[INFO] cloning repository https://github.com/tetcoin/grandpa-bridge-gadget
[INFO] running `Command { std: "git" "-c" "credential.helper=" "-c" "credential.helper=/workspace/cargo-home/bin/git-credential-null" "clone" "--bare" "https://github.com/tetcoin/grandpa-bridge-gadget" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Ftetcoin%2Fgrandpa-bridge-gadget", kill_on_drop: false }`
[INFO] [stderr] Cloning into bare repository '/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Ftetcoin%2Fgrandpa-bridge-gadget'...
[INFO] running `Command { std: "git" "rev-parse" "HEAD", kill_on_drop: false }`
[INFO] [stdout] 8a4ebfd843fde37e0980bc1494bfcb182722c50e
[INFO] checking tetcoin/grandpa-bridge-gadget against master#af4a5a13a15fa0c60e06321077ef452f769b42fd for pr-122960-4
[INFO] running `Command { std: "git" "clone" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Ftetcoin%2Fgrandpa-bridge-gadget" "/workspace/builds/worker-7-tc1/source", kill_on_drop: false }`
[INFO] [stderr] Cloning into '/workspace/builds/worker-7-tc1/source'...
[INFO] [stderr] done.
[INFO] validating manifest of git repo https://github.com/tetcoin/grandpa-bridge-gadget on toolchain af4a5a13a15fa0c60e06321077ef452f769b42fd
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+af4a5a13a15fa0c60e06321077ef452f769b42fd" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }`
[INFO] started tweaking git repo https://github.com/tetcoin/grandpa-bridge-gadget
[INFO] finished tweaking git repo https://github.com/tetcoin/grandpa-bridge-gadget
[INFO] tweaked toml for git repo https://github.com/tetcoin/grandpa-bridge-gadget written to /workspace/builds/worker-7-tc1/source/Cargo.toml
[INFO] crate git repo https://github.com/tetcoin/grandpa-bridge-gadget 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" "+af4a5a13a15fa0c60e06321077ef452f769b42fd" "fetch" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] [stderr]     Blocking waiting for file lock on package cache
[INFO] [stderr]     Blocking waiting for file lock on package cache
[INFO] [stderr]  Downloading crates ...
[INFO] [stderr]   Downloaded kvdb v0.8.0
[INFO] [stderr]   Downloaded memory-db v0.25.0
[INFO] [stderr]   Downloaded libp2p v0.34.0
[INFO] [stderr]   Downloaded parity-util-mem v0.8.0
[INFO] [stderr]   Downloaded trie-db v0.22.3
[INFO] [stderr]   Downloaded libp2p-floodsub v0.27.0
[INFO] [stderr]   Downloaded libp2p-plaintext v0.27.0
[INFO] [stderr]   Downloaded minicbor v0.7.1
[INFO] [stderr]   Downloaded wat v1.0.33
[INFO] [stderr]   Downloaded libp2p-core-derive v0.21.0
[INFO] [stderr]   Downloaded kvdb-memorydb v0.8.0
[INFO] [stderr]   Downloaded libp2p-tcp v0.27.0
[INFO] [stderr]   Downloaded libp2p-identify v0.27.0
[INFO] [stderr]   Downloaded libp2p-request-response v0.9.0
[INFO] [stderr]   Downloaded libp2p-swarm v0.27.1
[INFO] [stderr]   Downloaded kvdb-rocksdb v0.10.0
[INFO] [stderr]   Downloaded wast v32.0.0
[INFO] [stderr]   Downloaded libp2p-kad v0.28.0
[INFO] [stderr]   Downloaded libp2p-core v0.27.0
[INFO] [stderr]   Downloaded libp2p-wasm-ext v0.27.0
[INFO] [stderr]   Downloaded multistream-select v0.10.0
[INFO] [stderr]   Downloaded linregress v0.4.0
[INFO] [stderr]   Downloaded libp2p-mdns v0.28.0
[INFO] [stderr]   Downloaded libp2p-mplex v0.27.0
[INFO] [stderr]   Downloaded libp2p-ping v0.27.0
[INFO] [stderr]   Downloaded libp2p-deflate v0.27.1
[INFO] [stderr]   Downloaded libp2p-noise v0.29.0
[INFO] [stderr]   Downloaded minicbor-derive v0.6.1
[INFO] [stderr]   Downloaded libp2p-uds v0.27.0
[INFO] [stderr]   Downloaded libp2p-websocket v0.28.0
[INFO] [stderr]   Downloaded multihash-derive v0.7.1
[INFO] [stderr]   Downloaded impl-trait-for-tuples v0.2.0
[INFO] [stderr]   Downloaded ctor v0.1.18
[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@sha256:2788e3201cd34a07e3172128adcd8b3090168a8e3bcc40d7c032b9dda1df7d1c" "/opt/rustwide/cargo-home/bin/cargo" "+af4a5a13a15fa0c60e06321077ef452f769b42fd" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] 0ae08b87e8c1d2acaeba642798899c4e84978623daacba34101161fa48da5a42
[INFO] running `Command { std: "docker" "start" "-a" "0ae08b87e8c1d2acaeba642798899c4e84978623daacba34101161fa48da5a42", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "0ae08b87e8c1d2acaeba642798899c4e84978623daacba34101161fa48da5a42", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "0ae08b87e8c1d2acaeba642798899c4e84978623daacba34101161fa48da5a42", kill_on_drop: false }`
[INFO] [stdout] 0ae08b87e8c1d2acaeba642798899c4e84978623daacba34101161fa48da5a42
[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=allow" "-e" "RUSTDOCFLAGS=--cap-lints=allow" "-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@sha256:2788e3201cd34a07e3172128adcd8b3090168a8e3bcc40d7c032b9dda1df7d1c" "/opt/rustwide/cargo-home/bin/cargo" "+af4a5a13a15fa0c60e06321077ef452f769b42fd" "check" "--frozen" "--all" "--all-targets" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] 84ed1e3b6f0937d875931a5bcf993f137817e44e5c9eb0bd3b70259b9f8bb9d2
[INFO] running `Command { std: "docker" "start" "-a" "84ed1e3b6f0937d875931a5bcf993f137817e44e5c9eb0bd3b70259b9f8bb9d2", kill_on_drop: false }`
[INFO] [stderr]    Compiling libc v0.2.83
[INFO] [stderr]    Compiling proc-macro2 v1.0.24
[INFO] [stderr]    Compiling unicode-xid v0.2.1
[INFO] [stderr]    Compiling syn v1.0.60
[INFO] [stderr]     Checking cfg-if v1.0.0
[INFO] [stderr]    Compiling autocfg v1.0.1
[INFO] [stderr]    Compiling value-bag v1.0.0-alpha.6
[INFO] [stderr]    Compiling log v0.4.14
[INFO] [stderr]    Compiling serde_derive v1.0.123
[INFO] [stderr]    Compiling serde v1.0.123
[INFO] [stderr]     Checking scopeguard v1.1.0
[INFO] [stderr]     Checking smallvec v1.6.1
[INFO] [stderr]     Checking instant v0.1.9
[INFO] [stderr]    Compiling memchr v2.3.4
[INFO] [stderr]     Checking lock_api v0.4.2
[INFO] [stderr]     Checking byteorder v1.4.2
[INFO] [stderr]    Compiling version_check v0.9.2
[INFO] [stderr]    Compiling typenum v1.12.0
[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-6f17d22bba15001f/proc-macro2-1.0.24/src/wrapper.rs:463:33
[INFO] [stdout]     |
[INFO] [stdout] 463 |                 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 items
[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] 463 -                 let proc_macro::LineColumn { line, column } = s.start();
[INFO] [stdout] 463 +                 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-6f17d22bba15001f/proc-macro2-1.0.24/src/wrapper.rs:480:33
[INFO] [stdout]     |
[INFO] [stdout] 480 |                 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 items
[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] 480 -                 let proc_macro::LineColumn { line, column } = s.end();
[INFO] [stdout] 480 +                 let LineColumn { line, column } = s.end();
[INFO] [stdout]     |
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr]     Checking lazy_static v1.4.0
[INFO] [stderr]     Checking futures v0.1.30
[INFO] [stderr]     Checking either v1.6.1
[INFO] [stderr]     Checking cfg-if v0.1.10
[INFO] [stderr]     Checking slab v0.4.2
[INFO] [stderr]    Compiling getrandom v0.2.2
[INFO] [stderr]     Checking ppv-lite86 v0.2.10
[INFO] [stderr]     Checking futures-core v0.3.12
[INFO] [stderr]     Checking parking_lot_core v0.8.2
[INFO] [stdout] error: aborting due to 2 previous errors
[INFO] [stdout] 
[INFO] [stdout] 
[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 3 previous errors
[INFO] [stderr] warning: build failed, waiting for other jobs to finish...
[INFO] running `Command { std: "docker" "inspect" "84ed1e3b6f0937d875931a5bcf993f137817e44e5c9eb0bd3b70259b9f8bb9d2", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "84ed1e3b6f0937d875931a5bcf993f137817e44e5c9eb0bd3b70259b9f8bb9d2", kill_on_drop: false }`
[INFO] [stdout] 84ed1e3b6f0937d875931a5bcf993f137817e44e5c9eb0bd3b70259b9f8bb9d2