[INFO] fetching crate pcb 0.2.0...
[INFO] checking pcb-0.2.0 against try#998b6603a58e47f42ccce7a67943234e96b6839e for pr-143170
[INFO] extracting crate pcb 0.2.0 into /workspace/builds/worker-5-tc2/source
[INFO] started tweaking crates.io crate pcb 0.2.0
[INFO] finished tweaking crates.io crate pcb 0.2.0
[INFO] tweaked toml for crates.io crate pcb 0.2.0 written to /workspace/builds/worker-5-tc2/source/Cargo.toml
[INFO] validating manifest of crates.io crate pcb 0.2.0 on toolchain 998b6603a58e47f42ccce7a67943234e96b6839e
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+998b6603a58e47f42ccce7a67943234e96b6839e" "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" "+998b6603a58e47f42ccce7a67943234e96b6839e" "generate-lockfile" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] [stderr]     Updating crates.io index
[INFO] [stderr]      Locking 2 packages to latest compatible versions
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+998b6603a58e47f42ccce7a67943234e96b6839e" "fetch" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] [stderr] warning: no edition set: defaulting to the 2015 edition while the latest is 2024
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-5-tc2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-5-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@sha256:90999bfc7ae267e83380e433d8e61a7c072ca6729e92edbae886d3423b3a6f4c" "/opt/rustwide/cargo-home/bin/cargo" "+998b6603a58e47f42ccce7a67943234e96b6839e" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] f220a9c1531f957e7b7b323c941aa62ffaa8a30eaa1c37eb653af84f4576c190
[INFO] running `Command { std: "docker" "start" "-a" "f220a9c1531f957e7b7b323c941aa62ffaa8a30eaa1c37eb653af84f4576c190", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "f220a9c1531f957e7b7b323c941aa62ffaa8a30eaa1c37eb653af84f4576c190", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "f220a9c1531f957e7b7b323c941aa62ffaa8a30eaa1c37eb653af84f4576c190", kill_on_drop: false }`
[INFO] [stdout] f220a9c1531f957e7b7b323c941aa62ffaa8a30eaa1c37eb653af84f4576c190
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-5-tc2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-5-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@sha256:90999bfc7ae267e83380e433d8e61a7c072ca6729e92edbae886d3423b3a6f4c" "/opt/rustwide/cargo-home/bin/cargo" "+998b6603a58e47f42ccce7a67943234e96b6839e" "check" "--frozen" "--all" "--all-targets" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] 0afd5db03977896e6a3567465a324dac169b0a0460ac36e6f0426b6906739410
[INFO] running `Command { std: "docker" "start" "-a" "0afd5db03977896e6a3567465a324dac169b0a0460ac36e6f0426b6906739410", kill_on_drop: false }`
[INFO] [stderr] warning: no edition set: defaulting to the 2015 edition while the latest is 2024
[INFO] [stderr]     Checking typed-arena v1.7.0
[INFO] [stderr]     Checking pcb-core v0.2.0
[INFO] [stderr]     Checking pcb v0.2.0 (/opt/rustwide/workdir)
[INFO] [stdout] warning: method `inner_ref` is never used
[INFO] [stdout]    --> src/lib.rs:175:6
[INFO] [stdout]     |
[INFO] [stdout] 172 | trait TyExt {
[INFO] [stdout]     |       ----- method in this trait
[INFO] [stdout] ...
[INFO] [stdout] 175 |   fn inner_ref(&self) -> &Self::Output;
[INFO] [stdout]     |      ^^^^^^^^^
[INFO] [stdout]     |
[INFO] [stdout]     = note: `#[warn(dead_code)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: lifetime flowing from input to output with different syntax can be confusing
[INFO] [stdout]    --> src/lib.rs:185:22
[INFO] [stdout]     |
[INFO] [stdout] 185 |     pub fn int(ctxt: &Ctxt, size: u32) -> Type {
[INFO] [stdout]     |                      ^^^^^                ---- the lifetime gets resolved as `'_`
[INFO] [stdout]     |                      |
[INFO] [stdout]     |                      this lifetime flows to the output
[INFO] [stdout]     |
[INFO] [stdout]     = note: `#[warn(mismatched_lifetime_syntaxes)]` on by default
[INFO] [stdout] help: one option is to remove the lifetime for references and use the anonymous lifetime for paths
[INFO] [stdout]     |
[INFO] [stdout] 185 |     pub fn int(ctxt: &Ctxt, size: u32) -> Type<'_> {
[INFO] [stdout]     |                                               ++++
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: method `inner_ref` is never used
[INFO] [stdout]    --> src/lib.rs:175:6
[INFO] [stdout]     |
[INFO] [stdout] 172 | trait TyExt {
[INFO] [stdout]     |       ----- method in this trait
[INFO] [stdout] ...
[INFO] [stdout] 175 |   fn inner_ref(&self) -> &Self::Output;
[INFO] [stdout]     |      ^^^^^^^^^
[INFO] [stdout]     |
[INFO] [stdout]     = note: `#[warn(dead_code)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: lifetime flowing from input to output with different syntax can be confusing
[INFO] [stdout]    --> src/lib.rs:185:22
[INFO] [stdout]     |
[INFO] [stdout] 185 |     pub fn int(ctxt: &Ctxt, size: u32) -> Type {
[INFO] [stdout]     |                      ^^^^^                ---- the lifetime gets resolved as `'_`
[INFO] [stdout]     |                      |
[INFO] [stdout]     |                      this lifetime flows to the output
[INFO] [stdout]     |
[INFO] [stdout]     = note: `#[warn(mismatched_lifetime_syntaxes)]` on by default
[INFO] [stdout] help: one option is to remove the lifetime for references and use the anonymous lifetime for paths
[INFO] [stdout]     |
[INFO] [stdout] 185 |     pub fn int(ctxt: &Ctxt, size: u32) -> Type<'_> {
[INFO] [stdout]     |                                               ++++
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr]     Finished `dev` profile [unoptimized + debuginfo] target(s) in 0.69s
[INFO] running `Command { std: "docker" "inspect" "0afd5db03977896e6a3567465a324dac169b0a0460ac36e6f0426b6906739410", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "0afd5db03977896e6a3567465a324dac169b0a0460ac36e6f0426b6906739410", kill_on_drop: false }`
[INFO] [stdout] 0afd5db03977896e6a3567465a324dac169b0a0460ac36e6f0426b6906739410