[INFO] cloning repository https://github.com/azconita/concustar
[INFO] running `Command { std: "git" "-c" "credential.helper=" "-c" "credential.helper=/workspace/cargo-home/bin/git-credential-null" "clone" "--bare" "https://github.com/azconita/concustar" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fazconita%2Fconcustar", kill_on_drop: false }`
[INFO] [stderr] Cloning into bare repository '/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fazconita%2Fconcustar'...
[INFO] running `Command { std: "git" "rev-parse" "HEAD", kill_on_drop: false }`
[INFO] [stdout] 5e4c02300a8b3d791f0fbe3286b0757f6eb930a7
[INFO] checking azconita/concustar against master#195ad4830e11a544391abe296b146450dea8411b for pr-82781
[INFO] running `Command { std: "git" "clone" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fazconita%2Fconcustar" "/workspace/builds/worker-11/source", kill_on_drop: false }`
[INFO] [stderr] Cloning into '/workspace/builds/worker-11/source'...
[INFO] [stderr] done.
[INFO] validating manifest of git repo https://github.com/azconita/concustar on toolchain 195ad4830e11a544391abe296b146450dea8411b
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+195ad4830e11a544391abe296b146450dea8411b" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }`
[INFO] started tweaking git repo https://github.com/azconita/concustar
[INFO] finished tweaking git repo https://github.com/azconita/concustar
[INFO] tweaked toml for git repo https://github.com/azconita/concustar written to /workspace/builds/worker-11/source/Cargo.toml
[INFO] crate git repo https://github.com/azconita/concustar already has a lockfile, it will not be regenerated
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+195ad4830e11a544391abe296b146450dea8411b" "fetch" "--locked" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-11/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-11/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:f2f6bcd4b43ebee4e173f653a26493129bdb64017c85f916b780ca7fbdbaa79d" "/opt/rustwide/cargo-home/bin/cargo" "+195ad4830e11a544391abe296b146450dea8411b" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] bd6dd4459355d58e0eb78f4cda74b532366d40a1fee6da0bd0ffdf254fff3600
[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" "bd6dd4459355d58e0eb78f4cda74b532366d40a1fee6da0bd0ffdf254fff3600", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "bd6dd4459355d58e0eb78f4cda74b532366d40a1fee6da0bd0ffdf254fff3600", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "bd6dd4459355d58e0eb78f4cda74b532366d40a1fee6da0bd0ffdf254fff3600", kill_on_drop: false }`
[INFO] [stdout] bd6dd4459355d58e0eb78f4cda74b532366d40a1fee6da0bd0ffdf254fff3600
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-11/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-11/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:f2f6bcd4b43ebee4e173f653a26493129bdb64017c85f916b780ca7fbdbaa79d" "/opt/rustwide/cargo-home/bin/cargo" "+195ad4830e11a544391abe296b146450dea8411b" "check" "--frozen" "--all" "--all-targets" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] 345209c965bf74eca48228bd57eb959508f1e7489dbd839c7853fa5c0a76fc83
[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" "345209c965bf74eca48228bd57eb959508f1e7489dbd839c7853fa5c0a76fc83", kill_on_drop: false }`
[INFO] [stderr]    Compiling libc v0.2.44
[INFO] [stderr]    Compiling serde v1.0.80
[INFO] [stderr]     Checking cfg-if v0.1.6
[INFO] [stderr]     Checking byteorder v1.2.7
[INFO] [stderr]     Checking term v0.5.1
[INFO] [stderr]     Checking time v0.1.40
[INFO] [stderr]     Checking chrono v0.4.6
[INFO] [stderr]     Checking log v0.4.6
[INFO] [stderr]     Checking simplelog v0.5.3
[INFO] [stderr]     Checking concustar v0.1.0 (/opt/rustwide/workdir)
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 9.61s
[INFO] running `Command { std: "docker" "inspect" "345209c965bf74eca48228bd57eb959508f1e7489dbd839c7853fa5c0a76fc83", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "345209c965bf74eca48228bd57eb959508f1e7489dbd839c7853fa5c0a76fc83", kill_on_drop: false }`
[INFO] [stdout] 345209c965bf74eca48228bd57eb959508f1e7489dbd839c7853fa5c0a76fc83