[INFO] fetching crate exec_time 0.1.4...
[INFO] testing exec_time-0.1.4 against 1.55.0 for beta-1.56-1
[INFO] extracting crate exec_time 0.1.4 into /workspace/builds/worker-10/source
[INFO] validating manifest of crates.io crate exec_time 0.1.4 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 exec_time 0.1.4
[INFO] finished tweaking crates.io crate exec_time 0.1.4
[INFO] tweaked toml for crates.io crate exec_time 0.1.4 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] [stderr]  Downloading crates ...
[INFO] [stderr]   Downloaded darling_macro v0.9.0
[INFO] [stderr]   Downloaded darling_core v0.9.0
[INFO] [stderr]   Downloaded strsim v0.7.0
[INFO] [stderr]   Downloaded darling v0.9.0
[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] e1eebc8611be485155f0993dcdb66c93eef5f96b1c667887cfe37674fcf7ef40
[INFO] running `Command { std: "docker" "start" "-a" "e1eebc8611be485155f0993dcdb66c93eef5f96b1c667887cfe37674fcf7ef40", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "e1eebc8611be485155f0993dcdb66c93eef5f96b1c667887cfe37674fcf7ef40", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "e1eebc8611be485155f0993dcdb66c93eef5f96b1c667887cfe37674fcf7ef40", kill_on_drop: false }`
[INFO] [stdout] e1eebc8611be485155f0993dcdb66c93eef5f96b1c667887cfe37674fcf7ef40
[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] cda7b22a3965b41d21892d5bf1f59e179a65ff1f98cafe67ab746c89cb51528e
[INFO] running `Command { std: "docker" "start" "-a" "cda7b22a3965b41d21892d5bf1f59e179a65ff1f98cafe67ab746c89cb51528e", kill_on_drop: false }`
[INFO] [stderr]    Compiling strsim v0.7.0
[INFO] [stderr]    Compiling darling_core v0.9.0
[INFO] [stderr]    Compiling darling_macro v0.9.0
[INFO] [stderr]    Compiling darling v0.9.0
[INFO] [stderr]    Compiling exec_time v0.1.4 (/opt/rustwide/workdir)
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 7.18s
[INFO] running `Command { std: "docker" "inspect" "cda7b22a3965b41d21892d5bf1f59e179a65ff1f98cafe67ab746c89cb51528e", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "cda7b22a3965b41d21892d5bf1f59e179a65ff1f98cafe67ab746c89cb51528e", kill_on_drop: false }`
[INFO] [stdout] cda7b22a3965b41d21892d5bf1f59e179a65ff1f98cafe67ab746c89cb51528e
[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] 2a73e91dd987a092ddbb0a25535a88fdbd6232d7cc4f10984f6ba058a4ae63e1
[INFO] running `Command { std: "docker" "start" "-a" "2a73e91dd987a092ddbb0a25535a88fdbd6232d7cc4f10984f6ba058a4ae63e1", kill_on_drop: false }`
[INFO] [stderr]    Compiling exec_time v0.1.4 (/opt/rustwide/workdir)
[INFO] [stderr]     Finished test [unoptimized + debuginfo] target(s) in 0.33s
[INFO] running `Command { std: "docker" "inspect" "2a73e91dd987a092ddbb0a25535a88fdbd6232d7cc4f10984f6ba058a4ae63e1", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "2a73e91dd987a092ddbb0a25535a88fdbd6232d7cc4f10984f6ba058a4ae63e1", kill_on_drop: false }`
[INFO] [stdout] 2a73e91dd987a092ddbb0a25535a88fdbd6232d7cc4f10984f6ba058a4ae63e1
[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] 730452401a086b6e85d0a0ac7e94b9f0aedf1bba4276b677c4ede6e129c60b17
[INFO] running `Command { std: "docker" "start" "-a" "730452401a086b6e85d0a0ac7e94b9f0aedf1bba4276b677c4ede6e129c60b17", kill_on_drop: false }`
[INFO] [stderr]     Finished test [unoptimized + debuginfo] target(s) in 0.01s
[INFO] [stderr]      Running unittests (/opt/rustwide/target/debug/deps/exec_time-c0a91c18c42c6f23)
[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] [stderr]    Doc-tests exec_time
[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" "730452401a086b6e85d0a0ac7e94b9f0aedf1bba4276b677c4ede6e129c60b17", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "730452401a086b6e85d0a0ac7e94b9f0aedf1bba4276b677c4ede6e129c60b17", kill_on_drop: false }`
[INFO] [stdout] 730452401a086b6e85d0a0ac7e94b9f0aedf1bba4276b677c4ede6e129c60b17