[INFO] updating cached repository kvark/ref-image
[INFO] running `"git" "fetch" "--all"`
[INFO] [stdout] Fetching origin
[INFO] [stderr] From git://github.com/kvark/ref-image
[INFO] [stderr]  * branch            HEAD       -> FETCH_HEAD
[INFO] running `"git" "clone" "work/cache/sources/gh/kvark/ref-image" "work/ex/beta-1.37-6/sources/1.36.0/gh/kvark/ref-image"`
[INFO] [stderr] Cloning into 'work/ex/beta-1.37-6/sources/1.36.0/gh/kvark/ref-image'...
[INFO] [stderr] done.
[INFO] running `"git" "clone" "work/cache/sources/gh/kvark/ref-image" "work/ex/beta-1.37-6/sources/beta-2019-07-23/gh/kvark/ref-image"`
[INFO] [stderr] Cloning into 'work/ex/beta-1.37-6/sources/beta-2019-07-23/gh/kvark/ref-image'...
[INFO] [stderr] done.
[INFO] running `"git" "rev-parse" "HEAD"`
[INFO] [stdout] d2b4d2347f0fd760676327c4851fadd2b353c5ae
[INFO] sha for GitHub repo kvark/ref-image: d2b4d2347f0fd760676327c4851fadd2b353c5ae
[INFO] validating manifest of kvark/ref-image 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 kvark/ref-image 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 kvark/ref-image
[INFO] finished frobbing kvark/ref-image
[INFO] frobbed toml for kvark/ref-image written to work/ex/beta-1.37-6/sources/1.36.0/gh/kvark/ref-image/Cargo.toml
[INFO] started frobbing kvark/ref-image
[INFO] finished frobbing kvark/ref-image
[INFO] frobbed toml for kvark/ref-image written to work/ex/beta-1.37-6/sources/beta-2019-07-23/gh/kvark/ref-image/Cargo.toml
[INFO] crate kvark/ref-image 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] [stderr]     Blocking waiting for file lock on package cache lock
[INFO] running `"/mnt/big/crater/work/local/cargo-home/bin/cargo" "+beta-2019-07-23" "fetch" "--locked" "--manifest-path" "Cargo.toml"`
[INFO] testing kvark/ref-image 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-4/1.36.0:/opt/crater/target:rw,Z" "-v" "/mnt/big/crater/work/ex/beta-1.37-6/sources/1.36.0/gh/kvark/ref-image:/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] 0e8850a3190ed585e7399928cf7a9e305d8a599018d09b07f454e5e9cba25548
[INFO] running `"docker" "start" "-a" "0e8850a3190ed585e7399928cf7a9e305d8a599018d09b07f454e5e9cba25548"`
[INFO] [stderr]    Compiling num_cpus v1.7.0
[INFO] [stderr]    Compiling enum_primitive v0.1.1
[INFO] [stderr]    Compiling num-rational v0.1.40
[INFO] [stderr]    Compiling base64 v0.8.0
[INFO] [stderr]    Compiling png v0.11.0
[INFO] [stderr]    Compiling rayon-core v1.3.0
[INFO] [stderr]    Compiling rayon v0.8.2
[INFO] [stderr]    Compiling jpeg-decoder v0.1.13
[INFO] [stderr]    Compiling image v0.18.0
[INFO] [stderr]    Compiling ref_image v0.1.0 (/opt/crater/workdir)
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 29.41s
[INFO] running `"docker" "inspect" "0e8850a3190ed585e7399928cf7a9e305d8a599018d09b07f454e5e9cba25548"`
[INFO] running `"docker" "rm" "-f" "0e8850a3190ed585e7399928cf7a9e305d8a599018d09b07f454e5e9cba25548"`
[INFO] [stdout] 0e8850a3190ed585e7399928cf7a9e305d8a599018d09b07f454e5e9cba25548
[INFO] running `"docker" "create" "-v" "/mnt/big/crater/work/local/target-dirs/beta-1.37-6/worker-4/1.36.0:/opt/crater/target:rw,Z" "-v" "/mnt/big/crater/work/ex/beta-1.37-6/sources/1.36.0/gh/kvark/ref-image:/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] 8c292ef638595499e5924dd04b6baf15721ddcbf25b62bace5ab3f8d3f3d483f
[INFO] running `"docker" "start" "-a" "8c292ef638595499e5924dd04b6baf15721ddcbf25b62bace5ab3f8d3f3d483f"`
[INFO] [stderr]    Compiling ref_image v0.1.0 (/opt/crater/workdir)
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 2.16s
[INFO] running `"docker" "inspect" "8c292ef638595499e5924dd04b6baf15721ddcbf25b62bace5ab3f8d3f3d483f"`
[INFO] running `"docker" "rm" "-f" "8c292ef638595499e5924dd04b6baf15721ddcbf25b62bace5ab3f8d3f3d483f"`
[INFO] [stdout] 8c292ef638595499e5924dd04b6baf15721ddcbf25b62bace5ab3f8d3f3d483f
[INFO] running `"docker" "create" "-v" "/mnt/big/crater/work/local/target-dirs/beta-1.37-6/worker-4/1.36.0:/opt/crater/target:rw,Z" "-v" "/mnt/big/crater/work/ex/beta-1.37-6/sources/1.36.0/gh/kvark/ref-image:/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] ba995931962bb965d659f36d5e9318695617e9c612a58bb6605b4037504315b7
[INFO] running `"docker" "start" "-a" "ba995931962bb965d659f36d5e9318695617e9c612a58bb6605b4037504315b7"`
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 0.05s
[INFO] [stderr]      Running /opt/crater/target/debug/deps/ref_image-cb00c3034bcd1b76
[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]      Running /opt/crater/target/debug/deps/compare-8298ff0a8367fef8
[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 ref_image
[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" "ba995931962bb965d659f36d5e9318695617e9c612a58bb6605b4037504315b7"`
[INFO] running `"docker" "rm" "-f" "ba995931962bb965d659f36d5e9318695617e9c612a58bb6605b4037504315b7"`
[INFO] [stdout] ba995931962bb965d659f36d5e9318695617e9c612a58bb6605b4037504315b7