[INFO] cloning repository https://github.com/Reeperto/plugbar
[INFO] running `Command { std: "git" "-c" "credential.helper=" "-c" "credential.helper=/workspace/cargo-home/bin/git-credential-null" "clone" "--bare" "https://github.com/Reeperto/plugbar" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2FReeperto%2Fplugbar", kill_on_drop: false }`
[INFO] [stderr] Cloning into bare repository '/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2FReeperto%2Fplugbar'...
[INFO] running `Command { std: "git" "rev-parse" "HEAD", kill_on_drop: false }`
[INFO] [stdout] 78967aea9ea8593a6d85f41edaea6380867a9015
[INFO] documenting Reeperto/plugbar against 1.73.0 for beta-1.74-rustdoc-1
[INFO] running `Command { std: "git" "clone" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2FReeperto%2Fplugbar" "/workspace/builds/worker-6-tc1/source", kill_on_drop: false }`
[INFO] [stderr] Cloning into '/workspace/builds/worker-6-tc1/source'...
[INFO] [stderr] done.
[INFO] validating manifest of git repo https://github.com/Reeperto/plugbar on toolchain 1.73.0
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+1.73.0" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }`
[INFO] started tweaking git repo https://github.com/Reeperto/plugbar
[INFO] finished tweaking git repo https://github.com/Reeperto/plugbar
[INFO] tweaked toml for git repo https://github.com/Reeperto/plugbar written to /workspace/builds/worker-6-tc1/source/Cargo.toml
[INFO] crate git repo https://github.com/Reeperto/plugbar 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" "+1.73.0" "fetch" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] [stderr] warning: some crates are on edition 2021 which defaults to `resolver = "2"`, but virtual workspaces default to `resolver = "1"`
[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] warning: /workspace/builds/worker-6-tc1/source/timetable/Cargo.toml: dependency (chrono) specified without providing a local path, Git repository, version, or workspace dependency to use. This will be considered an error in future versions
[INFO] [stderr] warning: /workspace/builds/worker-6-tc1/source/timetable/Cargo.toml: unused manifest key: dependencies.chrono.name
[INFO] [stderr] warning: /workspace/builds/worker-6-tc1/source/plugins/Cargo.toml: dependency (serde) specified without providing a local path, Git repository, version, or workspace dependency to use. This will be considered an error in future versions
[INFO] [stderr] warning: /workspace/builds/worker-6-tc1/source/plugins/Cargo.toml: unused manifest key: dependencies.serde.name
[INFO] [stderr]  Downloading crates ...
[INFO] [stderr]   Downloaded serde_derive v1.0.156
[INFO] [stderr]   Downloaded serde v1.0.156
[INFO] [stderr]   Downloaded serde_yaml v0.9.19
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-6-tc1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-6-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@sha256:023092b8bfa974c7f3e45c5ce651cc8dd3afd5e76915d5995b8dacd3032bf956" "/opt/rustwide/cargo-home/bin/cargo" "+1.73.0" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] d58456a5b92e069b5ecb77f580415bbc8037aa5502e491256ea8407f76e286d3
[INFO] running `Command { std: "docker" "start" "-a" "d58456a5b92e069b5ecb77f580415bbc8037aa5502e491256ea8407f76e286d3", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "d58456a5b92e069b5ecb77f580415bbc8037aa5502e491256ea8407f76e286d3", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "d58456a5b92e069b5ecb77f580415bbc8037aa5502e491256ea8407f76e286d3", kill_on_drop: false }`
[INFO] [stdout] d58456a5b92e069b5ecb77f580415bbc8037aa5502e491256ea8407f76e286d3
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-6-tc1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-6-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@sha256:023092b8bfa974c7f3e45c5ce651cc8dd3afd5e76915d5995b8dacd3032bf956" "/opt/rustwide/cargo-home/bin/cargo" "+1.73.0" "doc" "--frozen" "--no-deps" "--document-private-items" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] a8baea427eee137d16fc00eb99774f3324c83c8bdea501a6ed384d32f803e8cc
[INFO] running `Command { std: "docker" "start" "-a" "a8baea427eee137d16fc00eb99774f3324c83c8bdea501a6ed384d32f803e8cc", kill_on_drop: false }`
[INFO] [stderr] warning: some crates are on edition 2021 which defaults to `resolver = "2"`, but virtual workspaces default to `resolver = "1"`
[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] warning: /opt/rustwide/workdir/plugins/Cargo.toml: dependency (serde) specified without providing a local path, Git repository, version, or workspace dependency to use. This will be considered an error in future versions
[INFO] [stderr] warning: /opt/rustwide/workdir/plugins/Cargo.toml: unused manifest key: dependencies.serde.name
[INFO] [stderr] warning: /opt/rustwide/workdir/timetable/Cargo.toml: dependency (chrono) specified without providing a local path, Git repository, version, or workspace dependency to use. This will be considered an error in future versions
[INFO] [stderr] warning: /opt/rustwide/workdir/timetable/Cargo.toml: unused manifest key: dependencies.chrono.name
[INFO] [stderr]    Compiling autocfg v1.1.0
[INFO] [stderr]    Compiling proc-macro2 v1.0.52
[INFO] [stderr]    Compiling quote v1.0.26
[INFO] [stderr]    Compiling unicode-ident v1.0.8
[INFO] [stderr]    Compiling syn v1.0.109
[INFO] [stderr]    Compiling serde_derive v1.0.156
[INFO] [stderr]    Compiling libc v0.2.140
[INFO] [stderr]    Compiling serde v1.0.156
[INFO] [stderr]     Checking iana-time-zone v0.1.53
[INFO] [stderr]     Checking hashbrown v0.12.3
[INFO] [stderr]     Checking ryu v1.0.13
[INFO] [stderr]     Checking unsafe-libyaml v0.2.7
[INFO] [stderr]     Checking same-file v1.0.6
[INFO] [stderr]     Checking itoa v1.0.6
[INFO] [stderr]     Checking walkdir v2.3.2
[INFO] [stderr]    Compiling num-traits v0.2.15
[INFO] [stderr]    Compiling num-integer v0.1.45
[INFO] [stderr]    Compiling indexmap v1.9.2
[INFO] [stderr]     Checking time v0.1.45
[INFO] [stderr] thread 'rustc' panicked at compiler/rustc_metadata/src/rmeta/encoder.rs:442:9:
[INFO] [stderr] error: could not compile `serde` (lib)
[INFO] running `Command { std: "docker" "inspect" "a8baea427eee137d16fc00eb99774f3324c83c8bdea501a6ed384d32f803e8cc", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "a8baea427eee137d16fc00eb99774f3324c83c8bdea501a6ed384d32f803e8cc", kill_on_drop: false }`
[INFO] [stdout] a8baea427eee137d16fc00eb99774f3324c83c8bdea501a6ed384d32f803e8cc