[INFO] updating cached repository bdnf/RustWebServers
[INFO] running `"git" "fetch" "--all"`
[INFO] [stdout] Fetching origin
[INFO] [stderr] From git://github.com/bdnf/RustWebServers
[INFO] [stderr]  * branch            HEAD       -> FETCH_HEAD
[INFO] running `"git" "clone" "work/cache/sources/gh/bdnf/RustWebServers" "work/ex/beta-1.37-6/sources/1.36.0/gh/bdnf/RustWebServers"`
[INFO] [stderr] Cloning into 'work/ex/beta-1.37-6/sources/1.36.0/gh/bdnf/RustWebServers'...
[INFO] [stderr] done.
[INFO] running `"git" "clone" "work/cache/sources/gh/bdnf/RustWebServers" "work/ex/beta-1.37-6/sources/beta-2019-07-23/gh/bdnf/RustWebServers"`
[INFO] [stderr] Cloning into 'work/ex/beta-1.37-6/sources/beta-2019-07-23/gh/bdnf/RustWebServers'...
[INFO] [stderr] done.
[INFO] running `"git" "rev-parse" "HEAD"`
[INFO] [stdout] be2e54a37dad9124b625c3a7c9305fd1ec3f7018
[INFO] sha for GitHub repo bdnf/RustWebServers: be2e54a37dad9124b625c3a7c9305fd1ec3f7018
[INFO] validating manifest of bdnf/RustWebServers 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 bdnf/RustWebServers 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 bdnf/RustWebServers
[INFO] finished frobbing bdnf/RustWebServers
[INFO] frobbed toml for bdnf/RustWebServers written to work/ex/beta-1.37-6/sources/1.36.0/gh/bdnf/RustWebServers/Cargo.toml
[INFO] started frobbing bdnf/RustWebServers
[INFO] finished frobbing bdnf/RustWebServers
[INFO] frobbed toml for bdnf/RustWebServers written to work/ex/beta-1.37-6/sources/beta-2019-07-23/gh/bdnf/RustWebServers/Cargo.toml
[INFO] crate bdnf/RustWebServers 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 bdnf/RustWebServers against 1.36.0 for beta-1.37-6
[INFO] running `"docker" "create" "-v" "/mnt/big/crater/work/local/target-dirs/beta-1.37-6/worker-0/1.36.0:/opt/crater/target:rw,Z" "-v" "/mnt/big/crater/work/ex/beta-1.37-6/sources/1.36.0/gh/bdnf/RustWebServers:/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" "+1.36.0" "build" "--frozen"`
[INFO] [stdout] 04a8f44cb782964efcfd4808e1f72c4781ce6c6043e1dfa761a7631d33ffb7b9
[INFO] running `"docker" "start" "-a" "04a8f44cb782964efcfd4808e1f72c4781ce6c6043e1dfa761a7631d33ffb7b9"`
[INFO] [stderr]    Compiling web_server v0.1.0 (/opt/crater/workdir)
[INFO] [stderr] warning: unused variable: `status_line`
[INFO] [stderr]   --> src/main.rs:14:11
[INFO] [stderr]    |
[INFO] [stderr] 14 |      let (status_line, filename) = if req_buffer.starts_with(get) {
[INFO] [stderr]    |           ^^^^^^^^^^^ help: consider prefixing with an underscore: `_status_line`
[INFO] [stderr]    |
[INFO] [stderr]    = note: #[warn(unused_variables)] on by default
[INFO] [stderr] 
[INFO] [stderr] warning: unused variable: `filename`
[INFO] [stderr]   --> src/main.rs:14:24
[INFO] [stderr]    |
[INFO] [stderr] 14 |      let (status_line, filename) = if req_buffer.starts_with(get) {
[INFO] [stderr]    |                        ^^^^^^^^ help: consider prefixing with an underscore: `_filename`
[INFO] [stderr] 
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 1.72s
[INFO] running `"docker" "inspect" "04a8f44cb782964efcfd4808e1f72c4781ce6c6043e1dfa761a7631d33ffb7b9"`
[INFO] running `"docker" "rm" "-f" "04a8f44cb782964efcfd4808e1f72c4781ce6c6043e1dfa761a7631d33ffb7b9"`
[INFO] [stdout] 04a8f44cb782964efcfd4808e1f72c4781ce6c6043e1dfa761a7631d33ffb7b9
[INFO] running `"docker" "create" "-v" "/mnt/big/crater/work/local/target-dirs/beta-1.37-6/worker-0/1.36.0:/opt/crater/target:rw,Z" "-v" "/mnt/big/crater/work/ex/beta-1.37-6/sources/1.36.0/gh/bdnf/RustWebServers:/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" "+1.36.0" "test" "--frozen" "--no-run"`
[INFO] [stdout] 82243d51dde993ea2c6cbcc9c21eade4682449b164bc7ddf1f9c183c3f5eba06
[INFO] running `"docker" "start" "-a" "82243d51dde993ea2c6cbcc9c21eade4682449b164bc7ddf1f9c183c3f5eba06"`
[INFO] [stderr]    Compiling web_server v0.1.0 (/opt/crater/workdir)
[INFO] [stderr] warning: unused variable: `status_line`
[INFO] [stderr]   --> src/main.rs:14:11
[INFO] [stderr]    |
[INFO] [stderr] 14 |      let (status_line, filename) = if req_buffer.starts_with(get) {
[INFO] [stderr]    |           ^^^^^^^^^^^ help: consider prefixing with an underscore: `_status_line`
[INFO] [stderr]    |
[INFO] [stderr]    = note: #[warn(unused_variables)] on by default
[INFO] [stderr] 
[INFO] [stderr] warning: unused variable: `filename`
[INFO] [stderr]   --> src/main.rs:14:24
[INFO] [stderr]    |
[INFO] [stderr] 14 |      let (status_line, filename) = if req_buffer.starts_with(get) {
[INFO] [stderr]    |                        ^^^^^^^^ help: consider prefixing with an underscore: `_filename`
[INFO] [stderr] 
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 0.73s
[INFO] running `"docker" "inspect" "82243d51dde993ea2c6cbcc9c21eade4682449b164bc7ddf1f9c183c3f5eba06"`
[INFO] running `"docker" "rm" "-f" "82243d51dde993ea2c6cbcc9c21eade4682449b164bc7ddf1f9c183c3f5eba06"`
[INFO] [stdout] 82243d51dde993ea2c6cbcc9c21eade4682449b164bc7ddf1f9c183c3f5eba06
[INFO] running `"docker" "create" "-v" "/mnt/big/crater/work/local/target-dirs/beta-1.37-6/worker-0/1.36.0:/opt/crater/target:rw,Z" "-v" "/mnt/big/crater/work/ex/beta-1.37-6/sources/1.36.0/gh/bdnf/RustWebServers:/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" "+1.36.0" "test" "--frozen"`
[INFO] [stdout] 0ff95d71ebe5feb5cd0066d428a52236b227e52d8fca18894bedd1f5ee7c838c
[INFO] running `"docker" "start" "-a" "0ff95d71ebe5feb5cd0066d428a52236b227e52d8fca18894bedd1f5ee7c838c"`
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 0.04s
[INFO] [stderr]      Running /opt/crater/target/debug/deps/web_server-560e7e2538fa7935
[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" "0ff95d71ebe5feb5cd0066d428a52236b227e52d8fca18894bedd1f5ee7c838c"`
[INFO] running `"docker" "rm" "-f" "0ff95d71ebe5feb5cd0066d428a52236b227e52d8fca18894bedd1f5ee7c838c"`
[INFO] [stdout] 0ff95d71ebe5feb5cd0066d428a52236b227e52d8fca18894bedd1f5ee7c838c