[INFO] cloning repository https://github.com/Bleiglanz/rust_mandel
[INFO] running `Command { std: "git" "-c" "credential.helper=" "-c" "credential.helper=/workspace/cargo-home/bin/git-credential-null" "clone" "--bare" "https://github.com/Bleiglanz/rust_mandel" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2FBleiglanz%2Frust_mandel", kill_on_drop: false }`
[INFO] [stderr] Cloning into bare repository '/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2FBleiglanz%2Frust_mandel'...
[INFO] running `Command { std: "git" "rev-parse" "HEAD", kill_on_drop: false }`
[INFO] [stdout] 76aebde8e6c4ad0adedada9e49b008f5dc5b4e25
[INFO] checking Bleiglanz/rust_mandel against try#f47dd4da3ae8c32c9e65d307bfe640b143e674df for pr-77526
[INFO] running `Command { std: "git" "clone" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2FBleiglanz%2Frust_mandel" "/workspace/builds/worker-0/source", kill_on_drop: false }`
[INFO] [stderr] Cloning into '/workspace/builds/worker-0/source'...
[INFO] [stderr] done.
[INFO] validating manifest of git repo https://github.com/Bleiglanz/rust_mandel on toolchain f47dd4da3ae8c32c9e65d307bfe640b143e674df
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+f47dd4da3ae8c32c9e65d307bfe640b143e674df" "read-manifest" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] started tweaking git repo https://github.com/Bleiglanz/rust_mandel
[INFO] finished tweaking git repo https://github.com/Bleiglanz/rust_mandel
[INFO] tweaked toml for git repo https://github.com/Bleiglanz/rust_mandel written to /workspace/builds/worker-0/source/Cargo.toml
[INFO] crate git repo https://github.com/Bleiglanz/rust_mandel already has a lockfile, it will not be regenerated
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+f47dd4da3ae8c32c9e65d307bfe640b143e674df" "fetch" "--locked" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] [stderr]  Downloading crates ...
[INFO] [stderr]   Downloaded image v0.13.0
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-0/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-0/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:d92eaeed33fa75130ca1ee6c8a01d1ffb62bac859dfdfb3450e3e5d1c0146529" "/opt/rustwide/cargo-home/bin/cargo" "+f47dd4da3ae8c32c9e65d307bfe640b143e674df" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] 18a506c82e69fcc38c047a4b49b6bcccda383d354009892a14328f8ca5fa15a2
[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" "18a506c82e69fcc38c047a4b49b6bcccda383d354009892a14328f8ca5fa15a2", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "18a506c82e69fcc38c047a4b49b6bcccda383d354009892a14328f8ca5fa15a2", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "18a506c82e69fcc38c047a4b49b6bcccda383d354009892a14328f8ca5fa15a2", kill_on_drop: false }`
[INFO] [stdout] 18a506c82e69fcc38c047a4b49b6bcccda383d354009892a14328f8ca5fa15a2
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-0/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-0/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:d92eaeed33fa75130ca1ee6c8a01d1ffb62bac859dfdfb3450e3e5d1c0146529" "/opt/rustwide/cargo-home/bin/cargo" "+f47dd4da3ae8c32c9e65d307bfe640b143e674df" "check" "--frozen" "--all" "--all-targets" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] ba2490991c57a31ca38048e7db8379fd9e61cc5cc0334e976feacdb2cfc07f7b
[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" "ba2490991c57a31ca38048e7db8379fd9e61cc5cc0334e976feacdb2cfc07f7b", kill_on_drop: false }`
[INFO] [stderr]    Compiling libc v0.2.45
[INFO] [stderr]    Compiling arrayvec v0.4.10
[INFO] [stderr]    Compiling num-integer v0.1.39
[INFO] [stderr]     Checking nodrop v0.1.13
[INFO] [stderr]     Checking rustc-serialize v0.3.24
[INFO] [stderr]     Checking crossbeam v0.2.12
[INFO] [stderr]     Checking enum_primitive v0.1.1
[INFO] [stderr]     Checking num-iter v0.1.37
[INFO] [stderr]     Checking crossbeam-epoch v0.3.1
[INFO] [stderr]     Checking png v0.7.0
[INFO] [stderr]     Checking num_cpus v1.9.0
[INFO] [stderr]     Checking rand v0.4.3
[INFO] [stderr]     Checking crossbeam-deque v0.2.0
[INFO] [stderr]     Checking rayon-core v1.4.1
[INFO] [stderr]     Checking rayon v1.0.3
[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 v0.1.15
[INFO] [stderr]     Checking image v0.13.0
[INFO] [stderr]     Checking rust_mandel v0.1.0 (/opt/rustwide/workdir)
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 17.75s
[INFO] running `Command { std: "docker" "inspect" "ba2490991c57a31ca38048e7db8379fd9e61cc5cc0334e976feacdb2cfc07f7b", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "ba2490991c57a31ca38048e7db8379fd9e61cc5cc0334e976feacdb2cfc07f7b", kill_on_drop: false }`
[INFO] [stdout] ba2490991c57a31ca38048e7db8379fd9e61cc5cc0334e976feacdb2cfc07f7b