[INFO] cloning repository https://github.com/turnage/huff
[INFO] running `Command { std: "git" "-c" "credential.helper=" "-c" "credential.helper=/workspace/cargo-home/bin/git-credential-null" "clone" "--bare" "https://github.com/turnage/huff" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fturnage%2Fhuff", kill_on_drop: false }`
[INFO] [stderr] Cloning into bare repository '/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fturnage%2Fhuff'...
[INFO] running `Command { std: "git" "rev-parse" "HEAD", kill_on_drop: false }`
[INFO] [stdout] b21b7735089ed9ccf40795d01327c1ffe77c3de2
[INFO] checking turnage/huff against beta for pr-78714
[INFO] running `Command { std: "git" "clone" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fturnage%2Fhuff" "/workspace/builds/worker-12/source", kill_on_drop: false }`
[INFO] [stderr] Cloning into '/workspace/builds/worker-12/source'...
[INFO] [stderr] done.
[INFO] validating manifest of git repo https://github.com/turnage/huff on toolchain beta
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+beta" "read-manifest" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[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-12/source/Cargo.toml
[INFO] crate git repo https://github.com/turnage/huff already has a lockfile, it will not be regenerated
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+beta" "fetch" "--locked" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-12/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-12/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@sha256:6eabd152ff4036248d66efda456a36cb33d24b7291b33f25f75140726c88da35" "/opt/rustwide/cargo-home/bin/cargo" "+beta" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] 7bdf3a6978902eab02dd0d78d8b8a7d363eada2e44b554baf72c45dce38b1ea4
[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" "7bdf3a6978902eab02dd0d78d8b8a7d363eada2e44b554baf72c45dce38b1ea4", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "7bdf3a6978902eab02dd0d78d8b8a7d363eada2e44b554baf72c45dce38b1ea4", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "7bdf3a6978902eab02dd0d78d8b8a7d363eada2e44b554baf72c45dce38b1ea4", kill_on_drop: false }`
[INFO] [stdout] 7bdf3a6978902eab02dd0d78d8b8a7d363eada2e44b554baf72c45dce38b1ea4
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-12/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-12/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@sha256:6eabd152ff4036248d66efda456a36cb33d24b7291b33f25f75140726c88da35" "/opt/rustwide/cargo-home/bin/cargo" "+beta" "check" "--frozen" "--all" "--all-targets" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] b8f7f9686179a95f6e05027f1533294fe896e87d6d993f2b7bd64b53158e48d8
[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" "b8f7f9686179a95f6e05027f1533294fe896e87d6d993f2b7bd64b53158e48d8", kill_on_drop: false }`
[INFO] [stderr]     Checking huff v0.1.0 (/opt/rustwide/workdir)
[INFO] [stdout] warning: trait objects without an explicit `dyn` are deprecated
[INFO] [stdout]   --> src/data/heap/binary.rs:16:16
[INFO] [stdout]    |
[INFO] [stdout] 16 |     order: Box<Iterator<Item = usize>>,
[INFO] [stdout]    |                ^^^^^^^^^^^^^^^^^^^^^^ help: use `dyn`: `dyn Iterator<Item = usize>`
[INFO] [stdout]    |
[INFO] [stdout]    = note: `#[warn(bare_trait_objects)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unnecessary parentheses around function argument
[INFO] [stdout]   --> src/data/heap/binary.rs:32:29
[INFO] [stdout]    |
[INFO] [stdout] 32 |             order: Box::new((1..)),
[INFO] [stdout]    |                             ^^^^^ help: remove these parentheses
[INFO] [stdout]    |
[INFO] [stdout]    = note: `#[warn(unused_parens)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: trait objects without an explicit `dyn` are deprecated
[INFO] [stdout]   --> src/data/heap/mod.rs:20:27
[INFO] [stdout]    |
[INFO] [stdout] 20 | impl<T: Ord> Iterator for Heap<T> {
[INFO] [stdout]    |                           ^^^^^^^ help: use `dyn`: `dyn Heap<T>`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: 3 warnings emitted
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error[E0404]: expected trait, found derive macro `Debug`
[INFO] [stdout]   --> src/data/heap/mod.rs:38:41
[INFO] [stdout]    |
[INFO] [stdout] 38 |         where T: Ord + Copy + Display + Debug,
[INFO] [stdout]    |                                         ^^^^^ not a trait
[INFO] [stdout]    |
[INFO] [stdout] help: consider importing this trait instead
[INFO] [stdout]    |
[INFO] [stdout] 34 |     use std::fmt::Debug;
[INFO] [stdout]    |
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: trait objects without an explicit `dyn` are deprecated
[INFO] [stdout]   --> src/data/heap/binary.rs:16:16
[INFO] [stdout]    |
[INFO] [stdout] 16 |     order: Box<Iterator<Item = usize>>,
[INFO] [stdout]    |                ^^^^^^^^^^^^^^^^^^^^^^ help: use `dyn`: `dyn Iterator<Item = usize>`
[INFO] [stdout]    |
[INFO] [stdout]    = note: `#[warn(bare_trait_objects)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unnecessary parentheses around function argument
[INFO] [stdout]   --> src/data/heap/binary.rs:32:29
[INFO] [stdout]    |
[INFO] [stdout] 32 |             order: Box::new((1..)),
[INFO] [stdout]    |                             ^^^^^ help: remove these parentheses
[INFO] [stdout]    |
[INFO] [stdout]    = note: `#[warn(unused_parens)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: trait objects without an explicit `dyn` are deprecated
[INFO] [stdout]   --> src/data/heap/mod.rs:20:27
[INFO] [stdout]    |
[INFO] [stdout] 20 | impl<T: Ord> Iterator for Heap<T> {
[INFO] [stdout]    |                           ^^^^^^^ help: use `dyn`: `dyn Heap<T>`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error: aborting due to previous error; 3 warnings emitted
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] For more information about this error, try `rustc --explain E0404`.
[INFO] [stdout] 
[INFO] [stderr] error: could not compile `huff`
[INFO] [stderr] 
[INFO] [stderr] To learn more, run the command again with --verbose.
[INFO] running `Command { std: "docker" "inspect" "b8f7f9686179a95f6e05027f1533294fe896e87d6d993f2b7bd64b53158e48d8", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "b8f7f9686179a95f6e05027f1533294fe896e87d6d993f2b7bd64b53158e48d8", kill_on_drop: false }`
[INFO] [stdout] b8f7f9686179a95f6e05027f1533294fe896e87d6d993f2b7bd64b53158e48d8