Dec 12 02:38:22.686 INFO checking Gisleburt/pfwd against try#aa9aa79c3c583aab59ac9134542d60a780c35e2e for pr-56677
Dec 12 02:38:22.686 INFO running `"docker" "create" "-v" "/mnt/big/crater/work/local/target-dirs/pr-56677/worker-2/try#aa9aa79c3c583aab59ac9134542d60a780c35e2e:/target:rw,Z" "-v" "/mnt/big/crater/work/local/test-source/worker-2/pr-56677/try#aa9aa79c3c583aab59ac9134542d60a780c35e2e:/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 +aa9aa79c3c583aab59ac9134542d60a780c35e2e-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 12 02:38:23.132 INFO [stdout] 08dcbb3e75c267a0e27b7b15f717b8e020cbe7b18869e72b519481777e827db9
Dec 12 02:38:23.135 INFO running `"docker" "start" "-a" "08dcbb3e75c267a0e27b7b15f717b8e020cbe7b18869e72b519481777e827db9"`
Dec 12 02:38:24.917 INFO [stderr] usermod: no changes
Dec 12 02:38:25.032 INFO [stderr]     Checking pfwd v0.1.1 (/source)
Dec 12 02:38:25.876 INFO [stderr] warning: unused `std::result::Result` that must be used
Dec 12 02:38:25.876 INFO [stderr]   --> src/main.rs:36:21
Dec 12 02:38:25.876 INFO [stderr]    |
Dec 12 02:38:25.877 INFO [stderr] 36 |                     tx1.send(());
Dec 12 02:38:25.877 INFO [stderr]    |                     ^^^^^^^^^^^^^
Dec 12 02:38:25.877 INFO [stderr]    |
Dec 12 02:38:25.877 INFO [stderr]    = note: #[warn(unused_must_use)] on by default
Dec 12 02:38:25.878 INFO [stderr]    = note: this `Result` may be an `Err` variant, which should be handled
Dec 12 02:38:25.878 INFO [stderr] 
Dec 12 02:38:25.878 INFO [stderr] warning: unused `std::result::Result` that must be used
Dec 12 02:38:25.878 INFO [stderr]   --> src/main.rs:37:21
Dec 12 02:38:25.878 INFO [stderr]    |
Dec 12 02:38:25.879 INFO [stderr] 37 |                     incoming.shutdown(Shutdown::Read);
Dec 12 02:38:25.879 INFO [stderr]    |                     ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
Dec 12 02:38:25.879 INFO [stderr]    |
Dec 12 02:38:25.879 INFO [stderr]    = note: this `Result` may be an `Err` variant, which should be handled
Dec 12 02:38:25.879 INFO [stderr] 
Dec 12 02:38:25.880 INFO [stderr] warning: unused `std::result::Result` that must be used
Dec 12 02:38:25.880 INFO [stderr]   --> src/main.rs:38:21
Dec 12 02:38:25.880 INFO [stderr]    |
Dec 12 02:38:25.880 INFO [stderr] 38 |                     outgoing.shutdown(Shutdown::Write);
Dec 12 02:38:25.881 INFO [stderr]    |                     ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
Dec 12 02:38:25.881 INFO [stderr]    |
Dec 12 02:38:25.881 INFO [stderr]    = note: this `Result` may be an `Err` variant, which should be handled
Dec 12 02:38:25.881 INFO [stderr] 
Dec 12 02:38:25.881 INFO [stderr] warning: unused `std::result::Result` that must be used
Dec 12 02:38:25.881 INFO [stderr]   --> src/main.rs:54:21
Dec 12 02:38:25.882 INFO [stderr]    |
Dec 12 02:38:25.882 INFO [stderr] 54 |                     tx2.send(());
Dec 12 02:38:25.882 INFO [stderr]    |                     ^^^^^^^^^^^^^
Dec 12 02:38:25.882 INFO [stderr]    |
Dec 12 02:38:25.883 INFO [stderr]    = note: this `Result` may be an `Err` variant, which should be handled
Dec 12 02:38:25.883 INFO [stderr] 
Dec 12 02:38:25.883 INFO [stderr] warning: unused `std::result::Result` that must be used
Dec 12 02:38:25.883 INFO [stderr]   --> src/main.rs:55:21
Dec 12 02:38:25.883 INFO [stderr]    |
Dec 12 02:38:25.884 INFO [stderr] 55 |                     outgoing2.shutdown(Shutdown::Read);
Dec 12 02:38:25.884 INFO [stderr]    |                     ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
Dec 12 02:38:25.884 INFO [stderr]    |
Dec 12 02:38:25.884 INFO [stderr]    = note: this `Result` may be an `Err` variant, which should be handled
Dec 12 02:38:25.884 INFO [stderr] 
Dec 12 02:38:25.885 INFO [stderr] warning: unused `std::result::Result` that must be used
Dec 12 02:38:25.885 INFO [stderr]   --> src/main.rs:56:21
Dec 12 02:38:25.885 INFO [stderr]    |
Dec 12 02:38:25.885 INFO [stderr] 56 |                     incoming2.shutdown(Shutdown::Write);
Dec 12 02:38:25.886 INFO [stderr]    |                     ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
Dec 12 02:38:25.886 INFO [stderr]    |
Dec 12 02:38:25.886 INFO [stderr]    = note: this `Result` may be an `Err` variant, which should be handled
Dec 12 02:38:25.886 INFO [stderr] 
Dec 12 02:38:26.084 INFO [stderr] warning: unused `std::result::Result` that must be used
Dec 12 02:38:26.084 INFO [stderr]   --> src/main.rs:36:21
Dec 12 02:38:26.084 INFO [stderr]    |
Dec 12 02:38:26.084 INFO [stderr] 36 |                     tx1.send(());
Dec 12 02:38:26.085 INFO [stderr]    |                     ^^^^^^^^^^^^^
Dec 12 02:38:26.085 INFO [stderr]    |
Dec 12 02:38:26.085 INFO [stderr]    = note: #[warn(unused_must_use)] on by default
Dec 12 02:38:26.086 INFO [stderr]    = note: this `Result` may be an `Err` variant, which should be handled
Dec 12 02:38:26.086 INFO [stderr] 
Dec 12 02:38:26.086 INFO [stderr] warning: unused `std::result::Result` that must be used
Dec 12 02:38:26.086 INFO [stderr]   --> src/main.rs:37:21
Dec 12 02:38:26.086 INFO [stderr]    |
Dec 12 02:38:26.087 INFO [stderr] 37 |                     incoming.shutdown(Shutdown::Read);
Dec 12 02:38:26.087 INFO [stderr]    |                     ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
Dec 12 02:38:26.087 INFO [stderr]    |
Dec 12 02:38:26.087 INFO [stderr]    = note: this `Result` may be an `Err` variant, which should be handled
Dec 12 02:38:26.088 INFO [stderr] 
Dec 12 02:38:26.088 INFO [stderr] warning: unused `std::result::Result` that must be used
Dec 12 02:38:26.088 INFO [stderr]   --> src/main.rs:38:21
Dec 12 02:38:26.088 INFO [stderr]    |
Dec 12 02:38:26.089 INFO [stderr] 38 |                     outgoing.shutdown(Shutdown::Write);
Dec 12 02:38:26.089 INFO [stderr]    |                     ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
Dec 12 02:38:26.089 INFO [stderr]    |
Dec 12 02:38:26.089 INFO [stderr]    = note: this `Result` may be an `Err` variant, which should be handled
Dec 12 02:38:26.090 INFO [stderr] 
Dec 12 02:38:26.090 INFO [stderr] warning: unused `std::result::Result` that must be used
Dec 12 02:38:26.090 INFO [stderr]   --> src/main.rs:54:21
Dec 12 02:38:26.090 INFO [stderr]    |
Dec 12 02:38:26.091 INFO [stderr] 54 |                     tx2.send(());
Dec 12 02:38:26.091 INFO [stderr]    |                     ^^^^^^^^^^^^^
Dec 12 02:38:26.091 INFO [stderr]    |
Dec 12 02:38:26.091 INFO [stderr]    = note: this `Result` may be an `Err` variant, which should be handled
Dec 12 02:38:26.092 INFO [stderr] 
Dec 12 02:38:26.092 INFO [stderr] warning: unused `std::result::Result` that must be used
Dec 12 02:38:26.092 INFO [stderr]   --> src/main.rs:55:21
Dec 12 02:38:26.092 INFO [stderr]    |
Dec 12 02:38:26.092 INFO [stderr] 55 |                     outgoing2.shutdown(Shutdown::Read);
Dec 12 02:38:26.092 INFO [stderr]    |                     ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
Dec 12 02:38:26.093 INFO [stderr]    |
Dec 12 02:38:26.093 INFO [stderr]    = note: this `Result` may be an `Err` variant, which should be handled
Dec 12 02:38:26.093 INFO [stderr] 
Dec 12 02:38:26.093 INFO [stderr] warning: unused `std::result::Result` that must be used
Dec 12 02:38:26.093 INFO [stderr]   --> src/main.rs:56:21
Dec 12 02:38:26.093 INFO [stderr]    |
Dec 12 02:38:26.094 INFO [stderr] 56 |                     incoming2.shutdown(Shutdown::Write);
Dec 12 02:38:26.094 INFO [stderr]    |                     ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
Dec 12 02:38:26.094 INFO [stderr]    |
Dec 12 02:38:26.094 INFO [stderr]    = note: this `Result` may be an `Err` variant, which should be handled
Dec 12 02:38:26.094 INFO [stderr] 
Dec 12 02:38:26.113 INFO [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 1.13s
Dec 12 02:38:26.127 INFO [stderr] su: No module specific data is present
Dec 12 02:38:27.677 INFO running `"docker" "inspect" "08dcbb3e75c267a0e27b7b15f717b8e020cbe7b18869e72b519481777e827db9"`
Dec 12 02:38:28.024 INFO running `"docker" "rm" "-f" "08dcbb3e75c267a0e27b7b15f717b8e020cbe7b18869e72b519481777e827db9"`
Dec 12 02:38:28.396 INFO [stdout] 08dcbb3e75c267a0e27b7b15f717b8e020cbe7b18869e72b519481777e827db9