[INFO] crate derive-error 0.0.4 is already in cache
[INFO] testing derive-error-0.0.4 against beta-2019-09-28 for beta-1.39-1
[INFO] extracting crate derive-error 0.0.4 into work/builds/worker-0/source
[INFO] validating manifest of crates.io crate derive-error 0.0.4 on toolchain beta-2019-09-28
[INFO] running `"/big/crater/work/cargo-home/bin/cargo" "+beta-2019-09-28" "read-manifest" "--manifest-path" "Cargo.toml"`
[INFO] started tweaking crates.io crate derive-error 0.0.4
[INFO] finished tweaking crates.io crate derive-error 0.0.4
[INFO] tweaked toml for crates.io crate derive-error 0.0.4 written to work/builds/worker-0/source/Cargo.toml
[INFO] running `"/big/crater/work/cargo-home/bin/cargo" "+beta-2019-09-28" "generate-lockfile" "--manifest-path" "Cargo.toml" "-Zno-index-update"`
[INFO] running `"/big/crater/work/cargo-home/bin/cargo" "+beta-2019-09-28" "fetch" "--locked" "--manifest-path" "Cargo.toml"`
[INFO] running `"docker" "create" "-v" "/big/crater/work/builds/worker-0/target:/opt/rustwide/target:rw,Z" "-v" "/big/crater/work/builds/worker-0/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" "+beta-2019-09-28" "build" "--frozen"`
[INFO] [stdout] ab97c24cb6d2c94dec46129262bbfa5b6080ecf72367eb4686993e4f824581d6
[INFO] running `"docker" "start" "-a" "ab97c24cb6d2c94dec46129262bbfa5b6080ecf72367eb4686993e4f824581d6"`
[INFO] [stderr]    Compiling case v0.1.0
[INFO] [stderr]    Compiling derive-error v0.0.4 (/opt/rustwide/workdir)
[INFO] [stderr] warning: use of deprecated item 'core::str::<impl str>::trim_left_matches': superseded by `trim_start_matches`
[INFO] [stderr]    --> src/error.rs:202:40
[INFO] [stderr]     |
[INFO] [stderr] 202 |                         let doc = line.trim_left_matches("///");
[INFO] [stderr]     |                                        ^^^^^^^^^^^^^^^^^ help: replace the use of the deprecated item: `trim_start_matches`
[INFO] [stderr]     |
[INFO] [stderr]     = note: `#[warn(deprecated)]` on by default
[INFO] [stderr] 
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 1.42s
[INFO] running `"docker" "inspect" "ab97c24cb6d2c94dec46129262bbfa5b6080ecf72367eb4686993e4f824581d6"`
[INFO] running `"docker" "rm" "-f" "ab97c24cb6d2c94dec46129262bbfa5b6080ecf72367eb4686993e4f824581d6"`
[INFO] [stdout] ab97c24cb6d2c94dec46129262bbfa5b6080ecf72367eb4686993e4f824581d6
[INFO] running `"docker" "create" "-v" "/big/crater/work/builds/worker-0/target:/opt/rustwide/target:rw,Z" "-v" "/big/crater/work/builds/worker-0/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" "+beta-2019-09-28" "test" "--frozen" "--no-run"`
[INFO] [stdout] 025b4ef19ce74999f4616ca5590c0cb882a3573baf621d96bd3aee724f4ccb60
[INFO] running `"docker" "start" "-a" "025b4ef19ce74999f4616ca5590c0cb882a3573baf621d96bd3aee724f4ccb60"`
[INFO] [stderr]    Compiling derive_builder v0.5.1
[INFO] [stderr]    Compiling rspec v1.0.0-beta.4
[INFO] [stderr]    Compiling derive-error v0.0.4 (/opt/rustwide/workdir)
[INFO] [stderr] warning: use of deprecated item 'core::str::<impl str>::trim_left_matches': superseded by `trim_start_matches`
[INFO] [stderr]    --> src/error.rs:202:40
[INFO] [stderr]     |
[INFO] [stderr] 202 |                         let doc = line.trim_left_matches("///");
[INFO] [stderr]     |                                        ^^^^^^^^^^^^^^^^^ help: replace the use of the deprecated item: `trim_start_matches`
[INFO] [stderr]     |
[INFO] [stderr]     = note: `#[warn(deprecated)]` on by default
[INFO] [stderr] 
[INFO] [stderr] warning: variant is never constructed: `Msg`
[INFO] [stderr]   --> tests/behaviour.rs:11:17
[INFO] [stderr]    |
[INFO] [stderr] 11 |                 Msg
[INFO] [stderr]    |                 ^^^
[INFO] [stderr]    |
[INFO] [stderr]    = note: `#[warn(dead_code)]` on by default
[INFO] [stderr] 
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 6.28s
[INFO] running `"docker" "inspect" "025b4ef19ce74999f4616ca5590c0cb882a3573baf621d96bd3aee724f4ccb60"`
[INFO] running `"docker" "rm" "-f" "025b4ef19ce74999f4616ca5590c0cb882a3573baf621d96bd3aee724f4ccb60"`
[INFO] [stdout] 025b4ef19ce74999f4616ca5590c0cb882a3573baf621d96bd3aee724f4ccb60
[INFO] running `"docker" "create" "-v" "/big/crater/work/builds/worker-0/target:/opt/rustwide/target:rw,Z" "-v" "/big/crater/work/builds/worker-0/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" "+beta-2019-09-28" "test" "--frozen"`
[INFO] [stdout] 035fdcccaf5593004df23fd1bf9ece9a35836ff32b2317b36eb8eb32344eb439
[INFO] running `"docker" "start" "-a" "035fdcccaf5593004df23fd1bf9ece9a35836ff32b2317b36eb8eb32344eb439"`
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 0.18s
[INFO] [stderr]      Running /opt/rustwide/target/debug/deps/derive_error-1b51523988bc6b29
[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]      Running /opt/rustwide/target/debug/deps/behaviour-579a6ba867e6b45d
[INFO] [stdout] 
[INFO] [stdout] running 1 test
[INFO] [stdout] 
[INFO] [stdout] tests:
[INFO] [stdout] 
[INFO] [stdout] Describe "the implementation"
[INFO] [stdout]   It "should be able to derive from unit structs" ... ok
[INFO] [stdout] 
[INFO] [stdout] test result: ok. 1 passed; 0 failed; 0 ignored
[INFO] [stdout] test error_behaviour ... ok
[INFO] [stdout] 
[INFO] [stdout] test result: ok. 1 passed; 0 failed; 0 ignored; 0 measured; 0 filtered out
[INFO] [stdout] 
[INFO] [stderr]    Doc-tests derive-error
[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" "035fdcccaf5593004df23fd1bf9ece9a35836ff32b2317b36eb8eb32344eb439"`
[INFO] running `"docker" "rm" "-f" "035fdcccaf5593004df23fd1bf9ece9a35836ff32b2317b36eb8eb32344eb439"`
[INFO] [stdout] 035fdcccaf5593004df23fd1bf9ece9a35836ff32b2317b36eb8eb32344eb439