[INFO] updating cached repository konyonyo/rust-study
[INFO] running `"git" "fetch" "--all"`
[INFO] [stdout] Fetching origin
[INFO] [stderr] From git://github.com/konyonyo/rust-study
[INFO] [stderr]  * branch            HEAD       -> FETCH_HEAD
[INFO] running `"git" "clone" "work/cache/sources/gh/konyonyo/rust-study" "work/ex/beta-1.38-1/sources/1.37.0/gh/konyonyo/rust-study"`
[INFO] [stderr] Cloning into 'work/ex/beta-1.38-1/sources/1.37.0/gh/konyonyo/rust-study'...
[INFO] [stderr] done.
[INFO] running `"git" "clone" "work/cache/sources/gh/konyonyo/rust-study" "work/ex/beta-1.38-1/sources/beta-2019-08-13/gh/konyonyo/rust-study"`
[INFO] [stderr] Cloning into 'work/ex/beta-1.38-1/sources/beta-2019-08-13/gh/konyonyo/rust-study'...
[INFO] [stderr] done.
[INFO] running `"git" "rev-parse" "HEAD"`
[INFO] [stdout] f7a67bb0b1f292c2bee04b8f26f21341b3c50482
[INFO] sha for GitHub repo konyonyo/rust-study: f7a67bb0b1f292c2bee04b8f26f21341b3c50482
[INFO] validating manifest of konyonyo/rust-study 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 konyonyo/rust-study 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 konyonyo/rust-study
[INFO] finished frobbing konyonyo/rust-study
[INFO] frobbed toml for konyonyo/rust-study written to work/ex/beta-1.38-1/sources/1.37.0/gh/konyonyo/rust-study/Cargo.toml
[INFO] started frobbing konyonyo/rust-study
[INFO] finished frobbing konyonyo/rust-study
[INFO] frobbed toml for konyonyo/rust-study written to work/ex/beta-1.38-1/sources/beta-2019-08-13/gh/konyonyo/rust-study/Cargo.toml
[INFO] crate konyonyo/rust-study 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] testing konyonyo/rust-study 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-7/1.37.0:/opt/crater/target:rw,Z" "-v" "/mnt/big/crater/work/ex/beta-1.38-1/sources/1.37.0/gh/konyonyo/rust-study:/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] 5f161146e0cccbdc9592caa6166d52e81e4dca99d198800be0483945d4732577
[INFO] running `"docker" "start" "-a" "5f161146e0cccbdc9592caa6166d52e81e4dca99d198800be0483945d4732577"`
[INFO] [stderr]    Compiling deflate v0.7.19
[INFO] [stderr]    Compiling num-complex v0.1.43
[INFO] [stderr]    Compiling num-bigint v0.1.44
[INFO] [stderr]    Compiling enum_primitive v0.1.1
[INFO] [stderr]    Compiling jpeg-decoder v0.1.15
[INFO] [stderr]    Compiling png v0.7.0
[INFO] [stderr]    Compiling num-rational v0.1.42
[INFO] [stderr]    Compiling num v0.1.42
[INFO] [stderr]    Compiling image v0.13.0
[INFO] [stderr]    Compiling mandelbrot v0.1.0 (/opt/crater/workdir)
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 28.99s
[INFO] running `"docker" "inspect" "5f161146e0cccbdc9592caa6166d52e81e4dca99d198800be0483945d4732577"`
[INFO] running `"docker" "rm" "-f" "5f161146e0cccbdc9592caa6166d52e81e4dca99d198800be0483945d4732577"`
[INFO] [stdout] 5f161146e0cccbdc9592caa6166d52e81e4dca99d198800be0483945d4732577
[INFO] running `"docker" "create" "-v" "/mnt/big/crater/work/local/target-dirs/beta-1.38-1/worker-7/1.37.0:/opt/crater/target:rw,Z" "-v" "/mnt/big/crater/work/ex/beta-1.38-1/sources/1.37.0/gh/konyonyo/rust-study:/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] aecea2fac683534c106ffc9d4756c8928c30daf0460a9c840fff94cf3b3a96b6
[INFO] running `"docker" "start" "-a" "aecea2fac683534c106ffc9d4756c8928c30daf0460a9c840fff94cf3b3a96b6"`
[INFO] [stderr]    Compiling mandelbrot v0.1.0 (/opt/crater/workdir)
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 1.00s
[INFO] running `"docker" "inspect" "aecea2fac683534c106ffc9d4756c8928c30daf0460a9c840fff94cf3b3a96b6"`
[INFO] running `"docker" "rm" "-f" "aecea2fac683534c106ffc9d4756c8928c30daf0460a9c840fff94cf3b3a96b6"`
[INFO] [stdout] aecea2fac683534c106ffc9d4756c8928c30daf0460a9c840fff94cf3b3a96b6
[INFO] running `"docker" "create" "-v" "/mnt/big/crater/work/local/target-dirs/beta-1.38-1/worker-7/1.37.0:/opt/crater/target:rw,Z" "-v" "/mnt/big/crater/work/ex/beta-1.38-1/sources/1.37.0/gh/konyonyo/rust-study:/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] 1dbca7435844391d7f617290bcea268da4986c5053ec64f28fe54c667ce427d8
[INFO] running `"docker" "start" "-a" "1dbca7435844391d7f617290bcea268da4986c5053ec64f28fe54c667ce427d8"`
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 0.10s
[INFO] [stderr]      Running /opt/crater/target/debug/deps/mandelbrot-4df5ff48610febff
[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" "1dbca7435844391d7f617290bcea268da4986c5053ec64f28fe54c667ce427d8"`
[INFO] running `"docker" "rm" "-f" "1dbca7435844391d7f617290bcea268da4986c5053ec64f28fe54c667ce427d8"`
[INFO] [stdout] 1dbca7435844391d7f617290bcea268da4986c5053ec64f28fe54c667ce427d8