[INFO] fetching crate fgrok 1.1.0...
[INFO] testing fgrok-1.1.0 against 1.49.0 for beta-1.50-1
[INFO] extracting crate fgrok 1.1.0 into /workspace/builds/worker-14/source
[INFO] validating manifest of crates.io crate fgrok 1.1.0 on toolchain 1.49.0
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+1.49.0" "read-manifest" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] started tweaking crates.io crate fgrok 1.1.0
[INFO] finished tweaking crates.io crate fgrok 1.1.0
[INFO] tweaked toml for crates.io crate fgrok 1.1.0 written to /workspace/builds/worker-14/source/Cargo.toml
[INFO] crate crates.io crate fgrok 1.1.0 already has a lockfile, it will not be regenerated
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+1.49.0" "fetch" "--locked" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-14/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-14/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:b8eeb62f26c39b23691079a6cb6de528d8e88b4d71a8f6b1d30f8ba7d9c16de9" "/opt/rustwide/cargo-home/bin/cargo" "+1.49.0" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] a4c75459040e99fb50fcd42b791e52d21a0f0ba9f43849e354272c75a0d47f57
[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" "a4c75459040e99fb50fcd42b791e52d21a0f0ba9f43849e354272c75a0d47f57", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "a4c75459040e99fb50fcd42b791e52d21a0f0ba9f43849e354272c75a0d47f57", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "a4c75459040e99fb50fcd42b791e52d21a0f0ba9f43849e354272c75a0d47f57", kill_on_drop: false }`
[INFO] [stdout] a4c75459040e99fb50fcd42b791e52d21a0f0ba9f43849e354272c75a0d47f57
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-14/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-14/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=warn" "-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:b8eeb62f26c39b23691079a6cb6de528d8e88b4d71a8f6b1d30f8ba7d9c16de9" "/opt/rustwide/cargo-home/bin/cargo" "+1.49.0" "build" "--frozen" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] 66ecab681c9111ee0ff83f5cfb8af0f0517a2b1fc8877b99e87a43b85cb0ea5a
[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" "66ecab681c9111ee0ff83f5cfb8af0f0517a2b1fc8877b99e87a43b85cb0ea5a", kill_on_drop: false }`
[INFO] [stderr]    Compiling libc v0.2.70
[INFO] [stderr]    Compiling addr2line v0.12.0
[INFO] [stderr]    Compiling libloading v0.5.2
[INFO] [stderr]    Compiling fgrok v1.1.0 (/opt/rustwide/workdir)
[INFO] [stderr]    Compiling proc-macro2 v0.4.30
[INFO] [stderr]    Compiling nom v4.2.3
[INFO] [stderr]    Compiling quote v0.6.13
[INFO] [stderr]    Compiling cexpr v0.3.6
[INFO] [stderr]    Compiling atty v0.2.14
[INFO] [stderr]    Compiling backtrace v0.3.48
[INFO] [stderr]    Compiling clang-sys v0.28.1
[INFO] [stderr]    Compiling clap v2.33.1
[INFO] [stderr]    Compiling env_logger v0.6.2
[INFO] [stderr]    Compiling failure v0.1.8
[INFO] [stderr]    Compiling which v2.0.1
[INFO] [stderr]    Compiling bindgen v0.50.1
[INFO] [stderr]    Compiling onig_sys v69.2.0
[INFO] [stderr]    Compiling onig v5.0.0
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 1m 05s
[INFO] running `Command { std: "docker" "inspect" "66ecab681c9111ee0ff83f5cfb8af0f0517a2b1fc8877b99e87a43b85cb0ea5a", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "66ecab681c9111ee0ff83f5cfb8af0f0517a2b1fc8877b99e87a43b85cb0ea5a", kill_on_drop: false }`
[INFO] [stdout] 66ecab681c9111ee0ff83f5cfb8af0f0517a2b1fc8877b99e87a43b85cb0ea5a
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-14/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-14/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=warn" "-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:b8eeb62f26c39b23691079a6cb6de528d8e88b4d71a8f6b1d30f8ba7d9c16de9" "/opt/rustwide/cargo-home/bin/cargo" "+1.49.0" "test" "--frozen" "--no-run" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] 5c703efffb173c1a124d1014641c8ee204d78c328873c82b3c26e7daca0a4a1e
[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" "5c703efffb173c1a124d1014641c8ee204d78c328873c82b3c26e7daca0a4a1e", kill_on_drop: false }`
[INFO] [stderr]    Compiling fgrok v1.1.0 (/opt/rustwide/workdir)
[INFO] [stdout] error[E0463]: can't find crate for `grok`
[INFO] [stdout]  --> examples/simple.rs:1:1
[INFO] [stdout]   |
[INFO] [stdout] 1 | extern crate grok;
[INFO] [stdout]   | ^^^^^^^^^^^^^^^^^^ can't find crate
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error: aborting due to previous error
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] For more information about this error, try `rustc --explain E0463`.
[INFO] [stdout] 
[INFO] [stderr] error: could not compile `fgrok`
[INFO] [stderr] 
[INFO] [stderr] To learn more, run the command again with --verbose.
[INFO] [stderr] warning: build failed, waiting for other jobs to finish...
[INFO] [stderr] error: build failed
[INFO] running `Command { std: "docker" "inspect" "5c703efffb173c1a124d1014641c8ee204d78c328873c82b3c26e7daca0a4a1e", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "5c703efffb173c1a124d1014641c8ee204d78c328873c82b3c26e7daca0a4a1e", kill_on_drop: false }`
[INFO] [stdout] 5c703efffb173c1a124d1014641c8ee204d78c328873c82b3c26e7daca0a4a1e