[INFO] fetching crate rgb121 0.2.0...
[INFO] building rgb121-0.2.0 against master#ad85bc524b1ad696e42061ad8338d382dffbdbe5 for pr-146237-1
[INFO] extracting crate rgb121 0.2.0 into /workspace/builds/worker-4-tc1/source
[INFO] removed /workspace/builds/worker-4-tc1/source/rust-toolchain.toml
[INFO] started tweaking crates.io crate rgb121 0.2.0
[INFO] finished tweaking crates.io crate rgb121 0.2.0
[INFO] tweaked toml for crates.io crate rgb121 0.2.0 written to /workspace/builds/worker-4-tc1/source/Cargo.toml
[INFO] validating manifest of crates.io crate rgb121 0.2.0 on toolchain ad85bc524b1ad696e42061ad8338d382dffbdbe5
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+ad85bc524b1ad696e42061ad8338d382dffbdbe5" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }`
[INFO] crate crates.io crate rgb121 0.2.0 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" "+ad85bc524b1ad696e42061ad8338d382dffbdbe5" "fetch" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] [stderr]     Blocking waiting for file lock on package cache
[INFO] [stderr]     Updating crates.io index
[INFO] [stderr]  Downloading crates ...
[INFO] [stderr]   Downloaded encoding_derive_helpers v0.8.1
[INFO] [stderr]   Downloaded strict_encoding_derive v0.9.0
[INFO] [stderr]   Downloaded lnpbp_bech32 v0.9.0
[INFO] [stderr]   Downloaded amplify_syn v1.1.6
[INFO] [stderr]   Downloaded amplify v3.13.0
[INFO] [stderr]   Downloaded amplify_num v0.4.1
[INFO] [stderr]   Downloaded serde_derive v1.0.152
[INFO] [stderr]   Downloaded bitcoin_scripts v0.9.0
[INFO] [stderr]   Downloaded stability v0.1.1
[INFO] [stderr]   Downloaded bp-seals v0.9.0
[INFO] [stderr]   Downloaded serde_json v1.0.92
[INFO] [stderr]   Downloaded single_use_seals v0.9.0
[INFO] [stderr]   Downloaded base64-compat v1.0.0
[INFO] [stderr]   Downloaded bitcoin_hd v0.9.0
[INFO] [stderr]   Downloaded commit_verify v0.9.0
[INFO] [stderr]   Downloaded rgb-std v0.9.0
[INFO] [stderr]   Downloaded amplify_derive v2.11.3
[INFO] [stderr]   Downloaded electrum-client v0.12.0
[INFO] [stderr]   Downloaded iana-time-zone v0.1.53
[INFO] [stderr]   Downloaded bitcoin v0.29.2
[INFO] [stderr]   Downloaded lnpbp_secp256k1zkp v0.9.0
[INFO] [stderr]   Downloaded chrono v0.4.23
[INFO] [stderr]   Downloaded cxxbridge-flags v1.0.89
[INFO] [stderr]   Downloaded clap_derive v3.2.18
[INFO] [stderr]   Downloaded cxx v1.0.89
[INFO] [stderr]   Downloaded serde_with v1.14.0
[INFO] [stderr]   Downloaded cxx-build v1.0.89
[INFO] [stderr]   Downloaded descriptor-wallet v0.9.0
[INFO] [stderr]   Downloaded amplify_apfloat v0.1.3
[INFO] [stderr]   Downloaded aluvm v0.9.0
[INFO] [stderr]   Downloaded bp-dbc v0.9.0
[INFO] [stderr]   Downloaded bp-core v0.9.0
[INFO] [stderr]   Downloaded bitcoin_blockchain v0.9.0
[INFO] [stderr]   Downloaded bitcoin_onchain v0.9.0
[INFO] [stderr]   Downloaded slip132 v0.9.0
[INFO] [stderr]   Downloaded lnpbp_chain v0.9.0
[INFO] [stderr]   Downloaded clap v3.2.23
[INFO] [stderr]   Downloaded lnpbp v0.9.0
[INFO] [stderr]   Downloaded serde_with_macros v1.5.2
[INFO] [stderr]   Downloaded unsafe-libyaml v0.2.5
[INFO] [stderr]   Downloaded serde_yaml v0.9.17
[INFO] [stderr]   Downloaded descriptors v0.9.0
[INFO] [stderr]   Downloaded psbt v0.9.0
[INFO] [stderr]   Downloaded rgb-core v0.9.0
[INFO] [stderr]   Downloaded cxxbridge-macro v1.0.89
[INFO] [stderr]   Downloaded stens v0.9.0
[INFO] [stderr]   Downloaded strict_encoding v0.9.0
[INFO] [stderr]   Downloaded unicode-bidi v0.3.10
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-4-tc1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-4-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:e90291280db7d1fac5b66fc6dad9f9662629e7365a55743daf9bdf73ebc4ea79" "/opt/rustwide/cargo-home/bin/cargo" "+ad85bc524b1ad696e42061ad8338d382dffbdbe5" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] 74b34ac760244154ca623c5ab085b391ee97c5c514db85f34ac255c77721516a
[INFO] running `Command { std: "docker" "start" "-a" "74b34ac760244154ca623c5ab085b391ee97c5c514db85f34ac255c77721516a", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "74b34ac760244154ca623c5ab085b391ee97c5c514db85f34ac255c77721516a", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "74b34ac760244154ca623c5ab085b391ee97c5c514db85f34ac255c77721516a", kill_on_drop: false }`
[INFO] [stdout] 74b34ac760244154ca623c5ab085b391ee97c5c514db85f34ac255c77721516a
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-4-tc1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-4-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:e90291280db7d1fac5b66fc6dad9f9662629e7365a55743daf9bdf73ebc4ea79" "/opt/rustwide/cargo-home/bin/cargo" "+ad85bc524b1ad696e42061ad8338d382dffbdbe5" "build" "--frozen" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] 4bc86c6e8e71bfa5689456a4efbf34ff5931614838469fa2cd4c808ce526332b
[INFO] running `Command { std: "docker" "start" "-a" "4bc86c6e8e71bfa5689456a4efbf34ff5931614838469fa2cd4c808ce526332b", kill_on_drop: false }`
[INFO] [stderr]    Compiling proc-macro2 v1.0.51
[INFO] [stderr]    Compiling unicode-ident v1.0.6
[INFO] [stderr]    Compiling quote v1.0.23
[INFO] [stderr]    Compiling syn v1.0.107
[INFO] [stderr]    Compiling libc v0.2.139
[INFO] [stderr]    Compiling serde_derive v1.0.152
[INFO] [stderr]    Compiling serde v1.0.152
[INFO] [stderr]    Compiling cc v1.0.79
[INFO] [stderr]    Compiling ryu v1.0.12
[INFO] [stderr]    Compiling serde_json v1.0.92
[INFO] [stderr]    Compiling itoa v1.0.5
[INFO] [stderr]    Compiling indexmap v1.9.2
[INFO] [stderr]    Compiling num-traits v0.2.15
[INFO] [stderr]    Compiling paste v1.0.11
[INFO] [stderr]    Compiling num-integer v0.1.45
[INFO] [stderr]    Compiling amplify_num v0.4.1
[INFO] [stderr]    Compiling bech32 v0.9.1
[INFO] [stderr]    Compiling iana-time-zone v0.1.53
[INFO] [stderr]    Compiling arrayvec v0.7.2
[INFO] [stderr]    Compiling untrusted v0.7.1
[INFO] [stderr]    Compiling spin v0.5.2
[INFO] [stderr]    Compiling byteorder v1.4.3
[INFO] [stderr]    Compiling rustls v0.20.8
[INFO] [stderr]    Compiling typenum v1.16.0
[INFO] [stderr]    Compiling generic-array v0.14.6
[INFO] [stdout] error[E0635]: unknown feature `proc_macro_span_shrink`
[INFO] [stdout]   --> /opt/rustwide/cargo-home/registry/src/index.crates.io-1949cf8c6b5b557f/proc-macro2-1.0.51/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 deflate v1.0.0
[INFO] [stderr]    Compiling subtle v2.4.1
[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" "4bc86c6e8e71bfa5689456a4efbf34ff5931614838469fa2cd4c808ce526332b", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "4bc86c6e8e71bfa5689456a4efbf34ff5931614838469fa2cd4c808ce526332b", kill_on_drop: false }`
[INFO] [stdout] 4bc86c6e8e71bfa5689456a4efbf34ff5931614838469fa2cd4c808ce526332b