[INFO] fetching crate kuren 0.1.0...
[INFO] checking kuren-0.1.0 against db8f076d2619ce2585b0380dda06e8da25a40da4 for pr-163699
[INFO] extracting crate kuren 0.1.0 into /workspace/builds/worker-3-tc1/source
[INFO] started tweaking crates.io crate kuren 0.1.0
[INFO] finished tweaking crates.io crate kuren 0.1.0
[INFO] tweaked toml for crates.io crate kuren 0.1.0 written to /workspace/builds/worker-3-tc1/source/Cargo.toml
[INFO] validating manifest of crates.io crate kuren 0.1.0 on toolchain db8f076d2619ce2585b0380dda06e8da25a40da4
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+db8f076d2619ce2585b0380dda06e8da25a40da4" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }`
[INFO] crate crates.io crate kuren 0.1.0 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" "+db8f076d2619ce2585b0380dda06e8da25a40da4" "fetch" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] [stderr]     Updating crates.io index
[INFO] [stderr]  Downloading crates ...
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[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-3-tc1/source:/opt/rustwide/workdir:ro,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-3-tc1/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@sha256:77db811e55d90add9212f6832c23229e3de5f1c1f9905e8cb07319ea15df73ac" "sleep" "infinity", kill_on_drop: false }`
[INFO] [stdout] c0d8f10e5343ef62f4adca11aa5dd379d1a488145ae25149306d1c5eb3709fa9
[INFO] running `Command { std: "docker" "start" "c0d8f10e5343ef62f4adca11aa5dd379d1a488145ae25149306d1c5eb3709fa9", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "c0d8f10e5343ef62f4adca11aa5dd379d1a488145ae25149306d1c5eb3709fa9", 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" "c0d8f10e5343ef62f4adca11aa5dd379d1a488145ae25149306d1c5eb3709fa9" "/opt/rustwide/cargo-home/bin/cargo" "+db8f076d2619ce2585b0380dda06e8da25a40da4" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "c0d8f10e5343ef62f4adca11aa5dd379d1a488145ae25149306d1c5eb3709fa9", 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" "c0d8f10e5343ef62f4adca11aa5dd379d1a488145ae25149306d1c5eb3709fa9" "/opt/rustwide/cargo-home/bin/cargo" "+db8f076d2619ce2585b0380dda06e8da25a40da4" "check" "--frozen" "--all" "--all-targets" "--message-format=json", kill_on_drop: false }`
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[INFO] [stderr]    Compiling kuren v0.1.0 (/opt/rustwide/workdir)
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[INFO] [stdout] warning: function `listen_group` is never used
[INFO] [stdout]    --> src/commands/listen.rs:120:14
[INFO] [stdout]     |
[INFO] [stdout] 120 | pub async fn listen_group(only: Option<Vec<String>>, exclude: Option<Vec<String>>) -> Result<()> {
[INFO] [stdout]     |              ^^^^^^^^^^^^
[INFO] [stdout]     |
[INFO] [stdout]     = note: `#[warn(dead_code)]` (part of `#[warn(unused)]`) on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: method `verifying_key` is never used
[INFO] [stdout]   --> src/keys/mod.rs:77:12
[INFO] [stdout]    |
[INFO] [stdout] 16 | impl Keys {
[INFO] [stdout]    | --------- method in this implementation
[INFO] [stdout] ...
[INFO] [stdout] 77 |     pub fn verifying_key(&self) -> VerifyingKey {
[INFO] [stdout]    |            ^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: function `listen_group` is never used
[INFO] [stdout]    --> src/commands/listen.rs:120:14
[INFO] [stdout]     |
[INFO] [stdout] 120 | pub async fn listen_group(only: Option<Vec<String>>, exclude: Option<Vec<String>>) -> Result<()> {
[INFO] [stdout]     |              ^^^^^^^^^^^^
[INFO] [stdout]     |
[INFO] [stdout]     = note: `#[warn(dead_code)]` (part of `#[warn(unused)]`) on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: method `verifying_key` is never used
[INFO] [stdout]   --> src/keys/mod.rs:77:12
[INFO] [stdout]    |
[INFO] [stdout] 16 | impl Keys {
[INFO] [stdout]    | --------- method in this implementation
[INFO] [stdout] ...
[INFO] [stdout] 77 |     pub fn verifying_key(&self) -> VerifyingKey {
[INFO] [stdout]    |            ^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr] warning: unused dependency `prost-types`
[INFO] [stderr]   --> Cargo.toml:31:15
[INFO] [stderr]    |
[INFO] [stderr] 31 | [dependencies.prost-types]
[INFO] [stderr]    |               ^^^^^^^^^^^^
[INFO] [stderr]    |
[INFO] [stderr]    = note: `cargo::unused_dependencies` is set to `warn` by default
[INFO] [stderr] help: consider removing the dependency on `prost-types`
[INFO] [stderr] warning: unused dependency `thiserror`
[INFO] [stderr]   --> Cargo.toml:45:15
[INFO] [stderr]    |
[INFO] [stderr] 45 | [dependencies.thiserror]
[INFO] [stderr]    |               ^^^^^^^^^^
[INFO] [stderr]    |
[INFO] [stderr] help: consider removing the dependency on `thiserror`
[INFO] [stderr] warning: `kuren` (manifest) generated 2 warnings
[INFO] [stderr]     Finished `dev` profile [unoptimized + debuginfo] target(s) in 1m 20s
[INFO] running `Command { std: "docker" "inspect" "c0d8f10e5343ef62f4adca11aa5dd379d1a488145ae25149306d1c5eb3709fa9", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "c0d8f10e5343ef62f4adca11aa5dd379d1a488145ae25149306d1c5eb3709fa9", kill_on_drop: false }`
[INFO] [stdout] c0d8f10e5343ef62f4adca11aa5dd379d1a488145ae25149306d1c5eb3709fa9