[INFO] cloning repository https://github.com/BSDinis/rustask
[INFO] running `Command { std: "git" "-c" "credential.helper=" "-c" "credential.helper=/workspace/cargo-home/bin/git-credential-null" "clone" "--bare" "https://github.com/BSDinis/rustask" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2FBSDinis%2Frustask", kill_on_drop: false }`
[INFO] [stderr] Cloning into bare repository '/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2FBSDinis%2Frustask'...
[INFO] running `Command { std: "git" "rev-parse" "HEAD", kill_on_drop: false }`
[INFO] [stdout] d2d9a05d5d9012442185c265e4eba1980bdc3e17
[INFO] checking BSDinis/rustask against master#0dce3f606e05cffab7361c132a399d3550ab0df8 for pr-78376
[INFO] running `Command { std: "git" "clone" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2FBSDinis%2Frustask" "/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/BSDinis/rustask on toolchain 0dce3f606e05cffab7361c132a399d3550ab0df8
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+0dce3f606e05cffab7361c132a399d3550ab0df8" "read-manifest" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] started tweaking git repo https://github.com/BSDinis/rustask
[INFO] finished tweaking git repo https://github.com/BSDinis/rustask
[INFO] tweaked toml for git repo https://github.com/BSDinis/rustask written to /workspace/builds/worker-4/source/Cargo.toml
[INFO] crate git repo https://github.com/BSDinis/rustask already has a lockfile, it will not be regenerated
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+0dce3f606e05cffab7361c132a399d3550ab0df8" "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:d92eaeed33fa75130ca1ee6c8a01d1ffb62bac859dfdfb3450e3e5d1c0146529" "/opt/rustwide/cargo-home/bin/cargo" "+0dce3f606e05cffab7361c132a399d3550ab0df8" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] 6bbda5c00ac03e2546ec4004fa1f10f8951e66dd289b972bb163d276b9b441f7
[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" "6bbda5c00ac03e2546ec4004fa1f10f8951e66dd289b972bb163d276b9b441f7", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "6bbda5c00ac03e2546ec4004fa1f10f8951e66dd289b972bb163d276b9b441f7", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "6bbda5c00ac03e2546ec4004fa1f10f8951e66dd289b972bb163d276b9b441f7", kill_on_drop: false }`
[INFO] [stdout] 6bbda5c00ac03e2546ec4004fa1f10f8951e66dd289b972bb163d276b9b441f7
[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:d92eaeed33fa75130ca1ee6c8a01d1ffb62bac859dfdfb3450e3e5d1c0146529" "/opt/rustwide/cargo-home/bin/cargo" "+0dce3f606e05cffab7361c132a399d3550ab0df8" "check" "--frozen" "--all" "--all-targets" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] 2b22e7c8e003004e2a40a50cc102be5add82c87036a1ea6f72372e3b2e474dd3
[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" "2b22e7c8e003004e2a40a50cc102be5add82c87036a1ea6f72372e3b2e474dd3", kill_on_drop: false }`
[INFO] [stderr]    Compiling getrandom v0.1.13
[INFO] [stderr]    Compiling ryu v1.0.2
[INFO] [stderr]     Checking unicode-width v0.1.7
[INFO] [stderr]     Checking vec_map v0.8.1
[INFO] [stderr]    Compiling num-traits v0.2.10
[INFO] [stderr]    Compiling num-integer v0.1.41
[INFO] [stderr]     Checking atty v0.2.13
[INFO] [stderr]     Checking serde v1.0.104
[INFO] [stderr]     Checking colored v1.9.1
[INFO] [stderr]     Checking textwrap v0.11.0
[INFO] [stderr]     Checking clap v2.33.0
[INFO] [stderr]     Checking rand_core v0.5.1
[INFO] [stderr]     Checking rand_chacha v0.2.1
[INFO] [stderr]     Checking rand v0.7.2
[INFO] [stderr]     Checking serde_json v1.0.44
[INFO] [stderr]     Checking chrono v0.4.10
[INFO] [stderr]     Checking rustask v0.5.0 (/opt/rustwide/workdir)
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 19.48s
[INFO] running `Command { std: "docker" "inspect" "2b22e7c8e003004e2a40a50cc102be5add82c87036a1ea6f72372e3b2e474dd3", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "2b22e7c8e003004e2a40a50cc102be5add82c87036a1ea6f72372e3b2e474dd3", kill_on_drop: false }`
[INFO] [stdout] 2b22e7c8e003004e2a40a50cc102be5add82c87036a1ea6f72372e3b2e474dd3