Dec 11 09:38:21.777 INFO checking shingtaklam1324/number-theory-rust against master#3a75e80557a103497cffbcab395a2f37061a77ea for pr-56677
Dec 11 09:38:21.778 INFO running `"docker" "create" "-v" "/mnt/big/crater/work/local/target-dirs/pr-56677/worker-3/master#3a75e80557a103497cffbcab395a2f37061a77ea:/target:rw,Z" "-v" "/mnt/big/crater/work/local/test-source/worker-3/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 09:38:22.296 INFO [stdout] 65362b2a70c9290d90e32755b624437703da4f4d84c9796f7d6e678d5d61b1f9
Dec 11 09:38:22.302 INFO running `"docker" "start" "-a" "65362b2a70c9290d90e32755b624437703da4f4d84c9796f7d6e678d5d61b1f9"`
Dec 11 09:38:23.476 INFO [stderr] usermod: no changes
Dec 11 09:38:23.549 INFO [stderr]     Checking number-theory v0.1.0 (/source)
Dec 11 09:38:23.923 INFO [stderr] warning: constant item is never used: `Zero`
Dec 11 09:38:23.923 INFO [stderr]   --> src/main.rs:12:1
Dec 11 09:38:23.923 INFO [stderr]    |
Dec 11 09:38:23.923 INFO [stderr] 12 | const Zero: Nat<Z> = Nat(Z);
Dec 11 09:38:23.923 INFO [stderr]    | ^^^^^^^^^^^^^^^^^^^^^^^^^^^^
Dec 11 09:38:23.923 INFO [stderr]    |
Dec 11 09:38:23.923 INFO [stderr]    = note: #[warn(dead_code)] on by default
Dec 11 09:38:23.923 INFO [stderr] 
Dec 11 09:38:23.923 INFO [stderr] warning: function is never used: `Succ`
Dec 11 09:38:23.923 INFO [stderr]   --> src/main.rs:14:1
Dec 11 09:38:23.923 INFO [stderr]    |
Dec 11 09:38:23.923 INFO [stderr] 14 | fn Succ<A>(d: Nat<A>) -> Nat<S<A>> {
Dec 11 09:38:23.923 INFO [stderr]    | ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
Dec 11 09:38:23.923 INFO [stderr] 
Dec 11 09:38:23.923 INFO [stderr] warning: the feature `conservative_impl_trait` has been stable since 1.26.0 and no longer requires an attribute to enable
Dec 11 09:38:23.923 INFO [stderr]  --> src/main.rs:1:12
Dec 11 09:38:23.923 INFO [stderr]   |
Dec 11 09:38:23.923 INFO [stderr] 1 | #![feature(conservative_impl_trait)]
Dec 11 09:38:23.923 INFO [stderr]   |            ^^^^^^^^^^^^^^^^^^^^^^^
Dec 11 09:38:23.923 INFO [stderr]   |
Dec 11 09:38:23.923 INFO [stderr]   = note: #[warn(stable_features)] on by default
Dec 11 09:38:23.923 INFO [stderr] 
Dec 11 09:38:24.054 INFO [stderr] warning: constant item is never used: `Zero`
Dec 11 09:38:24.054 INFO [stderr]   --> src/main.rs:12:1
Dec 11 09:38:24.054 INFO [stderr]    |
Dec 11 09:38:24.054 INFO [stderr] 12 | const Zero: Nat<Z> = Nat(Z);
Dec 11 09:38:24.054 INFO [stderr]    | ^^^^^^^^^^^^^^^^^^^^^^^^^^^^
Dec 11 09:38:24.054 INFO [stderr]    |
Dec 11 09:38:24.054 INFO [stderr]    = note: #[warn(dead_code)] on by default
Dec 11 09:38:24.054 INFO [stderr] 
Dec 11 09:38:24.054 INFO [stderr] warning: function is never used: `Succ`
Dec 11 09:38:24.054 INFO [stderr]   --> src/main.rs:14:1
Dec 11 09:38:24.054 INFO [stderr]    |
Dec 11 09:38:24.054 INFO [stderr] 14 | fn Succ<A>(d: Nat<A>) -> Nat<S<A>> {
Dec 11 09:38:24.054 INFO [stderr]    | ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
Dec 11 09:38:24.054 INFO [stderr] 
Dec 11 09:38:24.054 INFO [stderr] warning: the feature `conservative_impl_trait` has been stable since 1.26.0 and no longer requires an attribute to enable
Dec 11 09:38:24.054 INFO [stderr]  --> src/main.rs:1:12
Dec 11 09:38:24.054 INFO [stderr]   |
Dec 11 09:38:24.054 INFO [stderr] 1 | #![feature(conservative_impl_trait)]
Dec 11 09:38:24.054 INFO [stderr]   |            ^^^^^^^^^^^^^^^^^^^^^^^
Dec 11 09:38:24.054 INFO [stderr]   |
Dec 11 09:38:24.054 INFO [stderr]   = note: #[warn(stable_features)] on by default
Dec 11 09:38:24.054 INFO [stderr] 
Dec 11 09:38:24.073 INFO [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 0.56s
Dec 11 09:38:24.075 INFO [stderr] su: No module specific data is present
Dec 11 09:38:24.966 INFO running `"docker" "inspect" "65362b2a70c9290d90e32755b624437703da4f4d84c9796f7d6e678d5d61b1f9"`
Dec 11 09:38:25.406 INFO running `"docker" "rm" "-f" "65362b2a70c9290d90e32755b624437703da4f4d84c9796f7d6e678d5d61b1f9"`
Dec 11 09:38:25.776 INFO [stdout] 65362b2a70c9290d90e32755b624437703da4f4d84c9796f7d6e678d5d61b1f9