[INFO] fetching crate cargo-bpf 1.1.2...
[INFO] documenting cargo-bpf-1.1.2 against beta-2020-10-09 for beta-1.48-rustdoc-1
[INFO] extracting crate cargo-bpf 1.1.2 into /workspace/builds/worker-8/source
[INFO] validating manifest of crates.io crate cargo-bpf 1.1.2 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 cargo-bpf 1.1.2
[INFO] finished tweaking crates.io crate cargo-bpf 1.1.2
[INFO] tweaked toml for crates.io crate cargo-bpf 1.1.2 written to /workspace/builds/worker-8/source/Cargo.toml
[INFO] crate crates.io crate cargo-bpf 1.1.2 already has a lockfile, it will not be regenerated
[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]  Downloading crates ...
[INFO] [stderr]   Downloaded llvm-sys v100.2.0
[INFO] [stderr]   Downloaded bpf-sys v1.1.2
[INFO] [stderr]   Downloaded redbpf v1.1.2
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-8/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-8/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] 03010fc1561afa51bfa324edfbc77890b9c5369874d413a9e312aacc59ba2e27
[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" "03010fc1561afa51bfa324edfbc77890b9c5369874d413a9e312aacc59ba2e27", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "03010fc1561afa51bfa324edfbc77890b9c5369874d413a9e312aacc59ba2e27", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "03010fc1561afa51bfa324edfbc77890b9c5369874d413a9e312aacc59ba2e27", kill_on_drop: false }`
[INFO] [stdout] 03010fc1561afa51bfa324edfbc77890b9c5369874d413a9e312aacc59ba2e27
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-8/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-8/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] 282bffd27595a4c21368b547105b79ffe72d77472c5cae360ff35ccfbfa58f9e
[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" "282bffd27595a4c21368b547105b79ffe72d77472c5cae360ff35ccfbfa58f9e", kill_on_drop: false }`
[INFO] [stderr]    Compiling syn v1.0.41
[INFO] [stderr]    Compiling libloading v0.6.3
[INFO] [stderr]    Compiling bindgen v0.55.1
[INFO] [stderr]     Checking futures-core v0.3.5
[INFO] [stderr]     Checking futures-sink v0.3.5
[INFO] [stderr]     Checking zero v0.1.2
[INFO] [stderr]     Checking peeking_take_while v0.1.2
[INFO] [stderr]     Checking shlex v0.1.1
[INFO] [stderr]     Checking either v1.6.0
[INFO] [stderr]     Checking nodrop v0.1.14
[INFO] [stderr]     Checking odds v0.2.26
[INFO] [stderr]     Checking itertools v0.4.19
[INFO] [stderr]    Compiling clang-sys v1.0.0
[INFO] [stderr]     Checking proc-macro2 v1.0.21
[INFO] [stderr]    Compiling libc v0.2.77
[INFO] [stderr]     Checking which v3.1.1
[INFO] [stderr]     Checking time v0.1.44
[INFO] [stderr]     Checking cexpr v0.4.0
[INFO] [stderr]    Compiling llvm-sys v100.2.0
[INFO] [stderr]     Checking futures-channel v0.3.5
[INFO] [stderr]     Checking tempfile v3.1.0
[INFO] [stderr]     Checking combine v3.8.1
[INFO] [stderr]     Checking arrayvec v0.3.25
[INFO] [stderr]     Checking quote v1.0.7
[INFO] [stderr]     Checking chrono v0.4.15
[INFO] [stderr]     Checking hexdump v0.1.0
[INFO] [stderr]    Compiling atty v0.2.14
[INFO] [stderr]    Compiling clap v2.33.3
[INFO] [stderr]    Compiling env_logger v0.7.1
[INFO] [stderr]    Compiling pin-project-internal v0.4.23
[INFO] [stderr]    Compiling futures-macro v0.3.5
[INFO] [stderr]    Compiling scroll_derive v0.10.2
[INFO] [stderr]    Compiling tokio-macros v0.2.5
[INFO] [stderr]     Checking toml_edit v0.2.0
[INFO] [stderr]     Checking tokio v0.2.22
[INFO] [stderr]     Checking scroll v0.10.1
[INFO] [stderr]     Checking goblin v0.2.3
[INFO] [stderr]     Checking pin-project v0.4.23
[INFO] [stderr]     Checking futures-util v0.3.5
[INFO] [stderr]    Compiling bpf-sys v1.1.2
[INFO] [stderr]     Checking futures-executor v0.3.5
[INFO] [stderr]     Checking futures v0.3.5
[INFO] [stderr]     Checking redbpf v1.1.2
[INFO] [stderr]     Checking cargo-bpf v1.1.2 (/opt/rustwide/workdir)
[INFO] [stderr]  Documenting cargo-bpf v1.1.2 (/opt/rustwide/workdir)
[INFO] [stdout] warning: unused `std::result::Result` that must be used
[INFO] [stdout]   --> src/new_program.rs:57:5
[INFO] [stdout]    |
[INFO] [stdout] 57 |     features.push("probes");
[INFO] [stdout]    |     ^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout]    |
[INFO] [stdout]    = note: `#[warn(unused_must_use)]` on by default
[INFO] [stdout]    = note: this `Result` may be an `Err` variant, which should be handled
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: 1 warning emitted
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 2m 04s
[INFO] running `Command { std: "docker" "inspect" "282bffd27595a4c21368b547105b79ffe72d77472c5cae360ff35ccfbfa58f9e", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "282bffd27595a4c21368b547105b79ffe72d77472c5cae360ff35ccfbfa58f9e", kill_on_drop: false }`
[INFO] [stdout] 282bffd27595a4c21368b547105b79ffe72d77472c5cae360ff35ccfbfa58f9e
