[INFO] crate baduk 0.1.0 is already in cache
[INFO] testing baduk-0.1.0 against master#8534be72fc3b9c5f2f2dc4e4ee7b651a008e9a3e for pr-74409
[INFO] extracting crate baduk 0.1.0 into /workspace/builds/worker-2/source
[INFO] validating manifest of crates.io crate baduk 0.1.0 on toolchain 8534be72fc3b9c5f2f2dc4e4ee7b651a008e9a3e
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+8534be72fc3b9c5f2f2dc4e4ee7b651a008e9a3e" "read-manifest" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] started tweaking crates.io crate baduk 0.1.0
[INFO] finished tweaking crates.io crate baduk 0.1.0
[INFO] tweaked toml for crates.io crate baduk 0.1.0 written to /workspace/builds/worker-2/source/Cargo.toml
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+8534be72fc3b9c5f2f2dc4e4ee7b651a008e9a3e" "generate-lockfile" "--manifest-path" "Cargo.toml" "-Zno-index-update", kill_on_drop: false }`
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+8534be72fc3b9c5f2f2dc4e4ee7b651a008e9a3e" "fetch" "--locked" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] [stderr]     Blocking waiting for file lock on package cache
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-2/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" "MAP_USER_ID=0" "-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" "--network" "none" "rustops/crates-build-env@sha256:d9fbb4e2287ab3795bdefaf705efb7541a8875c13bce71e067d6b01dc5ed759b" "/opt/rustwide/cargo-home/bin/cargo" "+8534be72fc3b9c5f2f2dc4e4ee7b651a008e9a3e" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] 792b5e1a6a4e6f2c925b53e15401886ed3b4e2eb3f0bc85bc476a0d8a3fa826e
[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" "792b5e1a6a4e6f2c925b53e15401886ed3b4e2eb3f0bc85bc476a0d8a3fa826e", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "792b5e1a6a4e6f2c925b53e15401886ed3b4e2eb3f0bc85bc476a0d8a3fa826e", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "792b5e1a6a4e6f2c925b53e15401886ed3b4e2eb3f0bc85bc476a0d8a3fa826e", kill_on_drop: false }`
[INFO] [stdout] 792b5e1a6a4e6f2c925b53e15401886ed3b4e2eb3f0bc85bc476a0d8a3fa826e
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-2/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" "MAP_USER_ID=0" "-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" "--network" "none" "rustops/crates-build-env@sha256:d9fbb4e2287ab3795bdefaf705efb7541a8875c13bce71e067d6b01dc5ed759b" "/opt/rustwide/cargo-home/bin/cargo" "+8534be72fc3b9c5f2f2dc4e4ee7b651a008e9a3e" "build" "--frozen" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] 235d30f9355f312369f1e19f2fcfb9df602f1d99bc03e76da0402f4594e83283
[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" "235d30f9355f312369f1e19f2fcfb9df602f1d99bc03e76da0402f4594e83283", kill_on_drop: false }`
[INFO] [stderr]    Compiling nom v2.2.1
[INFO] [stderr]    Compiling baduk v0.1.0 (/opt/rustwide/workdir)
[INFO] [stdout] error[E0557]: feature has been removed
[INFO] [stdout]  --> src/main.rs:1:12
[INFO] [stdout]   |
[INFO] [stdout] 1 | #![feature(advanced_slice_patterns, slice_patterns)]
[INFO] [stdout]   |            ^^^^^^^^^^^^^^^^^^^^^^^ feature has been removed
[INFO] [stdout]   |
[INFO] [stdout]   = note: merged into `#![feature(slice_patterns)]`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error: expected one of `,`, `]`, or `|`, found `..`
[INFO] [stdout]    --> src/sgf.rs:125:26
[INFO] [stdout]     |
[INFO] [stdout] 125 |                 &[] | &[_..] => Err(SgfParseError::InvalidMoveCoordinate(String::from(s))),
[INFO] [stdout]     |                          ^^ expected one of `,`, `]`, or `|`
[INFO] [stdout]     |
[INFO] [stdout] help: if you meant to bind the contents of the rest of the array pattern into `_`, use `@`
[INFO] [stdout]     |
[INFO] [stdout] 125 |                 &[] | &[_ @ ..] => Err(SgfParseError::InvalidMoveCoordinate(String::from(s))),
[INFO] [stdout]     |                           ^
[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 E0557`.
[INFO] [stdout] 
[INFO] [stderr] error: could not compile `baduk`.
[INFO] [stderr] 
[INFO] [stderr] To learn more, run the command again with --verbose.
[INFO] running `Command { std: "docker" "inspect" "235d30f9355f312369f1e19f2fcfb9df602f1d99bc03e76da0402f4594e83283", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "235d30f9355f312369f1e19f2fcfb9df602f1d99bc03e76da0402f4594e83283", kill_on_drop: false }`
[INFO] [stdout] 235d30f9355f312369f1e19f2fcfb9df602f1d99bc03e76da0402f4594e83283