[INFO] fetching crate slas 0.3.1... [INFO] testing slas-0.3.1 against try#2440211fe03bc45c89b6dc1a3df18382ce91e32b for pr-146098-1 [INFO] extracting crate slas 0.3.1 into /workspace/builds/worker-2-tc2/source [INFO] started tweaking crates.io crate slas 0.3.1 [INFO] finished tweaking crates.io crate slas 0.3.1 [INFO] tweaked toml for crates.io crate slas 0.3.1 written to /workspace/builds/worker-2-tc2/source/Cargo.toml [INFO] validating manifest of crates.io crate slas 0.3.1 on toolchain 2440211fe03bc45c89b6dc1a3df18382ce91e32b [INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+2440211fe03bc45c89b6dc1a3df18382ce91e32b" "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" "+2440211fe03bc45c89b6dc1a3df18382ce91e32b" "generate-lockfile" "--manifest-path" "Cargo.toml", kill_on_drop: false }` [INFO] [stderr] Updating crates.io index [INFO] [stderr] Locking 8 packages to latest compatible versions [INFO] [stderr] Adding cblas-sys v0.1.4 (available: v0.3.0) [INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+2440211fe03bc45c89b6dc1a3df18382ce91e32b" "fetch" "--manifest-path" "Cargo.toml", kill_on_drop: false }` [INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-2-tc2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-2-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" "+2440211fe03bc45c89b6dc1a3df18382ce91e32b" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }` [INFO] [stdout] 172cf8bb5df3ef310deb428d7c8ae9d62db98dcc7671c8682a87b22ae45efd28 [INFO] running `Command { std: "docker" "start" "-a" "172cf8bb5df3ef310deb428d7c8ae9d62db98dcc7671c8682a87b22ae45efd28", kill_on_drop: false }` [INFO] running `Command { std: "docker" "inspect" "172cf8bb5df3ef310deb428d7c8ae9d62db98dcc7671c8682a87b22ae45efd28", kill_on_drop: false }` [INFO] running `Command { std: "docker" "rm" "-f" "172cf8bb5df3ef310deb428d7c8ae9d62db98dcc7671c8682a87b22ae45efd28", kill_on_drop: false }` [INFO] [stdout] 172cf8bb5df3ef310deb428d7c8ae9d62db98dcc7671c8682a87b22ae45efd28 [INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-2-tc2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-2-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" "+2440211fe03bc45c89b6dc1a3df18382ce91e32b" "build" "--frozen" "--message-format=json", kill_on_drop: false }` [INFO] [stdout] 47f29cac3bba90d35079be800f58976e55aa7630b2cb3b02487691a12507e878 [INFO] running `Command { std: "docker" "start" "-a" "47f29cac3bba90d35079be800f58976e55aa7630b2cb3b02487691a12507e878", kill_on_drop: false }` [INFO] [stderr] Compiling blis-src v0.2.2 [INFO] [stderr] Compiling slas v0.3.1 (/opt/rustwide/workdir) [INFO] [stderr] Compiling cblas-sys v0.1.4 [INFO] [stderr] Compiling levitate v0.1.2 [INFO] [stdout] error[E0658]: use of unstable const library feature `const_convert` [INFO] [stdout] --> /opt/rustwide/cargo-home/registry/src/index.crates.io-1949cf8c6b5b557f/levitate-0.1.2/src/fast_floats.rs:40:15 [INFO] [stdout] | [INFO] [stdout] 40 | impl const Deref for Fast { [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 2025-09-25; consider upgrading it if it is out of date [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] error: `std::ops::Deref` is not yet stable as a const trait [INFO] [stdout] --> /opt/rustwide/cargo-home/registry/src/index.crates.io-1949cf8c6b5b557f/levitate-0.1.2/src/lib.rs:168:21 [INFO] [stdout] | [INFO] [stdout] 168 | *self [INFO] [stdout] | ^^^^^ [INFO] [stdout] ... [INFO] [stdout] 196 | def_fast_primitive!(f32); [INFO] [stdout] | ------------------------ in this macro invocation [INFO] [stdout] | [INFO] [stdout] = note: this error originates in the macro `def_fast_primitive` (in Nightly builds, run with -Z macro-backtrace for more info) [INFO] [stdout] help: add `#![feature(const_convert)]` to the crate attributes to enable [INFO] [stdout] | [INFO] [stdout] 26 + #![feature(const_convert)] [INFO] [stdout] | [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] error: `std::ops::Deref` is not yet stable as a const trait [INFO] [stdout] --> /opt/rustwide/cargo-home/registry/src/index.crates.io-1949cf8c6b5b557f/levitate-0.1.2/src/lib.rs:168:21 [INFO] [stdout] | [INFO] [stdout] 168 | *self [INFO] [stdout] | ^^^^^ [INFO] [stdout] ... [INFO] [stdout] 197 | def_fast_primitive!(f64); [INFO] [stdout] | ------------------------ in this macro invocation [INFO] [stdout] | [INFO] [stdout] = note: this error originates in the macro `def_fast_primitive` (in Nightly builds, run with -Z macro-backtrace for more info) [INFO] [stdout] help: add `#![feature(const_convert)]` to the crate attributes to enable [INFO] [stdout] | [INFO] [stdout] 26 + #![feature(const_convert)] [INFO] [stdout] | [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] For more information about this error, try `rustc --explain E0658`. [INFO] [stdout] [INFO] [stderr] error: could not compile `levitate` (lib) due to 3 previous errors [INFO] [stderr] warning: build failed, waiting for other jobs to finish... [INFO] running `Command { std: "docker" "inspect" "47f29cac3bba90d35079be800f58976e55aa7630b2cb3b02487691a12507e878", kill_on_drop: false }` [INFO] running `Command { std: "docker" "rm" "-f" "47f29cac3bba90d35079be800f58976e55aa7630b2cb3b02487691a12507e878", kill_on_drop: false }` [INFO] [stdout] 47f29cac3bba90d35079be800f58976e55aa7630b2cb3b02487691a12507e878