[INFO] updating cached repository Fensi3321/MandelbrotSet
[INFO] running `"git" "fetch" "--all"`
[INFO] [stdout] Fetching origin
[INFO] [stderr] From git://github.com/Fensi3321/MandelbrotSet
[INFO] [stderr]  * branch            HEAD       -> FETCH_HEAD
[INFO] running `"git" "clone" "work/cache/sources/gh/Fensi3321/MandelbrotSet" "work/ex/beta-1.38-1/sources/1.37.0/gh/Fensi3321/MandelbrotSet"`
[INFO] [stderr] Cloning into 'work/ex/beta-1.38-1/sources/1.37.0/gh/Fensi3321/MandelbrotSet'...
[INFO] [stderr] done.
[INFO] running `"git" "clone" "work/cache/sources/gh/Fensi3321/MandelbrotSet" "work/ex/beta-1.38-1/sources/beta-2019-08-13/gh/Fensi3321/MandelbrotSet"`
[INFO] [stderr] Cloning into 'work/ex/beta-1.38-1/sources/beta-2019-08-13/gh/Fensi3321/MandelbrotSet'...
[INFO] [stderr] done.
[INFO] running `"git" "rev-parse" "HEAD"`
[INFO] [stdout] 109e964e3cce19db2774c20ed214a067fb6bcb34
[INFO] sha for GitHub repo Fensi3321/MandelbrotSet: 109e964e3cce19db2774c20ed214a067fb6bcb34
[INFO] validating manifest of Fensi3321/MandelbrotSet 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 Fensi3321/MandelbrotSet 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 Fensi3321/MandelbrotSet
[INFO] finished frobbing Fensi3321/MandelbrotSet
[INFO] frobbed toml for Fensi3321/MandelbrotSet written to work/ex/beta-1.38-1/sources/1.37.0/gh/Fensi3321/MandelbrotSet/Cargo.toml
[INFO] started frobbing Fensi3321/MandelbrotSet
[INFO] finished frobbing Fensi3321/MandelbrotSet
[INFO] frobbed toml for Fensi3321/MandelbrotSet written to work/ex/beta-1.38-1/sources/beta-2019-08-13/gh/Fensi3321/MandelbrotSet/Cargo.toml
[INFO] crate Fensi3321/MandelbrotSet 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 Fensi3321/MandelbrotSet 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-2/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/Fensi3321/MandelbrotSet:/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] cadd54c0942d37a440588baff920ac9a05285d29cf363399ed4e71093d01c884
[INFO] running `"docker" "start" "-a" "cadd54c0942d37a440588baff920ac9a05285d29cf363399ed4e71093d01c884"`
[INFO] [stderr]    Compiling num-integer v0.1.36
[INFO] [stderr]    Compiling crossbeam-epoch v0.3.1
[INFO] [stderr]    Compiling num-iter v0.1.35
[INFO] [stderr]    Compiling num-rational v0.1.42
[INFO] [stderr]    Compiling png v0.11.0
[INFO] [stderr]    Compiling crossbeam-deque v0.2.0
[INFO] [stderr]    Compiling rayon-core v1.4.0
[INFO] [stderr]    Compiling rayon v1.0.1
[INFO] [stderr]    Compiling jpeg-decoder v0.1.14
[INFO] [stderr]    Compiling image v0.18.0
[INFO] [stderr]    Compiling MandelbrotSet v0.1.0 (/opt/crater/workdir)
[INFO] [stderr] warning: crate `MandelbrotSet` should have a snake case name
[INFO] [stderr]   |
[INFO] [stderr]   = note: `#[warn(non_snake_case)]` on by default
[INFO] [stderr]   = help: convert the identifier to snake case: `mandelbrot_set`
[INFO] [stderr] 
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 25.57s
[INFO] running `"docker" "inspect" "cadd54c0942d37a440588baff920ac9a05285d29cf363399ed4e71093d01c884"`
[INFO] running `"docker" "rm" "-f" "cadd54c0942d37a440588baff920ac9a05285d29cf363399ed4e71093d01c884"`
[INFO] [stdout] cadd54c0942d37a440588baff920ac9a05285d29cf363399ed4e71093d01c884
[INFO] running `"docker" "create" "-v" "/mnt/big/crater/work/local/target-dirs/beta-1.38-1/worker-2/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/Fensi3321/MandelbrotSet:/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] 786221ff411d97552a227461ced8e2a5ac10c66314f49a0afe938671ab1c2764
[INFO] running `"docker" "start" "-a" "786221ff411d97552a227461ced8e2a5ac10c66314f49a0afe938671ab1c2764"`
[INFO] [stderr]    Compiling MandelbrotSet v0.1.0 (/opt/crater/workdir)
[INFO] [stderr] warning: crate `MandelbrotSet` should have a snake case name
[INFO] [stderr]   |
[INFO] [stderr]   = note: `#[warn(non_snake_case)]` on by default
[INFO] [stderr]   = help: convert the identifier to snake case: `mandelbrot_set`
[INFO] [stderr] 
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 0.82s
[INFO] running `"docker" "inspect" "786221ff411d97552a227461ced8e2a5ac10c66314f49a0afe938671ab1c2764"`
[INFO] running `"docker" "rm" "-f" "786221ff411d97552a227461ced8e2a5ac10c66314f49a0afe938671ab1c2764"`
[INFO] [stdout] 786221ff411d97552a227461ced8e2a5ac10c66314f49a0afe938671ab1c2764
[INFO] running `"docker" "create" "-v" "/mnt/big/crater/work/local/target-dirs/beta-1.38-1/worker-2/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/Fensi3321/MandelbrotSet:/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] 80658e3b91b3ed1a155711c703775cb8d0f80c57538c663f9965f9d20ebcd519
[INFO] running `"docker" "start" "-a" "80658e3b91b3ed1a155711c703775cb8d0f80c57538c663f9965f9d20ebcd519"`
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 0.05s
[INFO] [stderr]      Running /opt/crater/target/debug/deps/MandelbrotSet-300bf5fce53738fe
[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" "80658e3b91b3ed1a155711c703775cb8d0f80c57538c663f9965f9d20ebcd519"`
[INFO] running `"docker" "rm" "-f" "80658e3b91b3ed1a155711c703775cb8d0f80c57538c663f9965f9d20ebcd519"`
[INFO] [stdout] 80658e3b91b3ed1a155711c703775cb8d0f80c57538c663f9965f9d20ebcd519