[INFO] updating cached repository pczora/rusty_douglas
[INFO] running `"git" "fetch" "--all"`
[INFO] [stdout] Fetching origin
[INFO] [stderr] From git://github.com/pczora/rusty_douglas
[INFO] [stderr]  * branch            HEAD       -> FETCH_HEAD
[INFO] running `"git" "clone" "work/cache/sources/gh/pczora/rusty_douglas" "work/ex/beta-1.37-6/sources/1.36.0/gh/pczora/rusty_douglas"`
[INFO] [stderr] Cloning into 'work/ex/beta-1.37-6/sources/1.36.0/gh/pczora/rusty_douglas'...
[INFO] [stderr] done.
[INFO] running `"git" "clone" "work/cache/sources/gh/pczora/rusty_douglas" "work/ex/beta-1.37-6/sources/beta-2019-07-23/gh/pczora/rusty_douglas"`
[INFO] [stderr] Cloning into 'work/ex/beta-1.37-6/sources/beta-2019-07-23/gh/pczora/rusty_douglas'...
[INFO] [stderr] done.
[INFO] running `"git" "rev-parse" "HEAD"`
[INFO] [stdout] eb5aade06334c6821cac23938f31d1490ae537a6
[INFO] sha for GitHub repo pczora/rusty_douglas: eb5aade06334c6821cac23938f31d1490ae537a6
[INFO] validating manifest of pczora/rusty_douglas 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 pczora/rusty_douglas 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 pczora/rusty_douglas
[INFO] finished frobbing pczora/rusty_douglas
[INFO] frobbed toml for pczora/rusty_douglas written to work/ex/beta-1.37-6/sources/1.36.0/gh/pczora/rusty_douglas/Cargo.toml
[INFO] started frobbing pczora/rusty_douglas
[INFO] finished frobbing pczora/rusty_douglas
[INFO] frobbed toml for pczora/rusty_douglas written to work/ex/beta-1.37-6/sources/beta-2019-07-23/gh/pczora/rusty_douglas/Cargo.toml
[INFO] crate pczora/rusty_douglas 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 pczora/rusty_douglas 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-0/1.36.0:/opt/crater/target:rw,Z" "-v" "/mnt/big/crater/work/ex/beta-1.37-6/sources/1.36.0/gh/pczora/rusty_douglas:/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] 1c446405903047b4cc99b828c9c93db27ae042e376bc589ba030c747335bc06e
[INFO] running `"docker" "start" "-a" "1c446405903047b4cc99b828c9c93db27ae042e376bc589ba030c747335bc06e"`
[INFO] [stderr]    Compiling douglas_peucker v0.0.1 (/opt/crater/workdir)
[INFO] [stderr] warning: value assigned to `d` is never read
[INFO] [stderr]   --> src/main.rs:24:13
[INFO] [stderr]    |
[INFO] [stderr] 24 |     let mut d = 0.0;
[INFO] [stderr]    |             ^
[INFO] [stderr]    |
[INFO] [stderr]    = note: #[warn(unused_assignments)] on by default
[INFO] [stderr]    = help: maybe it is overwritten before being read?
[INFO] [stderr] 
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 0.47s
[INFO] running `"docker" "inspect" "1c446405903047b4cc99b828c9c93db27ae042e376bc589ba030c747335bc06e"`
[INFO] running `"docker" "rm" "-f" "1c446405903047b4cc99b828c9c93db27ae042e376bc589ba030c747335bc06e"`
[INFO] [stdout] 1c446405903047b4cc99b828c9c93db27ae042e376bc589ba030c747335bc06e
[INFO] running `"docker" "create" "-v" "/mnt/big/crater/work/local/target-dirs/beta-1.37-6/worker-0/1.36.0:/opt/crater/target:rw,Z" "-v" "/mnt/big/crater/work/ex/beta-1.37-6/sources/1.36.0/gh/pczora/rusty_douglas:/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] dcaac1a46f7acdaaf1ba6c2684d23744d0708b4cb46965859c417fc9b5516633
[INFO] running `"docker" "start" "-a" "dcaac1a46f7acdaaf1ba6c2684d23744d0708b4cb46965859c417fc9b5516633"`
[INFO] [stderr]    Compiling douglas_peucker v0.0.1 (/opt/crater/workdir)
[INFO] [stderr] warning: value assigned to `d` is never read
[INFO] [stderr]   --> src/main.rs:24:13
[INFO] [stderr]    |
[INFO] [stderr] 24 |     let mut d = 0.0;
[INFO] [stderr]    |             ^
[INFO] [stderr]    |
[INFO] [stderr]    = note: #[warn(unused_assignments)] on by default
[INFO] [stderr]    = help: maybe it is overwritten before being read?
[INFO] [stderr] 
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 0.43s
[INFO] running `"docker" "inspect" "dcaac1a46f7acdaaf1ba6c2684d23744d0708b4cb46965859c417fc9b5516633"`
[INFO] running `"docker" "rm" "-f" "dcaac1a46f7acdaaf1ba6c2684d23744d0708b4cb46965859c417fc9b5516633"`
[INFO] [stdout] dcaac1a46f7acdaaf1ba6c2684d23744d0708b4cb46965859c417fc9b5516633
[INFO] running `"docker" "create" "-v" "/mnt/big/crater/work/local/target-dirs/beta-1.37-6/worker-0/1.36.0:/opt/crater/target:rw,Z" "-v" "/mnt/big/crater/work/ex/beta-1.37-6/sources/1.36.0/gh/pczora/rusty_douglas:/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] 8ae37de2ff59f89af4c8a899b52431b4277d9d8961d18bd4aea2f4b1a184286b
[INFO] running `"docker" "start" "-a" "8ae37de2ff59f89af4c8a899b52431b4277d9d8961d18bd4aea2f4b1a184286b"`
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 0.01s
[INFO] [stderr]      Running /opt/crater/target/debug/deps/douglas_peucker-38e3709c654f6537
[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" "8ae37de2ff59f89af4c8a899b52431b4277d9d8961d18bd4aea2f4b1a184286b"`
[INFO] running `"docker" "rm" "-f" "8ae37de2ff59f89af4c8a899b52431b4277d9d8961d18bd4aea2f4b1a184286b"`
[INFO] [stdout] 8ae37de2ff59f89af4c8a899b52431b4277d9d8961d18bd4aea2f4b1a184286b