[INFO] cloning repository https://github.com/reedobrien/tokio-tutorial-channels
[INFO] running `Command { std: "git" "-c" "credential.helper=" "-c" "credential.helper=/workspace/cargo-home/bin/git-credential-null" "clone" "--bare" "https://github.com/reedobrien/tokio-tutorial-channels" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Freedobrien%2Ftokio-tutorial-channels", kill_on_drop: false }`
[INFO] [stderr] Cloning into bare repository '/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Freedobrien%2Ftokio-tutorial-channels'...
[INFO] running `Command { std: "git" "rev-parse" "HEAD", kill_on_drop: false }`
[INFO] [stdout] 1e09669529e1380746ec91b2ce80425aa843e5f5
[INFO] documenting reedobrien/tokio-tutorial-channels against beta-2026-01-20 for beta-1.94-rustdoc-1
[INFO] running `Command { std: "git" "clone" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Freedobrien%2Ftokio-tutorial-channels" "/workspace/builds/worker-1-tc2/source", kill_on_drop: false }`
[INFO] [stderr] Cloning into '/workspace/builds/worker-1-tc2/source'...
[INFO] [stderr] done.
[INFO] started tweaking git repo https://github.com/reedobrien/tokio-tutorial-channels
[INFO] finished tweaking git repo https://github.com/reedobrien/tokio-tutorial-channels
[INFO] tweaked toml for git repo https://github.com/reedobrien/tokio-tutorial-channels written to /workspace/builds/worker-1-tc2/source/Cargo.toml
[INFO] validating manifest of git repo https://github.com/reedobrien/tokio-tutorial-channels on toolchain beta-2026-01-20
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+beta-2026-01-20" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }`
[INFO] crate git repo https://github.com/reedobrien/tokio-tutorial-channels 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-2026-01-20" "fetch" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-1-tc2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-1-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@sha256:98afbf2d16093dec2546ff8915fddc74e65664aa03fc460b3712b1c2c54a33e4" "/opt/rustwide/cargo-home/bin/cargo" "+beta-2026-01-20" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] bf9b85c9abf2b636d0eead66288c1e56d1688190174f991628a9a4d05f1561cd
[INFO] running `Command { std: "docker" "start" "-a" "bf9b85c9abf2b636d0eead66288c1e56d1688190174f991628a9a4d05f1561cd", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "bf9b85c9abf2b636d0eead66288c1e56d1688190174f991628a9a4d05f1561cd", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "bf9b85c9abf2b636d0eead66288c1e56d1688190174f991628a9a4d05f1561cd", kill_on_drop: false }`
[INFO] [stdout] bf9b85c9abf2b636d0eead66288c1e56d1688190174f991628a9a4d05f1561cd
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-1-tc2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-1-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@sha256:98afbf2d16093dec2546ff8915fddc74e65664aa03fc460b3712b1c2c54a33e4" "/opt/rustwide/cargo-home/bin/cargo" "+beta-2026-01-20" "doc" "--frozen" "--no-deps" "--document-private-items" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] 8838580d70534f36b80bdc3ada7fb773b874d578d8e90a14f08146698b5ee8dd
[INFO] running `Command { std: "docker" "start" "-a" "8838580d70534f36b80bdc3ada7fb773b874d578d8e90a14f08146698b5ee8dd", kill_on_drop: false }`
[INFO] [stderr]    Compiling syn v1.0.58
[INFO] [stderr]    Compiling libc v0.2.82
[INFO] [stderr]    Compiling log v0.4.13
[INFO] [stderr]     Checking pin-project-lite v0.2.4
[INFO] [stderr]    Compiling serde v1.0.120
[INFO] [stderr]     Checking regex-syntax v0.6.22
[INFO] [stderr]    Compiling pin-project-internal v0.4.27
[INFO] [stderr]     Checking tracing-core v0.1.17
[INFO] [stderr]    Compiling proc-macro-error-attr v1.0.4
[INFO] [stderr]    Compiling proc-macro-error v1.0.4
[INFO] [stderr]    Compiling memchr v2.3.4
[INFO] [stderr]    Compiling tokio v1.0.2
[INFO] [stderr]     Checking lock_api v0.4.2
[INFO] [stderr]     Checking unicode-width v0.1.8
[INFO] [stderr]     Checking byteorder v1.4.2
[INFO] [stderr]    Compiling serde_json v1.0.61
[INFO] [stderr]     Checking num-integer v0.1.44
[INFO] [stderr]     Checking textwrap v0.11.0
[INFO] [stderr]     Checking once_cell v1.5.2
[INFO] [stderr]     Checking futures-core v0.3.12
[INFO] [stderr]     Checking itoa v0.4.7
[INFO] [stderr]     Checking thread_local v1.1.0
[INFO] [stderr]     Checking sharded-slab v0.1.1
[INFO] [stderr]     Checking ansi_term v0.12.1
[INFO] [stderr]     Checking atoi v0.3.3
[INFO] [stderr]     Checking tracing-log v0.1.1
[INFO] [stderr]     Checking parking_lot_core v0.8.2
[INFO] [stderr]     Checking num_cpus v1.13.0
[INFO] [stderr]     Checking signal-hook-registry v1.3.0
[INFO] [stderr]     Checking atty v0.2.14
[INFO] [stderr]     Checking time v0.1.44
[INFO] [stderr]     Checking mio v0.7.7
[INFO] [stderr]     Checking clap v2.33.3
[INFO] [stderr]     Checking chrono v0.4.19
[INFO] [stderr]     Checking parking_lot v0.11.1
[INFO] [stderr]     Checking regex-automata v0.1.9
[INFO] [stderr]     Checking regex v1.4.3
[INFO] [stderr]     Checking matchers v0.0.1
[INFO] [stderr]     Checking tracing-serde v0.1.2
[INFO] [stderr]    Compiling tracing-attributes v0.1.11
[INFO] [stderr]    Compiling tokio-macros v1.0.0
[INFO] [stderr]    Compiling async-stream-impl v0.3.0
[INFO] [stderr]    Compiling structopt-derive v0.4.14
[INFO] [stderr]     Checking tracing v0.1.22
[INFO] [stderr]     Checking async-stream v0.3.0
[INFO] [stderr]     Checking tracing-subscriber v0.2.15
[INFO] [stderr]     Checking structopt v0.3.21
[INFO] [stderr]     Checking pin-project v0.4.27
[INFO] [stderr]     Checking tracing-futures v0.2.4
[INFO] [stderr]     Checking tokio-stream v0.1.2
[INFO] [stdout] error[E0538]: malformed `doc` attribute input
[INFO] [stdout]   --> /opt/rustwide/cargo-home/registry/src/index.crates.io-1949cf8c6b5b557f/tokio-stream-0.1.2/src/lib.rs:20:1
[INFO] [stdout]    |
[INFO] [stdout] 20 | / #![doc(test(
[INFO] [stdout] 21 | |     no_crate_inject,
[INFO] [stdout]    | |     --------------- found `no_crate_inject` used as a key more than once
[INFO] [stdout] 22 | |     attr(deny(warnings, rust_2018_idioms), allow(dead_code, unused_variables))
[INFO] [stdout] 23 | | ))]
[INFO] [stdout]    | |___^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] For more information about this error, try `rustc --explain E0538`.
[INFO] [stdout] 
[INFO] [stderr] error: could not compile `tokio-stream` (lib) due to 1 previous error
[INFO] running `Command { std: "docker" "inspect" "8838580d70534f36b80bdc3ada7fb773b874d578d8e90a14f08146698b5ee8dd", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "8838580d70534f36b80bdc3ada7fb773b874d578d8e90a14f08146698b5ee8dd", kill_on_drop: false }`
[INFO] [stdout] 8838580d70534f36b80bdc3ada7fb773b874d578d8e90a14f08146698b5ee8dd
