Dec 12 15:29:49.484 INFO checking embedded-builder-0.1.1 against try#aa9aa79c3c583aab59ac9134542d60a780c35e2e for pr-56677
Dec 12 15:29:49.484 INFO running `"docker" "create" "-v" "/mnt/big/crater/work/local/target-dirs/pr-56677/worker-4/try#aa9aa79c3c583aab59ac9134542d60a780c35e2e:/target:rw,Z" "-v" "/mnt/big/crater/work/local/test-source/worker-4/pr-56677/try#aa9aa79c3c583aab59ac9134542d60a780c35e2e:/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 +aa9aa79c3c583aab59ac9134542d60a780c35e2e-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 12 15:29:49.706 INFO [stdout] c938674af99f692e9e5d1ae536f740a2c1283214901b6cdf28c793192565fb06
Dec 12 15:29:49.710 INFO running `"docker" "start" "-a" "c938674af99f692e9e5d1ae536f740a2c1283214901b6cdf28c793192565fb06"`
Dec 12 15:29:50.405 INFO [stderr] usermod: no changes
Dec 12 15:29:50.440 INFO [stderr]     Checking embedded-builder v0.1.1 (/source)
Dec 12 15:29:50.528 INFO [stderr] warning: unused macro definition
Dec 12 15:29:50.528 INFO [stderr]   --> src/helpers.rs:20:1
Dec 12 15:29:50.528 INFO [stderr]    |
Dec 12 15:29:50.528 INFO [stderr] 20 | / macro_rules! concat {
Dec 12 15:29:50.528 INFO [stderr] 21 | |     ($a: expr, $b: expr) => { $a$b };
Dec 12 15:29:50.528 INFO [stderr] 22 | | }
Dec 12 15:29:50.528 INFO [stderr]    | |_^
Dec 12 15:29:50.528 INFO [stderr]    |
Dec 12 15:29:50.528 INFO [stderr]    = note: #[warn(unused_macros)] on by default
Dec 12 15:29:50.528 INFO [stderr] 
Dec 12 15:29:50.655 INFO [stderr] warning: the feature `used` has been stable since 1.30.0 and no longer requires an attribute to enable
Dec 12 15:29:50.655 INFO [stderr]  --> src/lib.rs:4:12
Dec 12 15:29:50.655 INFO [stderr]   |
Dec 12 15:29:50.655 INFO [stderr] 4 | #![feature(used)]
Dec 12 15:29:50.656 INFO [stderr]   |            ^^^^
Dec 12 15:29:50.656 INFO [stderr]   |
Dec 12 15:29:50.656 INFO [stderr]   = note: #[warn(stable_features)] on by default
Dec 12 15:29:50.656 INFO [stderr] 
Dec 12 15:29:51.096 INFO [stderr] warning: unused macro definition
Dec 12 15:29:51.096 INFO [stderr]   --> src/helpers.rs:20:1
Dec 12 15:29:51.096 INFO [stderr]    |
Dec 12 15:29:51.096 INFO [stderr] 20 | / macro_rules! concat {
Dec 12 15:29:51.096 INFO [stderr] 21 | |     ($a: expr, $b: expr) => { $a$b };
Dec 12 15:29:51.096 INFO [stderr] 22 | | }
Dec 12 15:29:51.096 INFO [stderr]    | |_^
Dec 12 15:29:51.096 INFO [stderr]    |
Dec 12 15:29:51.096 INFO [stderr]    = note: #[warn(unused_macros)] on by default
Dec 12 15:29:51.096 INFO [stderr] 
Dec 12 15:29:51.281 INFO [stderr] warning: variable does not need to be mutable
Dec 12 15:29:51.281 INFO [stderr]    --> src/register.rs:210:13
Dec 12 15:29:51.281 INFO [stderr]     |
Dec 12 15:29:51.281 INFO [stderr] 210 |         let mut r = Register::<u16>(0, 0xFAF0);
Dec 12 15:29:51.282 INFO [stderr]     |             ----^
Dec 12 15:29:51.282 INFO [stderr]     |             |
Dec 12 15:29:51.282 INFO [stderr]     |             help: remove this `mut`
Dec 12 15:29:51.282 INFO [stderr]     |
Dec 12 15:29:51.283 INFO [stderr]     = note: #[warn(unused_mut)] on by default
Dec 12 15:29:51.283 INFO [stderr] 
Dec 12 15:29:51.286 INFO [stderr] warning: the feature `used` has been stable since 1.30.0 and no longer requires an attribute to enable
Dec 12 15:29:51.287 INFO [stderr]  --> src/lib.rs:4:12
Dec 12 15:29:51.287 INFO [stderr]   |
Dec 12 15:29:51.287 INFO [stderr] 4 | #![feature(used)]
Dec 12 15:29:51.287 INFO [stderr]   |            ^^^^
Dec 12 15:29:51.288 INFO [stderr]   |
Dec 12 15:29:51.288 INFO [stderr]   = note: #[warn(stable_features)] on by default
Dec 12 15:29:51.288 INFO [stderr] 
Dec 12 15:29:51.334 INFO [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 0.91s
Dec 12 15:29:51.336 INFO [stderr] su: No module specific data is present
Dec 12 15:29:52.164 INFO running `"docker" "inspect" "c938674af99f692e9e5d1ae536f740a2c1283214901b6cdf28c793192565fb06"`
Dec 12 15:29:52.420 INFO running `"docker" "rm" "-f" "c938674af99f692e9e5d1ae536f740a2c1283214901b6cdf28c793192565fb06"`
Dec 12 15:29:52.693 INFO [stdout] c938674af99f692e9e5d1ae536f740a2c1283214901b6cdf28c793192565fb06