Dec 15 05:07:19.820 INFO testing maze-0.1.2 against master#bd47d6825bf4090517549d33cfef10d3300b4a75 for pr-56550
Dec 15 05:07:19.820 INFO running `"docker" "create" "-v" "/mnt/big/crater/work/local/target-dirs/pr-56550/worker-0/master#bd47d6825bf4090517549d33cfef10d3300b4a75:/target:rw,Z" "-v" "/mnt/big/crater/work/local/test-source/worker-0/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 15 05:07:20.063 INFO [stdout] cf68572d19f34b8717461b10b6491ae7b85b8ac9100886e0a04f0f273ab87dfc
Dec 15 05:07:20.067 INFO running `"docker" "start" "-a" "cf68572d19f34b8717461b10b6491ae7b85b8ac9100886e0a04f0f273ab87dfc"`
Dec 15 05:07:20.762 INFO [stderr] usermod: no changes
Dec 15 05:07:21.086 INFO [stderr]    Compiling css-color-parser v0.1.2
Dec 15 05:07:21.086 INFO [stderr]    Compiling syn v0.10.8
Dec 15 05:07:21.096 INFO [stderr]    Compiling png v0.5.2
Dec 15 05:07:21.096 INFO [stderr]    Compiling hyper v0.9.12
Dec 15 05:07:21.102 INFO [stderr]    Compiling nalgebra v0.5.1
Dec 15 05:07:25.223 INFO [stderr]    Compiling image v0.10.4
Dec 15 05:07:29.195 INFO [stderr]    Compiling serde_codegen_internals v0.11.3
Dec 15 05:07:32.089 INFO [stderr]    Compiling serde_codegen v0.8.23
Dec 15 05:07:36.903 INFO [stderr]    Compiling iron v0.4.0
Dec 15 05:07:39.991 INFO [stderr]    Compiling serde_derive v0.8.23
Dec 15 05:07:46.257 INFO [stderr]    Compiling persistent v0.2.1
Dec 15 05:07:46.257 INFO [stderr]    Compiling router v0.4.0
Dec 15 05:07:48.431 INFO [stderr]    Compiling imageproc v0.6.1
Dec 15 05:07:50.666 INFO [stderr]    Compiling bodyparser v0.4.1
Dec 15 05:07:55.485 INFO [stderr]    Compiling urlencoded v0.4.1
Dec 15 05:07:58.897 INFO [stderr]    Compiling maze v0.1.2 (/source)
Dec 15 05:08:05.270 INFO [stderr] warning: variable does not need to be mutable
Dec 15 05:08:05.270 INFO [stderr]    --> src/types/grid.rs:191:13
Dec 15 05:08:05.270 INFO [stderr]     |
Dec 15 05:08:05.270 INFO [stderr] 191 |         let mut grid = self;
Dec 15 05:08:05.270 INFO [stderr]     |             ----^^^^
Dec 15 05:08:05.270 INFO [stderr]     |             |
Dec 15 05:08:05.270 INFO [stderr]     |             help: remove this `mut`
Dec 15 05:08:05.270 INFO [stderr]     |
Dec 15 05:08:05.270 INFO [stderr]     = note: #[warn(unused_mut)] on by default
Dec 15 05:08:05.270 INFO [stderr] 
Dec 15 05:08:05.281 INFO [stderr] warning: the feature `proc_macro` has been stable since 1.29.0 and no longer requires an attribute to enable
Dec 15 05:08:05.281 INFO [stderr]  --> src/lib.rs:2:12
Dec 15 05:08:05.281 INFO [stderr]   |
Dec 15 05:08:05.281 INFO [stderr] 2 | #![feature(proc_macro)]
Dec 15 05:08:05.281 INFO [stderr]   |            ^^^^^^^^^^
Dec 15 05:08:05.281 INFO [stderr]   |
Dec 15 05:08:05.281 INFO [stderr]   = note: #[warn(stable_features)] on by default
Dec 15 05:08:05.281 INFO [stderr] 
Dec 15 05:08:20.847 INFO [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 1m 00s
Dec 15 05:08:20.873 INFO [stderr] su: No module specific data is present
Dec 15 05:08:21.951 INFO running `"docker" "inspect" "cf68572d19f34b8717461b10b6491ae7b85b8ac9100886e0a04f0f273ab87dfc"`
Dec 15 05:08:22.325 INFO running `"docker" "rm" "-f" "cf68572d19f34b8717461b10b6491ae7b85b8ac9100886e0a04f0f273ab87dfc"`
Dec 15 05:08:22.579 INFO [stdout] cf68572d19f34b8717461b10b6491ae7b85b8ac9100886e0a04f0f273ab87dfc
Dec 15 05:08:22.587 INFO running `"docker" "create" "-v" "/mnt/big/crater/work/local/target-dirs/pr-56550/worker-0/master#bd47d6825bf4090517549d33cfef10d3300b4a75:/target:rw,Z" "-v" "/mnt/big/crater/work/local/test-source/worker-0/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 15 05:08:23.016 INFO [stdout] 86312638353ea364c3e7e33375ef568d7f42934ec8c7dfbac7b1ce76da6cf7f0
Dec 15 05:08:23.021 INFO running `"docker" "start" "-a" "86312638353ea364c3e7e33375ef568d7f42934ec8c7dfbac7b1ce76da6cf7f0"`
Dec 15 05:08:24.337 INFO [stderr] usermod: no changes
Dec 15 05:08:24.553 INFO [stderr]    Compiling maze v0.1.2 (/source)
Dec 15 05:08:32.947 INFO [stderr] warning: variable does not need to be mutable
Dec 15 05:08:32.947 INFO [stderr]    --> src/types/grid.rs:191:13
Dec 15 05:08:32.947 INFO [stderr]     |
Dec 15 05:08:32.947 INFO [stderr] 191 |         let mut grid = self;
Dec 15 05:08:32.955 INFO [stderr]     |             ----^^^^
Dec 15 05:08:32.955 INFO [stderr]     |             |
Dec 15 05:08:32.955 INFO [stderr]     |             help: remove this `mut`
Dec 15 05:08:32.955 INFO [stderr]     |
Dec 15 05:08:32.955 INFO [stderr]     = note: #[warn(unused_mut)] on by default
Dec 15 05:08:32.955 INFO [stderr] 
Dec 15 05:08:32.955 INFO [stderr] warning: the feature `proc_macro` has been stable since 1.29.0 and no longer requires an attribute to enable
Dec 15 05:08:32.955 INFO [stderr]  --> src/lib.rs:2:12
Dec 15 05:08:32.955 INFO [stderr]   |
Dec 15 05:08:32.955 INFO [stderr] 2 | #![feature(proc_macro)]
Dec 15 05:08:32.955 INFO [stderr]   |            ^^^^^^^^^^
Dec 15 05:08:32.955 INFO [stderr]   |
Dec 15 05:08:32.955 INFO [stderr]   = note: #[warn(stable_features)] on by default
Dec 15 05:08:32.955 INFO [stderr] 
Dec 15 05:08:36.452 INFO [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 12.09s
Dec 15 05:08:36.467 INFO [stderr] su: No module specific data is present
Dec 15 05:08:36.891 INFO running `"docker" "inspect" "86312638353ea364c3e7e33375ef568d7f42934ec8c7dfbac7b1ce76da6cf7f0"`
Dec 15 05:08:36.980 INFO running `"docker" "rm" "-f" "86312638353ea364c3e7e33375ef568d7f42934ec8c7dfbac7b1ce76da6cf7f0"`
Dec 15 05:08:37.066 INFO [stdout] 86312638353ea364c3e7e33375ef568d7f42934ec8c7dfbac7b1ce76da6cf7f0
Dec 15 05:08:37.068 INFO running `"docker" "create" "-v" "/mnt/big/crater/work/local/target-dirs/pr-56550/worker-0/master#bd47d6825bf4090517549d33cfef10d3300b4a75:/target:rw,Z" "-v" "/mnt/big/crater/work/local/test-source/worker-0/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 15 05:08:37.265 INFO [stdout] 535f6cc2d5cb2cd7fa703dadd3a7b1fc5869da911ff2ab14307fd490a0258c33
Dec 15 05:08:37.267 INFO running `"docker" "start" "-a" "535f6cc2d5cb2cd7fa703dadd3a7b1fc5869da911ff2ab14307fd490a0258c33"`
Dec 15 05:08:38.767 INFO [stderr] usermod: no changes
Dec 15 05:08:39.077 INFO [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 0.28s
Dec 15 05:08:39.085 INFO [stderr]      Running /target/debug/deps/maze-9eed90186e536351
Dec 15 05:08:39.101 INFO [stdout] 
Dec 15 05:08:39.101 INFO [stdout] running 6 tests
Dec 15 05:08:39.111 INFO [stdout] test generator::binary::tests::bench_generate_10x10 ... ok
Dec 15 05:08:39.131 INFO [stdout] test generator::sidewinder::tests::bench_generate_10x10 ... ok
Dec 15 05:08:39.163 INFO [stdout] test generator::aldous_broder::tests::bench_generate_10x10 ... ok
Dec 15 05:08:39.611 INFO [stdout] test generator::sidewinder::tests::bench_generate_100x100 ... ok
Dec 15 05:08:39.631 INFO [stdout] test generator::binary::tests::bench_generate_100x100 ... ok
Dec 15 05:08:41.140 INFO [stdout] test generator::aldous_broder::tests::bench_generate_100x100 ... ok
Dec 15 05:08:41.140 INFO [stdout] 
Dec 15 05:08:41.140 INFO [stdout] test result: ok. 6 passed; 0 failed; 0 ignored; 0 measured; 0 filtered out
Dec 15 05:08:41.140 INFO [stdout] 
Dec 15 05:08:41.141 INFO [stderr]      Running /target/debug/deps/maze-97cdef92c9b455c4
Dec 15 05:08:41.144 INFO [stdout] 
Dec 15 05:08:41.144 INFO [stdout] running 0 tests
Dec 15 05:08:41.145 INFO [stdout] 
Dec 15 05:08:41.145 INFO [stdout] test result: ok. 0 passed; 0 failed; 0 ignored; 0 measured; 0 filtered out
Dec 15 05:08:41.145 INFO [stdout] 
Dec 15 05:08:41.146 INFO [stderr]    Doc-tests maze
Dec 15 05:08:53.291 INFO [stdout] 
Dec 15 05:08:53.291 INFO [stdout] running 0 tests
Dec 15 05:08:53.291 INFO [stdout] 
Dec 15 05:08:53.291 INFO [stdout] test result: ok. 0 passed; 0 failed; 0 ignored; 0 measured; 0 filtered out
Dec 15 05:08:53.291 INFO [stdout] 
Dec 15 05:08:53.299 INFO [stderr] su: No module specific data is present
Dec 15 05:08:54.084 INFO running `"docker" "inspect" "535f6cc2d5cb2cd7fa703dadd3a7b1fc5869da911ff2ab14307fd490a0258c33"`
Dec 15 05:08:54.371 INFO running `"docker" "rm" "-f" "535f6cc2d5cb2cd7fa703dadd3a7b1fc5869da911ff2ab14307fd490a0258c33"`
Dec 15 05:08:54.703 INFO [stdout] 535f6cc2d5cb2cd7fa703dadd3a7b1fc5869da911ff2ab14307fd490a0258c33