[INFO] fetching crate dochy_archiver 0.8.0...
[INFO] documenting dochy_archiver-0.8.0 against 1.61.0 for beta-1.62-rustdoc-1
[INFO] extracting crate dochy_archiver 0.8.0 into /workspace/builds/worker-101/source
[INFO] validating manifest of crates.io crate dochy_archiver 0.8.0 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 crates.io crate dochy_archiver 0.8.0
[INFO] finished tweaking crates.io crate dochy_archiver 0.8.0
[INFO] tweaked toml for crates.io crate dochy_archiver 0.8.0 written to /workspace/builds/worker-101/source/Cargo.toml
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+1.61.0" "generate-lockfile" "--manifest-path" "Cargo.toml" "-Zno-index-update", kill_on_drop: false }`
[INFO] [stderr]     Blocking waiting for file lock on package cache
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+1.61.0" "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 with_capacity_safe v0.3.0
[INFO] [stderr]   Downloaded dochy_compaction v0.8.0
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-101/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-101/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] [stdout] 34087029a6751e9ec33a6cb6e5aa6542cf1e07a0f4ef34f2e68e2f28a4f8d0c7
[INFO] running `Command { std: "docker" "start" "-a" "34087029a6751e9ec33a6cb6e5aa6542cf1e07a0f4ef34f2e68e2f28a4f8d0c7", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "34087029a6751e9ec33a6cb6e5aa6542cf1e07a0f4ef34f2e68e2f28a4f8d0c7", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "34087029a6751e9ec33a6cb6e5aa6542cf1e07a0f4ef34f2e68e2f28a4f8d0c7", kill_on_drop: false }`
[INFO] [stdout] 34087029a6751e9ec33a6cb6e5aa6542cf1e07a0f4ef34f2e68e2f28a4f8d0c7
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-101/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-101/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] [stdout] ad866209ca4ce05722f9bda9606eaf77725749b12758f93a2c6edeb2ede66637
[INFO] running `Command { std: "docker" "start" "-a" "ad866209ca4ce05722f9bda9606eaf77725749b12758f93a2c6edeb2ede66637", kill_on_drop: false }`
[INFO] [stderr]    Compiling memchr v2.5.0
[INFO] [stderr]    Compiling anyhow v1.0.57
[INFO] [stderr]     Checking regex-syntax v0.6.26
[INFO] [stderr]    Compiling snap v1.0.5
[INFO] [stderr]     Checking with_capacity_safe v0.3.0
[INFO] [stderr]     Checking arrayvec v0.5.2
[INFO] [stderr]     Checking bit-vec v0.6.3
[INFO] [stderr]     Checking lazy_static v1.4.0
[INFO] [stderr]     Checking metrohash v1.0.6
[INFO] [stdout] error[E0554]: `#![feature]` may not be used on the stable release channel
[INFO] [stdout]  --> /opt/rustwide/cargo-home/registry/src/github.com-1ecc6299db9ec823/with_capacity_safe-0.3.0/src/lib.rs:1:12
[INFO] [stdout]   |
[INFO] [stdout] 1 | #![feature(try_reserve)]
[INFO] [stdout]   |            ^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error[E0223]: ambiguous associated type
[INFO] [stdout]   --> /opt/rustwide/cargo-home/registry/src/github.com-1ecc6299db9ec823/with_capacity_safe-0.3.0/src/lib.rs:58:17
[INFO] [stdout]    |
[INFO] [stdout] 58 |                 TryReserveError::AllocError { .. } => {
[INFO] [stdout]    |                 ^^^^^^^^^^^^^^^^^^^^^^^^^^^ help: use fully-qualified syntax: `<TryReserveError as Trait>::AllocError`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr] error: could not compile `with_capacity_safe` due to 4 previous errors
[INFO] [stdout] error[E0599]: no associated item named `CapacityOverflow` found for struct `TryReserveError` in the current scope
[INFO] [stdout]   --> /opt/rustwide/cargo-home/registry/src/github.com-1ecc6299db9ec823/with_capacity_safe-0.3.0/src/lib.rs:61:34
[INFO] [stdout]    |
[INFO] [stdout] 61 |                 TryReserveError::CapacityOverflow => {
[INFO] [stdout]    |                                  ^^^^^^^^^^^^^^^^ associated item not found in `TryReserveError`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr] warning: build failed, waiting for other jobs to finish...
[INFO] [stdout] error: aborting due to 3 previous errors
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] Some errors have detailed explanations: E0223, E0554, E0599.
[INFO] [stdout] 
[INFO] [stdout] For more information about an error, try `rustc --explain E0223`.
[INFO] [stdout] 
[INFO] running `Command { std: "docker" "inspect" "ad866209ca4ce05722f9bda9606eaf77725749b12758f93a2c6edeb2ede66637", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "ad866209ca4ce05722f9bda9606eaf77725749b12758f93a2c6edeb2ede66637", kill_on_drop: false }`
[INFO] [stdout] ad866209ca4ce05722f9bda9606eaf77725749b12758f93a2c6edeb2ede66637