[INFO] fetching crate signet-sdk 0.0.1-alpha...
[INFO] checking signet-sdk-0.0.1-alpha against try#a4980311fb7bb9e7893708e6bd3fbbfb2819fd3d for pr-145342-1
[INFO] extracting crate signet-sdk 0.0.1-alpha into /workspace/builds/worker-3-tc2/source
[INFO] started tweaking crates.io crate signet-sdk 0.0.1-alpha
[INFO] finished tweaking crates.io crate signet-sdk 0.0.1-alpha
[INFO] tweaked toml for crates.io crate signet-sdk 0.0.1-alpha written to /workspace/builds/worker-3-tc2/source/Cargo.toml
[INFO] validating manifest of crates.io crate signet-sdk 0.0.1-alpha on toolchain a4980311fb7bb9e7893708e6bd3fbbfb2819fd3d
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+a4980311fb7bb9e7893708e6bd3fbbfb2819fd3d" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }`
[INFO] crate crates.io crate signet-sdk 0.0.1-alpha 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" "+a4980311fb7bb9e7893708e6bd3fbbfb2819fd3d" "fetch" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-3-tc2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-3-tc2/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@sha256:7ad1b28ee6f5f7f699f6cf7015098d6ccdd96d6f2d78dd06228f5b4c9faf309c" "/opt/rustwide/cargo-home/bin/cargo" "+a4980311fb7bb9e7893708e6bd3fbbfb2819fd3d" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] 1dcecf159c3fcb70f7d0c4895f91a38d9ef911d86d3d3469ae0fd33f80b41f48
[INFO] running `Command { std: "docker" "start" "-a" "1dcecf159c3fcb70f7d0c4895f91a38d9ef911d86d3d3469ae0fd33f80b41f48", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "1dcecf159c3fcb70f7d0c4895f91a38d9ef911d86d3d3469ae0fd33f80b41f48", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "1dcecf159c3fcb70f7d0c4895f91a38d9ef911d86d3d3469ae0fd33f80b41f48", kill_on_drop: false }`
[INFO] [stdout] 1dcecf159c3fcb70f7d0c4895f91a38d9ef911d86d3d3469ae0fd33f80b41f48
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-3-tc2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-3-tc2/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@sha256:7ad1b28ee6f5f7f699f6cf7015098d6ccdd96d6f2d78dd06228f5b4c9faf309c" "/opt/rustwide/cargo-home/bin/cargo" "+a4980311fb7bb9e7893708e6bd3fbbfb2819fd3d" "check" "--frozen" "--all" "--all-targets" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] 2ae97adfc5b7cc8c5541b0c9c1ed4232581ac9902a71c1f9ef6cf759fa205bb4
[INFO] running `Command { std: "docker" "start" "-a" "2ae97adfc5b7cc8c5541b0c9c1ed4232581ac9902a71c1f9ef6cf759fa205bb4", kill_on_drop: false }`
[INFO] [stderr]     Checking signet-sdk v0.0.1-alpha (/opt/rustwide/workdir)
[INFO] [stdout] warning: function `hello_world` is never used
[INFO] [stdout]  --> src/lib.rs:1:4
[INFO] [stdout]   |
[INFO] [stdout] 1 | fn hello_world() {}
[INFO] [stdout]   |    ^^^^^^^^^^^
[INFO] [stdout]   |
[INFO] [stdout]   = note: `#[warn(dead_code)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: function `hello_world` is never used
[INFO] [stdout]  --> src/lib.rs:1:4
[INFO] [stdout]   |
[INFO] [stdout] 1 | fn hello_world() {}
[INFO] [stdout]   |    ^^^^^^^^^^^
[INFO] [stdout]   |
[INFO] [stdout]   = note: `#[warn(dead_code)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr]     Finished `dev` profile [unoptimized + debuginfo] target(s) in 0.37s
[INFO] running `Command { std: "docker" "inspect" "2ae97adfc5b7cc8c5541b0c9c1ed4232581ac9902a71c1f9ef6cf759fa205bb4", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "2ae97adfc5b7cc8c5541b0c9c1ed4232581ac9902a71c1f9ef6cf759fa205bb4", kill_on_drop: false }`
[INFO] [stdout] 2ae97adfc5b7cc8c5541b0c9c1ed4232581ac9902a71c1f9ef6cf759fa205bb4