[INFO] cloning repository https://github.com/liambloom/pattern-finder
[INFO] running `Command { std: "git" "-c" "credential.helper=" "-c" "credential.helper=/workspace/cargo-home/bin/git-credential-null" "clone" "--bare" "https://github.com/liambloom/pattern-finder" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fliambloom%2Fpattern-finder", kill_on_drop: false }`
[INFO] [stderr] Cloning into bare repository '/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fliambloom%2Fpattern-finder'...
[INFO] running `Command { std: "git" "rev-parse" "HEAD", kill_on_drop: false }`
[INFO] [stdout] 46083204ce212ea260820ef7c3534197528586d6
[INFO] checking liambloom/pattern-finder against beta for pr-78714
[INFO] running `Command { std: "git" "clone" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fliambloom%2Fpattern-finder" "/workspace/builds/worker-3/source", kill_on_drop: false }`
[INFO] [stderr] Cloning into '/workspace/builds/worker-3/source'...
[INFO] [stderr] done.
[INFO] validating manifest of git repo https://github.com/liambloom/pattern-finder on toolchain beta
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+beta" "read-manifest" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] started tweaking git repo https://github.com/liambloom/pattern-finder
[INFO] removed workspace from git repo https://github.com/liambloom/pattern-finder
[INFO] removed path dependency config from git repo https://github.com/liambloom/pattern-finder
[INFO] removed path dependency math from git repo https://github.com/liambloom/pattern-finder
[INFO] removed path dependency util from git repo https://github.com/liambloom/pattern-finder
[INFO] finished tweaking git repo https://github.com/liambloom/pattern-finder
[INFO] tweaked toml for git repo https://github.com/liambloom/pattern-finder written to /workspace/builds/worker-3/source/Cargo.toml
[INFO] crate git repo https://github.com/liambloom/pattern-finder already has a lockfile, it will not be regenerated
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+beta" "fetch" "--locked" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] [stderr] warning: dependency (config) specified without providing a local path, Git repository, or version to use. This will be considered an error in future versions
[INFO] [stderr] warning: dependency (math) specified without providing a local path, Git repository, or version to use. This will be considered an error in future versions
[INFO] [stderr] warning: dependency (util) specified without providing a local path, Git repository, or version to use. This will be considered an error in future versions
[INFO] [stderr]     Updating crates.io index
[INFO] [stderr] error: the lock file /workspace/builds/worker-3/source/Cargo.lock needs to be updated but --locked was passed to prevent this
[INFO] [stderr] If you want to try to generate the lock file without accessing the network, use the --offline flag.
[INFO] the lockfile is outdated, regenerating it
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+beta" "generate-lockfile" "--manifest-path" "Cargo.toml" "-Zno-index-update", kill_on_drop: false }`
[INFO] [stderr]     Blocking waiting for file lock on package cache
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+beta" "fetch" "--locked" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] [stderr] warning: dependency (config) specified without providing a local path, Git repository, or version to use. This will be considered an error in future versions
[INFO] [stderr] warning: dependency (math) specified without providing a local path, Git repository, or version to use. This will be considered an error in future versions
[INFO] [stderr] warning: dependency (util) specified without providing a local path, Git repository, or version to use. This will be considered an error in future versions
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-3/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-3/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" "+beta" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] 725691acf6a1295fc3afaa912def2cdcbe1796f29233f75bd1a9f585a44ce3fc
[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" "725691acf6a1295fc3afaa912def2cdcbe1796f29233f75bd1a9f585a44ce3fc", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "725691acf6a1295fc3afaa912def2cdcbe1796f29233f75bd1a9f585a44ce3fc", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "725691acf6a1295fc3afaa912def2cdcbe1796f29233f75bd1a9f585a44ce3fc", kill_on_drop: false }`
[INFO] [stdout] 725691acf6a1295fc3afaa912def2cdcbe1796f29233f75bd1a9f585a44ce3fc
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-3/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-3/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" "+beta" "check" "--frozen" "--all" "--all-targets" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] 5999d7897bcf9d9d6f9b1dc8b5a45ea75507089f8f2f6d34b4b20b6eef820c95
[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" "5999d7897bcf9d9d6f9b1dc8b5a45ea75507089f8f2f6d34b4b20b6eef820c95", kill_on_drop: false }`
[INFO] [stderr] warning: dependency (config) specified without providing a local path, Git repository, or version to use. This will be considered an error in future versions
[INFO] [stderr] warning: dependency (math) specified without providing a local path, Git repository, or version to use. This will be considered an error in future versions
[INFO] [stderr] warning: dependency (util) specified without providing a local path, Git repository, or version to use. This will be considered an error in future versions
[INFO] [stderr]     Checking arrayvec v0.5.2
[INFO] [stderr]     Checking util v0.1.2
[INFO] [stderr]     Checking parking_lot_core v0.7.2
[INFO] [stderr]     Checking mio v0.7.5
[INFO] [stderr]     Checking toml v0.5.7
[INFO] [stderr]     Checking num-integer v0.1.44
[INFO] [stderr]     Checking num-complex v0.2.4
[INFO] [stderr]     Checking rayon-core v1.9.0
[INFO] [stderr]     Checking num-complex v0.3.1
[INFO] [stderr]     Checking serde-hjson v0.9.1
[INFO] [stderr]     Checking signal-hook v0.1.16
[INFO] [stderr]     Checking parking_lot v0.10.2
[INFO] [stderr]     Checking lexical-core v0.7.4
[INFO] [stderr]     Checking num-iter v0.1.42
[INFO] [stderr]     Checking num-bigint v0.2.6
[INFO] [stderr]     Checking num-bigint v0.3.1
[INFO] [stderr]     Checking rayon v1.5.0
[INFO] [stderr]     Checking crossterm v0.17.7
[INFO] [stderr]     Checking num-rational v0.2.4
[INFO] [stderr]     Checking nom v5.1.2
[INFO] [stderr]     Checking num-rational v0.3.2
[INFO] [stderr]     Checking num v0.2.1
[INFO] [stderr]     Checking num v0.3.1
[INFO] [stderr]     Checking math v0.8.8
[INFO] [stdout] error[E0554]: `#![feature]` may not be used on the beta release channel
[INFO] [stdout]  --> /opt/rustwide/cargo-home/registry/src/github.com-1ecc6299db9ec823/math-0.8.8/src/lib.rs:3:1
[INFO] [stdout]   |
[INFO] [stdout] 3 | #![feature(drain_filter)]
[INFO] [stdout]   | ^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error[E0554]: `#![feature]` may not be used on the beta release channel
[INFO] [stdout]  --> /opt/rustwide/cargo-home/registry/src/github.com-1ecc6299db9ec823/math-0.8.8/src/lib.rs:4:1
[INFO] [stdout]   |
[INFO] [stdout] 4 | #![feature(bool_to_option)]
[INFO] [stdout]   | ^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr]     Checking config v0.10.1
[INFO] [stdout] error: aborting due to 2 previous errors
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] For more information about this error, try `rustc --explain E0554`.
[INFO] [stdout] 
[INFO] [stderr] error: could not compile `math`
[INFO] [stderr] 
[INFO] [stderr] To learn more, run the command again with --verbose.
[INFO] [stderr] warning: build failed, waiting for other jobs to finish...
[INFO] [stderr] error: build failed
[INFO] running `Command { std: "docker" "inspect" "5999d7897bcf9d9d6f9b1dc8b5a45ea75507089f8f2f6d34b4b20b6eef820c95", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "5999d7897bcf9d9d6f9b1dc8b5a45ea75507089f8f2f6d34b4b20b6eef820c95", kill_on_drop: false }`
[INFO] [stdout] 5999d7897bcf9d9d6f9b1dc8b5a45ea75507089f8f2f6d34b4b20b6eef820c95