Dec 19 18:12:11.751 INFO checking ddohler/rust-feature-gen against master#d99a320cba42f661aebfa1293b7b2ec3603dda75 for pr-56955
Dec 19 18:12:11.751 INFO running `"docker" "create" "-v" "/mnt/big/crater/work/local/target-dirs/pr-56955/worker-2/master#d99a320cba42f661aebfa1293b7b2ec3603dda75:/opt/crater/target:rw,Z" "-v" "/mnt/big/crater/work/ex/pr-56955/sources/master#d99a320cba42f661aebfa1293b7b2ec3603dda75/gh/ddohler/rust-feature-gen:/opt/crater/workdir:ro,Z" "-v" "/mnt/big/crater/work/local/cargo-home:/opt/crater/cargo-home:ro,Z" "-v" "/mnt/big/crater/work/local/rustup-home:/opt/crater/rustup-home:ro,Z" "-e" "USER_ID=1000" "-e" "SOURCE_DIR=/opt/crater/workdir" "-e" "MAP_USER_ID=1000" "-e" "CARGO_TARGET_DIR=/opt/crater/target" "-e" "CARGO_INCREMENTAL=0" "-e" "RUST_BACKTRACE=full" "-e" "RUSTFLAGS=--cap-lints=forbid" "-e" "CARGO_HOME=/opt/crater/cargo-home" "-e" "RUSTUP_HOME=/opt/crater/rustup-home" "-w" "/opt/crater/workdir" "-m" "1536M" "--network" "none" "rustops/crates-build-env" "/opt/crater/cargo-home/bin/cargo" "+d99a320cba42f661aebfa1293b7b2ec3603dda75-alt" "check" "--frozen" "--all" "--all-targets"`
Dec 19 18:12:12.246 INFO [stdout] 6123d0d230154472fb06326e06e9e797c30a23f5bfa569d5c79f691a0887839e
Dec 19 18:12:12.248 INFO running `"docker" "start" "-a" "6123d0d230154472fb06326e06e9e797c30a23f5bfa569d5c79f691a0887839e"`
Dec 19 18:12:13.948 INFO [stderr]     Checking chrono v0.3.0
Dec 19 18:12:15.944 INFO [stderr]     Checking rust-criml-features v0.1.0 (/opt/crater/workdir)
Dec 19 18:12:16.408 INFO [stderr] warning: unused variable: `value`
Dec 19 18:12:16.408 INFO [stderr]    --> src/feature.rs:137:17
Dec 19 18:12:16.408 INFO [stderr]     |
Dec 19 18:12:16.408 INFO [stderr] 137 |             let value = match self.feature_map.get(&cell) {
Dec 19 18:12:16.408 INFO [stderr]     |                 ^^^^^ help: consider using `_value` instead
Dec 19 18:12:16.408 INFO [stderr]     |
Dec 19 18:12:16.408 INFO [stderr]     = note: #[warn(unused_variables)] on by default
Dec 19 18:12:16.408 INFO [stderr] 
Dec 19 18:12:16.480 INFO [stderr] warning: constant item is never used: `SPAN_3_DAYS_HRS`
Dec 19 18:12:16.480 INFO [stderr]   --> src/main.rs:13:1
Dec 19 18:12:16.480 INFO [stderr]    |
Dec 19 18:12:16.480 INFO [stderr] 13 | const SPAN_3_DAYS_HRS: u32 = 3 * 24;
Dec 19 18:12:16.480 INFO [stderr]    | ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
Dec 19 18:12:16.480 INFO [stderr]    |
Dec 19 18:12:16.480 INFO [stderr]    = note: #[warn(dead_code)] on by default
Dec 19 18:12:16.480 INFO [stderr] 
Dec 19 18:12:16.517 INFO [stderr] warning: unused variable: `value`
Dec 19 18:12:16.517 INFO [stderr]    --> src/feature.rs:137:17
Dec 19 18:12:16.517 INFO [stderr]     |
Dec 19 18:12:16.517 INFO [stderr] 137 |             let value = match self.feature_map.get(&cell) {
Dec 19 18:12:16.517 INFO [stderr]     |                 ^^^^^ help: consider using `_value` instead
Dec 19 18:12:16.517 INFO [stderr]     |
Dec 19 18:12:16.517 INFO [stderr]     = note: #[warn(unused_variables)] on by default
Dec 19 18:12:16.517 INFO [stderr] 
Dec 19 18:12:16.561 INFO [stderr] warning: constant item is never used: `SPAN_3_DAYS_HRS`
Dec 19 18:12:16.561 INFO [stderr]   --> src/main.rs:13:1
Dec 19 18:12:16.564 INFO [stderr]    |
Dec 19 18:12:16.564 INFO [stderr] 13 | const SPAN_3_DAYS_HRS: u32 = 3 * 24;
Dec 19 18:12:16.564 INFO [stderr]    | ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
Dec 19 18:12:16.564 INFO [stderr]    |
Dec 19 18:12:16.564 INFO [stderr]    = note: #[warn(dead_code)] on by default
Dec 19 18:12:16.564 INFO [stderr] 
Dec 19 18:12:16.586 INFO [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 2.70s
Dec 19 18:12:17.244 INFO running `"docker" "inspect" "6123d0d230154472fb06326e06e9e797c30a23f5bfa569d5c79f691a0887839e"`
Dec 19 18:12:17.458 INFO running `"docker" "rm" "-f" "6123d0d230154472fb06326e06e9e797c30a23f5bfa569d5c79f691a0887839e"`
Dec 19 18:12:17.713 INFO [stdout] 6123d0d230154472fb06326e06e9e797c30a23f5bfa569d5c79f691a0887839e