[INFO] fetching crate tusk_lexer 0.4.7...
[INFO] testing tusk_lexer-0.4.7 against 1.55.0 for beta-1.56-1
[INFO] extracting crate tusk_lexer 0.4.7 into /workspace/builds/worker-13/source
[INFO] validating manifest of crates.io crate tusk_lexer 0.4.7 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 tusk_lexer 0.4.7
[INFO] finished tweaking crates.io crate tusk_lexer 0.4.7
[INFO] tweaked toml for crates.io crate tusk_lexer 0.4.7 written to /workspace/builds/worker-13/source/Cargo.toml
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+1.55.0" "generate-lockfile" "--manifest-path" "Cargo.toml" "-Zno-index-update", kill_on_drop: false }`
[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] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-13/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-13/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] b0a0fb00ff905c095c415100af66dcdcd016c706815e78d7298a0e6717b63b90
[INFO] running `Command { std: "docker" "start" "-a" "b0a0fb00ff905c095c415100af66dcdcd016c706815e78d7298a0e6717b63b90", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "b0a0fb00ff905c095c415100af66dcdcd016c706815e78d7298a0e6717b63b90", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "b0a0fb00ff905c095c415100af66dcdcd016c706815e78d7298a0e6717b63b90", kill_on_drop: false }`
[INFO] [stdout] b0a0fb00ff905c095c415100af66dcdcd016c706815e78d7298a0e6717b63b90
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-13/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-13/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] 0cf23323a67b4a09bda6cfc3612f11fd41ccd60d86f384d31ed3475e6b2f4db4
[INFO] running `Command { std: "docker" "start" "-a" "0cf23323a67b4a09bda6cfc3612f11fd41ccd60d86f384d31ed3475e6b2f4db4", kill_on_drop: false }`
[INFO] [stderr]    Compiling proc-macro2 v1.0.29
[INFO] [stderr]    Compiling syn v1.0.76
[INFO] [stderr]    Compiling utf8-ranges v1.0.4
[INFO] [stderr]    Compiling beef v0.5.1
[INFO] [stderr]    Compiling text-size v1.1.0
[INFO] [stderr]    Compiling quote v1.0.9
[INFO] [stderr]    Compiling logos-derive v0.12.0
[INFO] [stderr]    Compiling logos v0.12.0
[INFO] [stderr]    Compiling tusk_lexer v0.4.7 (/opt/rustwide/workdir)
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 1m 14s
[INFO] running `Command { std: "docker" "inspect" "0cf23323a67b4a09bda6cfc3612f11fd41ccd60d86f384d31ed3475e6b2f4db4", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "0cf23323a67b4a09bda6cfc3612f11fd41ccd60d86f384d31ed3475e6b2f4db4", kill_on_drop: false }`
[INFO] [stdout] 0cf23323a67b4a09bda6cfc3612f11fd41ccd60d86f384d31ed3475e6b2f4db4
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-13/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-13/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] c30a50dbbe34e39fb79625c8c900cc0ff4de817cd025d62dc86a8aa73a70089a
[INFO] running `Command { std: "docker" "start" "-a" "c30a50dbbe34e39fb79625c8c900cc0ff4de817cd025d62dc86a8aa73a70089a", kill_on_drop: false }`
[INFO] [stderr]    Compiling tusk_lexer v0.4.7 (/opt/rustwide/workdir)
[INFO] [stdout] warning: unused import: `tusk_lexer::Token`
[INFO] [stdout]  --> tests/lexer_test.rs:2:5
[INFO] [stdout]   |
[INFO] [stdout] 2 | use tusk_lexer::Token;
[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 1.71s
[INFO] running `Command { std: "docker" "inspect" "c30a50dbbe34e39fb79625c8c900cc0ff4de817cd025d62dc86a8aa73a70089a", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "c30a50dbbe34e39fb79625c8c900cc0ff4de817cd025d62dc86a8aa73a70089a", kill_on_drop: false }`
[INFO] [stdout] c30a50dbbe34e39fb79625c8c900cc0ff4de817cd025d62dc86a8aa73a70089a
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-13/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-13/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] 2da19dc25255f5794fccc31983fb0d417701a7527557e19086978e4c1210bd42
[INFO] running `Command { std: "docker" "start" "-a" "2da19dc25255f5794fccc31983fb0d417701a7527557e19086978e4c1210bd42", kill_on_drop: false }`
[INFO] [stderr] warning: unused import: `tusk_lexer::Token`
[INFO] [stderr]  --> tests/lexer_test.rs:2:5
[INFO] [stderr]   |
[INFO] [stderr] 2 | use tusk_lexer::Token;
[INFO] [stderr]   |     ^^^^^^^^^^^^^^^^^
[INFO] [stderr]   |
[INFO] [stderr]   = note: `#[warn(unused_imports)]` on by default
[INFO] [stderr] 
[INFO] [stderr] warning: `tusk_lexer` (test "lexer_test") generated 1 warning
[INFO] [stderr]     Finished test [unoptimized + debuginfo] target(s) in 0.04s
[INFO] [stderr]      Running unittests (/opt/rustwide/target/debug/deps/tusk_lexer-06a123a5ca237cd1)
[INFO] [stdout] 
[INFO] [stderr]      Running tests/lexer_test.rs (/opt/rustwide/target/debug/deps/lexer_test-cf53944c401d85a1)
[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] [stdout] 
[INFO] [stdout] running 12 tests
[INFO] [stdout] test test_it_can_be_created ... ok
[INFO] [stdout] test test_it_can_produce_valid_backslash_tokens ... ok
[INFO] [stdout] test test_it_can_produce_valid_comment_tokens ... ok
[INFO] [stdout] test test_it_can_produce_valid_nullable_identifier_tokens ... ok
[INFO] [stdout] test test_it_can_produce_valid_numeric_tokens ... ok
[INFO] [stdout] test test_it_can_produce_valid_operator_tokens ... ok
[INFO] [stdout] test test_it_can_produce_valid_punctuation_tokens ... ok
[INFO] [stdout] test test_it_can_produce_valid_string_tokens ... ok
[INFO] [stdout] test test_it_can_produce_valid_variable_tokens ... ok
[INFO] [stdout] test test_it_can_produce_valid_keyword_tokens ... ok
[INFO] [stdout] test test_it_can_produce_valid_identifier_tokens ... ok
[INFO] [stdout] test test_peek_does_move_real_internal_pointer ... ok
[INFO] [stderr]    Doc-tests tusk_lexer
[INFO] [stdout] 
[INFO] [stdout] test result: ok. 12 passed; 0 failed; 0 ignored; 0 measured; 0 filtered out; finished in 0.00s
[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" "2da19dc25255f5794fccc31983fb0d417701a7527557e19086978e4c1210bd42", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "2da19dc25255f5794fccc31983fb0d417701a7527557e19086978e4c1210bd42", kill_on_drop: false }`
[INFO] [stdout] 2da19dc25255f5794fccc31983fb0d417701a7527557e19086978e4c1210bd42