[INFO] crate lone-ranger 1.0.3 is already in cache
[INFO] checking lone-ranger-1.0.3 against master#4007d4ef26eab44bdabc2b7574d032152264d3ad for pr-66919
[INFO] extracting crate lone-ranger 1.0.3 into /workspace/builds/worker-4/source
[INFO] validating manifest of crates.io crate lone-ranger 1.0.3 on toolchain 4007d4ef26eab44bdabc2b7574d032152264d3ad
[INFO] running `"/workspace/cargo-home/bin/cargo" "+4007d4ef26eab44bdabc2b7574d032152264d3ad" "read-manifest" "--manifest-path" "Cargo.toml"`
[INFO] started tweaking crates.io crate lone-ranger 1.0.3
[INFO] finished tweaking crates.io crate lone-ranger 1.0.3
[INFO] tweaked toml for crates.io crate lone-ranger 1.0.3 written to /workspace/builds/worker-4/source/Cargo.toml
[INFO] running `"/workspace/cargo-home/bin/cargo" "+4007d4ef26eab44bdabc2b7574d032152264d3ad" "generate-lockfile" "--manifest-path" "Cargo.toml" "-Zno-index-update"`
[INFO] running `"/workspace/cargo-home/bin/cargo" "+4007d4ef26eab44bdabc2b7574d032152264d3ad" "fetch" "--locked" "--manifest-path" "Cargo.toml"`
[INFO] running `"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" "MAP_USER_ID=0" "-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" "--network" "none" "rustops/crates-build-env" "/opt/rustwide/cargo-home/bin/cargo" "+4007d4ef26eab44bdabc2b7574d032152264d3ad" "check" "--frozen" "--all" "--all-targets"`
[INFO] [stderr] WARNING: Your kernel does not support swap limit capabilities or the cgroup is not mounted. Memory limited without swap.
[INFO] [stdout] 4ba397b0a7109eb82cfab92cd8e0fc743e54d5312d4739efafd06d222d3c1d71
[INFO] running `"docker" "start" "-a" "4ba397b0a7109eb82cfab92cd8e0fc743e54d5312d4739efafd06d222d3c1d71"`
[INFO] [stderr]     Checking slash-formatter v2.2.5
[INFO] [stderr]     Checking sha1 v0.6.0
[INFO] [stderr]     Checking path-dedot v1.1.13
[INFO] [stderr]     Checking path-absolutize v1.1.7
[INFO] [stderr]     Checking lone-ranger v1.0.3 (/opt/rustwide/workdir)
[INFO] [stderr] error[E0277]: the trait bound `(): std::error::Error` is not satisfied
[INFO] [stderr]   --> src/arguments.rs:22:38
[INFO] [stderr]    |
[INFO] [stderr] 22 |     let path = src.parse::<PathBuf>()?.absolutize()?;
[INFO] [stderr]    |                                      ^ the trait `std::error::Error` is not implemented for `()`
[INFO] [stderr]    |
[INFO] [stderr]    = note: required because of the requirements on the impl of `failure::Fail` for `()`
[INFO] [stderr]    = note: required because of the requirements on the impl of `std::convert::From<()>` for `failure::error::Error`
[INFO] [stderr]    = note: required by `std::convert::From::from`
[INFO] [stderr] 
[INFO] [stderr] error[E0277]: the trait bound `(): std::error::Error` is not satisfied
[INFO] [stderr]   --> src/arguments.rs:22:38
[INFO] [stderr]    |
[INFO] [stderr] 22 |     let path = src.parse::<PathBuf>()?.absolutize()?;
[INFO] [stderr]    |                                      ^ the trait `std::error::Error` is not implemented for `()`
[INFO] [stderr]    |
[INFO] [stderr]    = note: required because of the requirements on the impl of `failure::Fail` for `()`
[INFO] [stderr]    = note: required because of the requirements on the impl of `std::convert::From<()>` for `failure::error::Error`
[INFO] [stderr]    = note: required by `std::convert::From::from`
[INFO] [stderr] 
[INFO] [stderr] error: aborting due to previous error
[INFO] [stderr] 
[INFO] [stderr] For more information about this error, try `rustc --explain E0277`.
[INFO] [stderr] error: aborting due to previous error
[INFO] [stderr] 
[INFO] [stderr] For more information about this error, try `rustc --explain E0277`.
[INFO] [stderr] error: could not compile `lone-ranger`.
[INFO] [stderr] warning: build failed, waiting for other jobs to finish...
[INFO] [stderr] error: could not compile `lone-ranger`.
[INFO] [stderr] 
[INFO] [stderr] To learn more, run the command again with --verbose.
[INFO] running `"docker" "inspect" "4ba397b0a7109eb82cfab92cd8e0fc743e54d5312d4739efafd06d222d3c1d71"`
[INFO] running `"docker" "rm" "-f" "4ba397b0a7109eb82cfab92cd8e0fc743e54d5312d4739efafd06d222d3c1d71"`
[INFO] [stdout] 4ba397b0a7109eb82cfab92cd8e0fc743e54d5312d4739efafd06d222d3c1d71