[INFO] updating cached repository hwchen/melt
[INFO] running `"git" "fetch" "--all"`
[INFO] [stdout] Fetching origin
[INFO] [stderr] From git://github.com/hwchen/melt
[INFO] [stderr]  * branch            HEAD       -> FETCH_HEAD
[INFO] running `"git" "clone" "work/cache/sources/gh/hwchen/melt" "work/ex/beta-1.37-6/sources/1.36.0/gh/hwchen/melt"`
[INFO] [stderr] Cloning into 'work/ex/beta-1.37-6/sources/1.36.0/gh/hwchen/melt'...
[INFO] [stderr] done.
[INFO] running `"git" "clone" "work/cache/sources/gh/hwchen/melt" "work/ex/beta-1.37-6/sources/beta-2019-07-23/gh/hwchen/melt"`
[INFO] [stderr] Cloning into 'work/ex/beta-1.37-6/sources/beta-2019-07-23/gh/hwchen/melt'...
[INFO] [stderr] done.
[INFO] running `"git" "rev-parse" "HEAD"`
[INFO] [stdout] 25c234d0cef2861db70f9d5473f73e745e7f1c45
[INFO] sha for GitHub repo hwchen/melt: 25c234d0cef2861db70f9d5473f73e745e7f1c45
[INFO] validating manifest of hwchen/melt on toolchain 1.36.0
[INFO] running `"/mnt/big/crater/work/local/cargo-home/bin/cargo" "+1.36.0" "read-manifest" "--manifest-path" "Cargo.toml"`
[INFO] validating manifest of hwchen/melt on toolchain beta-2019-07-23
[INFO] running `"/mnt/big/crater/work/local/cargo-home/bin/cargo" "+beta-2019-07-23" "read-manifest" "--manifest-path" "Cargo.toml"`
[INFO] started frobbing hwchen/melt
[INFO] finished frobbing hwchen/melt
[INFO] frobbed toml for hwchen/melt written to work/ex/beta-1.37-6/sources/1.36.0/gh/hwchen/melt/Cargo.toml
[INFO] started frobbing hwchen/melt
[INFO] finished frobbing hwchen/melt
[INFO] frobbed toml for hwchen/melt written to work/ex/beta-1.37-6/sources/beta-2019-07-23/gh/hwchen/melt/Cargo.toml
[INFO] crate hwchen/melt already has a lockfile, it will not be regenerated
[INFO] running `"/mnt/big/crater/work/local/cargo-home/bin/cargo" "+1.36.0" "fetch" "--locked" "--manifest-path" "Cargo.toml"`
[INFO] running `"/mnt/big/crater/work/local/cargo-home/bin/cargo" "+beta-2019-07-23" "fetch" "--locked" "--manifest-path" "Cargo.toml"`
[INFO] testing hwchen/melt against beta-2019-07-23 for beta-1.37-6
[INFO] running `"docker" "create" "-v" "/mnt/big/crater/work/local/target-dirs/beta-1.37-6/worker-5/beta-2019-07-23:/opt/crater/target:rw,Z" "-v" "/mnt/big/crater/work/ex/beta-1.37-6/sources/beta-2019-07-23/gh/hwchen/melt:/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-2019-07-23" "build" "--frozen"`
[INFO] [stdout] d6eba9f6ecaf79024e44b0114a8af7b6361aab29705874d95bcde4ff3464e0fa
[INFO] running `"docker" "start" "-a" "d6eba9f6ecaf79024e44b0114a8af7b6361aab29705874d95bcde4ff3464e0fa"`
[INFO] [stderr]    Compiling memchr v2.1.3
[INFO] [stderr]    Compiling serde v1.0.85
[INFO] [stderr]    Compiling csv-core v0.1.5
[INFO] [stderr]    Compiling csv v1.0.5
[INFO] [stderr]    Compiling melt v0.1.0 (/opt/crater/workdir)
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 19.49s
[INFO] running `"docker" "inspect" "d6eba9f6ecaf79024e44b0114a8af7b6361aab29705874d95bcde4ff3464e0fa"`
[INFO] running `"docker" "rm" "-f" "d6eba9f6ecaf79024e44b0114a8af7b6361aab29705874d95bcde4ff3464e0fa"`
[INFO] [stdout] d6eba9f6ecaf79024e44b0114a8af7b6361aab29705874d95bcde4ff3464e0fa
[INFO] running `"docker" "create" "-v" "/mnt/big/crater/work/local/target-dirs/beta-1.37-6/worker-5/beta-2019-07-23:/opt/crater/target:rw,Z" "-v" "/mnt/big/crater/work/ex/beta-1.37-6/sources/beta-2019-07-23/gh/hwchen/melt:/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-2019-07-23" "test" "--frozen" "--no-run"`
[INFO] [stdout] 61d71f7ac1e58e3fb5ca73d335ba0ae47fdf0e02c19850800e4f9edb0c6e41bd
[INFO] running `"docker" "start" "-a" "61d71f7ac1e58e3fb5ca73d335ba0ae47fdf0e02c19850800e4f9edb0c6e41bd"`
[INFO] [stderr]    Compiling melt v0.1.0 (/opt/crater/workdir)
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 0.99s
[INFO] running `"docker" "inspect" "61d71f7ac1e58e3fb5ca73d335ba0ae47fdf0e02c19850800e4f9edb0c6e41bd"`
[INFO] running `"docker" "rm" "-f" "61d71f7ac1e58e3fb5ca73d335ba0ae47fdf0e02c19850800e4f9edb0c6e41bd"`
[INFO] [stdout] 61d71f7ac1e58e3fb5ca73d335ba0ae47fdf0e02c19850800e4f9edb0c6e41bd
[INFO] running `"docker" "create" "-v" "/mnt/big/crater/work/local/target-dirs/beta-1.37-6/worker-5/beta-2019-07-23:/opt/crater/target:rw,Z" "-v" "/mnt/big/crater/work/ex/beta-1.37-6/sources/beta-2019-07-23/gh/hwchen/melt:/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-2019-07-23" "test" "--frozen"`
[INFO] [stdout] 84398e2c94bf08976206e31c6bacdc51ac73356830ed23a6632a886cddc257de
[INFO] running `"docker" "start" "-a" "84398e2c94bf08976206e31c6bacdc51ac73356830ed23a6632a886cddc257de"`
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 0.10s
[INFO] [stderr]      Running /opt/crater/target/debug/deps/melt-f17cf2a979e6100b
[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" "84398e2c94bf08976206e31c6bacdc51ac73356830ed23a6632a886cddc257de"`
[INFO] running `"docker" "rm" "-f" "84398e2c94bf08976206e31c6bacdc51ac73356830ed23a6632a886cddc257de"`
[INFO] [stdout] 84398e2c94bf08976206e31c6bacdc51ac73356830ed23a6632a886cddc257de