[INFO] crate mowl 2.0.0 is already in cache
[INFO] testing mowl-2.0.0 against 1.38.0 for beta-1.39-1
[INFO] extracting crate mowl 2.0.0 into work/builds/worker-6/source
[INFO] validating manifest of crates.io crate mowl 2.0.0 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 mowl 2.0.0
[INFO] finished tweaking crates.io crate mowl 2.0.0
[INFO] tweaked toml for crates.io crate mowl 2.0.0 written to work/builds/worker-6/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-6/target:/opt/rustwide/target:rw,Z" "-v" "/big/crater/work/builds/worker-6/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] 11b57a65c8b7b644fe064d8a7252607f5a15273ccaef1268f0fdc5be03f97233
[INFO] running `"docker" "start" "-a" "11b57a65c8b7b644fe064d8a7252607f5a15273ccaef1268f0fdc5be03f97233"`
[INFO] [stderr]    Compiling mowl v2.0.0 (/opt/rustwide/workdir)
[INFO] [stderr] warning: unused `std::result::Result` that must be used
[INFO] [stderr]    --> src/lib.rs:117:9
[INFO] [stderr]     |
[INFO] [stderr] 117 |         write!(t, "[{}] ", record.module_path().unwrap_or("?"));
[INFO] [stderr]     |         ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stderr]     |
[INFO] [stderr]     = note: `#[warn(unused_must_use)]` on by default
[INFO] [stderr]     = note: this `Result` may be an `Err` variant, which should be handled
[INFO] [stderr]     = note: this warning originates in a macro outside of the current crate (in Nightly builds, run with -Z external-macro-backtrace for more info)
[INFO] [stderr] 
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 0.48s
[INFO] running `"docker" "inspect" "11b57a65c8b7b644fe064d8a7252607f5a15273ccaef1268f0fdc5be03f97233"`
[INFO] running `"docker" "rm" "-f" "11b57a65c8b7b644fe064d8a7252607f5a15273ccaef1268f0fdc5be03f97233"`
[INFO] [stdout] 11b57a65c8b7b644fe064d8a7252607f5a15273ccaef1268f0fdc5be03f97233
[INFO] running `"docker" "create" "-v" "/big/crater/work/builds/worker-6/target:/opt/rustwide/target:rw,Z" "-v" "/big/crater/work/builds/worker-6/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] e6887e8549b12d15ff633fecb031d6ee63e5ae4b24ac0de59cca49f1e1d4e11f
[INFO] running `"docker" "start" "-a" "e6887e8549b12d15ff633fecb031d6ee63e5ae4b24ac0de59cca49f1e1d4e11f"`
[INFO] [stderr]    Compiling mowl v2.0.0 (/opt/rustwide/workdir)
[INFO] [stderr] warning: unused `std::result::Result` that must be used
[INFO] [stderr]    --> src/lib.rs:117:9
[INFO] [stderr]     |
[INFO] [stderr] 117 |         write!(t, "[{}] ", record.module_path().unwrap_or("?"));
[INFO] [stderr]     |         ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stderr]     |
[INFO] [stderr]     = note: `#[warn(unused_must_use)]` on by default
[INFO] [stderr]     = note: this `Result` may be an `Err` variant, which should be handled
[INFO] [stderr]     = note: this warning originates in a macro outside of the current crate (in Nightly builds, run with -Z external-macro-backtrace for more info)
[INFO] [stderr] 
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 1.09s
[INFO] running `"docker" "inspect" "e6887e8549b12d15ff633fecb031d6ee63e5ae4b24ac0de59cca49f1e1d4e11f"`
[INFO] running `"docker" "rm" "-f" "e6887e8549b12d15ff633fecb031d6ee63e5ae4b24ac0de59cca49f1e1d4e11f"`
[INFO] [stdout] e6887e8549b12d15ff633fecb031d6ee63e5ae4b24ac0de59cca49f1e1d4e11f
[INFO] running `"docker" "create" "-v" "/big/crater/work/builds/worker-6/target:/opt/rustwide/target:rw,Z" "-v" "/big/crater/work/builds/worker-6/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] 1dbe6fbc7ed1018d4a2a9c8bb2b044772213ccd9e555eca05da118fa5a4a39f4
[INFO] running `"docker" "start" "-a" "1dbe6fbc7ed1018d4a2a9c8bb2b044772213ccd9e555eca05da118fa5a4a39f4"`
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 0.02s
[INFO] [stderr]      Running /opt/rustwide/target/debug/deps/mowl-d4fc83691034a52e
[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/lib-0a9c84427c931266
[INFO] [stdout] 
[INFO] [stdout] running 1 test
[INFO] [stdout] test success_log ... 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 mowl
[INFO] [stdout] 
[INFO] [stdout] running 4 tests
[INFO] [stdout] test src/lib.rs -  (line 3) ... ok
[INFO] [stdout] test src/lib.rs - init_with_level_and_without_colors (line 48) ... ok
[INFO] [stdout] test src/lib.rs - init (line 71) ... ok
[INFO] [stdout] test src/lib.rs - init_with_level (line 26) ... ok
[INFO] [stdout] 
[INFO] [stdout] test result: ok. 4 passed; 0 failed; 0 ignored; 0 measured; 0 filtered out
[INFO] [stdout] 
[INFO] running `"docker" "inspect" "1dbe6fbc7ed1018d4a2a9c8bb2b044772213ccd9e555eca05da118fa5a4a39f4"`
[INFO] running `"docker" "rm" "-f" "1dbe6fbc7ed1018d4a2a9c8bb2b044772213ccd9e555eca05da118fa5a4a39f4"`
[INFO] [stdout] 1dbe6fbc7ed1018d4a2a9c8bb2b044772213ccd9e555eca05da118fa5a4a39f4