[INFO] crate alloc-wg 0.5.1 is already in cache
[INFO] checking alloc-wg-0.5.1 against try#8810c24b0958114d8dbb32d878444e8956fce80f for pr-66063
[INFO] extracting crate alloc-wg 0.5.1 into /workspace/builds/worker-4/source
[INFO] validating manifest of crates.io crate alloc-wg 0.5.1 on toolchain 8810c24b0958114d8dbb32d878444e8956fce80f
[INFO] running `"/workspace/cargo-home/bin/cargo" "+8810c24b0958114d8dbb32d878444e8956fce80f" "read-manifest" "--manifest-path" "Cargo.toml"`
[INFO] started tweaking crates.io crate alloc-wg 0.5.1
[INFO] finished tweaking crates.io crate alloc-wg 0.5.1
[INFO] tweaked toml for crates.io crate alloc-wg 0.5.1 written to /workspace/builds/worker-4/source/Cargo.toml
[INFO] running `"/workspace/cargo-home/bin/cargo" "+8810c24b0958114d8dbb32d878444e8956fce80f" "generate-lockfile" "--manifest-path" "Cargo.toml" "-Zno-index-update"`
[INFO] running `"/workspace/cargo-home/bin/cargo" "+8810c24b0958114d8dbb32d878444e8956fce80f" "fetch" "--locked" "--manifest-path" "Cargo.toml"`
[INFO] running `"docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-4/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-4/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" "MAP_USER_ID=0" "-e" "CARGO_TARGET_DIR=/opt/rustwide/target" "-e" "CARGO_INCREMENTAL=0" "-e" "RUST_BACKTRACE=full" "-e" "RUSTFLAGS=--cap-lints=allow" "-e" "CARGO_HOME=/opt/rustwide/cargo-home" "-e" "RUSTUP_HOME=/opt/rustwide/rustup-home" "-w" "/opt/rustwide/workdir" "-m" "1610612736" "--network" "none" "rustops/crates-build-env" "/opt/rustwide/cargo-home/bin/cargo" "+8810c24b0958114d8dbb32d878444e8956fce80f" "check" "--frozen" "--all" "--all-targets"`
[INFO] [stderr] WARNING: Your kernel does not support swap limit capabilities or the cgroup is not mounted. Memory limited without swap.
[INFO] [stdout] 567d5906a9fd6f8822c286425252a42282cf98f86f84d6da57aea9ac07c29a11
[INFO] running `"docker" "start" "-a" "567d5906a9fd6f8822c286425252a42282cf98f86f84d6da57aea9ac07c29a11"`
[INFO] [stderr]     Blocking waiting for file lock on package cache
[INFO] [stderr]     Checking alloc-wg v0.5.1 (/opt/rustwide/workdir)
[INFO] [stderr] error[E0658]: const generics are unstable
[INFO] [stderr]     --> src/boxed.rs:1104:9
[INFO] [stderr]      |
[INFO] [stderr] 1104 | impl<T, const N: usize> core::convert::TryFrom<Box<[T]>> for Box<[T; N]>
[INFO] [stderr]      |         ^^^^^^^^^^^^^^
[INFO] [stderr]      |
[INFO] [stderr]      = note: for more information, see https://github.com/rust-lang/rust/issues/44580
[INFO] [stderr] 
[INFO] [stderr] error[E0658]: const generics are unstable
[INFO] [stderr]     --> src/boxed.rs:1104:9
[INFO] [stderr]      |
[INFO] [stderr] 1104 | impl<T, const N: usize> core::convert::TryFrom<Box<[T]>> for Box<[T; N]>
[INFO] [stderr]      |         ^^^^^^^^^^^^^^
[INFO] [stderr]      |
[INFO] [stderr]      = note: for more information, see https://github.com/rust-lang/rust/issues/44580
[INFO] [stderr] 
[INFO] [stderr] error: aborting due to previous error
[INFO] [stderr] 
[INFO] [stderr] For more information about this error, try `rustc --explain E0658`.
[INFO] [stderr] error: could not compile `alloc-wg`.
[INFO] [stderr] warning: build failed, waiting for other jobs to finish...
[INFO] [stderr] error: aborting due to previous error
[INFO] [stderr] 
[INFO] [stderr] For more information about this error, try `rustc --explain E0658`.
[INFO] [stderr] error: could not compile `alloc-wg`.
[INFO] [stderr] 
[INFO] [stderr] To learn more, run the command again with --verbose.
[INFO] running `"docker" "inspect" "567d5906a9fd6f8822c286425252a42282cf98f86f84d6da57aea9ac07c29a11"`
[INFO] running `"docker" "rm" "-f" "567d5906a9fd6f8822c286425252a42282cf98f86f84d6da57aea9ac07c29a11"`
[INFO] [stdout] 567d5906a9fd6f8822c286425252a42282cf98f86f84d6da57aea9ac07c29a11