[INFO] fetching crate benvolio 0.1.0...
[INFO] testing benvolio-0.1.0 against 1.55.0 for beta-1.56-1
[INFO] extracting crate benvolio 0.1.0 into /workspace/builds/worker-62/source
[INFO] validating manifest of crates.io crate benvolio 0.1.0 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 benvolio 0.1.0
[INFO] finished tweaking crates.io crate benvolio 0.1.0
[INFO] tweaked toml for crates.io crate benvolio 0.1.0 written to /workspace/builds/worker-62/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] [stderr]     Blocking waiting for file lock on package cache
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+1.55.0" "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] [stderr]  Downloading crates ...
[INFO] [stderr]   Downloaded serde_json v1.0.67
[INFO] [stderr]   Downloaded itoa v0.4.8
[INFO] [stderr]   Downloaded trybuild v1.0.45
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-62/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-62/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] 3ec340de33436c79454dd09ccbf3edbf15955c1b05bad324392c0fc39f05dcd6
[INFO] running `Command { std: "docker" "start" "-a" "3ec340de33436c79454dd09ccbf3edbf15955c1b05bad324392c0fc39f05dcd6", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "3ec340de33436c79454dd09ccbf3edbf15955c1b05bad324392c0fc39f05dcd6", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "3ec340de33436c79454dd09ccbf3edbf15955c1b05bad324392c0fc39f05dcd6", kill_on_drop: false }`
[INFO] [stdout] 3ec340de33436c79454dd09ccbf3edbf15955c1b05bad324392c0fc39f05dcd6
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-62/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-62/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] 8560bae6786fc0e85f763dc5065dfa2b2d2b0b4cb04ac24f47af8f86be37edc8
[INFO] running `Command { std: "docker" "start" "-a" "8560bae6786fc0e85f763dc5065dfa2b2d2b0b4cb04ac24f47af8f86be37edc8", kill_on_drop: false }`
[INFO] [stderr]    Compiling syn v1.0.76
[INFO] [stderr]    Compiling benvolio v0.1.0 (/opt/rustwide/workdir)
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 6.35s
[INFO] running `Command { std: "docker" "inspect" "8560bae6786fc0e85f763dc5065dfa2b2d2b0b4cb04ac24f47af8f86be37edc8", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "8560bae6786fc0e85f763dc5065dfa2b2d2b0b4cb04ac24f47af8f86be37edc8", kill_on_drop: false }`
[INFO] [stdout] 8560bae6786fc0e85f763dc5065dfa2b2d2b0b4cb04ac24f47af8f86be37edc8
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-62/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-62/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] 028835ea487c064fbc653855111b2e9bfa0c1ccedbdbb8ca2bc79c94f9e1c403
[INFO] running `Command { std: "docker" "start" "-a" "028835ea487c064fbc653855111b2e9bfa0c1ccedbdbb8ca2bc79c94f9e1c403", kill_on_drop: false }`
[INFO] [stderr]    Compiling trybuild v1.0.45
[INFO] [stderr]    Compiling termcolor v1.1.2
[INFO] [stderr]    Compiling serde_derive v1.0.130
[INFO] [stderr]    Compiling serde v1.0.130
[INFO] [stderr]    Compiling serde_json v1.0.67
[INFO] [stderr]    Compiling toml v0.5.8
[INFO] [stderr]    Compiling benvolio v0.1.0 (/opt/rustwide/workdir)
[INFO] [stderr]     Finished test [unoptimized + debuginfo] target(s) in 17.53s
[INFO] running `Command { std: "docker" "inspect" "028835ea487c064fbc653855111b2e9bfa0c1ccedbdbb8ca2bc79c94f9e1c403", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "028835ea487c064fbc653855111b2e9bfa0c1ccedbdbb8ca2bc79c94f9e1c403", kill_on_drop: false }`
[INFO] [stdout] 028835ea487c064fbc653855111b2e9bfa0c1ccedbdbb8ca2bc79c94f9e1c403
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-62/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-62/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] cc1258a524d8d576250d170e5c43a1ea9723d69db6b59d7da72a15e052a91e67
[INFO] running `Command { std: "docker" "start" "-a" "cc1258a524d8d576250d170e5c43a1ea9723d69db6b59d7da72a15e052a91e67", kill_on_drop: false }`
[INFO] [stderr]     Finished test [unoptimized + debuginfo] target(s) in 0.04s
[INFO] [stderr]      Running unittests (/opt/rustwide/target/debug/deps/benvolio-f262366c1a2478f9)
[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 benvolio
[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" "cc1258a524d8d576250d170e5c43a1ea9723d69db6b59d7da72a15e052a91e67", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "cc1258a524d8d576250d170e5c43a1ea9723d69db6b59d7da72a15e052a91e67", kill_on_drop: false }`
[INFO] [stdout] cc1258a524d8d576250d170e5c43a1ea9723d69db6b59d7da72a15e052a91e67