Dec 05 06:03:31.398 INFO checking stm32l0x1-hal-0.8.0 against master#c8ae2de8363be088604ffa2ccba84ff7ad7250bc for pr-56481
Dec 05 06:03:31.398 INFO running `"docker" "create" "-v" "/mnt/big/crater/work/local/target-dirs/pr-56481/worker-4/master#c8ae2de8363be088604ffa2ccba84ff7ad7250bc:/target:rw,Z" "-v" "/mnt/big/crater/work/local/test-source/worker-4/pr-56481/master#c8ae2de8363be088604ffa2ccba84ff7ad7250bc:/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 +c8ae2de8363be088604ffa2ccba84ff7ad7250bc-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 06:03:31.880 INFO [stdout] 5ecc852009e6053b93fa31cd309041354dd28492754ec525511b1d7ebc2f9bc8
Dec 05 06:03:31.882 INFO running `"docker" "start" "-a" "5ecc852009e6053b93fa31cd309041354dd28492754ec525511b1d7ebc2f9bc8"`
Dec 05 06:03:33.314 INFO [stderr] usermod: no changes
Dec 05 06:03:33.454 INFO [stderr]    Compiling stm32l0x1 v0.13.2
Dec 05 06:03:33.454 INFO [stderr]     Checking nb v0.1.1
Dec 05 06:03:33.454 INFO [stderr]     Checking cast v0.2.2
Dec 05 06:03:33.454 INFO [stderr]     Checking flash-embedded-hal v0.1.2
Dec 05 06:03:33.454 INFO [stderr]    Compiling syn v0.15.22
Dec 05 06:03:34.115 INFO [stderr]     Checking embedded-hal v0.2.2
Dec 05 06:03:48.933 INFO [stderr]    Compiling cortex-m-rt-macros v0.1.3
Dec 05 06:03:51.307 INFO [stderr]     Checking cortex-m-rt v0.6.5
Dec 05 06:04:02.251 INFO [stderr]     Checking stm32l0x1-hal v0.8.0 (/source)
Dec 05 06:04:03.658 INFO [stderr] warning: unused import: `rcc::clocking::LPTimerClkSource`
Dec 05 06:04:03.658 INFO [stderr]   --> src/timer.rs:10:5
Dec 05 06:04:03.658 INFO [stderr]    |
Dec 05 06:04:03.658 INFO [stderr] 10 | use rcc::clocking::LPTimerClkSource;
Dec 05 06:04:03.658 INFO [stderr]    |     ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
Dec 05 06:04:03.658 INFO [stderr]    |
Dec 05 06:04:03.658 INFO [stderr]    = note: #[warn(unused_imports)] on by default
Dec 05 06:04:03.658 INFO [stderr] 
Dec 05 06:04:04.375 INFO [stderr] warning: unused import: `rcc::clocking::LPTimerClkSource`
Dec 05 06:04:04.375 INFO [stderr]   --> src/timer.rs:10:5
Dec 05 06:04:04.376 INFO [stderr]    |
Dec 05 06:04:04.376 INFO [stderr] 10 | use rcc::clocking::LPTimerClkSource;
Dec 05 06:04:04.376 INFO [stderr]    |     ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
Dec 05 06:04:04.376 INFO [stderr]    |
Dec 05 06:04:04.377 INFO [stderr]    = note: #[warn(unused_imports)] on by default
Dec 05 06:04:04.377 INFO [stderr] 
Dec 05 06:04:05.947 INFO [stderr] warning: unused import: `Read`
Dec 05 06:04:05.947 INFO [stderr]   --> src/flash.rs:12:19
Dec 05 06:04:05.947 INFO [stderr]    |
Dec 05 06:04:05.947 INFO [stderr] 12 | use fhal::flash::{Read, WriteErase, Locking};
Dec 05 06:04:05.947 INFO [stderr]    |                   ^^^^
Dec 05 06:04:05.947 INFO [stderr] 
Dec 05 06:04:06.559 INFO [stderr] warning: unused import: `Read`
Dec 05 06:04:06.559 INFO [stderr]   --> src/flash.rs:12:19
Dec 05 06:04:06.559 INFO [stderr]    |
Dec 05 06:04:06.559 INFO [stderr] 12 | use fhal::flash::{Read, WriteErase, Locking};
Dec 05 06:04:06.559 INFO [stderr]    |                   ^^^^
Dec 05 06:04:06.559 INFO [stderr] 
Dec 05 06:04:07.368 INFO [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 34.05s
Dec 05 06:04:07.375 INFO [stderr] su: No module specific data is present
Dec 05 06:04:09.023 INFO running `"docker" "inspect" "5ecc852009e6053b93fa31cd309041354dd28492754ec525511b1d7ebc2f9bc8"`
Dec 05 06:04:09.375 INFO running `"docker" "rm" "-f" "5ecc852009e6053b93fa31cd309041354dd28492754ec525511b1d7ebc2f9bc8"`
Dec 05 06:04:09.675 INFO [stdout] 5ecc852009e6053b93fa31cd309041354dd28492754ec525511b1d7ebc2f9bc8