[INFO] crate racer 2.1.32 is already in cache
[INFO] checking racer-2.1.32 against master#ba72b15666b2491415aec703a02c2364fe5e2790 for pr-71140
[INFO] extracting crate racer 2.1.32 into /workspace/builds/worker-8/source
[INFO] validating manifest of crates.io crate racer 2.1.32 on toolchain ba72b15666b2491415aec703a02c2364fe5e2790
[INFO] running `"/workspace/cargo-home/bin/cargo" "+ba72b15666b2491415aec703a02c2364fe5e2790" "read-manifest" "--manifest-path" "Cargo.toml"`
[INFO] started tweaking crates.io crate racer 2.1.32
[INFO] finished tweaking crates.io crate racer 2.1.32
[INFO] tweaked toml for crates.io crate racer 2.1.32 written to /workspace/builds/worker-8/source/Cargo.toml
[INFO] crate crates.io crate racer 2.1.32 already has a lockfile, it will not be regenerated
[INFO] running `"/workspace/cargo-home/bin/cargo" "+ba72b15666b2491415aec703a02c2364fe5e2790" "fetch" "--locked" "--manifest-path" "Cargo.toml"`
[INFO] running `"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" "RUSTFLAGS=--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" "/opt/rustwide/cargo-home/bin/cargo" "+ba72b15666b2491415aec703a02c2364fe5e2790" "check" "--frozen" "--all" "--all-targets"`
[INFO] [stderr] WARNING: Your kernel does not support swap limit capabilities or the cgroup is not mounted. Memory limited without swap.
[INFO] [stdout] 9a9b58c10751150850e2e3503a232bdc739d30651e5638686718f1ba982dc2e3
[INFO] running `"docker" "start" "-a" "9a9b58c10751150850e2e3503a232bdc739d30651e5638686718f1ba982dc2e3"`
[INFO] [stderr]     Checking smallvec v1.2.0
[INFO] [stderr]     Checking rustc-ap-graphviz v642.0.0
[INFO] [stderr]     Checking rustc-ap-graphviz v651.0.0
[INFO] [stderr]    Compiling rustc-ap-syntax v642.0.0
[INFO] [stderr]    Compiling rustc-ap-rustc_target v642.0.0
[INFO] [stderr]    Compiling rustc-ap-rustc_ast v651.0.0
[INFO] [stderr]    Compiling rustc-ap-rustc_target v651.0.0
[INFO] [stderr]     Checking rustc-ap-rustc_fs_util v642.0.0
[INFO] [stderr]     Checking humantime v2.0.0
[INFO] [stderr]     Checking rustc-ap-rustc_fs_util v651.0.0
[INFO] [stderr]     Checking lock_api v0.3.3
[INFO] [stderr]     Checking rustc-ap-rustc_lexer v642.0.0
[INFO] [stderr]     Checking rustc-ap-rustc_lexer v651.0.0
[INFO] [stderr]    Compiling crossbeam-utils v0.7.2
[INFO] [stderr]     Checking memmap v0.7.0
[INFO] [stderr]     Checking jobserver v0.1.21
[INFO] [stderr]     Checking termize v0.1.1
[INFO] [stderr]     Checking parking_lot_core v0.6.2
[INFO] [stderr]    Compiling derive_more v0.99.5
[INFO] [stderr]    Compiling rustc-ap-rustc_macros v642.0.0
[INFO] [stderr]    Compiling rustc-ap-rustc_macros v651.0.0
[INFO] [stderr]     Checking serde_json v1.0.50
[INFO] [stderr]     Checking racer-interner v0.1.0
[INFO] [stderr]     Checking rls-span v0.5.2
[INFO] [stderr]     Checking rustc-ap-serialize v642.0.0
[INFO] [stderr]     Checking rustc-ap-serialize v651.0.0
[INFO] [stderr]     Checking parking_lot_core v0.7.0
[INFO] [stderr]     Checking unicode-normalization v0.1.12
[INFO] [stderr]     Checking parking_lot v0.9.0
[INFO] [stderr]     Checking parking_lot v0.10.0
[INFO] [stderr]     Checking measureme v0.7.1
[INFO] [stderr]     Checking crossbeam-epoch v0.8.2
[INFO] [stderr]     Checking crossbeam-deque v0.7.3
[INFO] [stderr]     Checking rustc-ap-rustc_index v642.0.0
[INFO] [stderr]     Checking rustc-rayon-core v0.3.0
[INFO] [stderr]     Checking rustc-ap-rustc_index v651.0.0
[INFO] [stderr]     Checking racer-cargo-metadata v0.1.1
[INFO] [stderr]     Checking rustc-rayon v0.3.0
[INFO] [stderr]     Checking rustc-ap-rustc_data_structures v642.0.0
[INFO] [stderr]     Checking rustc-ap-rustc_data_structures v651.0.0
[INFO] [stderr] error[E0605]: non-primitive cast: `std::num::NonZeroU64` as `u32`
[INFO] [stderr]    --> /opt/rustwide/cargo-home/registry/src/github.com-1ecc6299db9ec823/rustc-ap-rustc_data_structures-642.0.0/profiling.rs:312:29
[INFO] [stderr]     |
[INFO] [stderr] 312 |             let thread_id = std::thread::current().id().as_u64() as u32;
[INFO] [stderr]     |                             ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stderr]     |
[INFO] [stderr]     = note: an `as` expression can only be used to convert between primitive types. Consider using the `From` trait
[INFO] [stderr] 
[INFO] [stderr] error[E0605]: non-primitive cast: `std::num::NonZeroU64` as `u32`
[INFO] [stderr]    --> /opt/rustwide/cargo-home/registry/src/github.com-1ecc6299db9ec823/rustc-ap-rustc_data_structures-642.0.0/profiling.rs:471:25
[INFO] [stderr]     |
[INFO] [stderr] 471 |         let thread_id = std::thread::current().id().as_u64() as u32;
[INFO] [stderr]     |                         ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stderr]     |
[INFO] [stderr]     = note: an `as` expression can only be used to convert between primitive types. Consider using the `From` trait
[INFO] [stderr] 
[INFO] [stderr] error: aborting due to 2 previous errors
[INFO] [stderr] 
[INFO] [stderr] For more information about this error, try `rustc --explain E0605`.
[INFO] [stderr] error: could not compile `rustc-ap-rustc_data_structures`.
[INFO] [stderr] 
[INFO] [stderr] To learn more, run the command again with --verbose.
[INFO] [stderr] warning: build failed, waiting for other jobs to finish...
[INFO] [stderr] error: build failed
[INFO] running `"docker" "inspect" "9a9b58c10751150850e2e3503a232bdc739d30651e5638686718f1ba982dc2e3"`
[INFO] running `"docker" "rm" "-f" "9a9b58c10751150850e2e3503a232bdc739d30651e5638686718f1ba982dc2e3"`
[INFO] [stdout] 9a9b58c10751150850e2e3503a232bdc739d30651e5638686718f1ba982dc2e3