Nov 28 05:46:34.897 INFO checking erikjohnston/synapse-find-unreferenced-state-groups against master#0b9f19dff1347e29bf4362ab5a8fab84b43023b5 for pr-56074
Nov 28 05:46:34.898 INFO running `"docker" "create" "-v" "/mnt/big/crater/work/local/target-dirs/pr-56074/worker-3/master#0b9f19dff1347e29bf4362ab5a8fab84b43023b5:/target:rw,Z" "-v" "/mnt/big/crater/work/local/test-source/worker-3/pr-56074/master#0b9f19dff1347e29bf4362ab5a8fab84b43023b5:/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 +0b9f19dff1347e29bf4362ab5a8fab84b43023b5-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 05:46:35.285 INFO [stdout] 3259dea48c0d5fe97d4d1592fd3db3647bf417aeb25a97c184aa57131dd8a7e8
Nov 28 05:46:35.286 INFO running `"docker" "start" "-a" "3259dea48c0d5fe97d4d1592fd3db3647bf417aeb25a97c184aa57131dd8a7e8"`
Nov 28 05:46:36.599 INFO [stderr] usermod: no changes
Nov 28 05:46:36.909 INFO [stderr]     Checking hmac v0.5.0
Nov 28 05:46:36.913 INFO [stderr]     Checking console v0.6.2
Nov 28 05:46:37.432 INFO [stderr]     Checking postgres-protocol v0.3.2
Nov 28 05:46:39.845 INFO [stderr]     Checking indicatif v0.9.0
Nov 28 05:46:40.472 INFO [stderr]     Checking postgres-shared v0.4.2
Nov 28 05:46:43.881 INFO [stderr]     Checking postgres v0.15.2
Nov 28 05:46:45.956 INFO [stderr]     Checking rust-synapse-find-unreferenced-state-groups v0.1.0 (/source)
Nov 28 05:46:50.771 INFO [stderr] warning: unused `std::result::Result` that must be used
Nov 28 05:46:50.771 INFO [stderr]    --> src/main.rs:252:17
Nov 28 05:46:50.771 INFO [stderr]     |
Nov 28 05:46:50.771 INFO [stderr] 252 |                 writeln!(fs, "{}", state_group);
Nov 28 05:46:50.771 INFO [stderr]     |                 ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
Nov 28 05:46:50.771 INFO [stderr]     |
Nov 28 05:46:50.771 INFO [stderr]     = note: #[warn(unused_must_use)] on by default
Nov 28 05:46:50.771 INFO [stderr]     = note: this `Result` may be an `Err` variant, which should be handled
Nov 28 05:46:50.771 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 28 05:46:50.771 INFO [stderr] 
Nov 28 05:46:51.025 INFO [stderr] warning: unused `std::result::Result` that must be used
Nov 28 05:46:51.025 INFO [stderr]    --> src/main.rs:252:17
Nov 28 05:46:51.025 INFO [stderr]     |
Nov 28 05:46:51.025 INFO [stderr] 252 |                 writeln!(fs, "{}", state_group);
Nov 28 05:46:51.025 INFO [stderr]     |                 ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
Nov 28 05:46:51.025 INFO [stderr]     |
Nov 28 05:46:51.025 INFO [stderr]     = note: #[warn(unused_must_use)] on by default
Nov 28 05:46:51.025 INFO [stderr]     = note: this `Result` may be an `Err` variant, which should be handled
Nov 28 05:46:51.025 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 28 05:46:51.025 INFO [stderr] 
Nov 28 05:46:51.049 INFO [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 14.41s
Nov 28 05:46:51.066 INFO [stderr] su: No module specific data is present
Nov 28 05:46:52.257 INFO running `"docker" "inspect" "3259dea48c0d5fe97d4d1592fd3db3647bf417aeb25a97c184aa57131dd8a7e8"`
Nov 28 05:46:52.545 INFO running `"docker" "rm" "-f" "3259dea48c0d5fe97d4d1592fd3db3647bf417aeb25a97c184aa57131dd8a7e8"`
Nov 28 05:46:53.029 INFO [stdout] 3259dea48c0d5fe97d4d1592fd3db3647bf417aeb25a97c184aa57131dd8a7e8