[INFO] fetching crate multiversion-macros 0.6.1...
[INFO] testing multiversion-macros-0.6.1 against try#722e1797249a965b6335aebd65d777f917e498f1 for pr-91031
[INFO] extracting crate multiversion-macros 0.6.1 into /workspace/builds/worker-13/source
[INFO] validating manifest of crates.io crate multiversion-macros 0.6.1 on toolchain 722e1797249a965b6335aebd65d777f917e498f1
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+722e1797249a965b6335aebd65d777f917e498f1" "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-13/source/Cargo.toml
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+722e1797249a965b6335aebd65d777f917e498f1" "generate-lockfile" "--manifest-path" "Cargo.toml" "-Zno-index-update", kill_on_drop: false }`
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+722e1797249a965b6335aebd65d777f917e498f1" "fetch" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-13/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-13/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" "+722e1797249a965b6335aebd65d777f917e498f1" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] d56203ac106dccfd7c3160fa85eda29046200726a84de6686427d124a469e592
[INFO] [stderr] WARNING: Your kernel does not support swap limit capabilities or the cgroup is not mounted. Memory limited without swap.
[INFO] running `Command { std: "docker" "start" "-a" "d56203ac106dccfd7c3160fa85eda29046200726a84de6686427d124a469e592", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "d56203ac106dccfd7c3160fa85eda29046200726a84de6686427d124a469e592", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "d56203ac106dccfd7c3160fa85eda29046200726a84de6686427d124a469e592", kill_on_drop: false }`
[INFO] [stdout] d56203ac106dccfd7c3160fa85eda29046200726a84de6686427d124a469e592
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-13/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-13/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" "+722e1797249a965b6335aebd65d777f917e498f1" "build" "--frozen" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] aafe5b2a0e315218fa3a7c13f811487ea589e1725c7a8060a5591283a8740c14
[INFO] [stderr] WARNING: Your kernel does not support swap limit capabilities or the cgroup is not mounted. Memory limited without swap.
[INFO] running `Command { std: "docker" "start" "-a" "aafe5b2a0e315218fa3a7c13f811487ea589e1725c7a8060a5591283a8740c14", kill_on_drop: false }`
[INFO] [stderr]    Compiling syn v1.0.81
[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 18.60s
[INFO] running `Command { std: "docker" "inspect" "aafe5b2a0e315218fa3a7c13f811487ea589e1725c7a8060a5591283a8740c14", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "aafe5b2a0e315218fa3a7c13f811487ea589e1725c7a8060a5591283a8740c14", kill_on_drop: false }`
[INFO] [stdout] aafe5b2a0e315218fa3a7c13f811487ea589e1725c7a8060a5591283a8740c14
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-13/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-13/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" "+722e1797249a965b6335aebd65d777f917e498f1" "test" "--frozen" "--no-run" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] 16c0b04836ba4891f8775eb0a812efdf0ad73fc22969ab190886a4af7015b19f
[INFO] [stderr] WARNING: Your kernel does not support swap limit capabilities or the cgroup is not mounted. Memory limited without swap.
[INFO] running `Command { std: "docker" "start" "-a" "16c0b04836ba4891f8775eb0a812efdf0ad73fc22969ab190886a4af7015b19f", kill_on_drop: false }`
[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] [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 2.05s
[INFO] running `Command { std: "docker" "inspect" "16c0b04836ba4891f8775eb0a812efdf0ad73fc22969ab190886a4af7015b19f", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "16c0b04836ba4891f8775eb0a812efdf0ad73fc22969ab190886a4af7015b19f", kill_on_drop: false }`
[INFO] [stdout] 16c0b04836ba4891f8775eb0a812efdf0ad73fc22969ab190886a4af7015b19f
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-13/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-13/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" "+722e1797249a965b6335aebd65d777f917e498f1" "test" "--frozen", kill_on_drop: false }`
[INFO] [stdout] 8298160c50d55f7f4bd2bdae7a0626cf2c6a21772152e370a01cd95d5c352507
[INFO] [stderr] WARNING: Your kernel does not support swap limit capabilities or the cgroup is not mounted. Memory limited without swap.
[INFO] running `Command { std: "docker" "start" "-a" "8298160c50d55f7f4bd2bdae7a0626cf2c6a21772152e370a01cd95d5c352507", 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 0.02s
[INFO] [stderr]      Running unittests (/opt/rustwide/target/debug/deps/multiversion_macros-915c58ad61603dd0)
[INFO] [stdout] 
[INFO] [stdout] running 12 tests
[INFO] [stdout] test target::test::generate_multiple_target_arch ... ok
[INFO] [stdout] test target::test::parse_single_arch_no_features ... ok
[INFO] [stdout] test target::test::parse_multiple_arch_with_features ... ok
[INFO] [stdout] test target::test::parse_multiple_arch_no_features ... ok
[INFO] [stdout] test target::test::parse_extra_plus_start ... ok
[INFO] [stdout] test target::test::parse_extra_plus_end ... ok
[INFO] [stdout] test target::test::parse_missing_arch_close ... ok
[INFO] [stdout] test target::test::generate_single_target_feature ... ok
[INFO] [stdout] test target::test::parse_malformed_arch ... ok
[INFO] [stdout] test target::test::parse_single_arch_with_features ... ok
[INFO] [stdout] test target::test::generate_single_target_arch ... ok
[INFO] [stdout] test target::test::generate_multiple_target_feature ... 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" "8298160c50d55f7f4bd2bdae7a0626cf2c6a21772152e370a01cd95d5c352507", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "8298160c50d55f7f4bd2bdae7a0626cf2c6a21772152e370a01cd95d5c352507", kill_on_drop: false }`
[INFO] [stdout] 8298160c50d55f7f4bd2bdae7a0626cf2c6a21772152e370a01cd95d5c352507