[INFO] fetching crate rlibcex 0.1.2...
[INFO] testing rlibcex-0.1.2 against beta-2023-04-20 for beta-1.70-1
[INFO] extracting crate rlibcex 0.1.2 into /workspace/builds/worker-7-tc2/source
[INFO] validating manifest of crates.io crate rlibcex 0.1.2 on toolchain beta-2023-04-20
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+beta-2023-04-20" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }`
[INFO] started tweaking crates.io crate rlibcex 0.1.2
[INFO] finished tweaking crates.io crate rlibcex 0.1.2
[INFO] tweaked toml for crates.io crate rlibcex 0.1.2 written to /workspace/builds/worker-7-tc2/source/Cargo.toml
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" __CARGO_TEST_CHANNEL_OVERRIDE_DO_NOT_USE_THIS="nightly" "/workspace/cargo-home/bin/cargo" "+beta-2023-04-20" "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: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+beta-2023-04-20" "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-7-tc2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-7-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@sha256:5ff2268d62e97bff2cde7d5815dd6ed5b47097566f13b8d0ca110b04b60e07ed" "/opt/rustwide/cargo-home/bin/cargo" "+beta-2023-04-20" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] 78ee9d346d4738557651aa7ed989b580857930505bd71f3b4b196e2e736b3f69
[INFO] running `Command { std: "docker" "start" "-a" "78ee9d346d4738557651aa7ed989b580857930505bd71f3b4b196e2e736b3f69", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "78ee9d346d4738557651aa7ed989b580857930505bd71f3b4b196e2e736b3f69", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "78ee9d346d4738557651aa7ed989b580857930505bd71f3b4b196e2e736b3f69", kill_on_drop: false }`
[INFO] [stdout] 78ee9d346d4738557651aa7ed989b580857930505bd71f3b4b196e2e736b3f69
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-7-tc2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-7-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@sha256:5ff2268d62e97bff2cde7d5815dd6ed5b47097566f13b8d0ca110b04b60e07ed" "/opt/rustwide/cargo-home/bin/cargo" "+beta-2023-04-20" "build" "--frozen" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] 0e41a0f3a17cac0c05b66c63cd30ae3789489c1c83b75a3fdfb2d5826ae36433
[INFO] running `Command { std: "docker" "start" "-a" "0e41a0f3a17cac0c05b66c63cd30ae3789489c1c83b75a3fdfb2d5826ae36433", kill_on_drop: false }`
[INFO] [stderr]    Compiling rlibcex v0.1.2 (/opt/rustwide/workdir)
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 0.20s
[INFO] running `Command { std: "docker" "inspect" "0e41a0f3a17cac0c05b66c63cd30ae3789489c1c83b75a3fdfb2d5826ae36433", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "0e41a0f3a17cac0c05b66c63cd30ae3789489c1c83b75a3fdfb2d5826ae36433", kill_on_drop: false }`
[INFO] [stdout] 0e41a0f3a17cac0c05b66c63cd30ae3789489c1c83b75a3fdfb2d5826ae36433
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-7-tc2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-7-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@sha256:5ff2268d62e97bff2cde7d5815dd6ed5b47097566f13b8d0ca110b04b60e07ed" "/opt/rustwide/cargo-home/bin/cargo" "+beta-2023-04-20" "test" "--frozen" "--no-run" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] ae47b0b46797d41bae0c7b8c2514c41158ffcdcef620caa1b1ba7deef163a523
[INFO] running `Command { std: "docker" "start" "-a" "ae47b0b46797d41bae0c7b8c2514c41158ffcdcef620caa1b1ba7deef163a523", kill_on_drop: false }`
[INFO] [stderr]    Compiling rlibcex v0.1.2 (/opt/rustwide/workdir)
[INFO] [stdout] error[E0554]: `#![feature]` may not be used on the beta release channel
[INFO] [stdout]  --> src/lib.rs:3:27
[INFO] [stdout]   |
[INFO] [stdout] 3 | #![cfg_attr(test, feature(test))]
[INFO] [stdout]   |                           ^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error: aborting due to previous error
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] For more information about this error, try `rustc --explain E0554`.
[INFO] [stdout] 
[INFO] [stderr] error: could not compile `rlibcex` (lib test) due to 2 previous errors
[INFO] running `Command { std: "docker" "inspect" "ae47b0b46797d41bae0c7b8c2514c41158ffcdcef620caa1b1ba7deef163a523", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "ae47b0b46797d41bae0c7b8c2514c41158ffcdcef620caa1b1ba7deef163a523", kill_on_drop: false }`
[INFO] [stdout] ae47b0b46797d41bae0c7b8c2514c41158ffcdcef620caa1b1ba7deef163a523
