[INFO] fetching crate cargo-pack-docker 0.5.0...
[INFO] checking cargo-pack-docker-0.5.0 against beta for pr-78714
[INFO] extracting crate cargo-pack-docker 0.5.0 into /workspace/builds/worker-4/source
[INFO] validating manifest of crates.io crate cargo-pack-docker 0.5.0 on toolchain beta
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+beta" "read-manifest" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] started tweaking crates.io crate cargo-pack-docker 0.5.0
[INFO] finished tweaking crates.io crate cargo-pack-docker 0.5.0
[INFO] tweaked toml for crates.io crate cargo-pack-docker 0.5.0 written to /workspace/builds/worker-4/source/Cargo.toml
[INFO] crate crates.io crate cargo-pack-docker 0.5.0 already has a lockfile, it will not be regenerated
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+beta" "fetch" "--locked" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] [stderr]     Blocking waiting for file lock on package cache
[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@sha256:6eabd152ff4036248d66efda456a36cb33d24b7291b33f25f75140726c88da35" "/opt/rustwide/cargo-home/bin/cargo" "+beta" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] d56ca828fe20a434fc52102a8cc5ce7f904923100a99f81be116037effcab7eb
[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" "d56ca828fe20a434fc52102a8cc5ce7f904923100a99f81be116037effcab7eb", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "d56ca828fe20a434fc52102a8cc5ce7f904923100a99f81be116037effcab7eb", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "d56ca828fe20a434fc52102a8cc5ce7f904923100a99f81be116037effcab7eb", kill_on_drop: false }`
[INFO] [stdout] d56ca828fe20a434fc52102a8cc5ce7f904923100a99f81be116037effcab7eb
[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@sha256:6eabd152ff4036248d66efda456a36cb33d24b7291b33f25f75140726c88da35" "/opt/rustwide/cargo-home/bin/cargo" "+beta" "check" "--frozen" "--all" "--all-targets" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] 78dc7fbd7b1b930c050808d317514971d0a3182cbe30b3351432759ff3f7ddfa
[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" "78dc7fbd7b1b930c050808d317514971d0a3182cbe30b3351432759ff3f7ddfa", kill_on_drop: false }`
[INFO] [stderr]    Compiling proc-macro2 v1.0.8
[INFO] [stderr]    Compiling syn v1.0.14
[INFO] [stderr]    Compiling serde v1.0.104
[INFO] [stderr]    Compiling ryu v1.0.2
[INFO] [stderr]    Compiling failure_derive v0.1.6
[INFO] [stderr]    Compiling memchr v2.3.2
[INFO] [stderr]    Compiling ucd-trie v0.1.2
[INFO] [stderr]     Checking regex-syntax v0.6.14
[INFO] [stderr]    Compiling backtrace-sys v0.1.32
[INFO] [stderr]     Checking atty v0.2.14
[INFO] [stderr]     Checking rand v0.4.6
[INFO] [stderr]     Checking walkdir v0.1.8
[INFO] [stderr]     Checking clap v2.33.0
[INFO] [stderr]     Checking pest v2.1.2
[INFO] [stderr]     Checking copy_dir v0.1.2
[INFO] [stderr]     Checking aho-corasick v0.7.8
[INFO] [stderr]     Checking tempdir v0.3.7
[INFO] [stderr]     Checking backtrace v0.3.44
[INFO] [stderr]    Compiling quote v1.0.2
[INFO] [stderr]    Compiling pest_meta v2.1.2
[INFO] [stderr]     Checking regex v1.3.4
[INFO] [stderr]     Checking env_logger v0.7.1
[INFO] [stderr]    Compiling synstructure v0.12.3
[INFO] [stderr]    Compiling pest_generator v2.1.1
[INFO] [stderr]    Compiling serde_derive v1.0.104
[INFO] [stderr]    Compiling pest_derive v2.1.0
[INFO] [stderr]     Checking failure v0.1.6
[INFO] [stderr]     Checking which v3.1.0
[INFO] [stderr]     Checking serde_json v1.0.48
[INFO] [stderr]     Checking semver v0.9.0
[INFO] [stderr]     Checking cargo_metadata v0.9.1
[INFO] [stderr]     Checking handlebars v3.0.1
[INFO] [stderr]     Checking cargo-pack v0.6.0
[INFO] [stderr]     Checking cargo-pack-docker v0.5.0 (/opt/rustwide/workdir)
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 1m 03s
[INFO] running `Command { std: "docker" "inspect" "78dc7fbd7b1b930c050808d317514971d0a3182cbe30b3351432759ff3f7ddfa", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "78dc7fbd7b1b930c050808d317514971d0a3182cbe30b3351432759ff3f7ddfa", kill_on_drop: false }`
[INFO] [stdout] 78dc7fbd7b1b930c050808d317514971d0a3182cbe30b3351432759ff3f7ddfa