[INFO] fetching crate trillium-send-file 0.1.0...
[INFO] documenting trillium-send-file-0.1.0 against beta-2022-05-20 for beta-1.62-rustdoc-1
[INFO] extracting crate trillium-send-file 0.1.0 into /workspace/builds/worker-27/source
[INFO] validating manifest of crates.io crate trillium-send-file 0.1.0 on toolchain beta-2022-05-20
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+beta-2022-05-20" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }`
[INFO] started tweaking crates.io crate trillium-send-file 0.1.0
[INFO] finished tweaking crates.io crate trillium-send-file 0.1.0
[INFO] tweaked toml for crates.io crate trillium-send-file 0.1.0 written to /workspace/builds/worker-27/source/Cargo.toml
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+beta-2022-05-20" "generate-lockfile" "--manifest-path" "Cargo.toml" "-Zno-index-update", kill_on_drop: false }`
[INFO] [stderr]     Blocking waiting for file lock on package cache
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+beta-2022-05-20" "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] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-27/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-27/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:d190cb871061d98bc6d0581d85cb2ecb09a0f8a142ba5463de30be9999fc3251" "/opt/rustwide/cargo-home/bin/cargo" "+beta-2022-05-20" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] aada68fc55ebf5089df25f7f1add09e89ee745c065f672b0266207e980797031
[INFO] running `Command { std: "docker" "start" "-a" "aada68fc55ebf5089df25f7f1add09e89ee745c065f672b0266207e980797031", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "aada68fc55ebf5089df25f7f1add09e89ee745c065f672b0266207e980797031", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "aada68fc55ebf5089df25f7f1add09e89ee745c065f672b0266207e980797031", kill_on_drop: false }`
[INFO] [stdout] aada68fc55ebf5089df25f7f1add09e89ee745c065f672b0266207e980797031
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-27/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-27/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" "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:d190cb871061d98bc6d0581d85cb2ecb09a0f8a142ba5463de30be9999fc3251" "/opt/rustwide/cargo-home/bin/cargo" "+beta-2022-05-20" "doc" "--frozen" "--no-deps" "--document-private-items" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] 31e9dbd84af6c64fa08dc020d380fa74369a48903fe8ef169dfb20b64b1d2fbd
[INFO] running `Command { std: "docker" "start" "-a" "31e9dbd84af6c64fa08dc020d380fa74369a48903fe8ef169dfb20b64b1d2fbd", kill_on_drop: false }`
[INFO] [stderr]    Compiling version_check v0.9.4
[INFO] [stderr]    Compiling proc-macro2 v1.0.39
[INFO] [stderr]    Compiling unicode-ident v1.0.0
[INFO] [stderr]    Compiling syn v1.0.95
[INFO] [stderr]     Checking cfg-if v1.0.0
[INFO] [stderr]    Compiling libc v0.2.126
[INFO] [stderr]    Compiling futures-core v0.3.21
[INFO] [stderr]    Compiling autocfg v1.1.0
[INFO] [stderr]    Compiling memchr v2.5.0
[INFO] [stderr]    Compiling crossbeam-utils v0.8.8
[INFO] [stderr]     Checking lazy_static v1.4.0
[INFO] [stderr]     Checking waker-fn v1.1.0
[INFO] [stderr]     Checking futures-io v0.3.21
[INFO] [stderr]     Checking once_cell v1.12.0
[INFO] [stderr]     Checking static_assertions v1.1.0
[INFO] [stderr]     Checking parking v2.0.0
[INFO] [stderr]     Checking slab v0.4.6
[INFO] [stderr]    Compiling httparse v1.7.1
[INFO] [stderr]     Checking pin-project-lite v0.2.9
[INFO] [stderr]     Checking fastrand v1.7.0
[INFO] [stderr]    Compiling encoding_rs v0.8.31
[INFO] [stderr]    Compiling log v0.4.17
[INFO] [stderr]    Compiling async-trait v0.1.53
[INFO] [stderr]     Checking mime v0.3.16
[INFO] [stderr]     Checking smallvec v1.8.0
[INFO] [stderr]     Checking httpdate v1.0.2
[INFO] [stderr]     Checking memmem v0.1.1
[INFO] [stderr]    Compiling unicase v2.6.0
[INFO] [stderr]    Compiling ahash v0.7.6
[INFO] [stderr]    Compiling smartstring v1.0.1
[INFO] [stderr]     Checking waker-set v0.2.0
[INFO] [stderr]     Checking futures-lite v1.12.0
[INFO] [stderr]    Compiling quote v1.0.18
[INFO] [stderr]     Checking getrandom v0.2.6
[INFO] [stderr]     Checking smartcow v0.2.0
[INFO] [stderr]    Compiling mime_guess v2.0.4
[INFO] [stderr]     Checking hashbrown v0.12.1
[INFO] [stderr]    Compiling pin-project-internal v1.0.10
[INFO] [stderr]    Compiling thiserror-impl v1.0.31
[INFO] [stderr]     Checking pin-project v1.0.10
[INFO] [stderr]     Checking stopper v0.2.0
[INFO] [stderr]     Checking thiserror v1.0.31
[INFO] [stderr]     Checking trillium-http v0.2.7
[INFO] [stderr]     Checking trillium v0.2.2
[INFO] [stderr]  Documenting trillium-send-file v0.1.0 (/opt/rustwide/workdir)
[INFO] [stdout] error: trillium-send-file:
[INFO] [stdout]        You must enable one of the two runtime feature flags
[INFO] [stdout]        to use this crate:
[INFO] [stdout]        * async-std
[INFO] [stdout]        * smol
[INFO] [stdout]        This is a temporary constraint, and hopefully soon this
[INFO] [stdout]        will not require the use of cargo feature flags.
[INFO] [stdout]   --> src/lib.rs:48:9
[INFO] [stdout]    |
[INFO] [stdout] 48 | /         compile_error!("trillium-send-file:
[INFO] [stdout] 49 | | You must enable one of the two runtime feature flags
[INFO] [stdout] 50 | | to use this crate:
[INFO] [stdout] 51 | | * async-std
[INFO] [stdout] ...  |
[INFO] [stdout] 54 | | will not require the use of cargo feature flags."
[INFO] [stdout] 55 | | );
[INFO] [stdout]    | |_^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error: Compilation failed, aborting rustdoc
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error: aborting due to 2 previous errors
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr] error: could not document `trillium-send-file`
[INFO] [stderr] 
[INFO] [stderr] Caused by:
[INFO] [stderr]   process didn't exit successfully: `rustdoc --edition=2018 --crate-type lib --crate-name trillium_send_file src/lib.rs -o /opt/rustwide/target/doc --cfg 'feature="default"' --error-format=json --json=diagnostic-rendered-ansi,artifacts,future-incompat --document-private-items -C metadata=1cb70a97c83bb0b8 -L dependency=/opt/rustwide/target/debug/deps --extern cfg_if=/opt/rustwide/target/debug/deps/libcfg_if-483f5a2788925099.rmeta --extern futures_lite=/opt/rustwide/target/debug/deps/libfutures_lite-177da3cebb1a289f.rmeta --extern log=/opt/rustwide/target/debug/deps/liblog-0b61054b794719d9.rmeta --extern mime_guess=/opt/rustwide/target/debug/deps/libmime_guess-b83f910670c0da4e.rmeta --extern trillium=/opt/rustwide/target/debug/deps/libtrillium-ec6d7c5c7c310e78.rmeta --cap-lints=warn --crate-version 0.1.0` (exit status: 1)
[INFO] running `Command { std: "docker" "inspect" "31e9dbd84af6c64fa08dc020d380fa74369a48903fe8ef169dfb20b64b1d2fbd", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "31e9dbd84af6c64fa08dc020d380fa74369a48903fe8ef169dfb20b64b1d2fbd", kill_on_drop: false }`
[INFO] [stdout] 31e9dbd84af6c64fa08dc020d380fa74369a48903fe8ef169dfb20b64b1d2fbd