[INFO] fetching crate trusty_web 0.1.0...
[INFO] checking trusty_web-0.1.0 against try#c659ee110de67e82444e4b6c8407c1a9af9c2cf6 for pr-145608-1
[INFO] extracting crate trusty_web 0.1.0 into /workspace/builds/worker-7-tc2/source
[INFO] started tweaking crates.io crate trusty_web 0.1.0
[INFO] finished tweaking crates.io crate trusty_web 0.1.0
[INFO] tweaked toml for crates.io crate trusty_web 0.1.0 written to /workspace/builds/worker-7-tc2/source/Cargo.toml
[INFO] validating manifest of crates.io crate trusty_web 0.1.0 on toolchain c659ee110de67e82444e4b6c8407c1a9af9c2cf6
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+c659ee110de67e82444e4b6c8407c1a9af9c2cf6" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }`
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+c659ee110de67e82444e4b6c8407c1a9af9c2cf6" "generate-lockfile" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] [stderr]     Updating crates.io index
[INFO] [stderr]     Blocking waiting for file lock on package cache
[INFO] [stderr]      Locking 10 packages to latest compatible versions
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+c659ee110de67e82444e4b6c8407c1a9af9c2cf6" "fetch" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] [stderr]     Blocking waiting for file lock on package cache
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-7-tc2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-7-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@sha256:7ad1b28ee6f5f7f699f6cf7015098d6ccdd96d6f2d78dd06228f5b4c9faf309c" "/opt/rustwide/cargo-home/bin/cargo" "+c659ee110de67e82444e4b6c8407c1a9af9c2cf6" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] f705c6d2d1b4746514e6429d1efd2418f46bceb746c8e72319f2e118def70bb7
[INFO] running `Command { std: "docker" "start" "-a" "f705c6d2d1b4746514e6429d1efd2418f46bceb746c8e72319f2e118def70bb7", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "f705c6d2d1b4746514e6429d1efd2418f46bceb746c8e72319f2e118def70bb7", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "f705c6d2d1b4746514e6429d1efd2418f46bceb746c8e72319f2e118def70bb7", kill_on_drop: false }`
[INFO] [stdout] f705c6d2d1b4746514e6429d1efd2418f46bceb746c8e72319f2e118def70bb7
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-7-tc2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-7-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@sha256:7ad1b28ee6f5f7f699f6cf7015098d6ccdd96d6f2d78dd06228f5b4c9faf309c" "/opt/rustwide/cargo-home/bin/cargo" "+c659ee110de67e82444e4b6c8407c1a9af9c2cf6" "check" "--frozen" "--all" "--all-targets" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] 5081743f16ff7f9824e0396edd980473e642bdad967a95c7c591b95f0d6ef3eb
[INFO] running `Command { std: "docker" "start" "-a" "5081743f16ff7f9824e0396edd980473e642bdad967a95c7c591b95f0d6ef3eb", kill_on_drop: false }`
[INFO] [stderr]     Checking serde_json v1.0.143
[INFO] [stderr]     Checking trusty_web v0.1.0 (/opt/rustwide/workdir)
[INFO] [stdout] warning: variable does not need to be mutable
[INFO] [stdout]  --> src/listener/parser.rs:8:9
[INFO] [stdout]   |
[INFO] [stdout] 8 |     let mut response = Response::new();
[INFO] [stdout]   |         ----^^^^^^^^
[INFO] [stdout]   |         |
[INFO] [stdout]   |         help: remove this `mut`
[INFO] [stdout]   |
[INFO] [stdout]   = note: `#[warn(unused_mut)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: fields `raw`, `version`, `host`, and `user_agent` are never read
[INFO] [stdout]   --> src/listener/request.rs:12:2
[INFO] [stdout]    |
[INFO] [stdout] 11 | pub struct Request {
[INFO] [stdout]    |            ------- fields in this struct
[INFO] [stdout] 12 |     raw: String,
[INFO] [stdout]    |     ^^^
[INFO] [stdout] 13 |     version: String,
[INFO] [stdout]    |     ^^^^^^^
[INFO] [stdout] ...
[INFO] [stdout] 16 |     host: String,
[INFO] [stdout]    |     ^^^^
[INFO] [stdout] 17 |     user_agent: String,
[INFO] [stdout]    |     ^^^^^^^^^^
[INFO] [stdout]    |
[INFO] [stdout]    = note: `Request` has a derived impl for the trait `Clone`, but this is intentionally ignored during dead code analysis
[INFO] [stdout]    = note: `#[warn(dead_code)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: fields `host` and `headers` are never read
[INFO] [stdout]   --> src/listener/response.rs:12:5
[INFO] [stdout]    |
[INFO] [stdout] 10 | pub struct Response {
[INFO] [stdout]    |            -------- fields in this struct
[INFO] [stdout] 11 |     pub raw: String,
[INFO] [stdout] 12 |     host: String,
[INFO] [stdout]    |     ^^^^
[INFO] [stdout] ...
[INFO] [stdout] 15 |     headers: String,
[INFO] [stdout]    |     ^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: struct `ViewParser` is never constructed
[INFO] [stdout]  --> src/listener/view_parser.rs:2:8
[INFO] [stdout]   |
[INFO] [stdout] 2 | struct ViewParser {
[INFO] [stdout]   |        ^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: variable does not need to be mutable
[INFO] [stdout]  --> src/listener/parser.rs:8:9
[INFO] [stdout]   |
[INFO] [stdout] 8 |     let mut response = Response::new();
[INFO] [stdout]   |         ----^^^^^^^^
[INFO] [stdout]   |         |
[INFO] [stdout]   |         help: remove this `mut`
[INFO] [stdout]   |
[INFO] [stdout]   = note: `#[warn(unused_mut)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: fields `raw`, `version`, `host`, and `user_agent` are never read
[INFO] [stdout]   --> src/listener/request.rs:12:2
[INFO] [stdout]    |
[INFO] [stdout] 11 | pub struct Request {
[INFO] [stdout]    |            ------- fields in this struct
[INFO] [stdout] 12 |     raw: String,
[INFO] [stdout]    |     ^^^
[INFO] [stdout] 13 |     version: String,
[INFO] [stdout]    |     ^^^^^^^
[INFO] [stdout] ...
[INFO] [stdout] 16 |     host: String,
[INFO] [stdout]    |     ^^^^
[INFO] [stdout] 17 |     user_agent: String,
[INFO] [stdout]    |     ^^^^^^^^^^
[INFO] [stdout]    |
[INFO] [stdout]    = note: `Request` has a derived impl for the trait `Clone`, but this is intentionally ignored during dead code analysis
[INFO] [stdout]    = note: `#[warn(dead_code)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: fields `host` and `headers` are never read
[INFO] [stdout]   --> src/listener/response.rs:12:5
[INFO] [stdout]    |
[INFO] [stdout] 10 | pub struct Response {
[INFO] [stdout]    |            -------- fields in this struct
[INFO] [stdout] 11 |     pub raw: String,
[INFO] [stdout] 12 |     host: String,
[INFO] [stdout]    |     ^^^^
[INFO] [stdout] ...
[INFO] [stdout] 15 |     headers: String,
[INFO] [stdout]    |     ^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: struct `ViewParser` is never constructed
[INFO] [stdout]  --> src/listener/view_parser.rs:2:8
[INFO] [stdout]   |
[INFO] [stdout] 2 | struct ViewParser {
[INFO] [stdout]   |        ^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr]     Finished `dev` profile [unoptimized + debuginfo] target(s) in 1.41s
[INFO] running `Command { std: "docker" "inspect" "5081743f16ff7f9824e0396edd980473e642bdad967a95c7c591b95f0d6ef3eb", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "5081743f16ff7f9824e0396edd980473e642bdad967a95c7c591b95f0d6ef3eb", kill_on_drop: false }`
[INFO] [stdout] 5081743f16ff7f9824e0396edd980473e642bdad967a95c7c591b95f0d6ef3eb