Dec 11 20:04:01.379 INFO checking data-pup/rust-temperature-converter against master#3a75e80557a103497cffbcab395a2f37061a77ea for pr-56677
Dec 11 20:04:01.379 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 20:04:01.857 INFO [stdout] 380c43338a803f51becff1032cee0b23a811534e4f90257d578b42d1944b687b
Dec 11 20:04:01.859 INFO running `"docker" "start" "-a" "380c43338a803f51becff1032cee0b23a811534e4f90257d578b42d1944b687b"`
Dec 11 20:04:03.452 INFO [stderr] usermod: no changes
Dec 11 20:04:03.512 INFO [stderr]     Checking rust-temp-converter v0.1.0 (/source)
Dec 11 20:04:04.187 INFO [stderr] warning: the feature `iterator_step_by` has been stable since 1.28.0 and no longer requires an attribute to enable
Dec 11 20:04:04.188 INFO [stderr]  --> src/main.rs:1:12
Dec 11 20:04:04.188 INFO [stderr]   |
Dec 11 20:04:04.188 INFO [stderr] 1 | #![feature(iterator_step_by)]
Dec 11 20:04:04.188 INFO [stderr]   |            ^^^^^^^^^^^^^^^^
Dec 11 20:04:04.188 INFO [stderr]   |
Dec 11 20:04:04.188 INFO [stderr]   = note: #[warn(stable_features)] on by default
Dec 11 20:04:04.188 INFO [stderr] 
Dec 11 20:04:04.348 INFO [stderr] warning: the feature `iterator_step_by` has been stable since 1.28.0 and no longer requires an attribute to enable
Dec 11 20:04:04.348 INFO [stderr]  --> src/main.rs:1:12
Dec 11 20:04:04.348 INFO [stderr]   |
Dec 11 20:04:04.348 INFO [stderr] 1 | #![feature(iterator_step_by)]
Dec 11 20:04:04.348 INFO [stderr]   |            ^^^^^^^^^^^^^^^^
Dec 11 20:04:04.348 INFO [stderr]   |
Dec 11 20:04:04.348 INFO [stderr]   = note: #[warn(stable_features)] on by default
Dec 11 20:04:04.348 INFO [stderr] 
Dec 11 20:04:04.385 INFO [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 0.90s
Dec 11 20:04:04.385 INFO [stderr] su: No module specific data is present
Dec 11 20:04:05.402 INFO running `"docker" "inspect" "380c43338a803f51becff1032cee0b23a811534e4f90257d578b42d1944b687b"`
Dec 11 20:04:05.714 INFO running `"docker" "rm" "-f" "380c43338a803f51becff1032cee0b23a811534e4f90257d578b42d1944b687b"`
Dec 11 20:04:05.991 INFO [stdout] 380c43338a803f51becff1032cee0b23a811534e4f90257d578b42d1944b687b