[INFO] cloning repository https://github.com/jrmuizel/wasm-lang1
[INFO] running `Command { std: "git" "-c" "credential.helper=" "-c" "credential.helper=/workspace/cargo-home/bin/git-credential-null" "clone" "--bare" "https://github.com/jrmuizel/wasm-lang1" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fjrmuizel%2Fwasm-lang1", kill_on_drop: false }`
[INFO] [stderr] Cloning into bare repository '/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fjrmuizel%2Fwasm-lang1'...
[INFO] running `Command { std: "git" "rev-parse" "HEAD", kill_on_drop: false }`
[INFO] [stdout] fd51142c5dc715fa8a430dc16fe8fc14f8738c5d
[INFO] testing jrmuizel/wasm-lang1 against beta-2026-04-21 for beta-1.96-2
[INFO] running `Command { std: "git" "clone" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fjrmuizel%2Fwasm-lang1" "/workspace/builds/worker-0-tc2/source", kill_on_drop: false }`
[INFO] [stderr] Cloning into '/workspace/builds/worker-0-tc2/source'...
[INFO] [stderr] done.
[INFO] started tweaking git repo https://github.com/jrmuizel/wasm-lang1
[INFO] finished tweaking git repo https://github.com/jrmuizel/wasm-lang1
[INFO] tweaked toml for git repo https://github.com/jrmuizel/wasm-lang1 written to /workspace/builds/worker-0-tc2/source/Cargo.toml
[INFO] validating manifest of git repo https://github.com/jrmuizel/wasm-lang1 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 git repo https://github.com/jrmuizel/wasm-lang1 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-0-tc2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-0-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] 7897d0ccd1d114386483cb8d22739d2c242a205bb3e377eb1ceca3c3c718ca0b
[INFO] running `Command { std: "docker" "start" "-a" "7897d0ccd1d114386483cb8d22739d2c242a205bb3e377eb1ceca3c3c718ca0b", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "7897d0ccd1d114386483cb8d22739d2c242a205bb3e377eb1ceca3c3c718ca0b", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "7897d0ccd1d114386483cb8d22739d2c242a205bb3e377eb1ceca3c3c718ca0b", kill_on_drop: false }`
[INFO] [stdout] 7897d0ccd1d114386483cb8d22739d2c242a205bb3e377eb1ceca3c3c718ca0b
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-0-tc2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-0-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] d8e911edc5bff98b38c7e5ca0efc0815015172f5c43c61177c90e5c24d4c1ee7
[INFO] running `Command { std: "docker" "start" "-a" "d8e911edc5bff98b38c7e5ca0efc0815015172f5c43c61177c90e5c24d4c1ee7", kill_on_drop: false }`
[INFO] [stderr]    Compiling proc-macro2 v1.0.95
[INFO] [stderr]    Compiling serde v1.0.219
[INFO] [stderr]    Compiling libc v0.2.172
[INFO] [stderr]    Compiling log v0.4.27
[INFO] [stderr]    Compiling anyhow v1.0.98
[INFO] [stderr]    Compiling bitflags v2.9.1
[INFO] [stderr]    Compiling cranelift-srcgen v0.120.0
[INFO] [stderr]    Compiling fallible-iterator v0.3.0
[INFO] [stderr]    Compiling cranelift-isle v0.120.0
[INFO] [stderr]    Compiling allocator-api2 v0.2.21
[INFO] [stderr]    Compiling hashbrown v0.15.3
[INFO] [stderr]    Compiling cranelift-bitset v0.120.0
[INFO] [stderr]    Compiling memchr v2.7.4
[INFO] [stderr]    Compiling typenum v1.18.0
[INFO] [stderr]    Compiling libm v0.2.15
[INFO] [stderr]    Compiling serde_json v1.0.140
[INFO] [stderr]    Compiling cranelift-codegen-shared v0.120.0
[INFO] [stderr]    Compiling target-lexicon v0.13.2
[INFO] [stderr]    Compiling pulley-interpreter v33.0.0
[INFO] [stderr]    Compiling cranelift-assembler-x64-meta v0.120.0
[INFO] [stderr]    Compiling semver v1.0.26
[INFO] [stderr]    Compiling leb128fmt v0.1.0
[INFO] [stderr]    Compiling crossbeam-utils v0.8.21
[INFO] [stderr]    Compiling bumpalo v3.17.0
[INFO] [stderr]    Compiling object v0.36.7
[INFO] [stderr]    Compiling arbitrary v1.4.1
[INFO] [stderr]    Compiling wasmparser v0.229.0
[INFO] [stderr]    Compiling rustix v1.0.7
[INFO] [stderr]    Compiling rustc-hash v2.1.1
[INFO] [stderr]    Compiling crc32fast v1.4.2
[INFO] [stderr]    Compiling zstd-safe v7.2.4
[INFO] [stderr]    Compiling generic-array v0.14.7
[INFO] [stderr]    Compiling quote v1.0.40
[INFO] [stderr]    Compiling cobs v0.2.3
[INFO] [stderr]    Compiling cranelift-assembler-x64 v0.120.0
[INFO] [stderr]    Compiling jobserver v0.1.33
[INFO] [stderr]    Compiling wasm-encoder v0.229.0
[INFO] [stderr]    Compiling cpp_demangle v0.4.4
[INFO] [stderr]    Compiling linux-raw-sys v0.9.4
[INFO] [stderr]    Compiling wasm-encoder v0.233.0
[INFO] [stderr]    Compiling winnow v0.7.10
[INFO] [stderr]    Compiling syn v2.0.101
[INFO] [stderr]    Compiling cc v1.2.25
[INFO] [stderr]    Compiling crossbeam-epoch v0.9.18
[INFO] [stderr]    Compiling unicode-xid v0.2.6
[INFO] [stderr]    Compiling thiserror v2.0.12
[INFO] [stderr]    Compiling rayon-core v1.12.1
[INFO] [stderr]    Compiling wasmtime-math v33.0.0
[INFO] [stderr]    Compiling toml_write v0.1.1
[INFO] [stderr]    Compiling rustix v0.38.44
[INFO] [stderr]    Compiling crypto-common v0.1.6
[INFO] [stderr]    Compiling block-buffer v0.10.4
[INFO] [stderr]    Compiling cranelift-control v0.120.0
[INFO] [stderr]    Compiling id-arena v2.2.1
[INFO] [stderr]    Compiling either v1.15.0
[INFO] [stderr]    Compiling wasmtime-component-util v33.0.0
[INFO] [stderr]    Compiling digest v0.10.7
[INFO] [stderr]    Compiling crossbeam-deque v0.8.6
[INFO] [stderr]    Compiling dirs-sys-next v0.1.2
[INFO] [stderr]    Compiling wasmtime-component-macro v33.0.0
[INFO] [stderr]    Compiling rustc-demangle v0.1.24
[INFO] [stderr]    Compiling linux-raw-sys v0.4.15
[INFO] [stderr]    Compiling unicode-width v0.2.0
[INFO] [stderr]    Compiling byteorder v1.5.0
[INFO] [stderr]    Compiling wasmtime-cache v33.0.0
[INFO] [stderr]    Compiling uuid v1.17.0
[INFO] [stderr]    Compiling cranelift-codegen-meta v0.120.0
[INFO] [stderr]    Compiling directories-next v2.0.0
[INFO] [stderr]    Compiling fxhash v0.2.1
[INFO] [stderr]    Compiling sha2 v0.10.9
[INFO] [stderr]    Compiling debugid v0.8.0
[INFO] [stderr]    Compiling itertools v0.14.0
[INFO] [stderr]    Compiling wasmtime-asm-macros v33.0.0
[INFO] [stderr]    Compiling wasmtime-jit-icache-coherence v33.0.0
[INFO] [stderr]    Compiling encoding_rs v0.8.35
[INFO] [stderr]    Compiling rayon v1.10.0
[INFO] [stderr]    Compiling sptr v0.3.2
[INFO] [stderr] error: could not compile `serde` (lib)
[INFO] [stderr] 
[INFO] [stderr] Caused by:
[INFO] [stderr]   process didn't exit successfully: `/opt/rustwide/rustup-home/toolchains/beta-2026-04-21-x86_64-unknown-linux-gnu/bin/rustc --crate-name serde --edition=2018 /opt/rustwide/cargo-home/registry/src/index.crates.io-1949cf8c6b5b557f/serde-1.0.219/src/lib.rs --error-format=json --json=diagnostic-rendered-ansi,artifacts,future-incompat --crate-type lib --emit=dep-info,metadata,link -C embed-bitcode=no --cfg 'feature="alloc"' --cfg 'feature="std"' --check-cfg 'cfg(docsrs,test)' --check-cfg 'cfg(feature, values("alloc", "default", "derive", "rc", "serde_derive", "std", "unstable"))' -C metadata=5f4210c681061639 -C extra-filename=-cf9272a5ee3e20c8 --out-dir /opt/rustwide/target/debug/deps -L dependency=/opt/rustwide/target/debug/deps --cap-lints allow --cap-lints=warn --check-cfg 'cfg(no_core_cstr)' --check-cfg 'cfg(no_core_error)' --check-cfg 'cfg(no_core_net)' --check-cfg 'cfg(no_core_num_saturating)' --check-cfg 'cfg(no_core_try_from)' --check-cfg 'cfg(no_diagnostic_namespace)' --check-cfg 'cfg(no_float_copysign)' --check-cfg 'cfg(no_num_nonzero_signed)' --check-cfg 'cfg(no_relaxed_trait_bounds)' --check-cfg 'cfg(no_serde_derive)' --check-cfg 'cfg(no_std_atomic)' --check-cfg 'cfg(no_std_atomic64)' --check-cfg 'cfg(no_systemtime_checked_add)' --check-cfg 'cfg(no_target_has_atomic)'` (signal: 9, SIGKILL: kill)
[INFO] [stderr] warning: build failed, waiting for other jobs to finish...
[INFO] running `Command { std: "docker" "inspect" "d8e911edc5bff98b38c7e5ca0efc0815015172f5c43c61177c90e5c24d4c1ee7", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "d8e911edc5bff98b38c7e5ca0efc0815015172f5c43c61177c90e5c24d4c1ee7", kill_on_drop: false }`
[INFO] [stdout] d8e911edc5bff98b38c7e5ca0efc0815015172f5c43c61177c90e5c24d4c1ee7
