[INFO] fetching crate max-subarray-sum 0.1.7...
[INFO] testing max-subarray-sum-0.1.7 against 1.55.0 for beta-1.56-1
[INFO] extracting crate max-subarray-sum 0.1.7 into /workspace/builds/worker-6/source
[INFO] validating manifest of crates.io crate max-subarray-sum 0.1.7 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 crates.io crate max-subarray-sum 0.1.7
[INFO] finished tweaking crates.io crate max-subarray-sum 0.1.7
[INFO] tweaked toml for crates.io crate max-subarray-sum 0.1.7 written to /workspace/builds/worker-6/source/Cargo.toml
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+1.55.0" "generate-lockfile" "--manifest-path" "Cargo.toml" "-Zno-index-update", kill_on_drop: false }`
[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-6/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-6/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] ad0a0f0aa4cd4416065e8ff79e9d0c47e9005ba7b452059e85b9438762055d65
[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" "ad0a0f0aa4cd4416065e8ff79e9d0c47e9005ba7b452059e85b9438762055d65", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "ad0a0f0aa4cd4416065e8ff79e9d0c47e9005ba7b452059e85b9438762055d65", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "ad0a0f0aa4cd4416065e8ff79e9d0c47e9005ba7b452059e85b9438762055d65", kill_on_drop: false }`
[INFO] [stdout] ad0a0f0aa4cd4416065e8ff79e9d0c47e9005ba7b452059e85b9438762055d65
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-6/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-6/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] [stderr] WARNING: Your kernel does not support swap limit capabilities or the cgroup is not mounted. Memory limited without swap.
[INFO] [stdout] 82d52a4b2a0f98502bdde2b27bd7c80b47fc727462e4e02f4a436269fdccd4a1
[INFO] running `Command { std: "docker" "start" "-a" "82d52a4b2a0f98502bdde2b27bd7c80b47fc727462e4e02f4a436269fdccd4a1", kill_on_drop: false }`
[INFO] [stderr]    Compiling max-subarray-sum v0.1.7 (/opt/rustwide/workdir)
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 0.85s
[INFO] running `Command { std: "docker" "inspect" "82d52a4b2a0f98502bdde2b27bd7c80b47fc727462e4e02f4a436269fdccd4a1", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "82d52a4b2a0f98502bdde2b27bd7c80b47fc727462e4e02f4a436269fdccd4a1", kill_on_drop: false }`
[INFO] [stdout] 82d52a4b2a0f98502bdde2b27bd7c80b47fc727462e4e02f4a436269fdccd4a1
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-6/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-6/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] ebb0d5114bb6272b0aec89efc9f8d69bd003af6f9ef6e06e6bff8b69136a7b46
[INFO] running `Command { std: "docker" "start" "-a" "ebb0d5114bb6272b0aec89efc9f8d69bd003af6f9ef6e06e6bff8b69136a7b46", kill_on_drop: false }`
[INFO] [stderr]    Compiling max-subarray-sum v0.1.7 (/opt/rustwide/workdir)
[INFO] [stderr]     Finished test [unoptimized + debuginfo] target(s) in 0.81s
[INFO] running `Command { std: "docker" "inspect" "ebb0d5114bb6272b0aec89efc9f8d69bd003af6f9ef6e06e6bff8b69136a7b46", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "ebb0d5114bb6272b0aec89efc9f8d69bd003af6f9ef6e06e6bff8b69136a7b46", kill_on_drop: false }`
[INFO] [stdout] ebb0d5114bb6272b0aec89efc9f8d69bd003af6f9ef6e06e6bff8b69136a7b46
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-6/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-6/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] [stderr] WARNING: Your kernel does not support swap limit capabilities or the cgroup is not mounted. Memory limited without swap.
[INFO] [stdout] 5d3dd05f57ad5c5033b72e643898c47859fe512171a9395dbf0d7985e81cb245
[INFO] running `Command { std: "docker" "start" "-a" "5d3dd05f57ad5c5033b72e643898c47859fe512171a9395dbf0d7985e81cb245", kill_on_drop: false }`
[INFO] [stderr]     Finished test [unoptimized + debuginfo] target(s) in 0.01s
[INFO] [stderr]      Running unittests (/opt/rustwide/target/debug/deps/max_subarray_sum-558421f2f38ac81e)
[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] [stderr]      Running tests/integration_test.rs (/opt/rustwide/target/debug/deps/integration_test-fd4c754767e0cd83)
[INFO] [stdout] 
[INFO] [stdout] running 8 tests
[INFO] [stdout] test tests::all_negative ... ok
[INFO] [stdout] test tests::identical_negative ... ok
[INFO] [stdout] test tests::identical_positive ... ok
[INFO] [stdout] test tests::mixed_1 ... ok
[INFO] [stdout] test tests::mixed_2 ... ok
[INFO] [stdout] test tests::all_positive ... ok
[INFO] [stdout] test tests::all_zero ... ok
[INFO] [stdout] test tests::mixed_3 ... ok
[INFO] [stdout] 
[INFO] [stdout] test result: ok. 8 passed; 0 failed; 0 ignored; 0 measured; 0 filtered out; finished in 0.00s
[INFO] [stdout] 
[INFO] [stderr]    Doc-tests max-subarray-sum
[INFO] [stdout] 
[INFO] [stdout] running 2 tests
[INFO] [stdout] test src/lib.rs - (line 11) ... FAILED
[INFO] [stdout] test src/interface.rs - interface::Elements::result (line 49) ... ok
[INFO] [stdout] 
[INFO] [stdout] failures:
[INFO] [stdout] 
[INFO] [stdout] ---- src/lib.rs - (line 11) stdout ----
[INFO] [stdout] error[E0432]: unresolved import `max_subarray_sum::Elements`
[INFO] [stdout]  --> src/lib.rs:12:5
[INFO] [stdout]   |
[INFO] [stdout] 4 | use max_subarray_sum::Elements;
[INFO] [stdout]   |     ^^^^^^^^^^^^^^^^^^^^^^^^^^ no `Elements` in the root
[INFO] [stdout] 
[INFO] [stdout] error: aborting due to previous error
[INFO] [stdout] 
[INFO] [stdout] For more information about this error, try `rustc --explain E0432`.
[INFO] [stdout] Couldn't compile the test.
[INFO] [stdout] 
[INFO] [stdout] failures:
[INFO] [stdout]     src/lib.rs - (line 11)
[INFO] [stdout] 
[INFO] [stdout] test result: FAILED. 1 passed; 1 failed; 0 ignored; 0 measured; 0 filtered out; finished in 0.46s
[INFO] [stdout] 
[INFO] [stderr] error: test failed, to rerun pass '--doc'
[INFO] running `Command { std: "docker" "inspect" "5d3dd05f57ad5c5033b72e643898c47859fe512171a9395dbf0d7985e81cb245", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "5d3dd05f57ad5c5033b72e643898c47859fe512171a9395dbf0d7985e81cb245", kill_on_drop: false }`
[INFO] [stdout] 5d3dd05f57ad5c5033b72e643898c47859fe512171a9395dbf0d7985e81cb245