Dec 14 08:26:16.864 INFO testing LiteUnder/testing_rust against try#aa49d8ef14939ddec0e34b346b60174a5673d48f for pr-56550
Dec 14 08:26:16.865 INFO running `"docker" "create" "-v" "/mnt/big/crater/work/local/target-dirs/pr-56550/worker-4/try#aa49d8ef14939ddec0e34b346b60174a5673d48f:/target:rw,Z" "-v" "/mnt/big/crater/work/local/test-source/worker-4/pr-56550/try#aa49d8ef14939ddec0e34b346b60174a5673d48f:/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 +aa49d8ef14939ddec0e34b346b60174a5673d48f-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 08:26:17.106 INFO [stdout] c5d3a7ef21cb2ee30cb58a66d952a161107bfcd10c9f1f6ec418331802477617
Dec 14 08:26:17.108 INFO running `"docker" "start" "-a" "c5d3a7ef21cb2ee30cb58a66d952a161107bfcd10c9f1f6ec418331802477617"`
Dec 14 08:26:17.492 INFO [stderr] usermod: no changes
Dec 14 08:26:17.517 INFO [stderr]    Compiling testing_rust v0.1.0 (/source)
Dec 14 08:26:17.858 INFO [stderr] warning: unused variable: `x`
Dec 14 08:26:17.858 INFO [stderr]   --> src/main.rs:12:9
Dec 14 08:26:17.858 INFO [stderr]    |
Dec 14 08:26:17.858 INFO [stderr] 12 |     let x = Some(5);
Dec 14 08:26:17.858 INFO [stderr]    |         ^ help: consider using `_x` instead
Dec 14 08:26:17.858 INFO [stderr]    |
Dec 14 08:26:17.858 INFO [stderr]    = note: #[warn(unused_variables)] on by default
Dec 14 08:26:17.858 INFO [stderr] 
Dec 14 08:26:17.858 INFO [stderr] warning: unused variable: `y`
Dec 14 08:26:17.858 INFO [stderr]   --> src/main.rs:13:9
Dec 14 08:26:17.858 INFO [stderr]    |
Dec 14 08:26:17.858 INFO [stderr] 13 |     let y: Option<i8> = None;
Dec 14 08:26:17.858 INFO [stderr]    |         ^ help: consider using `_y` instead
Dec 14 08:26:17.858 INFO [stderr] 
Dec 14 08:26:18.103 INFO [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 0.56s
Dec 14 08:26:18.103 INFO [stderr] su: No module specific data is present
Dec 14 08:26:18.547 INFO running `"docker" "inspect" "c5d3a7ef21cb2ee30cb58a66d952a161107bfcd10c9f1f6ec418331802477617"`
Dec 14 08:26:18.726 INFO running `"docker" "rm" "-f" "c5d3a7ef21cb2ee30cb58a66d952a161107bfcd10c9f1f6ec418331802477617"`
Dec 14 08:26:18.817 INFO [stdout] c5d3a7ef21cb2ee30cb58a66d952a161107bfcd10c9f1f6ec418331802477617
Dec 14 08:26:18.819 INFO running `"docker" "create" "-v" "/mnt/big/crater/work/local/target-dirs/pr-56550/worker-4/try#aa49d8ef14939ddec0e34b346b60174a5673d48f:/target:rw,Z" "-v" "/mnt/big/crater/work/local/test-source/worker-4/pr-56550/try#aa49d8ef14939ddec0e34b346b60174a5673d48f:/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 +aa49d8ef14939ddec0e34b346b60174a5673d48f-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 08:26:18.998 INFO [stdout] 3324a21fc317e339ed7d022aecacb80be12db99e45e8d793ec3833537072edab
Dec 14 08:26:18.999 INFO running `"docker" "start" "-a" "3324a21fc317e339ed7d022aecacb80be12db99e45e8d793ec3833537072edab"`
Dec 14 08:26:19.583 INFO [stderr] usermod: no changes
Dec 14 08:26:19.622 INFO [stderr]    Compiling testing_rust v0.1.0 (/source)
Dec 14 08:26:20.071 INFO [stderr] warning: unused variable: `x`
Dec 14 08:26:20.072 INFO [stderr]   --> src/main.rs:12:9
Dec 14 08:26:20.072 INFO [stderr]    |
Dec 14 08:26:20.072 INFO [stderr] 12 |     let x = Some(5);
Dec 14 08:26:20.072 INFO [stderr]    |         ^ help: consider using `_x` instead
Dec 14 08:26:20.072 INFO [stderr]    |
Dec 14 08:26:20.072 INFO [stderr]    = note: #[warn(unused_variables)] on by default
Dec 14 08:26:20.072 INFO [stderr] 
Dec 14 08:26:20.072 INFO [stderr] warning: unused variable: `y`
Dec 14 08:26:20.072 INFO [stderr]   --> src/main.rs:13:9
Dec 14 08:26:20.072 INFO [stderr]    |
Dec 14 08:26:20.072 INFO [stderr] 13 |     let y: Option<i8> = None;
Dec 14 08:26:20.072 INFO [stderr]    |         ^ help: consider using `_y` instead
Dec 14 08:26:20.072 INFO [stderr] 
Dec 14 08:26:20.326 INFO [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 0.72s
Dec 14 08:26:20.329 INFO [stderr] su: No module specific data is present
Dec 14 08:26:20.712 INFO running `"docker" "inspect" "3324a21fc317e339ed7d022aecacb80be12db99e45e8d793ec3833537072edab"`
Dec 14 08:26:20.824 INFO running `"docker" "rm" "-f" "3324a21fc317e339ed7d022aecacb80be12db99e45e8d793ec3833537072edab"`
Dec 14 08:26:20.916 INFO [stdout] 3324a21fc317e339ed7d022aecacb80be12db99e45e8d793ec3833537072edab
Dec 14 08:26:20.918 INFO running `"docker" "create" "-v" "/mnt/big/crater/work/local/target-dirs/pr-56550/worker-4/try#aa49d8ef14939ddec0e34b346b60174a5673d48f:/target:rw,Z" "-v" "/mnt/big/crater/work/local/test-source/worker-4/pr-56550/try#aa49d8ef14939ddec0e34b346b60174a5673d48f:/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 +aa49d8ef14939ddec0e34b346b60174a5673d48f-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 08:26:21.134 INFO [stdout] 75b77ba37b25ce82a1350b3b2ee30b80fee87e7cc2e2eca04ec8ac9f5795371f
Dec 14 08:26:21.136 INFO running `"docker" "start" "-a" "75b77ba37b25ce82a1350b3b2ee30b80fee87e7cc2e2eca04ec8ac9f5795371f"`
Dec 14 08:26:21.546 INFO [stderr] usermod: no changes
Dec 14 08:26:21.585 INFO [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 0.02s
Dec 14 08:26:21.585 INFO [stderr]      Running /target/debug/deps/testing_rust-856b82184d66793e
Dec 14 08:26:21.589 INFO [stderr] su: No module specific data is present
Dec 14 08:26:21.590 INFO [stdout] 
Dec 14 08:26:21.590 INFO [stdout] running 0 tests
Dec 14 08:26:21.590 INFO [stdout] 
Dec 14 08:26:21.590 INFO [stdout] test result: ok. 0 passed; 0 failed; 0 ignored; 0 measured; 0 filtered out
Dec 14 08:26:21.590 INFO [stdout] 
Dec 14 08:26:22.120 INFO running `"docker" "inspect" "75b77ba37b25ce82a1350b3b2ee30b80fee87e7cc2e2eca04ec8ac9f5795371f"`
Dec 14 08:26:22.503 INFO running `"docker" "rm" "-f" "75b77ba37b25ce82a1350b3b2ee30b80fee87e7cc2e2eca04ec8ac9f5795371f"`
Dec 14 08:26:22.866 INFO [stdout] 75b77ba37b25ce82a1350b3b2ee30b80fee87e7cc2e2eca04ec8ac9f5795371f