[INFO] cloning repository https://github.com/verrchu/keywords
[INFO] running `Command { std: "git" "-c" "credential.helper=" "-c" "credential.helper=/workspace/cargo-home/bin/git-credential-null" "clone" "--bare" "https://github.com/verrchu/keywords" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fverrchu%2Fkeywords", kill_on_drop: false }`
[INFO] [stderr] Cloning into bare repository '/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fverrchu%2Fkeywords'...
[INFO] running `Command { std: "git" "rev-parse" "HEAD", kill_on_drop: false }`
[INFO] [stdout] cafe969adcf75421978b948d2656ce780ed383f4
[INFO] testing verrchu/keywords against beta-2021-09-08 for beta-1.56-1
[INFO] running `Command { std: "git" "clone" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fverrchu%2Fkeywords" "/workspace/builds/worker-52/source", kill_on_drop: false }`
[INFO] [stderr] Cloning into '/workspace/builds/worker-52/source'...
[INFO] [stderr] done.
[INFO] validating manifest of git repo https://github.com/verrchu/keywords on toolchain beta-2021-09-08
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+beta-2021-09-08" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }`
[INFO] started tweaking git repo https://github.com/verrchu/keywords
[INFO] finished tweaking git repo https://github.com/verrchu/keywords
[INFO] tweaked toml for git repo https://github.com/verrchu/keywords written to /workspace/builds/worker-52/source/Cargo.toml
[INFO] crate git repo https://github.com/verrchu/keywords already has a lockfile, it will not be regenerated
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+beta-2021-09-08" "fetch" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] [stderr]  Downloading crates ...
[INFO] [stderr]   Downloaded indenter v0.3.3
[INFO] [stderr]   Downloaded textwrap v0.14.2
[INFO] [stderr]   Downloaded os_str_bytes v3.1.0
[INFO] [stderr]   Downloaded typed-builder v0.9.0
[INFO] [stderr]   Downloaded ron v0.6.4
[INFO] [stderr]   Downloaded eyre v0.6.5
[INFO] [stderr]   Downloaded clap v3.0.0-beta.4
[INFO] [stderr]   Downloaded clap_derive v3.0.0-beta.4
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-52/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-52/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" "+beta-2021-09-08" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] 5db8ab9959a8f9bf8670d886cfbcd31dac9b86e37b18b63fc31b4efc6e4507a5
[INFO] running `Command { std: "docker" "start" "-a" "5db8ab9959a8f9bf8670d886cfbcd31dac9b86e37b18b63fc31b4efc6e4507a5", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "5db8ab9959a8f9bf8670d886cfbcd31dac9b86e37b18b63fc31b4efc6e4507a5", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "5db8ab9959a8f9bf8670d886cfbcd31dac9b86e37b18b63fc31b4efc6e4507a5", kill_on_drop: false }`
[INFO] [stdout] 5db8ab9959a8f9bf8670d886cfbcd31dac9b86e37b18b63fc31b4efc6e4507a5
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-52/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-52/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" "+beta-2021-09-08" "build" "--frozen" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] a9ffbee2c4bf3b4c9abea03b9aaf78ba4eac11d0dfcbc92355d8c3ccdf33398a
[INFO] running `Command { std: "docker" "start" "-a" "a9ffbee2c4bf3b4c9abea03b9aaf78ba4eac11d0dfcbc92355d8c3ccdf33398a", kill_on_drop: false }`
[INFO] [stderr]    Compiling proc-macro2 v1.0.28
[INFO] [stderr]    Compiling unicode-xid v0.2.2
[INFO] [stderr]    Compiling syn v1.0.74
[INFO] [stderr]    Compiling serde_derive v1.0.126
[INFO] [stderr]    Compiling version_check v0.9.3
[INFO] [stderr]    Compiling serde v1.0.126
[INFO] [stderr]    Compiling autocfg v1.0.1
[INFO] [stderr]    Compiling bitflags v1.2.1
[INFO] [stderr]    Compiling memchr v2.4.0
[INFO] [stderr]    Compiling libc v0.2.98
[INFO] [stderr]    Compiling hashbrown v0.11.2
[INFO] [stderr]    Compiling eyre v0.6.5
[INFO] [stderr]    Compiling log v0.4.14
[INFO] [stderr]    Compiling unicode-segmentation v1.8.0
[INFO] [stderr]    Compiling indenter v0.3.3
[INFO] [stderr]    Compiling regex-syntax v0.6.25
[INFO] [stderr]    Compiling termcolor v1.1.2
[INFO] [stderr]    Compiling either v1.6.1
[INFO] [stderr]    Compiling cfg-if v1.0.0
[INFO] [stderr]    Compiling base64 v0.13.0
[INFO] [stderr]    Compiling once_cell v1.8.0
[INFO] [stderr]    Compiling unicode-width v0.1.8
[INFO] [stderr]    Compiling strsim v0.10.0
[INFO] [stderr]    Compiling humantime v2.1.0
[INFO] [stderr]    Compiling keywords_macros v0.1.0 (/opt/rustwide/workdir/libs/keywords_macros)
[INFO] [stderr]    Compiling lazy_static v1.4.0
[INFO] [stderr]    Compiling os_str_bytes v3.1.0
[INFO] [stderr]    Compiling vec_map v0.8.2
[INFO] [stderr]    Compiling textwrap v0.14.2
[INFO] [stderr]    Compiling itertools v0.10.1
[INFO] [stderr]    Compiling proc-macro-error-attr v1.0.4
[INFO] [stderr]    Compiling proc-macro-error v1.0.4
[INFO] [stderr]    Compiling indexmap v1.7.0
[INFO] [stderr]    Compiling heck v0.3.3
[INFO] [stderr]    Compiling aho-corasick v0.7.18
[INFO] [stderr]    Compiling quote v1.0.9
[INFO] [stderr]    Compiling atty v0.2.14
[INFO] [stderr]    Compiling regex v1.5.4
[INFO] [stderr]    Compiling env_logger v0.9.0
[INFO] [stderr]    Compiling typed-builder v0.9.0
[INFO] [stderr]    Compiling thiserror-impl v1.0.26
[INFO] [stderr]    Compiling clap_derive v3.0.0-beta.4
[INFO] [stderr]    Compiling thiserror v1.0.26
[INFO] [stderr]    Compiling ron v0.6.4
[INFO] [stderr]    Compiling keywords_model v0.1.0 (/opt/rustwide/workdir/libs/keywords_model)
[INFO] [stderr]    Compiling clap v3.0.0-beta.4
[INFO] [stderr]    Compiling keywords_data v0.1.0 (/opt/rustwide/workdir/libs/keywords_data)
[INFO] [stdout] warning: unused variable: `version`
[INFO] [stdout]   --> libs/keywords_data/src/api/keyword.rs:27:26
[INFO] [stdout]    |
[INFO] [stdout] 27 |                     for (version, keywords) in keywords.iter() {
[INFO] [stdout]    |                          ^^^^^^^ help: if this is intentional, prefix it with an underscore: `_version`
[INFO] [stdout]    |
[INFO] [stdout]    = note: `#[warn(unused_variables)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `keyword`
[INFO] [stdout]   --> libs/keywords_data/src/api/keyword.rs:30:37
[INFO] [stdout]    |
[INFO] [stdout] 30 |                         if let Some(keyword) = keyword {
[INFO] [stdout]    |                                     ^^^^^^^ help: if this is intentional, prefix it with an underscore: `_keyword`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `keyword`
[INFO] [stdout]   --> libs/keywords_data/src/api/keyword.rs:38:33
[INFO] [stdout]    |
[INFO] [stdout] 38 |                     if let Some(keyword) = keyword {
[INFO] [stdout]    |                                 ^^^^^^^ help: if this is intentional, prefix it with an underscore: `_keyword`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: 3 warnings emitted
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr]    Compiling keywords_cli v0.1.0 (/opt/rustwide/workdir/api/keywords_cli)
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 26.15s
[INFO] running `Command { std: "docker" "inspect" "a9ffbee2c4bf3b4c9abea03b9aaf78ba4eac11d0dfcbc92355d8c3ccdf33398a", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "a9ffbee2c4bf3b4c9abea03b9aaf78ba4eac11d0dfcbc92355d8c3ccdf33398a", kill_on_drop: false }`
[INFO] [stdout] a9ffbee2c4bf3b4c9abea03b9aaf78ba4eac11d0dfcbc92355d8c3ccdf33398a
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-52/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-52/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" "+beta-2021-09-08" "test" "--frozen" "--no-run" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] 9453d23e28844e4660b326d4430e27620abfa3a7b6092f529adb189308a59bfc
[INFO] running `Command { std: "docker" "start" "-a" "9453d23e28844e4660b326d4430e27620abfa3a7b6092f529adb189308a59bfc", kill_on_drop: false }`
[INFO] [stderr]    Compiling keywords_macros v0.1.0 (/opt/rustwide/workdir/libs/keywords_macros)
[INFO] [stderr]    Compiling keywords_model v0.1.0 (/opt/rustwide/workdir/libs/keywords_model)
[INFO] [stdout] warning: unused variable: `version`
[INFO] [stdout]   --> libs/keywords_data/src/api/keyword.rs:27:26
[INFO] [stdout]    |
[INFO] [stdout] 27 |                     for (version, keywords) in keywords.iter() {
[INFO] [stdout]    |                          ^^^^^^^ help: if this is intentional, prefix it with an underscore: `_version`
[INFO] [stdout]    |
[INFO] [stdout]    = note: `#[warn(unused_variables)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `keyword`
[INFO] [stdout]   --> libs/keywords_data/src/api/keyword.rs:30:37
[INFO] [stdout]    |
[INFO] [stdout] 30 |                         if let Some(keyword) = keyword {
[INFO] [stdout]    |                                     ^^^^^^^ help: if this is intentional, prefix it with an underscore: `_keyword`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `keyword`
[INFO] [stdout]   --> libs/keywords_data/src/api/keyword.rs:38:33
[INFO] [stdout]    |
[INFO] [stdout] 38 |                     if let Some(keyword) = keyword {
[INFO] [stdout]    |                                 ^^^^^^^ help: if this is intentional, prefix it with an underscore: `_keyword`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr]    Compiling keywords_data v0.1.0 (/opt/rustwide/workdir/libs/keywords_data)
[INFO] [stdout] warning: 3 warnings emitted
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr]    Compiling keywords_cli v0.1.0 (/opt/rustwide/workdir/api/keywords_cli)
[INFO] [stdout] warning: unused variable: `version`
[INFO] [stdout]   --> libs/keywords_data/src/api/keyword.rs:27:26
[INFO] [stdout]    |
[INFO] [stdout] 27 |                     for (version, keywords) in keywords.iter() {
[INFO] [stdout]    |                          ^^^^^^^ help: if this is intentional, prefix it with an underscore: `_version`
[INFO] [stdout]    |
[INFO] [stdout]    = note: `#[warn(unused_variables)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `keyword`
[INFO] [stdout]   --> libs/keywords_data/src/api/keyword.rs:30:37
[INFO] [stdout]    |
[INFO] [stdout] 30 |                         if let Some(keyword) = keyword {
[INFO] [stdout]    |                                     ^^^^^^^ help: if this is intentional, prefix it with an underscore: `_keyword`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `keyword`
[INFO] [stdout]   --> libs/keywords_data/src/api/keyword.rs:38:33
[INFO] [stdout]    |
[INFO] [stdout] 38 |                     if let Some(keyword) = keyword {
[INFO] [stdout]    |                                 ^^^^^^^ help: if this is intentional, prefix it with an underscore: `_keyword`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: 3 warnings emitted
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr]     Finished test [unoptimized + debuginfo] target(s) in 0.80s
[INFO] running `Command { std: "docker" "inspect" "9453d23e28844e4660b326d4430e27620abfa3a7b6092f529adb189308a59bfc", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "9453d23e28844e4660b326d4430e27620abfa3a7b6092f529adb189308a59bfc", kill_on_drop: false }`
[INFO] [stdout] 9453d23e28844e4660b326d4430e27620abfa3a7b6092f529adb189308a59bfc
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-52/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-52/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" "+beta-2021-09-08" "test" "--frozen", kill_on_drop: false }`
[INFO] [stdout] 0ef9ed39a5b3e0a4e77ca798997a329aeea1a5b72fd0d49afac9be4641dce551
[INFO] running `Command { std: "docker" "start" "-a" "0ef9ed39a5b3e0a4e77ca798997a329aeea1a5b72fd0d49afac9be4641dce551", kill_on_drop: false }`
[INFO] [stderr] warning: unused variable: `version`
[INFO] [stderr]   --> libs/keywords_data/src/api/keyword.rs:27:26
[INFO] [stderr]    |
[INFO] [stderr] 27 |                     for (version, keywords) in keywords.iter() {
[INFO] [stderr]    |                          ^^^^^^^ help: if this is intentional, prefix it with an underscore: `_version`
[INFO] [stderr]    |
[INFO] [stderr]    = note: `#[warn(unused_variables)]` on by default
[INFO] [stderr] 
[INFO] [stderr] warning: unused variable: `keyword`
[INFO] [stderr]   --> libs/keywords_data/src/api/keyword.rs:30:37
[INFO] [stderr]    |
[INFO] [stderr] 30 |                         if let Some(keyword) = keyword {
[INFO] [stderr]    |                                     ^^^^^^^ help: if this is intentional, prefix it with an underscore: `_keyword`
[INFO] [stderr] 
[INFO] [stderr] warning: unused variable: `keyword`
[INFO] [stderr]   --> libs/keywords_data/src/api/keyword.rs:38:33
[INFO] [stderr]    |
[INFO] [stderr] 38 |                     if let Some(keyword) = keyword {
[INFO] [stderr]    |                                 ^^^^^^^ help: if this is intentional, prefix it with an underscore: `_keyword`
[INFO] [stderr] 
[INFO] [stderr] warning: `keywords_data` (lib) generated 3 warnings
[INFO] [stderr] warning: `keywords_data` (lib test) generated 3 warnings (3 duplicates)
[INFO] [stderr]     Finished test [unoptimized + debuginfo] target(s) in 0.03s
[INFO] [stderr]      Running unittests (/opt/rustwide/target/debug/deps/keywords_cli-966533857be27199)
[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]      Running unittests (/opt/rustwide/target/debug/deps/keywords_data-ce06903b3706f0e5)
[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]      Running unittests (/opt/rustwide/target/debug/deps/keywords_macros-11e70321830a1b1d)
[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]      Running unittests (/opt/rustwide/target/debug/deps/keywords_model-da299c76ec6d87a4)
[INFO] [stdout] 
[INFO] [stdout] running 3 tests
[INFO] [stdout] test keywords::versioned::keyword::tests::test_display ... ok
[INFO] [stdout] test language::version::tests::test_display ... ok
[INFO] [stdout] test language::tests::test_display ... ok
[INFO] [stdout] 
[INFO] [stdout] test result: ok. 3 passed; 0 failed; 0 ignored; 0 measured; 0 filtered out; finished in 0.00s
[INFO] [stdout] 
[INFO] [stderr]    Doc-tests keywords_data
[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 keywords_macros
[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 keywords_model
[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" "0ef9ed39a5b3e0a4e77ca798997a329aeea1a5b72fd0d49afac9be4641dce551", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "0ef9ed39a5b3e0a4e77ca798997a329aeea1a5b72fd0d49afac9be4641dce551", kill_on_drop: false }`
[INFO] [stdout] 0ef9ed39a5b3e0a4e77ca798997a329aeea1a5b72fd0d49afac9be4641dce551