[INFO] updating cached repository HamaguRe/sqrt_diff
[INFO] running `"git" "fetch" "--all"`
[INFO] [stdout] Fetching origin
[INFO] [stderr] From git://github.com/HamaguRe/sqrt_diff
[INFO] [stderr]  * branch            HEAD       -> FETCH_HEAD
[INFO] running `"git" "clone" "work/cache/sources/gh/HamaguRe/sqrt_diff" "work/ex/beta-1.38-1/sources/1.37.0/gh/HamaguRe/sqrt_diff"`
[INFO] [stderr] Cloning into 'work/ex/beta-1.38-1/sources/1.37.0/gh/HamaguRe/sqrt_diff'...
[INFO] [stderr] done.
[INFO] running `"git" "clone" "work/cache/sources/gh/HamaguRe/sqrt_diff" "work/ex/beta-1.38-1/sources/beta-2019-08-13/gh/HamaguRe/sqrt_diff"`
[INFO] [stderr] Cloning into 'work/ex/beta-1.38-1/sources/beta-2019-08-13/gh/HamaguRe/sqrt_diff'...
[INFO] [stderr] done.
[INFO] running `"git" "rev-parse" "HEAD"`
[INFO] [stdout] bb79bc2efc984af226deb6bda461941c6a3bd3fa
[INFO] sha for GitHub repo HamaguRe/sqrt_diff: bb79bc2efc984af226deb6bda461941c6a3bd3fa
[INFO] validating manifest of HamaguRe/sqrt_diff 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 HamaguRe/sqrt_diff 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 HamaguRe/sqrt_diff
[INFO] finished frobbing HamaguRe/sqrt_diff
[INFO] frobbed toml for HamaguRe/sqrt_diff written to work/ex/beta-1.38-1/sources/1.37.0/gh/HamaguRe/sqrt_diff/Cargo.toml
[INFO] started frobbing HamaguRe/sqrt_diff
[INFO] finished frobbing HamaguRe/sqrt_diff
[INFO] frobbed toml for HamaguRe/sqrt_diff written to work/ex/beta-1.38-1/sources/beta-2019-08-13/gh/HamaguRe/sqrt_diff/Cargo.toml
[INFO] crate HamaguRe/sqrt_diff 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 HamaguRe/sqrt_diff 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-4/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/HamaguRe/sqrt_diff:/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] d1a5baa201df29f6745a1085d56e719682a0c3025c3aee49bd1e414a59ac816a
[INFO] running `"docker" "start" "-a" "d1a5baa201df29f6745a1085d56e719682a0c3025c3aee49bd1e414a59ac816a"`
[INFO] [stderr]    Compiling sqrt_diff v0.1.0 (/opt/crater/workdir)
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 1.22s
[INFO] running `"docker" "inspect" "d1a5baa201df29f6745a1085d56e719682a0c3025c3aee49bd1e414a59ac816a"`
[INFO] running `"docker" "rm" "-f" "d1a5baa201df29f6745a1085d56e719682a0c3025c3aee49bd1e414a59ac816a"`
[INFO] [stdout] d1a5baa201df29f6745a1085d56e719682a0c3025c3aee49bd1e414a59ac816a
[INFO] running `"docker" "create" "-v" "/mnt/big/crater/work/local/target-dirs/beta-1.38-1/worker-4/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/HamaguRe/sqrt_diff:/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] 247ddfc9e3702ffbc3fee3f1274fe0bc250d166a132a94667f9f885dbf35e11f
[INFO] running `"docker" "start" "-a" "247ddfc9e3702ffbc3fee3f1274fe0bc250d166a132a94667f9f885dbf35e11f"`
[INFO] [stderr]    Compiling sqrt_diff v0.1.0 (/opt/crater/workdir)
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 0.85s
[INFO] running `"docker" "inspect" "247ddfc9e3702ffbc3fee3f1274fe0bc250d166a132a94667f9f885dbf35e11f"`
[INFO] running `"docker" "rm" "-f" "247ddfc9e3702ffbc3fee3f1274fe0bc250d166a132a94667f9f885dbf35e11f"`
[INFO] [stdout] 247ddfc9e3702ffbc3fee3f1274fe0bc250d166a132a94667f9f885dbf35e11f
[INFO] running `"docker" "create" "-v" "/mnt/big/crater/work/local/target-dirs/beta-1.38-1/worker-4/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/HamaguRe/sqrt_diff:/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] 578b8781267b7d8fb1a5810a83c851f2e4ae93e8799960b1f837d26405ae3581
[INFO] running `"docker" "start" "-a" "578b8781267b7d8fb1a5810a83c851f2e4ae93e8799960b1f837d26405ae3581"`
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 0.03s
[INFO] [stderr]      Running /opt/crater/target/debug/deps/sqrt_diff-60d6e4ed0d838537
[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" "578b8781267b7d8fb1a5810a83c851f2e4ae93e8799960b1f837d26405ae3581"`
[INFO] running `"docker" "rm" "-f" "578b8781267b7d8fb1a5810a83c851f2e4ae93e8799960b1f837d26405ae3581"`
[INFO] [stdout] 578b8781267b7d8fb1a5810a83c851f2e4ae93e8799960b1f837d26405ae3581