[INFO] cloning repository https://github.com/theojohnhenry/stop-n-wait-protocol
[INFO] running `Command { std: "git" "-c" "credential.helper=" "-c" "credential.helper=/workspace/cargo-home/bin/git-credential-null" "clone" "--bare" "https://github.com/theojohnhenry/stop-n-wait-protocol" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Ftheojohnhenry%2Fstop-n-wait-protocol", kill_on_drop: false }`
[INFO] [stderr] Cloning into bare repository '/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Ftheojohnhenry%2Fstop-n-wait-protocol'...
[INFO] running `Command { std: "git" "rev-parse" "HEAD", kill_on_drop: false }`
[INFO] [stdout] 00788dcb6fb8aa01201e653a3069f7c7411d21d9
[INFO] checking theojohnhenry/stop-n-wait-protocol against 4d7c0cd298ace72490220301fa543d63a154f8ce for pr-164789
[INFO] running `Command { std: "git" "clone" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Ftheojohnhenry%2Fstop-n-wait-protocol" "/workspace/builds/worker-2-tc2/source", kill_on_drop: false }`
[INFO] [stderr] Cloning into '/workspace/builds/worker-2-tc2/source'...
[INFO] [stderr] done.
[INFO] started tweaking git repo https://github.com/theojohnhenry/stop-n-wait-protocol
[INFO] finished tweaking git repo https://github.com/theojohnhenry/stop-n-wait-protocol
[INFO] tweaked toml for git repo https://github.com/theojohnhenry/stop-n-wait-protocol written to /workspace/builds/worker-2-tc2/source/Cargo.toml
[INFO] validating manifest of git repo https://github.com/theojohnhenry/stop-n-wait-protocol on toolchain 4d7c0cd298ace72490220301fa543d63a154f8ce
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+4d7c0cd298ace72490220301fa543d63a154f8ce" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }`
[INFO] crate git repo https://github.com/theojohnhenry/stop-n-wait-protocol 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" "+4d7c0cd298ace72490220301fa543d63a154f8ce" "fetch" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] [stderr]     Blocking waiting for file lock on package cache
[INFO] [stderr]     Blocking waiting for file lock on package cache
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-2-tc2/source:/opt/rustwide/workdir:ro,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-2-tc2/target:/opt/rustwide/target:rw,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" "-m" "1610612736" "--network" "none" "ghcr.io/rust-lang/crates-build-env/linux@sha256:c0af3998e971868164375a7dfb646c9933ddd1a3bdb00fa2041266763dc1eeab" "sleep" "infinity", kill_on_drop: false }`
[INFO] [stdout] dc1951279ff58c3f61bddb1dffca055d8bcce2cf2e743a4cc41dd7878286893b
[INFO] running `Command { std: "docker" "start" "dc1951279ff58c3f61bddb1dffca055d8bcce2cf2e743a4cc41dd7878286893b", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "dc1951279ff58c3f61bddb1dffca055d8bcce2cf2e743a4cc41dd7878286893b", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "exec" "-e" "SOURCE_DIR=/opt/rustwide/workdir" "-e" "CARGO_HOME=/opt/rustwide/cargo-home" "-e" "RUSTUP_HOME=/opt/rustwide/rustup-home" "-e" "CARGO_TARGET_DIR=/opt/rustwide/target" "-w" "/opt/rustwide/workdir" "--user" "0:0" "dc1951279ff58c3f61bddb1dffca055d8bcce2cf2e743a4cc41dd7878286893b" "/opt/rustwide/cargo-home/bin/cargo" "+4d7c0cd298ace72490220301fa543d63a154f8ce" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "dc1951279ff58c3f61bddb1dffca055d8bcce2cf2e743a4cc41dd7878286893b", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "exec" "-e" "SOURCE_DIR=/opt/rustwide/workdir" "-e" "CARGO_HOME=/opt/rustwide/cargo-home" "-e" "RUSTUP_HOME=/opt/rustwide/rustup-home" "-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" "-w" "/opt/rustwide/workdir" "--user" "0:0" "dc1951279ff58c3f61bddb1dffca055d8bcce2cf2e743a4cc41dd7878286893b" "/opt/rustwide/cargo-home/bin/cargo" "+4d7c0cd298ace72490220301fa543d63a154f8ce" "check" "--frozen" "--all" "--all-targets" "--message-format=json", kill_on_drop: false }`
[INFO] [stderr]    Compiling libc v0.2.178
[INFO] [stderr]    Compiling proc-macro2 v1.0.103
[INFO] [stderr]    Compiling zerocopy v0.8.31
[INFO] [stderr]    Compiling quote v1.0.42
[INFO] [stderr]    Compiling unicode-ident v1.0.22
[INFO] [stderr]     Checking bytes v1.11.0
[INFO] [stderr]    Compiling syn v2.0.111
[INFO] [stderr]     Checking getrandom v0.2.16
[INFO] [stderr]     Checking parking_lot_core v0.9.12
[INFO] [stderr]     Checking signal-hook-registry v1.4.7
[INFO] [stderr]     Checking mio v1.1.1
[INFO] [stderr]     Checking socket2 v0.6.1
[INFO] [stderr]     Checking rand_core v0.6.4
[INFO] [stderr]     Checking parking_lot v0.12.5
[INFO] [stderr]     Checking ppv-lite86 v0.2.21
[INFO] [stderr]     Checking rand_chacha v0.3.1
[INFO] [stderr]     Checking rand v0.8.5
[INFO] [stderr]    Compiling tokio-macros v2.6.0
[INFO] [stderr]     Checking tokio v1.48.0
[INFO] [stderr]     Checking async_warmup v0.1.0 (/opt/rustwide/workdir)
[INFO] [stdout] warning: variant `Ignore` is never constructed
[INFO] [stdout]   --> src/protocol.rs:63:5
[INFO] [stdout]    |
[INFO] [stdout] 61 | pub enum ReceiverAction {
[INFO] [stdout]    |          -------------- variant in this enum
[INFO] [stdout] 62 |     Send(Packet),
[INFO] [stdout] 63 |     Ignore,
[INFO] [stdout]    |     ^^^^^^
[INFO] [stdout]    |
[INFO] [stdout]    = note: `ReceiverAction` has a derived impl for the trait `Debug`, but this is intentionally ignored during dead code analysis
[INFO] [stdout]    = note: `#[warn(dead_code)]` (part of `#[warn(unused)]`) on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: variant `Ignore` is never constructed
[INFO] [stdout]   --> src/protocol.rs:63:5
[INFO] [stdout]    |
[INFO] [stdout] 61 | pub enum ReceiverAction {
[INFO] [stdout]    |          -------------- variant in this enum
[INFO] [stdout] 62 |     Send(Packet),
[INFO] [stdout] 63 |     Ignore,
[INFO] [stdout]    |     ^^^^^^
[INFO] [stdout]    |
[INFO] [stdout]    = note: `ReceiverAction` has a derived impl for the trait `Debug`, but this is intentionally ignored during dead code analysis
[INFO] [stdout]    = note: `#[warn(dead_code)]` (part of `#[warn(unused)]`) on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr]     Finished `dev` profile [unoptimized + debuginfo] target(s) in 9.46s
[INFO] running `Command { std: "docker" "inspect" "dc1951279ff58c3f61bddb1dffca055d8bcce2cf2e743a4cc41dd7878286893b", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "dc1951279ff58c3f61bddb1dffca055d8bcce2cf2e743a4cc41dd7878286893b", kill_on_drop: false }`
[INFO] [stdout] dc1951279ff58c3f61bddb1dffca055d8bcce2cf2e743a4cc41dd7878286893b
