[INFO] fetching crate multiversion-macros 0.6.1...
[INFO] testing multiversion-macros-0.6.1 against try#8262275854dc0e5381c9d42d56257d94932c5a87 for pr-90799
[INFO] extracting crate multiversion-macros 0.6.1 into /workspace/builds/worker-51/source
[INFO] validating manifest of crates.io crate multiversion-macros 0.6.1 on toolchain 8262275854dc0e5381c9d42d56257d94932c5a87
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+8262275854dc0e5381c9d42d56257d94932c5a87" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }`
[INFO] started tweaking crates.io crate multiversion-macros 0.6.1
[INFO] finished tweaking crates.io crate multiversion-macros 0.6.1
[INFO] tweaked toml for crates.io crate multiversion-macros 0.6.1 written to /workspace/builds/worker-51/source/Cargo.toml
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+8262275854dc0e5381c9d42d56257d94932c5a87" "generate-lockfile" "--manifest-path" "Cargo.toml" "-Zno-index-update", kill_on_drop: false }`
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+8262275854dc0e5381c9d42d56257d94932c5a87" "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-51/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-51/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:e8397a04204aaf8b9f284182a6f9e27a3c2e67044d0943b4415b160bfc957681" "/opt/rustwide/cargo-home/bin/cargo" "+8262275854dc0e5381c9d42d56257d94932c5a87" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] 2da749322ee74d908b185f895b35f0704efe27631f425a2535bb22cf5d1eb9d8
[INFO] running `Command { std: "docker" "start" "-a" "2da749322ee74d908b185f895b35f0704efe27631f425a2535bb22cf5d1eb9d8", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "2da749322ee74d908b185f895b35f0704efe27631f425a2535bb22cf5d1eb9d8", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "2da749322ee74d908b185f895b35f0704efe27631f425a2535bb22cf5d1eb9d8", kill_on_drop: false }`
[INFO] [stdout] 2da749322ee74d908b185f895b35f0704efe27631f425a2535bb22cf5d1eb9d8
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-51/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-51/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:e8397a04204aaf8b9f284182a6f9e27a3c2e67044d0943b4415b160bfc957681" "/opt/rustwide/cargo-home/bin/cargo" "+8262275854dc0e5381c9d42d56257d94932c5a87" "build" "--frozen" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] e259cb53b43e9c4079b4953ce273f70c04f43f662ecf074ddf55c9c8f561d8e2
[INFO] running `Command { std: "docker" "start" "-a" "e259cb53b43e9c4079b4953ce273f70c04f43f662ecf074ddf55c9c8f561d8e2", kill_on_drop: false }`
[INFO] [stderr]    Compiling syn v1.0.82
[INFO] [stderr]    Compiling multiversion-macros v0.6.1 (/opt/rustwide/workdir)
[INFO] [stdout] warning: field is never read: `span`
[INFO] [stdout]   --> src/target.rs:13:5
[INFO] [stdout]    |
[INFO] [stdout] 13 |     span: proc_macro2::Span,
[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] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 13.07s
[INFO] running `Command { std: "docker" "inspect" "e259cb53b43e9c4079b4953ce273f70c04f43f662ecf074ddf55c9c8f561d8e2", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "e259cb53b43e9c4079b4953ce273f70c04f43f662ecf074ddf55c9c8f561d8e2", kill_on_drop: false }`
[INFO] [stdout] e259cb53b43e9c4079b4953ce273f70c04f43f662ecf074ddf55c9c8f561d8e2
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-51/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-51/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:e8397a04204aaf8b9f284182a6f9e27a3c2e67044d0943b4415b160bfc957681" "/opt/rustwide/cargo-home/bin/cargo" "+8262275854dc0e5381c9d42d56257d94932c5a87" "test" "--frozen" "--no-run" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] 931b42d47b9f6dc204e0e14d5fe6537fbe7f9b5c1924212995f9730c7d30d017
[INFO] running `Command { std: "docker" "start" "-a" "931b42d47b9f6dc204e0e14d5fe6537fbe7f9b5c1924212995f9730c7d30d017", kill_on_drop: false }`
[INFO] [stdout] warning: field is never read: `span`
[INFO] [stdout]   --> src/target.rs:13:5
[INFO] [stdout]    |
[INFO] [stdout] 13 |     span: proc_macro2::Span,
[INFO] [stdout]    |     ^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout]    |
[INFO] [stdout]    = note: `#[warn(dead_code)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr]    Compiling multiversion-macros v0.6.1 (/opt/rustwide/workdir)
[INFO] [stdout] warning: 1 warning emitted
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: field is never read: `span`
[INFO] [stdout]   --> src/target.rs:13:5
[INFO] [stdout]    |
[INFO] [stdout] 13 |     span: proc_macro2::Span,
[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] [stderr]     Finished test [unoptimized + debuginfo] target(s) in 1.53s
[INFO] running `Command { std: "docker" "inspect" "931b42d47b9f6dc204e0e14d5fe6537fbe7f9b5c1924212995f9730c7d30d017", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "931b42d47b9f6dc204e0e14d5fe6537fbe7f9b5c1924212995f9730c7d30d017", kill_on_drop: false }`
[INFO] [stdout] 931b42d47b9f6dc204e0e14d5fe6537fbe7f9b5c1924212995f9730c7d30d017
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-51/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-51/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:e8397a04204aaf8b9f284182a6f9e27a3c2e67044d0943b4415b160bfc957681" "/opt/rustwide/cargo-home/bin/cargo" "+8262275854dc0e5381c9d42d56257d94932c5a87" "test" "--frozen", kill_on_drop: false }`
[INFO] [stdout] 496e2108c9acc36b30309454e45ca174ca0022c4de5912cf4b01c317cbc8c26f
[INFO] running `Command { std: "docker" "start" "-a" "496e2108c9acc36b30309454e45ca174ca0022c4de5912cf4b01c317cbc8c26f", kill_on_drop: false }`
[INFO] [stderr] warning: field is never read: `span`
[INFO] [stderr]   --> src/target.rs:13:5
[INFO] [stderr]    |
[INFO] [stderr] 13 |     span: proc_macro2::Span,
[INFO] [stderr]    |     ^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stderr]    |
[INFO] [stderr]    = note: `#[warn(dead_code)]` on by default
[INFO] [stderr] 
[INFO] [stderr] warning: `multiversion-macros` (lib) generated 1 warning
[INFO] [stderr] warning: `multiversion-macros` (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/multiversion_macros-c28d67c18a2af962)
[INFO] [stdout] 
[INFO] [stdout] running 12 tests
[INFO] [stdout] test target::test::parse_extra_plus_start ... ok
[INFO] [stdout] test target::test::parse_malformed_arch ... ok
[INFO] [stdout] test target::test::generate_single_target_feature ... ok
[INFO] [stdout] test target::test::generate_single_target_arch ... ok
[INFO] [stdout] test target::test::parse_extra_plus_end ... ok
[INFO] [stdout] test target::test::generate_multiple_target_feature ... ok
[INFO] [stdout] test target::test::generate_multiple_target_arch ... ok
[INFO] [stdout] test target::test::parse_missing_arch_close ... ok
[INFO] [stdout] test target::test::parse_multiple_arch_no_features ... ok
[INFO] [stdout] test target::test::parse_multiple_arch_with_features ... ok
[INFO] [stdout] test target::test::parse_single_arch_no_features ... ok
[INFO] [stdout] test target::test::parse_single_arch_with_features ... ok
[INFO] [stdout] 
[INFO] [stdout] test result: ok. 12 passed; 0 failed; 0 ignored; 0 measured; 0 filtered out; finished in 0.02s
[INFO] [stdout] 
[INFO] [stderr]    Doc-tests multiversion-macros
[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" "496e2108c9acc36b30309454e45ca174ca0022c4de5912cf4b01c317cbc8c26f", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "496e2108c9acc36b30309454e45ca174ca0022c4de5912cf4b01c317cbc8c26f", kill_on_drop: false }`
[INFO] [stdout] 496e2108c9acc36b30309454e45ca174ca0022c4de5912cf4b01c317cbc8c26f