[INFO] cloning repository https://github.com/CodingPower472/bracket-generator
[INFO] running `Command { std: "git" "-c" "credential.helper=" "-c" "credential.helper=/workspace/cargo-home/bin/git-credential-null" "clone" "--bare" "https://github.com/CodingPower472/bracket-generator" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2FCodingPower472%2Fbracket-generator", kill_on_drop: false }`
[INFO] [stderr] Cloning into bare repository '/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2FCodingPower472%2Fbracket-generator'...
[INFO] running `Command { std: "git" "rev-parse" "HEAD", kill_on_drop: false }`
[INFO] [stdout] 23627ea45e6c71c9f21155670512a21664e8b8ba
[INFO] checking CodingPower472/bracket-generator against try#6024cfef3a82f9a7688f07054f1650081bad3af5 for pr-74130
[INFO] running `Command { std: "git" "clone" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2FCodingPower472%2Fbracket-generator" "/workspace/builds/worker-7/source", kill_on_drop: false }`
[INFO] [stderr] Cloning into '/workspace/builds/worker-7/source'...
[INFO] [stderr] done.
[INFO] validating manifest of git repo https://github.com/CodingPower472/bracket-generator on toolchain 6024cfef3a82f9a7688f07054f1650081bad3af5
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+6024cfef3a82f9a7688f07054f1650081bad3af5" "read-manifest" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] started tweaking git repo https://github.com/CodingPower472/bracket-generator
[INFO] finished tweaking git repo https://github.com/CodingPower472/bracket-generator
[INFO] tweaked toml for git repo https://github.com/CodingPower472/bracket-generator written to /workspace/builds/worker-7/source/Cargo.toml
[INFO] crate git repo https://github.com/CodingPower472/bracket-generator already has a lockfile, it will not be regenerated
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+6024cfef3a82f9a7688f07054f1650081bad3af5" "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-7/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-7/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@sha256:819119df93c0f5eca3f29186f14981ef29945a311854d7222af07488600a2584" "/opt/rustwide/cargo-home/bin/cargo" "+6024cfef3a82f9a7688f07054f1650081bad3af5" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] 967bd1d2becc6717c9cb85e69f5fa14e356708a4871d0c2cfb0e530028f5c084
[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" "967bd1d2becc6717c9cb85e69f5fa14e356708a4871d0c2cfb0e530028f5c084", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "967bd1d2becc6717c9cb85e69f5fa14e356708a4871d0c2cfb0e530028f5c084", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "967bd1d2becc6717c9cb85e69f5fa14e356708a4871d0c2cfb0e530028f5c084", kill_on_drop: false }`
[INFO] [stdout] 967bd1d2becc6717c9cb85e69f5fa14e356708a4871d0c2cfb0e530028f5c084
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-7/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-7/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@sha256:819119df93c0f5eca3f29186f14981ef29945a311854d7222af07488600a2584" "/opt/rustwide/cargo-home/bin/cargo" "+6024cfef3a82f9a7688f07054f1650081bad3af5" "check" "--frozen" "--all" "--all-targets" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] 53988032642bd1779300d49d0f451a4c8cc914b9a7382a0b884298989c04d1c3
[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" "53988032642bd1779300d49d0f451a4c8cc914b9a7382a0b884298989c04d1c3", kill_on_drop: false }`
[INFO] [stderr]     Checking bracket-generator v0.1.0 (/opt/rustwide/workdir)
[INFO] [stdout] warning: unused imports: `Match`, `Team`, `fill_byes`
[INFO] [stdout]  --> src/main.rs:4:25
[INFO] [stdout]   |
[INFO] [stdout] 4 | use bracket_generator::{Team, Match, fill_byes, x_elim};
[INFO] [stdout]   |                         ^^^^  ^^^^^  ^^^^^^^^^
[INFO] [stdout]   |
[INFO] [stdout]   = note: `#[warn(unused_imports)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused imports: `Match`, `Team`, `fill_byes`
[INFO] [stdout]  --> src/main.rs:4:25
[INFO] [stdout]   |
[INFO] [stdout] 4 | use bracket_generator::{Team, Match, fill_byes, x_elim};
[INFO] [stdout]   |                         ^^^^  ^^^^^  ^^^^^^^^^
[INFO] [stdout]   |
[INFO] [stdout]   = note: `#[warn(unused_imports)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unreachable pattern
[INFO] [stdout]   --> src/bracket_generator.rs:87:13
[INFO] [stdout]    |
[INFO] [stdout] 87 |             (Team::Bye, Team::Bye) => (None, None),
[INFO] [stdout]    |             ^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout]    |
[INFO] [stdout]    = note: `#[warn(unreachable_patterns)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `finalists`
[INFO] [stdout]  --> src/main.rs:9:19
[INFO] [stdout]   |
[INFO] [stdout] 9 |     let (dblelim, finalists, match_num) = x_elim(list, 2, true);
[INFO] [stdout]   |                   ^^^^^^^^^ help: if this is intentional, prefix it with an underscore: `_finalists`
[INFO] [stdout]   |
[INFO] [stdout]   = note: `#[warn(unused_variables)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `match_num`
[INFO] [stdout]  --> src/main.rs:9:30
[INFO] [stdout]   |
[INFO] [stdout] 9 |     let (dblelim, finalists, match_num) = x_elim(list, 2, true);
[INFO] [stdout]   |                              ^^^^^^^^^ help: if this is intentional, prefix it with an underscore: `_match_num`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unreachable pattern
[INFO] [stdout]   --> src/bracket_generator.rs:87:13
[INFO] [stdout]    |
[INFO] [stdout] 87 |             (Team::Bye, Team::Bye) => (None, None),
[INFO] [stdout]    |             ^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout]    |
[INFO] [stdout]    = note: `#[warn(unreachable_patterns)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `finalists`
[INFO] [stdout]  --> src/main.rs:9:19
[INFO] [stdout]   |
[INFO] [stdout] 9 |     let (dblelim, finalists, match_num) = x_elim(list, 2, true);
[INFO] [stdout]   |                   ^^^^^^^^^ help: if this is intentional, prefix it with an underscore: `_finalists`
[INFO] [stdout]   |
[INFO] [stdout]   = note: `#[warn(unused_variables)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `match_num`
[INFO] [stdout]  --> src/main.rs:9:30
[INFO] [stdout]   |
[INFO] [stdout] 9 |     let (dblelim, finalists, match_num) = x_elim(list, 2, true);
[INFO] [stdout]   |                              ^^^^^^^^^ help: if this is intentional, prefix it with an underscore: `_match_num`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: 4 warnings emitted
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: 4 warnings emitted
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 0.36s
[INFO] running `Command { std: "docker" "inspect" "53988032642bd1779300d49d0f451a4c8cc914b9a7382a0b884298989c04d1c3", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "53988032642bd1779300d49d0f451a4c8cc914b9a7382a0b884298989c04d1c3", kill_on_drop: false }`
[INFO] [stdout] 53988032642bd1779300d49d0f451a4c8cc914b9a7382a0b884298989c04d1c3