[INFO] crate oui 0.6.0 is already in cache
[INFO] testing oui-0.6.0 against 1.38.0 for beta-1.39-1
[INFO] extracting crate oui 0.6.0 into work/builds/worker-8/source
[INFO] validating manifest of crates.io crate oui 0.6.0 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 oui 0.6.0
[INFO] finished tweaking crates.io crate oui 0.6.0
[INFO] tweaked toml for crates.io crate oui 0.6.0 written to work/builds/worker-8/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-8/target:/opt/rustwide/target:rw,Z" "-v" "/big/crater/work/builds/worker-8/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] 72b871e13b77195f052952b1588a26222ae1ec7cdc74b8660a580d69d89943f3
[INFO] running `"docker" "start" "-a" "72b871e13b77195f052952b1588a26222ae1ec7cdc74b8660a580d69d89943f3"`
[INFO] [stderr]    Compiling eui48 v0.4.6
[INFO] [stderr]    Compiling oui v0.6.0 (/opt/rustwide/workdir)
[INFO] [stderr] warning: variable does not need to be mutable
[INFO] [stderr]    --> src/lib.rs:247:17
[INFO] [stderr]     |
[INFO] [stderr] 247 |             let mut comment: Option<String>;
[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] warning: variable does not need to be mutable
[INFO] [stderr]    --> src/lib.rs:255:17
[INFO] [stderr]     |
[INFO] [stderr] 255 |             let mut name_long: Option<String>;
[INFO] [stderr]     |                 ----^^^^^^^^^
[INFO] [stderr]     |                 |
[INFO] [stderr]     |                 help: remove this `mut`
[INFO] [stderr] 
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 2.05s
[INFO] running `"docker" "inspect" "72b871e13b77195f052952b1588a26222ae1ec7cdc74b8660a580d69d89943f3"`
[INFO] running `"docker" "rm" "-f" "72b871e13b77195f052952b1588a26222ae1ec7cdc74b8660a580d69d89943f3"`
[INFO] [stdout] 72b871e13b77195f052952b1588a26222ae1ec7cdc74b8660a580d69d89943f3
[INFO] running `"docker" "create" "-v" "/big/crater/work/builds/worker-8/target:/opt/rustwide/target:rw,Z" "-v" "/big/crater/work/builds/worker-8/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] d40c3f584cdd7c657fe9b6470489a6289a0ea6260ee5ec9ac3f97eeaaa9efcf4
[INFO] running `"docker" "start" "-a" "d40c3f584cdd7c657fe9b6470489a6289a0ea6260ee5ec9ac3f97eeaaa9efcf4"`
[INFO] [stderr]    Compiling env_logger v0.6.2
[INFO] [stderr]    Compiling oui v0.6.0 (/opt/rustwide/workdir)
[INFO] [stderr] warning: variable does not need to be mutable
[INFO] [stderr]    --> src/lib.rs:247:17
[INFO] [stderr]     |
[INFO] [stderr] 247 |             let mut comment: Option<String>;
[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] warning: variable does not need to be mutable
[INFO] [stderr]    --> src/lib.rs:255:17
[INFO] [stderr]     |
[INFO] [stderr] 255 |             let mut name_long: Option<String>;
[INFO] [stderr]     |                 ----^^^^^^^^^
[INFO] [stderr]     |                 |
[INFO] [stderr]     |                 help: remove this `mut`
[INFO] [stderr] 
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 4.36s
[INFO] running `"docker" "inspect" "d40c3f584cdd7c657fe9b6470489a6289a0ea6260ee5ec9ac3f97eeaaa9efcf4"`
[INFO] running `"docker" "rm" "-f" "d40c3f584cdd7c657fe9b6470489a6289a0ea6260ee5ec9ac3f97eeaaa9efcf4"`
[INFO] [stdout] d40c3f584cdd7c657fe9b6470489a6289a0ea6260ee5ec9ac3f97eeaaa9efcf4
[INFO] running `"docker" "create" "-v" "/big/crater/work/builds/worker-8/target:/opt/rustwide/target:rw,Z" "-v" "/big/crater/work/builds/worker-8/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] 08fa8d4fdf66f2db08ac92baa1eb751aff3b15a2145111ebb3220e8f1bb2bca7
[INFO] running `"docker" "start" "-a" "08fa8d4fdf66f2db08ac92baa1eb751aff3b15a2145111ebb3220e8f1bb2bca7"`
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 0.03s
[INFO] [stderr]      Running /opt/rustwide/target/debug/deps/oui-fe2d97e78c2c7134
[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 oui
[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" "08fa8d4fdf66f2db08ac92baa1eb751aff3b15a2145111ebb3220e8f1bb2bca7"`
[INFO] running `"docker" "rm" "-f" "08fa8d4fdf66f2db08ac92baa1eb751aff3b15a2145111ebb3220e8f1bb2bca7"`
[INFO] [stdout] 08fa8d4fdf66f2db08ac92baa1eb751aff3b15a2145111ebb3220e8f1bb2bca7