[INFO] cloning repository https://github.com/aaronsouthcombe/rust-chatapp
[INFO] running `Command { std: "git" "-c" "credential.helper=" "-c" "credential.helper=/workspace/cargo-home/bin/git-credential-null" "clone" "--bare" "https://github.com/aaronsouthcombe/rust-chatapp" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Faaronsouthcombe%2Frust-chatapp", kill_on_drop: false }`
[INFO] [stderr] Cloning into bare repository '/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Faaronsouthcombe%2Frust-chatapp'...
[INFO] running `Command { std: "git" "rev-parse" "HEAD", kill_on_drop: false }`
[INFO] [stdout] d3809169a8ec5821a1e06678d6bbd2cf4a983c09
[INFO] checking aaronsouthcombe/rust-chatapp/d3809169a8ec5821a1e06678d6bbd2cf4a983c09 against master#ab869e094a907cc5d19b4080f22eccaf347f1f95 for pr-129604
[INFO] running `Command { std: "git" "clone" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Faaronsouthcombe%2Frust-chatapp" "/workspace/builds/worker-2-tc1/source", kill_on_drop: false }`
[INFO] [stderr] Cloning into '/workspace/builds/worker-2-tc1/source'...
[INFO] [stderr] done.
[INFO] validating manifest of git repo https://github.com/aaronsouthcombe/rust-chatapp on toolchain ab869e094a907cc5d19b4080f22eccaf347f1f95
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+ab869e094a907cc5d19b4080f22eccaf347f1f95" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }`
[INFO] started tweaking git repo https://github.com/aaronsouthcombe/rust-chatapp
[INFO] finished tweaking git repo https://github.com/aaronsouthcombe/rust-chatapp
[INFO] tweaked toml for git repo https://github.com/aaronsouthcombe/rust-chatapp written to /workspace/builds/worker-2-tc1/source/Cargo.toml
[INFO] crate git repo https://github.com/aaronsouthcombe/rust-chatapp 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" "+ab869e094a907cc5d19b4080f22eccaf347f1f95" "fetch" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-2-tc1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-2-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@sha256:923055f121b5182466d55868a8b05e67af8ba4a3a3f6bad814e953ca3cd3ac2a" "/opt/rustwide/cargo-home/bin/cargo" "+ab869e094a907cc5d19b4080f22eccaf347f1f95" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] 7e5806957e7aaaf452be8a0e7f43cb1b40dd8bca9bb9042ad054c9bc7d4e4c23
[INFO] running `Command { std: "docker" "start" "-a" "7e5806957e7aaaf452be8a0e7f43cb1b40dd8bca9bb9042ad054c9bc7d4e4c23", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "7e5806957e7aaaf452be8a0e7f43cb1b40dd8bca9bb9042ad054c9bc7d4e4c23", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "7e5806957e7aaaf452be8a0e7f43cb1b40dd8bca9bb9042ad054c9bc7d4e4c23", kill_on_drop: false }`
[INFO] [stdout] 7e5806957e7aaaf452be8a0e7f43cb1b40dd8bca9bb9042ad054c9bc7d4e4c23
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-2-tc1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-2-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@sha256:923055f121b5182466d55868a8b05e67af8ba4a3a3f6bad814e953ca3cd3ac2a" "/opt/rustwide/cargo-home/bin/cargo" "+ab869e094a907cc5d19b4080f22eccaf347f1f95" "check" "--frozen" "--all" "--all-targets" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] 8a910f2ecc87bbb838faf1ebdd7e39da4cfb9c3ef5f3961376735386c333e1c4
[INFO] running `Command { std: "docker" "start" "-a" "8a910f2ecc87bbb838faf1ebdd7e39da4cfb9c3ef5f3961376735386c333e1c4", kill_on_drop: false }`
[INFO] [stderr]    Compiling futures-core v0.3.28
[INFO] [stderr]    Compiling memchr v2.5.0
[INFO] [stderr]    Compiling slab v0.4.8
[INFO] [stderr]    Compiling crossbeam-utils v0.8.16
[INFO] [stderr]     Checking pin-project-lite v0.2.12
[INFO] [stderr]     Checking futures-io v0.3.28
[INFO] [stderr]     Checking event-listener v2.5.3
[INFO] [stderr]     Checking value-bag v1.4.1
[INFO] [stderr]     Checking parking v2.1.0
[INFO] [stderr]    Compiling io-lifetimes v1.0.11
[INFO] [stderr]     Checking fastrand v1.9.0
[INFO] [stderr]     Checking waker-fn v1.1.0
[INFO] [stderr]    Compiling polling v2.8.0
[INFO] [stderr]    Compiling futures-channel v0.3.28
[INFO] [stderr]    Compiling futures-task v0.3.28
[INFO] [stderr]    Compiling rustix v0.37.23
[INFO] [stderr]    Compiling syn v2.0.28
[INFO] [stderr]    Compiling async-io v1.13.0
[INFO] [stderr]    Compiling futures-util v0.3.28
[INFO] [stderr]     Checking futures-sink v0.3.28
[INFO] [stderr]     Checking async-lock v2.8.0
[INFO] [stderr]     Checking async-task v4.4.0
[INFO] [stderr]     Checking linux-raw-sys v0.3.8
[INFO] [stderr]     Checking atomic-waker v1.1.1
[INFO] [stderr]     Checking once_cell v1.18.0
[INFO] [stderr]     Checking log v0.4.20
[INFO] [stderr]     Checking concurrent-queue v2.2.0
[INFO] [stderr]     Checking async-channel v1.9.0
[INFO] [stderr]     Checking kv-log-macro v1.0.7
[INFO] [stderr]     Checking futures-lite v1.13.0
[INFO] [stderr]     Checking async-executor v1.5.1
[INFO] [stderr]     Checking blocking v1.3.1
[INFO] [stderr]    Compiling futures-macro v0.3.28
[INFO] [stderr]     Checking async-global-executor v2.3.1
[INFO] [stderr]     Checking async-std v1.12.0
[INFO] [stderr]     Checking futures-executor v0.3.28
[INFO] [stderr]     Checking futures v0.3.28
[INFO] [stderr]     Checking rust v0.1.0 (/opt/rustwide/workdir)
[INFO] [stdout] warning: unreachable pattern
[INFO] [stdout]   --> src/main.rs:99:17
[INFO] [stdout]    |
[INFO] [stdout] 99 |                 Some(void) => match void {},
[INFO] [stdout]    |                 ^^^^^^^^^^ matches no values because `Void` is uninhabited
[INFO] [stdout]    |
[INFO] [stdout]    = note: to learn more about uninhabited types, see https://doc.rust-lang.org/nomicon/exotic-sizes.html#empty-types
[INFO] [stdout]    = note: `#[warn(unreachable_patterns)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unreachable pattern
[INFO] [stdout]   --> src/main.rs:99:17
[INFO] [stdout]    |
[INFO] [stdout] 99 |                 Some(void) => match void {},
[INFO] [stdout]    |                 ^^^^^^^^^^ matches no values because `Void` is uninhabited
[INFO] [stdout]    |
[INFO] [stdout]    = note: to learn more about uninhabited types, see https://doc.rust-lang.org/nomicon/exotic-sizes.html#empty-types
[INFO] [stdout]    = note: `#[warn(unreachable_patterns)]` 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` profile [unoptimized + debuginfo] target(s) in 13.45s
[INFO] running `Command { std: "docker" "inspect" "8a910f2ecc87bbb838faf1ebdd7e39da4cfb9c3ef5f3961376735386c333e1c4", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "8a910f2ecc87bbb838faf1ebdd7e39da4cfb9c3ef5f3961376735386c333e1c4", kill_on_drop: false }`
[INFO] [stdout] 8a910f2ecc87bbb838faf1ebdd7e39da4cfb9c3ef5f3961376735386c333e1c4