Nov 17 03:31:07.370 INFO testing erikjohnston/synapse-find-unreferenced-state-groups against master#6b9b97bd9b704f85f0184f7a213cc4d62bd9654c for pr-55982
Nov 17 03:31:07.372 INFO running `"docker" "create" "-v" "/mnt/big/crater/work/local/target-dirs/pr-55982/worker-2/master#6b9b97bd9b704f85f0184f7a213cc4d62bd9654c:/target:rw,Z" "-v" "/mnt/big/crater/work/local/test-source/worker-2/pr-55982/master#6b9b97bd9b704f85f0184f7a213cc4d62bd9654c:/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 +6b9b97bd9b704f85f0184f7a213cc4d62bd9654c-alt build --frozen" "-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 17 03:31:07.983 INFO [stdout] 89014d522322e4da4fc26a8d52a32cb0beb963618236ed59ecbb799f3ec6185f
Nov 17 03:31:07.991 INFO running `"docker" "start" "-a" "89014d522322e4da4fc26a8d52a32cb0beb963618236ed59ecbb799f3ec6185f"`
Nov 17 03:31:09.051 INFO [stderr] usermod: no changes
Nov 17 03:31:09.331 INFO [stderr]    Compiling fallible-iterator v0.1.5
Nov 17 03:31:09.335 INFO [stderr]    Compiling socket2 v0.3.8
Nov 17 03:31:09.342 INFO [stderr]    Compiling stringprep v0.1.2
Nov 17 03:31:09.342 INFO [stderr]    Compiling phf v0.7.23
Nov 17 03:31:09.356 INFO [stderr]    Compiling console v0.6.2
Nov 17 03:31:14.915 INFO [stderr]    Compiling indicatif v0.9.0
Nov 17 03:31:17.931 INFO [stderr]    Compiling postgres-protocol v0.3.2
Nov 17 03:31:22.365 INFO [stderr]    Compiling postgres-shared v0.4.2
Nov 17 03:31:26.384 INFO [stderr]    Compiling postgres v0.15.2
Nov 17 03:31:31.849 INFO [stderr]    Compiling rust-synapse-find-unreferenced-state-groups v0.1.0 (/source)
Nov 17 03:31:34.411 INFO [stderr] warning: unused `std::result::Result` that must be used
Nov 17 03:31:34.411 INFO [stderr]    --> src/main.rs:252:17
Nov 17 03:31:34.411 INFO [stderr]     |
Nov 17 03:31:34.411 INFO [stderr] 252 |                 writeln!(fs, "{}", state_group);
Nov 17 03:31:34.411 INFO [stderr]     |                 ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
Nov 17 03:31:34.411 INFO [stderr]     |
Nov 17 03:31:34.411 INFO [stderr]     = note: #[warn(unused_must_use)] on by default
Nov 17 03:31:34.411 INFO [stderr]     = note: this `Result` may be an `Err` variant, which should be handled
Nov 17 03:31:34.411 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 17 03:31:34.411 INFO [stderr] 
Nov 17 03:31:39.643 INFO [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 30.57s
Nov 17 03:31:39.651 INFO [stderr] su: No module specific data is present
Nov 17 03:31:40.881 INFO running `"docker" "inspect" "89014d522322e4da4fc26a8d52a32cb0beb963618236ed59ecbb799f3ec6185f"`
Nov 17 03:31:41.303 INFO running `"docker" "rm" "-f" "89014d522322e4da4fc26a8d52a32cb0beb963618236ed59ecbb799f3ec6185f"`
Nov 17 03:31:41.661 INFO [stdout] 89014d522322e4da4fc26a8d52a32cb0beb963618236ed59ecbb799f3ec6185f
Nov 17 03:31:41.673 INFO running `"docker" "create" "-v" "/mnt/big/crater/work/local/target-dirs/pr-55982/worker-2/master#6b9b97bd9b704f85f0184f7a213cc4d62bd9654c:/target:rw,Z" "-v" "/mnt/big/crater/work/local/test-source/worker-2/pr-55982/master#6b9b97bd9b704f85f0184f7a213cc4d62bd9654c:/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 +6b9b97bd9b704f85f0184f7a213cc4d62bd9654c-alt test --frozen --no-run" "-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 17 03:31:42.244 INFO [stdout] 72bc00c4364afa68df93ae8d5be94970f8116f7ef6829d299fddaeeeb4fd3bc1
Nov 17 03:31:42.248 INFO running `"docker" "start" "-a" "72bc00c4364afa68df93ae8d5be94970f8116f7ef6829d299fddaeeeb4fd3bc1"`
Nov 17 03:31:43.313 INFO [stderr] usermod: no changes
Nov 17 03:31:43.515 INFO [stderr]    Compiling rust-synapse-find-unreferenced-state-groups v0.1.0 (/source)
Nov 17 03:31:46.164 INFO [stderr] warning: unused `std::result::Result` that must be used
Nov 17 03:31:46.165 INFO [stderr]    --> src/main.rs:252:17
Nov 17 03:31:46.165 INFO [stderr]     |
Nov 17 03:31:46.165 INFO [stderr] 252 |                 writeln!(fs, "{}", state_group);
Nov 17 03:31:46.165 INFO [stderr]     |                 ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
Nov 17 03:31:46.166 INFO [stderr]     |
Nov 17 03:31:46.166 INFO [stderr]     = note: #[warn(unused_must_use)] on by default
Nov 17 03:31:46.166 INFO [stderr]     = note: this `Result` may be an `Err` variant, which should be handled
Nov 17 03:31:46.166 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 17 03:31:46.166 INFO [stderr] 
Nov 17 03:31:46.650 INFO [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 3.31s
Nov 17 03:31:46.687 INFO [stderr] su: No module specific data is present
Nov 17 03:31:48.015 INFO running `"docker" "inspect" "72bc00c4364afa68df93ae8d5be94970f8116f7ef6829d299fddaeeeb4fd3bc1"`
Nov 17 03:31:48.314 INFO running `"docker" "rm" "-f" "72bc00c4364afa68df93ae8d5be94970f8116f7ef6829d299fddaeeeb4fd3bc1"`
Nov 17 03:31:48.675 INFO [stdout] 72bc00c4364afa68df93ae8d5be94970f8116f7ef6829d299fddaeeeb4fd3bc1
Nov 17 03:31:48.682 INFO running `"docker" "create" "-v" "/mnt/big/crater/work/local/target-dirs/pr-55982/worker-2/master#6b9b97bd9b704f85f0184f7a213cc4d62bd9654c:/target:rw,Z" "-v" "/mnt/big/crater/work/local/test-source/worker-2/pr-55982/master#6b9b97bd9b704f85f0184f7a213cc4d62bd9654c:/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 +6b9b97bd9b704f85f0184f7a213cc4d62bd9654c-alt test --frozen" "-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 17 03:31:49.201 INFO [stdout] 49665d50df5b02dbb15acdb59cfb165fd126505f74cc98a3f5a6337f28741bfd
Nov 17 03:31:49.201 INFO running `"docker" "start" "-a" "49665d50df5b02dbb15acdb59cfb165fd126505f74cc98a3f5a6337f28741bfd"`
Nov 17 03:31:50.600 INFO [stderr] usermod: no changes
Nov 17 03:31:50.854 INFO [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 0.21s
Nov 17 03:31:50.871 INFO [stderr]      Running /target/debug/deps/rust_synapse_find_unreferenced_state_groups-b4e75def9416008c
Nov 17 03:31:50.875 INFO [stdout] 
Nov 17 03:31:50.875 INFO [stdout] running 0 tests
Nov 17 03:31:50.875 INFO [stdout] 
Nov 17 03:31:50.875 INFO [stdout] test result: ok. 0 passed; 0 failed; 0 ignored; 0 measured; 0 filtered out
Nov 17 03:31:50.875 INFO [stdout] 
Nov 17 03:31:50.878 INFO [stderr] su: No module specific data is present
Nov 17 03:31:52.111 INFO running `"docker" "inspect" "49665d50df5b02dbb15acdb59cfb165fd126505f74cc98a3f5a6337f28741bfd"`
Nov 17 03:31:52.401 INFO running `"docker" "rm" "-f" "49665d50df5b02dbb15acdb59cfb165fd126505f74cc98a3f5a6337f28741bfd"`
Nov 17 03:31:52.831 INFO [stdout] 49665d50df5b02dbb15acdb59cfb165fd126505f74cc98a3f5a6337f28741bfd