[INFO] updating cached repository bertiespell/multithreaded_web_server
[INFO] running `"git" "fetch" "--all"`
[INFO] [stdout] Fetching origin
[INFO] [stderr] From git://github.com/bertiespell/multithreaded_web_server
[INFO] [stderr]  * branch            HEAD       -> FETCH_HEAD
[INFO] running `"git" "clone" "work/cache/sources/gh/bertiespell/multithreaded_web_server" "work/ex/beta-1.38-1/sources/1.37.0/gh/bertiespell/multithreaded_web_server"`
[INFO] [stderr] Cloning into 'work/ex/beta-1.38-1/sources/1.37.0/gh/bertiespell/multithreaded_web_server'...
[INFO] [stderr] done.
[INFO] running `"git" "clone" "work/cache/sources/gh/bertiespell/multithreaded_web_server" "work/ex/beta-1.38-1/sources/beta-2019-08-13/gh/bertiespell/multithreaded_web_server"`
[INFO] [stderr] Cloning into 'work/ex/beta-1.38-1/sources/beta-2019-08-13/gh/bertiespell/multithreaded_web_server'...
[INFO] [stderr] done.
[INFO] running `"git" "rev-parse" "HEAD"`
[INFO] [stdout] 1971104ca60b937b11b277c360273975fbd5a95e
[INFO] sha for GitHub repo bertiespell/multithreaded_web_server: 1971104ca60b937b11b277c360273975fbd5a95e
[INFO] validating manifest of bertiespell/multithreaded_web_server 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 bertiespell/multithreaded_web_server 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 bertiespell/multithreaded_web_server
[INFO] finished frobbing bertiespell/multithreaded_web_server
[INFO] frobbed toml for bertiespell/multithreaded_web_server written to work/ex/beta-1.38-1/sources/1.37.0/gh/bertiespell/multithreaded_web_server/Cargo.toml
[INFO] started frobbing bertiespell/multithreaded_web_server
[INFO] finished frobbing bertiespell/multithreaded_web_server
[INFO] frobbed toml for bertiespell/multithreaded_web_server written to work/ex/beta-1.38-1/sources/beta-2019-08-13/gh/bertiespell/multithreaded_web_server/Cargo.toml
[INFO] crate bertiespell/multithreaded_web_server 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 bertiespell/multithreaded_web_server 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-7/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/bertiespell/multithreaded_web_server:/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] ff82d9833f4c2ef6b5bb4b87be3170c1d9a7c3ead584f9cae0987ee87c35c029
[INFO] running `"docker" "start" "-a" "ff82d9833f4c2ef6b5bb4b87be3170c1d9a7c3ead584f9cae0987ee87c35c029"`
[INFO] [stderr]    Compiling multithreaded_web_server v0.1.0 (/opt/crater/workdir)
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 2.15s
[INFO] running `"docker" "inspect" "ff82d9833f4c2ef6b5bb4b87be3170c1d9a7c3ead584f9cae0987ee87c35c029"`
[INFO] running `"docker" "rm" "-f" "ff82d9833f4c2ef6b5bb4b87be3170c1d9a7c3ead584f9cae0987ee87c35c029"`
[INFO] [stdout] ff82d9833f4c2ef6b5bb4b87be3170c1d9a7c3ead584f9cae0987ee87c35c029
[INFO] running `"docker" "create" "-v" "/mnt/big/crater/work/local/target-dirs/beta-1.38-1/worker-7/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/bertiespell/multithreaded_web_server:/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] 051df6c64da5c3e852188b9ef379b9e9d57601d46ae2fd31a590664e3ccff4a9
[INFO] running `"docker" "start" "-a" "051df6c64da5c3e852188b9ef379b9e9d57601d46ae2fd31a590664e3ccff4a9"`
[INFO] [stderr]    Compiling multithreaded_web_server v0.1.0 (/opt/crater/workdir)
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 1.19s
[INFO] running `"docker" "inspect" "051df6c64da5c3e852188b9ef379b9e9d57601d46ae2fd31a590664e3ccff4a9"`
[INFO] running `"docker" "rm" "-f" "051df6c64da5c3e852188b9ef379b9e9d57601d46ae2fd31a590664e3ccff4a9"`
[INFO] [stdout] 051df6c64da5c3e852188b9ef379b9e9d57601d46ae2fd31a590664e3ccff4a9
[INFO] running `"docker" "create" "-v" "/mnt/big/crater/work/local/target-dirs/beta-1.38-1/worker-7/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/bertiespell/multithreaded_web_server:/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] 04147f20c18277a5bffb13c542f0a9df50e0f65b04f5bfcfe6576fff4bf729af
[INFO] running `"docker" "start" "-a" "04147f20c18277a5bffb13c542f0a9df50e0f65b04f5bfcfe6576fff4bf729af"`
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 0.02s
[INFO] [stderr]      Running /opt/crater/target/debug/deps/multithreaded_web_server-f58e3e4ee7159f71
[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/main-cc7a84e01199451e
[INFO] [stderr]    Doc-tests multithreaded_web_server
[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] [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" "04147f20c18277a5bffb13c542f0a9df50e0f65b04f5bfcfe6576fff4bf729af"`
[INFO] running `"docker" "rm" "-f" "04147f20c18277a5bffb13c542f0a9df50e0f65b04f5bfcfe6576fff4bf729af"`
[INFO] [stdout] 04147f20c18277a5bffb13c542f0a9df50e0f65b04f5bfcfe6576fff4bf729af