[INFO] updating cached repository ChristianBell1995/collections
[INFO] running `"git" "fetch" "--all"`
[INFO] [stdout] Fetching origin
[INFO] [stderr] From git://github.com/ChristianBell1995/collections
[INFO] [stderr]  * branch            HEAD       -> FETCH_HEAD
[INFO] running `"git" "clone" "work/cache/sources/gh/ChristianBell1995/collections" "work/ex/beta-1.38-1/sources/1.37.0/gh/ChristianBell1995/collections"`
[INFO] [stderr] Cloning into 'work/ex/beta-1.38-1/sources/1.37.0/gh/ChristianBell1995/collections'...
[INFO] [stderr] done.
[INFO] running `"git" "clone" "work/cache/sources/gh/ChristianBell1995/collections" "work/ex/beta-1.38-1/sources/beta-2019-08-13/gh/ChristianBell1995/collections"`
[INFO] [stderr] Cloning into 'work/ex/beta-1.38-1/sources/beta-2019-08-13/gh/ChristianBell1995/collections'...
[INFO] [stderr] done.
[INFO] running `"git" "rev-parse" "HEAD"`
[INFO] [stdout] a9527940524073eed4cfb9a0f704484f0d146671
[INFO] sha for GitHub repo ChristianBell1995/collections: a9527940524073eed4cfb9a0f704484f0d146671
[INFO] validating manifest of ChristianBell1995/collections 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 ChristianBell1995/collections 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 ChristianBell1995/collections
[INFO] finished frobbing ChristianBell1995/collections
[INFO] frobbed toml for ChristianBell1995/collections written to work/ex/beta-1.38-1/sources/1.37.0/gh/ChristianBell1995/collections/Cargo.toml
[INFO] started frobbing ChristianBell1995/collections
[INFO] finished frobbing ChristianBell1995/collections
[INFO] frobbed toml for ChristianBell1995/collections written to work/ex/beta-1.38-1/sources/beta-2019-08-13/gh/ChristianBell1995/collections/Cargo.toml
[INFO] crate ChristianBell1995/collections 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 ChristianBell1995/collections 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/ChristianBell1995/collections:/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] 0575572dbaec48e11e49719f6075699b54597b61d5660d94639490d72b07e97e
[INFO] running `"docker" "start" "-a" "0575572dbaec48e11e49719f6075699b54597b61d5660d94639490d72b07e97e"`
[INFO] [stderr]    Compiling collections v0.1.0 (/opt/crater/workdir)
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 0.65s
[INFO] running `"docker" "inspect" "0575572dbaec48e11e49719f6075699b54597b61d5660d94639490d72b07e97e"`
[INFO] running `"docker" "rm" "-f" "0575572dbaec48e11e49719f6075699b54597b61d5660d94639490d72b07e97e"`
[INFO] [stdout] 0575572dbaec48e11e49719f6075699b54597b61d5660d94639490d72b07e97e
[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/ChristianBell1995/collections:/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] 37a1447a993d11b493be8fa8bce7576c106608df5847ea7b64e3f6f7ce83abdc
[INFO] running `"docker" "start" "-a" "37a1447a993d11b493be8fa8bce7576c106608df5847ea7b64e3f6f7ce83abdc"`
[INFO] [stderr]    Compiling collections v0.1.0 (/opt/crater/workdir)
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 0.38s
[INFO] running `"docker" "inspect" "37a1447a993d11b493be8fa8bce7576c106608df5847ea7b64e3f6f7ce83abdc"`
[INFO] running `"docker" "rm" "-f" "37a1447a993d11b493be8fa8bce7576c106608df5847ea7b64e3f6f7ce83abdc"`
[INFO] [stdout] 37a1447a993d11b493be8fa8bce7576c106608df5847ea7b64e3f6f7ce83abdc
[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/ChristianBell1995/collections:/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] 8eb2e356e020fa31c19aa6fdd854a4ae031bb934c9ffb2f9cacb07974161ff4d
[INFO] running `"docker" "start" "-a" "8eb2e356e020fa31c19aa6fdd854a4ae031bb934c9ffb2f9cacb07974161ff4d"`
[INFO] [stdout] 
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 0.02s
[INFO] [stdout] running 0 tests
[INFO] [stderr]      Running /opt/crater/target/debug/deps/collections-dcf8f2dcfb8be624
[INFO] [stdout] 
[INFO] [stdout] test result: ok. 0 passed; 0 failed; 0 ignored; 0 measured; 0 filtered out
[INFO] [stdout] 
[INFO] running `"docker" "inspect" "8eb2e356e020fa31c19aa6fdd854a4ae031bb934c9ffb2f9cacb07974161ff4d"`
[INFO] running `"docker" "rm" "-f" "8eb2e356e020fa31c19aa6fdd854a4ae031bb934c9ffb2f9cacb07974161ff4d"`
[INFO] [stdout] 8eb2e356e020fa31c19aa6fdd854a4ae031bb934c9ffb2f9cacb07974161ff4d