[INFO] updating cached repository juhnowski/rust-pattern_matching
[INFO] running `"git" "fetch" "--all"`
[INFO] [stdout] Fetching origin
[INFO] [stderr] From git://github.com/juhnowski/rust-pattern_matching
[INFO] [stderr]  * branch            HEAD       -> FETCH_HEAD
[INFO] running `"git" "clone" "work/cache/sources/gh/juhnowski/rust-pattern_matching" "work/ex/beta-1.38-1/sources/1.37.0/gh/juhnowski/rust-pattern_matching"`
[INFO] [stderr] Cloning into 'work/ex/beta-1.38-1/sources/1.37.0/gh/juhnowski/rust-pattern_matching'...
[INFO] [stderr] done.
[INFO] running `"git" "clone" "work/cache/sources/gh/juhnowski/rust-pattern_matching" "work/ex/beta-1.38-1/sources/beta-2019-08-13/gh/juhnowski/rust-pattern_matching"`
[INFO] [stderr] Cloning into 'work/ex/beta-1.38-1/sources/beta-2019-08-13/gh/juhnowski/rust-pattern_matching'...
[INFO] [stderr] done.
[INFO] running `"git" "rev-parse" "HEAD"`
[INFO] [stdout] 50e9717701ef1568601020b6cf7d1b8b6a2abd26
[INFO] sha for GitHub repo juhnowski/rust-pattern_matching: 50e9717701ef1568601020b6cf7d1b8b6a2abd26
[INFO] validating manifest of juhnowski/rust-pattern_matching 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 juhnowski/rust-pattern_matching 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 juhnowski/rust-pattern_matching
[INFO] finished frobbing juhnowski/rust-pattern_matching
[INFO] frobbed toml for juhnowski/rust-pattern_matching written to work/ex/beta-1.38-1/sources/1.37.0/gh/juhnowski/rust-pattern_matching/Cargo.toml
[INFO] started frobbing juhnowski/rust-pattern_matching
[INFO] finished frobbing juhnowski/rust-pattern_matching
[INFO] frobbed toml for juhnowski/rust-pattern_matching written to work/ex/beta-1.38-1/sources/beta-2019-08-13/gh/juhnowski/rust-pattern_matching/Cargo.toml
[INFO] crate juhnowski/rust-pattern_matching 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 juhnowski/rust-pattern_matching 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-1/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/juhnowski/rust-pattern_matching:/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] b831106d5104fece6b211a3ddc8837868fb63e32ee973a42d6a917daf3a1f9f2
[INFO] running `"docker" "start" "-a" "b831106d5104fece6b211a3ddc8837868fb63e32ee973a42d6a917daf3a1f9f2"`
[INFO] [stderr]    Compiling patterns v0.1.0 (/opt/crater/workdir)
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 0.44s
[INFO] running `"docker" "inspect" "b831106d5104fece6b211a3ddc8837868fb63e32ee973a42d6a917daf3a1f9f2"`
[INFO] running `"docker" "rm" "-f" "b831106d5104fece6b211a3ddc8837868fb63e32ee973a42d6a917daf3a1f9f2"`
[INFO] [stdout] b831106d5104fece6b211a3ddc8837868fb63e32ee973a42d6a917daf3a1f9f2
[INFO] running `"docker" "create" "-v" "/mnt/big/crater/work/local/target-dirs/beta-1.38-1/worker-1/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/juhnowski/rust-pattern_matching:/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] a0d9d21e06d758d3a7fa37b411551631b52be0837b1dfe4f38d0af82cb9c0f87
[INFO] running `"docker" "start" "-a" "a0d9d21e06d758d3a7fa37b411551631b52be0837b1dfe4f38d0af82cb9c0f87"`
[INFO] [stderr]    Compiling patterns v0.1.0 (/opt/crater/workdir)
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 0.35s
[INFO] running `"docker" "inspect" "a0d9d21e06d758d3a7fa37b411551631b52be0837b1dfe4f38d0af82cb9c0f87"`
[INFO] running `"docker" "rm" "-f" "a0d9d21e06d758d3a7fa37b411551631b52be0837b1dfe4f38d0af82cb9c0f87"`
[INFO] [stdout] a0d9d21e06d758d3a7fa37b411551631b52be0837b1dfe4f38d0af82cb9c0f87
[INFO] running `"docker" "create" "-v" "/mnt/big/crater/work/local/target-dirs/beta-1.38-1/worker-1/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/juhnowski/rust-pattern_matching:/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] fb2cd81f8a52016269c439f100fa54a13b77a99e7d21a7f27f542fabeccfc35d
[INFO] running `"docker" "start" "-a" "fb2cd81f8a52016269c439f100fa54a13b77a99e7d21a7f27f542fabeccfc35d"`
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 0.01s
[INFO] [stderr]      Running /opt/crater/target/debug/deps/patterns-61aa497401204c87
[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" "fb2cd81f8a52016269c439f100fa54a13b77a99e7d21a7f27f542fabeccfc35d"`
[INFO] running `"docker" "rm" "-f" "fb2cd81f8a52016269c439f100fa54a13b77a99e7d21a7f27f542fabeccfc35d"`
[INFO] [stdout] fb2cd81f8a52016269c439f100fa54a13b77a99e7d21a7f27f542fabeccfc35d