[INFO] cloning repository https://github.com/tailhook/tokio-tutorial
[INFO] running `Command { std: "git" "-c" "credential.helper=" "-c" "credential.helper=/workspace/cargo-home/bin/git-credential-null" "clone" "--bare" "https://github.com/tailhook/tokio-tutorial" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Ftailhook%2Ftokio-tutorial", kill_on_drop: false }`
[INFO] [stderr] Cloning into bare repository '/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Ftailhook%2Ftokio-tutorial'...
[INFO] running `Command { std: "git" "rev-parse" "HEAD", kill_on_drop: false }`
[INFO] [stdout] 05acb04df8e155312f6b13ffde6896a79a97f84a
[INFO] documenting tailhook/tokio-tutorial/05acb04df8e155312f6b13ffde6896a79a97f84a against master#8afe9ff1caa97654c31fb8c259dac9fdf67d6302 for pr-151918
[INFO] running `Command { std: "git" "clone" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Ftailhook%2Ftokio-tutorial" "/workspace/builds/worker-5-tc1/source", kill_on_drop: false }`
[INFO] [stderr] Cloning into '/workspace/builds/worker-5-tc1/source'...
[INFO] [stderr] done.
[INFO] started tweaking git repo https://github.com/tailhook/tokio-tutorial
[INFO] finished tweaking git repo https://github.com/tailhook/tokio-tutorial
[INFO] tweaked toml for git repo https://github.com/tailhook/tokio-tutorial written to /workspace/builds/worker-5-tc1/source/Cargo.toml
[INFO] validating manifest of git repo https://github.com/tailhook/tokio-tutorial on toolchain 8afe9ff1caa97654c31fb8c259dac9fdf67d6302
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+8afe9ff1caa97654c31fb8c259dac9fdf67d6302" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }`
[INFO] crate git repo https://github.com/tailhook/tokio-tutorial 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" "+8afe9ff1caa97654c31fb8c259dac9fdf67d6302" "fetch" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] [stderr] warning: /workspace/builds/worker-5-tc1/source/competing/Cargo.toml: no edition set: defaulting to the 2015 edition while the latest is 2024
[INFO] [stderr] warning: /workspace/builds/worker-5-tc1/source/redis/Cargo.toml: no edition set: defaulting to the 2015 edition while the latest is 2024
[INFO] [stderr] warning: /workspace/builds/worker-5-tc1/source/bare/Cargo.toml: no edition set: defaulting to the 2015 edition while the latest is 2024
[INFO] [stderr] warning: /workspace/builds/worker-5-tc1/source/stream/Cargo.toml: no edition set: defaulting to the 2015 edition while the latest is 2024
[INFO] [stderr] warning: /workspace/builds/worker-5-tc1/source/threads/Cargo.toml: no edition set: defaulting to the 2015 edition while the latest is 2024
[INFO] [stderr] warning: /workspace/builds/worker-5-tc1/source/redis_bu/Cargo.toml: no edition set: defaulting to the 2015 edition while the latest is 2024
[INFO] [stderr] warning: /workspace/builds/worker-5-tc1/source/core/Cargo.toml: no edition set: defaulting to the 2015 edition while the latest is 2024
[INFO] [stderr]     Updating git repository `https://github.com/tokio-rs/tokio-core`
[INFO] [stderr]     Updating git repository `https://github.com/tokio-rs/tokio-proto`
[INFO] [stderr]     Updating git repository `https://github.com/tokio-rs/tokio-service`
[INFO] [stderr]     Updating git repository `https://github.com/carllerche/bytes`
[INFO] [stderr]     Updating crates.io index
[INFO] [stderr]  Downloading crates ...
[INFO] [stderr]   Downloaded bitflags v0.4.0
[INFO] [stderr]   Downloaded rustc_version v0.1.7
[INFO] [stderr]   Downloaded scoped-tls v0.1.0
[INFO] [stderr]   Downloaded cfg-if v0.1.0
[INFO] [stderr]   Downloaded libc v0.2.17
[INFO] [stderr]   Downloaded thread_local v0.2.7
[INFO] [stderr]   Downloaded smallvec v0.2.1
[INFO] [stderr]   Downloaded miow v0.1.3
[INFO] [stderr]   Downloaded mio v0.6.0
[INFO] [stderr]   Downloaded nix v0.6.0
[INFO] [stderr]   Downloaded futures v0.1.3
[INFO] [stderr]   Downloaded regex-syntax v0.3.8
[INFO] [stderr]   Downloaded take v0.1.0
[INFO] [stderr]   Downloaded lazycell v0.4.0
[INFO] [stderr]   Downloaded net2 v0.2.26
[INFO] [stderr]   Downloaded env_logger v0.3.5
[INFO] [stderr]   Downloaded regex v0.1.79
[INFO] [stderr]   Downloaded semver v0.1.20
[INFO] [stderr]   Downloaded aho-corasick v0.5.3
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-5-tc1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-5-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@sha256:29356a839a4d14451438f794ce8414e707d72405f44418718d724d22562fe786" "/opt/rustwide/cargo-home/bin/cargo" "+8afe9ff1caa97654c31fb8c259dac9fdf67d6302" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] 8bf80df0baac18458ecd4ab720375e800cd7d4bca25c37040fb8c29fa2d88005
[INFO] running `Command { std: "docker" "start" "-a" "8bf80df0baac18458ecd4ab720375e800cd7d4bca25c37040fb8c29fa2d88005", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "8bf80df0baac18458ecd4ab720375e800cd7d4bca25c37040fb8c29fa2d88005", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "8bf80df0baac18458ecd4ab720375e800cd7d4bca25c37040fb8c29fa2d88005", kill_on_drop: false }`
[INFO] [stdout] 8bf80df0baac18458ecd4ab720375e800cd7d4bca25c37040fb8c29fa2d88005
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-5-tc1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-5-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=forbid" "-e" "RUSTDOCFLAGS=--cap-lints=forbid" "-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@sha256:29356a839a4d14451438f794ce8414e707d72405f44418718d724d22562fe786" "/opt/rustwide/cargo-home/bin/cargo" "+8afe9ff1caa97654c31fb8c259dac9fdf67d6302" "doc" "--frozen" "--no-deps" "--document-private-items" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] 6d06cb3f2541d5b4a33089386d073414fb92456ea7660ba6532553ecfe333af5
[INFO] running `Command { std: "docker" "start" "-a" "6d06cb3f2541d5b4a33089386d073414fb92456ea7660ba6532553ecfe333af5", kill_on_drop: false }`
[INFO] [stderr] warning: /opt/rustwide/workdir/redis_bu/Cargo.toml: no edition set: defaulting to the 2015 edition while the latest is 2024
[INFO] [stderr] warning: /opt/rustwide/workdir/stream/Cargo.toml: no edition set: defaulting to the 2015 edition while the latest is 2024
[INFO] [stderr] warning: /opt/rustwide/workdir/bare/Cargo.toml: no edition set: defaulting to the 2015 edition while the latest is 2024
[INFO] [stderr] warning: /opt/rustwide/workdir/redis/Cargo.toml: no edition set: defaulting to the 2015 edition while the latest is 2024
[INFO] [stderr] warning: /opt/rustwide/workdir/core/Cargo.toml: no edition set: defaulting to the 2015 edition while the latest is 2024
[INFO] [stderr] warning: /opt/rustwide/workdir/competing/Cargo.toml: no edition set: defaulting to the 2015 edition while the latest is 2024
[INFO] [stderr] warning: /opt/rustwide/workdir/threads/Cargo.toml: no edition set: defaulting to the 2015 edition while the latest is 2024
[INFO] [stderr] warning: package replacement is not used: https://github.com/rust-lang/crates.io-index#tokio-service@0.1.0
[INFO] [stderr]     Checking libc v0.2.17
[INFO] [stderr]     Checking log v0.3.6
[INFO] [stderr]    Compiling semver v0.1.20
[INFO] [stderr]     Checking cfg-if v0.1.0
[INFO] [stderr]    Compiling winapi-build v0.1.1
[INFO] [stderr]     Checking bitflags v0.4.0
[INFO] [stderr]     Checking winapi v0.2.8
[INFO] [stderr]     Checking slab v0.3.0
[INFO] [stderr]     Checking lazycell v0.4.0
[INFO] [stderr]     Checking scoped-tls v0.1.0
[INFO] [stderr]     Checking byteorder v0.5.3
[INFO] [stderr]     Checking utf8-ranges v0.1.3
[INFO] [stderr]     Checking regex-syntax v0.3.8
[INFO] [stderr]     Checking smallvec v0.2.1
[INFO] [stderr]     Checking take v0.1.0
[INFO] [stderr]    Compiling rustc_version v0.1.7
[INFO] [stderr]    Compiling kernel32-sys v0.2.2
[INFO] [stderr]     Checking futures v0.1.3
[INFO] [stderr]     Checking bytes v0.4.0-dev (https://github.com/carllerche/bytes#d717fde5)
[INFO] [stderr]    Compiling nix v0.6.0
[INFO] [stderr]     Checking net2 v0.2.26
[INFO] [stderr]     Checking thread-id v2.0.0
[INFO] [stderr]     Checking memchr v0.1.11
[INFO] [stderr]     Checking rand v0.3.14
[INFO] [stderr]     Checking thread_local v0.2.7
[INFO] [stderr]     Checking aho-corasick v0.5.3
[INFO] [stderr]     Checking regex v0.1.79
[INFO] [stderr]     Checking tokio-service v0.1.0 (https://github.com/tokio-rs/tokio-service#92eccdc1)
[INFO] [stderr]     Checking tokio-service v0.1.0 (https://github.com/tokio-rs/tokio-service?rev=92eccdc#92eccdc1)
[INFO] [stderr]  Documenting competing v0.1.0 (/opt/rustwide/workdir/competing)
[INFO] [stderr]  Documenting threads v0.1.0 (/opt/rustwide/workdir/threads)
[INFO] [stderr]  Documenting futures1 v0.1.0 (/opt/rustwide/workdir/bare)
[INFO] [stderr]     Checking env_logger v0.3.5
[INFO] [stderr]     Checking mio v0.6.0
[INFO] [stderr]     Checking tokio-core v0.1.0 (https://github.com/tokio-rs/tokio-core?rev=623ce44#623ce443)
[INFO] [stderr]     Checking tokio-proto v0.1.0 (https://github.com/tokio-rs/tokio-proto?rev=ea7bfa2#ea7bfa2a)
[INFO] [stderr]  Documenting stream v0.1.0 (/opt/rustwide/workdir/stream)
[INFO] [stderr]  Documenting core v0.1.0 (/opt/rustwide/workdir/core)
[INFO] [stderr]  Documenting redis v0.1.0 (/opt/rustwide/workdir/redis)
[INFO] [stderr]  Documenting redis_bu v0.1.0 (/opt/rustwide/workdir/redis_bu)
[INFO] [stderr]     Finished `dev` profile [unoptimized + debuginfo] target(s) in 5.94s
[INFO] [stderr] warning: the following packages contain code that will be rejected by a future version of Rust: bitflags v0.4.0
[INFO] [stderr] note: to see what the problems were, use the option `--future-incompat-report`, or run `cargo report future-incompatibilities --id 1`
[INFO] [stderr]    Generated /opt/rustwide/target/doc/competing/index.html and 6 other files
[INFO] running `Command { std: "docker" "inspect" "6d06cb3f2541d5b4a33089386d073414fb92456ea7660ba6532553ecfe333af5", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "6d06cb3f2541d5b4a33089386d073414fb92456ea7660ba6532553ecfe333af5", kill_on_drop: false }`
[INFO] [stdout] 6d06cb3f2541d5b4a33089386d073414fb92456ea7660ba6532553ecfe333af5