[INFO] updating cached repository https://github.com/masterfuzz/hello-rust-http
[INFO] running `"git" "-c" "credential.helper=" "-c" "credential.helper=/workspace/cargo-home/bin/git-credential-null" "-c" "remote.origin.fetch=refs/heads/*:refs/heads/*" "fetch" "origin" "--force" "--prune"`
[INFO] running `"git" "rev-parse" "HEAD"`
[INFO] [stdout] fa4e394abbb57b82638c9cc094009c8e41f29734
[INFO] checking masterfuzz/hello-rust-http against master#45d050cde277b22a755847338f2acc2c7b834141 for pr-71393
[INFO] running `"git" "clone" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fmasterfuzz%2Fhello-rust-http" "/workspace/builds/worker-0/source"`
[INFO] [stderr] Cloning into '/workspace/builds/worker-0/source'...
[INFO] [stderr] done.
[INFO] validating manifest of git repo https://github.com/masterfuzz/hello-rust-http on toolchain 45d050cde277b22a755847338f2acc2c7b834141
[INFO] running `"/workspace/cargo-home/bin/cargo" "+45d050cde277b22a755847338f2acc2c7b834141" "read-manifest" "--manifest-path" "Cargo.toml"`
[INFO] started tweaking git repo https://github.com/masterfuzz/hello-rust-http
[INFO] finished tweaking git repo https://github.com/masterfuzz/hello-rust-http
[INFO] tweaked toml for git repo https://github.com/masterfuzz/hello-rust-http written to /workspace/builds/worker-0/source/Cargo.toml
[INFO] crate git repo https://github.com/masterfuzz/hello-rust-http already has a lockfile, it will not be regenerated
[INFO] running `"/workspace/cargo-home/bin/cargo" "+45d050cde277b22a755847338f2acc2c7b834141" "fetch" "--locked" "--manifest-path" "Cargo.toml"`
[INFO] running `"docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-0/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-0/source:/opt/rustwide/workdir:ro,Z" "-v" "/var/lib/crater-agent-workspace/cargo-home:/opt/rustwide/cargo-home:ro,Z" "-v" "/var/lib/crater-agent-workspace/rustup-home:/opt/rustwide/rustup-home:ro,Z" "-e" "SOURCE_DIR=/opt/rustwide/workdir" "-e" "MAP_USER_ID=0" "-e" "CARGO_TARGET_DIR=/opt/rustwide/target" "-e" "CARGO_INCREMENTAL=0" "-e" "RUST_BACKTRACE=full" "-e" "RUSTFLAGS=--cap-lints=forbid" "-e" "CARGO_HOME=/opt/rustwide/cargo-home" "-e" "RUSTUP_HOME=/opt/rustwide/rustup-home" "-w" "/opt/rustwide/workdir" "-m" "1610612736" "--network" "none" "rustops/crates-build-env" "/opt/rustwide/cargo-home/bin/cargo" "+45d050cde277b22a755847338f2acc2c7b834141" "check" "--frozen" "--all" "--all-targets"`
[INFO] [stderr] WARNING: Your kernel does not support swap limit capabilities or the cgroup is not mounted. Memory limited without swap.
[INFO] [stdout] a50a1c725386353b6cf7dde454ccf89d6cfef395089df8d6d551492c032dba8f
[INFO] running `"docker" "start" "-a" "a50a1c725386353b6cf7dde454ccf89d6cfef395089df8d6d551492c032dba8f"`
[INFO] [stderr]     Checking helloweb v0.1.0 (/opt/rustwide/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: 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 read: `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 read: `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] warning: field is never read: `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 read: `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: 12 warnings emitted
[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] warning: 12 warnings emitted
[INFO] [stderr] 
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 0.29s
[INFO] running `"docker" "inspect" "a50a1c725386353b6cf7dde454ccf89d6cfef395089df8d6d551492c032dba8f"`
[INFO] running `"docker" "rm" "-f" "a50a1c725386353b6cf7dde454ccf89d6cfef395089df8d6d551492c032dba8f"`
[INFO] [stdout] a50a1c725386353b6cf7dde454ccf89d6cfef395089df8d6d551492c032dba8f