[INFO] fetching crate inkpad-derive 0.1.0...
[INFO] checking inkpad-derive-0.1.0 against master#22572d0994593197593e2a1b7b18d720a9a349a7 for pr-126452-1
[INFO] extracting crate inkpad-derive 0.1.0 into /workspace/builds/worker-6-tc1/source
[INFO] validating manifest of crates.io crate inkpad-derive 0.1.0 on toolchain 22572d0994593197593e2a1b7b18d720a9a349a7
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+22572d0994593197593e2a1b7b18d720a9a349a7" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }`
[INFO] started tweaking crates.io crate inkpad-derive 0.1.0
[INFO] finished tweaking crates.io crate inkpad-derive 0.1.0
[INFO] tweaked toml for crates.io crate inkpad-derive 0.1.0 written to /workspace/builds/worker-6-tc1/source/Cargo.toml
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+22572d0994593197593e2a1b7b18d720a9a349a7" "generate-lockfile" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] [stderr]     Blocking waiting for file lock on package cache
[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" "+22572d0994593197593e2a1b7b18d720a9a349a7" "fetch" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] [stderr]     Blocking waiting for file lock on package cache
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-6-tc1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-6-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" "+22572d0994593197593e2a1b7b18d720a9a349a7" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] 1f6b6217b107c9d60c2e4a6a581c8fd7202e4b7c5f61ced6bbe9c4fa5215f35c
[INFO] running `Command { std: "docker" "start" "-a" "1f6b6217b107c9d60c2e4a6a581c8fd7202e4b7c5f61ced6bbe9c4fa5215f35c", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "1f6b6217b107c9d60c2e4a6a581c8fd7202e4b7c5f61ced6bbe9c4fa5215f35c", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "1f6b6217b107c9d60c2e4a6a581c8fd7202e4b7c5f61ced6bbe9c4fa5215f35c", kill_on_drop: false }`
[INFO] [stdout] 1f6b6217b107c9d60c2e4a6a581c8fd7202e4b7c5f61ced6bbe9c4fa5215f35c
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-6-tc1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-6-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" "+22572d0994593197593e2a1b7b18d720a9a349a7" "check" "--frozen" "--all" "--all-targets" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] 57b481847d45f14bd874b54689c2db3dc55fe4a930edf0dc779f9a243f555a94
[INFO] running `Command { std: "docker" "start" "-a" "57b481847d45f14bd874b54689c2db3dc55fe4a930edf0dc779f9a243f555a94", kill_on_drop: false }`
[INFO] [stderr]     Checking unicode-ident v1.0.12
[INFO] [stderr]    Compiling syn v1.0.109
[INFO] [stderr]     Checking proc-macro2 v1.0.86
[INFO] [stderr]     Checking quote v1.0.37
[INFO] [stderr]     Checking inkpad-derive v0.1.0 (/opt/rustwide/workdir)
[INFO] [stdout] warning: field `tk` is never read
[INFO] [stdout]   --> src/arg.rs:12:9
[INFO] [stdout]    |
[INFO] [stdout] 10 | pub struct Arg {
[INFO] [stdout]    |            --- field in this struct
[INFO] [stdout] 11 |     pub field: Ident,
[INFO] [stdout] 12 |     pub tk: Token![:],
[INFO] [stdout]    |         ^^
[INFO] [stdout]    |
[INFO] [stdout]    = note: `#[warn(dead_code)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: fields `vis`, `paren_token`, `arrow_t`, and `return_t` are never read
[INFO] [stdout]   --> src/fun.rs:15:9
[INFO] [stdout]    |
[INFO] [stdout] 13 | pub struct HostFunction {
[INFO] [stdout]    |            ------------ fields in this struct
[INFO] [stdout] 14 |     pub attrs: Vec<Attribute>,
[INFO] [stdout] 15 |     pub vis: Visibility,
[INFO] [stdout]    |         ^^^
[INFO] [stdout] ...
[INFO] [stdout] 18 |     pub paren_token: Paren,
[INFO] [stdout]    |         ^^^^^^^^^^^
[INFO] [stdout] 19 |     pub fields: Punctuated<Arg, Token![,]>,
[INFO] [stdout] 20 |     pub arrow_t: Token![->],
[INFO] [stdout]    |         ^^^^^^^
[INFO] [stdout] 21 |     pub return_t: Type,
[INFO] [stdout]    |         ^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: 2 warnings emitted
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: field `tk` is never read
[INFO] [stdout]   --> src/arg.rs:12:9
[INFO] [stdout]    |
[INFO] [stdout] 10 | pub struct Arg {
[INFO] [stdout]    |            --- field in this struct
[INFO] [stdout] 11 |     pub field: Ident,
[INFO] [stdout] 12 |     pub tk: Token![:],
[INFO] [stdout]    |         ^^
[INFO] [stdout]    |
[INFO] [stdout]    = note: `#[warn(dead_code)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: fields `vis`, `paren_token`, `arrow_t`, and `return_t` are never read
[INFO] [stdout]   --> src/fun.rs:15:9
[INFO] [stdout]    |
[INFO] [stdout] 13 | pub struct HostFunction {
[INFO] [stdout]    |            ------------ fields in this struct
[INFO] [stdout] 14 |     pub attrs: Vec<Attribute>,
[INFO] [stdout] 15 |     pub vis: Visibility,
[INFO] [stdout]    |         ^^^
[INFO] [stdout] ...
[INFO] [stdout] 18 |     pub paren_token: Paren,
[INFO] [stdout]    |         ^^^^^^^^^^^
[INFO] [stdout] 19 |     pub fields: Punctuated<Arg, Token![,]>,
[INFO] [stdout] 20 |     pub arrow_t: Token![->],
[INFO] [stdout]    |         ^^^^^^^
[INFO] [stdout] 21 |     pub return_t: Type,
[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 3.30s
[INFO] running `Command { std: "docker" "inspect" "57b481847d45f14bd874b54689c2db3dc55fe4a930edf0dc779f9a243f555a94", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "57b481847d45f14bd874b54689c2db3dc55fe4a930edf0dc779f9a243f555a94", kill_on_drop: false }`
[INFO] [stdout] 57b481847d45f14bd874b54689c2db3dc55fe4a930edf0dc779f9a243f555a94