[INFO] cloning repository https://github.com/berlinrs/tbd.rs
[INFO] running `Command { std: "git" "-c" "credential.helper=" "-c" "credential.helper=/workspace/cargo-home/bin/git-credential-null" "clone" "--bare" "https://github.com/berlinrs/tbd.rs" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fberlinrs%2Ftbd.rs", kill_on_drop: false }`
[INFO] [stderr] Cloning into bare repository '/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fberlinrs%2Ftbd.rs'...
[INFO] running `Command { std: "git" "rev-parse" "HEAD", kill_on_drop: false }`
[INFO] [stdout] 1c52e76122a2e21bf85639a5eea7909c75d76cd9
[INFO] documenting berlinrs/tbd.rs 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%2Fberlinrs%2Ftbd.rs" "/workspace/builds/worker-3/source", kill_on_drop: false }`
[INFO] [stderr] Cloning into '/workspace/builds/worker-3/source'...
[INFO] [stderr] done.
[INFO] validating manifest of git repo https://github.com/berlinrs/tbd.rs 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] removed /workspace/builds/worker-3/source/rust-toolchain
[INFO] started tweaking git repo https://github.com/berlinrs/tbd.rs
[INFO] finished tweaking git repo https://github.com/berlinrs/tbd.rs
[INFO] tweaked toml for git repo https://github.com/berlinrs/tbd.rs written to /workspace/builds/worker-3/source/Cargo.toml
[INFO] crate git repo https://github.com/berlinrs/tbd.rs 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 rusqlite v0.14.0
[INFO] [stderr]   Downloaded libsqlite3-sys v0.9.3
[INFO] [stderr]   Downloaded futures-sink-preview v0.3.0-alpha.9
[INFO] [stderr]   Downloaded futures-executor-preview v0.3.0-alpha.9
[INFO] [stderr]   Downloaded futures-io-preview v0.3.0-alpha.9
[INFO] [stderr]   Downloaded futures-preview v0.3.0-alpha.9
[INFO] [stderr]   Downloaded futures-channel-preview v0.3.0-alpha.9
[INFO] [stderr]   Downloaded futures-core-preview v0.3.0-alpha.9
[INFO] [stderr]   Downloaded futures-util-preview v0.3.0-alpha.9
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-3/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-3/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] c0eca73fc189f688ed4245c8625f4c43f31609a45fc2a9168cd36e4aa9e2a008
[INFO] running `Command { std: "docker" "start" "-a" "c0eca73fc189f688ed4245c8625f4c43f31609a45fc2a9168cd36e4aa9e2a008", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "c0eca73fc189f688ed4245c8625f4c43f31609a45fc2a9168cd36e4aa9e2a008", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "c0eca73fc189f688ed4245c8625f4c43f31609a45fc2a9168cd36e4aa9e2a008", kill_on_drop: false }`
[INFO] [stdout] c0eca73fc189f688ed4245c8625f4c43f31609a45fc2a9168cd36e4aa9e2a008
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-3/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-3/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] d27472ce2eb6a227fec8db0a9e7aecfa90dff34e320c59521d734510c9ade504
[INFO] running `Command { std: "docker" "start" "-a" "d27472ce2eb6a227fec8db0a9e7aecfa90dff34e320c59521d734510c9ade504", kill_on_drop: false }`
[INFO] [stderr]     Checking byteorder v1.2.6
[INFO] [stderr]     Checking tbd-model-wrappers v0.1.0 (/opt/rustwide/workdir/tbd-model-wrappers)
[INFO] [stderr]     Checking libc v0.2.43
[INFO] [stderr]     Checking either v1.5.0
[INFO] [stderr]     Checking tbd-fieldset v0.1.0 (/opt/rustwide/workdir/tbd-fieldset)
[INFO] [stderr]     Checking pin-utils v0.1.0-alpha.3
[INFO] [stderr]     Checking slab v0.4.1
[INFO] [stderr]     Checking linked-hash-map v0.4.2
[INFO] [stderr]  Documenting tbd-model-wrappers v0.1.0 (/opt/rustwide/workdir/tbd-model-wrappers)
[INFO] [stderr]  Documenting tbd-fieldset v0.1.0 (/opt/rustwide/workdir/tbd-fieldset)
[INFO] [stderr]    Compiling lazy_static v1.1.0
[INFO] [stderr]    Compiling libsqlite3-sys v0.9.3
[INFO] [stdout] warning: unnecessary parentheses around type
[INFO] [stdout]   --> tbd-fieldset/src/lib.rs:30:22
[INFO] [stdout]    |
[INFO] [stdout] 30 | impl<A> FieldSet for (A) where A: Field {
[INFO] [stdout]    |                      ^ ^
[INFO] [stdout]    |
[INFO] [stdout]    = note: `#[warn(unused_parens)]` on by default
[INFO] [stdout] help: remove these parentheses
[INFO] [stdout]    |
[INFO] [stdout] 30 - impl<A> FieldSet for (A) where A: Field {
[INFO] [stdout] 30 + impl<A> FieldSet for A where A: Field {
[INFO] [stdout]    | 
[INFO] [stdout] 
[INFO] [stdout] 
[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/pin-utils-0.1.0-alpha.3/src/lib.rs:3:12
[INFO] [stdout]   |
[INFO] [stdout] 3 | #![feature(pin)]
[INFO] [stdout]   |            ^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error: aborting due to previous error
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] For more information about this error, try `rustc --explain E0554`.
[INFO] [stdout] 
[INFO] [stderr] error: could not compile `pin-utils` due to 2 previous errors
[INFO] [stderr] warning: build failed, waiting for other jobs to finish...
[INFO] [stdout] warning: unnecessary parentheses around type
[INFO] [stdout]   --> tbd-fieldset/src/lib.rs:30:22
[INFO] [stdout]    |
[INFO] [stdout] 30 | impl<A> FieldSet for (A) where A: Field {
[INFO] [stdout]    |                      ^ ^
[INFO] [stdout]    |
[INFO] [stdout]    = note: `#[warn(unused_parens)]` on by default
[INFO] [stdout] help: remove these parentheses
[INFO] [stdout]    |
[INFO] [stdout] 30 - impl<A> FieldSet for (A) where A: Field {
[INFO] [stdout] 30 + impl<A> FieldSet for A where A: Field {
[INFO] [stdout]    | 
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: 1 warning emitted
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: 1 warning emitted
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] running `Command { std: "docker" "inspect" "d27472ce2eb6a227fec8db0a9e7aecfa90dff34e320c59521d734510c9ade504", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "d27472ce2eb6a227fec8db0a9e7aecfa90dff34e320c59521d734510c9ade504", kill_on_drop: false }`
[INFO] [stdout] d27472ce2eb6a227fec8db0a9e7aecfa90dff34e320c59521d734510c9ade504