[INFO] fetching crate pair_sync 0.4.3...
[INFO] checking pair_sync-0.4.3 against master#8c32e313cccf7df531e2d49ffb8227bb92304aee for pr-145608-1
[INFO] extracting crate pair_sync 0.4.3 into /workspace/builds/worker-2-tc1/source
[INFO] started tweaking crates.io crate pair_sync 0.4.3
[INFO] finished tweaking crates.io crate pair_sync 0.4.3
[INFO] tweaked toml for crates.io crate pair_sync 0.4.3 written to /workspace/builds/worker-2-tc1/source/Cargo.toml
[INFO] validating manifest of crates.io crate pair_sync 0.4.3 on toolchain 8c32e313cccf7df531e2d49ffb8227bb92304aee
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+8c32e313cccf7df531e2d49ffb8227bb92304aee" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }`
[INFO] crate crates.io crate pair_sync 0.4.3 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" "+8c32e313cccf7df531e2d49ffb8227bb92304aee" "fetch" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] [stderr]     Updating crates.io index
[INFO] [stderr]  Downloading crates ...
[INFO] [stderr]   Downloaded ethers-signers v0.17.0
[INFO] [stderr]   Downloaded base64ct v1.0.1
[INFO] [stderr]   Downloaded console v0.15.2
[INFO] [stderr]   Downloaded ethereum-types v0.13.1
[INFO] [stderr]   Downloaded base58check v0.1.0
[INFO] [stderr]   Downloaded ethbloom v0.12.1
[INFO] [stderr]   Downloaded coins-bip32 v0.7.0
[INFO] [stderr]   Downloaded portable-atomic v0.3.15
[INFO] [stderr]   Downloaded dunce v1.0.3
[INFO] [stderr]   Downloaded serde-aux v3.1.0
[INFO] [stderr]   Downloaded ethers-etherscan v0.17.0
[INFO] [stderr]   Downloaded futures-locks v0.7.0
[INFO] [stderr]   Downloaded password-hash v0.3.2
[INFO] [stderr]   Downloaded ethers-addressbook v0.17.0
[INFO] [stderr]   Downloaded ethers-contract-abigen v0.17.0
[INFO] [stderr]   Downloaded ethers-contract-derive v0.17.0
[INFO] [stderr]   Downloaded reqwest v0.11.13
[INFO] [stderr]   Downloaded blake2 v0.10.5
[INFO] [stderr]   Downloaded syn v1.0.104
[INFO] [stderr]   Downloaded eth-keystore v0.4.2
[INFO] [stderr]   Downloaded parity-scale-codec v3.2.1
[INFO] [stderr]   Downloaded ethers-core v0.17.0
[INFO] [stderr]   Downloaded ethers-middleware v0.17.0
[INFO] [stderr]   Downloaded hyper-rustls v0.23.1
[INFO] [stderr]   Downloaded ethers-providers v0.17.0
[INFO] [stderr]   Downloaded async-trait v0.1.59
[INFO] [stderr]   Downloaded coins-core v0.7.0
[INFO] [stderr]   Downloaded coins-bip39 v0.7.0
[INFO] [stderr]   Downloaded ethabi v17.2.0
[INFO] [stderr]   Downloaded fastrlp-derive v0.1.4
[INFO] [stderr]   Downloaded ethers v0.17.0
[INFO] [stderr]   Downloaded num-bigfloat v1.6.0
[INFO] [stderr]   Downloaded ethers-contract v0.17.0
[INFO] [stderr]   Downloaded indicatif v0.17.2
[INFO] [stderr]   Downloaded send_wrapper v0.5.0
[INFO] [stderr]   Downloaded ws_stream_wasm v0.7.3
[INFO] [stderr]   Downloaded bech32 v0.7.3
[INFO] [stderr]   Downloaded pbkdf2 v0.10.1
[INFO] [stderr]   Downloaded scrypt v0.8.1
[INFO] [stderr]   Downloaded cargo_metadata v0.15.2
[INFO] [stderr]   Downloaded parity-scale-codec-derive v3.1.3
[INFO] [stderr]   Downloaded fastrlp v0.1.3
[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@sha256:7ad1b28ee6f5f7f699f6cf7015098d6ccdd96d6f2d78dd06228f5b4c9faf309c" "/opt/rustwide/cargo-home/bin/cargo" "+8c32e313cccf7df531e2d49ffb8227bb92304aee" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] 46dc27d4dfaf67265ab774acc2e582b7c0aa1be1ccc02656dd8eaa721fe779f7
[INFO] running `Command { std: "docker" "start" "-a" "46dc27d4dfaf67265ab774acc2e582b7c0aa1be1ccc02656dd8eaa721fe779f7", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "46dc27d4dfaf67265ab774acc2e582b7c0aa1be1ccc02656dd8eaa721fe779f7", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "46dc27d4dfaf67265ab774acc2e582b7c0aa1be1ccc02656dd8eaa721fe779f7", kill_on_drop: false }`
[INFO] [stdout] 46dc27d4dfaf67265ab774acc2e582b7c0aa1be1ccc02656dd8eaa721fe779f7
[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@sha256:7ad1b28ee6f5f7f699f6cf7015098d6ccdd96d6f2d78dd06228f5b4c9faf309c" "/opt/rustwide/cargo-home/bin/cargo" "+8c32e313cccf7df531e2d49ffb8227bb92304aee" "check" "--frozen" "--all" "--all-targets" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] edf4e6be78db38d0fd5216b3e3e996e2ffee1a4892998da6d5a9541264b78d99
[INFO] running `Command { std: "docker" "start" "-a" "edf4e6be78db38d0fd5216b3e3e996e2ffee1a4892998da6d5a9541264b78d99", 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 v1.0.104
[INFO] [stderr]    Compiling libc v0.2.137
[INFO] [stderr]    Compiling serde_derive v1.0.148
[INFO] [stderr]    Compiling serde v1.0.148
[INFO] [stderr]    Compiling typenum v1.15.0
[INFO] [stderr]    Compiling generic-array v0.14.6
[INFO] [stderr]    Compiling once_cell v1.16.0
[INFO] [stderr]    Compiling thiserror v1.0.37
[INFO] [stderr]     Checking subtle v2.4.1
[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-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] [stderr]    Compiling crunchy v0.2.2
[INFO] [stderr]    Compiling futures-core v0.3.25
[INFO] [stderr]    Compiling cc v1.0.77
[INFO] [stderr]     Checking byteorder v1.4.3
[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" "edf4e6be78db38d0fd5216b3e3e996e2ffee1a4892998da6d5a9541264b78d99", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "edf4e6be78db38d0fd5216b3e3e996e2ffee1a4892998da6d5a9541264b78d99", kill_on_drop: false }`
[INFO] [stdout] edf4e6be78db38d0fd5216b3e3e996e2ffee1a4892998da6d5a9541264b78d99