[INFO] updating cached repository mathcrosp/scanner
[INFO] running `"git" "fetch" "--all"`
[INFO] [stdout] Fetching origin
[INFO] [stderr] From git://github.com/mathcrosp/scanner
[INFO] [stderr]  * branch            HEAD       -> FETCH_HEAD
[INFO] running `"git" "clone" "work/cache/sources/gh/mathcrosp/scanner" "work/ex/beta-1.38-1/sources/1.37.0/gh/mathcrosp/scanner"`
[INFO] [stderr] Cloning into 'work/ex/beta-1.38-1/sources/1.37.0/gh/mathcrosp/scanner'...
[INFO] [stderr] done.
[INFO] running `"git" "clone" "work/cache/sources/gh/mathcrosp/scanner" "work/ex/beta-1.38-1/sources/beta-2019-08-13/gh/mathcrosp/scanner"`
[INFO] [stderr] Cloning into 'work/ex/beta-1.38-1/sources/beta-2019-08-13/gh/mathcrosp/scanner'...
[INFO] [stderr] done.
[INFO] running `"git" "rev-parse" "HEAD"`
[INFO] [stdout] fa8567c4df765fcb75eae8b8d1f045419413f6e6
[INFO] sha for GitHub repo mathcrosp/scanner: fa8567c4df765fcb75eae8b8d1f045419413f6e6
[INFO] validating manifest of mathcrosp/scanner 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 mathcrosp/scanner 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 mathcrosp/scanner
[INFO] finished frobbing mathcrosp/scanner
[INFO] frobbed toml for mathcrosp/scanner written to work/ex/beta-1.38-1/sources/1.37.0/gh/mathcrosp/scanner/Cargo.toml
[INFO] started frobbing mathcrosp/scanner
[INFO] finished frobbing mathcrosp/scanner
[INFO] frobbed toml for mathcrosp/scanner written to work/ex/beta-1.38-1/sources/beta-2019-08-13/gh/mathcrosp/scanner/Cargo.toml
[INFO] crate mathcrosp/scanner 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] [stderr]     Blocking waiting for file lock on package cache
[INFO] testing mathcrosp/scanner 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-6/1.37.0:/opt/crater/target:rw,Z" "-v" "/mnt/big/crater/work/ex/beta-1.38-1/sources/1.37.0/gh/mathcrosp/scanner:/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] 33bd8f0995d54fdc0aafd38e0f0bd099d35c57276a78b5f9ef101b5ecf87ee83
[INFO] running `"docker" "start" "-a" "33bd8f0995d54fdc0aafd38e0f0bd099d35c57276a78b5f9ef101b5ecf87ee83"`
[INFO] [stderr]     Blocking waiting for file lock on package cache
[INFO] [stderr]    Compiling scanner v0.1.0 (/opt/crater/workdir)
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 2.47s
[INFO] running `"docker" "inspect" "33bd8f0995d54fdc0aafd38e0f0bd099d35c57276a78b5f9ef101b5ecf87ee83"`
[INFO] running `"docker" "rm" "-f" "33bd8f0995d54fdc0aafd38e0f0bd099d35c57276a78b5f9ef101b5ecf87ee83"`
[INFO] [stdout] 33bd8f0995d54fdc0aafd38e0f0bd099d35c57276a78b5f9ef101b5ecf87ee83
[INFO] running `"docker" "create" "-v" "/mnt/big/crater/work/local/target-dirs/beta-1.38-1/worker-6/1.37.0:/opt/crater/target:rw,Z" "-v" "/mnt/big/crater/work/ex/beta-1.38-1/sources/1.37.0/gh/mathcrosp/scanner:/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] 6f1334346202f761d766f667ceb5756db5b86f17f85b0873f98d10d6cc50e504
[INFO] running `"docker" "start" "-a" "6f1334346202f761d766f667ceb5756db5b86f17f85b0873f98d10d6cc50e504"`
[INFO] [stderr]    Compiling scanner v0.1.0 (/opt/crater/workdir)
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 0.83s
[INFO] running `"docker" "inspect" "6f1334346202f761d766f667ceb5756db5b86f17f85b0873f98d10d6cc50e504"`
[INFO] running `"docker" "rm" "-f" "6f1334346202f761d766f667ceb5756db5b86f17f85b0873f98d10d6cc50e504"`
[INFO] [stdout] 6f1334346202f761d766f667ceb5756db5b86f17f85b0873f98d10d6cc50e504
[INFO] running `"docker" "create" "-v" "/mnt/big/crater/work/local/target-dirs/beta-1.38-1/worker-6/1.37.0:/opt/crater/target:rw,Z" "-v" "/mnt/big/crater/work/ex/beta-1.38-1/sources/1.37.0/gh/mathcrosp/scanner:/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] e06e343c8b2911472b729df1824b6d2b720887db49d4c0ceb79fd524b40cbbcd
[INFO] running `"docker" "start" "-a" "e06e343c8b2911472b729df1824b6d2b720887db49d4c0ceb79fd524b40cbbcd"`
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 0.03s
[INFO] [stderr]      Running /opt/crater/target/debug/deps/scanner-32277b35a53fcce6
[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" "e06e343c8b2911472b729df1824b6d2b720887db49d4c0ceb79fd524b40cbbcd"`
[INFO] running `"docker" "rm" "-f" "e06e343c8b2911472b729df1824b6d2b720887db49d4c0ceb79fd524b40cbbcd"`
[INFO] [stdout] e06e343c8b2911472b729df1824b6d2b720887db49d4c0ceb79fd524b40cbbcd