[INFO] fetching crate verlib 0.1.0...
[INFO] testing verlib-0.1.0 against 1.55.0 for beta-1.56-1
[INFO] extracting crate verlib 0.1.0 into /workspace/builds/worker-16/source
[INFO] validating manifest of crates.io crate verlib 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 verlib 0.1.0
[INFO] finished tweaking crates.io crate verlib 0.1.0
[INFO] tweaked toml for crates.io crate verlib 0.1.0 written to /workspace/builds/worker-16/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-16/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-16/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] bb15062c8a866bc640ee28912061ffd6ad4ffabe70786b7eeb46dc210b3d9817
[INFO] running `Command { std: "docker" "start" "-a" "bb15062c8a866bc640ee28912061ffd6ad4ffabe70786b7eeb46dc210b3d9817", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "bb15062c8a866bc640ee28912061ffd6ad4ffabe70786b7eeb46dc210b3d9817", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "bb15062c8a866bc640ee28912061ffd6ad4ffabe70786b7eeb46dc210b3d9817", kill_on_drop: false }`
[INFO] [stdout] bb15062c8a866bc640ee28912061ffd6ad4ffabe70786b7eeb46dc210b3d9817
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-16/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-16/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] 202589a01a42b67c472483dceb3d9d50b2d98196e0383d24c1cd0cc7267cfefb
[INFO] running `Command { std: "docker" "start" "-a" "202589a01a42b67c472483dceb3d9d50b2d98196e0383d24c1cd0cc7267cfefb", kill_on_drop: false }`
[INFO] [stderr]     Blocking waiting for file lock on package cache
[INFO] [stderr]    Compiling verlib v0.1.0 (/opt/rustwide/workdir)
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 1.13s
[INFO] running `Command { std: "docker" "inspect" "202589a01a42b67c472483dceb3d9d50b2d98196e0383d24c1cd0cc7267cfefb", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "202589a01a42b67c472483dceb3d9d50b2d98196e0383d24c1cd0cc7267cfefb", kill_on_drop: false }`
[INFO] [stdout] 202589a01a42b67c472483dceb3d9d50b2d98196e0383d24c1cd0cc7267cfefb
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-16/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-16/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] e13a0388332be03bada48f07bbae7d418f270796904ee4a773def76f6b108392
[INFO] running `Command { std: "docker" "start" "-a" "e13a0388332be03bada48f07bbae7d418f270796904ee4a773def76f6b108392", kill_on_drop: false }`
[INFO] [stderr]    Compiling verlib v0.1.0 (/opt/rustwide/workdir)
[INFO] [stderr]     Finished test [unoptimized + debuginfo] target(s) in 1.12s
[INFO] running `Command { std: "docker" "inspect" "e13a0388332be03bada48f07bbae7d418f270796904ee4a773def76f6b108392", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "e13a0388332be03bada48f07bbae7d418f270796904ee4a773def76f6b108392", kill_on_drop: false }`
[INFO] [stdout] e13a0388332be03bada48f07bbae7d418f270796904ee4a773def76f6b108392
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-16/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-16/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] 26fd7bb20fcb0649a4bfda31d4f1cad360f4b48f0422cef631f03e364b1b08cf
[INFO] running `Command { std: "docker" "start" "-a" "26fd7bb20fcb0649a4bfda31d4f1cad360f4b48f0422cef631f03e364b1b08cf", kill_on_drop: false }`
[INFO] [stderr]     Blocking waiting for file lock on package cache
[INFO] [stderr]     Finished test [unoptimized + debuginfo] target(s) in 2.78s
[INFO] [stderr]      Running unittests (/opt/rustwide/target/debug/deps/verlib-ba765b86f9b0706e)
[INFO] [stdout] 
[INFO] [stdout] running 5 tests
[INFO] [stdout] test cmp::tests::test_char_order ... ok
[INFO] [stdout] test cmp::tests::test_compare_alpha ... ok
[INFO] [stdout] test cmp::tests::test_compare_versions ... ok
[INFO] [stdout] test semver::tests::test_to_semver ... ok
[INFO] [stdout] test utils::tests::test_num_checker ... ok
[INFO] [stdout] 
[INFO] [stdout] test result: ok. 5 passed; 0 failed; 0 ignored; 0 measured; 0 filtered out; finished in 0.00s
[INFO] [stdout] 
[INFO] [stderr]    Doc-tests verlib
[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" "26fd7bb20fcb0649a4bfda31d4f1cad360f4b48f0422cef631f03e364b1b08cf", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "26fd7bb20fcb0649a4bfda31d4f1cad360f4b48f0422cef631f03e364b1b08cf", kill_on_drop: false }`
[INFO] [stdout] 26fd7bb20fcb0649a4bfda31d4f1cad360f4b48f0422cef631f03e364b1b08cf