[INFO] cloning repository https://github.com/Enforcer/rusty-matching-engine
[INFO] running `"git" "-c" "credential.helper=" "-c" "credential.helper=/workspace/cargo-home/bin/git-credential-null" "clone" "--bare" "https://github.com/Enforcer/rusty-matching-engine" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2FEnforcer%2Frusty-matching-engine"`
[INFO] [stderr] Cloning into bare repository '/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2FEnforcer%2Frusty-matching-engine'...
[INFO] running `"git" "rev-parse" "HEAD"`
[INFO] [stdout] c8d09d2db5201bf104e00ca2d0dbe57792b61fc7
[INFO] testing Enforcer/rusty-matching-engine against 1.44.0 for beta-1.45-1
[INFO] running `"git" "clone" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2FEnforcer%2Frusty-matching-engine" "/workspace/builds/worker-6/source"`
[INFO] [stderr] Cloning into '/workspace/builds/worker-6/source'...
[INFO] [stderr] done.
[INFO] validating manifest of git repo https://github.com/Enforcer/rusty-matching-engine on toolchain 1.44.0
[INFO] running `"/workspace/cargo-home/bin/cargo" "+1.44.0" "read-manifest" "--manifest-path" "Cargo.toml"`
[INFO] started tweaking git repo https://github.com/Enforcer/rusty-matching-engine
[INFO] finished tweaking git repo https://github.com/Enforcer/rusty-matching-engine
[INFO] tweaked toml for git repo https://github.com/Enforcer/rusty-matching-engine written to /workspace/builds/worker-6/source/Cargo.toml
[INFO] crate git repo https://github.com/Enforcer/rusty-matching-engine already has a lockfile, it will not be regenerated
[INFO] running `"/workspace/cargo-home/bin/cargo" "+1.44.0" "fetch" "--locked" "--manifest-path" "Cargo.toml"`
[INFO] running `"docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-6/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-6/source:/opt/rustwide/workdir:ro,Z" "-v" "/var/lib/crater-agent-workspace/cargo-home:/opt/rustwide/cargo-home:ro,Z" "-v" "/var/lib/crater-agent-workspace/rustup-home:/opt/rustwide/rustup-home:ro,Z" "-e" "SOURCE_DIR=/opt/rustwide/workdir" "-e" "MAP_USER_ID=0" "-e" "CARGO_TARGET_DIR=/opt/rustwide/target" "-e" "CARGO_INCREMENTAL=0" "-e" "RUST_BACKTRACE=full" "-e" "RUSTFLAGS=--cap-lints=warn" "-e" "CARGO_HOME=/opt/rustwide/cargo-home" "-e" "RUSTUP_HOME=/opt/rustwide/rustup-home" "-w" "/opt/rustwide/workdir" "-m" "1610612736" "--network" "none" "rustops/crates-build-env" "/opt/rustwide/cargo-home/bin/cargo" "+1.44.0" "build" "--frozen"`
[INFO] [stderr] WARNING: Your kernel does not support swap limit capabilities or the cgroup is not mounted. Memory limited without swap.
[INFO] [stdout] 315d53bd1bbbbe87916d80374b44ae0767ffcc991d246c924fdcdd065fec6577
[INFO] running `"docker" "start" "-a" "315d53bd1bbbbe87916d80374b44ae0767ffcc991d246c924fdcdd065fec6577"`
[INFO] [stderr] sudo: setrlimit(RLIMIT_CORE): Operation not permitted
[INFO] [stderr]    Compiling text_io v0.1.7
[INFO] [stderr]    Compiling intrusive-collections v0.8.1
[INFO] [stderr]    Compiling rusty_matching v0.1.0 (/opt/rustwide/workdir)
[INFO] [stderr] warning: unnecessary parentheses around type
[INFO] [stderr]   --> src/main.rs:39:6
[INFO] [stderr]    |
[INFO] [stderr] 39 | ) -> (VecDeque<Trade>) {
[INFO] [stderr]    |      ^^^^^^^^^^^^^^^^^ help: remove these parentheses
[INFO] [stderr]    |
[INFO] [stderr]    = note: `#[warn(unused_parens)]` on by default
[INFO] [stderr] 
[INFO] [stderr] warning: 1 warning emitted
[INFO] [stderr] 
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 1.36s
[INFO] running `"docker" "inspect" "315d53bd1bbbbe87916d80374b44ae0767ffcc991d246c924fdcdd065fec6577"`
[INFO] running `"docker" "rm" "-f" "315d53bd1bbbbe87916d80374b44ae0767ffcc991d246c924fdcdd065fec6577"`
[INFO] [stdout] 315d53bd1bbbbe87916d80374b44ae0767ffcc991d246c924fdcdd065fec6577
[INFO] running `"docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-6/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-6/source:/opt/rustwide/workdir:ro,Z" "-v" "/var/lib/crater-agent-workspace/cargo-home:/opt/rustwide/cargo-home:ro,Z" "-v" "/var/lib/crater-agent-workspace/rustup-home:/opt/rustwide/rustup-home:ro,Z" "-e" "SOURCE_DIR=/opt/rustwide/workdir" "-e" "MAP_USER_ID=0" "-e" "CARGO_TARGET_DIR=/opt/rustwide/target" "-e" "CARGO_INCREMENTAL=0" "-e" "RUST_BACKTRACE=full" "-e" "RUSTFLAGS=--cap-lints=warn" "-e" "CARGO_HOME=/opt/rustwide/cargo-home" "-e" "RUSTUP_HOME=/opt/rustwide/rustup-home" "-w" "/opt/rustwide/workdir" "-m" "1610612736" "--network" "none" "rustops/crates-build-env" "/opt/rustwide/cargo-home/bin/cargo" "+1.44.0" "test" "--frozen" "--no-run"`
[INFO] [stderr] WARNING: Your kernel does not support swap limit capabilities or the cgroup is not mounted. Memory limited without swap.
[INFO] [stdout] 8999ae8ce7e7638eac8c5248257ed0eef8e9c55cb5b8067673ad9cfdce7e5ac0
[INFO] running `"docker" "start" "-a" "8999ae8ce7e7638eac8c5248257ed0eef8e9c55cb5b8067673ad9cfdce7e5ac0"`
[INFO] [stderr] sudo: setrlimit(RLIMIT_CORE): Operation not permitted
[INFO] [stderr]    Compiling rusty_matching v0.1.0 (/opt/rustwide/workdir)
[INFO] [stderr] warning: unnecessary parentheses around type
[INFO] [stderr]   --> src/main.rs:39:6
[INFO] [stderr]    |
[INFO] [stderr] 39 | ) -> (VecDeque<Trade>) {
[INFO] [stderr]    |      ^^^^^^^^^^^^^^^^^ help: remove these parentheses
[INFO] [stderr]    |
[INFO] [stderr]    = note: `#[warn(unused_parens)]` on by default
[INFO] [stderr] 
[INFO] [stderr] warning: 1 warning emitted
[INFO] [stderr] 
[INFO] [stderr]     Finished test [unoptimized + debuginfo] target(s) in 0.95s
[INFO] running `"docker" "inspect" "8999ae8ce7e7638eac8c5248257ed0eef8e9c55cb5b8067673ad9cfdce7e5ac0"`
[INFO] running `"docker" "rm" "-f" "8999ae8ce7e7638eac8c5248257ed0eef8e9c55cb5b8067673ad9cfdce7e5ac0"`
[INFO] [stdout] 8999ae8ce7e7638eac8c5248257ed0eef8e9c55cb5b8067673ad9cfdce7e5ac0
[INFO] running `"docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-6/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-6/source:/opt/rustwide/workdir:ro,Z" "-v" "/var/lib/crater-agent-workspace/cargo-home:/opt/rustwide/cargo-home:ro,Z" "-v" "/var/lib/crater-agent-workspace/rustup-home:/opt/rustwide/rustup-home:ro,Z" "-e" "SOURCE_DIR=/opt/rustwide/workdir" "-e" "MAP_USER_ID=0" "-e" "CARGO_TARGET_DIR=/opt/rustwide/target" "-e" "CARGO_INCREMENTAL=0" "-e" "RUST_BACKTRACE=full" "-e" "RUSTFLAGS=--cap-lints=warn" "-e" "CARGO_HOME=/opt/rustwide/cargo-home" "-e" "RUSTUP_HOME=/opt/rustwide/rustup-home" "-w" "/opt/rustwide/workdir" "-m" "1610612736" "--network" "none" "rustops/crates-build-env" "/opt/rustwide/cargo-home/bin/cargo" "+1.44.0" "test" "--frozen"`
[INFO] [stderr] WARNING: Your kernel does not support swap limit capabilities or the cgroup is not mounted. Memory limited without swap.
[INFO] [stdout] 5bfc5ebebf1e648a421e9dbe79b17df25d983868e94abbeca3b4262c6efe95ad
[INFO] running `"docker" "start" "-a" "5bfc5ebebf1e648a421e9dbe79b17df25d983868e94abbeca3b4262c6efe95ad"`
[INFO] [stderr] sudo: setrlimit(RLIMIT_CORE): Operation not permitted
[INFO] [stderr]     Blocking waiting for file lock on package cache
[INFO] [stderr]     Blocking waiting for file lock on package cache
[INFO] [stderr] warning: unnecessary parentheses around type
[INFO] [stdout] 
[INFO] [stderr]   --> src/main.rs:39:6
[INFO] [stdout] running 7 tests
[INFO] [stderr]    |
[INFO] [stdout] test orders::tests::test_order_from_str_bid ... ok
[INFO] [stderr] 39 | ) -> (VecDeque<Trade>) {
[INFO] [stdout] test tests::test_cross_order_bid ... ok
[INFO] [stderr]    |      ^^^^^^^^^^^^^^^^^ help: remove these parentheses
[INFO] [stdout] test tests::test_market_order_buys_all ... ok
[INFO] [stderr]    |
[INFO] [stdout] test orders::tests::test_order_matches ... ok
[INFO] [stderr]    = note: `#[warn(unused_parens)]` on by default
[INFO] [stderr] 
[INFO] [stderr] warning: 1 warning emitted
[INFO] [stderr] 
[INFO] [stderr]     Finished test [unoptimized + debuginfo] target(s) in 0.21s
[INFO] [stderr]      Running /opt/rustwide/target/debug/deps/rusty_matching-4d1827ada06d4789
[INFO] [stdout] test tests::test_cheaper_ask_comes_in ... ok
[INFO] [stdout] test tests::test_cross_order_ask ... ok
[INFO] [stdout] test orders::tests::test_order_from_str_ask ... ok
[INFO] [stdout] 
[INFO] [stdout] test result: ok. 7 passed; 0 failed; 0 ignored; 0 measured; 0 filtered out
[INFO] [stdout] 
[INFO] running `"docker" "inspect" "5bfc5ebebf1e648a421e9dbe79b17df25d983868e94abbeca3b4262c6efe95ad"`
[INFO] running `"docker" "rm" "-f" "5bfc5ebebf1e648a421e9dbe79b17df25d983868e94abbeca3b4262c6efe95ad"`
[INFO] [stdout] 5bfc5ebebf1e648a421e9dbe79b17df25d983868e94abbeca3b4262c6efe95ad