Nov 28 12:17:06.764 INFO checking MashPlant/decaf against try#db42d4dad33013eba11ef37342ad9f614e5652b8 for pr-56074
Nov 28 12:17:06.768 INFO running `"docker" "create" "-v" "/mnt/big/crater/work/local/target-dirs/pr-56074/worker-5/try#db42d4dad33013eba11ef37342ad9f614e5652b8:/target:rw,Z" "-v" "/mnt/big/crater/work/local/test-source/worker-5/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 28 12:17:07.154 INFO [stdout] f7695b03cd7acfd1b9f1b530d291c65ba84d15db8b002de6a074df721f1c0bd7
Nov 28 12:17:07.156 INFO running `"docker" "start" "-a" "f7695b03cd7acfd1b9f1b530d291c65ba84d15db8b002de6a074df721f1c0bd7"`
Nov 28 12:17:09.906 INFO [stderr] usermod: no changes
Nov 28 12:17:10.016 INFO [stderr]     Checking backend v0.1.0 (/source/src/backend)
Nov 28 12:17:10.036 INFO [stderr]     Checking regex v0.2.11
Nov 28 12:17:13.905 INFO [stderr]     Checking decaf v0.1.0 (/source)
Nov 28 12:17:20.823 INFO [stderr] warning: unused `std::result::Result` that must be used
Nov 28 12:17:20.824 INFO [stderr]   --> src/types.rs:74:11
Nov 28 12:17:20.824 INFO [stderr]    |
Nov 28 12:17:20.824 INFO [stderr] 74 |           write!(f, "{}->", parameter.type_.sem);
Nov 28 12:17:20.824 INFO [stderr]    |           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
Nov 28 12:17:20.824 INFO [stderr]    |
Nov 28 12:17:20.824 INFO [stderr]    = note: #[warn(unused_must_use)] on by default
Nov 28 12:17:20.825 INFO [stderr]    = note: this `Result` may be an `Err` variant, which should be handled
Nov 28 12:17:20.825 INFO [stderr]    = note: this error originates in a macro outside of the current crate (in Nightly builds, run with -Z external-macro-backtrace for more info)
Nov 28 12:17:20.825 INFO [stderr] 
Nov 28 12:17:20.847 INFO [stderr] warning: unused `std::result::Result` that must be used
Nov 28 12:17:20.847 INFO [stderr]   --> src/types.rs:74:11
Nov 28 12:17:20.847 INFO [stderr]    |
Nov 28 12:17:20.847 INFO [stderr] 74 |           write!(f, "{}->", parameter.type_.sem);
Nov 28 12:17:20.847 INFO [stderr]    |           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
Nov 28 12:17:20.847 INFO [stderr]    |
Nov 28 12:17:20.847 INFO [stderr]    = note: #[warn(unused_must_use)] on by default
Nov 28 12:17:20.847 INFO [stderr]    = note: this `Result` may be an `Err` variant, which should be handled
Nov 28 12:17:20.847 INFO [stderr]    = note: this error originates in a macro outside of the current crate (in Nightly builds, run with -Z external-macro-backtrace for more info)
Nov 28 12:17:20.847 INFO [stderr] 
Nov 28 12:17:21.460 INFO [stderr] warning: unused `std::result::Result` that must be used
Nov 28 12:17:21.461 INFO [stderr]    --> src/symbol.rs:151:11
Nov 28 12:17:21.462 INFO [stderr]     |
Nov 28 12:17:21.462 INFO [stderr] 151 |           write!(f, "{} -> class {}", class.loc, class.name);
Nov 28 12:17:21.463 INFO [stderr]     |           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
Nov 28 12:17:21.463 INFO [stderr]     |
Nov 28 12:17:21.464 INFO [stderr]     = note: this `Result` may be an `Err` variant, which should be handled
Nov 28 12:17:21.464 INFO [stderr]     = note: this error originates in a macro outside of the current crate (in Nightly builds, run with -Z external-macro-backtrace for more info)
Nov 28 12:17:21.465 INFO [stderr] 
Nov 28 12:17:21.528 INFO [stderr] warning: unused `std::result::Result` that must be used
Nov 28 12:17:21.529 INFO [stderr]    --> src/symbol.rs:151:11
Nov 28 12:17:21.530 INFO [stderr]     |
Nov 28 12:17:21.530 INFO [stderr] 151 |           write!(f, "{} -> class {}", class.loc, class.name);
Nov 28 12:17:21.531 INFO [stderr]     |           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
Nov 28 12:17:21.531 INFO [stderr]     |
Nov 28 12:17:21.532 INFO [stderr]     = note: this `Result` may be an `Err` variant, which should be handled
Nov 28 12:17:21.532 INFO [stderr]     = note: this error originates in a macro outside of the current crate (in Nightly builds, run with -Z external-macro-backtrace for more info)
Nov 28 12:17:21.533 INFO [stderr] 
Nov 28 12:17:21.637 INFO [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 11.70s
Nov 28 12:17:21.642 INFO [stderr] su: No module specific data is present
Nov 28 12:17:23.034 INFO running `"docker" "inspect" "f7695b03cd7acfd1b9f1b530d291c65ba84d15db8b002de6a074df721f1c0bd7"`
Nov 28 12:17:23.394 INFO running `"docker" "rm" "-f" "f7695b03cd7acfd1b9f1b530d291c65ba84d15db8b002de6a074df721f1c0bd7"`
Nov 28 12:17:23.784 INFO [stdout] f7695b03cd7acfd1b9f1b530d291c65ba84d15db8b002de6a074df721f1c0bd7