[INFO] crate cortex-m-rt 0.6.10 is already in cache
[INFO] checking cortex-m-rt-0.6.10 against try#1a608893c03d7722effeb0058e82770bd36b4b3c for pr-66504-1
[INFO] extracting crate cortex-m-rt 0.6.10 into /workspace/builds/worker-4/source
[INFO] validating manifest of crates.io crate cortex-m-rt 0.6.10 on toolchain 1a608893c03d7722effeb0058e82770bd36b4b3c
[INFO] running `"/workspace/cargo-home/bin/cargo" "+1a608893c03d7722effeb0058e82770bd36b4b3c" "read-manifest" "--manifest-path" "Cargo.toml"`
[INFO] started tweaking crates.io crate cortex-m-rt 0.6.10
[INFO] removed 1 missing examples
[INFO] finished tweaking crates.io crate cortex-m-rt 0.6.10
[INFO] tweaked toml for crates.io crate cortex-m-rt 0.6.10 written to /workspace/builds/worker-4/source/Cargo.toml
[INFO] running `"/workspace/cargo-home/bin/cargo" "+1a608893c03d7722effeb0058e82770bd36b4b3c" "generate-lockfile" "--manifest-path" "Cargo.toml" "-Zno-index-update"`
[INFO] running `"/workspace/cargo-home/bin/cargo" "+1a608893c03d7722effeb0058e82770bd36b4b3c" "fetch" "--locked" "--manifest-path" "Cargo.toml"`
[INFO] running `"docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-4/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-4/source:/opt/rustwide/workdir:ro,Z" "-v" "/var/lib/crater-agent-workspace/cargo-home:/opt/rustwide/cargo-home:ro,Z" "-v" "/var/lib/crater-agent-workspace/rustup-home:/opt/rustwide/rustup-home:ro,Z" "-e" "SOURCE_DIR=/opt/rustwide/workdir" "-e" "MAP_USER_ID=0" "-e" "CARGO_TARGET_DIR=/opt/rustwide/target" "-e" "CARGO_INCREMENTAL=0" "-e" "RUST_BACKTRACE=full" "-e" "RUSTFLAGS=--cap-lints=forbid" "-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" "+1a608893c03d7722effeb0058e82770bd36b4b3c" "check" "--frozen" "--all" "--all-targets"`
[INFO] [stderr] WARNING: Your kernel does not support swap limit capabilities or the cgroup is not mounted. Memory limited without swap.
[INFO] [stdout] 1829390b199b3c5f2e76d8ebc1749689b49602b8e10099a42138cd268b7a622a
[INFO] running `"docker" "start" "-a" "1829390b199b3c5f2e76d8ebc1749689b49602b8e10099a42138cd268b7a622a"`
[INFO] [stderr]    Compiling compiletest_rs v0.3.26
[INFO] [stderr]    Compiling cortex-m-rt v0.6.10 (/opt/rustwide/workdir)
[INFO] [stderr]     Checking r0 v0.2.2
[INFO] [stderr]     Checking panic-halt v0.2.0
[INFO] [stderr]     Checking rand v0.5.6
[INFO] [stderr]    Compiling cortex-m-rt-macros v0.1.7
[INFO] [stderr]     Checking rustfix v0.4.6
[INFO] [stderr] error[E0277]: the trait bound `rngs::jitter::TimerError: core::convert::From<rngs::jitter::TimerError>` is not satisfied
[INFO] [stderr]    --> /opt/rustwide/cargo-home/registry/src/github.com-1ecc6299db9ec823/rand-0.5.6/src/rngs/jitter.rs:270:74
[INFO] [stderr]     |
[INFO] [stderr] 270 | ...                   "timer jitter failed basic quality tests", err)
[INFO] [stderr]     |                                                                  ^^^
[INFO] [stderr]     |                                                                  |
[INFO] [stderr]     |                                                                  expected an implementor of trait `core::convert::From<rngs::jitter::TimerError>`
[INFO] [stderr]     |                                                                  help: consider borrowing here: `&err`
[INFO] [stderr]     | 
[INFO] [stderr]    ::: /opt/rustwide/cargo-home/registry/src/github.com-1ecc6299db9ec823/rand_core-0.4.2/src/error.rs:120:18
[INFO] [stderr]     |
[INFO] [stderr] 120 |         where E: Into<Box<stdError + Send + Sync>>
[INFO] [stderr]     |                  --------------------------------- required by this bound in `rand_core::Error::with_cause`
[INFO] [stderr]     |
[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::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 `rngs::jitter::TimerError`
[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`.
[INFO] [stderr] warning: build failed, waiting for other jobs to finish...
[INFO] [stderr] error: build failed
[INFO] running `"docker" "inspect" "1829390b199b3c5f2e76d8ebc1749689b49602b8e10099a42138cd268b7a622a"`
[INFO] running `"docker" "rm" "-f" "1829390b199b3c5f2e76d8ebc1749689b49602b8e10099a42138cd268b7a622a"`
[INFO] [stdout] 1829390b199b3c5f2e76d8ebc1749689b49602b8e10099a42138cd268b7a622a