[INFO] updating cached repository https://github.com/AYCHSO/Aych.collect
[INFO] running `"git" "-c" "credential.helper=" "-c" "credential.helper=/workspace/cargo-home/bin/git-credential-null" "-c" "remote.origin.fetch=refs/heads/*:refs/heads/*" "fetch" "origin" "--force" "--prune"`
[INFO] running `"git" "rev-parse" "HEAD"`
[INFO] [stdout] c9f0043c7a89b1bd946941a4297860f85f748b60
[INFO] testing AYCHSO/Aych.collect against 1.44.0 for beta-1.45-1
[INFO] running `"git" "clone" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2FAYCHSO%2FAych.collect" "/workspace/builds/worker-5/source"`
[INFO] [stderr] Cloning into '/workspace/builds/worker-5/source'...
[INFO] [stderr] done.
[INFO] validating manifest of git repo https://github.com/AYCHSO/Aych.collect 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/AYCHSO/Aych.collect
[INFO] finished tweaking git repo https://github.com/AYCHSO/Aych.collect
[INFO] tweaked toml for git repo https://github.com/AYCHSO/Aych.collect written to /workspace/builds/worker-5/source/Cargo.toml
[INFO] crate git repo https://github.com/AYCHSO/Aych.collect 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] [stderr]     Blocking waiting for file lock on package cache
[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" "+1.44.0" "build" "--frozen"`
[INFO] [stdout] 0a63f0288d9f17a90e0f0912296a39ce1bd8c5a695dd932f8a379d6512d8a533
[INFO] [stderr] WARNING: Your kernel does not support swap limit capabilities or the cgroup is not mounted. Memory limited without swap.
[INFO] running `"docker" "start" "-a" "0a63f0288d9f17a90e0f0912296a39ce1bd8c5a695dd932f8a379d6512d8a533"`
[INFO] [stderr] sudo: setrlimit(RLIMIT_CORE): Operation not permitted
[INFO] [stderr]     Blocking waiting for file lock on package cache
[INFO] [stderr]    Compiling syn v1.0.14
[INFO] [stderr]    Compiling memchr v2.3.0
[INFO] [stderr]    Compiling regex-syntax v0.6.14
[INFO] [stderr]    Compiling chunked_transfer v0.3.1
[INFO] [stderr]    Compiling futures-core v0.3.2
[INFO] [stderr]    Compiling ascii v0.8.7
[INFO] [stderr]    Compiling strum v0.17.1
[INFO] [stderr]    Compiling json v0.12.1
[INFO] [stderr]    Compiling phf_shared v0.7.24
[INFO] [stderr]    Compiling rand v0.4.6
[INFO] [stderr]    Compiling signal-hook-registry v1.2.0
[INFO] [stderr]    Compiling errno v0.2.4
[INFO] [stderr]    Compiling atomics v0.3.0 (https://github.com/twitter/rpc-perf#eb7efe7d)
[INFO] [stderr]    Compiling toml v0.5.6
[INFO] [stderr]    Compiling raw-cpuid v6.1.0
[INFO] [stderr]    Compiling logger v0.1.0 (https://github.com/twitter/rpc-perf#eb7efe7d)
[INFO] [stderr]    Compiling serde_json v1.0.46
[INFO] [stderr]    Compiling nix v0.14.1
[INFO] [stderr]    Compiling phf v0.7.24
[INFO] [stderr]    Compiling mio-uds v0.6.7
[INFO] [stderr]    Compiling backtrace v0.3.43
[INFO] [stderr]    Compiling phf_generator v0.7.24
[INFO] [stderr]    Compiling sysconf v0.3.4
[INFO] [stderr]    Compiling vergen v3.0.4
[INFO] [stderr]    Compiling tiny_http v0.6.2
[INFO] [stderr]    Compiling phf_codegen v0.7.24
[INFO] [stderr]    Compiling datastructures v0.4.0 (https://github.com/twitter/rpc-perf#eb7efe7d)
[INFO] [stderr]    Compiling parking_lot_core v0.2.14
[INFO] [stderr]    Compiling tempdir v0.3.7
[INFO] [stderr]    Compiling bstr v0.2.10
[INFO] [stderr]    Compiling csv-core v0.1.6
[INFO] [stderr]    Compiling nom v4.2.3
[INFO] [stderr]    Compiling aho-corasick v0.7.7
[INFO] [stderr]    Compiling mmap v0.1.1
[INFO] [stderr]    Compiling parking_lot v0.4.8
[INFO] [stderr]    Compiling chashmap v2.2.2
[INFO] [stderr]    Compiling csv v1.1.3
[INFO] [stderr]    Compiling x86 v0.19.0
[INFO] [stderr]    Compiling regex v1.3.4
[INFO] [stderr]    Compiling ctrlc v3.1.3
[INFO] [stderr]    Compiling synstructure v0.12.3
[INFO] [stderr]    Compiling failure_derive v0.1.6
[INFO] [stderr]    Compiling tokio-macros v0.2.4
[INFO] [stderr]    Compiling serde_derive v1.0.104
[INFO] [stderr]    Compiling async-trait v0.1.23
[INFO] [stderr]    Compiling strum_macros v0.17.1
[INFO] [stderr]    Compiling tokio v0.2.11
[INFO] [stderr]    Compiling failure v0.1.6
[INFO] [stderr]    Compiling rezolus v1.3.1-alpha.0 (/opt/rustwide/workdir)
[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/x86-0.19.0/src/lib.rs:3:1
[INFO] [stderr]   |
[INFO] [stderr] 3 | #![feature(const_fn, asm, repr_transparent)]
[INFO] [stderr]   | ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stderr] 
[INFO] [stderr]    Compiling metrics v0.5.0 (https://github.com/twitter/rpc-perf#eb7efe7d)
[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 `x86`.
[INFO] [stderr] 
[INFO] [stderr] To learn more, run the command again with --verbose.
[INFO] running `"docker" "inspect" "0a63f0288d9f17a90e0f0912296a39ce1bd8c5a695dd932f8a379d6512d8a533"`
[INFO] running `"docker" "rm" "-f" "0a63f0288d9f17a90e0f0912296a39ce1bd8c5a695dd932f8a379d6512d8a533"`
[INFO] [stdout] 0a63f0288d9f17a90e0f0912296a39ce1bd8c5a695dd932f8a379d6512d8a533