[INFO] cloning repository https://github.com/colin-riddell/httplay
[INFO] running `Command { std: "git" "-c" "credential.helper=" "-c" "credential.helper=/workspace/cargo-home/bin/git-credential-null" "clone" "--bare" "https://github.com/colin-riddell/httplay" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fcolin-riddell%2Fhttplay", kill_on_drop: false }`
[INFO] [stderr] Cloning into bare repository '/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fcolin-riddell%2Fhttplay'...
[INFO] running `Command { std: "git" "rev-parse" "HEAD", kill_on_drop: false }`
[INFO] [stdout] 336ca8b3aea3dc6f61fac82a405bfb7fa143e0d0
[INFO] checking colin-riddell/httplay against try#3a4cb0edb4040379c037e06efeb5409e44be7b77 for pr-146377
[INFO] running `Command { std: "git" "clone" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fcolin-riddell%2Fhttplay" "/workspace/builds/worker-2-tc2/source", kill_on_drop: false }`
[INFO] [stderr] Cloning into '/workspace/builds/worker-2-tc2/source'...
[INFO] [stderr] done.
[INFO] started tweaking git repo https://github.com/colin-riddell/httplay
[INFO] finished tweaking git repo https://github.com/colin-riddell/httplay
[INFO] tweaked toml for git repo https://github.com/colin-riddell/httplay written to /workspace/builds/worker-2-tc2/source/Cargo.toml
[INFO] validating manifest of git repo https://github.com/colin-riddell/httplay on toolchain 3a4cb0edb4040379c037e06efeb5409e44be7b77
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+3a4cb0edb4040379c037e06efeb5409e44be7b77" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }`
[INFO] crate git repo https://github.com/colin-riddell/httplay already has a lockfile, it will not be regenerated
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+3a4cb0edb4040379c037e06efeb5409e44be7b77" "fetch" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] [stderr]     Blocking waiting for file lock on package cache
[INFO] [stderr]     Blocking waiting for file lock on package cache
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-2-tc2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-2-tc2/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" "ghcr.io/rust-lang/crates-build-env/linux@sha256:94a0c148923f5b2b52a63ef0eeb1882ad339ab61bce784c8077cbe41c61feb6c" "/opt/rustwide/cargo-home/bin/cargo" "+3a4cb0edb4040379c037e06efeb5409e44be7b77" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] 63bf6a59f509283c7de862f4dee3469081244bd88427b660386969dc6ea09284
[INFO] running `Command { std: "docker" "start" "-a" "63bf6a59f509283c7de862f4dee3469081244bd88427b660386969dc6ea09284", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "63bf6a59f509283c7de862f4dee3469081244bd88427b660386969dc6ea09284", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "63bf6a59f509283c7de862f4dee3469081244bd88427b660386969dc6ea09284", kill_on_drop: false }`
[INFO] [stdout] 63bf6a59f509283c7de862f4dee3469081244bd88427b660386969dc6ea09284
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-2-tc2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-2-tc2/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" "RUSTDOCFLAGS=--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" "ghcr.io/rust-lang/crates-build-env/linux@sha256:94a0c148923f5b2b52a63ef0eeb1882ad339ab61bce784c8077cbe41c61feb6c" "/opt/rustwide/cargo-home/bin/cargo" "+3a4cb0edb4040379c037e06efeb5409e44be7b77" "check" "--frozen" "--all" "--all-targets" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] 5e00dcdfa07893ed20e55a68e36cfeb5cc4cbcf827155821d2b69f9ccb3954ef
[INFO] running `Command { std: "docker" "start" "-a" "5e00dcdfa07893ed20e55a68e36cfeb5cc4cbcf827155821d2b69f9ccb3954ef", kill_on_drop: false }`
[INFO] [stderr]     Checking httplay v0.1.0 (/opt/rustwide/workdir)
[INFO] [stdout] warning: unused import: `TcpListener`
[INFO] [stdout]  --> src/requests/mod.rs:2:16
[INFO] [stdout]   |
[INFO] [stdout] 2 | use std::net::{TcpListener, TcpStream};
[INFO] [stdout]   |                ^^^^^^^^^^^
[INFO] [stdout]   |
[INFO] [stdout]   = note: `#[warn(unused_imports)]` (part of `#[warn(unused)]`) on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `result`
[INFO] [stdout]   --> src/handler.rs:19:9
[INFO] [stdout]    |
[INFO] [stdout] 19 |     let result = stream.write(response_line.as_bytes());
[INFO] [stdout]    |         ^^^^^^ help: if this is intentional, prefix it with an underscore: `_result`
[INFO] [stdout]    |
[INFO] [stdout]    = note: `#[warn(unused_variables)]` (part of `#[warn(unused)]`) on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: fields `key` and `value` are never read
[INFO] [stdout]  --> src/requests/mod.rs:7:5
[INFO] [stdout]   |
[INFO] [stdout] 6 | pub struct Header {
[INFO] [stdout]   |            ------ fields in this struct
[INFO] [stdout] 7 |     key: String,
[INFO] [stdout]   |     ^^^
[INFO] [stdout] 8 |     value: String
[INFO] [stdout]   |     ^^^^^
[INFO] [stdout]   |
[INFO] [stdout]   = note: `Header` has a derived impl for the trait `Debug`, but this is intentionally ignored during dead code analysis
[INFO] [stdout]   = note: `#[warn(dead_code)]` (part of `#[warn(unused)]`) on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: fields `route`, `version`, `headers`, and `body` are never read
[INFO] [stdout]   --> src/requests/mod.rs:23:5
[INFO] [stdout]    |
[INFO] [stdout] 21 | pub struct HTTPRequest {
[INFO] [stdout]    |            ----------- fields in this struct
[INFO] [stdout] 22 |     verb: String,
[INFO] [stdout] 23 |     route: String,
[INFO] [stdout]    |     ^^^^^
[INFO] [stdout] 24 |     version: String,
[INFO] [stdout]    |     ^^^^^^^
[INFO] [stdout] 25 |     headers: Vec<Header>,
[INFO] [stdout]    |     ^^^^^^^
[INFO] [stdout] 26 |     body: String // correct datatype for all body types? Should be byte array?
[INFO] [stdout]    |     ^^^^
[INFO] [stdout]    |
[INFO] [stdout]    = note: `HTTPRequest` has a derived impl for the trait `Debug`, but this is intentionally ignored during dead code analysis
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused `Result` that must be used
[INFO] [stdout]  --> src/main.rs:5:5
[INFO] [stdout]   |
[INFO] [stdout] 5 |     handler::run();
[INFO] [stdout]   |     ^^^^^^^^^^^^^^
[INFO] [stdout]   |
[INFO] [stdout]   = note: this `Result` may be an `Err` variant, which should be handled
[INFO] [stdout]   = note: `#[warn(unused_must_use)]` (part of `#[warn(unused)]`) on by default
[INFO] [stdout] help: use `let _ = ...` to ignore the resulting value
[INFO] [stdout]   |
[INFO] [stdout] 5 |     let _ = handler::run();
[INFO] [stdout]   |     +++++++
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused `Result` that must be used
[INFO] [stdout]   --> src/handler.rs:28:9
[INFO] [stdout]    |
[INFO] [stdout] 28 |         handle_client(stream?);
[INFO] [stdout]    |         ^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout]    |
[INFO] [stdout]    = note: this `Result` may be an `Err` variant, which should be handled
[INFO] [stdout] help: use `let _ = ...` to ignore the resulting value
[INFO] [stdout]    |
[INFO] [stdout] 28 |         let _ = handle_client(stream?);
[INFO] [stdout]    |         +++++++
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused `Result` that must be used
[INFO] [stdout]   --> src/requests/mod.rs:42:9
[INFO] [stdout]    |
[INFO] [stdout] 42 |         stream.read(&mut buf);
[INFO] [stdout]    |         ^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout]    |
[INFO] [stdout]    = note: this `Result` may be an `Err` variant, which should be handled
[INFO] [stdout] help: use `let _ = ...` to ignore the resulting value
[INFO] [stdout]    |
[INFO] [stdout] 42 |         let _ = stream.read(&mut buf);
[INFO] [stdout]    |         +++++++
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused import: `TcpListener`
[INFO] [stdout]  --> src/requests/mod.rs:2:16
[INFO] [stdout]   |
[INFO] [stdout] 2 | use std::net::{TcpListener, TcpStream};
[INFO] [stdout]   |                ^^^^^^^^^^^
[INFO] [stdout]   |
[INFO] [stdout]   = note: `#[warn(unused_imports)]` (part of `#[warn(unused)]`) on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `result`
[INFO] [stdout]   --> src/handler.rs:19:9
[INFO] [stdout]    |
[INFO] [stdout] 19 |     let result = stream.write(response_line.as_bytes());
[INFO] [stdout]    |         ^^^^^^ help: if this is intentional, prefix it with an underscore: `_result`
[INFO] [stdout]    |
[INFO] [stdout]    = note: `#[warn(unused_variables)]` (part of `#[warn(unused)]`) on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: fields `key` and `value` are never read
[INFO] [stdout]  --> src/requests/mod.rs:7:5
[INFO] [stdout]   |
[INFO] [stdout] 6 | pub struct Header {
[INFO] [stdout]   |            ------ fields in this struct
[INFO] [stdout] 7 |     key: String,
[INFO] [stdout]   |     ^^^
[INFO] [stdout] 8 |     value: String
[INFO] [stdout]   |     ^^^^^
[INFO] [stdout]   |
[INFO] [stdout]   = note: `Header` has a derived impl for the trait `Debug`, but this is intentionally ignored during dead code analysis
[INFO] [stdout]   = note: `#[warn(dead_code)]` (part of `#[warn(unused)]`) on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: fields `route`, `version`, `headers`, and `body` are never read
[INFO] [stdout]   --> src/requests/mod.rs:23:5
[INFO] [stdout]    |
[INFO] [stdout] 21 | pub struct HTTPRequest {
[INFO] [stdout]    |            ----------- fields in this struct
[INFO] [stdout] 22 |     verb: String,
[INFO] [stdout] 23 |     route: String,
[INFO] [stdout]    |     ^^^^^
[INFO] [stdout] 24 |     version: String,
[INFO] [stdout]    |     ^^^^^^^
[INFO] [stdout] 25 |     headers: Vec<Header>,
[INFO] [stdout]    |     ^^^^^^^
[INFO] [stdout] 26 |     body: String // correct datatype for all body types? Should be byte array?
[INFO] [stdout]    |     ^^^^
[INFO] [stdout]    |
[INFO] [stdout]    = note: `HTTPRequest` has a derived impl for the trait `Debug`, but this is intentionally ignored during dead code analysis
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused `Result` that must be used
[INFO] [stdout]  --> src/main.rs:5:5
[INFO] [stdout]   |
[INFO] [stdout] 5 |     handler::run();
[INFO] [stdout]   |     ^^^^^^^^^^^^^^
[INFO] [stdout]   |
[INFO] [stdout]   = note: this `Result` may be an `Err` variant, which should be handled
[INFO] [stdout]   = note: `#[warn(unused_must_use)]` (part of `#[warn(unused)]`) on by default
[INFO] [stdout] help: use `let _ = ...` to ignore the resulting value
[INFO] [stdout]   |
[INFO] [stdout] 5 |     let _ = handler::run();
[INFO] [stdout]   |     +++++++
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused `Result` that must be used
[INFO] [stdout]   --> src/handler.rs:28:9
[INFO] [stdout]    |
[INFO] [stdout] 28 |         handle_client(stream?);
[INFO] [stdout]    |         ^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout]    |
[INFO] [stdout]    = note: this `Result` may be an `Err` variant, which should be handled
[INFO] [stdout] help: use `let _ = ...` to ignore the resulting value
[INFO] [stdout]    |
[INFO] [stdout] 28 |         let _ = handle_client(stream?);
[INFO] [stdout]    |         +++++++
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused `Result` that must be used
[INFO] [stdout]   --> src/requests/mod.rs:42:9
[INFO] [stdout]    |
[INFO] [stdout] 42 |         stream.read(&mut buf);
[INFO] [stdout]    |         ^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout]    |
[INFO] [stdout]    = note: this `Result` may be an `Err` variant, which should be handled
[INFO] [stdout] help: use `let _ = ...` to ignore the resulting value
[INFO] [stdout]    |
[INFO] [stdout] 42 |         let _ = stream.read(&mut buf);
[INFO] [stdout]    |         +++++++
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr]     Finished `dev` profile [unoptimized + debuginfo] target(s) in 0.28s
[INFO] running `Command { std: "docker" "inspect" "5e00dcdfa07893ed20e55a68e36cfeb5cc4cbcf827155821d2b69f9ccb3954ef", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "5e00dcdfa07893ed20e55a68e36cfeb5cc4cbcf827155821d2b69f9ccb3954ef", kill_on_drop: false }`
[INFO] [stdout] 5e00dcdfa07893ed20e55a68e36cfeb5cc4cbcf827155821d2b69f9ccb3954ef