[INFO] updating cached repository https://github.com/superfroggman/CRrust
[INFO] running `"git" "-c" "credential.helper=" "-c" "credential.helper=/workspace/cargo-home/bin/git-credential-null" "-c" "remote.origin.fetch=refs/heads/*:refs/heads/*" "fetch" "origin" "--force" "--prune"`
[INFO] running `"git" "rev-parse" "HEAD"`
[INFO] [stdout] a6ff8f4adacbf70fdd0dc32e36ac4e080a1c2d7c
[INFO] checking superfroggman/CRrust against try#8a5e87609850cdd8679aada01eb0f3062f254ca8 for pr-71140
[INFO] running `"git" "clone" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fsuperfroggman%2FCRrust" "/workspace/builds/worker-3/source"`
[INFO] [stderr] Cloning into '/workspace/builds/worker-3/source'...
[INFO] [stderr] done.
[INFO] validating manifest of git repo https://github.com/superfroggman/CRrust on toolchain 8a5e87609850cdd8679aada01eb0f3062f254ca8
[INFO] running `"/workspace/cargo-home/bin/cargo" "+8a5e87609850cdd8679aada01eb0f3062f254ca8" "read-manifest" "--manifest-path" "Cargo.toml"`
[INFO] started tweaking git repo https://github.com/superfroggman/CRrust
[INFO] finished tweaking git repo https://github.com/superfroggman/CRrust
[INFO] tweaked toml for git repo https://github.com/superfroggman/CRrust written to /workspace/builds/worker-3/source/Cargo.toml
[INFO] crate git repo https://github.com/superfroggman/CRrust already has a lockfile, it will not be regenerated
[INFO] running `"/workspace/cargo-home/bin/cargo" "+8a5e87609850cdd8679aada01eb0f3062f254ca8" "fetch" "--locked" "--manifest-path" "Cargo.toml"`
[INFO] running `"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" "MAP_USER_ID=0" "-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" "--network" "none" "rustops/crates-build-env" "/opt/rustwide/cargo-home/bin/cargo" "+8a5e87609850cdd8679aada01eb0f3062f254ca8" "check" "--frozen" "--all" "--all-targets"`
[INFO] [stderr] WARNING: Your kernel does not support swap limit capabilities or the cgroup is not mounted. Memory limited without swap.
[INFO] [stdout] 576c3f350aa778330ee6360173c8d17c2ac12f608c4a286d8d32a5579b7e8ba3
[INFO] running `"docker" "start" "-a" "576c3f350aa778330ee6360173c8d17c2ac12f608c4a286d8d32a5579b7e8ba3"`
[INFO] [stderr]    Compiling compiler_builtins v0.1.26 (https://github.com/rust-lang/compiler-builtins#72526f38)
[INFO] [stderr]     Checking rustc-std-workspace-core v1.0.0
[INFO] [stderr]     Checking hermit-abi v0.1.8
[INFO] [stderr]     Checking crrust v0.1.0 (/opt/rustwide/workdir)
[INFO] [stderr] error: expected item, found keyword `let`
[INFO] [stderr]  --> src/main.rs:6:1
[INFO] [stderr]   |
[INFO] [stderr] 6 | let num = num_cpus::get();
[INFO] [stderr]   | ^^^ expected item
[INFO] [stderr] 
[INFO] [stderr] error: aborting due to previous error
[INFO] [stderr] 
[INFO] [stderr] error: could not compile `crrust`.
[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: expected item, found keyword `let`
[INFO] [stderr]  --> src/main.rs:6:1
[INFO] [stderr]   |
[INFO] [stderr] 6 | let num = num_cpus::get();
[INFO] [stderr]   | ^^^ expected item
[INFO] [stderr] 
[INFO] [stderr] error: aborting due to previous error
[INFO] [stderr] 
[INFO] [stderr] error: could not compile `crrust`.
[INFO] [stderr] 
[INFO] [stderr] To learn more, run the command again with --verbose.
[INFO] running `"docker" "inspect" "576c3f350aa778330ee6360173c8d17c2ac12f608c4a286d8d32a5579b7e8ba3"`
[INFO] running `"docker" "rm" "-f" "576c3f350aa778330ee6360173c8d17c2ac12f608c4a286d8d32a5579b7e8ba3"`
[INFO] [stdout] 576c3f350aa778330ee6360173c8d17c2ac12f608c4a286d8d32a5579b7e8ba3