Dec 17 19:37:20.246 INFO checking milesrout/ch against try#0b8c5828f68d7b2840b81fa51239346dc97fef5a for pr-54252
Dec 17 19:37:20.246 INFO running `"docker" "create" "-v" "/mnt/big/crater/work/local/target-dirs/pr-54252/worker-2/try#0b8c5828f68d7b2840b81fa51239346dc97fef5a:/opt/crater/target:rw,Z" "-v" "/mnt/big/crater/work/ex/pr-54252/sources/try#0b8c5828f68d7b2840b81fa51239346dc97fef5a/gh/milesrout/ch:/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" "+0b8c5828f68d7b2840b81fa51239346dc97fef5a-alt" "check" "--frozen" "--all" "--all-targets"`
Dec 17 19:37:20.433 INFO [stdout] f7d4a5be24238965af4efa0adf27aabc6f42adb3f966ee796e1c2bc3fbfe8eb8
Dec 17 19:37:20.434 INFO running `"docker" "start" "-a" "f7d4a5be24238965af4efa0adf27aabc6f42adb3f966ee796e1c2bc3fbfe8eb8"`
Dec 17 19:37:21.020 INFO [stderr]     Checking either v1.0.1
Dec 17 19:37:21.020 INFO [stderr]    Compiling backtrace-sys v0.1.5
Dec 17 19:37:21.020 INFO [stderr]     Checking memchr v0.1.11
Dec 17 19:37:21.024 INFO [stderr]     Checking thread-id v2.0.0
Dec 17 19:37:21.244 INFO [stderr]     Checking itertools v0.5.5
Dec 17 19:37:21.300 INFO [stderr]     Checking thread_local v0.2.7
Dec 17 19:37:21.418 INFO [stderr]     Checking aho-corasick v0.5.3
Dec 17 19:37:22.579 INFO [stderr]     Checking regex v0.1.80
Dec 17 19:37:22.852 INFO [stderr]     Checking backtrace v0.3.0
Dec 17 19:37:25.554 INFO [stderr]     Checking ch v0.1.0 (/opt/crater/workdir)
Dec 17 19:37:26.386 INFO [stderr] warning: method is never used: `parse_expr`
Dec 17 19:37:26.386 INFO [stderr]    --> src/parser.rs:121:5
Dec 17 19:37:26.386 INFO [stderr]     |
Dec 17 19:37:26.386 INFO [stderr] 121 |     pub fn parse_expr(&mut self) -> Result<Expr> {
Dec 17 19:37:26.386 INFO [stderr]     |     ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
Dec 17 19:37:26.386 INFO [stderr]     |
Dec 17 19:37:26.386 INFO [stderr]     = note: #[warn(dead_code)] on by default
Dec 17 19:37:26.386 INFO [stderr] 
Dec 17 19:37:26.460 INFO [stderr] warning: method is never used: `parse_expr`
Dec 17 19:37:26.460 INFO [stderr]    --> src/parser.rs:121:5
Dec 17 19:37:26.460 INFO [stderr]     |
Dec 17 19:37:26.460 INFO [stderr] 121 |     pub fn parse_expr(&mut self) -> Result<Expr> {
Dec 17 19:37:26.460 INFO [stderr]     |     ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
Dec 17 19:37:26.460 INFO [stderr]     |
Dec 17 19:37:26.460 INFO [stderr]     = note: #[warn(dead_code)] on by default
Dec 17 19:37:26.460 INFO [stderr] 
Dec 17 19:37:26.496 INFO [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 5.53s
Dec 17 19:37:27.068 INFO running `"docker" "inspect" "f7d4a5be24238965af4efa0adf27aabc6f42adb3f966ee796e1c2bc3fbfe8eb8"`
Dec 17 19:37:27.268 INFO running `"docker" "rm" "-f" "f7d4a5be24238965af4efa0adf27aabc6f42adb3f966ee796e1c2bc3fbfe8eb8"`
Dec 17 19:37:27.620 INFO [stdout] f7d4a5be24238965af4efa0adf27aabc6f42adb3f966ee796e1c2bc3fbfe8eb8