[INFO] fetching crate cntr-nix 0.11.3-pre1...
[INFO] documenting cntr-nix-0.11.3-pre1 against 1.46.0 for beta-1.47-rustdoc-1
[INFO] extracting crate cntr-nix 0.11.3-pre1 into /workspace/builds/worker-7/source
[INFO] validating manifest of crates.io crate cntr-nix 0.11.3-pre1 on toolchain 1.46.0
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+1.46.0" "read-manifest" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] started tweaking crates.io crate cntr-nix 0.11.3-pre1
[INFO] removed 0 missing tests
[INFO] finished tweaking crates.io crate cntr-nix 0.11.3-pre1
[INFO] tweaked toml for crates.io crate cntr-nix 0.11.3-pre1 written to /workspace/builds/worker-7/source/Cargo.toml
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+1.46.0" "generate-lockfile" "--manifest-path" "Cargo.toml" "-Zno-index-update", kill_on_drop: false }`
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+1.46.0" "fetch" "--locked" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-7/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-7/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" "+1.46.0" "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] b991f39838bf038a33f3b37f57aecb7c56f418337db39f7f6b2918859b37ed2f
[INFO] running `Command { std: "docker" "start" "-a" "b991f39838bf038a33f3b37f57aecb7c56f418337db39f7f6b2918859b37ed2f", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "b991f39838bf038a33f3b37f57aecb7c56f418337db39f7f6b2918859b37ed2f", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "b991f39838bf038a33f3b37f57aecb7c56f418337db39f7f6b2918859b37ed2f", kill_on_drop: false }`
[INFO] [stdout] b991f39838bf038a33f3b37f57aecb7c56f418337db39f7f6b2918859b37ed2f
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-7/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-7/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" "rustops/crates-build-env@sha256:d92eaeed33fa75130ca1ee6c8a01d1ffb62bac859dfdfb3450e3e5d1c0146529" "/opt/rustwide/cargo-home/bin/cargo" "+1.46.0" "doc" "--frozen" "--no-deps" "--document-private-items" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] 16c87df04c5184c79578dad82a3bc48df9883661ffe9edd49179339af4e8c4cc
[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" "16c87df04c5184c79578dad82a3bc48df9883661ffe9edd49179339af4e8c4cc", kill_on_drop: false }`
[INFO] [stderr]    Compiling cntr-nix v0.11.3-pre1 (/opt/rustwide/workdir)
[INFO] [stderr]  Documenting cntr-nix v0.11.3-pre1 (/opt/rustwide/workdir)
[INFO] [stdout] warning: unnecessary parentheses around type
[INFO] [stdout]    --> src/mqueue.rs:154:46
[INFO] [stdout]     |
[INFO] [stdout] 154 | pub fn mq_set_nonblock(mqd: mqd_t) -> Result<(MqAttr)> {
[INFO] [stdout]     |                                              ^^^^^^^^ help: remove these parentheses
[INFO] [stdout]     |
[INFO] [stdout] note: the lint level is defined here
[INFO] [stdout]    --> src/lib.rs:13:9
[INFO] [stdout]     |
[INFO] [stdout] 13  | #![deny(unused)]
[INFO] [stdout]     |         ^^^^^^
[INFO] [stdout]     = note: `#[warn(unused_parens)]` implied by `#[warn(unused)]`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unnecessary parentheses around type
[INFO] [stdout]    --> src/mqueue.rs:166:49
[INFO] [stdout]     |
[INFO] [stdout] 166 | pub fn mq_remove_nonblock(mqd: mqd_t) -> Result<(MqAttr)> {
[INFO] [stdout]     |                                                 ^^^^^^^^ help: remove these parentheses
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error[E0308]: mismatched types
[INFO] [stdout]    --> src/macros.rs:197:26
[INFO] [stdout]     |
[INFO] [stdout] 197 |                   $entry = libc::$entry,
[INFO] [stdout]     |                            ^^^^^^^^^^^^ expected `i32`, found `u32`
[INFO] [stdout]     | 
[INFO] [stdout]    ::: src/sys/resource.rs:6:1
[INFO] [stdout]     |
[INFO] [stdout] 6   | / libc_enum!{
[INFO] [stdout] 7   | |     #[repr(i32)]
[INFO] [stdout] 8   | |     pub enum Resource {
[INFO] [stdout] 9   | |         RLIMIT_AS,
[INFO] [stdout] ...   |
[INFO] [stdout] 35  | |     }
[INFO] [stdout] 36  | | }
[INFO] [stdout]     | |_- in this macro invocation
[INFO] [stdout]     |
[INFO] [stdout]     = note: this error originates in a macro (in Nightly builds, run with -Z macro-backtrace for more info)
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error[E0308]: mismatched types
[INFO] [stdout]    --> src/macros.rs:197:26
[INFO] [stdout]     |
[INFO] [stdout] 197 |                   $entry = libc::$entry,
[INFO] [stdout]     |                            ^^^^^^^^^^^^ expected `i32`, found `u32`
[INFO] [stdout]     | 
[INFO] [stdout]    ::: src/sys/resource.rs:6:1
[INFO] [stdout]     |
[INFO] [stdout] 6   | / libc_enum!{
[INFO] [stdout] 7   | |     #[repr(i32)]
[INFO] [stdout] 8   | |     pub enum Resource {
[INFO] [stdout] 9   | |         RLIMIT_AS,
[INFO] [stdout] ...   |
[INFO] [stdout] 35  | |     }
[INFO] [stdout] 36  | | }
[INFO] [stdout]     | |_- in this macro invocation
[INFO] [stdout]     |
[INFO] [stdout]     = note: this error originates in a macro (in Nightly builds, run with -Z macro-backtrace for more info)
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error[E0308]: mismatched types
[INFO] [stdout]    --> src/macros.rs:197:26
[INFO] [stdout]     |
[INFO] [stdout] 197 |                   $entry = libc::$entry,
[INFO] [stdout]     |                            ^^^^^^^^^^^^ expected `i32`, found `u32`
[INFO] [stdout]     | 
[INFO] [stdout]    ::: src/sys/resource.rs:6:1
[INFO] [stdout]     |
[INFO] [stdout] 6   | / libc_enum!{
[INFO] [stdout] 7   | |     #[repr(i32)]
[INFO] [stdout] 8   | |     pub enum Resource {
[INFO] [stdout] 9   | |         RLIMIT_AS,
[INFO] [stdout] ...   |
[INFO] [stdout] 35  | |     }
[INFO] [stdout] 36  | | }
[INFO] [stdout]     | |_- in this macro invocation
[INFO] [stdout]     |
[INFO] [stdout]     = note: this error originates in a macro (in Nightly builds, run with -Z macro-backtrace for more info)
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error[E0308]: mismatched types
[INFO] [stdout]    --> src/macros.rs:197:26
[INFO] [stdout]     |
[INFO] [stdout] 197 |                   $entry = libc::$entry,
[INFO] [stdout]     |                            ^^^^^^^^^^^^ expected `i32`, found `u32`
[INFO] [stdout]     | 
[INFO] [stdout]    ::: src/sys/resource.rs:6:1
[INFO] [stdout]     |
[INFO] [stdout] 6   | / libc_enum!{
[INFO] [stdout] 7   | |     #[repr(i32)]
[INFO] [stdout] 8   | |     pub enum Resource {
[INFO] [stdout] 9   | |         RLIMIT_AS,
[INFO] [stdout] ...   |
[INFO] [stdout] 35  | |     }
[INFO] [stdout] 36  | | }
[INFO] [stdout]     | |_- in this macro invocation
[INFO] [stdout]     |
[INFO] [stdout]     = note: this error originates in a macro (in Nightly builds, run with -Z macro-backtrace for more info)
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error[E0308]: mismatched types
[INFO] [stdout]    --> src/macros.rs:197:26
[INFO] [stdout]     |
[INFO] [stdout] 197 |                   $entry = libc::$entry,
[INFO] [stdout]     |                            ^^^^^^^^^^^^ expected `i32`, found `u32`
[INFO] [stdout]     | 
[INFO] [stdout]    ::: src/sys/resource.rs:6:1
[INFO] [stdout]     |
[INFO] [stdout] 6   | / libc_enum!{
[INFO] [stdout] 7   | |     #[repr(i32)]
[INFO] [stdout] 8   | |     pub enum Resource {
[INFO] [stdout] 9   | |         RLIMIT_AS,
[INFO] [stdout] ...   |
[INFO] [stdout] 35  | |     }
[INFO] [stdout] 36  | | }
[INFO] [stdout]     | |_- in this macro invocation
[INFO] [stdout]     |
[INFO] [stdout]     = note: this error originates in a macro (in Nightly builds, run with -Z macro-backtrace for more info)
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error[E0308]: mismatched types
[INFO] [stdout]    --> src/macros.rs:197:26
[INFO] [stdout]     |
[INFO] [stdout] 197 |                   $entry = libc::$entry,
[INFO] [stdout]     |                            ^^^^^^^^^^^^ expected `i32`, found `u32`
[INFO] [stdout]     | 
[INFO] [stdout]    ::: src/sys/resource.rs:6:1
[INFO] [stdout]     |
[INFO] [stdout] 6   | / libc_enum!{
[INFO] [stdout] 7   | |     #[repr(i32)]
[INFO] [stdout] 8   | |     pub enum Resource {
[INFO] [stdout] 9   | |         RLIMIT_AS,
[INFO] [stdout] ...   |
[INFO] [stdout] 35  | |     }
[INFO] [stdout] 36  | | }
[INFO] [stdout]     | |_- in this macro invocation
[INFO] [stdout]     |
[INFO] [stdout]     = note: this error originates in a macro (in Nightly builds, run with -Z macro-backtrace for more info)
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error[E0308]: mismatched types
[INFO] [stdout]    --> src/macros.rs:197:26
[INFO] [stdout]     |
[INFO] [stdout] 197 |                   $entry = libc::$entry,
[INFO] [stdout]     |                            ^^^^^^^^^^^^ expected `i32`, found `u32`
[INFO] [stdout]     | 
[INFO] [stdout]    ::: src/sys/resource.rs:6:1
[INFO] [stdout]     |
[INFO] [stdout] 6   | / libc_enum!{
[INFO] [stdout] 7   | |     #[repr(i32)]
[INFO] [stdout] 8   | |     pub enum Resource {
[INFO] [stdout] 9   | |         RLIMIT_AS,
[INFO] [stdout] ...   |
[INFO] [stdout] 35  | |     }
[INFO] [stdout] 36  | | }
[INFO] [stdout]     | |_- in this macro invocation
[INFO] [stdout]     |
[INFO] [stdout]     = note: this error originates in a macro (in Nightly builds, run with -Z macro-backtrace for more info)
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error: aborting due to 7 previous errors; 2 warnings emitted
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] For more information about this error, try `rustc --explain E0308`.
[INFO] [stdout] 
[INFO] [stderr] error: Could not document `cntr-nix`.
[INFO] [stderr] 
[INFO] [stderr] Caused by:
[INFO] [stderr]   process didn't exit successfully: `rustdoc --crate-type lib --crate-name nix src/lib.rs -o /opt/rustwide/target/doc --error-format=json --json=diagnostic-rendered-ansi --document-private-items -L dependency=/opt/rustwide/target/debug/deps --extern bitflags=/opt/rustwide/target/debug/deps/libbitflags-b7cb6f2855b37747.rmeta --extern cfg_if=/opt/rustwide/target/debug/deps/libcfg_if-54290d1d4e24abd9.rmeta --extern libc=/opt/rustwide/target/debug/deps/liblibc-1ad3ad1e20beb97f.rmeta --extern void=/opt/rustwide/target/debug/deps/libvoid-1690fd8e51023975.rmeta --cap-lints=warn` (exit code: 1)
[INFO] running `Command { std: "docker" "inspect" "16c87df04c5184c79578dad82a3bc48df9883661ffe9edd49179339af4e8c4cc", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "16c87df04c5184c79578dad82a3bc48df9883661ffe9edd49179339af4e8c4cc", kill_on_drop: false }`
[INFO] [stdout] 16c87df04c5184c79578dad82a3bc48df9883661ffe9edd49179339af4e8c4cc