[INFO] fetching crate pcb 0.2.0...
[INFO] testing pcb-0.2.0 against beta-2026-04-21 for beta-1.96-2
[INFO] extracting crate pcb 0.2.0 into /workspace/builds/worker-4-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-4-tc2/source/Cargo.toml
[INFO] validating manifest of crates.io crate pcb 0.2.0 on toolchain beta-2026-04-21
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+beta-2026-04-21" "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" "+beta-2026-04-21" "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" "+beta-2026-04-21" "fetch" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] [stderr] warning: `package.edition` is unspecified, defaulting to `2015` while the latest is `2024`
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-4-tc2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-4-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:d429b63d4308055ea97f60fb1d3dfca48854a00942f1bd2ad806beaf015945ec" "/opt/rustwide/cargo-home/bin/cargo" "+beta-2026-04-21" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] 97c7dbbc0c5c3f56ecc84776427da38f1bf054700179fe46015c5be27106b308
[INFO] running `Command { std: "docker" "start" "-a" "97c7dbbc0c5c3f56ecc84776427da38f1bf054700179fe46015c5be27106b308", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "97c7dbbc0c5c3f56ecc84776427da38f1bf054700179fe46015c5be27106b308", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "97c7dbbc0c5c3f56ecc84776427da38f1bf054700179fe46015c5be27106b308", kill_on_drop: false }`
[INFO] [stdout] 97c7dbbc0c5c3f56ecc84776427da38f1bf054700179fe46015c5be27106b308
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-4-tc2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-4-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=warn" "-e" "RUSTDOCFLAGS=--cap-lints=warn" "-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:d429b63d4308055ea97f60fb1d3dfca48854a00942f1bd2ad806beaf015945ec" "/opt/rustwide/cargo-home/bin/cargo" "+beta-2026-04-21" "build" "--frozen" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] efd5f16bf5ce0c582b6fc53e6bd0f20df91a178f0114e9166f600bcefb31a453
[INFO] running `Command { std: "docker" "start" "-a" "efd5f16bf5ce0c582b6fc53e6bd0f20df91a178f0114e9166f600bcefb31a453", kill_on_drop: false }`
[INFO] [stderr] warning: `package.edition` is unspecified, defaulting to `2015` while the latest is `2024`
[INFO] [stderr]    Compiling typed-arena v1.7.0
[INFO] [stderr]    Compiling pcb-core v0.2.0
[INFO] [stderr]    Compiling 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)]` (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:185:22
[INFO] [stdout]     |
[INFO] [stdout] 185 |     pub fn int(ctxt: &Ctxt, size: u32) -> Type {
[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] 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 0.80s
[INFO] running `Command { std: "docker" "inspect" "efd5f16bf5ce0c582b6fc53e6bd0f20df91a178f0114e9166f600bcefb31a453", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "efd5f16bf5ce0c582b6fc53e6bd0f20df91a178f0114e9166f600bcefb31a453", kill_on_drop: false }`
[INFO] [stdout] efd5f16bf5ce0c582b6fc53e6bd0f20df91a178f0114e9166f600bcefb31a453
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-4-tc2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-4-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=warn" "-e" "RUSTDOCFLAGS=--cap-lints=warn" "-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:d429b63d4308055ea97f60fb1d3dfca48854a00942f1bd2ad806beaf015945ec" "/opt/rustwide/cargo-home/bin/cargo" "+beta-2026-04-21" "test" "--frozen" "--no-run" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] 1fdee050b3be57f258ab28451ace0d3fbfbd4f8430ae1c62d4cac4d3caba4f07
[INFO] running `Command { std: "docker" "start" "-a" "1fdee050b3be57f258ab28451ace0d3fbfbd4f8430ae1c62d4cac4d3caba4f07", kill_on_drop: false }`
[INFO] [stderr] warning: `package.edition` is unspecified, defaulting to `2015` while the latest is `2024`
[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)]` (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:185:22
[INFO] [stdout]     |
[INFO] [stdout] 185 |     pub fn int(ctxt: &Ctxt, size: u32) -> Type {
[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] 185 |     pub fn int(ctxt: &Ctxt, size: u32) -> Type<'_> {
[INFO] [stdout]     |                                               ++++
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr]    Compiling 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)]` (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:185:22
[INFO] [stdout]     |
[INFO] [stdout] 185 |     pub fn int(ctxt: &Ctxt, size: u32) -> Type {
[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] 185 |     pub fn int(ctxt: &Ctxt, size: u32) -> Type<'_> {
[INFO] [stdout]     |                                               ++++
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr]     Finished `test` profile [unoptimized + debuginfo] target(s) in 0.36s
[INFO] running `Command { std: "docker" "inspect" "1fdee050b3be57f258ab28451ace0d3fbfbd4f8430ae1c62d4cac4d3caba4f07", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "1fdee050b3be57f258ab28451ace0d3fbfbd4f8430ae1c62d4cac4d3caba4f07", kill_on_drop: false }`
[INFO] [stdout] 1fdee050b3be57f258ab28451ace0d3fbfbd4f8430ae1c62d4cac4d3caba4f07
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-4-tc2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-4-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=warn" "-e" "RUSTDOCFLAGS=--cap-lints=warn" "-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:d429b63d4308055ea97f60fb1d3dfca48854a00942f1bd2ad806beaf015945ec" "/opt/rustwide/cargo-home/bin/cargo" "+beta-2026-04-21" "test" "--frozen", kill_on_drop: false }`
[INFO] [stdout] 0f364ea10bc9e0e811521a0650c4409b7d7126832bf9e1fabb0869ecf81dc412
[INFO] running `Command { std: "docker" "start" "-a" "0f364ea10bc9e0e811521a0650c4409b7d7126832bf9e1fabb0869ecf81dc412", kill_on_drop: false }`
[INFO] [stderr] warning: `package.edition` is unspecified, defaulting to `2015` while the latest is `2024`
[INFO] [stderr] warning: method `inner_ref` is never used
[INFO] [stderr]    --> src/lib.rs:175:6
[INFO] [stderr]     |
[INFO] [stderr] 172 | trait TyExt {
[INFO] [stderr]     |       ----- method in this trait
[INFO] [stderr] ...
[INFO] [stderr] 175 |   fn inner_ref(&self) -> &Self::Output;
[INFO] [stderr]     |      ^^^^^^^^^
[INFO] [stderr]     |
[INFO] [stderr]     = note: `#[warn(dead_code)]` (part of `#[warn(unused)]`) on by default
[INFO] [stderr] 
[INFO] [stderr] warning: hiding a lifetime that's elided elsewhere is confusing
[INFO] [stderr]    --> src/lib.rs:185:22
[INFO] [stderr]     |
[INFO] [stderr] 185 |     pub fn int(ctxt: &Ctxt, size: u32) -> Type {
[INFO] [stderr]     |                      ^^^^^                ^^^^ the same lifetime is hidden here
[INFO] [stderr]     |                      |
[INFO] [stderr]     |                      the lifetime is elided here
[INFO] [stderr]     |
[INFO] [stderr]     = help: the same lifetime is referred to in inconsistent ways, making the signature confusing
[INFO] [stderr]     = note: `#[warn(mismatched_lifetime_syntaxes)]` on by default
[INFO] [stderr] help: use `'_` for type paths
[INFO] [stderr]     |
[INFO] [stderr] 185 |     pub fn int(ctxt: &Ctxt, size: u32) -> Type<'_> {
[INFO] [stderr]     |                                               ++++
[INFO] [stderr] 
[INFO] [stderr] warning: `pcb` (lib) generated 2 warnings (run `cargo fix --lib -p pcb` to apply 1 suggestion)
[INFO] [stderr] warning: `pcb` (lib test) generated 2 warnings (2 duplicates)
[INFO] [stderr]     Finished `test` profile [unoptimized + debuginfo] target(s) in 0.03s
[INFO] [stderr]      Running unittests src/lib.rs (/opt/rustwide/target/debug/deps/pcb-2a1d776ea8378152)
[INFO] [stdout] 
[INFO] [stdout] running 0 tests
[INFO] [stdout] 
[INFO] [stdout] test result: ok. 0 passed; 0 failed; 0 ignored; 0 measured; 0 filtered out; finished in 0.00s
[INFO] [stdout] 
[INFO] [stderr]    Doc-tests pcb
[INFO] [stdout] 
[INFO] [stdout] running 0 tests
[INFO] [stdout] 
[INFO] [stdout] test result: ok. 0 passed; 0 failed; 0 ignored; 0 measured; 0 filtered out; finished in 0.00s
[INFO] [stdout] 
[INFO] running `Command { std: "docker" "inspect" "0f364ea10bc9e0e811521a0650c4409b7d7126832bf9e1fabb0869ecf81dc412", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "0f364ea10bc9e0e811521a0650c4409b7d7126832bf9e1fabb0869ecf81dc412", kill_on_drop: false }`
[INFO] [stdout] 0f364ea10bc9e0e811521a0650c4409b7d7126832bf9e1fabb0869ecf81dc412
