[INFO] fetching crate xcompress 0.11.4...
[INFO] checking xcompress-0.11.4 against master#c9228570668803e3e6402770d55f23a12c9ae686 for pr-79472
[INFO] extracting crate xcompress 0.11.4 into /workspace/builds/worker-6/source
[INFO] validating manifest of crates.io crate xcompress 0.11.4 on toolchain c9228570668803e3e6402770d55f23a12c9ae686
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+c9228570668803e3e6402770d55f23a12c9ae686" "read-manifest" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] started tweaking crates.io crate xcompress 0.11.4
[INFO] finished tweaking crates.io crate xcompress 0.11.4
[INFO] tweaked toml for crates.io crate xcompress 0.11.4 written to /workspace/builds/worker-6/source/Cargo.toml
[INFO] crate crates.io crate xcompress 0.11.4 already has a lockfile, it will not be regenerated
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+c9228570668803e3e6402770d55f23a12c9ae686" "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-6/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-6/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" "+c9228570668803e3e6402770d55f23a12c9ae686" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] bc656a5f7ccf47cf42ed4ddc48de2cb3f445a5945db1c3aeb7001def7e1a8887
[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" "bc656a5f7ccf47cf42ed4ddc48de2cb3f445a5945db1c3aeb7001def7e1a8887", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "bc656a5f7ccf47cf42ed4ddc48de2cb3f445a5945db1c3aeb7001def7e1a8887", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "bc656a5f7ccf47cf42ed4ddc48de2cb3f445a5945db1c3aeb7001def7e1a8887", kill_on_drop: false }`
[INFO] [stdout] bc656a5f7ccf47cf42ed4ddc48de2cb3f445a5945db1c3aeb7001def7e1a8887
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-6/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-6/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" "+c9228570668803e3e6402770d55f23a12c9ae686" "check" "--frozen" "--all" "--all-targets" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] d4f57a9df372366d43d9675483f810fd2d12265f1f2336dc0ce98ffec2181fa0
[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" "d4f57a9df372366d43d9675483f810fd2d12265f1f2336dc0ce98ffec2181fa0", kill_on_drop: false }`
[INFO] [stderr]    Compiling unicode-xid v0.2.0
[INFO] [stderr]    Compiling syn v1.0.31
[INFO] [stderr]    Compiling libc v0.2.71
[INFO] [stderr]    Compiling version_check v0.9.2
[INFO] [stderr]    Compiling typenum v1.12.0
[INFO] [stderr]    Compiling bitflags v1.2.1
[INFO] [stderr]    Compiling proc-macro-hack v0.5.16
[INFO] [stderr]    Compiling execute-command-tokens v0.1.1
[INFO] [stderr]     Checking lazy_static v1.4.0
[INFO] [stderr]     Checking unicode-width v0.1.7
[INFO] [stderr]     Checking vec_map v0.8.2
[INFO] [stderr]     Checking strsim v0.8.0
[INFO] [stderr]     Checking ansi_term v0.11.0
[INFO] [stderr]     Checking concat-with v0.2.0
[INFO] [stderr]     Checking byte-unit v4.0.4
[INFO] [stderr]    Compiling proc-macro2 v1.0.18
[INFO] [stderr]     Checking path-dedot v3.0.0
[INFO] [stderr]     Checking textwrap v0.11.0
[INFO] [stderr]     Checking path-absolutize v3.0.0
[INFO] [stderr]    Compiling generic-array v0.14.2
[INFO] [stderr]    Compiling quote v1.0.7
[INFO] [stderr]     Checking atty v0.2.14
[INFO] [stderr]     Checking terminal_size v0.1.12
[INFO] [stderr]     Checking num_cpus v1.13.0
[INFO] [stderr]     Checking clap v2.33.1
[INFO] [stderr]    Compiling execute-command-macro-impl v0.1.1
[INFO] [stderr]    Compiling educe v0.4.2
[INFO] [stderr]     Checking execute-command-macro v0.1.1
[INFO] [stderr]     Checking execute v0.2.5
[INFO] [stderr]     Checking scanner-rust v2.0.9
[INFO] [stderr]     Checking xcompress v0.11.4 (/opt/rustwide/workdir)
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 38.28s
[INFO] running `Command { std: "docker" "inspect" "d4f57a9df372366d43d9675483f810fd2d12265f1f2336dc0ce98ffec2181fa0", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "d4f57a9df372366d43d9675483f810fd2d12265f1f2336dc0ce98ffec2181fa0", kill_on_drop: false }`
[INFO] [stdout] d4f57a9df372366d43d9675483f810fd2d12265f1f2336dc0ce98ffec2181fa0