Dec 05 06:03:26.797 INFO checking stm32l0x1-hal-0.8.0 against try#1df97983eb2057dc6a8f7eb364e263b51ae23230 for pr-56481
Dec 05 06:03:26.797 INFO running `"docker" "create" "-v" "/mnt/big/crater/work/local/target-dirs/pr-56481/worker-6/try#1df97983eb2057dc6a8f7eb364e263b51ae23230:/target:rw,Z" "-v" "/mnt/big/crater/work/local/test-source/worker-6/pr-56481/try#1df97983eb2057dc6a8f7eb364e263b51ae23230:/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 +1df97983eb2057dc6a8f7eb364e263b51ae23230-alt check --frozen --all --all-targets" "-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 05 06:03:27.436 INFO [stdout] e74a64e42e5ae01766535bfeb9ec55459351103f0be8dfbc4148baf985e304bc
Dec 05 06:03:27.438 INFO running `"docker" "start" "-a" "e74a64e42e5ae01766535bfeb9ec55459351103f0be8dfbc4148baf985e304bc"`
Dec 05 06:03:29.455 INFO [stderr] usermod: no changes
Dec 05 06:03:29.575 INFO [stderr]    Compiling rand_core v0.3.0
Dec 05 06:03:29.585 INFO [stderr]    Compiling cortex-m-rt v0.6.5
Dec 05 06:03:29.585 INFO [stderr]    Compiling stm32l0x1 v0.13.2
Dec 05 06:03:29.585 INFO [stderr]     Checking r0 v0.2.2
Dec 05 06:03:29.585 INFO [stderr]     Checking nb v0.1.1
Dec 05 06:03:29.585 INFO [stderr]     Checking flash-embedded-hal v0.1.2
Dec 05 06:03:29.585 INFO [stderr]    Compiling syn v0.15.22
Dec 05 06:03:30.123 INFO [stderr]     Checking embedded-hal v0.2.2
Dec 05 06:03:30.928 INFO [stderr]    Compiling rand_core v0.2.2
Dec 05 06:03:31.311 INFO [stderr]    Compiling rand v0.5.5
Dec 05 06:03:47.361 INFO [stderr]    Compiling cortex-m-rt-macros v0.1.3
Dec 05 06:04:01.315 INFO [stderr]     Checking stm32l0x1-hal v0.8.0 (/source)
Dec 05 06:04:02.299 INFO [stderr] warning: unused import: `rcc::clocking::LPTimerClkSource`
Dec 05 06:04:02.299 INFO [stderr]   --> src/timer.rs:10:5
Dec 05 06:04:02.299 INFO [stderr]    |
Dec 05 06:04:02.299 INFO [stderr] 10 | use rcc::clocking::LPTimerClkSource;
Dec 05 06:04:02.299 INFO [stderr]    |     ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
Dec 05 06:04:02.299 INFO [stderr]    |
Dec 05 06:04:02.299 INFO [stderr]    = note: #[warn(unused_imports)] on by default
Dec 05 06:04:02.299 INFO [stderr] 
Dec 05 06:04:03.004 INFO [stderr] warning: unused import: `rcc::clocking::LPTimerClkSource`
Dec 05 06:04:03.063 INFO [stderr]   --> src/timer.rs:10:5
Dec 05 06:04:03.063 INFO [stderr]    |
Dec 05 06:04:03.063 INFO [stderr] 10 | use rcc::clocking::LPTimerClkSource;
Dec 05 06:04:03.063 INFO [stderr]    |     ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
Dec 05 06:04:03.063 INFO [stderr]    |
Dec 05 06:04:03.063 INFO [stderr]    = note: #[warn(unused_imports)] on by default
Dec 05 06:04:03.063 INFO [stderr] 
Dec 05 06:04:04.792 INFO [stderr] warning: unused import: `Read`
Dec 05 06:04:04.792 INFO [stderr]   --> src/flash.rs:12:19
Dec 05 06:04:04.793 INFO [stderr]    |
Dec 05 06:04:04.793 INFO [stderr] 12 | use fhal::flash::{Read, WriteErase, Locking};
Dec 05 06:04:04.793 INFO [stderr]    |                   ^^^^
Dec 05 06:04:04.793 INFO [stderr] 
Dec 05 06:04:05.415 INFO [stderr] warning: unused import: `Read`
Dec 05 06:04:05.415 INFO [stderr]   --> src/flash.rs:12:19
Dec 05 06:04:05.415 INFO [stderr]    |
Dec 05 06:04:05.415 INFO [stderr] 12 | use fhal::flash::{Read, WriteErase, Locking};
Dec 05 06:04:05.415 INFO [stderr]    |                   ^^^^
Dec 05 06:04:05.415 INFO [stderr] 
Dec 05 06:04:06.316 INFO [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 36.84s
Dec 05 06:04:06.321 INFO [stderr] su: No module specific data is present
Dec 05 06:04:06.857 INFO running `"docker" "inspect" "e74a64e42e5ae01766535bfeb9ec55459351103f0be8dfbc4148baf985e304bc"`
Dec 05 06:04:07.045 INFO running `"docker" "rm" "-f" "e74a64e42e5ae01766535bfeb9ec55459351103f0be8dfbc4148baf985e304bc"`
Dec 05 06:04:07.370 INFO [stdout] e74a64e42e5ae01766535bfeb9ec55459351103f0be8dfbc4148baf985e304bc