[INFO] fetching crate macro_rules_attribute 0.2.2...
[INFO] checking macro_rules_attribute-0.2.2 against master#350d0ef0ec0493e6d21cfb265cb8211a0e74d766 for pr-145342-1
[INFO] extracting crate macro_rules_attribute 0.2.2 into /workspace/builds/worker-5-tc1/source
[INFO] removed /workspace/builds/worker-5-tc1/source/rust-toolchain.toml
[INFO] started tweaking crates.io crate macro_rules_attribute 0.2.2
[INFO] finished tweaking crates.io crate macro_rules_attribute 0.2.2
[INFO] tweaked toml for crates.io crate macro_rules_attribute 0.2.2 written to /workspace/builds/worker-5-tc1/source/Cargo.toml
[INFO] validating manifest of crates.io crate macro_rules_attribute 0.2.2 on toolchain 350d0ef0ec0493e6d21cfb265cb8211a0e74d766
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+350d0ef0ec0493e6d21cfb265cb8211a0e74d766" "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" "+350d0ef0ec0493e6d21cfb265cb8211a0e74d766" "generate-lockfile" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] [stderr]     Blocking waiting for file lock on package cache
[INFO] [stderr]     Updating crates.io index
[INFO] [stderr]     Blocking waiting for file lock on package cache
[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" "+350d0ef0ec0493e6d21cfb265cb8211a0e74d766" "fetch" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-5-tc1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-5-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" "+350d0ef0ec0493e6d21cfb265cb8211a0e74d766" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] 1198f06307a74e47d0e49a19f8bb3650d235fb1a888119b53b85b494da20ca0d
[INFO] running `Command { std: "docker" "start" "-a" "1198f06307a74e47d0e49a19f8bb3650d235fb1a888119b53b85b494da20ca0d", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "1198f06307a74e47d0e49a19f8bb3650d235fb1a888119b53b85b494da20ca0d", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "1198f06307a74e47d0e49a19f8bb3650d235fb1a888119b53b85b494da20ca0d", kill_on_drop: false }`
[INFO] [stdout] 1198f06307a74e47d0e49a19f8bb3650d235fb1a888119b53b85b494da20ca0d
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-5-tc1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-5-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" "+350d0ef0ec0493e6d21cfb265cb8211a0e74d766" "check" "--frozen" "--all" "--all-targets" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] 2788f41e90c210c9c4e0c90551f2f97e20a50a8084f73e4d0891d5da19ad9cf9
[INFO] running `Command { std: "docker" "start" "-a" "2788f41e90c210c9c4e0c90551f2f97e20a50a8084f73e4d0891d5da19ad9cf9", kill_on_drop: false }`
[INFO] [stderr]    Compiling proc-macro2 v1.0.101
[INFO] [stderr]    Compiling unicode-ident v1.0.18
[INFO] [stderr]    Compiling paste v1.0.15
[INFO] [stderr]    Compiling serde v1.0.219
[INFO] [stderr]    Compiling macro_rules_attribute-proc_macro v0.2.2
[INFO] [stderr]     Checking once_cell v1.21.3
[INFO] [stderr]     Checking pin-project-lite v0.2.16
[INFO] [stderr]     Checking macro_rules_attribute v0.2.2 (/opt/rustwide/workdir)
[INFO] [stderr]    Compiling quote v1.0.40
[INFO] [stderr]    Compiling syn v2.0.106
[INFO] [stderr]    Compiling serde_derive v1.0.219
[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] [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] [stderr]     Finished `dev` profile [unoptimized + debuginfo] target(s) in 11.35s
[INFO] running `Command { std: "docker" "inspect" "2788f41e90c210c9c4e0c90551f2f97e20a50a8084f73e4d0891d5da19ad9cf9", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "2788f41e90c210c9c4e0c90551f2f97e20a50a8084f73e4d0891d5da19ad9cf9", kill_on_drop: false }`
[INFO] [stdout] 2788f41e90c210c9c4e0c90551f2f97e20a50a8084f73e4d0891d5da19ad9cf9