[INFO] fetching crate coex 0.1.0...
[INFO] testing coex-0.1.0 against master#cdb45c87e2cd43495379f7e867e3cc15dcee9f93 for pr-145838-1
[INFO] extracting crate coex 0.1.0 into /workspace/builds/worker-7-tc1/source
[INFO] started tweaking crates.io crate coex 0.1.0
[INFO] finished tweaking crates.io crate coex 0.1.0
[INFO] tweaked toml for crates.io crate coex 0.1.0 written to /workspace/builds/worker-7-tc1/source/Cargo.toml
[INFO] validating manifest of crates.io crate coex 0.1.0 on toolchain cdb45c87e2cd43495379f7e867e3cc15dcee9f93
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+cdb45c87e2cd43495379f7e867e3cc15dcee9f93" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }`
[INFO] crate crates.io crate coex 0.1.0 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" "+cdb45c87e2cd43495379f7e867e3cc15dcee9f93" "fetch" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] [stderr]     Updating crates.io index
[INFO] [stderr]  Downloading crates ...
[INFO] [stderr]   Downloaded ruint-macro v1.0.2
[INFO] [stderr]   Downloaded svm-rs v0.2.18
[INFO] [stderr]   Downloaded uniswap_v3_math v0.2.26
[INFO] [stderr]   Downloaded scale-info-derive v2.3.1
[INFO] [stderr]   Downloaded ethers-addressbook v2.0.0
[INFO] [stderr]   Downloaded dunce v1.0.3
[INFO] [stderr]   Downloaded serde-aux v4.1.2
[INFO] [stderr]   Downloaded send_wrapper v0.5.0
[INFO] [stderr]   Downloaded ethers-contract-derive v2.0.0
[INFO] [stderr]   Downloaded async-trait v0.1.59
[INFO] [stderr]   Downloaded prettyplease v0.1.24
[INFO] [stderr]   Downloaded blake2 v0.10.5
[INFO] [stderr]   Downloaded portable-atomic v0.3.16
[INFO] [stderr]   Downloaded ethers-contract v2.0.0
[INFO] [stderr]   Downloaded indicatif v0.17.2
[INFO] [stderr]   Downloaded ethers-providers v2.0.0
[INFO] [stderr]   Downloaded parity-scale-codec v3.2.1
[INFO] [stderr]   Downloaded cfmms v0.6.1
[INFO] [stderr]   Downloaded ethers-core v2.0.0
[INFO] [stderr]   Downloaded rayon-core v1.10.1
[INFO] [stderr]   Downloaded lalrpop v0.19.8
[INFO] [stderr]   Downloaded ethers-contract-abigen v2.0.0
[INFO] [stderr]   Downloaded rustls v0.20.7
[INFO] [stderr]   Downloaded ethers-middleware v2.0.0
[INFO] [stderr]   Downloaded solang-parser v0.2.3
[INFO] [stderr]   Downloaded base64ct v1.0.1
[INFO] [stderr]   Downloaded serde v1.0.150
[INFO] [stderr]   Downloaded const-oid v0.9.1
[INFO] [stderr]   Downloaded scale-info v2.3.1
[INFO] [stderr]   Downloaded ethers v2.0.0
[INFO] [stderr]   Downloaded ethers-etherscan v2.0.0
[INFO] [stderr]   Downloaded enr v0.7.0
[INFO] [stderr]   Downloaded futures-executor v0.3.25
[INFO] [stderr]   Downloaded ws_stream_wasm v0.7.3
[INFO] [stderr]   Downloaded ethers-signers v2.0.0
[INFO] [stderr]   Downloaded auto_impl v1.0.1
[INFO] [stderr]   Downloaded lalrpop-util v0.19.8
[INFO] [stderr]   Downloaded serde_derive v1.0.150
[INFO] [stderr]   Downloaded ruint v1.7.0
[INFO] [stderr]   Downloaded cargo_metadata v0.15.3
[INFO] [stderr]   Downloaded parity-scale-codec-derive v3.1.3
[INFO] [stderr]   Downloaded dialoguer v0.8.0
[INFO] [stderr]   Downloaded num-bigfloat v1.6.2
[INFO] [stderr]   Downloaded zstd-sys v2.0.4+zstd.1.5.2
[INFO] [stderr]   Downloaded ethers-solc v2.0.0
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-7-tc1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-7-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" "+cdb45c87e2cd43495379f7e867e3cc15dcee9f93" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] e34649879fdcff4ee3a890780b7d1badcba4fc17e0859ab84ae89a2a85d9bd2b
[INFO] running `Command { std: "docker" "start" "-a" "e34649879fdcff4ee3a890780b7d1badcba4fc17e0859ab84ae89a2a85d9bd2b", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "e34649879fdcff4ee3a890780b7d1badcba4fc17e0859ab84ae89a2a85d9bd2b", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "e34649879fdcff4ee3a890780b7d1badcba4fc17e0859ab84ae89a2a85d9bd2b", kill_on_drop: false }`
[INFO] [stdout] e34649879fdcff4ee3a890780b7d1badcba4fc17e0859ab84ae89a2a85d9bd2b
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-7-tc1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-7-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" "+cdb45c87e2cd43495379f7e867e3cc15dcee9f93" "build" "--frozen" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] 0bdfb0c5277fedeb22e030270f47f6b9d986f1b28f118a0e9e4304d57601a9b7
[INFO] running `Command { std: "docker" "start" "-a" "0bdfb0c5277fedeb22e030270f47f6b9d986f1b28f118a0e9e4304d57601a9b7", kill_on_drop: false }`
[INFO] [stderr]    Compiling proc-macro2 v1.0.51
[INFO] [stderr]    Compiling quote v1.0.21
[INFO] [stderr]    Compiling unicode-ident v1.0.5
[INFO] [stderr]    Compiling syn v1.0.109
[INFO] [stderr]    Compiling libc v0.2.138
[INFO] [stderr]    Compiling serde_derive v1.0.150
[INFO] [stderr]    Compiling version_check v0.9.4
[INFO] [stderr]    Compiling autocfg v1.1.0
[INFO] [stderr]    Compiling typenum v1.16.0
[INFO] [stderr]    Compiling once_cell v1.17.1
[INFO] [stderr]    Compiling generic-array v0.14.6
[INFO] [stdout] error[E0635]: unknown feature `proc_macro_span_shrink`
[INFO] [stdout]   --> /opt/rustwide/cargo-home/registry/src/index.crates.io-1949cf8c6b5b557f/proc-macro2-1.0.51/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 serde v1.0.150
[INFO] [stderr]    Compiling subtle v2.4.1
[INFO] [stderr]    Compiling thiserror v1.0.39
[INFO] [stderr]    Compiling memchr v2.5.0
[INFO] [stderr]    Compiling ppv-lite86 v0.2.17
[INFO] [stderr]    Compiling crunchy v0.2.2
[INFO] [stderr]    Compiling base64ct v1.0.1
[INFO] [stderr]    Compiling itoa v1.0.4
[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" "0bdfb0c5277fedeb22e030270f47f6b9d986f1b28f118a0e9e4304d57601a9b7", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "0bdfb0c5277fedeb22e030270f47f6b9d986f1b28f118a0e9e4304d57601a9b7", kill_on_drop: false }`
[INFO] [stdout] 0bdfb0c5277fedeb22e030270f47f6b9d986f1b28f118a0e9e4304d57601a9b7