[INFO] updating cached repository anxiousmodernman/candypaint
[INFO] running `"git" "fetch" "--all"`
[INFO] [stdout] Fetching origin
[INFO] [stderr] From git://github.com/anxiousmodernman/candypaint
[INFO] [stderr]  * branch            HEAD       -> FETCH_HEAD
[INFO] running `"git" "clone" "work/cache/sources/gh/anxiousmodernman/candypaint" "work/ex/beta-1.38-1/sources/1.37.0/gh/anxiousmodernman/candypaint"`
[INFO] [stderr] Cloning into 'work/ex/beta-1.38-1/sources/1.37.0/gh/anxiousmodernman/candypaint'...
[INFO] [stderr] done.
[INFO] running `"git" "clone" "work/cache/sources/gh/anxiousmodernman/candypaint" "work/ex/beta-1.38-1/sources/beta-2019-08-13/gh/anxiousmodernman/candypaint"`
[INFO] [stderr] Cloning into 'work/ex/beta-1.38-1/sources/beta-2019-08-13/gh/anxiousmodernman/candypaint'...
[INFO] [stderr] done.
[INFO] running `"git" "rev-parse" "HEAD"`
[INFO] [stdout] 470b1077cf55cda7510a3dd16ce375b11bfcb692
[INFO] sha for GitHub repo anxiousmodernman/candypaint: 470b1077cf55cda7510a3dd16ce375b11bfcb692
[INFO] validating manifest of anxiousmodernman/candypaint 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 anxiousmodernman/candypaint 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 anxiousmodernman/candypaint
[INFO] finished frobbing anxiousmodernman/candypaint
[INFO] frobbed toml for anxiousmodernman/candypaint written to work/ex/beta-1.38-1/sources/1.37.0/gh/anxiousmodernman/candypaint/Cargo.toml
[INFO] started frobbing anxiousmodernman/candypaint
[INFO] finished frobbing anxiousmodernman/candypaint
[INFO] frobbed toml for anxiousmodernman/candypaint written to work/ex/beta-1.38-1/sources/beta-2019-08-13/gh/anxiousmodernman/candypaint/Cargo.toml
[INFO] crate anxiousmodernman/candypaint 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] 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 anxiousmodernman/candypaint 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-0/1.37.0:/opt/crater/target:rw,Z" "-v" "/mnt/big/crater/work/ex/beta-1.38-1/sources/1.37.0/gh/anxiousmodernman/candypaint:/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] fbd9ba8752e895fc693226fe1c0a48077f5ac76d6ff04d54846f8c4ba50e94db
[INFO] running `"docker" "start" "-a" "fbd9ba8752e895fc693226fe1c0a48077f5ac76d6ff04d54846f8c4ba50e94db"`
[INFO] [stderr]    Compiling candypaint v0.1.0 (/opt/crater/workdir)
[INFO] [stderr] warning: variable does not need to be mutable
[INFO] [stderr]   --> src/main.rs:85:13
[INFO] [stderr]    |
[INFO] [stderr] 85 |         let mut inc: bool;
[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 1.71s
[INFO] running `"docker" "inspect" "fbd9ba8752e895fc693226fe1c0a48077f5ac76d6ff04d54846f8c4ba50e94db"`
[INFO] running `"docker" "rm" "-f" "fbd9ba8752e895fc693226fe1c0a48077f5ac76d6ff04d54846f8c4ba50e94db"`
[INFO] [stdout] fbd9ba8752e895fc693226fe1c0a48077f5ac76d6ff04d54846f8c4ba50e94db
[INFO] running `"docker" "create" "-v" "/mnt/big/crater/work/local/target-dirs/beta-1.38-1/worker-0/1.37.0:/opt/crater/target:rw,Z" "-v" "/mnt/big/crater/work/ex/beta-1.38-1/sources/1.37.0/gh/anxiousmodernman/candypaint:/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] 89c9071c16bf0b8960b2c037bf45ed15ea597597f9f9facf4408d63bf1146c28
[INFO] running `"docker" "start" "-a" "89c9071c16bf0b8960b2c037bf45ed15ea597597f9f9facf4408d63bf1146c28"`
[INFO] [stderr]    Compiling candypaint v0.1.0 (/opt/crater/workdir)
[INFO] [stderr] warning: variable does not need to be mutable
[INFO] [stderr]   --> src/main.rs:85:13
[INFO] [stderr]    |
[INFO] [stderr] 85 |         let mut inc: bool;
[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 0.90s
[INFO] running `"docker" "inspect" "89c9071c16bf0b8960b2c037bf45ed15ea597597f9f9facf4408d63bf1146c28"`
[INFO] running `"docker" "rm" "-f" "89c9071c16bf0b8960b2c037bf45ed15ea597597f9f9facf4408d63bf1146c28"`
[INFO] [stdout] 89c9071c16bf0b8960b2c037bf45ed15ea597597f9f9facf4408d63bf1146c28
[INFO] running `"docker" "create" "-v" "/mnt/big/crater/work/local/target-dirs/beta-1.38-1/worker-0/1.37.0:/opt/crater/target:rw,Z" "-v" "/mnt/big/crater/work/ex/beta-1.38-1/sources/1.37.0/gh/anxiousmodernman/candypaint:/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] 957b7e5c9e0928c5af14cdd2663ad7974bdd70c869ad7254eb4fc83c9fe788ff
[INFO] running `"docker" "start" "-a" "957b7e5c9e0928c5af14cdd2663ad7974bdd70c869ad7254eb4fc83c9fe788ff"`
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 0.03s
[INFO] [stderr]      Running /opt/crater/target/debug/deps/candypaint-8805927dd0d72198
[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" "957b7e5c9e0928c5af14cdd2663ad7974bdd70c869ad7254eb4fc83c9fe788ff"`
[INFO] running `"docker" "rm" "-f" "957b7e5c9e0928c5af14cdd2663ad7974bdd70c869ad7254eb4fc83c9fe788ff"`
[INFO] [stdout] 957b7e5c9e0928c5af14cdd2663ad7974bdd70c869ad7254eb4fc83c9fe788ff