[INFO] cloning repository https://github.com/tarsa/demixer
[INFO] running `Command { std: "git" "-c" "credential.helper=" "-c" "credential.helper=/workspace/cargo-home/bin/git-credential-null" "clone" "--bare" "https://github.com/tarsa/demixer" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Ftarsa%2Fdemixer", kill_on_drop: false }`
[INFO] [stderr] Cloning into bare repository '/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Ftarsa%2Fdemixer'...
[INFO] running `Command { std: "git" "rev-parse" "HEAD", kill_on_drop: false }`
[INFO] [stdout] 478967c7dee10e53375739bbb4de19406dbb4519
[INFO] checking tarsa/demixer against try#f6e2f78768c57172b99c3e85892f867894dc7e30 for pr-75502
[INFO] running `Command { std: "git" "clone" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Ftarsa%2Fdemixer" "/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/tarsa/demixer on toolchain f6e2f78768c57172b99c3e85892f867894dc7e30
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+f6e2f78768c57172b99c3e85892f867894dc7e30" "read-manifest" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[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-4/source/Cargo.toml
[INFO] crate git repo https://github.com/tarsa/demixer already has a lockfile, it will not be regenerated
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+f6e2f78768c57172b99c3e85892f867894dc7e30" "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:a636fd89d022f18117e1dc8fb37a0a009933cdbbe082814857f0e2024962d47c" "/opt/rustwide/cargo-home/bin/cargo" "+f6e2f78768c57172b99c3e85892f867894dc7e30" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] 944b5bb5f1ffd46bd2c0fb3c634687bc547cacf5b1fbe045bb2a1797442b7eee
[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" "944b5bb5f1ffd46bd2c0fb3c634687bc547cacf5b1fbe045bb2a1797442b7eee", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "944b5bb5f1ffd46bd2c0fb3c634687bc547cacf5b1fbe045bb2a1797442b7eee", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "944b5bb5f1ffd46bd2c0fb3c634687bc547cacf5b1fbe045bb2a1797442b7eee", kill_on_drop: false }`
[INFO] [stdout] 944b5bb5f1ffd46bd2c0fb3c634687bc547cacf5b1fbe045bb2a1797442b7eee
[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=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:a636fd89d022f18117e1dc8fb37a0a009933cdbbe082814857f0e2024962d47c" "/opt/rustwide/cargo-home/bin/cargo" "+f6e2f78768c57172b99c3e85892f867894dc7e30" "check" "--frozen" "--all" "--all-targets" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] edb6a03441dfbba3dce8d693e7628c9f91715e3a5abced833684b6c9895be2ac
[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" "edb6a03441dfbba3dce8d693e7628c9f91715e3a5abced833684b6c9895be2ac", kill_on_drop: false }`
[INFO] [stderr]     Checking demixer v0.5.1 (/opt/rustwide/workdir)
[INFO] [stdout] error[E0308]: mismatched types
[INFO] [stdout]    --> src/history/tree.rs:100:38
[INFO] [stdout]     |
[INFO] [stdout] 100 |             Direction::Left => &self[0],
[INFO] [stdout]     |                                      ^ expected enum `history::tree::Direction`, found integer
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error[E0308]: mismatched types
[INFO] [stdout]    --> src/history/tree.rs:101:39
[INFO] [stdout]     |
[INFO] [stdout] 101 |             Direction::Right => &self[1],
[INFO] [stdout]     |                                       ^ expected enum `history::tree::Direction`, found integer
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error[E0308]: mismatched types
[INFO] [stdout]    --> src/history/tree.rs:109:42
[INFO] [stdout]     |
[INFO] [stdout] 109 |             Direction::Left => &mut self[0],
[INFO] [stdout]     |                                          ^ expected enum `history::tree::Direction`, found integer
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error[E0308]: mismatched types
[INFO] [stdout]    --> src/history/tree.rs:110:43
[INFO] [stdout]     |
[INFO] [stdout] 110 |             Direction::Right => &mut self[1],
[INFO] [stdout]     |                                           ^ expected enum `history::tree::Direction`, found integer
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error[E0308]: mismatched types
[INFO] [stdout]    --> src/history/tree.rs:100:38
[INFO] [stdout]     |
[INFO] [stdout] 100 |             Direction::Left => &self[0],
[INFO] [stdout]     |                                      ^ expected enum `history::tree::Direction`, found integer
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error[E0308]: mismatched types
[INFO] [stdout]    --> src/history/tree.rs:101:39
[INFO] [stdout]     |
[INFO] [stdout] 101 |             Direction::Right => &self[1],
[INFO] [stdout]     |                                       ^ expected enum `history::tree::Direction`, found integer
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error[E0308]: mismatched types
[INFO] [stdout]    --> src/history/tree.rs:109:42
[INFO] [stdout]     |
[INFO] [stdout] 109 |             Direction::Left => &mut self[0],
[INFO] [stdout]     |                                          ^ expected enum `history::tree::Direction`, found integer
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error[E0308]: mismatched types
[INFO] [stdout]    --> src/history/tree.rs:953:23
[INFO] [stdout]     |
[INFO] [stdout] 953 |         self.children[0] != NodeChild::INVALID &&
[INFO] [stdout]     |                       ^ expected enum `history::tree::Direction`, found integer
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error[E0308]: mismatched types
[INFO] [stdout]    --> src/history/tree.rs:954:27
[INFO] [stdout]     |
[INFO] [stdout] 954 |             self.children[1] != NodeChild::INVALID
[INFO] [stdout]     |                           ^ expected enum `history::tree::Direction`, found integer
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error[E0308]: mismatched types
[INFO] [stdout]    --> src/history/tree.rs:110:43
[INFO] [stdout]     |
[INFO] [stdout] 110 |             Direction::Right => &mut self[1],
[INFO] [stdout]     |                                           ^ expected enum `history::tree::Direction`, found integer
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error: aborting due to 6 previous errors
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] For more information about this error, try `rustc --explain E0308`.
[INFO] [stdout] 
[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] [stdout] error[E0308]: mismatched types
[INFO] [stdout]    --> src/history/tree.rs:953:23
[INFO] [stdout]     |
[INFO] [stdout] 953 |         self.children[0] != NodeChild::INVALID &&
[INFO] [stdout]     |                       ^ expected enum `history::tree::Direction`, found integer
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error[E0308]: mismatched types
[INFO] [stdout]    --> src/history/tree.rs:954:27
[INFO] [stdout]     |
[INFO] [stdout] 954 |             self.children[1] != NodeChild::INVALID
[INFO] [stdout]     |                           ^ expected enum `history::tree::Direction`, found integer
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error: aborting due to 6 previous errors
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] For more information about this error, try `rustc --explain E0308`.
[INFO] [stdout] 
[INFO] [stderr] error: build failed
[INFO] running `Command { std: "docker" "inspect" "edb6a03441dfbba3dce8d693e7628c9f91715e3a5abced833684b6c9895be2ac", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "edb6a03441dfbba3dce8d693e7628c9f91715e3a5abced833684b6c9895be2ac", kill_on_drop: false }`
[INFO] [stdout] edb6a03441dfbba3dce8d693e7628c9f91715e3a5abced833684b6c9895be2ac