[INFO] fetching crate what-bump 1.2.0...
[INFO] testing what-bump-1.2.0 against 1.55.0 for beta-1.56-1
[INFO] extracting crate what-bump 1.2.0 into /workspace/builds/worker-7/source
[INFO] validating manifest of crates.io crate what-bump 1.2.0 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 what-bump 1.2.0
[INFO] finished tweaking crates.io crate what-bump 1.2.0
[INFO] tweaked toml for crates.io crate what-bump 1.2.0 written to /workspace/builds/worker-7/source/Cargo.toml
[INFO] crate crates.io crate what-bump 1.2.0 already has a lockfile, it will not be regenerated
[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 globset v0.4.5
[INFO] [stderr]   Downloaded simple-error v0.2.1
[INFO] [stderr]   Downloaded globwalk v0.7.3
[INFO] [stderr]   Downloaded ignore v0.4.13
[INFO] [stderr]   Downloaded tera v1.1.0
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-7/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-7/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] fd7a92d321d675737f6737ee26e71954d083c0a9754b231b46ddf077a170eeaf
[INFO] running `Command { std: "docker" "start" "-a" "fd7a92d321d675737f6737ee26e71954d083c0a9754b231b46ddf077a170eeaf", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "fd7a92d321d675737f6737ee26e71954d083c0a9754b231b46ddf077a170eeaf", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "fd7a92d321d675737f6737ee26e71954d083c0a9754b231b46ddf077a170eeaf", kill_on_drop: false }`
[INFO] [stdout] fd7a92d321d675737f6737ee26e71954d083c0a9754b231b46ddf077a170eeaf
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-7/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-7/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] a1537d5c1ff0b7bb817221af5e750d10153aac20982da5b77264b4e60e292608
[INFO] running `Command { std: "docker" "start" "-a" "a1537d5c1ff0b7bb817221af5e750d10153aac20982da5b77264b4e60e292608", kill_on_drop: false }`
[INFO] [stderr]    Compiling libc v0.2.68
[INFO] [stderr]    Compiling autocfg v1.0.0
[INFO] [stderr]    Compiling syn v1.0.17
[INFO] [stderr]    Compiling version_check v0.9.1
[INFO] [stderr]    Compiling log v0.4.8
[INFO] [stderr]    Compiling regex-syntax v0.6.17
[INFO] [stderr]    Compiling serde v1.0.105
[INFO] [stderr]    Compiling fnv v1.0.6
[INFO] [stderr]    Compiling maplit v1.0.2
[INFO] [stderr]    Compiling ryu v1.0.3
[INFO] [stderr]    Compiling smallvec v1.2.0
[INFO] [stderr]    Compiling unicode-width v0.1.7
[INFO] [stderr]    Compiling itoa v0.4.5
[INFO] [stderr]    Compiling vec_map v0.8.1
[INFO] [stderr]    Compiling lazy_static v0.2.11
[INFO] [stderr]    Compiling simple-error v0.2.1
[INFO] [stderr]    Compiling fallible-iterator v0.2.0
[INFO] [stderr]    Compiling walkdir v2.3.1
[INFO] [stderr]    Compiling unreachable v1.0.0
[INFO] [stderr]    Compiling aho-corasick v0.7.10
[INFO] [stderr]    Compiling bstr v0.2.12
[INFO] [stderr]    Compiling pest_meta v2.1.3
[INFO] [stderr]    Compiling thread_local v0.3.4
[INFO] [stderr]    Compiling textwrap v0.11.0
[INFO] [stderr]    Compiling unicode-normalization v0.1.12
[INFO] [stderr]    Compiling proc-macro-error-attr v0.4.12
[INFO] [stderr]    Compiling proc-macro-error v0.4.12
[INFO] [stderr]    Compiling crossbeam-utils v0.7.2
[INFO] [stderr]    Compiling num-traits v0.2.11
[INFO] [stderr]    Compiling num-integer v0.1.42
[INFO] [stderr]    Compiling jobserver v0.1.21
[INFO] [stderr]    Compiling atty v0.2.11
[INFO] [stderr]    Compiling time v0.1.42
[INFO] [stderr]    Compiling clap v2.33.0
[INFO] [stderr]    Compiling cc v1.0.50
[INFO] [stderr]    Compiling idna v0.2.0
[INFO] [stderr]    Compiling url v2.1.1
[INFO] [stderr]    Compiling libz-sys v1.0.25
[INFO] [stderr]    Compiling libgit2-sys v0.10.0
[INFO] [stderr]    Compiling chrono v0.4.11
[INFO] [stderr]    Compiling crossbeam-channel v0.4.2
[INFO] [stderr]    Compiling regex v1.3.6
[INFO] [stderr]    Compiling stderrlog v0.4.3
[INFO] [stderr]    Compiling syn-mid v0.5.0
[INFO] [stderr]    Compiling pest_generator v2.1.3
[INFO] [stderr]    Compiling globset v0.4.5
[INFO] [stderr]    Compiling git2 v0.11.0
[INFO] [stderr]    Compiling ignore v0.4.13
[INFO] [stderr]    Compiling serde_derive v1.0.105
[INFO] [stderr]    Compiling pest_derive v2.1.0
[INFO] [stderr]    Compiling globwalk v0.7.3
[INFO] [stderr]    Compiling structopt-derive v0.4.5
[INFO] [stderr]    Compiling structopt v0.3.12
[INFO] [stderr]    Compiling serde_json v1.0.48
[INFO] [stderr]    Compiling tera v1.1.0
[INFO] [stderr]    Compiling what-bump v1.2.0 (/opt/rustwide/workdir)
[INFO] [stdout] warning: unused import: `semver::Version`
[INFO] [stdout]   --> src/changelog.rs:11:5
[INFO] [stdout]    |
[INFO] [stdout] 11 | use semver::Version;
[INFO] [stdout]    |     ^^^^^^^^^^^^^^^
[INFO] [stdout]    |
[INFO] [stdout]    = note: `#[warn(unused_imports)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: 1 warning emitted
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 1m 10s
[INFO] running `Command { std: "docker" "inspect" "a1537d5c1ff0b7bb817221af5e750d10153aac20982da5b77264b4e60e292608", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "a1537d5c1ff0b7bb817221af5e750d10153aac20982da5b77264b4e60e292608", kill_on_drop: false }`
[INFO] [stdout] a1537d5c1ff0b7bb817221af5e750d10153aac20982da5b77264b4e60e292608
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-7/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-7/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] ba97a361b047ea3a4c8129fa9ab9e8981fb4f00c39771758433312c1cbde11eb
[INFO] running `Command { std: "docker" "start" "-a" "ba97a361b047ea3a4c8129fa9ab9e8981fb4f00c39771758433312c1cbde11eb", kill_on_drop: false }`
[INFO] [stderr]     Blocking waiting for file lock on package cache
[INFO] [stderr]    Compiling what-bump v1.2.0 (/opt/rustwide/workdir)
[INFO] [stdout] warning: unused import: `semver::Version`
[INFO] [stdout]   --> src/changelog.rs:11:5
[INFO] [stdout]    |
[INFO] [stdout] 11 | use semver::Version;
[INFO] [stdout]    |     ^^^^^^^^^^^^^^^
[INFO] [stdout]    |
[INFO] [stdout]    = note: `#[warn(unused_imports)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: 1 warning emitted
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr]     Finished test [unoptimized + debuginfo] target(s) in 3.99s
[INFO] running `Command { std: "docker" "inspect" "ba97a361b047ea3a4c8129fa9ab9e8981fb4f00c39771758433312c1cbde11eb", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "ba97a361b047ea3a4c8129fa9ab9e8981fb4f00c39771758433312c1cbde11eb", kill_on_drop: false }`
[INFO] [stdout] ba97a361b047ea3a4c8129fa9ab9e8981fb4f00c39771758433312c1cbde11eb
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-7/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-7/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] 31e35106479138be02e12eae386bee982a97934da53fd028a2108c8ae17b9851
[INFO] running `Command { std: "docker" "start" "-a" "31e35106479138be02e12eae386bee982a97934da53fd028a2108c8ae17b9851", kill_on_drop: false }`
[INFO] [stderr] warning: unused import: `semver::Version`
[INFO] [stderr]   --> src/changelog.rs:11:5
[INFO] [stderr]    |
[INFO] [stderr] 11 | use semver::Version;
[INFO] [stderr]    |     ^^^^^^^^^^^^^^^
[INFO] [stderr]    |
[INFO] [stderr]    = note: `#[warn(unused_imports)]` on by default
[INFO] [stderr] 
[INFO] [stderr] warning: `what-bump` (bin "what-bump" test) generated 1 warning
[INFO] [stderr]     Finished test [unoptimized + debuginfo] target(s) in 0.08s
[INFO] [stdout] 
[INFO] [stderr]      Running unittests (/opt/rustwide/target/debug/deps/what_bump-e64caf2e4293fe13)
[INFO] [stdout] running 1 test
[INFO] [stdout] test bumping::test::test_parse_commit_messages ... ok
[INFO] [stdout] 
[INFO] [stdout] test result: ok. 1 passed; 0 failed; 0 ignored; 0 measured; 0 filtered out; finished in 0.00s
[INFO] [stdout] 
[INFO] running `Command { std: "docker" "inspect" "31e35106479138be02e12eae386bee982a97934da53fd028a2108c8ae17b9851", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "31e35106479138be02e12eae386bee982a97934da53fd028a2108c8ae17b9851", kill_on_drop: false }`
[INFO] [stdout] 31e35106479138be02e12eae386bee982a97934da53fd028a2108c8ae17b9851