[INFO] fetching crate structure-macro-impl 0.1.2...
[INFO] testing structure-macro-impl-0.1.2 against master#a77da2d454e6caa227a85b16410b95f93495e7e0 for pr-91031
[INFO] extracting crate structure-macro-impl 0.1.2 into /workspace/builds/worker-106/source
[INFO] validating manifest of crates.io crate structure-macro-impl 0.1.2 on toolchain a77da2d454e6caa227a85b16410b95f93495e7e0
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+a77da2d454e6caa227a85b16410b95f93495e7e0" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }`
[INFO] started tweaking crates.io crate structure-macro-impl 0.1.2
[INFO] finished tweaking crates.io crate structure-macro-impl 0.1.2
[INFO] tweaked toml for crates.io crate structure-macro-impl 0.1.2 written to /workspace/builds/worker-106/source/Cargo.toml
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+a77da2d454e6caa227a85b16410b95f93495e7e0" "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" "+a77da2d454e6caa227a85b16410b95f93495e7e0" "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-106/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-106/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" "+a77da2d454e6caa227a85b16410b95f93495e7e0" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] 9cf3090a220e89e19af88a2a7bc11c196791f41bbceb16876a12a1485c99bc7e
[INFO] running `Command { std: "docker" "start" "-a" "9cf3090a220e89e19af88a2a7bc11c196791f41bbceb16876a12a1485c99bc7e", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "9cf3090a220e89e19af88a2a7bc11c196791f41bbceb16876a12a1485c99bc7e", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "9cf3090a220e89e19af88a2a7bc11c196791f41bbceb16876a12a1485c99bc7e", kill_on_drop: false }`
[INFO] [stdout] 9cf3090a220e89e19af88a2a7bc11c196791f41bbceb16876a12a1485c99bc7e
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-106/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-106/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" "+a77da2d454e6caa227a85b16410b95f93495e7e0" "build" "--frozen" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] 586da7ba6ff893d50dbcf785196c0fba21e3f72edc830f1d603d1eb43bfee285
[INFO] running `Command { std: "docker" "start" "-a" "586da7ba6ff893d50dbcf785196c0fba21e3f72edc830f1d603d1eb43bfee285", kill_on_drop: false }`
[INFO] [stderr]     Blocking waiting for file lock on package cache
[INFO] [stderr]    Compiling proc-macro-hack-impl v0.4.3
[INFO] [stderr]    Compiling proc-macro-hack v0.4.3
[INFO] [stderr]    Compiling structure-macro-impl v0.1.2 (/opt/rustwide/workdir)
[INFO] [stdout] warning: unused return value of `std::mem::size_of` that must be used
[INFO] [stdout]    --> src/lib.rs:291:13
[INFO] [stdout]     |
[INFO] [stdout] 291 |             mem::size_of::<*const c_void>();
[INFO] [stdout]     |             ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout]     |
[INFO] [stdout]     = note: `#[warn(unused_must_use)]` 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 2.37s
[INFO] running `Command { std: "docker" "inspect" "586da7ba6ff893d50dbcf785196c0fba21e3f72edc830f1d603d1eb43bfee285", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "586da7ba6ff893d50dbcf785196c0fba21e3f72edc830f1d603d1eb43bfee285", kill_on_drop: false }`
[INFO] [stdout] 586da7ba6ff893d50dbcf785196c0fba21e3f72edc830f1d603d1eb43bfee285
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-106/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-106/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" "+a77da2d454e6caa227a85b16410b95f93495e7e0" "test" "--frozen" "--no-run" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] 4b7d1eff6e1317762ca43bc974f65fac7aba12a5cdf3e8b8c822a68218bece12
[INFO] running `Command { std: "docker" "start" "-a" "4b7d1eff6e1317762ca43bc974f65fac7aba12a5cdf3e8b8c822a68218bece12", kill_on_drop: false }`
[INFO] [stderr]    Compiling structure-macro-impl v0.1.2 (/opt/rustwide/workdir)
[INFO] [stdout] warning: unused return value of `std::mem::size_of` that must be used
[INFO] [stdout]    --> src/lib.rs:291:13
[INFO] [stdout]     |
[INFO] [stdout] 291 |             mem::size_of::<*const c_void>();
[INFO] [stdout]     |             ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout]     |
[INFO] [stdout]     = note: `#[warn(unused_must_use)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: 1 warning emitted
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused return value of `std::mem::size_of` that must be used
[INFO] [stdout]    --> src/lib.rs:291:13
[INFO] [stdout]     |
[INFO] [stdout] 291 |             mem::size_of::<*const c_void>();
[INFO] [stdout]     |             ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout]     |
[INFO] [stdout]     = note: `#[warn(unused_must_use)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: 1 warning emitted
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr]     Finished test [unoptimized + debuginfo] target(s) in 0.59s
[INFO] running `Command { std: "docker" "inspect" "4b7d1eff6e1317762ca43bc974f65fac7aba12a5cdf3e8b8c822a68218bece12", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "4b7d1eff6e1317762ca43bc974f65fac7aba12a5cdf3e8b8c822a68218bece12", kill_on_drop: false }`
[INFO] [stdout] 4b7d1eff6e1317762ca43bc974f65fac7aba12a5cdf3e8b8c822a68218bece12
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-106/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-106/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" "+a77da2d454e6caa227a85b16410b95f93495e7e0" "test" "--frozen", kill_on_drop: false }`
[INFO] [stdout] c00a0a7b83b0c248ad92b6aea59071799ee1f643b9173a440e90ef7f9baae9e4
[INFO] running `Command { std: "docker" "start" "-a" "c00a0a7b83b0c248ad92b6aea59071799ee1f643b9173a440e90ef7f9baae9e4", kill_on_drop: false }`
[INFO] [stderr] warning: unused return value of `std::mem::size_of` that must be used
[INFO] [stderr]    --> src/lib.rs:291:13
[INFO] [stderr]     |
[INFO] [stderr] 291 |             mem::size_of::<*const c_void>();
[INFO] [stderr]     |             ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stderr]     |
[INFO] [stderr]     = note: `#[warn(unused_must_use)]` on by default
[INFO] [stderr] 
[INFO] [stderr] warning: `structure-macro-impl` (lib) generated 1 warning
[INFO] [stderr] warning: `structure-macro-impl` (lib test) generated 1 warning (1 duplicate)
[INFO] [stderr]     Finished test [unoptimized + debuginfo] target(s) in 0.01s
[INFO] [stderr]      Running unittests (/opt/rustwide/target/debug/deps/structure_macro_impl-2c0c220a651d772d)
[INFO] [stdout] 
[INFO] [stdout] running 0 tests
[INFO] [stdout] 
[INFO] [stdout] test result: ok. 0 passed; 0 failed; 0 ignored; 0 measured; 0 filtered out; finished in 0.00s
[INFO] [stdout] 
[INFO] [stderr]    Doc-tests structure-macro-impl
[INFO] [stdout] 
[INFO] [stdout] running 0 tests
[INFO] [stdout] 
[INFO] [stdout] test result: ok. 0 passed; 0 failed; 0 ignored; 0 measured; 0 filtered out; finished in 0.00s
[INFO] [stdout] 
[INFO] running `Command { std: "docker" "inspect" "c00a0a7b83b0c248ad92b6aea59071799ee1f643b9173a440e90ef7f9baae9e4", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "c00a0a7b83b0c248ad92b6aea59071799ee1f643b9173a440e90ef7f9baae9e4", kill_on_drop: false }`
[INFO] [stdout] c00a0a7b83b0c248ad92b6aea59071799ee1f643b9173a440e90ef7f9baae9e4