[INFO] cloning repository https://github.com/qaul/anneal
[INFO] running `Command { std: "git" "-c" "credential.helper=" "-c" "credential.helper=/workspace/cargo-home/bin/git-credential-null" "clone" "--bare" "https://github.com/qaul/anneal" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fqaul%2Fanneal", kill_on_drop: false }`
[INFO] [stderr] Cloning into bare repository '/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fqaul%2Fanneal'...
[INFO] running `Command { std: "git" "rev-parse" "HEAD", kill_on_drop: false }`
[INFO] [stdout] 1e771c4a2d84903eca9e6e2e1dee9b3be2184d0e
[INFO] checking qaul/anneal against master#a609fb45efad59dfd459c76e50899be9f0583b5a for pr-80579
[INFO] running `Command { std: "git" "clone" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fqaul%2Fanneal" "/workspace/builds/worker-4/source", kill_on_drop: false }`
[INFO] [stderr] Cloning into '/workspace/builds/worker-4/source'...
[INFO] [stderr] done.
[INFO] validating manifest of git repo https://github.com/qaul/anneal 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/qaul/anneal
[INFO] finished tweaking git repo https://github.com/qaul/anneal
[INFO] tweaked toml for git repo https://github.com/qaul/anneal written to /workspace/builds/worker-4/source/Cargo.toml
[INFO] crate git repo https://github.com/qaul/anneal 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] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-4/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-4/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] 1a0505af7c3421150b637f8364f8dd175feafcdf6a1d06eed953dc45305f8e16
[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" "1a0505af7c3421150b637f8364f8dd175feafcdf6a1d06eed953dc45305f8e16", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "1a0505af7c3421150b637f8364f8dd175feafcdf6a1d06eed953dc45305f8e16", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "1a0505af7c3421150b637f8364f8dd175feafcdf6a1d06eed953dc45305f8e16", kill_on_drop: false }`
[INFO] [stdout] 1a0505af7c3421150b637f8364f8dd175feafcdf6a1d06eed953dc45305f8e16
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-4/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-4/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] a5cb10b11fb9d6a5a2c659ed186432023a347fe5abda357dabea7fe3855e0787
[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" "a5cb10b11fb9d6a5a2c659ed186432023a347fe5abda357dabea7fe3855e0787", kill_on_drop: false }`
[INFO] [stderr]    Compiling autocfg v0.1.5
[INFO] [stderr]    Compiling rand_core v0.4.0
[INFO] [stderr]    Compiling libc v0.2.60
[INFO] [stderr]    Compiling log v0.4.8
[INFO] [stderr]     Checking cfg-if v0.1.9
[INFO] [stderr]     Checking matches v0.1.8
[INFO] [stderr]    Compiling byteorder v1.3.2
[INFO] [stderr]    Compiling httparse v1.3.4
[INFO] [stderr]     Checking safemem v0.3.1
[INFO] [stderr]     Checking language-tags v0.2.2
[INFO] [stderr]    Compiling unicase v1.4.2
[INFO] [stderr]     Checking unicode-normalization v0.1.8
[INFO] [stderr]     Checking plugin v0.2.6
[INFO] [stderr]     Checking unicode-bidi v0.3.4
[INFO] [stderr]    Compiling rand_core v0.3.1
[INFO] [stderr]    Compiling rand_jitter v0.1.4
[INFO] [stderr]    Compiling rand_isaac v0.1.1
[INFO] [stderr]    Compiling rand_hc v0.1.0
[INFO] [stderr]    Compiling rand_xorshift v0.1.1
[INFO] [stderr]    Compiling rand_pcg v0.1.2
[INFO] [stderr]    Compiling rand_chacha v0.1.1
[INFO] [stderr]    Compiling rand v0.6.5
[INFO] [stderr]     Checking phf_shared v0.7.24
[INFO] [stderr]     Checking log v0.3.9
[INFO] [stderr]     Checking phf v0.7.24
[INFO] [stderr]     Checking mime v0.2.6
[INFO] [stderr]     Checking base64 v0.9.3
[INFO] [stderr]     Checking num_cpus v1.10.1
[INFO] [stderr]     Checking time v0.1.42
[INFO] [stderr]    Compiling rand_os v0.1.3
[INFO] [stderr]     Checking idna v0.1.5
[INFO] [stderr]     Checking url v1.7.2
[INFO] [stderr]    Compiling phf_generator v0.7.24
[INFO] [stderr]     Checking hyper v0.10.16
[INFO] [stderr]    Compiling phf_codegen v0.7.24
[INFO] [stderr]    Compiling mime_guess v1.8.7
[INFO] [stderr]     Checking iron v0.6.0
[INFO] [stderr]     Checking anneal v0.1.0 (/opt/rustwide/workdir)
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 27.57s
[INFO] running `Command { std: "docker" "inspect" "a5cb10b11fb9d6a5a2c659ed186432023a347fe5abda357dabea7fe3855e0787", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "a5cb10b11fb9d6a5a2c659ed186432023a347fe5abda357dabea7fe3855e0787", kill_on_drop: false }`
[INFO] [stdout] a5cb10b11fb9d6a5a2c659ed186432023a347fe5abda357dabea7fe3855e0787