[INFO] fetching crate playdate-symbolize 0.2.2...
[INFO] testing playdate-symbolize-0.2.2 against beta-2026-04-21 for beta-1.96-2
[INFO] extracting crate playdate-symbolize 0.2.2 into /workspace/builds/worker-3-tc2/source
[INFO] started tweaking crates.io crate playdate-symbolize 0.2.2
[INFO] finished tweaking crates.io crate playdate-symbolize 0.2.2
[INFO] tweaked toml for crates.io crate playdate-symbolize 0.2.2 written to /workspace/builds/worker-3-tc2/source/Cargo.toml
[INFO] validating manifest of crates.io crate playdate-symbolize 0.2.2 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] crate crates.io crate playdate-symbolize 0.2.2 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" "+beta-2026-04-21" "fetch" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-3-tc2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-3-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] c63c07c3f71bd232ef7a4566e6de2cce415d6f3959f98148ce982f62fd66f845
[INFO] running `Command { std: "docker" "start" "-a" "c63c07c3f71bd232ef7a4566e6de2cce415d6f3959f98148ce982f62fd66f845", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "c63c07c3f71bd232ef7a4566e6de2cce415d6f3959f98148ce982f62fd66f845", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "c63c07c3f71bd232ef7a4566e6de2cce415d6f3959f98148ce982f62fd66f845", kill_on_drop: false }`
[INFO] [stdout] c63c07c3f71bd232ef7a4566e6de2cce415d6f3959f98148ce982f62fd66f845
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-3-tc2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-3-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] 5e80925b094733a1979d32bc4d191a4e807e4af27f2736d8788865f00065f3cb
[INFO] running `Command { std: "docker" "start" "-a" "5e80925b094733a1979d32bc4d191a4e807e4af27f2736d8788865f00065f3cb", kill_on_drop: false }`
[INFO] [stderr]    Compiling proc-macro2 v1.0.93
[INFO] [stderr]    Compiling unicode-ident v1.0.16
[INFO] [stderr]    Compiling libc v0.2.169
[INFO] [stderr]    Compiling serde v1.0.217
[INFO] [stderr]    Compiling memchr v2.7.4
[INFO] [stderr]    Compiling pkg-config v0.3.31
[INFO] [stderr]    Compiling smallvec v1.13.2
[INFO] [stderr]    Compiling once_cell v1.20.2
[INFO] [stderr]    Compiling parking_lot_core v0.9.10
[INFO] [stderr]    Compiling log v0.4.25
[INFO] [stderr]    Compiling uuid v1.12.1
[INFO] [stderr]    Compiling lock_api v0.4.12
[INFO] [stderr]    Compiling ahash v0.8.11
[INFO] [stderr]    Compiling stable_deref_trait v1.2.0
[INFO] [stderr]    Compiling zerocopy v0.7.35
[INFO] [stderr]    Compiling crc32fast v1.4.2
[INFO] [stderr]    Compiling equivalent v1.0.1
[INFO] [stderr]    Compiling adler2 v2.0.0
[INFO] [stderr]    Compiling bitflags v2.8.0
[INFO] [stderr]    Compiling hashbrown v0.15.2
[INFO] [stderr]    Compiling siphasher v0.3.11
[INFO] [stderr]    Compiling serde_json v1.0.138
[INFO] [stderr]    Compiling zstd-safe v7.2.1
[INFO] [stderr]    Compiling miniz_oxide v0.8.3
[INFO] [stderr]    Compiling thiserror v2.0.11
[INFO] [stderr]    Compiling semver v1.0.25
[INFO] [stderr]    Compiling anstyle-parse v0.2.6
[INFO] [stderr]    Compiling inplace-vec-builder v0.1.1
[INFO] [stderr]    Compiling phf_shared v0.10.0
[INFO] [stderr]    Compiling itoa v1.0.14
[INFO] [stderr]    Compiling bumpalo v3.17.0
[INFO] [stderr]    Compiling new_debug_unreachable v1.0.6
[INFO] [stderr]    Compiling fallible-iterator v0.3.0
[INFO] [stderr]    Compiling precomputed-hash v0.1.1
[INFO] [stderr]    Compiling zip v2.2.2
[INFO] [stderr]    Compiling binary-merge v0.1.2
[INFO] [stderr]    Compiling lockfree-object-pool v0.1.6
[INFO] [stderr]    Compiling cpp_demangle v0.4.4
[INFO] [stderr]    Compiling anstyle v1.0.10
[INFO] [stderr]    Compiling minimal-lexical v0.2.1
[INFO] [stderr]    Compiling ryu v1.0.19
[INFO] [stderr]    Compiling leb128 v0.2.5
[INFO] [stderr]    Compiling colorchoice v1.0.3
[INFO] [stderr]    Compiling anstyle-query v1.1.2
[INFO] [stderr]    Compiling fallible-iterator v0.2.0
[INFO] [stderr]    Compiling scroll v0.11.0
[INFO] [stderr]    Compiling anstream v0.6.18
[INFO] [stderr]    Compiling aho-corasick v1.1.3
[INFO] [stderr]    Compiling range-collections v0.2.4
[INFO] [stderr]    Compiling brownstone v3.0.0
[INFO] [stderr]    Compiling zopfli v0.8.1
[INFO] [stderr]    Compiling elsa v1.11.0
[INFO] [stderr]    Compiling indent_write v2.2.0
[INFO] [stderr]    Compiling flate2 v1.0.35
[INFO] [stderr]    Compiling nom v7.1.3
[INFO] [stderr]    Compiling quote v1.0.38
[INFO] [stderr]    Compiling maybe-owned v0.3.4
[INFO] [stderr]    Compiling jobserver v0.1.32
[INFO] [stderr]    Compiling memmap2 v0.9.5
[INFO] [stderr]    Compiling plain v0.2.3
[INFO] [stderr]    Compiling joinery v2.1.0
[INFO] [stderr]    Compiling dirs-sys v0.5.0
[INFO] [stderr]    Compiling parking_lot v0.12.3
[INFO] [stderr]    Compiling pdb v0.8.0
[INFO] [stderr]    Compiling cc v1.2.10
[INFO] [stderr]    Compiling mio v1.0.3
[INFO] [stderr]    Compiling syn v2.0.96
[INFO] [stderr]    Compiling signal-hook-registry v1.4.2
[INFO] [stderr]    Compiling socket2 v0.5.8
[INFO] [stderr]    Compiling gimli v0.31.1
[INFO] [stderr]    Compiling msvc-demangler v0.10.1
[INFO] [stderr]    Compiling clap_lex v0.7.4
[INFO] [stderr]    Compiling anyhow v1.0.95
[INFO] [stderr]    Compiling bytes v1.9.0
[INFO] [stderr]    Compiling rustc-demangle v0.1.24
[INFO] [stderr]    Compiling clap_builder v4.5.27
[INFO] [stderr]    Compiling dirs v6.0.0
[INFO] [stderr]    Compiling playdate-build-utils v0.3.8
[INFO] [stderr]    Compiling const-str v0.6.0
[INFO] [stderr]    Compiling nom-supreme v0.8.0
[INFO] [stderr]    Compiling regex-automata v0.4.9
[INFO] [stderr]    Compiling zstd-sys v2.0.13+zstd.1.5.6
[INFO] [stderr]    Compiling symbolic-demangle v12.13.3
[INFO] [stderr]    Compiling libsqlite3-sys v0.28.0
[INFO] [stderr]    Compiling regex v1.11.1
[INFO] [stderr]    Compiling env_filter v0.1.3
[INFO] [stderr]    Compiling env_logger v0.11.6
[INFO] [stderr]    Compiling serde_derive v1.0.217
[INFO] [stderr]    Compiling thiserror-impl v1.0.69
[INFO] [stderr]    Compiling scroll_derive v0.12.0
[INFO] [stderr]    Compiling thiserror-impl v2.0.11
[INFO] [stderr]    Compiling displaydoc v0.2.5
[INFO] [stderr]    Compiling tokio-macros v2.5.0
[INFO] [stderr]    Compiling futures-macro v0.3.31
[INFO] [stderr]    Compiling clap_derive v4.5.24
[INFO] [stderr]    Compiling async-stream-impl v0.3.6
[INFO] [stderr]    Compiling tokio v1.43.0
[INFO] [stderr]    Compiling scroll v0.12.0
[INFO] [stderr]    Compiling async-stream v0.3.6
[INFO] [stderr]    Compiling futures-util v0.3.31
[INFO] [stderr]    Compiling goblin v0.8.2
[INFO] [stderr]    Compiling thiserror v1.0.69
[INFO] [stderr]    Compiling watto v0.1.0
[INFO] [stderr]    Compiling pdb-addr2line v0.10.4
[INFO] [stderr]    Compiling clap v4.5.27
[INFO] [stderr]    Compiling zstd v0.13.2
[INFO] [stderr]    Compiling tokio-stream v0.1.17
[INFO] [stderr]    Compiling debugid v0.8.0
[INFO] [stderr]    Compiling indexmap v2.7.1
[INFO] [stderr]    Compiling hashbrown v0.14.5
[INFO] [stderr]    Compiling string_cache v0.8.7
[INFO] [stderr]    Compiling symbolic-common v12.13.3
[INFO] [stderr]    Compiling elementtree v1.2.3
[INFO] [stderr]    Compiling hashlink v0.9.1
[INFO] [stderr]    Compiling wasmparser v0.214.0
[INFO] [stderr]    Compiling symbolic-ppdb v12.13.3
[INFO] [stderr]    Compiling rusqlite v0.31.0
[INFO] [stderr]    Compiling symbolic-debuginfo v12.13.3
[INFO] [stderr]    Compiling symbolic v12.13.3
[INFO] [stderr]    Compiling playdate-symbolize v0.2.2 (/opt/rustwide/workdir)
[INFO] [stdout] error: let chains are only allowed in Rust 2024 or later
[INFO] [stdout]    --> src/fmt/crashlog.rs:167:7
[INFO] [stdout]     |
[INFO] [stdout] 167 |             if let Some(report) = resolved.get(addr) &&
[INFO] [stdout]     |                ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error[E0554]: `#![feature]` may not be used on the beta release channel
[INFO] [stdout]  --> src/lib.rs:1:1
[INFO] [stdout]   |
[INFO] [stdout] 1 | #![feature(let_chains)]
[INFO] [stdout]   | ^^^^^^^^^^^^^^^^^^^^^^^ help: remove the attribute
[INFO] [stdout]   |
[INFO] [stdout]   = help: the feature `let_chains` has been stable since `1.88.0` and no longer requires an attribute to enable
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: the feature `let_chains` has been stable since 1.88.0 and no longer requires an attribute to enable
[INFO] [stdout]  --> src/lib.rs:1:12
[INFO] [stdout]   |
[INFO] [stdout] 1 | #![feature(let_chains)]
[INFO] [stdout]   |            ^^^^^^^^^^
[INFO] [stdout]   |
[INFO] [stdout]   = note: `#[warn(stable_features)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] For more information about this error, try `rustc --explain E0554`.
[INFO] [stdout] 
[INFO] [stderr] error: could not compile `playdate-symbolize` (lib) due to 2 previous errors; 1 warning emitted
[INFO] [stderr] warning: build failed, waiting for other jobs to finish...
[INFO] running `Command { std: "docker" "inspect" "5e80925b094733a1979d32bc4d191a4e807e4af27f2736d8788865f00065f3cb", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "5e80925b094733a1979d32bc4d191a4e807e4af27f2736d8788865f00065f3cb", kill_on_drop: false }`
[INFO] [stdout] 5e80925b094733a1979d32bc4d191a4e807e4af27f2736d8788865f00065f3cb
