[INFO] crate embedded-time 0.4.0 is already in cache
[INFO] checking embedded-time-0.4.0 against master#4fb54ed484e2239a3e9eff3be17df00d2a162be3 for pr-73345
[INFO] extracting crate embedded-time 0.4.0 into /workspace/builds/worker-0/source
[INFO] validating manifest of crates.io crate embedded-time 0.4.0 on toolchain 4fb54ed484e2239a3e9eff3be17df00d2a162be3
[INFO] running `"/workspace/cargo-home/bin/cargo" "+4fb54ed484e2239a3e9eff3be17df00d2a162be3" "read-manifest" "--manifest-path" "Cargo.toml"`
[INFO] started tweaking crates.io crate embedded-time 0.4.0
[INFO] finished tweaking crates.io crate embedded-time 0.4.0
[INFO] tweaked toml for crates.io crate embedded-time 0.4.0 written to /workspace/builds/worker-0/source/Cargo.toml
[INFO] crate crates.io crate embedded-time 0.4.0 already has a lockfile, it will not be regenerated
[INFO] running `"/workspace/cargo-home/bin/cargo" "+4fb54ed484e2239a3e9eff3be17df00d2a162be3" "fetch" "--locked" "--manifest-path" "Cargo.toml"`
[INFO] [stderr]     Blocking waiting for file lock on package cache
[INFO] [stderr]     Blocking waiting for file lock on package cache
[INFO] running `"docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-0/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-0/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" "+4fb54ed484e2239a3e9eff3be17df00d2a162be3" "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] e3a16234fee4b9669ea4e6522d79035a18d9828dd8176b7c1e0f38caf8c4761d
[INFO] running `"docker" "start" "-a" "e3a16234fee4b9669ea4e6522d79035a18d9828dd8176b7c1e0f38caf8c4761d"`
[INFO] [stderr] sudo: setrlimit(RLIMIT_CORE): Operation not permitted
[INFO] [stderr]    Compiling autocfg v1.0.0
[INFO] [stderr]    Compiling semver-parser v0.7.0
[INFO] [stderr]    Compiling typenum v1.12.0
[INFO] [stderr]    Compiling cortex-m v0.6.2
[INFO] [stderr]    Compiling syn v1.0.30
[INFO] [stderr]     Checking stable_deref_trait v1.1.1
[INFO] [stderr]     Checking vcell v0.1.2
[INFO] [stderr]    Compiling cortex-m-rt v0.6.12
[INFO] [stderr]    Compiling nrf52832-pac v0.9.0
[INFO] [stderr]    Compiling fpa v0.1.0
[INFO] [stderr]     Checking r0 v0.2.2
[INFO] [stderr]     Checking rand_core v0.5.1
[INFO] [stderr]    Compiling nrf52832-hal v0.10.0
[INFO] [stderr]     Checking jlink_rtt v0.2.0
[INFO] [stderr]     Checking mutex-trait v0.2.0
[INFO] [stderr]     Checking volatile-register v0.2.0
[INFO] [stderr]    Compiling semver v0.9.0
[INFO] [stderr]    Compiling num-traits v0.2.11
[INFO] [stderr]    Compiling num-integer v0.1.42
[INFO] [stderr]    Compiling num-complex v0.2.4
[INFO] [stderr]    Compiling num-rational v0.2.4
[INFO] [stderr]    Compiling num-iter v0.1.40
[INFO] [stderr]    Compiling rustc_version v0.2.3
[INFO] [stderr]    Compiling bare-metal v0.2.5
[INFO] [stderr]    Compiling cast v0.2.3
[INFO] [stderr]     Checking generic-array v0.13.2
[INFO] [stderr]     Checking generic-array v0.12.3
[INFO] [stderr]     Checking as-slice v0.1.3
[INFO] [stderr]     Checking num v0.2.1
[INFO] [stderr]     Checking embedded-time v0.4.0 (/opt/rustwide/workdir)
[INFO] [stderr]     Checking aligned v0.3.2
[INFO] [stderr]     Checking panic_rtt v0.3.0
[INFO] [stderr]    Compiling cortex-m-rt-macros v0.1.8
[INFO] [stderr]     Checking nrf-hal-common v0.10.0
[INFO] [stderr] error[E0432]: unresolved import `cortex_m::mutex`
[INFO] [stderr]  --> examples/nrf52_dk/main.rs:7:15
[INFO] [stderr]   |
[INFO] [stderr] 7 | use cortex_m::mutex::CriticalSectionMutex as Mutex;
[INFO] [stderr]   |               ^^^^^ could not find `mutex` in `cortex_m`
[INFO] [stderr] 
[INFO] [stderr] error: language item required, but not found: `eh_personality`
[INFO] [stderr] 
[INFO] [stderr] warning: unused import: `mutex_trait::Mutex`
[INFO] [stderr]   --> examples/nrf52_dk/main.rs:10:5
[INFO] [stderr]    |
[INFO] [stderr] 10 | use mutex_trait::Mutex as _;
[INFO] [stderr]    |     ^^^^^^^^^^^^^^^^^^
[INFO] [stderr]    |
[INFO] [stderr]    = note: `#[warn(unused_imports)]` on by default
[INFO] [stderr] 
[INFO] [stderr] error: aborting due to 2 previous errors; 1 warning emitted
[INFO] [stderr] 
[INFO] [stderr] For more information about this error, try `rustc --explain E0432`.
[INFO] [stderr] error: could not compile `embedded-time`.
[INFO] [stderr] 
[INFO] [stderr] To learn more, run the command again with --verbose.
[INFO] [stderr] warning: build failed, waiting for other jobs to finish...
[INFO] [stderr] error: build failed
[INFO] running `"docker" "inspect" "e3a16234fee4b9669ea4e6522d79035a18d9828dd8176b7c1e0f38caf8c4761d"`
[INFO] running `"docker" "rm" "-f" "e3a16234fee4b9669ea4e6522d79035a18d9828dd8176b7c1e0f38caf8c4761d"`
[INFO] [stdout] e3a16234fee4b9669ea4e6522d79035a18d9828dd8176b7c1e0f38caf8c4761d