[INFO] fetching crate crankstart 0.1.1...
[INFO] testing crankstart-0.1.1 against 1.69.0 for beta-1.70-1
[INFO] extracting crate crankstart 0.1.1 into /workspace/builds/worker-6-tc1/source
[INFO] validating manifest of crates.io crate crankstart 0.1.1 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] removed /workspace/builds/worker-6-tc1/source/.cargo/config
[INFO] started tweaking crates.io crate crankstart 0.1.1
[INFO] removed 0 missing examples
[INFO] finished tweaking crates.io crate crankstart 0.1.1
[INFO] tweaked toml for crates.io crate crankstart 0.1.1 written to /workspace/builds/worker-6-tc1/source/Cargo.toml
[INFO] crate crates.io crate crankstart 0.1.1 already has a lockfile, it will not be regenerated
[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 rand_pcg v0.3.1
[INFO] [stderr]   Downloaded enum-iterator v0.6.0
[INFO] [stderr]   Downloaded enum-iterator-derive v0.6.0
[INFO] [stderr]   Downloaded quote v1.0.16
[INFO] [stderr]   Downloaded libm v0.2.2
[INFO] [stderr]   Downloaded cty v0.1.5
[INFO] [stderr]   Downloaded ahash v0.3.8
[INFO] [stderr]   Downloaded crankstart-sys v0.1.1
[INFO] [stderr]   Downloaded cstr_core v0.1.2
[INFO] [stderr]   Downloaded syn v1.0.89
[INFO] [stderr]   Downloaded euclid v0.20.14
[INFO] [stderr]   Downloaded hashbrown v0.7.2
[INFO] [stderr]   Downloaded randomize v3.0.1
[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] 626f31cbd3d1656c86c5de87a4eaea6e8d713fd0d9dce2aab47894628eb2cb50
[INFO] running `Command { std: "docker" "start" "-a" "626f31cbd3d1656c86c5de87a4eaea6e8d713fd0d9dce2aab47894628eb2cb50", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "626f31cbd3d1656c86c5de87a4eaea6e8d713fd0d9dce2aab47894628eb2cb50", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "626f31cbd3d1656c86c5de87a4eaea6e8d713fd0d9dce2aab47894628eb2cb50", kill_on_drop: false }`
[INFO] [stdout] 626f31cbd3d1656c86c5de87a4eaea6e8d713fd0d9dce2aab47894628eb2cb50
[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] f4edb1e10971af5cceb4c0a9b9ddce987a56bfb99384a1e1c3e25ffbd55af09b
[INFO] running `Command { std: "docker" "start" "-a" "f4edb1e10971af5cceb4c0a9b9ddce987a56bfb99384a1e1c3e25ffbd55af09b", kill_on_drop: false }`
[INFO] [stderr]    Compiling autocfg v1.1.0
[INFO] [stderr]    Compiling typenum v1.15.0
[INFO] [stderr]    Compiling libm v0.2.2
[INFO] [stderr]    Compiling version_check v0.9.4
[INFO] [stderr]    Compiling memchr v2.4.1
[INFO] [stderr]    Compiling byteorder v1.4.3
[INFO] [stderr]    Compiling stable_deref_trait v1.2.0
[INFO] [stderr]    Compiling heapless v0.5.6
[INFO] [stderr]    Compiling anyhow v1.0.56
[INFO] [stderr]    Compiling ahash v0.3.8
[INFO] [stderr]    Compiling cty v0.1.5
[INFO] [stderr]    Compiling hash32 v0.1.1
[INFO] [stderr]    Compiling generic-array v0.14.5
[INFO] [stderr]    Compiling num-traits v0.2.14
[INFO] [stderr]    Compiling hashbrown v0.7.2
[INFO] [stderr]    Compiling cstr_core v0.1.2
[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/cstr_core-0.1.2/src/lib.rs:12:40
[INFO] [stdout]    |
[INFO] [stdout] 12 | #![cfg_attr(feature = "alloc", feature(alloc))]
[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 `cstr_core` due to 2 previous errors
[INFO] [stderr] warning: build failed, waiting for other jobs to finish...
[INFO] running `Command { std: "docker" "inspect" "f4edb1e10971af5cceb4c0a9b9ddce987a56bfb99384a1e1c3e25ffbd55af09b", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "f4edb1e10971af5cceb4c0a9b9ddce987a56bfb99384a1e1c3e25ffbd55af09b", kill_on_drop: false }`
[INFO] [stdout] f4edb1e10971af5cceb4c0a9b9ddce987a56bfb99384a1e1c3e25ffbd55af09b
