[INFO] fetching crate roma 0.1.0...
[INFO] building roma-0.1.0 against try#4987e9d4227139400384ab59296ffee3b0fb1183 for pr-146237-2
[INFO] extracting crate roma 0.1.0 into /workspace/builds/worker-1-tc2/source
[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-1-tc2/source/Cargo.toml
[INFO] validating manifest of crates.io crate roma 0.1.0 on toolchain 4987e9d4227139400384ab59296ffee3b0fb1183
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+4987e9d4227139400384ab59296ffee3b0fb1183" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }`
[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" "+4987e9d4227139400384ab59296ffee3b0fb1183" "fetch" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-1-tc2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-1-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:e90291280db7d1fac5b66fc6dad9f9662629e7365a55743daf9bdf73ebc4ea79" "/opt/rustwide/cargo-home/bin/cargo" "+4987e9d4227139400384ab59296ffee3b0fb1183" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] b53643a455fd7204b0482beea2b112db442a2f455ecfa0feac27e70fca95353d
[INFO] running `Command { std: "docker" "start" "-a" "b53643a455fd7204b0482beea2b112db442a2f455ecfa0feac27e70fca95353d", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "b53643a455fd7204b0482beea2b112db442a2f455ecfa0feac27e70fca95353d", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "b53643a455fd7204b0482beea2b112db442a2f455ecfa0feac27e70fca95353d", kill_on_drop: false }`
[INFO] [stdout] b53643a455fd7204b0482beea2b112db442a2f455ecfa0feac27e70fca95353d
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-1-tc2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-1-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:e90291280db7d1fac5b66fc6dad9f9662629e7365a55743daf9bdf73ebc4ea79" "/opt/rustwide/cargo-home/bin/cargo" "+4987e9d4227139400384ab59296ffee3b0fb1183" "build" "--frozen" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] a2fa69104e57220acddc0111db87ed95690da4d90dc884eeb70a1c93b07bca7c
[INFO] running `Command { std: "docker" "start" "-a" "a2fa69104e57220acddc0111db87ed95690da4d90dc884eeb70a1c93b07bca7c", kill_on_drop: false }`
[INFO] [stderr]    Compiling byteorder v1.3.4
[INFO] [stderr]    Compiling memchr v2.3.3
[INFO] [stderr]    Compiling regex-automata v0.1.9
[INFO] [stderr]    Compiling bstr v0.2.12
[INFO] [stderr]    Compiling 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)]` (part of `#[warn(unused)]`) 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)]` (part of `#[warn(unused)]`) 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)]` (part of `#[warn(unused)]`) 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)]` (part of `#[warn(unused)]`) on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: hiding a lifetime that's elided elsewhere is confusing
[INFO] [stdout]   --> src/lib.rs:81:12
[INFO] [stdout]    |
[INFO] [stdout] 81 |     fn get(&self, key: &[u8]) -> Option<NodeRef<T>> {
[INFO] [stdout]    |            ^^^^^                        ^^^^^^^^^^ the same lifetime is hidden here
[INFO] [stdout]    |            |
[INFO] [stdout]    |            the lifetime is elided here
[INFO] [stdout]    |
[INFO] [stdout]    = help: the same lifetime is referred to in inconsistent ways, making the signature confusing
[INFO] [stdout]    = note: `#[warn(mismatched_lifetime_syntaxes)]` on by default
[INFO] [stdout] help: use `'_` for type paths
[INFO] [stdout]    |
[INFO] [stdout] 81 |     fn get(&self, key: &[u8]) -> Option<NodeRef<'_, T>> {
[INFO] [stdout]    |                                                 +++
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr]     Finished `dev` profile [unoptimized + debuginfo] target(s) in 2.09s
[INFO] running `Command { std: "docker" "inspect" "a2fa69104e57220acddc0111db87ed95690da4d90dc884eeb70a1c93b07bca7c", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "a2fa69104e57220acddc0111db87ed95690da4d90dc884eeb70a1c93b07bca7c", kill_on_drop: false }`
[INFO] [stdout] a2fa69104e57220acddc0111db87ed95690da4d90dc884eeb70a1c93b07bca7c
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-1-tc2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-1-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:e90291280db7d1fac5b66fc6dad9f9662629e7365a55743daf9bdf73ebc4ea79" "/opt/rustwide/cargo-home/bin/cargo" "+4987e9d4227139400384ab59296ffee3b0fb1183" "test" "--frozen" "--no-run" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] 676d26498bcb909dc5c554e0b12ae2f3183732224f9f233e995bfe6d830577c2
[INFO] running `Command { std: "docker" "start" "-a" "676d26498bcb909dc5c554e0b12ae2f3183732224f9f233e995bfe6d830577c2", kill_on_drop: false }`
[INFO] [stderr]    Compiling 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)]` (part of `#[warn(unused)]`) 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)]` (part of `#[warn(unused)]`) 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)]` (part of `#[warn(unused)]`) 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)]` (part of `#[warn(unused)]`) on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: hiding a lifetime that's elided elsewhere is confusing
[INFO] [stdout]   --> src/lib.rs:81:12
[INFO] [stdout]    |
[INFO] [stdout] 81 |     fn get(&self, key: &[u8]) -> Option<NodeRef<T>> {
[INFO] [stdout]    |            ^^^^^                        ^^^^^^^^^^ the same lifetime is hidden here
[INFO] [stdout]    |            |
[INFO] [stdout]    |            the lifetime is elided here
[INFO] [stdout]    |
[INFO] [stdout]    = help: the same lifetime is referred to in inconsistent ways, making the signature confusing
[INFO] [stdout]    = note: `#[warn(mismatched_lifetime_syntaxes)]` on by default
[INFO] [stdout] help: use `'_` for type paths
[INFO] [stdout]    |
[INFO] [stdout] 81 |     fn get(&self, key: &[u8]) -> Option<NodeRef<'_, T>> {
[INFO] [stdout]    |                                                 +++
[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)]` (part of `#[warn(unused)]`) on by default
[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)]` (part of `#[warn(unused)]`) 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)]` (part of `#[warn(unused)]`) 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)]` (part of `#[warn(unused)]`) 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)]` (part of `#[warn(unused)]`) on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: hiding a lifetime that's elided elsewhere is confusing
[INFO] [stdout]   --> src/lib.rs:81:12
[INFO] [stdout]    |
[INFO] [stdout] 81 |     fn get(&self, key: &[u8]) -> Option<NodeRef<T>> {
[INFO] [stdout]    |            ^^^^^                        ^^^^^^^^^^ the same lifetime is hidden here
[INFO] [stdout]    |            |
[INFO] [stdout]    |            the lifetime is elided here
[INFO] [stdout]    |
[INFO] [stdout]    = help: the same lifetime is referred to in inconsistent ways, making the signature confusing
[INFO] [stdout]    = note: `#[warn(mismatched_lifetime_syntaxes)]` on by default
[INFO] [stdout] help: use `'_` for type paths
[INFO] [stdout]    |
[INFO] [stdout] 81 |     fn get(&self, key: &[u8]) -> Option<NodeRef<'_, T>> {
[INFO] [stdout]    |                                                 +++
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr]     Finished `test` profile [unoptimized + debuginfo] target(s) in 0.59s
[INFO] running `Command { std: "docker" "inspect" "676d26498bcb909dc5c554e0b12ae2f3183732224f9f233e995bfe6d830577c2", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "676d26498bcb909dc5c554e0b12ae2f3183732224f9f233e995bfe6d830577c2", kill_on_drop: false }`
[INFO] [stdout] 676d26498bcb909dc5c554e0b12ae2f3183732224f9f233e995bfe6d830577c2
