[INFO] fetching crate thetadb 0.0.2...
[INFO] documenting thetadb-0.0.2 against 1.76.0 for beta-1.77-rustdoc-1
[INFO] extracting crate thetadb 0.0.2 into /workspace/builds/worker-4-tc1/source
[INFO] validating manifest of crates.io crate thetadb 0.0.2 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 thetadb 0.0.2
[INFO] finished tweaking crates.io crate thetadb 0.0.2
[INFO] tweaked toml for crates.io crate thetadb 0.0.2 written to /workspace/builds/worker-4-tc1/source/Cargo.toml
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+1.76.0" "generate-lockfile" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] [stderr]     Updating crates.io index
[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] 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] f4e95dc6ac50ab930ea513d9af34a721167f45a6b39bef42fe92c072e783d00f
[INFO] running `Command { std: "docker" "start" "-a" "f4e95dc6ac50ab930ea513d9af34a721167f45a6b39bef42fe92c072e783d00f", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "f4e95dc6ac50ab930ea513d9af34a721167f45a6b39bef42fe92c072e783d00f", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "f4e95dc6ac50ab930ea513d9af34a721167f45a6b39bef42fe92c072e783d00f", kill_on_drop: false }`
[INFO] [stdout] f4e95dc6ac50ab930ea513d9af34a721167f45a6b39bef42fe92c072e783d00f
[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] 2f269aa7d16f94f3a55b8f494fed7e9451efba2000d9c18fb03c64835ae602d1
[INFO] running `Command { std: "docker" "start" "-a" "2f269aa7d16f94f3a55b8f494fed7e9451efba2000d9c18fb03c64835ae602d1", kill_on_drop: false }`
[INFO] [stderr]    Compiling proc-macro2 v1.0.78
[INFO] [stderr]    Compiling crc32fast v1.4.0
[INFO] [stderr]    Compiling thiserror v1.0.57
[INFO] [stderr]    Compiling quote v1.0.35
[INFO] [stderr]    Compiling syn v2.0.48
[INFO] [stderr]    Compiling thiserror-impl v1.0.57
[INFO] [stderr]  Documenting thetadb v0.0.2 (/opt/rustwide/workdir)
[INFO] [stdout] error[E0554]: `#![feature]` may not be used on the stable release channel
[INFO] [stdout]    --> src/lib.rs:217:1
[INFO] [stdout]     |
[INFO] [stdout] 217 | #![feature(let_chains)]
[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 `thetadb`
[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=2021 --crate-type lib --crate-name thetadb src/lib.rs -o /opt/rustwide/target/doc --error-format=json --json=diagnostic-rendered-ansi,artifacts,future-incompat --document-private-items -C metadata=246254ae934ebaf8 -L dependency=/opt/rustwide/target/debug/deps --extern crc32fast=/opt/rustwide/target/debug/deps/libcrc32fast-2937760176339f0d.rmeta --extern libc=/opt/rustwide/target/debug/deps/liblibc-90dcd21b8f97cd2f.rmeta --extern thiserror=/opt/rustwide/target/debug/deps/libthiserror-b049f132ddfc695e.rmeta --cap-lints=warn --crate-version 0.0.2` (exit status: 1)
[INFO] running `Command { std: "docker" "inspect" "2f269aa7d16f94f3a55b8f494fed7e9451efba2000d9c18fb03c64835ae602d1", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "2f269aa7d16f94f3a55b8f494fed7e9451efba2000d9c18fb03c64835ae602d1", kill_on_drop: false }`
[INFO] [stdout] 2f269aa7d16f94f3a55b8f494fed7e9451efba2000d9c18fb03c64835ae602d1
[INFO] documenting thetadb-0.0.2 against beta-2024-02-10 for beta-1.77-rustdoc-1
[INFO] extracting crate thetadb 0.0.2 into /workspace/builds/worker-4-tc2/source
[INFO] validating manifest of crates.io crate thetadb 0.0.2 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 thetadb 0.0.2
[INFO] finished tweaking crates.io crate thetadb 0.0.2
[INFO] tweaked toml for crates.io crate thetadb 0.0.2 written to /workspace/builds/worker-4-tc2/source/Cargo.toml
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+beta-2024-02-10" "generate-lockfile" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] [stderr]     Updating crates.io index
[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] a92cd550d982d9d20eb2c4e15ae3727b231308868361d27bb7912862d850e6a5
[INFO] running `Command { std: "docker" "start" "-a" "a92cd550d982d9d20eb2c4e15ae3727b231308868361d27bb7912862d850e6a5", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "a92cd550d982d9d20eb2c4e15ae3727b231308868361d27bb7912862d850e6a5", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "a92cd550d982d9d20eb2c4e15ae3727b231308868361d27bb7912862d850e6a5", kill_on_drop: false }`
[INFO] [stdout] a92cd550d982d9d20eb2c4e15ae3727b231308868361d27bb7912862d850e6a5
[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] d2ef56da28bb43054175c055a0b8c9e4d0ab9b18b8e1d3b313414ff8c0339219
[INFO] running `Command { std: "docker" "start" "-a" "d2ef56da28bb43054175c055a0b8c9e4d0ab9b18b8e1d3b313414ff8c0339219", kill_on_drop: false }`
[INFO] [stderr]    Compiling proc-macro2 v1.0.78
[INFO] [stderr]    Compiling crc32fast v1.4.0
[INFO] [stderr]    Compiling thiserror v1.0.57
[INFO] [stderr]    Compiling quote v1.0.35
[INFO] [stderr]    Compiling syn v2.0.48
[INFO] [stderr]    Compiling thiserror-impl v1.0.57
[INFO] [stderr]  Documenting thetadb v0.0.2 (/opt/rustwide/workdir)
[INFO] [stdout] error[E0554]: `#![feature]` may not be used on the beta release channel
[INFO] [stdout]    --> src/lib.rs:217:1
[INFO] [stdout]     |
[INFO] [stdout] 217 | #![feature(let_chains)]
[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 `thetadb`
[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=2021 --crate-type lib --crate-name thetadb src/lib.rs -o /opt/rustwide/target/doc --error-format=json --json=diagnostic-rendered-ansi,artifacts,future-incompat --document-private-items -C metadata=13c9935d722e3c80 -L dependency=/opt/rustwide/target/debug/deps --extern crc32fast=/opt/rustwide/target/debug/deps/libcrc32fast-d05dcf71c7745728.rmeta --extern libc=/opt/rustwide/target/debug/deps/liblibc-59b333488aae36e8.rmeta --extern thiserror=/opt/rustwide/target/debug/deps/libthiserror-59f3dd42ef6254e9.rmeta --cap-lints=warn --crate-version 0.0.2` (exit status: 1)
[INFO] running `Command { std: "docker" "inspect" "d2ef56da28bb43054175c055a0b8c9e4d0ab9b18b8e1d3b313414ff8c0339219", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "d2ef56da28bb43054175c055a0b8c9e4d0ab9b18b8e1d3b313414ff8c0339219", kill_on_drop: false }`
[INFO] [stdout] d2ef56da28bb43054175c055a0b8c9e4d0ab9b18b8e1d3b313414ff8c0339219
