[INFO] cloning repository https://github.com/yamd1/wcr
[INFO] running `Command { std: "git" "-c" "credential.helper=" "-c" "credential.helper=/workspace/cargo-home/bin/git-credential-null" "clone" "--bare" "https://github.com/yamd1/wcr" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fyamd1%2Fwcr", kill_on_drop: false }`
[INFO] [stderr] Cloning into bare repository '/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fyamd1%2Fwcr'...
[INFO] running `Command { std: "git" "rev-parse" "HEAD", kill_on_drop: false }`
[INFO] [stdout] 705a8b63376e18997a2e12c86c0ec6cf8da4992f
[INFO] testing yamd1/wcr against master#1ef7943ee607160a564655b6596f83670ef95df5 for pr-146098-6
[INFO] running `Command { std: "git" "clone" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fyamd1%2Fwcr" "/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/yamd1/wcr
[INFO] finished tweaking git repo https://github.com/yamd1/wcr
[INFO] tweaked toml for git repo https://github.com/yamd1/wcr written to /workspace/builds/worker-0-tc1/source/Cargo.toml
[INFO] validating manifest of git repo https://github.com/yamd1/wcr on toolchain 1ef7943ee607160a564655b6596f83670ef95df5
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+1ef7943ee607160a564655b6596f83670ef95df5" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }`
[INFO] crate git repo https://github.com/yamd1/wcr 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" "+1ef7943ee607160a564655b6596f83670ef95df5" "fetch" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] [stderr]  Downloading crates ...
[INFO] [stderr]   Downloaded clap v4.5.1
[INFO] [stderr]   Downloaded windows-targets v0.52.3
[INFO] [stderr]   Downloaded anstream v0.6.12
[INFO] [stderr]   Downloaded assert_cmd v2.0.14
[INFO] [stderr]   Downloaded predicates v3.1.0
[INFO] [stderr]   Downloaded clap_builder v4.5.1
[INFO] [stderr]   Downloaded windows_x86_64_gnullvm v0.52.3
[INFO] [stderr]   Downloaded bstr v1.9.1
[INFO] [stderr]   Downloaded windows_aarch64_gnullvm v0.52.3
[INFO] [stderr]   Downloaded windows_aarch64_msvc v0.52.3
[INFO] [stderr]   Downloaded windows_x86_64_gnu v0.52.3
[INFO] [stderr]   Downloaded windows_x86_64_msvc v0.52.3
[INFO] [stderr]   Downloaded windows_i686_gnu v0.52.3
[INFO] [stderr]   Downloaded windows_i686_msvc v0.52.3
[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@sha256:4848fb76d95f26979359cc7e45710b1dbc8f3acb7aeedee7c460d7702230f228" "/opt/rustwide/cargo-home/bin/cargo" "+1ef7943ee607160a564655b6596f83670ef95df5" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] 5526882c67f331c85efd344a1f9c14edb3c247b84044030e99375374d9b05866
[INFO] running `Command { std: "docker" "start" "-a" "5526882c67f331c85efd344a1f9c14edb3c247b84044030e99375374d9b05866", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "5526882c67f331c85efd344a1f9c14edb3c247b84044030e99375374d9b05866", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "5526882c67f331c85efd344a1f9c14edb3c247b84044030e99375374d9b05866", kill_on_drop: false }`
[INFO] [stdout] 5526882c67f331c85efd344a1f9c14edb3c247b84044030e99375374d9b05866
[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@sha256:4848fb76d95f26979359cc7e45710b1dbc8f3acb7aeedee7c460d7702230f228" "/opt/rustwide/cargo-home/bin/cargo" "+1ef7943ee607160a564655b6596f83670ef95df5" "build" "--frozen" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] 584c920734dc3e50980f9cfa30ca9918a87bdeb7571b579fde03c7df083dfab7
[INFO] running `Command { std: "docker" "start" "-a" "584c920734dc3e50980f9cfa30ca9918a87bdeb7571b579fde03c7df083dfab7", kill_on_drop: false }`
[INFO] [stderr]    Compiling anstyle-parse v0.2.3
[INFO] [stderr]    Compiling anstyle-query v1.0.2
[INFO] [stderr]    Compiling anstyle v1.0.6
[INFO] [stderr]    Compiling strsim v0.11.0
[INFO] [stderr]    Compiling clap_lex v0.7.0
[INFO] [stderr]    Compiling anstream v0.6.12
[INFO] [stderr]    Compiling clap_builder v4.5.1
[INFO] [stderr]    Compiling clap v4.5.1
[INFO] [stderr]    Compiling wcr v0.1.0 (/opt/rustwide/workdir)
[INFO] [stdout] warning: variable does not need to be mutable
[INFO] [stdout]    --> src/lib.rs:125:9
[INFO] [stdout]     |
[INFO] [stdout] 125 |     let mut num_bytes = file.read_line(&mut body)?;
[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: variable does not need to be mutable
[INFO] [stdout]    --> src/lib.rs:126:9
[INFO] [stdout]     |
[INFO] [stdout] 126 |     let mut num_lines = body.lines().count();
[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:127:9
[INFO] [stdout]     |
[INFO] [stdout] 127 |     let mut num_words = body.split_ascii_whitespace().count();
[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:128:9
[INFO] [stdout]     |
[INFO] [stdout] 128 |     let mut num_chars = body.chars().count();
[INFO] [stdout]     |         ----^^^^^^^^^
[INFO] [stdout]     |         |
[INFO] [stdout]     |         help: remove this `mut`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: fields `lines`, `words`, `bytes`, and `chars` are never read
[INFO] [stdout]   --> src/lib.rs:14:5
[INFO] [stdout]    |
[INFO] [stdout] 12 | pub struct Config {
[INFO] [stdout]    |            ------ fields in this struct
[INFO] [stdout] 13 |     files: Vec<String>,
[INFO] [stdout] 14 |     lines: bool,
[INFO] [stdout]    |     ^^^^^
[INFO] [stdout] 15 |     words: bool,
[INFO] [stdout]    |     ^^^^^
[INFO] [stdout] 16 |     bytes: bool,
[INFO] [stdout]    |     ^^^^^
[INFO] [stdout] 17 |     chars: bool,
[INFO] [stdout]    |     ^^^^^
[INFO] [stdout]    |
[INFO] [stdout]    = note: `Config` has a derived impl for the trait `Debug`, but this is intentionally ignored during dead code analysis
[INFO] [stdout]    = note: `#[warn(dead_code)]` (part of `#[warn(unused)]`) on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr]     Finished `dev` profile [unoptimized + debuginfo] target(s) in 4.96s
[INFO] running `Command { std: "docker" "inspect" "584c920734dc3e50980f9cfa30ca9918a87bdeb7571b579fde03c7df083dfab7", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "584c920734dc3e50980f9cfa30ca9918a87bdeb7571b579fde03c7df083dfab7", kill_on_drop: false }`
[INFO] [stdout] 584c920734dc3e50980f9cfa30ca9918a87bdeb7571b579fde03c7df083dfab7
[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@sha256:4848fb76d95f26979359cc7e45710b1dbc8f3acb7aeedee7c460d7702230f228" "/opt/rustwide/cargo-home/bin/cargo" "+1ef7943ee607160a564655b6596f83670ef95df5" "test" "--frozen" "--no-run" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] 9001d6197a7f8cdd2a07a6998d004ab099a81e4257538e0c4bdd578fd844722b
[INFO] running `Command { std: "docker" "start" "-a" "9001d6197a7f8cdd2a07a6998d004ab099a81e4257538e0c4bdd578fd844722b", kill_on_drop: false }`
[INFO] [stderr]    Compiling libc v0.2.153
[INFO] [stderr]    Compiling memchr v2.7.1
[INFO] [stderr]    Compiling regex-syntax v0.8.2
[INFO] [stderr]    Compiling predicates-core v1.0.6
[INFO] [stderr]    Compiling either v1.10.0
[INFO] [stderr]    Compiling termtree v0.4.1
[INFO] [stderr]    Compiling num-traits v0.2.18
[INFO] [stderr]    Compiling assert_cmd v2.0.14
[INFO] [stdout] warning: variable does not need to be mutable
[INFO] [stdout]    --> src/lib.rs:125:9
[INFO] [stdout]     |
[INFO] [stdout] 125 |     let mut num_bytes = file.read_line(&mut body)?;
[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: variable does not need to be mutable
[INFO] [stdout]    --> src/lib.rs:126:9
[INFO] [stdout]     |
[INFO] [stdout] 126 |     let mut num_lines = body.lines().count();
[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:127:9
[INFO] [stdout]     |
[INFO] [stdout] 127 |     let mut num_words = body.split_ascii_whitespace().count();
[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:128:9
[INFO] [stdout]     |
[INFO] [stdout] 128 |     let mut num_chars = body.chars().count();
[INFO] [stdout]     |         ----^^^^^^^^^
[INFO] [stdout]     |         |
[INFO] [stdout]     |         help: remove this `mut`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: fields `lines`, `words`, `bytes`, and `chars` are never read
[INFO] [stdout]   --> src/lib.rs:14:5
[INFO] [stdout]    |
[INFO] [stdout] 12 | pub struct Config {
[INFO] [stdout]    |            ------ fields in this struct
[INFO] [stdout] 13 |     files: Vec<String>,
[INFO] [stdout] 14 |     lines: bool,
[INFO] [stdout]    |     ^^^^^
[INFO] [stdout] 15 |     words: bool,
[INFO] [stdout]    |     ^^^^^
[INFO] [stdout] 16 |     bytes: bool,
[INFO] [stdout]    |     ^^^^^
[INFO] [stdout] 17 |     chars: bool,
[INFO] [stdout]    |     ^^^^^
[INFO] [stdout]    |
[INFO] [stdout]    = note: `Config` has a derived impl for the trait `Debug`, but this is intentionally ignored during dead code analysis
[INFO] [stdout]    = note: `#[warn(dead_code)]` (part of `#[warn(unused)]`) on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr]    Compiling predicates-tree v1.0.9
[INFO] [stderr]    Compiling predicates v3.1.0
[INFO] [stderr]    Compiling itertools v0.10.5
[INFO] [stderr]    Compiling aho-corasick v1.1.2
[INFO] [stderr]    Compiling getrandom v0.2.12
[INFO] [stderr]    Compiling wait-timeout v0.2.0
[INFO] [stderr]    Compiling rand_core v0.6.4
[INFO] [stderr]    Compiling rand_chacha v0.3.1
[INFO] [stderr]    Compiling rand v0.8.5
[INFO] [stderr]    Compiling float-cmp v0.9.0
[INFO] [stderr]    Compiling regex-automata v0.4.5
[INFO] [stderr]    Compiling bstr v1.9.1
[INFO] [stderr]    Compiling regex v1.10.3
[INFO] [stderr]    Compiling predicates v2.1.5
[INFO] [stderr]    Compiling wcr v0.1.0 (/opt/rustwide/workdir)
[INFO] [stdout] warning: variable does not need to be mutable
[INFO] [stdout]    --> src/lib.rs:125:9
[INFO] [stdout]     |
[INFO] [stdout] 125 |     let mut num_bytes = file.read_line(&mut body)?;
[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: variable does not need to be mutable
[INFO] [stdout]    --> src/lib.rs:126:9
[INFO] [stdout]     |
[INFO] [stdout] 126 |     let mut num_lines = body.lines().count();
[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:127:9
[INFO] [stdout]     |
[INFO] [stdout] 127 |     let mut num_words = body.split_ascii_whitespace().count();
[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:128:9
[INFO] [stdout]     |
[INFO] [stdout] 128 |     let mut num_chars = body.chars().count();
[INFO] [stdout]     |         ----^^^^^^^^^
[INFO] [stdout]     |         |
[INFO] [stdout]     |         help: remove this `mut`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: fields `lines`, `words`, `bytes`, and `chars` are never read
[INFO] [stdout]   --> src/lib.rs:14:5
[INFO] [stdout]    |
[INFO] [stdout] 12 | pub struct Config {
[INFO] [stdout]    |            ------ fields in this struct
[INFO] [stdout] 13 |     files: Vec<String>,
[INFO] [stdout] 14 |     lines: bool,
[INFO] [stdout]    |     ^^^^^
[INFO] [stdout] 15 |     words: bool,
[INFO] [stdout]    |     ^^^^^
[INFO] [stdout] 16 |     bytes: bool,
[INFO] [stdout]    |     ^^^^^
[INFO] [stdout] 17 |     chars: bool,
[INFO] [stdout]    |     ^^^^^
[INFO] [stdout]    |
[INFO] [stdout]    = note: `Config` has a derived impl for the trait `Debug`, but this is intentionally ignored during dead code analysis
[INFO] [stdout]    = note: `#[warn(dead_code)]` (part of `#[warn(unused)]`) on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr]     Finished `test` profile [unoptimized + debuginfo] target(s) in 12.94s
[INFO] running `Command { std: "docker" "inspect" "9001d6197a7f8cdd2a07a6998d004ab099a81e4257538e0c4bdd578fd844722b", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "9001d6197a7f8cdd2a07a6998d004ab099a81e4257538e0c4bdd578fd844722b", kill_on_drop: false }`
[INFO] [stdout] 9001d6197a7f8cdd2a07a6998d004ab099a81e4257538e0c4bdd578fd844722b
[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@sha256:4848fb76d95f26979359cc7e45710b1dbc8f3acb7aeedee7c460d7702230f228" "/opt/rustwide/cargo-home/bin/cargo" "+1ef7943ee607160a564655b6596f83670ef95df5" "test" "--frozen", kill_on_drop: false }`
[INFO] [stdout] 6ed40fa1c29304505d14cde47855faaa0d89b7cf2f8555befc6e721b5c425da9
[INFO] running `Command { std: "docker" "start" "-a" "6ed40fa1c29304505d14cde47855faaa0d89b7cf2f8555befc6e721b5c425da9", kill_on_drop: false }`
[INFO] [stderr] warning: variable does not need to be mutable
[INFO] [stderr]    --> src/lib.rs:125:9
[INFO] [stderr]     |
[INFO] [stderr] 125 |     let mut num_bytes = file.read_line(&mut body)?;
[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: variable does not need to be mutable
[INFO] [stderr]    --> src/lib.rs:126:9
[INFO] [stderr]     |
[INFO] [stderr] 126 |     let mut num_lines = body.lines().count();
[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:127:9
[INFO] [stderr]     |
[INFO] [stderr] 127 |     let mut num_words = body.split_ascii_whitespace().count();
[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:128:9
[INFO] [stderr]     |
[INFO] [stderr] 128 |     let mut num_chars = body.chars().count();
[INFO] [stderr]     |         ----^^^^^^^^^
[INFO] [stderr]     |         |
[INFO] [stderr]     |         help: remove this `mut`
[INFO] [stderr] 
[INFO] [stderr] warning: fields `lines`, `words`, `bytes`, and `chars` are never read
[INFO] [stderr]   --> src/lib.rs:14:5
[INFO] [stderr]    |
[INFO] [stderr] 12 | pub struct Config {
[INFO] [stderr]    |            ------ fields in this struct
[INFO] [stderr] 13 |     files: Vec<String>,
[INFO] [stderr] 14 |     lines: bool,
[INFO] [stderr]    |     ^^^^^
[INFO] [stderr] 15 |     words: bool,
[INFO] [stderr]    |     ^^^^^
[INFO] [stderr] 16 |     bytes: bool,
[INFO] [stderr]    |     ^^^^^
[INFO] [stderr] 17 |     chars: bool,
[INFO] [stderr]    |     ^^^^^
[INFO] [stderr]    |
[INFO] [stderr]    = note: `Config` has a derived impl for the trait `Debug`, but this is intentionally ignored during dead code analysis
[INFO] [stderr]    = note: `#[warn(dead_code)]` (part of `#[warn(unused)]`) on by default
[INFO] [stderr] 
[INFO] [stderr] warning: `wcr` (lib) generated 5 warnings (run `cargo fix --lib -p wcr` to apply 4 suggestions)
[INFO] [stderr] warning: `wcr` (lib test) generated 5 warnings (5 duplicates)
[INFO] [stderr]     Finished `test` profile [unoptimized + debuginfo] target(s) in 0.08s
[INFO] [stderr]      Running unittests src/lib.rs (/opt/rustwide/target/debug/deps/wcr-a3a6a230ebc454c8)
[INFO] [stdout] 
[INFO] [stderr] error: test failed, to rerun pass `--lib`
[INFO] [stdout] running 1 test
[INFO] [stdout] test tests::test_count ... FAILED
[INFO] [stdout] 
[INFO] [stdout] failures:
[INFO] [stdout] 
[INFO] [stdout] ---- tests::test_count stdout ----
[INFO] [stdout] 
[INFO] [stdout] thread 'tests::test_count' (25) panicked at src/lib.rs:153:9:
[INFO] [stdout] assertion `left == right` failed
[INFO] [stdout]   left: FileInfo { num_lines: 1, num_words: 10, num_bytes: 49, num_chars: 49 }
[INFO] [stdout]  right: FileInfo { num_lines: 1, num_words: 10, num_bytes: 48, num_chars: 48 }
[INFO] [stdout] stack backtrace:
[INFO] [stdout]    0:     0x5cf8dbb4f4d2 - std::backtrace_rs::backtrace::libunwind::trace::h786de35fecf3582f
[INFO] [stdout]                                at /rustc/1ef7943ee607160a564655b6596f83670ef95df5/library/std/src/../../backtrace/src/backtrace/libunwind.rs:117:9
[INFO] [stdout]    1:     0x5cf8dbb4f4d2 - std::backtrace_rs::backtrace::trace_unsynchronized::h4a7da1a2a64387f1
[INFO] [stdout]                                at /rustc/1ef7943ee607160a564655b6596f83670ef95df5/library/std/src/../../backtrace/src/backtrace/mod.rs:66:14
[INFO] [stdout]    2:     0x5cf8dbb4f4d2 - std::sys::backtrace::_print_fmt::h6bd7d500070c788c
[INFO] [stdout]                                at /rustc/1ef7943ee607160a564655b6596f83670ef95df5/library/std/src/sys/backtrace.rs:66:9
[INFO] [stdout]    3:     0x5cf8dbb4f4d2 - <std::sys::backtrace::BacktraceLock::print::DisplayBacktrace as core::fmt::Display>::fmt::h6d82c1afff976903
[INFO] [stdout]                                at /rustc/1ef7943ee607160a564655b6596f83670ef95df5/library/std/src/sys/backtrace.rs:39:26
[INFO] [stdout]    4:     0x5cf8dbb5f3bf - core::fmt::rt::Argument::fmt::hc4ce6d643d397690
[INFO] [stdout]                                at /rustc/1ef7943ee607160a564655b6596f83670ef95df5/library/core/src/fmt/rt.rs:173:76
[INFO] [stdout]    5:     0x5cf8dbb5f3bf - core::fmt::write::hb1e7ca88b6a3936e
[INFO] [stdout]                                at /rustc/1ef7943ee607160a564655b6596f83670ef95df5/library/core/src/fmt/mod.rs:1469:25
[INFO] [stdout]    6:     0x5cf8dbb1ce13 - std::io::default_write_fmt::haffd49d96f1984a8
[INFO] [stdout]                                at /rustc/1ef7943ee607160a564655b6596f83670ef95df5/library/std/src/io/mod.rs:639:11
[INFO] [stdout]    7:     0x5cf8dbb1ce13 - std::io::Write::write_fmt::h027871c57cf57c01
[INFO] [stdout]                                at /rustc/1ef7943ee607160a564655b6596f83670ef95df5/library/std/src/io/mod.rs:1954:13
[INFO] [stdout]    8:     0x5cf8dbb28ce2 - std::sys::backtrace::BacktraceLock::print::ha2430613ee79d059
[INFO] [stdout]                                at /rustc/1ef7943ee607160a564655b6596f83670ef95df5/library/std/src/sys/backtrace.rs:42:9
[INFO] [stdout]    9:     0x5cf8dbb2d7bf - std::panicking::default_hook::{{closure}}::hdbd2db9e5c303cf6
[INFO] [stdout]                                at /rustc/1ef7943ee607160a564655b6596f83670ef95df5/library/std/src/panicking.rs:301:27
[INFO] [stdout]   10:     0x5cf8dbb2d651 - std::panicking::default_hook::hed93c70cba5fdcf0
[INFO] [stdout]                                at /rustc/1ef7943ee607160a564655b6596f83670ef95df5/library/std/src/panicking.rs:325:9
[INFO] [stdout]   11:     0x5cf8dbaee3ae - <alloc::boxed::Box<F,A> as core::ops::function::Fn<Args>>::call::hd0ee8b569efc6a07
[INFO] [stdout]                                at /rustc/1ef7943ee607160a564655b6596f83670ef95df5/library/alloc/src/boxed.rs:2099:9
[INFO] [stdout]   12:     0x5cf8dbaee3ae - test::test_main_with_exit_callback::{{closure}}::hf10864b576ecd15d
[INFO] [stdout]                                at /rustc/1ef7943ee607160a564655b6596f83670ef95df5/library/test/src/lib.rs:145:21
[INFO] [stdout]   13:     0x5cf8dbb2ddcf - <alloc::boxed::Box<F,A> as core::ops::function::Fn<Args>>::call::h3a55ca34534c0d00
[INFO] [stdout]                                at /rustc/1ef7943ee607160a564655b6596f83670ef95df5/library/alloc/src/boxed.rs:2099:9
[INFO] [stdout]   14:     0x5cf8dbb2ddcf - std::panicking::panic_with_hook::h3862d766c2cec19b
[INFO] [stdout]                                at /rustc/1ef7943ee607160a564655b6596f83670ef95df5/library/std/src/panicking.rs:842:13
[INFO] [stdout]   15:     0x5cf8dbb2dc2a - std::panicking::panic_handler::{{closure}}::hb95eb402b5e28ee1
[INFO] [stdout]                                at /rustc/1ef7943ee607160a564655b6596f83670ef95df5/library/std/src/panicking.rs:707:13
[INFO] [stdout]   16:     0x5cf8dbb28e19 - std::sys::backtrace::__rust_end_short_backtrace::hf73a26dc1835d85a
[INFO] [stdout]                                at /rustc/1ef7943ee607160a564655b6596f83670ef95df5/library/std/src/sys/backtrace.rs:174:18
[INFO] [stdout]   17:     0x5cf8dbb1170d - __rustc[6ed5915ee467787]::rust_begin_unwind
[INFO] [stdout]                                at /rustc/1ef7943ee607160a564655b6596f83670ef95df5/library/std/src/panicking.rs:698:5
[INFO] [stdout]   18:     0x5cf8dbb66cf0 - core::panicking::panic_fmt::h3454303eb8e6f7cd
[INFO] [stdout]                                at /rustc/1ef7943ee607160a564655b6596f83670ef95df5/library/core/src/panicking.rs:80:14
[INFO] [stdout]   19:     0x5cf8dbb66b93 - core::panicking::assert_failed_inner::hdcc703ae7c807131
[INFO] [stdout]                                at /rustc/1ef7943ee607160a564655b6596f83670ef95df5/library/core/src/panicking.rs:444:17
[INFO] [stdout]   20:     0x5cf8dbacc40e - core::panicking::assert_failed::h0997255a57132f2c
[INFO] [stdout]                                at /rustc/1ef7943ee607160a564655b6596f83670ef95df5/library/core/src/panicking.rs:399:5
[INFO] [stdout]   21:     0x5cf8dbacabcf - wcr::tests::test_count::hf9ff229b4af1982a
[INFO] [stdout]                                at /opt/rustwide/workdir/src/lib.rs:153:9
[INFO] [stdout]   22:     0x5cf8dbacac17 - wcr::tests::test_count::{{closure}}::h6263b6f0831d5fc8
[INFO] [stdout]                                at /opt/rustwide/workdir/src/lib.rs:143:20
[INFO] [stdout]   23:     0x5cf8dbacadf6 - core::ops::function::FnOnce::call_once::h64e4068f32a2a392
[INFO] [stdout]                                at /rustc/1ef7943ee607160a564655b6596f83670ef95df5/library/core/src/ops/function.rs:250:5
[INFO] [stdout]   24:     0x5cf8dbaee18b - core::ops::function::FnOnce::call_once::ha729ee35d2fab541
[INFO] [stdout]                                at /rustc/1ef7943ee607160a564655b6596f83670ef95df5/library/core/src/ops/function.rs:250:5
[INFO] [stdout]   25:     0x5cf8dbaee18b - test::__rust_begin_short_backtrace::ha40f4db8207e1111
[INFO] [stdout]                                at /rustc/1ef7943ee607160a564655b6596f83670ef95df5/library/test/src/lib.rs:663:18
[INFO] [stdout]   26:     0x5cf8dbb0220d - test::run_test_in_process::{{closure}}::hc1b77cda5d44f0f3
[INFO] [stdout]                                at /rustc/1ef7943ee607160a564655b6596f83670ef95df5/library/test/src/lib.rs:686:74
[INFO] [stdout]   27:     0x5cf8dbb0220d - <core::panic::unwind_safe::AssertUnwindSafe<F> as core::ops::function::FnOnce<()>>::call_once::h1dbea1de64785521
[INFO] [stdout]                                at /rustc/1ef7943ee607160a564655b6596f83670ef95df5/library/core/src/panic/unwind_safe.rs:274:9
[INFO] [stdout]   28:     0x5cf8dbb0220d - std::panicking::catch_unwind::do_call::hd5febe9affd5a1b3
[INFO] [stdout]                                at /rustc/1ef7943ee607160a564655b6596f83670ef95df5/library/std/src/panicking.rs:590:40
[INFO] [stdout]   29:     0x5cf8dbb0220d - std::panicking::catch_unwind::h51ea89627559b6f4
[INFO] [stdout]                                at /rustc/1ef7943ee607160a564655b6596f83670ef95df5/library/std/src/panicking.rs:553:19
[INFO] [stdout]   30:     0x5cf8dbb0220d - std::panic::catch_unwind::hb8b8c2367cae3d66
[INFO] [stdout]                                at /rustc/1ef7943ee607160a564655b6596f83670ef95df5/library/std/src/panic.rs:359:14
[INFO] [stdout]   31:     0x5cf8dbb0220d - test::run_test_in_process::ha5b55801407ea100
[INFO] [stdout]                                at /rustc/1ef7943ee607160a564655b6596f83670ef95df5/library/test/src/lib.rs:686:27
[INFO] [stdout]   32:     0x5cf8dbb0220d - test::run_test::{{closure}}::h0b9d4072b527abf5
[INFO] [stdout]                                at /rustc/1ef7943ee607160a564655b6596f83670ef95df5/library/test/src/lib.rs:607:43
[INFO] [stdout]   33:     0x5cf8dbadb724 - test::run_test::{{closure}}::hb1056b5731205822
[INFO] [stdout]                                at /rustc/1ef7943ee607160a564655b6596f83670ef95df5/library/test/src/lib.rs:637:41
[INFO] [stdout]   34:     0x5cf8dbadb724 - std::sys::backtrace::__rust_begin_short_backtrace::hb61ff5a34023c7ef
[INFO] [stdout]                                at /rustc/1ef7943ee607160a564655b6596f83670ef95df5/library/std/src/sys/backtrace.rs:158:18
[INFO] [stdout]   35:     0x5cf8dbadf05a - std::thread::Builder::spawn_unchecked_::{{closure}}::{{closure}}::hb0a83c0e8b353cff
[INFO] [stdout]                                at /rustc/1ef7943ee607160a564655b6596f83670ef95df5/library/std/src/thread/mod.rs:562:17
[INFO] [stdout]   36:     0x5cf8dbadf05a - <core::panic::unwind_safe::AssertUnwindSafe<F> as core::ops::function::FnOnce<()>>::call_once::hb4f32cb008535298
[INFO] [stdout]                                at /rustc/1ef7943ee607160a564655b6596f83670ef95df5/library/core/src/panic/unwind_safe.rs:274:9
[INFO] [stdout]   37:     0x5cf8dbadf05a - std::panicking::catch_unwind::do_call::h16d110e4fc35789a
[INFO] [stdout]                                at /rustc/1ef7943ee607160a564655b6596f83670ef95df5/library/std/src/panicking.rs:590:40
[INFO] [stdout]   38:     0x5cf8dbadf05a - std::panicking::catch_unwind::hea9118f355699c4b
[INFO] [stdout]                                at /rustc/1ef7943ee607160a564655b6596f83670ef95df5/library/std/src/panicking.rs:553:19
[INFO] [stdout]   39:     0x5cf8dbadf05a - std::panic::catch_unwind::hf4b3c2a06d3f42f5
[INFO] [stdout]                                at /rustc/1ef7943ee607160a564655b6596f83670ef95df5/library/std/src/panic.rs:359:14
[INFO] [stdout]   40:     0x5cf8dbadf05a - std::thread::Builder::spawn_unchecked_::{{closure}}::h3f4cb733a52d53d5
[INFO] [stdout]                                at /rustc/1ef7943ee607160a564655b6596f83670ef95df5/library/std/src/thread/mod.rs:560:30
[INFO] [stdout]   41:     0x5cf8dbadf05a - core::ops::function::FnOnce::call_once{{vtable.shim}}::h4052f0967b37caeb
[INFO] [stdout]                                at /rustc/1ef7943ee607160a564655b6596f83670ef95df5/library/core/src/ops/function.rs:250:5
[INFO] [stdout]   42:     0x5cf8dbb2421f - <alloc::boxed::Box<F,A> as core::ops::function::FnOnce<Args>>::call_once::h7ec433abd3f148b4
[INFO] [stdout]                                at /rustc/1ef7943ee607160a564655b6596f83670ef95df5/library/alloc/src/boxed.rs:2085:9
[INFO] [stdout]   43:     0x5cf8dbb2421f - std::sys::thread::unix::Thread::new::thread_start::he514622d3d7ba65c
[INFO] [stdout]                                at /rustc/1ef7943ee607160a564655b6596f83670ef95df5/library/std/src/sys/thread/unix.rs:124:17
[INFO] [stdout]   44:     0x72cd0e580aa4 - <unknown>
[INFO] [stdout]   45:     0x72cd0e60da64 - clone
[INFO] [stdout]   46:                0x0 - <unknown>
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] failures:
[INFO] [stdout]     tests::test_count
[INFO] [stdout] 
[INFO] [stdout] test result: FAILED. 0 passed; 1 failed; 0 ignored; 0 measured; 0 filtered out; finished in 0.03s
[INFO] [stdout] 
[INFO] running `Command { std: "docker" "inspect" "6ed40fa1c29304505d14cde47855faaa0d89b7cf2f8555befc6e721b5c425da9", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "6ed40fa1c29304505d14cde47855faaa0d89b7cf2f8555befc6e721b5c425da9", kill_on_drop: false }`
[INFO] [stdout] 6ed40fa1c29304505d14cde47855faaa0d89b7cf2f8555befc6e721b5c425da9
