[INFO] updating cached repository https://github.com/sjsyrek/cormen-rust
[INFO] running `"git" "-c" "credential.helper=" "-c" "credential.helper=/big/crater/work/cargo-home/bin/git-credential-null" "-c" "remote.origin.fetch=refs/heads/*:refs/heads/*" "fetch" "origin" "--force" "--prune"`
[INFO] running `"git" "rev-parse" "HEAD"`
[INFO] [stdout] 5d48e3c79004cd805bba4e3ec5c971b1448de5f9
[INFO] testing sjsyrek/cormen-rust against beta-2019-09-28 for beta-1.39-1
[INFO] running `"git" "clone" "work/cache/git-repos/https%3A%2F%2Fgithub.com%2Fsjsyrek%2Fcormen-rust" "work/builds/worker-6/source"`
[INFO] [stderr] Cloning into 'work/builds/worker-6/source'...
[INFO] [stderr] done.
[INFO] validating manifest of git repo https://github.com/sjsyrek/cormen-rust 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 git repo https://github.com/sjsyrek/cormen-rust
[INFO] finished tweaking git repo https://github.com/sjsyrek/cormen-rust
[INFO] tweaked toml for git repo https://github.com/sjsyrek/cormen-rust written to work/builds/worker-6/source/Cargo.toml
[INFO] crate git repo https://github.com/sjsyrek/cormen-rust already has a lockfile, it will not be regenerated
[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-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" "+beta-2019-09-28" "build" "--frozen"`
[INFO] [stdout] 2187814d320e0c2e5c66b24c8ea8dccff5677928565b7a87129bd8a6f4fa00eb
[INFO] running `"docker" "start" "-a" "2187814d320e0c2e5c66b24c8ea8dccff5677928565b7a87129bd8a6f4fa00eb"`
[INFO] [stderr]    Compiling cormen_rust v0.2.0 (/opt/rustwide/workdir)
[INFO] [stderr] warning: unnecessary parentheses around function argument
[INFO] [stderr]   --> src/sorts/merge_sort.rs:14:40
[INFO] [stderr]    |
[INFO] [stderr] 14 |     let mut left: Vec<isize> = vec![0; (n1 + 1)];
[INFO] [stderr]    |                                        ^^^^^^^^ help: remove these parentheses
[INFO] [stderr]    |
[INFO] [stderr]    = note: `#[warn(unused_parens)]` on by default
[INFO] [stderr] 
[INFO] [stderr] warning: unnecessary parentheses around function argument
[INFO] [stderr]   --> src/sorts/merge_sort.rs:15:41
[INFO] [stderr]    |
[INFO] [stderr] 15 |     let mut right: Vec<isize> = vec![0; (n2 + 1)];
[INFO] [stderr]    |                                         ^^^^^^^^ help: remove these parentheses
[INFO] [stderr] 
[INFO] [stderr] warning: use of deprecated item 'core::str::<impl str>::trim_right_matches': superseded by `trim_end_matches`
[INFO] [stderr]   --> src/utils.rs:15:26
[INFO] [stderr]    |
[INFO] [stderr] 15 |     "[".to_string() + &s.trim_right_matches(", ").to_string() + "]"
[INFO] [stderr]    |                          ^^^^^^^^^^^^^^^^^^ help: replace the use of the deprecated item: `trim_end_matches`
[INFO] [stderr]    |
[INFO] [stderr]    = note: `#[warn(deprecated)]` on by default
[INFO] [stderr] 
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 0.41s
[INFO] running `"docker" "inspect" "2187814d320e0c2e5c66b24c8ea8dccff5677928565b7a87129bd8a6f4fa00eb"`
[INFO] running `"docker" "rm" "-f" "2187814d320e0c2e5c66b24c8ea8dccff5677928565b7a87129bd8a6f4fa00eb"`
[INFO] [stdout] 2187814d320e0c2e5c66b24c8ea8dccff5677928565b7a87129bd8a6f4fa00eb
[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" "+beta-2019-09-28" "test" "--frozen" "--no-run"`
[INFO] [stdout] e9926db61089f7feb404bac09ae2d7fa155408b061e09c40d08d6e2939c2d2b3
[INFO] running `"docker" "start" "-a" "e9926db61089f7feb404bac09ae2d7fa155408b061e09c40d08d6e2939c2d2b3"`
[INFO] [stderr]    Compiling cormen_rust v0.2.0 (/opt/rustwide/workdir)
[INFO] [stderr] warning: unnecessary parentheses around function argument
[INFO] [stderr]   --> src/sorts/merge_sort.rs:14:40
[INFO] [stderr]    |
[INFO] [stderr] 14 |     let mut left: Vec<isize> = vec![0; (n1 + 1)];
[INFO] [stderr]    |                                        ^^^^^^^^ help: remove these parentheses
[INFO] [stderr]    |
[INFO] [stderr]    = note: `#[warn(unused_parens)]` on by default
[INFO] [stderr] 
[INFO] [stderr] warning: unnecessary parentheses around function argument
[INFO] [stderr]   --> src/sorts/merge_sort.rs:15:41
[INFO] [stderr]    |
[INFO] [stderr] 15 |     let mut right: Vec<isize> = vec![0; (n2 + 1)];
[INFO] [stderr]    |                                         ^^^^^^^^ help: remove these parentheses
[INFO] [stderr] 
[INFO] [stderr] warning: use of deprecated item 'core::str::<impl str>::trim_right_matches': superseded by `trim_end_matches`
[INFO] [stderr]   --> src/utils.rs:15:26
[INFO] [stderr]    |
[INFO] [stderr] 15 |     "[".to_string() + &s.trim_right_matches(", ").to_string() + "]"
[INFO] [stderr]    |                          ^^^^^^^^^^^^^^^^^^ help: replace the use of the deprecated item: `trim_end_matches`
[INFO] [stderr]    |
[INFO] [stderr]    = note: `#[warn(deprecated)]` on by default
[INFO] [stderr] 
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 0.42s
[INFO] running `"docker" "inspect" "e9926db61089f7feb404bac09ae2d7fa155408b061e09c40d08d6e2939c2d2b3"`
[INFO] running `"docker" "rm" "-f" "e9926db61089f7feb404bac09ae2d7fa155408b061e09c40d08d6e2939c2d2b3"`
[INFO] [stdout] e9926db61089f7feb404bac09ae2d7fa155408b061e09c40d08d6e2939c2d2b3
[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" "+beta-2019-09-28" "test" "--frozen"`
[INFO] [stdout] 16a0ae1879367da5a736842f71f11f40e7223243701e8b44cae4f269f9fc8b07
[INFO] running `"docker" "start" "-a" "16a0ae1879367da5a736842f71f11f40e7223243701e8b44cae4f269f9fc8b07"`
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 0.02s
[INFO] [stderr]      Running /opt/rustwide/target/debug/deps/cormen_rust-0c7c1c5a1080c153
[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 cormen_rust
[INFO] [stdout] 
[INFO] [stdout] running 5 tests
[INFO] [stdout] test src/sorts/selection_sort.rs - sorts::selection_sort::selection_sort (line 5) ... ok
[INFO] [stdout] test src/sorts/merge_sort.rs - sorts::merge_sort::merge_sort (line 42) ... ok
[INFO] [stdout] test src/sorts/insertion_sort.rs - sorts::insertion_sort::insertion_sort (line 5) ... ok
[INFO] [stdout] test src/sorts/merge_sort.rs - sorts::merge_sort::merge (line 5) ... ok
[INFO] [stdout] test src/utils.rs - utils::vec_to_str (line 5) ... ok
[INFO] [stdout] 
[INFO] [stdout] test result: ok. 5 passed; 0 failed; 0 ignored; 0 measured; 0 filtered out
[INFO] [stdout] 
[INFO] running `"docker" "inspect" "16a0ae1879367da5a736842f71f11f40e7223243701e8b44cae4f269f9fc8b07"`
[INFO] running `"docker" "rm" "-f" "16a0ae1879367da5a736842f71f11f40e7223243701e8b44cae4f269f9fc8b07"`
[INFO] [stdout] 16a0ae1879367da5a736842f71f11f40e7223243701e8b44cae4f269f9fc8b07