Dec 14 06:11:26.104 INFO testing SDRust/png-fabuloso against master#bd47d6825bf4090517549d33cfef10d3300b4a75 for pr-56550
Dec 14 06:11:26.104 INFO running `"docker" "create" "-v" "/mnt/big/crater/work/local/target-dirs/pr-56550/worker-4/master#bd47d6825bf4090517549d33cfef10d3300b4a75:/target:rw,Z" "-v" "/mnt/big/crater/work/local/test-source/worker-4/pr-56550/master#bd47d6825bf4090517549d33cfef10d3300b4a75:/source:ro,Z" "-v" "/mnt/big/crater/work/local/cargo-home:/cargo-home:ro,Z" "-v" "/mnt/big/crater/work/local/rustup-home:/rustup-home:ro,Z" "-e" "USER_ID=1000" "-e" "SOURCE_DIR=/source" "-e" "USER_ID=1000" "-e" "CMD=cargo +bd47d6825bf4090517549d33cfef10d3300b4a75-alt build --frozen" "-e" "CARGO_TARGET_DIR=/target" "-e" "CARGO_INCREMENTAL=0" "-e" "RUST_BACKTRACE=full" "-e" "RUSTFLAGS=--cap-lints=forbid" "-e" "CARGO_HOME=/cargo-home" "-e" "RUSTUP_HOME=/rustup-home" "-m" "1536M" "--network" "none" "crater"`
Dec 14 06:11:26.671 INFO [stdout] 1d7f391fa5a58333d0481507a07ae512408fd54b3027b9f1b3c6ca244eaab292
Dec 14 06:11:26.673 INFO running `"docker" "start" "-a" "1d7f391fa5a58333d0481507a07ae512408fd54b3027b9f1b3c6ca244eaab292"`
Dec 14 06:11:28.855 INFO [stderr] usermod: no changes
Dec 14 06:11:29.027 INFO [stderr]    Compiling crc v1.3.0
Dec 14 06:11:30.043 INFO [stderr]    Compiling pngstogram v0.1.0 (/source)
Dec 14 06:11:30.727 INFO [stderr] warning: variable does not need to be mutable
Dec 14 06:11:30.727 INFO [stderr]   --> src/main.rs:86:13
Dec 14 06:11:30.727 INFO [stderr]    |
Dec 14 06:11:30.727 INFO [stderr] 86 |         let mut data_borrow : &mut [u8] = big_data_buf.borrow_mut();
Dec 14 06:11:30.727 INFO [stderr]    |             ----^^^^^^^^^^^
Dec 14 06:11:30.727 INFO [stderr]    |             |
Dec 14 06:11:30.727 INFO [stderr]    |             help: remove this `mut`
Dec 14 06:11:30.727 INFO [stderr]    |
Dec 14 06:11:30.727 INFO [stderr]    = note: #[warn(unused_mut)] on by default
Dec 14 06:11:30.727 INFO [stderr] 
Dec 14 06:11:31.229 INFO [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 2.34s
Dec 14 06:11:31.232 INFO [stderr] su: No module specific data is present
Dec 14 06:11:32.763 INFO running `"docker" "inspect" "1d7f391fa5a58333d0481507a07ae512408fd54b3027b9f1b3c6ca244eaab292"`
Dec 14 06:11:33.087 INFO running `"docker" "rm" "-f" "1d7f391fa5a58333d0481507a07ae512408fd54b3027b9f1b3c6ca244eaab292"`
Dec 14 06:11:33.475 INFO [stdout] 1d7f391fa5a58333d0481507a07ae512408fd54b3027b9f1b3c6ca244eaab292
Dec 14 06:11:33.479 INFO running `"docker" "create" "-v" "/mnt/big/crater/work/local/target-dirs/pr-56550/worker-4/master#bd47d6825bf4090517549d33cfef10d3300b4a75:/target:rw,Z" "-v" "/mnt/big/crater/work/local/test-source/worker-4/pr-56550/master#bd47d6825bf4090517549d33cfef10d3300b4a75:/source:ro,Z" "-v" "/mnt/big/crater/work/local/cargo-home:/cargo-home:ro,Z" "-v" "/mnt/big/crater/work/local/rustup-home:/rustup-home:ro,Z" "-e" "USER_ID=1000" "-e" "SOURCE_DIR=/source" "-e" "USER_ID=1000" "-e" "CMD=cargo +bd47d6825bf4090517549d33cfef10d3300b4a75-alt test --frozen --no-run" "-e" "CARGO_TARGET_DIR=/target" "-e" "CARGO_INCREMENTAL=0" "-e" "RUST_BACKTRACE=full" "-e" "RUSTFLAGS=--cap-lints=forbid" "-e" "CARGO_HOME=/cargo-home" "-e" "RUSTUP_HOME=/rustup-home" "-m" "1536M" "--network" "none" "crater"`
Dec 14 06:11:33.899 INFO [stdout] e1eb7396f3ad28063e7d948e265d0438d047ddad8165418c4dccea51a0987f78
Dec 14 06:11:33.907 INFO running `"docker" "start" "-a" "e1eb7396f3ad28063e7d948e265d0438d047ddad8165418c4dccea51a0987f78"`
Dec 14 06:11:35.834 INFO [stderr] usermod: no changes
Dec 14 06:11:35.907 INFO [stderr]    Compiling pngstogram v0.1.0 (/source)
Dec 14 06:11:36.827 INFO [stderr] warning: variable does not need to be mutable
Dec 14 06:11:36.827 INFO [stderr]   --> src/main.rs:86:13
Dec 14 06:11:36.827 INFO [stderr]    |
Dec 14 06:11:36.827 INFO [stderr] 86 |         let mut data_borrow : &mut [u8] = big_data_buf.borrow_mut();
Dec 14 06:11:36.827 INFO [stderr]    |             ----^^^^^^^^^^^
Dec 14 06:11:36.827 INFO [stderr]    |             |
Dec 14 06:11:36.827 INFO [stderr]    |             help: remove this `mut`
Dec 14 06:11:36.827 INFO [stderr]    |
Dec 14 06:11:36.827 INFO [stderr]    = note: #[warn(unused_mut)] on by default
Dec 14 06:11:36.827 INFO [stderr] 
Dec 14 06:11:37.280 INFO [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 1.42s
Dec 14 06:11:37.283 INFO [stderr] su: No module specific data is present
Dec 14 06:11:38.981 INFO running `"docker" "inspect" "e1eb7396f3ad28063e7d948e265d0438d047ddad8165418c4dccea51a0987f78"`
Dec 14 06:11:39.261 INFO running `"docker" "rm" "-f" "e1eb7396f3ad28063e7d948e265d0438d047ddad8165418c4dccea51a0987f78"`
Dec 14 06:11:39.531 INFO [stdout] e1eb7396f3ad28063e7d948e265d0438d047ddad8165418c4dccea51a0987f78
Dec 14 06:11:39.537 INFO running `"docker" "create" "-v" "/mnt/big/crater/work/local/target-dirs/pr-56550/worker-4/master#bd47d6825bf4090517549d33cfef10d3300b4a75:/target:rw,Z" "-v" "/mnt/big/crater/work/local/test-source/worker-4/pr-56550/master#bd47d6825bf4090517549d33cfef10d3300b4a75:/source:ro,Z" "-v" "/mnt/big/crater/work/local/cargo-home:/cargo-home:ro,Z" "-v" "/mnt/big/crater/work/local/rustup-home:/rustup-home:ro,Z" "-e" "USER_ID=1000" "-e" "SOURCE_DIR=/source" "-e" "USER_ID=1000" "-e" "CMD=cargo +bd47d6825bf4090517549d33cfef10d3300b4a75-alt test --frozen" "-e" "CARGO_TARGET_DIR=/target" "-e" "CARGO_INCREMENTAL=0" "-e" "RUST_BACKTRACE=full" "-e" "RUSTFLAGS=--cap-lints=forbid" "-e" "CARGO_HOME=/cargo-home" "-e" "RUSTUP_HOME=/rustup-home" "-m" "1536M" "--network" "none" "crater"`
Dec 14 06:11:40.091 INFO [stdout] c75980ab7c64c693720327219a0eeef899d757db851add23280bf3d13528c68e
Dec 14 06:11:40.099 INFO running `"docker" "start" "-a" "c75980ab7c64c693720327219a0eeef899d757db851add23280bf3d13528c68e"`
Dec 14 06:11:41.695 INFO [stderr] usermod: no changes
Dec 14 06:11:41.819 INFO [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 0.07s
Dec 14 06:11:41.820 INFO [stderr]      Running /target/debug/deps/pngstogram-b9c99a3e0d64d88e
Dec 14 06:11:41.829 INFO [stdout] 
Dec 14 06:11:41.829 INFO [stdout] running 0 tests
Dec 14 06:11:41.829 INFO [stdout] 
Dec 14 06:11:41.829 INFO [stdout] test result: ok. 0 passed; 0 failed; 0 ignored; 0 measured; 0 filtered out
Dec 14 06:11:41.829 INFO [stdout] 
Dec 14 06:11:41.831 INFO [stderr] su: No module specific data is present
Dec 14 06:11:43.285 INFO running `"docker" "inspect" "c75980ab7c64c693720327219a0eeef899d757db851add23280bf3d13528c68e"`
Dec 14 06:11:43.639 INFO running `"docker" "rm" "-f" "c75980ab7c64c693720327219a0eeef899d757db851add23280bf3d13528c68e"`
Dec 14 06:11:43.971 INFO [stdout] c75980ab7c64c693720327219a0eeef899d757db851add23280bf3d13528c68e