[INFO] crate aces 0.0.7 is already in cache [INFO] checking aces-0.0.7 against try#8810c24b0958114d8dbb32d878444e8956fce80f for pr-66063 [INFO] extracting crate aces 0.0.7 into /workspace/builds/worker-3/source [INFO] validating manifest of crates.io crate aces 0.0.7 on toolchain 8810c24b0958114d8dbb32d878444e8956fce80f [INFO] running `"/workspace/cargo-home/bin/cargo" "+8810c24b0958114d8dbb32d878444e8956fce80f" "read-manifest" "--manifest-path" "Cargo.toml"` [INFO] started tweaking crates.io crate aces 0.0.7 [INFO] finished tweaking crates.io crate aces 0.0.7 [INFO] tweaked toml for crates.io crate aces 0.0.7 written to /workspace/builds/worker-3/source/Cargo.toml [INFO] crate crates.io crate aces 0.0.7 already has a lockfile, it will not be regenerated [INFO] running `"/workspace/cargo-home/bin/cargo" "+8810c24b0958114d8dbb32d878444e8956fce80f" "fetch" "--locked" "--manifest-path" "Cargo.toml"` [INFO] [stderr] Blocking waiting for file lock on package cache [INFO] running `"docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-3/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-3/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" "MAP_USER_ID=0" "-e" "CARGO_TARGET_DIR=/opt/rustwide/target" "-e" "CARGO_INCREMENTAL=0" "-e" "RUST_BACKTRACE=full" "-e" "RUSTFLAGS=--cap-lints=allow" "-e" "CARGO_HOME=/opt/rustwide/cargo-home" "-e" "RUSTUP_HOME=/opt/rustwide/rustup-home" "-w" "/opt/rustwide/workdir" "-m" "1610612736" "--network" "none" "rustops/crates-build-env" "/opt/rustwide/cargo-home/bin/cargo" "+8810c24b0958114d8dbb32d878444e8956fce80f" "check" "--frozen" "--all" "--all-targets"` [INFO] [stderr] WARNING: Your kernel does not support swap limit capabilities or the cgroup is not mounted. Memory limited without swap. [INFO] [stdout] 2bcccb2f373f9fb8a6d53955a65d5a4e40eee0afa79acd22408db5b340a66fd0 [INFO] running `"docker" "start" "-a" "2bcccb2f373f9fb8a6d53955a65d5a4e40eee0afa79acd22408db5b340a66fd0"` [INFO] [stderr] Compiling libc v0.2.62 [INFO] [stderr] Compiling autocfg v0.1.6 [INFO] [stderr] Compiling cc v1.0.45 [INFO] [stderr] Checking cfg-if v0.1.9 [INFO] [stderr] Compiling proc-macro2 v1.0.4 [INFO] [stderr] Compiling failure_derive v0.1.5 [INFO] [stderr] Compiling syn v1.0.5 [INFO] [stderr] Compiling winapi v0.3.8 [INFO] [stderr] Compiling getrandom v0.1.12 [INFO] [stderr] Compiling serde v1.0.101 [INFO] [stderr] Checking varisat-formula v0.2.1 [INFO] [stderr] Compiling bitflags v1.1.0 [INFO] [stderr] Checking ppv-lite86 v0.2.5 [INFO] [stderr] Checking smallvec v0.6.10 [INFO] [stderr] Checking new_debug_unreachable v1.0.3 [INFO] [stderr] Checking vec_mut_scan v0.1.0 [INFO] [stderr] Checking string_cache_shared v0.3.0 [INFO] [stderr] Checking precomputed-hash v0.1.1 [INFO] [stderr] Checking leb128 v0.2.4 [INFO] [stderr] Checking yaml-rust v0.3.5 [INFO] [stderr] Checking glob v0.3.0 [INFO] [stderr] Checking bit-vec v0.6.1 [INFO] [stderr] Checking log v0.4.8 [INFO] [stderr] Compiling synstructure v0.10.2 [INFO] [stderr] Compiling partial_ref_derive v0.3.1 [INFO] [stderr] Compiling num-traits v0.2.8 [INFO] [stderr] Compiling rand_pcg v0.1.2 [INFO] [stderr] Compiling rand_chacha v0.1.1 [INFO] [stderr] Compiling rand v0.6.5 [INFO] [stderr] Checking c2-chacha v0.2.2 [INFO] [stderr] Compiling quote v1.0.2 [INFO] [stderr] Compiling backtrace-sys v0.1.31 [INFO] [stderr] Compiling rand_os v0.1.3 [INFO] [stderr] Checking rand v0.4.6 [INFO] [stderr] Checking atty v0.2.13 [INFO] [stderr] Compiling varisat-internal-macros v0.2.1 [INFO] [stderr] Checking clap v2.33.0 [INFO] [stderr] Checking partial_ref v0.3.1 [INFO] [stderr] Checking rand_core v0.5.1 [INFO] [stderr] Checking rand_chacha v0.2.1 [INFO] [stderr] Compiling backtrace v0.3.37 [INFO] [stderr] Checking num-traits v0.1.43 [INFO] [stderr] Checking ordered-float v1.0.2 [INFO] [stderr] Checking cgmath v0.16.1 [INFO] [stderr] Checking rand v0.7.2 [INFO] [stderr] Checking failure v0.1.5 [INFO] [stderr] Checking varisat-dimacs v0.2.1 [INFO] [stderr] Checking varisat-internal-proof v0.2.1 [INFO] [stderr] Checking varisat-checker v0.2.1 [INFO] [stderr] Compiling varisat v0.2.1 [INFO] [stderr] Compiling phf_generator v0.7.24 [INFO] [stderr] Compiling string_cache_codegen v0.4.4 [INFO] [stderr] Compiling string_cache v0.7.3 [INFO] [stderr] Checking winconsole v0.10.0 [INFO] [stderr] Checking colored v1.8.0 [INFO] [stderr] Checking fern v0.5.8 [INFO] [stderr] Compiling serde_derive v1.0.101 [INFO] [stderr] Checking aces v0.0.7 (/opt/rustwide/workdir) [INFO] [stderr] error[E0554]: `#![feature]` may not be used on the beta release channel [INFO] [stderr] --> src/lib.rs:1:1 [INFO] [stderr] | [INFO] [stderr] 1 | #![feature(bool_to_option)] [INFO] [stderr] | ^^^^^^^^^^^^^^^^^^^^^^^^^^^ [INFO] [stderr] [INFO] [stderr] error[E0554]: `#![feature]` may not be used on the beta release channel [INFO] [stderr] --> src/lib.rs:1:1 [INFO] [stderr] | [INFO] [stderr] 1 | #![feature(bool_to_option)] [INFO] [stderr] | ^^^^^^^^^^^^^^^^^^^^^^^^^^^ [INFO] [stderr] [INFO] [stderr] error: aborting due to previous error [INFO] [stderr] [INFO] [stderr] For more information about this error, try `rustc --explain E0554`. [INFO] [stderr] error: could not compile `aces`. [INFO] [stderr] warning: build failed, waiting for other jobs to finish... [INFO] [stderr] error: aborting due to previous error [INFO] [stderr] [INFO] [stderr] For more information about this error, try `rustc --explain E0554`. [INFO] [stderr] error: could not compile `aces`. [INFO] [stderr] [INFO] [stderr] To learn more, run the command again with --verbose. [INFO] running `"docker" "inspect" "2bcccb2f373f9fb8a6d53955a65d5a4e40eee0afa79acd22408db5b340a66fd0"` [INFO] running `"docker" "rm" "-f" "2bcccb2f373f9fb8a6d53955a65d5a4e40eee0afa79acd22408db5b340a66fd0"` [INFO] [stdout] 2bcccb2f373f9fb8a6d53955a65d5a4e40eee0afa79acd22408db5b340a66fd0