[INFO] updating cached repository https://github.com/eadventurous/tcp-p2p-node-example
[INFO] running `"git" "-c" "credential.helper=" "-c" "credential.helper=/workspace/cargo-home/bin/git-credential-null" "-c" "remote.origin.fetch=refs/heads/*:refs/heads/*" "fetch" "origin" "--force" "--prune"`
[INFO] running `"git" "rev-parse" "HEAD"`
[INFO] [stdout] 9f623fd8dcc87aa49f0f468010413cd229214d91
[INFO] checking eadventurous/tcp-p2p-node-example against master#bf1f2eedda4fa02b7c9347dd849ed73ddd43dedc for pr-70917
[INFO] running `"git" "clone" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Feadventurous%2Ftcp-p2p-node-example" "/workspace/builds/worker-3/source"`
[INFO] [stderr] Cloning into '/workspace/builds/worker-3/source'...
[INFO] [stderr] done.
[INFO] validating manifest of git repo https://github.com/eadventurous/tcp-p2p-node-example on toolchain bf1f2eedda4fa02b7c9347dd849ed73ddd43dedc
[INFO] running `"/workspace/cargo-home/bin/cargo" "+bf1f2eedda4fa02b7c9347dd849ed73ddd43dedc" "read-manifest" "--manifest-path" "Cargo.toml"`
[INFO] started tweaking git repo https://github.com/eadventurous/tcp-p2p-node-example
[INFO] finished tweaking git repo https://github.com/eadventurous/tcp-p2p-node-example
[INFO] tweaked toml for git repo https://github.com/eadventurous/tcp-p2p-node-example written to /workspace/builds/worker-3/source/Cargo.toml
[INFO] crate git repo https://github.com/eadventurous/tcp-p2p-node-example already has a lockfile, it will not be regenerated
[INFO] running `"/workspace/cargo-home/bin/cargo" "+bf1f2eedda4fa02b7c9347dd849ed73ddd43dedc" "fetch" "--locked" "--manifest-path" "Cargo.toml"`
[INFO] running `"docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-3/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-3/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" "MAP_USER_ID=0" "-e" "CARGO_TARGET_DIR=/opt/rustwide/target" "-e" "CARGO_INCREMENTAL=0" "-e" "RUST_BACKTRACE=full" "-e" "RUSTFLAGS=--cap-lints=forbid" "-e" "CARGO_HOME=/opt/rustwide/cargo-home" "-e" "RUSTUP_HOME=/opt/rustwide/rustup-home" "-w" "/opt/rustwide/workdir" "-m" "1610612736" "--network" "none" "rustops/crates-build-env" "/opt/rustwide/cargo-home/bin/cargo" "+bf1f2eedda4fa02b7c9347dd849ed73ddd43dedc" "check" "--frozen" "--all" "--all-targets"`
[INFO] [stderr] WARNING: Your kernel does not support swap limit capabilities or the cgroup is not mounted. Memory limited without swap.
[INFO] [stdout] 810de7c13c4af861e83bdf6ca267d13e135eb308c10c2a39e332247794538bfb
[INFO] running `"docker" "start" "-a" "810de7c13c4af861e83bdf6ca267d13e135eb308c10c2a39e332247794538bfb"`
[INFO] [stderr]     Checking pem v0.7.0
[INFO] [stderr]     Checking env_logger v0.7.1
[INFO] [stderr]     Checking parking_lot_core v0.2.14
[INFO] [stderr]     Checking ct-logs v0.6.0
[INFO] [stderr]    Compiling syn v1.0.17
[INFO] [stderr]     Checking rustls v0.17.0
[INFO] [stderr]     Checking yasna v0.3.1
[INFO] [stderr]     Checking parking_lot v0.4.8
[INFO] [stderr]     Checking chashmap v2.2.2
[INFO] [stderr]     Checking rcgen v0.8.1
[INFO] [stderr]     Checking p2p_node_stats v0.1.0 (https://github.com/eadventurous/p2p-node-stats#26ef7979)
[INFO] [stderr]     Checking rustls-native-certs v0.3.0
[INFO] [stderr]    Compiling syn-mid v0.5.0
[INFO] [stderr]    Compiling synstructure v0.12.3
[INFO] [stderr]    Compiling futures-macro v0.3.4
[INFO] [stderr]    Compiling rustversion v1.0.2
[INFO] [stderr]    Compiling proc-macro-error-attr v0.4.12
[INFO] [stderr]    Compiling tracing-attributes v0.1.7
[INFO] [stderr]    Compiling serde_derive v1.0.105
[INFO] [stderr]    Compiling tokio-macros v0.2.5
[INFO] [stderr]    Compiling err-derive v0.2.3
[INFO] [stderr]     Checking tokio v0.2.16
[INFO] [stderr]    Compiling proc-macro-error v0.4.12
[INFO] [stderr]     Checking futures-util v0.3.4
[INFO] [stderr]     Checking tracing v0.1.13
[INFO] [stderr]     Checking quinn-proto v0.6.1
[INFO] [stderr]     Checking futures-executor v0.3.4
[INFO] [stderr]     Checking broadcaster v1.0.0
[INFO] [stderr]     Checking async-std v1.5.0
[INFO] [stderr]     Checking futures v0.3.4
[INFO] [stderr]     Checking serde v1.0.105
[INFO] [stderr]     Checking quinn v0.6.1
[INFO] [stderr]     Checking bincode v1.2.1
[INFO] [stderr]     Checking tcp-p2p-node-example v0.1.0 (/opt/rustwide/workdir)
[INFO] [stderr] warning: unnecessary braces around assigned value
[INFO] [stderr]    --> src/node.rs:231:13
[INFO] [stderr]     |
[INFO] [stderr] 231 |         } = { new_conn };
[INFO] [stderr]     |             ^^^^^^^^^^^^ help: remove these braces
[INFO] [stderr]     |
[INFO] [stderr]     = note: `#[warn(unused_braces)]` on by default
[INFO] [stderr] 
[INFO] [stderr] warning: unnecessary braces around assigned value
[INFO] [stderr]    --> src/node.rs:231:13
[INFO] [stderr]     |
[INFO] [stderr] 231 |         } = { new_conn };
[INFO] [stderr]     |             ^^^^^^^^^^^^ help: remove these braces
[INFO] [stderr]     |
[INFO] [stderr]     = note: `#[warn(unused_braces)]` on by default
[INFO] [stderr] 
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 1m 32s
[INFO] running `"docker" "inspect" "810de7c13c4af861e83bdf6ca267d13e135eb308c10c2a39e332247794538bfb"`
[INFO] running `"docker" "rm" "-f" "810de7c13c4af861e83bdf6ca267d13e135eb308c10c2a39e332247794538bfb"`
[INFO] [stdout] 810de7c13c4af861e83bdf6ca267d13e135eb308c10c2a39e332247794538bfb