[INFO] fetching crate hp-log 0.3.1...
[INFO] documenting hp-log-0.3.1 against 1.76.0 for beta-1.77-rustdoc-1
[INFO] extracting crate hp-log 0.3.1 into /workspace/builds/worker-4-tc1/source
[INFO] validating manifest of crates.io crate hp-log 0.3.1 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 crates.io crate hp-log 0.3.1
[INFO] removed 0 missing examples
[INFO] finished tweaking crates.io crate hp-log 0.3.1
[INFO] tweaked toml for crates.io crate hp-log 0.3.1 written to /workspace/builds/worker-4-tc1/source/Cargo.toml
[INFO] crate crates.io crate hp-log 0.3.1 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]     Updating crates.io index
[INFO] [stderr]  Downloading crates ...
[INFO] [stderr]   Downloaded strfmt v0.1.6
[INFO] [stderr]   Downloaded serde v1.0.94
[INFO] [stderr]   Downloaded wincolor v1.0.1
[INFO] [stderr]   Downloaded serde_derive v1.0.94
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-4-tc1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-4-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" "+1.76.0" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] 4b3508d1d5f8ad55fd58af769ccf12bf5b1d246f4985e533d6d4903e85b0007f
[INFO] running `Command { std: "docker" "start" "-a" "4b3508d1d5f8ad55fd58af769ccf12bf5b1d246f4985e533d6d4903e85b0007f", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "4b3508d1d5f8ad55fd58af769ccf12bf5b1d246f4985e533d6d4903e85b0007f", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "4b3508d1d5f8ad55fd58af769ccf12bf5b1d246f4985e533d6d4903e85b0007f", kill_on_drop: false }`
[INFO] [stdout] 4b3508d1d5f8ad55fd58af769ccf12bf5b1d246f4985e533d6d4903e85b0007f
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-4-tc1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-4-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" "+1.76.0" "doc" "--frozen" "--no-deps" "--document-private-items" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] d8be3c323ec7e6759d985a1a3061d2d0555dbf19929b14474413510327987b30
[INFO] running `Command { std: "docker" "start" "-a" "d8be3c323ec7e6759d985a1a3061d2d0555dbf19929b14474413510327987b30", kill_on_drop: false }`
[INFO] [stderr]    Compiling proc-macro2 v0.4.30
[INFO] [stderr]    Compiling unicode-xid v0.1.0
[INFO] [stderr]    Compiling syn v0.15.39
[INFO] [stderr]    Compiling libc v0.2.58
[INFO] [stderr]    Compiling serde v1.0.94
[INFO] [stderr]     Checking cfg-if v0.1.9
[INFO] [stderr]     Checking strfmt v0.1.6
[INFO] [stderr]     Checking lazy_static v1.3.0
[INFO] [stderr]     Checking log v0.4.6
[INFO] [stderr]    Compiling quote v0.6.12
[INFO] [stderr]     Checking time v0.1.42
[INFO] [stderr]    Compiling serde_derive v1.0.94
[INFO] [stderr]     Checking toml v0.4.10
[INFO] [stderr]  Documenting hp-log v0.3.1 (/opt/rustwide/workdir)
[INFO] [stdout] error[E0554]: `#![feature]` may not be used on the stable release channel
[INFO] [stdout]  --> src/lib.rs:2:2
[INFO] [stdout]   |
[INFO] [stdout] 2 |  #![feature(rustc_private)]
[INFO] [stdout]   |  ^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error: aborting due to 1 previous error
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] For more information about this error, try `rustc --explain E0554`.
[INFO] [stdout] 
[INFO] [stderr] error: could not document `hp-log`
[INFO] [stderr] 
[INFO] [stderr] Caused by:
[INFO] [stderr]   process didn't exit successfully: `/opt/rustwide/rustup-home/toolchains/1.76.0-x86_64-unknown-linux-gnu/bin/rustdoc --edition=2018 --crate-type lib --crate-name hp_log src/lib.rs -o /opt/rustwide/target/doc --error-format=json --json=diagnostic-rendered-ansi,artifacts,future-incompat --document-private-items -C metadata=32d5e08fbab44ff6 -L dependency=/opt/rustwide/target/debug/deps --extern lazy_static=/opt/rustwide/target/debug/deps/liblazy_static-6b1f126cf6fbf8dd.rmeta --extern log=/opt/rustwide/target/debug/deps/liblog-d88b3b65fc3b72fb.rmeta --extern serde=/opt/rustwide/target/debug/deps/libserde-0539afb7188d08f4.rmeta --extern serde_derive=/opt/rustwide/target/debug/deps/libserde_derive-8277da103270f983.so --extern strfmt=/opt/rustwide/target/debug/deps/libstrfmt-a0533271ff11bb09.rmeta --extern time=/opt/rustwide/target/debug/deps/libtime-0985da9c11fc9df2.rmeta --extern toml=/opt/rustwide/target/debug/deps/libtoml-04906e58bb06246d.rmeta --cap-lints=warn --crate-version 0.3.1` (exit status: 1)
[INFO] running `Command { std: "docker" "inspect" "d8be3c323ec7e6759d985a1a3061d2d0555dbf19929b14474413510327987b30", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "d8be3c323ec7e6759d985a1a3061d2d0555dbf19929b14474413510327987b30", kill_on_drop: false }`
[INFO] [stdout] d8be3c323ec7e6759d985a1a3061d2d0555dbf19929b14474413510327987b30
[INFO] documenting hp-log-0.3.1 against beta-2024-02-10 for beta-1.77-rustdoc-1
[INFO] extracting crate hp-log 0.3.1 into /workspace/builds/worker-4-tc2/source
[INFO] validating manifest of crates.io crate hp-log 0.3.1 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 crates.io crate hp-log 0.3.1
[INFO] removed 0 missing examples
[INFO] finished tweaking crates.io crate hp-log 0.3.1
[INFO] tweaked toml for crates.io crate hp-log 0.3.1 written to /workspace/builds/worker-4-tc2/source/Cargo.toml
[INFO] crate crates.io crate hp-log 0.3.1 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] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-4-tc2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-4-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] 64efc47b9569a1ee3f9d5e8b097d1f026c95c4d5bb9dcaa5b0a41379283bdbbc
[INFO] running `Command { std: "docker" "start" "-a" "64efc47b9569a1ee3f9d5e8b097d1f026c95c4d5bb9dcaa5b0a41379283bdbbc", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "64efc47b9569a1ee3f9d5e8b097d1f026c95c4d5bb9dcaa5b0a41379283bdbbc", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "64efc47b9569a1ee3f9d5e8b097d1f026c95c4d5bb9dcaa5b0a41379283bdbbc", kill_on_drop: false }`
[INFO] [stdout] 64efc47b9569a1ee3f9d5e8b097d1f026c95c4d5bb9dcaa5b0a41379283bdbbc
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-4-tc2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-4-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] 28cafa37c003713cd2319235e8d73a781d9173b7e8ce758dcdae1ddfd81620dd
[INFO] running `Command { std: "docker" "start" "-a" "28cafa37c003713cd2319235e8d73a781d9173b7e8ce758dcdae1ddfd81620dd", kill_on_drop: false }`
[INFO] [stderr]    Compiling proc-macro2 v0.4.30
[INFO] [stderr]    Compiling unicode-xid v0.1.0
[INFO] [stderr]    Compiling syn v0.15.39
[INFO] [stderr]    Compiling serde v1.0.94
[INFO] [stderr]    Compiling libc v0.2.58
[INFO] [stderr]     Checking cfg-if v0.1.9
[INFO] [stderr]     Checking strfmt v0.1.6
[INFO] [stderr]     Checking lazy_static v1.3.0
[INFO] [stderr]     Checking log v0.4.6
[INFO] [stderr]    Compiling quote v0.6.12
[INFO] [stderr]     Checking time v0.1.42
[INFO] [stderr]     Checking toml v0.4.10
[INFO] [stderr]    Compiling serde_derive v1.0.94
[INFO] [stderr]  Documenting hp-log v0.3.1 (/opt/rustwide/workdir)
[INFO] [stdout] error[E0554]: `#![feature]` may not be used on the beta release channel
[INFO] [stdout]  --> src/lib.rs:2:2
[INFO] [stdout]   |
[INFO] [stdout] 2 |  #![feature(rustc_private)]
[INFO] [stdout]   |  ^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error: aborting due to 1 previous error
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] For more information about this error, try `rustc --explain E0554`.
[INFO] [stdout] 
[INFO] [stderr] error: could not document `hp-log`
[INFO] [stderr] 
[INFO] [stderr] Caused by:
[INFO] [stderr]   process didn't exit successfully: `/opt/rustwide/rustup-home/toolchains/beta-2024-02-10-x86_64-unknown-linux-gnu/bin/rustdoc --edition=2018 --crate-type lib --crate-name hp_log src/lib.rs -o /opt/rustwide/target/doc --error-format=json --json=diagnostic-rendered-ansi,artifacts,future-incompat --document-private-items -C metadata=52567e99711af0a2 -L dependency=/opt/rustwide/target/debug/deps --extern lazy_static=/opt/rustwide/target/debug/deps/liblazy_static-092dce775fd9d546.rmeta --extern log=/opt/rustwide/target/debug/deps/liblog-7800eb2bc63f9178.rmeta --extern serde=/opt/rustwide/target/debug/deps/libserde-34c3a65a433a85fc.rmeta --extern serde_derive=/opt/rustwide/target/debug/deps/libserde_derive-080db1a9138b0139.so --extern strfmt=/opt/rustwide/target/debug/deps/libstrfmt-e6c7ff1d47133a62.rmeta --extern time=/opt/rustwide/target/debug/deps/libtime-99c3b7e8dd78062b.rmeta --extern toml=/opt/rustwide/target/debug/deps/libtoml-3ba574d5a60dcfd6.rmeta --cap-lints=warn --crate-version 0.3.1` (exit status: 1)
[INFO] running `Command { std: "docker" "inspect" "28cafa37c003713cd2319235e8d73a781d9173b7e8ce758dcdae1ddfd81620dd", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "28cafa37c003713cd2319235e8d73a781d9173b7e8ce758dcdae1ddfd81620dd", kill_on_drop: false }`
[INFO] [stdout] 28cafa37c003713cd2319235e8d73a781d9173b7e8ce758dcdae1ddfd81620dd
