[INFO] fetching crate daemon 0.0.8...
[INFO] documenting daemon-0.0.8 against 1.69.0 for beta-1.70-rustdoc-1
[INFO] extracting crate daemon 0.0.8 into /workspace/builds/worker-2-tc1/source
[INFO] validating manifest of crates.io crate daemon 0.0.8 on toolchain 1.69.0
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+1.69.0" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }`
[INFO] started tweaking crates.io crate daemon 0.0.8
[INFO] finished tweaking crates.io crate daemon 0.0.8
[INFO] tweaked toml for crates.io crate daemon 0.0.8 written to /workspace/builds/worker-2-tc1/source/Cargo.toml
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" __CARGO_TEST_CHANNEL_OVERRIDE_DO_NOT_USE_THIS="nightly" "/workspace/cargo-home/bin/cargo" "+1.69.0" "generate-lockfile" "--manifest-path" "Cargo.toml" "-Zno-index-update", kill_on_drop: false }`
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+1.69.0" "fetch" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-2-tc1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-2-tc1/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@sha256:5ff2268d62e97bff2cde7d5815dd6ed5b47097566f13b8d0ca110b04b60e07ed" "/opt/rustwide/cargo-home/bin/cargo" "+1.69.0" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] d284f40df5d80154cbe7130ee9fa46634e8634428b1de52d61a924022fa51268
[INFO] running `Command { std: "docker" "start" "-a" "d284f40df5d80154cbe7130ee9fa46634e8634428b1de52d61a924022fa51268", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "d284f40df5d80154cbe7130ee9fa46634e8634428b1de52d61a924022fa51268", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "d284f40df5d80154cbe7130ee9fa46634e8634428b1de52d61a924022fa51268", kill_on_drop: false }`
[INFO] [stdout] d284f40df5d80154cbe7130ee9fa46634e8634428b1de52d61a924022fa51268
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-2-tc1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-2-tc1/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" "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@sha256:5ff2268d62e97bff2cde7d5815dd6ed5b47097566f13b8d0ca110b04b60e07ed" "/opt/rustwide/cargo-home/bin/cargo" "+1.69.0" "doc" "--frozen" "--no-deps" "--document-private-items" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] 8c7649b0b5ab46956754c4d8550518d6f34231d9e28f9239561c7a1d56c0eb63
[INFO] running `Command { std: "docker" "start" "-a" "8c7649b0b5ab46956754c4d8550518d6f34231d9e28f9239561c7a1d56c0eb63", kill_on_drop: false }`
[INFO] [stderr]  Documenting daemon v0.0.8 (/opt/rustwide/workdir)
[INFO] [stderr]     Checking daemon v0.0.8 (/opt/rustwide/workdir)
[INFO] [stdout] warning: use of deprecated macro `try`: use the `?` operator instead
[INFO] [stdout]   --> src/linux.rs:86:9
[INFO] [stdout]    |
[INFO] [stdout] 86 |         try!(guard_compare_and_swap(daemon_null(), &mut daemon));
[INFO] [stdout]    |         ^^^
[INFO] [stdout]    |
[INFO] [stdout]    = note: `#[warn(deprecated)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: use of deprecated macro `try`: use the `?` operator instead
[INFO] [stdout]   --> src/linux.rs:88:9
[INFO] [stdout]    |
[INFO] [stdout] 88 |         try!(guard_compare_and_swap(&mut daemon, daemon_null()));
[INFO] [stdout]    |         ^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: use of deprecated constant `std::sync::ONCE_INIT`: the `new` function is now preferred
[INFO] [stdout]   --> src/singleton.rs:38:59
[INFO] [stdout]    |
[INFO] [stdout] 38 |               static ONCE: ::std::sync::Once = ::std::sync::ONCE_INIT;
[INFO] [stdout]    |                                                             ^^^^^^^^^
[INFO] [stdout]    |
[INFO] [stdout]   ::: src/linux.rs:9:1
[INFO] [stdout]    |
[INFO] [stdout] 9  | / declare_singleton!(
[INFO] [stdout] 10 | |     singleton,
[INFO] [stdout] 11 | |     DaemonHolder,
[INFO] [stdout] 12 | |     DaemonHolder {
[INFO] [stdout] 13 | |         holder: 0 as *mut DaemonStatic
[INFO] [stdout] 14 | |     }
[INFO] [stdout] 15 | | );
[INFO] [stdout]    | |_- in this macro invocation
[INFO] [stdout]    |
[INFO] [stdout]    = note: this warning originates in the macro `declare_singleton` (in Nightly builds, run with -Z macro-backtrace for more info)
[INFO] [stdout] help: replace the use of the deprecated constant
[INFO] [stdout]    |
[INFO] [stdout] 38 |             static ONCE: ::std::sync::Once = ::std::sync::Once::new();
[INFO] [stdout]    |                                                           ~~~~~~~~~~~
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: trait objects without an explicit `dyn` are deprecated
[INFO] [stdout]   --> src/linux.rs:22:17
[INFO] [stdout]    |
[INFO] [stdout] 22 |     holder: Box<DaemonFunc>,
[INFO] [stdout]    |                 ^^^^^^^^^^
[INFO] [stdout]    |
[INFO] [stdout]    = warning: this is accepted in the current edition (Rust 2015) but is a hard error in Rust 2021!
[INFO] [stdout]    = note: for more information, see <https://doc.rust-lang.org/nightly/edition-guide/rust-2021/warnings-promoted-to-error.html>
[INFO] [stdout]    = note: `#[warn(bare_trait_objects)]` on by default
[INFO] [stdout] help: use `dyn`
[INFO] [stdout]    |
[INFO] [stdout] 22 |     holder: Box<dyn DaemonFunc>,
[INFO] [stdout]    |                 +++
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `sig`
[INFO] [stdout]    --> src/linux.rs:125:42
[INFO] [stdout]     |
[INFO] [stdout] 125 | unsafe extern "system" fn signal_handler(sig: libc::c_int) {
[INFO] [stdout]     |                                          ^^^ help: if this is intentional, prefix it with an underscore: `_sig`
[INFO] [stdout]     |
[INFO] [stdout]     = note: `#[warn(unused_variables)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unnecessary `unsafe` block
[INFO] [stdout]    --> src/linux.rs:111:5
[INFO] [stdout]     |
[INFO] [stdout] 111 |     unsafe {
[INFO] [stdout]     |     ^^^^^^ unnecessary `unsafe` block
[INFO] [stdout]     |
[INFO] [stdout]     = note: `#[warn(unused_unsafe)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: function `signal_handler` is never used
[INFO] [stdout]    --> src/linux.rs:125:27
[INFO] [stdout]     |
[INFO] [stdout] 125 | unsafe extern "system" fn signal_handler(sig: libc::c_int) {
[INFO] [stdout]     |                           ^^^^^^^^^^^^^^
[INFO] [stdout]     |
[INFO] [stdout]     = note: `#[warn(dead_code)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: function `raise` is never used
[INFO] [stdout]    --> src/linux.rs:142:8
[INFO] [stdout]     |
[INFO] [stdout] 142 |     fn raise(sig: libc::c_int) -> libc::c_int;
[INFO] [stdout]     |        ^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: function `signal` is never used
[INFO] [stdout]    --> src/linux.rs:143:8
[INFO] [stdout]     |
[INFO] [stdout] 143 |     fn signal(sig: libc::c_int, handler: *const libc::c_void) -> libc::c_int;
[INFO] [stdout]     |        ^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: function `kill` is never used
[INFO] [stdout]    --> src/linux.rs:144:8
[INFO] [stdout]     |
[INFO] [stdout] 144 |     fn kill(pid: libc::pid_t, sig: libc::c_int) -> libc::c_int;
[INFO] [stdout]     |        ^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: 10 warnings emitted
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 0.97s
[INFO] running `Command { std: "docker" "inspect" "8c7649b0b5ab46956754c4d8550518d6f34231d9e28f9239561c7a1d56c0eb63", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "8c7649b0b5ab46956754c4d8550518d6f34231d9e28f9239561c7a1d56c0eb63", kill_on_drop: false }`
[INFO] [stdout] 8c7649b0b5ab46956754c4d8550518d6f34231d9e28f9239561c7a1d56c0eb63
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-2-tc1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-2-tc1/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" "RUSTDOCFLAGS=--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@sha256:5ff2268d62e97bff2cde7d5815dd6ed5b47097566f13b8d0ca110b04b60e07ed" "/opt/rustwide/cargo-home/bin/cargo" "+1.69.0" "rustdoc" "--lib" "-Zrustdoc-map" "-Z" "unstable-options" "--config" "build.rustdocflags=[\"-Z\", \"unstable-options\", \"--document-private-items\"]" "--frozen" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] 2a0dccb2b4ff6a98ad567eed3150a1f44f9fcbdcdc4e80eeaa524c080507be90
[INFO] running `Command { std: "docker" "start" "-a" "2a0dccb2b4ff6a98ad567eed3150a1f44f9fcbdcdc4e80eeaa524c080507be90", kill_on_drop: false }`
[INFO] [stderr]  Documenting daemon v0.0.8 (/opt/rustwide/workdir)
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 0.41s
[INFO] running `Command { std: "docker" "inspect" "2a0dccb2b4ff6a98ad567eed3150a1f44f9fcbdcdc4e80eeaa524c080507be90", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "2a0dccb2b4ff6a98ad567eed3150a1f44f9fcbdcdc4e80eeaa524c080507be90", kill_on_drop: false }`
[INFO] [stdout] 2a0dccb2b4ff6a98ad567eed3150a1f44f9fcbdcdc4e80eeaa524c080507be90
