[INFO] cloning repository https://github.com/christian-smith/rust-udp-server
[INFO] running `Command { std: "git" "-c" "credential.helper=" "-c" "credential.helper=/workspace/cargo-home/bin/git-credential-null" "clone" "--bare" "https://github.com/christian-smith/rust-udp-server" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fchristian-smith%2Frust-udp-server", kill_on_drop: false }`
[INFO] [stderr] Cloning into bare repository '/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fchristian-smith%2Frust-udp-server'...
[INFO] running `Command { std: "git" "rev-parse" "HEAD", kill_on_drop: false }`
[INFO] [stdout] ccb5ecd45c426c258b80dbf48e0be57022f225f7
[INFO] checking christian-smith/rust-udp-server against try#45d8b6e68beee1c9c1ce92ae258a7e02f8f13aa4 for pr-83744
[INFO] running `Command { std: "git" "clone" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fchristian-smith%2Frust-udp-server" "/workspace/builds/worker-10/source", kill_on_drop: false }`
[INFO] [stderr] Cloning into '/workspace/builds/worker-10/source'...
[INFO] [stderr] done.
[INFO] validating manifest of git repo https://github.com/christian-smith/rust-udp-server on toolchain 45d8b6e68beee1c9c1ce92ae258a7e02f8f13aa4
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+45d8b6e68beee1c9c1ce92ae258a7e02f8f13aa4" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }`
[INFO] started tweaking git repo https://github.com/christian-smith/rust-udp-server
[INFO] finished tweaking git repo https://github.com/christian-smith/rust-udp-server
[INFO] tweaked toml for git repo https://github.com/christian-smith/rust-udp-server written to /workspace/builds/worker-10/source/Cargo.toml
[INFO] crate git repo https://github.com/christian-smith/rust-udp-server already has a lockfile, it will not be regenerated
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+45d8b6e68beee1c9c1ce92ae258a7e02f8f13aa4" "fetch" "--locked" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] [stderr]  Downloading crates ...
[INFO] [stderr]   Downloaded typenum v1.5.2
[INFO] [stderr]   Downloaded generic-array v0.7.2
[INFO] [stderr]   Downloaded digest-buffer v0.3.1
[INFO] [stderr]   Downloaded sha2 v0.5.2
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-10/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-10/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@sha256:20528e8c29e4536546f0102ce88568b16ea7538393a33fcca951030f7af10457" "/opt/rustwide/cargo-home/bin/cargo" "+45d8b6e68beee1c9c1ce92ae258a7e02f8f13aa4" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] 611c60eec6b6caa6ec2cab88133a051298b41c6f33f07dcb127f0482cf001ef0
[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" "611c60eec6b6caa6ec2cab88133a051298b41c6f33f07dcb127f0482cf001ef0", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "611c60eec6b6caa6ec2cab88133a051298b41c6f33f07dcb127f0482cf001ef0", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "611c60eec6b6caa6ec2cab88133a051298b41c6f33f07dcb127f0482cf001ef0", kill_on_drop: false }`
[INFO] [stdout] 611c60eec6b6caa6ec2cab88133a051298b41c6f33f07dcb127f0482cf001ef0
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-10/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-10/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@sha256:20528e8c29e4536546f0102ce88568b16ea7538393a33fcca951030f7af10457" "/opt/rustwide/cargo-home/bin/cargo" "+45d8b6e68beee1c9c1ce92ae258a7e02f8f13aa4" "check" "--frozen" "--all" "--all-targets" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] 81196b2c3c4bced0097b94b0771722c5c19131ae64b504fef4fb759565b883f6
[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" "81196b2c3c4bced0097b94b0771722c5c19131ae64b504fef4fb759565b883f6", kill_on_drop: false }`
[INFO] [stderr]    Compiling typenum v1.5.2
[INFO] [stderr]     Checking byte-tools v0.1.3
[INFO] [stderr]     Checking libc v0.2.23
[INFO] [stderr]     Checking byteorder v1.0.0
[INFO] [stderr]     Checking time v0.1.37
[INFO] [stderr]     Checking generic-array v0.7.2
[INFO] [stderr]     Checking digest v0.5.2
[INFO] [stderr]     Checking digest-buffer v0.3.1
[INFO] [stderr]     Checking sha2 v0.5.2
[INFO] [stderr]     Checking udp v0.1.0 (/opt/rustwide/workdir)
[INFO] [stdout] warning: unnecessary trailing semicolon
[INFO] [stdout]   --> src/data.rs:81:62
[INFO] [stdout]    |
[INFO] [stdout] 81 |             offset = packet.offset + packet.data_size as u32;;
[INFO] [stdout]    |                                                              ^ help: remove this semicolon
[INFO] [stdout]    |
[INFO] [stdout]    = note: `#[warn(redundant_semicolons)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unnecessary trailing semicolon
[INFO] [stdout]   --> src/data.rs:81:62
[INFO] [stdout]    |
[INFO] [stdout] 81 |             offset = packet.offset + packet.data_size as u32;;
[INFO] [stdout]    |                                                              ^ help: remove this semicolon
[INFO] [stdout]    |
[INFO] [stdout]    = note: `#[warn(redundant_semicolons)]` 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 4.92s
[INFO] running `Command { std: "docker" "inspect" "81196b2c3c4bced0097b94b0771722c5c19131ae64b504fef4fb759565b883f6", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "81196b2c3c4bced0097b94b0771722c5c19131ae64b504fef4fb759565b883f6", kill_on_drop: false }`
[INFO] [stdout] 81196b2c3c4bced0097b94b0771722c5c19131ae64b504fef4fb759565b883f6