Dec 18 03:44:52.849 INFO checking asukiaaa/rust_matrix_calc_practice against try#0b8c5828f68d7b2840b81fa51239346dc97fef5a for pr-54252
Dec 18 03:44:52.849 INFO running `"docker" "create" "-v" "/mnt/big/crater/work/local/target-dirs/pr-54252/worker-4/try#0b8c5828f68d7b2840b81fa51239346dc97fef5a:/opt/crater/target:rw,Z" "-v" "/mnt/big/crater/work/ex/pr-54252/sources/try#0b8c5828f68d7b2840b81fa51239346dc97fef5a/gh/asukiaaa/rust_matrix_calc_practice:/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 03:44:53.375 INFO [stdout] 37190ac7247dbf46b1b0141eb631fc717e84556adf32fcb436d4bce43cec40b4
Dec 18 03:44:53.377 INFO running `"docker" "start" "-a" "37190ac7247dbf46b1b0141eb631fc717e84556adf32fcb436d4bce43cec40b4"`
Dec 18 03:44:54.332 INFO [stderr]    Compiling ndarray v0.10.13
Dec 18 03:44:54.333 INFO [stderr]     Checking itertools v0.7.4
Dec 18 03:45:02.378 INFO [stderr]     Checking rust_matrix_calc_practice v0.1.0 (/opt/crater/workdir)
Dec 18 03:45:03.088 INFO [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 8.80s
Dec 18 03:45:04.408 INFO running `"docker" "inspect" "37190ac7247dbf46b1b0141eb631fc717e84556adf32fcb436d4bce43cec40b4"`
Dec 18 03:45:04.708 INFO running `"docker" "rm" "-f" "37190ac7247dbf46b1b0141eb631fc717e84556adf32fcb436d4bce43cec40b4"`
Dec 18 03:45:05.048 INFO [stdout] 37190ac7247dbf46b1b0141eb631fc717e84556adf32fcb436d4bce43cec40b4