[INFO] updating cached repository https://github.com/orf/ptail
[INFO] running `"git" "-c" "credential.helper=" "-c" "credential.helper=/workspace/cargo-home/bin/git-credential-null" "-c" "remote.origin.fetch=refs/heads/*:refs/heads/*" "fetch" "origin" "--force" "--prune"`
[INFO] [stderr] From https://github.com/orf/ptail
[INFO] [stderr]    d9de25a..715d3fe  master     -> master
[INFO] running `"git" "rev-parse" "HEAD"`
[INFO] [stdout] 715d3fe6c7526b2bab07d0b423a6b1fbf0eb442f
[INFO] checking orf/ptail against try#a243773eaf3fedcd203f10ae4579e4f106bf7ccd for pr-68325
[INFO] running `"git" "clone" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Forf%2Fptail" "/workspace/builds/worker-3/source"`
[INFO] [stderr] Cloning into '/workspace/builds/worker-3/source'...
[INFO] [stderr] done.
[INFO] validating manifest of git repo https://github.com/orf/ptail on toolchain a243773eaf3fedcd203f10ae4579e4f106bf7ccd
[INFO] running `"/workspace/cargo-home/bin/cargo" "+a243773eaf3fedcd203f10ae4579e4f106bf7ccd" "read-manifest" "--manifest-path" "Cargo.toml"`
[INFO] started tweaking git repo https://github.com/orf/ptail
[INFO] finished tweaking git repo https://github.com/orf/ptail
[INFO] tweaked toml for git repo https://github.com/orf/ptail written to /workspace/builds/worker-3/source/Cargo.toml
[INFO] crate git repo https://github.com/orf/ptail already has a lockfile, it will not be regenerated
[INFO] running `"/workspace/cargo-home/bin/cargo" "+a243773eaf3fedcd203f10ae4579e4f106bf7ccd" "fetch" "--locked" "--manifest-path" "Cargo.toml"`
[INFO] [stderr]     Blocking waiting for file lock on package cache
[INFO] running `"docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-3/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-3/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" "MAP_USER_ID=0" "-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" "--network" "none" "rustops/crates-build-env" "/opt/rustwide/cargo-home/bin/cargo" "+a243773eaf3fedcd203f10ae4579e4f106bf7ccd" "check" "--frozen" "--all" "--all-targets"`
[INFO] [stderr] WARNING: Your kernel does not support swap limit capabilities or the cgroup is not mounted. Memory limited without swap.
[INFO] [stdout] abe6dce3f88d5575a55f57d256c36d84e822b29154482166a079a53f4c3c0caa
[INFO] running `"docker" "start" "-a" "abe6dce3f88d5575a55f57d256c36d84e822b29154482166a079a53f4c3c0caa"`
[INFO] [stderr]     Checking os_pipe v0.9.1
[INFO] [stderr]     Checking shared_child v0.3.4
[INFO] [stderr]     Checking console v0.9.2
[INFO] [stderr]    Compiling rustversion v1.0.1
[INFO] [stderr]     Checking duct v0.13.3
[INFO] [stderr]    Compiling proc-macro-error v0.4.4
[INFO] [stderr]    Compiling proc-macro-error-attr v0.4.3
[INFO] [stderr]    Compiling structopt-derive v0.4.1
[INFO] [stderr]     Checking structopt v0.3.8
[INFO] [stderr]     Checking ptail v0.2.3-alpha.0 (/opt/rustwide/workdir)
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 17.46s
[INFO] running `"docker" "inspect" "abe6dce3f88d5575a55f57d256c36d84e822b29154482166a079a53f4c3c0caa"`
[INFO] running `"docker" "rm" "-f" "abe6dce3f88d5575a55f57d256c36d84e822b29154482166a079a53f4c3c0caa"`
[INFO] [stdout] abe6dce3f88d5575a55f57d256c36d84e822b29154482166a079a53f4c3c0caa