[INFO] fetching crate inert 0.3.0...
[INFO] testing inert-0.3.0 against 1.49.0 for beta-1.50-1
[INFO] extracting crate inert 0.3.0 into /workspace/builds/worker-9/source
[INFO] validating manifest of crates.io crate inert 0.3.0 on toolchain 1.49.0
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+1.49.0" "read-manifest" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] started tweaking crates.io crate inert 0.3.0
[INFO] removed 0 missing tests
[INFO] finished tweaking crates.io crate inert 0.3.0
[INFO] tweaked toml for crates.io crate inert 0.3.0 written to /workspace/builds/worker-9/source/Cargo.toml
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+1.49.0" "generate-lockfile" "--manifest-path" "Cargo.toml" "-Zno-index-update", kill_on_drop: false }`
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+1.49.0" "fetch" "--locked" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-9/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-9/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" "rustops/crates-build-env@sha256:b8eeb62f26c39b23691079a6cb6de528d8e88b4d71a8f6b1d30f8ba7d9c16de9" "/opt/rustwide/cargo-home/bin/cargo" "+1.49.0" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] ff2744eef1c07c4275ace353b71b1edf601e19f96a1526f36e6d98148f40addf
[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" "ff2744eef1c07c4275ace353b71b1edf601e19f96a1526f36e6d98148f40addf", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "ff2744eef1c07c4275ace353b71b1edf601e19f96a1526f36e6d98148f40addf", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "ff2744eef1c07c4275ace353b71b1edf601e19f96a1526f36e6d98148f40addf", kill_on_drop: false }`
[INFO] [stdout] ff2744eef1c07c4275ace353b71b1edf601e19f96a1526f36e6d98148f40addf
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-9/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-9/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=warn" "-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" "rustops/crates-build-env@sha256:b8eeb62f26c39b23691079a6cb6de528d8e88b4d71a8f6b1d30f8ba7d9c16de9" "/opt/rustwide/cargo-home/bin/cargo" "+1.49.0" "build" "--frozen" "--message-format=json", kill_on_drop: false }`
[INFO] [stderr] WARNING: Your kernel does not support swap limit capabilities or the cgroup is not mounted. Memory limited without swap.
[INFO] [stdout] c081ea3233cf7c678afcd8d692e8550588adfda3576fcd0b5b3d68eac7f2cc2f
[INFO] running `Command { std: "docker" "start" "-a" "c081ea3233cf7c678afcd8d692e8550588adfda3576fcd0b5b3d68eac7f2cc2f", kill_on_drop: false }`
[INFO] [stderr]    Compiling syn v0.15.44
[INFO] [stderr]    Compiling inert_derive v0.1.4
[INFO] [stderr]    Compiling inert v0.3.0 (/opt/rustwide/workdir)
[INFO] [stdout] warning: unnecessary parentheses around type
[INFO] [stdout]    --> src/lib.rs:736:27
[INFO] [stdout]     |
[INFO] [stdout] 736 |               type Output = ($(Inert<$p>),*);
[INFO] [stdout]     |                             ^^^^^^^^^^^^^^^^ help: remove these parentheses
[INFO] [stdout] ...
[INFO] [stdout] 758 | / neutralize_tuple! {
[INFO] [stdout] 759 | |     (),
[INFO] [stdout] 760 | |     (A),
[INFO] [stdout] 761 | |     (A, B),
[INFO] [stdout] ...   |
[INFO] [stdout] 771 | |     (A, B, C, D, E, F, G, H, I, J, K, L),
[INFO] [stdout] 772 | | }
[INFO] [stdout]     | |_- in this macro invocation
[INFO] [stdout]     |
[INFO] [stdout]     = note: `#[warn(unused_parens)]` on by default
[INFO] [stdout]     = note: this warning originates in a macro (in Nightly builds, run with -Z macro-backtrace for more info)
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: 1 warning emitted
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 10.31s
[INFO] running `Command { std: "docker" "inspect" "c081ea3233cf7c678afcd8d692e8550588adfda3576fcd0b5b3d68eac7f2cc2f", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "c081ea3233cf7c678afcd8d692e8550588adfda3576fcd0b5b3d68eac7f2cc2f", kill_on_drop: false }`
[INFO] [stdout] c081ea3233cf7c678afcd8d692e8550588adfda3576fcd0b5b3d68eac7f2cc2f
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-9/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-9/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=warn" "-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" "rustops/crates-build-env@sha256:b8eeb62f26c39b23691079a6cb6de528d8e88b4d71a8f6b1d30f8ba7d9c16de9" "/opt/rustwide/cargo-home/bin/cargo" "+1.49.0" "test" "--frozen" "--no-run" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] 9aec04f3d67dafe3fb2f001c5207d0505f8111dffa99476f93ac11c0641b17ca
[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" "9aec04f3d67dafe3fb2f001c5207d0505f8111dffa99476f93ac11c0641b17ca", kill_on_drop: false }`
[INFO] [stderr]     Finished test [unoptimized + debuginfo] target(s) in 0.03s
[INFO] [stdout] warning: unnecessary parentheses around type
[INFO] [stdout]    --> src/lib.rs:736:27
[INFO] [stdout]     |
[INFO] [stdout] 736 |               type Output = ($(Inert<$p>),*);
[INFO] [stdout]     |                             ^^^^^^^^^^^^^^^^ help: remove these parentheses
[INFO] [stdout] ...
[INFO] [stdout] 758 | / neutralize_tuple! {
[INFO] [stdout] 759 | |     (),
[INFO] [stdout] 760 | |     (A),
[INFO] [stdout] 761 | |     (A, B),
[INFO] [stdout] ...   |
[INFO] [stdout] 771 | |     (A, B, C, D, E, F, G, H, I, J, K, L),
[INFO] [stdout] 772 | | }
[INFO] [stdout]     | |_- in this macro invocation
[INFO] [stdout]     |
[INFO] [stdout]     = note: `#[warn(unused_parens)]` on by default
[INFO] [stdout]     = note: this warning originates in a macro (in Nightly builds, run with -Z macro-backtrace for more info)
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: 1 warning emitted
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] running `Command { std: "docker" "inspect" "9aec04f3d67dafe3fb2f001c5207d0505f8111dffa99476f93ac11c0641b17ca", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "9aec04f3d67dafe3fb2f001c5207d0505f8111dffa99476f93ac11c0641b17ca", kill_on_drop: false }`
[INFO] [stdout] 9aec04f3d67dafe3fb2f001c5207d0505f8111dffa99476f93ac11c0641b17ca
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-9/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-9/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=warn" "-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" "rustops/crates-build-env@sha256:b8eeb62f26c39b23691079a6cb6de528d8e88b4d71a8f6b1d30f8ba7d9c16de9" "/opt/rustwide/cargo-home/bin/cargo" "+1.49.0" "test" "--frozen", kill_on_drop: false }`
[INFO] [stdout] c4a9baa9ea3d97dfd9085bde82b3c7486a92c786621347a20921e048c455a7fa
[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" "c4a9baa9ea3d97dfd9085bde82b3c7486a92c786621347a20921e048c455a7fa", kill_on_drop: false }`
[INFO] [stderr]     Blocking waiting for file lock on package cache
[INFO] [stderr] warning: unnecessary parentheses around type
[INFO] [stderr]    --> src/lib.rs:736:27
[INFO] [stderr]     |
[INFO] [stderr] 736 |               type Output = ($(Inert<$p>),*);
[INFO] [stderr]     |                             ^^^^^^^^^^^^^^^^ help: remove these parentheses
[INFO] [stderr] ...
[INFO] [stderr] 758 | / neutralize_tuple! {
[INFO] [stderr] 759 | |     (),
[INFO] [stderr] 760 | |     (A),
[INFO] [stderr] 761 | |     (A, B),
[INFO] [stderr] ...   |
[INFO] [stderr] 771 | |     (A, B, C, D, E, F, G, H, I, J, K, L),
[INFO] [stderr] 772 | | }
[INFO] [stderr]     | |_- in this macro invocation
[INFO] [stderr]     |
[INFO] [stderr]     = note: `#[warn(unused_parens)]` on by default
[INFO] [stderr]     = note: this warning originates in a macro (in Nightly builds, run with -Z macro-backtrace for more info)
[INFO] [stderr] 
[INFO] [stderr] warning: 1 warning emitted
[INFO] [stderr] 
[INFO] [stderr]     Finished test [unoptimized + debuginfo] target(s) in 1.13s
[INFO] [stderr]    Doc-tests inert
[INFO] [stderr] warning: unnecessary parentheses around type
[INFO] [stderr]    --> /opt/rustwide/workdir/src/lib.rs:736:27
[INFO] [stderr]     |
[INFO] [stderr] 736 |               type Output = ($(Inert<$p>),*);
[INFO] [stderr]     |                             ^^^^^^^^^^^^^^^^ help: remove these parentheses
[INFO] [stderr] ...
[INFO] [stderr] 758 | / neutralize_tuple! {
[INFO] [stderr] 759 | |     (),
[INFO] [stderr] 760 | |     (A),
[INFO] [stderr] 761 | |     (A, B),
[INFO] [stderr] ...   |
[INFO] [stderr] 771 | |     (A, B, C, D, E, F, G, H, I, J, K, L),
[INFO] [stderr] 772 | | }
[INFO] [stderr]     | |_- in this macro invocation
[INFO] [stderr]     |
[INFO] [stderr]     = note: `#[warn(unused_parens)]` on by default
[INFO] [stderr]     = note: this warning originates in a macro (in Nightly builds, run with -Z macro-backtrace for more info)
[INFO] [stderr] 
[INFO] [stderr] warning: 1 warning emitted
[INFO] [stderr] 
[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
[INFO] [stdout] 
[INFO] running `Command { std: "docker" "inspect" "c4a9baa9ea3d97dfd9085bde82b3c7486a92c786621347a20921e048c455a7fa", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "c4a9baa9ea3d97dfd9085bde82b3c7486a92c786621347a20921e048c455a7fa", kill_on_drop: false }`
[INFO] [stdout] c4a9baa9ea3d97dfd9085bde82b3c7486a92c786621347a20921e048c455a7fa