[INFO] cloning repository https://github.com/Logarithmus/sorts-rs
[INFO] running `Command { std: "git" "-c" "credential.helper=" "-c" "credential.helper=/workspace/cargo-home/bin/git-credential-null" "clone" "--bare" "https://github.com/Logarithmus/sorts-rs" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2FLogarithmus%2Fsorts-rs", kill_on_drop: false }`
[INFO] [stderr] Cloning into bare repository '/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2FLogarithmus%2Fsorts-rs'...
[INFO] running `Command { std: "git" "rev-parse" "HEAD", kill_on_drop: false }`
[INFO] [stdout] 995f78660aa46ea77d912894f55e1686ecf75087
[INFO] checking Logarithmus/sorts-rs against beta for pr-78714
[INFO] running `Command { std: "git" "clone" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2FLogarithmus%2Fsorts-rs" "/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/Logarithmus/sorts-rs 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/Logarithmus/sorts-rs
[INFO] finished tweaking git repo https://github.com/Logarithmus/sorts-rs
[INFO] tweaked toml for git repo https://github.com/Logarithmus/sorts-rs written to /workspace/builds/worker-12/source/Cargo.toml
[INFO] crate git repo https://github.com/Logarithmus/sorts-rs 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] [stderr]     Blocking waiting for file lock on package cache
[INFO] [stderr]     Blocking waiting for file lock on package cache
[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] f545469ef4df22b0009558201b1fb3b66f683079bfa17abd33b9217c4c1eef0e
[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" "f545469ef4df22b0009558201b1fb3b66f683079bfa17abd33b9217c4c1eef0e", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "f545469ef4df22b0009558201b1fb3b66f683079bfa17abd33b9217c4c1eef0e", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "f545469ef4df22b0009558201b1fb3b66f683079bfa17abd33b9217c4c1eef0e", kill_on_drop: false }`
[INFO] [stdout] f545469ef4df22b0009558201b1fb3b66f683079bfa17abd33b9217c4c1eef0e
[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] d9a9b2b4db310748d0e34c4f57730de414dfd85ffc3533e9a1f36b280ecc8ea2
[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" "d9a9b2b4db310748d0e34c4f57730de414dfd85ffc3533e9a1f36b280ecc8ea2", kill_on_drop: false }`
[INFO] [stderr]    Compiling memchr v2.2.1
[INFO] [stderr]    Compiling syn v1.0.8
[INFO] [stderr]     Checking cast v0.2.2
[INFO] [stderr]     Checking itertools v0.8.1
[INFO] [stderr]     Checking tinytemplate v1.0.2
[INFO] [stderr]     Checking rand_xoshiro v0.3.1
[INFO] [stderr]     Checking rand_os v0.2.2
[INFO] [stderr]     Checking clap v2.33.0
[INFO] [stderr]     Checking sorts_rs v0.1.0 (/opt/rustwide/workdir)
[INFO] [stderr]     Checking rayon-core v1.6.0
[INFO] [stdout] error[E0404]: expected trait, found derive macro `Debug`
[INFO] [stdout]  --> src/sort.rs:5:29
[INFO] [stdout]   |
[INFO] [stdout] 5 | pub fn bubble_sort<T: Ord + Debug>(slice: &mut [T]) {
[INFO] [stdout]   |                             ^^^^^ not a trait
[INFO] [stdout]   |
[INFO] [stdout] help: consider importing one of these items instead
[INFO] [stdout]   |
[INFO] [stdout] 1 | use core::fmt::Debug;
[INFO] [stdout]   |
[INFO] [stdout] 1 | use crate::test::Debug;
[INFO] [stdout]   |
[INFO] [stdout] 1 | use std::fmt::Debug;
[INFO] [stdout]   |
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused import: `rand::Rng`
[INFO] [stdout]  --> src/test.rs:4:5
[INFO] [stdout]   |
[INFO] [stdout] 4 | use rand::Rng;
[INFO] [stdout]   |     ^^^^^^^^^
[INFO] [stdout]   |
[INFO] [stdout]   = note: `#[warn(unused_imports)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused import: `Shl`
[INFO] [stdout]  --> src/sort.rs:1:25
[INFO] [stdout]   |
[INFO] [stdout] 1 | use core::ops::{BitAnd, Shl, Shr};
[INFO] [stdout]   |                         ^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error: aborting due to previous error; 2 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 `sorts_rs`
[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 `Command { std: "docker" "inspect" "d9a9b2b4db310748d0e34c4f57730de414dfd85ffc3533e9a1f36b280ecc8ea2", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "d9a9b2b4db310748d0e34c4f57730de414dfd85ffc3533e9a1f36b280ecc8ea2", kill_on_drop: false }`
[INFO] [stdout] d9a9b2b4db310748d0e34c4f57730de414dfd85ffc3533e9a1f36b280ecc8ea2