[INFO] crate dora 0.0.2 is already in cache
[INFO] documenting dora-0.0.2 against master#394e1b40d264aa6928811919c1124fa248e7d802 for pr-73566
[INFO] extracting crate dora 0.0.2 into /workspace/builds/worker-13/source
[INFO] validating manifest of crates.io crate dora 0.0.2 on toolchain 394e1b40d264aa6928811919c1124fa248e7d802
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+394e1b40d264aa6928811919c1124fa248e7d802" "read-manifest" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] started tweaking crates.io crate dora 0.0.2
[INFO] finished tweaking crates.io crate dora 0.0.2
[INFO] tweaked toml for crates.io crate dora 0.0.2 written to /workspace/builds/worker-13/source/Cargo.toml
[INFO] crate crates.io crate dora 0.0.2 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-13/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-13/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] [stderr] WARNING: Your kernel does not support swap limit capabilities or the cgroup is not mounted. Memory limited without swap.
[INFO] [stdout] 23703882b50392dc86b0022741308138ec0b356b7063c939c0923387cd1d7581
[INFO] running `Command { std: "docker" "start" "-a" "23703882b50392dc86b0022741308138ec0b356b7063c939c0923387cd1d7581", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "23703882b50392dc86b0022741308138ec0b356b7063c939c0923387cd1d7581", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "23703882b50392dc86b0022741308138ec0b356b7063c939c0923387cd1d7581", kill_on_drop: false }`
[INFO] [stdout] 23703882b50392dc86b0022741308138ec0b356b7063c939c0923387cd1d7581
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-13/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-13/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] [stderr] WARNING: Your kernel does not support swap limit capabilities or the cgroup is not mounted. Memory limited without swap.
[INFO] [stdout] 308c4933992e05144822607fa630ebbf30bf342c161e728ef81a78fd5320b570
[INFO] running `Command { std: "docker" "start" "-a" "308c4933992e05144822607fa630ebbf30bf342c161e728ef81a78fd5320b570", kill_on_drop: false }`
[INFO] [stderr]    Compiling getrandom v0.1.12
[INFO] [stderr]     Checking ucd-util v0.1.5
[INFO] [stderr]     Checking ppv-lite86 v0.2.5
[INFO] [stderr]    Compiling byteorder v1.3.2
[INFO] [stderr]    Compiling dora v0.0.2 (/opt/rustwide/workdir)
[INFO] [stderr]     Checking lazy_static v0.2.11
[INFO] [stderr]     Checking rustc-serialize v0.3.24
[INFO] [stderr]     Checking scoped_threadpool v0.1.9
[INFO] [stderr]     Checking fixedbitset v0.2.0
[INFO] [stderr]    Compiling capstone-sys v0.10.0
[INFO] [stderr]     Checking crossbeam-utils v0.6.6
[INFO] [stderr]     Checking lock_api v0.3.1
[INFO] [stderr]     Checking aho-corasick v0.6.10
[INFO] [stderr]     Checking rand v0.5.6
[INFO] [stderr]    Compiling parking_lot_core v0.3.1
[INFO] [stderr]    Compiling parking_lot_core v0.6.2
[INFO] [stderr]    Compiling parking_lot v0.9.0
[INFO] [stderr]     Checking threadpool v1.7.1
[INFO] [stderr]     Checking backtrace v0.3.38
[INFO] [stderr]     Checking regex-syntax v0.5.6
[INFO] [stderr]     Checking rand_core v0.5.1
[INFO] [stderr]     Checking crossbeam-epoch v0.7.2
[INFO] [stderr]     Checking crossbeam-deque v0.7.1
[INFO] [stderr]     Checking c2-chacha v0.2.2
[INFO] [stderr]     Checking rand_chacha v0.2.1
[INFO] [stderr]     Checking rand v0.7.2
[INFO] [stderr]     Checking parking_lot v0.6.4
[INFO] [stderr]     Checking dora-parser v0.0.2
[INFO] [stderr]     Checking regex v0.2.11
[INFO] [stderr]     Checking docopt v0.7.0
[INFO] [stderr]     Checking capstone v0.6.0
[INFO] [stderr]  Documenting dora v0.0.2 (/opt/rustwide/workdir)
[INFO] [stdout] error[E0432]: unresolved import `core::alloc::Alloc`
[INFO] [stdout]  --> src/vtable.rs:2:5
[INFO] [stdout]   |
[INFO] [stdout] 2 | use core::alloc::Alloc;
[INFO] [stdout]   |     ^^^^^^^^^^^^^^^^^^ no `Alloc` in `alloc`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error: Compilation failed, aborting rustdoc
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error: aborting due to 2 previous errors
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] For more information about this error, try `rustc --explain E0432`.
[INFO] [stdout] 
[INFO] [stderr] error: Could not document `dora`.
[INFO] [stderr] 
[INFO] [stderr] Caused by:
[INFO] [stderr]   process didn't exit successfully: `rustdoc --edition=2018 --crate-type lib --crate-name dora src/lib.rs -o /opt/rustwide/target/doc --error-format=json --json=diagnostic-rendered-ansi --document-private-items -L dependency=/opt/rustwide/target/debug/deps --extern backtrace=/opt/rustwide/target/debug/deps/libbacktrace-a6916ef0cf3631e6.rmeta --extern byteorder=/opt/rustwide/target/debug/deps/libbyteorder-aadba9214791e9aa.rmeta --extern capstone=/opt/rustwide/target/debug/deps/libcapstone-51eec2650edf517f.rmeta --extern crossbeam_deque=/opt/rustwide/target/debug/deps/libcrossbeam_deque-1bd74dbffa7299d7.rmeta --extern docopt=/opt/rustwide/target/debug/deps/libdocopt-a2c864bb9ade50ac.rmeta --extern dora_parser=/opt/rustwide/target/debug/deps/libdora_parser-5ca43c099599558f.rmeta --extern fixedbitset=/opt/rustwide/target/debug/deps/libfixedbitset-9551baa09afd7c08.rmeta --extern libc=/opt/rustwide/target/debug/deps/liblibc-5c1bd2dea50f96e9.rmeta --extern num_cpus=/opt/rustwide/target/debug/deps/libnum_cpus-a8742e27b0a9817f.rmeta --extern parking_lot=/opt/rustwide/target/debug/deps/libparking_lot-4c4aca3dbfcd1c52.rmeta --extern rand=/opt/rustwide/target/debug/deps/librand-2f171627c7b3fd8b.rmeta --extern regex=/opt/rustwide/target/debug/deps/libregex-357c088fd08b6cb2.rmeta --extern rustc_serialize=/opt/rustwide/target/debug/deps/librustc_serialize-7ddf6b4d13e0395e.rmeta --extern scoped_threadpool=/opt/rustwide/target/debug/deps/libscoped_threadpool-6afa5a4893a8ee08.rmeta --extern threadpool=/opt/rustwide/target/debug/deps/libthreadpool-9a59b9f73584848c.rmeta --extern time=/opt/rustwide/target/debug/deps/libtime-1570443f6f4489cb.rmeta --cap-lints=forbid` (exit code: 1)
[INFO] running `Command { std: "docker" "inspect" "308c4933992e05144822607fa630ebbf30bf342c161e728ef81a78fd5320b570", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "308c4933992e05144822607fa630ebbf30bf342c161e728ef81a78fd5320b570", kill_on_drop: false }`
[INFO] [stdout] 308c4933992e05144822607fa630ebbf30bf342c161e728ef81a78fd5320b570