[INFO] fetching crate ffi-convert-derive 0.6.1...
[INFO] checking ffi-convert-derive-0.6.1 against try#0edd13c68435d50367c79cef43ac2768d2ec4f3d for pr-129422
[INFO] extracting crate ffi-convert-derive 0.6.1 into /workspace/builds/worker-7-tc2/source
[INFO] validating manifest of crates.io crate ffi-convert-derive 0.6.1 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 ffi-convert-derive 0.6.1
[INFO] finished tweaking crates.io crate ffi-convert-derive 0.6.1
[INFO] tweaked toml for crates.io crate ffi-convert-derive 0.6.1 written to /workspace/builds/worker-7-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 5 packages to latest compatible versions
[INFO] [stderr]       Adding syn v1.0.109 (latest: v2.0.77)
[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-7-tc2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-7-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] 3f56714b6bb63511eeb7cbf534a06d7e0085ee301865e3141028c0c59eb5a9ed
[INFO] running `Command { std: "docker" "start" "-a" "3f56714b6bb63511eeb7cbf534a06d7e0085ee301865e3141028c0c59eb5a9ed", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "3f56714b6bb63511eeb7cbf534a06d7e0085ee301865e3141028c0c59eb5a9ed", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "3f56714b6bb63511eeb7cbf534a06d7e0085ee301865e3141028c0c59eb5a9ed", kill_on_drop: false }`
[INFO] [stdout] 3f56714b6bb63511eeb7cbf534a06d7e0085ee301865e3141028c0c59eb5a9ed
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-7-tc2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-7-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] 0c99525fc3b8dff0473ffa2437104158f8d7220b677a0be9c58f5bfa4adb7c52
[INFO] running `Command { std: "docker" "start" "-a" "0c99525fc3b8dff0473ffa2437104158f8d7220b677a0be9c58f5bfa4adb7c52", 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 ffi-convert-derive v0.6.1 (/opt/rustwide/workdir)
[INFO] [stdout] warning: field `type_params` is never read
[INFO] [stdout]   --> src/utils.rs:39:9
[INFO] [stdout]    |
[INFO] [stdout] 35 | pub struct Field<'a> {
[INFO] [stdout]    |            ----- field in this struct
[INFO] [stdout] ...
[INFO] [stdout] 39 |     pub type_params: Option<syn::AngleBracketedGenericArguments>,
[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: field `type_params` is never read
[INFO] [stdout]   --> src/utils.rs:39:9
[INFO] [stdout]    |
[INFO] [stdout] 35 | pub struct Field<'a> {
[INFO] [stdout]    |            ----- field in this struct
[INFO] [stdout] ...
[INFO] [stdout] 39 |     pub type_params: Option<syn::AngleBracketedGenericArguments>,
[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 5.73s
[INFO] running `Command { std: "docker" "inspect" "0c99525fc3b8dff0473ffa2437104158f8d7220b677a0be9c58f5bfa4adb7c52", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "0c99525fc3b8dff0473ffa2437104158f8d7220b677a0be9c58f5bfa4adb7c52", kill_on_drop: false }`
[INFO] [stdout] 0c99525fc3b8dff0473ffa2437104158f8d7220b677a0be9c58f5bfa4adb7c52