Nov 28 20:44:33.074 INFO checking pfwd-0.1.1 against try#db42d4dad33013eba11ef37342ad9f614e5652b8 for pr-56074
Nov 28 20:44:33.074 INFO running `"docker" "create" "-v" "/mnt/big/crater/work/local/target-dirs/pr-56074/worker-7/try#db42d4dad33013eba11ef37342ad9f614e5652b8:/target:rw,Z" "-v" "/mnt/big/crater/work/local/test-source/worker-7/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 20:44:33.310 INFO [stdout] 3ae84319f1eabd3e5fe7da68981b54496433e7c1fcd5de5b1a09da32b55095d7
Nov 28 20:44:33.314 INFO running `"docker" "start" "-a" "3ae84319f1eabd3e5fe7da68981b54496433e7c1fcd5de5b1a09da32b55095d7"`
Nov 28 20:44:33.780 INFO [stderr] usermod: no changes
Nov 28 20:44:33.812 INFO [stderr]     Checking pfwd v0.1.1 (/source)
Nov 28 20:44:34.329 INFO [stderr] warning: unused `std::result::Result` that must be used
Nov 28 20:44:34.329 INFO [stderr]   --> src/main.rs:36:21
Nov 28 20:44:34.329 INFO [stderr]    |
Nov 28 20:44:34.329 INFO [stderr] 36 |                     tx1.send(());
Nov 28 20:44:34.329 INFO [stderr]    |                     ^^^^^^^^^^^^^
Nov 28 20:44:34.329 INFO [stderr]    |
Nov 28 20:44:34.329 INFO [stderr]    = note: #[warn(unused_must_use)] on by default
Nov 28 20:44:34.329 INFO [stderr]    = note: this `Result` may be an `Err` variant, which should be handled
Nov 28 20:44:34.329 INFO [stderr] 
Nov 28 20:44:34.329 INFO [stderr] warning: unused `std::result::Result` that must be used
Nov 28 20:44:34.330 INFO [stderr]   --> src/main.rs:37:21
Nov 28 20:44:34.330 INFO [stderr]    |
Nov 28 20:44:34.330 INFO [stderr] 37 |                     incoming.shutdown(Shutdown::Read);
Nov 28 20:44:34.330 INFO [stderr]    |                     ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
Nov 28 20:44:34.330 INFO [stderr]    |
Nov 28 20:44:34.330 INFO [stderr]    = note: this `Result` may be an `Err` variant, which should be handled
Nov 28 20:44:34.330 INFO [stderr] 
Nov 28 20:44:34.330 INFO [stderr] warning: unused `std::result::Result` that must be used
Nov 28 20:44:34.330 INFO [stderr]   --> src/main.rs:38:21
Nov 28 20:44:34.330 INFO [stderr]    |
Nov 28 20:44:34.330 INFO [stderr] 38 |                     outgoing.shutdown(Shutdown::Write);
Nov 28 20:44:34.330 INFO [stderr]    |                     ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
Nov 28 20:44:34.330 INFO [stderr]    |
Nov 28 20:44:34.330 INFO [stderr]    = note: this `Result` may be an `Err` variant, which should be handled
Nov 28 20:44:34.330 INFO [stderr] 
Nov 28 20:44:34.330 INFO [stderr] warning: unused `std::result::Result` that must be used
Nov 28 20:44:34.330 INFO [stderr]   --> src/main.rs:54:21
Nov 28 20:44:34.330 INFO [stderr]    |
Nov 28 20:44:34.330 INFO [stderr] 54 |                     tx2.send(());
Nov 28 20:44:34.330 INFO [stderr]    |                     ^^^^^^^^^^^^^
Nov 28 20:44:34.330 INFO [stderr]    |
Nov 28 20:44:34.330 INFO [stderr]    = note: this `Result` may be an `Err` variant, which should be handled
Nov 28 20:44:34.330 INFO [stderr] 
Nov 28 20:44:34.330 INFO [stderr] warning: unused `std::result::Result` that must be used
Nov 28 20:44:34.330 INFO [stderr]   --> src/main.rs:55:21
Nov 28 20:44:34.330 INFO [stderr]    |
Nov 28 20:44:34.330 INFO [stderr] 55 |                     outgoing2.shutdown(Shutdown::Read);
Nov 28 20:44:34.330 INFO [stderr]    |                     ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
Nov 28 20:44:34.330 INFO [stderr]    |
Nov 28 20:44:34.330 INFO [stderr]    = note: this `Result` may be an `Err` variant, which should be handled
Nov 28 20:44:34.330 INFO [stderr] 
Nov 28 20:44:34.330 INFO [stderr] warning: unused `std::result::Result` that must be used
Nov 28 20:44:34.330 INFO [stderr]   --> src/main.rs:56:21
Nov 28 20:44:34.330 INFO [stderr]    |
Nov 28 20:44:34.330 INFO [stderr] 56 |                     incoming2.shutdown(Shutdown::Write);
Nov 28 20:44:34.330 INFO [stderr]    |                     ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
Nov 28 20:44:34.330 INFO [stderr]    |
Nov 28 20:44:34.330 INFO [stderr]    = note: this `Result` may be an `Err` variant, which should be handled
Nov 28 20:44:34.330 INFO [stderr] 
Nov 28 20:44:34.688 INFO [stderr] warning: unused `std::result::Result` that must be used
Nov 28 20:44:34.688 INFO [stderr]   --> src/main.rs:36:21
Nov 28 20:44:34.688 INFO [stderr]    |
Nov 28 20:44:34.688 INFO [stderr] 36 |                     tx1.send(());
Nov 28 20:44:34.688 INFO [stderr]    |                     ^^^^^^^^^^^^^
Nov 28 20:44:34.688 INFO [stderr]    |
Nov 28 20:44:34.688 INFO [stderr]    = note: #[warn(unused_must_use)] on by default
Nov 28 20:44:34.688 INFO [stderr]    = note: this `Result` may be an `Err` variant, which should be handled
Nov 28 20:44:34.688 INFO [stderr] 
Nov 28 20:44:34.688 INFO [stderr] warning: unused `std::result::Result` that must be used
Nov 28 20:44:34.688 INFO [stderr]   --> src/main.rs:37:21
Nov 28 20:44:34.688 INFO [stderr]    |
Nov 28 20:44:34.688 INFO [stderr] 37 |                     incoming.shutdown(Shutdown::Read);
Nov 28 20:44:34.688 INFO [stderr]    |                     ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
Nov 28 20:44:34.688 INFO [stderr]    |
Nov 28 20:44:34.688 INFO [stderr]    = note: this `Result` may be an `Err` variant, which should be handled
Nov 28 20:44:34.688 INFO [stderr] 
Nov 28 20:44:34.688 INFO [stderr] warning: unused `std::result::Result` that must be used
Nov 28 20:44:34.688 INFO [stderr]   --> src/main.rs:38:21
Nov 28 20:44:34.688 INFO [stderr]    |
Nov 28 20:44:34.688 INFO [stderr] 38 |                     outgoing.shutdown(Shutdown::Write);
Nov 28 20:44:34.688 INFO [stderr]    |                     ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
Nov 28 20:44:34.688 INFO [stderr]    |
Nov 28 20:44:34.688 INFO [stderr]    = note: this `Result` may be an `Err` variant, which should be handled
Nov 28 20:44:34.688 INFO [stderr] 
Nov 28 20:44:34.688 INFO [stderr] warning: unused `std::result::Result` that must be used
Nov 28 20:44:34.688 INFO [stderr]   --> src/main.rs:54:21
Nov 28 20:44:34.688 INFO [stderr]    |
Nov 28 20:44:34.688 INFO [stderr] 54 |                     tx2.send(());
Nov 28 20:44:34.688 INFO [stderr]    |                     ^^^^^^^^^^^^^
Nov 28 20:44:34.688 INFO [stderr]    |
Nov 28 20:44:34.688 INFO [stderr]    = note: this `Result` may be an `Err` variant, which should be handled
Nov 28 20:44:34.688 INFO [stderr] 
Nov 28 20:44:34.688 INFO [stderr] warning: unused `std::result::Result` that must be used
Nov 28 20:44:34.688 INFO [stderr]   --> src/main.rs:55:21
Nov 28 20:44:34.688 INFO [stderr]    |
Nov 28 20:44:34.688 INFO [stderr] 55 |                     outgoing2.shutdown(Shutdown::Read);
Nov 28 20:44:34.689 INFO [stderr]    |                     ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
Nov 28 20:44:34.689 INFO [stderr]    |
Nov 28 20:44:34.689 INFO [stderr]    = note: this `Result` may be an `Err` variant, which should be handled
Nov 28 20:44:34.689 INFO [stderr] 
Nov 28 20:44:34.689 INFO [stderr] warning: unused `std::result::Result` that must be used
Nov 28 20:44:34.689 INFO [stderr]   --> src/main.rs:56:21
Nov 28 20:44:34.689 INFO [stderr]    |
Nov 28 20:44:34.689 INFO [stderr] 56 |                     incoming2.shutdown(Shutdown::Write);
Nov 28 20:44:34.689 INFO [stderr]    |                     ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
Nov 28 20:44:34.689 INFO [stderr]    |
Nov 28 20:44:34.689 INFO [stderr]    = note: this `Result` may be an `Err` variant, which should be handled
Nov 28 20:44:34.689 INFO [stderr] 
Nov 28 20:44:34.701 INFO [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 0.90s
Nov 28 20:44:34.702 INFO [stderr] su: No module specific data is present
Nov 28 20:44:34.971 INFO running `"docker" "inspect" "3ae84319f1eabd3e5fe7da68981b54496433e7c1fcd5de5b1a09da32b55095d7"`
Nov 28 20:44:35.045 INFO running `"docker" "rm" "-f" "3ae84319f1eabd3e5fe7da68981b54496433e7c1fcd5de5b1a09da32b55095d7"`
Nov 28 20:44:35.138 INFO [stdout] 3ae84319f1eabd3e5fe7da68981b54496433e7c1fcd5de5b1a09da32b55095d7