[INFO] fetching crate pi_res 0.1.0... [INFO] checking pi_res-0.1.0 against master#bbe853615821442ef11d6cd42a30a73432b38d89 for pr-154205 [INFO] extracting crate pi_res 0.1.0 into /workspace/builds/worker-5-tc1/source [INFO] started tweaking crates.io crate pi_res 0.1.0 [INFO] finished tweaking crates.io crate pi_res 0.1.0 [INFO] tweaked toml for crates.io crate pi_res 0.1.0 written to /workspace/builds/worker-5-tc1/source/Cargo.toml [INFO] validating manifest of crates.io crate pi_res 0.1.0 on toolchain bbe853615821442ef11d6cd42a30a73432b38d89 [INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+bbe853615821442ef11d6cd42a30a73432b38d89" "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" "+bbe853615821442ef11d6cd42a30a73432b38d89" "generate-lockfile" "--manifest-path" "Cargo.toml", kill_on_drop: false }` [INFO] [stderr] Blocking waiting for file lock on package cache [INFO] [stderr] Updating crates.io index [INFO] [stderr] Blocking waiting for file lock on package cache [INFO] [stderr] Locking 41 packages to latest compatible versions [INFO] [stderr] Adding pi_atom v0.1.0 (available: v0.6.1) [INFO] [stderr] Adding pi_share v0.1.3 (available: v0.5.2) [INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+bbe853615821442ef11d6cd42a30a73432b38d89" "fetch" "--manifest-path" "Cargo.toml", kill_on_drop: false }` [INFO] [stderr] Blocking waiting for file lock on package cache [INFO] [stderr] Blocking waiting for file lock on package cache [INFO] [stderr] Downloading crates ... [INFO] [stderr] Downloaded pi_share v0.1.3 [INFO] [stderr] Downloaded rand_hc v0.2.0 [INFO] [stderr] Downloaded pi_bon v0.1.3 [INFO] [stderr] Downloaded pi_lru v0.1.0 [INFO] [stderr] Downloaded pi_slab v0.1.0 [INFO] [stderr] Downloaded pi_time v0.1.0 [INFO] [stderr] Downloaded rand_chacha v0.2.2 [INFO] [stderr] Downloaded pi_any v0.1.1 [INFO] [stderr] Downloaded pi_data_view v0.1.1 [INFO] [stderr] Downloaded rand v0.7.3 [INFO] [stderr] Downloaded wasi v0.9.0+wasi-snapshot-preview1 [INFO] [stderr] Downloaded rand_core v0.5.1 [INFO] [stderr] Downloaded getrandom v0.1.16 [INFO] [stderr] Downloaded pi_atom v0.1.0 [INFO] [stderr] Downloaded pi_deque v0.1.0 [INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-5-tc1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-5-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:d429b63d4308055ea97f60fb1d3dfca48854a00942f1bd2ad806beaf015945ec" "/opt/rustwide/cargo-home/bin/cargo" "+bbe853615821442ef11d6cd42a30a73432b38d89" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }` [INFO] [stdout] 3908fc9c18636cf5265b57217b007f205d38fc27b298f16224ff79c350320c2c [INFO] running `Command { std: "docker" "start" "-a" "3908fc9c18636cf5265b57217b007f205d38fc27b298f16224ff79c350320c2c", kill_on_drop: false }` [INFO] running `Command { std: "docker" "inspect" "3908fc9c18636cf5265b57217b007f205d38fc27b298f16224ff79c350320c2c", kill_on_drop: false }` [INFO] running `Command { std: "docker" "rm" "-f" "3908fc9c18636cf5265b57217b007f205d38fc27b298f16224ff79c350320c2c", kill_on_drop: false }` [INFO] [stdout] 3908fc9c18636cf5265b57217b007f205d38fc27b298f16224ff79c350320c2c [INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-5-tc1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-5-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:d429b63d4308055ea97f60fb1d3dfca48854a00942f1bd2ad806beaf015945ec" "/opt/rustwide/cargo-home/bin/cargo" "+bbe853615821442ef11d6cd42a30a73432b38d89" "check" "--frozen" "--all" "--all-targets" "--message-format=json", kill_on_drop: false }` [INFO] [stdout] baaa740abd67f2c05c49c353c0c8666cfaa0d79035dc2ef60c767c4f12c48424 [INFO] running `Command { std: "docker" "start" "-a" "baaa740abd67f2c05c49c353c0c8666cfaa0d79035dc2ef60c767c4f12c48424", kill_on_drop: false }` [INFO] [stderr] Compiling libc v0.2.183 [INFO] [stderr] Checking cfg-if v1.0.4 [INFO] [stderr] Compiling zerocopy v0.8.47 [INFO] [stderr] Compiling autocfg v1.5.0 [INFO] [stderr] Compiling getrandom v0.1.16 [INFO] [stderr] Checking static_assertions v1.1.0 [INFO] [stderr] Checking byteorder v1.5.0 [INFO] [stderr] Checking lazy_static v1.5.0 [INFO] [stderr] Checking pi_data_view v0.1.1 [INFO] [stderr] Checking pi_slab v0.1.0 [INFO] [stderr] Checking fnv v1.0.7 [INFO] [stderr] Checking pi_share v0.1.3 [INFO] [stderr] Checking log v0.4.29 [INFO] [stderr] Checking pi_any v0.1.1 [INFO] [stderr] Checking pi_time v0.1.0 [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 const From for AtomicCell { [INFO] [stdout] | ^^^^^^^ trait is not stable as const yet [INFO] [stdout] | [INFO] [stdout] = note: see issue #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 2026-03-23; 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 const From for LockCell { [INFO] [stdout] | ^^^^^^^ trait is not stable as const yet [INFO] [stdout] | [INFO] [stdout] = note: see issue #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 2026-03-23; 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] Checking pi_deque v0.1.0 [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" "baaa740abd67f2c05c49c353c0c8666cfaa0d79035dc2ef60c767c4f12c48424", kill_on_drop: false }` [INFO] running `Command { std: "docker" "rm" "-f" "baaa740abd67f2c05c49c353c0c8666cfaa0d79035dc2ef60c767c4f12c48424", kill_on_drop: false }` [INFO] [stdout] baaa740abd67f2c05c49c353c0c8666cfaa0d79035dc2ef60c767c4f12c48424