[INFO] crate polylabel-mini 0.1.0 is already in cache
[INFO] extracting crate polylabel-mini 0.1.0 into work/ex/beta-1.38-1/sources/1.37.0/reg/polylabel-mini/0.1.0
[INFO] extracting crate polylabel-mini 0.1.0 into work/ex/beta-1.38-1/sources/beta-2019-08-13/reg/polylabel-mini/0.1.0
[INFO] validating manifest of polylabel-mini-0.1.0 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 polylabel-mini-0.1.0 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 polylabel-mini-0.1.0
[INFO] finished frobbing polylabel-mini-0.1.0
[INFO] frobbed toml for polylabel-mini-0.1.0 written to work/ex/beta-1.38-1/sources/1.37.0/reg/polylabel-mini/0.1.0/Cargo.toml
[INFO] started frobbing polylabel-mini-0.1.0
[INFO] finished frobbing polylabel-mini-0.1.0
[INFO] frobbed toml for polylabel-mini-0.1.0 written to work/ex/beta-1.38-1/sources/beta-2019-08-13/reg/polylabel-mini/0.1.0/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 polylabel-mini-0.1.0 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-5/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/polylabel-mini/0.1.0:/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] 4086c8c083de47ee23a47afa6c538a9dea056b83a886c184e3bc8f308df61229
[INFO] running `"docker" "start" "-a" "4086c8c083de47ee23a47afa6c538a9dea056b83a886c184e3bc8f308df61229"`
[INFO] [stderr]    Compiling polylabel-mini v0.1.0 (/opt/crater/workdir)
[INFO] [stderr] warning: variable does not need to be mutable
[INFO] [stderr]    --> src/lib.rs:418:13
[INFO] [stderr]     |
[INFO] [stderr] 418 |         let mut new_dist = signed_distance(combo.0, combo.1, polygon);
[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 0.84s
[INFO] running `"docker" "inspect" "4086c8c083de47ee23a47afa6c538a9dea056b83a886c184e3bc8f308df61229"`
[INFO] running `"docker" "rm" "-f" "4086c8c083de47ee23a47afa6c538a9dea056b83a886c184e3bc8f308df61229"`
[INFO] [stdout] 4086c8c083de47ee23a47afa6c538a9dea056b83a886c184e3bc8f308df61229
[INFO] running `"docker" "create" "-v" "/mnt/big/crater/work/local/target-dirs/beta-1.38-1/worker-5/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/polylabel-mini/0.1.0:/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] fe99c95d5f4c43c67c769f564c1e4dc68c63026b9c6632311822d58152a47987
[INFO] running `"docker" "start" "-a" "fe99c95d5f4c43c67c769f564c1e4dc68c63026b9c6632311822d58152a47987"`
[INFO] [stderr]    Compiling polylabel-mini v0.1.0 (/opt/crater/workdir)
[INFO] [stderr] warning: variable does not need to be mutable
[INFO] [stderr]    --> src/lib.rs:418:13
[INFO] [stderr]     |
[INFO] [stderr] 418 |         let mut new_dist = signed_distance(combo.0, combo.1, polygon);
[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 0.71s
[INFO] running `"docker" "inspect" "fe99c95d5f4c43c67c769f564c1e4dc68c63026b9c6632311822d58152a47987"`
[INFO] running `"docker" "rm" "-f" "fe99c95d5f4c43c67c769f564c1e4dc68c63026b9c6632311822d58152a47987"`
[INFO] [stdout] fe99c95d5f4c43c67c769f564c1e4dc68c63026b9c6632311822d58152a47987
[INFO] running `"docker" "create" "-v" "/mnt/big/crater/work/local/target-dirs/beta-1.38-1/worker-5/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/polylabel-mini/0.1.0:/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] ff248ea0f74b62994f2c805594e3e7b8ee886c853b208795a1857bfb6fccb391
[INFO] running `"docker" "start" "-a" "ff248ea0f74b62994f2c805594e3e7b8ee886c853b208795a1857bfb6fccb391"`
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 0.01s
[INFO] [stderr]      Running /opt/crater/target/debug/deps/polylabel_mini-38241386d96d7674
[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 polylabel-mini
[INFO] [stdout] 
[INFO] [stdout] running 1 test
[INFO] [stdout] test src/lib.rs - polylabel (line 435) ... FAILED
[INFO] [stdout] 
[INFO] [stdout] failures:
[INFO] [stdout] 
[INFO] [stdout] ---- src/lib.rs - polylabel (line 435) stdout ----
[INFO] [stdout] error[E0463]: can't find crate for `geo`
[INFO] [stdout]  --> src/lib.rs:437:1
[INFO] [stdout]   |
[INFO] [stdout] 4 | extern crate geo;
[INFO] [stdout]   | ^^^^^^^^^^^^^^^^^ can't find crate
[INFO] [stdout] 
[INFO] [stdout] error: aborting due to previous error
[INFO] [stdout] 
[INFO] [stdout] For more information about this error, try `rustc --explain E0463`.
[INFO] [stdout] Couldn't compile the test.
[INFO] [stdout] 
[INFO] [stdout] failures:
[INFO] [stdout]     src/lib.rs - polylabel (line 435)
[INFO] [stdout] 
[INFO] [stdout] test result: FAILED. 0 passed; 1 failed; 0 ignored; 0 measured; 0 filtered out
[INFO] [stdout] 
[INFO] [stderr] error: test failed, to rerun pass '--doc'
[INFO] running `"docker" "inspect" "ff248ea0f74b62994f2c805594e3e7b8ee886c853b208795a1857bfb6fccb391"`
[INFO] running `"docker" "rm" "-f" "ff248ea0f74b62994f2c805594e3e7b8ee886c853b208795a1857bfb6fccb391"`
[INFO] [stdout] ff248ea0f74b62994f2c805594e3e7b8ee886c853b208795a1857bfb6fccb391