[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] cc895bbb958a5412048ec83b45a72f5ea5c40362
[INFO] testing shff/combinators against try#ecabaf78506b7a4668d42dc20268c086b93f0fad for pr-87041
[INFO] running `Command { std: "git" "clone" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fshff%2Fcombinators" "/workspace/builds/worker-8/source", kill_on_drop: false }`
[INFO] [stderr] Cloning into '/workspace/builds/worker-8/source'...
[INFO] [stderr] done.
[INFO] validating manifest of git repo https://github.com/shff/combinators on toolchain ecabaf78506b7a4668d42dc20268c086b93f0fad
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+ecabaf78506b7a4668d42dc20268c086b93f0fad" "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-8/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" "+ecabaf78506b7a4668d42dc20268c086b93f0fad" "fetch" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-8/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-8/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@sha256:34b6a614d2c27851fe6cbf88fbd1137609cefab8b10d0615aaeb6fd47975d74e" "/opt/rustwide/cargo-home/bin/cargo" "+ecabaf78506b7a4668d42dc20268c086b93f0fad" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] 9d1ea1ad6a5d87d9400b2f4daf2b5e2e40af838bab355415035b8e1f832e8e0a
[INFO] running `Command { std: "docker" "start" "-a" "9d1ea1ad6a5d87d9400b2f4daf2b5e2e40af838bab355415035b8e1f832e8e0a", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "9d1ea1ad6a5d87d9400b2f4daf2b5e2e40af838bab355415035b8e1f832e8e0a", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "9d1ea1ad6a5d87d9400b2f4daf2b5e2e40af838bab355415035b8e1f832e8e0a", kill_on_drop: false }`
[INFO] [stdout] 9d1ea1ad6a5d87d9400b2f4daf2b5e2e40af838bab355415035b8e1f832e8e0a
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-8/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-8/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" "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@sha256:34b6a614d2c27851fe6cbf88fbd1137609cefab8b10d0615aaeb6fd47975d74e" "/opt/rustwide/cargo-home/bin/cargo" "+ecabaf78506b7a4668d42dc20268c086b93f0fad" "build" "--frozen" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] a839f9f709436a7bd0570ebabfbea0047745b030e74c50cf10419e6b5ce9c2c3
[INFO] running `Command { std: "docker" "start" "-a" "a839f9f709436a7bd0570ebabfbea0047745b030e74c50cf10419e6b5ce9c2c3", kill_on_drop: false }`
[INFO] [stderr]    Compiling tangl v0.1.0 (/opt/rustwide/workdir)
[INFO] [stdout] warning: function is never used: `left`
[INFO] [stdout]   --> src/lib.rs:73:4
[INFO] [stdout]    |
[INFO] [stdout] 73 | fn left<'a, A, B, X, Y>(a: A, b: B) -> impl Fn(&'a str) -> ParseResult<X>
[INFO] [stdout]    |    ^^^^
[INFO] [stdout]    |
[INFO] [stdout]    = note: `#[warn(dead_code)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: function is never used: `many`
[INFO] [stdout]    --> src/lib.rs:138:4
[INFO] [stdout]     |
[INFO] [stdout] 138 | fn many<'a, P, R>(p: P) -> impl Fn(&'a str) -> ParseResult<Vec<R>>
[INFO] [stdout]     |    ^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: 2 warnings emitted
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 0.25s
[INFO] running `Command { std: "docker" "inspect" "a839f9f709436a7bd0570ebabfbea0047745b030e74c50cf10419e6b5ce9c2c3", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "a839f9f709436a7bd0570ebabfbea0047745b030e74c50cf10419e6b5ce9c2c3", kill_on_drop: false }`
[INFO] [stdout] a839f9f709436a7bd0570ebabfbea0047745b030e74c50cf10419e6b5ce9c2c3
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-8/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-8/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" "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@sha256:34b6a614d2c27851fe6cbf88fbd1137609cefab8b10d0615aaeb6fd47975d74e" "/opt/rustwide/cargo-home/bin/cargo" "+ecabaf78506b7a4668d42dc20268c086b93f0fad" "test" "--frozen" "--no-run" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] 9254eee5f0d50c625814aa78564f38432094ca75fb4eb6230819c6f16fcd2dbb
[INFO] running `Command { std: "docker" "start" "-a" "9254eee5f0d50c625814aa78564f38432094ca75fb4eb6230819c6f16fcd2dbb", kill_on_drop: false }`
[INFO] [stdout] warning: function is never used: `left`
[INFO] [stdout]   --> src/lib.rs:73:4
[INFO] [stdout]    |
[INFO] [stdout] 73 | fn left<'a, A, B, X, Y>(a: A, b: B) -> impl Fn(&'a str) -> ParseResult<X>
[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: `many`
[INFO] [stdout]    --> src/lib.rs:138:4
[INFO] [stdout]     |
[INFO] [stdout] 138 | fn many<'a, P, R>(p: P) -> impl Fn(&'a str) -> ParseResult<Vec<R>>
[INFO] [stdout]     |    ^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: 2 warnings emitted
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr]     Finished test [unoptimized + debuginfo] target(s) in 1.08s
[INFO] running `Command { std: "docker" "inspect" "9254eee5f0d50c625814aa78564f38432094ca75fb4eb6230819c6f16fcd2dbb", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "9254eee5f0d50c625814aa78564f38432094ca75fb4eb6230819c6f16fcd2dbb", kill_on_drop: false }`
[INFO] [stdout] 9254eee5f0d50c625814aa78564f38432094ca75fb4eb6230819c6f16fcd2dbb
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-8/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-8/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" "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@sha256:34b6a614d2c27851fe6cbf88fbd1137609cefab8b10d0615aaeb6fd47975d74e" "/opt/rustwide/cargo-home/bin/cargo" "+ecabaf78506b7a4668d42dc20268c086b93f0fad" "test" "--frozen", kill_on_drop: false }`
[INFO] [stdout] abb81c534fa2b05d035e6de5cb6ded0183808a1ceaecfd5e7a8cd39a5316b77d
[INFO] running `Command { std: "docker" "start" "-a" "abb81c534fa2b05d035e6de5cb6ded0183808a1ceaecfd5e7a8cd39a5316b77d", kill_on_drop: false }`
[INFO] [stderr] warning: function is never used: `left`
[INFO] [stderr]   --> src/lib.rs:73:4
[INFO] [stderr]    |
[INFO] [stderr] 73 | fn left<'a, A, B, X, Y>(a: A, b: B) -> impl Fn(&'a str) -> ParseResult<X>
[INFO] [stderr]    |    ^^^^
[INFO] [stderr]    |
[INFO] [stderr]    = note: `#[warn(dead_code)]` on by default
[INFO] [stderr] 
[INFO] [stderr] warning: function is never used: `many`
[INFO] [stderr]    --> src/lib.rs:138:4
[INFO] [stderr]     |
[INFO] [stderr] 138 | fn many<'a, P, R>(p: P) -> impl Fn(&'a str) -> ParseResult<Vec<R>>
[INFO] [stderr]     |    ^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: 2 warnings emitted
[INFO] [stderr] 
[INFO] [stderr]     Finished test [unoptimized + debuginfo] target(s) in 0.01s
[INFO] [stderr]      Running unittests (/opt/rustwide/target/debug/deps/tangl-36cea7d48aca431e)
[INFO] [stdout] 
[INFO] [stdout] running 2 tests
[INFO] [stdout] test test_combinators ... ok
[INFO] [stdout] test test_parser ... ok
[INFO] [stdout] 
[INFO] [stdout] test result: ok. 2 passed; 0 failed; 0 ignored; 0 measured; 0 filtered out; finished in 0.00s
[INFO] [stdout] 
[INFO] [stderr]    Doc-tests tangl
[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" "abb81c534fa2b05d035e6de5cb6ded0183808a1ceaecfd5e7a8cd39a5316b77d", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "abb81c534fa2b05d035e6de5cb6ded0183808a1ceaecfd5e7a8cd39a5316b77d", kill_on_drop: false }`
[INFO] [stdout] abb81c534fa2b05d035e6de5cb6ded0183808a1ceaecfd5e7a8cd39a5316b77d