[INFO] crate rahashmap 0.2.14 is already in cache
[INFO] checking rahashmap-0.2.14 against master#2da942f32802c8233a09744024dfbc34431adf65 for pr-66963
[INFO] extracting crate rahashmap 0.2.14 into /workspace/builds/worker-0/source
[INFO] validating manifest of crates.io crate rahashmap 0.2.14 on toolchain 2da942f32802c8233a09744024dfbc34431adf65
[INFO] running `"/workspace/cargo-home/bin/cargo" "+2da942f32802c8233a09744024dfbc34431adf65" "read-manifest" "--manifest-path" "Cargo.toml"`
[INFO] started tweaking crates.io crate rahashmap 0.2.14
[INFO] finished tweaking crates.io crate rahashmap 0.2.14
[INFO] tweaked toml for crates.io crate rahashmap 0.2.14 written to /workspace/builds/worker-0/source/Cargo.toml
[INFO] running `"/workspace/cargo-home/bin/cargo" "+2da942f32802c8233a09744024dfbc34431adf65" "generate-lockfile" "--manifest-path" "Cargo.toml" "-Zno-index-update"`
[INFO] running `"/workspace/cargo-home/bin/cargo" "+2da942f32802c8233a09744024dfbc34431adf65" "fetch" "--locked" "--manifest-path" "Cargo.toml"`
[INFO] running `"docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-0/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-0/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" "+2da942f32802c8233a09744024dfbc34431adf65" "check" "--frozen" "--all" "--all-targets"`
[INFO] [stdout] 8f1454fc5fd038684ec38c8b9fba395a7a5ef19a3ad88dd9e587edb16c11dbc7
[INFO] [stderr] WARNING: Your kernel does not support swap limit capabilities or the cgroup is not mounted. Memory limited without swap.
[INFO] running `"docker" "start" "-a" "8f1454fc5fd038684ec38c8b9fba395a7a5ef19a3ad88dd9e587edb16c11dbc7"`
[INFO] [stderr]     Checking rahashmap v0.2.14 (/opt/rustwide/workdir)
[INFO] [stderr] error[E0432]: unresolved import `std::collections::CollectionAllocErr`
[INFO] [stderr]   --> src/table.rs:12:5
[INFO] [stderr]    |
[INFO] [stderr] 12 | use std::collections::CollectionAllocErr;
[INFO] [stderr]    |     ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^ no `CollectionAllocErr` in `collections`
[INFO] [stderr] 
[INFO] [stderr] warning: unnecessary parentheses around type
[INFO] [stderr]     --> src/map.rs:1913:34
[INFO] [stderr]      |
[INFO] [stderr] 1913 |     fn next(&mut self) -> Option<(&'a K)> {
[INFO] [stderr]      |                                  ^^^^^^^ help: remove these parentheses
[INFO] [stderr]      |
[INFO] [stderr]      = note: `#[warn(unused_parens)]` on by default
[INFO] [stderr] 
[INFO] [stderr] warning: unnecessary parentheses around type
[INFO] [stderr]     --> src/map.rs:1933:34
[INFO] [stderr]      |
[INFO] [stderr] 1933 |     fn next(&mut self) -> Option<(&'a V)> {
[INFO] [stderr]      |                                  ^^^^^^^ help: remove these parentheses
[INFO] [stderr] 
[INFO] [stderr] warning: unnecessary parentheses around type
[INFO] [stderr]     --> src/map.rs:1953:34
[INFO] [stderr]      |
[INFO] [stderr] 1953 |     fn next(&mut self) -> Option<(&'a mut V)> {
[INFO] [stderr]      |                                  ^^^^^^^^^^^ help: remove these parentheses
[INFO] [stderr] 
[INFO] [stderr] error[E0432]: unresolved import `std::collections::CollectionAllocErr`
[INFO] [stderr]   --> src/table.rs:12:5
[INFO] [stderr]    |
[INFO] [stderr] 12 | use std::collections::CollectionAllocErr;
[INFO] [stderr]    |     ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^ no `CollectionAllocErr` in `collections`
[INFO] [stderr] 
[INFO] [stderr] warning: unnecessary parentheses around type
[INFO] [stderr]     --> src/map.rs:1913:34
[INFO] [stderr]      |
[INFO] [stderr] 1913 |     fn next(&mut self) -> Option<(&'a K)> {
[INFO] [stderr]      |                                  ^^^^^^^ help: remove these parentheses
[INFO] [stderr]      |
[INFO] [stderr]      = note: `#[warn(unused_parens)]` on by default
[INFO] [stderr] 
[INFO] [stderr] warning: unnecessary parentheses around type
[INFO] [stderr]     --> src/map.rs:1933:34
[INFO] [stderr]      |
[INFO] [stderr] 1933 |     fn next(&mut self) -> Option<(&'a V)> {
[INFO] [stderr]      |                                  ^^^^^^^ help: remove these parentheses
[INFO] [stderr] 
[INFO] [stderr] warning: unnecessary parentheses around type
[INFO] [stderr]     --> src/map.rs:1953:34
[INFO] [stderr]      |
[INFO] [stderr] 1953 |     fn next(&mut self) -> Option<(&'a mut V)> {
[INFO] [stderr]      |                                  ^^^^^^^^^^^ help: remove these parentheses
[INFO] [stderr] 
[INFO] [stderr] error: aborting due to previous error
[INFO] [stderr] 
[INFO] [stderr] For more information about this error, try `rustc --explain E0432`.
[INFO] [stderr] error: could not compile `rahashmap`.
[INFO] [stderr] warning: build failed, waiting for other jobs to finish...
[INFO] [stderr] error: aborting due to previous error
[INFO] [stderr] 
[INFO] [stderr] For more information about this error, try `rustc --explain E0432`.
[INFO] [stderr] error: could not compile `rahashmap`.
[INFO] [stderr] 
[INFO] [stderr] To learn more, run the command again with --verbose.
[INFO] running `"docker" "inspect" "8f1454fc5fd038684ec38c8b9fba395a7a5ef19a3ad88dd9e587edb16c11dbc7"`
[INFO] running `"docker" "rm" "-f" "8f1454fc5fd038684ec38c8b9fba395a7a5ef19a3ad88dd9e587edb16c11dbc7"`
[INFO] [stdout] 8f1454fc5fd038684ec38c8b9fba395a7a5ef19a3ad88dd9e587edb16c11dbc7