[INFO] fetching crate doubly-linked-list 0.2.0...
[INFO] testing doubly-linked-list-0.2.0 against 1.69.0 for beta-1.70-1
[INFO] extracting crate doubly-linked-list 0.2.0 into /workspace/builds/worker-7-tc1/source
[INFO] validating manifest of crates.io crate doubly-linked-list 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 doubly-linked-list 0.2.0
[INFO] finished tweaking crates.io crate doubly-linked-list 0.2.0
[INFO] tweaked toml for crates.io crate doubly-linked-list 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] [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" "+1.69.0" "fetch" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] [stderr]  Downloading crates ...
[INFO] [stderr]   Downloaded volatile v0.4.6
[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] dd9b0f6c688672c58da64375e1b5ac20afc59e24ca88cd3b2c8b6456f62ec4b7
[INFO] running `Command { std: "docker" "start" "-a" "dd9b0f6c688672c58da64375e1b5ac20afc59e24ca88cd3b2c8b6456f62ec4b7", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "dd9b0f6c688672c58da64375e1b5ac20afc59e24ca88cd3b2c8b6456f62ec4b7", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "dd9b0f6c688672c58da64375e1b5ac20afc59e24ca88cd3b2c8b6456f62ec4b7", kill_on_drop: false }`
[INFO] [stdout] dd9b0f6c688672c58da64375e1b5ac20afc59e24ca88cd3b2c8b6456f62ec4b7
[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] 11495054e1810f2072055ae9bc26fc0e1fab32b1a6741874b026c2efb7e0fa43
[INFO] running `Command { std: "docker" "start" "-a" "11495054e1810f2072055ae9bc26fc0e1fab32b1a6741874b026c2efb7e0fa43", kill_on_drop: false }`
[INFO] [stderr]    Compiling volatile v0.4.6
[INFO] [stderr]    Compiling doubly-linked-list 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:2:12
[INFO] [stdout]   |
[INFO] [stdout] 2 | #![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 `doubly-linked-list` due to 2 previous errors
[INFO] running `Command { std: "docker" "inspect" "11495054e1810f2072055ae9bc26fc0e1fab32b1a6741874b026c2efb7e0fa43", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "11495054e1810f2072055ae9bc26fc0e1fab32b1a6741874b026c2efb7e0fa43", kill_on_drop: false }`
[INFO] [stdout] 11495054e1810f2072055ae9bc26fc0e1fab32b1a6741874b026c2efb7e0fa43
