[INFO] fetching crate grop 0.2.0...
[INFO] checking grop-0.2.0 against master#9503ea19edbf01b9435e80e17d60ce1b88390116 for pr-81782
[INFO] extracting crate grop 0.2.0 into /workspace/builds/worker-4/source
[INFO] validating manifest of crates.io crate grop 0.2.0 on toolchain 9503ea19edbf01b9435e80e17d60ce1b88390116
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+9503ea19edbf01b9435e80e17d60ce1b88390116" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }`
[INFO] started tweaking crates.io crate grop 0.2.0
[INFO] finished tweaking crates.io crate grop 0.2.0
[INFO] tweaked toml for crates.io crate grop 0.2.0 written to /workspace/builds/worker-4/source/Cargo.toml
[INFO] crate crates.io crate grop 0.2.0 already has a lockfile, it will not be regenerated
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+9503ea19edbf01b9435e80e17d60ce1b88390116" "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:f2f6bcd4b43ebee4e173f653a26493129bdb64017c85f916b780ca7fbdbaa79d" "/opt/rustwide/cargo-home/bin/cargo" "+9503ea19edbf01b9435e80e17d60ce1b88390116" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] d2a3927238540ab44a9639307413f482e269c05d3033e17dbd9105a58e5725c2
[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" "d2a3927238540ab44a9639307413f482e269c05d3033e17dbd9105a58e5725c2", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "d2a3927238540ab44a9639307413f482e269c05d3033e17dbd9105a58e5725c2", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "d2a3927238540ab44a9639307413f482e269c05d3033e17dbd9105a58e5725c2", kill_on_drop: false }`
[INFO] [stdout] d2a3927238540ab44a9639307413f482e269c05d3033e17dbd9105a58e5725c2
[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:f2f6bcd4b43ebee4e173f653a26493129bdb64017c85f916b780ca7fbdbaa79d" "/opt/rustwide/cargo-home/bin/cargo" "+9503ea19edbf01b9435e80e17d60ce1b88390116" "check" "--frozen" "--all" "--all-targets" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] f036cb92dbfe254a82e740a0dd1918b701fcb64fd5aa943aefcb98bab663aeec
[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" "f036cb92dbfe254a82e740a0dd1918b701fcb64fd5aa943aefcb98bab663aeec", kill_on_drop: false }`
[INFO] [stderr]    Compiling memchr v2.3.3
[INFO] [stderr]    Compiling proc-macro2 v1.0.12
[INFO] [stderr]    Compiling version_check v0.1.5
[INFO] [stderr]    Compiling gimli v0.21.0
[INFO] [stderr]    Compiling cc v1.0.52
[INFO] [stderr]    Compiling rustc-demangle v0.1.16
[INFO] [stderr]    Compiling object v0.19.0
[INFO] [stderr]    Compiling syn v1.0.21
[INFO] [stderr]    Compiling regex-syntax v0.6.17
[INFO] [stderr]    Compiling unicode-width v0.1.7
[INFO] [stderr]    Compiling termcolor v1.1.0
[INFO] [stderr]    Compiling autocfg v1.0.0
[INFO] [stderr]    Compiling version_check v0.9.1
[INFO] [stderr]     Checking lazy_static v1.4.0
[INFO] [stderr]     Checking void v1.0.2
[INFO] [stderr]     Checking cfg-if v0.1.10
[INFO] [stderr]    Compiling clang-sys v0.28.1
[INFO] [stderr]    Compiling grok v1.1.0
[INFO] [stderr]    Compiling fgrok v1.1.0
[INFO] [stderr]    Compiling thread_local v1.0.1
[INFO] [stderr]    Compiling textwrap v0.11.0
[INFO] [stderr]     Checking unreachable v1.0.0
[INFO] [stderr]    Compiling libc v0.2.70
[INFO] [stderr]    Compiling log v0.4.8
[INFO] [stderr]    Compiling proc-macro2 v0.4.30
[INFO] [stderr]    Compiling byteorder v1.3.4
[INFO] [stderr]     Checking thread_local v0.3.4
[INFO] [stderr]     Checking atty v0.2.11
[INFO] [stderr]     Checking time v0.1.43
[INFO] [stderr]    Compiling nom v4.2.3
[INFO] [stderr]    Compiling num-traits v0.2.11
[INFO] [stderr]    Compiling num-integer v0.1.42
[INFO] [stderr]    Compiling bindgen v0.50.1
[INFO] [stderr]    Compiling proc-macro-error-attr v1.0.2
[INFO] [stderr]    Compiling proc-macro-error v1.0.2
[INFO] [stderr]     Checking clap v2.33.1
[INFO] [stderr]    Compiling fxhash v0.2.1
[INFO] [stderr]    Compiling quote v0.6.13
[INFO] [stderr]    Compiling aho-corasick v0.7.10
[INFO] [stderr]    Compiling quote v1.0.5
[INFO] [stderr]    Compiling libloading v0.5.2
[INFO] [stderr]    Compiling cexpr v0.3.6
[INFO] [stderr]     Checking chrono v0.4.11
[INFO] [stderr]    Compiling addr2line v0.12.0
[INFO] [stderr]    Compiling backtrace v0.3.47
[INFO] [stderr]     Checking stderrlog v0.4.3
[INFO] [stderr]    Compiling regex v1.3.7
[INFO] [stderr]    Compiling failure v0.1.8
[INFO] [stderr]    Compiling which v2.0.1
[INFO] [stderr]    Compiling env_logger v0.6.2
[INFO] [stderr]    Compiling syn-mid v0.5.0
[INFO] [stderr]    Compiling serde_derive v1.0.110
[INFO] [stderr]    Compiling structopt-derive v0.4.7
[INFO] [stderr]     Checking structopt v0.3.14
[INFO] [stderr]    Compiling onig_sys v69.2.0
[INFO] [stderr]     Checking serde v1.0.110
[INFO] [stderr]     Checking toml v0.5.6
[INFO] [stderr]     Checking onig v5.0.0
[INFO] [stderr]     Checking grop v0.2.0 (/opt/rustwide/workdir)
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 1m 42s
[INFO] running `Command { std: "docker" "inspect" "f036cb92dbfe254a82e740a0dd1918b701fcb64fd5aa943aefcb98bab663aeec", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "f036cb92dbfe254a82e740a0dd1918b701fcb64fd5aa943aefcb98bab663aeec", kill_on_drop: false }`
[INFO] [stdout] f036cb92dbfe254a82e740a0dd1918b701fcb64fd5aa943aefcb98bab663aeec