[INFO] cloning repository https://github.com/jrvidal/r5.rs
[INFO] running `"git" "-c" "credential.helper=" "-c" "credential.helper=/workspace/cargo-home/bin/git-credential-null" "clone" "--bare" "https://github.com/jrvidal/r5.rs" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fjrvidal%2Fr5.rs"`
[INFO] [stderr] Cloning into bare repository '/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fjrvidal%2Fr5.rs'...
[INFO] running `"git" "rev-parse" "HEAD"`
[INFO] [stdout] ae715768cf6c46ab228ede11aaddbb7f8f428260
[INFO] testing jrvidal/r5.rs against beta-2020-06-03 for beta-1.45-1
[INFO] running `"git" "clone" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fjrvidal%2Fr5.rs" "/workspace/builds/worker-4/source"`
[INFO] [stderr] Cloning into '/workspace/builds/worker-4/source'...
[INFO] [stderr] done.
[INFO] validating manifest of git repo https://github.com/jrvidal/r5.rs 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 git repo https://github.com/jrvidal/r5.rs
[INFO] finished tweaking git repo https://github.com/jrvidal/r5.rs
[INFO] tweaked toml for git repo https://github.com/jrvidal/r5.rs written to /workspace/builds/worker-4/source/Cargo.toml
[INFO] crate git repo https://github.com/jrvidal/r5.rs already has a lockfile, it will not be regenerated
[INFO] running `"/workspace/cargo-home/bin/cargo" "+beta-2020-06-03" "fetch" "--locked" "--manifest-path" "Cargo.toml"`
[INFO] running `"docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-4/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-4/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] 48cd389ee3891ee89c513688f9675906c92b8ce62b25f96e5eabfd9d043e8b4d
[INFO] running `"docker" "start" "-a" "48cd389ee3891ee89c513688f9675906c92b8ce62b25f96e5eabfd9d043e8b4d"`
[INFO] [stderr] sudo: setrlimit(RLIMIT_CORE): Operation not permitted
[INFO] [stderr] Compiling libc v0.2.36
[INFO] [stderr] Compiling void v1.0.2
[INFO] [stderr] Compiling regex v1.0.0
[INFO] [stderr] Compiling lazy_static v1.0.0
[INFO] [stderr] Compiling ucd-util v0.1.1
[INFO] [stderr] Compiling quick-error v1.2.1
[INFO] [stderr] Compiling cfg-if v0.1.2
[INFO] [stderr] Compiling utf8-ranges v1.0.0
[INFO] [stderr] Compiling unicode-width v0.1.4
[INFO] [stderr] Compiling termcolor v0.3.6
[INFO] [stderr] Compiling encode_unicode v0.1.3
[INFO] [stderr] Compiling gc v0.3.2
[INFO] [stderr] Compiling log v0.4.1
[INFO] [stderr] Compiling unreachable v1.0.0
[INFO] [stderr] Compiling humantime v1.1.1
[INFO] [stderr] Compiling thread_local v0.3.5
[INFO] [stderr] Compiling regex-syntax v0.6.0
[INFO] [stderr] Compiling memchr v2.0.1
[INFO] [stderr] Compiling nix v0.5.1
[INFO] [stderr] Compiling atty v0.2.10
[INFO] [stderr] Compiling aho-corasick v0.6.4
[INFO] [stderr] Compiling rustyline v1.0.0
[INFO] [stderr] Compiling env_logger v0.5.10
[INFO] [stderr] Compiling r5rs v0.2.0 (/opt/rustwide/workdir)
[INFO] [stderr] warning: unnecessary parentheses around type
[INFO] [stderr] --> src/compiler/mod.rs:771:20
[INFO] [stderr] |
[INFO] [stderr] 771 | ) -> Result