[INFO] cloning repository https://github.com/johannpeterson/rust-amplicons
[INFO] running `Command { std: "git" "-c" "credential.helper=" "-c" "credential.helper=/workspace/cargo-home/bin/git-credential-null" "clone" "--bare" "https://github.com/johannpeterson/rust-amplicons" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fjohannpeterson%2Frust-amplicons", kill_on_drop: false }`
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[INFO] running `Command { std: "git" "rev-parse" "HEAD", kill_on_drop: false }`
[INFO] [stdout] fc0ae83adffea1eb10419370f9fe9eb2b3617b28
[INFO] checking johannpeterson/rust-amplicons against try#c9557a20e5ef2e0e02c29a5fafd850d1b7cf1e4f for 2025-12-16-next-solver-global
[INFO] running `Command { std: "git" "clone" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fjohannpeterson%2Frust-amplicons" "/workspace/builds/worker-1-tc2/source", kill_on_drop: false }`
[INFO] [stderr] Cloning into '/workspace/builds/worker-1-tc2/source'...
[INFO] [stderr] done.
[INFO] started tweaking git repo https://github.com/johannpeterson/rust-amplicons
[INFO] finished tweaking git repo https://github.com/johannpeterson/rust-amplicons
[INFO] tweaked toml for git repo https://github.com/johannpeterson/rust-amplicons written to /workspace/builds/worker-1-tc2/source/Cargo.toml
[INFO] validating manifest of git repo https://github.com/johannpeterson/rust-amplicons on toolchain c9557a20e5ef2e0e02c29a5fafd850d1b7cf1e4f
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+c9557a20e5ef2e0e02c29a5fafd850d1b7cf1e4f" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }`
[INFO] crate git repo https://github.com/johannpeterson/rust-amplicons 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" "+c9557a20e5ef2e0e02c29a5fafd850d1b7cf1e4f" "fetch" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
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[INFO] [stdout] 7b82ba714a611a86b7741ba01bcbb74c98a6d3d42f80748a971195d38a1e737d
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[INFO] [stderr]     Checking myfq v0.1.0 (/opt/rustwide/workdir)
[INFO] [stdout] warning: field `is_control` is never read
[INFO] [stdout]  --> src/lib.rs:9:9
[INFO] [stdout]   |
[INFO] [stdout] 7 |     pub struct SampleData {
[INFO] [stdout]   |                ---------- field in this struct
[INFO] [stdout] 8 |         name: String,
[INFO] [stdout] 9 |         is_control: bool,
[INFO] [stdout]   |         ^^^^^^^^^^
[INFO] [stdout]   |
[INFO] [stdout]   = note: `#[warn(dead_code)]` (part of `#[warn(unused)]`) on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `samples_table`
[INFO] [stdout]   --> src/main.rs:32:9
[INFO] [stdout]    |
[INFO] [stdout] 32 |     let samples_table = read_wide_table(samples_file).expect("Unable to read samples table.");
[INFO] [stdout]    |         ^^^^^^^^^^^^^ help: if this is intentional, prefix it with an underscore: `_samples_table`
[INFO] [stdout]    |
[INFO] [stdout]    = note: `#[warn(unused_variables)]` (part of `#[warn(unused)]`) on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `match_string`
[INFO] [stdout]   --> src/main.rs:82:13
[INFO] [stdout]    |
[INFO] [stdout] 82 |         let match_string: String = matches
[INFO] [stdout]    |             ^^^^^^^^^^^^ help: if this is intentional, prefix it with an underscore: `_match_string`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: value assigned to `primers_string` is never read
[INFO] [stdout]   --> src/main.rs:70:34
[INFO] [stdout]    |
[INFO] [stdout] 70 |         let mut primers_string = "".to_string();
[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: variable does not need to be mutable
[INFO] [stdout]   --> tests/tests.rs:13:9
[INFO] [stdout]    |
[INFO] [stdout] 13 |     let mut samples_file = Box::new(BufReader::new(
[INFO] [stdout]    |         ----^^^^^^^^^^^^
[INFO] [stdout]    |         |
[INFO] [stdout]    |         help: remove this `mut`
[INFO] [stdout]    |
[INFO] [stdout]    = note: `#[warn(unused_mut)]` (part of `#[warn(unused)]`) on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: variable does not need to be mutable
[INFO] [stdout]   --> tests/tests.rs:26:9
[INFO] [stdout]    |
[INFO] [stdout] 26 |     let mut samples_file = Box::new(BufReader::new(
[INFO] [stdout]    |         ----^^^^^^^^^^^^
[INFO] [stdout]    |         |
[INFO] [stdout]    |         help: remove this `mut`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `samples_table`
[INFO] [stdout]   --> src/main.rs:32:9
[INFO] [stdout]    |
[INFO] [stdout] 32 |     let samples_table = read_wide_table(samples_file).expect("Unable to read samples table.");
[INFO] [stdout]    |         ^^^^^^^^^^^^^ help: if this is intentional, prefix it with an underscore: `_samples_table`
[INFO] [stdout]    |
[INFO] [stdout]    = note: `#[warn(unused_variables)]` (part of `#[warn(unused)]`) on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `match_string`
[INFO] [stdout]   --> src/main.rs:82:13
[INFO] [stdout]    |
[INFO] [stdout] 82 |         let match_string: String = matches
[INFO] [stdout]    |             ^^^^^^^^^^^^ help: if this is intentional, prefix it with an underscore: `_match_string`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: value assigned to `primers_string` is never read
[INFO] [stdout]   --> src/main.rs:70:34
[INFO] [stdout]    |
[INFO] [stdout] 70 |         let mut primers_string = "".to_string();
[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] error[E0599]: cannot write into `std::string::String`
[INFO] [stdout]    --> src/lib.rs:240:16
[INFO] [stdout]     |
[INFO] [stdout] 240 |         write!(s, "{}", t);
[INFO] [stdout]     |                ^
[INFO] [stdout]     |
[INFO] [stdout]    --> library/core/src/fmt/mod.rs:212:7
[INFO] [stdout]     |
[INFO] [stdout]     = note: the method is available for `std::string::String` here
[INFO] [stdout] note: must implement `io::Write`, `fmt::Write`, or have a `write_fmt` method
[INFO] [stdout]    --> src/lib.rs:240:16
[INFO] [stdout]     |
[INFO] [stdout] 240 |         write!(s, "{}", t);
[INFO] [stdout]     |                ^
[INFO] [stdout]     = help: items from traits can only be used if the trait is in scope
[INFO] [stdout] help: trait `Write` which provides `write_fmt` is implemented but not in scope; perhaps you want to import it
[INFO] [stdout]     |
[INFO] [stdout]   2 +     use std::fmt::Write;
[INFO] [stdout]     |
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error[E0599]: cannot write into `std::string::String`
[INFO] [stdout]    --> src/lib.rs:261:16
[INFO] [stdout]     |
[INFO] [stdout] 261 |         write!(s, "{:#}", t);
[INFO] [stdout]     |                ^
[INFO] [stdout]     |
[INFO] [stdout]    --> library/core/src/fmt/mod.rs:212:7
[INFO] [stdout]     |
[INFO] [stdout]     = note: the method is available for `std::string::String` here
[INFO] [stdout] note: must implement `io::Write`, `fmt::Write`, or have a `write_fmt` method
[INFO] [stdout]    --> src/lib.rs:261:16
[INFO] [stdout]     |
[INFO] [stdout] 261 |         write!(s, "{:#}", t);
[INFO] [stdout]     |                ^
[INFO] [stdout]     = help: items from traits can only be used if the trait is in scope
[INFO] [stdout] help: trait `Write` which provides `write_fmt` is implemented but not in scope; perhaps you want to import it
[INFO] [stdout]     |
[INFO] [stdout]   2 +     use std::fmt::Write;
[INFO] [stdout]     |
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] For more information about this error, try `rustc --explain E0599`.
[INFO] [stdout] 
[INFO] [stderr] error: could not compile `myfq` (lib test) due to 2 previous errors
[INFO] running `Command { std: "docker" "inspect" "7b82ba714a611a86b7741ba01bcbb74c98a6d3d42f80748a971195d38a1e737d", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "7b82ba714a611a86b7741ba01bcbb74c98a6d3d42f80748a971195d38a1e737d", kill_on_drop: false }`
[INFO] [stdout] 7b82ba714a611a86b7741ba01bcbb74c98a6d3d42f80748a971195d38a1e737d
