[INFO] cloning repository https://github.com/kobalazs/docker-puzzles
[INFO] running `Command { std: "git" "-c" "credential.helper=" "-c" "credential.helper=/workspace/cargo-home/bin/git-credential-null" "clone" "--bare" "https://github.com/kobalazs/docker-puzzles" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fkobalazs%2Fdocker-puzzles", kill_on_drop: false }`
[INFO] [stderr] Cloning into bare repository '/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fkobalazs%2Fdocker-puzzles'...
[INFO] running `Command { std: "git" "rev-parse" "HEAD", kill_on_drop: false }`
[INFO] [stdout] b1321f26d2e17f69a0df35ea37f771d1f1c498ab
[INFO] checking kobalazs/docker-puzzles against master#36ecbc94eb6be90bc38b2d0fdd4bfac3f34d9923 for pr-81863
[INFO] running `Command { std: "git" "clone" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fkobalazs%2Fdocker-puzzles" "/workspace/builds/worker-9/source", kill_on_drop: false }`
[INFO] [stderr] Cloning into '/workspace/builds/worker-9/source'...
[INFO] [stderr] done.
[INFO] validating manifest of git repo https://github.com/kobalazs/docker-puzzles on toolchain 36ecbc94eb6be90bc38b2d0fdd4bfac3f34d9923
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+36ecbc94eb6be90bc38b2d0fdd4bfac3f34d9923" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }`
[INFO] started tweaking git repo https://github.com/kobalazs/docker-puzzles
[INFO] finished tweaking git repo https://github.com/kobalazs/docker-puzzles
[INFO] tweaked toml for git repo https://github.com/kobalazs/docker-puzzles written to /workspace/builds/worker-9/source/Cargo.toml
[INFO] crate git repo https://github.com/kobalazs/docker-puzzles already has a lockfile, it will not be regenerated
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+36ecbc94eb6be90bc38b2d0fdd4bfac3f34d9923" "fetch" "--locked" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-9/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-9/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@sha256:21f1ed92105a0ef9b0d27ad8bdeb7f36f9f01ac17fffe3a3f3dc5241fc25d8f4" "/opt/rustwide/cargo-home/bin/cargo" "+36ecbc94eb6be90bc38b2d0fdd4bfac3f34d9923" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] 41f3b38d55dcc8c0ad0b46d58d9102508d51dacbc54ef184e0c5e6e44f02848c
[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" "41f3b38d55dcc8c0ad0b46d58d9102508d51dacbc54ef184e0c5e6e44f02848c", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "41f3b38d55dcc8c0ad0b46d58d9102508d51dacbc54ef184e0c5e6e44f02848c", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "41f3b38d55dcc8c0ad0b46d58d9102508d51dacbc54ef184e0c5e6e44f02848c", kill_on_drop: false }`
[INFO] [stdout] 41f3b38d55dcc8c0ad0b46d58d9102508d51dacbc54ef184e0c5e6e44f02848c
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-9/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-9/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@sha256:21f1ed92105a0ef9b0d27ad8bdeb7f36f9f01ac17fffe3a3f3dc5241fc25d8f4" "/opt/rustwide/cargo-home/bin/cargo" "+36ecbc94eb6be90bc38b2d0fdd4bfac3f34d9923" "check" "--frozen" "--all" "--all-targets" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] a4b21b87bb7ae4bd769ee2f658bf6c81ac317151d90834c469a593e43042e56d
[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" "a4b21b87bb7ae4bd769ee2f658bf6c81ac317151d90834c469a593e43042e56d", kill_on_drop: false }`
[INFO] [stderr]    Compiling version_check v0.1.5
[INFO] [stderr]    Compiling libc v0.2.44
[INFO] [stderr]     Checking cfg-if v0.1.6
[INFO] [stderr]    Compiling regex v1.0.6
[INFO] [stderr]     Checking lazy_static v1.2.0
[INFO] [stderr]     Checking ucd-util v0.1.3
[INFO] [stderr]     Checking same-file v1.0.4
[INFO] [stderr]     Checking utf8-ranges v1.0.2
[INFO] [stderr]     Checking linked-hash-map v0.5.1
[INFO] [stderr]     Checking walkdir v2.2.7
[INFO] [stderr]     Checking thread_local v0.3.6
[INFO] [stderr]     Checking regex-syntax v0.6.3
[INFO] [stderr]    Compiling memchr v2.1.1
[INFO] [stderr]     Checking yaml-rust v0.4.2
[INFO] [stderr]     Checking aho-corasick v0.6.9
[INFO] [stderr]     Checking docker-puzzles v0.1.3 (/opt/rustwide/workdir)
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 12.35s
[INFO] running `Command { std: "docker" "inspect" "a4b21b87bb7ae4bd769ee2f658bf6c81ac317151d90834c469a593e43042e56d", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "a4b21b87bb7ae4bd769ee2f658bf6c81ac317151d90834c469a593e43042e56d", kill_on_drop: false }`
[INFO] [stdout] a4b21b87bb7ae4bd769ee2f658bf6c81ac317151d90834c469a593e43042e56d