[INFO] fetching crate axon-abi 0.0.1...
[INFO] checking axon-abi-0.0.1 against try#b2fb67b8b6007ced9ad3f3b752a6fec899e7859c for pr-138915
[INFO] extracting crate axon-abi 0.0.1 into /workspace/builds/worker-7-tc2/source
[INFO] validating manifest of crates.io crate axon-abi 0.0.1 on toolchain b2fb67b8b6007ced9ad3f3b752a6fec899e7859c
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+b2fb67b8b6007ced9ad3f3b752a6fec899e7859c" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }`
[INFO] started tweaking crates.io crate axon-abi 0.0.1
[INFO] finished tweaking crates.io crate axon-abi 0.0.1
[INFO] tweaked toml for crates.io crate axon-abi 0.0.1 written to /workspace/builds/worker-7-tc2/source/Cargo.toml
[INFO] crate crates.io crate axon-abi 0.0.1 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" "+b2fb67b8b6007ced9ad3f3b752a6fec899e7859c" "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]     Blocking waiting for file lock on package cache
[INFO] [stderr]  Downloading crates ...
[INFO] [stderr]   Downloaded ethers v2.0.4
[INFO] [stderr]   Downloaded ethers-contract v2.0.4
[INFO] [stderr]   Downloaded ethers-etherscan v2.0.4
[INFO] [stderr]   Downloaded solang-parser v0.2.4
[INFO] [stderr]   Downloaded ethers-addressbook v2.0.4
[INFO] [stderr]   Downloaded ckb-fixed-hash-macros v0.110.0
[INFO] [stderr]   Downloaded ckb-channel v0.110.0
[INFO] [stderr]   Downloaded ckb-fixed-hash-core v0.110.0
[INFO] [stderr]   Downloaded axon-tools v0.0.11
[INFO] [stderr]   Downloaded ckb-occupied-capacity v0.110.0
[INFO] [stderr]   Downloaded numext-constructor v0.1.6
[INFO] [stderr]   Downloaded ckb-occupied-capacity-macros v0.110.0
[INFO] [stderr]   Downloaded ethers-providers v2.0.4
[INFO] [stderr]   Downloaded blake2b-ref v0.2.1
[INFO] [stderr]   Downloaded blake2b-rs v0.2.0
[INFO] [stderr]   Downloaded ckb-types v0.110.0
[INFO] [stderr]   Downloaded ckb-rational v0.110.0
[INFO] [stderr]   Downloaded numext-fixed-uint-core v0.1.6
[INFO] [stderr]   Downloaded ethers-core v2.0.4
[INFO] [stderr]   Downloaded ethers-solc v2.0.4
[INFO] [stderr]   Downloaded ethers-contract-abigen v2.0.4
[INFO] [stderr]   Downloaded merkle-cbt v0.3.2
[INFO] [stderr]   Downloaded molecule v0.7.3
[INFO] [stderr]   Downloaded ethers-contract-derive v2.0.4
[INFO] [stderr]   Downloaded ethers-middleware v2.0.4
[INFO] [stderr]   Downloaded ethers-signers v2.0.4
[INFO] [stderr]   Downloaded ckb-jsonrpc-types v0.110.0
[INFO] [stderr]   Downloaded ckb-error v0.110.0
[INFO] [stderr]   Downloaded ckb-hash v0.110.0
[INFO] [stderr]   Downloaded golomb-coded-set v0.2.0
[INFO] [stderr]   Downloaded ckb-fixed-hash v0.110.0
[INFO] [stderr]   Downloaded ckb-occupied-capacity-core v0.110.0
[INFO] [stderr]   Downloaded numext-fixed-uint-hack v0.1.6
[INFO] [stderr]   Downloaded numext-fixed-uint v0.1.6
[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@sha256:4b26683ee3c49f365255c425c23003cbf4366de097804722c29c5bbbee3624d2" "/opt/rustwide/cargo-home/bin/cargo" "+b2fb67b8b6007ced9ad3f3b752a6fec899e7859c" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] ffebf22665232629ed0cc4146e9653c853ce64d43bad035bc97505e43c46918d
[INFO] running `Command { std: "docker" "start" "-a" "ffebf22665232629ed0cc4146e9653c853ce64d43bad035bc97505e43c46918d", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "ffebf22665232629ed0cc4146e9653c853ce64d43bad035bc97505e43c46918d", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "ffebf22665232629ed0cc4146e9653c853ce64d43bad035bc97505e43c46918d", kill_on_drop: false }`
[INFO] [stdout] ffebf22665232629ed0cc4146e9653c853ce64d43bad035bc97505e43c46918d
[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@sha256:4b26683ee3c49f365255c425c23003cbf4366de097804722c29c5bbbee3624d2" "/opt/rustwide/cargo-home/bin/cargo" "+b2fb67b8b6007ced9ad3f3b752a6fec899e7859c" "check" "--frozen" "--all" "--all-targets" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] 714b778fdf6eb288197cea8b55f331a9da15372a661d83c5fa292e92557d4df3
[INFO] running `Command { std: "docker" "start" "-a" "714b778fdf6eb288197cea8b55f331a9da15372a661d83c5fa292e92557d4df3", kill_on_drop: false }`
[INFO] [stderr]    Compiling proc-macro2 v1.0.58
[INFO] [stderr]    Compiling quote v1.0.27
[INFO] [stderr]    Compiling unicode-ident v1.0.8
[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]    Compiling cfg-if v1.0.0
[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 thiserror v1.0.40
[INFO] [stderr]    Compiling generic-array v0.14.7
[INFO] [stderr]    Compiling indexmap v1.9.3
[INFO] [stderr]    Compiling winnow v0.4.6
[INFO] [stderr]    Compiling log v0.4.17
[INFO] [stderr]     Checking const-oid v0.9.2
[INFO] [stderr]     Checking subtle v2.5.0
[INFO] [stderr]    Compiling memchr v2.5.0
[INFO] [stderr]    Compiling crunchy v0.2.2
[INFO] [stderr]    Compiling ppv-lite86 v0.2.17
[INFO] [stderr]    Compiling cc v1.0.79
[INFO] [stderr]     Checking itoa v1.0.6
[INFO] [stderr]     Checking cpufeatures v0.2.7
[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 pin-project-lite v0.2.9
[INFO] [stderr]     Checking hex v0.4.3
[INFO] [stderr]    Compiling num-traits v0.2.15
[INFO] [stderr]     Checking rustc-hex v2.1.0
[INFO] [stderr]     Checking der v0.7.6
[INFO] [stderr]    Compiling proc-macro-error-attr v1.0.4
[INFO] [stderr]     Checking untrusted v0.7.1
[INFO] [stderr]     Checking byte-slice-cast v1.2.2
[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" "714b778fdf6eb288197cea8b55f331a9da15372a661d83c5fa292e92557d4df3", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "714b778fdf6eb288197cea8b55f331a9da15372a661d83c5fa292e92557d4df3", kill_on_drop: false }`
[INFO] [stdout] 714b778fdf6eb288197cea8b55f331a9da15372a661d83c5fa292e92557d4df3