[INFO] cloning repository https://github.com/mgattozzi/we-git-you
[INFO] running `Command { std: "git" "-c" "credential.helper=" "-c" "credential.helper=/workspace/cargo-home/bin/git-credential-null" "clone" "--bare" "https://github.com/mgattozzi/we-git-you" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fmgattozzi%2Fwe-git-you", kill_on_drop: false }`
[INFO] [stderr] Cloning into bare repository '/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fmgattozzi%2Fwe-git-you'...
[INFO] running `Command { std: "git" "rev-parse" "HEAD", kill_on_drop: false }`
[INFO] [stdout] 18fc012bcdc7fb5e3cfaf0701e4ce5e5c33d2434
[INFO] testing mgattozzi/we-git-you against 1.55.0 for beta-1.56-1
[INFO] running `Command { std: "git" "clone" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fmgattozzi%2Fwe-git-you" "/workspace/builds/worker-55/source", kill_on_drop: false }`
[INFO] [stderr] Cloning into '/workspace/builds/worker-55/source'...
[INFO] [stderr] done.
[INFO] validating manifest of git repo https://github.com/mgattozzi/we-git-you on toolchain 1.55.0
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+1.55.0" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }`
[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 /workspace/builds/worker-55/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 `Command { std: "/workspace/cargo-home/bin/cargo" "+1.55.0" "fetch" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] [stderr]     Blocking waiting for file lock on package cache
[INFO] [stderr]     Updating crates.io index
[INFO] [stderr]     Blocking waiting for file lock on package cache
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-55/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-55/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" "ghcr.io/rust-lang/crates-build-env/linux@sha256:a89201d6b5b9fd45c15d5952ece0a0129e7e80cb26ec023fd59cf09bc26f1604" "/opt/rustwide/cargo-home/bin/cargo" "+1.55.0" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] f94a5ad155a0617b1ca6cbadeda18c7efa0309643499d07e4c62aaa6c1b9b97b
[INFO] running `Command { std: "docker" "start" "-a" "f94a5ad155a0617b1ca6cbadeda18c7efa0309643499d07e4c62aaa6c1b9b97b", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "f94a5ad155a0617b1ca6cbadeda18c7efa0309643499d07e4c62aaa6c1b9b97b", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "f94a5ad155a0617b1ca6cbadeda18c7efa0309643499d07e4c62aaa6c1b9b97b", kill_on_drop: false }`
[INFO] [stdout] f94a5ad155a0617b1ca6cbadeda18c7efa0309643499d07e4c62aaa6c1b9b97b
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-55/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-55/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" "ghcr.io/rust-lang/crates-build-env/linux@sha256:a89201d6b5b9fd45c15d5952ece0a0129e7e80cb26ec023fd59cf09bc26f1604" "/opt/rustwide/cargo-home/bin/cargo" "+1.55.0" "build" "--frozen" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] 8464419121cf63570a04f9a94f5c173dcff646e73fd930cb1319d25c54fe7b1e
[INFO] running `Command { std: "docker" "start" "-a" "8464419121cf63570a04f9a94f5c173dcff646e73fd930cb1319d25c54fe7b1e", kill_on_drop: false }`
[INFO] [stderr]     Blocking waiting for file lock on package cache
[INFO] [stderr]    Compiling libc v0.2.101
[INFO] [stderr]    Compiling pkg-config v0.3.19
[INFO] [stderr]    Compiling autocfg v1.0.1
[INFO] [stderr]    Compiling proc-macro2 v1.0.29
[INFO] [stderr]    Compiling unicode-xid v0.2.2
[INFO] [stderr]    Compiling syn v1.0.76
[INFO] [stderr]    Compiling tinyvec_macros v0.1.0
[INFO] [stderr]    Compiling memchr v2.4.1
[INFO] [stderr]    Compiling cfg-if v1.0.0
[INFO] [stderr]    Compiling matches v0.1.9
[INFO] [stderr]    Compiling percent-encoding v2.1.0
[INFO] [stderr]    Compiling gimli v0.25.0
[INFO] [stderr]    Compiling log v0.4.14
[INFO] [stderr]    Compiling adler v1.0.2
[INFO] [stderr]    Compiling failure_derive v0.1.8
[INFO] [stderr]    Compiling unicode-bidi v0.3.6
[INFO] [stderr]    Compiling unicode-width v0.1.4
[INFO] [stderr]    Compiling rustc-demangle v0.1.4
[INFO] [stderr]    Compiling bitflags v1.3.2
[INFO] [stderr]    Compiling ansi_term v0.9.0
[INFO] [stderr]    Compiling unicode-segmentation v1.1.0
[INFO] [stderr]    Compiling openssl-probe v0.1.4
[INFO] [stderr]    Compiling bitflags v0.9.1
[INFO] [stderr]    Compiling vec_map v0.8.0
[INFO] [stderr]    Compiling strsim v0.6.0
[INFO] [stderr]    Compiling tinyvec v1.4.0
[INFO] [stderr]    Compiling miniz_oxide v0.4.4
[INFO] [stderr]    Compiling form_urlencoded v1.0.1
[INFO] [stderr]    Compiling object v0.26.2
[INFO] [stderr]    Compiling quote v1.0.9
[INFO] [stderr]    Compiling jobserver v0.1.24
[INFO] [stderr]    Compiling term_size v0.3.0
[INFO] [stderr]    Compiling atty v0.2.2
[INFO] [stderr]    Compiling unicode-normalization v0.1.19
[INFO] [stderr]    Compiling addr2line v0.16.0
[INFO] [stderr]    Compiling textwrap v0.6.0
[INFO] [stderr]    Compiling cc v1.0.70
[INFO] [stderr]    Compiling clap v2.25.0
[INFO] [stderr]    Compiling openssl-sys v0.9.66
[INFO] [stderr]    Compiling libz-sys v1.1.3
[INFO] [stderr]    Compiling libssh2-sys v0.2.21
[INFO] [stderr]    Compiling backtrace v0.3.61
[INFO] [stderr]    Compiling libgit2-sys v0.12.23+1.2.0
[INFO] [stderr]    Compiling idna v0.2.3
[INFO] [stderr]    Compiling url v2.2.2
[INFO] [stderr]    Compiling synstructure v0.12.5
[INFO] [stderr]    Compiling git2 v0.13.22
[INFO] [stderr]    Compiling failure v0.1.8
[INFO] [stderr]    Compiling we-git-you v0.1.0 (/opt/rustwide/workdir)
[INFO] [stdout] error[E0407]: method `fail` is not a member of trait `Fail`
[INFO] [stdout]   --> src/error.rs:13:5
[INFO] [stdout]    |
[INFO] [stdout] 13 | /     fn fail(&self, fmt: &mut fmt::Formatter) -> Result<(), fmt::Error> {
[INFO] [stdout] 14 | |         use self::WguError::*;
[INFO] [stdout] 15 | |         match *self {
[INFO] [stdout] 16 | |             ParentCommit => fmt.write_str("Failed to get parent commit")
[INFO] [stdout] 17 | |         }
[INFO] [stdout] 18 | |     }
[INFO] [stdout]    | |_____^ not a member of trait `Fail`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error[E0277]: `error::WguError` doesn't implement `std::fmt::Display`
[INFO] [stdout]    --> src/error.rs:12:6
[INFO] [stdout]     |
[INFO] [stdout] 12  | impl Fail for WguError {
[INFO] [stdout]     |      ^^^^ `error::WguError` cannot be formatted with the default formatter
[INFO] [stdout]     | 
[INFO] [stdout]    ::: /opt/rustwide/cargo-home/registry/src/github.com-1ecc6299db9ec823/failure-0.1.8/src/lib.rs:108:17
[INFO] [stdout]     |
[INFO] [stdout] 108 | pub trait Fail: Display + Debug + Send + Sync + 'static {
[INFO] [stdout]     |                 ------- required by this bound in `Fail`
[INFO] [stdout]     |
[INFO] [stdout]     = help: the trait `std::fmt::Display` is not implemented for `error::WguError`
[INFO] [stdout]     = note: in format strings you may be able to use `{:?}` (or {:#?} for pretty-print) instead
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error: aborting due to 2 previous errors
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] Some errors have detailed explanations: E0277, E0407.
[INFO] [stdout] 
[INFO] [stdout] For more information about an error, try `rustc --explain E0277`.
[INFO] [stdout] 
[INFO] [stderr] error: could not compile `we-git-you` due to 3 previous errors
[INFO] running `Command { std: "docker" "inspect" "8464419121cf63570a04f9a94f5c173dcff646e73fd930cb1319d25c54fe7b1e", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "8464419121cf63570a04f9a94f5c173dcff646e73fd930cb1319d25c54fe7b1e", kill_on_drop: false }`
[INFO] [stdout] 8464419121cf63570a04f9a94f5c173dcff646e73fd930cb1319d25c54fe7b1e