[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 beta-2020-06-03 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-2/source"`
[INFO] [stderr] Cloning into '/workspace/builds/worker-2/source'...
[INFO] [stderr] done.
[INFO] validating manifest of git repo https://github.com/Enforcer/rusty-matching-engine on toolchain beta-2020-06-03
[INFO] running `"/workspace/cargo-home/bin/cargo" "+beta-2020-06-03" "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-2/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" "+beta-2020-06-03" "fetch" "--locked" "--manifest-path" "Cargo.toml"`
[INFO] [stderr]  Downloading crates ...
[INFO] [stderr]   Downloaded intrusive-collections v0.8.1
[INFO] running `"docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-2/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" "+beta-2020-06-03" "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] d8630d6e6865b04dfa6808528a6607e0d699c0cbadeda7255b30ae44883105e9
[INFO] running `"docker" "start" "-a" "d8630d6e6865b04dfa6808528a6607e0d699c0cbadeda7255b30ae44883105e9"`
[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 1.38s
[INFO] running `"docker" "inspect" "d8630d6e6865b04dfa6808528a6607e0d699c0cbadeda7255b30ae44883105e9"`
[INFO] running `"docker" "rm" "-f" "d8630d6e6865b04dfa6808528a6607e0d699c0cbadeda7255b30ae44883105e9"`
[INFO] [stdout] d8630d6e6865b04dfa6808528a6607e0d699c0cbadeda7255b30ae44883105e9
[INFO] running `"docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-2/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" "+beta-2020-06-03" "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] a9d70c240d48d0d37cd306f57b2dcebe9bf563b9b2bbe3bf3ba093ee1b0a45cf
[INFO] running `"docker" "start" "-a" "a9d70c240d48d0d37cd306f57b2dcebe9bf563b9b2bbe3bf3ba093ee1b0a45cf"`
[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 0.83s
[INFO] running `"docker" "inspect" "a9d70c240d48d0d37cd306f57b2dcebe9bf563b9b2bbe3bf3ba093ee1b0a45cf"`
[INFO] running `"docker" "rm" "-f" "a9d70c240d48d0d37cd306f57b2dcebe9bf563b9b2bbe3bf3ba093ee1b0a45cf"`
[INFO] [stdout] a9d70c240d48d0d37cd306f57b2dcebe9bf563b9b2bbe3bf3ba093ee1b0a45cf
[INFO] running `"docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-2/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" "+beta-2020-06-03" "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] 9e16e09fa8948cc627fc97cb67e1b7cbdc98dc8dc47a66ee37ac0ef9d38cc6c2
[INFO] running `"docker" "start" "-a" "9e16e09fa8948cc627fc97cb67e1b7cbdc98dc8dc47a66ee37ac0ef9d38cc6c2"`
[INFO] [stderr] sudo: setrlimit(RLIMIT_CORE): Operation not permitted
[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 0.01s
[INFO] [stderr]      Running /opt/rustwide/target/debug/deps/rusty_matching-3fdd7de027e08b65
[INFO] [stdout] 
[INFO] [stdout] running 7 tests
[INFO] [stdout] test orders::tests::test_order_matches ... ok
[INFO] [stdout] test tests::test_cross_order_ask ... ok
[INFO] [stdout] test tests::test_cheaper_ask_comes_in ... ok
[INFO] [stdout] test tests::test_cross_order_bid ... ok
[INFO] [stdout] test tests::test_market_order_buys_all ... ok
[INFO] [stdout] test orders::tests::test_order_from_str_ask ... ok
[INFO] [stdout] test orders::tests::test_order_from_str_bid ... 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" "9e16e09fa8948cc627fc97cb67e1b7cbdc98dc8dc47a66ee37ac0ef9d38cc6c2"`
[INFO] running `"docker" "rm" "-f" "9e16e09fa8948cc627fc97cb67e1b7cbdc98dc8dc47a66ee37ac0ef9d38cc6c2"`
[INFO] [stdout] 9e16e09fa8948cc627fc97cb67e1b7cbdc98dc8dc47a66ee37ac0ef9d38cc6c2