[INFO] cloning repository https://github.com/Mancomb/luci
[INFO] running `Command { std: "git" "-c" "credential.helper=" "-c" "credential.helper=/workspace/cargo-home/bin/git-credential-null" "clone" "--bare" "https://github.com/Mancomb/luci" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2FMancomb%2Fluci", kill_on_drop: false }`
[INFO] [stderr] Cloning into bare repository '/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2FMancomb%2Fluci'...
[INFO] running `Command { std: "git" "rev-parse" "HEAD", kill_on_drop: false }`
[INFO] [stdout] d6d822abbf0847bdec8a296ca7d47a61b11baae5
[INFO] checking Mancomb/luci against try#f6e2f78768c57172b99c3e85892f867894dc7e30 for pr-75502
[INFO] running `Command { std: "git" "clone" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2FMancomb%2Fluci" "/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/Mancomb/luci on toolchain f6e2f78768c57172b99c3e85892f867894dc7e30
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+f6e2f78768c57172b99c3e85892f867894dc7e30" "read-manifest" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] started tweaking git repo https://github.com/Mancomb/luci
[INFO] finished tweaking git repo https://github.com/Mancomb/luci
[INFO] tweaked toml for git repo https://github.com/Mancomb/luci written to /workspace/builds/worker-4/source/Cargo.toml
[INFO] crate git repo https://github.com/Mancomb/luci already has a lockfile, it will not be regenerated
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+f6e2f78768c57172b99c3e85892f867894dc7e30" "fetch" "--locked" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] [stderr]  Downloading crates ...
[INFO] [stderr]   Downloaded rand_core v0.1.0-pre.0
[INFO] [stderr]   Downloaded simple-logging v2.0.1
[INFO] [stderr]   Downloaded mucow v0.1.0
[INFO] [stderr]   Downloaded prefetch v0.2.0
[INFO] [stderr]   Downloaded pleco v0.3.11
[INFO] [stderr]   Downloaded rand v0.5.0-pre.0
[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:a636fd89d022f18117e1dc8fb37a0a009933cdbbe082814857f0e2024962d47c" "/opt/rustwide/cargo-home/bin/cargo" "+f6e2f78768c57172b99c3e85892f867894dc7e30" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] 7d11de26aeb86f4c8a4ff3a33d27c0cb9873bad6541971d52a0da2f9a8bd5b84
[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" "7d11de26aeb86f4c8a4ff3a33d27c0cb9873bad6541971d52a0da2f9a8bd5b84", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "7d11de26aeb86f4c8a4ff3a33d27c0cb9873bad6541971d52a0da2f9a8bd5b84", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "7d11de26aeb86f4c8a4ff3a33d27c0cb9873bad6541971d52a0da2f9a8bd5b84", kill_on_drop: false }`
[INFO] [stdout] 7d11de26aeb86f4c8a4ff3a33d27c0cb9873bad6541971d52a0da2f9a8bd5b84
[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:a636fd89d022f18117e1dc8fb37a0a009933cdbbe082814857f0e2024962d47c" "/opt/rustwide/cargo-home/bin/cargo" "+f6e2f78768c57172b99c3e85892f867894dc7e30" "check" "--frozen" "--all" "--all-targets" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] 74f0a7124b1fa9988fb994a99e21ce9edfb25d2fca85da8bcd9be69ed77ab6ab
[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" "74f0a7124b1fa9988fb994a99e21ce9edfb25d2fca85da8bcd9be69ed77ab6ab", kill_on_drop: false }`
[INFO] [stderr]     Checking libc v0.2.40
[INFO] [stderr]     Checking cfg-if v0.1.2
[INFO] [stderr]     Checking lazy_static v1.0.0
[INFO] [stderr]     Checking prefetch v0.2.0
[INFO] [stderr]     Checking mucow v0.1.0
[INFO] [stderr]     Checking rand_core v0.1.0-pre.0
[INFO] [stderr]     Checking bitflags v1.0.1
[INFO] [stderr]     Checking arrayvec v0.4.7
[INFO] [stdout] error[E0425]: cannot find function `unreachable` in module `std::mem`
[INFO] [stdout]   --> /opt/rustwide/cargo-home/registry/src/github.com-1ecc6299db9ec823/lazy_static-1.0.0/src/nightly_lazy.rs:30:35
[INFO] [stdout]    |
[INFO] [stdout] 30 |                 None => std::mem::unreachable(),
[INFO] [stdout]    |                                   ^^^^^^^^^^^ not found in `std::mem`
[INFO] [stdout]    |
[INFO] [stdout] help: consider importing this function
[INFO] [stdout]    |
[INFO] [stdout] 10 | use lazy::std::intrinsics::unreachable;
[INFO] [stdout]    |
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr]     Checking crossbeam-utils v0.2.2
[INFO] [stderr]     Checking log v0.4.1
[INFO] [stdout] error: aborting due to previous error
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] For more information about this error, try `rustc --explain E0425`.
[INFO] [stdout] 
[INFO] [stderr] error: could not compile `lazy_static`.
[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" "74f0a7124b1fa9988fb994a99e21ce9edfb25d2fca85da8bcd9be69ed77ab6ab", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "74f0a7124b1fa9988fb994a99e21ce9edfb25d2fca85da8bcd9be69ed77ab6ab", kill_on_drop: false }`
[INFO] [stdout] 74f0a7124b1fa9988fb994a99e21ce9edfb25d2fca85da8bcd9be69ed77ab6ab