[INFO] updating cached repository https://github.com/barafael/floatingpoint-type-punning
[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] 5986914d3e6059c4d8b862506d614cd3c4746a3f
[INFO] testing barafael/floatingpoint-type-punning against beta-2019-09-28 for beta-1.39-1
[INFO] running `"git" "clone" "work/cache/git-repos/https%3A%2F%2Fgithub.com%2Fbarafael%2Ffloatingpoint-type-punning" "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/barafael/floatingpoint-type-punning on toolchain beta-2019-09-28
[INFO] running `"/big/crater/work/cargo-home/bin/cargo" "+beta-2019-09-28" "read-manifest" "--manifest-path" "Cargo.toml"`
[INFO] started tweaking git repo https://github.com/barafael/floatingpoint-type-punning
[INFO] finished tweaking git repo https://github.com/barafael/floatingpoint-type-punning
[INFO] tweaked toml for git repo https://github.com/barafael/floatingpoint-type-punning written to work/builds/worker-3/source/Cargo.toml
[INFO] crate git repo https://github.com/barafael/floatingpoint-type-punning already has a lockfile, it will not be regenerated
[INFO] running `"/big/crater/work/cargo-home/bin/cargo" "+beta-2019-09-28" "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" "+beta-2019-09-28" "build" "--frozen"`
[INFO] [stdout] a0c1a46af177f8c3e1b38e8dd3f452d3c50176136ca6ad0ea964cf9e8bfbaa9b
[INFO] running `"docker" "start" "-a" "a0c1a46af177f8c3e1b38e8dd3f452d3c50176136ca6ad0ea964cf9e8bfbaa9b"`
[INFO] [stderr]    Compiling bitfield v0.13.1
[INFO] [stderr]    Compiling c2rust v0.0.0
[INFO] [stderr]    Compiling floatingpoint-rs v0.1.0 (/opt/rustwide/workdir)
[INFO] [stderr] error[E0277]: the trait bound `FloatBitPattern: std::fmt::Binary` is not satisfied
[INFO] [stderr]    --> src/main.rs:123:42
[INFO] [stderr]     |
[INFO] [stderr] 123 |     println!("pattern before 0.5: {:b}", FloatBitPattern::new(initial));
[INFO] [stderr]     |                                          ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^ the trait `std::fmt::Binary` is not implemented for `FloatBitPattern`
[INFO] [stderr]     |
[INFO] [stderr]     = note: required by `std::fmt::Binary::fmt`
[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: could not compile `floatingpoint-rs`.
[INFO] [stderr] 
[INFO] [stderr] To learn more, run the command again with --verbose.
[INFO] running `"docker" "inspect" "a0c1a46af177f8c3e1b38e8dd3f452d3c50176136ca6ad0ea964cf9e8bfbaa9b"`
[INFO] running `"docker" "rm" "-f" "a0c1a46af177f8c3e1b38e8dd3f452d3c50176136ca6ad0ea964cf9e8bfbaa9b"`
[INFO] [stdout] a0c1a46af177f8c3e1b38e8dd3f452d3c50176136ca6ad0ea964cf9e8bfbaa9b