[INFO] crate challenge-bypass-ristretto 1.0.0-pre.0 is already in cache
[INFO] extracting crate challenge-bypass-ristretto 1.0.0-pre.0 into work/ex/pr-60039-1/sources/master#e305df1846a6d985315917ae0c81b74af8b4e641/reg/challenge-bypass-ristretto/1.0.0-pre.0
[INFO] extracting crate challenge-bypass-ristretto 1.0.0-pre.0 into work/ex/pr-60039-1/sources/try#99a7498759a22b5684caf798a98b7e90ad9d2443/reg/challenge-bypass-ristretto/1.0.0-pre.0
[INFO] validating manifest of challenge-bypass-ristretto-1.0.0-pre.0 on toolchain master#e305df1846a6d985315917ae0c81b74af8b4e641
[INFO] running `"/mnt/big/crater/work/local/cargo-home/bin/cargo" "+e305df1846a6d985315917ae0c81b74af8b4e641-alt" "read-manifest" "--manifest-path" "Cargo.toml"`
[INFO] validating manifest of challenge-bypass-ristretto-1.0.0-pre.0 on toolchain try#99a7498759a22b5684caf798a98b7e90ad9d2443
[INFO] running `"/mnt/big/crater/work/local/cargo-home/bin/cargo" "+99a7498759a22b5684caf798a98b7e90ad9d2443-alt" "read-manifest" "--manifest-path" "Cargo.toml"`
[INFO] started frobbing challenge-bypass-ristretto-1.0.0-pre.0
[INFO] finished frobbing challenge-bypass-ristretto-1.0.0-pre.0
[INFO] frobbed toml for challenge-bypass-ristretto-1.0.0-pre.0 written to work/ex/pr-60039-1/sources/master#e305df1846a6d985315917ae0c81b74af8b4e641/reg/challenge-bypass-ristretto/1.0.0-pre.0/Cargo.toml
[INFO] started frobbing challenge-bypass-ristretto-1.0.0-pre.0
[INFO] finished frobbing challenge-bypass-ristretto-1.0.0-pre.0
[INFO] frobbed toml for challenge-bypass-ristretto-1.0.0-pre.0 written to work/ex/pr-60039-1/sources/try#99a7498759a22b5684caf798a98b7e90ad9d2443/reg/challenge-bypass-ristretto/1.0.0-pre.0/Cargo.toml
[INFO] running `"/mnt/big/crater/work/local/cargo-home/bin/cargo" "+e305df1846a6d985315917ae0c81b74af8b4e641-alt" "generate-lockfile" "--manifest-path" "Cargo.toml" "-Zno-index-update"`
[INFO] running `"/mnt/big/crater/work/local/cargo-home/bin/cargo" "+99a7498759a22b5684caf798a98b7e90ad9d2443-alt" "generate-lockfile" "--manifest-path" "Cargo.toml" "-Zno-index-update"`
[INFO] running `"/mnt/big/crater/work/local/cargo-home/bin/cargo" "+e305df1846a6d985315917ae0c81b74af8b4e641-alt" "fetch" "--locked" "--manifest-path" "Cargo.toml"`
[INFO] running `"/mnt/big/crater/work/local/cargo-home/bin/cargo" "+99a7498759a22b5684caf798a98b7e90ad9d2443-alt" "fetch" "--locked" "--manifest-path" "Cargo.toml"`
[INFO] checking challenge-bypass-ristretto-1.0.0-pre.0 against try#99a7498759a22b5684caf798a98b7e90ad9d2443 for pr-60039-1
[INFO] running `"docker" "create" "-v" "/mnt/big/crater/work/local/target-dirs/pr-60039-1/worker-4/try#99a7498759a22b5684caf798a98b7e90ad9d2443:/opt/crater/target:rw,Z" "-v" "/mnt/big/crater/work/ex/pr-60039-1/sources/try#99a7498759a22b5684caf798a98b7e90ad9d2443/reg/challenge-bypass-ristretto/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" "+99a7498759a22b5684caf798a98b7e90ad9d2443-alt" "check" "--frozen" "--all" "--all-targets"`
[INFO] [stdout] e76cc59fc0be30a999acd4c481b51b4478335a1b03ff9830db16f6f8642a0d12
[INFO] running `"docker" "start" "-a" "e76cc59fc0be30a999acd4c481b51b4478335a1b03ff9830db16f6f8642a0d12"`
[INFO] [stderr]    Compiling rand v0.6.5
[INFO] [stderr]     Checking rand_jitter v0.1.3
[INFO] [stderr] error[E0277]: the trait bound `error::TimerError: std::error::Error` is not satisfied
[INFO] [stderr]   --> /opt/crater/cargo-home/registry/src/github.com-1ecc6299db9ec823/rand_jitter-0.1.3/src/error.rs:62:9
[INFO] [stderr]    |
[INFO] [stderr] 62 |         Error::with_cause(ErrorKind::Unavailable,
[INFO] [stderr]    |         ^^^^^^^^^^^^^^^^^ the trait `std::error::Error` is not implemented for `error::TimerError`
[INFO] [stderr]    |
[INFO] [stderr]    = note: required because of the requirements on the impl of `core::convert::From<error::TimerError>` for `alloc::boxed::Box<(dyn std::error::Error + core::marker::Send + core::marker::Sync + 'static)>`
[INFO] [stderr]    = note: required because of the requirements on the impl of `core::convert::Into<alloc::boxed::Box<(dyn std::error::Error + core::marker::Send + core::marker::Sync + 'static)>>` for `error::TimerError`
[INFO] [stderr]    = note: required by `rand_core::Error::with_cause`
[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 `rand_jitter`.
[INFO] [stderr] warning: build failed, waiting for other jobs to finish...
[INFO] [stderr] error: build failed
[INFO] running `"docker" "inspect" "e76cc59fc0be30a999acd4c481b51b4478335a1b03ff9830db16f6f8642a0d12"`
[INFO] running `"docker" "rm" "-f" "e76cc59fc0be30a999acd4c481b51b4478335a1b03ff9830db16f6f8642a0d12"`
[INFO] [stdout] e76cc59fc0be30a999acd4c481b51b4478335a1b03ff9830db16f6f8642a0d12