Dec 18 08:19:30.881 INFO checking BurNiinTRee/stack-calculator against try#0b8c5828f68d7b2840b81fa51239346dc97fef5a for pr-54252
Dec 18 08:19:30.881 INFO running `"docker" "create" "-v" "/mnt/big/crater/work/local/target-dirs/pr-54252/worker-1/try#0b8c5828f68d7b2840b81fa51239346dc97fef5a:/opt/crater/target:rw,Z" "-v" "/mnt/big/crater/work/ex/pr-54252/sources/try#0b8c5828f68d7b2840b81fa51239346dc97fef5a/gh/BurNiinTRee/stack-calculator:/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 18 08:19:31.444 INFO [stdout] 544c5226ed91e86afd58301d0e0ed8bf298dad531c3b53ab6ae95063ae918607
Dec 18 08:19:31.444 INFO running `"docker" "start" "-a" "544c5226ed91e86afd58301d0e0ed8bf298dad531c3b53ab6ae95063ae918607"`
Dec 18 08:19:33.327 INFO [stderr]     Checking nix v0.5.1
Dec 18 08:19:36.544 INFO [stderr]     Checking rustyline v1.0.0
Dec 18 08:19:37.478 INFO [stderr]     Checking stack-calculator v0.1.0 (/opt/crater/workdir)
Dec 18 08:19:40.436 INFO [stderr] warning: unused `#[macro_use]` import
Dec 18 08:19:40.436 INFO [stderr]  --> src/main.rs:4:1
Dec 18 08:19:40.436 INFO [stderr]   |
Dec 18 08:19:40.436 INFO [stderr] 4 | #[macro_use]
Dec 18 08:19:40.436 INFO [stderr]   | ^^^^^^^^^^^^
Dec 18 08:19:40.436 INFO [stderr]   |
Dec 18 08:19:40.436 INFO [stderr]   = note: #[warn(unused_imports)] on by default
Dec 18 08:19:40.436 INFO [stderr] 
Dec 18 08:19:40.460 INFO [stderr] warning: unused `#[macro_use]` import
Dec 18 08:19:40.460 INFO [stderr]  --> src/main.rs:4:1
Dec 18 08:19:40.460 INFO [stderr]   |
Dec 18 08:19:40.460 INFO [stderr] 4 | #[macro_use]
Dec 18 08:19:40.460 INFO [stderr]   | ^^^^^^^^^^^^
Dec 18 08:19:40.460 INFO [stderr]   |
Dec 18 08:19:40.460 INFO [stderr]   = note: #[warn(unused_imports)] on by default
Dec 18 08:19:40.460 INFO [stderr] 
Dec 18 08:19:40.796 INFO [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 7.61s
Dec 18 08:19:41.691 INFO running `"docker" "inspect" "544c5226ed91e86afd58301d0e0ed8bf298dad531c3b53ab6ae95063ae918607"`
Dec 18 08:19:42.004 INFO running `"docker" "rm" "-f" "544c5226ed91e86afd58301d0e0ed8bf298dad531c3b53ab6ae95063ae918607"`
Dec 18 08:19:42.332 INFO [stdout] 544c5226ed91e86afd58301d0e0ed8bf298dad531c3b53ab6ae95063ae918607