[INFO] cloning repository https://github.com/CandySunPlus/rust-async-study-kit
[INFO] running `Command { std: "git" "-c" "credential.helper=" "-c" "credential.helper=/workspace/cargo-home/bin/git-credential-null" "clone" "--bare" "https://github.com/CandySunPlus/rust-async-study-kit" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2FCandySunPlus%2Frust-async-study-kit", kill_on_drop: false }`
[INFO] [stderr] Cloning into bare repository '/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2FCandySunPlus%2Frust-async-study-kit'...
[INFO] running `Command { std: "git" "rev-parse" "HEAD", kill_on_drop: false }`
[INFO] [stdout] fc80dce9dfcfa30ed80bf54d5685731e7e5bf29f
[INFO] documenting CandySunPlus/rust-async-study-kit against 1.75.0 for beta-1.76-rustdoc-1
[INFO] running `Command { std: "git" "clone" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2FCandySunPlus%2Frust-async-study-kit" "/workspace/builds/worker-2-tc1/source", kill_on_drop: false }`
[INFO] [stderr] Cloning into '/workspace/builds/worker-2-tc1/source'...
[INFO] [stderr] done.
[INFO] validating manifest of git repo https://github.com/CandySunPlus/rust-async-study-kit on toolchain 1.75.0
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+1.75.0" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }`
[INFO] started tweaking git repo https://github.com/CandySunPlus/rust-async-study-kit
[INFO] finished tweaking git repo https://github.com/CandySunPlus/rust-async-study-kit
[INFO] tweaked toml for git repo https://github.com/CandySunPlus/rust-async-study-kit written to /workspace/builds/worker-2-tc1/source/Cargo.toml
[INFO] crate git repo https://github.com/CandySunPlus/rust-async-study-kit 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" "+1.75.0" "fetch" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] [stderr] warning: virtual workspace defaulting to `resolver = "1"` despite one or more workspace members being on edition 2021 which implies `resolver = "2"`
[INFO] [stderr] note: to keep the current resolver, specify `workspace.resolver = "1"` in the workspace root's manifest
[INFO] [stderr] note: to use the edition 2021 resolver, specify `workspace.resolver = "2"` in the workspace root's manifest
[INFO] [stderr] note: for more details see https://doc.rust-lang.org/cargo/reference/resolver.html#resolver-versions
[INFO] [stderr]     Updating crates.io index
[INFO] [stderr]  Downloading crates ...
[INFO] [stderr]   Downloaded woke v0.0.4
[INFO] [stderr]   Downloaded socket2 v0.5.1
[INFO] [stderr]   Downloaded executor v0.8.4
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-2-tc1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-2-tc1/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@sha256:2788e3201cd34a07e3172128adcd8b3090168a8e3bcc40d7c032b9dda1df7d1c" "/opt/rustwide/cargo-home/bin/cargo" "+1.75.0" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] 3e0843ee3dca8f2b2656b7e4f0a65a0ae98fdd8fba3ea00e5331ca09b12ddc8b
[INFO] running `Command { std: "docker" "start" "-a" "3e0843ee3dca8f2b2656b7e4f0a65a0ae98fdd8fba3ea00e5331ca09b12ddc8b", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "3e0843ee3dca8f2b2656b7e4f0a65a0ae98fdd8fba3ea00e5331ca09b12ddc8b", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "3e0843ee3dca8f2b2656b7e4f0a65a0ae98fdd8fba3ea00e5331ca09b12ddc8b", kill_on_drop: false }`
[INFO] [stdout] 3e0843ee3dca8f2b2656b7e4f0a65a0ae98fdd8fba3ea00e5331ca09b12ddc8b
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-2-tc1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-2-tc1/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=warn" "-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@sha256:2788e3201cd34a07e3172128adcd8b3090168a8e3bcc40d7c032b9dda1df7d1c" "/opt/rustwide/cargo-home/bin/cargo" "+1.75.0" "doc" "--frozen" "--no-deps" "--document-private-items" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] 10ab233cf6048a856afa25c855d02e8908513b4e39a67069d14f6f9f684c64c2
[INFO] running `Command { std: "docker" "start" "-a" "10ab233cf6048a856afa25c855d02e8908513b4e39a67069d14f6f9f684c64c2", kill_on_drop: false }`
[INFO] [stderr] warning: virtual workspace defaulting to `resolver = "1"` despite one or more workspace members being on edition 2021 which implies `resolver = "2"`
[INFO] [stderr] note: to keep the current resolver, specify `workspace.resolver = "1"` in the workspace root's manifest
[INFO] [stderr] note: to use the edition 2021 resolver, specify `workspace.resolver = "2"` in the workspace root's manifest
[INFO] [stderr] note: for more details see https://doc.rust-lang.org/cargo/reference/resolver.html#resolver-versions
[INFO] [stderr]    Compiling futures-core v0.3.27
[INFO] [stderr]    Compiling crossbeam-utils v0.8.15
[INFO] [stderr]    Compiling proc-macro2 v1.0.52
[INFO] [stderr]     Checking futures-io v0.3.27
[INFO] [stderr]    Compiling libc v0.2.140
[INFO] [stderr]    Compiling slab v0.4.8
[INFO] [stderr]    Compiling futures-channel v0.3.27
[INFO] [stderr]    Compiling futures-task v0.3.27
[INFO] [stderr]    Compiling futures-util v0.3.27
[INFO] [stderr]     Checking futures-sink v0.3.27
[INFO] [stderr]     Checking waker-fn v1.1.0
[INFO] [stderr]     Checking event-listener v2.5.3
[INFO] [stderr]    Compiling lock_api v0.4.9
[INFO] [stderr]    Compiling polling v2.6.0
[INFO] [stderr]     Checking parking v2.0.0
[INFO] [stderr]     Checking fastrand v1.9.0
[INFO] [stderr]     Checking async-lock v2.7.0
[INFO] [stderr]    Compiling memoffset v0.7.1
[INFO] [stderr]     Checking futures-lite v1.12.0
[INFO] [stderr]     Checking concurrent-queue v2.1.0
[INFO] [stderr]    Compiling crossbeam-queue v0.3.8
[INFO] [stderr]     Checking crossbeam-epoch v0.9.14
[INFO] [stderr]     Checking async-channel v1.8.0
[INFO] [stderr]    Compiling quote v1.0.26
[INFO] [stderr]    Compiling async-io v1.12.0
[INFO] [stderr]    Compiling async-fs v1.6.0
[INFO] [stderr]     Checking async-task v4.3.0
[INFO] [stderr]     Checking atomic-waker v1.1.0
[INFO] [stderr]    Compiling syn v1.0.109
[INFO] [stderr]     Checking crossbeam-deque v0.8.3
[INFO] [stderr]     Checking spin v0.9.6
[INFO] [stderr]     Checking crossbeam-channel v0.5.7
[INFO] [stderr]     Checking static_assertions v1.1.0
[INFO] [stderr]     Checking woke v0.0.4
[INFO] [stderr]     Checking scoped-tls v1.0.1
[INFO] [stderr]     Checking executor v0.8.4
[INFO] [stderr]     Checking blocking v1.3.0
[INFO] [stderr]     Checking crossbeam v0.8.2
[INFO] [stderr]     Checking socket2 v0.4.9
[INFO] [stderr]     Checking nix v0.26.2
[INFO] [stderr]     Checking num_cpus v1.15.0
[INFO] [stderr]     Checking socket2 v0.5.1
[INFO] [stderr]    Compiling futures-macro v0.3.27
[INFO] [stderr]     Checking futures-executor v0.3.27
[INFO] [stderr]     Checking futures v0.3.27
[INFO] [stderr]  Documenting simple-executor v0.1.0 (/opt/rustwide/workdir/simple-executor)
[INFO] [stderr]  Documenting slow-read v0.1.0 (/opt/rustwide/workdir/slow-read)
[INFO] [stderr]  Documenting simple-runtime v0.1.0 (/opt/rustwide/workdir/simple-runtime)
[INFO] [stderr]  Documenting custom-async v0.1.0 (/opt/rustwide/workdir/custom-async)
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 5.79s
[INFO] [stderr]    Generated /opt/rustwide/target/doc/custom_async/index.html
[INFO] [stderr]    Generated /opt/rustwide/target/doc/simple_executor/index.html
[INFO] [stderr]    Generated /opt/rustwide/target/doc/simple_runtime/index.html
[INFO] [stderr]    Generated /opt/rustwide/target/doc/slow_read/index.html
[INFO] running `Command { std: "docker" "inspect" "10ab233cf6048a856afa25c855d02e8908513b4e39a67069d14f6f9f684c64c2", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "10ab233cf6048a856afa25c855d02e8908513b4e39a67069d14f6f9f684c64c2", kill_on_drop: false }`
[INFO] [stdout] 10ab233cf6048a856afa25c855d02e8908513b4e39a67069d14f6f9f684c64c2
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-2-tc1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-2-tc1/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=warn" "-e" "RUSTDOCFLAGS=--cap-lints=warn" "-e" "DOCS_RS=1" "-e" "RUSTC_BOOTSTRAP=1" "-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@sha256:2788e3201cd34a07e3172128adcd8b3090168a8e3bcc40d7c032b9dda1df7d1c" "/opt/rustwide/cargo-home/bin/cargo" "+1.75.0" "rustdoc" "--lib" "-Zrustdoc-map" "-Z" "unstable-options" "--config" "build.rustdocflags=[\"-Z\", \"unstable-options\", \"--document-private-items\"]" "--frozen" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] 1069c32bad21ca6a6d3b0051b84d5ac0556d769a9ab70f7bb1891ab54f988cf5
[INFO] running `Command { std: "docker" "start" "-a" "1069c32bad21ca6a6d3b0051b84d5ac0556d769a9ab70f7bb1891ab54f988cf5", kill_on_drop: false }`
[INFO] [stderr] warning: virtual workspace defaulting to `resolver = "1"` despite one or more workspace members being on edition 2021 which implies `resolver = "2"`
[INFO] [stderr] note: to keep the current resolver, specify `workspace.resolver = "1"` in the workspace root's manifest
[INFO] [stderr] note: to use the edition 2021 resolver, specify `workspace.resolver = "2"` in the workspace root's manifest
[INFO] [stderr] note: for more details see https://doc.rust-lang.org/cargo/reference/resolver.html#resolver-versions
[INFO] [stderr] error: manifest path `/opt/rustwide/workdir/Cargo.toml` is a virtual manifest, but this command requires running against an actual package in this workspace
[INFO] running `Command { std: "docker" "inspect" "1069c32bad21ca6a6d3b0051b84d5ac0556d769a9ab70f7bb1891ab54f988cf5", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "1069c32bad21ca6a6d3b0051b84d5ac0556d769a9ab70f7bb1891ab54f988cf5", kill_on_drop: false }`
[INFO] [stdout] 1069c32bad21ca6a6d3b0051b84d5ac0556d769a9ab70f7bb1891ab54f988cf5
