[INFO] crate maven-version-rs 0.1.0 is already in cache
[INFO] extracting crate maven-version-rs 0.1.0 into work/ex/beta-1.38-1/sources/1.37.0/reg/maven-version-rs/0.1.0
[INFO] extracting crate maven-version-rs 0.1.0 into work/ex/beta-1.38-1/sources/beta-2019-08-13/reg/maven-version-rs/0.1.0
[INFO] validating manifest of maven-version-rs-0.1.0 on toolchain 1.37.0
[INFO] running `"/mnt/big/crater/work/local/cargo-home/bin/cargo" "+1.37.0" "read-manifest" "--manifest-path" "Cargo.toml"`
[INFO] validating manifest of maven-version-rs-0.1.0 on toolchain beta-2019-08-13
[INFO] running `"/mnt/big/crater/work/local/cargo-home/bin/cargo" "+beta-2019-08-13" "read-manifest" "--manifest-path" "Cargo.toml"`
[INFO] started frobbing maven-version-rs-0.1.0
[INFO] finished frobbing maven-version-rs-0.1.0
[INFO] frobbed toml for maven-version-rs-0.1.0 written to work/ex/beta-1.38-1/sources/1.37.0/reg/maven-version-rs/0.1.0/Cargo.toml
[INFO] started frobbing maven-version-rs-0.1.0
[INFO] finished frobbing maven-version-rs-0.1.0
[INFO] frobbed toml for maven-version-rs-0.1.0 written to work/ex/beta-1.38-1/sources/beta-2019-08-13/reg/maven-version-rs/0.1.0/Cargo.toml
[INFO] running `"/mnt/big/crater/work/local/cargo-home/bin/cargo" "+1.37.0" "generate-lockfile" "--manifest-path" "Cargo.toml" "-Zno-index-update"`
[INFO] running `"/mnt/big/crater/work/local/cargo-home/bin/cargo" "+beta-2019-08-13" "generate-lockfile" "--manifest-path" "Cargo.toml" "-Zno-index-update"`
[INFO] running `"/mnt/big/crater/work/local/cargo-home/bin/cargo" "+1.37.0" "fetch" "--locked" "--manifest-path" "Cargo.toml"`
[INFO] running `"/mnt/big/crater/work/local/cargo-home/bin/cargo" "+beta-2019-08-13" "fetch" "--locked" "--manifest-path" "Cargo.toml"`
[INFO] testing maven-version-rs-0.1.0 against beta-2019-08-13 for beta-1.38-1
[INFO] running `"docker" "create" "-v" "/mnt/big/crater/work/local/target-dirs/beta-1.38-1/worker-1/beta-2019-08-13:/opt/crater/target:rw,Z" "-v" "/mnt/big/crater/work/ex/beta-1.38-1/sources/beta-2019-08-13/reg/maven-version-rs/0.1.0:/opt/crater/workdir:ro,Z" "-v" "/mnt/big/crater/work/local/cargo-home:/opt/crater/cargo-home:ro,Z" "-v" "/mnt/big/crater/work/local/rustup-home:/opt/crater/rustup-home:ro,Z" "-e" "USER_ID=1000" "-e" "SOURCE_DIR=/opt/crater/workdir" "-e" "MAP_USER_ID=1000" "-e" "CARGO_TARGET_DIR=/opt/crater/target" "-e" "CARGO_INCREMENTAL=0" "-e" "RUST_BACKTRACE=full" "-e" "RUSTFLAGS=--cap-lints=warn" "-e" "CARGO_HOME=/opt/crater/cargo-home" "-e" "RUSTUP_HOME=/opt/crater/rustup-home" "-w" "/opt/crater/workdir" "-m" "1536M" "--network" "none" "rustops/crates-build-env" "/opt/crater/cargo-home/bin/cargo" "+beta-2019-08-13" "build" "--frozen"`
[INFO] [stdout] b4b6e9de3d7303c3d46eded635f2d35b3ffc73a04b05626e50451fffaee96844
[INFO] running `"docker" "start" "-a" "b4b6e9de3d7303c3d46eded635f2d35b3ffc73a04b05626e50451fffaee96844"`
[INFO] [stderr]    Compiling maven-version-rs v0.1.0 (/opt/crater/workdir)
[INFO] [stderr] warning: unnecessary parentheses around function argument
[INFO] [stderr]    --> src/maven3.rs:362:38
[INFO] [stderr]     |
[INFO] [stderr] 362 |             normalize_sublist(items, (index + 1), start_index + 1);
[INFO] [stderr]     |                                      ^^^^^^^^^^^ help: remove these parentheses
[INFO] [stderr]     |
[INFO] [stderr]     = note: `#[warn(unused_parens)]` on by default
[INFO] [stderr] 
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 0.97s
[INFO] running `"docker" "inspect" "b4b6e9de3d7303c3d46eded635f2d35b3ffc73a04b05626e50451fffaee96844"`
[INFO] running `"docker" "rm" "-f" "b4b6e9de3d7303c3d46eded635f2d35b3ffc73a04b05626e50451fffaee96844"`
[INFO] [stdout] b4b6e9de3d7303c3d46eded635f2d35b3ffc73a04b05626e50451fffaee96844
[INFO] running `"docker" "create" "-v" "/mnt/big/crater/work/local/target-dirs/beta-1.38-1/worker-1/beta-2019-08-13:/opt/crater/target:rw,Z" "-v" "/mnt/big/crater/work/ex/beta-1.38-1/sources/beta-2019-08-13/reg/maven-version-rs/0.1.0:/opt/crater/workdir:ro,Z" "-v" "/mnt/big/crater/work/local/cargo-home:/opt/crater/cargo-home:ro,Z" "-v" "/mnt/big/crater/work/local/rustup-home:/opt/crater/rustup-home:ro,Z" "-e" "USER_ID=1000" "-e" "SOURCE_DIR=/opt/crater/workdir" "-e" "MAP_USER_ID=1000" "-e" "CARGO_TARGET_DIR=/opt/crater/target" "-e" "CARGO_INCREMENTAL=0" "-e" "RUST_BACKTRACE=full" "-e" "RUSTFLAGS=--cap-lints=warn" "-e" "CARGO_HOME=/opt/crater/cargo-home" "-e" "RUSTUP_HOME=/opt/crater/rustup-home" "-w" "/opt/crater/workdir" "-m" "1536M" "--network" "none" "rustops/crates-build-env" "/opt/crater/cargo-home/bin/cargo" "+beta-2019-08-13" "test" "--frozen" "--no-run"`
[INFO] [stdout] 28f985453b430b4254996c96f4100a97b77c6311bb1f09940984e78f2429c609
[INFO] running `"docker" "start" "-a" "28f985453b430b4254996c96f4100a97b77c6311bb1f09940984e78f2429c609"`
[INFO] [stderr]    Compiling maven-version-rs v0.1.0 (/opt/crater/workdir)
[INFO] [stderr] warning: unnecessary parentheses around function argument
[INFO] [stderr]    --> src/maven3.rs:362:38
[INFO] [stderr]     |
[INFO] [stderr] 362 |             normalize_sublist(items, (index + 1), start_index + 1);
[INFO] [stderr]     |                                      ^^^^^^^^^^^ help: remove these parentheses
[INFO] [stderr]     |
[INFO] [stderr]     = note: `#[warn(unused_parens)]` on by default
[INFO] [stderr] 
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 1.62s
[INFO] running `"docker" "inspect" "28f985453b430b4254996c96f4100a97b77c6311bb1f09940984e78f2429c609"`
[INFO] running `"docker" "rm" "-f" "28f985453b430b4254996c96f4100a97b77c6311bb1f09940984e78f2429c609"`
[INFO] [stdout] 28f985453b430b4254996c96f4100a97b77c6311bb1f09940984e78f2429c609
[INFO] running `"docker" "create" "-v" "/mnt/big/crater/work/local/target-dirs/beta-1.38-1/worker-1/beta-2019-08-13:/opt/crater/target:rw,Z" "-v" "/mnt/big/crater/work/ex/beta-1.38-1/sources/beta-2019-08-13/reg/maven-version-rs/0.1.0:/opt/crater/workdir:ro,Z" "-v" "/mnt/big/crater/work/local/cargo-home:/opt/crater/cargo-home:ro,Z" "-v" "/mnt/big/crater/work/local/rustup-home:/opt/crater/rustup-home:ro,Z" "-e" "USER_ID=1000" "-e" "SOURCE_DIR=/opt/crater/workdir" "-e" "MAP_USER_ID=1000" "-e" "CARGO_TARGET_DIR=/opt/crater/target" "-e" "CARGO_INCREMENTAL=0" "-e" "RUST_BACKTRACE=full" "-e" "RUSTFLAGS=--cap-lints=warn" "-e" "CARGO_HOME=/opt/crater/cargo-home" "-e" "RUSTUP_HOME=/opt/crater/rustup-home" "-w" "/opt/crater/workdir" "-m" "1536M" "--network" "none" "rustops/crates-build-env" "/opt/crater/cargo-home/bin/cargo" "+beta-2019-08-13" "test" "--frozen"`
[INFO] [stdout] e8f4c74040a73e9e899b0de7a543639eb6e5b6fa21de14bbcd42a13e64a810fa
[INFO] running `"docker" "start" "-a" "e8f4c74040a73e9e899b0de7a543639eb6e5b6fa21de14bbcd42a13e64a810fa"`
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 0.02s
[INFO] [stderr]      Running /opt/crater/target/debug/deps/maven_version-ced4e6205c36260c
[INFO] [stdout] 
[INFO] [stdout] running 9 tests
[INFO] [stdout] test maven2::tests::test_version_comparing ... ok
[INFO] [stdout] test maven2::tests::test_version_parsing ... ok
[INFO] [stdout] test maven3::tests::test_version_comparing ... ok
[INFO] [stdout] test maven3::tests::test_versions_equal ... ok
[INFO] [stdout] test maven2::tests::test_snapshot_releases ... ok
[INFO] [stdout] test maven2::tests::test_version_snapshot_comparing ... ok
[INFO] [stdout] test maven3::tests::test_mng5568 ... ok
[INFO] [stdout] test maven3::tests::test_versions_number ... ok
[INFO] [stdout] test maven3::tests::test_versions_qualifier ... ok
[INFO] [stdout] 
[INFO] [stdout] test result: ok. 9 passed; 0 failed; 0 ignored; 0 measured; 0 filtered out
[INFO] [stdout] 
[INFO] [stderr]    Doc-tests maven_version
[INFO] [stdout] 
[INFO] [stdout] running 1 test
[INFO] [stdout] test src/maven3.rs - maven3::Maven3ArtifactVersion::new (line 37) ... ok
[INFO] [stdout] 
[INFO] [stdout] test result: ok. 1 passed; 0 failed; 0 ignored; 0 measured; 0 filtered out
[INFO] [stdout] 
[INFO] running `"docker" "inspect" "e8f4c74040a73e9e899b0de7a543639eb6e5b6fa21de14bbcd42a13e64a810fa"`
[INFO] running `"docker" "rm" "-f" "e8f4c74040a73e9e899b0de7a543639eb6e5b6fa21de14bbcd42a13e64a810fa"`
[INFO] [stdout] e8f4c74040a73e9e899b0de7a543639eb6e5b6fa21de14bbcd42a13e64a810fa