[INFO] updating cached repository nabeelomer/ImageBuilder
[INFO] running `"git" "fetch" "--all"`
[INFO] [stdout] Fetching origin
[INFO] [stderr] From git://github.com/nabeelomer/ImageBuilder
[INFO] [stderr]  * branch            HEAD       -> FETCH_HEAD
[INFO] running `"git" "clone" "work/cache/sources/gh/nabeelomer/ImageBuilder" "work/ex/beta-1.38-1/sources/1.37.0/gh/nabeelomer/ImageBuilder"`
[INFO] [stderr] Cloning into 'work/ex/beta-1.38-1/sources/1.37.0/gh/nabeelomer/ImageBuilder'...
[INFO] [stderr] done.
[INFO] running `"git" "clone" "work/cache/sources/gh/nabeelomer/ImageBuilder" "work/ex/beta-1.38-1/sources/beta-2019-08-13/gh/nabeelomer/ImageBuilder"`
[INFO] [stderr] Cloning into 'work/ex/beta-1.38-1/sources/beta-2019-08-13/gh/nabeelomer/ImageBuilder'...
[INFO] [stderr] done.
[INFO] running `"git" "rev-parse" "HEAD"`
[INFO] [stdout] 2f6fb24e817040c619dbbb8d9754e472a8764537
[INFO] sha for GitHub repo nabeelomer/ImageBuilder: 2f6fb24e817040c619dbbb8d9754e472a8764537
[INFO] validating manifest of nabeelomer/ImageBuilder 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 nabeelomer/ImageBuilder 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 nabeelomer/ImageBuilder
[INFO] finished frobbing nabeelomer/ImageBuilder
[INFO] frobbed toml for nabeelomer/ImageBuilder written to work/ex/beta-1.38-1/sources/1.37.0/gh/nabeelomer/ImageBuilder/Cargo.toml
[INFO] started frobbing nabeelomer/ImageBuilder
[INFO] finished frobbing nabeelomer/ImageBuilder
[INFO] frobbed toml for nabeelomer/ImageBuilder written to work/ex/beta-1.38-1/sources/beta-2019-08-13/gh/nabeelomer/ImageBuilder/Cargo.toml
[INFO] crate nabeelomer/ImageBuilder 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 nabeelomer/ImageBuilder 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-3/1.37.0:/opt/crater/target:rw,Z" "-v" "/mnt/big/crater/work/ex/beta-1.38-1/sources/1.37.0/gh/nabeelomer/ImageBuilder:/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] 224e73b1f64634843136c0730673b28185246fc1e9a7d4602a2df6ab484e4ebf
[INFO] running `"docker" "start" "-a" "224e73b1f64634843136c0730673b28185246fc1e9a7d4602a2df6ab484e4ebf"`
[INFO] [stderr]    Compiling arrayvec v0.4.6
[INFO] [stderr]    Compiling rayon-core v1.3.0
[INFO] [stderr]    Compiling ordered-float v0.5.0
[INFO] [stderr]    Compiling png v0.11.0
[INFO] [stderr]    Compiling rusttype v0.3.0
[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 ImageBuilder v0.1.0 (/opt/crater/workdir)
[INFO] [stderr] warning: variable does not need to be mutable
[INFO] [stderr]   --> src/main.rs:11:9
[INFO] [stderr]    |
[INFO] [stderr] 11 |     let mut image = DynamicImage::new_rgba8(1920, 1080).to_rgba();
[INFO] [stderr]    |         ----^^^^^
[INFO] [stderr]    |         |
[INFO] [stderr]    |         help: remove this `mut`
[INFO] [stderr]    |
[INFO] [stderr]    = note: #[warn(unused_mut)] on by default
[INFO] [stderr] 
[INFO] [stderr] warning: crate `ImageBuilder` 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: `image_builder`
[INFO] [stderr] 
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 26.55s
[INFO] running `"docker" "inspect" "224e73b1f64634843136c0730673b28185246fc1e9a7d4602a2df6ab484e4ebf"`
[INFO] running `"docker" "rm" "-f" "224e73b1f64634843136c0730673b28185246fc1e9a7d4602a2df6ab484e4ebf"`
[INFO] [stdout] 224e73b1f64634843136c0730673b28185246fc1e9a7d4602a2df6ab484e4ebf
[INFO] running `"docker" "create" "-v" "/mnt/big/crater/work/local/target-dirs/beta-1.38-1/worker-3/1.37.0:/opt/crater/target:rw,Z" "-v" "/mnt/big/crater/work/ex/beta-1.38-1/sources/1.37.0/gh/nabeelomer/ImageBuilder:/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] 7a9b6d6ebf11dcebc996d59603518f07ab6503a61cadad5e87157909b0f65972
[INFO] running `"docker" "start" "-a" "7a9b6d6ebf11dcebc996d59603518f07ab6503a61cadad5e87157909b0f65972"`
[INFO] [stderr]    Compiling ImageBuilder v0.1.0 (/opt/crater/workdir)
[INFO] [stderr] warning: variable does not need to be mutable
[INFO] [stderr]   --> src/main.rs:11:9
[INFO] [stderr]    |
[INFO] [stderr] 11 |     let mut image = DynamicImage::new_rgba8(1920, 1080).to_rgba();
[INFO] [stderr]    |         ----^^^^^
[INFO] [stderr]    |         |
[INFO] [stderr]    |         help: remove this `mut`
[INFO] [stderr]    |
[INFO] [stderr]    = note: #[warn(unused_mut)] on by default
[INFO] [stderr] 
[INFO] [stderr] warning: crate `ImageBuilder` 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: `image_builder`
[INFO] [stderr] 
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 1.13s
[INFO] running `"docker" "inspect" "7a9b6d6ebf11dcebc996d59603518f07ab6503a61cadad5e87157909b0f65972"`
[INFO] running `"docker" "rm" "-f" "7a9b6d6ebf11dcebc996d59603518f07ab6503a61cadad5e87157909b0f65972"`
[INFO] [stdout] 7a9b6d6ebf11dcebc996d59603518f07ab6503a61cadad5e87157909b0f65972
[INFO] running `"docker" "create" "-v" "/mnt/big/crater/work/local/target-dirs/beta-1.38-1/worker-3/1.37.0:/opt/crater/target:rw,Z" "-v" "/mnt/big/crater/work/ex/beta-1.38-1/sources/1.37.0/gh/nabeelomer/ImageBuilder:/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] a079286544f21a96bf5f8baf4f79ebc10a64c4981d52ba030be64385ac8ea2a7
[INFO] running `"docker" "start" "-a" "a079286544f21a96bf5f8baf4f79ebc10a64c4981d52ba030be64385ac8ea2a7"`
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 0.09s
[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/ImageBuilder-3abc32a0a2681c80
[INFO] running `"docker" "inspect" "a079286544f21a96bf5f8baf4f79ebc10a64c4981d52ba030be64385ac8ea2a7"`
[INFO] running `"docker" "rm" "-f" "a079286544f21a96bf5f8baf4f79ebc10a64c4981d52ba030be64385ac8ea2a7"`
[INFO] [stdout] a079286544f21a96bf5f8baf4f79ebc10a64c4981d52ba030be64385ac8ea2a7