[INFO] fetching crate fpd 2.7.2...
[INFO] testing fpd-2.7.2 against try#8de4c7234dd9b97c9d76b58671343fdbbc9a433e+target=x86_64-unknown-linux-musl for musl_upgrade_1_2_5_with_libc_patch_0
[INFO] extracting crate fpd 2.7.2 into /workspace/builds/worker-5-tc1/source
[INFO] removed /workspace/builds/worker-5-tc1/source/.cargo/config.toml
[INFO] started tweaking crates.io crate fpd 2.7.2
[INFO] finished tweaking crates.io crate fpd 2.7.2
[INFO] tweaked toml for crates.io crate fpd 2.7.2 written to /workspace/builds/worker-5-tc1/source/Cargo.toml
[INFO] validating manifest of crates.io crate fpd 2.7.2 on toolchain 8de4c7234dd9b97c9d76b58671343fdbbc9a433e
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+8de4c7234dd9b97c9d76b58671343fdbbc9a433e" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }`
[INFO] crate crates.io crate fpd 2.7.2 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" "+8de4c7234dd9b97c9d76b58671343fdbbc9a433e" "fetch" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] [stderr]     Updating crates.io index
[INFO] [stderr]     Blocking waiting for file lock on package cache
[INFO] [stderr]  Downloading crates ...
[INFO] [stderr]   Downloaded rmp-serde v1.0.0
[INFO] [stderr]   Downloaded test-env-log v0.2.8
[INFO] [stderr]   Downloaded tokio-tungstenite v0.16.1
[INFO] [stderr]   Downloaded tungstenite v0.16.0
[INFO] [stderr]   Downloaded futures-executor v0.3.19
[INFO] [stderr]   Downloaded test-log v0.2.11
[INFO] [stderr]   Downloaded string_cache v0.8.3
[INFO] [stderr]   Downloaded dynasmrt v1.2.3
[INFO] [stderr]   Downloaded wasmer-artifact v2.3.0
[INFO] [stderr]   Downloaded bytecheck_derive v0.6.9
[INFO] [stderr]   Downloaded prometheus v0.13.2
[INFO] [stderr]   Downloaded fiberplane-provider-bindings v2.0.0-beta.1
[INFO] [stderr]   Downloaded crossbeam-epoch v0.9.6
[INFO] [stderr]   Downloaded wasmer-object v2.3.0
[INFO] [stderr]   Downloaded wasmer-engine v2.3.0
[INFO] [stderr]   Downloaded typed-builder v0.12.0
[INFO] [stderr]   Downloaded cranelift-bforest v0.82.3
[INFO] [stderr]   Downloaded cranelift-codegen-meta v0.82.3
[INFO] [stderr]   Downloaded wasmer-compiler-singlepass v2.3.0
[INFO] [stderr]   Downloaded regalloc v0.0.34
[INFO] [stderr]   Downloaded rkyv v0.7.39
[INFO] [stderr]   Downloaded dynasm v1.2.3
[INFO] [stderr]   Downloaded wast v39.0.0
[INFO] [stderr]   Downloaded wasmer v2.3.0
[INFO] [stderr]   Downloaded cranelift-frontend v0.82.3
[INFO] [stderr]   Downloaded wasmer-compiler-cranelift v2.3.0
[INFO] [stderr]   Downloaded cranelift-codegen v0.82.3
[INFO] [stderr]   Downloaded rend v0.3.6
[INFO] [stderr]   Downloaded wasmer-types v2.3.0
[INFO] [stderr]   Downloaded bytecheck v0.6.9
[INFO] [stderr]   Downloaded rkyv_derive v0.7.39
[INFO] [stderr]   Downloaded wasmer-vm v2.3.0
[INFO] [stderr]   Downloaded wat v1.0.41
[INFO] [stderr]   Downloaded base64uuid v1.0.0
[INFO] [stderr]   Downloaded fiberplane-models v1.0.0-beta.1
[INFO] [stderr]   Downloaded cranelift-codegen-shared v0.82.3
[INFO] [stderr]   Downloaded cranelift-entity v0.82.3
[INFO] [stderr]   Downloaded wasmer-derive v2.3.0
[INFO] [stderr]   Downloaded wasmer-engine-dylib v2.3.0
[INFO] [stderr]   Downloaded wasmer-engine-universal-artifact v2.3.0
[INFO] [stderr]   Downloaded wasmer-engine-universal v2.3.0
[INFO] [stderr]   Downloaded enumset v1.0.8
[INFO] [stderr]   Downloaded wasmer-compiler v2.3.0
[INFO] [stderr]   Downloaded isahc v1.6.0
[INFO] [stderr]   Downloaded memmap2 v0.5.2
[INFO] [stderr]   Downloaded fiberplane-provider-runtime v2.0.0-beta.1
[INFO] [stderr]   Downloaded fp-bindgen-support v3.0.0-beta.1
[INFO] [stderr]   Downloaded fp-bindgen-macros v3.0.0-beta.1
[INFO] [stderr]   Downloaded fiberplane v1.0.0-beta.1
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-5-tc1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-5-tc1/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@sha256:90999bfc7ae267e83380e433d8e61a7c072ca6729e92edbae886d3423b3a6f4c" "/opt/rustwide/cargo-home/bin/cargo" "+8de4c7234dd9b97c9d76b58671343fdbbc9a433e" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] 70fb2959a445d9c59f3c770ac921e682f74e45b9fc03062c6a0acc1d10212d16
[INFO] running `Command { std: "docker" "start" "-a" "70fb2959a445d9c59f3c770ac921e682f74e45b9fc03062c6a0acc1d10212d16", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "70fb2959a445d9c59f3c770ac921e682f74e45b9fc03062c6a0acc1d10212d16", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "70fb2959a445d9c59f3c770ac921e682f74e45b9fc03062c6a0acc1d10212d16", kill_on_drop: false }`
[INFO] [stdout] 70fb2959a445d9c59f3c770ac921e682f74e45b9fc03062c6a0acc1d10212d16
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-5-tc1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-5-tc1/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@sha256:90999bfc7ae267e83380e433d8e61a7c072ca6729e92edbae886d3423b3a6f4c" "/opt/rustwide/cargo-home/bin/cargo" "+8de4c7234dd9b97c9d76b58671343fdbbc9a433e" "build" "--frozen" "--message-format=json" "--target" "x86_64-unknown-linux-musl", kill_on_drop: false }`
[INFO] [stdout] f903b7b358cf796c3b5cff37fb93c72ceba35f3f30f3f1d03cefac8299c9d12d
[INFO] running `Command { std: "docker" "start" "-a" "f903b7b358cf796c3b5cff37fb93c72ceba35f3f30f3f1d03cefac8299c9d12d", kill_on_drop: false }`
[INFO] [stderr]    Compiling proc-macro2 v1.0.46
[INFO] [stderr]    Compiling unicode-ident v1.0.4
[INFO] [stderr]    Compiling syn v1.0.101
[INFO] [stderr]    Compiling libc v0.2.139
[INFO] [stderr]    Compiling cfg-if v1.0.0
[INFO] [stderr]    Compiling version_check v0.9.4
[INFO] [stderr]    Compiling autocfg v1.1.0
[INFO] [stderr]    Compiling serde_derive v1.0.145
[INFO] [stderr]    Compiling once_cell v1.17.0
[INFO] [stderr]    Compiling serde v1.0.145
[INFO] [stderr]    Compiling memchr v2.4.1
[INFO] [stderr]    Compiling smallvec v1.10.0
[INFO] [stderr]    Compiling cc v1.0.72
[INFO] [stderr]    Compiling scopeguard v1.1.0
[INFO] [stderr]    Compiling log v0.4.17
[INFO] [stderr]    Compiling thiserror v1.0.38
[INFO] [stderr]    Compiling stable_deref_trait v1.2.0
[INFO] [stderr]    Compiling pin-project-lite v0.2.9
[INFO] [stderr]    Compiling fallible-iterator v0.2.0
[INFO] [stderr]    Compiling rustversion v1.0.6
[INFO] [stderr]    Compiling ident_case v1.0.1
[INFO] [stderr]    Compiling fnv v1.0.7
[INFO] [stderr]    Compiling lazy_static v1.4.0
[INFO] [stderr]    Compiling bytecheck v0.6.9
[INFO] [stderr]    Compiling strsim v0.10.0
[INFO] [stderr]    Compiling rend v0.3.6
[INFO] [stderr]    Compiling target-lexicon v0.12.3
[INFO] [stderr]    Compiling adler v1.0.2
[INFO] [stderr]    Compiling rkyv v0.7.39
[INFO] [stderr]    Compiling rustc-demangle v0.1.21
[INFO] [stderr]    Compiling seahash v4.1.0
[INFO] [stderr]    Compiling crossbeam-utils v0.8.14
[INFO] [stderr]    Compiling itoa v1.0.1
[INFO] [stderr]    Compiling indexmap v1.9.1
[INFO] [stdout] error[E0635]: unknown feature `proc_macro_span_shrink`
[INFO] [stdout]   --> /opt/rustwide/cargo-home/registry/src/index.crates.io-1949cf8c6b5b557f/proc-macro2-1.0.46/src/lib.rs:92:30
[INFO] [stdout]    |
[INFO] [stdout] 92 |     feature(proc_macro_span, proc_macro_span_shrink)
[INFO] [stdout]    |                              ^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr]    Compiling ahash v0.7.6
[INFO] [stderr]    Compiling value-bag v1.0.0-alpha.9
[INFO] [stderr]    Compiling miniz_oxide v0.4.4
[INFO] [stderr]    Compiling memoffset v0.6.5
[INFO] [stderr]    Compiling more-asserts v0.2.2
[INFO] [stderr]    Compiling proc-macro-error-attr v1.0.4
[INFO] [stderr]    Compiling tracing-core v0.1.30
[INFO] [stderr]    Compiling futures-core v0.3.19
[INFO] [stderr]    Compiling bitflags v1.3.2
[INFO] [stderr]    Compiling wasmparser v0.83.0
[INFO] [stdout] For more information about this error, try `rustc --explain E0635`.
[INFO] [stdout] 
[INFO] [stderr] error: could not compile `proc-macro2` (lib) due to 1 previous error
[INFO] [stderr] warning: build failed, waiting for other jobs to finish...
[INFO] running `Command { std: "docker" "inspect" "f903b7b358cf796c3b5cff37fb93c72ceba35f3f30f3f1d03cefac8299c9d12d", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "f903b7b358cf796c3b5cff37fb93c72ceba35f3f30f3f1d03cefac8299c9d12d", kill_on_drop: false }`
[INFO] [stdout] f903b7b358cf796c3b5cff37fb93c72ceba35f3f30f3f1d03cefac8299c9d12d