[INFO] cloning repository https://github.com/longshorej/multicaster
[INFO] running `Command { std: "git" "-c" "credential.helper=" "-c" "credential.helper=/workspace/cargo-home/bin/git-credential-null" "clone" "--bare" "https://github.com/longshorej/multicaster" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Flongshorej%2Fmulticaster", kill_on_drop: false }`
[INFO] [stderr] Cloning into bare repository '/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Flongshorej%2Fmulticaster'...
[INFO] running `Command { std: "git" "rev-parse" "HEAD", kill_on_drop: false }`
[INFO] [stdout] e51b6801f260c6ef8d2b211c1ee37da0e48ba7d1
[INFO] checking longshorej/multicaster against master#8007b506ac5da629f223b755f5a5391edd5f6d01 for pr-88041
[INFO] running `Command { std: "git" "clone" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Flongshorej%2Fmulticaster" "/workspace/builds/worker-8/source", kill_on_drop: false }`
[INFO] [stderr] Cloning into '/workspace/builds/worker-8/source'...
[INFO] [stderr] done.
[INFO] validating manifest of git repo https://github.com/longshorej/multicaster on toolchain 8007b506ac5da629f223b755f5a5391edd5f6d01
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+8007b506ac5da629f223b755f5a5391edd5f6d01" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }`
[INFO] started tweaking git repo https://github.com/longshorej/multicaster
[INFO] finished tweaking git repo https://github.com/longshorej/multicaster
[INFO] tweaked toml for git repo https://github.com/longshorej/multicaster written to /workspace/builds/worker-8/source/Cargo.toml
[INFO] crate git repo https://github.com/longshorej/multicaster already has a lockfile, it will not be regenerated
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+8007b506ac5da629f223b755f5a5391edd5f6d01" "fetch" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-8/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-8/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@sha256:34b6a614d2c27851fe6cbf88fbd1137609cefab8b10d0615aaeb6fd47975d74e" "/opt/rustwide/cargo-home/bin/cargo" "+8007b506ac5da629f223b755f5a5391edd5f6d01" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] 8605d0c2f6641203aaa0b5f5a3e33f08223fb95586a4fd3f706d1ec65c2d6aed
[INFO] [stderr] WARNING: Your kernel does not support swap limit capabilities or the cgroup is not mounted. Memory limited without swap.
[INFO] running `Command { std: "docker" "start" "-a" "8605d0c2f6641203aaa0b5f5a3e33f08223fb95586a4fd3f706d1ec65c2d6aed", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "8605d0c2f6641203aaa0b5f5a3e33f08223fb95586a4fd3f706d1ec65c2d6aed", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "8605d0c2f6641203aaa0b5f5a3e33f08223fb95586a4fd3f706d1ec65c2d6aed", kill_on_drop: false }`
[INFO] [stdout] 8605d0c2f6641203aaa0b5f5a3e33f08223fb95586a4fd3f706d1ec65c2d6aed
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-8/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-8/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" "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" "+8007b506ac5da629f223b755f5a5391edd5f6d01" "check" "--frozen" "--all" "--all-targets" "--message-format=json", kill_on_drop: false }`
[INFO] [stderr] WARNING: Your kernel does not support swap limit capabilities or the cgroup is not mounted. Memory limited without swap.
[INFO] [stdout] f141a4c9c99fb56ab0bc7a3f714974fd2f50dfad0f89b11681cc8e86a457f057
[INFO] running `Command { std: "docker" "start" "-a" "f141a4c9c99fb56ab0bc7a3f714974fd2f50dfad0f89b11681cc8e86a457f057", kill_on_drop: false }`
[INFO] [stderr]     Checking lazycell v0.6.0
[INFO] [stderr]     Checking unicode-width v0.1.5
[INFO] [stderr]     Checking strsim v0.7.0
[INFO] [stderr]     Checking vec_map v0.8.1
[INFO] [stderr]     Checking ansi_term v0.11.0
[INFO] [stderr]     Checking atty v0.2.10
[INFO] [stderr]     Checking log v0.4.1
[INFO] [stderr]     Checking crossbeam-epoch v0.4.1
[INFO] [stderr]     Checking textwrap v0.9.0
[INFO] [stderr]     Checking tokio-io v0.1.6
[INFO] [stderr]     Checking mio v0.6.14
[INFO] [stderr]     Checking crossbeam-deque v0.3.1
[INFO] [stderr]     Checking clap v2.31.2
[INFO] [stderr]     Checking tokio-threadpool v0.1.3
[INFO] [stderr]     Checking tokio-reactor v0.1.1
[INFO] [stderr]     Checking tokio-fs v0.1.0
[INFO] [stderr]     Checking tokio-tcp v0.1.0
[INFO] [stderr]     Checking tokio-udp v0.1.0
[INFO] [stderr]     Checking tokio v0.1.6
[INFO] [stderr]     Checking tokio-core v0.1.17
[INFO] [stderr]     Checking multicaster v0.1.0 (/opt/rustwide/workdir)
[INFO] [stdout] warning: unused variable: `peer`
[INFO] [stdout]   --> src/main.rs:92:32
[INFO] [stdout]    |
[INFO] [stdout] 92 |             if let Some((size, peer)) = self.data {
[INFO] [stdout]    |                                ^^^^ help: if this is intentional, prefix it with an underscore: `_peer`
[INFO] [stdout]    |
[INFO] [stdout]    = note: `#[warn(unused_variables)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `peer`
[INFO] [stdout]   --> src/main.rs:92:32
[INFO] [stdout]    |
[INFO] [stdout] 92 |             if let Some((size, peer)) = self.data {
[INFO] [stdout]    |                                ^^^^ help: if this is intentional, prefix it with an underscore: `_peer`
[INFO] [stdout]    |
[INFO] [stdout]    = note: `#[warn(unused_variables)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: 1 warning emitted
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: 1 warning emitted
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 12.57s
[INFO] running `Command { std: "docker" "inspect" "f141a4c9c99fb56ab0bc7a3f714974fd2f50dfad0f89b11681cc8e86a457f057", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "f141a4c9c99fb56ab0bc7a3f714974fd2f50dfad0f89b11681cc8e86a457f057", kill_on_drop: false }`
[INFO] [stdout] f141a4c9c99fb56ab0bc7a3f714974fd2f50dfad0f89b11681cc8e86a457f057