[INFO] fetching crate libp2prs-mplex 0.3.0...
[INFO] checking libp2prs-mplex-0.3.0 against master#506512391b1a75ae450d36c9420978402a91abcc for pr-125384
[INFO] extracting crate libp2prs-mplex 0.3.0 into /workspace/builds/worker-6-tc1/source
[INFO] validating manifest of crates.io crate libp2prs-mplex 0.3.0 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 crates.io crate libp2prs-mplex 0.3.0
[INFO] finished tweaking crates.io crate libp2prs-mplex 0.3.0
[INFO] tweaked toml for crates.io crate libp2prs-mplex 0.3.0 written to /workspace/builds/worker-6-tc1/source/Cargo.toml
[INFO] crate crates.io crate libp2prs-mplex 0.3.0 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" "+506512391b1a75ae450d36c9420978402a91abcc" "fetch" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] [stderr]     Updating crates.io index
[INFO] [stderr]  Downloading crates ...
[INFO] [stderr]   Downloaded futures-executor v0.3.14
[INFO] [stderr]   Downloaded libp2prs-runtime v0.3.0
[INFO] [stderr]   Downloaded polling v2.0.3
[INFO] [stderr]   Downloaded vec-arena v1.1.0
[INFO] [stderr]   Downloaded value-bag v1.0.0-alpha.6
[INFO] [stderr]   Downloaded futures v0.3.14
[INFO] [stderr]   Downloaded cast v0.2.5
[INFO] [stderr]   Downloaded plotters-svg v0.3.0
[INFO] [stderr]   Downloaded plotters-backend v0.3.0
[INFO] [stderr]   Downloaded subtle v2.4.0
[INFO] [stderr]   Downloaded multihash v0.13.2
[INFO] [stderr]   Downloaded libp2prs-core v0.3.0
[INFO] [stderr]   Downloaded syn v1.0.70
[INFO] [stderr]   Downloaded wepoll-sys v3.0.1
[INFO] [stderr]   Downloaded async-io v1.4.0
[INFO] [stderr]   Downloaded signature v1.3.0
[INFO] [stderr]   Downloaded ed25519 v1.0.3
[INFO] [stderr]   Downloaded libp2p-pnet v0.20.0
[INFO] [stderr]   Downloaded libp2prs-multiaddr v0.3.0
[INFO] [stderr]   Downloaded multihash-derive v0.7.1
[INFO] [stderr]   Downloaded cpuid-bool v0.1.2
[INFO] [stderr]   Downloaded sha2 v0.9.3
[INFO] [stderr]   Downloaded salsa20 v0.7.2
[INFO] [stderr]   Downloaded async-executor v1.4.0
[INFO] [stderr]   Downloaded plotters v0.3.0
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-6-tc1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-6-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:beeedbb442662e57d416641ecc3200b38e573c25b057896194468d05594dd835" "/opt/rustwide/cargo-home/bin/cargo" "+506512391b1a75ae450d36c9420978402a91abcc" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] 7e6f1dda9a14b49aacc65a7969774bcd30c6feff7ab9a47b30121e9854339ef2
[INFO] running `Command { std: "docker" "start" "-a" "7e6f1dda9a14b49aacc65a7969774bcd30c6feff7ab9a47b30121e9854339ef2", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "7e6f1dda9a14b49aacc65a7969774bcd30c6feff7ab9a47b30121e9854339ef2", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "7e6f1dda9a14b49aacc65a7969774bcd30c6feff7ab9a47b30121e9854339ef2", kill_on_drop: false }`
[INFO] [stdout] 7e6f1dda9a14b49aacc65a7969774bcd30c6feff7ab9a47b30121e9854339ef2
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-6-tc1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-6-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:beeedbb442662e57d416641ecc3200b38e573c25b057896194468d05594dd835" "/opt/rustwide/cargo-home/bin/cargo" "+506512391b1a75ae450d36c9420978402a91abcc" "check" "--frozen" "--all" "--all-targets" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] 025429519dce9d5496996453d221228fb3537c1c86ecc201f1233a277cc126eb
[INFO] running `Command { std: "docker" "start" "-a" "025429519dce9d5496996453d221228fb3537c1c86ecc201f1233a277cc126eb", kill_on_drop: false }`
[INFO] [stderr]    Compiling proc-macro2 v1.0.26
[INFO] [stderr]    Compiling syn v1.0.70
[INFO] [stderr]    Compiling libc v0.2.93
[INFO] [stderr]    Compiling typenum v1.13.0
[INFO] [stderr]    Compiling memchr v2.3.4
[INFO] [stderr]    Compiling value-bag v1.0.0-alpha.6
[INFO] [stderr]    Compiling log v0.4.14
[INFO] [stderr]    Compiling serde_derive v1.0.125
[INFO] [stderr]    Compiling serde v1.0.125
[INFO] [stderr]     Checking futures-core v0.3.14
[INFO] [stderr]     Checking pin-project-lite v0.2.6
[INFO] [stderr]     Checking futures-io v0.3.14
[INFO] [stderr]    Compiling getrandom v0.2.2
[INFO] [stderr]    Compiling anyhow v1.0.40
[INFO] [stderr]    Compiling crossbeam-utils v0.8.3
[INFO] [stderr]    Compiling proc-macro-nested v0.1.7
[INFO] [stderr]    Compiling either v1.6.1
[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-macro2-1.0.26/src/wrapper.rs:481:33
[INFO] [stdout]     |
[INFO] [stdout] 481 |                 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] 481 -                 let proc_macro::LineColumn { line, column } = s.start();
[INFO] [stdout] 481 +                 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-macro2-1.0.26/src/wrapper.rs:498:33
[INFO] [stdout]     |
[INFO] [stdout] 498 |                 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] 498 -                 let proc_macro::LineColumn { line, column } = s.end();
[INFO] [stdout] 498 +                 let LineColumn { line, column } = s.end();
[INFO] [stdout]     |
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr]    Compiling itertools v0.8.2
[INFO] [stderr]     Checking futures-sink v0.3.14
[INFO] [stderr]     Checking slab v0.4.3
[INFO] [stderr]     Checking getrandom v0.1.16
[INFO] [stderr]     Checking once_cell v1.7.2
[INFO] [stderr]     Checking generic-array v0.14.4
[INFO] [stderr]     Checking generic-array v0.12.4
[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]     Checking rand_core v0.5.1
[INFO] [stderr]    Compiling rand_core v0.6.2
[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" "025429519dce9d5496996453d221228fb3537c1c86ecc201f1233a277cc126eb", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "025429519dce9d5496996453d221228fb3537c1c86ecc201f1233a277cc126eb", kill_on_drop: false }`
[INFO] [stdout] 025429519dce9d5496996453d221228fb3537c1c86ecc201f1233a277cc126eb