Dec 14 03:04:07.709 INFO testing amazingmo/ownership against master#bd47d6825bf4090517549d33cfef10d3300b4a75 for pr-56550
Dec 14 03:04:07.710 INFO running `"docker" "create" "-v" "/mnt/big/crater/work/local/target-dirs/pr-56550/worker-6/master#bd47d6825bf4090517549d33cfef10d3300b4a75:/target:rw,Z" "-v" "/mnt/big/crater/work/local/test-source/worker-6/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 03:04:08.001 INFO [stdout] b02bac3a674efe1b81e9cbb02ae025475e8e9543f09ccc345efbc967b25ce195
Dec 14 03:04:08.008 INFO running `"docker" "start" "-a" "b02bac3a674efe1b81e9cbb02ae025475e8e9543f09ccc345efbc967b25ce195"`
Dec 14 03:04:08.607 INFO [stderr] usermod: no changes
Dec 14 03:04:08.651 INFO [stderr]    Compiling ownership v0.1.0 (/source)
Dec 14 03:04:09.027 INFO [stderr] warning: unused import: `std::io::Write`
Dec 14 03:04:09.027 INFO [stderr]  --> src/main.rs:2:5
Dec 14 03:04:09.027 INFO [stderr]   |
Dec 14 03:04:09.027 INFO [stderr] 2 | use std::io::Write;
Dec 14 03:04:09.027 INFO [stderr]   |     ^^^^^^^^^^^^^^
Dec 14 03:04:09.027 INFO [stderr]   |
Dec 14 03:04:09.027 INFO [stderr]   = note: #[warn(unused_imports)] on by default
Dec 14 03:04:09.027 INFO [stderr] 
Dec 14 03:04:09.075 INFO [stderr] warning: unused variable: `first`
Dec 14 03:04:09.075 INFO [stderr]   --> src/main.rs:41:9
Dec 14 03:04:09.075 INFO [stderr]    |
Dec 14 03:04:09.075 INFO [stderr] 41 |     let first = std::mem::replace( &mut v[0], "replacement".to_string());
Dec 14 03:04:09.075 INFO [stderr]    |         ^^^^^ help: consider using `_first` instead
Dec 14 03:04:09.075 INFO [stderr]    |
Dec 14 03:04:09.075 INFO [stderr]    = note: #[warn(unused_variables)] on by default
Dec 14 03:04:09.075 INFO [stderr] 
Dec 14 03:04:09.660 INFO [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 1.02s
Dec 14 03:04:09.662 INFO [stderr] su: No module specific data is present
Dec 14 03:04:09.964 INFO running `"docker" "inspect" "b02bac3a674efe1b81e9cbb02ae025475e8e9543f09ccc345efbc967b25ce195"`
Dec 14 03:04:10.056 INFO running `"docker" "rm" "-f" "b02bac3a674efe1b81e9cbb02ae025475e8e9543f09ccc345efbc967b25ce195"`
Dec 14 03:04:10.221 INFO [stdout] b02bac3a674efe1b81e9cbb02ae025475e8e9543f09ccc345efbc967b25ce195
Dec 14 03:04:10.222 INFO running `"docker" "create" "-v" "/mnt/big/crater/work/local/target-dirs/pr-56550/worker-6/master#bd47d6825bf4090517549d33cfef10d3300b4a75:/target:rw,Z" "-v" "/mnt/big/crater/work/local/test-source/worker-6/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 03:04:10.423 INFO [stdout] 38fff77c0daafecf59ce731209ebc1e9aa2133de0b874cece41b95e1ee45a95e
Dec 14 03:04:10.425 INFO running `"docker" "start" "-a" "38fff77c0daafecf59ce731209ebc1e9aa2133de0b874cece41b95e1ee45a95e"`
Dec 14 03:04:10.861 INFO [stderr] usermod: no changes
Dec 14 03:04:10.895 INFO [stderr]    Compiling ownership v0.1.0 (/source)
Dec 14 03:04:11.420 INFO [stderr] warning: unused import: `std::io::Write`
Dec 14 03:04:11.420 INFO [stderr]  --> src/main.rs:2:5
Dec 14 03:04:11.420 INFO [stderr]   |
Dec 14 03:04:11.420 INFO [stderr] 2 | use std::io::Write;
Dec 14 03:04:11.420 INFO [stderr]   |     ^^^^^^^^^^^^^^
Dec 14 03:04:11.420 INFO [stderr]   |
Dec 14 03:04:11.420 INFO [stderr]   = note: #[warn(unused_imports)] on by default
Dec 14 03:04:11.420 INFO [stderr] 
Dec 14 03:04:11.471 INFO [stderr] warning: unused variable: `first`
Dec 14 03:04:11.471 INFO [stderr]   --> src/main.rs:41:9
Dec 14 03:04:11.471 INFO [stderr]    |
Dec 14 03:04:11.471 INFO [stderr] 41 |     let first = std::mem::replace( &mut v[0], "replacement".to_string());
Dec 14 03:04:11.471 INFO [stderr]    |         ^^^^^ help: consider using `_first` instead
Dec 14 03:04:11.471 INFO [stderr]    |
Dec 14 03:04:11.471 INFO [stderr]    = note: #[warn(unused_variables)] on by default
Dec 14 03:04:11.471 INFO [stderr] 
Dec 14 03:04:11.775 INFO [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 0.89s
Dec 14 03:04:11.775 INFO [stderr] su: No module specific data is present
Dec 14 03:04:12.295 INFO running `"docker" "inspect" "38fff77c0daafecf59ce731209ebc1e9aa2133de0b874cece41b95e1ee45a95e"`
Dec 14 03:04:12.495 INFO running `"docker" "rm" "-f" "38fff77c0daafecf59ce731209ebc1e9aa2133de0b874cece41b95e1ee45a95e"`
Dec 14 03:04:12.650 INFO [stdout] 38fff77c0daafecf59ce731209ebc1e9aa2133de0b874cece41b95e1ee45a95e
Dec 14 03:04:12.653 INFO running `"docker" "create" "-v" "/mnt/big/crater/work/local/target-dirs/pr-56550/worker-6/master#bd47d6825bf4090517549d33cfef10d3300b4a75:/target:rw,Z" "-v" "/mnt/big/crater/work/local/test-source/worker-6/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 03:04:12.999 INFO [stdout] 06d601a8323d6393f32d10c40fb9370c21d25183f97c7ea6c9a606ca5273b88f
Dec 14 03:04:13.001 INFO running `"docker" "start" "-a" "06d601a8323d6393f32d10c40fb9370c21d25183f97c7ea6c9a606ca5273b88f"`
Dec 14 03:04:13.679 INFO [stderr] usermod: no changes
Dec 14 03:04:13.705 INFO [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 0.01s
Dec 14 03:04:13.709 INFO [stderr]      Running /target/debug/deps/ownership-659d7c4f72c130b7
Dec 14 03:04:13.712 INFO [stdout] 
Dec 14 03:04:13.712 INFO [stdout] running 0 tests
Dec 14 03:04:13.712 INFO [stdout] 
Dec 14 03:04:13.712 INFO [stdout] test result: ok. 0 passed; 0 failed; 0 ignored; 0 measured; 0 filtered out
Dec 14 03:04:13.712 INFO [stdout] 
Dec 14 03:04:13.716 INFO [stderr] su: No module specific data is present
Dec 14 03:04:14.175 INFO running `"docker" "inspect" "06d601a8323d6393f32d10c40fb9370c21d25183f97c7ea6c9a606ca5273b88f"`
Dec 14 03:04:14.307 INFO running `"docker" "rm" "-f" "06d601a8323d6393f32d10c40fb9370c21d25183f97c7ea6c9a606ca5273b88f"`
Dec 14 03:04:14.426 INFO [stdout] 06d601a8323d6393f32d10c40fb9370c21d25183f97c7ea6c9a606ca5273b88f