[INFO] fetching crate quickercheck 0.2.0... [INFO] documenting quickercheck-0.2.0 against 1.61.0 for beta-1.62-rustdoc-1 [INFO] extracting crate quickercheck 0.2.0 into /workspace/builds/worker-19/source [INFO] validating manifest of crates.io crate quickercheck 0.2.0 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 quickercheck 0.2.0 [INFO] finished tweaking crates.io crate quickercheck 0.2.0 [INFO] tweaked toml for crates.io crate quickercheck 0.2.0 written to /workspace/builds/worker-19/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] [stderr] Blocking waiting for file lock on package cache [INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+1.61.0" "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-19/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-19/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] 447dd837042ce36ed690c8f49c5bbe3ef3b5eadc658f49a86910d4b4ad999ee1 [INFO] running `Command { std: "docker" "start" "-a" "447dd837042ce36ed690c8f49c5bbe3ef3b5eadc658f49a86910d4b4ad999ee1", kill_on_drop: false }` [INFO] running `Command { std: "docker" "inspect" "447dd837042ce36ed690c8f49c5bbe3ef3b5eadc658f49a86910d4b4ad999ee1", kill_on_drop: false }` [INFO] running `Command { std: "docker" "rm" "-f" "447dd837042ce36ed690c8f49c5bbe3ef3b5eadc658f49a86910d4b4ad999ee1", kill_on_drop: false }` [INFO] [stdout] 447dd837042ce36ed690c8f49c5bbe3ef3b5eadc658f49a86910d4b4ad999ee1 [INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-19/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-19/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] a966abb25b55163c1bc4db5f74bf7f78d9a92274bbbfe9a3809e1cc30bb472bb [INFO] running `Command { std: "docker" "start" "-a" "a966abb25b55163c1bc4db5f74bf7f78d9a92274bbbfe9a3809e1cc30bb472bb", kill_on_drop: false }` [INFO] [stderr] Blocking waiting for file lock on package cache [INFO] [stderr] Compiling libc v0.2.126 [INFO] [stderr] Compiling autocfg v1.1.0 [INFO] [stderr] Compiling winapi-build v0.1.1 [INFO] [stderr] Checking winapi v0.2.8 [INFO] [stderr] Checking rustc-serialize v0.3.24 [INFO] [stderr] Compiling log v0.4.17 [INFO] [stderr] Checking cfg-if v1.0.0 [INFO] [stderr] Checking utf8-ranges v0.1.3 [INFO] [stderr] Checking regex-syntax v0.3.9 [INFO] [stderr] Compiling kernel32-sys v0.2.2 [INFO] [stderr] Compiling num-traits v0.2.15 [INFO] [stderr] Compiling num-integer v0.1.45 [INFO] [stderr] Compiling num-iter v0.1.43 [INFO] [stderr] Checking log v0.3.9 [INFO] [stderr] Checking rand v0.4.6 [INFO] [stderr] Checking memchr v0.1.11 [INFO] [stderr] Checking thread-id v2.0.0 [INFO] [stderr] Checking thread_local v0.2.7 [INFO] [stderr] Checking aho-corasick v0.5.3 [INFO] [stderr] Checking regex v0.1.80 [INFO] [stderr] Checking rand v0.3.23 [INFO] [stderr] Checking num-complex v0.1.43 [INFO] [stderr] Checking env_logger v0.3.5 [INFO] [stderr] Checking num-bigint v0.1.44 [INFO] [stderr] Checking num-rational v0.1.42 [INFO] [stderr] Checking num v0.1.42 [INFO] [stderr] Documenting quickercheck v0.2.0 (/opt/rustwide/workdir) [INFO] [stdout] warning: unnecessary parentheses around type [INFO] [stdout] --> src/arbitrary.rs:102:67 [INFO] [stdout] | [INFO] [stdout] 102 | where $container<$($placeholder),*>: FromIterator<($($placeholder),*)> + IntoIterator [INFO] [stdout] | ^ ^ [INFO] [stdout] ... [INFO] [stdout] 119 | generic_impls! { [INFO] [stdout] | _- [INFO] [stdout] | |_| [INFO] [stdout] | | [INFO] [stdout] 120 | | Vec, [INFO] [stdout] 121 | | BTreeMap, [INFO] [stdout] 122 | | BTreeSet, [INFO] [stdout] ... | [INFO] [stdout] 127 | | VecDeque [INFO] [stdout] 128 | | } [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 `generic_impls` (in Nightly builds, run with -Z macro-backtrace for more info) [INFO] [stdout] help: remove these parentheses [INFO] [stdout] | [INFO] [stdout] 102 - where $container<$($placeholder),*>: FromIterator<($($placeholder),*)> + IntoIterator [INFO] [stdout] 102 + where $container<$($placeholder),*>: FromIterator<$($placeholder),*> + IntoIterator [INFO] [stdout] | [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: unnecessary parentheses around type [INFO] [stdout] --> src/arbitrary.rs:102:108 [INFO] [stdout] | [INFO] [stdout] 102 | where $container<$($placeholder),*>: FromIterator<($($placeholder),*)> + IntoIterator [INFO] [stdout] | ^ ^ [INFO] [stdout] ... [INFO] [stdout] 119 | generic_impls! { [INFO] [stdout] | _- [INFO] [stdout] | |_| [INFO] [stdout] | | [INFO] [stdout] 120 | | Vec, [INFO] [stdout] 121 | | BTreeMap, [INFO] [stdout] 122 | | BTreeSet, [INFO] [stdout] ... | [INFO] [stdout] 127 | | VecDeque [INFO] [stdout] 128 | | } [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 `generic_impls` (in Nightly builds, run with -Z macro-backtrace for more info) [INFO] [stdout] help: remove these parentheses [INFO] [stdout] | [INFO] [stdout] 102 - where $container<$($placeholder),*>: FromIterator<($($placeholder),*)> + IntoIterator [INFO] [stdout] 102 + where $container<$($placeholder),*>: FromIterator<($($placeholder),*)> + IntoIterator [INFO] [stdout] | [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: unnecessary parentheses around type [INFO] [stdout] --> src/arbitrary.rs:104:88 [INFO] [stdout] | [INFO] [stdout] 104 | type Generator = FromIteratorGenerator<$container<$($placeholder),*>, <($($placeholder),*) as Arbitrary>::Generator>; [INFO] [stdout] | ^ ^ [INFO] [stdout] ... [INFO] [stdout] 119 | generic_impls! { [INFO] [stdout] | _- [INFO] [stdout] | |_| [INFO] [stdout] | | [INFO] [stdout] 120 | | Vec, [INFO] [stdout] 121 | | BTreeMap, [INFO] [stdout] 122 | | BTreeSet, [INFO] [stdout] ... | [INFO] [stdout] 127 | | VecDeque [INFO] [stdout] 128 | | } [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 `generic_impls` (in Nightly builds, run with -Z macro-backtrace for more info) [INFO] [stdout] help: remove these parentheses [INFO] [stdout] | [INFO] [stdout] 104 - type Generator = FromIteratorGenerator<$container<$($placeholder),*>, <($($placeholder),*) as Arbitrary>::Generator>; [INFO] [stdout] 104 + type Generator = FromIteratorGenerator<$container<$($placeholder),*>, <$($placeholder),* as Arbitrary>::Generator>; [INFO] [stdout] | [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: unnecessary parentheses around type [INFO] [stdout] --> src/arbitrary.rs:105:84 [INFO] [stdout] | [INFO] [stdout] 105 | type Shrink = FromIteratorShrinker<$container<$($placeholder),*>, <($($placeholder),*) as Arbitrary>::Shrink>; [INFO] [stdout] | ^ ^ [INFO] [stdout] ... [INFO] [stdout] 119 | generic_impls! { [INFO] [stdout] | _- [INFO] [stdout] | |_| [INFO] [stdout] | | [INFO] [stdout] 120 | | Vec, [INFO] [stdout] 121 | | BTreeMap, [INFO] [stdout] 122 | | BTreeSet, [INFO] [stdout] ... | [INFO] [stdout] 127 | | VecDeque [INFO] [stdout] 128 | | } [INFO] [stdout] | | - [INFO] [stdout] | |_| [INFO] [stdout] | |_in this macro invocation [INFO] [stdout] | in this macro invocation [INFO] [stdout] | [INFO] [stdout] = note: this warning originates in the macro `generic_impls` (in Nightly builds, run with -Z macro-backtrace for more info) [INFO] [stdout] help: remove these parentheses [INFO] [stdout] | [INFO] [stdout] 105 - type Shrink = FromIteratorShrinker<$container<$($placeholder),*>, <($($placeholder),*) as Arbitrary>::Shrink>; [INFO] [stdout] 105 + type Shrink = FromIteratorShrinker<$container<$($placeholder),*>, <$($placeholder),* as Arbitrary>::Shrink>; [INFO] [stdout] | [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: 4 warnings emitted [INFO] [stdout] [INFO] [stdout] [INFO] [stderr] Finished dev [unoptimized + debuginfo] target(s) in 7.25s [INFO] running `Command { std: "docker" "inspect" "a966abb25b55163c1bc4db5f74bf7f78d9a92274bbbfe9a3809e1cc30bb472bb", kill_on_drop: false }` [INFO] running `Command { std: "docker" "rm" "-f" "a966abb25b55163c1bc4db5f74bf7f78d9a92274bbbfe9a3809e1cc30bb472bb", kill_on_drop: false }` [INFO] [stdout] a966abb25b55163c1bc4db5f74bf7f78d9a92274bbbfe9a3809e1cc30bb472bb [INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-19/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-19/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" "DOCS_RS=1" "-e" "RUSTC_BOOTSTRAP=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] 6caf173bc86e891f8b149241d369a3c62aa86bbc1d3fd935e7b88a836b41245c [INFO] running `Command { std: "docker" "start" "-a" "6caf173bc86e891f8b149241d369a3c62aa86bbc1d3fd935e7b88a836b41245c", kill_on_drop: false }` [INFO] [stderr] Compiling autocfg v1.1.0 [INFO] [stderr] Compiling libc v0.2.126 [INFO] [stderr] Compiling winapi-build v0.1.1 [INFO] [stderr] Checking winapi v0.2.8 [INFO] [stderr] Compiling log v0.4.17 [INFO] [stderr] Checking rustc-serialize v0.3.24 [INFO] [stderr] Checking cfg-if v1.0.0 [INFO] [stderr] Checking regex-syntax v0.3.9 [INFO] [stderr] Checking utf8-ranges v0.1.3 [INFO] [stderr] Compiling kernel32-sys v0.2.2 [INFO] [stderr] Compiling num-traits v0.2.15 [INFO] [stderr] Compiling num-integer v0.1.45 [INFO] [stderr] Compiling num-iter v0.1.43 [INFO] [stderr] Checking log v0.3.9 [INFO] [stderr] Checking rand v0.4.6 [INFO] [stderr] Checking thread-id v2.0.0 [INFO] [stderr] Checking memchr v0.1.11 [INFO] [stderr] Checking thread_local v0.2.7 [INFO] [stderr] Checking aho-corasick v0.5.3 [INFO] [stderr] Checking regex v0.1.80 [INFO] [stderr] Checking rand v0.3.23 [INFO] [stderr] Checking env_logger v0.3.5 [INFO] [stderr] Checking num-complex v0.1.43 [INFO] [stderr] Checking num-bigint v0.1.44 [INFO] [stderr] Checking num-rational v0.1.42 [INFO] [stderr] Checking num v0.1.42 [INFO] [stderr] Documenting quickercheck v0.2.0 (/opt/rustwide/workdir) [INFO] [stdout] warning: unnecessary parentheses around type [INFO] [stdout] --> src/arbitrary.rs:102:67 [INFO] [stdout] | [INFO] [stdout] 102 | where $container<$($placeholder),*>: FromIterator<($($placeholder),*)> + IntoIterator [INFO] [stdout] | ^ ^ [INFO] [stdout] ... [INFO] [stdout] 119 | generic_impls! { [INFO] [stdout] | _- [INFO] [stdout] | |_| [INFO] [stdout] | | [INFO] [stdout] 120 | | Vec, [INFO] [stdout] 121 | | BTreeMap, [INFO] [stdout] 122 | | BTreeSet, [INFO] [stdout] ... | [INFO] [stdout] 127 | | VecDeque [INFO] [stdout] 128 | | } [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 `generic_impls` (in Nightly builds, run with -Z macro-backtrace for more info) [INFO] [stdout] help: remove these parentheses [INFO] [stdout] | [INFO] [stdout] 102 - where $container<$($placeholder),*>: FromIterator<($($placeholder),*)> + IntoIterator [INFO] [stdout] 102 + where $container<$($placeholder),*>: FromIterator<$($placeholder),*> + IntoIterator [INFO] [stdout] | [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: unnecessary parentheses around type [INFO] [stdout] --> src/arbitrary.rs:102:108 [INFO] [stdout] | [INFO] [stdout] 102 | where $container<$($placeholder),*>: FromIterator<($($placeholder),*)> + IntoIterator [INFO] [stdout] | ^ ^ [INFO] [stdout] ... [INFO] [stdout] 119 | generic_impls! { [INFO] [stdout] | _- [INFO] [stdout] | |_| [INFO] [stdout] | | [INFO] [stdout] 120 | | Vec, [INFO] [stdout] 121 | | BTreeMap, [INFO] [stdout] 122 | | BTreeSet, [INFO] [stdout] ... | [INFO] [stdout] 127 | | VecDeque [INFO] [stdout] 128 | | } [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 `generic_impls` (in Nightly builds, run with -Z macro-backtrace for more info) [INFO] [stdout] help: remove these parentheses [INFO] [stdout] | [INFO] [stdout] 102 - where $container<$($placeholder),*>: FromIterator<($($placeholder),*)> + IntoIterator [INFO] [stdout] 102 + where $container<$($placeholder),*>: FromIterator<($($placeholder),*)> + IntoIterator [INFO] [stdout] | [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: unnecessary parentheses around type [INFO] [stdout] --> src/arbitrary.rs:104:88 [INFO] [stdout] | [INFO] [stdout] 104 | type Generator = FromIteratorGenerator<$container<$($placeholder),*>, <($($placeholder),*) as Arbitrary>::Generator>; [INFO] [stdout] | ^ ^ [INFO] [stdout] ... [INFO] [stdout] 119 | generic_impls! { [INFO] [stdout] | _- [INFO] [stdout] | |_| [INFO] [stdout] | | [INFO] [stdout] 120 | | Vec, [INFO] [stdout] 121 | | BTreeMap, [INFO] [stdout] 122 | | BTreeSet, [INFO] [stdout] ... | [INFO] [stdout] 127 | | VecDeque [INFO] [stdout] 128 | | } [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 `generic_impls` (in Nightly builds, run with -Z macro-backtrace for more info) [INFO] [stdout] help: remove these parentheses [INFO] [stdout] | [INFO] [stdout] 104 - type Generator = FromIteratorGenerator<$container<$($placeholder),*>, <($($placeholder),*) as Arbitrary>::Generator>; [INFO] [stdout] 104 + type Generator = FromIteratorGenerator<$container<$($placeholder),*>, <$($placeholder),* as Arbitrary>::Generator>; [INFO] [stdout] | [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: unnecessary parentheses around type [INFO] [stdout] --> src/arbitrary.rs:105:84 [INFO] [stdout] | [INFO] [stdout] 105 | type Shrink = FromIteratorShrinker<$container<$($placeholder),*>, <($($placeholder),*) as Arbitrary>::Shrink>; [INFO] [stdout] | ^ ^ [INFO] [stdout] ... [INFO] [stdout] 119 | generic_impls! { [INFO] [stdout] | _- [INFO] [stdout] | |_| [INFO] [stdout] | | [INFO] [stdout] 120 | | Vec, [INFO] [stdout] 121 | | BTreeMap, [INFO] [stdout] 122 | | BTreeSet, [INFO] [stdout] ... | [INFO] [stdout] 127 | | VecDeque [INFO] [stdout] 128 | | } [INFO] [stdout] | | - [INFO] [stdout] | |_| [INFO] [stdout] | |_in this macro invocation [INFO] [stdout] | in this macro invocation [INFO] [stdout] | [INFO] [stdout] = note: this warning originates in the macro `generic_impls` (in Nightly builds, run with -Z macro-backtrace for more info) [INFO] [stdout] help: remove these parentheses [INFO] [stdout] | [INFO] [stdout] 105 - type Shrink = FromIteratorShrinker<$container<$($placeholder),*>, <($($placeholder),*) as Arbitrary>::Shrink>; [INFO] [stdout] 105 + type Shrink = FromIteratorShrinker<$container<$($placeholder),*>, <$($placeholder),* as Arbitrary>::Shrink>; [INFO] [stdout] | [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: 4 warnings emitted [INFO] [stdout] [INFO] [stdout] [INFO] [stderr] Finished dev [unoptimized + debuginfo] target(s) in 9.16s [INFO] running `Command { std: "docker" "inspect" "6caf173bc86e891f8b149241d369a3c62aa86bbc1d3fd935e7b88a836b41245c", kill_on_drop: false }` [INFO] running `Command { std: "docker" "rm" "-f" "6caf173bc86e891f8b149241d369a3c62aa86bbc1d3fd935e7b88a836b41245c", kill_on_drop: false }` [INFO] [stdout] 6caf173bc86e891f8b149241d369a3c62aa86bbc1d3fd935e7b88a836b41245c