[INFO] cloning repository https://github.com/daveallie/rust_watcher
[INFO] running `Command { std: "git" "-c" "credential.helper=" "-c" "credential.helper=/workspace/cargo-home/bin/git-credential-null" "clone" "--bare" "https://github.com/daveallie/rust_watcher" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fdaveallie%2Frust_watcher", kill_on_drop: false }`
[INFO] [stderr] Cloning into bare repository '/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fdaveallie%2Frust_watcher'...
[INFO] running `Command { std: "git" "rev-parse" "HEAD", kill_on_drop: false }`
[INFO] [stdout] 586fa61a590b8dfbb97fa1261a3fc4272bb62106
[INFO] testing daveallie/rust_watcher against beta-2021-09-08 for beta-1.56-1
[INFO] running `Command { std: "git" "clone" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fdaveallie%2Frust_watcher" "/workspace/builds/worker-8/source", kill_on_drop: false }`
[INFO] [stderr] Cloning into '/workspace/builds/worker-8/source'...
[INFO] [stderr] done.
[INFO] validating manifest of git repo https://github.com/daveallie/rust_watcher on toolchain beta-2021-09-08
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+beta-2021-09-08" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }`
[INFO] started tweaking git repo https://github.com/daveallie/rust_watcher
[INFO] finished tweaking git repo https://github.com/daveallie/rust_watcher
[INFO] tweaked toml for git repo https://github.com/daveallie/rust_watcher written to /workspace/builds/worker-8/source/Cargo.toml
[INFO] crate git repo https://github.com/daveallie/rust_watcher already has a lockfile, it will not be regenerated
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+beta-2021-09-08" "fetch" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] [stderr]  Downloading crates ...
[INFO] [stderr]   Downloaded fsevent-sys v0.1.5
[INFO] [stderr]   Downloaded net2 v0.2.26
[INFO] [stderr]   Downloaded fsevent v0.2.15
[INFO] [stderr]   Downloaded miow v0.1.3
[INFO] [stderr]   Downloaded cfg-if v0.1.0
[INFO] [stderr]   Downloaded libc v0.2.16
[INFO] [stderr]   Downloaded bitflags v0.4.0
[INFO] [stderr]   Downloaded notify v2.6.3
[INFO] [stderr]   Downloaded walkdir v0.1.8
[INFO] [stderr]   Downloaded slab v0.1.3
[INFO] [stderr]   Downloaded inotify v0.2.3
[INFO] [stderr]   Downloaded bytes v0.3.0
[INFO] [stderr]   Downloaded ruby-sys v0.2.13
[INFO] [stderr]   Downloaded ruru v0.8.1
[INFO] [stderr]   Downloaded nix v0.5.1
[INFO] [stderr]   Downloaded mio v0.5.1
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-8/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-8/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:a89201d6b5b9fd45c15d5952ece0a0129e7e80cb26ec023fd59cf09bc26f1604" "/opt/rustwide/cargo-home/bin/cargo" "+beta-2021-09-08" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] 5696e79d5a62d9c60398cddda0dc56f4be43f4427484a4822828ad8a6ed655e0
[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" "5696e79d5a62d9c60398cddda0dc56f4be43f4427484a4822828ad8a6ed655e0", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "5696e79d5a62d9c60398cddda0dc56f4be43f4427484a4822828ad8a6ed655e0", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "5696e79d5a62d9c60398cddda0dc56f4be43f4427484a4822828ad8a6ed655e0", kill_on_drop: false }`
[INFO] [stdout] 5696e79d5a62d9c60398cddda0dc56f4be43f4427484a4822828ad8a6ed655e0
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-8/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-8/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:a89201d6b5b9fd45c15d5952ece0a0129e7e80cb26ec023fd59cf09bc26f1604" "/opt/rustwide/cargo-home/bin/cargo" "+beta-2021-09-08" "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] 69487243cec263a62d98d464d75e8d6b9c7e0d7dafecc27fb26726ecd9f4cf20
[INFO] running `Command { std: "docker" "start" "-a" "69487243cec263a62d98d464d75e8d6b9c7e0d7dafecc27fb26726ecd9f4cf20", kill_on_drop: false }`
[INFO] [stderr]    Compiling libc v0.2.16
[INFO] [stderr]    Compiling ruby-sys v0.2.13
[INFO] [stderr]    Compiling ws2_32-sys v0.2.1
[INFO] [stderr]    Compiling net2 v0.2.26
[INFO] [stderr]    Compiling time v0.1.35
[INFO] [stderr]    Compiling nix v0.5.1
[INFO] [stderr]    Compiling filetime v0.1.10
[INFO] [stderr]    Compiling inotify v0.2.3
[INFO] [stderr]    Compiling miow v0.1.3
[INFO] [stderr]    Compiling ruru v0.8.1
[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-0.8.1/src/class/class.rs:136:53
[INFO] [stdout]     |
[INFO] [stdout] 136 |         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-0.8.1/src/class/class.rs:391:21
[INFO] [stdout]     |
[INFO] [stdout] 391 |             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] [stderr] warning: build failed, waiting for other jobs to finish...
[INFO] [stderr] error: build failed
[INFO] running `Command { std: "docker" "inspect" "69487243cec263a62d98d464d75e8d6b9c7e0d7dafecc27fb26726ecd9f4cf20", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "69487243cec263a62d98d464d75e8d6b9c7e0d7dafecc27fb26726ecd9f4cf20", kill_on_drop: false }`
[INFO] [stdout] 69487243cec263a62d98d464d75e8d6b9c7e0d7dafecc27fb26726ecd9f4cf20