[INFO] cloning repository https://github.com/SuperSamus/prime
[INFO] running `Command { std: "git" "-c" "credential.helper=" "-c" "credential.helper=/workspace/cargo-home/bin/git-credential-null" "clone" "--bare" "https://github.com/SuperSamus/prime" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2FSuperSamus%2Fprime", kill_on_drop: false }`
[INFO] [stderr] Cloning into bare repository '/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2FSuperSamus%2Fprime'...
[INFO] running `Command { std: "git" "rev-parse" "HEAD", kill_on_drop: false }`
[INFO] [stdout] bb9aa3ba1be1c65220f69f1d994853ec22085cdb
[INFO] checking SuperSamus/prime against try#3bb2879ea9e58d65b875f9a98df44f4a43ce2597 for pr-85387
[INFO] running `Command { std: "git" "clone" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2FSuperSamus%2Fprime" "/workspace/builds/worker-7/source", kill_on_drop: false }`
[INFO] [stderr] Cloning into '/workspace/builds/worker-7/source'...
[INFO] [stderr] done.
[INFO] validating manifest of git repo https://github.com/SuperSamus/prime on toolchain 3bb2879ea9e58d65b875f9a98df44f4a43ce2597
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+3bb2879ea9e58d65b875f9a98df44f4a43ce2597" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }`
[INFO] started tweaking git repo https://github.com/SuperSamus/prime
[INFO] finished tweaking git repo https://github.com/SuperSamus/prime
[INFO] tweaked toml for git repo https://github.com/SuperSamus/prime written to /workspace/builds/worker-7/source/Cargo.toml
[INFO] crate git repo https://github.com/SuperSamus/prime already has a lockfile, it will not be regenerated
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+3bb2879ea9e58d65b875f9a98df44f4a43ce2597" "fetch" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] [stderr]  Downloading crates ...
[INFO] [stderr]   Downloaded ctrlc v3.1.4
[INFO] [stderr]   Downloaded integer-sqrt v0.1.3
[INFO] [stderr]   Downloaded memoffset v0.5.4
[INFO] [stderr]   Downloaded crossbeam-channel v0.4.2
[INFO] [stderr]   Downloaded nix v0.17.0
[INFO] [stderr]   Downloaded hermit-abi v0.1.10
[INFO] [stderr]   Downloaded libc v0.2.68
[INFO] [stderr]   Downloaded num_cpus v1.12.0
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-7/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-7/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@sha256:20528e8c29e4536546f0102ce88568b16ea7538393a33fcca951030f7af10457" "/opt/rustwide/cargo-home/bin/cargo" "+3bb2879ea9e58d65b875f9a98df44f4a43ce2597" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] 0b21f66204930c22f697ab57a96bd446916f3097edf440d0a16548e514024f47
[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" "0b21f66204930c22f697ab57a96bd446916f3097edf440d0a16548e514024f47", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "0b21f66204930c22f697ab57a96bd446916f3097edf440d0a16548e514024f47", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "0b21f66204930c22f697ab57a96bd446916f3097edf440d0a16548e514024f47", kill_on_drop: false }`
[INFO] [stdout] 0b21f66204930c22f697ab57a96bd446916f3097edf440d0a16548e514024f47
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-7/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-7/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" "ghcr.io/rust-lang/crates-build-env/linux@sha256:20528e8c29e4536546f0102ce88568b16ea7538393a33fcca951030f7af10457" "/opt/rustwide/cargo-home/bin/cargo" "+3bb2879ea9e58d65b875f9a98df44f4a43ce2597" "check" "--frozen" "--all" "--all-targets" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] 60d710ec262bca4d4442b12f425e87f7f2a8e8b9ad6c3c22b62aed3bc795366f
[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" "60d710ec262bca4d4442b12f425e87f7f2a8e8b9ad6c3c22b62aed3bc795366f", kill_on_drop: false }`
[INFO] [stderr]    Compiling libc v0.2.68
[INFO] [stderr]     Checking lazy_static v1.4.0
[INFO] [stderr]    Compiling maybe-uninit v2.0.0
[INFO] [stderr]     Checking scopeguard v1.1.0
[INFO] [stderr]    Compiling bitflags v1.2.1
[INFO] [stderr]    Compiling nix v0.17.0
[INFO] [stderr]     Checking either v1.5.3
[INFO] [stderr]     Checking integer-sqrt v0.1.3
[INFO] [stderr]     Checking crossbeam-utils v0.7.2
[INFO] [stderr]     Checking crossbeam-queue v0.2.1
[INFO] [stderr]     Checking crossbeam-epoch v0.8.2
[INFO] [stderr]     Checking crossbeam-channel v0.4.2
[INFO] [stderr]     Checking crossbeam-deque v0.7.3
[INFO] [stderr]     Checking num_cpus v1.12.0
[INFO] [stderr]     Checking rayon-core v1.7.0
[INFO] [stderr]     Checking rayon v1.3.0
[INFO] [stderr]     Checking prime v0.1.0 (/opt/rustwide/workdir)
[INFO] [stderr]     Checking ctrlc v3.1.4
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 10.50s
[INFO] running `Command { std: "docker" "inspect" "60d710ec262bca4d4442b12f425e87f7f2a8e8b9ad6c3c22b62aed3bc795366f", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "60d710ec262bca4d4442b12f425e87f7f2a8e8b9ad6c3c22b62aed3bc795366f", kill_on_drop: false }`
[INFO] [stdout] 60d710ec262bca4d4442b12f425e87f7f2a8e8b9ad6c3c22b62aed3bc795366f