[INFO] updating cached repository https://github.com/mathieu-pousse/lock-birdwatcher
[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] 528736f795ce51495b68df041513db31cc70cee8
[INFO] testing mathieu-pousse/lock-birdwatcher against 1.38.0 for beta-1.39-1
[INFO] running `"git" "clone" "work/cache/git-repos/https%3A%2F%2Fgithub.com%2Fmathieu-pousse%2Flock-birdwatcher" "work/builds/worker-5/source"`
[INFO] [stderr] Cloning into 'work/builds/worker-5/source'...
[INFO] [stderr] done.
[INFO] validating manifest of git repo https://github.com/mathieu-pousse/lock-birdwatcher 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/mathieu-pousse/lock-birdwatcher
[INFO] finished tweaking git repo https://github.com/mathieu-pousse/lock-birdwatcher
[INFO] tweaked toml for git repo https://github.com/mathieu-pousse/lock-birdwatcher written to work/builds/worker-5/source/Cargo.toml
[INFO] crate git repo https://github.com/mathieu-pousse/lock-birdwatcher 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]     Blocking waiting for file lock on package cache
[INFO] [stderr]     Blocking waiting for file lock on package cache
[INFO] running `"docker" "create" "-v" "/big/crater/work/builds/worker-5/target:/opt/rustwide/target:rw,Z" "-v" "/big/crater/work/builds/worker-5/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] 55eb5d0ad6ba0b2ef582830008aea00b59d4597324a270dc514857cb2aafefb2
[INFO] running `"docker" "start" "-a" "55eb5d0ad6ba0b2ef582830008aea00b59d4597324a270dc514857cb2aafefb2"`
[INFO] [stderr]    Compiling fallible-iterator v0.1.5
[INFO] [stderr]    Compiling md5 v0.3.7
[INFO] [stderr]    Compiling regex v1.0.2
[INFO] [stderr]    Compiling stringprep v0.1.2
[INFO] [stderr]    Compiling aho-corasick v0.6.6
[INFO] [stderr]    Compiling thread_local v0.3.5
[INFO] [stderr]    Compiling socket2 v0.3.7
[INFO] [stderr]    Compiling digest v0.7.5
[INFO] [stderr]    Compiling hmac v0.5.0
[INFO] [stderr]    Compiling sha2 v0.7.1
[INFO] [stderr]    Compiling postgres-protocol v0.3.2
[INFO] [stderr]    Compiling postgres-shared v0.4.1
[INFO] [stderr]    Compiling docopt v1.0.0
[INFO] [stderr]    Compiling postgres v0.15.2
[INFO] [stderr]    Compiling lock-scanner v0.1.0 (/opt/rustwide/workdir)
[INFO] [stderr] error: invalid format string: expected `'}'`, found `'?'`
[INFO] [stderr]   --> src/main.rs:45:75
[INFO] [stderr]    |
[INFO] [stderr] 45 |             eprintln!("oops, there was a problem connecting to the base: {?}", error);
[INFO] [stderr]    |                                                                          -^ expected `}` in format string
[INFO] [stderr]    |                                                                          |
[INFO] [stderr]    |                                                                          because of this opening brace
[INFO] [stderr]    |
[INFO] [stderr]    = note: if you intended to print `{`, you can escape it using `{{`
[INFO] [stderr] 
[INFO] [stderr] error[E0308]: match arms have incompatible types
[INFO] [stderr]   --> src/main.rs:93:27
[INFO] [stderr]    |
[INFO] [stderr] 91 |            let found = match connection.execute(INSERT_INTO, &[]) {
[INFO] [stderr]    |   _____________________-
[INFO] [stderr] 92 |  |             Ok(found) => found,
[INFO] [stderr]    |  |                          ----- this is found to be of type `u64`
[INFO] [stderr] 93 |  |             Err(error) => {
[INFO] [stderr]    |  |___________________________^
[INFO] [stderr] 94 | ||                 eprintln!("couldn't scan locks: {:?}", error.to_string());
[INFO] [stderr] 95 | ||                 0;
[INFO] [stderr] 96 | ||             },
[INFO] [stderr]    | ||_____________^ expected u64, found ()
[INFO] [stderr] 97 |  |         };
[INFO] [stderr]    |  |_________- `match` arms have incompatible types
[INFO] [stderr]    |
[INFO] [stderr]    = note: expected type `u64`
[INFO] [stderr]               found type `()`
[INFO] [stderr] 
[INFO] [stderr] error: aborting due to 2 previous errors
[INFO] [stderr] 
[INFO] [stderr] For more information about this error, try `rustc --explain E0308`.
[INFO] [stderr] error: Could not compile `lock-scanner`.
[INFO] [stderr] 
[INFO] [stderr] To learn more, run the command again with --verbose.
[INFO] running `"docker" "inspect" "55eb5d0ad6ba0b2ef582830008aea00b59d4597324a270dc514857cb2aafefb2"`
[INFO] running `"docker" "rm" "-f" "55eb5d0ad6ba0b2ef582830008aea00b59d4597324a270dc514857cb2aafefb2"`
[INFO] [stdout] 55eb5d0ad6ba0b2ef582830008aea00b59d4597324a270dc514857cb2aafefb2