[INFO] cloning repository https://github.com/sbeckeriv/greedy-color
[INFO] running `Command { std: "git" "-c" "credential.helper=" "-c" "credential.helper=/workspace/cargo-home/bin/git-credential-null" "clone" "--bare" "https://github.com/sbeckeriv/greedy-color" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fsbeckeriv%2Fgreedy-color", kill_on_drop: false }`
[INFO] [stderr] Cloning into bare repository '/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fsbeckeriv%2Fgreedy-color'...
[INFO] running `Command { std: "git" "rev-parse" "HEAD", kill_on_drop: false }`
[INFO] [stdout] fb88ba8f338e4944da2a6998635fca5f393715db
[INFO] testing sbeckeriv/greedy-color against 1.60.0 for beta-1.61-1
[INFO] running `Command { std: "git" "clone" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fsbeckeriv%2Fgreedy-color" "/workspace/builds/worker-14/source", kill_on_drop: false }`
[INFO] [stderr] Cloning into '/workspace/builds/worker-14/source'...
[INFO] [stderr] done.
[INFO] validating manifest of git repo https://github.com/sbeckeriv/greedy-color on toolchain 1.60.0
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+1.60.0" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }`
[INFO] started tweaking git repo https://github.com/sbeckeriv/greedy-color
[INFO] finished tweaking git repo https://github.com/sbeckeriv/greedy-color
[INFO] tweaked toml for git repo https://github.com/sbeckeriv/greedy-color written to /workspace/builds/worker-14/source/Cargo.toml
[INFO] crate git repo https://github.com/sbeckeriv/greedy-color already has a lockfile, it will not be regenerated
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+1.60.0" "fetch" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] [stderr]  Downloading crates ...
[INFO] [stderr]   Downloaded ruby-sys v0.2.17
[INFO] [stderr]   Downloaded ruru v0.9.1
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-14/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-14/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" "CARGO_TARGET_DIR=/opt/rustwide/target" "-e" "CARGO_HOME=/opt/rustwide/cargo-home" "-e" "RUSTUP_HOME=/opt/rustwide/rustup-home" "-w" "/opt/rustwide/workdir" "-m" "1610612736" "--user" "0:0" "--network" "none" "ghcr.io/rust-lang/crates-build-env/linux@sha256:eaef2f80f755933c374d2ae5edccceec0c1312ceb8a4e0b6404e8ab76561e1e5" "/opt/rustwide/cargo-home/bin/cargo" "+1.60.0" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] 176c3ccd82345b39666463e3855f43b46da2968dabf374b2a917c0d213008f12
[INFO] [stderr] WARNING: Your kernel does not support swap limit capabilities or the cgroup is not mounted. Memory limited without swap.
[INFO] running `Command { std: "docker" "start" "-a" "176c3ccd82345b39666463e3855f43b46da2968dabf374b2a917c0d213008f12", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "176c3ccd82345b39666463e3855f43b46da2968dabf374b2a917c0d213008f12", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "176c3ccd82345b39666463e3855f43b46da2968dabf374b2a917c0d213008f12", kill_on_drop: false }`
[INFO] [stdout] 176c3ccd82345b39666463e3855f43b46da2968dabf374b2a917c0d213008f12
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-14/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-14/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" "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" "--user" "0:0" "--network" "none" "ghcr.io/rust-lang/crates-build-env/linux@sha256:eaef2f80f755933c374d2ae5edccceec0c1312ceb8a4e0b6404e8ab76561e1e5" "/opt/rustwide/cargo-home/bin/cargo" "+1.60.0" "build" "--frozen" "--message-format=json", kill_on_drop: false }`
[INFO] [stderr] WARNING: Your kernel does not support swap limit capabilities or the cgroup is not mounted. Memory limited without swap.
[INFO] [stdout] 136ddb6788bd3d8ac505d415e59ce67f788df0b8435d1b9d3cdb0d0a1ac4dd00
[INFO] running `Command { std: "docker" "start" "-a" "136ddb6788bd3d8ac505d415e59ce67f788df0b8435d1b9d3cdb0d0a1ac4dd00", kill_on_drop: false }`
[INFO] [stderr]    Compiling ruby-sys v0.2.17
[INFO] [stderr]    Compiling libc v0.2.11
[INFO] [stderr]    Compiling lazy_static v0.2.2
[INFO] [stderr]    Compiling ruru v0.9.1
[INFO] [stdout] error[E0133]: use of extern static is unsafe and requires unsafe function or block
[INFO] [stdout]    --> /opt/rustwide/cargo-home/registry/src/github.com-1ecc6299db9ec823/ruru-0.9.1/src/class/class.rs:137:53
[INFO] [stdout]     |
[INFO] [stdout] 137 |         Self::from(binding_util::get_constant(name, rb_cObject))
[INFO] [stdout]     |                                                     ^^^^^^^^^^ use of extern static
[INFO] [stdout]     |
[INFO] [stdout]     = note: extern statics are not controlled by the Rust type system: invalid data, aliasing violations or data races will cause undefined behavior
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error[E0133]: use of extern static is unsafe and requires unsafe function or block
[INFO] [stdout]    --> /opt/rustwide/cargo-home/registry/src/github.com-1ecc6299db9ec823/ruru-0.9.1/src/class/class.rs:574:21
[INFO] [stdout]     |
[INFO] [stdout] 574 |             None => rb_cObject,
[INFO] [stdout]     |                     ^^^^^^^^^^ use of extern static
[INFO] [stdout]     |
[INFO] [stdout]     = note: extern statics are not controlled by the Rust type system: invalid data, aliasing violations or data races will cause undefined behavior
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error: aborting due to 2 previous errors
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] For more information about this error, try `rustc --explain E0133`.
[INFO] [stdout] 
[INFO] [stderr] error: could not compile `ruru` due to 3 previous errors
[INFO] running `Command { std: "docker" "inspect" "136ddb6788bd3d8ac505d415e59ce67f788df0b8435d1b9d3cdb0d0a1ac4dd00", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "136ddb6788bd3d8ac505d415e59ce67f788df0b8435d1b9d3cdb0d0a1ac4dd00", kill_on_drop: false }`
[INFO] [stdout] 136ddb6788bd3d8ac505d415e59ce67f788df0b8435d1b9d3cdb0d0a1ac4dd00