[INFO] fetching crate rfc2580 0.3.0...
[INFO] testing rfc2580-0.3.0 against 1.60.0 for beta-1.61-1
[INFO] extracting crate rfc2580 0.3.0 into /workspace/builds/worker-10/source
[INFO] validating manifest of crates.io crate rfc2580 0.3.0 on toolchain 1.60.0
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+1.60.0" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }`
[INFO] started tweaking crates.io crate rfc2580 0.3.0
[INFO] finished tweaking crates.io crate rfc2580 0.3.0
[INFO] tweaked toml for crates.io crate rfc2580 0.3.0 written to /workspace/builds/worker-10/source/Cargo.toml
[INFO] crate crates.io crate rfc2580 0.3.0 already has a lockfile, it will not be regenerated
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+1.60.0" "fetch" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] running `Command { std: "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" "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:eaef2f80f755933c374d2ae5edccceec0c1312ceb8a4e0b6404e8ab76561e1e5" "/opt/rustwide/cargo-home/bin/cargo" "+1.60.0" "metadata" "--no-deps" "--format-version=1", 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] d3cfff8b9f6eca23d477eb6e3848fb78916b46335908a460ddf0c0f5407e3612
[INFO] running `Command { std: "docker" "start" "-a" "d3cfff8b9f6eca23d477eb6e3848fb78916b46335908a460ddf0c0f5407e3612", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "d3cfff8b9f6eca23d477eb6e3848fb78916b46335908a460ddf0c0f5407e3612", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "d3cfff8b9f6eca23d477eb6e3848fb78916b46335908a460ddf0c0f5407e3612", kill_on_drop: false }`
[INFO] [stdout] d3cfff8b9f6eca23d477eb6e3848fb78916b46335908a460ddf0c0f5407e3612
[INFO] running `Command { std: "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" "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:eaef2f80f755933c374d2ae5edccceec0c1312ceb8a4e0b6404e8ab76561e1e5" "/opt/rustwide/cargo-home/bin/cargo" "+1.60.0" "build" "--frozen" "--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] 47dd685a4d6be07ddcb4e3370b8801e3f282bf542cef6c5fc6414810805f2028
[INFO] running `Command { std: "docker" "start" "-a" "47dd685a4d6be07ddcb4e3370b8801e3f282bf542cef6c5fc6414810805f2028", kill_on_drop: false }`
[INFO] [stderr]    Compiling rfc2580 v0.3.0 (/opt/rustwide/workdir)
[INFO] [stdout] error[E0432]: unresolved import `core::raw`
[INFO] [stdout]   --> src/lib.rs:54:52
[INFO] [stdout]    |
[INFO] [stdout] 54 | use core::{marker::PhantomData, mem, ptr::NonNull, raw::TraitObject};
[INFO] [stdout]    |                                                    ^^^ could not find `raw` in `core`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error[E0554]: `#![feature]` may not be used on the stable release channel
[INFO] [stdout]  --> src/lib.rs:2:1
[INFO] [stdout]   |
[INFO] [stdout] 2 | #![feature(raw)]
[INFO] [stdout]   | ^^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error[E0554]: `#![feature]` may not be used on the stable release channel
[INFO] [stdout]  --> src/lib.rs:3:1
[INFO] [stdout]   |
[INFO] [stdout] 3 | #![feature(specialization)]
[INFO] [stdout]   | ^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error: aborting due to 3 previous errors
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] Some errors have detailed explanations: E0432, E0554.
[INFO] [stdout] 
[INFO] [stdout] For more information about an error, try `rustc --explain E0432`.
[INFO] [stdout] 
[INFO] [stderr] error: could not compile `rfc2580` due to 4 previous errors
[INFO] running `Command { std: "docker" "inspect" "47dd685a4d6be07ddcb4e3370b8801e3f282bf542cef6c5fc6414810805f2028", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "47dd685a4d6be07ddcb4e3370b8801e3f282bf542cef6c5fc6414810805f2028", kill_on_drop: false }`
[INFO] [stdout] 47dd685a4d6be07ddcb4e3370b8801e3f282bf542cef6c5fc6414810805f2028