[INFO] cloning repository https://github.com/kakoc/playground-rs
[INFO] running `Command { std: "git" "-c" "credential.helper=" "-c" "credential.helper=/workspace/cargo-home/bin/git-credential-null" "clone" "--bare" "https://github.com/kakoc/playground-rs" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fkakoc%2Fplayground-rs", kill_on_drop: false }`
[INFO] [stderr] Cloning into bare repository '/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fkakoc%2Fplayground-rs'...
[INFO] running `Command { std: "git" "rev-parse" "HEAD", kill_on_drop: false }`
[INFO] [stdout] 4044d3f34888f2a7ef71c7c85cee620886fd1ec9
[INFO] documenting kakoc/playground-rs against 1.76.0 for beta-1.77-rustdoc-1
[INFO] running `Command { std: "git" "clone" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fkakoc%2Fplayground-rs" "/workspace/builds/worker-3-tc1/source", kill_on_drop: false }`
[INFO] [stderr] Cloning into '/workspace/builds/worker-3-tc1/source'...
[INFO] [stderr] done.
[INFO] validating manifest of git repo https://github.com/kakoc/playground-rs on toolchain 1.76.0
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+1.76.0" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }`
[INFO] started tweaking git repo https://github.com/kakoc/playground-rs
[INFO] finished tweaking git repo https://github.com/kakoc/playground-rs
[INFO] tweaked toml for git repo https://github.com/kakoc/playground-rs written to /workspace/builds/worker-3-tc1/source/Cargo.toml
[INFO] crate git repo https://github.com/kakoc/playground-rs 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" "+1.76.0" "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]     Blocking waiting for file lock on package cache
[ERROR] error running command: no output for 300 seconds
[ERROR] this task or one of its parent failed!
[ERROR] no output for 300 seconds
[ERROR] note: run with `RUST_BACKTRACE=1` to display a backtrace.
[INFO] documenting kakoc/playground-rs against beta-2024-02-10 for beta-1.77-rustdoc-1
[INFO] running `Command { std: "git" "clone" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fkakoc%2Fplayground-rs" "/workspace/builds/worker-3-tc2/source", kill_on_drop: false }`
[INFO] [stderr] Cloning into '/workspace/builds/worker-3-tc2/source'...
[INFO] [stderr] done.
[INFO] validating manifest of git repo https://github.com/kakoc/playground-rs on toolchain beta-2024-02-10
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+beta-2024-02-10" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }`
[INFO] started tweaking git repo https://github.com/kakoc/playground-rs
[INFO] finished tweaking git repo https://github.com/kakoc/playground-rs
[INFO] tweaked toml for git repo https://github.com/kakoc/playground-rs written to /workspace/builds/worker-3-tc2/source/Cargo.toml
[INFO] crate git repo https://github.com/kakoc/playground-rs 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-2024-02-10" "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]     Blocking waiting for file lock on package cache
[INFO] [stderr]     Blocking waiting for file lock on package cache
[ERROR] error running command: no output for 300 seconds
[INFO] documenting kakoc/playground-rs against beta-2024-02-10 for beta-1.77-rustdoc-1
[INFO] running `Command { std: "git" "clone" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fkakoc%2Fplayground-rs" "/workspace/builds/worker-3-tc2/source", kill_on_drop: false }`
[INFO] [stderr] Cloning into '/workspace/builds/worker-3-tc2/source'...
[INFO] [stderr] done.
[INFO] validating manifest of git repo https://github.com/kakoc/playground-rs on toolchain beta-2024-02-10
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+beta-2024-02-10" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }`
[INFO] started tweaking git repo https://github.com/kakoc/playground-rs
[INFO] finished tweaking git repo https://github.com/kakoc/playground-rs
[INFO] tweaked toml for git repo https://github.com/kakoc/playground-rs written to /workspace/builds/worker-3-tc2/source/Cargo.toml
[INFO] crate git repo https://github.com/kakoc/playground-rs 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-2024-02-10" "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]     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 bson v2.5.0
[INFO] [stderr]   Downloaded os_info v3.6.0
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-3-tc2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-3-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-2024-02-10" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] 185a0e27bab9c9a307721e119d761edb7fa83a87c1a7c5c84a0e6db820fd66ac
[INFO] running `Command { std: "docker" "start" "-a" "185a0e27bab9c9a307721e119d761edb7fa83a87c1a7c5c84a0e6db820fd66ac", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "185a0e27bab9c9a307721e119d761edb7fa83a87c1a7c5c84a0e6db820fd66ac", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "185a0e27bab9c9a307721e119d761edb7fa83a87c1a7c5c84a0e6db820fd66ac", kill_on_drop: false }`
[INFO] [stdout] 185a0e27bab9c9a307721e119d761edb7fa83a87c1a7c5c84a0e6db820fd66ac
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-3-tc2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-3-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-2024-02-10" "doc" "--frozen" "--no-deps" "--document-private-items" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] fbec8e1fe89ddb6d7ca5566d5f8907f2ee930749ebbfe8dfe9a2949351409751
[INFO] running `Command { std: "docker" "start" "-a" "fbec8e1fe89ddb6d7ca5566d5f8907f2ee930749ebbfe8dfe9a2949351409751", 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 v1.0.51
[INFO] [stderr]    Compiling libc v0.2.139
[INFO] [stderr]    Compiling syn v1.0.108
[INFO] [stderr]    Compiling typenum v1.16.0
[INFO] [stderr]    Compiling log v0.4.17
[INFO] [stderr]    Compiling cc v1.0.79
[INFO] [stderr]    Compiling futures-core v0.3.26
[INFO] [stderr]     Checking once_cell v1.17.1
[INFO] [stderr]     Checking tinyvec_macros v0.1.1
[INFO] [stderr]    Compiling quote v1.0.23
[INFO] [stderr]    Compiling generic-array v0.14.6
[INFO] [stderr]    Compiling slab v0.4.8
[INFO] [stderr]    Compiling tokio v1.25.0
[INFO] [stderr]     Checking spin v0.5.2
[INFO] [stderr]     Checking untrusted v0.7.1
[INFO] [stderr]     Checking subtle v2.4.1
[INFO] [stderr]     Checking unicode-bidi v0.3.10
[INFO] [stderr]     Checking tinyvec v1.6.0
[INFO] [stderr]    Compiling futures-util v0.3.26
[INFO] [stderr]    Compiling ident_case v1.0.1
[INFO] [stderr]    Compiling fnv v1.0.7
[INFO] [stderr]    Compiling strsim v0.10.0
[INFO] [stderr]    Compiling lock_api v0.4.9
[INFO] [stderr]    Compiling indexmap v1.9.2
[INFO] [stderr]    Compiling thiserror v1.0.38
[INFO] [stderr]     Checking smallvec v1.10.0
[INFO] [stderr]     Checking percent-encoding v2.2.0
[INFO] [stderr]    Compiling async-trait v0.1.64
[INFO] [stderr]    Compiling parking_lot_core v0.9.7
[INFO] [stderr]    Compiling futures-channel v0.3.26
[INFO] [stderr]    Compiling ahash v0.7.6
[INFO] [stderr]     Checking form_urlencoded v1.1.0
[INFO] [stderr]    Compiling heck v0.4.1
[INFO] [stderr]     Checking matches v0.1.10
[INFO] [stderr]     Checking semver-parser v0.7.0
[INFO] [stderr]    Compiling time-core v0.1.0
[INFO] [stderr]     Checking match_cfg v0.1.0
[INFO] [stderr]     Checking hashbrown v0.12.3
[INFO] [stderr]    Compiling rustls v0.20.8
[INFO] [stderr]    Compiling serde_json v1.0.93
[INFO] [stderr]    Compiling time-macros v0.2.7
[INFO] [stderr]     Checking unicode-normalization v0.1.22
[INFO] [stderr]     Checking semver v0.9.0
[INFO] [stderr]    Compiling rustc_version_runtime v0.2.1
[INFO] [stderr]     Checking unicode-ident v1.0.6
[INFO] [stderr]     Checking linked-hash-map v0.5.6
[INFO] [stderr]     Checking quick-error v1.2.3
[INFO] [stderr]     Checking data-encoding v2.3.3
[INFO] [stderr]     Checking cpufeatures v0.2.5
[INFO] [stderr]     Checking base64 v0.13.1
[INFO] [stderr]     Checking ipnet v2.7.1
[INFO] [stderr]     Checking rustc_version v0.2.3
[INFO] [stderr]     Checking lru-cache v0.1.2
[INFO] [stderr]     Checking getrandom v0.2.8
[INFO] [stderr]     Checking mio v0.8.6
[INFO] [stderr]     Checking num_cpus v1.15.0
[INFO] [stderr]     Checking socket2 v0.4.7
[INFO] [stderr]     Checking hostname v0.3.1
[INFO] [stderr]     Checking idna v0.3.0
[INFO] [stderr]     Checking idna v0.2.3
[INFO] [stderr]     Checking rand_core v0.6.4
[INFO] [stderr]    Compiling ring v0.16.20
[INFO] [stderr]     Checking resolv-conf v0.7.0
[INFO] [stderr]     Checking time v0.1.45
[INFO] [stderr]     Checking rand_chacha v0.3.1
[INFO] [stderr]     Checking futures-sink v0.3.26
[INFO] [stderr]     Checking hex v0.4.3
[INFO] [stderr]     Checking uuid v0.8.2
[INFO] [stderr]     Checking rustls-pemfile v0.3.0
[INFO] [stderr]     Checking stringprep v0.1.2
[INFO] [stderr]     Checking parking_lot v0.12.1
[INFO] [stderr]     Checking chrono v0.4.23
[INFO] [stderr]     Checking os_info v3.6.0
[INFO] [stderr]     Checking take_mut v0.2.2
[INFO] [stderr]     Checking url v2.3.1
[INFO] [stderr]     Checking rand v0.8.5
[INFO] [stderr]     Checking block-buffer v0.10.3
[INFO] [stderr]     Checking crypto-common v0.1.6
[INFO] [stderr]     Checking time v0.3.19
[INFO] [stderr]     Checking digest v0.10.6
[INFO] [stderr]     Checking md-5 v0.10.5
[INFO] [stderr]     Checking sha2 v0.10.6
[INFO] [stderr]     Checking sha-1 v0.10.1
[INFO] [stderr]     Checking hmac v0.12.1
[INFO] [stderr]     Checking pbkdf2 v0.10.1
[INFO] [stderr]    Compiling darling_core v0.13.4
[INFO] [stderr]     Checking webpki v0.22.0
[INFO] [stderr]     Checking sct v0.7.0
[INFO] [stderr]     Checking webpki-roots v0.22.6
[INFO] [stderr]    Compiling serde_derive v1.0.152
[INFO] [stderr]    Compiling tokio-macros v1.8.2
[INFO] [stderr]    Compiling futures-macro v0.3.26
[INFO] [stderr]    Compiling thiserror-impl v1.0.38
[INFO] [stderr]    Compiling enum-as-inner v0.4.0
[INFO] [stderr]    Compiling typed-builder v0.10.0
[INFO] [stderr]    Compiling derivative v2.2.0
[INFO] [stderr]    Compiling darling_macro v0.13.4
[INFO] [stderr]    Compiling darling v0.13.4
[INFO] [stderr]    Compiling serde_with_macros v1.5.2
[INFO] [stderr]     Checking futures-executor v0.3.26
[INFO] [stderr]     Checking trust-dns-proto v0.21.2
[INFO] [stderr]     Checking tokio-util v0.7.7
[INFO] [stderr]     Checking tokio-rustls v0.23.4
[INFO] [stderr]     Checking serde v1.0.152
[INFO] [stderr]     Checking trust-dns-resolver v0.21.2
[INFO] [stderr]     Checking uuid v1.3.0
[INFO] [stderr]     Checking serde_bytes v0.11.9
[INFO] [stderr]     Checking serde_with v1.14.0
[INFO] [stderr]     Checking bson v2.5.0
[INFO] [stderr]     Checking mongodb v2.3.1
[INFO] [stderr]  Documenting b v0.1.0 (/opt/rustwide/workdir/crates/b)
[INFO] [stderr]  Documenting a v0.1.0 (/opt/rustwide/workdir/crates/a)
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 29.71s
[INFO] [stderr]    Generated /opt/rustwide/target/doc/a/index.html
[INFO] [stderr]    Generated /opt/rustwide/target/doc/b/index.html
[INFO] running `Command { std: "docker" "inspect" "fbec8e1fe89ddb6d7ca5566d5f8907f2ee930749ebbfe8dfe9a2949351409751", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "fbec8e1fe89ddb6d7ca5566d5f8907f2ee930749ebbfe8dfe9a2949351409751", kill_on_drop: false }`
[INFO] [stdout] fbec8e1fe89ddb6d7ca5566d5f8907f2ee930749ebbfe8dfe9a2949351409751
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-3-tc2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-3-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" "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" "+beta-2024-02-10" "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] d3a0989de73d309e1add53934acef058087e3f0a1d7693a9cf36dcc57320f58d
[INFO] running `Command { std: "docker" "start" "-a" "d3a0989de73d309e1add53934acef058087e3f0a1d7693a9cf36dcc57320f58d", 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" "d3a0989de73d309e1add53934acef058087e3f0a1d7693a9cf36dcc57320f58d", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "d3a0989de73d309e1add53934acef058087e3f0a1d7693a9cf36dcc57320f58d", kill_on_drop: false }`
[INFO] [stdout] d3a0989de73d309e1add53934acef058087e3f0a1d7693a9cf36dcc57320f58d