Nov 27 20:33:42.403 INFO checking shingtaklam1324/number-theory-rust against try#db42d4dad33013eba11ef37342ad9f614e5652b8 for pr-56074
Nov 27 20:33:42.404 INFO running `"docker" "create" "-v" "/mnt/big/crater/work/local/target-dirs/pr-56074/worker-6/try#db42d4dad33013eba11ef37342ad9f614e5652b8:/target:rw,Z" "-v" "/mnt/big/crater/work/local/test-source/worker-6/pr-56074/try#db42d4dad33013eba11ef37342ad9f614e5652b8:/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 +db42d4dad33013eba11ef37342ad9f614e5652b8-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"`
Nov 27 20:33:42.890 INFO [stdout] 1c8ead00ca970b3f047f3bbbfa20093ae09e5cb9f9105fbe2d4f718d9cbcff1b
Nov 27 20:33:42.894 INFO running `"docker" "start" "-a" "1c8ead00ca970b3f047f3bbbfa20093ae09e5cb9f9105fbe2d4f718d9cbcff1b"`
Nov 27 20:33:44.272 INFO [stderr] usermod: no changes
Nov 27 20:33:44.320 INFO [stderr]     Checking number-theory v0.1.0 (/source)
Nov 27 20:33:44.844 INFO [stderr] warning: constant item is never used: `Zero`
Nov 27 20:33:44.844 INFO [stderr]   --> src/main.rs:12:1
Nov 27 20:33:44.844 INFO [stderr]    |
Nov 27 20:33:44.844 INFO [stderr] 12 | const Zero: Nat<Z> = Nat(Z);
Nov 27 20:33:44.844 INFO [stderr]    | ^^^^^^^^^^^^^^^^^^^^^^^^^^^^
Nov 27 20:33:44.844 INFO [stderr]    |
Nov 27 20:33:44.844 INFO [stderr]    = note: #[warn(dead_code)] on by default
Nov 27 20:33:44.845 INFO [stderr] 
Nov 27 20:33:44.845 INFO [stderr] warning: function is never used: `Succ`
Nov 27 20:33:44.845 INFO [stderr]   --> src/main.rs:14:1
Nov 27 20:33:44.845 INFO [stderr]    |
Nov 27 20:33:44.845 INFO [stderr] 14 | fn Succ<A>(d: Nat<A>) -> Nat<S<A>> {
Nov 27 20:33:44.845 INFO [stderr]    | ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
Nov 27 20:33:44.845 INFO [stderr] 
Nov 27 20:33:44.845 INFO [stderr] warning: the feature `conservative_impl_trait` has been stable since 1.26.0 and no longer requires an attribute to enable
Nov 27 20:33:44.845 INFO [stderr]  --> src/main.rs:1:12
Nov 27 20:33:44.845 INFO [stderr]   |
Nov 27 20:33:44.845 INFO [stderr] 1 | #![feature(conservative_impl_trait)]
Nov 27 20:33:44.845 INFO [stderr]   |            ^^^^^^^^^^^^^^^^^^^^^^^
Nov 27 20:33:44.845 INFO [stderr]   |
Nov 27 20:33:44.845 INFO [stderr]   = note: #[warn(stable_features)] on by default
Nov 27 20:33:44.845 INFO [stderr] 
Nov 27 20:33:44.942 INFO [stderr] warning: constant item is never used: `Zero`
Nov 27 20:33:44.942 INFO [stderr]   --> src/main.rs:12:1
Nov 27 20:33:44.942 INFO [stderr]    |
Nov 27 20:33:44.942 INFO [stderr] 12 | const Zero: Nat<Z> = Nat(Z);
Nov 27 20:33:44.942 INFO [stderr]    | ^^^^^^^^^^^^^^^^^^^^^^^^^^^^
Nov 27 20:33:44.942 INFO [stderr]    |
Nov 27 20:33:44.942 INFO [stderr]    = note: #[warn(dead_code)] on by default
Nov 27 20:33:44.942 INFO [stderr] 
Nov 27 20:33:44.942 INFO [stderr] warning: function is never used: `Succ`
Nov 27 20:33:44.942 INFO [stderr]   --> src/main.rs:14:1
Nov 27 20:33:44.942 INFO [stderr]    |
Nov 27 20:33:44.942 INFO [stderr] 14 | fn Succ<A>(d: Nat<A>) -> Nat<S<A>> {
Nov 27 20:33:44.942 INFO [stderr]    | ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
Nov 27 20:33:44.942 INFO [stderr] 
Nov 27 20:33:44.942 INFO [stderr] warning: the feature `conservative_impl_trait` has been stable since 1.26.0 and no longer requires an attribute to enable
Nov 27 20:33:44.943 INFO [stderr]  --> src/main.rs:1:12
Nov 27 20:33:44.943 INFO [stderr]   |
Nov 27 20:33:44.943 INFO [stderr] 1 | #![feature(conservative_impl_trait)]
Nov 27 20:33:44.943 INFO [stderr]   |            ^^^^^^^^^^^^^^^^^^^^^^^
Nov 27 20:33:44.943 INFO [stderr]   |
Nov 27 20:33:44.943 INFO [stderr]   = note: #[warn(stable_features)] on by default
Nov 27 20:33:44.943 INFO [stderr] 
Nov 27 20:33:44.988 INFO [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 0.69s
Nov 27 20:33:44.988 INFO [stderr] su: No module specific data is present
Nov 27 20:33:45.788 INFO running `"docker" "inspect" "1c8ead00ca970b3f047f3bbbfa20093ae09e5cb9f9105fbe2d4f718d9cbcff1b"`
Nov 27 20:33:46.120 INFO running `"docker" "rm" "-f" "1c8ead00ca970b3f047f3bbbfa20093ae09e5cb9f9105fbe2d4f718d9cbcff1b"`
Nov 27 20:33:46.445 INFO [stdout] 1c8ead00ca970b3f047f3bbbfa20093ae09e5cb9f9105fbe2d4f718d9cbcff1b