[INFO] fetching crate walletgen 1.2.0...
[INFO] checking walletgen-1.2.0 against master#cf38b8e663f15db10ce49d7bbce02c99fc3dbc0c for pr-143170
[INFO] extracting crate walletgen 1.2.0 into /workspace/builds/worker-7-tc1/source
[INFO] started tweaking crates.io crate walletgen 1.2.0
[INFO] finished tweaking crates.io crate walletgen 1.2.0
[INFO] tweaked toml for crates.io crate walletgen 1.2.0 written to /workspace/builds/worker-7-tc1/source/Cargo.toml
[INFO] validating manifest of crates.io crate walletgen 1.2.0 on toolchain cf38b8e663f15db10ce49d7bbce02c99fc3dbc0c
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+cf38b8e663f15db10ce49d7bbce02c99fc3dbc0c" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }`
[INFO] crate crates.io crate walletgen 1.2.0 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" "+cf38b8e663f15db10ce49d7bbce02c99fc3dbc0c" "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 wallet-gen v0.4.1
[INFO] [stderr]   Downloaded sp-storage v12.0.0
[INFO] [stderr]   Downloaded ref-cast v1.0.16
[INFO] [stderr]   Downloaded parity-scale-codec v3.5.0
[INFO] [stderr]   Downloaded ref-cast-impl v1.0.16
[INFO] [stderr]   Downloaded sp-std v7.0.0
[INFO] [stderr]   Downloaded ss58-registry v1.40.0
[INFO] [stderr]   Downloaded scale-info-derive v2.6.0
[INFO] [stderr]   Downloaded sp-runtime-interface-proc-macro v10.0.0
[INFO] [stderr]   Downloaded sp-runtime-interface v16.0.0
[INFO] [stderr]   Downloaded wasmi-validation v0.5.0
[INFO] [stderr]   Downloaded sp-core-hashing v8.0.0
[INFO] [stderr]   Downloaded sp-externalities v0.18.0
[INFO] [stderr]   Downloaded wasmtime-jit-icache-coherence v6.0.2
[INFO] [stderr]   Downloaded bounded-collections v0.1.7
[INFO] [stderr]   Downloaded wasmi_core v0.2.1
[INFO] [stderr]   Downloaded constant_time_eq v0.2.5
[INFO] [stderr]   Downloaded cyber v1.0.2
[INFO] [stderr]   Downloaded scale-info v2.7.0
[INFO] [stderr]   Downloaded sp-tracing v9.0.0
[INFO] [stderr]   Downloaded memfd v0.6.3
[INFO] [stderr]   Downloaded cranelift-entity v0.93.2
[INFO] [stderr]   Downloaded rustix v0.36.14
[INFO] [stderr]   Downloaded wasmi v0.13.2
[INFO] [stderr]   Downloaded wasmparser v0.100.0
[INFO] [stderr]   Downloaded wasmtime-runtime v6.0.2
[INFO] [stderr]   Downloaded wasmtime-environ v6.0.2
[INFO] [stderr]   Downloaded wasmtime-jit-debug v6.0.2
[INFO] [stderr]   Downloaded sp-wasm-interface v13.0.0
[INFO] [stderr]   Downloaded parity-scale-codec-derive v3.1.4
[INFO] [stderr]   Downloaded blake2b_simd v1.0.1
[INFO] [stderr]   Downloaded wasmtime-asm-macros v6.0.2
[INFO] [stderr]   Downloaded wasmtime-types v6.0.2
[INFO] [stderr]   Downloaded wasmtime-jit v6.0.2
[INFO] [stderr]   Downloaded sp-core v20.0.0
[INFO] [stderr]   Downloaded sp-debug-derive v7.0.0
[INFO] [stderr]   Downloaded wasmtime v6.0.2
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-7-tc1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-7-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" "+cf38b8e663f15db10ce49d7bbce02c99fc3dbc0c" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] 3a8f11b2c9d78989bc8d08e806754deddf26e0bb391a5b9f4e736bb9f3a98bed
[INFO] running `Command { std: "docker" "start" "-a" "3a8f11b2c9d78989bc8d08e806754deddf26e0bb391a5b9f4e736bb9f3a98bed", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "3a8f11b2c9d78989bc8d08e806754deddf26e0bb391a5b9f4e736bb9f3a98bed", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "3a8f11b2c9d78989bc8d08e806754deddf26e0bb391a5b9f4e736bb9f3a98bed", kill_on_drop: false }`
[INFO] [stdout] 3a8f11b2c9d78989bc8d08e806754deddf26e0bb391a5b9f4e736bb9f3a98bed
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-7-tc1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-7-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" "+cf38b8e663f15db10ce49d7bbce02c99fc3dbc0c" "check" "--frozen" "--all" "--all-targets" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] 5b5cad7f4d72b2807e2181e36677fbea0cdc824238ff45797c32a1d738ef54fc
[INFO] running `Command { std: "docker" "start" "-a" "5b5cad7f4d72b2807e2181e36677fbea0cdc824238ff45797c32a1d738ef54fc", kill_on_drop: false }`
[INFO] [stderr]    Compiling proc-macro2 v1.0.58
[INFO] [stderr]    Compiling unicode-ident v1.0.9
[INFO] [stderr]    Compiling quote v1.0.27
[INFO] [stderr]    Compiling libc v0.2.144
[INFO] [stderr]    Compiling version_check v0.9.4
[INFO] [stderr]    Compiling autocfg v1.1.0
[INFO] [stderr]     Checking cfg-if v1.0.0
[INFO] [stderr]    Compiling typenum v1.16.0
[INFO] [stderr]    Compiling serde v1.0.163
[INFO] [stderr]    Compiling cc v1.0.79
[INFO] [stderr]     Checking once_cell v1.17.1
[INFO] [stderr]    Compiling memchr v2.5.0
[INFO] [stderr]     Checking subtle v2.4.1
[INFO] [stderr]    Compiling syn v1.0.109
[INFO] [stderr]     Checking ppv-lite86 v0.2.17
[INFO] [stderr]    Compiling crunchy v0.2.2
[INFO] [stderr]    Compiling toml_datetime v0.6.2
[INFO] [stderr]    Compiling winnow v0.4.6
[INFO] [stderr]     Checking arrayvec v0.7.2
[INFO] [stderr]     Checking tinyvec_macros v0.1.1
[INFO] [stderr]    Compiling io-lifetimes v1.0.11
[INFO] [stderr]     Checking bitflags v1.3.2
[INFO] [stderr]     Checking tinyvec v1.6.0
[INFO] [stderr]     Checking byteorder v1.4.3
[INFO] [stderr]    Compiling rustix v0.37.19
[INFO] [stderr]    Compiling indexmap v1.9.3
[INFO] [stderr]    Compiling generic-array v0.14.7
[INFO] [stdout] error[E0635]: unknown feature `proc_macro_span_shrink`
[INFO] [stdout]   --> /opt/rustwide/cargo-home/registry/src/index.crates.io-1949cf8c6b5b557f/proc-macro2-1.0.58/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 num-traits v0.2.15
[INFO] [stderr]    Compiling thiserror v1.0.40
[INFO] [stderr]    Compiling log v0.4.17
[INFO] [stderr]    Compiling num-integer v0.1.45
[INFO] [stderr]     Checking linux-raw-sys v0.3.8
[INFO] [stderr]    Compiling getrandom v0.1.16
[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" "5b5cad7f4d72b2807e2181e36677fbea0cdc824238ff45797c32a1d738ef54fc", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "5b5cad7f4d72b2807e2181e36677fbea0cdc824238ff45797c32a1d738ef54fc", kill_on_drop: false }`
[INFO] [stdout] 5b5cad7f4d72b2807e2181e36677fbea0cdc824238ff45797c32a1d738ef54fc