[INFO] fetching crate bootloader 0.9.4...
[INFO] documenting bootloader-0.9.4 against master#394e1b40d264aa6928811919c1124fa248e7d802 for pr-73566
[INFO] extracting crate bootloader 0.9.4 into /workspace/builds/worker-7/source
[INFO] validating manifest of crates.io crate bootloader 0.9.4 on toolchain 394e1b40d264aa6928811919c1124fa248e7d802
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+394e1b40d264aa6928811919c1124fa248e7d802" "read-manifest" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] removed /workspace/builds/worker-7/source/.cargo/config
[INFO] started tweaking crates.io crate bootloader 0.9.4
[INFO] finished tweaking crates.io crate bootloader 0.9.4
[INFO] tweaked toml for crates.io crate bootloader 0.9.4 written to /workspace/builds/worker-7/source/Cargo.toml
[INFO] crate crates.io crate bootloader 0.9.4 already has a lockfile, it will not be regenerated
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+394e1b40d264aa6928811919c1124fa248e7d802" "fetch" "--locked" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-7/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-7/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" "+394e1b40d264aa6928811919c1124fa248e7d802" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] 3def0b752a23f3e13509afbcdf13a92c0ec0876adc789bd6dc481e29ffb56e4f
[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" "3def0b752a23f3e13509afbcdf13a92c0ec0876adc789bd6dc481e29ffb56e4f", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "3def0b752a23f3e13509afbcdf13a92c0ec0876adc789bd6dc481e29ffb56e4f", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "3def0b752a23f3e13509afbcdf13a92c0ec0876adc789bd6dc481e29ffb56e4f", kill_on_drop: false }`
[INFO] [stdout] 3def0b752a23f3e13509afbcdf13a92c0ec0876adc789bd6dc481e29ffb56e4f
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-7/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-7/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" "+394e1b40d264aa6928811919c1124fa248e7d802" "doc" "--frozen" "--no-deps" "--document-private-items" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] 9740ef704591003653329bd1c4b9f28bb697706b02ea610981264e74a48b84ee
[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" "9740ef704591003653329bd1c4b9f28bb697706b02ea610981264e74a48b84ee", kill_on_drop: false }`
[INFO] [stderr]    Compiling bootloader v0.9.4 (/opt/rustwide/workdir)
[INFO] [stderr]  Documenting bootloader v0.9.4 (/opt/rustwide/workdir)
[INFO] [stdout] warning: `_improper_ctypes_check` redeclared with a different signature
[INFO] [stdout]    --> src/bootinfo/mod.rs:119:5
[INFO] [stdout]     |
[INFO] [stdout] 119 |     fn _improper_ctypes_check(_boot_info: BootInfo);
[INFO] [stdout]     |     ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^ this signature doesn't match the previous declaration
[INFO] [stdout]     | 
[INFO] [stdout]    ::: src/bootinfo/memory_map.rs:235:5
[INFO] [stdout]     |
[INFO] [stdout] 235 |     fn _improper_ctypes_check(_boot_info: MemoryMap);
[INFO] [stdout]     |     ------------------------------------------------- `_improper_ctypes_check` previously declared here
[INFO] [stdout]     |
[INFO] [stdout]     = note: `#[warn(clashing_extern_decl)]` on by default
[INFO] [stdout]     = note: expected `unsafe extern "C" fn(bootinfo::memory_map::MemoryMap)`
[INFO] [stdout]                found `unsafe extern "C" fn(bootinfo::BootInfo)`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: 1 warning emitted
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 1.31s
[INFO] running `Command { std: "docker" "inspect" "9740ef704591003653329bd1c4b9f28bb697706b02ea610981264e74a48b84ee", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "9740ef704591003653329bd1c4b9f28bb697706b02ea610981264e74a48b84ee", kill_on_drop: false }`
[INFO] [stdout] 9740ef704591003653329bd1c4b9f28bb697706b02ea610981264e74a48b84ee