[INFO] fetching crate mavlink 0.8.4...
[INFO] documenting mavlink-0.8.4 against try#66dfc4e010913fbed0c4ea91fc2c010004b0f441 for pr-73566
[INFO] extracting crate mavlink 0.8.4 into /workspace/builds/worker-6/source
[INFO] validating manifest of crates.io crate mavlink 0.8.4 on toolchain 66dfc4e010913fbed0c4ea91fc2c010004b0f441
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+66dfc4e010913fbed0c4ea91fc2c010004b0f441" "read-manifest" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] started tweaking crates.io crate mavlink 0.8.4
[INFO] finished tweaking crates.io crate mavlink 0.8.4
[INFO] tweaked toml for crates.io crate mavlink 0.8.4 written to /workspace/builds/worker-6/source/Cargo.toml
[INFO] crate crates.io crate mavlink 0.8.4 already has a lockfile, it will not be regenerated
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+66dfc4e010913fbed0c4ea91fc2c010004b0f441" "fetch" "--locked" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-6/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-6/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" "MAP_USER_ID=0" "-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" "--network" "none" "rustops/crates-build-env@sha256:819119df93c0f5eca3f29186f14981ef29945a311854d7222af07488600a2584" "/opt/rustwide/cargo-home/bin/cargo" "+66dfc4e010913fbed0c4ea91fc2c010004b0f441" "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] 724ecb13db7fa3b0fbb1399fa74e7fa4341ca74c28d85b657f3f62d731aebc86
[INFO] running `Command { std: "docker" "start" "-a" "724ecb13db7fa3b0fbb1399fa74e7fa4341ca74c28d85b657f3f62d731aebc86", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "724ecb13db7fa3b0fbb1399fa74e7fa4341ca74c28d85b657f3f62d731aebc86", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "724ecb13db7fa3b0fbb1399fa74e7fa4341ca74c28d85b657f3f62d731aebc86", kill_on_drop: false }`
[INFO] [stdout] 724ecb13db7fa3b0fbb1399fa74e7fa4341ca74c28d85b657f3f62d731aebc86
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-6/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-6/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" "MAP_USER_ID=0" "-e" "CARGO_TARGET_DIR=/opt/rustwide/target" "-e" "CARGO_INCREMENTAL=0" "-e" "RUST_BACKTRACE=full" "-e" "RUSTDOCFLAGS=--cap-lints=forbid" "-e" "CARGO_HOME=/opt/rustwide/cargo-home" "-e" "RUSTUP_HOME=/opt/rustwide/rustup-home" "-w" "/opt/rustwide/workdir" "-m" "1610612736" "--network" "none" "rustops/crates-build-env@sha256:819119df93c0f5eca3f29186f14981ef29945a311854d7222af07488600a2584" "/opt/rustwide/cargo-home/bin/cargo" "+66dfc4e010913fbed0c4ea91fc2c010004b0f441" "doc" "--frozen" "--no-deps" "--document-private-items" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] bfb5e0b4a51068644cac5022abfbb7b0055b58bb712cadcf29580046bac54a4f
[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" "bfb5e0b4a51068644cac5022abfbb7b0055b58bb712cadcf29580046bac54a4f", kill_on_drop: false }`
[INFO] [stderr]    Compiling debug-helper v0.3.8
[INFO] [stderr]    Compiling bitflags v0.3.3
[INFO] [stderr]    Compiling quote v0.3.15
[INFO] [stderr]     Checking byteorder v0.5.3
[INFO] [stderr]    Compiling proc-macro2 v1.0.18
[INFO] [stderr]    Compiling byteorder v1.3.4
[INFO] [stderr]     Checking ioctl-rs v0.1.6
[INFO] [stderr]     Checking termios v0.2.2
[INFO] [stderr]     Checking serial-core v0.4.0
[INFO] [stderr]    Compiling iovec v0.1.4
[INFO] [stderr]    Compiling xml-rs v0.2.2
[INFO] [stderr]     Checking crc-any v2.3.1
[INFO] [stderr]     Checking serial-unix v0.4.0
[INFO] [stderr]     Checking serial v0.4.0
[INFO] [stderr]    Compiling bytes v0.4.12
[INFO] [stderr]    Compiling quote v1.0.7
[INFO] [stderr]    Compiling syn v1.0.33
[INFO] [stderr]    Compiling serde_derive v1.0.114
[INFO] [stderr]    Compiling serde v1.0.114
[INFO] [stderr]    Compiling mavlink v0.8.4 (/opt/rustwide/workdir)
[INFO] [stderr]  Documenting mavlink v0.8.4 (/opt/rustwide/workdir)
[INFO] [stdout] warning: unused import: `crate :: { }`
[INFO] [stdout]  --> /opt/rustwide/target/debug/build/mavlink-b452a84bc77560dd/out/common.rs:2:191
[INFO] [stdout]   |
[INFO] [stdout] 2 | ...gs :: bitflags ; use crate :: { Message , error :: * } ; use crate :: { } ; # [ cfg ( feature = "serde" ) ] use serde :: { Serialize ,...
[INFO] [stdout]   |                                                                 ^^^^^^^^^^^^
[INFO] [stdout]   |
[INFO] [stdout]   = note: `#[warn(unused_imports)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: `[ardupilotmega::MavMessage]` cannot be resolved, ignoring it.
[INFO] [stdout]  --> src/lib.rs:7:15
[INFO] [stdout]   |
[INFO] [stdout] 7 | //! example, [`ardupilotmega::MavMessage`]). This is then monomorphized to the specific message
[INFO] [stdout]   |               ^^^^^^^^^^^^^^^^^^^^^^^^^^^ cannot be resolved, ignoring
[INFO] [stdout]   |
[INFO] [stdout]   = note: `#[warn(intra_doc_link_resolution_failure)]` on by default
[INFO] [stdout]   = help: to escape `[` and `]` characters, just add '\' before them like `\[` or `\]`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: 1 warning emitted
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: 1 warning emitted
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 1m 26s
[INFO] running `Command { std: "docker" "inspect" "bfb5e0b4a51068644cac5022abfbb7b0055b58bb712cadcf29580046bac54a4f", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "bfb5e0b4a51068644cac5022abfbb7b0055b58bb712cadcf29580046bac54a4f", kill_on_drop: false }`
[INFO] [stdout] bfb5e0b4a51068644cac5022abfbb7b0055b58bb712cadcf29580046bac54a4f