[INFO] cloning repository https://github.com/viperML/len
[INFO] running `Command { std: "git" "-c" "credential.helper=" "-c" "credential.helper=/workspace/cargo-home/bin/git-credential-null" "clone" "--bare" "https://github.com/viperML/len" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2FviperML%2Flen", kill_on_drop: false }`
[INFO] [stderr] Cloning into bare repository '/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2FviperML%2Flen'...
[INFO] running `Command { std: "git" "rev-parse" "HEAD", kill_on_drop: false }`
[INFO] [stdout] a9f21c144f7aca23424aee3d9c6150371a796156
[INFO] testing viperML/len against beta-2025-02-18 for beta-1.86-1
[INFO] running `Command { std: "git" "clone" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2FviperML%2Flen" "/workspace/builds/worker-0-tc2/source", kill_on_drop: false }`
[INFO] [stderr] Cloning into '/workspace/builds/worker-0-tc2/source'...
[INFO] [stderr] done.
[INFO] validating manifest of git repo https://github.com/viperML/len on toolchain beta-2025-02-18
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+beta-2025-02-18" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }`
[INFO] started tweaking git repo https://github.com/viperML/len
[INFO] finished tweaking git repo https://github.com/viperML/len
[INFO] tweaked toml for git repo https://github.com/viperML/len written to /workspace/builds/worker-0-tc2/source/Cargo.toml
[INFO] crate git repo https://github.com/viperML/len 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-2025-02-18" "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@sha256:3959728d45483eb673ba100a951a6b9f5012970368db2a9e08e0ac9b67c8a5ad" "/opt/rustwide/cargo-home/bin/cargo" "+beta-2025-02-18" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] cb733f47b5c29aebe8c7746e1d8c0de838a5858d5b46ac9cfb09846af33fd652
[INFO] running `Command { std: "docker" "start" "-a" "cb733f47b5c29aebe8c7746e1d8c0de838a5858d5b46ac9cfb09846af33fd652", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "cb733f47b5c29aebe8c7746e1d8c0de838a5858d5b46ac9cfb09846af33fd652", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "cb733f47b5c29aebe8c7746e1d8c0de838a5858d5b46ac9cfb09846af33fd652", kill_on_drop: false }`
[INFO] [stdout] cb733f47b5c29aebe8c7746e1d8c0de838a5858d5b46ac9cfb09846af33fd652
[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@sha256:3959728d45483eb673ba100a951a6b9f5012970368db2a9e08e0ac9b67c8a5ad" "/opt/rustwide/cargo-home/bin/cargo" "+beta-2025-02-18" "build" "--frozen" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] 78dc578449dac5759100bcc2685b301404dbbedbf2646b2ba1250a7307adc298
[INFO] running `Command { std: "docker" "start" "-a" "78dc578449dac5759100bcc2685b301404dbbedbf2646b2ba1250a7307adc298", kill_on_drop: false }`
[INFO] [stderr]    Compiling proc-macro2 v1.0.69
[INFO] [stderr]    Compiling unicode-ident v1.0.12
[INFO] [stderr]    Compiling libc v0.2.149
[INFO] [stderr]    Compiling once_cell v1.18.0
[INFO] [stderr]    Compiling regex-syntax v0.6.29
[INFO] [stderr]    Compiling regex-syntax v0.8.2
[INFO] [stderr]    Compiling pin-project-lite v0.2.13
[INFO] [stderr]    Compiling log v0.4.20
[INFO] [stderr]    Compiling wasm-bindgen-shared v0.2.87
[INFO] [stderr]    Compiling smallvec v1.11.1
[INFO] [stderr]    Compiling num-traits v0.2.17
[INFO] [stderr]    Compiling num-integer v0.1.45
[INFO] [stderr]    Compiling sharded-slab v0.1.7
[INFO] [stderr]    Compiling num-bigint v0.4.4
[INFO] [stderr]    Compiling ahash v0.8.6
[INFO] [stderr]    Compiling syn v1.0.109
[INFO] [stderr]    Compiling num-iter v0.1.43
[INFO] [stderr]    Compiling num-rational v0.4.1
[INFO] [stderr]    Compiling tracing-core v0.1.32
[INFO] [stderr]    Compiling thread_local v1.1.7
[INFO] [stderr]    Compiling zerocopy v0.7.15
[INFO] [stderr]    Compiling bumpalo v3.14.0
[INFO] [stderr]    Compiling chumsky v1.0.0-alpha.6
[INFO] [stderr]    Compiling thiserror v1.0.50
[INFO] [stderr]    Compiling allocator-api2 v0.2.16
[INFO] [stderr]    Compiling gimli v0.28.0
[INFO] [stderr]    Compiling eyre v0.6.8
[INFO] [stderr]    Compiling memchr v2.6.4
[INFO] [stderr]    Compiling wasm-bindgen v0.2.87
[INFO] [stderr]    Compiling miniz_oxide v0.7.1
[INFO] [stderr]    Compiling indenter v0.3.3
[INFO] [stderr]    Compiling rustc-demangle v0.1.23
[INFO] [stderr]    Compiling owo-colors v3.5.0
[INFO] [stderr]    Compiling tracing-log v0.1.4
[INFO] [stderr]    Compiling quote v1.0.33
[INFO] [stderr]    Compiling num-complex v0.4.4
[INFO] [stderr]    Compiling hashbrown v0.14.2
[INFO] [stderr]    Compiling object v0.32.1
[INFO] [stderr]    Compiling syn v2.0.38
[INFO] [stderr]    Compiling cc v1.0.83
[INFO] [stderr]    Compiling psm v0.1.21
[INFO] [stderr]    Compiling stacker v0.1.15
[INFO] [stderr]    Compiling backtrace v0.3.69
[INFO] [stderr]    Compiling regex-automata v0.4.3
[INFO] [stderr]    Compiling regex-automata v0.1.10
[INFO] [stderr]    Compiling num v0.4.1
[INFO] [stderr]    Compiling matchers v0.1.0
[INFO] [stderr]    Compiling addr2line v0.21.0
[INFO] [stderr]    Compiling regex v1.10.2
[INFO] [stderr]    Compiling tracing-test-macro v0.2.4
[INFO] [stderr]    Compiling wasm-bindgen-backend v0.2.87
[INFO] [stderr]    Compiling tracing-attributes v0.1.27
[INFO] [stderr]    Compiling thiserror-impl v1.0.50
[INFO] [stderr]    Compiling wasm-bindgen-macro-support v0.2.87
[INFO] [stderr]    Compiling wasm-bindgen-macro v0.2.87
[INFO] [stderr]    Compiling tracing v0.1.40
[INFO] [stderr]    Compiling tracing-subscriber v0.3.17
[INFO] [stdout] error: older versions of the `wasm-bindgen` crate are incompatible with current versions of Rust; please update to `wasm-bindgen` v0.2.88
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr] error: could not compile `wasm-bindgen` (lib) due to 1 previous error
[INFO] [stderr] warning: build failed, waiting for other jobs to finish...
[INFO] running `Command { std: "docker" "inspect" "78dc578449dac5759100bcc2685b301404dbbedbf2646b2ba1250a7307adc298", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "78dc578449dac5759100bcc2685b301404dbbedbf2646b2ba1250a7307adc298", kill_on_drop: false }`
[INFO] [stdout] 78dc578449dac5759100bcc2685b301404dbbedbf2646b2ba1250a7307adc298