Dec 17 20:03:22.093 INFO checking masterfuzz/hello-rust-http against try#0b8c5828f68d7b2840b81fa51239346dc97fef5a for pr-54252
Dec 17 20:03:22.093 INFO running `"docker" "create" "-v" "/mnt/big/crater/work/local/target-dirs/pr-54252/worker-6/try#0b8c5828f68d7b2840b81fa51239346dc97fef5a:/opt/crater/target:rw,Z" "-v" "/mnt/big/crater/work/ex/pr-54252/sources/try#0b8c5828f68d7b2840b81fa51239346dc97fef5a/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=forbid" "-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" "+0b8c5828f68d7b2840b81fa51239346dc97fef5a-alt" "check" "--frozen" "--all" "--all-targets"`
Dec 17 20:03:22.535 INFO [stdout] 42c6ab1b6666a956769ee377443418b8b2c8d9885df1d0ce3d2d0719c4ccbc97
Dec 17 20:03:22.537 INFO running `"docker" "start" "-a" "42c6ab1b6666a956769ee377443418b8b2c8d9885df1d0ce3d2d0719c4ccbc97"`
Dec 17 20:03:24.157 INFO [stderr]     Checking helloweb v0.1.0 (/opt/crater/workdir)
Dec 17 20:03:24.456 INFO [stderr] warning: unused import: `std::thread`
Dec 17 20:03:24.456 INFO [stderr]  --> src/main.rs:2:5
Dec 17 20:03:24.456 INFO [stderr]   |
Dec 17 20:03:24.456 INFO [stderr] 2 | use std::thread;
Dec 17 20:03:24.456 INFO [stderr]   |     ^^^^^^^^^^^
Dec 17 20:03:24.456 INFO [stderr]   |
Dec 17 20:03:24.456 INFO [stderr]   = note: #[warn(unused_imports)] on by default
Dec 17 20:03:24.456 INFO [stderr] 
Dec 17 20:03:24.480 INFO [stderr] warning: unused import: `std::thread`
Dec 17 20:03:24.480 INFO [stderr]  --> src/main.rs:2:5
Dec 17 20:03:24.480 INFO [stderr]   |
Dec 17 20:03:24.480 INFO [stderr] 2 | use std::thread;
Dec 17 20:03:24.480 INFO [stderr]   |     ^^^^^^^^^^^
Dec 17 20:03:24.480 INFO [stderr]   |
Dec 17 20:03:24.480 INFO [stderr]   = note: #[warn(unused_imports)] on by default
Dec 17 20:03:24.480 INFO [stderr] 
Dec 17 20:03:24.592 INFO [stderr] warning: field is never used: `body`
Dec 17 20:03:24.592 INFO [stderr]   --> src/http.rs:26:3
Dec 17 20:03:24.592 INFO [stderr]    |
Dec 17 20:03:24.592 INFO [stderr] 26 |   body: Option<Box<String>>,
Dec 17 20:03:24.592 INFO [stderr]    |   ^^^^^^^^^^^^^^^^^^^^^^^^^
Dec 17 20:03:24.592 INFO [stderr]    |
Dec 17 20:03:24.592 INFO [stderr]    = note: #[warn(dead_code)] on by default
Dec 17 20:03:24.592 INFO [stderr] 
Dec 17 20:03:24.592 INFO [stderr] warning: variant is never constructed: `Post`
Dec 17 20:03:24.592 INFO [stderr]   --> src/http.rs:35:8
Dec 17 20:03:24.592 INFO [stderr]    |
Dec 17 20:03:24.592 INFO [stderr] 35 |   Get, Post, Put, Head, Delete, Patch, Options
Dec 17 20:03:24.592 INFO [stderr]    |        ^^^^
Dec 17 20:03:24.592 INFO [stderr] 
Dec 17 20:03:24.592 INFO [stderr] warning: variant is never constructed: `Put`
Dec 17 20:03:24.592 INFO [stderr]   --> src/http.rs:35:14
Dec 17 20:03:24.592 INFO [stderr]    |
Dec 17 20:03:24.592 INFO [stderr] 35 |   Get, Post, Put, Head, Delete, Patch, Options
Dec 17 20:03:24.592 INFO [stderr]    |              ^^^
Dec 17 20:03:24.592 INFO [stderr] 
Dec 17 20:03:24.592 INFO [stderr] warning: variant is never constructed: `Head`
Dec 17 20:03:24.592 INFO [stderr]   --> src/http.rs:35:19
Dec 17 20:03:24.592 INFO [stderr]    |
Dec 17 20:03:24.592 INFO [stderr] 35 |   Get, Post, Put, Head, Delete, Patch, Options
Dec 17 20:03:24.592 INFO [stderr]    |                   ^^^^
Dec 17 20:03:24.592 INFO [stderr] 
Dec 17 20:03:24.592 INFO [stderr] warning: variant is never constructed: `Delete`
Dec 17 20:03:24.592 INFO [stderr]   --> src/http.rs:35:25
Dec 17 20:03:24.592 INFO [stderr]    |
Dec 17 20:03:24.592 INFO [stderr] 35 |   Get, Post, Put, Head, Delete, Patch, Options
Dec 17 20:03:24.592 INFO [stderr]    |                         ^^^^^^
Dec 17 20:03:24.592 INFO [stderr] 
Dec 17 20:03:24.592 INFO [stderr] warning: variant is never constructed: `Patch`
Dec 17 20:03:24.592 INFO [stderr]   --> src/http.rs:35:33
Dec 17 20:03:24.592 INFO [stderr]    |
Dec 17 20:03:24.592 INFO [stderr] 35 |   Get, Post, Put, Head, Delete, Patch, Options
Dec 17 20:03:24.592 INFO [stderr]    |                                 ^^^^^
Dec 17 20:03:24.592 INFO [stderr] 
Dec 17 20:03:24.592 INFO [stderr] warning: variant is never constructed: `Options`
Dec 17 20:03:24.592 INFO [stderr]   --> src/http.rs:35:40
Dec 17 20:03:24.592 INFO [stderr]    |
Dec 17 20:03:24.592 INFO [stderr] 35 |   Get, Post, Put, Head, Delete, Patch, Options
Dec 17 20:03:24.592 INFO [stderr]    |                                        ^^^^^^^
Dec 17 20:03:24.592 INFO [stderr] 
Dec 17 20:03:24.592 INFO [stderr] warning: field is never used: `binding`
Dec 17 20:03:24.592 INFO [stderr]   --> src/http.rs:66:3
Dec 17 20:03:24.592 INFO [stderr]    |
Dec 17 20:03:24.592 INFO [stderr] 66 |   binding: &'static str,
Dec 17 20:03:24.592 INFO [stderr]    |   ^^^^^^^^^^^^^^^^^^^^^
Dec 17 20:03:24.592 INFO [stderr] 
Dec 17 20:03:24.592 INFO [stderr] warning: method is never used: `new`
Dec 17 20:03:24.592 INFO [stderr]   --> src/http.rs:86:3
Dec 17 20:03:24.592 INFO [stderr]    |
Dec 17 20:03:24.592 INFO [stderr] 86 |   pub fn new(status: Status, body: Option<Box<String>>) -> Self {
Dec 17 20:03:24.592 INFO [stderr]    |   ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
Dec 17 20:03:24.592 INFO [stderr] 
Dec 17 20:03:24.592 INFO [stderr] warning: method is never used: `log`
Dec 17 20:03:24.592 INFO [stderr]    --> src/http.rs:122:3
Dec 17 20:03:24.592 INFO [stderr]     |
Dec 17 20:03:24.592 INFO [stderr] 122 |   fn log(&self) {
Dec 17 20:03:24.592 INFO [stderr]     |   ^^^^^^^^^^^^^
Dec 17 20:03:24.592 INFO [stderr] 
Dec 17 20:03:24.596 INFO [stderr] warning: unused `std::result::Result` that must be used
Dec 17 20:03:24.596 INFO [stderr]   --> src/main.rs:15:17
Dec 17 20:03:24.596 INFO [stderr]    |
Dec 17 20:03:24.596 INFO [stderr] 15 |                 resp.write(&mut stream);
Dec 17 20:03:24.596 INFO [stderr]    |                 ^^^^^^^^^^^^^^^^^^^^^^^^
Dec 17 20:03:24.596 INFO [stderr]    |
Dec 17 20:03:24.596 INFO [stderr]    = note: #[warn(unused_must_use)] on by default
Dec 17 20:03:24.596 INFO [stderr]    = note: this `Result` may be an `Err` variant, which should be handled
Dec 17 20:03:24.596 INFO [stderr] 
Dec 17 20:03:24.608 INFO [stderr] warning: field is never used: `body`
Dec 17 20:03:24.608 INFO [stderr]   --> src/http.rs:26:3
Dec 17 20:03:24.608 INFO [stderr]    |
Dec 17 20:03:24.608 INFO [stderr] 26 |   body: Option<Box<String>>,
Dec 17 20:03:24.608 INFO [stderr]    |   ^^^^^^^^^^^^^^^^^^^^^^^^^
Dec 17 20:03:24.608 INFO [stderr]    |
Dec 17 20:03:24.609 INFO [stderr]    = note: #[warn(dead_code)] on by default
Dec 17 20:03:24.609 INFO [stderr] 
Dec 17 20:03:24.609 INFO [stderr] warning: variant is never constructed: `Post`
Dec 17 20:03:24.609 INFO [stderr]   --> src/http.rs:35:8
Dec 17 20:03:24.609 INFO [stderr]    |
Dec 17 20:03:24.609 INFO [stderr] 35 |   Get, Post, Put, Head, Delete, Patch, Options
Dec 17 20:03:24.609 INFO [stderr]    |        ^^^^
Dec 17 20:03:24.609 INFO [stderr] 
Dec 17 20:03:24.609 INFO [stderr] warning: variant is never constructed: `Put`
Dec 17 20:03:24.609 INFO [stderr]   --> src/http.rs:35:14
Dec 17 20:03:24.609 INFO [stderr]    |
Dec 17 20:03:24.609 INFO [stderr] 35 |   Get, Post, Put, Head, Delete, Patch, Options
Dec 17 20:03:24.609 INFO [stderr]    |              ^^^
Dec 17 20:03:24.609 INFO [stderr] 
Dec 17 20:03:24.609 INFO [stderr] warning: variant is never constructed: `Head`
Dec 17 20:03:24.609 INFO [stderr]   --> src/http.rs:35:19
Dec 17 20:03:24.609 INFO [stderr]    |
Dec 17 20:03:24.609 INFO [stderr] 35 |   Get, Post, Put, Head, Delete, Patch, Options
Dec 17 20:03:24.609 INFO [stderr]    |                   ^^^^
Dec 17 20:03:24.609 INFO [stderr] 
Dec 17 20:03:24.609 INFO [stderr] warning: variant is never constructed: `Delete`
Dec 17 20:03:24.609 INFO [stderr]   --> src/http.rs:35:25
Dec 17 20:03:24.609 INFO [stderr]    |
Dec 17 20:03:24.609 INFO [stderr] 35 |   Get, Post, Put, Head, Delete, Patch, Options
Dec 17 20:03:24.609 INFO [stderr]    |                         ^^^^^^
Dec 17 20:03:24.609 INFO [stderr] 
Dec 17 20:03:24.609 INFO [stderr] warning: variant is never constructed: `Patch`
Dec 17 20:03:24.609 INFO [stderr]   --> src/http.rs:35:33
Dec 17 20:03:24.609 INFO [stderr]    |
Dec 17 20:03:24.609 INFO [stderr] 35 |   Get, Post, Put, Head, Delete, Patch, Options
Dec 17 20:03:24.609 INFO [stderr]    |                                 ^^^^^
Dec 17 20:03:24.609 INFO [stderr] 
Dec 17 20:03:24.609 INFO [stderr] warning: variant is never constructed: `Options`
Dec 17 20:03:24.609 INFO [stderr]   --> src/http.rs:35:40
Dec 17 20:03:24.609 INFO [stderr]    |
Dec 17 20:03:24.609 INFO [stderr] 35 |   Get, Post, Put, Head, Delete, Patch, Options
Dec 17 20:03:24.609 INFO [stderr]    |                                        ^^^^^^^
Dec 17 20:03:24.609 INFO [stderr] 
Dec 17 20:03:24.609 INFO [stderr] warning: field is never used: `binding`
Dec 17 20:03:24.609 INFO [stderr]   --> src/http.rs:66:3
Dec 17 20:03:24.609 INFO [stderr]    |
Dec 17 20:03:24.609 INFO [stderr] 66 |   binding: &'static str,
Dec 17 20:03:24.609 INFO [stderr]    |   ^^^^^^^^^^^^^^^^^^^^^
Dec 17 20:03:24.609 INFO [stderr] 
Dec 17 20:03:24.609 INFO [stderr] warning: method is never used: `new`
Dec 17 20:03:24.609 INFO [stderr]   --> src/http.rs:86:3
Dec 17 20:03:24.609 INFO [stderr]    |
Dec 17 20:03:24.609 INFO [stderr] 86 |   pub fn new(status: Status, body: Option<Box<String>>) -> Self {
Dec 17 20:03:24.609 INFO [stderr]    |   ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
Dec 17 20:03:24.609 INFO [stderr] 
Dec 17 20:03:24.609 INFO [stderr] warning: method is never used: `log`
Dec 17 20:03:24.609 INFO [stderr]    --> src/http.rs:122:3
Dec 17 20:03:24.609 INFO [stderr]     |
Dec 17 20:03:24.609 INFO [stderr] 122 |   fn log(&self) {
Dec 17 20:03:24.609 INFO [stderr]     |   ^^^^^^^^^^^^^
Dec 17 20:03:24.609 INFO [stderr] 
Dec 17 20:03:24.609 INFO [stderr] warning: unused `std::result::Result` that must be used
Dec 17 20:03:24.609 INFO [stderr]   --> src/main.rs:15:17
Dec 17 20:03:24.609 INFO [stderr]    |
Dec 17 20:03:24.609 INFO [stderr] 15 |                 resp.write(&mut stream);
Dec 17 20:03:24.609 INFO [stderr]    |                 ^^^^^^^^^^^^^^^^^^^^^^^^
Dec 17 20:03:24.609 INFO [stderr]    |
Dec 17 20:03:24.609 INFO [stderr]    = note: #[warn(unused_must_use)] on by default
Dec 17 20:03:24.609 INFO [stderr]    = note: this `Result` may be an `Err` variant, which should be handled
Dec 17 20:03:24.609 INFO [stderr] 
Dec 17 20:03:24.641 INFO [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 0.51s
Dec 17 20:03:25.312 INFO running `"docker" "inspect" "42c6ab1b6666a956769ee377443418b8b2c8d9885df1d0ce3d2d0719c4ccbc97"`
Dec 17 20:03:25.640 INFO running `"docker" "rm" "-f" "42c6ab1b6666a956769ee377443418b8b2c8d9885df1d0ce3d2d0719c4ccbc97"`
Dec 17 20:03:25.944 INFO [stdout] 42c6ab1b6666a956769ee377443418b8b2c8d9885df1d0ce3d2d0719c4ccbc97