Dec 05 09:11:54.363 INFO checking pfwd-0.1.1 against try#1df97983eb2057dc6a8f7eb364e263b51ae23230 for pr-56481
Dec 05 09:11:54.363 INFO running `"docker" "create" "-v" "/mnt/big/crater/work/local/target-dirs/pr-56481/worker-4/try#1df97983eb2057dc6a8f7eb364e263b51ae23230:/target:rw,Z" "-v" "/mnt/big/crater/work/local/test-source/worker-4/pr-56481/try#1df97983eb2057dc6a8f7eb364e263b51ae23230:/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 +1df97983eb2057dc6a8f7eb364e263b51ae23230-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 05 09:11:54.670 INFO [stdout] c160f66777579380ded3c36006dd81ff4b8b354c578733c73113139cf764b83d
Dec 05 09:11:54.675 INFO running `"docker" "start" "-a" "c160f66777579380ded3c36006dd81ff4b8b354c578733c73113139cf764b83d"`
Dec 05 09:11:55.255 INFO [stderr] usermod: no changes
Dec 05 09:11:55.276 INFO [stderr]     Checking pfwd v0.1.1 (/source)
Dec 05 09:11:55.732 INFO [stderr] warning: unused `std::result::Result` that must be used
Dec 05 09:11:55.732 INFO [stderr]   --> src/main.rs:36:21
Dec 05 09:11:55.732 INFO [stderr]    |
Dec 05 09:11:55.732 INFO [stderr] 36 |                     tx1.send(());
Dec 05 09:11:55.732 INFO [stderr]    |                     ^^^^^^^^^^^^^
Dec 05 09:11:55.732 INFO [stderr]    |
Dec 05 09:11:55.732 INFO [stderr]    = note: #[warn(unused_must_use)] on by default
Dec 05 09:11:55.732 INFO [stderr]    = note: this `Result` may be an `Err` variant, which should be handled
Dec 05 09:11:55.732 INFO [stderr] 
Dec 05 09:11:55.732 INFO [stderr] warning: unused `std::result::Result` that must be used
Dec 05 09:11:55.732 INFO [stderr]   --> src/main.rs:37:21
Dec 05 09:11:55.732 INFO [stderr]    |
Dec 05 09:11:55.732 INFO [stderr] 37 |                     incoming.shutdown(Shutdown::Read);
Dec 05 09:11:55.732 INFO [stderr]    |                     ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
Dec 05 09:11:55.732 INFO [stderr]    |
Dec 05 09:11:55.732 INFO [stderr]    = note: this `Result` may be an `Err` variant, which should be handled
Dec 05 09:11:55.732 INFO [stderr] 
Dec 05 09:11:55.732 INFO [stderr] warning: unused `std::result::Result` that must be used
Dec 05 09:11:55.732 INFO [stderr]   --> src/main.rs:38:21
Dec 05 09:11:55.732 INFO [stderr]    |
Dec 05 09:11:55.732 INFO [stderr] 38 |                     outgoing.shutdown(Shutdown::Write);
Dec 05 09:11:55.732 INFO [stderr]    |                     ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
Dec 05 09:11:55.732 INFO [stderr]    |
Dec 05 09:11:55.732 INFO [stderr]    = note: this `Result` may be an `Err` variant, which should be handled
Dec 05 09:11:55.732 INFO [stderr] 
Dec 05 09:11:55.732 INFO [stderr] warning: unused `std::result::Result` that must be used
Dec 05 09:11:55.732 INFO [stderr]   --> src/main.rs:54:21
Dec 05 09:11:55.732 INFO [stderr]    |
Dec 05 09:11:55.732 INFO [stderr] 54 |                     tx2.send(());
Dec 05 09:11:55.732 INFO [stderr]    |                     ^^^^^^^^^^^^^
Dec 05 09:11:55.732 INFO [stderr]    |
Dec 05 09:11:55.732 INFO [stderr]    = note: this `Result` may be an `Err` variant, which should be handled
Dec 05 09:11:55.732 INFO [stderr] 
Dec 05 09:11:55.732 INFO [stderr] warning: unused `std::result::Result` that must be used
Dec 05 09:11:55.732 INFO [stderr]   --> src/main.rs:55:21
Dec 05 09:11:55.732 INFO [stderr]    |
Dec 05 09:11:55.732 INFO [stderr] 55 |                     outgoing2.shutdown(Shutdown::Read);
Dec 05 09:11:55.732 INFO [stderr]    |                     ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
Dec 05 09:11:55.732 INFO [stderr]    |
Dec 05 09:11:55.732 INFO [stderr]    = note: this `Result` may be an `Err` variant, which should be handled
Dec 05 09:11:55.732 INFO [stderr] 
Dec 05 09:11:55.732 INFO [stderr] warning: unused `std::result::Result` that must be used
Dec 05 09:11:55.732 INFO [stderr]   --> src/main.rs:56:21
Dec 05 09:11:55.732 INFO [stderr]    |
Dec 05 09:11:55.732 INFO [stderr] 56 |                     incoming2.shutdown(Shutdown::Write);
Dec 05 09:11:55.732 INFO [stderr]    |                     ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
Dec 05 09:11:55.732 INFO [stderr]    |
Dec 05 09:11:55.732 INFO [stderr]    = note: this `Result` may be an `Err` variant, which should be handled
Dec 05 09:11:55.732 INFO [stderr] 
Dec 05 09:11:55.799 INFO [stderr] warning: unused `std::result::Result` that must be used
Dec 05 09:11:55.799 INFO [stderr]   --> src/main.rs:36:21
Dec 05 09:11:55.799 INFO [stderr]    |
Dec 05 09:11:55.799 INFO [stderr] 36 |                     tx1.send(());
Dec 05 09:11:55.799 INFO [stderr]    |                     ^^^^^^^^^^^^^
Dec 05 09:11:55.799 INFO [stderr]    |
Dec 05 09:11:55.799 INFO [stderr]    = note: #[warn(unused_must_use)] on by default
Dec 05 09:11:55.799 INFO [stderr]    = note: this `Result` may be an `Err` variant, which should be handled
Dec 05 09:11:55.799 INFO [stderr] 
Dec 05 09:11:55.799 INFO [stderr] warning: unused `std::result::Result` that must be used
Dec 05 09:11:55.799 INFO [stderr]   --> src/main.rs:37:21
Dec 05 09:11:55.799 INFO [stderr]    |
Dec 05 09:11:55.799 INFO [stderr] 37 |                     incoming.shutdown(Shutdown::Read);
Dec 05 09:11:55.799 INFO [stderr]    |                     ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
Dec 05 09:11:55.799 INFO [stderr]    |
Dec 05 09:11:55.799 INFO [stderr]    = note: this `Result` may be an `Err` variant, which should be handled
Dec 05 09:11:55.799 INFO [stderr] 
Dec 05 09:11:55.799 INFO [stderr] warning: unused `std::result::Result` that must be used
Dec 05 09:11:55.799 INFO [stderr]   --> src/main.rs:38:21
Dec 05 09:11:55.799 INFO [stderr]    |
Dec 05 09:11:55.799 INFO [stderr] 38 |                     outgoing.shutdown(Shutdown::Write);
Dec 05 09:11:55.799 INFO [stderr]    |                     ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
Dec 05 09:11:55.799 INFO [stderr]    |
Dec 05 09:11:55.799 INFO [stderr]    = note: this `Result` may be an `Err` variant, which should be handled
Dec 05 09:11:55.799 INFO [stderr] 
Dec 05 09:11:55.799 INFO [stderr] warning: unused `std::result::Result` that must be used
Dec 05 09:11:55.799 INFO [stderr]   --> src/main.rs:54:21
Dec 05 09:11:55.799 INFO [stderr]    |
Dec 05 09:11:55.799 INFO [stderr] 54 |                     tx2.send(());
Dec 05 09:11:55.799 INFO [stderr]    |                     ^^^^^^^^^^^^^
Dec 05 09:11:55.799 INFO [stderr]    |
Dec 05 09:11:55.799 INFO [stderr]    = note: this `Result` may be an `Err` variant, which should be handled
Dec 05 09:11:55.799 INFO [stderr] 
Dec 05 09:11:55.799 INFO [stderr] warning: unused `std::result::Result` that must be used
Dec 05 09:11:55.799 INFO [stderr]   --> src/main.rs:55:21
Dec 05 09:11:55.799 INFO [stderr]    |
Dec 05 09:11:55.799 INFO [stderr] 55 |                     outgoing2.shutdown(Shutdown::Read);
Dec 05 09:11:55.799 INFO [stderr]    |                     ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
Dec 05 09:11:55.799 INFO [stderr]    |
Dec 05 09:11:55.799 INFO [stderr]    = note: this `Result` may be an `Err` variant, which should be handled
Dec 05 09:11:55.799 INFO [stderr] 
Dec 05 09:11:55.799 INFO [stderr] warning: unused `std::result::Result` that must be used
Dec 05 09:11:55.799 INFO [stderr]   --> src/main.rs:56:21
Dec 05 09:11:55.799 INFO [stderr]    |
Dec 05 09:11:55.799 INFO [stderr] 56 |                     incoming2.shutdown(Shutdown::Write);
Dec 05 09:11:55.799 INFO [stderr]    |                     ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
Dec 05 09:11:55.799 INFO [stderr]    |
Dec 05 09:11:55.799 INFO [stderr]    = note: this `Result` may be an `Err` variant, which should be handled
Dec 05 09:11:55.799 INFO [stderr] 
Dec 05 09:11:55.815 INFO [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 0.54s
Dec 05 09:11:55.815 INFO [stderr] su: No module specific data is present
Dec 05 09:11:56.271 INFO running `"docker" "inspect" "c160f66777579380ded3c36006dd81ff4b8b354c578733c73113139cf764b83d"`
Dec 05 09:11:56.421 INFO running `"docker" "rm" "-f" "c160f66777579380ded3c36006dd81ff4b8b354c578733c73113139cf764b83d"`
Dec 05 09:11:56.554 INFO [stdout] c160f66777579380ded3c36006dd81ff4b8b354c578733c73113139cf764b83d