[INFO] fetching crate alloc_uefi 0.2.0...
[INFO] testing alloc_uefi-0.2.0 against try#722e1797249a965b6335aebd65d777f917e498f1 for pr-91031
[INFO] extracting crate alloc_uefi 0.2.0 into /workspace/builds/worker-13/source
[INFO] validating manifest of crates.io crate alloc_uefi 0.2.0 on toolchain 722e1797249a965b6335aebd65d777f917e498f1
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+722e1797249a965b6335aebd65d777f917e498f1" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }`
[INFO] started tweaking crates.io crate alloc_uefi 0.2.0
[INFO] finished tweaking crates.io crate alloc_uefi 0.2.0
[INFO] tweaked toml for crates.io crate alloc_uefi 0.2.0 written to /workspace/builds/worker-13/source/Cargo.toml
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+722e1797249a965b6335aebd65d777f917e498f1" "generate-lockfile" "--manifest-path" "Cargo.toml" "-Zno-index-update", kill_on_drop: false }`
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+722e1797249a965b6335aebd65d777f917e498f1" "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-13/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-13/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@sha256:5736fa189c1c60b01babf4b8b698fe57b6ecc41933a7ff2e0b8d7a221459412b" "/opt/rustwide/cargo-home/bin/cargo" "+722e1797249a965b6335aebd65d777f917e498f1" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] b459e00467b65e7dbc8ac08a7ee3cf1359ef8098551c32883f8d3de0126d2e9b
[INFO] running `Command { std: "docker" "start" "-a" "b459e00467b65e7dbc8ac08a7ee3cf1359ef8098551c32883f8d3de0126d2e9b", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "b459e00467b65e7dbc8ac08a7ee3cf1359ef8098551c32883f8d3de0126d2e9b", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "b459e00467b65e7dbc8ac08a7ee3cf1359ef8098551c32883f8d3de0126d2e9b", kill_on_drop: false }`
[INFO] [stdout] b459e00467b65e7dbc8ac08a7ee3cf1359ef8098551c32883f8d3de0126d2e9b
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-13/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-13/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" "ghcr.io/rust-lang/crates-build-env/linux@sha256:5736fa189c1c60b01babf4b8b698fe57b6ecc41933a7ff2e0b8d7a221459412b" "/opt/rustwide/cargo-home/bin/cargo" "+722e1797249a965b6335aebd65d777f917e498f1" "build" "--frozen" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] 7eefb162866ad214772bfb9b586eaa9bfb8224cd8d2366414231b801c4a92dcf
[INFO] running `Command { std: "docker" "start" "-a" "7eefb162866ad214772bfb9b586eaa9bfb8224cd8d2366414231b801c4a92dcf", kill_on_drop: false }`
[INFO] [stderr]    Compiling alloc_uefi v0.2.0 (/opt/rustwide/workdir)
[INFO] [stdout] error[E0557]: feature has been removed
[INFO] [stdout]   --> src/lib.rs:15:12
[INFO] [stdout]    |
[INFO] [stdout] 15 | #![feature(allocator)]
[INFO] [stdout]    |            ^^^^^^^^^ feature has been removed
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error: cannot find attribute `allocator` in this scope
[INFO] [stdout]   --> src/lib.rs:16:4
[INFO] [stdout]    |
[INFO] [stdout] 16 | #![allocator]
[INFO] [stdout]    |    ^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error: cannot determine resolution for the attribute macro `derive`
[INFO] [stdout]    --> src/lib.rs:101:7
[INFO] [stdout]     |
[INFO] [stdout] 101 |     #[derive(Copy, Clone)]
[INFO] [stdout]     |       ^^^^^^
[INFO] [stdout]     |
[INFO] [stdout]     = note: import resolution is stuck, try simplifying macro imports
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error: aborting due to 3 previous errors
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] For more information about this error, try `rustc --explain E0557`.
[INFO] [stdout] 
[INFO] [stderr] error: could not compile `alloc_uefi` due to 4 previous errors
[INFO] running `Command { std: "docker" "inspect" "7eefb162866ad214772bfb9b586eaa9bfb8224cd8d2366414231b801c4a92dcf", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "7eefb162866ad214772bfb9b586eaa9bfb8224cd8d2366414231b801c4a92dcf", kill_on_drop: false }`
[INFO] [stdout] 7eefb162866ad214772bfb9b586eaa9bfb8224cd8d2366414231b801c4a92dcf