[INFO] fetching crate pi_async_file 0.4.0...
[INFO] testing pi_async_file-0.4.0 against 1.69.0 for beta-1.70-1
[INFO] extracting crate pi_async_file 0.4.0 into /workspace/builds/worker-6-tc1/source
[INFO] validating manifest of crates.io crate pi_async_file 0.4.0 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 pi_async_file 0.4.0
[INFO] finished tweaking crates.io crate pi_async_file 0.4.0
[INFO] tweaked toml for crates.io crate pi_async_file 0.4.0 written to /workspace/builds/worker-6-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]     Blocking waiting for file lock on package cache
[INFO] [stderr]  Downloading crates ...
[INFO] [stderr]   Downloaded pi_time v0.2.6
[INFO] [stderr]   Downloaded pi_cancel_timer v0.2.0
[INFO] [stderr]   Downloaded pi_slot_wheel v0.2.0
[INFO] [stderr]   Downloaded pi_hash v0.1.1
[INFO] [stderr]   Downloaded pi_async v0.5.12
[INFO] [stderr]   Downloaded pi_slot_deque v0.2.1
[INFO] [stderr]   Downloaded pi_ext_heap v0.1.0
[INFO] [stderr]   Downloaded minstant v0.1.2
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-6-tc1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-6-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] 29966e537f5bc4df3ad80bd3444fa7790d77cd4e0682b4ba98277e3d8b0f5907
[INFO] running `Command { std: "docker" "start" "-a" "29966e537f5bc4df3ad80bd3444fa7790d77cd4e0682b4ba98277e3d8b0f5907", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "29966e537f5bc4df3ad80bd3444fa7790d77cd4e0682b4ba98277e3d8b0f5907", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "29966e537f5bc4df3ad80bd3444fa7790d77cd4e0682b4ba98277e3d8b0f5907", kill_on_drop: false }`
[INFO] [stdout] 29966e537f5bc4df3ad80bd3444fa7790d77cd4e0682b4ba98277e3d8b0f5907
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-6-tc1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-6-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] 6606f094526da0e3ca26b54e7f6d5b2b5286917a366a2540ece71da991c2c8f3
[INFO] running `Command { std: "docker" "start" "-a" "6606f094526da0e3ca26b54e7f6d5b2b5286917a366a2540ece71da991c2c8f3", kill_on_drop: false }`
[INFO] [stderr]    Compiling syn v1.0.109
[INFO] [stderr]    Compiling crossbeam-utils v0.8.15
[INFO] [stderr]    Compiling futures-core v0.3.28
[INFO] [stderr]    Compiling slotmap v1.0.6
[INFO] [stderr]    Compiling lock_api v0.4.9
[INFO] [stderr]    Compiling memoffset v0.8.0
[INFO] [stderr]    Compiling crossbeam-epoch v0.9.14
[INFO] [stderr]    Compiling getrandom v0.2.9
[INFO] [stderr]    Compiling static_assertions v1.1.0
[INFO] [stderr]    Compiling parking_lot_core v0.9.7
[INFO] [stderr]    Compiling crossbeam-queue v0.3.8
[INFO] [stderr]    Compiling fxhash v0.2.1
[INFO] [stderr]    Compiling async-stream-impl v0.3.5
[INFO] [stderr]    Compiling parking_lot_core v0.8.6
[INFO] [stderr]    Compiling instant v0.1.12
[INFO] [stderr]    Compiling pi_ext_heap v0.1.0
[INFO] [stderr]    Compiling backtrace v0.3.67
[INFO] [stderr]    Compiling num_cpus v1.15.0
[INFO] [stdout] error[E0554]: `#![feature]` may not be used on the stable release channel
[INFO] [stdout]  --> /opt/rustwide/cargo-home/registry/src/github.com-1ecc6299db9ec823/pi_ext_heap-0.1.0/src/lib.rs:1:1
[INFO] [stdout]   |
[INFO] [stdout] 1 | #![feature(min_specialization)]
[INFO] [stdout]   | ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error[E0554]: `#![feature]` may not be used on the stable release channel
[INFO] [stdout]    --> /opt/rustwide/cargo-home/registry/src/github.com-1ecc6299db9ec823/pi_ext_heap-0.1.0/src/lib.rs:145:1
[INFO] [stdout]     |
[INFO] [stdout] 145 | #![feature(inplace_iteration)]
[INFO] [stdout]     | ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error[E0554]: `#![feature]` may not be used on the stable release channel
[INFO] [stdout]    --> /opt/rustwide/cargo-home/registry/src/github.com-1ecc6299db9ec823/pi_ext_heap-0.1.0/src/lib.rs:146:1
[INFO] [stdout]     |
[INFO] [stdout] 146 | #![feature(trusted_len)]
[INFO] [stdout]     | ^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error[E0554]: `#![feature]` may not be used on the stable release channel
[INFO] [stdout]    --> /opt/rustwide/cargo-home/registry/src/github.com-1ecc6299db9ec823/pi_ext_heap-0.1.0/src/lib.rs:147:1
[INFO] [stdout]     |
[INFO] [stdout] 147 | #![feature(exact_size_is_empty)]
[INFO] [stdout]     | ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error[E0554]: `#![feature]` may not be used on the stable release channel
[INFO] [stdout]    --> /opt/rustwide/cargo-home/registry/src/github.com-1ecc6299db9ec823/pi_ext_heap-0.1.0/src/lib.rs:148:1
[INFO] [stdout]     |
[INFO] [stdout] 148 | #![feature(extend_one)]
[INFO] [stdout]     | ^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error[E0554]: `#![feature]` may not be used on the stable release channel
[INFO] [stdout]    --> /opt/rustwide/cargo-home/registry/src/github.com-1ecc6299db9ec823/pi_ext_heap-0.1.0/src/lib.rs:145:12
[INFO] [stdout]     |
[INFO] [stdout] 145 | #![feature(inplace_iteration)]
[INFO] [stdout]     |            ^^^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error[E0554]: `#![feature]` may not be used on the stable release channel
[INFO] [stdout]    --> /opt/rustwide/cargo-home/registry/src/github.com-1ecc6299db9ec823/pi_ext_heap-0.1.0/src/lib.rs:146:12
[INFO] [stdout]     |
[INFO] [stdout] 146 | #![feature(trusted_len)]
[INFO] [stdout]     |            ^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error[E0554]: `#![feature]` may not be used on the stable release channel
[INFO] [stdout]    --> /opt/rustwide/cargo-home/registry/src/github.com-1ecc6299db9ec823/pi_ext_heap-0.1.0/src/lib.rs:147:12
[INFO] [stdout]     |
[INFO] [stdout] 147 | #![feature(exact_size_is_empty)]
[INFO] [stdout]     |            ^^^^^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error[E0554]: `#![feature]` may not be used on the stable release channel
[INFO] [stdout]    --> /opt/rustwide/cargo-home/registry/src/github.com-1ecc6299db9ec823/pi_ext_heap-0.1.0/src/lib.rs:148:12
[INFO] [stdout]     |
[INFO] [stdout] 148 | #![feature(extend_one)]
[INFO] [stdout]     |            ^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error: aborting due to 9 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 `pi_ext_heap` due to 10 previous errors
[INFO] [stderr] warning: build failed, waiting for other jobs to finish...
[INFO] running `Command { std: "docker" "inspect" "6606f094526da0e3ca26b54e7f6d5b2b5286917a366a2540ece71da991c2c8f3", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "6606f094526da0e3ca26b54e7f6d5b2b5286917a366a2540ece71da991c2c8f3", kill_on_drop: false }`
[INFO] [stdout] 6606f094526da0e3ca26b54e7f6d5b2b5286917a366a2540ece71da991c2c8f3
