[INFO] cloning repository https://github.com/ex0dus-0x/xb_automata
[INFO] running `Command { std: "git" "-c" "credential.helper=" "-c" "credential.helper=/workspace/cargo-home/bin/git-credential-null" "clone" "--bare" "https://github.com/ex0dus-0x/xb_automata" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fex0dus-0x%2Fxb_automata", kill_on_drop: false }`
[INFO] [stderr] Cloning into bare repository '/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fex0dus-0x%2Fxb_automata'...
[INFO] running `Command { std: "git" "rev-parse" "HEAD", kill_on_drop: false }`
[INFO] [stdout] e2bbf45c0af6cd739696d4724d437d64ac52620f
[INFO] testing ex0dus-0x/xb_automata against beta-2021-01-01 for beta-1.50-1
[INFO] running `Command { std: "git" "clone" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fex0dus-0x%2Fxb_automata" "/workspace/builds/worker-4/source", kill_on_drop: false }`
[INFO] [stderr] Cloning into '/workspace/builds/worker-4/source'...
[INFO] [stderr] done.
[INFO] validating manifest of git repo https://github.com/ex0dus-0x/xb_automata on toolchain beta-2021-01-01
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+beta-2021-01-01" "read-manifest" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] started tweaking git repo https://github.com/ex0dus-0x/xb_automata
[INFO] finished tweaking git repo https://github.com/ex0dus-0x/xb_automata
[INFO] tweaked toml for git repo https://github.com/ex0dus-0x/xb_automata written to /workspace/builds/worker-4/source/Cargo.toml
[INFO] crate git repo https://github.com/ex0dus-0x/xb_automata already has a lockfile, it will not be regenerated
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+beta-2021-01-01" "fetch" "--locked" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-4/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-4/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:b8eeb62f26c39b23691079a6cb6de528d8e88b4d71a8f6b1d30f8ba7d9c16de9" "/opt/rustwide/cargo-home/bin/cargo" "+beta-2021-01-01" "metadata" "--no-deps" "--format-version=1", 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] e577f3944512a1edc4bda74fc7bee307068ab7095c3cfd14b47459709c1fe7c0
[INFO] running `Command { std: "docker" "start" "-a" "e577f3944512a1edc4bda74fc7bee307068ab7095c3cfd14b47459709c1fe7c0", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "e577f3944512a1edc4bda74fc7bee307068ab7095c3cfd14b47459709c1fe7c0", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "e577f3944512a1edc4bda74fc7bee307068ab7095c3cfd14b47459709c1fe7c0", kill_on_drop: false }`
[INFO] [stdout] e577f3944512a1edc4bda74fc7bee307068ab7095c3cfd14b47459709c1fe7c0
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-4/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-4/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" "rustops/crates-build-env@sha256:b8eeb62f26c39b23691079a6cb6de528d8e88b4d71a8f6b1d30f8ba7d9c16de9" "/opt/rustwide/cargo-home/bin/cargo" "+beta-2021-01-01" "build" "--frozen" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] 3df938e81625455f162b7f77bfcfc7114388dc824c718aadecb9ec500fb4027a
[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" "3df938e81625455f162b7f77bfcfc7114388dc824c718aadecb9ec500fb4027a", kill_on_drop: false }`
[INFO] [stderr]    Compiling xb v0.1.0 (/opt/rustwide/workdir)
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 1.05s
[INFO] running `Command { std: "docker" "inspect" "3df938e81625455f162b7f77bfcfc7114388dc824c718aadecb9ec500fb4027a", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "3df938e81625455f162b7f77bfcfc7114388dc824c718aadecb9ec500fb4027a", kill_on_drop: false }`
[INFO] [stdout] 3df938e81625455f162b7f77bfcfc7114388dc824c718aadecb9ec500fb4027a
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-4/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-4/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" "rustops/crates-build-env@sha256:b8eeb62f26c39b23691079a6cb6de528d8e88b4d71a8f6b1d30f8ba7d9c16de9" "/opt/rustwide/cargo-home/bin/cargo" "+beta-2021-01-01" "test" "--frozen" "--no-run" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] 58929ae3f29a12c4c928917f661841ac24ca7668b923602fa386c0171863247f
[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" "58929ae3f29a12c4c928917f661841ac24ca7668b923602fa386c0171863247f", kill_on_drop: false }`
[INFO] [stderr]    Compiling xb v0.1.0 (/opt/rustwide/workdir)
[INFO] [stdout] error[E0433]: failed to resolve: use of undeclared type `XbMachine`
[INFO] [stdout]    --> src/lib.rs:155:26
[INFO] [stdout]     |
[INFO] [stdout] 155 |         let mut xb_isa = XbMachine::new(xb_states, xb_instructions);
[INFO] [stdout]     |                          ^^^^^^^^^ not found in this scope
[INFO] [stdout]     |
[INFO] [stdout] help: consider importing this type alias
[INFO] [stdout]     |
[INFO] [stdout] 142 |     use crate::XbMachine;
[INFO] [stdout]     |
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error: aborting due to previous error
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] For more information about this error, try `rustc --explain E0433`.
[INFO] [stdout] 
[INFO] [stderr] error: could not compile `xb`
[INFO] [stderr] 
[INFO] [stderr] To learn more, run the command again with --verbose.
[INFO] running `Command { std: "docker" "inspect" "58929ae3f29a12c4c928917f661841ac24ca7668b923602fa386c0171863247f", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "58929ae3f29a12c4c928917f661841ac24ca7668b923602fa386c0171863247f", kill_on_drop: false }`
[INFO] [stdout] 58929ae3f29a12c4c928917f661841ac24ca7668b923602fa386c0171863247f