[INFO] fetching crate mermer-rs 0.1.0...
[INFO] testing mermer-rs-0.1.0 against try#bd7d74411512a3dd3b35d2f699c51dd2557c7e7e+cargoflags=-Zbuild-dir-new-layout for pr-149852-1
[INFO] extracting crate mermer-rs 0.1.0 into /workspace/builds/worker-6-tc2/source
[INFO] started tweaking crates.io crate mermer-rs 0.1.0
[INFO] finished tweaking crates.io crate mermer-rs 0.1.0
[INFO] tweaked toml for crates.io crate mermer-rs 0.1.0 written to /workspace/builds/worker-6-tc2/source/Cargo.toml
[INFO] validating manifest of crates.io crate mermer-rs 0.1.0 on toolchain bd7d74411512a3dd3b35d2f699c51dd2557c7e7e
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+bd7d74411512a3dd3b35d2f699c51dd2557c7e7e" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }`
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+bd7d74411512a3dd3b35d2f699c51dd2557c7e7e" "generate-lockfile" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] [stderr]     Blocking waiting for file lock on package cache
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+bd7d74411512a3dd3b35d2f699c51dd2557c7e7e" "fetch" "--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-6-tc2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-6-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:aa71247004a7fa38d13ec170f48f06cdedf5bc50b2a8645e56ed7e992e6fa513" "/opt/rustwide/cargo-home/bin/cargo" "+bd7d74411512a3dd3b35d2f699c51dd2557c7e7e" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] 59e7795243a47a19710fb9ed325ab3c26fc22b724313cd1179d5881a4cfc8195
[INFO] running `Command { std: "docker" "start" "-a" "59e7795243a47a19710fb9ed325ab3c26fc22b724313cd1179d5881a4cfc8195", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "59e7795243a47a19710fb9ed325ab3c26fc22b724313cd1179d5881a4cfc8195", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "59e7795243a47a19710fb9ed325ab3c26fc22b724313cd1179d5881a4cfc8195", kill_on_drop: false }`
[INFO] [stdout] 59e7795243a47a19710fb9ed325ab3c26fc22b724313cd1179d5881a4cfc8195
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-6-tc2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-6-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:aa71247004a7fa38d13ec170f48f06cdedf5bc50b2a8645e56ed7e992e6fa513" "/opt/rustwide/cargo-home/bin/cargo" "+bd7d74411512a3dd3b35d2f699c51dd2557c7e7e" "build" "--frozen" "--message-format=json" "-Zbuild-dir-new-layout", kill_on_drop: false }`
[INFO] [stdout] 06f6d8e4a793eb38543cc410f30f919fa66ca43b79789797b2a8354777cc946b
[INFO] running `Command { std: "docker" "start" "-a" "06f6d8e4a793eb38543cc410f30f919fa66ca43b79789797b2a8354777cc946b", kill_on_drop: false }`
[INFO] [stderr]    Compiling mermer-rs v0.1.0 (/opt/rustwide/workdir)
[INFO] [stdout] warning: unnecessary parentheses around assigned value
[INFO] [stdout]   --> src/lib.rs:45:27
[INFO] [stdout]    |
[INFO] [stdout] 45 | const TABLE_SIZE: usize = (1 << (2 * SCAN_WIDTH));
[INFO] [stdout]    |                           ^                     ^
[INFO] [stdout]    |
[INFO] [stdout]    = note: `#[warn(unused_parens)]` (part of `#[warn(unused)]`) on by default
[INFO] [stdout] help: remove these parentheses
[INFO] [stdout]    |
[INFO] [stdout] 45 - const TABLE_SIZE: usize = (1 << (2 * SCAN_WIDTH));
[INFO] [stdout] 45 + const TABLE_SIZE: usize = 1 << (2 * SCAN_WIDTH);
[INFO] [stdout]    |
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: fields `name`, `position`, and `size` are never read
[INFO] [stdout]   --> src/lib.rs:50:5
[INFO] [stdout]    |
[INFO] [stdout] 49 | pub struct Chromosome {
[INFO] [stdout]    |            ---------- fields in this struct
[INFO] [stdout] 50 |     name: String,
[INFO] [stdout]    |     ^^^^
[INFO] [stdout] 51 |     position: u64,
[INFO] [stdout]    |     ^^^^^^^^
[INFO] [stdout] 52 |     size: u64,
[INFO] [stdout]    |     ^^^^
[INFO] [stdout]    |
[INFO] [stdout]    = note: `Chromosome` has a derived impl for the trait `Debug`, but this is intentionally ignored during dead code analysis
[INFO] [stdout]    = note: `#[warn(dead_code)]` (part of `#[warn(unused)]`) on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: function `make_reverse_complement` is never used
[INFO] [stdout]    --> src/lib.rs:240:4
[INFO] [stdout]     |
[INFO] [stdout] 240 | fn make_reverse_complement(motif: &str) -> String {
[INFO] [stdout]     |    ^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr]     Finished `dev` profile [unoptimized + debuginfo] target(s) in 0.45s
[INFO] running `Command { std: "docker" "inspect" "06f6d8e4a793eb38543cc410f30f919fa66ca43b79789797b2a8354777cc946b", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "06f6d8e4a793eb38543cc410f30f919fa66ca43b79789797b2a8354777cc946b", kill_on_drop: false }`
[INFO] [stdout] 06f6d8e4a793eb38543cc410f30f919fa66ca43b79789797b2a8354777cc946b
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-6-tc2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-6-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:aa71247004a7fa38d13ec170f48f06cdedf5bc50b2a8645e56ed7e992e6fa513" "/opt/rustwide/cargo-home/bin/cargo" "+bd7d74411512a3dd3b35d2f699c51dd2557c7e7e" "test" "--frozen" "--no-run" "--message-format=json" "-Zbuild-dir-new-layout", kill_on_drop: false }`
[INFO] [stdout] 1f22b1ec918621fb36ba39e5a94d69eb5bfed4f7df0a2e8de3a0e1aee5f011f4
[INFO] running `Command { std: "docker" "start" "-a" "1f22b1ec918621fb36ba39e5a94d69eb5bfed4f7df0a2e8de3a0e1aee5f011f4", kill_on_drop: false }`
[INFO] [stdout] warning: unnecessary parentheses around assigned value
[INFO] [stdout]   --> src/lib.rs:45:27
[INFO] [stdout]    |
[INFO] [stdout] 45 | const TABLE_SIZE: usize = (1 << (2 * SCAN_WIDTH));
[INFO] [stdout]    |                           ^                     ^
[INFO] [stdout]    |
[INFO] [stdout]    = note: `#[warn(unused_parens)]` (part of `#[warn(unused)]`) on by default
[INFO] [stdout] help: remove these parentheses
[INFO] [stdout]    |
[INFO] [stdout] 45 - const TABLE_SIZE: usize = (1 << (2 * SCAN_WIDTH));
[INFO] [stdout] 45 + const TABLE_SIZE: usize = 1 << (2 * SCAN_WIDTH);
[INFO] [stdout]    |
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: fields `name`, `position`, and `size` are never read
[INFO] [stdout]   --> src/lib.rs:50:5
[INFO] [stdout]    |
[INFO] [stdout] 49 | pub struct Chromosome {
[INFO] [stdout]    |            ---------- fields in this struct
[INFO] [stdout] 50 |     name: String,
[INFO] [stdout]    |     ^^^^
[INFO] [stdout] 51 |     position: u64,
[INFO] [stdout]    |     ^^^^^^^^
[INFO] [stdout] 52 |     size: u64,
[INFO] [stdout]    |     ^^^^
[INFO] [stdout]    |
[INFO] [stdout]    = note: `Chromosome` has a derived impl for the trait `Debug`, but this is intentionally ignored during dead code analysis
[INFO] [stdout]    = note: `#[warn(dead_code)]` (part of `#[warn(unused)]`) on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: function `make_reverse_complement` is never used
[INFO] [stdout]    --> src/lib.rs:240:4
[INFO] [stdout]     |
[INFO] [stdout] 240 | fn make_reverse_complement(motif: &str) -> String {
[INFO] [stdout]     |    ^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr]    Compiling mermer-rs v0.1.0 (/opt/rustwide/workdir)
[INFO] [stdout] warning: unnecessary parentheses around assigned value
[INFO] [stdout]   --> src/lib.rs:45:27
[INFO] [stdout]    |
[INFO] [stdout] 45 | const TABLE_SIZE: usize = (1 << (2 * SCAN_WIDTH));
[INFO] [stdout]    |                           ^                     ^
[INFO] [stdout]    |
[INFO] [stdout]    = note: `#[warn(unused_parens)]` (part of `#[warn(unused)]`) on by default
[INFO] [stdout] help: remove these parentheses
[INFO] [stdout]    |
[INFO] [stdout] 45 - const TABLE_SIZE: usize = (1 << (2 * SCAN_WIDTH));
[INFO] [stdout] 45 + const TABLE_SIZE: usize = 1 << (2 * SCAN_WIDTH);
[INFO] [stdout]    |
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: fields `name`, `position`, and `size` are never read
[INFO] [stdout]   --> src/lib.rs:50:5
[INFO] [stdout]    |
[INFO] [stdout] 49 | pub struct Chromosome {
[INFO] [stdout]    |            ---------- fields in this struct
[INFO] [stdout] 50 |     name: String,
[INFO] [stdout]    |     ^^^^
[INFO] [stdout] 51 |     position: u64,
[INFO] [stdout]    |     ^^^^^^^^
[INFO] [stdout] 52 |     size: u64,
[INFO] [stdout]    |     ^^^^
[INFO] [stdout]    |
[INFO] [stdout]    = note: `Chromosome` has a derived impl for the trait `Debug`, but this is intentionally ignored during dead code analysis
[INFO] [stdout]    = note: `#[warn(dead_code)]` (part of `#[warn(unused)]`) on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: function `make_reverse_complement` is never used
[INFO] [stdout]    --> src/lib.rs:240:4
[INFO] [stdout]     |
[INFO] [stdout] 240 | fn make_reverse_complement(motif: &str) -> String {
[INFO] [stdout]     |    ^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr]     Finished `test` profile [unoptimized + debuginfo] target(s) in 0.45s
[INFO] running `Command { std: "docker" "inspect" "1f22b1ec918621fb36ba39e5a94d69eb5bfed4f7df0a2e8de3a0e1aee5f011f4", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "1f22b1ec918621fb36ba39e5a94d69eb5bfed4f7df0a2e8de3a0e1aee5f011f4", kill_on_drop: false }`
[INFO] [stdout] 1f22b1ec918621fb36ba39e5a94d69eb5bfed4f7df0a2e8de3a0e1aee5f011f4
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-6-tc2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-6-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:aa71247004a7fa38d13ec170f48f06cdedf5bc50b2a8645e56ed7e992e6fa513" "/opt/rustwide/cargo-home/bin/cargo" "+bd7d74411512a3dd3b35d2f699c51dd2557c7e7e" "test" "--frozen" "-Zbuild-dir-new-layout", kill_on_drop: false }`
[INFO] [stdout] 39296c6e6f8ca5803796e81e9517fd2a94f10281bfb7796a35ef635337872dc1
[INFO] running `Command { std: "docker" "start" "-a" "39296c6e6f8ca5803796e81e9517fd2a94f10281bfb7796a35ef635337872dc1", kill_on_drop: false }`
[INFO] [stderr] warning: unnecessary parentheses around assigned value
[INFO] [stderr]   --> src/lib.rs:45:27
[INFO] [stderr]    |
[INFO] [stderr] 45 | const TABLE_SIZE: usize = (1 << (2 * SCAN_WIDTH));
[INFO] [stderr]    |                           ^                     ^
[INFO] [stderr]    |
[INFO] [stderr]    = note: `#[warn(unused_parens)]` (part of `#[warn(unused)]`) on by default
[INFO] [stderr] help: remove these parentheses
[INFO] [stderr]    |
[INFO] [stderr] 45 - const TABLE_SIZE: usize = (1 << (2 * SCAN_WIDTH));
[INFO] [stderr] 45 + const TABLE_SIZE: usize = 1 << (2 * SCAN_WIDTH);
[INFO] [stderr]    |
[INFO] [stderr] 
[INFO] [stderr] warning: fields `name`, `position`, and `size` are never read
[INFO] [stderr]   --> src/lib.rs:50:5
[INFO] [stderr]    |
[INFO] [stderr] 49 | pub struct Chromosome {
[INFO] [stderr]    |            ---------- fields in this struct
[INFO] [stderr] 50 |     name: String,
[INFO] [stderr]    |     ^^^^
[INFO] [stderr] 51 |     position: u64,
[INFO] [stderr]    |     ^^^^^^^^
[INFO] [stderr] 52 |     size: u64,
[INFO] [stderr]    |     ^^^^
[INFO] [stderr]    |
[INFO] [stderr]    = note: `Chromosome` has a derived impl for the trait `Debug`, but this is intentionally ignored during dead code analysis
[INFO] [stderr]    = note: `#[warn(dead_code)]` (part of `#[warn(unused)]`) on by default
[INFO] [stderr] 
[INFO] [stderr] warning: function `make_reverse_complement` is never used
[INFO] [stderr]    --> src/lib.rs:240:4
[INFO] [stderr]     |
[INFO] [stderr] 240 | fn make_reverse_complement(motif: &str) -> String {
[INFO] [stderr]     |    ^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: `mermer-rs` (lib) generated 3 warnings (run `cargo fix --lib -p mermer-rs` to apply 1 suggestion)
[INFO] [stderr] warning: `mermer-rs` (lib test) generated 3 warnings (3 duplicates)
[INFO] [stderr]     Finished `test` profile [unoptimized + debuginfo] target(s) in 0.03s
[INFO] [stderr]      Running unittests src/lib.rs (/opt/rustwide/target/debug/build/mermer-rs/e931231a79298af2/deps/mermer_rs-e931231a79298af2)
[INFO] [stdout] 
[INFO] [stdout] running 1 test
[INFO] [stdout] test tests::test_substitute_char ... ok
[INFO] [stdout] 
[INFO] [stdout] test result: ok. 1 passed; 0 failed; 0 ignored; 0 measured; 0 filtered out; finished in 0.00s
[INFO] [stdout] 
[INFO] [stderr]    Doc-tests mermer_rs
[INFO] [stderr] warning: unnecessary parentheses around assigned value
[INFO] [stderr]   --> src/lib.rs:45:27
[INFO] [stderr]    |
[INFO] [stderr] 45 | const TABLE_SIZE: usize = (1 << (2 * SCAN_WIDTH));
[INFO] [stderr]    |                           ^                     ^
[INFO] [stderr]    |
[INFO] [stderr]    = note: `#[warn(unused_parens)]` (part of `#[warn(unused)]`) on by default
[INFO] [stderr] help: remove these parentheses
[INFO] [stderr]    |
[INFO] [stderr] 45 - const TABLE_SIZE: usize = (1 << (2 * SCAN_WIDTH));
[INFO] [stderr] 45 + const TABLE_SIZE: usize = 1 << (2 * SCAN_WIDTH);
[INFO] [stderr]    |
[INFO] [stderr] 
[INFO] [stderr] warning: 1 warning emitted
[INFO] [stderr] 
[INFO] [stdout] 
[INFO] [stdout] running 2 tests
[INFO] [stdout] test src/lib.rs - substitute_char (line 276) ... FAILED
[INFO] [stdout] test src/lib.rs - read_fasta (line 159) ... FAILED
[INFO] [stdout] 
[INFO] [stdout] failures:
[INFO] [stdout] 
[INFO] [stdout] ---- src/lib.rs - substitute_char (line 276) stdout ----
[INFO] [stdout] error[E0425]: cannot find function `substitute_char` in this scope
[INFO] [stdout]    --> src/lib.rs:277:20
[INFO] [stdout]     |
[INFO] [stdout] 277 | assert_eq!("CAAA", substitute_char("AAAA", 0, 'C'));
[INFO] [stdout]     |                    ^^^^^^^^^^^^^^^ not found in this scope
[INFO] [stdout] 
[INFO] [stdout] error[E0425]: cannot find function `substitute_char` in this scope
[INFO] [stdout]    --> src/lib.rs:278:20
[INFO] [stdout]     |
[INFO] [stdout] 278 | assert_eq!("AACA", substitute_char("AAAA", 2, 'C'));
[INFO] [stdout]     |                    ^^^^^^^^^^^^^^^ not found in this scope
[INFO] [stdout] 
[INFO] [stdout] error: aborting due to 2 previous errors
[INFO] [stdout] 
[INFO] [stdout] For more information about this error, try `rustc --explain E0425`.
[INFO] [stdout] Couldn't compile the test.
[INFO] [stdout] ---- src/lib.rs - read_fasta (line 159) stdout ----
[INFO] [stdout] error[E0433]: failed to resolve: use of undeclared type `File`
[INFO] [stdout]    --> src/lib.rs:160:9
[INFO] [stdout]     |
[INFO] [stdout] 160 | let f = File::open("dm6.fa").unwrap();
[INFO] [stdout]     |         ^^^^ use of undeclared type `File`
[INFO] [stdout]     |
[INFO] [stdout] help: consider importing this struct
[INFO] [stdout]     |
[INFO] [stdout] 159 + use std::fs::File;
[INFO] [stdout]     |
[INFO] [stdout] 
[INFO] [stdout] error[E0425]: cannot find function `read_fasta` in this scope
[INFO] [stdout]    --> src/lib.rs:161:27
[INFO] [stdout]     |
[INFO] [stdout] 161 | let (_, _, chromosomes) = read_fasta(&f).unwrap();
[INFO] [stdout]     |                           ^^^^^^^^^^ not found in this scope
[INFO] [stdout]     |
[INFO] [stdout] help: consider importing this function
[INFO] [stdout]     |
[INFO] [stdout] 159 + use mermer_rs::read_fasta;
[INFO] [stdout]     |
[INFO] [stdout] 
[INFO] [stdout] error: aborting due to 2 previous errors
[INFO] [stdout] 
[INFO] [stdout] Some errors have detailed explanations: E0425, E0433.
[INFO] [stdout] For more information about an error, try `rustc --explain E0425`.
[INFO] [stdout] Couldn't compile the test.
[INFO] [stdout] 
[INFO] [stdout] failures:
[INFO] [stdout]     src/lib.rs - read_fasta (line 159)
[INFO] [stdout]     src/lib.rs - substitute_char (line 276)
[INFO] [stdout] 
[INFO] [stdout] test result: FAILED. 0 passed; 2 failed; 0 ignored; 0 measured; 0 filtered out; finished in 0.07s
[INFO] [stdout] 
[INFO] [stderr] error: doctest failed, to rerun pass `--doc`
[INFO] running `Command { std: "docker" "inspect" "39296c6e6f8ca5803796e81e9517fd2a94f10281bfb7796a35ef635337872dc1", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "39296c6e6f8ca5803796e81e9517fd2a94f10281bfb7796a35ef635337872dc1", kill_on_drop: false }`
[INFO] [stdout] 39296c6e6f8ca5803796e81e9517fd2a94f10281bfb7796a35ef635337872dc1
