[INFO] updating cached repository BrotherhoodOfHam/software-rasterizer
[INFO] running `"git" "fetch" "--all"`
[INFO] [stdout] Fetching origin
[INFO] [stderr] From git://github.com/BrotherhoodOfHam/software-rasterizer
[INFO] [stderr]  * branch            HEAD       -> FETCH_HEAD
[INFO] running `"git" "clone" "work/cache/sources/gh/BrotherhoodOfHam/software-rasterizer" "work/ex/beta-1.38-1/sources/1.37.0/gh/BrotherhoodOfHam/software-rasterizer"`
[INFO] [stderr] Cloning into 'work/ex/beta-1.38-1/sources/1.37.0/gh/BrotherhoodOfHam/software-rasterizer'...
[INFO] [stderr] done.
[INFO] running `"git" "clone" "work/cache/sources/gh/BrotherhoodOfHam/software-rasterizer" "work/ex/beta-1.38-1/sources/beta-2019-08-13/gh/BrotherhoodOfHam/software-rasterizer"`
[INFO] [stderr] Cloning into 'work/ex/beta-1.38-1/sources/beta-2019-08-13/gh/BrotherhoodOfHam/software-rasterizer'...
[INFO] [stderr] done.
[INFO] running `"git" "rev-parse" "HEAD"`
[INFO] [stdout] 6a498a11ec4726d52970c777a89c6651a80a7756
[INFO] sha for GitHub repo BrotherhoodOfHam/software-rasterizer: 6a498a11ec4726d52970c777a89c6651a80a7756
[INFO] validating manifest of BrotherhoodOfHam/software-rasterizer 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 BrotherhoodOfHam/software-rasterizer 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 BrotherhoodOfHam/software-rasterizer
[INFO] finished frobbing BrotherhoodOfHam/software-rasterizer
[INFO] frobbed toml for BrotherhoodOfHam/software-rasterizer written to work/ex/beta-1.38-1/sources/1.37.0/gh/BrotherhoodOfHam/software-rasterizer/Cargo.toml
[INFO] started frobbing BrotherhoodOfHam/software-rasterizer
[INFO] finished frobbing BrotherhoodOfHam/software-rasterizer
[INFO] frobbed toml for BrotherhoodOfHam/software-rasterizer written to work/ex/beta-1.38-1/sources/beta-2019-08-13/gh/BrotherhoodOfHam/software-rasterizer/Cargo.toml
[INFO] crate BrotherhoodOfHam/software-rasterizer 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 BrotherhoodOfHam/software-rasterizer 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-0/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/BrotherhoodOfHam/software-rasterizer:/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] edd6db3eec53f3c081ee58066dd47a27074166f17b09adb2e3a692ced722438f
[INFO] running `"docker" "start" "-a" "edd6db3eec53f3c081ee58066dd47a27074166f17b09adb2e3a692ced722438f"`
[INFO] [stderr]    Compiling syn v0.15.23
[INFO] [stderr]    Compiling rayon-core v1.4.1
[INFO] [stderr]    Compiling cgmath v0.16.1
[INFO] [stderr]    Compiling png v0.12.0
[INFO] [stderr]    Compiling rayon v1.0.3
[INFO] [stderr]    Compiling jpeg-decoder v0.1.15
[INFO] [stderr]    Compiling num-derive v0.2.3
[INFO] [stderr]    Compiling tiff v0.2.1
[INFO] [stderr]    Compiling image v0.20.1
[INFO] [stderr]    Compiling hello_world v0.1.0 (/opt/crater/workdir)
[INFO] [stderr] warning: unused import: `std`
[INFO] [stderr]  --> src/model.rs:1:5
[INFO] [stderr]   |
[INFO] [stderr] 1 | use std;
[INFO] [stderr]   |     ^^^
[INFO] [stderr]   |
[INFO] [stderr]   = note: `#[warn(unused_imports)]` on by default
[INFO] [stderr] 
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 42.49s
[INFO] running `"docker" "inspect" "edd6db3eec53f3c081ee58066dd47a27074166f17b09adb2e3a692ced722438f"`
[INFO] running `"docker" "rm" "-f" "edd6db3eec53f3c081ee58066dd47a27074166f17b09adb2e3a692ced722438f"`
[INFO] [stdout] edd6db3eec53f3c081ee58066dd47a27074166f17b09adb2e3a692ced722438f
[INFO] running `"docker" "create" "-v" "/mnt/big/crater/work/local/target-dirs/beta-1.38-1/worker-0/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/BrotherhoodOfHam/software-rasterizer:/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] 3e47d9e247be8f40f7edba0711a68ee3ae5afb36fbdb1984a73b727b16aa2531
[INFO] running `"docker" "start" "-a" "3e47d9e247be8f40f7edba0711a68ee3ae5afb36fbdb1984a73b727b16aa2531"`
[INFO] [stderr]    Compiling hello_world v0.1.0 (/opt/crater/workdir)
[INFO] [stderr] warning: unused import: `std`
[INFO] [stderr]  --> src/model.rs:1:5
[INFO] [stderr]   |
[INFO] [stderr] 1 | use std;
[INFO] [stderr]   |     ^^^
[INFO] [stderr]   |
[INFO] [stderr]   = note: `#[warn(unused_imports)]` on by default
[INFO] [stderr] 
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 0.93s
[INFO] running `"docker" "inspect" "3e47d9e247be8f40f7edba0711a68ee3ae5afb36fbdb1984a73b727b16aa2531"`
[INFO] running `"docker" "rm" "-f" "3e47d9e247be8f40f7edba0711a68ee3ae5afb36fbdb1984a73b727b16aa2531"`
[INFO] [stdout] 3e47d9e247be8f40f7edba0711a68ee3ae5afb36fbdb1984a73b727b16aa2531
[INFO] running `"docker" "create" "-v" "/mnt/big/crater/work/local/target-dirs/beta-1.38-1/worker-0/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/BrotherhoodOfHam/software-rasterizer:/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] d1d27f3dc2213d67214ad748455f228300a566829ec6e5cd9cdf1b10c89ae0c2
[INFO] running `"docker" "start" "-a" "d1d27f3dc2213d67214ad748455f228300a566829ec6e5cd9cdf1b10c89ae0c2"`
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 0.09s
[INFO] [stderr]      Running /opt/crater/target/debug/deps/hello_world-c0b45e8694d761b1
[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" "d1d27f3dc2213d67214ad748455f228300a566829ec6e5cd9cdf1b10c89ae0c2"`
[INFO] running `"docker" "rm" "-f" "d1d27f3dc2213d67214ad748455f228300a566829ec6e5cd9cdf1b10c89ae0c2"`
[INFO] [stdout] d1d27f3dc2213d67214ad748455f228300a566829ec6e5cd9cdf1b10c89ae0c2