[INFO] fetching crate tunnelto 0.1.12...
[INFO] documenting tunnelto-0.1.12 against beta-2020-08-29 for beta-1.47-rustdoc-1
[INFO] extracting crate tunnelto 0.1.12 into /workspace/builds/worker-14/source
[INFO] validating manifest of crates.io crate tunnelto 0.1.12 on toolchain beta-2020-08-29
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+beta-2020-08-29" "read-manifest" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] started tweaking crates.io crate tunnelto 0.1.12
[INFO] finished tweaking crates.io crate tunnelto 0.1.12
[INFO] tweaked toml for crates.io crate tunnelto 0.1.12 written to /workspace/builds/worker-14/source/Cargo.toml
[INFO] crate crates.io crate tunnelto 0.1.12 already has a lockfile, it will not be regenerated
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+beta-2020-08-29" "fetch" "--locked" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] [stderr]  Downloading crates ...
[INFO] [stderr]   Downloaded tunnelto_lib v0.1.10
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-14/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-14/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" "rustops/crates-build-env@sha256:d92eaeed33fa75130ca1ee6c8a01d1ffb62bac859dfdfb3450e3e5d1c0146529" "/opt/rustwide/cargo-home/bin/cargo" "+beta-2020-08-29" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] 9d5387ac85e5717149e39eb8e3e72ed5b4f23f2701c17e93bcb5cb2478ccab9b
[INFO] [stderr] WARNING: Your kernel does not support swap limit capabilities or the cgroup is not mounted. Memory limited without swap.
[INFO] running `Command { std: "docker" "start" "-a" "9d5387ac85e5717149e39eb8e3e72ed5b4f23f2701c17e93bcb5cb2478ccab9b", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "9d5387ac85e5717149e39eb8e3e72ed5b4f23f2701c17e93bcb5cb2478ccab9b", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "9d5387ac85e5717149e39eb8e3e72ed5b4f23f2701c17e93bcb5cb2478ccab9b", kill_on_drop: false }`
[INFO] [stdout] 9d5387ac85e5717149e39eb8e3e72ed5b4f23f2701c17e93bcb5cb2478ccab9b
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-14/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-14/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" "rustops/crates-build-env@sha256:d92eaeed33fa75130ca1ee6c8a01d1ffb62bac859dfdfb3450e3e5d1c0146529" "/opt/rustwide/cargo-home/bin/cargo" "+beta-2020-08-29" "doc" "--frozen" "--no-deps" "--document-private-items" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] e59a495c7b06d872c6f1f1d469dd2750b3a2621a4b61dd67947a3980d9419fc9
[INFO] [stderr] WARNING: Your kernel does not support swap limit capabilities or the cgroup is not mounted. Memory limited without swap.
[INFO] running `Command { std: "docker" "start" "-a" "e59a495c7b06d872c6f1f1d469dd2750b3a2621a4b61dd67947a3980d9419fc9", kill_on_drop: false }`
[INFO] [stderr]    Compiling syn v1.0.35
[INFO] [stderr]    Compiling askama_escape v0.3.0
[INFO] [stderr]     Checking input_buffer v0.3.1
[INFO] [stderr]     Checking tracing v0.1.17
[INFO] [stderr]     Checking iovec v0.1.4
[INFO] [stderr]     Checking signal-hook-registry v1.2.0
[INFO] [stderr]     Checking atty v0.2.14
[INFO] [stderr]     Checking termios v0.3.2
[INFO] [stderr]     Checking terminal_size v0.1.13
[INFO] [stderr]     Checking socket2 v0.3.12
[INFO] [stderr]     Checking dirs-sys v0.3.5
[INFO] [stderr]    Compiling rand_os v0.1.3
[INFO] [stderr]     Checking buf_redux v0.8.4
[INFO] [stderr]     Checking openssl-sys v0.9.58
[INFO] [stderr]    Compiling num-traits v0.2.12
[INFO] [stderr]     Checking hashbrown v0.8.1
[INFO] [stderr]     Checking rand v0.6.5
[INFO] [stderr]     Checking clap v2.33.1
[INFO] [stderr]     Checking colored v1.9.3
[INFO] [stderr]     Checking dirs v2.0.2
[INFO] [stderr]     Checking env_logger v0.7.1
[INFO] [stderr]     Checking console v0.11.3
[INFO] [stderr]     Checking chrono v0.4.13
[INFO] [stderr]     Checking headers v0.3.2
[INFO] [stderr]     Checking mio v0.6.22
[INFO] [stderr]     Checking pretty_env_logger v0.4.0
[INFO] [stderr]     Checking openssl v0.10.30
[INFO] [stderr]     Checking indicatif v0.15.0
[INFO] [stderr]     Checking indexmap v1.5.0
[INFO] [stderr]     Checking mio-uds v0.6.8
[INFO] [stderr]    Compiling phf_generator v0.7.24
[INFO] [stderr]    Compiling phf_codegen v0.7.24
[INFO] [stderr]    Compiling mime_guess v1.8.8
[INFO] [stderr]     Checking multipart v0.16.1
[INFO] [stderr]     Checking native-tls v0.2.4
[INFO] [stderr]     Checking tungstenite v0.10.1
[INFO] [stderr]    Compiling syn-mid v0.5.0
[INFO] [stderr]    Compiling serde_derive v1.0.114
[INFO] [stderr]    Compiling pin-project-internal v0.4.22
[INFO] [stderr]    Compiling futures-macro v0.3.5
[INFO] [stderr]    Compiling tokio-macros v0.2.5
[INFO] [stderr]    Compiling proc-macro-error-attr v1.0.3
[INFO] [stderr]    Compiling thiserror-impl v1.0.20
[INFO] [stderr]    Compiling proc-macro-error v1.0.3
[INFO] [stderr]     Checking tokio v0.2.22
[INFO] [stderr]    Compiling structopt-derive v0.4.8
[INFO] [stderr]     Checking thiserror v1.0.20
[INFO] [stderr]     Checking pin-project v0.4.22
[INFO] [stderr]     Checking futures-util v0.3.5
[INFO] [stderr]     Checking tracing-futures v0.2.4
[INFO] [stderr]     Checking structopt v0.3.15
[INFO] [stderr]     Checking tokio-util v0.3.1
[INFO] [stderr]     Checking tokio-tls v0.3.1
[INFO] [stderr]     Checking serde v1.0.114
[INFO] [stderr]     Checking futures-executor v0.3.5
[INFO] [stderr]     Checking h2 v0.2.6
[INFO] [stderr]     Checking futures v0.3.5
[INFO] [stderr]     Checking tokio-tungstenite v0.10.1
[INFO] [stderr]     Checking serde_json v1.0.56
[INFO] [stderr]     Checking toml v0.5.6
[INFO] [stderr]     Checking uuid v0.8.1
[INFO] [stderr]     Checking serde_urlencoded v0.6.1
[INFO] [stderr]     Checking tunnelto_lib v0.1.10
[INFO] [stderr]     Checking askama_shared v0.9.1
[INFO] [stderr]     Checking human-panic v1.0.3
[INFO] [stderr]     Checking hyper v0.13.7
[INFO] [stderr]    Compiling askama_derive v0.9.0
[INFO] [stderr]     Checking warp v0.2.4
[INFO] [stderr]     Checking askama v0.9.0
[INFO] [stderr]  Documenting tunnelto v0.1.12 (/opt/rustwide/workdir)
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 1m 35s
[INFO] running `Command { std: "docker" "inspect" "e59a495c7b06d872c6f1f1d469dd2750b3a2621a4b61dd67947a3980d9419fc9", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "e59a495c7b06d872c6f1f1d469dd2750b3a2621a4b61dd67947a3980d9419fc9", kill_on_drop: false }`
[INFO] [stdout] e59a495c7b06d872c6f1f1d469dd2750b3a2621a4b61dd67947a3980d9419fc9