Dec 14 14:47:47.263 INFO testing veb-rs-0.1.1 against master#bd47d6825bf4090517549d33cfef10d3300b4a75 for pr-56550
Dec 14 14:47:47.263 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 14 14:47:47.662 INFO [stdout] 7747c63b2a07176541e556cc9fb1ea826d1c3ecf77dd4347f7979facc31f3cac
Dec 14 14:47:47.664 INFO running `"docker" "start" "-a" "7747c63b2a07176541e556cc9fb1ea826d1c3ecf77dd4347f7979facc31f3cac"`
Dec 14 14:47:48.955 INFO [stderr] usermod: no changes
Dec 14 14:47:49.024 INFO [stderr]    Compiling veb-rs v0.1.1 (/source)
Dec 14 14:47:49.645 INFO [stderr] warning: variable does not need to be mutable
Dec 14 14:47:49.645 INFO [stderr]    --> src/lib.rs:254:21
Dec 14 14:47:49.645 INFO [stderr]     |
Dec 14 14:47:49.645 INFO [stderr] 254 |                 let mut subtree = &mut self.children[idx as usize];
Dec 14 14:47:49.645 INFO [stderr]     |                     ----^^^^^^^
Dec 14 14:47:49.645 INFO [stderr]     |                     |
Dec 14 14:47:49.645 INFO [stderr]     |                     help: remove this `mut`
Dec 14 14:47:49.645 INFO [stderr]     |
Dec 14 14:47:49.645 INFO [stderr]     = note: #[warn(unused_mut)] on by default
Dec 14 14:47:49.645 INFO [stderr] 
Dec 14 14:47:50.005 INFO [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 1.02s
Dec 14 14:47:50.011 INFO [stderr] su: No module specific data is present
Dec 14 14:47:50.814 INFO running `"docker" "inspect" "7747c63b2a07176541e556cc9fb1ea826d1c3ecf77dd4347f7979facc31f3cac"`
Dec 14 14:47:51.047 INFO running `"docker" "rm" "-f" "7747c63b2a07176541e556cc9fb1ea826d1c3ecf77dd4347f7979facc31f3cac"`
Dec 14 14:47:51.347 INFO [stdout] 7747c63b2a07176541e556cc9fb1ea826d1c3ecf77dd4347f7979facc31f3cac
Dec 14 14:47:51.347 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 14 14:47:51.862 INFO [stdout] 854fcf43e4797450315175a579e8897f5b14d73a15b7fbaa1880105752de9d08
Dec 14 14:47:51.864 INFO running `"docker" "start" "-a" "854fcf43e4797450315175a579e8897f5b14d73a15b7fbaa1880105752de9d08"`
Dec 14 14:47:53.367 INFO [stderr] usermod: no changes
Dec 14 14:47:53.430 INFO [stderr]    Compiling veb-rs v0.1.1 (/source)
Dec 14 14:47:54.098 INFO [stderr] warning: variable does not need to be mutable
Dec 14 14:47:54.102 INFO [stderr]    --> src/lib.rs:254:21
Dec 14 14:47:54.103 INFO [stderr]     |
Dec 14 14:47:54.103 INFO [stderr] 254 |                 let mut subtree = &mut self.children[idx as usize];
Dec 14 14:47:54.103 INFO [stderr]     |                     ----^^^^^^^
Dec 14 14:47:54.103 INFO [stderr]     |                     |
Dec 14 14:47:54.103 INFO [stderr]     |                     help: remove this `mut`
Dec 14 14:47:54.103 INFO [stderr]     |
Dec 14 14:47:54.103 INFO [stderr]     = note: #[warn(unused_mut)] on by default
Dec 14 14:47:54.103 INFO [stderr] 
Dec 14 14:47:54.730 INFO [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 1.33s
Dec 14 14:47:54.730 INFO [stderr] su: No module specific data is present
Dec 14 14:47:55.179 INFO running `"docker" "inspect" "854fcf43e4797450315175a579e8897f5b14d73a15b7fbaa1880105752de9d08"`
Dec 14 14:47:55.381 INFO running `"docker" "rm" "-f" "854fcf43e4797450315175a579e8897f5b14d73a15b7fbaa1880105752de9d08"`
Dec 14 14:47:55.627 INFO [stdout] 854fcf43e4797450315175a579e8897f5b14d73a15b7fbaa1880105752de9d08
Dec 14 14:47:55.635 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 14 14:47:56.155 INFO [stdout] e2f20707b9b5cc6890d59cc938516c61bc7adddf220aa4a06bc4d9c56c60b69c
Dec 14 14:47:56.157 INFO running `"docker" "start" "-a" "e2f20707b9b5cc6890d59cc938516c61bc7adddf220aa4a06bc4d9c56c60b69c"`
Dec 14 14:47:57.133 INFO [stderr] usermod: no changes
Dec 14 14:47:57.211 INFO [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 0.06s
Dec 14 14:47:57.211 INFO [stderr]      Running /target/debug/deps/veb_rs-ff61eabd46e83e6e
Dec 14 14:47:57.212 INFO [stdout] 
Dec 14 14:47:57.212 INFO [stdout] running 6 tests
Dec 14 14:47:57.212 INFO [stdout] test is_empty ... ok
Dec 14 14:47:57.212 INFO [stdout] test insertion_and_has ... ok
Dec 14 14:47:57.212 INFO [stdout] test find_next ... ok
Dec 14 14:47:57.212 INFO [stdout] test delete ... ok
Dec 14 14:47:57.213 INFO [stdout] test creation_fail ... ok
Dec 14 14:47:57.213 INFO [stdout] test creation ... ok
Dec 14 14:47:57.213 INFO [stdout] 
Dec 14 14:47:57.213 INFO [stdout] test result: ok. 6 passed; 0 failed; 0 ignored; 0 measured; 0 filtered out
Dec 14 14:47:57.213 INFO [stdout] 
Dec 14 14:47:57.215 INFO [stderr]    Doc-tests veb-rs
Dec 14 14:47:58.110 INFO [stderr] su: No module specific data is present
Dec 14 14:47:58.110 INFO [stdout] 
Dec 14 14:47:58.110 INFO [stdout] running 0 tests
Dec 14 14:47:58.110 INFO [stdout] 
Dec 14 14:47:58.110 INFO [stdout] test result: ok. 0 passed; 0 failed; 0 ignored; 0 measured; 0 filtered out
Dec 14 14:47:58.110 INFO [stdout] 
Dec 14 14:47:58.591 INFO running `"docker" "inspect" "e2f20707b9b5cc6890d59cc938516c61bc7adddf220aa4a06bc4d9c56c60b69c"`
Dec 14 14:47:58.899 INFO running `"docker" "rm" "-f" "e2f20707b9b5cc6890d59cc938516c61bc7adddf220aa4a06bc4d9c56c60b69c"`
Dec 14 14:47:59.243 INFO [stdout] e2f20707b9b5cc6890d59cc938516c61bc7adddf220aa4a06bc4d9c56c60b69c