[INFO] fetching crate ps2-mouse 0.1.4...
[INFO] testing ps2-mouse-0.1.4 against 1.60.0 for beta-1.61-1
[INFO] extracting crate ps2-mouse 0.1.4 into /workspace/builds/worker-54/source
[INFO] validating manifest of crates.io crate ps2-mouse 0.1.4 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] removed /workspace/builds/worker-54/source/rust-toolchain
[INFO] started tweaking crates.io crate ps2-mouse 0.1.4
[INFO] finished tweaking crates.io crate ps2-mouse 0.1.4
[INFO] tweaked toml for crates.io crate ps2-mouse 0.1.4 written to /workspace/builds/worker-54/source/Cargo.toml
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+1.60.0" "generate-lockfile" "--manifest-path" "Cargo.toml" "-Zno-index-update", kill_on_drop: false }`
[INFO] [stderr]     Blocking waiting for file lock on package cache
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+1.60.0" "fetch" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] [stderr]     Blocking waiting for file lock on package cache
[INFO] [stderr]  Downloading crates ...
[INFO] [stderr]   Downloaded volatile v0.4.4
[INFO] [stderr]   Downloaded bit_field v0.10.1
[INFO] [stderr]   Downloaded x86_64 v0.14.9
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-54/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-54/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" "+1.60.0" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] 61a1d966e90586e0a208e2b4109c066974ded0b6876af0d15784bf6553cab073
[INFO] running `Command { std: "docker" "start" "-a" "61a1d966e90586e0a208e2b4109c066974ded0b6876af0d15784bf6553cab073", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "61a1d966e90586e0a208e2b4109c066974ded0b6876af0d15784bf6553cab073", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "61a1d966e90586e0a208e2b4109c066974ded0b6876af0d15784bf6553cab073", kill_on_drop: false }`
[INFO] [stdout] 61a1d966e90586e0a208e2b4109c066974ded0b6876af0d15784bf6553cab073
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-54/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-54/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" "+1.60.0" "build" "--frozen" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] 21fb87be9964c0ad1a52aaf70816644cd5587bb1a723e399e4f55972d1d349db
[INFO] running `Command { std: "docker" "start" "-a" "21fb87be9964c0ad1a52aaf70816644cd5587bb1a723e399e4f55972d1d349db", kill_on_drop: false }`
[INFO] [stderr]    Compiling rustversion v1.0.6
[INFO] [stderr]    Compiling bit_field v0.10.1
[INFO] [stderr]    Compiling volatile v0.4.4
[INFO] [stderr]    Compiling bitflags v1.3.2
[INFO] [stderr]    Compiling x86_64 v0.14.9
[INFO] [stdout] error[E0554]: `#![feature]` may not be used on the stable release channel
[INFO] [stdout]  --> /opt/rustwide/cargo-home/registry/src/github.com-1ecc6299db9ec823/x86_64-0.14.9/src/lib.rs:5:35
[INFO] [stdout]   |
[INFO] [stdout] 5 | #![cfg_attr(feature = "const_fn", feature(const_mut_refs))] // GDT add_entry()
[INFO] [stdout]   |                                   ^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error[E0554]: `#![feature]` may not be used on the stable release channel
[INFO] [stdout]  --> /opt/rustwide/cargo-home/registry/src/github.com-1ecc6299db9ec823/x86_64-0.14.9/src/lib.rs:6:44
[INFO] [stdout]   |
[INFO] [stdout] 6 | #![cfg_attr(feature = "abi_x86_interrupt", feature(abi_x86_interrupt))]
[INFO] [stdout]   |                                            ^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error[E0554]: `#![feature]` may not be used on the stable release channel
[INFO] [stdout]  --> /opt/rustwide/cargo-home/registry/src/github.com-1ecc6299db9ec823/x86_64-0.14.9/src/lib.rs:7:37
[INFO] [stdout]   |
[INFO] [stdout] 7 | #![cfg_attr(feature = "step_trait", feature(step_trait))]
[INFO] [stdout]   |                                     ^^^^^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error[E0554]: `#![feature]` may not be used on the stable release channel
[INFO] [stdout]  --> /opt/rustwide/cargo-home/registry/src/github.com-1ecc6299db9ec823/x86_64-0.14.9/src/lib.rs:8:34
[INFO] [stdout]   |
[INFO] [stdout] 8 | #![cfg_attr(feature = "doc_cfg", feature(doc_cfg))]
[INFO] [stdout]   |                                  ^^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error: aborting due to 4 previous errors
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] For more information about this error, try `rustc --explain E0554`.
[INFO] [stdout] 
[INFO] [stderr] error: could not compile `x86_64` due to 5 previous errors
[INFO] running `Command { std: "docker" "inspect" "21fb87be9964c0ad1a52aaf70816644cd5587bb1a723e399e4f55972d1d349db", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "21fb87be9964c0ad1a52aaf70816644cd5587bb1a723e399e4f55972d1d349db", kill_on_drop: false }`
[INFO] [stdout] 21fb87be9964c0ad1a52aaf70816644cd5587bb1a723e399e4f55972d1d349db