Dec 18 15:03:22.907 INFO checking idlset-0.1.1 against master#96d1334e567237b1507cd277938e7ae2de75ff51 for pr-54252
Dec 18 15:03:22.908 INFO running `"docker" "create" "-v" "/mnt/big/crater/work/local/target-dirs/pr-54252/worker-0/master#96d1334e567237b1507cd277938e7ae2de75ff51:/opt/crater/target:rw,Z" "-v" "/mnt/big/crater/work/ex/pr-54252/sources/master#96d1334e567237b1507cd277938e7ae2de75ff51/reg/idlset/0.1.1:/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" "+96d1334e567237b1507cd277938e7ae2de75ff51-alt" "check" "--frozen" "--all" "--all-targets"`
Dec 18 15:03:23.062 INFO [stdout] 732f95e70c2a8cdcc2845906687d627bf2868bbca6ff14bdaa6c0da7289178f5
Dec 18 15:03:23.066 INFO running `"docker" "start" "-a" "732f95e70c2a8cdcc2845906687d627bf2868bbca6ff14bdaa6c0da7289178f5"`
Dec 18 15:03:23.739 INFO [stderr] warning: only one of `license` or `license-file` is necessary
Dec 18 15:03:23.748 INFO [stderr]     Checking idlset v0.1.1 (/opt/crater/workdir)
Dec 18 15:03:24.074 INFO [stderr] warning: method is never used: `len`
Dec 18 15:03:24.079 INFO [stderr]    --> src/lib.rs:243:5
Dec 18 15:03:24.079 INFO [stderr]     |
Dec 18 15:03:24.079 INFO [stderr] 243 |     fn len(&self) -> usize {
Dec 18 15:03:24.079 INFO [stderr]     |     ^^^^^^^^^^^^^^^^^^^^^^
Dec 18 15:03:24.079 INFO [stderr]     |
Dec 18 15:03:24.079 INFO [stderr]     = note: #[warn(dead_code)] on by default
Dec 18 15:03:24.079 INFO [stderr] 
Dec 18 15:03:24.562 INFO [stderr] warning: method is never used: `len`
Dec 18 15:03:24.563 INFO [stderr]   --> src/idl_simple.rs:33:5
Dec 18 15:03:24.563 INFO [stderr]    |
Dec 18 15:03:24.563 INFO [stderr] 33 |     fn len(&self) -> usize {
Dec 18 15:03:24.563 INFO [stderr]    |     ^^^^^^^^^^^^^^^^^^^^^^
Dec 18 15:03:24.563 INFO [stderr]    |
Dec 18 15:03:24.563 INFO [stderr]    = note: #[warn(dead_code)] on by default
Dec 18 15:03:24.563 INFO [stderr] 
Dec 18 15:03:24.639 INFO [stderr] warning: method is never used: `len`
Dec 18 15:03:24.639 INFO [stderr]   --> src/idl_simple.rs:33:5
Dec 18 15:03:24.639 INFO [stderr]    |
Dec 18 15:03:24.639 INFO [stderr] 33 |     fn len(&self) -> usize {
Dec 18 15:03:24.639 INFO [stderr]    |     ^^^^^^^^^^^^^^^^^^^^^^
Dec 18 15:03:24.639 INFO [stderr]    |
Dec 18 15:03:24.639 INFO [stderr]    = note: #[warn(dead_code)] on by default
Dec 18 15:03:24.639 INFO [stderr] 
Dec 18 15:03:24.664 INFO [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 0.94s
Dec 18 15:03:25.001 INFO running `"docker" "inspect" "732f95e70c2a8cdcc2845906687d627bf2868bbca6ff14bdaa6c0da7289178f5"`
Dec 18 15:03:25.126 INFO running `"docker" "rm" "-f" "732f95e70c2a8cdcc2845906687d627bf2868bbca6ff14bdaa6c0da7289178f5"`
Dec 18 15:03:25.291 INFO [stdout] 732f95e70c2a8cdcc2845906687d627bf2868bbca6ff14bdaa6c0da7289178f5