[INFO] updating cached repository https://github.com/bungeerope/rust
[INFO] running `Command { std: "git" "-c" "credential.helper=" "-c" "credential.helper=/workspace/cargo-home/bin/git-credential-null" "-c" "remote.origin.fetch=refs/heads/*:refs/heads/*" "fetch" "origin" "--force" "--prune", kill_on_drop: false }`
[INFO] running `Command { std: "git" "rev-parse" "HEAD", kill_on_drop: false }`
[INFO] [stdout] 99ba9550ec1c9998d683c7b8f1f94b8d50c77f13
[INFO] documenting bungeerope/rust/99ba9550ec1c9998d683c7b8f1f94b8d50c77f13 against beta-2022-05-20 for beta-1.62-rustdoc-1
[INFO] running `Command { std: "git" "clone" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fbungeerope%2Frust" "/workspace/builds/worker-10/source", kill_on_drop: false }`
[INFO] [stderr] Cloning into '/workspace/builds/worker-10/source'...
[INFO] [stderr] done.
[INFO] validating manifest of git repo https://github.com/bungeerope/rust on toolchain beta-2022-05-20
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+beta-2022-05-20" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }`
[INFO] started tweaking git repo https://github.com/bungeerope/rust
[INFO] finished tweaking git repo https://github.com/bungeerope/rust
[INFO] tweaked toml for git repo https://github.com/bungeerope/rust written to /workspace/builds/worker-10/source/Cargo.toml
[INFO] crate git repo https://github.com/bungeerope/rust already has a lockfile, it will not be regenerated
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+beta-2022-05-20" "fetch" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-10/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-10/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" "+beta-2022-05-20" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] 4a8deb5d236851cab4ab7b24952cc20b879dd9b10b10171fc19b652a6202a62d
[INFO] running `Command { std: "docker" "start" "-a" "4a8deb5d236851cab4ab7b24952cc20b879dd9b10b10171fc19b652a6202a62d", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "4a8deb5d236851cab4ab7b24952cc20b879dd9b10b10171fc19b652a6202a62d", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "4a8deb5d236851cab4ab7b24952cc20b879dd9b10b10171fc19b652a6202a62d", kill_on_drop: false }`
[INFO] [stdout] 4a8deb5d236851cab4ab7b24952cc20b879dd9b10b10171fc19b652a6202a62d
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-10/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-10/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" "+beta-2022-05-20" "doc" "--frozen" "--no-deps" "--document-private-items" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] 5357c4f34139f03d884a2cae90dd0b9d720cb20bbb63c1bc1dd31bd6ea0d6d1e
[INFO] running `Command { std: "docker" "start" "-a" "5357c4f34139f03d884a2cae90dd0b9d720cb20bbb63c1bc1dd31bd6ea0d6d1e", kill_on_drop: false }`
[INFO] [stderr]     Blocking waiting for file lock on package cache
[INFO] [stderr]    Compiling libc v0.2.108
[INFO] [stderr]     Checking cfg-if v1.0.0
[INFO] [stderr]    Compiling proc-macro2 v1.0.32
[INFO] [stderr]    Compiling unicode-xid v0.2.2
[INFO] [stderr]    Compiling parking_lot_core v0.8.5
[INFO] [stderr]    Compiling log v0.4.14
[INFO] [stderr]    Compiling syn v1.0.82
[INFO] [stderr]     Checking smallvec v1.7.0
[INFO] [stderr]    Compiling memchr v2.4.1
[INFO] [stderr]    Compiling autocfg v1.0.1
[INFO] [stderr]     Checking scopeguard v1.1.0
[INFO] [stderr]     Checking once_cell v1.8.0
[INFO] [stderr]     Checking pin-project-lite v0.2.7
[INFO] [stderr]     Checking bytes v1.1.0
[INFO] [stderr]     Checking ownership v0.1.0 (/opt/rustwide/workdir/crates/ownership)
[INFO] [stderr]     Checking guessing v0.1.0 (/opt/rustwide/workdir/crates/guessing)
[INFO] [stderr]  Documenting ownership v0.1.0 (/opt/rustwide/workdir/crates/ownership)
[INFO] [stderr]  Documenting guessing v0.1.0 (/opt/rustwide/workdir/crates/guessing)
[INFO] [stdout] warning: enum is never used: `List`
[INFO] [stdout]  --> crates/guessing/src/_4_enum/linklist.rs:3:6
[INFO] [stdout]   |
[INFO] [stdout] 3 | enum List {
[INFO] [stdout]   |      ^^^^
[INFO] [stdout]   |
[INFO] [stdout]   = note: `#[warn(dead_code)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: associated function is never used: `new`
[INFO] [stdout]  --> crates/guessing/src/_4_enum/linklist.rs:9:8
[INFO] [stdout]   |
[INFO] [stdout] 9 |     fn new() -> List {
[INFO] [stdout]   |        ^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: associated function is never used: `prepend`
[INFO] [stdout]   --> crates/guessing/src/_4_enum/linklist.rs:13:8
[INFO] [stdout]    |
[INFO] [stdout] 13 |     fn prepend(self, element: u32) -> List {
[INFO] [stdout]    |        ^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: associated function is never used: `len`
[INFO] [stdout]   --> crates/guessing/src/_4_enum/linklist.rs:17:8
[INFO] [stdout]    |
[INFO] [stdout] 17 |     fn len(&self) -> u32 {
[INFO] [stdout]    |        ^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: associated function is never used: `stringify`
[INFO] [stdout]   --> crates/guessing/src/_4_enum/linklist.rs:24:8
[INFO] [stdout]    |
[INFO] [stdout] 24 |     fn stringify(&self) -> String {
[INFO] [stdout]    |        ^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: field is never read: `name`
[INFO] [stdout]  --> crates/guessing/src/_3_struct/mod.rs:3:5
[INFO] [stdout]   |
[INFO] [stdout] 3 |     name: &'a str,
[INFO] [stdout]   |     ^^^^^^^^^^^^^
[INFO] [stdout]   |
[INFO] [stdout] note: `Person` has a derived impl for the trait `Debug`, but this is intentionally ignored during dead code analysis
[INFO] [stdout]  --> crates/guessing/src/_3_struct/mod.rs:1:10
[INFO] [stdout]   |
[INFO] [stdout] 1 | #[derive(Debug)]
[INFO] [stdout]   |          ^^^^^
[INFO] [stdout]   = note: this warning originates in the derive macro `Debug` (in Nightly builds, run with -Z macro-backtrace for more info)
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: field is never read: `age`
[INFO] [stdout]  --> crates/guessing/src/_3_struct/mod.rs:4:5
[INFO] [stdout]   |
[INFO] [stdout] 4 |     age: u8,
[INFO] [stdout]   |     ^^^^^^^
[INFO] [stdout]   |
[INFO] [stdout] note: `Person` has a derived impl for the trait `Debug`, but this is intentionally ignored during dead code analysis
[INFO] [stdout]  --> crates/guessing/src/_3_struct/mod.rs:1:10
[INFO] [stdout]   |
[INFO] [stdout] 1 | #[derive(Debug)]
[INFO] [stdout]   |          ^^^^^
[INFO] [stdout]   = note: this warning originates in the derive macro `Debug` (in Nightly builds, run with -Z macro-backtrace for more info)
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: 7 warnings emitted
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr]     Checking instant v0.1.12
[INFO] [stderr]  Documenting main v0.1.0 (/opt/rustwide/workdir/crates/main)
[INFO] [stderr]     Checking lock_api v0.4.5
[INFO] [stderr]    Compiling tokio v1.14.0
[INFO] [stderr]    Compiling quote v1.0.10
[INFO] [stderr]     Checking num_cpus v1.13.0
[INFO] [stderr]     Checking signal-hook-registry v1.4.0
[INFO] [stderr]     Checking mio v0.7.14
[INFO] [stderr]     Checking parking_lot v0.11.2
[INFO] [stderr]    Compiling tokio-macros v1.6.0
[INFO] [stderr]  Documenting tokio_test v0.1.0 (/opt/rustwide/workdir/crates/tokio_test)
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 1m 26s
[ERROR] error running command: no output for 300 seconds
[INFO] running `Command { std: "docker" "inspect" "5357c4f34139f03d884a2cae90dd0b9d720cb20bbb63c1bc1dd31bd6ea0d6d1e", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "5357c4f34139f03d884a2cae90dd0b9d720cb20bbb63c1bc1dd31bd6ea0d6d1e", kill_on_drop: false }`
[INFO] [stderr] Error response from daemon: Could not kill running container 5357c4f34139f03d884a2cae90dd0b9d720cb20bbb63c1bc1dd31bd6ea0d6d1e, cannot remove - tried to kill container, but did not receive an exit event
[ERROR] failed to delete container 5357c4f34139f03d884a2cae90dd0b9d720cb20bbb63c1bc1dd31bd6ea0d6d1e
[ERROR] caused by: command failed: exit status: 1