[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 master#ec6f9a5b4413f74386267ef8efc93712c2ce6db6 for pr-155739
[INFO] running `Command { std: "git" "clone" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Ftopazus%2Fhead-rs" "/workspace/builds/worker-0-tc1/source", kill_on_drop: false }`
[INFO] [stderr] Cloning into '/workspace/builds/worker-0-tc1/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-0-tc1/source/Cargo.toml
[INFO] validating manifest of git repo https://github.com/topazus/head-rs on toolchain ec6f9a5b4413f74386267ef8efc93712c2ce6db6
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+ec6f9a5b4413f74386267ef8efc93712c2ce6db6" "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" "+ec6f9a5b4413f74386267ef8efc93712c2ce6db6" "fetch" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] [stderr]  Downloading crates ...
[INFO] [stderr]   Downloaded getrandom v0.2.6
[INFO] [stderr]   Downloaded predicates-core v1.0.3
[INFO] [stderr]   Downloaded clap_lex v0.1.1
[INFO] [stderr]   Downloaded predicates v2.1.1
[INFO] [stderr]   Downloaded termtree v0.2.4
[INFO] [stderr]   Downloaded assert_cmd v2.0.4
[INFO] [stderr]   Downloaded os_str_bytes v6.0.0
[INFO] [stderr]   Downloaded predicates-tree v1.0.5
[INFO] [stderr]   Downloaded textwrap v0.15.0
[INFO] [stderr]   Downloaded indexmap v1.8.1
[INFO] [stderr]   Downloaded regex v1.5.5
[INFO] [stderr]   Downloaded clap v3.1.12
[INFO] [stderr]   Downloaded bstr v0.2.17
[INFO] [stderr]   Downloaded libc v0.2.124
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-0-tc1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-0-tc1/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:d429b63d4308055ea97f60fb1d3dfca48854a00942f1bd2ad806beaf015945ec" "/opt/rustwide/cargo-home/bin/cargo" "+ec6f9a5b4413f74386267ef8efc93712c2ce6db6" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] 109ef0d3fd68a2850631855840070a91088a83e14070c147be03b62f2e985d83
[INFO] running `Command { std: "docker" "start" "-a" "109ef0d3fd68a2850631855840070a91088a83e14070c147be03b62f2e985d83", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "109ef0d3fd68a2850631855840070a91088a83e14070c147be03b62f2e985d83", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "109ef0d3fd68a2850631855840070a91088a83e14070c147be03b62f2e985d83", kill_on_drop: false }`
[INFO] [stdout] 109ef0d3fd68a2850631855840070a91088a83e14070c147be03b62f2e985d83
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-0-tc1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-0-tc1/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:d429b63d4308055ea97f60fb1d3dfca48854a00942f1bd2ad806beaf015945ec" "/opt/rustwide/cargo-home/bin/cargo" "+ec6f9a5b4413f74386267ef8efc93712c2ce6db6" "build" "--frozen" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] 7862ce4e480cd7f9906ab506f674a9627b2c55f2d3332d650cd909b6b5b4ec2b
[INFO] running `Command { std: "docker" "start" "-a" "7862ce4e480cd7f9906ab506f674a9627b2c55f2d3332d650cd909b6b5b4ec2b", kill_on_drop: false }`
[INFO] [stderr]    Compiling libc v0.2.124
[INFO] [stderr]    Compiling indexmap v1.8.1
[INFO] [stderr]    Compiling hashbrown v0.11.2
[INFO] [stderr]    Compiling os_str_bytes v6.0.0
[INFO] [stderr]    Compiling strsim v0.10.0
[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 7.09s
[INFO] running `Command { std: "docker" "inspect" "7862ce4e480cd7f9906ab506f674a9627b2c55f2d3332d650cd909b6b5b4ec2b", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "7862ce4e480cd7f9906ab506f674a9627b2c55f2d3332d650cd909b6b5b4ec2b", kill_on_drop: false }`
[INFO] [stdout] 7862ce4e480cd7f9906ab506f674a9627b2c55f2d3332d650cd909b6b5b4ec2b
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-0-tc1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-0-tc1/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:d429b63d4308055ea97f60fb1d3dfca48854a00942f1bd2ad806beaf015945ec" "/opt/rustwide/cargo-home/bin/cargo" "+ec6f9a5b4413f74386267ef8efc93712c2ce6db6" "test" "--frozen" "--no-run" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] 10f508d0e42fa82b244398cba865297650f78d48e9a2a1f023b9299b485a2e68
[INFO] running `Command { std: "docker" "start" "-a" "10f508d0e42fa82b244398cba865297650f78d48e9a2a1f023b9299b485a2e68", kill_on_drop: false }`
[INFO] [stderr]    Compiling libc v0.2.124
[INFO] [stderr]    Compiling predicates-core v1.0.3
[INFO] [stderr]    Compiling num-traits v0.2.14
[INFO] [stderr]    Compiling itertools v0.10.3
[INFO] [stderr]    Compiling regex-automata v0.1.10
[INFO] [stderr]    Compiling termtree v0.2.4
[INFO] [stderr]    Compiling regex v1.5.5
[INFO] [stderr]    Compiling predicates-tree v1.0.5
[INFO] [stderr]    Compiling bstr v0.2.17
[INFO] [stderr]    Compiling getrandom v0.2.6
[INFO] [stderr]    Compiling atty v0.2.14
[INFO] [stderr]    Compiling wait-timeout v0.2.0
[INFO] [stderr]    Compiling rand_core v0.6.3
[INFO] [stderr]    Compiling clap v3.1.12
[INFO] [stderr]    Compiling rand_chacha v0.3.1
[INFO] [stderr]    Compiling float-cmp v0.9.0
[INFO] [stderr]    Compiling rand v0.8.5
[INFO] [stderr]    Compiling predicates v2.1.1
[INFO] [stderr]    Compiling assert_cmd v2.0.4
[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] [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 12.77s
[INFO] running `Command { std: "docker" "inspect" "10f508d0e42fa82b244398cba865297650f78d48e9a2a1f023b9299b485a2e68", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "10f508d0e42fa82b244398cba865297650f78d48e9a2a1f023b9299b485a2e68", kill_on_drop: false }`
[INFO] [stdout] 10f508d0e42fa82b244398cba865297650f78d48e9a2a1f023b9299b485a2e68
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-0-tc1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-0-tc1/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:d429b63d4308055ea97f60fb1d3dfca48854a00942f1bd2ad806beaf015945ec" "/opt/rustwide/cargo-home/bin/cargo" "+ec6f9a5b4413f74386267ef8efc93712c2ce6db6" "test" "--frozen", kill_on_drop: false }`
[INFO] [stdout] 810b7507207562334b53582b53f21acc34e61a8f3ea9074c9706cb49abd43997
[INFO] running `Command { std: "docker" "start" "-a" "810b7507207562334b53582b53f21acc34e61a8f3ea9074c9706cb49abd43997", 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 0.09s
[INFO] [stderr]      Running unittests src/lib.rs (/opt/rustwide/target/debug/deps/headr-365ef28dc96291c5)
[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_read_lines_file ... ok
[INFO] [stdout] test test_parse_positive_int3 ... ok
[INFO] [stderr]      Running unittests src/main.rs (/opt/rustwide/target/debug/deps/headr-8dc9ce42b66dbbd6)
[INFO] [stdout] 
[INFO] [stdout] test result: ok. 4 passed; 0 failed; 0 ignored; 0 measured; 0 filtered out; finished in 0.02s
[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-80e7e81bdd71ed7e)
[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 read_lines_from_files ... FAILED
[INFO] [stdout] test test_bytes ... FAILED
[INFO] [stdout] test test_empty ... FAILED
[INFO] [stdout] 
[INFO] [stdout] failures:
[INFO] [stdout] 
[INFO] [stdout] ---- read_lines stdout ----
[INFO] [stdout] 
[INFO] [stdout] thread 'read_lines' (26) panicked at /rustc/ec6f9a5b4413f74386267ef8efc93712c2ce6db6/library/core/src/ops/function.rs:250:5:
[INFO] [stdout] Unexpected failure.
[INFO] [stdout] code-101
[INFO] [stdout] stderr=```"\nthread \'main\' (43) panicked at src/lib.rs:88:10:\nMust use `_os` lookups with `Arg::allow_invalid_utf8` at `lines`\nstack backtrace:\n   0:     0x65326a57d7fa - std[29689e6404d28ef9]::backtrace_rs::backtrace::libunwind::trace\n                               at /rustc/ec6f9a5b4413f74386267ef8efc93712c2ce6db6/library/std/src/../../backtrace/src/backtrace/libunwind.rs:117:9\n   1:     0x65326a57d7fa - std[29689e6404d28ef9]::backtrace_rs::backtrace::trace_unsynchronized::<std[29689e6404d28ef9]::sys::backtrace::_print_fmt::{closure#1}>\n                               at /rustc/ec6f9a5b4413f74386267ef8efc93712c2ce6db6/library/std/src/../../backtrace/src/backtrace/mod.rs:66:14\n   2:     0x65326a57d7fa - std[29689e6404d28ef9]::sys::backtrace::_print_fmt\n                               at /rustc/ec6f9a5b4413f74386267ef8efc93712c2ce6db6/library/std/src/sys/backtrace.rs:74:9\n   3:     0x65326a57d7fa - <<std[29689e6404d28ef9]::sys::backtrace::BacktraceLock>::print::DisplayBacktrace as core[e929cb53b82a81ca]::fmt::Display>::fmt\n                               at /rustc/ec6f9a5b4413f74386267ef8efc93712c2ce6db6/library/std/src/sys/backtrace.rs:44:26\n   4:     0x65326a59117a - <core[e929cb53b82a81ca]::fmt::rt::Argument>::fmt\n                               at /rustc/ec6f9a5b4413f74386267ef8efc93712c2ce6db6/library/core/src/fmt/rt.rs:152:76\n   5:     0x65326a59117a - core[e929cb53b82a81ca]::fmt::write\n   6:     0x65326a582f22 - std[29689e6404d28ef9]::io::default_write_fmt::<std[29689e6404d28ef9]::sys::stdio::unix::Stderr>\n                               at /rustc/ec6f9a5b4413f74386267ef8efc93712c2ce6db6/library/std/src/io/mod.rs:621:11\n   7:     0x65326a582f22 - <std[29689e6404d28ef9]::sys::stdio::unix::Stderr as std[29689e6404d28ef9]::io::Write>::write_fmt\n                               at /rustc/ec6f9a5b4413f74386267ef8efc93712c2ce6db6/library/std/src/io/mod.rs:1976:13\n   8:     0x65326a56827f - <std[29689e6404d28ef9]::sys::backtrace::BacktraceLock>::print\n                               at /rustc/ec6f9a5b4413f74386267ef8efc93712c2ce6db6/library/std/src/sys/backtrace.rs:47:9\n   9:     0x65326a56827f - std[29689e6404d28ef9]::panicking::default_hook::{closure#0}\n                               at /rustc/ec6f9a5b4413f74386267ef8efc93712c2ce6db6/library/std/src/panicking.rs:292:27\n  10:     0x65326a5792c1 - std[29689e6404d28ef9]::panicking::default_hook\n                               at /rustc/ec6f9a5b4413f74386267ef8efc93712c2ce6db6/library/std/src/panicking.rs:319:9\n  11:     0x65326a57947b - std[29689e6404d28ef9]::panicking::panic_with_hook\n                               at /rustc/ec6f9a5b4413f74386267ef8efc93712c2ce6db6/library/std/src/panicking.rs:825:13\n  12:     0x65326a568338 - std[29689e6404d28ef9]::panicking::panic_handler::{closure#0}\n                               at /rustc/ec6f9a5b4413f74386267ef8efc93712c2ce6db6/library/std/src/panicking.rs:698:13\n  13:     0x65326a55d529 - std[29689e6404d28ef9]::sys::backtrace::__rust_end_short_backtrace::<std[29689e6404d28ef9]::panicking::panic_handler::{closure#0}, !>\n                               at /rustc/ec6f9a5b4413f74386267ef8efc93712c2ce6db6/library/std/src/sys/backtrace.rs:182:18\n  14:     0x65326a568d1d - __rustc[3aed6af316653e63]::rust_begin_unwind\n                               at /rustc/ec6f9a5b4413f74386267ef8efc93712c2ce6db6/library/std/src/panicking.rs:689:5\n  15:     0x65326a59190c - core[e929cb53b82a81ca]::panicking::panic_fmt\n                               at /rustc/ec6f9a5b4413f74386267ef8efc93712c2ce6db6/library/core/src/panicking.rs:80:14\n  16:     0x65326a42d5de - clap[b04f63960fc043e6]::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:     0x65326a42801b - <clap[b04f63960fc043e6]::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:     0x65326a42b485 - headr[5d3360d6b55101be]::get_args\n                               at /opt/rustwide/workdir/src/lib.rs:88:10\n  19:     0x65326a427a32 - headr[b075a0b1261503b4]::main\n                               at /opt/rustwide/workdir/src/main.rs:2:21\n  20:     0x65326a427b4b - <fn() as core[e929cb53b82a81ca]::ops::function::FnOnce<()>>::call_once\n                               at /rustc/ec6f9a5b4413f74386267ef8efc93712c2ce6db6/library/core/src/ops/function.rs:250:5\n  21:     0x65326a4279be - std[29689e6404d28ef9]::sys::backtrace::__rust_begin_short_backtrace::<fn(), ()>\n                               at /rustc/ec6f9a5b4413f74386267ef8efc93712c2ce6db6/library/std/src/sys/backtrace.rs:166:18\n  22:     0x65326a4279e1 - std[29689e6404d28ef9]::rt::lang_start::<()>::{closure#0}\n                               at /rustc/ec6f9a5b4413f74386267ef8efc93712c2ce6db6/library/std/src/rt.rs:206:18\n  23:     0x65326a5786d7 - <&dyn core[e929cb53b82a81ca]::ops::function::Fn<(), Output = i32> + core[e929cb53b82a81ca]::panic::unwind_safe::RefUnwindSafe + core[e929cb53b82a81ca]::marker::Sync as core[e929cb53b82a81ca]::ops::function::FnOnce<()>>::call_once\n                               at /rustc/ec6f9a5b4413f74386267ef8efc93712c2ce6db6/library/core/src/ops/function.rs:287:21\n  24:     0x65326a5786d7 - std[29689e6404d28ef9]::panicking::catch_unwind::do_call::<&dyn core[e929cb53b82a81ca]::ops::function::Fn<(), Output = i32> + core[e929cb53b82a81ca]::panic::unwind_safe::RefUnwindSafe + core[e929cb53b82a81ca]::marker::Sync, i32>\n                               at /rustc/ec6f9a5b4413f74386267ef8efc93712c2ce6db6/library/std/src/panicking.rs:581:40\n  25:     0x65326a5786d7 - std[29689e6404d28ef9]::panicking::catch_unwind::<i32, &dyn core[e929cb53b82a81ca]::ops::function::Fn<(), Output = i32> + core[e929cb53b82a81ca]::panic::unwind_safe::RefUnwindSafe + core[e929cb53b82a81ca]::marker::Sync>\n                               at /rustc/ec6f9a5b4413f74386267ef8efc93712c2ce6db6/library/std/src/panicking.rs:544:19\n  26:     0x65326a5786d7 - std[29689e6404d28ef9]::panic::catch_unwind::<&dyn core[e929cb53b82a81ca]::ops::function::Fn<(), Output = i32> + core[e929cb53b82a81ca]::panic::unwind_safe::RefUnwindSafe + core[e929cb53b82a81ca]::marker::Sync, i32>\n                               at /rustc/ec6f9a5b4413f74386267ef8efc93712c2ce6db6/library/std/src/panic.rs:359:14\n  27:     0x65326a5786d7 - std[29689e6404d28ef9]::rt::lang_start_internal::{closure#0}\n                               at /rustc/ec6f9a5b4413f74386267ef8efc93712c2ce6db6/library/std/src/rt.rs:175:24\n  28:     0x65326a5786d7 - std[29689e6404d28ef9]::panicking::catch_unwind::do_call::<std[29689e6404d28ef9]::rt::lang_start_internal::{closure#0}, isize>\n                               at /rustc/ec6f9a5b4413f74386267ef8efc93712c2ce6db6/library/std/src/panicking.rs:581:40\n  29:     0x65326a5786d7 - std[29689e6404d28ef9]::panicking::catch_unwind::<isize, std[29689e6404d28ef9]::rt::lang_start_internal::{closure#0}>\n                               at /rustc/ec6f9a5b4413f74386267ef8efc93712c2ce6db6/library/std/src/panicking.rs:544:19\n  30:     0x65326a5786d7 - std[29689e6404d28ef9]::panic::catch_unwind::<std[29689e6404d28ef9]::rt::lang_start_internal::{closure#0}, isize>\n                               at /rustc/ec6f9a5b4413f74386267ef8efc93712c2ce6db6/library/std/src/panic.rs:359:14\n  31:     0x65326a5786d7 - std[29689e6404d28ef9]::rt::lang_start_internal\n                               at /rustc/ec6f9a5b4413f74386267ef8efc93712c2ce6db6/library/std/src/rt.rs:171:5\n  32:     0x65326a4279a7 - std[29689e6404d28ef9]::rt::lang_start::<()>\n                               at /rustc/ec6f9a5b4413f74386267ef8efc93712c2ce6db6/library/std/src/rt.rs:205:5\n  33:     0x65326a427bde - main\n  34:     0x7dc57f2b11ca - <unknown>\n  35:     0x7dc57f2b128b - __libc_start_main\n  36:     0x65326a427805 - _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\' (43) panicked at src/lib.rs:88:10:\nMust use `_os` lookups with `Arg::allow_invalid_utf8` at `lines`\nstack backtrace:\n   0:     0x65326a57d7fa - std[29689e6404d28ef9]::backtrace_rs::backtrace::libunwind::trace\n                               at /rustc/ec6f9a5b4413f74386267ef8efc93712c2ce6db6/library/std/src/../../backtrace/src/backtrace/libunwind.rs:117:9\n   1:     0x65326a57d7fa - std[29689e6404d28ef9]::backtrace_rs::backtrace::trace_unsynchronized::<std[29689e6404d28ef9]::sys::backtrace::_print_fmt::{closure#1}>\n                               at /rustc/ec6f9a5b4413f74386267ef8efc93712c2ce6db6/library/std/src/../../backtrace/src/backtrace/mod.rs:66:14\n   2:     0x65326a57d7fa - std[29689e6404d28ef9]::sys::backtrace::_print_fmt\n                               at /rustc/ec6f9a5b4413f74386267ef8efc93712c2ce6db6/library/std/src/sys/backtrace.rs:74:9\n   3:     0x65326a57d7fa - <<std[29689e6404d28ef9]::sys::backtrace::BacktraceLock>::print::DisplayBacktrace as core[e929cb53b82a81ca]::fmt::Display>::fmt\n                               at /rustc/ec6f9a5b4413f74386267ef8efc93712c2ce6db6/library/std/src/sys/backtrace.rs:44:26\n   4:     0x65326a59117a - <core[e929cb53b82a81ca]::fmt::rt::Argument>::fmt\n                               at /rustc/ec6f9a5b4413f74386267ef8efc93712c2ce6db6/library/core/src/fmt/rt.rs:152:76\n   5:     0x65326a59117a - core[e929cb53b82a81ca]::fmt::write\n   6:     0x65326a582f22 - std[29689e6404d28ef9]::io::default_write_fmt::<std[29689e6404d28ef9]::sys::stdio::unix::Stderr>\n                               at /rustc/ec6f9a5b4413f74386267ef8efc93712c2ce6db6/library/std/src/io/mod.rs:621:11\n   7:     0x65326a582f22 - <std[29689e6404d28ef9]::sys::stdio::unix::Stderr as std[29689e6404d28ef9]::io::Write>::write_fmt\n                               at /rustc/ec6f9a5b4413f74386267ef8efc93712c2ce6db6/library/std/src/io/mod.rs:1976:13\n   8:     0x65326a56827f - <std[29689e6404d28ef9]::sys::backtrace::BacktraceLock>::print\n                               at /rustc/ec6f9a5b4413f74386267ef8efc93712c2ce6db6/library/std/src/sys/backtrace.rs:47:9\n   9:     0x65326a56827f - std[29689e6404d28ef9]::panicking::default_hook::{closure#0}\n                               at /rustc/ec6f9a5b4413f74386267ef8efc93712c2ce6db6/library/std/src/panicking.rs:292:27\n  10:     0x65326a5792c1 - std[29689e6404d28ef9]::panicking::default_hook\n                               at /rustc/ec6f9a5b4413f74386267ef8efc93712c2ce6db6/library/std/src/panicking.rs:319:9\n  11:     0x65326a57947b - std[29689e6404d28ef9]::panicking::panic_with_hook\n                               at /rustc/ec6f9a5b4413f74386267ef8efc93712c2ce6db6/library/std/src/panicking.rs:825:13\n  12:     0x65326a568338 - std[29689e6404d28ef9]::panicking::panic_handler::{closure#0}\n                               at /rustc/ec6f9a5b4413f74386267ef8efc93712c2ce6db6/library/std/src/panicking.rs:698:13\n  13:     0x65326a55d529 - std[29689e6404d28ef9]::sys::backtrace::__rust_end_short_backtrace::<std[29689e6404d28ef9]::panicking::panic_handler::{closure#0}, !>\n                               at /rustc/ec6f9a5b4413f74386267ef8efc93712c2ce6db6/library/std/src/sys/backtrace.rs:182:18\n  14:     0x65326a568d1d - __rustc[3aed6af316653e63]::rust_begin_unwind\n                               at /rustc/ec6f9a5b4413f74386267ef8efc93712c2ce6db6/library/std/src/panicking.rs:689:5\n  15:     0x65326a59190c - core[e929cb53b82a81ca]::panicking::panic_fmt\n                               at /rustc/ec6f9a5b4413f74386267ef8efc93712c2ce6db6/library/core/src/panicking.rs:80:14\n  16:     0x65326a42d5de - clap[b04f63960fc043e6]::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:     0x65326a42801b - <clap[b04f63960fc043e6]::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:     0x65326a42b485 - headr[5d3360d6b55101be]::get_args\n                               at /opt/rustwide/workdir/src/lib.rs:88:10\n  19:     0x65326a427a32 - headr[b075a0b1261503b4]::main\n                               at /opt/rustwide/workdir/src/main.rs:2:21\n  20:     0x65326a427b4b - <fn() as core[e929cb53b82a81ca]::ops::function::FnOnce<()>>::call_once\n                               at /rustc/ec6f9a5b4413f74386267ef8efc93712c2ce6db6/library/core/src/ops/function.rs:250:5\n  21:     0x65326a4279be - std[29689e6404d28ef9]::sys::backtrace::__rust_begin_short_backtrace::<fn(), ()>\n                               at /rustc/ec6f9a5b4413f74386267ef8efc93712c2ce6db6/library/std/src/sys/backtrace.rs:166:18\n  22:     0x65326a4279e1 - std[29689e6404d28ef9]::rt::lang_start::<()>::{closure#0}\n                               at /rustc/ec6f9a5b4413f74386267ef8efc93712c2ce6db6/library/std/src/rt.rs:206:18\n  23:     0x65326a5786d7 - <&dyn core[e929cb53b82a81ca]::ops::function::Fn<(), Output = i32> + core[e929cb53b82a81ca]::panic::unwind_safe::RefUnwindSafe + core[e929cb53b82a81ca]::marker::Sync as core[e929cb53b82a81ca]::ops::function::FnOnce<()>>::call_once\n                               at /rustc/ec6f9a5b4413f74386267ef8efc93712c2ce6db6/library/core/src/ops/function.rs:287:21\n  24:     0x65326a5786d7 - std[29689e6404d28ef9]::panicking::catch_unwind::do_call::<&dyn core[e929cb53b82a81ca]::ops::function::Fn<(), Output = i32> + core[e929cb53b82a81ca]::panic::unwind_safe::RefUnwindSafe + core[e929cb53b82a81ca]::marker::Sync, i32>\n                               at /rustc/ec6f9a5b4413f74386267ef8efc93712c2ce6db6/library/std/src/panicking.rs:581:40\n  25:     0x65326a5786d7 - std[29689e6404d28ef9]::panicking::catch_unwind::<i32, &dyn core[e929cb53b82a81ca]::ops::function::Fn<(), Output = i32> + core[e929cb53b82a81ca]::panic::unwind_safe::RefUnwindSafe + core[e929cb53b82a81ca]::marker::Sync>\n                               at /rustc/ec6f9a5b4413f74386267ef8efc93712c2ce6db6/library/std/src/panicking.rs:544:19\n  26:     0x65326a5786d7 - std[29689e6404d28ef9]::panic::catch_unwind::<&dyn core[e929cb53b82a81ca]::ops::function::Fn<(), Output = i32> + core[e929cb53b82a81ca]::panic::unwind_safe::RefUnwindSafe + core[e929cb53b82a81ca]::marker::Sync, i32>\n                               at /rustc/ec6f9a5b4413f74386267ef8efc93712c2ce6db6/library/std/src/panic.rs:359:14\n  27:     0x65326a5786d7 - std[29689e6404d28ef9]::rt::lang_start_internal::{closure#0}\n                               at /rustc/ec6f9a5b4413f74386267ef8efc93712c2ce6db6/library/std/src/rt.rs:175:24\n  28:     0x65326a5786d7 - std[29689e6404d28ef9]::panicking::catch_unwind::do_call::<std[29689e6404d28ef9]::rt::lang_start_internal::{closure#0}, isize>\n                               at /rustc/ec6f9a5b4413f74386267ef8efc93712c2ce6db6/library/std/src/panicking.rs:581:40\n  29:     0x65326a5786d7 - std[29689e6404d28ef9]::panicking::catch_unwind::<isize, std[29689e6404d28ef9]::rt::lang_start_internal::{closure#0}>\n                               at /rustc/ec6f9a5b4413f74386267ef8efc93712c2ce6db6/library/std/src/panicking.rs:544:19\n  30:     0x65326a5786d7 - std[29689e6404d28ef9]::panic::catch_unwind::<std[29689e6404d28ef9]::rt::lang_start_internal::{closure#0}, isize>\n                               at /rustc/ec6f9a5b4413f74386267ef8efc93712c2ce6db6/library/std/src/panic.rs:359:14\n  31:     0x65326a5786d7 - std[29689e6404d28ef9]::rt::lang_start_internal\n                               at /rustc/ec6f9a5b4413f74386267ef8efc93712c2ce6db6/library/std/src/rt.rs:171:5\n  32:     0x65326a4279a7 - std[29689e6404d28ef9]::rt::lang_start::<()>\n                               at /rustc/ec6f9a5b4413f74386267ef8efc93712c2ce6db6/library/std/src/rt.rs:205:5\n  33:     0x65326a427bde - main\n  34:     0x7dc57f2b11ca - <unknown>\n  35:     0x7dc57f2b128b - __libc_start_main\n  36:     0x65326a427805 - _start\n  37:                0x0 - <unknown>\n"
[INFO] [stdout] 
[INFO] [stdout] stack backtrace:
[INFO] [stdout]    0:     0x59d52d67aa1a - std[29689e6404d28ef9]::backtrace_rs::backtrace::libunwind::trace
[INFO] [stdout]                                at /rustc/ec6f9a5b4413f74386267ef8efc93712c2ce6db6/library/std/src/../../backtrace/src/backtrace/libunwind.rs:117:9
[INFO] [stdout]    1:     0x59d52d67aa1a - std[29689e6404d28ef9]::backtrace_rs::backtrace::trace_unsynchronized::<std[29689e6404d28ef9]::sys::backtrace::_print_fmt::{closure#1}>
[INFO] [stdout]                                at /rustc/ec6f9a5b4413f74386267ef8efc93712c2ce6db6/library/std/src/../../backtrace/src/backtrace/mod.rs:66:14
[INFO] [stdout]    2:     0x59d52d67aa1a - std[29689e6404d28ef9]::sys::backtrace::_print_fmt
[INFO] [stdout]                                at /rustc/ec6f9a5b4413f74386267ef8efc93712c2ce6db6/library/std/src/sys/backtrace.rs:74:9
[INFO] [stdout]    3:     0x59d52d67aa1a - <<std[29689e6404d28ef9]::sys::backtrace::BacktraceLock>::print::DisplayBacktrace as core[e929cb53b82a81ca]::fmt::Display>::fmt
[INFO] [stdout]                                at /rustc/ec6f9a5b4413f74386267ef8efc93712c2ce6db6/library/std/src/sys/backtrace.rs:44:26
[INFO] [stdout]    4:     0x59d52d6908ba - <core[e929cb53b82a81ca]::fmt::rt::Argument>::fmt
[INFO] [stdout]                                at /rustc/ec6f9a5b4413f74386267ef8efc93712c2ce6db6/library/core/src/fmt/rt.rs:152:76
[INFO] [stdout]    5:     0x59d52d6908ba - core[e929cb53b82a81ca]::fmt::write
[INFO] [stdout]    6:     0x59d52d680672 - std[29689e6404d28ef9]::io::default_write_fmt::<alloc[9d7caffeb3b5d2c6]::vec::Vec<u8>>
[INFO] [stdout]                                at /rustc/ec6f9a5b4413f74386267ef8efc93712c2ce6db6/library/std/src/io/mod.rs:621:11
[INFO] [stdout]    7:     0x59d52d680672 - <alloc[9d7caffeb3b5d2c6]::vec::Vec<u8> as std[29689e6404d28ef9]::io::Write>::write_fmt
[INFO] [stdout]                                at /rustc/ec6f9a5b4413f74386267ef8efc93712c2ce6db6/library/std/src/io/mod.rs:1976:13
[INFO] [stdout]    8:     0x59d52d65917f - <std[29689e6404d28ef9]::sys::backtrace::BacktraceLock>::print
[INFO] [stdout]                                at /rustc/ec6f9a5b4413f74386267ef8efc93712c2ce6db6/library/std/src/sys/backtrace.rs:47:9
[INFO] [stdout]    9:     0x59d52d65917f - std[29689e6404d28ef9]::panicking::default_hook::{closure#0}
[INFO] [stdout]                                at /rustc/ec6f9a5b4413f74386267ef8efc93712c2ce6db6/library/std/src/panicking.rs:292:27
[INFO] [stdout]   10:     0x59d52d672df9 - std[29689e6404d28ef9]::panicking::default_hook
[INFO] [stdout]                                at /rustc/ec6f9a5b4413f74386267ef8efc93712c2ce6db6/library/std/src/panicking.rs:316:9
[INFO] [stdout]   11:     0x59d52d5d750c - <alloc[9d7caffeb3b5d2c6]::boxed::Box<dyn for<'a, 'b> core[e929cb53b82a81ca]::ops::function::Fn<(&'a std[29689e6404d28ef9]::panic::PanicHookInfo<'b>,), Output = ()> + core[e929cb53b82a81ca]::marker::Send + core[e929cb53b82a81ca]::marker::Sync> as core[e929cb53b82a81ca]::ops::function::Fn<(&std[29689e6404d28ef9]::panic::PanicHookInfo,)>>::call
[INFO] [stdout]                                at /rustc/ec6f9a5b4413f74386267ef8efc93712c2ce6db6/library/alloc/src/boxed.rs:2285:9
[INFO] [stdout]   12:     0x59d52d5d750c - test[a24b3028667022f7]::test_main_inner::<test[a24b3028667022f7]::test_main_static::{closure#0}>::{closure#0}
[INFO] [stdout]                                at /rustc/ec6f9a5b4413f74386267ef8efc93712c2ce6db6/library/test/src/lib.rs:155:21
[INFO] [stdout]   13:     0x59d52d672fb2 - <alloc[9d7caffeb3b5d2c6]::boxed::Box<dyn for<'a, 'b> core[e929cb53b82a81ca]::ops::function::Fn<(&'a std[29689e6404d28ef9]::panic::PanicHookInfo<'b>,), Output = ()> + core[e929cb53b82a81ca]::marker::Send + core[e929cb53b82a81ca]::marker::Sync> as core[e929cb53b82a81ca]::ops::function::Fn<(&std[29689e6404d28ef9]::panic::PanicHookInfo,)>>::call
[INFO] [stdout]                                at /rustc/ec6f9a5b4413f74386267ef8efc93712c2ce6db6/library/alloc/src/boxed.rs:2285:9
[INFO] [stdout]   14:     0x59d52d672fb2 - std[29689e6404d28ef9]::panicking::panic_with_hook
[INFO] [stdout]                                at /rustc/ec6f9a5b4413f74386267ef8efc93712c2ce6db6/library/std/src/panicking.rs:833:13
[INFO] [stdout]   15:     0x59d52d659238 - std[29689e6404d28ef9]::panicking::panic_handler::{closure#0}
[INFO] [stdout]                                at /rustc/ec6f9a5b4413f74386267ef8efc93712c2ce6db6/library/std/src/panicking.rs:698:13
[INFO] [stdout]   16:     0x59d52d64e449 - std[29689e6404d28ef9]::sys::backtrace::__rust_end_short_backtrace::<std[29689e6404d28ef9]::panicking::panic_handler::{closure#0}, !>
[INFO] [stdout]                                at /rustc/ec6f9a5b4413f74386267ef8efc93712c2ce6db6/library/std/src/sys/backtrace.rs:182:18
[INFO] [stdout]   17:     0x59d52d659f4d - __rustc[3aed6af316653e63]::rust_begin_unwind
[INFO] [stdout]                                at /rustc/ec6f9a5b4413f74386267ef8efc93712c2ce6db6/library/std/src/panicking.rs:689:5
[INFO] [stdout]   18:     0x59d52d69104c - core[e929cb53b82a81ca]::panicking::panic_fmt
[INFO] [stdout]                                at /rustc/ec6f9a5b4413f74386267ef8efc93712c2ce6db6/library/core/src/panicking.rs:80:14
[INFO] [stdout]   19:     0x59d52d57f548 - core[e929cb53b82a81ca]::panicking::panic_display::<assert_cmd[d64b18a9d5ba9d61]::assert::AssertError>
[INFO] [stdout]                                at /rustc/ec6f9a5b4413f74386267ef8efc93712c2ce6db6/library/core/src/panicking.rs:259:5
[INFO] [stdout]   20:     0x59d52d584b87 - <assert_cmd[d64b18a9d5ba9d61]::assert::AssertError>::panic::<assert_cmd[d64b18a9d5ba9d61]::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:     0x59d52d58ad07 - <<assert_cmd[d64b18a9d5ba9d61]::assert::AssertError>::panic<assert_cmd[d64b18a9d5ba9d61]::assert::Assert> as core[e929cb53b82a81ca]::ops::function::FnOnce<(assert_cmd[d64b18a9d5ba9d61]::assert::AssertError,)>>::call_once
[INFO] [stdout]                                at /rustc/ec6f9a5b4413f74386267ef8efc93712c2ce6db6/library/core/src/ops/function.rs:250:5
[INFO] [stdout]   22:     0x59d52d584343 - <core[e929cb53b82a81ca]::result::Result<assert_cmd[d64b18a9d5ba9d61]::assert::Assert, assert_cmd[d64b18a9d5ba9d61]::assert::AssertError>>::unwrap_or_else::<<assert_cmd[d64b18a9d5ba9d61]::assert::AssertError>::panic<assert_cmd[d64b18a9d5ba9d61]::assert::Assert>>
[INFO] [stdout]                                at /rustc/ec6f9a5b4413f74386267ef8efc93712c2ce6db6/library/core/src/result.rs:1622:23
[INFO] [stdout]   23:     0x59d52d587a80 - <assert_cmd[d64b18a9d5ba9d61]::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:     0x59d52d57b181 - cli[1be8d24206b8a38a]::run_read_file
[INFO] [stdout]                                at /opt/rustwide/workdir/tests/cli.rs:63:10
[INFO] [stdout]   25:     0x59d52d57b5fe - cli[1be8d24206b8a38a]::read_lines
[INFO] [stdout]                                at /opt/rustwide/workdir/tests/cli.rs:86:5
[INFO] [stdout]   26:     0x59d52d57ac27 - cli[1be8d24206b8a38a]::read_lines::{closure#0}
[INFO] [stdout]                                at /opt/rustwide/workdir/tests/cli.rs:85:16
[INFO] [stdout]   27:     0x59d52d57d596 - <cli[1be8d24206b8a38a]::read_lines::{closure#0} as core[e929cb53b82a81ca]::ops::function::FnOnce<()>>::call_once
[INFO] [stdout]                                at /rustc/ec6f9a5b4413f74386267ef8efc93712c2ce6db6/library/core/src/ops/function.rs:250:5
[INFO] [stdout]   28:     0x59d52d5ca7eb - <fn() -> core[e929cb53b82a81ca]::result::Result<(), alloc[9d7caffeb3b5d2c6]::string::String> as core[e929cb53b82a81ca]::ops::function::FnOnce<()>>::call_once
[INFO] [stdout]                                at /rustc/ec6f9a5b4413f74386267ef8efc93712c2ce6db6/library/core/src/ops/function.rs:250:5
[INFO] [stdout]   29:     0x59d52d5ca7eb - test[a24b3028667022f7]::__rust_begin_short_backtrace::<core[e929cb53b82a81ca]::result::Result<(), alloc[9d7caffeb3b5d2c6]::string::String>, fn() -> core[e929cb53b82a81ca]::result::Result<(), alloc[9d7caffeb3b5d2c6]::string::String>>
[INFO] [stdout]                                at /rustc/ec6f9a5b4413f74386267ef8efc93712c2ce6db6/library/test/src/lib.rs:724:18
[INFO] [stdout]   30:     0x59d52d5d7fdb - test[a24b3028667022f7]::run_test_in_process::{closure#0}
[INFO] [stdout]                                at /rustc/ec6f9a5b4413f74386267ef8efc93712c2ce6db6/library/test/src/lib.rs:747:74
[INFO] [stdout]   31:     0x59d52d5d7fdb - <core[e929cb53b82a81ca]::panic::unwind_safe::AssertUnwindSafe<test[a24b3028667022f7]::run_test_in_process::{closure#0}> as core[e929cb53b82a81ca]::ops::function::FnOnce<()>>::call_once
[INFO] [stdout]                                at /rustc/ec6f9a5b4413f74386267ef8efc93712c2ce6db6/library/core/src/panic/unwind_safe.rs:275:9
[INFO] [stdout]   32:     0x59d52d5d7fdb - std[29689e6404d28ef9]::panicking::catch_unwind::do_call::<core[e929cb53b82a81ca]::panic::unwind_safe::AssertUnwindSafe<test[a24b3028667022f7]::run_test_in_process::{closure#0}>, core[e929cb53b82a81ca]::result::Result<(), alloc[9d7caffeb3b5d2c6]::string::String>>
[INFO] [stdout]                                at /rustc/ec6f9a5b4413f74386267ef8efc93712c2ce6db6/library/std/src/panicking.rs:581:40
[INFO] [stdout]   33:     0x59d52d5d7fdb - std[29689e6404d28ef9]::panicking::catch_unwind::<core[e929cb53b82a81ca]::result::Result<(), alloc[9d7caffeb3b5d2c6]::string::String>, core[e929cb53b82a81ca]::panic::unwind_safe::AssertUnwindSafe<test[a24b3028667022f7]::run_test_in_process::{closure#0}>>
[INFO] [stdout]                                at /rustc/ec6f9a5b4413f74386267ef8efc93712c2ce6db6/library/std/src/panicking.rs:544:19
[INFO] [stdout]   34:     0x59d52d5d7fdb - std[29689e6404d28ef9]::panic::catch_unwind::<core[e929cb53b82a81ca]::panic::unwind_safe::AssertUnwindSafe<test[a24b3028667022f7]::run_test_in_process::{closure#0}>, core[e929cb53b82a81ca]::result::Result<(), alloc[9d7caffeb3b5d2c6]::string::String>>
[INFO] [stdout]                                at /rustc/ec6f9a5b4413f74386267ef8efc93712c2ce6db6/library/std/src/panic.rs:359:14
[INFO] [stdout]   35:     0x59d52d5d7fdb - test[a24b3028667022f7]::run_test_in_process
[INFO] [stdout]                                at /rustc/ec6f9a5b4413f74386267ef8efc93712c2ce6db6/library/test/src/lib.rs:747:27
[INFO] [stdout]   36:     0x59d52d5d7fdb - test[a24b3028667022f7]::run_test::{closure#0}
[INFO] [stdout]                                at /rustc/ec6f9a5b4413f74386267ef8efc93712c2ce6db6/library/test/src/lib.rs:668:43
[INFO] [stdout]   37:     0x59d52d5d16f4 - test[a24b3028667022f7]::run_test::{closure#1}
[INFO] [stdout]                                at /rustc/ec6f9a5b4413f74386267ef8efc93712c2ce6db6/library/test/src/lib.rs:698:41
[INFO] [stdout]   38:     0x59d52d5d16f4 - std[29689e6404d28ef9]::sys::backtrace::__rust_begin_short_backtrace::<test[a24b3028667022f7]::run_test::{closure#1}, ()>
[INFO] [stdout]                                at /rustc/ec6f9a5b4413f74386267ef8efc93712c2ce6db6/library/std/src/sys/backtrace.rs:166:18
[INFO] [stdout]   39:     0x59d52d5dabe2 - std[29689e6404d28ef9]::thread::lifecycle::spawn_unchecked::<test[a24b3028667022f7]::run_test::{closure#1}, ()>::{closure#1}::{closure#0}
[INFO] [stdout]                                at /rustc/ec6f9a5b4413f74386267ef8efc93712c2ce6db6/library/std/src/thread/lifecycle.rs:70:13
[INFO] [stdout]   40:     0x59d52d5dabe2 - <core[e929cb53b82a81ca]::panic::unwind_safe::AssertUnwindSafe<std[29689e6404d28ef9]::thread::lifecycle::spawn_unchecked<test[a24b3028667022f7]::run_test::{closure#1}, ()>::{closure#1}::{closure#0}> as core[e929cb53b82a81ca]::ops::function::FnOnce<()>>::call_once
[INFO] [stdout]                                at /rustc/ec6f9a5b4413f74386267ef8efc93712c2ce6db6/library/core/src/panic/unwind_safe.rs:275:9
[INFO] [stdout]   41:     0x59d52d5dabe2 - std[29689e6404d28ef9]::panicking::catch_unwind::do_call::<core[e929cb53b82a81ca]::panic::unwind_safe::AssertUnwindSafe<std[29689e6404d28ef9]::thread::lifecycle::spawn_unchecked<test[a24b3028667022f7]::run_test::{closure#1}, ()>::{closure#1}::{closure#0}>, ()>
[INFO] [stdout]                                at /rustc/ec6f9a5b4413f74386267ef8efc93712c2ce6db6/library/std/src/panicking.rs:581:40
[INFO] [stdout]   42:     0x59d52d5dabe2 - std[29689e6404d28ef9]::panicking::catch_unwind::<(), core[e929cb53b82a81ca]::panic::unwind_safe::AssertUnwindSafe<std[29689e6404d28ef9]::thread::lifecycle::spawn_unchecked<test[a24b3028667022f7]::run_test::{closure#1}, ()>::{closure#1}::{closure#0}>>
[INFO] [stdout]                                at /rustc/ec6f9a5b4413f74386267ef8efc93712c2ce6db6/library/std/src/panicking.rs:544:19
[INFO] [stdout]   43:     0x59d52d5dabe2 - std[29689e6404d28ef9]::panic::catch_unwind::<core[e929cb53b82a81ca]::panic::unwind_safe::AssertUnwindSafe<std[29689e6404d28ef9]::thread::lifecycle::spawn_unchecked<test[a24b3028667022f7]::run_test::{closure#1}, ()>::{closure#1}::{closure#0}>, ()>
[INFO] [stdout]                                at /rustc/ec6f9a5b4413f74386267ef8efc93712c2ce6db6/library/std/src/panic.rs:359:14
[INFO] [stdout]   44:     0x59d52d5dabe2 - std[29689e6404d28ef9]::thread::lifecycle::spawn_unchecked::<test[a24b3028667022f7]::run_test::{closure#1}, ()>::{closure#1}
[INFO] [stdout]                                at /rustc/ec6f9a5b4413f74386267ef8efc93712c2ce6db6/library/std/src/thread/lifecycle.rs:68:26
[INFO] [stdout]   45:     0x59d52d5dabe2 - <std[29689e6404d28ef9]::thread::lifecycle::spawn_unchecked<test[a24b3028667022f7]::run_test::{closure#1}, ()>::{closure#1} as core[e929cb53b82a81ca]::ops::function::FnOnce<()>>::call_once::{shim:vtable#0}
[INFO] [stdout]                                at /rustc/ec6f9a5b4413f74386267ef8efc93712c2ce6db6/library/core/src/ops/function.rs:250:5
[INFO] [stdout]   46:     0x59d52d67a2af - <alloc[9d7caffeb3b5d2c6]::boxed::Box<dyn core[e929cb53b82a81ca]::ops::function::FnOnce<(), Output = ()> + core[e929cb53b82a81ca]::marker::Send> as core[e929cb53b82a81ca]::ops::function::FnOnce<()>>::call_once
[INFO] [stdout]                                at /rustc/ec6f9a5b4413f74386267ef8efc93712c2ce6db6/library/alloc/src/boxed.rs:2271:9
[INFO] [stdout]   47:     0x59d52d67a2af - <std[29689e6404d28ef9]::sys::thread::unix::Thread>::new::thread_start
[INFO] [stdout]                                at /rustc/ec6f9a5b4413f74386267ef8efc93712c2ce6db6/library/std/src/sys/thread/unix.rs:118:17
[INFO] [stdout]   48:     0x72f67e30faa4 - <unknown>
[INFO] [stdout]   49:     0x72f67e39ca64 - clone
[INFO] [stdout]   50:                0x0 - <unknown>
[INFO] [stdout] 
[INFO] [stdout] ---- read_lines_from_files stdout ----
[INFO] [stdout] 
[INFO] [stdout] thread 'read_lines_from_files' (27) panicked at /rustc/ec6f9a5b4413f74386267ef8efc93712c2ce6db6/library/core/src/ops/function.rs:250:5:
[INFO] [stdout] Unexpected failure.
[INFO] [stdout] code-101
[INFO] [stdout] stderr=```"\nthread \'main\' (51) panicked at src/lib.rs:88:10:\nMust use `_os` lookups with `Arg::allow_invalid_utf8` at `lines`\nstack backtrace:\n   0:     0x61b9cfe427fa - std[29689e6404d28ef9]::backtrace_rs::backtrace::libunwind::trace\n                               at /rustc/ec6f9a5b4413f74386267ef8efc93712c2ce6db6/library/std/src/../../backtrace/src/backtrace/libunwind.rs:117:9\n   1:     0x61b9cfe427fa - std[29689e6404d28ef9]::backtrace_rs::backtrace::trace_unsynchronized::<std[29689e6404d28ef9]::sys::backtrace::_print_fmt::{closure#1}>\n                               at /rustc/ec6f9a5b4413f74386267ef8efc93712c2ce6db6/library/std/src/../../backtrace/src/backtrace/mod.rs:66:14\n   2:     0x61b9cfe427fa - std[29689e6404d28ef9]::sys::backtrace::_print_fmt\n                               at /rustc/ec6f9a5b4413f74386267ef8efc93712c2ce6db6/library/std/src/sys/backtrace.rs:74:9\n   3:     0x61b9cfe427fa - <<std[29689e6404d28ef9]::sys::backtrace::BacktraceLock>::print::DisplayBacktrace as core[e929cb53b82a81ca]::fmt::Display>::fmt\n                               at /rustc/ec6f9a5b4413f74386267ef8efc93712c2ce6db6/library/std/src/sys/backtrace.rs:44:26\n   4:     0x61b9cfe5617a - <core[e929cb53b82a81ca]::fmt::rt::Argument>::fmt\n                               at /rustc/ec6f9a5b4413f74386267ef8efc93712c2ce6db6/library/core/src/fmt/rt.rs:152:76\n   5:     0x61b9cfe5617a - core[e929cb53b82a81ca]::fmt::write\n   6:     0x61b9cfe47f22 - std[29689e6404d28ef9]::io::default_write_fmt::<std[29689e6404d28ef9]::sys::stdio::unix::Stderr>\n                               at /rustc/ec6f9a5b4413f74386267ef8efc93712c2ce6db6/library/std/src/io/mod.rs:621:11\n   7:     0x61b9cfe47f22 - <std[29689e6404d28ef9]::sys::stdio::unix::Stderr as std[29689e6404d28ef9]::io::Write>::write_fmt\n                               at /rustc/ec6f9a5b4413f74386267ef8efc93712c2ce6db6/library/std/src/io/mod.rs:1976:13\n   8:     0x61b9cfe2d27f - <std[29689e6404d28ef9]::sys::backtrace::BacktraceLock>::print\n                               at /rustc/ec6f9a5b4413f74386267ef8efc93712c2ce6db6/library/std/src/sys/backtrace.rs:47:9\n   9:     0x61b9cfe2d27f - std[29689e6404d28ef9]::panicking::default_hook::{closure#0}\n                               at /rustc/ec6f9a5b4413f74386267ef8efc93712c2ce6db6/library/std/src/panicking.rs:292:27\n  10:     0x61b9cfe3e2c1 - std[29689e6404d28ef9]::panicking::default_hook\n                               at /rustc/ec6f9a5b4413f74386267ef8efc93712c2ce6db6/library/std/src/panicking.rs:319:9\n  11:     0x61b9cfe3e47b - std[29689e6404d28ef9]::panicking::panic_with_hook\n                               at /rustc/ec6f9a5b4413f74386267ef8efc93712c2ce6db6/library/std/src/panicking.rs:825:13\n  12:     0x61b9cfe2d338 - std[29689e6404d28ef9]::panicking::panic_handler::{closure#0}\n                               at /rustc/ec6f9a5b4413f74386267ef8efc93712c2ce6db6/library/std/src/panicking.rs:698:13\n  13:     0x61b9cfe22529 - std[29689e6404d28ef9]::sys::backtrace::__rust_end_short_backtrace::<std[29689e6404d28ef9]::panicking::panic_handler::{closure#0}, !>\n                               at /rustc/ec6f9a5b4413f74386267ef8efc93712c2ce6db6/library/std/src/sys/backtrace.rs:182:18\n  14:     0x61b9cfe2dd1d - __rustc[3aed6af316653e63]::rust_begin_unwind\n                               at /rustc/ec6f9a5b4413f74386267ef8efc93712c2ce6db6/library/std/src/panicking.rs:689:5\n  15:     0x61b9cfe5690c - core[e929cb53b82a81ca]::panicking::panic_fmt\n                               at /rustc/ec6f9a5b4413f74386267ef8efc93712c2ce6db6/library/core/src/panicking.rs:80:14\n  16:     0x61b9cfcf25de - clap[b04f63960fc043e6]::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:     0x61b9cfced01b - <clap[b04f63960fc043e6]::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:     0x61b9cfcf0485 - headr[5d3360d6b55101be]::get_args\n                               at /opt/rustwide/workdir/src/lib.rs:88:10\n  19:     0x61b9cfceca32 - headr[b075a0b1261503b4]::main\n                               at /opt/rustwide/workdir/src/main.rs:2:21\n  20:     0x61b9cfcecb4b - <fn() as core[e929cb53b82a81ca]::ops::function::FnOnce<()>>::call_once\n                               at /rustc/ec6f9a5b4413f74386267ef8efc93712c2ce6db6/library/core/src/ops/function.rs:250:5\n  21:     0x61b9cfcec9be - std[29689e6404d28ef9]::sys::backtrace::__rust_begin_short_backtrace::<fn(), ()>\n                               at /rustc/ec6f9a5b4413f74386267ef8efc93712c2ce6db6/library/std/src/sys/backtrace.rs:166:18\n  22:     0x61b9cfcec9e1 - std[29689e6404d28ef9]::rt::lang_start::<()>::{closure#0}\n                               at /rustc/ec6f9a5b4413f74386267ef8efc93712c2ce6db6/library/std/src/rt.rs:206:18\n  23:     0x61b9cfe3d6d7 - <&dyn core[e929cb53b82a81ca]::ops::function::Fn<(), Output = i32> + core[e929cb53b82a81ca]::panic::unwind_safe::RefUnwindSafe + core[e929cb53b82a81ca]::marker::Sync as core[e929cb53b82a81ca]::ops::function::FnOnce<()>>::call_once\n                               at /rustc/ec6f9a5b4413f74386267ef8efc93712c2ce6db6/library/core/src/ops/function.rs:287:21\n  24:     0x61b9cfe3d6d7 - std[29689e6404d28ef9]::panicking::catch_unwind::do_call::<&dyn core[e929cb53b82a81ca]::ops::function::Fn<(), Output = i32> + core[e929cb53b82a81ca]::panic::unwind_safe::RefUnwindSafe + core[e929cb53b82a81ca]::marker::Sync, i32>\n                               at /rustc/ec6f9a5b4413f74386267ef8efc93712c2ce6db6/library/std/src/panicking.rs:581:40\n  25:     0x61b9cfe3d6d7 - std[29689e6404d28ef9]::panicking::catch_unwind::<i32, &dyn core[e929cb53b82a81ca]::ops::function::Fn<(), Output = i32> + core[e929cb53b82a81ca]::panic::unwind_safe::RefUnwindSafe + core[e929cb53b82a81ca]::marker::Sync>\n                               at /rustc/ec6f9a5b4413f74386267ef8efc93712c2ce6db6/library/std/src/panicking.rs:544:19\n  26:     0x61b9cfe3d6d7 - std[29689e6404d28ef9]::panic::catch_unwind::<&dyn core[e929cb53b82a81ca]::ops::function::Fn<(), Output = i32> + core[e929cb53b82a81ca]::panic::unwind_safe::RefUnwindSafe + core[e929cb53b82a81ca]::marker::Sync, i32>\n                               at /rustc/ec6f9a5b4413f74386267ef8efc93712c2ce6db6/library/std/src/panic.rs:359:14\n  27:     0x61b9cfe3d6d7 - std[29689e6404d28ef9]::rt::lang_start_internal::{closure#0}\n                               at /rustc/ec6f9a5b4413f74386267ef8efc93712c2ce6db6/library/std/src/rt.rs:175:24\n  28:     0x61b9cfe3d6d7 - std[29689e6404d28ef9]::panicking::catch_unwind::do_call::<std[29689e6404d28ef9]::rt::lang_start_internal::{closure#0}, isize>\n                               at /rustc/ec6f9a5b4413f74386267ef8efc93712c2ce6db6/library/std/src/panicking.rs:581:40\n  29:     0x61b9cfe3d6d7 - std[29689e6404d28ef9]::panicking::catch_unwind::<isize, std[29689e6404d28ef9]::rt::lang_start_internal::{closure#0}>\n                               at /rustc/ec6f9a5b4413f74386267ef8efc93712c2ce6db6/library/std/src/panicking.rs:544:19\n  30:     0x61b9cfe3d6d7 - std[29689e6404d28ef9]::panic::catch_unwind::<std[29689e6404d28ef9]::rt::lang_start_internal::{closure#0}, isize>\n                               at /rustc/ec6f9a5b4413f74386267ef8efc93712c2ce6db6/library/std/src/panic.rs:359:14\n  31:     0x61b9cfe3d6d7 - std[29689e6404d28ef9]::rt::lang_start_internal\n                               at /rustc/ec6f9a5b4413f74386267ef8efc93712c2ce6db6/library/std/src/rt.rs:171:5\n  32:     0x61b9cfcec9a7 - std[29689e6404d28ef9]::rt::lang_start::<()>\n                               at /rustc/ec6f9a5b4413f74386267ef8efc93712c2ce6db6/library/std/src/rt.rs:205:5\n  33:     0x61b9cfcecbde - main\n  34:     0x7ba8efde71ca - <unknown>\n  35:     0x7ba8efde728b - __libc_start_main\n  36:     0x61b9cfcec805 - _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\' (51) panicked at src/lib.rs:88:10:\nMust use `_os` lookups with `Arg::allow_invalid_utf8` at `lines`\nstack backtrace:\n   0:     0x61b9cfe427fa - std[29689e6404d28ef9]::backtrace_rs::backtrace::libunwind::trace\n                               at /rustc/ec6f9a5b4413f74386267ef8efc93712c2ce6db6/library/std/src/../../backtrace/src/backtrace/libunwind.rs:117:9\n   1:     0x61b9cfe427fa - std[29689e6404d28ef9]::backtrace_rs::backtrace::trace_unsynchronized::<std[29689e6404d28ef9]::sys::backtrace::_print_fmt::{closure#1}>\n                               at /rustc/ec6f9a5b4413f74386267ef8efc93712c2ce6db6/library/std/src/../../backtrace/src/backtrace/mod.rs:66:14\n   2:     0x61b9cfe427fa - std[29689e6404d28ef9]::sys::backtrace::_print_fmt\n                               at /rustc/ec6f9a5b4413f74386267ef8efc93712c2ce6db6/library/std/src/sys/backtrace.rs:74:9\n   3:     0x61b9cfe427fa - <<std[29689e6404d28ef9]::sys::backtrace::BacktraceLock>::print::DisplayBacktrace as core[e929cb53b82a81ca]::fmt::Display>::fmt\n                               at /rustc/ec6f9a5b4413f74386267ef8efc93712c2ce6db6/library/std/src/sys/backtrace.rs:44:26\n   4:     0x61b9cfe5617a - <core[e929cb53b82a81ca]::fmt::rt::Argument>::fmt\n                               at /rustc/ec6f9a5b4413f74386267ef8efc93712c2ce6db6/library/core/src/fmt/rt.rs:152:76\n   5:     0x61b9cfe5617a - core[e929cb53b82a81ca]::fmt::write\n   6:     0x61b9cfe47f22 - std[29689e6404d28ef9]::io::default_write_fmt::<std[29689e6404d28ef9]::sys::stdio::unix::Stderr>\n                               at /rustc/ec6f9a5b4413f74386267ef8efc93712c2ce6db6/library/std/src/io/mod.rs:621:11\n   7:     0x61b9cfe47f22 - <std[29689e6404d28ef9]::sys::stdio::unix::Stderr as std[29689e6404d28ef9]::io::Write>::write_fmt\n                               at /rustc/ec6f9a5b4413f74386267ef8efc93712c2ce6db6/library/std/src/io/mod.rs:1976:13\n   8:     0x61b9cfe2d27f - <std[29689e6404d28ef9]::sys::backtrace::BacktraceLock>::print\n                               at /rustc/ec6f9a5b4413f74386267ef8efc93712c2ce6db6/library/std/src/sys/backtrace.rs:47:9\n   9:     0x61b9cfe2d27f - std[29689e6404d28ef9]::panicking::default_hook::{closure#0}\n                               at /rustc/ec6f9a5b4413f74386267ef8efc93712c2ce6db6/library/std/src/panicking.rs:292:27\n  10:     0x61b9cfe3e2c1 - std[29689e6404d28ef9]::panicking::default_hook\n                               at /rustc/ec6f9a5b4413f74386267ef8efc93712c2ce6db6/library/std/src/panicking.rs:319:9\n  11:     0x61b9cfe3e47b - std[29689e6404d28ef9]::panicking::panic_with_hook\n                               at /rustc/ec6f9a5b4413f74386267ef8efc93712c2ce6db6/library/std/src/panicking.rs:825:13\n  12:     0x61b9cfe2d338 - std[29689e6404d28ef9]::panicking::panic_handler::{closure#0}\n                               at /rustc/ec6f9a5b4413f74386267ef8efc93712c2ce6db6/library/std/src/panicking.rs:698:13\n  13:     0x61b9cfe22529 - std[29689e6404d28ef9]::sys::backtrace::__rust_end_short_backtrace::<std[29689e6404d28ef9]::panicking::panic_handler::{closure#0}, !>\n                               at /rustc/ec6f9a5b4413f74386267ef8efc93712c2ce6db6/library/std/src/sys/backtrace.rs:182:18\n  14:     0x61b9cfe2dd1d - __rustc[3aed6af316653e63]::rust_begin_unwind\n                               at /rustc/ec6f9a5b4413f74386267ef8efc93712c2ce6db6/library/std/src/panicking.rs:689:5\n  15:     0x61b9cfe5690c - core[e929cb53b82a81ca]::panicking::panic_fmt\n                               at /rustc/ec6f9a5b4413f74386267ef8efc93712c2ce6db6/library/core/src/panicking.rs:80:14\n  16:     0x61b9cfcf25de - clap[b04f63960fc043e6]::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:     0x61b9cfced01b - <clap[b04f63960fc043e6]::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:     0x61b9cfcf0485 - headr[5d3360d6b55101be]::get_args\n                               at /opt/rustwide/workdir/src/lib.rs:88:10\n  19:     0x61b9cfceca32 - headr[b075a0b1261503b4]::main\n                               at /opt/rustwide/workdir/src/main.rs:2:21\n  20:     0x61b9cfcecb4b - <fn() as core[e929cb53b82a81ca]::ops::function::FnOnce<()>>::call_once\n                               at /rustc/ec6f9a5b4413f74386267ef8efc93712c2ce6db6/library/core/src/ops/function.rs:250:5\n  21:     0x61b9cfcec9be - std[29689e6404d28ef9]::sys::backtrace::__rust_begin_short_backtrace::<fn(), ()>\n                               at /rustc/ec6f9a5b4413f74386267ef8efc93712c2ce6db6/library/std/src/sys/backtrace.rs:166:18\n  22:     0x61b9cfcec9e1 - std[29689e6404d28ef9]::rt::lang_start::<()>::{closure#0}\n                               at /rustc/ec6f9a5b4413f74386267ef8efc93712c2ce6db6/library/std/src/rt.rs:206:18\n  23:     0x61b9cfe3d6d7 - <&dyn core[e929cb53b82a81ca]::ops::function::Fn<(), Output = i32> + core[e929cb53b82a81ca]::panic::unwind_safe::RefUnwindSafe + core[e929cb53b82a81ca]::marker::Sync as core[e929cb53b82a81ca]::ops::function::FnOnce<()>>::call_once\n                               at /rustc/ec6f9a5b4413f74386267ef8efc93712c2ce6db6/library/core/src/ops/function.rs:287:21\n  24:     0x61b9cfe3d6d7 - std[29689e6404d28ef9]::panicking::catch_unwind::do_call::<&dyn core[e929cb53b82a81ca]::ops::function::Fn<(), Output = i32> + core[e929cb53b82a81ca]::panic::unwind_safe::RefUnwindSafe + core[e929cb53b82a81ca]::marker::Sync, i32>\n                               at /rustc/ec6f9a5b4413f74386267ef8efc93712c2ce6db6/library/std/src/panicking.rs:581:40\n  25:     0x61b9cfe3d6d7 - std[29689e6404d28ef9]::panicking::catch_unwind::<i32, &dyn core[e929cb53b82a81ca]::ops::function::Fn<(), Output = i32> + core[e929cb53b82a81ca]::panic::unwind_safe::RefUnwindSafe + core[e929cb53b82a81ca]::marker::Sync>\n                               at /rustc/ec6f9a5b4413f74386267ef8efc93712c2ce6db6/library/std/src/panicking.rs:544:19\n  26:     0x61b9cfe3d6d7 - std[29689e6404d28ef9]::panic::catch_unwind::<&dyn core[e929cb53b82a81ca]::ops::function::Fn<(), Output = i32> + core[e929cb53b82a81ca]::panic::unwind_safe::RefUnwindSafe + core[e929cb53b82a81ca]::marker::Sync, i32>\n                               at /rustc/ec6f9a5b4413f74386267ef8efc93712c2ce6db6/library/std/src/panic.rs:359:14\n  27:     0x61b9cfe3d6d7 - std[29689e6404d28ef9]::rt::lang_start_internal::{closure#0}\n                               at /rustc/ec6f9a5b4413f74386267ef8efc93712c2ce6db6/library/std/src/rt.rs:175:24\n  28:     0x61b9cfe3d6d7 - std[29689e6404d28ef9]::panicking::catch_unwind::do_call::<std[29689e6404d28ef9]::rt::lang_start_internal::{closure#0}, isize>\n                               at /rustc/ec6f9a5b4413f74386267ef8efc93712c2ce6db6/library/std/src/panicking.rs:581:40\n  29:     0x61b9cfe3d6d7 - std[29689e6404d28ef9]::panicking::catch_unwind::<isize, std[29689e6404d28ef9]::rt::lang_start_internal::{closure#0}>\n                               at /rustc/ec6f9a5b4413f74386267ef8efc93712c2ce6db6/library/std/src/panicking.rs:544:19\n  30:     0x61b9cfe3d6d7 - std[29689e6404d28ef9]::panic::catch_unwind::<std[29689e6404d28ef9]::rt::lang_start_internal::{closure#0}, isize>\n                               at /rustc/ec6f9a5b4413f74386267ef8efc93712c2ce6db6/library/std/src/panic.rs:359:14\n  31:     0x61b9cfe3d6d7 - std[29689e6404d28ef9]::rt::lang_start_internal\n                               at /rustc/ec6f9a5b4413f74386267ef8efc93712c2ce6db6/library/std/src/rt.rs:171:5\n  32:     0x61b9cfcec9a7 - std[29689e6404d28ef9]::rt::lang_start::<()>\n                               at /rustc/ec6f9a5b4413f74386267ef8efc93712c2ce6db6/library/std/src/rt.rs:205:5\n  33:     0x61b9cfcecbde - main\n  34:     0x7ba8efde71ca - <unknown>\n  35:     0x7ba8efde728b - __libc_start_main\n  36:     0x61b9cfcec805 - _start\n  37:                0x0 - <unknown>\n"
[INFO] [stdout] 
[INFO] [stdout] stack backtrace:
[INFO] [stdout]    0:     0x59d52d67aa1a - std[29689e6404d28ef9]::backtrace_rs::backtrace::libunwind::trace
[INFO] [stderr] error: test failed, to rerun pass `--test cli`
[INFO] [stdout]                                at /rustc/ec6f9a5b4413f74386267ef8efc93712c2ce6db6/library/std/src/../../backtrace/src/backtrace/libunwind.rs:117:9
[INFO] [stdout]    1:     0x59d52d67aa1a - std[29689e6404d28ef9]::backtrace_rs::backtrace::trace_unsynchronized::<std[29689e6404d28ef9]::sys::backtrace::_print_fmt::{closure#1}>
[INFO] [stdout]                                at /rustc/ec6f9a5b4413f74386267ef8efc93712c2ce6db6/library/std/src/../../backtrace/src/backtrace/mod.rs:66:14
[INFO] [stdout]    2:     0x59d52d67aa1a - std[29689e6404d28ef9]::sys::backtrace::_print_fmt
[INFO] [stdout]                                at /rustc/ec6f9a5b4413f74386267ef8efc93712c2ce6db6/library/std/src/sys/backtrace.rs:74:9
[INFO] [stdout]    3:     0x59d52d67aa1a - <<std[29689e6404d28ef9]::sys::backtrace::BacktraceLock>::print::DisplayBacktrace as core[e929cb53b82a81ca]::fmt::Display>::fmt
[INFO] [stdout]                                at /rustc/ec6f9a5b4413f74386267ef8efc93712c2ce6db6/library/std/src/sys/backtrace.rs:44:26
[INFO] [stdout]    4:     0x59d52d6908ba - <core[e929cb53b82a81ca]::fmt::rt::Argument>::fmt
[INFO] [stdout]                                at /rustc/ec6f9a5b4413f74386267ef8efc93712c2ce6db6/library/core/src/fmt/rt.rs:152:76
[INFO] [stdout]    5:     0x59d52d6908ba - core[e929cb53b82a81ca]::fmt::write
[INFO] [stdout]    6:     0x59d52d680672 - std[29689e6404d28ef9]::io::default_write_fmt::<alloc[9d7caffeb3b5d2c6]::vec::Vec<u8>>
[INFO] [stdout]                                at /rustc/ec6f9a5b4413f74386267ef8efc93712c2ce6db6/library/std/src/io/mod.rs:621:11
[INFO] [stdout]    7:     0x59d52d680672 - <alloc[9d7caffeb3b5d2c6]::vec::Vec<u8> as std[29689e6404d28ef9]::io::Write>::write_fmt
[INFO] [stdout]                                at /rustc/ec6f9a5b4413f74386267ef8efc93712c2ce6db6/library/std/src/io/mod.rs:1976:13
[INFO] [stdout]    8:     0x59d52d65917f - <std[29689e6404d28ef9]::sys::backtrace::BacktraceLock>::print
[INFO] [stdout]                                at /rustc/ec6f9a5b4413f74386267ef8efc93712c2ce6db6/library/std/src/sys/backtrace.rs:47:9
[INFO] [stdout]    9:     0x59d52d65917f - std[29689e6404d28ef9]::panicking::default_hook::{closure#0}
[INFO] [stdout]                                at /rustc/ec6f9a5b4413f74386267ef8efc93712c2ce6db6/library/std/src/panicking.rs:292:27
[INFO] [stdout]   10:     0x59d52d672df9 - std[29689e6404d28ef9]::panicking::default_hook
[INFO] [stdout]                                at /rustc/ec6f9a5b4413f74386267ef8efc93712c2ce6db6/library/std/src/panicking.rs:316:9
[INFO] [stdout]   11:     0x59d52d5d750c - <alloc[9d7caffeb3b5d2c6]::boxed::Box<dyn for<'a, 'b> core[e929cb53b82a81ca]::ops::function::Fn<(&'a std[29689e6404d28ef9]::panic::PanicHookInfo<'b>,), Output = ()> + core[e929cb53b82a81ca]::marker::Send + core[e929cb53b82a81ca]::marker::Sync> as core[e929cb53b82a81ca]::ops::function::Fn<(&std[29689e6404d28ef9]::panic::PanicHookInfo,)>>::call
[INFO] [stdout]                                at /rustc/ec6f9a5b4413f74386267ef8efc93712c2ce6db6/library/alloc/src/boxed.rs:2285:9
[INFO] [stdout]   12:     0x59d52d5d750c - test[a24b3028667022f7]::test_main_inner::<test[a24b3028667022f7]::test_main_static::{closure#0}>::{closure#0}
[INFO] [stdout]                                at /rustc/ec6f9a5b4413f74386267ef8efc93712c2ce6db6/library/test/src/lib.rs:155:21
[INFO] [stdout]   13:     0x59d52d672fb2 - <alloc[9d7caffeb3b5d2c6]::boxed::Box<dyn for<'a, 'b> core[e929cb53b82a81ca]::ops::function::Fn<(&'a std[29689e6404d28ef9]::panic::PanicHookInfo<'b>,), Output = ()> + core[e929cb53b82a81ca]::marker::Send + core[e929cb53b82a81ca]::marker::Sync> as core[e929cb53b82a81ca]::ops::function::Fn<(&std[29689e6404d28ef9]::panic::PanicHookInfo,)>>::call
[INFO] [stdout]                                at /rustc/ec6f9a5b4413f74386267ef8efc93712c2ce6db6/library/alloc/src/boxed.rs:2285:9
[INFO] [stdout]   14:     0x59d52d672fb2 - std[29689e6404d28ef9]::panicking::panic_with_hook
[INFO] [stdout]                                at /rustc/ec6f9a5b4413f74386267ef8efc93712c2ce6db6/library/std/src/panicking.rs:833:13
[INFO] [stdout]   15:     0x59d52d659238 - std[29689e6404d28ef9]::panicking::panic_handler::{closure#0}
[INFO] [stdout]                                at /rustc/ec6f9a5b4413f74386267ef8efc93712c2ce6db6/library/std/src/panicking.rs:698:13
[INFO] [stdout]   16:     0x59d52d64e449 - std[29689e6404d28ef9]::sys::backtrace::__rust_end_short_backtrace::<std[29689e6404d28ef9]::panicking::panic_handler::{closure#0}, !>
[INFO] [stdout]                                at /rustc/ec6f9a5b4413f74386267ef8efc93712c2ce6db6/library/std/src/sys/backtrace.rs:182:18
[INFO] [stdout]   17:     0x59d52d659f4d - __rustc[3aed6af316653e63]::rust_begin_unwind
[INFO] [stdout]                                at /rustc/ec6f9a5b4413f74386267ef8efc93712c2ce6db6/library/std/src/panicking.rs:689:5
[INFO] [stdout]   18:     0x59d52d69104c - core[e929cb53b82a81ca]::panicking::panic_fmt
[INFO] [stdout]                                at /rustc/ec6f9a5b4413f74386267ef8efc93712c2ce6db6/library/core/src/panicking.rs:80:14
[INFO] [stdout]   19:     0x59d52d57f548 - core[e929cb53b82a81ca]::panicking::panic_display::<assert_cmd[d64b18a9d5ba9d61]::assert::AssertError>
[INFO] [stdout]                                at /rustc/ec6f9a5b4413f74386267ef8efc93712c2ce6db6/library/core/src/panicking.rs:259:5
[INFO] [stdout]   20:     0x59d52d584b87 - <assert_cmd[d64b18a9d5ba9d61]::assert::AssertError>::panic::<assert_cmd[d64b18a9d5ba9d61]::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:     0x59d52d58ad07 - <<assert_cmd[d64b18a9d5ba9d61]::assert::AssertError>::panic<assert_cmd[d64b18a9d5ba9d61]::assert::Assert> as core[e929cb53b82a81ca]::ops::function::FnOnce<(assert_cmd[d64b18a9d5ba9d61]::assert::AssertError,)>>::call_once
[INFO] [stdout]                                at /rustc/ec6f9a5b4413f74386267ef8efc93712c2ce6db6/library/core/src/ops/function.rs:250:5
[INFO] [stdout]   22:     0x59d52d584343 - <core[e929cb53b82a81ca]::result::Result<assert_cmd[d64b18a9d5ba9d61]::assert::Assert, assert_cmd[d64b18a9d5ba9d61]::assert::AssertError>>::unwrap_or_else::<<assert_cmd[d64b18a9d5ba9d61]::assert::AssertError>::panic<assert_cmd[d64b18a9d5ba9d61]::assert::Assert>>
[INFO] [stdout]                                at /rustc/ec6f9a5b4413f74386267ef8efc93712c2ce6db6/library/core/src/result.rs:1622:23
[INFO] [stdout]   23:     0x59d52d587a80 - <assert_cmd[d64b18a9d5ba9d61]::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:     0x59d52d57b181 - cli[1be8d24206b8a38a]::run_read_file
[INFO] [stdout]                                at /opt/rustwide/workdir/tests/cli.rs:63:10
[INFO] [stdout]   25:     0x59d52d57befb - cli[1be8d24206b8a38a]::read_lines_from_files
[INFO] [stdout]                                at /opt/rustwide/workdir/tests/cli.rs:79:5
[INFO] [stdout]   26:     0x59d52d57ad47 - cli[1be8d24206b8a38a]::read_lines_from_files::{closure#0}
[INFO] [stdout]                                at /opt/rustwide/workdir/tests/cli.rs:74:27
[INFO] [stdout]   27:     0x59d52d57d716 - <cli[1be8d24206b8a38a]::read_lines_from_files::{closure#0} as core[e929cb53b82a81ca]::ops::function::FnOnce<()>>::call_once
[INFO] [stdout]                                at /rustc/ec6f9a5b4413f74386267ef8efc93712c2ce6db6/library/core/src/ops/function.rs:250:5
[INFO] [stdout]   28:     0x59d52d5ca7eb - <fn() -> core[e929cb53b82a81ca]::result::Result<(), alloc[9d7caffeb3b5d2c6]::string::String> as core[e929cb53b82a81ca]::ops::function::FnOnce<()>>::call_once
[INFO] [stdout]                                at /rustc/ec6f9a5b4413f74386267ef8efc93712c2ce6db6/library/core/src/ops/function.rs:250:5
[INFO] [stdout]   29:     0x59d52d5ca7eb - test[a24b3028667022f7]::__rust_begin_short_backtrace::<core[e929cb53b82a81ca]::result::Result<(), alloc[9d7caffeb3b5d2c6]::string::String>, fn() -> core[e929cb53b82a81ca]::result::Result<(), alloc[9d7caffeb3b5d2c6]::string::String>>
[INFO] [stdout]                                at /rustc/ec6f9a5b4413f74386267ef8efc93712c2ce6db6/library/test/src/lib.rs:724:18
[INFO] [stdout]   30:     0x59d52d5d7fdb - test[a24b3028667022f7]::run_test_in_process::{closure#0}
[INFO] [stdout]                                at /rustc/ec6f9a5b4413f74386267ef8efc93712c2ce6db6/library/test/src/lib.rs:747:74
[INFO] [stdout]   31:     0x59d52d5d7fdb - <core[e929cb53b82a81ca]::panic::unwind_safe::AssertUnwindSafe<test[a24b3028667022f7]::run_test_in_process::{closure#0}> as core[e929cb53b82a81ca]::ops::function::FnOnce<()>>::call_once
[INFO] [stdout]                                at /rustc/ec6f9a5b4413f74386267ef8efc93712c2ce6db6/library/core/src/panic/unwind_safe.rs:275:9
[INFO] [stdout]   32:     0x59d52d5d7fdb - std[29689e6404d28ef9]::panicking::catch_unwind::do_call::<core[e929cb53b82a81ca]::panic::unwind_safe::AssertUnwindSafe<test[a24b3028667022f7]::run_test_in_process::{closure#0}>, core[e929cb53b82a81ca]::result::Result<(), alloc[9d7caffeb3b5d2c6]::string::String>>
[INFO] [stdout]                                at /rustc/ec6f9a5b4413f74386267ef8efc93712c2ce6db6/library/std/src/panicking.rs:581:40
[INFO] [stdout]   33:     0x59d52d5d7fdb - std[29689e6404d28ef9]::panicking::catch_unwind::<core[e929cb53b82a81ca]::result::Result<(), alloc[9d7caffeb3b5d2c6]::string::String>, core[e929cb53b82a81ca]::panic::unwind_safe::AssertUnwindSafe<test[a24b3028667022f7]::run_test_in_process::{closure#0}>>
[INFO] [stdout]                                at /rustc/ec6f9a5b4413f74386267ef8efc93712c2ce6db6/library/std/src/panicking.rs:544:19
[INFO] [stdout]   34:     0x59d52d5d7fdb - std[29689e6404d28ef9]::panic::catch_unwind::<core[e929cb53b82a81ca]::panic::unwind_safe::AssertUnwindSafe<test[a24b3028667022f7]::run_test_in_process::{closure#0}>, core[e929cb53b82a81ca]::result::Result<(), alloc[9d7caffeb3b5d2c6]::string::String>>
[INFO] [stdout]                                at /rustc/ec6f9a5b4413f74386267ef8efc93712c2ce6db6/library/std/src/panic.rs:359:14
[INFO] [stdout]   35:     0x59d52d5d7fdb - test[a24b3028667022f7]::run_test_in_process
[INFO] [stdout]                                at /rustc/ec6f9a5b4413f74386267ef8efc93712c2ce6db6/library/test/src/lib.rs:747:27
[INFO] [stdout]   36:     0x59d52d5d7fdb - test[a24b3028667022f7]::run_test::{closure#0}
[INFO] [stdout]                                at /rustc/ec6f9a5b4413f74386267ef8efc93712c2ce6db6/library/test/src/lib.rs:668:43
[INFO] [stdout]   37:     0x59d52d5d16f4 - test[a24b3028667022f7]::run_test::{closure#1}
[INFO] [stdout]                                at /rustc/ec6f9a5b4413f74386267ef8efc93712c2ce6db6/library/test/src/lib.rs:698:41
[INFO] [stdout]   38:     0x59d52d5d16f4 - std[29689e6404d28ef9]::sys::backtrace::__rust_begin_short_backtrace::<test[a24b3028667022f7]::run_test::{closure#1}, ()>
[INFO] [stdout]                                at /rustc/ec6f9a5b4413f74386267ef8efc93712c2ce6db6/library/std/src/sys/backtrace.rs:166:18
[INFO] [stdout]   39:     0x59d52d5dabe2 - std[29689e6404d28ef9]::thread::lifecycle::spawn_unchecked::<test[a24b3028667022f7]::run_test::{closure#1}, ()>::{closure#1}::{closure#0}
[INFO] [stdout]                                at /rustc/ec6f9a5b4413f74386267ef8efc93712c2ce6db6/library/std/src/thread/lifecycle.rs:70:13
[INFO] [stdout]   40:     0x59d52d5dabe2 - <core[e929cb53b82a81ca]::panic::unwind_safe::AssertUnwindSafe<std[29689e6404d28ef9]::thread::lifecycle::spawn_unchecked<test[a24b3028667022f7]::run_test::{closure#1}, ()>::{closure#1}::{closure#0}> as core[e929cb53b82a81ca]::ops::function::FnOnce<()>>::call_once
[INFO] [stdout]                                at /rustc/ec6f9a5b4413f74386267ef8efc93712c2ce6db6/library/core/src/panic/unwind_safe.rs:275:9
[INFO] [stdout]   41:     0x59d52d5dabe2 - std[29689e6404d28ef9]::panicking::catch_unwind::do_call::<core[e929cb53b82a81ca]::panic::unwind_safe::AssertUnwindSafe<std[29689e6404d28ef9]::thread::lifecycle::spawn_unchecked<test[a24b3028667022f7]::run_test::{closure#1}, ()>::{closure#1}::{closure#0}>, ()>
[INFO] [stdout]                                at /rustc/ec6f9a5b4413f74386267ef8efc93712c2ce6db6/library/std/src/panicking.rs:581:40
[INFO] [stdout]   42:     0x59d52d5dabe2 - std[29689e6404d28ef9]::panicking::catch_unwind::<(), core[e929cb53b82a81ca]::panic::unwind_safe::AssertUnwindSafe<std[29689e6404d28ef9]::thread::lifecycle::spawn_unchecked<test[a24b3028667022f7]::run_test::{closure#1}, ()>::{closure#1}::{closure#0}>>
[INFO] [stdout]                                at /rustc/ec6f9a5b4413f74386267ef8efc93712c2ce6db6/library/std/src/panicking.rs:544:19
[INFO] [stdout]   43:     0x59d52d5dabe2 - std[29689e6404d28ef9]::panic::catch_unwind::<core[e929cb53b82a81ca]::panic::unwind_safe::AssertUnwindSafe<std[29689e6404d28ef9]::thread::lifecycle::spawn_unchecked<test[a24b3028667022f7]::run_test::{closure#1}, ()>::{closure#1}::{closure#0}>, ()>
[INFO] [stdout]                                at /rustc/ec6f9a5b4413f74386267ef8efc93712c2ce6db6/library/std/src/panic.rs:359:14
[INFO] [stdout]   44:     0x59d52d5dabe2 - std[29689e6404d28ef9]::thread::lifecycle::spawn_unchecked::<test[a24b3028667022f7]::run_test::{closure#1}, ()>::{closure#1}
[INFO] [stdout]                                at /rustc/ec6f9a5b4413f74386267ef8efc93712c2ce6db6/library/std/src/thread/lifecycle.rs:68:26
[INFO] [stdout]   45:     0x59d52d5dabe2 - <std[29689e6404d28ef9]::thread::lifecycle::spawn_unchecked<test[a24b3028667022f7]::run_test::{closure#1}, ()>::{closure#1} as core[e929cb53b82a81ca]::ops::function::FnOnce<()>>::call_once::{shim:vtable#0}
[INFO] [stdout]                                at /rustc/ec6f9a5b4413f74386267ef8efc93712c2ce6db6/library/core/src/ops/function.rs:250:5
[INFO] [stdout]   46:     0x59d52d67a2af - <alloc[9d7caffeb3b5d2c6]::boxed::Box<dyn core[e929cb53b82a81ca]::ops::function::FnOnce<(), Output = ()> + core[e929cb53b82a81ca]::marker::Send> as core[e929cb53b82a81ca]::ops::function::FnOnce<()>>::call_once
[INFO] [stdout]                                at /rustc/ec6f9a5b4413f74386267ef8efc93712c2ce6db6/library/alloc/src/boxed.rs:2271:9
[INFO] [stdout]   47:     0x59d52d67a2af - <std[29689e6404d28ef9]::sys::thread::unix::Thread>::new::thread_start
[INFO] [stdout]                                at /rustc/ec6f9a5b4413f74386267ef8efc93712c2ce6db6/library/std/src/sys/thread/unix.rs:118:17
[INFO] [stdout]   48:     0x72f67e30faa4 - <unknown>
[INFO] [stdout]   49:     0x72f67e39ca64 - clone
[INFO] [stdout]   50:                0x0 - <unknown>
[INFO] [stdout] 
[INFO] [stdout] ---- test_bytes stdout ----
[INFO] [stdout] 
[INFO] [stdout] thread 'test_bytes' (30) panicked at /rustc/ec6f9a5b4413f74386267ef8efc93712c2ce6db6/library/core/src/ops/function.rs:250:5:
[INFO] [stdout] Unexpected failure.
[INFO] [stdout] code-101
[INFO] [stdout] stderr=```"\nthread \'main\' (33) panicked at src/lib.rs:95:10:\nMust use `_os` lookups with `Arg::allow_invalid_utf8` at `bytes`\nstack backtrace:\n   0:     0x5ed9d6c727fa - std[29689e6404d28ef9]::backtrace_rs::backtrace::libunwind::trace\n                               at /rustc/ec6f9a5b4413f74386267ef8efc93712c2ce6db6/library/std/src/../../backtrace/src/backtrace/libunwind.rs:117:9\n   1:     0x5ed9d6c727fa - std[29689e6404d28ef9]::backtrace_rs::backtrace::trace_unsynchronized::<std[29689e6404d28ef9]::sys::backtrace::_print_fmt::{closure#1}>\n                               at /rustc/ec6f9a5b4413f74386267ef8efc93712c2ce6db6/library/std/src/../../backtrace/src/backtrace/mod.rs:66:14\n   2:     0x5ed9d6c727fa - std[29689e6404d28ef9]::sys::backtrace::_print_fmt\n                               at /rustc/ec6f9a5b4413f74386267ef8efc93712c2ce6db6/library/std/src/sys/backtrace.rs:74:9\n   3:     0x5ed9d6c727fa - <<std[29689e6404d28ef9]::sys::backtrace::BacktraceLock>::print::DisplayBacktrace as core[e929cb53b82a81ca]::fmt::Display>::fmt\n                               at /rustc/ec6f9a5b4413f74386267ef8efc93712c2ce6db6/library/std/src/sys/backtrace.rs:44:26\n   4:     0x5ed9d6c8617a - <core[e929cb53b82a81ca]::fmt::rt::Argument>::fmt\n                               at /rustc/ec6f9a5b4413f74386267ef8efc93712c2ce6db6/library/core/src/fmt/rt.rs:152:76\n   5:     0x5ed9d6c8617a - core[e929cb53b82a81ca]::fmt::write\n   6:     0x5ed9d6c77f22 - std[29689e6404d28ef9]::io::default_write_fmt::<std[29689e6404d28ef9]::sys::stdio::unix::Stderr>\n                               at /rustc/ec6f9a5b4413f74386267ef8efc93712c2ce6db6/library/std/src/io/mod.rs:621:11\n   7:     0x5ed9d6c77f22 - <std[29689e6404d28ef9]::sys::stdio::unix::Stderr as std[29689e6404d28ef9]::io::Write>::write_fmt\n                               at /rustc/ec6f9a5b4413f74386267ef8efc93712c2ce6db6/library/std/src/io/mod.rs:1976:13\n   8:     0x5ed9d6c5d27f - <std[29689e6404d28ef9]::sys::backtrace::BacktraceLock>::print\n                               at /rustc/ec6f9a5b4413f74386267ef8efc93712c2ce6db6/library/std/src/sys/backtrace.rs:47:9\n   9:     0x5ed9d6c5d27f - std[29689e6404d28ef9]::panicking::default_hook::{closure#0}\n                               at /rustc/ec6f9a5b4413f74386267ef8efc93712c2ce6db6/library/std/src/panicking.rs:292:27\n  10:     0x5ed9d6c6e2c1 - std[29689e6404d28ef9]::panicking::default_hook\n                               at /rustc/ec6f9a5b4413f74386267ef8efc93712c2ce6db6/library/std/src/panicking.rs:319:9\n  11:     0x5ed9d6c6e47b - std[29689e6404d28ef9]::panicking::panic_with_hook\n                               at /rustc/ec6f9a5b4413f74386267ef8efc93712c2ce6db6/library/std/src/panicking.rs:825:13\n  12:     0x5ed9d6c5d338 - std[29689e6404d28ef9]::panicking::panic_handler::{closure#0}\n                               at /rustc/ec6f9a5b4413f74386267ef8efc93712c2ce6db6/library/std/src/panicking.rs:698:13\n  13:     0x5ed9d6c52529 - std[29689e6404d28ef9]::sys::backtrace::__rust_end_short_backtrace::<std[29689e6404d28ef9]::panicking::panic_handler::{closure#0}, !>\n                               at /rustc/ec6f9a5b4413f74386267ef8efc93712c2ce6db6/library/std/src/sys/backtrace.rs:182:18\n  14:     0x5ed9d6c5dd1d - __rustc[3aed6af316653e63]::rust_begin_unwind\n                               at /rustc/ec6f9a5b4413f74386267ef8efc93712c2ce6db6/library/std/src/panicking.rs:689:5\n  15:     0x5ed9d6c8690c - core[e929cb53b82a81ca]::panicking::panic_fmt\n                               at /rustc/ec6f9a5b4413f74386267ef8efc93712c2ce6db6/library/core/src/panicking.rs:80:14\n  16:     0x5ed9d6b225de - clap[b04f63960fc043e6]::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:     0x5ed9d6b1d01b - <clap[b04f63960fc043e6]::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:     0x5ed9d6b206a6 - headr[5d3360d6b55101be]::get_args\n                               at /opt/rustwide/workdir/src/lib.rs:95:10\n  19:     0x5ed9d6b1ca32 - headr[b075a0b1261503b4]::main\n                               at /opt/rustwide/workdir/src/main.rs:2:21\n  20:     0x5ed9d6b1cb4b - <fn() as core[e929cb53b82a81ca]::ops::function::FnOnce<()>>::call_once\n                               at /rustc/ec6f9a5b4413f74386267ef8efc93712c2ce6db6/library/core/src/ops/function.rs:250:5\n  21:     0x5ed9d6b1c9be - std[29689e6404d28ef9]::sys::backtrace::__rust_begin_short_backtrace::<fn(), ()>\n                               at /rustc/ec6f9a5b4413f74386267ef8efc93712c2ce6db6/library/std/src/sys/backtrace.rs:166:18\n  22:     0x5ed9d6b1c9e1 - std[29689e6404d28ef9]::rt::lang_start::<()>::{closure#0}\n                               at /rustc/ec6f9a5b4413f74386267ef8efc93712c2ce6db6/library/std/src/rt.rs:206:18\n  23:     0x5ed9d6c6d6d7 - <&dyn core[e929cb53b82a81ca]::ops::function::Fn<(), Output = i32> + core[e929cb53b82a81ca]::panic::unwind_safe::RefUnwindSafe + core[e929cb53b82a81ca]::marker::Sync as core[e929cb53b82a81ca]::ops::function::FnOnce<()>>::call_once\n                               at /rustc/ec6f9a5b4413f74386267ef8efc93712c2ce6db6/library/core/src/ops/function.rs:287:21\n  24:     0x5ed9d6c6d6d7 - std[29689e6404d28ef9]::panicking::catch_unwind::do_call::<&dyn core[e929cb53b82a81ca]::ops::function::Fn<(), Output = i32> + core[e929cb53b82a81ca]::panic::unwind_safe::RefUnwindSafe + core[e929cb53b82a81ca]::marker::Sync, i32>\n                               at /rustc/ec6f9a5b4413f74386267ef8efc93712c2ce6db6/library/std/src/panicking.rs:581:40\n  25:     0x5ed9d6c6d6d7 - std[29689e6404d28ef9]::panicking::catch_unwind::<i32, &dyn core[e929cb53b82a81ca]::ops::function::Fn<(), Output = i32> + core[e929cb53b82a81ca]::panic::unwind_safe::RefUnwindSafe + core[e929cb53b82a81ca]::marker::Sync>\n                               at /rustc/ec6f9a5b4413f74386267ef8efc93712c2ce6db6/library/std/src/panicking.rs:544:19\n  26:     0x5ed9d6c6d6d7 - std[29689e6404d28ef9]::panic::catch_unwind::<&dyn core[e929cb53b82a81ca]::ops::function::Fn<(), Output = i32> + core[e929cb53b82a81ca]::panic::unwind_safe::RefUnwindSafe + core[e929cb53b82a81ca]::marker::Sync, i32>\n                               at /rustc/ec6f9a5b4413f74386267ef8efc93712c2ce6db6/library/std/src/panic.rs:359:14\n  27:     0x5ed9d6c6d6d7 - std[29689e6404d28ef9]::rt::lang_start_internal::{closure#0}\n                               at /rustc/ec6f9a5b4413f74386267ef8efc93712c2ce6db6/library/std/src/rt.rs:175:24\n  28:     0x5ed9d6c6d6d7 - std[29689e6404d28ef9]::panicking::catch_unwind::do_call::<std[29689e6404d28ef9]::rt::lang_start_internal::{closure#0}, isize>\n                               at /rustc/ec6f9a5b4413f74386267ef8efc93712c2ce6db6/library/std/src/panicking.rs:581:40\n  29:     0x5ed9d6c6d6d7 - std[29689e6404d28ef9]::panicking::catch_unwind::<isize, std[29689e6404d28ef9]::rt::lang_start_internal::{closure#0}>\n                               at /rustc/ec6f9a5b4413f74386267ef8efc93712c2ce6db6/library/std/src/panicking.rs:544:19\n  30:     0x5ed9d6c6d6d7 - std[29689e6404d28ef9]::panic::catch_unwind::<std[29689e6404d28ef9]::rt::lang_start_internal::{closure#0}, isize>\n                               at /rustc/ec6f9a5b4413f74386267ef8efc93712c2ce6db6/library/std/src/panic.rs:359:14\n  31:     0x5ed9d6c6d6d7 - std[29689e6404d28ef9]::rt::lang_start_internal\n                               at /rustc/ec6f9a5b4413f74386267ef8efc93712c2ce6db6/library/std/src/rt.rs:171:5\n  32:     0x5ed9d6b1c9a7 - std[29689e6404d28ef9]::rt::lang_start::<()>\n                               at /rustc/ec6f9a5b4413f74386267ef8efc93712c2ce6db6/library/std/src/rt.rs:205:5\n  33:     0x5ed9d6b1cbde - main\n  34:     0x70b03774b1ca - <unknown>\n  35:     0x70b03774b28b - __libc_start_main\n  36:     0x5ed9d6b1c805 - _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\' (33) panicked at src/lib.rs:95:10:\nMust use `_os` lookups with `Arg::allow_invalid_utf8` at `bytes`\nstack backtrace:\n   0:     0x5ed9d6c727fa - std[29689e6404d28ef9]::backtrace_rs::backtrace::libunwind::trace\n                               at /rustc/ec6f9a5b4413f74386267ef8efc93712c2ce6db6/library/std/src/../../backtrace/src/backtrace/libunwind.rs:117:9\n   1:     0x5ed9d6c727fa - std[29689e6404d28ef9]::backtrace_rs::backtrace::trace_unsynchronized::<std[29689e6404d28ef9]::sys::backtrace::_print_fmt::{closure#1}>\n                               at /rustc/ec6f9a5b4413f74386267ef8efc93712c2ce6db6/library/std/src/../../backtrace/src/backtrace/mod.rs:66:14\n   2:     0x5ed9d6c727fa - std[29689e6404d28ef9]::sys::backtrace::_print_fmt\n                               at /rustc/ec6f9a5b4413f74386267ef8efc93712c2ce6db6/library/std/src/sys/backtrace.rs:74:9\n   3:     0x5ed9d6c727fa - <<std[29689e6404d28ef9]::sys::backtrace::BacktraceLock>::print::DisplayBacktrace as core[e929cb53b82a81ca]::fmt::Display>::fmt\n                               at /rustc/ec6f9a5b4413f74386267ef8efc93712c2ce6db6/library/std/src/sys/backtrace.rs:44:26\n   4:     0x5ed9d6c8617a - <core[e929cb53b82a81ca]::fmt::rt::Argument>::fmt\n                               at /rustc/ec6f9a5b4413f74386267ef8efc93712c2ce6db6/library/core/src/fmt/rt.rs:152:76\n   5:     0x5ed9d6c8617a - core[e929cb53b82a81ca]::fmt::write\n   6:     0x5ed9d6c77f22 - std[29689e6404d28ef9]::io::default_write_fmt::<std[29689e6404d28ef9]::sys::stdio::unix::Stderr>\n                               at /rustc/ec6f9a5b4413f74386267ef8efc93712c2ce6db6/library/std/src/io/mod.rs:621:11\n   7:     0x5ed9d6c77f22 - <std[29689e6404d28ef9]::sys::stdio::unix::Stderr as std[29689e6404d28ef9]::io::Write>::write_fmt\n                               at /rustc/ec6f9a5b4413f74386267ef8efc93712c2ce6db6/library/std/src/io/mod.rs:1976:13\n   8:     0x5ed9d6c5d27f - <std[29689e6404d28ef9]::sys::backtrace::BacktraceLock>::print\n                               at /rustc/ec6f9a5b4413f74386267ef8efc93712c2ce6db6/library/std/src/sys/backtrace.rs:47:9\n   9:     0x5ed9d6c5d27f - std[29689e6404d28ef9]::panicking::default_hook::{closure#0}\n                               at /rustc/ec6f9a5b4413f74386267ef8efc93712c2ce6db6/library/std/src/panicking.rs:292:27\n  10:     0x5ed9d6c6e2c1 - std[29689e6404d28ef9]::panicking::default_hook\n                               at /rustc/ec6f9a5b4413f74386267ef8efc93712c2ce6db6/library/std/src/panicking.rs:319:9\n  11:     0x5ed9d6c6e47b - std[29689e6404d28ef9]::panicking::panic_with_hook\n                               at /rustc/ec6f9a5b4413f74386267ef8efc93712c2ce6db6/library/std/src/panicking.rs:825:13\n  12:     0x5ed9d6c5d338 - std[29689e6404d28ef9]::panicking::panic_handler::{closure#0}\n                               at /rustc/ec6f9a5b4413f74386267ef8efc93712c2ce6db6/library/std/src/panicking.rs:698:13\n  13:     0x5ed9d6c52529 - std[29689e6404d28ef9]::sys::backtrace::__rust_end_short_backtrace::<std[29689e6404d28ef9]::panicking::panic_handler::{closure#0}, !>\n                               at /rustc/ec6f9a5b4413f74386267ef8efc93712c2ce6db6/library/std/src/sys/backtrace.rs:182:18\n  14:     0x5ed9d6c5dd1d - __rustc[3aed6af316653e63]::rust_begin_unwind\n                               at /rustc/ec6f9a5b4413f74386267ef8efc93712c2ce6db6/library/std/src/panicking.rs:689:5\n  15:     0x5ed9d6c8690c - core[e929cb53b82a81ca]::panicking::panic_fmt\n                               at /rustc/ec6f9a5b4413f74386267ef8efc93712c2ce6db6/library/core/src/panicking.rs:80:14\n  16:     0x5ed9d6b225de - clap[b04f63960fc043e6]::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:     0x5ed9d6b1d01b - <clap[b04f63960fc043e6]::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:     0x5ed9d6b206a6 - headr[5d3360d6b55101be]::get_args\n                               at /opt/rustwide/workdir/src/lib.rs:95:10\n  19:     0x5ed9d6b1ca32 - headr[b075a0b1261503b4]::main\n                               at /opt/rustwide/workdir/src/main.rs:2:21\n  20:     0x5ed9d6b1cb4b - <fn() as core[e929cb53b82a81ca]::ops::function::FnOnce<()>>::call_once\n                               at /rustc/ec6f9a5b4413f74386267ef8efc93712c2ce6db6/library/core/src/ops/function.rs:250:5\n  21:     0x5ed9d6b1c9be - std[29689e6404d28ef9]::sys::backtrace::__rust_begin_short_backtrace::<fn(), ()>\n                               at /rustc/ec6f9a5b4413f74386267ef8efc93712c2ce6db6/library/std/src/sys/backtrace.rs:166:18\n  22:     0x5ed9d6b1c9e1 - std[29689e6404d28ef9]::rt::lang_start::<()>::{closure#0}\n                               at /rustc/ec6f9a5b4413f74386267ef8efc93712c2ce6db6/library/std/src/rt.rs:206:18\n  23:     0x5ed9d6c6d6d7 - <&dyn core[e929cb53b82a81ca]::ops::function::Fn<(), Output = i32> + core[e929cb53b82a81ca]::panic::unwind_safe::RefUnwindSafe + core[e929cb53b82a81ca]::marker::Sync as core[e929cb53b82a81ca]::ops::function::FnOnce<()>>::call_once\n                               at /rustc/ec6f9a5b4413f74386267ef8efc93712c2ce6db6/library/core/src/ops/function.rs:287:21\n  24:     0x5ed9d6c6d6d7 - std[29689e6404d28ef9]::panicking::catch_unwind::do_call::<&dyn core[e929cb53b82a81ca]::ops::function::Fn<(), Output = i32> + core[e929cb53b82a81ca]::panic::unwind_safe::RefUnwindSafe + core[e929cb53b82a81ca]::marker::Sync, i32>\n                               at /rustc/ec6f9a5b4413f74386267ef8efc93712c2ce6db6/library/std/src/panicking.rs:581:40\n  25:     0x5ed9d6c6d6d7 - std[29689e6404d28ef9]::panicking::catch_unwind::<i32, &dyn core[e929cb53b82a81ca]::ops::function::Fn<(), Output = i32> + core[e929cb53b82a81ca]::panic::unwind_safe::RefUnwindSafe + core[e929cb53b82a81ca]::marker::Sync>\n                               at /rustc/ec6f9a5b4413f74386267ef8efc93712c2ce6db6/library/std/src/panicking.rs:544:19\n  26:     0x5ed9d6c6d6d7 - std[29689e6404d28ef9]::panic::catch_unwind::<&dyn core[e929cb53b82a81ca]::ops::function::Fn<(), Output = i32> + core[e929cb53b82a81ca]::panic::unwind_safe::RefUnwindSafe + core[e929cb53b82a81ca]::marker::Sync, i32>\n                               at /rustc/ec6f9a5b4413f74386267ef8efc93712c2ce6db6/library/std/src/panic.rs:359:14\n  27:     0x5ed9d6c6d6d7 - std[29689e6404d28ef9]::rt::lang_start_internal::{closure#0}\n                               at /rustc/ec6f9a5b4413f74386267ef8efc93712c2ce6db6/library/std/src/rt.rs:175:24\n  28:     0x5ed9d6c6d6d7 - std[29689e6404d28ef9]::panicking::catch_unwind::do_call::<std[29689e6404d28ef9]::rt::lang_start_internal::{closure#0}, isize>\n                               at /rustc/ec6f9a5b4413f74386267ef8efc93712c2ce6db6/library/std/src/panicking.rs:581:40\n  29:     0x5ed9d6c6d6d7 - std[29689e6404d28ef9]::panicking::catch_unwind::<isize, std[29689e6404d28ef9]::rt::lang_start_internal::{closure#0}>\n                               at /rustc/ec6f9a5b4413f74386267ef8efc93712c2ce6db6/library/std/src/panicking.rs:544:19\n  30:     0x5ed9d6c6d6d7 - std[29689e6404d28ef9]::panic::catch_unwind::<std[29689e6404d28ef9]::rt::lang_start_internal::{closure#0}, isize>\n                               at /rustc/ec6f9a5b4413f74386267ef8efc93712c2ce6db6/library/std/src/panic.rs:359:14\n  31:     0x5ed9d6c6d6d7 - std[29689e6404d28ef9]::rt::lang_start_internal\n                               at /rustc/ec6f9a5b4413f74386267ef8efc93712c2ce6db6/library/std/src/rt.rs:171:5\n  32:     0x5ed9d6b1c9a7 - std[29689e6404d28ef9]::rt::lang_start::<()>\n                               at /rustc/ec6f9a5b4413f74386267ef8efc93712c2ce6db6/library/std/src/rt.rs:205:5\n  33:     0x5ed9d6b1cbde - main\n  34:     0x70b03774b1ca - <unknown>\n  35:     0x70b03774b28b - __libc_start_main\n  36:     0x5ed9d6b1c805 - _start\n  37:                0x0 - <unknown>\n"
[INFO] [stdout] 
[INFO] [stdout] stack backtrace:
[INFO] [stdout]    0:     0x59d52d67aa1a - std[29689e6404d28ef9]::backtrace_rs::backtrace::libunwind::trace
[INFO] [stdout]                                at /rustc/ec6f9a5b4413f74386267ef8efc93712c2ce6db6/library/std/src/../../backtrace/src/backtrace/libunwind.rs:117:9
[INFO] [stdout]    1:     0x59d52d67aa1a - std[29689e6404d28ef9]::backtrace_rs::backtrace::trace_unsynchronized::<std[29689e6404d28ef9]::sys::backtrace::_print_fmt::{closure#1}>
[INFO] [stdout]                                at /rustc/ec6f9a5b4413f74386267ef8efc93712c2ce6db6/library/std/src/../../backtrace/src/backtrace/mod.rs:66:14
[INFO] [stdout]    2:     0x59d52d67aa1a - std[29689e6404d28ef9]::sys::backtrace::_print_fmt
[INFO] [stdout]                                at /rustc/ec6f9a5b4413f74386267ef8efc93712c2ce6db6/library/std/src/sys/backtrace.rs:74:9
[INFO] [stdout]    3:     0x59d52d67aa1a - <<std[29689e6404d28ef9]::sys::backtrace::BacktraceLock>::print::DisplayBacktrace as core[e929cb53b82a81ca]::fmt::Display>::fmt
[INFO] [stdout]                                at /rustc/ec6f9a5b4413f74386267ef8efc93712c2ce6db6/library/std/src/sys/backtrace.rs:44:26
[INFO] [stdout]    4:     0x59d52d6908ba - <core[e929cb53b82a81ca]::fmt::rt::Argument>::fmt
[INFO] [stdout]                                at /rustc/ec6f9a5b4413f74386267ef8efc93712c2ce6db6/library/core/src/fmt/rt.rs:152:76
[INFO] [stdout]    5:     0x59d52d6908ba - core[e929cb53b82a81ca]::fmt::write
[INFO] [stdout]    6:     0x59d52d680672 - std[29689e6404d28ef9]::io::default_write_fmt::<alloc[9d7caffeb3b5d2c6]::vec::Vec<u8>>
[INFO] [stdout]                                at /rustc/ec6f9a5b4413f74386267ef8efc93712c2ce6db6/library/std/src/io/mod.rs:621:11
[INFO] [stdout]    7:     0x59d52d680672 - <alloc[9d7caffeb3b5d2c6]::vec::Vec<u8> as std[29689e6404d28ef9]::io::Write>::write_fmt
[INFO] [stdout]                                at /rustc/ec6f9a5b4413f74386267ef8efc93712c2ce6db6/library/std/src/io/mod.rs:1976:13
[INFO] [stdout]    8:     0x59d52d65917f - <std[29689e6404d28ef9]::sys::backtrace::BacktraceLock>::print
[INFO] [stdout]                                at /rustc/ec6f9a5b4413f74386267ef8efc93712c2ce6db6/library/std/src/sys/backtrace.rs:47:9
[INFO] [stdout]    9:     0x59d52d65917f - std[29689e6404d28ef9]::panicking::default_hook::{closure#0}
[INFO] [stdout]                                at /rustc/ec6f9a5b4413f74386267ef8efc93712c2ce6db6/library/std/src/panicking.rs:292:27
[INFO] [stdout]   10:     0x59d52d672df9 - std[29689e6404d28ef9]::panicking::default_hook
[INFO] [stdout]                                at /rustc/ec6f9a5b4413f74386267ef8efc93712c2ce6db6/library/std/src/panicking.rs:316:9
[INFO] [stdout]   11:     0x59d52d5d750c - <alloc[9d7caffeb3b5d2c6]::boxed::Box<dyn for<'a, 'b> core[e929cb53b82a81ca]::ops::function::Fn<(&'a std[29689e6404d28ef9]::panic::PanicHookInfo<'b>,), Output = ()> + core[e929cb53b82a81ca]::marker::Send + core[e929cb53b82a81ca]::marker::Sync> as core[e929cb53b82a81ca]::ops::function::Fn<(&std[29689e6404d28ef9]::panic::PanicHookInfo,)>>::call
[INFO] [stdout]                                at /rustc/ec6f9a5b4413f74386267ef8efc93712c2ce6db6/library/alloc/src/boxed.rs:2285:9
[INFO] [stdout]   12:     0x59d52d5d750c - test[a24b3028667022f7]::test_main_inner::<test[a24b3028667022f7]::test_main_static::{closure#0}>::{closure#0}
[INFO] [stdout]                                at /rustc/ec6f9a5b4413f74386267ef8efc93712c2ce6db6/library/test/src/lib.rs:155:21
[INFO] [stdout]   13:     0x59d52d672fb2 - <alloc[9d7caffeb3b5d2c6]::boxed::Box<dyn for<'a, 'b> core[e929cb53b82a81ca]::ops::function::Fn<(&'a std[29689e6404d28ef9]::panic::PanicHookInfo<'b>,), Output = ()> + core[e929cb53b82a81ca]::marker::Send + core[e929cb53b82a81ca]::marker::Sync> as core[e929cb53b82a81ca]::ops::function::Fn<(&std[29689e6404d28ef9]::panic::PanicHookInfo,)>>::call
[INFO] [stdout]                                at /rustc/ec6f9a5b4413f74386267ef8efc93712c2ce6db6/library/alloc/src/boxed.rs:2285:9
[INFO] [stdout]   14:     0x59d52d672fb2 - std[29689e6404d28ef9]::panicking::panic_with_hook
[INFO] [stdout]                                at /rustc/ec6f9a5b4413f74386267ef8efc93712c2ce6db6/library/std/src/panicking.rs:833:13
[INFO] [stdout]   15:     0x59d52d659238 - std[29689e6404d28ef9]::panicking::panic_handler::{closure#0}
[INFO] [stdout]                                at /rustc/ec6f9a5b4413f74386267ef8efc93712c2ce6db6/library/std/src/panicking.rs:698:13
[INFO] [stdout]   16:     0x59d52d64e449 - std[29689e6404d28ef9]::sys::backtrace::__rust_end_short_backtrace::<std[29689e6404d28ef9]::panicking::panic_handler::{closure#0}, !>
[INFO] [stdout]                                at /rustc/ec6f9a5b4413f74386267ef8efc93712c2ce6db6/library/std/src/sys/backtrace.rs:182:18
[INFO] [stdout]   17:     0x59d52d659f4d - __rustc[3aed6af316653e63]::rust_begin_unwind
[INFO] [stdout]                                at /rustc/ec6f9a5b4413f74386267ef8efc93712c2ce6db6/library/std/src/panicking.rs:689:5
[INFO] [stdout]   18:     0x59d52d69104c - core[e929cb53b82a81ca]::panicking::panic_fmt
[INFO] [stdout]                                at /rustc/ec6f9a5b4413f74386267ef8efc93712c2ce6db6/library/core/src/panicking.rs:80:14
[INFO] [stdout]   19:     0x59d52d57f548 - core[e929cb53b82a81ca]::panicking::panic_display::<assert_cmd[d64b18a9d5ba9d61]::assert::AssertError>
[INFO] [stdout]                                at /rustc/ec6f9a5b4413f74386267ef8efc93712c2ce6db6/library/core/src/panicking.rs:259:5
[INFO] [stdout]   20:     0x59d52d584b87 - <assert_cmd[d64b18a9d5ba9d61]::assert::AssertError>::panic::<assert_cmd[d64b18a9d5ba9d61]::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:     0x59d52d58ad07 - <<assert_cmd[d64b18a9d5ba9d61]::assert::AssertError>::panic<assert_cmd[d64b18a9d5ba9d61]::assert::Assert> as core[e929cb53b82a81ca]::ops::function::FnOnce<(assert_cmd[d64b18a9d5ba9d61]::assert::AssertError,)>>::call_once
[INFO] [stdout]                                at /rustc/ec6f9a5b4413f74386267ef8efc93712c2ce6db6/library/core/src/ops/function.rs:250:5
[INFO] [stdout]   22:     0x59d52d584343 - <core[e929cb53b82a81ca]::result::Result<assert_cmd[d64b18a9d5ba9d61]::assert::Assert, assert_cmd[d64b18a9d5ba9d61]::assert::AssertError>>::unwrap_or_else::<<assert_cmd[d64b18a9d5ba9d61]::assert::AssertError>::panic<assert_cmd[d64b18a9d5ba9d61]::assert::Assert>>
[INFO] [stdout]                                at /rustc/ec6f9a5b4413f74386267ef8efc93712c2ce6db6/library/core/src/result.rs:1622:23
[INFO] [stdout]   23:     0x59d52d587a80 - <assert_cmd[d64b18a9d5ba9d61]::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:     0x59d52d57b181 - cli[1be8d24206b8a38a]::run_read_file
[INFO] [stdout]                                at /opt/rustwide/workdir/tests/cli.rs:63:10
[INFO] [stdout]   25:     0x59d52d57b72e - cli[1be8d24206b8a38a]::test_bytes
[INFO] [stdout]                                at /opt/rustwide/workdir/tests/cli.rs:132:5
[INFO] [stdout]   26:     0x59d52d57ac57 - cli[1be8d24206b8a38a]::test_bytes::{closure#0}
[INFO] [stdout]                                at /opt/rustwide/workdir/tests/cli.rs:131:16
[INFO] [stdout]   27:     0x59d52d57d5d6 - <cli[1be8d24206b8a38a]::test_bytes::{closure#0} as core[e929cb53b82a81ca]::ops::function::FnOnce<()>>::call_once
[INFO] [stdout]                                at /rustc/ec6f9a5b4413f74386267ef8efc93712c2ce6db6/library/core/src/ops/function.rs:250:5
[INFO] [stdout]   28:     0x59d52d5ca7eb - <fn() -> core[e929cb53b82a81ca]::result::Result<(), alloc[9d7caffeb3b5d2c6]::string::String> as core[e929cb53b82a81ca]::ops::function::FnOnce<()>>::call_once
[INFO] [stdout]                                at /rustc/ec6f9a5b4413f74386267ef8efc93712c2ce6db6/library/core/src/ops/function.rs:250:5
[INFO] [stdout]   29:     0x59d52d5ca7eb - test[a24b3028667022f7]::__rust_begin_short_backtrace::<core[e929cb53b82a81ca]::result::Result<(), alloc[9d7caffeb3b5d2c6]::string::String>, fn() -> core[e929cb53b82a81ca]::result::Result<(), alloc[9d7caffeb3b5d2c6]::string::String>>
[INFO] [stdout]                                at /rustc/ec6f9a5b4413f74386267ef8efc93712c2ce6db6/library/test/src/lib.rs:724:18
[INFO] [stdout]   30:     0x59d52d5d7fdb - test[a24b3028667022f7]::run_test_in_process::{closure#0}
[INFO] [stdout]                                at /rustc/ec6f9a5b4413f74386267ef8efc93712c2ce6db6/library/test/src/lib.rs:747:74
[INFO] [stdout]   31:     0x59d52d5d7fdb - <core[e929cb53b82a81ca]::panic::unwind_safe::AssertUnwindSafe<test[a24b3028667022f7]::run_test_in_process::{closure#0}> as core[e929cb53b82a81ca]::ops::function::FnOnce<()>>::call_once
[INFO] [stdout]                                at /rustc/ec6f9a5b4413f74386267ef8efc93712c2ce6db6/library/core/src/panic/unwind_safe.rs:275:9
[INFO] [stdout]   32:     0x59d52d5d7fdb - std[29689e6404d28ef9]::panicking::catch_unwind::do_call::<core[e929cb53b82a81ca]::panic::unwind_safe::AssertUnwindSafe<test[a24b3028667022f7]::run_test_in_process::{closure#0}>, core[e929cb53b82a81ca]::result::Result<(), alloc[9d7caffeb3b5d2c6]::string::String>>
[INFO] [stdout]                                at /rustc/ec6f9a5b4413f74386267ef8efc93712c2ce6db6/library/std/src/panicking.rs:581:40
[INFO] [stdout]   33:     0x59d52d5d7fdb - std[29689e6404d28ef9]::panicking::catch_unwind::<core[e929cb53b82a81ca]::result::Result<(), alloc[9d7caffeb3b5d2c6]::string::String>, core[e929cb53b82a81ca]::panic::unwind_safe::AssertUnwindSafe<test[a24b3028667022f7]::run_test_in_process::{closure#0}>>
[INFO] [stdout]                                at /rustc/ec6f9a5b4413f74386267ef8efc93712c2ce6db6/library/std/src/panicking.rs:544:19
[INFO] [stdout]   34:     0x59d52d5d7fdb - std[29689e6404d28ef9]::panic::catch_unwind::<core[e929cb53b82a81ca]::panic::unwind_safe::AssertUnwindSafe<test[a24b3028667022f7]::run_test_in_process::{closure#0}>, core[e929cb53b82a81ca]::result::Result<(), alloc[9d7caffeb3b5d2c6]::string::String>>
[INFO] [stdout]                                at /rustc/ec6f9a5b4413f74386267ef8efc93712c2ce6db6/library/std/src/panic.rs:359:14
[INFO] [stdout]   35:     0x59d52d5d7fdb - test[a24b3028667022f7]::run_test_in_process
[INFO] [stdout]                                at /rustc/ec6f9a5b4413f74386267ef8efc93712c2ce6db6/library/test/src/lib.rs:747:27
[INFO] [stdout]   36:     0x59d52d5d7fdb - test[a24b3028667022f7]::run_test::{closure#0}
[INFO] [stdout]                                at /rustc/ec6f9a5b4413f74386267ef8efc93712c2ce6db6/library/test/src/lib.rs:668:43
[INFO] [stdout]   37:     0x59d52d5d16f4 - test[a24b3028667022f7]::run_test::{closure#1}
[INFO] [stdout]                                at /rustc/ec6f9a5b4413f74386267ef8efc93712c2ce6db6/library/test/src/lib.rs:698:41
[INFO] [stdout]   38:     0x59d52d5d16f4 - std[29689e6404d28ef9]::sys::backtrace::__rust_begin_short_backtrace::<test[a24b3028667022f7]::run_test::{closure#1}, ()>
[INFO] [stdout]                                at /rustc/ec6f9a5b4413f74386267ef8efc93712c2ce6db6/library/std/src/sys/backtrace.rs:166:18
[INFO] [stdout]   39:     0x59d52d5dabe2 - std[29689e6404d28ef9]::thread::lifecycle::spawn_unchecked::<test[a24b3028667022f7]::run_test::{closure#1}, ()>::{closure#1}::{closure#0}
[INFO] [stdout]                                at /rustc/ec6f9a5b4413f74386267ef8efc93712c2ce6db6/library/std/src/thread/lifecycle.rs:70:13
[INFO] [stdout]   40:     0x59d52d5dabe2 - <core[e929cb53b82a81ca]::panic::unwind_safe::AssertUnwindSafe<std[29689e6404d28ef9]::thread::lifecycle::spawn_unchecked<test[a24b3028667022f7]::run_test::{closure#1}, ()>::{closure#1}::{closure#0}> as core[e929cb53b82a81ca]::ops::function::FnOnce<()>>::call_once
[INFO] [stdout]                                at /rustc/ec6f9a5b4413f74386267ef8efc93712c2ce6db6/library/core/src/panic/unwind_safe.rs:275:9
[INFO] [stdout]   41:     0x59d52d5dabe2 - std[29689e6404d28ef9]::panicking::catch_unwind::do_call::<core[e929cb53b82a81ca]::panic::unwind_safe::AssertUnwindSafe<std[29689e6404d28ef9]::thread::lifecycle::spawn_unchecked<test[a24b3028667022f7]::run_test::{closure#1}, ()>::{closure#1}::{closure#0}>, ()>
[INFO] [stdout]                                at /rustc/ec6f9a5b4413f74386267ef8efc93712c2ce6db6/library/std/src/panicking.rs:581:40
[INFO] [stdout]   42:     0x59d52d5dabe2 - std[29689e6404d28ef9]::panicking::catch_unwind::<(), core[e929cb53b82a81ca]::panic::unwind_safe::AssertUnwindSafe<std[29689e6404d28ef9]::thread::lifecycle::spawn_unchecked<test[a24b3028667022f7]::run_test::{closure#1}, ()>::{closure#1}::{closure#0}>>
[INFO] [stdout]                                at /rustc/ec6f9a5b4413f74386267ef8efc93712c2ce6db6/library/std/src/panicking.rs:544:19
[INFO] [stdout]   43:     0x59d52d5dabe2 - std[29689e6404d28ef9]::panic::catch_unwind::<core[e929cb53b82a81ca]::panic::unwind_safe::AssertUnwindSafe<std[29689e6404d28ef9]::thread::lifecycle::spawn_unchecked<test[a24b3028667022f7]::run_test::{closure#1}, ()>::{closure#1}::{closure#0}>, ()>
[INFO] [stdout]                                at /rustc/ec6f9a5b4413f74386267ef8efc93712c2ce6db6/library/std/src/panic.rs:359:14
[INFO] [stdout]   44:     0x59d52d5dabe2 - std[29689e6404d28ef9]::thread::lifecycle::spawn_unchecked::<test[a24b3028667022f7]::run_test::{closure#1}, ()>::{closure#1}
[INFO] [stdout]                                at /rustc/ec6f9a5b4413f74386267ef8efc93712c2ce6db6/library/std/src/thread/lifecycle.rs:68:26
[INFO] [stdout]   45:     0x59d52d5dabe2 - <std[29689e6404d28ef9]::thread::lifecycle::spawn_unchecked<test[a24b3028667022f7]::run_test::{closure#1}, ()>::{closure#1} as core[e929cb53b82a81ca]::ops::function::FnOnce<()>>::call_once::{shim:vtable#0}
[INFO] [stdout]                                at /rustc/ec6f9a5b4413f74386267ef8efc93712c2ce6db6/library/core/src/ops/function.rs:250:5
[INFO] [stdout]   46:     0x59d52d67a2af - <alloc[9d7caffeb3b5d2c6]::boxed::Box<dyn core[e929cb53b82a81ca]::ops::function::FnOnce<(), Output = ()> + core[e929cb53b82a81ca]::marker::Send> as core[e929cb53b82a81ca]::ops::function::FnOnce<()>>::call_once
[INFO] [stdout]                                at /rustc/ec6f9a5b4413f74386267ef8efc93712c2ce6db6/library/alloc/src/boxed.rs:2271:9
[INFO] [stdout]   47:     0x59d52d67a2af - <std[29689e6404d28ef9]::sys::thread::unix::Thread>::new::thread_start
[INFO] [stdout]                                at /rustc/ec6f9a5b4413f74386267ef8efc93712c2ce6db6/library/std/src/sys/thread/unix.rs:118:17
[INFO] [stdout]   48:     0x72f67e30faa4 - <unknown>
[INFO] [stdout]   49:     0x72f67e39ca64 - clone
[INFO] [stdout]   50:                0x0 - <unknown>
[INFO] [stdout] 
[INFO] [stdout] ---- test_empty stdout ----
[INFO] [stdout] 
[INFO] [stdout] thread 'test_empty' (31) panicked at /rustc/ec6f9a5b4413f74386267ef8efc93712c2ce6db6/library/core/src/ops/function.rs:250:5:
[INFO] [stdout] Unexpected failure.
[INFO] [stdout] code-101
[INFO] [stdout] stderr=```"\nthread \'main\' (37) panicked at src/lib.rs:88:10:\nMust use `_os` lookups with `Arg::allow_invalid_utf8` at `lines`\nstack backtrace:\n   0:     0x5c545c1d77fa - std[29689e6404d28ef9]::backtrace_rs::backtrace::libunwind::trace\n                               at /rustc/ec6f9a5b4413f74386267ef8efc93712c2ce6db6/library/std/src/../../backtrace/src/backtrace/libunwind.rs:117:9\n   1:     0x5c545c1d77fa - std[29689e6404d28ef9]::backtrace_rs::backtrace::trace_unsynchronized::<std[29689e6404d28ef9]::sys::backtrace::_print_fmt::{closure#1}>\n                               at /rustc/ec6f9a5b4413f74386267ef8efc93712c2ce6db6/library/std/src/../../backtrace/src/backtrace/mod.rs:66:14\n   2:     0x5c545c1d77fa - std[29689e6404d28ef9]::sys::backtrace::_print_fmt\n                               at /rustc/ec6f9a5b4413f74386267ef8efc93712c2ce6db6/library/std/src/sys/backtrace.rs:74:9\n   3:     0x5c545c1d77fa - <<std[29689e6404d28ef9]::sys::backtrace::BacktraceLock>::print::DisplayBacktrace as core[e929cb53b82a81ca]::fmt::Display>::fmt\n                               at /rustc/ec6f9a5b4413f74386267ef8efc93712c2ce6db6/library/std/src/sys/backtrace.rs:44:26\n   4:     0x5c545c1eb17a - <core[e929cb53b82a81ca]::fmt::rt::Argument>::fmt\n                               at /rustc/ec6f9a5b4413f74386267ef8efc93712c2ce6db6/library/core/src/fmt/rt.rs:152:76\n   5:     0x5c545c1eb17a - core[e929cb53b82a81ca]::fmt::write\n   6:     0x5c545c1dcf22 - std[29689e6404d28ef9]::io::default_write_fmt::<std[29689e6404d28ef9]::sys::stdio::unix::Stderr>\n                               at /rustc/ec6f9a5b4413f74386267ef8efc93712c2ce6db6/library/std/src/io/mod.rs:621:11\n   7:     0x5c545c1dcf22 - <std[29689e6404d28ef9]::sys::stdio::unix::Stderr as std[29689e6404d28ef9]::io::Write>::write_fmt\n                               at /rustc/ec6f9a5b4413f74386267ef8efc93712c2ce6db6/library/std/src/io/mod.rs:1976:13\n   8:     0x5c545c1c227f - <std[29689e6404d28ef9]::sys::backtrace::BacktraceLock>::print\n                               at /rustc/ec6f9a5b4413f74386267ef8efc93712c2ce6db6/library/std/src/sys/backtrace.rs:47:9\n   9:     0x5c545c1c227f - std[29689e6404d28ef9]::panicking::default_hook::{closure#0}\n                               at /rustc/ec6f9a5b4413f74386267ef8efc93712c2ce6db6/library/std/src/panicking.rs:292:27\n  10:     0x5c545c1d32c1 - std[29689e6404d28ef9]::panicking::default_hook\n                               at /rustc/ec6f9a5b4413f74386267ef8efc93712c2ce6db6/library/std/src/panicking.rs:319:9\n  11:     0x5c545c1d347b - std[29689e6404d28ef9]::panicking::panic_with_hook\n                               at /rustc/ec6f9a5b4413f74386267ef8efc93712c2ce6db6/library/std/src/panicking.rs:825:13\n  12:     0x5c545c1c2338 - std[29689e6404d28ef9]::panicking::panic_handler::{closure#0}\n                               at /rustc/ec6f9a5b4413f74386267ef8efc93712c2ce6db6/library/std/src/panicking.rs:698:13\n  13:     0x5c545c1b7529 - std[29689e6404d28ef9]::sys::backtrace::__rust_end_short_backtrace::<std[29689e6404d28ef9]::panicking::panic_handler::{closure#0}, !>\n                               at /rustc/ec6f9a5b4413f74386267ef8efc93712c2ce6db6/library/std/src/sys/backtrace.rs:182:18\n  14:     0x5c545c1c2d1d - __rustc[3aed6af316653e63]::rust_begin_unwind\n                               at /rustc/ec6f9a5b4413f74386267ef8efc93712c2ce6db6/library/std/src/panicking.rs:689:5\n  15:     0x5c545c1eb90c - core[e929cb53b82a81ca]::panicking::panic_fmt\n                               at /rustc/ec6f9a5b4413f74386267ef8efc93712c2ce6db6/library/core/src/panicking.rs:80:14\n  16:     0x5c545c0875de - clap[b04f63960fc043e6]::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:     0x5c545c08201b - <clap[b04f63960fc043e6]::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:     0x5c545c085485 - headr[5d3360d6b55101be]::get_args\n                               at /opt/rustwide/workdir/src/lib.rs:88:10\n  19:     0x5c545c081a32 - headr[b075a0b1261503b4]::main\n                               at /opt/rustwide/workdir/src/main.rs:2:21\n  20:     0x5c545c081b4b - <fn() as core[e929cb53b82a81ca]::ops::function::FnOnce<()>>::call_once\n                               at /rustc/ec6f9a5b4413f74386267ef8efc93712c2ce6db6/library/core/src/ops/function.rs:250:5\n  21:     0x5c545c0819be - std[29689e6404d28ef9]::sys::backtrace::__rust_begin_short_backtrace::<fn(), ()>\n                               at /rustc/ec6f9a5b4413f74386267ef8efc93712c2ce6db6/library/std/src/sys/backtrace.rs:166:18\n  22:     0x5c545c0819e1 - std[29689e6404d28ef9]::rt::lang_start::<()>::{closure#0}\n                               at /rustc/ec6f9a5b4413f74386267ef8efc93712c2ce6db6/library/std/src/rt.rs:206:18\n  23:     0x5c545c1d26d7 - <&dyn core[e929cb53b82a81ca]::ops::function::Fn<(), Output = i32> + core[e929cb53b82a81ca]::panic::unwind_safe::RefUnwindSafe + core[e929cb53b82a81ca]::marker::Sync as core[e929cb53b82a81ca]::ops::function::FnOnce<()>>::call_once\n                               at /rustc/ec6f9a5b4413f74386267ef8efc93712c2ce6db6/library/core/src/ops/function.rs:287:21\n  24:     0x5c545c1d26d7 - std[29689e6404d28ef9]::panicking::catch_unwind::do_call::<&dyn core[e929cb53b82a81ca]::ops::function::Fn<(), Output = i32> + core[e929cb53b82a81ca]::panic::unwind_safe::RefUnwindSafe + core[e929cb53b82a81ca]::marker::Sync, i32>\n                               at /rustc/ec6f9a5b4413f74386267ef8efc93712c2ce6db6/library/std/src/panicking.rs:581:40\n  25:     0x5c545c1d26d7 - std[29689e6404d28ef9]::panicking::catch_unwind::<i32, &dyn core[e929cb53b82a81ca]::ops::function::Fn<(), Output = i32> + core[e929cb53b82a81ca]::panic::unwind_safe::RefUnwindSafe + core[e929cb53b82a81ca]::marker::Sync>\n                               at /rustc/ec6f9a5b4413f74386267ef8efc93712c2ce6db6/library/std/src/panicking.rs:544:19\n  26:     0x5c545c1d26d7 - std[29689e6404d28ef9]::panic::catch_unwind::<&dyn core[e929cb53b82a81ca]::ops::function::Fn<(), Output = i32> + core[e929cb53b82a81ca]::panic::unwind_safe::RefUnwindSafe + core[e929cb53b82a81ca]::marker::Sync, i32>\n                               at /rustc/ec6f9a5b4413f74386267ef8efc93712c2ce6db6/library/std/src/panic.rs:359:14\n  27:     0x5c545c1d26d7 - std[29689e6404d28ef9]::rt::lang_start_internal::{closure#0}\n                               at /rustc/ec6f9a5b4413f74386267ef8efc93712c2ce6db6/library/std/src/rt.rs:175:24\n  28:     0x5c545c1d26d7 - std[29689e6404d28ef9]::panicking::catch_unwind::do_call::<std[29689e6404d28ef9]::rt::lang_start_internal::{closure#0}, isize>\n                               at /rustc/ec6f9a5b4413f74386267ef8efc93712c2ce6db6/library/std/src/panicking.rs:581:40\n  29:     0x5c545c1d26d7 - std[29689e6404d28ef9]::panicking::catch_unwind::<isize, std[29689e6404d28ef9]::rt::lang_start_internal::{closure#0}>\n                               at /rustc/ec6f9a5b4413f74386267ef8efc93712c2ce6db6/library/std/src/panicking.rs:544:19\n  30:     0x5c545c1d26d7 - std[29689e6404d28ef9]::panic::catch_unwind::<std[29689e6404d28ef9]::rt::lang_start_internal::{closure#0}, isize>\n                               at /rustc/ec6f9a5b4413f74386267ef8efc93712c2ce6db6/library/std/src/panic.rs:359:14\n  31:     0x5c545c1d26d7 - std[29689e6404d28ef9]::rt::lang_start_internal\n                               at /rustc/ec6f9a5b4413f74386267ef8efc93712c2ce6db6/library/std/src/rt.rs:171:5\n  32:     0x5c545c0819a7 - std[29689e6404d28ef9]::rt::lang_start::<()>\n                               at /rustc/ec6f9a5b4413f74386267ef8efc93712c2ce6db6/library/std/src/rt.rs:205:5\n  33:     0x5c545c081bde - main\n  34:     0x77b35cb811ca - <unknown>\n  35:     0x77b35cb8128b - __libc_start_main\n  36:     0x5c545c081805 - _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\' (37) panicked at src/lib.rs:88:10:\nMust use `_os` lookups with `Arg::allow_invalid_utf8` at `lines`\nstack backtrace:\n   0:     0x5c545c1d77fa - std[29689e6404d28ef9]::backtrace_rs::backtrace::libunwind::trace\n                               at /rustc/ec6f9a5b4413f74386267ef8efc93712c2ce6db6/library/std/src/../../backtrace/src/backtrace/libunwind.rs:117:9\n   1:     0x5c545c1d77fa - std[29689e6404d28ef9]::backtrace_rs::backtrace::trace_unsynchronized::<std[29689e6404d28ef9]::sys::backtrace::_print_fmt::{closure#1}>\n                               at /rustc/ec6f9a5b4413f74386267ef8efc93712c2ce6db6/library/std/src/../../backtrace/src/backtrace/mod.rs:66:14\n   2:     0x5c545c1d77fa - std[29689e6404d28ef9]::sys::backtrace::_print_fmt\n                               at /rustc/ec6f9a5b4413f74386267ef8efc93712c2ce6db6/library/std/src/sys/backtrace.rs:74:9\n   3:     0x5c545c1d77fa - <<std[29689e6404d28ef9]::sys::backtrace::BacktraceLock>::print::DisplayBacktrace as core[e929cb53b82a81ca]::fmt::Display>::fmt\n                               at /rustc/ec6f9a5b4413f74386267ef8efc93712c2ce6db6/library/std/src/sys/backtrace.rs:44:26\n   4:     0x5c545c1eb17a - <core[e929cb53b82a81ca]::fmt::rt::Argument>::fmt\n                               at /rustc/ec6f9a5b4413f74386267ef8efc93712c2ce6db6/library/core/src/fmt/rt.rs:152:76\n   5:     0x5c545c1eb17a - core[e929cb53b82a81ca]::fmt::write\n   6:     0x5c545c1dcf22 - std[29689e6404d28ef9]::io::default_write_fmt::<std[29689e6404d28ef9]::sys::stdio::unix::Stderr>\n                               at /rustc/ec6f9a5b4413f74386267ef8efc93712c2ce6db6/library/std/src/io/mod.rs:621:11\n   7:     0x5c545c1dcf22 - <std[29689e6404d28ef9]::sys::stdio::unix::Stderr as std[29689e6404d28ef9]::io::Write>::write_fmt\n                               at /rustc/ec6f9a5b4413f74386267ef8efc93712c2ce6db6/library/std/src/io/mod.rs:1976:13\n   8:     0x5c545c1c227f - <std[29689e6404d28ef9]::sys::backtrace::BacktraceLock>::print\n                               at /rustc/ec6f9a5b4413f74386267ef8efc93712c2ce6db6/library/std/src/sys/backtrace.rs:47:9\n   9:     0x5c545c1c227f - std[29689e6404d28ef9]::panicking::default_hook::{closure#0}\n                               at /rustc/ec6f9a5b4413f74386267ef8efc93712c2ce6db6/library/std/src/panicking.rs:292:27\n  10:     0x5c545c1d32c1 - std[29689e6404d28ef9]::panicking::default_hook\n                               at /rustc/ec6f9a5b4413f74386267ef8efc93712c2ce6db6/library/std/src/panicking.rs:319:9\n  11:     0x5c545c1d347b - std[29689e6404d28ef9]::panicking::panic_with_hook\n                               at /rustc/ec6f9a5b4413f74386267ef8efc93712c2ce6db6/library/std/src/panicking.rs:825:13\n  12:     0x5c545c1c2338 - std[29689e6404d28ef9]::panicking::panic_handler::{closure#0}\n                               at /rustc/ec6f9a5b4413f74386267ef8efc93712c2ce6db6/library/std/src/panicking.rs:698:13\n  13:     0x5c545c1b7529 - std[29689e6404d28ef9]::sys::backtrace::__rust_end_short_backtrace::<std[29689e6404d28ef9]::panicking::panic_handler::{closure#0}, !>\n                               at /rustc/ec6f9a5b4413f74386267ef8efc93712c2ce6db6/library/std/src/sys/backtrace.rs:182:18\n  14:     0x5c545c1c2d1d - __rustc[3aed6af316653e63]::rust_begin_unwind\n                               at /rustc/ec6f9a5b4413f74386267ef8efc93712c2ce6db6/library/std/src/panicking.rs:689:5\n  15:     0x5c545c1eb90c - core[e929cb53b82a81ca]::panicking::panic_fmt\n                               at /rustc/ec6f9a5b4413f74386267ef8efc93712c2ce6db6/library/core/src/panicking.rs:80:14\n  16:     0x5c545c0875de - clap[b04f63960fc043e6]::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:     0x5c545c08201b - <clap[b04f63960fc043e6]::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:     0x5c545c085485 - headr[5d3360d6b55101be]::get_args\n                               at /opt/rustwide/workdir/src/lib.rs:88:10\n  19:     0x5c545c081a32 - headr[b075a0b1261503b4]::main\n                               at /opt/rustwide/workdir/src/main.rs:2:21\n  20:     0x5c545c081b4b - <fn() as core[e929cb53b82a81ca]::ops::function::FnOnce<()>>::call_once\n                               at /rustc/ec6f9a5b4413f74386267ef8efc93712c2ce6db6/library/core/src/ops/function.rs:250:5\n  21:     0x5c545c0819be - std[29689e6404d28ef9]::sys::backtrace::__rust_begin_short_backtrace::<fn(), ()>\n                               at /rustc/ec6f9a5b4413f74386267ef8efc93712c2ce6db6/library/std/src/sys/backtrace.rs:166:18\n  22:     0x5c545c0819e1 - std[29689e6404d28ef9]::rt::lang_start::<()>::{closure#0}\n                               at /rustc/ec6f9a5b4413f74386267ef8efc93712c2ce6db6/library/std/src/rt.rs:206:18\n  23:     0x5c545c1d26d7 - <&dyn core[e929cb53b82a81ca]::ops::function::Fn<(), Output = i32> + core[e929cb53b82a81ca]::panic::unwind_safe::RefUnwindSafe + core[e929cb53b82a81ca]::marker::Sync as core[e929cb53b82a81ca]::ops::function::FnOnce<()>>::call_once\n                               at /rustc/ec6f9a5b4413f74386267ef8efc93712c2ce6db6/library/core/src/ops/function.rs:287:21\n  24:     0x5c545c1d26d7 - std[29689e6404d28ef9]::panicking::catch_unwind::do_call::<&dyn core[e929cb53b82a81ca]::ops::function::Fn<(), Output = i32> + core[e929cb53b82a81ca]::panic::unwind_safe::RefUnwindSafe + core[e929cb53b82a81ca]::marker::Sync, i32>\n                               at /rustc/ec6f9a5b4413f74386267ef8efc93712c2ce6db6/library/std/src/panicking.rs:581:40\n  25:     0x5c545c1d26d7 - std[29689e6404d28ef9]::panicking::catch_unwind::<i32, &dyn core[e929cb53b82a81ca]::ops::function::Fn<(), Output = i32> + core[e929cb53b82a81ca]::panic::unwind_safe::RefUnwindSafe + core[e929cb53b82a81ca]::marker::Sync>\n                               at /rustc/ec6f9a5b4413f74386267ef8efc93712c2ce6db6/library/std/src/panicking.rs:544:19\n  26:     0x5c545c1d26d7 - std[29689e6404d28ef9]::panic::catch_unwind::<&dyn core[e929cb53b82a81ca]::ops::function::Fn<(), Output = i32> + core[e929cb53b82a81ca]::panic::unwind_safe::RefUnwindSafe + core[e929cb53b82a81ca]::marker::Sync, i32>\n                               at /rustc/ec6f9a5b4413f74386267ef8efc93712c2ce6db6/library/std/src/panic.rs:359:14\n  27:     0x5c545c1d26d7 - std[29689e6404d28ef9]::rt::lang_start_internal::{closure#0}\n                               at /rustc/ec6f9a5b4413f74386267ef8efc93712c2ce6db6/library/std/src/rt.rs:175:24\n  28:     0x5c545c1d26d7 - std[29689e6404d28ef9]::panicking::catch_unwind::do_call::<std[29689e6404d28ef9]::rt::lang_start_internal::{closure#0}, isize>\n                               at /rustc/ec6f9a5b4413f74386267ef8efc93712c2ce6db6/library/std/src/panicking.rs:581:40\n  29:     0x5c545c1d26d7 - std[29689e6404d28ef9]::panicking::catch_unwind::<isize, std[29689e6404d28ef9]::rt::lang_start_internal::{closure#0}>\n                               at /rustc/ec6f9a5b4413f74386267ef8efc93712c2ce6db6/library/std/src/panicking.rs:544:19\n  30:     0x5c545c1d26d7 - std[29689e6404d28ef9]::panic::catch_unwind::<std[29689e6404d28ef9]::rt::lang_start_internal::{closure#0}, isize>\n                               at /rustc/ec6f9a5b4413f74386267ef8efc93712c2ce6db6/library/std/src/panic.rs:359:14\n  31:     0x5c545c1d26d7 - std[29689e6404d28ef9]::rt::lang_start_internal\n                               at /rustc/ec6f9a5b4413f74386267ef8efc93712c2ce6db6/library/std/src/rt.rs:171:5\n  32:     0x5c545c0819a7 - std[29689e6404d28ef9]::rt::lang_start::<()>\n                               at /rustc/ec6f9a5b4413f74386267ef8efc93712c2ce6db6/library/std/src/rt.rs:205:5\n  33:     0x5c545c081bde - main\n  34:     0x77b35cb811ca - <unknown>\n  35:     0x77b35cb8128b - __libc_start_main\n  36:     0x5c545c081805 - _start\n  37:                0x0 - <unknown>\n"
[INFO] [stdout] 
[INFO] [stdout] stack backtrace:
[INFO] [stdout]    0:     0x59d52d67aa1a - std[29689e6404d28ef9]::backtrace_rs::backtrace::libunwind::trace
[INFO] [stdout]                                at /rustc/ec6f9a5b4413f74386267ef8efc93712c2ce6db6/library/std/src/../../backtrace/src/backtrace/libunwind.rs:117:9
[INFO] [stdout]    1:     0x59d52d67aa1a - std[29689e6404d28ef9]::backtrace_rs::backtrace::trace_unsynchronized::<std[29689e6404d28ef9]::sys::backtrace::_print_fmt::{closure#1}>
[INFO] [stdout]                                at /rustc/ec6f9a5b4413f74386267ef8efc93712c2ce6db6/library/std/src/../../backtrace/src/backtrace/mod.rs:66:14
[INFO] [stdout]    2:     0x59d52d67aa1a - std[29689e6404d28ef9]::sys::backtrace::_print_fmt
[INFO] [stdout]                                at /rustc/ec6f9a5b4413f74386267ef8efc93712c2ce6db6/library/std/src/sys/backtrace.rs:74:9
[INFO] [stdout]    3:     0x59d52d67aa1a - <<std[29689e6404d28ef9]::sys::backtrace::BacktraceLock>::print::DisplayBacktrace as core[e929cb53b82a81ca]::fmt::Display>::fmt
[INFO] [stdout]                                at /rustc/ec6f9a5b4413f74386267ef8efc93712c2ce6db6/library/std/src/sys/backtrace.rs:44:26
[INFO] [stdout]    4:     0x59d52d6908ba - <core[e929cb53b82a81ca]::fmt::rt::Argument>::fmt
[INFO] [stdout]                                at /rustc/ec6f9a5b4413f74386267ef8efc93712c2ce6db6/library/core/src/fmt/rt.rs:152:76
[INFO] [stdout]    5:     0x59d52d6908ba - core[e929cb53b82a81ca]::fmt::write
[INFO] [stdout]    6:     0x59d52d680672 - std[29689e6404d28ef9]::io::default_write_fmt::<alloc[9d7caffeb3b5d2c6]::vec::Vec<u8>>
[INFO] [stdout]                                at /rustc/ec6f9a5b4413f74386267ef8efc93712c2ce6db6/library/std/src/io/mod.rs:621:11
[INFO] [stdout]    7:     0x59d52d680672 - <alloc[9d7caffeb3b5d2c6]::vec::Vec<u8> as std[29689e6404d28ef9]::io::Write>::write_fmt
[INFO] [stdout]                                at /rustc/ec6f9a5b4413f74386267ef8efc93712c2ce6db6/library/std/src/io/mod.rs:1976:13
[INFO] [stdout]    8:     0x59d52d65917f - <std[29689e6404d28ef9]::sys::backtrace::BacktraceLock>::print
[INFO] [stdout]                                at /rustc/ec6f9a5b4413f74386267ef8efc93712c2ce6db6/library/std/src/sys/backtrace.rs:47:9
[INFO] [stdout]    9:     0x59d52d65917f - std[29689e6404d28ef9]::panicking::default_hook::{closure#0}
[INFO] [stdout]                                at /rustc/ec6f9a5b4413f74386267ef8efc93712c2ce6db6/library/std/src/panicking.rs:292:27
[INFO] [stdout]   10:     0x59d52d672df9 - std[29689e6404d28ef9]::panicking::default_hook
[INFO] [stdout]                                at /rustc/ec6f9a5b4413f74386267ef8efc93712c2ce6db6/library/std/src/panicking.rs:316:9
[INFO] [stdout]   11:     0x59d52d5d750c - <alloc[9d7caffeb3b5d2c6]::boxed::Box<dyn for<'a, 'b> core[e929cb53b82a81ca]::ops::function::Fn<(&'a std[29689e6404d28ef9]::panic::PanicHookInfo<'b>,), Output = ()> + core[e929cb53b82a81ca]::marker::Send + core[e929cb53b82a81ca]::marker::Sync> as core[e929cb53b82a81ca]::ops::function::Fn<(&std[29689e6404d28ef9]::panic::PanicHookInfo,)>>::call
[INFO] [stdout]                                at /rustc/ec6f9a5b4413f74386267ef8efc93712c2ce6db6/library/alloc/src/boxed.rs:2285:9
[INFO] [stdout]   12:     0x59d52d5d750c - test[a24b3028667022f7]::test_main_inner::<test[a24b3028667022f7]::test_main_static::{closure#0}>::{closure#0}
[INFO] [stdout]                                at /rustc/ec6f9a5b4413f74386267ef8efc93712c2ce6db6/library/test/src/lib.rs:155:21
[INFO] [stdout]   13:     0x59d52d672fb2 - <alloc[9d7caffeb3b5d2c6]::boxed::Box<dyn for<'a, 'b> core[e929cb53b82a81ca]::ops::function::Fn<(&'a std[29689e6404d28ef9]::panic::PanicHookInfo<'b>,), Output = ()> + core[e929cb53b82a81ca]::marker::Send + core[e929cb53b82a81ca]::marker::Sync> as core[e929cb53b82a81ca]::ops::function::Fn<(&std[29689e6404d28ef9]::panic::PanicHookInfo,)>>::call
[INFO] [stdout]                                at /rustc/ec6f9a5b4413f74386267ef8efc93712c2ce6db6/library/alloc/src/boxed.rs:2285:9
[INFO] [stdout]   14:     0x59d52d672fb2 - std[29689e6404d28ef9]::panicking::panic_with_hook
[INFO] [stdout]                                at /rustc/ec6f9a5b4413f74386267ef8efc93712c2ce6db6/library/std/src/panicking.rs:833:13
[INFO] [stdout]   15:     0x59d52d659238 - std[29689e6404d28ef9]::panicking::panic_handler::{closure#0}
[INFO] [stdout]                                at /rustc/ec6f9a5b4413f74386267ef8efc93712c2ce6db6/library/std/src/panicking.rs:698:13
[INFO] [stdout]   16:     0x59d52d64e449 - std[29689e6404d28ef9]::sys::backtrace::__rust_end_short_backtrace::<std[29689e6404d28ef9]::panicking::panic_handler::{closure#0}, !>
[INFO] [stdout]                                at /rustc/ec6f9a5b4413f74386267ef8efc93712c2ce6db6/library/std/src/sys/backtrace.rs:182:18
[INFO] [stdout]   17:     0x59d52d659f4d - __rustc[3aed6af316653e63]::rust_begin_unwind
[INFO] [stdout]                                at /rustc/ec6f9a5b4413f74386267ef8efc93712c2ce6db6/library/std/src/panicking.rs:689:5
[INFO] [stdout]   18:     0x59d52d69104c - core[e929cb53b82a81ca]::panicking::panic_fmt
[INFO] [stdout]                                at /rustc/ec6f9a5b4413f74386267ef8efc93712c2ce6db6/library/core/src/panicking.rs:80:14
[INFO] [stdout]   19:     0x59d52d57f548 - core[e929cb53b82a81ca]::panicking::panic_display::<assert_cmd[d64b18a9d5ba9d61]::assert::AssertError>
[INFO] [stdout]                                at /rustc/ec6f9a5b4413f74386267ef8efc93712c2ce6db6/library/core/src/panicking.rs:259:5
[INFO] [stdout]   20:     0x59d52d584b87 - <assert_cmd[d64b18a9d5ba9d61]::assert::AssertError>::panic::<assert_cmd[d64b18a9d5ba9d61]::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:     0x59d52d58ad07 - <<assert_cmd[d64b18a9d5ba9d61]::assert::AssertError>::panic<assert_cmd[d64b18a9d5ba9d61]::assert::Assert> as core[e929cb53b82a81ca]::ops::function::FnOnce<(assert_cmd[d64b18a9d5ba9d61]::assert::AssertError,)>>::call_once
[INFO] [stdout]                                at /rustc/ec6f9a5b4413f74386267ef8efc93712c2ce6db6/library/core/src/ops/function.rs:250:5
[INFO] [stdout]   22:     0x59d52d584343 - <core[e929cb53b82a81ca]::result::Result<assert_cmd[d64b18a9d5ba9d61]::assert::Assert, assert_cmd[d64b18a9d5ba9d61]::assert::AssertError>>::unwrap_or_else::<<assert_cmd[d64b18a9d5ba9d61]::assert::AssertError>::panic<assert_cmd[d64b18a9d5ba9d61]::assert::Assert>>
[INFO] [stdout]                                at /rustc/ec6f9a5b4413f74386267ef8efc93712c2ce6db6/library/core/src/result.rs:1622:23
[INFO] [stdout]   23:     0x59d52d587a80 - <assert_cmd[d64b18a9d5ba9d61]::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:     0x59d52d57b181 - cli[1be8d24206b8a38a]::run_read_file
[INFO] [stdout]                                at /opt/rustwide/workdir/tests/cli.rs:63:10
[INFO] [stdout]   25:     0x59d52d57b7ae - cli[1be8d24206b8a38a]::test_empty
[INFO] [stdout]                                at /opt/rustwide/workdir/tests/cli.rs:68:5
[INFO] [stdout]   26:     0x59d52d57ac87 - cli[1be8d24206b8a38a]::test_empty::{closure#0}
[INFO] [stdout]                                at /opt/rustwide/workdir/tests/cli.rs:67:16
[INFO] [stdout]   27:     0x59d52d57d616 - <cli[1be8d24206b8a38a]::test_empty::{closure#0} as core[e929cb53b82a81ca]::ops::function::FnOnce<()>>::call_once
[INFO] [stdout]                                at /rustc/ec6f9a5b4413f74386267ef8efc93712c2ce6db6/library/core/src/ops/function.rs:250:5
[INFO] [stdout]   28:     0x59d52d5ca7eb - <fn() -> core[e929cb53b82a81ca]::result::Result<(), alloc[9d7caffeb3b5d2c6]::string::String> as core[e929cb53b82a81ca]::ops::function::FnOnce<()>>::call_once
[INFO] [stdout]                                at /rustc/ec6f9a5b4413f74386267ef8efc93712c2ce6db6/library/core/src/ops/function.rs:250:5
[INFO] [stdout]   29:     0x59d52d5ca7eb - test[a24b3028667022f7]::__rust_begin_short_backtrace::<core[e929cb53b82a81ca]::result::Result<(), alloc[9d7caffeb3b5d2c6]::string::String>, fn() -> core[e929cb53b82a81ca]::result::Result<(), alloc[9d7caffeb3b5d2c6]::string::String>>
[INFO] [stdout]                                at /rustc/ec6f9a5b4413f74386267ef8efc93712c2ce6db6/library/test/src/lib.rs:724:18
[INFO] [stdout]   30:     0x59d52d5d7fdb - test[a24b3028667022f7]::run_test_in_process::{closure#0}
[INFO] [stdout]                                at /rustc/ec6f9a5b4413f74386267ef8efc93712c2ce6db6/library/test/src/lib.rs:747:74
[INFO] [stdout]   31:     0x59d52d5d7fdb - <core[e929cb53b82a81ca]::panic::unwind_safe::AssertUnwindSafe<test[a24b3028667022f7]::run_test_in_process::{closure#0}> as core[e929cb53b82a81ca]::ops::function::FnOnce<()>>::call_once
[INFO] [stdout]                                at /rustc/ec6f9a5b4413f74386267ef8efc93712c2ce6db6/library/core/src/panic/unwind_safe.rs:275:9
[INFO] [stdout]   32:     0x59d52d5d7fdb - std[29689e6404d28ef9]::panicking::catch_unwind::do_call::<core[e929cb53b82a81ca]::panic::unwind_safe::AssertUnwindSafe<test[a24b3028667022f7]::run_test_in_process::{closure#0}>, core[e929cb53b82a81ca]::result::Result<(), alloc[9d7caffeb3b5d2c6]::string::String>>
[INFO] [stdout]                                at /rustc/ec6f9a5b4413f74386267ef8efc93712c2ce6db6/library/std/src/panicking.rs:581:40
[INFO] [stdout]   33:     0x59d52d5d7fdb - std[29689e6404d28ef9]::panicking::catch_unwind::<core[e929cb53b82a81ca]::result::Result<(), alloc[9d7caffeb3b5d2c6]::string::String>, core[e929cb53b82a81ca]::panic::unwind_safe::AssertUnwindSafe<test[a24b3028667022f7]::run_test_in_process::{closure#0}>>
[INFO] [stdout]                                at /rustc/ec6f9a5b4413f74386267ef8efc93712c2ce6db6/library/std/src/panicking.rs:544:19
[INFO] [stdout]   34:     0x59d52d5d7fdb - std[29689e6404d28ef9]::panic::catch_unwind::<core[e929cb53b82a81ca]::panic::unwind_safe::AssertUnwindSafe<test[a24b3028667022f7]::run_test_in_process::{closure#0}>, core[e929cb53b82a81ca]::result::Result<(), alloc[9d7caffeb3b5d2c6]::string::String>>
[INFO] [stdout]                                at /rustc/ec6f9a5b4413f74386267ef8efc93712c2ce6db6/library/std/src/panic.rs:359:14
[INFO] [stdout]   35:     0x59d52d5d7fdb - test[a24b3028667022f7]::run_test_in_process
[INFO] [stdout]                                at /rustc/ec6f9a5b4413f74386267ef8efc93712c2ce6db6/library/test/src/lib.rs:747:27
[INFO] [stdout]   36:     0x59d52d5d7fdb - test[a24b3028667022f7]::run_test::{closure#0}
[INFO] [stdout]                                at /rustc/ec6f9a5b4413f74386267ef8efc93712c2ce6db6/library/test/src/lib.rs:668:43
[INFO] [stdout]   37:     0x59d52d5d16f4 - test[a24b3028667022f7]::run_test::{closure#1}
[INFO] [stdout]                                at /rustc/ec6f9a5b4413f74386267ef8efc93712c2ce6db6/library/test/src/lib.rs:698:41
[INFO] [stdout]   38:     0x59d52d5d16f4 - std[29689e6404d28ef9]::sys::backtrace::__rust_begin_short_backtrace::<test[a24b3028667022f7]::run_test::{closure#1}, ()>
[INFO] [stdout]                                at /rustc/ec6f9a5b4413f74386267ef8efc93712c2ce6db6/library/std/src/sys/backtrace.rs:166:18
[INFO] [stdout]   39:     0x59d52d5dabe2 - std[29689e6404d28ef9]::thread::lifecycle::spawn_unchecked::<test[a24b3028667022f7]::run_test::{closure#1}, ()>::{closure#1}::{closure#0}
[INFO] [stdout]                                at /rustc/ec6f9a5b4413f74386267ef8efc93712c2ce6db6/library/std/src/thread/lifecycle.rs:70:13
[INFO] [stdout]   40:     0x59d52d5dabe2 - <core[e929cb53b82a81ca]::panic::unwind_safe::AssertUnwindSafe<std[29689e6404d28ef9]::thread::lifecycle::spawn_unchecked<test[a24b3028667022f7]::run_test::{closure#1}, ()>::{closure#1}::{closure#0}> as core[e929cb53b82a81ca]::ops::function::FnOnce<()>>::call_once
[INFO] [stdout]                                at /rustc/ec6f9a5b4413f74386267ef8efc93712c2ce6db6/library/core/src/panic/unwind_safe.rs:275:9
[INFO] [stdout]   41:     0x59d52d5dabe2 - std[29689e6404d28ef9]::panicking::catch_unwind::do_call::<core[e929cb53b82a81ca]::panic::unwind_safe::AssertUnwindSafe<std[29689e6404d28ef9]::thread::lifecycle::spawn_unchecked<test[a24b3028667022f7]::run_test::{closure#1}, ()>::{closure#1}::{closure#0}>, ()>
[INFO] [stdout]                                at /rustc/ec6f9a5b4413f74386267ef8efc93712c2ce6db6/library/std/src/panicking.rs:581:40
[INFO] [stdout]   42:     0x59d52d5dabe2 - std[29689e6404d28ef9]::panicking::catch_unwind::<(), core[e929cb53b82a81ca]::panic::unwind_safe::AssertUnwindSafe<std[29689e6404d28ef9]::thread::lifecycle::spawn_unchecked<test[a24b3028667022f7]::run_test::{closure#1}, ()>::{closure#1}::{closure#0}>>
[INFO] [stdout]                                at /rustc/ec6f9a5b4413f74386267ef8efc93712c2ce6db6/library/std/src/panicking.rs:544:19
[INFO] [stdout]   43:     0x59d52d5dabe2 - std[29689e6404d28ef9]::panic::catch_unwind::<core[e929cb53b82a81ca]::panic::unwind_safe::AssertUnwindSafe<std[29689e6404d28ef9]::thread::lifecycle::spawn_unchecked<test[a24b3028667022f7]::run_test::{closure#1}, ()>::{closure#1}::{closure#0}>, ()>
[INFO] [stdout]                                at /rustc/ec6f9a5b4413f74386267ef8efc93712c2ce6db6/library/std/src/panic.rs:359:14
[INFO] [stdout]   44:     0x59d52d5dabe2 - std[29689e6404d28ef9]::thread::lifecycle::spawn_unchecked::<test[a24b3028667022f7]::run_test::{closure#1}, ()>::{closure#1}
[INFO] [stdout]                                at /rustc/ec6f9a5b4413f74386267ef8efc93712c2ce6db6/library/std/src/thread/lifecycle.rs:68:26
[INFO] [stdout]   45:     0x59d52d5dabe2 - <std[29689e6404d28ef9]::thread::lifecycle::spawn_unchecked<test[a24b3028667022f7]::run_test::{closure#1}, ()>::{closure#1} as core[e929cb53b82a81ca]::ops::function::FnOnce<()>>::call_once::{shim:vtable#0}
[INFO] [stdout]                                at /rustc/ec6f9a5b4413f74386267ef8efc93712c2ce6db6/library/core/src/ops/function.rs:250:5
[INFO] [stdout]   46:     0x59d52d67a2af - <alloc[9d7caffeb3b5d2c6]::boxed::Box<dyn core[e929cb53b82a81ca]::ops::function::FnOnce<(), Output = ()> + core[e929cb53b82a81ca]::marker::Send> as core[e929cb53b82a81ca]::ops::function::FnOnce<()>>::call_once
[INFO] [stdout]                                at /rustc/ec6f9a5b4413f74386267ef8efc93712c2ce6db6/library/alloc/src/boxed.rs:2271:9
[INFO] [stdout]   47:     0x59d52d67a2af - <std[29689e6404d28ef9]::sys::thread::unix::Thread>::new::thread_start
[INFO] [stdout]                                at /rustc/ec6f9a5b4413f74386267ef8efc93712c2ce6db6/library/std/src/sys/thread/unix.rs:118:17
[INFO] [stdout]   48:     0x72f67e30faa4 - <unknown>
[INFO] [stdout]   49:     0x72f67e39ca64 - 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 0.07s
[INFO] [stdout] 
[INFO] running `Command { std: "docker" "inspect" "810b7507207562334b53582b53f21acc34e61a8f3ea9074c9706cb49abd43997", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "810b7507207562334b53582b53f21acc34e61a8f3ea9074c9706cb49abd43997", kill_on_drop: false }`
[INFO] [stdout] 810b7507207562334b53582b53f21acc34e61a8f3ea9074c9706cb49abd43997
