[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] checking daveallie/rust_watcher against master#5a8a44196b3cf099f8c9b0156bd902eaec0b4e5f for pr-87248
[INFO] running `Command { std: "git" "clone" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fdaveallie%2Frust_watcher" "/workspace/builds/worker-12/source", kill_on_drop: false }`
[INFO] [stderr] Cloning into '/workspace/builds/worker-12/source'...
[INFO] [stderr] done.
[INFO] validating manifest of git repo https://github.com/daveallie/rust_watcher on toolchain 5a8a44196b3cf099f8c9b0156bd902eaec0b4e5f
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+5a8a44196b3cf099f8c9b0156bd902eaec0b4e5f" "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-12/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" "+5a8a44196b3cf099f8c9b0156bd902eaec0b4e5f" "fetch" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] [stderr]     Blocking waiting for file lock on package cache
[INFO] [stderr]     Blocking waiting for file lock on package cache
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-12/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-12/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@sha256:34b6a614d2c27851fe6cbf88fbd1137609cefab8b10d0615aaeb6fd47975d74e" "/opt/rustwide/cargo-home/bin/cargo" "+5a8a44196b3cf099f8c9b0156bd902eaec0b4e5f" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] 20b09ed89e017a44daaee6ebcc40b7c5e03c32abc806a00f456b5b40f0908e2b
[INFO] running `Command { std: "docker" "start" "-a" "20b09ed89e017a44daaee6ebcc40b7c5e03c32abc806a00f456b5b40f0908e2b", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "20b09ed89e017a44daaee6ebcc40b7c5e03c32abc806a00f456b5b40f0908e2b", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "20b09ed89e017a44daaee6ebcc40b7c5e03c32abc806a00f456b5b40f0908e2b", kill_on_drop: false }`
[INFO] [stdout] 20b09ed89e017a44daaee6ebcc40b7c5e03c32abc806a00f456b5b40f0908e2b
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-12/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-12/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=forbid" "-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@sha256:34b6a614d2c27851fe6cbf88fbd1137609cefab8b10d0615aaeb6fd47975d74e" "/opt/rustwide/cargo-home/bin/cargo" "+5a8a44196b3cf099f8c9b0156bd902eaec0b4e5f" "check" "--frozen" "--all" "--all-targets" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] 2dd9010f814f30674b57e525dc3592ffe00c0a88ed69bae52d3f75b0a216b46a
[INFO] running `Command { std: "docker" "start" "-a" "2dd9010f814f30674b57e525dc3592ffe00c0a88ed69bae52d3f75b0a216b46a", kill_on_drop: false }`
[INFO] [stderr]     Blocking waiting for file lock on package cache
[INFO] [stderr]     Checking cfg-if v0.1.0
[INFO] [stderr]     Checking bitflags v0.4.0
[INFO] [stderr]    Compiling ruby-sys v0.2.13
[INFO] [stderr]     Checking bytes v0.3.0
[INFO] [stderr]     Checking slab v0.1.3
[INFO] [stderr]    Compiling ws2_32-sys v0.2.1
[INFO] [stderr]     Checking filetime v0.1.10
[INFO] [stderr]     Checking inotify v0.2.3
[INFO] [stderr]     Checking time v0.1.35
[INFO] [stderr]     Checking walkdir v0.1.8
[INFO] [stderr]     Checking nix v0.5.1
[INFO] [stderr]     Checking net2 v0.2.26
[INFO] [stderr]     Checking miow v0.1.3
[INFO] [stderr]     Checking 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" "2dd9010f814f30674b57e525dc3592ffe00c0a88ed69bae52d3f75b0a216b46a", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "2dd9010f814f30674b57e525dc3592ffe00c0a88ed69bae52d3f75b0a216b46a", kill_on_drop: false }`
[INFO] [stdout] 2dd9010f814f30674b57e525dc3592ffe00c0a88ed69bae52d3f75b0a216b46a