[INFO] updating cached repository burnt43/simple_rust_webserver
[INFO] running `"git" "fetch" "--all"`
[INFO] [stdout] Fetching origin
[INFO] [stderr] From git://github.com/burnt43/simple_rust_webserver
[INFO] [stderr]  * branch            HEAD       -> FETCH_HEAD
[INFO] running `"git" "clone" "work/cache/sources/gh/burnt43/simple_rust_webserver" "work/ex/beta-1.37-6/sources/1.36.0/gh/burnt43/simple_rust_webserver"`
[INFO] [stderr] Cloning into 'work/ex/beta-1.37-6/sources/1.36.0/gh/burnt43/simple_rust_webserver'...
[INFO] [stderr] done.
[INFO] running `"git" "clone" "work/cache/sources/gh/burnt43/simple_rust_webserver" "work/ex/beta-1.37-6/sources/beta-2019-07-23/gh/burnt43/simple_rust_webserver"`
[INFO] [stderr] Cloning into 'work/ex/beta-1.37-6/sources/beta-2019-07-23/gh/burnt43/simple_rust_webserver'...
[INFO] [stderr] done.
[INFO] running `"git" "rev-parse" "HEAD"`
[INFO] [stdout] ed0bd650742717041ac457be0415c45966f599ab
[INFO] sha for GitHub repo burnt43/simple_rust_webserver: ed0bd650742717041ac457be0415c45966f599ab
[INFO] validating manifest of burnt43/simple_rust_webserver 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 burnt43/simple_rust_webserver 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 burnt43/simple_rust_webserver
[INFO] finished frobbing burnt43/simple_rust_webserver
[INFO] frobbed toml for burnt43/simple_rust_webserver written to work/ex/beta-1.37-6/sources/1.36.0/gh/burnt43/simple_rust_webserver/Cargo.toml
[INFO] started frobbing burnt43/simple_rust_webserver
[INFO] finished frobbing burnt43/simple_rust_webserver
[INFO] frobbed toml for burnt43/simple_rust_webserver written to work/ex/beta-1.37-6/sources/beta-2019-07-23/gh/burnt43/simple_rust_webserver/Cargo.toml
[INFO] crate burnt43/simple_rust_webserver 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] [stderr] error: the lock file /mnt/big/crater/work/ex/beta-1.37-6/sources/1.36.0/gh/burnt43/simple_rust_webserver/Cargo.lock needs to be updated but --locked was passed to prevent this
[INFO] the lockfile is outdated, regenerating it
[INFO] running `"/mnt/big/crater/work/local/cargo-home/bin/cargo" "+1.36.0" "generate-lockfile" "--manifest-path" "Cargo.toml" "-Zno-index-update"`
[INFO] running `"/mnt/big/crater/work/local/cargo-home/bin/cargo" "+beta-2019-07-23" "generate-lockfile" "--manifest-path" "Cargo.toml" "-Zno-index-update"`
[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 burnt43/simple_rust_webserver 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-6/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/burnt43/simple_rust_webserver:/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] 3b6c44d42e4123f7bf29008c43b5c5353a95928f84b02b7c9e5a4e78591ecc5f
[INFO] running `"docker" "start" "-a" "3b6c44d42e4123f7bf29008c43b5c5353a95928f84b02b7c9e5a4e78591ecc5f"`
[INFO] [stderr]    Compiling simple_rust_webserver v0.1.0 (/opt/crater/workdir)
[INFO] [stderr] warning: unused variable: `http_version`
[INFO] [stderr]    --> src/main.rs:178:37
[INFO] [stderr]     |
[INFO] [stderr] 178 |             ( Some(http_verb), Some(http_version), Some(request_path) ) => {
[INFO] [stderr]     |                                     ^^^^^^^^^^^^ help: consider prefixing with an underscore: `_http_version`
[INFO] [stderr]     |
[INFO] [stderr]     = note: #[warn(unused_variables)] on by default
[INFO] [stderr] 
[INFO] [stderr] warning: method is never used: `http_options`
[INFO] [stderr]   --> src/main.rs:97:5
[INFO] [stderr]    |
[INFO] [stderr] 97 |     fn http_options (&mut self, pair: (HttpOption,String)) -> &mut HttpResponseBuilder {
[INFO] [stderr]    |     ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stderr]    |
[INFO] [stderr]    = note: #[warn(dead_code)] on by default
[INFO] [stderr] 
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 1.78s
[INFO] running `"docker" "inspect" "3b6c44d42e4123f7bf29008c43b5c5353a95928f84b02b7c9e5a4e78591ecc5f"`
[INFO] running `"docker" "rm" "-f" "3b6c44d42e4123f7bf29008c43b5c5353a95928f84b02b7c9e5a4e78591ecc5f"`
[INFO] [stdout] 3b6c44d42e4123f7bf29008c43b5c5353a95928f84b02b7c9e5a4e78591ecc5f
[INFO] running `"docker" "create" "-v" "/mnt/big/crater/work/local/target-dirs/beta-1.37-6/worker-6/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/burnt43/simple_rust_webserver:/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] ef82f579e7e20ef34555246eafc97d8550e57e0a74986a49951b6ad6d58be40b
[INFO] running `"docker" "start" "-a" "ef82f579e7e20ef34555246eafc97d8550e57e0a74986a49951b6ad6d58be40b"`
[INFO] [stderr]    Compiling simple_rust_webserver v0.1.0 (/opt/crater/workdir)
[INFO] [stderr] warning: unused variable: `http_version`
[INFO] [stderr]    --> src/main.rs:178:37
[INFO] [stderr]     |
[INFO] [stderr] 178 |             ( Some(http_verb), Some(http_version), Some(request_path) ) => {
[INFO] [stderr]     |                                     ^^^^^^^^^^^^ help: consider prefixing with an underscore: `_http_version`
[INFO] [stderr]     |
[INFO] [stderr]     = note: #[warn(unused_variables)] on by default
[INFO] [stderr] 
[INFO] [stderr] warning: method is never used: `http_options`
[INFO] [stderr]   --> src/main.rs:97:5
[INFO] [stderr]    |
[INFO] [stderr] 97 |     fn http_options (&mut self, pair: (HttpOption,String)) -> &mut HttpResponseBuilder {
[INFO] [stderr]    |     ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stderr]    |
[INFO] [stderr]    = note: #[warn(dead_code)] on by default
[INFO] [stderr] 
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 1.04s
[INFO] running `"docker" "inspect" "ef82f579e7e20ef34555246eafc97d8550e57e0a74986a49951b6ad6d58be40b"`
[INFO] running `"docker" "rm" "-f" "ef82f579e7e20ef34555246eafc97d8550e57e0a74986a49951b6ad6d58be40b"`
[INFO] [stdout] ef82f579e7e20ef34555246eafc97d8550e57e0a74986a49951b6ad6d58be40b
[INFO] running `"docker" "create" "-v" "/mnt/big/crater/work/local/target-dirs/beta-1.37-6/worker-6/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/burnt43/simple_rust_webserver:/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] cd4a476d31b053488a817915836ca746fd09779c1122dad6bd4986811e78227b
[INFO] running `"docker" "start" "-a" "cd4a476d31b053488a817915836ca746fd09779c1122dad6bd4986811e78227b"`
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 0.03s
[INFO] [stderr]      Running /opt/crater/target/debug/deps/simple_rust_webserver-0dab21c8e4b3be8c
[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" "cd4a476d31b053488a817915836ca746fd09779c1122dad6bd4986811e78227b"`
[INFO] running `"docker" "rm" "-f" "cd4a476d31b053488a817915836ca746fd09779c1122dad6bd4986811e78227b"`
[INFO] [stdout] cd4a476d31b053488a817915836ca746fd09779c1122dad6bd4986811e78227b