[INFO] fetching crate what-bump 1.2.0...
[INFO] testing what-bump-1.2.0 against 1.49.0 for beta-1.50-1
[INFO] extracting crate what-bump 1.2.0 into /workspace/builds/worker-5/source
[INFO] validating manifest of crates.io crate what-bump 1.2.0 on toolchain 1.49.0
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+1.49.0" "read-manifest" "--manifest-path" "Cargo.toml", 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-5/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" "+1.49.0" "fetch" "--locked" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-5/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-5/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" "rustops/crates-build-env@sha256:b8eeb62f26c39b23691079a6cb6de528d8e88b4d71a8f6b1d30f8ba7d9c16de9" "/opt/rustwide/cargo-home/bin/cargo" "+1.49.0" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] bd9d7344737ecb8e94d026952c3bcc78116253788515c00accb5778d60f5e2d8
[INFO] [stderr] WARNING: Your kernel does not support swap limit capabilities or the cgroup is not mounted. Memory limited without swap.
[INFO] running `Command { std: "docker" "start" "-a" "bd9d7344737ecb8e94d026952c3bcc78116253788515c00accb5778d60f5e2d8", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "bd9d7344737ecb8e94d026952c3bcc78116253788515c00accb5778d60f5e2d8", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "bd9d7344737ecb8e94d026952c3bcc78116253788515c00accb5778d60f5e2d8", kill_on_drop: false }`
[INFO] [stdout] bd9d7344737ecb8e94d026952c3bcc78116253788515c00accb5778d60f5e2d8
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-5/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-5/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" "rustops/crates-build-env@sha256:b8eeb62f26c39b23691079a6cb6de528d8e88b4d71a8f6b1d30f8ba7d9c16de9" "/opt/rustwide/cargo-home/bin/cargo" "+1.49.0" "build" "--frozen" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] be40e9cf497317f5401b268bea76e7dc1e8c65fcd7cf1b0b769e571c34b2f370
[INFO] [stderr] WARNING: Your kernel does not support swap limit capabilities or the cgroup is not mounted. Memory limited without swap.
[INFO] running `Command { std: "docker" "start" "-a" "be40e9cf497317f5401b268bea76e7dc1e8c65fcd7cf1b0b769e571c34b2f370", kill_on_drop: false }`
[INFO] [stderr]    Compiling proc-macro-error-attr v0.4.12
[INFO] [stderr]    Compiling proc-macro-error v0.4.12
[INFO] [stderr]    Compiling atty v0.2.11
[INFO] [stderr]    Compiling thread_local v0.3.4
[INFO] [stderr]    Compiling libz-sys v1.0.25
[INFO] [stderr]    Compiling syn-mid v0.5.0
[INFO] [stderr]    Compiling globset v0.4.5
[INFO] [stderr]    Compiling libgit2-sys v0.10.0
[INFO] [stderr]    Compiling pest_generator v2.1.3
[INFO] [stderr]    Compiling serde v1.0.105
[INFO] [stderr]    Compiling chrono v0.4.11
[INFO] [stderr]    Compiling clap v2.33.0
[INFO] [stderr]    Compiling ignore v0.4.13
[INFO] [stderr]    Compiling stderrlog v0.4.3
[INFO] [stderr]    Compiling globwalk v0.7.3
[INFO] [stderr]    Compiling pest_derive v2.1.0
[INFO] [stderr]    Compiling structopt-derive v0.4.5
[INFO] [stderr]    Compiling git2 v0.11.0
[INFO] [stderr]    Compiling serde_json v1.0.48
[INFO] [stderr]    Compiling structopt v0.3.12
[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 26s
[INFO] running `Command { std: "docker" "inspect" "be40e9cf497317f5401b268bea76e7dc1e8c65fcd7cf1b0b769e571c34b2f370", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "be40e9cf497317f5401b268bea76e7dc1e8c65fcd7cf1b0b769e571c34b2f370", kill_on_drop: false }`
[INFO] [stdout] be40e9cf497317f5401b268bea76e7dc1e8c65fcd7cf1b0b769e571c34b2f370
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-5/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-5/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" "rustops/crates-build-env@sha256:b8eeb62f26c39b23691079a6cb6de528d8e88b4d71a8f6b1d30f8ba7d9c16de9" "/opt/rustwide/cargo-home/bin/cargo" "+1.49.0" "test" "--frozen" "--no-run" "--message-format=json", kill_on_drop: false }`
[INFO] [stderr] WARNING: Your kernel does not support swap limit capabilities or the cgroup is not mounted. Memory limited without swap.
[INFO] [stdout] da6601831405ca10d8ffc3b09edebeed9e7e0050d60b5651fe6940ac71a539f1
[INFO] running `Command { std: "docker" "start" "-a" "da6601831405ca10d8ffc3b09edebeed9e7e0050d60b5651fe6940ac71a539f1", kill_on_drop: false }`
[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 4.57s
[INFO] running `Command { std: "docker" "inspect" "da6601831405ca10d8ffc3b09edebeed9e7e0050d60b5651fe6940ac71a539f1", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "da6601831405ca10d8ffc3b09edebeed9e7e0050d60b5651fe6940ac71a539f1", kill_on_drop: false }`
[INFO] [stdout] da6601831405ca10d8ffc3b09edebeed9e7e0050d60b5651fe6940ac71a539f1
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-5/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-5/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" "rustops/crates-build-env@sha256:b8eeb62f26c39b23691079a6cb6de528d8e88b4d71a8f6b1d30f8ba7d9c16de9" "/opt/rustwide/cargo-home/bin/cargo" "+1.49.0" "test" "--frozen", kill_on_drop: false }`
[INFO] [stderr] WARNING: Your kernel does not support swap limit capabilities or the cgroup is not mounted. Memory limited without swap.
[INFO] [stdout] df970e016b6f27ee1dfaf33aa79d7252a9ec7bc21be0ca65d6c487011bf55b41
[INFO] running `Command { std: "docker" "start" "-a" "df970e016b6f27ee1dfaf33aa79d7252a9ec7bc21be0ca65d6c487011bf55b41", kill_on_drop: false }`
[INFO] [stdout] 
[INFO] [stderr] warning: unused import: `semver::Version`
[INFO] [stdout] running 1 test
[INFO] [stderr]   --> src/changelog.rs:11:5
[INFO] [stdout] test bumping::test::test_parse_commit_messages ... ok
[INFO] [stderr]    |
[INFO] [stdout] 
[INFO] [stderr] 11 | use semver::Version;
[INFO] [stdout] test result: ok. 1 passed; 0 failed; 0 ignored; 0 measured; 0 filtered out
[INFO] [stderr]    |     ^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stderr]    |
[INFO] [stderr]    = note: `#[warn(unused_imports)]` on by default
[INFO] [stderr] 
[INFO] [stderr] warning: 1 warning emitted
[INFO] [stderr] 
[INFO] [stderr]     Finished test [unoptimized + debuginfo] target(s) in 0.16s
[INFO] [stderr]      Running /opt/rustwide/target/debug/deps/what_bump-95c3e57b56c4804e
[INFO] running `Command { std: "docker" "inspect" "df970e016b6f27ee1dfaf33aa79d7252a9ec7bc21be0ca65d6c487011bf55b41", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "df970e016b6f27ee1dfaf33aa79d7252a9ec7bc21be0ca65d6c487011bf55b41", kill_on_drop: false }`
[INFO] [stdout] df970e016b6f27ee1dfaf33aa79d7252a9ec7bc21be0ca65d6c487011bf55b41