[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 try#8b72f65b805cbe4c261de45030d663f524f27376 for pr-78991
[INFO] running `Command { std: "git" "clone" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fkobalazs%2Fdocker-puzzles" "/workspace/builds/worker-10/source", kill_on_drop: false }`
[INFO] [stderr] Cloning into '/workspace/builds/worker-10/source'...
[INFO] [stderr] done.
[INFO] validating manifest of git repo https://github.com/kobalazs/docker-puzzles on toolchain 8b72f65b805cbe4c261de45030d663f524f27376
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+8b72f65b805cbe4c261de45030d663f524f27376" "read-manifest" "--manifest-path" "Cargo.toml", 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-10/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" "+8b72f65b805cbe4c261de45030d663f524f27376" "fetch" "--locked" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] [stderr]  Downloading crates ...
[INFO] [stderr]   Downloaded walkdir v2.2.7
[INFO] [stderr]   Downloaded yaml-rust v0.4.2
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-10/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-10/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@sha256:6eabd152ff4036248d66efda456a36cb33d24b7291b33f25f75140726c88da35" "/opt/rustwide/cargo-home/bin/cargo" "+8b72f65b805cbe4c261de45030d663f524f27376" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] 60b2ab52a988eaa13b1884a2ebad2945901853cabeaac5a0a7c582d9cc185b9a
[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" "60b2ab52a988eaa13b1884a2ebad2945901853cabeaac5a0a7c582d9cc185b9a", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "60b2ab52a988eaa13b1884a2ebad2945901853cabeaac5a0a7c582d9cc185b9a", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "60b2ab52a988eaa13b1884a2ebad2945901853cabeaac5a0a7c582d9cc185b9a", kill_on_drop: false }`
[INFO] [stdout] 60b2ab52a988eaa13b1884a2ebad2945901853cabeaac5a0a7c582d9cc185b9a
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-10/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-10/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@sha256:6eabd152ff4036248d66efda456a36cb33d24b7291b33f25f75140726c88da35" "/opt/rustwide/cargo-home/bin/cargo" "+8b72f65b805cbe4c261de45030d663f524f27376" "check" "--frozen" "--all" "--all-targets" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] 191fb95b2f36dc0b0234fb95ea42f7534be1acff552a0a9188433a184076c0af
[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" "191fb95b2f36dc0b0234fb95ea42f7534be1acff552a0a9188433a184076c0af", kill_on_drop: false }`
[INFO] [stderr]    Compiling libc v0.2.44
[INFO] [stderr]    Compiling version_check v0.1.5
[INFO] [stderr]    Compiling regex v1.0.6
[INFO] [stderr]     Checking regex-syntax v0.6.3
[INFO] [stderr]     Checking yaml-rust v0.4.2
[INFO] [stderr]    Compiling memchr v2.1.1
[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 18.73s
[INFO] running `Command { std: "docker" "inspect" "191fb95b2f36dc0b0234fb95ea42f7534be1acff552a0a9188433a184076c0af", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "191fb95b2f36dc0b0234fb95ea42f7534be1acff552a0a9188433a184076c0af", kill_on_drop: false }`
[INFO] [stdout] 191fb95b2f36dc0b0234fb95ea42f7534be1acff552a0a9188433a184076c0af