[INFO] fetching crate releaser 0.4.1...
[INFO] testing releaser-0.4.1 against 1.55.0 for beta-1.56-1
[INFO] extracting crate releaser 0.4.1 into /workspace/builds/worker-1/source
[INFO] validating manifest of crates.io crate releaser 0.4.1 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 releaser 0.4.1
[INFO] finished tweaking crates.io crate releaser 0.4.1
[INFO] tweaked toml for crates.io crate releaser 0.4.1 written to /workspace/builds/worker-1/source/Cargo.toml
[INFO] crate crates.io crate releaser 0.4.1 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]     Blocking waiting for file lock on package cache
[INFO] [stderr]     Blocking waiting for file lock on package cache
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-1/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] 1a5067f33f8e0e4418940b46939ea2f7fea09e6d369de5dfea3c41d14485be8c
[INFO] running `Command { std: "docker" "start" "-a" "1a5067f33f8e0e4418940b46939ea2f7fea09e6d369de5dfea3c41d14485be8c", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "1a5067f33f8e0e4418940b46939ea2f7fea09e6d369de5dfea3c41d14485be8c", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "1a5067f33f8e0e4418940b46939ea2f7fea09e6d369de5dfea3c41d14485be8c", kill_on_drop: false }`
[INFO] [stdout] 1a5067f33f8e0e4418940b46939ea2f7fea09e6d369de5dfea3c41d14485be8c
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-1/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] b0a4057e7a717d024c4c599e5bbf229918289fac04a1e450419cafbc88ab4e30
[INFO] running `Command { std: "docker" "start" "-a" "b0a4057e7a717d024c4c599e5bbf229918289fac04a1e450419cafbc88ab4e30", kill_on_drop: false }`
[INFO] [stderr]    Compiling proc-macro2 v1.0.24
[INFO] [stderr]    Compiling unicode-xid v0.2.1
[INFO] [stderr]    Compiling syn v1.0.61
[INFO] [stderr]    Compiling libc v0.2.88
[INFO] [stderr]    Compiling serde_derive v1.0.124
[INFO] [stderr]    Compiling memchr v2.3.4
[INFO] [stderr]    Compiling void v1.0.2
[INFO] [stderr]    Compiling bitflags v1.2.1
[INFO] [stderr]    Compiling serde v1.0.124
[INFO] [stderr]    Compiling semver v1.0.4
[INFO] [stderr]    Compiling unicode-width v0.1.8
[INFO] [stderr]    Compiling either v1.6.1
[INFO] [stderr]    Compiling hashbrown v0.9.1
[INFO] [stderr]    Compiling byteorder v1.4.2
[INFO] [stderr]    Compiling ascii v0.9.3
[INFO] [stderr]    Compiling ansi_term v0.11.0
[INFO] [stderr]    Compiling strsim v0.8.0
[INFO] [stderr]    Compiling linked-hash-map v0.5.4
[INFO] [stderr]    Compiling fixedbitset v0.4.0
[INFO] [stderr]    Compiling vec_map v0.8.2
[INFO] [stderr]    Compiling ansi_term v0.12.1
[INFO] [stderr]    Compiling num-traits v0.2.14
[INFO] [stderr]    Compiling num-integer v0.1.44
[INFO] [stderr]    Compiling indexmap v1.6.2
[INFO] [stderr]    Compiling unreachable v1.0.0
[INFO] [stderr]    Compiling textwrap v0.11.0
[INFO] [stderr]    Compiling combine v3.8.1
[INFO] [stderr]    Compiling quote v1.0.9
[INFO] [stderr]    Compiling time v0.1.44
[INFO] [stderr]    Compiling atty v0.2.14
[INFO] [stderr]    Compiling petgraph v0.6.0
[INFO] [stderr]    Compiling clap v2.33.3
[INFO] [stderr]    Compiling chrono v0.4.19
[INFO] [stderr]    Compiling thiserror-impl v1.0.24
[INFO] [stderr]    Compiling toml_edit v0.2.0
[INFO] [stderr]    Compiling thiserror v1.0.24
[INFO] [stderr]    Compiling vfs v0.5.0
[INFO] [stderr]    Compiling toml v0.5.8
[INFO] [stderr]    Compiling releaser v0.4.1 (/opt/rustwide/workdir)
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 24.88s
[INFO] running `Command { std: "docker" "inspect" "b0a4057e7a717d024c4c599e5bbf229918289fac04a1e450419cafbc88ab4e30", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "b0a4057e7a717d024c4c599e5bbf229918289fac04a1e450419cafbc88ab4e30", kill_on_drop: false }`
[INFO] [stdout] b0a4057e7a717d024c4c599e5bbf229918289fac04a1e450419cafbc88ab4e30
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-1/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] a5ac05cba424b18a045abd1c6d7cc1fbf7674221d08676770d01e1b407e90b85
[INFO] running `Command { std: "docker" "start" "-a" "a5ac05cba424b18a045abd1c6d7cc1fbf7674221d08676770d01e1b407e90b85", kill_on_drop: false }`
[INFO] [stderr]     Blocking waiting for file lock on package cache
[INFO] [stderr]    Compiling releaser v0.4.1 (/opt/rustwide/workdir)
[INFO] [stderr]     Finished test [unoptimized + debuginfo] target(s) in 33.81s
[INFO] running `Command { std: "docker" "inspect" "a5ac05cba424b18a045abd1c6d7cc1fbf7674221d08676770d01e1b407e90b85", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "a5ac05cba424b18a045abd1c6d7cc1fbf7674221d08676770d01e1b407e90b85", kill_on_drop: false }`
[INFO] [stdout] a5ac05cba424b18a045abd1c6d7cc1fbf7674221d08676770d01e1b407e90b85
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-1/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] 26cfd0174efa39032e2abf20a190159b9c98820cc0374adc6598cd5719175967
[INFO] running `Command { std: "docker" "start" "-a" "26cfd0174efa39032e2abf20a190159b9c98820cc0374adc6598cd5719175967", kill_on_drop: false }`
[INFO] [stderr]     Finished test [unoptimized + debuginfo] target(s) in 0.18s
[INFO] [stderr]      Running unittests (/opt/rustwide/target/debug/deps/releaser-ca26ef6e11046f45)
[INFO] [stdout] 
[INFO] [stdout] running 8 tests
[INFO] [stdout] test tests::toml_parse_crate ... ok
[INFO] [stdout] test tests::update_workspace_minor_test ... ok
[INFO] [stdout] test tests::toml_parse_workspace ... ok
[INFO] [stdout] test tests::read_workspace_test ... ok
[INFO] [stdout] test tests::update_complex_workspace_test ... ok
[INFO] [stdout] test tests::read_empty_workspace_test ... ok
[INFO] [stdout] test tests::update_workspace_major_test ... ok
[INFO] [stdout] test tests::update_workspace_patch_test ... ok
[INFO] [stdout] 
[INFO] [stdout] test result: ok. 8 passed; 0 failed; 0 ignored; 0 measured; 0 filtered out; finished in 0.09s
[INFO] [stdout] 
[INFO] [stderr]      Running unittests (/opt/rustwide/target/debug/deps/releaser-3084c557d02dc149)
[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 releaser
[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" "26cfd0174efa39032e2abf20a190159b9c98820cc0374adc6598cd5719175967", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "26cfd0174efa39032e2abf20a190159b9c98820cc0374adc6598cd5719175967", kill_on_drop: false }`
[INFO] [stdout] 26cfd0174efa39032e2abf20a190159b9c98820cc0374adc6598cd5719175967