[INFO] fetching crate which 4.2.2...
[INFO] testing which-4.2.2 against 1.55.0 for beta-1.56-1
[INFO] extracting crate which 4.2.2 into /workspace/builds/worker-10/source
[INFO] validating manifest of crates.io crate which 4.2.2 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 crates.io crate which 4.2.2
[INFO] finished tweaking crates.io crate which 4.2.2
[INFO] tweaked toml for crates.io crate which 4.2.2 written to /workspace/builds/worker-10/source/Cargo.toml
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+1.55.0" "generate-lockfile" "--manifest-path" "Cargo.toml" "-Zno-index-update", kill_on_drop: false }`
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+1.55.0" "fetch" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-10/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-10/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] [stdout] 49a9d31b7a7f8bb34c9b44104b788a6c9a81905335257e1b90263c7db759f6b0
[INFO] running `Command { std: "docker" "start" "-a" "49a9d31b7a7f8bb34c9b44104b788a6c9a81905335257e1b90263c7db759f6b0", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "49a9d31b7a7f8bb34c9b44104b788a6c9a81905335257e1b90263c7db759f6b0", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "49a9d31b7a7f8bb34c9b44104b788a6c9a81905335257e1b90263c7db759f6b0", kill_on_drop: false }`
[INFO] [stdout] 49a9d31b7a7f8bb34c9b44104b788a6c9a81905335257e1b90263c7db759f6b0
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-10/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-10/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] [stdout] 1cdb2dee575eeddb5d0a41f96c1d89e9f04bf36abb49b939a3c856a38e6e54a7
[INFO] running `Command { std: "docker" "start" "-a" "1cdb2dee575eeddb5d0a41f96c1d89e9f04bf36abb49b939a3c856a38e6e54a7", kill_on_drop: false }`
[INFO] [stderr]    Compiling which v4.2.2 (/opt/rustwide/workdir)
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 0.48s
[INFO] running `Command { std: "docker" "inspect" "1cdb2dee575eeddb5d0a41f96c1d89e9f04bf36abb49b939a3c856a38e6e54a7", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "1cdb2dee575eeddb5d0a41f96c1d89e9f04bf36abb49b939a3c856a38e6e54a7", kill_on_drop: false }`
[INFO] [stdout] 1cdb2dee575eeddb5d0a41f96c1d89e9f04bf36abb49b939a3c856a38e6e54a7
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-10/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-10/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] [stdout] d639fb22adb9c7043e8600611a0754df293bcb791904238a6badf64cff3118bf
[INFO] running `Command { std: "docker" "start" "-a" "d639fb22adb9c7043e8600611a0754df293bcb791904238a6badf64cff3118bf", kill_on_drop: false }`
[INFO] [stderr]    Compiling rand v0.4.6
[INFO] [stderr]    Compiling tempdir v0.3.7
[INFO] [stderr]    Compiling which v4.2.2 (/opt/rustwide/workdir)
[INFO] [stderr]     Finished test [unoptimized + debuginfo] target(s) in 2.54s
[INFO] running `Command { std: "docker" "inspect" "d639fb22adb9c7043e8600611a0754df293bcb791904238a6badf64cff3118bf", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "d639fb22adb9c7043e8600611a0754df293bcb791904238a6badf64cff3118bf", kill_on_drop: false }`
[INFO] [stdout] d639fb22adb9c7043e8600611a0754df293bcb791904238a6badf64cff3118bf
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-10/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-10/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] f304bffe1e7e082a751d4302890c3c222efc823ae996f80477cc824a0d41f5cb
[INFO] running `Command { std: "docker" "start" "-a" "f304bffe1e7e082a751d4302890c3c222efc823ae996f80477cc824a0d41f5cb", kill_on_drop: false }`
[INFO] [stderr]     Finished test [unoptimized + debuginfo] target(s) in 0.04s
[INFO] [stderr]      Running unittests (/opt/rustwide/target/debug/deps/which-ac963b0bb81035f3)
[INFO] [stdout] 
[INFO] [stderr]      Running tests/basic.rs (/opt/rustwide/target/debug/deps/basic-9387b3e015fd1d85)
[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] [stdout] 
[INFO] [stdout] running 15 tests
[INFO] [stdout] test it_works ... ok
[INFO] [stdout] test test_which_all ... ok
[INFO] [stdout] test test_which ... ok
[INFO] [stdout] test test_which_extension ... ok
[INFO] [stdout] test test_which_absolute_extension ... ok
[INFO] [stderr]    Doc-tests which
[INFO] [stdout] test test_which_absolute_non_executable ... ok
[INFO] [stdout] test test_failure ... ok
[INFO] [stdout] test test_which_relative ... ok
[INFO] [stdout] test test_which_second ... ok
[INFO] [stdout] test test_which_relative_extension ... ok
[INFO] [stdout] test test_which_non_executable ... ok
[INFO] [stdout] test test_which_not_found ... ok
[INFO] [stdout] test test_which_absolute ... ok
[INFO] [stdout] test test_which_relative_non_executable ... ok
[INFO] [stdout] test test_which_relative_leading_dot ... ok
[INFO] [stdout] 
[INFO] [stdout] test result: ok. 15 passed; 0 failed; 0 ignored; 0 measured; 0 filtered out; finished in 0.07s
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] running 2 tests
[INFO] [stdout] test src/lib.rs - which (line 52) - compile ... ok
[INFO] [stdout] test src/lib.rs - (line 8) - compile ... ok
[INFO] [stdout] 
[INFO] [stdout] test result: ok. 2 passed; 0 failed; 0 ignored; 0 measured; 0 filtered out; finished in 0.13s
[INFO] [stdout] 
[INFO] running `Command { std: "docker" "inspect" "f304bffe1e7e082a751d4302890c3c222efc823ae996f80477cc824a0d41f5cb", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "f304bffe1e7e082a751d4302890c3c222efc823ae996f80477cc824a0d41f5cb", kill_on_drop: false }`
[INFO] [stdout] f304bffe1e7e082a751d4302890c3c222efc823ae996f80477cc824a0d41f5cb