[INFO] updating cached repository derekdreery/cargo-docserve
[INFO] running `"git" "fetch" "--all"`
[INFO] [stdout] Fetching origin
[INFO] [stderr] From git://github.com/derekdreery/cargo-docserve
[INFO] [stderr]  * branch            HEAD       -> FETCH_HEAD
[INFO] running `"git" "clone" "work/cache/sources/gh/derekdreery/cargo-docserve" "work/ex/beta-1.38-1/sources/1.37.0/gh/derekdreery/cargo-docserve"`
[INFO] [stderr] Cloning into 'work/ex/beta-1.38-1/sources/1.37.0/gh/derekdreery/cargo-docserve'...
[INFO] [stderr] done.
[INFO] running `"git" "clone" "work/cache/sources/gh/derekdreery/cargo-docserve" "work/ex/beta-1.38-1/sources/beta-2019-08-13/gh/derekdreery/cargo-docserve"`
[INFO] [stderr] Cloning into 'work/ex/beta-1.38-1/sources/beta-2019-08-13/gh/derekdreery/cargo-docserve'...
[INFO] [stderr] done.
[INFO] running `"git" "rev-parse" "HEAD"`
[INFO] [stdout] 88ba5671da282e77b2300e15edfda61d33e461af
[INFO] sha for GitHub repo derekdreery/cargo-docserve: 88ba5671da282e77b2300e15edfda61d33e461af
[INFO] validating manifest of derekdreery/cargo-docserve 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 derekdreery/cargo-docserve 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 derekdreery/cargo-docserve
[INFO] finished frobbing derekdreery/cargo-docserve
[INFO] frobbed toml for derekdreery/cargo-docserve written to work/ex/beta-1.38-1/sources/1.37.0/gh/derekdreery/cargo-docserve/Cargo.toml
[INFO] started frobbing derekdreery/cargo-docserve
[INFO] finished frobbing derekdreery/cargo-docserve
[INFO] frobbed toml for derekdreery/cargo-docserve written to work/ex/beta-1.38-1/sources/beta-2019-08-13/gh/derekdreery/cargo-docserve/Cargo.toml
[INFO] crate derekdreery/cargo-docserve 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 derekdreery/cargo-docserve 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-6/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/derekdreery/cargo-docserve:/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] 64996bdd81b0ea12344c31006dfd766a3b56b35936ea75a3a4ee4af6638ee75a
[INFO] running `"docker" "start" "-a" "64996bdd81b0ea12344c31006dfd766a3b56b35936ea75a3a4ee4af6638ee75a"`
[INFO] [stderr]    Compiling tokio-executor v0.1.5
[INFO] [stderr]    Compiling want v0.0.6
[INFO] [stderr]    Compiling semver v0.9.0
[INFO] [stderr]    Compiling tokio-io v0.1.9
[INFO] [stderr]    Compiling http v0.1.13
[INFO] [stderr]    Compiling mio-extras v2.0.5
[INFO] [stderr]    Compiling syn v0.15.7
[INFO] [stderr]    Compiling structopt-derive v0.2.10
[INFO] [stderr]    Compiling error-chain v0.12.0
[INFO] [stderr]    Compiling tokio-threadpool v0.1.7
[INFO] [stderr]    Compiling tokio-timer v0.2.7
[INFO] [stderr]    Compiling tokio-current-thread v0.1.3
[INFO] [stderr]    Compiling rustc_version v0.2.3
[INFO] [stderr]    Compiling pretty_env_logger v0.2.4
[INFO] [stderr]    Compiling tokio-codec v0.1.1
[INFO] [stderr]    Compiling tokio-fs v0.1.3
[INFO] [stderr]    Compiling parking_lot_core v0.3.1
[INFO] [stderr]    Compiling structopt v0.2.10
[INFO] [stderr]    Compiling parking_lot v0.6.4
[INFO] [stderr]    Compiling h2 v0.1.12
[INFO] [stderr]    Compiling tokio-reactor v0.1.6
[INFO] [stderr]    Compiling tokio-tcp v0.1.2
[INFO] [stderr]    Compiling tokio-udp v0.1.2
[INFO] [stderr]    Compiling tokio-uds v0.2.2
[INFO] [stderr]    Compiling inotify v0.6.1
[INFO] [stderr]    Compiling serde_derive v1.0.79
[INFO] [stderr]    Compiling tokio v0.1.11
[INFO] [stderr]    Compiling notify v4.0.6
[INFO] [stderr]    Compiling hyper v0.12.11
[INFO] [stderr]    Compiling hyper-staticfile v0.3.0
[INFO] [stderr]    Compiling cargo_metadata v0.6.0
[INFO] [stderr]    Compiling cargo-docserve v0.1.0 (/opt/crater/workdir)
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 1m 08s
[INFO] running `"docker" "inspect" "64996bdd81b0ea12344c31006dfd766a3b56b35936ea75a3a4ee4af6638ee75a"`
[INFO] running `"docker" "rm" "-f" "64996bdd81b0ea12344c31006dfd766a3b56b35936ea75a3a4ee4af6638ee75a"`
[INFO] [stdout] 64996bdd81b0ea12344c31006dfd766a3b56b35936ea75a3a4ee4af6638ee75a
[INFO] running `"docker" "create" "-v" "/mnt/big/crater/work/local/target-dirs/beta-1.38-1/worker-6/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/derekdreery/cargo-docserve:/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] 2b3ced4f4bfed392e26304f40ebe4619f8c6221783732bd87c9aaf88b7137351
[INFO] running `"docker" "start" "-a" "2b3ced4f4bfed392e26304f40ebe4619f8c6221783732bd87c9aaf88b7137351"`
[INFO] [stderr]    Compiling cargo-docserve v0.1.0 (/opt/crater/workdir)
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 2.99s
[INFO] running `"docker" "inspect" "2b3ced4f4bfed392e26304f40ebe4619f8c6221783732bd87c9aaf88b7137351"`
[INFO] running `"docker" "rm" "-f" "2b3ced4f4bfed392e26304f40ebe4619f8c6221783732bd87c9aaf88b7137351"`
[INFO] [stdout] 2b3ced4f4bfed392e26304f40ebe4619f8c6221783732bd87c9aaf88b7137351
[INFO] running `"docker" "create" "-v" "/mnt/big/crater/work/local/target-dirs/beta-1.38-1/worker-6/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/derekdreery/cargo-docserve:/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] 04f760c6042aafad451e542bc0ae6b0bbf3e2a1d813f7fcc1955187f5059deb0
[INFO] running `"docker" "start" "-a" "04f760c6042aafad451e542bc0ae6b0bbf3e2a1d813f7fcc1955187f5059deb0"`
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 0.12s
[INFO] [stderr]      Running /opt/crater/target/debug/deps/cargo_docserve-9392e08a5db7abe2
[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" "04f760c6042aafad451e542bc0ae6b0bbf3e2a1d813f7fcc1955187f5059deb0"`
[INFO] running `"docker" "rm" "-f" "04f760c6042aafad451e542bc0ae6b0bbf3e2a1d813f7fcc1955187f5059deb0"`
[INFO] [stdout] 04f760c6042aafad451e542bc0ae6b0bbf3e2a1d813f7fcc1955187f5059deb0