Dec 18 16:51:44.916 INFO checking ed25519-dalek-1.0.0-pre.0 against master#96d1334e567237b1507cd277938e7ae2de75ff51 for pr-54252
Dec 18 16:51:44.917 INFO running `"docker" "create" "-v" "/mnt/big/crater/work/local/target-dirs/pr-54252/worker-7/master#96d1334e567237b1507cd277938e7ae2de75ff51:/opt/crater/target:rw,Z" "-v" "/mnt/big/crater/work/ex/pr-54252/sources/master#96d1334e567237b1507cd277938e7ae2de75ff51/reg/ed25519-dalek/1.0.0-pre.0:/opt/crater/workdir:ro,Z" "-v" "/mnt/big/crater/work/local/cargo-home:/opt/crater/cargo-home:ro,Z" "-v" "/mnt/big/crater/work/local/rustup-home:/opt/crater/rustup-home:ro,Z" "-e" "USER_ID=1000" "-e" "SOURCE_DIR=/opt/crater/workdir" "-e" "MAP_USER_ID=1000" "-e" "CARGO_TARGET_DIR=/opt/crater/target" "-e" "CARGO_INCREMENTAL=0" "-e" "RUST_BACKTRACE=full" "-e" "RUSTFLAGS=--cap-lints=forbid" "-e" "CARGO_HOME=/opt/crater/cargo-home" "-e" "RUSTUP_HOME=/opt/crater/rustup-home" "-w" "/opt/crater/workdir" "-m" "1536M" "--network" "none" "rustops/crates-build-env" "/opt/crater/cargo-home/bin/cargo" "+96d1334e567237b1507cd277938e7ae2de75ff51-alt" "check" "--frozen" "--all" "--all-targets"`
Dec 18 16:51:45.344 INFO [stdout] 529451dfcfe4c18f36a7fffe356526ab050178d013aed687b1f03e8a080ffb6a
Dec 18 16:51:45.350 INFO running `"docker" "start" "-a" "529451dfcfe4c18f36a7fffe356526ab050178d013aed687b1f03e8a080ffb6a"`
Dec 18 16:51:47.504 INFO [stderr]    Compiling subtle v2.0.0
Dec 18 16:51:47.504 INFO [stderr]     Checking rand_core v0.2.2
Dec 18 16:51:47.504 INFO [stderr]    Compiling rand v0.6.1
Dec 18 16:51:47.516 INFO [stderr]     Checking bincode v0.9.2
Dec 18 16:51:47.524 INFO [stderr]     Checking sha2 v0.8.0
Dec 18 16:51:48.938 INFO [stderr]     Checking rand v0.5.5
Dec 18 16:51:51.319 INFO [stderr] error[E0277]: the trait bound `rngs::jitter::TimerError: std::error::Error` is not satisfied
Dec 18 16:51:51.319 INFO [stderr]    --> /opt/crater/cargo-home/registry/src/github.com-1ecc6299db9ec823/rand-0.5.5/src/rngs/jitter.rs:269:9
Dec 18 16:51:51.319 INFO [stderr]     |
Dec 18 16:51:51.319 INFO [stderr] 269 |         Error::with_cause(ErrorKind::Unavailable,
Dec 18 16:51:51.319 INFO [stderr]     |         ^^^^^^^^^^^^^^^^^ the trait `std::error::Error` is not implemented for `rngs::jitter::TimerError`
Dec 18 16:51:51.319 INFO [stderr]     |
Dec 18 16:51:51.319 INFO [stderr]     = note: required because of the requirements on the impl of `core::convert::From<rngs::jitter::TimerError>` for `alloc::boxed::Box<(dyn std::error::Error + core::marker::Sync + core::marker::Send + 'static)>`
Dec 18 16:51:51.319 INFO [stderr]     = note: required because of the requirements on the impl of `core::convert::Into<alloc::boxed::Box<(dyn std::error::Error + core::marker::Sync + core::marker::Send + 'static)>>` for `rngs::jitter::TimerError`
Dec 18 16:51:51.319 INFO [stderr]     = note: required by `rand_core::Error::with_cause`
Dec 18 16:51:51.319 INFO [stderr] 
Dec 18 16:51:51.408 INFO [stderr] error: aborting due to previous error
Dec 18 16:51:51.408 INFO [stderr] 
Dec 18 16:51:51.408 INFO [stderr] For more information about this error, try `rustc --explain E0277`.
Dec 18 16:51:51.424 INFO [stderr] error: Could not compile `rand`.
Dec 18 16:51:51.424 INFO [stderr] warning: build failed, waiting for other jobs to finish...
Dec 18 16:51:55.823 INFO [stderr] error: build failed
Dec 18 16:51:56.514 INFO running `"docker" "inspect" "529451dfcfe4c18f36a7fffe356526ab050178d013aed687b1f03e8a080ffb6a"`
Dec 18 16:51:56.756 INFO running `"docker" "rm" "-f" "529451dfcfe4c18f36a7fffe356526ab050178d013aed687b1f03e8a080ffb6a"`
Dec 18 16:51:57.022 INFO [stdout] 529451dfcfe4c18f36a7fffe356526ab050178d013aed687b1f03e8a080ffb6a