[INFO] cloning repository https://github.com/kirillkh/xword_constructor
[INFO] running `Command { std: "git" "-c" "credential.helper=" "-c" "credential.helper=/workspace/cargo-home/bin/git-credential-null" "clone" "--bare" "https://github.com/kirillkh/xword_constructor" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fkirillkh%2Fxword_constructor", kill_on_drop: false }`
[INFO] [stderr] Cloning into bare repository '/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fkirillkh%2Fxword_constructor'...
[INFO] running `Command { std: "git" "rev-parse" "HEAD", kill_on_drop: false }`
[INFO] [stdout] a0c41e39d0fbe016dec80429df8b32fc39579fe5
[INFO] checking kirillkh/xword_constructor against beta for pr-78714
[INFO] running `Command { std: "git" "clone" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fkirillkh%2Fxword_constructor" "/workspace/builds/worker-4/source", kill_on_drop: false }`
[INFO] [stderr] Cloning into '/workspace/builds/worker-4/source'...
[INFO] [stderr] done.
[INFO] validating manifest of git repo https://github.com/kirillkh/xword_constructor on toolchain beta
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+beta" "read-manifest" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] started tweaking git repo https://github.com/kirillkh/xword_constructor
[INFO] finished tweaking git repo https://github.com/kirillkh/xword_constructor
[INFO] tweaked toml for git repo https://github.com/kirillkh/xword_constructor written to /workspace/builds/worker-4/source/Cargo.toml
[INFO] crate git repo https://github.com/kirillkh/xword_constructor already has a lockfile, it will not be regenerated
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+beta" "fetch" "--locked" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-4/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-4/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@sha256:6eabd152ff4036248d66efda456a36cb33d24b7291b33f25f75140726c88da35" "/opt/rustwide/cargo-home/bin/cargo" "+beta" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] 8fb9f0fdfa4cc01d9b67110658cf640e2a82c52f9a0a89e644792dd9be603169
[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" "8fb9f0fdfa4cc01d9b67110658cf640e2a82c52f9a0a89e644792dd9be603169", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "8fb9f0fdfa4cc01d9b67110658cf640e2a82c52f9a0a89e644792dd9be603169", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "8fb9f0fdfa4cc01d9b67110658cf640e2a82c52f9a0a89e644792dd9be603169", kill_on_drop: false }`
[INFO] [stdout] 8fb9f0fdfa4cc01d9b67110658cf640e2a82c52f9a0a89e644792dd9be603169
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-4/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-4/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@sha256:6eabd152ff4036248d66efda456a36cb33d24b7291b33f25f75140726c88da35" "/opt/rustwide/cargo-home/bin/cargo" "+beta" "check" "--frozen" "--all" "--all-targets" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] 9062fc8790a735c9298974e3b93caa07001d507699687a45b5e65b3700c54428
[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" "9062fc8790a735c9298974e3b93caa07001d507699687a45b5e65b3700c54428", kill_on_drop: false }`
[INFO] [stderr]     Checking libc v0.2.8
[INFO] [stderr]     Checking either v1.0.1
[INFO] [stderr]    Compiling ndarray v0.6.8
[INFO] [stderr]     Checking regex-syntax v0.3.1
[INFO] [stderr]     Checking mempool v0.2.0
[INFO] [stderr]     Checking matrixmultiply v0.1.11
[INFO] [stderr]     Checking getopts v0.2.14
[INFO] [stderr]     Checking itertools v0.5.5
[INFO] [stdout] error[E0503]: cannot use `state` because it was mutably borrowed
[INFO] [stdout]     --> /opt/rustwide/cargo-home/registry/src/github.com-1ecc6299db9ec823/getopts-0.2.14/src/lib.rs:1008:33
[INFO] [stdout]      |
[INFO] [stdout] 955  |     let mut machine = |cont: &mut bool, (i, c): (usize, char)| {
[INFO] [stdout]      |                       ---------------------------------------- borrow of `state` occurs here
[INFO] [stdout] ...
[INFO] [stdout] 959  |         state = match (state, whitespace, limit) {
[INFO] [stdout]      |                        ----- borrow occurs due to use of `state` in closure
[INFO] [stdout] ...
[INFO] [stdout] 1008 |     while cont && match state { B | C => true, A => false } {
[INFO] [stdout]      |                                 ^ use of borrowed `state`
[INFO] [stdout] 1009 |         machine(&mut cont, (fake_i, ' '));
[INFO] [stdout]      |         ------- borrow later used here
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error: aborting due to previous error
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] For more information about this error, try `rustc --explain E0503`.
[INFO] [stdout] 
[INFO] [stderr] error: could not compile `getopts`
[INFO] [stderr] 
[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" "9062fc8790a735c9298974e3b93caa07001d507699687a45b5e65b3700c54428", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "9062fc8790a735c9298974e3b93caa07001d507699687a45b5e65b3700c54428", kill_on_drop: false }`
[INFO] [stdout] 9062fc8790a735c9298974e3b93caa07001d507699687a45b5e65b3700c54428