[INFO] fetching crate mahogany 0.1.0...
[INFO] checking mahogany-0.1.0 against master#22572d0994593197593e2a1b7b18d720a9a349a7 for pr-126452-1
[INFO] extracting crate mahogany 0.1.0 into /workspace/builds/worker-2-tc1/source
[INFO] validating manifest of crates.io crate mahogany 0.1.0 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 mahogany 0.1.0
[INFO] finished tweaking crates.io crate mahogany 0.1.0
[INFO] tweaked toml for crates.io crate mahogany 0.1.0 written to /workspace/builds/worker-2-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 36 packages to latest compatible versions
[INFO] [stderr]       Adding windows-core v0.52.0 (latest: v0.58.0)
[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] 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" "+22572d0994593197593e2a1b7b18d720a9a349a7" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] add2f7510199408d9baa3c79655f56085fdddb50b017c71a717da42fa0c3fc23
[INFO] running `Command { std: "docker" "start" "-a" "add2f7510199408d9baa3c79655f56085fdddb50b017c71a717da42fa0c3fc23", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "add2f7510199408d9baa3c79655f56085fdddb50b017c71a717da42fa0c3fc23", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "add2f7510199408d9baa3c79655f56085fdddb50b017c71a717da42fa0c3fc23", kill_on_drop: false }`
[INFO] [stdout] add2f7510199408d9baa3c79655f56085fdddb50b017c71a717da42fa0c3fc23
[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" "+22572d0994593197593e2a1b7b18d720a9a349a7" "check" "--frozen" "--all" "--all-targets" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] 5efb55889f6fa647accc402c6d09a976d49f65ae631efa30716870d1cd3fa288
[INFO] running `Command { std: "docker" "start" "-a" "5efb55889f6fa647accc402c6d09a976d49f65ae631efa30716870d1cd3fa288", kill_on_drop: false }`
[INFO] [stderr]     Checking mahogany v0.1.0 (/opt/rustwide/workdir)
[INFO] [stdout] warning: variant `Close` is never constructed
[INFO] [stdout]   --> src/logger.rs:92:5
[INFO] [stdout]    |
[INFO] [stdout] 90 | pub enum LogTransmit<T: LogLevel> {
[INFO] [stdout]    |          ----------- variant in this enum
[INFO] [stdout] 91 |     Log(LogInstance<T>),
[INFO] [stdout] 92 |     Close,
[INFO] [stdout]    |     ^^^^^
[INFO] [stdout]    |
[INFO] [stdout]    = note: `#[warn(dead_code)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: variant `Close` is never constructed
[INFO] [stdout]   --> src/logger.rs:92:5
[INFO] [stdout]    |
[INFO] [stdout] 90 | pub enum LogTransmit<T: LogLevel> {
[INFO] [stdout]    |          ----------- variant in this enum
[INFO] [stdout] 91 |     Log(LogInstance<T>),
[INFO] [stdout] 92 |     Close,
[INFO] [stdout]    |     ^^^^^
[INFO] [stdout]    |
[INFO] [stdout]    = note: `#[warn(dead_code)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: 1 warning emitted
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: 1 warning emitted
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr]     Finished `dev` profile [unoptimized + debuginfo] target(s) in 0.10s
[INFO] running `Command { std: "docker" "inspect" "5efb55889f6fa647accc402c6d09a976d49f65ae631efa30716870d1cd3fa288", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "5efb55889f6fa647accc402c6d09a976d49f65ae631efa30716870d1cd3fa288", kill_on_drop: false }`
[INFO] [stdout] 5efb55889f6fa647accc402c6d09a976d49f65ae631efa30716870d1cd3fa288