[INFO] cloning repository https://github.com/favilo/vorticity
[INFO] running `Command { std: "git" "-c" "credential.helper=" "-c" "credential.helper=/workspace/cargo-home/bin/git-credential-null" "clone" "--bare" "https://github.com/favilo/vorticity" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Ffavilo%2Fvorticity", kill_on_drop: false }`
[INFO] [stderr] Cloning into bare repository '/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Ffavilo%2Fvorticity'...
[INFO] running `Command { std: "git" "rev-parse" "HEAD", kill_on_drop: false }`
[INFO] [stdout] 918445b1bbed2dacbc85852852d9fa356f7a7eda
[INFO] checking favilo/vorticity against master#db0e836148accac8a22532e3596ac612b63c2d8e for pr-139272
[INFO] running `Command { std: "git" "clone" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Ffavilo%2Fvorticity" "/workspace/builds/worker-0-tc1/source", kill_on_drop: false }`
[INFO] [stderr] Cloning into '/workspace/builds/worker-0-tc1/source'...
[INFO] [stderr] done.
[INFO] validating manifest of git repo https://github.com/favilo/vorticity on toolchain db0e836148accac8a22532e3596ac612b63c2d8e
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+db0e836148accac8a22532e3596ac612b63c2d8e" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }`
[INFO] started tweaking git repo https://github.com/favilo/vorticity
[INFO] finished tweaking git repo https://github.com/favilo/vorticity
[INFO] tweaked toml for git repo https://github.com/favilo/vorticity written to /workspace/builds/worker-0-tc1/source/Cargo.toml
[INFO] crate git repo https://github.com/favilo/vorticity 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" "+db0e836148accac8a22532e3596ac612b63c2d8e" "fetch" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] [stderr]     Blocking waiting for file lock on package cache
[INFO] [stderr]     Updating crates.io index
[INFO] [stderr]  Downloading crates ...
[INFO] [stderr]   Downloaded yrs v0.18.2
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-0-tc1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-0-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:b0b074c097205a61b89e8ad263052f976b2b332c4dc5f02aef1fe52501660d6e" "/opt/rustwide/cargo-home/bin/cargo" "+db0e836148accac8a22532e3596ac612b63c2d8e" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] f366a149a0f62c9466956b571343da29f8035b7553defa68c316525fd8c51e7e
[INFO] running `Command { std: "docker" "start" "-a" "f366a149a0f62c9466956b571343da29f8035b7553defa68c316525fd8c51e7e", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "f366a149a0f62c9466956b571343da29f8035b7553defa68c316525fd8c51e7e", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "f366a149a0f62c9466956b571343da29f8035b7553defa68c316525fd8c51e7e", kill_on_drop: false }`
[INFO] [stdout] f366a149a0f62c9466956b571343da29f8035b7553defa68c316525fd8c51e7e
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-0-tc1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-0-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:b0b074c097205a61b89e8ad263052f976b2b332c4dc5f02aef1fe52501660d6e" "/opt/rustwide/cargo-home/bin/cargo" "+db0e836148accac8a22532e3596ac612b63c2d8e" "check" "--frozen" "--all" "--all-targets" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] b14bca866bc3d72f4f99afe58717d99ae62abdfd7ef0116ae16555d7a5f5a82c
[INFO] running `Command { std: "docker" "start" "-a" "b14bca866bc3d72f4f99afe58717d99ae62abdfd7ef0116ae16555d7a5f5a82c", kill_on_drop: false }`
[INFO] [stderr]    Compiling proc-macro2 v1.0.79
[INFO] [stderr]    Compiling unicode-ident v1.0.12
[INFO] [stderr]    Compiling libc v0.2.153
[INFO] [stderr]    Compiling serde v1.0.197
[INFO] [stderr]     Checking cfg-if v1.0.0
[INFO] [stderr]    Compiling thiserror v1.0.58
[INFO] [stderr]    Compiling serde_json v1.0.115
[INFO] [stderr]     Checking itoa v1.0.11
[INFO] [stderr]     Checking ppv-lite86 v0.2.17
[INFO] [stderr]    Compiling anyhow v1.0.81
[INFO] [stderr]     Checking smallvec v1.13.2
[INFO] [stderr]     Checking ryu v1.0.17
[INFO] [stderr]     Checking atomic_refcell v0.1.13
[INFO] [stderr]     Checking arc-swap v1.7.1
[INFO] [stderr]     Checking fastrand v2.0.2
[INFO] [stderr]     Checking base64 v0.22.0
[INFO] [stderr]     Checking smallstr v0.3.0
[INFO] [stderr]    Compiling quote v1.0.35
[INFO] [stderr]    Compiling syn v2.0.58
[INFO] [stderr]     Checking getrandom v0.2.13
[INFO] [stderr]     Checking rand_core v0.6.4
[INFO] [stderr]     Checking rand_chacha v0.3.1
[INFO] [stderr]     Checking rand v0.8.5
[INFO] [stderr]    Compiling serde_derive v1.0.197
[INFO] [stderr]    Compiling thiserror-impl v1.0.58
[INFO] [stderr]     Checking erased-serde v0.4.4
[INFO] [stderr]     Checking yrs v0.18.2
[INFO] [stderr]     Checking vorticity v0.1.0 (/opt/rustwide/workdir)
[INFO] [stdout] warning: field `count` is never read
[INFO] [stdout]    --> src/message.rs:290:5
[INFO] [stdout]     |
[INFO] [stdout] 285 | pub struct MessageSet<Payload> {
[INFO] [stdout]     |            ---------- field in this struct
[INFO] [stdout] ...
[INFO] [stdout] 290 |     count: usize,
[INFO] [stdout]     |     ^^^^^
[INFO] [stdout]     |
[INFO] [stdout]     = note: `#[warn(dead_code)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: field `count` is never read
[INFO] [stdout]    --> src/message.rs:290:5
[INFO] [stdout]     |
[INFO] [stdout] 285 | pub struct MessageSet<Payload> {
[INFO] [stdout]     |            ---------- field in this struct
[INFO] [stdout] ...
[INFO] [stdout] 290 |     count: usize,
[INFO] [stdout]     |     ^^^^^
[INFO] [stdout]     |
[INFO] [stdout]     = note: `#[warn(dead_code)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: variants `MoreWork` and `Finished` are never constructed
[INFO] [stdout]   --> src/bin/kafka.rs:28:5
[INFO] [stdout]    |
[INFO] [stdout] 27 | enum CallbackStatus {
[INFO] [stdout]    |      -------------- variants in this enum
[INFO] [stdout] 28 |     MoreWork,
[INFO] [stdout]    |     ^^^^^^^^
[INFO] [stdout] 29 |     Finished,
[INFO] [stdout]    |     ^^^^^^^^
[INFO] [stdout]    |
[INFO] [stdout]    = note: `#[warn(dead_code)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: associated function `new` is never used
[INFO] [stdout]   --> src/bin/kafka.rs:46:8
[INFO] [stdout]    |
[INFO] [stdout] 45 | impl CallbackInfo {
[INFO] [stdout]    | ----------------- associated function in this implementation
[INFO] [stdout] 46 |     fn new(
[INFO] [stdout]    |        ^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: variants `MoreWork` and `Finished` are never constructed
[INFO] [stdout]   --> src/bin/kafka.rs:28:5
[INFO] [stdout]    |
[INFO] [stdout] 27 | enum CallbackStatus {
[INFO] [stdout]    |      -------------- variants in this enum
[INFO] [stdout] 28 |     MoreWork,
[INFO] [stdout]    |     ^^^^^^^^
[INFO] [stdout] 29 |     Finished,
[INFO] [stdout]    |     ^^^^^^^^
[INFO] [stdout]    |
[INFO] [stdout]    = note: `#[warn(dead_code)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: associated function `new` is never used
[INFO] [stdout]   --> src/bin/kafka.rs:46:8
[INFO] [stdout]    |
[INFO] [stdout] 45 | impl CallbackInfo {
[INFO] [stdout]    | ----------------- associated function in this implementation
[INFO] [stdout] 46 |     fn new(
[INFO] [stdout]    |        ^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr]     Finished `dev` profile [unoptimized + debuginfo] target(s) in 16.83s
[INFO] running `Command { std: "docker" "inspect" "b14bca866bc3d72f4f99afe58717d99ae62abdfd7ef0116ae16555d7a5f5a82c", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "b14bca866bc3d72f4f99afe58717d99ae62abdfd7ef0116ae16555d7a5f5a82c", kill_on_drop: false }`
[INFO] [stdout] b14bca866bc3d72f4f99afe58717d99ae62abdfd7ef0116ae16555d7a5f5a82c