[INFO] fetching crate grop 0.2.0...
[INFO] checking grop-0.2.0 against master#36ecbc94eb6be90bc38b2d0fdd4bfac3f34d9923 for pr-81863
[INFO] extracting crate grop 0.2.0 into /workspace/builds/worker-5/source
[INFO] validating manifest of crates.io crate grop 0.2.0 on toolchain 36ecbc94eb6be90bc38b2d0fdd4bfac3f34d9923
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+36ecbc94eb6be90bc38b2d0fdd4bfac3f34d9923" "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-5/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" "+36ecbc94eb6be90bc38b2d0fdd4bfac3f34d9923" "fetch" "--locked" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-5/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-5/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@sha256:21f1ed92105a0ef9b0d27ad8bdeb7f36f9f01ac17fffe3a3f3dc5241fc25d8f4" "/opt/rustwide/cargo-home/bin/cargo" "+36ecbc94eb6be90bc38b2d0fdd4bfac3f34d9923" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] ea4b8b64bb5121de34961471215d8c101e8d3342647befb8d6b2f5c367811e20
[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" "ea4b8b64bb5121de34961471215d8c101e8d3342647befb8d6b2f5c367811e20", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "ea4b8b64bb5121de34961471215d8c101e8d3342647befb8d6b2f5c367811e20", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "ea4b8b64bb5121de34961471215d8c101e8d3342647befb8d6b2f5c367811e20", kill_on_drop: false }`
[INFO] [stdout] ea4b8b64bb5121de34961471215d8c101e8d3342647befb8d6b2f5c367811e20
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-5/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-5/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@sha256:21f1ed92105a0ef9b0d27ad8bdeb7f36f9f01ac17fffe3a3f3dc5241fc25d8f4" "/opt/rustwide/cargo-home/bin/cargo" "+36ecbc94eb6be90bc38b2d0fdd4bfac3f34d9923" "check" "--frozen" "--all" "--all-targets" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] 3bcc72cdbf68676d40c12f8242c6593be6f046f7ff74ed47648a9332d34240af
[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" "3bcc72cdbf68676d40c12f8242c6593be6f046f7ff74ed47648a9332d34240af", kill_on_drop: false }`
[INFO] [stderr]    Compiling memchr v2.3.3
[INFO] [stderr]    Compiling bitflags v1.2.1
[INFO] [stderr]    Compiling proc-macro2 v1.0.12
[INFO] [stderr]    Compiling cfg-if v0.1.10
[INFO] [stderr]    Compiling unicode-xid v0.2.0
[INFO] [stderr]    Compiling gimli v0.21.0
[INFO] [stderr]    Compiling syn v1.0.21
[INFO] [stderr]    Compiling lazy_static v1.4.0
[INFO] [stderr]    Compiling byteorder v1.3.4
[INFO] [stderr]    Compiling object v0.19.0
[INFO] [stderr]    Compiling rustc-demangle v0.1.16
[INFO] [stderr]    Compiling unicode-xid v0.1.0
[INFO] [stderr]    Compiling unicode-width v0.1.7
[INFO] [stderr]    Compiling regex-syntax v0.6.17
[INFO] [stderr]    Compiling bindgen v0.50.1
[INFO] [stderr]    Compiling termcolor v1.1.0
[INFO] [stderr]    Compiling autocfg v1.0.0
[INFO] [stderr]    Compiling pkg-config v0.3.17
[INFO] [stderr]    Compiling serde v1.0.110
[INFO] [stderr]    Compiling unicode-segmentation v1.6.0
[INFO] [stderr]    Compiling libloading v0.5.2
[INFO] [stderr]    Compiling clang-sys v0.28.1
[INFO] [stderr]    Compiling nom v4.2.3
[INFO] [stderr]    Compiling fgrok v1.1.0
[INFO] [stderr]    Compiling grok v1.1.0
[INFO] [stderr]    Compiling thread_local v1.0.1
[INFO] [stderr]    Compiling proc-macro-error-attr v1.0.2
[INFO] [stderr]    Compiling proc-macro-error v1.0.2
[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 heck v0.3.1
[INFO] [stderr]    Compiling num-traits v0.2.11
[INFO] [stderr]    Compiling num-integer v0.1.42
[INFO] [stderr]     Checking thread_local v0.3.4
[INFO] [stderr]     Checking atty v0.2.11
[INFO] [stderr]     Checking clap v2.33.1
[INFO] [stderr]    Compiling aho-corasick v0.7.10
[INFO] [stderr]    Compiling quote v0.6.13
[INFO] [stderr]    Compiling fxhash v0.2.1
[INFO] [stderr]    Compiling quote v1.0.5
[INFO] [stderr]    Compiling cexpr v0.3.6
[INFO] [stderr]    Compiling regex v1.3.7
[INFO] [stderr]     Checking chrono v0.4.11
[INFO] [stderr]    Compiling addr2line v0.12.0
[INFO] [stderr]    Compiling backtrace v0.3.47
[INFO] [stderr]    Compiling env_logger v0.6.2
[INFO] [stderr]     Checking stderrlog v0.4.3
[INFO] [stderr]    Compiling failure v0.1.8
[INFO] [stderr]    Compiling which v2.0.1
[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]    Compiling onig_sys v69.2.0
[INFO] [stderr]     Checking structopt v0.3.14
[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 32s
[INFO] running `Command { std: "docker" "inspect" "3bcc72cdbf68676d40c12f8242c6593be6f046f7ff74ed47648a9332d34240af", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "3bcc72cdbf68676d40c12f8242c6593be6f046f7ff74ed47648a9332d34240af", kill_on_drop: false }`
[INFO] [stdout] 3bcc72cdbf68676d40c12f8242c6593be6f046f7ff74ed47648a9332d34240af