[INFO] cloning repository https://github.com/toshokan/violet
[INFO] running `Command { std: "git" "-c" "credential.helper=" "-c" "credential.helper=/workspace/cargo-home/bin/git-credential-null" "clone" "--bare" "https://github.com/toshokan/violet" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Ftoshokan%2Fviolet", kill_on_drop: false }`
[INFO] [stderr] Cloning into bare repository '/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Ftoshokan%2Fviolet'...
[INFO] running `Command { std: "git" "rev-parse" "HEAD", kill_on_drop: false }`
[INFO] [stdout] 24a9d300994dff38bc861c4fbf752fa1b14a04bd
[INFO] testing toshokan/violet 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%2Ftoshokan%2Fviolet" "/workspace/builds/worker-9/source", kill_on_drop: false }`
[INFO] [stderr] Cloning into '/workspace/builds/worker-9/source'...
[INFO] [stderr] done.
[INFO] validating manifest of git repo https://github.com/toshokan/violet 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/toshokan/violet
[INFO] finished tweaking git repo https://github.com/toshokan/violet
[INFO] tweaked toml for git repo https://github.com/toshokan/violet written to /workspace/builds/worker-9/source/Cargo.toml
[INFO] crate git repo https://github.com/toshokan/violet 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] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-9/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-9/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] e20fb02e09df3d0cdf074698fe584ceded56eccf921d8d0ba5880804f0f3593a
[INFO] running `Command { std: "docker" "start" "-a" "e20fb02e09df3d0cdf074698fe584ceded56eccf921d8d0ba5880804f0f3593a", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "e20fb02e09df3d0cdf074698fe584ceded56eccf921d8d0ba5880804f0f3593a", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "e20fb02e09df3d0cdf074698fe584ceded56eccf921d8d0ba5880804f0f3593a", kill_on_drop: false }`
[INFO] [stdout] e20fb02e09df3d0cdf074698fe584ceded56eccf921d8d0ba5880804f0f3593a
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-9/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-9/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] 3cad0dfe5101da3667370846b6b1bf7bf31f93581d8a76851b60872f3ca0a80f
[INFO] running `Command { std: "docker" "start" "-a" "3cad0dfe5101da3667370846b6b1bf7bf31f93581d8a76851b60872f3ca0a80f", kill_on_drop: false }`
[INFO] [stderr]     Blocking waiting for file lock on package cache
[INFO] [stderr]    Compiling violet-syntax v0.1.0 (/opt/rustwide/workdir/violet-syntax)
[INFO] [stdout] warning: unused variable: `c`
[INFO] [stdout]   --> violet-syntax/src/lib.rs:89:6
[INFO] [stdout]    |
[INFO] [stdout] 89 |         c => self.parse_sym(),
[INFO] [stdout]    |         ^ help: if this is intentional, prefix it with an underscore: `_c`
[INFO] [stdout]    |
[INFO] [stdout]    = note: `#[warn(unused_variables)]` 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 0.37s
[INFO] running `Command { std: "docker" "inspect" "3cad0dfe5101da3667370846b6b1bf7bf31f93581d8a76851b60872f3ca0a80f", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "3cad0dfe5101da3667370846b6b1bf7bf31f93581d8a76851b60872f3ca0a80f", kill_on_drop: false }`
[INFO] [stdout] 3cad0dfe5101da3667370846b6b1bf7bf31f93581d8a76851b60872f3ca0a80f
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-9/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-9/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] 32f6d35ada94266dc6157fe42d2c338f043d8c74f7c561240ecd112dd9f7cb0c
[INFO] running `Command { std: "docker" "start" "-a" "32f6d35ada94266dc6157fe42d2c338f043d8c74f7c561240ecd112dd9f7cb0c", kill_on_drop: false }`
[INFO] [stdout] warning: unused variable: `c`
[INFO] [stdout]   --> violet-syntax/src/lib.rs:89:6
[INFO] [stdout]    |
[INFO] [stdout] 89 |         c => self.parse_sym(),
[INFO] [stdout]    |         ^ help: if this is intentional, prefix it with an underscore: `_c`
[INFO] [stdout]    |
[INFO] [stdout]    = note: `#[warn(unused_variables)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr]    Compiling violet-syntax v0.1.0 (/opt/rustwide/workdir/violet-syntax)
[INFO] [stdout] warning: 1 warning emitted
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `c`
[INFO] [stdout]   --> violet-syntax/src/lib.rs:89:6
[INFO] [stdout]    |
[INFO] [stdout] 89 |         c => self.parse_sym(),
[INFO] [stdout]    |         ^ help: if this is intentional, prefix it with an underscore: `_c`
[INFO] [stdout]    |
[INFO] [stdout]    = note: `#[warn(unused_variables)]` 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 0.45s
[INFO] running `Command { std: "docker" "inspect" "32f6d35ada94266dc6157fe42d2c338f043d8c74f7c561240ecd112dd9f7cb0c", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "32f6d35ada94266dc6157fe42d2c338f043d8c74f7c561240ecd112dd9f7cb0c", kill_on_drop: false }`
[INFO] [stdout] 32f6d35ada94266dc6157fe42d2c338f043d8c74f7c561240ecd112dd9f7cb0c
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-9/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-9/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] 7dec3457925834d89565d91e3c4de23c2549736ef5d15628af0f165d5871663a
[INFO] running `Command { std: "docker" "start" "-a" "7dec3457925834d89565d91e3c4de23c2549736ef5d15628af0f165d5871663a", kill_on_drop: false }`
[INFO] [stderr] warning: unused variable: `c`
[INFO] [stderr]   --> violet-syntax/src/lib.rs:89:6
[INFO] [stderr]    |
[INFO] [stderr] 89 |         c => self.parse_sym(),
[INFO] [stderr]    |         ^ help: if this is intentional, prefix it with an underscore: `_c`
[INFO] [stderr]    |
[INFO] [stderr]    = note: `#[warn(unused_variables)]` on by default
[INFO] [stderr] 
[INFO] [stderr] warning: `violet-syntax` (lib) generated 1 warning
[INFO] [stdout] 
[INFO] [stderr] warning: `violet-syntax` (lib test) generated 1 warning (1 duplicate)
[INFO] [stdout] running 4 tests
[INFO] [stderr]     Finished test [unoptimized + debuginfo] target(s) in 0.01s
[INFO] [stderr]      Running unittests (/opt/rustwide/target/debug/deps/violet_syntax-d741035365993a7e)
[INFO] [stdout] test test::parses_keywords ... ok
[INFO] [stderr]    Doc-tests violet-syntax
[INFO] [stdout] test test::parses_strings ... ok
[INFO] [stdout] test test::parses_lists ... ok
[INFO] [stdout] test test::parses_syms ... ok
[INFO] [stdout] 
[INFO] [stdout] test result: ok. 4 passed; 0 failed; 0 ignored; 0 measured; 0 filtered out; finished in 0.01s
[INFO] [stdout] 
[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" "7dec3457925834d89565d91e3c4de23c2549736ef5d15628af0f165d5871663a", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "7dec3457925834d89565d91e3c4de23c2549736ef5d15628af0f165d5871663a", kill_on_drop: false }`
[INFO] [stdout] 7dec3457925834d89565d91e3c4de23c2549736ef5d15628af0f165d5871663a