[INFO] crate cgc 0.1.2 is already in cache
[INFO] extracting crate cgc 0.1.2 into work/ex/pr-62849/sources/master#435236b8877cdb98c82eaebfb7887782277265c5/reg/cgc/0.1.2
[INFO] extracting crate cgc 0.1.2 into work/ex/pr-62849/sources/try#b5c7f157c20453dde8d47371abe73b32351b4e7f/reg/cgc/0.1.2
[INFO] validating manifest of cgc-0.1.2 on toolchain master#435236b8877cdb98c82eaebfb7887782277265c5
[INFO] running `"/mnt/big/crater/work/local/cargo-home/bin/cargo" "+435236b8877cdb98c82eaebfb7887782277265c5-alt" "read-manifest" "--manifest-path" "Cargo.toml"`
[INFO] validating manifest of cgc-0.1.2 on toolchain try#b5c7f157c20453dde8d47371abe73b32351b4e7f
[INFO] running `"/mnt/big/crater/work/local/cargo-home/bin/cargo" "+b5c7f157c20453dde8d47371abe73b32351b4e7f-alt" "read-manifest" "--manifest-path" "Cargo.toml"`
[INFO] started frobbing cgc-0.1.2
[INFO] finished frobbing cgc-0.1.2
[INFO] frobbed toml for cgc-0.1.2 written to work/ex/pr-62849/sources/master#435236b8877cdb98c82eaebfb7887782277265c5/reg/cgc/0.1.2/Cargo.toml
[INFO] started frobbing cgc-0.1.2
[INFO] finished frobbing cgc-0.1.2
[INFO] frobbed toml for cgc-0.1.2 written to work/ex/pr-62849/sources/try#b5c7f157c20453dde8d47371abe73b32351b4e7f/reg/cgc/0.1.2/Cargo.toml
[INFO] running `"/mnt/big/crater/work/local/cargo-home/bin/cargo" "+435236b8877cdb98c82eaebfb7887782277265c5-alt" "generate-lockfile" "--manifest-path" "Cargo.toml" "-Zno-index-update"`
[INFO] running `"/mnt/big/crater/work/local/cargo-home/bin/cargo" "+b5c7f157c20453dde8d47371abe73b32351b4e7f-alt" "generate-lockfile" "--manifest-path" "Cargo.toml" "-Zno-index-update"`
[INFO] running `"/mnt/big/crater/work/local/cargo-home/bin/cargo" "+435236b8877cdb98c82eaebfb7887782277265c5-alt" "fetch" "--locked" "--manifest-path" "Cargo.toml"`
[INFO] running `"/mnt/big/crater/work/local/cargo-home/bin/cargo" "+b5c7f157c20453dde8d47371abe73b32351b4e7f-alt" "fetch" "--locked" "--manifest-path" "Cargo.toml"`
[INFO] checking cgc-0.1.2 against try#b5c7f157c20453dde8d47371abe73b32351b4e7f for pr-62849
[INFO] running `"docker" "create" "-v" "/mnt/big/crater/work/local/target-dirs/pr-62849/worker-4/try#b5c7f157c20453dde8d47371abe73b32351b4e7f:/opt/crater/target:rw,Z" "-v" "/mnt/big/crater/work/ex/pr-62849/sources/try#b5c7f157c20453dde8d47371abe73b32351b4e7f/reg/cgc/0.1.2:/opt/crater/workdir:ro,Z" "-v" "/mnt/big/crater/work/local/cargo-home:/opt/crater/cargo-home:ro,Z" "-v" "/mnt/big/crater/work/local/rustup-home:/opt/crater/rustup-home:ro,Z" "-e" "USER_ID=1000" "-e" "SOURCE_DIR=/opt/crater/workdir" "-e" "MAP_USER_ID=1000" "-e" "CARGO_TARGET_DIR=/opt/crater/target" "-e" "CARGO_INCREMENTAL=0" "-e" "RUST_BACKTRACE=full" "-e" "RUSTFLAGS=--cap-lints=forbid" "-e" "CARGO_HOME=/opt/crater/cargo-home" "-e" "RUSTUP_HOME=/opt/crater/rustup-home" "-w" "/opt/crater/workdir" "-m" "1536M" "--network" "none" "rustops/crates-build-env" "/opt/crater/cargo-home/bin/cargo" "+b5c7f157c20453dde8d47371abe73b32351b4e7f-alt" "check" "--frozen" "--all" "--all-targets"`
[INFO] [stdout] a8e422ef415044c55c13768d07f46cea1529d1ce36f6aaf2084aca425f83696c
[INFO] running `"docker" "start" "-a" "a8e422ef415044c55c13768d07f46cea1529d1ce36f6aaf2084aca425f83696c"`
[INFO] [stderr]     Checking cgc v0.1.2 (/opt/crater/workdir)
[INFO] [stderr] error[E0433]: failed to resolve: use of undeclared type or module `mem`
[INFO] [stderr]    --> src/lib.rs:386:19
[INFO] [stderr]     |
[INFO] [stderr] 386 |     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/lib.rs:387:19
[INFO] [stderr]     |
[INFO] [stderr] 387 |     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/lib.rs:218:16
[INFO] [stderr]     |
[INFO] [stderr] 218 | pub(crate) use self::ProtType::*;
[INFO] [stderr]     |                ^^^^^^^^^^^^^^^^^
[INFO] [stderr]     |
[INFO] [stderr]     = note: `#[warn(unused_imports)]` on by default
[INFO] [stderr] 
[INFO] [stderr] error[E0433]: failed to resolve: use of undeclared type or module `mem`
[INFO] [stderr]    --> src/lib.rs:386:19
[INFO] [stderr]     |
[INFO] [stderr] 386 |     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/lib.rs:387:19
[INFO] [stderr]     |
[INFO] [stderr] 387 |     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/lib.rs:218:16
[INFO] [stderr]     |
[INFO] [stderr] 218 | 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" "a8e422ef415044c55c13768d07f46cea1529d1ce36f6aaf2084aca425f83696c"`
[INFO] running `"docker" "rm" "-f" "a8e422ef415044c55c13768d07f46cea1529d1ce36f6aaf2084aca425f83696c"`
[INFO] [stdout] a8e422ef415044c55c13768d07f46cea1529d1ce36f6aaf2084aca425f83696c