Nov 30 03:21:49.421 INFO checking erikjohnston/synapse-find-unreferenced-state-groups against master#a49316ddc99d9d595193557fc899f6c52e4d9af9 for pr-56323
Nov 30 03:21:49.421 INFO running `"docker" "create" "-v" "/mnt/big/crater/work/local/target-dirs/pr-56323/worker-3/master#a49316ddc99d9d595193557fc899f6c52e4d9af9:/target:rw,Z" "-v" "/mnt/big/crater/work/local/test-source/worker-3/pr-56323/master#a49316ddc99d9d595193557fc899f6c52e4d9af9:/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 +a49316ddc99d9d595193557fc899f6c52e4d9af9-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 30 03:21:49.866 INFO [stdout] 5fcca67bd362dfae1597a29844097066e3cd8dc7866b43a581c1565100a6b709
Nov 30 03:21:49.868 INFO running `"docker" "start" "-a" "5fcca67bd362dfae1597a29844097066e3cd8dc7866b43a581c1565100a6b709"`
Nov 30 03:21:51.248 INFO [stderr] usermod: no changes
Nov 30 03:21:51.620 INFO [stderr]     Checking termios v0.3.0
Nov 30 03:21:51.620 INFO [stderr]     Checking phf_shared v0.7.23
Nov 30 03:21:51.620 INFO [stderr]     Checking postgres-protocol v0.3.2
Nov 30 03:21:52.774 INFO [stderr]     Checking phf v0.7.23
Nov 30 03:21:52.859 INFO [stderr]     Checking console v0.6.2
Nov 30 03:21:55.405 INFO [stderr]     Checking postgres-shared v0.4.2
Nov 30 03:21:55.938 INFO [stderr]     Checking indicatif v0.9.0
Nov 30 03:21:59.346 INFO [stderr]     Checking postgres v0.15.2
Nov 30 03:22:01.604 INFO [stderr]     Checking rust-synapse-find-unreferenced-state-groups v0.1.0 (/source)
Nov 30 03:22:06.548 INFO [stderr] warning: unused `std::result::Result` that must be used
Nov 30 03:22:06.548 INFO [stderr]    --> src/main.rs:252:17
Nov 30 03:22:06.548 INFO [stderr]     |
Nov 30 03:22:06.548 INFO [stderr] 252 |                 writeln!(fs, "{}", state_group);
Nov 30 03:22:06.548 INFO [stderr]     |                 ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
Nov 30 03:22:06.548 INFO [stderr]     |
Nov 30 03:22:06.548 INFO [stderr]     = note: #[warn(unused_must_use)] on by default
Nov 30 03:22:06.548 INFO [stderr]     = note: this `Result` may be an `Err` variant, which should be handled
Nov 30 03:22:06.548 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 30 03:22:06.548 INFO [stderr] 
Nov 30 03:22:06.635 INFO [stderr] warning: unused `std::result::Result` that must be used
Nov 30 03:22:06.635 INFO [stderr]    --> src/main.rs:252:17
Nov 30 03:22:06.636 INFO [stderr]     |
Nov 30 03:22:06.636 INFO [stderr] 252 |                 writeln!(fs, "{}", state_group);
Nov 30 03:22:06.636 INFO [stderr]     |                 ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
Nov 30 03:22:06.636 INFO [stderr]     |
Nov 30 03:22:06.636 INFO [stderr]     = note: #[warn(unused_must_use)] on by default
Nov 30 03:22:06.636 INFO [stderr]     = note: this `Result` may be an `Err` variant, which should be handled
Nov 30 03:22:06.636 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 30 03:22:06.636 INFO [stderr] 
Nov 30 03:22:06.673 INFO [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 15.40s
Nov 30 03:22:06.682 INFO [stderr] su: No module specific data is present
Nov 30 03:22:08.385 INFO running `"docker" "inspect" "5fcca67bd362dfae1597a29844097066e3cd8dc7866b43a581c1565100a6b709"`
Nov 30 03:22:08.782 INFO running `"docker" "rm" "-f" "5fcca67bd362dfae1597a29844097066e3cd8dc7866b43a581c1565100a6b709"`
Nov 30 03:22:09.140 INFO [stdout] 5fcca67bd362dfae1597a29844097066e3cd8dc7866b43a581c1565100a6b709