[INFO] updating cached repository BonsaiDen/ik-prototype
[INFO] running `"git" "fetch" "--all"`
[INFO] [stdout] Fetching origin
[INFO] [stderr] From git://github.com/BonsaiDen/ik-prototype
[INFO] [stderr]  * branch            HEAD       -> FETCH_HEAD
[INFO] running `"git" "clone" "work/cache/sources/gh/BonsaiDen/ik-prototype" "work/ex/beta-1.37-6/sources/1.36.0/gh/BonsaiDen/ik-prototype"`
[INFO] [stderr] Cloning into 'work/ex/beta-1.37-6/sources/1.36.0/gh/BonsaiDen/ik-prototype'...
[INFO] [stderr] done.
[INFO] running `"git" "clone" "work/cache/sources/gh/BonsaiDen/ik-prototype" "work/ex/beta-1.37-6/sources/beta-2019-07-23/gh/BonsaiDen/ik-prototype"`
[INFO] [stderr] Cloning into 'work/ex/beta-1.37-6/sources/beta-2019-07-23/gh/BonsaiDen/ik-prototype'...
[INFO] [stderr] done.
[INFO] running `"git" "rev-parse" "HEAD"`
[INFO] [stdout] a29734dea490e963b844b474b312139955611c7e
[INFO] sha for GitHub repo BonsaiDen/ik-prototype: a29734dea490e963b844b474b312139955611c7e
[INFO] validating manifest of BonsaiDen/ik-prototype on toolchain 1.36.0
[INFO] running `"/mnt/big/crater/work/local/cargo-home/bin/cargo" "+1.36.0" "read-manifest" "--manifest-path" "Cargo.toml"`
[INFO] validating manifest of BonsaiDen/ik-prototype on toolchain beta-2019-07-23
[INFO] running `"/mnt/big/crater/work/local/cargo-home/bin/cargo" "+beta-2019-07-23" "read-manifest" "--manifest-path" "Cargo.toml"`
[INFO] started frobbing BonsaiDen/ik-prototype
[INFO] finished frobbing BonsaiDen/ik-prototype
[INFO] frobbed toml for BonsaiDen/ik-prototype written to work/ex/beta-1.37-6/sources/1.36.0/gh/BonsaiDen/ik-prototype/Cargo.toml
[INFO] started frobbing BonsaiDen/ik-prototype
[INFO] finished frobbing BonsaiDen/ik-prototype
[INFO] frobbed toml for BonsaiDen/ik-prototype written to work/ex/beta-1.37-6/sources/beta-2019-07-23/gh/BonsaiDen/ik-prototype/Cargo.toml
[INFO] crate BonsaiDen/ik-prototype already has a lockfile, it will not be regenerated
[INFO] running `"/mnt/big/crater/work/local/cargo-home/bin/cargo" "+1.36.0" "fetch" "--locked" "--manifest-path" "Cargo.toml"`
[INFO] running `"/mnt/big/crater/work/local/cargo-home/bin/cargo" "+beta-2019-07-23" "fetch" "--locked" "--manifest-path" "Cargo.toml"`
[INFO] testing BonsaiDen/ik-prototype against 1.36.0 for beta-1.37-6
[INFO] running `"docker" "create" "-v" "/mnt/big/crater/work/local/target-dirs/beta-1.37-6/worker-1/1.36.0:/opt/crater/target:rw,Z" "-v" "/mnt/big/crater/work/ex/beta-1.37-6/sources/1.36.0/gh/BonsaiDen/ik-prototype:/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" "+1.36.0" "build" "--frozen"`
[INFO] [stdout] d02f6822f6a566f214602188d9030f0fe0063a0ddf3040dfc4d40ab73d928408
[INFO] running `"docker" "start" "-a" "d02f6822f6a566f214602188d9030f0fe0063a0ddf3040dfc4d40ab73d928408"`
[INFO] [stderr]    Compiling num-traits v0.1.41
[INFO] [stderr]    Compiling downcast-rs v1.0.0
[INFO] [stderr]    Compiling line_drawing v0.6.0
[INFO] [stderr]    Compiling lean v0.1.0 (/opt/crater/workdir)
[INFO] [stderr] warning: unnecessary parentheses around function argument
[INFO] [stderr]    --> src/library/stick_figure.rs:542:42
[INFO] [stderr]     |
[INFO] [stderr] 542 |         let compression = Vec2::new(0.0, (self.compression * ((self.compression_timer * self.config.land_speed).min(3.41).sin()).max(0.0)));
[INFO] [stderr]     |                                          ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^ help: remove these parentheses
[INFO] [stderr]     |
[INFO] [stderr]     = note: #[warn(unused_parens)] on by default
[INFO] [stderr] 
[INFO] [stderr] warning: variable does not need to be mutable
[INFO] [stderr]    --> src/skeleton.rs:397:21
[INFO] [stderr]     |
[INFO] [stderr] 397 |                 let mut bone = &mut self.bones[*i];
[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 5.94s
[INFO] running `"docker" "inspect" "d02f6822f6a566f214602188d9030f0fe0063a0ddf3040dfc4d40ab73d928408"`
[INFO] running `"docker" "rm" "-f" "d02f6822f6a566f214602188d9030f0fe0063a0ddf3040dfc4d40ab73d928408"`
[INFO] [stdout] d02f6822f6a566f214602188d9030f0fe0063a0ddf3040dfc4d40ab73d928408
[INFO] running `"docker" "create" "-v" "/mnt/big/crater/work/local/target-dirs/beta-1.37-6/worker-1/1.36.0:/opt/crater/target:rw,Z" "-v" "/mnt/big/crater/work/ex/beta-1.37-6/sources/1.36.0/gh/BonsaiDen/ik-prototype:/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" "+1.36.0" "test" "--frozen" "--no-run"`
[INFO] [stdout] fc43ed74f966257943b425d674a8775e100f5cc436ff191fe463a80f8c2e26c8
[INFO] running `"docker" "start" "-a" "fc43ed74f966257943b425d674a8775e100f5cc436ff191fe463a80f8c2e26c8"`
[INFO] [stderr]    Compiling lean v0.1.0 (/opt/crater/workdir)
[INFO] [stderr] warning: unused import: `std::collections::HashMap`
[INFO] [stderr]  --> examples/foo.rs:4:5
[INFO] [stderr]   |
[INFO] [stderr] 4 | use std::collections::HashMap;
[INFO] [stderr]   |     ^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stderr]   |
[INFO] [stderr]   = note: #[warn(unused_imports)] on by default
[INFO] [stderr] 
[INFO] [stderr] warning: unnecessary parentheses around function argument
[INFO] [stderr]    --> src/library/stick_figure.rs:542:42
[INFO] [stderr]     |
[INFO] [stderr] 542 |         let compression = Vec2::new(0.0, (self.compression * ((self.compression_timer * self.config.land_speed).min(3.41).sin()).max(0.0)));
[INFO] [stderr]     |                                          ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^ help: remove these parentheses
[INFO] [stderr]     |
[INFO] [stderr]     = note: #[warn(unused_parens)] on by default
[INFO] [stderr] 
[INFO] [stderr] warning: variable does not need to be mutable
[INFO] [stderr]    --> src/skeleton.rs:397:21
[INFO] [stderr]     |
[INFO] [stderr] 397 |                 let mut bone = &mut self.bones[*i];
[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 3.98s
[INFO] running `"docker" "inspect" "fc43ed74f966257943b425d674a8775e100f5cc436ff191fe463a80f8c2e26c8"`
[INFO] running `"docker" "rm" "-f" "fc43ed74f966257943b425d674a8775e100f5cc436ff191fe463a80f8c2e26c8"`
[INFO] [stdout] fc43ed74f966257943b425d674a8775e100f5cc436ff191fe463a80f8c2e26c8
[INFO] running `"docker" "create" "-v" "/mnt/big/crater/work/local/target-dirs/beta-1.37-6/worker-1/1.36.0:/opt/crater/target:rw,Z" "-v" "/mnt/big/crater/work/ex/beta-1.37-6/sources/1.36.0/gh/BonsaiDen/ik-prototype:/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" "+1.36.0" "test" "--frozen"`
[INFO] [stdout] 1f1121193e9869364b49f7ae66ecbaf03837a6c7b2d737209e0169d9423fa20e
[INFO] running `"docker" "start" "-a" "1f1121193e9869364b49f7ae66ecbaf03837a6c7b2d737209e0169d9423fa20e"`
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 0.02s
[INFO] [stderr]      Running /opt/crater/target/debug/deps/lean-7573c0f57c40df5a
[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 lean
[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" "1f1121193e9869364b49f7ae66ecbaf03837a6c7b2d737209e0169d9423fa20e"`
[INFO] running `"docker" "rm" "-f" "1f1121193e9869364b49f7ae66ecbaf03837a6c7b2d737209e0169d9423fa20e"`
[INFO] [stdout] 1f1121193e9869364b49f7ae66ecbaf03837a6c7b2d737209e0169d9423fa20e