[INFO] cloning repository https://github.com/succinctlabs/btc-warp
[INFO] running `Command { std: "git" "-c" "credential.helper=" "-c" "credential.helper=/workspace/cargo-home/bin/git-credential-null" "clone" "--bare" "https://github.com/succinctlabs/btc-warp" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fsuccinctlabs%2Fbtc-warp", kill_on_drop: false }`
[INFO] [stderr] Cloning into bare repository '/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fsuccinctlabs%2Fbtc-warp'...
[INFO] running `Command { std: "git" "rev-parse" "HEAD", kill_on_drop: false }`
[INFO] [stdout] 71714723a45ec1f2f545ab3170e8e481277f7cc7
[INFO] checking succinctlabs/btc-warp against try#c8085cfed34c45021fc8f66d073f6394b3e35431 for pr-148939
[INFO] running `Command { std: "git" "clone" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fsuccinctlabs%2Fbtc-warp" "/workspace/builds/worker-7-tc2/source", kill_on_drop: false }`
[INFO] [stderr] Cloning into '/workspace/builds/worker-7-tc2/source'...
[INFO] [stderr] done.
[INFO] started tweaking git repo https://github.com/succinctlabs/btc-warp
[INFO] finished tweaking git repo https://github.com/succinctlabs/btc-warp
[INFO] tweaked toml for git repo https://github.com/succinctlabs/btc-warp written to /workspace/builds/worker-7-tc2/source/Cargo.toml
[INFO] validating manifest of git repo https://github.com/succinctlabs/btc-warp on toolchain c8085cfed34c45021fc8f66d073f6394b3e35431
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+c8085cfed34c45021fc8f66d073f6394b3e35431" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }`
[INFO] crate git repo https://github.com/succinctlabs/btc-warp 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" "+c8085cfed34c45021fc8f66d073f6394b3e35431" "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]     Updating git repository `https://github.com/cloudhead/nakamoto.git`
[INFO] [stderr]     Updating git repository `https://github.com/succinctlabs/plonky2.git`
[INFO] [stderr]     Blocking waiting for file lock on package cache
[INFO] [stderr]  Downloading crates ...
[INFO] [stderr]   Downloaded microserde-derive v0.1.13
[INFO] [stderr]   Downloaded unroll v0.1.5
[INFO] [stderr]   Downloaded bitcoin_hashes v0.11.0
[INFO] [stderr]   Downloaded argh_shared v0.1.10
[INFO] [stderr]   Downloaded argh v0.1.10
[INFO] [stderr]   Downloaded keccak-hash v0.8.0
[INFO] [stderr]   Downloaded aws-smithy-query v0.51.0
[INFO] [stderr]   Downloaded popol v2.2.0
[INFO] [stderr]   Downloaded aws-sig-auth v0.51.0
[INFO] [stderr]   Downloaded aws-smithy-json v0.51.0
[INFO] [stderr]   Downloaded aws-smithy-checksums v0.51.0
[INFO] [stderr]   Downloaded aws-sdk-sso v0.21.0
[INFO] [stderr]   Downloaded aws-smithy-http-tower v0.51.0
[INFO] [stderr]   Downloaded nakamoto-common v0.4.0
[INFO] [stderr]   Downloaded aws-smithy-client v0.51.0
[INFO] [stderr]   Downloaded aws-http v0.51.0
[INFO] [stderr]   Downloaded security-framework v2.9.0
[INFO] [stderr]   Downloaded nakamoto-chain v0.4.0
[INFO] [stderr]   Downloaded nakamoto-p2p v0.4.0
[INFO] [stderr]   Downloaded aws-smithy-xml v0.51.0
[INFO] [stderr]   Downloaded nakamoto-net v0.4.0
[INFO] [stderr]   Downloaded aws-smithy-http v0.51.0
[INFO] [stderr]   Downloaded aws-smithy-types v0.51.0
[INFO] [stderr]   Downloaded bitcoin v0.29.2
[INFO] [stderr]   Downloaded aws-sdk-sts v0.21.0
[INFO] [stderr]   Downloaded aws-sdk-s3 v0.21.0
[INFO] [stderr]   Downloaded aws-config v0.51.0
[INFO] [stderr]   Downloaded aws-sigv4 v0.51.1
[INFO] [stderr]   Downloaded nakamoto-client v0.4.0
[INFO] [stderr]   Downloaded nakamoto-net-poll v0.4.0
[INFO] [stderr]   Downloaded microserde v0.1.13
[INFO] [stderr]   Downloaded aws-smithy-eventstream v0.51.0
[INFO] [stderr]   Downloaded aws-types v0.51.0
[INFO] [stderr]   Downloaded aws-endpoint v0.51.0
[INFO] [stderr]   Downloaded aws-smithy-async v0.51.0
[INFO] [stderr]   Downloaded argh_derive v0.1.10
[INFO] [stderr]   Downloaded nakamoto v0.4.0
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-7-tc2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-7-tc2/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@sha256:94a0c148923f5b2b52a63ef0eeb1882ad339ab61bce784c8077cbe41c61feb6c" "/opt/rustwide/cargo-home/bin/cargo" "+c8085cfed34c45021fc8f66d073f6394b3e35431" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] 090996847af21d36cda6122b1903369b45d0202f951498b74e011c2cea713baa
[INFO] running `Command { std: "docker" "start" "-a" "090996847af21d36cda6122b1903369b45d0202f951498b74e011c2cea713baa", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "090996847af21d36cda6122b1903369b45d0202f951498b74e011c2cea713baa", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "090996847af21d36cda6122b1903369b45d0202f951498b74e011c2cea713baa", kill_on_drop: false }`
[INFO] [stdout] 090996847af21d36cda6122b1903369b45d0202f951498b74e011c2cea713baa
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-7-tc2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-7-tc2/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@sha256:94a0c148923f5b2b52a63ef0eeb1882ad339ab61bce784c8077cbe41c61feb6c" "/opt/rustwide/cargo-home/bin/cargo" "+c8085cfed34c45021fc8f66d073f6394b3e35431" "check" "--frozen" "--all" "--all-targets" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] 2e431d6523b17f65ec821f60c1d2688ea2a0d448a200a185797e94343c14013a
[INFO] running `Command { std: "docker" "start" "-a" "2e431d6523b17f65ec821f60c1d2688ea2a0d448a200a185797e94343c14013a", kill_on_drop: false }`
[INFO] [stderr]    Compiling proc-macro2 v1.0.58
[INFO] [stderr]    Compiling quote v1.0.27
[INFO] [stderr]    Compiling libc v0.2.144
[INFO] [stderr]    Compiling cc v1.0.79
[INFO] [stderr]    Compiling serde v1.0.163
[INFO] [stderr]    Compiling futures-channel v0.3.28
[INFO] [stderr]    Compiling parking_lot_core v0.9.7
[INFO] [stderr]     Checking smallvec v1.10.0
[INFO] [stderr]    Compiling tokio v1.28.1
[INFO] [stderr]    Compiling num-integer v0.1.45
[INFO] [stderr]     Checking futures-sink v0.3.28
[INFO] [stderr]    Compiling futures-task v0.3.28
[INFO] [stderr]    Compiling futures-util v0.3.28
[INFO] [stderr]    Compiling time-core v0.1.1
[INFO] [stderr]    Compiling crossbeam-utils v0.8.15
[INFO] [stderr]     Checking futures-io v0.3.28
[INFO] [stderr]    Compiling time-macros v0.2.9
[INFO] [stderr]     Checking either v1.8.1
[INFO] [stderr]     Checking tracing-core v0.1.31
[INFO] [stderr]    Compiling indexmap v1.9.3
[INFO] [stderr]     Checking http v0.2.9
[INFO] [stderr]     Checking try-lock v0.2.4
[INFO] [stderr]     Checking want v0.3.0
[INFO] [stderr]    Compiling semver v1.0.17
[INFO] [stderr]    Compiling proc-macro2-diagnostics v0.10.0
[INFO] [stderr]    Compiling rustls v0.20.8
[INFO] [stderr]     Checking base64 v0.21.0
[INFO] [stderr]     Checking bytes-utils v0.1.3
[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]     Checking bitcoin_hashes v0.11.0
[INFO] [stderr]    Compiling yansi v0.5.1
[INFO] [stderr]    Compiling memoffset v0.8.0
[INFO] [stderr]     Checking bech32 v0.9.1
[INFO] [stderr]     Checking aho-corasick v1.0.1
[INFO] [stderr]     Checking crossbeam-channel v0.5.8
[INFO] [stderr]    Compiling crossbeam-epoch v0.9.14
[INFO] [stderr]     Checking regex-syntax v0.7.1
[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" "2e431d6523b17f65ec821f60c1d2688ea2a0d448a200a185797e94343c14013a", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "2e431d6523b17f65ec821f60c1d2688ea2a0d448a200a185797e94343c14013a", kill_on_drop: false }`
[INFO] [stdout] 2e431d6523b17f65ec821f60c1d2688ea2a0d448a200a185797e94343c14013a