Dec 18 07:29:44.145 INFO checking Gisleburt/pfwd against try#0b8c5828f68d7b2840b81fa51239346dc97fef5a for pr-54252
Dec 18 07:29:44.145 INFO running `"docker" "create" "-v" "/mnt/big/crater/work/local/target-dirs/pr-54252/worker-2/try#0b8c5828f68d7b2840b81fa51239346dc97fef5a:/opt/crater/target:rw,Z" "-v" "/mnt/big/crater/work/ex/pr-54252/sources/try#0b8c5828f68d7b2840b81fa51239346dc97fef5a/gh/Gisleburt/pfwd:/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" "+0b8c5828f68d7b2840b81fa51239346dc97fef5a-alt" "check" "--frozen" "--all" "--all-targets"`
Dec 18 07:29:44.662 INFO [stdout] 5fe6dcf4b8d06bc5998e69809082c4d3427fd22b4834d5b467b7e3f04a703d26
Dec 18 07:29:44.664 INFO running `"docker" "start" "-a" "5fe6dcf4b8d06bc5998e69809082c4d3427fd22b4834d5b467b7e3f04a703d26"`
Dec 18 07:29:47.024 INFO [stderr]     Checking pfwd v0.1.1 (/opt/crater/workdir)
Dec 18 07:29:47.549 INFO [stderr] warning: unused `std::result::Result` that must be used
Dec 18 07:29:47.549 INFO [stderr]   --> src/main.rs:36:21
Dec 18 07:29:47.549 INFO [stderr]    |
Dec 18 07:29:47.549 INFO [stderr] 36 |                     tx1.send(());
Dec 18 07:29:47.549 INFO [stderr]    |                     ^^^^^^^^^^^^^
Dec 18 07:29:47.549 INFO [stderr]    |
Dec 18 07:29:47.549 INFO [stderr]    = note: #[warn(unused_must_use)] on by default
Dec 18 07:29:47.549 INFO [stderr]    = note: this `Result` may be an `Err` variant, which should be handled
Dec 18 07:29:47.549 INFO [stderr] 
Dec 18 07:29:47.549 INFO [stderr] warning: unused `std::result::Result` that must be used
Dec 18 07:29:47.549 INFO [stderr]   --> src/main.rs:37:21
Dec 18 07:29:47.549 INFO [stderr]    |
Dec 18 07:29:47.549 INFO [stderr] 37 |                     incoming.shutdown(Shutdown::Read);
Dec 18 07:29:47.549 INFO [stderr]    |                     ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
Dec 18 07:29:47.549 INFO [stderr]    |
Dec 18 07:29:47.549 INFO [stderr]    = note: this `Result` may be an `Err` variant, which should be handled
Dec 18 07:29:47.549 INFO [stderr] 
Dec 18 07:29:47.549 INFO [stderr] warning: unused `std::result::Result` that must be used
Dec 18 07:29:47.549 INFO [stderr]   --> src/main.rs:38:21
Dec 18 07:29:47.549 INFO [stderr]    |
Dec 18 07:29:47.549 INFO [stderr] 38 |                     outgoing.shutdown(Shutdown::Write);
Dec 18 07:29:47.549 INFO [stderr]    |                     ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
Dec 18 07:29:47.549 INFO [stderr]    |
Dec 18 07:29:47.549 INFO [stderr]    = note: this `Result` may be an `Err` variant, which should be handled
Dec 18 07:29:47.549 INFO [stderr] 
Dec 18 07:29:47.549 INFO [stderr] warning: unused `std::result::Result` that must be used
Dec 18 07:29:47.549 INFO [stderr]   --> src/main.rs:54:21
Dec 18 07:29:47.549 INFO [stderr]    |
Dec 18 07:29:47.549 INFO [stderr] 54 |                     tx2.send(());
Dec 18 07:29:47.549 INFO [stderr]    |                     ^^^^^^^^^^^^^
Dec 18 07:29:47.549 INFO [stderr]    |
Dec 18 07:29:47.549 INFO [stderr]    = note: this `Result` may be an `Err` variant, which should be handled
Dec 18 07:29:47.549 INFO [stderr] 
Dec 18 07:29:47.549 INFO [stderr] warning: unused `std::result::Result` that must be used
Dec 18 07:29:47.549 INFO [stderr]   --> src/main.rs:55:21
Dec 18 07:29:47.549 INFO [stderr]    |
Dec 18 07:29:47.549 INFO [stderr] 55 |                     outgoing2.shutdown(Shutdown::Read);
Dec 18 07:29:47.549 INFO [stderr]    |                     ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
Dec 18 07:29:47.549 INFO [stderr]    |
Dec 18 07:29:47.549 INFO [stderr]    = note: this `Result` may be an `Err` variant, which should be handled
Dec 18 07:29:47.549 INFO [stderr] 
Dec 18 07:29:47.549 INFO [stderr] warning: unused `std::result::Result` that must be used
Dec 18 07:29:47.549 INFO [stderr]   --> src/main.rs:56:21
Dec 18 07:29:47.549 INFO [stderr]    |
Dec 18 07:29:47.549 INFO [stderr] 56 |                     incoming2.shutdown(Shutdown::Write);
Dec 18 07:29:47.549 INFO [stderr]    |                     ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
Dec 18 07:29:47.549 INFO [stderr]    |
Dec 18 07:29:47.549 INFO [stderr]    = note: this `Result` may be an `Err` variant, which should be handled
Dec 18 07:29:47.549 INFO [stderr] 
Dec 18 07:29:47.608 INFO [stderr] warning: unused `std::result::Result` that must be used
Dec 18 07:29:47.608 INFO [stderr]   --> src/main.rs:36:21
Dec 18 07:29:47.608 INFO [stderr]    |
Dec 18 07:29:47.608 INFO [stderr] 36 |                     tx1.send(());
Dec 18 07:29:47.608 INFO [stderr]    |                     ^^^^^^^^^^^^^
Dec 18 07:29:47.608 INFO [stderr]    |
Dec 18 07:29:47.608 INFO [stderr]    = note: #[warn(unused_must_use)] on by default
Dec 18 07:29:47.608 INFO [stderr]    = note: this `Result` may be an `Err` variant, which should be handled
Dec 18 07:29:47.608 INFO [stderr] 
Dec 18 07:29:47.608 INFO [stderr] warning: unused `std::result::Result` that must be used
Dec 18 07:29:47.608 INFO [stderr]   --> src/main.rs:37:21
Dec 18 07:29:47.608 INFO [stderr]    |
Dec 18 07:29:47.608 INFO [stderr] 37 |                     incoming.shutdown(Shutdown::Read);
Dec 18 07:29:47.608 INFO [stderr]    |                     ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
Dec 18 07:29:47.608 INFO [stderr]    |
Dec 18 07:29:47.608 INFO [stderr]    = note: this `Result` may be an `Err` variant, which should be handled
Dec 18 07:29:47.608 INFO [stderr] 
Dec 18 07:29:47.608 INFO [stderr] warning: unused `std::result::Result` that must be used
Dec 18 07:29:47.608 INFO [stderr]   --> src/main.rs:38:21
Dec 18 07:29:47.608 INFO [stderr]    |
Dec 18 07:29:47.608 INFO [stderr] 38 |                     outgoing.shutdown(Shutdown::Write);
Dec 18 07:29:47.608 INFO [stderr]    |                     ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
Dec 18 07:29:47.608 INFO [stderr]    |
Dec 18 07:29:47.608 INFO [stderr]    = note: this `Result` may be an `Err` variant, which should be handled
Dec 18 07:29:47.608 INFO [stderr] 
Dec 18 07:29:47.608 INFO [stderr] warning: unused `std::result::Result` that must be used
Dec 18 07:29:47.608 INFO [stderr]   --> src/main.rs:54:21
Dec 18 07:29:47.608 INFO [stderr]    |
Dec 18 07:29:47.608 INFO [stderr] 54 |                     tx2.send(());
Dec 18 07:29:47.608 INFO [stderr]    |                     ^^^^^^^^^^^^^
Dec 18 07:29:47.608 INFO [stderr]    |
Dec 18 07:29:47.608 INFO [stderr]    = note: this `Result` may be an `Err` variant, which should be handled
Dec 18 07:29:47.608 INFO [stderr] 
Dec 18 07:29:47.608 INFO [stderr] warning: unused `std::result::Result` that must be used
Dec 18 07:29:47.608 INFO [stderr]   --> src/main.rs:55:21
Dec 18 07:29:47.608 INFO [stderr]    |
Dec 18 07:29:47.608 INFO [stderr] 55 |                     outgoing2.shutdown(Shutdown::Read);
Dec 18 07:29:47.608 INFO [stderr]    |                     ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
Dec 18 07:29:47.608 INFO [stderr]    |
Dec 18 07:29:47.608 INFO [stderr]    = note: this `Result` may be an `Err` variant, which should be handled
Dec 18 07:29:47.608 INFO [stderr] 
Dec 18 07:29:47.608 INFO [stderr] warning: unused `std::result::Result` that must be used
Dec 18 07:29:47.608 INFO [stderr]   --> src/main.rs:56:21
Dec 18 07:29:47.608 INFO [stderr]    |
Dec 18 07:29:47.608 INFO [stderr] 56 |                     incoming2.shutdown(Shutdown::Write);
Dec 18 07:29:47.608 INFO [stderr]    |                     ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
Dec 18 07:29:47.608 INFO [stderr]    |
Dec 18 07:29:47.608 INFO [stderr]    = note: this `Result` may be an `Err` variant, which should be handled
Dec 18 07:29:47.608 INFO [stderr] 
Dec 18 07:29:47.668 INFO [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 0.66s
Dec 18 07:29:48.848 INFO running `"docker" "inspect" "5fe6dcf4b8d06bc5998e69809082c4d3427fd22b4834d5b467b7e3f04a703d26"`
Dec 18 07:29:49.222 INFO running `"docker" "rm" "-f" "5fe6dcf4b8d06bc5998e69809082c4d3427fd22b4834d5b467b7e3f04a703d26"`
Dec 18 07:29:49.512 INFO [stdout] 5fe6dcf4b8d06bc5998e69809082c4d3427fd22b4834d5b467b7e3f04a703d26