[INFO] crate n-tree 0.0.1 is already in cache
[INFO] extracting crate n-tree 0.0.1 into work/ex/pr-63247/sources/master#452087b4bf18cece2d52d7cd8c9147195e5404bf/reg/n-tree/0.0.1
[INFO] extracting crate n-tree 0.0.1 into work/ex/pr-63247/sources/try#757dacae0a9f1b46b3ab58a1f1232332e8fc7dab/reg/n-tree/0.0.1
[INFO] validating manifest of n-tree-0.0.1 on toolchain master#452087b4bf18cece2d52d7cd8c9147195e5404bf
[INFO] running `"/mnt/big/crater/work/local/cargo-home/bin/cargo" "+452087b4bf18cece2d52d7cd8c9147195e5404bf-alt" "read-manifest" "--manifest-path" "Cargo.toml"`
[INFO] validating manifest of n-tree-0.0.1 on toolchain try#757dacae0a9f1b46b3ab58a1f1232332e8fc7dab
[INFO] running `"/mnt/big/crater/work/local/cargo-home/bin/cargo" "+757dacae0a9f1b46b3ab58a1f1232332e8fc7dab-alt" "read-manifest" "--manifest-path" "Cargo.toml"`
[INFO] started frobbing n-tree-0.0.1
[INFO] finished frobbing n-tree-0.0.1
[INFO] frobbed toml for n-tree-0.0.1 written to work/ex/pr-63247/sources/master#452087b4bf18cece2d52d7cd8c9147195e5404bf/reg/n-tree/0.0.1/Cargo.toml
[INFO] started frobbing n-tree-0.0.1
[INFO] finished frobbing n-tree-0.0.1
[INFO] frobbed toml for n-tree-0.0.1 written to work/ex/pr-63247/sources/try#757dacae0a9f1b46b3ab58a1f1232332e8fc7dab/reg/n-tree/0.0.1/Cargo.toml
[INFO] running `"/mnt/big/crater/work/local/cargo-home/bin/cargo" "+452087b4bf18cece2d52d7cd8c9147195e5404bf-alt" "generate-lockfile" "--manifest-path" "Cargo.toml" "-Zno-index-update"`
[INFO] running `"/mnt/big/crater/work/local/cargo-home/bin/cargo" "+757dacae0a9f1b46b3ab58a1f1232332e8fc7dab-alt" "generate-lockfile" "--manifest-path" "Cargo.toml" "-Zno-index-update"`
[INFO] running `"/mnt/big/crater/work/local/cargo-home/bin/cargo" "+452087b4bf18cece2d52d7cd8c9147195e5404bf-alt" "fetch" "--locked" "--manifest-path" "Cargo.toml"`
[INFO] running `"/mnt/big/crater/work/local/cargo-home/bin/cargo" "+757dacae0a9f1b46b3ab58a1f1232332e8fc7dab-alt" "fetch" "--locked" "--manifest-path" "Cargo.toml"`
[INFO] checking n-tree-0.0.1 against master#452087b4bf18cece2d52d7cd8c9147195e5404bf for pr-63247
[INFO] running `"docker" "create" "-v" "/mnt/big/crater/work/local/target-dirs/pr-63247/worker-0/master#452087b4bf18cece2d52d7cd8c9147195e5404bf:/opt/crater/target:rw,Z" "-v" "/mnt/big/crater/work/ex/pr-63247/sources/master#452087b4bf18cece2d52d7cd8c9147195e5404bf/reg/n-tree/0.0.1:/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" "+452087b4bf18cece2d52d7cd8c9147195e5404bf-alt" "check" "--frozen" "--all" "--all-targets"`
[INFO] [stdout] 19cfd3d8bebfa3b881676e3931d7bee4bf696268ad69b1d5a5a44a60ecb36654
[INFO] running `"docker" "start" "-a" "19cfd3d8bebfa3b881676e3931d7bee4bf696268ad69b1d5a5a44a60ecb36654"`
[INFO] [stderr]     Checking n-tree v0.0.1 (/opt/crater/workdir)
[INFO] [stderr] error[E0658]: non-builtin inner attributes are unstable
[INFO] [stderr]  --> src/lib.rs:1:1
[INFO] [stderr]   |
[INFO] [stderr] 1 | #![license = "MIT"]
[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[E0658]: non-builtin inner attributes are unstable
[INFO] [stderr]  --> src/lib.rs:1:1
[INFO] [stderr]   |
[INFO] [stderr] 1 | #![license = "MIT"]
[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 `license` in this scope
[INFO] [stderr]  --> src/lib.rs:1:4
[INFO] [stderr]   |
[INFO] [stderr] 1 | #![license = "MIT"]
[INFO] [stderr]   |    ^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] error: cannot determine resolution for the macro `file`
[INFO] [stderr]    --> src/lib.rs:147:26
[INFO] [stderr]     |
[INFO] [stderr] 147 |         Branch { .. } => unreachable!()
[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/lib.rs:147:26
[INFO] [stderr]     |
[INFO] [stderr] 147 |         Branch { .. } => unreachable!()
[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/lib.rs:147:26
[INFO] [stderr]     |
[INFO] [stderr] 147 |         Branch { .. } => unreachable!()
[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[E0425]: cannot find function `ref_slice` in module `slice`
[INFO] [stderr]    --> src/lib.rs:108:32
[INFO] [stderr]     |
[INFO] [stderr] 108 |             stack: vec![slice::ref_slice(self).iter()],
[INFO] [stderr]     |                                ^^^^^^^^^ not found in `slice`
[INFO] [stderr] 
[INFO] [stderr] error[E0412]: cannot find type `Items` in module `slice`
[INFO] [stderr]    --> src/lib.rs:170:20
[INFO] [stderr]     |
[INFO] [stderr] 170 |     points: slice::Items<'t, P>,
[INFO] [stderr]     |                    ^^^^^ not found in `slice`
[INFO] [stderr] 
[INFO] [stderr] error[E0412]: cannot find type `Items` in module `slice`
[INFO] [stderr]    --> src/lib.rs:171:23
[INFO] [stderr]     |
[INFO] [stderr] 171 |     stack: Vec<slice::Items<'t, NTree<R, P>>>
[INFO] [stderr]     |                       ^^^^^ not found in `slice`
[INFO] [stderr] 
[INFO] [stderr] error[E0107]: wrong number of type arguments: expected 0, found 1
[INFO] [stderr]    --> src/lib.rs:174:40
[INFO] [stderr]     |
[INFO] [stderr] 174 | impl<'t, 'q, R: Region<P>, P> Iterator<&'t P> for RangeQuery<'t, 'q, R, P> {
[INFO] [stderr]     |                                        ^^^^^ unexpected type argument
[INFO] [stderr] 
[INFO] [stderr] error: aborting due to 9 previous errors
[INFO] [stderr] 
[INFO] [stderr] Some errors have detailed explanations: E0107, E0412, E0425, E0658.
[INFO] [stderr] For more information about an error, try `rustc --explain E0107`.
[INFO] [stderr] error: Could not compile `n-tree`.
[INFO] [stderr] warning: build failed, waiting for other jobs to finish...
[INFO] [stderr] error: cannot find attribute macro `license` in this scope
[INFO] [stderr]  --> src/lib.rs:1:4
[INFO] [stderr]   |
[INFO] [stderr] 1 | #![license = "MIT"]
[INFO] [stderr]   |    ^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] error: cannot determine resolution for the macro `file`
[INFO] [stderr]    --> src/lib.rs:147:26
[INFO] [stderr]     |
[INFO] [stderr] 147 |         Branch { .. } => unreachable!()
[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/lib.rs:147:26
[INFO] [stderr]     |
[INFO] [stderr] 147 |         Branch { .. } => unreachable!()
[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/lib.rs:147:26
[INFO] [stderr]     |
[INFO] [stderr] 147 |         Branch { .. } => unreachable!()
[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[E0425]: cannot find function `ref_slice` in module `slice`
[INFO] [stderr]    --> src/lib.rs:108:32
[INFO] [stderr]     |
[INFO] [stderr] 108 |             stack: vec![slice::ref_slice(self).iter()],
[INFO] [stderr]     |                                ^^^^^^^^^ not found in `slice`
[INFO] [stderr] 
[INFO] [stderr] error[E0412]: cannot find type `Items` in module `slice`
[INFO] [stderr]    --> src/lib.rs:170:20
[INFO] [stderr]     |
[INFO] [stderr] 170 |     points: slice::Items<'t, P>,
[INFO] [stderr]     |                    ^^^^^ not found in `slice`
[INFO] [stderr] 
[INFO] [stderr] error[E0412]: cannot find type `Items` in module `slice`
[INFO] [stderr]    --> src/lib.rs:171:23
[INFO] [stderr]     |
[INFO] [stderr] 171 |     stack: Vec<slice::Items<'t, NTree<R, P>>>
[INFO] [stderr]     |                       ^^^^^ not found in `slice`
[INFO] [stderr] 
[INFO] [stderr] error[E0107]: wrong number of type arguments: expected 0, found 1
[INFO] [stderr]    --> src/lib.rs:174:40
[INFO] [stderr]     |
[INFO] [stderr] 174 | impl<'t, 'q, R: Region<P>, P> Iterator<&'t P> for RangeQuery<'t, 'q, R, P> {
[INFO] [stderr]     |                                        ^^^^^ unexpected type argument
[INFO] [stderr] 
[INFO] [stderr] error: aborting due to 9 previous errors
[INFO] [stderr] 
[INFO] [stderr] Some errors have detailed explanations: E0107, E0412, E0425, E0658.
[INFO] [stderr] For more information about an error, try `rustc --explain E0107`.
[INFO] [stderr] error: Could not compile `n-tree`.
[INFO] [stderr] 
[INFO] [stderr] To learn more, run the command again with --verbose.
[INFO] running `"docker" "inspect" "19cfd3d8bebfa3b881676e3931d7bee4bf696268ad69b1d5a5a44a60ecb36654"`
[INFO] running `"docker" "rm" "-f" "19cfd3d8bebfa3b881676e3931d7bee4bf696268ad69b1d5a5a44a60ecb36654"`
[INFO] [stdout] 19cfd3d8bebfa3b881676e3931d7bee4bf696268ad69b1d5a5a44a60ecb36654