Dec 11 17:23:02.274 INFO checking hon/study_rust against master#3a75e80557a103497cffbcab395a2f37061a77ea for pr-56677
Dec 11 17:23:02.274 INFO running `"docker" "create" "-v" "/mnt/big/crater/work/local/target-dirs/pr-56677/worker-2/master#3a75e80557a103497cffbcab395a2f37061a77ea:/target:rw,Z" "-v" "/mnt/big/crater/work/local/test-source/worker-2/pr-56677/master#3a75e80557a103497cffbcab395a2f37061a77ea:/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 +3a75e80557a103497cffbcab395a2f37061a77ea-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"`
Dec 11 17:23:02.492 INFO [stdout] 2301c8d8df9f0ef85b7fa3c7e1d06475b44f5cffdf4e2915baa789d28d91633c
Dec 11 17:23:02.494 INFO running `"docker" "start" "-a" "2301c8d8df9f0ef85b7fa3c7e1d06475b44f5cffdf4e2915baa789d28d91633c"`
Dec 11 17:23:03.212 INFO [stderr] usermod: no changes
Dec 11 17:23:03.245 INFO [stderr]     Checking study_rust v0.1.0 (/source)
Dec 11 17:23:03.642 INFO [stderr] warning: unused variable: `consume`
Dec 11 17:23:03.642 INFO [stderr]   --> src/s_closure/mod.rs:61:9
Dec 11 17:23:03.642 INFO [stderr]    |
Dec 11 17:23:03.642 INFO [stderr] 61 |     let consume = || {
Dec 11 17:23:03.642 INFO [stderr]    |         ^^^^^^^ help: consider using `_consume` instead
Dec 11 17:23:03.642 INFO [stderr]    |
Dec 11 17:23:03.642 INFO [stderr]    = note: #[warn(unused_variables)] on by default
Dec 11 17:23:03.643 INFO [stderr] 
Dec 11 17:23:03.643 INFO [stderr] warning: value assigned to `x` is never read
Dec 11 17:23:03.643 INFO [stderr]  --> src/s_mutability/mod.rs:9:13
Dec 11 17:23:03.643 INFO [stderr]   |
Dec 11 17:23:03.643 INFO [stderr] 9 |     let mut x = 5;
Dec 11 17:23:03.643 INFO [stderr]   |             ^
Dec 11 17:23:03.643 INFO [stderr]   |
Dec 11 17:23:03.643 INFO [stderr]   = note: #[warn(unused_assignments)] on by default
Dec 11 17:23:03.643 INFO [stderr] 
Dec 11 17:23:04.001 INFO [stderr] warning: unused variable: `consume`
Dec 11 17:23:04.001 INFO [stderr]   --> src/s_closure/mod.rs:61:9
Dec 11 17:23:04.001 INFO [stderr]    |
Dec 11 17:23:04.001 INFO [stderr] 61 |     let consume = || {
Dec 11 17:23:04.001 INFO [stderr]    |         ^^^^^^^ help: consider using `_consume` instead
Dec 11 17:23:04.001 INFO [stderr]    |
Dec 11 17:23:04.001 INFO [stderr]    = note: #[warn(unused_variables)] on by default
Dec 11 17:23:04.001 INFO [stderr] 
Dec 11 17:23:04.001 INFO [stderr] warning: value assigned to `x` is never read
Dec 11 17:23:04.001 INFO [stderr]  --> src/s_mutability/mod.rs:9:13
Dec 11 17:23:04.001 INFO [stderr]   |
Dec 11 17:23:04.001 INFO [stderr] 9 |     let mut x = 5;
Dec 11 17:23:04.001 INFO [stderr]   |             ^
Dec 11 17:23:04.001 INFO [stderr]   |
Dec 11 17:23:04.001 INFO [stderr]   = note: #[warn(unused_assignments)] on by default
Dec 11 17:23:04.001 INFO [stderr] 
Dec 11 17:23:04.182 INFO [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 0.95s
Dec 11 17:23:04.185 INFO [stderr] su: No module specific data is present
Dec 11 17:23:04.558 INFO running `"docker" "inspect" "2301c8d8df9f0ef85b7fa3c7e1d06475b44f5cffdf4e2915baa789d28d91633c"`
Dec 11 17:23:04.708 INFO running `"docker" "rm" "-f" "2301c8d8df9f0ef85b7fa3c7e1d06475b44f5cffdf4e2915baa789d28d91633c"`
Dec 11 17:23:04.972 INFO [stdout] 2301c8d8df9f0ef85b7fa3c7e1d06475b44f5cffdf4e2915baa789d28d91633c