[INFO] fetching crate smeagol 0.1.2... [INFO] testing smeagol-0.1.2 against 1.44.0 for beta-1.45-1 [INFO] extracting crate smeagol 0.1.2 into /workspace/builds/worker-8/source [INFO] validating manifest of crates.io crate smeagol 0.1.2 on toolchain 1.44.0 [INFO] running `"/workspace/cargo-home/bin/cargo" "+1.44.0" "read-manifest" "--manifest-path" "Cargo.toml"` [INFO] started tweaking crates.io crate smeagol 0.1.2 [INFO] finished tweaking crates.io crate smeagol 0.1.2 [INFO] tweaked toml for crates.io crate smeagol 0.1.2 written to /workspace/builds/worker-8/source/Cargo.toml [INFO] running `"/workspace/cargo-home/bin/cargo" "+1.44.0" "generate-lockfile" "--manifest-path" "Cargo.toml" "-Zno-index-update"` [INFO] running `"/workspace/cargo-home/bin/cargo" "+1.44.0" "fetch" "--locked" "--manifest-path" "Cargo.toml"` [INFO] running `"docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-8/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-8/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=warn" "-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" "+1.44.0" "build" "--frozen"` [INFO] [stderr] WARNING: Your kernel does not support swap limit capabilities or the cgroup is not mounted. Memory limited without swap. [INFO] [stdout] ed1376a7d16a412ea12d944b719e8c519f492bb1ca9ef9b2bb841111e308a5b1 [INFO] running `"docker" "start" "-a" "ed1376a7d16a412ea12d944b719e8c519f492bb1ca9ef9b2bb841111e308a5b1"` [INFO] [stderr] sudo: setrlimit(RLIMIT_CORE): Operation not permitted [INFO] [stderr] Blocking waiting for file lock on package cache [INFO] [stderr] Compiling autocfg v1.0.0 [INFO] [stderr] Compiling proc-macro2 v1.0.18 [INFO] [stderr] Compiling unicode-xid v0.2.0 [INFO] [stderr] Compiling byteorder v1.3.4 [INFO] [stderr] Compiling syn v1.0.30 [INFO] [stderr] Compiling libc v0.2.71 [INFO] [stderr] Compiling gimli v0.21.0 [INFO] [stderr] Compiling version_check v0.1.5 [INFO] [stderr] Compiling cfg-if v0.1.10 [INFO] [stderr] Compiling failure_derive v0.1.8 [INFO] [stderr] Compiling bitflags v1.2.1 [INFO] [stderr] Compiling memchr v2.3.3 [INFO] [stderr] Compiling adler32 v1.0.4 [INFO] [stderr] Compiling object v0.19.0 [INFO] [stderr] Compiling packed_simd v0.3.3 [INFO] [stderr] Compiling rustc-demangle v0.1.16 [INFO] [stderr] Compiling scopeguard v0.3.3 [INFO] [stderr] Compiling inflate v0.4.5 [INFO] [stderr] Compiling num-traits v0.2.11 [INFO] [stderr] Compiling num-integer v0.1.42 [INFO] [stderr] Compiling num-iter v0.1.40 [INFO] [stderr] Compiling nom v4.2.3 [INFO] [stderr] Compiling deflate v0.7.20 [INFO] [stderr] Compiling hashbrown v0.1.8 [INFO] [stderr] Compiling quote v1.0.6 [INFO] [stderr] Compiling btoi v0.4.2 [INFO] [stderr] Compiling png v0.14.1 [INFO] [stderr] error[E0554]: `#![feature]` may not be used on the stable release channel [INFO] [stderr] --> /opt/rustwide/cargo-home/registry/src/github.com-1ecc6299db9ec823/packed_simd-0.3.3/src/lib.rs:202:1 [INFO] [stderr] | [INFO] [stderr] 202 | / #![feature( [INFO] [stderr] 203 | | repr_simd, [INFO] [stderr] 204 | | const_fn, [INFO] [stderr] 205 | | platform_intrinsics, [INFO] [stderr] ... | [INFO] [stderr] 215 | | custom_inner_attributes [INFO] [stderr] 216 | | )] [INFO] [stderr] | |__^ [INFO] [stderr] [INFO] [stderr] Compiling addr2line v0.12.1 [INFO] [stderr] Compiling backtrace v0.3.48 [INFO] [stderr] Compiling synstructure v0.12.3 [INFO] [stderr] Compiling failure v0.1.8 [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 `packed_simd`. [INFO] [stderr] [INFO] [stderr] To learn more, run the command again with --verbose. [INFO] running `"docker" "inspect" "ed1376a7d16a412ea12d944b719e8c519f492bb1ca9ef9b2bb841111e308a5b1"` [INFO] running `"docker" "rm" "-f" "ed1376a7d16a412ea12d944b719e8c519f492bb1ca9ef9b2bb841111e308a5b1"` [INFO] [stdout] ed1376a7d16a412ea12d944b719e8c519f492bb1ca9ef9b2bb841111e308a5b1