Dec 18 13:29:28.580 INFO checking numtraits-0.0.1 against try#0b8c5828f68d7b2840b81fa51239346dc97fef5a for pr-54252
Dec 18 13:29:28.580 INFO running `"docker" "create" "-v" "/mnt/big/crater/work/local/target-dirs/pr-54252/worker-4/try#0b8c5828f68d7b2840b81fa51239346dc97fef5a:/opt/crater/target:rw,Z" "-v" "/mnt/big/crater/work/ex/pr-54252/sources/try#0b8c5828f68d7b2840b81fa51239346dc97fef5a/reg/numtraits/0.0.1:/opt/crater/workdir:ro,Z" "-v" "/mnt/big/crater/work/local/cargo-home:/opt/crater/cargo-home:ro,Z" "-v" "/mnt/big/crater/work/local/rustup-home:/opt/crater/rustup-home:ro,Z" "-e" "USER_ID=1000" "-e" "SOURCE_DIR=/opt/crater/workdir" "-e" "MAP_USER_ID=1000" "-e" "CARGO_TARGET_DIR=/opt/crater/target" "-e" "CARGO_INCREMENTAL=0" "-e" "RUST_BACKTRACE=full" "-e" "RUSTFLAGS=--cap-lints=forbid" "-e" "CARGO_HOME=/opt/crater/cargo-home" "-e" "RUSTUP_HOME=/opt/crater/rustup-home" "-w" "/opt/crater/workdir" "-m" "1536M" "--network" "none" "rustops/crates-build-env" "/opt/crater/cargo-home/bin/cargo" "+0b8c5828f68d7b2840b81fa51239346dc97fef5a-alt" "check" "--frozen" "--all" "--all-targets"`
Dec 18 13:29:28.996 INFO [stdout] 401dd793803330d4ba87f6b458c9e0bf848d58fe7ea0b40a0b4bf457ebc8f65e
Dec 18 13:29:29.004 INFO running `"docker" "start" "-a" "401dd793803330d4ba87f6b458c9e0bf848d58fe7ea0b40a0b4bf457ebc8f65e"`
Dec 18 13:29:30.150 INFO [stderr]     Checking numtraits v0.0.1 (/opt/crater/workdir)
Dec 18 13:29:30.535 INFO [stderr] warning: unused macro definition
Dec 18 13:29:30.535 INFO [stderr]   --> src/lib.rs:50:1
Dec 18 13:29:30.535 INFO [stderr]    |
Dec 18 13:29:30.535 INFO [stderr] 50 | / macro_rules! from_to {
Dec 18 13:29:30.536 INFO [stderr] 51 | |     ($tr:ident, $f:ident, $t:ident) => {
Dec 18 13:29:30.536 INFO [stderr] 52 | |         impl $tr<$f> for $t {
Dec 18 13:29:30.536 INFO [stderr] 53 | |             fn from(x: $f) -> $t { x as $t }
Dec 18 13:29:30.536 INFO [stderr] 54 | |         }
Dec 18 13:29:30.536 INFO [stderr] 55 | |     }
Dec 18 13:29:30.536 INFO [stderr] 56 | | }
Dec 18 13:29:30.536 INFO [stderr]    | |_^
Dec 18 13:29:30.536 INFO [stderr]    |
Dec 18 13:29:30.536 INFO [stderr]    = note: #[warn(unused_macros)] on by default
Dec 18 13:29:30.536 INFO [stderr] 
Dec 18 13:29:30.536 INFO [stderr] warning: unused macro definition
Dec 18 13:29:30.536 INFO [stderr]   --> src/lib.rs:50:1
Dec 18 13:29:30.536 INFO [stderr]    |
Dec 18 13:29:30.536 INFO [stderr] 50 | / macro_rules! from_to {
Dec 18 13:29:30.536 INFO [stderr] 51 | |     ($tr:ident, $f:ident, $t:ident) => {
Dec 18 13:29:30.536 INFO [stderr] 52 | |         impl $tr<$f> for $t {
Dec 18 13:29:30.536 INFO [stderr] 53 | |             fn from(x: $f) -> $t { x as $t }
Dec 18 13:29:30.536 INFO [stderr] 54 | |         }
Dec 18 13:29:30.536 INFO [stderr] 55 | |     }
Dec 18 13:29:30.536 INFO [stderr] 56 | | }
Dec 18 13:29:30.536 INFO [stderr]    | |_^
Dec 18 13:29:30.536 INFO [stderr]    |
Dec 18 13:29:30.536 INFO [stderr]    = note: #[warn(unused_macros)] on by default
Dec 18 13:29:30.536 INFO [stderr] 
Dec 18 13:29:30.540 INFO [stderr] warning: function is never used: `doit`
Dec 18 13:29:30.540 INFO [stderr]    --> src/lib.rs:121:1
Dec 18 13:29:30.540 INFO [stderr]     |
Dec 18 13:29:30.540 INFO [stderr] 121 | fn doit<T: UpCastAs<u64>>() {
Dec 18 13:29:30.540 INFO [stderr]     | ^^^^^^^^^^^^^^^^^^^^^^^^^^^
Dec 18 13:29:30.544 INFO [stderr]     |
Dec 18 13:29:30.544 INFO [stderr]     = note: #[warn(dead_code)] on by default
Dec 18 13:29:30.544 INFO [stderr] 
Dec 18 13:29:30.616 INFO [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 0.47s
Dec 18 13:29:31.200 INFO running `"docker" "inspect" "401dd793803330d4ba87f6b458c9e0bf848d58fe7ea0b40a0b4bf457ebc8f65e"`
Dec 18 13:29:31.452 INFO running `"docker" "rm" "-f" "401dd793803330d4ba87f6b458c9e0bf848d58fe7ea0b40a0b4bf457ebc8f65e"`
Dec 18 13:29:31.772 INFO [stdout] 401dd793803330d4ba87f6b458c9e0bf848d58fe7ea0b40a0b4bf457ebc8f65e