[INFO] cloning repository https://github.com/Corn3333/Rust_mempool_ethers
[INFO] running `Command { std: "git" "-c" "credential.helper=" "-c" "credential.helper=/workspace/cargo-home/bin/git-credential-null" "clone" "--bare" "https://github.com/Corn3333/Rust_mempool_ethers" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2FCorn3333%2FRust_mempool_ethers", kill_on_drop: false }`
[INFO] [stderr] Cloning into bare repository '/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2FCorn3333%2FRust_mempool_ethers'...
[INFO] running `Command { std: "git" "rev-parse" "HEAD", kill_on_drop: false }`
[INFO] [stdout] 685a12cde0902ecb0c87bef19d49507f99fb94fe
[INFO] checking Corn3333/Rust_mempool_ethers against master#5a45ab9738330fb317d49e3594c2db5248b1e971 for pr-136303
[INFO] running `Command { std: "git" "clone" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2FCorn3333%2FRust_mempool_ethers" "/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/Corn3333/Rust_mempool_ethers on toolchain 5a45ab9738330fb317d49e3594c2db5248b1e971
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+5a45ab9738330fb317d49e3594c2db5248b1e971" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }`
[INFO] started tweaking git repo https://github.com/Corn3333/Rust_mempool_ethers
[INFO] finished tweaking git repo https://github.com/Corn3333/Rust_mempool_ethers
[INFO] tweaked toml for git repo https://github.com/Corn3333/Rust_mempool_ethers written to /workspace/builds/worker-1-tc1/source/Cargo.toml
[INFO] crate git repo https://github.com/Corn3333/Rust_mempool_ethers 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" "+5a45ab9738330fb317d49e3594c2db5248b1e971" "fetch" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] [stderr]  Downloading crates ...
[INFO] [stderr]   Downloaded ethers v2.0.4
[INFO] [stderr]   Downloaded wasm-bindgen-futures v0.4.36
[INFO] [stderr]   Downloaded hyper-rustls v0.24.0
[INFO] [stderr]   Downloaded svm-rs v0.2.23
[INFO] [stderr]   Downloaded ethers-addressbook v2.0.4
[INFO] [stderr]   Downloaded lalrpop-util v0.19.12
[INFO] [stderr]   Downloaded solang-parser v0.2.4
[INFO] [stderr]   Downloaded coins-core v0.8.3
[INFO] [stderr]   Downloaded ethers-contract-derive v2.0.4
[INFO] [stderr]   Downloaded enr v0.8.1
[INFO] [stderr]   Downloaded toml v0.7.4
[INFO] [stderr]   Downloaded prettyplease v0.2.6
[INFO] [stderr]   Downloaded ethers-providers v2.0.4
[INFO] [stderr]   Downloaded coins-bip39 v0.8.6
[INFO] [stderr]   Downloaded ethers-solc v2.0.4
[INFO] [stderr]   Downloaded ethers-contract-abigen v2.0.4
[INFO] [stderr]   Downloaded scale-info v2.7.0
[INFO] [stderr]   Downloaded ethers-core v2.0.4
[INFO] [stderr]   Downloaded syn v2.0.17
[INFO] [stderr]   Downloaded serde_spanned v0.6.2
[INFO] [stderr]   Downloaded lalrpop v0.19.12
[INFO] [stderr]   Downloaded scale-info-derive v2.6.0
[INFO] [stderr]   Downloaded regex v1.8.3
[INFO] [stderr]   Downloaded ethers-contract v2.0.4
[INFO] [stderr]   Downloaded ethers-etherscan v2.0.4
[INFO] [stderr]   Downloaded ethers-middleware v2.0.4
[INFO] [stderr]   Downloaded coins-bip32 v0.8.3
[INFO] [stderr]   Downloaded ethers-signers v2.0.4
[INFO] [stderr]   Downloaded web-sys v0.3.63
[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:c80049f3b88b82089a44e0f06d0d6029d44b96b7257e55a1cd63dbc9f4c33334" "/opt/rustwide/cargo-home/bin/cargo" "+5a45ab9738330fb317d49e3594c2db5248b1e971" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] a01a485d6493f3a08d397b28764307201940df59f10260cafb47299d1a5be865
[INFO] running `Command { std: "docker" "start" "-a" "a01a485d6493f3a08d397b28764307201940df59f10260cafb47299d1a5be865", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "a01a485d6493f3a08d397b28764307201940df59f10260cafb47299d1a5be865", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "a01a485d6493f3a08d397b28764307201940df59f10260cafb47299d1a5be865", kill_on_drop: false }`
[INFO] [stdout] a01a485d6493f3a08d397b28764307201940df59f10260cafb47299d1a5be865
[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:c80049f3b88b82089a44e0f06d0d6029d44b96b7257e55a1cd63dbc9f4c33334" "/opt/rustwide/cargo-home/bin/cargo" "+5a45ab9738330fb317d49e3594c2db5248b1e971" "check" "--frozen" "--all" "--all-targets" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] 8e2eb00ed2f077524885fadf009fbd890e5ec16e2b72a09f72d85498897fca2b
[INFO] running `Command { std: "docker" "start" "-a" "8e2eb00ed2f077524885fadf009fbd890e5ec16e2b72a09f72d85498897fca2b", kill_on_drop: false }`
[INFO] [stderr]    Compiling proc-macro2 v1.0.59
[INFO] [stderr]    Compiling quote v1.0.28
[INFO] [stderr]    Compiling unicode-ident v1.0.9
[INFO] [stderr]    Compiling libc v0.2.144
[INFO] [stderr]    Compiling typenum v1.16.0
[INFO] [stderr]    Compiling serde v1.0.163
[INFO] [stderr]    Compiling syn v1.0.109
[INFO] [stderr]     Checking zeroize v1.6.0
[INFO] [stderr]    Compiling once_cell v1.17.1
[INFO] [stderr]    Compiling hashbrown v0.12.3
[INFO] [stderr]    Compiling winnow v0.4.6
[INFO] [stderr]    Compiling generic-array v0.14.7
[INFO] [stderr]    Compiling indexmap v1.9.3
[INFO] [stderr]     Checking const-oid v0.9.2
[INFO] [stderr]    Compiling log v0.4.17
[INFO] [stderr]     Checking subtle v2.5.0
[INFO] [stderr]    Compiling memchr v2.5.0
[INFO] [stderr]    Compiling crunchy v0.2.2
[INFO] [stderr]    Compiling thiserror v1.0.40
[INFO] [stderr]    Compiling lock_api v0.4.9
[INFO] [stderr]    Compiling parking_lot_core v0.9.7
[INFO] [stderr]     Checking cpufeatures v0.2.7
[INFO] [stderr]     Checking ppv-lite86 v0.2.17
[INFO] [stderr]     Checking itoa v1.0.6
[INFO] [stderr]    Compiling cc v1.0.79
[INFO] [stderr]     Checking scopeguard v1.1.0
[INFO] [stderr]     Checking pin-project-lite v0.2.9
[INFO] [stdout] error[E0635]: unknown feature `proc_macro_span_shrink`
[INFO] [stdout]   --> /opt/rustwide/cargo-home/registry/src/index.crates.io-1949cf8c6b5b557f/proc-macro2-1.0.59/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 num-traits v0.2.15
[INFO] [stderr]     Checking hex v0.4.3
[INFO] [stderr]     Checking der v0.7.6
[INFO] [stderr]     Checking untrusted v0.7.1
[INFO] [stderr]     Checking spin v0.5.2
[INFO] [stderr]     Checking rustc-hex v2.1.0
[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" "8e2eb00ed2f077524885fadf009fbd890e5ec16e2b72a09f72d85498897fca2b", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "8e2eb00ed2f077524885fadf009fbd890e5ec16e2b72a09f72d85498897fca2b", kill_on_drop: false }`
[INFO] [stdout] 8e2eb00ed2f077524885fadf009fbd890e5ec16e2b72a09f72d85498897fca2b
