[INFO] cloning repository https://github.com/pulpdrew/sudoku
[INFO] running `Command { std: "git" "-c" "credential.helper=" "-c" "credential.helper=/workspace/cargo-home/bin/git-credential-null" "clone" "--bare" "https://github.com/pulpdrew/sudoku" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fpulpdrew%2Fsudoku", kill_on_drop: false }`
[INFO] [stderr] Cloning into bare repository '/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fpulpdrew%2Fsudoku'...
[INFO] running `Command { std: "git" "rev-parse" "HEAD", kill_on_drop: false }`
[INFO] [stdout] 3b79e0a450635439e5f1e220e07cf52f08887777
[INFO] testing pulpdrew/sudoku against 1.55.0 for beta-1.56-1
[INFO] running `Command { std: "git" "clone" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fpulpdrew%2Fsudoku" "/workspace/builds/worker-3/source", kill_on_drop: false }`
[INFO] [stderr] Cloning into '/workspace/builds/worker-3/source'...
[INFO] [stderr] done.
[INFO] validating manifest of git repo https://github.com/pulpdrew/sudoku on toolchain 1.55.0
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+1.55.0" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }`
[INFO] started tweaking git repo https://github.com/pulpdrew/sudoku
[INFO] finished tweaking git repo https://github.com/pulpdrew/sudoku
[INFO] tweaked toml for git repo https://github.com/pulpdrew/sudoku written to /workspace/builds/worker-3/source/Cargo.toml
[INFO] crate git repo https://github.com/pulpdrew/sudoku already has a lockfile, it will not be regenerated
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+1.55.0" "fetch" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-3/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-3/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:a89201d6b5b9fd45c15d5952ece0a0129e7e80cb26ec023fd59cf09bc26f1604" "/opt/rustwide/cargo-home/bin/cargo" "+1.55.0" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] deee7873802f14aad397435fecf87db24395f43b3357c7a6341009ba3e8c91d7
[INFO] [stderr] WARNING: Your kernel does not support swap limit capabilities or the cgroup is not mounted. Memory limited without swap.
[INFO] running `Command { std: "docker" "start" "-a" "deee7873802f14aad397435fecf87db24395f43b3357c7a6341009ba3e8c91d7", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "deee7873802f14aad397435fecf87db24395f43b3357c7a6341009ba3e8c91d7", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "deee7873802f14aad397435fecf87db24395f43b3357c7a6341009ba3e8c91d7", kill_on_drop: false }`
[INFO] [stdout] deee7873802f14aad397435fecf87db24395f43b3357c7a6341009ba3e8c91d7
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-3/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-3/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=warn" "-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:a89201d6b5b9fd45c15d5952ece0a0129e7e80cb26ec023fd59cf09bc26f1604" "/opt/rustwide/cargo-home/bin/cargo" "+1.55.0" "build" "--frozen" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] 02dab7138edb1aea03b090dd376fb2d1be29927f47ec951c7069047b0d91924e
[INFO] [stderr] WARNING: Your kernel does not support swap limit capabilities or the cgroup is not mounted. Memory limited without swap.
[INFO] running `Command { std: "docker" "start" "-a" "02dab7138edb1aea03b090dd376fb2d1be29927f47ec951c7069047b0d91924e", kill_on_drop: false }`
[INFO] [stderr]    Compiling sudoku v0.1.0 (/opt/rustwide/workdir)
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 2.22s
[INFO] running `Command { std: "docker" "inspect" "02dab7138edb1aea03b090dd376fb2d1be29927f47ec951c7069047b0d91924e", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "02dab7138edb1aea03b090dd376fb2d1be29927f47ec951c7069047b0d91924e", kill_on_drop: false }`
[INFO] [stdout] 02dab7138edb1aea03b090dd376fb2d1be29927f47ec951c7069047b0d91924e
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-3/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-3/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=warn" "-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:a89201d6b5b9fd45c15d5952ece0a0129e7e80cb26ec023fd59cf09bc26f1604" "/opt/rustwide/cargo-home/bin/cargo" "+1.55.0" "test" "--frozen" "--no-run" "--message-format=json", kill_on_drop: false }`
[INFO] [stderr] WARNING: Your kernel does not support swap limit capabilities or the cgroup is not mounted. Memory limited without swap.
[INFO] [stdout] fd0aa14a11bd06531a8f1c8952183da8b13265e3fc0ecf584d65a6ab446963fc
[INFO] running `Command { std: "docker" "start" "-a" "fd0aa14a11bd06531a8f1c8952183da8b13265e3fc0ecf584d65a6ab446963fc", kill_on_drop: false }`
[INFO] [stderr]    Compiling sudoku v0.1.0 (/opt/rustwide/workdir)
[INFO] [stderr]     Finished test [unoptimized + debuginfo] target(s) in 1.49s
[INFO] running `Command { std: "docker" "inspect" "fd0aa14a11bd06531a8f1c8952183da8b13265e3fc0ecf584d65a6ab446963fc", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "fd0aa14a11bd06531a8f1c8952183da8b13265e3fc0ecf584d65a6ab446963fc", kill_on_drop: false }`
[INFO] [stdout] fd0aa14a11bd06531a8f1c8952183da8b13265e3fc0ecf584d65a6ab446963fc
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-3/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-3/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=warn" "-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:a89201d6b5b9fd45c15d5952ece0a0129e7e80cb26ec023fd59cf09bc26f1604" "/opt/rustwide/cargo-home/bin/cargo" "+1.55.0" "test" "--frozen", kill_on_drop: false }`
[INFO] [stdout] fabcfa99590b6fbbc9f71ae3122f63422faed8f4627008d1923e01f3298621cc
[INFO] [stderr] WARNING: Your kernel does not support swap limit capabilities or the cgroup is not mounted. Memory limited without swap.
[INFO] running `Command { std: "docker" "start" "-a" "fabcfa99590b6fbbc9f71ae3122f63422faed8f4627008d1923e01f3298621cc", kill_on_drop: false }`
[INFO] [stderr]     Finished test [unoptimized + debuginfo] target(s) in 0.01s
[INFO] [stderr]      Running unittests (/opt/rustwide/target/debug/deps/sudoku-4b089042fa4b1fed)
[INFO] [stdout] 
[INFO] [stderr]      Running unittests (/opt/rustwide/target/debug/deps/sudoku-96eca53f467ee373)
[INFO] [stdout] running 0 tests
[INFO] [stderr]    Doc-tests sudoku
[INFO] [stdout] 
[INFO] [stdout] test result: ok. 0 passed; 0 failed; 0 ignored; 0 measured; 0 filtered out; finished in 0.00s
[INFO] [stdout] 
[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; finished in 0.00s
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] running 6 tests
[INFO] [stdout] test src/nine_set.rs - nine_set::union (line 118) ... FAILED
[INFO] [stdout] test src/nine_set.rs - nine_set::NineSet::size (line 45) ... FAILED
[INFO] [stdout] test src/nine_set.rs - nine_set::NineSet::add (line 18) ... ok
[INFO] [stdout] test src/nine_set.rs - nine_set::NineSet::contains (line 32) ... ok
[INFO] [stdout] test src/nine_set.rs - nine_set::NineSet::to_vec (line 58) ... ok
[INFO] [stdout] test src/nine_set.rs - nine_set::NineSet::complement (line 79) ... ok
[INFO] [stdout] 
[INFO] [stdout] failures:
[INFO] [stdout] 
[INFO] [stdout] ---- src/nine_set.rs - nine_set::union (line 118) stdout ----
[INFO] [stdout] error: expected `;`, found `assert_eq`
[INFO] [stdout]   --> src/nine_set.rs:126:45
[INFO] [stdout]    |
[INFO] [stdout] 11 | let union = union(vec![set1, set2]).to_vec()
[INFO] [stdout]    |                                             ^ help: add `;` here
[INFO] [stdout] 12 | assert_eq!(vec![1, 2, 3], union);
[INFO] [stdout]    | --------- unexpected token
[INFO] [stdout] 
[INFO] [stdout] error: aborting due to previous error
[INFO] [stdout] 
[INFO] [stdout] Couldn't compile the test.
[INFO] [stdout] ---- src/nine_set.rs - nine_set::NineSet::size (line 45) stdout ----
[INFO] [stdout] error[E0308]: mismatched types
[INFO] [stdout]  --> src/nine_set.rs:50:1
[INFO] [stdout]   |
[INFO] [stdout] 8 | assert!(2, set.size());
[INFO] [stdout]   | ^^^^^^^^^^^^^^^^^^^^^^^ expected `bool`, found integer
[INFO] [stdout]   |
[INFO] [stdout]   = note: this error originates in the macro `assert` (in Nightly builds, run with -Z macro-backtrace for more info)
[INFO] [stdout] 
[INFO] [stdout] error: aborting due to previous error
[INFO] [stdout] 
[INFO] [stdout] For more information about this error, try `rustc --explain E0308`.
[INFO] [stdout] Couldn't compile the test.
[INFO] [stdout] 
[INFO] [stdout] failures:
[INFO] [stdout]     src/nine_set.rs - nine_set::NineSet::size (line 45)
[INFO] [stdout]     src/nine_set.rs - nine_set::union (line 118)
[INFO] [stdout] 
[INFO] [stdout] test result: FAILED. 4 passed; 2 failed; 0 ignored; 0 measured; 0 filtered out; finished in 2.46s
[INFO] [stdout] 
[INFO] [stderr] error: test failed, to rerun pass '--doc'
[INFO] running `Command { std: "docker" "inspect" "fabcfa99590b6fbbc9f71ae3122f63422faed8f4627008d1923e01f3298621cc", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "fabcfa99590b6fbbc9f71ae3122f63422faed8f4627008d1923e01f3298621cc", kill_on_drop: false }`
[INFO] [stdout] fabcfa99590b6fbbc9f71ae3122f63422faed8f4627008d1923e01f3298621cc