Dec 12 10:42:30.994 INFO checking numtraits-0.0.1 against try#aa9aa79c3c583aab59ac9134542d60a780c35e2e for pr-56677
Dec 12 10:42:30.994 INFO running `"docker" "create" "-v" "/mnt/big/crater/work/local/target-dirs/pr-56677/worker-1/try#aa9aa79c3c583aab59ac9134542d60a780c35e2e:/target:rw,Z" "-v" "/mnt/big/crater/work/local/test-source/worker-1/pr-56677/try#aa9aa79c3c583aab59ac9134542d60a780c35e2e:/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 +aa9aa79c3c583aab59ac9134542d60a780c35e2e-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 12 10:42:31.394 INFO [stdout] 2204cb0e8de7069a5091beb1f1299f628ecb50d85ef00df32cb528bc36fa3ec4
Dec 12 10:42:31.402 INFO running `"docker" "start" "-a" "2204cb0e8de7069a5091beb1f1299f628ecb50d85ef00df32cb528bc36fa3ec4"`
Dec 12 10:42:32.484 INFO [stderr] usermod: no changes
Dec 12 10:42:32.528 INFO [stderr]     Checking numtraits v0.0.1 (/source)
Dec 12 10:42:33.268 INFO [stderr] warning: unused macro definition
Dec 12 10:42:33.269 INFO [stderr]   --> src/lib.rs:50:1
Dec 12 10:42:33.269 INFO [stderr]    |
Dec 12 10:42:33.269 INFO [stderr] 50 | / macro_rules! from_to {
Dec 12 10:42:33.269 INFO [stderr] 51 | |     ($tr:ident, $f:ident, $t:ident) => {
Dec 12 10:42:33.269 INFO [stderr] 52 | |         impl $tr<$f> for $t {
Dec 12 10:42:33.269 INFO [stderr] 53 | |             fn from(x: $f) -> $t { x as $t }
Dec 12 10:42:33.270 INFO [stderr] 54 | |         }
Dec 12 10:42:33.270 INFO [stderr] 55 | |     }
Dec 12 10:42:33.270 INFO [stderr] 56 | | }
Dec 12 10:42:33.270 INFO [stderr]    | |_^
Dec 12 10:42:33.270 INFO [stderr]    |
Dec 12 10:42:33.270 INFO [stderr]    = note: #[warn(unused_macros)] on by default
Dec 12 10:42:33.270 INFO [stderr] 
Dec 12 10:42:33.515 INFO [stderr] warning: unused macro definition
Dec 12 10:42:33.515 INFO [stderr]   --> src/lib.rs:50:1
Dec 12 10:42:33.515 INFO [stderr]    |
Dec 12 10:42:33.515 INFO [stderr] 50 | / macro_rules! from_to {
Dec 12 10:42:33.515 INFO [stderr] 51 | |     ($tr:ident, $f:ident, $t:ident) => {
Dec 12 10:42:33.515 INFO [stderr] 52 | |         impl $tr<$f> for $t {
Dec 12 10:42:33.515 INFO [stderr] 53 | |             fn from(x: $f) -> $t { x as $t }
Dec 12 10:42:33.515 INFO [stderr] 54 | |         }
Dec 12 10:42:33.515 INFO [stderr] 55 | |     }
Dec 12 10:42:33.515 INFO [stderr] 56 | | }
Dec 12 10:42:33.515 INFO [stderr]    | |_^
Dec 12 10:42:33.515 INFO [stderr]    |
Dec 12 10:42:33.515 INFO [stderr]    = note: #[warn(unused_macros)] on by default
Dec 12 10:42:33.515 INFO [stderr] 
Dec 12 10:42:33.536 INFO [stderr] warning: function is never used: `doit`
Dec 12 10:42:33.536 INFO [stderr]    --> src/lib.rs:121:1
Dec 12 10:42:33.536 INFO [stderr]     |
Dec 12 10:42:33.536 INFO [stderr] 121 | fn doit<T: UpCastAs<u64>>() {
Dec 12 10:42:33.536 INFO [stderr]     | ^^^^^^^^^^^^^^^^^^^^^^^^^^^
Dec 12 10:42:33.536 INFO [stderr]     |
Dec 12 10:42:33.536 INFO [stderr]     = note: #[warn(dead_code)] on by default
Dec 12 10:42:33.536 INFO [stderr] 
Dec 12 10:42:33.543 INFO [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 1.03s
Dec 12 10:42:33.545 INFO [stderr] su: No module specific data is present
Dec 12 10:42:34.050 INFO running `"docker" "inspect" "2204cb0e8de7069a5091beb1f1299f628ecb50d85ef00df32cb528bc36fa3ec4"`
Dec 12 10:42:34.198 INFO running `"docker" "rm" "-f" "2204cb0e8de7069a5091beb1f1299f628ecb50d85ef00df32cb528bc36fa3ec4"`
Dec 12 10:42:34.368 INFO [stdout] 2204cb0e8de7069a5091beb1f1299f628ecb50d85ef00df32cb528bc36fa3ec4