[INFO] cloning repository https://github.com/kdy1/autobench
[INFO] running `Command { std: "git" "-c" "credential.helper=" "-c" "credential.helper=/workspace/cargo-home/bin/git-credential-null" "clone" "--bare" "https://github.com/kdy1/autobench" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fkdy1%2Fautobench", kill_on_drop: false }`
[INFO] [stderr] Cloning into bare repository '/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fkdy1%2Fautobench'...
[INFO] running `Command { std: "git" "rev-parse" "HEAD", kill_on_drop: false }`
[INFO] [stdout] ce265c9d80e2b09fdee440dd3aebbe298eef2817
[INFO] documenting kdy1/autobench against try#a394c9cd9ec93787f09a7ac445b14cc674a94549 for pr-151918
[INFO] running `Command { std: "git" "clone" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fkdy1%2Fautobench" "/workspace/builds/worker-7-tc2/source", kill_on_drop: false }`
[INFO] [stderr] Cloning into '/workspace/builds/worker-7-tc2/source'...
[INFO] [stderr] done.
[INFO] started tweaking git repo https://github.com/kdy1/autobench
[INFO] finished tweaking git repo https://github.com/kdy1/autobench
[INFO] tweaked toml for git repo https://github.com/kdy1/autobench written to /workspace/builds/worker-7-tc2/source/Cargo.toml
[INFO] validating manifest of git repo https://github.com/kdy1/autobench on toolchain a394c9cd9ec93787f09a7ac445b14cc674a94549
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+a394c9cd9ec93787f09a7ac445b14cc674a94549" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }`
[INFO] crate git repo https://github.com/kdy1/autobench already has a lockfile, it will not be regenerated
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+a394c9cd9ec93787f09a7ac445b14cc674a94549" "fetch" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] [stderr]     Blocking waiting for file lock on package cache
[INFO] [stderr]     Updating crates.io index
[INFO] [stderr]     Blocking waiting for file lock on package cache
[ERROR] error running command: no output for 300 seconds
[INFO] documenting kdy1/autobench against try#a394c9cd9ec93787f09a7ac445b14cc674a94549 for pr-151918
[INFO] running `Command { std: "git" "clone" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fkdy1%2Fautobench" "/workspace/builds/worker-7-tc2/source", kill_on_drop: false }`
[INFO] [stderr] Cloning into '/workspace/builds/worker-7-tc2/source'...
[INFO] [stderr] done.
[INFO] started tweaking git repo https://github.com/kdy1/autobench
[INFO] finished tweaking git repo https://github.com/kdy1/autobench
[INFO] tweaked toml for git repo https://github.com/kdy1/autobench written to /workspace/builds/worker-7-tc2/source/Cargo.toml
[INFO] validating manifest of git repo https://github.com/kdy1/autobench on toolchain a394c9cd9ec93787f09a7ac445b14cc674a94549
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+a394c9cd9ec93787f09a7ac445b14cc674a94549" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }`
[INFO] crate git repo https://github.com/kdy1/autobench already has a lockfile, it will not be regenerated
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+a394c9cd9ec93787f09a7ac445b14cc674a94549" "fetch" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] [stderr]     Blocking waiting for file lock on package cache
[INFO] [stderr]     Blocking waiting for file lock on package cache
[INFO] [stderr]  Downloading crates ...
[INFO] [stderr]   Downloaded vecmap-rs v0.1.12
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-7-tc2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-7-tc2/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@sha256:29356a839a4d14451438f794ce8414e707d72405f44418718d724d22562fe786" "/opt/rustwide/cargo-home/bin/cargo" "+a394c9cd9ec93787f09a7ac445b14cc674a94549" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] b790d42c39c97ec3b70fb7c08fad92722d03732ac59bd34f6f47daba6b14cbee
[INFO] running `Command { std: "docker" "start" "-a" "b790d42c39c97ec3b70fb7c08fad92722d03732ac59bd34f6f47daba6b14cbee", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "b790d42c39c97ec3b70fb7c08fad92722d03732ac59bd34f6f47daba6b14cbee", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "b790d42c39c97ec3b70fb7c08fad92722d03732ac59bd34f6f47daba6b14cbee", kill_on_drop: false }`
[INFO] [stdout] b790d42c39c97ec3b70fb7c08fad92722d03732ac59bd34f6f47daba6b14cbee
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-7-tc2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-7-tc2/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=forbid" "-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" "--user" "0:0" "--network" "none" "ghcr.io/rust-lang/crates-build-env/linux@sha256:29356a839a4d14451438f794ce8414e707d72405f44418718d724d22562fe786" "/opt/rustwide/cargo-home/bin/cargo" "+a394c9cd9ec93787f09a7ac445b14cc674a94549" "doc" "--frozen" "--no-deps" "--document-private-items" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] 894ea99624de7a9d5db9ed0aadfa036706527bd52e5a200bd150212f4622e1ef
[INFO] running `Command { std: "docker" "start" "-a" "894ea99624de7a9d5db9ed0aadfa036706527bd52e5a200bd150212f4622e1ef", kill_on_drop: false }`
[INFO] [stderr]    Compiling serde v1.0.193
[INFO] [stderr]    Compiling syn v2.0.39
[INFO] [stderr]    Compiling serde_derive v1.0.193
[INFO] [stderr]     Checking smallvec v1.11.2
[INFO] [stderr]  Documenting autobench v0.1.0 (/opt/rustwide/workdir)
[INFO] [stdout] error[E0425]: cannot find type `RawOccupiedEntryMut` in module `std::collections::hash_map`
[INFO] [stdout]    --> src/map.rs:610:44
[INFO] [stdout]     |
[INFO] [stdout] 610 |         entry: std::collections::hash_map::RawOccupiedEntryMut<'a, K, V, H>,
[INFO] [stdout]     |                                            ^^^^^^^^^^^^^^^^^^^
[INFO] [stdout]     |
[INFO] [stdout]    --> /rustc/a394c9cd9ec93787f09a7ac445b14cc674a94549/library/std/src/collections/hash/map.rs:1937:0
[INFO] [stdout]    ::: /rustc/a394c9cd9ec93787f09a7ac445b14cc674a94549/library/std/src/collections/hash/map.rs:1942:1
[INFO] [stdout]     |
[INFO] [stdout]     = note: similarly named struct `OccupiedEntry` defined here
[INFO] [stdout] help: a struct with a similar name exists
[INFO] [stdout]     |
[INFO] [stdout] 610 -         entry: std::collections::hash_map::RawOccupiedEntryMut<'a, K, V, H>,
[INFO] [stdout] 610 +         entry: std::collections::hash_map::OccupiedEntry<'a, K, V, H>,
[INFO] [stdout]     |
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error[E0425]: cannot find type `RawVacantEntryMut` in module `std::collections::hash_map`
[INFO] [stdout]    --> src/map.rs:656:37
[INFO] [stdout]     |
[INFO] [stdout] 656 |     Map(std::collections::hash_map::RawVacantEntryMut<'a, K, V, H>),
[INFO] [stdout]     |                                     ^^^^^^^^^^^^^^^^^ not found in `std::collections::hash_map`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] For more information about this error, try `rustc --explain E0425`.
[INFO] [stdout] 
[INFO] [stderr] error: could not document `autobench`
[INFO] running `Command { std: "docker" "inspect" "894ea99624de7a9d5db9ed0aadfa036706527bd52e5a200bd150212f4622e1ef", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "894ea99624de7a9d5db9ed0aadfa036706527bd52e5a200bd150212f4622e1ef", kill_on_drop: false }`
[INFO] [stdout] 894ea99624de7a9d5db9ed0aadfa036706527bd52e5a200bd150212f4622e1ef