[INFO] cloning repository https://github.com/dmolokanov/execution-time
[INFO] running `Command { std: "git" "-c" "credential.helper=" "-c" "credential.helper=/workspace/cargo-home/bin/git-credential-null" "clone" "--bare" "https://github.com/dmolokanov/execution-time" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fdmolokanov%2Fexecution-time", kill_on_drop: false }`
[INFO] [stderr] Cloning into bare repository '/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fdmolokanov%2Fexecution-time'...
[INFO] running `Command { std: "git" "rev-parse" "HEAD", kill_on_drop: false }`
[INFO] [stdout] 745a3827375689d62a8e614baa10b8ff8799732c
[INFO] documenting dmolokanov/execution-time against 1.61.0 for beta-1.62-rustdoc-1
[INFO] running `Command { std: "git" "clone" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fdmolokanov%2Fexecution-time" "/workspace/builds/worker-1/source", kill_on_drop: false }`
[INFO] [stderr] Cloning into '/workspace/builds/worker-1/source'...
[INFO] [stderr] done.
[INFO] validating manifest of git repo https://github.com/dmolokanov/execution-time 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 git repo https://github.com/dmolokanov/execution-time
[INFO] finished tweaking git repo https://github.com/dmolokanov/execution-time
[INFO] tweaked toml for git repo https://github.com/dmolokanov/execution-time written to /workspace/builds/worker-1/source/Cargo.toml
[INFO] crate git repo https://github.com/dmolokanov/execution-time already has a lockfile, it will not be regenerated
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+1.61.0" "fetch" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] [stderr]  Downloading crates ...
[INFO] [stderr]   Downloaded syn v1.0.19
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-1/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] [stderr] WARNING: Your kernel does not support swap limit capabilities or the cgroup is not mounted. Memory limited without swap.
[INFO] [stdout] 7c390abdb265c9f5e6aea4f540a37d0956a32f8670fbfb955f7b357211c233c3
[INFO] running `Command { std: "docker" "start" "-a" "7c390abdb265c9f5e6aea4f540a37d0956a32f8670fbfb955f7b357211c233c3", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "7c390abdb265c9f5e6aea4f540a37d0956a32f8670fbfb955f7b357211c233c3", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "7c390abdb265c9f5e6aea4f540a37d0956a32f8670fbfb955f7b357211c233c3", kill_on_drop: false }`
[INFO] [stdout] 7c390abdb265c9f5e6aea4f540a37d0956a32f8670fbfb955f7b357211c233c3
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-1/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] [stderr] WARNING: Your kernel does not support swap limit capabilities or the cgroup is not mounted. Memory limited without swap.
[INFO] [stdout] a3f8b25665754b39c12e982dada7d18b31730b18915ce1275467b0d953581974
[INFO] running `Command { std: "docker" "start" "-a" "a3f8b25665754b39c12e982dada7d18b31730b18915ce1275467b0d953581974", kill_on_drop: false }`
[INFO] [stderr]    Compiling proc-macro2 v1.0.12
[INFO] [stderr]    Compiling syn v1.0.19
[INFO] [stderr]     Checking unicode-xid v0.2.0
[INFO] [stderr]     Checking execution-time-core v0.1.0 (/opt/rustwide/workdir/execution-time-core)
[INFO] [stderr]  Documenting execution-time-core v0.1.0 (/opt/rustwide/workdir/execution-time-core)
[INFO] [stdout] warning: unused import: `lazy_static::lazy_static`
[INFO] [stdout]  --> execution-time-core/src/lib.rs:1:5
[INFO] [stdout]   |
[INFO] [stdout] 1 | use lazy_static::lazy_static;
[INFO] [stdout]   |     ^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout]   |
[INFO] [stdout]   = note: `#[warn(unused_imports)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `name`
[INFO] [stdout]   --> execution-time-core/src/lib.rs:17:27
[INFO] [stdout]    |
[INFO] [stdout] 17 | pub fn add_callback<N, F>(name: N, callback: F)
[INFO] [stdout]    |                           ^^^^ help: if this is intentional, prefix it with an underscore: `_name`
[INFO] [stdout]    |
[INFO] [stdout]    = note: `#[warn(unused_variables)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `callback`
[INFO] [stdout]   --> execution-time-core/src/lib.rs:17:36
[INFO] [stdout]    |
[INFO] [stdout] 17 | pub fn add_callback<N, F>(name: N, callback: F)
[INFO] [stdout]    |                                    ^^^^^^^^ help: if this is intentional, prefix it with an underscore: `_callback`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: type alias is never used: `Registry`
[INFO] [stdout]  --> execution-time-core/src/lib.rs:4:1
[INFO] [stdout]   |
[INFO] [stdout] 4 | type Registry = HashMap<String, Callback>;
[INFO] [stdout]   | ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout]   |
[INFO] [stdout]   = note: `#[warn(dead_code)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: struct is never constructed: `Callback`
[INFO] [stdout]  --> execution-time-core/src/lib.rs:5:8
[INFO] [stdout]   |
[INFO] [stdout] 5 | struct Callback(Arc<dyn Fn() + Send + Sync>);
[INFO] [stdout]   |        ^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: 5 warnings emitted
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused import: `lazy_static::lazy_static`
[INFO] [stdout]  --> execution-time-core/src/lib.rs:1:5
[INFO] [stdout]   |
[INFO] [stdout] 1 | use lazy_static::lazy_static;
[INFO] [stdout]   |     ^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout]   |
[INFO] [stdout]   = note: `#[warn(unused_imports)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `name`
[INFO] [stdout]   --> execution-time-core/src/lib.rs:17:27
[INFO] [stdout]    |
[INFO] [stdout] 17 | pub fn add_callback<N, F>(name: N, callback: F)
[INFO] [stdout]    |                           ^^^^ help: if this is intentional, prefix it with an underscore: `_name`
[INFO] [stdout]    |
[INFO] [stdout]    = note: `#[warn(unused_variables)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `callback`
[INFO] [stdout]   --> execution-time-core/src/lib.rs:17:36
[INFO] [stdout]    |
[INFO] [stdout] 17 | pub fn add_callback<N, F>(name: N, callback: F)
[INFO] [stdout]    |                                    ^^^^^^^^ help: if this is intentional, prefix it with an underscore: `_callback`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: type alias is never used: `Registry`
[INFO] [stdout]  --> execution-time-core/src/lib.rs:4:1
[INFO] [stdout]   |
[INFO] [stdout] 4 | type Registry = HashMap<String, Callback>;
[INFO] [stdout]   | ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout]   |
[INFO] [stdout]   = note: `#[warn(dead_code)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: struct is never constructed: `Callback`
[INFO] [stdout]  --> execution-time-core/src/lib.rs:5:8
[INFO] [stdout]   |
[INFO] [stdout] 5 | struct Callback(Arc<dyn Fn() + Send + Sync>);
[INFO] [stdout]   |        ^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: 5 warnings emitted
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr]     Checking quote v1.0.4
[INFO] [stderr]  Documenting execution-time-proc v0.1.0 (/opt/rustwide/workdir/execution-time-proc)
[INFO] [stderr]    Compiling execution-time-proc v0.1.0 (/opt/rustwide/workdir/execution-time-proc)
[INFO] [stderr]  Documenting execution-time v0.1.0 (/opt/rustwide/workdir/execution-time)
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 25.50s
[INFO] running `Command { std: "docker" "inspect" "a3f8b25665754b39c12e982dada7d18b31730b18915ce1275467b0d953581974", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "a3f8b25665754b39c12e982dada7d18b31730b18915ce1275467b0d953581974", kill_on_drop: false }`
[INFO] [stdout] a3f8b25665754b39c12e982dada7d18b31730b18915ce1275467b0d953581974
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-1/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] 883694f3551f023cdf6cf64410d517b774ae1cf60788c1d67862aee81860200f
[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" "883694f3551f023cdf6cf64410d517b774ae1cf60788c1d67862aee81860200f", kill_on_drop: false }`
[INFO] [stderr] error: manifest path `/opt/rustwide/workdir/Cargo.toml` is a virtual manifest, but this command requires running against an actual package in this workspace
[INFO] running `Command { std: "docker" "inspect" "883694f3551f023cdf6cf64410d517b774ae1cf60788c1d67862aee81860200f", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "883694f3551f023cdf6cf64410d517b774ae1cf60788c1d67862aee81860200f", kill_on_drop: false }`
[INFO] [stdout] 883694f3551f023cdf6cf64410d517b774ae1cf60788c1d67862aee81860200f