[INFO] crate ntree 0.1.0 is already in cache
[INFO] checking ntree-0.1.0 against try#e4dba30b9b475d8750370c4dfb49b6541990904d for pr-71393
[INFO] extracting crate ntree 0.1.0 into /workspace/builds/worker-13/source
[INFO] validating manifest of crates.io crate ntree 0.1.0 on toolchain e4dba30b9b475d8750370c4dfb49b6541990904d
[INFO] running `"/workspace/cargo-home/bin/cargo" "+e4dba30b9b475d8750370c4dfb49b6541990904d" "read-manifest" "--manifest-path" "Cargo.toml"`
[INFO] started tweaking crates.io crate ntree 0.1.0
[INFO] finished tweaking crates.io crate ntree 0.1.0
[INFO] tweaked toml for crates.io crate ntree 0.1.0 written to /workspace/builds/worker-13/source/Cargo.toml
[INFO] running `"/workspace/cargo-home/bin/cargo" "+e4dba30b9b475d8750370c4dfb49b6541990904d" "generate-lockfile" "--manifest-path" "Cargo.toml" "-Zno-index-update"`
[INFO] running `"/workspace/cargo-home/bin/cargo" "+e4dba30b9b475d8750370c4dfb49b6541990904d" "fetch" "--locked" "--manifest-path" "Cargo.toml"`
[INFO] running `"docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-13/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-13/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" "+e4dba30b9b475d8750370c4dfb49b6541990904d" "check" "--frozen" "--all" "--all-targets"`
[INFO] [stdout] 84c04dcb0c7413ad7023c93eb41a45f1d9f639366f1a25ece30090cc165e8281
[INFO] [stderr] WARNING: Your kernel does not support swap limit capabilities or the cgroup is not mounted. Memory limited without swap.
[INFO] running `"docker" "start" "-a" "84c04dcb0c7413ad7023c93eb41a45f1d9f639366f1a25ece30090cc165e8281"`
[INFO] [stderr]     Checking ref_slice v1.2.0
[INFO] [stderr]     Checking ntree v0.1.0 (/opt/rustwide/workdir)
[INFO] [stderr] error: unused label
[INFO] [stderr]    --> src/lib.rs:202:17
[INFO] [stderr]     |
[INFO] [stderr] 202 |                 'children: loop {
[INFO] [stderr]     |                 ^^^^^^^^^
[INFO] [stderr]     |
[INFO] [stderr] note: the lint level is defined here
[INFO] [stderr]    --> src/lib.rs:2:24
[INFO] [stderr]     |
[INFO] [stderr] 2   | #![cfg_attr(test, deny(warnings))]
[INFO] [stderr]     |                        ^^^^^^^^
[INFO] [stderr]     = note: `#[deny(unused_labels)]` implied by `#[deny(warnings)]`
[INFO] [stderr] 
[INFO] [stderr] error: unused import: `Region`
[INFO] [stderr]   --> src/test.rs:14:13
[INFO] [stderr]    |
[INFO] [stderr] 14 | use {NTree, Region};
[INFO] [stderr]    |             ^^^^^^
[INFO] [stderr]    |
[INFO] [stderr] note: the lint level is defined here
[INFO] [stderr]   --> src/lib.rs:2:24
[INFO] [stderr]    |
[INFO] [stderr] 2  | #![cfg_attr(test, deny(warnings))]
[INFO] [stderr]    |                        ^^^^^^^^
[INFO] [stderr]    = note: `#[deny(unused_imports)]` implied by `#[deny(warnings)]`
[INFO] [stderr] 
[INFO] [stderr] error: aborting due to 2 previous errors
[INFO] [stderr] 
[INFO] [stderr] warning: unused label
[INFO] [stderr]    --> src/lib.rs:202:17
[INFO] [stderr]     |
[INFO] [stderr] 202 |                 'children: loop {
[INFO] [stderr]     |                 ^^^^^^^^^
[INFO] [stderr]     |
[INFO] [stderr]     = note: `#[warn(unused_labels)]` on by default
[INFO] [stderr] 
[INFO] [stderr] error: could not compile `ntree`.
[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] [stderr] warning: 1 warning emitted
[INFO] [stderr] 
[INFO] [stderr] error: build failed
[INFO] running `"docker" "inspect" "84c04dcb0c7413ad7023c93eb41a45f1d9f639366f1a25ece30090cc165e8281"`
[INFO] running `"docker" "rm" "-f" "84c04dcb0c7413ad7023c93eb41a45f1d9f639366f1a25ece30090cc165e8281"`
[INFO] [stdout] 84c04dcb0c7413ad7023c93eb41a45f1d9f639366f1a25ece30090cc165e8281