[INFO] updating cached repository https://github.com/mgattozzi/we-git-you
[INFO] running `"git" "-c" "credential.helper=" "-c" "credential.helper=/big/crater/work/cargo-home/bin/git-credential-null" "-c" "remote.origin.fetch=refs/heads/*:refs/heads/*" "fetch" "origin" "--force" "--prune"`
[INFO] running `"git" "rev-parse" "HEAD"`
[INFO] [stdout] 18fc012bcdc7fb5e3cfaf0701e4ce5e5c33d2434
[INFO] testing mgattozzi/we-git-you against 1.38.0 for beta-1.39-1
[INFO] running `"git" "clone" "work/cache/git-repos/https%3A%2F%2Fgithub.com%2Fmgattozzi%2Fwe-git-you" "work/builds/worker-3/source"`
[INFO] [stderr] Cloning into 'work/builds/worker-3/source'...
[INFO] [stderr] done.
[INFO] validating manifest of git repo https://github.com/mgattozzi/we-git-you on toolchain 1.38.0
[INFO] running `"/big/crater/work/cargo-home/bin/cargo" "+1.38.0" "read-manifest" "--manifest-path" "Cargo.toml"`
[INFO] started tweaking git repo https://github.com/mgattozzi/we-git-you
[INFO] finished tweaking git repo https://github.com/mgattozzi/we-git-you
[INFO] tweaked toml for git repo https://github.com/mgattozzi/we-git-you written to work/builds/worker-3/source/Cargo.toml
[INFO] crate git repo https://github.com/mgattozzi/we-git-you already has a lockfile, it will not be regenerated
[INFO] running `"/big/crater/work/cargo-home/bin/cargo" "+1.38.0" "fetch" "--locked" "--manifest-path" "Cargo.toml"`
[INFO] [stderr]     Updating crates.io index
[INFO] [stderr] error: the lock file /big/crater/work/builds/worker-3/source/Cargo.lock needs to be updated but --locked was passed to prevent this
[INFO] the lockfile is outdated, regenerating it
[INFO] running `"/big/crater/work/cargo-home/bin/cargo" "+1.38.0" "generate-lockfile" "--manifest-path" "Cargo.toml" "-Zno-index-update"`
[INFO] running `"/big/crater/work/cargo-home/bin/cargo" "+1.38.0" "fetch" "--locked" "--manifest-path" "Cargo.toml"`
[INFO] running `"docker" "create" "-v" "/big/crater/work/builds/worker-3/target:/opt/rustwide/target:rw,Z" "-v" "/big/crater/work/builds/worker-3/source:/opt/rustwide/workdir:ro,Z" "-v" "/big/crater/work/cargo-home:/opt/rustwide/cargo-home:ro,Z" "-v" "/big/crater/work/rustup-home:/opt/rustwide/rustup-home:ro,Z" "-e" "SOURCE_DIR=/opt/rustwide/workdir" "-e" "MAP_USER_ID=1000" "-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" "--network" "none" "rustops/crates-build-env" "/opt/rustwide/cargo-home/bin/cargo" "+1.38.0" "build" "--frozen"`
[INFO] [stdout] 850650a9503e8d22899a9d2ca6983cce3363e3acbbd5223a7df80d281b241577
[INFO] running `"docker" "start" "-a" "850650a9503e8d22899a9d2ca6983cce3363e3acbbd5223a7df80d281b241577"`
[INFO] [stderr]    Compiling jobserver v0.1.17
[INFO] [stderr]    Compiling cc v1.0.45
[INFO] [stderr]    Compiling libz-sys v1.0.25
[INFO] [stderr]    Compiling openssl-sys v0.9.50
[INFO] [stderr]    Compiling backtrace-sys v0.1.31
[INFO] [stderr]    Compiling libssh2-sys v0.2.12
[INFO] [stderr]    Compiling libgit2-sys v0.9.1
[INFO] [stderr]    Compiling backtrace v0.3.38
[INFO] [stderr]    Compiling failure v0.1.5
[INFO] [stderr]    Compiling git2 v0.10.1
[INFO] [stderr]    Compiling we-git-you v0.1.0 (/opt/rustwide/workdir)
[INFO] [stderr] error[E0407]: method `fail` is not a member of trait `Fail`
[INFO] [stderr]   --> src/error.rs:13:5
[INFO] [stderr]    |
[INFO] [stderr] 13 | /     fn fail(&self, fmt: &mut fmt::Formatter) -> Result<(), fmt::Error> {
[INFO] [stderr] 14 | |         use self::WguError::*;
[INFO] [stderr] 15 | |         match *self {
[INFO] [stderr] 16 | |             ParentCommit => fmt.write_str("Failed to get parent commit")
[INFO] [stderr] 17 | |         }
[INFO] [stderr] 18 | |     }
[INFO] [stderr]    | |_____^ not a member of trait `Fail`
[INFO] [stderr] 
[INFO] [stderr] error[E0277]: `error::WguError` doesn't implement `std::fmt::Display`
[INFO] [stderr]   --> src/error.rs:12:6
[INFO] [stderr]    |
[INFO] [stderr] 12 | impl Fail for WguError {
[INFO] [stderr]    |      ^^^^ `error::WguError` cannot be formatted with the default formatter
[INFO] [stderr]    |
[INFO] [stderr]    = help: the trait `std::fmt::Display` is not implemented for `error::WguError`
[INFO] [stderr]    = note: in format strings you may be able to use `{:?}` (or {:#?} for pretty-print) instead
[INFO] [stderr] 
[INFO] [stderr] error: aborting due to 2 previous errors
[INFO] [stderr] 
[INFO] [stderr] Some errors have detailed explanations: E0277, E0407.
[INFO] [stderr] For more information about an error, try `rustc --explain E0277`.
[INFO] [stderr] error: Could not compile `we-git-you`.
[INFO] [stderr] 
[INFO] [stderr] To learn more, run the command again with --verbose.
[INFO] running `"docker" "inspect" "850650a9503e8d22899a9d2ca6983cce3363e3acbbd5223a7df80d281b241577"`
[INFO] running `"docker" "rm" "-f" "850650a9503e8d22899a9d2ca6983cce3363e3acbbd5223a7df80d281b241577"`
[INFO] [stdout] 850650a9503e8d22899a9d2ca6983cce3363e3acbbd5223a7df80d281b241577