[INFO] crate merino 0.1.3 is already in cache
[INFO] extracting crate merino 0.1.3 into work/ex/beta-1.38-1/sources/1.37.0/reg/merino/0.1.3
[INFO] extracting crate merino 0.1.3 into work/ex/beta-1.38-1/sources/beta-2019-08-13/reg/merino/0.1.3
[INFO] validating manifest of merino-0.1.3 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 merino-0.1.3 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 merino-0.1.3
[INFO] finished frobbing merino-0.1.3
[INFO] frobbed toml for merino-0.1.3 written to work/ex/beta-1.38-1/sources/1.37.0/reg/merino/0.1.3/Cargo.toml
[INFO] started frobbing merino-0.1.3
[INFO] finished frobbing merino-0.1.3
[INFO] frobbed toml for merino-0.1.3 written to work/ex/beta-1.38-1/sources/beta-2019-08-13/reg/merino/0.1.3/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] [stderr]     Blocking waiting for file lock on package cache
[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] [stderr]     Blocking waiting for file lock on package cache
[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] [stderr]     Blocking waiting for file lock on package cache
[INFO] testing merino-0.1.3 against 1.37.0 for beta-1.38-1
[INFO] running `"docker" "create" "-v" "/mnt/big/crater/work/local/target-dirs/beta-1.38-1/worker-6/1.37.0:/opt/crater/target:rw,Z" "-v" "/mnt/big/crater/work/ex/beta-1.38-1/sources/1.37.0/reg/merino/0.1.3:/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" "+1.37.0" "build" "--frozen"`
[INFO] [stdout] ee6a923890dceb73ec6a07b2e98c5d0a9df327c4c703df6821dce5e34d875d53
[INFO] running `"docker" "start" "-a" "ee6a923890dceb73ec6a07b2e98c5d0a9df327c4c703df6821dce5e34d875d53"`
[INFO] [stderr]    Compiling bstr v0.2.7
[INFO] [stderr]    Compiling structopt-derive v0.2.18
[INFO] [stderr]    Compiling csv v1.1.1
[INFO] [stderr]    Compiling structopt v0.2.18
[INFO] [stderr]    Compiling merino v0.1.3 (/opt/crater/workdir)
[INFO] [stderr] warning: unused return value of `std::result::Result::<T, E>::is_ok` that must be used
[INFO] [stderr]    --> src/lib.rs:396:25
[INFO] [stderr]     |
[INFO] [stderr] 396 |                         copy(&mut outbound_in, &mut inbound_out).is_ok();
[INFO] [stderr]     |                         ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stderr]     |
[INFO] [stderr]     = note: #[warn(unused_must_use)] on by default
[INFO] [stderr] 
[INFO] [stderr] warning: unused return value of `std::result::Result::<T, E>::is_ok` that must be used
[INFO] [stderr]    --> src/lib.rs:403:25
[INFO] [stderr]     |
[INFO] [stderr] 403 |                         copy(&mut inbound_in, &mut outbound_out).is_ok();
[INFO] [stderr]     |                         ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stderr] 
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 11.87s
[INFO] running `"docker" "inspect" "ee6a923890dceb73ec6a07b2e98c5d0a9df327c4c703df6821dce5e34d875d53"`
[INFO] running `"docker" "rm" "-f" "ee6a923890dceb73ec6a07b2e98c5d0a9df327c4c703df6821dce5e34d875d53"`
[INFO] [stdout] ee6a923890dceb73ec6a07b2e98c5d0a9df327c4c703df6821dce5e34d875d53
[INFO] running `"docker" "create" "-v" "/mnt/big/crater/work/local/target-dirs/beta-1.38-1/worker-6/1.37.0:/opt/crater/target:rw,Z" "-v" "/mnt/big/crater/work/ex/beta-1.38-1/sources/1.37.0/reg/merino/0.1.3:/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" "+1.37.0" "test" "--frozen" "--no-run"`
[INFO] [stdout] 24c34fc4799c518b7134c584d7a28f600ae32172a30741dfd789949489d25721
[INFO] running `"docker" "start" "-a" "24c34fc4799c518b7134c584d7a28f600ae32172a30741dfd789949489d25721"`
[INFO] [stderr]    Compiling merino v0.1.3 (/opt/crater/workdir)
[INFO] [stderr] warning: unused return value of `std::result::Result::<T, E>::is_ok` that must be used
[INFO] [stderr]    --> src/lib.rs:396:25
[INFO] [stderr]     |
[INFO] [stderr] 396 |                         copy(&mut outbound_in, &mut inbound_out).is_ok();
[INFO] [stderr]     |                         ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stderr]     |
[INFO] [stderr]     = note: #[warn(unused_must_use)] on by default
[INFO] [stderr] 
[INFO] [stderr] warning: unused return value of `std::result::Result::<T, E>::is_ok` that must be used
[INFO] [stderr]    --> src/lib.rs:403:25
[INFO] [stderr]     |
[INFO] [stderr] 403 |                         copy(&mut inbound_in, &mut outbound_out).is_ok();
[INFO] [stderr]     |                         ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stderr] 
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 1.38s
[INFO] running `"docker" "inspect" "24c34fc4799c518b7134c584d7a28f600ae32172a30741dfd789949489d25721"`
[INFO] running `"docker" "rm" "-f" "24c34fc4799c518b7134c584d7a28f600ae32172a30741dfd789949489d25721"`
[INFO] [stdout] 24c34fc4799c518b7134c584d7a28f600ae32172a30741dfd789949489d25721
[INFO] running `"docker" "create" "-v" "/mnt/big/crater/work/local/target-dirs/beta-1.38-1/worker-6/1.37.0:/opt/crater/target:rw,Z" "-v" "/mnt/big/crater/work/ex/beta-1.38-1/sources/1.37.0/reg/merino/0.1.3:/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" "+1.37.0" "test" "--frozen"`
[INFO] [stdout] fa89210d6b3259c2565ad9306449cd4a6c1feb31e0859839b72f6ed9b1f7c3f6
[INFO] running `"docker" "start" "-a" "fa89210d6b3259c2565ad9306449cd4a6c1feb31e0859839b72f6ed9b1f7c3f6"`
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 0.05s
[INFO] [stdout] 
[INFO] [stderr]      Running /opt/crater/target/debug/deps/merino-dd4e32d3267f15d1
[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] [stderr]      Running /opt/crater/target/debug/deps/merino-f2f0a3f793b25efd
[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] [stderr]    Doc-tests merino
[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" "fa89210d6b3259c2565ad9306449cd4a6c1feb31e0859839b72f6ed9b1f7c3f6"`
[INFO] running `"docker" "rm" "-f" "fa89210d6b3259c2565ad9306449cd4a6c1feb31e0859839b72f6ed9b1f7c3f6"`
[INFO] [stdout] fa89210d6b3259c2565ad9306449cd4a6c1feb31e0859839b72f6ed9b1f7c3f6