[INFO] crate hamster_wheel 0.2.1 is already in cache
[INFO] testing hamster_wheel-0.2.1 against 1.38.0 for beta-1.39-1
[INFO] extracting crate hamster_wheel 0.2.1 into work/builds/worker-5/source
[INFO] validating manifest of crates.io crate hamster_wheel 0.2.1 on toolchain 1.38.0
[INFO] running `"/big/crater/work/cargo-home/bin/cargo" "+1.38.0" "read-manifest" "--manifest-path" "Cargo.toml"`
[INFO] started tweaking crates.io crate hamster_wheel 0.2.1
[INFO] finished tweaking crates.io crate hamster_wheel 0.2.1
[INFO] tweaked toml for crates.io crate hamster_wheel 0.2.1 written to work/builds/worker-5/source/Cargo.toml
[INFO] running `"/big/crater/work/cargo-home/bin/cargo" "+1.38.0" "generate-lockfile" "--manifest-path" "Cargo.toml" "-Zno-index-update"`
[INFO] running `"/big/crater/work/cargo-home/bin/cargo" "+1.38.0" "fetch" "--locked" "--manifest-path" "Cargo.toml"`
[INFO] running `"docker" "create" "-v" "/big/crater/work/builds/worker-5/target:/opt/rustwide/target:rw,Z" "-v" "/big/crater/work/builds/worker-5/source:/opt/rustwide/workdir:ro,Z" "-v" "/big/crater/work/cargo-home:/opt/rustwide/cargo-home:ro,Z" "-v" "/big/crater/work/rustup-home:/opt/rustwide/rustup-home:ro,Z" "-e" "SOURCE_DIR=/opt/rustwide/workdir" "-e" "MAP_USER_ID=1000" "-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" "--network" "none" "rustops/crates-build-env" "/opt/rustwide/cargo-home/bin/cargo" "+1.38.0" "build" "--frozen"`
[INFO] [stdout] d4bcad46ba7f6770051ca4f693e8e448cab0ae12bad10f22eb9930e9e2c87047
[INFO] running `"docker" "start" "-a" "d4bcad46ba7f6770051ca4f693e8e448cab0ae12bad10f22eb9930e9e2c87047"`
[INFO] [stderr]    Compiling regex v1.3.1
[INFO] [stderr]    Compiling logos-derive v0.10.0-rc2
[INFO] [stderr]    Compiling bstr v0.2.8
[INFO] [stderr]    Compiling csv v1.1.1
[INFO] [stderr]    Compiling publicsuffix v1.5.3
[INFO] [stderr]    Compiling cookie_store v0.7.0
[INFO] [stderr]    Compiling reqwest v0.9.22
[INFO] [stderr]    Compiling logos v0.10.0-rc2
[INFO] [stderr]    Compiling hamster_wheel v0.2.1 (/opt/rustwide/workdir)
[INFO] [stderr] warning: variable does not need to be mutable
[INFO] [stderr]   --> src/interpreter/importer.rs:53:13
[INFO] [stderr]    |
[INFO] [stderr] 53 |         let mut joined;
[INFO] [stderr]    |             ----^^^^^^
[INFO] [stderr]    |             |
[INFO] [stderr]    |             help: remove this `mut`
[INFO] [stderr]    |
[INFO] [stderr]    = note: `#[warn(unused_mut)]` on by default
[INFO] [stderr] 
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 31.35s
[INFO] running `"docker" "inspect" "d4bcad46ba7f6770051ca4f693e8e448cab0ae12bad10f22eb9930e9e2c87047"`
[INFO] running `"docker" "rm" "-f" "d4bcad46ba7f6770051ca4f693e8e448cab0ae12bad10f22eb9930e9e2c87047"`
[INFO] [stdout] d4bcad46ba7f6770051ca4f693e8e448cab0ae12bad10f22eb9930e9e2c87047
[INFO] running `"docker" "create" "-v" "/big/crater/work/builds/worker-5/target:/opt/rustwide/target:rw,Z" "-v" "/big/crater/work/builds/worker-5/source:/opt/rustwide/workdir:ro,Z" "-v" "/big/crater/work/cargo-home:/opt/rustwide/cargo-home:ro,Z" "-v" "/big/crater/work/rustup-home:/opt/rustwide/rustup-home:ro,Z" "-e" "SOURCE_DIR=/opt/rustwide/workdir" "-e" "MAP_USER_ID=1000" "-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" "--network" "none" "rustops/crates-build-env" "/opt/rustwide/cargo-home/bin/cargo" "+1.38.0" "test" "--frozen" "--no-run"`
[INFO] [stdout] fc38bbcceba2a90d5f18bb4e53c5999dd951941e7470ad50bb579997966ce701
[INFO] running `"docker" "start" "-a" "fc38bbcceba2a90d5f18bb4e53c5999dd951941e7470ad50bb579997966ce701"`
[INFO] [stderr]    Compiling hamster_wheel v0.2.1 (/opt/rustwide/workdir)
[INFO] [stderr] warning: variable does not need to be mutable
[INFO] [stderr]   --> src/interpreter/importer.rs:53:13
[INFO] [stderr]    |
[INFO] [stderr] 53 |         let mut joined;
[INFO] [stderr]    |             ----^^^^^^
[INFO] [stderr]    |             |
[INFO] [stderr]    |             help: remove this `mut`
[INFO] [stderr]    |
[INFO] [stderr]    = note: `#[warn(unused_mut)]` on by default
[INFO] [stderr] 
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 2.81s
[INFO] running `"docker" "inspect" "fc38bbcceba2a90d5f18bb4e53c5999dd951941e7470ad50bb579997966ce701"`
[INFO] running `"docker" "rm" "-f" "fc38bbcceba2a90d5f18bb4e53c5999dd951941e7470ad50bb579997966ce701"`
[INFO] [stdout] fc38bbcceba2a90d5f18bb4e53c5999dd951941e7470ad50bb579997966ce701
[INFO] running `"docker" "create" "-v" "/big/crater/work/builds/worker-5/target:/opt/rustwide/target:rw,Z" "-v" "/big/crater/work/builds/worker-5/source:/opt/rustwide/workdir:ro,Z" "-v" "/big/crater/work/cargo-home:/opt/rustwide/cargo-home:ro,Z" "-v" "/big/crater/work/rustup-home:/opt/rustwide/rustup-home:ro,Z" "-e" "SOURCE_DIR=/opt/rustwide/workdir" "-e" "MAP_USER_ID=1000" "-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" "--network" "none" "rustops/crates-build-env" "/opt/rustwide/cargo-home/bin/cargo" "+1.38.0" "test" "--frozen"`
[INFO] [stdout] 3f5daee4cd0d0f1d2d4c14de231ee634cf0b3cfadd2142d22b96e8d0e88fbdaf
[INFO] running `"docker" "start" "-a" "3f5daee4cd0d0f1d2d4c14de231ee634cf0b3cfadd2142d22b96e8d0e88fbdaf"`
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 0.21s
[INFO] [stderr]      Running /opt/rustwide/target/debug/deps/hamster_wheel-77d7ac9d17ffbc9e
[INFO] [stdout] 
[INFO] [stdout] running 7 tests
[INFO] [stdout] test tokenizer::tokenizer::tests::eof_peek ... ok
[INFO] [stdout] test tokenizer::tokenizer::tests::multiple_peeks ... ok
[INFO] [stdout] test tokenizer::tokenizer::tests::peek_after_advance ... ok
[INFO] [stdout] test tokenizer::tokenizer::tests::peek_checks_next_token ... ok
[INFO] [stdout] test tokenizer::tokenizer::tests::peek_preserves_current_info ... ok
[INFO] [stdout] test tokenizer::tokenizer::tests::peeks_and_advances ... ok
[INFO] [stdout] test tokenizer::tokenizer::tests::two_peeks_after_advance ... ok
[INFO] [stdout] 
[INFO] [stdout] test result: ok. 7 passed; 0 failed; 0 ignored; 0 measured; 0 filtered out
[INFO] [stdout] 
[INFO] [stderr]      Running /opt/rustwide/target/debug/deps/hamster_wheel-b29c3e034be32b91
[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
[INFO] [stdout] 
[INFO] [stderr]    Doc-tests hamster_wheel
[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
[INFO] [stdout] 
[INFO] running `"docker" "inspect" "3f5daee4cd0d0f1d2d4c14de231ee634cf0b3cfadd2142d22b96e8d0e88fbdaf"`
[INFO] running `"docker" "rm" "-f" "3f5daee4cd0d0f1d2d4c14de231ee634cf0b3cfadd2142d22b96e8d0e88fbdaf"`
[INFO] [stdout] 3f5daee4cd0d0f1d2d4c14de231ee634cf0b3cfadd2142d22b96e8d0e88fbdaf