[INFO] crate dbg 1.0.4 is already in cache
[INFO] testing dbg-1.0.4 against beta-2019-09-28 for beta-1.39-1
[INFO] extracting crate dbg 1.0.4 into work/builds/worker-0/source
[INFO] validating manifest of crates.io crate dbg 1.0.4 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 crates.io crate dbg 1.0.4
[INFO] finished tweaking crates.io crate dbg 1.0.4
[INFO] tweaked toml for crates.io crate dbg 1.0.4 written to work/builds/worker-0/source/Cargo.toml
[INFO] running `"/big/crater/work/cargo-home/bin/cargo" "+beta-2019-09-28" "generate-lockfile" "--manifest-path" "Cargo.toml" "-Zno-index-update"`
[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-0/target:/opt/rustwide/target:rw,Z" "-v" "/big/crater/work/builds/worker-0/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] e11d98ac906ec491313672fc2e3a0b9bca5d95a558fc76fcfa4625cbb3978607
[INFO] running `"docker" "start" "-a" "e11d98ac906ec491313672fc2e3a0b9bca5d95a558fc76fcfa4625cbb3978607"`
[INFO] [stderr]    Compiling dbg v1.0.4 (/opt/rustwide/workdir)
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 1.18s
[INFO] running `"docker" "inspect" "e11d98ac906ec491313672fc2e3a0b9bca5d95a558fc76fcfa4625cbb3978607"`
[INFO] running `"docker" "rm" "-f" "e11d98ac906ec491313672fc2e3a0b9bca5d95a558fc76fcfa4625cbb3978607"`
[INFO] [stdout] e11d98ac906ec491313672fc2e3a0b9bca5d95a558fc76fcfa4625cbb3978607
[INFO] running `"docker" "create" "-v" "/big/crater/work/builds/worker-0/target:/opt/rustwide/target:rw,Z" "-v" "/big/crater/work/builds/worker-0/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" "test" "--frozen" "--no-run"`
[INFO] [stdout] 33af9a0cbd6903100452bf25ecfd2c8d584f0c95390477619a75ad73e105aeec
[INFO] running `"docker" "start" "-a" "33af9a0cbd6903100452bf25ecfd2c8d584f0c95390477619a75ad73e105aeec"`
[INFO] [stderr]    Compiling dbg v1.0.4 (/opt/rustwide/workdir)
[INFO] [stderr] error[E0277]: `tests::not_debug::X` doesn't implement `std::fmt::Debug`
[INFO] [stderr]    --> src/lib.rs:86:62
[INFO] [stderr]     |
[INFO] [stderr] 86  |                     (if detailed { write!(&mut err, "{:#?}", _tmp) }
[INFO] [stderr]     |                                                              ^^^^ `tests::not_debug::X` cannot be formatted using `{:?}`
[INFO] [stderr] ...
[INFO] [stderr] 270 |         dbg!(&a);
[INFO] [stderr]     |         --------- in this macro invocation
[INFO] [stderr]     |
[INFO] [stderr]     = help: the trait `std::fmt::Debug` is not implemented for `tests::not_debug::X`
[INFO] [stderr]     = note: add `#[derive(Debug)]` or manually implement `std::fmt::Debug`
[INFO] [stderr]     = note: required because of the requirements on the impl of `std::fmt::Debug` for `&tests::not_debug::X`
[INFO] [stderr]     = note: required because of the requirements on the impl of `std::fmt::Debug` for `WrapDebug<&tests::not_debug::X>`
[INFO] [stderr]     = note: required by `std::fmt::Debug::fmt`
[INFO] [stderr] 
[INFO] [stderr] error[E0277]: `tests::not_debug::X` doesn't implement `std::fmt::Debug`
[INFO] [stderr]    --> src/lib.rs:87:62
[INFO] [stderr]     |
[INFO] [stderr] 87  |                     else         { write!(&mut err, "{:?}" , _tmp) }).unwrap();
[INFO] [stderr]     |                                                              ^^^^ `tests::not_debug::X` cannot be formatted using `{:?}`
[INFO] [stderr] ...
[INFO] [stderr] 270 |         dbg!(&a);
[INFO] [stderr]     |         --------- in this macro invocation
[INFO] [stderr]     |
[INFO] [stderr]     = help: the trait `std::fmt::Debug` is not implemented for `tests::not_debug::X`
[INFO] [stderr]     = note: add `#[derive(Debug)]` or manually implement `std::fmt::Debug`
[INFO] [stderr]     = note: required because of the requirements on the impl of `std::fmt::Debug` for `&tests::not_debug::X`
[INFO] [stderr]     = note: required because of the requirements on the impl of `std::fmt::Debug` for `WrapDebug<&tests::not_debug::X>`
[INFO] [stderr]     = note: required by `std::fmt::Debug::fmt`
[INFO] [stderr] 
[INFO] [stderr] error: aborting due to 2 previous errors
[INFO] [stderr] 
[INFO] [stderr] For more information about this error, try `rustc --explain E0277`.
[INFO] [stderr] error: could not compile `dbg`.
[INFO] [stderr] 
[INFO] [stderr] To learn more, run the command again with --verbose.
[INFO] running `"docker" "inspect" "33af9a0cbd6903100452bf25ecfd2c8d584f0c95390477619a75ad73e105aeec"`
[INFO] running `"docker" "rm" "-f" "33af9a0cbd6903100452bf25ecfd2c8d584f0c95390477619a75ad73e105aeec"`
[INFO] [stdout] 33af9a0cbd6903100452bf25ecfd2c8d584f0c95390477619a75ad73e105aeec