Oct 27 02:58:00.345 INFO checking jfredett/synacor against master#155510e377ae2a8d8ee0dad1a5f809c9062a5526 for pr-55192-2
Oct 27 02:58:00.350 INFO running `"docker" "create" "-v" "/mnt/big/crater/./work/local/target-dirs/pr-55192-2/worker-7/master#155510e377ae2a8d8ee0dad1a5f809c9062a5526:/target:rw,Z" "-v" "/mnt/big/crater/./work/local/test-source/worker-7/pr-55192-2/master#155510e377ae2a8d8ee0dad1a5f809c9062a5526:/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 +155510e377ae2a8d8ee0dad1a5f809c9062a5526-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"`
Oct 27 02:58:00.753 INFO blam! ae33c3df592d61f36db256bb195c4862ed3dcbd4dddae8aab93d36e12f3001a3
Oct 27 02:58:00.763 INFO running `"docker" "start" "-a" "ae33c3df592d61f36db256bb195c4862ed3dcbd4dddae8aab93d36e12f3001a3"`
Oct 27 02:58:01.623 INFO kablam! usermod: no changes
Oct 27 02:58:01.700 INFO kablam!     Checking synacor v0.1.0 (/source)
Oct 27 02:58:02.762 INFO kablam! warning: unused `std::result::Result` that must be used
Oct 27 02:58:02.762 INFO kablam!    --> src/vm.rs:186:9
Oct 27 02:58:02.762 INFO kablam!     |
Oct 27 02:58:02.762 INFO kablam! 186 |         stdin.read_exact(&mut buf);
Oct 27 02:58:02.762 INFO kablam!     |         ^^^^^^^^^^^^^^^^^^^^^^^^^^^
Oct 27 02:58:02.775 INFO kablam!     |
Oct 27 02:58:02.776 INFO kablam!     = note: #[warn(unused_must_use)] on by default
Oct 27 02:58:02.776 INFO kablam!     = note: this `Result` may be an `Err` variant, which should be handled
Oct 27 02:58:02.776 INFO kablam! 
Oct 27 02:58:06.111 INFO kablam! warning: unused arithmetic operation that must be used
Oct 27 02:58:06.111 INFO kablam!    --> src/u15.rs:163:30
Oct 27 02:58:06.111 INFO kablam!     |
Oct 27 02:58:06.111 INFO kablam! 163 |         fn sub_underflow() { u15(0) - u15(2); }
Oct 27 02:58:06.111 INFO kablam!     |                              ^^^^^^^^^^^^^^^
Oct 27 02:58:06.111 INFO kablam!     |
Oct 27 02:58:06.111 INFO kablam!     = note: #[warn(unused_must_use)] on by default
Oct 27 02:58:06.111 INFO kablam! 
Oct 27 02:58:06.111 INFO kablam! warning: unused arithmetic operation that must be used
Oct 27 02:58:06.111 INFO kablam!    --> src/u15.rs:167:28
Oct 27 02:58:06.111 INFO kablam!     |
Oct 27 02:58:06.111 INFO kablam! 167 |         fn div_by_zero() { u15(1) / u15(0); }
Oct 27 02:58:06.111 INFO kablam!     |                            ^^^^^^^^^^^^^^^
Oct 27 02:58:06.111 INFO kablam! 
Oct 27 02:58:06.111 INFO kablam! warning: unused arithmetic operation that must be used
Oct 27 02:58:06.111 INFO kablam!    --> src/u15.rs:223:26
Oct 27 02:58:06.111 INFO kablam!     |
Oct 27 02:58:06.111 INFO kablam! 223 |         fn sub_panic() { u15(16) - u15(17); }
Oct 27 02:58:06.111 INFO kablam!     |                          ^^^^^^^^^^^^^^^^^
Oct 27 02:58:06.111 INFO kablam! 
Oct 27 02:58:06.187 INFO kablam! warning: unused `std::result::Result` that must be used
Oct 27 02:58:06.187 INFO kablam!    --> src/vm.rs:186:9
Oct 27 02:58:06.187 INFO kablam!     |
Oct 27 02:58:06.187 INFO kablam! 186 |         stdin.read_exact(&mut buf);
Oct 27 02:58:06.187 INFO kablam!     |         ^^^^^^^^^^^^^^^^^^^^^^^^^^^
Oct 27 02:58:06.187 INFO kablam!     |
Oct 27 02:58:06.187 INFO kablam!     = note: this `Result` may be an `Err` variant, which should be handled
Oct 27 02:58:06.187 INFO kablam! 
Oct 27 02:58:06.264 INFO kablam!     Finished dev [unoptimized + debuginfo] target(s) in 4.60s
Oct 27 02:58:06.271 INFO kablam! su: No module specific data is present
Oct 27 02:58:06.571 INFO running `"docker" "rm" "-f" "ae33c3df592d61f36db256bb195c4862ed3dcbd4dddae8aab93d36e12f3001a3"`
Oct 27 02:58:06.684 INFO blam! ae33c3df592d61f36db256bb195c4862ed3dcbd4dddae8aab93d36e12f3001a3