[INFO] updating cached repository masterfuzz/hello-rust-http
[INFO] running `"git" "fetch" "--all"`
[INFO] [stdout] Fetching origin
[INFO] [stderr] From git://github.com/masterfuzz/hello-rust-http
[INFO] [stderr]  * branch            HEAD       -> FETCH_HEAD
[INFO] running `"git" "clone" "work/cache/sources/gh/masterfuzz/hello-rust-http" "work/ex/beta-1.37-6/sources/1.36.0/gh/masterfuzz/hello-rust-http"`
[INFO] [stderr] Cloning into 'work/ex/beta-1.37-6/sources/1.36.0/gh/masterfuzz/hello-rust-http'...
[INFO] [stderr] done.
[INFO] running `"git" "clone" "work/cache/sources/gh/masterfuzz/hello-rust-http" "work/ex/beta-1.37-6/sources/beta-2019-07-23/gh/masterfuzz/hello-rust-http"`
[INFO] [stderr] Cloning into 'work/ex/beta-1.37-6/sources/beta-2019-07-23/gh/masterfuzz/hello-rust-http'...
[INFO] [stderr] done.
[INFO] running `"git" "rev-parse" "HEAD"`
[INFO] [stdout] fa4e394abbb57b82638c9cc094009c8e41f29734
[INFO] sha for GitHub repo masterfuzz/hello-rust-http: fa4e394abbb57b82638c9cc094009c8e41f29734
[INFO] validating manifest of masterfuzz/hello-rust-http 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 masterfuzz/hello-rust-http 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 masterfuzz/hello-rust-http
[INFO] finished frobbing masterfuzz/hello-rust-http
[INFO] frobbed toml for masterfuzz/hello-rust-http written to work/ex/beta-1.37-6/sources/1.36.0/gh/masterfuzz/hello-rust-http/Cargo.toml
[INFO] started frobbing masterfuzz/hello-rust-http
[INFO] finished frobbing masterfuzz/hello-rust-http
[INFO] frobbed toml for masterfuzz/hello-rust-http written to work/ex/beta-1.37-6/sources/beta-2019-07-23/gh/masterfuzz/hello-rust-http/Cargo.toml
[INFO] crate masterfuzz/hello-rust-http 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 masterfuzz/hello-rust-http 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-0/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/masterfuzz/hello-rust-http:/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] 4886945f6c2da0d9ed8d82880f505e6cbcd1da7ad419210a78537b5fc4069e48
[INFO] running `"docker" "start" "-a" "4886945f6c2da0d9ed8d82880f505e6cbcd1da7ad419210a78537b5fc4069e48"`
[INFO] [stderr]    Compiling helloweb v0.1.0 (/opt/crater/workdir)
[INFO] [stderr] warning: unused import: `std::thread`
[INFO] [stderr]  --> src/main.rs:2:5
[INFO] [stderr]   |
[INFO] [stderr] 2 | use std::thread;
[INFO] [stderr]   |     ^^^^^^^^^^^
[INFO] [stderr]   |
[INFO] [stderr]   = note: #[warn(unused_imports)] on by default
[INFO] [stderr] 
[INFO] [stderr] warning: field is never used: `body`
[INFO] [stderr]   --> src/http.rs:26:3
[INFO] [stderr]    |
[INFO] [stderr] 26 |   body: Option<Box<String>>,
[INFO] [stderr]    |   ^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stderr]    |
[INFO] [stderr]    = note: #[warn(dead_code)] on by default
[INFO] [stderr] 
[INFO] [stderr] warning: variant is never constructed: `Post`
[INFO] [stderr]   --> src/http.rs:35:8
[INFO] [stderr]    |
[INFO] [stderr] 35 |   Get, Post, Put, Head, Delete, Patch, Options
[INFO] [stderr]    |        ^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: variant is never constructed: `Put`
[INFO] [stderr]   --> src/http.rs:35:14
[INFO] [stderr]    |
[INFO] [stderr] 35 |   Get, Post, Put, Head, Delete, Patch, Options
[INFO] [stderr]    |              ^^^
[INFO] [stderr] 
[INFO] [stderr] warning: variant is never constructed: `Head`
[INFO] [stderr]   --> src/http.rs:35:19
[INFO] [stderr]    |
[INFO] [stderr] 35 |   Get, Post, Put, Head, Delete, Patch, Options
[INFO] [stderr]    |                   ^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: variant is never constructed: `Delete`
[INFO] [stderr]   --> src/http.rs:35:25
[INFO] [stderr]    |
[INFO] [stderr] 35 |   Get, Post, Put, Head, Delete, Patch, Options
[INFO] [stderr]    |                         ^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: variant is never constructed: `Patch`
[INFO] [stderr]   --> src/http.rs:35:33
[INFO] [stderr]    |
[INFO] [stderr] 35 |   Get, Post, Put, Head, Delete, Patch, Options
[INFO] [stderr]    |                                 ^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: variant is never constructed: `Options`
[INFO] [stderr]   --> src/http.rs:35:40
[INFO] [stderr]    |
[INFO] [stderr] 35 |   Get, Post, Put, Head, Delete, Patch, Options
[INFO] [stderr]    |                                        ^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: field is never used: `binding`
[INFO] [stderr]   --> src/http.rs:66:3
[INFO] [stderr]    |
[INFO] [stderr] 66 |   binding: &'static str,
[INFO] [stderr]    |   ^^^^^^^^^^^^^^^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: method is never used: `new`
[INFO] [stderr]   --> src/http.rs:86:3
[INFO] [stderr]    |
[INFO] [stderr] 86 |   pub fn new(status: Status, body: Option<Box<String>>) -> Self {
[INFO] [stderr]    |   ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: method is never used: `log`
[INFO] [stderr]    --> src/http.rs:122:3
[INFO] [stderr]     |
[INFO] [stderr] 122 |   fn log(&self) {
[INFO] [stderr]     |   ^^^^^^^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: unused `std::result::Result` that must be used
[INFO] [stderr]   --> src/main.rs:15:17
[INFO] [stderr]    |
[INFO] [stderr] 15 |                 resp.write(&mut stream);
[INFO] [stderr]    |                 ^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stderr]    |
[INFO] [stderr]    = note: #[warn(unused_must_use)] on by default
[INFO] [stderr]    = note: this `Result` may be an `Err` variant, which should be handled
[INFO] [stderr] 
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 0.98s
[INFO] running `"docker" "inspect" "4886945f6c2da0d9ed8d82880f505e6cbcd1da7ad419210a78537b5fc4069e48"`
[INFO] running `"docker" "rm" "-f" "4886945f6c2da0d9ed8d82880f505e6cbcd1da7ad419210a78537b5fc4069e48"`
[INFO] [stdout] 4886945f6c2da0d9ed8d82880f505e6cbcd1da7ad419210a78537b5fc4069e48
[INFO] running `"docker" "create" "-v" "/mnt/big/crater/work/local/target-dirs/beta-1.37-6/worker-0/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/masterfuzz/hello-rust-http:/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] 930e3b60f6b60e6e3b0d95e69c756ce796fe6ca406f555e5ce5fd4b593b4b629
[INFO] running `"docker" "start" "-a" "930e3b60f6b60e6e3b0d95e69c756ce796fe6ca406f555e5ce5fd4b593b4b629"`
[INFO] [stderr]    Compiling helloweb v0.1.0 (/opt/crater/workdir)
[INFO] [stderr] warning: unused import: `std::thread`
[INFO] [stderr]  --> src/main.rs:2:5
[INFO] [stderr]   |
[INFO] [stderr] 2 | use std::thread;
[INFO] [stderr]   |     ^^^^^^^^^^^
[INFO] [stderr]   |
[INFO] [stderr]   = note: #[warn(unused_imports)] on by default
[INFO] [stderr] 
[INFO] [stderr] warning: field is never used: `body`
[INFO] [stderr]   --> src/http.rs:26:3
[INFO] [stderr]    |
[INFO] [stderr] 26 |   body: Option<Box<String>>,
[INFO] [stderr]    |   ^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stderr]    |
[INFO] [stderr]    = note: #[warn(dead_code)] on by default
[INFO] [stderr] 
[INFO] [stderr] warning: variant is never constructed: `Post`
[INFO] [stderr]   --> src/http.rs:35:8
[INFO] [stderr]    |
[INFO] [stderr] 35 |   Get, Post, Put, Head, Delete, Patch, Options
[INFO] [stderr]    |        ^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: variant is never constructed: `Put`
[INFO] [stderr]   --> src/http.rs:35:14
[INFO] [stderr]    |
[INFO] [stderr] 35 |   Get, Post, Put, Head, Delete, Patch, Options
[INFO] [stderr]    |              ^^^
[INFO] [stderr] 
[INFO] [stderr] warning: variant is never constructed: `Head`
[INFO] [stderr]   --> src/http.rs:35:19
[INFO] [stderr]    |
[INFO] [stderr] 35 |   Get, Post, Put, Head, Delete, Patch, Options
[INFO] [stderr]    |                   ^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: variant is never constructed: `Delete`
[INFO] [stderr]   --> src/http.rs:35:25
[INFO] [stderr]    |
[INFO] [stderr] 35 |   Get, Post, Put, Head, Delete, Patch, Options
[INFO] [stderr]    |                         ^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: variant is never constructed: `Patch`
[INFO] [stderr]   --> src/http.rs:35:33
[INFO] [stderr]    |
[INFO] [stderr] 35 |   Get, Post, Put, Head, Delete, Patch, Options
[INFO] [stderr]    |                                 ^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: variant is never constructed: `Options`
[INFO] [stderr]   --> src/http.rs:35:40
[INFO] [stderr]    |
[INFO] [stderr] 35 |   Get, Post, Put, Head, Delete, Patch, Options
[INFO] [stderr]    |                                        ^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: field is never used: `binding`
[INFO] [stderr]   --> src/http.rs:66:3
[INFO] [stderr]    |
[INFO] [stderr] 66 |   binding: &'static str,
[INFO] [stderr]    |   ^^^^^^^^^^^^^^^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: method is never used: `new`
[INFO] [stderr]   --> src/http.rs:86:3
[INFO] [stderr]    |
[INFO] [stderr] 86 |   pub fn new(status: Status, body: Option<Box<String>>) -> Self {
[INFO] [stderr]    |   ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: method is never used: `log`
[INFO] [stderr]    --> src/http.rs:122:3
[INFO] [stderr]     |
[INFO] [stderr] 122 |   fn log(&self) {
[INFO] [stderr]     |   ^^^^^^^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: unused `std::result::Result` that must be used
[INFO] [stderr]   --> src/main.rs:15:17
[INFO] [stderr]    |
[INFO] [stderr] 15 |                 resp.write(&mut stream);
[INFO] [stderr]    |                 ^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stderr]    |
[INFO] [stderr]    = note: #[warn(unused_must_use)] on by default
[INFO] [stderr]    = note: this `Result` may be an `Err` variant, which should be handled
[INFO] [stderr] 
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 0.82s
[INFO] running `"docker" "inspect" "930e3b60f6b60e6e3b0d95e69c756ce796fe6ca406f555e5ce5fd4b593b4b629"`
[INFO] running `"docker" "rm" "-f" "930e3b60f6b60e6e3b0d95e69c756ce796fe6ca406f555e5ce5fd4b593b4b629"`
[INFO] [stdout] 930e3b60f6b60e6e3b0d95e69c756ce796fe6ca406f555e5ce5fd4b593b4b629
[INFO] running `"docker" "create" "-v" "/mnt/big/crater/work/local/target-dirs/beta-1.37-6/worker-0/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/masterfuzz/hello-rust-http:/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] b600fb5bf84a6b8b6a31ba3eebab5df7b05c5b37b53c088be556225a9ed299a6
[INFO] running `"docker" "start" "-a" "b600fb5bf84a6b8b6a31ba3eebab5df7b05c5b37b53c088be556225a9ed299a6"`
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 0.02s
[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/helloweb-5552dfaccd2cb0d3
[INFO] running `"docker" "inspect" "b600fb5bf84a6b8b6a31ba3eebab5df7b05c5b37b53c088be556225a9ed299a6"`
[INFO] running `"docker" "rm" "-f" "b600fb5bf84a6b8b6a31ba3eebab5df7b05c5b37b53c088be556225a9ed299a6"`
[INFO] [stdout] b600fb5bf84a6b8b6a31ba3eebab5df7b05c5b37b53c088be556225a9ed299a6