[INFO] fetching crate tusk_lexer 0.4.7...
[INFO] testing tusk_lexer-0.4.7 against beta-2022-02-22 for beta-1.60-1
[INFO] extracting crate tusk_lexer 0.4.7 into /workspace/builds/worker-9/source
[INFO] validating manifest of crates.io crate tusk_lexer 0.4.7 on toolchain beta-2022-02-22
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+beta-2022-02-22" "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-9/source/Cargo.toml
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+beta-2022-02-22" "generate-lockfile" "--manifest-path" "Cargo.toml" "-Zno-index-update", kill_on_drop: false }`
[INFO] [stderr]     Blocking waiting for file lock on package cache
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+beta-2022-02-22" "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@sha256:0cd99ca24d8e8c98e67c542213511d985b8778b5bdcbb160e038429496686047" "/opt/rustwide/cargo-home/bin/cargo" "+beta-2022-02-22" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stderr] WARNING: Your kernel does not support swap limit capabilities or the cgroup is not mounted. Memory limited without swap.
[INFO] [stdout] c18e90a384fb72dbb90bd55bbec8343dc881bc38b112d6d0a7f20998c989851c
[INFO] running `Command { std: "docker" "start" "-a" "c18e90a384fb72dbb90bd55bbec8343dc881bc38b112d6d0a7f20998c989851c", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "c18e90a384fb72dbb90bd55bbec8343dc881bc38b112d6d0a7f20998c989851c", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "c18e90a384fb72dbb90bd55bbec8343dc881bc38b112d6d0a7f20998c989851c", kill_on_drop: false }`
[INFO] [stdout] c18e90a384fb72dbb90bd55bbec8343dc881bc38b112d6d0a7f20998c989851c
[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@sha256:0cd99ca24d8e8c98e67c542213511d985b8778b5bdcbb160e038429496686047" "/opt/rustwide/cargo-home/bin/cargo" "+beta-2022-02-22" "build" "--frozen" "--message-format=json", kill_on_drop: false }`
[INFO] [stderr] WARNING: Your kernel does not support swap limit capabilities or the cgroup is not mounted. Memory limited without swap.
[INFO] [stdout] 47fa60028a1b6b95962bc08065f55e49bea45fadccba603cce7ffb45b0ad7bff
[INFO] running `Command { std: "docker" "start" "-a" "47fa60028a1b6b95962bc08065f55e49bea45fadccba603cce7ffb45b0ad7bff", kill_on_drop: false }`
[INFO] [stderr]    Compiling beef v0.5.1
[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 8.47s
[INFO] running `Command { std: "docker" "inspect" "47fa60028a1b6b95962bc08065f55e49bea45fadccba603cce7ffb45b0ad7bff", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "47fa60028a1b6b95962bc08065f55e49bea45fadccba603cce7ffb45b0ad7bff", kill_on_drop: false }`
[INFO] [stdout] 47fa60028a1b6b95962bc08065f55e49bea45fadccba603cce7ffb45b0ad7bff
[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@sha256:0cd99ca24d8e8c98e67c542213511d985b8778b5bdcbb160e038429496686047" "/opt/rustwide/cargo-home/bin/cargo" "+beta-2022-02-22" "test" "--frozen" "--no-run" "--message-format=json", kill_on_drop: false }`
[INFO] [stderr] WARNING: Your kernel does not support swap limit capabilities or the cgroup is not mounted. Memory limited without swap.
[INFO] [stdout] f462c6e40704afbbff724c450f873957b563d53b177201d4958a95e477003147
[INFO] running `Command { std: "docker" "start" "-a" "f462c6e40704afbbff724c450f873957b563d53b177201d4958a95e477003147", kill_on_drop: false }`
[INFO] [stderr]     Blocking waiting for file lock on package cache
[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 2.44s
[INFO] running `Command { std: "docker" "inspect" "f462c6e40704afbbff724c450f873957b563d53b177201d4958a95e477003147", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "f462c6e40704afbbff724c450f873957b563d53b177201d4958a95e477003147", kill_on_drop: false }`
[INFO] [stdout] f462c6e40704afbbff724c450f873957b563d53b177201d4958a95e477003147
[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@sha256:0cd99ca24d8e8c98e67c542213511d985b8778b5bdcbb160e038429496686047" "/opt/rustwide/cargo-home/bin/cargo" "+beta-2022-02-22" "test" "--frozen", kill_on_drop: false }`
[INFO] [stdout] fe6d53ae85a721ffd98e87cf0b358e2f054940ca1cd86ad603d7d235171e17e9
[INFO] [stderr] WARNING: Your kernel does not support swap limit capabilities or the cgroup is not mounted. Memory limited without swap.
[INFO] running `Command { std: "docker" "start" "-a" "fe6d53ae85a721ffd98e87cf0b358e2f054940ca1cd86ad603d7d235171e17e9", 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 0.03s
[INFO] [stdout] 
[INFO] [stderr]      Running unittests (/opt/rustwide/target/debug/deps/tusk_lexer-7fecebcba01c686f)
[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 tests/lexer_test.rs (/opt/rustwide/target/debug/deps/lexer_test-b866e7843a4af160)
[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_identifier_tokens ... ok
[INFO] [stdout] test test_it_can_produce_valid_keyword_tokens ... ok
[INFO] [stdout] test test_it_can_produce_valid_numeric_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_operator_tokens ... ok
[INFO] [stdout] test test_it_can_produce_valid_nullable_identifier_tokens ... ok
[INFO] [stdout] test test_it_can_produce_valid_comment_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" "fe6d53ae85a721ffd98e87cf0b358e2f054940ca1cd86ad603d7d235171e17e9", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "fe6d53ae85a721ffd98e87cf0b358e2f054940ca1cd86ad603d7d235171e17e9", kill_on_drop: false }`
[INFO] [stdout] fe6d53ae85a721ffd98e87cf0b358e2f054940ca1cd86ad603d7d235171e17e9