[INFO] fetching crate n-tree 0.0.1...
[INFO] checking n-tree-0.0.1 against try#b2f80f6008cdafc35b4472bd46afa16cc6b0cd63 for pr-79470
[INFO] extracting crate n-tree 0.0.1 into /workspace/builds/worker-14/source
[INFO] validating manifest of crates.io crate n-tree 0.0.1 on toolchain b2f80f6008cdafc35b4472bd46afa16cc6b0cd63
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+b2f80f6008cdafc35b4472bd46afa16cc6b0cd63" "read-manifest" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] started tweaking crates.io crate n-tree 0.0.1
[INFO] finished tweaking crates.io crate n-tree 0.0.1
[INFO] tweaked toml for crates.io crate n-tree 0.0.1 written to /workspace/builds/worker-14/source/Cargo.toml
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+b2f80f6008cdafc35b4472bd46afa16cc6b0cd63" "generate-lockfile" "--manifest-path" "Cargo.toml" "-Zno-index-update", kill_on_drop: false }`
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+b2f80f6008cdafc35b4472bd46afa16cc6b0cd63" "fetch" "--locked" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-14/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-14/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" "CARGO_TARGET_DIR=/opt/rustwide/target" "-e" "CARGO_HOME=/opt/rustwide/cargo-home" "-e" "RUSTUP_HOME=/opt/rustwide/rustup-home" "-w" "/opt/rustwide/workdir" "-m" "1610612736" "--user" "0:0" "--network" "none" "rustops/crates-build-env@sha256:c8ac004eab7d63a0ad09a2dde3d3353ba464f767bee4de425dc8f74c46a1905e" "/opt/rustwide/cargo-home/bin/cargo" "+b2f80f6008cdafc35b4472bd46afa16cc6b0cd63" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] 413a8d7be7b32ce29d958a8d09b1bb3d749edddd298ef1fbdc1d0fa5e9ec66a4
[INFO] [stderr] WARNING: Your kernel does not support swap limit capabilities or the cgroup is not mounted. Memory limited without swap.
[INFO] running `Command { std: "docker" "start" "-a" "413a8d7be7b32ce29d958a8d09b1bb3d749edddd298ef1fbdc1d0fa5e9ec66a4", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "413a8d7be7b32ce29d958a8d09b1bb3d749edddd298ef1fbdc1d0fa5e9ec66a4", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "413a8d7be7b32ce29d958a8d09b1bb3d749edddd298ef1fbdc1d0fa5e9ec66a4", kill_on_drop: false }`
[INFO] [stdout] 413a8d7be7b32ce29d958a8d09b1bb3d749edddd298ef1fbdc1d0fa5e9ec66a4
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-14/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-14/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" "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" "--user" "0:0" "--network" "none" "rustops/crates-build-env@sha256:c8ac004eab7d63a0ad09a2dde3d3353ba464f767bee4de425dc8f74c46a1905e" "/opt/rustwide/cargo-home/bin/cargo" "+b2f80f6008cdafc35b4472bd46afa16cc6b0cd63" "check" "--frozen" "--all" "--all-targets" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] 095a5c325d7ce6ce992e0a6d2993ad4f5c3f9688d2729e843d5929a9ef12fa98
[INFO] [stderr] WARNING: Your kernel does not support swap limit capabilities or the cgroup is not mounted. Memory limited without swap.
[INFO] running `Command { std: "docker" "start" "-a" "095a5c325d7ce6ce992e0a6d2993ad4f5c3f9688d2729e843d5929a9ef12fa98", kill_on_drop: false }`
[INFO] [stderr]     Checking n-tree v0.0.1 (/opt/rustwide/workdir)
[INFO] [stdout] error: cannot find attribute `license` in this scope
[INFO] [stdout]  --> src/lib.rs:1:4
[INFO] [stdout]   |
[INFO] [stdout] 1 | #![license = "MIT"]
[INFO] [stdout]   |    ^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error[E0425]: cannot find function `ref_slice` in module `slice`
[INFO] [stdout]    --> src/lib.rs:108:32
[INFO] [stdout]     |
[INFO] [stdout] 108 |             stack: vec![slice::ref_slice(self).iter()],
[INFO] [stdout]     |                                ^^^^^^^^^ not found in `slice`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error[E0412]: cannot find type `Items` in module `slice`
[INFO] [stdout]    --> src/lib.rs:170:20
[INFO] [stdout]     |
[INFO] [stdout] 170 |     points: slice::Items<'t, P>,
[INFO] [stdout]     |                    ^^^^^ not found in `slice`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error[E0412]: cannot find type `Items` in module `slice`
[INFO] [stdout]    --> src/lib.rs:171:23
[INFO] [stdout]     |
[INFO] [stdout] 171 |     stack: Vec<slice::Items<'t, NTree<R, P>>>
[INFO] [stdout]     |                       ^^^^^ not found in `slice`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error: unused label
[INFO] [stdout]    --> src/lib.rs:195:17
[INFO] [stdout]     |
[INFO] [stdout] 195 |                 'children: loop {
[INFO] [stdout]     |                 ^^^^^^^^^
[INFO] [stdout]     |
[INFO] [stdout] note: the lint level is defined here
[INFO] [stdout]    --> src/lib.rs:3:9
[INFO] [stdout]     |
[INFO] [stdout] 3   | #![deny(warnings)]
[INFO] [stdout]     |         ^^^^^^^^
[INFO] [stdout]     = note: `#[deny(unused_labels)]` implied by `#[deny(warnings)]`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error[E0107]: wrong number of type arguments: expected 0, found 1
[INFO] [stdout]    --> src/lib.rs:174:40
[INFO] [stdout]     |
[INFO] [stdout] 174 | impl<'t, 'q, R: Region<P>, P> Iterator<&'t P> for RangeQuery<'t, 'q, R, P> {
[INFO] [stdout]     |                                        ^^^^^ unexpected type argument
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error[E0046]: not all trait items implemented, missing: `Item`
[INFO] [stdout]    --> src/lib.rs:174:1
[INFO] [stdout]     |
[INFO] [stdout] 174 | impl<'t, 'q, R: Region<P>, P> Iterator<&'t P> for RangeQuery<'t, 'q, R, P> {
[INFO] [stdout]     | ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^ missing `Item` in implementation
[INFO] [stdout]     |
[INFO] [stdout]     = help: implement the missing item: `type Item = Type;`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error: cannot find attribute `license` in this scope
[INFO] [stdout]  --> src/lib.rs:1:4
[INFO] [stdout]   |
[INFO] [stdout] 1 | #![license = "MIT"]
[INFO] [stdout]   |    ^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error[E0425]: cannot find function `ref_slice` in module `slice`
[INFO] [stdout]    --> src/lib.rs:108:32
[INFO] [stdout]     |
[INFO] [stdout] 108 |             stack: vec![slice::ref_slice(self).iter()],
[INFO] [stdout]     |                                ^^^^^^^^^ not found in `slice`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error[E0412]: cannot find type `Items` in module `slice`
[INFO] [stdout]    --> src/lib.rs:170:20
[INFO] [stdout]     |
[INFO] [stdout] 170 |     points: slice::Items<'t, P>,
[INFO] [stdout]     |                    ^^^^^ not found in `slice`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error[E0412]: cannot find type `Items` in module `slice`
[INFO] [stdout]    --> src/lib.rs:171:23
[INFO] [stdout]     |
[INFO] [stdout] 171 |     stack: Vec<slice::Items<'t, NTree<R, P>>>
[INFO] [stdout]     |                       ^^^^^ not found in `slice`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error: unused label
[INFO] [stdout]    --> src/lib.rs:195:17
[INFO] [stdout]     |
[INFO] [stdout] 195 |                 'children: loop {
[INFO] [stdout]     |                 ^^^^^^^^^
[INFO] [stdout]     |
[INFO] [stdout] note: the lint level is defined here
[INFO] [stdout]    --> src/lib.rs:3:9
[INFO] [stdout]     |
[INFO] [stdout] 3   | #![deny(warnings)]
[INFO] [stdout]     |         ^^^^^^^^
[INFO] [stdout]     = note: `#[deny(unused_labels)]` implied by `#[deny(warnings)]`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error[E0107]: wrong number of type arguments: expected 0, found 1
[INFO] [stdout]    --> src/lib.rs:174:40
[INFO] [stdout]     |
[INFO] [stdout] 174 | impl<'t, 'q, R: Region<P>, P> Iterator<&'t P> for RangeQuery<'t, 'q, R, P> {
[INFO] [stdout]     |                                        ^^^^^ unexpected type argument
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error[E0046]: not all trait items implemented, missing: `Item`
[INFO] [stdout]    --> src/lib.rs:174:1
[INFO] [stdout]     |
[INFO] [stdout] 174 | impl<'t, 'q, R: Region<P>, P> Iterator<&'t P> for RangeQuery<'t, 'q, R, P> {
[INFO] [stdout]     | ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^ missing `Item` in implementation
[INFO] [stdout]     |
[INFO] [stdout]     = help: implement the missing item: `type Item = Type;`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error: aborting due to 7 previous errors
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] Some errors have detailed explanations: E0046, E0107, E0412, E0425.
[INFO] [stdout] 
[INFO] [stdout] For more information about an error, try `rustc --explain E0046`.
[INFO] [stdout] 
[INFO] [stderr] error: could not compile `n-tree`
[INFO] [stderr] 
[INFO] [stderr] To learn more, run the command again with --verbose.
[INFO] [stderr] warning: build failed, waiting for other jobs to finish...
[INFO] [stdout] error: aborting due to 7 previous errors
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] Some errors have detailed explanations: E0046, E0107, E0412, E0425.
[INFO] [stdout] 
[INFO] [stdout] For more information about an error, try `rustc --explain E0046`.
[INFO] [stdout] 
[INFO] [stderr] error: build failed
[INFO] running `Command { std: "docker" "inspect" "095a5c325d7ce6ce992e0a6d2993ad4f5c3f9688d2729e843d5929a9ef12fa98", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "095a5c325d7ce6ce992e0a6d2993ad4f5c3f9688d2729e843d5929a9ef12fa98", kill_on_drop: false }`
[INFO] [stdout] 095a5c325d7ce6ce992e0a6d2993ad4f5c3f9688d2729e843d5929a9ef12fa98