[INFO] updating cached repository https://github.com/adelelopez/khovanov
[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] 8f0566d6007b183bd06e4a3176470d030c8983de
[INFO] testing adelelopez/khovanov against beta-2019-09-28 for beta-1.39-1
[INFO] running `"git" "clone" "work/cache/git-repos/https%3A%2F%2Fgithub.com%2Fadelelopez%2Fkhovanov" "work/builds/worker-8/source"`
[INFO] [stderr] Cloning into 'work/builds/worker-8/source'...
[INFO] [stderr] done.
[INFO] validating manifest of git repo https://github.com/adelelopez/khovanov 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/adelelopez/khovanov
[INFO] finished tweaking git repo https://github.com/adelelopez/khovanov
[INFO] tweaked toml for git repo https://github.com/adelelopez/khovanov written to work/builds/worker-8/source/Cargo.toml
[INFO] crate git repo https://github.com/adelelopez/khovanov 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] [stderr] error: the lock file /big/crater/work/builds/worker-8/source/Cargo.lock needs to be updated but --locked was passed to prevent this
[INFO] the lockfile is outdated, regenerating it
[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-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" "+beta-2019-09-28" "build" "--frozen"`
[INFO] [stdout] 6c21c028fbc16fd72df912e9eeff7ef4b0ff04e03e30a0e21e06bc07cbf53838
[INFO] running `"docker" "start" "-a" "6c21c028fbc16fd72df912e9eeff7ef4b0ff04e03e30a0e21e06bc07cbf53838"`
[INFO] [stderr]    Compiling khovanov v0.1.5 (/opt/rustwide/workdir)
[INFO] [stderr] warning: use of deprecated item 'try': use the `?` operator instead
[INFO] [stderr]   --> src/poly.rs:66:38
[INFO] [stderr]    |
[INFO] [stderr] 66 |                     (true, false) => try!(write!(f, "-")),
[INFO] [stderr]    |                                      ^^^
[INFO] [stderr]    |
[INFO] [stderr]    = note: `#[warn(deprecated)]` on by default
[INFO] [stderr] 
[INFO] [stderr] warning: use of deprecated item 'try': use the `?` operator instead
[INFO] [stderr]   --> src/poly.rs:67:38
[INFO] [stderr]    |
[INFO] [stderr] 67 |                     (false, true) => try!(write!(f, " + ")),
[INFO] [stderr]    |                                      ^^^
[INFO] [stderr] 
[INFO] [stderr] warning: use of deprecated item 'try': use the `?` operator instead
[INFO] [stderr]   --> src/poly.rs:68:39
[INFO] [stderr]    |
[INFO] [stderr] 68 |                     (false, false) => try!(write!(f, " - ")),
[INFO] [stderr]    |                                       ^^^
[INFO] [stderr] 
[INFO] [stderr] warning: use of deprecated item 'try': use the `?` operator instead
[INFO] [stderr]   --> src/poly.rs:75:21
[INFO] [stderr]    |
[INFO] [stderr] 75 |                     try!(write!(f, "{}", (*coeff).abs()))
[INFO] [stderr]    |                     ^^^
[INFO] [stderr] 
[INFO] [stderr] warning: use of deprecated item 'try': use the `?` operator instead
[INFO] [stderr]   --> src/poly.rs:79:21
[INFO] [stderr]    |
[INFO] [stderr] 79 |                     try!(write!(f, "q"))
[INFO] [stderr]    |                     ^^^
[INFO] [stderr] 
[INFO] [stderr] warning: use of deprecated item 'try': use the `?` operator instead
[INFO] [stderr]   --> src/poly.rs:81:21
[INFO] [stderr]    |
[INFO] [stderr] 81 |                     try!(write!(f, "q^{}", exp))
[INFO] [stderr]    |                     ^^^
[INFO] [stderr] 
[INFO] [stderr] warning: use of deprecated item 'try': use the `?` operator instead
[INFO] [stderr]   --> src/poly.rs:88:13
[INFO] [stderr]    |
[INFO] [stderr] 88 |             try!(write!(f, "0"))
[INFO] [stderr]    |             ^^^
[INFO] [stderr] 
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 0.44s
[INFO] running `"docker" "inspect" "6c21c028fbc16fd72df912e9eeff7ef4b0ff04e03e30a0e21e06bc07cbf53838"`
[INFO] running `"docker" "rm" "-f" "6c21c028fbc16fd72df912e9eeff7ef4b0ff04e03e30a0e21e06bc07cbf53838"`
[INFO] [stdout] 6c21c028fbc16fd72df912e9eeff7ef4b0ff04e03e30a0e21e06bc07cbf53838
[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" "+beta-2019-09-28" "test" "--frozen" "--no-run"`
[INFO] [stdout] 7dbebc3fa36d210f719c6796356f3357002786eb7920aea90c210d01f6682794
[INFO] running `"docker" "start" "-a" "7dbebc3fa36d210f719c6796356f3357002786eb7920aea90c210d01f6682794"`
[INFO] [stderr]    Compiling khovanov v0.1.5 (/opt/rustwide/workdir)
[INFO] [stderr] warning: use of deprecated item 'try': use the `?` operator instead
[INFO] [stderr]   --> src/poly.rs:66:38
[INFO] [stderr]    |
[INFO] [stderr] 66 |                     (true, false) => try!(write!(f, "-")),
[INFO] [stderr]    |                                      ^^^
[INFO] [stderr]    |
[INFO] [stderr]    = note: `#[warn(deprecated)]` on by default
[INFO] [stderr] 
[INFO] [stderr] warning: use of deprecated item 'try': use the `?` operator instead
[INFO] [stderr]   --> src/poly.rs:67:38
[INFO] [stderr]    |
[INFO] [stderr] 67 |                     (false, true) => try!(write!(f, " + ")),
[INFO] [stderr]    |                                      ^^^
[INFO] [stderr] 
[INFO] [stderr] warning: use of deprecated item 'try': use the `?` operator instead
[INFO] [stderr]   --> src/poly.rs:68:39
[INFO] [stderr]    |
[INFO] [stderr] 68 |                     (false, false) => try!(write!(f, " - ")),
[INFO] [stderr]    |                                       ^^^
[INFO] [stderr] 
[INFO] [stderr] warning: use of deprecated item 'try': use the `?` operator instead
[INFO] [stderr]   --> src/poly.rs:75:21
[INFO] [stderr]    |
[INFO] [stderr] 75 |                     try!(write!(f, "{}", (*coeff).abs()))
[INFO] [stderr]    |                     ^^^
[INFO] [stderr] 
[INFO] [stderr] warning: use of deprecated item 'try': use the `?` operator instead
[INFO] [stderr]   --> src/poly.rs:79:21
[INFO] [stderr]    |
[INFO] [stderr] 79 |                     try!(write!(f, "q"))
[INFO] [stderr]    |                     ^^^
[INFO] [stderr] 
[INFO] [stderr] warning: use of deprecated item 'try': use the `?` operator instead
[INFO] [stderr]   --> src/poly.rs:81:21
[INFO] [stderr]    |
[INFO] [stderr] 81 |                     try!(write!(f, "q^{}", exp))
[INFO] [stderr]    |                     ^^^
[INFO] [stderr] 
[INFO] [stderr] warning: use of deprecated item 'try': use the `?` operator instead
[INFO] [stderr]   --> src/poly.rs:88:13
[INFO] [stderr]    |
[INFO] [stderr] 88 |             try!(write!(f, "0"))
[INFO] [stderr]    |             ^^^
[INFO] [stderr] 
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 1.77s
[INFO] running `"docker" "inspect" "7dbebc3fa36d210f719c6796356f3357002786eb7920aea90c210d01f6682794"`
[INFO] running `"docker" "rm" "-f" "7dbebc3fa36d210f719c6796356f3357002786eb7920aea90c210d01f6682794"`
[INFO] [stdout] 7dbebc3fa36d210f719c6796356f3357002786eb7920aea90c210d01f6682794
[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" "+beta-2019-09-28" "test" "--frozen"`
[INFO] [stdout] bbccf5a8c3629fa8af5259f560f1ffd2de09bb29b120ecf2847cda5fc5cb6486
[INFO] running `"docker" "start" "-a" "bbccf5a8c3629fa8af5259f560f1ffd2de09bb29b120ecf2847cda5fc5cb6486"`
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 0.06s
[INFO] [stderr]      Running /opt/rustwide/target/debug/deps/khovanov-b17cd7ecbec11773
[INFO] [stdout] 
[INFO] [stdout] running 14 tests
[INFO] [stdout] test tests::equality_over_degree_shifts ... ok
[INFO] [stdout] test tests::multiplication ... ok
[INFO] [stdout] test tests::test_shift ... ok
[INFO] [stdout] test tests::subtract_zero ... ok
[INFO] [stdout] test tests::test_pow ... ok
[INFO] [stdout] test tests::poly_plus_zero ... ok
[INFO] [stdout] test tests::twice_poly ... ok
[INFO] [stdout] test tests::mult_by_one ... ok
[INFO] [stdout] test tests::additive_inverse ... ok
[INFO] [stdout] test tests::addition_subtraction ... ok
[INFO] [stdout] test tests::mult_by_zero ... ok
[INFO] [stdout] test tests::test_cobordism ... ok
[INFO] [stdout] test tests::subtract_from_self ... ok
[INFO] [stdout] test tests::double_negative ... ok
[INFO] [stdout] 
[INFO] [stdout] test result: ok. 14 passed; 0 failed; 0 ignored; 0 measured; 0 filtered out
[INFO] [stdout] 
[INFO] running `"docker" "inspect" "bbccf5a8c3629fa8af5259f560f1ffd2de09bb29b120ecf2847cda5fc5cb6486"`
[INFO] running `"docker" "rm" "-f" "bbccf5a8c3629fa8af5259f560f1ffd2de09bb29b120ecf2847cda5fc5cb6486"`
[INFO] [stdout] bbccf5a8c3629fa8af5259f560f1ffd2de09bb29b120ecf2847cda5fc5cb6486