[INFO] updating cached repository bluecereal/collisionV2
[INFO] running `"git" "fetch" "--all"`
[INFO] [stdout] Fetching origin
[INFO] [stderr] From git://github.com/bluecereal/collisionV2
[INFO] [stderr]  * branch            HEAD       -> FETCH_HEAD
[INFO] running `"git" "clone" "work/cache/sources/gh/bluecereal/collisionV2" "work/ex/beta-1.38-1/sources/1.37.0/gh/bluecereal/collisionV2"`
[INFO] [stderr] Cloning into 'work/ex/beta-1.38-1/sources/1.37.0/gh/bluecereal/collisionV2'...
[INFO] [stderr] done.
[INFO] running `"git" "clone" "work/cache/sources/gh/bluecereal/collisionV2" "work/ex/beta-1.38-1/sources/beta-2019-08-13/gh/bluecereal/collisionV2"`
[INFO] [stderr] Cloning into 'work/ex/beta-1.38-1/sources/beta-2019-08-13/gh/bluecereal/collisionV2'...
[INFO] [stderr] done.
[INFO] running `"git" "rev-parse" "HEAD"`
[INFO] [stdout] 834e94593a4263c76ac93a534bf130c8abe1a336
[INFO] sha for GitHub repo bluecereal/collisionV2: 834e94593a4263c76ac93a534bf130c8abe1a336
[INFO] validating manifest of bluecereal/collisionV2 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 bluecereal/collisionV2 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 bluecereal/collisionV2
[INFO] finished frobbing bluecereal/collisionV2
[INFO] frobbed toml for bluecereal/collisionV2 written to work/ex/beta-1.38-1/sources/1.37.0/gh/bluecereal/collisionV2/Cargo.toml
[INFO] started frobbing bluecereal/collisionV2
[INFO] finished frobbing bluecereal/collisionV2
[INFO] frobbed toml for bluecereal/collisionV2 written to work/ex/beta-1.38-1/sources/beta-2019-08-13/gh/bluecereal/collisionV2/Cargo.toml
[INFO] crate bluecereal/collisionV2 already has a lockfile, it will not be regenerated
[INFO] running `"/mnt/big/crater/work/local/cargo-home/bin/cargo" "+1.37.0" "fetch" "--locked" "--manifest-path" "Cargo.toml"`
[INFO] [stderr]     Blocking waiting for file lock on package cache
[INFO] [stderr] error: the lock file /mnt/big/crater/work/ex/beta-1.38-1/sources/1.37.0/gh/bluecereal/collisionV2/Cargo.lock needs to be updated but --locked was passed to prevent this
[INFO] the lockfile is outdated, regenerating it
[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] 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 bluecereal/collisionV2 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-4/1.37.0:/opt/crater/target:rw,Z" "-v" "/mnt/big/crater/work/ex/beta-1.38-1/sources/1.37.0/gh/bluecereal/collisionV2:/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] a0a2631edbd57099fcca79feae5dfae0d7017d2fef81f8cc405d6520a44ebd9a
[INFO] running `"docker" "start" "-a" "a0a2631edbd57099fcca79feae5dfae0d7017d2fef81f8cc405d6520a44ebd9a"`
[INFO] [stderr]    Compiling num-complex v0.2.3
[INFO] [stderr]    Compiling rand v0.6.5
[INFO] [stderr]    Compiling approx v0.3.2
[INFO] [stderr]    Compiling alga v0.9.1
[INFO] [stderr]    Compiling nalgebra v0.18.0
[INFO] [stderr]    Compiling collisionV2 v0.1.0 (/opt/crater/workdir)
[INFO] [stderr] warning: unused variable: `top_left`
[INFO] [stderr]   --> src/main.rs:61:9
[INFO] [stderr]    |
[INFO] [stderr] 61 |     let top_left = other_vector_iter.next();
[INFO] [stderr]    |         ^^^^^^^^ help: consider prefixing with an underscore: `_top_left`
[INFO] [stderr]    |
[INFO] [stderr]    = note: #[warn(unused_variables)] on by default
[INFO] [stderr] 
[INFO] [stderr] warning: unused variable: `bottom_right`
[INFO] [stderr]   --> src/main.rs:62:9
[INFO] [stderr]    |
[INFO] [stderr] 62 |     let bottom_right = other_vector_iter.next();
[INFO] [stderr]    |         ^^^^^^^^^^^^ help: consider prefixing with an underscore: `_bottom_right`
[INFO] [stderr] 
[INFO] [stderr] warning: variable does not need to be mutable
[INFO] [stderr]   --> src/main.rs:57:9
[INFO] [stderr]    |
[INFO] [stderr] 57 |     let mut this_vector_iter = this.dimensions.iter();
[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] warning: crate `collisionV2` should have a snake case name
[INFO] [stderr]   |
[INFO] [stderr]   = note: #[warn(non_snake_case)] on by default
[INFO] [stderr]   = help: convert the identifier to snake case: `collision_v2`
[INFO] [stderr] 
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 43.67s
[INFO] running `"docker" "inspect" "a0a2631edbd57099fcca79feae5dfae0d7017d2fef81f8cc405d6520a44ebd9a"`
[INFO] running `"docker" "rm" "-f" "a0a2631edbd57099fcca79feae5dfae0d7017d2fef81f8cc405d6520a44ebd9a"`
[INFO] [stdout] a0a2631edbd57099fcca79feae5dfae0d7017d2fef81f8cc405d6520a44ebd9a
[INFO] running `"docker" "create" "-v" "/mnt/big/crater/work/local/target-dirs/beta-1.38-1/worker-4/1.37.0:/opt/crater/target:rw,Z" "-v" "/mnt/big/crater/work/ex/beta-1.38-1/sources/1.37.0/gh/bluecereal/collisionV2:/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] 4d1e501f3965fecec8154c614d408470e84fba126a58a5c5b8702842e85dd6e3
[INFO] running `"docker" "start" "-a" "4d1e501f3965fecec8154c614d408470e84fba126a58a5c5b8702842e85dd6e3"`
[INFO] [stderr]    Compiling collisionV2 v0.1.0 (/opt/crater/workdir)
[INFO] [stderr] warning: unused variable: `top_left`
[INFO] [stderr]   --> src/main.rs:61:9
[INFO] [stderr]    |
[INFO] [stderr] 61 |     let top_left = other_vector_iter.next();
[INFO] [stderr]    |         ^^^^^^^^ help: consider prefixing with an underscore: `_top_left`
[INFO] [stderr]    |
[INFO] [stderr]    = note: #[warn(unused_variables)] on by default
[INFO] [stderr] 
[INFO] [stderr] warning: unused variable: `bottom_right`
[INFO] [stderr]   --> src/main.rs:62:9
[INFO] [stderr]    |
[INFO] [stderr] 62 |     let bottom_right = other_vector_iter.next();
[INFO] [stderr]    |         ^^^^^^^^^^^^ help: consider prefixing with an underscore: `_bottom_right`
[INFO] [stderr] 
[INFO] [stderr] warning: variable does not need to be mutable
[INFO] [stderr]   --> src/main.rs:57:9
[INFO] [stderr]    |
[INFO] [stderr] 57 |     let mut this_vector_iter = this.dimensions.iter();
[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] warning: crate `collisionV2` should have a snake case name
[INFO] [stderr]   |
[INFO] [stderr]   = note: #[warn(non_snake_case)] on by default
[INFO] [stderr]   = help: convert the identifier to snake case: `collision_v2`
[INFO] [stderr] 
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 1.01s
[INFO] running `"docker" "inspect" "4d1e501f3965fecec8154c614d408470e84fba126a58a5c5b8702842e85dd6e3"`
[INFO] running `"docker" "rm" "-f" "4d1e501f3965fecec8154c614d408470e84fba126a58a5c5b8702842e85dd6e3"`
[INFO] [stdout] 4d1e501f3965fecec8154c614d408470e84fba126a58a5c5b8702842e85dd6e3
[INFO] running `"docker" "create" "-v" "/mnt/big/crater/work/local/target-dirs/beta-1.38-1/worker-4/1.37.0:/opt/crater/target:rw,Z" "-v" "/mnt/big/crater/work/ex/beta-1.38-1/sources/1.37.0/gh/bluecereal/collisionV2:/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] 27ebe41593fd55e5364ae67cac11925ef6494486444001df21f9cadbd3d6c904
[INFO] running `"docker" "start" "-a" "27ebe41593fd55e5364ae67cac11925ef6494486444001df21f9cadbd3d6c904"`
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 0.05s
[INFO] [stderr]      Running /opt/crater/target/debug/deps/collisionV2-cc01024c6caa5ff5
[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" "27ebe41593fd55e5364ae67cac11925ef6494486444001df21f9cadbd3d6c904"`
[INFO] running `"docker" "rm" "-f" "27ebe41593fd55e5364ae67cac11925ef6494486444001df21f9cadbd3d6c904"`
[INFO] [stdout] 27ebe41593fd55e5364ae67cac11925ef6494486444001df21f9cadbd3d6c904