[INFO] fetching crate noop_proc_macro 0.3.0...
[INFO] checking noop_proc_macro-0.3.0 against master#936f2600b6c903b04387f74ed5cbce88bb06d243 for pr-91141
[INFO] extracting crate noop_proc_macro 0.3.0 into /workspace/builds/worker-62/source
[INFO] validating manifest of crates.io crate noop_proc_macro 0.3.0 on toolchain 936f2600b6c903b04387f74ed5cbce88bb06d243
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+936f2600b6c903b04387f74ed5cbce88bb06d243" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }`
[INFO] started tweaking crates.io crate noop_proc_macro 0.3.0
[INFO] finished tweaking crates.io crate noop_proc_macro 0.3.0
[INFO] tweaked toml for crates.io crate noop_proc_macro 0.3.0 written to /workspace/builds/worker-62/source/Cargo.toml
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+936f2600b6c903b04387f74ed5cbce88bb06d243" "generate-lockfile" "--manifest-path" "Cargo.toml" "-Zno-index-update", kill_on_drop: false }`
[INFO] [stderr]     Blocking waiting for file lock on package cache
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+936f2600b6c903b04387f74ed5cbce88bb06d243" "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-62/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-62/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@sha256:5736fa189c1c60b01babf4b8b698fe57b6ecc41933a7ff2e0b8d7a221459412b" "/opt/rustwide/cargo-home/bin/cargo" "+936f2600b6c903b04387f74ed5cbce88bb06d243" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] 95c7164c8d4b2111c1b25b29c619d522ecd8acbc337e5eec01369f6e3d91ab9d
[INFO] running `Command { std: "docker" "start" "-a" "95c7164c8d4b2111c1b25b29c619d522ecd8acbc337e5eec01369f6e3d91ab9d", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "95c7164c8d4b2111c1b25b29c619d522ecd8acbc337e5eec01369f6e3d91ab9d", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "95c7164c8d4b2111c1b25b29c619d522ecd8acbc337e5eec01369f6e3d91ab9d", kill_on_drop: false }`
[INFO] [stdout] 95c7164c8d4b2111c1b25b29c619d522ecd8acbc337e5eec01369f6e3d91ab9d
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-62/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-62/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" "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@sha256:5736fa189c1c60b01babf4b8b698fe57b6ecc41933a7ff2e0b8d7a221459412b" "/opt/rustwide/cargo-home/bin/cargo" "+936f2600b6c903b04387f74ed5cbce88bb06d243" "check" "--frozen" "--all" "--all-targets" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] 5dcdd8f14bfc8b2ed15f6fb25355d02e9a5ddf8d8c0444b226fa5037c53bd261
[INFO] running `Command { std: "docker" "start" "-a" "5dcdd8f14bfc8b2ed15f6fb25355d02e9a5ddf8d8c0444b226fa5037c53bd261", kill_on_drop: false }`
[INFO] [stderr]    Compiling noop_proc_macro v0.3.0 (/opt/rustwide/workdir)
[INFO] [stdout] warning: field is never read: `a`
[INFO] [stdout]  --> tests/serde.rs:7:5
[INFO] [stdout]   |
[INFO] [stdout] 7 |     a: usize,
[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 is never read: `a`
[INFO] [stdout]  --> tests/wasm_bindgen.rs:5:5
[INFO] [stdout]   |
[INFO] [stdout] 5 |     a: usize,
[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 [unoptimized + debuginfo] target(s) in 0.69s
[INFO] running `Command { std: "docker" "inspect" "5dcdd8f14bfc8b2ed15f6fb25355d02e9a5ddf8d8c0444b226fa5037c53bd261", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "5dcdd8f14bfc8b2ed15f6fb25355d02e9a5ddf8d8c0444b226fa5037c53bd261", kill_on_drop: false }`
[INFO] [stdout] 5dcdd8f14bfc8b2ed15f6fb25355d02e9a5ddf8d8c0444b226fa5037c53bd261