[INFO] cloning repository https://github.com/sk1122/rust-p2p-demo
[INFO] running `Command { std: "git" "-c" "credential.helper=" "-c" "credential.helper=/workspace/cargo-home/bin/git-credential-null" "clone" "--bare" "https://github.com/sk1122/rust-p2p-demo" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fsk1122%2Frust-p2p-demo", kill_on_drop: false }`
[INFO] [stderr] Cloning into bare repository '/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fsk1122%2Frust-p2p-demo'...
[INFO] running `Command { std: "git" "rev-parse" "HEAD", kill_on_drop: false }`
[INFO] [stdout] 9fdc111a263c4d6b630d93994b8cdb746d6defd8
[INFO] checking sk1122/rust-p2p-demo against master#0ef0dd24510b52da980889546fcd15254dc56a23 for pr-126452
[INFO] running `Command { std: "git" "clone" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fsk1122%2Frust-p2p-demo" "/workspace/builds/worker-5-tc1/source", kill_on_drop: false }`
[INFO] [stderr] Cloning into '/workspace/builds/worker-5-tc1/source'...
[INFO] [stderr] done.
[INFO] validating manifest of git repo https://github.com/sk1122/rust-p2p-demo on toolchain 0ef0dd24510b52da980889546fcd15254dc56a23
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+0ef0dd24510b52da980889546fcd15254dc56a23" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }`
[INFO] started tweaking git repo https://github.com/sk1122/rust-p2p-demo
[INFO] finished tweaking git repo https://github.com/sk1122/rust-p2p-demo
[INFO] tweaked toml for git repo https://github.com/sk1122/rust-p2p-demo written to /workspace/builds/worker-5-tc1/source/Cargo.toml
[INFO] crate git repo https://github.com/sk1122/rust-p2p-demo 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" "+0ef0dd24510b52da980889546fcd15254dc56a23" "fetch" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] [stderr]     Blocking waiting for file lock on package cache
[ERROR] error running command: no output for 300 seconds
[ERROR] this task or one of its parent failed!
[ERROR] no output for 300 seconds
[ERROR] note: run with `RUST_BACKTRACE=1` to display a backtrace.
[INFO] checking sk1122/rust-p2p-demo against try#d9cbfeb054d7bd02cf942e6d32c1c0a91f042ce9 for pr-126452
[INFO] running `Command { std: "git" "clone" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fsk1122%2Frust-p2p-demo" "/workspace/builds/worker-5-tc2/source", kill_on_drop: false }`
[INFO] [stderr] Cloning into '/workspace/builds/worker-5-tc2/source'...
[INFO] [stderr] done.
[INFO] validating manifest of git repo https://github.com/sk1122/rust-p2p-demo on toolchain d9cbfeb054d7bd02cf942e6d32c1c0a91f042ce9
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+d9cbfeb054d7bd02cf942e6d32c1c0a91f042ce9" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }`
[INFO] started tweaking git repo https://github.com/sk1122/rust-p2p-demo
[INFO] finished tweaking git repo https://github.com/sk1122/rust-p2p-demo
[INFO] tweaked toml for git repo https://github.com/sk1122/rust-p2p-demo written to /workspace/builds/worker-5-tc2/source/Cargo.toml
[INFO] crate git repo https://github.com/sk1122/rust-p2p-demo 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" "+d9cbfeb054d7bd02cf942e6d32c1c0a91f042ce9" "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 zstd-safe v6.0.3+zstd.1.5.2
[INFO] [stderr]   Downloaded actix-http v3.3.0
[INFO] [stderr]   Downloaded actix-web v4.3.0
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-5-tc2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-5-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:dff56e7819e73ed36160586b3445e93eb0be776c16704aeeded9c3fb668b2384" "/opt/rustwide/cargo-home/bin/cargo" "+d9cbfeb054d7bd02cf942e6d32c1c0a91f042ce9" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] ca8327a2f3aa0ef109c33576425f7c935483fc661a968b86bb5512a82b492cd8
[INFO] running `Command { std: "docker" "start" "-a" "ca8327a2f3aa0ef109c33576425f7c935483fc661a968b86bb5512a82b492cd8", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "ca8327a2f3aa0ef109c33576425f7c935483fc661a968b86bb5512a82b492cd8", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "ca8327a2f3aa0ef109c33576425f7c935483fc661a968b86bb5512a82b492cd8", kill_on_drop: false }`
[INFO] [stdout] ca8327a2f3aa0ef109c33576425f7c935483fc661a968b86bb5512a82b492cd8
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-5-tc2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-5-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:dff56e7819e73ed36160586b3445e93eb0be776c16704aeeded9c3fb668b2384" "/opt/rustwide/cargo-home/bin/cargo" "+d9cbfeb054d7bd02cf942e6d32c1c0a91f042ce9" "check" "--frozen" "--all" "--all-targets" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] ba81e5bf8a1a3d33c529d8f2c41495f456afd705488e79857c928e8f1d8c2a44
[INFO] running `Command { std: "docker" "start" "-a" "ba81e5bf8a1a3d33c529d8f2c41495f456afd705488e79857c928e8f1d8c2a44", kill_on_drop: false }`
[INFO] [stderr]    Compiling syn v1.0.107
[INFO] [stderr]    Compiling libc v0.2.139
[INFO] [stderr]    Compiling tokio v1.25.0
[INFO] [stderr]     Checking tracing-core v0.1.30
[INFO] [stderr]    Compiling futures-task v0.3.26
[INFO] [stderr]    Compiling proc-macro2 v1.0.50
[INFO] [stderr]     Checking parking_lot_core v0.9.7
[INFO] [stderr]     Checking socket2 v0.4.7
[INFO] [stderr]     Checking signal-hook-registry v1.4.0
[INFO] [stderr]    Compiling futures-util v0.3.26
[INFO] [stderr]     Checking mio v0.8.5
[INFO] [stderr]     Checking http v0.2.8
[INFO] [stderr]    Compiling indexmap v1.9.2
[INFO] [stderr]    Compiling serde v1.0.152
[INFO] [stderr]     Checking generic-array v0.14.6
[INFO] [stderr]    Compiling paste v1.0.11
[INFO] [stdout] error[E0635]: unknown feature `proc_macro_span_shrink`
[INFO] [stdout]   --> /opt/rustwide/cargo-home/registry/src/index.crates.io-6f17d22bba15001f/proc-macro2-1.0.50/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]    Compiling openssl v0.10.45
[INFO] [stderr]    Compiling futures-channel v0.3.26
[INFO] [stderr]     Checking parking_lot v0.12.1
[INFO] [stderr]    Compiling bytes v1.4.0
[INFO] [stderr]    Compiling zstd-safe v6.0.3+zstd.1.5.2
[INFO] [stderr]     Checking local-waker v0.1.3
[INFO] [stderr]     Checking alloc-no-stdlib v2.0.4
[INFO] [stderr]     Checking tracing v0.1.37
[INFO] [stdout] error: aborting due to 1 previous error
[INFO] [stdout] 
[INFO] [stdout] 
[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 2 previous errors
[INFO] [stderr] warning: build failed, waiting for other jobs to finish...
[INFO] running `Command { std: "docker" "inspect" "ba81e5bf8a1a3d33c529d8f2c41495f456afd705488e79857c928e8f1d8c2a44", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "ba81e5bf8a1a3d33c529d8f2c41495f456afd705488e79857c928e8f1d8c2a44", kill_on_drop: false }`
[INFO] [stdout] ba81e5bf8a1a3d33c529d8f2c41495f456afd705488e79857c928e8f1d8c2a44