[INFO] fetching crate inert 0.3.0...
[INFO] checking inert-0.3.0 against try#894d32a5432c6a6461bb2aac7c3d5f2e87dce83f for pr-77015
[INFO] extracting crate inert 0.3.0 into /workspace/builds/worker-0/source
[INFO] validating manifest of crates.io crate inert 0.3.0 on toolchain 894d32a5432c6a6461bb2aac7c3d5f2e87dce83f
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+894d32a5432c6a6461bb2aac7c3d5f2e87dce83f" "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-0/source/Cargo.toml
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+894d32a5432c6a6461bb2aac7c3d5f2e87dce83f" "generate-lockfile" "--manifest-path" "Cargo.toml" "-Zno-index-update", kill_on_drop: false }`
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+894d32a5432c6a6461bb2aac7c3d5f2e87dce83f" "fetch" "--locked" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] [stderr]  Downloading crates ...
[INFO] [stderr]   Downloaded inert_derive v0.1.4
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-0/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-0/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:d92eaeed33fa75130ca1ee6c8a01d1ffb62bac859dfdfb3450e3e5d1c0146529" "/opt/rustwide/cargo-home/bin/cargo" "+894d32a5432c6a6461bb2aac7c3d5f2e87dce83f" "metadata" "--no-deps" "--format-version=1", 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] 7dc8d361ad3513527e23a9254d51048944652179a8e66fe0d54b66b80db11e06
[INFO] running `Command { std: "docker" "start" "-a" "7dc8d361ad3513527e23a9254d51048944652179a8e66fe0d54b66b80db11e06", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "7dc8d361ad3513527e23a9254d51048944652179a8e66fe0d54b66b80db11e06", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "7dc8d361ad3513527e23a9254d51048944652179a8e66fe0d54b66b80db11e06", kill_on_drop: false }`
[INFO] [stdout] 7dc8d361ad3513527e23a9254d51048944652179a8e66fe0d54b66b80db11e06
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-0/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-0/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" "rustops/crates-build-env@sha256:d92eaeed33fa75130ca1ee6c8a01d1ffb62bac859dfdfb3450e3e5d1c0146529" "/opt/rustwide/cargo-home/bin/cargo" "+894d32a5432c6a6461bb2aac7c3d5f2e87dce83f" "check" "--frozen" "--all" "--all-targets" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] 9df866b9b2a857a5db1f0d5a55e4812e4568b37dbd60184ffc414d8fe1739e66
[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" "9df866b9b2a857a5db1f0d5a55e4812e4568b37dbd60184ffc414d8fe1739e66", kill_on_drop: false }`
[INFO] [stderr]    Compiling unicode-xid v0.1.0
[INFO] [stderr]    Compiling syn v0.15.44
[INFO] [stderr]    Compiling proc-macro2 v0.4.30
[INFO] [stderr]    Compiling quote v0.6.13
[INFO] [stderr]    Compiling inert_derive v0.1.4
[INFO] [stderr]     Checking 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: 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] [stdout] warning: 1 warning emitted
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 9.67s
[INFO] running `Command { std: "docker" "inspect" "9df866b9b2a857a5db1f0d5a55e4812e4568b37dbd60184ffc414d8fe1739e66", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "9df866b9b2a857a5db1f0d5a55e4812e4568b37dbd60184ffc414d8fe1739e66", kill_on_drop: false }`
[INFO] [stdout] 9df866b9b2a857a5db1f0d5a55e4812e4568b37dbd60184ffc414d8fe1739e66