Dec 13 16:38:49.729 INFO testing intrepion/example-x-rust-x-rustbyexample-com-x-std-option against master#bd47d6825bf4090517549d33cfef10d3300b4a75 for pr-56550
Dec 13 16:38:49.729 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 13 16:38:49.912 INFO [stdout] ac5c591585de13b5f6ec4f96ea63d6b61b04e23e694e00c8e13cd96500306982
Dec 13 16:38:49.956 INFO running `"docker" "start" "-a" "ac5c591585de13b5f6ec4f96ea63d6b61b04e23e694e00c8e13cd96500306982"`
Dec 13 16:38:50.796 INFO [stderr] usermod: no changes
Dec 13 16:38:50.838 INFO [stderr]    Compiling example-x-rust-x-rustbyexample-com-x-std-option v0.1.0 (/source)
Dec 13 16:38:51.040 INFO [stderr] warning: unused variable: `none`
Dec 13 16:38:51.040 INFO [stderr]   --> src/main.rs:28:9
Dec 13 16:38:51.040 INFO [stderr]    |
Dec 13 16:38:51.040 INFO [stderr] 28 |     let none: Option<i32> = None;
Dec 13 16:38:51.040 INFO [stderr]    |         ^^^^ help: consider using `_none` instead
Dec 13 16:38:51.040 INFO [stderr]    |
Dec 13 16:38:51.040 INFO [stderr]    = note: #[warn(unused_variables)] on by default
Dec 13 16:38:51.040 INFO [stderr] 
Dec 13 16:38:51.185 INFO [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 0.36s
Dec 13 16:38:51.185 INFO [stderr] su: No module specific data is present
Dec 13 16:38:51.398 INFO running `"docker" "inspect" "ac5c591585de13b5f6ec4f96ea63d6b61b04e23e694e00c8e13cd96500306982"`
Dec 13 16:38:51.535 INFO running `"docker" "rm" "-f" "ac5c591585de13b5f6ec4f96ea63d6b61b04e23e694e00c8e13cd96500306982"`
Dec 13 16:38:51.613 INFO [stdout] ac5c591585de13b5f6ec4f96ea63d6b61b04e23e694e00c8e13cd96500306982
Dec 13 16:38:51.618 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 13 16:38:51.774 INFO [stdout] 41f06354b12c505e0b9d30428871b129eef84fa4a5f8015e156c1468d90c829c
Dec 13 16:38:51.778 INFO running `"docker" "start" "-a" "41f06354b12c505e0b9d30428871b129eef84fa4a5f8015e156c1468d90c829c"`
Dec 13 16:38:52.122 INFO [stderr] usermod: no changes
Dec 13 16:38:52.147 INFO [stderr]    Compiling example-x-rust-x-rustbyexample-com-x-std-option v0.1.0 (/source)
Dec 13 16:38:52.482 INFO [stderr] warning: unused variable: `none`
Dec 13 16:38:52.483 INFO [stderr]   --> src/main.rs:28:9
Dec 13 16:38:52.483 INFO [stderr]    |
Dec 13 16:38:52.483 INFO [stderr] 28 |     let none: Option<i32> = None;
Dec 13 16:38:52.483 INFO [stderr]    |         ^^^^ help: consider using `_none` instead
Dec 13 16:38:52.483 INFO [stderr]    |
Dec 13 16:38:52.483 INFO [stderr]    = note: #[warn(unused_variables)] on by default
Dec 13 16:38:52.483 INFO [stderr] 
Dec 13 16:38:52.836 INFO [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 0.70s
Dec 13 16:38:52.842 INFO [stderr] su: No module specific data is present
Dec 13 16:38:53.181 INFO running `"docker" "inspect" "41f06354b12c505e0b9d30428871b129eef84fa4a5f8015e156c1468d90c829c"`
Dec 13 16:38:53.253 INFO running `"docker" "rm" "-f" "41f06354b12c505e0b9d30428871b129eef84fa4a5f8015e156c1468d90c829c"`
Dec 13 16:38:53.325 INFO [stdout] 41f06354b12c505e0b9d30428871b129eef84fa4a5f8015e156c1468d90c829c
Dec 13 16:38:53.328 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 13 16:38:53.481 INFO [stdout] 54bbccce260d0c04e6b7b7d9dd8c3b93bd27aabda2201f73da9439a2e0e2254e
Dec 13 16:38:53.484 INFO running `"docker" "start" "-a" "54bbccce260d0c04e6b7b7d9dd8c3b93bd27aabda2201f73da9439a2e0e2254e"`
Dec 13 16:38:53.853 INFO [stderr] usermod: no changes
Dec 13 16:38:53.884 INFO [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 0.01s
Dec 13 16:38:53.885 INFO [stderr]      Running /target/debug/deps/example_x_rust_x_rustbyexample_com_x_std_option-2defb5bc16cd91c3
Dec 13 16:38:53.887 INFO [stdout] 
Dec 13 16:38:53.887 INFO [stdout] running 0 tests
Dec 13 16:38:53.887 INFO [stdout] 
Dec 13 16:38:53.887 INFO [stdout] test result: ok. 0 passed; 0 failed; 0 ignored; 0 measured; 0 filtered out
Dec 13 16:38:53.887 INFO [stdout] 
Dec 13 16:38:53.888 INFO [stderr] su: No module specific data is present
Dec 13 16:38:54.132 INFO running `"docker" "inspect" "54bbccce260d0c04e6b7b7d9dd8c3b93bd27aabda2201f73da9439a2e0e2254e"`
Dec 13 16:38:54.225 INFO running `"docker" "rm" "-f" "54bbccce260d0c04e6b7b7d9dd8c3b93bd27aabda2201f73da9439a2e0e2254e"`
Dec 13 16:38:54.357 INFO [stdout] 54bbccce260d0c04e6b7b7d9dd8c3b93bd27aabda2201f73da9439a2e0e2254e