Dec 04 17:37:16.732 INFO checking hon/study_rust against master#c8ae2de8363be088604ffa2ccba84ff7ad7250bc for pr-56481
Dec 04 17:37:16.732 INFO running `"docker" "create" "-v" "/mnt/big/crater/work/local/target-dirs/pr-56481/worker-7/master#c8ae2de8363be088604ffa2ccba84ff7ad7250bc:/target:rw,Z" "-v" "/mnt/big/crater/work/local/test-source/worker-7/pr-56481/master#c8ae2de8363be088604ffa2ccba84ff7ad7250bc:/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 +c8ae2de8363be088604ffa2ccba84ff7ad7250bc-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 04 17:37:16.933 INFO [stdout] 4932e7a4ffff2f42fadc12e3c69a67fc76b2e48a16bc818dc893448d6a8020c8
Dec 04 17:37:16.943 INFO running `"docker" "start" "-a" "4932e7a4ffff2f42fadc12e3c69a67fc76b2e48a16bc818dc893448d6a8020c8"`
Dec 04 17:37:17.674 INFO [stderr] usermod: no changes
Dec 04 17:37:17.710 INFO [stderr]     Checking study_rust v0.1.0 (/source)
Dec 04 17:37:18.063 INFO [stderr] warning: unused variable: `consume`
Dec 04 17:37:18.063 INFO [stderr]   --> src/s_closure/mod.rs:61:9
Dec 04 17:37:18.063 INFO [stderr]    |
Dec 04 17:37:18.063 INFO [stderr] 61 |     let consume = || {
Dec 04 17:37:18.063 INFO [stderr]    |         ^^^^^^^ help: consider using `_consume` instead
Dec 04 17:37:18.063 INFO [stderr]    |
Dec 04 17:37:18.063 INFO [stderr]    = note: #[warn(unused_variables)] on by default
Dec 04 17:37:18.063 INFO [stderr] 
Dec 04 17:37:18.063 INFO [stderr] warning: value assigned to `x` is never read
Dec 04 17:37:18.063 INFO [stderr]  --> src/s_mutability/mod.rs:9:13
Dec 04 17:37:18.063 INFO [stderr]   |
Dec 04 17:37:18.063 INFO [stderr] 9 |     let mut x = 5;
Dec 04 17:37:18.063 INFO [stderr]   |             ^
Dec 04 17:37:18.063 INFO [stderr]   |
Dec 04 17:37:18.063 INFO [stderr]   = note: #[warn(unused_assignments)] on by default
Dec 04 17:37:18.063 INFO [stderr] 
Dec 04 17:37:18.171 INFO [stderr] warning: unused variable: `consume`
Dec 04 17:37:18.171 INFO [stderr]   --> src/s_closure/mod.rs:61:9
Dec 04 17:37:18.171 INFO [stderr]    |
Dec 04 17:37:18.171 INFO [stderr] 61 |     let consume = || {
Dec 04 17:37:18.171 INFO [stderr]    |         ^^^^^^^ help: consider using `_consume` instead
Dec 04 17:37:18.171 INFO [stderr]    |
Dec 04 17:37:18.171 INFO [stderr]    = note: #[warn(unused_variables)] on by default
Dec 04 17:37:18.171 INFO [stderr] 
Dec 04 17:37:18.171 INFO [stderr] warning: value assigned to `x` is never read
Dec 04 17:37:18.171 INFO [stderr]  --> src/s_mutability/mod.rs:9:13
Dec 04 17:37:18.171 INFO [stderr]   |
Dec 04 17:37:18.171 INFO [stderr] 9 |     let mut x = 5;
Dec 04 17:37:18.171 INFO [stderr]   |             ^
Dec 04 17:37:18.171 INFO [stderr]   |
Dec 04 17:37:18.171 INFO [stderr]   = note: #[warn(unused_assignments)] on by default
Dec 04 17:37:18.171 INFO [stderr] 
Dec 04 17:37:18.479 INFO [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 0.78s
Dec 04 17:37:18.482 INFO [stderr] su: No module specific data is present
Dec 04 17:37:19.031 INFO running `"docker" "inspect" "4932e7a4ffff2f42fadc12e3c69a67fc76b2e48a16bc818dc893448d6a8020c8"`
Dec 04 17:37:19.277 INFO running `"docker" "rm" "-f" "4932e7a4ffff2f42fadc12e3c69a67fc76b2e48a16bc818dc893448d6a8020c8"`
Dec 04 17:37:19.543 INFO [stdout] 4932e7a4ffff2f42fadc12e3c69a67fc76b2e48a16bc818dc893448d6a8020c8