[INFO] fetching crate airmash-protocol 0.3.0...
[INFO] testing airmash-protocol-0.3.0 against 1.54.0 for beta-1.55-1
[INFO] extracting crate airmash-protocol 0.3.0 into /workspace/builds/worker-9/source
[INFO] validating manifest of crates.io crate airmash-protocol 0.3.0 on toolchain 1.54.0
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+1.54.0" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }`
[INFO] started tweaking crates.io crate airmash-protocol 0.3.0
[INFO] finished tweaking crates.io crate airmash-protocol 0.3.0
[INFO] tweaked toml for crates.io crate airmash-protocol 0.3.0 written to /workspace/builds/worker-9/source/Cargo.toml
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+1.54.0" "generate-lockfile" "--manifest-path" "Cargo.toml" "-Zno-index-update", kill_on_drop: false }`
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+1.54.0" "fetch" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] [stderr]     Blocking waiting for file lock on package cache
[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@sha256:34b6a614d2c27851fe6cbf88fbd1137609cefab8b10d0615aaeb6fd47975d74e" "/opt/rustwide/cargo-home/bin/cargo" "+1.54.0" "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] 86c4539b09366986f87c30d31d1040e422958980a2e69c0e7ceabb0da08e9952
[INFO] running `Command { std: "docker" "start" "-a" "86c4539b09366986f87c30d31d1040e422958980a2e69c0e7ceabb0da08e9952", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "86c4539b09366986f87c30d31d1040e422958980a2e69c0e7ceabb0da08e9952", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "86c4539b09366986f87c30d31d1040e422958980a2e69c0e7ceabb0da08e9952", kill_on_drop: false }`
[INFO] [stdout] 86c4539b09366986f87c30d31d1040e422958980a2e69c0e7ceabb0da08e9952
[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@sha256:34b6a614d2c27851fe6cbf88fbd1137609cefab8b10d0615aaeb6fd47975d74e" "/opt/rustwide/cargo-home/bin/cargo" "+1.54.0" "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] 411697682a6dc6901e864eeda190d86b25935bce88d420ef0748100455dd6a61
[INFO] running `Command { std: "docker" "start" "-a" "411697682a6dc6901e864eeda190d86b25935bce88d420ef0748100455dd6a61", kill_on_drop: false }`
[INFO] [stderr]    Compiling unicode-xid v0.1.0
[INFO] [stderr]    Compiling syn v0.15.44
[INFO] [stderr]    Compiling unicode-xid v0.0.4
[INFO] [stderr]    Compiling dimensioned v0.7.0
[INFO] [stderr]    Compiling quote v0.3.15
[INFO] [stderr]    Compiling generic-array v0.11.2
[INFO] [stderr]    Compiling num-traits v0.1.43
[INFO] [stderr]    Compiling specs-derive v0.4.1
[INFO] [stderr]    Compiling synom v0.11.3
[INFO] [stderr]    Compiling proc-macro2 v0.4.30
[INFO] [stderr]    Compiling syn v0.11.11
[INFO] [stderr]    Compiling quote v0.6.13
[INFO] [stderr]    Compiling enum-primitive-derive v0.1.2
[INFO] [stderr]    Compiling derive_more v0.13.0
[INFO] [stderr]    Compiling airmash-protocol v0.3.0 (/opt/rustwide/workdir)
[INFO] [stdout] error[E0557]: feature has been removed
[INFO] [stdout]  --> src/lib.rs:1:22
[INFO] [stdout]   |
[INFO] [stdout] 1 | #![feature(try_from, optin_builtin_traits)]
[INFO] [stdout]   |                      ^^^^^^^^^^^^^^^^^^^^ feature has been removed
[INFO] [stdout]   |
[INFO] [stdout]   = note: renamed to `auto_traits`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error[E0554]: `#![feature]` may not be used on the stable release channel
[INFO] [stdout]  --> src/lib.rs:1:1
[INFO] [stdout]   |
[INFO] [stdout] 1 | #![feature(try_from, optin_builtin_traits)]
[INFO] [stdout]   | ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error[E0658]: auto traits are experimental and possibly buggy
[INFO] [stdout]   --> src/types/vector2.rs:15:1
[INFO] [stdout]    |
[INFO] [stdout] 15 | pub auto trait NotVec {}
[INFO] [stdout]    | ^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout]    |
[INFO] [stdout]    = note: see issue #13231 <https://github.com/rust-lang/rust/issues/13231> for more information
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error[E0658]: negative trait bounds are not yet fully implemented; use marker types for now
[INFO] [stdout]   --> src/types/vector2.rs:16:9
[INFO] [stdout]    |
[INFO] [stdout] 16 | impl<T> !NotVec for Vector2<T> {}
[INFO] [stdout]    |         ^^^^^^^
[INFO] [stdout]    |
[INFO] [stdout]    = note: see issue #68318 <https://github.com/rust-lang/rust/issues/68318> for more information
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: trait objects without an explicit `dyn` are deprecated
[INFO] [stdout]  --> src/traits.rs:5:33
[INFO] [stdout]   |
[INFO] [stdout] 5 | type ServerPacketIterator = Box<Iterator<Item = Vec<u8>>>;
[INFO] [stdout]   |                                 ^^^^^^^^^^^^^^^^^^^^^^^^ help: use `dyn`: `dyn Iterator<Item = Vec<u8>>`
[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 <https://github.com/rust-lang/rust/issues/80165>
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error: aborting due to 4 previous errors; 1 warning emitted
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] Some errors have detailed explanations: E0554, E0557, E0658.
[INFO] [stdout] 
[INFO] [stdout] For more information about an error, try `rustc --explain E0554`.
[INFO] [stdout] 
[INFO] [stderr] error: could not compile `airmash-protocol`
[INFO] [stderr] 
[INFO] [stderr] To learn more, run the command again with --verbose.
[INFO] running `Command { std: "docker" "inspect" "411697682a6dc6901e864eeda190d86b25935bce88d420ef0748100455dd6a61", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "411697682a6dc6901e864eeda190d86b25935bce88d420ef0748100455dd6a61", kill_on_drop: false }`
[INFO] [stdout] 411697682a6dc6901e864eeda190d86b25935bce88d420ef0748100455dd6a61
