[INFO] fetching crate dynamic-plugin-macros 0.7.0...
[INFO] checking dynamic-plugin-macros-0.7.0 against master#350d0ef0ec0493e6d21cfb265cb8211a0e74d766 for pr-145342-1
[INFO] extracting crate dynamic-plugin-macros 0.7.0 into /workspace/builds/worker-7-tc1/source
[INFO] started tweaking crates.io crate dynamic-plugin-macros 0.7.0
[INFO] finished tweaking crates.io crate dynamic-plugin-macros 0.7.0
[INFO] tweaked toml for crates.io crate dynamic-plugin-macros 0.7.0 written to /workspace/builds/worker-7-tc1/source/Cargo.toml
[INFO] validating manifest of crates.io crate dynamic-plugin-macros 0.7.0 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] crate crates.io crate dynamic-plugin-macros 0.7.0 already has a lockfile, it will not be regenerated
[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-7-tc1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-7-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] b3b97085446b927e94de74c8c550b95d6feb069c2b23c1352bec0de01cb6b0e4
[INFO] running `Command { std: "docker" "start" "-a" "b3b97085446b927e94de74c8c550b95d6feb069c2b23c1352bec0de01cb6b0e4", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "b3b97085446b927e94de74c8c550b95d6feb069c2b23c1352bec0de01cb6b0e4", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "b3b97085446b927e94de74c8c550b95d6feb069c2b23c1352bec0de01cb6b0e4", kill_on_drop: false }`
[INFO] [stdout] b3b97085446b927e94de74c8c550b95d6feb069c2b23c1352bec0de01cb6b0e4
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-7-tc1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-7-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] e4e913d2b1624806cca0da1b87d8271faa08ccab22ed80be171ed1363b6ee121
[INFO] running `Command { std: "docker" "start" "-a" "e4e913d2b1624806cca0da1b87d8271faa08ccab22ed80be171ed1363b6ee121", kill_on_drop: false }`
[INFO] [stderr]    Compiling proc-macro2 v1.0.95
[INFO] [stderr]    Compiling unicode-ident v1.0.18
[INFO] [stderr]     Checking quote v1.0.40
[INFO] [stderr]     Checking syn v2.0.104
[INFO] [stderr]    Compiling proc-macro-error-attr2 v2.0.0
[INFO] [stderr]     Checking proc-macro-error2 v2.0.1
[INFO] [stderr]     Checking dynamic-plugin-macros v0.7.0 (/opt/rustwide/workdir)
[INFO] [stdout] warning: struct `PluginImplementation` is never constructed
[INFO] [stdout]  --> src/implementation.rs:8:12
[INFO] [stdout]   |
[INFO] [stdout] 8 | pub struct PluginImplementation {
[INFO] [stdout]   |            ^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout]   |
[INFO] [stdout]   = note: `#[warn(dead_code)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: struct `MaybeUnsafeFn` is never constructed
[INFO] [stdout]   --> src/implementation.rs:70:12
[INFO] [stdout]    |
[INFO] [stdout] 70 | pub struct MaybeUnsafeFn {
[INFO] [stdout]    |            ^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: struct `PluginImplementation` is never constructed
[INFO] [stdout]  --> src/implementation.rs:8:12
[INFO] [stdout]   |
[INFO] [stdout] 8 | pub struct PluginImplementation {
[INFO] [stdout]   |            ^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout]   |
[INFO] [stdout]   = note: `#[warn(dead_code)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: struct `MaybeUnsafeFn` is never constructed
[INFO] [stdout]   --> src/implementation.rs:70:12
[INFO] [stdout]    |
[INFO] [stdout] 70 | pub struct MaybeUnsafeFn {
[INFO] [stdout]    |            ^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr]     Finished `dev` profile [unoptimized + debuginfo] target(s) in 4.85s
[INFO] running `Command { std: "docker" "inspect" "e4e913d2b1624806cca0da1b87d8271faa08ccab22ed80be171ed1363b6ee121", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "e4e913d2b1624806cca0da1b87d8271faa08ccab22ed80be171ed1363b6ee121", kill_on_drop: false }`
[INFO] [stdout] e4e913d2b1624806cca0da1b87d8271faa08ccab22ed80be171ed1363b6ee121