[INFO] updating cached repository https://github.com/sjeohp/rust-chain
[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] 11f41327188ffae4ee69e8a60d4a197d1e201581
[INFO] testing sjeohp/rust-chain against 1.44.0 for beta-1.45-1
[INFO] running `"git" "clone" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fsjeohp%2Frust-chain" "/workspace/builds/worker-9/source"`
[INFO] [stderr] Cloning into '/workspace/builds/worker-9/source'...
[INFO] [stderr] done.
[INFO] validating manifest of git repo https://github.com/sjeohp/rust-chain 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/sjeohp/rust-chain
[INFO] finished tweaking git repo https://github.com/sjeohp/rust-chain
[INFO] tweaked toml for git repo https://github.com/sjeohp/rust-chain written to /workspace/builds/worker-9/source/Cargo.toml
[INFO] crate git repo https://github.com/sjeohp/rust-chain 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] running `"docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-9/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-9/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] c74a94de8b38d19c71a44da34a5b558b15afcde69bf118024b2f1ecca19e9270
[INFO] running `"docker" "start" "-a" "c74a94de8b38d19c71a44da34a5b558b15afcde69bf118024b2f1ecca19e9270"`
[INFO] [stderr] sudo: setrlimit(RLIMIT_CORE): Operation not permitted
[INFO] [stderr]    Compiling rustc-serialize v0.3.22
[INFO] [stderr]    Compiling bitflags v0.4.0
[INFO] [stderr]    Compiling ring v0.4.3
[INFO] [stderr]    Compiling void v1.0.2
[INFO] [stderr]    Compiling phf_shared v0.7.20
[INFO] [stderr]    Compiling hex v0.2.0
[INFO] [stderr]    Compiling md5 v0.2.1
[INFO] [stderr]    Compiling fallible-iterator v0.1.3
[INFO] [stderr]    Compiling serde v0.8.20
[INFO] [stderr]    Compiling untrusted v0.3.1
[INFO] [stderr]    Compiling bufstream v0.1.2
[INFO] [stderr]    Compiling lazycell v0.4.0
[INFO] [stderr]    Compiling unicode-width v0.1.4
[INFO] [stderr]    Compiling encode_unicode v0.1.3
[INFO] [stderr]    Compiling slab v0.3.0
[INFO] [stderr]    Compiling rand v0.3.15
[INFO] [stderr]    Compiling net2 v0.2.26
[INFO] [stderr]    Compiling nix v0.5.1
[INFO] [stderr]    Compiling nix v0.6.0
[INFO] [stderr]    Compiling phf v0.7.20
[INFO] [stderr] error[E0277]: `&&std::vec::Vec<std::string::String>` is not an iterator
[INFO] [stderr]    --> /opt/rustwide/cargo-home/registry/src/github.com-1ecc6299db9ec823/ring-0.4.3/build.rs:206:19
[INFO] [stderr]     |
[INFO] [stderr] 206 |             .args(&args)
[INFO] [stderr]     |                   ^^^^^ `&&std::vec::Vec<std::string::String>` is not an iterator
[INFO] [stderr]     |
[INFO] [stderr]     = help: the trait `std::iter::Iterator` is not implemented for `&&std::vec::Vec<std::string::String>`
[INFO] [stderr]     = note: required because of the requirements on the impl of `std::iter::IntoIterator` for `&&std::vec::Vec<std::string::String>`
[INFO] [stderr] 
[INFO] [stderr] error: aborting due to previous error
[INFO] [stderr] 
[INFO] [stderr] For more information about this error, try `rustc --explain E0277`.
[INFO] [stderr] error: could not compile `ring`.
[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" "c74a94de8b38d19c71a44da34a5b558b15afcde69bf118024b2f1ecca19e9270"`
[INFO] running `"docker" "rm" "-f" "c74a94de8b38d19c71a44da34a5b558b15afcde69bf118024b2f1ecca19e9270"`
[INFO] [stdout] c74a94de8b38d19c71a44da34a5b558b15afcde69bf118024b2f1ecca19e9270