[INFO] crate orderbook 0.1.7 is already in cache
[INFO] extracting crate orderbook 0.1.7 into work/ex/beta-1.38-1/sources/1.37.0/reg/orderbook/0.1.7
[INFO] extracting crate orderbook 0.1.7 into work/ex/beta-1.38-1/sources/beta-2019-08-13/reg/orderbook/0.1.7
[INFO] validating manifest of orderbook-0.1.7 on toolchain 1.37.0
[INFO] running `"/mnt/big/crater/work/local/cargo-home/bin/cargo" "+1.37.0" "read-manifest" "--manifest-path" "Cargo.toml"`
[INFO] validating manifest of orderbook-0.1.7 on toolchain beta-2019-08-13
[INFO] running `"/mnt/big/crater/work/local/cargo-home/bin/cargo" "+beta-2019-08-13" "read-manifest" "--manifest-path" "Cargo.toml"`
[INFO] started frobbing orderbook-0.1.7
[INFO] finished frobbing orderbook-0.1.7
[INFO] frobbed toml for orderbook-0.1.7 written to work/ex/beta-1.38-1/sources/1.37.0/reg/orderbook/0.1.7/Cargo.toml
[INFO] started frobbing orderbook-0.1.7
[INFO] finished frobbing orderbook-0.1.7
[INFO] frobbed toml for orderbook-0.1.7 written to work/ex/beta-1.38-1/sources/beta-2019-08-13/reg/orderbook/0.1.7/Cargo.toml
[INFO] running `"/mnt/big/crater/work/local/cargo-home/bin/cargo" "+1.37.0" "generate-lockfile" "--manifest-path" "Cargo.toml" "-Zno-index-update"`
[INFO] running `"/mnt/big/crater/work/local/cargo-home/bin/cargo" "+beta-2019-08-13" "generate-lockfile" "--manifest-path" "Cargo.toml" "-Zno-index-update"`
[INFO] running `"/mnt/big/crater/work/local/cargo-home/bin/cargo" "+1.37.0" "fetch" "--locked" "--manifest-path" "Cargo.toml"`
[INFO] running `"/mnt/big/crater/work/local/cargo-home/bin/cargo" "+beta-2019-08-13" "fetch" "--locked" "--manifest-path" "Cargo.toml"`
[INFO] testing orderbook-0.1.7 against beta-2019-08-13 for beta-1.38-1
[INFO] running `"docker" "create" "-v" "/mnt/big/crater/work/local/target-dirs/beta-1.38-1/worker-7/beta-2019-08-13:/opt/crater/target:rw,Z" "-v" "/mnt/big/crater/work/ex/beta-1.38-1/sources/beta-2019-08-13/reg/orderbook/0.1.7:/opt/crater/workdir:ro,Z" "-v" "/mnt/big/crater/work/local/cargo-home:/opt/crater/cargo-home:ro,Z" "-v" "/mnt/big/crater/work/local/rustup-home:/opt/crater/rustup-home:ro,Z" "-e" "USER_ID=1000" "-e" "SOURCE_DIR=/opt/crater/workdir" "-e" "MAP_USER_ID=1000" "-e" "CARGO_TARGET_DIR=/opt/crater/target" "-e" "CARGO_INCREMENTAL=0" "-e" "RUST_BACKTRACE=full" "-e" "RUSTFLAGS=--cap-lints=warn" "-e" "CARGO_HOME=/opt/crater/cargo-home" "-e" "RUSTUP_HOME=/opt/crater/rustup-home" "-w" "/opt/crater/workdir" "-m" "1536M" "--network" "none" "rustops/crates-build-env" "/opt/crater/cargo-home/bin/cargo" "+beta-2019-08-13" "build" "--frozen"`
[INFO] [stdout] 6ace08edd3d29fbd207d4075230ba1385e5dbf9c963331d5c5e6af78ab3bffe4
[INFO] running `"docker" "start" "-a" "6ace08edd3d29fbd207d4075230ba1385e5dbf9c963331d5c5e6af78ab3bffe4"`
[INFO] [stderr]     Blocking waiting for file lock on package cache
[INFO] [stderr]    Compiling uuid v0.7.4
[INFO] [stderr]    Compiling orderbook v0.1.7 (/opt/crater/workdir)
[INFO] [stderr] warning: variable does not need to be mutable
[INFO] [stderr]    --> src/ob.rs:117:17
[INFO] [stderr]     |
[INFO] [stderr] 117 |             let mut sz = &mut self.book[p_idx][0].0;
[INFO] [stderr]     |                 ----^^
[INFO] [stderr]     |                 |
[INFO] [stderr]     |                 help: remove this `mut`
[INFO] [stderr]     |
[INFO] [stderr]     = note: `#[warn(unused_mut)]` on by default
[INFO] [stderr] 
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 1.77s
[INFO] running `"docker" "inspect" "6ace08edd3d29fbd207d4075230ba1385e5dbf9c963331d5c5e6af78ab3bffe4"`
[INFO] running `"docker" "rm" "-f" "6ace08edd3d29fbd207d4075230ba1385e5dbf9c963331d5c5e6af78ab3bffe4"`
[INFO] [stdout] 6ace08edd3d29fbd207d4075230ba1385e5dbf9c963331d5c5e6af78ab3bffe4
[INFO] running `"docker" "create" "-v" "/mnt/big/crater/work/local/target-dirs/beta-1.38-1/worker-7/beta-2019-08-13:/opt/crater/target:rw,Z" "-v" "/mnt/big/crater/work/ex/beta-1.38-1/sources/beta-2019-08-13/reg/orderbook/0.1.7:/opt/crater/workdir:ro,Z" "-v" "/mnt/big/crater/work/local/cargo-home:/opt/crater/cargo-home:ro,Z" "-v" "/mnt/big/crater/work/local/rustup-home:/opt/crater/rustup-home:ro,Z" "-e" "USER_ID=1000" "-e" "SOURCE_DIR=/opt/crater/workdir" "-e" "MAP_USER_ID=1000" "-e" "CARGO_TARGET_DIR=/opt/crater/target" "-e" "CARGO_INCREMENTAL=0" "-e" "RUST_BACKTRACE=full" "-e" "RUSTFLAGS=--cap-lints=warn" "-e" "CARGO_HOME=/opt/crater/cargo-home" "-e" "RUSTUP_HOME=/opt/crater/rustup-home" "-w" "/opt/crater/workdir" "-m" "1536M" "--network" "none" "rustops/crates-build-env" "/opt/crater/cargo-home/bin/cargo" "+beta-2019-08-13" "test" "--frozen" "--no-run"`
[INFO] [stdout] 65f38534a0285a8515744906cd5560e832fc9d98ab3f7ac23bd1be2b90d1ded6
[INFO] running `"docker" "start" "-a" "65f38534a0285a8515744906cd5560e832fc9d98ab3f7ac23bd1be2b90d1ded6"`
[INFO] [stderr]    Compiling tokio-tls v0.2.1
[INFO] [stderr]    Compiling tungstenite v0.6.1
[INFO] [stderr]    Compiling pretty_env_logger v0.3.1
[INFO] [stderr]    Compiling tokio-uds v0.2.5
[INFO] [stderr]    Compiling tokio-fs v0.1.6
[INFO] [stderr]    Compiling tokio-udp v0.1.3
[INFO] [stderr]    Compiling tokio v0.1.22
[INFO] [stderr]    Compiling tokio-dns-unofficial v0.3.1
[INFO] [stderr]    Compiling hyper v0.12.33
[INFO] [stderr]    Compiling tokio-tungstenite v0.6.0
[INFO] [stderr]    Compiling hyper-tls v0.3.2
[INFO] [stderr]    Compiling coinbase-pro-rs v0.2.9
[INFO] [stderr]    Compiling orderbook v0.1.7 (/opt/crater/workdir)
[INFO] [stderr] warning: variable does not need to be mutable
[INFO] [stderr]    --> src/ob.rs:117:17
[INFO] [stderr]     |
[INFO] [stderr] 117 |             let mut sz = &mut self.book[p_idx][0].0;
[INFO] [stderr]     |                 ----^^
[INFO] [stderr]     |                 |
[INFO] [stderr]     |                 help: remove this `mut`
[INFO] [stderr]     |
[INFO] [stderr]     = note: `#[warn(unused_mut)]` on by default
[INFO] [stderr] 
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 27.15s
[INFO] running `"docker" "inspect" "65f38534a0285a8515744906cd5560e832fc9d98ab3f7ac23bd1be2b90d1ded6"`
[INFO] running `"docker" "rm" "-f" "65f38534a0285a8515744906cd5560e832fc9d98ab3f7ac23bd1be2b90d1ded6"`
[INFO] [stdout] 65f38534a0285a8515744906cd5560e832fc9d98ab3f7ac23bd1be2b90d1ded6
[INFO] running `"docker" "create" "-v" "/mnt/big/crater/work/local/target-dirs/beta-1.38-1/worker-7/beta-2019-08-13:/opt/crater/target:rw,Z" "-v" "/mnt/big/crater/work/ex/beta-1.38-1/sources/beta-2019-08-13/reg/orderbook/0.1.7:/opt/crater/workdir:ro,Z" "-v" "/mnt/big/crater/work/local/cargo-home:/opt/crater/cargo-home:ro,Z" "-v" "/mnt/big/crater/work/local/rustup-home:/opt/crater/rustup-home:ro,Z" "-e" "USER_ID=1000" "-e" "SOURCE_DIR=/opt/crater/workdir" "-e" "MAP_USER_ID=1000" "-e" "CARGO_TARGET_DIR=/opt/crater/target" "-e" "CARGO_INCREMENTAL=0" "-e" "RUST_BACKTRACE=full" "-e" "RUSTFLAGS=--cap-lints=warn" "-e" "CARGO_HOME=/opt/crater/cargo-home" "-e" "RUSTUP_HOME=/opt/crater/rustup-home" "-w" "/opt/crater/workdir" "-m" "1536M" "--network" "none" "rustops/crates-build-env" "/opt/crater/cargo-home/bin/cargo" "+beta-2019-08-13" "test" "--frozen"`
[INFO] [stdout] 2b77152c4fc5ba5140a433d6bc8d67274d47dd23907d4b879a94ca01b495156e
[INFO] running `"docker" "start" "-a" "2b77152c4fc5ba5140a433d6bc8d67274d47dd23907d4b879a94ca01b495156e"`
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 0.16s
[INFO] [stderr]      Running /opt/crater/target/debug/deps/orderbook-42a16f5dd0ead7c1
[INFO] [stdout] 
[INFO] [stdout] running 3 tests
[INFO] [stdout] test ob::tests::test_match ... ok
[INFO] [stdout] test ob::tests::test_display ... ok
[INFO] [stdout] test ob::tests::test_done ... ok
[INFO] [stdout] 
[INFO] [stdout] test result: ok. 3 passed; 0 failed; 0 ignored; 0 measured; 0 filtered out
[INFO] [stdout] 
[INFO] [stderr]    Doc-tests orderbook
[INFO] [stdout] 
[INFO] [stdout] running 0 tests
[INFO] [stdout] 
[INFO] [stdout] test result: ok. 0 passed; 0 failed; 0 ignored; 0 measured; 0 filtered out
[INFO] [stdout] 
[INFO] running `"docker" "inspect" "2b77152c4fc5ba5140a433d6bc8d67274d47dd23907d4b879a94ca01b495156e"`
[INFO] running `"docker" "rm" "-f" "2b77152c4fc5ba5140a433d6bc8d67274d47dd23907d4b879a94ca01b495156e"`
[INFO] [stdout] 2b77152c4fc5ba5140a433d6bc8d67274d47dd23907d4b879a94ca01b495156e