[INFO] fetching crate argmax 0.1.0...
[INFO] testing argmax-0.1.0 against 1.59.0 for beta-1.60-1
[INFO] extracting crate argmax 0.1.0 into /workspace/builds/worker-74/source
[INFO] validating manifest of crates.io crate argmax 0.1.0 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 crates.io crate argmax 0.1.0
[INFO] finished tweaking crates.io crate argmax 0.1.0
[INFO] tweaked toml for crates.io crate argmax 0.1.0 written to /workspace/builds/worker-74/source/Cargo.toml
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+1.59.0" "generate-lockfile" "--manifest-path" "Cargo.toml" "-Zno-index-update", kill_on_drop: false }`
[INFO] [stderr]     Blocking waiting for file lock on package cache
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+1.59.0" "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-74/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-74/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] 83f159ad9b218e8486e56ae7e171fc6d105d851e180e0f040d6a605a7f03192b
[INFO] running `Command { std: "docker" "start" "-a" "83f159ad9b218e8486e56ae7e171fc6d105d851e180e0f040d6a605a7f03192b", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "83f159ad9b218e8486e56ae7e171fc6d105d851e180e0f040d6a605a7f03192b", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "83f159ad9b218e8486e56ae7e171fc6d105d851e180e0f040d6a605a7f03192b", kill_on_drop: false }`
[INFO] [stdout] 83f159ad9b218e8486e56ae7e171fc6d105d851e180e0f040d6a605a7f03192b
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-74/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-74/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] cc9fe95e0ef91c8ab4f5de83f5d6d5f636912384932829580afa24bee193d51d
[INFO] running `Command { std: "docker" "start" "-a" "cc9fe95e0ef91c8ab4f5de83f5d6d5f636912384932829580afa24bee193d51d", kill_on_drop: false }`
[INFO] [stderr]    Compiling libc v0.2.119
[INFO] [stderr]    Compiling memoffset v0.6.5
[INFO] [stderr]    Compiling nix v0.23.1
[INFO] [stderr]    Compiling argmax v0.1.0 (/opt/rustwide/workdir)
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 10.99s
[INFO] running `Command { std: "docker" "inspect" "cc9fe95e0ef91c8ab4f5de83f5d6d5f636912384932829580afa24bee193d51d", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "cc9fe95e0ef91c8ab4f5de83f5d6d5f636912384932829580afa24bee193d51d", kill_on_drop: false }`
[INFO] [stdout] cc9fe95e0ef91c8ab4f5de83f5d6d5f636912384932829580afa24bee193d51d
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-74/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-74/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] 90dff184a04fc6d7edba134a52efba576af07ac0fc528dfef0cbd05df0e34773
[INFO] running `Command { std: "docker" "start" "-a" "90dff184a04fc6d7edba134a52efba576af07ac0fc528dfef0cbd05df0e34773", kill_on_drop: false }`
[INFO] [stderr]    Compiling argmax v0.1.0 (/opt/rustwide/workdir)
[INFO] [stderr]     Finished test [unoptimized + debuginfo] target(s) in 0.92s
[INFO] running `Command { std: "docker" "inspect" "90dff184a04fc6d7edba134a52efba576af07ac0fc528dfef0cbd05df0e34773", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "90dff184a04fc6d7edba134a52efba576af07ac0fc528dfef0cbd05df0e34773", kill_on_drop: false }`
[INFO] [stdout] 90dff184a04fc6d7edba134a52efba576af07ac0fc528dfef0cbd05df0e34773
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-74/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-74/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] a6b534e69dfe073135c0c547a7902848edb48b152fb539b3f0f83542e9470437
[INFO] running `Command { std: "docker" "start" "-a" "a6b534e69dfe073135c0c547a7902848edb48b152fb539b3f0f83542e9470437", kill_on_drop: false }`
[INFO] [stderr]     Finished test [unoptimized + debuginfo] target(s) in 0.02s
[INFO] [stderr]      Running unittests (/opt/rustwide/target/debug/deps/argmax-d209fa4337ee0e9f)
[INFO] [stdout] 
[INFO] [stdout] running 1 test
[INFO] [stdout] test unix::tests::available_argument_length_is_smaller_than_experimental_limit ... ok
[INFO] [stdout] 
[INFO] [stdout] test result: ok. 1 passed; 0 failed; 0 ignored; 0 measured; 0 filtered out; finished in 1.96s
[INFO] [stdout] 
[INFO] [stderr]      Running tests/main.rs (/opt/rustwide/target/debug/deps/main-8c5c8c629956a3f9)
[INFO] [stdout] 
[INFO] [stdout] running 3 tests
[INFO] [stdout] test can_execute_simple_command_with_few_arguments ... ok
[INFO] [stdout] test can_run_command_with_single_long_argument ... ok
[INFO] [stdout] test can_run_command_with_maximum_number_of_arguments ... ok
[INFO] [stdout] 
[INFO] [stdout] test result: ok. 3 passed; 0 failed; 0 ignored; 0 measured; 0 filtered out; finished in 0.41s
[INFO] [stdout] 
[INFO] [stderr]    Doc-tests argmax
[INFO] [stdout] 
[INFO] [stdout] running 1 test
[INFO] [stdout] test src/lib.rs - (line 7) ... ok
[INFO] [stdout] 
[INFO] [stdout] test result: ok. 1 passed; 0 failed; 0 ignored; 0 measured; 0 filtered out; finished in 0.63s
[INFO] [stdout] 
[INFO] running `Command { std: "docker" "inspect" "a6b534e69dfe073135c0c547a7902848edb48b152fb539b3f0f83542e9470437", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "a6b534e69dfe073135c0c547a7902848edb48b152fb539b3f0f83542e9470437", kill_on_drop: false }`
[INFO] [stdout] a6b534e69dfe073135c0c547a7902848edb48b152fb539b3f0f83542e9470437