[INFO] updating cached repository phansch/prs
[INFO] running `"git" "fetch" "--all"`
[INFO] [stdout] Fetching origin
[INFO] [stderr] From git://github.com/phansch/prs
[INFO] [stderr]  * branch            HEAD       -> FETCH_HEAD
[INFO] running `"git" "clone" "work/cache/sources/gh/phansch/prs" "work/ex/beta-1.38-1/sources/1.37.0/gh/phansch/prs"`
[INFO] [stderr] Cloning into 'work/ex/beta-1.38-1/sources/1.37.0/gh/phansch/prs'...
[INFO] [stderr] done.
[INFO] running `"git" "clone" "work/cache/sources/gh/phansch/prs" "work/ex/beta-1.38-1/sources/beta-2019-08-13/gh/phansch/prs"`
[INFO] [stderr] Cloning into 'work/ex/beta-1.38-1/sources/beta-2019-08-13/gh/phansch/prs'...
[INFO] [stderr] done.
[INFO] running `"git" "rev-parse" "HEAD"`
[INFO] [stdout] 411ab3c023f976abf9b6ab4c9f739e97723b3895
[INFO] sha for GitHub repo phansch/prs: 411ab3c023f976abf9b6ab4c9f739e97723b3895
[INFO] validating manifest of phansch/prs 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 phansch/prs 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 phansch/prs
[INFO] finished frobbing phansch/prs
[INFO] frobbed toml for phansch/prs written to work/ex/beta-1.38-1/sources/1.37.0/gh/phansch/prs/Cargo.toml
[INFO] started frobbing phansch/prs
[INFO] finished frobbing phansch/prs
[INFO] frobbed toml for phansch/prs written to work/ex/beta-1.38-1/sources/beta-2019-08-13/gh/phansch/prs/Cargo.toml
[INFO] crate phansch/prs 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 phansch/prs 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-2/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/phansch/prs:/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] ec816db625e673fffb43c44be76de84a75ab476db1079b866e9e149203018c0b
[INFO] running `"docker" "start" "-a" "ec816db625e673fffb43c44be76de84a75ab476db1079b866e9e149203018c0b"`
[INFO] [stderr]    Compiling backtrace-sys v0.1.26
[INFO] [stderr]    Compiling hyperx v0.13.1
[INFO] [stderr]    Compiling serde_derive v1.0.82
[INFO] [stderr]    Compiling backtrace v0.3.13
[INFO] [stderr]    Compiling error-chain v0.12.0
[INFO] [stderr]    Compiling hubcaps v0.5.0
[INFO] [stderr]    Compiling prs v0.1.0 (/opt/crater/workdir)
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 54.87s
[INFO] running `"docker" "inspect" "ec816db625e673fffb43c44be76de84a75ab476db1079b866e9e149203018c0b"`
[INFO] running `"docker" "rm" "-f" "ec816db625e673fffb43c44be76de84a75ab476db1079b866e9e149203018c0b"`
[INFO] [stdout] ec816db625e673fffb43c44be76de84a75ab476db1079b866e9e149203018c0b
[INFO] running `"docker" "create" "-v" "/mnt/big/crater/work/local/target-dirs/beta-1.38-1/worker-2/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/phansch/prs:/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] 048bf1b460c0ada1c4cfb85f230801be52fd69c0c80f5e3f71626fcd7f840a5b
[INFO] running `"docker" "start" "-a" "048bf1b460c0ada1c4cfb85f230801be52fd69c0c80f5e3f71626fcd7f840a5b"`
[INFO] [stderr]    Compiling prs v0.1.0 (/opt/crater/workdir)
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 2.33s
[INFO] running `"docker" "inspect" "048bf1b460c0ada1c4cfb85f230801be52fd69c0c80f5e3f71626fcd7f840a5b"`
[INFO] running `"docker" "rm" "-f" "048bf1b460c0ada1c4cfb85f230801be52fd69c0c80f5e3f71626fcd7f840a5b"`
[INFO] [stdout] 048bf1b460c0ada1c4cfb85f230801be52fd69c0c80f5e3f71626fcd7f840a5b
[INFO] running `"docker" "create" "-v" "/mnt/big/crater/work/local/target-dirs/beta-1.38-1/worker-2/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/phansch/prs:/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] 7f8f69c476988c84a6ddbc887f4861231302516f120d212d3e9265a6f7e10b7b
[INFO] running `"docker" "start" "-a" "7f8f69c476988c84a6ddbc887f4861231302516f120d212d3e9265a6f7e10b7b"`
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 0.11s
[INFO] [stderr]      Running /opt/crater/target/debug/deps/prs-a98537d5ab03dff1
[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/prs-425c0f78ed9eb5e3
[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]    Doc-tests prs
[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" "7f8f69c476988c84a6ddbc887f4861231302516f120d212d3e9265a6f7e10b7b"`
[INFO] running `"docker" "rm" "-f" "7f8f69c476988c84a6ddbc887f4861231302516f120d212d3e9265a6f7e10b7b"`
[INFO] [stdout] 7f8f69c476988c84a6ddbc887f4861231302516f120d212d3e9265a6f7e10b7b