[INFO] crate commander-macros 1.2.0 is already in cache
[INFO] documenting commander-macros-1.2.0 against try#66dfc4e010913fbed0c4ea91fc2c010004b0f441 for pr-73566
[INFO] extracting crate commander-macros 1.2.0 into /workspace/builds/worker-2/source
[INFO] validating manifest of crates.io crate commander-macros 1.2.0 on toolchain 66dfc4e010913fbed0c4ea91fc2c010004b0f441
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+66dfc4e010913fbed0c4ea91fc2c010004b0f441" "read-manifest" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] started tweaking crates.io crate commander-macros 1.2.0
[INFO] finished tweaking crates.io crate commander-macros 1.2.0
[INFO] tweaked toml for crates.io crate commander-macros 1.2.0 written to /workspace/builds/worker-2/source/Cargo.toml
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+66dfc4e010913fbed0c4ea91fc2c010004b0f441" "generate-lockfile" "--manifest-path" "Cargo.toml" "-Zno-index-update", kill_on_drop: false }`
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+66dfc4e010913fbed0c4ea91fc2c010004b0f441" "fetch" "--locked" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-2/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" "MAP_USER_ID=0" "-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" "--network" "none" "rustops/crates-build-env@sha256:819119df93c0f5eca3f29186f14981ef29945a311854d7222af07488600a2584" "/opt/rustwide/cargo-home/bin/cargo" "+66dfc4e010913fbed0c4ea91fc2c010004b0f441" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] 75ca23acba0cd9c63dbbc7e2ddd9315b94a6d702df981e35056f62fb600c77a0
[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" "75ca23acba0cd9c63dbbc7e2ddd9315b94a6d702df981e35056f62fb600c77a0", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "75ca23acba0cd9c63dbbc7e2ddd9315b94a6d702df981e35056f62fb600c77a0", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "75ca23acba0cd9c63dbbc7e2ddd9315b94a6d702df981e35056f62fb600c77a0", kill_on_drop: false }`
[INFO] [stdout] 75ca23acba0cd9c63dbbc7e2ddd9315b94a6d702df981e35056f62fb600c77a0
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-2/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" "MAP_USER_ID=0" "-e" "CARGO_TARGET_DIR=/opt/rustwide/target" "-e" "CARGO_INCREMENTAL=0" "-e" "RUST_BACKTRACE=full" "-e" "RUSTDOCFLAGS=--cap-lints=forbid" "-e" "CARGO_HOME=/opt/rustwide/cargo-home" "-e" "RUSTUP_HOME=/opt/rustwide/rustup-home" "-w" "/opt/rustwide/workdir" "-m" "1610612736" "--network" "none" "rustops/crates-build-env@sha256:819119df93c0f5eca3f29186f14981ef29945a311854d7222af07488600a2584" "/opt/rustwide/cargo-home/bin/cargo" "+66dfc4e010913fbed0c4ea91fc2c010004b0f441" "doc" "--frozen" "--no-deps" "--document-private-items" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] b9c8020f6ce4be863c2478529e1ebf5033ee2fecc9d4b6330daf27ce9590d2ce
[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" "b9c8020f6ce4be863c2478529e1ebf5033ee2fecc9d4b6330daf27ce9590d2ce", kill_on_drop: false }`
[INFO] [stderr]     Checking unicode-xid v0.1.0
[INFO] [stderr]    Compiling syn v0.15.44
[INFO] [stderr]     Checking proc-macro2 v0.4.30
[INFO] [stderr]     Checking quote v0.6.13
[INFO] [stderr]  Documenting commander-macros v1.2.0 (/opt/rustwide/workdir)
[INFO] [stdout] warning: `[OptionalSingle]` cannot be resolved, ignoring it.
[INFO] [stdout]   --> src/lib.rs:70:123
[INFO] [stdout]    |
[INFO] [stdout] 70 | ...y four types of arguments: <RequiredSingle>,[OptionalSingle],<RequiredMultiple>,[OptionalMultiple]
[INFO] [stdout]    |                                                 ^^^^^^^^^^^^^^ cannot be resolved, ignoring
[INFO] [stdout]    |
[INFO] [stdout]    = note: `#[warn(intra_doc_link_resolution_failure)]` on by default
[INFO] [stdout]    = help: to escape `[` and `]` characters, just add '\' before them like `\[` or `\]`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: `[OptionalMultiple]` cannot be resolved, ignoring it.
[INFO] [stdout]   --> src/lib.rs:70:159
[INFO] [stdout]    |
[INFO] [stdout] 70 | ...ingle>,[OptionalSingle],<RequiredMultiple>,[OptionalMultiple]
[INFO] [stdout]    |                                                ^^^^^^^^^^^^^^^^ cannot be resolved, ignoring
[INFO] [stdout]    |
[INFO] [stdout]    = help: to escape `[` and `]` characters, just add '\' before them like `\[` or `\]`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: `[OptionalSingle]` cannot be resolved, ignoring it.
[INFO] [stdout]    --> src/lib.rs:154:94
[INFO] [stdout]     |
[INFO] [stdout] 154 | ...y four types of arguments: <RequiredSingle>,[OptionalSingle],<RequiredMultiple>,[OptionalMultiple]
[INFO] [stdout]     |                                                 ^^^^^^^^^^^^^^ cannot be resolved, ignoring
[INFO] [stdout]     |
[INFO] [stdout]     = help: to escape `[` and `]` characters, just add '\' before them like `\[` or `\]`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: `[OptionalMultiple]` cannot be resolved, ignoring it.
[INFO] [stdout]    --> src/lib.rs:154:130
[INFO] [stdout]     |
[INFO] [stdout] 154 | ...ingle>,[OptionalSingle],<RequiredMultiple>,[OptionalMultiple]
[INFO] [stdout]     |                                                ^^^^^^^^^^^^^^^^ cannot be resolved, ignoring
[INFO] [stdout]     |
[INFO] [stdout]     = help: to escape `[` and `]` characters, just add '\' before them like `\[` or `\]`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: 4 warnings emitted
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 10.13s
[INFO] running `Command { std: "docker" "inspect" "b9c8020f6ce4be863c2478529e1ebf5033ee2fecc9d4b6330daf27ce9590d2ce", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "b9c8020f6ce4be863c2478529e1ebf5033ee2fecc9d4b6330daf27ce9590d2ce", kill_on_drop: false }`
[INFO] [stdout] b9c8020f6ce4be863c2478529e1ebf5033ee2fecc9d4b6330daf27ce9590d2ce