[INFO] cloning repository https://github.com/masterfuzz/hello-rust-http
[INFO] running `Command { std: "git" "-c" "credential.helper=" "-c" "credential.helper=/workspace/cargo-home/bin/git-credential-null" "clone" "--bare" "https://github.com/masterfuzz/hello-rust-http" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fmasterfuzz%2Fhello-rust-http", kill_on_drop: false }`
[INFO] [stderr] Cloning into bare repository '/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fmasterfuzz%2Fhello-rust-http'...
[INFO] running `Command { std: "git" "rev-parse" "HEAD", kill_on_drop: false }`
[INFO] [stdout] fa4e394abbb57b82638c9cc094009c8e41f29734
[INFO] checking masterfuzz/hello-rust-http against try#575650af7d7ca88602df28e39d27bf3e456c306e for pr-80579
[INFO] running `Command { std: "git" "clone" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fmasterfuzz%2Fhello-rust-http" "/workspace/builds/worker-2/source", kill_on_drop: false }`
[INFO] [stderr] Cloning into '/workspace/builds/worker-2/source'...
[INFO] [stderr] done.
[INFO] validating manifest of git repo https://github.com/masterfuzz/hello-rust-http on toolchain 575650af7d7ca88602df28e39d27bf3e456c306e
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+575650af7d7ca88602df28e39d27bf3e456c306e" "read-manifest" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[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-2/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 `Command { std: "/workspace/cargo-home/bin/cargo" "+575650af7d7ca88602df28e39d27bf3e456c306e" "fetch" "--locked" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-2/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" "CARGO_TARGET_DIR=/opt/rustwide/target" "-e" "CARGO_HOME=/opt/rustwide/cargo-home" "-e" "RUSTUP_HOME=/opt/rustwide/rustup-home" "-w" "/opt/rustwide/workdir" "-m" "1610612736" "--user" "0:0" "--network" "none" "rustops/crates-build-env@sha256:b8eeb62f26c39b23691079a6cb6de528d8e88b4d71a8f6b1d30f8ba7d9c16de9" "/opt/rustwide/cargo-home/bin/cargo" "+575650af7d7ca88602df28e39d27bf3e456c306e" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] d5b6f3593b58ec90caa7ae4cc58d8fb5c474af1d6495909354f014ce368d50c4
[INFO] [stderr] WARNING: Your kernel does not support swap limit capabilities or the cgroup is not mounted. Memory limited without swap.
[INFO] running `Command { std: "docker" "start" "-a" "d5b6f3593b58ec90caa7ae4cc58d8fb5c474af1d6495909354f014ce368d50c4", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "d5b6f3593b58ec90caa7ae4cc58d8fb5c474af1d6495909354f014ce368d50c4", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "d5b6f3593b58ec90caa7ae4cc58d8fb5c474af1d6495909354f014ce368d50c4", kill_on_drop: false }`
[INFO] [stdout] d5b6f3593b58ec90caa7ae4cc58d8fb5c474af1d6495909354f014ce368d50c4
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-2/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" "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" "--user" "0:0" "--network" "none" "rustops/crates-build-env@sha256:b8eeb62f26c39b23691079a6cb6de528d8e88b4d71a8f6b1d30f8ba7d9c16de9" "/opt/rustwide/cargo-home/bin/cargo" "+575650af7d7ca88602df28e39d27bf3e456c306e" "check" "--frozen" "--all" "--all-targets" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] bc75ef905997e5229d0ddc80106073cf462c6e0f9d3c7d6f0b084438ddfc116f
[INFO] [stderr] WARNING: Your kernel does not support swap limit capabilities or the cgroup is not mounted. Memory limited without swap.
[INFO] running `Command { std: "docker" "start" "-a" "bc75ef905997e5229d0ddc80106073cf462c6e0f9d3c7d6f0b084438ddfc116f", kill_on_drop: false }`
[INFO] [stderr]     Checking helloweb v0.1.0 (/opt/rustwide/workdir)
[INFO] [stdout] warning: unused import: `std::thread`
[INFO] [stdout]  --> src/main.rs:2:5
[INFO] [stdout]   |
[INFO] [stdout] 2 | use std::thread;
[INFO] [stdout]   |     ^^^^^^^^^^^
[INFO] [stdout]   |
[INFO] [stdout]   = note: `#[warn(unused_imports)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused import: `std::thread`
[INFO] [stdout]  --> src/main.rs:2:5
[INFO] [stdout]   |
[INFO] [stdout] 2 | use std::thread;
[INFO] [stdout]   |     ^^^^^^^^^^^
[INFO] [stdout]   |
[INFO] [stdout]   = note: `#[warn(unused_imports)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: field is never read: `body`
[INFO] [stdout]   --> src/http.rs:26:3
[INFO] [stdout]    |
[INFO] [stdout] 26 |   body: Option<Box<String>>,
[INFO] [stdout]    |   ^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout]    |
[INFO] [stdout]    = note: `#[warn(dead_code)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: variant is never constructed: `Post`
[INFO] [stdout]   --> src/http.rs:35:8
[INFO] [stdout]    |
[INFO] [stdout] 35 |   Get, Post, Put, Head, Delete, Patch, Options
[INFO] [stdout]    |        ^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: variant is never constructed: `Put`
[INFO] [stdout]   --> src/http.rs:35:14
[INFO] [stdout]    |
[INFO] [stdout] 35 |   Get, Post, Put, Head, Delete, Patch, Options
[INFO] [stdout]    |              ^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: variant is never constructed: `Head`
[INFO] [stdout]   --> src/http.rs:35:19
[INFO] [stdout]    |
[INFO] [stdout] 35 |   Get, Post, Put, Head, Delete, Patch, Options
[INFO] [stdout]    |                   ^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: variant is never constructed: `Delete`
[INFO] [stdout]   --> src/http.rs:35:25
[INFO] [stdout]    |
[INFO] [stdout] 35 |   Get, Post, Put, Head, Delete, Patch, Options
[INFO] [stdout]    |                         ^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: variant is never constructed: `Patch`
[INFO] [stdout]   --> src/http.rs:35:33
[INFO] [stdout]    |
[INFO] [stdout] 35 |   Get, Post, Put, Head, Delete, Patch, Options
[INFO] [stdout]    |                                 ^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: variant is never constructed: `Options`
[INFO] [stdout]   --> src/http.rs:35:40
[INFO] [stdout]    |
[INFO] [stdout] 35 |   Get, Post, Put, Head, Delete, Patch, Options
[INFO] [stdout]    |                                        ^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: field is never read: `binding`
[INFO] [stdout]   --> src/http.rs:66:3
[INFO] [stdout]    |
[INFO] [stdout] 66 |   binding: &'static str,
[INFO] [stdout]    |   ^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: associated function is never used: `new`
[INFO] [stdout]   --> src/http.rs:86:10
[INFO] [stdout]    |
[INFO] [stdout] 86 |   pub fn new(status: Status, body: Option<Box<String>>) -> Self {
[INFO] [stdout]    |          ^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: associated function is never used: `log`
[INFO] [stdout]    --> src/http.rs:122:6
[INFO] [stdout]     |
[INFO] [stdout] 122 |   fn log(&self) {
[INFO] [stdout]     |      ^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: field is never read: `body`
[INFO] [stdout]   --> src/http.rs:26:3
[INFO] [stdout]    |
[INFO] [stdout] 26 |   body: Option<Box<String>>,
[INFO] [stdout]    |   ^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout]    |
[INFO] [stdout]    = note: `#[warn(dead_code)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: variant is never constructed: `Post`
[INFO] [stdout]   --> src/http.rs:35:8
[INFO] [stdout]    |
[INFO] [stdout] 35 |   Get, Post, Put, Head, Delete, Patch, Options
[INFO] [stdout]    |        ^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: variant is never constructed: `Put`
[INFO] [stdout]   --> src/http.rs:35:14
[INFO] [stdout]    |
[INFO] [stdout] 35 |   Get, Post, Put, Head, Delete, Patch, Options
[INFO] [stdout]    |              ^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: variant is never constructed: `Head`
[INFO] [stdout]   --> src/http.rs:35:19
[INFO] [stdout]    |
[INFO] [stdout] 35 |   Get, Post, Put, Head, Delete, Patch, Options
[INFO] [stdout]    |                   ^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: variant is never constructed: `Delete`
[INFO] [stdout]   --> src/http.rs:35:25
[INFO] [stdout]    |
[INFO] [stdout] 35 |   Get, Post, Put, Head, Delete, Patch, Options
[INFO] [stdout]    |                         ^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: variant is never constructed: `Patch`
[INFO] [stdout]   --> src/http.rs:35:33
[INFO] [stdout]    |
[INFO] [stdout] 35 |   Get, Post, Put, Head, Delete, Patch, Options
[INFO] [stdout]    |                                 ^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: variant is never constructed: `Options`
[INFO] [stdout]   --> src/http.rs:35:40
[INFO] [stdout]    |
[INFO] [stdout] 35 |   Get, Post, Put, Head, Delete, Patch, Options
[INFO] [stdout]    |                                        ^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: field is never read: `binding`
[INFO] [stdout]   --> src/http.rs:66:3
[INFO] [stdout]    |
[INFO] [stdout] 66 |   binding: &'static str,
[INFO] [stdout]    |   ^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: associated function is never used: `new`
[INFO] [stdout]   --> src/http.rs:86:10
[INFO] [stdout]    |
[INFO] [stdout] 86 |   pub fn new(status: Status, body: Option<Box<String>>) -> Self {
[INFO] [stdout]    |          ^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: associated function is never used: `log`
[INFO] [stdout]    --> src/http.rs:122:6
[INFO] [stdout]     |
[INFO] [stdout] 122 |   fn log(&self) {
[INFO] [stdout]     |      ^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused `std::result::Result` that must be used
[INFO] [stdout]   --> src/main.rs:15:17
[INFO] [stdout]    |
[INFO] [stdout] 15 |                 resp.write(&mut stream);
[INFO] [stdout]    |                 ^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout]    |
[INFO] [stdout]    = note: `#[warn(unused_must_use)]` on by default
[INFO] [stdout]    = note: this `Result` may be an `Err` variant, which should be handled
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused `std::result::Result` that must be used
[INFO] [stdout]   --> src/main.rs:15:17
[INFO] [stdout]    |
[INFO] [stdout] 15 |                 resp.write(&mut stream);
[INFO] [stdout]    |                 ^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout]    |
[INFO] [stdout]    = note: `#[warn(unused_must_use)]` on by default
[INFO] [stdout]    = note: this `Result` may be an `Err` variant, which should be handled
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: 12 warnings emitted
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: 12 warnings emitted
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 0.72s
[INFO] running `Command { std: "docker" "inspect" "bc75ef905997e5229d0ddc80106073cf462c6e0f9d3c7d6f0b084438ddfc116f", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "bc75ef905997e5229d0ddc80106073cf462c6e0f9d3c7d6f0b084438ddfc116f", kill_on_drop: false }`
[INFO] [stdout] bc75ef905997e5229d0ddc80106073cf462c6e0f9d3c7d6f0b084438ddfc116f