[INFO] updating cached repository https://github.com/ProgrammingRust/mandelbrot
[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] 48f6b29d2e14060054e5913814f1e8a750311394
[INFO] checking ProgrammingRust/mandelbrot against master#45d050cde277b22a755847338f2acc2c7b834141 for pr-71393
[INFO] running `"git" "clone" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2FProgrammingRust%2Fmandelbrot" "/workspace/builds/worker-7/source"`
[INFO] [stderr] Cloning into '/workspace/builds/worker-7/source'...
[INFO] [stderr] done.
[INFO] validating manifest of git repo https://github.com/ProgrammingRust/mandelbrot on toolchain 45d050cde277b22a755847338f2acc2c7b834141
[INFO] running `"/workspace/cargo-home/bin/cargo" "+45d050cde277b22a755847338f2acc2c7b834141" "read-manifest" "--manifest-path" "Cargo.toml"`
[INFO] started tweaking git repo https://github.com/ProgrammingRust/mandelbrot
[INFO] finished tweaking git repo https://github.com/ProgrammingRust/mandelbrot
[INFO] tweaked toml for git repo https://github.com/ProgrammingRust/mandelbrot written to /workspace/builds/worker-7/source/Cargo.toml
[INFO] crate git repo https://github.com/ProgrammingRust/mandelbrot already has a lockfile, it will not be regenerated
[INFO] running `"/workspace/cargo-home/bin/cargo" "+45d050cde277b22a755847338f2acc2c7b834141" "fetch" "--locked" "--manifest-path" "Cargo.toml"`
[INFO] [stderr]     Blocking waiting for file lock on package cache
[INFO] [stderr]     Blocking waiting for file lock on package cache
[INFO] running `"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" "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" "+45d050cde277b22a755847338f2acc2c7b834141" "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] 55b01a797820d8b2cf88ee4c0c01ab8607d47e244359931c48427d07a12b6631
[INFO] running `"docker" "start" "-a" "55b01a797820d8b2cf88ee4c0c01ab8607d47e244359931c48427d07a12b6631"`
[INFO] [stderr]    Compiling autocfg v0.1.6
[INFO] [stderr]    Compiling libc v0.2.62
[INFO] [stderr]    Compiling arrayvec v0.4.11
[INFO] [stderr]     Checking nodrop v0.1.13
[INFO] [stderr]    Compiling rayon-core v1.6.0
[INFO] [stderr]     Checking rustc-serialize v0.3.24
[INFO] [stderr]     Checking either v1.5.2
[INFO] [stderr]     Checking adler32 v1.0.3
[INFO] [stderr]     Checking bitflags v0.7.0
[INFO] [stderr]     Checking inflate v0.2.0
[INFO] [stderr]     Checking crossbeam-utils v0.6.6
[INFO] [stderr]     Checking gif v0.9.2
[INFO] [stderr]    Compiling memoffset v0.5.1
[INFO] [stderr]     Checking deflate v0.7.20
[INFO] [stderr]     Checking crossbeam-queue v0.1.2
[INFO] [stderr]    Compiling num-traits v0.2.8
[INFO] [stderr]    Compiling num-integer v0.1.41
[INFO] [stderr]    Compiling num-iter v0.1.39
[INFO] [stderr]     Checking crossbeam-epoch v0.7.2
[INFO] [stderr]     Checking crossbeam-deque v0.7.1
[INFO] [stderr]     Checking rand v0.4.6
[INFO] [stderr]     Checking num_cpus v1.10.1
[INFO] [stderr]     Checking num-traits v0.1.43
[INFO] [stderr]     Checking rayon v1.2.0
[INFO] [stderr]     Checking enum_primitive v0.1.1
[INFO] [stderr]     Checking rand v0.3.23
[INFO] [stderr]     Checking rayon v0.4.3
[INFO] [stderr]     Checking png v0.7.0
[INFO] [stderr]     Checking num-bigint v0.1.44
[INFO] [stderr]     Checking num-complex v0.1.43
[INFO] [stderr]     Checking num-rational v0.1.42
[INFO] [stderr]     Checking num v0.1.42
[INFO] [stderr]     Checking jpeg-decoder v0.1.16
[INFO] [stderr]     Checking image v0.13.0
[INFO] [stderr]     Checking mandelbrot v0.2.0 (/opt/rustwide/workdir)
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 28.57s
[INFO] running `"docker" "inspect" "55b01a797820d8b2cf88ee4c0c01ab8607d47e244359931c48427d07a12b6631"`
[INFO] running `"docker" "rm" "-f" "55b01a797820d8b2cf88ee4c0c01ab8607d47e244359931c48427d07a12b6631"`
[INFO] [stdout] 55b01a797820d8b2cf88ee4c0c01ab8607d47e244359931c48427d07a12b6631