[INFO] cloning repository https://github.com/Yougigun/learning_tokio
[INFO] running `Command { std: "git" "-c" "credential.helper=" "-c" "credential.helper=/workspace/cargo-home/bin/git-credential-null" "clone" "--bare" "https://github.com/Yougigun/learning_tokio" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2FYougigun%2Flearning_tokio", kill_on_drop: false }`
[INFO] [stderr] Cloning into bare repository '/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2FYougigun%2Flearning_tokio'...
[INFO] running `Command { std: "git" "rev-parse" "HEAD", kill_on_drop: false }`
[INFO] [stdout] f16863b510097081efdcb39d039a27acf000bd01
[INFO] documenting Yougigun/learning_tokio 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%2FYougigun%2Flearning_tokio" "/workspace/builds/worker-1-tc1/source", kill_on_drop: false }`
[INFO] [stderr] Cloning into '/workspace/builds/worker-1-tc1/source'...
[INFO] [stderr] done.
[INFO] validating manifest of git repo https://github.com/Yougigun/learning_tokio 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/Yougigun/learning_tokio
[INFO] finished tweaking git repo https://github.com/Yougigun/learning_tokio
[INFO] tweaked toml for git repo https://github.com/Yougigun/learning_tokio written to /workspace/builds/worker-1-tc1/source/Cargo.toml
[INFO] crate git repo https://github.com/Yougigun/learning_tokio 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 mini-redis v0.4.1
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-1-tc1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-1-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] 5976abe4d78b85137b3fc76658e79932325e8bf41b2aa1f5b7ff3a608cb013dc
[INFO] running `Command { std: "docker" "start" "-a" "5976abe4d78b85137b3fc76658e79932325e8bf41b2aa1f5b7ff3a608cb013dc", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "5976abe4d78b85137b3fc76658e79932325e8bf41b2aa1f5b7ff3a608cb013dc", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "5976abe4d78b85137b3fc76658e79932325e8bf41b2aa1f5b7ff3a608cb013dc", kill_on_drop: false }`
[INFO] [stdout] 5976abe4d78b85137b3fc76658e79932325e8bf41b2aa1f5b7ff3a608cb013dc
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-1-tc1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-1-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] 6b70900dc70aa6946f348e5b5c1250a2bf337b04399764317aee8d15b882fedf
[INFO] running `Command { std: "docker" "start" "-a" "6b70900dc70aa6946f348e5b5c1250a2bf337b04399764317aee8d15b882fedf", 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 proc-macro2 v1.0.60
[INFO] [stderr]    Compiling quote v1.0.28
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[INFO] [stderr]    Compiling libc v0.2.146
[INFO] [stderr]     Checking pin-project-lite v0.2.9
[INFO] [stderr]    Compiling lock_api v0.4.10
[INFO] [stderr]    Compiling parking_lot_core v0.9.8
[INFO] [stderr]    Compiling futures-core v0.3.28
[INFO] [stderr]     Checking smallvec v1.10.0
[INFO] [stderr]     Checking bytes v1.4.0
[INFO] [stderr]    Compiling tokio v1.28.2
[INFO] [stderr]     Checking tracing-core v0.1.31
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[INFO] [stderr]    Compiling syn v2.0.18
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[INFO] [stderr]    Compiling serde_json v1.0.99
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[INFO] [stderr]    Compiling futures-task v0.3.28
[INFO] [stderr]     Checking iana-time-zone v0.1.57
[INFO] [stderr]     Checking futures-sink v0.3.28
[INFO] [stderr]     Checking regex v1.9.1
[INFO] [stderr]     Checking chrono v0.4.26
[INFO] [stderr]     Checking clap v2.34.0
[INFO] [stderr]     Checking tracing-serde v0.1.3
[INFO] [stderr]    Compiling openssl-sys v0.9.90
[INFO] [stderr]     Checking matchers v0.0.1
[INFO] [stderr]     Checking tracing-log v0.1.3
[INFO] [stderr]     Checking sharded-slab v0.1.4
[INFO] [stderr]    Compiling futures-util v0.3.28
[INFO] [stderr]     Checking atoi v0.3.3
[INFO] [stderr]     Checking futures-io v0.3.28
[INFO] [stderr]    Compiling indexmap v1.9.3
[INFO] [stderr]    Compiling openssl v0.10.55
[INFO] [stderr]     Checking http v0.2.9
[INFO] [stderr]     Checking tinyvec_macros v0.1.1
[INFO] [stderr]    Compiling httparse v1.8.0
[INFO] [stderr]    Compiling native-tls v0.2.11
[INFO] [stderr]     Checking hashbrown v0.12.3
[INFO] [stderr]     Checking tinyvec v1.6.0
[INFO] [stderr]     Checking percent-encoding v2.3.0
[INFO] [stderr]     Checking try-lock v0.2.4
[INFO] [stderr]     Checking want v0.3.1
[INFO] [stderr]     Checking form_urlencoded v1.2.0
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[INFO] [stderr]     Checking getrandom v0.2.10
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[INFO] [stderr]     Checking rand_core v0.6.4
[INFO] [stderr]     Checking serde_urlencoded v0.7.1
[INFO] [stderr]     Checking encoding_rs v0.8.32
[INFO] [stderr]     Checking ipnet v2.7.2
[INFO] [stderr]     Checking base64 v0.21.2
[INFO] [stderr]     Checking unicode-normalization v0.1.22
[INFO] [stderr]     Checking rand_chacha v0.3.1
[INFO] [stderr]     Checking mime v0.3.17
[INFO] [stderr]  Documenting learning_pin v0.1.0 (/opt/rustwide/workdir/learning_pin)
[INFO] [stderr]     Checking rand v0.8.5
[INFO] [stderr]    Compiling structopt-derive v0.4.18
[INFO] [stderr]     Checking idna v0.4.0
[INFO] [stderr]     Checking url v2.4.0
[INFO] [stderr]    Compiling tokio-macros v2.1.0
[INFO] [stderr]    Compiling tracing-attributes v0.1.26
[INFO] [stderr]    Compiling pin-project-internal v1.1.0
[INFO] [stderr]    Compiling async-stream-impl v0.3.5
[INFO] [stderr]    Compiling futures-macro v0.3.28
[INFO] [stderr]    Compiling openssl-macros v0.1.1
[INFO] [stderr]     Checking structopt v0.3.26
[INFO] [stderr]     Checking async-stream v0.3.5
[INFO] [stderr]     Checking pin-project v1.1.0
[INFO] [stderr]     Checking tracing v0.1.37
[INFO] [stderr]     Checking tracing-subscriber v0.2.25
[INFO] [stderr]     Checking tracing-futures v0.2.5
[INFO] [stderr]     Checking futures-executor v0.3.28
[INFO] [stderr]     Checking futures v0.3.28
[INFO] [stderr]  Documenting my_own_future_and_executor v0.1.0 (/opt/rustwide/workdir/my_own_future_and_executor)
[INFO] [stderr]     Checking tokio-stream v0.1.14
[INFO] [stderr]     Checking tokio-util v0.7.8
[INFO] [stderr]     Checking tokio-native-tls v0.3.1
[INFO] [stderr]  Documenting using_join_marco v0.1.0 (/opt/rustwide/workdir/using_join_marco)
[INFO] [stderr]  Documenting using_like_goroutine v0.1.0 (/opt/rustwide/workdir/using_like_goroutine)
[INFO] [stderr]  Documenting making_own_future v0.1.0 (/opt/rustwide/workdir/making_own_future)
[INFO] [stderr]     Checking mini-redis v0.4.1
[INFO] [stderr]     Checking h2 v0.3.20
[INFO] [stderr]  Documenting my-redis v0.1.0 (/opt/rustwide/workdir/my-redis)
[INFO] [stderr]     Checking my-redis v0.1.0 (/opt/rustwide/workdir/my-redis)
[INFO] [stderr]     Checking hyper v0.14.27
[INFO] [stderr]     Checking hyper-tls v0.5.0
[INFO] [stderr]     Checking reqwest v0.11.18
[INFO] [stderr]  Documenting timer_wrapper_future v0.1.0 (/opt/rustwide/workdir/timer_wrapper_future)
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 16.24s
[INFO] [stderr]    Generated /opt/rustwide/target/doc/learning_pin/index.html
[INFO] [stderr]    Generated /opt/rustwide/target/doc/making_own_future/index.html
[INFO] [stderr]    Generated /opt/rustwide/target/doc/lib/index.html
[INFO] [stderr]    Generated /opt/rustwide/target/doc/client/index.html
[INFO] [stderr]    Generated /opt/rustwide/target/doc/echo_client_copy/index.html
[INFO] [stderr]    Generated /opt/rustwide/target/doc/echo_server/index.html
[INFO] [stderr]    Generated /opt/rustwide/target/doc/echo_server_copy/index.html
[INFO] [stderr]    Generated /opt/rustwide/target/doc/frame/index.html
[INFO] [stderr]    Generated /opt/rustwide/target/doc/server/index.html
[INFO] [stderr]    Generated /opt/rustwide/target/doc/my_own_future_and_executor/index.html
[INFO] [stderr]    Generated /opt/rustwide/target/doc/timer_wrapper_future/index.html
[INFO] [stderr]    Generated /opt/rustwide/target/doc/using_join_marco/index.html
[INFO] [stderr]    Generated /opt/rustwide/target/doc/using_like_goroutine/index.html
[INFO] running `Command { std: "docker" "inspect" "6b70900dc70aa6946f348e5b5c1250a2bf337b04399764317aee8d15b882fedf", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "6b70900dc70aa6946f348e5b5c1250a2bf337b04399764317aee8d15b882fedf", kill_on_drop: false }`
[INFO] [stdout] 6b70900dc70aa6946f348e5b5c1250a2bf337b04399764317aee8d15b882fedf
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-1-tc1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-1-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] 9db18d88e0f2b8f0d8a28adee7a4f6c53a3909e69c0da0f7c128a56c860c0bb1
[INFO] running `Command { std: "docker" "start" "-a" "9db18d88e0f2b8f0d8a28adee7a4f6c53a3909e69c0da0f7c128a56c860c0bb1", 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" "9db18d88e0f2b8f0d8a28adee7a4f6c53a3909e69c0da0f7c128a56c860c0bb1", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "9db18d88e0f2b8f0d8a28adee7a4f6c53a3909e69c0da0f7c128a56c860c0bb1", kill_on_drop: false }`
[INFO] [stdout] 9db18d88e0f2b8f0d8a28adee7a4f6c53a3909e69c0da0f7c128a56c860c0bb1
[INFO] documenting Yougigun/learning_tokio against beta-2023-12-22 for beta-1.76-rustdoc-1
[INFO] running `Command { std: "git" "clone" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2FYougigun%2Flearning_tokio" "/workspace/builds/worker-1-tc2/source", kill_on_drop: false }`
[INFO] [stderr] Cloning into '/workspace/builds/worker-1-tc2/source'...
[INFO] [stderr] done.
[INFO] validating manifest of git repo https://github.com/Yougigun/learning_tokio on toolchain beta-2023-12-22
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+beta-2023-12-22" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }`
[INFO] started tweaking git repo https://github.com/Yougigun/learning_tokio
[INFO] finished tweaking git repo https://github.com/Yougigun/learning_tokio
[INFO] tweaked toml for git repo https://github.com/Yougigun/learning_tokio written to /workspace/builds/worker-1-tc2/source/Cargo.toml
[INFO] crate git repo https://github.com/Yougigun/learning_tokio 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" "+beta-2023-12-22" "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] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-1-tc2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-1-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@sha256:2788e3201cd34a07e3172128adcd8b3090168a8e3bcc40d7c032b9dda1df7d1c" "/opt/rustwide/cargo-home/bin/cargo" "+beta-2023-12-22" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] 3fb70284bc1732d2b6ccab29dd585b28aa07c246a6e14ff135f44540ee9a47c3
[INFO] running `Command { std: "docker" "start" "-a" "3fb70284bc1732d2b6ccab29dd585b28aa07c246a6e14ff135f44540ee9a47c3", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "3fb70284bc1732d2b6ccab29dd585b28aa07c246a6e14ff135f44540ee9a47c3", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "3fb70284bc1732d2b6ccab29dd585b28aa07c246a6e14ff135f44540ee9a47c3", kill_on_drop: false }`
[INFO] [stdout] 3fb70284bc1732d2b6ccab29dd585b28aa07c246a6e14ff135f44540ee9a47c3
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-1-tc2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-1-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=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" "+beta-2023-12-22" "doc" "--frozen" "--no-deps" "--document-private-items" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] 9dbfb9ed6044cdd8beb430904a039cd72aec067d7eeadb4fcf29a82a9e5ae56e
[INFO] running `Command { std: "docker" "start" "-a" "9dbfb9ed6044cdd8beb430904a039cd72aec067d7eeadb4fcf29a82a9e5ae56e", 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 proc-macro2 v1.0.60
[INFO] [stderr]    Compiling quote v1.0.28
[INFO] [stderr]    Compiling unicode-ident v1.0.9
[INFO] [stderr]    Compiling libc v0.2.146
[INFO] [stderr]     Checking pin-project-lite v0.2.9
[INFO] [stderr]    Compiling lock_api v0.4.10
[INFO] [stderr]     Checking smallvec v1.10.0
[INFO] [stderr]    Compiling futures-core v0.3.28
[INFO] [stderr]    Compiling parking_lot_core v0.9.8
[INFO] [stderr]     Checking bytes v1.4.0
[INFO] [stderr]    Compiling tokio v1.28.2
[INFO] [stderr]     Checking tracing-core v0.1.31
[INFO] [stderr]     Checking itoa v1.0.6
[INFO] [stderr]    Compiling serde v1.0.164
[INFO] [stderr]     Checking log v0.4.19
[INFO] [stderr]    Compiling proc-macro-error-attr v1.0.4
[INFO] [stderr]    Compiling num-traits v0.2.15
[INFO] [stderr]     Checking ryu v1.0.13
[INFO] [stderr]    Compiling syn v1.0.109
[INFO] [stderr]    Compiling proc-macro-error v1.0.4
[INFO] [stderr]     Checking regex-syntax v0.6.29
[INFO] [stderr]     Checking regex-syntax v0.7.4
[INFO] [stderr]    Compiling serde_json v1.0.99
[INFO] [stderr]    Compiling syn v2.0.18
[INFO] [stderr]     Checking ansi_term v0.12.1
[INFO] [stderr]     Checking socket2 v0.4.9
[INFO] [stderr]     Checking num_cpus v1.15.0
[INFO] [stderr]     Checking signal-hook-registry v1.4.1
[INFO] [stderr]     Checking mio v0.8.8
[INFO] [stderr]     Checking unicode-width v0.1.10
[INFO] [stderr]     Checking parking_lot v0.12.1
[INFO] [stderr]    Compiling unicode-segmentation v1.10.1
[INFO] [stderr]     Checking textwrap v0.11.0
[INFO] [stderr]     Checking regex-automata v0.3.3
[INFO] [stderr]     Checking atty v0.2.14
[INFO] [stderr]    Compiling slab v0.4.8
[INFO] [stderr]    Compiling cc v1.0.79
[INFO] [stderr]     Checking regex-automata v0.1.10
[INFO] [stderr]    Compiling heck v0.3.3
[INFO] [stderr]    Compiling futures-channel v0.3.28
[INFO] [stderr]    Compiling futures-task v0.3.28
[INFO] [stderr]     Checking iana-time-zone v0.1.57
[INFO] [stderr]     Checking futures-sink v0.3.28
[INFO] [stderr]    Compiling memchr v2.5.0
[INFO] [stderr]     Checking chrono v0.4.26
[INFO] [stderr]     Checking matchers v0.0.1
[INFO] [stderr]     Checking clap v2.34.0
[INFO] [stderr]     Checking tracing-log v0.1.3
[INFO] [stderr]     Checking sharded-slab v0.1.4
[INFO] [stderr]    Compiling openssl-sys v0.9.90
[INFO] [stderr]     Checking regex v1.9.1
[INFO] [stderr]     Checking tracing-serde v0.1.3
[INFO] [stderr]    Compiling futures-util v0.3.28
[INFO] [stderr]     Checking atoi v0.3.3
[INFO] [stderr]     Checking futures-io v0.3.28
[INFO] [stderr]    Compiling indexmap v1.9.3
[INFO] [stderr]    Compiling openssl v0.10.55
[INFO] [stderr]     Checking http v0.2.9
[INFO] [stderr]    Compiling native-tls v0.2.11
[INFO] [stderr]    Compiling httparse v1.8.0
[INFO] [stderr]     Checking hashbrown v0.12.3
[INFO] [stderr]     Checking tinyvec_macros v0.1.1
[INFO] [stderr]     Checking tinyvec v1.6.0
[INFO] [stderr]     Checking try-lock v0.2.4
[INFO] [stderr]     Checking percent-encoding v2.3.0
[INFO] [stderr]     Checking want v0.3.1
[INFO] [stderr]     Checking form_urlencoded v1.2.0
[INFO] [stderr]     Checking getrandom v0.2.10
[INFO] [stderr]     Checking http-body v0.4.5
[INFO] [stderr]     Checking tower-service v0.3.2
[INFO] [stderr]     Checking unicode-bidi v0.3.13
[INFO] [stderr]     Checking rand_core v0.6.4
[INFO] [stderr]     Checking serde_urlencoded v0.7.1
[INFO] [stderr]     Checking rand_chacha v0.3.1
[INFO] [stderr]     Checking encoding_rs v0.8.32
[INFO] [stderr]     Checking ipnet v2.7.2
[INFO] [stderr]     Checking mime v0.3.17
[INFO] [stderr]     Checking base64 v0.21.2
[INFO] [stderr]     Checking rand v0.8.5
[INFO] [stderr]     Checking unicode-normalization v0.1.22
[INFO] [stderr]  Documenting learning_pin v0.1.0 (/opt/rustwide/workdir/learning_pin)
[INFO] [stderr]     Checking idna v0.4.0
[INFO] [stderr]    Compiling structopt-derive v0.4.18
[INFO] [stderr]     Checking url v2.4.0
[INFO] [stderr]    Compiling tokio-macros v2.1.0
[INFO] [stderr]    Compiling tracing-attributes v0.1.26
[INFO] [stderr]    Compiling pin-project-internal v1.1.0
[INFO] [stderr]    Compiling async-stream-impl v0.3.5
[INFO] [stderr]    Compiling futures-macro v0.3.28
[INFO] [stderr]    Compiling openssl-macros v0.1.1
[INFO] [stderr]     Checking async-stream v0.3.5
[INFO] [stderr]     Checking structopt v0.3.26
[INFO] [stderr]     Checking pin-project v1.1.0
[INFO] [stderr]     Checking tracing v0.1.37
[INFO] [stderr]     Checking tracing-futures v0.2.5
[INFO] [stderr]     Checking tracing-subscriber v0.2.25
[INFO] [stderr]     Checking futures-executor v0.3.28
[INFO] [stderr]     Checking futures v0.3.28
[INFO] [stderr]  Documenting my_own_future_and_executor v0.1.0 (/opt/rustwide/workdir/my_own_future_and_executor)
[INFO] [stderr]     Checking tokio-stream v0.1.14
[INFO] [stderr]     Checking tokio-util v0.7.8
[INFO] [stderr]     Checking tokio-native-tls v0.3.1
[INFO] [stderr]  Documenting using_join_marco v0.1.0 (/opt/rustwide/workdir/using_join_marco)
[INFO] [stderr]  Documenting making_own_future v0.1.0 (/opt/rustwide/workdir/making_own_future)
[INFO] [stderr]  Documenting using_like_goroutine v0.1.0 (/opt/rustwide/workdir/using_like_goroutine)
[INFO] [stderr]     Checking h2 v0.3.20
[INFO] [stderr]     Checking mini-redis v0.4.1
[INFO] [stderr]  Documenting my-redis v0.1.0 (/opt/rustwide/workdir/my-redis)
[INFO] [stderr]     Checking my-redis v0.1.0 (/opt/rustwide/workdir/my-redis)
[INFO] [stderr]     Checking hyper v0.14.27
[INFO] [stderr]     Checking hyper-tls v0.5.0
[INFO] [stderr]     Checking reqwest v0.11.18
[INFO] [stderr]  Documenting timer_wrapper_future v0.1.0 (/opt/rustwide/workdir/timer_wrapper_future)
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 12.52s
[INFO] [stderr]    Generated /opt/rustwide/target/doc/learning_pin/index.html
[INFO] [stderr]    Generated /opt/rustwide/target/doc/making_own_future/index.html
[INFO] [stderr]    Generated /opt/rustwide/target/doc/lib/index.html
[INFO] [stderr]    Generated /opt/rustwide/target/doc/client/index.html
[INFO] [stderr]    Generated /opt/rustwide/target/doc/echo_client_copy/index.html
[INFO] [stderr]    Generated /opt/rustwide/target/doc/echo_server/index.html
[INFO] [stderr]    Generated /opt/rustwide/target/doc/echo_server_copy/index.html
[INFO] [stderr]    Generated /opt/rustwide/target/doc/frame/index.html
[INFO] [stderr]    Generated /opt/rustwide/target/doc/server/index.html
[INFO] [stderr]    Generated /opt/rustwide/target/doc/my_own_future_and_executor/index.html
[INFO] [stderr]    Generated /opt/rustwide/target/doc/timer_wrapper_future/index.html
[INFO] [stderr]    Generated /opt/rustwide/target/doc/using_join_marco/index.html
[INFO] [stderr]    Generated /opt/rustwide/target/doc/using_like_goroutine/index.html
[INFO] running `Command { std: "docker" "inspect" "9dbfb9ed6044cdd8beb430904a039cd72aec067d7eeadb4fcf29a82a9e5ae56e", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "9dbfb9ed6044cdd8beb430904a039cd72aec067d7eeadb4fcf29a82a9e5ae56e", kill_on_drop: false }`
[INFO] [stdout] 9dbfb9ed6044cdd8beb430904a039cd72aec067d7eeadb4fcf29a82a9e5ae56e
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-1-tc2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-1-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=warn" "-e" "RUSTDOCFLAGS=--cap-lints=warn" "-e" "RUSTC_BOOTSTRAP=1" "-e" "DOCS_RS=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" "+beta-2023-12-22" "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] 8627fc61995ac9361ea3ebd2bd8d55103c1601adc80629d9ce85a4d5b156201b
[INFO] running `Command { std: "docker" "start" "-a" "8627fc61995ac9361ea3ebd2bd8d55103c1601adc80629d9ce85a4d5b156201b", 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" "8627fc61995ac9361ea3ebd2bd8d55103c1601adc80629d9ce85a4d5b156201b", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "8627fc61995ac9361ea3ebd2bd8d55103c1601adc80629d9ce85a4d5b156201b", kill_on_drop: false }`
[INFO] [stdout] 8627fc61995ac9361ea3ebd2bd8d55103c1601adc80629d9ce85a4d5b156201b
