[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] testing turnage/huff against master#99e3aef02079e9c10583638520cd0c134dc3a01d for pr-85530 [INFO] running `Command { std: "git" "clone" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fturnage%2Fhuff" "/workspace/builds/worker-7/source", kill_on_drop: false }` [INFO] [stderr] Cloning into '/workspace/builds/worker-7/source'... [INFO] [stderr] done. [INFO] validating manifest of git repo https://github.com/turnage/huff on toolchain 99e3aef02079e9c10583638520cd0c134dc3a01d [INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+99e3aef02079e9c10583638520cd0c134dc3a01d" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", 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-7/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" "+99e3aef02079e9c10583638520cd0c134dc3a01d" "fetch" "--manifest-path" "Cargo.toml", kill_on_drop: false }` [INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-7/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-7/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" "ghcr.io/rust-lang/crates-build-env/linux@sha256:20528e8c29e4536546f0102ce88568b16ea7538393a33fcca951030f7af10457" "/opt/rustwide/cargo-home/bin/cargo" "+99e3aef02079e9c10583638520cd0c134dc3a01d" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }` [INFO] [stdout] a38ee5b96016f758c578fa0b09001a4b679837578b824d4b4c9bbbf9228f1bb3 [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" "a38ee5b96016f758c578fa0b09001a4b679837578b824d4b4c9bbbf9228f1bb3", kill_on_drop: false }` [INFO] running `Command { std: "docker" "inspect" "a38ee5b96016f758c578fa0b09001a4b679837578b824d4b4c9bbbf9228f1bb3", kill_on_drop: false }` [INFO] running `Command { std: "docker" "rm" "-f" "a38ee5b96016f758c578fa0b09001a4b679837578b824d4b4c9bbbf9228f1bb3", kill_on_drop: false }` [INFO] [stdout] a38ee5b96016f758c578fa0b09001a4b679837578b824d4b4c9bbbf9228f1bb3 [INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-7/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-7/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" "ghcr.io/rust-lang/crates-build-env/linux@sha256:20528e8c29e4536546f0102ce88568b16ea7538393a33fcca951030f7af10457" "/opt/rustwide/cargo-home/bin/cargo" "+99e3aef02079e9c10583638520cd0c134dc3a01d" "build" "--frozen" "--message-format=json", kill_on_drop: false }` [INFO] [stdout] b4fa2249182f8a5e7cda9f969fa3fda26070d9bcde9a969b84a59cc1373211c2 [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" "b4fa2249182f8a5e7cda9f969fa3fda26070d9bcde9a969b84a59cc1373211c2", kill_on_drop: false }` [INFO] [stderr] Blocking waiting for file lock on package cache [INFO] [stderr] Blocking waiting for file lock on package cache [INFO] [stderr] Compiling 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>, [INFO] [stdout] | ^^^^^^^^^^^^^^^^^^^^^^ help: use `dyn`: `dyn Iterator` [INFO] [stdout] | [INFO] [stdout] = note: `#[warn(bare_trait_objects)]` on by default [INFO] [stdout] = warning: this was previously accepted by the compiler but is being phased out; it will become a hard error in the 2021 edition! [INFO] [stdout] = note: for more information, see issue #80165 [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 Iterator for Heap { [INFO] [stdout] | ^^^^^^^ help: use `dyn`: `dyn Heap` [INFO] [stdout] | [INFO] [stdout] = warning: this was previously accepted by the compiler but is being phased out; it will become a hard error in the 2021 edition! [INFO] [stdout] = note: for more information, see issue #80165 [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: 3 warnings emitted [INFO] [stdout] [INFO] [stdout] [INFO] [stderr] Finished dev [unoptimized + debuginfo] target(s) in 0.63s [INFO] running `Command { std: "docker" "inspect" "b4fa2249182f8a5e7cda9f969fa3fda26070d9bcde9a969b84a59cc1373211c2", kill_on_drop: false }` [INFO] running `Command { std: "docker" "rm" "-f" "b4fa2249182f8a5e7cda9f969fa3fda26070d9bcde9a969b84a59cc1373211c2", kill_on_drop: false }` [INFO] [stdout] b4fa2249182f8a5e7cda9f969fa3fda26070d9bcde9a969b84a59cc1373211c2 [INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-7/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-7/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" "ghcr.io/rust-lang/crates-build-env/linux@sha256:20528e8c29e4536546f0102ce88568b16ea7538393a33fcca951030f7af10457" "/opt/rustwide/cargo-home/bin/cargo" "+99e3aef02079e9c10583638520cd0c134dc3a01d" "test" "--frozen" "--no-run" "--message-format=json", kill_on_drop: false }` [INFO] [stderr] WARNING: Your kernel does not support swap limit capabilities or the cgroup is not mounted. Memory limited without swap. [INFO] [stdout] 4695cd688b1f8a1eabc91158442f40e2997d04a72b79b585002ff466f6f71ee7 [INFO] running `Command { std: "docker" "start" "-a" "4695cd688b1f8a1eabc91158442f40e2997d04a72b79b585002ff466f6f71ee7", kill_on_drop: false }` [INFO] [stderr] Compiling huff v0.1.0 (/opt/rustwide/workdir) [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>, [INFO] [stdout] | ^^^^^^^^^^^^^^^^^^^^^^ help: use `dyn`: `dyn Iterator` [INFO] [stdout] | [INFO] [stdout] = note: `#[warn(bare_trait_objects)]` on by default [INFO] [stdout] = warning: this was previously accepted by the compiler but is being phased out; it will become a hard error in the 2021 edition! [INFO] [stdout] = note: for more information, see issue #80165 [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 Iterator for Heap { [INFO] [stdout] | ^^^^^^^ help: use `dyn`: `dyn Heap` [INFO] [stdout] | [INFO] [stdout] = warning: this was previously accepted by the compiler but is being phased out; it will become a hard error in the 2021 edition! [INFO] [stdout] = note: for more information, see issue #80165 [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" "4695cd688b1f8a1eabc91158442f40e2997d04a72b79b585002ff466f6f71ee7", kill_on_drop: false }` [INFO] running `Command { std: "docker" "rm" "-f" "4695cd688b1f8a1eabc91158442f40e2997d04a72b79b585002ff466f6f71ee7", kill_on_drop: false }` [INFO] [stdout] 4695cd688b1f8a1eabc91158442f40e2997d04a72b79b585002ff466f6f71ee7