[INFO] cloning repository https://github.com/batisteo/rust-p2p-example
[INFO] running `Command { std: "git" "-c" "credential.helper=" "-c" "credential.helper=/workspace/cargo-home/bin/git-credential-null" "clone" "--bare" "https://github.com/batisteo/rust-p2p-example" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fbatisteo%2Frust-p2p-example", kill_on_drop: false }`
[INFO] [stderr] Cloning into bare repository '/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fbatisteo%2Frust-p2p-example'...
[INFO] running `Command { std: "git" "rev-parse" "HEAD", kill_on_drop: false }`
[INFO] [stdout] 56e347a198e00a91eca106bfec065f18d7db2d70
[INFO] testing batisteo/rust-p2p-example against 1.54.0 for beta-1.55-1
[INFO] running `Command { std: "git" "clone" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fbatisteo%2Frust-p2p-example" "/workspace/builds/worker-35/source", kill_on_drop: false }`
[INFO] [stderr] Cloning into '/workspace/builds/worker-35/source'...
[INFO] [stderr] done.
[INFO] validating manifest of git repo https://github.com/batisteo/rust-p2p-example on toolchain 1.54.0
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[INFO] started tweaking git repo https://github.com/batisteo/rust-p2p-example
[INFO] finished tweaking git repo https://github.com/batisteo/rust-p2p-example
[INFO] tweaked toml for git repo https://github.com/batisteo/rust-p2p-example written to /workspace/builds/worker-35/source/Cargo.toml
[INFO] crate git repo https://github.com/batisteo/rust-p2p-example already has a lockfile, it will not be regenerated
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+1.54.0" "fetch" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
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[INFO] [stderr]     Blocking waiting for file lock on package cache
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[INFO] [stdout] 40f698e170d107ded0ee104d1a0da4a7421d199d30f69c2a59d1b2b052dacea9
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[INFO] running `Command { std: "docker" "inspect" "40f698e170d107ded0ee104d1a0da4a7421d199d30f69c2a59d1b2b052dacea9", kill_on_drop: false }`
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[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-35/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-35/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=warn" "-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@sha256:34b6a614d2c27851fe6cbf88fbd1137609cefab8b10d0615aaeb6fd47975d74e" "/opt/rustwide/cargo-home/bin/cargo" "+1.54.0" "build" "--frozen" "--message-format=json", kill_on_drop: false }`
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[INFO] [stderr]    Compiling libp2p v0.35.1
[INFO] [stderr]    Compiling rust-p2p-example v0.1.0 (/opt/rustwide/workdir)
[INFO] [stdout] warning: variable does not need to be mutable
[INFO] [stdout]   --> src/main.rs:66:27
[INFO] [stdout]    |
[INFO] [stdout] 66 |     let (response_sender, mut response_rcv) = mpsc::unbounded_channel::<EventType>();
[INFO] [stdout]    |                           ----^^^^^^^^^^^^
[INFO] [stdout]    |                           |
[INFO] [stdout]    |                           help: remove this `mut`
[INFO] [stdout]    |
[INFO] [stdout]    = note: `#[warn(unused_mut)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: 1 warning emitted
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 1m 35s
[INFO] running `Command { std: "docker" "inspect" "5affebfd0955aabe5e817a86b24325e2c08ca03e51b0e5a503b470d85bd67b09", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "5affebfd0955aabe5e817a86b24325e2c08ca03e51b0e5a503b470d85bd67b09", kill_on_drop: false }`
[INFO] [stdout] 5affebfd0955aabe5e817a86b24325e2c08ca03e51b0e5a503b470d85bd67b09
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-35/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-35/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=warn" "-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@sha256:34b6a614d2c27851fe6cbf88fbd1137609cefab8b10d0615aaeb6fd47975d74e" "/opt/rustwide/cargo-home/bin/cargo" "+1.54.0" "test" "--frozen" "--no-run" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] 60b655867d811d130a0df12b1d06827e14df7bea310d9f143d837623d0d4b837
[INFO] running `Command { std: "docker" "start" "-a" "60b655867d811d130a0df12b1d06827e14df7bea310d9f143d837623d0d4b837", kill_on_drop: false }`
[INFO] [stderr]    Compiling rust-p2p-example v0.1.0 (/opt/rustwide/workdir)
[INFO] [stdout] warning: variable does not need to be mutable
[INFO] [stdout]   --> src/main.rs:66:27
[INFO] [stdout]    |
[INFO] [stdout] 66 |     let (response_sender, mut response_rcv) = mpsc::unbounded_channel::<EventType>();
[INFO] [stdout]    |                           ----^^^^^^^^^^^^
[INFO] [stdout]    |                           |
[INFO] [stdout]    |                           help: remove this `mut`
[INFO] [stdout]    |
[INFO] [stdout]    = note: `#[warn(unused_mut)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: 1 warning emitted
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr]     Finished test [unoptimized + debuginfo] target(s) in 3.75s
[INFO] running `Command { std: "docker" "inspect" "60b655867d811d130a0df12b1d06827e14df7bea310d9f143d837623d0d4b837", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "60b655867d811d130a0df12b1d06827e14df7bea310d9f143d837623d0d4b837", kill_on_drop: false }`
[INFO] [stdout] 60b655867d811d130a0df12b1d06827e14df7bea310d9f143d837623d0d4b837
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-35/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-35/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=warn" "-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@sha256:34b6a614d2c27851fe6cbf88fbd1137609cefab8b10d0615aaeb6fd47975d74e" "/opt/rustwide/cargo-home/bin/cargo" "+1.54.0" "test" "--frozen", kill_on_drop: false }`
[INFO] [stdout] 9df2a9c6a8b5628aa6b9843ff6edfec690c59484ca059e6f62cc1bae80f1a57c
[INFO] running `Command { std: "docker" "start" "-a" "9df2a9c6a8b5628aa6b9843ff6edfec690c59484ca059e6f62cc1bae80f1a57c", kill_on_drop: false }`
[INFO] [stderr] warning: variable does not need to be mutable
[INFO] [stderr]   --> src/main.rs:66:27
[INFO] [stderr]    |
[INFO] [stderr] 66 |     let (response_sender, mut response_rcv) = mpsc::unbounded_channel::<EventType>();
[INFO] [stderr]    |                           ----^^^^^^^^^^^^
[INFO] [stderr]    |                           |
[INFO] [stderr]    |                           help: remove this `mut`
[INFO] [stderr]    |
[INFO] [stderr]    = note: `#[warn(unused_mut)]` on by default
[INFO] [stderr] 
[INFO] [stderr] warning: 1 warning emitted
[INFO] [stderr] 
[INFO] [stderr]     Finished test [unoptimized + debuginfo] target(s) in 0.16s
[INFO] [stderr]      Running unittests (/opt/rustwide/target/debug/deps/rust_p2p_example-0220412015869988)
[INFO] [stdout] 
[INFO] [stdout] running 0 tests
[INFO] [stdout] 
[INFO] [stdout] test result: ok. 0 passed; 0 failed; 0 ignored; 0 measured; 0 filtered out; finished in 0.00s
[INFO] [stdout] 
[INFO] running `Command { std: "docker" "inspect" "9df2a9c6a8b5628aa6b9843ff6edfec690c59484ca059e6f62cc1bae80f1a57c", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "9df2a9c6a8b5628aa6b9843ff6edfec690c59484ca059e6f62cc1bae80f1a57c", kill_on_drop: false }`
[INFO] [stdout] 9df2a9c6a8b5628aa6b9843ff6edfec690c59484ca059e6f62cc1bae80f1a57c
