[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#3e22d1f9053c0fc87629b3c6d5d9567856368e5d for pr-78714
[INFO] running `Command { std: "git" "clone" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2FCodingPower472%2Fbracket-generator" "/workspace/builds/worker-14/source", kill_on_drop: false }`
[INFO] [stderr] Cloning into '/workspace/builds/worker-14/source'...
[INFO] [stderr] done.
[INFO] validating manifest of git repo https://github.com/CodingPower472/bracket-generator on toolchain 3e22d1f9053c0fc87629b3c6d5d9567856368e5d
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+3e22d1f9053c0fc87629b3c6d5d9567856368e5d" "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-14/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" "+3e22d1f9053c0fc87629b3c6d5d9567856368e5d" "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-14/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-14/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" "+3e22d1f9053c0fc87629b3c6d5d9567856368e5d" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] f4c02b88e15033018d92f7c47faec83b5b45c3b0a7766ae61249eaeb2f4c1810
[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" "f4c02b88e15033018d92f7c47faec83b5b45c3b0a7766ae61249eaeb2f4c1810", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "f4c02b88e15033018d92f7c47faec83b5b45c3b0a7766ae61249eaeb2f4c1810", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "f4c02b88e15033018d92f7c47faec83b5b45c3b0a7766ae61249eaeb2f4c1810", kill_on_drop: false }`
[INFO] [stdout] f4c02b88e15033018d92f7c47faec83b5b45c3b0a7766ae61249eaeb2f4c1810
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-14/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-14/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" "+3e22d1f9053c0fc87629b3c6d5d9567856368e5d" "check" "--frozen" "--all" "--all-targets" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] 462ec90e731a264b54ba35b643552e8abdd9874989b1fb8ce073eb6276b42aac
[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" "462ec90e731a264b54ba35b643552e8abdd9874989b1fb8ce073eb6276b42aac", 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: 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: 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: 4 warnings emitted
[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] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 0.76s
[INFO] running `Command { std: "docker" "inspect" "462ec90e731a264b54ba35b643552e8abdd9874989b1fb8ce073eb6276b42aac", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "462ec90e731a264b54ba35b643552e8abdd9874989b1fb8ce073eb6276b42aac", kill_on_drop: false }`
[INFO] [stdout] 462ec90e731a264b54ba35b643552e8abdd9874989b1fb8ce073eb6276b42aac