[INFO] crate kg-symbol 0.1.10 is already in cache
[INFO] documenting kg-symbol-0.1.10 against master#394e1b40d264aa6928811919c1124fa248e7d802 for pr-73566
[INFO] extracting crate kg-symbol 0.1.10 into /workspace/builds/worker-8/source
[INFO] validating manifest of crates.io crate kg-symbol 0.1.10 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 kg-symbol 0.1.10
[INFO] finished tweaking crates.io crate kg-symbol 0.1.10
[INFO] tweaked toml for crates.io crate kg-symbol 0.1.10 written to /workspace/builds/worker-8/source/Cargo.toml
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+394e1b40d264aa6928811919c1124fa248e7d802" "generate-lockfile" "--manifest-path" "Cargo.toml" "-Zno-index-update", kill_on_drop: false }`
[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-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" "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] a8f2e876d9cdfbb0b8139ae7f02943e79f1a7fc156e587d3742e901380958e6d
[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" "a8f2e876d9cdfbb0b8139ae7f02943e79f1a7fc156e587d3742e901380958e6d", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "a8f2e876d9cdfbb0b8139ae7f02943e79f1a7fc156e587d3742e901380958e6d", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "a8f2e876d9cdfbb0b8139ae7f02943e79f1a7fc156e587d3742e901380958e6d", kill_on_drop: false }`
[INFO] [stdout] a8f2e876d9cdfbb0b8139ae7f02943e79f1a7fc156e587d3742e901380958e6d
[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" "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] 3d3d240149ef5c044f9b68d43a2e88ddd18b419294e19a6219173f596cf11204
[INFO] running `Command { std: "docker" "start" "-a" "3d3d240149ef5c044f9b68d43a2e88ddd18b419294e19a6219173f596cf11204", kill_on_drop: false }`
[INFO] [stderr]     Checking rand_core v0.4.2
[INFO] [stderr]    Compiling autocfg v0.1.7
[INFO] [stderr]     Checking lazy_static v1.4.0
[INFO] [stderr]     Checking lock_api v0.2.0
[INFO] [stderr]    Compiling parking_lot_core v0.5.0
[INFO] [stderr]    Compiling parking_lot v0.8.0
[INFO] [stderr]     Checking rand_core v0.3.1
[INFO] [stderr]     Checking rand_os v0.1.3
[INFO] [stderr]     Checking rand_jitter v0.1.4
[INFO] [stderr]     Checking rand_hc v0.1.0
[INFO] [stderr]     Checking rand_isaac v0.1.1
[INFO] [stderr]     Checking rand_xorshift v0.1.1
[INFO] [stderr]    Compiling rand_pcg v0.1.2
[INFO] [stderr]    Compiling rand_chacha v0.1.1
[INFO] [stderr]    Compiling rand v0.6.5
[INFO] [stdout] error: the legacy LLVM-style asm! syntax is no longer supported
[INFO] [stdout]   --> /opt/rustwide/cargo-home/registry/src/github.com-1ecc6299db9ec823/parking_lot-0.8.0/src/elision.rs:77:13
[INFO] [stdout]    |
[INFO] [stdout] 77 |               asm!("xacquire; lock; cmpxchgq $2, $1"
[INFO] [stdout]    |               ^---
[INFO] [stdout]    |               |
[INFO] [stdout]    |  _____________help: replace with: `llvm_asm!`
[INFO] [stdout]    | |
[INFO] [stdout] 78 | |                  : "={rax}" (prev), "+*m" (self)
[INFO] [stdout] 79 | |                  : "r" (new), "{rax}" (current)
[INFO] [stdout] 80 | |                  : "memory"
[INFO] [stdout] 81 | |                  : "volatile");
[INFO] [stdout]    | |_______________________________^
[INFO] [stdout]    |
[INFO] [stdout]    = note: consider migrating to the new asm! syntax specified in RFC 2873
[INFO] [stdout]    = note: alternatively, switch to llvm_asm! to keep your code working as it is
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error: the legacy LLVM-style asm! syntax is no longer supported
[INFO] [stdout]    --> /opt/rustwide/cargo-home/registry/src/github.com-1ecc6299db9ec823/parking_lot-0.8.0/src/elision.rs:108:13
[INFO] [stdout]     |
[INFO] [stdout] 108 |               asm!("xrelease; lock; xaddq $2, $1"
[INFO] [stdout]     |               ^---
[INFO] [stdout]     |               |
[INFO] [stdout]     |  _____________help: replace with: `llvm_asm!`
[INFO] [stdout]     | |
[INFO] [stdout] 109 | |                  : "=r" (prev), "+*m" (self)
[INFO] [stdout] 110 | |                  : "0" (val.wrapping_neg())
[INFO] [stdout] 111 | |                  : "memory"
[INFO] [stdout] 112 | |                  : "volatile");
[INFO] [stdout]     | |_______________________________^
[INFO] [stdout]     |
[INFO] [stdout]     = note: consider migrating to the new asm! syntax specified in RFC 2873
[INFO] [stdout]     = note: alternatively, switch to llvm_asm! to keep your code working as it is
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error: aborting due to 2 previous errors
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr] error: could not compile `parking_lot`.
[INFO] [stderr] 
[INFO] [stderr] To learn more, run the command again with --verbose.
[INFO] running `Command { std: "docker" "inspect" "3d3d240149ef5c044f9b68d43a2e88ddd18b419294e19a6219173f596cf11204", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "3d3d240149ef5c044f9b68d43a2e88ddd18b419294e19a6219173f596cf11204", kill_on_drop: false }`
[INFO] [stdout] 3d3d240149ef5c044f9b68d43a2e88ddd18b419294e19a6219173f596cf11204