[INFO] cloning repository https://github.com/bonedaddy/solana-btc-spv
[INFO] running `Command { std: "git" "-c" "credential.helper=" "-c" "credential.helper=/workspace/cargo-home/bin/git-credential-null" "clone" "--bare" "https://github.com/bonedaddy/solana-btc-spv" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fbonedaddy%2Fsolana-btc-spv", kill_on_drop: false }`
[INFO] [stderr] Cloning into bare repository '/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fbonedaddy%2Fsolana-btc-spv'...
[INFO] running `Command { std: "git" "rev-parse" "HEAD", kill_on_drop: false }`
[INFO] [stdout] fc3a08d074f50e28baaf49ccfba11765b8642bbf
[INFO] checking bonedaddy/solana-btc-spv against master#506512391b1a75ae450d36c9420978402a91abcc for pr-125384
[INFO] running `Command { std: "git" "clone" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fbonedaddy%2Fsolana-btc-spv" "/workspace/builds/worker-4-tc1/source", kill_on_drop: false }`
[INFO] [stderr] Cloning into '/workspace/builds/worker-4-tc1/source'...
[INFO] [stderr] done.
[INFO] validating manifest of git repo https://github.com/bonedaddy/solana-btc-spv on toolchain 506512391b1a75ae450d36c9420978402a91abcc
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+506512391b1a75ae450d36c9420978402a91abcc" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }`
[INFO] started tweaking git repo https://github.com/bonedaddy/solana-btc-spv
[INFO] finished tweaking git repo https://github.com/bonedaddy/solana-btc-spv
[INFO] tweaked toml for git repo https://github.com/bonedaddy/solana-btc-spv written to /workspace/builds/worker-4-tc1/source/Cargo.toml
[INFO] crate git repo https://github.com/bonedaddy/solana-btc-spv 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" "+506512391b1a75ae450d36c9420978402a91abcc" "fetch" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] [stderr] warning: virtual workspace defaulting to `resolver = "1"` despite one or more workspace members being on edition 2021 which implies `resolver = "2"`
[INFO] [stderr] note: to keep the current resolver, specify `workspace.resolver = "1"` in the workspace root's manifest
[INFO] [stderr] note: to use the edition 2021 resolver, specify `workspace.resolver = "2"` in the workspace root's manifest
[INFO] [stderr] note: for more details see https://doc.rust-lang.org/cargo/reference/resolver.html#resolver-versions
[INFO] [stderr]     Updating crates.io index
[INFO] [stderr]  Downloading crates ...
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[INFO] [stderr]   Downloaded zeroize_derive v1.3.3
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[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:beeedbb442662e57d416641ecc3200b38e573c25b057896194468d05594dd835" "/opt/rustwide/cargo-home/bin/cargo" "+506512391b1a75ae450d36c9420978402a91abcc" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] 0d8028ef9539394b64934d4dc02a66146063148e3c3a1f7a06b4b229a32d9d26
[INFO] running `Command { std: "docker" "start" "-a" "0d8028ef9539394b64934d4dc02a66146063148e3c3a1f7a06b4b229a32d9d26", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "0d8028ef9539394b64934d4dc02a66146063148e3c3a1f7a06b4b229a32d9d26", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "0d8028ef9539394b64934d4dc02a66146063148e3c3a1f7a06b4b229a32d9d26", kill_on_drop: false }`
[INFO] [stdout] 0d8028ef9539394b64934d4dc02a66146063148e3c3a1f7a06b4b229a32d9d26
[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=allow" "-e" "RUSTDOCFLAGS=--cap-lints=allow" "-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:beeedbb442662e57d416641ecc3200b38e573c25b057896194468d05594dd835" "/opt/rustwide/cargo-home/bin/cargo" "+506512391b1a75ae450d36c9420978402a91abcc" "check" "--frozen" "--all" "--all-targets" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] a929070a2d14d4a61b9fd188dd17e12464c3c51916c463d8ac532777dc6d92bd
[INFO] running `Command { std: "docker" "start" "-a" "a929070a2d14d4a61b9fd188dd17e12464c3c51916c463d8ac532777dc6d92bd", kill_on_drop: false }`
[INFO] [stderr] warning: virtual workspace defaulting to `resolver = "1"` despite one or more workspace members being on edition 2021 which implies `resolver = "2"`
[INFO] [stderr] note: to keep the current resolver, specify `workspace.resolver = "1"` in the workspace root's manifest
[INFO] [stderr] note: to use the edition 2021 resolver, specify `workspace.resolver = "2"` in the workspace root's manifest
[INFO] [stderr] note: for more details see https://doc.rust-lang.org/cargo/reference/resolver.html#resolver-versions
[INFO] [stderr]    Compiling proc-macro2 v1.0.47
[INFO] [stderr]    Compiling unicode-ident v1.0.5
[INFO] [stderr]    Compiling quote v1.0.21
[INFO] [stderr]    Compiling syn v1.0.105
[INFO] [stderr]    Compiling libc v0.2.138
[INFO] [stderr]    Compiling version_check v0.9.4
[INFO] [stderr]     Checking cfg-if v1.0.0
[INFO] [stderr]    Compiling serde_derive v1.0.150
[INFO] [stderr]    Compiling serde v1.0.150
[INFO] [stderr]    Compiling autocfg v1.1.0
[INFO] [stderr]    Compiling typenum v1.16.0
[INFO] [stderr]    Compiling log v0.4.17
[INFO] [stderr]     Checking once_cell v1.16.0
[INFO] [stderr]     Checking subtle v2.4.1
[INFO] [stderr]    Compiling memchr v2.5.0
[INFO] [stderr]     Checking lazy_static v1.4.0
[INFO] [stderr]     Checking itoa v1.0.4
[INFO] [stderr]    Compiling semver v1.0.14
[INFO] [stderr]     Checking fnv v1.0.7
[INFO] [stderr]    Compiling futures-core v0.3.25
[INFO] [stderr]    Compiling getrandom v0.1.16
[INFO] [stderr]     Checking tinyvec_macros v0.1.0
[INFO] [stderr]    Compiling crunchy v0.2.2
[INFO] [stderr]     Checking tinyvec v1.6.0
[INFO] [stderr]    Compiling crossbeam-utils v0.8.14
[INFO] [stderr]     Checking base64 v0.12.3
[INFO] [stderr]    Compiling serde_json v1.0.89
[INFO] [stderr]     Checking cfg-if v0.1.10
[INFO] [stderr]    Compiling generic-array v0.14.6
[INFO] [stderr]    Compiling ahash v0.7.6
[INFO] [stderr]     Checking ryu v1.0.11
[INFO] [stderr]     Checking spin v0.5.2
[INFO] [stderr]    Compiling slab v0.4.7
[INFO] [stderr]    Compiling memoffset v0.7.1
[INFO] [stdout] error[E0635]: unknown feature `proc_macro_span_shrink`
[INFO] [stdout]   --> /opt/rustwide/cargo-home/registry/src/index.crates.io-6f17d22bba15001f/proc-macro2-1.0.47/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] [stderr]     Checking bytes v0.5.6
[INFO] [stderr]     Checking untrusted v0.7.1
[INFO] [stderr]    Compiling crossbeam-epoch v0.9.13
[INFO] [stderr]    Compiling unicase v2.6.0
[INFO] [stderr]    Compiling futures-task v0.3.25
[INFO] [stderr]     Checking pin-project-lite v0.2.9
[INFO] [stderr]    Compiling unicode-xid v0.2.4
[INFO] [stderr]    Compiling rustc_version v0.4.0
[INFO] [stderr]     Checking pin-project-lite v0.1.12
[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] 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" "a929070a2d14d4a61b9fd188dd17e12464c3c51916c463d8ac532777dc6d92bd", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "a929070a2d14d4a61b9fd188dd17e12464c3c51916c463d8ac532777dc6d92bd", kill_on_drop: false }`
[INFO] [stdout] a929070a2d14d4a61b9fd188dd17e12464c3c51916c463d8ac532777dc6d92bd