[INFO] crate aws_sig_verify 0.5.0 is already in cache [INFO] testing aws_sig_verify-0.5.0 against beta-2020-06-03 for beta-1.45-1 [INFO] extracting crate aws_sig_verify 0.5.0 into /workspace/builds/worker-5/source [INFO] validating manifest of crates.io crate aws_sig_verify 0.5.0 on toolchain beta-2020-06-03 [INFO] running `"/workspace/cargo-home/bin/cargo" "+beta-2020-06-03" "read-manifest" "--manifest-path" "Cargo.toml"` [INFO] started tweaking crates.io crate aws_sig_verify 0.5.0 [INFO] finished tweaking crates.io crate aws_sig_verify 0.5.0 [INFO] tweaked toml for crates.io crate aws_sig_verify 0.5.0 written to /workspace/builds/worker-5/source/Cargo.toml [INFO] running `"/workspace/cargo-home/bin/cargo" "+beta-2020-06-03" "generate-lockfile" "--manifest-path" "Cargo.toml" "-Zno-index-update"` [INFO] [stderr] Blocking waiting for file lock on package cache [INFO] running `"/workspace/cargo-home/bin/cargo" "+beta-2020-06-03" "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-5/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-5/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" "+beta-2020-06-03" "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] 7725144cc70f8815d047ba84669116811484743ce53f3204818bde4d561f1445 [INFO] running `"docker" "start" "-a" "7725144cc70f8815d047ba84669116811484743ce53f3204818bde4d561f1445"` [INFO] [stderr] sudo: setrlimit(RLIMIT_CORE): Operation not permitted [INFO] [stderr] Compiling regex-syntax v0.6.18 [INFO] [stderr] Compiling hex v0.4.2 [INFO] [stderr] Compiling ring v0.16.14 [INFO] [stderr] Compiling chrono v0.4.11 [INFO] [stderr] Compiling regex v1.3.9 [INFO] [stderr] Compiling aws_sig_verify v0.5.0 (/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(backtrace)] [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 `aws_sig_verify`. [INFO] [stderr] [INFO] [stderr] To learn more, run the command again with --verbose. [INFO] [stderr] warning: build failed, waiting for other jobs to finish... [INFO] [stderr] error: build failed [INFO] running `"docker" "inspect" "7725144cc70f8815d047ba84669116811484743ce53f3204818bde4d561f1445"` [INFO] running `"docker" "rm" "-f" "7725144cc70f8815d047ba84669116811484743ce53f3204818bde4d561f1445"` [INFO] [stdout] 7725144cc70f8815d047ba84669116811484743ce53f3204818bde4d561f1445