[INFO] cloning repository https://github.com/John-A-McMahon/Based-Design-Theory
[INFO] running `Command { std: "git" "-c" "credential.helper=" "-c" "credential.helper=/workspace/cargo-home/bin/git-credential-null" "clone" "--bare" "https://github.com/John-A-McMahon/Based-Design-Theory" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2FJohn-A-McMahon%2FBased-Design-Theory", kill_on_drop: false }`
[INFO] [stderr] Cloning into bare repository '/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2FJohn-A-McMahon%2FBased-Design-Theory'...
[INFO] running `Command { std: "git" "rev-parse" "HEAD", kill_on_drop: false }`
[INFO] [stdout] 50ab983027962a494e6294e9249f81014c86ac10
[INFO] checking John-A-McMahon/Based-Design-Theory against try#f93f9bd1edfdb032bbf1c02773329541b22aa5a7 for pr-150727-1
[INFO] running `Command { std: "git" "clone" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2FJohn-A-McMahon%2FBased-Design-Theory" "/workspace/builds/worker-0-tc2/source", kill_on_drop: false }`
[INFO] [stderr] Cloning into '/workspace/builds/worker-0-tc2/source'...
[INFO] [stderr] done.
[INFO] started tweaking git repo https://github.com/John-A-McMahon/Based-Design-Theory
[INFO] finished tweaking git repo https://github.com/John-A-McMahon/Based-Design-Theory
[INFO] tweaked toml for git repo https://github.com/John-A-McMahon/Based-Design-Theory written to /workspace/builds/worker-0-tc2/source/Cargo.toml
[INFO] validating manifest of git repo https://github.com/John-A-McMahon/Based-Design-Theory on toolchain f93f9bd1edfdb032bbf1c02773329541b22aa5a7
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+f93f9bd1edfdb032bbf1c02773329541b22aa5a7" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }`
[INFO] crate git repo https://github.com/John-A-McMahon/Based-Design-Theory already has a lockfile, it will not be regenerated
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+f93f9bd1edfdb032bbf1c02773329541b22aa5a7" "fetch" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-0-tc2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-0-tc2/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" "ghcr.io/rust-lang/crates-build-env/linux@sha256:98afbf2d16093dec2546ff8915fddc74e65664aa03fc460b3712b1c2c54a33e4" "/opt/rustwide/cargo-home/bin/cargo" "+f93f9bd1edfdb032bbf1c02773329541b22aa5a7" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] ccbe0cdc0323e9336541ee1e7bd78286429a8ed099f95d5d12dae53534a67514
[INFO] running `Command { std: "docker" "start" "-a" "ccbe0cdc0323e9336541ee1e7bd78286429a8ed099f95d5d12dae53534a67514", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "ccbe0cdc0323e9336541ee1e7bd78286429a8ed099f95d5d12dae53534a67514", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "ccbe0cdc0323e9336541ee1e7bd78286429a8ed099f95d5d12dae53534a67514", kill_on_drop: false }`
[INFO] [stdout] ccbe0cdc0323e9336541ee1e7bd78286429a8ed099f95d5d12dae53534a67514
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-0-tc2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-0-tc2/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" "RUSTDOCFLAGS=--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" "ghcr.io/rust-lang/crates-build-env/linux@sha256:98afbf2d16093dec2546ff8915fddc74e65664aa03fc460b3712b1c2c54a33e4" "/opt/rustwide/cargo-home/bin/cargo" "+f93f9bd1edfdb032bbf1c02773329541b22aa5a7" "check" "--frozen" "--all" "--all-targets" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] 1fae7af8e34d0aa2065e45cfda2d3799ddccf016f7c4465e5322727d17e2a8ab
[INFO] running `Command { std: "docker" "start" "-a" "1fae7af8e34d0aa2065e45cfda2d3799ddccf016f7c4465e5322727d17e2a8ab", kill_on_drop: false }`
[INFO] [stderr]     Checking either v1.15.0
[INFO] [stderr]     Checking itertools v0.14.0
[INFO] [stderr]     Checking Based-Design-Theory v0.1.0 (/opt/rustwide/workdir)
[INFO] [stdout] error: `#[should_panic]` should only be applied to functions annotated with `#[test]` or `#[bench]`
[INFO] [stdout]    --> src/main.rs:272:1
[INFO] [stdout]     |
[INFO] [stdout] 272 | #[should_panic]
[INFO] [stdout]     | ^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error: `#[should_panic]` should only be applied to functions annotated with `#[test]` or `#[bench]`
[INFO] [stdout]    --> src/main.rs:272:1
[INFO] [stdout]     |
[INFO] [stdout] 272 | #[should_panic]
[INFO] [stdout]     | ^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `rows`
[INFO] [stdout]  --> src/latin_square.rs:9:13
[INFO] [stdout]   |
[INFO] [stdout] 9 |         let rows = square.clone();
[INFO] [stdout]   |             ^^^^ help: if this is intentional, prefix it with an underscore: `_rows`
[INFO] [stdout]   |
[INFO] [stdout]   = note: `#[warn(unused_variables)]` (part of `#[warn(unused)]`) on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `orig_seed`
[INFO] [stdout]   --> src/speedy_strong.rs:94:9
[INFO] [stdout]    |
[INFO] [stdout] 94 |     let orig_seed = nth;
[INFO] [stdout]    |         ^^^^^^^^^ help: if this is intentional, prefix it with an underscore: `_orig_seed`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: variable `num_valid` is assigned to, but never used
[INFO] [stdout]    --> src/speedy_strong.rs:207:9
[INFO] [stdout]     |
[INFO] [stdout] 207 |     let mut num_valid = 0;
[INFO] [stdout]     |         ^^^^^^^^^^^^^
[INFO] [stdout]     |
[INFO] [stdout]     = note: consider using `_num_valid` instead
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: value assigned to `num_valid` is never read
[INFO] [stdout]    --> src/speedy_strong.rs:268:17
[INFO] [stdout]     |
[INFO] [stdout] 268 |                 num_valid += 1;
[INFO] [stdout]     |                 ^^^^^^^^^^^^^^
[INFO] [stdout]     |
[INFO] [stdout]     = help: maybe it is overwritten before being read?
[INFO] [stdout]     = note: `#[warn(unused_assignments)]` (part of `#[warn(unused)]`) on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr] error: could not compile `Based-Design-Theory` (bin "Based-Design-Theory") due to 1 previous error; 4 warnings emitted
[INFO] [stderr] warning: build failed, waiting for other jobs to finish...
[INFO] [stdout] warning: unused variable: `rows`
[INFO] [stdout]  --> src/latin_square.rs:9:13
[INFO] [stdout]   |
[INFO] [stdout] 9 |         let rows = square.clone();
[INFO] [stdout]   |             ^^^^ help: if this is intentional, prefix it with an underscore: `_rows`
[INFO] [stdout]   |
[INFO] [stdout]   = note: `#[warn(unused_variables)]` (part of `#[warn(unused)]`) on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `orig_seed`
[INFO] [stdout]   --> src/speedy_strong.rs:94:9
[INFO] [stdout]    |
[INFO] [stdout] 94 |     let orig_seed = nth;
[INFO] [stdout]    |         ^^^^^^^^^ help: if this is intentional, prefix it with an underscore: `_orig_seed`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: variable `num_valid` is assigned to, but never used
[INFO] [stdout]    --> src/speedy_strong.rs:207:9
[INFO] [stdout]     |
[INFO] [stdout] 207 |     let mut num_valid = 0;
[INFO] [stdout]     |         ^^^^^^^^^^^^^
[INFO] [stdout]     |
[INFO] [stdout]     = note: consider using `_num_valid` instead
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: value assigned to `num_valid` is never read
[INFO] [stdout]    --> src/speedy_strong.rs:268:17
[INFO] [stdout]     |
[INFO] [stdout] 268 |                 num_valid += 1;
[INFO] [stdout]     |                 ^^^^^^^^^^^^^^
[INFO] [stdout]     |
[INFO] [stdout]     = help: maybe it is overwritten before being read?
[INFO] [stdout]     = note: `#[warn(unused_assignments)]` (part of `#[warn(unused)]`) on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `strong_starter`
[INFO] [stdout]    --> src/main.rs:163:9
[INFO] [stdout]     |
[INFO] [stdout] 163 |     let strong_starter = speedy_strong::create(n, 0);
[INFO] [stdout]     |         ^^^^^^^^^^^^^^ help: if this is intentional, prefix it with an underscore: `_strong_starter`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `strong_starter`
[INFO] [stdout]    --> src/main.rs:175:9
[INFO] [stdout]     |
[INFO] [stdout] 175 |     let strong_starter = starter::Starter::new_strong(n, 0);
[INFO] [stdout]     |         ^^^^^^^^^^^^^^ help: if this is intentional, prefix it with an underscore: `_strong_starter`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `count`
[INFO] [stdout]    --> src/main.rs:302:9
[INFO] [stdout]     |
[INFO] [stdout] 302 |     let count = (n * (n - 1)) / 6;
[INFO] [stdout]     |         ^^^^^ help: if this is intentional, prefix it with an underscore: `_count`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `a`
[INFO] [stdout]    --> src/main.rs:317:17
[INFO] [stdout]     |
[INFO] [stdout] 317 |             let a = match block.0 .0 {
[INFO] [stdout]     |                 ^ help: if this is intentional, prefix it with an underscore: `_a`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `b`
[INFO] [stdout]    --> src/main.rs:323:17
[INFO] [stdout]     |
[INFO] [stdout] 323 |             let b = match block.0 .0 {
[INFO] [stdout]     |                 ^ help: if this is intentional, prefix it with an underscore: `_b`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `a`
[INFO] [stdout]    --> src/main.rs:341:13
[INFO] [stdout]     |
[INFO] [stdout] 341 |         let a = match x.0 {
[INFO] [stdout]     |             ^ help: if this is intentional, prefix it with an underscore: `_a`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `b`
[INFO] [stdout]    --> src/main.rs:372:13
[INFO] [stdout]     |
[INFO] [stdout] 372 |         let b = match x.1 {
[INFO] [stdout]     |             ^ help: if this is intentional, prefix it with an underscore: `_b`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr] error: could not compile `Based-Design-Theory` (bin "Based-Design-Theory" test) due to 1 previous error; 11 warnings emitted
[INFO] running `Command { std: "docker" "inspect" "1fae7af8e34d0aa2065e45cfda2d3799ddccf016f7c4465e5322727d17e2a8ab", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "1fae7af8e34d0aa2065e45cfda2d3799ddccf016f7c4465e5322727d17e2a8ab", kill_on_drop: false }`
[INFO] [stdout] 1fae7af8e34d0aa2065e45cfda2d3799ddccf016f7c4465e5322727d17e2a8ab