[INFO] fetching crate optd-core 0.0.0...
[INFO] checking optd-core-0.0.0 against try#0edd13c68435d50367c79cef43ac2768d2ec4f3d for pr-129422
[INFO] extracting crate optd-core 0.0.0 into /workspace/builds/worker-2-tc2/source
[INFO] validating manifest of crates.io crate optd-core 0.0.0 on toolchain 0edd13c68435d50367c79cef43ac2768d2ec4f3d
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+0edd13c68435d50367c79cef43ac2768d2ec4f3d" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }`
[INFO] started tweaking crates.io crate optd-core 0.0.0
[INFO] finished tweaking crates.io crate optd-core 0.0.0
[INFO] tweaked toml for crates.io crate optd-core 0.0.0 written to /workspace/builds/worker-2-tc2/source/Cargo.toml
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+0edd13c68435d50367c79cef43ac2768d2ec4f3d" "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 itertools v0.11.0 (latest: v0.13.0)
[INFO] [stderr]       Adding nu-ansi-term v0.46.0 (latest: v0.50.1)
[INFO] [stderr]       Adding num-derive v0.2.5 (latest: v0.4.2)
[INFO] [stderr]       Adding proc-macro2 v0.4.30 (latest: v1.0.86)
[INFO] [stderr]       Adding quote v0.6.13 (latest: v1.0.37)
[INFO] [stderr]       Adding syn v0.15.44 (latest: v2.0.77)
[INFO] [stderr]       Adding unicode-xid v0.1.0 (latest: v0.2.5)
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+0edd13c68435d50367c79cef43ac2768d2ec4f3d" "fetch" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-2-tc2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-2-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@sha256:923055f121b5182466d55868a8b05e67af8ba4a3a3f6bad814e953ca3cd3ac2a" "/opt/rustwide/cargo-home/bin/cargo" "+0edd13c68435d50367c79cef43ac2768d2ec4f3d" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] 220986cb88c276d96d6aede372f8eb250fcca90a709ef27eef8b3213f17682c4
[INFO] running `Command { std: "docker" "start" "-a" "220986cb88c276d96d6aede372f8eb250fcca90a709ef27eef8b3213f17682c4", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "220986cb88c276d96d6aede372f8eb250fcca90a709ef27eef8b3213f17682c4", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "220986cb88c276d96d6aede372f8eb250fcca90a709ef27eef8b3213f17682c4", kill_on_drop: false }`
[INFO] [stdout] 220986cb88c276d96d6aede372f8eb250fcca90a709ef27eef8b3213f17682c4
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-2-tc2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-2-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@sha256:923055f121b5182466d55868a8b05e67af8ba4a3a3f6bad814e953ca3cd3ac2a" "/opt/rustwide/cargo-home/bin/cargo" "+0edd13c68435d50367c79cef43ac2768d2ec4f3d" "check" "--frozen" "--all" "--all-targets" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] 5ac5f58aa2f7f504098b54623ebc3b5bc0638ea044de4f89e401617ad03892ca
[INFO] running `Command { std: "docker" "start" "-a" "5ac5f58aa2f7f504098b54623ebc3b5bc0638ea044de4f89e401617ad03892ca", kill_on_drop: false }`
[INFO] [stderr]     Checking pretty-xmlish v0.1.13
[INFO] [stderr]     Checking itertools v0.11.0
[INFO] [stderr]    Compiling syn v2.0.77
[INFO] [stderr]     Checking ordered-float v4.2.2
[INFO] [stderr]    Compiling tracing-attributes v0.1.27
[INFO] [stderr]     Checking tracing v0.1.40
[INFO] [stderr]     Checking optd-core v0.0.0 (/opt/rustwide/workdir)
[INFO] [stdout] warning: method `describe` is never used
[INFO] [stdout]   --> src/cascades/tasks.rs:22:8
[INFO] [stdout]    |
[INFO] [stdout] 19 | pub trait Task<T: RelNodeTyp>: 'static + Send + Sync {
[INFO] [stdout]    |           ---- method in this trait
[INFO] [stdout] ...
[INFO] [stdout] 22 |     fn describe(&self) -> String;
[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: method `describe` is never used
[INFO] [stdout]   --> src/cascades/tasks.rs:22:8
[INFO] [stdout]    |
[INFO] [stdout] 19 | pub trait Task<T: RelNodeTyp>: 'static + Send + Sync {
[INFO] [stdout]    |           ---- method in this trait
[INFO] [stdout] ...
[INFO] [stdout] 22 |     fn describe(&self) -> String;
[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] [stderr]     Finished `dev` profile [unoptimized + debuginfo] target(s) in 7.82s
[INFO] running `Command { std: "docker" "inspect" "5ac5f58aa2f7f504098b54623ebc3b5bc0638ea044de4f89e401617ad03892ca", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "5ac5f58aa2f7f504098b54623ebc3b5bc0638ea044de4f89e401617ad03892ca", kill_on_drop: false }`
[INFO] [stdout] 5ac5f58aa2f7f504098b54623ebc3b5bc0638ea044de4f89e401617ad03892ca