[INFO] crate cgc 0.2.6 is already in cache
[INFO] checking cgc-0.2.6 against master#fdc0011561c6365c596dfd8fa1ef388162bc89c7 for pr-66504-1
[INFO] extracting crate cgc 0.2.6 into /workspace/builds/worker-4/source
[INFO] validating manifest of crates.io crate cgc 0.2.6 on toolchain fdc0011561c6365c596dfd8fa1ef388162bc89c7
[INFO] running `"/workspace/cargo-home/bin/cargo" "+fdc0011561c6365c596dfd8fa1ef388162bc89c7" "read-manifest" "--manifest-path" "Cargo.toml"`
[INFO] started tweaking crates.io crate cgc 0.2.6
[INFO] finished tweaking crates.io crate cgc 0.2.6
[INFO] tweaked toml for crates.io crate cgc 0.2.6 written to /workspace/builds/worker-4/source/Cargo.toml
[INFO] crate crates.io crate cgc 0.2.6 already has a lockfile, it will not be regenerated
[INFO] running `"/workspace/cargo-home/bin/cargo" "+fdc0011561c6365c596dfd8fa1ef388162bc89c7" "fetch" "--locked" "--manifest-path" "Cargo.toml"`
[INFO] running `"docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-4/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-4/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" "+fdc0011561c6365c596dfd8fa1ef388162bc89c7" "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] 5e4fc7f147ebfb9e2a2a0fba0f9225fb1f5df892196c2237d3bbe5f0e258a3b1
[INFO] running `"docker" "start" "-a" "5e4fc7f147ebfb9e2a2a0fba0f9225fb1f5df892196c2237d3bbe5f0e258a3b1"`
[INFO] [stderr]     Blocking waiting for file lock on package cache
[INFO] [stderr]     Checking parking_lot_core v0.6.2
[INFO] [stderr]     Checking parking_lot v0.9.0
[INFO] [stderr]     Checking cgc v0.2.6 (/opt/rustwide/workdir)
[INFO] [stderr] error[E0433]: failed to resolve: use of undeclared type or module `mem`
[INFO] [stderr]    --> src/internal.rs:380:19
[INFO] [stderr]     |
[INFO] [stderr] 380 |     debug_assert!(mem::is_page_aligned(ptr as usize));
[INFO] [stderr]     |                   ^^^ use of undeclared type or module `mem`
[INFO] [stderr] 
[INFO] [stderr] error[E0433]: failed to resolve: use of undeclared type or module `mem`
[INFO] [stderr]    --> src/internal.rs:381:19
[INFO] [stderr]     |
[INFO] [stderr] 381 |     debug_assert!(mem::is_page_aligned(size));
[INFO] [stderr]     |                   ^^^ use of undeclared type or module `mem`
[INFO] [stderr] 
[INFO] [stderr] error[E0433]: failed to resolve: use of undeclared type or module `mem`
[INFO] [stderr]    --> src/internal.rs:380:19
[INFO] [stderr]     |
[INFO] [stderr] 380 |     debug_assert!(mem::is_page_aligned(ptr as usize));
[INFO] [stderr]     |                   ^^^ use of undeclared type or module `mem`
[INFO] [stderr] 
[INFO] [stderr] error[E0433]: failed to resolve: use of undeclared type or module `mem`
[INFO] [stderr]    --> src/internal.rs:381:19
[INFO] [stderr]     |
[INFO] [stderr] 381 |     debug_assert!(mem::is_page_aligned(size));
[INFO] [stderr]     |                   ^^^ use of undeclared type or module `mem`
[INFO] [stderr] 
[INFO] [stderr] warning: unused import: `self::ProtType::*`
[INFO] [stderr]    --> src/internal.rs:212:16
[INFO] [stderr]     |
[INFO] [stderr] 212 | pub(crate) use self::ProtType::*;
[INFO] [stderr]     |                ^^^^^^^^^^^^^^^^^
[INFO] [stderr]     |
[INFO] [stderr]     = note: `#[warn(unused_imports)]` on by default
[INFO] [stderr] 
[INFO] [stderr] warning: unused import: `self::ProtType::*`
[INFO] [stderr]    --> src/internal.rs:212:16
[INFO] [stderr]     |
[INFO] [stderr] 212 | pub(crate) use self::ProtType::*;
[INFO] [stderr]     |                ^^^^^^^^^^^^^^^^^
[INFO] [stderr]     |
[INFO] [stderr]     = note: `#[warn(unused_imports)]` on by default
[INFO] [stderr] 
[INFO] [stderr] error: aborting due to 2 previous errors
[INFO] [stderr] 
[INFO] [stderr] For more information about this error, try `rustc --explain E0433`.
[INFO] [stderr] error: could not compile `cgc`.
[INFO] [stderr] warning: build failed, waiting for other jobs to finish...
[INFO] [stderr] error: aborting due to 2 previous errors
[INFO] [stderr] 
[INFO] [stderr] For more information about this error, try `rustc --explain E0433`.
[INFO] [stderr] error: could not compile `cgc`.
[INFO] [stderr] 
[INFO] [stderr] To learn more, run the command again with --verbose.
[INFO] running `"docker" "inspect" "5e4fc7f147ebfb9e2a2a0fba0f9225fb1f5df892196c2237d3bbe5f0e258a3b1"`
[INFO] running `"docker" "rm" "-f" "5e4fc7f147ebfb9e2a2a0fba0f9225fb1f5df892196c2237d3bbe5f0e258a3b1"`
[INFO] [stdout] 5e4fc7f147ebfb9e2a2a0fba0f9225fb1f5df892196c2237d3bbe5f0e258a3b1