[INFO] cloning repository https://github.com/topazus/head-rs
[INFO] running `Command { std: "git" "-c" "credential.helper=" "-c" "credential.helper=/workspace/cargo-home/bin/git-credential-null" "clone" "--bare" "https://github.com/topazus/head-rs" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Ftopazus%2Fhead-rs", kill_on_drop: false }`
[INFO] [stderr] Cloning into bare repository '/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Ftopazus%2Fhead-rs'...
[INFO] running `Command { std: "git" "rev-parse" "HEAD", kill_on_drop: false }`
[INFO] [stdout] 72a5e54655e37028b384063e116cc2097eee5ed3
[INFO] testing topazus/head-rs against try#db823df02fd0c2cf67b43025ac3fef3f2d743245 for pr-150681
[INFO] running `Command { std: "git" "clone" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Ftopazus%2Fhead-rs" "/workspace/builds/worker-6-tc2/source", kill_on_drop: false }`
[INFO] [stderr] Cloning into '/workspace/builds/worker-6-tc2/source'...
[INFO] [stderr] done.
[INFO] started tweaking git repo https://github.com/topazus/head-rs
[INFO] finished tweaking git repo https://github.com/topazus/head-rs
[INFO] tweaked toml for git repo https://github.com/topazus/head-rs written to /workspace/builds/worker-6-tc2/source/Cargo.toml
[INFO] validating manifest of git repo https://github.com/topazus/head-rs on toolchain db823df02fd0c2cf67b43025ac3fef3f2d743245
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+db823df02fd0c2cf67b43025ac3fef3f2d743245" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }`
[INFO] crate git repo https://github.com/topazus/head-rs 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" "+db823df02fd0c2cf67b43025ac3fef3f2d743245" "fetch" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-6-tc2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-6-tc2/source:/opt/rustwide/workdir:ro,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" "-e" "SOURCE_DIR=/opt/rustwide/workdir" "-e" "CARGO_TARGET_DIR=/opt/rustwide/target" "-e" "CARGO_HOME=/opt/rustwide/cargo-home" "-e" "RUSTUP_HOME=/opt/rustwide/rustup-home" "-w" "/opt/rustwide/workdir" "-m" "1610612736" "--user" "0:0" "--network" "none" "ghcr.io/rust-lang/crates-build-env/linux@sha256:845e597a41426bbf2703be69acdb67d10b6de511142d05cba7bbe119c898b2c7" "/opt/rustwide/cargo-home/bin/cargo" "+db823df02fd0c2cf67b43025ac3fef3f2d743245" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] 7c27e6cd7ee68e4fab590ba5f019d87d49c34277cc7061434f8d73e0c03ac215
[INFO] running `Command { std: "docker" "start" "-a" "7c27e6cd7ee68e4fab590ba5f019d87d49c34277cc7061434f8d73e0c03ac215", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "7c27e6cd7ee68e4fab590ba5f019d87d49c34277cc7061434f8d73e0c03ac215", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "7c27e6cd7ee68e4fab590ba5f019d87d49c34277cc7061434f8d73e0c03ac215", kill_on_drop: false }`
[INFO] [stdout] 7c27e6cd7ee68e4fab590ba5f019d87d49c34277cc7061434f8d73e0c03ac215
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-6-tc2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-6-tc2/source:/opt/rustwide/workdir:ro,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" "-e" "SOURCE_DIR=/opt/rustwide/workdir" "-e" "CARGO_TARGET_DIR=/opt/rustwide/target" "-e" "CARGO_INCREMENTAL=0" "-e" "RUST_BACKTRACE=full" "-e" "RUSTFLAGS=--cap-lints=forbid" "-e" "RUSTDOCFLAGS=--cap-lints=forbid" "-e" "CARGO_HOME=/opt/rustwide/cargo-home" "-e" "RUSTUP_HOME=/opt/rustwide/rustup-home" "-w" "/opt/rustwide/workdir" "-m" "1610612736" "--user" "0:0" "--network" "none" "ghcr.io/rust-lang/crates-build-env/linux@sha256:845e597a41426bbf2703be69acdb67d10b6de511142d05cba7bbe119c898b2c7" "/opt/rustwide/cargo-home/bin/cargo" "+db823df02fd0c2cf67b43025ac3fef3f2d743245" "build" "--frozen" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] f23e7241d5643b23f5c289d9c593f066a137125a8c387bf218e1fff38870531f
[INFO] running `Command { std: "docker" "start" "-a" "f23e7241d5643b23f5c289d9c593f066a137125a8c387bf218e1fff38870531f", kill_on_drop: false }`
[INFO] [stderr]    Compiling libc v0.2.124
[INFO] [stderr]    Compiling indexmap v1.8.1
[INFO] [stderr]    Compiling os_str_bytes v6.0.0
[INFO] [stderr]    Compiling termcolor v1.1.3
[INFO] [stderr]    Compiling textwrap v0.15.0
[INFO] [stderr]    Compiling clap_lex v0.1.1
[INFO] [stderr]    Compiling atty v0.2.14
[INFO] [stderr]    Compiling clap v3.1.12
[INFO] [stderr]    Compiling headr v0.1.0 (/opt/rustwide/workdir)
[INFO] [stdout] warning: unused variable: `files_str`
[INFO] [stdout]   --> src/lib.rs:31:9
[INFO] [stdout]    |
[INFO] [stdout] 31 |     let files_str = matches.values_of("files").unwrap().collect::<Vec<&str>>();
[INFO] [stdout]    |         ^^^^^^^^^ help: if this is intentional, prefix it with an underscore: `_files_str`
[INFO] [stdout]    |
[INFO] [stdout]    = note: `#[warn(unused_variables)]` (part of `#[warn(unused)]`) on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `files_string`
[INFO] [stdout]   --> src/lib.rs:32:9
[INFO] [stdout]    |
[INFO] [stdout] 32 |     let files_string = matches
[INFO] [stdout]    |         ^^^^^^^^^^^^ help: if this is intentional, prefix it with an underscore: `_files_string`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: variable does not need to be mutable
[INFO] [stdout]    --> src/lib.rs:216:9
[INFO] [stdout]     |
[INFO] [stdout] 216 |     let mut file = std::fs::File::open("Cargo.toml").unwrap();
[INFO] [stdout]     |         ----^^^^
[INFO] [stdout]     |         |
[INFO] [stdout]     |         help: remove this `mut`
[INFO] [stdout]     |
[INFO] [stdout]     = note: `#[warn(unused_mut)]` (part of `#[warn(unused)]`) on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `bytes_read`
[INFO] [stdout]    --> src/lib.rs:226:9
[INFO] [stdout]     |
[INFO] [stdout] 226 |     let bytes_read = file.read_to_string(&mut contents).unwrap();
[INFO] [stdout]     |         ^^^^^^^^^^ help: if this is intentional, prefix it with an underscore: `_bytes_read`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: variable does not need to be mutable
[INFO] [stdout]    --> src/lib.rs:231:9
[INFO] [stdout]     |
[INFO] [stdout] 231 |     let mut file = std::fs::File::open("Cargo.toml").unwrap();
[INFO] [stdout]     |         ----^^^^
[INFO] [stdout]     |         |
[INFO] [stdout]     |         help: remove this `mut`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: variable does not need to be mutable
[INFO] [stdout]    --> src/lib.rs:232:9
[INFO] [stdout]     |
[INFO] [stdout] 232 |     let mut buf = String::new();
[INFO] [stdout]     |         ----^^^
[INFO] [stdout]     |         |
[INFO] [stdout]     |         help: remove this `mut`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `buf`
[INFO] [stdout]    --> src/lib.rs:232:9
[INFO] [stdout]     |
[INFO] [stdout] 232 |     let mut buf = String::new();
[INFO] [stdout]     |         ^^^^^^^ help: if this is intentional, prefix it with an underscore: `_buf`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: function `parse_args` is never used
[INFO] [stdout]   --> src/lib.rs:18:4
[INFO] [stdout]    |
[INFO] [stdout] 18 | fn parse_args() {
[INFO] [stdout]    |    ^^^^^^^^^^
[INFO] [stdout]    |
[INFO] [stdout]    = note: `#[warn(dead_code)]` (part of `#[warn(unused)]`) on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: function `read_lines_file` is never used
[INFO] [stdout]    --> src/lib.rs:173:4
[INFO] [stdout]     |
[INFO] [stdout] 173 | fn read_lines_file(file_name: &str) -> Vec<String> {
[INFO] [stdout]     |    ^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: function `read_lines_file2` is never used
[INFO] [stdout]    --> src/lib.rs:183:4
[INFO] [stdout]     |
[INFO] [stdout] 183 | fn read_lines_file2(file_name: &str) -> Result<Vec<String>, Box<dyn Error>> {
[INFO] [stdout]     |    ^^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: function `read_bytes_from_file` is never used
[INFO] [stdout]    --> src/lib.rs:215:4
[INFO] [stdout]     |
[INFO] [stdout] 215 | fn read_bytes_from_file(bytes: usize) {
[INFO] [stdout]     |    ^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: function `read_bytes_from_file2` is never used
[INFO] [stdout]    --> src/lib.rs:223:4
[INFO] [stdout]     |
[INFO] [stdout] 223 | fn read_bytes_from_file2(bytes: usize) {
[INFO] [stdout]     |    ^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: function `read_bytes_from_file3` is never used
[INFO] [stdout]    --> src/lib.rs:230:4
[INFO] [stdout]     |
[INFO] [stdout] 230 | fn read_bytes_from_file3(bytes: usize) {
[INFO] [stdout]     |    ^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: function `parse_positive_int2` is never used
[INFO] [stdout]    --> src/lib.rs:264:4
[INFO] [stdout]     |
[INFO] [stdout] 264 | fn parse_positive_int2(val: &str) -> Result<isize, &str> {
[INFO] [stdout]     |    ^^^^^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: function `parse_positive_int3` is never used
[INFO] [stdout]    --> src/lib.rs:270:4
[INFO] [stdout]     |
[INFO] [stdout] 270 | fn parse_positive_int3(val: &str) -> Result<isize, &str> {
[INFO] [stdout]     |    ^^^^^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr]     Finished `dev` profile [unoptimized + debuginfo] target(s) in 5.77s
[INFO] running `Command { std: "docker" "inspect" "f23e7241d5643b23f5c289d9c593f066a137125a8c387bf218e1fff38870531f", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "f23e7241d5643b23f5c289d9c593f066a137125a8c387bf218e1fff38870531f", kill_on_drop: false }`
[INFO] [stdout] f23e7241d5643b23f5c289d9c593f066a137125a8c387bf218e1fff38870531f
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-6-tc2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-6-tc2/source:/opt/rustwide/workdir:ro,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" "-e" "SOURCE_DIR=/opt/rustwide/workdir" "-e" "CARGO_TARGET_DIR=/opt/rustwide/target" "-e" "CARGO_INCREMENTAL=0" "-e" "RUST_BACKTRACE=full" "-e" "RUSTFLAGS=--cap-lints=forbid" "-e" "RUSTDOCFLAGS=--cap-lints=forbid" "-e" "CARGO_HOME=/opt/rustwide/cargo-home" "-e" "RUSTUP_HOME=/opt/rustwide/rustup-home" "-w" "/opt/rustwide/workdir" "-m" "1610612736" "--user" "0:0" "--network" "none" "ghcr.io/rust-lang/crates-build-env/linux@sha256:845e597a41426bbf2703be69acdb67d10b6de511142d05cba7bbe119c898b2c7" "/opt/rustwide/cargo-home/bin/cargo" "+db823df02fd0c2cf67b43025ac3fef3f2d743245" "test" "--frozen" "--no-run" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] 13f05f07c950b25c889cd7b7b1a4af1661e2c5afde4165e606c2cb586094c3e4
[INFO] running `Command { std: "docker" "start" "-a" "13f05f07c950b25c889cd7b7b1a4af1661e2c5afde4165e606c2cb586094c3e4", kill_on_drop: false }`
[INFO] [stderr]    Compiling libc v0.2.124
[INFO] [stderr]    Compiling memchr v2.4.1
[INFO] [stderr]    Compiling num-traits v0.2.14
[INFO] [stderr]    Compiling predicates-core v1.0.3
[INFO] [stderr]    Compiling regex-syntax v0.6.25
[INFO] [stderr]    Compiling itertools v0.10.3
[INFO] [stderr]    Compiling difflib v0.4.0
[INFO] [stderr]    Compiling termtree v0.2.4
[INFO] [stderr]    Compiling normalize-line-endings v0.3.0
[INFO] [stderr]    Compiling predicates-tree v1.0.5
[INFO] [stderr]    Compiling aho-corasick v0.7.18
[INFO] [stderr]    Compiling bstr v0.2.17
[INFO] [stderr]    Compiling atty v0.2.14
[INFO] [stderr]    Compiling getrandom v0.2.6
[INFO] [stderr]    Compiling wait-timeout v0.2.0
[INFO] [stderr]    Compiling clap v3.1.12
[INFO] [stderr]    Compiling rand_core v0.6.3
[INFO] [stderr]    Compiling rand_chacha v0.3.1
[INFO] [stderr]    Compiling rand v0.8.5
[INFO] [stderr]    Compiling float-cmp v0.9.0
[INFO] [stderr]    Compiling regex v1.5.5
[INFO] [stderr]    Compiling predicates v2.1.1
[INFO] [stderr]    Compiling headr v0.1.0 (/opt/rustwide/workdir)
[INFO] [stdout] warning: unused variable: `files_str`
[INFO] [stdout]   --> src/lib.rs:31:9
[INFO] [stdout]    |
[INFO] [stdout] 31 |     let files_str = matches.values_of("files").unwrap().collect::<Vec<&str>>();
[INFO] [stdout]    |         ^^^^^^^^^ help: if this is intentional, prefix it with an underscore: `_files_str`
[INFO] [stdout]    |
[INFO] [stdout]    = note: `#[warn(unused_variables)]` (part of `#[warn(unused)]`) on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `files_string`
[INFO] [stdout]   --> src/lib.rs:32:9
[INFO] [stdout]    |
[INFO] [stdout] 32 |     let files_string = matches
[INFO] [stdout]    |         ^^^^^^^^^^^^ help: if this is intentional, prefix it with an underscore: `_files_string`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: variable does not need to be mutable
[INFO] [stdout]    --> src/lib.rs:216:9
[INFO] [stdout]     |
[INFO] [stdout] 216 |     let mut file = std::fs::File::open("Cargo.toml").unwrap();
[INFO] [stdout]     |         ----^^^^
[INFO] [stdout]     |         |
[INFO] [stdout]     |         help: remove this `mut`
[INFO] [stdout]     |
[INFO] [stdout]     = note: `#[warn(unused_mut)]` (part of `#[warn(unused)]`) on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `bytes_read`
[INFO] [stdout]    --> src/lib.rs:226:9
[INFO] [stdout]     |
[INFO] [stdout] 226 |     let bytes_read = file.read_to_string(&mut contents).unwrap();
[INFO] [stdout]     |         ^^^^^^^^^^ help: if this is intentional, prefix it with an underscore: `_bytes_read`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: variable does not need to be mutable
[INFO] [stdout]    --> src/lib.rs:231:9
[INFO] [stdout]     |
[INFO] [stdout] 231 |     let mut file = std::fs::File::open("Cargo.toml").unwrap();
[INFO] [stdout]     |         ----^^^^
[INFO] [stdout]     |         |
[INFO] [stdout]     |         help: remove this `mut`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: variable does not need to be mutable
[INFO] [stdout]    --> src/lib.rs:232:9
[INFO] [stdout]     |
[INFO] [stdout] 232 |     let mut buf = String::new();
[INFO] [stdout]     |         ----^^^
[INFO] [stdout]     |         |
[INFO] [stdout]     |         help: remove this `mut`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `buf`
[INFO] [stdout]    --> src/lib.rs:232:9
[INFO] [stdout]     |
[INFO] [stdout] 232 |     let mut buf = String::new();
[INFO] [stdout]     |         ^^^^^^^ help: if this is intentional, prefix it with an underscore: `_buf`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: function `parse_args` is never used
[INFO] [stdout]   --> src/lib.rs:18:4
[INFO] [stdout]    |
[INFO] [stdout] 18 | fn parse_args() {
[INFO] [stdout]    |    ^^^^^^^^^^
[INFO] [stdout]    |
[INFO] [stdout]    = note: `#[warn(dead_code)]` (part of `#[warn(unused)]`) on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: function `read_lines_file` is never used
[INFO] [stdout]    --> src/lib.rs:173:4
[INFO] [stdout]     |
[INFO] [stdout] 173 | fn read_lines_file(file_name: &str) -> Vec<String> {
[INFO] [stdout]     |    ^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: function `read_lines_file2` is never used
[INFO] [stdout]    --> src/lib.rs:183:4
[INFO] [stdout]     |
[INFO] [stdout] 183 | fn read_lines_file2(file_name: &str) -> Result<Vec<String>, Box<dyn Error>> {
[INFO] [stdout]     |    ^^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: function `read_bytes_from_file` is never used
[INFO] [stdout]    --> src/lib.rs:215:4
[INFO] [stdout]     |
[INFO] [stdout] 215 | fn read_bytes_from_file(bytes: usize) {
[INFO] [stdout]     |    ^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: function `read_bytes_from_file2` is never used
[INFO] [stdout]    --> src/lib.rs:223:4
[INFO] [stdout]     |
[INFO] [stdout] 223 | fn read_bytes_from_file2(bytes: usize) {
[INFO] [stdout]     |    ^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: function `read_bytes_from_file3` is never used
[INFO] [stdout]    --> src/lib.rs:230:4
[INFO] [stdout]     |
[INFO] [stdout] 230 | fn read_bytes_from_file3(bytes: usize) {
[INFO] [stdout]     |    ^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: function `parse_positive_int2` is never used
[INFO] [stdout]    --> src/lib.rs:264:4
[INFO] [stdout]     |
[INFO] [stdout] 264 | fn parse_positive_int2(val: &str) -> Result<isize, &str> {
[INFO] [stdout]     |    ^^^^^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: function `parse_positive_int3` is never used
[INFO] [stdout]    --> src/lib.rs:270:4
[INFO] [stdout]     |
[INFO] [stdout] 270 | fn parse_positive_int3(val: &str) -> Result<isize, &str> {
[INFO] [stdout]     |    ^^^^^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr]    Compiling assert_cmd v2.0.4
[INFO] [stdout] warning: unused variable: `files_str`
[INFO] [stdout]   --> src/lib.rs:31:9
[INFO] [stdout]    |
[INFO] [stdout] 31 |     let files_str = matches.values_of("files").unwrap().collect::<Vec<&str>>();
[INFO] [stdout]    |         ^^^^^^^^^ help: if this is intentional, prefix it with an underscore: `_files_str`
[INFO] [stdout]    |
[INFO] [stdout]    = note: `#[warn(unused_variables)]` (part of `#[warn(unused)]`) on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `files_string`
[INFO] [stdout]   --> src/lib.rs:32:9
[INFO] [stdout]    |
[INFO] [stdout] 32 |     let files_string = matches
[INFO] [stdout]    |         ^^^^^^^^^^^^ help: if this is intentional, prefix it with an underscore: `_files_string`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: variable does not need to be mutable
[INFO] [stdout]    --> src/lib.rs:216:9
[INFO] [stdout]     |
[INFO] [stdout] 216 |     let mut file = std::fs::File::open("Cargo.toml").unwrap();
[INFO] [stdout]     |         ----^^^^
[INFO] [stdout]     |         |
[INFO] [stdout]     |         help: remove this `mut`
[INFO] [stdout]     |
[INFO] [stdout]     = note: `#[warn(unused_mut)]` (part of `#[warn(unused)]`) on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `bytes_read`
[INFO] [stdout]    --> src/lib.rs:226:9
[INFO] [stdout]     |
[INFO] [stdout] 226 |     let bytes_read = file.read_to_string(&mut contents).unwrap();
[INFO] [stdout]     |         ^^^^^^^^^^ help: if this is intentional, prefix it with an underscore: `_bytes_read`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: variable does not need to be mutable
[INFO] [stdout]    --> src/lib.rs:231:9
[INFO] [stdout]     |
[INFO] [stdout] 231 |     let mut file = std::fs::File::open("Cargo.toml").unwrap();
[INFO] [stdout]     |         ----^^^^
[INFO] [stdout]     |         |
[INFO] [stdout]     |         help: remove this `mut`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: variable does not need to be mutable
[INFO] [stdout]    --> src/lib.rs:232:9
[INFO] [stdout]     |
[INFO] [stdout] 232 |     let mut buf = String::new();
[INFO] [stdout]     |         ----^^^
[INFO] [stdout]     |         |
[INFO] [stdout]     |         help: remove this `mut`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `buf`
[INFO] [stdout]    --> src/lib.rs:232:9
[INFO] [stdout]     |
[INFO] [stdout] 232 |     let mut buf = String::new();
[INFO] [stdout]     |         ^^^^^^^ help: if this is intentional, prefix it with an underscore: `_buf`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: function `parse_args` is never used
[INFO] [stdout]   --> src/lib.rs:18:4
[INFO] [stdout]    |
[INFO] [stdout] 18 | fn parse_args() {
[INFO] [stdout]    |    ^^^^^^^^^^
[INFO] [stdout]    |
[INFO] [stdout]    = note: `#[warn(dead_code)]` (part of `#[warn(unused)]`) on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: function `read_bytes_from_file` is never used
[INFO] [stdout]    --> src/lib.rs:215:4
[INFO] [stdout]     |
[INFO] [stdout] 215 | fn read_bytes_from_file(bytes: usize) {
[INFO] [stdout]     |    ^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: function `read_bytes_from_file2` is never used
[INFO] [stdout]    --> src/lib.rs:223:4
[INFO] [stdout]     |
[INFO] [stdout] 223 | fn read_bytes_from_file2(bytes: usize) {
[INFO] [stdout]     |    ^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: function `read_bytes_from_file3` is never used
[INFO] [stdout]    --> src/lib.rs:230:4
[INFO] [stdout]     |
[INFO] [stdout] 230 | fn read_bytes_from_file3(bytes: usize) {
[INFO] [stdout]     |    ^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr]     Finished `test` profile [unoptimized + debuginfo] target(s) in 10.66s
[INFO] running `Command { std: "docker" "inspect" "13f05f07c950b25c889cd7b7b1a4af1661e2c5afde4165e606c2cb586094c3e4", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "13f05f07c950b25c889cd7b7b1a4af1661e2c5afde4165e606c2cb586094c3e4", kill_on_drop: false }`
[INFO] [stdout] 13f05f07c950b25c889cd7b7b1a4af1661e2c5afde4165e606c2cb586094c3e4
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-6-tc2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-6-tc2/source:/opt/rustwide/workdir:ro,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" "-e" "SOURCE_DIR=/opt/rustwide/workdir" "-e" "CARGO_TARGET_DIR=/opt/rustwide/target" "-e" "CARGO_INCREMENTAL=0" "-e" "RUST_BACKTRACE=full" "-e" "RUSTFLAGS=--cap-lints=forbid" "-e" "RUSTDOCFLAGS=--cap-lints=forbid" "-e" "CARGO_HOME=/opt/rustwide/cargo-home" "-e" "RUSTUP_HOME=/opt/rustwide/rustup-home" "-w" "/opt/rustwide/workdir" "-m" "1610612736" "--user" "0:0" "--network" "none" "ghcr.io/rust-lang/crates-build-env/linux@sha256:845e597a41426bbf2703be69acdb67d10b6de511142d05cba7bbe119c898b2c7" "/opt/rustwide/cargo-home/bin/cargo" "+db823df02fd0c2cf67b43025ac3fef3f2d743245" "test" "--frozen", kill_on_drop: false }`
[INFO] [stdout] d3e91f2d39de6690b7a0d0984f66c18a4f8f52c9646b10363aaf830ae0bfa1c5
[INFO] running `Command { std: "docker" "start" "-a" "d3e91f2d39de6690b7a0d0984f66c18a4f8f52c9646b10363aaf830ae0bfa1c5", kill_on_drop: false }`
[INFO] [stderr] warning: unused variable: `files_str`
[INFO] [stderr]   --> src/lib.rs:31:9
[INFO] [stderr]    |
[INFO] [stderr] 31 |     let files_str = matches.values_of("files").unwrap().collect::<Vec<&str>>();
[INFO] [stderr]    |         ^^^^^^^^^ help: if this is intentional, prefix it with an underscore: `_files_str`
[INFO] [stderr]    |
[INFO] [stderr]    = note: `#[warn(unused_variables)]` (part of `#[warn(unused)]`) on by default
[INFO] [stderr] 
[INFO] [stderr] warning: unused variable: `files_string`
[INFO] [stderr]   --> src/lib.rs:32:9
[INFO] [stderr]    |
[INFO] [stderr] 32 |     let files_string = matches
[INFO] [stderr]    |         ^^^^^^^^^^^^ help: if this is intentional, prefix it with an underscore: `_files_string`
[INFO] [stderr] 
[INFO] [stderr] warning: variable does not need to be mutable
[INFO] [stderr]    --> src/lib.rs:216:9
[INFO] [stderr]     |
[INFO] [stderr] 216 |     let mut file = std::fs::File::open("Cargo.toml").unwrap();
[INFO] [stderr]     |         ----^^^^
[INFO] [stderr]     |         |
[INFO] [stderr]     |         help: remove this `mut`
[INFO] [stderr]     |
[INFO] [stderr]     = note: `#[warn(unused_mut)]` (part of `#[warn(unused)]`) on by default
[INFO] [stderr] 
[INFO] [stderr] warning: unused variable: `bytes_read`
[INFO] [stderr]    --> src/lib.rs:226:9
[INFO] [stderr]     |
[INFO] [stderr] 226 |     let bytes_read = file.read_to_string(&mut contents).unwrap();
[INFO] [stderr]     |         ^^^^^^^^^^ help: if this is intentional, prefix it with an underscore: `_bytes_read`
[INFO] [stderr] 
[INFO] [stderr] warning: variable does not need to be mutable
[INFO] [stderr]    --> src/lib.rs:231:9
[INFO] [stderr]     |
[INFO] [stderr] 231 |     let mut file = std::fs::File::open("Cargo.toml").unwrap();
[INFO] [stderr]     |         ----^^^^
[INFO] [stderr]     |         |
[INFO] [stderr]     |         help: remove this `mut`
[INFO] [stderr] 
[INFO] [stderr] warning: variable does not need to be mutable
[INFO] [stderr]    --> src/lib.rs:232:9
[INFO] [stderr]     |
[INFO] [stderr] 232 |     let mut buf = String::new();
[INFO] [stderr]     |         ----^^^
[INFO] [stderr]     |         |
[INFO] [stderr]     |         help: remove this `mut`
[INFO] [stderr] 
[INFO] [stderr] warning: unused variable: `buf`
[INFO] [stderr]    --> src/lib.rs:232:9
[INFO] [stderr]     |
[INFO] [stderr] 232 |     let mut buf = String::new();
[INFO] [stderr]     |         ^^^^^^^ help: if this is intentional, prefix it with an underscore: `_buf`
[INFO] [stderr] 
[INFO] [stderr] warning: function `parse_args` is never used
[INFO] [stderr]   --> src/lib.rs:18:4
[INFO] [stderr]    |
[INFO] [stderr] 18 | fn parse_args() {
[INFO] [stderr]    |    ^^^^^^^^^^
[INFO] [stderr]    |
[INFO] [stderr]    = note: `#[warn(dead_code)]` (part of `#[warn(unused)]`) on by default
[INFO] [stderr] 
[INFO] [stderr] warning: function `read_lines_file` is never used
[INFO] [stderr]    --> src/lib.rs:173:4
[INFO] [stderr]     |
[INFO] [stderr] 173 | fn read_lines_file(file_name: &str) -> Vec<String> {
[INFO] [stderr]     |    ^^^^^^^^^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: function `read_lines_file2` is never used
[INFO] [stderr]    --> src/lib.rs:183:4
[INFO] [stderr]     |
[INFO] [stderr] 183 | fn read_lines_file2(file_name: &str) -> Result<Vec<String>, Box<dyn Error>> {
[INFO] [stderr]     |    ^^^^^^^^^^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: function `read_bytes_from_file` is never used
[INFO] [stderr]    --> src/lib.rs:215:4
[INFO] [stderr]     |
[INFO] [stderr] 215 | fn read_bytes_from_file(bytes: usize) {
[INFO] [stderr]     |    ^^^^^^^^^^^^^^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: function `read_bytes_from_file2` is never used
[INFO] [stderr]    --> src/lib.rs:223:4
[INFO] [stderr]     |
[INFO] [stderr] 223 | fn read_bytes_from_file2(bytes: usize) {
[INFO] [stderr]     |    ^^^^^^^^^^^^^^^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: function `read_bytes_from_file3` is never used
[INFO] [stderr]    --> src/lib.rs:230:4
[INFO] [stderr]     |
[INFO] [stderr] 230 | fn read_bytes_from_file3(bytes: usize) {
[INFO] [stderr]     |    ^^^^^^^^^^^^^^^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: function `parse_positive_int2` is never used
[INFO] [stderr]    --> src/lib.rs:264:4
[INFO] [stderr]     |
[INFO] [stderr] 264 | fn parse_positive_int2(val: &str) -> Result<isize, &str> {
[INFO] [stderr]     |    ^^^^^^^^^^^^^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: function `parse_positive_int3` is never used
[INFO] [stderr]    --> src/lib.rs:270:4
[INFO] [stderr]     |
[INFO] [stderr] 270 | fn parse_positive_int3(val: &str) -> Result<isize, &str> {
[INFO] [stderr]     |    ^^^^^^^^^^^^^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: `headr` (lib) generated 15 warnings (run `cargo fix --lib -p headr` to apply 7 suggestions)
[INFO] [stderr] warning: `headr` (lib test) generated 11 warnings (11 duplicates)
[INFO] [stderr]     Finished `test` profile [unoptimized + debuginfo] target(s) in 0.06s
[INFO] [stderr]      Running unittests src/lib.rs (/opt/rustwide/target/debug/deps/headr-41bc68921909342d)
[INFO] [stdout] 
[INFO] [stdout] running 4 tests
[INFO] [stdout] test test_parse_positive_int ... ok
[INFO] [stdout] test test_parse_positive_int2 ... ok
[INFO] [stdout] test test_parse_positive_int3 ... ok
[INFO] [stderr]      Running unittests src/main.rs (/opt/rustwide/target/debug/deps/headr-8d1dc0c006c16a90)
[INFO] [stdout] test test_read_lines_file ... ok
[INFO] [stdout] 
[INFO] [stdout] test result: ok. 4 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 tests/cli.rs (/opt/rustwide/target/debug/deps/cli-9d10897977a53fe9)
[INFO] [stdout] 
[INFO] [stdout] running 8 tests
[INFO] [stdout] test long_flag ... ok
[INFO] [stdout] test test_random_string ... ok
[INFO] [stdout] test test_bad_bytes ... ok
[INFO] [stdout] test test_bad_lines ... ok
[INFO] [stdout] test read_lines ... FAILED
[INFO] [stdout] test test_empty ... FAILED
[INFO] [stdout] test test_bytes ... FAILED
[INFO] [stdout] test read_lines_from_files ... FAILED
[INFO] [stdout] 
[INFO] [stdout] failures:
[INFO] [stdout] 
[INFO] [stdout] ---- read_lines stdout ----
[INFO] [stdout] 
[INFO] [stdout] thread 'read_lines' (32) panicked at /rustc/db823df02fd0c2cf67b43025ac3fef3f2d743245/library/core/src/ops/function.rs:250:5:
[INFO] [stdout] Unexpected failure.
[INFO] [stdout] code-101
[INFO] [stdout] stderr=```"\nthread \'main\' (39) panicked at src/lib.rs:88:10:\nMust use `_os` lookups with `Arg::allow_invalid_utf8` at `lines`\nstack backtrace:\n   0:     0x6270b730f252 - std[3f03f8b59f91bef1]::backtrace_rs::backtrace::libunwind::trace\n                               at /rustc/db823df02fd0c2cf67b43025ac3fef3f2d743245/library/std/src/../../backtrace/src/backtrace/libunwind.rs:117:9\n   1:     0x6270b730f252 - std[3f03f8b59f91bef1]::backtrace_rs::backtrace::trace_unsynchronized::<std[3f03f8b59f91bef1]::sys::backtrace::_print_fmt::{closure#1}>\n                               at /rustc/db823df02fd0c2cf67b43025ac3fef3f2d743245/library/std/src/../../backtrace/src/backtrace/mod.rs:66:14\n   2:     0x6270b730f252 - std[3f03f8b59f91bef1]::sys::backtrace::_print_fmt\n                               at /rustc/db823df02fd0c2cf67b43025ac3fef3f2d743245/library/std/src/sys/backtrace.rs:74:9\n   3:     0x6270b730f252 - <<std[3f03f8b59f91bef1]::sys::backtrace::BacktraceLock>::print::DisplayBacktrace as core[585f66e14d78f9ba]::fmt::Display>::fmt\n                               at /rustc/db823df02fd0c2cf67b43025ac3fef3f2d743245/library/std/src/sys/backtrace.rs:44:26\n   4:     0x6270b73236fa - <core[585f66e14d78f9ba]::fmt::rt::Argument>::fmt\n                               at /rustc/db823df02fd0c2cf67b43025ac3fef3f2d743245/library/core/src/fmt/rt.rs:152:76\n   5:     0x6270b73236fa - core[585f66e14d78f9ba]::fmt::write\n   6:     0x6270b7315236 - std[3f03f8b59f91bef1]::io::default_write_fmt::<std[3f03f8b59f91bef1]::sys::stdio::unix::Stderr>\n                               at /rustc/db823df02fd0c2cf67b43025ac3fef3f2d743245/library/std/src/io/mod.rs:639:11\n   7:     0x6270b7315236 - <std[3f03f8b59f91bef1]::sys::stdio::unix::Stderr as std[3f03f8b59f91bef1]::io::Write>::write_fmt\n                               at /rustc/db823df02fd0c2cf67b43025ac3fef3f2d743245/library/std/src/io/mod.rs:1994:13\n   8:     0x6270b72f926f - <std[3f03f8b59f91bef1]::sys::backtrace::BacktraceLock>::print\n                               at /rustc/db823df02fd0c2cf67b43025ac3fef3f2d743245/library/std/src/sys/backtrace.rs:47:9\n   9:     0x6270b72f926f - std[3f03f8b59f91bef1]::panicking::default_hook::{closure#0}\n                               at /rustc/db823df02fd0c2cf67b43025ac3fef3f2d743245/library/std/src/panicking.rs:292:27\n  10:     0x6270b730acc1 - std[3f03f8b59f91bef1]::panicking::default_hook\n                               at /rustc/db823df02fd0c2cf67b43025ac3fef3f2d743245/library/std/src/panicking.rs:319:9\n  11:     0x6270b730ae7b - std[3f03f8b59f91bef1]::panicking::panic_with_hook\n                               at /rustc/db823df02fd0c2cf67b43025ac3fef3f2d743245/library/std/src/panicking.rs:825:13\n  12:     0x6270b72f9328 - std[3f03f8b59f91bef1]::panicking::panic_handler::{closure#0}\n                               at /rustc/db823df02fd0c2cf67b43025ac3fef3f2d743245/library/std/src/panicking.rs:698:13\n  13:     0x6270b72ee529 - std[3f03f8b59f91bef1]::sys::backtrace::__rust_end_short_backtrace::<std[3f03f8b59f91bef1]::panicking::panic_handler::{closure#0}, !>\n                               at /rustc/db823df02fd0c2cf67b43025ac3fef3f2d743245/library/std/src/sys/backtrace.rs:182:18\n  14:     0x6270b72f9d4d - __rustc[caa99d26c7bae192]::rust_begin_unwind\n                               at /rustc/db823df02fd0c2cf67b43025ac3fef3f2d743245/library/std/src/panicking.rs:689:5\n  15:     0x6270b7323e0c - core[585f66e14d78f9ba]::panicking::panic_fmt\n                               at /rustc/db823df02fd0c2cf67b43025ac3fef3f2d743245/library/core/src/panicking.rs:80:14\n  16:     0x6270b71c621e - clap[d75ff7e1e2f2927e]::parse::matches::arg_matches::assert_utf8_validation\n                               at /opt/rustwide/cargo-home/registry/src/index.crates.io-1949cf8c6b5b557f/clap-3.1.12/src/parse/matches/arg_matches.rs:1408:5\n  17:     0x6270b71c3c6b - <clap[d75ff7e1e2f2927e]::parse::matches::arg_matches::ArgMatches>::value_of::<&str>\n                               at /opt/rustwide/cargo-home/registry/src/index.crates.io-1949cf8c6b5b557f/clap-3.1.12/src/parse/matches/arg_matches.rs:145:9\n  18:     0x6270b71ba0b5 - headr[6763a1303ecc76af]::get_args\n                               at /opt/rustwide/workdir/src/lib.rs:88:10\n  19:     0x6270b71b76e2 - headr[f89bb476eb543b4d]::main\n                               at /opt/rustwide/workdir/src/main.rs:2:21\n  20:     0x6270b71b77fb - <fn() as core[585f66e14d78f9ba]::ops::function::FnOnce<()>>::call_once\n                               at /rustc/db823df02fd0c2cf67b43025ac3fef3f2d743245/library/core/src/ops/function.rs:250:5\n  21:     0x6270b71b766e - std[3f03f8b59f91bef1]::sys::backtrace::__rust_begin_short_backtrace::<fn(), ()>\n                               at /rustc/db823df02fd0c2cf67b43025ac3fef3f2d743245/library/std/src/sys/backtrace.rs:166:18\n  22:     0x6270b71b7691 - std[3f03f8b59f91bef1]::rt::lang_start::<()>::{closure#0}\n                               at /rustc/db823df02fd0c2cf67b43025ac3fef3f2d743245/library/std/src/rt.rs:206:18\n  23:     0x6270b730a046 - <&dyn core[585f66e14d78f9ba]::ops::function::Fn<(), Output = i32> + core[585f66e14d78f9ba]::marker::Sync + core[585f66e14d78f9ba]::panic::unwind_safe::RefUnwindSafe as core[585f66e14d78f9ba]::ops::function::FnOnce<()>>::call_once\n                               at /rustc/db823df02fd0c2cf67b43025ac3fef3f2d743245/library/core/src/ops/function.rs:287:21\n  24:     0x6270b730a046 - std[3f03f8b59f91bef1]::panicking::catch_unwind::do_call::<&dyn core[585f66e14d78f9ba]::ops::function::Fn<(), Output = i32> + core[585f66e14d78f9ba]::marker::Sync + core[585f66e14d78f9ba]::panic::unwind_safe::RefUnwindSafe, i32>\n                               at /rustc/db823df02fd0c2cf67b43025ac3fef3f2d743245/library/std/src/panicking.rs:581:40\n  25:     0x6270b730a046 - std[3f03f8b59f91bef1]::panicking::catch_unwind::<i32, &dyn core[585f66e14d78f9ba]::ops::function::Fn<(), Output = i32> + core[585f66e14d78f9ba]::marker::Sync + core[585f66e14d78f9ba]::panic::unwind_safe::RefUnwindSafe>\n                               at /rustc/db823df02fd0c2cf67b43025ac3fef3f2d743245/library/std/src/panicking.rs:544:19\n  26:     0x6270b730a046 - std[3f03f8b59f91bef1]::panic::catch_unwind::<&dyn core[585f66e14d78f9ba]::ops::function::Fn<(), Output = i32> + core[585f66e14d78f9ba]::marker::Sync + core[585f66e14d78f9ba]::panic::unwind_safe::RefUnwindSafe, i32>\n                               at /rustc/db823df02fd0c2cf67b43025ac3fef3f2d743245/library/std/src/panic.rs:359:14\n  27:     0x6270b730a046 - std[3f03f8b59f91bef1]::rt::lang_start_internal::{closure#0}\n                               at /rustc/db823df02fd0c2cf67b43025ac3fef3f2d743245/library/std/src/rt.rs:175:24\n  28:     0x6270b730a046 - std[3f03f8b59f91bef1]::panicking::catch_unwind::do_call::<std[3f03f8b59f91bef1]::rt::lang_start_internal::{closure#0}, isize>\n                               at /rustc/db823df02fd0c2cf67b43025ac3fef3f2d743245/library/std/src/panicking.rs:581:40\n  29:     0x6270b730a046 - std[3f03f8b59f91bef1]::panicking::catch_unwind::<isize, std[3f03f8b59f91bef1]::rt::lang_start_internal::{closure#0}>\n                               at /rustc/db823df02fd0c2cf67b43025ac3fef3f2d743245/library/std/src/panicking.rs:544:19\n  30:     0x6270b730a046 - std[3f03f8b59f91bef1]::panic::catch_unwind::<std[3f03f8b59f91bef1]::rt::lang_start_internal::{closure#0}, isize>\n                               at /rustc/db823df02fd0c2cf67b43025ac3fef3f2d743245/library/std/src/panic.rs:359:14\n  31:     0x6270b730a046 - std[3f03f8b59f91bef1]::rt::lang_start_internal\n                               at /rustc/db823df02fd0c2cf67b43025ac3fef3f2d743245/library/std/src/rt.rs:171:5\n  32:     0x6270b71b7657 - std[3f03f8b59f91bef1]::rt::lang_start::<()>\n                               at /rustc/db823df02fd0c2cf67b43025ac3fef3f2d743245/library/std/src/rt.rs:205:5\n  33:     0x6270b71b788e - main\n  34:     0x7fc58617d1ca - <unknown>\n  35:     0x7fc58617d28b - __libc_start_main\n  36:     0x6270b71b74b5 - _start\n  37:                0x0 - <unknown>\n"```
[INFO] [stdout] command=`"/opt/rustwide/target/debug/headr" "-n=3" "tests/inputs/ten.txt"`
[INFO] [stdout] code=101
[INFO] [stdout] stdout=""
[INFO] [stdout] stderr="\nthread \'main\' (39) panicked at src/lib.rs:88:10:\nMust use `_os` lookups with `Arg::allow_invalid_utf8` at `lines`\nstack backtrace:\n   0:     0x6270b730f252 - std[3f03f8b59f91bef1]::backtrace_rs::backtrace::libunwind::trace\n                               at /rustc/db823df02fd0c2cf67b43025ac3fef3f2d743245/library/std/src/../../backtrace/src/backtrace/libunwind.rs:117:9\n   1:     0x6270b730f252 - std[3f03f8b59f91bef1]::backtrace_rs::backtrace::trace_unsynchronized::<std[3f03f8b59f91bef1]::sys::backtrace::_print_fmt::{closure#1}>\n                               at /rustc/db823df02fd0c2cf67b43025ac3fef3f2d743245/library/std/src/../../backtrace/src/backtrace/mod.rs:66:14\n   2:     0x6270b730f252 - std[3f03f8b59f91bef1]::sys::backtrace::_print_fmt\n                               at /rustc/db823df02fd0c2cf67b43025ac3fef3f2d743245/library/std/src/sys/backtrace.rs:74:9\n   3:     0x6270b730f252 - <<std[3f03f8b59f91bef1]::sys::backtrace::BacktraceLock>::print::DisplayBacktrace as core[585f66e14d78f9ba]::fmt::Display>::fmt\n                               at /rustc/db823df02fd0c2cf67b43025ac3fef3f2d743245/library/std/src/sys/backtrace.rs:44:26\n   4:     0x6270b73236fa - <core[585f66e14d78f9ba]::fmt::rt::Argument>::fmt\n                               at /rustc/db823df02fd0c2cf67b43025ac3fef3f2d743245/library/core/src/fmt/rt.rs:152:76\n   5:     0x6270b73236fa - core[585f66e14d78f9ba]::fmt::write\n   6:     0x6270b7315236 - std[3f03f8b59f91bef1]::io::default_write_fmt::<std[3f03f8b59f91bef1]::sys::stdio::unix::Stderr>\n                               at /rustc/db823df02fd0c2cf67b43025ac3fef3f2d743245/library/std/src/io/mod.rs:639:11\n   7:     0x6270b7315236 - <std[3f03f8b59f91bef1]::sys::stdio::unix::Stderr as std[3f03f8b59f91bef1]::io::Write>::write_fmt\n                               at /rustc/db823df02fd0c2cf67b43025ac3fef3f2d743245/library/std/src/io/mod.rs:1994:13\n   8:     0x6270b72f926f - <std[3f03f8b59f91bef1]::sys::backtrace::BacktraceLock>::print\n                               at /rustc/db823df02fd0c2cf67b43025ac3fef3f2d743245/library/std/src/sys/backtrace.rs:47:9\n   9:     0x6270b72f926f - std[3f03f8b59f91bef1]::panicking::default_hook::{closure#0}\n                               at /rustc/db823df02fd0c2cf67b43025ac3fef3f2d743245/library/std/src/panicking.rs:292:27\n  10:     0x6270b730acc1 - std[3f03f8b59f91bef1]::panicking::default_hook\n                               at /rustc/db823df02fd0c2cf67b43025ac3fef3f2d743245/library/std/src/panicking.rs:319:9\n  11:     0x6270b730ae7b - std[3f03f8b59f91bef1]::panicking::panic_with_hook\n                               at /rustc/db823df02fd0c2cf67b43025ac3fef3f2d743245/library/std/src/panicking.rs:825:13\n  12:     0x6270b72f9328 - std[3f03f8b59f91bef1]::panicking::panic_handler::{closure#0}\n                               at /rustc/db823df02fd0c2cf67b43025ac3fef3f2d743245/library/std/src/panicking.rs:698:13\n  13:     0x6270b72ee529 - std[3f03f8b59f91bef1]::sys::backtrace::__rust_end_short_backtrace::<std[3f03f8b59f91bef1]::panicking::panic_handler::{closure#0}, !>\n                               at /rustc/db823df02fd0c2cf67b43025ac3fef3f2d743245/library/std/src/sys/backtrace.rs:182:18\n  14:     0x6270b72f9d4d - __rustc[caa99d26c7bae192]::rust_begin_unwind\n                               at /rustc/db823df02fd0c2cf67b43025ac3fef3f2d743245/library/std/src/panicking.rs:689:5\n  15:     0x6270b7323e0c - core[585f66e14d78f9ba]::panicking::panic_fmt\n                               at /rustc/db823df02fd0c2cf67b43025ac3fef3f2d743245/library/core/src/panicking.rs:80:14\n  16:     0x6270b71c621e - clap[d75ff7e1e2f2927e]::parse::matches::arg_matches::assert_utf8_validation\n                               at /opt/rustwide/cargo-home/registry/src/index.crates.io-1949cf8c6b5b557f/clap-3.1.12/src/parse/matches/arg_matches.rs:1408:5\n  17:     0x6270b71c3c6b - <clap[d75ff7e1e2f2927e]::parse::matches::arg_matches::ArgMatches>::value_of::<&str>\n                               at /opt/rustwide/cargo-home/registry/src/index.crates.io-1949cf8c6b5b557f/clap-3.1.12/src/parse/matches/arg_matches.rs:145:9\n  18:     0x6270b71ba0b5 - headr[6763a1303ecc76af]::get_args\n                               at /opt/rustwide/workdir/src/lib.rs:88:10\n  19:     0x6270b71b76e2 - headr[f89bb476eb543b4d]::main\n                               at /opt/rustwide/workdir/src/main.rs:2:21\n  20:     0x6270b71b77fb - <fn() as core[585f66e14d78f9ba]::ops::function::FnOnce<()>>::call_once\n                               at /rustc/db823df02fd0c2cf67b43025ac3fef3f2d743245/library/core/src/ops/function.rs:250:5\n  21:     0x6270b71b766e - std[3f03f8b59f91bef1]::sys::backtrace::__rust_begin_short_backtrace::<fn(), ()>\n                               at /rustc/db823df02fd0c2cf67b43025ac3fef3f2d743245/library/std/src/sys/backtrace.rs:166:18\n  22:     0x6270b71b7691 - std[3f03f8b59f91bef1]::rt::lang_start::<()>::{closure#0}\n                               at /rustc/db823df02fd0c2cf67b43025ac3fef3f2d743245/library/std/src/rt.rs:206:18\n  23:     0x6270b730a046 - <&dyn core[585f66e14d78f9ba]::ops::function::Fn<(), Output = i32> + core[585f66e14d78f9ba]::marker::Sync + core[585f66e14d78f9ba]::panic::unwind_safe::RefUnwindSafe as core[585f66e14d78f9ba]::ops::function::FnOnce<()>>::call_once\n                               at /rustc/db823df02fd0c2cf67b43025ac3fef3f2d743245/library/core/src/ops/function.rs:287:21\n  24:     0x6270b730a046 - std[3f03f8b59f91bef1]::panicking::catch_unwind::do_call::<&dyn core[585f66e14d78f9ba]::ops::function::Fn<(), Output = i32> + core[585f66e14d78f9ba]::marker::Sync + core[585f66e14d78f9ba]::panic::unwind_safe::RefUnwindSafe, i32>\n                               at /rustc/db823df02fd0c2cf67b43025ac3fef3f2d743245/library/std/src/panicking.rs:581:40\n  25:     0x6270b730a046 - std[3f03f8b59f91bef1]::panicking::catch_unwind::<i32, &dyn core[585f66e14d78f9ba]::ops::function::Fn<(), Output = i32> + core[585f66e14d78f9ba]::marker::Sync + core[585f66e14d78f9ba]::panic::unwind_safe::RefUnwindSafe>\n                               at /rustc/db823df02fd0c2cf67b43025ac3fef3f2d743245/library/std/src/panicking.rs:544:19\n  26:     0x6270b730a046 - std[3f03f8b59f91bef1]::panic::catch_unwind::<&dyn core[585f66e14d78f9ba]::ops::function::Fn<(), Output = i32> + core[585f66e14d78f9ba]::marker::Sync + core[585f66e14d78f9ba]::panic::unwind_safe::RefUnwindSafe, i32>\n                               at /rustc/db823df02fd0c2cf67b43025ac3fef3f2d743245/library/std/src/panic.rs:359:14\n  27:     0x6270b730a046 - std[3f03f8b59f91bef1]::rt::lang_start_internal::{closure#0}\n                               at /rustc/db823df02fd0c2cf67b43025ac3fef3f2d743245/library/std/src/rt.rs:175:24\n  28:     0x6270b730a046 - std[3f03f8b59f91bef1]::panicking::catch_unwind::do_call::<std[3f03f8b59f91bef1]::rt::lang_start_internal::{closure#0}, isize>\n                               at /rustc/db823df02fd0c2cf67b43025ac3fef3f2d743245/library/std/src/panicking.rs:581:40\n  29:     0x6270b730a046 - std[3f03f8b59f91bef1]::panicking::catch_unwind::<isize, std[3f03f8b59f91bef1]::rt::lang_start_internal::{closure#0}>\n                               at /rustc/db823df02fd0c2cf67b43025ac3fef3f2d743245/library/std/src/panicking.rs:544:19\n  30:     0x6270b730a046 - std[3f03f8b59f91bef1]::panic::catch_unwind::<std[3f03f8b59f91bef1]::rt::lang_start_internal::{closure#0}, isize>\n                               at /rustc/db823df02fd0c2cf67b43025ac3fef3f2d743245/library/std/src/panic.rs:359:14\n  31:     0x6270b730a046 - std[3f03f8b59f91bef1]::rt::lang_start_internal\n                               at /rustc/db823df02fd0c2cf67b43025ac3fef3f2d743245/library/std/src/rt.rs:171:5\n  32:     0x6270b71b7657 - std[3f03f8b59f91bef1]::rt::lang_start::<()>\n                               at /rustc/db823df02fd0c2cf67b43025ac3fef3f2d743245/library/std/src/rt.rs:205:5\n  33:     0x6270b71b788e - main\n  34:     0x7fc58617d1ca - <unknown>\n  35:     0x7fc58617d28b - __libc_start_main\n  36:     0x6270b71b74b5 - _start\n  37:                0x0 - <unknown>\n"
[INFO] [stdout] 
[INFO] [stdout] stack backtrace:
[INFO] [stdout]    0:     0x5a880902e1d2 - std[3f03f8b59f91bef1]::backtrace_rs::backtrace::libunwind::trace
[INFO] [stdout]                                at /rustc/db823df02fd0c2cf67b43025ac3fef3f2d743245/library/std/src/../../backtrace/src/backtrace/libunwind.rs:117:9
[INFO] [stdout]    1:     0x5a880902e1d2 - std[3f03f8b59f91bef1]::backtrace_rs::backtrace::trace_unsynchronized::<std[3f03f8b59f91bef1]::sys::backtrace::_print_fmt::{closure#1}>
[INFO] [stdout]                                at /rustc/db823df02fd0c2cf67b43025ac3fef3f2d743245/library/std/src/../../backtrace/src/backtrace/mod.rs:66:14
[INFO] [stdout]    2:     0x5a880902e1d2 - std[3f03f8b59f91bef1]::sys::backtrace::_print_fmt
[INFO] [stdout]                                at /rustc/db823df02fd0c2cf67b43025ac3fef3f2d743245/library/std/src/sys/backtrace.rs:74:9
[INFO] [stdout]    3:     0x5a880902e1d2 - <<std[3f03f8b59f91bef1]::sys::backtrace::BacktraceLock>::print::DisplayBacktrace as core[585f66e14d78f9ba]::fmt::Display>::fmt
[INFO] [stdout]                                at /rustc/db823df02fd0c2cf67b43025ac3fef3f2d743245/library/std/src/sys/backtrace.rs:44:26
[INFO] [stdout]    4:     0x5a8809044a0a - <core[585f66e14d78f9ba]::fmt::rt::Argument>::fmt
[INFO] [stdout]                                at /rustc/db823df02fd0c2cf67b43025ac3fef3f2d743245/library/core/src/fmt/rt.rs:152:76
[INFO] [stdout]    5:     0x5a8809044a0a - core[585f66e14d78f9ba]::fmt::write
[INFO] [stdout]    6:     0x5a8809034446 - std[3f03f8b59f91bef1]::io::default_write_fmt::<alloc[15e7b27aba85d2e2]::vec::Vec<u8>>
[INFO] [stdout]                                at /rustc/db823df02fd0c2cf67b43025ac3fef3f2d743245/library/std/src/io/mod.rs:639:11
[INFO] [stdout]    7:     0x5a8809034446 - <alloc[15e7b27aba85d2e2]::vec::Vec<u8> as std[3f03f8b59f91bef1]::io::Write>::write_fmt
[INFO] [stdout]                                at /rustc/db823df02fd0c2cf67b43025ac3fef3f2d743245/library/std/src/io/mod.rs:1994:13
[INFO] [stdout]    8:     0x5a880900c03f - <std[3f03f8b59f91bef1]::sys::backtrace::BacktraceLock>::print
[INFO] [stdout]                                at /rustc/db823df02fd0c2cf67b43025ac3fef3f2d743245/library/std/src/sys/backtrace.rs:47:9
[INFO] [stdout]    9:     0x5a880900c03f - std[3f03f8b59f91bef1]::panicking::default_hook::{closure#0}
[INFO] [stdout]                                at /rustc/db823df02fd0c2cf67b43025ac3fef3f2d743245/library/std/src/panicking.rs:292:27
[INFO] [stdout]   10:     0x5a8809026489 - std[3f03f8b59f91bef1]::panicking::default_hook
[INFO] [stdout]                                at /rustc/db823df02fd0c2cf67b43025ac3fef3f2d743245/library/std/src/panicking.rs:316:9
[INFO] [stdout]   11:     0x5a8808f89c0e - <alloc[15e7b27aba85d2e2]::boxed::Box<dyn for<'a, 'b> core[585f66e14d78f9ba]::ops::function::Fn<(&'a std[3f03f8b59f91bef1]::panic::PanicHookInfo<'b>,), Output = ()> + core[585f66e14d78f9ba]::marker::Sync + core[585f66e14d78f9ba]::marker::Send> as core[585f66e14d78f9ba]::ops::function::Fn<(&std[3f03f8b59f91bef1]::panic::PanicHookInfo,)>>::call
[INFO] [stdout]                                at /rustc/db823df02fd0c2cf67b43025ac3fef3f2d743245/library/alloc/src/boxed.rs:2220:9
[INFO] [stdout]   12:     0x5a8808f89c0e - test[30224e0cb089acd2]::test_main_with_exit_callback::<test[30224e0cb089acd2]::test_main::{closure#0}>::{closure#0}
[INFO] [stdout]                                at /rustc/db823df02fd0c2cf67b43025ac3fef3f2d743245/library/test/src/lib.rs:145:21
[INFO] [stdout]   13:     0x5a8809026642 - <alloc[15e7b27aba85d2e2]::boxed::Box<dyn for<'a, 'b> core[585f66e14d78f9ba]::ops::function::Fn<(&'a std[3f03f8b59f91bef1]::panic::PanicHookInfo<'b>,), Output = ()> + core[585f66e14d78f9ba]::marker::Sync + core[585f66e14d78f9ba]::marker::Send> as core[585f66e14d78f9ba]::ops::function::Fn<(&std[3f03f8b59f91bef1]::panic::PanicHookInfo,)>>::call
[INFO] [stdout]                                at /rustc/db823df02fd0c2cf67b43025ac3fef3f2d743245/library/alloc/src/boxed.rs:2220:9
[INFO] [stdout]   14:     0x5a8809026642 - std[3f03f8b59f91bef1]::panicking::panic_with_hook
[INFO] [stdout]                                at /rustc/db823df02fd0c2cf67b43025ac3fef3f2d743245/library/std/src/panicking.rs:833:13
[INFO] [stdout]   15:     0x5a880900c0f8 - std[3f03f8b59f91bef1]::panicking::panic_handler::{closure#0}
[INFO] [stdout]                                at /rustc/db823df02fd0c2cf67b43025ac3fef3f2d743245/library/std/src/panicking.rs:698:13
[INFO] [stdout]   16:     0x5a88090012e9 - std[3f03f8b59f91bef1]::sys::backtrace::__rust_end_short_backtrace::<std[3f03f8b59f91bef1]::panicking::panic_handler::{closure#0}, !>
[INFO] [stdout]                                at /rustc/db823df02fd0c2cf67b43025ac3fef3f2d743245/library/std/src/sys/backtrace.rs:182:18
[INFO] [stdout]   17:     0x5a880900cf4d - __rustc[caa99d26c7bae192]::rust_begin_unwind
[INFO] [stdout]                                at /rustc/db823df02fd0c2cf67b43025ac3fef3f2d743245/library/std/src/panicking.rs:689:5
[INFO] [stdout]   18:     0x5a880904511c - core[585f66e14d78f9ba]::panicking::panic_fmt
[INFO] [stdout]                                at /rustc/db823df02fd0c2cf67b43025ac3fef3f2d743245/library/core/src/panicking.rs:80:14
[INFO] [stdout]   19:     0x5a8808f329a8 - core[585f66e14d78f9ba]::panicking::panic_display::<assert_cmd[a5da273e5b210b64]::assert::AssertError>
[INFO] [stdout]                                at /rustc/db823df02fd0c2cf67b43025ac3fef3f2d743245/library/core/src/panicking.rs:259:5
[INFO] [stdout]   20:     0x5a8808f39de7 - <assert_cmd[a5da273e5b210b64]::assert::AssertError>::panic::<assert_cmd[a5da273e5b210b64]::assert::Assert>
[INFO] [stdout]                                at /opt/rustwide/cargo-home/registry/src/index.crates.io-1949cf8c6b5b557f/assert_cmd-2.0.4/src/assert.rs:1036:9
[INFO] [stdout]   21:     0x5a8808f3d467 - <<assert_cmd[a5da273e5b210b64]::assert::AssertError>::panic<assert_cmd[a5da273e5b210b64]::assert::Assert> as core[585f66e14d78f9ba]::ops::function::FnOnce<(assert_cmd[a5da273e5b210b64]::assert::AssertError,)>>::call_once
[INFO] [stdout]                                at /rustc/db823df02fd0c2cf67b43025ac3fef3f2d743245/library/core/src/ops/function.rs:250:5
[INFO] [stdout]   22:     0x5a8808f32404 - <core[585f66e14d78f9ba]::result::Result<assert_cmd[a5da273e5b210b64]::assert::Assert, assert_cmd[a5da273e5b210b64]::assert::AssertError>>::unwrap_or_else::<<assert_cmd[a5da273e5b210b64]::assert::AssertError>::panic<assert_cmd[a5da273e5b210b64]::assert::Assert>>
[INFO] [stdout]                                at /rustc/db823df02fd0c2cf67b43025ac3fef3f2d743245/library/core/src/result.rs:1622:23
[INFO] [stdout]   23:     0x5a8808f3c210 - <assert_cmd[a5da273e5b210b64]::assert::Assert>::success
[INFO] [stdout]                                at /opt/rustwide/cargo-home/registry/src/index.crates.io-1949cf8c6b5b557f/assert_cmd-2.0.4/src/assert.rs:156:28
[INFO] [stdout]   24:     0x5a8808f2c351 - cli[e68d740185eb4e5a]::run_read_file
[INFO] [stdout]                                at /opt/rustwide/workdir/tests/cli.rs:63:10
[INFO] [stdout]   25:     0x5a8808f2c7ce - cli[e68d740185eb4e5a]::read_lines
[INFO] [stdout]                                at /opt/rustwide/workdir/tests/cli.rs:86:5
[INFO] [stdout]   26:     0x5a8808f2bdf7 - cli[e68d740185eb4e5a]::read_lines::{closure#0}
[INFO] [stdout]                                at /opt/rustwide/workdir/tests/cli.rs:85:16
[INFO] [stdout]   27:     0x5a8808f2ea76 - <cli[e68d740185eb4e5a]::read_lines::{closure#0} as core[585f66e14d78f9ba]::ops::function::FnOnce<()>>::call_once
[INFO] [stdout]                                at /rustc/db823df02fd0c2cf67b43025ac3fef3f2d743245/library/core/src/ops/function.rs:250:5
[INFO] [stdout]   28:     0x5a8808f7dfbb - <fn() -> core[585f66e14d78f9ba]::result::Result<(), alloc[15e7b27aba85d2e2]::string::String> as core[585f66e14d78f9ba]::ops::function::FnOnce<()>>::call_once
[INFO] [stdout]                                at /rustc/db823df02fd0c2cf67b43025ac3fef3f2d743245/library/core/src/ops/function.rs:250:5
[INFO] [stdout]   29:     0x5a8808f7dfbb - test[30224e0cb089acd2]::__rust_begin_short_backtrace::<core[585f66e14d78f9ba]::result::Result<(), alloc[15e7b27aba85d2e2]::string::String>, fn() -> core[585f66e14d78f9ba]::result::Result<(), alloc[15e7b27aba85d2e2]::string::String>>
[INFO] [stdout]                                at /rustc/db823df02fd0c2cf67b43025ac3fef3f2d743245/library/test/src/lib.rs:663:18
[INFO] [stdout]   30:     0x5a8808f8a81a - test[30224e0cb089acd2]::run_test_in_process::{closure#0}
[INFO] [stdout]                                at /rustc/db823df02fd0c2cf67b43025ac3fef3f2d743245/library/test/src/lib.rs:686:74
[INFO] [stdout]   31:     0x5a8808f8a81a - <core[585f66e14d78f9ba]::panic::unwind_safe::AssertUnwindSafe<test[30224e0cb089acd2]::run_test_in_process::{closure#0}> as core[585f66e14d78f9ba]::ops::function::FnOnce<()>>::call_once
[INFO] [stdout]                                at /rustc/db823df02fd0c2cf67b43025ac3fef3f2d743245/library/core/src/panic/unwind_safe.rs:274:9
[INFO] [stdout]   32:     0x5a8808f8a81a - std[3f03f8b59f91bef1]::panicking::catch_unwind::do_call::<core[585f66e14d78f9ba]::panic::unwind_safe::AssertUnwindSafe<test[30224e0cb089acd2]::run_test_in_process::{closure#0}>, core[585f66e14d78f9ba]::result::Result<(), alloc[15e7b27aba85d2e2]::string::String>>
[INFO] [stdout]                                at /rustc/db823df02fd0c2cf67b43025ac3fef3f2d743245/library/std/src/panicking.rs:581:40
[INFO] [stdout]   33:     0x5a8808f8a81a - std[3f03f8b59f91bef1]::panicking::catch_unwind::<core[585f66e14d78f9ba]::result::Result<(), alloc[15e7b27aba85d2e2]::string::String>, core[585f66e14d78f9ba]::panic::unwind_safe::AssertUnwindSafe<test[30224e0cb089acd2]::run_test_in_process::{closure#0}>>
[INFO] [stdout]                                at /rustc/db823df02fd0c2cf67b43025ac3fef3f2d743245/library/std/src/panicking.rs:544:19
[INFO] [stdout]   34:     0x5a8808f8a81a - std[3f03f8b59f91bef1]::panic::catch_unwind::<core[585f66e14d78f9ba]::panic::unwind_safe::AssertUnwindSafe<test[30224e0cb089acd2]::run_test_in_process::{closure#0}>, core[585f66e14d78f9ba]::result::Result<(), alloc[15e7b27aba85d2e2]::string::String>>
[INFO] [stdout]                                at /rustc/db823df02fd0c2cf67b43025ac3fef3f2d743245/library/std/src/panic.rs:359:14
[INFO] [stdout]   35:     0x5a8808f8a81a - test[30224e0cb089acd2]::run_test_in_process
[INFO] [stdout]                                at /rustc/db823df02fd0c2cf67b43025ac3fef3f2d743245/library/test/src/lib.rs:686:27
[INFO] [stdout]   36:     0x5a8808f8a81a - test[30224e0cb089acd2]::run_test::{closure#0}
[INFO] [stdout]                                at /rustc/db823df02fd0c2cf67b43025ac3fef3f2d743245/library/test/src/lib.rs:607:43
[INFO] [stdout]   37:     0x5a8808f84ce4 - test[30224e0cb089acd2]::run_test::{closure#1}
[INFO] [stdout]                                at /rustc/db823df02fd0c2cf67b43025ac3fef3f2d743245/library/test/src/lib.rs:637:41
[INFO] [stdout]   38:     0x5a8808f84ce4 - std[3f03f8b59f91bef1]::sys::backtrace::__rust_begin_short_backtrace::<test[30224e0cb089acd2]::run_test::{closure#1}, ()>
[INFO] [stdout]                                at /rustc/db823df02fd0c2cf67b43025ac3fef3f2d743245/library/std/src/sys/backtrace.rs:166:18
[INFO] [stdout]   39:     0x5a8808f8d312 - std[3f03f8b59f91bef1]::thread::lifecycle::spawn_unchecked::<test[30224e0cb089acd2]::run_test::{closure#1}, ()>::{closure#1}::{closure#0}
[INFO] [stdout]                                at /rustc/db823df02fd0c2cf67b43025ac3fef3f2d743245/library/std/src/thread/lifecycle.rs:91:13
[INFO] [stdout]   40:     0x5a8808f8d312 - <core[585f66e14d78f9ba]::panic::unwind_safe::AssertUnwindSafe<std[3f03f8b59f91bef1]::thread::lifecycle::spawn_unchecked<test[30224e0cb089acd2]::run_test::{closure#1}, ()>::{closure#1}::{closure#0}> as core[585f66e14d78f9ba]::ops::function::FnOnce<()>>::call_once
[INFO] [stdout]                                at /rustc/db823df02fd0c2cf67b43025ac3fef3f2d743245/library/core/src/panic/unwind_safe.rs:274:9
[INFO] [stdout]   41:     0x5a8808f8d312 - std[3f03f8b59f91bef1]::panicking::catch_unwind::do_call::<core[585f66e14d78f9ba]::panic::unwind_safe::AssertUnwindSafe<std[3f03f8b59f91bef1]::thread::lifecycle::spawn_unchecked<test[30224e0cb089acd2]::run_test::{closure#1}, ()>::{closure#1}::{closure#0}>, ()>
[INFO] [stdout]                                at /rustc/db823df02fd0c2cf67b43025ac3fef3f2d743245/library/std/src/panicking.rs:581:40
[INFO] [stdout]   42:     0x5a8808f8d312 - std[3f03f8b59f91bef1]::panicking::catch_unwind::<(), core[585f66e14d78f9ba]::panic::unwind_safe::AssertUnwindSafe<std[3f03f8b59f91bef1]::thread::lifecycle::spawn_unchecked<test[30224e0cb089acd2]::run_test::{closure#1}, ()>::{closure#1}::{closure#0}>>
[INFO] [stdout]                                at /rustc/db823df02fd0c2cf67b43025ac3fef3f2d743245/library/std/src/panicking.rs:544:19
[INFO] [stdout]   43:     0x5a8808f8d312 - std[3f03f8b59f91bef1]::panic::catch_unwind::<core[585f66e14d78f9ba]::panic::unwind_safe::AssertUnwindSafe<std[3f03f8b59f91bef1]::thread::lifecycle::spawn_unchecked<test[30224e0cb089acd2]::run_test::{closure#1}, ()>::{closure#1}::{closure#0}>, ()>
[INFO] [stdout]                                at /rustc/db823df02fd0c2cf67b43025ac3fef3f2d743245/library/std/src/panic.rs:359:14
[INFO] [stdout]   44:     0x5a8808f8d312 - std[3f03f8b59f91bef1]::thread::lifecycle::spawn_unchecked::<test[30224e0cb089acd2]::run_test::{closure#1}, ()>::{closure#1}
[INFO] [stdout]                                at /rustc/db823df02fd0c2cf67b43025ac3fef3f2d743245/library/std/src/thread/lifecycle.rs:89:26
[INFO] [stdout]   45:     0x5a8808f8d312 - <std[3f03f8b59f91bef1]::thread::lifecycle::spawn_unchecked<test[30224e0cb089acd2]::run_test::{closure#1}, ()>::{closure#1} as core[585f66e14d78f9ba]::ops::function::FnOnce<()>>::call_once::{shim:vtable#0}
[INFO] [stdout]                                at /rustc/db823df02fd0c2cf67b43025ac3fef3f2d743245/library/core/src/ops/function.rs:250:5
[INFO] [stdout]   46:     0x5a880902d9ff - <alloc[15e7b27aba85d2e2]::boxed::Box<dyn core[585f66e14d78f9ba]::ops::function::FnOnce<(), Output = ()> + core[585f66e14d78f9ba]::marker::Send> as core[585f66e14d78f9ba]::ops::function::FnOnce<()>>::call_once
[INFO] [stdout]                                at /rustc/db823df02fd0c2cf67b43025ac3fef3f2d743245/library/alloc/src/boxed.rs:2206:9
[INFO] [stdout]   47:     0x5a880902d9ff - <std[3f03f8b59f91bef1]::sys::thread::unix::Thread>::new::thread_start
[INFO] [stdout]                                at /rustc/db823df02fd0c2cf67b43025ac3fef3f2d743245/library/std/src/sys/thread/unix.rs:119:17
[INFO] [stdout]   48:     0x700b1de73aa4 - <unknown>
[INFO] [stdout]   49:     0x700b1df00a64 - clone
[INFO] [stdout]   50:                0x0 - <unknown>
[INFO] [stdout] 
[INFO] [stdout] ---- test_empty stdout ----
[INFO] [stdout] 
[INFO] [stdout] thread 'test_empty' (41) panicked at /rustc/db823df02fd0c2cf67b43025ac3fef3f2d743245/library/core/src/ops/function.rs:250:5:
[INFO] [stdout] Unexpected failure.
[INFO] [stdout] code-101
[INFO] [stdout] stderr=```"\nthread \'main\' (45) panicked at src/lib.rs:88:10:\nMust use `_os` lookups with `Arg::allow_invalid_utf8` at `lines`\nstack backtrace:\n   0:     0x60682721e252 - std[3f03f8b59f91bef1]::backtrace_rs::backtrace::libunwind::trace\n                               at /rustc/db823df02fd0c2cf67b43025ac3fef3f2d743245/library/std/src/../../backtrace/src/backtrace/libunwind.rs:117:9\n   1:     0x60682721e252 - std[3f03f8b59f91bef1]::backtrace_rs::backtrace::trace_unsynchronized::<std[3f03f8b59f91bef1]::sys::backtrace::_print_fmt::{closure#1}>\n                               at /rustc/db823df02fd0c2cf67b43025ac3fef3f2d743245/library/std/src/../../backtrace/src/backtrace/mod.rs:66:14\n   2:     0x60682721e252 - std[3f03f8b59f91bef1]::sys::backtrace::_print_fmt\n                               at /rustc/db823df02fd0c2cf67b43025ac3fef3f2d743245/library/std/src/sys/backtrace.rs:74:9\n   3:     0x60682721e252 - <<std[3f03f8b59f91bef1]::sys::backtrace::BacktraceLock>::print::DisplayBacktrace as core[585f66e14d78f9ba]::fmt::Display>::fmt\n                               at /rustc/db823df02fd0c2cf67b43025ac3fef3f2d743245/library/std/src/sys/backtrace.rs:44:26\n   4:     0x6068272326fa - <core[585f66e14d78f9ba]::fmt::rt::Argument>::fmt\n                               at /rustc/db823df02fd0c2cf67b43025ac3fef3f2d743245/library/core/src/fmt/rt.rs:152:76\n   5:     0x6068272326fa - core[585f66e14d78f9ba]::fmt::write\n   6:     0x606827224236 - std[3f03f8b59f91bef1]::io::default_write_fmt::<std[3f03f8b59f91bef1]::sys::stdio::unix::Stderr>\n                               at /rustc/db823df02fd0c2cf67b43025ac3fef3f2d743245/library/std/src/io/mod.rs:639:11\n   7:     0x606827224236 - <std[3f03f8b59f91bef1]::sys::stdio::unix::Stderr as std[3f03f8b59f91bef1]::io::Write>::write_fmt\n                               at /rustc/db823df02fd0c2cf67b43025ac3fef3f2d743245/library/std/src/io/mod.rs:1994:13\n   8:     0x60682720826f - <std[3f03f8b59f91bef1]::sys::backtrace::BacktraceLock>::print\n                               at /rustc/db823df02fd0c2cf67b43025ac3fef3f2d743245/library/std/src/sys/backtrace.rs:47:9\n   9:     0x60682720826f - std[3f03f8b59f91bef1]::panicking::default_hook::{closure#0}\n                               at /rustc/db823df02fd0c2cf67b43025ac3fef3f2d743245/library/std/src/panicking.rs:292:27\n  10:     0x606827219cc1 - std[3f03f8b59f91bef1]::panicking::default_hook\n                               at /rustc/db823df02fd0c2cf67b43025ac3fef3f2d743245/library/std/src/panicking.rs:319:9\n  11:     0x606827219e7b - std[3f03f8b59f91bef1]::panicking::panic_with_hook\n                               at /rustc/db823df02fd0c2cf67b43025ac3fef3f2d743245/library/std/src/panicking.rs:825:13\n  12:     0x606827208328 - std[3f03f8b59f91bef1]::panicking::panic_handler::{closure#0}\n                               at /rustc/db823df02fd0c2cf67b43025ac3fef3f2d743245/library/std/src/panicking.rs:698:13\n  13:     0x6068271fd529 - std[3f03f8b59f91bef1]::sys::backtrace::__rust_end_short_backtrace::<std[3f03f8b59f91bef1]::panicking::panic_handler::{closure#0}, !>\n                               at /rustc/db823df02fd0c2cf67b43025ac3fef3f2d743245/library/std/src/sys/backtrace.rs:182:18\n  14:     0x606827208d4d - __rustc[caa99d26c7bae192]::rust_begin_unwind\n                               at /rustc/db823df02fd0c2cf67b43025ac3fef3f2d743245/library/std/src/panicking.rs:689:5\n  15:     0x606827232e0c - core[585f66e14d78f9ba]::panicking::panic_fmt\n                               at /rustc/db823df02fd0c2cf67b43025ac3fef3f2d743245/library/core/src/panicking.rs:80:14\n  16:     0x6068270d521e - clap[d75ff7e1e2f2927e]::parse::matches::arg_matches::assert_utf8_validation\n                               at /opt/rustwide/cargo-home/registry/src/index.crates.io-1949cf8c6b5b557f/clap-3.1.12/src/parse/matches/arg_matches.rs:1408:5\n  17:     0x6068270d2c6b - <clap[d75ff7e1e2f2927e]::parse::matches::arg_matches::ArgMatches>::value_of::<&str>\n                               at /opt/rustwide/cargo-home/registry/src/index.crates.io-1949cf8c6b5b557f/clap-3.1.12/src/parse/matches/arg_matches.rs:145:9\n  18:     0x6068270c90b5 - headr[6763a1303ecc76af]::get_args\n                               at /opt/rustwide/workdir/src/lib.rs:88:10\n  19:     0x6068270c66e2 - headr[f89bb476eb543b4d]::main\n                               at /opt/rustwide/workdir/src/main.rs:2:21\n  20:     0x6068270c67fb - <fn() as core[585f66e14d78f9ba]::ops::function::FnOnce<()>>::call_once\n                               at /rustc/db823df02fd0c2cf67b43025ac3fef3f2d743245/library/core/src/ops/function.rs:250:5\n  21:     0x6068270c666e - std[3f03f8b59f91bef1]::sys::backtrace::__rust_begin_short_backtrace::<fn(), ()>\n                               at /rustc/db823df02fd0c2cf67b43025ac3fef3f2d743245/library/std/src/sys/backtrace.rs:166:18\n  22:     0x6068270c6691 - std[3f03f8b59f91bef1]::rt::lang_start::<()>::{closure#0}\n                               at /rustc/db823df02fd0c2cf67b43025ac3fef3f2d743245/library/std/src/rt.rs:206:18\n  23:     0x606827219046 - <&dyn core[585f66e14d78f9ba]::ops::function::Fn<(), Output = i32> + core[585f66e14d78f9ba]::marker::Sync + core[585f66e14d78f9ba]::panic::unwind_safe::RefUnwindSafe as core[585f66e14d78f9ba]::ops::function::FnOnce<()>>::call_once\n                               at /rustc/db823df02fd0c2cf67b43025ac3fef3f2d743245/library/core/src/ops/function.rs:287:21\n  24:     0x606827219046 - std[3f03f8b59f91bef1]::panicking::catch_unwind::do_call::<&dyn core[585f66e14d78f9ba]::ops::function::Fn<(), Output = i32> + core[585f66e14d78f9ba]::marker::Sync + core[585f66e14d78f9ba]::panic::unwind_safe::RefUnwindSafe, i32>\n                               at /rustc/db823df02fd0c2cf67b43025ac3fef3f2d743245/library/std/src/panicking.rs:581:40\n  25:     0x606827219046 - std[3f03f8b59f91bef1]::panicking::catch_unwind::<i32, &dyn core[585f66e14d78f9ba]::ops::function::Fn<(), Output = i32> + core[585f66e14d78f9ba]::marker::Sync + core[585f66e14d78f9ba]::panic::unwind_safe::RefUnwindSafe>\n                               at /rustc/db823df02fd0c2cf67b43025ac3fef3f2d743245/library/std/src/panicking.rs:544:19\n  26:     0x606827219046 - std[3f03f8b59f91bef1]::panic::catch_unwind::<&dyn core[585f66e14d78f9ba]::ops::function::Fn<(), Output = i32> + core[585f66e14d78f9ba]::marker::Sync + core[585f66e14d78f9ba]::panic::unwind_safe::RefUnwindSafe, i32>\n                               at /rustc/db823df02fd0c2cf67b43025ac3fef3f2d743245/library/std/src/panic.rs:359:14\n  27:     0x606827219046 - std[3f03f8b59f91bef1]::rt::lang_start_internal::{closure#0}\n                               at /rustc/db823df02fd0c2cf67b43025ac3fef3f2d743245/library/std/src/rt.rs:175:24\n  28:     0x606827219046 - std[3f03f8b59f91bef1]::panicking::catch_unwind::do_call::<std[3f03f8b59f91bef1]::rt::lang_start_internal::{closure#0}, isize>\n                               at /rustc/db823df02fd0c2cf67b43025ac3fef3f2d743245/library/std/src/panicking.rs:581:40\n  29:     0x606827219046 - std[3f03f8b59f91bef1]::panicking::catch_unwind::<isize, std[3f03f8b59f91bef1]::rt::lang_start_internal::{closure#0}>\n                               at /rustc/db823df02fd0c2cf67b43025ac3fef3f2d743245/library/std/src/panicking.rs:544:19\n  30:     0x606827219046 - std[3f03f8b59f91bef1]::panic::catch_unwind::<std[3f03f8b59f91bef1]::rt::lang_start_internal::{closure#0}, isize>\n                               at /rustc/db823df02fd0c2cf67b43025ac3fef3f2d743245/library/std/src/panic.rs:359:14\n  31:     0x606827219046 - std[3f03f8b59f91bef1]::rt::lang_start_internal\n                               at /rustc/db823df02fd0c2cf67b43025ac3fef3f2d743245/library/std/src/rt.rs:171:5\n  32:     0x6068270c6657 - std[3f03f8b59f91bef1]::rt::lang_start::<()>\n                               at /rustc/db823df02fd0c2cf67b43025ac3fef3f2d743245/library/std/src/rt.rs:205:5\n  33:     0x6068270c688e - main\n  34:     0x7d40eec591ca - <unknown>\n  35:     0x7d40eec5928b - __libc_start_main\n  36:     0x6068270c64b5 - _start\n  37:                0x0 - <unknown>\n"```
[INFO] [stdout] command=`"/opt/rustwide/target/debug/headr" "-n=2" "tests/inputs/empty.txt"`
[INFO] [stdout] code=101
[INFO] [stdout] stdout=""
[INFO] [stdout] stderr="\nthread \'main\' (45) panicked at src/lib.rs:88:10:\nMust use `_os` lookups with `Arg::allow_invalid_utf8` at `lines`\nstack backtrace:\n   0:     0x60682721e252 - std[3f03f8b59f91bef1]::backtrace_rs::backtrace::libunwind::trace\n                               at /rustc/db823df02fd0c2cf67b43025ac3fef3f2d743245/library/std/src/../../backtrace/src/backtrace/libunwind.rs:117:9\n   1:     0x60682721e252 - std[3f03f8b59f91bef1]::backtrace_rs::backtrace::trace_unsynchronized::<std[3f03f8b59f91bef1]::sys::backtrace::_print_fmt::{closure#1}>\n                               at /rustc/db823df02fd0c2cf67b43025ac3fef3f2d743245/library/std/src/../../backtrace/src/backtrace/mod.rs:66:14\n   2:     0x60682721e252 - std[3f03f8b59f91bef1]::sys::backtrace::_print_fmt\n                               at /rustc/db823df02fd0c2cf67b43025ac3fef3f2d743245/library/std/src/sys/backtrace.rs:74:9\n   3:     0x60682721e252 - <<std[3f03f8b59f91bef1]::sys::backtrace::BacktraceLock>::print::DisplayBacktrace as core[585f66e14d78f9ba]::fmt::Display>::fmt\n                               at /rustc/db823df02fd0c2cf67b43025ac3fef3f2d743245/library/std/src/sys/backtrace.rs:44:26\n   4:     0x6068272326fa - <core[585f66e14d78f9ba]::fmt::rt::Argument>::fmt\n                               at /rustc/db823df02fd0c2cf67b43025ac3fef3f2d743245/library/core/src/fmt/rt.rs:152:76\n   5:     0x6068272326fa - core[585f66e14d78f9ba]::fmt::write\n   6:     0x606827224236 - std[3f03f8b59f91bef1]::io::default_write_fmt::<std[3f03f8b59f91bef1]::sys::stdio::unix::Stderr>\n                               at /rustc/db823df02fd0c2cf67b43025ac3fef3f2d743245/library/std/src/io/mod.rs:639:11\n   7:     0x606827224236 - <std[3f03f8b59f91bef1]::sys::stdio::unix::Stderr as std[3f03f8b59f91bef1]::io::Write>::write_fmt\n                               at /rustc/db823df02fd0c2cf67b43025ac3fef3f2d743245/library/std/src/io/mod.rs:1994:13\n   8:     0x60682720826f - <std[3f03f8b59f91bef1]::sys::backtrace::BacktraceLock>::print\n                               at /rustc/db823df02fd0c2cf67b43025ac3fef3f2d743245/library/std/src/sys/backtrace.rs:47:9\n   9:     0x60682720826f - std[3f03f8b59f91bef1]::panicking::default_hook::{closure#0}\n                               at /rustc/db823df02fd0c2cf67b43025ac3fef3f2d743245/library/std/src/panicking.rs:292:27\n  10:     0x606827219cc1 - std[3f03f8b59f91bef1]::panicking::default_hook\n                               at /rustc/db823df02fd0c2cf67b43025ac3fef3f2d743245/library/std/src/panicking.rs:319:9\n  11:     0x606827219e7b - std[3f03f8b59f91bef1]::panicking::panic_with_hook\n                               at /rustc/db823df02fd0c2cf67b43025ac3fef3f2d743245/library/std/src/panicking.rs:825:13\n  12:     0x606827208328 - std[3f03f8b59f91bef1]::panicking::panic_handler::{closure#0}\n                               at /rustc/db823df02fd0c2cf67b43025ac3fef3f2d743245/library/std/src/panicking.rs:698:13\n  13:     0x6068271fd529 - std[3f03f8b59f91bef1]::sys::backtrace::__rust_end_short_backtrace::<std[3f03f8b59f91bef1]::panicking::panic_handler::{closure#0}, !>\n                               at /rustc/db823df02fd0c2cf67b43025ac3fef3f2d743245/library/std/src/sys/backtrace.rs:182:18\n  14:     0x606827208d4d - __rustc[caa99d26c7bae192]::rust_begin_unwind\n                               at /rustc/db823df02fd0c2cf67b43025ac3fef3f2d743245/library/std/src/panicking.rs:689:5\n  15:     0x606827232e0c - core[585f66e14d78f9ba]::panicking::panic_fmt\n                               at /rustc/db823df02fd0c2cf67b43025ac3fef3f2d743245/library/core/src/panicking.rs:80:14\n  16:     0x6068270d521e - clap[d75ff7e1e2f2927e]::parse::matches::arg_matches::assert_utf8_validation\n                               at /opt/rustwide/cargo-home/registry/src/index.crates.io-1949cf8c6b5b557f/clap-3.1.12/src/parse/matches/arg_matches.rs:1408:5\n  17:     0x6068270d2c6b - <clap[d75ff7e1e2f2927e]::parse::matches::arg_matches::ArgMatches>::value_of::<&str>\n                               at /opt/rustwide/cargo-home/registry/src/index.crates.io-1949cf8c6b5b557f/clap-3.1.12/src/parse/matches/arg_matches.rs:145:9\n  18:     0x6068270c90b5 - headr[6763a1303ecc76af]::get_args\n                               at /opt/rustwide/workdir/src/lib.rs:88:10\n  19:     0x6068270c66e2 - headr[f89bb476eb543b4d]::main\n                               at /opt/rustwide/workdir/src/main.rs:2:21\n  20:     0x6068270c67fb - <fn() as core[585f66e14d78f9ba]::ops::function::FnOnce<()>>::call_once\n                               at /rustc/db823df02fd0c2cf67b43025ac3fef3f2d743245/library/core/src/ops/function.rs:250:5\n  21:     0x6068270c666e - std[3f03f8b59f91bef1]::sys::backtrace::__rust_begin_short_backtrace::<fn(), ()>\n                               at /rustc/db823df02fd0c2cf67b43025ac3fef3f2d743245/library/std/src/sys/backtrace.rs:166:18\n  22:     0x6068270c6691 - std[3f03f8b59f91bef1]::rt::lang_start::<()>::{closure#0}\n                               at /rustc/db823df02fd0c2cf67b43025ac3fef3f2d743245/library/std/src/rt.rs:206:18\n  23:     0x606827219046 - <&dyn core[585f66e14d78f9ba]::ops::function::Fn<(), Output = i32> + core[585f66e14d78f9ba]::marker::Sync + core[585f66e14d78f9ba]::panic::unwind_safe::RefUnwindSafe as core[585f66e14d78f9ba]::ops::function::FnOnce<()>>::call_once\n                               at /rustc/db823df02fd0c2cf67b43025ac3fef3f2d743245/library/core/src/ops/function.rs:287:21\n  24:     0x606827219046 - std[3f03f8b59f91bef1]::panicking::catch_unwind::do_call::<&dyn core[585f66e14d78f9ba]::ops::function::Fn<(), Output = i32> + core[585f66e14d78f9ba]::marker::Sync + core[585f66e14d78f9ba]::panic::unwind_safe::RefUnwindSafe, i32>\n                               at /rustc/db823df02fd0c2cf67b43025ac3fef3f2d743245/library/std/src/panicking.rs:581:40\n  25:     0x606827219046 - std[3f03f8b59f91bef1]::panicking::catch_unwind::<i32, &dyn core[585f66e14d78f9ba]::ops::function::Fn<(), Output = i32> + core[585f66e14d78f9ba]::marker::Sync + core[585f66e14d78f9ba]::panic::unwind_safe::RefUnwindSafe>\n                               at /rustc/db823df02fd0c2cf67b43025ac3fef3f2d743245/library/std/src/panicking.rs:544:19\n  26:     0x606827219046 - std[3f03f8b59f91bef1]::panic::catch_unwind::<&dyn core[585f66e14d78f9ba]::ops::function::Fn<(), Output = i32> + core[585f66e14d78f9ba]::marker::Sync + core[585f66e14d78f9ba]::panic::unwind_safe::RefUnwindSafe, i32>\n                               at /rustc/db823df02fd0c2cf67b43025ac3fef3f2d743245/library/std/src/panic.rs:359:14\n  27:     0x606827219046 - std[3f03f8b59f91bef1]::rt::lang_start_internal::{closure#0}\n                               at /rustc/db823df02fd0c2cf67b43025ac3fef3f2d743245/library/std/src/rt.rs:175:24\n  28:     0x606827219046 - std[3f03f8b59f91bef1]::panicking::catch_unwind::do_call::<std[3f03f8b59f91bef1]::rt::lang_start_internal::{closure#0}, isize>\n                               at /rustc/db823df02fd0c2cf67b43025ac3fef3f2d743245/library/std/src/panicking.rs:581:40\n  29:     0x606827219046 - std[3f03f8b59f91bef1]::panicking::catch_unwind::<isize, std[3f03f8b59f91bef1]::rt::lang_start_internal::{closure#0}>\n                               at /rustc/db823df02fd0c2cf67b43025ac3fef3f2d743245/library/std/src/panicking.rs:544:19\n  30:     0x606827219046 - std[3f03f8b59f91bef1]::panic::catch_unwind::<std[3f03f8b59f91bef1]::rt::lang_start_internal::{closure#0}, isize>\n                               at /rustc/db823df02fd0c2cf67b43025ac3fef3f2d743245/library/std/src/panic.rs:359:14\n  31:     0x606827219046 - std[3f03f8b59f91bef1]::rt::lang_start_internal\n                               at /rustc/db823df02fd0c2cf67b43025ac3fef3f2d743245/library/std/src/rt.rs:171:5\n  32:     0x6068270c6657 - std[3f03f8b59f91bef1]::rt::lang_start::<()>\n                               at /rustc/db823df02fd0c2cf67b43025ac3fef3f2d743245/library/std/src/rt.rs:205:5\n  33:     0x6068270c688e - main\n  34:     0x7d40eec591ca - <unknown>\n  35:     0x7d40eec5928b - __libc_start_main\n  36:     0x6068270c64b5 - _start\n  37:                0x0 - <unknown>\n"
[INFO] [stdout] 
[INFO] [stdout] stack backtrace:
[INFO] [stdout]    0:     0x5a880902e1d2 - std[3f03f8b59f91bef1]::backtrace_rs::backtrace::libunwind::trace
[INFO] [stdout]                                at /rustc/db823df02fd0c2cf67b43025ac3fef3f2d743245/library/std/src/../../backtrace/src/backtrace/libunwind.rs:117:9
[INFO] [stdout]    1:     0x5a880902e1d2 - std[3f03f8b59f91bef1]::backtrace_rs::backtrace::trace_unsynchronized::<std[3f03f8b59f91bef1]::sys::backtrace::_print_fmt::{closure#1}>
[INFO] [stdout]                                at /rustc/db823df02fd0c2cf67b43025ac3fef3f2d743245/library/std/src/../../backtrace/src/backtrace/mod.rs:66:14
[INFO] [stdout]    2:     0x5a880902e1d2 - std[3f03f8b59f91bef1]::sys::backtrace::_print_fmt
[INFO] [stdout]                                at /rustc/db823df02fd0c2cf67b43025ac3fef3f2d743245/library/std/src/sys/backtrace.rs:74:9
[INFO] [stdout]    3:     0x5a880902e1d2 - <<std[3f03f8b59f91bef1]::sys::backtrace::BacktraceLock>::print::DisplayBacktrace as core[585f66e14d78f9ba]::fmt::Display>::fmt
[INFO] [stdout]                                at /rustc/db823df02fd0c2cf67b43025ac3fef3f2d743245/library/std/src/sys/backtrace.rs:44:26
[INFO] [stdout]    4:     0x5a8809044a0a - <core[585f66e14d78f9ba]::fmt::rt::Argument>::fmt
[INFO] [stdout]                                at /rustc/db823df02fd0c2cf67b43025ac3fef3f2d743245/library/core/src/fmt/rt.rs:152:76
[INFO] [stdout]    5:     0x5a8809044a0a - core[585f66e14d78f9ba]::fmt::write
[INFO] [stdout]    6:     0x5a8809034446 - std[3f03f8b59f91bef1]::io::default_write_fmt::<alloc[15e7b27aba85d2e2]::vec::Vec<u8>>
[INFO] [stdout]                                at /rustc/db823df02fd0c2cf67b43025ac3fef3f2d743245/library/std/src/io/mod.rs:639:11
[INFO] [stdout]    7:     0x5a8809034446 - <alloc[15e7b27aba85d2e2]::vec::Vec<u8> as std[3f03f8b59f91bef1]::io::Write>::write_fmt
[INFO] [stdout]                                at /rustc/db823df02fd0c2cf67b43025ac3fef3f2d743245/library/std/src/io/mod.rs:1994:13
[INFO] [stdout]    8:     0x5a880900c03f - <std[3f03f8b59f91bef1]::sys::backtrace::BacktraceLock>::print
[INFO] [stdout]                                at /rustc/db823df02fd0c2cf67b43025ac3fef3f2d743245/library/std/src/sys/backtrace.rs:47:9
[INFO] [stdout]    9:     0x5a880900c03f - std[3f03f8b59f91bef1]::panicking::default_hook::{closure#0}
[INFO] [stdout]                                at /rustc/db823df02fd0c2cf67b43025ac3fef3f2d743245/library/std/src/panicking.rs:292:27
[INFO] [stdout]   10:     0x5a8809026489 - std[3f03f8b59f91bef1]::panicking::default_hook
[INFO] [stdout]                                at /rustc/db823df02fd0c2cf67b43025ac3fef3f2d743245/library/std/src/panicking.rs:316:9
[INFO] [stdout]   11:     0x5a8808f89c0e - <alloc[15e7b27aba85d2e2]::boxed::Box<dyn for<'a, 'b> core[585f66e14d78f9ba]::ops::function::Fn<(&'a std[3f03f8b59f91bef1]::panic::PanicHookInfo<'b>,), Output = ()> + core[585f66e14d78f9ba]::marker::Sync + core[585f66e14d78f9ba]::marker::Send> as core[585f66e14d78f9ba]::ops::function::Fn<(&std[3f03f8b59f91bef1]::panic::PanicHookInfo,)>>::call
[INFO] [stdout]                                at /rustc/db823df02fd0c2cf67b43025ac3fef3f2d743245/library/alloc/src/boxed.rs:2220:9
[INFO] [stdout]   12:     0x5a8808f89c0e - test[30224e0cb089acd2]::test_main_with_exit_callback::<test[30224e0cb089acd2]::test_main::{closure#0}>::{closure#0}
[INFO] [stdout]                                at /rustc/db823df02fd0c2cf67b43025ac3fef3f2d743245/library/test/src/lib.rs:145:21
[INFO] [stdout]   13:     0x5a8809026642 - <alloc[15e7b27aba85d2e2]::boxed::Box<dyn for<'a, 'b> core[585f66e14d78f9ba]::ops::function::Fn<(&'a std[3f03f8b59f91bef1]::panic::PanicHookInfo<'b>,), Output = ()> + core[585f66e14d78f9ba]::marker::Sync + core[585f66e14d78f9ba]::marker::Send> as core[585f66e14d78f9ba]::ops::function::Fn<(&std[3f03f8b59f91bef1]::panic::PanicHookInfo,)>>::call
[INFO] [stdout]                                at /rustc/db823df02fd0c2cf67b43025ac3fef3f2d743245/library/alloc/src/boxed.rs:2220:9
[INFO] [stdout]   14:     0x5a8809026642 - std[3f03f8b59f91bef1]::panicking::panic_with_hook
[INFO] [stdout]                                at /rustc/db823df02fd0c2cf67b43025ac3fef3f2d743245/library/std/src/panicking.rs:833:13
[INFO] [stdout]   15:     0x5a880900c0f8 - std[3f03f8b59f91bef1]::panicking::panic_handler::{closure#0}
[INFO] [stdout]                                at /rustc/db823df02fd0c2cf67b43025ac3fef3f2d743245/library/std/src/panicking.rs:698:13
[INFO] [stdout]   16:     0x5a88090012e9 - std[3f03f8b59f91bef1]::sys::backtrace::__rust_end_short_backtrace::<std[3f03f8b59f91bef1]::panicking::panic_handler::{closure#0}, !>
[INFO] [stdout]                                at /rustc/db823df02fd0c2cf67b43025ac3fef3f2d743245/library/std/src/sys/backtrace.rs:182:18
[INFO] [stdout]   17:     0x5a880900cf4d - __rustc[caa99d26c7bae192]::rust_begin_unwind
[INFO] [stdout]                                at /rustc/db823df02fd0c2cf67b43025ac3fef3f2d743245/library/std/src/panicking.rs:689:5
[INFO] [stdout]   18:     0x5a880904511c - core[585f66e14d78f9ba]::panicking::panic_fmt
[INFO] [stdout]                                at /rustc/db823df02fd0c2cf67b43025ac3fef3f2d743245/library/core/src/panicking.rs:80:14
[INFO] [stdout]   19:     0x5a8808f329a8 - core[585f66e14d78f9ba]::panicking::panic_display::<assert_cmd[a5da273e5b210b64]::assert::AssertError>
[INFO] [stdout]                                at /rustc/db823df02fd0c2cf67b43025ac3fef3f2d743245/library/core/src/panicking.rs:259:5
[INFO] [stdout]   20:     0x5a8808f39de7 - <assert_cmd[a5da273e5b210b64]::assert::AssertError>::panic::<assert_cmd[a5da273e5b210b64]::assert::Assert>
[INFO] [stdout]                                at /opt/rustwide/cargo-home/registry/src/index.crates.io-1949cf8c6b5b557f/assert_cmd-2.0.4/src/assert.rs:1036:9
[INFO] [stdout]   21:     0x5a8808f3d467 - <<assert_cmd[a5da273e5b210b64]::assert::AssertError>::panic<assert_cmd[a5da273e5b210b64]::assert::Assert> as core[585f66e14d78f9ba]::ops::function::FnOnce<(assert_cmd[a5da273e5b210b64]::assert::AssertError,)>>::call_once
[INFO] [stdout]                                at /rustc/db823df02fd0c2cf67b43025ac3fef3f2d743245/library/core/src/ops/function.rs:250:5
[INFO] [stdout]   22:     0x5a8808f32404 - <core[585f66e14d78f9ba]::result::Result<assert_cmd[a5da273e5b210b64]::assert::Assert, assert_cmd[a5da273e5b210b64]::assert::AssertError>>::unwrap_or_else::<<assert_cmd[a5da273e5b210b64]::assert::AssertError>::panic<assert_cmd[a5da273e5b210b64]::assert::Assert>>
[INFO] [stdout]                                at /rustc/db823df02fd0c2cf67b43025ac3fef3f2d743245/library/core/src/result.rs:1622:23
[INFO] [stdout]   23:     0x5a8808f3c210 - <assert_cmd[a5da273e5b210b64]::assert::Assert>::success
[INFO] [stdout]                                at /opt/rustwide/cargo-home/registry/src/index.crates.io-1949cf8c6b5b557f/assert_cmd-2.0.4/src/assert.rs:156:28
[INFO] [stdout]   24:     0x5a8808f2c351 - cli[e68d740185eb4e5a]::run_read_file
[INFO] [stdout]                                at /opt/rustwide/workdir/tests/cli.rs:63:10
[INFO] [stdout]   25:     0x5a8808f2c97e - cli[e68d740185eb4e5a]::test_empty
[INFO] [stdout]                                at /opt/rustwide/workdir/tests/cli.rs:68:5
[INFO] [stdout]   26:     0x5a8808f2be57 - cli[e68d740185eb4e5a]::test_empty::{closure#0}
[INFO] [stdout]                                at /opt/rustwide/workdir/tests/cli.rs:67:16
[INFO] [stdout]   27:     0x5a8808f2eaf6 - <cli[e68d740185eb4e5a]::test_empty::{closure#0} as core[585f66e14d78f9ba]::ops::function::FnOnce<()>>::call_once
[INFO] [stdout]                                at /rustc/db823df02fd0c2cf67b43025ac3fef3f2d743245/library/core/src/ops/function.rs:250:5
[INFO] [stdout]   28:     0x5a8808f7dfbb - <fn() -> core[585f66e14d78f9ba]::result::Result<(), alloc[15e7b27aba85d2e2]::string::String> as core[585f66e14d78f9ba]::ops::function::FnOnce<()>>::call_once
[INFO] [stdout]                                at /rustc/db823df02fd0c2cf67b43025ac3fef3f2d743245/library/core/src/ops/function.rs:250:5
[INFO] [stdout]   29:     0x5a8808f7dfbb - test[30224e0cb089acd2]::__rust_begin_short_backtrace::<core[585f66e14d78f9ba]::result::Result<(), alloc[15e7b27aba85d2e2]::string::String>, fn() -> core[585f66e14d78f9ba]::result::Result<(), alloc[15e7b27aba85d2e2]::string::String>>
[INFO] [stdout]                                at /rustc/db823df02fd0c2cf67b43025ac3fef3f2d743245/library/test/src/lib.rs:663:18
[INFO] [stdout]   30:     0x5a8808f8a81a - test[30224e0cb089acd2]::run_test_in_process::{closure#0}
[INFO] [stdout]                                at /rustc/db823df02fd0c2cf67b43025ac3fef3f2d743245/library/test/src/lib.rs:686:74
[INFO] [stdout]   31:     0x5a8808f8a81a - <core[585f66e14d78f9ba]::panic::unwind_safe::AssertUnwindSafe<test[30224e0cb089acd2]::run_test_in_process::{closure#0}> as core[585f66e14d78f9ba]::ops::function::FnOnce<()>>::call_once
[INFO] [stdout]                                at /rustc/db823df02fd0c2cf67b43025ac3fef3f2d743245/library/core/src/panic/unwind_safe.rs:274:9
[INFO] [stdout]   32:     0x5a8808f8a81a - std[3f03f8b59f91bef1]::panicking::catch_unwind::do_call::<core[585f66e14d78f9ba]::panic::unwind_safe::AssertUnwindSafe<test[30224e0cb089acd2]::run_test_in_process::{closure#0}>, core[585f66e14d78f9ba]::result::Result<(), alloc[15e7b27aba85d2e2]::string::String>>
[INFO] [stdout]                                at /rustc/db823df02fd0c2cf67b43025ac3fef3f2d743245/library/std/src/panicking.rs:581:40
[INFO] [stdout]   33:     0x5a8808f8a81a - std[3f03f8b59f91bef1]::panicking::catch_unwind::<core[585f66e14d78f9ba]::result::Result<(), alloc[15e7b27aba85d2e2]::string::String>, core[585f66e14d78f9ba]::panic::unwind_safe::AssertUnwindSafe<test[30224e0cb089acd2]::run_test_in_process::{closure#0}>>
[INFO] [stdout]                                at /rustc/db823df02fd0c2cf67b43025ac3fef3f2d743245/library/std/src/panicking.rs:544:19
[INFO] [stdout]   34:     0x5a8808f8a81a - std[3f03f8b59f91bef1]::panic::catch_unwind::<core[585f66e14d78f9ba]::panic::unwind_safe::AssertUnwindSafe<test[30224e0cb089acd2]::run_test_in_process::{closure#0}>, core[585f66e14d78f9ba]::result::Result<(), alloc[15e7b27aba85d2e2]::string::String>>
[INFO] [stdout]                                at /rustc/db823df02fd0c2cf67b43025ac3fef3f2d743245/library/std/src/panic.rs:359:14
[INFO] [stdout]   35:     0x5a8808f8a81a - test[30224e0cb089acd2]::run_test_in_process
[INFO] [stdout]                                at /rustc/db823df02fd0c2cf67b43025ac3fef3f2d743245/library/test/src/lib.rs:686:27
[INFO] [stdout]   36:     0x5a8808f8a81a - test[30224e0cb089acd2]::run_test::{closure#0}
[INFO] [stdout]                                at /rustc/db823df02fd0c2cf67b43025ac3fef3f2d743245/library/test/src/lib.rs:607:43
[INFO] [stdout]   37:     0x5a8808f84ce4 - test[30224e0cb089acd2]::run_test::{closure#1}
[INFO] [stdout]                                at /rustc/db823df02fd0c2cf67b43025ac3fef3f2d743245/library/test/src/lib.rs:637:41
[INFO] [stdout]   38:     0x5a8808f84ce4 - std[3f03f8b59f91bef1]::sys::backtrace::__rust_begin_short_backtrace::<test[30224e0cb089acd2]::run_test::{closure#1}, ()>
[INFO] [stdout]                                at /rustc/db823df02fd0c2cf67b43025ac3fef3f2d743245/library/std/src/sys/backtrace.rs:166:18
[INFO] [stdout]   39:     0x5a8808f8d312 - std[3f03f8b59f91bef1]::thread::lifecycle::spawn_unchecked::<test[30224e0cb089acd2]::run_test::{closure#1}, ()>::{closure#1}::{closure#0}
[INFO] [stdout]                                at /rustc/db823df02fd0c2cf67b43025ac3fef3f2d743245/library/std/src/thread/lifecycle.rs:91:13
[INFO] [stdout]   40:     0x5a8808f8d312 - <core[585f66e14d78f9ba]::panic::unwind_safe::AssertUnwindSafe<std[3f03f8b59f91bef1]::thread::lifecycle::spawn_unchecked<test[30224e0cb089acd2]::run_test::{closure#1}, ()>::{closure#1}::{closure#0}> as core[585f66e14d78f9ba]::ops::function::FnOnce<()>>::call_once
[INFO] [stdout]                                at /rustc/db823df02fd0c2cf67b43025ac3fef3f2d743245/library/core/src/panic/unwind_safe.rs:274:9
[INFO] [stdout]   41:     0x5a8808f8d312 - std[3f03f8b59f91bef1]::panicking::catch_unwind::do_call::<core[585f66e14d78f9ba]::panic::unwind_safe::AssertUnwindSafe<std[3f03f8b59f91bef1]::thread::lifecycle::spawn_unchecked<test[30224e0cb089acd2]::run_test::{closure#1}, ()>::{closure#1}::{closure#0}>, ()>
[INFO] [stdout]                                at /rustc/db823df02fd0c2cf67b43025ac3fef3f2d743245/library/std/src/panicking.rs:581:40
[INFO] [stdout]   42:     0x5a8808f8d312 - std[3f03f8b59f91bef1]::panicking::catch_unwind::<(), core[585f66e14d78f9ba]::panic::unwind_safe::AssertUnwindSafe<std[3f03f8b59f91bef1]::thread::lifecycle::spawn_unchecked<test[30224e0cb089acd2]::run_test::{closure#1}, ()>::{closure#1}::{closure#0}>>
[INFO] [stdout]                                at /rustc/db823df02fd0c2cf67b43025ac3fef3f2d743245/library/std/src/panicking.rs:544:19
[INFO] [stdout]   43:     0x5a8808f8d312 - std[3f03f8b59f91bef1]::panic::catch_unwind::<core[585f66e14d78f9ba]::panic::unwind_safe::AssertUnwindSafe<std[3f03f8b59f91bef1]::thread::lifecycle::spawn_unchecked<test[30224e0cb089acd2]::run_test::{closure#1}, ()>::{closure#1}::{closure#0}>, ()>
[INFO] [stdout]                                at /rustc/db823df02fd0c2cf67b43025ac3fef3f2d743245/library/std/src/panic.rs:359:14
[INFO] [stdout]   44:     0x5a8808f8d312 - std[3f03f8b59f91bef1]::thread::lifecycle::spawn_unchecked::<test[30224e0cb089acd2]::run_test::{closure#1}, ()>::{closure#1}
[INFO] [stdout]                                at /rustc/db823df02fd0c2cf67b43025ac3fef3f2d743245/library/std/src/thread/lifecycle.rs:89:26
[INFO] [stdout]   45:     0x5a8808f8d312 - <std[3f03f8b59f91bef1]::thread::lifecycle::spawn_unchecked<test[30224e0cb089acd2]::run_test::{closure#1}, ()>::{closure#1} as core[585f66e14d78f9ba]::ops::function::FnOnce<()>>::call_once::{shim:vtable#0}
[INFO] [stdout]                                at /rustc/db823df02fd0c2cf67b43025ac3fef3f2d743245/library/core/src/ops/function.rs:250:5
[INFO] [stdout]   46:     0x5a880902d9ff - <alloc[15e7b27aba85d2e2]::boxed::Box<dyn core[585f66e14d78f9ba]::ops::function::FnOnce<(), Output = ()> + core[585f66e14d78f9ba]::marker::Send> as core[585f66e14d78f9ba]::ops::function::FnOnce<()>>::call_once
[INFO] [stdout]                                at /rustc/db823df02fd0c2cf67b43025ac3fef3f2d743245/library/alloc/src/boxed.rs:2206:9
[INFO] [stdout]   47:     0x5a880902d9ff - <std[3f03f8b59f91bef1]::sys::thread::unix::Thread>::new::thread_start
[INFO] [stdout]                                at /rustc/db823df02fd0c2cf67b43025ac3fef3f2d743245/library/std/src/sys/thread/unix.rs:119:17
[INFO] [stdout]   48:     0x700b1de73aa4 - <unknown>
[INFO] [stdout]   49:     0x700b1df00a64 - clone
[INFO] [stdout]   50:                0x0 - <unknown>
[INFO] [stdout] 
[INFO] [stdout] ---- test_bytes stdout ----
[INFO] [stdout] 
[INFO] [stdout] thread 'test_bytes' (36) panicked at /rustc/db823df02fd0c2cf67b43025ac3fef3f2d743245/library/core/src/ops/function.rs:250:5:
[INFO] [stdout] Unexpected failure.
[INFO] [stdout] code-101
[INFO] [stdout] stderr=```"\nthread \'main\' (47) panicked at src/lib.rs:95:10:\nMust use `_os` lookups with `Arg::allow_invalid_utf8` at `bytes`\nstack backtrace:\n   0:     0x64099e554252 - std[3f03f8b59f91bef1]::backtrace_rs::backtrace::libunwind::trace\n                               at /rustc/db823df02fd0c2cf67b43025ac3fef3f2d743245/library/std/src/../../backtrace/src/backtrace/libunwind.rs:117:9\n   1:     0x64099e554252 - std[3f03f8b59f91bef1]::backtrace_rs::backtrace::trace_unsynchronized::<std[3f03f8b59f91bef1]::sys::backtrace::_print_fmt::{closure#1}>\n                               at /rustc/db823df02fd0c2cf67b43025ac3fef3f2d743245/library/std/src/../../backtrace/src/backtrace/mod.rs:66:14\n   2:     0x64099e554252 - std[3f03f8b59f91bef1]::sys::backtrace::_print_fmt\n                               at /rustc/db823df02fd0c2cf67b43025ac3fef3f2d743245/library/std/src/sys/backtrace.rs:74:9\n   3:     0x64099e554252 - <<std[3f03f8b59f91bef1]::sys::backtrace::BacktraceLock>::print::DisplayBacktrace as core[585f66e14d78f9ba]::fmt::Display>::fmt\n                               at /rustc/db823df02fd0c2cf67b43025ac3fef3f2d743245/library/std/src/sys/backtrace.rs:44:26\n   4:     0x64099e5686fa - <core[585f66e14d78f9ba]::fmt::rt::Argument>::fmt\n                               at /rustc/db823df02fd0c2cf67b43025ac3fef3f2d743245/library/core/src/fmt/rt.rs:152:76\n   5:     0x64099e5686fa - core[585f66e14d78f9ba]::fmt::write\n   6:     0x64099e55a236 - std[3f03f8b59f91bef1]::io::default_write_fmt::<std[3f03f8b59f91bef1]::sys::stdio::unix::Stderr>\n                               at /rustc/db823df02fd0c2cf67b43025ac3fef3f2d743245/library/std/src/io/mod.rs:639:11\n   7:     0x64099e55a236 - <std[3f03f8b59f91bef1]::sys::stdio::unix::Stderr as std[3f03f8b59f91bef1]::io::Write>::write_fmt\n                               at /rustc/db823df02fd0c2cf67b43025ac3fef3f2d743245/library/std/src/io/mod.rs:1994:13\n   8:     0x64099e53e26f - <std[3f03f8b59f91bef1]::sys::backtrace::BacktraceLock>::print\n                               at /rustc/db823df02fd0c2cf67b43025ac3fef3f2d743245/library/std/src/sys/backtrace.rs:47:9\n   9:     0x64099e53e26f - std[3f03f8b59f91bef1]::panicking::default_hook::{closure#0}\n                               at /rustc/db823df02fd0c2cf67b43025ac3fef3f2d743245/library/std/src/panicking.rs:292:27\n  10:     0x64099e54fcc1 - std[3f03f8b59f91bef1]::panicking::default_hook\n                               at /rustc/db823df02fd0c2cf67b43025ac3fef3f2d743245/library/std/src/panicking.rs:319:9\n  11:     0x64099e54fe7b - std[3f03f8b59f91bef1]::panicking::panic_with_hook\n                               at /rustc/db823df02fd0c2cf67b43025ac3fef3f2d743245/library/std/src/panicking.rs:825:13\n  12:     0x64099e53e328 - std[3f03f8b59f91bef1]::panicking::panic_handler::{closure#0}\n                               at /rustc/db823df02fd0c2cf67b43025ac3fef3f2d743245/library/std/src/panicking.rs:698:13\n  13:     0x64099e533529 - std[3f03f8b59f91bef1]::sys::backtrace::__rust_end_short_backtrace::<std[3f03f8b59f91bef1]::panicking::panic_handler::{closure#0}, !>\n                               at /rustc/db823df02fd0c2cf67b43025ac3fef3f2d743245/library/std/src/sys/backtrace.rs:182:18\n  14:     0x64099e53ed4d - __rustc[caa99d26c7bae192]::rust_begin_unwind\n                               at /rustc/db823df02fd0c2cf67b43025ac3fef3f2d743245/library/std/src/panicking.rs:689:5\n  15:     0x64099e568e0c - core[585f66e14d78f9ba]::panicking::panic_fmt\n                               at /rustc/db823df02fd0c2cf67b43025ac3fef3f2d743245/library/core/src/panicking.rs:80:14\n  16:     0x64099e40b21e - clap[d75ff7e1e2f2927e]::parse::matches::arg_matches::assert_utf8_validation\n                               at /opt/rustwide/cargo-home/registry/src/index.crates.io-1949cf8c6b5b557f/clap-3.1.12/src/parse/matches/arg_matches.rs:1408:5\n  17:     0x64099e408c6b - <clap[d75ff7e1e2f2927e]::parse::matches::arg_matches::ArgMatches>::value_of::<&str>\n                               at /opt/rustwide/cargo-home/registry/src/index.crates.io-1949cf8c6b5b557f/clap-3.1.12/src/parse/matches/arg_matches.rs:145:9\n  18:     0x64099e3ff2d6 - headr[6763a1303ecc76af]::get_args\n                               at /opt/rustwide/workdir/src/lib.rs:95:10\n  19:     0x64099e3fc6e2 - headr[f89bb476eb543b4d]::main\n                               at /opt/rustwide/workdir/src/main.rs:2:21\n  20:     0x64099e3fc7fb - <fn() as core[585f66e14d78f9ba]::ops::function::FnOnce<()>>::call_once\n                               at /rustc/db823df02fd0c2cf67b43025ac3fef3f2d743245/library/core/src/ops/function.rs:250:5\n  21:     0x64099e3fc66e - std[3f03f8b59f91bef1]::sys::backtrace::__rust_begin_short_backtrace::<fn(), ()>\n                               at /rustc/db823df02fd0c2cf67b43025ac3fef3f2d743245/library/std/src/sys/backtrace.rs:166:18\n  22:     0x64099e3fc691 - std[3f03f8b59f91bef1]::rt::lang_start::<()>::{closure#0}\n                               at /rustc/db823df02fd0c2cf67b43025ac3fef3f2d743245/library/std/src/rt.rs:206:18\n  23:     0x64099e54f046 - <&dyn core[585f66e14d78f9ba]::ops::function::Fn<(), Output = i32> + core[585f66e14d78f9ba]::marker::Sync + core[585f66e14d78f9ba]::panic::unwind_safe::RefUnwindSafe as core[585f66e14d78f9ba]::ops::function::FnOnce<()>>::call_once\n                               at /rustc/db823df02fd0c2cf67b43025ac3fef3f2d743245/library/core/src/ops/function.rs:287:21\n  24:     0x64099e54f046 - std[3f03f8b59f91bef1]::panicking::catch_unwind::do_call::<&dyn core[585f66e14d78f9ba]::ops::function::Fn<(), Output = i32> + core[585f66e14d78f9ba]::marker::Sync + core[585f66e14d78f9ba]::panic::unwind_safe::RefUnwindSafe, i32>\n                               at /rustc/db823df02fd0c2cf67b43025ac3fef3f2d743245/library/std/src/panicking.rs:581:40\n  25:     0x64099e54f046 - std[3f03f8b59f91bef1]::panicking::catch_unwind::<i32, &dyn core[585f66e14d78f9ba]::ops::function::Fn<(), Output = i32> + core[585f66e14d78f9ba]::marker::Sync + core[585f66e14d78f9ba]::panic::unwind_safe::RefUnwindSafe>\n                               at /rustc/db823df02fd0c2cf67b43025ac3fef3f2d743245/library/std/src/panicking.rs:544:19\n  26:     0x64099e54f046 - std[3f03f8b59f91bef1]::panic::catch_unwind::<&dyn core[585f66e14d78f9ba]::ops::function::Fn<(), Output = i32> + core[585f66e14d78f9ba]::marker::Sync + core[585f66e14d78f9ba]::panic::unwind_safe::RefUnwindSafe, i32>\n                               at /rustc/db823df02fd0c2cf67b43025ac3fef3f2d743245/library/std/src/panic.rs:359:14\n  27:     0x64099e54f046 - std[3f03f8b59f91bef1]::rt::lang_start_internal::{closure#0}\n                               at /rustc/db823df02fd0c2cf67b43025ac3fef3f2d743245/library/std/src/rt.rs:175:24\n  28:     0x64099e54f046 - std[3f03f8b59f91bef1]::panicking::catch_unwind::do_call::<std[3f03f8b59f91bef1]::rt::lang_start_internal::{closure#0}, isize>\n                               at /rustc/db823df02fd0c2cf67b43025ac3fef3f2d743245/library/std/src/panicking.rs:581:40\n  29:     0x64099e54f046 - std[3f03f8b59f91bef1]::panicking::catch_unwind::<isize, std[3f03f8b59f91bef1]::rt::lang_start_internal::{closure#0}>\n                               at /rustc/db823df02fd0c2cf67b43025ac3fef3f2d743245/library/std/src/panicking.rs:544:19\n  30:     0x64099e54f046 - std[3f03f8b59f91bef1]::panic::catch_unwind::<std[3f03f8b59f91bef1]::rt::lang_start_internal::{closure#0}, isize>\n                               at /rustc/db823df02fd0c2cf67b43025ac3fef3f2d743245/library/std/src/panic.rs:359:14\n  31:     0x64099e54f046 - std[3f03f8b59f91bef1]::rt::lang_start_internal\n                               at /rustc/db823df02fd0c2cf67b43025ac3fef3f2d743245/library/std/src/rt.rs:171:5\n  32:     0x64099e3fc657 - std[3f03f8b59f91bef1]::rt::lang_start::<()>\n                               at /rustc/db823df02fd0c2cf67b43025ac3fef3f2d743245/library/std/src/rt.rs:205:5\n  33:     0x64099e3fc88e - main\n  34:     0x7274f2bdd1ca - <unknown>\n  35:     0x7274f2bdd28b - __libc_start_main\n  36:     0x64099e3fc4b5 - _start\n  37:                0x0 - <unknown>\n"```
[INFO] [stdout] command=`"/opt/rustwide/target/debug/headr" "-c=3" "tests/inputs/unicodes.txt"`
[INFO] [stdout] code=101
[INFO] [stdout] stdout=""
[INFO] [stdout] stderr="\nthread \'main\' (47) panicked at src/lib.rs:95:10:\nMust use `_os` lookups with `Arg::allow_invalid_utf8` at `bytes`\nstack backtrace:\n   0:     0x64099e554252 - std[3f03f8b59f91bef1]::backtrace_rs::backtrace::libunwind::trace\n                               at /rustc/db823df02fd0c2cf67b43025ac3fef3f2d743245/library/std/src/../../backtrace/src/backtrace/libunwind.rs:117:9\n   1:     0x64099e554252 - std[3f03f8b59f91bef1]::backtrace_rs::backtrace::trace_unsynchronized::<std[3f03f8b59f91bef1]::sys::backtrace::_print_fmt::{closure#1}>\n                               at /rustc/db823df02fd0c2cf67b43025ac3fef3f2d743245/library/std/src/../../backtrace/src/backtrace/mod.rs:66:14\n   2:     0x64099e554252 - std[3f03f8b59f91bef1]::sys::backtrace::_print_fmt\n                               at /rustc/db823df02fd0c2cf67b43025ac3fef3f2d743245/library/std/src/sys/backtrace.rs:74:9\n   3:     0x64099e554252 - <<std[3f03f8b59f91bef1]::sys::backtrace::BacktraceLock>::print::DisplayBacktrace as core[585f66e14d78f9ba]::fmt::Display>::fmt\n                               at /rustc/db823df02fd0c2cf67b43025ac3fef3f2d743245/library/std/src/sys/backtrace.rs:44:26\n   4:     0x64099e5686fa - <core[585f66e14d78f9ba]::fmt::rt::Argument>::fmt\n                               at /rustc/db823df02fd0c2cf67b43025ac3fef3f2d743245/library/core/src/fmt/rt.rs:152:76\n   5:     0x64099e5686fa - core[585f66e14d78f9ba]::fmt::write\n   6:     0x64099e55a236 - std[3f03f8b59f91bef1]::io::default_write_fmt::<std[3f03f8b59f91bef1]::sys::stdio::unix::Stderr>\n                               at /rustc/db823df02fd0c2cf67b43025ac3fef3f2d743245/library/std/src/io/mod.rs:639:11\n   7:     0x64099e55a236 - <std[3f03f8b59f91bef1]::sys::stdio::unix::Stderr as std[3f03f8b59f91bef1]::io::Write>::write_fmt\n                               at /rustc/db823df02fd0c2cf67b43025ac3fef3f2d743245/library/std/src/io/mod.rs:1994:13\n   8:     0x64099e53e26f - <std[3f03f8b59f91bef1]::sys::backtrace::BacktraceLock>::print\n                               at /rustc/db823df02fd0c2cf67b43025ac3fef3f2d743245/library/std/src/sys/backtrace.rs:47:9\n   9:     0x64099e53e26f - std[3f03f8b59f91bef1]::panicking::default_hook::{closure#0}\n                               at /rustc/db823df02fd0c2cf67b43025ac3fef3f2d743245/library/std/src/panicking.rs:292:27\n  10:     0x64099e54fcc1 - std[3f03f8b59f91bef1]::panicking::default_hook\n                               at /rustc/db823df02fd0c2cf67b43025ac3fef3f2d743245/library/std/src/panicking.rs:319:9\n  11:     0x64099e54fe7b - std[3f03f8b59f91bef1]::panicking::panic_with_hook\n                               at /rustc/db823df02fd0c2cf67b43025ac3fef3f2d743245/library/std/src/panicking.rs:825:13\n  12:     0x64099e53e328 - std[3f03f8b59f91bef1]::panicking::panic_handler::{closure#0}\n                               at /rustc/db823df02fd0c2cf67b43025ac3fef3f2d743245/library/std/src/panicking.rs:698:13\n  13:     0x64099e533529 - std[3f03f8b59f91bef1]::sys::backtrace::__rust_end_short_backtrace::<std[3f03f8b59f91bef1]::panicking::panic_handler::{closure#0}, !>\n                               at /rustc/db823df02fd0c2cf67b43025ac3fef3f2d743245/library/std/src/sys/backtrace.rs:182:18\n  14:     0x64099e53ed4d - __rustc[caa99d26c7bae192]::rust_begin_unwind\n                               at /rustc/db823df02fd0c2cf67b43025ac3fef3f2d743245/library/std/src/panicking.rs:689:5\n  15:     0x64099e568e0c - core[585f66e14d78f9ba]::panicking::panic_fmt\n                               at /rustc/db823df02fd0c2cf67b43025ac3fef3f2d743245/library/core/src/panicking.rs:80:14\n  16:     0x64099e40b21e - clap[d75ff7e1e2f2927e]::parse::matches::arg_matches::assert_utf8_validation\n                               at /opt/rustwide/cargo-home/registry/src/index.crates.io-1949cf8c6b5b557f/clap-3.1.12/src/parse/matches/arg_matches.rs:1408:5\n  17:     0x64099e408c6b - <clap[d75ff7e1e2f2927e]::parse::matches::arg_matches::ArgMatches>::value_of::<&str>\n                               at /opt/rustwide/cargo-home/registry/src/index.crates.io-1949cf8c6b5b557f/clap-3.1.12/src/parse/matches/arg_matches.rs:145:9\n  18:     0x64099e3ff2d6 - headr[6763a1303ecc76af]::get_args\n                               at /opt/rustwide/workdir/src/lib.rs:95:10\n  19:     0x64099e3fc6e2 - headr[f89bb476eb543b4d]::main\n                               at /opt/rustwide/workdir/src/main.rs:2:21\n  20:     0x64099e3fc7fb - <fn() as core[585f66e14d78f9ba]::ops::function::FnOnce<()>>::call_once\n                               at /rustc/db823df02fd0c2cf67b43025ac3fef3f2d743245/library/core/src/ops/function.rs:250:5\n  21:     0x64099e3fc66e - std[3f03f8b59f91bef1]::sys::backtrace::__rust_begin_short_backtrace::<fn(), ()>\n                               at /rustc/db823df02fd0c2cf67b43025ac3fef3f2d743245/library/std/src/sys/backtrace.rs:166:18\n  22:     0x64099e3fc691 - std[3f03f8b59f91bef1]::rt::lang_start::<()>::{closure#0}\n                               at /rustc/db823df02fd0c2cf67b43025ac3fef3f2d743245/library/std/src/rt.rs:206:18\n  23:     0x64099e54f046 - <&dyn core[585f66e14d78f9ba]::ops::function::Fn<(), Output = i32> + core[585f66e14d78f9ba]::marker::Sync + core[585f66e14d78f9ba]::panic::unwind_safe::RefUnwindSafe as core[585f66e14d78f9ba]::ops::function::FnOnce<()>>::call_once\n                               at /rustc/db823df02fd0c2cf67b43025ac3fef3f2d743245/library/core/src/ops/function.rs:287:21\n  24:     0x64099e54f046 - std[3f03f8b59f91bef1]::panicking::catch_unwind::do_call::<&dyn core[585f66e14d78f9ba]::ops::function::Fn<(), Output = i32> + core[585f66e14d78f9ba]::marker::Sync + core[585f66e14d78f9ba]::panic::unwind_safe::RefUnwindSafe, i32>\n                               at /rustc/db823df02fd0c2cf67b43025ac3fef3f2d743245/library/std/src/panicking.rs:581:40\n  25:     0x64099e54f046 - std[3f03f8b59f91bef1]::panicking::catch_unwind::<i32, &dyn core[585f66e14d78f9ba]::ops::function::Fn<(), Output = i32> + core[585f66e14d78f9ba]::marker::Sync + core[585f66e14d78f9ba]::panic::unwind_safe::RefUnwindSafe>\n                               at /rustc/db823df02fd0c2cf67b43025ac3fef3f2d743245/library/std/src/panicking.rs:544:19\n  26:     0x64099e54f046 - std[3f03f8b59f91bef1]::panic::catch_unwind::<&dyn core[585f66e14d78f9ba]::ops::function::Fn<(), Output = i32> + core[585f66e14d78f9ba]::marker::Sync + core[585f66e14d78f9ba]::panic::unwind_safe::RefUnwindSafe, i32>\n                               at /rustc/db823df02fd0c2cf67b43025ac3fef3f2d743245/library/std/src/panic.rs:359:14\n  27:     0x64099e54f046 - std[3f03f8b59f91bef1]::rt::lang_start_internal::{closure#0}\n                               at /rustc/db823df02fd0c2cf67b43025ac3fef3f2d743245/library/std/src/rt.rs:175:24\n  28:     0x64099e54f046 - std[3f03f8b59f91bef1]::panicking::catch_unwind::do_call::<std[3f03f8b59f91bef1]::rt::lang_start_internal::{closure#0}, isize>\n                               at /rustc/db823df02fd0c2cf67b43025ac3fef3f2d743245/library/std/src/panicking.rs:581:40\n  29:     0x64099e54f046 - std[3f03f8b59f91bef1]::panicking::catch_unwind::<isize, std[3f03f8b59f91bef1]::rt::lang_start_internal::{closure#0}>\n                               at /rustc/db823df02fd0c2cf67b43025ac3fef3f2d743245/library/std/src/panicking.rs:544:19\n  30:     0x64099e54f046 - std[3f03f8b59f91bef1]::panic::catch_unwind::<std[3f03f8b59f91bef1]::rt::lang_start_internal::{closure#0}, isize>\n                               at /rustc/db823df02fd0c2cf67b43025ac3fef3f2d743245/library/std/src/panic.rs:359:14\n  31:     0x64099e54f046 - std[3f03f8b59f91bef1]::rt::lang_start_internal\n                               at /rustc/db823df02fd0c2cf67b43025ac3fef3f2d743245/library/std/src/rt.rs:171:5\n  32:     0x64099e3fc657 - std[3f03f8b59f91bef1]::rt::lang_start::<()>\n                               at /rustc/db823df02fd0c2cf67b43025ac3fef3f2d743245/library/std/src/rt.rs:205:5\n  33:     0x64099e3fc88e - main\n  34:     0x7274f2bdd1ca - <unknown>\n  35:     0x7274f2bdd28b - __libc_start_main\n  36:     0x64099e3fc4b5 - _start\n  37:                0x0 - <unknown>\n"
[INFO] [stdout] 
[INFO] [stdout] stack backtrace:
[INFO] [stdout]    0:     0x5a880902e1d2 - std[3f03f8b59f91bef1]::backtrace_rs::backtrace::libunwind::trace
[INFO] [stdout]                                at /rustc/db823df02fd0c2cf67b43025ac3fef3f2d743245/library/std/src/../../backtrace/src/backtrace/libunwind.rs:117:9
[INFO] [stdout]    1:     0x5a880902e1d2 - std[3f03f8b59f91bef1]::backtrace_rs::backtrace::trace_unsynchronized::<std[3f03f8b59f91bef1]::sys::backtrace::_print_fmt::{closure#1}>
[INFO] [stdout]                                at /rustc/db823df02fd0c2cf67b43025ac3fef3f2d743245/library/std/src/../../backtrace/src/backtrace/mod.rs:66:14
[INFO] [stdout]    2:     0x5a880902e1d2 - std[3f03f8b59f91bef1]::sys::backtrace::_print_fmt
[INFO] [stdout]                                at /rustc/db823df02fd0c2cf67b43025ac3fef3f2d743245/library/std/src/sys/backtrace.rs:74:9
[INFO] [stdout]    3:     0x5a880902e1d2 - <<std[3f03f8b59f91bef1]::sys::backtrace::BacktraceLock>::print::DisplayBacktrace as core[585f66e14d78f9ba]::fmt::Display>::fmt
[INFO] [stdout]                                at /rustc/db823df02fd0c2cf67b43025ac3fef3f2d743245/library/std/src/sys/backtrace.rs:44:26
[INFO] [stdout]    4:     0x5a8809044a0a - <core[585f66e14d78f9ba]::fmt::rt::Argument>::fmt
[INFO] [stdout]                                at /rustc/db823df02fd0c2cf67b43025ac3fef3f2d743245/library/core/src/fmt/rt.rs:152:76
[INFO] [stdout]    5:     0x5a8809044a0a - core[585f66e14d78f9ba]::fmt::write
[INFO] [stdout]    6:     0x5a8809034446 - std[3f03f8b59f91bef1]::io::default_write_fmt::<alloc[15e7b27aba85d2e2]::vec::Vec<u8>>
[INFO] [stdout]                                at /rustc/db823df02fd0c2cf67b43025ac3fef3f2d743245/library/std/src/io/mod.rs:639:11
[INFO] [stdout]    7:     0x5a8809034446 - <alloc[15e7b27aba85d2e2]::vec::Vec<u8> as std[3f03f8b59f91bef1]::io::Write>::write_fmt
[INFO] [stdout]                                at /rustc/db823df02fd0c2cf67b43025ac3fef3f2d743245/library/std/src/io/mod.rs:1994:13
[INFO] [stdout]    8:     0x5a880900c03f - <std[3f03f8b59f91bef1]::sys::backtrace::BacktraceLock>::print
[INFO] [stdout]                                at /rustc/db823df02fd0c2cf67b43025ac3fef3f2d743245/library/std/src/sys/backtrace.rs:47:9
[INFO] [stdout]    9:     0x5a880900c03f - std[3f03f8b59f91bef1]::panicking::default_hook::{closure#0}
[INFO] [stdout]                                at /rustc/db823df02fd0c2cf67b43025ac3fef3f2d743245/library/std/src/panicking.rs:292:27
[INFO] [stdout]   10:     0x5a8809026489 - std[3f03f8b59f91bef1]::panicking::default_hook
[INFO] [stdout]                                at /rustc/db823df02fd0c2cf67b43025ac3fef3f2d743245/library/std/src/panicking.rs:316:9
[INFO] [stdout]   11:     0x5a8808f89c0e - <alloc[15e7b27aba85d2e2]::boxed::Box<dyn for<'a, 'b> core[585f66e14d78f9ba]::ops::function::Fn<(&'a std[3f03f8b59f91bef1]::panic::PanicHookInfo<'b>,), Output = ()> + core[585f66e14d78f9ba]::marker::Sync + core[585f66e14d78f9ba]::marker::Send> as core[585f66e14d78f9ba]::ops::function::Fn<(&std[3f03f8b59f91bef1]::panic::PanicHookInfo,)>>::call
[INFO] [stdout]                                at /rustc/db823df02fd0c2cf67b43025ac3fef3f2d743245/library/alloc/src/boxed.rs:2220:9
[INFO] [stdout]   12:     0x5a8808f89c0e - test[30224e0cb089acd2]::test_main_with_exit_callback::<test[30224e0cb089acd2]::test_main::{closure#0}>::{closure#0}
[INFO] [stdout]                                at /rustc/db823df02fd0c2cf67b43025ac3fef3f2d743245/library/test/src/lib.rs:145:21
[INFO] [stdout]   13:     0x5a8809026642 - <alloc[15e7b27aba85d2e2]::boxed::Box<dyn for<'a, 'b> core[585f66e14d78f9ba]::ops::function::Fn<(&'a std[3f03f8b59f91bef1]::panic::PanicHookInfo<'b>,), Output = ()> + core[585f66e14d78f9ba]::marker::Sync + core[585f66e14d78f9ba]::marker::Send> as core[585f66e14d78f9ba]::ops::function::Fn<(&std[3f03f8b59f91bef1]::panic::PanicHookInfo,)>>::call
[INFO] [stdout]                                at /rustc/db823df02fd0c2cf67b43025ac3fef3f2d743245/library/alloc/src/boxed.rs:2220:9
[INFO] [stdout]   14:     0x5a8809026642 - std[3f03f8b59f91bef1]::panicking::panic_with_hook
[INFO] [stdout]                                at /rustc/db823df02fd0c2cf67b43025ac3fef3f2d743245/library/std/src/panicking.rs:833:13
[INFO] [stdout]   15:     0x5a880900c0f8 - std[3f03f8b59f91bef1]::panicking::panic_handler::{closure#0}
[INFO] [stdout]                                at /rustc/db823df02fd0c2cf67b43025ac3fef3f2d743245/library/std/src/panicking.rs:698:13
[INFO] [stdout]   16:     0x5a88090012e9 - std[3f03f8b59f91bef1]::sys::backtrace::__rust_end_short_backtrace::<std[3f03f8b59f91bef1]::panicking::panic_handler::{closure#0}, !>
[INFO] [stdout]                                at /rustc/db823df02fd0c2cf67b43025ac3fef3f2d743245/library/std/src/sys/backtrace.rs:182:18
[INFO] [stdout]   17:     0x5a880900cf4d - __rustc[caa99d26c7bae192]::rust_begin_unwind
[INFO] [stdout]                                at /rustc/db823df02fd0c2cf67b43025ac3fef3f2d743245/library/std/src/panicking.rs:689:5
[INFO] [stdout]   18:     0x5a880904511c - core[585f66e14d78f9ba]::panicking::panic_fmt
[INFO] [stdout]                                at /rustc/db823df02fd0c2cf67b43025ac3fef3f2d743245/library/core/src/panicking.rs:80:14
[INFO] [stdout]   19:     0x5a8808f329a8 - core[585f66e14d78f9ba]::panicking::panic_display::<assert_cmd[a5da273e5b210b64]::assert::AssertError>
[INFO] [stdout]                                at /rustc/db823df02fd0c2cf67b43025ac3fef3f2d743245/library/core/src/panicking.rs:259:5
[INFO] [stdout]   20:     0x5a8808f39de7 - <assert_cmd[a5da273e5b210b64]::assert::AssertError>::panic::<assert_cmd[a5da273e5b210b64]::assert::Assert>
[INFO] [stdout]                                at /opt/rustwide/cargo-home/registry/src/index.crates.io-1949cf8c6b5b557f/assert_cmd-2.0.4/src/assert.rs:1036:9
[INFO] [stdout]   21:     0x5a8808f3d467 - <<assert_cmd[a5da273e5b210b64]::assert::AssertError>::panic<assert_cmd[a5da273e5b210b64]::assert::Assert> as core[585f66e14d78f9ba]::ops::function::FnOnce<(assert_cmd[a5da273e5b210b64]::assert::AssertError,)>>::call_once
[INFO] [stdout]                                at /rustc/db823df02fd0c2cf67b43025ac3fef3f2d743245/library/core/src/ops/function.rs:250:5
[INFO] [stdout]   22:     0x5a8808f32404 - <core[585f66e14d78f9ba]::result::Result<assert_cmd[a5da273e5b210b64]::assert::Assert, assert_cmd[a5da273e5b210b64]::assert::AssertError>>::unwrap_or_else::<<assert_cmd[a5da273e5b210b64]::assert::AssertError>::panic<assert_cmd[a5da273e5b210b64]::assert::Assert>>
[INFO] [stdout]                                at /rustc/db823df02fd0c2cf67b43025ac3fef3f2d743245/library/core/src/result.rs:1622:23
[INFO] [stdout]   23:     0x5a8808f3c210 - <assert_cmd[a5da273e5b210b64]::assert::Assert>::success
[INFO] [stdout]                                at /opt/rustwide/cargo-home/registry/src/index.crates.io-1949cf8c6b5b557f/assert_cmd-2.0.4/src/assert.rs:156:28
[INFO] [stdout]   24:     0x5a8808f2c351 - cli[e68d740185eb4e5a]::run_read_file
[INFO] [stdout]                                at /opt/rustwide/workdir/tests/cli.rs:63:10
[INFO] [stdout]   25:     0x5a8808f2c8fe - cli[e68d740185eb4e5a]::test_bytes
[INFO] [stdout]                                at /opt/rustwide/workdir/tests/cli.rs:132:5
[INFO] [stdout]   26:     0x5a8808f2be27 - cli[e68d740185eb4e5a]::test_bytes::{closure#0}
[INFO] [stdout]                                at /opt/rustwide/workdir/tests/cli.rs:131:16
[INFO] [stdout]   27:     0x5a8808f2eab6 - <cli[e68d740185eb4e5a]::test_bytes::{closure#0} as core[585f66e14d78f9ba]::ops::function::FnOnce<()>>::call_once
[INFO] [stdout]                                at /rustc/db823df02fd0c2cf67b43025ac3fef3f2d743245/library/core/src/ops/function.rs:250:5
[INFO] [stdout]   28:     0x5a8808f7dfbb - <fn() -> core[585f66e14d78f9ba]::result::Result<(), alloc[15e7b27aba85d2e2]::string::String> as core[585f66e14d78f9ba]::ops::function::FnOnce<()>>::call_once
[INFO] [stdout]                                at /rustc/db823df02fd0c2cf67b43025ac3fef3f2d743245/library/core/src/ops/function.rs:250:5
[INFO] [stdout]   29:     0x5a8808f7dfbb - test[30224e0cb089acd2]::__rust_begin_short_backtrace::<core[585f66e14d78f9ba]::result::Result<(), alloc[15e7b27aba85d2e2]::string::String>, fn() -> core[585f66e14d78f9ba]::result::Result<(), alloc[15e7b27aba85d2e2]::string::String>>
[INFO] [stdout]                                at /rustc/db823df02fd0c2cf67b43025ac3fef3f2d743245/library/test/src/lib.rs:663:18
[INFO] [stdout]   30:     0x5a8808f8a81a - test[30224e0cb089acd2]::run_test_in_process::{closure#0}
[INFO] [stdout]                                at /rustc/db823df02fd0c2cf67b43025ac3fef3f2d743245/library/test/src/lib.rs:686:74
[INFO] [stdout]   31:     0x5a8808f8a81a - <core[585f66e14d78f9ba]::panic::unwind_safe::AssertUnwindSafe<test[30224e0cb089acd2]::run_test_in_process::{closure#0}> as core[585f66e14d78f9ba]::ops::function::FnOnce<()>>::call_once
[INFO] [stdout]                                at /rustc/db823df02fd0c2cf67b43025ac3fef3f2d743245/library/core/src/panic/unwind_safe.rs:274:9
[INFO] [stdout]   32:     0x5a8808f8a81a - std[3f03f8b59f91bef1]::panicking::catch_unwind::do_call::<core[585f66e14d78f9ba]::panic::unwind_safe::AssertUnwindSafe<test[30224e0cb089acd2]::run_test_in_process::{closure#0}>, core[585f66e14d78f9ba]::result::Result<(), alloc[15e7b27aba85d2e2]::string::String>>
[INFO] [stdout]                                at /rustc/db823df02fd0c2cf67b43025ac3fef3f2d743245/library/std/src/panicking.rs:581:40
[INFO] [stdout]   33:     0x5a8808f8a81a - std[3f03f8b59f91bef1]::panicking::catch_unwind::<core[585f66e14d78f9ba]::result::Result<(), alloc[15e7b27aba85d2e2]::string::String>, core[585f66e14d78f9ba]::panic::unwind_safe::AssertUnwindSafe<test[30224e0cb089acd2]::run_test_in_process::{closure#0}>>
[INFO] [stdout]                                at /rustc/db823df02fd0c2cf67b43025ac3fef3f2d743245/library/std/src/panicking.rs:544:19
[INFO] [stdout]   34:     0x5a8808f8a81a - std[3f03f8b59f91bef1]::panic::catch_unwind::<core[585f66e14d78f9ba]::panic::unwind_safe::AssertUnwindSafe<test[30224e0cb089acd2]::run_test_in_process::{closure#0}>, core[585f66e14d78f9ba]::result::Result<(), alloc[15e7b27aba85d2e2]::string::String>>
[INFO] [stdout]                                at /rustc/db823df02fd0c2cf67b43025ac3fef3f2d743245/library/std/src/panic.rs:359:14
[INFO] [stdout]   35:     0x5a8808f8a81a - test[30224e0cb089acd2]::run_test_in_process
[INFO] [stdout]                                at /rustc/db823df02fd0c2cf67b43025ac3fef3f2d743245/library/test/src/lib.rs:686:27
[INFO] [stdout]   36:     0x5a8808f8a81a - test[30224e0cb089acd2]::run_test::{closure#0}
[INFO] [stdout]                                at /rustc/db823df02fd0c2cf67b43025ac3fef3f2d743245/library/test/src/lib.rs:607:43
[INFO] [stdout]   37:     0x5a8808f84ce4 - test[30224e0cb089acd2]::run_test::{closure#1}
[INFO] [stdout]                                at /rustc/db823df02fd0c2cf67b43025ac3fef3f2d743245/library/test/src/lib.rs:637:41
[INFO] [stdout]   38:     0x5a8808f84ce4 - std[3f03f8b59f91bef1]::sys::backtrace::__rust_begin_short_backtrace::<test[30224e0cb089acd2]::run_test::{closure#1}, ()>
[INFO] [stdout]                                at /rustc/db823df02fd0c2cf67b43025ac3fef3f2d743245/library/std/src/sys/backtrace.rs:166:18
[INFO] [stdout]   39:     0x5a8808f8d312 - std[3f03f8b59f91bef1]::thread::lifecycle::spawn_unchecked::<test[30224e0cb089acd2]::run_test::{closure#1}, ()>::{closure#1}::{closure#0}
[INFO] [stdout]                                at /rustc/db823df02fd0c2cf67b43025ac3fef3f2d743245/library/std/src/thread/lifecycle.rs:91:13
[INFO] [stdout]   40:     0x5a8808f8d312 - <core[585f66e14d78f9ba]::panic::unwind_safe::AssertUnwindSafe<std[3f03f8b59f91bef1]::thread::lifecycle::spawn_unchecked<test[30224e0cb089acd2]::run_test::{closure#1}, ()>::{closure#1}::{closure#0}> as core[585f66e14d78f9ba]::ops::function::FnOnce<()>>::call_once
[INFO] [stdout]                                at /rustc/db823df02fd0c2cf67b43025ac3fef3f2d743245/library/core/src/panic/unwind_safe.rs:274:9
[INFO] [stdout]   41:     0x5a8808f8d312 - std[3f03f8b59f91bef1]::panicking::catch_unwind::do_call::<core[585f66e14d78f9ba]::panic::unwind_safe::AssertUnwindSafe<std[3f03f8b59f91bef1]::thread::lifecycle::spawn_unchecked<test[30224e0cb089acd2]::run_test::{closure#1}, ()>::{closure#1}::{closure#0}>, ()>
[INFO] [stdout]                                at /rustc/db823df02fd0c2cf67b43025ac3fef3f2d743245/library/std/src/panicking.rs:581:40
[INFO] [stdout]   42:     0x5a8808f8d312 - std[3f03f8b59f91bef1]::panicking::catch_unwind::<(), core[585f66e14d78f9ba]::panic::unwind_safe::AssertUnwindSafe<std[3f03f8b59f91bef1]::thread::lifecycle::spawn_unchecked<test[30224e0cb089acd2]::run_test::{closure#1}, ()>::{closure#1}::{closure#0}>>
[INFO] [stdout]                                at /rustc/db823df02fd0c2cf67b43025ac3fef3f2d743245/library/std/src/panicking.rs:544:19
[INFO] [stdout]   43:     0x5a8808f8d312 - std[3f03f8b59f91bef1]::panic::catch_unwind::<core[585f66e14d78f9ba]::panic::unwind_safe::AssertUnwindSafe<std[3f03f8b59f91bef1]::thread::lifecycle::spawn_unchecked<test[30224e0cb089acd2]::run_test::{closure#1}, ()>::{closure#1}::{closure#0}>, ()>
[INFO] [stdout]                                at /rustc/db823df02fd0c2cf67b43025ac3fef3f2d743245/library/std/src/panic.rs:359:14
[INFO] [stdout]   44:     0x5a8808f8d312 - std[3f03f8b59f91bef1]::thread::lifecycle::spawn_unchecked::<test[30224e0cb089acd2]::run_test::{closure#1}, ()>::{closure#1}
[INFO] [stdout]                                at /rustc/db823df02fd0c2cf67b43025ac3fef3f2d743245/library/std/src/thread/lifecycle.rs:89:26
[INFO] [stdout]   45:     0x5a8808f8d312 - <std[3f03f8b59f91bef1]::thread::lifecycle::spawn_unchecked<test[30224e0cb089acd2]::run_test::{closure#1}, ()>::{closure#1} as core[585f66e14d78f9ba]::ops::function::FnOnce<()>>::call_once::{shim:vtable#0}
[INFO] [stdout]                                at /rustc/db823df02fd0c2cf67b43025ac3fef3f2d743245/library/core/src/ops/function.rs:250:5
[INFO] [stdout]   46:     0x5a880902d9ff - <alloc[15e7b27aba85d2e2]::boxed::Box<dyn core[585f66e14d78f9ba]::ops::function::FnOnce<(), Output = ()> + core[585f66e14d78f9ba]::marker::Send> as core[585f66e14d78f9ba]::ops::function::FnOnce<()>>::call_once
[INFO] [stdout]                                at /rustc/db823df02fd0c2cf67b43025ac3fef3f2d743245/library/alloc/src/boxed.rs:2206:9
[INFO] [stdout]   47:     0x5a880902d9ff - <std[3f03f8b59f91bef1]::sys::thread::unix::Thread>::new::thread_start
[INFO] [stdout]                                at /rustc/db823df02fd0c2cf67b43025ac3fef3f2d743245/library/std/src/sys/thread/unix.rs:119:17
[INFO] [stdout]   48:     0x700b1de73aa4 - <unknown>
[INFO] [stdout]   49:     0x700b1df00a64 - clone
[INFO] [stdout]   50:                0x0 - <unknown>
[INFO] [stdout] 
[INFO] [stdout] ---- read_lines_from_files stdout ----
[INFO] [stdout] 
[INFO] [stdout] thread 'read_lines_from_files' (33) panicked at /rustc/db823df02fd0c2cf67b43025ac3fef3f2d743245/library/core/src/ops/function.rs:250:5:
[INFO] [stdout] Unexpected failure.
[INFO] [stdout] code-101
[INFO] [stdout] stderr=```"\nthread \'main\' (57) panicked at src/lib.rs:88:10:\nMust use `_os` lookups with `Arg::allow_invalid_utf8` at `lines`\nstack backtrace:\n   0:     0x59c76c388252 - std[3f03f8b59f91bef1]::backtrace_rs::backtrace::libunwind::trace\n                               at /rustc/db823df02fd0c2cf67b43025ac3fef3f2d743245/library/std/src/../../backtrace/src/backtrace/libunwind.rs:117:9\n   1:     0x59c76c388252 - std[3f03f8b59f91bef1]::backtrace_rs::backtrace::trace_unsynchronized::<std[3f03f8b59f91bef1]::sys::backtrace::_print_fmt::{closure#1}>\n                               at /rustc/db823df02fd0c2cf67b43025ac3fef3f2d743245/library/std/src/../../backtrace/src/backtrace/mod.rs:66:14\n   2:     0x59c76c388252 - std[3f03f8b59f91bef1]::sys::backtrace::_print_fmt\n                               at /rustc/db823df02fd0c2cf67b43025ac3fef3f2d743245/library/std/src/sys/backtrace.rs:74:9\n   3:     0x59c76c388252 - <<std[3f03f8b59f91bef1]::sys::backtrace::BacktraceLock>::print::DisplayBacktrace as core[585f66e14d78f9ba]::fmt::Display>::fmt\n                               at /rustc/db823df02fd0c2cf67b43025ac3fef3f2d743245/library/std/src/sys/backtrace.rs:44:26\n   4:     0x59c76c39c6fa - <core[585f66e14d78f9ba]::fmt::rt::Argument>::fmt\n                               at /rustc/db823df02fd0c2cf67b43025ac3fef3f2d743245/library/core/src/fmt/rt.rs:152:76\n   5:     0x59c76c39c6fa - core[585f66e14d78f9ba]::fmt::write\n   6:     0x59c76c38e236 - std[3f03f8b59f91bef1]::io::default_write_fmt::<std[3f03f8b59f91bef1]::sys::stdio::unix::Stderr>\n                               at /rustc/db823df02fd0c2cf67b43025ac3fef3f2d743245/library/std/src/io/mod.rs:639:11\n   7:     0x59c76c38e236 - <std[3f03f8b59f91bef1]::sys::stdio::unix::Stderr as std[3f03f8b59f91bef1]::io::Write>::write_fmt\n                               at /rustc/db823df02fd0c2cf67b43025ac3fef3f2d743245/library/std/src/io/mod.rs:1994:13\n   8:     0x59c76c37226f - <std[3f03f8b59f91bef1]::sys::backtrace::BacktraceLock>::print\n                               at /rustc/db823df02fd0c2cf67b43025ac3fef3f2d743245/library/std/src/sys/backtrace.rs:47:9\n   9:     0x59c76c37226f - std[3f03f8b59f91bef1]::panicking::default_hook::{closure#0}\n                               at /rustc/db823df02fd0c2cf67b43025ac3fef3f2d743245/library/std/src/panicking.rs:292:27\n  10:     0x59c76c383cc1 - std[3f03f8b59f91bef1]::panicking::default_hook\n                               at /rustc/db823df02fd0c2cf67b43025ac3fef3f2d743245/library/std/src/panicking.rs:319:9\n  11:     0x59c76c383e7b - std[3f03f8b59f91bef1]::panicking::panic_with_hook\n                               at /rustc/db823df02fd0c2cf67b43025ac3fef3f2d743245/library/std/src/panicking.rs:825:13\n  12:     0x59c76c372328 - std[3f03f8b59f91bef1]::panicking::panic_handler::{closure#0}\n                               at /rustc/db823df02fd0c2cf67b43025ac3fef3f2d743245/library/std/src/panicking.rs:698:13\n  13:     0x59c76c367529 - std[3f03f8b59f91bef1]::sys::backtrace::__rust_end_short_backtrace::<std[3f03f8b59f91bef1]::panicking::panic_handler::{closure#0}, !>\n                               at /rustc/db823df02fd0c2cf67b43025ac3fef3f2d743245/library/std/src/sys/backtrace.rs:182:18\n  14:     0x59c76c372d4d - __rustc[caa99d26c7bae192]::rust_begin_unwind\n                               at /rustc/db823df02fd0c2cf67b43025ac3fef3f2d743245/library/std/src/panicking.rs:689:5\n  15:     0x59c76c39ce0c - core[585f66e14d78f9ba]::panicking::panic_fmt\n                               at /rustc/db823df02fd0c2cf67b43025ac3fef3f2d743245/library/core/src/panicking.rs:80:14\n  16:     0x59c76c23f21e - clap[d75ff7e1e2f2927e]::parse::matches::arg_matches::assert_utf8_validation\n                               at /opt/rustwide/cargo-home/registry/src/index.crates.io-1949cf8c6b5b557f/clap-3.1.12/src/parse/matches/arg_matches.rs:1408:5\n  17:     0x59c76c23cc6b - <clap[d75ff7e1e2f2927e]::parse::matches::arg_matches::ArgMatches>::value_of::<&str>\n                               at /opt/rustwide/cargo-home/registry/src/index.crates.io-1949cf8c6b5b557f/clap-3.1.12/src/parse/matches/arg_matches.rs:145:9\n  18:     0x59c76c2330b5 - headr[6763a1303ecc76af]::get_args\n                               at /opt/rustwide/workdir/src/lib.rs:88:10\n  19:     0x59c76c2306e2 - headr[f89bb476eb543b4d]::main\n                               at /opt/rustwide/workdir/src/main.rs:2:21\n  20:     0x59c76c2307fb - <fn() as core[585f66e14d78f9ba]::ops::function::FnOnce<()>>::call_once\n                               at /rustc/db823df02fd0c2cf67b43025ac3fef3f2d743245/library/core/src/ops/function.rs:250:5\n  21:     0x59c76c23066e - std[3f03f8b59f91bef1]::sys::backtrace::__rust_begin_short_backtrace::<fn(), ()>\n                               at /rustc/db823df02fd0c2cf67b43025ac3fef3f2d743245/library/std/src/sys/backtrace.rs:166:18\n  22:     0x59c76c230691 - std[3f03f8b59f91bef1]::rt::lang_start::<()>::{closure#0}\n                               at /rustc/db823df02fd0c2cf67b43025ac3fef3f2d743245/library/std/src/rt.rs:206:18\n  23:     0x59c76c383046 - <&dyn core[585f66e14d78f9ba]::ops::function::Fn<(), Output = i32> + core[585f66e14d78f9ba]::marker::Sync + core[585f66e14d78f9ba]::panic::unwind_safe::RefUnwindSafe as core[585f66e14d78f9ba]::ops::function::FnOnce<()>>::call_once\n                               at /rustc/db823df02fd0c2cf67b43025ac3fef3f2d743245/library/core/src/ops/function.rs:287:21\n  24:     0x59c76c383046 - std[3f03f8b59f91bef1]::panicking::catch_unwind::do_call::<&dyn core[585f66e14d78f9ba]::ops::function::Fn<(), Output = i32> + core[585f66e14d78f9ba]::marker::Sync + core[585f66e14d78f9ba]::panic::unwind_safe::RefUnwindSafe, i32>\n                               at /rustc/db823df02fd0c2cf67b43025ac3fef3f2d743245/library/std/src/panicking.rs:581:40\n  25:     0x59c76c383046 - std[3f03f8b59f91bef1]::panicking::catch_unwind::<i32, &dyn core[585f66e14d78f9ba]::ops::function::Fn<(), Output = i32> + core[585f66e14d78f9ba]::marker::Sync + core[585f66e14d78f9ba]::panic::unwind_safe::RefUnwindSafe>\n                               at /rustc/db823df02fd0c2cf67b43025ac3fef3f2d743245/library/std/src/panicking.rs:544:19\n  26:     0x59c76c383046 - std[3f03f8b59f91bef1]::panic::catch_unwind::<&dyn core[585f66e14d78f9ba]::ops::function::Fn<(), Output = i32> + core[585f66e14d78f9ba]::marker::Sync + core[585f66e14d78f9ba]::panic::unwind_safe::RefUnwindSafe, i32>\n                               at /rustc/db823df02fd0c2cf67b43025ac3fef3f2d743245/library/std/src/panic.rs:359:14\n  27:     0x59c76c383046 - std[3f03f8b59f91bef1]::rt::lang_start_internal::{closure#0}\n                               at /rustc/db823df02fd0c2cf67b43025ac3fef3f2d743245/library/std/src/rt.rs:175:24\n  28:     0x59c76c383046 - std[3f03f8b59f91bef1]::panicking::catch_unwind::do_call::<std[3f03f8b59f91bef1]::rt::lang_start_internal::{closure#0}, isize>\n                               at /rustc/db823df02fd0c2cf67b43025ac3fef3f2d743245/library/std/src/panicking.rs:581:40\n  29:     0x59c76c383046 - std[3f03f8b59f91bef1]::panicking::catch_unwind::<isize, std[3f03f8b59f91bef1]::rt::lang_start_internal::{closure#0}>\n                               at /rustc/db823df02fd0c2cf67b43025ac3fef3f2d743245/library/std/src/panicking.rs:544:19\n  30:     0x59c76c383046 - std[3f03f8b59f91bef1]::panic::catch_unwind::<std[3f03f8b59f91bef1]::rt::lang_start_internal::{closure#0}, isize>\n                               at /rustc/db823df02fd0c2cf67b43025ac3fef3f2d743245/library/std/src/panic.rs:359:14\n  31:     0x59c76c383046 - std[3f03f8b59f91bef1]::rt::lang_start_internal\n                               at /rustc/db823df02fd0c2cf67b43025ac3fef3f2d743245/library/std/src/rt.rs:171:5\n  32:     0x59c76c230657 - std[3f03f8b59f91bef1]::rt::lang_start::<()>\n                               at /rustc/db823df02fd0c2cf67b43025ac3fef3f2d743245/library/std/src/rt.rs:205:5\n  33:     0x59c76c23088e - main\n  34:     0x7f7c4745c1ca - <unknown>\n  35:     0x7f7c4745c28b - __libc_start_main\n  36:     0x59c76c2304b5 - _start\n  37:                0x0 - <unknown>\n"```
[INFO] [stdout] command=`"/opt/rustwide/target/debug/headr" "-n=2" "tests/inputs/three-lines.txt"`
[INFO] [stdout] code=101
[INFO] [stdout] stdout=""
[INFO] [stdout] stderr="\nthread \'main\' (57) panicked at src/lib.rs:88:10:\nMust use `_os` lookups with `Arg::allow_invalid_utf8` at `lines`\nstack backtrace:\n   0:     0x59c76c388252 - std[3f03f8b59f91bef1]::backtrace_rs::backtrace::libunwind::trace\n                               at /rustc/db823df02fd0c2cf67b43025ac3fef3f2d743245/library/std/src/../../backtrace/src/backtrace/libunwind.rs:117:9\n   1:     0x59c76c388252 - std[3f03f8b59f91bef1]::backtrace_rs::backtrace::trace_unsynchronized::<std[3f03f8b59f91bef1]::sys::backtrace::_print_fmt::{closure#1}>\n                               at /rustc/db823df02fd0c2cf67b43025ac3fef3f2d743245/library/std/src/../../backtrace/src/backtrace/mod.rs:66:14\n   2:     0x59c76c388252 - std[3f03f8b59f91bef1]::sys::backtrace::_print_fmt\n                               at /rustc/db823df02fd0c2cf67b43025ac3fef3f2d743245/library/std/src/sys/backtrace.rs:74:9\n   3:     0x59c76c388252 - <<std[3f03f8b59f91bef1]::sys::backtrace::BacktraceLock>::print::DisplayBacktrace as core[585f66e14d78f9ba]::fmt::Display>::fmt\n                               at /rustc/db823df02fd0c2cf67b43025ac3fef3f2d743245/library/std/src/sys/backtrace.rs:44:26\n   4:     0x59c76c39c6fa - <core[585f66e14d78f9ba]::fmt::rt::Argument>::fmt\n                               at /rustc/db823df02fd0c2cf67b43025ac3fef3f2d743245/library/core/src/fmt/rt.rs:152:76\n   5:     0x59c76c39c6fa - core[585f66e14d78f9ba]::fmt::write\n   6:     0x59c76c38e236 - std[3f03f8b59f91bef1]::io::default_write_fmt::<std[3f03f8b59f91bef1]::sys::stdio::unix::Stderr>\n                               at /rustc/db823df02fd0c2cf67b43025ac3fef3f2d743245/library/std/src/io/mod.rs:639:11\n   7:     0x59c76c38e236 - <std[3f03f8b59f91bef1]::sys::stdio::unix::Stderr as std[3f03f8b59f91bef1]::io::Write>::write_fmt\n                               at /rustc/db823df02fd0c2cf67b43025ac3fef3f2d743245/library/std/src/io/mod.rs:1994:13\n   8:     0x59c76c37226f - <std[3f03f8b59f91bef1]::sys::backtrace::BacktraceLock>::print\n                               at /rustc/db823df02fd0c2cf67b43025ac3fef3f2d743245/library/std/src/sys/backtrace.rs:47:9\n   9:     0x59c76c37226f - std[3f03f8b59f91bef1]::panicking::default_hook::{closure#0}\n                               at /rustc/db823df02fd0c2cf67b43025ac3fef3f2d743245/library/std/src/panicking.rs:292:27\n  10:     0x59c76c383cc1 - std[3f03f8b59f91bef1]::panicking::default_hook\n                               at /rustc/db823df02fd0c2cf67b43025ac3fef3f2d743245/library/std/src/panicking.rs:319:9\n  11:     0x59c76c383e7b - std[3f03f8b59f91bef1]::panicking::panic_with_hook\n                               at /rustc/db823df02fd0c2cf67b43025ac3fef3f2d743245/library/std/src/panicking.rs:825:13\n  12:     0x59c76c372328 - std[3f03f8b59f91bef1]::panicking::panic_handler::{closure#0}\n                               at /rustc/db823df02fd0c2cf67b43025ac3fef3f2d743245/library/std/src/panicking.rs:698:13\n  13:     0x59c76c367529 - std[3f03f8b59f91bef1]::sys::backtrace::__rust_end_short_backtrace::<std[3f03f8b59f91bef1]::panicking::panic_handler::{closure#0}, !>\n                               at /rustc/db823df02fd0c2cf67b43025ac3fef3f2d743245/library/std/src/sys/backtrace.rs:182:18\n  14:     0x59c76c372d4d - __rustc[caa99d26c7bae192]::rust_begin_unwind\n                               at /rustc/db823df02fd0c2cf67b43025ac3fef3f2d743245/library/std/src/panicking.rs:689:5\n  15:     0x59c76c39ce0c - core[585f66e14d78f9ba]::panicking::panic_fmt\n                               at /rustc/db823df02fd0c2cf67b43025ac3fef3f2d743245/library/core/src/panicking.rs:80:14\n  16:     0x59c76c23f21e - clap[d75ff7e1e2f2927e]::parse::matches::arg_matches::assert_utf8_validation\n                               at /opt/rustwide/cargo-home/registry/src/index.crates.io-1949cf8c6b5b557f/clap-3.1.12/src/parse/matches/arg_matches.rs:1408:5\n  17:     0x59c76c23cc6b - <clap[d75ff7e1e2f2927e]::parse::matches::arg_matches::ArgMatches>::value_of::<&str>\n                               at /opt/rustwide/cargo-home/registry/src/index.crates.io-1949cf8c6b5b557f/clap-3.1.12/src/parse/matches/arg_matches.rs:145:9\n  18:     0x59c76c2330b5 - headr[6763a1303ecc76af]::get_args\n                               at /opt/rustwide/workdir/src/lib.rs:88:10\n  19:     0x59c76c2306e2 - headr[f89bb476eb543b4d]::main\n                               at /opt/rustwide/workdir/src/main.rs:2:21\n  20:     0x59c76c2307fb - <fn() as core[585f66e14d78f9ba]::ops::function::FnOnce<()>>::call_once\n                               at /rustc/db823df02fd0c2cf67b43025ac3fef3f2d743245/library/core/src/ops/function.rs:250:5\n  21:     0x59c76c23066e - std[3f03f8b59f91bef1]::sys::backtrace::__rust_begin_short_backtrace::<fn(), ()>\n                               at /rustc/db823df02fd0c2cf67b43025ac3fef3f2d743245/library/std/src/sys/backtrace.rs:166:18\n  22:     0x59c76c230691 - std[3f03f8b59f91bef1]::rt::lang_start::<()>::{closure#0}\n                               at /rustc/db823df02fd0c2cf67b43025ac3fef3f2d743245/library/std/src/rt.rs:206:18\n  23:     0x59c76c383046 - <&dyn core[585f66e14d78f9ba]::ops::function::Fn<(), Output = i32> + core[585f66e14d78f9ba]::marker::Sync + core[585f66e14d78f9ba]::panic::unwind_safe::RefUnwindSafe as core[585f66e14d78f9ba]::ops::function::FnOnce<()>>::call_once\n                               at /rustc/db823df02fd0c2cf67b43025ac3fef3f2d743245/library/core/src/ops/function.rs:287:21\n  24:     0x59c76c383046 - std[3f03f8b59f91bef1]::panicking::catch_unwind::do_call::<&dyn core[585f66e14d78f9ba]::ops::function::Fn<(), Output = i32> + core[585f66e14d78f9ba]::marker::Sync + core[585f66e14d78f9ba]::panic::unwind_safe::RefUnwindSafe, i32>\n                               at /rustc/db823df02fd0c2cf67b43025ac3fef3f2d743245/library/std/src/panicking.rs:581:40\n  25:     0x59c76c383046 - std[3f03f8b59f91bef1]::panicking::catch_unwind::<i32, &dyn core[585f66e14d78f9ba]::ops::function::Fn<(), Output = i32> + core[585f66e14d78f9ba]::marker::Sync + core[585f66e14d78f9ba]::panic::unwind_safe::RefUnwindSafe>\n                               at /rustc/db823df02fd0c2cf67b43025ac3fef3f2d743245/library/std/src/panicking.rs:544:19\n  26:     0x59c76c383046 - std[3f03f8b59f91bef1]::panic::catch_unwind::<&dyn core[585f66e14d78f9ba]::ops::function::Fn<(), Output = i32> + core[585f66e14d78f9ba]::marker::Sync + core[585f66e14d78f9ba]::panic::unwind_safe::RefUnwindSafe, i32>\n                               at /rustc/db823df02fd0c2cf67b43025ac3fef3f2d743245/library/std/src/panic.rs:359:14\n  27:     0x59c76c383046 - std[3f03f8b59f91bef1]::rt::lang_start_internal::{closure#0}\n                               at /rustc/db823df02fd0c2cf67b43025ac3fef3f2d743245/library/std/src/rt.rs:175:24\n  28:     0x59c76c383046 - std[3f03f8b59f91bef1]::panicking::catch_unwind::do_call::<std[3f03f8b59f91bef1]::rt::lang_start_internal::{closure#0}, isize>\n                               at /rustc/db823df02fd0c2cf67b43025ac3fef3f2d743245/library/std/src/panicking.rs:581:40\n  29:     0x59c76c383046 - std[3f03f8b59f91bef1]::panicking::catch_unwind::<isize, std[3f03f8b59f91bef1]::rt::lang_start_internal::{closure#0}>\n                               at /rustc/db823df02fd0c2cf67b43025ac3fef3f2d743245/library/std/src/panicking.rs:544:19\n  30:     0x59c76c383046 - std[3f03f8b59f91bef1]::panic::catch_unwind::<std[3f03f8b59f91bef1]::rt::lang_start_internal::{closure#0}, isize>\n                               at /rustc/db823df02fd0c2cf67b43025ac3fef3f2d743245/library/std/src/panic.rs:359:14\n  31:     0x59c76c383046 - std[3f03f8b59f91bef1]::rt::lang_start_internal\n                               at /rustc/db823df02fd0c2cf67b43025ac3fef3f2d743245/library/std/src/rt.rs:171:5\n  32:     0x59c76c230657 - std[3f03f8b59f91bef1]::rt::lang_start::<()>\n                               at /rustc/db823df02fd0c2cf67b43025ac3fef3f2d743245/library/std/src/rt.rs:205:5\n  33:     0x59c76c23088e - main\n  34:     0x7f7c4745c1ca - <unknown>\n  35:     0x7f7c4745c28b - __libc_start_main\n  36:     0x59c76c2304b5 - _start\n  37:                0x0 - <unknown>\n"
[INFO] [stdout] 
[INFO] [stdout] stack backtrace:
[INFO] [stdout]    0:     0x5a880902e1d2 - std[3f03f8b59f91bef1]::backtrace_rs::backtrace::libunwind::trace
[INFO] [stdout]                                at /rustc/db823df02fd0c2cf67b43025ac3fef3f2d743245/library/std/src/../../backtrace/src/backtrace/libunwind.rs:117:9
[INFO] [stdout]    1:     0x5a880902e1d2 - std[3f03f8b59f91bef1]::backtrace_rs::backtrace::trace_unsynchronized::<std[3f03f8b59f91bef1]::sys::backtrace::_print_fmt::{closure#1}>
[INFO] [stdout]                                at /rustc/db823df02fd0c2cf67b43025ac3fef3f2d743245/library/std/src/../../backtrace/src/backtrace/mod.rs:66:14
[INFO] [stdout]    2:     0x5a880902e1d2 - std[3f03f8b59f91bef1]::sys::backtrace::_print_fmt
[INFO] [stdout]                                at /rustc/db823df02fd0c2cf67b43025ac3fef3f2d743245/library/std/src/sys/backtrace.rs:74:9
[INFO] [stdout]    3:     0x5a880902e1d2 - <<std[3f03f8b59f91bef1]::sys::backtrace::BacktraceLock>::print::DisplayBacktrace as core[585f66e14d78f9ba]::fmt::Display>::fmt
[INFO] [stdout]                                at /rustc/db823df02fd0c2cf67b43025ac3fef3f2d743245/library/std/src/sys/backtrace.rs:44:26
[INFO] [stdout]    4:     0x5a8809044a0a - <core[585f66e14d78f9ba]::fmt::rt::Argument>::fmt
[INFO] [stdout]                                at /rustc/db823df02fd0c2cf67b43025ac3fef3f2d743245/library/core/src/fmt/rt.rs:152:76
[INFO] [stdout]    5:     0x5a8809044a0a - core[585f66e14d78f9ba]::fmt::write
[INFO] [stdout]    6:     0x5a8809034446 - std[3f03f8b59f91bef1]::io::default_write_fmt::<alloc[15e7b27aba85d2e2]::vec::Vec<u8>>
[INFO] [stdout]                                at /rustc/db823df02fd0c2cf67b43025ac3fef3f2d743245/library/std/src/io/mod.rs:639:11
[INFO] [stdout]    7:     0x5a8809034446 - <alloc[15e7b27aba85d2e2]::vec::Vec<u8> as std[3f03f8b59f91bef1]::io::Write>::write_fmt
[INFO] [stdout]                                at /rustc/db823df02fd0c2cf67b43025ac3fef3f2d743245/library/std/src/io/mod.rs:1994:13
[INFO] [stdout]    8:     0x5a880900c03f - <std[3f03f8b59f91bef1]::sys::backtrace::BacktraceLock>::print
[INFO] [stdout]                                at /rustc/db823df02fd0c2cf67b43025ac3fef3f2d743245/library/std/src/sys/backtrace.rs:47:9
[INFO] [stdout]    9:     0x5a880900c03f - std[3f03f8b59f91bef1]::panicking::default_hook::{closure#0}
[INFO] [stdout]                                at /rustc/db823df02fd0c2cf67b43025ac3fef3f2d743245/library/std/src/panicking.rs:292:27
[INFO] [stdout]   10:     0x5a8809026489 - std[3f03f8b59f91bef1]::panicking::default_hook
[INFO] [stdout]                                at /rustc/db823df02fd0c2cf67b43025ac3fef3f2d743245/library/std/src/panicking.rs:316:9
[INFO] [stdout]   11:     0x5a8808f89c0e - <alloc[15e7b27aba85d2e2]::boxed::Box<dyn for<'a, 'b> core[585f66e14d78f9ba]::ops::function::Fn<(&'a std[3f03f8b59f91bef1]::panic::PanicHookInfo<'b>,), Output = ()> + core[585f66e14d78f9ba]::marker::Sync + core[585f66e14d78f9ba]::marker::Send> as core[585f66e14d78f9ba]::ops::function::Fn<(&std[3f03f8b59f91bef1]::panic::PanicHookInfo,)>>::call
[INFO] [stdout]                                at /rustc/db823df02fd0c2cf67b43025ac3fef3f2d743245/library/alloc/src/boxed.rs:2220:9
[INFO] [stdout]   12:     0x5a8808f89c0e - test[30224e0cb089acd2]::test_main_with_exit_callback::<test[30224e0cb089acd2]::test_main::{closure#0}>::{closure#0}
[INFO] [stdout]                                at /rustc/db823df02fd0c2cf67b43025ac3fef3f2d743245/library/test/src/lib.rs:145:21
[INFO] [stdout]   13:     0x5a8809026642 - <alloc[15e7b27aba85d2e2]::boxed::Box<dyn for<'a, 'b> core[585f66e14d78f9ba]::ops::function::Fn<(&'a std[3f03f8b59f91bef1]::panic::PanicHookInfo<'b>,), Output = ()> + core[585f66e14d78f9ba]::marker::Sync + core[585f66e14d78f9ba]::marker::Send> as core[585f66e14d78f9ba]::ops::function::Fn<(&std[3f03f8b59f91bef1]::panic::PanicHookInfo,)>>::call
[INFO] [stdout]                                at /rustc/db823df02fd0c2cf67b43025ac3fef3f2d743245/library/alloc/src/boxed.rs:2220:9
[INFO] [stdout]   14:     0x5a8809026642 - std[3f03f8b59f91bef1]::panicking::panic_with_hook
[INFO] [stdout]                                at /rustc/db823df02fd0c2cf67b43025ac3fef3f2d743245/library/std/src/panicking.rs:833:13
[INFO] [stdout]   15:     0x5a880900c0f8 - std[3f03f8b59f91bef1]::panicking::panic_handler::{closure#0}
[INFO] [stdout]                                at /rustc/db823df02fd0c2cf67b43025ac3fef3f2d743245/library/std/src/panicking.rs:698:13
[INFO] [stdout]   16:     0x5a88090012e9 - std[3f03f8b59f91bef1]::sys::backtrace::__rust_end_short_backtrace::<std[3f03f8b59f91bef1]::panicking::panic_handler::{closure#0}, !>
[INFO] [stdout]                                at /rustc/db823df02fd0c2cf67b43025ac3fef3f2d743245/library/std/src/sys/backtrace.rs:182:18
[INFO] [stdout]   17:     0x5a880900cf4d - __rustc[caa99d26c7bae192]::rust_begin_unwind
[INFO] [stdout]                                at /rustc/db823df02fd0c2cf67b43025ac3fef3f2d743245/library/std/src/panicking.rs:689:5
[INFO] [stdout]   18:     0x5a880904511c - core[585f66e14d78f9ba]::panicking::panic_fmt
[INFO] [stdout]                                at /rustc/db823df02fd0c2cf67b43025ac3fef3f2d743245/library/core/src/panicking.rs:80:14
[INFO] [stdout]   19:     0x5a8808f329a8 - core[585f66e14d78f9ba]::panicking::panic_display::<assert_cmd[a5da273e5b210b64]::assert::AssertError>
[INFO] [stdout]                                at /rustc/db823df02fd0c2cf67b43025ac3fef3f2d743245/library/core/src/panicking.rs:259:5
[INFO] [stdout]   20:     0x5a8808f39de7 - <assert_cmd[a5da273e5b210b64]::assert::AssertError>::panic::<assert_cmd[a5da273e5b210b64]::assert::Assert>
[INFO] [stdout]                                at /opt/rustwide/cargo-home/registry/src/index.crates.io-1949cf8c6b5b557f/assert_cmd-2.0.4/src/assert.rs:1036:9
[INFO] [stdout]   21:     0x5a8808f3d467 - <<assert_cmd[a5da273e5b210b64]::assert::AssertError>::panic<assert_cmd[a5da273e5b210b64]::assert::Assert> as core[585f66e14d78f9ba]::ops::function::FnOnce<(assert_cmd[a5da273e5b210b64]::assert::AssertError,)>>::call_once
[INFO] [stdout]                                at /rustc/db823df02fd0c2cf67b43025ac3fef3f2d743245/library/core/src/ops/function.rs:250:5
[INFO] [stdout]   22:     0x5a8808f32404 - <core[585f66e14d78f9ba]::result::Result<assert_cmd[a5da273e5b210b64]::assert::Assert, assert_cmd[a5da273e5b210b64]::assert::AssertError>>::unwrap_or_else::<<assert_cmd[a5da273e5b210b64]::assert::AssertError>::panic<assert_cmd[a5da273e5b210b64]::assert::Assert>>
[INFO] [stdout]                                at /rustc/db823df02fd0c2cf67b43025ac3fef3f2d743245/library/core/src/result.rs:1622:23
[INFO] [stdout]   23:     0x5a8808f3c210 - <assert_cmd[a5da273e5b210b64]::assert::Assert>::success
[INFO] [stdout]                                at /opt/rustwide/cargo-home/registry/src/index.crates.io-1949cf8c6b5b557f/assert_cmd-2.0.4/src/assert.rs:156:28
[INFO] [stdout]   24:     0x5a8808f2c351 - cli[e68d740185eb4e5a]::run_read_file
[INFO] [stdout]                                at /opt/rustwide/workdir/tests/cli.rs:63:10
[INFO] [stdout]   25:     0x5a8808f2d0cb - cli[e68d740185eb4e5a]::read_lines_from_files
[INFO] [stdout]                                at /opt/rustwide/workdir/tests/cli.rs:79:5
[INFO] [stdout]   26:     0x5a8808f2bf17 - cli[e68d740185eb4e5a]::read_lines_from_files::{closure#0}
[INFO] [stdout]                                at /opt/rustwide/workdir/tests/cli.rs:74:27
[INFO] [stdout]   27:     0x5a8808f2ebf6 - <cli[e68d740185eb4e5a]::read_lines_from_files::{closure#0} as core[585f66e14d78f9ba]::ops::function::FnOnce<()>>::call_once
[INFO] [stdout]                                at /rustc/db823df02fd0c2cf67b43025ac3fef3f2d743245/library/core/src/ops/function.rs:250:5
[INFO] [stdout]   28:     0x5a8808f7dfbb - <fn() -> core[585f66e14d78f9ba]::result::Result<(), alloc[15e7b27aba85d2e2]::string::String> as core[585f66e14d78f9ba]::ops::function::FnOnce<()>>::call_once
[INFO] [stdout]                                at /rustc/db823df02fd0c2cf67b43025ac3fef3f2d743245/library/core/src/ops/function.rs:250:5
[INFO] [stdout]   29:     0x5a8808f7dfbb - test[30224e0cb089acd2]::__rust_begin_short_backtrace::<core[585f66e14d78f9ba]::result::Result<(), alloc[15e7b27aba85d2e2]::string::String>, fn() -> core[585f66e14d78f9ba]::result::Result<(), alloc[15e7b27aba85d2e2]::string::String>>
[INFO] [stdout]                                at /rustc/db823df02fd0c2cf67b43025ac3fef3f2d743245/library/test/src/lib.rs:663:18
[INFO] [stdout]   30:     0x5a8808f8a81a - test[30224e0cb089acd2]::run_test_in_process::{closure#0}
[INFO] [stdout]                                at /rustc/db823df02fd0c2cf67b43025ac3fef3f2d743245/library/test/src/lib.rs:686:74
[INFO] [stdout]   31:     0x5a8808f8a81a - <core[585f66e14d78f9ba]::panic::unwind_safe::AssertUnwindSafe<test[30224e0cb089acd2]::run_test_in_process::{closure#0}> as core[585f66e14d78f9ba]::ops::function::FnOnce<()>>::call_once
[INFO] [stdout]                                at /rustc/db823df02fd0c2cf67b43025ac3fef3f2d743245/library/core/src/panic/unwind_safe.rs:274:9
[INFO] [stdout]   32:     0x5a8808f8a81a - std[3f03f8b59f91bef1]::panicking::catch_unwind::do_call::<core[585f66e14d78f9ba]::panic::unwind_safe::AssertUnwindSafe<test[30224e0cb089acd2]::run_test_in_process::{closure#0}>, core[585f66e14d78f9ba]::result::Result<(), alloc[15e7b27aba85d2e2]::string::String>>
[INFO] [stdout]                                at /rustc/db823df02fd0c2cf67b43025ac3fef3f2d743245/library/std/src/panicking.rs:581:40
[INFO] [stdout]   33:     0x5a8808f8a81a - std[3f03f8b59f91bef1]::panicking::catch_unwind::<core[585f66e14d78f9ba]::result::Result<(), alloc[15e7b27aba85d2e2]::string::String>, core[585f66e14d78f9ba]::panic::unwind_safe::AssertUnwindSafe<test[30224e0cb089acd2]::run_test_in_process::{closure#0}>>
[INFO] [stdout]                                at /rustc/db823df02fd0c2cf67b43025ac3fef3f2d743245/library/std/src/panicking.rs:544:19
[INFO] [stderr] error: test failed, to rerun pass `--test cli`
[INFO] [stdout]   34:     0x5a8808f8a81a - std[3f03f8b59f91bef1]::panic::catch_unwind::<core[585f66e14d78f9ba]::panic::unwind_safe::AssertUnwindSafe<test[30224e0cb089acd2]::run_test_in_process::{closure#0}>, core[585f66e14d78f9ba]::result::Result<(), alloc[15e7b27aba85d2e2]::string::String>>
[INFO] [stdout]                                at /rustc/db823df02fd0c2cf67b43025ac3fef3f2d743245/library/std/src/panic.rs:359:14
[INFO] [stdout]   35:     0x5a8808f8a81a - test[30224e0cb089acd2]::run_test_in_process
[INFO] [stdout]                                at /rustc/db823df02fd0c2cf67b43025ac3fef3f2d743245/library/test/src/lib.rs:686:27
[INFO] [stdout]   36:     0x5a8808f8a81a - test[30224e0cb089acd2]::run_test::{closure#0}
[INFO] [stdout]                                at /rustc/db823df02fd0c2cf67b43025ac3fef3f2d743245/library/test/src/lib.rs:607:43
[INFO] [stdout]   37:     0x5a8808f84ce4 - test[30224e0cb089acd2]::run_test::{closure#1}
[INFO] [stdout]                                at /rustc/db823df02fd0c2cf67b43025ac3fef3f2d743245/library/test/src/lib.rs:637:41
[INFO] [stdout]   38:     0x5a8808f84ce4 - std[3f03f8b59f91bef1]::sys::backtrace::__rust_begin_short_backtrace::<test[30224e0cb089acd2]::run_test::{closure#1}, ()>
[INFO] [stdout]                                at /rustc/db823df02fd0c2cf67b43025ac3fef3f2d743245/library/std/src/sys/backtrace.rs:166:18
[INFO] [stdout]   39:     0x5a8808f8d312 - std[3f03f8b59f91bef1]::thread::lifecycle::spawn_unchecked::<test[30224e0cb089acd2]::run_test::{closure#1}, ()>::{closure#1}::{closure#0}
[INFO] [stdout]                                at /rustc/db823df02fd0c2cf67b43025ac3fef3f2d743245/library/std/src/thread/lifecycle.rs:91:13
[INFO] [stdout]   40:     0x5a8808f8d312 - <core[585f66e14d78f9ba]::panic::unwind_safe::AssertUnwindSafe<std[3f03f8b59f91bef1]::thread::lifecycle::spawn_unchecked<test[30224e0cb089acd2]::run_test::{closure#1}, ()>::{closure#1}::{closure#0}> as core[585f66e14d78f9ba]::ops::function::FnOnce<()>>::call_once
[INFO] [stdout]                                at /rustc/db823df02fd0c2cf67b43025ac3fef3f2d743245/library/core/src/panic/unwind_safe.rs:274:9
[INFO] [stdout]   41:     0x5a8808f8d312 - std[3f03f8b59f91bef1]::panicking::catch_unwind::do_call::<core[585f66e14d78f9ba]::panic::unwind_safe::AssertUnwindSafe<std[3f03f8b59f91bef1]::thread::lifecycle::spawn_unchecked<test[30224e0cb089acd2]::run_test::{closure#1}, ()>::{closure#1}::{closure#0}>, ()>
[INFO] [stdout]                                at /rustc/db823df02fd0c2cf67b43025ac3fef3f2d743245/library/std/src/panicking.rs:581:40
[INFO] [stdout]   42:     0x5a8808f8d312 - std[3f03f8b59f91bef1]::panicking::catch_unwind::<(), core[585f66e14d78f9ba]::panic::unwind_safe::AssertUnwindSafe<std[3f03f8b59f91bef1]::thread::lifecycle::spawn_unchecked<test[30224e0cb089acd2]::run_test::{closure#1}, ()>::{closure#1}::{closure#0}>>
[INFO] [stdout]                                at /rustc/db823df02fd0c2cf67b43025ac3fef3f2d743245/library/std/src/panicking.rs:544:19
[INFO] [stdout]   43:     0x5a8808f8d312 - std[3f03f8b59f91bef1]::panic::catch_unwind::<core[585f66e14d78f9ba]::panic::unwind_safe::AssertUnwindSafe<std[3f03f8b59f91bef1]::thread::lifecycle::spawn_unchecked<test[30224e0cb089acd2]::run_test::{closure#1}, ()>::{closure#1}::{closure#0}>, ()>
[INFO] [stdout]                                at /rustc/db823df02fd0c2cf67b43025ac3fef3f2d743245/library/std/src/panic.rs:359:14
[INFO] [stdout]   44:     0x5a8808f8d312 - std[3f03f8b59f91bef1]::thread::lifecycle::spawn_unchecked::<test[30224e0cb089acd2]::run_test::{closure#1}, ()>::{closure#1}
[INFO] [stdout]                                at /rustc/db823df02fd0c2cf67b43025ac3fef3f2d743245/library/std/src/thread/lifecycle.rs:89:26
[INFO] [stdout]   45:     0x5a8808f8d312 - <std[3f03f8b59f91bef1]::thread::lifecycle::spawn_unchecked<test[30224e0cb089acd2]::run_test::{closure#1}, ()>::{closure#1} as core[585f66e14d78f9ba]::ops::function::FnOnce<()>>::call_once::{shim:vtable#0}
[INFO] [stdout]                                at /rustc/db823df02fd0c2cf67b43025ac3fef3f2d743245/library/core/src/ops/function.rs:250:5
[INFO] [stdout]   46:     0x5a880902d9ff - <alloc[15e7b27aba85d2e2]::boxed::Box<dyn core[585f66e14d78f9ba]::ops::function::FnOnce<(), Output = ()> + core[585f66e14d78f9ba]::marker::Send> as core[585f66e14d78f9ba]::ops::function::FnOnce<()>>::call_once
[INFO] [stdout]                                at /rustc/db823df02fd0c2cf67b43025ac3fef3f2d743245/library/alloc/src/boxed.rs:2206:9
[INFO] [stdout]   47:     0x5a880902d9ff - <std[3f03f8b59f91bef1]::sys::thread::unix::Thread>::new::thread_start
[INFO] [stdout]                                at /rustc/db823df02fd0c2cf67b43025ac3fef3f2d743245/library/std/src/sys/thread/unix.rs:119:17
[INFO] [stdout]   48:     0x700b1de73aa4 - <unknown>
[INFO] [stdout]   49:     0x700b1df00a64 - clone
[INFO] [stdout]   50:                0x0 - <unknown>
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] failures:
[INFO] [stdout]     read_lines
[INFO] [stdout]     read_lines_from_files
[INFO] [stdout]     test_bytes
[INFO] [stdout]     test_empty
[INFO] [stdout] 
[INFO] [stdout] test result: FAILED. 4 passed; 4 failed; 0 ignored; 0 measured; 0 filtered out; finished in 0.05s
[INFO] [stdout] 
[INFO] running `Command { std: "docker" "inspect" "d3e91f2d39de6690b7a0d0984f66c18a4f8f52c9646b10363aaf830ae0bfa1c5", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "d3e91f2d39de6690b7a0d0984f66c18a4f8f52c9646b10363aaf830ae0bfa1c5", kill_on_drop: false }`
[INFO] [stdout] d3e91f2d39de6690b7a0d0984f66c18a4f8f52c9646b10363aaf830ae0bfa1c5
