[INFO] cloning repository https://github.com/Congyuwang/Py-Bitcoin-Explorer
[INFO] running `Command { std: "git" "-c" "credential.helper=" "-c" "credential.helper=/workspace/cargo-home/bin/git-credential-null" "clone" "--bare" "https://github.com/Congyuwang/Py-Bitcoin-Explorer" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2FCongyuwang%2FPy-Bitcoin-Explorer", kill_on_drop: false }`
[INFO] [stderr] Cloning into bare repository '/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2FCongyuwang%2FPy-Bitcoin-Explorer'...
[INFO] running `Command { std: "git" "rev-parse" "HEAD", kill_on_drop: false }`
[INFO] [stdout] b7d0115be6050e0ad5ddf203d378cce762ce422f
[INFO] checking Congyuwang/Py-Bitcoin-Explorer/b7d0115be6050e0ad5ddf203d378cce762ce422f against master#f609b7e0586f81fefb3523e3e17adf779ac416be for pr-129466-2
[INFO] running `Command { std: "git" "clone" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2FCongyuwang%2FPy-Bitcoin-Explorer" "/workspace/builds/worker-1-tc1/source", kill_on_drop: false }`
[INFO] [stderr] Cloning into '/workspace/builds/worker-1-tc1/source'...
[INFO] [stderr] done.
[INFO] validating manifest of git repo https://github.com/Congyuwang/Py-Bitcoin-Explorer on toolchain f609b7e0586f81fefb3523e3e17adf779ac416be
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+f609b7e0586f81fefb3523e3e17adf779ac416be" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }`
[INFO] removed /workspace/builds/worker-1-tc1/source/.cargo/config.toml
[INFO] started tweaking git repo https://github.com/Congyuwang/Py-Bitcoin-Explorer
[INFO] finished tweaking git repo https://github.com/Congyuwang/Py-Bitcoin-Explorer
[INFO] tweaked toml for git repo https://github.com/Congyuwang/Py-Bitcoin-Explorer written to /workspace/builds/worker-1-tc1/source/Cargo.toml
[INFO] crate git repo https://github.com/Congyuwang/Py-Bitcoin-Explorer 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" "+f609b7e0586f81fefb3523e3e17adf779ac416be" "fetch" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] [stderr]     Updating crates.io index
[INFO] [stderr]  Downloading crates ...
[INFO] [stderr]   Downloaded ffi-opaque v2.0.1
[INFO] [stderr]   Downloaded db-key v0.0.5
[INFO] [stderr]   Downloaded pyo3-log v0.8.1
[INFO] [stderr]   Downloaded leveldb v0.8.6
[INFO] [stderr]   Downloaded par-iter-sync v0.1.11
[INFO] [stderr]   Downloaded leveldb-sys v2.0.9
[INFO] [stderr]   Downloaded bitcoin-explorer v1.2.20
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-1-tc1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-1-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:ceb6ea022f8a89cebbe621bb4987e73a935bd40dfbb726f832cfff4742a5b95a" "/opt/rustwide/cargo-home/bin/cargo" "+f609b7e0586f81fefb3523e3e17adf779ac416be" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] 8892d0ec807f444b0787e9b07fa626ba355d511e304648b3519a3fa49bdaeae5
[INFO] running `Command { std: "docker" "start" "-a" "8892d0ec807f444b0787e9b07fa626ba355d511e304648b3519a3fa49bdaeae5", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "8892d0ec807f444b0787e9b07fa626ba355d511e304648b3519a3fa49bdaeae5", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "8892d0ec807f444b0787e9b07fa626ba355d511e304648b3519a3fa49bdaeae5", kill_on_drop: false }`
[INFO] [stdout] 8892d0ec807f444b0787e9b07fa626ba355d511e304648b3519a3fa49bdaeae5
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-1-tc1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-1-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:ceb6ea022f8a89cebbe621bb4987e73a935bd40dfbb726f832cfff4742a5b95a" "/opt/rustwide/cargo-home/bin/cargo" "+f609b7e0586f81fefb3523e3e17adf779ac416be" "check" "--frozen" "--all" "--all-targets" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] 245515f71f1678ece5f8a0cef837f32dc3fa1ad6e7b85e924b6e779d9cf0b4fd
[INFO] running `Command { std: "docker" "start" "-a" "245515f71f1678ece5f8a0cef837f32dc3fa1ad6e7b85e924b6e779d9cf0b4fd", kill_on_drop: false }`
[INFO] [stderr]    Compiling libc v0.2.143
[INFO] [stderr]    Compiling proc-macro2 v1.0.56
[INFO] [stderr]    Compiling quote v1.0.26
[INFO] [stderr]    Compiling unicode-ident v1.0.8
[INFO] [stderr]    Compiling autocfg v1.1.0
[INFO] [stderr]     Checking cfg-if v1.0.0
[INFO] [stderr]    Compiling pkg-config v0.3.27
[INFO] [stderr]    Compiling target-lexicon v0.12.7
[INFO] [stderr]    Compiling syn v1.0.109
[INFO] [stderr]    Compiling crossbeam-utils v0.8.15
[INFO] [stderr]     Checking scopeguard v1.1.0
[INFO] [stderr]    Compiling memchr v2.5.0
[INFO] [stderr]    Compiling glob v0.3.1
[INFO] [stderr]    Compiling minimal-lexical v0.2.1
[INFO] [stderr]    Compiling once_cell v1.17.1
[INFO] [stderr]    Compiling serde_derive v1.0.162
[INFO] [stderr]    Compiling libloading v0.7.4
[INFO] [stderr]    Compiling bindgen v0.64.0
[INFO] [stderr]    Compiling regex-syntax v0.7.1
[INFO] [stderr]    Compiling peeking_take_while v0.1.2
[INFO] [stderr]    Compiling lazy_static v1.4.0
[INFO] [stderr]    Compiling shlex v1.1.0
[INFO] [stderr]    Compiling bitflags v1.3.2
[INFO] [stderr]    Compiling lazycell v1.3.0
[INFO] [stderr]    Compiling serde v1.0.162
[INFO] [stderr]    Compiling rustc-hash v1.1.0
[INFO] [stderr]    Compiling parking_lot_core v0.8.6
[INFO] [stderr]    Compiling crossbeam-queue v0.3.8
[INFO] [stderr]     Checking instant v0.1.12
[INFO] [stderr]    Compiling memoffset v0.8.0
[INFO] [stderr]    Compiling crossbeam-epoch v0.9.14
[INFO] [stderr]    Compiling lock_api v0.4.9
[INFO] [stderr]    Compiling log v0.4.17
[INFO] [stdout] error[E0635]: unknown feature `proc_macro_span_shrink`
[INFO] [stdout]   --> /opt/rustwide/cargo-home/registry/src/index.crates.io-6f17d22bba15001f/proc-macro2-1.0.56/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 clang-sys v1.6.1
[INFO] [stderr]     Checking smallvec v1.10.0
[INFO] [stderr]    Compiling rayon-core v1.11.0
[INFO] [stderr]     Checking crossbeam-channel v0.5.8
[INFO] [stderr]     Checking ffi-opaque v2.0.1
[INFO] [stderr]     Checking unindent v0.1.11
[INFO] [stderr]     Checking remove_dir_all v0.5.3
[INFO] [stderr]     Checking bech32 v0.8.1
[INFO] [stderr]    Compiling indoc v1.0.9
[INFO] [stderr]     Checking db-key v0.0.5
[INFO] [stderr]     Checking either v1.8.1
[INFO] [stderr]     Checking hash_hasher v2.0.3
[INFO] [stderr]     Checking arc-swap v1.6.0
[INFO] [stdout] error: aborting due to 1 previous error
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] For more information about this error, try `rustc --explain E0635`.
[INFO] [stdout] 
[INFO] [stderr]    Compiling nom v7.1.3
[INFO] [stderr] error: could not compile `proc-macro2` (lib) due to 2 previous errors
[INFO] [stderr] warning: build failed, waiting for other jobs to finish...
[INFO] running `Command { std: "docker" "inspect" "245515f71f1678ece5f8a0cef837f32dc3fa1ad6e7b85e924b6e779d9cf0b4fd", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "245515f71f1678ece5f8a0cef837f32dc3fa1ad6e7b85e924b6e779d9cf0b4fd", kill_on_drop: false }`
[INFO] [stdout] 245515f71f1678ece5f8a0cef837f32dc3fa1ad6e7b85e924b6e779d9cf0b4fd