[INFO] fetching crate nnsdk 0.1.0...
[INFO] checking nnsdk-0.1.0 against master#4d0dd02ee07bddad9136f95c9f7846ebf3eb3fc5 for pr-81174
[INFO] extracting crate nnsdk 0.1.0 into /workspace/builds/worker-2/source
[INFO] validating manifest of crates.io crate nnsdk 0.1.0 on toolchain 4d0dd02ee07bddad9136f95c9f7846ebf3eb3fc5
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+4d0dd02ee07bddad9136f95c9f7846ebf3eb3fc5" "read-manifest" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] started tweaking crates.io crate nnsdk 0.1.0
[INFO] finished tweaking crates.io crate nnsdk 0.1.0
[INFO] tweaked toml for crates.io crate nnsdk 0.1.0 written to /workspace/builds/worker-2/source/Cargo.toml
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+4d0dd02ee07bddad9136f95c9f7846ebf3eb3fc5" "generate-lockfile" "--manifest-path" "Cargo.toml" "-Zno-index-update", kill_on_drop: false }`
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+4d0dd02ee07bddad9136f95c9f7846ebf3eb3fc5" "fetch" "--locked" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[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@sha256:21f1ed92105a0ef9b0d27ad8bdeb7f36f9f01ac17fffe3a3f3dc5241fc25d8f4" "/opt/rustwide/cargo-home/bin/cargo" "+4d0dd02ee07bddad9136f95c9f7846ebf3eb3fc5" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] a506cf075641d81d1f8d044b633a41f3bdc5fbc9116d2b8e12de3bec5cf23e43
[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" "a506cf075641d81d1f8d044b633a41f3bdc5fbc9116d2b8e12de3bec5cf23e43", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "a506cf075641d81d1f8d044b633a41f3bdc5fbc9116d2b8e12de3bec5cf23e43", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "a506cf075641d81d1f8d044b633a41f3bdc5fbc9116d2b8e12de3bec5cf23e43", kill_on_drop: false }`
[INFO] [stdout] a506cf075641d81d1f8d044b633a41f3bdc5fbc9116d2b8e12de3bec5cf23e43
[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" "RUSTFLAGS=--cap-lints=forbid" "-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@sha256:21f1ed92105a0ef9b0d27ad8bdeb7f36f9f01ac17fffe3a3f3dc5241fc25d8f4" "/opt/rustwide/cargo-home/bin/cargo" "+4d0dd02ee07bddad9136f95c9f7846ebf3eb3fc5" "check" "--frozen" "--all" "--all-targets" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] 47d1c937fe4c8401ec308ee65b5382e2c6ae457e5fe053439572ff1517aa9cbc
[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" "47d1c937fe4c8401ec308ee65b5382e2c6ae457e5fe053439572ff1517aa9cbc", kill_on_drop: false }`
[INFO] [stderr]     Blocking waiting for file lock on package cache
[INFO] [stderr]     Checking libc-nnsdk v0.0.1
[INFO] [stderr]     Checking nnsdk v0.1.0 (/opt/rustwide/workdir)
[INFO] [stdout] error[E0609]: no field `_x0` on type `Uid`
[INFO] [stdout]     --> src/lib.rs:2616:63
[INFO] [stdout]      |
[INFO] [stdout] 2616 |                     unsafe { &(*(::core::ptr::null::<Uid>()))._x0 as *const _ as usize },
[INFO] [stdout]      |                                                               ^^^ unknown field
[INFO] [stdout]      |
[INFO] [stdout]      = note: available fields are: `id`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error: aborting due to previous error
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] For more information about this error, try `rustc --explain E0609`.
[INFO] [stdout] 
[INFO] [stderr] error: could not compile `nnsdk`
[INFO] [stderr] 
[INFO] [stderr] To learn more, run the command again with --verbose.
[INFO] running `Command { std: "docker" "inspect" "47d1c937fe4c8401ec308ee65b5382e2c6ae457e5fe053439572ff1517aa9cbc", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "47d1c937fe4c8401ec308ee65b5382e2c6ae457e5fe053439572ff1517aa9cbc", kill_on_drop: false }`
[INFO] [stdout] 47d1c937fe4c8401ec308ee65b5382e2c6ae457e5fe053439572ff1517aa9cbc