[INFO] fetching crate p2p_communication 0.1.0...
[INFO] building p2p_communication-0.1.0 against master#ad85bc524b1ad696e42061ad8338d382dffbdbe5 for pr-146237-1
[INFO] extracting crate p2p_communication 0.1.0 into /workspace/builds/worker-4-tc1/source
[INFO] started tweaking crates.io crate p2p_communication 0.1.0
[INFO] finished tweaking crates.io crate p2p_communication 0.1.0
[INFO] tweaked toml for crates.io crate p2p_communication 0.1.0 written to /workspace/builds/worker-4-tc1/source/Cargo.toml
[INFO] validating manifest of crates.io crate p2p_communication 0.1.0 on toolchain ad85bc524b1ad696e42061ad8338d382dffbdbe5
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+ad85bc524b1ad696e42061ad8338d382dffbdbe5" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }`
[INFO] crate crates.io crate p2p_communication 0.1.0 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" "+ad85bc524b1ad696e42061ad8338d382dffbdbe5" "fetch" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-4-tc1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-4-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:e90291280db7d1fac5b66fc6dad9f9662629e7365a55743daf9bdf73ebc4ea79" "/opt/rustwide/cargo-home/bin/cargo" "+ad85bc524b1ad696e42061ad8338d382dffbdbe5" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] 9bcbfc9a1a7041bbb709f2a108da36f434591119b6fb1dc928feb3a445befd02
[INFO] running `Command { std: "docker" "start" "-a" "9bcbfc9a1a7041bbb709f2a108da36f434591119b6fb1dc928feb3a445befd02", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "9bcbfc9a1a7041bbb709f2a108da36f434591119b6fb1dc928feb3a445befd02", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "9bcbfc9a1a7041bbb709f2a108da36f434591119b6fb1dc928feb3a445befd02", kill_on_drop: false }`
[INFO] [stdout] 9bcbfc9a1a7041bbb709f2a108da36f434591119b6fb1dc928feb3a445befd02
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-4-tc1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-4-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=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:e90291280db7d1fac5b66fc6dad9f9662629e7365a55743daf9bdf73ebc4ea79" "/opt/rustwide/cargo-home/bin/cargo" "+ad85bc524b1ad696e42061ad8338d382dffbdbe5" "build" "--frozen" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] 5e02f95561aa5e0781adac670b6fca0bf4a3c7e726af6b9282396514777c76e4
[INFO] running `Command { std: "docker" "start" "-a" "5e02f95561aa5e0781adac670b6fca0bf4a3c7e726af6b9282396514777c76e4", kill_on_drop: false }`
[INFO] [stderr]    Compiling libc v0.2.151
[INFO] [stderr]    Compiling proc-macro2 v1.0.71
[INFO] [stderr]    Compiling smallvec v1.11.2
[INFO] [stderr]    Compiling quote v1.0.33
[INFO] [stderr]    Compiling syn v2.0.43
[INFO] [stderr]    Compiling parking_lot_core v0.9.9
[INFO] [stderr]    Compiling signal-hook-registry v1.4.1
[INFO] [stderr]    Compiling mio v0.8.10
[INFO] [stderr]    Compiling socket2 v0.5.5
[INFO] [stderr]    Compiling num_cpus v1.16.0
[INFO] [stderr]    Compiling parking_lot v0.12.1
[INFO] [stderr]    Compiling tokio-macros v2.2.0
[INFO] [stderr]    Compiling tokio v1.35.1
[INFO] [stderr]    Compiling p2p_communication v0.1.0 (/opt/rustwide/workdir)
[INFO] [stdout] warning: unused import: `AsyncWriteExt`
[INFO] [stdout]  --> src/main.rs:2:31
[INFO] [stdout]   |
[INFO] [stdout] 2 | use tokio::io::{AsyncReadExt, AsyncWriteExt};
[INFO] [stdout]   |                               ^^^^^^^^^^^^^
[INFO] [stdout]   |
[INFO] [stdout]   = note: `#[warn(unused_imports)]` (part of `#[warn(unused)]`) on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: variable does not need to be mutable
[INFO] [stdout]   --> src/main.rs:13:14
[INFO] [stdout]    |
[INFO] [stdout] 13 |     let (tx, mut rx) = mpsc::channel::<String>(100);
[INFO] [stdout]    |              ----^^
[INFO] [stdout]    |              |
[INFO] [stdout]    |              help: remove this `mut`
[INFO] [stdout]    |
[INFO] [stdout]    = note: `#[warn(unused_mut)]` (part of `#[warn(unused)]`) on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr]     Finished `dev` profile [unoptimized + debuginfo] target(s) in 13.86s
[INFO] running `Command { std: "docker" "inspect" "5e02f95561aa5e0781adac670b6fca0bf4a3c7e726af6b9282396514777c76e4", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "5e02f95561aa5e0781adac670b6fca0bf4a3c7e726af6b9282396514777c76e4", kill_on_drop: false }`
[INFO] [stdout] 5e02f95561aa5e0781adac670b6fca0bf4a3c7e726af6b9282396514777c76e4
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-4-tc1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-4-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=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:e90291280db7d1fac5b66fc6dad9f9662629e7365a55743daf9bdf73ebc4ea79" "/opt/rustwide/cargo-home/bin/cargo" "+ad85bc524b1ad696e42061ad8338d382dffbdbe5" "test" "--frozen" "--no-run" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] c9032cb32f3f3aa161eb2c82889caa6f0a01894144790ee38d71e196224619b7
[INFO] running `Command { std: "docker" "start" "-a" "c9032cb32f3f3aa161eb2c82889caa6f0a01894144790ee38d71e196224619b7", kill_on_drop: false }`
[INFO] [stderr]    Compiling p2p_communication v0.1.0 (/opt/rustwide/workdir)
[INFO] [stdout] warning: unused import: `AsyncWriteExt`
[INFO] [stdout]  --> src/main.rs:2:31
[INFO] [stdout]   |
[INFO] [stdout] 2 | use tokio::io::{AsyncReadExt, AsyncWriteExt};
[INFO] [stdout]   |                               ^^^^^^^^^^^^^
[INFO] [stdout]   |
[INFO] [stdout]   = note: `#[warn(unused_imports)]` (part of `#[warn(unused)]`) on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: variable does not need to be mutable
[INFO] [stdout]   --> src/main.rs:13:14
[INFO] [stdout]    |
[INFO] [stdout] 13 |     let (tx, mut rx) = mpsc::channel::<String>(100);
[INFO] [stdout]    |              ----^^
[INFO] [stdout]    |              |
[INFO] [stdout]    |              help: remove this `mut`
[INFO] [stdout]    |
[INFO] [stdout]    = note: `#[warn(unused_mut)]` (part of `#[warn(unused)]`) on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr]     Finished `test` profile [unoptimized + debuginfo] target(s) in 0.37s
[INFO] running `Command { std: "docker" "inspect" "c9032cb32f3f3aa161eb2c82889caa6f0a01894144790ee38d71e196224619b7", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "c9032cb32f3f3aa161eb2c82889caa6f0a01894144790ee38d71e196224619b7", kill_on_drop: false }`
[INFO] [stdout] c9032cb32f3f3aa161eb2c82889caa6f0a01894144790ee38d71e196224619b7
