[INFO] fetching crate ceres-derive 0.2.0...
[INFO] checking ceres-derive-0.2.0 against master#8c32e313cccf7df531e2d49ffb8227bb92304aee for pr-145608-1
[INFO] extracting crate ceres-derive 0.2.0 into /workspace/builds/worker-7-tc1/source
[INFO] started tweaking crates.io crate ceres-derive 0.2.0
[INFO] finished tweaking crates.io crate ceres-derive 0.2.0
[INFO] tweaked toml for crates.io crate ceres-derive 0.2.0 written to /workspace/builds/worker-7-tc1/source/Cargo.toml
[INFO] validating manifest of crates.io crate ceres-derive 0.2.0 on toolchain 8c32e313cccf7df531e2d49ffb8227bb92304aee
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+8c32e313cccf7df531e2d49ffb8227bb92304aee" "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" "+8c32e313cccf7df531e2d49ffb8227bb92304aee" "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" "+8c32e313cccf7df531e2d49ffb8227bb92304aee" "fetch" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-7-tc1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-7-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@sha256:7ad1b28ee6f5f7f699f6cf7015098d6ccdd96d6f2d78dd06228f5b4c9faf309c" "/opt/rustwide/cargo-home/bin/cargo" "+8c32e313cccf7df531e2d49ffb8227bb92304aee" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] a546ed7150819200c3a43c2b427671b7c48d53c5b4df18a55b0bc740a5d66a2b
[INFO] running `Command { std: "docker" "start" "-a" "a546ed7150819200c3a43c2b427671b7c48d53c5b4df18a55b0bc740a5d66a2b", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "a546ed7150819200c3a43c2b427671b7c48d53c5b4df18a55b0bc740a5d66a2b", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "a546ed7150819200c3a43c2b427671b7c48d53c5b4df18a55b0bc740a5d66a2b", kill_on_drop: false }`
[INFO] [stdout] a546ed7150819200c3a43c2b427671b7c48d53c5b4df18a55b0bc740a5d66a2b
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-7-tc1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-7-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@sha256:7ad1b28ee6f5f7f699f6cf7015098d6ccdd96d6f2d78dd06228f5b4c9faf309c" "/opt/rustwide/cargo-home/bin/cargo" "+8c32e313cccf7df531e2d49ffb8227bb92304aee" "check" "--frozen" "--all" "--all-targets" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] 0f635757cf698f6b97fbd0034a0ee64032e89c92aaacf325c23315d56b0ca312
[INFO] running `Command { std: "docker" "start" "-a" "0f635757cf698f6b97fbd0034a0ee64032e89c92aaacf325c23315d56b0ca312", kill_on_drop: false }`
[INFO] [stderr]    Compiling proc-macro2 v1.0.101
[INFO] [stderr]     Checking unicode-ident v1.0.18
[INFO] [stderr]     Checking quote v1.0.40
[INFO] [stderr]     Checking syn v1.0.109
[INFO] [stderr]     Checking ceres-derive v0.2.0 (/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: 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] [stderr]     Finished `dev` profile [unoptimized + debuginfo] target(s) in 3.67s
[INFO] running `Command { std: "docker" "inspect" "0f635757cf698f6b97fbd0034a0ee64032e89c92aaacf325c23315d56b0ca312", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "0f635757cf698f6b97fbd0034a0ee64032e89c92aaacf325c23315d56b0ca312", kill_on_drop: false }`
[INFO] [stdout] 0f635757cf698f6b97fbd0034a0ee64032e89c92aaacf325c23315d56b0ca312