[INFO] fetching crate aren_alloc 0.3.0...
[INFO] testing aren_alloc-0.3.0 against 1.75.0 for beta-1.76-1
[INFO] extracting crate aren_alloc 0.3.0 into /workspace/builds/worker-5-tc1/source
[INFO] validating manifest of crates.io crate aren_alloc 0.3.0 on toolchain 1.75.0
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+1.75.0" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }`
[INFO] started tweaking crates.io crate aren_alloc 0.3.0
[INFO] finished tweaking crates.io crate aren_alloc 0.3.0
[INFO] tweaked toml for crates.io crate aren_alloc 0.3.0 written to /workspace/builds/worker-5-tc1/source/Cargo.toml
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+1.75.0" "generate-lockfile" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+1.75.0" "fetch" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-5-tc1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-5-tc1/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@sha256:2788e3201cd34a07e3172128adcd8b3090168a8e3bcc40d7c032b9dda1df7d1c" "/opt/rustwide/cargo-home/bin/cargo" "+1.75.0" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] 0249a135c54b1b5df956d8565c95bc8931fc5c204ef3f5b76208e15171c64eda
[INFO] running `Command { std: "docker" "start" "-a" "0249a135c54b1b5df956d8565c95bc8931fc5c204ef3f5b76208e15171c64eda", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "0249a135c54b1b5df956d8565c95bc8931fc5c204ef3f5b76208e15171c64eda", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "0249a135c54b1b5df956d8565c95bc8931fc5c204ef3f5b76208e15171c64eda", kill_on_drop: false }`
[INFO] [stdout] 0249a135c54b1b5df956d8565c95bc8931fc5c204ef3f5b76208e15171c64eda
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-5-tc1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-5-tc1/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" "RUSTDOCFLAGS=--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@sha256:2788e3201cd34a07e3172128adcd8b3090168a8e3bcc40d7c032b9dda1df7d1c" "/opt/rustwide/cargo-home/bin/cargo" "+1.75.0" "build" "--frozen" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] f0204d15e01caf221e9a355e29890d0018c10d9b3b7e67fc36a82e0004d9da04
[INFO] running `Command { std: "docker" "start" "-a" "f0204d15e01caf221e9a355e29890d0018c10d9b3b7e67fc36a82e0004d9da04", kill_on_drop: false }`
[INFO] [stderr]    Compiling aren_alloc v0.3.0 (/opt/rustwide/workdir)
[INFO] [stdout] error[E0554]: `#![feature]` may not be used on the stable release channel
[INFO] [stdout]   --> src/lib.rs:31:12
[INFO] [stdout]    |
[INFO] [stdout] 31 | #![feature(coerce_unsized)]
[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:32:12
[INFO] [stdout]    |
[INFO] [stdout] 32 | #![feature(unsize)]
[INFO] [stdout]    |            ^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error: aborting due to 2 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 `aren_alloc` (lib) due to 3 previous errors
[INFO] running `Command { std: "docker" "inspect" "f0204d15e01caf221e9a355e29890d0018c10d9b3b7e67fc36a82e0004d9da04", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "f0204d15e01caf221e9a355e29890d0018c10d9b3b7e67fc36a82e0004d9da04", kill_on_drop: false }`
[INFO] [stdout] f0204d15e01caf221e9a355e29890d0018c10d9b3b7e67fc36a82e0004d9da04
[INFO] testing aren_alloc-0.3.0 against beta-2023-12-22 for beta-1.76-1
[INFO] extracting crate aren_alloc 0.3.0 into /workspace/builds/worker-5-tc2/source
[INFO] validating manifest of crates.io crate aren_alloc 0.3.0 on toolchain beta-2023-12-22
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+beta-2023-12-22" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }`
[INFO] started tweaking crates.io crate aren_alloc 0.3.0
[INFO] finished tweaking crates.io crate aren_alloc 0.3.0
[INFO] tweaked toml for crates.io crate aren_alloc 0.3.0 written to /workspace/builds/worker-5-tc2/source/Cargo.toml
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+beta-2023-12-22" "generate-lockfile" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] [stderr]     Blocking waiting for file lock on package cache
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+beta-2023-12-22" "fetch" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-5-tc2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-5-tc2/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@sha256:2788e3201cd34a07e3172128adcd8b3090168a8e3bcc40d7c032b9dda1df7d1c" "/opt/rustwide/cargo-home/bin/cargo" "+beta-2023-12-22" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] d92f66e336e261507e0db45e5e88679e7117712edb3ba456bf135a69c37db61b
[INFO] running `Command { std: "docker" "start" "-a" "d92f66e336e261507e0db45e5e88679e7117712edb3ba456bf135a69c37db61b", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "d92f66e336e261507e0db45e5e88679e7117712edb3ba456bf135a69c37db61b", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "d92f66e336e261507e0db45e5e88679e7117712edb3ba456bf135a69c37db61b", kill_on_drop: false }`
[INFO] [stdout] d92f66e336e261507e0db45e5e88679e7117712edb3ba456bf135a69c37db61b
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-5-tc2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-5-tc2/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" "RUSTDOCFLAGS=--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@sha256:2788e3201cd34a07e3172128adcd8b3090168a8e3bcc40d7c032b9dda1df7d1c" "/opt/rustwide/cargo-home/bin/cargo" "+beta-2023-12-22" "build" "--frozen" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] cd51e7fc8f0806fa0a1062a16c3475ce69f5a700b7d0ad3a472bb9132e8bbdb6
[INFO] running `Command { std: "docker" "start" "-a" "cd51e7fc8f0806fa0a1062a16c3475ce69f5a700b7d0ad3a472bb9132e8bbdb6", kill_on_drop: false }`
[INFO] [stderr]    Compiling aren_alloc v0.3.0 (/opt/rustwide/workdir)
[INFO] [stdout] error[E0554]: `#![feature]` may not be used on the beta release channel
[INFO] [stdout]   --> src/lib.rs:31:12
[INFO] [stdout]    |
[INFO] [stdout] 31 | #![feature(coerce_unsized)]
[INFO] [stdout]    |            ^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error[E0554]: `#![feature]` may not be used on the beta release channel
[INFO] [stdout]   --> src/lib.rs:32:12
[INFO] [stdout]    |
[INFO] [stdout] 32 | #![feature(unsize)]
[INFO] [stdout]    |            ^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error: aborting due to 2 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 `aren_alloc` (lib) due to 3 previous errors
[INFO] running `Command { std: "docker" "inspect" "cd51e7fc8f0806fa0a1062a16c3475ce69f5a700b7d0ad3a472bb9132e8bbdb6", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "cd51e7fc8f0806fa0a1062a16c3475ce69f5a700b7d0ad3a472bb9132e8bbdb6", kill_on_drop: false }`
[INFO] [stdout] cd51e7fc8f0806fa0a1062a16c3475ce69f5a700b7d0ad3a472bb9132e8bbdb6
