[INFO] cloning repository https://github.com/shff/combinators
[INFO] running `Command { std: "git" "-c" "credential.helper=" "-c" "credential.helper=/workspace/cargo-home/bin/git-credential-null" "clone" "--bare" "https://github.com/shff/combinators" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fshff%2Fcombinators", kill_on_drop: false }`
[INFO] [stderr] Cloning into bare repository '/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fshff%2Fcombinators'...
[INFO] running `Command { std: "git" "rev-parse" "HEAD", kill_on_drop: false }`
[INFO] [stdout] d533808c4fbd4f51923e1aa0b27557fdf894d004
[INFO] testing shff/combinators against 1.59.0 for beta-1.60-1
[INFO] running `Command { std: "git" "clone" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fshff%2Fcombinators" "/workspace/builds/worker-13/source", kill_on_drop: false }`
[INFO] [stderr] Cloning into '/workspace/builds/worker-13/source'...
[INFO] [stderr] done.
[INFO] validating manifest of git repo https://github.com/shff/combinators on toolchain 1.59.0
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+1.59.0" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }`
[INFO] started tweaking git repo https://github.com/shff/combinators
[INFO] finished tweaking git repo https://github.com/shff/combinators
[INFO] tweaked toml for git repo https://github.com/shff/combinators written to /workspace/builds/worker-13/source/Cargo.toml
[INFO] crate git repo https://github.com/shff/combinators already has a lockfile, it will not be regenerated
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+1.59.0" "fetch" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-13/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-13/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@sha256:0cd99ca24d8e8c98e67c542213511d985b8778b5bdcbb160e038429496686047" "/opt/rustwide/cargo-home/bin/cargo" "+1.59.0" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] 0d8a0e98730441f95b6dd3233184518ab09a21ccbbfbe460ae8117d643394e46
[INFO] running `Command { std: "docker" "start" "-a" "0d8a0e98730441f95b6dd3233184518ab09a21ccbbfbe460ae8117d643394e46", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "0d8a0e98730441f95b6dd3233184518ab09a21ccbbfbe460ae8117d643394e46", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "0d8a0e98730441f95b6dd3233184518ab09a21ccbbfbe460ae8117d643394e46", kill_on_drop: false }`
[INFO] [stdout] 0d8a0e98730441f95b6dd3233184518ab09a21ccbbfbe460ae8117d643394e46
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-13/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-13/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@sha256:0cd99ca24d8e8c98e67c542213511d985b8778b5bdcbb160e038429496686047" "/opt/rustwide/cargo-home/bin/cargo" "+1.59.0" "build" "--frozen" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] c8ad912f8f1b4924ad28cbe15425a9ca8a855202da1f2744ec667eaae0eb5337
[INFO] running `Command { std: "docker" "start" "-a" "c8ad912f8f1b4924ad28cbe15425a9ca8a855202da1f2744ec667eaae0eb5337", kill_on_drop: false }`
[INFO] [stderr]    Compiling tangl v0.1.0 (/opt/rustwide/workdir)
[INFO] [stdout] warning: function is never used: `print`
[INFO] [stdout]   --> src/lib.rs:58:4
[INFO] [stdout]    |
[INFO] [stdout] 58 | fn print<'a>(t: Token<'a>) -> String {
[INFO] [stdout]    |    ^^^^^
[INFO] [stdout]    |
[INFO] [stdout]    = note: `#[warn(dead_code)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: function is never used: `left`
[INFO] [stdout]   --> src/lib.rs:84:4
[INFO] [stdout]    |
[INFO] [stdout] 84 | fn left<'a, A, B, X, Y>(a: A, b: B) -> impl Fn(&'a str) -> ParseResult<X>
[INFO] [stdout]    |    ^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: function is never used: `many`
[INFO] [stdout]    --> src/lib.rs:158:4
[INFO] [stdout]     |
[INFO] [stdout] 158 | fn many<'a, P, R>(p: P) -> impl Fn(&'a str) -> ParseResult<Vec<R>>
[INFO] [stdout]     |    ^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: 3 warnings emitted
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 0.93s
[INFO] running `Command { std: "docker" "inspect" "c8ad912f8f1b4924ad28cbe15425a9ca8a855202da1f2744ec667eaae0eb5337", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "c8ad912f8f1b4924ad28cbe15425a9ca8a855202da1f2744ec667eaae0eb5337", kill_on_drop: false }`
[INFO] [stdout] c8ad912f8f1b4924ad28cbe15425a9ca8a855202da1f2744ec667eaae0eb5337
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-13/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-13/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@sha256:0cd99ca24d8e8c98e67c542213511d985b8778b5bdcbb160e038429496686047" "/opt/rustwide/cargo-home/bin/cargo" "+1.59.0" "test" "--frozen" "--no-run" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] 1c0478305c3b5b26444bd8782a5ea9895a185f7f9479342ccb2a84d3356a2a2a
[INFO] running `Command { std: "docker" "start" "-a" "1c0478305c3b5b26444bd8782a5ea9895a185f7f9479342ccb2a84d3356a2a2a", kill_on_drop: false }`
[INFO] [stderr]     Blocking waiting for file lock on package cache
[INFO] [stdout] warning: function is never used: `print`
[INFO] [stdout]   --> src/lib.rs:58:4
[INFO] [stdout]    |
[INFO] [stdout] 58 | fn print<'a>(t: Token<'a>) -> String {
[INFO] [stdout]    |    ^^^^^
[INFO] [stdout]    |
[INFO] [stdout]    = note: `#[warn(dead_code)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr]    Compiling tangl v0.1.0 (/opt/rustwide/workdir)
[INFO] [stdout] warning: function is never used: `left`
[INFO] [stdout]   --> src/lib.rs:84:4
[INFO] [stdout]    |
[INFO] [stdout] 84 | fn left<'a, A, B, X, Y>(a: A, b: B) -> impl Fn(&'a str) -> ParseResult<X>
[INFO] [stdout]    |    ^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: function is never used: `many`
[INFO] [stdout]    --> src/lib.rs:158:4
[INFO] [stdout]     |
[INFO] [stdout] 158 | fn many<'a, P, R>(p: P) -> impl Fn(&'a str) -> ParseResult<Vec<R>>
[INFO] [stdout]     |    ^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: 3 warnings emitted
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr]     Finished test [unoptimized + debuginfo] target(s) in 1.11s
[INFO] running `Command { std: "docker" "inspect" "1c0478305c3b5b26444bd8782a5ea9895a185f7f9479342ccb2a84d3356a2a2a", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "1c0478305c3b5b26444bd8782a5ea9895a185f7f9479342ccb2a84d3356a2a2a", kill_on_drop: false }`
[INFO] [stdout] 1c0478305c3b5b26444bd8782a5ea9895a185f7f9479342ccb2a84d3356a2a2a
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-13/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-13/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@sha256:0cd99ca24d8e8c98e67c542213511d985b8778b5bdcbb160e038429496686047" "/opt/rustwide/cargo-home/bin/cargo" "+1.59.0" "test" "--frozen", kill_on_drop: false }`
[INFO] [stdout] dbdb6710cece0942eb013ae8b788ebcecadf95213ec6828efce24780362f5ee9
[INFO] running `Command { std: "docker" "start" "-a" "dbdb6710cece0942eb013ae8b788ebcecadf95213ec6828efce24780362f5ee9", kill_on_drop: false }`
[INFO] [stderr] warning: function is never used: `print`
[INFO] [stderr]   --> src/lib.rs:58:4
[INFO] [stderr]    |
[INFO] [stderr] 58 | fn print<'a>(t: Token<'a>) -> String {
[INFO] [stderr]    |    ^^^^^
[INFO] [stderr]    |
[INFO] [stderr]    = note: `#[warn(dead_code)]` on by default
[INFO] [stderr] 
[INFO] [stderr] warning: function is never used: `left`
[INFO] [stderr]   --> src/lib.rs:84:4
[INFO] [stderr]    |
[INFO] [stderr] 84 | fn left<'a, A, B, X, Y>(a: A, b: B) -> impl Fn(&'a str) -> ParseResult<X>
[INFO] [stderr]    |    ^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: function is never used: `many`
[INFO] [stderr]    --> src/lib.rs:158:4
[INFO] [stderr]     |
[INFO] [stderr] 158 | fn many<'a, P, R>(p: P) -> impl Fn(&'a str) -> ParseResult<Vec<R>>
[INFO] [stderr]     |    ^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: `tangl` (lib) generated 3 warnings
[INFO] [stderr]     Finished test [unoptimized + debuginfo] target(s) in 0.01s
[INFO] [stderr]      Running unittests (/opt/rustwide/target/debug/deps/tangl-2ca3c6e904631a50)
[INFO] [stdout] 
[INFO] [stdout] running 3 tests
[INFO] [stdout] test test_combinators ... ok
[INFO] [stderr]    Doc-tests tangl
[INFO] [stdout] test test_parser ... ok
[INFO] [stdout] test test_printer ... ok
[INFO] [stdout] 
[INFO] [stdout] test result: ok. 3 passed; 0 failed; 0 ignored; 0 measured; 0 filtered out; finished in 0.00s
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] running 0 tests
[INFO] [stdout] 
[INFO] [stdout] test result: ok. 0 passed; 0 failed; 0 ignored; 0 measured; 0 filtered out; finished in 0.00s
[INFO] [stdout] 
[INFO] running `Command { std: "docker" "inspect" "dbdb6710cece0942eb013ae8b788ebcecadf95213ec6828efce24780362f5ee9", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "dbdb6710cece0942eb013ae8b788ebcecadf95213ec6828efce24780362f5ee9", kill_on_drop: false }`
[INFO] [stdout] dbdb6710cece0942eb013ae8b788ebcecadf95213ec6828efce24780362f5ee9