[INFO] cloning repository https://github.com/Detegr/RBot
[INFO] running `"git" "-c" "credential.helper=" "-c" "credential.helper=/workspace/cargo-home/bin/git-credential-null" "clone" "--bare" "https://github.com/Detegr/RBot" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2FDetegr%2FRBot"`
[INFO] [stderr] Cloning into bare repository '/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2FDetegr%2FRBot'...
[INFO] running `"git" "rev-parse" "HEAD"`
[INFO] [stdout] f2fc3476cd2afd0b1754b7f3cdba600e95132cbe
[INFO] testing Detegr/RBot against beta-2020-06-03 for beta-1.45-1
[INFO] running `"git" "clone" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2FDetegr%2FRBot" "/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/Detegr/RBot 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/Detegr/RBot
[INFO] finished tweaking git repo https://github.com/Detegr/RBot
[INFO] tweaked toml for git repo https://github.com/Detegr/RBot written to /workspace/builds/worker-9/source/Cargo.toml
[INFO] crate git repo https://github.com/Detegr/RBot 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] [stderr]  Downloading crates ...
[INFO] [stderr]   Downloaded ctrlc v2.0.1
[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" "+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] f2a6c48b93c598d77da9d9d3a4ede5ee5ddebf5ba658f0b6f2b63ec02b5537d8
[INFO] running `"docker" "start" "-a" "f2a6c48b93c598d77da9d9d3a4ede5ee5ddebf5ba658f0b6f2b63ec02b5537d8"`
[INFO] [stderr] sudo: setrlimit(RLIMIT_CORE): Operation not permitted
[INFO] [stderr]    Compiling winapi-build v0.1.1
[INFO] [stderr]    Compiling winapi v0.2.8
[INFO] [stderr]    Compiling num-traits v0.1.36
[INFO] [stderr]    Compiling libc v0.2.16
[INFO] [stderr]    Compiling libc v0.1.12
[INFO] [stderr]    Compiling debug-builders v0.1.0
[INFO] [stderr]    Compiling rustc-serialize v0.3.19
[INFO] [stderr]    Compiling crossbeam v0.2.10
[INFO] [stderr]    Compiling bufstream v0.1.2
[INFO] [stderr]    Compiling kernel32-sys v0.2.2
[INFO] [stderr] error[E0642]: patterns aren't allowed in functions without bodies
[INFO] [stderr]    --> /opt/rustwide/cargo-home/registry/src/github.com-1ecc6299db9ec823/rustc-serialize-0.3.19/src/serialize.rs:147:45
[INFO] [stderr]     |
[INFO] [stderr] 147 | ...                   &f_name: &str,
[INFO] [stderr]     |                       ^^^^^^^ pattern not allowed in function without body
[INFO] [stderr] 
[INFO] [stderr]    Compiling unix_socket v0.4.6
[INFO] [stderr]    Compiling time v0.1.35
[INFO] [stderr]    Compiling ctrlc v2.0.1
[INFO] [stderr]    Compiling num-integer v0.1.32
[INFO] [stderr]    Compiling num-iter v0.1.32
[INFO] [stderr]    Compiling num v0.1.36
[INFO] [stderr]    Compiling chrono v0.2.25
[INFO] [stderr] error: aborting due to previous error
[INFO] [stderr] 
[INFO] [stderr] For more information about this error, try `rustc --explain E0642`.
[INFO] [stderr] error: could not compile `rustc-serialize`.
[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" "f2a6c48b93c598d77da9d9d3a4ede5ee5ddebf5ba658f0b6f2b63ec02b5537d8"`
[INFO] running `"docker" "rm" "-f" "f2a6c48b93c598d77da9d9d3a4ede5ee5ddebf5ba658f0b6f2b63ec02b5537d8"`
[INFO] [stdout] f2a6c48b93c598d77da9d9d3a4ede5ee5ddebf5ba658f0b6f2b63ec02b5537d8