[INFO] cloning repository https://github.com/jmcph4/rust-libp2p-playground
[INFO] running `Command { std: "git" "-c" "credential.helper=" "-c" "credential.helper=/workspace/cargo-home/bin/git-credential-null" "clone" "--bare" "https://github.com/jmcph4/rust-libp2p-playground" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fjmcph4%2Frust-libp2p-playground", kill_on_drop: false }`
[INFO] [stderr] Cloning into bare repository '/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fjmcph4%2Frust-libp2p-playground'...
[INFO] running `Command { std: "git" "rev-parse" "HEAD", kill_on_drop: false }`
[INFO] [stdout] de793952700c650429bd06b5ffd2c2dac11b9303
[INFO] checking jmcph4/rust-libp2p-playground against master#506512391b1a75ae450d36c9420978402a91abcc for pr-125384
[INFO] running `Command { std: "git" "clone" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fjmcph4%2Frust-libp2p-playground" "/workspace/builds/worker-2-tc1/source", kill_on_drop: false }`
[INFO] [stderr] Cloning into '/workspace/builds/worker-2-tc1/source'...
[INFO] [stderr] done.
[INFO] validating manifest of git repo https://github.com/jmcph4/rust-libp2p-playground on toolchain 506512391b1a75ae450d36c9420978402a91abcc
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+506512391b1a75ae450d36c9420978402a91abcc" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }`
[INFO] started tweaking git repo https://github.com/jmcph4/rust-libp2p-playground
[INFO] finished tweaking git repo https://github.com/jmcph4/rust-libp2p-playground
[INFO] tweaked toml for git repo https://github.com/jmcph4/rust-libp2p-playground written to /workspace/builds/worker-2-tc1/source/Cargo.toml
[INFO] crate git repo https://github.com/jmcph4/rust-libp2p-playground 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" "+506512391b1a75ae450d36c9420978402a91abcc" "fetch" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] [stderr]  Downloading crates ...
[INFO] [stderr]   Downloaded libp2p-yamux v0.32.0
[INFO] [stderr]   Downloaded libp2p-websocket v0.29.0
[INFO] [stderr]   Downloaded libp2p-uds v0.28.0
[INFO] [stderr]   Downloaded libp2p-wasm-ext v0.28.2
[INFO] [stderr]   Downloaded libp2p-core v0.28.3
[INFO] [stderr]   Downloaded libp2p-swarm-derive v0.23.0
[INFO] [stderr]   Downloaded libp2p-tcp v0.28.0
[INFO] [stderr]   Downloaded libp2p-swarm v0.29.0
[INFO] [stderr]   Downloaded libp2p-request-response v0.11.0
[INFO] [stderr]   Downloaded ghash v0.4.2
[INFO] [stderr]   Downloaded polyval v0.5.1
[INFO] [stderr]   Downloaded libp2p-floodsub v0.29.0
[INFO] [stderr]   Downloaded libp2p-mdns v0.30.2
[INFO] [stderr]   Downloaded libp2p-deflate v0.28.0
[INFO] [stderr]   Downloaded libp2p-identify v0.29.0
[INFO] [stderr]   Downloaded libp2p-mplex v0.28.0
[INFO] [stderr]   Downloaded libp2p-relay v0.2.0
[INFO] [stderr]   Downloaded libp2p-gossipsub v0.31.0
[INFO] [stderr]   Downloaded libp2p-dns v0.28.1
[INFO] [stderr]   Downloaded libp2p-kad v0.30.0
[INFO] [stderr]   Downloaded poly1305 v0.7.0
[INFO] [stderr]   Downloaded aead v0.4.1
[INFO] [stderr]   Downloaded libp2p-ping v0.29.0
[INFO] [stderr]   Downloaded libp2p-noise v0.31.0
[INFO] [stderr]   Downloaded libp2p-plaintext v0.28.0
[INFO] [stderr]   Downloaded salsa20 v0.8.0
[INFO] [stderr]   Downloaded libp2p v0.38.0
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-2-tc1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-2-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@sha256:59a85a07ab18ca8720692f8e61effa1c651d9e2ca591e072c2b212bb91a6b8b5" "/opt/rustwide/cargo-home/bin/cargo" "+506512391b1a75ae450d36c9420978402a91abcc" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] 88aaa9d61def9b48eb6ecd1ec4eebdb978bd6dfa4c7d8551a2953287a3c155f2
[INFO] running `Command { std: "docker" "start" "-a" "88aaa9d61def9b48eb6ecd1ec4eebdb978bd6dfa4c7d8551a2953287a3c155f2", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "88aaa9d61def9b48eb6ecd1ec4eebdb978bd6dfa4c7d8551a2953287a3c155f2", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "88aaa9d61def9b48eb6ecd1ec4eebdb978bd6dfa4c7d8551a2953287a3c155f2", kill_on_drop: false }`
[INFO] [stdout] 88aaa9d61def9b48eb6ecd1ec4eebdb978bd6dfa4c7d8551a2953287a3c155f2
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-2-tc1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-2-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@sha256:59a85a07ab18ca8720692f8e61effa1c651d9e2ca591e072c2b212bb91a6b8b5" "/opt/rustwide/cargo-home/bin/cargo" "+506512391b1a75ae450d36c9420978402a91abcc" "check" "--frozen" "--all" "--all-targets" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] 7330607bf5e34cdaad9696c0c1199837a9ee472f604f2d0954f60d0b1d11a64c
[INFO] running `Command { std: "docker" "start" "-a" "7330607bf5e34cdaad9696c0c1199837a9ee472f604f2d0954f60d0b1d11a64c", kill_on_drop: false }`
[INFO] [stderr]    Compiling proc-macro2 v1.0.27
[INFO] [stderr]    Compiling unicode-xid v0.2.2
[INFO] [stderr]    Compiling syn v1.0.73
[INFO] [stderr]    Compiling version_check v0.9.3
[INFO] [stderr]    Compiling libc v0.2.97
[INFO] [stderr]     Checking cfg-if v1.0.0
[INFO] [stderr]    Compiling autocfg v1.0.1
[INFO] [stderr]    Compiling log v0.4.14
[INFO] [stderr]    Compiling typenum v1.13.0
[INFO] [stderr]    Compiling memchr v2.4.0
[INFO] [stderr]    Compiling futures-core v0.3.15
[INFO] [stderr]    Compiling value-bag v1.0.0-alpha.7
[INFO] [stderr]    Compiling generic-array v0.14.4
[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-macro2-1.0.27/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 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] 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-6f17d22bba15001f/proc-macro2-1.0.27/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 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] 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]    Compiling either v1.6.1
[INFO] [stderr]    Compiling unicode-segmentation v1.8.0
[INFO] [stderr]    Compiling anyhow v1.0.41
[INFO] [stderr]     Checking futures-io v0.3.15
[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" "7330607bf5e34cdaad9696c0c1199837a9ee472f604f2d0954f60d0b1d11a64c", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "7330607bf5e34cdaad9696c0c1199837a9ee472f604f2d0954f60d0b1d11a64c", kill_on_drop: false }`
[INFO] [stdout] 7330607bf5e34cdaad9696c0c1199837a9ee472f604f2d0954f60d0b1d11a64c