[INFO] cloning repository https://github.com/quininer/enc
[INFO] running `"git" "-c" "credential.helper=" "-c" "credential.helper=/workspace/cargo-home/bin/git-credential-null" "clone" "--bare" "https://github.com/quininer/enc" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fquininer%2Fenc"`
[INFO] [stderr] Cloning into bare repository '/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fquininer%2Fenc'...
[INFO] running `"git" "rev-parse" "HEAD"`
[INFO] [stdout] 7b1bd8ab8655bb65d0d81a30d54982a9b8b80abe
[INFO] testing quininer/enc against 1.44.0 for beta-1.45-1
[INFO] running `"git" "clone" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fquininer%2Fenc" "/workspace/builds/worker-0/source"`
[INFO] [stderr] Cloning into '/workspace/builds/worker-0/source'...
[INFO] [stderr] done.
[INFO] validating manifest of git repo https://github.com/quininer/enc on toolchain 1.44.0
[INFO] running `"/workspace/cargo-home/bin/cargo" "+1.44.0" "read-manifest" "--manifest-path" "Cargo.toml"`
[INFO] started tweaking git repo https://github.com/quininer/enc
[INFO] finished tweaking git repo https://github.com/quininer/enc
[INFO] tweaked toml for git repo https://github.com/quininer/enc written to /workspace/builds/worker-0/source/Cargo.toml
[INFO] crate git repo https://github.com/quininer/enc already has a lockfile, it will not be regenerated
[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-0/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-0/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] 38d9888c22b3346e295c9e4eb49d8de8367fd0f567d42ea793b6396545c2b976
[INFO] running `"docker" "start" "-a" "38d9888c22b3346e295c9e4eb49d8de8367fd0f567d42ea793b6396545c2b976"`
[INFO] [stderr] sudo: setrlimit(RLIMIT_CORE): Operation not permitted
[INFO] [stderr]    Compiling libc v0.2.18
[INFO] [stderr]    Compiling byteorder v0.5.3
[INFO] [stderr]    Compiling tiny-keccak v1.1.1
[INFO] [stderr]    Compiling constant_time_eq v0.1.2
[INFO] [stderr]    Compiling scoped_threadpool v0.1.7
[INFO] [stderr]    Compiling vec_map v0.6.0
[INFO] [stderr]    Compiling bitflags v0.7.0
[INFO] [stderr]    Compiling unicode-width v0.1.3
[INFO] [stderr]    Compiling strsim v0.5.2
[INFO] [stderr]    Compiling ansi_term v0.7.5
[INFO] [stderr]    Compiling unicode-segmentation v0.1.3
[INFO] [stderr]    Compiling blake2-rfc v0.2.17
[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/blake2-rfc-0.2.17/src/lib.rs:17:31
[INFO] [stderr]    |
[INFO] [stderr] 17 | #![cfg_attr(feature = "simd", feature(platform_intrinsics, repr_simd))]
[INFO] [stderr]    |                               ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stderr] 
[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/blake2-rfc-0.2.17/src/lib.rs:18:35
[INFO] [stderr]    |
[INFO] [stderr] 18 | #![cfg_attr(feature = "simd_opt", feature(cfg_target_feature))]
[INFO] [stderr]    |                                   ^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stderr] 
[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/blake2-rfc-0.2.17/src/lib.rs:19:35
[INFO] [stderr]    |
[INFO] [stderr] 19 | #![cfg_attr(feature = "simd_asm", feature(asm))]
[INFO] [stderr]    |                                   ^^^^^^^^^^^^
[INFO] [stderr] 
[INFO] [stderr]    Compiling bitpack v0.1.0
[INFO] [stderr]    Compiling ascon v0.1.3
[INFO] [stderr]    Compiling hc256 v0.1.4
[INFO] [stderr]    Compiling colorhash256 v0.1.0 (https://github.com/quininer/colorhash256.git?branch=no_std#716113c9)
[INFO] [stderr] error[E0463]: can't find crate for `collections`
[INFO] [stderr]  --> /opt/rustwide/cargo-home/registry/src/github.com-1ecc6299db9ec823/ascon-0.1.3/src/lib.rs:4:14
[INFO] [stderr]   |
[INFO] [stderr] 4 | #[macro_use] extern crate collections;
[INFO] [stderr]   |              ^^^^^^^^^^^^^^^^^^^^^^^^^ can't find crate
[INFO] [stderr] 
[INFO] [stderr] error: aborting due to previous error
[INFO] [stderr] 
[INFO] [stderr] For more information about this error, try `rustc --explain E0463`.
[INFO] [stderr] error: could not compile `ascon`.
[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: aborting due to 3 previous errors
[INFO] [stderr] 
[INFO] [stderr] For more information about this error, try `rustc --explain E0554`.
[INFO] [stderr] error: could not compile `blake2-rfc`.
[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" "38d9888c22b3346e295c9e4eb49d8de8367fd0f567d42ea793b6396545c2b976"`
[INFO] running `"docker" "rm" "-f" "38d9888c22b3346e295c9e4eb49d8de8367fd0f567d42ea793b6396545c2b976"`
[INFO] [stdout] 38d9888c22b3346e295c9e4eb49d8de8367fd0f567d42ea793b6396545c2b976