Dec 18 09:27:24.916 INFO checking wasm-bindgen-backend-0.2.29 against try#0b8c5828f68d7b2840b81fa51239346dc97fef5a for pr-54252
Dec 18 09:27:24.917 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/reg/wasm-bindgen-backend/0.2.29:/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 09:27:25.144 INFO [stdout] b0d681b09872e18f0c9e6a6b5bd8ab614fa728853a57af4cf4505338076c2da4
Dec 18 09:27:25.150 INFO running `"docker" "start" "-a" "b0d681b09872e18f0c9e6a6b5bd8ab614fa728853a57af4cf4505338076c2da4"`
Dec 18 09:27:26.058 INFO [stderr]     Checking wasm-bindgen-shared v0.2.29
Dec 18 09:27:26.072 INFO [stderr]     Checking syn v0.15.23
Dec 18 09:27:30.400 INFO [stderr]     Checking wasm-bindgen-backend v0.2.29 (/opt/crater/workdir)
Dec 18 09:27:34.042 INFO [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 8.03s
Dec 18 09:27:34.482 INFO running `"docker" "inspect" "b0d681b09872e18f0c9e6a6b5bd8ab614fa728853a57af4cf4505338076c2da4"`
Dec 18 09:27:34.770 INFO running `"docker" "rm" "-f" "b0d681b09872e18f0c9e6a6b5bd8ab614fa728853a57af4cf4505338076c2da4"`
Dec 18 09:27:34.893 INFO [stdout] b0d681b09872e18f0c9e6a6b5bd8ab614fa728853a57af4cf4505338076c2da4