[INFO] fetching crate gurk 0.1.2...
[INFO] checking gurk-0.1.2 against master#ab869e094a907cc5d19b4080f22eccaf347f1f95 for pr-129604
[INFO] extracting crate gurk 0.1.2 into /workspace/builds/worker-2-tc1/source
[INFO] validating manifest of crates.io crate gurk 0.1.2 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 crates.io crate gurk 0.1.2
[INFO] finished tweaking crates.io crate gurk 0.1.2
[INFO] tweaked toml for crates.io crate gurk 0.1.2 written to /workspace/builds/worker-2-tc1/source/Cargo.toml
[INFO] crate crates.io crate gurk 0.1.2 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] [stderr]     Updating crates.io index
[INFO] [stderr]     Blocking waiting for file lock on package cache
[INFO] [stderr]  Downloading crates ...
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[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 }`
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[INFO] running `Command { std: "docker" "start" "-a" "b981d7b3b88f35f31f0ea9019b40ca34077a260b2e973c4fdbef2a3e83d4bba4", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "b981d7b3b88f35f31f0ea9019b40ca34077a260b2e973c4fdbef2a3e83d4bba4", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "b981d7b3b88f35f31f0ea9019b40ca34077a260b2e973c4fdbef2a3e83d4bba4", kill_on_drop: false }`
[INFO] [stdout] b981d7b3b88f35f31f0ea9019b40ca34077a260b2e973c4fdbef2a3e83d4bba4
[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] 3f066dcfd305b5f4d0f334c84dab221278a85cc4cb6c6ebb15ce7a80f81f078b
[INFO] running `Command { std: "docker" "start" "-a" "3f066dcfd305b5f4d0f334c84dab221278a85cc4cb6c6ebb15ce7a80f81f078b", kill_on_drop: false }`
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[INFO] [stderr]     Checking lock_api v0.3.4
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[INFO] [stdout] warning: field `signal_client` is never read
[INFO] [stdout]   --> src/app.rs:19:9
[INFO] [stdout]    |
[INFO] [stdout] 15 | pub struct App {
[INFO] [stdout]    |            --- field in this struct
[INFO] [stdout] ...
[INFO] [stdout] 19 |     pub signal_client: signal::SignalClient,
[INFO] [stdout]    |         ^^^^^^^^^^^^^
[INFO] [stdout]    |
[INFO] [stdout]    = note: `#[warn(dead_code)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: fields `source_device`, `message`, `is_receipt`, `is_read`, and `is_delivery` are never read
[INFO] [stdout]    --> src/signal.rs:201:9
[INFO] [stdout]     |
[INFO] [stdout] 199 | pub struct Envelope {
[INFO] [stdout]     |            -------- fields in this struct
[INFO] [stdout] 200 |     pub source: String,
[INFO] [stdout] 201 |     pub source_device: u8,
[INFO] [stdout]     |         ^^^^^^^^^^^^^
[INFO] [stdout] ...
[INFO] [stdout] 204 |     pub message: Option<String>,
[INFO] [stdout]     |         ^^^^^^^
[INFO] [stdout] 205 |     pub is_receipt: bool,
[INFO] [stdout]     |         ^^^^^^^^^^
[INFO] [stdout] 206 |     pub is_read: Option<bool>,
[INFO] [stdout]     |         ^^^^^^^
[INFO] [stdout] 207 |     pub is_delivery: Option<bool>,
[INFO] [stdout]     |         ^^^^^^^^^^^
[INFO] [stdout]     |
[INFO] [stdout]     = note: `Envelope` has derived impls for the traits `Clone` and `Debug`, but these are intentionally ignored during dead code analysis
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: fields `timestamp` and `expires_in_seconds` are never read
[INFO] [stdout]    --> src/signal.rs:217:9
[INFO] [stdout]     |
[INFO] [stdout] 216 | pub struct InnerMessage {
[INFO] [stdout]     |            ------------ fields in this struct
[INFO] [stdout] 217 |     pub timestamp: u64,
[INFO] [stdout]     |         ^^^^^^^^^
[INFO] [stdout] 218 |     pub message: Option<String>,
[INFO] [stdout] 219 |     pub expires_in_seconds: u64,
[INFO] [stdout]     |         ^^^^^^^^^^^^^^^^^^
[INFO] [stdout]     |
[INFO] [stdout]     = note: `InnerMessage` has derived impls for the traits `Clone` and `Debug`, but these are intentionally ignored during dead code analysis
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: 3 warnings emitted
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: field `signal_client` is never read
[INFO] [stdout]   --> src/app.rs:19:9
[INFO] [stdout]    |
[INFO] [stdout] 15 | pub struct App {
[INFO] [stdout]    |            --- field in this struct
[INFO] [stdout] ...
[INFO] [stdout] 19 |     pub signal_client: signal::SignalClient,
[INFO] [stdout]    |         ^^^^^^^^^^^^^
[INFO] [stdout]    |
[INFO] [stdout]    = note: `#[warn(dead_code)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: fields `source_device`, `message`, `is_receipt`, `is_read`, and `is_delivery` are never read
[INFO] [stdout]    --> src/signal.rs:201:9
[INFO] [stdout]     |
[INFO] [stdout] 199 | pub struct Envelope {
[INFO] [stdout]     |            -------- fields in this struct
[INFO] [stdout] 200 |     pub source: String,
[INFO] [stdout] 201 |     pub source_device: u8,
[INFO] [stdout]     |         ^^^^^^^^^^^^^
[INFO] [stdout] ...
[INFO] [stdout] 204 |     pub message: Option<String>,
[INFO] [stdout]     |         ^^^^^^^
[INFO] [stdout] 205 |     pub is_receipt: bool,
[INFO] [stdout]     |         ^^^^^^^^^^
[INFO] [stdout] 206 |     pub is_read: Option<bool>,
[INFO] [stdout]     |         ^^^^^^^
[INFO] [stdout] 207 |     pub is_delivery: Option<bool>,
[INFO] [stdout]     |         ^^^^^^^^^^^
[INFO] [stdout]     |
[INFO] [stdout]     = note: `Envelope` has derived impls for the traits `Clone` and `Debug`, but these are intentionally ignored during dead code analysis
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: fields `timestamp` and `expires_in_seconds` are never read
[INFO] [stdout]    --> src/signal.rs:217:9
[INFO] [stdout]     |
[INFO] [stdout] 216 | pub struct InnerMessage {
[INFO] [stdout]     |            ------------ fields in this struct
[INFO] [stdout] 217 |     pub timestamp: u64,
[INFO] [stdout]     |         ^^^^^^^^^
[INFO] [stdout] 218 |     pub message: Option<String>,
[INFO] [stdout] 219 |     pub expires_in_seconds: u64,
[INFO] [stdout]     |         ^^^^^^^^^^^^^^^^^^
[INFO] [stdout]     |
[INFO] [stdout]     = note: `InnerMessage` has derived impls for the traits `Clone` and `Debug`, but these are intentionally ignored during dead code analysis
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: 3 warnings emitted
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr]     Finished `dev` profile [unoptimized + debuginfo] target(s) in 25.62s
[INFO] running `Command { std: "docker" "inspect" "3f066dcfd305b5f4d0f334c84dab221278a85cc4cb6c6ebb15ce7a80f81f078b", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "3f066dcfd305b5f4d0f334c84dab221278a85cc4cb6c6ebb15ce7a80f81f078b", kill_on_drop: false }`
[INFO] [stdout] 3f066dcfd305b5f4d0f334c84dab221278a85cc4cb6c6ebb15ce7a80f81f078b