[INFO] fetching crate float_extras 0.1.6...
[INFO] documenting float_extras-0.1.6 against beta-2020-10-09 for beta-1.48-rustdoc-1
[INFO] extracting crate float_extras 0.1.6 into /workspace/builds/worker-10/source
[INFO] validating manifest of crates.io crate float_extras 0.1.6 on toolchain beta-2020-10-09
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+beta-2020-10-09" "read-manifest" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] started tweaking crates.io crate float_extras 0.1.6
[INFO] finished tweaking crates.io crate float_extras 0.1.6
[INFO] tweaked toml for crates.io crate float_extras 0.1.6 written to /workspace/builds/worker-10/source/Cargo.toml
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+beta-2020-10-09" "generate-lockfile" "--manifest-path" "Cargo.toml" "-Zno-index-update", kill_on_drop: false }`
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+beta-2020-10-09" "fetch" "--locked" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] [stderr] warning: only one of `license` or `license-file` is necessary
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-10/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-10/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-2020-10-09" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] 2f467dcdafca69b0b92f83601923e7890c114351787a9800cc6f1ce0eeb23db0
[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" "2f467dcdafca69b0b92f83601923e7890c114351787a9800cc6f1ce0eeb23db0", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "2f467dcdafca69b0b92f83601923e7890c114351787a9800cc6f1ce0eeb23db0", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "2f467dcdafca69b0b92f83601923e7890c114351787a9800cc6f1ce0eeb23db0", kill_on_drop: false }`
[INFO] [stdout] 2f467dcdafca69b0b92f83601923e7890c114351787a9800cc6f1ce0eeb23db0
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-10/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-10/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-2020-10-09" "doc" "--frozen" "--no-deps" "--document-private-items" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] 81abb70eeb24522bc792c5422f5d3a2b3442e4eced06c34d98f51697457a595c
[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" "81abb70eeb24522bc792c5422f5d3a2b3442e4eced06c34d98f51697457a595c", kill_on_drop: false }`
[INFO] [stderr]     Blocking waiting for file lock on package cache
[INFO] [stderr] warning: only one of `license` or `license-file` is necessary
[INFO] [stderr]  Documenting float_extras v0.1.6 (/opt/rustwide/workdir)
[INFO] [stdout] warning: attribute should be applied to a foreign function or static
[INFO] [stdout]   --> src/lib.rs:7:5
[INFO] [stdout]    |
[INFO] [stdout] 7  |       #[link_name = "m"]
[INFO] [stdout]    |       ^^^^^^^^^^^^^^^^^^
[INFO] [stdout] 8  | /     extern "C" {
[INFO] [stdout] 9  | |         pub fn frexp(n: c_double, value: &mut c_int) -> c_double;
[INFO] [stdout] 10 | |         pub fn ldexp(x: c_double, n: c_int) -> c_double;
[INFO] [stdout] 11 | |         pub fn modf(x: c_double, iptr: &mut c_double) -> c_double;
[INFO] [stdout] ...  |
[INFO] [stdout] 33 | |         pub fn fma(x: c_double, y: c_double, z: c_double) -> c_double;
[INFO] [stdout] 34 | |     }
[INFO] [stdout]    | |_____- not a foreign function or static
[INFO] [stdout]    |
[INFO] [stdout]    = note: `#[warn(unused_attributes)]` on by default
[INFO] [stdout]    = warning: this was previously accepted by the compiler but is being phased out; it will become a hard error in a future release!
[INFO] [stdout] help: try `#[link(name = "m")]` instead
[INFO] [stdout]   --> src/lib.rs:7:5
[INFO] [stdout]    |
[INFO] [stdout] 7  |     #[link_name = "m"]
[INFO] [stdout]    |     ^^^^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: 1 warning emitted
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 1.71s
[INFO] running `Command { std: "docker" "inspect" "81abb70eeb24522bc792c5422f5d3a2b3442e4eced06c34d98f51697457a595c", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "81abb70eeb24522bc792c5422f5d3a2b3442e4eced06c34d98f51697457a595c", kill_on_drop: false }`
[INFO] [stdout] 81abb70eeb24522bc792c5422f5d3a2b3442e4eced06c34d98f51697457a595c
