[INFO] fetching crate async-tftp 0.3.1...
[INFO] documenting async-tftp-0.3.1 against beta-2020-08-29 for beta-1.47-rustdoc-1
[INFO] extracting crate async-tftp 0.3.1 into /workspace/builds/worker-9/source
[INFO] validating manifest of crates.io crate async-tftp 0.3.1 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 async-tftp 0.3.1
[INFO] finished tweaking crates.io crate async-tftp 0.3.1
[INFO] tweaked toml for crates.io crate async-tftp 0.3.1 written to /workspace/builds/worker-9/source/Cargo.toml
[INFO] crate crates.io crate async-tftp 0.3.1 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 async-tar v0.3.0
[INFO] [stderr]   Downloaded async-lock v1.1.5
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-9/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-9/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] b333a3abe7580ba144f99775c9bdd9bed8016fcd9f1c7065da063389af0b5a64
[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" "b333a3abe7580ba144f99775c9bdd9bed8016fcd9f1c7065da063389af0b5a64", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "b333a3abe7580ba144f99775c9bdd9bed8016fcd9f1c7065da063389af0b5a64", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "b333a3abe7580ba144f99775c9bdd9bed8016fcd9f1c7065da063389af0b5a64", kill_on_drop: false }`
[INFO] [stdout] b333a3abe7580ba144f99775c9bdd9bed8016fcd9f1c7065da063389af0b5a64
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-9/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-9/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] [stderr] WARNING: Your kernel does not support swap limit capabilities or the cgroup is not mounted. Memory limited without swap.
[INFO] [stdout] bac9f5462e74ff9ee9e3832feffde925950b7a6639e9b265d6dbfa955b128975
[INFO] running `Command { std: "docker" "start" "-a" "bac9f5462e74ff9ee9e3832feffde925950b7a6639e9b265d6dbfa955b128975", kill_on_drop: false }`
[INFO] [stderr]     Checking fastrand v1.3.4
[INFO] [stderr]     Checking waker-fn v1.0.0
[INFO] [stderr]    Compiling log v0.4.11
[INFO] [stderr]     Checking futures-task v0.3.5
[INFO] [stderr]     Checking async-mutex v1.1.5
[INFO] [stderr]     Checking async-channel v1.4.0
[INFO] [stderr]     Checking polling v0.1.5
[INFO] [stderr]    Compiling thiserror-impl v1.0.20
[INFO] [stderr]    Compiling num-derive v0.3.1
[INFO] [stderr]    Compiling async-trait v0.1.38
[INFO] [stderr]     Checking async-lock v1.1.5
[INFO] [stderr]     Checking futures-util v0.3.5
[INFO] [stderr]     Checking futures-lite v0.1.11
[INFO] [stderr]     Checking blocking v0.5.2
[INFO] [stderr]     Checking async-io v0.1.11
[INFO] [stderr]     Checking thiserror v1.0.20
[INFO] [stderr]  Documenting async-tftp v0.3.1 (/opt/rustwide/workdir)
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 6.11s
[INFO] running `Command { std: "docker" "inspect" "bac9f5462e74ff9ee9e3832feffde925950b7a6639e9b265d6dbfa955b128975", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "bac9f5462e74ff9ee9e3832feffde925950b7a6639e9b265d6dbfa955b128975", kill_on_drop: false }`
[INFO] [stdout] bac9f5462e74ff9ee9e3832feffde925950b7a6639e9b265d6dbfa955b128975