[INFO] cloning repository https://github.com/adelelopez/khovanov
[INFO] running `Command { std: "git" "-c" "credential.helper=" "-c" "credential.helper=/workspace/cargo-home/bin/git-credential-null" "clone" "--bare" "https://github.com/adelelopez/khovanov" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fadelelopez%2Fkhovanov", kill_on_drop: false }`
[INFO] [stderr] Cloning into bare repository '/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fadelelopez%2Fkhovanov'...
[INFO] running `Command { std: "git" "rev-parse" "HEAD", kill_on_drop: false }`
[INFO] [stdout] 8f0566d6007b183bd06e4a3176470d030c8983de
[INFO] testing adelelopez/khovanov against try#d2e9fff28e244f1ea4927194f1f9b77f93e2ffe2 for pr-86479
[INFO] running `Command { std: "git" "clone" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fadelelopez%2Fkhovanov" "/workspace/builds/worker-8/source", kill_on_drop: false }`
[INFO] [stderr] Cloning into '/workspace/builds/worker-8/source'...
[INFO] [stderr] done.
[INFO] validating manifest of git repo https://github.com/adelelopez/khovanov on toolchain d2e9fff28e244f1ea4927194f1f9b77f93e2ffe2
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+d2e9fff28e244f1ea4927194f1f9b77f93e2ffe2" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }`
[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 /workspace/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 `Command { std: "/workspace/cargo-home/bin/cargo" "+d2e9fff28e244f1ea4927194f1f9b77f93e2ffe2" "fetch" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] [stderr]     Blocking waiting for file lock on package cache
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-8/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-8/source:/opt/rustwide/workdir:ro,Z" "-v" "/var/lib/crater-agent-workspace/cargo-home:/opt/rustwide/cargo-home:ro,Z" "-v" "/var/lib/crater-agent-workspace/rustup-home:/opt/rustwide/rustup-home:ro,Z" "-e" "SOURCE_DIR=/opt/rustwide/workdir" "-e" "CARGO_TARGET_DIR=/opt/rustwide/target" "-e" "CARGO_HOME=/opt/rustwide/cargo-home" "-e" "RUSTUP_HOME=/opt/rustwide/rustup-home" "-w" "/opt/rustwide/workdir" "-m" "1610612736" "--user" "0:0" "--network" "none" "ghcr.io/rust-lang/crates-build-env/linux@sha256:34b6a614d2c27851fe6cbf88fbd1137609cefab8b10d0615aaeb6fd47975d74e" "/opt/rustwide/cargo-home/bin/cargo" "+d2e9fff28e244f1ea4927194f1f9b77f93e2ffe2" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] 4faa7ead53a1da399d724f2f2552b97324dd754526a28bf2b2181b09f7423818
[INFO] running `Command { std: "docker" "start" "-a" "4faa7ead53a1da399d724f2f2552b97324dd754526a28bf2b2181b09f7423818", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "4faa7ead53a1da399d724f2f2552b97324dd754526a28bf2b2181b09f7423818", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "4faa7ead53a1da399d724f2f2552b97324dd754526a28bf2b2181b09f7423818", kill_on_drop: false }`
[INFO] [stdout] 4faa7ead53a1da399d724f2f2552b97324dd754526a28bf2b2181b09f7423818
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-8/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-8/source:/opt/rustwide/workdir:ro,Z" "-v" "/var/lib/crater-agent-workspace/cargo-home:/opt/rustwide/cargo-home:ro,Z" "-v" "/var/lib/crater-agent-workspace/rustup-home:/opt/rustwide/rustup-home:ro,Z" "-e" "SOURCE_DIR=/opt/rustwide/workdir" "-e" "CARGO_TARGET_DIR=/opt/rustwide/target" "-e" "CARGO_INCREMENTAL=0" "-e" "RUST_BACKTRACE=full" "-e" "RUSTFLAGS=--cap-lints=forbid" "-e" "CARGO_HOME=/opt/rustwide/cargo-home" "-e" "RUSTUP_HOME=/opt/rustwide/rustup-home" "-w" "/opt/rustwide/workdir" "-m" "1610612736" "--user" "0:0" "--network" "none" "ghcr.io/rust-lang/crates-build-env/linux@sha256:34b6a614d2c27851fe6cbf88fbd1137609cefab8b10d0615aaeb6fd47975d74e" "/opt/rustwide/cargo-home/bin/cargo" "+d2e9fff28e244f1ea4927194f1f9b77f93e2ffe2" "build" "--frozen" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] 3285d6826ecbb186c6b2f332c0fcea3e8c056424d305d3d05be0592bba53b396
[INFO] running `Command { std: "docker" "start" "-a" "3285d6826ecbb186c6b2f332c0fcea3e8c056424d305d3d05be0592bba53b396", kill_on_drop: false }`
[INFO] [stderr]    Compiling khovanov v0.1.5 (/opt/rustwide/workdir)
[INFO] [stdout] warning: use of deprecated macro `try`: use the `?` operator instead
[INFO] [stdout]   --> src/poly.rs:66:38
[INFO] [stdout]    |
[INFO] [stdout] 66 |                     (true, false) => try!(write!(f, "-")),
[INFO] [stdout]    |                                      ^^^
[INFO] [stdout]    |
[INFO] [stdout]    = note: `#[warn(deprecated)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: use of deprecated macro `try`: use the `?` operator instead
[INFO] [stdout]   --> src/poly.rs:67:38
[INFO] [stdout]    |
[INFO] [stdout] 67 |                     (false, true) => try!(write!(f, " + ")),
[INFO] [stdout]    |                                      ^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: use of deprecated macro `try`: use the `?` operator instead
[INFO] [stdout]   --> src/poly.rs:68:39
[INFO] [stdout]    |
[INFO] [stdout] 68 |                     (false, false) => try!(write!(f, " - ")),
[INFO] [stdout]    |                                       ^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: use of deprecated macro `try`: use the `?` operator instead
[INFO] [stdout]   --> src/poly.rs:75:21
[INFO] [stdout]    |
[INFO] [stdout] 75 |                     try!(write!(f, "{}", (*coeff).abs()))
[INFO] [stdout]    |                     ^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: use of deprecated macro `try`: use the `?` operator instead
[INFO] [stdout]   --> src/poly.rs:79:21
[INFO] [stdout]    |
[INFO] [stdout] 79 |                     try!(write!(f, "q"))
[INFO] [stdout]    |                     ^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: use of deprecated macro `try`: use the `?` operator instead
[INFO] [stdout]   --> src/poly.rs:81:21
[INFO] [stdout]    |
[INFO] [stdout] 81 |                     try!(write!(f, "q^{}", exp))
[INFO] [stdout]    |                     ^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: use of deprecated macro `try`: use the `?` operator instead
[INFO] [stdout]   --> src/poly.rs:88:13
[INFO] [stdout]    |
[INFO] [stdout] 88 |             try!(write!(f, "0"))
[INFO] [stdout]    |             ^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 0.94s
[INFO] [stdout] warning: 7 warnings emitted
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] running `Command { std: "docker" "inspect" "3285d6826ecbb186c6b2f332c0fcea3e8c056424d305d3d05be0592bba53b396", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "3285d6826ecbb186c6b2f332c0fcea3e8c056424d305d3d05be0592bba53b396", kill_on_drop: false }`
[INFO] [stdout] 3285d6826ecbb186c6b2f332c0fcea3e8c056424d305d3d05be0592bba53b396
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-8/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-8/source:/opt/rustwide/workdir:ro,Z" "-v" "/var/lib/crater-agent-workspace/cargo-home:/opt/rustwide/cargo-home:ro,Z" "-v" "/var/lib/crater-agent-workspace/rustup-home:/opt/rustwide/rustup-home:ro,Z" "-e" "SOURCE_DIR=/opt/rustwide/workdir" "-e" "CARGO_TARGET_DIR=/opt/rustwide/target" "-e" "CARGO_INCREMENTAL=0" "-e" "RUST_BACKTRACE=full" "-e" "RUSTFLAGS=--cap-lints=forbid" "-e" "CARGO_HOME=/opt/rustwide/cargo-home" "-e" "RUSTUP_HOME=/opt/rustwide/rustup-home" "-w" "/opt/rustwide/workdir" "-m" "1610612736" "--user" "0:0" "--network" "none" "ghcr.io/rust-lang/crates-build-env/linux@sha256:34b6a614d2c27851fe6cbf88fbd1137609cefab8b10d0615aaeb6fd47975d74e" "/opt/rustwide/cargo-home/bin/cargo" "+d2e9fff28e244f1ea4927194f1f9b77f93e2ffe2" "test" "--frozen" "--no-run" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] 264a7317bcdfc3507d5771a533d6a6faa03fa28b647932d383c2b9c68ca91b4f
[INFO] running `Command { std: "docker" "start" "-a" "264a7317bcdfc3507d5771a533d6a6faa03fa28b647932d383c2b9c68ca91b4f", kill_on_drop: false }`
[INFO] [stderr]    Compiling khovanov v0.1.5 (/opt/rustwide/workdir)
[INFO] [stdout] warning: use of deprecated macro `try`: use the `?` operator instead
[INFO] [stdout]   --> src/poly.rs:66:38
[INFO] [stdout]    |
[INFO] [stdout] 66 |                     (true, false) => try!(write!(f, "-")),
[INFO] [stdout]    |                                      ^^^
[INFO] [stdout]    |
[INFO] [stdout]    = note: `#[warn(deprecated)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: use of deprecated macro `try`: use the `?` operator instead
[INFO] [stdout]   --> src/poly.rs:67:38
[INFO] [stdout]    |
[INFO] [stdout] 67 |                     (false, true) => try!(write!(f, " + ")),
[INFO] [stdout]    |                                      ^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: use of deprecated macro `try`: use the `?` operator instead
[INFO] [stdout]   --> src/poly.rs:68:39
[INFO] [stdout]    |
[INFO] [stdout] 68 |                     (false, false) => try!(write!(f, " - ")),
[INFO] [stdout]    |                                       ^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: use of deprecated macro `try`: use the `?` operator instead
[INFO] [stdout]   --> src/poly.rs:75:21
[INFO] [stdout]    |
[INFO] [stdout] 75 |                     try!(write!(f, "{}", (*coeff).abs()))
[INFO] [stdout]    |                     ^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: use of deprecated macro `try`: use the `?` operator instead
[INFO] [stdout]   --> src/poly.rs:79:21
[INFO] [stdout]    |
[INFO] [stdout] 79 |                     try!(write!(f, "q"))
[INFO] [stdout]    |                     ^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: use of deprecated macro `try`: use the `?` operator instead
[INFO] [stdout]   --> src/poly.rs:81:21
[INFO] [stdout]    |
[INFO] [stdout] 81 |                     try!(write!(f, "q^{}", exp))
[INFO] [stdout]    |                     ^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: use of deprecated macro `try`: use the `?` operator instead
[INFO] [stdout]   --> src/poly.rs:88:13
[INFO] [stdout]    |
[INFO] [stdout] 88 |             try!(write!(f, "0"))
[INFO] [stdout]    |             ^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: 7 warnings emitted
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr]     Finished test [unoptimized + debuginfo] target(s) in 1.14s
[INFO] running `Command { std: "docker" "inspect" "264a7317bcdfc3507d5771a533d6a6faa03fa28b647932d383c2b9c68ca91b4f", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "264a7317bcdfc3507d5771a533d6a6faa03fa28b647932d383c2b9c68ca91b4f", kill_on_drop: false }`
[INFO] [stdout] 264a7317bcdfc3507d5771a533d6a6faa03fa28b647932d383c2b9c68ca91b4f
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-8/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-8/source:/opt/rustwide/workdir:ro,Z" "-v" "/var/lib/crater-agent-workspace/cargo-home:/opt/rustwide/cargo-home:ro,Z" "-v" "/var/lib/crater-agent-workspace/rustup-home:/opt/rustwide/rustup-home:ro,Z" "-e" "SOURCE_DIR=/opt/rustwide/workdir" "-e" "CARGO_TARGET_DIR=/opt/rustwide/target" "-e" "CARGO_INCREMENTAL=0" "-e" "RUST_BACKTRACE=full" "-e" "RUSTFLAGS=--cap-lints=forbid" "-e" "CARGO_HOME=/opt/rustwide/cargo-home" "-e" "RUSTUP_HOME=/opt/rustwide/rustup-home" "-w" "/opt/rustwide/workdir" "-m" "1610612736" "--user" "0:0" "--network" "none" "ghcr.io/rust-lang/crates-build-env/linux@sha256:34b6a614d2c27851fe6cbf88fbd1137609cefab8b10d0615aaeb6fd47975d74e" "/opt/rustwide/cargo-home/bin/cargo" "+d2e9fff28e244f1ea4927194f1f9b77f93e2ffe2" "test" "--frozen", kill_on_drop: false }`
[INFO] [stdout] 4a5c8f0179d4062a7528190c79a166bfd65218c7691ce28151b6dea0f5441ae8
[INFO] running `Command { std: "docker" "start" "-a" "4a5c8f0179d4062a7528190c79a166bfd65218c7691ce28151b6dea0f5441ae8", kill_on_drop: false }`
[INFO] [stdout] 
[INFO] [stderr] warning: use of deprecated macro `try`: use the `?` operator instead
[INFO] [stdout] running 14 tests
[INFO] [stderr]   --> src/poly.rs:66:38
[INFO] [stdout] test tests::addition_subtraction ... ok
[INFO] [stderr]    |
[INFO] [stdout] test tests::additive_inverse ... ok
[INFO] [stderr] 66 |                     (true, false) => try!(write!(f, "-")),
[INFO] [stdout] test tests::test_pow ... ok
[INFO] [stderr]    |                                      ^^^
[INFO] [stdout] test tests::subtract_from_self ... ok
[INFO] [stderr]    |
[INFO] [stdout] test tests::mult_by_one ... ok
[INFO] [stderr]    = note: `#[warn(deprecated)]` on by default
[INFO] [stdout] test tests::multiplication ... ok
[INFO] [stderr] 
[INFO] [stdout] test tests::test_shift ... ok
[INFO] [stderr] warning: use of deprecated macro `try`: use the `?` operator instead
[INFO] [stdout] test tests::equality_over_degree_shifts ... ok
[INFO] [stderr]   --> src/poly.rs:67:38
[INFO] [stdout] test tests::subtract_zero ... ok
[INFO] [stderr]    |
[INFO] [stdout] test tests::mult_by_zero ... ok
[INFO] [stderr] 67 |                     (false, true) => try!(write!(f, " + ")),
[INFO] [stdout] test tests::poly_plus_zero ... ok
[INFO] [stderr]    |                                      ^^^
[INFO] [stdout] test tests::double_negative ... ok
[INFO] [stderr] 
[INFO] [stdout] test tests::twice_poly ... ok
[INFO] [stderr] warning: use of deprecated macro `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 macro `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 macro `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 macro `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 macro `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] warning: `khovanov` (bin "khovanov" test) generated 7 warnings
[INFO] [stderr]     Finished test [unoptimized + debuginfo] target(s) in 0.01s
[INFO] [stderr]      Running unittests (/opt/rustwide/target/debug/deps/khovanov-faf8161a30345d82)
[INFO] [stdout] test tests::test_cobordism ... ok
[INFO] [stdout] 
[INFO] [stdout] test result: ok. 14 passed; 0 failed; 0 ignored; 0 measured; 0 filtered out; finished in 0.01s
[INFO] [stdout] 
[INFO] running `Command { std: "docker" "inspect" "4a5c8f0179d4062a7528190c79a166bfd65218c7691ce28151b6dea0f5441ae8", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "4a5c8f0179d4062a7528190c79a166bfd65218c7691ce28151b6dea0f5441ae8", kill_on_drop: false }`
[INFO] [stdout] 4a5c8f0179d4062a7528190c79a166bfd65218c7691ce28151b6dea0f5441ae8