[INFO] fetching crate cargo-flash 0.8.0...
[INFO] documenting cargo-flash-0.8.0 against beta-2020-08-29 for beta-1.47-rustdoc-1
[INFO] extracting crate cargo-flash 0.8.0 into /workspace/builds/worker-2/source
[INFO] validating manifest of crates.io crate cargo-flash 0.8.0 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 cargo-flash 0.8.0
[INFO] finished tweaking crates.io crate cargo-flash 0.8.0
[INFO] tweaked toml for crates.io crate cargo-flash 0.8.0 written to /workspace/builds/worker-2/source/Cargo.toml
[INFO] crate crates.io crate cargo-flash 0.8.0 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 rusb v0.6.0
[INFO] [stderr]   Downloaded hidapi v1.2.2
[INFO] [stderr]   Downloaded recap v0.1.1
[INFO] [stderr]   Downloaded rusb v0.5.5
[INFO] [stderr]   Downloaded ihex v3.0.0
[INFO] [stderr]   Downloaded jaylink v0.1.2
[INFO] [stderr]   Downloaded gdb-protocol v0.1.0
[INFO] [stderr]   Downloaded cargo_toml v0.8.0
[INFO] [stderr]   Downloaded piper v0.1.3
[INFO] [stderr]   Downloaded pin-project-lite v0.1.6
[INFO] [stderr]   Downloaded enum-primitive-derive v0.2.1
[INFO] [stderr]   Downloaded probe-rs v0.8.0
[INFO] [stderr]   Downloaded jep106 v0.2.4
[INFO] [stderr]   Downloaded libusb1-sys v0.3.7
[INFO] [stderr]   Downloaded probe-rs-t2rust v0.6.0
[INFO] [stderr]   Downloaded recap-derive v0.1.1
[INFO] [stderr]   Downloaded gdb-server v0.8.0
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-2/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] [stderr] WARNING: Your kernel does not support swap limit capabilities or the cgroup is not mounted. Memory limited without swap.
[INFO] [stdout] 9d14d868a87756993ef4afc6859af534206fe284398dcbfbbbc546a5f94a67e2
[INFO] running `Command { std: "docker" "start" "-a" "9d14d868a87756993ef4afc6859af534206fe284398dcbfbbbc546a5f94a67e2", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "9d14d868a87756993ef4afc6859af534206fe284398dcbfbbbc546a5f94a67e2", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "9d14d868a87756993ef4afc6859af534206fe284398dcbfbbbc546a5f94a67e2", kill_on_drop: false }`
[INFO] [stdout] 9d14d868a87756993ef4afc6859af534206fe284398dcbfbbbc546a5f94a67e2
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-2/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] ba5e81ac9cea9bb3ba0d3c5599c320d40122d7e51b2ee5db28d7f39696841f8c
[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" "ba5e81ac9cea9bb3ba0d3c5599c320d40122d7e51b2ee5db28d7f39696841f8c", kill_on_drop: false }`
[INFO] [stderr]    Compiling proc-macro2 v1.0.18
[INFO] [stderr]    Compiling syn v1.0.30
[INFO] [stderr]    Compiling libc v0.2.71
[INFO] [stderr]    Compiling serde v1.0.111
[INFO] [stderr]    Compiling cfg-if v0.1.10
[INFO] [stderr]    Compiling cc v1.0.54
[INFO] [stderr]    Compiling pkg-config v0.3.17
[INFO] [stderr]    Compiling log v0.4.8
[INFO] [stderr]    Compiling adler32 v1.0.4
[INFO] [stderr]    Compiling proc-macro-nested v0.1.4
[INFO] [stderr]    Compiling rle-decode-fast v1.0.1
[INFO] [stderr]    Compiling take_mut v0.2.2
[INFO] [stderr]     Checking futures-sink v0.3.5
[INFO] [stderr]     Checking stable_deref_trait v1.1.1
[INFO] [stderr]    Compiling proc-macro-hack v0.5.16
[INFO] [stderr]     Checking once_cell v1.4.0
[INFO] [stderr]     Checking futures-core v0.3.5
[INFO] [stderr]     Checking fallible-iterator v0.2.0
[INFO] [stderr]    Compiling linked-hash-map v0.5.3
[INFO] [stderr]     Checking futures-io v0.3.5
[INFO] [stderr]     Checking slab v0.4.2
[INFO] [stderr]     Checking pin-utils v0.1.0
[INFO] [stderr]    Compiling dtoa v0.4.5
[INFO] [stderr]     Checking bit-vec v0.6.2
[INFO] [stderr]    Compiling byteorder v1.3.4
[INFO] [stderr]    Compiling base64 v0.12.1
[INFO] [stderr]    Compiling lazy_static v1.4.0
[INFO] [stderr]     Checking object v0.19.0
[INFO] [stderr]    Compiling anyhow v1.0.31
[INFO] [stderr]    Compiling regex-syntax v0.6.18
[INFO] [stderr]     Checking scoped-tls-hkt v0.1.2
[INFO] [stderr]     Checking plain v0.2.3
[INFO] [stderr]     Checking wasmparser v0.57.0
[INFO] [stderr]     Checking async-task v3.0.0
[INFO] [stderr]     Checking bitfield v0.13.2
[INFO] [stderr]     Checking svg v0.7.2
[INFO] [stderr]     Checking ihex v3.0.0
[INFO] [stderr]     Checking pin-project-lite v0.1.6
[INFO] [stderr]     Checking number_prefix v0.3.0
[INFO] [stderr]    Compiling crossbeam-utils v0.7.2
[INFO] [stderr]    Compiling indexmap v1.4.0
[INFO] [stderr]    Compiling memoffset v0.5.4
[INFO] [stderr]    Compiling crossbeam-epoch v0.8.2
[INFO] [stderr]    Compiling num-traits v0.2.11
[INFO] [stderr]    Compiling proc-macro-error-attr v1.0.2
[INFO] [stderr]    Compiling proc-macro-error v1.0.2
[INFO] [stderr]     Checking futures-channel v0.3.5
[INFO] [stderr]     Checking futures-task v0.3.5
[INFO] [stderr]    Compiling yaml-rust v0.4.4
[INFO] [stderr]    Compiling thread_local v1.0.1
[INFO] [stderr]     Checking miniz_oxide v0.3.6
[INFO] [stderr]     Checking bit-set v0.5.2
[INFO] [stderr]    Compiling memchr v2.3.3
[INFO] [stderr]    Compiling crc32fast v1.2.0
[INFO] [stderr]     Checking aho-corasick v0.7.10
[INFO] [stderr]     Checking gdb-protocol v0.1.0
[INFO] [stderr]    Compiling libflate v0.1.27
[INFO] [stderr]     Checking kv-log-macro v1.0.6
[INFO] [stderr]    Compiling quote v1.0.6
[INFO] [stderr]     Checking crossbeam-channel v0.4.2
[INFO] [stderr]     Checking crossbeam-queue v0.2.2
[INFO] [stderr]    Compiling hidapi v1.2.2
[INFO] [stderr]     Checking gimli v0.21.0
[INFO] [stderr]     Checking regex v1.3.9
[INFO] [stderr]     Checking crossbeam-deque v0.7.3
[INFO] [stderr]     Checking crossbeam v0.7.3
[INFO] [stderr]     Checking atty v0.2.14
[INFO] [stderr]     Checking nix v0.17.0
[INFO] [stderr]     Checking flate2 v1.0.14
[INFO] [stderr]     Checking socket2 v0.3.12
[INFO] [stderr]     Checking num_cpus v1.13.0
[INFO] [stderr]     Checking terminal_size v0.1.12
[INFO] [stderr]     Checking termios v0.3.2
[INFO] [stderr]     Checking clap v2.33.1
[INFO] [stderr]     Checking colored v1.9.3
[INFO] [stderr]     Checking object v0.20.0
[INFO] [stderr]    Compiling filetime v0.2.10
[INFO] [stderr]    Compiling xattr v0.2.2
[INFO] [stderr]     Checking console v0.11.3
[INFO] [stderr]     Checking env_logger v0.7.1
[INFO] [stderr]    Compiling tar v0.4.28
[INFO] [stderr]     Checking indicatif v0.14.0
[INFO] [stderr]    Compiling libusb1-sys v0.3.7
[INFO] [stderr]    Compiling recap-derive v0.1.1
[INFO] [stderr]     Checking rusb v0.5.5
[INFO] [stderr]     Checking rusb v0.6.0
[INFO] [stderr]     Checking jaylink v0.1.2
[INFO] [stderr]     Checking addr2line v0.12.1
[INFO] [stderr]     Checking backtrace v0.3.48
[INFO] [stderr]    Compiling syn-mid v0.5.0
[INFO] [stderr]    Compiling synstructure v0.12.3
[INFO] [stderr]    Compiling serde_derive v1.0.111
[INFO] [stderr]    Compiling pin-project-internal v0.4.17
[INFO] [stderr]    Compiling scroll_derive v0.10.2
[INFO] [stderr]    Compiling futures-macro v0.3.5
[INFO] [stderr]    Compiling thiserror-impl v1.0.19
[INFO] [stderr]    Compiling failure_derive v0.1.8
[INFO] [stderr]    Compiling enum-primitive-derive v0.2.1
[INFO] [stderr]    Compiling derivative v2.1.1
[INFO] [stderr]    Compiling structopt-derive v0.4.7
[INFO] [stderr]    Compiling scroll v0.10.1
[INFO] [stderr]     Checking failure v0.1.8
[INFO] [stderr]     Checking rustc-cfg v0.4.0
[INFO] [stderr]     Checking thiserror v1.0.19
[INFO] [stderr]     Checking goblin v0.2.3
[INFO] [stderr]     Checking pin-project v0.4.17
[INFO] [stderr]     Checking futures-util v0.3.5
[INFO] [stderr]     Checking structopt v0.3.14
[INFO] [stderr]     Checking piper v0.1.3
[INFO] [stderr]     Checking futures-executor v0.3.5
[INFO] [stderr]     Checking futures v0.3.5
[INFO] [stderr]     Checking smol v0.1.10
[INFO] [stderr]     Checking async-std v1.6.0
[INFO] [stderr]     Checking jep106 v0.2.4
[INFO] [stderr]     Checking envy v0.4.1
[INFO] [stderr]     Checking serde_yaml v0.8.12
[INFO] [stderr]     Checking toml v0.5.6
[INFO] [stderr]     Checking toml v0.4.10
[INFO] [stderr]     Checking recap v0.1.1
[INFO] [stderr]    Compiling probe-rs-t2rust v0.6.0
[INFO] [stderr]     Checking cargo-project v0.2.4
[INFO] [stderr]    Compiling probe-rs v0.8.0
[INFO] [stderr]     Checking cargo_toml v0.8.0
[INFO] [stderr]     Checking gdb-server v0.8.0
[INFO] [stderr]  Documenting cargo-flash v0.8.0 (/opt/rustwide/workdir)
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 3m 06s
[INFO] running `Command { std: "docker" "inspect" "ba5e81ac9cea9bb3ba0d3c5599c320d40122d7e51b2ee5db28d7f39696841f8c", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "ba5e81ac9cea9bb3ba0d3c5599c320d40122d7e51b2ee5db28d7f39696841f8c", kill_on_drop: false }`
[INFO] [stdout] ba5e81ac9cea9bb3ba0d3c5599c320d40122d7e51b2ee5db28d7f39696841f8c