[INFO] fetching crate tusk_lexer 0.4.7...
[INFO] testing tusk_lexer-0.4.7 against master#a77da2d454e6caa227a85b16410b95f93495e7e0 for pr-91031
[INFO] extracting crate tusk_lexer 0.4.7 into /workspace/builds/worker-3/source
[INFO] validating manifest of crates.io crate tusk_lexer 0.4.7 on toolchain a77da2d454e6caa227a85b16410b95f93495e7e0
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+a77da2d454e6caa227a85b16410b95f93495e7e0" "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-3/source/Cargo.toml
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+a77da2d454e6caa227a85b16410b95f93495e7e0" "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" "+a77da2d454e6caa227a85b16410b95f93495e7e0" "fetch" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-3/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-3/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@sha256:5736fa189c1c60b01babf4b8b698fe57b6ecc41933a7ff2e0b8d7a221459412b" "/opt/rustwide/cargo-home/bin/cargo" "+a77da2d454e6caa227a85b16410b95f93495e7e0" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] 11c2089753afa5ead6413da02b81a7476ce14c0c572696c91956d60fae91ed68
[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" "11c2089753afa5ead6413da02b81a7476ce14c0c572696c91956d60fae91ed68", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "11c2089753afa5ead6413da02b81a7476ce14c0c572696c91956d60fae91ed68", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "11c2089753afa5ead6413da02b81a7476ce14c0c572696c91956d60fae91ed68", kill_on_drop: false }`
[INFO] [stdout] 11c2089753afa5ead6413da02b81a7476ce14c0c572696c91956d60fae91ed68
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-3/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-3/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=forbid" "-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@sha256:5736fa189c1c60b01babf4b8b698fe57b6ecc41933a7ff2e0b8d7a221459412b" "/opt/rustwide/cargo-home/bin/cargo" "+a77da2d454e6caa227a85b16410b95f93495e7e0" "build" "--frozen" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] 1f338e7f90e3f7f2491ec859abddf69b2171b4d10afec2284783c12beff1895f
[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" "1f338e7f90e3f7f2491ec859abddf69b2171b4d10afec2284783c12beff1895f", kill_on_drop: false }`
[INFO] [stderr]    Compiling fnv v1.0.7
[INFO] [stderr]    Compiling text-size v1.1.0
[INFO] [stderr]    Compiling syn v1.0.81
[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 19.81s
[INFO] running `Command { std: "docker" "inspect" "1f338e7f90e3f7f2491ec859abddf69b2171b4d10afec2284783c12beff1895f", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "1f338e7f90e3f7f2491ec859abddf69b2171b4d10afec2284783c12beff1895f", kill_on_drop: false }`
[INFO] [stdout] 1f338e7f90e3f7f2491ec859abddf69b2171b4d10afec2284783c12beff1895f
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-3/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-3/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=forbid" "-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@sha256:5736fa189c1c60b01babf4b8b698fe57b6ecc41933a7ff2e0b8d7a221459412b" "/opt/rustwide/cargo-home/bin/cargo" "+a77da2d454e6caa227a85b16410b95f93495e7e0" "test" "--frozen" "--no-run" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] 710c555627986e3ae9d0a5a669f3874830e838d95bb386a50fd47313beb19211
[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" "710c555627986e3ae9d0a5a669f3874830e838d95bb386a50fd47313beb19211", 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 1.79s
[INFO] running `Command { std: "docker" "inspect" "710c555627986e3ae9d0a5a669f3874830e838d95bb386a50fd47313beb19211", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "710c555627986e3ae9d0a5a669f3874830e838d95bb386a50fd47313beb19211", kill_on_drop: false }`
[INFO] [stdout] 710c555627986e3ae9d0a5a669f3874830e838d95bb386a50fd47313beb19211
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-3/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-3/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=forbid" "-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@sha256:5736fa189c1c60b01babf4b8b698fe57b6ecc41933a7ff2e0b8d7a221459412b" "/opt/rustwide/cargo-home/bin/cargo" "+a77da2d454e6caa227a85b16410b95f93495e7e0" "test" "--frozen", 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] 9001202664de82b3025f0a6367f8cf08d33488eecaf125efc183d84760faa4ff
[INFO] running `Command { std: "docker" "start" "-a" "9001202664de82b3025f0a6367f8cf08d33488eecaf125efc183d84760faa4ff", kill_on_drop: false }`
[INFO] [stdout] 
[INFO] [stderr] warning: unused import: `tusk_lexer::Token`
[INFO] [stdout] running 0 tests
[INFO] [stderr]  --> tests/lexer_test.rs:2:5
[INFO] [stdout] 
[INFO] [stderr]   |
[INFO] [stdout] test result: ok. 0 passed; 0 failed; 0 ignored; 0 measured; 0 filtered out; finished in 0.00s
[INFO] [stderr] 2 | use tusk_lexer::Token;
[INFO] [stdout] 
[INFO] [stderr]   |     ^^^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stderr]   |
[INFO] [stdout] running 12 tests
[INFO] [stderr]   = note: `#[warn(unused_imports)]` on by default
[INFO] [stdout] test test_it_can_be_created ... ok
[INFO] [stderr] 
[INFO] [stdout] test test_it_can_produce_valid_comment_tokens ... ok
[INFO] [stderr] warning: `tusk_lexer` (test "lexer_test") generated 1 warning
[INFO] [stdout] test test_it_can_produce_valid_keyword_tokens ... ok
[INFO] [stderr]     Finished test [unoptimized + debuginfo] target(s) in 0.02s
[INFO] [stdout] test test_it_can_produce_valid_numeric_tokens ... ok
[INFO] [stderr]      Running unittests (/opt/rustwide/target/debug/deps/tusk_lexer-7913b8c014a433c7)
[INFO] [stdout] test test_it_can_produce_valid_nullable_identifier_tokens ... ok
[INFO] [stderr]      Running tests/lexer_test.rs (/opt/rustwide/target/debug/deps/lexer_test-00c13d60f695cb0d)
[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_identifier_tokens ... ok
[INFO] [stdout] test test_it_can_produce_valid_backslash_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] 
[INFO] [stdout] test result: ok. 12 passed; 0 failed; 0 ignored; 0 measured; 0 filtered out; finished in 0.00s
[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" "9001202664de82b3025f0a6367f8cf08d33488eecaf125efc183d84760faa4ff", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "9001202664de82b3025f0a6367f8cf08d33488eecaf125efc183d84760faa4ff", kill_on_drop: false }`
[INFO] [stdout] 9001202664de82b3025f0a6367f8cf08d33488eecaf125efc183d84760faa4ff