[INFO] fetching crate macro_rules_attribute 0.2.0...
[INFO] checking macro_rules_attribute-0.2.0 against try#306c6aded24f02440063be828ebe601fe5eb8323 for pr-133502-3
[INFO] extracting crate macro_rules_attribute 0.2.0 into /workspace/builds/worker-7-tc2/source
[INFO] validating manifest of crates.io crate macro_rules_attribute 0.2.0 on toolchain 306c6aded24f02440063be828ebe601fe5eb8323
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+306c6aded24f02440063be828ebe601fe5eb8323" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }`
[INFO] removed /workspace/builds/worker-7-tc2/source/rust-toolchain.toml
[INFO] started tweaking crates.io crate macro_rules_attribute 0.2.0
[INFO] finished tweaking crates.io crate macro_rules_attribute 0.2.0
[INFO] tweaked toml for crates.io crate macro_rules_attribute 0.2.0 written to /workspace/builds/worker-7-tc2/source/Cargo.toml
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+306c6aded24f02440063be828ebe601fe5eb8323" "generate-lockfile" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] [stderr]     Updating crates.io index
[INFO] [stderr]      Locking 10 packages to latest compatible versions
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+306c6aded24f02440063be828ebe601fe5eb8323" "fetch" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-7-tc2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-7-tc2/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:b0b074c097205a61b89e8ad263052f976b2b332c4dc5f02aef1fe52501660d6e" "/opt/rustwide/cargo-home/bin/cargo" "+306c6aded24f02440063be828ebe601fe5eb8323" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] 1c92cf0e2c7d9595f3fbe84cdf0e3621c56ae6dd68aa8a28b9308aad341e23f8
[INFO] running `Command { std: "docker" "start" "-a" "1c92cf0e2c7d9595f3fbe84cdf0e3621c56ae6dd68aa8a28b9308aad341e23f8", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "1c92cf0e2c7d9595f3fbe84cdf0e3621c56ae6dd68aa8a28b9308aad341e23f8", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "1c92cf0e2c7d9595f3fbe84cdf0e3621c56ae6dd68aa8a28b9308aad341e23f8", kill_on_drop: false }`
[INFO] [stdout] 1c92cf0e2c7d9595f3fbe84cdf0e3621c56ae6dd68aa8a28b9308aad341e23f8
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-7-tc2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-7-tc2/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:b0b074c097205a61b89e8ad263052f976b2b332c4dc5f02aef1fe52501660d6e" "/opt/rustwide/cargo-home/bin/cargo" "+306c6aded24f02440063be828ebe601fe5eb8323" "check" "--frozen" "--all" "--all-targets" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] 7b2dc49d9d67d187e0790d0e6651d80ce655e79b801353ec513714fadb5ef64a
[INFO] running `Command { std: "docker" "start" "-a" "7b2dc49d9d67d187e0790d0e6651d80ce655e79b801353ec513714fadb5ef64a", kill_on_drop: false }`
[INFO] [stderr]    Compiling proc-macro2 v1.0.95
[INFO] [stderr]    Compiling macro_rules_attribute-proc_macro v0.2.0
[INFO] [stderr]    Compiling serde v1.0.219
[INFO] [stderr]     Checking macro_rules_attribute v0.2.0 (/opt/rustwide/workdir)
[INFO] [stderr]    Compiling quote v1.0.40
[INFO] [stderr]    Compiling syn v2.0.100
[INFO] [stderr]    Compiling serde_derive v1.0.219
[INFO] [stdout] warning: struct `Foo` is never constructed
[INFO] [stdout]   --> tests/custom_derive.rs:10:8
[INFO] [stdout]    |
[INFO] [stdout] 10 | struct Foo {
[INFO] [stdout]    |        ^^^
[INFO] [stdout]    |
[INFO] [stdout]    = note: `#[warn(dead_code)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: struct `Bar` is never constructed
[INFO] [stdout]   --> tests/custom_derive.rs:17:8
[INFO] [stdout]    |
[INFO] [stdout] 17 | struct Bar {
[INFO] [stdout]    |        ^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: struct `Foo` is never constructed
[INFO] [stdout]   --> tests/inert_derive_helpers.rs:12:8
[INFO] [stdout]    |
[INFO] [stdout] 12 | struct Foo {
[INFO] [stdout]    |        ^^^
[INFO] [stdout]    |
[INFO] [stdout]    = note: `#[warn(dead_code)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr]     Finished `dev` profile [unoptimized + debuginfo] target(s) in 25.02s
[INFO] running `Command { std: "docker" "inspect" "7b2dc49d9d67d187e0790d0e6651d80ce655e79b801353ec513714fadb5ef64a", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "7b2dc49d9d67d187e0790d0e6651d80ce655e79b801353ec513714fadb5ef64a", kill_on_drop: false }`
[INFO] [stdout] 7b2dc49d9d67d187e0790d0e6651d80ce655e79b801353ec513714fadb5ef64a