[INFO] fetching crate matrixise 2.0.1...
[INFO] checking matrixise-2.0.1 against master#4d0dd02ee07bddad9136f95c9f7846ebf3eb3fc5 for pr-81174
[INFO] extracting crate matrixise 2.0.1 into /workspace/builds/worker-9/source
[INFO] validating manifest of crates.io crate matrixise 2.0.1 on toolchain 4d0dd02ee07bddad9136f95c9f7846ebf3eb3fc5
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+4d0dd02ee07bddad9136f95c9f7846ebf3eb3fc5" "read-manifest" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] started tweaking crates.io crate matrixise 2.0.1
[INFO] finished tweaking crates.io crate matrixise 2.0.1
[INFO] tweaked toml for crates.io crate matrixise 2.0.1 written to /workspace/builds/worker-9/source/Cargo.toml
[INFO] crate crates.io crate matrixise 2.0.1 already has a lockfile, it will not be regenerated
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+4d0dd02ee07bddad9136f95c9f7846ebf3eb3fc5" "fetch" "--locked" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-9/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-9/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" "rustops/crates-build-env@sha256:21f1ed92105a0ef9b0d27ad8bdeb7f36f9f01ac17fffe3a3f3dc5241fc25d8f4" "/opt/rustwide/cargo-home/bin/cargo" "+4d0dd02ee07bddad9136f95c9f7846ebf3eb3fc5" "metadata" "--no-deps" "--format-version=1", 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] d95dc0776c866027a7f3946676e6c50b4b07ad316e1f35cb5aac70563128df81
[INFO] running `Command { std: "docker" "start" "-a" "d95dc0776c866027a7f3946676e6c50b4b07ad316e1f35cb5aac70563128df81", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "d95dc0776c866027a7f3946676e6c50b4b07ad316e1f35cb5aac70563128df81", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "d95dc0776c866027a7f3946676e6c50b4b07ad316e1f35cb5aac70563128df81", kill_on_drop: false }`
[INFO] [stdout] d95dc0776c866027a7f3946676e6c50b4b07ad316e1f35cb5aac70563128df81
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-9/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-9/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" "rustops/crates-build-env@sha256:21f1ed92105a0ef9b0d27ad8bdeb7f36f9f01ac17fffe3a3f3dc5241fc25d8f4" "/opt/rustwide/cargo-home/bin/cargo" "+4d0dd02ee07bddad9136f95c9f7846ebf3eb3fc5" "check" "--frozen" "--all" "--all-targets" "--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] 2f3395ef76db1e8418fab2440c102fe3bc8ec267bb51074f5867d0ccee5bf3bc
[INFO] running `Command { std: "docker" "start" "-a" "2f3395ef76db1e8418fab2440c102fe3bc8ec267bb51074f5867d0ccee5bf3bc", kill_on_drop: false }`
[INFO] [stderr]     Blocking waiting for file lock on package cache
[INFO] [stderr]    Compiling libc v0.2.68
[INFO] [stderr]    Compiling cc v1.0.50
[INFO] [stderr]     Checking ppv-lite86 v0.2.6
[INFO] [stderr]     Checking log v0.4.8
[INFO] [stderr]    Compiling ncurses v5.99.0
[INFO] [stderr]     Checking getrandom v0.1.14
[INFO] [stderr]     Checking rand_core v0.5.1
[INFO] [stderr]     Checking rand_chacha v0.2.2
[INFO] [stderr]     Checking pancurses v0.16.1
[INFO] [stderr]     Checking rand v0.7.3
[INFO] [stderr]     Checking matrixise v2.0.1 (/opt/rustwide/workdir)
[INFO] [stdout] error[E0583]: file not found for module `tests`
[INFO] [stdout]    --> src/lib.rs:275:1
[INFO] [stdout]     |
[INFO] [stdout] 275 | mod tests;
[INFO] [stdout]     | ^^^^^^^^^^
[INFO] [stdout]     |
[INFO] [stdout]     = help: to create the module `tests`, create file "src/tests.rs"
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr] error: could not compile `matrixise`
[INFO] [stdout] error: aborting due to previous error
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr] 
[INFO] [stdout] For more information about this error, try `rustc --explain E0583`.
[INFO] [stdout] 
[INFO] [stderr] To learn more, run the command again with --verbose.
[INFO] [stderr] warning: build failed, waiting for other jobs to finish...
[INFO] [stderr] error: build failed
[INFO] running `Command { std: "docker" "inspect" "2f3395ef76db1e8418fab2440c102fe3bc8ec267bb51074f5867d0ccee5bf3bc", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "2f3395ef76db1e8418fab2440c102fe3bc8ec267bb51074f5867d0ccee5bf3bc", kill_on_drop: false }`
[INFO] [stdout] 2f3395ef76db1e8418fab2440c102fe3bc8ec267bb51074f5867d0ccee5bf3bc