[INFO] fetching crate assemble-build 0.2.0...
[INFO] checking assemble-build-0.2.0 against master#1f12b9b0fdbe735968ac002792a720f0ba4faca6 for crater-rollup-uwu
[INFO] extracting crate assemble-build 0.2.0 into /workspace/builds/worker-3-tc1/source
[INFO] validating manifest of crates.io crate assemble-build 0.2.0 on toolchain 1f12b9b0fdbe735968ac002792a720f0ba4faca6
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+1f12b9b0fdbe735968ac002792a720f0ba4faca6" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }`
[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-3-tc1/source/Cargo.toml
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+1f12b9b0fdbe735968ac002792a720f0ba4faca6" "generate-lockfile" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] [stderr]     Updating crates.io index
[INFO] [stderr]      Locking 5 packages to latest compatible versions
[INFO] [stderr]       Adding syn v1.0.109 (latest: v2.0.76)
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+1f12b9b0fdbe735968ac002792a720f0ba4faca6" "fetch" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-3-tc1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-3-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" "+1f12b9b0fdbe735968ac002792a720f0ba4faca6" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] 155867782ef0a2116eb61cfe7d47e165600f1129a43c86a64c02275eb15e7499
[INFO] running `Command { std: "docker" "start" "-a" "155867782ef0a2116eb61cfe7d47e165600f1129a43c86a64c02275eb15e7499", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "155867782ef0a2116eb61cfe7d47e165600f1129a43c86a64c02275eb15e7499", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "155867782ef0a2116eb61cfe7d47e165600f1129a43c86a64c02275eb15e7499", kill_on_drop: false }`
[INFO] [stdout] 155867782ef0a2116eb61cfe7d47e165600f1129a43c86a64c02275eb15e7499
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-3-tc1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-3-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" "+1f12b9b0fdbe735968ac002792a720f0ba4faca6" "check" "--frozen" "--all" "--all-targets" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] 042ffcfb922bb623c9972fae2a7f67f10dc49db47185858b253bda3acb17250d
[INFO] running `Command { std: "docker" "start" "-a" "042ffcfb922bb623c9972fae2a7f67f10dc49db47185858b253bda3acb17250d", kill_on_drop: false }`
[INFO] [stderr]    Compiling proc-macro2 v1.0.86
[INFO] [stderr]     Checking unicode-ident v1.0.12
[INFO] [stderr]    Compiling syn v1.0.109
[INFO] [stderr]     Checking quote v1.0.37
[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: 2 warnings emitted
[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] [stdout] warning: 2 warnings emitted
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr]     Finished `dev` profile [unoptimized + debuginfo] target(s) in 2.80s
[INFO] running `Command { std: "docker" "inspect" "042ffcfb922bb623c9972fae2a7f67f10dc49db47185858b253bda3acb17250d", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "042ffcfb922bb623c9972fae2a7f67f10dc49db47185858b253bda3acb17250d", kill_on_drop: false }`
[INFO] [stdout] 042ffcfb922bb623c9972fae2a7f67f10dc49db47185858b253bda3acb17250d