[INFO] fetching crate tusk_lexer 0.4.7...
[INFO] testing tusk_lexer-0.4.7 against beta-2021-09-08 for beta-1.56-1
[INFO] extracting crate tusk_lexer 0.4.7 into /workspace/builds/worker-79/source
[INFO] validating manifest of crates.io crate tusk_lexer 0.4.7 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 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-79/source/Cargo.toml
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+beta-2021-09-08" "generate-lockfile" "--manifest-path" "Cargo.toml" "-Zno-index-update", kill_on_drop: false }`
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+beta-2021-09-08" "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-79/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-79/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] a87e1ced7d0d7abf89977a9453cbdfa7927b41c43ab5bb65b7682d0e79a832f0
[INFO] running `Command { std: "docker" "start" "-a" "a87e1ced7d0d7abf89977a9453cbdfa7927b41c43ab5bb65b7682d0e79a832f0", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "a87e1ced7d0d7abf89977a9453cbdfa7927b41c43ab5bb65b7682d0e79a832f0", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "a87e1ced7d0d7abf89977a9453cbdfa7927b41c43ab5bb65b7682d0e79a832f0", kill_on_drop: false }`
[INFO] [stdout] a87e1ced7d0d7abf89977a9453cbdfa7927b41c43ab5bb65b7682d0e79a832f0
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-79/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-79/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] 28d36e46964408fff348e524708bc313b4a9f63d83af9d3241880be12eaeb730
[INFO] running `Command { std: "docker" "start" "-a" "28d36e46964408fff348e524708bc313b4a9f63d83af9d3241880be12eaeb730", kill_on_drop: false }`
[INFO] [stderr]    Compiling syn v1.0.76
[INFO] [stderr]    Compiling beef v0.5.1
[INFO] [stderr]    Compiling utf8-ranges v1.0.4
[INFO] [stderr]    Compiling regex-syntax v0.6.25
[INFO] [stderr]    Compiling text-size v1.1.0
[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" "28d36e46964408fff348e524708bc313b4a9f63d83af9d3241880be12eaeb730", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "28d36e46964408fff348e524708bc313b4a9f63d83af9d3241880be12eaeb730", kill_on_drop: false }`
[INFO] [stdout] 28d36e46964408fff348e524708bc313b4a9f63d83af9d3241880be12eaeb730
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-79/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-79/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] 04f934c02bb232e66bf7a8964edbc25798c3c4fa6eaabf4fa3e5d5d8a45c525d
[INFO] running `Command { std: "docker" "start" "-a" "04f934c02bb232e66bf7a8964edbc25798c3c4fa6eaabf4fa3e5d5d8a45c525d", 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 1.97s
[INFO] running `Command { std: "docker" "inspect" "04f934c02bb232e66bf7a8964edbc25798c3c4fa6eaabf4fa3e5d5d8a45c525d", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "04f934c02bb232e66bf7a8964edbc25798c3c4fa6eaabf4fa3e5d5d8a45c525d", kill_on_drop: false }`
[INFO] [stdout] 04f934c02bb232e66bf7a8964edbc25798c3c4fa6eaabf4fa3e5d5d8a45c525d
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-79/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-79/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] cfabc2ca427e1b9a41bd3f72d7a3af9b2a4d856be179d36dc9edb2baa98dc27e
[INFO] running `Command { std: "docker" "start" "-a" "cfabc2ca427e1b9a41bd3f72d7a3af9b2a4d856be179d36dc9edb2baa98dc27e", 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 0.07s
[INFO] [stderr]      Running unittests (/opt/rustwide/target/debug/deps/tusk_lexer-ca0c6ce44f27778b)
[INFO] [stdout] 
[INFO] [stderr]      Running tests/lexer_test.rs (/opt/rustwide/target/debug/deps/lexer_test-5c2bfdb4f07577d3)
[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_identifier_tokens ... ok
[INFO] [stdout] test test_it_can_produce_valid_keyword_tokens ... ok
[INFO] [stdout] test test_it_can_produce_valid_nullable_identifier_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_peek_does_move_real_internal_pointer ... ok
[INFO] [stdout] test test_it_can_produce_valid_numeric_tokens ... ok
[INFO] [stdout] 
[INFO] [stdout] test result: ok. 12 passed; 0 failed; 0 ignored; 0 measured; 0 filtered out; finished in 0.01s
[INFO] [stdout] 
[INFO] [stderr]    Doc-tests tusk_lexer
[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" "cfabc2ca427e1b9a41bd3f72d7a3af9b2a4d856be179d36dc9edb2baa98dc27e", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "cfabc2ca427e1b9a41bd3f72d7a3af9b2a4d856be179d36dc9edb2baa98dc27e", kill_on_drop: false }`
[INFO] [stdout] cfabc2ca427e1b9a41bd3f72d7a3af9b2a4d856be179d36dc9edb2baa98dc27e