[INFO] fetching crate tuple 0.5.1...
[INFO] documenting tuple-0.5.1 against 1.61.0 for beta-1.62-rustdoc-1
[INFO] extracting crate tuple 0.5.1 into /workspace/builds/worker-32/source
[INFO] validating manifest of crates.io crate tuple 0.5.1 on toolchain 1.61.0
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+1.61.0" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }`
[INFO] started tweaking crates.io crate tuple 0.5.1
[INFO] finished tweaking crates.io crate tuple 0.5.1
[INFO] tweaked toml for crates.io crate tuple 0.5.1 written to /workspace/builds/worker-32/source/Cargo.toml
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+1.61.0" "generate-lockfile" "--manifest-path" "Cargo.toml" "-Zno-index-update", kill_on_drop: false }`
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+1.61.0" "fetch" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-32/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-32/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:d190cb871061d98bc6d0581d85cb2ecb09a0f8a142ba5463de30be9999fc3251" "/opt/rustwide/cargo-home/bin/cargo" "+1.61.0" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] f9d9f45934032f19ea10fb44bf9dabd91d1bb25a6cc8c9fb2d94899089f19ff3
[INFO] running `Command { std: "docker" "start" "-a" "f9d9f45934032f19ea10fb44bf9dabd91d1bb25a6cc8c9fb2d94899089f19ff3", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "f9d9f45934032f19ea10fb44bf9dabd91d1bb25a6cc8c9fb2d94899089f19ff3", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "f9d9f45934032f19ea10fb44bf9dabd91d1bb25a6cc8c9fb2d94899089f19ff3", kill_on_drop: false }`
[INFO] [stdout] f9d9f45934032f19ea10fb44bf9dabd91d1bb25a6cc8c9fb2d94899089f19ff3
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-32/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-32/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" "RUSTDOCFLAGS=--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" "ghcr.io/rust-lang/crates-build-env/linux@sha256:d190cb871061d98bc6d0581d85cb2ecb09a0f8a142ba5463de30be9999fc3251" "/opt/rustwide/cargo-home/bin/cargo" "+1.61.0" "doc" "--frozen" "--no-deps" "--document-private-items" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] b0f0ae2b253d055447a397664e5abae6b7bc18bddac8ed81d59227017fd726eb
[INFO] running `Command { std: "docker" "start" "-a" "b0f0ae2b253d055447a397664e5abae6b7bc18bddac8ed81d59227017fd726eb", kill_on_drop: false }`
[INFO] [stderr]    Compiling num-traits v0.2.15
[INFO] [stderr]  Documenting tuple v0.5.1 (/opt/rustwide/workdir)
[INFO] [stdout] warning: unnecessary parentheses around type
[INFO] [stdout]    --> src/utils.rs:42:33
[INFO] [stdout]     |
[INFO] [stdout] 42  |     ( ; $($args:ident),* ) => ( ($($args),*) )
[INFO] [stdout]     |                                 ^          ^
[INFO] [stdout]     |
[INFO] [stdout]    ::: src/m_tuple.rs:231:1
[INFO] [stdout]     |
[INFO] [stdout] 231 | impl_tuple!(m_tuple);
[INFO] [stdout]     | --------------------
[INFO] [stdout]     | |
[INFO] [stdout]     | in this macro invocation
[INFO] [stdout]     | in this macro invocation
[INFO] [stdout]     |
[INFO] [stdout]     = note: `#[warn(unused_parens)]` on by default
[INFO] [stdout]     = note: this warning originates in the macro `x_tuple_ident` (in Nightly builds, run with -Z macro-backtrace for more info)
[INFO] [stdout] help: remove these parentheses
[INFO] [stdout]     |
[INFO] [stdout] 42  -     ( ; $($args:ident),* ) => ( ($($args),*) )
[INFO] [stdout] 42  +     ( ; $($args:ident),* ) => ( $($args),* )
[INFO] [stdout]     | 
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unnecessary parentheses around type
[INFO] [stdout]    --> src/utils.rs:42:33
[INFO] [stdout]     |
[INFO] [stdout] 42  |     ( ; $($args:ident),* ) => ( ($($args),*) )
[INFO] [stdout]     |                                 ^          ^
[INFO] [stdout]     |
[INFO] [stdout]    ::: src/m_tuple.rs:231:1
[INFO] [stdout]     |
[INFO] [stdout] 231 | impl_tuple!(m_tuple);
[INFO] [stdout]     | --------------------
[INFO] [stdout]     | |
[INFO] [stdout]     | in this macro invocation
[INFO] [stdout]     | in this macro invocation
[INFO] [stdout]     |
[INFO] [stdout]     = note: this warning originates in the macro `x_tuple_ident` (in Nightly builds, run with -Z macro-backtrace for more info)
[INFO] [stdout] help: remove these parentheses
[INFO] [stdout]     |
[INFO] [stdout] 42  -     ( ; $($args:ident),* ) => ( ($($args),*) )
[INFO] [stdout] 42  +     ( ; $($args:ident),* ) => ( $($args),* )
[INFO] [stdout]     | 
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unnecessary parentheses around type
[INFO] [stdout]    --> src/utils.rs:42:33
[INFO] [stdout]     |
[INFO] [stdout] 42  |     ( ; $($args:ident),* ) => ( ($($args),*) )
[INFO] [stdout]     |                                 ^          ^
[INFO] [stdout]     |
[INFO] [stdout]    ::: src/m_tuple.rs:231:1
[INFO] [stdout]     |
[INFO] [stdout] 231 | impl_tuple!(m_tuple);
[INFO] [stdout]     | --------------------
[INFO] [stdout]     | |
[INFO] [stdout]     | in this macro invocation
[INFO] [stdout]     | in this macro invocation
[INFO] [stdout]     |
[INFO] [stdout]     = note: this warning originates in the macro `x_tuple_ident` (in Nightly builds, run with -Z macro-backtrace for more info)
[INFO] [stdout] help: remove these parentheses
[INFO] [stdout]     |
[INFO] [stdout] 42  -     ( ; $($args:ident),* ) => ( ($($args),*) )
[INFO] [stdout] 42  +     ( ; $($args:ident),* ) => ( $($args),* )
[INFO] [stdout]     | 
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unnecessary parentheses around type
[INFO] [stdout]    --> src/m_tuple.rs:177:39
[INFO] [stdout]     |
[INFO] [stdout] 177 |         impl<$($l,)* $($r),*> OpSplit<($($l),*)> for ($($l,)* $($r),*) {
[INFO] [stdout]     |                                       ^       ^
[INFO] [stdout] ...
[INFO] [stdout] 232 | m_join!();
[INFO] [stdout]     | ---------
[INFO] [stdout]     | |
[INFO] [stdout]     | in this macro invocation
[INFO] [stdout]     | in this macro invocation
[INFO] [stdout]     |
[INFO] [stdout]     = note: this warning originates in the macro `impl_join` (in Nightly builds, run with -Z macro-backtrace for more info)
[INFO] [stdout] help: remove these parentheses
[INFO] [stdout]     |
[INFO] [stdout] 177 -         impl<$($l,)* $($r),*> OpSplit<($($l),*)> for ($($l,)* $($r),*) {
[INFO] [stdout] 177 +         impl<$($l,)* $($r),*> OpSplit<$($l),*> for ($($l,)* $($r),*) {
[INFO] [stdout]     | 
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unnecessary parentheses around type
[INFO] [stdout]    --> src/m_tuple.rs:178:22
[INFO] [stdout]     |
[INFO] [stdout] 178 |             type R = ($($r),*);
[INFO] [stdout]     |                      ^       ^
[INFO] [stdout] ...
[INFO] [stdout] 232 | m_join!();
[INFO] [stdout]     | ---------
[INFO] [stdout]     | |
[INFO] [stdout]     | in this macro invocation
[INFO] [stdout]     | in this macro invocation
[INFO] [stdout]     |
[INFO] [stdout]     = note: this warning originates in the macro `impl_join` (in Nightly builds, run with -Z macro-backtrace for more info)
[INFO] [stdout] help: remove these parentheses
[INFO] [stdout]     |
[INFO] [stdout] 178 -             type R = ($($r),*);
[INFO] [stdout] 178 +             type R = $($r),*;
[INFO] [stdout]     | 
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unnecessary parentheses around type
[INFO] [stdout]    --> src/m_tuple.rs:180:32
[INFO] [stdout]     |
[INFO] [stdout] 180 |             fn split(self) -> (($($l),*), Self::R) {
[INFO] [stdout]     |                                ^       ^
[INFO] [stdout] ...
[INFO] [stdout] 232 | m_join!();
[INFO] [stdout]     | ---------
[INFO] [stdout]     | |
[INFO] [stdout]     | in this macro invocation
[INFO] [stdout]     | in this macro invocation
[INFO] [stdout]     |
[INFO] [stdout]     = note: this warning originates in the macro `impl_join` (in Nightly builds, run with -Z macro-backtrace for more info)
[INFO] [stdout] help: remove these parentheses
[INFO] [stdout]     |
[INFO] [stdout] 180 -             fn split(self) -> (($($l),*), Self::R) {
[INFO] [stdout] 180 +             fn split(self) -> ($($l),*, Self::R) {
[INFO] [stdout]     | 
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: 6 warnings emitted
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 4.06s
[INFO] running `Command { std: "docker" "inspect" "b0f0ae2b253d055447a397664e5abae6b7bc18bddac8ed81d59227017fd726eb", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "b0f0ae2b253d055447a397664e5abae6b7bc18bddac8ed81d59227017fd726eb", kill_on_drop: false }`
[INFO] [stdout] b0f0ae2b253d055447a397664e5abae6b7bc18bddac8ed81d59227017fd726eb
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-32/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-32/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" "RUSTC_BOOTSTRAP=1" "-e" "DOCS_RS=1" "-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:d190cb871061d98bc6d0581d85cb2ecb09a0f8a142ba5463de30be9999fc3251" "/opt/rustwide/cargo-home/bin/cargo" "+1.61.0" "rustdoc" "--lib" "-Zrustdoc-map" "--frozen" "--message-format=json" "--" "-Z" "unstable-options" "--document-private-items", kill_on_drop: false }`
[INFO] [stdout] 2bee73ad3810b3fd2b46d3064743782f69899f6f3d68ec21d160da647e3d3b0c
[INFO] running `Command { std: "docker" "start" "-a" "2bee73ad3810b3fd2b46d3064743782f69899f6f3d68ec21d160da647e3d3b0c", kill_on_drop: false }`
[INFO] [stderr]    Compiling autocfg v1.1.0
[INFO] [stderr]    Compiling serde v1.0.137
[INFO] [stderr]    Compiling num-traits v0.2.15
[INFO] [stderr]  Documenting tuple v0.5.1 (/opt/rustwide/workdir)
[INFO] [stdout] warning: unnecessary parentheses around type
[INFO] [stdout]    --> src/utils.rs:42:33
[INFO] [stdout]     |
[INFO] [stdout] 42  |     ( ; $($args:ident),* ) => ( ($($args),*) )
[INFO] [stdout]     |                                 ^          ^
[INFO] [stdout]     |
[INFO] [stdout]    ::: src/m_tuple.rs:231:1
[INFO] [stdout]     |
[INFO] [stdout] 231 | impl_tuple!(m_tuple);
[INFO] [stdout]     | --------------------
[INFO] [stdout]     | |
[INFO] [stdout]     | in this macro invocation
[INFO] [stdout]     | in this macro invocation
[INFO] [stdout]     |
[INFO] [stdout]     = note: `#[warn(unused_parens)]` on by default
[INFO] [stdout]     = note: this warning originates in the macro `x_tuple_ident` (in Nightly builds, run with -Z macro-backtrace for more info)
[INFO] [stdout] help: remove these parentheses
[INFO] [stdout]     |
[INFO] [stdout] 42  -     ( ; $($args:ident),* ) => ( ($($args),*) )
[INFO] [stdout] 42  +     ( ; $($args:ident),* ) => ( $($args),* )
[INFO] [stdout]     | 
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unnecessary parentheses around type
[INFO] [stdout]    --> src/utils.rs:42:33
[INFO] [stdout]     |
[INFO] [stdout] 42  |     ( ; $($args:ident),* ) => ( ($($args),*) )
[INFO] [stdout]     |                                 ^          ^
[INFO] [stdout]     |
[INFO] [stdout]    ::: src/m_tuple.rs:231:1
[INFO] [stdout]     |
[INFO] [stdout] 231 | impl_tuple!(m_tuple);
[INFO] [stdout]     | --------------------
[INFO] [stdout]     | |
[INFO] [stdout]     | in this macro invocation
[INFO] [stdout]     | in this macro invocation
[INFO] [stdout]     |
[INFO] [stdout]     = note: this warning originates in the macro `x_tuple_ident` (in Nightly builds, run with -Z macro-backtrace for more info)
[INFO] [stdout] help: remove these parentheses
[INFO] [stdout]     |
[INFO] [stdout] 42  -     ( ; $($args:ident),* ) => ( ($($args),*) )
[INFO] [stdout] 42  +     ( ; $($args:ident),* ) => ( $($args),* )
[INFO] [stdout]     | 
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unnecessary parentheses around type
[INFO] [stdout]    --> src/utils.rs:42:33
[INFO] [stdout]     |
[INFO] [stdout] 42  |     ( ; $($args:ident),* ) => ( ($($args),*) )
[INFO] [stdout]     |                                 ^          ^
[INFO] [stdout]     |
[INFO] [stdout]    ::: src/m_tuple.rs:231:1
[INFO] [stdout]     |
[INFO] [stdout] 231 | impl_tuple!(m_tuple);
[INFO] [stdout]     | --------------------
[INFO] [stdout]     | |
[INFO] [stdout]     | in this macro invocation
[INFO] [stdout]     | in this macro invocation
[INFO] [stdout]     |
[INFO] [stdout]     = note: this warning originates in the macro `x_tuple_ident` (in Nightly builds, run with -Z macro-backtrace for more info)
[INFO] [stdout] help: remove these parentheses
[INFO] [stdout]     |
[INFO] [stdout] 42  -     ( ; $($args:ident),* ) => ( ($($args),*) )
[INFO] [stdout] 42  +     ( ; $($args:ident),* ) => ( $($args),* )
[INFO] [stdout]     | 
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unnecessary parentheses around type
[INFO] [stdout]    --> src/m_tuple.rs:177:39
[INFO] [stdout]     |
[INFO] [stdout] 177 |         impl<$($l,)* $($r),*> OpSplit<($($l),*)> for ($($l,)* $($r),*) {
[INFO] [stdout]     |                                       ^       ^
[INFO] [stdout] ...
[INFO] [stdout] 232 | m_join!();
[INFO] [stdout]     | ---------
[INFO] [stdout]     | |
[INFO] [stdout]     | in this macro invocation
[INFO] [stdout]     | in this macro invocation
[INFO] [stdout]     |
[INFO] [stdout]     = note: this warning originates in the macro `impl_join` (in Nightly builds, run with -Z macro-backtrace for more info)
[INFO] [stdout] help: remove these parentheses
[INFO] [stdout]     |
[INFO] [stdout] 177 -         impl<$($l,)* $($r),*> OpSplit<($($l),*)> for ($($l,)* $($r),*) {
[INFO] [stdout] 177 +         impl<$($l,)* $($r),*> OpSplit<$($l),*> for ($($l,)* $($r),*) {
[INFO] [stdout]     | 
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unnecessary parentheses around type
[INFO] [stdout]    --> src/m_tuple.rs:178:22
[INFO] [stdout]     |
[INFO] [stdout] 178 |             type R = ($($r),*);
[INFO] [stdout]     |                      ^       ^
[INFO] [stdout] ...
[INFO] [stdout] 232 | m_join!();
[INFO] [stdout]     | ---------
[INFO] [stdout]     | |
[INFO] [stdout]     | in this macro invocation
[INFO] [stdout]     | in this macro invocation
[INFO] [stdout]     |
[INFO] [stdout]     = note: this warning originates in the macro `impl_join` (in Nightly builds, run with -Z macro-backtrace for more info)
[INFO] [stdout] help: remove these parentheses
[INFO] [stdout]     |
[INFO] [stdout] 178 -             type R = ($($r),*);
[INFO] [stdout] 178 +             type R = $($r),*;
[INFO] [stdout]     | 
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unnecessary parentheses around type
[INFO] [stdout]    --> src/m_tuple.rs:180:32
[INFO] [stdout]     |
[INFO] [stdout] 180 |             fn split(self) -> (($($l),*), Self::R) {
[INFO] [stdout]     |                                ^       ^
[INFO] [stdout] ...
[INFO] [stdout] 232 | m_join!();
[INFO] [stdout]     | ---------
[INFO] [stdout]     | |
[INFO] [stdout]     | in this macro invocation
[INFO] [stdout]     | in this macro invocation
[INFO] [stdout]     |
[INFO] [stdout]     = note: this warning originates in the macro `impl_join` (in Nightly builds, run with -Z macro-backtrace for more info)
[INFO] [stdout] help: remove these parentheses
[INFO] [stdout]     |
[INFO] [stdout] 180 -             fn split(self) -> (($($l),*), Self::R) {
[INFO] [stdout] 180 +             fn split(self) -> ($($l),*, Self::R) {
[INFO] [stdout]     | 
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: 6 warnings emitted
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 11.57s
[INFO] running `Command { std: "docker" "inspect" "2bee73ad3810b3fd2b46d3064743782f69899f6f3d68ec21d160da647e3d3b0c", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "2bee73ad3810b3fd2b46d3064743782f69899f6f3d68ec21d160da647e3d3b0c", kill_on_drop: false }`
[INFO] [stdout] 2bee73ad3810b3fd2b46d3064743782f69899f6f3d68ec21d160da647e3d3b0c