[INFO] cloning repository https://github.com/vjgaur/substrate-proof-of-work
[INFO] running `Command { std: "git" "-c" "credential.helper=" "-c" "credential.helper=/workspace/cargo-home/bin/git-credential-null" "clone" "--bare" "https://github.com/vjgaur/substrate-proof-of-work" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fvjgaur%2Fsubstrate-proof-of-work", kill_on_drop: false }`
[INFO] [stderr] Cloning into bare repository '/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fvjgaur%2Fsubstrate-proof-of-work'...
[INFO] running `Command { std: "git" "rev-parse" "HEAD", kill_on_drop: false }`
[INFO] [stdout] bf1809377c5440d0397066abb515b78bd65d2262
[INFO] checking vjgaur/substrate-proof-of-work/bf1809377c5440d0397066abb515b78bd65d2262 against master#fce0e74720d199eb7839fdb51af35ac5226da178 for pr-145262
[INFO] running `Command { std: "git" "clone" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fvjgaur%2Fsubstrate-proof-of-work" "/workspace/builds/worker-7-tc1/source", kill_on_drop: false }`
[INFO] [stderr] Cloning into '/workspace/builds/worker-7-tc1/source'...
[INFO] [stderr] done.
[INFO] started tweaking git repo https://github.com/vjgaur/substrate-proof-of-work
[INFO] finished tweaking git repo https://github.com/vjgaur/substrate-proof-of-work
[INFO] tweaked toml for git repo https://github.com/vjgaur/substrate-proof-of-work written to /workspace/builds/worker-7-tc1/source/Cargo.toml
[INFO] validating manifest of git repo https://github.com/vjgaur/substrate-proof-of-work on toolchain fce0e74720d199eb7839fdb51af35ac5226da178
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+fce0e74720d199eb7839fdb51af35ac5226da178" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }`
[INFO] crate git repo https://github.com/vjgaur/substrate-proof-of-work 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" "+fce0e74720d199eb7839fdb51af35ac5226da178" "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]     Blocking waiting for file lock on package cache
[INFO] [stderr]     Updating git repository `https://github.com/paritytech/substrate.git`
[INFO] [stderr]  Downloading crates ...
[INFO] [stderr]   Downloaded zeroize v1.5.4
[INFO] [stderr]   Downloaded parity-scale-codec v3.1.2
[INFO] [stderr]   Downloaded bitvec v1.0.0
[INFO] [stderr]   Downloaded rustls-pemfile v1.0.0
[INFO] [stderr]   Downloaded jsonrpsee-ws-client v0.10.1
[INFO] [stderr]   Downloaded secp256k1 v0.21.3
[INFO] [stderr]   Downloaded jsonrpsee-proc-macros v0.10.1
[INFO] [stderr]   Downloaded serde_nanos v0.1.2
[INFO] [stderr]   Downloaded jsonrpsee-core v0.10.1
[INFO] [stderr]   Downloaded kvdb-rocksdb v0.15.2
[INFO] [stderr]   Downloaded finality-grandpa v0.15.0
[INFO] [stderr]   Downloaded rustls v0.20.4
[INFO] [stderr]   Downloaded redox_users v0.4.2
[INFO] [stderr]   Downloaded parity-util-mem v0.11.0
[INFO] [stderr]   Downloaded jsonrpsee-client-transport v0.10.1
[INFO] [stderr]   Downloaded jsonrpsee-types v0.10.1
[INFO] [stderr]   Downloaded kvdb-memorydb v0.11.0
[INFO] [stderr]   Downloaded parity-db v0.3.9
[INFO] [stderr]   Downloaded memory-db v0.29.0
[INFO] [stderr]   Downloaded ed25519 v1.4.1
[INFO] [stderr]   Downloaded secp256k1-sys v0.4.2
[INFO] [stderr]   Downloaded tokio-rustls v0.23.3
[INFO] [stderr]   Downloaded beef v0.5.1
[INFO] [stderr]   Downloaded jsonrpsee v0.10.1
[INFO] [stderr]   Downloaded kvdb v0.11.0
[INFO] [stderr]   Downloaded dyn-clone v1.0.5
[INFO] [stderr]   Downloaded rocksdb v0.18.0
[INFO] [stderr]   Downloaded scale-info v2.1.2
[INFO] [stderr]   Downloaded parity-scale-codec-derive v3.1.2
[INFO] [stderr]   Downloaded scale-info-derive v2.1.2
[INFO] [stderr]   Downloaded ss58-registry v1.17.0
[INFO] [stderr]   Downloaded frame-metadata v15.0.0
[INFO] [stderr]   Downloaded tokio-util v0.7.1
[INFO] [stderr]   Downloaded webpki-roots v0.22.3
[INFO] [stderr]   Downloaded tikv-jemalloc-sys v0.4.3+5.2.1-patched.2
[INFO] [stderr]   Downloaded librocksdb-sys v0.6.1+6.28.2
[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" "+fce0e74720d199eb7839fdb51af35ac5226da178" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] 4650360dcafc7f6e40153bfab5aa9d6dbfd5cc68528d72e7b65e6a9a1c8f34ea
[INFO] running `Command { std: "docker" "start" "-a" "4650360dcafc7f6e40153bfab5aa9d6dbfd5cc68528d72e7b65e6a9a1c8f34ea", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "4650360dcafc7f6e40153bfab5aa9d6dbfd5cc68528d72e7b65e6a9a1c8f34ea", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "4650360dcafc7f6e40153bfab5aa9d6dbfd5cc68528d72e7b65e6a9a1c8f34ea", kill_on_drop: false }`
[INFO] [stdout] 4650360dcafc7f6e40153bfab5aa9d6dbfd5cc68528d72e7b65e6a9a1c8f34ea
[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" "+fce0e74720d199eb7839fdb51af35ac5226da178" "check" "--frozen" "--all" "--all-targets" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] 0b573c841bee40c26b95f8ba5ff0c22de6bca0cd71f0d79e20cc3c940752095f
[INFO] running `Command { std: "docker" "start" "-a" "0b573c841bee40c26b95f8ba5ff0c22de6bca0cd71f0d79e20cc3c940752095f", 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 v1.0.36
[INFO] [stderr]    Compiling unicode-xid v0.2.2
[INFO] [stderr]    Compiling syn v1.0.89
[INFO] [stderr]    Compiling libc v0.2.121
[INFO] [stderr]    Compiling version_check v0.9.4
[INFO] [stderr]    Compiling serde_derive v1.0.136
[INFO] [stderr]    Compiling serde v1.0.136
[INFO] [stderr]    Compiling memchr v2.4.1
[INFO] [stderr]    Compiling autocfg v1.1.0
[INFO] [stderr]    Compiling log v0.4.14
[INFO] [stderr]    Compiling typenum v1.15.0
[INFO] [stderr]     Checking once_cell v1.10.0
[INFO] [stderr]     Checking pin-project-lite v0.2.8
[INFO] [stderr]     Checking smallvec v1.8.0
[INFO] [stderr]    Compiling futures-core v0.3.21
[INFO] [stderr]     Checking ppv-lite86 v0.2.16
[INFO] [stderr]     Checking lazy_static v1.4.0
[INFO] [stderr]     Checking scopeguard v1.1.0
[INFO] [stderr]     Checking slab v0.4.5
[INFO] [stderr]     Checking futures-io v0.3.21
[INFO] [stderr]     Checking lock_api v0.4.6
[INFO] [stderr]     Checking futures-sink v0.3.21
[INFO] [stderr]    Compiling regex-syntax v0.6.25
[INFO] [stderr]    Compiling futures-task v0.3.21
[INFO] [stderr]    Compiling futures-channel v0.3.21
[INFO] [stderr]    Compiling anyhow v1.0.56
[INFO] [stderr]    Compiling futures-util v0.3.21
[INFO] [stderr]     Checking futures v0.1.31
[INFO] [stderr]    Compiling indexmap v1.8.0
[INFO] [stderr]     Checking byteorder v1.4.3
[INFO] [stdout] error[E0422]: cannot find struct, variant or union type `LineColumn` in crate `proc_macro`
[INFO] [stdout]    --> /opt/rustwide/cargo-home/registry/src/index.crates.io-1949cf8c6b5b557f/proc-macro2-1.0.36/src/wrapper.rs:485:33
[INFO] [stdout]     |
[INFO] [stdout] 485 |                 let proc_macro::LineColumn { line, column } = s.start();
[INFO] [stdout]     |                                 ^^^^^^^^^^ not found in `proc_macro`
[INFO] [stdout]     |
[INFO] [stdout] help: consider importing one of these structs
[INFO] [stdout]     |
[INFO] [stdout]   1 + use crate::LineColumn;
[INFO] [stdout]     |
[INFO] [stdout]   1 + use crate::fallback::LineColumn;
[INFO] [stdout]     |
[INFO] [stdout] help: if you import `LineColumn`, refer to it directly
[INFO] [stdout]     |
[INFO] [stdout] 485 -                 let proc_macro::LineColumn { line, column } = s.start();
[INFO] [stdout] 485 +                 let LineColumn { line, column } = s.start();
[INFO] [stdout]     |
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error[E0422]: cannot find struct, variant or union type `LineColumn` in crate `proc_macro`
[INFO] [stdout]    --> /opt/rustwide/cargo-home/registry/src/index.crates.io-1949cf8c6b5b557f/proc-macro2-1.0.36/src/wrapper.rs:502:33
[INFO] [stdout]     |
[INFO] [stdout] 502 |                 let proc_macro::LineColumn { line, column } = s.end();
[INFO] [stdout]     |                                 ^^^^^^^^^^ not found in `proc_macro`
[INFO] [stdout]     |
[INFO] [stdout] help: consider importing one of these structs
[INFO] [stdout]     |
[INFO] [stdout]   1 + use crate::LineColumn;
[INFO] [stdout]     |
[INFO] [stdout]   1 + use crate::fallback::LineColumn;
[INFO] [stdout]     |
[INFO] [stdout] help: if you import `LineColumn`, refer to it directly
[INFO] [stdout]     |
[INFO] [stdout] 502 -                 let proc_macro::LineColumn { line, column } = s.end();
[INFO] [stdout] 502 +                 let LineColumn { line, column } = s.end();
[INFO] [stdout]     |
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr]     Checking cpufeatures v0.2.2
[INFO] [stderr]    Compiling value-bag v1.0.0-alpha.8
[INFO] [stderr]    Compiling generic-array v0.14.5
[INFO] [stderr]    Compiling ahash v0.7.6
[INFO] [stderr]     Checking opaque-debug v0.3.0
[INFO] [stderr]    Compiling parking_lot_core v0.8.5
[INFO] [stderr]    Compiling getrandom v0.1.16
[INFO] [stderr]     Checking instant v0.1.12
[INFO] [stderr]    Compiling aho-corasick v0.7.18
[INFO] [stderr]    Compiling crunchy v0.2.2
[INFO] [stderr]     Checking static_assertions v1.1.0
[INFO] [stderr]    Compiling subtle v2.4.1
[INFO] [stderr]     Checking tinyvec_macros v0.1.0
[INFO] [stderr]     Checking base64 v0.13.0
[INFO] [stderr]     Checking arrayref v0.3.6
[INFO] [stderr]     Checking tinyvec v1.5.1
[INFO] [stdout] For more information about this error, try `rustc --explain E0422`.
[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" "0b573c841bee40c26b95f8ba5ff0c22de6bca0cd71f0d79e20cc3c940752095f", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "0b573c841bee40c26b95f8ba5ff0c22de6bca0cd71f0d79e20cc3c940752095f", kill_on_drop: false }`
[INFO] [stdout] 0b573c841bee40c26b95f8ba5ff0c22de6bca0cd71f0d79e20cc3c940752095f