[INFO] cloning repository https://github.com/Hasnep/chordown
[INFO] running `Command { std: "git" "-c" "credential.helper=" "-c" "credential.helper=/workspace/cargo-home/bin/git-credential-null" "clone" "--bare" "https://github.com/Hasnep/chordown" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2FHasnep%2Fchordown", kill_on_drop: false }`
[INFO] [stderr] Cloning into bare repository '/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2FHasnep%2Fchordown'...
[INFO] running `Command { std: "git" "rev-parse" "HEAD", kill_on_drop: false }`
[INFO] [stdout] cfd14b997abb815887f27cfe83efeddaced9a006
[INFO] testing Hasnep/chordown against 1.55.0 for beta-1.56-1
[INFO] running `Command { std: "git" "clone" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2FHasnep%2Fchordown" "/workspace/builds/worker-9/source", kill_on_drop: false }`
[INFO] [stderr] Cloning into '/workspace/builds/worker-9/source'...
[INFO] [stderr] done.
[INFO] validating manifest of git repo https://github.com/Hasnep/chordown on toolchain 1.55.0
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+1.55.0" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }`
[INFO] started tweaking git repo https://github.com/Hasnep/chordown
[INFO] finished tweaking git repo https://github.com/Hasnep/chordown
[INFO] tweaked toml for git repo https://github.com/Hasnep/chordown written to /workspace/builds/worker-9/source/Cargo.toml
[INFO] crate git repo https://github.com/Hasnep/chordown already has a lockfile, it will not be regenerated
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+1.55.0" "fetch" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] [stderr]     Blocking waiting for file lock on package cache
[INFO] [stderr]     Blocking waiting for file lock on package cache
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-9/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-9/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:a89201d6b5b9fd45c15d5952ece0a0129e7e80cb26ec023fd59cf09bc26f1604" "/opt/rustwide/cargo-home/bin/cargo" "+1.55.0" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stderr] WARNING: Your kernel does not support swap limit capabilities or the cgroup is not mounted. Memory limited without swap.
[INFO] [stdout] 3185deb3c3d6dbaae14eb959ca6c78d94f1b130fddc598ae3acfd07ae4ff34cf
[INFO] running `Command { std: "docker" "start" "-a" "3185deb3c3d6dbaae14eb959ca6c78d94f1b130fddc598ae3acfd07ae4ff34cf", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "3185deb3c3d6dbaae14eb959ca6c78d94f1b130fddc598ae3acfd07ae4ff34cf", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "3185deb3c3d6dbaae14eb959ca6c78d94f1b130fddc598ae3acfd07ae4ff34cf", kill_on_drop: false }`
[INFO] [stdout] 3185deb3c3d6dbaae14eb959ca6c78d94f1b130fddc598ae3acfd07ae4ff34cf
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-9/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-9/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=warn" "-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:a89201d6b5b9fd45c15d5952ece0a0129e7e80cb26ec023fd59cf09bc26f1604" "/opt/rustwide/cargo-home/bin/cargo" "+1.55.0" "build" "--frozen" "--message-format=json", kill_on_drop: false }`
[INFO] [stderr] WARNING: Your kernel does not support swap limit capabilities or the cgroup is not mounted. Memory limited without swap.
[INFO] [stdout] bcc89b0ebde24e21c6bae4c45cffa7ead8b26f09597ddc1d6445a9e2900088ff
[INFO] running `Command { std: "docker" "start" "-a" "bcc89b0ebde24e21c6bae4c45cffa7ead8b26f09597ddc1d6445a9e2900088ff", kill_on_drop: false }`
[INFO] [stderr]    Compiling syn v1.0.56
[INFO] [stderr]    Compiling toml v0.5.8
[INFO] [stderr]    Compiling serde_derive v1.0.118
[INFO] [stderr]    Compiling chordown v0.1.0 (/opt/rustwide/workdir)
[INFO] [stdout] warning: unused import: `Note`
[INFO] [stdout]  --> src/parse_line_chords.rs:1:41
[INFO] [stdout]   |
[INFO] [stdout] 1 | use crate::chords::{parse_chord, Chord, Note};
[INFO] [stdout]   |                                         ^^^^
[INFO] [stdout]   |
[INFO] [stdout]   = note: `#[warn(unused_imports)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: function is never used: `parse_chord`
[INFO] [stdout]   --> src/chords.rs:66:8
[INFO] [stdout]    |
[INFO] [stdout] 66 | pub fn parse_chord(chord: &str) -> Option<Chord> {
[INFO] [stdout]    |        ^^^^^^^^^^^
[INFO] [stdout]    |
[INFO] [stdout]    = note: `#[warn(dead_code)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: function is never used: `parse_line_chords`
[INFO] [stdout]  --> src/parse_line_chords.rs:3:4
[INFO] [stdout]   |
[INFO] [stdout] 3 | fn parse_line_chords(line: &str) -> Option<Vec<Chord>> {
[INFO] [stdout]   |    ^^^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: function is never used: `parse_line_lyrics`
[INFO] [stdout]  --> src/parse_line_lyrics.rs:1:4
[INFO] [stdout]   |
[INFO] [stdout] 1 | fn parse_line_lyrics(line: &str) -> Vec<&str> {
[INFO] [stdout]   |    ^^^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: function is never used: `parse_line_section`
[INFO] [stdout]  --> src/parse_line_section.rs:1:4
[INFO] [stdout]   |
[INFO] [stdout] 1 | fn parse_line_section(line: &str) -> &str {
[INFO] [stdout]   |    ^^^^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: struct is never constructed: `Chordown`
[INFO] [stdout]   --> src/main.rs:67:8
[INFO] [stdout]    |
[INFO] [stdout] 67 | struct Chordown {
[INFO] [stdout]    |        ^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: struct is never constructed: `Section`
[INFO] [stdout]   --> src/main.rs:84:8
[INFO] [stdout]    |
[INFO] [stdout] 84 | struct Section {
[INFO] [stdout]    |        ^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: struct is never constructed: `Line`
[INFO] [stdout]   --> src/main.rs:90:8
[INFO] [stdout]    |
[INFO] [stdout] 90 | struct Line {
[INFO] [stdout]    |        ^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: 8 warnings emitted
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 23.24s
[INFO] running `Command { std: "docker" "inspect" "bcc89b0ebde24e21c6bae4c45cffa7ead8b26f09597ddc1d6445a9e2900088ff", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "bcc89b0ebde24e21c6bae4c45cffa7ead8b26f09597ddc1d6445a9e2900088ff", kill_on_drop: false }`
[INFO] [stdout] bcc89b0ebde24e21c6bae4c45cffa7ead8b26f09597ddc1d6445a9e2900088ff
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-9/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-9/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=warn" "-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:a89201d6b5b9fd45c15d5952ece0a0129e7e80cb26ec023fd59cf09bc26f1604" "/opt/rustwide/cargo-home/bin/cargo" "+1.55.0" "test" "--frozen" "--no-run" "--message-format=json", kill_on_drop: false }`
[INFO] [stderr] WARNING: Your kernel does not support swap limit capabilities or the cgroup is not mounted. Memory limited without swap.
[INFO] [stdout] cffdfae0c7b421c1887ac7bc8cab46a9e29a27cc631afe16e4086d6a8f004572
[INFO] running `Command { std: "docker" "start" "-a" "cffdfae0c7b421c1887ac7bc8cab46a9e29a27cc631afe16e4086d6a8f004572", kill_on_drop: false }`
[INFO] [stderr]    Compiling chordown v0.1.0 (/opt/rustwide/workdir)
[INFO] [stdout] warning: struct is never constructed: `Chordown`
[INFO] [stdout]   --> src/main.rs:67:8
[INFO] [stdout]    |
[INFO] [stdout] 67 | struct Chordown {
[INFO] [stdout]    |        ^^^^^^^^
[INFO] [stdout]    |
[INFO] [stdout]    = note: `#[warn(dead_code)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: struct is never constructed: `Section`
[INFO] [stdout]   --> src/main.rs:84:8
[INFO] [stdout]    |
[INFO] [stdout] 84 | struct Section {
[INFO] [stdout]    |        ^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: struct is never constructed: `Line`
[INFO] [stdout]   --> src/main.rs:90:8
[INFO] [stdout]    |
[INFO] [stdout] 90 | struct Line {
[INFO] [stdout]    |        ^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr]     Finished test [unoptimized + debuginfo] target(s) in 2.58s
[INFO] [stdout] warning: 3 warnings emitted
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] running `Command { std: "docker" "inspect" "cffdfae0c7b421c1887ac7bc8cab46a9e29a27cc631afe16e4086d6a8f004572", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "cffdfae0c7b421c1887ac7bc8cab46a9e29a27cc631afe16e4086d6a8f004572", kill_on_drop: false }`
[INFO] [stdout] cffdfae0c7b421c1887ac7bc8cab46a9e29a27cc631afe16e4086d6a8f004572
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-9/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-9/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=warn" "-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:a89201d6b5b9fd45c15d5952ece0a0129e7e80cb26ec023fd59cf09bc26f1604" "/opt/rustwide/cargo-home/bin/cargo" "+1.55.0" "test" "--frozen", kill_on_drop: false }`
[INFO] [stdout] a298e1eb796d45a8ef76b31ecdb50641e959d27b9afd28d7af81b8466b1dd54f
[INFO] [stderr] WARNING: Your kernel does not support swap limit capabilities or the cgroup is not mounted. Memory limited without swap.
[INFO] running `Command { std: "docker" "start" "-a" "a298e1eb796d45a8ef76b31ecdb50641e959d27b9afd28d7af81b8466b1dd54f", kill_on_drop: false }`
[INFO] [stderr] warning: struct is never constructed: `Chordown`
[INFO] [stderr]   --> src/main.rs:67:8
[INFO] [stderr]    |
[INFO] [stderr] 67 | struct Chordown {
[INFO] [stderr]    |        ^^^^^^^^
[INFO] [stderr]    |
[INFO] [stderr]    = note: `#[warn(dead_code)]` on by default
[INFO] [stderr] 
[INFO] [stderr] warning: struct is never constructed: `Section`
[INFO] [stderr]   --> src/main.rs:84:8
[INFO] [stderr]    |
[INFO] [stderr] 84 | struct Section {
[INFO] [stderr]    |        ^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: struct is never constructed: `Line`
[INFO] [stderr]   --> src/main.rs:90:8
[INFO] [stderr]    |
[INFO] [stderr] 90 | struct Line {
[INFO] [stderr]    |        ^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: `chordown` (bin "chordown" test) generated 3 warnings
[INFO] [stderr]     Finished test [unoptimized + debuginfo] target(s) in 0.04s
[INFO] [stderr]      Running unittests (/opt/rustwide/target/debug/deps/chordown-d1f038a5c5f2db7b)
[INFO] [stdout] 
[INFO] [stdout] running 6 tests
[INFO] [stdout] test parse_line_section::tests::test_parse_line_section ... ok
[INFO] [stdout] test parse_line_lyrics::tests::test_parse_line_lyrics_correct_length ... ok
[INFO] [stdout] test parse_line_chords::tests::test_parse_line_chords_fails_on_invalid_input ... ok
[INFO] [stdout] test chords::tests::test_fails_to_parse_invalid_chords ... ok
[INFO] [stdout] test parse_line_chords::tests::test_parse_line_chords ... ok
[INFO] [stdout] test chords::tests::test_parse_chord ... ok
[INFO] [stdout] 
[INFO] [stdout] test result: ok. 6 passed; 0 failed; 0 ignored; 0 measured; 0 filtered out; finished in 0.03s
[INFO] [stdout] 
[INFO] running `Command { std: "docker" "inspect" "a298e1eb796d45a8ef76b31ecdb50641e959d27b9afd28d7af81b8466b1dd54f", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "a298e1eb796d45a8ef76b31ecdb50641e959d27b9afd28d7af81b8466b1dd54f", kill_on_drop: false }`
[INFO] [stdout] a298e1eb796d45a8ef76b31ecdb50641e959d27b9afd28d7af81b8466b1dd54f