[INFO] updating cached repository https://github.com/tarsa/demixer
[INFO] running `"git" "-c" "credential.helper=" "-c" "credential.helper=/workspace/cargo-home/bin/git-credential-null" "-c" "remote.origin.fetch=refs/heads/*:refs/heads/*" "fetch" "origin" "--force" "--prune"`
[INFO] running `"git" "rev-parse" "HEAD"`
[INFO] [stdout] 478967c7dee10e53375739bbb4de19406dbb4519
[INFO] checking tarsa/demixer against try#e4dba30b9b475d8750370c4dfb49b6541990904d for pr-71393
[INFO] running `"git" "clone" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Ftarsa%2Fdemixer" "/workspace/builds/worker-6/source"`
[INFO] [stderr] Cloning into '/workspace/builds/worker-6/source'...
[INFO] [stderr] done.
[INFO] validating manifest of git repo https://github.com/tarsa/demixer on toolchain e4dba30b9b475d8750370c4dfb49b6541990904d
[INFO] running `"/workspace/cargo-home/bin/cargo" "+e4dba30b9b475d8750370c4dfb49b6541990904d" "read-manifest" "--manifest-path" "Cargo.toml"`
[INFO] started tweaking git repo https://github.com/tarsa/demixer
[INFO] finished tweaking git repo https://github.com/tarsa/demixer
[INFO] tweaked toml for git repo https://github.com/tarsa/demixer written to /workspace/builds/worker-6/source/Cargo.toml
[INFO] crate git repo https://github.com/tarsa/demixer already has a lockfile, it will not be regenerated
[INFO] running `"/workspace/cargo-home/bin/cargo" "+e4dba30b9b475d8750370c4dfb49b6541990904d" "fetch" "--locked" "--manifest-path" "Cargo.toml"`
[INFO] running `"docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-6/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-6/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" "/opt/rustwide/cargo-home/bin/cargo" "+e4dba30b9b475d8750370c4dfb49b6541990904d" "check" "--frozen" "--all" "--all-targets"`
[INFO] [stderr] WARNING: Your kernel does not support swap limit capabilities or the cgroup is not mounted. Memory limited without swap.
[INFO] [stdout] bc86f166e418949970cf3e5ef73a0ed433a1d8896ed7bf3a204bce6a640bd74a
[INFO] running `"docker" "start" "-a" "bc86f166e418949970cf3e5ef73a0ed433a1d8896ed7bf3a204bce6a640bd74a"`
[INFO] [stderr]     Checking demixer v0.5.1 (/opt/rustwide/workdir)
[INFO] [stderr] error[E0308]: mismatched types
[INFO] [stderr]    --> src/history/tree.rs:100:38
[INFO] [stderr]     |
[INFO] [stderr] 100 |             Direction::Left => &self[0],
[INFO] [stderr]     |                                      ^ expected enum `history::tree::Direction`, found integer
[INFO] [stderr] 
[INFO] [stderr] error[E0308]: mismatched types
[INFO] [stderr]    --> src/history/tree.rs:101:39
[INFO] [stderr]     |
[INFO] [stderr] 101 |             Direction::Right => &self[1],
[INFO] [stderr]     |                                       ^ expected enum `history::tree::Direction`, found integer
[INFO] [stderr] 
[INFO] [stderr] error[E0308]: mismatched types
[INFO] [stderr]    --> src/history/tree.rs:109:42
[INFO] [stderr]     |
[INFO] [stderr] 109 |             Direction::Left => &mut self[0],
[INFO] [stderr]     |                                          ^ expected enum `history::tree::Direction`, found integer
[INFO] [stderr] 
[INFO] [stderr] error[E0308]: mismatched types
[INFO] [stderr]    --> src/history/tree.rs:110:43
[INFO] [stderr]     |
[INFO] [stderr] 110 |             Direction::Right => &mut self[1],
[INFO] [stderr]     |                                           ^ expected enum `history::tree::Direction`, found integer
[INFO] [stderr] 
[INFO] [stderr] error[E0308]: mismatched types
[INFO] [stderr]    --> src/history/tree.rs:953:23
[INFO] [stderr]     |
[INFO] [stderr] 953 |         self.children[0] != NodeChild::INVALID &&
[INFO] [stderr]     |                       ^ expected enum `history::tree::Direction`, found integer
[INFO] [stderr] 
[INFO] [stderr] error[E0308]: mismatched types
[INFO] [stderr]    --> src/history/tree.rs:100:38
[INFO] [stderr]     |
[INFO] [stderr] 100 |             Direction::Left => &self[0],
[INFO] [stderr]     |                                      ^ expected enum `history::tree::Direction`, found integer
[INFO] [stderr] 
[INFO] [stderr] error[E0308]: mismatched types
[INFO] [stderr]    --> src/history/tree.rs:954:27
[INFO] [stderr]     |
[INFO] [stderr] 954 |             self.children[1] != NodeChild::INVALID
[INFO] [stderr]     |                           ^ expected enum `history::tree::Direction`, found integer
[INFO] [stderr] 
[INFO] [stderr] error[E0308]: mismatched types
[INFO] [stderr]    --> src/history/tree.rs:101:39
[INFO] [stderr]     |
[INFO] [stderr] 101 |             Direction::Right => &self[1],
[INFO] [stderr]     |                                       ^ expected enum `history::tree::Direction`, found integer
[INFO] [stderr] 
[INFO] [stderr] error: aborting due to 6 previous errors
[INFO] [stderr] 
[INFO] [stderr] For more information about this error, try `rustc --explain E0308`.
[INFO] [stderr] error: could not compile `demixer`.
[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[E0308]: mismatched types
[INFO] [stderr]    --> src/history/tree.rs:109:42
[INFO] [stderr]     |
[INFO] [stderr] 109 |             Direction::Left => &mut self[0],
[INFO] [stderr]     |                                          ^ expected enum `history::tree::Direction`, found integer
[INFO] [stderr] 
[INFO] [stderr] error[E0308]: mismatched types
[INFO] [stderr]    --> src/history/tree.rs:110:43
[INFO] [stderr]     |
[INFO] [stderr] 110 |             Direction::Right => &mut self[1],
[INFO] [stderr]     |                                           ^ expected enum `history::tree::Direction`, found integer
[INFO] [stderr] 
[INFO] [stderr] error[E0308]: mismatched types
[INFO] [stderr]    --> src/history/tree.rs:953:23
[INFO] [stderr]     |
[INFO] [stderr] 953 |         self.children[0] != NodeChild::INVALID &&
[INFO] [stderr]     |                       ^ expected enum `history::tree::Direction`, found integer
[INFO] [stderr] 
[INFO] [stderr] error[E0308]: mismatched types
[INFO] [stderr]    --> src/history/tree.rs:954:27
[INFO] [stderr]     |
[INFO] [stderr] 954 |             self.children[1] != NodeChild::INVALID
[INFO] [stderr]     |                           ^ expected enum `history::tree::Direction`, found integer
[INFO] [stderr] 
[INFO] [stderr] error: aborting due to 6 previous errors
[INFO] [stderr] 
[INFO] [stderr] For more information about this error, try `rustc --explain E0308`.
[INFO] [stderr] error: could not compile `demixer`.
[INFO] [stderr] 
[INFO] [stderr] To learn more, run the command again with --verbose.
[INFO] running `"docker" "inspect" "bc86f166e418949970cf3e5ef73a0ed433a1d8896ed7bf3a204bce6a640bd74a"`
[INFO] running `"docker" "rm" "-f" "bc86f166e418949970cf3e5ef73a0ed433a1d8896ed7bf3a204bce6a640bd74a"`
[INFO] [stdout] bc86f166e418949970cf3e5ef73a0ed433a1d8896ed7bf3a204bce6a640bd74a