Dec 17 14:05:34.335 INFO checking tatref/synacor-challenge against master#96d1334e567237b1507cd277938e7ae2de75ff51 for pr-54252
Dec 17 14:05:34.336 INFO running `"docker" "create" "-v" "/mnt/big/crater/work/local/target-dirs/pr-54252/worker-5/master#96d1334e567237b1507cd277938e7ae2de75ff51:/opt/crater/target:rw,Z" "-v" "/mnt/big/crater/work/ex/pr-54252/sources/master#96d1334e567237b1507cd277938e7ae2de75ff51/gh/tatref/synacor-challenge:/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" "+96d1334e567237b1507cd277938e7ae2de75ff51-alt" "check" "--frozen" "--all" "--all-targets"`
Dec 17 14:05:34.953 INFO [stdout] 084d0c4dd87ed7c84495de69351d2d022e8a2160dc9f9a4068deaaaf34bd4e42
Dec 17 14:05:34.955 INFO running `"docker" "start" "-a" "084d0c4dd87ed7c84495de69351d2d022e8a2160dc9f9a4068deaaaf34bd4e42"`
Dec 17 14:05:37.397 INFO [stderr]     Checking utf8parse v0.1.1
Dec 17 14:05:37.402 INFO [stderr]     Checking dirs v1.0.4
Dec 17 14:05:37.402 INFO [stderr]     Checking nix v0.11.0
Dec 17 14:05:43.812 INFO [stderr]     Checking rustyline v2.1.0
Dec 17 14:05:45.250 INFO [stderr]     Checking synacor-challenge v0.1.0 (/opt/crater/workdir)
Dec 17 14:05:45.740 INFO [stderr] error[E0308]: mismatched types
Dec 17 14:05:45.740 INFO [stderr]   --> src/main.rs:37:34
Dec 17 14:05:45.740 INFO [stderr]    |
Dec 17 14:05:45.740 INFO [stderr] 37 |         vm.load_program_from_mem(program);
Dec 17 14:05:45.740 INFO [stderr]    |                                  ^^^^^^^
Dec 17 14:05:45.740 INFO [stderr]    |                                  |
Dec 17 14:05:45.740 INFO [stderr]    |                                  expected &[u16], found struct `std::vec::Vec`
Dec 17 14:05:45.740 INFO [stderr]    |                                  help: consider borrowing here: `&program`
Dec 17 14:05:45.740 INFO [stderr]    |
Dec 17 14:05:45.740 INFO [stderr]    = note: expected type `&[u16]`
Dec 17 14:05:45.740 INFO [stderr]               found type `std::vec::Vec<{integer}>`
Dec 17 14:05:45.740 INFO [stderr] 
Dec 17 14:05:45.920 INFO [stderr] error: aborting due to previous error
Dec 17 14:05:45.920 INFO [stderr] 
Dec 17 14:05:45.920 INFO [stderr] For more information about this error, try `rustc --explain E0308`.
Dec 17 14:05:45.937 INFO [stderr] error: Could not compile `synacor-challenge`.
Dec 17 14:05:45.937 INFO [stderr] warning: build failed, waiting for other jobs to finish...
Dec 17 14:05:46.100 INFO [stderr] warning: unreachable pattern
Dec 17 14:05:46.100 INFO [stderr]    --> src/main.rs:131:13
Dec 17 14:05:46.100 INFO [stderr]     |
Dec 17 14:05:46.100 INFO [stderr] 131 |             _ => unreachable!(),
Dec 17 14:05:46.100 INFO [stderr]     |             ^
Dec 17 14:05:46.100 INFO [stderr]     |
Dec 17 14:05:46.100 INFO [stderr]     = note: #[warn(unreachable_patterns)] on by default
Dec 17 14:05:46.100 INFO [stderr] 
Dec 17 14:05:46.192 INFO [stderr] warning: unused `std::result::Result` that must be used
Dec 17 14:05:46.192 INFO [stderr]    --> src/main.rs:684:21
Dec 17 14:05:46.192 INFO [stderr]     |
Dec 17 14:05:46.192 INFO [stderr] 684 |                     self.app.print_long_help();
Dec 17 14:05:46.192 INFO [stderr]     |                     ^^^^^^^^^^^^^^^^^^^^^^^^^^^
Dec 17 14:05:46.192 INFO [stderr]     |
Dec 17 14:05:46.192 INFO [stderr]     = note: #[warn(unused_must_use)] on by default
Dec 17 14:05:46.192 INFO [stderr]     = note: this `Result` may be an `Err` variant, which should be handled
Dec 17 14:05:46.192 INFO [stderr] 
Dec 17 14:05:46.236 INFO [stderr] error: build failed
Dec 17 14:05:47.080 INFO running `"docker" "inspect" "084d0c4dd87ed7c84495de69351d2d022e8a2160dc9f9a4068deaaaf34bd4e42"`
Dec 17 14:05:47.344 INFO running `"docker" "rm" "-f" "084d0c4dd87ed7c84495de69351d2d022e8a2160dc9f9a4068deaaaf34bd4e42"`
Dec 17 14:05:47.688 INFO [stdout] 084d0c4dd87ed7c84495de69351d2d022e8a2160dc9f9a4068deaaaf34bd4e42