[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 master#b70888601af92f6cdc0364abab3446e418b91d36 for pr-86479
[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 b70888601af92f6cdc0364abab3446e418b91d36
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+b70888601af92f6cdc0364abab3446e418b91d36" "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" "+b70888601af92f6cdc0364abab3446e418b91d36" "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@sha256:34b6a614d2c27851fe6cbf88fbd1137609cefab8b10d0615aaeb6fd47975d74e" "/opt/rustwide/cargo-home/bin/cargo" "+b70888601af92f6cdc0364abab3446e418b91d36" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] 994695efa917d34eec45e21ebe2837a904a654a76d81da12fe80aeddba9f4781
[INFO] running `Command { std: "docker" "start" "-a" "994695efa917d34eec45e21ebe2837a904a654a76d81da12fe80aeddba9f4781", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "994695efa917d34eec45e21ebe2837a904a654a76d81da12fe80aeddba9f4781", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "994695efa917d34eec45e21ebe2837a904a654a76d81da12fe80aeddba9f4781", kill_on_drop: false }`
[INFO] [stdout] 994695efa917d34eec45e21ebe2837a904a654a76d81da12fe80aeddba9f4781
[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=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" "+b70888601af92f6cdc0364abab3446e418b91d36" "build" "--frozen" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] fc4a063650ca4f33dc500b02ee622939e171b4f5b992bf30eec6ae3fea772058
[INFO] running `Command { std: "docker" "start" "-a" "fc4a063650ca4f33dc500b02ee622939e171b4f5b992bf30eec6ae3fea772058", 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 0.60s
[INFO] running `Command { std: "docker" "inspect" "fc4a063650ca4f33dc500b02ee622939e171b4f5b992bf30eec6ae3fea772058", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "fc4a063650ca4f33dc500b02ee622939e171b4f5b992bf30eec6ae3fea772058", kill_on_drop: false }`
[INFO] [stdout] fc4a063650ca4f33dc500b02ee622939e171b4f5b992bf30eec6ae3fea772058
[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=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" "+b70888601af92f6cdc0364abab3446e418b91d36" "test" "--frozen" "--no-run" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] ee0f331b112ea4106dafad406520949f6b87013ed031ac2c7c0d23767e43c144
[INFO] running `Command { std: "docker" "start" "-a" "ee0f331b112ea4106dafad406520949f6b87013ed031ac2c7c0d23767e43c144", 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 0.92s
[INFO] running `Command { std: "docker" "inspect" "ee0f331b112ea4106dafad406520949f6b87013ed031ac2c7c0d23767e43c144", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "ee0f331b112ea4106dafad406520949f6b87013ed031ac2c7c0d23767e43c144", kill_on_drop: false }`
[INFO] [stdout] ee0f331b112ea4106dafad406520949f6b87013ed031ac2c7c0d23767e43c144
[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=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" "+b70888601af92f6cdc0364abab3446e418b91d36" "test" "--frozen", kill_on_drop: false }`
[INFO] [stdout] 608cf8abd06d28710abb34a945c02286c2953f071abb67aedbdf1c4920729a51
[INFO] running `Command { std: "docker" "start" "-a" "608cf8abd06d28710abb34a945c02286c2953f071abb67aedbdf1c4920729a51", kill_on_drop: false }`
[INFO] [stdout] 
[INFO] [stderr] warning: function is never used: `left`
[INFO] [stdout] running 2 tests
[INFO] [stderr]   --> src/lib.rs:73:4
[INFO] [stdout] test test_parser ... ok
[INFO] [stderr]    |
[INFO] [stdout] test test_combinators ... ok
[INFO] [stderr] 73 | fn left<'a, A, B, X, Y>(a: A, b: B) -> impl Fn(&'a str) -> ParseResult<X>
[INFO] [stdout] 
[INFO] [stderr]    |    ^^^^
[INFO] [stdout] test result: ok. 2 passed; 0 failed; 0 ignored; 0 measured; 0 filtered out; finished in 0.00s
[INFO] [stderr]    |
[INFO] [stdout] 
[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: `tangl` (lib) generated 2 warnings
[INFO] [stderr]     Finished test [unoptimized + debuginfo] target(s) in 0.01s
[INFO] [stderr]      Running unittests (/opt/rustwide/target/debug/deps/tangl-36cea7d48aca431e)
[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" "608cf8abd06d28710abb34a945c02286c2953f071abb67aedbdf1c4920729a51", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "608cf8abd06d28710abb34a945c02286c2953f071abb67aedbdf1c4920729a51", kill_on_drop: false }`
[INFO] [stdout] 608cf8abd06d28710abb34a945c02286c2953f071abb67aedbdf1c4920729a51