[INFO] fetching crate smt2 0.2.0...
[INFO] documenting smt2-0.2.0 against 1.76.0 for beta-1.77-rustdoc-1
[INFO] extracting crate smt2 0.2.0 into /workspace/builds/worker-3-tc1/source
[INFO] validating manifest of crates.io crate smt2 0.2.0 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 smt2 0.2.0
[INFO] finished tweaking crates.io crate smt2 0.2.0
[INFO] tweaked toml for crates.io crate smt2 0.2.0 written to /workspace/builds/worker-3-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] [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 source-span v2.7.0
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-3-tc1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-3-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] 2a60f619dfb32380745511fa0f144ae94e0f6815f9c0ccd41c6e1b61f8f1e295
[INFO] running `Command { std: "docker" "start" "-a" "2a60f619dfb32380745511fa0f144ae94e0f6815f9c0ccd41c6e1b61f8f1e295", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "2a60f619dfb32380745511fa0f144ae94e0f6815f9c0ccd41c6e1b61f8f1e295", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "2a60f619dfb32380745511fa0f144ae94e0f6815f9c0ccd41c6e1b61f8f1e295", kill_on_drop: false }`
[INFO] [stdout] 2a60f619dfb32380745511fa0f144ae94e0f6815f9c0ccd41c6e1b61f8f1e295
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-3-tc1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-3-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] 05bcb0f5ef4b45d5694694f533eb4fc61b9e4ac78ecb003790e013583f891c37
[INFO] running `Command { std: "docker" "start" "-a" "05bcb0f5ef4b45d5694694f533eb4fc61b9e4ac78ecb003790e013583f891c37", kill_on_drop: false }`
[INFO] [stderr]     Checking numtoa v0.1.0
[INFO] [stderr]     Checking utf8-decode v1.0.1
[INFO] [stderr]     Checking termion v1.5.6
[INFO] [stderr]     Checking source-span v2.7.0
[INFO] [stderr]  Documenting smt2 v0.2.0 (/opt/rustwide/workdir)
[INFO] [stdout] error[E0554]: `#![feature]` may not be used on the stable release channel
[INFO] [stdout]  --> src/lib.rs:1:1
[INFO] [stdout]   |
[INFO] [stdout] 1 | #![feature(trait_alias)]
[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 `smt2`
[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 smt2 src/lib.rs -o /opt/rustwide/target/doc --error-format=json --json=diagnostic-rendered-ansi,artifacts,future-incompat --document-private-items -C metadata=1e58484ef6522d5d -L dependency=/opt/rustwide/target/debug/deps --extern source_span=/opt/rustwide/target/debug/deps/libsource_span-f3b3ca7b8f0560a5.rmeta --extern utf8_decode=/opt/rustwide/target/debug/deps/libutf8_decode-520f6fae078e54ca.rmeta --cap-lints=warn --crate-version 0.2.0` (exit status: 1)
[INFO] running `Command { std: "docker" "inspect" "05bcb0f5ef4b45d5694694f533eb4fc61b9e4ac78ecb003790e013583f891c37", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "05bcb0f5ef4b45d5694694f533eb4fc61b9e4ac78ecb003790e013583f891c37", kill_on_drop: false }`
[INFO] [stdout] 05bcb0f5ef4b45d5694694f533eb4fc61b9e4ac78ecb003790e013583f891c37
[INFO] documenting smt2-0.2.0 against beta-2024-02-10 for beta-1.77-rustdoc-1
[INFO] extracting crate smt2 0.2.0 into /workspace/builds/worker-3-tc2/source
[INFO] validating manifest of crates.io crate smt2 0.2.0 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 smt2 0.2.0
[INFO] finished tweaking crates.io crate smt2 0.2.0
[INFO] tweaked toml for crates.io crate smt2 0.2.0 written to /workspace/builds/worker-3-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-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] 333e3712e6216452a6baa179ad9e5a7279c70a74e8d51e3e81c8321015baee3c
[INFO] running `Command { std: "docker" "start" "-a" "333e3712e6216452a6baa179ad9e5a7279c70a74e8d51e3e81c8321015baee3c", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "333e3712e6216452a6baa179ad9e5a7279c70a74e8d51e3e81c8321015baee3c", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "333e3712e6216452a6baa179ad9e5a7279c70a74e8d51e3e81c8321015baee3c", kill_on_drop: false }`
[INFO] [stdout] 333e3712e6216452a6baa179ad9e5a7279c70a74e8d51e3e81c8321015baee3c
[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] 3a0b2a231197b6b0b5c854a9f531229bfa9c99c46c7fde5cf12def9ca1bfad59
[INFO] running `Command { std: "docker" "start" "-a" "3a0b2a231197b6b0b5c854a9f531229bfa9c99c46c7fde5cf12def9ca1bfad59", kill_on_drop: false }`
[INFO] [stderr]     Checking numtoa v0.1.0
[INFO] [stderr]     Checking utf8-decode v1.0.1
[INFO] [stderr]     Checking termion v1.5.6
[INFO] [stderr]     Checking source-span v2.7.0
[INFO] [stderr]  Documenting smt2 v0.2.0 (/opt/rustwide/workdir)
[INFO] [stdout] error[E0554]: `#![feature]` may not be used on the beta release channel
[INFO] [stdout]  --> src/lib.rs:1:1
[INFO] [stdout]   |
[INFO] [stdout] 1 | #![feature(trait_alias)]
[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 `smt2`
[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 smt2 src/lib.rs -o /opt/rustwide/target/doc --error-format=json --json=diagnostic-rendered-ansi,artifacts,future-incompat --document-private-items -C metadata=392d87ef8d5b49c2 -L dependency=/opt/rustwide/target/debug/deps --extern source_span=/opt/rustwide/target/debug/deps/libsource_span-8b743cb25a87c8c5.rmeta --extern utf8_decode=/opt/rustwide/target/debug/deps/libutf8_decode-c1e5f2a5236d0563.rmeta --cap-lints=warn --crate-version 0.2.0` (exit status: 1)
[INFO] running `Command { std: "docker" "inspect" "3a0b2a231197b6b0b5c854a9f531229bfa9c99c46c7fde5cf12def9ca1bfad59", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "3a0b2a231197b6b0b5c854a9f531229bfa9c99c46c7fde5cf12def9ca1bfad59", kill_on_drop: false }`
[INFO] [stdout] 3a0b2a231197b6b0b5c854a9f531229bfa9c99c46c7fde5cf12def9ca1bfad59
