[INFO] cloning repository https://github.com/aryabhatta-dey/mozzarella-os
[INFO] running `Command { std: "git" "-c" "credential.helper=" "-c" "credential.helper=/workspace/cargo-home/bin/git-credential-null" "clone" "--bare" "https://github.com/aryabhatta-dey/mozzarella-os" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Faryabhatta-dey%2Fmozzarella-os", kill_on_drop: false }`
[INFO] [stderr] Cloning into bare repository '/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Faryabhatta-dey%2Fmozzarella-os'...
[INFO] running `Command { std: "git" "rev-parse" "HEAD", kill_on_drop: false }`
[INFO] [stdout] d63a81b4e8cde834a6d1cdd3bddfe5f505c06b82
[INFO] testing aryabhatta-dey/mozzarella-os against try#eafdee2dfae8c2233b74f98b123308be7ccefcc6 for pr-79296
[INFO] running `Command { std: "git" "clone" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Faryabhatta-dey%2Fmozzarella-os" "/workspace/builds/worker-1/source", kill_on_drop: false }`
[INFO] [stderr] Cloning into '/workspace/builds/worker-1/source'...
[INFO] [stderr] done.
[INFO] validating manifest of git repo https://github.com/aryabhatta-dey/mozzarella-os on toolchain eafdee2dfae8c2233b74f98b123308be7ccefcc6
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+eafdee2dfae8c2233b74f98b123308be7ccefcc6" "read-manifest" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] started tweaking git repo https://github.com/aryabhatta-dey/mozzarella-os
[INFO] finished tweaking git repo https://github.com/aryabhatta-dey/mozzarella-os
[INFO] tweaked toml for git repo https://github.com/aryabhatta-dey/mozzarella-os written to /workspace/builds/worker-1/source/Cargo.toml
[INFO] crate git repo https://github.com/aryabhatta-dey/mozzarella-os already has a lockfile, it will not be regenerated
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+eafdee2dfae8c2233b74f98b123308be7ccefcc6" "fetch" "--locked" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-1/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" "rustops/crates-build-env@sha256:6eabd152ff4036248d66efda456a36cb33d24b7291b33f25f75140726c88da35" "/opt/rustwide/cargo-home/bin/cargo" "+eafdee2dfae8c2233b74f98b123308be7ccefcc6" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] 69f7dec5707755720c0205533b08b5de1b2bf8e641804ef33c1ddf09ed5f0de7
[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" "69f7dec5707755720c0205533b08b5de1b2bf8e641804ef33c1ddf09ed5f0de7", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "69f7dec5707755720c0205533b08b5de1b2bf8e641804ef33c1ddf09ed5f0de7", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "69f7dec5707755720c0205533b08b5de1b2bf8e641804ef33c1ddf09ed5f0de7", kill_on_drop: false }`
[INFO] [stdout] 69f7dec5707755720c0205533b08b5de1b2bf8e641804ef33c1ddf09ed5f0de7
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-1/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" "rustops/crates-build-env@sha256:6eabd152ff4036248d66efda456a36cb33d24b7291b33f25f75140726c88da35" "/opt/rustwide/cargo-home/bin/cargo" "+eafdee2dfae8c2233b74f98b123308be7ccefcc6" "build" "--frozen" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] cbf209f9db6b1874da22777860ff3d1d2e02fcb297576783dfed757941fcf72f
[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" "cbf209f9db6b1874da22777860ff3d1d2e02fcb297576783dfed757941fcf72f", kill_on_drop: false }`
[INFO] [stderr]    Compiling mozzarella-os v0.1.0 (/opt/rustwide/workdir)
[INFO] [stdout] error[E0432]: unresolved import `arch_cpu`
[INFO] [stdout]  --> src/cpu.rs:6:9
[INFO] [stdout]   |
[INFO] [stdout] 6 | pub use arch_cpu::*;
[INFO] [stdout]   |         ^^^^^^^^ use of undeclared crate or module `arch_cpu`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error[E0425]: cannot find function `wait_forever` in module `cpu`
[INFO] [stdout]  --> src/panic_wait.rs:8:10
[INFO] [stdout]   |
[INFO] [stdout] 8 |     cpu::wait_forever()
[INFO] [stdout]   |          ^^^^^^^^^^^^ not found in `cpu`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error: language item required, but not found: `eh_personality`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error: aborting due to 3 previous errors
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] Some errors have detailed explanations: E0425, E0432.
[INFO] [stdout] 
[INFO] [stdout] For more information about an error, try `rustc --explain E0425`.
[INFO] [stdout] 
[INFO] [stderr] error: could not compile `mozzarella-os`
[INFO] [stderr] 
[INFO] [stderr] To learn more, run the command again with --verbose.
[INFO] running `Command { std: "docker" "inspect" "cbf209f9db6b1874da22777860ff3d1d2e02fcb297576783dfed757941fcf72f", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "cbf209f9db6b1874da22777860ff3d1d2e02fcb297576783dfed757941fcf72f", kill_on_drop: false }`
[INFO] [stdout] cbf209f9db6b1874da22777860ff3d1d2e02fcb297576783dfed757941fcf72f