Dec 14 02:24:05.012 INFO testing aschampion/test_image_jpeg against master#bd47d6825bf4090517549d33cfef10d3300b4a75 for pr-56550
Dec 14 02:24:05.013 INFO running `"docker" "create" "-v" "/mnt/big/crater/work/local/target-dirs/pr-56550/worker-7/master#bd47d6825bf4090517549d33cfef10d3300b4a75:/target:rw,Z" "-v" "/mnt/big/crater/work/local/test-source/worker-7/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 02:24:05.507 INFO [stdout] b039f17e8800c677df3aa372a96f4b376b624dd4bdaf77f16752d559183020eb
Dec 14 02:24:05.515 INFO running `"docker" "start" "-a" "b039f17e8800c677df3aa372a96f4b376b624dd4bdaf77f16752d559183020eb"`
Dec 14 02:24:06.691 INFO [stderr] usermod: no changes
Dec 14 02:24:06.827 INFO [stderr]    Compiling jpeg-decoder v0.1.14
Dec 14 02:24:11.079 INFO [stderr]    Compiling image v0.18.0
Dec 14 02:24:28.610 INFO [stderr]    Compiling test_image_jpeg v0.1.0 (/source)
Dec 14 02:24:30.227 INFO [stderr] warning: variable does not need to be mutable
Dec 14 02:24:30.227 INFO [stderr]   --> src/main.rs:24:13
Dec 14 02:24:30.228 INFO [stderr]    |
Dec 14 02:24:30.228 INFO [stderr] 24 |         let mut encoder = image::png::PNGEncoder::new(&mut writer);
Dec 14 02:24:30.228 INFO [stderr]    |             ----^^^^^^^
Dec 14 02:24:30.229 INFO [stderr]    |             |
Dec 14 02:24:30.229 INFO [stderr]    |             help: remove this `mut`
Dec 14 02:24:30.229 INFO [stderr]    |
Dec 14 02:24:30.229 INFO [stderr]    = note: #[warn(unused_mut)] on by default
Dec 14 02:24:30.229 INFO [stderr] 
Dec 14 02:24:31.923 INFO [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 25.22s
Dec 14 02:24:31.931 INFO [stderr] su: No module specific data is present
Dec 14 02:24:33.862 INFO running `"docker" "inspect" "b039f17e8800c677df3aa372a96f4b376b624dd4bdaf77f16752d559183020eb"`
Dec 14 02:24:34.147 INFO running `"docker" "rm" "-f" "b039f17e8800c677df3aa372a96f4b376b624dd4bdaf77f16752d559183020eb"`
Dec 14 02:24:34.521 INFO [stdout] b039f17e8800c677df3aa372a96f4b376b624dd4bdaf77f16752d559183020eb
Dec 14 02:24:34.527 INFO running `"docker" "create" "-v" "/mnt/big/crater/work/local/target-dirs/pr-56550/worker-7/master#bd47d6825bf4090517549d33cfef10d3300b4a75:/target:rw,Z" "-v" "/mnt/big/crater/work/local/test-source/worker-7/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 02:24:35.144 INFO [stdout] 244abd82e7456fcdbadcd0f097fdd9f14064d48d5a30b7722bc7bb2317cb41a5
Dec 14 02:24:35.148 INFO running `"docker" "start" "-a" "244abd82e7456fcdbadcd0f097fdd9f14064d48d5a30b7722bc7bb2317cb41a5"`
Dec 14 02:24:36.811 INFO [stderr] usermod: no changes
Dec 14 02:24:36.939 INFO [stderr]    Compiling test_image_jpeg v0.1.0 (/source)
Dec 14 02:24:38.883 INFO [stderr] warning: variable does not need to be mutable
Dec 14 02:24:38.883 INFO [stderr]   --> src/main.rs:24:13
Dec 14 02:24:38.883 INFO [stderr]    |
Dec 14 02:24:38.883 INFO [stderr] 24 |         let mut encoder = image::png::PNGEncoder::new(&mut writer);
Dec 14 02:24:38.883 INFO [stderr]    |             ----^^^^^^^
Dec 14 02:24:38.883 INFO [stderr]    |             |
Dec 14 02:24:38.883 INFO [stderr]    |             help: remove this `mut`
Dec 14 02:24:38.883 INFO [stderr]    |
Dec 14 02:24:38.883 INFO [stderr]    = note: #[warn(unused_mut)] on by default
Dec 14 02:24:38.883 INFO [stderr] 
Dec 14 02:24:39.279 INFO [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 2.45s
Dec 14 02:24:39.280 INFO [stderr] su: No module specific data is present
Dec 14 02:24:40.628 INFO running `"docker" "inspect" "244abd82e7456fcdbadcd0f097fdd9f14064d48d5a30b7722bc7bb2317cb41a5"`
Dec 14 02:24:40.995 INFO running `"docker" "rm" "-f" "244abd82e7456fcdbadcd0f097fdd9f14064d48d5a30b7722bc7bb2317cb41a5"`
Dec 14 02:24:41.367 INFO [stdout] 244abd82e7456fcdbadcd0f097fdd9f14064d48d5a30b7722bc7bb2317cb41a5
Dec 14 02:24:41.375 INFO running `"docker" "create" "-v" "/mnt/big/crater/work/local/target-dirs/pr-56550/worker-7/master#bd47d6825bf4090517549d33cfef10d3300b4a75:/target:rw,Z" "-v" "/mnt/big/crater/work/local/test-source/worker-7/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 02:24:41.941 INFO [stdout] 2448817dca52b49bcd4af76ea05111b05359a16848db1aa78986f439faf8b976
Dec 14 02:24:41.943 INFO running `"docker" "start" "-a" "2448817dca52b49bcd4af76ea05111b05359a16848db1aa78986f439faf8b976"`
Dec 14 02:24:43.711 INFO [stderr] usermod: no changes
Dec 14 02:24:43.835 INFO [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 0.08s
Dec 14 02:24:43.847 INFO [stderr]      Running /target/debug/deps/test_image_jpeg-535e44fbaec8f00f
Dec 14 02:24:43.847 INFO [stdout] 
Dec 14 02:24:43.847 INFO [stdout] running 0 tests
Dec 14 02:24:43.847 INFO [stdout] 
Dec 14 02:24:43.847 INFO [stdout] test result: ok. 0 passed; 0 failed; 0 ignored; 0 measured; 0 filtered out
Dec 14 02:24:43.847 INFO [stdout] 
Dec 14 02:24:43.855 INFO [stderr] su: No module specific data is present
Dec 14 02:24:45.159 INFO running `"docker" "inspect" "2448817dca52b49bcd4af76ea05111b05359a16848db1aa78986f439faf8b976"`
Dec 14 02:24:45.432 INFO running `"docker" "rm" "-f" "2448817dca52b49bcd4af76ea05111b05359a16848db1aa78986f439faf8b976"`
Dec 14 02:24:45.743 INFO [stdout] 2448817dca52b49bcd4af76ea05111b05359a16848db1aa78986f439faf8b976