Nov 28 05:46:34.557 INFO checking erikjohnston/synapse-find-unreferenced-state-groups against try#db42d4dad33013eba11ef37342ad9f614e5652b8 for pr-56074
Nov 28 05:46:34.557 INFO running `"docker" "create" "-v" "/mnt/big/crater/work/local/target-dirs/pr-56074/worker-2/try#db42d4dad33013eba11ef37342ad9f614e5652b8:/target:rw,Z" "-v" "/mnt/big/crater/work/local/test-source/worker-2/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 05:46:35.019 INFO [stdout] 1eba711d1bbaa2076a86edecdabaec75d3cd0fef79d4dbf3a1d0871d90ac0f27
Nov 28 05:46:35.026 INFO running `"docker" "start" "-a" "1eba711d1bbaa2076a86edecdabaec75d3cd0fef79d4dbf3a1d0871d90ac0f27"`
Nov 28 05:46:36.312 INFO [stderr] usermod: no changes
Nov 28 05:46:36.596 INFO [stderr]     Checking postgres-protocol v0.3.2
Nov 28 05:46:36.598 INFO [stderr]     Checking console v0.6.2
Nov 28 05:46:39.840 INFO [stderr]     Checking postgres-shared v0.4.2
Nov 28 05:46:39.896 INFO [stderr]     Checking indicatif v0.9.0
Nov 28 05:46:43.666 INFO [stderr]     Checking postgres v0.15.2
Nov 28 05:46:46.078 INFO [stderr]     Checking rust-synapse-find-unreferenced-state-groups v0.1.0 (/source)
Nov 28 05:46:50.998 INFO [stderr] warning: unused `std::result::Result` that must be used
Nov 28 05:46:50.998 INFO [stderr]    --> src/main.rs:252:17
Nov 28 05:46:50.998 INFO [stderr]     |
Nov 28 05:46:50.998 INFO [stderr] 252 |                 writeln!(fs, "{}", state_group);
Nov 28 05:46:50.998 INFO [stderr]     |                 ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
Nov 28 05:46:50.998 INFO [stderr]     |
Nov 28 05:46:50.998 INFO [stderr]     = note: #[warn(unused_must_use)] on by default
Nov 28 05:46:50.998 INFO [stderr]     = note: this `Result` may be an `Err` variant, which should be handled
Nov 28 05:46:50.998 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 05:46:50.998 INFO [stderr] 
Nov 28 05:46:51.056 INFO [stderr] warning: unused `std::result::Result` that must be used
Nov 28 05:46:51.056 INFO [stderr]    --> src/main.rs:252:17
Nov 28 05:46:51.056 INFO [stderr]     |
Nov 28 05:46:51.057 INFO [stderr] 252 |                 writeln!(fs, "{}", state_group);
Nov 28 05:46:51.057 INFO [stderr]     |                 ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
Nov 28 05:46:51.058 INFO [stderr]     |
Nov 28 05:46:51.058 INFO [stderr]     = note: #[warn(unused_must_use)] on by default
Nov 28 05:46:51.059 INFO [stderr]     = note: this `Result` may be an `Err` variant, which should be handled
Nov 28 05:46:51.059 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 05:46:51.060 INFO [stderr] 
Nov 28 05:46:51.085 INFO [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 14.73s
Nov 28 05:46:51.094 INFO [stderr] su: No module specific data is present
Nov 28 05:46:52.458 INFO running `"docker" "inspect" "1eba711d1bbaa2076a86edecdabaec75d3cd0fef79d4dbf3a1d0871d90ac0f27"`
Nov 28 05:46:52.838 INFO running `"docker" "rm" "-f" "1eba711d1bbaa2076a86edecdabaec75d3cd0fef79d4dbf3a1d0871d90ac0f27"`
Nov 28 05:46:53.160 INFO [stdout] 1eba711d1bbaa2076a86edecdabaec75d3cd0fef79d4dbf3a1d0871d90ac0f27