Dec 15 16:16:30.848 INFO testing ed25519-dalek-1.0.0-pre.0 against try#aa49d8ef14939ddec0e34b346b60174a5673d48f for pr-56550
Dec 15 16:16:30.848 INFO running `"docker" "create" "-v" "/mnt/big/crater/work/local/target-dirs/pr-56550/worker-5/try#aa49d8ef14939ddec0e34b346b60174a5673d48f:/target:rw,Z" "-v" "/mnt/big/crater/work/local/test-source/worker-5/pr-56550/try#aa49d8ef14939ddec0e34b346b60174a5673d48f:/source:ro,Z" "-v" "/mnt/big/crater/work/local/cargo-home:/cargo-home:ro,Z" "-v" "/mnt/big/crater/work/local/rustup-home:/rustup-home:ro,Z" "-e" "USER_ID=1000" "-e" "SOURCE_DIR=/source" "-e" "USER_ID=1000" "-e" "CMD=cargo +aa49d8ef14939ddec0e34b346b60174a5673d48f-alt build --frozen" "-e" "CARGO_TARGET_DIR=/target" "-e" "CARGO_INCREMENTAL=0" "-e" "RUST_BACKTRACE=full" "-e" "RUSTFLAGS=--cap-lints=forbid" "-e" "CARGO_HOME=/cargo-home" "-e" "RUSTUP_HOME=/rustup-home" "-m" "1536M" "--network" "none" "crater"`
Dec 15 16:16:31.215 INFO [stdout] 6fd33c4b345a35029845895a78d24602e93d35a86241f11ed1c407582295b8ff
Dec 15 16:16:31.221 INFO running `"docker" "start" "-a" "6fd33c4b345a35029845895a78d24602e93d35a86241f11ed1c407582295b8ff"`
Dec 15 16:16:32.658 INFO [stderr] usermod: no changes
Dec 15 16:16:32.898 INFO [stderr]    Compiling rand_core v0.2.2
Dec 15 16:16:32.902 INFO [stderr]    Compiling rand v0.6.1
Dec 15 16:16:34.124 INFO [stderr]    Compiling rand v0.5.5
Dec 15 16:16:37.683 INFO [stderr] error[E0277]: the trait bound `rngs::jitter::TimerError: std::error::Error` is not satisfied
Dec 15 16:16:37.683 INFO [stderr]    --> /cargo-home/registry/src/github.com-1ecc6299db9ec823/rand-0.5.5/src/rngs/jitter.rs:269:9
Dec 15 16:16:37.683 INFO [stderr]     |
Dec 15 16:16:37.683 INFO [stderr] 269 |         Error::with_cause(ErrorKind::Unavailable,
Dec 15 16:16:37.683 INFO [stderr]     |         ^^^^^^^^^^^^^^^^^ the trait `std::error::Error` is not implemented for `rngs::jitter::TimerError`
Dec 15 16:16:37.683 INFO [stderr]     |
Dec 15 16:16:37.683 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 15 16:16:37.683 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 15 16:16:37.683 INFO [stderr]     = note: required by `rand_core::Error::with_cause`
Dec 15 16:16:37.683 INFO [stderr] 
Dec 15 16:16:37.816 INFO [stderr] error: aborting due to previous error
Dec 15 16:16:37.816 INFO [stderr] 
Dec 15 16:16:37.816 INFO [stderr] For more information about this error, try `rustc --explain E0277`.
Dec 15 16:16:37.831 INFO [stderr] error: Could not compile `rand`.
Dec 15 16:16:37.831 INFO [stderr] warning: build failed, waiting for other jobs to finish...
Dec 15 16:16:39.739 INFO [stderr] error: build failed
Dec 15 16:16:39.742 INFO [stderr] su: No module specific data is present
Dec 15 16:16:40.873 INFO running `"docker" "inspect" "6fd33c4b345a35029845895a78d24602e93d35a86241f11ed1c407582295b8ff"`
Dec 15 16:16:41.117 INFO running `"docker" "rm" "-f" "6fd33c4b345a35029845895a78d24602e93d35a86241f11ed1c407582295b8ff"`
Dec 15 16:16:41.431 INFO [stdout] 6fd33c4b345a35029845895a78d24602e93d35a86241f11ed1c407582295b8ff