[INFO] fetching crate nettfiske 0.2.4...
[INFO] documenting nettfiske-0.2.4 against beta-2020-08-29 for beta-1.47-rustdoc-1
[INFO] extracting crate nettfiske 0.2.4 into /workspace/builds/worker-3/source
[INFO] validating manifest of crates.io crate nettfiske 0.2.4 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 nettfiske 0.2.4
[INFO] finished tweaking crates.io crate nettfiske 0.2.4
[INFO] tweaked toml for crates.io crate nettfiske 0.2.4 written to /workspace/builds/worker-3/source/Cargo.toml
[INFO] crate crates.io crate nettfiske 0.2.4 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 console v0.7.7
[INFO] [stderr]   Downloaded smallvec v1.0.0
[INFO] [stderr]   Downloaded serde_json v1.0.43
[INFO] [stderr]   Downloaded unicode_skeleton v0.1.1
[INFO] [stderr]   Downloaded tungstenite v0.9.2
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-3/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-3/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] 2cb2b1819eecd0bf2b409a78888b534b7f9a39980051e1e819377a446cd0873f
[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" "2cb2b1819eecd0bf2b409a78888b534b7f9a39980051e1e819377a446cd0873f", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "2cb2b1819eecd0bf2b409a78888b534b7f9a39980051e1e819377a446cd0873f", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "2cb2b1819eecd0bf2b409a78888b534b7f9a39980051e1e819377a446cd0873f", kill_on_drop: false }`
[INFO] [stdout] 2cb2b1819eecd0bf2b409a78888b534b7f9a39980051e1e819377a446cd0873f
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-3/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-3/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] 4777316d5d8be3c32a58040c9eb991d9b40255bf37521b6ccb07e7c59efe9b41
[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" "4777316d5d8be3c32a58040c9eb991d9b40255bf37521b6ccb07e7c59efe9b41", kill_on_drop: false }`
[INFO] [stderr]     Checking smallvec v1.0.0
[INFO] [stderr]    Compiling getrandom v0.1.13
[INFO] [stderr]    Compiling proc-macro2 v1.0.6
[INFO] [stderr]    Compiling syn v1.0.11
[INFO] [stderr]     Checking unicode-width v0.1.6
[INFO] [stderr]    Compiling serde v1.0.103
[INFO] [stderr]     Checking regex-syntax v0.6.12
[INFO] [stderr]    Compiling openssl-sys v0.9.53
[INFO] [stderr]    Compiling num-traits v0.2.10
[INFO] [stderr]    Compiling num-integer v0.1.41
[INFO] [stderr]    Compiling error-chain v0.12.1
[INFO] [stderr]     Checking memchr v2.2.1
[INFO] [stderr]     Checking atty v0.2.13
[INFO] [stderr]     Checking termios v0.3.1
[INFO] [stderr]     Checking clicolors-control v1.0.1
[INFO] [stderr]     Checking bytes v0.4.12
[INFO] [stderr]     Checking textwrap v0.11.0
[INFO] [stderr]     Checking block-buffer v0.7.3
[INFO] [stderr]     Checking unicode-normalization v0.1.11
[INFO] [stderr]     Checking parking_lot_core v0.7.0
[INFO] [stderr]     Checking sha-1 v0.8.1
[INFO] [stderr]     Checking clap v2.33.0
[INFO] [stderr]     Checking aho-corasick v0.7.6
[INFO] [stderr]     Checking parking_lot v0.10.0
[INFO] [stderr]     Checking http v0.1.21
[INFO] [stderr]     Checking input_buffer v0.2.0
[INFO] [stderr]     Checking rand_core v0.5.1
[INFO] [stderr]    Compiling quote v1.0.2
[INFO] [stderr]    Compiling openssl v0.10.26
[INFO] [stderr]    Compiling native-tls v0.2.3
[INFO] [stderr]     Checking rand_chacha v0.2.1
[INFO] [stderr]     Checking idna v0.2.0
[INFO] [stderr]     Checking unicode_skeleton v0.1.1
[INFO] [stderr]     Checking rand v0.7.2
[INFO] [stderr]     Checking url v2.1.0
[INFO] [stderr]     Checking chrono v0.4.10
[INFO] [stderr]     Checking regex v1.3.1
[INFO] [stderr]     Checking fern v0.5.9
[INFO] [stderr]     Checking console v0.7.7
[INFO] [stderr]     Checking publicsuffix v1.5.4
[INFO] [stderr]     Checking tungstenite v0.9.2
[INFO] [stderr]     Checking serde_json v1.0.43
[INFO] [stderr]    Compiling serde_derive v1.0.103
[INFO] [stderr]  Documenting nettfiske v0.2.4 (/opt/rustwide/workdir)
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 34.27s
[INFO] running `Command { std: "docker" "inspect" "4777316d5d8be3c32a58040c9eb991d9b40255bf37521b6ccb07e7c59efe9b41", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "4777316d5d8be3c32a58040c9eb991d9b40255bf37521b6ccb07e7c59efe9b41", kill_on_drop: false }`
[INFO] [stdout] 4777316d5d8be3c32a58040c9eb991d9b40255bf37521b6ccb07e7c59efe9b41