[INFO] cloning repository https://github.com/tfc/rust_async_http_code_experiment
[INFO] running `Command { std: "git" "-c" "credential.helper=" "-c" "credential.helper=/workspace/cargo-home/bin/git-credential-null" "clone" "--bare" "https://github.com/tfc/rust_async_http_code_experiment" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Ftfc%2Frust_async_http_code_experiment", kill_on_drop: false }`
[INFO] [stderr] Cloning into bare repository '/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Ftfc%2Frust_async_http_code_experiment'...
[INFO] running `Command { std: "git" "rev-parse" "HEAD", kill_on_drop: false }`
[INFO] [stdout] f617a8df6891af07198c4cbf126c47125db05598
[INFO] documenting tfc/rust_async_http_code_experiment against beta-2026-04-21 for beta-1.96-rustdoc-1
[INFO] running `Command { std: "git" "clone" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Ftfc%2Frust_async_http_code_experiment" "/workspace/builds/worker-5-tc2/source", kill_on_drop: false }`
[INFO] [stderr] Cloning into '/workspace/builds/worker-5-tc2/source'...
[INFO] [stderr] done.
[INFO] started tweaking git repo https://github.com/tfc/rust_async_http_code_experiment
[INFO] finished tweaking git repo https://github.com/tfc/rust_async_http_code_experiment
[INFO] tweaked toml for git repo https://github.com/tfc/rust_async_http_code_experiment written to /workspace/builds/worker-5-tc2/source/Cargo.toml
[INFO] validating manifest of git repo https://github.com/tfc/rust_async_http_code_experiment on toolchain beta-2026-04-21
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+beta-2026-04-21" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }`
[INFO] crate git repo https://github.com/tfc/rust_async_http_code_experiment 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-2026-04-21" "fetch" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] [stderr]     Blocking waiting for file lock on package cache
[INFO] [stderr]     Updating crates.io index
[INFO] [stderr]     Blocking waiting for file lock on package cache
[ERROR] error running command: no output for 300 seconds
[INFO] documenting tfc/rust_async_http_code_experiment against beta-2026-04-21 for beta-1.96-rustdoc-1
[INFO] running `Command { std: "git" "clone" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Ftfc%2Frust_async_http_code_experiment" "/workspace/builds/worker-5-tc2/source", kill_on_drop: false }`
[INFO] [stderr] Cloning into '/workspace/builds/worker-5-tc2/source'...
[INFO] [stderr] done.
[INFO] started tweaking git repo https://github.com/tfc/rust_async_http_code_experiment
[INFO] finished tweaking git repo https://github.com/tfc/rust_async_http_code_experiment
[INFO] tweaked toml for git repo https://github.com/tfc/rust_async_http_code_experiment written to /workspace/builds/worker-5-tc2/source/Cargo.toml
[INFO] validating manifest of git repo https://github.com/tfc/rust_async_http_code_experiment on toolchain beta-2026-04-21
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+beta-2026-04-21" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }`
[INFO] crate git repo https://github.com/tfc/rust_async_http_code_experiment 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-2026-04-21" "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 spmc v0.3.0
[INFO] [stderr]   Downloaded is_type v0.2.1
[INFO] [stderr]   Downloaded openssl-sys v0.9.98
[INFO] [stderr]   Downloaded openssl v0.10.62
[INFO] [stderr]   Downloaded syn v2.0.47
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-5-tc2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-5-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:d429b63d4308055ea97f60fb1d3dfca48854a00942f1bd2ad806beaf015945ec" "/opt/rustwide/cargo-home/bin/cargo" "+beta-2026-04-21" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] 3e945e4587487a9af0615bf7fe3b392ecf34f40b439d388465fa8e14b3dae27d
[INFO] running `Command { std: "docker" "start" "-a" "3e945e4587487a9af0615bf7fe3b392ecf34f40b439d388465fa8e14b3dae27d", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "3e945e4587487a9af0615bf7fe3b392ecf34f40b439d388465fa8e14b3dae27d", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "3e945e4587487a9af0615bf7fe3b392ecf34f40b439d388465fa8e14b3dae27d", kill_on_drop: false }`
[INFO] [stdout] 3e945e4587487a9af0615bf7fe3b392ecf34f40b439d388465fa8e14b3dae27d
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-5-tc2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-5-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:d429b63d4308055ea97f60fb1d3dfca48854a00942f1bd2ad806beaf015945ec" "/opt/rustwide/cargo-home/bin/cargo" "+beta-2026-04-21" "doc" "--frozen" "--no-deps" "--document-private-items" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] 3febb179345f3cebdcee5e5d6dfe64f830bdbf20ebbfe0349abce425b9da76f4
[INFO] running `Command { std: "docker" "start" "-a" "3febb179345f3cebdcee5e5d6dfe64f830bdbf20ebbfe0349abce425b9da76f4", kill_on_drop: false }`
[INFO] [stderr]    Compiling proc-macro2 v1.0.75
[INFO] [stderr]     Checking futures-core v0.3.30
[INFO] [stderr]     Checking signal-hook-registry v1.4.1
[INFO] [stderr]     Checking parking_lot_core v0.9.9
[INFO] [stderr]     Checking socket2 v0.5.5
[INFO] [stderr]    Compiling openssl-sys v0.9.98
[INFO] [stderr]     Checking mio v0.8.10
[INFO] [stderr]     Checking tracing-core v0.1.32
[INFO] [stderr]    Compiling crossbeam-utils v0.8.18
[INFO] [stderr]     Checking parking_lot v0.12.1
[INFO] [stderr]    Compiling openssl v0.10.62
[INFO] [stderr]     Checking tracing v0.1.40
[INFO] [stderr]     Checking http v0.2.11
[INFO] [stderr]     Checking futures-task v0.3.30
[INFO] [stderr]     Checking futures-sink v0.3.30
[INFO] [stderr]     Checking bitflags v2.4.1
[INFO] [stderr]     Checking futures-io v0.3.30
[INFO] [stderr]     Checking memchr v2.7.1
[INFO] [stderr]    Compiling native-tls v0.2.11
[INFO] [stderr]    Compiling serde v1.0.194
[INFO] [stderr]     Checking futures-channel v0.3.30
[INFO] [stderr]     Checking parking v2.2.0
[INFO] [stderr]     Checking concurrent-queue v2.4.0
[INFO] [stderr]     Checking encoding_rs v0.8.33
[INFO] [stderr]     Checking event-listener v4.0.2
[INFO] [stderr]     Checking ipnet v2.9.0
[INFO] [stderr]    Compiling quote v1.0.35
[INFO] [stderr]     Checking futures-util v0.3.30
[INFO] [stderr]     Checking http-body v0.4.6
[INFO] [stderr]     Checking event-listener-strategy v0.4.0
[INFO] [stderr]     Checking is_type v0.2.1
[INFO] [stderr]    Compiling syn v2.0.47
[INFO] [stderr]     Checking async-channel v2.1.1
[INFO] [stderr]     Checking spmc v0.3.0
[INFO] [stderr]     Checking serde_urlencoded v0.7.1
[INFO] [stderr]    Compiling tokio-macros v2.2.0
[INFO] [stderr]    Compiling openssl-macros v0.1.1
[INFO] [stderr]     Checking tokio v1.35.1
[INFO] [stderr]     Checking tokio-util v0.7.10
[INFO] [stderr]     Checking tokio-native-tls v0.3.1
[INFO] [stderr]     Checking h2 v0.3.22
[INFO] [stderr]     Checking hyper v0.14.28
[INFO] [stderr]     Checking hyper-tls v0.5.0
[INFO] [stderr]     Checking reqwest v0.11.23
[INFO] [stderr]  Documenting httpstatus v0.1.0 (/opt/rustwide/workdir)
[INFO] [stderr]     Finished `dev` profile [unoptimized + debuginfo] target(s) in 12.55s
[INFO] [stderr]    Generated /opt/rustwide/target/doc/httpstatus/index.html
[INFO] running `Command { std: "docker" "inspect" "3febb179345f3cebdcee5e5d6dfe64f830bdbf20ebbfe0349abce425b9da76f4", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "3febb179345f3cebdcee5e5d6dfe64f830bdbf20ebbfe0349abce425b9da76f4", kill_on_drop: false }`
[INFO] [stdout] 3febb179345f3cebdcee5e5d6dfe64f830bdbf20ebbfe0349abce425b9da76f4