[INFO] fetching crate con-art-rust 0.2.0...
[INFO] testing con-art-rust-0.2.0 against 1.69.0 for beta-1.70-1
[INFO] extracting crate con-art-rust 0.2.0 into /workspace/builds/worker-7-tc1/source
[INFO] validating manifest of crates.io crate con-art-rust 0.2.0 on toolchain 1.69.0
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+1.69.0" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }`
[INFO] started tweaking crates.io crate con-art-rust 0.2.0
[INFO] finished tweaking crates.io crate con-art-rust 0.2.0
[INFO] tweaked toml for crates.io crate con-art-rust 0.2.0 written to /workspace/builds/worker-7-tc1/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" "+1.69.0" "generate-lockfile" "--manifest-path" "Cargo.toml" "-Zno-index-update", kill_on_drop: false }`
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+1.69.0" "fetch" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] [stderr]  Downloading crates ...
[INFO] [stderr]   Downloaded parking_lot_core v0.7.3
[INFO] [stderr]   Downloaded rgb v0.8.36
[INFO] [stderr]   Downloaded findshlibs v0.10.2
[INFO] [stderr]   Downloaded inferno v0.10.12
[INFO] [stderr]   Downloaded sysinfo v0.23.13
[INFO] [stderr]   Downloaded cpp_demangle v0.3.5
[INFO] [stderr]   Downloaded flurry v0.3.1
[INFO] [stderr]   Downloaded str_stack v0.1.0
[INFO] [stderr]   Downloaded symbolic-demangle v8.8.0
[INFO] [stderr]   Downloaded debugid v0.7.3
[INFO] [stderr]   Downloaded symbolic-common v8.8.0
[INFO] [stderr]   Downloaded shumai v0.1.17
[INFO] [stderr]   Downloaded shumai-config-impl v0.1.6
[INFO] [stderr]   Downloaded varmint v0.1.3
[INFO] [stderr]   Downloaded pprof v0.6.1
[INFO] [stderr]   Downloaded shuttle v0.0.7
[INFO] [stderr]   Downloaded bitvec v0.21.0
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-7-tc1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-7-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@sha256:5ff2268d62e97bff2cde7d5815dd6ed5b47097566f13b8d0ca110b04b60e07ed" "/opt/rustwide/cargo-home/bin/cargo" "+1.69.0" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] 18a19c0160905a6808bc67ca6537b24097f3a1d95e7f9436a7a82e2359517a7a
[INFO] running `Command { std: "docker" "start" "-a" "18a19c0160905a6808bc67ca6537b24097f3a1d95e7f9436a7a82e2359517a7a", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "18a19c0160905a6808bc67ca6537b24097f3a1d95e7f9436a7a82e2359517a7a", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "18a19c0160905a6808bc67ca6537b24097f3a1d95e7f9436a7a82e2359517a7a", kill_on_drop: false }`
[INFO] [stdout] 18a19c0160905a6808bc67ca6537b24097f3a1d95e7f9436a7a82e2359517a7a
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-7-tc1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-7-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@sha256:5ff2268d62e97bff2cde7d5815dd6ed5b47097566f13b8d0ca110b04b60e07ed" "/opt/rustwide/cargo-home/bin/cargo" "+1.69.0" "build" "--frozen" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] 500ead94cd264e6420661b05c94a8a783aeea14686389610c0c7dc2bd465b7f6
[INFO] running `Command { std: "docker" "start" "-a" "500ead94cd264e6420661b05c94a8a783aeea14686389610c0c7dc2bd465b7f6", kill_on_drop: false }`
[INFO] [stderr]    Compiling crossbeam-utils v0.8.15
[INFO] [stderr]    Compiling crossbeam-epoch v0.9.14
[INFO] [stderr]    Compiling con-art-rust v0.2.0 (/opt/rustwide/workdir)
[INFO] [stdout] error[E0554]: `#![feature]` may not be used on the stable release channel
[INFO] [stdout]   --> src/lib.rs:43:12
[INFO] [stdout]    |
[INFO] [stdout] 43 | #![feature(core_intrinsics)]
[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 `con-art-rust` due to 2 previous errors
[INFO] running `Command { std: "docker" "inspect" "500ead94cd264e6420661b05c94a8a783aeea14686389610c0c7dc2bd465b7f6", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "500ead94cd264e6420661b05c94a8a783aeea14686389610c0c7dc2bd465b7f6", kill_on_drop: false }`
[INFO] [stdout] 500ead94cd264e6420661b05c94a8a783aeea14686389610c0c7dc2bd465b7f6
