[INFO] fetching crate immortal-http 0.1.7...
[INFO] documenting immortal-http-0.1.7 against 1.75.0 for beta-1.76-rustdoc-1
[INFO] extracting crate immortal-http 0.1.7 into /workspace/builds/worker-0-tc1/source
[INFO] validating manifest of crates.io crate immortal-http 0.1.7 on toolchain 1.75.0
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+1.75.0" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }`
[INFO] started tweaking crates.io crate immortal-http 0.1.7
[INFO] finished tweaking crates.io crate immortal-http 0.1.7
[INFO] tweaked toml for crates.io crate immortal-http 0.1.7 written to /workspace/builds/worker-0-tc1/source/Cargo.toml
[INFO] crate crates.io crate immortal-http 0.1.7 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" "+1.75.0" "fetch" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] [stderr]     Updating crates.io index
[INFO] [stderr]  Downloading crates ...
[INFO] [stderr]   Downloaded debug_print v1.0.0
[INFO] [stderr]   Downloaded scoped-thread-pool v1.0.4
[INFO] [stderr]   Downloaded variance v0.1.3
[INFO] [stderr]   Downloaded cc v1.0.81
[INFO] [stderr]   Downloaded rustix v0.38.6
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-0-tc1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-0-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" "+1.75.0" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] 3de9329157bd2d225601b3806ad69e2205c86ef3f9d9c584fc659ea5fc5579af
[INFO] running `Command { std: "docker" "start" "-a" "3de9329157bd2d225601b3806ad69e2205c86ef3f9d9c584fc659ea5fc5579af", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "3de9329157bd2d225601b3806ad69e2205c86ef3f9d9c584fc659ea5fc5579af", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "3de9329157bd2d225601b3806ad69e2205c86ef3f9d9c584fc659ea5fc5579af", kill_on_drop: false }`
[INFO] [stdout] 3de9329157bd2d225601b3806ad69e2205c86ef3f9d9c584fc659ea5fc5579af
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-0-tc1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-0-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" "+1.75.0" "doc" "--frozen" "--no-deps" "--document-private-items" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] e1e95aa0905b6cfdab2c3fc0d9ac145337ff7dad8d67a4be443f0db45bda53f9
[INFO] running `Command { std: "docker" "start" "-a" "e1e95aa0905b6cfdab2c3fc0d9ac145337ff7dad8d67a4be443f0db45bda53f9", kill_on_drop: false }`
[INFO] [stderr]    Compiling libc v0.2.147
[INFO] [stderr]    Compiling crossbeam-utils v0.8.16
[INFO] [stderr]    Compiling memoffset v0.9.0
[INFO] [stderr]    Compiling crossbeam-epoch v0.9.15
[INFO] [stderr]    Compiling crossbeam-queue v0.3.8
[INFO] [stderr]    Compiling rustix v0.38.6
[INFO] [stderr]     Checking scopeguard v1.2.0
[INFO] [stderr]    Compiling num-traits v0.2.16
[INFO] [stderr]     Checking bitflags v2.3.3
[INFO] [stderr]     Checking linux-raw-sys v0.4.5
[INFO] [stderr]    Compiling anyhow v1.0.72
[INFO] [stderr]     Checking iana-time-zone v0.1.57
[INFO] [stderr]     Checking variance v0.1.3
[INFO] [stderr]     Checking debug_print v1.0.0
[INFO] [stderr]     Checking crossbeam-channel v0.5.8
[INFO] [stderr]     Checking crossbeam-deque v0.8.3
[INFO] [stderr]     Checking crossbeam v0.8.2
[INFO] [stderr]     Checking getrandom v0.2.10
[INFO] [stderr]     Checking time v0.1.45
[INFO] [stderr]     Checking is-terminal v0.4.9
[INFO] [stderr]     Checking scoped-thread-pool v1.0.4
[INFO] [stderr]     Checking colored v2.0.4
[INFO] [stderr]     Checking rand_core v0.6.4
[INFO] [stderr]     Checking rand_chacha v0.3.1
[INFO] [stderr]     Checking chrono v0.4.26
[INFO] [stderr]     Checking rand v0.8.5
[INFO] [stderr]  Documenting immortal-http v0.1.7 (/opt/rustwide/workdir)
[INFO] [stdout] error[E0554]: `#![feature]` may not be used on the stable release channel
[INFO] [stdout]  --> src/lib.rs:1:12
[INFO] [stdout]   |
[INFO] [stdout] 1 | #![feature(iter_intersperse)]
[INFO] [stdout]   |            ^^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error: aborting due to 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 `immortal-http`
[INFO] [stderr] 
[INFO] [stderr] Caused by:
[INFO] [stderr]   process didn't exit successfully: `/opt/rustwide/rustup-home/toolchains/1.75.0-x86_64-unknown-linux-gnu/bin/rustdoc --edition=2021 --crate-type lib --crate-name immortal_http src/lib.rs -o /opt/rustwide/target/doc --error-format=json --json=diagnostic-rendered-ansi,artifacts,future-incompat --document-private-items -C metadata=91d4b470a9d30811 -L dependency=/opt/rustwide/target/debug/deps --extern anyhow=/opt/rustwide/target/debug/deps/libanyhow-999548557896fa19.rmeta --extern chrono=/opt/rustwide/target/debug/deps/libchrono-f955f9a5742a79f0.rmeta --extern colored=/opt/rustwide/target/debug/deps/libcolored-adf4e7599b38fb50.rmeta --extern debug_print=/opt/rustwide/target/debug/deps/libdebug_print-57c084af23601de7.rmeta --extern lazy_static=/opt/rustwide/target/debug/deps/liblazy_static-e7445b4e8703c20b.rmeta --extern rand=/opt/rustwide/target/debug/deps/librand-d2ddb8b9c8285dd1.rmeta --extern scoped_thread_pool=/opt/rustwide/target/debug/deps/libscoped_thread_pool-99e8299eba644ab9.rmeta --cap-lints=warn --crate-version 0.1.7` (exit status: 1)
[INFO] running `Command { std: "docker" "inspect" "e1e95aa0905b6cfdab2c3fc0d9ac145337ff7dad8d67a4be443f0db45bda53f9", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "e1e95aa0905b6cfdab2c3fc0d9ac145337ff7dad8d67a4be443f0db45bda53f9", kill_on_drop: false }`
[INFO] [stdout] e1e95aa0905b6cfdab2c3fc0d9ac145337ff7dad8d67a4be443f0db45bda53f9
[INFO] documenting immortal-http-0.1.7 against beta-2023-12-22 for beta-1.76-rustdoc-1
[INFO] extracting crate immortal-http 0.1.7 into /workspace/builds/worker-0-tc2/source
[INFO] validating manifest of crates.io crate immortal-http 0.1.7 on toolchain beta-2023-12-22
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+beta-2023-12-22" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }`
[INFO] started tweaking crates.io crate immortal-http 0.1.7
[INFO] finished tweaking crates.io crate immortal-http 0.1.7
[INFO] tweaked toml for crates.io crate immortal-http 0.1.7 written to /workspace/builds/worker-0-tc2/source/Cargo.toml
[INFO] crate crates.io crate immortal-http 0.1.7 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-2023-12-22" "fetch" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-0-tc2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-0-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-2023-12-22" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] 8c641ae1ea2b5cfe8045e3458abcf5c5473392ce909e5a231927be24215b6a10
[INFO] running `Command { std: "docker" "start" "-a" "8c641ae1ea2b5cfe8045e3458abcf5c5473392ce909e5a231927be24215b6a10", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "8c641ae1ea2b5cfe8045e3458abcf5c5473392ce909e5a231927be24215b6a10", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "8c641ae1ea2b5cfe8045e3458abcf5c5473392ce909e5a231927be24215b6a10", kill_on_drop: false }`
[INFO] [stdout] 8c641ae1ea2b5cfe8045e3458abcf5c5473392ce909e5a231927be24215b6a10
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-0-tc2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-0-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-2023-12-22" "doc" "--frozen" "--no-deps" "--document-private-items" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] 15eda3e0f3ffcdc613477f246b435da80e148d82b43c632a3c7311fd98209272
[INFO] running `Command { std: "docker" "start" "-a" "15eda3e0f3ffcdc613477f246b435da80e148d82b43c632a3c7311fd98209272", kill_on_drop: false }`
[INFO] [stderr]    Compiling crossbeam-utils v0.8.16
[INFO] [stderr]    Compiling libc v0.2.147
[INFO] [stderr]    Compiling memoffset v0.9.0
[INFO] [stderr]    Compiling crossbeam-epoch v0.9.15
[INFO] [stderr]    Compiling rustix v0.38.6
[INFO] [stderr]     Checking scopeguard v1.2.0
[INFO] [stderr]    Compiling crossbeam-queue v0.3.8
[INFO] [stderr]    Compiling num-traits v0.2.16
[INFO] [stderr]     Checking bitflags v2.3.3
[INFO] [stderr]     Checking linux-raw-sys v0.4.5
[INFO] [stderr]    Compiling anyhow v1.0.72
[INFO] [stderr]     Checking iana-time-zone v0.1.57
[INFO] [stderr]     Checking variance v0.1.3
[INFO] [stderr]     Checking debug_print v1.0.0
[INFO] [stderr]     Checking crossbeam-channel v0.5.8
[INFO] [stderr]     Checking crossbeam-deque v0.8.3
[INFO] [stderr]     Checking crossbeam v0.8.2
[INFO] [stderr]     Checking scoped-thread-pool v1.0.4
[INFO] [stderr]     Checking getrandom v0.2.10
[INFO] [stderr]     Checking time v0.1.45
[INFO] [stderr]     Checking is-terminal v0.4.9
[INFO] [stderr]     Checking rand_core v0.6.4
[INFO] [stderr]     Checking colored v2.0.4
[INFO] [stderr]     Checking rand_chacha v0.3.1
[INFO] [stderr]     Checking chrono v0.4.26
[INFO] [stderr]     Checking rand v0.8.5
[INFO] [stderr]  Documenting immortal-http v0.1.7 (/opt/rustwide/workdir)
[INFO] [stdout] error[E0554]: `#![feature]` may not be used on the beta release channel
[INFO] [stdout]  --> src/lib.rs:1:12
[INFO] [stdout]   |
[INFO] [stdout] 1 | #![feature(iter_intersperse)]
[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 `immortal-http`
[INFO] [stderr] 
[INFO] [stderr] Caused by:
[INFO] [stderr]   process didn't exit successfully: `/opt/rustwide/rustup-home/toolchains/beta-2023-12-22-x86_64-unknown-linux-gnu/bin/rustdoc --edition=2021 --crate-type lib --crate-name immortal_http src/lib.rs -o /opt/rustwide/target/doc --error-format=json --json=diagnostic-rendered-ansi,artifacts,future-incompat --document-private-items -C metadata=17dff44d742a5bbd -L dependency=/opt/rustwide/target/debug/deps --extern anyhow=/opt/rustwide/target/debug/deps/libanyhow-b10f737d22a424ed.rmeta --extern chrono=/opt/rustwide/target/debug/deps/libchrono-a98ed69ac4f5996c.rmeta --extern colored=/opt/rustwide/target/debug/deps/libcolored-2e1784b7b387537b.rmeta --extern debug_print=/opt/rustwide/target/debug/deps/libdebug_print-ab3c9956a32fcd39.rmeta --extern lazy_static=/opt/rustwide/target/debug/deps/liblazy_static-cc91e7c9c894213a.rmeta --extern rand=/opt/rustwide/target/debug/deps/librand-a6058cc182cf5feb.rmeta --extern scoped_thread_pool=/opt/rustwide/target/debug/deps/libscoped_thread_pool-0a4244d62b47ba15.rmeta --cap-lints=warn --crate-version 0.1.7` (exit status: 1)
[INFO] running `Command { std: "docker" "inspect" "15eda3e0f3ffcdc613477f246b435da80e148d82b43c632a3c7311fd98209272", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "15eda3e0f3ffcdc613477f246b435da80e148d82b43c632a3c7311fd98209272", kill_on_drop: false }`
[INFO] [stdout] 15eda3e0f3ffcdc613477f246b435da80e148d82b43c632a3c7311fd98209272
