[INFO] fetching crate hexchat-plugin 0.2.14...
[INFO] checking hexchat-plugin-0.2.14 against master#22572d0994593197593e2a1b7b18d720a9a349a7 for pr-126452-1
[INFO] extracting crate hexchat-plugin 0.2.14 into /workspace/builds/worker-0-tc1/source
[INFO] validating manifest of crates.io crate hexchat-plugin 0.2.14 on toolchain 22572d0994593197593e2a1b7b18d720a9a349a7
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+22572d0994593197593e2a1b7b18d720a9a349a7" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }`
[INFO] started tweaking crates.io crate hexchat-plugin 0.2.14
[INFO] finished tweaking crates.io crate hexchat-plugin 0.2.14
[INFO] tweaked toml for crates.io crate hexchat-plugin 0.2.14 written to /workspace/builds/worker-0-tc1/source/Cargo.toml
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+22572d0994593197593e2a1b7b18d720a9a349a7" "generate-lockfile" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] [stderr]     Updating crates.io index
[INFO] [stderr]      Locking 2 packages to latest compatible versions
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+22572d0994593197593e2a1b7b18d720a9a349a7" "fetch" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] [stderr] warning: no edition set: defaulting to the 2015 edition while the latest is 2021
[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@sha256:923055f121b5182466d55868a8b05e67af8ba4a3a3f6bad814e953ca3cd3ac2a" "/opt/rustwide/cargo-home/bin/cargo" "+22572d0994593197593e2a1b7b18d720a9a349a7" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] 5540a75e62a9bc1fa649c936debafdb02bf1c8eca3fb3d6563506e9febea2318
[INFO] running `Command { std: "docker" "start" "-a" "5540a75e62a9bc1fa649c936debafdb02bf1c8eca3fb3d6563506e9febea2318", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "5540a75e62a9bc1fa649c936debafdb02bf1c8eca3fb3d6563506e9febea2318", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "5540a75e62a9bc1fa649c936debafdb02bf1c8eca3fb3d6563506e9febea2318", kill_on_drop: false }`
[INFO] [stdout] 5540a75e62a9bc1fa649c936debafdb02bf1c8eca3fb3d6563506e9febea2318
[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@sha256:923055f121b5182466d55868a8b05e67af8ba4a3a3f6bad814e953ca3cd3ac2a" "/opt/rustwide/cargo-home/bin/cargo" "+22572d0994593197593e2a1b7b18d720a9a349a7" "check" "--frozen" "--all" "--all-targets" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] 66cf6ef869ce88414371c0ff27840e7358ac9139c77136900fa0ab8ea9978f19
[INFO] running `Command { std: "docker" "start" "-a" "66cf6ef869ce88414371c0ff27840e7358ac9139c77136900fa0ab8ea9978f19", kill_on_drop: false }`
[INFO] [stderr] warning: no edition set: defaulting to the 2015 edition while the latest is 2021
[INFO] [stderr]     Checking hexchat-plugin v0.2.14 (/opt/rustwide/workdir)
[INFO] [stdout] warning: unused variable: `filename`
[INFO] [stdout]     --> src/lib.rs:1447:9
[INFO] [stdout]      |
[INFO] [stdout] 1447 |     let filename = if !(*plugin_name).is_null() {
[INFO] [stdout]      |         ^^^^^^^^ help: if this is intentional, prefix it with an underscore: `_filename`
[INFO] [stdout]      |
[INFO] [stdout]      = note: `#[warn(unused_variables)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: field `closure` is never read
[INFO] [stdout]    --> src/lib.rs:359:5
[INFO] [stdout]     |
[INFO] [stdout] 357 | pub struct Context {
[INFO] [stdout]     |            ------- field in this struct
[INFO] [stdout] 358 |     ctx: RcWeak<*const internals::HexchatContext>, // may be null
[INFO] [stdout] 359 |     closure: Rc<Cell<Option<PrintHookHandle>>>,
[INFO] [stdout]     |     ^^^^^^^
[INFO] [stdout]     |
[INFO] [stdout]     = note: `Context` has a derived impl for the trait `Clone`, but this is intentionally ignored during dead code analysis
[INFO] [stdout]     = note: `#[warn(dead_code)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `filename`
[INFO] [stdout]     --> src/lib.rs:1447:9
[INFO] [stdout]      |
[INFO] [stdout] 1447 |     let filename = if !(*plugin_name).is_null() {
[INFO] [stdout]      |         ^^^^^^^^ help: if this is intentional, prefix it with an underscore: `_filename`
[INFO] [stdout]      |
[INFO] [stdout]      = note: `#[warn(unused_variables)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: 2 warnings emitted
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: field `closure` is never read
[INFO] [stdout]    --> src/lib.rs:359:5
[INFO] [stdout]     |
[INFO] [stdout] 357 | pub struct Context {
[INFO] [stdout]     |            ------- field in this struct
[INFO] [stdout] 358 |     ctx: RcWeak<*const internals::HexchatContext>, // may be null
[INFO] [stdout] 359 |     closure: Rc<Cell<Option<PrintHookHandle>>>,
[INFO] [stdout]     |     ^^^^^^^
[INFO] [stdout]     |
[INFO] [stdout]     = note: `Context` has a derived impl for the trait `Clone`, but this is intentionally ignored during dead code analysis
[INFO] [stdout]     = note: `#[warn(dead_code)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: 2 warnings emitted
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr]     Finished `dev` profile [unoptimized + debuginfo] target(s) in 0.19s
[INFO] running `Command { std: "docker" "inspect" "66cf6ef869ce88414371c0ff27840e7358ac9139c77136900fa0ab8ea9978f19", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "66cf6ef869ce88414371c0ff27840e7358ac9139c77136900fa0ab8ea9978f19", kill_on_drop: false }`
[INFO] [stdout] 66cf6ef869ce88414371c0ff27840e7358ac9139c77136900fa0ab8ea9978f19