[INFO] updating cached repository nicholasnelson/rust-mandlebrot-toy
[INFO] running `"git" "fetch" "--all"`
[INFO] [stdout] Fetching origin
[INFO] [stderr] From git://github.com/nicholasnelson/rust-mandlebrot-toy
[INFO] [stderr]  * branch            HEAD       -> FETCH_HEAD
[INFO] running `"git" "clone" "work/cache/sources/gh/nicholasnelson/rust-mandlebrot-toy" "work/ex/beta-1.37-6/sources/1.36.0/gh/nicholasnelson/rust-mandlebrot-toy"`
[INFO] [stderr] Cloning into 'work/ex/beta-1.37-6/sources/1.36.0/gh/nicholasnelson/rust-mandlebrot-toy'...
[INFO] [stderr] done.
[INFO] running `"git" "clone" "work/cache/sources/gh/nicholasnelson/rust-mandlebrot-toy" "work/ex/beta-1.37-6/sources/beta-2019-07-23/gh/nicholasnelson/rust-mandlebrot-toy"`
[INFO] [stderr] Cloning into 'work/ex/beta-1.37-6/sources/beta-2019-07-23/gh/nicholasnelson/rust-mandlebrot-toy'...
[INFO] [stderr] done.
[INFO] running `"git" "rev-parse" "HEAD"`
[INFO] [stdout] 1dac8c4aa3df9c85634fab384e4893395b9ca2c0
[INFO] sha for GitHub repo nicholasnelson/rust-mandlebrot-toy: 1dac8c4aa3df9c85634fab384e4893395b9ca2c0
[INFO] validating manifest of nicholasnelson/rust-mandlebrot-toy 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 nicholasnelson/rust-mandlebrot-toy 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 nicholasnelson/rust-mandlebrot-toy
[INFO] finished frobbing nicholasnelson/rust-mandlebrot-toy
[INFO] frobbed toml for nicholasnelson/rust-mandlebrot-toy written to work/ex/beta-1.37-6/sources/1.36.0/gh/nicholasnelson/rust-mandlebrot-toy/Cargo.toml
[INFO] started frobbing nicholasnelson/rust-mandlebrot-toy
[INFO] finished frobbing nicholasnelson/rust-mandlebrot-toy
[INFO] frobbed toml for nicholasnelson/rust-mandlebrot-toy written to work/ex/beta-1.37-6/sources/beta-2019-07-23/gh/nicholasnelson/rust-mandlebrot-toy/Cargo.toml
[INFO] crate nicholasnelson/rust-mandlebrot-toy 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 nicholasnelson/rust-mandlebrot-toy 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/nicholasnelson/rust-mandlebrot-toy:/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] 16fce222886573b008ce563d2e302e95c2786abcc346bf0112c49e90a8f8c640
[INFO] running `"docker" "start" "-a" "16fce222886573b008ce563d2e302e95c2786abcc346bf0112c49e90a8f8c640"`
[INFO] [stderr]    Compiling proc-macro2 v0.4.25
[INFO] [stderr]    Compiling num-complex v0.2.1
[INFO] [stderr]    Compiling inflate v0.4.4
[INFO] [stderr]    Compiling jpeg-decoder v0.1.15
[INFO] [stderr]    Compiling png v0.14.0
[INFO] [stderr]    Compiling quote v0.6.10
[INFO] [stderr]    Compiling syn v0.15.26
[INFO] [stderr]    Compiling num-derive v0.2.3
[INFO] [stderr]    Compiling tiff v0.2.1
[INFO] [stderr]    Compiling image v0.21.0
[INFO] [stderr]    Compiling mandle v0.1.0 (/opt/crater/workdir)
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 40.75s
[INFO] running `"docker" "inspect" "16fce222886573b008ce563d2e302e95c2786abcc346bf0112c49e90a8f8c640"`
[INFO] running `"docker" "rm" "-f" "16fce222886573b008ce563d2e302e95c2786abcc346bf0112c49e90a8f8c640"`
[INFO] [stdout] 16fce222886573b008ce563d2e302e95c2786abcc346bf0112c49e90a8f8c640
[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/nicholasnelson/rust-mandlebrot-toy:/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] 83a0bf7a6b6270aae5e64fee1089803265af7e5236b3eca659e99f7e34591491
[INFO] running `"docker" "start" "-a" "83a0bf7a6b6270aae5e64fee1089803265af7e5236b3eca659e99f7e34591491"`
[INFO] [stderr]    Compiling mandle v0.1.0 (/opt/crater/workdir)
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 0.87s
[INFO] running `"docker" "inspect" "83a0bf7a6b6270aae5e64fee1089803265af7e5236b3eca659e99f7e34591491"`
[INFO] running `"docker" "rm" "-f" "83a0bf7a6b6270aae5e64fee1089803265af7e5236b3eca659e99f7e34591491"`
[INFO] [stdout] 83a0bf7a6b6270aae5e64fee1089803265af7e5236b3eca659e99f7e34591491
[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/nicholasnelson/rust-mandlebrot-toy:/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] 7d81f621fa7f7fec53222bf1b7e257a026ed30edd86bd4d57a1c31022bcfd84a
[INFO] running `"docker" "start" "-a" "7d81f621fa7f7fec53222bf1b7e257a026ed30edd86bd4d57a1c31022bcfd84a"`
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 0.05s
[INFO] [stderr]      Running /opt/crater/target/debug/deps/mandle-5eb3db06d1a8553e
[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" "7d81f621fa7f7fec53222bf1b7e257a026ed30edd86bd4d57a1c31022bcfd84a"`
[INFO] running `"docker" "rm" "-f" "7d81f621fa7f7fec53222bf1b7e257a026ed30edd86bd4d57a1c31022bcfd84a"`
[INFO] [stdout] 7d81f621fa7f7fec53222bf1b7e257a026ed30edd86bd4d57a1c31022bcfd84a