[INFO] fetching crate pi_res_mgr 0.1.0...
[INFO] testing pi_res_mgr-0.1.0 against try#dec9417b8611e34e787a3e4c37686b5131f9e5c5 for pr-154210-2
[INFO] extracting crate pi_res_mgr 0.1.0 into /workspace/builds/worker-7-tc2/source
[INFO] started tweaking crates.io crate pi_res_mgr 0.1.0
[INFO] finished tweaking crates.io crate pi_res_mgr 0.1.0
[INFO] tweaked toml for crates.io crate pi_res_mgr 0.1.0 written to /workspace/builds/worker-7-tc2/source/Cargo.toml
[INFO] validating manifest of crates.io crate pi_res_mgr 0.1.0 on toolchain dec9417b8611e34e787a3e4c37686b5131f9e5c5
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+dec9417b8611e34e787a3e4c37686b5131f9e5c5" "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" "+dec9417b8611e34e787a3e4c37686b5131f9e5c5" "generate-lockfile" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] [stderr]     Updating crates.io index
[INFO] [stderr]      Locking 24 packages to latest compatible versions
[INFO] [stderr]       Adding pi_share v0.1.3 (available: v0.5.2)
[INFO] [stderr]       Adding pi_slot_deque v0.1.3 (available: v0.3.1)
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+dec9417b8611e34e787a3e4c37686b5131f9e5c5" "fetch" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-7-tc2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-7-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" "+dec9417b8611e34e787a3e4c37686b5131f9e5c5" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] 01d879617b2b1bc69340755af4377b03b200f0b53ea44927cdc350b2d9383a99
[INFO] running `Command { std: "docker" "start" "-a" "01d879617b2b1bc69340755af4377b03b200f0b53ea44927cdc350b2d9383a99", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "01d879617b2b1bc69340755af4377b03b200f0b53ea44927cdc350b2d9383a99", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "01d879617b2b1bc69340755af4377b03b200f0b53ea44927cdc350b2d9383a99", kill_on_drop: false }`
[INFO] [stdout] 01d879617b2b1bc69340755af4377b03b200f0b53ea44927cdc350b2d9383a99
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-7-tc2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-7-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:d429b63d4308055ea97f60fb1d3dfca48854a00942f1bd2ad806beaf015945ec" "/opt/rustwide/cargo-home/bin/cargo" "+dec9417b8611e34e787a3e4c37686b5131f9e5c5" "build" "--frozen" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] 795493f518f8d95161fe6e23f089ab9dd9a6cab4bf6f2c355587e12f68040c81
[INFO] running `Command { std: "docker" "start" "-a" "795493f518f8d95161fe6e23f089ab9dd9a6cab4bf6f2c355587e12f68040c81", kill_on_drop: false }`
[INFO] [stderr]    Compiling libc v0.2.185
[INFO] [stderr]    Compiling pi_any v0.1.1
[INFO] [stderr]    Compiling pi_share v0.1.3
[INFO] [stderr]    Compiling slotmap v1.1.1
[INFO] [stderr]    Compiling fxhash v0.2.1
[INFO] [stdout] error[E0658]: use of unstable const library feature `const_convert`
[INFO] [stdout]   --> /opt/rustwide/cargo-home/registry/src/index.crates.io-1949cf8c6b5b557f/pi_share-0.1.3/src/atomic.rs:23:15
[INFO] [stdout]    |
[INFO] [stdout] 23 | impl<T> const From<T> for AtomicCell<T> {
[INFO] [stdout]    |               ^^^^^^^ trait is not stable as const yet
[INFO] [stdout]    |
[INFO] [stdout]    = note: see issue #143773 <https://github.com/rust-lang/rust/issues/143773> for more information
[INFO] [stdout]    = help: add `#![feature(const_convert)]` to the crate attributes to enable
[INFO] [stdout]    = note: this compiler was built on 2026-03-22; consider upgrading it if it is out of date
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error[E0658]: use of unstable const library feature `const_convert`
[INFO] [stdout]   --> /opt/rustwide/cargo-home/registry/src/index.crates.io-1949cf8c6b5b557f/pi_share-0.1.3/src/lock.rs:53:15
[INFO] [stdout]    |
[INFO] [stdout] 53 | impl<T> const From<T> for LockCell<T> {
[INFO] [stdout]    |               ^^^^^^^ trait is not stable as const yet
[INFO] [stdout]    |
[INFO] [stdout]    = note: see issue #143773 <https://github.com/rust-lang/rust/issues/143773> for more information
[INFO] [stdout]    = help: add `#![feature(const_convert)]` to the crate attributes to enable
[INFO] [stdout]    = note: this compiler was built on 2026-03-22; consider upgrading it if it is out of date
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] For more information about this error, try `rustc --explain E0658`.
[INFO] [stdout] 
[INFO] [stderr] error: could not compile `pi_share` (lib) due to 2 previous errors
[INFO] [stderr] warning: build failed, waiting for other jobs to finish...
[INFO] running `Command { std: "docker" "inspect" "795493f518f8d95161fe6e23f089ab9dd9a6cab4bf6f2c355587e12f68040c81", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "795493f518f8d95161fe6e23f089ab9dd9a6cab4bf6f2c355587e12f68040c81", kill_on_drop: false }`
[INFO] [stdout] 795493f518f8d95161fe6e23f089ab9dd9a6cab4bf6f2c355587e12f68040c81