[INFO] cloning repository https://github.com/js2xxx/umi [INFO] running `Command { std: "git" "-c" "credential.helper=" "-c" "credential.helper=/workspace/cargo-home/bin/git-credential-null" "clone" "--bare" "https://github.com/js2xxx/umi" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fjs2xxx%2Fumi", kill_on_drop: false }` [INFO] [stderr] Cloning into bare repository '/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fjs2xxx%2Fumi'... [INFO] running `Command { std: "git" "rev-parse" "HEAD", kill_on_drop: false }` [INFO] [stdout] da57a57c52d695348051e7306103f620ed6010bc [INFO] testing js2xxx/umi against try#2440211fe03bc45c89b6dc1a3df18382ce91e32b for pr-146098-1 [INFO] running `Command { std: "git" "clone" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fjs2xxx%2Fumi" "/workspace/builds/worker-5-tc2/source", kill_on_drop: false }` [INFO] [stderr] Cloning into '/workspace/builds/worker-5-tc2/source'... [INFO] [stderr] done. [INFO] removed /workspace/builds/worker-5-tc2/source/rust-toolchain.toml [INFO] started tweaking git repo https://github.com/js2xxx/umi [INFO] finished tweaking git repo https://github.com/js2xxx/umi [INFO] tweaked toml for git repo https://github.com/js2xxx/umi written to /workspace/builds/worker-5-tc2/source/Cargo.toml [INFO] validating manifest of git repo https://github.com/js2xxx/umi 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] crate git repo https://github.com/js2xxx/umi already has a lockfile, it will not be regenerated [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] [stderr] warning: virtual workspace defaulting to `resolver = "1"` despite one or more workspace members being on edition 2021 which implies `resolver = "2"` [INFO] [stderr] note: to keep the current resolver, specify `workspace.resolver = "1"` in the workspace root's manifest [INFO] [stderr] note: to use the edition 2021 resolver, specify `workspace.resolver = "2"` in the workspace root's manifest [INFO] [stderr] note: for more details see https://doc.rust-lang.org/cargo/reference/resolver.html#resolver-versions [INFO] [stderr] Blocking waiting for file lock on package cache [INFO] [stderr] Blocking waiting for file lock on package cache [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:e90291280db7d1fac5b66fc6dad9f9662629e7365a55743daf9bdf73ebc4ea79" "/opt/rustwide/cargo-home/bin/cargo" "+2440211fe03bc45c89b6dc1a3df18382ce91e32b" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }` [INFO] [stdout] 7ea8f076ddc874cc7567ea0ebbfb1157b9347b206c0b2f1448535defecaca62d [INFO] running `Command { std: "docker" "start" "-a" "7ea8f076ddc874cc7567ea0ebbfb1157b9347b206c0b2f1448535defecaca62d", kill_on_drop: false }` [INFO] running `Command { std: "docker" "inspect" "7ea8f076ddc874cc7567ea0ebbfb1157b9347b206c0b2f1448535defecaca62d", kill_on_drop: false }` [INFO] running `Command { std: "docker" "rm" "-f" "7ea8f076ddc874cc7567ea0ebbfb1157b9347b206c0b2f1448535defecaca62d", kill_on_drop: false }` [INFO] [stdout] 7ea8f076ddc874cc7567ea0ebbfb1157b9347b206c0b2f1448535defecaca62d [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:e90291280db7d1fac5b66fc6dad9f9662629e7365a55743daf9bdf73ebc4ea79" "/opt/rustwide/cargo-home/bin/cargo" "+2440211fe03bc45c89b6dc1a3df18382ce91e32b" "build" "--frozen" "--message-format=json", kill_on_drop: false }` [INFO] [stdout] 350809cb24eb4b07aa04b3ad172c9636371431bca218de4dfbaa7ada24b867eb [INFO] running `Command { std: "docker" "start" "-a" "350809cb24eb4b07aa04b3ad172c9636371431bca218de4dfbaa7ada24b867eb", kill_on_drop: false }` [INFO] [stderr] warning: virtual workspace defaulting to `resolver = "1"` despite one or more workspace members being on edition 2021 which implies `resolver = "2"` [INFO] [stderr] note: to keep the current resolver, specify `workspace.resolver = "1"` in the workspace root's manifest [INFO] [stderr] note: to use the edition 2021 resolver, specify `workspace.resolver = "2"` in the workspace root's manifest [INFO] [stderr] note: for more details see https://doc.rust-lang.org/cargo/reference/resolver.html#resolver-versions [INFO] [stderr] Compiling proc-macro2 v1.0.67 [INFO] [stderr] Compiling num-traits v0.2.16 [INFO] [stderr] Compiling log v0.4.20 [INFO] [stderr] Compiling num-integer v0.1.45 [INFO] [stderr] Compiling nb v1.1.0 [INFO] [stderr] Compiling num-rational v0.4.1 [INFO] [stderr] Compiling riscv v0.10.1 [INFO] [stderr] Compiling void v1.0.2 [INFO] [stderr] Compiling futures-core v0.3.28 [INFO] [stderr] Compiling semver v1.0.18 [INFO] [stderr] Compiling byteorder v1.4.3 [INFO] [stderr] Compiling critical-section v1.1.2 [INFO] [stderr] Compiling bit_field v0.10.2 [INFO] [stderr] Compiling ahash v0.8.3 [INFO] [stderr] Compiling memoffset v0.8.0 [INFO] [stderr] Compiling bitflags v2.4.0 [INFO] [stderr] Compiling nb v0.1.3 [INFO] [stderr] Compiling crossbeam-utils v0.8.16 [INFO] [stderr] Compiling futures-task v0.3.28 [INFO] [stderr] Compiling embedded-hal v0.2.7 [INFO] [stderr] Compiling pin-project-lite v0.2.13 [INFO] [stderr] Compiling futures-util v0.3.28 [INFO] [stderr] Compiling rand_core v0.6.4 [INFO] [stderr] Compiling ppv-lite86 v0.2.17 [INFO] [stderr] Compiling minimal-lexical v0.2.1 [INFO] [stderr] Compiling memchr v2.6.3 [INFO] [stderr] Compiling once_cell v1.18.0 [INFO] [stderr] Compiling spin v0.9.8 [INFO] [stderr] Compiling rv39-paging v0.1.0 (/opt/rustwide/workdir/mizu/lib/paging) [INFO] [stderr] Compiling arsc-rs v0.1.2 (https://github.com/js2xxx/arsc#a35008dc) [INFO] [stderr] Compiling hash32 v0.2.1 [INFO] [stderr] Compiling slab v0.4.9 [INFO] [stderr] Compiling memoffset v0.9.0 [INFO] [stdout] warning: the feature `const_mut_refs` has been stable since 1.83.0 and no longer requires an attribute to enable [INFO] [stdout] --> mizu/lib/paging/src/lib.rs:3:12 [INFO] [stdout] | [INFO] [stdout] 3 | #![feature(const_mut_refs)] [INFO] [stdout] | ^^^^^^^^^^^^^^ [INFO] [stdout] | [INFO] [stdout] = note: `#[warn(stable_features)]` on by default [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: the feature `const_option_ext` has been stable since 1.84.0 and no longer requires an attribute to enable [INFO] [stdout] --> mizu/lib/paging/src/lib.rs:4:12 [INFO] [stdout] | [INFO] [stdout] 4 | #![feature(const_option_ext)] [INFO] [stdout] | ^^^^^^^^^^^^^^^^ [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] error[E0658]: use of unstable library feature `arbitrary_self_types` [INFO] [stdout] --> /opt/rustwide/cargo-home/git/checkouts/arsc-a62fe3bcbcdd1728/a35008d/src/lib.rs:23:50 [INFO] [stdout] | [INFO] [stdout] 23 | ops::{CoerceUnsized, Deref, DispatchFromDyn, Receiver}, [INFO] [stdout] | ^^^^^^^^ [INFO] [stdout] | [INFO] [stdout] = note: see issue #44874 for more information [INFO] [stdout] = help: add `#![feature(arbitrary_self_types)]` 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[E0658]: use of unstable library feature `arbitrary_self_types` [INFO] [stdout] --> /opt/rustwide/cargo-home/git/checkouts/arsc-a62fe3bcbcdd1728/a35008d/src/lib.rs:47:31 [INFO] [stdout] | [INFO] [stdout] 47 | impl Receiver for Arsc {} [INFO] [stdout] | ^^^^^^^^ [INFO] [stdout] | [INFO] [stdout] = note: see issue #44874 for more information [INFO] [stdout] = help: add `#![feature(arbitrary_self_types)]` 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[E0658]: use of unstable const library feature `const_default` [INFO] [stdout] --> mizu/lib/paging/src/entry.rs:140:12 [INFO] [stdout] | [INFO] [stdout] 140 | impl const Default for AttrBuilder { [INFO] [stdout] | ^^^^^^^ trait is not stable as const yet [INFO] [stdout] | [INFO] [stdout] = note: see issue #143894 for more information [INFO] [stdout] = help: add `#![feature(const_default)]` 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[E0658]: use of unstable const library feature `const_default` [INFO] [stdout] --> mizu/lib/paging/src/entry.rs:312:12 [INFO] [stdout] | [INFO] [stdout] 312 | impl const Default for Entry { [INFO] [stdout] | ^^^^^^^ trait is not stable as const yet [INFO] [stdout] | [INFO] [stdout] = note: see issue #143894 for more information [INFO] [stdout] = help: add `#![feature(const_default)]` 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[E0658]: use of unstable const library feature `const_default` [INFO] [stdout] --> mizu/lib/paging/src/entry.rs:509:12 [INFO] [stdout] | [INFO] [stdout] 509 | impl const Default for Table { [INFO] [stdout] | ^^^^^^^ trait is not stable as const yet [INFO] [stdout] | [INFO] [stdout] = note: see issue #143894 for more information [INFO] [stdout] = help: add `#![feature(const_default)]` 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[E0635]: unknown feature `receiver_trait` [INFO] [stdout] --> /opt/rustwide/cargo-home/git/checkouts/arsc-a62fe3bcbcdd1728/a35008d/src/lib.rs:9:12 [INFO] [stdout] | [INFO] [stdout] 9 | #![feature(receiver_trait)] [INFO] [stdout] | ^^^^^^^^^^^^^^ [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] error[E0119]: conflicting implementations of trait `Receiver` for type `Arsc<_, _>` [INFO] [stdout] --> /opt/rustwide/cargo-home/git/checkouts/arsc-a62fe3bcbcdd1728/a35008d/src/lib.rs:47:1 [INFO] [stdout] | [INFO] [stdout] 47 | impl Receiver for Arsc {} [INFO] [stdout] | ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^ [INFO] [stdout] | [INFO] [stdout] = note: conflicting implementation in crate `core`: [INFO] [stdout] - impl Receiver for P [INFO] [stdout] where

::Target == T, P: Deref, P: ?Sized, T: ?Sized; [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] error[E0635]: unknown feature `stdsimd` [INFO] [stdout] --> /opt/rustwide/cargo-home/registry/src/index.crates.io-1949cf8c6b5b557f/ahash-0.8.3/src/lib.rs:99:42 [INFO] [stdout] | [INFO] [stdout] 99 | #![cfg_attr(feature = "stdsimd", feature(stdsimd))] [INFO] [stdout] | ^^^^^^^ [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] Some errors have detailed explanations: E0119, E0635, E0658. [INFO] [stdout] [INFO] [stderr] Compiling rustc_version v0.4.0 [INFO] [stdout] For more information about an error, try `rustc --explain E0119`. [INFO] [stdout] [INFO] [stderr] error: could not compile `arsc-rs` (lib) due to 4 previous errors [INFO] [stderr] warning: build failed, waiting for other jobs to finish... [INFO] [stdout] error: `Default` is not yet stable as a const trait [INFO] [stdout] --> mizu/lib/paging/src/entry.rs:327:16 [INFO] [stdout] | [INFO] [stdout] 327 | Table([Default::default(); NR_ENTRIES]) [INFO] [stdout] | ^^^^^^^^^^^^^^^^^^ [INFO] [stdout] | [INFO] [stdout] help: add `#![feature(const_default)]` to the crate attributes to enable [INFO] [stdout] --> mizu/lib/paging/src/lib.rs:7:1 [INFO] [stdout] | [INFO] [stdout] 7 + #![feature(const_default)] [INFO] [stdout] | [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] For more information about this error, try `rustc --explain E0635`. [INFO] [stdout] [INFO] [stdout] error: `Option::::map` is not yet stable as a const fn [INFO] [stdout] --> mizu/lib/paging/src/level.rs:73:9 [INFO] [stdout] | [INFO] [stdout] 73 | self.0.checked_sub(1).map(Level) [INFO] [stdout] | ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^ [INFO] [stdout] | [INFO] [stdout] help: add `#![feature(const_option_ops)]` to the crate attributes to enable [INFO] [stdout] --> mizu/lib/paging/src/lib.rs:7:1 [INFO] [stdout] | [INFO] [stdout] 7 + #![feature(const_option_ops)] [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 `ahash` (lib) due to 1 previous error [INFO] [stderr] error: could not compile `rv39-paging` (lib) due to 5 previous errors; 2 warnings emitted [INFO] running `Command { std: "docker" "inspect" "350809cb24eb4b07aa04b3ad172c9636371431bca218de4dfbaa7ada24b867eb", kill_on_drop: false }` [INFO] running `Command { std: "docker" "rm" "-f" "350809cb24eb4b07aa04b3ad172c9636371431bca218de4dfbaa7ada24b867eb", kill_on_drop: false }` [INFO] [stdout] 350809cb24eb4b07aa04b3ad172c9636371431bca218de4dfbaa7ada24b867eb