[INFO] crate mmalloc 0.1.0 is already in cache
[INFO] extracting crate mmalloc 0.1.0 into work/ex/pr-62849/sources/master#435236b8877cdb98c82eaebfb7887782277265c5/reg/mmalloc/0.1.0
[INFO] extracting crate mmalloc 0.1.0 into work/ex/pr-62849/sources/try#b5c7f157c20453dde8d47371abe73b32351b4e7f/reg/mmalloc/0.1.0
[INFO] validating manifest of mmalloc-0.1.0 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 mmalloc-0.1.0 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 mmalloc-0.1.0
[INFO] finished frobbing mmalloc-0.1.0
[INFO] frobbed toml for mmalloc-0.1.0 written to work/ex/pr-62849/sources/master#435236b8877cdb98c82eaebfb7887782277265c5/reg/mmalloc/0.1.0/Cargo.toml
[INFO] started frobbing mmalloc-0.1.0
[INFO] finished frobbing mmalloc-0.1.0
[INFO] frobbed toml for mmalloc-0.1.0 written to work/ex/pr-62849/sources/try#b5c7f157c20453dde8d47371abe73b32351b4e7f/reg/mmalloc/0.1.0/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 mmalloc-0.1.0 against try#b5c7f157c20453dde8d47371abe73b32351b4e7f for pr-62849
[INFO] running `"docker" "create" "-v" "/mnt/big/crater/work/local/target-dirs/pr-62849/worker-6/try#b5c7f157c20453dde8d47371abe73b32351b4e7f:/opt/crater/target:rw,Z" "-v" "/mnt/big/crater/work/ex/pr-62849/sources/try#b5c7f157c20453dde8d47371abe73b32351b4e7f/reg/mmalloc/0.1.0:/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] 21e1132f8ae74297d46bee2d3a0ea368951bebb662a853203c67c9b0832a9e6e
[INFO] running `"docker" "start" "-a" "21e1132f8ae74297d46bee2d3a0ea368951bebb662a853203c67c9b0832a9e6e"`
[INFO] [stderr]     Checking sc v0.1.5
[INFO] [stderr]     Checking mmalloc v0.1.0 (/opt/crater/workdir)
[INFO] [stderr] error[E0557]: feature has been removed
[INFO] [stderr]  --> src/lib.rs:2:12
[INFO] [stderr]   |
[INFO] [stderr] 2 | #![feature(allocator)]
[INFO] [stderr]   |            ^^^^^^^^^ feature has been removed
[INFO] [stderr] 
[INFO] [stderr] error[E0658]: non-builtin inner attributes are unstable
[INFO] [stderr]  --> src/lib.rs:1:36
[INFO] [stderr]   |
[INFO] [stderr] 1 | #![cfg_attr(feature = "allocator", allocator)]
[INFO] [stderr]   |                                    ^^^^^^^^^
[INFO] [stderr]   |
[INFO] [stderr]   = note: for more information, see https://github.com/rust-lang/rust/issues/54726
[INFO] [stderr]   = help: add `#![feature(custom_inner_attributes)]` to the crate attributes to enable
[INFO] [stderr] 
[INFO] [stderr] error[E0557]: feature has been removed
[INFO] [stderr]  --> src/lib.rs:2:12
[INFO] [stderr]   |
[INFO] [stderr] 2 | #![feature(allocator)]
[INFO] [stderr]   |            ^^^^^^^^^ feature has been removed
[INFO] [stderr] 
[INFO] [stderr] error[E0658]: non-builtin inner attributes are unstable
[INFO] [stderr]  --> src/lib.rs:1:36
[INFO] [stderr]   |
[INFO] [stderr] 1 | #![cfg_attr(feature = "allocator", allocator)]
[INFO] [stderr]   |                                    ^^^^^^^^^
[INFO] [stderr]   |
[INFO] [stderr]   = note: for more information, see https://github.com/rust-lang/rust/issues/54726
[INFO] [stderr]   = help: add `#![feature(custom_inner_attributes)]` to the crate attributes to enable
[INFO] [stderr] 
[INFO] [stderr] error: cannot find attribute macro `allocator` in this scope
[INFO] [stderr]  --> src/lib.rs:1:36
[INFO] [stderr]   |
[INFO] [stderr] 1 | #![cfg_attr(feature = "allocator", allocator)]
[INFO] [stderr]   |                                    ^^^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] error: cannot determine resolution for the attribute macro `test`
[INFO] [stderr]   --> src/allocator.rs:89:3
[INFO] [stderr]    |
[INFO] [stderr] 89 | #[test]
[INFO] [stderr]    |   ^^^^
[INFO] [stderr]    |
[INFO] [stderr]    = note: import resolution is stuck, try simplifying macro imports
[INFO] [stderr] 
[INFO] [stderr] error: cannot determine resolution for the attribute macro `test`
[INFO] [stderr]   --> src/allocator.rs:95:3
[INFO] [stderr]    |
[INFO] [stderr] 95 | #[test]
[INFO] [stderr]    |   ^^^^
[INFO] [stderr]    |
[INFO] [stderr]    = note: import resolution is stuck, try simplifying macro imports
[INFO] [stderr] 
[INFO] [stderr] error: cannot determine resolution for the attribute macro `test`
[INFO] [stderr]    --> src/allocator.rs:101:3
[INFO] [stderr]     |
[INFO] [stderr] 101 | #[test]
[INFO] [stderr]     |   ^^^^
[INFO] [stderr]     |
[INFO] [stderr]     = note: import resolution is stuck, try simplifying macro imports
[INFO] [stderr] 
[INFO] [stderr] error: cannot determine resolution for the macro `assert`
[INFO] [stderr]   --> src/allocator.rs:91:5
[INFO] [stderr]    |
[INFO] [stderr] 91 |     assert!( mmap_anonymous( 4096 ).is_ok() );
[INFO] [stderr]    |     ^^^^^^
[INFO] [stderr]    |
[INFO] [stderr]    = note: import resolution is stuck, try simplifying macro imports
[INFO] [stderr] 
[INFO] [stderr] error: cannot determine resolution for the macro `assert`
[INFO] [stderr]   --> src/allocator.rs:92:5
[INFO] [stderr]    |
[INFO] [stderr] 92 |     assert!( mmap_anonymous( 5000 ).is_ok() );
[INFO] [stderr]    |     ^^^^^^
[INFO] [stderr]    |
[INFO] [stderr]    = note: import resolution is stuck, try simplifying macro imports
[INFO] [stderr] 
[INFO] [stderr] error: cannot determine resolution for the macro `format_args`
[INFO] [stderr]   --> src/allocator.rs:98:5
[INFO] [stderr]    |
[INFO] [stderr] 98 |     assert_eq!( mmap_anonymous( usize::MAX ), Err(()) );
[INFO] [stderr]    |     ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stderr]    |
[INFO] [stderr]    = note: import resolution is stuck, try simplifying macro imports
[INFO] [stderr]    = note: this error originates in a macro outside of the current crate (in Nightly builds, run with -Z external-macro-backtrace for more info)
[INFO] [stderr] 
[INFO] [stderr] error: cannot determine resolution for the macro `file`
[INFO] [stderr]   --> src/allocator.rs:98:5
[INFO] [stderr]    |
[INFO] [stderr] 98 |     assert_eq!( mmap_anonymous( usize::MAX ), Err(()) );
[INFO] [stderr]    |     ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stderr]    |
[INFO] [stderr]    = note: import resolution is stuck, try simplifying macro imports
[INFO] [stderr]    = note: this error originates in a macro outside of the current crate (in Nightly builds, run with -Z external-macro-backtrace for more info)
[INFO] [stderr] 
[INFO] [stderr] error: cannot determine resolution for the macro `line`
[INFO] [stderr]   --> src/allocator.rs:98:5
[INFO] [stderr]    |
[INFO] [stderr] 98 |     assert_eq!( mmap_anonymous( usize::MAX ), Err(()) );
[INFO] [stderr]    |     ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stderr]    |
[INFO] [stderr]    = note: import resolution is stuck, try simplifying macro imports
[INFO] [stderr]    = note: this error originates in a macro outside of the current crate (in Nightly builds, run with -Z external-macro-backtrace for more info)
[INFO] [stderr] 
[INFO] [stderr] error: cannot determine resolution for the macro `__rust_unstable_column`
[INFO] [stderr]   --> src/allocator.rs:98:5
[INFO] [stderr]    |
[INFO] [stderr] 98 |     assert_eq!( mmap_anonymous( usize::MAX ), Err(()) );
[INFO] [stderr]    |     ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stderr]    |
[INFO] [stderr]    = note: import resolution is stuck, try simplifying macro imports
[INFO] [stderr]    = note: this error originates in a macro outside of the current crate (in Nightly builds, run with -Z external-macro-backtrace for more info)
[INFO] [stderr] 
[INFO] [stderr] error: cannot determine resolution for the macro `format_args`
[INFO] [stderr]    --> src/allocator.rs:104:5
[INFO] [stderr]     |
[INFO] [stderr] 104 |     assert_ne!( pointer, ptr::null_mut() );
[INFO] [stderr]     |     ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stderr]     |
[INFO] [stderr]     = note: import resolution is stuck, try simplifying macro imports
[INFO] [stderr]     = note: this error originates in a macro outside of the current crate (in Nightly builds, run with -Z external-macro-backtrace for more info)
[INFO] [stderr] 
[INFO] [stderr] error: cannot determine resolution for the macro `file`
[INFO] [stderr]    --> src/allocator.rs:104:5
[INFO] [stderr]     |
[INFO] [stderr] 104 |     assert_ne!( pointer, ptr::null_mut() );
[INFO] [stderr]     |     ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stderr]     |
[INFO] [stderr]     = note: import resolution is stuck, try simplifying macro imports
[INFO] [stderr]     = note: this error originates in a macro outside of the current crate (in Nightly builds, run with -Z external-macro-backtrace for more info)
[INFO] [stderr] 
[INFO] [stderr] error: cannot determine resolution for the macro `line`
[INFO] [stderr]    --> src/allocator.rs:104:5
[INFO] [stderr]     |
[INFO] [stderr] 104 |     assert_ne!( pointer, ptr::null_mut() );
[INFO] [stderr]     |     ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stderr]     |
[INFO] [stderr]     = note: import resolution is stuck, try simplifying macro imports
[INFO] [stderr]     = note: this error originates in a macro outside of the current crate (in Nightly builds, run with -Z external-macro-backtrace for more info)
[INFO] [stderr] 
[INFO] [stderr] error: cannot determine resolution for the macro `__rust_unstable_column`
[INFO] [stderr]    --> src/allocator.rs:104:5
[INFO] [stderr]     |
[INFO] [stderr] 104 |     assert_ne!( pointer, ptr::null_mut() );
[INFO] [stderr]     |     ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stderr]     |
[INFO] [stderr]     = note: import resolution is stuck, try simplifying macro imports
[INFO] [stderr]     = note: this error originates in a macro outside of the current crate (in Nightly builds, run with -Z external-macro-backtrace for more info)
[INFO] [stderr] 
[INFO] [stderr] error: aborting due to 16 previous errors
[INFO] [stderr] 
[INFO] [stderr] Some errors have detailed explanations: E0557, E0658.
[INFO] [stderr] For more information about an error, try `rustc --explain E0557`.
[INFO] [stderr] error: Could not compile `mmalloc`.
[INFO] [stderr] warning: build failed, waiting for other jobs to finish...
[INFO] [stderr] error: cannot find attribute macro `allocator` in this scope
[INFO] [stderr]  --> src/lib.rs:1:36
[INFO] [stderr]   |
[INFO] [stderr] 1 | #![cfg_attr(feature = "allocator", allocator)]
[INFO] [stderr]   |                                    ^^^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] error: cannot determine resolution for the attribute macro `test`
[INFO] [stderr]   --> src/allocator.rs:89:3
[INFO] [stderr]    |
[INFO] [stderr] 89 | #[test]
[INFO] [stderr]    |   ^^^^
[INFO] [stderr]    |
[INFO] [stderr]    = note: import resolution is stuck, try simplifying macro imports
[INFO] [stderr] 
[INFO] [stderr] error: cannot determine resolution for the attribute macro `test`
[INFO] [stderr]   --> src/allocator.rs:95:3
[INFO] [stderr]    |
[INFO] [stderr] 95 | #[test]
[INFO] [stderr]    |   ^^^^
[INFO] [stderr]    |
[INFO] [stderr]    = note: import resolution is stuck, try simplifying macro imports
[INFO] [stderr] 
[INFO] [stderr] error: cannot determine resolution for the attribute macro `test`
[INFO] [stderr]    --> src/allocator.rs:101:3
[INFO] [stderr]     |
[INFO] [stderr] 101 | #[test]
[INFO] [stderr]     |   ^^^^
[INFO] [stderr]     |
[INFO] [stderr]     = note: import resolution is stuck, try simplifying macro imports
[INFO] [stderr] 
[INFO] [stderr] error: cannot determine resolution for the macro `assert`
[INFO] [stderr]   --> src/allocator.rs:91:5
[INFO] [stderr]    |
[INFO] [stderr] 91 |     assert!( mmap_anonymous( 4096 ).is_ok() );
[INFO] [stderr]    |     ^^^^^^
[INFO] [stderr]    |
[INFO] [stderr]    = note: import resolution is stuck, try simplifying macro imports
[INFO] [stderr] 
[INFO] [stderr] error: cannot determine resolution for the macro `assert`
[INFO] [stderr]   --> src/allocator.rs:92:5
[INFO] [stderr]    |
[INFO] [stderr] 92 |     assert!( mmap_anonymous( 5000 ).is_ok() );
[INFO] [stderr]    |     ^^^^^^
[INFO] [stderr]    |
[INFO] [stderr]    = note: import resolution is stuck, try simplifying macro imports
[INFO] [stderr] 
[INFO] [stderr] error: cannot determine resolution for the macro `format_args`
[INFO] [stderr]   --> src/allocator.rs:98:5
[INFO] [stderr]    |
[INFO] [stderr] 98 |     assert_eq!( mmap_anonymous( usize::MAX ), Err(()) );
[INFO] [stderr]    |     ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stderr]    |
[INFO] [stderr]    = note: import resolution is stuck, try simplifying macro imports
[INFO] [stderr]    = note: this error originates in a macro outside of the current crate (in Nightly builds, run with -Z external-macro-backtrace for more info)
[INFO] [stderr] 
[INFO] [stderr] error: cannot determine resolution for the macro `file`
[INFO] [stderr]   --> src/allocator.rs:98:5
[INFO] [stderr]    |
[INFO] [stderr] 98 |     assert_eq!( mmap_anonymous( usize::MAX ), Err(()) );
[INFO] [stderr]    |     ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stderr]    |
[INFO] [stderr]    = note: import resolution is stuck, try simplifying macro imports
[INFO] [stderr]    = note: this error originates in a macro outside of the current crate (in Nightly builds, run with -Z external-macro-backtrace for more info)
[INFO] [stderr] 
[INFO] [stderr] error: cannot determine resolution for the macro `line`
[INFO] [stderr]   --> src/allocator.rs:98:5
[INFO] [stderr]    |
[INFO] [stderr] 98 |     assert_eq!( mmap_anonymous( usize::MAX ), Err(()) );
[INFO] [stderr]    |     ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stderr]    |
[INFO] [stderr]    = note: import resolution is stuck, try simplifying macro imports
[INFO] [stderr]    = note: this error originates in a macro outside of the current crate (in Nightly builds, run with -Z external-macro-backtrace for more info)
[INFO] [stderr] 
[INFO] [stderr] error: cannot determine resolution for the macro `__rust_unstable_column`
[INFO] [stderr]   --> src/allocator.rs:98:5
[INFO] [stderr]    |
[INFO] [stderr] 98 |     assert_eq!( mmap_anonymous( usize::MAX ), Err(()) );
[INFO] [stderr]    |     ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stderr]    |
[INFO] [stderr]    = note: import resolution is stuck, try simplifying macro imports
[INFO] [stderr]    = note: this error originates in a macro outside of the current crate (in Nightly builds, run with -Z external-macro-backtrace for more info)
[INFO] [stderr] 
[INFO] [stderr] error: cannot determine resolution for the macro `format_args`
[INFO] [stderr]    --> src/allocator.rs:104:5
[INFO] [stderr]     |
[INFO] [stderr] 104 |     assert_ne!( pointer, ptr::null_mut() );
[INFO] [stderr]     |     ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stderr]     |
[INFO] [stderr]     = note: import resolution is stuck, try simplifying macro imports
[INFO] [stderr]     = note: this error originates in a macro outside of the current crate (in Nightly builds, run with -Z external-macro-backtrace for more info)
[INFO] [stderr] 
[INFO] [stderr] error: cannot determine resolution for the macro `file`
[INFO] [stderr]    --> src/allocator.rs:104:5
[INFO] [stderr]     |
[INFO] [stderr] 104 |     assert_ne!( pointer, ptr::null_mut() );
[INFO] [stderr]     |     ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stderr]     |
[INFO] [stderr]     = note: import resolution is stuck, try simplifying macro imports
[INFO] [stderr]     = note: this error originates in a macro outside of the current crate (in Nightly builds, run with -Z external-macro-backtrace for more info)
[INFO] [stderr] 
[INFO] [stderr] error: cannot determine resolution for the macro `line`
[INFO] [stderr]    --> src/allocator.rs:104:5
[INFO] [stderr]     |
[INFO] [stderr] 104 |     assert_ne!( pointer, ptr::null_mut() );
[INFO] [stderr]     |     ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stderr]     |
[INFO] [stderr]     = note: import resolution is stuck, try simplifying macro imports
[INFO] [stderr]     = note: this error originates in a macro outside of the current crate (in Nightly builds, run with -Z external-macro-backtrace for more info)
[INFO] [stderr] 
[INFO] [stderr] error: cannot determine resolution for the macro `__rust_unstable_column`
[INFO] [stderr]    --> src/allocator.rs:104:5
[INFO] [stderr]     |
[INFO] [stderr] 104 |     assert_ne!( pointer, ptr::null_mut() );
[INFO] [stderr]     |     ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stderr]     |
[INFO] [stderr]     = note: import resolution is stuck, try simplifying macro imports
[INFO] [stderr]     = note: this error originates in a macro outside of the current crate (in Nightly builds, run with -Z external-macro-backtrace for more info)
[INFO] [stderr] 
[INFO] [stderr] error: aborting due to 16 previous errors
[INFO] [stderr] 
[INFO] [stderr] Some errors have detailed explanations: E0557, E0658.
[INFO] [stderr] For more information about an error, try `rustc --explain E0557`.
[INFO] [stderr] error: Could not compile `mmalloc`.
[INFO] [stderr] 
[INFO] [stderr] To learn more, run the command again with --verbose.
[INFO] running `"docker" "inspect" "21e1132f8ae74297d46bee2d3a0ea368951bebb662a853203c67c9b0832a9e6e"`
[INFO] running `"docker" "rm" "-f" "21e1132f8ae74297d46bee2d3a0ea368951bebb662a853203c67c9b0832a9e6e"`
[INFO] [stdout] 21e1132f8ae74297d46bee2d3a0ea368951bebb662a853203c67c9b0832a9e6e