[INFO] updating cached repository juhnowski/rust_arrays
[INFO] running `"git" "fetch" "--all"`
[INFO] [stdout] Fetching origin
[INFO] [stderr] From git://github.com/juhnowski/rust_arrays
[INFO] [stderr]  * branch            HEAD       -> FETCH_HEAD
[INFO] running `"git" "clone" "work/cache/sources/gh/juhnowski/rust_arrays" "work/ex/beta-1.37-6/sources/1.36.0/gh/juhnowski/rust_arrays"`
[INFO] [stderr] Cloning into 'work/ex/beta-1.37-6/sources/1.36.0/gh/juhnowski/rust_arrays'...
[INFO] [stderr] done.
[INFO] running `"git" "clone" "work/cache/sources/gh/juhnowski/rust_arrays" "work/ex/beta-1.37-6/sources/beta-2019-07-23/gh/juhnowski/rust_arrays"`
[INFO] [stderr] Cloning into 'work/ex/beta-1.37-6/sources/beta-2019-07-23/gh/juhnowski/rust_arrays'...
[INFO] [stderr] done.
[INFO] running `"git" "rev-parse" "HEAD"`
[INFO] [stdout] 2ce4d96a989242c6ed3a3cf035076d89d89d6b55
[INFO] sha for GitHub repo juhnowski/rust_arrays: 2ce4d96a989242c6ed3a3cf035076d89d89d6b55
[INFO] validating manifest of juhnowski/rust_arrays 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 juhnowski/rust_arrays 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 juhnowski/rust_arrays
[INFO] finished frobbing juhnowski/rust_arrays
[INFO] frobbed toml for juhnowski/rust_arrays written to work/ex/beta-1.37-6/sources/1.36.0/gh/juhnowski/rust_arrays/Cargo.toml
[INFO] started frobbing juhnowski/rust_arrays
[INFO] finished frobbing juhnowski/rust_arrays
[INFO] frobbed toml for juhnowski/rust_arrays written to work/ex/beta-1.37-6/sources/beta-2019-07-23/gh/juhnowski/rust_arrays/Cargo.toml
[INFO] crate juhnowski/rust_arrays 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 juhnowski/rust_arrays against beta-2019-07-23 for beta-1.37-6
[INFO] running `"docker" "create" "-v" "/mnt/big/crater/work/local/target-dirs/beta-1.37-6/worker-4/beta-2019-07-23:/opt/crater/target:rw,Z" "-v" "/mnt/big/crater/work/ex/beta-1.37-6/sources/beta-2019-07-23/gh/juhnowski/rust_arrays:/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-2019-07-23" "build" "--frozen"`
[INFO] [stdout] 708310f9e4009a8c4196ba540273c60e6f93bd732e9856f7245884a470eeccdc
[INFO] running `"docker" "start" "-a" "708310f9e4009a8c4196ba540273c60e6f93bd732e9856f7245884a470eeccdc"`
[INFO] [stderr]    Compiling arrays v0.1.0 (/opt/crater/workdir)
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 0.32s
[INFO] running `"docker" "inspect" "708310f9e4009a8c4196ba540273c60e6f93bd732e9856f7245884a470eeccdc"`
[INFO] running `"docker" "rm" "-f" "708310f9e4009a8c4196ba540273c60e6f93bd732e9856f7245884a470eeccdc"`
[INFO] [stdout] 708310f9e4009a8c4196ba540273c60e6f93bd732e9856f7245884a470eeccdc
[INFO] running `"docker" "create" "-v" "/mnt/big/crater/work/local/target-dirs/beta-1.37-6/worker-4/beta-2019-07-23:/opt/crater/target:rw,Z" "-v" "/mnt/big/crater/work/ex/beta-1.37-6/sources/beta-2019-07-23/gh/juhnowski/rust_arrays:/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-2019-07-23" "test" "--frozen" "--no-run"`
[INFO] [stdout] 29c4987fc47f0a78cb508a94ac153ba0eb47961d192fd0f0990dfb8050b59929
[INFO] running `"docker" "start" "-a" "29c4987fc47f0a78cb508a94ac153ba0eb47961d192fd0f0990dfb8050b59929"`
[INFO] [stderr]    Compiling arrays v0.1.0 (/opt/crater/workdir)
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 0.41s
[INFO] running `"docker" "inspect" "29c4987fc47f0a78cb508a94ac153ba0eb47961d192fd0f0990dfb8050b59929"`
[INFO] running `"docker" "rm" "-f" "29c4987fc47f0a78cb508a94ac153ba0eb47961d192fd0f0990dfb8050b59929"`
[INFO] [stdout] 29c4987fc47f0a78cb508a94ac153ba0eb47961d192fd0f0990dfb8050b59929
[INFO] running `"docker" "create" "-v" "/mnt/big/crater/work/local/target-dirs/beta-1.37-6/worker-4/beta-2019-07-23:/opt/crater/target:rw,Z" "-v" "/mnt/big/crater/work/ex/beta-1.37-6/sources/beta-2019-07-23/gh/juhnowski/rust_arrays:/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-2019-07-23" "test" "--frozen"`
[INFO] [stdout] 355efe0e2e79dd07f03a121e5956f289d274a7d7896a0fa1dcf3de9cb28f8ad9
[INFO] running `"docker" "start" "-a" "355efe0e2e79dd07f03a121e5956f289d274a7d7896a0fa1dcf3de9cb28f8ad9"`
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 0.01s
[INFO] [stderr]      Running /opt/crater/target/debug/deps/arrays-f08a8a1bbeadfd12
[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" "355efe0e2e79dd07f03a121e5956f289d274a7d7896a0fa1dcf3de9cb28f8ad9"`
[INFO] running `"docker" "rm" "-f" "355efe0e2e79dd07f03a121e5956f289d274a7d7896a0fa1dcf3de9cb28f8ad9"`
[INFO] [stdout] 355efe0e2e79dd07f03a121e5956f289d274a7d7896a0fa1dcf3de9cb28f8ad9