[INFO] fetching crate roma 0.1.0...
[INFO] checking roma-0.1.0 against master#1f12b9b0fdbe735968ac002792a720f0ba4faca6 for crater-rollup-uwu
[INFO] extracting crate roma 0.1.0 into /workspace/builds/worker-2-tc1/source
[INFO] validating manifest of crates.io crate roma 0.1.0 on toolchain 1f12b9b0fdbe735968ac002792a720f0ba4faca6
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+1f12b9b0fdbe735968ac002792a720f0ba4faca6" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }`
[INFO] started tweaking crates.io crate roma 0.1.0
[INFO] finished tweaking crates.io crate roma 0.1.0
[INFO] tweaked toml for crates.io crate roma 0.1.0 written to /workspace/builds/worker-2-tc1/source/Cargo.toml
[INFO] crate crates.io crate roma 0.1.0 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" "+1f12b9b0fdbe735968ac002792a720f0ba4faca6" "fetch" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-2-tc1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-2-tc1/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@sha256:923055f121b5182466d55868a8b05e67af8ba4a3a3f6bad814e953ca3cd3ac2a" "/opt/rustwide/cargo-home/bin/cargo" "+1f12b9b0fdbe735968ac002792a720f0ba4faca6" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] 2a72e95983246ab3ac270515187f4efe95c04fa4e3bd3022de62050c360192db
[INFO] running `Command { std: "docker" "start" "-a" "2a72e95983246ab3ac270515187f4efe95c04fa4e3bd3022de62050c360192db", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "2a72e95983246ab3ac270515187f4efe95c04fa4e3bd3022de62050c360192db", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "2a72e95983246ab3ac270515187f4efe95c04fa4e3bd3022de62050c360192db", kill_on_drop: false }`
[INFO] [stdout] 2a72e95983246ab3ac270515187f4efe95c04fa4e3bd3022de62050c360192db
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-2-tc1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-2-tc1/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@sha256:923055f121b5182466d55868a8b05e67af8ba4a3a3f6bad814e953ca3cd3ac2a" "/opt/rustwide/cargo-home/bin/cargo" "+1f12b9b0fdbe735968ac002792a720f0ba4faca6" "check" "--frozen" "--all" "--all-targets" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] f4a1578f38a8a844d7fb5a93f89ae29aa0ba7b2190019ca94210c7b7f003af2e
[INFO] running `Command { std: "docker" "start" "-a" "f4a1578f38a8a844d7fb5a93f89ae29aa0ba7b2190019ca94210c7b7f003af2e", kill_on_drop: false }`
[INFO] [stderr]    Compiling byteorder v1.3.4
[INFO] [stderr]    Compiling memchr v2.3.3
[INFO] [stderr]     Checking regex-automata v0.1.9
[INFO] [stderr]     Checking bstr v0.2.12
[INFO] [stderr]     Checking roma v0.1.0 (/opt/rustwide/workdir)
[INFO] [stdout] warning: unused import: `B`
[INFO] [stdout]  --> src/lib.rs:3:38
[INFO] [stdout]   |
[INFO] [stdout] 3 | use bstr::{BStr, BString, ByteSlice, B};
[INFO] [stdout]   |                                      ^
[INFO] [stdout]   |
[INFO] [stdout]   = note: `#[warn(unused_imports)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused import: `B`
[INFO] [stdout]  --> src/lib.rs:3:38
[INFO] [stdout]   |
[INFO] [stdout] 3 | use bstr::{BStr, BString, ByteSlice, B};
[INFO] [stdout]   |                                      ^
[INFO] [stdout]   |
[INFO] [stdout]   = note: `#[warn(unused_imports)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `path`
[INFO] [stdout]    --> src/lib.rs:280:38
[INFO] [stdout]     |
[INFO] [stdout] 280 |             Self::UnmatchedBrace(ref path) => write!(f, ""),
[INFO] [stdout]     |                                      ^^^^ help: if this is intentional, prefix it with an underscore: `_path`
[INFO] [stdout]     |
[INFO] [stdout]     = note: `#[warn(unused_variables)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `path`
[INFO] [stdout]    --> src/lib.rs:280:38
[INFO] [stdout]     |
[INFO] [stdout] 280 |             Self::UnmatchedBrace(ref path) => write!(f, ""),
[INFO] [stdout]     |                                      ^^^^ help: if this is intentional, prefix it with an underscore: `_path`
[INFO] [stdout]     |
[INFO] [stdout]     = note: `#[warn(unused_variables)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: variable does not need to be mutable
[INFO] [stdout]    --> src/lib.rs:298:13
[INFO] [stdout]     |
[INFO] [stdout] 298 |         let mut full = path;
[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/lib.rs:300:13
[INFO] [stdout]     |
[INFO] [stdout] 300 |         let mut node = match self.inner.as_mut() {
[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/lib.rs:317:25
[INFO] [stdout]     |
[INFO] [stdout] 317 |                     let mut prefix = &path[..bs];
[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/lib.rs:298:13
[INFO] [stdout]     |
[INFO] [stdout] 298 |         let mut full = path;
[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/lib.rs:300:13
[INFO] [stdout]     |
[INFO] [stdout] 300 |         let mut node = match self.inner.as_mut() {
[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/lib.rs:317:25
[INFO] [stdout]     |
[INFO] [stdout] 317 |                     let mut prefix = &path[..bs];
[INFO] [stdout]     |                         ----^^^^^^
[INFO] [stdout]     |                         |
[INFO] [stdout]     |                         help: remove this `mut`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: enum `Node` is never used
[INFO] [stdout]    --> src/lib.rs:151:6
[INFO] [stdout]     |
[INFO] [stdout] 151 | enum Node<T> {
[INFO] [stdout]     |      ^^^^
[INFO] [stdout]     |
[INFO] [stdout]     = note: `#[warn(dead_code)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: enum `Node` is never used
[INFO] [stdout]    --> src/lib.rs:151:6
[INFO] [stdout]     |
[INFO] [stdout] 151 | enum Node<T> {
[INFO] [stdout]     |      ^^^^
[INFO] [stdout]     |
[INFO] [stdout]     = note: `#[warn(dead_code)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: 6 warnings emitted
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: 6 warnings emitted
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: variable does not need to be mutable
[INFO] [stdout]  --> examples/simple.rs:4:9
[INFO] [stdout]   |
[INFO] [stdout] 4 |     let mut tree = Router::builder()
[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: 1 warning emitted
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr]     Finished `dev` profile [unoptimized + debuginfo] target(s) in 0.94s
[INFO] running `Command { std: "docker" "inspect" "f4a1578f38a8a844d7fb5a93f89ae29aa0ba7b2190019ca94210c7b7f003af2e", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "f4a1578f38a8a844d7fb5a93f89ae29aa0ba7b2190019ca94210c7b7f003af2e", kill_on_drop: false }`
[INFO] [stdout] f4a1578f38a8a844d7fb5a93f89ae29aa0ba7b2190019ca94210c7b7f003af2e