[INFO] updating cached repository https://github.com/turnage/huff
[INFO] running `"git" "-c" "credential.helper=" "-c" "credential.helper=/workspace/cargo-home/bin/git-credential-null" "-c" "remote.origin.fetch=refs/heads/*:refs/heads/*" "fetch" "origin" "--force" "--prune"`
[INFO] running `"git" "rev-parse" "HEAD"`
[INFO] [stdout] b21b7735089ed9ccf40795d01327c1ffe77c3de2
[INFO] checking turnage/huff against master#209b2be09fcaff937480d1fbbe8b31646e361c7a for pr-70917
[INFO] running `"git" "clone" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fturnage%2Fhuff" "/workspace/builds/worker-10/source"`
[INFO] [stderr] Cloning into '/workspace/builds/worker-10/source'...
[INFO] [stderr] done.
[INFO] validating manifest of git repo https://github.com/turnage/huff on toolchain 209b2be09fcaff937480d1fbbe8b31646e361c7a
[INFO] running `"/workspace/cargo-home/bin/cargo" "+209b2be09fcaff937480d1fbbe8b31646e361c7a" "read-manifest" "--manifest-path" "Cargo.toml"`
[INFO] started tweaking git repo https://github.com/turnage/huff
[INFO] finished tweaking git repo https://github.com/turnage/huff
[INFO] tweaked toml for git repo https://github.com/turnage/huff written to /workspace/builds/worker-10/source/Cargo.toml
[INFO] crate git repo https://github.com/turnage/huff already has a lockfile, it will not be regenerated
[INFO] running `"/workspace/cargo-home/bin/cargo" "+209b2be09fcaff937480d1fbbe8b31646e361c7a" "fetch" "--locked" "--manifest-path" "Cargo.toml"`
[INFO] running `"docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-10/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-10/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" "+209b2be09fcaff937480d1fbbe8b31646e361c7a" "check" "--frozen" "--all" "--all-targets"`
[INFO] [stderr] WARNING: Your kernel does not support swap limit capabilities or the cgroup is not mounted. Memory limited without swap.
[INFO] [stdout] 515843b3ce3cbcb69f6a61406dc420d682e95717e05989c1edc35d08d9e5f001
[INFO] running `"docker" "start" "-a" "515843b3ce3cbcb69f6a61406dc420d682e95717e05989c1edc35d08d9e5f001"`
[INFO] [stderr]     Checking huff v0.1.0 (/opt/rustwide/workdir)
[INFO] [stderr] error[E0404]: expected trait, found derive macro `Debug`
[INFO] [stderr]   --> src/data/heap/mod.rs:38:41
[INFO] [stderr]    |
[INFO] [stderr] 38 |         where T: Ord + Copy + Display + Debug,
[INFO] [stderr]    |                                         ^^^^^ not a trait
[INFO] [stderr]    |
[INFO] [stderr] help: possible better candidate is found in another module, you can import it into scope
[INFO] [stderr]    |
[INFO] [stderr] 34 |     use std::fmt::Debug;
[INFO] [stderr]    |
[INFO] [stderr] 
[INFO] [stderr] warning: trait objects without an explicit `dyn` are deprecated
[INFO] [stderr]   --> src/data/heap/binary.rs:16:16
[INFO] [stderr]    |
[INFO] [stderr] 16 |     order: Box<Iterator<Item = usize>>,
[INFO] [stderr]    |                ^^^^^^^^^^^^^^^^^^^^^^ help: use `dyn`: `dyn Iterator<Item = usize>`
[INFO] [stderr]    |
[INFO] [stderr]    = note: `#[warn(bare_trait_objects)]` on by default
[INFO] [stderr] 
[INFO] [stderr] warning: unnecessary parentheses around function argument
[INFO] [stderr]   --> src/data/heap/binary.rs:32:29
[INFO] [stderr]    |
[INFO] [stderr] 32 |             order: Box::new((1..)),
[INFO] [stderr]    |                             ^^^^^ help: remove these parentheses
[INFO] [stderr]    |
[INFO] [stderr]    = note: `#[warn(unused_parens)]` on by default
[INFO] [stderr] 
[INFO] [stderr] warning: trait objects without an explicit `dyn` are deprecated
[INFO] [stderr]   --> src/data/heap/mod.rs:20:27
[INFO] [stderr]    |
[INFO] [stderr] 20 | impl<T: Ord> Iterator for Heap<T> {
[INFO] [stderr]    |                           ^^^^^^^ help: use `dyn`: `dyn Heap<T>`
[INFO] [stderr] 
[INFO] [stderr] warning: trait objects without an explicit `dyn` are deprecated
[INFO] [stderr]   --> src/data/heap/binary.rs:16:16
[INFO] [stderr]    |
[INFO] [stderr] 16 |     order: Box<Iterator<Item = usize>>,
[INFO] [stderr]    |                ^^^^^^^^^^^^^^^^^^^^^^ help: use `dyn`: `dyn Iterator<Item = usize>`
[INFO] [stderr]    |
[INFO] [stderr]    = note: `#[warn(bare_trait_objects)]` on by default
[INFO] [stderr] 
[INFO] [stderr] warning: unnecessary parentheses around function argument
[INFO] [stderr]   --> src/data/heap/binary.rs:32:29
[INFO] [stderr]    |
[INFO] [stderr] 32 |             order: Box::new((1..)),
[INFO] [stderr]    |                             ^^^^^ help: remove these parentheses
[INFO] [stderr]    |
[INFO] [stderr]    = note: `#[warn(unused_parens)]` on by default
[INFO] [stderr] 
[INFO] [stderr] warning: trait objects without an explicit `dyn` are deprecated
[INFO] [stderr]   --> src/data/heap/mod.rs:20:27
[INFO] [stderr]    |
[INFO] [stderr] 20 | impl<T: Ord> Iterator for Heap<T> {
[INFO] [stderr]    |                           ^^^^^^^ help: use `dyn`: `dyn Heap<T>`
[INFO] [stderr] 
[INFO] [stderr] error: aborting due to previous error
[INFO] [stderr] 
[INFO] [stderr] For more information about this error, try `rustc --explain E0404`.
[INFO] [stderr] error: could not compile `huff`.
[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] error: build failed
[INFO] running `"docker" "inspect" "515843b3ce3cbcb69f6a61406dc420d682e95717e05989c1edc35d08d9e5f001"`
[INFO] running `"docker" "rm" "-f" "515843b3ce3cbcb69f6a61406dc420d682e95717e05989c1edc35d08d9e5f001"`
[INFO] [stdout] 515843b3ce3cbcb69f6a61406dc420d682e95717e05989c1edc35d08d9e5f001
