[INFO] fetching crate rart-macros 0.0.6...
[INFO] checking rart-macros-0.0.6 against master#38352b01ae4af9300be03b805d6db68c45e51068 for pr-129864
[INFO] extracting crate rart-macros 0.0.6 into /workspace/builds/worker-6-tc1/source
[INFO] validating manifest of crates.io crate rart-macros 0.0.6 on toolchain 38352b01ae4af9300be03b805d6db68c45e51068
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+38352b01ae4af9300be03b805d6db68c45e51068" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }`
[INFO] started tweaking crates.io crate rart-macros 0.0.6
[INFO] finished tweaking crates.io crate rart-macros 0.0.6
[INFO] tweaked toml for crates.io crate rart-macros 0.0.6 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" "+38352b01ae4af9300be03b805d6db68c45e51068" "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: v2.0.77)
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+38352b01ae4af9300be03b805d6db68c45e51068" "fetch" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[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:ceb6ea022f8a89cebbe621bb4987e73a935bd40dfbb726f832cfff4742a5b95a" "/opt/rustwide/cargo-home/bin/cargo" "+38352b01ae4af9300be03b805d6db68c45e51068" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] 683a6ab12fbf421874c2336d096208ac38c15fb573b7f64998dceabba6f215d7
[INFO] running `Command { std: "docker" "start" "-a" "683a6ab12fbf421874c2336d096208ac38c15fb573b7f64998dceabba6f215d7", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "683a6ab12fbf421874c2336d096208ac38c15fb573b7f64998dceabba6f215d7", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "683a6ab12fbf421874c2336d096208ac38c15fb573b7f64998dceabba6f215d7", kill_on_drop: false }`
[INFO] [stdout] 683a6ab12fbf421874c2336d096208ac38c15fb573b7f64998dceabba6f215d7
[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:ceb6ea022f8a89cebbe621bb4987e73a935bd40dfbb726f832cfff4742a5b95a" "/opt/rustwide/cargo-home/bin/cargo" "+38352b01ae4af9300be03b805d6db68c45e51068" "check" "--frozen" "--all" "--all-targets" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] 8eddf332df18f11adfe63c013601bdda22c649ba85267d18d476b98c649ea06e
[INFO] running `Command { std: "docker" "start" "-a" "8eddf332df18f11adfe63c013601bdda22c649ba85267d18d476b98c649ea06e", kill_on_drop: false }`
[INFO] [stderr]     Checking syn v1.0.109
[INFO] [stderr]     Checking rart-macros v0.0.6 (/opt/rustwide/workdir)
[INFO] [stdout] warning: fields `mutexes` and `semaphores` are never read
[INFO] [stdout]    --> src/entry_macro.rs:171:9
[INFO] [stdout]     |
[INFO] [stdout] 168 | pub struct Model {
[INFO] [stdout]     |            ----- fields in this struct
[INFO] [stdout] ...
[INFO] [stdout] 171 |     pub mutexes: Vec<Ident>,
[INFO] [stdout]     |         ^^^^^^^
[INFO] [stdout] 172 |     pub semaphores: Vec<Ident>,
[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: fields `mutexes` and `semaphores` are never read
[INFO] [stdout]    --> src/entry_macro.rs:171:9
[INFO] [stdout]     |
[INFO] [stdout] 168 | pub struct Model {
[INFO] [stdout]     |            ----- fields in this struct
[INFO] [stdout] ...
[INFO] [stdout] 171 |     pub mutexes: Vec<Ident>,
[INFO] [stdout]     |         ^^^^^^^
[INFO] [stdout] 172 |     pub semaphores: Vec<Ident>,
[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 2.55s
[INFO] running `Command { std: "docker" "inspect" "8eddf332df18f11adfe63c013601bdda22c649ba85267d18d476b98c649ea06e", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "8eddf332df18f11adfe63c013601bdda22c649ba85267d18d476b98c649ea06e", kill_on_drop: false }`
[INFO] [stdout] 8eddf332df18f11adfe63c013601bdda22c649ba85267d18d476b98c649ea06e