[INFO] fetching crate assemble-build 0.2.0...
[INFO] checking assemble-build-0.2.0 against try#c659ee110de67e82444e4b6c8407c1a9af9c2cf6 for pr-145608-1
[INFO] extracting crate assemble-build 0.2.0 into /workspace/builds/worker-4-tc2/source
[INFO] started tweaking crates.io crate assemble-build 0.2.0
[INFO] finished tweaking crates.io crate assemble-build 0.2.0
[INFO] tweaked toml for crates.io crate assemble-build 0.2.0 written to /workspace/builds/worker-4-tc2/source/Cargo.toml
[INFO] validating manifest of crates.io crate assemble-build 0.2.0 on toolchain c659ee110de67e82444e4b6c8407c1a9af9c2cf6
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+c659ee110de67e82444e4b6c8407c1a9af9c2cf6" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }`
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+c659ee110de67e82444e4b6c8407c1a9af9c2cf6" "generate-lockfile" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] [stderr]     Updating crates.io index
[INFO] [stderr]      Locking 4 packages to latest compatible versions
[INFO] [stderr]       Adding syn v1.0.109 (available: v2.0.106)
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+c659ee110de67e82444e4b6c8407c1a9af9c2cf6" "fetch" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-4-tc2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-4-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" "+c659ee110de67e82444e4b6c8407c1a9af9c2cf6" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] 759efc9562265426960cb1774309f9047ff72dfc818d1d189351e964c3c7ea28
[INFO] running `Command { std: "docker" "start" "-a" "759efc9562265426960cb1774309f9047ff72dfc818d1d189351e964c3c7ea28", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "759efc9562265426960cb1774309f9047ff72dfc818d1d189351e964c3c7ea28", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "759efc9562265426960cb1774309f9047ff72dfc818d1d189351e964c3c7ea28", kill_on_drop: false }`
[INFO] [stdout] 759efc9562265426960cb1774309f9047ff72dfc818d1d189351e964c3c7ea28
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-4-tc2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-4-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" "+c659ee110de67e82444e4b6c8407c1a9af9c2cf6" "check" "--frozen" "--all" "--all-targets" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] d401075c6475c09cb3e1426db2b26e0581e3d5d4d252a4ec7aaeac91eca88dce
[INFO] running `Command { std: "docker" "start" "-a" "d401075c6475c09cb3e1426db2b26e0581e3d5d4d252a4ec7aaeac91eca88dce", kill_on_drop: false }`
[INFO] [stderr]    Compiling proc-macro2 v1.0.101
[INFO] [stderr]    Compiling syn v1.0.109
[INFO] [stderr]     Checking quote v1.0.40
[INFO] [stderr]     Checking assemble-build v0.2.0 (/opt/rustwide/workdir)
[INFO] [stdout] warning: fields `module`, `identifier`, `sig`, and `meta` are never read
[INFO] [stdout]   --> src/plugin_function.rs:9:5
[INFO] [stdout]    |
[INFO] [stdout]  8 | pub struct PluginFunction {
[INFO] [stdout]    |            -------------- fields in this struct
[INFO] [stdout]  9 |     module: String,
[INFO] [stdout]    |     ^^^^^^
[INFO] [stdout] 10 |     identifier: String,
[INFO] [stdout]    |     ^^^^^^^^^^
[INFO] [stdout] 11 |     sig: Signature,
[INFO] [stdout]    |     ^^^
[INFO] [stdout] 12 |     meta: PluginFunctionMetadata,
[INFO] [stdout]    |     ^^^^
[INFO] [stdout]    |
[INFO] [stdout]    = note: `PluginFunction` has a derived impl for the trait `Debug`, 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: field `eq` is never read
[INFO] [stdout]   --> src/plugin_function.rs:28:5
[INFO] [stdout]    |
[INFO] [stdout] 26 | struct Assignment {
[INFO] [stdout]    |        ---------- field in this struct
[INFO] [stdout] 27 |     id: Ident,
[INFO] [stdout] 28 |     eq: Token![=],
[INFO] [stdout]    |     ^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: fields `module`, `identifier`, `sig`, and `meta` are never read
[INFO] [stdout]   --> src/plugin_function.rs:9:5
[INFO] [stdout]    |
[INFO] [stdout]  8 | pub struct PluginFunction {
[INFO] [stdout]    |            -------------- fields in this struct
[INFO] [stdout]  9 |     module: String,
[INFO] [stdout]    |     ^^^^^^
[INFO] [stdout] 10 |     identifier: String,
[INFO] [stdout]    |     ^^^^^^^^^^
[INFO] [stdout] 11 |     sig: Signature,
[INFO] [stdout]    |     ^^^
[INFO] [stdout] 12 |     meta: PluginFunctionMetadata,
[INFO] [stdout]    |     ^^^^
[INFO] [stdout]    |
[INFO] [stdout]    = note: `PluginFunction` has a derived impl for the trait `Debug`, 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: field `eq` is never read
[INFO] [stdout]   --> src/plugin_function.rs:28:5
[INFO] [stdout]    |
[INFO] [stdout] 26 | struct Assignment {
[INFO] [stdout]    |        ---------- field in this struct
[INFO] [stdout] 27 |     id: Ident,
[INFO] [stdout] 28 |     eq: Token![=],
[INFO] [stdout]    |     ^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr]     Finished `dev` profile [unoptimized + debuginfo] target(s) in 4.68s
[INFO] running `Command { std: "docker" "inspect" "d401075c6475c09cb3e1426db2b26e0581e3d5d4d252a4ec7aaeac91eca88dce", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "d401075c6475c09cb3e1426db2b26e0581e3d5d4d252a4ec7aaeac91eca88dce", kill_on_drop: false }`
[INFO] [stdout] d401075c6475c09cb3e1426db2b26e0581e3d5d4d252a4ec7aaeac91eca88dce