[INFO] updating cached repository slice/dc
[INFO] running `"git" "fetch" "--all"`
[INFO] [stdout] Fetching origin
[INFO] [stderr] From git://github.com/slice/dc
[INFO] [stderr]  * branch            HEAD       -> FETCH_HEAD
[INFO] running `"git" "clone" "work/cache/sources/gh/slice/dc" "work/ex/beta-1.38-1/sources/1.37.0/gh/slice/dc"`
[INFO] [stderr] Cloning into 'work/ex/beta-1.38-1/sources/1.37.0/gh/slice/dc'...
[INFO] [stderr] done.
[INFO] running `"git" "clone" "work/cache/sources/gh/slice/dc" "work/ex/beta-1.38-1/sources/beta-2019-08-13/gh/slice/dc"`
[INFO] [stderr] Cloning into 'work/ex/beta-1.38-1/sources/beta-2019-08-13/gh/slice/dc'...
[INFO] [stderr] done.
[INFO] running `"git" "rev-parse" "HEAD"`
[INFO] [stdout] 369ae5192a37b178432c71510e2623d76ad92672
[INFO] sha for GitHub repo slice/dc: 369ae5192a37b178432c71510e2623d76ad92672
[INFO] validating manifest of slice/dc 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 slice/dc 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 slice/dc
[INFO] finished frobbing slice/dc
[INFO] frobbed toml for slice/dc written to work/ex/beta-1.38-1/sources/1.37.0/gh/slice/dc/Cargo.toml
[INFO] started frobbing slice/dc
[INFO] finished frobbing slice/dc
[INFO] frobbed toml for slice/dc written to work/ex/beta-1.38-1/sources/beta-2019-08-13/gh/slice/dc/Cargo.toml
[INFO] crate slice/dc 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 slice/dc 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/slice/dc:/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] a564eacae4c92b0cbf639a1a7490398eebb0e87d01ab2c45301fbac652ad2049
[INFO] running `"docker" "start" "-a" "a564eacae4c92b0cbf639a1a7490398eebb0e87d01ab2c45301fbac652ad2049"`
[INFO] [stderr]    Compiling dc v0.1.0 (/opt/crater/workdir)
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 0.70s
[INFO] running `"docker" "inspect" "a564eacae4c92b0cbf639a1a7490398eebb0e87d01ab2c45301fbac652ad2049"`
[INFO] running `"docker" "rm" "-f" "a564eacae4c92b0cbf639a1a7490398eebb0e87d01ab2c45301fbac652ad2049"`
[INFO] [stdout] a564eacae4c92b0cbf639a1a7490398eebb0e87d01ab2c45301fbac652ad2049
[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/slice/dc:/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] b6d9c753526aeda8abb21911fa2c5aabfd23690839858a9ad8e8a68f7b8c0069
[INFO] running `"docker" "start" "-a" "b6d9c753526aeda8abb21911fa2c5aabfd23690839858a9ad8e8a68f7b8c0069"`
[INFO] [stderr]    Compiling dc v0.1.0 (/opt/crater/workdir)
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 0.61s
[INFO] running `"docker" "inspect" "b6d9c753526aeda8abb21911fa2c5aabfd23690839858a9ad8e8a68f7b8c0069"`
[INFO] running `"docker" "rm" "-f" "b6d9c753526aeda8abb21911fa2c5aabfd23690839858a9ad8e8a68f7b8c0069"`
[INFO] [stdout] b6d9c753526aeda8abb21911fa2c5aabfd23690839858a9ad8e8a68f7b8c0069
[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/slice/dc:/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] 2672f471d64ccf49fd9b15b50e627d5695f7365bd2e3d0fc2144ee1a227234e5
[INFO] running `"docker" "start" "-a" "2672f471d64ccf49fd9b15b50e627d5695f7365bd2e3d0fc2144ee1a227234e5"`
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 0.04s
[INFO] [stderr]      Running /opt/crater/target/debug/deps/dc-926f56eee611d2c0
[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/dc-0d6cab0ed622e16c
[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 dc
[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" "2672f471d64ccf49fd9b15b50e627d5695f7365bd2e3d0fc2144ee1a227234e5"`
[INFO] running `"docker" "rm" "-f" "2672f471d64ccf49fd9b15b50e627d5695f7365bd2e3d0fc2144ee1a227234e5"`
[INFO] [stdout] 2672f471d64ccf49fd9b15b50e627d5695f7365bd2e3d0fc2144ee1a227234e5