[INFO] fetching crate http-protocol 0.2.14...
[INFO] checking http-protocol-0.2.14 against try#ddfd70ee3c3748e597b32f416b0d15a4f6e37685 for pr-87050
[INFO] extracting crate http-protocol 0.2.14 into /workspace/builds/worker-8/source
[INFO] validating manifest of crates.io crate http-protocol 0.2.14 on toolchain ddfd70ee3c3748e597b32f416b0d15a4f6e37685
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+ddfd70ee3c3748e597b32f416b0d15a4f6e37685" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }`
[INFO] started tweaking crates.io crate http-protocol 0.2.14
[INFO] finished tweaking crates.io crate http-protocol 0.2.14
[INFO] tweaked toml for crates.io crate http-protocol 0.2.14 written to /workspace/builds/worker-8/source/Cargo.toml
[INFO] crate crates.io crate http-protocol 0.2.14 already has a lockfile, it will not be regenerated
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+ddfd70ee3c3748e597b32f416b0d15a4f6e37685" "fetch" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-8/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-8/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@sha256:34b6a614d2c27851fe6cbf88fbd1137609cefab8b10d0615aaeb6fd47975d74e" "/opt/rustwide/cargo-home/bin/cargo" "+ddfd70ee3c3748e597b32f416b0d15a4f6e37685" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] 3c144b255fa4e461eaa546e1cd69a982021c513598b2886a769e4e99f815f96a
[INFO] running `Command { std: "docker" "start" "-a" "3c144b255fa4e461eaa546e1cd69a982021c513598b2886a769e4e99f815f96a", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "3c144b255fa4e461eaa546e1cd69a982021c513598b2886a769e4e99f815f96a", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "3c144b255fa4e461eaa546e1cd69a982021c513598b2886a769e4e99f815f96a", kill_on_drop: false }`
[INFO] [stdout] 3c144b255fa4e461eaa546e1cd69a982021c513598b2886a769e4e99f815f96a
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-8/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-8/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" "ghcr.io/rust-lang/crates-build-env/linux@sha256:34b6a614d2c27851fe6cbf88fbd1137609cefab8b10d0615aaeb6fd47975d74e" "/opt/rustwide/cargo-home/bin/cargo" "+ddfd70ee3c3748e597b32f416b0d15a4f6e37685" "check" "--frozen" "--all" "--all-targets" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] fdbf115fb92bd9df1116f5a6808d4d78f11d8db19e8b786b487ad9daa4164923
[INFO] running `Command { std: "docker" "start" "-a" "fdbf115fb92bd9df1116f5a6808d4d78f11d8db19e8b786b487ad9daa4164923", kill_on_drop: false }`
[INFO] [stderr]     Checking lazy_static v1.4.0
[INFO] [stderr]     Checking bytes v1.0.1
[INFO] [stderr]     Checking http-protocol v0.2.14 (/opt/rustwide/workdir)
[INFO] [stdout] warning: unused import: `HttpVersion`
[INFO] [stdout]  --> src/parse/mod.rs:6:13
[INFO] [stdout]   |
[INFO] [stdout] 6 | use crate::{HttpVersion, Method, RequestUri, Headers};
[INFO] [stdout]   |             ^^^^^^^^^^^
[INFO] [stdout]   |
[INFO] [stdout]   = note: `#[warn(unused_imports)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: value assigned to `e_idx` is never read
[INFO] [stdout]    --> src/parse/mod.rs:104:13
[INFO] [stdout]     |
[INFO] [stdout] 104 |     let mut e_idx = *index;
[INFO] [stdout]     |             ^^^^^
[INFO] [stdout]     |
[INFO] [stdout]     = note: `#[warn(unused_assignments)]` on by default
[INFO] [stdout]     = help: maybe it is overwritten before being read?
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: value assigned to `e_idx` is never read
[INFO] [stdout]    --> src/parse/mod.rs:112:17
[INFO] [stdout]     |
[INFO] [stdout] 112 |                 e_idx = i + 1;
[INFO] [stdout]     |                 ^^^^^
[INFO] [stdout]     |
[INFO] [stdout]     = help: maybe it is overwritten before being read?
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `stop_position`
[INFO] [stdout]   --> src/parse/mod.rs:97:5
[INFO] [stdout]    |
[INFO] [stdout] 97 |     stop_position: &mut ParsePosition,
[INFO] [stdout]    |     ^^^^^^^^^^^^^ help: if this is intentional, prefix it with an underscore: `_stop_position`
[INFO] [stdout]    |
[INFO] [stdout]    = note: `#[warn(unused_variables)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: value assigned to `request_part` is never read
[INFO] [stdout]    --> src/parse/mod.rs:168:9
[INFO] [stdout]     |
[INFO] [stdout] 168 |         request_part = request_part + parse_headers(stop_position, vec, &mut idx)?;
[INFO] [stdout]     |         ^^^^^^^^^^^^
[INFO] [stdout]     |
[INFO] [stdout]     = help: maybe it is overwritten before being read?
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: value assigned to `idx` is never read
[INFO] [stdout]    --> src/parse/mod.rs:172:5
[INFO] [stdout]     |
[INFO] [stdout] 172 |     idx = 0;
[INFO] [stdout]     |     ^^^
[INFO] [stdout]     |
[INFO] [stdout]     = help: maybe it is overwritten before being read?
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: value assigned to `e_idx` is never read
[INFO] [stdout]    --> src/parse/mod.rs:104:13
[INFO] [stdout]     |
[INFO] [stdout] 104 |     let mut e_idx = *index;
[INFO] [stdout]     |             ^^^^^
[INFO] [stdout]     |
[INFO] [stdout]     = note: `#[warn(unused_assignments)]` on by default
[INFO] [stdout]     = help: maybe it is overwritten before being read?
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: value assigned to `e_idx` is never read
[INFO] [stdout]    --> src/parse/mod.rs:112:17
[INFO] [stdout]     |
[INFO] [stdout] 112 |                 e_idx = i + 1;
[INFO] [stdout]     |                 ^^^^^
[INFO] [stdout]     |
[INFO] [stdout]     = help: maybe it is overwritten before being read?
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `stop_position`
[INFO] [stdout]   --> src/parse/mod.rs:97:5
[INFO] [stdout]    |
[INFO] [stdout] 97 |     stop_position: &mut ParsePosition,
[INFO] [stdout]    |     ^^^^^^^^^^^^^ help: if this is intentional, prefix it with an underscore: `_stop_position`
[INFO] [stdout]    |
[INFO] [stdout]    = note: `#[warn(unused_variables)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: value assigned to `request_part` is never read
[INFO] [stdout]    --> src/parse/mod.rs:168:9
[INFO] [stdout]     |
[INFO] [stdout] 168 |         request_part = request_part + parse_headers(stop_position, vec, &mut idx)?;
[INFO] [stdout]     |         ^^^^^^^^^^^^
[INFO] [stdout]     |
[INFO] [stdout]     = help: maybe it is overwritten before being read?
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: value assigned to `idx` is never read
[INFO] [stdout]    --> src/parse/mod.rs:172:5
[INFO] [stdout]     |
[INFO] [stdout] 172 |     idx = 0;
[INFO] [stdout]     |     ^^^
[INFO] [stdout]     |
[INFO] [stdout]     = help: maybe it is overwritten before being read?
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: variable does not need to be mutable
[INFO] [stdout]    --> src/parse/mod.rs:155:9
[INFO] [stdout]     |
[INFO] [stdout] 155 |     let mut method = None;
[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: variable does not need to be mutable
[INFO] [stdout]    --> src/parse/mod.rs:156:9
[INFO] [stdout]     |
[INFO] [stdout] 156 |     let mut request_uri = None;
[INFO] [stdout]     |         ----^^^^^^^^^^^
[INFO] [stdout]     |         |
[INFO] [stdout]     |         help: remove this `mut`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: variable does not need to be mutable
[INFO] [stdout]    --> src/parse/mod.rs:157:9
[INFO] [stdout]     |
[INFO] [stdout] 157 |     let mut http_version = None;
[INFO] [stdout]     |         ----^^^^^^^^^^^^
[INFO] [stdout]     |         |
[INFO] [stdout]     |         help: remove this `mut`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: variable does not need to be mutable
[INFO] [stdout]    --> src/parse/mod.rs:158:9
[INFO] [stdout]     |
[INFO] [stdout] 158 |     let mut headers = None;
[INFO] [stdout]     |         ----^^^^^^^
[INFO] [stdout]     |         |
[INFO] [stdout]     |         help: remove this `mut`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: variable does not need to be mutable
[INFO] [stdout]    --> src/parse/mod.rs:159:9
[INFO] [stdout]     |
[INFO] [stdout] 159 |     let mut body = None;
[INFO] [stdout]     |         ----^^^^
[INFO] [stdout]     |         |
[INFO] [stdout]     |         help: remove this `mut`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused borrow that must be used
[INFO] [stdout]   --> src/method/mod.rs:56:5
[INFO] [stdout]    |
[INFO] [stdout] 56 |     &buf[0..v.len()].copy_from_slice(v);
[INFO] [stdout]    |     ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout]    |
[INFO] [stdout]    = note: `#[warn(unused_must_use)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: variable does not need to be mutable
[INFO] [stdout]    --> src/parse/mod.rs:155:9
[INFO] [stdout]     |
[INFO] [stdout] 155 |     let mut method = None;
[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: variable does not need to be mutable
[INFO] [stdout]    --> src/parse/mod.rs:156:9
[INFO] [stdout]     |
[INFO] [stdout] 156 |     let mut request_uri = None;
[INFO] [stdout]     |         ----^^^^^^^^^^^
[INFO] [stdout]     |         |
[INFO] [stdout]     |         help: remove this `mut`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: variable does not need to be mutable
[INFO] [stdout]    --> src/parse/mod.rs:157:9
[INFO] [stdout]     |
[INFO] [stdout] 157 |     let mut http_version = None;
[INFO] [stdout]     |         ----^^^^^^^^^^^^
[INFO] [stdout]     |         |
[INFO] [stdout]     |         help: remove this `mut`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: variable does not need to be mutable
[INFO] [stdout]    --> src/parse/mod.rs:158:9
[INFO] [stdout]     |
[INFO] [stdout] 158 |     let mut headers = None;
[INFO] [stdout]     |         ----^^^^^^^
[INFO] [stdout]     |         |
[INFO] [stdout]     |         help: remove this `mut`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: variable does not need to be mutable
[INFO] [stdout]    --> src/parse/mod.rs:159:9
[INFO] [stdout]     |
[INFO] [stdout] 159 |     let mut body = None;
[INFO] [stdout]     |         ----^^^^
[INFO] [stdout]     |         |
[INFO] [stdout]     |         help: remove this `mut`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: 12 warnings emitted
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused borrow that must be used
[INFO] [stdout]   --> src/method/mod.rs:56:5
[INFO] [stdout]    |
[INFO] [stdout] 56 |     &buf[0..v.len()].copy_from_slice(v);
[INFO] [stdout]    |     ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout]    |
[INFO] [stdout]    = note: `#[warn(unused_must_use)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 1.02s
[INFO] [stdout] warning: 11 warnings emitted
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] running `Command { std: "docker" "inspect" "fdbf115fb92bd9df1116f5a6808d4d78f11d8db19e8b786b487ad9daa4164923", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "fdbf115fb92bd9df1116f5a6808d4d78f11d8db19e8b786b487ad9daa4164923", kill_on_drop: false }`
[INFO] [stdout] fdbf115fb92bd9df1116f5a6808d4d78f11d8db19e8b786b487ad9daa4164923