stdout]   18:     0x5c98fa0ebf9c - core[6883ba1bc0fe4ed1]::panicking::panic_fmt
[INFO] [stdout]                                at /rustc/6b3fa26749ab40e159b2dd5cf577acaaf5902772/library/core/src/panicking.rs:80:14
[INFO] [stdout]   19:     0x5c98fa03b8b8 - core[6883ba1bc0fe4ed1]::panicking::panic_display::<assert_cmd[35418449b5f7a4b8]::assert::AssertError>
[INFO] [stdout]                                at /rustc/6b3fa26749ab40e159b2dd5cf577acaaf5902772/library/core/src/panicking.rs:259:5
[INFO] [stdout]   20:     0x5c98fa0426c7 - <assert_cmd[35418449b5f7a4b8]::assert::AssertError>::panic::<assert_cmd[35418449b5f7a4b8]::assert::Assert>
[INFO] [stdout]                                at /opt/rustwide/cargo-home/registry/src/index.crates.io-1949cf8c6b5b557f/assert_cmd-2.0.11/src/assert.rs:1033:9
[INFO] [stdout]   21:     0x5c98fa038947 - <<assert_cmd[35418449b5f7a4b8]::assert::AssertError>::panic<assert_cmd[35418449b5f7a4b8]::assert::Assert> as core[6883ba1bc0fe4ed1]::ops::function::FnOnce<(assert_cmd[35418449b5f7a4b8]::assert::AssertError,)>>::call_once
[INFO] [stdout]                                at /rustc/6b3fa26749ab40e159b2dd5cf577acaaf5902772/library/core/src/ops/function.rs:250:5
[INFO] [stdout]   22:     0x5c98fa041dfb - <core[6883ba1bc0fe4ed1]::result::Result<assert_cmd[35418449b5f7a4b8]::assert::Assert, assert_cmd[35418449b5f7a4b8]::assert::AssertError>>::unwrap_or_else::<<assert_cmd[35418449b5f7a4b8]::assert::AssertError>::panic<assert_cmd[35418449b5f7a4b8]::assert::Assert>>
[INFO] [stdout]                                at /rustc/6b3fa26749ab40e159b2dd5cf577acaaf5902772/library/core/src/result.rs:1620:23
[INFO] [stdout]   23:     0x5c98f9e44ee3 - <assert_cmd[35418449b5f7a4b8]::assert::Assert>::stderr::<predicates[32cee55fc2d5e3e6]::str::regex::RegexPredicate, assert_cmd[35418449b5f7a4b8]::assert::StrOutputPredicate<predicates[32cee55fc2d5e3e6]::str::regex::RegexPredicate>>
[INFO] [stdout]                                at /opt/rustwide/cargo-home/registry/src/index.crates.io-1949cf8c6b5b557f/assert_cmd-2.0.11/src/assert.rs:460:31
[INFO] [stdout]   24:     0x5c98f9e4d8fa - lib[ef69c164f1f8dd99]::head::skips_bad_file
[INFO] [stdout]                                at /opt/rustwide/workdir/tests/head/mod.rs:89:10
[INFO] [stdout]   25:     0x5c98f9e47847 - lib[ef69c164f1f8dd99]::head::skips_bad_file::{closure#0}
[INFO] [stdout]                                at /opt/rustwide/workdir/tests/head/mod.rs:83:24
[INFO] [stdout]   26:     0x5c98f9e52296 - <lib[ef69c164f1f8dd99]::head::skips_bad_file::{closure#0} as core[6883ba1bc0fe4ed1]::ops::function::FnOnce<()>>::call_once
[INFO] [stdout]                                at /rustc/6b3fa26749ab40e159b2dd5cf577acaaf5902772/library/core/src/ops/function.rs:250:5
[INFO] [stdout]   27:     0x5c98f9e52f7b - <fn() -> core[6883ba1bc0fe4ed1]::result::Result<(), alloc[55a36b64bcbf2c0d]::string::String> as core[6883ba1bc0fe4ed1]::ops::function::FnOnce<()>>::call_once
[INFO] [stdout]                                at /rustc/6b3fa26749ab40e159b2dd5cf577acaaf5902772/library/core/src/ops/function.rs:250:5
[INFO] [stdout]   28:     0x5c98f9e52f7b - test[980ffaebd391d06d]::__rust_begin_short_backtrace::<core[6883ba1bc0fe4ed1]::result::Result<(), alloc[55a36b64bcbf2c0d]::string::String>, fn() -> core[6883ba1bc0fe4ed1]::result::Result<(), alloc[55a36b64bcbf2c0d]::string::String>>
[INFO] [stdout]                                at /rustc/6b3fa26749ab40e159b2dd5cf577acaaf5902772/library/test/src/lib.rs:724:18
[INFO] [stdout]   29:     0x5c98f9e605c5 - test[980ffaebd391d06d]::run_test_in_process::{closure#0}
[INFO] [stdout]                                at /rustc/6b3fa26749ab40e159b2dd5cf577acaaf5902772/library/test/src/lib.rs:747:74
[INFO] [stdout]   30:     0x5c98f9e605c5 - <core[6883ba1bc0fe4ed1]::panic::unwind_safe::AssertUnwindSafe<test[980ffaebd391d06d]::run_test_in_process::{closure#0}> as core[6883ba1bc0fe4ed1]::ops::function::FnOnce<()>>::call_once
[INFO] [stdout]                                at /rustc/6b3fa26749ab40e159b2dd5cf577acaaf5902772/library/core/src/panic/unwind_safe.rs:275:9
[INFO] [stdout]   31:     0x5c98f9e605c5 - std[73adb7dc35730857]::panicking::catch_unwind::do_call::<core[6883ba1bc0fe4ed1]::panic::unwind_safe::AssertUnwindSafe<test[980ffaebd391d06d]::run_test_in_process::{closure#0}>, core[6883ba1bc0fe4ed1]::result::Result<(), alloc[55a36b64bcbf2c0d]::string::String>>
[INFO] [stdout]                                at /rustc/6b3fa26749ab40e159b2dd5cf577acaaf5902772/library/std/src/panicking.rs:576:43
[INFO] [stdout]   32:     0x5c98f9e605c5 - std[73adb7dc35730857]::panicking::catch_unwind::<core[6883ba1bc0fe4ed1]::result::Result<(), alloc[55a36b64bcbf2c0d]::string::String>, core[6883ba1bc0fe4ed1]::panic::unwind_safe::AssertUnwindSafe<test[980ffaebd391d06d]::run_test_in_process::{closure#0}>>
[INFO] [stdout]                                at /rustc/6b3fa26749ab40e159b2dd5cf577acaaf5902772/library/std/src/panicking.rs:544:19
[INFO] [stdout]   33:     0x5c98f9e605c5 - std[73adb7dc35730857]::panic::catch_unwind::<core[6883ba1bc0fe4ed1]::panic::unwind_safe::AssertUnwindSafe<test[980ffaebd391d06d]::run_test_in_process::{closure#0}>, core[6883ba1bc0fe4ed1]::result::Result<(), alloc[55a36b64bcbf2c0d]::string::String>>
[INFO] [stdout]                                at /rustc/6b3fa26749ab40e159b2dd5cf577acaaf5902772/library/std/src/panic.rs:359:14
[INFO] [stdout]   34:     0x5c98f9e605c5 - test[980ffaebd391d06d]::run_test_in_process
[INFO] [stdout]                                at /rustc/6b3fa26749ab40e159b2dd5cf577acaaf5902772/library/test/src/lib.rs:747:27
[INFO] [stdout]   35:     0x5c98f9e605c5 - test[980ffaebd391d06d]::run_test::{closure#0}
[INFO] [stdout]                                at /rustc/6b3fa26749ab40e159b2dd5cf577acaaf5902772/library/test/src/lib.rs:668:43
[INFO] [stdout]   36:     0x5c98f9e5b074 - test[980ffaebd391d06d]::run_test::{closure#1}
[INFO] [stdout]                                at /rustc/6b3fa26749ab40e159b2dd5cf577acaaf5902772/library/test/src/lib.rs:698:41
[INFO] [stdout]   37:     0x5c98f9e5b074 - std[73adb7dc35730857]::sys::backtrace::__rust_begin_short_backtrace::<test[980ffaebd391d06d]::run_test::{closure#1}, ()>
[INFO] [stdout]                                at /rustc/6b3fa26749ab40e159b2dd5cf577acaaf5902772/library/std/src/sys/backtrace.rs:166:18
[INFO] [stdout]   38:     0x5c98f9e63712 - std[73adb7dc35730857]::thread::lifecycle::spawn_unchecked::<test[980ffaebd391d06d]::run_test::{closure#1}, ()>::{closure#1}::{closure#0}
[INFO] [stdout]                                at /rustc/6b3fa26749ab40e159b2dd5cf577acaaf5902772/library/std/src/thread/lifecycle.rs:70:13
[INFO] [stdout]   39:     0x5c98f9e63712 - <core[6883ba1bc0fe4ed1]::panic::unwind_safe::AssertUnwindSafe<std[73adb7dc35730857]::thread::lifecycle::spawn_unchecked<test[980ffaebd391d06d]::run_test::{closure#1}, ()>::{closure#1}::{closure#0}> as core[6883ba1bc0fe4ed1]::ops::function::FnOnce<()>>::call_once
[INFO] [stdout]                                at /rustc/6b3fa26749ab40e159b2dd5cf577acaaf5902772/library/core/src/panic/unwind_safe.rs:275:9
[INFO] [stdout]   40:     0x5c98f9e63712 - std[73adb7dc35730857]::panicking::catch_unwind::do_call::<core[6883ba1bc0fe4ed1]::panic::unwind_safe::AssertUnwindSafe<std[73adb7dc35730857]::thread::lifecycle::spawn_unchecked<test[980ffaebd391d06d]::run_test::{closure#1}, ()>::{closure#1}::{closure#0}>, ()>
[INFO] [stdout]                                at /rustc/6b3fa26749ab40e159b2dd5cf577acaaf5902772/library/std/src/panicking.rs:576:43
[INFO] [stdout]   41:     0x5c98f9e63712 - std[73adb7dc35730857]::panicking::catch_unwind::<(), core[6883ba1bc0fe4ed1]::panic::unwind_safe::AssertUnwindSafe<std[73adb7dc35730857]::thread::lifecycle::spawn_unchecked<test[980ffaebd391d06d]::run_test::{closure#1}, ()>::{closure#1}::{closure#0}>>
[INFO] [stdout]                                at /rustc/6b3fa26749ab40e159b2dd5cf577acaaf5902772/library/std/src/panicking.rs:544:19
[INFO] [stdout]   42:     0x5c98f9e63712 - std[73adb7dc35730857]::panic::catch_unwind::<core[6883ba1bc0fe4ed1]::panic::unwind_safe::AssertUnwindSafe<std[73adb7dc35730857]::thread::lifecycle::spawn_unchecked<test[980ffaebd391d06d]::run_test::{closure#1}, ()>::{closure#1}::{closure#0}>, ()>
[INFO] [stdout]                                at /rustc/6b3fa26749ab40e159b2dd5cf577acaaf5902772/library/std/src/panic.rs:359:14
[INFO] [stdout]   43:     0x5c98f9e63712 - std[73adb7dc35730857]::thread::lifecycle::spawn_unchecked::<test[980ffaebd391d06d]::run_test::{closure#1}, ()>::{closure#1}
[INFO] [stdout]                                at /rustc/6b3fa26749ab40e159b2dd5cf577acaaf5902772/library/std/src/thread/lifecycle.rs:68:26
[INFO] [stdout]   44:     0x5c98f9e63712 - <std[73adb7dc35730857]::thread::lifecycle::spawn_unchecked<test[980ffaebd391d06d]::run_test::{closure#1}, ()>::{closure#1} as core[6883ba1bc0fe4ed1]::ops::function::FnOnce<()>>::call_once::{shim:vtable#0}
[INFO] [stdout]                                at /rustc/6b3fa26749ab40e159b2dd5cf577acaaf5902772/library/core/src/ops/function.rs:250:5
[INFO] [stdout]   45:     0x5c98fa0d44af - <alloc[55a36b64bcbf2c0d]::boxed::Box<dyn core[6883ba1bc0fe4ed1]::ops::function::FnOnce<(), Output = ()> + core[6883ba1bc0fe4ed1]::marker::Send> as core[6883ba1bc0fe4ed1]::ops::function::FnOnce<()>>::call_once
[INFO] [stdout]                                at /rustc/6b3fa26749ab40e159b2dd5cf577acaaf5902772/library/alloc/src/boxed.rs:2319:9
[INFO] [stdout]   46:     0x5c98fa0d44af - <std[73adb7dc35730857]::sys::thread::unix::Thread>::new::thread_start
[INFO] [stdout]                                at /rustc/6b3fa26749ab40e159b2dd5cf577acaaf5902772/library/std/src/sys/thread/unix.rs:123:17
[INFO] [stdout]   47:     0x718092357aa4 - <unknown>
[INFO] [stdout]   48:     0x7180923e4a64 - clone
[INFO] [stdout]   49:                0x0 - <unknown>
[INFO] [stdout] 
[INFO] [stdout] ---- head::multiple_files_n2 stdout ----
[INFO] [stdout] 
[INFO] [stdout] thread 'head::multiple_files_n2' (3152) panicked at /rustc/6b3fa26749ab40e159b2dd5cf577acaaf5902772/library/core/src/ops/function.rs:250:5:
[INFO] [stdout] Unexpected failure.
[INFO] [stdout] code-101
[INFO] [stdout] stderr=```<90 lines total>
[INFO] [stdout] ```
[INFO] [stdout] 
[INFO] [stdout] thread \'main\' (3171) panicked at /opt/rustwide/cargo-home/registry/src/index.crates.io-1949cf8c6b5b557f/clap-3.2.25/src/parser/matches/arg_matches.rs:547:22:
[INFO] [stdout] Must use `Arg::allow_invalid_utf8` with `_os` lookups at `files`
[INFO] [stdout] stack backtrace:
[INFO] [stdout]    0:     0x5c6136a56601 - std[73adb7dc35730857]::backtrace_rs::backtrace::libunwind::trace
[INFO] [stdout]                                at /rustc/6b3fa26749ab40e159b2dd5cf577acaaf5902772/library/std/src/../../backtrace/src/backtrace/libunwind.rs:117:9
[INFO] [stdout]    1:     0x5c6136a56601 - std[73adb7dc35730857]::backtrace_rs::backtrace::trace_unsynchronized::<std[73adb7dc35730857]::sys::backtrace::_print_fmt::{closure#1}>
[INFO] [stdout]                                at /rustc/6b3fa26749ab40e159b2dd5cf577acaaf5902772/library/std/src/../../backtrace/src/backtrace/mod.rs:66:14
[INFO] [stdout]    2:     0x5c6136a56601 - std[73adb7dc35730857]::sys::backtrace::_print_fmt
[INFO] [stdout]                                at /rustc/6b3fa26749ab40e159b2dd5cf577acaaf5902772/library/std/src/sys/backtrace.rs:74:9
[INFO] [stdout]    3:     0x5c6136a56601 - <<std[73adb7dc35730857]::sys::backtrace::BacktraceLock>::print::DisplayBacktrace as core[6883ba1bc0fe4ed1]::fmt::Display>::fmt
[INFO] [stdout]                                at /rustc/6b3fa26749ab40e159b2dd5cf577acaaf5902772/library/std/src/sys/backtrace.rs:44:26
[INFO] [stdout]    4:     0x5c6136a6a28a - <core[6883ba1bc0fe4ed1]::fmt::rt::Argument>::fmt
[INFO] [stdout]                                at /rustc/6b3fa26749ab40e159b2dd5cf577acaaf5902772/library/core/src/fmt/rt.rs:152:76
[INFO] [stdout]    5:     0x5c6136a6a28a - core[6883ba1bc0fe4ed1]::fmt::write
[INFO] [stdout]    6:     0x5c6136a5bcec - std[73adb7dc35730857]::io::default_write_fmt::<std[73adb7dc35730857]::sys::stdio::unix::Stderr>
[INFO] [stdout]                                at /rustc/6b3fa26749ab40e159b2dd5cf577acaaf5902772/library/std/src/io/mod.rs:626:11
[INFO] [stdout]    7:     0x5c6136a5bcec - <std[73adb7dc35730857]::sys::stdio::unix::Stderr as std[73adb7dc35730857]::io::Write>::write_fmt
[INFO] [stdout]                                at /rustc/6b3fa26749ab40e159b2dd5cf577acaaf5902772/library/std/src/io/mod.rs:1730:13
[INFO] [stdout]    8:     0x5c6136a40e16 - <std[73adb7dc35730857]::sys::backtrace::BacktraceLock>::print
[INFO] [stdout] ```
[INFO] [stdout] <30 lines omitted>
[INFO] [stdout] ```
[INFO] [stdout]                                at /rustc/6b3fa26749ab40e159b2dd5cf577acaaf5902772/library/alloc/src/vec/mod.rs:3941:9
[INFO] [stdout]   24:     0x5c61368f008e - <core[6883ba1bc0fe4ed1]::iter::adapters::map::Map<core[6883ba1bc0fe4ed1]::iter::adapters::flatten::Flatten<core[6883ba1bc0fe4ed1]::slice::iter::Iter<alloc[55a36b64bcbf2c0d]::vec::Vec<clap[965b0170b9d3cf34]::parser::matches::any_value::AnyValue>>>, <clap[965b0170b9d3cf34]::parser::matches::arg_matches::ArgMatches>::values_of_lossy<&str>::{closure#0}> as core[6883ba1bc0fe4ed1]::iter::traits::iterator::Iterator>::collect::<alloc[55a36b64bcbf2c0d]::vec::Vec<alloc[55a36b64bcbf2c0d]::string::String>>
[INFO] [stdout]                                at /rustc/6b3fa26749ab40e159b2dd5cf577acaaf5902772/library/core/src/iter/traits/iterator.rs:2090:9
[INFO] [stdout]   25:     0x5c61368ea166 - <clap[965b0170b9d3cf34]::parser::matches::arg_matches::ArgMatches>::values_of_lossy::<&str>
[INFO] [stdout]                                at /opt/rustwide/cargo-home/registry/src/index.crates.io-1949cf8c6b5b557f/clap-3.2.25/src/parser/matches/arg_matches.rs:548:14
[INFO] [stdout]   26:     0x5c61368f418b - command_line_rust[2a7d65b3375657d0]::head::get_args
[INFO] [stdout]                                at /opt/rustwide/workdir/src/head/mod.rs:92:24
[INFO] [stdout]   27:     0x5c61368e9ad2 - head[5f62c2f9cff836a0]::main
[INFO] [stdout]                                at /opt/rustwide/workdir/src/head/main.rs:4:21
[INFO] [stdout]   28:     0x5c61368e9beb - <fn() as core[6883ba1bc0fe4ed1]::ops::function::FnOnce<()>>::call_once
[INFO] [stdout]                                at /rustc/6b3fa26749ab40e159b2dd5cf577acaaf5902772/library/core/src/ops/function.rs:250:5
[INFO] [stdout]   29:     0x5c61368e9a5e - std[73adb7dc35730857]::sys::backtrace::__rust_begin_short_backtrace::<fn(), ()>
[INFO] [stdout]                                at /rustc/6b3fa26749ab40e159b2dd5cf577acaaf5902772/library/std/src/sys/backtrace.rs:166:18
[INFO] [stdout]   30:     0x5c61368e9a81 - std[73adb7dc35730857]::rt::lang_start::<()>::{closure#0}
[INFO] [stdout]                                at /rustc/6b3fa26749ab40e159b2dd5cf577acaaf5902772/library/std/src/rt.rs:206:18
[INFO] [stdout]   31:     0x5c6136a51547 - <&dyn core[6883ba1bc0fe4ed1]::ops::function::Fn<(), Output = i32> + core[6883ba1bc0fe4ed1]::panic::unwind_safe::RefUnwindSafe + core[6883ba1bc0fe4ed1]::marker::Sync as core[6883ba1bc0fe4ed1]::ops::function::FnOnce<()>>::call_once
[INFO] [stdout]                                at /rustc/6b3fa26749ab40e159b2dd5cf577acaaf5902772/library/core/src/ops/function.rs:287:21
[INFO] [stdout]   32:     0x5c6136a51547 - std[73adb7dc35730857]::panicking::catch_unwind::do_call::<&dyn core[6883ba1bc0fe4ed1]::ops::function::Fn<(), Output = i32> + core[6883ba1bc0fe4ed1]::panic::unwind_safe::RefUnwindSafe + core[6883ba1bc0fe4ed1]::marker::Sync, i32>
[INFO] [stdout]                                at /rustc/6b3fa26749ab40e159b2dd5cf577acaaf5902772/library/std/src/panicking.rs:576:43
[INFO] [stdout]   33:     0x5c6136a51547 - std[73adb7dc35730857]::panicking::catch_unwind::<i32, &dyn core[6883ba1bc0fe4ed1]::ops::function::Fn<(), Output = i32> + core[6883ba1bc0fe4ed1]::panic::unwind_safe::RefUnwindSafe + core[6883ba1bc0fe4ed1]::marker::Sync>
[INFO] [stdout]                                at /rustc/6b3fa26749ab40e159b2dd5cf577acaaf5902772/library/std/src/panicking.rs:544:19
[INFO] [stdout]   34:     0x5c6136a51547 - std[73adb7dc35730857]::panic::catch_unwind::<&dyn core[6883ba1bc0fe4ed1]::ops::function::Fn<(), Output = i32> + core[6883ba1bc0fe4ed1]::panic::unwind_safe::RefUnwindSafe + core[6883ba1bc0fe4ed1]::marker::Sync, i32>
[INFO] [stdout]                                at /rustc/6b3fa26749ab40e159b2dd5cf577acaaf5902772/library/std/src/panic.rs:359:14
[INFO] [stdout]   35:     0x5c6136a51547 - std[73adb7dc35730857]::rt::lang_start_internal::{closure#0}
[INFO] [stdout]                                at /rustc/6b3fa26749ab40e159b2dd5cf577acaaf5902772/library/std/src/rt.rs:175:24
[INFO] [stdout]   36:     0x5c6136a51547 - std[73adb7dc35730857]::panicking::catch_unwind::do_call::<std[73adb7dc35730857]::rt::lang_start_internal::{closure#0}, isize>
[INFO] [stdout]                                at /rustc/6b3fa26749ab40e159b2dd5cf577acaaf5902772/library/std/src/panicking.rs:576:43
[INFO] [stdout]   37:     0x5c6136a51547 - std[73adb7dc35730857]::panicking::catch_unwind::<isize, std[73adb7dc35730857]::rt::lang_start_internal::{closure#0}>
[INFO] [stdout]                                at /rustc/6b3fa26749ab40e159b2dd5cf577acaaf5902772/library/std/src/panicking.rs:544:19
[INFO] [stdout]   38:     0x5c6136a51547 - std[73adb7dc35730857]::panic::catch_unwind::<std[73adb7dc35730857]::rt::lang_start_internal::{closure#0}, isize>
[INFO] [stdout]                                at /rustc/6b3fa26749ab40e159b2dd5cf577acaaf5902772/library/std/src/panic.rs:359:14
[INFO] [stdout]   39:     0x5c6136a51547 - std[73adb7dc35730857]::rt::lang_start_internal
[INFO] [stdout]                                at /rustc/6b3fa26749ab40e159b2dd5cf577acaaf5902772/library/std/src/rt.rs:171:5
[INFO] [stdout]   40:     0x5c61368e9a47 - std[73adb7dc35730857]::rt::lang_start::<()>
[INFO] [stdout]                                at /rustc/6b3fa26749ab40e159b2dd5cf577acaaf5902772/library/std/src/rt.rs:205:5
[INFO] [stdout]   41:     0x5c61368e9c7e - main
[INFO] [stdout]   42:     0x712fd84401ca - <unknown>
[INFO] [stdout]   43:     0x712fd844028b - __libc_start_main
[INFO] [stdout]   44:     0x5c61368e98a5 - _start
[INFO] [stdout]   45:                0x0 - <unknown>
[INFO] [stdout] ```
[INFO] [stdout] ```
[INFO] [stdout] command=`"/opt/rustwide/target/debug/head" "tests/head/inputs/empty.txt" "tests/head/inputs/one.txt" "tests/head/inputs/two.txt" "tests/head/inputs/three.txt" "tests/head/inputs/ten.txt" "-n" "2"`
[INFO] [stdout] code=101
[INFO] [stdout] stdout=""
[INFO] [stdout] stderr=<90 lines total>
[INFO] [stdout] ```
[INFO] [stdout] 
[INFO] [stdout] thread \'main\' (3171) panicked at /opt/rustwide/cargo-home/registry/src/index.crates.io-1949cf8c6b5b557f/clap-3.2.25/src/parser/matches/arg_matches.rs:547:22:
[INFO] [stdout] Must use `Arg::allow_invalid_utf8` with `_os` lookups at `files`
[INFO] [stdout] stack backtrace:
[INFO] [stdout]    0:     0x5c6136a56601 - std[73adb7dc35730857]::backtrace_rs::backtrace::libunwind::trace
[INFO] [stdout]                                at /rustc/6b3fa26749ab40e159b2dd5cf577acaaf5902772/library/std/src/../../backtrace/src/backtrace/libunwind.rs:117:9
[INFO] [stdout]    1:     0x5c6136a56601 - std[73adb7dc35730857]::backtrace_rs::backtrace::trace_unsynchronized::<std[73adb7dc35730857]::sys::backtrace::_print_fmt::{closure#1}>
[INFO] [stdout]                                at /rustc/6b3fa26749ab40e159b2dd5cf577acaaf5902772/library/std/src/../../backtrace/src/backtrace/mod.rs:66:14
[INFO] [stdout]    2:     0x5c6136a56601 - std[73adb7dc35730857]::sys::backtrace::_print_fmt
[INFO] [stdout]                                at /rustc/6b3fa26749ab40e159b2dd5cf577acaaf5902772/library/std/src/sys/backtrace.rs:74:9
[INFO] [stdout]    3:     0x5c6136a56601 - <<std[73adb7dc35730857]::sys::backtrace::BacktraceLock>::print::DisplayBacktrace as core[6883ba1bc0fe4ed1]::fmt::Display>::fmt
[INFO] [stdout]                                at /rustc/6b3fa26749ab40e159b2dd5cf577acaaf5902772/library/std/src/sys/backtrace.rs:44:26
[INFO] [stdout]    4:     0x5c6136a6a28a - <core[6883ba1bc0fe4ed1]::fmt::rt::Argument>::fmt
[INFO] [stdout]                                at /rustc/6b3fa26749ab40e159b2dd5cf577acaaf5902772/library/core/src/fmt/rt.rs:152:76
[INFO] [stdout]    5:     0x5c6136a6a28a - core[6883ba1bc0fe4ed1]::fmt::write
[INFO] [stdout]    6:     0x5c6136a5bcec - std[73adb7dc35730857]::io::default_write_fmt::<std[73adb7dc35730857]::sys::stdio::unix::Stderr>
[INFO] [stdout]                                at /rustc/6b3fa26749ab40e159b2dd5cf577acaaf5902772/library/std/src/io/mod.rs:626:11
[INFO] [stdout]    7:     0x5c6136a5bcec - <std[73adb7dc35730857]::sys::stdio::unix::Stderr as std[73adb7dc35730857]::io::Write>::write_fmt
[INFO] [stdout]                                at /rustc/6b3fa26749ab40e159b2dd5cf577acaaf5902772/library/std/src/io/mod.rs:1730:13
[INFO] [stdout]    8:     0x5c6136a40e16 - <std[73adb7dc35730857]::sys::backtrace::BacktraceLock>::print
[INFO] [stdout] ```
[INFO] [stdout] <30 lines omitted>
[INFO] [stdout] ```
[INFO] [stdout]                                at /rustc/6b3fa26749ab40e159b2dd5cf577acaaf5902772/library/alloc/src/vec/mod.rs:3941:9
[INFO] [stdout]   24:     0x5c61368f008e - <core[6883ba1bc0fe4ed1]::iter::adapters::map::Map<core[6883ba1bc0fe4ed1]::iter::adapters::flatten::Flatten<core[6883ba1bc0fe4ed1]::slice::iter::Iter<alloc[55a36b64bcbf2c0d]::vec::Vec<clap[965b0170b9d3cf34]::parser::matches::any_value::AnyValue>>>, <clap[965b0170b9d3cf34]::parser::matches::arg_matches::ArgMatches>::values_of_lossy<&str>::{closure#0}> as core[6883ba1bc0fe4ed1]::iter::traits::iterator::Iterator>::collect::<alloc[55a36b64bcbf2c0d]::vec::Vec<alloc[55a36b64bcbf2c0d]::string::String>>
[INFO] [stdout]                                at /rustc/6b3fa26749ab40e159b2dd5cf577acaaf5902772/library/core/src/iter/traits/iterator.rs:2090:9
[INFO] [stdout]   25:     0x5c61368ea166 - <clap[965b0170b9d3cf34]::parser::matches::arg_matches::ArgMatches>::values_of_lossy::<&str>
[INFO] [stdout]                                at /opt/rustwide/cargo-home/registry/src/index.crates.io-1949cf8c6b5b557f/clap-3.2.25/src/parser/matches/arg_matches.rs:548:14
[INFO] [stdout]   26:     0x5c61368f418b - command_line_rust[2a7d65b3375657d0]::head::get_args
[INFO] [stdout]                                at /opt/rustwide/workdir/src/head/mod.rs:92:24
[INFO] [stdout]   27:     0x5c61368e9ad2 - head[5f62c2f9cff836a0]::main
[INFO] [stdout]                                at /opt/rustwide/workdir/src/head/main.rs:4:21
[INFO] [stdout]   28:     0x5c61368e9beb - <fn() as core[6883ba1bc0fe4ed1]::ops::function::FnOnce<()>>::call_once
[INFO] [stdout]                                at /rustc/6b3fa26749ab40e159b2dd5cf577acaaf5902772/library/core/src/ops/function.rs:250:5
[INFO] [stdout]   29:     0x5c61368e9a5e - std[73adb7dc35730857]::sys::backtrace::__rust_begin_short_backtrace::<fn(), ()>
[INFO] [stdout]                                at /rustc/6b3fa26749ab40e159b2dd5cf577acaaf5902772/library/std/src/sys/backtrace.rs:166:18
[INFO] [stdout]   30:     0x5c61368e9a81 - std[73adb7dc35730857]::rt::lang_start::<()>::{closure#0}
[INFO] [stdout]                                at /rustc/6b3fa26749ab40e159b2dd5cf577acaaf5902772/library/std/src/rt.rs:206:18
[INFO] [stdout]   31:     0x5c6136a51547 - <&dyn core[6883ba1bc0fe4ed1]::ops::function::Fn<(), Output = i32> + core[6883ba1bc0fe4ed1]::panic::unwind_safe::RefUnwindSafe + core[6883ba1bc0fe4ed1]::marker::Sync as core[6883ba1bc0fe4ed1]::ops::function::FnOnce<()>>::call_once
[INFO] [stdout]                                at /rustc/6b3fa26749ab40e159b2dd5cf577acaaf5902772/library/core/src/ops/function.rs:287:21
[INFO] [stdout]   32:     0x5c6136a51547 - std[73adb7dc35730857]::panicking::catch_unwind::do_call::<&dyn core[6883ba1bc0fe4ed1]::ops::function::Fn<(), Output = i32> + core[6883ba1bc0fe4ed1]::panic::unwind_safe::RefUnwindSafe + core[6883ba1bc0fe4ed1]::marker::Sync, i32>
[INFO] [stdout]                                at /rustc/6b3fa26749ab40e159b2dd5cf577acaaf5902772/library/std/src/panicking.rs:576:43
[INFO] [stdout]   33:     0x5c6136a51547 - std[73adb7dc35730857]::panicking::catch_unwind::<i32, &dyn core[6883ba1bc0fe4ed1]::ops::function::Fn<(), Output = i32> + core[6883ba1bc0fe4ed1]::panic::unwind_safe::RefUnwindSafe + core[6883ba1bc0fe4ed1]::marker::Sync>
[INFO] [stdout]                                at /rustc/6b3fa26749ab40e159b2dd5cf577acaaf5902772/library/std/src/panicking.rs:544:19
[INFO] [stdout]   34:     0x5c6136a51547 - std[73adb7dc35730857]::panic::catch_unwind::<&dyn core[6883ba1bc0fe4ed1]::ops::function::Fn<(), Output = i32> + core[6883ba1bc0fe4ed1]::panic::unwind_safe::RefUnwindSafe + core[6883ba1bc0fe4ed1]::marker::Sync, i32>
[INFO] [stdout]                                at /rustc/6b3fa26749ab40e159b2dd5cf577acaaf5902772/library/std/src/panic.rs:359:14
[INFO] [stdout]   35:     0x5c6136a51547 - std[73adb7dc35730857]::rt::lang_start_internal::{closure#0}
[INFO] [stdout]                                at /rustc/6b3fa26749ab40e159b2dd5cf577acaaf5902772/library/std/src/rt.rs:175:24
[INFO] [stdout]   36:     0x5c6136a51547 - std[73adb7dc35730857]::panicking::catch_unwind::do_call::<std[73adb7dc35730857]::rt::lang_start_internal::{closure#0}, isize>
[INFO] [stdout]                                at /rustc/6b3fa26749ab40e159b2dd5cf577acaaf5902772/library/std/src/panicking.rs:576:43
[INFO] [stdout]   37:     0x5c6136a51547 - std[73adb7dc35730857]::panicking::catch_unwind::<isize, std[73adb7dc35730857]::rt::lang_start_internal::{closure#0}>
[INFO] [stdout]                                at /rustc/6b3fa26749ab40e159b2dd5cf577acaaf5902772/library/std/src/panicking.rs:544:19
[INFO] [stdout]   38:     0x5c6136a51547 - std[73adb7dc35730857]::panic::catch_unwind::<std[73adb7dc35730857]::rt::lang_start_internal::{closure#0}, isize>
[INFO] [stdout]                                at /rustc/6b3fa26749ab40e159b2dd5cf577acaaf5902772/library/std/src/panic.rs:359:14
[INFO] [stdout]   39:     0x5c6136a51547 - std[73adb7dc35730857]::rt::lang_start_internal
[INFO] [stdout]                                at /rustc/6b3fa26749ab40e159b2dd5cf577acaaf5902772/library/std/src/rt.rs:171:5
[INFO] [stdout]   40:     0x5c61368e9a47 - std[73adb7dc35730857]::rt::lang_start::<()>
[INFO] [stdout]                                at /rustc/6b3fa26749ab40e159b2dd5cf577acaaf5902772/library/std/src/rt.rs:205:5
[INFO] [stdout]   41:     0x5c61368e9c7e - main
[INFO] [stdout]   42:     0x712fd84401ca - <unknown>
[INFO] [stdout]   43:     0x712fd844028b - __libc_start_main
[INFO] [stdout]   44:     0x5c61368e98a5 - _start
[INFO] [stdout]   45:                0x0 - <unknown>
[INFO] [stdout] ```
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] stack backtrace:
[INFO] [stdout]    0:     0x5c98fa0d5011 - std[73adb7dc35730857]::backtrace_rs::backtrace::libunwind::trace
[INFO] [stdout]                                at /rustc/6b3fa26749ab40e159b2dd5cf577acaaf5902772/library/std/src/../../backtrace/src/backtrace/libunwind.rs:117:9
[INFO] [stdout]    1:     0x5c98fa0d5011 - std[73adb7dc35730857]::backtrace_rs::backtrace::trace_unsynchronized::<std[73adb7dc35730857]::sys::backtrace::_print_fmt::{closure#1}>
[INFO] [stdout]                                at /rustc/6b3fa26749ab40e159b2dd5cf577acaaf5902772/library/std/src/../../backtrace/src/backtrace/mod.rs:66:14
[INFO] [stdout]    2:     0x5c98fa0d5011 - std[73adb7dc35730857]::sys::backtrace::_print_fmt
[INFO] [stdout]                                at /rustc/6b3fa26749ab40e159b2dd5cf577acaaf5902772/library/std/src/sys/backtrace.rs:74:9
[INFO] [stdout]    3:     0x5c98fa0d5011 - <<std[73adb7dc35730857]::sys::backtrace::BacktraceLock>::print::DisplayBacktrace as core[6883ba1bc0fe4ed1]::fmt::Display>::fmt
[INFO] [stdout]                                at /rustc/6b3fa26749ab40e159b2dd5cf577acaaf5902772/library/std/src/sys/backtrace.rs:44:26
[INFO] [stdout]    4:     0x5c98fa0eb71a - <core[6883ba1bc0fe4ed1]::fmt::rt::Argument>::fmt
[INFO] [stdout]                                at /rustc/6b3fa26749ab40e159b2dd5cf577acaaf5902772/library/core/src/fmt/rt.rs:152:76
[INFO] [stdout]    5:     0x5c98fa0eb71a - core[6883ba1bc0fe4ed1]::fmt::write
[INFO] [stdout]    6:     0x5c98fa0da99c - std[73adb7dc35730857]::io::default_write_fmt::<alloc[55a36b64bcbf2c0d]::vec::Vec<u8>>
[INFO] [stdout]                                at /rustc/6b3fa26749ab40e159b2dd5cf577acaaf5902772/library/std/src/io/mod.rs:626:11
[INFO] [stdout]    7:     0x5c98fa0da99c - <alloc[55a36b64bcbf2c0d]::vec::Vec<u8> as std[73adb7dc35730857]::io::Write>::write_fmt
[INFO] [stdout]                                at /rustc/6b3fa26749ab40e159b2dd5cf577acaaf5902772/library/std/src/io/mod.rs:1730:13
[INFO] [stdout]    8:     0x5c98fa0b2986 - <std[73adb7dc35730857]::sys::backtrace::BacktraceLock>::print
[INFO] [stdout]                                at /rustc/6b3fa26749ab40e159b2dd5cf577acaaf5902772/library/std/src/sys/backtrace.rs:47:9
[INFO] [stdout]    9:     0x5c98fa0b2986 - std[73adb7dc35730857]::panicking::default_hook::{closure#0}
[INFO] [stdout]                                at /rustc/6b3fa26749ab40e159b2dd5cf577acaaf5902772/library/std/src/panicking.rs:292:27
[INFO] [stdout]   10:     0x5c98fa0ccd09 - std[73adb7dc35730857]::panicking::default_hook
[INFO] [stdout]                                at /rustc/6b3fa26749ab40e159b2dd5cf577acaaf5902772/library/std/src/panicking.rs:316:9
[INFO] [stdout]   11:     0x5c98f9e5fc40 - <alloc[55a36b64bcbf2c0d]::boxed::Box<dyn for<'a, 'b> core[6883ba1bc0fe4ed1]::ops::function::Fn<(&'a std[73adb7dc35730857]::panic::PanicHookInfo<'b>,), Output = ()> + core[6883ba1bc0fe4ed1]::marker::Send + core[6883ba1bc0fe4ed1]::marker::Sync> as core[6883ba1bc0fe4ed1]::ops::function::Fn<(&std[73adb7dc35730857]::panic::PanicHookInfo,)>>::call
[INFO] [stdout]                                at /rustc/6b3fa26749ab40e159b2dd5cf577acaaf5902772/library/alloc/src/boxed.rs:2333:9
[INFO] [stdout]   12:     0x5c98f9e5fc40 - test[980ffaebd391d06d]::test_main_inner::<test[980ffaebd391d06d]::test_main_static::{closure#0}>::{closure#0}
[INFO] [stdout]                                at /rustc/6b3fa26749ab40e159b2dd5cf577acaaf5902772/library/test/src/lib.rs:155:21
[INFO] [stdout]   13:     0x5c98fa0ccec2 - <alloc[55a36b64bcbf2c0d]::boxed::Box<dyn for<'a, 'b> core[6883ba1bc0fe4ed1]::ops::function::Fn<(&'a std[73adb7dc35730857]::panic::PanicHookInfo<'b>,), Output = ()> + core[6883ba1bc0fe4ed1]::marker::Send + core[6883ba1bc0fe4ed1]::marker::Sync> as core[6883ba1bc0fe4ed1]::ops::function::Fn<(&std[73adb7dc35730857]::panic::PanicHookInfo,)>>::call
[INFO] [stdout]                                at /rustc/6b3fa26749ab40e159b2dd5cf577acaaf5902772/library/alloc/src/boxed.rs:2333:9
[INFO] [stdout]   14:     0x5c98fa0ccec2 - std[73adb7dc35730857]::panicking::panic_with_hook
[INFO] [stdout]                                at /rustc/6b3fa26749ab40e159b2dd5cf577acaaf5902772/library/std/src/panicking.rs:823:13
[INFO] [stdout]   15:     0x5c98fa0b2a32 - std[73adb7dc35730857]::panicking::panic_handler::{closure#0}
[INFO] [stdout]                                at /rustc/6b3fa26749ab40e159b2dd5cf577acaaf5902772/library/std/src/panicking.rs:688:13
[INFO] [stdout]   16:     0x5c98fa0aa1d9 - std[73adb7dc35730857]::sys::backtrace::__rust_end_short_backtrace::<std[73adb7dc35730857]::panicking::panic_handler::{closure#0}, !>
[INFO] [stdout]                                at /rustc/6b3fa26749ab40e159b2dd5cf577acaaf5902772/library/std/src/sys/backtrace.rs:182:18
[INFO] [stdout]   17:     0x5c98fa0b362d - __rustc[a7b7b02e776dd976]::rust_begin_unwind
[INFO] [stdout]                                at /rustc/6b3fa26749ab40e159b2dd5cf577acaaf5902772/library/std/src/panicking.rs:679:5
[INFO] [stdout]   18:     0x5c98fa0ebf9c - core[6883ba1bc0fe4ed1]::panicking::panic_fmt
[INFO] [stdout]                                at /rustc/6b3fa26749ab40e159b2dd5cf577acaaf5902772/library/core/src/panicking.rs:80:14
[INFO] [stdout]   19:     0x5c98fa03b8b8 - core[6883ba1bc0fe4ed1]::panicking::panic_display::<assert_cmd[35418449b5f7a4b8]::assert::AssertError>
[INFO] [stdout]                                at /rustc/6b3fa26749ab40e159b2dd5cf577acaaf5902772/library/core/src/panicking.rs:259:5
[INFO] [stdout]   20:     0x5c98fa0426c7 - <assert_cmd[35418449b5f7a4b8]::assert::AssertError>::panic::<assert_cmd[35418449b5f7a4b8]::assert::Assert>
[INFO] [stdout]                                at /opt/rustwide/cargo-home/registry/src/index.crates.io-1949cf8c6b5b557f/assert_cmd-2.0.11/src/assert.rs:1033:9
[INFO] [stdout]   21:     0x5c98fa038947 - <<assert_cmd[35418449b5f7a4b8]::assert::AssertError>::panic<assert_cmd[35418449b5f7a4b8]::assert::Assert> as core[6883ba1bc0fe4ed1]::ops::function::FnOnce<(assert_cmd[35418449b5f7a4b8]::assert::AssertError,)>>::call_once
[INFO] [stdout]                                at /rustc/6b3fa26749ab40e159b2dd5cf577acaaf5902772/library/core/src/ops/function.rs:250:5
[INFO] [stdout]   22:     0x5c98fa041dfb - <core[6883ba1bc0fe4ed1]::result::Result<assert_cmd[35418449b5f7a4b8]::assert::Assert, assert_cmd[35418449b5f7a4b8]::assert::AssertError>>::unwrap_or_else::<<assert_cmd[35418449b5f7a4b8]::assert::AssertError>::panic<assert_cmd[35418449b5f7a4b8]::assert::Assert>>
[INFO] [stdout]                                at /rustc/6b3fa26749ab40e159b2dd5cf577acaaf5902772/library/core/src/result.rs:1620:23
[INFO] [stdout]   23:     0x5c98fa0442a0 - <assert_cmd[35418449b5f7a4b8]::assert::Assert>::success
[INFO] [stdout]                                at /opt/rustwide/cargo-home/registry/src/index.crates.io-1949cf8c6b5b557f/assert_cmd-2.0.11/src/assert.rs:158:28
[INFO] [stdout]   24:     0x5c98f9e4c073 - lib[ef69c164f1f8dd99]::head::run
[INFO] [stdout]                                at /opt/rustwide/workdir/tests/head/mod.rs:105:10
[INFO] [stdout]   25:     0x5c98f9e4db8e - lib[ef69c164f1f8dd99]::head::multiple_files_n2
[INFO] [stdout]                                at /opt/rustwide/workdir/tests/head/mod.rs:384:5
[INFO] [stdout]   26:     0x5c98f9e479c7 - lib[ef69c164f1f8dd99]::head::multiple_files_n2::{closure#0}
[INFO] [stdout]                                at /opt/rustwide/workdir/tests/head/mod.rs:383:27
[INFO] [stdout]   27:     0x5c98f9e52496 - <lib[ef69c164f1f8dd99]::head::multiple_files_n2::{closure#0} as core[6883ba1bc0fe4ed1]::ops::function::FnOnce<()>>::call_once
[INFO] [stdout]                                at /rustc/6b3fa26749ab40e159b2dd5cf577acaaf5902772/library/core/src/ops/function.rs:250:5
[INFO] [stdout]   28:     0x5c98f9e52f7b - <fn() -> core[6883ba1bc0fe4ed1]::result::Result<(), alloc[55a36b64bcbf2c0d]::string::String> as core[6883ba1bc0fe4ed1]::ops::function::FnOnce<()>>::call_once
[INFO] [stdout]                                at /rustc/6b3fa26749ab40e159b2dd5cf577acaaf5902772/library/core/src/ops/function.rs:250:5
[INFO] [stdout]   29:     0x5c98f9e52f7b - test[980ffaebd391d06d]::__rust_begin_short_backtrace::<core[6883ba1bc0fe4ed1]::result::Result<(), alloc[55a36b64bcbf2c0d]::string::String>, fn() -> core[6883ba1bc0fe4ed1]::result::Result<(), alloc[55a36b64bcbf2c0d]::string::String>>
[INFO] [stdout]                                at /rustc/6b3fa26749ab40e159b2dd5cf577acaaf5902772/library/test/src/lib.rs:724:18
[INFO] [stdout]   30:     0x5c98f9e605c5 - test[980ffaebd391d06d]::run_test_in_process::{closure#0}
[INFO] [stdout]                                at /rustc/6b3fa26749ab40e159b2dd5cf577acaaf5902772/library/test/src/lib.rs:747:74
[INFO] [stdout]   31:     0x5c98f9e605c5 - <core[6883ba1bc0fe4ed1]::panic::unwind_safe::AssertUnwindSafe<test[980ffaebd391d06d]::run_test_in_process::{closure#0}> as core[6883ba1bc0fe4ed1]::ops::function::FnOnce<()>>::call_once
[INFO] [stdout]                                at /rustc/6b3fa26749ab40e159b2dd5cf577acaaf5902772/library/core/src/panic/unwind_safe.rs:275:9
[INFO] [stdout]   32:     0x5c98f9e605c5 - std[73adb7dc35730857]::panicking::catch_unwind::do_call::<core[6883ba1bc0fe4ed1]::panic::unwind_safe::AssertUnwindSafe<test[980ffaebd391d06d]::run_test_in_process::{closure#0}>, core[6883ba1bc0fe4ed1]::result::Result<(), alloc[55a36b64bcbf2c0d]::string::String>>
[INFO] [stdout]                                at /rustc/6b3fa26749ab40e159b2dd5cf577acaaf5902772/library/std/src/panicking.rs:576:43
[INFO] [stdout]   33:     0x5c98f9e605c5 - std[73adb7dc35730857]::panicking::catch_unwind::<core[6883ba1bc0fe4ed1]::result::Result<(), alloc[55a36b64bcbf2c0d]::string::String>, core[6883ba1bc0fe4ed1]::panic::unwind_safe::AssertUnwindSafe<test[980ffaebd391d06d]::run_test_in_process::{closure#0}>>
[INFO] [stdout]                                at /rustc/6b3fa26749ab40e159b2dd5cf577acaaf5902772/library/std/src/panicking.rs:544:19
[INFO] [stdout]   34:     0x5c98f9e605c5 - std[73adb7dc35730857]::panic::catch_unwind::<core[6883ba1bc0fe4ed1]::panic::unwind_safe::AssertUnwindSafe<test[980ffaebd391d06d]::run_test_in_process::{closure#0}>, core[6883ba1bc0fe4ed1]::result::Result<(), alloc[55a36b64bcbf2c0d]::string::String>>
[INFO] [stdout]                                at /rustc/6b3fa26749ab40e159b2dd5cf577acaaf5902772/library/std/src/panic.rs:359:14
[INFO] [stdout]   35:     0x5c98f9e605c5 - test[980ffaebd391d06d]::run_test_in_process
[INFO] [stdout]                                at /rustc/6b3fa26749ab40e159b2dd5cf577acaaf5902772/library/test/src/lib.rs:747:27
[INFO] [stdout]   36:     0x5c98f9e605c5 - test[980ffaebd391d06d]::run_test::{closure#0}
[INFO] [stdout]                                at /rustc/6b3fa26749ab40e159b2dd5cf577acaaf5902772/library/test/src/lib.rs:668:43
[INFO] [stdout]   37:     0x5c98f9e5b074 - test[980ffaebd391d06d]::run_test::{closure#1}
[INFO] [stdout]                                at /rustc/6b3fa26749ab40e159b2dd5cf577acaaf5902772/library/test/src/lib.rs:698:41
[INFO] [stdout]   38:     0x5c98f9e5b074 - std[73adb7dc35730857]::sys::backtrace::__rust_begin_short_backtrace::<test[980ffaebd391d06d]::run_test::{closure#1}, ()>
[INFO] [stdout]                                at /rustc/6b3fa26749ab40e159b2dd5cf577acaaf5902772/library/std/src/sys/backtrace.rs:166:18
[INFO] [stdout]   39:     0x5c98f9e63712 - std[73adb7dc35730857]::thread::lifecycle::spawn_unchecked::<test[980ffaebd391d06d]::run_test::{closure#1}, ()>::{closure#1}::{closure#0}
[INFO] [stdout]                                at /rustc/6b3fa26749ab40e159b2dd5cf577acaaf5902772/library/std/src/thread/lifecycle.rs:70:13
[INFO] [stdout]   40:     0x5c98f9e63712 - <core[6883ba1bc0fe4ed1]::panic::unwind_safe::AssertUnwindSafe<std[73adb7dc35730857]::thread::lifecycle::spawn_unchecked<test[980ffaebd391d06d]::run_test::{closure#1}, ()>::{closure#1}::{closure#0}> as core[6883ba1bc0fe4ed1]::ops::function::FnOnce<()>>::call_once
[INFO] [stdout]                                at /rustc/6b3fa26749ab40e159b2dd5cf577acaaf5902772/library/core/src/panic/unwind_safe.rs:275:9
[INFO] [stdout]   41:     0x5c98f9e63712 - std[73adb7dc35730857]::panicking::catch_unwind::do_call::<core[6883ba1bc0fe4ed1]::panic::unwind_safe::AssertUnwindSafe<std[73adb7dc35730857]::thread::lifecycle::spawn_unchecked<test[980ffaebd391d06d]::run_test::{closure#1}, ()>::{closure#1}::{closure#0}>, ()>
[INFO] [stdout]                                at /rustc/6b3fa26749ab40e159b2dd5cf577acaaf5902772/library/std/src/panicking.rs:576:43
[INFO] [stdout]   42:     0x5c98f9e63712 - std[73adb7dc35730857]::panicking::catch_unwind::<(), core[6883ba1bc0fe4ed1]::panic::unwind_safe::AssertUnwindSafe<std[73adb7dc35730857]::thread::lifecycle::spawn_unchecked<test[980ffaebd391d06d]::run_test::{closure#1}, ()>::{closure#1}::{closure#0}>>
[INFO] [stdout]                                at /rustc/6b3fa26749ab40e159b2dd5cf577acaaf5902772/library/std/src/panicking.rs:544:19
[INFO] [stdout]   43:     0x5c98f9e63712 - std[73adb7dc35730857]::panic::catch_unwind::<core[6883ba1bc0fe4ed1]::panic::unwind_safe::AssertUnwindSafe<std[73adb7dc35730857]::thread::lifecycle::spawn_unchecked<test[980ffaebd391d06d]::run_test::{closure#1}, ()>::{closure#1}::{closure#0}>, ()>
[INFO] [stdout]                                at /rustc/6b3fa26749ab40e159b2dd5cf577acaaf5902772/library/std/src/panic.rs:359:14
[INFO] [stdout]   44:     0x5c98f9e63712 - std[73adb7dc35730857]::thread::lifecycle::spawn_unchecked::<test[980ffaebd391d06d]::run_test::{closure#1}, ()>::{closure#1}
[INFO] [stdout]                                at /rustc/6b3fa26749ab40e159b2dd5cf577acaaf5902772/library/std/src/thread/lifecycle.rs:68:26
[INFO] [stdout]   45:     0x5c98f9e63712 - <std[73adb7dc35730857]::thread::lifecycle::spawn_unchecked<test[980ffaebd391d06d]::run_test::{closure#1}, ()>::{closure#1} as core[6883ba1bc0fe4ed1]::ops::function::FnOnce<()>>::call_once::{shim:vtable#0}
[INFO] [stdout]                                at /rustc/6b3fa26749ab40e159b2dd5cf577acaaf5902772/library/core/src/ops/function.rs:250:5
[INFO] [stdout]   46:     0x5c98fa0d44af - <alloc[55a36b64bcbf2c0d]::boxed::Box<dyn core[6883ba1bc0fe4ed1]::ops::function::FnOnce<(), Output = ()> + core[6883ba1bc0fe4ed1]::marker::Send> as core[6883ba1bc0fe4ed1]::ops::function::FnOnce<()>>::call_once
[INFO] [stdout]                                at /rustc/6b3fa26749ab40e159b2dd5cf577acaaf5902772/library/alloc/src/boxed.rs:2319:9
[INFO] [stdout]   47:     0x5c98fa0d44af - <std[73adb7dc35730857]::sys::thread::unix::Thread>::new::thread_start
[INFO] [stdout]                                at /rustc/6b3fa26749ab40e159b2dd5cf577acaaf5902772/library/std/src/sys/thread/unix.rs:123:17
[INFO] [stdout]   48:     0x718092357aa4 - <unknown>
[INFO] [stdout]   49:     0x7180923e4a64 - clone
[INFO] [stdout]   50:                0x0 - <unknown>
[INFO] [stdout] 
[INFO] [stdout] ---- head::one_stdin stdout ----
[INFO] [stdout] 
[INFO] [stdout] thread 'head::one_stdin' (3214) panicked at /rustc/6b3fa26749ab40e159b2dd5cf577acaaf5902772/library/core/src/ops/function.rs:250:5:
[INFO] [stdout] Unexpected stdout, failed var == [
[INFO] [stdout]     195,
[INFO] [stdout]     150,
[INFO] [stdout]     110,
[INFO] [stdout]     101,
[INFO] [stdout]     32,
[INFO] [stdout]     108,
[INFO] [stdout]     105,
[INFO] [stdout]     110,
[INFO] [stdout]     101,
[INFO] [stdout]     44,
[INFO] [stdout]     32,
[INFO] [stdout]     102,
[INFO] [stdout]     111,
[INFO] [stdout]     117,
[INFO] [stdout]     114,
[INFO] [stdout]     32,
[INFO] [stdout]     119,
[INFO] [stdout]     111,
[INFO] [stdout]     114,
[INFO] [stdout]     100,
[INFO] [stdout]     115,
[INFO] [stdout]     46,
[INFO] [stdout]     10,
[INFO] [stdout] ]
[INFO] [stdout] └── var: []
[INFO] [stdout] 
[INFO] [stdout] command=`"/opt/rustwide/target/debug/head"`
[INFO] [stdout] stdin=`"Öne line, four words.\n"`
[INFO] [stdout] code=101
[INFO] [stdout] stdout=""
[INFO] [stdout] stderr=<90 lines total>
[INFO] [stdout] ```
[INFO] [stdout] 
[INFO] [stdout] thread \'main\' (3216) panicked at /opt/rustwide/cargo-home/registry/src/index.crates.io-1949cf8c6b5b557f/clap-3.2.25/src/parser/matches/arg_matches.rs:547:22:
[INFO] [stdout] Must use `Arg::allow_invalid_utf8` with `_os` lookups at `files`
[INFO] [stdout] stack backtrace:
[INFO] [stdout]    0:     0x5ac750267601 - std[73adb7dc35730857]::backtrace_rs::backtrace::libunwind::trace
[INFO] [stdout]                                at /rustc/6b3fa26749ab40e159b2dd5cf577acaaf5902772/library/std/src/../../backtrace/src/backtrace/libunwind.rs:117:9
[INFO] [stdout]    1:     0x5ac750267601 - std[73adb7dc35730857]::backtrace_rs::backtrace::trace_unsynchronized::<std[73adb7dc35730857]::sys::backtrace::_print_fmt::{closure#1}>
[INFO] [stdout]                                at /rustc/6b3fa26749ab40e159b2dd5cf577acaaf5902772/library/std/src/../../backtrace/src/backtrace/mod.rs:66:14
[INFO] [stdout]    2:     0x5ac750267601 - std[73adb7dc35730857]::sys::backtrace::_print_fmt
[INFO] [stdout]                                at /rustc/6b3fa26749ab40e159b2dd5cf577acaaf5902772/library/std/src/sys/backtrace.rs:74:9
[INFO] [stdout]    3:     0x5ac750267601 - <<std[73adb7dc35730857]::sys::backtrace::BacktraceLock>::print::DisplayBacktrace as core[6883ba1bc0fe4ed1]::fmt::Display>::fmt
[INFO] [stdout]                                at /rustc/6b3fa26749ab40e159b2dd5cf577acaaf5902772/library/std/src/sys/backtrace.rs:44:26
[INFO] [stdout]    4:     0x5ac75027b28a - <core[6883ba1bc0fe4ed1]::fmt::rt::Argument>::fmt
[INFO] [stdout]                                at /rustc/6b3fa26749ab40e159b2dd5cf577acaaf5902772/library/core/src/fmt/rt.rs:152:76
[INFO] [stdout]    5:     0x5ac75027b28a - core[6883ba1bc0fe4ed1]::fmt::write
[INFO] [stdout]    6:     0x5ac75026ccec - std[73adb7dc35730857]::io::default_write_fmt::<std[73adb7dc35730857]::sys::stdio::unix::Stderr>
[INFO] [stdout]                                at /rustc/6b3fa26749ab40e159b2dd5cf577acaaf5902772/library/std/src/io/mod.rs:626:11
[INFO] [stdout]    7:     0x5ac75026ccec - <std[73adb7dc35730857]::sys::stdio::unix::Stderr as std[73adb7dc35730857]::io::Write>::write_fmt
[INFO] [stdout]                                at /rustc/6b3fa26749ab40e159b2dd5cf577acaaf5902772/library/std/src/io/mod.rs:1730:13
[INFO] [stdout]    8:     0x5ac750251e16 - <std[73adb7dc35730857]::sys::backtrace::BacktraceLock>::print
[INFO] [stdout] ```
[INFO] [stdout] <30 lines omitted>
[INFO] [stdout] ```
[INFO] [stdout]                                at /rustc/6b3fa26749ab40e159b2dd5cf577acaaf5902772/library/alloc/src/vec/mod.rs:3941:9
[INFO] [stdout]   24:     0x5ac75010108e - <core[6883ba1bc0fe4ed1]::iter::adapters::map::Map<core[6883ba1bc0fe4ed1]::iter::adapters::flatten::Flatten<core[6883ba1bc0fe4ed1]::slice::iter::Iter<alloc[55a36b64bcbf2c0d]::vec::Vec<clap[965b0170b9d3cf34]::parser::matches::any_value::AnyValue>>>, <clap[965b0170b9d3cf34]::parser::matches::arg_matches::ArgMatches>::values_of_lossy<&str>::{closure#0}> as core[6883ba1bc0fe4ed1]::iter::traits::iterator::Iterator>::collect::<alloc[55a36b64bcbf2c0d]::vec::Vec<alloc[55a36b64bcbf2c0d]::string::String>>
[INFO] [stdout]                                at /rustc/6b3fa26749ab40e159b2dd5cf577acaaf5902772/library/core/src/iter/traits/iterator.rs:2090:9
[INFO] [stdout]   25:     0x5ac7500fb166 - <clap[965b0170b9d3cf34]::parser::matches::arg_matches::ArgMatches>::values_of_lossy::<&str>
[INFO] [stdout]                                at /opt/rustwide/cargo-home/registry/src/index.crates.io-1949cf8c6b5b557f/clap-3.2.25/src/parser/matches/arg_matches.rs:548:14
[INFO] [stdout]   26:     0x5ac75010518b - command_line_rust[2a7d65b3375657d0]::head::get_args
[INFO] [stdout]                                at /opt/rustwide/workdir/src/head/mod.rs:92:24
[INFO] [stdout]   27:     0x5ac7500faad2 - head[5f62c2f9cff836a0]::main
[INFO] [stdout]                                at /opt/rustwide/workdir/src/head/main.rs:4:21
[INFO] [stdout]   28:     0x5ac7500fabeb - <fn() as core[6883ba1bc0fe4ed1]::ops::function::FnOnce<()>>::call_once
[INFO] [stdout]                                at /rustc/6b3fa26749ab40e159b2dd5cf577acaaf5902772/library/core/src/ops/function.rs:250:5
[INFO] [stdout]   29:     0x5ac7500faa5e - std[73adb7dc35730857]::sys::backtrace::__rust_begin_short_backtrace::<fn(), ()>
[INFO] [stdout]                                at /rustc/6b3fa26749ab40e159b2dd5cf577acaaf5902772/library/std/src/sys/backtrace.rs:166:18
[INFO] [stdout]   30:     0x5ac7500faa81 - std[73adb7dc35730857]::rt::lang_start::<()>::{closure#0}
[INFO] [stdout]                                at /rustc/6b3fa26749ab40e159b2dd5cf577acaaf5902772/library/std/src/rt.rs:206:18
[INFO] [stdout]   31:     0x5ac750262547 - <&dyn core[6883ba1bc0fe4ed1]::ops::function::Fn<(), Output = i32> + core[6883ba1bc0fe4ed1]::panic::unwind_safe::RefUnwindSafe + core[6883ba1bc0fe4ed1]::marker::Sync as core[6883ba1bc0fe4ed1]::ops::function::FnOnce<()>>::call_once
[INFO] [stdout]                                at /rustc/6b3fa26749ab40e159b2dd5cf577acaaf5902772/library/core/src/ops/function.rs:287:21
[INFO] [stdout]   32:     0x5ac750262547 - std[73adb7dc35730857]::panicking::catch_unwind::do_call::<&dyn core[6883ba1bc0fe4ed1]::ops::function::Fn<(), Output = i32> + core[6883ba1bc0fe4ed1]::panic::unwind_safe::RefUnwindSafe + core[6883ba1bc0fe4ed1]::marker::Sync, i32>
[INFO] [stdout]                                at /rustc/6b3fa26749ab40e159b2dd5cf577acaaf5902772/library/std/src/panicking.rs:576:43
[INFO] [stdout]   33:     0x5ac750262547 - std[73adb7dc35730857]::panicking::catch_unwind::<i32, &dyn core[6883ba1bc0fe4ed1]::ops::function::Fn<(), Output = i32> + core[6883ba1bc0fe4ed1]::panic::unwind_safe::RefUnwindSafe + core[6883ba1bc0fe4ed1]::marker::Sync>
[INFO] [stdout]                                at /rustc/6b3fa26749ab40e159b2dd5cf577acaaf5902772/library/std/src/panicking.rs:544:19
[INFO] [stdout]   34:     0x5ac750262547 - std[73adb7dc35730857]::panic::catch_unwind::<&dyn core[6883ba1bc0fe4ed1]::ops::function::Fn<(), Output = i32> + core[6883ba1bc0fe4ed1]::panic::unwind_safe::RefUnwindSafe + core[6883ba1bc0fe4ed1]::marker::Sync, i32>
[INFO] [stdout]                                at /rustc/6b3fa26749ab40e159b2dd5cf577acaaf5902772/library/std/src/panic.rs:359:14
[INFO] [stdout]   35:     0x5ac750262547 - std[73adb7dc35730857]::rt::lang_start_internal::{closure#0}
[INFO] [stdout]                                at /rustc/6b3fa26749ab40e159b2dd5cf577acaaf5902772/library/std/src/rt.rs:175:24
[INFO] [stdout]   36:     0x5ac750262547 - std[73adb7dc35730857]::panicking::catch_unwind::do_call::<std[73adb7dc35730857]::rt::lang_start_internal::{closure#0}, isize>
[INFO] [stdout]                                at /rustc/6b3fa26749ab40e159b2dd5cf577acaaf5902772/library/std/src/panicking.rs:576:43
[INFO] [stdout]   37:     0x5ac750262547 - std[73adb7dc35730857]::panicking::catch_unwind::<isize, std[73adb7dc35730857]::rt::lang_start_internal::{closure#0}>
[INFO] [stdout]                                at /rustc/6b3fa26749ab40e159b2dd5cf577acaaf5902772/library/std/src/panicking.rs:544:19
[INFO] [stdout]   38:     0x5ac750262547 - std[73adb7dc35730857]::panic::catch_unwind::<std[73adb7dc35730857]::rt::lang_start_internal::{closure#0}, isize>
[INFO] [stdout]                                at /rustc/6b3fa26749ab40e159b2dd5cf577acaaf5902772/library/std/src/panic.rs:359:14
[INFO] [stdout]   39:     0x5ac750262547 - std[73adb7dc35730857]::rt::lang_start_internal
[INFO] [stdout]                                at /rustc/6b3fa26749ab40e159b2dd5cf577acaaf5902772/library/std/src/rt.rs:171:5
[INFO] [stdout]   40:     0x5ac7500faa47 - std[73adb7dc35730857]::rt::lang_start::<()>
[INFO] [stdout]                                at /rustc/6b3fa26749ab40e159b2dd5cf577acaaf5902772/library/std/src/rt.rs:205:5
[INFO] [stdout]   41:     0x5ac7500fac7e - main
[INFO] [stdout]   42:     0x71b5cc7251ca - <unknown>
[INFO] [stdout]   43:     0x71b5cc72528b - __libc_start_main
[INFO] [stdout]   44:     0x5ac7500fa8a5 - _start
[INFO] [stdout]   45:                0x0 - <unknown>
[INFO] [stdout] ```
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] stack backtrace:
[INFO] [stdout]    0:     0x5c98fa0d5011 - std[73adb7dc35730857]::backtrace_rs::backtrace::libunwind::trace
[INFO] [stdout]                                at /rustc/6b3fa26749ab40e159b2dd5cf577acaaf5902772/library/std/src/../../backtrace/src/backtrace/libunwind.rs:117:9
[INFO] [stdout]    1:     0x5c98fa0d5011 - std[73adb7dc35730857]::backtrace_rs::backtrace::trace_unsynchronized::<std[73adb7dc35730857]::sys::backtrace::_print_fmt::{closure#1}>
[INFO] [stdout]                                at /rustc/6b3fa26749ab40e159b2dd5cf577acaaf5902772/library/std/src/../../backtrace/src/backtrace/mod.rs:66:14
[INFO] [stdout]    2:     0x5c98fa0d5011 - std[73adb7dc35730857]::sys::backtrace::_print_fmt
[INFO] [stdout]                                at /rustc/6b3fa26749ab40e159b2dd5cf577acaaf5902772/library/std/src/sys/backtrace.rs:74:9
[INFO] [stdout]    3:     0x5c98fa0d5011 - <<std[73adb7dc35730857]::sys::backtrace::BacktraceLock>::print::DisplayBacktrace as core[6883ba1bc0fe4ed1]::fmt::Display>::fmt
[INFO] [stdout]                                at /rustc/6b3fa26749ab40e159b2dd5cf577acaaf5902772/library/std/src/sys/backtrace.rs:44:26
[INFO] [stdout]    4:     0x5c98fa0eb71a - <core[6883ba1bc0fe4ed1]::fmt::rt::Argument>::fmt
[INFO] [stdout]                                at /rustc/6b3fa26749ab40e159b2dd5cf577acaaf5902772/library/core/src/fmt/rt.rs:152:76
[INFO] [stdout]    5:     0x5c98fa0eb71a - core[6883ba1bc0fe4ed1]::fmt::write
[INFO] [stdout]    6:     0x5c98fa0da99c - std[73adb7dc35730857]::io::default_write_fmt::<alloc[55a36b64bcbf2c0d]::vec::Vec<u8>>
[INFO] [stdout]                                at /rustc/6b3fa26749ab40e159b2dd5cf577acaaf5902772/library/std/src/io/mod.rs:626:11
[INFO] [stdout]    7:     0x5c98fa0da99c - <alloc[55a36b64bcbf2c0d]::vec::Vec<u8> as std[73adb7dc35730857]::io::Write>::write_fmt
[INFO] [stdout]                                at /rustc/6b3fa26749ab40e159b2dd5cf577acaaf5902772/library/std/src/io/mod.rs:1730:13
[INFO] [stdout]    8:     0x5c98fa0b2986 - <std[73adb7dc35730857]::sys::backtrace::BacktraceLock>::print
[INFO] [stdout]                                at /rustc/6b3fa26749ab40e159b2dd5cf577acaaf5902772/library/std/src/sys/backtrace.rs:47:9
[INFO] [stdout]    9:     0x5c98fa0b2986 - std[73adb7dc35730857]::panicking::default_hook::{closure#0}
[INFO] [stdout]                                at /rustc/6b3fa26749ab40e159b2dd5cf577acaaf5902772/library/std/src/panicking.rs:292:27
[INFO] [stdout]   10:     0x5c98fa0ccd09 - std[73adb7dc35730857]::panicking::default_hook
[INFO] [stdout]                                at /rustc/6b3fa26749ab40e159b2dd5cf577acaaf5902772/library/std/src/panicking.rs:316:9
[INFO] [stdout]   11:     0x5c98f9e5fc40 - <alloc[55a36b64bcbf2c0d]::boxed::Box<dyn for<'a, 'b> core[6883ba1bc0fe4ed1]::ops::function::Fn<(&'a std[73adb7dc35730857]::panic::PanicHookInfo<'b>,), Output = ()> + core[6883ba1bc0fe4ed1]::marker::Send + core[6883ba1bc0fe4ed1]::marker::Sync> as core[6883ba1bc0fe4ed1]::ops::function::Fn<(&std[73adb7dc35730857]::panic::PanicHookInfo,)>>::call
[INFO] [stdout]                                at /rustc/6b3fa26749ab40e159b2dd5cf577acaaf5902772/library/alloc/src/boxed.rs:2333:9
[INFO] [stdout]   12:     0x5c98f9e5fc40 - test[980ffaebd391d06d]::test_main_inner::<test[980ffaebd391d06d]::test_main_static::{closure#0}>::{closure#0}
[INFO] [stdout]                                at /rustc/6b3fa26749ab40e159b2dd5cf577acaaf5902772/library/test/src/lib.rs:155:21
[INFO] [stdout]   13:     0x5c98fa0ccec2 - <alloc[55a36b64bcbf2c0d]::boxed::Box<dyn for<'a, 'b> core[6883ba1bc0fe4ed1]::ops::function::Fn<(&'a std[73adb7dc35730857]::panic::PanicHookInfo<'b>,), Output = ()> + core[6883ba1bc0fe4ed1]::marker::Send + core[6883ba1bc0fe4ed1]::marker::Sync> as core[6883ba1bc0fe4ed1]::ops::function::Fn<(&std[73adb7dc35730857]::panic::PanicHookInfo,)>>::call
[INFO] [stdout]                                at /rustc/6b3fa26749ab40e159b2dd5cf577acaaf5902772/library/alloc/src/boxed.rs:2333:9
[INFO] [stdout]   14:     0x5c98fa0ccec2 - std[73adb7dc35730857]::panicking::panic_with_hook
[INFO] [stdout]                                at /rustc/6b3fa26749ab40e159b2dd5cf577acaaf5902772/library/std/src/panicking.rs:823:13
[INFO] [stdout]   15:     0x5c98fa0b2a32 - std[73adb7dc35730857]::panicking::panic_handler::{closure#0}
[INFO] [stdout]                                at /rustc/6b3fa26749ab40e159b2dd5cf577acaaf5902772/library/std/src/panicking.rs:688:13
[INFO] [stdout]   16:     0x5c98fa0aa1d9 - std[73adb7dc35730857]::sys::backtrace::__rust_end_short_backtrace::<std[73adb7dc35730857]::panicking::panic_handler::{closure#0}, !>
[INFO] [stdout]                                at /rustc/6b3fa26749ab40e159b2dd5cf577acaaf5902772/library/std/src/sys/backtrace.rs:182:18
[INFO] [stdout]   17:     0x5c98fa0b362d - __rustc[a7b7b02e776dd976]::rust_begin_unwind
[INFO] [stdout]                                at /rustc/6b3fa26749ab40e159b2dd5cf577acaaf5902772/library/std/src/panicking.rs:679:5
[INFO] [stdout]   18:     0x5c98fa0ebf9c - core[6883ba1bc0fe4ed1]::panicking::panic_fmt
[INFO] [stdout]                                at /rustc/6b3fa26749ab40e159b2dd5cf577acaaf5902772/library/core/src/panicking.rs:80:14
[INFO] [stdout]   19:     0x5c98fa03b8b8 - core[6883ba1bc0fe4ed1]::panicking::panic_display::<assert_cmd[35418449b5f7a4b8]::assert::AssertError>
[INFO] [stdout]                                at /rustc/6b3fa26749ab40e159b2dd5cf577acaaf5902772/library/core/src/panicking.rs:259:5
[INFO] [stdout]   20:     0x5c98fa0426c7 - <assert_cmd[35418449b5f7a4b8]::assert::AssertError>::panic::<assert_cmd[35418449b5f7a4b8]::assert::Assert>
[INFO] [stdout]                                at /opt/rustwide/cargo-home/registry/src/index.crates.io-1949cf8c6b5b557f/assert_cmd-2.0.11/src/assert.rs:1033:9
[INFO] [stdout]   21:     0x5c98fa038947 - <<assert_cmd[35418449b5f7a4b8]::assert::AssertError>::panic<assert_cmd[35418449b5f7a4b8]::assert::Assert> as core[6883ba1bc0fe4ed1]::ops::function::FnOnce<(assert_cmd[35418449b5f7a4b8]::assert::AssertError,)>>::call_once
[INFO] [stdout]                                at /rustc/6b3fa26749ab40e159b2dd5cf577acaaf5902772/library/core/src/ops/function.rs:250:5
[INFO] [stdout]   22:     0x5c98fa041dfb - <core[6883ba1bc0fe4ed1]::result::Result<assert_cmd[35418449b5f7a4b8]::assert::Assert, assert_cmd[35418449b5f7a4b8]::assert::AssertError>>::unwrap_or_else::<<assert_cmd[35418449b5f7a4b8]::assert::AssertError>::panic<assert_cmd[35418449b5f7a4b8]::assert::Assert>>
[INFO] [stdout]                                at /rustc/6b3fa26749ab40e159b2dd5cf577acaaf5902772/library/core/src/result.rs:1620:23
[INFO] [stdout]   23:     0x5c98f9e45014 - <assert_cmd[35418449b5f7a4b8]::assert::Assert>::stdout::<predicates[32cee55fc2d5e3e6]::ord::EqPredicate<&[u8]>, predicates[32cee55fc2d5e3e6]::ord::EqPredicate<&[u8]>>
[INFO] [stdout]                                at /opt/rustwide/cargo-home/registry/src/index.crates.io-1949cf8c6b5b557f/assert_cmd-2.0.11/src/assert.rs:364:31
[INFO] [stdout]   24:     0x5c98f9e4c803 - lib[ef69c164f1f8dd99]::head::run_stdin
[INFO] [stdout]                                at /opt/rustwide/workdir/tests/head/mod.rs:124:10
[INFO] [stdout]   25:     0x5c98f9e4e1e8 - lib[ef69c164f1f8dd99]::head::one_stdin
[INFO] [stdout]                                at /opt/rustwide/workdir/tests/head/mod.rs:192:5
[INFO] [stdout]   26:     0x5c98f9e47f37 - lib[ef69c164f1f8dd99]::head::one_stdin::{closure#0}
[INFO] [stdout]                                at /opt/rustwide/workdir/tests/head/mod.rs:191:19
[INFO] [stdout]   27:     0x5c98f9e52bd6 - <lib[ef69c164f1f8dd99]::head::one_stdin::{closure#0} as core[6883ba1bc0fe4ed1]::ops::function::FnOnce<()>>::call_once
[INFO] [stdout]                                at /rustc/6b3fa26749ab40e159b2dd5cf577acaaf5902772/library/core/src/ops/function.rs:250:5
[INFO] [stdout]   28:     0x5c98f9e52f7b - <fn() -> core[6883ba1bc0fe4ed1]::result::Result<(), alloc[55a36b64bcbf2c0d]::string::String> as core[6883ba1bc0fe4ed1]::ops::function::FnOnce<()>>::call_once
[INFO] [stdout]                                at /rustc/6b3fa26749ab40e159b2dd5cf577acaaf5902772/library/core/src/ops/function.rs:250:5
[INFO] [stdout]   29:     0x5c98f9e52f7b - test[980ffaebd391d06d]::__rust_begin_short_backtrace::<core[6883ba1bc0fe4ed1]::result::Result<(), alloc[55a36b64bcbf2c0d]::string::String>, fn() -> core[6883ba1bc0fe4ed1]::result::Result<(), alloc[55a36b64bcbf2c0d]::string::String>>
[INFO] [stdout]                                at /rustc/6b3fa26749ab40e159b2dd5cf577acaaf5902772/library/test/src/lib.rs:724:18
[INFO] [stdout]   30:     0x5c98f9e605c5 - test[980ffaebd391d06d]::run_test_in_process::{closure#0}
[INFO] [stdout]                                at /rustc/6b3fa26749ab40e159b2dd5cf577acaaf5902772/library/test/src/lib.rs:747:74
[INFO] [stdout]   31:     0x5c98f9e605c5 - <core[6883ba1bc0fe4ed1]::panic::unwind_safe::AssertUnwindSafe<test[980ffaebd391d06d]::run_test_in_process::{closure#0}> as core[6883ba1bc0fe4ed1]::ops::function::FnOnce<()>>::call_once
[INFO] [stdout]                                at /rustc/6b3fa26749ab40e159b2dd5cf577acaaf5902772/library/core/src/panic/unwind_safe.rs:275:9
[INFO] [stdout]   32:     0x5c98f9e605c5 - std[73adb7dc35730857]::panicking::catch_unwind::do_call::<core[6883ba1bc0fe4ed1]::panic::unwind_safe::AssertUnwindSafe<test[980ffaebd391d06d]::run_test_in_process::{closure#0}>, core[6883ba1bc0fe4ed1]::result::Result<(), alloc[55a36b64bcbf2c0d]::string::String>>
[INFO] [stdout]                                at /rustc/6b3fa26749ab40e159b2dd5cf577acaaf5902772/library/std/src/panicking.rs:576:43
[INFO] [stdout]   33:     0x5c98f9e605c5 - std[73adb7dc35730857]::panicking::catch_unwind::<core[6883ba1bc0fe4ed1]::result::Result<(), alloc[55a36b64bcbf2c0d]::string::String>, core[6883ba1bc0fe4ed1]::panic::unwind_safe::AssertUnwindSafe<test[980ffaebd391d06d]::run_test_in_process::{closure#0}>>
[INFO] [stdout]                                at /rustc/6b3fa26749ab40e159b2dd5cf577acaaf5902772/library/std/src/panicking.rs:544:19
[INFO] [stdout]   34:     0x5c98f9e605c5 - std[73adb7dc35730857]::panic::catch_unwind::<core[6883ba1bc0fe4ed1]::panic::unwind_safe::AssertUnwindSafe<test[980ffaebd391d06d]::run_test_in_process::{closure#0}>, core[6883ba1bc0fe4ed1]::result::Result<(), alloc[55a36b64bcbf2c0d]::string::String>>
[INFO] [stdout]                                at /rustc/6b3fa26749ab40e159b2dd5cf577acaaf5902772/library/std/src/panic.rs:359:14
[INFO] [stdout]   35:     0x5c98f9e605c5 - test[980ffaebd391d06d]::run_test_in_process
[INFO] [stdout]                                at /rustc/6b3fa26749ab40e159b2dd5cf577acaaf5902772/library/test/src/lib.rs:747:27
[INFO] [stdout]   36:     0x5c98f9e605c5 - test[980ffaebd391d06d]::run_test::{closure#0}
[INFO] [stdout]                                at /rustc/6b3fa26749ab40e159b2dd5cf577acaaf5902772/library/test/src/lib.rs:668:43
[INFO] [stdout]   37:     0x5c98f9e5b074 - test[980ffaebd391d06d]::run_test::{closure#1}
[INFO] [stdout]                                at /rustc/6b3fa26749ab40e159b2dd5cf577acaaf5902772/library/test/src/lib.rs:698:41
[INFO] [stdout]   38:     0x5c98f9e5b074 - std[73adb7dc35730857]::sys::backtrace::__rust_begin_short_backtrace::<test[980ffaebd391d06d]::run_test::{closure#1}, ()>
[INFO] [stdout]                                at /rustc/6b3fa26749ab40e159b2dd5cf577acaaf5902772/library/std/src/sys/backtrace.rs:166:18
[INFO] [stdout]   39:     0x5c98f9e63712 - std[73adb7dc35730857]::thread::lifecycle::spawn_unchecked::<test[980ffaebd391d06d]::run_test::{closure#1}, ()>::{closure#1}::{closure#0}
[INFO] [stdout]                                at /rustc/6b3fa26749ab40e159b2dd5cf577acaaf5902772/library/std/src/thread/lifecycle.rs:70:13
[INFO] [stdout]   40:     0x5c98f9e63712 - <core[6883ba1bc0fe4ed1]::panic::unwind_safe::AssertUnwindSafe<std[73adb7dc35730857]::thread::lifecycle::spawn_unchecked<test[980ffaebd391d06d]::run_test::{closure#1}, ()>::{closure#1}::{closure#0}> as core[6883ba1bc0fe4ed1]::ops::function::FnOnce<()>>::call_once
[INFO] [stdout]                                at /rustc/6b3fa26749ab40e159b2dd5cf577acaaf5902772/library/core/src/panic/unwind_safe.rs:275:9
[INFO] [stdout]   41:     0x5c98f9e63712 - std[73adb7dc35730857]::panicking::catch_unwind::do_call::<core[6883ba1bc0fe4ed1]::panic::unwind_safe::AssertUnwindSafe<std[73adb7dc35730857]::thread::lifecycle::spawn_unchecked<test[980ffaebd391d06d]::run_test::{closure#1}, ()>::{closure#1}::{closure#0}>, ()>
[INFO] [stdout]                                at /rustc/6b3fa26749ab40e159b2dd5cf577acaaf5902772/library/std/src/panicking.rs:576:43
[INFO] [stdout]   42:     0x5c98f9e63712 - std[73adb7dc35730857]::panicking::catch_unwind::<(), core[6883ba1bc0fe4ed1]::panic::unwind_safe::AssertUnwindSafe<std[73adb7dc35730857]::thread::lifecycle::spawn_unchecked<test[980ffaebd391d06d]::run_test::{closure#1}, ()>::{closure#1}::{closure#0}>>
[INFO] [stdout]                                at /rustc/6b3fa26749ab40e159b2dd5cf577acaaf5902772/library/std/src/panicking.rs:544:19
[INFO] [stdout]   43:     0x5c98f9e63712 - std[73adb7dc35730857]::panic::catch_unwind::<core[6883ba1bc0fe4ed1]::panic::unwind_safe::AssertUnwindSafe<std[73adb7dc35730857]::thread::lifecycle::spawn_unchecked<test[980ffaebd391d06d]::run_test::{closure#1}, ()>::{closure#1}::{closure#0}>, ()>
[INFO] [stdout]                                at /rustc/6b3fa26749ab40e159b2dd5cf577acaaf5902772/library/std/src/panic.rs:359:14
[INFO] [stdout]   44:     0x5c98f9e63712 - std[73adb7dc35730857]::thread::lifecycle::spawn_unchecked::<test[980ffaebd391d06d]::run_test::{closure#1}, ()>::{closure#1}
[INFO] [stdout]                                at /rustc/6b3fa26749ab40e159b2dd5cf577acaaf5902772/library/std/src/thread/lifecycle.rs:68:26
[INFO] [stdout]   45:     0x5c98f9e63712 - <std[73adb7dc35730857]::thread::lifecycle::spawn_unchecked<test[980ffaebd391d06d]::run_test::{closure#1}, ()>::{closure#1} as core[6883ba1bc0fe4ed1]::ops::function::FnOnce<()>>::call_once::{shim:vtable#0}
[INFO] [stdout]                                at /rustc/6b3fa26749ab40e159b2dd5cf577acaaf5902772/library/core/src/ops/function.rs:250:5
[INFO] [stdout]   46:     0x5c98fa0d44af - <alloc[55a36b64bcbf2c0d]::boxed::Box<dyn core[6883ba1bc0fe4ed1]::ops::function::FnOnce<(), Output = ()> + core[6883ba1bc0fe4ed1]::marker::Send> as core[6883ba1bc0fe4ed1]::ops::function::FnOnce<()>>::call_once
[INFO] [stdout]                                at /rustc/6b3fa26749ab40e159b2dd5cf577acaaf5902772/library/alloc/src/boxed.rs:2319:9
[INFO] [stdout]   47:     0x5c98fa0d44af - <std[73adb7dc35730857]::sys::thread::unix::Thread>::new::thread_start
[INFO] [stdout]                                at /rustc/6b3fa26749ab40e159b2dd5cf577acaaf5902772/library/std/src/sys/thread/unix.rs:123:17
[INFO] [stdout]   48:     0x718092357aa4 - <unknown>
[INFO] [stdout]   49:     0x7180923e4a64 - clone
[INFO] [stdout]   50:                0x0 - <unknown>
[INFO] [stdout] 
[INFO] [stdout] ---- head::ten_c2_stdin stdout ----
[INFO] [stdout] 
[INFO] [stdout] thread 'head::ten_c2_stdin' (3243) panicked at /rustc/6b3fa26749ab40e159b2dd5cf577acaaf5902772/library/core/src/ops/function.rs:250:5:
[INFO] [stdout] Unexpected stdout, failed var == [
[INFO] [stdout]     111,
[INFO] [stdout]     110,
[INFO] [stdout] ]
[INFO] [stdout] └── var: []
[INFO] [stdout] 
[INFO] [stdout] command=`"/opt/rustwide/target/debug/head" "-c" "2"`
[INFO] [stdout] stdin=````
[INFO] [stdout] one
[INFO] [stdout] two
[INFO] [stdout] three
[INFO] [stdout] four
[INFO] [stdout] five
[INFO] [stdout] six
[INFO] [stdout] seven
[INFO] [stdout] eight
[INFO] [stdout] nine
[INFO] [stdout] ten
[INFO] [stdout] ```
[INFO] [stdout] `
[INFO] [stdout] code=101
[INFO] [stdout] stdout=""
[INFO] [stdout] stderr=<90 lines total>
[INFO] [stdout] ```
[INFO] [stdout] 
[INFO] [stdout] thread \'main\' (3254) panicked at /opt/rustwide/cargo-home/registry/src/index.crates.io-1949cf8c6b5b557f/clap-3.2.25/src/parser/matches/arg_matches.rs:547:22:
[INFO] [stdout] Must use `Arg::allow_invalid_utf8` with `_os` lookups at `files`
[INFO] [stdout] stack backtrace:
[INFO] [stdout]    0:     0x568ac3396601 - std[73adb7dc35730857]::backtrace_rs::backtrace::libunwind::trace
[INFO] [stdout]                                at /rustc/6b3fa26749ab40e159b2dd5cf577acaaf5902772/library/std/src/../../backtrace/src/backtrace/libunwind.rs:117:9
[INFO] [stdout]    1:     0x568ac3396601 - std[73adb7dc35730857]::backtrace_rs::backtrace::trace_unsynchronized::<std[73adb7dc35730857]::sys::backtrace::_print_fmt::{closure#1}>
[INFO] [stdout]                                at /rustc/6b3fa26749ab40e159b2dd5cf577acaaf5902772/library/std/src/../../backtrace/src/backtrace/mod.rs:66:14
[INFO] [stdout]    2:     0x568ac3396601 - std[73adb7dc35730857]::sys::backtrace::_print_fmt
[INFO] [stdout]                                at /rustc/6b3fa26749ab40e159b2dd5cf577acaaf5902772/library/std/src/sys/backtrace.rs:74:9
[INFO] [stdout]    3:     0x568ac3396601 - <<std[73adb7dc35730857]::sys::backtrace::BacktraceLock>::print::DisplayBacktrace as core[6883ba1bc0fe4ed1]::fmt::Display>::fmt
[INFO] [stdout]                                at /rustc/6b3fa26749ab40e159b2dd5cf577acaaf5902772/library/std/src/sys/backtrace.rs:44:26
[INFO] [stdout]    4:     0x568ac33aa28a - <core[6883ba1bc0fe4ed1]::fmt::rt::Argument>::fmt
[INFO] [stdout]                                at /rustc/6b3fa26749ab40e159b2dd5cf577acaaf5902772/library/core/src/fmt/rt.rs:152:76
[INFO] [stdout]    5:     0x568ac33aa28a - core[6883ba1bc0fe4ed1]::fmt::write
[INFO] [stdout]    6:     0x568ac339bcec - std[73adb7dc35730857]::io::default_write_fmt::<std[73adb7dc35730857]::sys::stdio::unix::Stderr>
[INFO] [stdout]                                at /rustc/6b3fa26749ab40e159b2dd5cf577acaaf5902772/library/std/src/io/mod.rs:626:11
[INFO] [stdout]    7:     0x568ac339bcec - <std[73adb7dc35730857]::sys::stdio::unix::Stderr as std[73adb7dc35730857]::io::Write>::write_fmt
[INFO] [stdout]                                at /rustc/6b3fa26749ab40e159b2dd5cf577acaaf5902772/library/std/src/io/mod.rs:1730:13
[INFO] [stdout]    8:     0x568ac3380e16 - <std[73adb7dc35730857]::sys::backtrace::BacktraceLock>::print
[INFO] [stdout] ```
[INFO] [stdout] <30 lines omitted>
[INFO] [stdout] ```
[INFO] [stdout]                                at /rustc/6b3fa26749ab40e159b2dd5cf577acaaf5902772/library/alloc/src/vec/mod.rs:3941:9
[INFO] [stdout]   24:     0x568ac323008e - <core[6883ba1bc0fe4ed1]::iter::adapters::map::Map<core[6883ba1bc0fe4ed1]::iter::adapters::flatten::Flatten<core[6883ba1bc0fe4ed1]::slice::iter::Iter<alloc[55a36b64bcbf2c0d]::vec::Vec<clap[965b0170b9d3cf34]::parser::matches::any_value::AnyValue>>>, <clap[965b0170b9d3cf34]::parser::matches::arg_matches::ArgMatches>::values_of_lossy<&str>::{closure#0}> as core[6883ba1bc0fe4ed1]::iter::traits::iterator::Iterator>::collect::<alloc[55a36b64bcbf2c0d]::vec::Vec<alloc[55a36b64bcbf2c0d]::string::String>>
[INFO] [stdout]                                at /rustc/6b3fa26749ab40e159b2dd5cf577acaaf5902772/library/core/src/iter/traits/iterator.rs:2090:9
[INFO] [stdout]   25:     0x568ac322a166 - <clap[965b0170b9d3cf34]::parser::matches::arg_matches::ArgMatches>::values_of_lossy::<&str>
[INFO] [stdout]                                at /opt/rustwide/cargo-home/registry/src/index.crates.io-1949cf8c6b5b557f/clap-3.2.25/src/parser/matches/arg_matches.rs:548:14
[INFO] [stdout]   26:     0x568ac323418b - command_line_rust[2a7d65b3375657d0]::head::get_args
[INFO] [stdout]                                at /opt/rustwide/workdir/src/head/mod.rs:92:24
[INFO] [stdout]   27:     0x568ac3229ad2 - head[5f62c2f9cff836a0]::main
[INFO] [stdout]                                at /opt/rustwide/workdir/src/head/main.rs:4:21
[INFO] [stdout]   28:     0x568ac3229beb - <fn() as core[6883ba1bc0fe4ed1]::ops::function::FnOnce<()>>::call_once
[INFO] [stdout]                                at /rustc/6b3fa26749ab40e159b2dd5cf577acaaf5902772/library/core/src/ops/function.rs:250:5
[INFO] [stdout]   29:     0x568ac3229a5e - std[73adb7dc35730857]::sys::backtrace::__rust_begin_short_backtrace::<fn(), ()>
[INFO] [stdout]                                at /rustc/6b3fa26749ab40e159b2dd5cf577acaaf5902772/library/std/src/sys/backtrace.rs:166:18
[INFO] [stdout]   30:     0x568ac3229a81 - std[73adb7dc35730857]::rt::lang_start::<()>::{closure#0}
[INFO] [stdout]                                at /rustc/6b3fa26749ab40e159b2dd5cf577acaaf5902772/library/std/src/rt.rs:206:18
[INFO] [stdout]   31:     0x568ac3391547 - <&dyn core[6883ba1bc0fe4ed1]::ops::function::Fn<(), Output = i32> + core[6883ba1bc0fe4ed1]::panic::unwind_safe::RefUnwindSafe + core[6883ba1bc0fe4ed1]::marker::Sync as core[6883ba1bc0fe4ed1]::ops::function::FnOnce<()>>::call_once
[INFO] [stdout]                                at /rustc/6b3fa26749ab40e159b2dd5cf577acaaf5902772/library/core/src/ops/function.rs:287:21
[INFO] [stdout]   32:     0x568ac3391547 - std[73adb7dc35730857]::panicking::catch_unwind::do_call::<&dyn core[6883ba1bc0fe4ed1]::ops::function::Fn<(), Output = i32> + core[6883ba1bc0fe4ed1]::panic::unwind_safe::RefUnwindSafe + core[6883ba1bc0fe4ed1]::marker::Sync, i32>
[INFO] [stdout]                                at /rustc/6b3fa26749ab40e159b2dd5cf577acaaf5902772/library/std/src/panicking.rs:576:43
[INFO] [stdout]   33:     0x568ac3391547 - std[73adb7dc35730857]::panicking::catch_unwind::<i32, &dyn core[6883ba1bc0fe4ed1]::ops::function::Fn<(), Output = i32> + core[6883ba1bc0fe4ed1]::panic::unwind_safe::RefUnwindSafe + core[6883ba1bc0fe4ed1]::marker::Sync>
[INFO] [stdout]                                at /rustc/6b3fa26749ab40e159b2dd5cf577acaaf5902772/library/std/src/panicking.rs:544:19
[INFO] [stdout]   34:     0x568ac3391547 - std[73adb7dc35730857]::panic::catch_unwind::<&dyn core[6883ba1bc0fe4ed1]::ops::function::Fn<(), Output = i32> + core[6883ba1bc0fe4ed1]::panic::unwind_safe::RefUnwindSafe + core[6883ba1bc0fe4ed1]::marker::Sync, i32>
[INFO] [stdout]                                at /rustc/6b3fa26749ab40e159b2dd5cf577acaaf5902772/library/std/src/panic.rs:359:14
[INFO] [stdout]   35:     0x568ac3391547 - std[73adb7dc35730857]::rt::lang_start_internal::{closure#0}
[INFO] [stdout]                                at /rustc/6b3fa26749ab40e159b2dd5cf577acaaf5902772/library/std/src/rt.rs:175:24
[INFO] [stdout]   36:     0x568ac3391547 - std[73adb7dc35730857]::panicking::catch_unwind::do_call::<std[73adb7dc35730857]::rt::lang_start_internal::{closure#0}, isize>
[INFO] [stdout]                                at /rustc/6b3fa26749ab40e159b2dd5cf577acaaf5902772/library/std/src/panicking.rs:576:43
[INFO] [stdout]   37:     0x568ac3391547 - std[73adb7dc35730857]::panicking::catch_unwind::<isize, std[73adb7dc35730857]::rt::lang_start_internal::{closure#0}>
[INFO] [stdout]                                at /rustc/6b3fa26749ab40e159b2dd5cf577acaaf5902772/library/std/src/panicking.rs:544:19
[INFO] [stdout]   38:     0x568ac3391547 - std[73adb7dc35730857]::panic::catch_unwind::<std[73adb7dc35730857]::rt::lang_start_internal::{closure#0}, isize>
[INFO] [stdout]                                at /rustc/6b3fa26749ab40e159b2dd5cf577acaaf5902772/library/std/src/panic.rs:359:14
[INFO] [stdout]   39:     0x568ac3391547 - std[73adb7dc35730857]::rt::lang_start_internal
[INFO] [stdout]                                at /rustc/6b3fa26749ab40e159b2dd5cf577acaaf5902772/library/std/src/rt.rs:171:5
[INFO] [stdout]   40:     0x568ac3229a47 - std[73adb7dc35730857]::rt::lang_start::<()>
[INFO] [stdout]                                at /rustc/6b3fa26749ab40e159b2dd5cf577acaaf5902772/library/std/src/rt.rs:205:5
[INFO] [stdout]   41:     0x568ac3229c7e - main
[INFO] [stdout]   42:     0x7848d6f021ca - <unknown>
[INFO] [stdout]   43:     0x7848d6f0228b - __libc_start_main
[INFO] [stdout]   44:     0x568ac32298a5 - _start
[INFO] [stdout]   45:                0x0 - <unknown>
[INFO] [stdout] ```
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] stack backtrace:
[INFO] [stdout]    0:     0x5c98fa0d5011 - std[73adb7dc35730857]::backtrace_rs::backtrace::libunwind::trace
[INFO] [stdout]                                at /rustc/6b3fa26749ab40e159b2dd5cf577acaaf5902772/library/std/src/../../backtrace/src/backtrace/libunwind.rs:117:9
[INFO] [stdout]    1:     0x5c98fa0d5011 - std[73adb7dc35730857]::backtrace_rs::backtrace::trace_unsynchronized::<std[73adb7dc35730857]::sys::backtrace::_print_fmt::{closure#1}>
[INFO] [stdout]                                at /rustc/6b3fa26749ab40e159b2dd5cf577acaaf5902772/library/std/src/../../backtrace/src/backtrace/mod.rs:66:14
[INFO] [stdout]    2:     0x5c98fa0d5011 - std[73adb7dc35730857]::sys::backtrace::_print_fmt
[INFO] [stdout]                                at /rustc/6b3fa26749ab40e159b2dd5cf577acaaf5902772/library/std/src/sys/backtrace.rs:74:9
[INFO] [stdout]    3:     0x5c98fa0d5011 - <<std[73adb7dc35730857]::sys::backtrace::BacktraceLock>::print::DisplayBacktrace as core[6883ba1bc0fe4ed1]::fmt::Display>::fmt
[INFO] [stdout]                                at /rustc/6b3fa26749ab40e159b2dd5cf577acaaf5902772/library/std/src/sys/backtrace.rs:44:26
[INFO] [stdout]    4:     0x5c98fa0eb71a - <core[6883ba1bc0fe4ed1]::fmt::rt::Argument>::fmt
[INFO] [stdout]                                at /rustc/6b3fa26749ab40e159b2dd5cf577acaaf5902772/library/core/src/fmt/rt.rs:152:76
[INFO] [stdout]    5:     0x5c98fa0eb71a - core[6883ba1bc0fe4ed1]::fmt::write
[INFO] [stdout]    6:     0x5c98fa0da99c - std[73adb7dc35730857]::io::default_write_fmt::<alloc[55a36b64bcbf2c0d]::vec::Vec<u8>>
[INFO] [stdout]                                at /rustc/6b3fa26749ab40e159b2dd5cf577acaaf5902772/library/std/src/io/mod.rs:626:11
[INFO] [stdout]    7:     0x5c98fa0da99c - <alloc[55a36b64bcbf2c0d]::vec::Vec<u8> as std[73adb7dc35730857]::io::Write>::write_fmt
[INFO] [stdout]                                at /rustc/6b3fa26749ab40e159b2dd5cf577acaaf5902772/library/std/src/io/mod.rs:1730:13
[INFO] [stdout]    8:     0x5c98fa0b2986 - <std[73adb7dc35730857]::sys::backtrace::BacktraceLock>::print
[INFO] [stdout]                                at /rustc/6b3fa26749ab40e159b2dd5cf577acaaf5902772/library/std/src/sys/backtrace.rs:47:9
[INFO] [stdout]    9:     0x5c98fa0b2986 - std[73adb7dc35730857]::panicking::default_hook::{closure#0}
[INFO] [stdout]                                at /rustc/6b3fa26749ab40e159b2dd5cf577acaaf5902772/library/std/src/panicking.rs:292:27
[INFO] [stdout]   10:     0x5c98fa0ccd09 - std[73adb7dc35730857]::panicking::default_hook
[INFO] [stdout]                                at /rustc/6b3fa26749ab40e159b2dd5cf577acaaf5902772/library/std/src/panicking.rs:316:9
[INFO] [stdout]   11:     0x5c98f9e5fc40 - <alloc[55a36b64bcbf2c0d]::boxed::Box<dyn for<'a, 'b> core[6883ba1bc0fe4ed1]::ops::function::Fn<(&'a std[73adb7dc35730857]::panic::PanicHookInfo<'b>,), Output = ()> + core[6883ba1bc0fe4ed1]::marker::Send + core[6883ba1bc0fe4ed1]::marker::Sync> as core[6883ba1bc0fe4ed1]::ops::function::Fn<(&std[73adb7dc35730857]::panic::PanicHookInfo,)>>::call
[INFO] [stdout]                                at /rustc/6b3fa26749ab40e159b2dd5cf577acaaf5902772/library/alloc/src/boxed.rs:2333:9
[INFO] [stdout]   12:     0x5c98f9e5fc40 - test[980ffaebd391d06d]::test_main_inner::<test[980ffaebd391d06d]::test_main_static::{closure#0}>::{closure#0}
[INFO] [stdout]                                at /rustc/6b3fa26749ab40e159b2dd5cf577acaaf5902772/library/test/src/lib.rs:155:21
[INFO] [stdout]   13:     0x5c98fa0ccec2 - <alloc[55a36b64bcbf2c0d]::boxed::Box<dyn for<'a, 'b> core[6883ba1bc0fe4ed1]::ops::function::Fn<(&'a std[73adb7dc35730857]::panic::PanicHookInfo<'b>,), Output = ()> + core[6883ba1bc0fe4ed1]::marker::Send + core[6883ba1bc0fe4ed1]::marker::Sync> as core[6883ba1bc0fe4ed1]::ops::function::Fn<(&std[73adb7dc35730857]::panic::PanicHookInfo,)>>::call
[INFO] [stdout]                                at /rustc/6b3fa26749ab40e159b2dd5cf577acaaf5902772/library/alloc/src/boxed.rs:2333:9
[INFO] [stdout]   14:     0x5c98fa0ccec2 - std[73adb7dc35730857]::panicking::panic_with_hook
[INFO] [stdout]                                at /rustc/6b3fa26749ab40e159b2dd5cf577acaaf5902772/library/std/src/panicking.rs:823:13
[INFO] [stdout]   15:     0x5c98fa0b2a32 - std[73adb7dc35730857]::panicking::panic_handler::{closure#0}
[INFO] [stdout]                                at /rustc/6b3fa26749ab40e159b2dd5cf577acaaf5902772/library/std/src/panicking.rs:688:13
[INFO] [stdout]   16:     0x5c98fa0aa1d9 - std[73adb7dc35730857]::sys::backtrace::__rust_end_short_backtrace::<std[73adb7dc35730857]::panicking::panic_handler::{closure#0}, !>
[INFO] [stdout]                                at /rustc/6b3fa26749ab40e159b2dd5cf577acaaf5902772/library/std/src/sys/backtrace.rs:182:18
[INFO] [stdout]   17:     0x5c98fa0b362d - __rustc[a7b7b02e776dd976]::rust_begin_unwind
[INFO] [stdout]                                at /rustc/6b3fa26749ab40e159b2dd5cf577acaaf5902772/library/std/src/panicking.rs:679:5
[INFO] [stdout]   18:     0x5c98fa0ebf9c - core[6883ba1bc0fe4ed1]::panicking::panic_fmt
[INFO] [stdout]                                at /rustc/6b3fa26749ab40e159b2dd5cf577acaaf5902772/library/core/src/panicking.rs:80:14
[INFO] [stdout]   19:     0x5c98fa03b8b8 - core[6883ba1bc0fe4ed1]::panicking::panic_display::<assert_cmd[35418449b5f7a4b8]::assert::AssertError>
[INFO] [stdout]                                at /rustc/6b3fa26749ab40e159b2dd5cf577acaaf5902772/library/core/src/panicking.rs:259:5
[INFO] [stdout]   20:     0x5c98fa0426c7 - <assert_cmd[35418449b5f7a4b8]::assert::AssertError>::panic::<assert_cmd[35418449b5f7a4b8]::assert::Assert>
[INFO] [stdout]                                at /opt/rustwide/cargo-home/registry/src/index.crates.io-1949cf8c6b5b557f/assert_cmd-2.0.11/src/assert.rs:1033:9
[INFO] [stdout]   21:     0x5c98fa038947 - <<assert_cmd[35418449b5f7a4b8]::assert::AssertError>::panic<assert_cmd[35418449b5f7a4b8]::assert::Assert> as core[6883ba1bc0fe4ed1]::ops::function::FnOnce<(assert_cmd[35418449b5f7a4b8]::assert::AssertError,)>>::call_once
[INFO] [stdout]                                at /rustc/6b3fa26749ab40e159b2dd5cf577acaaf5902772/library/core/src/ops/function.rs:250:5
[INFO] [stdout]   22:     0x5c98fa041dfb - <core[6883ba1bc0fe4ed1]::result::Result<assert_cmd[35418449b5f7a4b8]::assert::Assert, assert_cmd[35418449b5f7a4b8]::assert::AssertError>>::unwrap_or_else::<<assert_cmd[35418449b5f7a4b8]::assert::AssertError>::panic<assert_cmd[35418449b5f7a4b8]::assert::Assert>>
[INFO] [stdout]                                at /rustc/6b3fa26749ab40e159b2dd5cf577acaaf5902772/library/core/src/result.rs:1620:23
[INFO] [stdout]   23:     0x5c98f9e45014 - <assert_cmd[35418449b5f7a4b8]::assert::Assert>::stdout::<predicates[32cee55fc2d5e3e6]::ord::EqPredicate<&[u8]>, predicates[32cee55fc2d5e3e6]::ord::EqPredicate<&[u8]>>
[INFO] [stdout]                                at /opt/rustwide/cargo-home/registry/src/index.crates.io-1949cf8c6b5b557f/assert_cmd-2.0.11/src/assert.rs:364:31
[INFO] [stdout]   24:     0x5c98f9e4c803 - lib[ef69c164f1f8dd99]::head::run_stdin
[INFO] [stdout]                                at /opt/rustwide/workdir/tests/head/mod.rs:124:10
[INFO] [stdout]   25:     0x5c98f9e4cacb - lib[ef69c164f1f8dd99]::head::ten_c2_stdin
[INFO] [stdout]                                at /opt/rustwide/workdir/tests/head/mod.rs:365:5
[INFO] [stdout]   26:     0x5c98f9e47637 - lib[ef69c164f1f8dd99]::head::ten_c2_stdin::{closure#0}
[INFO] [stdout]                                at /opt/rustwide/workdir/tests/head/mod.rs:364:22
[INFO] [stdout]   27:     0x5c98f9e51fd6 - <lib[ef69c164f1f8dd99]::head::ten_c2_stdin::{closure#0} as core[6883ba1bc0fe4ed1]::ops::function::FnOnce<()>>::call_once
[INFO] [stdout]                                at /rustc/6b3fa26749ab40e159b2dd5cf577acaaf5902772/library/core/src/ops/function.rs:250:5
[INFO] [stdout]   28:     0x5c98f9e52f7b - <fn() -> core[6883ba1bc0fe4ed1]::result::Result<(), alloc[55a36b64bcbf2c0d]::string::String> as core[6883ba1bc0fe4ed1]::ops::function::FnOnce<()>>::call_once
[INFO] [stdout]                                at /rustc/6b3fa26749ab40e159b2dd5cf577acaaf5902772/library/core/src/ops/function.rs:250:5
[INFO] [stdout]   29:     0x5c98f9e52f7b - test[980ffaebd391d06d]::__rust_begin_short_backtrace::<core[6883ba1bc0fe4ed1]::result::Result<(), alloc[55a36b64bcbf2c0d]::string::String>, fn() -> core[6883ba1bc0fe4ed1]::result::Result<(), alloc[55a36b64bcbf2c0d]::string::String>>
[INFO] [stdout]                                at /rustc/6b3fa26749ab40e159b2dd5cf577acaaf5902772/library/test/src/lib.rs:724:18
[INFO] [stdout]   30:     0x5c98f9e605c5 - test[980ffaebd391d06d]::run_test_in_process::{closure#0}
[INFO] [stdout]                                at /rustc/6b3fa26749ab40e159b2dd5cf577acaaf5902772/library/test/src/lib.rs:747:74
[INFO] [stdout]   31:     0x5c98f9e605c5 - <core[6883ba1bc0fe4ed1]::panic::unwind_safe::AssertUnwindSafe<test[980ffaebd391d06d]::run_test_in_process::{closure#0}> as core[6883ba1bc0fe4ed1]::ops::function::FnOnce<()>>::call_once
[INFO] [stdout]                                at /rustc/6b3fa26749ab40e159b2dd5cf577acaaf5902772/library/core/src/panic/unwind_safe.rs:275:9
[INFO] [stdout]   32:     0x5c98f9e605c5 - std[73adb7dc35730857]::panicking::catch_unwind::do_call::<core[6883ba1bc0fe4ed1]::panic::unwind_safe::AssertUnwindSafe<test[980ffaebd391d06d]::run_test_in_process::{closure#0}>, core[6883ba1bc0fe4ed1]::result::Result<(), alloc[55a36b64bcbf2c0d]::string::String>>
[INFO] [stdout]                                at /rustc/6b3fa26749ab40e159b2dd5cf577acaaf5902772/library/std/src/panicking.rs:576:43
[INFO] [stdout]   33:     0x5c98f9e605c5 - std[73adb7dc35730857]::panicking::catch_unwind::<core[6883ba1bc0fe4ed1]::result::Result<(), alloc[55a36b64bcbf2c0d]::string::String>, core[6883ba1bc0fe4ed1]::panic::unwind_safe::AssertUnwindSafe<test[980ffaebd391d06d]::run_test_in_process::{closure#0}>>
[INFO] [stdout]                                at /rustc/6b3fa26749ab40e159b2dd5cf577acaaf5902772/library/std/src/panicking.rs:544:19
[INFO] [stdout]   34:     0x5c98f9e605c5 - std[73adb7dc35730857]::panic::catch_unwind::<core[6883ba1bc0fe4ed1]::panic::unwind_safe::AssertUnwindSafe<test[980ffaebd391d06d]::run_test_in_process::{closure#0}>, core[6883ba1bc0fe4ed1]::result::Result<(), alloc[55a36b64bcbf2c0d]::string::String>>
[INFO] [stdout]                                at /rustc/6b3fa26749ab40e159b2dd5cf577acaaf5902772/library/std/src/panic.rs:359:14
[INFO] [stdout]   35:     0x5c98f9e605c5 - test[980ffaebd391d06d]::run_test_in_process
[INFO] [stdout]                                at /rustc/6b3fa26749ab40e159b2dd5cf577acaaf5902772/library/test/src/lib.rs:747:27
[INFO] [stdout]   36:     0x5c98f9e605c5 - test[980ffaebd391d06d]::run_test::{closure#0}
[INFO] [stdout]                                at /rustc/6b3fa26749ab40e159b2dd5cf577acaaf5902772/library/test/src/lib.rs:668:43
[INFO] [stdout]   37:     0x5c98f9e5b074 - test[980ffaebd391d06d]::run_test::{closure#1}
[INFO] [stdout]                                at /rustc/6b3fa26749ab40e159b2dd5cf577acaaf5902772/library/test/src/lib.rs:698:41
[INFO] [stdout]   38:     0x5c98f9e5b074 - std[73adb7dc35730857]::sys::backtrace::__rust_begin_short_backtrace::<test[980ffaebd391d06d]::run_test::{closure#1}, ()>
[INFO] [stdout]                                at /rustc/6b3fa26749ab40e159b2dd5cf577acaaf5902772/library/std/src/sys/backtrace.rs:166:18
[INFO] [stdout]   39:     0x5c98f9e63712 - std[73adb7dc35730857]::thread::lifecycle::spawn_unchecked::<test[980ffaebd391d06d]::run_test::{closure#1}, ()>::{closure#1}::{closure#0}
[INFO] [stdout]                                at /rustc/6b3fa26749ab40e159b2dd5cf577acaaf5902772/library/std/src/thread/lifecycle.rs:70:13
[INFO] [stdout]   40:     0x5c98f9e63712 - <core[6883ba1bc0fe4ed1]::panic::unwind_safe::AssertUnwindSafe<std[73adb7dc35730857]::thread::lifecycle::spawn_unchecked<test[980ffaebd391d06d]::run_test::{closure#1}, ()>::{closure#1}::{closure#0}> as core[6883ba1bc0fe4ed1]::ops::function::FnOnce<()>>::call_once
[INFO] [stdout]                                at /rustc/6b3fa26749ab40e159b2dd5cf577acaaf5902772/library/core/src/panic/unwind_safe.rs:275:9
[INFO] [stdout]   41:     0x5c98f9e63712 - std[73adb7dc35730857]::panicking::catch_unwind::do_call::<core[6883ba1bc0fe4ed1]::panic::unwind_safe::AssertUnwindSafe<std[73adb7dc35730857]::thread::lifecycle::spawn_unchecked<test[980ffaebd391d06d]::run_test::{closure#1}, ()>::{closure#1}::{closure#0}>, ()>
[INFO] [stdout]                                at /rustc/6b3fa26749ab40e159b2dd5cf577acaaf5902772/library/std/src/panicking.rs:576:43
[INFO] [stdout]   42:     0x5c98f9e63712 - std[73adb7dc35730857]::panicking::catch_unwind::<(), core[6883ba1bc0fe4ed1]::panic::unwind_safe::AssertUnwindSafe<std[73adb7dc35730857]::thread::lifecycle::spawn_unchecked<test[980ffaebd391d06d]::run_test::{closure#1}, ()>::{closure#1}::{closure#0}>>
[INFO] [stdout]                                at /rustc/6b3fa26749ab40e159b2dd5cf577acaaf5902772/library/std/src/panicking.rs:544:19
[INFO] [stdout]   43:     0x5c98f9e63712 - std[73adb7dc35730857]::panic::catch_unwind::<core[6883ba1bc0fe4ed1]::panic::unwind_safe::AssertUnwindSafe<std[73adb7dc35730857]::thread::lifecycle::spawn_unchecked<test[980ffaebd391d06d]::run_test::{closure#1}, ()>::{closure#1}::{closure#0}>, ()>
[INFO] [stdout]                                at /rustc/6b3fa26749ab40e159b2dd5cf577acaaf5902772/library/std/src/panic.rs:359:14
[INFO] [stdout]   44:     0x5c98f9e63712 - std[73adb7dc35730857]::thread::lifecycle::spawn_unchecked::<test[980ffaebd391d06d]::run_test::{closure#1}, ()>::{closure#1}
[INFO] [stdout]                                at /rustc/6b3fa26749ab40e159b2dd5cf577acaaf5902772/library/std/src/thread/lifecycle.rs:68:26
[INFO] [stdout]   45:     0x5c98f9e63712 - <std[73adb7dc35730857]::thread::lifecycle::spawn_unchecked<test[980ffaebd391d06d]::run_test::{closure#1}, ()>::{closure#1} as core[6883ba1bc0fe4ed1]::ops::function::FnOnce<()>>::call_once::{shim:vtable#0}
[INFO] [stdout]                                at /rustc/6b3fa26749ab40e159b2dd5cf577acaaf5902772/library/core/src/ops/function.rs:250:5
[INFO] [stdout]   46:     0x5c98fa0d44af - <alloc[55a36b64bcbf2c0d]::boxed::Box<dyn core[6883ba1bc0fe4ed1]::ops::function::FnOnce<(), Output = ()> + core[6883ba1bc0fe4ed1]::marker::Send> as core[6883ba1bc0fe4ed1]::ops::function::FnOnce<()>>::call_once
[INFO] [stdout]                                at /rustc/6b3fa26749ab40e159b2dd5cf577acaaf5902772/library/alloc/src/boxed.rs:2319:9
[INFO] [stdout]   47:     0x5c98fa0d44af - <std[73adb7dc35730857]::sys::thread::unix::Thread>::new::thread_start
[INFO] [stdout]                                at /rustc/6b3fa26749ab40e159b2dd5cf577acaaf5902772/library/std/src/sys/thread/unix.rs:123:17
[INFO] [stdout]   48:     0x718092357aa4 - <unknown>
[INFO] [stdout]   49:     0x7180923e4a64 - clone
[INFO] [stdout]   50:                0x0 - <unknown>
[INFO] [stdout] 
[INFO] [stdout] ---- head::one_n2_stdin stdout ----
[INFO] [stdout] 
[INFO] [stdout] thread 'head::one_n2_stdin' (3211) panicked at /rustc/6b3fa26749ab40e159b2dd5cf577acaaf5902772/library/core/src/ops/function.rs:250:5:
[INFO] [stdout] Unexpected stdout, failed var == [
[INFO] [stdout]     195,
[INFO] [stdout]     150,
[INFO] [stdout]     110,
[INFO] [stdout]     101,
[INFO] [stdout]     32,
[INFO] [stdout]     108,
[INFO] [stdout]     105,
[INFO] [stdout]     110,
[INFO] [stdout]     101,
[INFO] [stdout]     44,
[INFO] [stdout]     32,
[INFO] [stdout]     102,
[INFO] [stdout]     111,
[INFO] [stdout]     117,
[INFO] [stdout]     114,
[INFO] [stdout]     32,
[INFO] [stdout]     119,
[INFO] [stdout]     111,
[INFO] [stdout]     114,
[INFO] [stdout]     100,
[INFO] [stdout]     115,
[INFO] [stdout]     46,
[INFO] [stdout]     10,
[INFO] [stdout] ]
[INFO] [stdout] └── var: []
[INFO] [stdout] 
[INFO] [stdout] command=`"/opt/rustwide/target/debug/head" "-n" "2"`
[INFO] [stdout] stdin=`"Öne line, four words.\n"`
[INFO] [stdout] code=101
[INFO] [stdout] stdout=""
[INFO] [stdout] stderr=<90 lines total>
[INFO] [stdout] ```
[INFO] [stdout] 
[INFO] [stdout] thread \'main\' (3217) panicked at /opt/rustwide/cargo-home/registry/src/index.crates.io-1949cf8c6b5b557f/clap-3.2.25/src/parser/matches/arg_matches.rs:547:22:
[INFO] [stdout] Must use `Arg::allow_invalid_utf8` with `_os` lookups at `files`
[INFO] [stdout] stack backtrace:
[INFO] [stdout]    0:     0x6304d990e601 - std[73adb7dc35730857]::backtrace_rs::backtrace::libunwind::trace
[INFO] [stdout]                                at /rustc/6b3fa26749ab40e159b2dd5cf577acaaf5902772/library/std/src/../../backtrace/src/backtrace/libunwind.rs:117:9
[INFO] [stdout]    1:     0x6304d990e601 - std[73adb7dc35730857]::backtrace_rs::backtrace::trace_unsynchronized::<std[73adb7dc35730857]::sys::backtrace::_print_fmt::{closure#1}>
[INFO] [stdout]                                at /rustc/6b3fa26749ab40e159b2dd5cf577acaaf5902772/library/std/src/../../backtrace/src/backtrace/mod.rs:66:14
[INFO] [stdout]    2:     0x6304d990e601 - std[73adb7dc35730857]::sys::backtrace::_print_fmt
[INFO] [stdout]                                at /rustc/6b3fa26749ab40e159b2dd5cf577acaaf5902772/library/std/src/sys/backtrace.rs:74:9
[INFO] [stdout]    3:     0x6304d990e601 - <<std[73adb7dc35730857]::sys::backtrace::BacktraceLock>::print::DisplayBacktrace as core[6883ba1bc0fe4ed1]::fmt::Display>::fmt
[INFO] [stdout]                                at /rustc/6b3fa26749ab40e159b2dd5cf577acaaf5902772/library/std/src/sys/backtrace.rs:44:26
[INFO] [stdout]    4:     0x6304d992228a - <core[6883ba1bc0fe4ed1]::fmt::rt::Argument>::fmt
[INFO] [stdout]                                at /rustc/6b3fa26749ab40e159b2dd5cf577acaaf5902772/library/core/src/fmt/rt.rs:152:76
[INFO] [stdout]    5:     0x6304d992228a - core[6883ba1bc0fe4ed1]::fmt::write
[INFO] [stdout]    6:     0x6304d9913cec - std[73adb7dc35730857]::io::default_write_fmt::<std[73adb7dc35730857]::sys::stdio::unix::Stderr>
[INFO] [stdout]                                at /rustc/6b3fa26749ab40e159b2dd5cf577acaaf5902772/library/std/src/io/mod.rs:626:11
[INFO] [stdout]    7:     0x6304d9913cec - <std[73adb7dc35730857]::sys::stdio::unix::Stderr as std[73adb7dc35730857]::io::Write>::write_fmt
[INFO] [stdout]                                at /rustc/6b3fa26749ab40e159b2dd5cf577acaaf5902772/library/std/src/io/mod.rs:1730:13
[INFO] [stdout]    8:     0x6304d98f8e16 - <std[73adb7dc35730857]::sys::backtrace::BacktraceLock>::print
[INFO] [stdout] ```
[INFO] [stdout] <30 lines omitted>
[INFO] [stdout] ```
[INFO] [stdout]                                at /rustc/6b3fa26749ab40e159b2dd5cf577acaaf5902772/library/alloc/src/vec/mod.rs:3941:9
[INFO] [stdout]   24:     0x6304d97a808e - <core[6883ba1bc0fe4ed1]::iter::adapters::map::Map<core[6883ba1bc0fe4ed1]::iter::adapters::flatten::Flatten<core[6883ba1bc0fe4ed1]::slice::iter::Iter<alloc[55a36b64bcbf2c0d]::vec::Vec<clap[965b0170b9d3cf34]::parser::matches::any_value::AnyValue>>>, <clap[965b0170b9d3cf34]::parser::matches::arg_matches::ArgMatches>::values_of_lossy<&str>::{closure#0}> as core[6883ba1bc0fe4ed1]::iter::traits::iterator::Iterator>::collect::<alloc[55a36b64bcbf2c0d]::vec::Vec<alloc[55a36b64bcbf2c0d]::string::String>>
[INFO] [stdout]                                at /rustc/6b3fa26749ab40e159b2dd5cf577acaaf5902772/library/core/src/iter/traits/iterator.rs:2090:9
[INFO] [stdout]   25:     0x6304d97a2166 - <clap[965b0170b9d3cf34]::parser::matches::arg_matches::ArgMatches>::values_of_lossy::<&str>
[INFO] [stdout]                                at /opt/rustwide/cargo-home/registry/src/index.crates.io-1949cf8c6b5b557f/clap-3.2.25/src/parser/matches/arg_matches.rs:548:14
[INFO] [stdout]   26:     0x6304d97ac18b - command_line_rust[2a7d65b3375657d0]::head::get_args
[INFO] [stdout]                                at /opt/rustwide/workdir/src/head/mod.rs:92:24
[INFO] [stdout]   27:     0x6304d97a1ad2 - head[5f62c2f9cff836a0]::main
[INFO] [stdout]                                at /opt/rustwide/workdir/src/head/main.rs:4:21
[INFO] [stdout]   28:     0x6304d97a1beb - <fn() as core[6883ba1bc0fe4ed1]::ops::function::FnOnce<()>>::call_once
[INFO] [stdout]                                at /rustc/6b3fa26749ab40e159b2dd5cf577acaaf5902772/library/core/src/ops/function.rs:250:5
[INFO] [stdout]   29:     0x6304d97a1a5e - std[73adb7dc35730857]::sys::backtrace::__rust_begin_short_backtrace::<fn(), ()>
[INFO] [stdout]                                at /rustc/6b3fa26749ab40e159b2dd5cf577acaaf5902772/library/std/src/sys/backtrace.rs:166:18
[INFO] [stdout]   30:     0x6304d97a1a81 - std[73adb7dc35730857]::rt::lang_start::<()>::{closure#0}
[INFO] [stdout]                                at /rustc/6b3fa26749ab40e159b2dd5cf577acaaf5902772/library/std/src/rt.rs:206:18
[INFO] [stdout]   31:     0x6304d9909547 - <&dyn core[6883ba1bc0fe4ed1]::ops::function::Fn<(), Output = i32> + core[6883ba1bc0fe4ed1]::panic::unwind_safe::RefUnwindSafe + core[6883ba1bc0fe4ed1]::marker::Sync as core[6883ba1bc0fe4ed1]::ops::function::FnOnce<()>>::call_once
[INFO] [stdout]                                at /rustc/6b3fa26749ab40e159b2dd5cf577acaaf5902772/library/core/src/ops/function.rs:287:21
[INFO] [stdout]   32:     0x6304d9909547 - std[73adb7dc35730857]::panicking::catch_unwind::do_call::<&dyn core[6883ba1bc0fe4ed1]::ops::function::Fn<(), Output = i32> + core[6883ba1bc0fe4ed1]::panic::unwind_safe::RefUnwindSafe + core[6883ba1bc0fe4ed1]::marker::Sync, i32>
[INFO] [stdout]                                at /rustc/6b3fa26749ab40e159b2dd5cf577acaaf5902772/library/std/src/panicking.rs:576:43
[INFO] [stdout]   33:     0x6304d9909547 - std[73adb7dc35730857]::panicking::catch_unwind::<i32, &dyn core[6883ba1bc0fe4ed1]::ops::function::Fn<(), Output = i32> + core[6883ba1bc0fe4ed1]::panic::unwind_safe::RefUnwindSafe + core[6883ba1bc0fe4ed1]::marker::Sync>
[INFO] [stdout]                                at /rustc/6b3fa26749ab40e159b2dd5cf577acaaf5902772/library/std/src/panicking.rs:544:19
[INFO] [stdout]   34:     0x6304d9909547 - std[73adb7dc35730857]::panic::catch_unwind::<&dyn core[6883ba1bc0fe4ed1]::ops::function::Fn<(), Output = i32> + core[6883ba1bc0fe4ed1]::panic::unwind_safe::RefUnwindSafe + core[6883ba1bc0fe4ed1]::marker::Sync, i32>
[INFO] [stdout]                                at /rustc/6b3fa26749ab40e159b2dd5cf577acaaf5902772/library/std/src/panic.rs:359:14
[INFO] [stdout]   35:     0x6304d9909547 - std[73adb7dc35730857]::rt::lang_start_internal::{closure#0}
[INFO] [stdout]                                at /rustc/6b3fa26749ab40e159b2dd5cf577acaaf5902772/library/std/src/rt.rs:175:24
[INFO] [stdout]   36:     0x6304d9909547 - std[73adb7dc35730857]::panicking::catch_unwind::do_call::<std[73adb7dc35730857]::rt::lang_start_internal::{closure#0}, isize>
[INFO] [stdout]                                at /rustc/6b3fa26749ab40e159b2dd5cf577acaaf5902772/library/std/src/panicking.rs:576:43
[INFO] [stdout]   37:     0x6304d9909547 - std[73adb7dc35730857]::panicking::catch_unwind::<isize, std[73adb7dc35730857]::rt::lang_start_internal::{closure#0}>
[INFO] [stdout]                                at /rustc/6b3fa26749ab40e159b2dd5cf577acaaf5902772/library/std/src/panicking.rs:544:19
[INFO] [stdout]   38:     0x6304d9909547 - std[73adb7dc35730857]::panic::catch_unwind::<std[73adb7dc35730857]::rt::lang_start_internal::{closure#0}, isize>
[INFO] [stdout]                                at /rustc/6b3fa26749ab40e159b2dd5cf577acaaf5902772/library/std/src/panic.rs:359:14
[INFO] [stdout]   39:     0x6304d9909547 - std[73adb7dc35730857]::rt::lang_start_internal
[INFO] [stdout]                                at /rustc/6b3fa26749ab40e159b2dd5cf577acaaf5902772/library/std/src/rt.rs:171:5
[INFO] [stdout]   40:     0x6304d97a1a47 - std[73adb7dc35730857]::rt::lang_start::<()>
[INFO] [stdout]                                at /rustc/6b3fa26749ab40e159b2dd5cf577acaaf5902772/library/std/src/rt.rs:205:5
[INFO] [stdout]   41:     0x6304d97a1c7e - main
[INFO] [stdout]   42:     0x7f9910ba81ca - <unknown>
[INFO] [stdout]   43:     0x7f9910ba828b - __libc_start_main
[INFO] [stdout]   44:     0x6304d97a18a5 - _start
[INFO] [stdout]   45:                0x0 - <unknown>
[INFO] [stdout] ```
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] stack backtrace:
[INFO] [stdout]    0:     0x5c98fa0d5011 - std[73adb7dc35730857]::backtrace_rs::backtrace::libunwind::trace
[INFO] [stdout]                                at /rustc/6b3fa26749ab40e159b2dd5cf577acaaf5902772/library/std/src/../../backtrace/src/backtrace/libunwind.rs:117:9
[INFO] [stdout]    1:     0x5c98fa0d5011 - std[73adb7dc35730857]::backtrace_rs::backtrace::trace_unsynchronized::<std[73adb7dc35730857]::sys::backtrace::_print_fmt::{closure#1}>
[INFO] [stdout]                                at /rustc/6b3fa26749ab40e159b2dd5cf577acaaf5902772/library/std/src/../../backtrace/src/backtrace/mod.rs:66:14
[INFO] [stdout]    2:     0x5c98fa0d5011 - std[73adb7dc35730857]::sys::backtrace::_print_fmt
[INFO] [stdout]                                at /rustc/6b3fa26749ab40e159b2dd5cf577acaaf5902772/library/std/src/sys/backtrace.rs:74:9
[INFO] [stdout]    3:     0x5c98fa0d5011 - <<std[73adb7dc35730857]::sys::backtrace::BacktraceLock>::print::DisplayBacktrace as core[6883ba1bc0fe4ed1]::fmt::Display>::fmt
[INFO] [stdout]                                at /rustc/6b3fa26749ab40e159b2dd5cf577acaaf5902772/library/std/src/sys/backtrace.rs:44:26
[INFO] [stdout]    4:     0x5c98fa0eb71a - <core[6883ba1bc0fe4ed1]::fmt::rt::Argument>::fmt
[INFO] [stdout]                                at /rustc/6b3fa26749ab40e159b2dd5cf577acaaf5902772/library/core/src/fmt/rt.rs:152:76
[INFO] [stdout]    5:     0x5c98fa0eb71a - core[6883ba1bc0fe4ed1]::fmt::write
[INFO] [stdout]    6:     0x5c98fa0da99c - std[73adb7dc35730857]::io::default_write_fmt::<alloc[55a36b64bcbf2c0d]::vec::Vec<u8>>
[INFO] [stdout]                                at /rustc/6b3fa26749ab40e159b2dd5cf577acaaf5902772/library/std/src/io/mod.rs:626:11
[INFO] [stdout]    7:     0x5c98fa0da99c - <alloc[55a36b64bcbf2c0d]::vec::Vec<u8> as std[73adb7dc35730857]::io::Write>::write_fmt
[INFO] [stdout]                                at /rustc/6b3fa26749ab40e159b2dd5cf577acaaf5902772/library/std/src/io/mod.rs:1730:13
[INFO] [stdout]    8:     0x5c98fa0b2986 - <std[73adb7dc35730857]::sys::backtrace::BacktraceLock>::print
[INFO] [stdout]                                at /rustc/6b3fa26749ab40e159b2dd5cf577acaaf5902772/library/std/src/sys/backtrace.rs:47:9
[INFO] [stdout]    9:     0x5c98fa0b2986 - std[73adb7dc35730857]::panicking::default_hook::{closure#0}
[INFO] [stdout]                                at /rustc/6b3fa26749ab40e159b2dd5cf577acaaf5902772/library/std/src/panicking.rs:292:27
[INFO] [stdout]   10:     0x5c98fa0ccd09 - std[73adb7dc35730857]::panicking::default_hook
[INFO] [stdout]                                at /rustc/6b3fa26749ab40e159b2dd5cf577acaaf5902772/library/std/src/panicking.rs:316:9
[INFO] [stdout]   11:     0x5c98f9e5fc40 - <alloc[55a36b64bcbf2c0d]::boxed::Box<dyn for<'a, 'b> core[6883ba1bc0fe4ed1]::ops::function::Fn<(&'a std[73adb7dc35730857]::panic::PanicHookInfo<'b>,), Output = ()> + core[6883ba1bc0fe4ed1]::marker::Send + core[6883ba1bc0fe4ed1]::marker::Sync> as core[6883ba1bc0fe4ed1]::ops::function::Fn<(&std[73adb7dc35730857]::panic::PanicHookInfo,)>>::call
[INFO] [stdout]                                at /rustc/6b3fa26749ab40e159b2dd5cf577acaaf5902772/library/alloc/src/boxed.rs:2333:9
[INFO] [stdout]   12:     0x5c98f9e5fc40 - test[980ffaebd391d06d]::test_main_inner::<test[980ffaebd391d06d]::test_main_static::{closure#0}>::{closure#0}
[INFO] [stdout]                                at /rustc/6b3fa26749ab40e159b2dd5cf577acaaf5902772/library/test/src/lib.rs:155:21
[INFO] [stdout]   13:     0x5c98fa0ccec2 - <alloc[55a36b64bcbf2c0d]::boxed::Box<dyn for<'a, 'b> core[6883ba1bc0fe4ed1]::ops::function::Fn<(&'a std[73adb7dc35730857]::panic::PanicHookInfo<'b>,), Output = ()> + core[6883ba1bc0fe4ed1]::marker::Send + core[6883ba1bc0fe4ed1]::marker::Sync> as core[6883ba1bc0fe4ed1]::ops::function::Fn<(&std[73adb7dc35730857]::panic::PanicHookInfo,)>>::call
[INFO] [stdout]                                at /rustc/6b3fa26749ab40e159b2dd5cf577acaaf5902772/library/alloc/src/boxed.rs:2333:9
[INFO] [stdout]   14:     0x5c98fa0ccec2 - std[73adb7dc35730857]::panicking::panic_with_hook
[INFO] [stdout]                                at /rustc/6b3fa26749ab40e159b2dd5cf577acaaf5902772/library/std/src/panicking.rs:823:13
[INFO] [stdout]   15:     0x5c98fa0b2a32 - std[73adb7dc35730857]::panicking::panic_handler::{closure#0}
[INFO] [stdout]                                at /rustc/6b3fa26749ab40e159b2dd5cf577acaaf5902772/library/std/src/panicking.rs:688:13
[INFO] [stdout]   16:     0x5c98fa0aa1d9 - std[73adb7dc35730857]::sys::backtrace::__rust_end_short_backtrace::<std[73adb7dc35730857]::panicking::panic_handler::{closure#0}, !>
[INFO] [stdout]                                at /rustc/6b3fa26749ab40e159b2dd5cf577acaaf5902772/library/std/src/sys/backtrace.rs:182:18
[INFO] [stdout]   17:     0x5c98fa0b362d - __rustc[a7b7b02e776dd976]::rust_begin_unwind
[INFO] [stdout]                                at /rustc/6b3fa26749ab40e159b2dd5cf577acaaf5902772/library/std/src/panicking.rs:679:5
[INFO] [stdout]   18:     0x5c98fa0ebf9c - core[6883ba1bc0fe4ed1]::panicking::panic_fmt
[INFO] [stdout]                                at /rustc/6b3fa26749ab40e159b2dd5cf577acaaf5902772/library/core/src/panicking.rs:80:14
[INFO] [stdout]   19:     0x5c98fa03b8b8 - core[6883ba1bc0fe4ed1]::panicking::panic_display::<assert_cmd[35418449b5f7a4b8]::assert::AssertError>
[INFO] [stdout]                                at /rustc/6b3fa26749ab40e159b2dd5cf577acaaf5902772/library/core/src/panicking.rs:259:5
[INFO] [stdout]   20:     0x5c98fa0426c7 - <assert_cmd[35418449b5f7a4b8]::assert::AssertError>::panic::<assert_cmd[35418449b5f7a4b8]::assert::Assert>
[INFO] [stdout]                                at /opt/rustwide/cargo-home/registry/src/index.crates.io-1949cf8c6b5b557f/assert_cmd-2.0.11/src/assert.rs:1033:9
[INFO] [stdout]   21:     0x5c98fa038947 - <<assert_cmd[35418449b5f7a4b8]::assert::AssertError>::panic<assert_cmd[35418449b5f7a4b8]::assert::Assert> as core[6883ba1bc0fe4ed1]::ops::function::FnOnce<(assert_cmd[35418449b5f7a4b8]::assert::AssertError,)>>::call_once
[INFO] [stdout]                                at /rustc/6b3fa26749ab40e159b2dd5cf577acaaf5902772/library/core/src/ops/function.rs:250:5
[INFO] [stdout]   22:     0x5c98fa041dfb - <core[6883ba1bc0fe4ed1]::result::Result<assert_cmd[35418449b5f7a4b8]::assert::Assert, assert_cmd[35418449b5f7a4b8]::assert::AssertError>>::unwrap_or_else::<<assert_cmd[35418449b5f7a4b8]::assert::AssertError>::panic<assert_cmd[35418449b5f7a4b8]::assert::Assert>>
[INFO] [stdout]                                at /rustc/6b3fa26749ab40e159b2dd5cf577acaaf5902772/library/core/src/result.rs:1620:23
[INFO] [stdout]   23:     0x5c98f9e45014 - <assert_cmd[35418449b5f7a4b8]::assert::Assert>::stdout::<predicates[32cee55fc2d5e3e6]::ord::EqPredicate<&[u8]>, predicates[32cee55fc2d5e3e6]::ord::EqPredicate<&[u8]>>
[INFO] [stdout]                                at /opt/rustwide/cargo-home/registry/src/index.crates.io-1949cf8c6b5b557f/assert_cmd-2.0.11/src/assert.rs:364:31
[INFO] [stdout]   24:     0x5c98f9e4c803 - lib[ef69c164f1f8dd99]::head::run_stdin
[INFO] [stdout]                                at /opt/rustwide/workdir/tests/head/mod.rs:124:10
[INFO] [stdout]   25:     0x5c98f9e4ca6b - lib[ef69c164f1f8dd99]::head::one_n2_stdin
[INFO] [stdout]                                at /opt/rustwide/workdir/tests/head/mod.rs:197:5
[INFO] [stdout]   26:     0x5c98f9e475d7 - lib[ef69c164f1f8dd99]::head::one_n2_stdin::{closure#0}
[INFO] [stdout]                                at /opt/rustwide/workdir/tests/head/mod.rs:196:22
[INFO] [stdout]   27:     0x5c98f9e51f56 - <lib[ef69c164f1f8dd99]::head::one_n2_stdin::{closure#0} as core[6883ba1bc0fe4ed1]::ops::function::FnOnce<()>>::call_once
[INFO] [stdout]                                at /rustc/6b3fa26749ab40e159b2dd5cf577acaaf5902772/library/core/src/ops/function.rs:250:5
[INFO] [stdout]   28:     0x5c98f9e52f7b - <fn() -> core[6883ba1bc0fe4ed1]::result::Result<(), alloc[55a36b64bcbf2c0d]::string::String> as core[6883ba1bc0fe4ed1]::ops::function::FnOnce<()>>::call_once
[INFO] [stdout]                                at /rustc/6b3fa26749ab40e159b2dd5cf577acaaf5902772/library/core/src/ops/function.rs:250:5
[INFO] [stdout]   29:     0x5c98f9e52f7b - test[980ffaebd391d06d]::__rust_begin_short_backtrace::<core[6883ba1bc0fe4ed1]::result::Result<(), alloc[55a36b64bcbf2c0d]::string::String>, fn() -> core[6883ba1bc0fe4ed1]::result::Result<(), alloc[55a36b64bcbf2c0d]::string::String>>
[INFO] [stdout]                                at /rustc/6b3fa26749ab40e159b2dd5cf577acaaf5902772/library/test/src/lib.rs:724:18
[INFO] [stdout]   30:     0x5c98f9e605c5 - test[980ffaebd391d06d]::run_test_in_process::{closure#0}
[INFO] [stdout]                                at /rustc/6b3fa26749ab40e159b2dd5cf577acaaf5902772/library/test/src/lib.rs:747:74
[INFO] [stdout]   31:     0x5c98f9e605c5 - <core[6883ba1bc0fe4ed1]::panic::unwind_safe::AssertUnwindSafe<test[980ffaebd391d06d]::run_test_in_process::{closure#0}> as core[6883ba1bc0fe4ed1]::ops::function::FnOnce<()>>::call_once
[INFO] [stdout]                                at /rustc/6b3fa26749ab40e159b2dd5cf577acaaf5902772/library/core/src/panic/unwind_safe.rs:275:9
[INFO] [stdout]   32:     0x5c98f9e605c5 - std[73adb7dc35730857]::panicking::catch_unwind::do_call::<core[6883ba1bc0fe4ed1]::panic::unwind_safe::AssertUnwindSafe<test[980ffaebd391d06d]::run_test_in_process::{closure#0}>, core[6883ba1bc0fe4ed1]::result::Result<(), alloc[55a36b64bcbf2c0d]::string::String>>
[INFO] [stdout]                                at /rustc/6b3fa26749ab40e159b2dd5cf577acaaf5902772/library/std/src/panicking.rs:576:43
[INFO] [stdout]   33:     0x5c98f9e605c5 - std[73adb7dc35730857]::panicking::catch_unwind::<core[6883ba1bc0fe4ed1]::result::Result<(), alloc[55a36b64bcbf2c0d]::string::String>, core[6883ba1bc0fe4ed1]::panic::unwind_safe::AssertUnwindSafe<test[980ffaebd391d06d]::run_test_in_process::{closure#0}>>
[INFO] [stdout]                                at /rustc/6b3fa26749ab40e159b2dd5cf577acaaf5902772/library/std/src/panicking.rs:544:19
[INFO] [stdout]   34:     0x5c98f9e605c5 - std[73adb7dc35730857]::panic::catch_unwind::<core[6883ba1bc0fe4ed1]::panic::unwind_safe::AssertUnwindSafe<test[980ffaebd391d06d]::run_test_in_process::{closure#0}>, core[6883ba1bc0fe4ed1]::result::Result<(), alloc[55a36b64bcbf2c0d]::string::String>>
[INFO] [stdout]                                at /rustc/6b3fa26749ab40e159b2dd5cf577acaaf5902772/library/std/src/panic.rs:359:14
[INFO] [stdout]   35:     0x5c98f9e605c5 - test[980ffaebd391d06d]::run_test_in_process
[INFO] [stdout]                                at /rustc/6b3fa26749ab40e159b2dd5cf577acaaf5902772/library/test/src/lib.rs:747:27
[INFO] [stdout]   36:     0x5c98f9e605c5 - test[980ffaebd391d06d]::run_test::{closure#0}
[INFO] [stdout]                                at /rustc/6b3fa26749ab40e159b2dd5cf577acaaf5902772/library/test/src/lib.rs:668:43
[INFO] [stdout]   37:     0x5c98f9e5b074 - test[980ffaebd391d06d]::run_test::{closure#1}
[INFO] [stdout]                                at /rustc/6b3fa26749ab40e159b2dd5cf577acaaf5902772/library/test/src/lib.rs:698:41
[INFO] [stdout]   38:     0x5c98f9e5b074 - std[73adb7dc35730857]::sys::backtrace::__rust_begin_short_backtrace::<test[980ffaebd391d06d]::run_test::{closure#1}, ()>
[INFO] [stdout]                                at /rustc/6b3fa26749ab40e159b2dd5cf577acaaf5902772/library/std/src/sys/backtrace.rs:166:18
[INFO] [stdout]   39:     0x5c98f9e63712 - std[73adb7dc35730857]::thread::lifecycle::spawn_unchecked::<test[980ffaebd391d06d]::run_test::{closure#1}, ()>::{closure#1}::{closure#0}
[INFO] [stdout]                                at /rustc/6b3fa26749ab40e159b2dd5cf577acaaf5902772/library/std/src/thread/lifecycle.rs:70:13
[INFO] [stdout]   40:     0x5c98f9e63712 - <core[6883ba1bc0fe4ed1]::panic::unwind_safe::AssertUnwindSafe<std[73adb7dc35730857]::thread::lifecycle::spawn_unchecked<test[980ffaebd391d06d]::run_test::{closure#1}, ()>::{closure#1}::{closure#0}> as core[6883ba1bc0fe4ed1]::ops::function::FnOnce<()>>::call_once
[INFO] [stdout]                                at /rustc/6b3fa26749ab40e159b2dd5cf577acaaf5902772/library/core/src/panic/unwind_safe.rs:275:9
[INFO] [stdout]   41:     0x5c98f9e63712 - std[73adb7dc35730857]::panicking::catch_unwind::do_call::<core[6883ba1bc0fe4ed1]::panic::unwind_safe::AssertUnwindSafe<std[73adb7dc35730857]::thread::lifecycle::spawn_unchecked<test[980ffaebd391d06d]::run_test::{closure#1}, ()>::{closure#1}::{closure#0}>, ()>
[INFO] [stdout]                                at /rustc/6b3fa26749ab40e159b2dd5cf577acaaf5902772/library/std/src/panicking.rs:576:43
[INFO] [stdout]   42:     0x5c98f9e63712 - std[73adb7dc35730857]::panicking::catch_unwind::<(), core[6883ba1bc0fe4ed1]::panic::unwind_safe::AssertUnwindSafe<std[73adb7dc35730857]::thread::lifecycle::spawn_unchecked<test[980ffaebd391d06d]::run_test::{closure#1}, ()>::{closure#1}::{closure#0}>>
[INFO] [stdout]                                at /rustc/6b3fa26749ab40e159b2dd5cf577acaaf5902772/library/std/src/panicking.rs:544:19
[INFO] [stdout]   43:     0x5c98f9e63712 - std[73adb7dc35730857]::panic::catch_unwind::<core[6883ba1bc0fe4ed1]::panic::unwind_safe::AssertUnwindSafe<std[73adb7dc35730857]::thread::lifecycle::spawn_unchecked<test[980ffaebd391d06d]::run_test::{closure#1}, ()>::{closure#1}::{closure#0}>, ()>
[INFO] [stdout]                                at /rustc/6b3fa26749ab40e159b2dd5cf577acaaf5902772/library/std/src/panic.rs:359:14
[INFO] [stdout]   44:     0x5c98f9e63712 - std[73adb7dc35730857]::thread::lifecycle::spawn_unchecked::<test[980ffaebd391d06d]::run_test::{closure#1}, ()>::{closure#1}
[INFO] [stdout]                                at /rustc/6b3fa26749ab40e159b2dd5cf577acaaf5902772/library/std/src/thread/lifecycle.rs:68:26
[INFO] [stdout]   45:     0x5c98f9e63712 - <std[73adb7dc35730857]::thread::lifecycle::spawn_unchecked<test[980ffaebd391d06d]::run_test::{closure#1}, ()>::{closure#1} as core[6883ba1bc0fe4ed1]::ops::function::FnOnce<()>>::call_once::{shim:vtable#0}
[INFO] [stdout]                                at /rustc/6b3fa26749ab40e159b2dd5cf577acaaf5902772/library/core/src/ops/function.rs:250:5
[INFO] [stdout]   46:     0x5c98fa0d44af - <alloc[55a36b64bcbf2c0d]::boxed::Box<dyn core[6883ba1bc0fe4ed1]::ops::function::FnOnce<(), Output = ()> + core[6883ba1bc0fe4ed1]::marker::Send> as core[6883ba1bc0fe4ed1]::ops::function::FnOnce<()>>::call_once
[INFO] [stdout]                                at /rustc/6b3fa26749ab40e159b2dd5cf577acaaf5902772/library/alloc/src/boxed.rs:2319:9
[INFO] [stdout]   47:     0x5c98fa0d44af - <std[73adb7dc35730857]::sys::thread::unix::Thread>::new::thread_start
[INFO] [stdout]                                at /rustc/6b3fa26749ab40e159b2dd5cf577acaaf5902772/library/std/src/sys/thread/unix.rs:123:17
[INFO] [stdout]   48:     0x718092357aa4 - <unknown>
[INFO] [stdout]   49:     0x7180923e4a64 - clone
[INFO] [stdout]   50:                0x0 - <unknown>
[INFO] [stdout] 
[INFO] [stdout] ---- head::ten_n2 stdout ----
[INFO] [stdout] 
[INFO] [stdout] thread 'head::ten_n2' (3261) panicked at /rustc/6b3fa26749ab40e159b2dd5cf577acaaf5902772/library/core/src/ops/function.rs:250:5:
[INFO] [stdout] Unexpected failure.
[INFO] [stdout] code-101
[INFO] [stdout] stderr=```<90 lines total>
[INFO] [stdout] ```
[INFO] [stdout] 
[INFO] [stdout] thread \'main\' (3263) panicked at /opt/rustwide/cargo-home/registry/src/index.crates.io-1949cf8c6b5b557f/clap-3.2.25/src/parser/matches/arg_matches.rs:547:22:
[INFO] [stdout] Must use `Arg::allow_invalid_utf8` with `_os` lookups at `files`
[INFO] [stdout] stack backtrace:
[INFO] [stdout]    0:     0x58ab9be52601 - std[73adb7dc35730857]::backtrace_rs::backtrace::libunwind::trace
[INFO] [stdout]                                at /rustc/6b3fa26749ab40e159b2dd5cf577acaaf5902772/library/std/src/../../backtrace/src/backtrace/libunwind.rs:117:9
[INFO] [stdout]    1:     0x58ab9be52601 - std[73adb7dc35730857]::backtrace_rs::backtrace::trace_unsynchronized::<std[73adb7dc35730857]::sys::backtrace::_print_fmt::{closure#1}>
[INFO] [stdout]                                at /rustc/6b3fa26749ab40e159b2dd5cf577acaaf5902772/library/std/src/../../backtrace/src/backtrace/mod.rs:66:14
[INFO] [stdout]    2:     0x58ab9be52601 - std[73adb7dc35730857]::sys::backtrace::_print_fmt
[INFO] [stdout]                                at /rustc/6b3fa26749ab40e159b2dd5cf577acaaf5902772/library/std/src/sys/backtrace.rs:74:9
[INFO] [stdout]    3:     0x58ab9be52601 - <<std[73adb7dc35730857]::sys::backtrace::BacktraceLock>::print::DisplayBacktrace as core[6883ba1bc0fe4ed1]::fmt::Display>::fmt
[INFO] [stdout]                                at /rustc/6b3fa26749ab40e159b2dd5cf577acaaf5902772/library/std/src/sys/backtrace.rs:44:26
[INFO] [stdout]    4:     0x58ab9be6628a - <core[6883ba1bc0fe4ed1]::fmt::rt::Argument>::fmt
[INFO] [stdout]                                at /rustc/6b3fa26749ab40e159b2dd5cf577acaaf5902772/library/core/src/fmt/rt.rs:152:76
[INFO] [stdout]    5:     0x58ab9be6628a - core[6883ba1bc0fe4ed1]::fmt::write
[INFO] [stdout]    6:     0x58ab9be57cec - std[73adb7dc35730857]::io::default_write_fmt::<std[73adb7dc35730857]::sys::stdio::unix::Stderr>
[INFO] [stdout]                                at /rustc/6b3fa26749ab40e159b2dd5cf577acaaf5902772/library/std/src/io/mod.rs:626:11
[INFO] [stdout]    7:     0x58ab9be57cec - <std[73adb7dc35730857]::sys::stdio::unix::Stderr as std[73adb7dc35730857]::io::Write>::write_fmt
[INFO] [stdout]                                at /rustc/6b3fa26749ab40e159b2dd5cf577acaaf5902772/library/std/src/io/mod.rs:1730:13
[INFO] [stdout]    8:     0x58ab9be3ce16 - <std[73adb7dc35730857]::sys::backtrace::BacktraceLock>::print
[INFO] [stdout] ```
[INFO] [stdout] <30 lines omitted>
[INFO] [stdout] ```
[INFO] [stdout]                                at /rustc/6b3fa26749ab40e159b2dd5cf577acaaf5902772/library/alloc/src/vec/mod.rs:3941:9
[INFO] [stdout]   24:     0x58ab9bcec08e - <core[6883ba1bc0fe4ed1]::iter::adapters::map::Map<core[6883ba1bc0fe4ed1]::iter::adapters::flatten::Flatten<core[6883ba1bc0fe4ed1]::slice::iter::Iter<alloc[55a36b64bcbf2c0d]::vec::Vec<clap[965b0170b9d3cf34]::parser::matches::any_value::AnyValue>>>, <clap[965b0170b9d3cf34]::parser::matches::arg_matches::ArgMatches>::values_of_lossy<&str>::{closure#0}> as core[6883ba1bc0fe4ed1]::iter::traits::iterator::Iterator>::collect::<alloc[55a36b64bcbf2c0d]::vec::Vec<alloc[55a36b64bcbf2c0d]::string::String>>
[INFO] [stdout]                                at /rustc/6b3fa26749ab40e159b2dd5cf577acaaf5902772/library/core/src/iter/traits/iterator.rs:2090:9
[INFO] [stdout]   25:     0x58ab9bce6166 - <clap[965b0170b9d3cf34]::parser::matches::arg_matches::ArgMatches>::values_of_lossy::<&str>
[INFO] [stdout]                                at /opt/rustwide/cargo-home/registry/src/index.crates.io-1949cf8c6b5b557f/clap-3.2.25/src/parser/matches/arg_matches.rs:548:14
[INFO] [stdout]   26:     0x58ab9bcf018b - command_line_rust[2a7d65b3375657d0]::head::get_args
[INFO] [stdout]                                at /opt/rustwide/workdir/src/head/mod.rs:92:24
[INFO] [stdout]   27:     0x58ab9bce5ad2 - head[5f62c2f9cff836a0]::main
[INFO] [stdout]                                at /opt/rustwide/workdir/src/head/main.rs:4:21
[INFO] [stdout]   28:     0x58ab9bce5beb - <fn() as core[6883ba1bc0fe4ed1]::ops::function::FnOnce<()>>::call_once
[INFO] [stdout]                                at /rustc/6b3fa26749ab40e159b2dd5cf577acaaf5902772/library/core/src/ops/function.rs:250:5
[INFO] [stdout]   29:     0x58ab9bce5a5e - std[73adb7dc35730857]::sys::backtrace::__rust_begin_short_backtrace::<fn(), ()>
[INFO] [stdout]                                at /rustc/6b3fa26749ab40e159b2dd5cf577acaaf5902772/library/std/src/sys/backtrace.rs:166:18
[INFO] [stdout]   30:     0x58ab9bce5a81 - std[73adb7dc35730857]::rt::lang_start::<()>::{closure#0}
[INFO] [stdout]                                at /rustc/6b3fa26749ab40e159b2dd5cf577acaaf5902772/library/std/src/rt.rs:206:18
[INFO] [stdout]   31:     0x58ab9be4d547 - <&dyn core[6883ba1bc0fe4ed1]::ops::function::Fn<(), Output = i32> + core[6883ba1bc0fe4ed1]::panic::unwind_safe::RefUnwindSafe + core[6883ba1bc0fe4ed1]::marker::Sync as core[6883ba1bc0fe4ed1]::ops::function::FnOnce<()>>::call_once
[INFO] [stdout]                                at /rustc/6b3fa26749ab40e159b2dd5cf577acaaf5902772/library/core/src/ops/function.rs:287:21
[INFO] [stdout]   32:     0x58ab9be4d547 - std[73adb7dc35730857]::panicking::catch_unwind::do_call::<&dyn core[6883ba1bc0fe4ed1]::ops::function::Fn<(), Output = i32> + core[6883ba1bc0fe4ed1]::panic::unwind_safe::RefUnwindSafe + core[6883ba1bc0fe4ed1]::marker::Sync, i32>
[INFO] [stdout]                                at /rustc/6b3fa26749ab40e159b2dd5cf577acaaf5902772/library/std/src/panicking.rs:576:43
[INFO] [stdout]   33:     0x58ab9be4d547 - std[73adb7dc35730857]::panicking::catch_unwind::<i32, &dyn core[6883ba1bc0fe4ed1]::ops::function::Fn<(), Output = i32> + core[6883ba1bc0fe4ed1]::panic::unwind_safe::RefUnwindSafe + core[6883ba1bc0fe4ed1]::marker::Sync>
[INFO] [stdout]                                at /rustc/6b3fa26749ab40e159b2dd5cf577acaaf5902772/library/std/src/panicking.rs:544:19
[INFO] [stdout]   34:     0x58ab9be4d547 - std[73adb7dc35730857]::panic::catch_unwind::<&dyn core[6883ba1bc0fe4ed1]::ops::function::Fn<(), Output = i32> + core[6883ba1bc0fe4ed1]::panic::unwind_safe::RefUnwindSafe + core[6883ba1bc0fe4ed1]::marker::Sync, i32>
[INFO] [stdout]                                at /rustc/6b3fa26749ab40e159b2dd5cf577acaaf5902772/library/std/src/panic.rs:359:14
[INFO] [stdout]   35:     0x58ab9be4d547 - std[73adb7dc35730857]::rt::lang_start_internal::{closure#0}
[INFO] [stdout]                                at /rustc/6b3fa26749ab40e159b2dd5cf577acaaf5902772/library/std/src/rt.rs:175:24
[INFO] [stdout]   36:     0x58ab9be4d547 - std[73adb7dc35730857]::panicking::catch_unwind::do_call::<std[73adb7dc35730857]::rt::lang_start_internal::{closure#0}, isize>
[INFO] [stdout]                                at /rustc/6b3fa26749ab40e159b2dd5cf577acaaf5902772/library/std/src/panicking.rs:576:43
[INFO] [stdout]   37:     0x58ab9be4d547 - std[73adb7dc35730857]::panicking::catch_unwind::<isize, std[73adb7dc35730857]::rt::lang_start_internal::{closure#0}>
[INFO] [stdout]                                at /rustc/6b3fa26749ab40e159b2dd5cf577acaaf5902772/library/std/src/panicking.rs:544:19
[INFO] [stdout]   38:     0x58ab9be4d547 - std[73adb7dc35730857]::panic::catch_unwind::<std[73adb7dc35730857]::rt::lang_start_internal::{closure#0}, isize>
[INFO] [stdout]                                at /rustc/6b3fa26749ab40e159b2dd5cf577acaaf5902772/library/std/src/panic.rs:359:14
[INFO] [stdout]   39:     0x58ab9be4d547 - std[73adb7dc35730857]::rt::lang_start_internal
[INFO] [stdout]                                at /rustc/6b3fa26749ab40e159b2dd5cf577acaaf5902772/library/std/src/rt.rs:171:5
[INFO] [stdout]   40:     0x58ab9bce5a47 - std[73adb7dc35730857]::rt::lang_start::<()>
[INFO] [stdout]                                at /rustc/6b3fa26749ab40e159b2dd5cf577acaaf5902772/library/std/src/rt.rs:205:5
[INFO] [stdout]   41:     0x58ab9bce5c7e - main
[INFO] [stdout]   42:     0x78ee1cf2b1ca - <unknown>
[INFO] [stdout]   43:     0x78ee1cf2b28b - __libc_start_main
[INFO] [stdout]   44:     0x58ab9bce58a5 - _start
[INFO] [stdout]   45:                0x0 - <unknown>
[INFO] [stdout] ```
[INFO] [stdout] ```
[INFO] [stdout] command=`"/opt/rustwide/target/debug/head" "tests/head/inputs/ten.txt" "-n" "2"`
[INFO] [stdout] code=101
[INFO] [stdout] stdout=""
[INFO] [stdout] stderr=<90 lines total>
[INFO] [stdout] ```
[INFO] [stdout] 
[INFO] [stdout] thread \'main\' (3263) panicked at /opt/rustwide/cargo-home/registry/src/index.crates.io-1949cf8c6b5b557f/clap-3.2.25/src/parser/matches/arg_matches.rs:547:22:
[INFO] [stdout] Must use `Arg::allow_invalid_utf8` with `_os` lookups at `files`
[INFO] [stdout] stack backtrace:
[INFO] [stdout]    0:     0x58ab9be52601 - std[73adb7dc35730857]::backtrace_rs::backtrace::libunwind::trace
[INFO] [stdout]                                at /rustc/6b3fa26749ab40e159b2dd5cf577acaaf5902772/library/std/src/../../backtrace/src/backtrace/libunwind.rs:117:9
[INFO] [stdout]    1:     0x58ab9be52601 - std[73adb7dc35730857]::backtrace_rs::backtrace::trace_unsynchronized::<std[73adb7dc35730857]::sys::backtrace::_print_fmt::{closure#1}>
[INFO] [stdout]                                at /rustc/6b3fa26749ab40e159b2dd5cf577acaaf5902772/library/std/src/../../backtrace/src/backtrace/mod.rs:66:14
[INFO] [stdout]    2:     0x58ab9be52601 - std[73adb7dc35730857]::sys::backtrace::_print_fmt
[INFO] [stdout]                                at /rustc/6b3fa26749ab40e159b2dd5cf577acaaf5902772/library/std/src/sys/backtrace.rs:74:9
[INFO] [stdout]    3:     0x58ab9be52601 - <<std[73adb7dc35730857]::sys::backtrace::BacktraceLock>::print::DisplayBacktrace as core[6883ba1bc0fe4ed1]::fmt::Display>::fmt
[INFO] [stdout]                                at /rustc/6b3fa26749ab40e159b2dd5cf577acaaf5902772/library/std/src/sys/backtrace.rs:44:26
[INFO] [stdout]    4:     0x58ab9be6628a - <core[6883ba1bc0fe4ed1]::fmt::rt::Argument>::fmt
[INFO] [stdout]                                at /rustc/6b3fa26749ab40e159b2dd5cf577acaaf5902772/library/core/src/fmt/rt.rs:152:76
[INFO] [stdout]    5:     0x58ab9be6628a - core[6883ba1bc0fe4ed1]::fmt::write
[INFO] [stdout]    6:     0x58ab9be57cec - std[73adb7dc35730857]::io::default_write_fmt::<std[73adb7dc35730857]::sys::stdio::unix::Stderr>
[INFO] [stdout]                                at /rustc/6b3fa26749ab40e159b2dd5cf577acaaf5902772/library/std/src/io/mod.rs:626:11
[INFO] [stdout]    7:     0x58ab9be57cec - <std[73adb7dc35730857]::sys::stdio::unix::Stderr as std[73adb7dc35730857]::io::Write>::write_fmt
[INFO] [stdout]                                at /rustc/6b3fa26749ab40e159b2dd5cf577acaaf5902772/library/std/src/io/mod.rs:1730:13
[INFO] [stdout]    8:     0x58ab9be3ce16 - <std[73adb7dc35730857]::sys::backtrace::BacktraceLock>::print
[INFO] [stdout] ```
[INFO] [stdout] <30 lines omitted>
[INFO] [stdout] ```
[INFO] [stdout]                                at /rustc/6b3fa26749ab40e159b2dd5cf577acaaf5902772/library/alloc/src/vec/mod.rs:3941:9
[INFO] [stdout]   24:     0x58ab9bcec08e - <core[6883ba1bc0fe4ed1]::iter::adapters::map::Map<core[6883ba1bc0fe4ed1]::iter::adapters::flatten::Flatten<core[6883ba1bc0fe4ed1]::slice::iter::Iter<alloc[55a36b64bcbf2c0d]::vec::Vec<clap[965b0170b9d3cf34]::parser::matches::any_value::AnyValue>>>, <clap[965b0170b9d3cf34]::parser::matches::arg_matches::ArgMatches>::values_of_lossy<&str>::{closure#0}> as core[6883ba1bc0fe4ed1]::iter::traits::iterator::Iterator>::collect::<alloc[55a36b64bcbf2c0d]::vec::Vec<alloc[55a36b64bcbf2c0d]::string::String>>
[INFO] [stdout]                                at /rustc/6b3fa26749ab40e159b2dd5cf577acaaf5902772/library/core/src/iter/traits/iterator.rs:2090:9
[INFO] [stdout]   25:     0x58ab9bce6166 - <clap[965b0170b9d3cf34]::parser::matches::arg_matches::ArgMatches>::values_of_lossy::<&str>
[INFO] [stdout]                                at /opt/rustwide/cargo-home/registry/src/index.crates.io-1949cf8c6b5b557f/clap-3.2.25/src/parser/matches/arg_matches.rs:548:14
[INFO] [stdout]   26:     0x58ab9bcf018b - command_line_rust[2a7d65b3375657d0]::head::get_args
[INFO] [stdout]                                at /opt/rustwide/workdir/src/head/mod.rs:92:24
[INFO] [stdout]   27:     0x58ab9bce5ad2 - head[5f62c2f9cff836a0]::main
[INFO] [stdout]                                at /opt/rustwide/workdir/src/head/main.rs:4:21
[INFO] [stdout]   28:     0x58ab9bce5beb - <fn() as core[6883ba1bc0fe4ed1]::ops::function::FnOnce<()>>::call_once
[INFO] [stdout]                                at /rustc/6b3fa26749ab40e159b2dd5cf577acaaf5902772/library/core/src/ops/function.rs:250:5
[INFO] [stdout]   29:     0x58ab9bce5a5e - std[73adb7dc35730857]::sys::backtrace::__rust_begin_short_backtrace::<fn(), ()>
[INFO] [stdout]                                at /rustc/6b3fa26749ab40e159b2dd5cf577acaaf5902772/library/std/src/sys/backtrace.rs:166:18
[INFO] [stdout]   30:     0x58ab9bce5a81 - std[73adb7dc35730857]::rt::lang_start::<()>::{closure#0}
[INFO] [stdout]                                at /rustc/6b3fa26749ab40e159b2dd5cf577acaaf5902772/library/std/src/rt.rs:206:18
[INFO] [stdout]   31:     0x58ab9be4d547 - <&dyn core[6883ba1bc0fe4ed1]::ops::function::Fn<(), Output = i32> + core[6883ba1bc0fe4ed1]::panic::unwind_safe::RefUnwindSafe + core[6883ba1bc0fe4ed1]::marker::Sync as core[6883ba1bc0fe4ed1]::ops::function::FnOnce<()>>::call_once
[INFO] [stdout]                                at /rustc/6b3fa26749ab40e159b2dd5cf577acaaf5902772/library/core/src/ops/function.rs:287:21
[INFO] [stdout]   32:     0x58ab9be4d547 - std[73adb7dc35730857]::panicking::catch_unwind::do_call::<&dyn core[6883ba1bc0fe4ed1]::ops::function::Fn<(), Output = i32> + core[6883ba1bc0fe4ed1]::panic::unwind_safe::RefUnwindSafe + core[6883ba1bc0fe4ed1]::marker::Sync, i32>
[INFO] [stdout]                                at /rustc/6b3fa26749ab40e159b2dd5cf577acaaf5902772/library/std/src/panicking.rs:576:43
[INFO] [stdout]   33:     0x58ab9be4d547 - std[73adb7dc35730857]::panicking::catch_unwind::<i32, &dyn core[6883ba1bc0fe4ed1]::ops::function::Fn<(), Output = i32> + core[6883ba1bc0fe4ed1]::panic::unwind_safe::RefUnwindSafe + core[6883ba1bc0fe4ed1]::marker::Sync>
[INFO] [stdout]                                at /rustc/6b3fa26749ab40e159b2dd5cf577acaaf5902772/library/std/src/panicking.rs:544:19
[INFO] [stdout]   34:     0x58ab9be4d547 - std[73adb7dc35730857]::panic::catch_unwind::<&dyn core[6883ba1bc0fe4ed1]::ops::function::Fn<(), Output = i32> + core[6883ba1bc0fe4ed1]::panic::unwind_safe::RefUnwindSafe + core[6883ba1bc0fe4ed1]::marker::Sync, i32>
[INFO] [stdout]                                at /rustc/6b3fa26749ab40e159b2dd5cf577acaaf5902772/library/std/src/panic.rs:359:14
[INFO] [stdout]   35:     0x58ab9be4d547 - std[73adb7dc35730857]::rt::lang_start_internal::{closure#0}
[INFO] [stdout]                                at /rustc/6b3fa26749ab40e159b2dd5cf577acaaf5902772/library/std/src/rt.rs:175:24
[INFO] [stdout]   36:     0x58ab9be4d547 - std[73adb7dc35730857]::panicking::catch_unwind::do_call::<std[73adb7dc35730857]::rt::lang_start_internal::{closure#0}, isize>
[INFO] [stdout]                                at /rustc/6b3fa26749ab40e159b2dd5cf577acaaf5902772/library/std/src/panicking.rs:576:43
[INFO] [stdout]   37:     0x58ab9be4d547 - std[73adb7dc35730857]::panicking::catch_unwind::<isize, std[73adb7dc35730857]::rt::lang_start_internal::{closure#0}>
[INFO] [stdout]                                at /rustc/6b3fa26749ab40e159b2dd5cf577acaaf5902772/library/std/src/panicking.rs:544:19
[INFO] [stdout]   38:     0x58ab9be4d547 - std[73adb7dc35730857]::panic::catch_unwind::<std[73adb7dc35730857]::rt::lang_start_internal::{closure#0}, isize>
[INFO] [stdout]                                at /rustc/6b3fa26749ab40e159b2dd5cf577acaaf5902772/library/std/src/panic.rs:359:14
[INFO] [stdout]   39:     0x58ab9be4d547 - std[73adb7dc35730857]::rt::lang_start_internal
[INFO] [stdout]                                at /rustc/6b3fa26749ab40e159b2dd5cf577acaaf5902772/library/std/src/rt.rs:171:5
[INFO] [stdout]   40:     0x58ab9bce5a47 - std[73adb7dc35730857]::rt::lang_start::<()>
[INFO] [stdout]                                at /rustc/6b3fa26749ab40e159b2dd5cf577acaaf5902772/library/std/src/rt.rs:205:5
[INFO] [stdout]   41:     0x58ab9bce5c7e - main
[INFO] [stdout]   42:     0x78ee1cf2b1ca - <unknown>
[INFO] [stdout]   43:     0x78ee1cf2b28b - __libc_start_main
[INFO] [stdout]   44:     0x58ab9bce58a5 - _start
[INFO] [stdout]   45:                0x0 - <unknown>
[INFO] [stdout] ```
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] stack backtrace:
[INFO] [stdout]    0:     0x5c98fa0d5011 - std[73adb7dc35730857]::backtrace_rs::backtrace::libunwind::trace
[INFO] [stdout]                                at /rustc/6b3fa26749ab40e159b2dd5cf577acaaf5902772/library/std/src/../../backtrace/src/backtrace/libunwind.rs:117:9
[INFO] [stdout]    1:     0x5c98fa0d5011 - std[73adb7dc35730857]::backtrace_rs::backtrace::trace_unsynchronized::<std[73adb7dc35730857]::sys::backtrace::_print_fmt::{closure#1}>
[INFO] [stdout]                                at /rustc/6b3fa26749ab40e159b2dd5cf577acaaf5902772/library/std/src/../../backtrace/src/backtrace/mod.rs:66:14
[INFO] [stdout]    2:     0x5c98fa0d5011 - std[73adb7dc35730857]::sys::backtrace::_print_fmt
[INFO] [stdout]                                at /rustc/6b3fa26749ab40e159b2dd5cf577acaaf5902772/library/std/src/sys/backtrace.rs:74:9
[INFO] [stdout]    3:     0x5c98fa0d5011 - <<std[73adb7dc35730857]::sys::backtrace::BacktraceLock>::print::DisplayBacktrace as core[6883ba1bc0fe4ed1]::fmt::Display>::fmt
[INFO] [stdout]                                at /rustc/6b3fa26749ab40e159b2dd5cf577acaaf5902772/library/std/src/sys/backtrace.rs:44:26
[INFO] [stdout]    4:     0x5c98fa0eb71a - <core[6883ba1bc0fe4ed1]::fmt::rt::Argument>::fmt
[INFO] [stdout]                                at /rustc/6b3fa26749ab40e159b2dd5cf577acaaf5902772/library/core/src/fmt/rt.rs:152:76
[INFO] [stdout]    5:     0x5c98fa0eb71a - core[6883ba1bc0fe4ed1]::fmt::write
[INFO] [stdout]    6:     0x5c98fa0da99c - std[73adb7dc35730857]::io::default_write_fmt::<alloc[55a36b64bcbf2c0d]::vec::Vec<u8>>
[INFO] [stdout]                                at /rustc/6b3fa26749ab40e159b2dd5cf577acaaf5902772/library/std/src/io/mod.rs:626:11
[INFO] [stdout]    7:     0x5c98fa0da99c - <alloc[55a36b64bcbf2c0d]::vec::Vec<u8> as std[73adb7dc35730857]::io::Write>::write_fmt
[INFO] [stdout]                                at /rustc/6b3fa26749ab40e159b2dd5cf577acaaf5902772/library/std/src/io/mod.rs:1730:13
[INFO] [stdout]    8:     0x5c98fa0b2986 - <std[73adb7dc35730857]::sys::backtrace::BacktraceLock>::print
[INFO] [stdout]                                at /rustc/6b3fa26749ab40e159b2dd5cf577acaaf5902772/library/std/src/sys/backtrace.rs:47:9
[INFO] [stdout]    9:     0x5c98fa0b2986 - std[73adb7dc35730857]::panicking::default_hook::{closure#0}
[INFO] [stdout]                                at /rustc/6b3fa26749ab40e159b2dd5cf577acaaf5902772/library/std/src/panicking.rs:292:27
[INFO] [stdout]   10:     0x5c98fa0ccd09 - std[73adb7dc35730857]::panicking::default_hook
[INFO] [stdout]                                at /rustc/6b3fa26749ab40e159b2dd5cf577acaaf5902772/library/std/src/panicking.rs:316:9
[INFO] [stdout]   11:     0x5c98f9e5fc40 - <alloc[55a36b64bcbf2c0d]::boxed::Box<dyn for<'a, 'b> core[6883ba1bc0fe4ed1]::ops::function::Fn<(&'a std[73adb7dc35730857]::panic::PanicHookInfo<'b>,), Output = ()> + core[6883ba1bc0fe4ed1]::marker::Send + core[6883ba1bc0fe4ed1]::marker::Sync> as core[6883ba1bc0fe4ed1]::ops::function::Fn<(&std[73adb7dc35730857]::panic::PanicHookInfo,)>>::call
[INFO] [stdout]                                at /rustc/6b3fa26749ab40e159b2dd5cf577acaaf5902772/library/alloc/src/boxed.rs:2333:9
[INFO] [stdout]   12:     0x5c98f9e5fc40 - test[980ffaebd391d06d]::test_main_inner::<test[980ffaebd391d06d]::test_main_static::{closure#0}>::{closure#0}
[INFO] [stdout]                                at /rustc/6b3fa26749ab40e159b2dd5cf577acaaf5902772/library/test/src/lib.rs:155:21
[INFO] [stdout]   13:     0x5c98fa0ccec2 - <alloc[55a36b64bcbf2c0d]::boxed::Box<dyn for<'a, 'b> core[6883ba1bc0fe4ed1]::ops::function::Fn<(&'a std[73adb7dc35730857]::panic::PanicHookInfo<'b>,), Output = ()> + core[6883ba1bc0fe4ed1]::marker::Send + core[6883ba1bc0fe4ed1]::marker::Sync> as core[6883ba1bc0fe4ed1]::ops::function::Fn<(&std[73adb7dc35730857]::panic::PanicHookInfo,)>>::call
[INFO] [stdout]                                at /rustc/6b3fa26749ab40e159b2dd5cf577acaaf5902772/library/alloc/src/boxed.rs:2333:9
[INFO] [stdout]   14:     0x5c98fa0ccec2 - std[73adb7dc35730857]::panicking::panic_with_hook
[INFO] [stdout]                                at /rustc/6b3fa26749ab40e159b2dd5cf577acaaf5902772/library/std/src/panicking.rs:823:13
[INFO] [stdout]   15:     0x5c98fa0b2a32 - std[73adb7dc35730857]::panicking::panic_handler::{closure#0}
[INFO] [stdout]                                at /rustc/6b3fa26749ab40e159b2dd5cf577acaaf5902772/library/std/src/panicking.rs:688:13
[INFO] [stdout]   16:     0x5c98fa0aa1d9 - std[73adb7dc35730857]::sys::backtrace::__rust_end_short_backtrace::<std[73adb7dc35730857]::panicking::panic_handler::{closure#0}, !>
[INFO] [stdout]                                at /rustc/6b3fa26749ab40e159b2dd5cf577acaaf5902772/library/std/src/sys/backtrace.rs:182:18
[INFO] [stdout]   17:     0x5c98fa0b362d - __rustc[a7b7b02e776dd976]::rust_begin_unwind
[INFO] [stdout]                                at /rustc/6b3fa26749ab40e159b2dd5cf577acaaf5902772/library/std/src/panicking.rs:679:5
[INFO] [stdout]   18:     0x5c98fa0ebf9c - core[6883ba1bc0fe4ed1]::panicking::panic_fmt
[INFO] [stdout]                                at /rustc/6b3fa26749ab40e159b2dd5cf577acaaf5902772/library/core/src/panicking.rs:80:14
[INFO] [stdout]   19:     0x5c98fa03b8b8 - core[6883ba1bc0fe4ed1]::panicking::panic_display::<assert_cmd[35418449b5f7a4b8]::assert::AssertError>
[INFO] [stdout]                                at /rustc/6b3fa26749ab40e159b2dd5cf577acaaf5902772/library/core/src/panicking.rs:259:5
[INFO] [stdout]   20:     0x5c98fa0426c7 - <assert_cmd[35418449b5f7a4b8]::assert::AssertError>::panic::<assert_cmd[35418449b5f7a4b8]::assert::Assert>
[INFO] [stdout]                                at /opt/rustwide/cargo-home/registry/src/index.crates.io-1949cf8c6b5b557f/assert_cmd-2.0.11/src/assert.rs:1033:9
[INFO] [stdout]   21:     0x5c98fa038947 - <<assert_cmd[35418449b5f7a4b8]::assert::AssertError>::panic<assert_cmd[35418449b5f7a4b8]::assert::Assert> as core[6883ba1bc0fe4ed1]::ops::function::FnOnce<(assert_cmd[35418449b5f7a4b8]::assert::AssertError,)>>::call_once
[INFO] [stdout]                                at /rustc/6b3fa26749ab40e159b2dd5cf577acaaf5902772/library/core/src/ops/function.rs:250:5
[INFO] [stdout]   22:     0x5c98fa041dfb - <core[6883ba1bc0fe4ed1]::result::Result<assert_cmd[35418449b5f7a4b8]::assert::Assert, assert_cmd[35418449b5f7a4b8]::assert::AssertError>>::unwrap_or_else::<<assert_cmd[35418449b5f7a4b8]::assert::AssertError>::panic<assert_cmd[35418449b5f7a4b8]::assert::Assert>>
[INFO] [stdout]                                at /rustc/6b3fa26749ab40e159b2dd5cf577acaaf5902772/library/core/src/result.rs:1620:23
[INFO] [stdout]   23:     0x5c98fa0442a0 - <assert_cmd[35418449b5f7a4b8]::assert::Assert>::success
[INFO] [stdout]                                at /opt/rustwide/cargo-home/registry/src/index.crates.io-1949cf8c6b5b557f/assert_cmd-2.0.11/src/assert.rs:158:28
[INFO] [stdout]   24:     0x5c98f9e4c073 - lib[ef69c164f1f8dd99]::head::run
[INFO] [stdout]                                at /opt/rustwide/workdir/tests/head/mod.rs:105:10
[INFO] [stdout]   25:     0x5c98f9e4e01e - lib[ef69c164f1f8dd99]::head::ten_n2
[INFO] [stdout]                                at /opt/rustwide/workdir/tests/head/mod.rs:330:5
[INFO] [stdout]   26:     0x5c98f9e47c97 - lib[ef69c164f1f8dd99]::head::ten_n2::{closure#0}
[INFO] [stdout]                                at /opt/rustwide/workdir/tests/head/mod.rs:329:16
[INFO] [stdout]   27:     0x5c98f9e52856 - <lib[ef69c164f1f8dd99]::head::ten_n2::{closure#0} as core[6883ba1bc0fe4ed1]::ops::function::FnOnce<()>>::call_once
[INFO] [stdout]                                at /rustc/6b3fa26749ab40e159b2dd5cf577acaaf5902772/library/core/src/ops/function.rs:250:5
[INFO] [stdout]   28:     0x5c98f9e52f7b - <fn() -> core[6883ba1bc0fe4ed1]::result::Result<(), alloc[55a36b64bcbf2c0d]::string::String> as core[6883ba1bc0fe4ed1]::ops::function::FnOnce<()>>::call_once
[INFO] [stdout]                                at /rustc/6b3fa26749ab40e159b2dd5cf577acaaf5902772/library/core/src/ops/function.rs:250:5
[INFO] [stdout]   29:     0x5c98f9e52f7b - test[980ffaebd391d06d]::__rust_begin_short_backtrace::<core[6883ba1bc0fe4ed1]::result::Result<(), alloc[55a36b64bcbf2c0d]::string::String>, fn() -> core[6883ba1bc0fe4ed1]::result::Result<(), alloc[55a36b64bcbf2c0d]::string::String>>
[INFO] [stdout]                                at /rustc/6b3fa26749ab40e159b2dd5cf577acaaf5902772/library/test/src/lib.rs:724:18
[INFO] [stdout]   30:     0x5c98f9e605c5 - test[980ffaebd391d06d]::run_test_in_process::{closure#0}
[INFO] [stdout]                                at /rustc/6b3fa26749ab40e159b2dd5cf577acaaf5902772/library/test/src/lib.rs:747:74
[INFO] [stdout]   31:     0x5c98f9e605c5 - <core[6883ba1bc0fe4ed1]::panic::unwind_safe::AssertUnwindSafe<test[980ffaebd391d06d]::run_test_in_process::{closure#0}> as core[6883ba1bc0fe4ed1]::ops::function::FnOnce<()>>::call_once
[INFO] [stdout]                                at /rustc/6b3fa26749ab40e159b2dd5cf577acaaf5902772/library/core/src/panic/unwind_safe.rs:275:9
[INFO] [stdout]   32:     0x5c98f9e605c5 - std[73adb7dc35730857]::panicking::catch_unwind::do_call::<core[6883ba1bc0fe4ed1]::panic::unwind_safe::AssertUnwindSafe<test[980ffaebd391d06d]::run_test_in_process::{closure#0}>, core[6883ba1bc0fe4ed1]::result::Result<(), alloc[55a36b64bcbf2c0d]::string::String>>
[INFO] [stdout]                                at /rustc/6b3fa26749ab40e159b2dd5cf577acaaf5902772/library/std/src/panicking.rs:576:43
[INFO] [stdout]   33:     0x5c98f9e605c5 - std[73adb7dc35730857]::panicking::catch_unwind::<core[6883ba1bc0fe4ed1]::result::Result<(), alloc[55a36b64bcbf2c0d]::string::String>, core[6883ba1bc0fe4ed1]::panic::unwind_safe::AssertUnwindSafe<test[980ffaebd391d06d]::run_test_in_process::{closure#0}>>
[INFO] [stdout]                                at /rustc/6b3fa26749ab40e159b2dd5cf577acaaf5902772/library/std/src/panicking.rs:544:19
[INFO] [stdout]   34:     0x5c98f9e605c5 - std[73adb7dc35730857]::panic::catch_unwind::<core[6883ba1bc0fe4ed1]::panic::unwind_safe::AssertUnwindSafe<test[980ffaebd391d06d]::run_test_in_process::{closure#0}>, core[6883ba1bc0fe4ed1]::result::Result<(), alloc[55a36b64bcbf2c0d]::string::String>>
[INFO] [stdout]                                at /rustc/6b3fa26749ab40e159b2dd5cf577acaaf5902772/library/std/src/panic.rs:359:14
[INFO] [stdout]   35:     0x5c98f9e605c5 - test[980ffaebd391d06d]::run_test_in_process
[INFO] [stdout]                                at /rustc/6b3fa26749ab40e159b2dd5cf577acaaf5902772/library/test/src/lib.rs:747:27
[INFO] [stdout]   36:     0x5c98f9e605c5 - test[980ffaebd391d06d]::run_test::{closure#0}
[INFO] [stdout]                                at /rustc/6b3fa26749ab40e159b2dd5cf577acaaf5902772/library/test/src/lib.rs:668:43
[INFO] [stdout]   37:     0x5c98f9e5b074 - test[980ffaebd391d06d]::run_test::{closure#1}
[INFO] [stdout]                                at /rustc/6b3fa26749ab40e159b2dd5cf577acaaf5902772/library/test/src/lib.rs:698:41
[INFO] [stdout]   38:     0x5c98f9e5b074 - std[73adb7dc35730857]::sys::backtrace::__rust_begin_short_backtrace::<test[980ffaebd391d06d]::run_test::{closure#1}, ()>
[INFO] [stdout]                                at /rustc/6b3fa26749ab40e159b2dd5cf577acaaf5902772/library/std/src/sys/backtrace.rs:166:18
[INFO] [stdout]   39:     0x5c98f9e63712 - std[73adb7dc35730857]::thread::lifecycle::spawn_unchecked::<test[980ffaebd391d06d]::run_test::{closure#1}, ()>::{closure#1}::{closure#0}
[INFO] [stdout]                                at /rustc/6b3fa26749ab40e159b2dd5cf577acaaf5902772/library/std/src/thread/lifecycle.rs:70:13
[INFO] [stdout]   40:     0x5c98f9e63712 - <core[6883ba1bc0fe4ed1]::panic::unwind_safe::AssertUnwindSafe<std[73adb7dc35730857]::thread::lifecycle::spawn_unchecked<test[980ffaebd391d06d]::run_test::{closure#1}, ()>::{closure#1}::{closure#0}> as core[6883ba1bc0fe4ed1]::ops::function::FnOnce<()>>::call_once
[INFO] [stdout]                                at /rustc/6b3fa26749ab40e159b2dd5cf577acaaf5902772/library/core/src/panic/unwind_safe.rs:275:9
[INFO] [stdout]   41:     0x5c98f9e63712 - std[73adb7dc35730857]::panicking::catch_unwind::do_call::<core[6883ba1bc0fe4ed1]::panic::unwind_safe::AssertUnwindSafe<std[73adb7dc35730857]::thread::lifecycle::spawn_unchecked<test[980ffaebd391d06d]::run_test::{closure#1}, ()>::{closure#1}::{closure#0}>, ()>
[INFO] [stdout]                                at /rustc/6b3fa26749ab40e159b2dd5cf577acaaf5902772/library/std/src/panicking.rs:576:43
[INFO] [stdout]   42:     0x5c98f9e63712 - std[73adb7dc35730857]::panicking::catch_unwind::<(), core[6883ba1bc0fe4ed1]::panic::unwind_safe::AssertUnwindSafe<std[73adb7dc35730857]::thread::lifecycle::spawn_unchecked<test[980ffaebd391d06d]::run_test::{closure#1}, ()>::{closure#1}::{closure#0}>>
[INFO] [stdout]                                at /rustc/6b3fa26749ab40e159b2dd5cf577acaaf5902772/library/std/src/panicking.rs:544:19
[INFO] [stdout]   43:     0x5c98f9e63712 - std[73adb7dc35730857]::panic::catch_unwind::<core[6883ba1bc0fe4ed1]::panic::unwind_safe::AssertUnwindSafe<std[73adb7dc35730857]::thread::lifecycle::spawn_unchecked<test[980ffaebd391d06d]::run_test::{closure#1}, ()>::{closure#1}::{closure#0}>, ()>
[INFO] [stdout]                                at /rustc/6b3fa26749ab40e159b2dd5cf577acaaf5902772/library/std/src/panic.rs:359:14
[INFO] [stdout]   44:     0x5c98f9e63712 - std[73adb7dc35730857]::thread::lifecycle::spawn_unchecked::<test[980ffaebd391d06d]::run_test::{closure#1}, ()>::{closure#1}
[INFO] [stdout]                                at /rustc/6b3fa26749ab40e159b2dd5cf577acaaf5902772/library/std/src/thread/lifecycle.rs:68:26
[INFO] [stdout]   45:     0x5c98f9e63712 - <std[73adb7dc35730857]::thread::lifecycle::spawn_unchecked<test[980ffaebd391d06d]::run_test::{closure#1}, ()>::{closure#1} as core[6883ba1bc0fe4ed1]::ops::function::FnOnce<()>>::call_once::{shim:vtable#0}
[INFO] [stdout]                                at /rustc/6b3fa26749ab40e159b2dd5cf577acaaf5902772/library/core/src/ops/function.rs:250:5
[INFO] [stdout]   46:     0x5c98fa0d44af - <alloc[55a36b64bcbf2c0d]::boxed::Box<dyn core[6883ba1bc0fe4ed1]::ops::function::FnOnce<(), Output = ()> + core[6883ba1bc0fe4ed1]::marker::Send> as core[6883ba1bc0fe4ed1]::ops::function::FnOnce<()>>::call_once
[INFO] [stdout]                                at /rustc/6b3fa26749ab40e159b2dd5cf577acaaf5902772/library/alloc/src/boxed.rs:2319:9
[INFO] [stdout]   47:     0x5c98fa0d44af - <std[73adb7dc35730857]::sys::thread::unix::Thread>::new::thread_start
[INFO] [stdout]                                at /rustc/6b3fa26749ab40e159b2dd5cf577acaaf5902772/library/std/src/sys/thread/unix.rs:123:17
[INFO] [stdout]   48:     0x718092357aa4 - <unknown>
[INFO] [stdout]   49:     0x7180923e4a64 - clone
[INFO] [stdout]   50:                0x0 - <unknown>
[INFO] [stdout] 
[INFO] [stdout] ---- head::ten_c4_stdin stdout ----
[INFO] [stdout] 
[INFO] [stdout] thread 'head::ten_c4_stdin' (3245) panicked at /rustc/6b3fa26749ab40e159b2dd5cf577acaaf5902772/library/core/src/ops/function.rs:250:5:
[INFO] [stdout] Unexpected stdout, failed var == [
[INFO] [stdout]     111,
[INFO] [stdout]     110,
[INFO] [stdout]     101,
[INFO] [stdout]     10,
[INFO] [stdout] ]
[INFO] [stdout] └── var: []
[INFO] [stdout] 
[INFO] [stdout] command=`"/opt/rustwide/target/debug/head" "-c" "4"`
[INFO] [stdout] stdin=````
[INFO] [stdout] one
[INFO] [stdout] two
[INFO] [stdout] three
[INFO] [stdout] four
[INFO] [stdout] five
[INFO] [stdout] six
[INFO] [stdout] seven
[INFO] [stdout] eight
[INFO] [stdout] nine
[INFO] [stdout] ten
[INFO] [stdout] ```
[INFO] [stdout] `
[INFO] [stdout] code=101
[INFO] [stdout] stdout=""
[INFO] [stdout] stderr=<90 lines total>
[INFO] [stdout] ```
[INFO] [stdout] 
[INFO] [stdout] thread \'main\' (3246) panicked at /opt/rustwide/cargo-home/registry/src/index.crates.io-1949cf8c6b5b557f/clap-3.2.25/src/parser/matches/arg_matches.rs:547:22:
[INFO] [stdout] Must use `Arg::allow_invalid_utf8` with `_os` lookups at `files`
[INFO] [stdout] stack backtrace:
[INFO] [stdout]    0:     0x5f0c07013601 - std[73adb7dc35730857]::backtrace_rs::backtrace::libunwind::trace
[INFO] [stdout]                                at /rustc/6b3fa26749ab40e159b2dd5cf577acaaf5902772/library/std/src/../../backtrace/src/backtrace/libunwind.rs:117:9
[INFO] [stdout]    1:     0x5f0c07013601 - std[73adb7dc35730857]::backtrace_rs::backtrace::trace_unsynchronized::<std[73adb7dc35730857]::sys::backtrace::_print_fmt::{closure#1}>
[INFO] [stdout]                                at /rustc/6b3fa26749ab40e159b2dd5cf577acaaf5902772/library/std/src/../../backtrace/src/backtrace/mod.rs:66:14
[INFO] [stdout]    2:     0x5f0c07013601 - std[73adb7dc35730857]::sys::backtrace::_print_fmt
[INFO] [stdout]                                at /rustc/6b3fa26749ab40e159b2dd5cf577acaaf5902772/library/std/src/sys/backtrace.rs:74:9
[INFO] [stdout]    3:     0x5f0c07013601 - <<std[73adb7dc35730857]::sys::backtrace::BacktraceLock>::print::DisplayBacktrace as core[6883ba1bc0fe4ed1]::fmt::Display>::fmt
[INFO] [stdout]                                at /rustc/6b3fa26749ab40e159b2dd5cf577acaaf5902772/library/std/src/sys/backtrace.rs:44:26
[INFO] [stdout]    4:     0x5f0c0702728a - <core[6883ba1bc0fe4ed1]::fmt::rt::Argument>::fmt
[INFO] [stdout]                                at /rustc/6b3fa26749ab40e159b2dd5cf577acaaf5902772/library/core/src/fmt/rt.rs:152:76
[INFO] [stdout]    5:     0x5f0c0702728a - core[6883ba1bc0fe4ed1]::fmt::write
[INFO] [stdout]    6:     0x5f0c07018cec - std[73adb7dc35730857]::io::default_write_fmt::<std[73adb7dc35730857]::sys::stdio::unix::Stderr>
[INFO] [stdout]                                at /rustc/6b3fa26749ab40e159b2dd5cf577acaaf5902772/library/std/src/io/mod.rs:626:11
[INFO] [stdout]    7:     0x5f0c07018cec - <std[73adb7dc35730857]::sys::stdio::unix::Stderr as std[73adb7dc35730857]::io::Write>::write_fmt
[INFO] [stdout]                                at /rustc/6b3fa26749ab40e159b2dd5cf577acaaf5902772/library/std/src/io/mod.rs:1730:13
[INFO] [stdout]    8:     0x5f0c06ffde16 - <std[73adb7dc35730857]::sys::backtrace::BacktraceLock>::print
[INFO] [stdout] ```
[INFO] [stdout] <30 lines omitted>
[INFO] [stdout] ```
[INFO] [stdout]                                at /rustc/6b3fa26749ab40e159b2dd5cf577acaaf5902772/library/alloc/src/vec/mod.rs:3941:9
[INFO] [stdout]   24:     0x5f0c06ead08e - <core[6883ba1bc0fe4ed1]::iter::adapters::map::Map<core[6883ba1bc0fe4ed1]::iter::adapters::flatten::Flatten<core[6883ba1bc0fe4ed1]::slice::iter::Iter<alloc[55a36b64bcbf2c0d]::vec::Vec<clap[965b0170b9d3cf34]::parser::matches::any_value::AnyValue>>>, <clap[965b0170b9d3cf34]::parser::matches::arg_matches::ArgMatches>::values_of_lossy<&str>::{closure#0}> as core[6883ba1bc0fe4ed1]::iter::traits::iterator::Iterator>::collect::<alloc[55a36b64bcbf2c0d]::vec::Vec<alloc[55a36b64bcbf2c0d]::string::String>>
[INFO] [stdout]                                at /rustc/6b3fa26749ab40e159b2dd5cf577acaaf5902772/library/core/src/iter/traits/iterator.rs:2090:9
[INFO] [stdout]   25:     0x5f0c06ea7166 - <clap[965b0170b9d3cf34]::parser::matches::arg_matches::ArgMatches>::values_of_lossy::<&str>
[INFO] [stdout]                                at /opt/rustwide/cargo-home/registry/src/index.crates.io-1949cf8c6b5b557f/clap-3.2.25/src/parser/matches/arg_matches.rs:548:14
[INFO] [stdout]   26:     0x5f0c06eb118b - command_line_rust[2a7d65b3375657d0]::head::get_args
[INFO] [stdout]                                at /opt/rustwide/workdir/src/head/mod.rs:92:24
[INFO] [stdout]   27:     0x5f0c06ea6ad2 - head[5f62c2f9cff836a0]::main
[INFO] [stdout]                                at /opt/rustwide/workdir/src/head/main.rs:4:21
[INFO] [stdout]   28:     0x5f0c06ea6beb - <fn() as core[6883ba1bc0fe4ed1]::ops::function::FnOnce<()>>::call_once
[INFO] [stdout]                                at /rustc/6b3fa26749ab40e159b2dd5cf577acaaf5902772/library/core/src/ops/function.rs:250:5
[INFO] [stdout]   29:     0x5f0c06ea6a5e - std[73adb7dc35730857]::sys::backtrace::__rust_begin_short_backtrace::<fn(), ()>
[INFO] [stdout]                                at /rustc/6b3fa26749ab40e159b2dd5cf577acaaf5902772/library/std/src/sys/backtrace.rs:166:18
[INFO] [stdout]   30:     0x5f0c06ea6a81 - std[73adb7dc35730857]::rt::lang_start::<()>::{closure#0}
[INFO] [stdout]                                at /rustc/6b3fa26749ab40e159b2dd5cf577acaaf5902772/library/std/src/rt.rs:206:18
[INFO] [stdout]   31:     0x5f0c0700e547 - <&dyn core[6883ba1bc0fe4ed1]::ops::function::Fn<(), Output = i32> + core[6883ba1bc0fe4ed1]::panic::unwind_safe::RefUnwindSafe + core[6883ba1bc0fe4ed1]::marker::Sync as core[6883ba1bc0fe4ed1]::ops::function::FnOnce<()>>::call_once
[INFO] [stdout]                                at /rustc/6b3fa26749ab40e159b2dd5cf577acaaf5902772/library/core/src/ops/function.rs:287:21
[INFO] [stdout]   32:     0x5f0c0700e547 - std[73adb7dc35730857]::panicking::catch_unwind::do_call::<&dyn core[6883ba1bc0fe4ed1]::ops::function::Fn<(), Output = i32> + core[6883ba1bc0fe4ed1]::panic::unwind_safe::RefUnwindSafe + core[6883ba1bc0fe4ed1]::marker::Sync, i32>
[INFO] [stdout]                                at /rustc/6b3fa26749ab40e159b2dd5cf577acaaf5902772/library/std/src/panicking.rs:576:43
[INFO] [stdout]   33:     0x5f0c0700e547 - std[73adb7dc35730857]::panicking::catch_unwind::<i32, &dyn core[6883ba1bc0fe4ed1]::ops::function::Fn<(), Output = i32> + core[6883ba1bc0fe4ed1]::panic::unwind_safe::RefUnwindSafe + core[6883ba1bc0fe4ed1]::marker::Sync>
[INFO] [stdout]                                at /rustc/6b3fa26749ab40e159b2dd5cf577acaaf5902772/library/std/src/panicking.rs:544:19
[INFO] [stdout]   34:     0x5f0c0700e547 - std[73adb7dc35730857]::panic::catch_unwind::<&dyn core[6883ba1bc0fe4ed1]::ops::function::Fn<(), Output = i32> + core[6883ba1bc0fe4ed1]::panic::unwind_safe::RefUnwindSafe + core[6883ba1bc0fe4ed1]::marker::Sync, i32>
[INFO] [stdout]                                at /rustc/6b3fa26749ab40e159b2dd5cf577acaaf5902772/library/std/src/panic.rs:359:14
[INFO] [stdout]   35:     0x5f0c0700e547 - std[73adb7dc35730857]::rt::lang_start_internal::{closure#0}
[INFO] [stdout]                                at /rustc/6b3fa26749ab40e159b2dd5cf577acaaf5902772/library/std/src/rt.rs:175:24
[INFO] [stdout]   36:     0x5f0c0700e547 - std[73adb7dc35730857]::panicking::catch_unwind::do_call::<std[73adb7dc35730857]::rt::lang_start_internal::{closure#0}, isize>
[INFO] [stdout]                                at /rustc/6b3fa26749ab40e159b2dd5cf577acaaf5902772/library/std/src/panicking.rs:576:43
[INFO] [stdout]   37:     0x5f0c0700e547 - std[73adb7dc35730857]::panicking::catch_unwind::<isize, std[73adb7dc35730857]::rt::lang_start_internal::{closure#0}>
[INFO] [stdout]                                at /rustc/6b3fa26749ab40e159b2dd5cf577acaaf5902772/library/std/src/panicking.rs:544:19
[INFO] [stdout]   38:     0x5f0c0700e547 - std[73adb7dc35730857]::panic::catch_unwind::<std[73adb7dc35730857]::rt::lang_start_internal::{closure#0}, isize>
[INFO] [stdout]                                at /rustc/6b3fa26749ab40e159b2dd5cf577acaaf5902772/library/std/src/panic.rs:359:14
[INFO] [stdout]   39:     0x5f0c0700e547 - std[73adb7dc35730857]::rt::lang_start_internal
[INFO] [stdout]                                at /rustc/6b3fa26749ab40e159b2dd5cf577acaaf5902772/library/std/src/rt.rs:171:5
[INFO] [stdout]   40:     0x5f0c06ea6a47 - std[73adb7dc35730857]::rt::lang_start::<()>
[INFO] [stdout]                                at /rustc/6b3fa26749ab40e159b2dd5cf577acaaf5902772/library/std/src/rt.rs:205:5
[INFO] [stdout]   41:     0x5f0c06ea6c7e - main
[INFO] [stdout]   42:     0x7099eb1bc1ca - <unknown>
[INFO] [stdout]   43:     0x7099eb1bc28b - __libc_start_main
[INFO] [stdout]   44:     0x5f0c06ea68a5 - _start
[INFO] [stdout]   45:                0x0 - <unknown>
[INFO] [stdout] ```
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] stack backtrace:
[INFO] [stdout]    0:     0x5c98fa0d5011 - std[73adb7dc35730857]::backtrace_rs::backtrace::libunwind::trace
[INFO] [stdout]                                at /rustc/6b3fa26749ab40e159b2dd5cf577acaaf5902772/library/std/src/../../backtrace/src/backtrace/libunwind.rs:117:9
[INFO] [stdout]    1:     0x5c98fa0d5011 - std[73adb7dc35730857]::backtrace_rs::backtrace::trace_unsynchronized::<std[73adb7dc35730857]::sys::backtrace::_print_fmt::{closure#1}>
[INFO] [stdout]                                at /rustc/6b3fa26749ab40e159b2dd5cf577acaaf5902772/library/std/src/../../backtrace/src/backtrace/mod.rs:66:14
[INFO] [stdout]    2:     0x5c98fa0d5011 - std[73adb7dc35730857]::sys::backtrace::_print_fmt
[INFO] [stdout]                                at /rustc/6b3fa26749ab40e159b2dd5cf577acaaf5902772/library/std/src/sys/backtrace.rs:74:9
[INFO] [stdout]    3:     0x5c98fa0d5011 - <<std[73adb7dc35730857]::sys::backtrace::BacktraceLock>::print::DisplayBacktrace as core[6883ba1bc0fe4ed1]::fmt::Display>::fmt
[INFO] [stdout]                                at /rustc/6b3fa26749ab40e159b2dd5cf577acaaf5902772/library/std/src/sys/backtrace.rs:44:26
[INFO] [stdout]    4:     0x5c98fa0eb71a - <core[6883ba1bc0fe4ed1]::fmt::rt::Argument>::fmt
[INFO] [stdout]                                at /rustc/6b3fa26749ab40e159b2dd5cf577acaaf5902772/library/core/src/fmt/rt.rs:152:76
[INFO] [stdout]    5:     0x5c98fa0eb71a - core[6883ba1bc0fe4ed1]::fmt::write
[INFO] [stdout]    6:     0x5c98fa0da99c - std[73adb7dc35730857]::io::default_write_fmt::<alloc[55a36b64bcbf2c0d]::vec::Vec<u8>>
[INFO] [stdout]                                at /rustc/6b3fa26749ab40e159b2dd5cf577acaaf5902772/library/std/src/io/mod.rs:626:11
[INFO] [stdout]    7:     0x5c98fa0da99c - <alloc[55a36b64bcbf2c0d]::vec::Vec<u8> as std[73adb7dc35730857]::io::Write>::write_fmt
[INFO] [stdout]                                at /rustc/6b3fa26749ab40e159b2dd5cf577acaaf5902772/library/std/src/io/mod.rs:1730:13
[INFO] [stdout]    8:     0x5c98fa0b2986 - <std[73adb7dc35730857]::sys::backtrace::BacktraceLock>::print
[INFO] [stdout]                                at /rustc/6b3fa26749ab40e159b2dd5cf577acaaf5902772/library/std/src/sys/backtrace.rs:47:9
[INFO] [stdout]    9:     0x5c98fa0b2986 - std[73adb7dc35730857]::panicking::default_hook::{closure#0}
[INFO] [stdout]                                at /rustc/6b3fa26749ab40e159b2dd5cf577acaaf5902772/library/std/src/panicking.rs:292:27
[INFO] [stdout]   10:     0x5c98fa0ccd09 - std[73adb7dc35730857]::panicking::default_hook
[INFO] [stdout]                                at /rustc/6b3fa26749ab40e159b2dd5cf577acaaf5902772/library/std/src/panicking.rs:316:9
[INFO] [stdout]   11:     0x5c98f9e5fc40 - <alloc[55a36b64bcbf2c0d]::boxed::Box<dyn for<'a, 'b> core[6883ba1bc0fe4ed1]::ops::function::Fn<(&'a std[73adb7dc35730857]::panic::PanicHookInfo<'b>,), Output = ()> + core[6883ba1bc0fe4ed1]::marker::Send + core[6883ba1bc0fe4ed1]::marker::Sync> as core[6883ba1bc0fe4ed1]::ops::function::Fn<(&std[73adb7dc35730857]::panic::PanicHookInfo,)>>::call
[INFO] [stdout]                                at /rustc/6b3fa26749ab40e159b2dd5cf577acaaf5902772/library/alloc/src/boxed.rs:2333:9
[INFO] [stdout]   12:     0x5c98f9e5fc40 - test[980ffaebd391d06d]::test_main_inner::<test[980ffaebd391d06d]::test_main_static::{closure#0}>::{closure#0}
[INFO] [stdout]                                at /rustc/6b3fa26749ab40e159b2dd5cf577acaaf5902772/library/test/src/lib.rs:155:21
[INFO] [stdout]   13:     0x5c98fa0ccec2 - <alloc[55a36b64bcbf2c0d]::boxed::Box<dyn for<'a, 'b> core[6883ba1bc0fe4ed1]::ops::function::Fn<(&'a std[73adb7dc35730857]::panic::PanicHookInfo<'b>,), Output = ()> + core[6883ba1bc0fe4ed1]::marker::Send + core[6883ba1bc0fe4ed1]::marker::Sync> as core[6883ba1bc0fe4ed1]::ops::function::Fn<(&std[73adb7dc35730857]::panic::PanicHookInfo,)>>::call
[INFO] [stdout]                                at /rustc/6b3fa26749ab40e159b2dd5cf577acaaf5902772/library/alloc/src/boxed.rs:2333:9
[INFO] [stdout]   14:     0x5c98fa0ccec2 - std[73adb7dc35730857]::panicking::panic_with_hook
[INFO] [stdout]                                at /rustc/6b3fa26749ab40e159b2dd5cf577acaaf5902772/library/std/src/panicking.rs:823:13
[INFO] [stdout]   15:     0x5c98fa0b2a32 - std[73adb7dc35730857]::panicking::panic_handler::{closure#0}
[INFO] [stdout]                                at /rustc/6b3fa26749ab40e159b2dd5cf577acaaf5902772/library/std/src/panicking.rs:688:13
[INFO] [stdout]   16:     0x5c98fa0aa1d9 - std[73adb7dc35730857]::sys::backtrace::__rust_end_short_backtrace::<std[73adb7dc35730857]::panicking::panic_handler::{closure#0}, !>
[INFO] [stdout]                                at /rustc/6b3fa26749ab40e159b2dd5cf577acaaf5902772/library/std/src/sys/backtrace.rs:182:18
[INFO] [stdout]   17:     0x5c98fa0b362d - __rustc[a7b7b02e776dd976]::rust_begin_unwind
[INFO] [stdout]                                at /rustc/6b3fa26749ab40e159b2dd5cf577acaaf5902772/library/std/src/panicking.rs:679:5
[INFO] [stdout]   18:     0x5c98fa0ebf9c - core[6883ba1bc0fe4ed1]::panicking::panic_fmt
[INFO] [stdout]                                at /rustc/6b3fa26749ab40e159b2dd5cf577acaaf5902772/library/core/src/panicking.rs:80:14
[INFO] [stdout]   19:     0x5c98fa03b8b8 - core[6883ba1bc0fe4ed1]::panicking::panic_display::<assert_cmd[35418449b5f7a4b8]::assert::AssertError>
[INFO] [stdout]                                at /rustc/6b3fa26749ab40e159b2dd5cf577acaaf5902772/library/core/src/panicking.rs:259:5
[INFO] [stdout]   20:     0x5c98fa0426c7 - <assert_cmd[35418449b5f7a4b8]::assert::AssertError>::panic::<assert_cmd[35418449b5f7a4b8]::assert::Assert>
[INFO] [stdout]                                at /opt/rustwide/cargo-home/registry/src/index.crates.io-1949cf8c6b5b557f/assert_cmd-2.0.11/src/assert.rs:1033:9
[INFO] [stdout]   21:     0x5c98fa038947 - <<assert_cmd[35418449b5f7a4b8]::assert::AssertError>::panic<assert_cmd[35418449b5f7a4b8]::assert::Assert> as core[6883ba1bc0fe4ed1]::ops::function::FnOnce<(assert_cmd[35418449b5f7a4b8]::assert::AssertError,)>>::call_once
[INFO] [stdout]                                at /rustc/6b3fa26749ab40e159b2dd5cf577acaaf5902772/library/core/src/ops/function.rs:250:5
[INFO] [stdout]   22:     0x5c98fa041dfb - <core[6883ba1bc0fe4ed1]::result::Result<assert_cmd[35418449b5f7a4b8]::assert::Assert, assert_cmd[35418449b5f7a4b8]::assert::AssertError>>::unwrap_or_else::<<assert_cmd[35418449b5f7a4b8]::assert::AssertError>::panic<assert_cmd[35418449b5f7a4b8]::assert::Assert>>
[INFO] [stdout]                                at /rustc/6b3fa26749ab40e159b2dd5cf577acaaf5902772/library/core/src/result.rs:1620:23
[INFO] [stdout]   23:     0x5c98f9e45014 - <assert_cmd[35418449b5f7a4b8]::assert::Assert>::stdout::<predicates[32cee55fc2d5e3e6]::ord::EqPredicate<&[u8]>, predicates[32cee55fc2d5e3e6]::ord::EqPredicate<&[u8]>>
[INFO] [stdout]                                at /opt/rustwide/cargo-home/registry/src/index.crates.io-1949cf8c6b5b557f/assert_cmd-2.0.11/src/assert.rs:364:31
[INFO] [stdout]   24:     0x5c98f9e4c803 - lib[ef69c164f1f8dd99]::head::run_stdin
[INFO] [stdout]                                at /opt/rustwide/workdir/tests/head/mod.rs:124:10
[INFO] [stdout]   25:     0x5c98f9e4cafb - lib[ef69c164f1f8dd99]::head::ten_c4_stdin
[INFO] [stdout]                                at /opt/rustwide/workdir/tests/head/mod.rs:370:5
[INFO] [stdout]   26:     0x5c98f9e47667 - lib[ef69c164f1f8dd99]::head::ten_c4_stdin::{closure#0}
[INFO] [stdout]                                at /opt/rustwide/workdir/tests/head/mod.rs:369:22
[INFO] [stdout]   27:     0x5c98f9e52016 - <lib[ef69c164f1f8dd99]::head::ten_c4_stdin::{closure#0} as core[6883ba1bc0fe4ed1]::ops::function::FnOnce<()>>::call_once
[INFO] [stdout]                                at /rustc/6b3fa26749ab40e159b2dd5cf577acaaf5902772/library/core/src/ops/function.rs:250:5
[INFO] [stdout]   28:     0x5c98f9e52f7b - <fn() -> core[6883ba1bc0fe4ed1]::result::Result<(), alloc[55a36b64bcbf2c0d]::string::String> as core[6883ba1bc0fe4ed1]::ops::function::FnOnce<()>>::call_once
[INFO] [stdout]                                at /rustc/6b3fa26749ab40e159b2dd5cf577acaaf5902772/library/core/src/ops/function.rs:250:5
[INFO] [stdout]   29:     0x5c98f9e52f7b - test[980ffaebd391d06d]::__rust_begin_short_backtrace::<core[6883ba1bc0fe4ed1]::result::Result<(), alloc[55a36b64bcbf2c0d]::string::String>, fn() -> core[6883ba1bc0fe4ed1]::result::Result<(), alloc[55a36b64bcbf2c0d]::string::String>>
[INFO] [stdout]                                at /rustc/6b3fa26749ab40e159b2dd5cf577acaaf5902772/library/test/src/lib.rs:724:18
[INFO] [stdout]   30:     0x5c98f9e605c5 - test[980ffaebd391d06d]::run_test_in_process::{closure#0}
[INFO] [stdout]                                at /rustc/6b3fa26749ab40e159b2dd5cf577acaaf5902772/library/test/src/lib.rs:747:74
[INFO] [stdout]   31:     0x5c98f9e605c5 - <core[6883ba1bc0fe4ed1]::panic::unwind_safe::AssertUnwindSafe<test[980ffaebd391d06d]::run_test_in_process::{closure#0}> as core[6883ba1bc0fe4ed1]::ops::function::FnOnce<()>>::call_once
[INFO] [stdout]                                at /rustc/6b3fa26749ab40e159b2dd5cf577acaaf5902772/library/core/src/panic/unwind_safe.rs:275:9
[INFO] [stdout]   32:     0x5c98f9e605c5 - std[73adb7dc35730857]::panicking::catch_unwind::do_call::<core[6883ba1bc0fe4ed1]::panic::unwind_safe::AssertUnwindSafe<test[980ffaebd391d06d]::run_test_in_process::{closure#0}>, core[6883ba1bc0fe4ed1]::result::Result<(), alloc[55a36b64bcbf2c0d]::string::String>>
[INFO] [stdout]                                at /rustc/6b3fa26749ab40e159b2dd5cf577acaaf5902772/library/std/src/panicking.rs:576:43
[INFO] [stdout]   33:     0x5c98f9e605c5 - std[73adb7dc35730857]::panicking::catch_unwind::<core[6883ba1bc0fe4ed1]::result::Result<(), alloc[55a36b64bcbf2c0d]::string::String>, core[6883ba1bc0fe4ed1]::panic::unwind_safe::AssertUnwindSafe<test[980ffaebd391d06d]::run_test_in_process::{closure#0}>>
[INFO] [stdout]                                at /rustc/6b3fa26749ab40e159b2dd5cf577acaaf5902772/library/std/src/panicking.rs:544:19
[INFO] [stdout]   34:     0x5c98f9e605c5 - std[73adb7dc35730857]::panic::catch_unwind::<core[6883ba1bc0fe4ed1]::panic::unwind_safe::AssertUnwindSafe<test[980ffaebd391d06d]::run_test_in_process::{closure#0}>, core[6883ba1bc0fe4ed1]::result::Result<(), alloc[55a36b64bcbf2c0d]::string::String>>
[INFO] [stdout]                                at /rustc/6b3fa26749ab40e159b2dd5cf577acaaf5902772/library/std/src/panic.rs:359:14
[INFO] [stdout]   35:     0x5c98f9e605c5 - test[980ffaebd391d06d]::run_test_in_process
[INFO] [stdout]                                at /rustc/6b3fa26749ab40e159b2dd5cf577acaaf5902772/library/test/src/lib.rs:747:27
[INFO] [stdout]   36:     0x5c98f9e605c5 - test[980ffaebd391d06d]::run_test::{closure#0}
[INFO] [stdout]                                at /rustc/6b3fa26749ab40e159b2dd5cf577acaaf5902772/library/test/src/lib.rs:668:43
[INFO] [stdout]   37:     0x5c98f9e5b074 - test[980ffaebd391d06d]::run_test::{closure#1}
[INFO] [stdout]                                at /rustc/6b3fa26749ab40e159b2dd5cf577acaaf5902772/library/test/src/lib.rs:698:41
[INFO] [stdout]   38:     0x5c98f9e5b074 - std[73adb7dc35730857]::sys::backtrace::__rust_begin_short_backtrace::<test[980ffaebd391d06d]::run_test::{closure#1}, ()>
[INFO] [stdout]                                at /rustc/6b3fa26749ab40e159b2dd5cf577acaaf5902772/library/std/src/sys/backtrace.rs:166:18
[INFO] [stdout]   39:     0x5c98f9e63712 - std[73adb7dc35730857]::thread::lifecycle::spawn_unchecked::<test[980ffaebd391d06d]::run_test::{closure#1}, ()>::{closure#1}::{closure#0}
[INFO] [stdout]                                at /rustc/6b3fa26749ab40e159b2dd5cf577acaaf5902772/library/std/src/thread/lifecycle.rs:70:13
[INFO] [stdout]   40:     0x5c98f9e63712 - <core[6883ba1bc0fe4ed1]::panic::unwind_safe::AssertUnwindSafe<std[73adb7dc35730857]::thread::lifecycle::spawn_unchecked<test[980ffaebd391d06d]::run_test::{closure#1}, ()>::{closure#1}::{closure#0}> as core[6883ba1bc0fe4ed1]::ops::function::FnOnce<()>>::call_once
[INFO] [stdout]                                at /rustc/6b3fa26749ab40e159b2dd5cf577acaaf5902772/library/core/src/panic/unwind_safe.rs:275:9
[INFO] [stdout]   41:     0x5c98f9e63712 - std[73adb7dc35730857]::panicking::catch_unwind::do_call::<core[6883ba1bc0fe4ed1]::panic::unwind_safe::AssertUnwindSafe<std[73adb7dc35730857]::thread::lifecycle::spawn_unchecked<test[980ffaebd391d06d]::run_test::{closure#1}, ()>::{closure#1}::{closure#0}>, ()>
[INFO] [stdout]                                at /rustc/6b3fa26749ab40e159b2dd5cf577acaaf5902772/library/std/src/panicking.rs:576:43
[INFO] [stdout]   42:     0x5c98f9e63712 - std[73adb7dc35730857]::panicking::catch_unwind::<(), core[6883ba1bc0fe4ed1]::panic::unwind_safe::AssertUnwindSafe<std[73adb7dc35730857]::thread::lifecycle::spawn_unchecked<test[980ffaebd391d06d]::run_test::{closure#1}, ()>::{closure#1}::{closure#0}>>
[INFO] [stdout]                                at /rustc/6b3fa26749ab40e159b2dd5cf577acaaf5902772/library/std/src/panicking.rs:544:19
[INFO] [stdout]   43:     0x5c98f9e63712 - std[73adb7dc35730857]::panic::catch_unwind::<core[6883ba1bc0fe4ed1]::panic::unwind_safe::AssertUnwindSafe<std[73adb7dc35730857]::thread::lifecycle::spawn_unchecked<test[980ffaebd391d06d]::run_test::{closure#1}, ()>::{closure#1}::{closure#0}>, ()>
[INFO] [stdout]                                at /rustc/6b3fa26749ab40e159b2dd5cf577acaaf5902772/library/std/src/panic.rs:359:14
[INFO] [stdout]   44:     0x5c98f9e63712 - std[73adb7dc35730857]::thread::lifecycle::spawn_unchecked::<test[980ffaebd391d06d]::run_test::{closure#1}, ()>::{closure#1}
[INFO] [stdout]                                at /rustc/6b3fa26749ab40e159b2dd5cf577acaaf5902772/library/std/src/thread/lifecycle.rs:68:26
[INFO] [stdout]   45:     0x5c98f9e63712 - <std[73adb7dc35730857]::thread::lifecycle::spawn_unchecked<test[980ffaebd391d06d]::run_test::{closure#1}, ()>::{closure#1} as core[6883ba1bc0fe4ed1]::ops::function::FnOnce<()>>::call_once::{shim:vtable#0}
[INFO] [stdout]                                at /rustc/6b3fa26749ab40e159b2dd5cf577acaaf5902772/library/core/src/ops/function.rs:250:5
[INFO] [stdout]   46:     0x5c98fa0d44af - <alloc[55a36b64bcbf2c0d]::boxed::Box<dyn core[6883ba1bc0fe4ed1]::ops::function::FnOnce<(), Output = ()> + core[6883ba1bc0fe4ed1]::marker::Send> as core[6883ba1bc0fe4ed1]::ops::function::FnOnce<()>>::call_once
[INFO] [stdout]                                at /rustc/6b3fa26749ab40e159b2dd5cf577acaaf5902772/library/alloc/src/boxed.rs:2319:9
[INFO] [stdout]   47:     0x5c98fa0d44af - <std[73adb7dc35730857]::sys::thread::unix::Thread>::new::thread_start
[INFO] [stdout]                                at /rustc/6b3fa26749ab40e159b2dd5cf577acaaf5902772/library/std/src/sys/thread/unix.rs:123:17
[INFO] [stdout]   48:     0x718092357aa4 - <unknown>
[INFO] [stdout]   49:     0x7180923e4a64 - clone
[INFO] [stdout]   50:                0x0 - <unknown>
[INFO] [stdout] 
[INFO] [stdout] ---- head::ten_n4 stdout ----
[INFO] [stdout] 
[INFO] [stdout] thread 'head::ten_n4' (3267) panicked at /rustc/6b3fa26749ab40e159b2dd5cf577acaaf5902772/library/core/src/ops/function.rs:250:5:
[INFO] [stdout] Unexpected failure.
[INFO] [stdout] code-101
[INFO] [stdout] stderr=```<90 lines total>
[INFO] [stdout] ```
[INFO] [stdout] 
[INFO] [stdout] thread \'main\' (3271) panicked at /opt/rustwide/cargo-home/registry/src/index.crates.io-1949cf8c6b5b557f/clap-3.2.25/src/parser/matches/arg_matches.rs:547:22:
[INFO] [stdout] Must use `Arg::allow_invalid_utf8` with `_os` lookups at `files`
[INFO] [stdout] stack backtrace:
[INFO] [stdout]    0:     0x654f5a583601 - std[73adb7dc35730857]::backtrace_rs::backtrace::libunwind::trace
[INFO] [stdout]                                at /rustc/6b3fa26749ab40e159b2dd5cf577acaaf5902772/library/std/src/../../backtrace/src/backtrace/libunwind.rs:117:9
[INFO] [stdout]    1:     0x654f5a583601 - std[73adb7dc35730857]::backtrace_rs::backtrace::trace_unsynchronized::<std[73adb7dc35730857]::sys::backtrace::_print_fmt::{closure#1}>
[INFO] [stdout]                                at /rustc/6b3fa26749ab40e159b2dd5cf577acaaf5902772/library/std/src/../../backtrace/src/backtrace/mod.rs:66:14
[INFO] [stdout]    2:     0x654f5a583601 - std[73adb7dc35730857]::sys::backtrace::_print_fmt
[INFO] [stdout]                                at /rustc/6b3fa26749ab40e159b2dd5cf577acaaf5902772/library/std/src/sys/backtrace.rs:74:9
[INFO] [stdout]    3:     0x654f5a583601 - <<std[73adb7dc35730857]::sys::backtrace::BacktraceLock>::print::DisplayBacktrace as core[6883ba1bc0fe4ed1]::fmt::Display>::fmt
[INFO] [stdout]                                at /rustc/6b3fa26749ab40e159b2dd5cf577acaaf5902772/library/std/src/sys/backtrace.rs:44:26
[INFO] [stdout]    4:     0x654f5a59728a - <core[6883ba1bc0fe4ed1]::fmt::rt::Argument>::fmt
[INFO] [stdout]                                at /rustc/6b3fa26749ab40e159b2dd5cf577acaaf5902772/library/core/src/fmt/rt.rs:152:76
[INFO] [stdout]    5:     0x654f5a59728a - core[6883ba1bc0fe4ed1]::fmt::write
[INFO] [stdout]    6:     0x654f5a588cec - std[73adb7dc35730857]::io::default_write_fmt::<std[73adb7dc35730857]::sys::stdio::unix::Stderr>
[INFO] [stdout]                                at /rustc/6b3fa26749ab40e159b2dd5cf577acaaf5902772/library/std/src/io/mod.rs:626:11
[INFO] [stdout]    7:     0x654f5a588cec - <std[73adb7dc35730857]::sys::stdio::unix::Stderr as std[73adb7dc35730857]::io::Write>::write_fmt
[INFO] [stdout]                                at /rustc/6b3fa26749ab40e159b2dd5cf577acaaf5902772/library/std/src/io/mod.rs:1730:13
[INFO] [stdout]    8:     0x654f5a56de16 - <std[73adb7dc35730857]::sys::backtrace::BacktraceLock>::print
[INFO] [stdout] ```
[INFO] [stdout] <30 lines omitted>
[INFO] [stdout] ```
[INFO] [stdout]                                at /rustc/6b3fa26749ab40e159b2dd5cf577acaaf5902772/library/alloc/src/vec/mod.rs:3941:9
[INFO] [stdout]   24:     0x654f5a41d08e - <core[6883ba1bc0fe4ed1]::iter::adapters::map::Map<core[6883ba1bc0fe4ed1]::iter::adapters::flatten::Flatten<core[6883ba1bc0fe4ed1]::slice::iter::Iter<alloc[55a36b64bcbf2c0d]::vec::Vec<clap[965b0170b9d3cf34]::parser::matches::any_value::AnyValue>>>, <clap[965b0170b9d3cf34]::parser::matches::arg_matches::ArgMatches>::values_of_lossy<&str>::{closure#0}> as core[6883ba1bc0fe4ed1]::iter::traits::iterator::Iterator>::collect::<alloc[55a36b64bcbf2c0d]::vec::Vec<alloc[55a36b64bcbf2c0d]::string::String>>
[INFO] [stdout]                                at /rustc/6b3fa26749ab40e159b2dd5cf577acaaf5902772/library/core/src/iter/traits/iterator.rs:2090:9
[INFO] [stdout]   25:     0x654f5a417166 - <clap[965b0170b9d3cf34]::parser::matches::arg_matches::ArgMatches>::values_of_lossy::<&str>
[INFO] [stdout]                                at /opt/rustwide/cargo-home/registry/src/index.crates.io-1949cf8c6b5b557f/clap-3.2.25/src/parser/matches/arg_matches.rs:548:14
[INFO] [stdout]   26:     0x654f5a42118b - command_line_rust[2a7d65b3375657d0]::head::get_args
[INFO] [stdout]                                at /opt/rustwide/workdir/src/head/mod.rs:92:24
[INFO] [stdout]   27:     0x654f5a416ad2 - head[5f62c2f9cff836a0]::main
[INFO] [stdout]                                at /opt/rustwide/workdir/src/head/main.rs:4:21
[INFO] [stdout]   28:     0x654f5a416beb - <fn() as core[6883ba1bc0fe4ed1]::ops::function::FnOnce<()>>::call_once
[INFO] [stdout]                                at /rustc/6b3fa26749ab40e159b2dd5cf577acaaf5902772/library/core/src/ops/function.rs:250:5
[INFO] [stdout]   29:     0x654f5a416a5e - std[73adb7dc35730857]::sys::backtrace::__rust_begin_short_backtrace::<fn(), ()>
[INFO] [stdout]                                at /rustc/6b3fa26749ab40e159b2dd5cf577acaaf5902772/library/std/src/sys/backtrace.rs:166:18
[INFO] [stdout]   30:     0x654f5a416a81 - std[73adb7dc35730857]::rt::lang_start::<()>::{closure#0}
[INFO] [stdout]                                at /rustc/6b3fa26749ab40e159b2dd5cf577acaaf5902772/library/std/src/rt.rs:206:18
[INFO] [stdout]   31:     0x654f5a57e547 - <&dyn core[6883ba1bc0fe4ed1]::ops::function::Fn<(), Output = i32> + core[6883ba1bc0fe4ed1]::panic::unwind_safe::RefUnwindSafe + core[6883ba1bc0fe4ed1]::marker::Sync as core[6883ba1bc0fe4ed1]::ops::function::FnOnce<()>>::call_once
[INFO] [stdout]                                at /rustc/6b3fa26749ab40e159b2dd5cf577acaaf5902772/library/core/src/ops/function.rs:287:21
[INFO] [stdout]   32:     0x654f5a57e547 - std[73adb7dc35730857]::panicking::catch_unwind::do_call::<&dyn core[6883ba1bc0fe4ed1]::ops::function::Fn<(), Output = i32> + core[6883ba1bc0fe4ed1]::panic::unwind_safe::RefUnwindSafe + core[6883ba1bc0fe4ed1]::marker::Sync, i32>
[INFO] [stdout]                                at /rustc/6b3fa26749ab40e159b2dd5cf577acaaf5902772/library/std/src/panicking.rs:576:43
[INFO] [stdout]   33:     0x654f5a57e547 - std[73adb7dc35730857]::panicking::catch_unwind::<i32, &dyn core[6883ba1bc0fe4ed1]::ops::function::Fn<(), Output = i32> + core[6883ba1bc0fe4ed1]::panic::unwind_safe::RefUnwindSafe + core[6883ba1bc0fe4ed1]::marker::Sync>
[INFO] [stdout]                                at /rustc/6b3fa26749ab40e159b2dd5cf577acaaf5902772/library/std/src/panicking.rs:544:19
[INFO] [stdout]   34:     0x654f5a57e547 - std[73adb7dc35730857]::panic::catch_unwind::<&dyn core[6883ba1bc0fe4ed1]::ops::function::Fn<(), Output = i32> + core[6883ba1bc0fe4ed1]::panic::unwind_safe::RefUnwindSafe + core[6883ba1bc0fe4ed1]::marker::Sync, i32>
[INFO] [stdout]                                at /rustc/6b3fa26749ab40e159b2dd5cf577acaaf5902772/library/std/src/panic.rs:359:14
[INFO] [stdout]   35:     0x654f5a57e547 - std[73adb7dc35730857]::rt::lang_start_internal::{closure#0}
[INFO] [stdout]                                at /rustc/6b3fa26749ab40e159b2dd5cf577acaaf5902772/library/std/src/rt.rs:175:24
[INFO] [stdout]   36:     0x654f5a57e547 - std[73adb7dc35730857]::panicking::catch_unwind::do_call::<std[73adb7dc35730857]::rt::lang_start_internal::{closure#0}, isize>
[INFO] [stdout]                                at /rustc/6b3fa26749ab40e159b2dd5cf577acaaf5902772/library/std/src/panicking.rs:576:43
[INFO] [stdout]   37:     0x654f5a57e547 - std[73adb7dc35730857]::panicking::catch_unwind::<isize, std[73adb7dc35730857]::rt::lang_start_internal::{closure#0}>
[INFO] [stdout]                                at /rustc/6b3fa26749ab40e159b2dd5cf577acaaf5902772/library/std/src/panicking.rs:544:19
[INFO] [stdout]   38:     0x654f5a57e547 - std[73adb7dc35730857]::panic::catch_unwind::<std[73adb7dc35730857]::rt::lang_start_internal::{closure#0}, isize>
[INFO] [stdout]                                at /rustc/6b3fa26749ab40e159b2dd5cf577acaaf5902772/library/std/src/panic.rs:359:14
[INFO] [stdout]   39:     0x654f5a57e547 - std[73adb7dc35730857]::rt::lang_start_internal
[INFO] [stdout]                                at /rustc/6b3fa26749ab40e159b2dd5cf577acaaf5902772/library/std/src/rt.rs:171:5
[INFO] [stdout]   40:     0x654f5a416a47 - std[73adb7dc35730857]::rt::lang_start::<()>
[INFO] [stdout]                                at /rustc/6b3fa26749ab40e159b2dd5cf577acaaf5902772/library/std/src/rt.rs:205:5
[INFO] [stdout]   41:     0x654f5a416c7e - main
[INFO] [stdout]   42:     0x720bb3aa31ca - <unknown>
[INFO] [stdout]   43:     0x720bb3aa328b - __libc_start_main
[INFO] [stdout]   44:     0x654f5a4168a5 - _start
[INFO] [stdout]   45:                0x0 - <unknown>
[INFO] [stdout] ```
[INFO] [stdout] ```
[INFO] [stdout] command=`"/opt/rustwide/target/debug/head" "tests/head/inputs/ten.txt" "-n" "4"`
[INFO] [stdout] code=101
[INFO] [stdout] stdout=""
[INFO] [stdout] stderr=<90 lines total>
[INFO] [stdout] ```
[INFO] [stdout] 
[INFO] [stdout] thread \'main\' (3271) panicked at /opt/rustwide/cargo-home/registry/src/index.crates.io-1949cf8c6b5b557f/clap-3.2.25/src/parser/matches/arg_matches.rs:547:22:
[INFO] [stdout] Must use `Arg::allow_invalid_utf8` with `_os` lookups at `files`
[INFO] [stdout] stack backtrace:
[INFO] [stdout]    0:     0x654f5a583601 - std[73adb7dc35730857]::backtrace_rs::backtrace::libunwind::trace
[INFO] [stdout]                                at /rustc/6b3fa26749ab40e159b2dd5cf577acaaf5902772/library/std/src/../../backtrace/src/backtrace/libunwind.rs:117:9
[INFO] [stdout]    1:     0x654f5a583601 - std[73adb7dc35730857]::backtrace_rs::backtrace::trace_unsynchronized::<std[73adb7dc35730857]::sys::backtrace::_print_fmt::{closure#1}>
[INFO] [stdout]                                at /rustc/6b3fa26749ab40e159b2dd5cf577acaaf5902772/library/std/src/../../backtrace/src/backtrace/mod.rs:66:14
[INFO] [stdout]    2:     0x654f5a583601 - std[73adb7dc35730857]::sys::backtrace::_print_fmt
[INFO] [stdout]                                at /rustc/6b3fa26749ab40e159b2dd5cf577acaaf5902772/library/std/src/sys/backtrace.rs:74:9
[INFO] [stdout]    3:     0x654f5a583601 - <<std[73adb7dc35730857]::sys::backtrace::BacktraceLock>::print::DisplayBacktrace as core[6883ba1bc0fe4ed1]::fmt::Display>::fmt
[INFO] [stdout]                                at /rustc/6b3fa26749ab40e159b2dd5cf577acaaf5902772/library/std/src/sys/backtrace.rs:44:26
[INFO] [stdout]    4:     0x654f5a59728a - <core[6883ba1bc0fe4ed1]::fmt::rt::Argument>::fmt
[INFO] [stdout]                                at /rustc/6b3fa26749ab40e159b2dd5cf577acaaf5902772/library/core/src/fmt/rt.rs:152:76
[INFO] [stdout]    5:     0x654f5a59728a - core[6883ba1bc0fe4ed1]::fmt::write
[INFO] [stdout]    6:     0x654f5a588cec - std[73adb7dc35730857]::io::default_write_fmt::<std[73adb7dc35730857]::sys::stdio::unix::Stderr>
[INFO] [stdout]                                at /rustc/6b3fa26749ab40e159b2dd5cf577acaaf5902772/library/std/src/io/mod.rs:626:11
[INFO] [stdout]    7:     0x654f5a588cec - <std[73adb7dc35730857]::sys::stdio::unix::Stderr as std[73adb7dc35730857]::io::Write>::write_fmt
[INFO] [stdout]                                at /rustc/6b3fa26749ab40e159b2dd5cf577acaaf5902772/library/std/src/io/mod.rs:1730:13
[INFO] [stdout]    8:     0x654f5a56de16 - <std[73adb7dc35730857]::sys::backtrace::BacktraceLock>::print
[INFO] [stdout] ```
[INFO] [stdout] <30 lines omitted>
[INFO] [stdout] ```
[INFO] [stdout]                                at /rustc/6b3fa26749ab40e159b2dd5cf577acaaf5902772/library/alloc/src/vec/mod.rs:3941:9
[INFO] [stdout]   24:     0x654f5a41d08e - <core[6883ba1bc0fe4ed1]::iter::adapters::map::Map<core[6883ba1bc0fe4ed1]::iter::adapters::flatten::Flatten<core[6883ba1bc0fe4ed1]::slice::iter::Iter<alloc[55a36b64bcbf2c0d]::vec::Vec<clap[965b0170b9d3cf34]::parser::matches::any_value::AnyValue>>>, <clap[965b0170b9d3cf34]::parser::matches::arg_matches::ArgMatches>::values_of_lossy<&str>::{closure#0}> as core[6883ba1bc0fe4ed1]::iter::traits::iterator::Iterator>::collect::<alloc[55a36b64bcbf2c0d]::vec::Vec<alloc[55a36b64bcbf2c0d]::string::String>>
[INFO] [stdout]                                at /rustc/6b3fa26749ab40e159b2dd5cf577acaaf5902772/library/core/src/iter/traits/iterator.rs:2090:9
[INFO] [stdout]   25:     0x654f5a417166 - <clap[965b0170b9d3cf34]::parser::matches::arg_matches::ArgMatches>::values_of_lossy::<&str>
[INFO] [stdout]                                at /opt/rustwide/cargo-home/registry/src/index.crates.io-1949cf8c6b5b557f/clap-3.2.25/src/parser/matches/arg_matches.rs:548:14
[INFO] [stdout]   26:     0x654f5a42118b - command_line_rust[2a7d65b3375657d0]::head::get_args
[INFO] [stdout]                                at /opt/rustwide/workdir/src/head/mod.rs:92:24
[INFO] [stdout]   27:     0x654f5a416ad2 - head[5f62c2f9cff836a0]::main
[INFO] [stdout]                                at /opt/rustwide/workdir/src/head/main.rs:4:21
[INFO] [stdout]   28:     0x654f5a416beb - <fn() as core[6883ba1bc0fe4ed1]::ops::function::FnOnce<()>>::call_once
[INFO] [stdout]                                at /rustc/6b3fa26749ab40e159b2dd5cf577acaaf5902772/library/core/src/ops/function.rs:250:5
[INFO] [stdout]   29:     0x654f5a416a5e - std[73adb7dc35730857]::sys::backtrace::__rust_begin_short_backtrace::<fn(), ()>
[INFO] [stdout]                                at /rustc/6b3fa26749ab40e159b2dd5cf577acaaf5902772/library/std/src/sys/backtrace.rs:166:18
[INFO] [stdout]   30:     0x654f5a416a81 - std[73adb7dc35730857]::rt::lang_start::<()>::{closure#0}
[INFO] [stdout]                                at /rustc/6b3fa26749ab40e159b2dd5cf577acaaf5902772/library/std/src/rt.rs:206:18
[INFO] [stdout]   31:     0x654f5a57e547 - <&dyn core[6883ba1bc0fe4ed1]::ops::function::Fn<(), Output = i32> + core[6883ba1bc0fe4ed1]::panic::unwind_safe::RefUnwindSafe + core[6883ba1bc0fe4ed1]::marker::Sync as core[6883ba1bc0fe4ed1]::ops::function::FnOnce<()>>::call_once
[INFO] [stdout]                                at /rustc/6b3fa26749ab40e159b2dd5cf577acaaf5902772/library/core/src/ops/function.rs:287:21
[INFO] [stdout]   32:     0x654f5a57e547 - std[73adb7dc35730857]::panicking::catch_unwind::do_call::<&dyn core[6883ba1bc0fe4ed1]::ops::function::Fn<(), Output = i32> + core[6883ba1bc0fe4ed1]::panic::unwind_safe::RefUnwindSafe + core[6883ba1bc0fe4ed1]::marker::Sync, i32>
[INFO] [stdout]                                at /rustc/6b3fa26749ab40e159b2dd5cf577acaaf5902772/library/std/src/panicking.rs:576:43
[INFO] [stdout]   33:     0x654f5a57e547 - std[73adb7dc35730857]::panicking::catch_unwind::<i32, &dyn core[6883ba1bc0fe4ed1]::ops::function::Fn<(), Output = i32> + core[6883ba1bc0fe4ed1]::panic::unwind_safe::RefUnwindSafe + core[6883ba1bc0fe4ed1]::marker::Sync>
[INFO] [stdout]                                at /rustc/6b3fa26749ab40e159b2dd5cf577acaaf5902772/library/std/src/panicking.rs:544:19
[INFO] [stdout]   34:     0x654f5a57e547 - std[73adb7dc35730857]::panic::catch_unwind::<&dyn core[6883ba1bc0fe4ed1]::ops::function::Fn<(), Output = i32> + core[6883ba1bc0fe4ed1]::panic::unwind_safe::RefUnwindSafe + core[6883ba1bc0fe4ed1]::marker::Sync, i32>
[INFO] [stdout]                                at /rustc/6b3fa26749ab40e159b2dd5cf577acaaf5902772/library/std/src/panic.rs:359:14
[INFO] [stdout]   35:     0x654f5a57e547 - std[73adb7dc35730857]::rt::lang_start_internal::{closure#0}
[INFO] [stdout]                                at /rustc/6b3fa26749ab40e159b2dd5cf577acaaf5902772/library/std/src/rt.rs:175:24
[INFO] [stdout]   36:     0x654f5a57e547 - std[73adb7dc35730857]::panicking::catch_unwind::do_call::<std[73adb7dc35730857]::rt::lang_start_internal::{closure#0}, isize>
[INFO] [stdout]                                at /rustc/6b3fa26749ab40e159b2dd5cf577acaaf5902772/library/std/src/panicking.rs:576:43
[INFO] [stdout]   37:     0x654f5a57e547 - std[73adb7dc35730857]::panicking::catch_unwind::<isize, std[73adb7dc35730857]::rt::lang_start_internal::{closure#0}>
[INFO] [stdout]                                at /rustc/6b3fa26749ab40e159b2dd5cf577acaaf5902772/library/std/src/panicking.rs:544:19
[INFO] [stdout]   38:     0x654f5a57e547 - std[73adb7dc35730857]::panic::catch_unwind::<std[73adb7dc35730857]::rt::lang_start_internal::{closure#0}, isize>
[INFO] [stdout]                                at /rustc/6b3fa26749ab40e159b2dd5cf577acaaf5902772/library/std/src/panic.rs:359:14
[INFO] [stdout]   39:     0x654f5a57e547 - std[73adb7dc35730857]::rt::lang_start_internal
[INFO] [stdout]                                at /rustc/6b3fa26749ab40e159b2dd5cf577acaaf5902772/library/std/src/rt.rs:171:5
[INFO] [stdout]   40:     0x654f5a416a47 - std[73adb7dc35730857]::rt::lang_start::<()>
[INFO] [stdout]                                at /rustc/6b3fa26749ab40e159b2dd5cf577acaaf5902772/library/std/src/rt.rs:205:5
[INFO] [stdout]   41:     0x654f5a416c7e - main
[INFO] [stdout]   42:     0x720bb3aa31ca - <unknown>
[INFO] [stdout]   43:     0x720bb3aa328b - __libc_start_main
[INFO] [stdout]   44:     0x654f5a4168a5 - _start
[INFO] [stdout]   45:                0x0 - <unknown>
[INFO] [stdout] ```
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] stack backtrace:
[INFO] [stdout]    0:     0x5c98fa0d5011 - std[73adb7dc35730857]::backtrace_rs::backtrace::libunwind::trace
[INFO] [stdout]                                at /rustc/6b3fa26749ab40e159b2dd5cf577acaaf5902772/library/std/src/../../backtrace/src/backtrace/libunwind.rs:117:9
[INFO] [stdout]    1:     0x5c98fa0d5011 - std[73adb7dc35730857]::backtrace_rs::backtrace::trace_unsynchronized::<std[73adb7dc35730857]::sys::backtrace::_print_fmt::{closure#1}>
[INFO] [stdout]                                at /rustc/6b3fa26749ab40e159b2dd5cf577acaaf5902772/library/std/src/../../backtrace/src/backtrace/mod.rs:66:14
[INFO] [stdout]    2:     0x5c98fa0d5011 - std[73adb7dc35730857]::sys::backtrace::_print_fmt
[INFO] [stdout]                                at /rustc/6b3fa26749ab40e159b2dd5cf577acaaf5902772/library/std/src/sys/backtrace.rs:74:9
[INFO] [stdout]    3:     0x5c98fa0d5011 - <<std[73adb7dc35730857]::sys::backtrace::BacktraceLock>::print::DisplayBacktrace as core[6883ba1bc0fe4ed1]::fmt::Display>::fmt
[INFO] [stdout]                                at /rustc/6b3fa26749ab40e159b2dd5cf577acaaf5902772/library/std/src/sys/backtrace.rs:44:26
[INFO] [stdout]    4:     0x5c98fa0eb71a - <core[6883ba1bc0fe4ed1]::fmt::rt::Argument>::fmt
[INFO] [stdout]                                at /rustc/6b3fa26749ab40e159b2dd5cf577acaaf5902772/library/core/src/fmt/rt.rs:152:76
[INFO] [stdout]    5:     0x5c98fa0eb71a - core[6883ba1bc0fe4ed1]::fmt::write
[INFO] [stdout]    6:     0x5c98fa0da99c - std[73adb7dc35730857]::io::default_write_fmt::<alloc[55a36b64bcbf2c0d]::vec::Vec<u8>>
[INFO] [stdout]                                at /rustc/6b3fa26749ab40e159b2dd5cf577acaaf5902772/library/std/src/io/mod.rs:626:11
[INFO] [stdout]    7:     0x5c98fa0da99c - <alloc[55a36b64bcbf2c0d]::vec::Vec<u8> as std[73adb7dc35730857]::io::Write>::write_fmt
[INFO] [stdout]                                at /rustc/6b3fa26749ab40e159b2dd5cf577acaaf5902772/library/std/src/io/mod.rs:1730:13
[INFO] [stdout]    8:     0x5c98fa0b2986 - <std[73adb7dc35730857]::sys::backtrace::BacktraceLock>::print
[INFO] [stdout]                                at /rustc/6b3fa26749ab40e159b2dd5cf577acaaf5902772/library/std/src/sys/backtrace.rs:47:9
[INFO] [stdout]    9:     0x5c98fa0b2986 - std[73adb7dc35730857]::panicking::default_hook::{closure#0}
[INFO] [stdout]                                at /rustc/6b3fa26749ab40e159b2dd5cf577acaaf5902772/library/std/src/panicking.rs:292:27
[INFO] [stdout]   10:     0x5c98fa0ccd09 - std[73adb7dc35730857]::panicking::default_hook
[INFO] [stdout]                                at /rustc/6b3fa26749ab40e159b2dd5cf577acaaf5902772/library/std/src/panicking.rs:316:9
[INFO] [stdout]   11:     0x5c98f9e5fc40 - <alloc[55a36b64bcbf2c0d]::boxed::Box<dyn for<'a, 'b> core[6883ba1bc0fe4ed1]::ops::function::Fn<(&'a std[73adb7dc35730857]::panic::PanicHookInfo<'b>,), Output = ()> + core[6883ba1bc0fe4ed1]::marker::Send + core[6883ba1bc0fe4ed1]::marker::Sync> as core[6883ba1bc0fe4ed1]::ops::function::Fn<(&std[73adb7dc35730857]::panic::PanicHookInfo,)>>::call
[INFO] [stdout]                                at /rustc/6b3fa26749ab40e159b2dd5cf577acaaf5902772/library/alloc/src/boxed.rs:2333:9
[INFO] [stdout]   12:     0x5c98f9e5fc40 - test[980ffaebd391d06d]::test_main_inner::<test[980ffaebd391d06d]::test_main_static::{closure#0}>::{closure#0}
[INFO] [stdout]                                at /rustc/6b3fa26749ab40e159b2dd5cf577acaaf5902772/library/test/src/lib.rs:155:21
[INFO] [stdout]   13:     0x5c98fa0ccec2 - <alloc[55a36b64bcbf2c0d]::boxed::Box<dyn for<'a, 'b> core[6883ba1bc0fe4ed1]::ops::function::Fn<(&'a std[73adb7dc35730857]::panic::PanicHookInfo<'b>,), Output = ()> + core[6883ba1bc0fe4ed1]::marker::Send + core[6883ba1bc0fe4ed1]::marker::Sync> as core[6883ba1bc0fe4ed1]::ops::function::Fn<(&std[73adb7dc35730857]::panic::PanicHookInfo,)>>::call
[INFO] [stdout]                                at /rustc/6b3fa26749ab40e159b2dd5cf577acaaf5902772/library/alloc/src/boxed.rs:2333:9
[INFO] [stdout]   14:     0x5c98fa0ccec2 - std[73adb7dc35730857]::panicking::panic_with_hook
[INFO] [stdout]                                at /rustc/6b3fa26749ab40e159b2dd5cf577acaaf5902772/library/std/src/panicking.rs:823:13
[INFO] [stdout]   15:     0x5c98fa0b2a32 - std[73adb7dc35730857]::panicking::panic_handler::{closure#0}
[INFO] [stdout]                                at /rustc/6b3fa26749ab40e159b2dd5cf577acaaf5902772/library/std/src/panicking.rs:688:13
[INFO] [stdout]   16:     0x5c98fa0aa1d9 - std[73adb7dc35730857]::sys::backtrace::__rust_end_short_backtrace::<std[73adb7dc35730857]::panicking::panic_handler::{closure#0}, !>
[INFO] [stdout]                                at /rustc/6b3fa26749ab40e159b2dd5cf577acaaf5902772/library/std/src/sys/backtrace.rs:182:18
[INFO] [stdout]   17:     0x5c98fa0b362d - __rustc[a7b7b02e776dd976]::rust_begin_unwind
[INFO] [stdout]                                at /rustc/6b3fa26749ab40e159b2dd5cf577acaaf5902772/library/std/src/panicking.rs:679:5
[INFO] [stdout]   18:     0x5c98fa0ebf9c - core[6883ba1bc0fe4ed1]::panicking::panic_fmt
[INFO] [stdout]                                at /rustc/6b3fa26749ab40e159b2dd5cf577acaaf5902772/library/core/src/panicking.rs:80:14
[INFO] [stdout]   19:     0x5c98fa03b8b8 - core[6883ba1bc0fe4ed1]::panicking::panic_display::<assert_cmd[35418449b5f7a4b8]::assert::AssertError>
[INFO] [stdout]                                at /rustc/6b3fa26749ab40e159b2dd5cf577acaaf5902772/library/core/src/panicking.rs:259:5
[INFO] [stdout]   20:     0x5c98fa0426c7 - <assert_cmd[35418449b5f7a4b8]::assert::AssertError>::panic::<assert_cmd[35418449b5f7a4b8]::assert::Assert>
[INFO] [stdout]                                at /opt/rustwide/cargo-home/registry/src/index.crates.io-1949cf8c6b5b557f/assert_cmd-2.0.11/src/assert.rs:1033:9
[INFO] [stdout]   21:     0x5c98fa038947 - <<assert_cmd[35418449b5f7a4b8]::assert::AssertError>::panic<assert_cmd[35418449b5f7a4b8]::assert::Assert> as core[6883ba1bc0fe4ed1]::ops::function::FnOnce<(assert_cmd[35418449b5f7a4b8]::assert::AssertError,)>>::call_once
[INFO] [stdout]                                at /rustc/6b3fa26749ab40e159b2dd5cf577acaaf5902772/library/core/src/ops/function.rs:250:5
[INFO] [stdout]   22:     0x5c98fa041dfb - <core[6883ba1bc0fe4ed1]::result::Result<assert_cmd[35418449b5f7a4b8]::assert::Assert, assert_cmd[35418449b5f7a4b8]::assert::AssertError>>::unwrap_or_else::<<assert_cmd[35418449b5f7a4b8]::assert::AssertError>::panic<assert_cmd[35418449b5f7a4b8]::assert::Assert>>
[INFO] [stdout]                                at /rustc/6b3fa26749ab40e159b2dd5cf577acaaf5902772/library/core/src/result.rs:1620:23
[INFO] [stdout]   23:     0x5c98fa0442a0 - <assert_cmd[35418449b5f7a4b8]::assert::Assert>::success
[INFO] [stdout]                                at /opt/rustwide/cargo-home/registry/src/index.crates.io-1949cf8c6b5b557f/assert_cmd-2.0.11/src/assert.rs:158:28
[INFO] [stdout]   24:     0x5c98f9e4c073 - lib[ef69c164f1f8dd99]::head::run
[INFO] [stdout]                                at /opt/rustwide/workdir/tests/head/mod.rs:105:10
[INFO] [stdout]   25:     0x5c98f9e4e03e - lib[ef69c164f1f8dd99]::head::ten_n4
[INFO] [stdout]                                at /opt/rustwide/workdir/tests/head/mod.rs:335:5
[INFO] [stdout]   26:     0x5c98f9e47cc7 - lib[ef69c164f1f8dd99]::head::ten_n4::{closure#0}
[INFO] [stdout]                                at /opt/rustwide/workdir/tests/head/mod.rs:334:16
[INFO] [stdout]   27:     0x5c98f9e52896 - <lib[ef69c164f1f8dd99]::head::ten_n4::{closure#0} as core[6883ba1bc0fe4ed1]::ops::function::FnOnce<()>>::call_once
[INFO] [stdout]                                at /rustc/6b3fa26749ab40e159b2dd5cf577acaaf5902772/library/core/src/ops/function.rs:250:5
[INFO] [stdout]   28:     0x5c98f9e52f7b - <fn() -> core[6883ba1bc0fe4ed1]::result::Result<(), alloc[55a36b64bcbf2c0d]::string::String> as core[6883ba1bc0fe4ed1]::ops::function::FnOnce<()>>::call_once
[INFO] [stdout]                                at /rustc/6b3fa26749ab40e159b2dd5cf577acaaf5902772/library/core/src/ops/function.rs:250:5
[INFO] [stdout]   29:     0x5c98f9e52f7b - test[980ffaebd391d06d]::__rust_begin_short_backtrace::<core[6883ba1bc0fe4ed1]::result::Result<(), alloc[55a36b64bcbf2c0d]::string::String>, fn() -> core[6883ba1bc0fe4ed1]::result::Result<(), alloc[55a36b64bcbf2c0d]::string::String>>
[INFO] [stdout]                                at /rustc/6b3fa26749ab40e159b2dd5cf577acaaf5902772/library/test/src/lib.rs:724:18
[INFO] [stdout]   30:     0x5c98f9e605c5 - test[980ffaebd391d06d]::run_test_in_process::{closure#0}
[INFO] [stdout]                                at /rustc/6b3fa26749ab40e159b2dd5cf577acaaf5902772/library/test/src/lib.rs:747:74
[INFO] [stdout]   31:     0x5c98f9e605c5 - <core[6883ba1bc0fe4ed1]::panic::unwind_safe::AssertUnwindSafe<test[980ffaebd391d06d]::run_test_in_process::{closure#0}> as core[6883ba1bc0fe4ed1]::ops::function::FnOnce<()>>::call_once
[INFO] [stdout]                                at /rustc/6b3fa26749ab40e159b2dd5cf577acaaf5902772/library/core/src/panic/unwind_safe.rs:275:9
[INFO] [stdout]   32:     0x5c98f9e605c5 - std[73adb7dc35730857]::panicking::catch_unwind::do_call::<core[6883ba1bc0fe4ed1]::panic::unwind_safe::AssertUnwindSafe<test[980ffaebd391d06d]::run_test_in_process::{closure#0}>, core[6883ba1bc0fe4ed1]::result::Result<(), alloc[55a36b64bcbf2c0d]::string::String>>
[INFO] [stdout]                                at /rustc/6b3fa26749ab40e159b2dd5cf577acaaf5902772/library/std/src/panicking.rs:576:43
[INFO] [stdout]   33:     0x5c98f9e605c5 - std[73adb7dc35730857]::panicking::catch_unwind::<core[6883ba1bc0fe4ed1]::result::Result<(), alloc[55a36b64bcbf2c0d]::string::String>, core[6883ba1bc0fe4ed1]::panic::unwind_safe::AssertUnwindSafe<test[980ffaebd391d06d]::run_test_in_process::{closure#0}>>
[INFO] [stdout]                                at /rustc/6b3fa26749ab40e159b2dd5cf577acaaf5902772/library/std/src/panicking.rs:544:19
[INFO] [stdout]   34:     0x5c98f9e605c5 - std[73adb7dc35730857]::panic::catch_unwind::<core[6883ba1bc0fe4ed1]::panic::unwind_safe::AssertUnwindSafe<test[980ffaebd391d06d]::run_test_in_process::{closure#0}>, core[6883ba1bc0fe4ed1]::result::Result<(), alloc[55a36b64bcbf2c0d]::string::String>>
[INFO] [stdout]                                at /rustc/6b3fa26749ab40e159b2dd5cf577acaaf5902772/library/std/src/panic.rs:359:14
[INFO] [stdout]   35:     0x5c98f9e605c5 - test[980ffaebd391d06d]::run_test_in_process
[INFO] [stdout]                                at /rustc/6b3fa26749ab40e159b2dd5cf577acaaf5902772/library/test/src/lib.rs:747:27
[INFO] [stdout]   36:     0x5c98f9e605c5 - test[980ffaebd391d06d]::run_test::{closure#0}
[INFO] [stdout]                                at /rustc/6b3fa26749ab40e159b2dd5cf577acaaf5902772/library/test/src/lib.rs:668:43
[INFO] [stdout]   37:     0x5c98f9e5b074 - test[980ffaebd391d06d]::run_test::{closure#1}
[INFO] [stdout]                                at /rustc/6b3fa26749ab40e159b2dd5cf577acaaf5902772/library/test/src/lib.rs:698:41
[INFO] [stdout]   38:     0x5c98f9e5b074 - std[73adb7dc35730857]::sys::backtrace::__rust_begin_short_backtrace::<test[980ffaebd391d06d]::run_test::{closure#1}, ()>
[INFO] [stdout]                                at /rustc/6b3fa26749ab40e159b2dd5cf577acaaf5902772/library/std/src/sys/backtrace.rs:166:18
[INFO] [stdout]   39:     0x5c98f9e63712 - std[73adb7dc35730857]::thread::lifecycle::spawn_unchecked::<test[980ffaebd391d06d]::run_test::{closure#1}, ()>::{closure#1}::{closure#0}
[INFO] [stdout]                                at /rustc/6b3fa26749ab40e159b2dd5cf577acaaf5902772/library/std/src/thread/lifecycle.rs:70:13
[INFO] [stdout]   40:     0x5c98f9e63712 - <core[6883ba1bc0fe4ed1]::panic::unwind_safe::AssertUnwindSafe<std[73adb7dc35730857]::thread::lifecycle::spawn_unchecked<test[980ffaebd391d06d]::run_test::{closure#1}, ()>::{closure#1}::{closure#0}> as core[6883ba1bc0fe4ed1]::ops::function::FnOnce<()>>::call_once
[INFO] [stdout]                                at /rustc/6b3fa26749ab40e159b2dd5cf577acaaf5902772/library/core/src/panic/unwind_safe.rs:275:9
[INFO] [stdout]   41:     0x5c98f9e63712 - std[73adb7dc35730857]::panicking::catch_unwind::do_call::<core[6883ba1bc0fe4ed1]::panic::unwind_safe::AssertUnwindSafe<std[73adb7dc35730857]::thread::lifecycle::spawn_unchecked<test[980ffaebd391d06d]::run_test::{closure#1}, ()>::{closure#1}::{closure#0}>, ()>
[INFO] [stdout]                                at /rustc/6b3fa26749ab40e159b2dd5cf577acaaf5902772/library/std/src/panicking.rs:576:43
[INFO] [stdout]   42:     0x5c98f9e63712 - std[73adb7dc35730857]::panicking::catch_unwind::<(), core[6883ba1bc0fe4ed1]::panic::unwind_safe::AssertUnwindSafe<std[73adb7dc35730857]::thread::lifecycle::spawn_unchecked<test[980ffaebd391d06d]::run_test::{closure#1}, ()>::{closure#1}::{closure#0}>>
[INFO] [stdout]                                at /rustc/6b3fa26749ab40e159b2dd5cf577acaaf5902772/library/std/src/panicking.rs:544:19
[INFO] [stdout]   43:     0x5c98f9e63712 - std[73adb7dc35730857]::panic::catch_unwind::<core[6883ba1bc0fe4ed1]::panic::unwind_safe::AssertUnwindSafe<std[73adb7dc35730857]::thread::lifecycle::spawn_unchecked<test[980ffaebd391d06d]::run_test::{closure#1}, ()>::{closure#1}::{closure#0}>, ()>
[INFO] [stdout]                                at /rustc/6b3fa26749ab40e159b2dd5cf577acaaf5902772/library/std/src/panic.rs:359:14
[INFO] [stdout]   44:     0x5c98f9e63712 - std[73adb7dc35730857]::thread::lifecycle::spawn_unchecked::<test[980ffaebd391d06d]::run_test::{closure#1}, ()>::{closure#1}
[INFO] [stdout]                                at /rustc/6b3fa26749ab40e159b2dd5cf577acaaf5902772/library/std/src/thread/lifecycle.rs:68:26
[INFO] [stdout]   45:     0x5c98f9e63712 - <std[73adb7dc35730857]::thread::lifecycle::spawn_unchecked<test[980ffaebd391d06d]::run_test::{closure#1}, ()>::{closure#1} as core[6883ba1bc0fe4ed1]::ops::function::FnOnce<()>>::call_once::{shim:vtable#0}
[INFO] [stdout]                                at /rustc/6b3fa26749ab40e159b2dd5cf577acaaf5902772/library/core/src/ops/function.rs:250:5
[INFO] [stdout]   46:     0x5c98fa0d44af - <alloc[55a36b64bcbf2c0d]::boxed::Box<dyn core[6883ba1bc0fe4ed1]::ops::function::FnOnce<(), Output = ()> + core[6883ba1bc0fe4ed1]::marker::Send> as core[6883ba1bc0fe4ed1]::ops::function::FnOnce<()>>::call_once
[INFO] [stdout]                                at /rustc/6b3fa26749ab40e159b2dd5cf577acaaf5902772/library/alloc/src/boxed.rs:2319:9
[INFO] [stdout]   47:     0x5c98fa0d44af - <std[73adb7dc35730857]::sys::thread::unix::Thread>::new::thread_start
[INFO] [stdout]                                at /rustc/6b3fa26749ab40e159b2dd5cf577acaaf5902772/library/std/src/sys/thread/unix.rs:123:17
[INFO] [stdout]   48:     0x718092357aa4 - <unknown>
[INFO] [stdout]   49:     0x7180923e4a64 - clone
[INFO] [stdout]   50:                0x0 - <unknown>
[INFO] [stdout] 
[INFO] [stdout] ---- head::ten_n4_stdin stdout ----
[INFO] [stdout] 
[INFO] [stdout] thread 'head::ten_n4_stdin' (3268) panicked at /rustc/6b3fa26749ab40e159b2dd5cf577acaaf5902772/library/core/src/ops/function.rs:250:5:
[INFO] [stdout] Unexpected stdout, failed var == [
[INFO] [stdout]     111,
[INFO] [stdout]     110,
[INFO] [stdout]     101,
[INFO] [stdout]     10,
[INFO] [stdout]     116,
[INFO] [stdout]     119,
[INFO] [stdout]     111,
[INFO] [stdout]     10,
[INFO] [stdout]     116,
[INFO] [stdout]     104,
[INFO] [stdout]     114,
[INFO] [stdout]     101,
[INFO] [stdout]     101,
[INFO] [stdout]     10,
[INFO] [stdout]     102,
[INFO] [stdout]     111,
[INFO] [stdout]     117,
[INFO] [stdout]     114,
[INFO] [stdout]     10,
[INFO] [stdout] ]
[INFO] [stdout] └── var: []
[INFO] [stdout] 
[INFO] [stdout] command=`"/opt/rustwide/target/debug/head" "-n" "4"`
[INFO] [stdout] stdin=````
[INFO] [stdout] one
[INFO] [stdout] two
[INFO] [stdout] three
[INFO] [stdout] four
[INFO] [stdout] five
[INFO] [stdout] six
[INFO] [stdout] seven
[INFO] [stdout] eight
[INFO] [stdout] nine
[INFO] [stdout] ten
[INFO] [stdout] ```
[INFO] [stdout] `
[INFO] [stdout] code=101
[INFO] [stdout] stdout=""
[INFO] [stdout] stderr=<90 lines total>
[INFO] [stdout] ```
[INFO] [stdout] 
[INFO] [stdout] thread \'main\' (3274) panicked at /opt/rustwide/cargo-home/registry/src/index.crates.io-1949cf8c6b5b557f/clap-3.2.25/src/parser/matches/arg_matches.rs:547:22:
[INFO] [stdout] Must use `Arg::allow_invalid_utf8` with `_os` lookups at `files`
[INFO] [stdout] stack backtrace:
[INFO] [stdout]    0:     0x5dfe2d6a5601 - std[73adb7dc35730857]::backtrace_rs::backtrace::libunwind::trace
[INFO] [stdout]                                at /rustc/6b3fa26749ab40e159b2dd5cf577acaaf5902772/library/std/src/../../backtrace/src/backtrace/libunwind.rs:117:9
[INFO] [stdout]    1:     0x5dfe2d6a5601 - std[73adb7dc35730857]::backtrace_rs::backtrace::trace_unsynchronized::<std[73adb7dc35730857]::sys::backtrace::_print_fmt::{closure#1}>
[INFO] [stdout]                                at /rustc/6b3fa26749ab40e159b2dd5cf577acaaf5902772/library/std/src/../../backtrace/src/backtrace/mod.rs:66:14
[INFO] [stdout]    2:     0x5dfe2d6a5601 - std[73adb7dc35730857]::sys::backtrace::_print_fmt
[INFO] [stdout]                                at /rustc/6b3fa26749ab40e159b2dd5cf577acaaf5902772/library/std/src/sys/backtrace.rs:74:9
[INFO] [stdout]    3:     0x5dfe2d6a5601 - <<std[73adb7dc35730857]::sys::backtrace::BacktraceLock>::print::DisplayBacktrace as core[6883ba1bc0fe4ed1]::fmt::Display>::fmt
[INFO] [stdout]                                at /rustc/6b3fa26749ab40e159b2dd5cf577acaaf5902772/library/std/src/sys/backtrace.rs:44:26
[INFO] [stdout]    4:     0x5dfe2d6b928a - <core[6883ba1bc0fe4ed1]::fmt::rt::Argument>::fmt
[INFO] [stdout]                                at /rustc/6b3fa26749ab40e159b2dd5cf577acaaf5902772/library/core/src/fmt/rt.rs:152:76
[INFO] [stdout]    5:     0x5dfe2d6b928a - core[6883ba1bc0fe4ed1]::fmt::write
[INFO] [stdout]    6:     0x5dfe2d6aacec - std[73adb7dc35730857]::io::default_write_fmt::<std[73adb7dc35730857]::sys::stdio::unix::Stderr>
[INFO] [stdout]                                at /rustc/6b3fa26749ab40e159b2dd5cf577acaaf5902772/library/std/src/io/mod.rs:626:11
[INFO] [stdout]    7:     0x5dfe2d6aacec - <std[73adb7dc35730857]::sys::stdio::unix::Stderr as std[73adb7dc35730857]::io::Write>::write_fmt
[INFO] [stdout]                                at /rustc/6b3fa26749ab40e159b2dd5cf577acaaf5902772/library/std/src/io/mod.rs:1730:13
[INFO] [stdout]    8:     0x5dfe2d68fe16 - <std[73adb7dc35730857]::sys::backtrace::BacktraceLock>::print
[INFO] [stdout] ```
[INFO] [stdout] <30 lines omitted>
[INFO] [stdout] ```
[INFO] [stdout]                                at /rustc/6b3fa26749ab40e159b2dd5cf577acaaf5902772/library/alloc/src/vec/mod.rs:3941:9
[INFO] [stdout]   24:     0x5dfe2d53f08e - <core[6883ba1bc0fe4ed1]::iter::adapters::map::Map<core[6883ba1bc0fe4ed1]::iter::adapters::flatten::Flatten<core[6883ba1bc0fe4ed1]::slice::iter::Iter<alloc[55a36b64bcbf2c0d]::vec::Vec<clap[965b0170b9d3cf34]::parser::matches::any_value::AnyValue>>>, <clap[965b0170b9d3cf34]::parser::matches::arg_matches::ArgMatches>::values_of_lossy<&str>::{closure#0}> as core[6883ba1bc0fe4ed1]::iter::traits::iterator::Iterator>::collect::<alloc[55a36b64bcbf2c0d]::vec::Vec<alloc[55a36b64bcbf2c0d]::string::String>>
[INFO] [stdout]                                at /rustc/6b3fa26749ab40e159b2dd5cf577acaaf5902772/library/core/src/iter/traits/iterator.rs:2090:9
[INFO] [stdout]   25:     0x5dfe2d539166 - <clap[965b0170b9d3cf34]::parser::matches::arg_matches::ArgMatches>::values_of_lossy::<&str>
[INFO] [stdout]                                at /opt/rustwide/cargo-home/registry/src/index.crates.io-1949cf8c6b5b557f/clap-3.2.25/src/parser/matches/arg_matches.rs:548:14
[INFO] [stdout]   26:     0x5dfe2d54318b - command_line_rust[2a7d65b3375657d0]::head::get_args
[INFO] [stdout]                                at /opt/rustwide/workdir/src/head/mod.rs:92:24
[INFO] [stdout]   27:     0x5dfe2d538ad2 - head[5f62c2f9cff836a0]::main
[INFO] [stdout]                                at /opt/rustwide/workdir/src/head/main.rs:4:21
[INFO] [stdout]   28:     0x5dfe2d538beb - <fn() as core[6883ba1bc0fe4ed1]::ops::function::FnOnce<()>>::call_once
[INFO] [stdout]                                at /rustc/6b3fa26749ab40e159b2dd5cf577acaaf5902772/library/core/src/ops/function.rs:250:5
[INFO] [stdout]   29:     0x5dfe2d538a5e - std[73adb7dc35730857]::sys::backtrace::__rust_begin_short_backtrace::<fn(), ()>
[INFO] [stdout]                                at /rustc/6b3fa26749ab40e159b2dd5cf577acaaf5902772/library/std/src/sys/backtrace.rs:166:18
[INFO] [stdout]   30:     0x5dfe2d538a81 - std[73adb7dc35730857]::rt::lang_start::<()>::{closure#0}
[INFO] [stdout]                                at /rustc/6b3fa26749ab40e159b2dd5cf577acaaf5902772/library/std/src/rt.rs:206:18
[INFO] [stdout]   31:     0x5dfe2d6a0547 - <&dyn core[6883ba1bc0fe4ed1]::ops::function::Fn<(), Output = i32> + core[6883ba1bc0fe4ed1]::panic::unwind_safe::RefUnwindSafe + core[6883ba1bc0fe4ed1]::marker::Sync as core[6883ba1bc0fe4ed1]::ops::function::FnOnce<()>>::call_once
[INFO] [stdout]                                at /rustc/6b3fa26749ab40e159b2dd5cf577acaaf5902772/library/core/src/ops/function.rs:287:21
[INFO] [stdout]   32:     0x5dfe2d6a0547 - std[73adb7dc35730857]::panicking::catch_unwind::do_call::<&dyn core[6883ba1bc0fe4ed1]::ops::function::Fn<(), Output = i32> + core[6883ba1bc0fe4ed1]::panic::unwind_safe::RefUnwindSafe + core[6883ba1bc0fe4ed1]::marker::Sync, i32>
[INFO] [stdout]                                at /rustc/6b3fa26749ab40e159b2dd5cf577acaaf5902772/library/std/src/panicking.rs:576:43
[INFO] [stdout]   33:     0x5dfe2d6a0547 - std[73adb7dc35730857]::panicking::catch_unwind::<i32, &dyn core[6883ba1bc0fe4ed1]::ops::function::Fn<(), Output = i32> + core[6883ba1bc0fe4ed1]::panic::unwind_safe::RefUnwindSafe + core[6883ba1bc0fe4ed1]::marker::Sync>
[INFO] [stdout]                                at /rustc/6b3fa26749ab40e159b2dd5cf577acaaf5902772/library/std/src/panicking.rs:544:19
[INFO] [stdout]   34:     0x5dfe2d6a0547 - std[73adb7dc35730857]::panic::catch_unwind::<&dyn core[6883ba1bc0fe4ed1]::ops::function::Fn<(), Output = i32> + core[6883ba1bc0fe4ed1]::panic::unwind_safe::RefUnwindSafe + core[6883ba1bc0fe4ed1]::marker::Sync, i32>
[INFO] [stdout]                                at /rustc/6b3fa26749ab40e159b2dd5cf577acaaf5902772/library/std/src/panic.rs:359:14
[INFO] [stdout]   35:     0x5dfe2d6a0547 - std[73adb7dc35730857]::rt::lang_start_internal::{closure#0}
[INFO] [stdout]                                at /rustc/6b3fa26749ab40e159b2dd5cf577acaaf5902772/library/std/src/rt.rs:175:24
[INFO] [stdout]   36:     0x5dfe2d6a0547 - std[73adb7dc35730857]::panicking::catch_unwind::do_call::<std[73adb7dc35730857]::rt::lang_start_internal::{closure#0}, isize>
[INFO] [stdout]                                at /rustc/6b3fa26749ab40e159b2dd5cf577acaaf5902772/library/std/src/panicking.rs:576:43
[INFO] [stdout]   37:     0x5dfe2d6a0547 - std[73adb7dc35730857]::panicking::catch_unwind::<isize, std[73adb7dc35730857]::rt::lang_start_internal::{closure#0}>
[INFO] [stdout]                                at /rustc/6b3fa26749ab40e159b2dd5cf577acaaf5902772/library/std/src/panicking.rs:544:19
[INFO] [stdout]   38:     0x5dfe2d6a0547 - std[73adb7dc35730857]::panic::catch_unwind::<std[73adb7dc35730857]::rt::lang_start_internal::{closure#0}, isize>
[INFO] [stdout]                                at /rustc/6b3fa26749ab40e159b2dd5cf577acaaf5902772/library/std/src/panic.rs:359:14
[INFO] [stdout]   39:     0x5dfe2d6a0547 - std[73adb7dc35730857]::rt::lang_start_internal
[INFO] [stdout]                                at /rustc/6b3fa26749ab40e159b2dd5cf577acaaf5902772/library/std/src/rt.rs:171:5
[INFO] [stdout]   40:     0x5dfe2d538a47 - std[73adb7dc35730857]::rt::lang_start::<()>
[INFO] [stdout]                                at /rustc/6b3fa26749ab40e159b2dd5cf577acaaf5902772/library/std/src/rt.rs:205:5
[INFO] [stdout]   41:     0x5dfe2d538c7e - main
[INFO] [stdout]   42:     0x7116757ec1ca - <unknown>
[INFO] [stdout]   43:     0x7116757ec28b - __libc_start_main
[INFO] [stdout]   44:     0x5dfe2d5388a5 - _start
[INFO] [stdout]   45:                0x0 - <unknown>
[INFO] [stdout] ```
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] stack backtrace:
[INFO] [stdout]    0:     0x5c98fa0d5011 - std[73adb7dc35730857]::backtrace_rs::backtrace::libunwind::trace
[INFO] [stdout]                                at /rustc/6b3fa26749ab40e159b2dd5cf577acaaf5902772/library/std/src/../../backtrace/src/backtrace/libunwind.rs:117:9
[INFO] [stdout]    1:     0x5c98fa0d5011 - std[73adb7dc35730857]::backtrace_rs::backtrace::trace_unsynchronized::<std[73adb7dc35730857]::sys::backtrace::_print_fmt::{closure#1}>
[INFO] [stdout]                                at /rustc/6b3fa26749ab40e159b2dd5cf577acaaf5902772/library/std/src/../../backtrace/src/backtrace/mod.rs:66:14
[INFO] [stdout]    2:     0x5c98fa0d5011 - std[73adb7dc35730857]::sys::backtrace::_print_fmt
[INFO] [stdout]                                at /rustc/6b3fa26749ab40e159b2dd5cf577acaaf5902772/library/std/src/sys/backtrace.rs:74:9
[INFO] [stdout]    3:     0x5c98fa0d5011 - <<std[73adb7dc35730857]::sys::backtrace::BacktraceLock>::print::DisplayBacktrace as core[6883ba1bc0fe4ed1]::fmt::Display>::fmt
[INFO] [stdout]                                at /rustc/6b3fa26749ab40e159b2dd5cf577acaaf5902772/library/std/src/sys/backtrace.rs:44:26
[INFO] [stdout]    4:     0x5c98fa0eb71a - <core[6883ba1bc0fe4ed1]::fmt::rt::Argument>::fmt
[INFO] [stdout]                                at /rustc/6b3fa26749ab40e159b2dd5cf577acaaf5902772/library/core/src/fmt/rt.rs:152:76
[INFO] [stdout]    5:     0x5c98fa0eb71a - core[6883ba1bc0fe4ed1]::fmt::write
[INFO] [stdout]    6:     0x5c98fa0da99c - std[73adb7dc35730857]::io::default_write_fmt::<alloc[55a36b64bcbf2c0d]::vec::Vec<u8>>
[INFO] [stdout]                                at /rustc/6b3fa26749ab40e159b2dd5cf577acaaf5902772/library/std/src/io/mod.rs:626:11
[INFO] [stdout]    7:     0x5c98fa0da99c - <alloc[55a36b64bcbf2c0d]::vec::Vec<u8> as std[73adb7dc35730857]::io::Write>::write_fmt
[INFO] [stdout]                                at /rustc/6b3fa26749ab40e159b2dd5cf577acaaf5902772/library/std/src/io/mod.rs:1730:13
[INFO] [stdout]    8:     0x5c98fa0b2986 - <std[73adb7dc35730857]::sys::backtrace::BacktraceLock>::print
[INFO] [stdout]                                at /rustc/6b3fa26749ab40e159b2dd5cf577acaaf5902772/library/std/src/sys/backtrace.rs:47:9
[INFO] [stdout]    9:     0x5c98fa0b2986 - std[73adb7dc35730857]::panicking::default_hook::{closure#0}
[INFO] [stdout]                                at /rustc/6b3fa26749ab40e159b2dd5cf577acaaf5902772/library/std/src/panicking.rs:292:27
[INFO] [stdout]   10:     0x5c98fa0ccd09 - std[73adb7dc35730857]::panicking::default_hook
[INFO] [stdout]                                at /rustc/6b3fa26749ab40e159b2dd5cf577acaaf5902772/library/std/src/panicking.rs:316:9
[INFO] [stdout]   11:     0x5c98f9e5fc40 - <alloc[55a36b64bcbf2c0d]::boxed::Box<dyn for<'a, 'b> core[6883ba1bc0fe4ed1]::ops::function::Fn<(&'a std[73adb7dc35730857]::panic::PanicHookInfo<'b>,), Output = ()> + core[6883ba1bc0fe4ed1]::marker::Send + core[6883ba1bc0fe4ed1]::marker::Sync> as core[6883ba1bc0fe4ed1]::ops::function::Fn<(&std[73adb7dc35730857]::panic::PanicHookInfo,)>>::call
[INFO] [stdout]                                at /rustc/6b3fa26749ab40e159b2dd5cf577acaaf5902772/library/alloc/src/boxed.rs:2333:9
[INFO] [stdout]   12:     0x5c98f9e5fc40 - test[980ffaebd391d06d]::test_main_inner::<test[980ffaebd391d06d]::test_main_static::{closure#0}>::{closure#0}
[INFO] [stdout]                                at /rustc/6b3fa26749ab40e159b2dd5cf577acaaf5902772/library/test/src/lib.rs:155:21
[INFO] [stdout]   13:     0x5c98fa0ccec2 - <alloc[55a36b64bcbf2c0d]::boxed::Box<dyn for<'a, 'b> core[6883ba1bc0fe4ed1]::ops::function::Fn<(&'a std[73adb7dc35730857]::panic::PanicHookInfo<'b>,), Output = ()> + core[6883ba1bc0fe4ed1]::marker::Send + core[6883ba1bc0fe4ed1]::marker::Sync> as core[6883ba1bc0fe4ed1]::ops::function::Fn<(&std[73adb7dc35730857]::panic::PanicHookInfo,)>>::call
[INFO] [stdout]                                at /rustc/6b3fa26749ab40e159b2dd5cf577acaaf5902772/library/alloc/src/boxed.rs:2333:9
[INFO] [stdout]   14:     0x5c98fa0ccec2 - std[73adb7dc35730857]::panicking::panic_with_hook
[INFO] [stdout]                                at /rustc/6b3fa26749ab40e159b2dd5cf577acaaf5902772/library/std/src/panicking.rs:823:13
[INFO] [stdout]   15:     0x5c98fa0b2a32 - std[73adb7dc35730857]::panicking::panic_handler::{closure#0}
[INFO] [stdout]                                at /rustc/6b3fa26749ab40e159b2dd5cf577acaaf5902772/library/std/src/panicking.rs:688:13
[INFO] [stdout]   16:     0x5c98fa0aa1d9 - std[73adb7dc35730857]::sys::backtrace::__rust_end_short_backtrace::<std[73adb7dc35730857]::panicking::panic_handler::{closure#0}, !>
[INFO] [stdout]                                at /rustc/6b3fa26749ab40e159b2dd5cf577acaaf5902772/library/std/src/sys/backtrace.rs:182:18
[INFO] [stdout]   17:     0x5c98fa0b362d - __rustc[a7b7b02e776dd976]::rust_begin_unwind
[INFO] [stdout]                                at /rustc/6b3fa26749ab40e159b2dd5cf577acaaf5902772/library/std/src/panicking.rs:679:5
[INFO] [stdout]   18:     0x5c98fa0ebf9c - core[6883ba1bc0fe4ed1]::panicking::panic_fmt
[INFO] [stdout]                                at /rustc/6b3fa26749ab40e159b2dd5cf577acaaf5902772/library/core/src/panicking.rs:80:14
[INFO] [stdout]   19:     0x5c98fa03b8b8 - core[6883ba1bc0fe4ed1]::panicking::panic_display::<assert_cmd[35418449b5f7a4b8]::assert::AssertError>
[INFO] [stdout]                                at /rustc/6b3fa26749ab40e159b2dd5cf577acaaf5902772/library/core/src/panicking.rs:259:5
[INFO] [stdout]   20:     0x5c98fa0426c7 - <assert_cmd[35418449b5f7a4b8]::assert::AssertError>::panic::<assert_cmd[35418449b5f7a4b8]::assert::Assert>
[INFO] [stdout]                                at /opt/rustwide/cargo-home/registry/src/index.crates.io-1949cf8c6b5b557f/assert_cmd-2.0.11/src/assert.rs:1033:9
[INFO] [stdout]   21:     0x5c98fa038947 - <<assert_cmd[35418449b5f7a4b8]::assert::AssertError>::panic<assert_cmd[35418449b5f7a4b8]::assert::Assert> as core[6883ba1bc0fe4ed1]::ops::function::FnOnce<(assert_cmd[35418449b5f7a4b8]::assert::AssertError,)>>::call_once
[INFO] [stdout]                                at /rustc/6b3fa26749ab40e159b2dd5cf577acaaf5902772/library/core/src/ops/function.rs:250:5
[INFO] [stdout]   22:     0x5c98fa041dfb - <core[6883ba1bc0fe4ed1]::result::Result<assert_cmd[35418449b5f7a4b8]::assert::Assert, assert_cmd[35418449b5f7a4b8]::assert::AssertError>>::unwrap_or_else::<<assert_cmd[35418449b5f7a4b8]::assert::AssertError>::panic<assert_cmd[35418449b5f7a4b8]::assert::Assert>>
[INFO] [stdout]                                at /rustc/6b3fa26749ab40e159b2dd5cf577acaaf5902772/library/core/src/result.rs:1620:23
[INFO] [stdout]   23:     0x5c98f9e45014 - <assert_cmd[35418449b5f7a4b8]::assert::Assert>::stdout::<predicates[32cee55fc2d5e3e6]::ord::EqPredicate<&[u8]>, predicates[32cee55fc2d5e3e6]::ord::EqPredicate<&[u8]>>
[INFO] [stdout]                                at /opt/rustwide/cargo-home/registry/src/index.crates.io-1949cf8c6b5b557f/assert_cmd-2.0.11/src/assert.rs:364:31
[INFO] [stdout]   24:     0x5c98f9e4c803 - lib[ef69c164f1f8dd99]::head::run_stdin
[INFO] [stdout]                                at /opt/rustwide/workdir/tests/head/mod.rs:124:10
[INFO] [stdout]   25:     0x5c98f9e4cb5b - lib[ef69c164f1f8dd99]::head::ten_n4_stdin
[INFO] [stdout]                                at /opt/rustwide/workdir/tests/head/mod.rs:360:5
[INFO] [stdout]   26:     0x5c98f9e476c7 - lib[ef69c164f1f8dd99]::head::ten_n4_stdin::{closure#0}
[INFO] [stdout]                                at /opt/rustwide/workdir/tests/head/mod.rs:359:22
[INFO] [stdout]   27:     0x5c98f9e52096 - <lib[ef69c164f1f8dd99]::head::ten_n4_stdin::{closure#0} as core[6883ba1bc0fe4ed1]::ops::function::FnOnce<()>>::call_once
[INFO] [stdout]                                at /rustc/6b3fa26749ab40e159b2dd5cf577acaaf5902772/library/core/src/ops/function.rs:250:5
[INFO] [stdout]   28:     0x5c98f9e52f7b - <fn() -> core[6883ba1bc0fe4ed1]::result::Result<(), alloc[55a36b64bcbf2c0d]::string::String> as core[6883ba1bc0fe4ed1]::ops::function::FnOnce<()>>::call_once
[INFO] [stdout]                                at /rustc/6b3fa26749ab40e159b2dd5cf577acaaf5902772/library/core/src/ops/function.rs:250:5
[INFO] [stdout]   29:     0x5c98f9e52f7b - test[980ffaebd391d06d]::__rust_begin_short_backtrace::<core[6883ba1bc0fe4ed1]::result::Result<(), alloc[55a36b64bcbf2c0d]::string::String>, fn() -> core[6883ba1bc0fe4ed1]::result::Result<(), alloc[55a36b64bcbf2c0d]::string::String>>
[INFO] [stdout]                                at /rustc/6b3fa26749ab40e159b2dd5cf577acaaf5902772/library/test/src/lib.rs:724:18
[INFO] [stdout]   30:     0x5c98f9e605c5 - test[980ffaebd391d06d]::run_test_in_process::{closure#0}
[INFO] [stdout]                                at /rustc/6b3fa26749ab40e159b2dd5cf577acaaf5902772/library/test/src/lib.rs:747:74
[INFO] [stdout]   31:     0x5c98f9e605c5 - <core[6883ba1bc0fe4ed1]::panic::unwind_safe::AssertUnwindSafe<test[980ffaebd391d06d]::run_test_in_process::{closure#0}> as core[6883ba1bc0fe4ed1]::ops::function::FnOnce<()>>::call_once
[INFO] [stdout]                                at /rustc/6b3fa26749ab40e159b2dd5cf577acaaf5902772/library/core/src/panic/unwind_safe.rs:275:9
[INFO] [stdout]   32:     0x5c98f9e605c5 - std[73adb7dc35730857]::panicking::catch_unwind::do_call::<core[6883ba1bc0fe4ed1]::panic::unwind_safe::AssertUnwindSafe<test[980ffaebd391d06d]::run_test_in_process::{closure#0}>, core[6883ba1bc0fe4ed1]::result::Result<(), alloc[55a36b64bcbf2c0d]::string::String>>
[INFO] [stdout]                                at /rustc/6b3fa26749ab40e159b2dd5cf577acaaf5902772/library/std/src/panicking.rs:576:43
[INFO] [stdout]   33:     0x5c98f9e605c5 - std[73adb7dc35730857]::panicking::catch_unwind::<core[6883ba1bc0fe4ed1]::result::Result<(), alloc[55a36b64bcbf2c0d]::string::String>, core[6883ba1bc0fe4ed1]::panic::unwind_safe::AssertUnwindSafe<test[980ffaebd391d06d]::run_test_in_process::{closure#0}>>
[INFO] [stdout]                                at /rustc/6b3fa26749ab40e159b2dd5cf577acaaf5902772/library/std/src/panicking.rs:544:19
[INFO] [stdout]   34:     0x5c98f9e605c5 - std[73adb7dc35730857]::panic::catch_unwind::<core[6883ba1bc0fe4ed1]::panic::unwind_safe::AssertUnwindSafe<test[980ffaebd391d06d]::run_test_in_process::{closure#0}>, core[6883ba1bc0fe4ed1]::result::Result<(), alloc[55a36b64bcbf2c0d]::string::String>>
[INFO] [stdout]                                at /rustc/6b3fa26749ab40e159b2dd5cf577acaaf5902772/library/std/src/panic.rs:359:14
[INFO] [stdout]   35:     0x5c98f9e605c5 - test[980ffaebd391d06d]::run_test_in_process
[INFO] [stdout]                                at /rustc/6b3fa26749ab40e159b2dd5cf577acaaf5902772/library/test/src/lib.rs:747:27
[INFO] [stdout]   36:     0x5c98f9e605c5 - test[980ffaebd391d06d]::run_test::{closure#0}
[INFO] [stdout]                                at /rustc/6b3fa26749ab40e159b2dd5cf577acaaf5902772/library/test/src/lib.rs:668:43
[INFO] [stdout]   37:     0x5c98f9e5b074 - test[980ffaebd391d06d]::run_test::{closure#1}
[INFO] [stdout]                                at /rustc/6b3fa26749ab40e159b2dd5cf577acaaf5902772/library/test/src/lib.rs:698:41
[INFO] [stdout]   38:     0x5c98f9e5b074 - std[73adb7dc35730857]::sys::backtrace::__rust_begin_short_backtrace::<test[980ffaebd391d06d]::run_test::{closure#1}, ()>
[INFO] [stdout]                                at /rustc/6b3fa26749ab40e159b2dd5cf577acaaf5902772/library/std/src/sys/backtrace.rs:166:18
[INFO] [stdout]   39:     0x5c98f9e63712 - std[73adb7dc35730857]::thread::lifecycle::spawn_unchecked::<test[980ffaebd391d06d]::run_test::{closure#1}, ()>::{closure#1}::{closure#0}
[INFO] [stdout]                                at /rustc/6b3fa26749ab40e159b2dd5cf577acaaf5902772/library/std/src/thread/lifecycle.rs:70:13
[INFO] [stdout]   40:     0x5c98f9e63712 - <core[6883ba1bc0fe4ed1]::panic::unwind_safe::AssertUnwindSafe<std[73adb7dc35730857]::thread::lifecycle::spawn_unchecked<test[980ffaebd391d06d]::run_test::{closure#1}, ()>::{closure#1}::{closure#0}> as core[6883ba1bc0fe4ed1]::ops::function::FnOnce<()>>::call_once
[INFO] [stdout]                                at /rustc/6b3fa26749ab40e159b2dd5cf577acaaf5902772/library/core/src/panic/unwind_safe.rs:275:9
[INFO] [stdout]   41:     0x5c98f9e63712 - std[73adb7dc35730857]::panicking::catch_unwind::do_call::<core[6883ba1bc0fe4ed1]::panic::unwind_safe::AssertUnwindSafe<std[73adb7dc35730857]::thread::lifecycle::spawn_unchecked<test[980ffaebd391d06d]::run_test::{closure#1}, ()>::{closure#1}::{closure#0}>, ()>
[INFO] [stdout]                                at /rustc/6b3fa26749ab40e159b2dd5cf577acaaf5902772/library/std/src/panicking.rs:576:43
[INFO] [stdout]   42:     0x5c98f9e63712 - std[73adb7dc35730857]::panicking::catch_unwind::<(), core[6883ba1bc0fe4ed1]::panic::unwind_safe::AssertUnwindSafe<std[73adb7dc35730857]::thread::lifecycle::spawn_unchecked<test[980ffaebd391d06d]::run_test::{closure#1}, ()>::{closure#1}::{closure#0}>>
[INFO] [stdout]                                at /rustc/6b3fa26749ab40e159b2dd5cf577acaaf5902772/library/std/src/panicking.rs:544:19
[INFO] [stdout]   43:     0x5c98f9e63712 - std[73adb7dc35730857]::panic::catch_unwind::<core[6883ba1bc0fe4ed1]::panic::unwind_safe::AssertUnwindSafe<std[73adb7dc35730857]::thread::lifecycle::spawn_unchecked<test[980ffaebd391d06d]::run_test::{closure#1}, ()>::{closure#1}::{closure#0}>, ()>
[INFO] [stdout]                                at /rustc/6b3fa26749ab40e159b2dd5cf577acaaf5902772/library/std/src/panic.rs:359:14
[INFO] [stdout]   44:     0x5c98f9e63712 - std[73adb7dc35730857]::thread::lifecycle::spawn_unchecked::<test[980ffaebd391d06d]::run_test::{closure#1}, ()>::{closure#1}
[INFO] [stdout]                                at /rustc/6b3fa26749ab40e159b2dd5cf577acaaf5902772/library/std/src/thread/lifecycle.rs:68:26
[INFO] [stdout]   45:     0x5c98f9e63712 - <std[73adb7dc35730857]::thread::lifecycle::spawn_unchecked<test[980ffaebd391d06d]::run_test::{closure#1}, ()>::{closure#1} as core[6883ba1bc0fe4ed1]::ops::function::FnOnce<()>>::call_once::{shim:vtable#0}
[INFO] [stdout]                                at /rustc/6b3fa26749ab40e159b2dd5cf577acaaf5902772/library/core/src/ops/function.rs:250:5
[INFO] [stdout]   46:     0x5c98fa0d44af - <alloc[55a36b64bcbf2c0d]::boxed::Box<dyn core[6883ba1bc0fe4ed1]::ops::function::FnOnce<(), Output = ()> + core[6883ba1bc0fe4ed1]::marker::Send> as core[6883ba1bc0fe4ed1]::ops::function::FnOnce<()>>::call_once
[INFO] [stdout]                                at /rustc/6b3fa26749ab40e159b2dd5cf577acaaf5902772/library/alloc/src/boxed.rs:2319:9
[INFO] [stdout]   47:     0x5c98fa0d44af - <std[73adb7dc35730857]::sys::thread::unix::Thread>::new::thread_start
[INFO] [stdout]                                at /rustc/6b3fa26749ab40e159b2dd5cf577acaaf5902772/library/std/src/sys/thread/unix.rs:123:17
[INFO] [stdout]   48:     0x718092357aa4 - <unknown>
[INFO] [stdout]   49:     0x7180923e4a64 - clone
[INFO] [stdout]   50:                0x0 - <unknown>
[INFO] [stdout] 
[INFO] [stdout] ---- head::three stdout ----
[INFO] [stdout] 
[INFO] [stdout] thread 'head::three' (3277) panicked at /rustc/6b3fa26749ab40e159b2dd5cf577acaaf5902772/library/core/src/ops/function.rs:250:5:
[INFO] [stdout] Unexpected failure.
[INFO] [stdout] code-101
[INFO] [stdout] stderr=```<90 lines total>
[INFO] [stdout] ```
[INFO] [stdout] 
[INFO] [stdout] thread \'main\' (3294) panicked at /opt/rustwide/cargo-home/registry/src/index.crates.io-1949cf8c6b5b557f/clap-3.2.25/src/parser/matches/arg_matches.rs:547:22:
[INFO] [stdout] Must use `Arg::allow_invalid_utf8` with `_os` lookups at `files`
[INFO] [stdout] stack backtrace:
[INFO] [stdout]    0:     0x62a281c2d601 - std[73adb7dc35730857]::backtrace_rs::backtrace::libunwind::trace
[INFO] [stdout]                                at /rustc/6b3fa26749ab40e159b2dd5cf577acaaf5902772/library/std/src/../../backtrace/src/backtrace/libunwind.rs:117:9
[INFO] [stdout]    1:     0x62a281c2d601 - std[73adb7dc35730857]::backtrace_rs::backtrace::trace_unsynchronized::<std[73adb7dc35730857]::sys::backtrace::_print_fmt::{closure#1}>
[INFO] [stdout]                                at /rustc/6b3fa26749ab40e159b2dd5cf577acaaf5902772/library/std/src/../../backtrace/src/backtrace/mod.rs:66:14
[INFO] [stdout]    2:     0x62a281c2d601 - std[73adb7dc35730857]::sys::backtrace::_print_fmt
[INFO] [stdout]                                at /rustc/6b3fa26749ab40e159b2dd5cf577acaaf5902772/library/std/src/sys/backtrace.rs:74:9
[INFO] [stdout]    3:     0x62a281c2d601 - <<std[73adb7dc35730857]::sys::backtrace::BacktraceLock>::print::DisplayBacktrace as core[6883ba1bc0fe4ed1]::fmt::Display>::fmt
[INFO] [stdout]                                at /rustc/6b3fa26749ab40e159b2dd5cf577acaaf5902772/library/std/src/sys/backtrace.rs:44:26
[INFO] [stdout]    4:     0x62a281c4128a - <core[6883ba1bc0fe4ed1]::fmt::rt::Argument>::fmt
[INFO] [stdout]                                at /rustc/6b3fa26749ab40e159b2dd5cf577acaaf5902772/library/core/src/fmt/rt.rs:152:76
[INFO] [stdout]    5:     0x62a281c4128a - core[6883ba1bc0fe4ed1]::fmt::write
[INFO] [stdout]    6:     0x62a281c32cec - std[73adb7dc35730857]::io::default_write_fmt::<std[73adb7dc35730857]::sys::stdio::unix::Stderr>
[INFO] [stdout]                                at /rustc/6b3fa26749ab40e159b2dd5cf577acaaf5902772/library/std/src/io/mod.rs:626:11
[INFO] [stdout]    7:     0x62a281c32cec - <std[73adb7dc35730857]::sys::stdio::unix::Stderr as std[73adb7dc35730857]::io::Write>::write_fmt
[INFO] [stdout]                                at /rustc/6b3fa26749ab40e159b2dd5cf577acaaf5902772/library/std/src/io/mod.rs:1730:13
[INFO] [stdout]    8:     0x62a281c17e16 - <std[73adb7dc35730857]::sys::backtrace::BacktraceLock>::print
[INFO] [stdout] ```
[INFO] [stdout] <30 lines omitted>
[INFO] [stdout] ```
[INFO] [stdout]                                at /rustc/6b3fa26749ab40e159b2dd5cf577acaaf5902772/library/alloc/src/vec/mod.rs:3941:9
[INFO] [stdout]   24:     0x62a281ac708e - <core[6883ba1bc0fe4ed1]::iter::adapters::map::Map<core[6883ba1bc0fe4ed1]::iter::adapters::flatten::Flatten<core[6883ba1bc0fe4ed1]::slice::iter::Iter<alloc[55a36b64bcbf2c0d]::vec::Vec<clap[965b0170b9d3cf34]::parser::matches::any_value::AnyValue>>>, <clap[965b0170b9d3cf34]::parser::matches::arg_matches::ArgMatches>::values_of_lossy<&str>::{closure#0}> as core[6883ba1bc0fe4ed1]::iter::traits::iterator::Iterator>::collect::<alloc[55a36b64bcbf2c0d]::vec::Vec<alloc[55a36b64bcbf2c0d]::string::String>>
[INFO] [stdout]                                at /rustc/6b3fa26749ab40e159b2dd5cf577acaaf5902772/library/core/src/iter/traits/iterator.rs:2090:9
[INFO] [stdout]   25:     0x62a281ac1166 - <clap[965b0170b9d3cf34]::parser::matches::arg_matches::ArgMatches>::values_of_lossy::<&str>
[INFO] [stdout]                                at /opt/rustwide/cargo-home/registry/src/index.crates.io-1949cf8c6b5b557f/clap-3.2.25/src/parser/matches/arg_matches.rs:548:14
[INFO] [stdout]   26:     0x62a281acb18b - command_line_rust[2a7d65b3375657d0]::head::get_args
[INFO] [stdout]                                at /opt/rustwide/workdir/src/head/mod.rs:92:24
[INFO] [stdout]   27:     0x62a281ac0ad2 - head[5f62c2f9cff836a0]::main
[INFO] [stdout]                                at /opt/rustwide/workdir/src/head/main.rs:4:21
[INFO] [stdout]   28:     0x62a281ac0beb - <fn() as core[6883ba1bc0fe4ed1]::ops::function::FnOnce<()>>::call_once
[INFO] [stdout]                                at /rustc/6b3fa26749ab40e159b2dd5cf577acaaf5902772/library/core/src/ops/function.rs:250:5
[INFO] [stdout]   29:     0x62a281ac0a5e - std[73adb7dc35730857]::sys::backtrace::__rust_begin_short_backtrace::<fn(), ()>
[INFO] [stdout]                                at /rustc/6b3fa26749ab40e159b2dd5cf577acaaf5902772/library/std/src/sys/backtrace.rs:166:18
[INFO] [stdout]   30:     0x62a281ac0a81 - std[73adb7dc35730857]::rt::lang_start::<()>::{closure#0}
[INFO] [stdout]                                at /rustc/6b3fa26749ab40e159b2dd5cf577acaaf5902772/library/std/src/rt.rs:206:18
[INFO] [stdout]   31:     0x62a281c28547 - <&dyn core[6883ba1bc0fe4ed1]::ops::function::Fn<(), Output = i32> + core[6883ba1bc0fe4ed1]::panic::unwind_safe::RefUnwindSafe + core[6883ba1bc0fe4ed1]::marker::Sync as core[6883ba1bc0fe4ed1]::ops::function::FnOnce<()>>::call_once
[INFO] [stdout]                                at /rustc/6b3fa26749ab40e159b2dd5cf577acaaf5902772/library/core/src/ops/function.rs:287:21
[INFO] [stdout]   32:     0x62a281c28547 - std[73adb7dc35730857]::panicking::catch_unwind::do_call::<&dyn core[6883ba1bc0fe4ed1]::ops::function::Fn<(), Output = i32> + core[6883ba1bc0fe4ed1]::panic::unwind_safe::RefUnwindSafe + core[6883ba1bc0fe4ed1]::marker::Sync, i32>
[INFO] [stdout]                                at /rustc/6b3fa26749ab40e159b2dd5cf577acaaf5902772/library/std/src/panicking.rs:576:43
[INFO] [stdout]   33:     0x62a281c28547 - std[73adb7dc35730857]::panicking::catch_unwind::<i32, &dyn core[6883ba1bc0fe4ed1]::ops::function::Fn<(), Output = i32> + core[6883ba1bc0fe4ed1]::panic::unwind_safe::RefUnwindSafe + core[6883ba1bc0fe4ed1]::marker::Sync>
[INFO] [stdout]                                at /rustc/6b3fa26749ab40e159b2dd5cf577acaaf5902772/library/std/src/panicking.rs:544:19
[INFO] [stdout]   34:     0x62a281c28547 - std[73adb7dc35730857]::panic::catch_unwind::<&dyn core[6883ba1bc0fe4ed1]::ops::function::Fn<(), Output = i32> + core[6883ba1bc0fe4ed1]::panic::unwind_safe::RefUnwindSafe + core[6883ba1bc0fe4ed1]::marker::Sync, i32>
[INFO] [stdout]                                at /rustc/6b3fa26749ab40e159b2dd5cf577acaaf5902772/library/std/src/panic.rs:359:14
[INFO] [stdout]   35:     0x62a281c28547 - std[73adb7dc35730857]::rt::lang_start_internal::{closure#0}
[INFO] [stdout]                                at /rustc/6b3fa26749ab40e159b2dd5cf577acaaf5902772/library/std/src/rt.rs:175:24
[INFO] [stdout]   36:     0x62a281c28547 - std[73adb7dc35730857]::panicking::catch_unwind::do_call::<std[73adb7dc35730857]::rt::lang_start_internal::{closure#0}, isize>
[INFO] [stdout]                                at /rustc/6b3fa26749ab40e159b2dd5cf577acaaf5902772/library/std/src/panicking.rs:576:43
[INFO] [stdout]   37:     0x62a281c28547 - std[73adb7dc35730857]::panicking::catch_unwind::<isize, std[73adb7dc35730857]::rt::lang_start_internal::{closure#0}>
[INFO] [stdout]                                at /rustc/6b3fa26749ab40e159b2dd5cf577acaaf5902772/library/std/src/panicking.rs:544:19
[INFO] [stdout]   38:     0x62a281c28547 - std[73adb7dc35730857]::panic::catch_unwind::<std[73adb7dc35730857]::rt::lang_start_internal::{closure#0}, isize>
[INFO] [stdout]                                at /rustc/6b3fa26749ab40e159b2dd5cf577acaaf5902772/library/std/src/panic.rs:359:14
[INFO] [stdout]   39:     0x62a281c28547 - std[73adb7dc35730857]::rt::lang_start_internal
[INFO] [stdout]                                at /rustc/6b3fa26749ab40e159b2dd5cf577acaaf5902772/library/std/src/rt.rs:171:5
[INFO] [stdout]   40:     0x62a281ac0a47 - std[73adb7dc35730857]::rt::lang_start::<()>
[INFO] [stdout]                                at /rustc/6b3fa26749ab40e159b2dd5cf577acaaf5902772/library/std/src/rt.rs:205:5
[INFO] [stdout]   41:     0x62a281ac0c7e - main
[INFO] [stdout]   42:     0x7659990271ca - <unknown>
[INFO] [stdout]   43:     0x76599902728b - __libc_start_main
[INFO] [stdout]   44:     0x62a281ac08a5 - _start
[INFO] [stdout]   45:                0x0 - <unknown>
[INFO] [stdout] ```
[INFO] [stdout] ```
[INFO] [stdout] command=`"/opt/rustwide/target/debug/head" "tests/head/inputs/three.txt"`
[INFO] [stdout] code=101
[INFO] [stdout] stdout=""
[INFO] [stdout] stderr=<90 lines total>
[INFO] [stdout] ```
[INFO] [stdout] 
[INFO] [stdout] thread \'main\' (3294) panicked at /opt/rustwide/cargo-home/registry/src/index.crates.io-1949cf8c6b5b557f/clap-3.2.25/src/parser/matches/arg_matches.rs:547:22:
[INFO] [stdout] Must use `Arg::allow_invalid_utf8` with `_os` lookups at `files`
[INFO] [stdout] stack backtrace:
[INFO] [stdout]    0:     0x62a281c2d601 - std[73adb7dc35730857]::backtrace_rs::backtrace::libunwind::trace
[INFO] [stdout]                                at /rustc/6b3fa26749ab40e159b2dd5cf577acaaf5902772/library/std/src/../../backtrace/src/backtrace/libunwind.rs:117:9
[INFO] [stdout]    1:     0x62a281c2d601 - std[73adb7dc35730857]::backtrace_rs::backtrace::trace_unsynchronized::<std[73adb7dc35730857]::sys::backtrace::_print_fmt::{closure#1}>
[INFO] [stdout]                                at /rustc/6b3fa26749ab40e159b2dd5cf577acaaf5902772/library/std/src/../../backtrace/src/backtrace/mod.rs:66:14
[INFO] [stdout]    2:     0x62a281c2d601 - std[73adb7dc35730857]::sys::backtrace::_print_fmt
[INFO] [stdout]                                at /rustc/6b3fa26749ab40e159b2dd5cf577acaaf5902772/library/std/src/sys/backtrace.rs:74:9
[INFO] [stdout]    3:     0x62a281c2d601 - <<std[73adb7dc35730857]::sys::backtrace::BacktraceLock>::print::DisplayBacktrace as core[6883ba1bc0fe4ed1]::fmt::Display>::fmt
[INFO] [stdout]                                at /rustc/6b3fa26749ab40e159b2dd5cf577acaaf5902772/library/std/src/sys/backtrace.rs:44:26
[INFO] [stdout]    4:     0x62a281c4128a - <core[6883ba1bc0fe4ed1]::fmt::rt::Argument>::fmt
[INFO] [stdout]                                at /rustc/6b3fa26749ab40e159b2dd5cf577acaaf5902772/library/core/src/fmt/rt.rs:152:76
[INFO] [stdout]    5:     0x62a281c4128a - core[6883ba1bc0fe4ed1]::fmt::write
[INFO] [stdout]    6:     0x62a281c32cec - std[73adb7dc35730857]::io::default_write_fmt::<std[73adb7dc35730857]::sys::stdio::unix::Stderr>
[INFO] [stdout]                                at /rustc/6b3fa26749ab40e159b2dd5cf577acaaf5902772/library/std/src/io/mod.rs:626:11
[INFO] [stdout]    7:     0x62a281c32cec - <std[73adb7dc35730857]::sys::stdio::unix::Stderr as std[73adb7dc35730857]::io::Write>::write_fmt
[INFO] [stdout]                                at /rustc/6b3fa26749ab40e159b2dd5cf577acaaf5902772/library/std/src/io/mod.rs:1730:13
[INFO] [stdout]    8:     0x62a281c17e16 - <std[73adb7dc35730857]::sys::backtrace::BacktraceLock>::print
[INFO] [stdout] ```
[INFO] [stdout] <30 lines omitted>
[INFO] [stdout] ```
[INFO] [stdout]                                at /rustc/6b3fa26749ab40e159b2dd5cf577acaaf5902772/library/alloc/src/vec/mod.rs:3941:9
[INFO] [stdout]   24:     0x62a281ac708e - <core[6883ba1bc0fe4ed1]::iter::adapters::map::Map<core[6883ba1bc0fe4ed1]::iter::adapters::flatten::Flatten<core[6883ba1bc0fe4ed1]::slice::iter::Iter<alloc[55a36b64bcbf2c0d]::vec::Vec<clap[965b0170b9d3cf34]::parser::matches::any_value::AnyValue>>>, <clap[965b0170b9d3cf34]::parser::matches::arg_matches::ArgMatches>::values_of_lossy<&str>::{closure#0}> as core[6883ba1bc0fe4ed1]::iter::traits::iterator::Iterator>::collect::<alloc[55a36b64bcbf2c0d]::vec::Vec<alloc[55a36b64bcbf2c0d]::string::String>>
[INFO] [stdout]                                at /rustc/6b3fa26749ab40e159b2dd5cf577acaaf5902772/library/core/src/iter/traits/iterator.rs:2090:9
[INFO] [stdout]   25:     0x62a281ac1166 - <clap[965b0170b9d3cf34]::parser::matches::arg_matches::ArgMatches>::values_of_lossy::<&str>
[INFO] [stdout]                                at /opt/rustwide/cargo-home/registry/src/index.crates.io-1949cf8c6b5b557f/clap-3.2.25/src/parser/matches/arg_matches.rs:548:14
[INFO] [stdout]   26:     0x62a281acb18b - command_line_rust[2a7d65b3375657d0]::head::get_args
[INFO] [stdout]                                at /opt/rustwide/workdir/src/head/mod.rs:92:24
[INFO] [stdout]   27:     0x62a281ac0ad2 - head[5f62c2f9cff836a0]::main
[INFO] [stdout]                                at /opt/rustwide/workdir/src/head/main.rs:4:21
[INFO] [stdout]   28:     0x62a281ac0beb - <fn() as core[6883ba1bc0fe4ed1]::ops::function::FnOnce<()>>::call_once
[INFO] [stdout]                                at /rustc/6b3fa26749ab40e159b2dd5cf577acaaf5902772/library/core/src/ops/function.rs:250:5
[INFO] [stdout]   29:     0x62a281ac0a5e - std[73adb7dc35730857]::sys::backtrace::__rust_begin_short_backtrace::<fn(), ()>
[INFO] [stdout]                                at /rustc/6b3fa26749ab40e159b2dd5cf577acaaf5902772/library/std/src/sys/backtrace.rs:166:18
[INFO] [stdout]   30:     0x62a281ac0a81 - std[73adb7dc35730857]::rt::lang_start::<()>::{closure#0}
[INFO] [stdout]                                at /rustc/6b3fa26749ab40e159b2dd5cf577acaaf5902772/library/std/src/rt.rs:206:18
[INFO] [stdout]   31:     0x62a281c28547 - <&dyn core[6883ba1bc0fe4ed1]::ops::function::Fn<(), Output = i32> + core[6883ba1bc0fe4ed1]::panic::unwind_safe::RefUnwindSafe + core[6883ba1bc0fe4ed1]::marker::Sync as core[6883ba1bc0fe4ed1]::ops::function::FnOnce<()>>::call_once
[INFO] [stdout]                                at /rustc/6b3fa26749ab40e159b2dd5cf577acaaf5902772/library/core/src/ops/function.rs:287:21
[INFO] [stdout]   32:     0x62a281c28547 - std[73adb7dc35730857]::panicking::catch_unwind::do_call::<&dyn core[6883ba1bc0fe4ed1]::ops::function::Fn<(), Output = i32> + core[6883ba1bc0fe4ed1]::panic::unwind_safe::RefUnwindSafe + core[6883ba1bc0fe4ed1]::marker::Sync, i32>
[INFO] [stdout]                                at /rustc/6b3fa26749ab40e159b2dd5cf577acaaf5902772/library/std/src/panicking.rs:576:43
[INFO] [stdout]   33:     0x62a281c28547 - std[73adb7dc35730857]::panicking::catch_unwind::<i32, &dyn core[6883ba1bc0fe4ed1]::ops::function::Fn<(), Output = i32> + core[6883ba1bc0fe4ed1]::panic::unwind_safe::RefUnwindSafe + core[6883ba1bc0fe4ed1]::marker::Sync>
[INFO] [stdout]                                at /rustc/6b3fa26749ab40e159b2dd5cf577acaaf5902772/library/std/src/panicking.rs:544:19
[INFO] [stdout]   34:     0x62a281c28547 - std[73adb7dc35730857]::panic::catch_unwind::<&dyn core[6883ba1bc0fe4ed1]::ops::function::Fn<(), Output = i32> + core[6883ba1bc0fe4ed1]::panic::unwind_safe::RefUnwindSafe + core[6883ba1bc0fe4ed1]::marker::Sync, i32>
[INFO] [stdout]                                at /rustc/6b3fa26749ab40e159b2dd5cf577acaaf5902772/library/std/src/panic.rs:359:14
[INFO] [stdout]   35:     0x62a281c28547 - std[73adb7dc35730857]::rt::lang_start_internal::{closure#0}
[INFO] [stdout]                                at /rustc/6b3fa26749ab40e159b2dd5cf577acaaf5902772/library/std/src/rt.rs:175:24
[INFO] [stdout]   36:     0x62a281c28547 - std[73adb7dc35730857]::panicking::catch_unwind::do_call::<std[73adb7dc35730857]::rt::lang_start_internal::{closure#0}, isize>
[INFO] [stdout]                                at /rustc/6b3fa26749ab40e159b2dd5cf577acaaf5902772/library/std/src/panicking.rs:576:43
[INFO] [stdout]   37:     0x62a281c28547 - std[73adb7dc35730857]::panicking::catch_unwind::<isize, std[73adb7dc35730857]::rt::lang_start_internal::{closure#0}>
[INFO] [stdout]                                at /rustc/6b3fa26749ab40e159b2dd5cf577acaaf5902772/library/std/src/panicking.rs:544:19
[INFO] [stdout]   38:     0x62a281c28547 - std[73adb7dc35730857]::panic::catch_unwind::<std[73adb7dc35730857]::rt::lang_start_internal::{closure#0}, isize>
[INFO] [stdout]                                at /rustc/6b3fa26749ab40e159b2dd5cf577acaaf5902772/library/std/src/panic.rs:359:14
[INFO] [stdout]   39:     0x62a281c28547 - std[73adb7dc35730857]::rt::lang_start_internal
[INFO] [stdout]                                at /rustc/6b3fa26749ab40e159b2dd5cf577acaaf5902772/library/std/src/rt.rs:171:5
[INFO] [stdout]   40:     0x62a281ac0a47 - std[73adb7dc35730857]::rt::lang_start::<()>
[INFO] [stdout]                                at /rustc/6b3fa26749ab40e159b2dd5cf577acaaf5902772/library/std/src/rt.rs:205:5
[INFO] [stdout]   41:     0x62a281ac0c7e - main
[INFO] [stdout]   42:     0x7659990271ca - <unknown>
[INFO] [stdout]   43:     0x76599902728b - __libc_start_main
[INFO] [stdout]   44:     0x62a281ac08a5 - _start
[INFO] [stdout]   45:                0x0 - <unknown>
[INFO] [stdout] ```
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] stack backtrace:
[INFO] [stdout]    0:     0x5c98fa0d5011 - std[73adb7dc35730857]::backtrace_rs::backtrace::libunwind::trace
[INFO] [stdout]                                at /rustc/6b3fa26749ab40e159b2dd5cf577acaaf5902772/library/std/src/../../backtrace/src/backtrace/libunwind.rs:117:9
[INFO] [stdout]    1:     0x5c98fa0d5011 - std[73adb7dc35730857]::backtrace_rs::backtrace::trace_unsynchronized::<std[73adb7dc35730857]::sys::backtrace::_print_fmt::{closure#1}>
[INFO] [stdout]                                at /rustc/6b3fa26749ab40e159b2dd5cf577acaaf5902772/library/std/src/../../backtrace/src/backtrace/mod.rs:66:14
[INFO] [stdout]    2:     0x5c98fa0d5011 - std[73adb7dc35730857]::sys::backtrace::_print_fmt
[INFO] [stdout]                                at /rustc/6b3fa26749ab40e159b2dd5cf577acaaf5902772/library/std/src/sys/backtrace.rs:74:9
[INFO] [stdout]    3:     0x5c98fa0d5011 - <<std[73adb7dc35730857]::sys::backtrace::BacktraceLock>::print::DisplayBacktrace as core[6883ba1bc0fe4ed1]::fmt::Display>::fmt
[INFO] [stdout]                                at /rustc/6b3fa26749ab40e159b2dd5cf577acaaf5902772/library/std/src/sys/backtrace.rs:44:26
[INFO] [stdout]    4:     0x5c98fa0eb71a - <core[6883ba1bc0fe4ed1]::fmt::rt::Argument>::fmt
[INFO] [stdout]                                at /rustc/6b3fa26749ab40e159b2dd5cf577acaaf5902772/library/core/src/fmt/rt.rs:152:76
[INFO] [stdout]    5:     0x5c98fa0eb71a - core[6883ba1bc0fe4ed1]::fmt::write
[INFO] [stdout]    6:     0x5c98fa0da99c - std[73adb7dc35730857]::io::default_write_fmt::<alloc[55a36b64bcbf2c0d]::vec::Vec<u8>>
[INFO] [stdout]                                at /rustc/6b3fa26749ab40e159b2dd5cf577acaaf5902772/library/std/src/io/mod.rs:626:11
[INFO] [stdout]    7:     0x5c98fa0da99c - <alloc[55a36b64bcbf2c0d]::vec::Vec<u8> as std[73adb7dc35730857]::io::Write>::write_fmt
[INFO] [stdout]                                at /rustc/6b3fa26749ab40e159b2dd5cf577acaaf5902772/library/std/src/io/mod.rs:1730:13
[INFO] [stdout]    8:     0x5c98fa0b2986 - <std[73adb7dc35730857]::sys::backtrace::BacktraceLock>::print
[INFO] [stdout]                                at /rustc/6b3fa26749ab40e159b2dd5cf577acaaf5902772/library/std/src/sys/backtrace.rs:47:9
[INFO] [stdout]    9:     0x5c98fa0b2986 - std[73adb7dc35730857]::panicking::default_hook::{closure#0}
[INFO] [stdout]                                at /rustc/6b3fa26749ab40e159b2dd5cf577acaaf5902772/library/std/src/panicking.rs:292:27
[INFO] [stdout]   10:     0x5c98fa0ccd09 - std[73adb7dc35730857]::panicking::default_hook
[INFO] [stdout]                                at /rustc/6b3fa26749ab40e159b2dd5cf577acaaf5902772/library/std/src/panicking.rs:316:9
[INFO] [stdout]   11:     0x5c98f9e5fc40 - <alloc[55a36b64bcbf2c0d]::boxed::Box<dyn for<'a, 'b> core[6883ba1bc0fe4ed1]::ops::function::Fn<(&'a std[73adb7dc35730857]::panic::PanicHookInfo<'b>,), Output = ()> + core[6883ba1bc0fe4ed1]::marker::Send + core[6883ba1bc0fe4ed1]::marker::Sync> as core[6883ba1bc0fe4ed1]::ops::function::Fn<(&std[73adb7dc35730857]::panic::PanicHookInfo,)>>::call
[INFO] [stdout]                                at /rustc/6b3fa26749ab40e159b2dd5cf577acaaf5902772/library/alloc/src/boxed.rs:2333:9
[INFO] [stdout]   12:     0x5c98f9e5fc40 - test[980ffaebd391d06d]::test_main_inner::<test[980ffaebd391d06d]::test_main_static::{closure#0}>::{closure#0}
[INFO] [stdout]                                at /rustc/6b3fa26749ab40e159b2dd5cf577acaaf5902772/library/test/src/lib.rs:155:21
[INFO] [stdout]   13:     0x5c98fa0ccec2 - <alloc[55a36b64bcbf2c0d]::boxed::Box<dyn for<'a, 'b> core[6883ba1bc0fe4ed1]::ops::function::Fn<(&'a std[73adb7dc35730857]::panic::PanicHookInfo<'b>,), Output = ()> + core[6883ba1bc0fe4ed1]::marker::Send + core[6883ba1bc0fe4ed1]::marker::Sync> as core[6883ba1bc0fe4ed1]::ops::function::Fn<(&std[73adb7dc35730857]::panic::PanicHookInfo,)>>::call
[INFO] [stdout]                                at /rustc/6b3fa26749ab40e159b2dd5cf577acaaf5902772/library/alloc/src/boxed.rs:2333:9
[INFO] [stdout]   14:     0x5c98fa0ccec2 - std[73adb7dc35730857]::panicking::panic_with_hook
[INFO] [stdout]                                at /rustc/6b3fa26749ab40e159b2dd5cf577acaaf5902772/library/std/src/panicking.rs:823:13
[INFO] [stdout]   15:     0x5c98fa0b2a32 - std[73adb7dc35730857]::panicking::panic_handler::{closure#0}
[INFO] [stdout]                                at /rustc/6b3fa26749ab40e159b2dd5cf577acaaf5902772/library/std/src/panicking.rs:688:13
[INFO] [stdout]   16:     0x5c98fa0aa1d9 - std[73adb7dc35730857]::sys::backtrace::__rust_end_short_backtrace::<std[73adb7dc35730857]::panicking::panic_handler::{closure#0}, !>
[INFO] [stdout]                                at /rustc/6b3fa26749ab40e159b2dd5cf577acaaf5902772/library/std/src/sys/backtrace.rs:182:18
[INFO] [stdout]   17:     0x5c98fa0b362d - __rustc[a7b7b02e776dd976]::rust_begin_unwind
[INFO] [stdout]                                at /rustc/6b3fa26749ab40e159b2dd5cf577acaaf5902772/library/std/src/panicking.rs:679:5
[INFO] [stdout]   18:     0x5c98fa0ebf9c - core[6883ba1bc0fe4ed1]::panicking::panic_fmt
[INFO] [stdout]                                at /rustc/6b3fa26749ab40e159b2dd5cf577acaaf5902772/library/core/src/panicking.rs:80:14
[INFO] [stdout]   19:     0x5c98fa03b8b8 - core[6883ba1bc0fe4ed1]::panicking::panic_display::<assert_cmd[35418449b5f7a4b8]::assert::AssertError>
[INFO] [stdout]                                at /rustc/6b3fa26749ab40e159b2dd5cf577acaaf5902772/library/core/src/panicking.rs:259:5
[INFO] [stdout]   20:     0x5c98fa0426c7 - <assert_cmd[35418449b5f7a4b8]::assert::AssertError>::panic::<assert_cmd[35418449b5f7a4b8]::assert::Assert>
[INFO] [stdout]                                at /opt/rustwide/cargo-home/registry/src/index.crates.io-1949cf8c6b5b557f/assert_cmd-2.0.11/src/assert.rs:1033:9
[INFO] [stdout]   21:     0x5c98fa038947 - <<assert_cmd[35418449b5f7a4b8]::assert::AssertError>::panic<assert_cmd[35418449b5f7a4b8]::assert::Assert> as core[6883ba1bc0fe4ed1]::ops::function::FnOnce<(assert_cmd[35418449b5f7a4b8]::assert::AssertError,)>>::call_once
[INFO] [stdout]                                at /rustc/6b3fa26749ab40e159b2dd5cf577acaaf5902772/library/core/src/ops/function.rs:250:5
[INFO] [stdout]   22:     0x5c98fa041dfb - <core[6883ba1bc0fe4ed1]::result::Result<assert_cmd[35418449b5f7a4b8]::assert::Assert, assert_cmd[35418449b5f7a4b8]::assert::AssertError>>::unwrap_or_else::<<assert_cmd[35418449b5f7a4b8]::assert::AssertError>::panic<assert_cmd[35418449b5f7a4b8]::assert::Assert>>
[INFO] [stdout]                                at /rustc/6b3fa26749ab40e159b2dd5cf577acaaf5902772/library/core/src/result.rs:1620:23
[INFO] [stdout]   23:     0x5c98fa0442a0 - <assert_cmd[35418449b5f7a4b8]::assert::Assert>::success
[INFO] [stdout]                                at /opt/rustwide/cargo-home/registry/src/index.crates.io-1949cf8c6b5b557f/assert_cmd-2.0.11/src/assert.rs:158:28
[INFO] [stdout]   24:     0x5c98f9e4c073 - lib[ef69c164f1f8dd99]::head::run
[INFO] [stdout]                                at /opt/rustwide/workdir/tests/head/mod.rs:105:10
[INFO] [stdout]   25:     0x5c98f9e4df1e - lib[ef69c164f1f8dd99]::head::three
[INFO] [stdout]                                at /opt/rustwide/workdir/tests/head/mod.rs:274:5
[INFO] [stdout]   26:     0x5c98f9e47b17 - lib[ef69c164f1f8dd99]::head::three::{closure#0}
[INFO] [stdout]                                at /opt/rustwide/workdir/tests/head/mod.rs:273:15
[INFO] [stdout]   27:     0x5c98f9e52656 - <lib[ef69c164f1f8dd99]::head::three::{closure#0} as core[6883ba1bc0fe4ed1]::ops::function::FnOnce<()>>::call_once
[INFO] [stdout]                                at /rustc/6b3fa26749ab40e159b2dd5cf577acaaf5902772/library/core/src/ops/function.rs:250:5
[INFO] [stdout]   28:     0x5c98f9e52f7b - <fn() -> core[6883ba1bc0fe4ed1]::result::Result<(), alloc[55a36b64bcbf2c0d]::string::String> as core[6883ba1bc0fe4ed1]::ops::function::FnOnce<()>>::call_once
[INFO] [stdout]                                at /rustc/6b3fa26749ab40e159b2dd5cf577acaaf5902772/library/core/src/ops/function.rs:250:5
[INFO] [stdout]   29:     0x5c98f9e52f7b - test[980ffaebd391d06d]::__rust_begin_short_backtrace::<core[6883ba1bc0fe4ed1]::result::Result<(), alloc[55a36b64bcbf2c0d]::string::String>, fn() -> core[6883ba1bc0fe4ed1]::result::Result<(), alloc[55a36b64bcbf2c0d]::string::String>>
[INFO] [stdout]                                at /rustc/6b3fa26749ab40e159b2dd5cf577acaaf5902772/library/test/src/lib.rs:724:18
[INFO] [stdout]   30:     0x5c98f9e605c5 - test[980ffaebd391d06d]::run_test_in_process::{closure#0}
[INFO] [stdout]                                at /rustc/6b3fa26749ab40e159b2dd5cf577acaaf5902772/library/test/src/lib.rs:747:74
[INFO] [stdout]   31:     0x5c98f9e605c5 - <core[6883ba1bc0fe4ed1]::panic::unwind_safe::AssertUnwindSafe<test[980ffaebd391d06d]::run_test_in_process::{closure#0}> as core[6883ba1bc0fe4ed1]::ops::function::FnOnce<()>>::call_once
[INFO] [stdout]                                at /rustc/6b3fa26749ab40e159b2dd5cf577acaaf5902772/library/core/src/panic/unwind_safe.rs:275:9
[INFO] [stdout]   32:     0x5c98f9e605c5 - std[73adb7dc35730857]::panicking::catch_unwind::do_call::<core[6883ba1bc0fe4ed1]::panic::unwind_safe::AssertUnwindSafe<test[980ffaebd391d06d]::run_test_in_process::{closure#0}>, core[6883ba1bc0fe4ed1]::result::Result<(), alloc[55a36b64bcbf2c0d]::string::String>>
[INFO] [stdout]                                at /rustc/6b3fa26749ab40e159b2dd5cf577acaaf5902772/library/std/src/panicking.rs:576:43
[INFO] [stdout]   33:     0x5c98f9e605c5 - std[73adb7dc35730857]::panicking::catch_unwind::<core[6883ba1bc0fe4ed1]::result::Result<(), alloc[55a36b64bcbf2c0d]::string::String>, core[6883ba1bc0fe4ed1]::panic::unwind_safe::AssertUnwindSafe<test[980ffaebd391d06d]::run_test_in_process::{closure#0}>>
[INFO] [stdout]                                at /rustc/6b3fa26749ab40e159b2dd5cf577acaaf5902772/library/std/src/panicking.rs:544:19
[INFO] [stdout]   34:     0x5c98f9e605c5 - std[73adb7dc35730857]::panic::catch_unwind::<core[6883ba1bc0fe4ed1]::panic::unwind_safe::AssertUnwindSafe<test[980ffaebd391d06d]::run_test_in_process::{closure#0}>, core[6883ba1bc0fe4ed1]::result::Result<(), alloc[55a36b64bcbf2c0d]::string::String>>
[INFO] [stdout]                                at /rustc/6b3fa26749ab40e159b2dd5cf577acaaf5902772/library/std/src/panic.rs:359:14
[INFO] [stdout]   35:     0x5c98f9e605c5 - test[980ffaebd391d06d]::run_test_in_process
[INFO] [stdout]                                at /rustc/6b3fa26749ab40e159b2dd5cf577acaaf5902772/library/test/src/lib.rs:747:27
[INFO] [stdout]   36:     0x5c98f9e605c5 - test[980ffaebd391d06d]::run_test::{closure#0}
[INFO] [stdout]                                at /rustc/6b3fa26749ab40e159b2dd5cf577acaaf5902772/library/test/src/lib.rs:668:43
[INFO] [stdout]   37:     0x5c98f9e5b074 - test[980ffaebd391d06d]::run_test::{closure#1}
[INFO] [stdout]                                at /rustc/6b3fa26749ab40e159b2dd5cf577acaaf5902772/library/test/src/lib.rs:698:41
[INFO] [stdout]   38:     0x5c98f9e5b074 - std[73adb7dc35730857]::sys::backtrace::__rust_begin_short_backtrace::<test[980ffaebd391d06d]::run_test::{closure#1}, ()>
[INFO] [stdout]                                at /rustc/6b3fa26749ab40e159b2dd5cf577acaaf5902772/library/std/src/sys/backtrace.rs:166:18
[INFO] [stdout]   39:     0x5c98f9e63712 - std[73adb7dc35730857]::thread::lifecycle::spawn_unchecked::<test[980ffaebd391d06d]::run_test::{closure#1}, ()>::{closure#1}::{closure#0}
[INFO] [stdout]                                at /rustc/6b3fa26749ab40e159b2dd5cf577acaaf5902772/library/std/src/thread/lifecycle.rs:70:13
[INFO] [stdout]   40:     0x5c98f9e63712 - <core[6883ba1bc0fe4ed1]::panic::unwind_safe::AssertUnwindSafe<std[73adb7dc35730857]::thread::lifecycle::spawn_unchecked<test[980ffaebd391d06d]::run_test::{closure#1}, ()>::{closure#1}::{closure#0}> as core[6883ba1bc0fe4ed1]::ops::function::FnOnce<()>>::call_once
[INFO] [stdout]                                at /rustc/6b3fa26749ab40e159b2dd5cf577acaaf5902772/library/core/src/panic/unwind_safe.rs:275:9
[INFO] [stdout]   41:     0x5c98f9e63712 - std[73adb7dc35730857]::panicking::catch_unwind::do_call::<core[6883ba1bc0fe4ed1]::panic::unwind_safe::AssertUnwindSafe<std[73adb7dc35730857]::thread::lifecycle::spawn_unchecked<test[980ffaebd391d06d]::run_test::{closure#1}, ()>::{closure#1}::{closure#0}>, ()>
[INFO] [stdout]                                at /rustc/6b3fa26749ab40e159b2dd5cf577acaaf5902772/library/std/src/panicking.rs:576:43
[INFO] [stdout]   42:     0x5c98f9e63712 - std[73adb7dc35730857]::panicking::catch_unwind::<(), core[6883ba1bc0fe4ed1]::panic::unwind_safe::AssertUnwindSafe<std[73adb7dc35730857]::thread::lifecycle::spawn_unchecked<test[980ffaebd391d06d]::run_test::{closure#1}, ()>::{closure#1}::{closure#0}>>
[INFO] [stdout]                                at /rustc/6b3fa26749ab40e159b2dd5cf577acaaf5902772/library/std/src/panicking.rs:544:19
[INFO] [stdout]   43:     0x5c98f9e63712 - std[73adb7dc35730857]::panic::catch_unwind::<core[6883ba1bc0fe4ed1]::panic::unwind_safe::AssertUnwindSafe<std[73adb7dc35730857]::thread::lifecycle::spawn_unchecked<test[980ffaebd391d06d]::run_test::{closure#1}, ()>::{closure#1}::{closure#0}>, ()>
[INFO] [stdout]                                at /rustc/6b3fa26749ab40e159b2dd5cf577acaaf5902772/library/std/src/panic.rs:359:14
[INFO] [stdout]   44:     0x5c98f9e63712 - std[73adb7dc35730857]::thread::lifecycle::spawn_unchecked::<test[980ffaebd391d06d]::run_test::{closure#1}, ()>::{closure#1}
[INFO] [stdout]                                at /rustc/6b3fa26749ab40e159b2dd5cf577acaaf5902772/library/std/src/thread/lifecycle.rs:68:26
[INFO] [stdout]   45:     0x5c98f9e63712 - <std[73adb7dc35730857]::thread::lifecycle::spawn_unchecked<test[980ffaebd391d06d]::run_test::{closure#1}, ()>::{closure#1} as core[6883ba1bc0fe4ed1]::ops::function::FnOnce<()>>::call_once::{shim:vtable#0}
[INFO] [stdout]                                at /rustc/6b3fa26749ab40e159b2dd5cf577acaaf5902772/library/core/src/ops/function.rs:250:5
[INFO] [stdout]   46:     0x5c98fa0d44af - <alloc[55a36b64bcbf2c0d]::boxed::Box<dyn core[6883ba1bc0fe4ed1]::ops::function::FnOnce<(), Output = ()> + core[6883ba1bc0fe4ed1]::marker::Send> as core[6883ba1bc0fe4ed1]::ops::function::FnOnce<()>>::call_once
[INFO] [stdout]                                at /rustc/6b3fa26749ab40e159b2dd5cf577acaaf5902772/library/alloc/src/boxed.rs:2319:9
[INFO] [stdout]   47:     0x5c98fa0d44af - <std[73adb7dc35730857]::sys::thread::unix::Thread>::new::thread_start
[INFO] [stdout]                                at /rustc/6b3fa26749ab40e159b2dd5cf577acaaf5902772/library/std/src/sys/thread/unix.rs:123:17
[INFO] [stdout]   48:     0x718092357aa4 - <unknown>
[INFO] [stdout]   49:     0x7180923e4a64 - clone
[INFO] [stdout]   50:                0x0 - <unknown>
[INFO] [stdout] 
[INFO] [stdout] ---- head::ten_n2_stdin stdout ----
[INFO] [stdout] 
[INFO] [stdout] thread 'head::ten_n2_stdin' (3262) panicked at /rustc/6b3fa26749ab40e159b2dd5cf577acaaf5902772/library/core/src/ops/function.rs:250:5:
[INFO] [stdout] Unexpected stdout, failed var == [
[INFO] [stdout]     111,
[INFO] [stdout]     110,
[INFO] [stdout]     101,
[INFO] [stdout]     10,
[INFO] [stdout]     116,
[INFO] [stdout]     119,
[INFO] [stdout]     111,
[INFO] [stdout]     10,
[INFO] [stdout] ]
[INFO] [stdout] └── var: []
[INFO] [stdout] 
[INFO] [stdout] command=`"/opt/rustwide/target/debug/head" "-n" "2"`
[INFO] [stdout] stdin=````
[INFO] [stdout] one
[INFO] [stdout] two
[INFO] [stdout] three
[INFO] [stdout] four
[INFO] [stdout] five
[INFO] [stdout] six
[INFO] [stdout] seven
[INFO] [stdout] eight
[INFO] [stdout] nine
[INFO] [stdout] ten
[INFO] [stdout] ```
[INFO] [stdout] `
[INFO] [stdout] code=101
[INFO] [stdout] stdout=""
[INFO] [stdout] stderr=<90 lines total>
[INFO] [stdout] ```
[INFO] [stdout] 
[INFO] [stdout] thread \'main\' (3284) panicked at /opt/rustwide/cargo-home/registry/src/index.crates.io-1949cf8c6b5b557f/clap-3.2.25/src/parser/matches/arg_matches.rs:547:22:
[INFO] [stdout] Must use `Arg::allow_invalid_utf8` with `_os` lookups at `files`
[INFO] [stdout] stack backtrace:
[INFO] [stdout]    0:     0x559dacb27601 - std[73adb7dc35730857]::backtrace_rs::backtrace::libunwind::trace
[INFO] [stdout]                                at /rustc/6b3fa26749ab40e159b2dd5cf577acaaf5902772/library/std/src/../../backtrace/src/backtrace/libunwind.rs:117:9
[INFO] [stdout]    1:     0x559dacb27601 - std[73adb7dc35730857]::backtrace_rs::backtrace::trace_unsynchronized::<std[73adb7dc35730857]::sys::backtrace::_print_fmt::{closure#1}>
[INFO] [stdout]                                at /rustc/6b3fa26749ab40e159b2dd5cf577acaaf5902772/library/std/src/../../backtrace/src/backtrace/mod.rs:66:14
[INFO] [stdout]    2:     0x559dacb27601 - std[73adb7dc35730857]::sys::backtrace::_print_fmt
[INFO] [stdout]                                at /rustc/6b3fa26749ab40e159b2dd5cf577acaaf5902772/library/std/src/sys/backtrace.rs:74:9
[INFO] [stdout]    3:     0x559dacb27601 - <<std[73adb7dc35730857]::sys::backtrace::BacktraceLock>::print::DisplayBacktrace as core[6883ba1bc0fe4ed1]::fmt::Display>::fmt
[INFO] [stdout]                                at /rustc/6b3fa26749ab40e159b2dd5cf577acaaf5902772/library/std/src/sys/backtrace.rs:44:26
[INFO] [stdout]    4:     0x559dacb3b28a - <core[6883ba1bc0fe4ed1]::fmt::rt::Argument>::fmt
[INFO] [stdout]                                at /rustc/6b3fa26749ab40e159b2dd5cf577acaaf5902772/library/core/src/fmt/rt.rs:152:76
[INFO] [stdout]    5:     0x559dacb3b28a - core[6883ba1bc0fe4ed1]::fmt::write
[INFO] [stdout]    6:     0x559dacb2ccec - std[73adb7dc35730857]::io::default_write_fmt::<std[73adb7dc35730857]::sys::stdio::unix::Stderr>
[INFO] [stdout]                                at /rustc/6b3fa26749ab40e159b2dd5cf577acaaf5902772/library/std/src/io/mod.rs:626:11
[INFO] [stdout]    7:     0x559dacb2ccec - <std[73adb7dc35730857]::sys::stdio::unix::Stderr as std[73adb7dc35730857]::io::Write>::write_fmt
[INFO] [stdout]                                at /rustc/6b3fa26749ab40e159b2dd5cf577acaaf5902772/library/std/src/io/mod.rs:1730:13
[INFO] [stdout]    8:     0x559dacb11e16 - <std[73adb7dc35730857]::sys::backtrace::BacktraceLock>::print
[INFO] [stdout] ```
[INFO] [stdout] <30 lines omitted>
[INFO] [stdout] ```
[INFO] [stdout]                                at /rustc/6b3fa26749ab40e159b2dd5cf577acaaf5902772/library/alloc/src/vec/mod.rs:3941:9
[INFO] [stdout]   24:     0x559dac9c108e - <core[6883ba1bc0fe4ed1]::iter::adapters::map::Map<core[6883ba1bc0fe4ed1]::iter::adapters::flatten::Flatten<core[6883ba1bc0fe4ed1]::slice::iter::Iter<alloc[55a36b64bcbf2c0d]::vec::Vec<clap[965b0170b9d3cf34]::parser::matches::any_value::AnyValue>>>, <clap[965b0170b9d3cf34]::parser::matches::arg_matches::ArgMatches>::values_of_lossy<&str>::{closure#0}> as core[6883ba1bc0fe4ed1]::iter::traits::iterator::Iterator>::collect::<alloc[55a36b64bcbf2c0d]::vec::Vec<alloc[55a36b64bcbf2c0d]::string::String>>
[INFO] [stdout]                                at /rustc/6b3fa26749ab40e159b2dd5cf577acaaf5902772/library/core/src/iter/traits/iterator.rs:2090:9
[INFO] [stdout]   25:     0x559dac9bb166 - <clap[965b0170b9d3cf34]::parser::matches::arg_matches::ArgMatches>::values_of_lossy::<&str>
[INFO] [stdout]                                at /opt/rustwide/cargo-home/registry/src/index.crates.io-1949cf8c6b5b557f/clap-3.2.25/src/parser/matches/arg_matches.rs:548:14
[INFO] [stdout]   26:     0x559dac9c518b - command_line_rust[2a7d65b3375657d0]::head::get_args
[INFO] [stdout]                                at /opt/rustwide/workdir/src/head/mod.rs:92:24
[INFO] [stdout]   27:     0x559dac9baad2 - head[5f62c2f9cff836a0]::main
[INFO] [stdout]                                at /opt/rustwide/workdir/src/head/main.rs:4:21
[INFO] [stdout]   28:     0x559dac9babeb - <fn() as core[6883ba1bc0fe4ed1]::ops::function::FnOnce<()>>::call_once
[INFO] [stdout]                                at /rustc/6b3fa26749ab40e159b2dd5cf577acaaf5902772/library/core/src/ops/function.rs:250:5
[INFO] [stdout]   29:     0x559dac9baa5e - std[73adb7dc35730857]::sys::backtrace::__rust_begin_short_backtrace::<fn(), ()>
[INFO] [stdout]                                at /rustc/6b3fa26749ab40e159b2dd5cf577acaaf5902772/library/std/src/sys/backtrace.rs:166:18
[INFO] [stdout]   30:     0x559dac9baa81 - std[73adb7dc35730857]::rt::lang_start::<()>::{closure#0}
[INFO] [stdout]                                at /rustc/6b3fa26749ab40e159b2dd5cf577acaaf5902772/library/std/src/rt.rs:206:18
[INFO] [stdout]   31:     0x559dacb22547 - <&dyn core[6883ba1bc0fe4ed1]::ops::function::Fn<(), Output = i32> + core[6883ba1bc0fe4ed1]::panic::unwind_safe::RefUnwindSafe + core[6883ba1bc0fe4ed1]::marker::Sync as core[6883ba1bc0fe4ed1]::ops::function::FnOnce<()>>::call_once
[INFO] [stdout]                                at /rustc/6b3fa26749ab40e159b2dd5cf577acaaf5902772/library/core/src/ops/function.rs:287:21
[INFO] [stdout]   32:     0x559dacb22547 - std[73adb7dc35730857]::panicking::catch_unwind::do_call::<&dyn core[6883ba1bc0fe4ed1]::ops::function::Fn<(), Output = i32> + core[6883ba1bc0fe4ed1]::panic::unwind_safe::RefUnwindSafe + core[6883ba1bc0fe4ed1]::marker::Sync, i32>
[INFO] [stdout]                                at /rustc/6b3fa26749ab40e159b2dd5cf577acaaf5902772/library/std/src/panicking.rs:576:43
[INFO] [stdout]   33:     0x559dacb22547 - std[73adb7dc35730857]::panicking::catch_unwind::<i32, &dyn core[6883ba1bc0fe4ed1]::ops::function::Fn<(), Output = i32> + core[6883ba1bc0fe4ed1]::panic::unwind_safe::RefUnwindSafe + core[6883ba1bc0fe4ed1]::marker::Sync>
[INFO] [stdout]                                at /rustc/6b3fa26749ab40e159b2dd5cf577acaaf5902772/library/std/src/panicking.rs:544:19
[INFO] [stdout]   34:     0x559dacb22547 - std[73adb7dc35730857]::panic::catch_unwind::<&dyn core[6883ba1bc0fe4ed1]::ops::function::Fn<(), Output = i32> + core[6883ba1bc0fe4ed1]::panic::unwind_safe::RefUnwindSafe + core[6883ba1bc0fe4ed1]::marker::Sync, i32>
[INFO] [stdout]                                at /rustc/6b3fa26749ab40e159b2dd5cf577acaaf5902772/library/std/src/panic.rs:359:14
[INFO] [stdout]   35:     0x559dacb22547 - std[73adb7dc35730857]::rt::lang_start_internal::{closure#0}
[INFO] [stdout]                                at /rustc/6b3fa26749ab40e159b2dd5cf577acaaf5902772/library/std/src/rt.rs:175:24
[INFO] [stdout]   36:     0x559dacb22547 - std[73adb7dc35730857]::panicking::catch_unwind::do_call::<std[73adb7dc35730857]::rt::lang_start_internal::{closure#0}, isize>
[INFO] [stdout]                                at /rustc/6b3fa26749ab40e159b2dd5cf577acaaf5902772/library/std/src/panicking.rs:576:43
[INFO] [stdout]   37:     0x559dacb22547 - std[73adb7dc35730857]::panicking::catch_unwind::<isize, std[73adb7dc35730857]::rt::lang_start_internal::{closure#0}>
[INFO] [stdout]                                at /rustc/6b3fa26749ab40e159b2dd5cf577acaaf5902772/library/std/src/panicking.rs:544:19
[INFO] [stdout]   38:     0x559dacb22547 - std[73adb7dc35730857]::panic::catch_unwind::<std[73adb7dc35730857]::rt::lang_start_internal::{closure#0}, isize>
[INFO] [stdout]                                at /rustc/6b3fa26749ab40e159b2dd5cf577acaaf5902772/library/std/src/panic.rs:359:14
[INFO] [stdout]   39:     0x559dacb22547 - std[73adb7dc35730857]::rt::lang_start_internal
[INFO] [stdout]                                at /rustc/6b3fa26749ab40e159b2dd5cf577acaaf5902772/library/std/src/rt.rs:171:5
[INFO] [stdout]   40:     0x559dac9baa47 - std[73adb7dc35730857]::rt::lang_start::<()>
[INFO] [stdout]                                at /rustc/6b3fa26749ab40e159b2dd5cf577acaaf5902772/library/std/src/rt.rs:205:5
[INFO] [stdout]   41:     0x559dac9bac7e - main
[INFO] [stdout]   42:     0x7c7149a041ca - <unknown>
[INFO] [stdout]   43:     0x7c7149a0428b - __libc_start_main
[INFO] [stdout]   44:     0x559dac9ba8a5 - _start
[INFO] [stdout]   45:                0x0 - <unknown>
[INFO] [stdout] ```
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] stack backtrace:
[INFO] [stdout]    0:     0x5c98fa0d5011 - std[73adb7dc35730857]::backtrace_rs::backtrace::libunwind::trace
[INFO] [stdout]                                at /rustc/6b3fa26749ab40e159b2dd5cf577acaaf5902772/library/std/src/../../backtrace/src/backtrace/libunwind.rs:117:9
[INFO] [stdout]    1:     0x5c98fa0d5011 - std[73adb7dc35730857]::backtrace_rs::backtrace::trace_unsynchronized::<std[73adb7dc35730857]::sys::backtrace::_print_fmt::{closure#1}>
[INFO] [stdout]                                at /rustc/6b3fa26749ab40e159b2dd5cf577acaaf5902772/library/std/src/../../backtrace/src/backtrace/mod.rs:66:14
[INFO] [stdout]    2:     0x5c98fa0d5011 - std[73adb7dc35730857]::sys::backtrace::_print_fmt
[INFO] [stdout]                                at /rustc/6b3fa26749ab40e159b2dd5cf577acaaf5902772/library/std/src/sys/backtrace.rs:74:9
[INFO] [stdout]    3:     0x5c98fa0d5011 - <<std[73adb7dc35730857]::sys::backtrace::BacktraceLock>::print::DisplayBacktrace as core[6883ba1bc0fe4ed1]::fmt::Display>::fmt
[INFO] [stdout]                                at /rustc/6b3fa26749ab40e159b2dd5cf577acaaf5902772/library/std/src/sys/backtrace.rs:44:26
[INFO] [stdout]    4:     0x5c98fa0eb71a - <core[6883ba1bc0fe4ed1]::fmt::rt::Argument>::fmt
[INFO] [stdout]                                at /rustc/6b3fa26749ab40e159b2dd5cf577acaaf5902772/library/core/src/fmt/rt.rs:152:76
[INFO] [stdout]    5:     0x5c98fa0eb71a - core[6883ba1bc0fe4ed1]::fmt::write
[INFO] [stdout]    6:     0x5c98fa0da99c - std[73adb7dc35730857]::io::default_write_fmt::<alloc[55a36b64bcbf2c0d]::vec::Vec<u8>>
[INFO] [stdout]                                at /rustc/6b3fa26749ab40e159b2dd5cf577acaaf5902772/library/std/src/io/mod.rs:626:11
[INFO] [stdout]    7:     0x5c98fa0da99c - <alloc[55a36b64bcbf2c0d]::vec::Vec<u8> as std[73adb7dc35730857]::io::Write>::write_fmt
[INFO] [stdout]                                at /rustc/6b3fa26749ab40e159b2dd5cf577acaaf5902772/library/std/src/io/mod.rs:1730:13
[INFO] [stdout]    8:     0x5c98fa0b2986 - <std[73adb7dc35730857]::sys::backtrace::BacktraceLock>::print
[INFO] [stdout]                                at /rustc/6b3fa26749ab40e159b2dd5cf577acaaf5902772/library/std/src/sys/backtrace.rs:47:9
[INFO] [stdout]    9:     0x5c98fa0b2986 - std[73adb7dc35730857]::panicking::default_hook::{closure#0}
[INFO] [stdout]                                at /rustc/6b3fa26749ab40e159b2dd5cf577acaaf5902772/library/std/src/panicking.rs:292:27
[INFO] [stdout]   10:     0x5c98fa0ccd09 - std[73adb7dc35730857]::panicking::default_hook
[INFO] [stdout]                                at /rustc/6b3fa26749ab40e159b2dd5cf577acaaf5902772/library/std/src/panicking.rs:316:9
[INFO] [stdout]   11:     0x5c98f9e5fc40 - <alloc[55a36b64bcbf2c0d]::boxed::Box<dyn for<'a, 'b> core[6883ba1bc0fe4ed1]::ops::function::Fn<(&'a std[73adb7dc35730857]::panic::PanicHookInfo<'b>,), Output = ()> + core[6883ba1bc0fe4ed1]::marker::Send + core[6883ba1bc0fe4ed1]::marker::Sync> as core[6883ba1bc0fe4ed1]::ops::function::Fn<(&std[73adb7dc35730857]::panic::PanicHookInfo,)>>::call
[INFO] [stdout]                                at /rustc/6b3fa26749ab40e159b2dd5cf577acaaf5902772/library/alloc/src/boxed.rs:2333:9
[INFO] [stdout]   12:     0x5c98f9e5fc40 - test[980ffaebd391d06d]::test_main_inner::<test[980ffaebd391d06d]::test_main_static::{closure#0}>::{closure#0}
[INFO] [stdout]                                at /rustc/6b3fa26749ab40e159b2dd5cf577acaaf5902772/library/test/src/lib.rs:155:21
[INFO] [stdout]   13:     0x5c98fa0ccec2 - <alloc[55a36b64bcbf2c0d]::boxed::Box<dyn for<'a, 'b> core[6883ba1bc0fe4ed1]::ops::function::Fn<(&'a std[73adb7dc35730857]::panic::PanicHookInfo<'b>,), Output = ()> + core[6883ba1bc0fe4ed1]::marker::Send + core[6883ba1bc0fe4ed1]::marker::Sync> as core[6883ba1bc0fe4ed1]::ops::function::Fn<(&std[73adb7dc35730857]::panic::PanicHookInfo,)>>::call
[INFO] [stdout]                                at /rustc/6b3fa26749ab40e159b2dd5cf577acaaf5902772/library/alloc/src/boxed.rs:2333:9
[INFO] [stdout]   14:     0x5c98fa0ccec2 - std[73adb7dc35730857]::panicking::panic_with_hook
[INFO] [stdout]                                at /rustc/6b3fa26749ab40e159b2dd5cf577acaaf5902772/library/std/src/panicking.rs:823:13
[INFO] [stdout]   15:     0x5c98fa0b2a32 - std[73adb7dc35730857]::panicking::panic_handler::{closure#0}
[INFO] [stdout]                                at /rustc/6b3fa26749ab40e159b2dd5cf577acaaf5902772/library/std/src/panicking.rs:688:13
[INFO] [stdout]   16:     0x5c98fa0aa1d9 - std[73adb7dc35730857]::sys::backtrace::__rust_end_short_backtrace::<std[73adb7dc35730857]::panicking::panic_handler::{closure#0}, !>
[INFO] [stdout]                                at /rustc/6b3fa26749ab40e159b2dd5cf577acaaf5902772/library/std/src/sys/backtrace.rs:182:18
[INFO] [stdout]   17:     0x5c98fa0b362d - __rustc[a7b7b02e776dd976]::rust_begin_unwind
[INFO] [stdout]                                at /rustc/6b3fa26749ab40e159b2dd5cf577acaaf5902772/library/std/src/panicking.rs:679:5
[INFO] [stdout]   18:     0x5c98fa0ebf9c - core[6883ba1bc0fe4ed1]::panicking::panic_fmt
[INFO] [stdout]                                at /rustc/6b3fa26749ab40e159b2dd5cf577acaaf5902772/library/core/src/panicking.rs:80:14
[INFO] [stdout]   19:     0x5c98fa03b8b8 - core[6883ba1bc0fe4ed1]::panicking::panic_display::<assert_cmd[35418449b5f7a4b8]::assert::AssertError>
[INFO] [stdout]                                at /rustc/6b3fa26749ab40e159b2dd5cf577acaaf5902772/library/core/src/panicking.rs:259:5
[INFO] [stdout]   20:     0x5c98fa0426c7 - <assert_cmd[35418449b5f7a4b8]::assert::AssertError>::panic::<assert_cmd[35418449b5f7a4b8]::assert::Assert>
[INFO] [stdout]                                at /opt/rustwide/cargo-home/registry/src/index.crates.io-1949cf8c6b5b557f/assert_cmd-2.0.11/src/assert.rs:1033:9
[INFO] [stdout]   21:     0x5c98fa038947 - <<assert_cmd[35418449b5f7a4b8]::assert::AssertError>::panic<assert_cmd[35418449b5f7a4b8]::assert::Assert> as core[6883ba1bc0fe4ed1]::ops::function::FnOnce<(assert_cmd[35418449b5f7a4b8]::assert::AssertError,)>>::call_once
[INFO] [stdout]                                at /rustc/6b3fa26749ab40e159b2dd5cf577acaaf5902772/library/core/src/ops/function.rs:250:5
[INFO] [stdout]   22:     0x5c98fa041dfb - <core[6883ba1bc0fe4ed1]::result::Result<assert_cmd[35418449b5f7a4b8]::assert::Assert, assert_cmd[35418449b5f7a4b8]::assert::AssertError>>::unwrap_or_else::<<assert_cmd[35418449b5f7a4b8]::assert::AssertError>::panic<assert_cmd[35418449b5f7a4b8]::assert::Assert>>
[INFO] [stdout]                                at /rustc/6b3fa26749ab40e159b2dd5cf577acaaf5902772/library/core/src/result.rs:1620:23
[INFO] [stdout]   23:     0x5c98f9e45014 - <assert_cmd[35418449b5f7a4b8]::assert::Assert>::stdout::<predicates[32cee55fc2d5e3e6]::ord::EqPredicate<&[u8]>, predicates[32cee55fc2d5e3e6]::ord::EqPredicate<&[u8]>>
[INFO] [stdout]                                at /opt/rustwide/cargo-home/registry/src/index.crates.io-1949cf8c6b5b557f/assert_cmd-2.0.11/src/assert.rs:364:31
[INFO] [stdout]   24:     0x5c98f9e4c803 - lib[ef69c164f1f8dd99]::head::run_stdin
[INFO] [stdout]                                at /opt/rustwide/workdir/tests/head/mod.rs:124:10
[INFO] [stdout]   25:     0x5c98f9e4cb2b - lib[ef69c164f1f8dd99]::head::ten_n2_stdin
[INFO] [stdout]                                at /opt/rustwide/workdir/tests/head/mod.rs:355:5
[INFO] [stdout]   26:     0x5c98f9e47697 - lib[ef69c164f1f8dd99]::head::ten_n2_stdin::{closure#0}
[INFO] [stdout]                                at /opt/rustwide/workdir/tests/head/mod.rs:354:22
[INFO] [stdout]   27:     0x5c98f9e52056 - <lib[ef69c164f1f8dd99]::head::ten_n2_stdin::{closure#0} as core[6883ba1bc0fe4ed1]::ops::function::FnOnce<()>>::call_once
[INFO] [stdout]                                at /rustc/6b3fa26749ab40e159b2dd5cf577acaaf5902772/library/core/src/ops/function.rs:250:5
[INFO] [stdout]   28:     0x5c98f9e52f7b - <fn() -> core[6883ba1bc0fe4ed1]::result::Result<(), alloc[55a36b64bcbf2c0d]::string::String> as core[6883ba1bc0fe4ed1]::ops::function::FnOnce<()>>::call_once
[INFO] [stdout]                                at /rustc/6b3fa26749ab40e159b2dd5cf577acaaf5902772/library/core/src/ops/function.rs:250:5
[INFO] [stdout]   29:     0x5c98f9e52f7b - test[980ffaebd391d06d]::__rust_begin_short_backtrace::<core[6883ba1bc0fe4ed1]::result::Result<(), alloc[55a36b64bcbf2c0d]::string::String>, fn() -> core[6883ba1bc0fe4ed1]::result::Result<(), alloc[55a36b64bcbf2c0d]::string::String>>
[INFO] [stdout]                                at /rustc/6b3fa26749ab40e159b2dd5cf577acaaf5902772/library/test/src/lib.rs:724:18
[INFO] [stdout]   30:     0x5c98f9e605c5 - test[980ffaebd391d06d]::run_test_in_process::{closure#0}
[INFO] [stdout]                                at /rustc/6b3fa26749ab40e159b2dd5cf577acaaf5902772/library/test/src/lib.rs:747:74
[INFO] [stdout]   31:     0x5c98f9e605c5 - <core[6883ba1bc0fe4ed1]::panic::unwind_safe::AssertUnwindSafe<test[980ffaebd391d06d]::run_test_in_process::{closure#0}> as core[6883ba1bc0fe4ed1]::ops::function::FnOnce<()>>::call_once
[INFO] [stdout]                                at /rustc/6b3fa26749ab40e159b2dd5cf577acaaf5902772/library/core/src/panic/unwind_safe.rs:275:9
[INFO] [stdout]   32:     0x5c98f9e605c5 - std[73adb7dc35730857]::panicking::catch_unwind::do_call::<core[6883ba1bc0fe4ed1]::panic::unwind_safe::AssertUnwindSafe<test[980ffaebd391d06d]::run_test_in_process::{closure#0}>, core[6883ba1bc0fe4ed1]::result::Result<(), alloc[55a36b64bcbf2c0d]::string::String>>
[INFO] [stdout]                                at /rustc/6b3fa26749ab40e159b2dd5cf577acaaf5902772/library/std/src/panicking.rs:576:43
[INFO] [stdout]   33:     0x5c98f9e605c5 - std[73adb7dc35730857]::panicking::catch_unwind::<core[6883ba1bc0fe4ed1]::result::Result<(), alloc[55a36b64bcbf2c0d]::string::String>, core[6883ba1bc0fe4ed1]::panic::unwind_safe::AssertUnwindSafe<test[980ffaebd391d06d]::run_test_in_process::{closure#0}>>
[INFO] [stdout]                                at /rustc/6b3fa26749ab40e159b2dd5cf577acaaf5902772/library/std/src/panicking.rs:544:19
[INFO] [stdout]   34:     0x5c98f9e605c5 - std[73adb7dc35730857]::panic::catch_unwind::<core[6883ba1bc0fe4ed1]::panic::unwind_safe::AssertUnwindSafe<test[980ffaebd391d06d]::run_test_in_process::{closure#0}>, core[6883ba1bc0fe4ed1]::result::Result<(), alloc[55a36b64bcbf2c0d]::string::String>>
[INFO] [stdout]                                at /rustc/6b3fa26749ab40e159b2dd5cf577acaaf5902772/library/std/src/panic.rs:359:14
[INFO] [stdout]   35:     0x5c98f9e605c5 - test[980ffaebd391d06d]::run_test_in_process
[INFO] [stdout]                                at /rustc/6b3fa26749ab40e159b2dd5cf577acaaf5902772/library/test/src/lib.rs:747:27
[INFO] [stdout]   36:     0x5c98f9e605c5 - test[980ffaebd391d06d]::run_test::{closure#0}
[INFO] [stdout]                                at /rustc/6b3fa26749ab40e159b2dd5cf577acaaf5902772/library/test/src/lib.rs:668:43
[INFO] [stdout]   37:     0x5c98f9e5b074 - test[980ffaebd391d06d]::run_test::{closure#1}
[INFO] [stdout]                                at /rustc/6b3fa26749ab40e159b2dd5cf577acaaf5902772/library/test/src/lib.rs:698:41
[INFO] [stdout]   38:     0x5c98f9e5b074 - std[73adb7dc35730857]::sys::backtrace::__rust_begin_short_backtrace::<test[980ffaebd391d06d]::run_test::{closure#1}, ()>
[INFO] [stdout]                                at /rustc/6b3fa26749ab40e159b2dd5cf577acaaf5902772/library/std/src/sys/backtrace.rs:166:18
[INFO] [stdout]   39:     0x5c98f9e63712 - std[73adb7dc35730857]::thread::lifecycle::spawn_unchecked::<test[980ffaebd391d06d]::run_test::{closure#1}, ()>::{closure#1}::{closure#0}
[INFO] [stdout]                                at /rustc/6b3fa26749ab40e159b2dd5cf577acaaf5902772/library/std/src/thread/lifecycle.rs:70:13
[INFO] [stdout]   40:     0x5c98f9e63712 - <core[6883ba1bc0fe4ed1]::panic::unwind_safe::AssertUnwindSafe<std[73adb7dc35730857]::thread::lifecycle::spawn_unchecked<test[980ffaebd391d06d]::run_test::{closure#1}, ()>::{closure#1}::{closure#0}> as core[6883ba1bc0fe4ed1]::ops::function::FnOnce<()>>::call_once
[INFO] [stdout]                                at /rustc/6b3fa26749ab40e159b2dd5cf577acaaf5902772/library/core/src/panic/unwind_safe.rs:275:9
[INFO] [stdout]   41:     0x5c98f9e63712 - std[73adb7dc35730857]::panicking::catch_unwind::do_call::<core[6883ba1bc0fe4ed1]::panic::unwind_safe::AssertUnwindSafe<std[73adb7dc35730857]::thread::lifecycle::spawn_unchecked<test[980ffaebd391d06d]::run_test::{closure#1}, ()>::{closure#1}::{closure#0}>, ()>
[INFO] [stdout]                                at /rustc/6b3fa26749ab40e159b2dd5cf577acaaf5902772/library/std/src/panicking.rs:576:43
[INFO] [stdout]   42:     0x5c98f9e63712 - std[73adb7dc35730857]::panicking::catch_unwind::<(), core[6883ba1bc0fe4ed1]::panic::unwind_safe::AssertUnwindSafe<std[73adb7dc35730857]::thread::lifecycle::spawn_unchecked<test[980ffaebd391d06d]::run_test::{closure#1}, ()>::{closure#1}::{closure#0}>>
[INFO] [stdout]                                at /rustc/6b3fa26749ab40e159b2dd5cf577acaaf5902772/library/std/src/panicking.rs:544:19
[INFO] [stdout]   43:     0x5c98f9e63712 - std[73adb7dc35730857]::panic::catch_unwind::<core[6883ba1bc0fe4ed1]::panic::unwind_safe::AssertUnwindSafe<std[73adb7dc35730857]::thread::lifecycle::spawn_unchecked<test[980ffaebd391d06d]::run_test::{closure#1}, ()>::{closure#1}::{closure#0}>, ()>
[INFO] [stdout]                                at /rustc/6b3fa26749ab40e159b2dd5cf577acaaf5902772/library/std/src/panic.rs:359:14
[INFO] [stdout]   44:     0x5c98f9e63712 - std[73adb7dc35730857]::thread::lifecycle::spawn_unchecked::<test[980ffaebd391d06d]::run_test::{closure#1}, ()>::{closure#1}
[INFO] [stdout]                                at /rustc/6b3fa26749ab40e159b2dd5cf577acaaf5902772/library/std/src/thread/lifecycle.rs:68:26
[INFO] [stdout]   45:     0x5c98f9e63712 - <std[73adb7dc35730857]::thread::lifecycle::spawn_unchecked<test[980ffaebd391d06d]::run_test::{closure#1}, ()>::{closure#1} as core[6883ba1bc0fe4ed1]::ops::function::FnOnce<()>>::call_once::{shim:vtable#0}
[INFO] [stdout]                                at /rustc/6b3fa26749ab40e159b2dd5cf577acaaf5902772/library/core/src/ops/function.rs:250:5
[INFO] [stdout]   46:     0x5c98fa0d44af - <alloc[55a36b64bcbf2c0d]::boxed::Box<dyn core[6883ba1bc0fe4ed1]::ops::function::FnOnce<(), Output = ()> + core[6883ba1bc0fe4ed1]::marker::Send> as core[6883ba1bc0fe4ed1]::ops::function::FnOnce<()>>::call_once
[INFO] [stdout]                                at /rustc/6b3fa26749ab40e159b2dd5cf577acaaf5902772/library/alloc/src/boxed.rs:2319:9
[INFO] [stdout]   47:     0x5c98fa0d44af - <std[73adb7dc35730857]::sys::thread::unix::Thread>::new::thread_start
[INFO] [stdout]                                at /rustc/6b3fa26749ab40e159b2dd5cf577acaaf5902772/library/std/src/sys/thread/unix.rs:123:17
[INFO] [stdout]   48:     0x718092357aa4 - <unknown>
[INFO] [stdout]   49:     0x7180923e4a64 - clone
[INFO] [stdout]   50:                0x0 - <unknown>
[INFO] [stdout] 
[INFO] [stdout] ---- head::ten_stdin stdout ----
[INFO] [stdout] 
[INFO] [stdout] thread 'head::ten_stdin' (3275) panicked at /rustc/6b3fa26749ab40e159b2dd5cf577acaaf5902772/library/core/src/ops/function.rs:250:5:
[INFO] [stdout] Unexpected stdout, failed var == [
[INFO] [stdout]     111,
[INFO] [stdout]     110,
[INFO] [stdout]     101,
[INFO] [stdout]     10,
[INFO] [stdout]     116,
[INFO] [stdout]     119,
[INFO] [stdout]     111,
[INFO] [stdout]     10,
[INFO] [stdout]     116,
[INFO] [stdout]     104,
[INFO] [stdout]     114,
[INFO] [stdout]     101,
[INFO] [stdout]     101,
[INFO] [stdout]     10,
[INFO] [stdout]     102,
[INFO] [stdout]     111,
[INFO] [stdout]     117,
[INFO] [stdout]     114,
[INFO] [stdout]     10,
[INFO] [stdout]     102,
[INFO] [stdout]     105,
[INFO] [stdout]     118,
[INFO] [stdout]     101,
[INFO] [stdout]     10,
[INFO] [stdout]     115,
[INFO] [stdout]     105,
[INFO] [stdout]     120,
[INFO] [stdout]     10,
[INFO] [stdout]     115,
[INFO] [stdout]     101,
[INFO] [stdout]     118,
[INFO] [stdout]     101,
[INFO] [stdout]     110,
[INFO] [stdout]     10,
[INFO] [stdout]     101,
[INFO] [stdout]     105,
[INFO] [stdout]     103,
[INFO] [stdout]     104,
[INFO] [stdout]     116,
[INFO] [stdout]     10,
[INFO] [stdout]     110,
[INFO] [stdout]     105,
[INFO] [stdout]     110,
[INFO] [stdout]     101,
[INFO] [stdout]     10,
[INFO] [stdout]     116,
[INFO] [stdout]     101,
[INFO] [stdout]     110,
[INFO] [stdout]     10,
[INFO] [stdout] ]
[INFO] [stdout] └── var: []
[INFO] [stdout] 
[INFO] [stdout] command=`"/opt/rustwide/target/debug/head"`
[INFO] [stdout] stdin=````
[INFO] [stdout] one
[INFO] [stdout] two
[INFO] [stdout] three
[INFO] [stdout] four
[INFO] [stdout] five
[INFO] [stdout] six
[INFO] [stdout] seven
[INFO] [stdout] eight
[INFO] [stdout] nine
[INFO] [stdout] ten
[INFO] [stdout] ```
[INFO] [stdout] `
[INFO] [stdout] code=101
[INFO] [stdout] stdout=""
[INFO] [stdout] stderr=<90 lines total>
[INFO] [stdout] ```
[INFO] [stdout] 
[INFO] [stdout] thread \'main\' (3276) panicked at /opt/rustwide/cargo-home/registry/src/index.crates.io-1949cf8c6b5b557f/clap-3.2.25/src/parser/matches/arg_matches.rs:547:22:
[INFO] [stdout] Must use `Arg::allow_invalid_utf8` with `_os` lookups at `files`
[INFO] [stdout] stack backtrace:
[INFO] [stdout]    0:     0x564af699b601 - std[73adb7dc35730857]::backtrace_rs::backtrace::libunwind::trace
[INFO] [stdout]                                at /rustc/6b3fa26749ab40e159b2dd5cf577acaaf5902772/library/std/src/../../backtrace/src/backtrace/libunwind.rs:117:9
[INFO] [stdout]    1:     0x564af699b601 - std[73adb7dc35730857]::backtrace_rs::backtrace::trace_unsynchronized::<std[73adb7dc35730857]::sys::backtrace::_print_fmt::{closure#1}>
[INFO] [stdout]                                at /rustc/6b3fa26749ab40e159b2dd5cf577acaaf5902772/library/std/src/../../backtrace/src/backtrace/mod.rs:66:14
[INFO] [stdout]    2:     0x564af699b601 - std[73adb7dc35730857]::sys::backtrace::_print_fmt
[INFO] [stdout]                                at /rustc/6b3fa26749ab40e159b2dd5cf577acaaf5902772/library/std/src/sys/backtrace.rs:74:9
[INFO] [stdout]    3:     0x564af699b601 - <<std[73adb7dc35730857]::sys::backtrace::BacktraceLock>::print::DisplayBacktrace as core[6883ba1bc0fe4ed1]::fmt::Display>::fmt
[INFO] [stdout]                                at /rustc/6b3fa26749ab40e159b2dd5cf577acaaf5902772/library/std/src/sys/backtrace.rs:44:26
[INFO] [stdout]    4:     0x564af69af28a - <core[6883ba1bc0fe4ed1]::fmt::rt::Argument>::fmt
[INFO] [stdout]                                at /rustc/6b3fa26749ab40e159b2dd5cf577acaaf5902772/library/core/src/fmt/rt.rs:152:76
[INFO] [stdout]    5:     0x564af69af28a - core[6883ba1bc0fe4ed1]::fmt::write
[INFO] [stdout]    6:     0x564af69a0cec - std[73adb7dc35730857]::io::default_write_fmt::<std[73adb7dc35730857]::sys::stdio::unix::Stderr>
[INFO] [stdout]                                at /rustc/6b3fa26749ab40e159b2dd5cf577acaaf5902772/library/std/src/io/mod.rs:626:11
[INFO] [stdout]    7:     0x564af69a0cec - <std[73adb7dc35730857]::sys::stdio::unix::Stderr as std[73adb7dc35730857]::io::Write>::write_fmt
[INFO] [stdout]                                at /rustc/6b3fa26749ab40e159b2dd5cf577acaaf5902772/library/std/src/io/mod.rs:1730:13
[INFO] [stdout]    8:     0x564af6985e16 - <std[73adb7dc35730857]::sys::backtrace::BacktraceLock>::print
[INFO] [stdout] ```
[INFO] [stdout] <30 lines omitted>
[INFO] [stdout] ```
[INFO] [stdout]                                at /rustc/6b3fa26749ab40e159b2dd5cf577acaaf5902772/library/alloc/src/vec/mod.rs:3941:9
[INFO] [stdout]   24:     0x564af683508e - <core[6883ba1bc0fe4ed1]::iter::adapters::map::Map<core[6883ba1bc0fe4ed1]::iter::adapters::flatten::Flatten<core[6883ba1bc0fe4ed1]::slice::iter::Iter<alloc[55a36b64bcbf2c0d]::vec::Vec<clap[965b0170b9d3cf34]::parser::matches::any_value::AnyValue>>>, <clap[965b0170b9d3cf34]::parser::matches::arg_matches::ArgMatches>::values_of_lossy<&str>::{closure#0}> as core[6883ba1bc0fe4ed1]::iter::traits::iterator::Iterator>::collect::<alloc[55a36b64bcbf2c0d]::vec::Vec<alloc[55a36b64bcbf2c0d]::string::String>>
[INFO] [stdout]                                at /rustc/6b3fa26749ab40e159b2dd5cf577acaaf5902772/library/core/src/iter/traits/iterator.rs:2090:9
[INFO] [stdout]   25:     0x564af682f166 - <clap[965b0170b9d3cf34]::parser::matches::arg_matches::ArgMatches>::values_of_lossy::<&str>
[INFO] [stdout]                                at /opt/rustwide/cargo-home/registry/src/index.crates.io-1949cf8c6b5b557f/clap-3.2.25/src/parser/matches/arg_matches.rs:548:14
[INFO] [stdout]   26:     0x564af683918b - command_line_rust[2a7d65b3375657d0]::head::get_args
[INFO] [stdout]                                at /opt/rustwide/workdir/src/head/mod.rs:92:24
[INFO] [stdout]   27:     0x564af682ead2 - head[5f62c2f9cff836a0]::main
[INFO] [stdout]                                at /opt/rustwide/workdir/src/head/main.rs:4:21
[INFO] [stdout]   28:     0x564af682ebeb - <fn() as core[6883ba1bc0fe4ed1]::ops::function::FnOnce<()>>::call_once
[INFO] [stdout]                                at /rustc/6b3fa26749ab40e159b2dd5cf577acaaf5902772/library/core/src/ops/function.rs:250:5
[INFO] [stdout]   29:     0x564af682ea5e - std[73adb7dc35730857]::sys::backtrace::__rust_begin_short_backtrace::<fn(), ()>
[INFO] [stdout]                                at /rustc/6b3fa26749ab40e159b2dd5cf577acaaf5902772/library/std/src/sys/backtrace.rs:166:18
[INFO] [stdout]   30:     0x564af682ea81 - std[73adb7dc35730857]::rt::lang_start::<()>::{closure#0}
[INFO] [stdout]                                at /rustc/6b3fa26749ab40e159b2dd5cf577acaaf5902772/library/std/src/rt.rs:206:18
[INFO] [stdout]   31:     0x564af6996547 - <&dyn core[6883ba1bc0fe4ed1]::ops::function::Fn<(), Output = i32> + core[6883ba1bc0fe4ed1]::panic::unwind_safe::RefUnwindSafe + core[6883ba1bc0fe4ed1]::marker::Sync as core[6883ba1bc0fe4ed1]::ops::function::FnOnce<()>>::call_once
[INFO] [stdout]                                at /rustc/6b3fa26749ab40e159b2dd5cf577acaaf5902772/library/core/src/ops/function.rs:287:21
[INFO] [stdout]   32:     0x564af6996547 - std[73adb7dc35730857]::panicking::catch_unwind::do_call::<&dyn core[6883ba1bc0fe4ed1]::ops::function::Fn<(), Output = i32> + core[6883ba1bc0fe4ed1]::panic::unwind_safe::RefUnwindSafe + core[6883ba1bc0fe4ed1]::marker::Sync, i32>
[INFO] [stdout]                                at /rustc/6b3fa26749ab40e159b2dd5cf577acaaf5902772/library/std/src/panicking.rs:576:43
[INFO] [stdout]   33:     0x564af6996547 - std[73adb7dc35730857]::panicking::catch_unwind::<i32, &dyn core[6883ba1bc0fe4ed1]::ops::function::Fn<(), Output = i32> + core[6883ba1bc0fe4ed1]::panic::unwind_safe::RefUnwindSafe + core[6883ba1bc0fe4ed1]::marker::Sync>
[INFO] [stdout]                                at /rustc/6b3fa26749ab40e159b2dd5cf577acaaf5902772/library/std/src/panicking.rs:544:19
[INFO] [stdout]   34:     0x564af6996547 - std[73adb7dc35730857]::panic::catch_unwind::<&dyn core[6883ba1bc0fe4ed1]::ops::function::Fn<(), Output = i32> + core[6883ba1bc0fe4ed1]::panic::unwind_safe::RefUnwindSafe + core[6883ba1bc0fe4ed1]::marker::Sync, i32>
[INFO] [stdout]                                at /rustc/6b3fa26749ab40e159b2dd5cf577acaaf5902772/library/std/src/panic.rs:359:14
[INFO] [stdout]   35:     0x564af6996547 - std[73adb7dc35730857]::rt::lang_start_internal::{closure#0}
[INFO] [stdout]                                at /rustc/6b3fa26749ab40e159b2dd5cf577acaaf5902772/library/std/src/rt.rs:175:24
[INFO] [stdout]   36:     0x564af6996547 - std[73adb7dc35730857]::panicking::catch_unwind::do_call::<std[73adb7dc35730857]::rt::lang_start_internal::{closure#0}, isize>
[INFO] [stdout]                                at /rustc/6b3fa26749ab40e159b2dd5cf577acaaf5902772/library/std/src/panicking.rs:576:43
[INFO] [stdout]   37:     0x564af6996547 - std[73adb7dc35730857]::panicking::catch_unwind::<isize, std[73adb7dc35730857]::rt::lang_start_internal::{closure#0}>
[INFO] [stdout]                                at /rustc/6b3fa26749ab40e159b2dd5cf577acaaf5902772/library/std/src/panicking.rs:544:19
[INFO] [stdout]   38:     0x564af6996547 - std[73adb7dc35730857]::panic::catch_unwind::<std[73adb7dc35730857]::rt::lang_start_internal::{closure#0}, isize>
[INFO] [stdout]                                at /rustc/6b3fa26749ab40e159b2dd5cf577acaaf5902772/library/std/src/panic.rs:359:14
[INFO] [stdout]   39:     0x564af6996547 - std[73adb7dc35730857]::rt::lang_start_internal
[INFO] [stdout]                                at /rustc/6b3fa26749ab40e159b2dd5cf577acaaf5902772/library/std/src/rt.rs:171:5
[INFO] [stdout]   40:     0x564af682ea47 - std[73adb7dc35730857]::rt::lang_start::<()>
[INFO] [stdout]                                at /rustc/6b3fa26749ab40e159b2dd5cf577acaaf5902772/library/std/src/rt.rs:205:5
[INFO] [stdout]   41:     0x564af682ec7e - main
[INFO] [stdout]   42:     0x7806ce6641ca - <unknown>
[INFO] [stdout]   43:     0x7806ce66428b - __libc_start_main
[INFO] [stdout]   44:     0x564af682e8a5 - _start
[INFO] [stdout]   45:                0x0 - <unknown>
[INFO] [stdout] ```
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] stack backtrace:
[INFO] [stdout]    0:     0x5c98fa0d5011 - std[73adb7dc35730857]::backtrace_rs::backtrace::libunwind::trace
[INFO] [stdout]                                at /rustc/6b3fa26749ab40e159b2dd5cf577acaaf5902772/library/std/src/../../backtrace/src/backtrace/libunwind.rs:117:9
[INFO] [stdout]    1:     0x5c98fa0d5011 - std[73adb7dc35730857]::backtrace_rs::backtrace::trace_unsynchronized::<std[73adb7dc35730857]::sys::backtrace::_print_fmt::{closure#1}>
[INFO] [stdout]                                at /rustc/6b3fa26749ab40e159b2dd5cf577acaaf5902772/library/std/src/../../backtrace/src/backtrace/mod.rs:66:14
[INFO] [stdout]    2:     0x5c98fa0d5011 - std[73adb7dc35730857]::sys::backtrace::_print_fmt
[INFO] [stdout]                                at /rustc/6b3fa26749ab40e159b2dd5cf577acaaf5902772/library/std/src/sys/backtrace.rs:74:9
[INFO] [stdout]    3:     0x5c98fa0d5011 - <<std[73adb7dc35730857]::sys::backtrace::BacktraceLock>::print::DisplayBacktrace as core[6883ba1bc0fe4ed1]::fmt::Display>::fmt
[INFO] [stdout]                                at /rustc/6b3fa26749ab40e159b2dd5cf577acaaf5902772/library/std/src/sys/backtrace.rs:44:26
[INFO] [stdout]    4:     0x5c98fa0eb71a - <core[6883ba1bc0fe4ed1]::fmt::rt::Argument>::fmt
[INFO] [stdout]                                at /rustc/6b3fa26749ab40e159b2dd5cf577acaaf5902772/library/core/src/fmt/rt.rs:152:76
[INFO] [stdout]    5:     0x5c98fa0eb71a - core[6883ba1bc0fe4ed1]::fmt::write
[INFO] [stdout]    6:     0x5c98fa0da99c - std[73adb7dc35730857]::io::default_write_fmt::<alloc[55a36b64bcbf2c0d]::vec::Vec<u8>>
[INFO] [stdout]                                at /rustc/6b3fa26749ab40e159b2dd5cf577acaaf5902772/library/std/src/io/mod.rs:626:11
[INFO] [stdout]    7:     0x5c98fa0da99c - <alloc[55a36b64bcbf2c0d]::vec::Vec<u8> as std[73adb7dc35730857]::io::Write>::write_fmt
[INFO] [stdout]                                at /rustc/6b3fa26749ab40e159b2dd5cf577acaaf5902772/library/std/src/io/mod.rs:1730:13
[INFO] [stdout]    8:     0x5c98fa0b2986 - <std[73adb7dc35730857]::sys::backtrace::BacktraceLock>::print
[INFO] [stdout]                                at /rustc/6b3fa26749ab40e159b2dd5cf577acaaf5902772/library/std/src/sys/backtrace.rs:47:9
[INFO] [stdout]    9:     0x5c98fa0b2986 - std[73adb7dc35730857]::panicking::default_hook::{closure#0}
[INFO] [stdout]                                at /rustc/6b3fa26749ab40e159b2dd5cf577acaaf5902772/library/std/src/panicking.rs:292:27
[INFO] [stdout]   10:     0x5c98fa0ccd09 - std[73adb7dc35730857]::panicking::default_hook
[INFO] [stdout]                                at /rustc/6b3fa26749ab40e159b2dd5cf577acaaf5902772/library/std/src/panicking.rs:316:9
[INFO] [stdout]   11:     0x5c98f9e5fc40 - <alloc[55a36b64bcbf2c0d]::boxed::Box<dyn for<'a, 'b> core[6883ba1bc0fe4ed1]::ops::function::Fn<(&'a std[73adb7dc35730857]::panic::PanicHookInfo<'b>,), Output = ()> + core[6883ba1bc0fe4ed1]::marker::Send + core[6883ba1bc0fe4ed1]::marker::Sync> as core[6883ba1bc0fe4ed1]::ops::function::Fn<(&std[73adb7dc35730857]::panic::PanicHookInfo,)>>::call
[INFO] [stdout]                                at /rustc/6b3fa26749ab40e159b2dd5cf577acaaf5902772/library/alloc/src/boxed.rs:2333:9
[INFO] [stdout]   12:     0x5c98f9e5fc40 - test[980ffaebd391d06d]::test_main_inner::<test[980ffaebd391d06d]::test_main_static::{closure#0}>::{closure#0}
[INFO] [stdout]                                at /rustc/6b3fa26749ab40e159b2dd5cf577acaaf5902772/library/test/src/lib.rs:155:21
[INFO] [stdout]   13:     0x5c98fa0ccec2 - <alloc[55a36b64bcbf2c0d]::boxed::Box<dyn for<'a, 'b> core[6883ba1bc0fe4ed1]::ops::function::Fn<(&'a std[73adb7dc35730857]::panic::PanicHookInfo<'b>,), Output = ()> + core[6883ba1bc0fe4ed1]::marker::Send + core[6883ba1bc0fe4ed1]::marker::Sync> as core[6883ba1bc0fe4ed1]::ops::function::Fn<(&std[73adb7dc35730857]::panic::PanicHookInfo,)>>::call
[INFO] [stdout]                                at /rustc/6b3fa26749ab40e159b2dd5cf577acaaf5902772/library/alloc/src/boxed.rs:2333:9
[INFO] [stdout]   14:     0x5c98fa0ccec2 - std[73adb7dc35730857]::panicking::panic_with_hook
[INFO] [stdout]                                at /rustc/6b3fa26749ab40e159b2dd5cf577acaaf5902772/library/std/src/panicking.rs:823:13
[INFO] [stdout]   15:     0x5c98fa0b2a32 - std[73adb7dc35730857]::panicking::panic_handler::{closure#0}
[INFO] [stdout]                                at /rustc/6b3fa26749ab40e159b2dd5cf577acaaf5902772/library/std/src/panicking.rs:688:13
[INFO] [stdout]   16:     0x5c98fa0aa1d9 - std[73adb7dc35730857]::sys::backtrace::__rust_end_short_backtrace::<std[73adb7dc35730857]::panicking::panic_handler::{closure#0}, !>
[INFO] [stdout]                                at /rustc/6b3fa26749ab40e159b2dd5cf577acaaf5902772/library/std/src/sys/backtrace.rs:182:18
[INFO] [stdout]   17:     0x5c98fa0b362d - __rustc[a7b7b02e776dd976]::rust_begin_unwind
[INFO] [stdout]                                at /rustc/6b3fa26749ab40e159b2dd5cf577acaaf5902772/library/std/src/panicking.rs:679:5
[INFO] [stdout]   18:     0x5c98fa0ebf9c - core[6883ba1bc0fe4ed1]::panicking::panic_fmt
[INFO] [stdout]                                at /rustc/6b3fa26749ab40e159b2dd5cf577acaaf5902772/library/core/src/panicking.rs:80:14
[INFO] [stdout]   19:     0x5c98fa03b8b8 - core[6883ba1bc0fe4ed1]::panicking::panic_display::<assert_cmd[35418449b5f7a4b8]::assert::AssertError>
[INFO] [stdout]                                at /rustc/6b3fa26749ab40e159b2dd5cf577acaaf5902772/library/core/src/panicking.rs:259:5
[INFO] [stdout]   20:     0x5c98fa0426c7 - <assert_cmd[35418449b5f7a4b8]::assert::AssertError>::panic::<assert_cmd[35418449b5f7a4b8]::assert::Assert>
[INFO] [stdout]                                at /opt/rustwide/cargo-home/registry/src/index.crates.io-1949cf8c6b5b557f/assert_cmd-2.0.11/src/assert.rs:1033:9
[INFO] [stdout]   21:     0x5c98fa038947 - <<assert_cmd[35418449b5f7a4b8]::assert::AssertError>::panic<assert_cmd[35418449b5f7a4b8]::assert::Assert> as core[6883ba1bc0fe4ed1]::ops::function::FnOnce<(assert_cmd[35418449b5f7a4b8]::assert::AssertError,)>>::call_once
[INFO] [stdout]                                at /rustc/6b3fa26749ab40e159b2dd5cf577acaaf5902772/library/core/src/ops/function.rs:250:5
[INFO] [stdout]   22:     0x5c98fa041dfb - <core[6883ba1bc0fe4ed1]::result::Result<assert_cmd[35418449b5f7a4b8]::assert::Assert, assert_cmd[35418449b5f7a4b8]::assert::AssertError>>::unwrap_or_else::<<assert_cmd[35418449b5f7a4b8]::assert::AssertError>::panic<assert_cmd[35418449b5f7a4b8]::assert::Assert>>
[INFO] [stdout]                                at /rustc/6b3fa26749ab40e159b2dd5cf577acaaf5902772/library/core/src/result.rs:1620:23
[INFO] [stdout]   23:     0x5c98f9e45014 - <assert_cmd[35418449b5f7a4b8]::assert::Assert>::stdout::<predicates[32cee55fc2d5e3e6]::ord::EqPredicate<&[u8]>, predicates[32cee55fc2d5e3e6]::ord::EqPredicate<&[u8]>>
[INFO] [stdout]                                at /opt/rustwide/cargo-home/registry/src/index.crates.io-1949cf8c6b5b557f/assert_cmd-2.0.11/src/assert.rs:364:31
[INFO] [stdout]   24:     0x5c98f9e4c803 - lib[ef69c164f1f8dd99]::head::run_stdin
[INFO] [stdout]                                at /opt/rustwide/workdir/tests/head/mod.rs:124:10
[INFO] [stdout]   25:     0x5c98f9e4e218 - lib[ef69c164f1f8dd99]::head::ten_stdin
[INFO] [stdout]                                at /opt/rustwide/workdir/tests/head/mod.rs:350:5
[INFO] [stdout]   26:     0x5c98f9e47f67 - lib[ef69c164f1f8dd99]::head::ten_stdin::{closure#0}
[INFO] [stdout]                                at /opt/rustwide/workdir/tests/head/mod.rs:349:19
[INFO] [stdout]   27:     0x5c98f9e52c16 - <lib[ef69c164f1f8dd99]::head::ten_stdin::{closure#0} as core[6883ba1bc0fe4ed1]::ops::function::FnOnce<()>>::call_once
[INFO] [stdout]                                at /rustc/6b3fa26749ab40e159b2dd5cf577acaaf5902772/library/core/src/ops/function.rs:250:5
[INFO] [stdout]   28:     0x5c98f9e52f7b - <fn() -> core[6883ba1bc0fe4ed1]::result::Result<(), alloc[55a36b64bcbf2c0d]::string::String> as core[6883ba1bc0fe4ed1]::ops::function::FnOnce<()>>::call_once
[INFO] [stdout]                                at /rustc/6b3fa26749ab40e159b2dd5cf577acaaf5902772/library/core/src/ops/function.rs:250:5
[INFO] [stdout]   29:     0x5c98f9e52f7b - test[980ffaebd391d06d]::__rust_begin_short_backtrace::<core[6883ba1bc0fe4ed1]::result::Result<(), alloc[55a36b64bcbf2c0d]::string::String>, fn() -> core[6883ba1bc0fe4ed1]::result::Result<(), alloc[55a36b64bcbf2c0d]::string::String>>
[INFO] [stdout]                                at /rustc/6b3fa26749ab40e159b2dd5cf577acaaf5902772/library/test/src/lib.rs:724:18
[INFO] [stdout]   30:     0x5c98f9e605c5 - test[980ffaebd391d06d]::run_test_in_process::{closure#0}
[INFO] [stdout]                                at /rustc/6b3fa26749ab40e159b2dd5cf577acaaf5902772/library/test/src/lib.rs:747:74
[INFO] [stdout]   31:     0x5c98f9e605c5 - <core[6883ba1bc0fe4ed1]::panic::unwind_safe::AssertUnwindSafe<test[980ffaebd391d06d]::run_test_in_process::{closure#0}> as core[6883ba1bc0fe4ed1]::ops::function::FnOnce<()>>::call_once
[INFO] [stdout]                                at /rustc/6b3fa26749ab40e159b2dd5cf577acaaf5902772/library/core/src/panic/unwind_safe.rs:275:9
[INFO] [stdout]   32:     0x5c98f9e605c5 - std[73adb7dc35730857]::panicking::catch_unwind::do_call::<core[6883ba1bc0fe4ed1]::panic::unwind_safe::AssertUnwindSafe<test[980ffaebd391d06d]::run_test_in_process::{closure#0}>, core[6883ba1bc0fe4ed1]::result::Result<(), alloc[55a36b64bcbf2c0d]::string::String>>
[INFO] [stdout]                                at /rustc/6b3fa26749ab40e159b2dd5cf577acaaf5902772/library/std/src/panicking.rs:576:43
[INFO] [stdout]   33:     0x5c98f9e605c5 - std[73adb7dc35730857]::panicking::catch_unwind::<core[6883ba1bc0fe4ed1]::result::Result<(), alloc[55a36b64bcbf2c0d]::string::String>, core[6883ba1bc0fe4ed1]::panic::unwind_safe::AssertUnwindSafe<test[980ffaebd391d06d]::run_test_in_process::{closure#0}>>
[INFO] [stdout]                                at /rustc/6b3fa26749ab40e159b2dd5cf577acaaf5902772/library/std/src/panicking.rs:544:19
[INFO] [stdout]   34:     0x5c98f9e605c5 - std[73adb7dc35730857]::panic::catch_unwind::<core[6883ba1bc0fe4ed1]::panic::unwind_safe::AssertUnwindSafe<test[980ffaebd391d06d]::run_test_in_process::{closure#0}>, core[6883ba1bc0fe4ed1]::result::Result<(), alloc[55a36b64bcbf2c0d]::string::String>>
[INFO] [stdout]                                at /rustc/6b3fa26749ab40e159b2dd5cf577acaaf5902772/library/std/src/panic.rs:359:14
[INFO] [stdout]   35:     0x5c98f9e605c5 - test[980ffaebd391d06d]::run_test_in_process
[INFO] [stdout]                                at /rustc/6b3fa26749ab40e159b2dd5cf577acaaf5902772/library/test/src/lib.rs:747:27
[INFO] [stdout]   36:     0x5c98f9e605c5 - test[980ffaebd391d06d]::run_test::{closure#0}
[INFO] [stdout]                                at /rustc/6b3fa26749ab40e159b2dd5cf577acaaf5902772/library/test/src/lib.rs:668:43
[INFO] [stdout]   37:     0x5c98f9e5b074 - test[980ffaebd391d06d]::run_test::{closure#1}
[INFO] [stdout]                                at /rustc/6b3fa26749ab40e159b2dd5cf577acaaf5902772/library/test/src/lib.rs:698:41
[INFO] [stdout]   38:     0x5c98f9e5b074 - std[73adb7dc35730857]::sys::backtrace::__rust_begin_short_backtrace::<test[980ffaebd391d06d]::run_test::{closure#1}, ()>
[INFO] [stdout]                                at /rustc/6b3fa26749ab40e159b2dd5cf577acaaf5902772/library/std/src/sys/backtrace.rs:166:18
[INFO] [stdout]   39:     0x5c98f9e63712 - std[73adb7dc35730857]::thread::lifecycle::spawn_unchecked::<test[980ffaebd391d06d]::run_test::{closure#1}, ()>::{closure#1}::{closure#0}
[INFO] [stdout]                                at /rustc/6b3fa26749ab40e159b2dd5cf577acaaf5902772/library/std/src/thread/lifecycle.rs:70:13
[INFO] [stdout]   40:     0x5c98f9e63712 - <core[6883ba1bc0fe4ed1]::panic::unwind_safe::AssertUnwindSafe<std[73adb7dc35730857]::thread::lifecycle::spawn_unchecked<test[980ffaebd391d06d]::run_test::{closure#1}, ()>::{closure#1}::{closure#0}> as core[6883ba1bc0fe4ed1]::ops::function::FnOnce<()>>::call_once
[INFO] [stdout]                                at /rustc/6b3fa26749ab40e159b2dd5cf577acaaf5902772/library/core/src/panic/unwind_safe.rs:275:9
[INFO] [stdout]   41:     0x5c98f9e63712 - std[73adb7dc35730857]::panicking::catch_unwind::do_call::<core[6883ba1bc0fe4ed1]::panic::unwind_safe::AssertUnwindSafe<std[73adb7dc35730857]::thread::lifecycle::spawn_unchecked<test[980ffaebd391d06d]::run_test::{closure#1}, ()>::{closure#1}::{closure#0}>, ()>
[INFO] [stdout]                                at /rustc/6b3fa26749ab40e159b2dd5cf577acaaf5902772/library/std/src/panicking.rs:576:43
[INFO] [stdout]   42:     0x5c98f9e63712 - std[73adb7dc35730857]::panicking::catch_unwind::<(), core[6883ba1bc0fe4ed1]::panic::unwind_safe::AssertUnwindSafe<std[73adb7dc35730857]::thread::lifecycle::spawn_unchecked<test[980ffaebd391d06d]::run_test::{closure#1}, ()>::{closure#1}::{closure#0}>>
[INFO] [stdout]                                at /rustc/6b3fa26749ab40e159b2dd5cf577acaaf5902772/library/std/src/panicking.rs:544:19
[INFO] [stdout]   43:     0x5c98f9e63712 - std[73adb7dc35730857]::panic::catch_unwind::<core[6883ba1bc0fe4ed1]::panic::unwind_safe::AssertUnwindSafe<std[73adb7dc35730857]::thread::lifecycle::spawn_unchecked<test[980ffaebd391d06d]::run_test::{closure#1}, ()>::{closure#1}::{closure#0}>, ()>
[INFO] [stdout]                                at /rustc/6b3fa26749ab40e159b2dd5cf577acaaf5902772/library/std/src/panic.rs:359:14
[INFO] [stdout]   44:     0x5c98f9e63712 - std[73adb7dc35730857]::thread::lifecycle::spawn_unchecked::<test[980ffaebd391d06d]::run_test::{closure#1}, ()>::{closure#1}
[INFO] [stdout]                                at /rustc/6b3fa26749ab40e159b2dd5cf577acaaf5902772/library/std/src/thread/lifecycle.rs:68:26
[INFO] [stdout]   45:     0x5c98f9e63712 - <std[73adb7dc35730857]::thread::lifecycle::spawn_unchecked<test[980ffaebd391d06d]::run_test::{closure#1}, ()>::{closure#1} as core[6883ba1bc0fe4ed1]::ops::function::FnOnce<()>>::call_once::{shim:vtable#0}
[INFO] [stdout]                                at /rustc/6b3fa26749ab40e159b2dd5cf577acaaf5902772/library/core/src/ops/function.rs:250:5
[INFO] [stdout]   46:     0x5c98fa0d44af - <alloc[55a36b64bcbf2c0d]::boxed::Box<dyn core[6883ba1bc0fe4ed1]::ops::function::FnOnce<(), Output = ()> + core[6883ba1bc0fe4ed1]::marker::Send> as core[6883ba1bc0fe4ed1]::ops::function::FnOnce<()>>::call_once
[INFO] [stdout]                                at /rustc/6b3fa26749ab40e159b2dd5cf577acaaf5902772/library/alloc/src/boxed.rs:2319:9
[INFO] [stdout]   47:     0x5c98fa0d44af - <std[73adb7dc35730857]::sys::thread::unix::Thread>::new::thread_start
[INFO] [stdout]                                at /rustc/6b3fa26749ab40e159b2dd5cf577acaaf5902772/library/std/src/sys/thread/unix.rs:123:17
[INFO] [stdout]   48:     0x718092357aa4 - <unknown>
[INFO] [stdout]   49:     0x7180923e4a64 - clone
[INFO] [stdout]   50:                0x0 - <unknown>
[INFO] [stdout] 
[INFO] [stdout] ---- head::ten stdout ----
[INFO] [stdout] 
[INFO] [stdout] thread 'head::ten' (3241) panicked at /rustc/6b3fa26749ab40e159b2dd5cf577acaaf5902772/library/core/src/ops/function.rs:250:5:
[INFO] [stdout] Unexpected failure.
[INFO] [stdout] code-101
[INFO] [stdout] stderr=```<90 lines total>
[INFO] [stdout] ```
[INFO] [stdout] 
[INFO] [stdout] thread \'main\' (3266) panicked at /opt/rustwide/cargo-home/registry/src/index.crates.io-1949cf8c6b5b557f/clap-3.2.25/src/parser/matches/arg_matches.rs:547:22:
[INFO] [stdout] Must use `Arg::allow_invalid_utf8` with `_os` lookups at `files`
[INFO] [stdout] stack backtrace:
[INFO] [stdout]    0:     0x62e0c22a1601 - std[73adb7dc35730857]::backtrace_rs::backtrace::libunwind::trace
[INFO] [stdout]                                at /rustc/6b3fa26749ab40e159b2dd5cf577acaaf5902772/library/std/src/../../backtrace/src/backtrace/libunwind.rs:117:9
[INFO] [stdout]    1:     0x62e0c22a1601 - std[73adb7dc35730857]::backtrace_rs::backtrace::trace_unsynchronized::<std[73adb7dc35730857]::sys::backtrace::_print_fmt::{closure#1}>
[INFO] [stdout]                                at /rustc/6b3fa26749ab40e159b2dd5cf577acaaf5902772/library/std/src/../../backtrace/src/backtrace/mod.rs:66:14
[INFO] [stdout]    2:     0x62e0c22a1601 - std[73adb7dc35730857]::sys::backtrace::_print_fmt
[INFO] [stdout]                                at /rustc/6b3fa26749ab40e159b2dd5cf577acaaf5902772/library/std/src/sys/backtrace.rs:74:9
[INFO] [stdout]    3:     0x62e0c22a1601 - <<std[73adb7dc35730857]::sys::backtrace::BacktraceLock>::print::DisplayBacktrace as core[6883ba1bc0fe4ed1]::fmt::Display>::fmt
[INFO] [stdout]                                at /rustc/6b3fa26749ab40e159b2dd5cf577acaaf5902772/library/std/src/sys/backtrace.rs:44:26
[INFO] [stdout]    4:     0x62e0c22b528a - <core[6883ba1bc0fe4ed1]::fmt::rt::Argument>::fmt
[INFO] [stdout]                                at /rustc/6b3fa26749ab40e159b2dd5cf577acaaf5902772/library/core/src/fmt/rt.rs:152:76
[INFO] [stdout]    5:     0x62e0c22b528a - core[6883ba1bc0fe4ed1]::fmt::write
[INFO] [stdout]    6:     0x62e0c22a6cec - std[73adb7dc35730857]::io::default_write_fmt::<std[73adb7dc35730857]::sys::stdio::unix::Stderr>
[INFO] [stdout]                                at /rustc/6b3fa26749ab40e159b2dd5cf577acaaf5902772/library/std/src/io/mod.rs:626:11
[INFO] [stdout]    7:     0x62e0c22a6cec - <std[73adb7dc35730857]::sys::stdio::unix::Stderr as std[73adb7dc35730857]::io::Write>::write_fmt
[INFO] [stdout]                                at /rustc/6b3fa26749ab40e159b2dd5cf577acaaf5902772/library/std/src/io/mod.rs:1730:13
[INFO] [stdout]    8:     0x62e0c228be16 - <std[73adb7dc35730857]::sys::backtrace::BacktraceLock>::print
[INFO] [stdout] ```
[INFO] [stdout] <30 lines omitted>
[INFO] [stdout] ```
[INFO] [stdout]                                at /rustc/6b3fa26749ab40e159b2dd5cf577acaaf5902772/library/alloc/src/vec/mod.rs:3941:9
[INFO] [stdout]   24:     0x62e0c213b08e - <core[6883ba1bc0fe4ed1]::iter::adapters::map::Map<core[6883ba1bc0fe4ed1]::iter::adapters::flatten::Flatten<core[6883ba1bc0fe4ed1]::slice::iter::Iter<alloc[55a36b64bcbf2c0d]::vec::Vec<clap[965b0170b9d3cf34]::parser::matches::any_value::AnyValue>>>, <clap[965b0170b9d3cf34]::parser::matches::arg_matches::ArgMatches>::values_of_lossy<&str>::{closure#0}> as core[6883ba1bc0fe4ed1]::iter::traits::iterator::Iterator>::collect::<alloc[55a36b64bcbf2c0d]::vec::Vec<alloc[55a36b64bcbf2c0d]::string::String>>
[INFO] [stdout]                                at /rustc/6b3fa26749ab40e159b2dd5cf577acaaf5902772/library/core/src/iter/traits/iterator.rs:2090:9
[INFO] [stdout]   25:     0x62e0c2135166 - <clap[965b0170b9d3cf34]::parser::matches::arg_matches::ArgMatches>::values_of_lossy::<&str>
[INFO] [stdout]                                at /opt/rustwide/cargo-home/registry/src/index.crates.io-1949cf8c6b5b557f/clap-3.2.25/src/parser/matches/arg_matches.rs:548:14
[INFO] [stdout]   26:     0x62e0c213f18b - command_line_rust[2a7d65b3375657d0]::head::get_args
[INFO] [stdout]                                at /opt/rustwide/workdir/src/head/mod.rs:92:24
[INFO] [stdout]   27:     0x62e0c2134ad2 - head[5f62c2f9cff836a0]::main
[INFO] [stdout]                                at /opt/rustwide/workdir/src/head/main.rs:4:21
[INFO] [stdout]   28:     0x62e0c2134beb - <fn() as core[6883ba1bc0fe4ed1]::ops::function::FnOnce<()>>::call_once
[INFO] [stdout]                                at /rustc/6b3fa26749ab40e159b2dd5cf577acaaf5902772/library/core/src/ops/function.rs:250:5
[INFO] [stdout]   29:     0x62e0c2134a5e - std[73adb7dc35730857]::sys::backtrace::__rust_begin_short_backtrace::<fn(), ()>
[INFO] [stdout]                                at /rustc/6b3fa26749ab40e159b2dd5cf577acaaf5902772/library/std/src/sys/backtrace.rs:166:18
[INFO] [stdout]   30:     0x62e0c2134a81 - std[73adb7dc35730857]::rt::lang_start::<()>::{closure#0}
[INFO] [stdout]                                at /rustc/6b3fa26749ab40e159b2dd5cf577acaaf5902772/library/std/src/rt.rs:206:18
[INFO] [stdout]   31:     0x62e0c229c547 - <&dyn core[6883ba1bc0fe4ed1]::ops::function::Fn<(), Output = i32> + core[6883ba1bc0fe4ed1]::panic::unwind_safe::RefUnwindSafe + core[6883ba1bc0fe4ed1]::marker::Sync as core[6883ba1bc0fe4ed1]::ops::function::FnOnce<()>>::call_once
[INFO] [stdout]                                at /rustc/6b3fa26749ab40e159b2dd5cf577acaaf5902772/library/core/src/ops/function.rs:287:21
[INFO] [stdout]   32:     0x62e0c229c547 - std[73adb7dc35730857]::panicking::catch_unwind::do_call::<&dyn core[6883ba1bc0fe4ed1]::ops::function::Fn<(), Output = i32> + core[6883ba1bc0fe4ed1]::panic::unwind_safe::RefUnwindSafe + core[6883ba1bc0fe4ed1]::marker::Sync, i32>
[INFO] [stdout]                                at /rustc/6b3fa26749ab40e159b2dd5cf577acaaf5902772/library/std/src/panicking.rs:576:43
[INFO] [stdout]   33:     0x62e0c229c547 - std[73adb7dc35730857]::panicking::catch_unwind::<i32, &dyn core[6883ba1bc0fe4ed1]::ops::function::Fn<(), Output = i32> + core[6883ba1bc0fe4ed1]::panic::unwind_safe::RefUnwindSafe + core[6883ba1bc0fe4ed1]::marker::Sync>
[INFO] [stdout]                                at /rustc/6b3fa26749ab40e159b2dd5cf577acaaf5902772/library/std/src/panicking.rs:544:19
[INFO] [stdout]   34:     0x62e0c229c547 - std[73adb7dc35730857]::panic::catch_unwind::<&dyn core[6883ba1bc0fe4ed1]::ops::function::Fn<(), Output = i32> + core[6883ba1bc0fe4ed1]::panic::unwind_safe::RefUnwindSafe + core[6883ba1bc0fe4ed1]::marker::Sync, i32>
[INFO] [stdout]                                at /rustc/6b3fa26749ab40e159b2dd5cf577acaaf5902772/library/std/src/panic.rs:359:14
[INFO] [stdout]   35:     0x62e0c229c547 - std[73adb7dc35730857]::rt::lang_start_internal::{closure#0}
[INFO] [stdout]                                at /rustc/6b3fa26749ab40e159b2dd5cf577acaaf5902772/library/std/src/rt.rs:175:24
[INFO] [stdout]   36:     0x62e0c229c547 - std[73adb7dc35730857]::panicking::catch_unwind::do_call::<std[73adb7dc35730857]::rt::lang_start_internal::{closure#0}, isize>
[INFO] [stdout]                                at /rustc/6b3fa26749ab40e159b2dd5cf577acaaf5902772/library/std/src/panicking.rs:576:43
[INFO] [stdout]   37:     0x62e0c229c547 - std[73adb7dc35730857]::panicking::catch_unwind::<isize, std[73adb7dc35730857]::rt::lang_start_internal::{closure#0}>
[INFO] [stdout]                                at /rustc/6b3fa26749ab40e159b2dd5cf577acaaf5902772/library/std/src/panicking.rs:544:19
[INFO] [stdout]   38:     0x62e0c229c547 - std[73adb7dc35730857]::panic::catch_unwind::<std[73adb7dc35730857]::rt::lang_start_internal::{closure#0}, isize>
[INFO] [stdout]                                at /rustc/6b3fa26749ab40e159b2dd5cf577acaaf5902772/library/std/src/panic.rs:359:14
[INFO] [stdout]   39:     0x62e0c229c547 - std[73adb7dc35730857]::rt::lang_start_internal
[INFO] [stdout]                                at /rustc/6b3fa26749ab40e159b2dd5cf577acaaf5902772/library/std/src/rt.rs:171:5
[INFO] [stdout]   40:     0x62e0c2134a47 - std[73adb7dc35730857]::rt::lang_start::<()>
[INFO] [stdout]                                at /rustc/6b3fa26749ab40e159b2dd5cf577acaaf5902772/library/std/src/rt.rs:205:5
[INFO] [stdout]   41:     0x62e0c2134c7e - main
[INFO] [stdout]   42:     0x738891ad91ca - <unknown>
[INFO] [stdout]   43:     0x738891ad928b - __libc_start_main
[INFO] [stdout]   44:     0x62e0c21348a5 - _start
[INFO] [stdout]   45:                0x0 - <unknown>
[INFO] [stdout] ```
[INFO] [stdout] ```
[INFO] [stdout] command=`"/opt/rustwide/target/debug/head" "tests/head/inputs/ten.txt"`
[INFO] [stdout] code=101
[INFO] [stdout] stdout=""
[INFO] [stdout] stderr=<90 lines total>
[INFO] [stdout] ```
[INFO] [stdout] 
[INFO] [stdout] thread \'main\' (3266) panicked at /opt/rustwide/cargo-home/registry/src/index.crates.io-1949cf8c6b5b557f/clap-3.2.25/src/parser/matches/arg_matches.rs:547:22:
[INFO] [stdout] Must use `Arg::allow_invalid_utf8` with `_os` lookups at `files`
[INFO] [stdout] stack backtrace:
[INFO] [stdout]    0:     0x62e0c22a1601 - std[73adb7dc35730857]::backtrace_rs::backtrace::libunwind::trace
[INFO] [stdout]                                at /rustc/6b3fa26749ab40e159b2dd5cf577acaaf5902772/library/std/src/../../backtrace/src/backtrace/libunwind.rs:117:9
[INFO] [stdout]    1:     0x62e0c22a1601 - std[73adb7dc35730857]::backtrace_rs::backtrace::trace_unsynchronized::<std[73adb7dc35730857]::sys::backtrace::_print_fmt::{closure#1}>
[INFO] [stdout]                                at /rustc/6b3fa26749ab40e159b2dd5cf577acaaf5902772/library/std/src/../../backtrace/src/backtrace/mod.rs:66:14
[INFO] [stdout]    2:     0x62e0c22a1601 - std[73adb7dc35730857]::sys::backtrace::_print_fmt
[INFO] [stdout]                                at /rustc/6b3fa26749ab40e159b2dd5cf577acaaf5902772/library/std/src/sys/backtrace.rs:74:9
[INFO] [stdout]    3:     0x62e0c22a1601 - <<std[73adb7dc35730857]::sys::backtrace::BacktraceLock>::print::DisplayBacktrace as core[6883ba1bc0fe4ed1]::fmt::Display>::fmt
[INFO] [stdout]                                at /rustc/6b3fa26749ab40e159b2dd5cf577acaaf5902772/library/std/src/sys/backtrace.rs:44:26
[INFO] [stdout]    4:     0x62e0c22b528a - <core[6883ba1bc0fe4ed1]::fmt::rt::Argument>::fmt
[INFO] [stdout]                                at /rustc/6b3fa26749ab40e159b2dd5cf577acaaf5902772/library/core/src/fmt/rt.rs:152:76
[INFO] [stdout]    5:     0x62e0c22b528a - core[6883ba1bc0fe4ed1]::fmt::write
[INFO] [stdout]    6:     0x62e0c22a6cec - std[73adb7dc35730857]::io::default_write_fmt::<std[73adb7dc35730857]::sys::stdio::unix::Stderr>
[INFO] [stdout]                                at /rustc/6b3fa26749ab40e159b2dd5cf577acaaf5902772/library/std/src/io/mod.rs:626:11
[INFO] [stdout]    7:     0x62e0c22a6cec - <std[73adb7dc35730857]::sys::stdio::unix::Stderr as std[73adb7dc35730857]::io::Write>::write_fmt
[INFO] [stdout]                                at /rustc/6b3fa26749ab40e159b2dd5cf577acaaf5902772/library/std/src/io/mod.rs:1730:13
[INFO] [stdout]    8:     0x62e0c228be16 - <std[73adb7dc35730857]::sys::backtrace::BacktraceLock>::print
[INFO] [stdout] ```
[INFO] [stdout] <30 lines omitted>
[INFO] [stdout] ```
[INFO] [stdout]                                at /rustc/6b3fa26749ab40e159b2dd5cf577acaaf5902772/library/alloc/src/vec/mod.rs:3941:9
[INFO] [stdout]   24:     0x62e0c213b08e - <core[6883ba1bc0fe4ed1]::iter::adapters::map::Map<core[6883ba1bc0fe4ed1]::iter::adapters::flatten::Flatten<core[6883ba1bc0fe4ed1]::slice::iter::Iter<alloc[55a36b64bcbf2c0d]::vec::Vec<clap[965b0170b9d3cf34]::parser::matches::any_value::AnyValue>>>, <clap[965b0170b9d3cf34]::parser::matches::arg_matches::ArgMatches>::values_of_lossy<&str>::{closure#0}> as core[6883ba1bc0fe4ed1]::iter::traits::iterator::Iterator>::collect::<alloc[55a36b64bcbf2c0d]::vec::Vec<alloc[55a36b64bcbf2c0d]::string::String>>
[INFO] [stdout]                                at /rustc/6b3fa26749ab40e159b2dd5cf577acaaf5902772/library/core/src/iter/traits/iterator.rs:2090:9
[INFO] [stdout]   25:     0x62e0c2135166 - <clap[965b0170b9d3cf34]::parser::matches::arg_matches::ArgMatches>::values_of_lossy::<&str>
[INFO] [stdout]                                at /opt/rustwide/cargo-home/registry/src/index.crates.io-1949cf8c6b5b557f/clap-3.2.25/src/parser/matches/arg_matches.rs:548:14
[INFO] [stdout]   26:     0x62e0c213f18b - command_line_rust[2a7d65b3375657d0]::head::get_args
[INFO] [stdout]                                at /opt/rustwide/workdir/src/head/mod.rs:92:24
[INFO] [stdout]   27:     0x62e0c2134ad2 - head[5f62c2f9cff836a0]::main
[INFO] [stdout]                                at /opt/rustwide/workdir/src/head/main.rs:4:21
[INFO] [stdout]   28:     0x62e0c2134beb - <fn() as core[6883ba1bc0fe4ed1]::ops::function::FnOnce<()>>::call_once
[INFO] [stdout]                                at /rustc/6b3fa26749ab40e159b2dd5cf577acaaf5902772/library/core/src/ops/function.rs:250:5
[INFO] [stdout]   29:     0x62e0c2134a5e - std[73adb7dc35730857]::sys::backtrace::__rust_begin_short_backtrace::<fn(), ()>
[INFO] [stdout]                                at /rustc/6b3fa26749ab40e159b2dd5cf577acaaf5902772/library/std/src/sys/backtrace.rs:166:18
[INFO] [stdout]   30:     0x62e0c2134a81 - std[73adb7dc35730857]::rt::lang_start::<()>::{closure#0}
[INFO] [stdout]                                at /rustc/6b3fa26749ab40e159b2dd5cf577acaaf5902772/library/std/src/rt.rs:206:18
[INFO] [stdout]   31:     0x62e0c229c547 - <&dyn core[6883ba1bc0fe4ed1]::ops::function::Fn<(), Output = i32> + core[6883ba1bc0fe4ed1]::panic::unwind_safe::RefUnwindSafe + core[6883ba1bc0fe4ed1]::marker::Sync as core[6883ba1bc0fe4ed1]::ops::function::FnOnce<()>>::call_once
[INFO] [stdout]                                at /rustc/6b3fa26749ab40e159b2dd5cf577acaaf5902772/library/core/src/ops/function.rs:287:21
[INFO] [stdout]   32:     0x62e0c229c547 - std[73adb7dc35730857]::panicking::catch_unwind::do_call::<&dyn core[6883ba1bc0fe4ed1]::ops::function::Fn<(), Output = i32> + core[6883ba1bc0fe4ed1]::panic::unwind_safe::RefUnwindSafe + core[6883ba1bc0fe4ed1]::marker::Sync, i32>
[INFO] [stdout]                                at /rustc/6b3fa26749ab40e159b2dd5cf577acaaf5902772/library/std/src/panicking.rs:576:43
[INFO] [stdout]   33:     0x62e0c229c547 - std[73adb7dc35730857]::panicking::catch_unwind::<i32, &dyn core[6883ba1bc0fe4ed1]::ops::function::Fn<(), Output = i32> + core[6883ba1bc0fe4ed1]::panic::unwind_safe::RefUnwindSafe + core[6883ba1bc0fe4ed1]::marker::Sync>
[INFO] [stdout]                                at /rustc/6b3fa26749ab40e159b2dd5cf577acaaf5902772/library/std/src/panicking.rs:544:19
[INFO] [stdout]   34:     0x62e0c229c547 - std[73adb7dc35730857]::panic::catch_unwind::<&dyn core[6883ba1bc0fe4ed1]::ops::function::Fn<(), Output = i32> + core[6883ba1bc0fe4ed1]::panic::unwind_safe::RefUnwindSafe + core[6883ba1bc0fe4ed1]::marker::Sync, i32>
[INFO] [stdout]                                at /rustc/6b3fa26749ab40e159b2dd5cf577acaaf5902772/library/std/src/panic.rs:359:14
[INFO] [stdout]   35:     0x62e0c229c547 - std[73adb7dc35730857]::rt::lang_start_internal::{closure#0}
[INFO] [stdout]                                at /rustc/6b3fa26749ab40e159b2dd5cf577acaaf5902772/library/std/src/rt.rs:175:24
[INFO] [stdout]   36:     0x62e0c229c547 - std[73adb7dc35730857]::panicking::catch_unwind::do_call::<std[73adb7dc35730857]::rt::lang_start_internal::{closure#0}, isize>
[INFO] [stdout]                                at /rustc/6b3fa26749ab40e159b2dd5cf577acaaf5902772/library/std/src/panicking.rs:576:43
[INFO] [stdout]   37:     0x62e0c229c547 - std[73adb7dc35730857]::panicking::catch_unwind::<isize, std[73adb7dc35730857]::rt::lang_start_internal::{closure#0}>
[INFO] [stdout]                                at /rustc/6b3fa26749ab40e159b2dd5cf577acaaf5902772/library/std/src/panicking.rs:544:19
[INFO] [stdout]   38:     0x62e0c229c547 - std[73adb7dc35730857]::panic::catch_unwind::<std[73adb7dc35730857]::rt::lang_start_internal::{closure#0}, isize>
[INFO] [stdout]                                at /rustc/6b3fa26749ab40e159b2dd5cf577acaaf5902772/library/std/src/panic.rs:359:14
[INFO] [stdout]   39:     0x62e0c229c547 - std[73adb7dc35730857]::rt::lang_start_internal
[INFO] [stdout]                                at /rustc/6b3fa26749ab40e159b2dd5cf577acaaf5902772/library/std/src/rt.rs:171:5
[INFO] [stdout]   40:     0x62e0c2134a47 - std[73adb7dc35730857]::rt::lang_start::<()>
[INFO] [stdout]                                at /rustc/6b3fa26749ab40e159b2dd5cf577acaaf5902772/library/std/src/rt.rs:205:5
[INFO] [stdout]   41:     0x62e0c2134c7e - main
[INFO] [stdout]   42:     0x738891ad91ca - <unknown>
[INFO] [stdout]   43:     0x738891ad928b - __libc_start_main
[INFO] [stdout]   44:     0x62e0c21348a5 - _start
[INFO] [stdout]   45:                0x0 - <unknown>
[INFO] [stdout] ```
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] stack backtrace:
[INFO] [stdout]    0:     0x5c98fa0d5011 - std[73adb7dc35730857]::backtrace_rs::backtrace::libunwind::trace
[INFO] [stdout]                                at /rustc/6b3fa26749ab40e159b2dd5cf577acaaf5902772/library/std/src/../../backtrace/src/backtrace/libunwind.rs:117:9
[INFO] [stdout]    1:     0x5c98fa0d5011 - std[73adb7dc35730857]::backtrace_rs::backtrace::trace_unsynchronized::<std[73adb7dc35730857]::sys::backtrace::_print_fmt::{closure#1}>
[INFO] [stdout]                                at /rustc/6b3fa26749ab40e159b2dd5cf577acaaf5902772/library/std/src/../../backtrace/src/backtrace/mod.rs:66:14
[INFO] [stdout]    2:     0x5c98fa0d5011 - std[73adb7dc35730857]::sys::backtrace::_print_fmt
[INFO] [stdout]                                at /rustc/6b3fa26749ab40e159b2dd5cf577acaaf5902772/library/std/src/sys/backtrace.rs:74:9
[INFO] [stdout]    3:     0x5c98fa0d5011 - <<std[73adb7dc35730857]::sys::backtrace::BacktraceLock>::print::DisplayBacktrace as core[6883ba1bc0fe4ed1]::fmt::Display>::fmt
[INFO] [stdout]                                at /rustc/6b3fa26749ab40e159b2dd5cf577acaaf5902772/library/std/src/sys/backtrace.rs:44:26
[INFO] [stdout]    4:     0x5c98fa0eb71a - <core[6883ba1bc0fe4ed1]::fmt::rt::Argument>::fmt
[INFO] [stdout]                                at /rustc/6b3fa26749ab40e159b2dd5cf577acaaf5902772/library/core/src/fmt/rt.rs:152:76
[INFO] [stdout]    5:     0x5c98fa0eb71a - core[6883ba1bc0fe4ed1]::fmt::write
[INFO] [stdout]    6:     0x5c98fa0da99c - std[73adb7dc35730857]::io::default_write_fmt::<alloc[55a36b64bcbf2c0d]::vec::Vec<u8>>
[INFO] [stdout]                                at /rustc/6b3fa26749ab40e159b2dd5cf577acaaf5902772/library/std/src/io/mod.rs:626:11
[INFO] [stdout]    7:     0x5c98fa0da99c - <alloc[55a36b64bcbf2c0d]::vec::Vec<u8> as std[73adb7dc35730857]::io::Write>::write_fmt
[INFO] [stdout]                                at /rustc/6b3fa26749ab40e159b2dd5cf577acaaf5902772/library/std/src/io/mod.rs:1730:13
[INFO] [stdout]    8:     0x5c98fa0b2986 - <std[73adb7dc35730857]::sys::backtrace::BacktraceLock>::print
[INFO] [stdout]                                at /rustc/6b3fa26749ab40e159b2dd5cf577acaaf5902772/library/std/src/sys/backtrace.rs:47:9
[INFO] [stdout]    9:     0x5c98fa0b2986 - std[73adb7dc35730857]::panicking::default_hook::{closure#0}
[INFO] [stdout]                                at /rustc/6b3fa26749ab40e159b2dd5cf577acaaf5902772/library/std/src/panicking.rs:292:27
[INFO] [stdout]   10:     0x5c98fa0ccd09 - std[73adb7dc35730857]::panicking::default_hook
[INFO] [stdout]                                at /rustc/6b3fa26749ab40e159b2dd5cf577acaaf5902772/library/std/src/panicking.rs:316:9
[INFO] [stdout]   11:     0x5c98f9e5fc40 - <alloc[55a36b64bcbf2c0d]::boxed::Box<dyn for<'a, 'b> core[6883ba1bc0fe4ed1]::ops::function::Fn<(&'a std[73adb7dc35730857]::panic::PanicHookInfo<'b>,), Output = ()> + core[6883ba1bc0fe4ed1]::marker::Send + core[6883ba1bc0fe4ed1]::marker::Sync> as core[6883ba1bc0fe4ed1]::ops::function::Fn<(&std[73adb7dc35730857]::panic::PanicHookInfo,)>>::call
[INFO] [stdout]                                at /rustc/6b3fa26749ab40e159b2dd5cf577acaaf5902772/library/alloc/src/boxed.rs:2333:9
[INFO] [stdout]   12:     0x5c98f9e5fc40 - test[980ffaebd391d06d]::test_main_inner::<test[980ffaebd391d06d]::test_main_static::{closure#0}>::{closure#0}
[INFO] [stdout]                                at /rustc/6b3fa26749ab40e159b2dd5cf577acaaf5902772/library/test/src/lib.rs:155:21
[INFO] [stdout]   13:     0x5c98fa0ccec2 - <alloc[55a36b64bcbf2c0d]::boxed::Box<dyn for<'a, 'b> core[6883ba1bc0fe4ed1]::ops::function::Fn<(&'a std[73adb7dc35730857]::panic::PanicHookInfo<'b>,), Output = ()> + core[6883ba1bc0fe4ed1]::marker::Send + core[6883ba1bc0fe4ed1]::marker::Sync> as core[6883ba1bc0fe4ed1]::ops::function::Fn<(&std[73adb7dc35730857]::panic::PanicHookInfo,)>>::call
[INFO] [stdout]                                at /rustc/6b3fa26749ab40e159b2dd5cf577acaaf5902772/library/alloc/src/boxed.rs:2333:9
[INFO] [stdout]   14:     0x5c98fa0ccec2 - std[73adb7dc35730857]::panicking::panic_with_hook
[INFO] [stdout]                                at /rustc/6b3fa26749ab40e159b2dd5cf577acaaf5902772/library/std/src/panicking.rs:823:13
[INFO] [stdout]   15:     0x5c98fa0b2a32 - std[73adb7dc35730857]::panicking::panic_handler::{closure#0}
[INFO] [stdout]                                at /rustc/6b3fa26749ab40e159b2dd5cf577acaaf5902772/library/std/src/panicking.rs:688:13
[INFO] [stdout]   16:     0x5c98fa0aa1d9 - std[73adb7dc35730857]::sys::backtrace::__rust_end_short_backtrace::<std[73adb7dc35730857]::panicking::panic_handler::{closure#0}, !>
[INFO] [stdout]                                at /rustc/6b3fa26749ab40e159b2dd5cf577acaaf5902772/library/std/src/sys/backtrace.rs:182:18
[INFO] [stdout]   17:     0x5c98fa0b362d - __rustc[a7b7b02e776dd976]::rust_begin_unwind
[INFO] [stdout]                                at /rustc/6b3fa26749ab40e159b2dd5cf577acaaf5902772/library/std/src/panicking.rs:679:5
[INFO] [stdout]   18:     0x5c98fa0ebf9c - core[6883ba1bc0fe4ed1]::panicking::panic_fmt
[INFO] [stdout]                                at /rustc/6b3fa26749ab40e159b2dd5cf577acaaf5902772/library/core/src/panicking.rs:80:14
[INFO] [stdout]   19:     0x5c98fa03b8b8 - core[6883ba1bc0fe4ed1]::panicking::panic_display::<assert_cmd[35418449b5f7a4b8]::assert::AssertError>
[INFO] [stdout]                                at /rustc/6b3fa26749ab40e159b2dd5cf577acaaf5902772/library/core/src/panicking.rs:259:5
[INFO] [stdout]   20:     0x5c98fa0426c7 - <assert_cmd[35418449b5f7a4b8]::assert::AssertError>::panic::<assert_cmd[35418449b5f7a4b8]::assert::Assert>
[INFO] [stdout]                                at /opt/rustwide/cargo-home/registry/src/index.crates.io-1949cf8c6b5b557f/assert_cmd-2.0.11/src/assert.rs:1033:9
[INFO] [stdout]   21:     0x5c98fa038947 - <<assert_cmd[35418449b5f7a4b8]::assert::AssertError>::panic<assert_cmd[35418449b5f7a4b8]::assert::Assert> as core[6883ba1bc0fe4ed1]::ops::function::FnOnce<(assert_cmd[35418449b5f7a4b8]::assert::AssertError,)>>::call_once
[INFO] [stdout]                                at /rustc/6b3fa26749ab40e159b2dd5cf577acaaf5902772/library/core/src/ops/function.rs:250:5
[INFO] [stdout]   22:     0x5c98fa041dfb - <core[6883ba1bc0fe4ed1]::result::Result<assert_cmd[35418449b5f7a4b8]::assert::Assert, assert_cmd[35418449b5f7a4b8]::assert::AssertError>>::unwrap_or_else::<<assert_cmd[35418449b5f7a4b8]::assert::AssertError>::panic<assert_cmd[35418449b5f7a4b8]::assert::Assert>>
[INFO] [stdout]                                at /rustc/6b3fa26749ab40e159b2dd5cf577acaaf5902772/library/core/src/result.rs:1620:23
[INFO] [stdout]   23:     0x5c98fa0442a0 - <assert_cmd[35418449b5f7a4b8]::assert::Assert>::success
[INFO] [stdout]                                at /opt/rustwide/cargo-home/registry/src/index.crates.io-1949cf8c6b5b557f/assert_cmd-2.0.11/src/assert.rs:158:28
[INFO] [stdout]   24:     0x5c98f9e4c073 - lib[ef69c164f1f8dd99]::head::run
[INFO] [stdout]                                at /opt/rustwide/workdir/tests/head/mod.rs:105:10
[INFO] [stdout]   25:     0x5c98f9e4debe - lib[ef69c164f1f8dd99]::head::ten
[INFO] [stdout]                                at /opt/rustwide/workdir/tests/head/mod.rs:325:5
[INFO] [stdout]   26:     0x5c98f9e47a87 - lib[ef69c164f1f8dd99]::head::ten::{closure#0}
[INFO] [stdout]                                at /opt/rustwide/workdir/tests/head/mod.rs:324:13
[INFO] [stdout]   27:     0x5c98f9e52596 - <lib[ef69c164f1f8dd99]::head::ten::{closure#0} as core[6883ba1bc0fe4ed1]::ops::function::FnOnce<()>>::call_once
[INFO] [stdout]                                at /rustc/6b3fa26749ab40e159b2dd5cf577acaaf5902772/library/core/src/ops/function.rs:250:5
[INFO] [stdout]   28:     0x5c98f9e52f7b - <fn() -> core[6883ba1bc0fe4ed1]::result::Result<(), alloc[55a36b64bcbf2c0d]::string::String> as core[6883ba1bc0fe4ed1]::ops::function::FnOnce<()>>::call_once
[INFO] [stdout]                                at /rustc/6b3fa26749ab40e159b2dd5cf577acaaf5902772/library/core/src/ops/function.rs:250:5
[INFO] [stdout]   29:     0x5c98f9e52f7b - test[980ffaebd391d06d]::__rust_begin_short_backtrace::<core[6883ba1bc0fe4ed1]::result::Result<(), alloc[55a36b64bcbf2c0d]::string::String>, fn() -> core[6883ba1bc0fe4ed1]::result::Result<(), alloc[55a36b64bcbf2c0d]::string::String>>
[INFO] [stdout]                                at /rustc/6b3fa26749ab40e159b2dd5cf577acaaf5902772/library/test/src/lib.rs:724:18
[INFO] [stdout]   30:     0x5c98f9e605c5 - test[980ffaebd391d06d]::run_test_in_process::{closure#0}
[INFO] [stdout]                                at /rustc/6b3fa26749ab40e159b2dd5cf577acaaf5902772/library/test/src/lib.rs:747:74
[INFO] [stdout]   31:     0x5c98f9e605c5 - <core[6883ba1bc0fe4ed1]::panic::unwind_safe::AssertUnwindSafe<test[980ffaebd391d06d]::run_test_in_process::{closure#0}> as core[6883ba1bc0fe4ed1]::ops::function::FnOnce<()>>::call_once
[INFO] [stdout]                                at /rustc/6b3fa26749ab40e159b2dd5cf577acaaf5902772/library/core/src/panic/unwind_safe.rs:275:9
[INFO] [stdout]   32:     0x5c98f9e605c5 - std[73adb7dc35730857]::panicking::catch_unwind::do_call::<core[6883ba1bc0fe4ed1]::panic::unwind_safe::AssertUnwindSafe<test[980ffaebd391d06d]::run_test_in_process::{closure#0}>, core[6883ba1bc0fe4ed1]::result::Result<(), alloc[55a36b64bcbf2c0d]::string::String>>
[INFO] [stdout]                                at /rustc/6b3fa26749ab40e159b2dd5cf577acaaf5902772/library/std/src/panicking.rs:576:43
[INFO] [stdout]   33:     0x5c98f9e605c5 - std[73adb7dc35730857]::panicking::catch_unwind::<core[6883ba1bc0fe4ed1]::result::Result<(), alloc[55a36b64bcbf2c0d]::string::String>, core[6883ba1bc0fe4ed1]::panic::unwind_safe::AssertUnwindSafe<test[980ffaebd391d06d]::run_test_in_process::{closure#0}>>
[INFO] [stdout]                                at /rustc/6b3fa26749ab40e159b2dd5cf577acaaf5902772/library/std/src/panicking.rs:544:19
[INFO] [stdout]   34:     0x5c98f9e605c5 - std[73adb7dc35730857]::panic::catch_unwind::<core[6883ba1bc0fe4ed1]::panic::unwind_safe::AssertUnwindSafe<test[980ffaebd391d06d]::run_test_in_process::{closure#0}>, core[6883ba1bc0fe4ed1]::result::Result<(), alloc[55a36b64bcbf2c0d]::string::String>>
[INFO] [stdout]                                at /rustc/6b3fa26749ab40e159b2dd5cf577acaaf5902772/library/std/src/panic.rs:359:14
[INFO] [stdout]   35:     0x5c98f9e605c5 - test[980ffaebd391d06d]::run_test_in_process
[INFO] [stdout]                                at /rustc/6b3fa26749ab40e159b2dd5cf577acaaf5902772/library/test/src/lib.rs:747:27
[INFO] [stdout]   36:     0x5c98f9e605c5 - test[980ffaebd391d06d]::run_test::{closure#0}
[INFO] [stdout]                                at /rustc/6b3fa26749ab40e159b2dd5cf577acaaf5902772/library/test/src/lib.rs:668:43
[INFO] [stdout]   37:     0x5c98f9e5b074 - test[980ffaebd391d06d]::run_test::{closure#1}
[INFO] [stdout]                                at /rustc/6b3fa26749ab40e159b2dd5cf577acaaf5902772/library/test/src/lib.rs:698:41
[INFO] [stdout]   38:     0x5c98f9e5b074 - std[73adb7dc35730857]::sys::backtrace::__rust_begin_short_backtrace::<test[980ffaebd391d06d]::run_test::{closure#1}, ()>
[INFO] [stdout]                                at /rustc/6b3fa26749ab40e159b2dd5cf577acaaf5902772/library/std/src/sys/backtrace.rs:166:18
[INFO] [stdout]   39:     0x5c98f9e63712 - std[73adb7dc35730857]::thread::lifecycle::spawn_unchecked::<test[980ffaebd391d06d]::run_test::{closure#1}, ()>::{closure#1}::{closure#0}
[INFO] [stdout]                                at /rustc/6b3fa26749ab40e159b2dd5cf577acaaf5902772/library/std/src/thread/lifecycle.rs:70:13
[INFO] [stdout]   40:     0x5c98f9e63712 - <core[6883ba1bc0fe4ed1]::panic::unwind_safe::AssertUnwindSafe<std[73adb7dc35730857]::thread::lifecycle::spawn_unchecked<test[980ffaebd391d06d]::run_test::{closure#1}, ()>::{closure#1}::{closure#0}> as core[6883ba1bc0fe4ed1]::ops::function::FnOnce<()>>::call_once
[INFO] [stdout]                                at /rustc/6b3fa26749ab40e159b2dd5cf577acaaf5902772/library/core/src/panic/unwind_safe.rs:275:9
[INFO] [stdout]   41:     0x5c98f9e63712 - std[73adb7dc35730857]::panicking::catch_unwind::do_call::<core[6883ba1bc0fe4ed1]::panic::unwind_safe::AssertUnwindSafe<std[73adb7dc35730857]::thread::lifecycle::spawn_unchecked<test[980ffaebd391d06d]::run_test::{closure#1}, ()>::{closure#1}::{closure#0}>, ()>
[INFO] [stdout]                                at /rustc/6b3fa26749ab40e159b2dd5cf577acaaf5902772/library/std/src/panicking.rs:576:43
[INFO] [stdout]   42:     0x5c98f9e63712 - std[73adb7dc35730857]::panicking::catch_unwind::<(), core[6883ba1bc0fe4ed1]::panic::unwind_safe::AssertUnwindSafe<std[73adb7dc35730857]::thread::lifecycle::spawn_unchecked<test[980ffaebd391d06d]::run_test::{closure#1}, ()>::{closure#1}::{closure#0}>>
[INFO] [stdout]                                at /rustc/6b3fa26749ab40e159b2dd5cf577acaaf5902772/library/std/src/panicking.rs:544:19
[INFO] [stdout]   43:     0x5c98f9e63712 - std[73adb7dc35730857]::panic::catch_unwind::<core[6883ba1bc0fe4ed1]::panic::unwind_safe::AssertUnwindSafe<std[73adb7dc35730857]::thread::lifecycle::spawn_unchecked<test[980ffaebd391d06d]::run_test::{closure#1}, ()>::{closure#1}::{closure#0}>, ()>
[INFO] [stdout]                                at /rustc/6b3fa26749ab40e159b2dd5cf577acaaf5902772/library/std/src/panic.rs:359:14
[INFO] [stdout]   44:     0x5c98f9e63712 - std[73adb7dc35730857]::thread::lifecycle::spawn_unchecked::<test[980ffaebd391d06d]::run_test::{closure#1}, ()>::{closure#1}
[INFO] [stdout]                                at /rustc/6b3fa26749ab40e159b2dd5cf577acaaf5902772/library/std/src/thread/lifecycle.rs:68:26
[INFO] [stdout]   45:     0x5c98f9e63712 - <std[73adb7dc35730857]::thread::lifecycle::spawn_unchecked<test[980ffaebd391d06d]::run_test::{closure#1}, ()>::{closure#1} as core[6883ba1bc0fe4ed1]::ops::function::FnOnce<()>>::call_once::{shim:vtable#0}
[INFO] [stdout]                                at /rustc/6b3fa26749ab40e159b2dd5cf577acaaf5902772/library/core/src/ops/function.rs:250:5
[INFO] [stdout]   46:     0x5c98fa0d44af - <alloc[55a36b64bcbf2c0d]::boxed::Box<dyn core[6883ba1bc0fe4ed1]::ops::function::FnOnce<(), Output = ()> + core[6883ba1bc0fe4ed1]::marker::Send> as core[6883ba1bc0fe4ed1]::ops::function::FnOnce<()>>::call_once
[INFO] [stdout]                                at /rustc/6b3fa26749ab40e159b2dd5cf577acaaf5902772/library/alloc/src/boxed.rs:2319:9
[INFO] [stdout]   47:     0x5c98fa0d44af - <std[73adb7dc35730857]::sys::thread::unix::Thread>::new::thread_start
[INFO] [stdout]                                at /rustc/6b3fa26749ab40e159b2dd5cf577acaaf5902772/library/std/src/sys/thread/unix.rs:123:17
[INFO] [stdout]   48:     0x718092357aa4 - <unknown>
[INFO] [stdout]   49:     0x7180923e4a64 - clone
[INFO] [stdout]   50:                0x0 - <unknown>
[INFO] [stdout] 
[INFO] [stdout] ---- head::three_c2 stdout ----
[INFO] [stdout] 
[INFO] [stdout] thread 'head::three_c2' (3280) panicked at /rustc/6b3fa26749ab40e159b2dd5cf577acaaf5902772/library/core/src/ops/function.rs:250:5:
[INFO] [stdout] Unexpected failure.
[INFO] [stdout] code-101
[INFO] [stdout] stderr=```<90 lines total>
[INFO] [stdout] ```
[INFO] [stdout] 
[INFO] [stdout] thread \'main\' (3288) panicked at /opt/rustwide/cargo-home/registry/src/index.crates.io-1949cf8c6b5b557f/clap-3.2.25/src/parser/matches/arg_matches.rs:547:22:
[INFO] [stdout] Must use `Arg::allow_invalid_utf8` with `_os` lookups at `files`
[INFO] [stdout] stack backtrace:
[INFO] [stdout]    0:     0x5a985158e601 - std[73adb7dc35730857]::backtrace_rs::backtrace::libunwind::trace
[INFO] [stdout]                                at /rustc/6b3fa26749ab40e159b2dd5cf577acaaf5902772/library/std/src/../../backtrace/src/backtrace/libunwind.rs:117:9
[INFO] [stdout]    1:     0x5a985158e601 - std[73adb7dc35730857]::backtrace_rs::backtrace::trace_unsynchronized::<std[73adb7dc35730857]::sys::backtrace::_print_fmt::{closure#1}>
[INFO] [stdout]                                at /rustc/6b3fa26749ab40e159b2dd5cf577acaaf5902772/library/std/src/../../backtrace/src/backtrace/mod.rs:66:14
[INFO] [stdout]    2:     0x5a985158e601 - std[73adb7dc35730857]::sys::backtrace::_print_fmt
[INFO] [stdout]                                at /rustc/6b3fa26749ab40e159b2dd5cf577acaaf5902772/library/std/src/sys/backtrace.rs:74:9
[INFO] [stdout]    3:     0x5a985158e601 - <<std[73adb7dc35730857]::sys::backtrace::BacktraceLock>::print::DisplayBacktrace as core[6883ba1bc0fe4ed1]::fmt::Display>::fmt
[INFO] [stdout]                                at /rustc/6b3fa26749ab40e159b2dd5cf577acaaf5902772/library/std/src/sys/backtrace.rs:44:26
[INFO] [stdout]    4:     0x5a98515a228a - <core[6883ba1bc0fe4ed1]::fmt::rt::Argument>::fmt
[INFO] [stdout]                                at /rustc/6b3fa26749ab40e159b2dd5cf577acaaf5902772/library/core/src/fmt/rt.rs:152:76
[INFO] [stdout]    5:     0x5a98515a228a - core[6883ba1bc0fe4ed1]::fmt::write
[INFO] [stdout]    6:     0x5a9851593cec - std[73adb7dc35730857]::io::default_write_fmt::<std[73adb7dc35730857]::sys::stdio::unix::Stderr>
[INFO] [stdout]                                at /rustc/6b3fa26749ab40e159b2dd5cf577acaaf5902772/library/std/src/io/mod.rs:626:11
[INFO] [stdout]    7:     0x5a9851593cec - <std[73adb7dc35730857]::sys::stdio::unix::Stderr as std[73adb7dc35730857]::io::Write>::write_fmt
[INFO] [stdout]                                at /rustc/6b3fa26749ab40e159b2dd5cf577acaaf5902772/library/std/src/io/mod.rs:1730:13
[INFO] [stdout]    8:     0x5a9851578e16 - <std[73adb7dc35730857]::sys::backtrace::BacktraceLock>::print
[INFO] [stdout] ```
[INFO] [stdout] <30 lines omitted>
[INFO] [stdout] ```
[INFO] [stdout]                                at /rustc/6b3fa26749ab40e159b2dd5cf577acaaf5902772/library/alloc/src/vec/mod.rs:3941:9
[INFO] [stdout]   24:     0x5a985142808e - <core[6883ba1bc0fe4ed1]::iter::adapters::map::Map<core[6883ba1bc0fe4ed1]::iter::adapters::flatten::Flatten<core[6883ba1bc0fe4ed1]::slice::iter::Iter<alloc[55a36b64bcbf2c0d]::vec::Vec<clap[965b0170b9d3cf34]::parser::matches::any_value::AnyValue>>>, <clap[965b0170b9d3cf34]::parser::matches::arg_matches::ArgMatches>::values_of_lossy<&str>::{closure#0}> as core[6883ba1bc0fe4ed1]::iter::traits::iterator::Iterator>::collect::<alloc[55a36b64bcbf2c0d]::vec::Vec<alloc[55a36b64bcbf2c0d]::string::String>>
[INFO] [stdout]                                at /rustc/6b3fa26749ab40e159b2dd5cf577acaaf5902772/library/core/src/iter/traits/iterator.rs:2090:9
[INFO] [stdout]   25:     0x5a9851422166 - <clap[965b0170b9d3cf34]::parser::matches::arg_matches::ArgMatches>::values_of_lossy::<&str>
[INFO] [stdout]                                at /opt/rustwide/cargo-home/registry/src/index.crates.io-1949cf8c6b5b557f/clap-3.2.25/src/parser/matches/arg_matches.rs:548:14
[INFO] [stdout]   26:     0x5a985142c18b - command_line_rust[2a7d65b3375657d0]::head::get_args
[INFO] [stdout]                                at /opt/rustwide/workdir/src/head/mod.rs:92:24
[INFO] [stdout]   27:     0x5a9851421ad2 - head[5f62c2f9cff836a0]::main
[INFO] [stdout]                                at /opt/rustwide/workdir/src/head/main.rs:4:21
[INFO] [stdout]   28:     0x5a9851421beb - <fn() as core[6883ba1bc0fe4ed1]::ops::function::FnOnce<()>>::call_once
[INFO] [stdout]                                at /rustc/6b3fa26749ab40e159b2dd5cf577acaaf5902772/library/core/src/ops/function.rs:250:5
[INFO] [stdout]   29:     0x5a9851421a5e - std[73adb7dc35730857]::sys::backtrace::__rust_begin_short_backtrace::<fn(), ()>
[INFO] [stdout]                                at /rustc/6b3fa26749ab40e159b2dd5cf577acaaf5902772/library/std/src/sys/backtrace.rs:166:18
[INFO] [stdout]   30:     0x5a9851421a81 - std[73adb7dc35730857]::rt::lang_start::<()>::{closure#0}
[INFO] [stdout]                                at /rustc/6b3fa26749ab40e159b2dd5cf577acaaf5902772/library/std/src/rt.rs:206:18
[INFO] [stdout]   31:     0x5a9851589547 - <&dyn core[6883ba1bc0fe4ed1]::ops::function::Fn<(), Output = i32> + core[6883ba1bc0fe4ed1]::panic::unwind_safe::RefUnwindSafe + core[6883ba1bc0fe4ed1]::marker::Sync as core[6883ba1bc0fe4ed1]::ops::function::FnOnce<()>>::call_once
[INFO] [stdout]                                at /rustc/6b3fa26749ab40e159b2dd5cf577acaaf5902772/library/core/src/ops/function.rs:287:21
[INFO] [stdout]   32:     0x5a9851589547 - std[73adb7dc35730857]::panicking::catch_unwind::do_call::<&dyn core[6883ba1bc0fe4ed1]::ops::function::Fn<(), Output = i32> + core[6883ba1bc0fe4ed1]::panic::unwind_safe::RefUnwindSafe + core[6883ba1bc0fe4ed1]::marker::Sync, i32>
[INFO] [stdout]                                at /rustc/6b3fa26749ab40e159b2dd5cf577acaaf5902772/library/std/src/panicking.rs:576:43
[INFO] [stdout]   33:     0x5a9851589547 - std[73adb7dc35730857]::panicking::catch_unwind::<i32, &dyn core[6883ba1bc0fe4ed1]::ops::function::Fn<(), Output = i32> + core[6883ba1bc0fe4ed1]::panic::unwind_safe::RefUnwindSafe + core[6883ba1bc0fe4ed1]::marker::Sync>
[INFO] [stdout]                                at /rustc/6b3fa26749ab40e159b2dd5cf577acaaf5902772/library/std/src/panicking.rs:544:19
[INFO] [stdout]   34:     0x5a9851589547 - std[73adb7dc35730857]::panic::catch_unwind::<&dyn core[6883ba1bc0fe4ed1]::ops::function::Fn<(), Output = i32> + core[6883ba1bc0fe4ed1]::panic::unwind_safe::RefUnwindSafe + core[6883ba1bc0fe4ed1]::marker::Sync, i32>
[INFO] [stdout]                                at /rustc/6b3fa26749ab40e159b2dd5cf577acaaf5902772/library/std/src/panic.rs:359:14
[INFO] [stdout]   35:     0x5a9851589547 - std[73adb7dc35730857]::rt::lang_start_internal::{closure#0}
[INFO] [stdout]                                at /rustc/6b3fa26749ab40e159b2dd5cf577acaaf5902772/library/std/src/rt.rs:175:24
[INFO] [stdout]   36:     0x5a9851589547 - std[73adb7dc35730857]::panicking::catch_unwind::do_call::<std[73adb7dc35730857]::rt::lang_start_internal::{closure#0}, isize>
[INFO] [stdout]                                at /rustc/6b3fa26749ab40e159b2dd5cf577acaaf5902772/library/std/src/panicking.rs:576:43
[INFO] [stdout]   37:     0x5a9851589547 - std[73adb7dc35730857]::panicking::catch_unwind::<isize, std[73adb7dc35730857]::rt::lang_start_internal::{closure#0}>
[INFO] [stdout]                                at /rustc/6b3fa26749ab40e159b2dd5cf577acaaf5902772/library/std/src/panicking.rs:544:19
[INFO] [stdout]   38:     0x5a9851589547 - std[73adb7dc35730857]::panic::catch_unwind::<std[73adb7dc35730857]::rt::lang_start_internal::{closure#0}, isize>
[INFO] [stdout]                                at /rustc/6b3fa26749ab40e159b2dd5cf577acaaf5902772/library/std/src/panic.rs:359:14
[INFO] [stdout]   39:     0x5a9851589547 - std[73adb7dc35730857]::rt::lang_start_internal
[INFO] [stdout]                                at /rustc/6b3fa26749ab40e159b2dd5cf577acaaf5902772/library/std/src/rt.rs:171:5
[INFO] [stdout]   40:     0x5a9851421a47 - std[73adb7dc35730857]::rt::lang_start::<()>
[INFO] [stdout]                                at /rustc/6b3fa26749ab40e159b2dd5cf577acaaf5902772/library/std/src/rt.rs:205:5
[INFO] [stdout]   41:     0x5a9851421c7e - main
[INFO] [stdout]   42:     0x789541aba1ca - <unknown>
[INFO] [stdout]   43:     0x789541aba28b - __libc_start_main
[INFO] [stdout]   44:     0x5a98514218a5 - _start
[INFO] [stdout]   45:                0x0 - <unknown>
[INFO] [stdout] ```
[INFO] [stdout] ```
[INFO] [stdout] command=`"/opt/rustwide/target/debug/head" "tests/head/inputs/three.txt" "-c" "2"`
[INFO] [stdout] code=101
[INFO] [stdout] stdout=""
[INFO] [stdout] stderr=<90 lines total>
[INFO] [stdout] ```
[INFO] [stdout] 
[INFO] [stdout] thread \'main\' (3288) panicked at /opt/rustwide/cargo-home/registry/src/index.crates.io-1949cf8c6b5b557f/clap-3.2.25/src/parser/matches/arg_matches.rs:547:22:
[INFO] [stdout] Must use `Arg::allow_invalid_utf8` with `_os` lookups at `files`
[INFO] [stdout] stack backtrace:
[INFO] [stdout]    0:     0x5a985158e601 - std[73adb7dc35730857]::backtrace_rs::backtrace::libunwind::trace
[INFO] [stdout]                                at /rustc/6b3fa26749ab40e159b2dd5cf577acaaf5902772/library/std/src/../../backtrace/src/backtrace/libunwind.rs:117:9
[INFO] [stdout]    1:     0x5a985158e601 - std[73adb7dc35730857]::backtrace_rs::backtrace::trace_unsynchronized::<std[73adb7dc35730857]::sys::backtrace::_print_fmt::{closure#1}>
[INFO] [stdout]                                at /rustc/6b3fa26749ab40e159b2dd5cf577acaaf5902772/library/std/src/../../backtrace/src/backtrace/mod.rs:66:14
[INFO] [stdout]    2:     0x5a985158e601 - std[73adb7dc35730857]::sys::backtrace::_print_fmt
[INFO] [stdout]                                at /rustc/6b3fa26749ab40e159b2dd5cf577acaaf5902772/library/std/src/sys/backtrace.rs:74:9
[INFO] [stdout]    3:     0x5a985158e601 - <<std[73adb7dc35730857]::sys::backtrace::BacktraceLock>::print::DisplayBacktrace as core[6883ba1bc0fe4ed1]::fmt::Display>::fmt
[INFO] [stdout]                                at /rustc/6b3fa26749ab40e159b2dd5cf577acaaf5902772/library/std/src/sys/backtrace.rs:44:26
[INFO] [stdout]    4:     0x5a98515a228a - <core[6883ba1bc0fe4ed1]::fmt::rt::Argument>::fmt
[INFO] [stdout]                                at /rustc/6b3fa26749ab40e159b2dd5cf577acaaf5902772/library/core/src/fmt/rt.rs:152:76
[INFO] [stdout]    5:     0x5a98515a228a - core[6883ba1bc0fe4ed1]::fmt::write
[INFO] [stdout]    6:     0x5a9851593cec - std[73adb7dc35730857]::io::default_write_fmt::<std[73adb7dc35730857]::sys::stdio::unix::Stderr>
[INFO] [stdout]                                at /rustc/6b3fa26749ab40e159b2dd5cf577acaaf5902772/library/std/src/io/mod.rs:626:11
[INFO] [stdout]    7:     0x5a9851593cec - <std[73adb7dc35730857]::sys::stdio::unix::Stderr as std[73adb7dc35730857]::io::Write>::write_fmt
[INFO] [stdout]                                at /rustc/6b3fa26749ab40e159b2dd5cf577acaaf5902772/library/std/src/io/mod.rs:1730:13
[INFO] [stdout]    8:     0x5a9851578e16 - <std[73adb7dc35730857]::sys::backtrace::BacktraceLock>::print
[INFO] [stdout] ```
[INFO] [stdout] <30 lines omitted>
[INFO] [stdout] ```
[INFO] [stdout]                                at /rustc/6b3fa26749ab40e159b2dd5cf577acaaf5902772/library/alloc/src/vec/mod.rs:3941:9
[INFO] [stdout]   24:     0x5a985142808e - <core[6883ba1bc0fe4ed1]::iter::adapters::map::Map<core[6883ba1bc0fe4ed1]::iter::adapters::flatten::Flatten<core[6883ba1bc0fe4ed1]::slice::iter::Iter<alloc[55a36b64bcbf2c0d]::vec::Vec<clap[965b0170b9d3cf34]::parser::matches::any_value::AnyValue>>>, <clap[965b0170b9d3cf34]::parser::matches::arg_matches::ArgMatches>::values_of_lossy<&str>::{closure#0}> as core[6883ba1bc0fe4ed1]::iter::traits::iterator::Iterator>::collect::<alloc[55a36b64bcbf2c0d]::vec::Vec<alloc[55a36b64bcbf2c0d]::string::String>>
[INFO] [stdout]                                at /rustc/6b3fa26749ab40e159b2dd5cf577acaaf5902772/library/core/src/iter/traits/iterator.rs:2090:9
[INFO] [stdout]   25:     0x5a9851422166 - <clap[965b0170b9d3cf34]::parser::matches::arg_matches::ArgMatches>::values_of_lossy::<&str>
[INFO] [stdout]                                at /opt/rustwide/cargo-home/registry/src/index.crates.io-1949cf8c6b5b557f/clap-3.2.25/src/parser/matches/arg_matches.rs:548:14
[INFO] [stdout]   26:     0x5a985142c18b - command_line_rust[2a7d65b3375657d0]::head::get_args
[INFO] [stdout]                                at /opt/rustwide/workdir/src/head/mod.rs:92:24
[INFO] [stdout]   27:     0x5a9851421ad2 - head[5f62c2f9cff836a0]::main
[INFO] [stdout]                                at /opt/rustwide/workdir/src/head/main.rs:4:21
[INFO] [stdout]   28:     0x5a9851421beb - <fn() as core[6883ba1bc0fe4ed1]::ops::function::FnOnce<()>>::call_once
[INFO] [stdout]                                at /rustc/6b3fa26749ab40e159b2dd5cf577acaaf5902772/library/core/src/ops/function.rs:250:5
[INFO] [stdout]   29:     0x5a9851421a5e - std[73adb7dc35730857]::sys::backtrace::__rust_begin_short_backtrace::<fn(), ()>
[INFO] [stdout]                                at /rustc/6b3fa26749ab40e159b2dd5cf577acaaf5902772/library/std/src/sys/backtrace.rs:166:18
[INFO] [stdout]   30:     0x5a9851421a81 - std[73adb7dc35730857]::rt::lang_start::<()>::{closure#0}
[INFO] [stdout]                                at /rustc/6b3fa26749ab40e159b2dd5cf577acaaf5902772/library/std/src/rt.rs:206:18
[INFO] [stdout]   31:     0x5a9851589547 - <&dyn core[6883ba1bc0fe4ed1]::ops::function::Fn<(), Output = i32> + core[6883ba1bc0fe4ed1]::panic::unwind_safe::RefUnwindSafe + core[6883ba1bc0fe4ed1]::marker::Sync as core[6883ba1bc0fe4ed1]::ops::function::FnOnce<()>>::call_once
[INFO] [stdout]                                at /rustc/6b3fa26749ab40e159b2dd5cf577acaaf5902772/library/core/src/ops/function.rs:287:21
[INFO] [stdout]   32:     0x5a9851589547 - std[73adb7dc35730857]::panicking::catch_unwind::do_call::<&dyn core[6883ba1bc0fe4ed1]::ops::function::Fn<(), Output = i32> + core[6883ba1bc0fe4ed1]::panic::unwind_safe::RefUnwindSafe + core[6883ba1bc0fe4ed1]::marker::Sync, i32>
[INFO] [stdout]                                at /rustc/6b3fa26749ab40e159b2dd5cf577acaaf5902772/library/std/src/panicking.rs:576:43
[INFO] [stdout]   33:     0x5a9851589547 - std[73adb7dc35730857]::panicking::catch_unwind::<i32, &dyn core[6883ba1bc0fe4ed1]::ops::function::Fn<(), Output = i32> + core[6883ba1bc0fe4ed1]::panic::unwind_safe::RefUnwindSafe + core[6883ba1bc0fe4ed1]::marker::Sync>
[INFO] [stdout]                                at /rustc/6b3fa26749ab40e159b2dd5cf577acaaf5902772/library/std/src/panicking.rs:544:19
[INFO] [stdout]   34:     0x5a9851589547 - std[73adb7dc35730857]::panic::catch_unwind::<&dyn core[6883ba1bc0fe4ed1]::ops::function::Fn<(), Output = i32> + core[6883ba1bc0fe4ed1]::panic::unwind_safe::RefUnwindSafe + core[6883ba1bc0fe4ed1]::marker::Sync, i32>
[INFO] [stdout]                                at /rustc/6b3fa26749ab40e159b2dd5cf577acaaf5902772/library/std/src/panic.rs:359:14
[INFO] [stdout]   35:     0x5a9851589547 - std[73adb7dc35730857]::rt::lang_start_internal::{closure#0}
[INFO] [stdout]                                at /rustc/6b3fa26749ab40e159b2dd5cf577acaaf5902772/library/std/src/rt.rs:175:24
[INFO] [stdout]   36:     0x5a9851589547 - std[73adb7dc35730857]::panicking::catch_unwind::do_call::<std[73adb7dc35730857]::rt::lang_start_internal::{closure#0}, isize>
[INFO] [stdout]                                at /rustc/6b3fa26749ab40e159b2dd5cf577acaaf5902772/library/std/src/panicking.rs:576:43
[INFO] [stdout]   37:     0x5a9851589547 - std[73adb7dc35730857]::panicking::catch_unwind::<isize, std[73adb7dc35730857]::rt::lang_start_internal::{closure#0}>
[INFO] [stdout]                                at /rustc/6b3fa26749ab40e159b2dd5cf577acaaf5902772/library/std/src/panicking.rs:544:19
[INFO] [stdout]   38:     0x5a9851589547 - std[73adb7dc35730857]::panic::catch_unwind::<std[73adb7dc35730857]::rt::lang_start_internal::{closure#0}, isize>
[INFO] [stdout]                                at /rustc/6b3fa26749ab40e159b2dd5cf577acaaf5902772/library/std/src/panic.rs:359:14
[INFO] [stdout]   39:     0x5a9851589547 - std[73adb7dc35730857]::rt::lang_start_internal
[INFO] [stdout]                                at /rustc/6b3fa26749ab40e159b2dd5cf577acaaf5902772/library/std/src/rt.rs:171:5
[INFO] [stdout]   40:     0x5a9851421a47 - std[73adb7dc35730857]::rt::lang_start::<()>
[INFO] [stdout]                                at /rustc/6b3fa26749ab40e159b2dd5cf577acaaf5902772/library/std/src/rt.rs:205:5
[INFO] [stdout]   41:     0x5a9851421c7e - main
[INFO] [stdout]   42:     0x789541aba1ca - <unknown>
[INFO] [stdout]   43:     0x789541aba28b - __libc_start_main
[INFO] [stdout]   44:     0x5a98514218a5 - _start
[INFO] [stdout]   45:                0x0 - <unknown>
[INFO] [stdout] ```
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] stack backtrace:
[INFO] [stdout]    0:     0x5c98fa0d5011 - std[73adb7dc35730857]::backtrace_rs::backtrace::libunwind::trace
[INFO] [stdout]                                at /rustc/6b3fa26749ab40e159b2dd5cf577acaaf5902772/library/std/src/../../backtrace/src/backtrace/libunwind.rs:117:9
[INFO] [stdout]    1:     0x5c98fa0d5011 - std[73adb7dc35730857]::backtrace_rs::backtrace::trace_unsynchronized::<std[73adb7dc35730857]::sys::backtrace::_print_fmt::{closure#1}>
[INFO] [stdout]                                at /rustc/6b3fa26749ab40e159b2dd5cf577acaaf5902772/library/std/src/../../backtrace/src/backtrace/mod.rs:66:14
[INFO] [stdout]    2:     0x5c98fa0d5011 - std[73adb7dc35730857]::sys::backtrace::_print_fmt
[INFO] [stdout]                                at /rustc/6b3fa26749ab40e159b2dd5cf577acaaf5902772/library/std/src/sys/backtrace.rs:74:9
[INFO] [stdout]    3:     0x5c98fa0d5011 - <<std[73adb7dc35730857]::sys::backtrace::BacktraceLock>::print::DisplayBacktrace as core[6883ba1bc0fe4ed1]::fmt::Display>::fmt
[INFO] [stdout]                                at /rustc/6b3fa26749ab40e159b2dd5cf577acaaf5902772/library/std/src/sys/backtrace.rs:44:26
[INFO] [stdout]    4:     0x5c98fa0eb71a - <core[6883ba1bc0fe4ed1]::fmt::rt::Argument>::fmt
[INFO] [stdout]                                at /rustc/6b3fa26749ab40e159b2dd5cf577acaaf5902772/library/core/src/fmt/rt.rs:152:76
[INFO] [stdout]    5:     0x5c98fa0eb71a - core[6883ba1bc0fe4ed1]::fmt::write
[INFO] [stdout]    6:     0x5c98fa0da99c - std[73adb7dc35730857]::io::default_write_fmt::<alloc[55a36b64bcbf2c0d]::vec::Vec<u8>>
[INFO] [stdout]                                at /rustc/6b3fa26749ab40e159b2dd5cf577acaaf5902772/library/std/src/io/mod.rs:626:11
[INFO] [stdout]    7:     0x5c98fa0da99c - <alloc[55a36b64bcbf2c0d]::vec::Vec<u8> as std[73adb7dc35730857]::io::Write>::write_fmt
[INFO] [stdout]                                at /rustc/6b3fa26749ab40e159b2dd5cf577acaaf5902772/library/std/src/io/mod.rs:1730:13
[INFO] [stdout]    8:     0x5c98fa0b2986 - <std[73adb7dc35730857]::sys::backtrace::BacktraceLock>::print
[INFO] [stdout]                                at /rustc/6b3fa26749ab40e159b2dd5cf577acaaf5902772/library/std/src/sys/backtrace.rs:47:9
[INFO] [stdout]    9:     0x5c98fa0b2986 - std[73adb7dc35730857]::panicking::default_hook::{closure#0}
[INFO] [stdout]                                at /rustc/6b3fa26749ab40e159b2dd5cf577acaaf5902772/library/std/src/panicking.rs:292:27
[INFO] [stdout]   10:     0x5c98fa0ccd09 - std[73adb7dc35730857]::panicking::default_hook
[INFO] [stdout]                                at /rustc/6b3fa26749ab40e159b2dd5cf577acaaf5902772/library/std/src/panicking.rs:316:9
[INFO] [stdout]   11:     0x5c98f9e5fc40 - <alloc[55a36b64bcbf2c0d]::boxed::Box<dyn for<'a, 'b> core[6883ba1bc0fe4ed1]::ops::function::Fn<(&'a std[73adb7dc35730857]::panic::PanicHookInfo<'b>,), Output = ()> + core[6883ba1bc0fe4ed1]::marker::Send + core[6883ba1bc0fe4ed1]::marker::Sync> as core[6883ba1bc0fe4ed1]::ops::function::Fn<(&std[73adb7dc35730857]::panic::PanicHookInfo,)>>::call
[INFO] [stdout]                                at /rustc/6b3fa26749ab40e159b2dd5cf577acaaf5902772/library/alloc/src/boxed.rs:2333:9
[INFO] [stdout]   12:     0x5c98f9e5fc40 - test[980ffaebd391d06d]::test_main_inner::<test[980ffaebd391d06d]::test_main_static::{closure#0}>::{closure#0}
[INFO] [stdout]                                at /rustc/6b3fa26749ab40e159b2dd5cf577acaaf5902772/library/test/src/lib.rs:155:21
[INFO] [stdout]   13:     0x5c98fa0ccec2 - <alloc[55a36b64bcbf2c0d]::boxed::Box<dyn for<'a, 'b> core[6883ba1bc0fe4ed1]::ops::function::Fn<(&'a std[73adb7dc35730857]::panic::PanicHookInfo<'b>,), Output = ()> + core[6883ba1bc0fe4ed1]::marker::Send + core[6883ba1bc0fe4ed1]::marker::Sync> as core[6883ba1bc0fe4ed1]::ops::function::Fn<(&std[73adb7dc35730857]::panic::PanicHookInfo,)>>::call
[INFO] [stdout]                                at /rustc/6b3fa26749ab40e159b2dd5cf577acaaf5902772/library/alloc/src/boxed.rs:2333:9
[INFO] [stdout]   14:     0x5c98fa0ccec2 - std[73adb7dc35730857]::panicking::panic_with_hook
[INFO] [stdout]                                at /rustc/6b3fa26749ab40e159b2dd5cf577acaaf5902772/library/std/src/panicking.rs:823:13
[INFO] [stdout]   15:     0x5c98fa0b2a32 - std[73adb7dc35730857]::panicking::panic_handler::{closure#0}
[INFO] [stdout]                                at /rustc/6b3fa26749ab40e159b2dd5cf577acaaf5902772/library/std/src/panicking.rs:688:13
[INFO] [stdout]   16:     0x5c98fa0aa1d9 - std[73adb7dc35730857]::sys::backtrace::__rust_end_short_backtrace::<std[73adb7dc35730857]::panicking::panic_handler::{closure#0}, !>
[INFO] [stdout]                                at /rustc/6b3fa26749ab40e159b2dd5cf577acaaf5902772/library/std/src/sys/backtrace.rs:182:18
[INFO] [stdout]   17:     0x5c98fa0b362d - __rustc[a7b7b02e776dd976]::rust_begin_unwind
[INFO] [stdout]                                at /rustc/6b3fa26749ab40e159b2dd5cf577acaaf5902772/library/std/src/panicking.rs:679:5
[INFO] [stdout]   18:     0x5c98fa0ebf9c - core[6883ba1bc0fe4ed1]::panicking::panic_fmt
[INFO] [stdout]                                at /rustc/6b3fa26749ab40e159b2dd5cf577acaaf5902772/library/core/src/panicking.rs:80:14
[INFO] [stdout]   19:     0x5c98fa03b8b8 - core[6883ba1bc0fe4ed1]::panicking::panic_display::<assert_cmd[35418449b5f7a4b8]::assert::AssertError>
[INFO] [stdout]                                at /rustc/6b3fa26749ab40e159b2dd5cf577acaaf5902772/library/core/src/panicking.rs:259:5
[INFO] [stdout]   20:     0x5c98fa0426c7 - <assert_cmd[35418449b5f7a4b8]::assert::AssertError>::panic::<assert_cmd[35418449b5f7a4b8]::assert::Assert>
[INFO] [stdout]                                at /opt/rustwide/cargo-home/registry/src/index.crates.io-1949cf8c6b5b557f/assert_cmd-2.0.11/src/assert.rs:1033:9
[INFO] [stdout]   21:     0x5c98fa038947 - <<assert_cmd[35418449b5f7a4b8]::assert::AssertError>::panic<assert_cmd[35418449b5f7a4b8]::assert::Assert> as core[6883ba1bc0fe4ed1]::ops::function::FnOnce<(assert_cmd[35418449b5f7a4b8]::assert::AssertError,)>>::call_once
[INFO] [stdout]                                at /rustc/6b3fa26749ab40e159b2dd5cf577acaaf5902772/library/core/src/ops/function.rs:250:5
[INFO] [stdout]   22:     0x5c98fa041dfb - <core[6883ba1bc0fe4ed1]::result::Result<assert_cmd[35418449b5f7a4b8]::assert::Assert, assert_cmd[35418449b5f7a4b8]::assert::AssertError>>::unwrap_or_else::<<assert_cmd[35418449b5f7a4b8]::assert::AssertError>::panic<assert_cmd[35418449b5f7a4b8]::assert::Assert>>
[INFO] [stdout]                                at /rustc/6b3fa26749ab40e159b2dd5cf577acaaf5902772/library/core/src/result.rs:1620:23
[INFO] [stdout]   23:     0x5c98fa0442a0 - <assert_cmd[35418449b5f7a4b8]::assert::Assert>::success
[INFO] [stdout]                                at /opt/rustwide/cargo-home/registry/src/index.crates.io-1949cf8c6b5b557f/assert_cmd-2.0.11/src/assert.rs:158:28
[INFO] [stdout]   24:     0x5c98f9e4c073 - lib[ef69c164f1f8dd99]::head::run
[INFO] [stdout]                                at /opt/rustwide/workdir/tests/head/mod.rs:105:10
[INFO] [stdout]   25:     0x5c98f9e4e15e - lib[ef69c164f1f8dd99]::head::three_c2
[INFO] [stdout]                                at /opt/rustwide/workdir/tests/head/mod.rs:289:5
[INFO] [stdout]   26:     0x5c98f9e47e77 - lib[ef69c164f1f8dd99]::head::three_c2::{closure#0}
[INFO] [stdout]                                at /opt/rustwide/workdir/tests/head/mod.rs:288:18
[INFO] [stdout]   27:     0x5c98f9e52ad6 - <lib[ef69c164f1f8dd99]::head::three_c2::{closure#0} as core[6883ba1bc0fe4ed1]::ops::function::FnOnce<()>>::call_once
[INFO] [stdout]                                at /rustc/6b3fa26749ab40e159b2dd5cf577acaaf5902772/library/core/src/ops/function.rs:250:5
[INFO] [stdout]   28:     0x5c98f9e52f7b - <fn() -> core[6883ba1bc0fe4ed1]::result::Result<(), alloc[55a36b64bcbf2c0d]::string::String> as core[6883ba1bc0fe4ed1]::ops::function::FnOnce<()>>::call_once
[INFO] [stdout]                                at /rustc/6b3fa26749ab40e159b2dd5cf577acaaf5902772/library/core/src/ops/function.rs:250:5
[INFO] [stdout]   29:     0x5c98f9e52f7b - test[980ffaebd391d06d]::__rust_begin_short_backtrace::<core[6883ba1bc0fe4ed1]::result::Result<(), alloc[55a36b64bcbf2c0d]::string::String>, fn() -> core[6883ba1bc0fe4ed1]::result::Result<(), alloc[55a36b64bcbf2c0d]::string::String>>
[INFO] [stdout]                                at /rustc/6b3fa26749ab40e159b2dd5cf577acaaf5902772/library/test/src/lib.rs:724:18
[INFO] [stdout]   30:     0x5c98f9e605c5 - test[980ffaebd391d06d]::run_test_in_process::{closure#0}
[INFO] [stdout]                                at /rustc/6b3fa26749ab40e159b2dd5cf577acaaf5902772/library/test/src/lib.rs:747:74
[INFO] [stdout]   31:     0x5c98f9e605c5 - <core[6883ba1bc0fe4ed1]::panic::unwind_safe::AssertUnwindSafe<test[980ffaebd391d06d]::run_test_in_process::{closure#0}> as core[6883ba1bc0fe4ed1]::ops::function::FnOnce<()>>::call_once
[INFO] [stdout]                                at /rustc/6b3fa26749ab40e159b2dd5cf577acaaf5902772/library/core/src/panic/unwind_safe.rs:275:9
[INFO] [stdout]   32:     0x5c98f9e605c5 - std[73adb7dc35730857]::panicking::catch_unwind::do_call::<core[6883ba1bc0fe4ed1]::panic::unwind_safe::AssertUnwindSafe<test[980ffaebd391d06d]::run_test_in_process::{closure#0}>, core[6883ba1bc0fe4ed1]::result::Result<(), alloc[55a36b64bcbf2c0d]::string::String>>
[INFO] [stdout]                                at /rustc/6b3fa26749ab40e159b2dd5cf577acaaf5902772/library/std/src/panicking.rs:576:43
[INFO] [stdout]   33:     0x5c98f9e605c5 - std[73adb7dc35730857]::panicking::catch_unwind::<core[6883ba1bc0fe4ed1]::result::Result<(), alloc[55a36b64bcbf2c0d]::string::String>, core[6883ba1bc0fe4ed1]::panic::unwind_safe::AssertUnwindSafe<test[980ffaebd391d06d]::run_test_in_process::{closure#0}>>
[INFO] [stdout]                                at /rustc/6b3fa26749ab40e159b2dd5cf577acaaf5902772/library/std/src/panicking.rs:544:19
[INFO] [stdout]   34:     0x5c98f9e605c5 - std[73adb7dc35730857]::panic::catch_unwind::<core[6883ba1bc0fe4ed1]::panic::unwind_safe::AssertUnwindSafe<test[980ffaebd391d06d]::run_test_in_process::{closure#0}>, core[6883ba1bc0fe4ed1]::result::Result<(), alloc[55a36b64bcbf2c0d]::string::String>>
[INFO] [stdout]                                at /rustc/6b3fa26749ab40e159b2dd5cf577acaaf5902772/library/std/src/panic.rs:359:14
[INFO] [stdout]   35:     0x5c98f9e605c5 - test[980ffaebd391d06d]::run_test_in_process
[INFO] [stdout]                                at /rustc/6b3fa26749ab40e159b2dd5cf577acaaf5902772/library/test/src/lib.rs:747:27
[INFO] [stdout]   36:     0x5c98f9e605c5 - test[980ffaebd391d06d]::run_test::{closure#0}
[INFO] [stdout]                                at /rustc/6b3fa26749ab40e159b2dd5cf577acaaf5902772/library/test/src/lib.rs:668:43
[INFO] [stdout]   37:     0x5c98f9e5b074 - test[980ffaebd391d06d]::run_test::{closure#1}
[INFO] [stdout]                                at /rustc/6b3fa26749ab40e159b2dd5cf577acaaf5902772/library/test/src/lib.rs:698:41
[INFO] [stdout]   38:     0x5c98f9e5b074 - std[73adb7dc35730857]::sys::backtrace::__rust_begin_short_backtrace::<test[980ffaebd391d06d]::run_test::{closure#1}, ()>
[INFO] [stdout]                                at /rustc/6b3fa26749ab40e159b2dd5cf577acaaf5902772/library/std/src/sys/backtrace.rs:166:18
[INFO] [stdout]   39:     0x5c98f9e63712 - std[73adb7dc35730857]::thread::lifecycle::spawn_unchecked::<test[980ffaebd391d06d]::run_test::{closure#1}, ()>::{closure#1}::{closure#0}
[INFO] [stdout]                                at /rustc/6b3fa26749ab40e159b2dd5cf577acaaf5902772/library/std/src/thread/lifecycle.rs:70:13
[INFO] [stdout]   40:     0x5c98f9e63712 - <core[6883ba1bc0fe4ed1]::panic::unwind_safe::AssertUnwindSafe<std[73adb7dc35730857]::thread::lifecycle::spawn_unchecked<test[980ffaebd391d06d]::run_test::{closure#1}, ()>::{closure#1}::{closure#0}> as core[6883ba1bc0fe4ed1]::ops::function::FnOnce<()>>::call_once
[INFO] [stdout]                                at /rustc/6b3fa26749ab40e159b2dd5cf577acaaf5902772/library/core/src/panic/unwind_safe.rs:275:9
[INFO] [stdout]   41:     0x5c98f9e63712 - std[73adb7dc35730857]::panicking::catch_unwind::do_call::<core[6883ba1bc0fe4ed1]::panic::unwind_safe::AssertUnwindSafe<std[73adb7dc35730857]::thread::lifecycle::spawn_unchecked<test[980ffaebd391d06d]::run_test::{closure#1}, ()>::{closure#1}::{closure#0}>, ()>
[INFO] [stdout]                                at /rustc/6b3fa26749ab40e159b2dd5cf577acaaf5902772/library/std/src/panicking.rs:576:43
[INFO] [stdout]   42:     0x5c98f9e63712 - std[73adb7dc35730857]::panicking::catch_unwind::<(), core[6883ba1bc0fe4ed1]::panic::unwind_safe::AssertUnwindSafe<std[73adb7dc35730857]::thread::lifecycle::spawn_unchecked<test[980ffaebd391d06d]::run_test::{closure#1}, ()>::{closure#1}::{closure#0}>>
[INFO] [stdout]                                at /rustc/6b3fa26749ab40e159b2dd5cf577acaaf5902772/library/std/src/panicking.rs:544:19
[INFO] [stdout]   43:     0x5c98f9e63712 - std[73adb7dc35730857]::panic::catch_unwind::<core[6883ba1bc0fe4ed1]::panic::unwind_safe::AssertUnwindSafe<std[73adb7dc35730857]::thread::lifecycle::spawn_unchecked<test[980ffaebd391d06d]::run_test::{closure#1}, ()>::{closure#1}::{closure#0}>, ()>
[INFO] [stdout]                                at /rustc/6b3fa26749ab40e159b2dd5cf577acaaf5902772/library/std/src/panic.rs:359:14
[INFO] [stdout]   44:     0x5c98f9e63712 - std[73adb7dc35730857]::thread::lifecycle::spawn_unchecked::<test[980ffaebd391d06d]::run_test::{closure#1}, ()>::{closure#1}
[INFO] [stdout]                                at /rustc/6b3fa26749ab40e159b2dd5cf577acaaf5902772/library/std/src/thread/lifecycle.rs:68:26
[INFO] [stdout]   45:     0x5c98f9e63712 - <std[73adb7dc35730857]::thread::lifecycle::spawn_unchecked<test[980ffaebd391d06d]::run_test::{closure#1}, ()>::{closure#1} as core[6883ba1bc0fe4ed1]::ops::function::FnOnce<()>>::call_once::{shim:vtable#0}
[INFO] [stdout]                                at /rustc/6b3fa26749ab40e159b2dd5cf577acaaf5902772/library/core/src/ops/function.rs:250:5
[INFO] [stdout]   46:     0x5c98fa0d44af - <alloc[55a36b64bcbf2c0d]::boxed::Box<dyn core[6883ba1bc0fe4ed1]::ops::function::FnOnce<(), Output = ()> + core[6883ba1bc0fe4ed1]::marker::Send> as core[6883ba1bc0fe4ed1]::ops::function::FnOnce<()>>::call_once
[INFO] [stdout]                                at /rustc/6b3fa26749ab40e159b2dd5cf577acaaf5902772/library/alloc/src/boxed.rs:2319:9
[INFO] [stdout]   47:     0x5c98fa0d44af - <std[73adb7dc35730857]::sys::thread::unix::Thread>::new::thread_start
[INFO] [stdout]                                at /rustc/6b3fa26749ab40e159b2dd5cf577acaaf5902772/library/std/src/sys/thread/unix.rs:123:17
[INFO] [stdout]   48:     0x718092357aa4 - <unknown>
[INFO] [stdout]   49:     0x7180923e4a64 - clone
[INFO] [stdout]   50:                0x0 - <unknown>
[INFO] [stdout] 
[INFO] [stdout] ---- head::three_n4_stdin stdout ----
[INFO] [stdout] 
[INFO] [stdout] thread 'head::three_n4_stdin' (3320) panicked at /rustc/6b3fa26749ab40e159b2dd5cf577acaaf5902772/library/core/src/ops/function.rs:250:5:
[INFO] [stdout] Unexpected stdout, failed var == [
[INFO] [stdout]     84,
[INFO] [stdout]     104,
[INFO] [stdout]     114,
[INFO] [stdout]     101,
[INFO] [stdout]     101,
[INFO] [stdout]     13,
[INFO] [stdout]     10,
[INFO] [stdout]     108,
[INFO] [stdout]     105,
[INFO] [stdout]     110,
[INFO] [stdout]     101,
[INFO] [stdout]     115,
[INFO] [stdout]     44,
[INFO] [stdout]     13,
[INFO] [stdout]     10,
[INFO] [stdout]     102,
[INFO] [stdout]     111,
[INFO] [stdout]     117,
[INFO] [stdout]     114,
[INFO] [stdout]     32,
[INFO] [stdout]     119,
[INFO] [stdout]     111,
[INFO] [stdout]     114,
[INFO] [stdout]     100,
[INFO] [stdout]     115,
[INFO] [stdout]     46,
[INFO] [stdout]     10,
[INFO] [stdout] ]
[INFO] [stdout] └── var: []
[INFO] [stdout] 
[INFO] [stdout] command=`"/opt/rustwide/target/debug/head" "-n" "4"`
[INFO] [stdout] stdin=````
[INFO] [stdout] Three\r
[INFO] [stdout] lines,\r
[INFO] [stdout] four words.
[INFO] [stdout] ```
[INFO] [stdout] `
[INFO] [stdout] code=101
[INFO] [stdout] stdout=""
[INFO] [stdout] stderr=<90 lines total>
[INFO] [stdout] ```
[INFO] [stdout] 
[INFO] [stdout] thread \'main\' (3321) panicked at /opt/rustwide/cargo-home/registry/src/index.crates.io-1949cf8c6b5b557f/clap-3.2.25/src/parser/matches/arg_matches.rs:547:22:
[INFO] [stdout] Must use `Arg::allow_invalid_utf8` with `_os` lookups at `files`
[INFO] [stdout] stack backtrace:
[INFO] [stdout]    0:     0x6145395cf601 - std[73adb7dc35730857]::backtrace_rs::backtrace::libunwind::trace
[INFO] [stdout]                                at /rustc/6b3fa26749ab40e159b2dd5cf577acaaf5902772/library/std/src/../../backtrace/src/backtrace/libunwind.rs:117:9
[INFO] [stdout]    1:     0x6145395cf601 - std[73adb7dc35730857]::backtrace_rs::backtrace::trace_unsynchronized::<std[73adb7dc35730857]::sys::backtrace::_print_fmt::{closure#1}>
[INFO] [stdout]                                at /rustc/6b3fa26749ab40e159b2dd5cf577acaaf5902772/library/std/src/../../backtrace/src/backtrace/mod.rs:66:14
[INFO] [stdout]    2:     0x6145395cf601 - std[73adb7dc35730857]::sys::backtrace::_print_fmt
[INFO] [stdout]                                at /rustc/6b3fa26749ab40e159b2dd5cf577acaaf5902772/library/std/src/sys/backtrace.rs:74:9
[INFO] [stdout]    3:     0x6145395cf601 - <<std[73adb7dc35730857]::sys::backtrace::BacktraceLock>::print::DisplayBacktrace as core[6883ba1bc0fe4ed1]::fmt::Display>::fmt
[INFO] [stdout]                                at /rustc/6b3fa26749ab40e159b2dd5cf577acaaf5902772/library/std/src/sys/backtrace.rs:44:26
[INFO] [stdout]    4:     0x6145395e328a - <core[6883ba1bc0fe4ed1]::fmt::rt::Argument>::fmt
[INFO] [stdout]                                at /rustc/6b3fa26749ab40e159b2dd5cf577acaaf5902772/library/core/src/fmt/rt.rs:152:76
[INFO] [stdout]    5:     0x6145395e328a - core[6883ba1bc0fe4ed1]::fmt::write
[INFO] [stdout]    6:     0x6145395d4cec - std[73adb7dc35730857]::io::default_write_fmt::<std[73adb7dc35730857]::sys::stdio::unix::Stderr>
[INFO] [stdout]                                at /rustc/6b3fa26749ab40e159b2dd5cf577acaaf5902772/library/std/src/io/mod.rs:626:11
[INFO] [stdout]    7:     0x6145395d4cec - <std[73adb7dc35730857]::sys::stdio::unix::Stderr as std[73adb7dc35730857]::io::Write>::write_fmt
[INFO] [stdout]                                at /rustc/6b3fa26749ab40e159b2dd5cf577acaaf5902772/library/std/src/io/mod.rs:1730:13
[INFO] [stdout]    8:     0x6145395b9e16 - <std[73adb7dc35730857]::sys::backtrace::BacktraceLock>::print
[INFO] [stdout] ```
[INFO] [stdout] <30 lines omitted>
[INFO] [stdout] ```
[INFO] [stdout]                                at /rustc/6b3fa26749ab40e159b2dd5cf577acaaf5902772/library/alloc/src/vec/mod.rs:3941:9
[INFO] [stdout]   24:     0x61453946908e - <core[6883ba1bc0fe4ed1]::iter::adapters::map::Map<core[6883ba1bc0fe4ed1]::iter::adapters::flatten::Flatten<core[6883ba1bc0fe4ed1]::slice::iter::Iter<alloc[55a36b64bcbf2c0d]::vec::Vec<clap[965b0170b9d3cf34]::parser::matches::any_value::AnyValue>>>, <clap[965b0170b9d3cf34]::parser::matches::arg_matches::ArgMatches>::values_of_lossy<&str>::{closure#0}> as core[6883ba1bc0fe4ed1]::iter::traits::iterator::Iterator>::collect::<alloc[55a36b64bcbf2c0d]::vec::Vec<alloc[55a36b64bcbf2c0d]::string::String>>
[INFO] [stdout]                                at /rustc/6b3fa26749ab40e159b2dd5cf577acaaf5902772/library/core/src/iter/traits/iterator.rs:2090:9
[INFO] [stdout]   25:     0x614539463166 - <clap[965b0170b9d3cf34]::parser::matches::arg_matches::ArgMatches>::values_of_lossy::<&str>
[INFO] [stdout]                                at /opt/rustwide/cargo-home/registry/src/index.crates.io-1949cf8c6b5b557f/clap-3.2.25/src/parser/matches/arg_matches.rs:548:14
[INFO] [stdout]   26:     0x61453946d18b - command_line_rust[2a7d65b3375657d0]::head::get_args
[INFO] [stdout]                                at /opt/rustwide/workdir/src/head/mod.rs:92:24
[INFO] [stdout]   27:     0x614539462ad2 - head[5f62c2f9cff836a0]::main
[INFO] [stdout]                                at /opt/rustwide/workdir/src/head/main.rs:4:21
[INFO] [stdout]   28:     0x614539462beb - <fn() as core[6883ba1bc0fe4ed1]::ops::function::FnOnce<()>>::call_once
[INFO] [stdout]                                at /rustc/6b3fa26749ab40e159b2dd5cf577acaaf5902772/library/core/src/ops/function.rs:250:5
[INFO] [stdout]   29:     0x614539462a5e - std[73adb7dc35730857]::sys::backtrace::__rust_begin_short_backtrace::<fn(), ()>
[INFO] [stdout]                                at /rustc/6b3fa26749ab40e159b2dd5cf577acaaf5902772/library/std/src/sys/backtrace.rs:166:18
[INFO] [stdout]   30:     0x614539462a81 - std[73adb7dc35730857]::rt::lang_start::<()>::{closure#0}
[INFO] [stdout]                                at /rustc/6b3fa26749ab40e159b2dd5cf577acaaf5902772/library/std/src/rt.rs:206:18
[INFO] [stdout]   31:     0x6145395ca547 - <&dyn core[6883ba1bc0fe4ed1]::ops::function::Fn<(), Output = i32> + core[6883ba1bc0fe4ed1]::panic::unwind_safe::RefUnwindSafe + core[6883ba1bc0fe4ed1]::marker::Sync as core[6883ba1bc0fe4ed1]::ops::function::FnOnce<()>>::call_once
[INFO] [stdout]                                at /rustc/6b3fa26749ab40e159b2dd5cf577acaaf5902772/library/core/src/ops/function.rs:287:21
[INFO] [stdout]   32:     0x6145395ca547 - std[73adb7dc35730857]::panicking::catch_unwind::do_call::<&dyn core[6883ba1bc0fe4ed1]::ops::function::Fn<(), Output = i32> + core[6883ba1bc0fe4ed1]::panic::unwind_safe::RefUnwindSafe + core[6883ba1bc0fe4ed1]::marker::Sync, i32>
[INFO] [stdout]                                at /rustc/6b3fa26749ab40e159b2dd5cf577acaaf5902772/library/std/src/panicking.rs:576:43
[INFO] [stdout]   33:     0x6145395ca547 - std[73adb7dc35730857]::panicking::catch_unwind::<i32, &dyn core[6883ba1bc0fe4ed1]::ops::function::Fn<(), Output = i32> + core[6883ba1bc0fe4ed1]::panic::unwind_safe::RefUnwindSafe + core[6883ba1bc0fe4ed1]::marker::Sync>
[INFO] [stdout]                                at /rustc/6b3fa26749ab40e159b2dd5cf577acaaf5902772/library/std/src/panicking.rs:544:19
[INFO] [stdout]   34:     0x6145395ca547 - std[73adb7dc35730857]::panic::catch_unwind::<&dyn core[6883ba1bc0fe4ed1]::ops::function::Fn<(), Output = i32> + core[6883ba1bc0fe4ed1]::panic::unwind_safe::RefUnwindSafe + core[6883ba1bc0fe4ed1]::marker::Sync, i32>
[INFO] [stdout]                                at /rustc/6b3fa26749ab40e159b2dd5cf577acaaf5902772/library/std/src/panic.rs:359:14
[INFO] [stdout]   35:     0x6145395ca547 - std[73adb7dc35730857]::rt::lang_start_internal::{closure#0}
[INFO] [stdout]                                at /rustc/6b3fa26749ab40e159b2dd5cf577acaaf5902772/library/std/src/rt.rs:175:24
[INFO] [stdout]   36:     0x6145395ca547 - std[73adb7dc35730857]::panicking::catch_unwind::do_call::<std[73adb7dc35730857]::rt::lang_start_internal::{closure#0}, isize>
[INFO] [stdout]                                at /rustc/6b3fa26749ab40e159b2dd5cf577acaaf5902772/library/std/src/panicking.rs:576:43
[INFO] [stdout]   37:     0x6145395ca547 - std[73adb7dc35730857]::panicking::catch_unwind::<isize, std[73adb7dc35730857]::rt::lang_start_internal::{closure#0}>
[INFO] [stdout]                                at /rustc/6b3fa26749ab40e159b2dd5cf577acaaf5902772/library/std/src/panicking.rs:544:19
[INFO] [stdout]   38:     0x6145395ca547 - std[73adb7dc35730857]::panic::catch_unwind::<std[73adb7dc35730857]::rt::lang_start_internal::{closure#0}, isize>
[INFO] [stdout]                                at /rustc/6b3fa26749ab40e159b2dd5cf577acaaf5902772/library/std/src/panic.rs:359:14
[INFO] [stdout]   39:     0x6145395ca547 - std[73adb7dc35730857]::rt::lang_start_internal
[INFO] [stdout]                                at /rustc/6b3fa26749ab40e159b2dd5cf577acaaf5902772/library/std/src/rt.rs:171:5
[INFO] [stdout]   40:     0x614539462a47 - std[73adb7dc35730857]::rt::lang_start::<()>
[INFO] [stdout]                                at /rustc/6b3fa26749ab40e159b2dd5cf577acaaf5902772/library/std/src/rt.rs:205:5
[INFO] [stdout]   41:     0x614539462c7e - main
[INFO] [stdout]   42:     0x7ae7a06f31ca - <unknown>
[INFO] [stdout]   43:     0x7ae7a06f328b - __libc_start_main
[INFO] [stdout]   44:     0x6145394628a5 - _start
[INFO] [stdout]   45:                0x0 - <unknown>
[INFO] [stdout] ```
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] stack backtrace:
[INFO] [stdout]    0:     0x5c98fa0d5011 - std[73adb7dc35730857]::backtrace_rs::backtrace::libunwind::trace
[INFO] [stdout]                                at /rustc/6b3fa26749ab40e159b2dd5cf577acaaf5902772/library/std/src/../../backtrace/src/backtrace/libunwind.rs:117:9
[INFO] [stdout]    1:     0x5c98fa0d5011 - std[73adb7dc35730857]::backtrace_rs::backtrace::trace_unsynchronized::<std[73adb7dc35730857]::sys::backtrace::_print_fmt::{closure#1}>
[INFO] [stdout]                                at /rustc/6b3fa26749ab40e159b2dd5cf577acaaf5902772/library/std/src/../../backtrace/src/backtrace/mod.rs:66:14
[INFO] [stdout]    2:     0x5c98fa0d5011 - std[73adb7dc35730857]::sys::backtrace::_print_fmt
[INFO] [stdout]                                at /rustc/6b3fa26749ab40e159b2dd5cf577acaaf5902772/library/std/src/sys/backtrace.rs:74:9
[INFO] [stdout]    3:     0x5c98fa0d5011 - <<std[73adb7dc35730857]::sys::backtrace::BacktraceLock>::print::DisplayBacktrace as core[6883ba1bc0fe4ed1]::fmt::Display>::fmt
[INFO] [stdout]                                at /rustc/6b3fa26749ab40e159b2dd5cf577acaaf5902772/library/std/src/sys/backtrace.rs:44:26
[INFO] [stdout]    4:     0x5c98fa0eb71a - <core[6883ba1bc0fe4ed1]::fmt::rt::Argument>::fmt
[INFO] [stdout]                                at /rustc/6b3fa26749ab40e159b2dd5cf577acaaf5902772/library/core/src/fmt/rt.rs:152:76
[INFO] [stdout]    5:     0x5c98fa0eb71a - core[6883ba1bc0fe4ed1]::fmt::write
[INFO] [stdout]    6:     0x5c98fa0da99c - std[73adb7dc35730857]::io::default_write_fmt::<alloc[55a36b64bcbf2c0d]::vec::Vec<u8>>
[INFO] [stdout]                                at /rustc/6b3fa26749ab40e159b2dd5cf577acaaf5902772/library/std/src/io/mod.rs:626:11
[INFO] [stdout]    7:     0x5c98fa0da99c - <alloc[55a36b64bcbf2c0d]::vec::Vec<u8> as std[73adb7dc35730857]::io::Write>::write_fmt
[INFO] [stdout]                                at /rustc/6b3fa26749ab40e159b2dd5cf577acaaf5902772/library/std/src/io/mod.rs:1730:13
[INFO] [stdout]    8:     0x5c98fa0b2986 - <std[73adb7dc35730857]::sys::backtrace::BacktraceLock>::print
[INFO] [stdout]                                at /rustc/6b3fa26749ab40e159b2dd5cf577acaaf5902772/library/std/src/sys/backtrace.rs:47:9
[INFO] [stdout]    9:     0x5c98fa0b2986 - std[73adb7dc35730857]::panicking::default_hook::{closure#0}
[INFO] [stdout]                                at /rustc/6b3fa26749ab40e159b2dd5cf577acaaf5902772/library/std/src/panicking.rs:292:27
[INFO] [stdout]   10:     0x5c98fa0ccd09 - std[73adb7dc35730857]::panicking::default_hook
[INFO] [stdout]                                at /rustc/6b3fa26749ab40e159b2dd5cf577acaaf5902772/library/std/src/panicking.rs:316:9
[INFO] [stdout]   11:     0x5c98f9e5fc40 - <alloc[55a36b64bcbf2c0d]::boxed::Box<dyn for<'a, 'b> core[6883ba1bc0fe4ed1]::ops::function::Fn<(&'a std[73adb7dc35730857]::panic::PanicHookInfo<'b>,), Output = ()> + core[6883ba1bc0fe4ed1]::marker::Send + core[6883ba1bc0fe4ed1]::marker::Sync> as core[6883ba1bc0fe4ed1]::ops::function::Fn<(&std[73adb7dc35730857]::panic::PanicHookInfo,)>>::call
[INFO] [stdout]                                at /rustc/6b3fa26749ab40e159b2dd5cf577acaaf5902772/library/alloc/src/boxed.rs:2333:9
[INFO] [stdout]   12:     0x5c98f9e5fc40 - test[980ffaebd391d06d]::test_main_inner::<test[980ffaebd391d06d]::test_main_static::{closure#0}>::{closure#0}
[INFO] [stdout]                                at /rustc/6b3fa26749ab40e159b2dd5cf577acaaf5902772/library/test/src/lib.rs:155:21
[INFO] [stdout]   13:     0x5c98fa0ccec2 - <alloc[55a36b64bcbf2c0d]::boxed::Box<dyn for<'a, 'b> core[6883ba1bc0fe4ed1]::ops::function::Fn<(&'a std[73adb7dc35730857]::panic::PanicHookInfo<'b>,), Output = ()> + core[6883ba1bc0fe4ed1]::marker::Send + core[6883ba1bc0fe4ed1]::marker::Sync> as core[6883ba1bc0fe4ed1]::ops::function::Fn<(&std[73adb7dc35730857]::panic::PanicHookInfo,)>>::call
[INFO] [stdout]                                at /rustc/6b3fa26749ab40e159b2dd5cf577acaaf5902772/library/alloc/src/boxed.rs:2333:9
[INFO] [stdout]   14:     0x5c98fa0ccec2 - std[73adb7dc35730857]::panicking::panic_with_hook
[INFO] [stdout]                                at /rustc/6b3fa26749ab40e159b2dd5cf577acaaf5902772/library/std/src/panicking.rs:823:13
[INFO] [stdout]   15:     0x5c98fa0b2a32 - std[73adb7dc35730857]::panicking::panic_handler::{closure#0}
[INFO] [stdout]                                at /rustc/6b3fa26749ab40e159b2dd5cf577acaaf5902772/library/std/src/panicking.rs:688:13
[INFO] [stdout]   16:     0x5c98fa0aa1d9 - std[73adb7dc35730857]::sys::backtrace::__rust_end_short_backtrace::<std[73adb7dc35730857]::panicking::panic_handler::{closure#0}, !>
[INFO] [stdout]                                at /rustc/6b3fa26749ab40e159b2dd5cf577acaaf5902772/library/std/src/sys/backtrace.rs:182:18
[INFO] [stdout]   17:     0x5c98fa0b362d - __rustc[a7b7b02e776dd976]::rust_begin_unwind
[INFO] [stdout]                                at /rustc/6b3fa26749ab40e159b2dd5cf577acaaf5902772/library/std/src/panicking.rs:679:5
[INFO] [stdout]   18:     0x5c98fa0ebf9c - core[6883ba1bc0fe4ed1]::panicking::panic_fmt
[INFO] [stdout]                                at /rustc/6b3fa26749ab40e159b2dd5cf577acaaf5902772/library/core/src/panicking.rs:80:14
[INFO] [stdout]   19:     0x5c98fa03b8b8 - core[6883ba1bc0fe4ed1]::panicking::panic_display::<assert_cmd[35418449b5f7a4b8]::assert::AssertError>
[INFO] [stdout]                                at /rustc/6b3fa26749ab40e159b2dd5cf577acaaf5902772/library/core/src/panicking.rs:259:5
[INFO] [stdout]   20:     0x5c98fa0426c7 - <assert_cmd[35418449b5f7a4b8]::assert::AssertError>::panic::<assert_cmd[35418449b5f7a4b8]::assert::Assert>
[INFO] [stdout]                                at /opt/rustwide/cargo-home/registry/src/index.crates.io-1949cf8c6b5b557f/assert_cmd-2.0.11/src/assert.rs:1033:9
[INFO] [stdout]   21:     0x5c98fa038947 - <<assert_cmd[35418449b5f7a4b8]::assert::AssertError>::panic<assert_cmd[35418449b5f7a4b8]::assert::Assert> as core[6883ba1bc0fe4ed1]::ops::function::FnOnce<(assert_cmd[35418449b5f7a4b8]::assert::AssertError,)>>::call_once
[INFO] [stdout]                                at /rustc/6b3fa26749ab40e159b2dd5cf577acaaf5902772/library/core/src/ops/function.rs:250:5
[INFO] [stdout]   22:     0x5c98fa041dfb - <core[6883ba1bc0fe4ed1]::result::Result<assert_cmd[35418449b5f7a4b8]::assert::Assert, assert_cmd[35418449b5f7a4b8]::assert::AssertError>>::unwrap_or_else::<<assert_cmd[35418449b5f7a4b8]::assert::AssertError>::panic<assert_cmd[35418449b5f7a4b8]::assert::Assert>>
[INFO] [stdout]                                at /rustc/6b3fa26749ab40e159b2dd5cf577acaaf5902772/library/core/src/result.rs:1620:23
[INFO] [stdout]   23:     0x5c98f9e45014 - <assert_cmd[35418449b5f7a4b8]::assert::Assert>::stdout::<predicates[32cee55fc2d5e3e6]::ord::EqPredicate<&[u8]>, predicates[32cee55fc2d5e3e6]::ord::EqPredicate<&[u8]>>
[INFO] [stdout]                                at /opt/rustwide/cargo-home/registry/src/index.crates.io-1949cf8c6b5b557f/assert_cmd-2.0.11/src/assert.rs:364:31
[INFO] [stdout]   24:     0x5c98f9e4c803 - lib[ef69c164f1f8dd99]::head::run_stdin
[INFO] [stdout]                                at /opt/rustwide/workdir/tests/head/mod.rs:124:10
[INFO] [stdout]   25:     0x5c98f9e4db0b - lib[ef69c164f1f8dd99]::head::three_n4_stdin
[INFO] [stdout]                                at /opt/rustwide/workdir/tests/head/mod.rs:309:5
[INFO] [stdout]   26:     0x5c98f9e47907 - lib[ef69c164f1f8dd99]::head::three_n4_stdin::{closure#0}
[INFO] [stdout]                                at /opt/rustwide/workdir/tests/head/mod.rs:308:24
[INFO] [stdout]   27:     0x5c98f9e52396 - <lib[ef69c164f1f8dd99]::head::three_n4_stdin::{closure#0} as core[6883ba1bc0fe4ed1]::ops::function::FnOnce<()>>::call_once
[INFO] [stdout]                                at /rustc/6b3fa26749ab40e159b2dd5cf577acaaf5902772/library/core/src/ops/function.rs:250:5
[INFO] [stdout]   28:     0x5c98f9e52f7b - <fn() -> core[6883ba1bc0fe4ed1]::result::Result<(), alloc[55a36b64bcbf2c0d]::string::String> as core[6883ba1bc0fe4ed1]::ops::function::FnOnce<()>>::call_once
[INFO] [stdout]                                at /rustc/6b3fa26749ab40e159b2dd5cf577acaaf5902772/library/core/src/ops/function.rs:250:5
[INFO] [stdout]   29:     0x5c98f9e52f7b - test[980ffaebd391d06d]::__rust_begin_short_backtrace::<core[6883ba1bc0fe4ed1]::result::Result<(), alloc[55a36b64bcbf2c0d]::string::String>, fn() -> core[6883ba1bc0fe4ed1]::result::Result<(), alloc[55a36b64bcbf2c0d]::string::String>>
[INFO] [stdout]                                at /rustc/6b3fa26749ab40e159b2dd5cf577acaaf5902772/library/test/src/lib.rs:724:18
[INFO] [stdout]   30:     0x5c98f9e605c5 - test[980ffaebd391d06d]::run_test_in_process::{closure#0}
[INFO] [stdout]                                at /rustc/6b3fa26749ab40e159b2dd5cf577acaaf5902772/library/test/src/lib.rs:747:74
[INFO] [stdout]   31:     0x5c98f9e605c5 - <core[6883ba1bc0fe4ed1]::panic::unwind_safe::AssertUnwindSafe<test[980ffaebd391d06d]::run_test_in_process::{closure#0}> as core[6883ba1bc0fe4ed1]::ops::function::FnOnce<()>>::call_once
[INFO] [stdout]                                at /rustc/6b3fa26749ab40e159b2dd5cf577acaaf5902772/library/core/src/panic/unwind_safe.rs:275:9
[INFO] [stdout]   32:     0x5c98f9e605c5 - std[73adb7dc35730857]::panicking::catch_unwind::do_call::<core[6883ba1bc0fe4ed1]::panic::unwind_safe::AssertUnwindSafe<test[980ffaebd391d06d]::run_test_in_process::{closure#0}>, core[6883ba1bc0fe4ed1]::result::Result<(), alloc[55a36b64bcbf2c0d]::string::String>>
[INFO] [stdout]                                at /rustc/6b3fa26749ab40e159b2dd5cf577acaaf5902772/library/std/src/panicking.rs:576:43
[INFO] [stdout]   33:     0x5c98f9e605c5 - std[73adb7dc35730857]::panicking::catch_unwind::<core[6883ba1bc0fe4ed1]::result::Result<(), alloc[55a36b64bcbf2c0d]::string::String>, core[6883ba1bc0fe4ed1]::panic::unwind_safe::AssertUnwindSafe<test[980ffaebd391d06d]::run_test_in_process::{closure#0}>>
[INFO] [stdout]                                at /rustc/6b3fa26749ab40e159b2dd5cf577acaaf5902772/library/std/src/panicking.rs:544:19
[INFO] [stdout]   34:     0x5c98f9e605c5 - std[73adb7dc35730857]::panic::catch_unwind::<core[6883ba1bc0fe4ed1]::panic::unwind_safe::AssertUnwindSafe<test[980ffaebd391d06d]::run_test_in_process::{closure#0}>, core[6883ba1bc0fe4ed1]::result::Result<(), alloc[55a36b64bcbf2c0d]::string::String>>
[INFO] [stdout]                                at /rustc/6b3fa26749ab40e159b2dd5cf577acaaf5902772/library/std/src/panic.rs:359:14
[INFO] [stdout]   35:     0x5c98f9e605c5 - test[980ffaebd391d06d]::run_test_in_process
[INFO] [stdout]                                at /rustc/6b3fa26749ab40e159b2dd5cf577acaaf5902772/library/test/src/lib.rs:747:27
[INFO] [stdout]   36:     0x5c98f9e605c5 - test[980ffaebd391d06d]::run_test::{closure#0}
[INFO] [stdout]                                at /rustc/6b3fa26749ab40e159b2dd5cf577acaaf5902772/library/test/src/lib.rs:668:43
[INFO] [stdout]   37:     0x5c98f9e5b074 - test[980ffaebd391d06d]::run_test::{closure#1}
[INFO] [stdout]                                at /rustc/6b3fa26749ab40e159b2dd5cf577acaaf5902772/library/test/src/lib.rs:698:41
[INFO] [stdout]   38:     0x5c98f9e5b074 - std[73adb7dc35730857]::sys::backtrace::__rust_begin_short_backtrace::<test[980ffaebd391d06d]::run_test::{closure#1}, ()>
[INFO] [stdout]                                at /rustc/6b3fa26749ab40e159b2dd5cf577acaaf5902772/library/std/src/sys/backtrace.rs:166:18
[INFO] [stdout]   39:     0x5c98f9e63712 - std[73adb7dc35730857]::thread::lifecycle::spawn_unchecked::<test[980ffaebd391d06d]::run_test::{closure#1}, ()>::{closure#1}::{closure#0}
[INFO] [stdout]                                at /rustc/6b3fa26749ab40e159b2dd5cf577acaaf5902772/library/std/src/thread/lifecycle.rs:70:13
[INFO] [stdout]   40:     0x5c98f9e63712 - <core[6883ba1bc0fe4ed1]::panic::unwind_safe::AssertUnwindSafe<std[73adb7dc35730857]::thread::lifecycle::spawn_unchecked<test[980ffaebd391d06d]::run_test::{closure#1}, ()>::{closure#1}::{closure#0}> as core[6883ba1bc0fe4ed1]::ops::function::FnOnce<()>>::call_once
[INFO] [stdout]                                at /rustc/6b3fa26749ab40e159b2dd5cf577acaaf5902772/library/core/src/panic/unwind_safe.rs:275:9
[INFO] [stdout]   41:     0x5c98f9e63712 - std[73adb7dc35730857]::panicking::catch_unwind::do_call::<core[6883ba1bc0fe4ed1]::panic::unwind_safe::AssertUnwindSafe<std[73adb7dc35730857]::thread::lifecycle::spawn_unchecked<test[980ffaebd391d06d]::run_test::{closure#1}, ()>::{closure#1}::{closure#0}>, ()>
[INFO] [stdout]                                at /rustc/6b3fa26749ab40e159b2dd5cf577acaaf5902772/library/std/src/panicking.rs:576:43
[INFO] [stdout]   42:     0x5c98f9e63712 - std[73adb7dc35730857]::panicking::catch_unwind::<(), core[6883ba1bc0fe4ed1]::panic::unwind_safe::AssertUnwindSafe<std[73adb7dc35730857]::thread::lifecycle::spawn_unchecked<test[980ffaebd391d06d]::run_test::{closure#1}, ()>::{closure#1}::{closure#0}>>
[INFO] [stdout]                                at /rustc/6b3fa26749ab40e159b2dd5cf577acaaf5902772/library/std/src/panicking.rs:544:19
[INFO] [stdout]   43:     0x5c98f9e63712 - std[73adb7dc35730857]::panic::catch_unwind::<core[6883ba1bc0fe4ed1]::panic::unwind_safe::AssertUnwindSafe<std[73adb7dc35730857]::thread::lifecycle::spawn_unchecked<test[980ffaebd391d06d]::run_test::{closure#1}, ()>::{closure#1}::{closure#0}>, ()>
[INFO] [stdout]                                at /rustc/6b3fa26749ab40e159b2dd5cf577acaaf5902772/library/std/src/panic.rs:359:14
[INFO] [stdout]   44:     0x5c98f9e63712 - std[73adb7dc35730857]::thread::lifecycle::spawn_unchecked::<test[980ffaebd391d06d]::run_test::{closure#1}, ()>::{closure#1}
[INFO] [stdout]                                at /rustc/6b3fa26749ab40e159b2dd5cf577acaaf5902772/library/std/src/thread/lifecycle.rs:68:26
[INFO] [stdout]   45:     0x5c98f9e63712 - <std[73adb7dc35730857]::thread::lifecycle::spawn_unchecked<test[980ffaebd391d06d]::run_test::{closure#1}, ()>::{closure#1} as core[6883ba1bc0fe4ed1]::ops::function::FnOnce<()>>::call_once::{shim:vtable#0}
[INFO] [stdout]                                at /rustc/6b3fa26749ab40e159b2dd5cf577acaaf5902772/library/core/src/ops/function.rs:250:5
[INFO] [stdout]   46:     0x5c98fa0d44af - <alloc[55a36b64bcbf2c0d]::boxed::Box<dyn core[6883ba1bc0fe4ed1]::ops::function::FnOnce<(), Output = ()> + core[6883ba1bc0fe4ed1]::marker::Send> as core[6883ba1bc0fe4ed1]::ops::function::FnOnce<()>>::call_once
[INFO] [stdout]                                at /rustc/6b3fa26749ab40e159b2dd5cf577acaaf5902772/library/alloc/src/boxed.rs:2319:9
[INFO] [stdout]   47:     0x5c98fa0d44af - <std[73adb7dc35730857]::sys::thread::unix::Thread>::new::thread_start
[INFO] [stdout]                                at /rustc/6b3fa26749ab40e159b2dd5cf577acaaf5902772/library/std/src/sys/thread/unix.rs:123:17
[INFO] [stdout]   48:     0x718092357aa4 - <unknown>
[INFO] [stdout]   49:     0x7180923e4a64 - clone
[INFO] [stdout]   50:                0x0 - <unknown>
[INFO] [stdout] 
[INFO] [stdout] ---- head::three_c4_stdin stdout ----
[INFO] [stdout] 
[INFO] [stdout] thread 'head::three_c4_stdin' (3303) panicked at /rustc/6b3fa26749ab40e159b2dd5cf577acaaf5902772/library/core/src/ops/function.rs:250:5:
[INFO] [stdout] Unexpected stdout, failed var == [
[INFO] [stdout]     84,
[INFO] [stdout]     104,
[INFO] [stdout]     114,
[INFO] [stdout]     101,
[INFO] [stdout] ]
[INFO] [stdout] └── var: []
[INFO] [stdout] 
[INFO] [stdout] command=`"/opt/rustwide/target/debug/head" "-c" "4"`
[INFO] [stdout] stdin=````
[INFO] [stdout] Three\r
[INFO] [stdout] lines,\r
[INFO] [stdout] four words.
[INFO] [stdout] ```
[INFO] [stdout] `
[INFO] [stdout] code=101
[INFO] [stdout] stdout=""
[INFO] [stdout] stderr=<90 lines total>
[INFO] [stdout] ```
[INFO] [stdout] 
[INFO] [stdout] thread \'main\' (3322) panicked at /opt/rustwide/cargo-home/registry/src/index.crates.io-1949cf8c6b5b557f/clap-3.2.25/src/parser/matches/arg_matches.rs:547:22:
[INFO] [stdout] Must use `Arg::allow_invalid_utf8` with `_os` lookups at `files`
[INFO] [stdout] stack backtrace:
[INFO] [stdout]    0:     0x5891f7cc5601 - std[73adb7dc35730857]::backtrace_rs::backtrace::libunwind::trace
[INFO] [stdout]                                at /rustc/6b3fa26749ab40e159b2dd5cf577acaaf5902772/library/std/src/../../backtrace/src/backtrace/libunwind.rs:117:9
[INFO] [stdout]    1:     0x5891f7cc5601 - std[73adb7dc35730857]::backtrace_rs::backtrace::trace_unsynchronized::<std[73adb7dc35730857]::sys::backtrace::_print_fmt::{closure#1}>
[INFO] [stdout]                                at /rustc/6b3fa26749ab40e159b2dd5cf577acaaf5902772/library/std/src/../../backtrace/src/backtrace/mod.rs:66:14
[INFO] [stdout]    2:     0x5891f7cc5601 - std[73adb7dc35730857]::sys::backtrace::_print_fmt
[INFO] [stdout]                                at /rustc/6b3fa26749ab40e159b2dd5cf577acaaf5902772/library/std/src/sys/backtrace.rs:74:9
[INFO] [stdout]    3:     0x5891f7cc5601 - <<std[73adb7dc35730857]::sys::backtrace::BacktraceLock>::print::DisplayBacktrace as core[6883ba1bc0fe4ed1]::fmt::Display>::fmt
[INFO] [stdout]                                at /rustc/6b3fa26749ab40e159b2dd5cf577acaaf5902772/library/std/src/sys/backtrace.rs:44:26
[INFO] [stdout]    4:     0x5891f7cd928a - <core[6883ba1bc0fe4ed1]::fmt::rt::Argument>::fmt
[INFO] [stdout]                                at /rustc/6b3fa26749ab40e159b2dd5cf577acaaf5902772/library/core/src/fmt/rt.rs:152:76
[INFO] [stdout]    5:     0x5891f7cd928a - core[6883ba1bc0fe4ed1]::fmt::write
[INFO] [stdout]    6:     0x5891f7ccacec - std[73adb7dc35730857]::io::default_write_fmt::<std[73adb7dc35730857]::sys::stdio::unix::Stderr>
[INFO] [stdout]                                at /rustc/6b3fa26749ab40e159b2dd5cf577acaaf5902772/library/std/src/io/mod.rs:626:11
[INFO] [stdout]    7:     0x5891f7ccacec - <std[73adb7dc35730857]::sys::stdio::unix::Stderr as std[73adb7dc35730857]::io::Write>::write_fmt
[INFO] [stdout]                                at /rustc/6b3fa26749ab40e159b2dd5cf577acaaf5902772/library/std/src/io/mod.rs:1730:13
[INFO] [stdout]    8:     0x5891f7cafe16 - <std[73adb7dc35730857]::sys::backtrace::BacktraceLock>::print
[INFO] [stdout] ```
[INFO] [stdout] <30 lines omitted>
[INFO] [stdout] ```
[INFO] [stdout]                                at /rustc/6b3fa26749ab40e159b2dd5cf577acaaf5902772/library/alloc/src/vec/mod.rs:3941:9
[INFO] [stdout]   24:     0x5891f7b5f08e - <core[6883ba1bc0fe4ed1]::iter::adapters::map::Map<core[6883ba1bc0fe4ed1]::iter::adapters::flatten::Flatten<core[6883ba1bc0fe4ed1]::slice::iter::Iter<alloc[55a36b64bcbf2c0d]::vec::Vec<clap[965b0170b9d3cf34]::parser::matches::any_value::AnyValue>>>, <clap[965b0170b9d3cf34]::parser::matches::arg_matches::ArgMatches>::values_of_lossy<&str>::{closure#0}> as core[6883ba1bc0fe4ed1]::iter::traits::iterator::Iterator>::collect::<alloc[55a36b64bcbf2c0d]::vec::Vec<alloc[55a36b64bcbf2c0d]::string::String>>
[INFO] [stdout]                                at /rustc/6b3fa26749ab40e159b2dd5cf577acaaf5902772/library/core/src/iter/traits/iterator.rs:2090:9
[INFO] [stdout]   25:     0x5891f7b59166 - <clap[965b0170b9d3cf34]::parser::matches::arg_matches::ArgMatches>::values_of_lossy::<&str>
[INFO] [stdout]                                at /opt/rustwide/cargo-home/registry/src/index.crates.io-1949cf8c6b5b557f/clap-3.2.25/src/parser/matches/arg_matches.rs:548:14
[INFO] [stdout]   26:     0x5891f7b6318b - command_line_rust[2a7d65b3375657d0]::head::get_args
[INFO] [stdout]                                at /opt/rustwide/workdir/src/head/mod.rs:92:24
[INFO] [stdout]   27:     0x5891f7b58ad2 - head[5f62c2f9cff836a0]::main
[INFO] [stdout]                                at /opt/rustwide/workdir/src/head/main.rs:4:21
[INFO] [stdout]   28:     0x5891f7b58beb - <fn() as core[6883ba1bc0fe4ed1]::ops::function::FnOnce<()>>::call_once
[INFO] [stdout]                                at /rustc/6b3fa26749ab40e159b2dd5cf577acaaf5902772/library/core/src/ops/function.rs:250:5
[INFO] [stdout]   29:     0x5891f7b58a5e - std[73adb7dc35730857]::sys::backtrace::__rust_begin_short_backtrace::<fn(), ()>
[INFO] [stdout]                                at /rustc/6b3fa26749ab40e159b2dd5cf577acaaf5902772/library/std/src/sys/backtrace.rs:166:18
[INFO] [stdout]   30:     0x5891f7b58a81 - std[73adb7dc35730857]::rt::lang_start::<()>::{closure#0}
[INFO] [stdout]                                at /rustc/6b3fa26749ab40e159b2dd5cf577acaaf5902772/library/std/src/rt.rs:206:18
[INFO] [stdout]   31:     0x5891f7cc0547 - <&dyn core[6883ba1bc0fe4ed1]::ops::function::Fn<(), Output = i32> + core[6883ba1bc0fe4ed1]::panic::unwind_safe::RefUnwindSafe + core[6883ba1bc0fe4ed1]::marker::Sync as core[6883ba1bc0fe4ed1]::ops::function::FnOnce<()>>::call_once
[INFO] [stdout]                                at /rustc/6b3fa26749ab40e159b2dd5cf577acaaf5902772/library/core/src/ops/function.rs:287:21
[INFO] [stdout]   32:     0x5891f7cc0547 - std[73adb7dc35730857]::panicking::catch_unwind::do_call::<&dyn core[6883ba1bc0fe4ed1]::ops::function::Fn<(), Output = i32> + core[6883ba1bc0fe4ed1]::panic::unwind_safe::RefUnwindSafe + core[6883ba1bc0fe4ed1]::marker::Sync, i32>
[INFO] [stdout]                                at /rustc/6b3fa26749ab40e159b2dd5cf577acaaf5902772/library/std/src/panicking.rs:576:43
[INFO] [stdout]   33:     0x5891f7cc0547 - std[73adb7dc35730857]::panicking::catch_unwind::<i32, &dyn core[6883ba1bc0fe4ed1]::ops::function::Fn<(), Output = i32> + core[6883ba1bc0fe4ed1]::panic::unwind_safe::RefUnwindSafe + core[6883ba1bc0fe4ed1]::marker::Sync>
[INFO] [stdout]                                at /rustc/6b3fa26749ab40e159b2dd5cf577acaaf5902772/library/std/src/panicking.rs:544:19
[INFO] [stdout]   34:     0x5891f7cc0547 - std[73adb7dc35730857]::panic::catch_unwind::<&dyn core[6883ba1bc0fe4ed1]::ops::function::Fn<(), Output = i32> + core[6883ba1bc0fe4ed1]::panic::unwind_safe::RefUnwindSafe + core[6883ba1bc0fe4ed1]::marker::Sync, i32>
[INFO] [stdout]                                at /rustc/6b3fa26749ab40e159b2dd5cf577acaaf5902772/library/std/src/panic.rs:359:14
[INFO] [stdout]   35:     0x5891f7cc0547 - std[73adb7dc35730857]::rt::lang_start_internal::{closure#0}
[INFO] [stdout]                                at /rustc/6b3fa26749ab40e159b2dd5cf577acaaf5902772/library/std/src/rt.rs:175:24
[INFO] [stdout]   36:     0x5891f7cc0547 - std[73adb7dc35730857]::panicking::catch_unwind::do_call::<std[73adb7dc35730857]::rt::lang_start_internal::{closure#0}, isize>
[INFO] [stdout]                                at /rustc/6b3fa26749ab40e159b2dd5cf577acaaf5902772/library/std/src/panicking.rs:576:43
[INFO] [stdout]   37:     0x5891f7cc0547 - std[73adb7dc35730857]::panicking::catch_unwind::<isize, std[73adb7dc35730857]::rt::lang_start_internal::{closure#0}>
[INFO] [stdout]                                at /rustc/6b3fa26749ab40e159b2dd5cf577acaaf5902772/library/std/src/panicking.rs:544:19
[INFO] [stdout]   38:     0x5891f7cc0547 - std[73adb7dc35730857]::panic::catch_unwind::<std[73adb7dc35730857]::rt::lang_start_internal::{closure#0}, isize>
[INFO] [stdout]                                at /rustc/6b3fa26749ab40e159b2dd5cf577acaaf5902772/library/std/src/panic.rs:359:14
[INFO] [stdout]   39:     0x5891f7cc0547 - std[73adb7dc35730857]::rt::lang_start_internal
[INFO] [stdout]                                at /rustc/6b3fa26749ab40e159b2dd5cf577acaaf5902772/library/std/src/rt.rs:171:5
[INFO] [stdout]   40:     0x5891f7b58a47 - std[73adb7dc35730857]::rt::lang_start::<()>
[INFO] [stdout]                                at /rustc/6b3fa26749ab40e159b2dd5cf577acaaf5902772/library/std/src/rt.rs:205:5
[INFO] [stdout]   41:     0x5891f7b58c7e - main
[INFO] [stdout]   42:     0x7a5a8a7a61ca - <unknown>
[INFO] [stdout]   43:     0x7a5a8a7a628b - __libc_start_main
[INFO] [stdout]   44:     0x5891f7b588a5 - _start
[INFO] [stdout]   45:                0x0 - <unknown>
[INFO] [stdout] ```
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] stack backtrace:
[INFO] [stdout]    0:     0x5c98fa0d5011 - std[73adb7dc35730857]::backtrace_rs::backtrace::libunwind::trace
[INFO] [stdout]                                at /rustc/6b3fa26749ab40e159b2dd5cf577acaaf5902772/library/std/src/../../backtrace/src/backtrace/libunwind.rs:117:9
[INFO] [stdout]    1:     0x5c98fa0d5011 - std[73adb7dc35730857]::backtrace_rs::backtrace::trace_unsynchronized::<std[73adb7dc35730857]::sys::backtrace::_print_fmt::{closure#1}>
[INFO] [stdout]                                at /rustc/6b3fa26749ab40e159b2dd5cf577acaaf5902772/library/std/src/../../backtrace/src/backtrace/mod.rs:66:14
[INFO] [stdout]    2:     0x5c98fa0d5011 - std[73adb7dc35730857]::sys::backtrace::_print_fmt
[INFO] [stdout]                                at /rustc/6b3fa26749ab40e159b2dd5cf577acaaf5902772/library/std/src/sys/backtrace.rs:74:9
[INFO] [stdout]    3:     0x5c98fa0d5011 - <<std[73adb7dc35730857]::sys::backtrace::BacktraceLock>::print::DisplayBacktrace as core[6883ba1bc0fe4ed1]::fmt::Display>::fmt
[INFO] [stdout]                                at /rustc/6b3fa26749ab40e159b2dd5cf577acaaf5902772/library/std/src/sys/backtrace.rs:44:26
[INFO] [stdout]    4:     0x5c98fa0eb71a - <core[6883ba1bc0fe4ed1]::fmt::rt::Argument>::fmt
[INFO] [stdout]                                at /rustc/6b3fa26749ab40e159b2dd5cf577acaaf5902772/library/core/src/fmt/rt.rs:152:76
[INFO] [stdout]    5:     0x5c98fa0eb71a - core[6883ba1bc0fe4ed1]::fmt::write
[INFO] [stdout]    6:     0x5c98fa0da99c - std[73adb7dc35730857]::io::default_write_fmt::<alloc[55a36b64bcbf2c0d]::vec::Vec<u8>>
[INFO] [stdout]                                at /rustc/6b3fa26749ab40e159b2dd5cf577acaaf5902772/library/std/src/io/mod.rs:626:11
[INFO] [stdout]    7:     0x5c98fa0da99c - <alloc[55a36b64bcbf2c0d]::vec::Vec<u8> as std[73adb7dc35730857]::io::Write>::write_fmt
[INFO] [stdout]                                at /rustc/6b3fa26749ab40e159b2dd5cf577acaaf5902772/library/std/src/io/mod.rs:1730:13
[INFO] [stdout]    8:     0x5c98fa0b2986 - <std[73adb7dc35730857]::sys::backtrace::BacktraceLock>::print
[INFO] [stdout]                                at /rustc/6b3fa26749ab40e159b2dd5cf577acaaf5902772/library/std/src/sys/backtrace.rs:47:9
[INFO] [stdout]    9:     0x5c98fa0b2986 - std[73adb7dc35730857]::panicking::default_hook::{closure#0}
[INFO] [stdout]                                at /rustc/6b3fa26749ab40e159b2dd5cf577acaaf5902772/library/std/src/panicking.rs:292:27
[INFO] [stdout]   10:     0x5c98fa0ccd09 - std[73adb7dc35730857]::panicking::default_hook
[INFO] [stdout]                                at /rustc/6b3fa26749ab40e159b2dd5cf577acaaf5902772/library/std/src/panicking.rs:316:9
[INFO] [stdout]   11:     0x5c98f9e5fc40 - <alloc[55a36b64bcbf2c0d]::boxed::Box<dyn for<'a, 'b> core[6883ba1bc0fe4ed1]::ops::function::Fn<(&'a std[73adb7dc35730857]::panic::PanicHookInfo<'b>,), Output = ()> + core[6883ba1bc0fe4ed1]::marker::Send + core[6883ba1bc0fe4ed1]::marker::Sync> as core[6883ba1bc0fe4ed1]::ops::function::Fn<(&std[73adb7dc35730857]::panic::PanicHookInfo,)>>::call
[INFO] [stdout]                                at /rustc/6b3fa26749ab40e159b2dd5cf577acaaf5902772/library/alloc/src/boxed.rs:2333:9
[INFO] [stdout]   12:     0x5c98f9e5fc40 - test[980ffaebd391d06d]::test_main_inner::<test[980ffaebd391d06d]::test_main_static::{closure#0}>::{closure#0}
[INFO] [stdout]                                at /rustc/6b3fa26749ab40e159b2dd5cf577acaaf5902772/library/test/src/lib.rs:155:21
[INFO] [stdout]   13:     0x5c98fa0ccec2 - <alloc[55a36b64bcbf2c0d]::boxed::Box<dyn for<'a, 'b> core[6883ba1bc0fe4ed1]::ops::function::Fn<(&'a std[73adb7dc35730857]::panic::PanicHookInfo<'b>,), Output = ()> + core[6883ba1bc0fe4ed1]::marker::Send + core[6883ba1bc0fe4ed1]::marker::Sync> as core[6883ba1bc0fe4ed1]::ops::function::Fn<(&std[73adb7dc35730857]::panic::PanicHookInfo,)>>::call
[INFO] [stdout]                                at /rustc/6b3fa26749ab40e159b2dd5cf577acaaf5902772/library/alloc/src/boxed.rs:2333:9
[INFO] [stdout]   14:     0x5c98fa0ccec2 - std[73adb7dc35730857]::panicking::panic_with_hook
[INFO] [stdout]                                at /rustc/6b3fa26749ab40e159b2dd5cf577acaaf5902772/library/std/src/panicking.rs:823:13
[INFO] [stdout]   15:     0x5c98fa0b2a32 - std[73adb7dc35730857]::panicking::panic_handler::{closure#0}
[INFO] [stdout]                                at /rustc/6b3fa26749ab40e159b2dd5cf577acaaf5902772/library/std/src/panicking.rs:688:13
[INFO] [stdout]   16:     0x5c98fa0aa1d9 - std[73adb7dc35730857]::sys::backtrace::__rust_end_short_backtrace::<std[73adb7dc35730857]::panicking::panic_handler::{closure#0}, !>
[INFO] [stdout]                                at /rustc/6b3fa26749ab40e159b2dd5cf577acaaf5902772/library/std/src/sys/backtrace.rs:182:18
[INFO] [stdout]   17:     0x5c98fa0b362d - __rustc[a7b7b02e776dd976]::rust_begin_unwind
[INFO] [stdout]                                at /rustc/6b3fa26749ab40e159b2dd5cf577acaaf5902772/library/std/src/panicking.rs:679:5
[INFO] [stdout]   18:     0x5c98fa0ebf9c - core[6883ba1bc0fe4ed1]::panicking::panic_fmt
[INFO] [stdout]                                at /rustc/6b3fa26749ab40e159b2dd5cf577acaaf5902772/library/core/src/panicking.rs:80:14
[INFO] [stdout]   19:     0x5c98fa03b8b8 - core[6883ba1bc0fe4ed1]::panicking::panic_display::<assert_cmd[35418449b5f7a4b8]::assert::AssertError>
[INFO] [stdout]                                at /rustc/6b3fa26749ab40e159b2dd5cf577acaaf5902772/library/core/src/panicking.rs:259:5
[INFO] [stdout]   20:     0x5c98fa0426c7 - <assert_cmd[35418449b5f7a4b8]::assert::AssertError>::panic::<assert_cmd[35418449b5f7a4b8]::assert::Assert>
[INFO] [stdout]                                at /opt/rustwide/cargo-home/registry/src/index.crates.io-1949cf8c6b5b557f/assert_cmd-2.0.11/src/assert.rs:1033:9
[INFO] [stdout]   21:     0x5c98fa038947 - <<assert_cmd[35418449b5f7a4b8]::assert::AssertError>::panic<assert_cmd[35418449b5f7a4b8]::assert::Assert> as core[6883ba1bc0fe4ed1]::ops::function::FnOnce<(assert_cmd[35418449b5f7a4b8]::assert::AssertError,)>>::call_once
[INFO] [stdout]                                at /rustc/6b3fa26749ab40e159b2dd5cf577acaaf5902772/library/core/src/ops/function.rs:250:5
[INFO] [stdout]   22:     0x5c98fa041dfb - <core[6883ba1bc0fe4ed1]::result::Result<assert_cmd[35418449b5f7a4b8]::assert::Assert, assert_cmd[35418449b5f7a4b8]::assert::AssertError>>::unwrap_or_else::<<assert_cmd[35418449b5f7a4b8]::assert::AssertError>::panic<assert_cmd[35418449b5f7a4b8]::assert::Assert>>
[INFO] [stdout]                                at /rustc/6b3fa26749ab40e159b2dd5cf577acaaf5902772/library/core/src/result.rs:1620:23
[INFO] [stdout]   23:     0x5c98f9e45014 - <assert_cmd[35418449b5f7a4b8]::assert::Assert>::stdout::<predicates[32cee55fc2d5e3e6]::ord::EqPredicate<&[u8]>, predicates[32cee55fc2d5e3e6]::ord::EqPredicate<&[u8]>>
[INFO] [stdout]                                at /opt/rustwide/cargo-home/registry/src/index.crates.io-1949cf8c6b5b557f/assert_cmd-2.0.11/src/assert.rs:364:31
[INFO] [stdout]   24:     0x5c98f9e4c803 - lib[ef69c164f1f8dd99]::head::run_stdin
[INFO] [stdout]                                at /opt/rustwide/workdir/tests/head/mod.rs:124:10
[INFO] [stdout]   25:     0x5c98f9e4daab - lib[ef69c164f1f8dd99]::head::three_c4_stdin
[INFO] [stdout]                                at /opt/rustwide/workdir/tests/head/mod.rs:319:5
[INFO] [stdout]   26:     0x5c98f9e478a7 - lib[ef69c164f1f8dd99]::head::three_c4_stdin::{closure#0}
[INFO] [stdout]                                at /opt/rustwide/workdir/tests/head/mod.rs:318:24
[INFO] [stdout]   27:     0x5c98f9e52316 - <lib[ef69c164f1f8dd99]::head::three_c4_stdin::{closure#0} as core[6883ba1bc0fe4ed1]::ops::function::FnOnce<()>>::call_once
[INFO] [stdout]                                at /rustc/6b3fa26749ab40e159b2dd5cf577acaaf5902772/library/core/src/ops/function.rs:250:5
[INFO] [stdout]   28:     0x5c98f9e52f7b - <fn() -> core[6883ba1bc0fe4ed1]::result::Result<(), alloc[55a36b64bcbf2c0d]::string::String> as core[6883ba1bc0fe4ed1]::ops::function::FnOnce<()>>::call_once
[INFO] [stdout]                                at /rustc/6b3fa26749ab40e159b2dd5cf577acaaf5902772/library/core/src/ops/function.rs:250:5
[INFO] [stdout]   29:     0x5c98f9e52f7b - test[980ffaebd391d06d]::__rust_begin_short_backtrace::<core[6883ba1bc0fe4ed1]::result::Result<(), alloc[55a36b64bcbf2c0d]::string::String>, fn() -> core[6883ba1bc0fe4ed1]::result::Result<(), alloc[55a36b64bcbf2c0d]::string::String>>
[INFO] [stdout]                                at /rustc/6b3fa26749ab40e159b2dd5cf577acaaf5902772/library/test/src/lib.rs:724:18
[INFO] [stdout]   30:     0x5c98f9e605c5 - test[980ffaebd391d06d]::run_test_in_process::{closure#0}
[INFO] [stdout]                                at /rustc/6b3fa26749ab40e159b2dd5cf577acaaf5902772/library/test/src/lib.rs:747:74
[INFO] [stdout]   31:     0x5c98f9e605c5 - <core[6883ba1bc0fe4ed1]::panic::unwind_safe::AssertUnwindSafe<test[980ffaebd391d06d]::run_test_in_process::{closure#0}> as core[6883ba1bc0fe4ed1]::ops::function::FnOnce<()>>::call_once
[INFO] [stdout]                                at /rustc/6b3fa26749ab40e159b2dd5cf577acaaf5902772/library/core/src/panic/unwind_safe.rs:275:9
[INFO] [stdout]   32:     0x5c98f9e605c5 - std[73adb7dc35730857]::panicking::catch_unwind::do_call::<core[6883ba1bc0fe4ed1]::panic::unwind_safe::AssertUnwindSafe<test[980ffaebd391d06d]::run_test_in_process::{closure#0}>, core[6883ba1bc0fe4ed1]::result::Result<(), alloc[55a36b64bcbf2c0d]::string::String>>
[INFO] [stdout]                                at /rustc/6b3fa26749ab40e159b2dd5cf577acaaf5902772/library/std/src/panicking.rs:576:43
[INFO] [stdout]   33:     0x5c98f9e605c5 - std[73adb7dc35730857]::panicking::catch_unwind::<core[6883ba1bc0fe4ed1]::result::Result<(), alloc[55a36b64bcbf2c0d]::string::String>, core[6883ba1bc0fe4ed1]::panic::unwind_safe::AssertUnwindSafe<test[980ffaebd391d06d]::run_test_in_process::{closure#0}>>
[INFO] [stdout]                                at /rustc/6b3fa26749ab40e159b2dd5cf577acaaf5902772/library/std/src/panicking.rs:544:19
[INFO] [stdout]   34:     0x5c98f9e605c5 - std[73adb7dc35730857]::panic::catch_unwind::<core[6883ba1bc0fe4ed1]::panic::unwind_safe::AssertUnwindSafe<test[980ffaebd391d06d]::run_test_in_process::{closure#0}>, core[6883ba1bc0fe4ed1]::result::Result<(), alloc[55a36b64bcbf2c0d]::string::String>>
[INFO] [stdout]                                at /rustc/6b3fa26749ab40e159b2dd5cf577acaaf5902772/library/std/src/panic.rs:359:14
[INFO] [stdout]   35:     0x5c98f9e605c5 - test[980ffaebd391d06d]::run_test_in_process
[INFO] [stdout]                                at /rustc/6b3fa26749ab40e159b2dd5cf577acaaf5902772/library/test/src/lib.rs:747:27
[INFO] [stdout]   36:     0x5c98f9e605c5 - test[980ffaebd391d06d]::run_test::{closure#0}
[INFO] [stdout]                                at /rustc/6b3fa26749ab40e159b2dd5cf577acaaf5902772/library/test/src/lib.rs:668:43
[INFO] [stdout]   37:     0x5c98f9e5b074 - test[980ffaebd391d06d]::run_test::{closure#1}
[INFO] [stdout]                                at /rustc/6b3fa26749ab40e159b2dd5cf577acaaf5902772/library/test/src/lib.rs:698:41
[INFO] [stdout]   38:     0x5c98f9e5b074 - std[73adb7dc35730857]::sys::backtrace::__rust_begin_short_backtrace::<test[980ffaebd391d06d]::run_test::{closure#1}, ()>
[INFO] [stdout]                                at /rustc/6b3fa26749ab40e159b2dd5cf577acaaf5902772/library/std/src/sys/backtrace.rs:166:18
[INFO] [stdout]   39:     0x5c98f9e63712 - std[73adb7dc35730857]::thread::lifecycle::spawn_unchecked::<test[980ffaebd391d06d]::run_test::{closure#1}, ()>::{closure#1}::{closure#0}
[INFO] [stdout]                                at /rustc/6b3fa26749ab40e159b2dd5cf577acaaf5902772/library/std/src/thread/lifecycle.rs:70:13
[INFO] [stdout]   40:     0x5c98f9e63712 - <core[6883ba1bc0fe4ed1]::panic::unwind_safe::AssertUnwindSafe<std[73adb7dc35730857]::thread::lifecycle::spawn_unchecked<test[980ffaebd391d06d]::run_test::{closure#1}, ()>::{closure#1}::{closure#0}> as core[6883ba1bc0fe4ed1]::ops::function::FnOnce<()>>::call_once
[INFO] [stdout]                                at /rustc/6b3fa26749ab40e159b2dd5cf577acaaf5902772/library/core/src/panic/unwind_safe.rs:275:9
[INFO] [stdout]   41:     0x5c98f9e63712 - std[73adb7dc35730857]::panicking::catch_unwind::do_call::<core[6883ba1bc0fe4ed1]::panic::unwind_safe::AssertUnwindSafe<std[73adb7dc35730857]::thread::lifecycle::spawn_unchecked<test[980ffaebd391d06d]::run_test::{closure#1}, ()>::{closure#1}::{closure#0}>, ()>
[INFO] [stdout]                                at /rustc/6b3fa26749ab40e159b2dd5cf577acaaf5902772/library/std/src/panicking.rs:576:43
[INFO] [stdout]   42:     0x5c98f9e63712 - std[73adb7dc35730857]::panicking::catch_unwind::<(), core[6883ba1bc0fe4ed1]::panic::unwind_safe::AssertUnwindSafe<std[73adb7dc35730857]::thread::lifecycle::spawn_unchecked<test[980ffaebd391d06d]::run_test::{closure#1}, ()>::{closure#1}::{closure#0}>>
[INFO] [stdout]                                at /rustc/6b3fa26749ab40e159b2dd5cf577acaaf5902772/library/std/src/panicking.rs:544:19
[INFO] [stdout]   43:     0x5c98f9e63712 - std[73adb7dc35730857]::panic::catch_unwind::<core[6883ba1bc0fe4ed1]::panic::unwind_safe::AssertUnwindSafe<std[73adb7dc35730857]::thread::lifecycle::spawn_unchecked<test[980ffaebd391d06d]::run_test::{closure#1}, ()>::{closure#1}::{closure#0}>, ()>
[INFO] [stdout]                                at /rustc/6b3fa26749ab40e159b2dd5cf577acaaf5902772/library/std/src/panic.rs:359:14
[INFO] [stdout]   44:     0x5c98f9e63712 - std[73adb7dc35730857]::thread::lifecycle::spawn_unchecked::<test[980ffaebd391d06d]::run_test::{closure#1}, ()>::{closure#1}
[INFO] [stdout]                                at /rustc/6b3fa26749ab40e159b2dd5cf577acaaf5902772/library/std/src/thread/lifecycle.rs:68:26
[INFO] [stdout]   45:     0x5c98f9e63712 - <std[73adb7dc35730857]::thread::lifecycle::spawn_unchecked<test[980ffaebd391d06d]::run_test::{closure#1}, ()>::{closure#1} as core[6883ba1bc0fe4ed1]::ops::function::FnOnce<()>>::call_once::{shim:vtable#0}
[INFO] [stdout]                                at /rustc/6b3fa26749ab40e159b2dd5cf577acaaf5902772/library/core/src/ops/function.rs:250:5
[INFO] [stdout]   46:     0x5c98fa0d44af - <alloc[55a36b64bcbf2c0d]::boxed::Box<dyn core[6883ba1bc0fe4ed1]::ops::function::FnOnce<(), Output = ()> + core[6883ba1bc0fe4ed1]::marker::Send> as core[6883ba1bc0fe4ed1]::ops::function::FnOnce<()>>::call_once
[INFO] [stdout]                                at /rustc/6b3fa26749ab40e159b2dd5cf577acaaf5902772/library/alloc/src/boxed.rs:2319:9
[INFO] [stdout]   47:     0x5c98fa0d44af - <std[73adb7dc35730857]::sys::thread::unix::Thread>::new::thread_start
[INFO] [stdout]                                at /rustc/6b3fa26749ab40e159b2dd5cf577acaaf5902772/library/std/src/sys/thread/unix.rs:123:17
[INFO] [stdout]   48:     0x718092357aa4 - <unknown>
[INFO] [stdout]   49:     0x7180923e4a64 - clone
[INFO] [stdout]   50:                0x0 - <unknown>
[INFO] [stdout] 
[INFO] [stdout] ---- head::three_n2 stdout ----
[INFO] [stdout] 
[INFO] [stdout] thread 'head::three_n2' (3304) panicked at /rustc/6b3fa26749ab40e159b2dd5cf577acaaf5902772/library/core/src/ops/function.rs:250:5:
[INFO] [stdout] Unexpected failure.
[INFO] [stdout] code-101
[INFO] [stdout] stderr=```<90 lines total>
[INFO] [stdout] ```
[INFO] [stdout] 
[INFO] [stdout] thread \'main\' (3307) panicked at /opt/rustwide/cargo-home/registry/src/index.crates.io-1949cf8c6b5b557f/clap-3.2.25/src/parser/matches/arg_matches.rs:547:22:
[INFO] [stdout] Must use `Arg::allow_invalid_utf8` with `_os` lookups at `files`
[INFO] [stdout] stack backtrace:
[INFO] [stdout]    0:     0x5c7018d64601 - std[73adb7dc35730857]::backtrace_rs::backtrace::libunwind::trace
[INFO] [stdout]                                at /rustc/6b3fa26749ab40e159b2dd5cf577acaaf5902772/library/std/src/../../backtrace/src/backtrace/libunwind.rs:117:9
[INFO] [stdout]    1:     0x5c7018d64601 - std[73adb7dc35730857]::backtrace_rs::backtrace::trace_unsynchronized::<std[73adb7dc35730857]::sys::backtrace::_print_fmt::{closure#1}>
[INFO] [stdout]                                at /rustc/6b3fa26749ab40e159b2dd5cf577acaaf5902772/library/std/src/../../backtrace/src/backtrace/mod.rs:66:14
[INFO] [stdout]    2:     0x5c7018d64601 - std[73adb7dc35730857]::sys::backtrace::_print_fmt
[INFO] [stdout]                                at /rustc/6b3fa26749ab40e159b2dd5cf577acaaf5902772/library/std/src/sys/backtrace.rs:74:9
[INFO] [stdout]    3:     0x5c7018d64601 - <<std[73adb7dc35730857]::sys::backtrace::BacktraceLock>::print::DisplayBacktrace as core[6883ba1bc0fe4ed1]::fmt::Display>::fmt
[INFO] [stdout]                                at /rustc/6b3fa26749ab40e159b2dd5cf577acaaf5902772/library/std/src/sys/backtrace.rs:44:26
[INFO] [stdout]    4:     0x5c7018d7828a - <core[6883ba1bc0fe4ed1]::fmt::rt::Argument>::fmt
[INFO] [stdout]                                at /rustc/6b3fa26749ab40e159b2dd5cf577acaaf5902772/library/core/src/fmt/rt.rs:152:76
[INFO] [stdout]    5:     0x5c7018d7828a - core[6883ba1bc0fe4ed1]::fmt::write
[INFO] [stdout]    6:     0x5c7018d69cec - std[73adb7dc35730857]::io::default_write_fmt::<std[73adb7dc35730857]::sys::stdio::unix::Stderr>
[INFO] [stdout]                                at /rustc/6b3fa26749ab40e159b2dd5cf577acaaf5902772/library/std/src/io/mod.rs:626:11
[INFO] [stdout]    7:     0x5c7018d69cec - <std[73adb7dc35730857]::sys::stdio::unix::Stderr as std[73adb7dc35730857]::io::Write>::write_fmt
[INFO] [stdout]                                at /rustc/6b3fa26749ab40e159b2dd5cf577acaaf5902772/library/std/src/io/mod.rs:1730:13
[INFO] [stdout]    8:     0x5c7018d4ee16 - <std[73adb7dc35730857]::sys::backtrace::BacktraceLock>::print
[INFO] [stdout] ```
[INFO] [stdout] <30 lines omitted>
[INFO] [stdout] ```
[INFO] [stdout]                                at /rustc/6b3fa26749ab40e159b2dd5cf577acaaf5902772/library/alloc/src/vec/mod.rs:3941:9
[INFO] [stdout]   24:     0x5c7018bfe08e - <core[6883ba1bc0fe4ed1]::iter::adapters::map::Map<core[6883ba1bc0fe4ed1]::iter::adapters::flatten::Flatten<core[6883ba1bc0fe4ed1]::slice::iter::Iter<alloc[55a36b64bcbf2c0d]::vec::Vec<clap[965b0170b9d3cf34]::parser::matches::any_value::AnyValue>>>, <clap[965b0170b9d3cf34]::parser::matches::arg_matches::ArgMatches>::values_of_lossy<&str>::{closure#0}> as core[6883ba1bc0fe4ed1]::iter::traits::iterator::Iterator>::collect::<alloc[55a36b64bcbf2c0d]::vec::Vec<alloc[55a36b64bcbf2c0d]::string::String>>
[INFO] [stdout]                                at /rustc/6b3fa26749ab40e159b2dd5cf577acaaf5902772/library/core/src/iter/traits/iterator.rs:2090:9
[INFO] [stdout]   25:     0x5c7018bf8166 - <clap[965b0170b9d3cf34]::parser::matches::arg_matches::ArgMatches>::values_of_lossy::<&str>
[INFO] [stdout]                                at /opt/rustwide/cargo-home/registry/src/index.crates.io-1949cf8c6b5b557f/clap-3.2.25/src/parser/matches/arg_matches.rs:548:14
[INFO] [stdout]   26:     0x5c7018c0218b - command_line_rust[2a7d65b3375657d0]::head::get_args
[INFO] [stdout]                                at /opt/rustwide/workdir/src/head/mod.rs:92:24
[INFO] [stdout]   27:     0x5c7018bf7ad2 - head[5f62c2f9cff836a0]::main
[INFO] [stdout]                                at /opt/rustwide/workdir/src/head/main.rs:4:21
[INFO] [stdout]   28:     0x5c7018bf7beb - <fn() as core[6883ba1bc0fe4ed1]::ops::function::FnOnce<()>>::call_once
[INFO] [stdout]                                at /rustc/6b3fa26749ab40e159b2dd5cf577acaaf5902772/library/core/src/ops/function.rs:250:5
[INFO] [stdout]   29:     0x5c7018bf7a5e - std[73adb7dc35730857]::sys::backtrace::__rust_begin_short_backtrace::<fn(), ()>
[INFO] [stdout]                                at /rustc/6b3fa26749ab40e159b2dd5cf577acaaf5902772/library/std/src/sys/backtrace.rs:166:18
[INFO] [stdout]   30:     0x5c7018bf7a81 - std[73adb7dc35730857]::rt::lang_start::<()>::{closure#0}
[INFO] [stdout]                                at /rustc/6b3fa26749ab40e159b2dd5cf577acaaf5902772/library/std/src/rt.rs:206:18
[INFO] [stdout]   31:     0x5c7018d5f547 - <&dyn core[6883ba1bc0fe4ed1]::ops::function::Fn<(), Output = i32> + core[6883ba1bc0fe4ed1]::panic::unwind_safe::RefUnwindSafe + core[6883ba1bc0fe4ed1]::marker::Sync as core[6883ba1bc0fe4ed1]::ops::function::FnOnce<()>>::call_once
[INFO] [stdout]                                at /rustc/6b3fa26749ab40e159b2dd5cf577acaaf5902772/library/core/src/ops/function.rs:287:21
[INFO] [stdout]   32:     0x5c7018d5f547 - std[73adb7dc35730857]::panicking::catch_unwind::do_call::<&dyn core[6883ba1bc0fe4ed1]::ops::function::Fn<(), Output = i32> + core[6883ba1bc0fe4ed1]::panic::unwind_safe::RefUnwindSafe + core[6883ba1bc0fe4ed1]::marker::Sync, i32>
[INFO] [stdout]                                at /rustc/6b3fa26749ab40e159b2dd5cf577acaaf5902772/library/std/src/panicking.rs:576:43
[INFO] [stdout]   33:     0x5c7018d5f547 - std[73adb7dc35730857]::panicking::catch_unwind::<i32, &dyn core[6883ba1bc0fe4ed1]::ops::function::Fn<(), Output = i32> + core[6883ba1bc0fe4ed1]::panic::unwind_safe::RefUnwindSafe + core[6883ba1bc0fe4ed1]::marker::Sync>
[INFO] [stdout]                                at /rustc/6b3fa26749ab40e159b2dd5cf577acaaf5902772/library/std/src/panicking.rs:544:19
[INFO] [stdout]   34:     0x5c7018d5f547 - std[73adb7dc35730857]::panic::catch_unwind::<&dyn core[6883ba1bc0fe4ed1]::ops::function::Fn<(), Output = i32> + core[6883ba1bc0fe4ed1]::panic::unwind_safe::RefUnwindSafe + core[6883ba1bc0fe4ed1]::marker::Sync, i32>
[INFO] [stdout]                                at /rustc/6b3fa26749ab40e159b2dd5cf577acaaf5902772/library/std/src/panic.rs:359:14
[INFO] [stdout]   35:     0x5c7018d5f547 - std[73adb7dc35730857]::rt::lang_start_internal::{closure#0}
[INFO] [stdout]                                at /rustc/6b3fa26749ab40e159b2dd5cf577acaaf5902772/library/std/src/rt.rs:175:24
[INFO] [stdout]   36:     0x5c7018d5f547 - std[73adb7dc35730857]::panicking::catch_unwind::do_call::<std[73adb7dc35730857]::rt::lang_start_internal::{closure#0}, isize>
[INFO] [stdout]                                at /rustc/6b3fa26749ab40e159b2dd5cf577acaaf5902772/library/std/src/panicking.rs:576:43
[INFO] [stdout]   37:     0x5c7018d5f547 - std[73adb7dc35730857]::panicking::catch_unwind::<isize, std[73adb7dc35730857]::rt::lang_start_internal::{closure#0}>
[INFO] [stdout]                                at /rustc/6b3fa26749ab40e159b2dd5cf577acaaf5902772/library/std/src/panicking.rs:544:19
[INFO] [stdout]   38:     0x5c7018d5f547 - std[73adb7dc35730857]::panic::catch_unwind::<std[73adb7dc35730857]::rt::lang_start_internal::{closure#0}, isize>
[INFO] [stdout]                                at /rustc/6b3fa26749ab40e159b2dd5cf577acaaf5902772/library/std/src/panic.rs:359:14
[INFO] [stdout]   39:     0x5c7018d5f547 - std[73adb7dc35730857]::rt::lang_start_internal
[INFO] [stdout]                                at /rustc/6b3fa26749ab40e159b2dd5cf577acaaf5902772/library/std/src/rt.rs:171:5
[INFO] [stdout]   40:     0x5c7018bf7a47 - std[73adb7dc35730857]::rt::lang_start::<()>
[INFO] [stdout]                                at /rustc/6b3fa26749ab40e159b2dd5cf577acaaf5902772/library/std/src/rt.rs:205:5
[INFO] [stdout]   41:     0x5c7018bf7c7e - main
[INFO] [stdout]   42:     0x7a2aceeb51ca - <unknown>
[INFO] [stdout]   43:     0x7a2aceeb528b - __libc_start_main
[INFO] [stdout]   44:     0x5c7018bf78a5 - _start
[INFO] [stdout]   45:                0x0 - <unknown>
[INFO] [stdout] ```
[INFO] [stdout] ```
[INFO] [stdout] command=`"/opt/rustwide/target/debug/head" "tests/head/inputs/three.txt" "-n" "2"`
[INFO] [stdout] code=101
[INFO] [stdout] stdout=""
[INFO] [stdout] stderr=<90 lines total>
[INFO] [stdout] ```
[INFO] [stdout] 
[INFO] [stdout] thread \'main\' (3307) panicked at /opt/rustwide/cargo-home/registry/src/index.crates.io-1949cf8c6b5b557f/clap-3.2.25/src/parser/matches/arg_matches.rs:547:22:
[INFO] [stdout] Must use `Arg::allow_invalid_utf8` with `_os` lookups at `files`
[INFO] [stdout] stack backtrace:
[INFO] [stdout]    0:     0x5c7018d64601 - std[73adb7dc35730857]::backtrace_rs::backtrace::libunwind::trace
[INFO] [stdout]                                at /rustc/6b3fa26749ab40e159b2dd5cf577acaaf5902772/library/std/src/../../backtrace/src/backtrace/libunwind.rs:117:9
[INFO] [stdout]    1:     0x5c7018d64601 - std[73adb7dc35730857]::backtrace_rs::backtrace::trace_unsynchronized::<std[73adb7dc35730857]::sys::backtrace::_print_fmt::{closure#1}>
[INFO] [stdout]                                at /rustc/6b3fa26749ab40e159b2dd5cf577acaaf5902772/library/std/src/../../backtrace/src/backtrace/mod.rs:66:14
[INFO] [stdout]    2:     0x5c7018d64601 - std[73adb7dc35730857]::sys::backtrace::_print_fmt
[INFO] [stdout]                                at /rustc/6b3fa26749ab40e159b2dd5cf577acaaf5902772/library/std/src/sys/backtrace.rs:74:9
[INFO] [stdout]    3:     0x5c7018d64601 - <<std[73adb7dc35730857]::sys::backtrace::BacktraceLock>::print::DisplayBacktrace as core[6883ba1bc0fe4ed1]::fmt::Display>::fmt
[INFO] [stdout]                                at /rustc/6b3fa26749ab40e159b2dd5cf577acaaf5902772/library/std/src/sys/backtrace.rs:44:26
[INFO] [stdout]    4:     0x5c7018d7828a - <core[6883ba1bc0fe4ed1]::fmt::rt::Argument>::fmt
[INFO] [stdout]                                at /rustc/6b3fa26749ab40e159b2dd5cf577acaaf5902772/library/core/src/fmt/rt.rs:152:76
[INFO] [stdout]    5:     0x5c7018d7828a - core[6883ba1bc0fe4ed1]::fmt::write
[INFO] [stdout]    6:     0x5c7018d69cec - std[73adb7dc35730857]::io::default_write_fmt::<std[73adb7dc35730857]::sys::stdio::unix::Stderr>
[INFO] [stdout]                                at /rustc/6b3fa26749ab40e159b2dd5cf577acaaf5902772/library/std/src/io/mod.rs:626:11
[INFO] [stdout]    7:     0x5c7018d69cec - <std[73adb7dc35730857]::sys::stdio::unix::Stderr as std[73adb7dc35730857]::io::Write>::write_fmt
[INFO] [stdout]                                at /rustc/6b3fa26749ab40e159b2dd5cf577acaaf5902772/library/std/src/io/mod.rs:1730:13
[INFO] [stdout]    8:     0x5c7018d4ee16 - <std[73adb7dc35730857]::sys::backtrace::BacktraceLock>::print
[INFO] [stdout] ```
[INFO] [stdout] <30 lines omitted>
[INFO] [stdout] ```
[INFO] [stdout]                                at /rustc/6b3fa26749ab40e159b2dd5cf577acaaf5902772/library/alloc/src/vec/mod.rs:3941:9
[INFO] [stdout]   24:     0x5c7018bfe08e - <core[6883ba1bc0fe4ed1]::iter::adapters::map::Map<core[6883ba1bc0fe4ed1]::iter::adapters::flatten::Flatten<core[6883ba1bc0fe4ed1]::slice::iter::Iter<alloc[55a36b64bcbf2c0d]::vec::Vec<clap[965b0170b9d3cf34]::parser::matches::any_value::AnyValue>>>, <clap[965b0170b9d3cf34]::parser::matches::arg_matches::ArgMatches>::values_of_lossy<&str>::{closure#0}> as core[6883ba1bc0fe4ed1]::iter::traits::iterator::Iterator>::collect::<alloc[55a36b64bcbf2c0d]::vec::Vec<alloc[55a36b64bcbf2c0d]::string::String>>
[INFO] [stdout]                                at /rustc/6b3fa26749ab40e159b2dd5cf577acaaf5902772/library/core/src/iter/traits/iterator.rs:2090:9
[INFO] [stdout]   25:     0x5c7018bf8166 - <clap[965b0170b9d3cf34]::parser::matches::arg_matches::ArgMatches>::values_of_lossy::<&str>
[INFO] [stdout]                                at /opt/rustwide/cargo-home/registry/src/index.crates.io-1949cf8c6b5b557f/clap-3.2.25/src/parser/matches/arg_matches.rs:548:14
[INFO] [stdout]   26:     0x5c7018c0218b - command_line_rust[2a7d65b3375657d0]::head::get_args
[INFO] [stdout]                                at /opt/rustwide/workdir/src/head/mod.rs:92:24
[INFO] [stdout]   27:     0x5c7018bf7ad2 - head[5f62c2f9cff836a0]::main
[INFO] [stdout]                                at /opt/rustwide/workdir/src/head/main.rs:4:21
[INFO] [stdout]   28:     0x5c7018bf7beb - <fn() as core[6883ba1bc0fe4ed1]::ops::function::FnOnce<()>>::call_once
[INFO] [stdout]                                at /rustc/6b3fa26749ab40e159b2dd5cf577acaaf5902772/library/core/src/ops/function.rs:250:5
[INFO] [stdout]   29:     0x5c7018bf7a5e - std[73adb7dc35730857]::sys::backtrace::__rust_begin_short_backtrace::<fn(), ()>
[INFO] [stdout]                                at /rustc/6b3fa26749ab40e159b2dd5cf577acaaf5902772/library/std/src/sys/backtrace.rs:166:18
[INFO] [stdout]   30:     0x5c7018bf7a81 - std[73adb7dc35730857]::rt::lang_start::<()>::{closure#0}
[INFO] [stdout]                                at /rustc/6b3fa26749ab40e159b2dd5cf577acaaf5902772/library/std/src/rt.rs:206:18
[INFO] [stdout]   31:     0x5c7018d5f547 - <&dyn core[6883ba1bc0fe4ed1]::ops::function::Fn<(), Output = i32> + core[6883ba1bc0fe4ed1]::panic::unwind_safe::RefUnwindSafe + core[6883ba1bc0fe4ed1]::marker::Sync as core[6883ba1bc0fe4ed1]::ops::function::FnOnce<()>>::call_once
[INFO] [stdout]                                at /rustc/6b3fa26749ab40e159b2dd5cf577acaaf5902772/library/core/src/ops/function.rs:287:21
[INFO] [stdout]   32:     0x5c7018d5f547 - std[73adb7dc35730857]::panicking::catch_unwind::do_call::<&dyn core[6883ba1bc0fe4ed1]::ops::function::Fn<(), Output = i32> + core[6883ba1bc0fe4ed1]::panic::unwind_safe::RefUnwindSafe + core[6883ba1bc0fe4ed1]::marker::Sync, i32>
[INFO] [stdout]                                at /rustc/6b3fa26749ab40e159b2dd5cf577acaaf5902772/library/std/src/panicking.rs:576:43
[INFO] [stdout]   33:     0x5c7018d5f547 - std[73adb7dc35730857]::panicking::catch_unwind::<i32, &dyn core[6883ba1bc0fe4ed1]::ops::function::Fn<(), Output = i32> + core[6883ba1bc0fe4ed1]::panic::unwind_safe::RefUnwindSafe + core[6883ba1bc0fe4ed1]::marker::Sync>
[INFO] [stdout]                                at /rustc/6b3fa26749ab40e159b2dd5cf577acaaf5902772/library/std/src/panicking.rs:544:19
[INFO] [stdout]   34:     0x5c7018d5f547 - std[73adb7dc35730857]::panic::catch_unwind::<&dyn core[6883ba1bc0fe4ed1]::ops::function::Fn<(), Output = i32> + core[6883ba1bc0fe4ed1]::panic::unwind_safe::RefUnwindSafe + core[6883ba1bc0fe4ed1]::marker::Sync, i32>
[INFO] [stdout]                                at /rustc/6b3fa26749ab40e159b2dd5cf577acaaf5902772/library/std/src/panic.rs:359:14
[INFO] [stdout]   35:     0x5c7018d5f547 - std[73adb7dc35730857]::rt::lang_start_internal::{closure#0}
[INFO] [stdout]                                at /rustc/6b3fa26749ab40e159b2dd5cf577acaaf5902772/library/std/src/rt.rs:175:24
[INFO] [stdout]   36:     0x5c7018d5f547 - std[73adb7dc35730857]::panicking::catch_unwind::do_call::<std[73adb7dc35730857]::rt::lang_start_internal::{closure#0}, isize>
[INFO] [stdout]                                at /rustc/6b3fa26749ab40e159b2dd5cf577acaaf5902772/library/std/src/panicking.rs:576:43
[INFO] [stdout]   37:     0x5c7018d5f547 - std[73adb7dc35730857]::panicking::catch_unwind::<isize, std[73adb7dc35730857]::rt::lang_start_internal::{closure#0}>
[INFO] [stdout]                                at /rustc/6b3fa26749ab40e159b2dd5cf577acaaf5902772/library/std/src/panicking.rs:544:19
[INFO] [stdout]   38:     0x5c7018d5f547 - std[73adb7dc35730857]::panic::catch_unwind::<std[73adb7dc35730857]::rt::lang_start_internal::{closure#0}, isize>
[INFO] [stdout]                                at /rustc/6b3fa26749ab40e159b2dd5cf577acaaf5902772/library/std/src/panic.rs:359:14
[INFO] [stdout]   39:     0x5c7018d5f547 - std[73adb7dc35730857]::rt::lang_start_internal
[INFO] [stdout]                                at /rustc/6b3fa26749ab40e159b2dd5cf577acaaf5902772/library/std/src/rt.rs:171:5
[INFO] [stdout]   40:     0x5c7018bf7a47 - std[73adb7dc35730857]::rt::lang_start::<()>
[INFO] [stdout]                                at /rustc/6b3fa26749ab40e159b2dd5cf577acaaf5902772/library/std/src/rt.rs:205:5
[INFO] [stdout]   41:     0x5c7018bf7c7e - main
[INFO] [stdout]   42:     0x7a2aceeb51ca - <unknown>
[INFO] [stdout]   43:     0x7a2aceeb528b - __libc_start_main
[INFO] [stdout]   44:     0x5c7018bf78a5 - _start
[INFO] [stdout]   45:                0x0 - <unknown>
[INFO] [stdout] ```
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] stack backtrace:
[INFO] [stdout]    0:     0x5c98fa0d5011 - std[73adb7dc35730857]::backtrace_rs::backtrace::libunwind::trace
[INFO] [stdout]                                at /rustc/6b3fa26749ab40e159b2dd5cf577acaaf5902772/library/std/src/../../backtrace/src/backtrace/libunwind.rs:117:9
[INFO] [stdout]    1:     0x5c98fa0d5011 - std[73adb7dc35730857]::backtrace_rs::backtrace::trace_unsynchronized::<std[73adb7dc35730857]::sys::backtrace::_print_fmt::{closure#1}>
[INFO] [stdout]                                at /rustc/6b3fa26749ab40e159b2dd5cf577acaaf5902772/library/std/src/../../backtrace/src/backtrace/mod.rs:66:14
[INFO] [stdout]    2:     0x5c98fa0d5011 - std[73adb7dc35730857]::sys::backtrace::_print_fmt
[INFO] [stdout]                                at /rustc/6b3fa26749ab40e159b2dd5cf577acaaf5902772/library/std/src/sys/backtrace.rs:74:9
[INFO] [stdout]    3:     0x5c98fa0d5011 - <<std[73adb7dc35730857]::sys::backtrace::BacktraceLock>::print::DisplayBacktrace as core[6883ba1bc0fe4ed1]::fmt::Display>::fmt
[INFO] [stdout]                                at /rustc/6b3fa26749ab40e159b2dd5cf577acaaf5902772/library/std/src/sys/backtrace.rs:44:26
[INFO] [stdout]    4:     0x5c98fa0eb71a - <core[6883ba1bc0fe4ed1]::fmt::rt::Argument>::fmt
[INFO] [stdout]                                at /rustc/6b3fa26749ab40e159b2dd5cf577acaaf5902772/library/core/src/fmt/rt.rs:152:76
[INFO] [stdout]    5:     0x5c98fa0eb71a - core[6883ba1bc0fe4ed1]::fmt::write
[INFO] [stdout]    6:     0x5c98fa0da99c - std[73adb7dc35730857]::io::default_write_fmt::<alloc[55a36b64bcbf2c0d]::vec::Vec<u8>>
[INFO] [stdout]                                at /rustc/6b3fa26749ab40e159b2dd5cf577acaaf5902772/library/std/src/io/mod.rs:626:11
[INFO] [stdout]    7:     0x5c98fa0da99c - <alloc[55a36b64bcbf2c0d]::vec::Vec<u8> as std[73adb7dc35730857]::io::Write>::write_fmt
[INFO] [stdout]                                at /rustc/6b3fa26749ab40e159b2dd5cf577acaaf5902772/library/std/src/io/mod.rs:1730:13
[INFO] [stdout]    8:     0x5c98fa0b2986 - <std[73adb7dc35730857]::sys::backtrace::BacktraceLock>::print
[INFO] [stdout]                                at /rustc/6b3fa26749ab40e159b2dd5cf577acaaf5902772/library/std/src/sys/backtrace.rs:47:9
[INFO] [stdout]    9:     0x5c98fa0b2986 - std[73adb7dc35730857]::panicking::default_hook::{closure#0}
[INFO] [stdout]                                at /rustc/6b3fa26749ab40e159b2dd5cf577acaaf5902772/library/std/src/panicking.rs:292:27
[INFO] [stdout]   10:     0x5c98fa0ccd09 - std[73adb7dc35730857]::panicking::default_hook
[INFO] [stdout]                                at /rustc/6b3fa26749ab40e159b2dd5cf577acaaf5902772/library/std/src/panicking.rs:316:9
[INFO] [stdout]   11:     0x5c98f9e5fc40 - <alloc[55a36b64bcbf2c0d]::boxed::Box<dyn for<'a, 'b> core[6883ba1bc0fe4ed1]::ops::function::Fn<(&'a std[73adb7dc35730857]::panic::PanicHookInfo<'b>,), Output = ()> + core[6883ba1bc0fe4ed1]::marker::Send + core[6883ba1bc0fe4ed1]::marker::Sync> as core[6883ba1bc0fe4ed1]::ops::function::Fn<(&std[73adb7dc35730857]::panic::PanicHookInfo,)>>::call
[INFO] [stdout]                                at /rustc/6b3fa26749ab40e159b2dd5cf577acaaf5902772/library/alloc/src/boxed.rs:2333:9
[INFO] [stdout]   12:     0x5c98f9e5fc40 - test[980ffaebd391d06d]::test_main_inner::<test[980ffaebd391d06d]::test_main_static::{closure#0}>::{closure#0}
[INFO] [stdout]                                at /rustc/6b3fa26749ab40e159b2dd5cf577acaaf5902772/library/test/src/lib.rs:155:21
[INFO] [stdout]   13:     0x5c98fa0ccec2 - <alloc[55a36b64bcbf2c0d]::boxed::Box<dyn for<'a, 'b> core[6883ba1bc0fe4ed1]::ops::function::Fn<(&'a std[73adb7dc35730857]::panic::PanicHookInfo<'b>,), Output = ()> + core[6883ba1bc0fe4ed1]::marker::Send + core[6883ba1bc0fe4ed1]::marker::Sync> as core[6883ba1bc0fe4ed1]::ops::function::Fn<(&std[73adb7dc35730857]::panic::PanicHookInfo,)>>::call
[INFO] [stdout]                                at /rustc/6b3fa26749ab40e159b2dd5cf577acaaf5902772/library/alloc/src/boxed.rs:2333:9
[INFO] [stdout]   14:     0x5c98fa0ccec2 - std[73adb7dc35730857]::panicking::panic_with_hook
[INFO] [stdout]                                at /rustc/6b3fa26749ab40e159b2dd5cf577acaaf5902772/library/std/src/panicking.rs:823:13
[INFO] [stdout]   15:     0x5c98fa0b2a32 - std[73adb7dc35730857]::panicking::panic_handler::{closure#0}
[INFO] [stdout]                                at /rustc/6b3fa26749ab40e159b2dd5cf577acaaf5902772/library/std/src/panicking.rs:688:13
[INFO] [stdout]   16:     0x5c98fa0aa1d9 - std[73adb7dc35730857]::sys::backtrace::__rust_end_short_backtrace::<std[73adb7dc35730857]::panicking::panic_handler::{closure#0}, !>
[INFO] [stdout]                                at /rustc/6b3fa26749ab40e159b2dd5cf577acaaf5902772/library/std/src/sys/backtrace.rs:182:18
[INFO] [stdout]   17:     0x5c98fa0b362d - __rustc[a7b7b02e776dd976]::rust_begin_unwind
[INFO] [stdout]                                at /rustc/6b3fa26749ab40e159b2dd5cf577acaaf5902772/library/std/src/panicking.rs:679:5
[INFO] [stdout]   18:     0x5c98fa0ebf9c - core[6883ba1bc0fe4ed1]::panicking::panic_fmt
[INFO] [stdout]                                at /rustc/6b3fa26749ab40e159b2dd5cf577acaaf5902772/library/core/src/panicking.rs:80:14
[INFO] [stdout]   19:     0x5c98fa03b8b8 - core[6883ba1bc0fe4ed1]::panicking::panic_display::<assert_cmd[35418449b5f7a4b8]::assert::AssertError>
[INFO] [stdout]                                at /rustc/6b3fa26749ab40e159b2dd5cf577acaaf5902772/library/core/src/panicking.rs:259:5
[INFO] [stdout]   20:     0x5c98fa0426c7 - <assert_cmd[35418449b5f7a4b8]::assert::AssertError>::panic::<assert_cmd[35418449b5f7a4b8]::assert::Assert>
[INFO] [stdout]                                at /opt/rustwide/cargo-home/registry/src/index.crates.io-1949cf8c6b5b557f/assert_cmd-2.0.11/src/assert.rs:1033:9
[INFO] [stdout]   21:     0x5c98fa038947 - <<assert_cmd[35418449b5f7a4b8]::assert::AssertError>::panic<assert_cmd[35418449b5f7a4b8]::assert::Assert> as core[6883ba1bc0fe4ed1]::ops::function::FnOnce<(assert_cmd[35418449b5f7a4b8]::assert::AssertError,)>>::call_once
[INFO] [stdout]                                at /rustc/6b3fa26749ab40e159b2dd5cf577acaaf5902772/library/core/src/ops/function.rs:250:5
[INFO] [stdout]   22:     0x5c98fa041dfb - <core[6883ba1bc0fe4ed1]::result::Result<assert_cmd[35418449b5f7a4b8]::assert::Assert, assert_cmd[35418449b5f7a4b8]::assert::AssertError>>::unwrap_or_else::<<assert_cmd[35418449b5f7a4b8]::assert::AssertError>::panic<assert_cmd[35418449b5f7a4b8]::assert::Assert>>
[INFO] [stdout]                                at /rustc/6b3fa26749ab40e159b2dd5cf577acaaf5902772/library/core/src/result.rs:1620:23
[INFO] [stdout]   23:     0x5c98fa0442a0 - <assert_cmd[35418449b5f7a4b8]::assert::Assert>::success
[INFO] [stdout]                                at /opt/rustwide/cargo-home/registry/src/index.crates.io-1949cf8c6b5b557f/assert_cmd-2.0.11/src/assert.rs:158:28
[INFO] [stdout]   24:     0x5c98f9e4c073 - lib[ef69c164f1f8dd99]::head::run
[INFO] [stdout]                                at /opt/rustwide/workdir/tests/head/mod.rs:105:10
[INFO] [stdout]   25:     0x5c98f9e4e19e - lib[ef69c164f1f8dd99]::head::three_n2
[INFO] [stdout]                                at /opt/rustwide/workdir/tests/head/mod.rs:279:5
[INFO] [stdout]   26:     0x5c98f9e47ed7 - lib[ef69c164f1f8dd99]::head::three_n2::{closure#0}
[INFO] [stdout]                                at /opt/rustwide/workdir/tests/head/mod.rs:278:18
[INFO] [stdout]   27:     0x5c98f9e52b56 - <lib[ef69c164f1f8dd99]::head::three_n2::{closure#0} as core[6883ba1bc0fe4ed1]::ops::function::FnOnce<()>>::call_once
[INFO] [stdout]                                at /rustc/6b3fa26749ab40e159b2dd5cf577acaaf5902772/library/core/src/ops/function.rs:250:5
[INFO] [stdout]   28:     0x5c98f9e52f7b - <fn() -> core[6883ba1bc0fe4ed1]::result::Result<(), alloc[55a36b64bcbf2c0d]::string::String> as core[6883ba1bc0fe4ed1]::ops::function::FnOnce<()>>::call_once
[INFO] [stdout]                                at /rustc/6b3fa26749ab40e159b2dd5cf577acaaf5902772/library/core/src/ops/function.rs:250:5
[INFO] [stdout]   29:     0x5c98f9e52f7b - test[980ffaebd391d06d]::__rust_begin_short_backtrace::<core[6883ba1bc0fe4ed1]::result::Result<(), alloc[55a36b64bcbf2c0d]::string::String>, fn() -> core[6883ba1bc0fe4ed1]::result::Result<(), alloc[55a36b64bcbf2c0d]::string::String>>
[INFO] [stdout]                                at /rustc/6b3fa26749ab40e159b2dd5cf577acaaf5902772/library/test/src/lib.rs:724:18
[INFO] [stdout]   30:     0x5c98f9e605c5 - test[980ffaebd391d06d]::run_test_in_process::{closure#0}
[INFO] [stdout]                                at /rustc/6b3fa26749ab40e159b2dd5cf577acaaf5902772/library/test/src/lib.rs:747:74
[INFO] [stdout]   31:     0x5c98f9e605c5 - <core[6883ba1bc0fe4ed1]::panic::unwind_safe::AssertUnwindSafe<test[980ffaebd391d06d]::run_test_in_process::{closure#0}> as core[6883ba1bc0fe4ed1]::ops::function::FnOnce<()>>::call_once
[INFO] [stdout]                                at /rustc/6b3fa26749ab40e159b2dd5cf577acaaf5902772/library/core/src/panic/unwind_safe.rs:275:9
[INFO] [stdout]   32:     0x5c98f9e605c5 - std[73adb7dc35730857]::panicking::catch_unwind::do_call::<core[6883ba1bc0fe4ed1]::panic::unwind_safe::AssertUnwindSafe<test[980ffaebd391d06d]::run_test_in_process::{closure#0}>, core[6883ba1bc0fe4ed1]::result::Result<(), alloc[55a36b64bcbf2c0d]::string::String>>
[INFO] [stdout]                                at /rustc/6b3fa26749ab40e159b2dd5cf577acaaf5902772/library/std/src/panicking.rs:576:43
[INFO] [stdout]   33:     0x5c98f9e605c5 - std[73adb7dc35730857]::panicking::catch_unwind::<core[6883ba1bc0fe4ed1]::result::Result<(), alloc[55a36b64bcbf2c0d]::string::String>, core[6883ba1bc0fe4ed1]::panic::unwind_safe::AssertUnwindSafe<test[980ffaebd391d06d]::run_test_in_process::{closure#0}>>
[INFO] [stdout]                                at /rustc/6b3fa26749ab40e159b2dd5cf577acaaf5902772/library/std/src/panicking.rs:544:19
[INFO] [stdout]   34:     0x5c98f9e605c5 - std[73adb7dc35730857]::panic::catch_unwind::<core[6883ba1bc0fe4ed1]::panic::unwind_safe::AssertUnwindSafe<test[980ffaebd391d06d]::run_test_in_process::{closure#0}>, core[6883ba1bc0fe4ed1]::result::Result<(), alloc[55a36b64bcbf2c0d]::string::String>>
[INFO] [stdout]                                at /rustc/6b3fa26749ab40e159b2dd5cf577acaaf5902772/library/std/src/panic.rs:359:14
[INFO] [stdout]   35:     0x5c98f9e605c5 - test[980ffaebd391d06d]::run_test_in_process
[INFO] [stdout]                                at /rustc/6b3fa26749ab40e159b2dd5cf577acaaf5902772/library/test/src/lib.rs:747:27
[INFO] [stdout]   36:     0x5c98f9e605c5 - test[980ffaebd391d06d]::run_test::{closure#0}
[INFO] [stdout]                                at /rustc/6b3fa26749ab40e159b2dd5cf577acaaf5902772/library/test/src/lib.rs:668:43
[INFO] [stdout]   37:     0x5c98f9e5b074 - test[980ffaebd391d06d]::run_test::{closure#1}
[INFO] [stdout]                                at /rustc/6b3fa26749ab40e159b2dd5cf577acaaf5902772/library/test/src/lib.rs:698:41
[INFO] [stdout]   38:     0x5c98f9e5b074 - std[73adb7dc35730857]::sys::backtrace::__rust_begin_short_backtrace::<test[980ffaebd391d06d]::run_test::{closure#1}, ()>
[INFO] [stdout]                                at /rustc/6b3fa26749ab40e159b2dd5cf577acaaf5902772/library/std/src/sys/backtrace.rs:166:18
[INFO] [stdout]   39:     0x5c98f9e63712 - std[73adb7dc35730857]::thread::lifecycle::spawn_unchecked::<test[980ffaebd391d06d]::run_test::{closure#1}, ()>::{closure#1}::{closure#0}
[INFO] [stdout]                                at /rustc/6b3fa26749ab40e159b2dd5cf577acaaf5902772/library/std/src/thread/lifecycle.rs:70:13
[INFO] [stdout]   40:     0x5c98f9e63712 - <core[6883ba1bc0fe4ed1]::panic::unwind_safe::AssertUnwindSafe<std[73adb7dc35730857]::thread::lifecycle::spawn_unchecked<test[980ffaebd391d06d]::run_test::{closure#1}, ()>::{closure#1}::{closure#0}> as core[6883ba1bc0fe4ed1]::ops::function::FnOnce<()>>::call_once
[INFO] [stdout]                                at /rustc/6b3fa26749ab40e159b2dd5cf577acaaf5902772/library/core/src/panic/unwind_safe.rs:275:9
[INFO] [stdout]   41:     0x5c98f9e63712 - std[73adb7dc35730857]::panicking::catch_unwind::do_call::<core[6883ba1bc0fe4ed1]::panic::unwind_safe::AssertUnwindSafe<std[73adb7dc35730857]::thread::lifecycle::spawn_unchecked<test[980ffaebd391d06d]::run_test::{closure#1}, ()>::{closure#1}::{closure#0}>, ()>
[INFO] [stdout]                                at /rustc/6b3fa26749ab40e159b2dd5cf577acaaf5902772/library/std/src/panicking.rs:576:43
[INFO] [stdout]   42:     0x5c98f9e63712 - std[73adb7dc35730857]::panicking::catch_unwind::<(), core[6883ba1bc0fe4ed1]::panic::unwind_safe::AssertUnwindSafe<std[73adb7dc35730857]::thread::lifecycle::spawn_unchecked<test[980ffaebd391d06d]::run_test::{closure#1}, ()>::{closure#1}::{closure#0}>>
[INFO] [stdout]                                at /rustc/6b3fa26749ab40e159b2dd5cf577acaaf5902772/library/std/src/panicking.rs:544:19
[INFO] [stdout]   43:     0x5c98f9e63712 - std[73adb7dc35730857]::panic::catch_unwind::<core[6883ba1bc0fe4ed1]::panic::unwind_safe::AssertUnwindSafe<std[73adb7dc35730857]::thread::lifecycle::spawn_unchecked<test[980ffaebd391d06d]::run_test::{closure#1}, ()>::{closure#1}::{closure#0}>, ()>
[INFO] [stdout]                                at /rustc/6b3fa26749ab40e159b2dd5cf577acaaf5902772/library/std/src/panic.rs:359:14
[INFO] [stdout]   44:     0x5c98f9e63712 - std[73adb7dc35730857]::thread::lifecycle::spawn_unchecked::<test[980ffaebd391d06d]::run_test::{closure#1}, ()>::{closure#1}
[INFO] [stdout]                                at /rustc/6b3fa26749ab40e159b2dd5cf577acaaf5902772/library/std/src/thread/lifecycle.rs:68:26
[INFO] [stdout]   45:     0x5c98f9e63712 - <std[73adb7dc35730857]::thread::lifecycle::spawn_unchecked<test[980ffaebd391d06d]::run_test::{closure#1}, ()>::{closure#1} as core[6883ba1bc0fe4ed1]::ops::function::FnOnce<()>>::call_once::{shim:vtable#0}
[INFO] [stdout]                                at /rustc/6b3fa26749ab40e159b2dd5cf577acaaf5902772/library/core/src/ops/function.rs:250:5
[INFO] [stdout]   46:     0x5c98fa0d44af - <alloc[55a36b64bcbf2c0d]::boxed::Box<dyn core[6883ba1bc0fe4ed1]::ops::function::FnOnce<(), Output = ()> + core[6883ba1bc0fe4ed1]::marker::Send> as core[6883ba1bc0fe4ed1]::ops::function::FnOnce<()>>::call_once
[INFO] [stdout]                                at /rustc/6b3fa26749ab40e159b2dd5cf577acaaf5902772/library/alloc/src/boxed.rs:2319:9
[INFO] [stdout]   47:     0x5c98fa0d44af - <std[73adb7dc35730857]::sys::thread::unix::Thread>::new::thread_start
[INFO] [stdout]                                at /rustc/6b3fa26749ab40e159b2dd5cf577acaaf5902772/library/std/src/sys/thread/unix.rs:123:17
[INFO] [stdout]   48:     0x718092357aa4 - <unknown>
[INFO] [stdout]   49:     0x7180923e4a64 - clone
[INFO] [stdout]   50:                0x0 - <unknown>
[INFO] [stdout] 
[INFO] [stdout] ---- head::three_c4 stdout ----
[INFO] [stdout] 
[INFO] [stdout] thread 'head::three_c4' (3298) panicked at /rustc/6b3fa26749ab40e159b2dd5cf577acaaf5902772/library/core/src/ops/function.rs:250:5:
[INFO] [stdout] Unexpected failure.
[INFO] [stdout] code-101
[INFO] [stdout] stderr=```<90 lines total>
[INFO] [stdout] ```
[INFO] [stdout] 
[INFO] [stdout] thread \'main\' (3300) panicked at /opt/rustwide/cargo-home/registry/src/index.crates.io-1949cf8c6b5b557f/clap-3.2.25/src/parser/matches/arg_matches.rs:547:22:
[INFO] [stdout] Must use `Arg::allow_invalid_utf8` with `_os` lookups at `files`
[INFO] [stdout] stack backtrace:
[INFO] [stdout]    0:     0x625084436601 - std[73adb7dc35730857]::backtrace_rs::backtrace::libunwind::trace
[INFO] [stdout]                                at /rustc/6b3fa26749ab40e159b2dd5cf577acaaf5902772/library/std/src/../../backtrace/src/backtrace/libunwind.rs:117:9
[INFO] [stdout]    1:     0x625084436601 - std[73adb7dc35730857]::backtrace_rs::backtrace::trace_unsynchronized::<std[73adb7dc35730857]::sys::backtrace::_print_fmt::{closure#1}>
[INFO] [stdout]                                at /rustc/6b3fa26749ab40e159b2dd5cf577acaaf5902772/library/std/src/../../backtrace/src/backtrace/mod.rs:66:14
[INFO] [stdout]    2:     0x625084436601 - std[73adb7dc35730857]::sys::backtrace::_print_fmt
[INFO] [stdout]                                at /rustc/6b3fa26749ab40e159b2dd5cf577acaaf5902772/library/std/src/sys/backtrace.rs:74:9
[INFO] [stdout]    3:     0x625084436601 - <<std[73adb7dc35730857]::sys::backtrace::BacktraceLock>::print::DisplayBacktrace as core[6883ba1bc0fe4ed1]::fmt::Display>::fmt
[INFO] [stdout]                                at /rustc/6b3fa26749ab40e159b2dd5cf577acaaf5902772/library/std/src/sys/backtrace.rs:44:26
[INFO] [stdout]    4:     0x62508444a28a - <core[6883ba1bc0fe4ed1]::fmt::rt::Argument>::fmt
[INFO] [stdout]                                at /rustc/6b3fa26749ab40e159b2dd5cf577acaaf5902772/library/core/src/fmt/rt.rs:152:76
[INFO] [stdout]    5:     0x62508444a28a - core[6883ba1bc0fe4ed1]::fmt::write
[INFO] [stdout]    6:     0x62508443bcec - std[73adb7dc35730857]::io::default_write_fmt::<std[73adb7dc35730857]::sys::stdio::unix::Stderr>
[INFO] [stdout]                                at /rustc/6b3fa26749ab40e159b2dd5cf577acaaf5902772/library/std/src/io/mod.rs:626:11
[INFO] [stdout]    7:     0x62508443bcec - <std[73adb7dc35730857]::sys::stdio::unix::Stderr as std[73adb7dc35730857]::io::Write>::write_fmt
[INFO] [stdout]                                at /rustc/6b3fa26749ab40e159b2dd5cf577acaaf5902772/library/std/src/io/mod.rs:1730:13
[INFO] [stdout]    8:     0x625084420e16 - <std[73adb7dc35730857]::sys::backtrace::BacktraceLock>::print
[INFO] [stdout] ```
[INFO] [stdout] <30 lines omitted>
[INFO] [stdout] ```
[INFO] [stdout]                                at /rustc/6b3fa26749ab40e159b2dd5cf577acaaf5902772/library/alloc/src/vec/mod.rs:3941:9
[INFO] [stdout]   24:     0x6250842d008e - <core[6883ba1bc0fe4ed1]::iter::adapters::map::Map<core[6883ba1bc0fe4ed1]::iter::adapters::flatten::Flatten<core[6883ba1bc0fe4ed1]::slice::iter::Iter<alloc[55a36b64bcbf2c0d]::vec::Vec<clap[965b0170b9d3cf34]::parser::matches::any_value::AnyValue>>>, <clap[965b0170b9d3cf34]::parser::matches::arg_matches::ArgMatches>::values_of_lossy<&str>::{closure#0}> as core[6883ba1bc0fe4ed1]::iter::traits::iterator::Iterator>::collect::<alloc[55a36b64bcbf2c0d]::vec::Vec<alloc[55a36b64bcbf2c0d]::string::String>>
[INFO] [stdout]                                at /rustc/6b3fa26749ab40e159b2dd5cf577acaaf5902772/library/core/src/iter/traits/iterator.rs:2090:9
[INFO] [stdout]   25:     0x6250842ca166 - <clap[965b0170b9d3cf34]::parser::matches::arg_matches::ArgMatches>::values_of_lossy::<&str>
[INFO] [stdout]                                at /opt/rustwide/cargo-home/registry/src/index.crates.io-1949cf8c6b5b557f/clap-3.2.25/src/parser/matches/arg_matches.rs:548:14
[INFO] [stdout]   26:     0x6250842d418b - command_line_rust[2a7d65b3375657d0]::head::get_args
[INFO] [stdout]                                at /opt/rustwide/workdir/src/head/mod.rs:92:24
[INFO] [stdout]   27:     0x6250842c9ad2 - head[5f62c2f9cff836a0]::main
[INFO] [stdout]                                at /opt/rustwide/workdir/src/head/main.rs:4:21
[INFO] [stdout]   28:     0x6250842c9beb - <fn() as core[6883ba1bc0fe4ed1]::ops::function::FnOnce<()>>::call_once
[INFO] [stdout]                                at /rustc/6b3fa26749ab40e159b2dd5cf577acaaf5902772/library/core/src/ops/function.rs:250:5
[INFO] [stdout]   29:     0x6250842c9a5e - std[73adb7dc35730857]::sys::backtrace::__rust_begin_short_backtrace::<fn(), ()>
[INFO] [stdout]                                at /rustc/6b3fa26749ab40e159b2dd5cf577acaaf5902772/library/std/src/sys/backtrace.rs:166:18
[INFO] [stdout]   30:     0x6250842c9a81 - std[73adb7dc35730857]::rt::lang_start::<()>::{closure#0}
[INFO] [stdout]                                at /rustc/6b3fa26749ab40e159b2dd5cf577acaaf5902772/library/std/src/rt.rs:206:18
[INFO] [stdout]   31:     0x625084431547 - <&dyn core[6883ba1bc0fe4ed1]::ops::function::Fn<(), Output = i32> + core[6883ba1bc0fe4ed1]::panic::unwind_safe::RefUnwindSafe + core[6883ba1bc0fe4ed1]::marker::Sync as core[6883ba1bc0fe4ed1]::ops::function::FnOnce<()>>::call_once
[INFO] [stdout]                                at /rustc/6b3fa26749ab40e159b2dd5cf577acaaf5902772/library/core/src/ops/function.rs:287:21
[INFO] [stdout]   32:     0x625084431547 - std[73adb7dc35730857]::panicking::catch_unwind::do_call::<&dyn core[6883ba1bc0fe4ed1]::ops::function::Fn<(), Output = i32> + core[6883ba1bc0fe4ed1]::panic::unwind_safe::RefUnwindSafe + core[6883ba1bc0fe4ed1]::marker::Sync, i32>
[INFO] [stdout]                                at /rustc/6b3fa26749ab40e159b2dd5cf577acaaf5902772/library/std/src/panicking.rs:576:43
[INFO] [stdout]   33:     0x625084431547 - std[73adb7dc35730857]::panicking::catch_unwind::<i32, &dyn core[6883ba1bc0fe4ed1]::ops::function::Fn<(), Output = i32> + core[6883ba1bc0fe4ed1]::panic::unwind_safe::RefUnwindSafe + core[6883ba1bc0fe4ed1]::marker::Sync>
[INFO] [stdout]                                at /rustc/6b3fa26749ab40e159b2dd5cf577acaaf5902772/library/std/src/panicking.rs:544:19
[INFO] [stdout]   34:     0x625084431547 - std[73adb7dc35730857]::panic::catch_unwind::<&dyn core[6883ba1bc0fe4ed1]::ops::function::Fn<(), Output = i32> + core[6883ba1bc0fe4ed1]::panic::unwind_safe::RefUnwindSafe + core[6883ba1bc0fe4ed1]::marker::Sync, i32>
[INFO] [stdout]                                at /rustc/6b3fa26749ab40e159b2dd5cf577acaaf5902772/library/std/src/panic.rs:359:14
[INFO] [stdout]   35:     0x625084431547 - std[73adb7dc35730857]::rt::lang_start_internal::{closure#0}
[INFO] [stdout]                                at /rustc/6b3fa26749ab40e159b2dd5cf577acaaf5902772/library/std/src/rt.rs:175:24
[INFO] [stdout]   36:     0x625084431547 - std[73adb7dc35730857]::panicking::catch_unwind::do_call::<std[73adb7dc35730857]::rt::lang_start_internal::{closure#0}, isize>
[INFO] [stdout]                                at /rustc/6b3fa26749ab40e159b2dd5cf577acaaf5902772/library/std/src/panicking.rs:576:43
[INFO] [stdout]   37:     0x625084431547 - std[73adb7dc35730857]::panicking::catch_unwind::<isize, std[73adb7dc35730857]::rt::lang_start_internal::{closure#0}>
[INFO] [stdout]                                at /rustc/6b3fa26749ab40e159b2dd5cf577acaaf5902772/library/std/src/panicking.rs:544:19
[INFO] [stdout]   38:     0x625084431547 - std[73adb7dc35730857]::panic::catch_unwind::<std[73adb7dc35730857]::rt::lang_start_internal::{closure#0}, isize>
[INFO] [stdout]                                at /rustc/6b3fa26749ab40e159b2dd5cf577acaaf5902772/library/std/src/panic.rs:359:14
[INFO] [stdout]   39:     0x625084431547 - std[73adb7dc35730857]::rt::lang_start_internal
[INFO] [stdout]                                at /rustc/6b3fa26749ab40e159b2dd5cf577acaaf5902772/library/std/src/rt.rs:171:5
[INFO] [stdout]   40:     0x6250842c9a47 - std[73adb7dc35730857]::rt::lang_start::<()>
[INFO] [stdout]                                at /rustc/6b3fa26749ab40e159b2dd5cf577acaaf5902772/library/std/src/rt.rs:205:5
[INFO] [stdout]   41:     0x6250842c9c7e - main
[INFO] [stdout]   42:     0x77729a22b1ca - <unknown>
[INFO] [stdout]   43:     0x77729a22b28b - __libc_start_main
[INFO] [stdout]   44:     0x6250842c98a5 - _start
[INFO] [stdout]   45:                0x0 - <unknown>
[INFO] [stdout] ```
[INFO] [stdout] ```
[INFO] [stdout] command=`"/opt/rustwide/target/debug/head" "tests/head/inputs/three.txt" "-c" "4"`
[INFO] [stdout] code=101
[INFO] [stdout] stdout=""
[INFO] [stdout] stderr=<90 lines total>
[INFO] [stdout] ```
[INFO] [stdout] 
[INFO] [stdout] thread \'main\' (3300) panicked at /opt/rustwide/cargo-home/registry/src/index.crates.io-1949cf8c6b5b557f/clap-3.2.25/src/parser/matches/arg_matches.rs:547:22:
[INFO] [stdout] Must use `Arg::allow_invalid_utf8` with `_os` lookups at `files`
[INFO] [stdout] stack backtrace:
[INFO] [stdout]    0:     0x625084436601 - std[73adb7dc35730857]::backtrace_rs::backtrace::libunwind::trace
[INFO] [stdout]                                at /rustc/6b3fa26749ab40e159b2dd5cf577acaaf5902772/library/std/src/../../backtrace/src/backtrace/libunwind.rs:117:9
[INFO] [stdout]    1:     0x625084436601 - std[73adb7dc35730857]::backtrace_rs::backtrace::trace_unsynchronized::<std[73adb7dc35730857]::sys::backtrace::_print_fmt::{closure#1}>
[INFO] [stdout]                                at /rustc/6b3fa26749ab40e159b2dd5cf577acaaf5902772/library/std/src/../../backtrace/src/backtrace/mod.rs:66:14
[INFO] [stdout]    2:     0x625084436601 - std[73adb7dc35730857]::sys::backtrace::_print_fmt
[INFO] [stdout]                                at /rustc/6b3fa26749ab40e159b2dd5cf577acaaf5902772/library/std/src/sys/backtrace.rs:74:9
[INFO] [stdout]    3:     0x625084436601 - <<std[73adb7dc35730857]::sys::backtrace::BacktraceLock>::print::DisplayBacktrace as core[6883ba1bc0fe4ed1]::fmt::Display>::fmt
[INFO] [stdout]                                at /rustc/6b3fa26749ab40e159b2dd5cf577acaaf5902772/library/std/src/sys/backtrace.rs:44:26
[INFO] [stdout]    4:     0x62508444a28a - <core[6883ba1bc0fe4ed1]::fmt::rt::Argument>::fmt
[INFO] [stdout]                                at /rustc/6b3fa26749ab40e159b2dd5cf577acaaf5902772/library/core/src/fmt/rt.rs:152:76
[INFO] [stdout]    5:     0x62508444a28a - core[6883ba1bc0fe4ed1]::fmt::write
[INFO] [stdout]    6:     0x62508443bcec - std[73adb7dc35730857]::io::default_write_fmt::<std[73adb7dc35730857]::sys::stdio::unix::Stderr>
[INFO] [stdout]                                at /rustc/6b3fa26749ab40e159b2dd5cf577acaaf5902772/library/std/src/io/mod.rs:626:11
[INFO] [stdout]    7:     0x62508443bcec - <std[73adb7dc35730857]::sys::stdio::unix::Stderr as std[73adb7dc35730857]::io::Write>::write_fmt
[INFO] [stdout]                                at /rustc/6b3fa26749ab40e159b2dd5cf577acaaf5902772/library/std/src/io/mod.rs:1730:13
[INFO] [stdout]    8:     0x625084420e16 - <std[73adb7dc35730857]::sys::backtrace::BacktraceLock>::print
[INFO] [stdout] ```
[INFO] [stdout] <30 lines omitted>
[INFO] [stdout] ```
[INFO] [stdout]                                at /rustc/6b3fa26749ab40e159b2dd5cf577acaaf5902772/library/alloc/src/vec/mod.rs:3941:9
[INFO] [stdout]   24:     0x6250842d008e - <core[6883ba1bc0fe4ed1]::iter::adapters::map::Map<core[6883ba1bc0fe4ed1]::iter::adapters::flatten::Flatten<core[6883ba1bc0fe4ed1]::slice::iter::Iter<alloc[55a36b64bcbf2c0d]::vec::Vec<clap[965b0170b9d3cf34]::parser::matches::any_value::AnyValue>>>, <clap[965b0170b9d3cf34]::parser::matches::arg_matches::ArgMatches>::values_of_lossy<&str>::{closure#0}> as core[6883ba1bc0fe4ed1]::iter::traits::iterator::Iterator>::collect::<alloc[55a36b64bcbf2c0d]::vec::Vec<alloc[55a36b64bcbf2c0d]::string::String>>
[INFO] [stdout]                                at /rustc/6b3fa26749ab40e159b2dd5cf577acaaf5902772/library/core/src/iter/traits/iterator.rs:2090:9
[INFO] [stdout]   25:     0x6250842ca166 - <clap[965b0170b9d3cf34]::parser::matches::arg_matches::ArgMatches>::values_of_lossy::<&str>
[INFO] [stdout]                                at /opt/rustwide/cargo-home/registry/src/index.crates.io-1949cf8c6b5b557f/clap-3.2.25/src/parser/matches/arg_matches.rs:548:14
[INFO] [stdout]   26:     0x6250842d418b - command_line_rust[2a7d65b3375657d0]::head::get_args
[INFO] [stdout]                                at /opt/rustwide/workdir/src/head/mod.rs:92:24
[INFO] [stdout]   27:     0x6250842c9ad2 - head[5f62c2f9cff836a0]::main
[INFO] [stdout]                                at /opt/rustwide/workdir/src/head/main.rs:4:21
[INFO] [stdout]   28:     0x6250842c9beb - <fn() as core[6883ba1bc0fe4ed1]::ops::function::FnOnce<()>>::call_once
[INFO] [stdout]                                at /rustc/6b3fa26749ab40e159b2dd5cf577acaaf5902772/library/core/src/ops/function.rs:250:5
[INFO] [stdout]   29:     0x6250842c9a5e - std[73adb7dc35730857]::sys::backtrace::__rust_begin_short_backtrace::<fn(), ()>
[INFO] [stdout]                                at /rustc/6b3fa26749ab40e159b2dd5cf577acaaf5902772/library/std/src/sys/backtrace.rs:166:18
[INFO] [stdout]   30:     0x6250842c9a81 - std[73adb7dc35730857]::rt::lang_start::<()>::{closure#0}
[INFO] [stdout]                                at /rustc/6b3fa26749ab40e159b2dd5cf577acaaf5902772/library/std/src/rt.rs:206:18
[INFO] [stdout]   31:     0x625084431547 - <&dyn core[6883ba1bc0fe4ed1]::ops::function::Fn<(), Output = i32> + core[6883ba1bc0fe4ed1]::panic::unwind_safe::RefUnwindSafe + core[6883ba1bc0fe4ed1]::marker::Sync as core[6883ba1bc0fe4ed1]::ops::function::FnOnce<()>>::call_once
[INFO] [stdout]                                at /rustc/6b3fa26749ab40e159b2dd5cf577acaaf5902772/library/core/src/ops/function.rs:287:21
[INFO] [stdout]   32:     0x625084431547 - std[73adb7dc35730857]::panicking::catch_unwind::do_call::<&dyn core[6883ba1bc0fe4ed1]::ops::function::Fn<(), Output = i32> + core[6883ba1bc0fe4ed1]::panic::unwind_safe::RefUnwindSafe + core[6883ba1bc0fe4ed1]::marker::Sync, i32>
[INFO] [stdout]                                at /rustc/6b3fa26749ab40e159b2dd5cf577acaaf5902772/library/std/src/panicking.rs:576:43
[INFO] [stdout]   33:     0x625084431547 - std[73adb7dc35730857]::panicking::catch_unwind::<i32, &dyn core[6883ba1bc0fe4ed1]::ops::function::Fn<(), Output = i32> + core[6883ba1bc0fe4ed1]::panic::unwind_safe::RefUnwindSafe + core[6883ba1bc0fe4ed1]::marker::Sync>
[INFO] [stdout]                                at /rustc/6b3fa26749ab40e159b2dd5cf577acaaf5902772/library/std/src/panicking.rs:544:19
[INFO] [stdout]   34:     0x625084431547 - std[73adb7dc35730857]::panic::catch_unwind::<&dyn core[6883ba1bc0fe4ed1]::ops::function::Fn<(), Output = i32> + core[6883ba1bc0fe4ed1]::panic::unwind_safe::RefUnwindSafe + core[6883ba1bc0fe4ed1]::marker::Sync, i32>
[INFO] [stdout]                                at /rustc/6b3fa26749ab40e159b2dd5cf577acaaf5902772/library/std/src/panic.rs:359:14
[INFO] [stdout]   35:     0x625084431547 - std[73adb7dc35730857]::rt::lang_start_internal::{closure#0}
[INFO] [stdout]                                at /rustc/6b3fa26749ab40e159b2dd5cf577acaaf5902772/library/std/src/rt.rs:175:24
[INFO] [stdout]   36:     0x625084431547 - std[73adb7dc35730857]::panicking::catch_unwind::do_call::<std[73adb7dc35730857]::rt::lang_start_internal::{closure#0}, isize>
[INFO] [stdout]                                at /rustc/6b3fa26749ab40e159b2dd5cf577acaaf5902772/library/std/src/panicking.rs:576:43
[INFO] [stdout]   37:     0x625084431547 - std[73adb7dc35730857]::panicking::catch_unwind::<isize, std[73adb7dc35730857]::rt::lang_start_internal::{closure#0}>
[INFO] [stdout]                                at /rustc/6b3fa26749ab40e159b2dd5cf577acaaf5902772/library/std/src/panicking.rs:544:19
[INFO] [stdout]   38:     0x625084431547 - std[73adb7dc35730857]::panic::catch_unwind::<std[73adb7dc35730857]::rt::lang_start_internal::{closure#0}, isize>
[INFO] [stdout]                                at /rustc/6b3fa26749ab40e159b2dd5cf577acaaf5902772/library/std/src/panic.rs:359:14
[INFO] [stdout]   39:     0x625084431547 - std[73adb7dc35730857]::rt::lang_start_internal
[INFO] [stdout]                                at /rustc/6b3fa26749ab40e159b2dd5cf577acaaf5902772/library/std/src/rt.rs:171:5
[INFO] [stdout]   40:     0x6250842c9a47 - std[73adb7dc35730857]::rt::lang_start::<()>
[INFO] [stdout]                                at /rustc/6b3fa26749ab40e159b2dd5cf577acaaf5902772/library/std/src/rt.rs:205:5
[INFO] [stdout]   41:     0x6250842c9c7e - main
[INFO] [stdout]   42:     0x77729a22b1ca - <unknown>
[INFO] [stdout]   43:     0x77729a22b28b - __libc_start_main
[INFO] [stdout]   44:     0x6250842c98a5 - _start
[INFO] [stdout]   45:                0x0 - <unknown>
[INFO] [stdout] ```
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] stack backtrace:
[INFO] [stdout]    0:     0x5c98fa0d5011 - std[73adb7dc35730857]::backtrace_rs::backtrace::libunwind::trace
[INFO] [stdout]                                at /rustc/6b3fa26749ab40e159b2dd5cf577acaaf5902772/library/std/src/../../backtrace/src/backtrace/libunwind.rs:117:9
[INFO] [stdout]    1:     0x5c98fa0d5011 - std[73adb7dc35730857]::backtrace_rs::backtrace::trace_unsynchronized::<std[73adb7dc35730857]::sys::backtrace::_print_fmt::{closure#1}>
[INFO] [stdout]                                at /rustc/6b3fa26749ab40e159b2dd5cf577acaaf5902772/library/std/src/../../backtrace/src/backtrace/mod.rs:66:14
[INFO] [stdout]    2:     0x5c98fa0d5011 - std[73adb7dc35730857]::sys::backtrace::_print_fmt
[INFO] [stdout]                                at /rustc/6b3fa26749ab40e159b2dd5cf577acaaf5902772/library/std/src/sys/backtrace.rs:74:9
[INFO] [stdout]    3:     0x5c98fa0d5011 - <<std[73adb7dc35730857]::sys::backtrace::BacktraceLock>::print::DisplayBacktrace as core[6883ba1bc0fe4ed1]::fmt::Display>::fmt
[INFO] [stdout]                                at /rustc/6b3fa26749ab40e159b2dd5cf577acaaf5902772/library/std/src/sys/backtrace.rs:44:26
[INFO] [stdout]    4:     0x5c98fa0eb71a - <core[6883ba1bc0fe4ed1]::fmt::rt::Argument>::fmt
[INFO] [stdout]                                at /rustc/6b3fa26749ab40e159b2dd5cf577acaaf5902772/library/core/src/fmt/rt.rs:152:76
[INFO] [stdout]    5:     0x5c98fa0eb71a - core[6883ba1bc0fe4ed1]::fmt::write
[INFO] [stdout]    6:     0x5c98fa0da99c - std[73adb7dc35730857]::io::default_write_fmt::<alloc[55a36b64bcbf2c0d]::vec::Vec<u8>>
[INFO] [stdout]                                at /rustc/6b3fa26749ab40e159b2dd5cf577acaaf5902772/library/std/src/io/mod.rs:626:11
[INFO] [stdout]    7:     0x5c98fa0da99c - <alloc[55a36b64bcbf2c0d]::vec::Vec<u8> as std[73adb7dc35730857]::io::Write>::write_fmt
[INFO] [stdout]                                at /rustc/6b3fa26749ab40e159b2dd5cf577acaaf5902772/library/std/src/io/mod.rs:1730:13
[INFO] [stdout]    8:     0x5c98fa0b2986 - <std[73adb7dc35730857]::sys::backtrace::BacktraceLock>::print
[INFO] [stdout]                                at /rustc/6b3fa26749ab40e159b2dd5cf577acaaf5902772/library/std/src/sys/backtrace.rs:47:9
[INFO] [stdout]    9:     0x5c98fa0b2986 - std[73adb7dc35730857]::panicking::default_hook::{closure#0}
[INFO] [stdout]                                at /rustc/6b3fa26749ab40e159b2dd5cf577acaaf5902772/library/std/src/panicking.rs:292:27
[INFO] [stdout]   10:     0x5c98fa0ccd09 - std[73adb7dc35730857]::panicking::default_hook
[INFO] [stdout]                                at /rustc/6b3fa26749ab40e159b2dd5cf577acaaf5902772/library/std/src/panicking.rs:316:9
[INFO] [stdout]   11:     0x5c98f9e5fc40 - <alloc[55a36b64bcbf2c0d]::boxed::Box<dyn for<'a, 'b> core[6883ba1bc0fe4ed1]::ops::function::Fn<(&'a std[73adb7dc35730857]::panic::PanicHookInfo<'b>,), Output = ()> + core[6883ba1bc0fe4ed1]::marker::Send + core[6883ba1bc0fe4ed1]::marker::Sync> as core[6883ba1bc0fe4ed1]::ops::function::Fn<(&std[73adb7dc35730857]::panic::PanicHookInfo,)>>::call
[INFO] [stdout]                                at /rustc/6b3fa26749ab40e159b2dd5cf577acaaf5902772/library/alloc/src/boxed.rs:2333:9
[INFO] [stdout]   12:     0x5c98f9e5fc40 - test[980ffaebd391d06d]::test_main_inner::<test[980ffaebd391d06d]::test_main_static::{closure#0}>::{closure#0}
[INFO] [stdout]                                at /rustc/6b3fa26749ab40e159b2dd5cf577acaaf5902772/library/test/src/lib.rs:155:21
[INFO] [stdout]   13:     0x5c98fa0ccec2 - <alloc[55a36b64bcbf2c0d]::boxed::Box<dyn for<'a, 'b> core[6883ba1bc0fe4ed1]::ops::function::Fn<(&'a std[73adb7dc35730857]::panic::PanicHookInfo<'b>,), Output = ()> + core[6883ba1bc0fe4ed1]::marker::Send + core[6883ba1bc0fe4ed1]::marker::Sync> as core[6883ba1bc0fe4ed1]::ops::function::Fn<(&std[73adb7dc35730857]::panic::PanicHookInfo,)>>::call
[INFO] [stdout]                                at /rustc/6b3fa26749ab40e159b2dd5cf577acaaf5902772/library/alloc/src/boxed.rs:2333:9
[INFO] [stdout]   14:     0x5c98fa0ccec2 - std[73adb7dc35730857]::panicking::panic_with_hook
[INFO] [stdout]                                at /rustc/6b3fa26749ab40e159b2dd5cf577acaaf5902772/library/std/src/panicking.rs:823:13
[INFO] [stdout]   15:     0x5c98fa0b2a32 - std[73adb7dc35730857]::panicking::panic_handler::{closure#0}
[INFO] [stdout]                                at /rustc/6b3fa26749ab40e159b2dd5cf577acaaf5902772/library/std/src/panicking.rs:688:13
[INFO] [stdout]   16:     0x5c98fa0aa1d9 - std[73adb7dc35730857]::sys::backtrace::__rust_end_short_backtrace::<std[73adb7dc35730857]::panicking::panic_handler::{closure#0}, !>
[INFO] [stdout]                                at /rustc/6b3fa26749ab40e159b2dd5cf577acaaf5902772/library/std/src/sys/backtrace.rs:182:18
[INFO] [stdout]   17:     0x5c98fa0b362d - __rustc[a7b7b02e776dd976]::rust_begin_unwind
[INFO] [stdout]                                at /rustc/6b3fa26749ab40e159b2dd5cf577acaaf5902772/library/std/src/panicking.rs:679:5
[INFO] [stdout]   18:     0x5c98fa0ebf9c - core[6883ba1bc0fe4ed1]::panicking::panic_fmt
[INFO] [stdout]                                at /rustc/6b3fa26749ab40e159b2dd5cf577acaaf5902772/library/core/src/panicking.rs:80:14
[INFO] [stdout]   19:     0x5c98fa03b8b8 - core[6883ba1bc0fe4ed1]::panicking::panic_display::<assert_cmd[35418449b5f7a4b8]::assert::AssertError>
[INFO] [stdout]                                at /rustc/6b3fa26749ab40e159b2dd5cf577acaaf5902772/library/core/src/panicking.rs:259:5
[INFO] [stdout]   20:     0x5c98fa0426c7 - <assert_cmd[35418449b5f7a4b8]::assert::AssertError>::panic::<assert_cmd[35418449b5f7a4b8]::assert::Assert>
[INFO] [stdout]                                at /opt/rustwide/cargo-home/registry/src/index.crates.io-1949cf8c6b5b557f/assert_cmd-2.0.11/src/assert.rs:1033:9
[INFO] [stdout]   21:     0x5c98fa038947 - <<assert_cmd[35418449b5f7a4b8]::assert::AssertError>::panic<assert_cmd[35418449b5f7a4b8]::assert::Assert> as core[6883ba1bc0fe4ed1]::ops::function::FnOnce<(assert_cmd[35418449b5f7a4b8]::assert::AssertError,)>>::call_once
[INFO] [stdout]                                at /rustc/6b3fa26749ab40e159b2dd5cf577acaaf5902772/library/core/src/ops/function.rs:250:5
[INFO] [stdout]   22:     0x5c98fa041dfb - <core[6883ba1bc0fe4ed1]::result::Result<assert_cmd[35418449b5f7a4b8]::assert::Assert, assert_cmd[35418449b5f7a4b8]::assert::AssertError>>::unwrap_or_else::<<assert_cmd[35418449b5f7a4b8]::assert::AssertError>::panic<assert_cmd[35418449b5f7a4b8]::assert::Assert>>
[INFO] [stdout]                                at /rustc/6b3fa26749ab40e159b2dd5cf577acaaf5902772/library/core/src/result.rs:1620:23
[INFO] [stdout]   23:     0x5c98fa0442a0 - <assert_cmd[35418449b5f7a4b8]::assert::Assert>::success
[INFO] [stdout]                                at /opt/rustwide/cargo-home/registry/src/index.crates.io-1949cf8c6b5b557f/assert_cmd-2.0.11/src/assert.rs:158:28
[INFO] [stdout]   24:     0x5c98f9e4c073 - lib[ef69c164f1f8dd99]::head::run
[INFO] [stdout]                                at /opt/rustwide/workdir/tests/head/mod.rs:105:10
[INFO] [stdout]   25:     0x5c98f9e4e17e - lib[ef69c164f1f8dd99]::head::three_c4
[INFO] [stdout]                                at /opt/rustwide/workdir/tests/head/mod.rs:294:5
[INFO] [stdout]   26:     0x5c98f9e47ea7 - lib[ef69c164f1f8dd99]::head::three_c4::{closure#0}
[INFO] [stdout]                                at /opt/rustwide/workdir/tests/head/mod.rs:293:18
[INFO] [stdout]   27:     0x5c98f9e52b16 - <lib[ef69c164f1f8dd99]::head::three_c4::{closure#0} as core[6883ba1bc0fe4ed1]::ops::function::FnOnce<()>>::call_once
[INFO] [stdout]                                at /rustc/6b3fa26749ab40e159b2dd5cf577acaaf5902772/library/core/src/ops/function.rs:250:5
[INFO] [stdout]   28:     0x5c98f9e52f7b - <fn() -> core[6883ba1bc0fe4ed1]::result::Result<(), alloc[55a36b64bcbf2c0d]::string::String> as core[6883ba1bc0fe4ed1]::ops::function::FnOnce<()>>::call_once
[INFO] [stdout]                                at /rustc/6b3fa26749ab40e159b2dd5cf577acaaf5902772/library/core/src/ops/function.rs:250:5
[INFO] [stdout]   29:     0x5c98f9e52f7b - test[980ffaebd391d06d]::__rust_begin_short_backtrace::<core[6883ba1bc0fe4ed1]::result::Result<(), alloc[55a36b64bcbf2c0d]::string::String>, fn() -> core[6883ba1bc0fe4ed1]::result::Result<(), alloc[55a36b64bcbf2c0d]::string::String>>
[INFO] [stdout]                                at /rustc/6b3fa26749ab40e159b2dd5cf577acaaf5902772/library/test/src/lib.rs:724:18
[INFO] [stdout]   30:     0x5c98f9e605c5 - test[980ffaebd391d06d]::run_test_in_process::{closure#0}
[INFO] [stdout]                                at /rustc/6b3fa26749ab40e159b2dd5cf577acaaf5902772/library/test/src/lib.rs:747:74
[INFO] [stdout]   31:     0x5c98f9e605c5 - <core[6883ba1bc0fe4ed1]::panic::unwind_safe::AssertUnwindSafe<test[980ffaebd391d06d]::run_test_in_process::{closure#0}> as core[6883ba1bc0fe4ed1]::ops::function::FnOnce<()>>::call_once
[INFO] [stdout]                                at /rustc/6b3fa26749ab40e159b2dd5cf577acaaf5902772/library/core/src/panic/unwind_safe.rs:275:9
[INFO] [stdout]   32:     0x5c98f9e605c5 - std[73adb7dc35730857]::panicking::catch_unwind::do_call::<core[6883ba1bc0fe4ed1]::panic::unwind_safe::AssertUnwindSafe<test[980ffaebd391d06d]::run_test_in_process::{closure#0}>, core[6883ba1bc0fe4ed1]::result::Result<(), alloc[55a36b64bcbf2c0d]::string::String>>
[INFO] [stdout]                                at /rustc/6b3fa26749ab40e159b2dd5cf577acaaf5902772/library/std/src/panicking.rs:576:43
[INFO] [stdout]   33:     0x5c98f9e605c5 - std[73adb7dc35730857]::panicking::catch_unwind::<core[6883ba1bc0fe4ed1]::result::Result<(), alloc[55a36b64bcbf2c0d]::string::String>, core[6883ba1bc0fe4ed1]::panic::unwind_safe::AssertUnwindSafe<test[980ffaebd391d06d]::run_test_in_process::{closure#0}>>
[INFO] [stdout]                                at /rustc/6b3fa26749ab40e159b2dd5cf577acaaf5902772/library/std/src/panicking.rs:544:19
[INFO] [stdout]   34:     0x5c98f9e605c5 - std[73adb7dc35730857]::panic::catch_unwind::<core[6883ba1bc0fe4ed1]::panic::unwind_safe::AssertUnwindSafe<test[980ffaebd391d06d]::run_test_in_process::{closure#0}>, core[6883ba1bc0fe4ed1]::result::Result<(), alloc[55a36b64bcbf2c0d]::string::String>>
[INFO] [stdout]                                at /rustc/6b3fa26749ab40e159b2dd5cf577acaaf5902772/library/std/src/panic.rs:359:14
[INFO] [stdout]   35:     0x5c98f9e605c5 - test[980ffaebd391d06d]::run_test_in_process
[INFO] [stdout]                                at /rustc/6b3fa26749ab40e159b2dd5cf577acaaf5902772/library/test/src/lib.rs:747:27
[INFO] [stdout]   36:     0x5c98f9e605c5 - test[980ffaebd391d06d]::run_test::{closure#0}
[INFO] [stdout]                                at /rustc/6b3fa26749ab40e159b2dd5cf577acaaf5902772/library/test/src/lib.rs:668:43
[INFO] [stdout]   37:     0x5c98f9e5b074 - test[980ffaebd391d06d]::run_test::{closure#1}
[INFO] [stdout]                                at /rustc/6b3fa26749ab40e159b2dd5cf577acaaf5902772/library/test/src/lib.rs:698:41
[INFO] [stdout]   38:     0x5c98f9e5b074 - std[73adb7dc35730857]::sys::backtrace::__rust_begin_short_backtrace::<test[980ffaebd391d06d]::run_test::{closure#1}, ()>
[INFO] [stdout]                                at /rustc/6b3fa26749ab40e159b2dd5cf577acaaf5902772/library/std/src/sys/backtrace.rs:166:18
[INFO] [stdout]   39:     0x5c98f9e63712 - std[73adb7dc35730857]::thread::lifecycle::spawn_unchecked::<test[980ffaebd391d06d]::run_test::{closure#1}, ()>::{closure#1}::{closure#0}
[INFO] [stdout]                                at /rustc/6b3fa26749ab40e159b2dd5cf577acaaf5902772/library/std/src/thread/lifecycle.rs:70:13
[INFO] [stdout]   40:     0x5c98f9e63712 - <core[6883ba1bc0fe4ed1]::panic::unwind_safe::AssertUnwindSafe<std[73adb7dc35730857]::thread::lifecycle::spawn_unchecked<test[980ffaebd391d06d]::run_test::{closure#1}, ()>::{closure#1}::{closure#0}> as core[6883ba1bc0fe4ed1]::ops::function::FnOnce<()>>::call_once
[INFO] [stdout]                                at /rustc/6b3fa26749ab40e159b2dd5cf577acaaf5902772/library/core/src/panic/unwind_safe.rs:275:9
[INFO] [stdout]   41:     0x5c98f9e63712 - std[73adb7dc35730857]::panicking::catch_unwind::do_call::<core[6883ba1bc0fe4ed1]::panic::unwind_safe::AssertUnwindSafe<std[73adb7dc35730857]::thread::lifecycle::spawn_unchecked<test[980ffaebd391d06d]::run_test::{closure#1}, ()>::{closure#1}::{closure#0}>, ()>
[INFO] [stdout]                                at /rustc/6b3fa26749ab40e159b2dd5cf577acaaf5902772/library/std/src/panicking.rs:576:43
[INFO] [stdout]   42:     0x5c98f9e63712 - std[73adb7dc35730857]::panicking::catch_unwind::<(), core[6883ba1bc0fe4ed1]::panic::unwind_safe::AssertUnwindSafe<std[73adb7dc35730857]::thread::lifecycle::spawn_unchecked<test[980ffaebd391d06d]::run_test::{closure#1}, ()>::{closure#1}::{closure#0}>>
[INFO] [stdout]                                at /rustc/6b3fa26749ab40e159b2dd5cf577acaaf5902772/library/std/src/panicking.rs:544:19
[INFO] [stdout]   43:     0x5c98f9e63712 - std[73adb7dc35730857]::panic::catch_unwind::<core[6883ba1bc0fe4ed1]::panic::unwind_safe::AssertUnwindSafe<std[73adb7dc35730857]::thread::lifecycle::spawn_unchecked<test[980ffaebd391d06d]::run_test::{closure#1}, ()>::{closure#1}::{closure#0}>, ()>
[INFO] [stdout]                                at /rustc/6b3fa26749ab40e159b2dd5cf577acaaf5902772/library/std/src/panic.rs:359:14
[INFO] [stdout]   44:     0x5c98f9e63712 - std[73adb7dc35730857]::thread::lifecycle::spawn_unchecked::<test[980ffaebd391d06d]::run_test::{closure#1}, ()>::{closure#1}
[INFO] [stdout]                                at /rustc/6b3fa26749ab40e159b2dd5cf577acaaf5902772/library/std/src/thread/lifecycle.rs:68:26
[INFO] [stdout]   45:     0x5c98f9e63712 - <std[73adb7dc35730857]::thread::lifecycle::spawn_unchecked<test[980ffaebd391d06d]::run_test::{closure#1}, ()>::{closure#1} as core[6883ba1bc0fe4ed1]::ops::function::FnOnce<()>>::call_once::{shim:vtable#0}
[INFO] [stdout]                                at /rustc/6b3fa26749ab40e159b2dd5cf577acaaf5902772/library/core/src/ops/function.rs:250:5
[INFO] [stdout]   46:     0x5c98fa0d44af - <alloc[55a36b64bcbf2c0d]::boxed::Box<dyn core[6883ba1bc0fe4ed1]::ops::function::FnOnce<(), Output = ()> + core[6883ba1bc0fe4ed1]::marker::Send> as core[6883ba1bc0fe4ed1]::ops::function::FnOnce<()>>::call_once
[INFO] [stdout]                                at /rustc/6b3fa26749ab40e159b2dd5cf577acaaf5902772/library/alloc/src/boxed.rs:2319:9
[INFO] [stdout]   47:     0x5c98fa0d44af - <std[73adb7dc35730857]::sys::thread::unix::Thread>::new::thread_start
[INFO] [stdout]                                at /rustc/6b3fa26749ab40e159b2dd5cf577acaaf5902772/library/std/src/sys/thread/unix.rs:123:17
[INFO] [stdout]   48:     0x718092357aa4 - <unknown>
[INFO] [stdout]   49:     0x7180923e4a64 - clone
[INFO] [stdout]   50:                0x0 - <unknown>
[INFO] [stdout] 
[INFO] [stdout] ---- head::three_c2_stdin stdout ----
[INFO] [stdout] 
[INFO] [stdout] thread 'head::three_c2_stdin' (3297) panicked at /rustc/6b3fa26749ab40e159b2dd5cf577acaaf5902772/library/core/src/ops/function.rs:250:5:
[INFO] [stdout] Unexpected stdout, failed var == [
[INFO] [stdout]     84,
[INFO] [stdout]     104,
[INFO] [stdout] ]
[INFO] [stdout] └── var: []
[INFO] [stdout] 
[INFO] [stdout] command=`"/opt/rustwide/target/debug/head" "-c" "2"`
[INFO] [stdout] stdin=````
[INFO] [stdout] Three\r
[INFO] [stdout] lines,\r
[INFO] [stdout] four words.
[INFO] [stdout] ```
[INFO] [stdout] `
[INFO] [stdout] code=101
[INFO] [stdout] stdout=""
[INFO] [stdout] stderr=<90 lines total>
[INFO] [stdout] ```
[INFO] [stdout] 
[INFO] [stdout] thread \'main\' (3299) panicked at /opt/rustwide/cargo-home/registry/src/index.crates.io-1949cf8c6b5b557f/clap-3.2.25/src/parser/matches/arg_matches.rs:547:22:
[INFO] [stdout] Must use `Arg::allow_invalid_utf8` with `_os` lookups at `files`
[INFO] [stdout] stack backtrace:
[INFO] [stdout]    0:     0x5c2fc0333601 - std[73adb7dc35730857]::backtrace_rs::backtrace::libunwind::trace
[INFO] [stdout]                                at /rustc/6b3fa26749ab40e159b2dd5cf577acaaf5902772/library/std/src/../../backtrace/src/backtrace/libunwind.rs:117:9
[INFO] [stdout]    1:     0x5c2fc0333601 - std[73adb7dc35730857]::backtrace_rs::backtrace::trace_unsynchronized::<std[73adb7dc35730857]::sys::backtrace::_print_fmt::{closure#1}>
[INFO] [stdout]                                at /rustc/6b3fa26749ab40e159b2dd5cf577acaaf5902772/library/std/src/../../backtrace/src/backtrace/mod.rs:66:14
[INFO] [stdout]    2:     0x5c2fc0333601 - std[73adb7dc35730857]::sys::backtrace::_print_fmt
[INFO] [stdout]                                at /rustc/6b3fa26749ab40e159b2dd5cf577acaaf5902772/library/std/src/sys/backtrace.rs:74:9
[INFO] [stdout]    3:     0x5c2fc0333601 - <<std[73adb7dc35730857]::sys::backtrace::BacktraceLock>::print::DisplayBacktrace as core[6883ba1bc0fe4ed1]::fmt::Display>::fmt
[INFO] [stdout]                                at /rustc/6b3fa26749ab40e159b2dd5cf577acaaf5902772/library/std/src/sys/backtrace.rs:44:26
[INFO] [stdout]    4:     0x5c2fc034728a - <core[6883ba1bc0fe4ed1]::fmt::rt::Argument>::fmt
[INFO] [stdout]                                at /rustc/6b3fa26749ab40e159b2dd5cf577acaaf5902772/library/core/src/fmt/rt.rs:152:76
[INFO] [stdout]    5:     0x5c2fc034728a - core[6883ba1bc0fe4ed1]::fmt::write
[INFO] [stdout]    6:     0x5c2fc0338cec - std[73adb7dc35730857]::io::default_write_fmt::<std[73adb7dc35730857]::sys::stdio::unix::Stderr>
[INFO] [stdout]                                at /rustc/6b3fa26749ab40e159b2dd5cf577acaaf5902772/library/std/src/io/mod.rs:626:11
[INFO] [stdout]    7:     0x5c2fc0338cec - <std[73adb7dc35730857]::sys::stdio::unix::Stderr as std[73adb7dc35730857]::io::Write>::write_fmt
[INFO] [stdout]                                at /rustc/6b3fa26749ab40e159b2dd5cf577acaaf5902772/library/std/src/io/mod.rs:1730:13
[INFO] [stdout]    8:     0x5c2fc031de16 - <std[73adb7dc35730857]::sys::backtrace::BacktraceLock>::print
[INFO] [stdout] ```
[INFO] [stdout] <30 lines omitted>
[INFO] [stdout] ```
[INFO] [stdout]                                at /rustc/6b3fa26749ab40e159b2dd5cf577acaaf5902772/library/alloc/src/vec/mod.rs:3941:9
[INFO] [stdout]   24:     0x5c2fc01cd08e - <core[6883ba1bc0fe4ed1]::iter::adapters::map::Map<core[6883ba1bc0fe4ed1]::iter::adapters::flatten::Flatten<core[6883ba1bc0fe4ed1]::slice::iter::Iter<alloc[55a36b64bcbf2c0d]::vec::Vec<clap[965b0170b9d3cf34]::parser::matches::any_value::AnyValue>>>, <clap[965b0170b9d3cf34]::parser::matches::arg_matches::ArgMatches>::values_of_lossy<&str>::{closure#0}> as core[6883ba1bc0fe4ed1]::iter::traits::iterator::Iterator>::collect::<alloc[55a36b64bcbf2c0d]::vec::Vec<alloc[55a36b64bcbf2c0d]::string::String>>
[INFO] [stdout]                                at /rustc/6b3fa26749ab40e159b2dd5cf577acaaf5902772/library/core/src/iter/traits/iterator.rs:2090:9
[INFO] [stdout]   25:     0x5c2fc01c7166 - <clap[965b0170b9d3cf34]::parser::matches::arg_matches::ArgMatches>::values_of_lossy::<&str>
[INFO] [stdout]                                at /opt/rustwide/cargo-home/registry/src/index.crates.io-1949cf8c6b5b557f/clap-3.2.25/src/parser/matches/arg_matches.rs:548:14
[INFO] [stdout]   26:     0x5c2fc01d118b - command_line_rust[2a7d65b3375657d0]::head::get_args
[INFO] [stdout]                                at /opt/rustwide/workdir/src/head/mod.rs:92:24
[INFO] [stdout]   27:     0x5c2fc01c6ad2 - head[5f62c2f9cff836a0]::main
[INFO] [stdout]                                at /opt/rustwide/workdir/src/head/main.rs:4:21
[INFO] [stdout]   28:     0x5c2fc01c6beb - <fn() as core[6883ba1bc0fe4ed1]::ops::function::FnOnce<()>>::call_once
[INFO] [stdout]                                at /rustc/6b3fa26749ab40e159b2dd5cf577acaaf5902772/library/core/src/ops/function.rs:250:5
[INFO] [stdout]   29:     0x5c2fc01c6a5e - std[73adb7dc35730857]::sys::backtrace::__rust_begin_short_backtrace::<fn(), ()>
[INFO] [stdout]                                at /rustc/6b3fa26749ab40e159b2dd5cf577acaaf5902772/library/std/src/sys/backtrace.rs:166:18
[INFO] [stdout]   30:     0x5c2fc01c6a81 - std[73adb7dc35730857]::rt::lang_start::<()>::{closure#0}
[INFO] [stdout]                                at /rustc/6b3fa26749ab40e159b2dd5cf577acaaf5902772/library/std/src/rt.rs:206:18
[INFO] [stdout]   31:     0x5c2fc032e547 - <&dyn core[6883ba1bc0fe4ed1]::ops::function::Fn<(), Output = i32> + core[6883ba1bc0fe4ed1]::panic::unwind_safe::RefUnwindSafe + core[6883ba1bc0fe4ed1]::marker::Sync as core[6883ba1bc0fe4ed1]::ops::function::FnOnce<()>>::call_once
[INFO] [stdout]                                at /rustc/6b3fa26749ab40e159b2dd5cf577acaaf5902772/library/core/src/ops/function.rs:287:21
[INFO] [stdout]   32:     0x5c2fc032e547 - std[73adb7dc35730857]::panicking::catch_unwind::do_call::<&dyn core[6883ba1bc0fe4ed1]::ops::function::Fn<(), Output = i32> + core[6883ba1bc0fe4ed1]::panic::unwind_safe::RefUnwindSafe + core[6883ba1bc0fe4ed1]::marker::Sync, i32>
[INFO] [stdout]                                at /rustc/6b3fa26749ab40e159b2dd5cf577acaaf5902772/library/std/src/panicking.rs:576:43
[INFO] [stdout]   33:     0x5c2fc032e547 - std[73adb7dc35730857]::panicking::catch_unwind::<i32, &dyn core[6883ba1bc0fe4ed1]::ops::function::Fn<(), Output = i32> + core[6883ba1bc0fe4ed1]::panic::unwind_safe::RefUnwindSafe + core[6883ba1bc0fe4ed1]::marker::Sync>
[INFO] [stdout]                                at /rustc/6b3fa26749ab40e159b2dd5cf577acaaf5902772/library/std/src/panicking.rs:544:19
[INFO] [stdout]   34:     0x5c2fc032e547 - std[73adb7dc35730857]::panic::catch_unwind::<&dyn core[6883ba1bc0fe4ed1]::ops::function::Fn<(), Output = i32> + core[6883ba1bc0fe4ed1]::panic::unwind_safe::RefUnwindSafe + core[6883ba1bc0fe4ed1]::marker::Sync, i32>
[INFO] [stdout]                                at /rustc/6b3fa26749ab40e159b2dd5cf577acaaf5902772/library/std/src/panic.rs:359:14
[INFO] [stdout]   35:     0x5c2fc032e547 - std[73adb7dc35730857]::rt::lang_start_internal::{closure#0}
[INFO] [stdout]                                at /rustc/6b3fa26749ab40e159b2dd5cf577acaaf5902772/library/std/src/rt.rs:175:24
[INFO] [stdout]   36:     0x5c2fc032e547 - std[73adb7dc35730857]::panicking::catch_unwind::do_call::<std[73adb7dc35730857]::rt::lang_start_internal::{closure#0}, isize>
[INFO] [stdout]                                at /rustc/6b3fa26749ab40e159b2dd5cf577acaaf5902772/library/std/src/panicking.rs:576:43
[INFO] [stdout]   37:     0x5c2fc032e547 - std[73adb7dc35730857]::panicking::catch_unwind::<isize, std[73adb7dc35730857]::rt::lang_start_internal::{closure#0}>
[INFO] [stdout]                                at /rustc/6b3fa26749ab40e159b2dd5cf577acaaf5902772/library/std/src/panicking.rs:544:19
[INFO] [stdout]   38:     0x5c2fc032e547 - std[73adb7dc35730857]::panic::catch_unwind::<std[73adb7dc35730857]::rt::lang_start_internal::{closure#0}, isize>
[INFO] [stdout]                                at /rustc/6b3fa26749ab40e159b2dd5cf577acaaf5902772/library/std/src/panic.rs:359:14
[INFO] [stdout]   39:     0x5c2fc032e547 - std[73adb7dc35730857]::rt::lang_start_internal
[INFO] [stdout]                                at /rustc/6b3fa26749ab40e159b2dd5cf577acaaf5902772/library/std/src/rt.rs:171:5
[INFO] [stdout]   40:     0x5c2fc01c6a47 - std[73adb7dc35730857]::rt::lang_start::<()>
[INFO] [stdout]                                at /rustc/6b3fa26749ab40e159b2dd5cf577acaaf5902772/library/std/src/rt.rs:205:5
[INFO] [stdout]   41:     0x5c2fc01c6c7e - main
[INFO] [stdout]   42:     0x724e7eb091ca - <unknown>
[INFO] [stdout]   43:     0x724e7eb0928b - __libc_start_main
[INFO] [stdout]   44:     0x5c2fc01c68a5 - _start
[INFO] [stdout]   45:                0x0 - <unknown>
[INFO] [stdout] ```
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] stack backtrace:
[INFO] [stdout]    0:     0x5c98fa0d5011 - std[73adb7dc35730857]::backtrace_rs::backtrace::libunwind::trace
[INFO] [stdout]                                at /rustc/6b3fa26749ab40e159b2dd5cf577acaaf5902772/library/std/src/../../backtrace/src/backtrace/libunwind.rs:117:9
[INFO] [stdout]    1:     0x5c98fa0d5011 - std[73adb7dc35730857]::backtrace_rs::backtrace::trace_unsynchronized::<std[73adb7dc35730857]::sys::backtrace::_print_fmt::{closure#1}>
[INFO] [stdout]                                at /rustc/6b3fa26749ab40e159b2dd5cf577acaaf5902772/library/std/src/../../backtrace/src/backtrace/mod.rs:66:14
[INFO] [stdout]    2:     0x5c98fa0d5011 - std[73adb7dc35730857]::sys::backtrace::_print_fmt
[INFO] [stdout]                                at /rustc/6b3fa26749ab40e159b2dd5cf577acaaf5902772/library/std/src/sys/backtrace.rs:74:9
[INFO] [stdout]    3:     0x5c98fa0d5011 - <<std[73adb7dc35730857]::sys::backtrace::BacktraceLock>::print::DisplayBacktrace as core[6883ba1bc0fe4ed1]::fmt::Display>::fmt
[INFO] [stdout]                                at /rustc/6b3fa26749ab40e159b2dd5cf577acaaf5902772/library/std/src/sys/backtrace.rs:44:26
[INFO] [stdout]    4:     0x5c98fa0eb71a - <core[6883ba1bc0fe4ed1]::fmt::rt::Argument>::fmt
[INFO] [stdout]                                at /rustc/6b3fa26749ab40e159b2dd5cf577acaaf5902772/library/core/src/fmt/rt.rs:152:76
[INFO] [stdout]    5:     0x5c98fa0eb71a - core[6883ba1bc0fe4ed1]::fmt::write
[INFO] [stdout]    6:     0x5c98fa0da99c - std[73adb7dc35730857]::io::default_write_fmt::<alloc[55a36b64bcbf2c0d]::vec::Vec<u8>>
[INFO] [stdout]                                at /rustc/6b3fa26749ab40e159b2dd5cf577acaaf5902772/library/std/src/io/mod.rs:626:11
[INFO] [stdout]    7:     0x5c98fa0da99c - <alloc[55a36b64bcbf2c0d]::vec::Vec<u8> as std[73adb7dc35730857]::io::Write>::write_fmt
[INFO] [stdout]                                at /rustc/6b3fa26749ab40e159b2dd5cf577acaaf5902772/library/std/src/io/mod.rs:1730:13
[INFO] [stdout]    8:     0x5c98fa0b2986 - <std[73adb7dc35730857]::sys::backtrace::BacktraceLock>::print
[INFO] [stdout]                                at /rustc/6b3fa26749ab40e159b2dd5cf577acaaf5902772/library/std/src/sys/backtrace.rs:47:9
[INFO] [stdout]    9:     0x5c98fa0b2986 - std[73adb7dc35730857]::panicking::default_hook::{closure#0}
[INFO] [stdout]                                at /rustc/6b3fa26749ab40e159b2dd5cf577acaaf5902772/library/std/src/panicking.rs:292:27
[INFO] [stdout]   10:     0x5c98fa0ccd09 - std[73adb7dc35730857]::panicking::default_hook
[INFO] [stdout]                                at /rustc/6b3fa26749ab40e159b2dd5cf577acaaf5902772/library/std/src/panicking.rs:316:9
[INFO] [stdout]   11:     0x5c98f9e5fc40 - <alloc[55a36b64bcbf2c0d]::boxed::Box<dyn for<'a, 'b> core[6883ba1bc0fe4ed1]::ops::function::Fn<(&'a std[73adb7dc35730857]::panic::PanicHookInfo<'b>,), Output = ()> + core[6883ba1bc0fe4ed1]::marker::Send + core[6883ba1bc0fe4ed1]::marker::Sync> as core[6883ba1bc0fe4ed1]::ops::function::Fn<(&std[73adb7dc35730857]::panic::PanicHookInfo,)>>::call
[INFO] [stdout]                                at /rustc/6b3fa26749ab40e159b2dd5cf577acaaf5902772/library/alloc/src/boxed.rs:2333:9
[INFO] [stdout]   12:     0x5c98f9e5fc40 - test[980ffaebd391d06d]::test_main_inner::<test[980ffaebd391d06d]::test_main_static::{closure#0}>::{closure#0}
[INFO] [stdout]                                at /rustc/6b3fa26749ab40e159b2dd5cf577acaaf5902772/library/test/src/lib.rs:155:21
[INFO] [stdout]   13:     0x5c98fa0ccec2 - <alloc[55a36b64bcbf2c0d]::boxed::Box<dyn for<'a, 'b> core[6883ba1bc0fe4ed1]::ops::function::Fn<(&'a std[73adb7dc35730857]::panic::PanicHookInfo<'b>,), Output = ()> + core[6883ba1bc0fe4ed1]::marker::Send + core[6883ba1bc0fe4ed1]::marker::Sync> as core[6883ba1bc0fe4ed1]::ops::function::Fn<(&std[73adb7dc35730857]::panic::PanicHookInfo,)>>::call
[INFO] [stdout]                                at /rustc/6b3fa26749ab40e159b2dd5cf577acaaf5902772/library/alloc/src/boxed.rs:2333:9
[INFO] [stdout]   14:     0x5c98fa0ccec2 - std[73adb7dc35730857]::panicking::panic_with_hook
[INFO] [stdout]                                at /rustc/6b3fa26749ab40e159b2dd5cf577acaaf5902772/library/std/src/panicking.rs:823:13
[INFO] [stdout]   15:     0x5c98fa0b2a32 - std[73adb7dc35730857]::panicking::panic_handler::{closure#0}
[INFO] [stdout]                                at /rustc/6b3fa26749ab40e159b2dd5cf577acaaf5902772/library/std/src/panicking.rs:688:13
[INFO] [stdout]   16:     0x5c98fa0aa1d9 - std[73adb7dc35730857]::sys::backtrace::__rust_end_short_backtrace::<std[73adb7dc35730857]::panicking::panic_handler::{closure#0}, !>
[INFO] [stdout]                                at /rustc/6b3fa26749ab40e159b2dd5cf577acaaf5902772/library/std/src/sys/backtrace.rs:182:18
[INFO] [stdout]   17:     0x5c98fa0b362d - __rustc[a7b7b02e776dd976]::rust_begin_unwind
[INFO] [stdout]                                at /rustc/6b3fa26749ab40e159b2dd5cf577acaaf5902772/library/std/src/panicking.rs:679:5
[INFO] [stdout]   18:     0x5c98fa0ebf9c - core[6883ba1bc0fe4ed1]::panicking::panic_fmt
[INFO] [stdout]                                at /rustc/6b3fa26749ab40e159b2dd5cf577acaaf5902772/library/core/src/panicking.rs:80:14
[INFO] [stdout]   19:     0x5c98fa03b8b8 - core[6883ba1bc0fe4ed1]::panicking::panic_display::<assert_cmd[35418449b5f7a4b8]::assert::AssertError>
[INFO] [stdout]                                at /rustc/6b3fa26749ab40e159b2dd5cf577acaaf5902772/library/core/src/panicking.rs:259:5
[INFO] [stdout]   20:     0x5c98fa0426c7 - <assert_cmd[35418449b5f7a4b8]::assert::AssertError>::panic::<assert_cmd[35418449b5f7a4b8]::assert::Assert>
[INFO] [stdout]                                at /opt/rustwide/cargo-home/registry/src/index.crates.io-1949cf8c6b5b557f/assert_cmd-2.0.11/src/assert.rs:1033:9
[INFO] [stdout]   21:     0x5c98fa038947 - <<assert_cmd[35418449b5f7a4b8]::assert::AssertError>::panic<assert_cmd[35418449b5f7a4b8]::assert::Assert> as core[6883ba1bc0fe4ed1]::ops::function::FnOnce<(assert_cmd[35418449b5f7a4b8]::assert::AssertError,)>>::call_once
[INFO] [stdout]                                at /rustc/6b3fa26749ab40e159b2dd5cf577acaaf5902772/library/core/src/ops/function.rs:250:5
[INFO] [stdout]   22:     0x5c98fa041dfb - <core[6883ba1bc0fe4ed1]::result::Result<assert_cmd[35418449b5f7a4b8]::assert::Assert, assert_cmd[35418449b5f7a4b8]::assert::AssertError>>::unwrap_or_else::<<assert_cmd[35418449b5f7a4b8]::assert::AssertError>::panic<assert_cmd[35418449b5f7a4b8]::assert::Assert>>
[INFO] [stdout]                                at /rustc/6b3fa26749ab40e159b2dd5cf577acaaf5902772/library/core/src/result.rs:1620:23
[INFO] [stdout]   23:     0x5c98f9e45014 - <assert_cmd[35418449b5f7a4b8]::assert::Assert>::stdout::<predicates[32cee55fc2d5e3e6]::ord::EqPredicate<&[u8]>, predicates[32cee55fc2d5e3e6]::ord::EqPredicate<&[u8]>>
[INFO] [stdout]                                at /opt/rustwide/cargo-home/registry/src/index.crates.io-1949cf8c6b5b557f/assert_cmd-2.0.11/src/assert.rs:364:31
[INFO] [stdout]   24:     0x5c98f9e4c803 - lib[ef69c164f1f8dd99]::head::run_stdin
[INFO] [stdout]                                at /opt/rustwide/workdir/tests/head/mod.rs:124:10
[INFO] [stdout]   25:     0x5c98f9e4da7b - lib[ef69c164f1f8dd99]::head::three_c2_stdin
[INFO] [stdout]                                at /opt/rustwide/workdir/tests/head/mod.rs:314:5
[INFO] [stdout]   26:     0x5c98f9e47877 - lib[ef69c164f1f8dd99]::head::three_c2_stdin::{closure#0}
[INFO] [stdout]                                at /opt/rustwide/workdir/tests/head/mod.rs:313:24
[INFO] [stdout]   27:     0x5c98f9e522d6 - <lib[ef69c164f1f8dd99]::head::three_c2_stdin::{closure#0} as core[6883ba1bc0fe4ed1]::ops::function::FnOnce<()>>::call_once
[INFO] [stdout]                                at /rustc/6b3fa26749ab40e159b2dd5cf577acaaf5902772/library/core/src/ops/function.rs:250:5
[INFO] [stdout]   28:     0x5c98f9e52f7b - <fn() -> core[6883ba1bc0fe4ed1]::result::Result<(), alloc[55a36b64bcbf2c0d]::string::String> as core[6883ba1bc0fe4ed1]::ops::function::FnOnce<()>>::call_once
[INFO] [stdout]                                at /rustc/6b3fa26749ab40e159b2dd5cf577acaaf5902772/library/core/src/ops/function.rs:250:5
[INFO] [stdout]   29:     0x5c98f9e52f7b - test[980ffaebd391d06d]::__rust_begin_short_backtrace::<core[6883ba1bc0fe4ed1]::result::Result<(), alloc[55a36b64bcbf2c0d]::string::String>, fn() -> core[6883ba1bc0fe4ed1]::result::Result<(), alloc[55a36b64bcbf2c0d]::string::String>>
[INFO] [stdout]                                at /rustc/6b3fa26749ab40e159b2dd5cf577acaaf5902772/library/test/src/lib.rs:724:18
[INFO] [stdout]   30:     0x5c98f9e605c5 - test[980ffaebd391d06d]::run_test_in_process::{closure#0}
[INFO] [stdout]                                at /rustc/6b3fa26749ab40e159b2dd5cf577acaaf5902772/library/test/src/lib.rs:747:74
[INFO] [stdout]   31:     0x5c98f9e605c5 - <core[6883ba1bc0fe4ed1]::panic::unwind_safe::AssertUnwindSafe<test[980ffaebd391d06d]::run_test_in_process::{closure#0}> as core[6883ba1bc0fe4ed1]::ops::function::FnOnce<()>>::call_once
[INFO] [stdout]                                at /rustc/6b3fa26749ab40e159b2dd5cf577acaaf5902772/library/core/src/panic/unwind_safe.rs:275:9
[INFO] [stdout]   32:     0x5c98f9e605c5 - std[73adb7dc35730857]::panicking::catch_unwind::do_call::<core[6883ba1bc0fe4ed1]::panic::unwind_safe::AssertUnwindSafe<test[980ffaebd391d06d]::run_test_in_process::{closure#0}>, core[6883ba1bc0fe4ed1]::result::Result<(), alloc[55a36b64bcbf2c0d]::string::String>>
[INFO] [stdout]                                at /rustc/6b3fa26749ab40e159b2dd5cf577acaaf5902772/library/std/src/panicking.rs:576:43
[INFO] [stdout]   33:     0x5c98f9e605c5 - std[73adb7dc35730857]::panicking::catch_unwind::<core[6883ba1bc0fe4ed1]::result::Result<(), alloc[55a36b64bcbf2c0d]::string::String>, core[6883ba1bc0fe4ed1]::panic::unwind_safe::AssertUnwindSafe<test[980ffaebd391d06d]::run_test_in_process::{closure#0}>>
[INFO] [stdout]                                at /rustc/6b3fa26749ab40e159b2dd5cf577acaaf5902772/library/std/src/panicking.rs:544:19
[INFO] [stdout]   34:     0x5c98f9e605c5 - std[73adb7dc35730857]::panic::catch_unwind::<core[6883ba1bc0fe4ed1]::panic::unwind_safe::AssertUnwindSafe<test[980ffaebd391d06d]::run_test_in_process::{closure#0}>, core[6883ba1bc0fe4ed1]::result::Result<(), alloc[55a36b64bcbf2c0d]::string::String>>
[INFO] [stdout]                                at /rustc/6b3fa26749ab40e159b2dd5cf577acaaf5902772/library/std/src/panic.rs:359:14
[INFO] [stdout]   35:     0x5c98f9e605c5 - test[980ffaebd391d06d]::run_test_in_process
[INFO] [stdout]                                at /rustc/6b3fa26749ab40e159b2dd5cf577acaaf5902772/library/test/src/lib.rs:747:27
[INFO] [stdout]   36:     0x5c98f9e605c5 - test[980ffaebd391d06d]::run_test::{closure#0}
[INFO] [stdout]                                at /rustc/6b3fa26749ab40e159b2dd5cf577acaaf5902772/library/test/src/lib.rs:668:43
[INFO] [stdout]   37:     0x5c98f9e5b074 - test[980ffaebd391d06d]::run_test::{closure#1}
[INFO] [stdout]                                at /rustc/6b3fa26749ab40e159b2dd5cf577acaaf5902772/library/test/src/lib.rs:698:41
[INFO] [stdout]   38:     0x5c98f9e5b074 - std[73adb7dc35730857]::sys::backtrace::__rust_begin_short_backtrace::<test[980ffaebd391d06d]::run_test::{closure#1}, ()>
[INFO] [stdout]                                at /rustc/6b3fa26749ab40e159b2dd5cf577acaaf5902772/library/std/src/sys/backtrace.rs:166:18
[INFO] [stdout]   39:     0x5c98f9e63712 - std[73adb7dc35730857]::thread::lifecycle::spawn_unchecked::<test[980ffaebd391d06d]::run_test::{closure#1}, ()>::{closure#1}::{closure#0}
[INFO] [stdout]                                at /rustc/6b3fa26749ab40e159b2dd5cf577acaaf5902772/library/std/src/thread/lifecycle.rs:70:13
[INFO] [stdout]   40:     0x5c98f9e63712 - <core[6883ba1bc0fe4ed1]::panic::unwind_safe::AssertUnwindSafe<std[73adb7dc35730857]::thread::lifecycle::spawn_unchecked<test[980ffaebd391d06d]::run_test::{closure#1}, ()>::{closure#1}::{closure#0}> as core[6883ba1bc0fe4ed1]::ops::function::FnOnce<()>>::call_once
[INFO] [stdout]                                at /rustc/6b3fa26749ab40e159b2dd5cf577acaaf5902772/library/core/src/panic/unwind_safe.rs:275:9
[INFO] [stdout]   41:     0x5c98f9e63712 - std[73adb7dc35730857]::panicking::catch_unwind::do_call::<core[6883ba1bc0fe4ed1]::panic::unwind_safe::AssertUnwindSafe<std[73adb7dc35730857]::thread::lifecycle::spawn_unchecked<test[980ffaebd391d06d]::run_test::{closure#1}, ()>::{closure#1}::{closure#0}>, ()>
[INFO] [stdout]                                at /rustc/6b3fa26749ab40e159b2dd5cf577acaaf5902772/library/std/src/panicking.rs:576:43
[INFO] [stdout]   42:     0x5c98f9e63712 - std[73adb7dc35730857]::panicking::catch_unwind::<(), core[6883ba1bc0fe4ed1]::panic::unwind_safe::AssertUnwindSafe<std[73adb7dc35730857]::thread::lifecycle::spawn_unchecked<test[980ffaebd391d06d]::run_test::{closure#1}, ()>::{closure#1}::{closure#0}>>
[INFO] [stdout]                                at /rustc/6b3fa26749ab40e159b2dd5cf577acaaf5902772/library/std/src/panicking.rs:544:19
[INFO] [stdout]   43:     0x5c98f9e63712 - std[73adb7dc35730857]::panic::catch_unwind::<core[6883ba1bc0fe4ed1]::panic::unwind_safe::AssertUnwindSafe<std[73adb7dc35730857]::thread::lifecycle::spawn_unchecked<test[980ffaebd391d06d]::run_test::{closure#1}, ()>::{closure#1}::{closure#0}>, ()>
[INFO] [stdout]                                at /rustc/6b3fa26749ab40e159b2dd5cf577acaaf5902772/library/std/src/panic.rs:359:14
[INFO] [stdout]   44:     0x5c98f9e63712 - std[73adb7dc35730857]::thread::lifecycle::spawn_unchecked::<test[980ffaebd391d06d]::run_test::{closure#1}, ()>::{closure#1}
[INFO] [stdout]                                at /rustc/6b3fa26749ab40e159b2dd5cf577acaaf5902772/library/std/src/thread/lifecycle.rs:68:26
[INFO] [stdout]   45:     0x5c98f9e63712 - <std[73adb7dc35730857]::thread::lifecycle::spawn_unchecked<test[980ffaebd391d06d]::run_test::{closure#1}, ()>::{closure#1} as core[6883ba1bc0fe4ed1]::ops::function::FnOnce<()>>::call_once::{shim:vtable#0}
[INFO] [stdout]                                at /rustc/6b3fa26749ab40e159b2dd5cf577acaaf5902772/library/core/src/ops/function.rs:250:5
[INFO] [stdout]   46:     0x5c98fa0d44af - <alloc[55a36b64bcbf2c0d]::boxed::Box<dyn core[6883ba1bc0fe4ed1]::ops::function::FnOnce<(), Output = ()> + core[6883ba1bc0fe4ed1]::marker::Send> as core[6883ba1bc0fe4ed1]::ops::function::FnOnce<()>>::call_once
[INFO] [stdout]                                at /rustc/6b3fa26749ab40e159b2dd5cf577acaaf5902772/library/alloc/src/boxed.rs:2319:9
[INFO] [stdout]   47:     0x5c98fa0d44af - <std[73adb7dc35730857]::sys::thread::unix::Thread>::new::thread_start
[INFO] [stdout]                                at /rustc/6b3fa26749ab40e159b2dd5cf577acaaf5902772/library/std/src/sys/thread/unix.rs:123:17
[INFO] [stdout]   48:     0x718092357aa4 - <unknown>
[INFO] [stdout]   49:     0x7180923e4a64 - clone
[INFO] [stdout]   50:                0x0 - <unknown>
[INFO] [stdout] 
[INFO] [stdout] ---- head::one_n4 stdout ----
[INFO] [stdout] 
[INFO] [stdout] thread 'head::one_n4' (3212) panicked at /rustc/6b3fa26749ab40e159b2dd5cf577acaaf5902772/library/core/src/ops/function.rs:250:5:
[INFO] [stdout] Unexpected failure.
[INFO] [stdout] code-101
[INFO] [stdout] stderr=```<90 lines total>
[INFO] [stdout] ```
[INFO] [stdout] 
[INFO] [stdout] thread \'main\' (3227) panicked at /opt/rustwide/cargo-home/registry/src/index.crates.io-1949cf8c6b5b557f/clap-3.2.25/src/parser/matches/arg_matches.rs:547:22:
[INFO] [stdout] Must use `Arg::allow_invalid_utf8` with `_os` lookups at `files`
[INFO] [stdout] stack backtrace:
[INFO] [stdout]    0:     0x634dfc080601 - std[73adb7dc35730857]::backtrace_rs::backtrace::libunwind::trace
[INFO] [stdout]                                at /rustc/6b3fa26749ab40e159b2dd5cf577acaaf5902772/library/std/src/../../backtrace/src/backtrace/libunwind.rs:117:9
[INFO] [stdout]    1:     0x634dfc080601 - std[73adb7dc35730857]::backtrace_rs::backtrace::trace_unsynchronized::<std[73adb7dc35730857]::sys::backtrace::_print_fmt::{closure#1}>
[INFO] [stdout]                                at /rustc/6b3fa26749ab40e159b2dd5cf577acaaf5902772/library/std/src/../../backtrace/src/backtrace/mod.rs:66:14
[INFO] [stdout]    2:     0x634dfc080601 - std[73adb7dc35730857]::sys::backtrace::_print_fmt
[INFO] [stdout]                                at /rustc/6b3fa26749ab40e159b2dd5cf577acaaf5902772/library/std/src/sys/backtrace.rs:74:9
[INFO] [stdout]    3:     0x634dfc080601 - <<std[73adb7dc35730857]::sys::backtrace::BacktraceLock>::print::DisplayBacktrace as core[6883ba1bc0fe4ed1]::fmt::Display>::fmt
[INFO] [stdout]                                at /rustc/6b3fa26749ab40e159b2dd5cf577acaaf5902772/library/std/src/sys/backtrace.rs:44:26
[INFO] [stdout]    4:     0x634dfc09428a - <core[6883ba1bc0fe4ed1]::fmt::rt::Argument>::fmt
[INFO] [stdout]                                at /rustc/6b3fa26749ab40e159b2dd5cf577acaaf5902772/library/core/src/fmt/rt.rs:152:76
[INFO] [stdout]    5:     0x634dfc09428a - core[6883ba1bc0fe4ed1]::fmt::write
[INFO] [stdout]    6:     0x634dfc085cec - std[73adb7dc35730857]::io::default_write_fmt::<std[73adb7dc35730857]::sys::stdio::unix::Stderr>
[INFO] [stdout]                                at /rustc/6b3fa26749ab40e159b2dd5cf577acaaf5902772/library/std/src/io/mod.rs:626:11
[INFO] [stdout]    7:     0x634dfc085cec - <std[73adb7dc35730857]::sys::stdio::unix::Stderr as std[73adb7dc35730857]::io::Write>::write_fmt
[INFO] [stdout]                                at /rustc/6b3fa26749ab40e159b2dd5cf577acaaf5902772/library/std/src/io/mod.rs:1730:13
[INFO] [stdout]    8:     0x634dfc06ae16 - <std[73adb7dc35730857]::sys::backtrace::BacktraceLock>::print
[INFO] [stdout] ```
[INFO] [stdout] <30 lines omitted>
[INFO] [stdout] ```
[INFO] [stdout]                                at /rustc/6b3fa26749ab40e159b2dd5cf577acaaf5902772/library/alloc/src/vec/mod.rs:3941:9
[INFO] [stdout]   24:     0x634dfbf1a08e - <core[6883ba1bc0fe4ed1]::iter::adapters::map::Map<core[6883ba1bc0fe4ed1]::iter::adapters::flatten::Flatten<core[6883ba1bc0fe4ed1]::slice::iter::Iter<alloc[55a36b64bcbf2c0d]::vec::Vec<clap[965b0170b9d3cf34]::parser::matches::any_value::AnyValue>>>, <clap[965b0170b9d3cf34]::parser::matches::arg_matches::ArgMatches>::values_of_lossy<&str>::{closure#0}> as core[6883ba1bc0fe4ed1]::iter::traits::iterator::Iterator>::collect::<alloc[55a36b64bcbf2c0d]::vec::Vec<alloc[55a36b64bcbf2c0d]::string::String>>
[INFO] [stdout]                                at /rustc/6b3fa26749ab40e159b2dd5cf577acaaf5902772/library/core/src/iter/traits/iterator.rs:2090:9
[INFO] [stdout]   25:     0x634dfbf14166 - <clap[965b0170b9d3cf34]::parser::matches::arg_matches::ArgMatches>::values_of_lossy::<&str>
[INFO] [stdout]                                at /opt/rustwide/cargo-home/registry/src/index.crates.io-1949cf8c6b5b557f/clap-3.2.25/src/parser/matches/arg_matches.rs:548:14
[INFO] [stdout]   26:     0x634dfbf1e18b - command_line_rust[2a7d65b3375657d0]::head::get_args
[INFO] [stdout]                                at /opt/rustwide/workdir/src/head/mod.rs:92:24
[INFO] [stdout]   27:     0x634dfbf13ad2 - head[5f62c2f9cff836a0]::main
[INFO] [stdout]                                at /opt/rustwide/workdir/src/head/main.rs:4:21
[INFO] [stdout]   28:     0x634dfbf13beb - <fn() as core[6883ba1bc0fe4ed1]::ops::function::FnOnce<()>>::call_once
[INFO] [stdout]                                at /rustc/6b3fa26749ab40e159b2dd5cf577acaaf5902772/library/core/src/ops/function.rs:250:5
[INFO] [stdout]   29:     0x634dfbf13a5e - std[73adb7dc35730857]::sys::backtrace::__rust_begin_short_backtrace::<fn(), ()>
[INFO] [stdout]                                at /rustc/6b3fa26749ab40e159b2dd5cf577acaaf5902772/library/std/src/sys/backtrace.rs:166:18
[INFO] [stdout]   30:     0x634dfbf13a81 - std[73adb7dc35730857]::rt::lang_start::<()>::{closure#0}
[INFO] [stdout]                                at /rustc/6b3fa26749ab40e159b2dd5cf577acaaf5902772/library/std/src/rt.rs:206:18
[INFO] [stdout]   31:     0x634dfc07b547 - <&dyn core[6883ba1bc0fe4ed1]::ops::function::Fn<(), Output = i32> + core[6883ba1bc0fe4ed1]::panic::unwind_safe::RefUnwindSafe + core[6883ba1bc0fe4ed1]::marker::Sync as core[6883ba1bc0fe4ed1]::ops::function::FnOnce<()>>::call_once
[INFO] [stdout]                                at /rustc/6b3fa26749ab40e159b2dd5cf577acaaf5902772/library/core/src/ops/function.rs:287:21
[INFO] [stdout]   32:     0x634dfc07b547 - std[73adb7dc35730857]::panicking::catch_unwind::do_call::<&dyn core[6883ba1bc0fe4ed1]::ops::function::Fn<(), Output = i32> + core[6883ba1bc0fe4ed1]::panic::unwind_safe::RefUnwindSafe + core[6883ba1bc0fe4ed1]::marker::Sync, i32>
[INFO] [stdout]                                at /rustc/6b3fa26749ab40e159b2dd5cf577acaaf5902772/library/std/src/panicking.rs:576:43
[INFO] [stdout]   33:     0x634dfc07b547 - std[73adb7dc35730857]::panicking::catch_unwind::<i32, &dyn core[6883ba1bc0fe4ed1]::ops::function::Fn<(), Output = i32> + core[6883ba1bc0fe4ed1]::panic::unwind_safe::RefUnwindSafe + core[6883ba1bc0fe4ed1]::marker::Sync>
[INFO] [stdout]                                at /rustc/6b3fa26749ab40e159b2dd5cf577acaaf5902772/library/std/src/panicking.rs:544:19
[INFO] [stdout]   34:     0x634dfc07b547 - std[73adb7dc35730857]::panic::catch_unwind::<&dyn core[6883ba1bc0fe4ed1]::ops::function::Fn<(), Output = i32> + core[6883ba1bc0fe4ed1]::panic::unwind_safe::RefUnwindSafe + core[6883ba1bc0fe4ed1]::marker::Sync, i32>
[INFO] [stdout]                                at /rustc/6b3fa26749ab40e159b2dd5cf577acaaf5902772/library/std/src/panic.rs:359:14
[INFO] [stdout]   35:     0x634dfc07b547 - std[73adb7dc35730857]::rt::lang_start_internal::{closure#0}
[INFO] [stdout]                                at /rustc/6b3fa26749ab40e159b2dd5cf577acaaf5902772/library/std/src/rt.rs:175:24
[INFO] [stdout]   36:     0x634dfc07b547 - std[73adb7dc35730857]::panicking::catch_unwind::do_call::<std[73adb7dc35730857]::rt::lang_start_internal::{closure#0}, isize>
[INFO] [stdout]                                at /rustc/6b3fa26749ab40e159b2dd5cf577acaaf5902772/library/std/src/panicking.rs:576:43
[INFO] [stdout]   37:     0x634dfc07b547 - std[73adb7dc35730857]::panicking::catch_unwind::<isize, std[73adb7dc35730857]::rt::lang_start_internal::{closure#0}>
[INFO] [stdout]                                at /rustc/6b3fa26749ab40e159b2dd5cf577acaaf5902772/library/std/src/panicking.rs:544:19
[INFO] [stdout]   38:     0x634dfc07b547 - std[73adb7dc35730857]::panic::catch_unwind::<std[73adb7dc35730857]::rt::lang_start_internal::{closure#0}, isize>
[INFO] [stdout]                                at /rustc/6b3fa26749ab40e159b2dd5cf577acaaf5902772/library/std/src/panic.rs:359:14
[INFO] [stdout]   39:     0x634dfc07b547 - std[73adb7dc35730857]::rt::lang_start_internal
[INFO] [stdout]                                at /rustc/6b3fa26749ab40e159b2dd5cf577acaaf5902772/library/std/src/rt.rs:171:5
[INFO] [stdout]   40:     0x634dfbf13a47 - std[73adb7dc35730857]::rt::lang_start::<()>
[INFO] [stdout]                                at /rustc/6b3fa26749ab40e159b2dd5cf577acaaf5902772/library/std/src/rt.rs:205:5
[INFO] [stdout]   41:     0x634dfbf13c7e - main
[INFO] [stdout]   42:     0x7c2709d3a1ca - <unknown>
[INFO] [stdout]   43:     0x7c2709d3a28b - __libc_start_main
[INFO] [stdout]   44:     0x634dfbf138a5 - _start
[INFO] [stdout]   45:                0x0 - <unknown>
[INFO] [stdout] ```
[INFO] [stdout] ```
[INFO] [stdout] command=`"/opt/rustwide/target/debug/head" "tests/head/inputs/one.txt" "-n" "4"`
[INFO] [stdout] code=101
[INFO] [stdout] stdout=""
[INFO] [stdout] stderr=<90 lines total>
[INFO] [stdout] ```
[INFO] [stdout] 
[INFO] [stdout] thread \'main\' (3227) panicked at /opt/rustwide/cargo-home/registry/src/index.crates.io-1949cf8c6b5b557f/clap-3.2.25/src/parser/matches/arg_matches.rs:547:22:
[INFO] [stdout] Must use `Arg::allow_invalid_utf8` with `_os` lookups at `files`
[INFO] [stdout] stack backtrace:
[INFO] [stdout]    0:     0x634dfc080601 - std[73adb7dc35730857]::backtrace_rs::backtrace::libunwind::trace
[INFO] [stdout]                                at /rustc/6b3fa26749ab40e159b2dd5cf577acaaf5902772/library/std/src/../../backtrace/src/backtrace/libunwind.rs:117:9
[INFO] [stdout]    1:     0x634dfc080601 - std[73adb7dc35730857]::backtrace_rs::backtrace::trace_unsynchronized::<std[73adb7dc35730857]::sys::backtrace::_print_fmt::{closure#1}>
[INFO] [stdout]                                at /rustc/6b3fa26749ab40e159b2dd5cf577acaaf5902772/library/std/src/../../backtrace/src/backtrace/mod.rs:66:14
[INFO] [stdout]    2:     0x634dfc080601 - std[73adb7dc35730857]::sys::backtrace::_print_fmt
[INFO] [stdout]                                at /rustc/6b3fa26749ab40e159b2dd5cf577acaaf5902772/library/std/src/sys/backtrace.rs:74:9
[INFO] [stdout]    3:     0x634dfc080601 - <<std[73adb7dc35730857]::sys::backtrace::BacktraceLock>::print::DisplayBacktrace as core[6883ba1bc0fe4ed1]::fmt::Display>::fmt
[INFO] [stdout]                                at /rustc/6b3fa26749ab40e159b2dd5cf577acaaf5902772/library/std/src/sys/backtrace.rs:44:26
[INFO] [stdout]    4:     0x634dfc09428a - <core[6883ba1bc0fe4ed1]::fmt::rt::Argument>::fmt
[INFO] [stdout]                                at /rustc/6b3fa26749ab40e159b2dd5cf577acaaf5902772/library/core/src/fmt/rt.rs:152:76
[INFO] [stdout]    5:     0x634dfc09428a - core[6883ba1bc0fe4ed1]::fmt::write
[INFO] [stdout]    6:     0x634dfc085cec - std[73adb7dc35730857]::io::default_write_fmt::<std[73adb7dc35730857]::sys::stdio::unix::Stderr>
[INFO] [stdout]                                at /rustc/6b3fa26749ab40e159b2dd5cf577acaaf5902772/library/std/src/io/mod.rs:626:11
[INFO] [stdout]    7:     0x634dfc085cec - <std[73adb7dc35730857]::sys::stdio::unix::Stderr as std[73adb7dc35730857]::io::Write>::write_fmt
[INFO] [stdout]                                at /rustc/6b3fa26749ab40e159b2dd5cf577acaaf5902772/library/std/src/io/mod.rs:1730:13
[INFO] [stdout]    8:     0x634dfc06ae16 - <std[73adb7dc35730857]::sys::backtrace::BacktraceLock>::print
[INFO] [stdout] ```
[INFO] [stdout] <30 lines omitted>
[INFO] [stdout] ```
[INFO] [stdout]                                at /rustc/6b3fa26749ab40e159b2dd5cf577acaaf5902772/library/alloc/src/vec/mod.rs:3941:9
[INFO] [stdout]   24:     0x634dfbf1a08e - <core[6883ba1bc0fe4ed1]::iter::adapters::map::Map<core[6883ba1bc0fe4ed1]::iter::adapters::flatten::Flatten<core[6883ba1bc0fe4ed1]::slice::iter::Iter<alloc[55a36b64bcbf2c0d]::vec::Vec<clap[965b0170b9d3cf34]::parser::matches::any_value::AnyValue>>>, <clap[965b0170b9d3cf34]::parser::matches::arg_matches::ArgMatches>::values_of_lossy<&str>::{closure#0}> as core[6883ba1bc0fe4ed1]::iter::traits::iterator::Iterator>::collect::<alloc[55a36b64bcbf2c0d]::vec::Vec<alloc[55a36b64bcbf2c0d]::string::String>>
[INFO] [stdout]                                at /rustc/6b3fa26749ab40e159b2dd5cf577acaaf5902772/library/core/src/iter/traits/iterator.rs:2090:9
[INFO] [stdout]   25:     0x634dfbf14166 - <clap[965b0170b9d3cf34]::parser::matches::arg_matches::ArgMatches>::values_of_lossy::<&str>
[INFO] [stdout]                                at /opt/rustwide/cargo-home/registry/src/index.crates.io-1949cf8c6b5b557f/clap-3.2.25/src/parser/matches/arg_matches.rs:548:14
[INFO] [stdout]   26:     0x634dfbf1e18b - command_line_rust[2a7d65b3375657d0]::head::get_args
[INFO] [stdout]                                at /opt/rustwide/workdir/src/head/mod.rs:92:24
[INFO] [stdout]   27:     0x634dfbf13ad2 - head[5f62c2f9cff836a0]::main
[INFO] [stdout]                                at /opt/rustwide/workdir/src/head/main.rs:4:21
[INFO] [stdout]   28:     0x634dfbf13beb - <fn() as core[6883ba1bc0fe4ed1]::ops::function::FnOnce<()>>::call_once
[INFO] [stdout]                                at /rustc/6b3fa26749ab40e159b2dd5cf577acaaf5902772/library/core/src/ops/function.rs:250:5
[INFO] [stdout]   29:     0x634dfbf13a5e - std[73adb7dc35730857]::sys::backtrace::__rust_begin_short_backtrace::<fn(), ()>
[INFO] [stdout]                                at /rustc/6b3fa26749ab40e159b2dd5cf577acaaf5902772/library/std/src/sys/backtrace.rs:166:18
[INFO] [stdout]   30:     0x634dfbf13a81 - std[73adb7dc35730857]::rt::lang_start::<()>::{closure#0}
[INFO] [stdout]                                at /rustc/6b3fa26749ab40e159b2dd5cf577acaaf5902772/library/std/src/rt.rs:206:18
[INFO] [stdout]   31:     0x634dfc07b547 - <&dyn core[6883ba1bc0fe4ed1]::ops::function::Fn<(), Output = i32> + core[6883ba1bc0fe4ed1]::panic::unwind_safe::RefUnwindSafe + core[6883ba1bc0fe4ed1]::marker::Sync as core[6883ba1bc0fe4ed1]::ops::function::FnOnce<()>>::call_once
[INFO] [stdout]                                at /rustc/6b3fa26749ab40e159b2dd5cf577acaaf5902772/library/core/src/ops/function.rs:287:21
[INFO] [stdout]   32:     0x634dfc07b547 - std[73adb7dc35730857]::panicking::catch_unwind::do_call::<&dyn core[6883ba1bc0fe4ed1]::ops::function::Fn<(), Output = i32> + core[6883ba1bc0fe4ed1]::panic::unwind_safe::RefUnwindSafe + core[6883ba1bc0fe4ed1]::marker::Sync, i32>
[INFO] [stdout]                                at /rustc/6b3fa26749ab40e159b2dd5cf577acaaf5902772/library/std/src/panicking.rs:576:43
[INFO] [stdout]   33:     0x634dfc07b547 - std[73adb7dc35730857]::panicking::catch_unwind::<i32, &dyn core[6883ba1bc0fe4ed1]::ops::function::Fn<(), Output = i32> + core[6883ba1bc0fe4ed1]::panic::unwind_safe::RefUnwindSafe + core[6883ba1bc0fe4ed1]::marker::Sync>
[INFO] [stdout]                                at /rustc/6b3fa26749ab40e159b2dd5cf577acaaf5902772/library/std/src/panicking.rs:544:19
[INFO] [stdout]   34:     0x634dfc07b547 - std[73adb7dc35730857]::panic::catch_unwind::<&dyn core[6883ba1bc0fe4ed1]::ops::function::Fn<(), Output = i32> + core[6883ba1bc0fe4ed1]::panic::unwind_safe::RefUnwindSafe + core[6883ba1bc0fe4ed1]::marker::Sync, i32>
[INFO] [stdout]                                at /rustc/6b3fa26749ab40e159b2dd5cf577acaaf5902772/library/std/src/panic.rs:359:14
[INFO] [stdout]   35:     0x634dfc07b547 - std[73adb7dc35730857]::rt::lang_start_internal::{closure#0}
[INFO] [stdout]                                at /rustc/6b3fa26749ab40e159b2dd5cf577acaaf5902772/library/std/src/rt.rs:175:24
[INFO] [stdout]   36:     0x634dfc07b547 - std[73adb7dc35730857]::panicking::catch_unwind::do_call::<std[73adb7dc35730857]::rt::lang_start_internal::{closure#0}, isize>
[INFO] [stdout]                                at /rustc/6b3fa26749ab40e159b2dd5cf577acaaf5902772/library/std/src/panicking.rs:576:43
[INFO] [stdout]   37:     0x634dfc07b547 - std[73adb7dc35730857]::panicking::catch_unwind::<isize, std[73adb7dc35730857]::rt::lang_start_internal::{closure#0}>
[INFO] [stdout]                                at /rustc/6b3fa26749ab40e159b2dd5cf577acaaf5902772/library/std/src/panicking.rs:544:19
[INFO] [stdout]   38:     0x634dfc07b547 - std[73adb7dc35730857]::panic::catch_unwind::<std[73adb7dc35730857]::rt::lang_start_internal::{closure#0}, isize>
[INFO] [stdout]                                at /rustc/6b3fa26749ab40e159b2dd5cf577acaaf5902772/library/std/src/panic.rs:359:14
[INFO] [stdout]   39:     0x634dfc07b547 - std[73adb7dc35730857]::rt::lang_start_internal
[INFO] [stdout]                                at /rustc/6b3fa26749ab40e159b2dd5cf577acaaf5902772/library/std/src/rt.rs:171:5
[INFO] [stdout]   40:     0x634dfbf13a47 - std[73adb7dc35730857]::rt::lang_start::<()>
[INFO] [stdout]                                at /rustc/6b3fa26749ab40e159b2dd5cf577acaaf5902772/library/std/src/rt.rs:205:5
[INFO] [stdout]   41:     0x634dfbf13c7e - main
[INFO] [stdout]   42:     0x7c2709d3a1ca - <unknown>
[INFO] [stdout]   43:     0x7c2709d3a28b - __libc_start_main
[INFO] [stdout]   44:     0x634dfbf138a5 - _start
[INFO] [stdout]   45:                0x0 - <unknown>
[INFO] [stdout] ```
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] stack backtrace:
[INFO] [stdout]    0:     0x5c98fa0d5011 - std[73adb7dc35730857]::backtrace_rs::backtrace::libunwind::trace
[INFO] [stdout]                                at /rustc/6b3fa26749ab40e159b2dd5cf577acaaf5902772/library/std/src/../../backtrace/src/backtrace/libunwind.rs:117:9
[INFO] [stdout]    1:     0x5c98fa0d5011 - std[73adb7dc35730857]::backtrace_rs::backtrace::trace_unsynchronized::<std[73adb7dc35730857]::sys::backtrace::_print_fmt::{closure#1}>
[INFO] [stdout]                                at /rustc/6b3fa26749ab40e159b2dd5cf577acaaf5902772/library/std/src/../../backtrace/src/backtrace/mod.rs:66:14
[INFO] [stdout]    2:     0x5c98fa0d5011 - std[73adb7dc35730857]::sys::backtrace::_print_fmt
[INFO] [stdout]                                at /rustc/6b3fa26749ab40e159b2dd5cf577acaaf5902772/library/std/src/sys/backtrace.rs:74:9
[INFO] [stdout]    3:     0x5c98fa0d5011 - <<std[73adb7dc35730857]::sys::backtrace::BacktraceLock>::print::DisplayBacktrace as core[6883ba1bc0fe4ed1]::fmt::Display>::fmt
[INFO] [stdout]                                at /rustc/6b3fa26749ab40e159b2dd5cf577acaaf5902772/library/std/src/sys/backtrace.rs:44:26
[INFO] [stdout]    4:     0x5c98fa0eb71a - <core[6883ba1bc0fe4ed1]::fmt::rt::Argument>::fmt
[INFO] [stdout]                                at /rustc/6b3fa26749ab40e159b2dd5cf577acaaf5902772/library/core/src/fmt/rt.rs:152:76
[INFO] [stdout]    5:     0x5c98fa0eb71a - core[6883ba1bc0fe4ed1]::fmt::write
[INFO] [stdout]    6:     0x5c98fa0da99c - std[73adb7dc35730857]::io::default_write_fmt::<alloc[55a36b64bcbf2c0d]::vec::Vec<u8>>
[INFO] [stdout]                                at /rustc/6b3fa26749ab40e159b2dd5cf577acaaf5902772/library/std/src/io/mod.rs:626:11
[INFO] [stdout]    7:     0x5c98fa0da99c - <alloc[55a36b64bcbf2c0d]::vec::Vec<u8> as std[73adb7dc35730857]::io::Write>::write_fmt
[INFO] [stdout]                                at /rustc/6b3fa26749ab40e159b2dd5cf577acaaf5902772/library/std/src/io/mod.rs:1730:13
[INFO] [stdout]    8:     0x5c98fa0b2986 - <std[73adb7dc35730857]::sys::backtrace::BacktraceLock>::print
[INFO] [stdout]                                at /rustc/6b3fa26749ab40e159b2dd5cf577acaaf5902772/library/std/src/sys/backtrace.rs:47:9
[INFO] [stdout]    9:     0x5c98fa0b2986 - std[73adb7dc35730857]::panicking::default_hook::{closure#0}
[INFO] [stdout]                                at /rustc/6b3fa26749ab40e159b2dd5cf577acaaf5902772/library/std/src/panicking.rs:292:27
[INFO] [stdout]   10:     0x5c98fa0ccd09 - std[73adb7dc35730857]::panicking::default_hook
[INFO] [stdout]                                at /rustc/6b3fa26749ab40e159b2dd5cf577acaaf5902772/library/std/src/panicking.rs:316:9
[INFO] [stdout]   11:     0x5c98f9e5fc40 - <alloc[55a36b64bcbf2c0d]::boxed::Box<dyn for<'a, 'b> core[6883ba1bc0fe4ed1]::ops::function::Fn<(&'a std[73adb7dc35730857]::panic::PanicHookInfo<'b>,), Output = ()> + core[6883ba1bc0fe4ed1]::marker::Send + core[6883ba1bc0fe4ed1]::marker::Sync> as core[6883ba1bc0fe4ed1]::ops::function::Fn<(&std[73adb7dc35730857]::panic::PanicHookInfo,)>>::call
[INFO] [stdout]                                at /rustc/6b3fa26749ab40e159b2dd5cf577acaaf5902772/library/alloc/src/boxed.rs:2333:9
[INFO] [stdout]   12:     0x5c98f9e5fc40 - test[980ffaebd391d06d]::test_main_inner::<test[980ffaebd391d06d]::test_main_static::{closure#0}>::{closure#0}
[INFO] [stdout]                                at /rustc/6b3fa26749ab40e159b2dd5cf577acaaf5902772/library/test/src/lib.rs:155:21
[INFO] [stdout]   13:     0x5c98fa0ccec2 - <alloc[55a36b64bcbf2c0d]::boxed::Box<dyn for<'a, 'b> core[6883ba1bc0fe4ed1]::ops::function::Fn<(&'a std[73adb7dc35730857]::panic::PanicHookInfo<'b>,), Output = ()> + core[6883ba1bc0fe4ed1]::marker::Send + core[6883ba1bc0fe4ed1]::marker::Sync> as core[6883ba1bc0fe4ed1]::ops::function::Fn<(&std[73adb7dc35730857]::panic::PanicHookInfo,)>>::call
[INFO] [stdout]                                at /rustc/6b3fa26749ab40e159b2dd5cf577acaaf5902772/library/alloc/src/boxed.rs:2333:9
[INFO] [stdout]   14:     0x5c98fa0ccec2 - std[73adb7dc35730857]::panicking::panic_with_hook
[INFO] [stdout]                                at /rustc/6b3fa26749ab40e159b2dd5cf577acaaf5902772/library/std/src/panicking.rs:823:13
[INFO] [stdout]   15:     0x5c98fa0b2a32 - std[73adb7dc35730857]::panicking::panic_handler::{closure#0}
[INFO] [stdout]                                at /rustc/6b3fa26749ab40e159b2dd5cf577acaaf5902772/library/std/src/panicking.rs:688:13
[INFO] [stdout]   16:     0x5c98fa0aa1d9 - std[73adb7dc35730857]::sys::backtrace::__rust_end_short_backtrace::<std[73adb7dc35730857]::panicking::panic_handler::{closure#0}, !>
[INFO] [stdout]                                at /rustc/6b3fa26749ab40e159b2dd5cf577acaaf5902772/library/std/src/sys/backtrace.rs:182:18
[INFO] [stdout]   17:     0x5c98fa0b362d - __rustc[a7b7b02e776dd976]::rust_begin_unwind
[INFO] [stdout]                                at /rustc/6b3fa26749ab40e159b2dd5cf577acaaf5902772/library/std/src/panicking.rs:679:5
[INFO] [stdout]   18:     0x5c98fa0ebf9c - core[6883ba1bc0fe4ed1]::panicking::panic_fmt
[INFO] [stdout]                                at /rustc/6b3fa26749ab40e159b2dd5cf577acaaf5902772/library/core/src/panicking.rs:80:14
[INFO] [stdout]   19:     0x5c98fa03b8b8 - core[6883ba1bc0fe4ed1]::panicking::panic_display::<assert_cmd[35418449b5f7a4b8]::assert::AssertError>
[INFO] [stdout]                                at /rustc/6b3fa26749ab40e159b2dd5cf577acaaf5902772/library/core/src/panicking.rs:259:5
[INFO] [stdout]   20:     0x5c98fa0426c7 - <assert_cmd[35418449b5f7a4b8]::assert::AssertError>::panic::<assert_cmd[35418449b5f7a4b8]::assert::Assert>
[INFO] [stdout]                                at /opt/rustwide/cargo-home/registry/src/index.crates.io-1949cf8c6b5b557f/assert_cmd-2.0.11/src/assert.rs:1033:9
[INFO] [stdout]   21:     0x5c98fa038947 - <<assert_cmd[35418449b5f7a4b8]::assert::AssertError>::panic<assert_cmd[35418449b5f7a4b8]::assert::Assert> as core[6883ba1bc0fe4ed1]::ops::function::FnOnce<(assert_cmd[35418449b5f7a4b8]::assert::AssertError,)>>::call_once
[INFO] [stdout]                                at /rustc/6b3fa26749ab40e159b2dd5cf577acaaf5902772/library/core/src/ops/function.rs:250:5
[INFO] [stdout]   22:     0x5c98fa041dfb - <core[6883ba1bc0fe4ed1]::result::Result<assert_cmd[35418449b5f7a4b8]::assert::Assert, assert_cmd[35418449b5f7a4b8]::assert::AssertError>>::unwrap_or_else::<<assert_cmd[35418449b5f7a4b8]::assert::AssertError>::panic<assert_cmd[35418449b5f7a4b8]::assert::Assert>>
[INFO] [stdout]                                at /rustc/6b3fa26749ab40e159b2dd5cf577acaaf5902772/library/core/src/result.rs:1620:23
[INFO] [stdout]   23:     0x5c98fa0442a0 - <assert_cmd[35418449b5f7a4b8]::assert::Assert>::success
[INFO] [stdout]                                at /opt/rustwide/cargo-home/registry/src/index.crates.io-1949cf8c6b5b557f/assert_cmd-2.0.11/src/assert.rs:158:28
[INFO] [stdout]   24:     0x5c98f9e4c073 - lib[ef69c164f1f8dd99]::head::run
[INFO] [stdout]                                at /opt/rustwide/workdir/tests/head/mod.rs:105:10
[INFO] [stdout]   25:     0x5c98f9e4dfbe - lib[ef69c164f1f8dd99]::head::one_n4
[INFO] [stdout]                                at /opt/rustwide/workdir/tests/head/mod.rs:172:5
[INFO] [stdout]   26:     0x5c98f9e47c07 - lib[ef69c164f1f8dd99]::head::one_n4::{closure#0}
[INFO] [stdout]                                at /opt/rustwide/workdir/tests/head/mod.rs:171:16
[INFO] [stdout]   27:     0x5c98f9e52796 - <lib[ef69c164f1f8dd99]::head::one_n4::{closure#0} as core[6883ba1bc0fe4ed1]::ops::function::FnOnce<()>>::call_once
[INFO] [stdout]                                at /rustc/6b3fa26749ab40e159b2dd5cf577acaaf5902772/library/core/src/ops/function.rs:250:5
[INFO] [stdout]   28:     0x5c98f9e52f7b - <fn() -> core[6883ba1bc0fe4ed1]::result::Result<(), alloc[55a36b64bcbf2c0d]::string::String> as core[6883ba1bc0fe4ed1]::ops::function::FnOnce<()>>::call_once
[INFO] [stdout]                                at /rustc/6b3fa26749ab40e159b2dd5cf577acaaf5902772/library/core/src/ops/function.rs:250:5
[INFO] [stdout]   29:     0x5c98f9e52f7b - test[980ffaebd391d06d]::__rust_begin_short_backtrace::<core[6883ba1bc0fe4ed1]::result::Result<(), alloc[55a36b64bcbf2c0d]::string::String>, fn() -> core[6883ba1bc0fe4ed1]::result::Result<(), alloc[55a36b64bcbf2c0d]::string::String>>
[INFO] [stdout]                                at /rustc/6b3fa26749ab40e159b2dd5cf577acaaf5902772/library/test/src/lib.rs:724:18
[INFO] [stdout]   30:     0x5c98f9e605c5 - test[980ffaebd391d06d]::run_test_in_process::{closure#0}
[INFO] [stdout]                                at /rustc/6b3fa26749ab40e159b2dd5cf577acaaf5902772/library/test/src/lib.rs:747:74
[INFO] [stdout]   31:     0x5c98f9e605c5 - <core[6883ba1bc0fe4ed1]::panic::unwind_safe::AssertUnwindSafe<test[980ffaebd391d06d]::run_test_in_process::{closure#0}> as core[6883ba1bc0fe4ed1]::ops::function::FnOnce<()>>::call_once
[INFO] [stdout]                                at /rustc/6b3fa26749ab40e159b2dd5cf577acaaf5902772/library/core/src/panic/unwind_safe.rs:275:9
[INFO] [stdout]   32:     0x5c98f9e605c5 - std[73adb7dc35730857]::panicking::catch_unwind::do_call::<core[6883ba1bc0fe4ed1]::panic::unwind_safe::AssertUnwindSafe<test[980ffaebd391d06d]::run_test_in_process::{closure#0}>, core[6883ba1bc0fe4ed1]::result::Result<(), alloc[55a36b64bcbf2c0d]::string::String>>
[INFO] [stdout]                                at /rustc/6b3fa26749ab40e159b2dd5cf577acaaf5902772/library/std/src/panicking.rs:576:43
[INFO] [stdout]   33:     0x5c98f9e605c5 - std[73adb7dc35730857]::panicking::catch_unwind::<core[6883ba1bc0fe4ed1]::result::Result<(), alloc[55a36b64bcbf2c0d]::string::String>, core[6883ba1bc0fe4ed1]::panic::unwind_safe::AssertUnwindSafe<test[980ffaebd391d06d]::run_test_in_process::{closure#0}>>
[INFO] [stdout]                                at /rustc/6b3fa26749ab40e159b2dd5cf577acaaf5902772/library/std/src/panicking.rs:544:19
[INFO] [stdout]   34:     0x5c98f9e605c5 - std[73adb7dc35730857]::panic::catch_unwind::<core[6883ba1bc0fe4ed1]::panic::unwind_safe::AssertUnwindSafe<test[980ffaebd391d06d]::run_test_in_process::{closure#0}>, core[6883ba1bc0fe4ed1]::result::Result<(), alloc[55a36b64bcbf2c0d]::string::String>>
[INFO] [stdout]                                at /rustc/6b3fa26749ab40e159b2dd5cf577acaaf5902772/library/std/src/panic.rs:359:14
[INFO] [stdout]   35:     0x5c98f9e605c5 - test[980ffaebd391d06d]::run_test_in_process
[INFO] [stdout]                                at /rustc/6b3fa26749ab40e159b2dd5cf577acaaf5902772/library/test/src/lib.rs:747:27
[INFO] [stdout]   36:     0x5c98f9e605c5 - test[980ffaebd391d06d]::run_test::{closure#0}
[INFO] [stdout]                                at /rustc/6b3fa26749ab40e159b2dd5cf577acaaf5902772/library/test/src/lib.rs:668:43
[INFO] [stdout]   37:     0x5c98f9e5b074 - test[980ffaebd391d06d]::run_test::{closure#1}
[INFO] [stdout]                                at /rustc/6b3fa26749ab40e159b2dd5cf577acaaf5902772/library/test/src/lib.rs:698:41
[INFO] [stdout]   38:     0x5c98f9e5b074 - std[73adb7dc35730857]::sys::backtrace::__rust_begin_short_backtrace::<test[980ffaebd391d06d]::run_test::{closure#1}, ()>
[INFO] [stdout]                                at /rustc/6b3fa26749ab40e159b2dd5cf577acaaf5902772/library/std/src/sys/backtrace.rs:166:18
[INFO] [stdout]   39:     0x5c98f9e63712 - std[73adb7dc35730857]::thread::lifecycle::spawn_unchecked::<test[980ffaebd391d06d]::run_test::{closure#1}, ()>::{closure#1}::{closure#0}
[INFO] [stdout]                                at /rustc/6b3fa26749ab40e159b2dd5cf577acaaf5902772/library/std/src/thread/lifecycle.rs:70:13
[INFO] [stdout]   40:     0x5c98f9e63712 - <core[6883ba1bc0fe4ed1]::panic::unwind_safe::AssertUnwindSafe<std[73adb7dc35730857]::thread::lifecycle::spawn_unchecked<test[980ffaebd391d06d]::run_test::{closure#1}, ()>::{closure#1}::{closure#0}> as core[6883ba1bc0fe4ed1]::ops::function::FnOnce<()>>::call_once
[INFO] [stdout]                                at /rustc/6b3fa26749ab40e159b2dd5cf577acaaf5902772/library/core/src/panic/unwind_safe.rs:275:9
[INFO] [stdout]   41:     0x5c98f9e63712 - std[73adb7dc35730857]::panicking::catch_unwind::do_call::<core[6883ba1bc0fe4ed1]::panic::unwind_safe::AssertUnwindSafe<std[73adb7dc35730857]::thread::lifecycle::spawn_unchecked<test[980ffaebd391d06d]::run_test::{closure#1}, ()>::{closure#1}::{closure#0}>, ()>
[INFO] [stdout]                                at /rustc/6b3fa26749ab40e159b2dd5cf577acaaf5902772/library/std/src/panicking.rs:576:43
[INFO] [stdout]   42:     0x5c98f9e63712 - std[73adb7dc35730857]::panicking::catch_unwind::<(), core[6883ba1bc0fe4ed1]::panic::unwind_safe::AssertUnwindSafe<std[73adb7dc35730857]::thread::lifecycle::spawn_unchecked<test[980ffaebd391d06d]::run_test::{closure#1}, ()>::{closure#1}::{closure#0}>>
[INFO] [stdout]                                at /rustc/6b3fa26749ab40e159b2dd5cf577acaaf5902772/library/std/src/panicking.rs:544:19
[INFO] [stdout]   43:     0x5c98f9e63712 - std[73adb7dc35730857]::panic::catch_unwind::<core[6883ba1bc0fe4ed1]::panic::unwind_safe::AssertUnwindSafe<std[73adb7dc35730857]::thread::lifecycle::spawn_unchecked<test[980ffaebd391d06d]::run_test::{closure#1}, ()>::{closure#1}::{closure#0}>, ()>
[INFO] [stdout]                                at /rustc/6b3fa26749ab40e159b2dd5cf577acaaf5902772/library/std/src/panic.rs:359:14
[INFO] [stdout]   44:     0x5c98f9e63712 - std[73adb7dc35730857]::thread::lifecycle::spawn_unchecked::<test[980ffaebd391d06d]::run_test::{closure#1}, ()>::{closure#1}
[INFO] [stdout]                                at /rustc/6b3fa26749ab40e159b2dd5cf577acaaf5902772/library/std/src/thread/lifecycle.rs:68:26
[INFO] [stdout]   45:     0x5c98f9e63712 - <std[73adb7dc35730857]::thread::lifecycle::spawn_unchecked<test[980ffaebd391d06d]::run_test::{closure#1}, ()>::{closure#1} as core[6883ba1bc0fe4ed1]::ops::function::FnOnce<()>>::call_once::{shim:vtable#0}
[INFO] [stdout]                                at /rustc/6b3fa26749ab40e159b2dd5cf577acaaf5902772/library/core/src/ops/function.rs:250:5
[INFO] [stdout]   46:     0x5c98fa0d44af - <alloc[55a36b64bcbf2c0d]::boxed::Box<dyn core[6883ba1bc0fe4ed1]::ops::function::FnOnce<(), Output = ()> + core[6883ba1bc0fe4ed1]::marker::Send> as core[6883ba1bc0fe4ed1]::ops::function::FnOnce<()>>::call_once
[INFO] [stdout]                                at /rustc/6b3fa26749ab40e159b2dd5cf577acaaf5902772/library/alloc/src/boxed.rs:2319:9
[INFO] [stdout]   47:     0x5c98fa0d44af - <std[73adb7dc35730857]::sys::thread::unix::Thread>::new::thread_start
[INFO] [stdout]                                at /rustc/6b3fa26749ab40e159b2dd5cf577acaaf5902772/library/std/src/sys/thread/unix.rs:123:17
[INFO] [stdout]   48:     0x718092357aa4 - <unknown>
[INFO] [stdout]   49:     0x7180923e4a64 - clone
[INFO] [stdout]   50:                0x0 - <unknown>
[INFO] [stdout] 
[INFO] [stdout] ---- head::ten_c2 stdout ----
[INFO] [stdout] 
[INFO] [stdout] thread 'head::ten_c2' (3242) panicked at /rustc/6b3fa26749ab40e159b2dd5cf577acaaf5902772/library/core/src/ops/function.rs:250:5:
[INFO] [stdout] Unexpected failure.
[INFO] [stdout] code-101
[INFO] [stdout] stderr=```<90 lines total>
[INFO] [stdout] ```
[INFO] [stdout] 
[INFO] [stdout] thread \'main\' (3253) panicked at /opt/rustwide/cargo-home/registry/src/index.crates.io-1949cf8c6b5b557f/clap-3.2.25/src/parser/matches/arg_matches.rs:547:22:
[INFO] [stdout] Must use `Arg::allow_invalid_utf8` with `_os` lookups at `files`
[INFO] [stdout] stack backtrace:
[INFO] [stdout]    0:     0x56f3a8136601 - std[73adb7dc35730857]::backtrace_rs::backtrace::libunwind::trace
[INFO] [stdout]                                at /rustc/6b3fa26749ab40e159b2dd5cf577acaaf5902772/library/std/src/../../backtrace/src/backtrace/libunwind.rs:117:9
[INFO] [stdout]    1:     0x56f3a8136601 - std[73adb7dc35730857]::backtrace_rs::backtrace::trace_unsynchronized::<std[73adb7dc35730857]::sys::backtrace::_print_fmt::{closure#1}>
[INFO] [stdout]                                at /rustc/6b3fa26749ab40e159b2dd5cf577acaaf5902772/library/std/src/../../backtrace/src/backtrace/mod.rs:66:14
[INFO] [stdout]    2:     0x56f3a8136601 - std[73adb7dc35730857]::sys::backtrace::_print_fmt
[INFO] [stdout]                                at /rustc/6b3fa26749ab40e159b2dd5cf577acaaf5902772/library/std/src/sys/backtrace.rs:74:9
[INFO] [stdout]    3:     0x56f3a8136601 - <<std[73adb7dc35730857]::sys::backtrace::BacktraceLock>::print::DisplayBacktrace as core[6883ba1bc0fe4ed1]::fmt::Display>::fmt
[INFO] [stdout]                                at /rustc/6b3fa26749ab40e159b2dd5cf577acaaf5902772/library/std/src/sys/backtrace.rs:44:26
[INFO] [stdout]    4:     0x56f3a814a28a - <core[6883ba1bc0fe4ed1]::fmt::rt::Argument>::fmt
[INFO] [stdout]                                at /rustc/6b3fa26749ab40e159b2dd5cf577acaaf5902772/library/core/src/fmt/rt.rs:152:76
[INFO] [stdout]    5:     0x56f3a814a28a - core[6883ba1bc0fe4ed1]::fmt::write
[INFO] [stdout]    6:     0x56f3a813bcec - std[73adb7dc35730857]::io::default_write_fmt::<std[73adb7dc35730857]::sys::stdio::unix::Stderr>
[INFO] [stdout]                                at /rustc/6b3fa26749ab40e159b2dd5cf577acaaf5902772/library/std/src/io/mod.rs:626:11
[INFO] [stdout]    7:     0x56f3a813bcec - <std[73adb7dc35730857]::sys::stdio::unix::Stderr as std[73adb7dc35730857]::io::Write>::write_fmt
[INFO] [stdout]                                at /rustc/6b3fa26749ab40e159b2dd5cf577acaaf5902772/library/std/src/io/mod.rs:1730:13
[INFO] [stdout]    8:     0x56f3a8120e16 - <std[73adb7dc35730857]::sys::backtrace::BacktraceLock>::print
[INFO] [stdout] ```
[INFO] [stdout] <30 lines omitted>
[INFO] [stdout] ```
[INFO] [stdout]                                at /rustc/6b3fa26749ab40e159b2dd5cf577acaaf5902772/library/alloc/src/vec/mod.rs:3941:9
[INFO] [stdout]   24:     0x56f3a7fd008e - <core[6883ba1bc0fe4ed1]::iter::adapters::map::Map<core[6883ba1bc0fe4ed1]::iter::adapters::flatten::Flatten<core[6883ba1bc0fe4ed1]::slice::iter::Iter<alloc[55a36b64bcbf2c0d]::vec::Vec<clap[965b0170b9d3cf34]::parser::matches::any_value::AnyValue>>>, <clap[965b0170b9d3cf34]::parser::matches::arg_matches::ArgMatches>::values_of_lossy<&str>::{closure#0}> as core[6883ba1bc0fe4ed1]::iter::traits::iterator::Iterator>::collect::<alloc[55a36b64bcbf2c0d]::vec::Vec<alloc[55a36b64bcbf2c0d]::string::String>>
[INFO] [stdout]                                at /rustc/6b3fa26749ab40e159b2dd5cf577acaaf5902772/library/core/src/iter/traits/iterator.rs:2090:9
[INFO] [stdout]   25:     0x56f3a7fca166 - <clap[965b0170b9d3cf34]::parser::matches::arg_matches::ArgMatches>::values_of_lossy::<&str>
[INFO] [stdout]                                at /opt/rustwide/cargo-home/registry/src/index.crates.io-1949cf8c6b5b557f/clap-3.2.25/src/parser/matches/arg_matches.rs:548:14
[INFO] [stdout]   26:     0x56f3a7fd418b - command_line_rust[2a7d65b3375657d0]::head::get_args
[INFO] [stdout]                                at /opt/rustwide/workdir/src/head/mod.rs:92:24
[INFO] [stdout]   27:     0x56f3a7fc9ad2 - head[5f62c2f9cff836a0]::main
[INFO] [stdout]                                at /opt/rustwide/workdir/src/head/main.rs:4:21
[INFO] [stdout]   28:     0x56f3a7fc9beb - <fn() as core[6883ba1bc0fe4ed1]::ops::function::FnOnce<()>>::call_once
[INFO] [stdout]                                at /rustc/6b3fa26749ab40e159b2dd5cf577acaaf5902772/library/core/src/ops/function.rs:250:5
[INFO] [stdout]   29:     0x56f3a7fc9a5e - std[73adb7dc35730857]::sys::backtrace::__rust_begin_short_backtrace::<fn(), ()>
[INFO] [stdout]                                at /rustc/6b3fa26749ab40e159b2dd5cf577acaaf5902772/library/std/src/sys/backtrace.rs:166:18
[INFO] [stdout]   30:     0x56f3a7fc9a81 - std[73adb7dc35730857]::rt::lang_start::<()>::{closure#0}
[INFO] [stdout]                                at /rustc/6b3fa26749ab40e159b2dd5cf577acaaf5902772/library/std/src/rt.rs:206:18
[INFO] [stdout]   31:     0x56f3a8131547 - <&dyn core[6883ba1bc0fe4ed1]::ops::function::Fn<(), Output = i32> + core[6883ba1bc0fe4ed1]::panic::unwind_safe::RefUnwindSafe + core[6883ba1bc0fe4ed1]::marker::Sync as core[6883ba1bc0fe4ed1]::ops::function::FnOnce<()>>::call_once
[INFO] [stdout]                                at /rustc/6b3fa26749ab40e159b2dd5cf577acaaf5902772/library/core/src/ops/function.rs:287:21
[INFO] [stdout]   32:     0x56f3a8131547 - std[73adb7dc35730857]::panicking::catch_unwind::do_call::<&dyn core[6883ba1bc0fe4ed1]::ops::function::Fn<(), Output = i32> + core[6883ba1bc0fe4ed1]::panic::unwind_safe::RefUnwindSafe + core[6883ba1bc0fe4ed1]::marker::Sync, i32>
[INFO] [stdout]                                at /rustc/6b3fa26749ab40e159b2dd5cf577acaaf5902772/library/std/src/panicking.rs:576:43
[INFO] [stdout]   33:     0x56f3a8131547 - std[73adb7dc35730857]::panicking::catch_unwind::<i32, &dyn core[6883ba1bc0fe4ed1]::ops::function::Fn<(), Output = i32> + core[6883ba1bc0fe4ed1]::panic::unwind_safe::RefUnwindSafe + core[6883ba1bc0fe4ed1]::marker::Sync>
[INFO] [stdout]                                at /rustc/6b3fa26749ab40e159b2dd5cf577acaaf5902772/library/std/src/panicking.rs:544:19
[INFO] [stdout]   34:     0x56f3a8131547 - std[73adb7dc35730857]::panic::catch_unwind::<&dyn core[6883ba1bc0fe4ed1]::ops::function::Fn<(), Output = i32> + core[6883ba1bc0fe4ed1]::panic::unwind_safe::RefUnwindSafe + core[6883ba1bc0fe4ed1]::marker::Sync, i32>
[INFO] [stdout]                                at /rustc/6b3fa26749ab40e159b2dd5cf577acaaf5902772/library/std/src/panic.rs:359:14
[INFO] [stdout]   35:     0x56f3a8131547 - std[73adb7dc35730857]::rt::lang_start_internal::{closure#0}
[INFO] [stdout]                                at /rustc/6b3fa26749ab40e159b2dd5cf577acaaf5902772/library/std/src/rt.rs:175:24
[INFO] [stdout]   36:     0x56f3a8131547 - std[73adb7dc35730857]::panicking::catch_unwind::do_call::<std[73adb7dc35730857]::rt::lang_start_internal::{closure#0}, isize>
[INFO] [stdout]                                at /rustc/6b3fa26749ab40e159b2dd5cf577acaaf5902772/library/std/src/panicking.rs:576:43
[INFO] [stdout]   37:     0x56f3a8131547 - std[73adb7dc35730857]::panicking::catch_unwind::<isize, std[73adb7dc35730857]::rt::lang_start_internal::{closure#0}>
[INFO] [stdout]                                at /rustc/6b3fa26749ab40e159b2dd5cf577acaaf5902772/library/std/src/panicking.rs:544:19
[INFO] [stdout]   38:     0x56f3a8131547 - std[73adb7dc35730857]::panic::catch_unwind::<std[73adb7dc35730857]::rt::lang_start_internal::{closure#0}, isize>
[INFO] [stdout]                                at /rustc/6b3fa26749ab40e159b2dd5cf577acaaf5902772/library/std/src/panic.rs:359:14
[INFO] [stdout]   39:     0x56f3a8131547 - std[73adb7dc35730857]::rt::lang_start_internal
[INFO] [stdout]                                at /rustc/6b3fa26749ab40e159b2dd5cf577acaaf5902772/library/std/src/rt.rs:171:5
[INFO] [stdout]   40:     0x56f3a7fc9a47 - std[73adb7dc35730857]::rt::lang_start::<()>
[INFO] [stdout]                                at /rustc/6b3fa26749ab40e159b2dd5cf577acaaf5902772/library/std/src/rt.rs:205:5
[INFO] [stdout]   41:     0x56f3a7fc9c7e - main
[INFO] [stdout]   42:     0x7ba2c74761ca - <unknown>
[INFO] [stdout]   43:     0x7ba2c747628b - __libc_start_main
[INFO] [stdout]   44:     0x56f3a7fc98a5 - _start
[INFO] [stdout]   45:                0x0 - <unknown>
[INFO] [stdout] ```
[INFO] [stdout] ```
[INFO] [stdout] command=`"/opt/rustwide/target/debug/head" "tests/head/inputs/ten.txt" "-c" "2"`
[INFO] [stdout] code=101
[INFO] [stdout] stdout=""
[INFO] [stdout] stderr=<90 lines total>
[INFO] [stdout] ```
[INFO] [stdout] 
[INFO] [stdout] thread \'main\' (3253) panicked at /opt/rustwide/cargo-home/registry/src/index.crates.io-1949cf8c6b5b557f/clap-3.2.25/src/parser/matches/arg_matches.rs:547:22:
[INFO] [stdout] Must use `Arg::allow_invalid_utf8` with `_os` lookups at `files`
[INFO] [stdout] stack backtrace:
[INFO] [stdout]    0:     0x56f3a8136601 - std[73adb7dc35730857]::backtrace_rs::backtrace::libunwind::trace
[INFO] [stdout]                                at /rustc/6b3fa26749ab40e159b2dd5cf577acaaf5902772/library/std/src/../../backtrace/src/backtrace/libunwind.rs:117:9
[INFO] [stdout]    1:     0x56f3a8136601 - std[73adb7dc35730857]::backtrace_rs::backtrace::trace_unsynchronized::<std[73adb7dc35730857]::sys::backtrace::_print_fmt::{closure#1}>
[INFO] [stdout]                                at /rustc/6b3fa26749ab40e159b2dd5cf577acaaf5902772/library/std/src/../../backtrace/src/backtrace/mod.rs:66:14
[INFO] [stdout]    2:     0x56f3a8136601 - std[73adb7dc35730857]::sys::backtrace::_print_fmt
[INFO] [stdout]                                at /rustc/6b3fa26749ab40e159b2dd5cf577acaaf5902772/library/std/src/sys/backtrace.rs:74:9
[INFO] [stdout]    3:     0x56f3a8136601 - <<std[73adb7dc35730857]::sys::backtrace::BacktraceLock>::print::DisplayBacktrace as core[6883ba1bc0fe4ed1]::fmt::Display>::fmt
[INFO] [stdout]                                at /rustc/6b3fa26749ab40e159b2dd5cf577acaaf5902772/library/std/src/sys/backtrace.rs:44:26
[INFO] [stdout]    4:     0x56f3a814a28a - <core[6883ba1bc0fe4ed1]::fmt::rt::Argument>::fmt
[INFO] [stdout]                                at /rustc/6b3fa26749ab40e159b2dd5cf577acaaf5902772/library/core/src/fmt/rt.rs:152:76
[INFO] [stdout]    5:     0x56f3a814a28a - core[6883ba1bc0fe4ed1]::fmt::write
[INFO] [stdout]    6:     0x56f3a813bcec - std[73adb7dc35730857]::io::default_write_fmt::<std[73adb7dc35730857]::sys::stdio::unix::Stderr>
[INFO] [stdout]                                at /rustc/6b3fa26749ab40e159b2dd5cf577acaaf5902772/library/std/src/io/mod.rs:626:11
[INFO] [stdout]    7:     0x56f3a813bcec - <std[73adb7dc35730857]::sys::stdio::unix::Stderr as std[73adb7dc35730857]::io::Write>::write_fmt
[INFO] [stdout]                                at /rustc/6b3fa26749ab40e159b2dd5cf577acaaf5902772/library/std/src/io/mod.rs:1730:13
[INFO] [stdout]    8:     0x56f3a8120e16 - <std[73adb7dc35730857]::sys::backtrace::BacktraceLock>::print
[INFO] [stdout] ```
[INFO] [stdout] <30 lines omitted>
[INFO] [stdout] ```
[INFO] [stdout]                                at /rustc/6b3fa26749ab40e159b2dd5cf577acaaf5902772/library/alloc/src/vec/mod.rs:3941:9
[INFO] [stdout]   24:     0x56f3a7fd008e - <core[6883ba1bc0fe4ed1]::iter::adapters::map::Map<core[6883ba1bc0fe4ed1]::iter::adapters::flatten::Flatten<core[6883ba1bc0fe4ed1]::slice::iter::Iter<alloc[55a36b64bcbf2c0d]::vec::Vec<clap[965b0170b9d3cf34]::parser::matches::any_value::AnyValue>>>, <clap[965b0170b9d3cf34]::parser::matches::arg_matches::ArgMatches>::values_of_lossy<&str>::{closure#0}> as core[6883ba1bc0fe4ed1]::iter::traits::iterator::Iterator>::collect::<alloc[55a36b64bcbf2c0d]::vec::Vec<alloc[55a36b64bcbf2c0d]::string::String>>
[INFO] [stdout]                                at /rustc/6b3fa26749ab40e159b2dd5cf577acaaf5902772/library/core/src/iter/traits/iterator.rs:2090:9
[INFO] [stdout]   25:     0x56f3a7fca166 - <clap[965b0170b9d3cf34]::parser::matches::arg_matches::ArgMatches>::values_of_lossy::<&str>
[INFO] [stdout]                                at /opt/rustwide/cargo-home/registry/src/index.crates.io-1949cf8c6b5b557f/clap-3.2.25/src/parser/matches/arg_matches.rs:548:14
[INFO] [stdout]   26:     0x56f3a7fd418b - command_line_rust[2a7d65b3375657d0]::head::get_args
[INFO] [stdout]                                at /opt/rustwide/workdir/src/head/mod.rs:92:24
[INFO] [stdout]   27:     0x56f3a7fc9ad2 - head[5f62c2f9cff836a0]::main
[INFO] [stdout]                                at /opt/rustwide/workdir/src/head/main.rs:4:21
[INFO] [stdout]   28:     0x56f3a7fc9beb - <fn() as core[6883ba1bc0fe4ed1]::ops::function::FnOnce<()>>::call_once
[INFO] [stdout]                                at /rustc/6b3fa26749ab40e159b2dd5cf577acaaf5902772/library/core/src/ops/function.rs:250:5
[INFO] [stdout]   29:     0x56f3a7fc9a5e - std[73adb7dc35730857]::sys::backtrace::__rust_begin_short_backtrace::<fn(), ()>
[INFO] [stdout]                                at /rustc/6b3fa26749ab40e159b2dd5cf577acaaf5902772/library/std/src/sys/backtrace.rs:166:18
[INFO] [stdout]   30:     0x56f3a7fc9a81 - std[73adb7dc35730857]::rt::lang_start::<()>::{closure#0}
[INFO] [stdout]                                at /rustc/6b3fa26749ab40e159b2dd5cf577acaaf5902772/library/std/src/rt.rs:206:18
[INFO] [stdout]   31:     0x56f3a8131547 - <&dyn core[6883ba1bc0fe4ed1]::ops::function::Fn<(), Output = i32> + core[6883ba1bc0fe4ed1]::panic::unwind_safe::RefUnwindSafe + core[6883ba1bc0fe4ed1]::marker::Sync as core[6883ba1bc0fe4ed1]::ops::function::FnOnce<()>>::call_once
[INFO] [stdout]                                at /rustc/6b3fa26749ab40e159b2dd5cf577acaaf5902772/library/core/src/ops/function.rs:287:21
[INFO] [stdout]   32:     0x56f3a8131547 - std[73adb7dc35730857]::panicking::catch_unwind::do_call::<&dyn core[6883ba1bc0fe4ed1]::ops::function::Fn<(), Output = i32> + core[6883ba1bc0fe4ed1]::panic::unwind_safe::RefUnwindSafe + core[6883ba1bc0fe4ed1]::marker::Sync, i32>
[INFO] [stdout]                                at /rustc/6b3fa26749ab40e159b2dd5cf577acaaf5902772/library/std/src/panicking.rs:576:43
[INFO] [stdout]   33:     0x56f3a8131547 - std[73adb7dc35730857]::panicking::catch_unwind::<i32, &dyn core[6883ba1bc0fe4ed1]::ops::function::Fn<(), Output = i32> + core[6883ba1bc0fe4ed1]::panic::unwind_safe::RefUnwindSafe + core[6883ba1bc0fe4ed1]::marker::Sync>
[INFO] [stdout]                                at /rustc/6b3fa26749ab40e159b2dd5cf577acaaf5902772/library/std/src/panicking.rs:544:19
[INFO] [stdout]   34:     0x56f3a8131547 - std[73adb7dc35730857]::panic::catch_unwind::<&dyn core[6883ba1bc0fe4ed1]::ops::function::Fn<(), Output = i32> + core[6883ba1bc0fe4ed1]::panic::unwind_safe::RefUnwindSafe + core[6883ba1bc0fe4ed1]::marker::Sync, i32>
[INFO] [stdout]                                at /rustc/6b3fa26749ab40e159b2dd5cf577acaaf5902772/library/std/src/panic.rs:359:14
[INFO] [stdout]   35:     0x56f3a8131547 - std[73adb7dc35730857]::rt::lang_start_internal::{closure#0}
[INFO] [stdout]                                at /rustc/6b3fa26749ab40e159b2dd5cf577acaaf5902772/library/std/src/rt.rs:175:24
[INFO] [stdout]   36:     0x56f3a8131547 - std[73adb7dc35730857]::panicking::catch_unwind::do_call::<std[73adb7dc35730857]::rt::lang_start_internal::{closure#0}, isize>
[INFO] [stdout]                                at /rustc/6b3fa26749ab40e159b2dd5cf577acaaf5902772/library/std/src/panicking.rs:576:43
[INFO] [stdout]   37:     0x56f3a8131547 - std[73adb7dc35730857]::panicking::catch_unwind::<isize, std[73adb7dc35730857]::rt::lang_start_internal::{closure#0}>
[INFO] [stdout]                                at /rustc/6b3fa26749ab40e159b2dd5cf577acaaf5902772/library/std/src/panicking.rs:544:19
[INFO] [stdout]   38:     0x56f3a8131547 - std[73adb7dc35730857]::panic::catch_unwind::<std[73adb7dc35730857]::rt::lang_start_internal::{closure#0}, isize>
[INFO] [stdout]                                at /rustc/6b3fa26749ab40e159b2dd5cf577acaaf5902772/library/std/src/panic.rs:359:14
[INFO] [stdout]   39:     0x56f3a8131547 - std[73adb7dc35730857]::rt::lang_start_internal
[INFO] [stdout]                                at /rustc/6b3fa26749ab40e159b2dd5cf577acaaf5902772/library/std/src/rt.rs:171:5
[INFO] [stdout]   40:     0x56f3a7fc9a47 - std[73adb7dc35730857]::rt::lang_start::<()>
[INFO] [stdout]                                at /rustc/6b3fa26749ab40e159b2dd5cf577acaaf5902772/library/std/src/rt.rs:205:5
[INFO] [stdout]   41:     0x56f3a7fc9c7e - main
[INFO] [stdout]   42:     0x7ba2c74761ca - <unknown>
[INFO] [stdout]   43:     0x7ba2c747628b - __libc_start_main
[INFO] [stdout]   44:     0x56f3a7fc98a5 - _start
[INFO] [stdout]   45:                0x0 - <unknown>
[INFO] [stdout] ```
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] stack backtrace:
[INFO] [stdout]    0:     0x5c98fa0d5011 - std[73adb7dc35730857]::backtrace_rs::backtrace::libunwind::trace
[INFO] [stdout]                                at /rustc/6b3fa26749ab40e159b2dd5cf577acaaf5902772/library/std/src/../../backtrace/src/backtrace/libunwind.rs:117:9
[INFO] [stdout]    1:     0x5c98fa0d5011 - std[73adb7dc35730857]::backtrace_rs::backtrace::trace_unsynchronized::<std[73adb7dc35730857]::sys::backtrace::_print_fmt::{closure#1}>
[INFO] [stdout]                                at /rustc/6b3fa26749ab40e159b2dd5cf577acaaf5902772/library/std/src/../../backtrace/src/backtrace/mod.rs:66:14
[INFO] [stdout]    2:     0x5c98fa0d5011 - std[73adb7dc35730857]::sys::backtrace::_print_fmt
[INFO] [stdout]                                at /rustc/6b3fa26749ab40e159b2dd5cf577acaaf5902772/library/std/src/sys/backtrace.rs:74:9
[INFO] [stdout]    3:     0x5c98fa0d5011 - <<std[73adb7dc35730857]::sys::backtrace::BacktraceLock>::print::DisplayBacktrace as core[6883ba1bc0fe4ed1]::fmt::Display>::fmt
[INFO] [stdout]                                at /rustc/6b3fa26749ab40e159b2dd5cf577acaaf5902772/library/std/src/sys/backtrace.rs:44:26
[INFO] [stdout]    4:     0x5c98fa0eb71a - <core[6883ba1bc0fe4ed1]::fmt::rt::Argument>::fmt
[INFO] [stdout]                                at /rustc/6b3fa26749ab40e159b2dd5cf577acaaf5902772/library/core/src/fmt/rt.rs:152:76
[INFO] [stdout]    5:     0x5c98fa0eb71a - core[6883ba1bc0fe4ed1]::fmt::write
[INFO] [stdout]    6:     0x5c98fa0da99c - std[73adb7dc35730857]::io::default_write_fmt::<alloc[55a36b64bcbf2c0d]::vec::Vec<u8>>
[INFO] [stdout]                                at /rustc/6b3fa26749ab40e159b2dd5cf577acaaf5902772/library/std/src/io/mod.rs:626:11
[INFO] [stdout]    7:     0x5c98fa0da99c - <alloc[55a36b64bcbf2c0d]::vec::Vec<u8> as std[73adb7dc35730857]::io::Write>::write_fmt
[INFO] [stdout]                                at /rustc/6b3fa26749ab40e159b2dd5cf577acaaf5902772/library/std/src/io/mod.rs:1730:13
[INFO] [stdout]    8:     0x5c98fa0b2986 - <std[73adb7dc35730857]::sys::backtrace::BacktraceLock>::print
[INFO] [stdout]                                at /rustc/6b3fa26749ab40e159b2dd5cf577acaaf5902772/library/std/src/sys/backtrace.rs:47:9
[INFO] [stdout]    9:     0x5c98fa0b2986 - std[73adb7dc35730857]::panicking::default_hook::{closure#0}
[INFO] [stdout]                                at /rustc/6b3fa26749ab40e159b2dd5cf577acaaf5902772/library/std/src/panicking.rs:292:27
[INFO] [stdout]   10:     0x5c98fa0ccd09 - std[73adb7dc35730857]::panicking::default_hook
[INFO] [stdout]                                at /rustc/6b3fa26749ab40e159b2dd5cf577acaaf5902772/library/std/src/panicking.rs:316:9
[INFO] [stdout]   11:     0x5c98f9e5fc40 - <alloc[55a36b64bcbf2c0d]::boxed::Box<dyn for<'a, 'b> core[6883ba1bc0fe4ed1]::ops::function::Fn<(&'a std[73adb7dc35730857]::panic::PanicHookInfo<'b>,), Output = ()> + core[6883ba1bc0fe4ed1]::marker::Send + core[6883ba1bc0fe4ed1]::marker::Sync> as core[6883ba1bc0fe4ed1]::ops::function::Fn<(&std[73adb7dc35730857]::panic::PanicHookInfo,)>>::call
[INFO] [stdout]                                at /rustc/6b3fa26749ab40e159b2dd5cf577acaaf5902772/library/alloc/src/boxed.rs:2333:9
[INFO] [stdout]   12:     0x5c98f9e5fc40 - test[980ffaebd391d06d]::test_main_inner::<test[980ffaebd391d06d]::test_main_static::{closure#0}>::{closure#0}
[INFO] [stdout]                                at /rustc/6b3fa26749ab40e159b2dd5cf577acaaf5902772/library/test/src/lib.rs:155:21
[INFO] [stdout]   13:     0x5c98fa0ccec2 - <alloc[55a36b64bcbf2c0d]::boxed::Box<dyn for<'a, 'b> core[6883ba1bc0fe4ed1]::ops::function::Fn<(&'a std[73adb7dc35730857]::panic::PanicHookInfo<'b>,), Output = ()> + core[6883ba1bc0fe4ed1]::marker::Send + core[6883ba1bc0fe4ed1]::marker::Sync> as core[6883ba1bc0fe4ed1]::ops::function::Fn<(&std[73adb7dc35730857]::panic::PanicHookInfo,)>>::call
[INFO] [stdout]                                at /rustc/6b3fa26749ab40e159b2dd5cf577acaaf5902772/library/alloc/src/boxed.rs:2333:9
[INFO] [stdout]   14:     0x5c98fa0ccec2 - std[73adb7dc35730857]::panicking::panic_with_hook
[INFO] [stdout]                                at /rustc/6b3fa26749ab40e159b2dd5cf577acaaf5902772/library/std/src/panicking.rs:823:13
[INFO] [stdout]   15:     0x5c98fa0b2a32 - std[73adb7dc35730857]::panicking::panic_handler::{closure#0}
[INFO] [stdout]                                at /rustc/6b3fa26749ab40e159b2dd5cf577acaaf5902772/library/std/src/panicking.rs:688:13
[INFO] [stdout]   16:     0x5c98fa0aa1d9 - std[73adb7dc35730857]::sys::backtrace::__rust_end_short_backtrace::<std[73adb7dc35730857]::panicking::panic_handler::{closure#0}, !>
[INFO] [stdout]                                at /rustc/6b3fa26749ab40e159b2dd5cf577acaaf5902772/library/std/src/sys/backtrace.rs:182:18
[INFO] [stdout]   17:     0x5c98fa0b362d - __rustc[a7b7b02e776dd976]::rust_begin_unwind
[INFO] [stdout]                                at /rustc/6b3fa26749ab40e159b2dd5cf577acaaf5902772/library/std/src/panicking.rs:679:5
[INFO] [stdout]   18:     0x5c98fa0ebf9c - core[6883ba1bc0fe4ed1]::panicking::panic_fmt
[INFO] [stdout]                                at /rustc/6b3fa26749ab40e159b2dd5cf577acaaf5902772/library/core/src/panicking.rs:80:14
[INFO] [stdout]   19:     0x5c98fa03b8b8 - core[6883ba1bc0fe4ed1]::panicking::panic_display::<assert_cmd[35418449b5f7a4b8]::assert::AssertError>
[INFO] [stdout]                                at /rustc/6b3fa26749ab40e159b2dd5cf577acaaf5902772/library/core/src/panicking.rs:259:5
[INFO] [stdout]   20:     0x5c98fa0426c7 - <assert_cmd[35418449b5f7a4b8]::assert::AssertError>::panic::<assert_cmd[35418449b5f7a4b8]::assert::Assert>
[INFO] [stdout]                                at /opt/rustwide/cargo-home/registry/src/index.crates.io-1949cf8c6b5b557f/assert_cmd-2.0.11/src/assert.rs:1033:9
[INFO] [stdout]   21:     0x5c98fa038947 - <<assert_cmd[35418449b5f7a4b8]::assert::AssertError>::panic<assert_cmd[35418449b5f7a4b8]::assert::Assert> as core[6883ba1bc0fe4ed1]::ops::function::FnOnce<(assert_cmd[35418449b5f7a4b8]::assert::AssertError,)>>::call_once
[INFO] [stdout]                                at /rustc/6b3fa26749ab40e159b2dd5cf577acaaf5902772/library/core/src/ops/function.rs:250:5
[INFO] [stdout]   22:     0x5c98fa041dfb - <core[6883ba1bc0fe4ed1]::result::Result<assert_cmd[35418449b5f7a4b8]::assert::Assert, assert_cmd[35418449b5f7a4b8]::assert::AssertError>>::unwrap_or_else::<<assert_cmd[35418449b5f7a4b8]::assert::AssertError>::panic<assert_cmd[35418449b5f7a4b8]::assert::Assert>>
[INFO] [stdout]                                at /rustc/6b3fa26749ab40e159b2dd5cf577acaaf5902772/library/core/src/result.rs:1620:23
[INFO] [stdout]   23:     0x5c98fa0442a0 - <assert_cmd[35418449b5f7a4b8]::assert::Assert>::success
[INFO] [stdout]                                at /opt/rustwide/cargo-home/registry/src/index.crates.io-1949cf8c6b5b557f/assert_cmd-2.0.11/src/assert.rs:158:28
[INFO] [stdout]   24:     0x5c98f9e4c073 - lib[ef69c164f1f8dd99]::head::run
[INFO] [stdout]                                at /opt/rustwide/workdir/tests/head/mod.rs:105:10
[INFO] [stdout]   25:     0x5c98f9e4dfde - lib[ef69c164f1f8dd99]::head::ten_c2
[INFO] [stdout]                                at /opt/rustwide/workdir/tests/head/mod.rs:340:5
[INFO] [stdout]   26:     0x5c98f9e47c37 - lib[ef69c164f1f8dd99]::head::ten_c2::{closure#0}
[INFO] [stdout]                                at /opt/rustwide/workdir/tests/head/mod.rs:339:16
[INFO] [stdout]   27:     0x5c98f9e527d6 - <lib[ef69c164f1f8dd99]::head::ten_c2::{closure#0} as core[6883ba1bc0fe4ed1]::ops::function::FnOnce<()>>::call_once
[INFO] [stdout]                                at /rustc/6b3fa26749ab40e159b2dd5cf577acaaf5902772/library/core/src/ops/function.rs:250:5
[INFO] [stdout]   28:     0x5c98f9e52f7b - <fn() -> core[6883ba1bc0fe4ed1]::result::Result<(), alloc[55a36b64bcbf2c0d]::string::String> as core[6883ba1bc0fe4ed1]::ops::function::FnOnce<()>>::call_once
[INFO] [stdout]                                at /rustc/6b3fa26749ab40e159b2dd5cf577acaaf5902772/library/core/src/ops/function.rs:250:5
[INFO] [stdout]   29:     0x5c98f9e52f7b - test[980ffaebd391d06d]::__rust_begin_short_backtrace::<core[6883ba1bc0fe4ed1]::result::Result<(), alloc[55a36b64bcbf2c0d]::string::String>, fn() -> core[6883ba1bc0fe4ed1]::result::Result<(), alloc[55a36b64bcbf2c0d]::string::String>>
[INFO] [stdout]                                at /rustc/6b3fa26749ab40e159b2dd5cf577acaaf5902772/library/test/src/lib.rs:724:18
[INFO] [stdout]   30:     0x5c98f9e605c5 - test[980ffaebd391d06d]::run_test_in_process::{closure#0}
[INFO] [stdout]                                at /rustc/6b3fa26749ab40e159b2dd5cf577acaaf5902772/library/test/src/lib.rs:747:74
[INFO] [stdout]   31:     0x5c98f9e605c5 - <core[6883ba1bc0fe4ed1]::panic::unwind_safe::AssertUnwindSafe<test[980ffaebd391d06d]::run_test_in_process::{closure#0}> as core[6883ba1bc0fe4ed1]::ops::function::FnOnce<()>>::call_once
[INFO] [stdout]                                at /rustc/6b3fa26749ab40e159b2dd5cf577acaaf5902772/library/core/src/panic/unwind_safe.rs:275:9
[INFO] [stdout]   32:     0x5c98f9e605c5 - std[73adb7dc35730857]::panicking::catch_unwind::do_call::<core[6883ba1bc0fe4ed1]::panic::unwind_safe::AssertUnwindSafe<test[980ffaebd391d06d]::run_test_in_process::{closure#0}>, core[6883ba1bc0fe4ed1]::result::Result<(), alloc[55a36b64bcbf2c0d]::string::String>>
[INFO] [stdout]                                at /rustc/6b3fa26749ab40e159b2dd5cf577acaaf5902772/library/std/src/panicking.rs:576:43
[INFO] [stdout]   33:     0x5c98f9e605c5 - std[73adb7dc35730857]::panicking::catch_unwind::<core[6883ba1bc0fe4ed1]::result::Result<(), alloc[55a36b64bcbf2c0d]::string::String>, core[6883ba1bc0fe4ed1]::panic::unwind_safe::AssertUnwindSafe<test[980ffaebd391d06d]::run_test_in_process::{closure#0}>>
[INFO] [stdout]                                at /rustc/6b3fa26749ab40e159b2dd5cf577acaaf5902772/library/std/src/panicking.rs:544:19
[INFO] [stdout]   34:     0x5c98f9e605c5 - std[73adb7dc35730857]::panic::catch_unwind::<core[6883ba1bc0fe4ed1]::panic::unwind_safe::AssertUnwindSafe<test[980ffaebd391d06d]::run_test_in_process::{closure#0}>, core[6883ba1bc0fe4ed1]::result::Result<(), alloc[55a36b64bcbf2c0d]::string::String>>
[INFO] [stdout]                                at /rustc/6b3fa26749ab40e159b2dd5cf577acaaf5902772/library/std/src/panic.rs:359:14
[INFO] [stdout]   35:     0x5c98f9e605c5 - test[980ffaebd391d06d]::run_test_in_process
[INFO] [stdout]                                at /rustc/6b3fa26749ab40e159b2dd5cf577acaaf5902772/library/test/src/lib.rs:747:27
[INFO] [stdout]   36:     0x5c98f9e605c5 - test[980ffaebd391d06d]::run_test::{closure#0}
[INFO] [stdout]                                at /rustc/6b3fa26749ab40e159b2dd5cf577acaaf5902772/library/test/src/lib.rs:668:43
[INFO] [stdout]   37:     0x5c98f9e5b074 - test[980ffaebd391d06d]::run_test::{closure#1}
[INFO] [stdout]                                at /rustc/6b3fa26749ab40e159b2dd5cf577acaaf5902772/library/test/src/lib.rs:698:41
[INFO] [stdout]   38:     0x5c98f9e5b074 - std[73adb7dc35730857]::sys::backtrace::__rust_begin_short_backtrace::<test[980ffaebd391d06d]::run_test::{closure#1}, ()>
[INFO] [stdout]                                at /rustc/6b3fa26749ab40e159b2dd5cf577acaaf5902772/library/std/src/sys/backtrace.rs:166:18
[INFO] [stdout]   39:     0x5c98f9e63712 - std[73adb7dc35730857]::thread::lifecycle::spawn_unchecked::<test[980ffaebd391d06d]::run_test::{closure#1}, ()>::{closure#1}::{closure#0}
[INFO] [stdout]                                at /rustc/6b3fa26749ab40e159b2dd5cf577acaaf5902772/library/std/src/thread/lifecycle.rs:70:13
[INFO] [stdout]   40:     0x5c98f9e63712 - <core[6883ba1bc0fe4ed1]::panic::unwind_safe::AssertUnwindSafe<std[73adb7dc35730857]::thread::lifecycle::spawn_unchecked<test[980ffaebd391d06d]::run_test::{closure#1}, ()>::{closure#1}::{closure#0}> as core[6883ba1bc0fe4ed1]::ops::function::FnOnce<()>>::call_once
[INFO] [stdout]                                at /rustc/6b3fa26749ab40e159b2dd5cf577acaaf5902772/library/core/src/panic/unwind_safe.rs:275:9
[INFO] [stdout]   41:     0x5c98f9e63712 - std[73adb7dc35730857]::panicking::catch_unwind::do_call::<core[6883ba1bc0fe4ed1]::panic::unwind_safe::AssertUnwindSafe<std[73adb7dc35730857]::thread::lifecycle::spawn_unchecked<test[980ffaebd391d06d]::run_test::{closure#1}, ()>::{closure#1}::{closure#0}>, ()>
[INFO] [stdout]                                at /rustc/6b3fa26749ab40e159b2dd5cf577acaaf5902772/library/std/src/panicking.rs:576:43
[INFO] [stdout]   42:     0x5c98f9e63712 - std[73adb7dc35730857]::panicking::catch_unwind::<(), core[6883ba1bc0fe4ed1]::panic::unwind_safe::AssertUnwindSafe<std[73adb7dc35730857]::thread::lifecycle::spawn_unchecked<test[980ffaebd391d06d]::run_test::{closure#1}, ()>::{closure#1}::{closure#0}>>
[INFO] [stdout]                                at /rustc/6b3fa26749ab40e159b2dd5cf577acaaf5902772/library/std/src/panicking.rs:544:19
[INFO] [stdout]   43:     0x5c98f9e63712 - std[73adb7dc35730857]::panic::catch_unwind::<core[6883ba1bc0fe4ed1]::panic::unwind_safe::AssertUnwindSafe<std[73adb7dc35730857]::thread::lifecycle::spawn_unchecked<test[980ffaebd391d06d]::run_test::{closure#1}, ()>::{closure#1}::{closure#0}>, ()>
[INFO] [stdout]                                at /rustc/6b3fa26749ab40e159b2dd5cf577acaaf5902772/library/std/src/panic.rs:359:14
[INFO] [stdout]   44:     0x5c98f9e63712 - std[73adb7dc35730857]::thread::lifecycle::spawn_unchecked::<test[980ffaebd391d06d]::run_test::{closure#1}, ()>::{closure#1}
[INFO] [stdout]                                at /rustc/6b3fa26749ab40e159b2dd5cf577acaaf5902772/library/std/src/thread/lifecycle.rs:68:26
[INFO] [stdout]   45:     0x5c98f9e63712 - <std[73adb7dc35730857]::thread::lifecycle::spawn_unchecked<test[980ffaebd391d06d]::run_test::{closure#1}, ()>::{closure#1} as core[6883ba1bc0fe4ed1]::ops::function::FnOnce<()>>::call_once::{shim:vtable#0}
[INFO] [stdout]                                at /rustc/6b3fa26749ab40e159b2dd5cf577acaaf5902772/library/core/src/ops/function.rs:250:5
[INFO] [stdout]   46:     0x5c98fa0d44af - <alloc[55a36b64bcbf2c0d]::boxed::Box<dyn core[6883ba1bc0fe4ed1]::ops::function::FnOnce<(), Output = ()> + core[6883ba1bc0fe4ed1]::marker::Send> as core[6883ba1bc0fe4ed1]::ops::function::FnOnce<()>>::call_once
[INFO] [stdout]                                at /rustc/6b3fa26749ab40e159b2dd5cf577acaaf5902772/library/alloc/src/boxed.rs:2319:9
[INFO] [stdout]   47:     0x5c98fa0d44af - <std[73adb7dc35730857]::sys::thread::unix::Thread>::new::thread_start
[INFO] [stdout]                                at /rustc/6b3fa26749ab40e159b2dd5cf577acaaf5902772/library/std/src/sys/thread/unix.rs:123:17
[INFO] [stdout]   48:     0x718092357aa4 - <unknown>
[INFO] [stdout]   49:     0x7180923e4a64 - clone
[INFO] [stdout]   50:                0x0 - <unknown>
[INFO] [stdout] 
[INFO] [stdout] ---- head::two stdout ----
[INFO] [stdout] 
[INFO] [stdout] thread 'head::two' (3334) panicked at /rustc/6b3fa26749ab40e159b2dd5cf577acaaf5902772/library/core/src/ops/function.rs:250:5:
[INFO] [stdout] Unexpected failure.
[INFO] [stdout] code-101
[INFO] [stdout] stderr=```<90 lines total>
[INFO] [stdout] ```
[INFO] [stdout] 
[INFO] [stdout] thread \'main\' (3335) panicked at /opt/rustwide/cargo-home/registry/src/index.crates.io-1949cf8c6b5b557f/clap-3.2.25/src/parser/matches/arg_matches.rs:547:22:
[INFO] [stdout] Must use `Arg::allow_invalid_utf8` with `_os` lookups at `files`
[INFO] [stdout] stack backtrace:
[INFO] [stdout]    0:     0x5b2df4ada601 - std[73adb7dc35730857]::backtrace_rs::backtrace::libunwind::trace
[INFO] [stdout]                                at /rustc/6b3fa26749ab40e159b2dd5cf577acaaf5902772/library/std/src/../../backtrace/src/backtrace/libunwind.rs:117:9
[INFO] [stdout]    1:     0x5b2df4ada601 - std[73adb7dc35730857]::backtrace_rs::backtrace::trace_unsynchronized::<std[73adb7dc35730857]::sys::backtrace::_print_fmt::{closure#1}>
[INFO] [stdout]                                at /rustc/6b3fa26749ab40e159b2dd5cf577acaaf5902772/library/std/src/../../backtrace/src/backtrace/mod.rs:66:14
[INFO] [stdout]    2:     0x5b2df4ada601 - std[73adb7dc35730857]::sys::backtrace::_print_fmt
[INFO] [stdout]                                at /rustc/6b3fa26749ab40e159b2dd5cf577acaaf5902772/library/std/src/sys/backtrace.rs:74:9
[INFO] [stdout]    3:     0x5b2df4ada601 - <<std[73adb7dc35730857]::sys::backtrace::BacktraceLock>::print::DisplayBacktrace as core[6883ba1bc0fe4ed1]::fmt::Display>::fmt
[INFO] [stdout]                                at /rustc/6b3fa26749ab40e159b2dd5cf577acaaf5902772/library/std/src/sys/backtrace.rs:44:26
[INFO] [stdout]    4:     0x5b2df4aee28a - <core[6883ba1bc0fe4ed1]::fmt::rt::Argument>::fmt
[INFO] [stdout]                                at /rustc/6b3fa26749ab40e159b2dd5cf577acaaf5902772/library/core/src/fmt/rt.rs:152:76
[INFO] [stdout]    5:     0x5b2df4aee28a - core[6883ba1bc0fe4ed1]::fmt::write
[INFO] [stdout]    6:     0x5b2df4adfcec - std[73adb7dc35730857]::io::default_write_fmt::<std[73adb7dc35730857]::sys::stdio::unix::Stderr>
[INFO] [stdout]                                at /rustc/6b3fa26749ab40e159b2dd5cf577acaaf5902772/library/std/src/io/mod.rs:626:11
[INFO] [stdout]    7:     0x5b2df4adfcec - <std[73adb7dc35730857]::sys::stdio::unix::Stderr as std[73adb7dc35730857]::io::Write>::write_fmt
[INFO] [stdout]                                at /rustc/6b3fa26749ab40e159b2dd5cf577acaaf5902772/library/std/src/io/mod.rs:1730:13
[INFO] [stdout]    8:     0x5b2df4ac4e16 - <std[73adb7dc35730857]::sys::backtrace::BacktraceLock>::print
[INFO] [stdout] ```
[INFO] [stdout] <30 lines omitted>
[INFO] [stdout] ```
[INFO] [stdout]                                at /rustc/6b3fa26749ab40e159b2dd5cf577acaaf5902772/library/alloc/src/vec/mod.rs:3941:9
[INFO] [stdout]   24:     0x5b2df497408e - <core[6883ba1bc0fe4ed1]::iter::adapters::map::Map<core[6883ba1bc0fe4ed1]::iter::adapters::flatten::Flatten<core[6883ba1bc0fe4ed1]::slice::iter::Iter<alloc[55a36b64bcbf2c0d]::vec::Vec<clap[965b0170b9d3cf34]::parser::matches::any_value::AnyValue>>>, <clap[965b0170b9d3cf34]::parser::matches::arg_matches::ArgMatches>::values_of_lossy<&str>::{closure#0}> as core[6883ba1bc0fe4ed1]::iter::traits::iterator::Iterator>::collect::<alloc[55a36b64bcbf2c0d]::vec::Vec<alloc[55a36b64bcbf2c0d]::string::String>>
[INFO] [stdout]                                at /rustc/6b3fa26749ab40e159b2dd5cf577acaaf5902772/library/core/src/iter/traits/iterator.rs:2090:9
[INFO] [stdout]   25:     0x5b2df496e166 - <clap[965b0170b9d3cf34]::parser::matches::arg_matches::ArgMatches>::values_of_lossy::<&str>
[INFO] [stdout]                                at /opt/rustwide/cargo-home/registry/src/index.crates.io-1949cf8c6b5b557f/clap-3.2.25/src/parser/matches/arg_matches.rs:548:14
[INFO] [stdout]   26:     0x5b2df497818b - command_line_rust[2a7d65b3375657d0]::head::get_args
[INFO] [stdout]                                at /opt/rustwide/workdir/src/head/mod.rs:92:24
[INFO] [stdout]   27:     0x5b2df496dad2 - head[5f62c2f9cff836a0]::main
[INFO] [stdout]                                at /opt/rustwide/workdir/src/head/main.rs:4:21
[INFO] [stdout]   28:     0x5b2df496dbeb - <fn() as core[6883ba1bc0fe4ed1]::ops::function::FnOnce<()>>::call_once
[INFO] [stdout]                                at /rustc/6b3fa26749ab40e159b2dd5cf577acaaf5902772/library/core/src/ops/function.rs:250:5
[INFO] [stdout]   29:     0x5b2df496da5e - std[73adb7dc35730857]::sys::backtrace::__rust_begin_short_backtrace::<fn(), ()>
[INFO] [stdout]                                at /rustc/6b3fa26749ab40e159b2dd5cf577acaaf5902772/library/std/src/sys/backtrace.rs:166:18
[INFO] [stdout]   30:     0x5b2df496da81 - std[73adb7dc35730857]::rt::lang_start::<()>::{closure#0}
[INFO] [stdout]                                at /rustc/6b3fa26749ab40e159b2dd5cf577acaaf5902772/library/std/src/rt.rs:206:18
[INFO] [stdout]   31:     0x5b2df4ad5547 - <&dyn core[6883ba1bc0fe4ed1]::ops::function::Fn<(), Output = i32> + core[6883ba1bc0fe4ed1]::panic::unwind_safe::RefUnwindSafe + core[6883ba1bc0fe4ed1]::marker::Sync as core[6883ba1bc0fe4ed1]::ops::function::FnOnce<()>>::call_once
[INFO] [stdout]                                at /rustc/6b3fa26749ab40e159b2dd5cf577acaaf5902772/library/core/src/ops/function.rs:287:21
[INFO] [stdout]   32:     0x5b2df4ad5547 - std[73adb7dc35730857]::panicking::catch_unwind::do_call::<&dyn core[6883ba1bc0fe4ed1]::ops::function::Fn<(), Output = i32> + core[6883ba1bc0fe4ed1]::panic::unwind_safe::RefUnwindSafe + core[6883ba1bc0fe4ed1]::marker::Sync, i32>
[INFO] [stdout]                                at /rustc/6b3fa26749ab40e159b2dd5cf577acaaf5902772/library/std/src/panicking.rs:576:43
[INFO] [stdout]   33:     0x5b2df4ad5547 - std[73adb7dc35730857]::panicking::catch_unwind::<i32, &dyn core[6883ba1bc0fe4ed1]::ops::function::Fn<(), Output = i32> + core[6883ba1bc0fe4ed1]::panic::unwind_safe::RefUnwindSafe + core[6883ba1bc0fe4ed1]::marker::Sync>
[INFO] [stdout]                                at /rustc/6b3fa26749ab40e159b2dd5cf577acaaf5902772/library/std/src/panicking.rs:544:19
[INFO] [stdout]   34:     0x5b2df4ad5547 - std[73adb7dc35730857]::panic::catch_unwind::<&dyn core[6883ba1bc0fe4ed1]::ops::function::Fn<(), Output = i32> + core[6883ba1bc0fe4ed1]::panic::unwind_safe::RefUnwindSafe + core[6883ba1bc0fe4ed1]::marker::Sync, i32>
[INFO] [stdout]                                at /rustc/6b3fa26749ab40e159b2dd5cf577acaaf5902772/library/std/src/panic.rs:359:14
[INFO] [stdout]   35:     0x5b2df4ad5547 - std[73adb7dc35730857]::rt::lang_start_internal::{closure#0}
[INFO] [stdout]                                at /rustc/6b3fa26749ab40e159b2dd5cf577acaaf5902772/library/std/src/rt.rs:175:24
[INFO] [stdout]   36:     0x5b2df4ad5547 - std[73adb7dc35730857]::panicking::catch_unwind::do_call::<std[73adb7dc35730857]::rt::lang_start_internal::{closure#0}, isize>
[INFO] [stdout]                                at /rustc/6b3fa26749ab40e159b2dd5cf577acaaf5902772/library/std/src/panicking.rs:576:43
[INFO] [stdout]   37:     0x5b2df4ad5547 - std[73adb7dc35730857]::panicking::catch_unwind::<isize, std[73adb7dc35730857]::rt::lang_start_internal::{closure#0}>
[INFO] [stdout]                                at /rustc/6b3fa26749ab40e159b2dd5cf577acaaf5902772/library/std/src/panicking.rs:544:19
[INFO] [stdout]   38:     0x5b2df4ad5547 - std[73adb7dc35730857]::panic::catch_unwind::<std[73adb7dc35730857]::rt::lang_start_internal::{closure#0}, isize>
[INFO] [stdout]                                at /rustc/6b3fa26749ab40e159b2dd5cf577acaaf5902772/library/std/src/panic.rs:359:14
[INFO] [stdout]   39:     0x5b2df4ad5547 - std[73adb7dc35730857]::rt::lang_start_internal
[INFO] [stdout]                                at /rustc/6b3fa26749ab40e159b2dd5cf577acaaf5902772/library/std/src/rt.rs:171:5
[INFO] [stdout]   40:     0x5b2df496da47 - std[73adb7dc35730857]::rt::lang_start::<()>
[INFO] [stdout]                                at /rustc/6b3fa26749ab40e159b2dd5cf577acaaf5902772/library/std/src/rt.rs:205:5
[INFO] [stdout]   41:     0x5b2df496dc7e - main
[INFO] [stdout]   42:     0x79f784be51ca - <unknown>
[INFO] [stdout]   43:     0x79f784be528b - __libc_start_main
[INFO] [stdout]   44:     0x5b2df496d8a5 - _start
[INFO] [stdout]   45:                0x0 - <unknown>
[INFO] [stdout] ```
[INFO] [stdout] ```
[INFO] [stdout] command=`"/opt/rustwide/target/debug/head" "tests/head/inputs/two.txt"`
[INFO] [stdout] code=101
[INFO] [stdout] stdout=""
[INFO] [stdout] stderr=<90 lines total>
[INFO] [stdout] ```
[INFO] [stdout] 
[INFO] [stdout] thread \'main\' (3335) panicked at /opt/rustwide/cargo-home/registry/src/index.crates.io-1949cf8c6b5b557f/clap-3.2.25/src/parser/matches/arg_matches.rs:547:22:
[INFO] [stdout] Must use `Arg::allow_invalid_utf8` with `_os` lookups at `files`
[INFO] [stdout] stack backtrace:
[INFO] [stdout]    0:     0x5b2df4ada601 - std[73adb7dc35730857]::backtrace_rs::backtrace::libunwind::trace
[INFO] [stdout]                                at /rustc/6b3fa26749ab40e159b2dd5cf577acaaf5902772/library/std/src/../../backtrace/src/backtrace/libunwind.rs:117:9
[INFO] [stdout]    1:     0x5b2df4ada601 - std[73adb7dc35730857]::backtrace_rs::backtrace::trace_unsynchronized::<std[73adb7dc35730857]::sys::backtrace::_print_fmt::{closure#1}>
[INFO] [stdout]                                at /rustc/6b3fa26749ab40e159b2dd5cf577acaaf5902772/library/std/src/../../backtrace/src/backtrace/mod.rs:66:14
[INFO] [stdout]    2:     0x5b2df4ada601 - std[73adb7dc35730857]::sys::backtrace::_print_fmt
[INFO] [stdout]                                at /rustc/6b3fa26749ab40e159b2dd5cf577acaaf5902772/library/std/src/sys/backtrace.rs:74:9
[INFO] [stdout]    3:     0x5b2df4ada601 - <<std[73adb7dc35730857]::sys::backtrace::BacktraceLock>::print::DisplayBacktrace as core[6883ba1bc0fe4ed1]::fmt::Display>::fmt
[INFO] [stdout]                                at /rustc/6b3fa26749ab40e159b2dd5cf577acaaf5902772/library/std/src/sys/backtrace.rs:44:26
[INFO] [stdout]    4:     0x5b2df4aee28a - <core[6883ba1bc0fe4ed1]::fmt::rt::Argument>::fmt
[INFO] [stdout]                                at /rustc/6b3fa26749ab40e159b2dd5cf577acaaf5902772/library/core/src/fmt/rt.rs:152:76
[INFO] [stdout]    5:     0x5b2df4aee28a - core[6883ba1bc0fe4ed1]::fmt::write
[INFO] [stdout]    6:     0x5b2df4adfcec - std[73adb7dc35730857]::io::default_write_fmt::<std[73adb7dc35730857]::sys::stdio::unix::Stderr>
[INFO] [stdout]                                at /rustc/6b3fa26749ab40e159b2dd5cf577acaaf5902772/library/std/src/io/mod.rs:626:11
[INFO] [stdout]    7:     0x5b2df4adfcec - <std[73adb7dc35730857]::sys::stdio::unix::Stderr as std[73adb7dc35730857]::io::Write>::write_fmt
[INFO] [stdout]                                at /rustc/6b3fa26749ab40e159b2dd5cf577acaaf5902772/library/std/src/io/mod.rs:1730:13
[INFO] [stdout]    8:     0x5b2df4ac4e16 - <std[73adb7dc35730857]::sys::backtrace::BacktraceLock>::print
[INFO] [stdout] ```
[INFO] [stdout] <30 lines omitted>
[INFO] [stdout] ```
[INFO] [stdout]                                at /rustc/6b3fa26749ab40e159b2dd5cf577acaaf5902772/library/alloc/src/vec/mod.rs:3941:9
[INFO] [stdout]   24:     0x5b2df497408e - <core[6883ba1bc0fe4ed1]::iter::adapters::map::Map<core[6883ba1bc0fe4ed1]::iter::adapters::flatten::Flatten<core[6883ba1bc0fe4ed1]::slice::iter::Iter<alloc[55a36b64bcbf2c0d]::vec::Vec<clap[965b0170b9d3cf34]::parser::matches::any_value::AnyValue>>>, <clap[965b0170b9d3cf34]::parser::matches::arg_matches::ArgMatches>::values_of_lossy<&str>::{closure#0}> as core[6883ba1bc0fe4ed1]::iter::traits::iterator::Iterator>::collect::<alloc[55a36b64bcbf2c0d]::vec::Vec<alloc[55a36b64bcbf2c0d]::string::String>>
[INFO] [stdout]                                at /rustc/6b3fa26749ab40e159b2dd5cf577acaaf5902772/library/core/src/iter/traits/iterator.rs:2090:9
[INFO] [stdout]   25:     0x5b2df496e166 - <clap[965b0170b9d3cf34]::parser::matches::arg_matches::ArgMatches>::values_of_lossy::<&str>
[INFO] [stdout]                                at /opt/rustwide/cargo-home/registry/src/index.crates.io-1949cf8c6b5b557f/clap-3.2.25/src/parser/matches/arg_matches.rs:548:14
[INFO] [stdout]   26:     0x5b2df497818b - command_line_rust[2a7d65b3375657d0]::head::get_args
[INFO] [stdout]                                at /opt/rustwide/workdir/src/head/mod.rs:92:24
[INFO] [stdout]   27:     0x5b2df496dad2 - head[5f62c2f9cff836a0]::main
[INFO] [stdout]                                at /opt/rustwide/workdir/src/head/main.rs:4:21
[INFO] [stdout]   28:     0x5b2df496dbeb - <fn() as core[6883ba1bc0fe4ed1]::ops::function::FnOnce<()>>::call_once
[INFO] [stdout]                                at /rustc/6b3fa26749ab40e159b2dd5cf577acaaf5902772/library/core/src/ops/function.rs:250:5
[INFO] [stdout]   29:     0x5b2df496da5e - std[73adb7dc35730857]::sys::backtrace::__rust_begin_short_backtrace::<fn(), ()>
[INFO] [stdout]                                at /rustc/6b3fa26749ab40e159b2dd5cf577acaaf5902772/library/std/src/sys/backtrace.rs:166:18
[INFO] [stdout]   30:     0x5b2df496da81 - std[73adb7dc35730857]::rt::lang_start::<()>::{closure#0}
[INFO] [stdout]                                at /rustc/6b3fa26749ab40e159b2dd5cf577acaaf5902772/library/std/src/rt.rs:206:18
[INFO] [stdout]   31:     0x5b2df4ad5547 - <&dyn core[6883ba1bc0fe4ed1]::ops::function::Fn<(), Output = i32> + core[6883ba1bc0fe4ed1]::panic::unwind_safe::RefUnwindSafe + core[6883ba1bc0fe4ed1]::marker::Sync as core[6883ba1bc0fe4ed1]::ops::function::FnOnce<()>>::call_once
[INFO] [stdout]                                at /rustc/6b3fa26749ab40e159b2dd5cf577acaaf5902772/library/core/src/ops/function.rs:287:21
[INFO] [stdout]   32:     0x5b2df4ad5547 - std[73adb7dc35730857]::panicking::catch_unwind::do_call::<&dyn core[6883ba1bc0fe4ed1]::ops::function::Fn<(), Output = i32> + core[6883ba1bc0fe4ed1]::panic::unwind_safe::RefUnwindSafe + core[6883ba1bc0fe4ed1]::marker::Sync, i32>
[INFO] [stdout]                                at /rustc/6b3fa26749ab40e159b2dd5cf577acaaf5902772/library/std/src/panicking.rs:576:43
[INFO] [stdout]   33:     0x5b2df4ad5547 - std[73adb7dc35730857]::panicking::catch_unwind::<i32, &dyn core[6883ba1bc0fe4ed1]::ops::function::Fn<(), Output = i32> + core[6883ba1bc0fe4ed1]::panic::unwind_safe::RefUnwindSafe + core[6883ba1bc0fe4ed1]::marker::Sync>
[INFO] [stdout]                                at /rustc/6b3fa26749ab40e159b2dd5cf577acaaf5902772/library/std/src/panicking.rs:544:19
[INFO] [stdout]   34:     0x5b2df4ad5547 - std[73adb7dc35730857]::panic::catch_unwind::<&dyn core[6883ba1bc0fe4ed1]::ops::function::Fn<(), Output = i32> + core[6883ba1bc0fe4ed1]::panic::unwind_safe::RefUnwindSafe + core[6883ba1bc0fe4ed1]::marker::Sync, i32>
[INFO] [stdout]                                at /rustc/6b3fa26749ab40e159b2dd5cf577acaaf5902772/library/std/src/panic.rs:359:14
[INFO] [stdout]   35:     0x5b2df4ad5547 - std[73adb7dc35730857]::rt::lang_start_internal::{closure#0}
[INFO] [stdout]                                at /rustc/6b3fa26749ab40e159b2dd5cf577acaaf5902772/library/std/src/rt.rs:175:24
[INFO] [stdout]   36:     0x5b2df4ad5547 - std[73adb7dc35730857]::panicking::catch_unwind::do_call::<std[73adb7dc35730857]::rt::lang_start_internal::{closure#0}, isize>
[INFO] [stdout]                                at /rustc/6b3fa26749ab40e159b2dd5cf577acaaf5902772/library/std/src/panicking.rs:576:43
[INFO] [stdout]   37:     0x5b2df4ad5547 - std[73adb7dc35730857]::panicking::catch_unwind::<isize, std[73adb7dc35730857]::rt::lang_start_internal::{closure#0}>
[INFO] [stdout]                                at /rustc/6b3fa26749ab40e159b2dd5cf577acaaf5902772/library/std/src/panicking.rs:544:19
[INFO] [stdout]   38:     0x5b2df4ad5547 - std[73adb7dc35730857]::panic::catch_unwind::<std[73adb7dc35730857]::rt::lang_start_internal::{closure#0}, isize>
[INFO] [stdout]                                at /rustc/6b3fa26749ab40e159b2dd5cf577acaaf5902772/library/std/src/panic.rs:359:14
[INFO] [stdout]   39:     0x5b2df4ad5547 - std[73adb7dc35730857]::rt::lang_start_internal
[INFO] [stdout]                                at /rustc/6b3fa26749ab40e159b2dd5cf577acaaf5902772/library/std/src/rt.rs:171:5
[INFO] [stdout]   40:     0x5b2df496da47 - std[73adb7dc35730857]::rt::lang_start::<()>
[INFO] [stdout]                                at /rustc/6b3fa26749ab40e159b2dd5cf577acaaf5902772/library/std/src/rt.rs:205:5
[INFO] [stdout]   41:     0x5b2df496dc7e - main
[INFO] [stdout]   42:     0x79f784be51ca - <unknown>
[INFO] [stdout]   43:     0x79f784be528b - __libc_start_main
[INFO] [stdout]   44:     0x5b2df496d8a5 - _start
[INFO] [stdout]   45:                0x0 - <unknown>
[INFO] [stdout] ```
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] stack backtrace:
[INFO] [stdout]    0:     0x5c98fa0d5011 - std[73adb7dc35730857]::backtrace_rs::backtrace::libunwind::trace
[INFO] [stdout]                                at /rustc/6b3fa26749ab40e159b2dd5cf577acaaf5902772/library/std/src/../../backtrace/src/backtrace/libunwind.rs:117:9
[INFO] [stdout]    1:     0x5c98fa0d5011 - std[73adb7dc35730857]::backtrace_rs::backtrace::trace_unsynchronized::<std[73adb7dc35730857]::sys::backtrace::_print_fmt::{closure#1}>
[INFO] [stdout]                                at /rustc/6b3fa26749ab40e159b2dd5cf577acaaf5902772/library/std/src/../../backtrace/src/backtrace/mod.rs:66:14
[INFO] [stdout]    2:     0x5c98fa0d5011 - std[73adb7dc35730857]::sys::backtrace::_print_fmt
[INFO] [stdout]                                at /rustc/6b3fa26749ab40e159b2dd5cf577acaaf5902772/library/std/src/sys/backtrace.rs:74:9
[INFO] [stdout]    3:     0x5c98fa0d5011 - <<std[73adb7dc35730857]::sys::backtrace::BacktraceLock>::print::DisplayBacktrace as core[6883ba1bc0fe4ed1]::fmt::Display>::fmt
[INFO] [stdout]                                at /rustc/6b3fa26749ab40e159b2dd5cf577acaaf5902772/library/std/src/sys/backtrace.rs:44:26
[INFO] [stdout]    4:     0x5c98fa0eb71a - <core[6883ba1bc0fe4ed1]::fmt::rt::Argument>::fmt
[INFO] [stdout]                                at /rustc/6b3fa26749ab40e159b2dd5cf577acaaf5902772/library/core/src/fmt/rt.rs:152:76
[INFO] [stdout]    5:     0x5c98fa0eb71a - core[6883ba1bc0fe4ed1]::fmt::write
[INFO] [stdout]    6:     0x5c98fa0da99c - std[73adb7dc35730857]::io::default_write_fmt::<alloc[55a36b64bcbf2c0d]::vec::Vec<u8>>
[INFO] [stdout]                                at /rustc/6b3fa26749ab40e159b2dd5cf577acaaf5902772/library/std/src/io/mod.rs:626:11
[INFO] [stdout]    7:     0x5c98fa0da99c - <alloc[55a36b64bcbf2c0d]::vec::Vec<u8> as std[73adb7dc35730857]::io::Write>::write_fmt
[INFO] [stdout]                                at /rustc/6b3fa26749ab40e159b2dd5cf577acaaf5902772/library/std/src/io/mod.rs:1730:13
[INFO] [stdout]    8:     0x5c98fa0b2986 - <std[73adb7dc35730857]::sys::backtrace::BacktraceLock>::print
[INFO] [stdout]                                at /rustc/6b3fa26749ab40e159b2dd5cf577acaaf5902772/library/std/src/sys/backtrace.rs:47:9
[INFO] [stdout]    9:     0x5c98fa0b2986 - std[73adb7dc35730857]::panicking::default_hook::{closure#0}
[INFO] [stdout]                                at /rustc/6b3fa26749ab40e159b2dd5cf577acaaf5902772/library/std/src/panicking.rs:292:27
[INFO] [stdout]   10:     0x5c98fa0ccd09 - std[73adb7dc35730857]::panicking::default_hook
[INFO] [stdout]                                at /rustc/6b3fa26749ab40e159b2dd5cf577acaaf5902772/library/std/src/panicking.rs:316:9
[INFO] [stdout]   11:     0x5c98f9e5fc40 - <alloc[55a36b64bcbf2c0d]::boxed::Box<dyn for<'a, 'b> core[6883ba1bc0fe4ed1]::ops::function::Fn<(&'a std[73adb7dc35730857]::panic::PanicHookInfo<'b>,), Output = ()> + core[6883ba1bc0fe4ed1]::marker::Send + core[6883ba1bc0fe4ed1]::marker::Sync> as core[6883ba1bc0fe4ed1]::ops::function::Fn<(&std[73adb7dc35730857]::panic::PanicHookInfo,)>>::call
[INFO] [stdout]                                at /rustc/6b3fa26749ab40e159b2dd5cf577acaaf5902772/library/alloc/src/boxed.rs:2333:9
[INFO] [stdout]   12:     0x5c98f9e5fc40 - test[980ffaebd391d06d]::test_main_inner::<test[980ffaebd391d06d]::test_main_static::{closure#0}>::{closure#0}
[INFO] [stdout]                                at /rustc/6b3fa26749ab40e159b2dd5cf577acaaf5902772/library/test/src/lib.rs:155:21
[INFO] [stdout]   13:     0x5c98fa0ccec2 - <alloc[55a36b64bcbf2c0d]::boxed::Box<dyn for<'a, 'b> core[6883ba1bc0fe4ed1]::ops::function::Fn<(&'a std[73adb7dc35730857]::panic::PanicHookInfo<'b>,), Output = ()> + core[6883ba1bc0fe4ed1]::marker::Send + core[6883ba1bc0fe4ed1]::marker::Sync> as core[6883ba1bc0fe4ed1]::ops::function::Fn<(&std[73adb7dc35730857]::panic::PanicHookInfo,)>>::call
[INFO] [stdout]                                at /rustc/6b3fa26749ab40e159b2dd5cf577acaaf5902772/library/alloc/src/boxed.rs:2333:9
[INFO] [stdout]   14:     0x5c98fa0ccec2 - std[73adb7dc35730857]::panicking::panic_with_hook
[INFO] [stdout]                                at /rustc/6b3fa26749ab40e159b2dd5cf577acaaf5902772/library/std/src/panicking.rs:823:13
[INFO] [stdout]   15:     0x5c98fa0b2a32 - std[73adb7dc35730857]::panicking::panic_handler::{closure#0}
[INFO] [stdout]                                at /rustc/6b3fa26749ab40e159b2dd5cf577acaaf5902772/library/std/src/panicking.rs:688:13
[INFO] [stdout]   16:     0x5c98fa0aa1d9 - std[73adb7dc35730857]::sys::backtrace::__rust_end_short_backtrace::<std[73adb7dc35730857]::panicking::panic_handler::{closure#0}, !>
[INFO] [stdout]                                at /rustc/6b3fa26749ab40e159b2dd5cf577acaaf5902772/library/std/src/sys/backtrace.rs:182:18
[INFO] [stdout]   17:     0x5c98fa0b362d - __rustc[a7b7b02e776dd976]::rust_begin_unwind
[INFO] [stdout]                                at /rustc/6b3fa26749ab40e159b2dd5cf577acaaf5902772/library/std/src/panicking.rs:679:5
[INFO] [stdout]   18:     0x5c98fa0ebf9c - core[6883ba1bc0fe4ed1]::panicking::panic_fmt
[INFO] [stdout]                                at /rustc/6b3fa26749ab40e159b2dd5cf577acaaf5902772/library/core/src/panicking.rs:80:14
[INFO] [stdout]   19:     0x5c98fa03b8b8 - core[6883ba1bc0fe4ed1]::panicking::panic_display::<assert_cmd[35418449b5f7a4b8]::assert::AssertError>
[INFO] [stdout]                                at /rustc/6b3fa26749ab40e159b2dd5cf577acaaf5902772/library/core/src/panicking.rs:259:5
[INFO] [stdout]   20:     0x5c98fa0426c7 - <assert_cmd[35418449b5f7a4b8]::assert::AssertError>::panic::<assert_cmd[35418449b5f7a4b8]::assert::Assert>
[INFO] [stdout]                                at /opt/rustwide/cargo-home/registry/src/index.crates.io-1949cf8c6b5b557f/assert_cmd-2.0.11/src/assert.rs:1033:9
[INFO] [stdout]   21:     0x5c98fa038947 - <<assert_cmd[35418449b5f7a4b8]::assert::AssertError>::panic<assert_cmd[35418449b5f7a4b8]::assert::Assert> as core[6883ba1bc0fe4ed1]::ops::function::FnOnce<(assert_cmd[35418449b5f7a4b8]::assert::AssertError,)>>::call_once
[INFO] [stdout]                                at /rustc/6b3fa26749ab40e159b2dd5cf577acaaf5902772/library/core/src/ops/function.rs:250:5
[INFO] [stdout]   22:     0x5c98fa041dfb - <core[6883ba1bc0fe4ed1]::result::Result<assert_cmd[35418449b5f7a4b8]::assert::Assert, assert_cmd[35418449b5f7a4b8]::assert::AssertError>>::unwrap_or_else::<<assert_cmd[35418449b5f7a4b8]::assert::AssertError>::panic<assert_cmd[35418449b5f7a4b8]::assert::Assert>>
[INFO] [stdout]                                at /rustc/6b3fa26749ab40e159b2dd5cf577acaaf5902772/library/core/src/result.rs:1620:23
[INFO] [stdout]   23:     0x5c98fa0442a0 - <assert_cmd[35418449b5f7a4b8]::assert::Assert>::success
[INFO] [stdout]                                at /opt/rustwide/cargo-home/registry/src/index.crates.io-1949cf8c6b5b557f/assert_cmd-2.0.11/src/assert.rs:158:28
[INFO] [stdout]   24:     0x5c98f9e4c073 - lib[ef69c164f1f8dd99]::head::run
[INFO] [stdout]                                at /opt/rustwide/workdir/tests/head/mod.rs:105:10
[INFO] [stdout]   25:     0x5c98f9e4dede - lib[ef69c164f1f8dd99]::head::two
[INFO] [stdout]                                at /opt/rustwide/workdir/tests/head/mod.rs:223:5
[INFO] [stdout]   26:     0x5c98f9e47ab7 - lib[ef69c164f1f8dd99]::head::two::{closure#0}
[INFO] [stdout]                                at /opt/rustwide/workdir/tests/head/mod.rs:222:13
[INFO] [stdout]   27:     0x5c98f9e525d6 - <lib[ef69c164f1f8dd99]::head::two::{closure#0} as core[6883ba1bc0fe4ed1]::ops::function::FnOnce<()>>::call_once
[INFO] [stdout]                                at /rustc/6b3fa26749ab40e159b2dd5cf577acaaf5902772/library/core/src/ops/function.rs:250:5
[INFO] [stdout]   28:     0x5c98f9e52f7b - <fn() -> core[6883ba1bc0fe4ed1]::result::Result<(), alloc[55a36b64bcbf2c0d]::string::String> as core[6883ba1bc0fe4ed1]::ops::function::FnOnce<()>>::call_once
[INFO] [stdout]                                at /rustc/6b3fa26749ab40e159b2dd5cf577acaaf5902772/library/core/src/ops/function.rs:250:5
[INFO] [stdout]   29:     0x5c98f9e52f7b - test[980ffaebd391d06d]::__rust_begin_short_backtrace::<core[6883ba1bc0fe4ed1]::result::Result<(), alloc[55a36b64bcbf2c0d]::string::String>, fn() -> core[6883ba1bc0fe4ed1]::result::Result<(), alloc[55a36b64bcbf2c0d]::string::String>>
[INFO] [stdout]                                at /rustc/6b3fa26749ab40e159b2dd5cf577acaaf5902772/library/test/src/lib.rs:724:18
[INFO] [stdout]   30:     0x5c98f9e605c5 - test[980ffaebd391d06d]::run_test_in_process::{closure#0}
[INFO] [stdout]                                at /rustc/6b3fa26749ab40e159b2dd5cf577acaaf5902772/library/test/src/lib.rs:747:74
[INFO] [stdout]   31:     0x5c98f9e605c5 - <core[6883ba1bc0fe4ed1]::panic::unwind_safe::AssertUnwindSafe<test[980ffaebd391d06d]::run_test_in_process::{closure#0}> as core[6883ba1bc0fe4ed1]::ops::function::FnOnce<()>>::call_once
[INFO] [stdout]                                at /rustc/6b3fa26749ab40e159b2dd5cf577acaaf5902772/library/core/src/panic/unwind_safe.rs:275:9
[INFO] [stdout]   32:     0x5c98f9e605c5 - std[73adb7dc35730857]::panicking::catch_unwind::do_call::<core[6883ba1bc0fe4ed1]::panic::unwind_safe::AssertUnwindSafe<test[980ffaebd391d06d]::run_test_in_process::{closure#0}>, core[6883ba1bc0fe4ed1]::result::Result<(), alloc[55a36b64bcbf2c0d]::string::String>>
[INFO] [stdout]                                at /rustc/6b3fa26749ab40e159b2dd5cf577acaaf5902772/library/std/src/panicking.rs:576:43
[INFO] [stdout]   33:     0x5c98f9e605c5 - std[73adb7dc35730857]::panicking::catch_unwind::<core[6883ba1bc0fe4ed1]::result::Result<(), alloc[55a36b64bcbf2c0d]::string::String>, core[6883ba1bc0fe4ed1]::panic::unwind_safe::AssertUnwindSafe<test[980ffaebd391d06d]::run_test_in_process::{closure#0}>>
[INFO] [stdout]                                at /rustc/6b3fa26749ab40e159b2dd5cf577acaaf5902772/library/std/src/panicking.rs:544:19
[INFO] [stdout]   34:     0x5c98f9e605c5 - std[73adb7dc35730857]::panic::catch_unwind::<core[6883ba1bc0fe4ed1]::panic::unwind_safe::AssertUnwindSafe<test[980ffaebd391d06d]::run_test_in_process::{closure#0}>, core[6883ba1bc0fe4ed1]::result::Result<(), alloc[55a36b64bcbf2c0d]::string::String>>
[INFO] [stdout]                                at /rustc/6b3fa26749ab40e159b2dd5cf577acaaf5902772/library/std/src/panic.rs:359:14
[INFO] [stdout]   35:     0x5c98f9e605c5 - test[980ffaebd391d06d]::run_test_in_process
[INFO] [stdout]                                at /rustc/6b3fa26749ab40e159b2dd5cf577acaaf5902772/library/test/src/lib.rs:747:27
[INFO] [stdout]   36:     0x5c98f9e605c5 - test[980ffaebd391d06d]::run_test::{closure#0}
[INFO] [stdout]                                at /rustc/6b3fa26749ab40e159b2dd5cf577acaaf5902772/library/test/src/lib.rs:668:43
[INFO] [stdout]   37:     0x5c98f9e5b074 - test[980ffaebd391d06d]::run_test::{closure#1}
[INFO] [stdout]                                at /rustc/6b3fa26749ab40e159b2dd5cf577acaaf5902772/library/test/src/lib.rs:698:41
[INFO] [stdout]   38:     0x5c98f9e5b074 - std[73adb7dc35730857]::sys::backtrace::__rust_begin_short_backtrace::<test[980ffaebd391d06d]::run_test::{closure#1}, ()>
[INFO] [stdout]                                at /rustc/6b3fa26749ab40e159b2dd5cf577acaaf5902772/library/std/src/sys/backtrace.rs:166:18
[INFO] [stdout]   39:     0x5c98f9e63712 - std[73adb7dc35730857]::thread::lifecycle::spawn_unchecked::<test[980ffaebd391d06d]::run_test::{closure#1}, ()>::{closure#1}::{closure#0}
[INFO] [stdout]                                at /rustc/6b3fa26749ab40e159b2dd5cf577acaaf5902772/library/std/src/thread/lifecycle.rs:70:13
[INFO] [stdout]   40:     0x5c98f9e63712 - <core[6883ba1bc0fe4ed1]::panic::unwind_safe::AssertUnwindSafe<std[73adb7dc35730857]::thread::lifecycle::spawn_unchecked<test[980ffaebd391d06d]::run_test::{closure#1}, ()>::{closure#1}::{closure#0}> as core[6883ba1bc0fe4ed1]::ops::function::FnOnce<()>>::call_once
[INFO] [stdout]                                at /rustc/6b3fa26749ab40e159b2dd5cf577acaaf5902772/library/core/src/panic/unwind_safe.rs:275:9
[INFO] [stdout]   41:     0x5c98f9e63712 - std[73adb7dc35730857]::panicking::catch_unwind::do_call::<core[6883ba1bc0fe4ed1]::panic::unwind_safe::AssertUnwindSafe<std[73adb7dc35730857]::thread::lifecycle::spawn_unchecked<test[980ffaebd391d06d]::run_test::{closure#1}, ()>::{closure#1}::{closure#0}>, ()>
[INFO] [stdout]                                at /rustc/6b3fa26749ab40e159b2dd5cf577acaaf5902772/library/std/src/panicking.rs:576:43
[INFO] [stdout]   42:     0x5c98f9e63712 - std[73adb7dc35730857]::panicking::catch_unwind::<(), core[6883ba1bc0fe4ed1]::panic::unwind_safe::AssertUnwindSafe<std[73adb7dc35730857]::thread::lifecycle::spawn_unchecked<test[980ffaebd391d06d]::run_test::{closure#1}, ()>::{closure#1}::{closure#0}>>
[INFO] [stdout]                                at /rustc/6b3fa26749ab40e159b2dd5cf577acaaf5902772/library/std/src/panicking.rs:544:19
[INFO] [stdout]   43:     0x5c98f9e63712 - std[73adb7dc35730857]::panic::catch_unwind::<core[6883ba1bc0fe4ed1]::panic::unwind_safe::AssertUnwindSafe<std[73adb7dc35730857]::thread::lifecycle::spawn_unchecked<test[980ffaebd391d06d]::run_test::{closure#1}, ()>::{closure#1}::{closure#0}>, ()>
[INFO] [stdout]                                at /rustc/6b3fa26749ab40e159b2dd5cf577acaaf5902772/library/std/src/panic.rs:359:14
[INFO] [stdout]   44:     0x5c98f9e63712 - std[73adb7dc35730857]::thread::lifecycle::spawn_unchecked::<test[980ffaebd391d06d]::run_test::{closure#1}, ()>::{closure#1}
[INFO] [stdout]                                at /rustc/6b3fa26749ab40e159b2dd5cf577acaaf5902772/library/std/src/thread/lifecycle.rs:68:26
[INFO] [stdout]   45:     0x5c98f9e63712 - <std[73adb7dc35730857]::thread::lifecycle::spawn_unchecked<test[980ffaebd391d06d]::run_test::{closure#1}, ()>::{closure#1} as core[6883ba1bc0fe4ed1]::ops::function::FnOnce<()>>::call_once::{shim:vtable#0}
[INFO] [stdout]                                at /rustc/6b3fa26749ab40e159b2dd5cf577acaaf5902772/library/core/src/ops/function.rs:250:5
[INFO] [stdout]   46:     0x5c98fa0d44af - <alloc[55a36b64bcbf2c0d]::boxed::Box<dyn core[6883ba1bc0fe4ed1]::ops::function::FnOnce<(), Output = ()> + core[6883ba1bc0fe4ed1]::marker::Send> as core[6883ba1bc0fe4ed1]::ops::function::FnOnce<()>>::call_once
[INFO] [stdout]                                at /rustc/6b3fa26749ab40e159b2dd5cf577acaaf5902772/library/alloc/src/boxed.rs:2319:9
[INFO] [stdout]   47:     0x5c98fa0d44af - <std[73adb7dc35730857]::sys::thread::unix::Thread>::new::thread_start
[INFO] [stdout]                                at /rustc/6b3fa26749ab40e159b2dd5cf577acaaf5902772/library/std/src/sys/thread/unix.rs:123:17
[INFO] [stdout]   48:     0x718092357aa4 - <unknown>
[INFO] [stdout]   49:     0x7180923e4a64 - clone
[INFO] [stdout]   50:                0x0 - <unknown>
[INFO] [stdout] 
[INFO] [stdout] ---- head::two_c4_stdin stdout ----
[INFO] [stdout] 
[INFO] [stdout] thread 'head::two_c4_stdin' (3351) panicked at /rustc/6b3fa26749ab40e159b2dd5cf577acaaf5902772/library/core/src/ops/function.rs:250:5:
[INFO] [stdout] Unexpected stdout, failed var == [
[INFO] [stdout]     84,
[INFO] [stdout]     119,
[INFO] [stdout]     111,
[INFO] [stdout]     32,
[INFO] [stdout] ]
[INFO] [stdout] └── var: []
[INFO] [stdout] 
[INFO] [stdout] command=`"/opt/rustwide/target/debug/head" "-c" "4"`
[INFO] [stdout] stdin=````
[INFO] [stdout] Two lines.
[INFO] [stdout] Four words.
[INFO] [stdout] ```
[INFO] [stdout] `
[INFO] [stdout] code=101
[INFO] [stdout] stdout=""
[INFO] [stdout] stderr=<90 lines total>
[INFO] [stdout] ```
[INFO] [stdout] 
[INFO] [stdout] thread \'main\' (3352) panicked at /opt/rustwide/cargo-home/registry/src/index.crates.io-1949cf8c6b5b557f/clap-3.2.25/src/parser/matches/arg_matches.rs:547:22:
[INFO] [stdout] Must use `Arg::allow_invalid_utf8` with `_os` lookups at `files`
[INFO] [stdout] stack backtrace:
[INFO] [stdout]    0:     0x60772ebc8601 - std[73adb7dc35730857]::backtrace_rs::backtrace::libunwind::trace
[INFO] [stdout]                                at /rustc/6b3fa26749ab40e159b2dd5cf577acaaf5902772/library/std/src/../../backtrace/src/backtrace/libunwind.rs:117:9
[INFO] [stdout]    1:     0x60772ebc8601 - std[73adb7dc35730857]::backtrace_rs::backtrace::trace_unsynchronized::<std[73adb7dc35730857]::sys::backtrace::_print_fmt::{closure#1}>
[INFO] [stdout]                                at /rustc/6b3fa26749ab40e159b2dd5cf577acaaf5902772/library/std/src/../../backtrace/src/backtrace/mod.rs:66:14
[INFO] [stdout]    2:     0x60772ebc8601 - std[73adb7dc35730857]::sys::backtrace::_print_fmt
[INFO] [stdout]                                at /rustc/6b3fa26749ab40e159b2dd5cf577acaaf5902772/library/std/src/sys/backtrace.rs:74:9
[INFO] [stdout]    3:     0x60772ebc8601 - <<std[73adb7dc35730857]::sys::backtrace::BacktraceLock>::print::DisplayBacktrace as core[6883ba1bc0fe4ed1]::fmt::Display>::fmt
[INFO] [stdout]                                at /rustc/6b3fa26749ab40e159b2dd5cf577acaaf5902772/library/std/src/sys/backtrace.rs:44:26
[INFO] [stdout]    4:     0x60772ebdc28a - <core[6883ba1bc0fe4ed1]::fmt::rt::Argument>::fmt
[INFO] [stdout]                                at /rustc/6b3fa26749ab40e159b2dd5cf577acaaf5902772/library/core/src/fmt/rt.rs:152:76
[INFO] [stdout]    5:     0x60772ebdc28a - core[6883ba1bc0fe4ed1]::fmt::write
[INFO] [stdout]    6:     0x60772ebcdcec - std[73adb7dc35730857]::io::default_write_fmt::<std[73adb7dc35730857]::sys::stdio::unix::Stderr>
[INFO] [stdout]                                at /rustc/6b3fa26749ab40e159b2dd5cf577acaaf5902772/library/std/src/io/mod.rs:626:11
[INFO] [stdout]    7:     0x60772ebcdcec - <std[73adb7dc35730857]::sys::stdio::unix::Stderr as std[73adb7dc35730857]::io::Write>::write_fmt
[INFO] [stdout]                                at /rustc/6b3fa26749ab40e159b2dd5cf577acaaf5902772/library/std/src/io/mod.rs:1730:13
[INFO] [stdout]    8:     0x60772ebb2e16 - <std[73adb7dc35730857]::sys::backtrace::BacktraceLock>::print
[INFO] [stdout] ```
[INFO] [stdout] <30 lines omitted>
[INFO] [stdout] ```
[INFO] [stdout]                                at /rustc/6b3fa26749ab40e159b2dd5cf577acaaf5902772/library/alloc/src/vec/mod.rs:3941:9
[INFO] [stdout]   24:     0x60772ea6208e - <core[6883ba1bc0fe4ed1]::iter::adapters::map::Map<core[6883ba1bc0fe4ed1]::iter::adapters::flatten::Flatten<core[6883ba1bc0fe4ed1]::slice::iter::Iter<alloc[55a36b64bcbf2c0d]::vec::Vec<clap[965b0170b9d3cf34]::parser::matches::any_value::AnyValue>>>, <clap[965b0170b9d3cf34]::parser::matches::arg_matches::ArgMatches>::values_of_lossy<&str>::{closure#0}> as core[6883ba1bc0fe4ed1]::iter::traits::iterator::Iterator>::collect::<alloc[55a36b64bcbf2c0d]::vec::Vec<alloc[55a36b64bcbf2c0d]::string::String>>
[INFO] [stdout]                                at /rustc/6b3fa26749ab40e159b2dd5cf577acaaf5902772/library/core/src/iter/traits/iterator.rs:2090:9
[INFO] [stdout]   25:     0x60772ea5c166 - <clap[965b0170b9d3cf34]::parser::matches::arg_matches::ArgMatches>::values_of_lossy::<&str>
[INFO] [stdout]                                at /opt/rustwide/cargo-home/registry/src/index.crates.io-1949cf8c6b5b557f/clap-3.2.25/src/parser/matches/arg_matches.rs:548:14
[INFO] [stdout]   26:     0x60772ea6618b - command_line_rust[2a7d65b3375657d0]::head::get_args
[INFO] [stdout]                                at /opt/rustwide/workdir/src/head/mod.rs:92:24
[INFO] [stdout]   27:     0x60772ea5bad2 - head[5f62c2f9cff836a0]::main
[INFO] [stdout]                                at /opt/rustwide/workdir/src/head/main.rs:4:21
[INFO] [stdout]   28:     0x60772ea5bbeb - <fn() as core[6883ba1bc0fe4ed1]::ops::function::FnOnce<()>>::call_once
[INFO] [stdout]                                at /rustc/6b3fa26749ab40e159b2dd5cf577acaaf5902772/library/core/src/ops/function.rs:250:5
[INFO] [stdout]   29:     0x60772ea5ba5e - std[73adb7dc35730857]::sys::backtrace::__rust_begin_short_backtrace::<fn(), ()>
[INFO] [stdout]                                at /rustc/6b3fa26749ab40e159b2dd5cf577acaaf5902772/library/std/src/sys/backtrace.rs:166:18
[INFO] [stdout]   30:     0x60772ea5ba81 - std[73adb7dc35730857]::rt::lang_start::<()>::{closure#0}
[INFO] [stdout]                                at /rustc/6b3fa26749ab40e159b2dd5cf577acaaf5902772/library/std/src/rt.rs:206:18
[INFO] [stdout]   31:     0x60772ebc3547 - <&dyn core[6883ba1bc0fe4ed1]::ops::function::Fn<(), Output = i32> + core[6883ba1bc0fe4ed1]::panic::unwind_safe::RefUnwindSafe + core[6883ba1bc0fe4ed1]::marker::Sync as core[6883ba1bc0fe4ed1]::ops::function::FnOnce<()>>::call_once
[INFO] [stdout]                                at /rustc/6b3fa26749ab40e159b2dd5cf577acaaf5902772/library/core/src/ops/function.rs:287:21
[INFO] [stdout]   32:     0x60772ebc3547 - std[73adb7dc35730857]::panicking::catch_unwind::do_call::<&dyn core[6883ba1bc0fe4ed1]::ops::function::Fn<(), Output = i32> + core[6883ba1bc0fe4ed1]::panic::unwind_safe::RefUnwindSafe + core[6883ba1bc0fe4ed1]::marker::Sync, i32>
[INFO] [stdout]                                at /rustc/6b3fa26749ab40e159b2dd5cf577acaaf5902772/library/std/src/panicking.rs:576:43
[INFO] [stdout]   33:     0x60772ebc3547 - std[73adb7dc35730857]::panicking::catch_unwind::<i32, &dyn core[6883ba1bc0fe4ed1]::ops::function::Fn<(), Output = i32> + core[6883ba1bc0fe4ed1]::panic::unwind_safe::RefUnwindSafe + core[6883ba1bc0fe4ed1]::marker::Sync>
[INFO] [stdout]                                at /rustc/6b3fa26749ab40e159b2dd5cf577acaaf5902772/library/std/src/panicking.rs:544:19
[INFO] [stdout]   34:     0x60772ebc3547 - std[73adb7dc35730857]::panic::catch_unwind::<&dyn core[6883ba1bc0fe4ed1]::ops::function::Fn<(), Output = i32> + core[6883ba1bc0fe4ed1]::panic::unwind_safe::RefUnwindSafe + core[6883ba1bc0fe4ed1]::marker::Sync, i32>
[INFO] [stdout]                                at /rustc/6b3fa26749ab40e159b2dd5cf577acaaf5902772/library/std/src/panic.rs:359:14
[INFO] [stdout]   35:     0x60772ebc3547 - std[73adb7dc35730857]::rt::lang_start_internal::{closure#0}
[INFO] [stdout]                                at /rustc/6b3fa26749ab40e159b2dd5cf577acaaf5902772/library/std/src/rt.rs:175:24
[INFO] [stdout]   36:     0x60772ebc3547 - std[73adb7dc35730857]::panicking::catch_unwind::do_call::<std[73adb7dc35730857]::rt::lang_start_internal::{closure#0}, isize>
[INFO] [stdout]                                at /rustc/6b3fa26749ab40e159b2dd5cf577acaaf5902772/library/std/src/panicking.rs:576:43
[INFO] [stdout]   37:     0x60772ebc3547 - std[73adb7dc35730857]::panicking::catch_unwind::<isize, std[73adb7dc35730857]::rt::lang_start_internal::{closure#0}>
[INFO] [stdout]                                at /rustc/6b3fa26749ab40e159b2dd5cf577acaaf5902772/library/std/src/panicking.rs:544:19
[INFO] [stdout]   38:     0x60772ebc3547 - std[73adb7dc35730857]::panic::catch_unwind::<std[73adb7dc35730857]::rt::lang_start_internal::{closure#0}, isize>
[INFO] [stdout]                                at /rustc/6b3fa26749ab40e159b2dd5cf577acaaf5902772/library/std/src/panic.rs:359:14
[INFO] [stdout]   39:     0x60772ebc3547 - std[73adb7dc35730857]::rt::lang_start_internal
[INFO] [stdout]                                at /rustc/6b3fa26749ab40e159b2dd5cf577acaaf5902772/library/std/src/rt.rs:171:5
[INFO] [stdout]   40:     0x60772ea5ba47 - std[73adb7dc35730857]::rt::lang_start::<()>
[INFO] [stdout]                                at /rustc/6b3fa26749ab40e159b2dd5cf577acaaf5902772/library/std/src/rt.rs:205:5
[INFO] [stdout]   41:     0x60772ea5bc7e - main
[INFO] [stdout]   42:     0x78586a9071ca - <unknown>
[INFO] [stdout]   43:     0x78586a90728b - __libc_start_main
[INFO] [stdout]   44:     0x60772ea5b8a5 - _start
[INFO] [stdout]   45:                0x0 - <unknown>
[INFO] [stdout] ```
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] stack backtrace:
[INFO] [stdout]    0:     0x5c98fa0d5011 - std[73adb7dc35730857]::backtrace_rs::backtrace::libunwind::trace
[INFO] [stdout]                                at /rustc/6b3fa26749ab40e159b2dd5cf577acaaf5902772/library/std/src/../../backtrace/src/backtrace/libunwind.rs:117:9
[INFO] [stdout]    1:     0x5c98fa0d5011 - std[73adb7dc35730857]::backtrace_rs::backtrace::trace_unsynchronized::<std[73adb7dc35730857]::sys::backtrace::_print_fmt::{closure#1}>
[INFO] [stdout]                                at /rustc/6b3fa26749ab40e159b2dd5cf577acaaf5902772/library/std/src/../../backtrace/src/backtrace/mod.rs:66:14
[INFO] [stdout]    2:     0x5c98fa0d5011 - std[73adb7dc35730857]::sys::backtrace::_print_fmt
[INFO] [stdout]                                at /rustc/6b3fa26749ab40e159b2dd5cf577acaaf5902772/library/std/src/sys/backtrace.rs:74:9
[INFO] [stdout]    3:     0x5c98fa0d5011 - <<std[73adb7dc35730857]::sys::backtrace::BacktraceLock>::print::DisplayBacktrace as core[6883ba1bc0fe4ed1]::fmt::Display>::fmt
[INFO] [stdout]                                at /rustc/6b3fa26749ab40e159b2dd5cf577acaaf5902772/library/std/src/sys/backtrace.rs:44:26
[INFO] [stdout]    4:     0x5c98fa0eb71a - <core[6883ba1bc0fe4ed1]::fmt::rt::Argument>::fmt
[INFO] [stdout]                                at /rustc/6b3fa26749ab40e159b2dd5cf577acaaf5902772/library/core/src/fmt/rt.rs:152:76
[INFO] [stdout]    5:     0x5c98fa0eb71a - core[6883ba1bc0fe4ed1]::fmt::write
[INFO] [stdout]    6:     0x5c98fa0da99c - std[73adb7dc35730857]::io::default_write_fmt::<alloc[55a36b64bcbf2c0d]::vec::Vec<u8>>
[INFO] [stdout]                                at /rustc/6b3fa26749ab40e159b2dd5cf577acaaf5902772/library/std/src/io/mod.rs:626:11
[INFO] [stdout]    7:     0x5c98fa0da99c - <alloc[55a36b64bcbf2c0d]::vec::Vec<u8> as std[73adb7dc35730857]::io::Write>::write_fmt
[INFO] [stdout]                                at /rustc/6b3fa26749ab40e159b2dd5cf577acaaf5902772/library/std/src/io/mod.rs:1730:13
[INFO] [stdout]    8:     0x5c98fa0b2986 - <std[73adb7dc35730857]::sys::backtrace::BacktraceLock>::print
[INFO] [stdout]                                at /rustc/6b3fa26749ab40e159b2dd5cf577acaaf5902772/library/std/src/sys/backtrace.rs:47:9
[INFO] [stdout]    9:     0x5c98fa0b2986 - std[73adb7dc35730857]::panicking::default_hook::{closure#0}
[INFO] [stdout]                                at /rustc/6b3fa26749ab40e159b2dd5cf577acaaf5902772/library/std/src/panicking.rs:292:27
[INFO] [stdout]   10:     0x5c98fa0ccd09 - std[73adb7dc35730857]::panicking::default_hook
[INFO] [stdout]                                at /rustc/6b3fa26749ab40e159b2dd5cf577acaaf5902772/library/std/src/panicking.rs:316:9
[INFO] [stdout]   11:     0x5c98f9e5fc40 - <alloc[55a36b64bcbf2c0d]::boxed::Box<dyn for<'a, 'b> core[6883ba1bc0fe4ed1]::ops::function::Fn<(&'a std[73adb7dc35730857]::panic::PanicHookInfo<'b>,), Output = ()> + core[6883ba1bc0fe4ed1]::marker::Send + core[6883ba1bc0fe4ed1]::marker::Sync> as core[6883ba1bc0fe4ed1]::ops::function::Fn<(&std[73adb7dc35730857]::panic::PanicHookInfo,)>>::call
[INFO] [stdout]                                at /rustc/6b3fa26749ab40e159b2dd5cf577acaaf5902772/library/alloc/src/boxed.rs:2333:9
[INFO] [stdout]   12:     0x5c98f9e5fc40 - test[980ffaebd391d06d]::test_main_inner::<test[980ffaebd391d06d]::test_main_static::{closure#0}>::{closure#0}
[INFO] [stdout]                                at /rustc/6b3fa26749ab40e159b2dd5cf577acaaf5902772/library/test/src/lib.rs:155:21
[INFO] [stdout]   13:     0x5c98fa0ccec2 - <alloc[55a36b64bcbf2c0d]::boxed::Box<dyn for<'a, 'b> core[6883ba1bc0fe4ed1]::ops::function::Fn<(&'a std[73adb7dc35730857]::panic::PanicHookInfo<'b>,), Output = ()> + core[6883ba1bc0fe4ed1]::marker::Send + core[6883ba1bc0fe4ed1]::marker::Sync> as core[6883ba1bc0fe4ed1]::ops::function::Fn<(&std[73adb7dc35730857]::panic::PanicHookInfo,)>>::call
[INFO] [stdout]                                at /rustc/6b3fa26749ab40e159b2dd5cf577acaaf5902772/library/alloc/src/boxed.rs:2333:9
[INFO] [stdout]   14:     0x5c98fa0ccec2 - std[73adb7dc35730857]::panicking::panic_with_hook
[INFO] [stdout]                                at /rustc/6b3fa26749ab40e159b2dd5cf577acaaf5902772/library/std/src/panicking.rs:823:13
[INFO] [stdout]   15:     0x5c98fa0b2a32 - std[73adb7dc35730857]::panicking::panic_handler::{closure#0}
[INFO] [stdout]                                at /rustc/6b3fa26749ab40e159b2dd5cf577acaaf5902772/library/std/src/panicking.rs:688:13
[INFO] [stdout]   16:     0x5c98fa0aa1d9 - std[73adb7dc35730857]::sys::backtrace::__rust_end_short_backtrace::<std[73adb7dc35730857]::panicking::panic_handler::{closure#0}, !>
[INFO] [stdout]                                at /rustc/6b3fa26749ab40e159b2dd5cf577acaaf5902772/library/std/src/sys/backtrace.rs:182:18
[INFO] [stdout]   17:     0x5c98fa0b362d - __rustc[a7b7b02e776dd976]::rust_begin_unwind
[INFO] [stdout]                                at /rustc/6b3fa26749ab40e159b2dd5cf577acaaf5902772/library/std/src/panicking.rs:679:5
[INFO] [stdout]   18:     0x5c98fa0ebf9c - core[6883ba1bc0fe4ed1]::panicking::panic_fmt
[INFO] [stdout]                                at /rustc/6b3fa26749ab40e159b2dd5cf577acaaf5902772/library/core/src/panicking.rs:80:14
[INFO] [stdout]   19:     0x5c98fa03b8b8 - core[6883ba1bc0fe4ed1]::panicking::panic_display::<assert_cmd[35418449b5f7a4b8]::assert::AssertError>
[INFO] [stdout]                                at /rustc/6b3fa26749ab40e159b2dd5cf577acaaf5902772/library/core/src/panicking.rs:259:5
[INFO] [stdout]   20:     0x5c98fa0426c7 - <assert_cmd[35418449b5f7a4b8]::assert::AssertError>::panic::<assert_cmd[35418449b5f7a4b8]::assert::Assert>
[INFO] [stdout]                                at /opt/rustwide/cargo-home/registry/src/index.crates.io-1949cf8c6b5b557f/assert_cmd-2.0.11/src/assert.rs:1033:9
[INFO] [stdout]   21:     0x5c98fa038947 - <<assert_cmd[35418449b5f7a4b8]::assert::AssertError>::panic<assert_cmd[35418449b5f7a4b8]::assert::Assert> as core[6883ba1bc0fe4ed1]::ops::function::FnOnce<(assert_cmd[35418449b5f7a4b8]::assert::AssertError,)>>::call_once
[INFO] [stdout]                                at /rustc/6b3fa26749ab40e159b2dd5cf577acaaf5902772/library/core/src/ops/function.rs:250:5
[INFO] [stdout]   22:     0x5c98fa041dfb - <core[6883ba1bc0fe4ed1]::result::Result<assert_cmd[35418449b5f7a4b8]::assert::Assert, assert_cmd[35418449b5f7a4b8]::assert::AssertError>>::unwrap_or_else::<<assert_cmd[35418449b5f7a4b8]::assert::AssertError>::panic<assert_cmd[35418449b5f7a4b8]::assert::Assert>>
[INFO] [stdout]                                at /rustc/6b3fa26749ab40e159b2dd5cf577acaaf5902772/library/core/src/result.rs:1620:23
[INFO] [stdout]   23:     0x5c98f9e45014 - <assert_cmd[35418449b5f7a4b8]::assert::Assert>::stdout::<predicates[32cee55fc2d5e3e6]::ord::EqPredicate<&[u8]>, predicates[32cee55fc2d5e3e6]::ord::EqPredicate<&[u8]>>
[INFO] [stdout]                                at /opt/rustwide/cargo-home/registry/src/index.crates.io-1949cf8c6b5b557f/assert_cmd-2.0.11/src/assert.rs:364:31
[INFO] [stdout]   24:     0x5c98f9e4c803 - lib[ef69c164f1f8dd99]::head::run_stdin
[INFO] [stdout]                                at /opt/rustwide/workdir/tests/head/mod.rs:124:10
[INFO] [stdout]   25:     0x5c98f9e4cbbb - lib[ef69c164f1f8dd99]::head::two_c4_stdin
[INFO] [stdout]                                at /opt/rustwide/workdir/tests/head/mod.rs:268:5
[INFO] [stdout]   26:     0x5c98f9e47727 - lib[ef69c164f1f8dd99]::head::two_c4_stdin::{closure#0}
[INFO] [stdout]                                at /opt/rustwide/workdir/tests/head/mod.rs:267:22
[INFO] [stdout]   27:     0x5c98f9e52116 - <lib[ef69c164f1f8dd99]::head::two_c4_stdin::{closure#0} as core[6883ba1bc0fe4ed1]::ops::function::FnOnce<()>>::call_once
[INFO] [stdout]                                at /rustc/6b3fa26749ab40e159b2dd5cf577acaaf5902772/library/core/src/ops/function.rs:250:5
[INFO] [stdout]   28:     0x5c98f9e52f7b - <fn() -> core[6883ba1bc0fe4ed1]::result::Result<(), alloc[55a36b64bcbf2c0d]::string::String> as core[6883ba1bc0fe4ed1]::ops::function::FnOnce<()>>::call_once
[INFO] [stdout]                                at /rustc/6b3fa26749ab40e159b2dd5cf577acaaf5902772/library/core/src/ops/function.rs:250:5
[INFO] [stdout]   29:     0x5c98f9e52f7b - test[980ffaebd391d06d]::__rust_begin_short_backtrace::<core[6883ba1bc0fe4ed1]::result::Result<(), alloc[55a36b64bcbf2c0d]::string::String>, fn() -> core[6883ba1bc0fe4ed1]::result::Result<(), alloc[55a36b64bcbf2c0d]::string::String>>
[INFO] [stdout]                                at /rustc/6b3fa26749ab40e159b2dd5cf577acaaf5902772/library/test/src/lib.rs:724:18
[INFO] [stdout]   30:     0x5c98f9e605c5 - test[980ffaebd391d06d]::run_test_in_process::{closure#0}
[INFO] [stdout]                                at /rustc/6b3fa26749ab40e159b2dd5cf577acaaf5902772/library/test/src/lib.rs:747:74
[INFO] [stdout]   31:     0x5c98f9e605c5 - <core[6883ba1bc0fe4ed1]::panic::unwind_safe::AssertUnwindSafe<test[980ffaebd391d06d]::run_test_in_process::{closure#0}> as core[6883ba1bc0fe4ed1]::ops::function::FnOnce<()>>::call_once
[INFO] [stdout]                                at /rustc/6b3fa26749ab40e159b2dd5cf577acaaf5902772/library/core/src/panic/unwind_safe.rs:275:9
[INFO] [stdout]   32:     0x5c98f9e605c5 - std[73adb7dc35730857]::panicking::catch_unwind::do_call::<core[6883ba1bc0fe4ed1]::panic::unwind_safe::AssertUnwindSafe<test[980ffaebd391d06d]::run_test_in_process::{closure#0}>, core[6883ba1bc0fe4ed1]::result::Result<(), alloc[55a36b64bcbf2c0d]::string::String>>
[INFO] [stdout]                                at /rustc/6b3fa26749ab40e159b2dd5cf577acaaf5902772/library/std/src/panicking.rs:576:43
[INFO] [stdout]   33:     0x5c98f9e605c5 - std[73adb7dc35730857]::panicking::catch_unwind::<core[6883ba1bc0fe4ed1]::result::Result<(), alloc[55a36b64bcbf2c0d]::string::String>, core[6883ba1bc0fe4ed1]::panic::unwind_safe::AssertUnwindSafe<test[980ffaebd391d06d]::run_test_in_process::{closure#0}>>
[INFO] [stdout]                                at /rustc/6b3fa26749ab40e159b2dd5cf577acaaf5902772/library/std/src/panicking.rs:544:19
[INFO] [stdout]   34:     0x5c98f9e605c5 - std[73adb7dc35730857]::panic::catch_unwind::<core[6883ba1bc0fe4ed1]::panic::unwind_safe::AssertUnwindSafe<test[980ffaebd391d06d]::run_test_in_process::{closure#0}>, core[6883ba1bc0fe4ed1]::result::Result<(), alloc[55a36b64bcbf2c0d]::string::String>>
[INFO] [stdout]                                at /rustc/6b3fa26749ab40e159b2dd5cf577acaaf5902772/library/std/src/panic.rs:359:14
[INFO] [stdout]   35:     0x5c98f9e605c5 - test[980ffaebd391d06d]::run_test_in_process
[INFO] [stdout]                                at /rustc/6b3fa26749ab40e159b2dd5cf577acaaf5902772/library/test/src/lib.rs:747:27
[INFO] [stdout]   36:     0x5c98f9e605c5 - test[980ffaebd391d06d]::run_test::{closure#0}
[INFO] [stdout]                                at /rustc/6b3fa26749ab40e159b2dd5cf577acaaf5902772/library/test/src/lib.rs:668:43
[INFO] [stdout]   37:     0x5c98f9e5b074 - test[980ffaebd391d06d]::run_test::{closure#1}
[INFO] [stdout]                                at /rustc/6b3fa26749ab40e159b2dd5cf577acaaf5902772/library/test/src/lib.rs:698:41
[INFO] [stdout]   38:     0x5c98f9e5b074 - std[73adb7dc35730857]::sys::backtrace::__rust_begin_short_backtrace::<test[980ffaebd391d06d]::run_test::{closure#1}, ()>
[INFO] [stdout]                                at /rustc/6b3fa26749ab40e159b2dd5cf577acaaf5902772/library/std/src/sys/backtrace.rs:166:18
[INFO] [stdout]   39:     0x5c98f9e63712 - std[73adb7dc35730857]::thread::lifecycle::spawn_unchecked::<test[980ffaebd391d06d]::run_test::{closure#1}, ()>::{closure#1}::{closure#0}
[INFO] [stdout]                                at /rustc/6b3fa26749ab40e159b2dd5cf577acaaf5902772/library/std/src/thread/lifecycle.rs:70:13
[INFO] [stdout]   40:     0x5c98f9e63712 - <core[6883ba1bc0fe4ed1]::panic::unwind_safe::AssertUnwindSafe<std[73adb7dc35730857]::thread::lifecycle::spawn_unchecked<test[980ffaebd391d06d]::run_test::{closure#1}, ()>::{closure#1}::{closure#0}> as core[6883ba1bc0fe4ed1]::ops::function::FnOnce<()>>::call_once
[INFO] [stdout]                                at /rustc/6b3fa26749ab40e159b2dd5cf577acaaf5902772/library/core/src/panic/unwind_safe.rs:275:9
[INFO] [stdout]   41:     0x5c98f9e63712 - std[73adb7dc35730857]::panicking::catch_unwind::do_call::<core[6883ba1bc0fe4ed1]::panic::unwind_safe::AssertUnwindSafe<std[73adb7dc35730857]::thread::lifecycle::spawn_unchecked<test[980ffaebd391d06d]::run_test::{closure#1}, ()>::{closure#1}::{closure#0}>, ()>
[INFO] [stdout]                                at /rustc/6b3fa26749ab40e159b2dd5cf577acaaf5902772/library/std/src/panicking.rs:576:43
[INFO] [stdout]   42:     0x5c98f9e63712 - std[73adb7dc35730857]::panicking::catch_unwind::<(), core[6883ba1bc0fe4ed1]::panic::unwind_safe::AssertUnwindSafe<std[73adb7dc35730857]::thread::lifecycle::spawn_unchecked<test[980ffaebd391d06d]::run_test::{closure#1}, ()>::{closure#1}::{closure#0}>>
[INFO] [stdout]                                at /rustc/6b3fa26749ab40e159b2dd5cf577acaaf5902772/library/std/src/panicking.rs:544:19
[INFO] [stdout]   43:     0x5c98f9e63712 - std[73adb7dc35730857]::panic::catch_unwind::<core[6883ba1bc0fe4ed1]::panic::unwind_safe::AssertUnwindSafe<std[73adb7dc35730857]::thread::lifecycle::spawn_unchecked<test[980ffaebd391d06d]::run_test::{closure#1}, ()>::{closure#1}::{closure#0}>, ()>
[INFO] [stdout]                                at /rustc/6b3fa26749ab40e159b2dd5cf577acaaf5902772/library/std/src/panic.rs:359:14
[INFO] [stdout]   44:     0x5c98f9e63712 - std[73adb7dc35730857]::thread::lifecycle::spawn_unchecked::<test[980ffaebd391d06d]::run_test::{closure#1}, ()>::{closure#1}
[INFO] [stdout]                                at /rustc/6b3fa26749ab40e159b2dd5cf577acaaf5902772/library/std/src/thread/lifecycle.rs:68:26
[INFO] [stdout]   45:     0x5c98f9e63712 - <std[73adb7dc35730857]::thread::lifecycle::spawn_unchecked<test[980ffaebd391d06d]::run_test::{closure#1}, ()>::{closure#1} as core[6883ba1bc0fe4ed1]::ops::function::FnOnce<()>>::call_once::{shim:vtable#0}
[INFO] [stdout]                                at /rustc/6b3fa26749ab40e159b2dd5cf577acaaf5902772/library/core/src/ops/function.rs:250:5
[INFO] [stdout]   46:     0x5c98fa0d44af - <alloc[55a36b64bcbf2c0d]::boxed::Box<dyn core[6883ba1bc0fe4ed1]::ops::function::FnOnce<(), Output = ()> + core[6883ba1bc0fe4ed1]::marker::Send> as core[6883ba1bc0fe4ed1]::ops::function::FnOnce<()>>::call_once
[INFO] [stdout]                                at /rustc/6b3fa26749ab40e159b2dd5cf577acaaf5902772/library/alloc/src/boxed.rs:2319:9
[INFO] [stdout]   47:     0x5c98fa0d44af - <std[73adb7dc35730857]::sys::thread::unix::Thread>::new::thread_start
[INFO] [stdout]                                at /rustc/6b3fa26749ab40e159b2dd5cf577acaaf5902772/library/std/src/sys/thread/unix.rs:123:17
[INFO] [stdout]   48:     0x718092357aa4 - <unknown>
[INFO] [stdout]   49:     0x7180923e4a64 - clone
[INFO] [stdout]   50:                0x0 - <unknown>
[INFO] [stdout] 
[INFO] [stdout] ---- head::two_n2 stdout ----
[INFO] [stdout] 
[INFO] [stdout] thread 'head::two_n2' (3353) panicked at /rustc/6b3fa26749ab40e159b2dd5cf577acaaf5902772/library/core/src/ops/function.rs:250:5:
[INFO] [stdout] Unexpected failure.
[INFO] [stdout] code-101
[INFO] [stdout] stderr=```<90 lines total>
[INFO] [stdout] ```
[INFO] [stdout] 
[INFO] [stdout] thread \'main\' (3359) panicked at /opt/rustwide/cargo-home/registry/src/index.crates.io-1949cf8c6b5b557f/clap-3.2.25/src/parser/matches/arg_matches.rs:547:22:
[INFO] [stdout] Must use `Arg::allow_invalid_utf8` with `_os` lookups at `files`
[INFO] [stdout] stack backtrace:
[INFO] [stdout]    0:     0x619cb7b1c601 - std[73adb7dc35730857]::backtrace_rs::backtrace::libunwind::trace
[INFO] [stdout]                                at /rustc/6b3fa26749ab40e159b2dd5cf577acaaf5902772/library/std/src/../../backtrace/src/backtrace/libunwind.rs:117:9
[INFO] [stdout]    1:     0x619cb7b1c601 - std[73adb7dc35730857]::backtrace_rs::backtrace::trace_unsynchronized::<std[73adb7dc35730857]::sys::backtrace::_print_fmt::{closure#1}>
[INFO] [stdout]                                at /rustc/6b3fa26749ab40e159b2dd5cf577acaaf5902772/library/std/src/../../backtrace/src/backtrace/mod.rs:66:14
[INFO] [stdout]    2:     0x619cb7b1c601 - std[73adb7dc35730857]::sys::backtrace::_print_fmt
[INFO] [stdout]                                at /rustc/6b3fa26749ab40e159b2dd5cf577acaaf5902772/library/std/src/sys/backtrace.rs:74:9
[INFO] [stdout]    3:     0x619cb7b1c601 - <<std[73adb7dc35730857]::sys::backtrace::BacktraceLock>::print::DisplayBacktrace as core[6883ba1bc0fe4ed1]::fmt::Display>::fmt
[INFO] [stdout]                                at /rustc/6b3fa26749ab40e159b2dd5cf577acaaf5902772/library/std/src/sys/backtrace.rs:44:26
[INFO] [stdout]    4:     0x619cb7b3028a - <core[6883ba1bc0fe4ed1]::fmt::rt::Argument>::fmt
[INFO] [stdout]                                at /rustc/6b3fa26749ab40e159b2dd5cf577acaaf5902772/library/core/src/fmt/rt.rs:152:76
[INFO] [stdout]    5:     0x619cb7b3028a - core[6883ba1bc0fe4ed1]::fmt::write
[INFO] [stdout]    6:     0x619cb7b21cec - std[73adb7dc35730857]::io::default_write_fmt::<std[73adb7dc35730857]::sys::stdio::unix::Stderr>
[INFO] [stdout]                                at /rustc/6b3fa26749ab40e159b2dd5cf577acaaf5902772/library/std/src/io/mod.rs:626:11
[INFO] [stdout]    7:     0x619cb7b21cec - <std[73adb7dc35730857]::sys::stdio::unix::Stderr as std[73adb7dc35730857]::io::Write>::write_fmt
[INFO] [stdout]                                at /rustc/6b3fa26749ab40e159b2dd5cf577acaaf5902772/library/std/src/io/mod.rs:1730:13
[INFO] [stdout]    8:     0x619cb7b06e16 - <std[73adb7dc35730857]::sys::backtrace::BacktraceLock>::print
[INFO] [stdout] ```
[INFO] [stdout] <30 lines omitted>
[INFO] [stdout] ```
[INFO] [stdout]                                at /rustc/6b3fa26749ab40e159b2dd5cf577acaaf5902772/library/alloc/src/vec/mod.rs:3941:9
[INFO] [stdout]   24:     0x619cb79b608e - <core[6883ba1bc0fe4ed1]::iter::adapters::map::Map<core[6883ba1bc0fe4ed1]::iter::adapters::flatten::Flatten<core[6883ba1bc0fe4ed1]::slice::iter::Iter<alloc[55a36b64bcbf2c0d]::vec::Vec<clap[965b0170b9d3cf34]::parser::matches::any_value::AnyValue>>>, <clap[965b0170b9d3cf34]::parser::matches::arg_matches::ArgMatches>::values_of_lossy<&str>::{closure#0}> as core[6883ba1bc0fe4ed1]::iter::traits::iterator::Iterator>::collect::<alloc[55a36b64bcbf2c0d]::vec::Vec<alloc[55a36b64bcbf2c0d]::string::String>>
[INFO] [stdout]                                at /rustc/6b3fa26749ab40e159b2dd5cf577acaaf5902772/library/core/src/iter/traits/iterator.rs:2090:9
[INFO] [stdout]   25:     0x619cb79b0166 - <clap[965b0170b9d3cf34]::parser::matches::arg_matches::ArgMatches>::values_of_lossy::<&str>
[INFO] [stdout]                                at /opt/rustwide/cargo-home/registry/src/index.crates.io-1949cf8c6b5b557f/clap-3.2.25/src/parser/matches/arg_matches.rs:548:14
[INFO] [stdout]   26:     0x619cb79ba18b - command_line_rust[2a7d65b3375657d0]::head::get_args
[INFO] [stdout]                                at /opt/rustwide/workdir/src/head/mod.rs:92:24
[INFO] [stdout]   27:     0x619cb79afad2 - head[5f62c2f9cff836a0]::main
[INFO] [stdout]                                at /opt/rustwide/workdir/src/head/main.rs:4:21
[INFO] [stdout]   28:     0x619cb79afbeb - <fn() as core[6883ba1bc0fe4ed1]::ops::function::FnOnce<()>>::call_once
[INFO] [stdout]                                at /rustc/6b3fa26749ab40e159b2dd5cf577acaaf5902772/library/core/src/ops/function.rs:250:5
[INFO] [stdout]   29:     0x619cb79afa5e - std[73adb7dc35730857]::sys::backtrace::__rust_begin_short_backtrace::<fn(), ()>
[INFO] [stdout]                                at /rustc/6b3fa26749ab40e159b2dd5cf577acaaf5902772/library/std/src/sys/backtrace.rs:166:18
[INFO] [stdout]   30:     0x619cb79afa81 - std[73adb7dc35730857]::rt::lang_start::<()>::{closure#0}
[INFO] [stdout]                                at /rustc/6b3fa26749ab40e159b2dd5cf577acaaf5902772/library/std/src/rt.rs:206:18
[INFO] [stdout]   31:     0x619cb7b17547 - <&dyn core[6883ba1bc0fe4ed1]::ops::function::Fn<(), Output = i32> + core[6883ba1bc0fe4ed1]::panic::unwind_safe::RefUnwindSafe + core[6883ba1bc0fe4ed1]::marker::Sync as core[6883ba1bc0fe4ed1]::ops::function::FnOnce<()>>::call_once
[INFO] [stdout]                                at /rustc/6b3fa26749ab40e159b2dd5cf577acaaf5902772/library/core/src/ops/function.rs:287:21
[INFO] [stdout]   32:     0x619cb7b17547 - std[73adb7dc35730857]::panicking::catch_unwind::do_call::<&dyn core[6883ba1bc0fe4ed1]::ops::function::Fn<(), Output = i32> + core[6883ba1bc0fe4ed1]::panic::unwind_safe::RefUnwindSafe + core[6883ba1bc0fe4ed1]::marker::Sync, i32>
[INFO] [stdout]                                at /rustc/6b3fa26749ab40e159b2dd5cf577acaaf5902772/library/std/src/panicking.rs:576:43
[INFO] [stdout]   33:     0x619cb7b17547 - std[73adb7dc35730857]::panicking::catch_unwind::<i32, &dyn core[6883ba1bc0fe4ed1]::ops::function::Fn<(), Output = i32> + core[6883ba1bc0fe4ed1]::panic::unwind_safe::RefUnwindSafe + core[6883ba1bc0fe4ed1]::marker::Sync>
[INFO] [stdout]                                at /rustc/6b3fa26749ab40e159b2dd5cf577acaaf5902772/library/std/src/panicking.rs:544:19
[INFO] [stdout]   34:     0x619cb7b17547 - std[73adb7dc35730857]::panic::catch_unwind::<&dyn core[6883ba1bc0fe4ed1]::ops::function::Fn<(), Output = i32> + core[6883ba1bc0fe4ed1]::panic::unwind_safe::RefUnwindSafe + core[6883ba1bc0fe4ed1]::marker::Sync, i32>
[INFO] [stdout]                                at /rustc/6b3fa26749ab40e159b2dd5cf577acaaf5902772/library/std/src/panic.rs:359:14
[INFO] [stdout]   35:     0x619cb7b17547 - std[73adb7dc35730857]::rt::lang_start_internal::{closure#0}
[WARN] too many lines in the log, truncating it
