Dec 06 16:13:43.464 INFO testing 3541/shell against master#906deae0790bd18681b937fe9a141a3c26cf1855 for pr-56514
Dec 06 16:13:43.465 INFO running `"docker" "create" "-v" "/mnt/big/crater/work/local/target-dirs/pr-56514/worker-4/master#906deae0790bd18681b937fe9a141a3c26cf1855:/target:rw,Z" "-v" "/mnt/big/crater/work/local/test-source/worker-4/pr-56514/master#906deae0790bd18681b937fe9a141a3c26cf1855:/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 +906deae0790bd18681b937fe9a141a3c26cf1855-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 06 16:13:43.863 INFO [stdout] 795f9f76dd2eb4f92496733e8897eed584825dfe931cf9d6c989ff74bdd7a967
Dec 06 16:13:43.865 INFO running `"docker" "start" "-a" "795f9f76dd2eb4f92496733e8897eed584825dfe931cf9d6c989ff74bdd7a967"`
Dec 06 16:13:46.508 INFO [stderr] usermod: no changes
Dec 06 16:13:46.660 INFO [stderr]    Compiling nix v0.7.0
Dec 06 16:13:51.463 INFO [stderr]    Compiling shell v0.1.0 (/source)
Dec 06 16:13:52.268 INFO [stderr] warning: value assigned to `c_line` is never read
Dec 06 16:13:52.268 INFO [stderr]   --> src/main.rs:31:13
Dec 06 16:13:52.268 INFO [stderr]    |
Dec 06 16:13:52.268 INFO [stderr] 31 |     let mut c_line = String::new();
Dec 06 16:13:52.268 INFO [stderr]    |             ^^^^^^
Dec 06 16:13:52.268 INFO [stderr]    |
Dec 06 16:13:52.268 INFO [stderr]    = note: #[warn(unused_assignments)] on by default
Dec 06 16:13:52.268 INFO [stderr] 
Dec 06 16:13:53.484 INFO [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 6.92s
Dec 06 16:13:53.513 INFO [stderr] su: No module specific data is present
Dec 06 16:13:55.149 INFO running `"docker" "inspect" "795f9f76dd2eb4f92496733e8897eed584825dfe931cf9d6c989ff74bdd7a967"`
Dec 06 16:13:55.484 INFO running `"docker" "rm" "-f" "795f9f76dd2eb4f92496733e8897eed584825dfe931cf9d6c989ff74bdd7a967"`
Dec 06 16:13:55.932 INFO [stdout] 795f9f76dd2eb4f92496733e8897eed584825dfe931cf9d6c989ff74bdd7a967
Dec 06 16:13:55.938 INFO running `"docker" "create" "-v" "/mnt/big/crater/work/local/target-dirs/pr-56514/worker-4/master#906deae0790bd18681b937fe9a141a3c26cf1855:/target:rw,Z" "-v" "/mnt/big/crater/work/local/test-source/worker-4/pr-56514/master#906deae0790bd18681b937fe9a141a3c26cf1855:/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 +906deae0790bd18681b937fe9a141a3c26cf1855-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 06 16:13:56.425 INFO [stdout] 2641d1fb2c90f763ff827620b11b38b8c155aef45e6153d223c61000ecf8e4aa
Dec 06 16:13:56.427 INFO running `"docker" "start" "-a" "2641d1fb2c90f763ff827620b11b38b8c155aef45e6153d223c61000ecf8e4aa"`
Dec 06 16:13:58.371 INFO [stderr] usermod: no changes
Dec 06 16:13:58.456 INFO [stderr]    Compiling shell v0.1.0 (/source)
Dec 06 16:13:59.476 INFO [stderr] warning: value assigned to `c_line` is never read
Dec 06 16:13:59.476 INFO [stderr]   --> src/main.rs:31:13
Dec 06 16:13:59.476 INFO [stderr]    |
Dec 06 16:13:59.476 INFO [stderr] 31 |     let mut c_line = String::new();
Dec 06 16:13:59.476 INFO [stderr]    |             ^^^^^^
Dec 06 16:13:59.476 INFO [stderr]    |
Dec 06 16:13:59.476 INFO [stderr]    = note: #[warn(unused_assignments)] on by default
Dec 06 16:13:59.476 INFO [stderr] 
Dec 06 16:14:00.165 INFO [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 1.76s
Dec 06 16:14:00.169 INFO [stderr] su: No module specific data is present
Dec 06 16:14:01.338 INFO running `"docker" "inspect" "2641d1fb2c90f763ff827620b11b38b8c155aef45e6153d223c61000ecf8e4aa"`
Dec 06 16:14:01.648 INFO running `"docker" "rm" "-f" "2641d1fb2c90f763ff827620b11b38b8c155aef45e6153d223c61000ecf8e4aa"`
Dec 06 16:14:01.980 INFO [stdout] 2641d1fb2c90f763ff827620b11b38b8c155aef45e6153d223c61000ecf8e4aa
Dec 06 16:14:01.988 INFO running `"docker" "create" "-v" "/mnt/big/crater/work/local/target-dirs/pr-56514/worker-4/master#906deae0790bd18681b937fe9a141a3c26cf1855:/target:rw,Z" "-v" "/mnt/big/crater/work/local/test-source/worker-4/pr-56514/master#906deae0790bd18681b937fe9a141a3c26cf1855:/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 +906deae0790bd18681b937fe9a141a3c26cf1855-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 06 16:14:02.403 INFO [stdout] 149536b35f48078f4ff0b779688c0b87a03f233fe4890b52c28d38c5a2ea276c
Dec 06 16:14:02.406 INFO running `"docker" "start" "-a" "149536b35f48078f4ff0b779688c0b87a03f233fe4890b52c28d38c5a2ea276c"`
Dec 06 16:14:04.228 INFO [stderr] usermod: no changes
Dec 06 16:14:04.274 INFO [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 0.02s
Dec 06 16:14:04.292 INFO [stderr]      Running /target/debug/deps/shell-602b0386b24fb2b5
Dec 06 16:14:04.294 INFO [stdout] 
Dec 06 16:14:04.294 INFO [stdout] running 0 tests
Dec 06 16:14:04.294 INFO [stdout] 
Dec 06 16:14:04.294 INFO [stdout] test result: ok. 0 passed; 0 failed; 0 ignored; 0 measured; 0 filtered out
Dec 06 16:14:04.294 INFO [stdout] 
Dec 06 16:14:04.298 INFO [stderr] su: No module specific data is present
Dec 06 16:14:05.676 INFO running `"docker" "inspect" "149536b35f48078f4ff0b779688c0b87a03f233fe4890b52c28d38c5a2ea276c"`
Dec 06 16:14:05.948 INFO running `"docker" "rm" "-f" "149536b35f48078f4ff0b779688c0b87a03f233fe4890b52c28d38c5a2ea276c"`
Dec 06 16:14:06.205 INFO [stdout] 149536b35f48078f4ff0b779688c0b87a03f233fe4890b52c28d38c5a2ea276c