[INFO] updating cached repository samhattangady/brushstrokes
[INFO] running `"git" "fetch" "--all"`
[INFO] [stdout] Fetching origin
[INFO] [stderr] From git://github.com/samhattangady/brushstrokes
[INFO] [stderr]  * branch            HEAD       -> FETCH_HEAD
[INFO] running `"git" "clone" "work/cache/sources/gh/samhattangady/brushstrokes" "work/ex/beta-1.38-1/sources/1.37.0/gh/samhattangady/brushstrokes"`
[INFO] [stderr] Cloning into 'work/ex/beta-1.38-1/sources/1.37.0/gh/samhattangady/brushstrokes'...
[INFO] [stderr] done.
[INFO] running `"git" "clone" "work/cache/sources/gh/samhattangady/brushstrokes" "work/ex/beta-1.38-1/sources/beta-2019-08-13/gh/samhattangady/brushstrokes"`
[INFO] [stderr] Cloning into 'work/ex/beta-1.38-1/sources/beta-2019-08-13/gh/samhattangady/brushstrokes'...
[INFO] [stderr] done.
[INFO] running `"git" "rev-parse" "HEAD"`
[INFO] [stdout] a73d46ec8b6329553b7d9bbc41fb18a4eb8e4b24
[INFO] sha for GitHub repo samhattangady/brushstrokes: a73d46ec8b6329553b7d9bbc41fb18a4eb8e4b24
[INFO] validating manifest of samhattangady/brushstrokes 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 samhattangady/brushstrokes 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 samhattangady/brushstrokes
[INFO] finished frobbing samhattangady/brushstrokes
[INFO] frobbed toml for samhattangady/brushstrokes written to work/ex/beta-1.38-1/sources/1.37.0/gh/samhattangady/brushstrokes/Cargo.toml
[INFO] started frobbing samhattangady/brushstrokes
[INFO] finished frobbing samhattangady/brushstrokes
[INFO] frobbed toml for samhattangady/brushstrokes written to work/ex/beta-1.38-1/sources/beta-2019-08-13/gh/samhattangady/brushstrokes/Cargo.toml
[INFO] crate samhattangady/brushstrokes 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] 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 samhattangady/brushstrokes 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-7/beta-2019-08-13:/opt/crater/target:rw,Z" "-v" "/mnt/big/crater/work/ex/beta-1.38-1/sources/beta-2019-08-13/gh/samhattangady/brushstrokes:/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] 0539fc3337168cd51b7ca6631ef1cb6325eb1abeafddc9c688d4691f3c70cd5f
[INFO] running `"docker" "start" "-a" "0539fc3337168cd51b7ca6631ef1cb6325eb1abeafddc9c688d4691f3c70cd5f"`
[INFO] [stderr]    Compiling imgref v1.3.5
[INFO] [stderr]    Compiling jpeg-decoder v0.1.15
[INFO] [stderr]    Compiling image v0.21.0
[INFO] [stderr]    Compiling brushstrokes v0.1.0 (/opt/crater/workdir)
[INFO] [stderr] warning: unused import: `rayon::prelude`
[INFO] [stderr]  --> src/main.rs:7:5
[INFO] [stderr]   |
[INFO] [stderr] 7 | use rayon::prelude::*;
[INFO] [stderr]   |     ^^^^^^^^^^^^^^
[INFO] [stderr]   |
[INFO] [stderr]   = note: `#[warn(unused_imports)]` on by default
[INFO] [stderr] 
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 19.28s
[INFO] running `"docker" "inspect" "0539fc3337168cd51b7ca6631ef1cb6325eb1abeafddc9c688d4691f3c70cd5f"`
[INFO] running `"docker" "rm" "-f" "0539fc3337168cd51b7ca6631ef1cb6325eb1abeafddc9c688d4691f3c70cd5f"`
[INFO] [stdout] 0539fc3337168cd51b7ca6631ef1cb6325eb1abeafddc9c688d4691f3c70cd5f
[INFO] running `"docker" "create" "-v" "/mnt/big/crater/work/local/target-dirs/beta-1.38-1/worker-7/beta-2019-08-13:/opt/crater/target:rw,Z" "-v" "/mnt/big/crater/work/ex/beta-1.38-1/sources/beta-2019-08-13/gh/samhattangady/brushstrokes:/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] 2649ef705c819bd148eb730a9c6c91f7bbe98574b2712587b08f69b35801e569
[INFO] running `"docker" "start" "-a" "2649ef705c819bd148eb730a9c6c91f7bbe98574b2712587b08f69b35801e569"`
[INFO] [stderr]    Compiling brushstrokes v0.1.0 (/opt/crater/workdir)
[INFO] [stderr] warning: unused import: `rayon::prelude`
[INFO] [stderr]  --> src/main.rs:7:5
[INFO] [stderr]   |
[INFO] [stderr] 7 | use rayon::prelude::*;
[INFO] [stderr]   |     ^^^^^^^^^^^^^^
[INFO] [stderr]   |
[INFO] [stderr]   = note: `#[warn(unused_imports)]` on by default
[INFO] [stderr] 
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 1.52s
[INFO] running `"docker" "inspect" "2649ef705c819bd148eb730a9c6c91f7bbe98574b2712587b08f69b35801e569"`
[INFO] running `"docker" "rm" "-f" "2649ef705c819bd148eb730a9c6c91f7bbe98574b2712587b08f69b35801e569"`
[INFO] [stdout] 2649ef705c819bd148eb730a9c6c91f7bbe98574b2712587b08f69b35801e569
[INFO] running `"docker" "create" "-v" "/mnt/big/crater/work/local/target-dirs/beta-1.38-1/worker-7/beta-2019-08-13:/opt/crater/target:rw,Z" "-v" "/mnt/big/crater/work/ex/beta-1.38-1/sources/beta-2019-08-13/gh/samhattangady/brushstrokes:/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] 062b82a21f45680eb363dbbc341724d53e668d82917878d5650a4c714c4eaac8
[INFO] running `"docker" "start" "-a" "062b82a21f45680eb363dbbc341724d53e668d82917878d5650a4c714c4eaac8"`
[INFO] [stderr]     Blocking waiting for file lock on package cache
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 0.09s
[INFO] [stderr]      Running /opt/crater/target/debug/deps/brushstrokes-ded47ff3cb44f703
[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" "062b82a21f45680eb363dbbc341724d53e668d82917878d5650a4c714c4eaac8"`
[INFO] running `"docker" "rm" "-f" "062b82a21f45680eb363dbbc341724d53e668d82917878d5650a4c714c4eaac8"`
[INFO] [stdout] 062b82a21f45680eb363dbbc341724d53e668d82917878d5650a4c714c4eaac8