[INFO] cloning repository https://github.com/Phantomical/hamerkop
[INFO] running `Command { std: "git" "-c" "credential.helper=" "-c" "credential.helper=/workspace/cargo-home/bin/git-credential-null" "clone" "--bare" "https://github.com/Phantomical/hamerkop" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2FPhantomical%2Fhamerkop", kill_on_drop: false }`
[INFO] [stderr] Cloning into bare repository '/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2FPhantomical%2Fhamerkop'...
[INFO] running `Command { std: "git" "rev-parse" "HEAD", kill_on_drop: false }`
[INFO] [stdout] 5e9e4ec4549964e0f85d2a51ef2929a28b92c912
[INFO] testing Phantomical/hamerkop against beta-2022-04-10 for beta-1.61-1
[INFO] running `Command { std: "git" "clone" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2FPhantomical%2Fhamerkop" "/workspace/builds/worker-9/source", kill_on_drop: false }`
[INFO] [stderr] Cloning into '/workspace/builds/worker-9/source'...
[INFO] [stderr] done.
[INFO] validating manifest of git repo https://github.com/Phantomical/hamerkop on toolchain beta-2022-04-10
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+beta-2022-04-10" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }`
[INFO] started tweaking git repo https://github.com/Phantomical/hamerkop
[INFO] finished tweaking git repo https://github.com/Phantomical/hamerkop
[INFO] tweaked toml for git repo https://github.com/Phantomical/hamerkop written to /workspace/builds/worker-9/source/Cargo.toml
[INFO] crate git repo https://github.com/Phantomical/hamerkop already has a lockfile, it will not be regenerated
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+beta-2022-04-10" "fetch" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-9/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-9/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:b0c94ce3c1162fcb8e57cac5b65ec2f72eabb1eebea4fcc35e269e823f681646" "/opt/rustwide/cargo-home/bin/cargo" "+beta-2022-04-10" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] 9f36d950aa72e6a96ab9cf6cbc5d0d6a60f3b8be791778349741177f0b8ae998
[INFO] running `Command { std: "docker" "start" "-a" "9f36d950aa72e6a96ab9cf6cbc5d0d6a60f3b8be791778349741177f0b8ae998", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "9f36d950aa72e6a96ab9cf6cbc5d0d6a60f3b8be791778349741177f0b8ae998", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "9f36d950aa72e6a96ab9cf6cbc5d0d6a60f3b8be791778349741177f0b8ae998", kill_on_drop: false }`
[INFO] [stdout] 9f36d950aa72e6a96ab9cf6cbc5d0d6a60f3b8be791778349741177f0b8ae998
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-9/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-9/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=warn" "-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:b0c94ce3c1162fcb8e57cac5b65ec2f72eabb1eebea4fcc35e269e823f681646" "/opt/rustwide/cargo-home/bin/cargo" "+beta-2022-04-10" "build" "--frozen" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] fcb1f096b746a2c1b470a3f01080473ddefd992b44b98bde8fad0e56f95e524a
[INFO] running `Command { std: "docker" "start" "-a" "fcb1f096b746a2c1b470a3f01080473ddefd992b44b98bde8fad0e56f95e524a", kill_on_drop: false }`
[INFO] [stderr]    Compiling syn v1.0.56
[INFO] [stderr]    Compiling cc v1.0.66
[INFO] [stderr]    Compiling libc v0.2.81
[INFO] [stderr]    Compiling log v0.4.11
[INFO] [stderr]    Compiling arrayvec v0.5.2
[INFO] [stderr]    Compiling cooked-waker v5.0.0
[INFO] [stderr]    Compiling slab v0.1.0 (/opt/rustwide/workdir/slab)
[INFO] [stderr]    Compiling quote v1.0.8
[INFO] [stderr]    Compiling fxhash v0.2.1
[INFO] [stderr]    Compiling uring v0.1.0 (/opt/rustwide/workdir/uring)
[INFO] [stdout] warning: field is never read: `kdropped`
[INFO] [stdout]   --> uring/src/detail.rs:40:3
[INFO] [stdout]    |
[INFO] [stdout] 40 |   pub kdropped:       *mut u32,
[INFO] [stdout]    |   ^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout]    |
[INFO] [stdout]    = note: `#[warn(dead_code)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: field is never read: `sqe_head`
[INFO] [stdout]   --> uring/src/detail.rs:44:3
[INFO] [stdout]    |
[INFO] [stdout] 44 |   pub sqe_head:       u32,
[INFO] [stdout]    |   ^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: field is never read: `kring_entries`
[INFO] [stdout]   --> uring/src/detail.rs:56:3
[INFO] [stdout]    |
[INFO] [stdout] 56 |   pub kring_entries:  *mut u32,
[INFO] [stdout]    |   ^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: field is never read: `kflags`
[INFO] [stdout]   --> uring/src/detail.rs:57:3
[INFO] [stdout]    |
[INFO] [stdout] 57 |   pub kflags:         *mut u32,
[INFO] [stdout]    |   ^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: field is never read: `koverflow`
[INFO] [stdout]   --> uring/src/detail.rs:58:3
[INFO] [stdout]    |
[INFO] [stdout] 58 |   pub koverflow:      *mut u32,
[INFO] [stdout]    |   ^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: 5 warnings emitted
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr]    Compiling linkme-impl v0.2.2
[INFO] [stderr]    Compiling tokenreplace v0.1.0 (/opt/rustwide/workdir/tokenreplace)
[INFO] [stderr]    Compiling linkme v0.2.2
[INFO] [stderr]    Compiling metrics v0.1.0 (/opt/rustwide/workdir/metrics)
[INFO] [stderr]    Compiling hamerkop v0.1.0 (/opt/rustwide/workdir/hamerkop)
[INFO] [stdout] error[E0554]: `#![feature]` may not be used on the beta release channel
[INFO] [stdout]  --> hamerkop/src/lib.rs:3:1
[INFO] [stdout]   |
[INFO] [stdout] 3 | #![feature(min_specialization, min_const_generics)]
[INFO] [stdout]   | ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout]   |
[INFO] [stdout]   = help: the feature `min_const_generics` has been stable since 1.51.0 and no longer requires an attribute to enable
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: the feature `min_const_generics` has been stable since 1.51.0 and no longer requires an attribute to enable
[INFO] [stdout]  --> hamerkop/src/lib.rs:3:32
[INFO] [stdout]   |
[INFO] [stdout] 3 | #![feature(min_specialization, min_const_generics)]
[INFO] [stdout]   |                                ^^^^^^^^^^^^^^^^^^
[INFO] [stdout]   |
[INFO] [stdout]   = note: `#[warn(stable_features)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error: cannot specialize on trait `Clone`
[INFO] [stdout]   --> hamerkop/src/fixedvec.rs:24:1
[INFO] [stdout]    |
[INFO] [stdout] 24 | / impl<T: Copy> IsCopy for T {
[INFO] [stdout] 25 | |   #[inline(always)]
[INFO] [stdout] 26 | |   fn is_copy() -> bool { true }
[INFO] [stdout] 27 | | }
[INFO] [stdout]    | |_^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error: aborting due to 2 previous errors; 1 warning emitted
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] For more information about this error, try `rustc --explain E0554`.
[INFO] [stdout] 
[INFO] [stderr] error: could not compile `hamerkop` due to 3 previous errors; 1 warning emitted
[INFO] running `Command { std: "docker" "inspect" "fcb1f096b746a2c1b470a3f01080473ddefd992b44b98bde8fad0e56f95e524a", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "fcb1f096b746a2c1b470a3f01080473ddefd992b44b98bde8fad0e56f95e524a", kill_on_drop: false }`
[INFO] [stdout] fcb1f096b746a2c1b470a3f01080473ddefd992b44b98bde8fad0e56f95e524a