[INFO] cloning repository https://github.com/redox-os/randd
[INFO] running `Command { std: "git" "-c" "credential.helper=" "-c" "credential.helper=/workspace/cargo-home/bin/git-credential-null" "clone" "--bare" "https://github.com/redox-os/randd" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fredox-os%2Frandd", kill_on_drop: false }`
[INFO] [stderr] Cloning into bare repository '/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fredox-os%2Frandd'...
[INFO] running `Command { std: "git" "rev-parse" "HEAD", kill_on_drop: false }`
[INFO] [stdout] 2f0ad188dd3e0393567fa91567bf1989465507c0
[INFO] checking redox-os/randd against master#a609fb45efad59dfd459c76e50899be9f0583b5a for pr-80579
[INFO] running `Command { std: "git" "clone" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fredox-os%2Frandd" "/workspace/builds/worker-8/source", kill_on_drop: false }`
[INFO] [stderr] Cloning into '/workspace/builds/worker-8/source'...
[INFO] [stderr] done.
[INFO] validating manifest of git repo https://github.com/redox-os/randd on toolchain a609fb45efad59dfd459c76e50899be9f0583b5a
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+a609fb45efad59dfd459c76e50899be9f0583b5a" "read-manifest" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] started tweaking git repo https://github.com/redox-os/randd
[INFO] finished tweaking git repo https://github.com/redox-os/randd
[INFO] tweaked toml for git repo https://github.com/redox-os/randd written to /workspace/builds/worker-8/source/Cargo.toml
[INFO] crate git repo https://github.com/redox-os/randd already has a lockfile, it will not be regenerated
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+a609fb45efad59dfd459c76e50899be9f0583b5a" "fetch" "--locked" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] [stderr]     Blocking waiting for file lock on package cache
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-8/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-8/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:b8eeb62f26c39b23691079a6cb6de528d8e88b4d71a8f6b1d30f8ba7d9c16de9" "/opt/rustwide/cargo-home/bin/cargo" "+a609fb45efad59dfd459c76e50899be9f0583b5a" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] 90c42f8538acb874498799cdd091b3048950832a80724ae583f46168441a34ef
[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" "90c42f8538acb874498799cdd091b3048950832a80724ae583f46168441a34ef", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "90c42f8538acb874498799cdd091b3048950832a80724ae583f46168441a34ef", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "90c42f8538acb874498799cdd091b3048950832a80724ae583f46168441a34ef", kill_on_drop: false }`
[INFO] [stdout] 90c42f8538acb874498799cdd091b3048950832a80724ae583f46168441a34ef
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-8/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-8/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:b8eeb62f26c39b23691079a6cb6de528d8e88b4d71a8f6b1d30f8ba7d9c16de9" "/opt/rustwide/cargo-home/bin/cargo" "+a609fb45efad59dfd459c76e50899be9f0583b5a" "check" "--frozen" "--all" "--all-targets" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] 4a6c36373e91862b576b4c2e7e001eae200dc0a457b2f05e7838c58175f995f4
[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" "4a6c36373e91862b576b4c2e7e001eae200dc0a457b2f05e7838c58175f995f4", kill_on_drop: false }`
[INFO] [stderr]     Checking byte-tools v0.3.1
[INFO] [stderr]    Compiling bitflags v1.2.1
[INFO] [stderr]     Checking fake-simd v0.1.2
[INFO] [stderr]     Checking opaque-debug v0.2.3
[INFO] [stderr]     Checking redox_syscall v0.1.57
[INFO] [stderr]     Checking rand_chacha v0.2.2
[INFO] [stderr]    Compiling raw-cpuid v8.1.1
[INFO] [stderr]     Checking block-padding v0.1.5
[INFO] [stderr]     Checking block-buffer v0.7.3
[INFO] [stderr]     Checking sha2 v0.8.2
[INFO] [stderr]     Checking randd v0.1.0 (/opt/rustwide/workdir)
[INFO] [stdout] warning: unused imports: `O_CLOEXEC`, `O_STAT`
[INFO] [stdout]   --> src/main.rs:28:87
[INFO] [stdout]    |
[INFO] [stdout] 28 |     Error, Result, SchemeMut, EBADF, EBADFD, EEXIST, EINVAL, ENOENT, EPERM, MODE_CHR, O_CLOEXEC,
[INFO] [stdout]    |                                                                                       ^^^^^^^^^
[INFO] [stdout] 29 |     O_CREAT, O_EXCL, O_RDONLY, O_RDWR, O_STAT, O_WRONLY,
[INFO] [stdout]    |                                        ^^^^^^
[INFO] [stdout]    |
[INFO] [stdout]    = note: `#[warn(unused_imports)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: 1 warning emitted
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 4.41s
[INFO] running `Command { std: "docker" "inspect" "4a6c36373e91862b576b4c2e7e001eae200dc0a457b2f05e7838c58175f995f4", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "4a6c36373e91862b576b4c2e7e001eae200dc0a457b2f05e7838c58175f995f4", kill_on_drop: false }`
[INFO] [stdout] 4a6c36373e91862b576b4c2e7e001eae200dc0a457b2f05e7838c58175f995f4