Nov 30 09:59:34.511 INFO checking LiteUnder/testing_rust against master#a49316ddc99d9d595193557fc899f6c52e4d9af9 for pr-56323
Nov 30 09:59:34.511 INFO running `"docker" "create" "-v" "/mnt/big/crater/work/local/target-dirs/pr-56323/worker-0/master#a49316ddc99d9d595193557fc899f6c52e4d9af9:/target:rw,Z" "-v" "/mnt/big/crater/work/local/test-source/worker-0/pr-56323/master#a49316ddc99d9d595193557fc899f6c52e4d9af9:/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 +a49316ddc99d9d595193557fc899f6c52e4d9af9-alt check --frozen --all --all-targets" "-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"`
Nov 30 09:59:34.687 INFO [stdout] a64763371c61da40debd55731f99c53206817d2a22fa54c75da9046568375b6f
Nov 30 09:59:34.691 INFO running `"docker" "start" "-a" "a64763371c61da40debd55731f99c53206817d2a22fa54c75da9046568375b6f"`
Nov 30 09:59:35.108 INFO [stderr] usermod: no changes
Nov 30 09:59:35.130 INFO [stderr]     Checking testing_rust v0.1.0 (/source)
Nov 30 09:59:35.532 INFO [stderr] warning: unused variable: `x`
Nov 30 09:59:35.532 INFO [stderr]   --> src/main.rs:12:9
Nov 30 09:59:35.532 INFO [stderr]    |
Nov 30 09:59:35.532 INFO [stderr] 12 |     let x = Some(5);
Nov 30 09:59:35.532 INFO [stderr]    |         ^ help: consider using `_x` instead
Nov 30 09:59:35.532 INFO [stderr]    |
Nov 30 09:59:35.532 INFO [stderr]    = note: #[warn(unused_variables)] on by default
Nov 30 09:59:35.532 INFO [stderr] 
Nov 30 09:59:35.532 INFO [stderr] warning: unused variable: `y`
Nov 30 09:59:35.532 INFO [stderr]   --> src/main.rs:13:9
Nov 30 09:59:35.532 INFO [stderr]    |
Nov 30 09:59:35.532 INFO [stderr] 13 |     let y: Option<i8> = None;
Nov 30 09:59:35.532 INFO [stderr]    |         ^ help: consider using `_y` instead
Nov 30 09:59:35.532 INFO [stderr] 
Nov 30 09:59:35.577 INFO [stderr] warning: unused variable: `x`
Nov 30 09:59:35.577 INFO [stderr]   --> src/main.rs:12:9
Nov 30 09:59:35.577 INFO [stderr]    |
Nov 30 09:59:35.577 INFO [stderr] 12 |     let x = Some(5);
Nov 30 09:59:35.577 INFO [stderr]    |         ^ help: consider using `_x` instead
Nov 30 09:59:35.577 INFO [stderr]    |
Nov 30 09:59:35.577 INFO [stderr]    = note: #[warn(unused_variables)] on by default
Nov 30 09:59:35.577 INFO [stderr] 
Nov 30 09:59:35.577 INFO [stderr] warning: unused variable: `y`
Nov 30 09:59:35.577 INFO [stderr]   --> src/main.rs:13:9
Nov 30 09:59:35.577 INFO [stderr]    |
Nov 30 09:59:35.577 INFO [stderr] 13 |     let y: Option<i8> = None;
Nov 30 09:59:35.577 INFO [stderr]    |         ^ help: consider using `_y` instead
Nov 30 09:59:35.577 INFO [stderr] 
Nov 30 09:59:35.589 INFO [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 0.47s
Nov 30 09:59:35.591 INFO [stderr] su: No module specific data is present
Nov 30 09:59:35.820 INFO running `"docker" "inspect" "a64763371c61da40debd55731f99c53206817d2a22fa54c75da9046568375b6f"`
Nov 30 09:59:36.008 INFO running `"docker" "rm" "-f" "a64763371c61da40debd55731f99c53206817d2a22fa54c75da9046568375b6f"`
Nov 30 09:59:36.248 INFO [stdout] a64763371c61da40debd55731f99c53206817d2a22fa54c75da9046568375b6f