[INFO] fetching crate noop_proc_macro 0.3.0...
[INFO] checking noop_proc_macro-0.3.0 against master#e1beee4992ad4b235fc700bf7af1ee86f894ea53 for pr-74130
[INFO] extracting crate noop_proc_macro 0.3.0 into /workspace/builds/worker-9/source
[INFO] validating manifest of crates.io crate noop_proc_macro 0.3.0 on toolchain e1beee4992ad4b235fc700bf7af1ee86f894ea53
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+e1beee4992ad4b235fc700bf7af1ee86f894ea53" "read-manifest" "--manifest-path" "Cargo.toml", 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-9/source/Cargo.toml
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+e1beee4992ad4b235fc700bf7af1ee86f894ea53" "generate-lockfile" "--manifest-path" "Cargo.toml" "-Zno-index-update", kill_on_drop: false }`
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+e1beee4992ad4b235fc700bf7af1ee86f894ea53" "fetch" "--locked" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-9/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-9/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" "MAP_USER_ID=0" "-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" "--network" "none" "rustops/crates-build-env@sha256:819119df93c0f5eca3f29186f14981ef29945a311854d7222af07488600a2584" "/opt/rustwide/cargo-home/bin/cargo" "+e1beee4992ad4b235fc700bf7af1ee86f894ea53" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stderr] WARNING: Your kernel does not support swap limit capabilities or the cgroup is not mounted. Memory limited without swap.
[INFO] [stdout] 2dbed9e76cc88fe5450f46e1efa7a39498ce5a9998428c2d658a4aa64ff4168b
[INFO] running `Command { std: "docker" "start" "-a" "2dbed9e76cc88fe5450f46e1efa7a39498ce5a9998428c2d658a4aa64ff4168b", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "2dbed9e76cc88fe5450f46e1efa7a39498ce5a9998428c2d658a4aa64ff4168b", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "2dbed9e76cc88fe5450f46e1efa7a39498ce5a9998428c2d658a4aa64ff4168b", kill_on_drop: false }`
[INFO] [stdout] 2dbed9e76cc88fe5450f46e1efa7a39498ce5a9998428c2d658a4aa64ff4168b
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-9/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-9/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" "MAP_USER_ID=0" "-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" "--network" "none" "rustops/crates-build-env@sha256:819119df93c0f5eca3f29186f14981ef29945a311854d7222af07488600a2584" "/opt/rustwide/cargo-home/bin/cargo" "+e1beee4992ad4b235fc700bf7af1ee86f894ea53" "check" "--frozen" "--all" "--all-targets" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] 44a424807588e682a8ffb9515a5a91d990faaa636a0ccb312e64349ccf4e7d66
[INFO] [stderr] WARNING: Your kernel does not support swap limit capabilities or the cgroup is not mounted. Memory limited without swap.
[INFO] running `Command { std: "docker" "start" "-a" "44a424807588e682a8ffb9515a5a91d990faaa636a0ccb312e64349ccf4e7d66", 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/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: 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: 1 warning emitted
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 0.70s
[INFO] running `Command { std: "docker" "inspect" "44a424807588e682a8ffb9515a5a91d990faaa636a0ccb312e64349ccf4e7d66", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "44a424807588e682a8ffb9515a5a91d990faaa636a0ccb312e64349ccf4e7d66", kill_on_drop: false }`
[INFO] [stdout] 44a424807588e682a8ffb9515a5a91d990faaa636a0ccb312e64349ccf4e7d66