[INFO] updating cached repository pchampin/pair_trait
[INFO] running `"git" "fetch" "--all"`
[INFO] [stdout] Fetching origin
[INFO] [stderr] From git://github.com/pchampin/pair_trait
[INFO] [stderr]  * branch            HEAD       -> FETCH_HEAD
[INFO] running `"git" "clone" "work/cache/sources/gh/pchampin/pair_trait" "work/ex/beta-1.38-1/sources/1.37.0/gh/pchampin/pair_trait"`
[INFO] [stderr] Cloning into 'work/ex/beta-1.38-1/sources/1.37.0/gh/pchampin/pair_trait'...
[INFO] [stderr] done.
[INFO] running `"git" "clone" "work/cache/sources/gh/pchampin/pair_trait" "work/ex/beta-1.38-1/sources/beta-2019-08-13/gh/pchampin/pair_trait"`
[INFO] [stderr] Cloning into 'work/ex/beta-1.38-1/sources/beta-2019-08-13/gh/pchampin/pair_trait'...
[INFO] [stderr] done.
[INFO] running `"git" "rev-parse" "HEAD"`
[INFO] [stdout] 7f47d86bec5bc5da166f88c7cc8c5b26dc6922cf
[INFO] sha for GitHub repo pchampin/pair_trait: 7f47d86bec5bc5da166f88c7cc8c5b26dc6922cf
[INFO] validating manifest of pchampin/pair_trait 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 pchampin/pair_trait 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 pchampin/pair_trait
[INFO] finished frobbing pchampin/pair_trait
[INFO] frobbed toml for pchampin/pair_trait written to work/ex/beta-1.38-1/sources/1.37.0/gh/pchampin/pair_trait/Cargo.toml
[INFO] started frobbing pchampin/pair_trait
[INFO] finished frobbing pchampin/pair_trait
[INFO] frobbed toml for pchampin/pair_trait written to work/ex/beta-1.38-1/sources/beta-2019-08-13/gh/pchampin/pair_trait/Cargo.toml
[INFO] crate pchampin/pair_trait 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 pchampin/pair_trait 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/pchampin/pair_trait:/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] f7daa6ad024c50d51866a92759de885422ffdada87c6817ea38fe67c2e0bdea4
[INFO] running `"docker" "start" "-a" "f7daa6ad024c50d51866a92759de885422ffdada87c6817ea38fe67c2e0bdea4"`
[INFO] [stderr]    Compiling stable_deref_trait v1.1.1
[INFO] [stderr]    Compiling syn v0.13.11
[INFO] [stderr]    Compiling rental-impl v0.5.0
[INFO] [stderr]    Compiling rental v0.5.1
[INFO] [stderr]    Compiling trait_pair v0.1.0 (/opt/crater/workdir)
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 39.66s
[INFO] running `"docker" "inspect" "f7daa6ad024c50d51866a92759de885422ffdada87c6817ea38fe67c2e0bdea4"`
[INFO] running `"docker" "rm" "-f" "f7daa6ad024c50d51866a92759de885422ffdada87c6817ea38fe67c2e0bdea4"`
[INFO] [stdout] f7daa6ad024c50d51866a92759de885422ffdada87c6817ea38fe67c2e0bdea4
[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/pchampin/pair_trait:/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] f108b36d1f8e551786f5639712ac6c7b6ef0bb9dda9cb9a95ad6626f68c58b55
[INFO] running `"docker" "start" "-a" "f108b36d1f8e551786f5639712ac6c7b6ef0bb9dda9cb9a95ad6626f68c58b55"`
[INFO] [stderr]    Compiling trait_pair v0.1.0 (/opt/crater/workdir)
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 0.93s
[INFO] running `"docker" "inspect" "f108b36d1f8e551786f5639712ac6c7b6ef0bb9dda9cb9a95ad6626f68c58b55"`
[INFO] running `"docker" "rm" "-f" "f108b36d1f8e551786f5639712ac6c7b6ef0bb9dda9cb9a95ad6626f68c58b55"`
[INFO] [stdout] f108b36d1f8e551786f5639712ac6c7b6ef0bb9dda9cb9a95ad6626f68c58b55
[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/pchampin/pair_trait:/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] 889bae387545d0bfb3fb5d8647665cd8f5514018d4915025cc968238a97b79a9
[INFO] running `"docker" "start" "-a" "889bae387545d0bfb3fb5d8647665cd8f5514018d4915025cc968238a97b79a9"`
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 0.03s
[INFO] [stderr]      Running /opt/crater/target/debug/deps/trait_pair-838b953c578dcbb1
[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" "889bae387545d0bfb3fb5d8647665cd8f5514018d4915025cc968238a97b79a9"`
[INFO] running `"docker" "rm" "-f" "889bae387545d0bfb3fb5d8647665cd8f5514018d4915025cc968238a97b79a9"`
[INFO] [stdout] 889bae387545d0bfb3fb5d8647665cd8f5514018d4915025cc968238a97b79a9