[INFO] fetching crate nakamoto-node 0.4.0...
[INFO] building nakamoto-node-0.4.0 against master#ad85bc524b1ad696e42061ad8338d382dffbdbe5 for pr-146237-1
[INFO] extracting crate nakamoto-node 0.4.0 into /workspace/builds/worker-2-tc1/source
[INFO] started tweaking crates.io crate nakamoto-node 0.4.0
[INFO] finished tweaking crates.io crate nakamoto-node 0.4.0
[INFO] tweaked toml for crates.io crate nakamoto-node 0.4.0 written to /workspace/builds/worker-2-tc1/source/Cargo.toml
[INFO] validating manifest of crates.io crate nakamoto-node 0.4.0 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 nakamoto-node 0.4.0 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]     Updating crates.io index
[INFO] [stderr]  Downloading crates ...
[INFO] [stderr]   Downloaded heck v0.4.0
[INFO] [stderr]   Downloaded unicode-ident v1.0.5
[INFO] [stderr]   Downloaded bech32 v0.9.1
[INFO] [stderr]   Downloaded argh_shared v0.1.9
[INFO] [stderr]   Downloaded hermit-abi v0.1.19
[INFO] [stderr]   Downloaded argh_derive v0.1.9
[INFO] [stderr]   Downloaded cc v1.0.74
[INFO] [stderr]   Downloaded log v0.4.17
[INFO] [stderr]   Downloaded crossbeam-channel v0.5.6
[INFO] [stderr]   Downloaded popol v2.0.0
[INFO] [stderr]   Downloaded chrono v0.4.22
[INFO] [stderr]   Downloaded syn v1.0.103
[INFO] [stderr]   Downloaded argh v0.1.9
[INFO] [stderr]   Downloaded num-traits v0.2.15
[INFO] [stderr]   Downloaded nakamoto-chain v0.4.0
[INFO] [stderr]   Downloaded secp256k1 v0.24.1
[INFO] [stderr]   Downloaded nakamoto-p2p v0.4.0
[INFO] [stderr]   Downloaded libc v0.2.137
[INFO] [stderr]   Downloaded microserde-derive v0.1.13
[INFO] [stderr]   Downloaded nakamoto-common v0.4.0
[INFO] [stderr]   Downloaded nakamoto-client v0.4.0
[INFO] [stderr]   Downloaded instant v0.1.12
[INFO] [stderr]   Downloaded nakamoto-net v0.4.0
[INFO] [stderr]   Downloaded colored v1.9.3
[INFO] [stderr]   Downloaded bitcoin_hashes v0.11.0
[INFO] [stderr]   Downloaded microserde v0.1.13
[INFO] [stderr]   Downloaded nonempty v0.7.0
[INFO] [stderr]   Downloaded nakamoto-net-poll v0.4.0
[INFO] [stderr]   Downloaded proc-macro2 v1.0.47
[INFO] [stderr]   Downloaded quote v1.0.21
[INFO] [stderr]   Downloaded thiserror v1.0.37
[INFO] [stderr]   Downloaded socket2 v0.4.7
[INFO] [stderr]   Downloaded thiserror-impl v1.0.37
[INFO] [stderr]   Downloaded crossbeam-utils v0.8.12
[INFO] [stderr]   Downloaded fastrand v1.8.0
[INFO] [stderr]   Downloaded bitcoin v0.29.2
[INFO] [stderr]   Downloaded secp256k1-sys v0.6.1
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-2-tc1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-2-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] 362ba1ae256d92a380f589a43e3995e6d9c0987278178eac6df712525970d7d2
[INFO] running `Command { std: "docker" "start" "-a" "362ba1ae256d92a380f589a43e3995e6d9c0987278178eac6df712525970d7d2", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "362ba1ae256d92a380f589a43e3995e6d9c0987278178eac6df712525970d7d2", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "362ba1ae256d92a380f589a43e3995e6d9c0987278178eac6df712525970d7d2", kill_on_drop: false }`
[INFO] [stdout] 362ba1ae256d92a380f589a43e3995e6d9c0987278178eac6df712525970d7d2
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-2-tc1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-2-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] e083a29dae04dada77932aaccd2ecf1e9af85935e995cca5717cf2b78c78f7c8
[INFO] running `Command { std: "docker" "start" "-a" "e083a29dae04dada77932aaccd2ecf1e9af85935e995cca5717cf2b78c78f7c8", kill_on_drop: false }`
[INFO] [stderr]    Compiling proc-macro2 v1.0.47
[INFO] [stderr]    Compiling quote v1.0.21
[INFO] [stderr]    Compiling unicode-ident v1.0.5
[INFO] [stderr]    Compiling syn v1.0.103
[INFO] [stderr]    Compiling crossbeam-utils v0.8.12
[INFO] [stderr]    Compiling cc v1.0.74
[INFO] [stderr]    Compiling thiserror v1.0.37
[INFO] [stderr]    Compiling log v0.4.17
[INFO] [stderr]    Compiling libc v0.2.137
[INFO] [stderr]    Compiling autocfg v1.1.0
[INFO] [stderr]    Compiling fastrand v1.8.0
[INFO] [stderr]    Compiling bitcoin_hashes v0.11.0
[INFO] [stderr]    Compiling bech32 v0.9.1
[INFO] [stderr]    Compiling nonempty v0.7.0
[INFO] [stderr]    Compiling heck v0.4.0
[INFO] [stderr]    Compiling argh_shared v0.1.9
[INFO] [stderr]    Compiling lazy_static v1.4.0
[INFO] [stderr]    Compiling num-traits v0.2.15
[INFO] [stderr]    Compiling num-integer v0.1.45
[INFO] [stderr]    Compiling crossbeam-channel v0.5.6
[INFO] [stdout] error[E0635]: unknown feature `proc_macro_span_shrink`
[INFO] [stdout]   --> /opt/rustwide/cargo-home/registry/src/index.crates.io-1949cf8c6b5b557f/proc-macro2-1.0.47/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] [stdout] For more information about this error, try `rustc --explain E0635`.
[INFO] [stdout] 
[INFO] [stderr]    Compiling secp256k1-sys v0.6.1
[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" "e083a29dae04dada77932aaccd2ecf1e9af85935e995cca5717cf2b78c78f7c8", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "e083a29dae04dada77932aaccd2ecf1e9af85935e995cca5717cf2b78c78f7c8", kill_on_drop: false }`
[INFO] [stdout] e083a29dae04dada77932aaccd2ecf1e9af85935e995cca5717cf2b78c78f7c8