[INFO] cloning repository https://github.com/ahogappa0613/spexm
[INFO] running `Command { std: "git" "-c" "credential.helper=" "-c" "credential.helper=/workspace/cargo-home/bin/git-credential-null" "clone" "--bare" "https://github.com/ahogappa0613/spexm" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fahogappa0613%2Fspexm", kill_on_drop: false }`
[INFO] [stderr] Cloning into bare repository '/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fahogappa0613%2Fspexm'...
[INFO] running `Command { std: "git" "rev-parse" "HEAD", kill_on_drop: false }`
[INFO] [stdout] 0796645e08ea60f5c7902ced83336a0bf9a28a8e
[INFO] testing ahogappa0613/spexm against 1.55.0 for beta-1.56-2
[INFO] running `Command { std: "git" "clone" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fahogappa0613%2Fspexm" "/workspace/builds/worker-80/source", kill_on_drop: false }`
[INFO] [stderr] Cloning into '/workspace/builds/worker-80/source'...
[INFO] [stderr] done.
[INFO] validating manifest of git repo https://github.com/ahogappa0613/spexm on toolchain 1.55.0
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+1.55.0" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }`
[INFO] started tweaking git repo https://github.com/ahogappa0613/spexm
[INFO] finished tweaking git repo https://github.com/ahogappa0613/spexm
[INFO] tweaked toml for git repo https://github.com/ahogappa0613/spexm written to /workspace/builds/worker-80/source/Cargo.toml
[INFO] crate git repo https://github.com/ahogappa0613/spexm already has a lockfile, it will not be regenerated
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+1.55.0" "fetch" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] [stderr]     Blocking waiting for file lock on package cache
[INFO] [stderr]     Blocking waiting for file lock on package cache
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-80/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-80/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:a89201d6b5b9fd45c15d5952ece0a0129e7e80cb26ec023fd59cf09bc26f1604" "/opt/rustwide/cargo-home/bin/cargo" "+1.55.0" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] 7f5bd07f472b096e96b2b2a532eb008fb37e4bcb25376ed3bd3c7949a80e152b
[INFO] running `Command { std: "docker" "start" "-a" "7f5bd07f472b096e96b2b2a532eb008fb37e4bcb25376ed3bd3c7949a80e152b", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "7f5bd07f472b096e96b2b2a532eb008fb37e4bcb25376ed3bd3c7949a80e152b", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "7f5bd07f472b096e96b2b2a532eb008fb37e4bcb25376ed3bd3c7949a80e152b", kill_on_drop: false }`
[INFO] [stdout] 7f5bd07f472b096e96b2b2a532eb008fb37e4bcb25376ed3bd3c7949a80e152b
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-80/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-80/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=warn" "-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:a89201d6b5b9fd45c15d5952ece0a0129e7e80cb26ec023fd59cf09bc26f1604" "/opt/rustwide/cargo-home/bin/cargo" "+1.55.0" "build" "--frozen" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] ebd6283e93ef8a3eea2b42d27b1699fb6d541ef0c89847abd1efac34445d4069
[INFO] running `Command { std: "docker" "start" "-a" "ebd6283e93ef8a3eea2b42d27b1699fb6d541ef0c89847abd1efac34445d4069", kill_on_drop: false }`
[INFO] [stderr]     Blocking waiting for file lock on package cache
[INFO] [stderr]    Compiling spexm v0.1.0 (/opt/rustwide/workdir)
[INFO] [stdout] warning: unused import: `crate::token`
[INFO] [stdout]  --> src/builder.rs:3:5
[INFO] [stdout]   |
[INFO] [stdout] 3 | use crate::token;
[INFO] [stdout]   |     ^^^^^^^^^^^^
[INFO] [stdout]   |
[INFO] [stdout]   = note: `#[warn(unused_imports)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused import: `Formatter`
[INFO] [stdout]  --> src/chex.rs:2:31
[INFO] [stdout]   |
[INFO] [stdout] 2 | use std::fmt::{self, Display, Formatter};
[INFO] [stdout]   |                               ^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused import: `self`
[INFO] [stdout]  --> src/parser.rs:1:20
[INFO] [stdout]   |
[INFO] [stdout] 1 | use crate::token::{self, Token};
[INFO] [stdout]   |                    ^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: variant `SP_S` should have an upper camel case name
[INFO] [stdout]  --> src/token.rs:3:5
[INFO] [stdout]   |
[INFO] [stdout] 3 |     SP_S, // 文字列集合_開始
[INFO] [stdout]   |     ^^^^ help: convert the identifier to upper camel case: `SpS`
[INFO] [stdout]   |
[INFO] [stdout]   = note: `#[warn(non_camel_case_types)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: variant `SP_E` should have an upper camel case name
[INFO] [stdout]  --> src/token.rs:4:5
[INFO] [stdout]   |
[INFO] [stdout] 4 |     SP_E, // 文字列集合_終了
[INFO] [stdout]   |     ^^^^ help: convert the identifier to upper camel case: `SpE`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: variant `CH_S` should have an upper camel case name
[INFO] [stdout]  --> src/token.rs:9:5
[INFO] [stdout]   |
[INFO] [stdout] 9 |     CH_S, // 文字集合_開始
[INFO] [stdout]   |     ^^^^ help: convert the identifier to upper camel case: `ChS`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: variant `CH_E` should have an upper camel case name
[INFO] [stdout]   --> src/token.rs:10:5
[INFO] [stdout]    |
[INFO] [stdout] 10 |     CH_E, // 文字集合_終了
[INFO] [stdout]    |     ^^^^ help: convert the identifier to upper camel case: `ChE`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused import: `chex::Chex`
[INFO] [stdout]  --> src/main.rs:7:5
[INFO] [stdout]   |
[INFO] [stdout] 7 | use chex::Chex;
[INFO] [stdout]   |     ^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused import: `spex::Spex`
[INFO] [stdout]  --> src/main.rs:8:5
[INFO] [stdout]   |
[INFO] [stdout] 8 | use spex::Spex;
[INFO] [stdout]   |     ^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused imports: `BufRead`, `BufReader`, `self`
[INFO] [stdout]   --> src/main.rs:11:15
[INFO] [stdout]    |
[INFO] [stdout] 11 | use std::io::{self, BufRead, BufReader, Write};
[INFO] [stdout]    |               ^^^^  ^^^^^^^  ^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `i`
[INFO] [stdout]   --> src/parser.rs:81:10
[INFO] [stdout]    |
[INFO] [stdout] 81 |     for (i, token) in tokens.iter().enumerate() {
[INFO] [stdout]    |          ^ help: if this is intentional, prefix it with an underscore: `_i`
[INFO] [stdout]    |
[INFO] [stdout]    = note: `#[warn(unused_variables)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused `Result` that must be used
[INFO] [stdout]   --> src/main.rs:18:5
[INFO] [stdout]    |
[INFO] [stdout] 18 |     write!(file, "{}", spex("((a[bc])+&!((ac)+))|a+").mermaid());
[INFO] [stdout]    |     ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout]    |
[INFO] [stdout]    = note: `#[warn(unused_must_use)]` on by default
[INFO] [stdout]    = note: this `Result` may be an `Err` variant, which should be handled
[INFO] [stdout]    = note: this warning originates in the macro `write` (in Nightly builds, run with -Z macro-backtrace for more info)
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: 12 warnings emitted
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 8.94s
[INFO] running `Command { std: "docker" "inspect" "ebd6283e93ef8a3eea2b42d27b1699fb6d541ef0c89847abd1efac34445d4069", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "ebd6283e93ef8a3eea2b42d27b1699fb6d541ef0c89847abd1efac34445d4069", kill_on_drop: false }`
[INFO] [stdout] ebd6283e93ef8a3eea2b42d27b1699fb6d541ef0c89847abd1efac34445d4069
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-80/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-80/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=warn" "-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:a89201d6b5b9fd45c15d5952ece0a0129e7e80cb26ec023fd59cf09bc26f1604" "/opt/rustwide/cargo-home/bin/cargo" "+1.55.0" "test" "--frozen" "--no-run" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] 45e86792ad3aa0f5cf83628e75e7964df5af0ddadf2a33a08d6332f198025778
[INFO] running `Command { std: "docker" "start" "-a" "45e86792ad3aa0f5cf83628e75e7964df5af0ddadf2a33a08d6332f198025778", kill_on_drop: false }`
[INFO] [stderr]     Blocking waiting for file lock on package cache
[INFO] [stderr]    Compiling spexm v0.1.0 (/opt/rustwide/workdir)
[INFO] [stdout] warning: unused import: `crate::token`
[INFO] [stdout]  --> src/builder.rs:3:5
[INFO] [stdout]   |
[INFO] [stdout] 3 | use crate::token;
[INFO] [stdout]   |     ^^^^^^^^^^^^
[INFO] [stdout]   |
[INFO] [stdout]   = note: `#[warn(unused_imports)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused import: `Formatter`
[INFO] [stdout]  --> src/chex.rs:2:31
[INFO] [stdout]   |
[INFO] [stdout] 2 | use std::fmt::{self, Display, Formatter};
[INFO] [stdout]   |                               ^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused import: `self`
[INFO] [stdout]  --> src/parser.rs:1:20
[INFO] [stdout]   |
[INFO] [stdout] 1 | use crate::token::{self, Token};
[INFO] [stdout]   |                    ^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: variant `SP_S` should have an upper camel case name
[INFO] [stdout]  --> src/token.rs:3:5
[INFO] [stdout]   |
[INFO] [stdout] 3 |     SP_S, // 文字列集合_開始
[INFO] [stdout]   |     ^^^^ help: convert the identifier to upper camel case: `SpS`
[INFO] [stdout]   |
[INFO] [stdout]   = note: `#[warn(non_camel_case_types)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: variant `SP_E` should have an upper camel case name
[INFO] [stdout]  --> src/token.rs:4:5
[INFO] [stdout]   |
[INFO] [stdout] 4 |     SP_E, // 文字列集合_終了
[INFO] [stdout]   |     ^^^^ help: convert the identifier to upper camel case: `SpE`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: variant `CH_S` should have an upper camel case name
[INFO] [stdout]  --> src/token.rs:9:5
[INFO] [stdout]   |
[INFO] [stdout] 9 |     CH_S, // 文字集合_開始
[INFO] [stdout]   |     ^^^^ help: convert the identifier to upper camel case: `ChS`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: variant `CH_E` should have an upper camel case name
[INFO] [stdout]   --> src/token.rs:10:5
[INFO] [stdout]    |
[INFO] [stdout] 10 |     CH_E, // 文字集合_終了
[INFO] [stdout]    |     ^^^^ help: convert the identifier to upper camel case: `ChE`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused import: `chex::Chex`
[INFO] [stdout]  --> src/main.rs:7:5
[INFO] [stdout]   |
[INFO] [stdout] 7 | use chex::Chex;
[INFO] [stdout]   |     ^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused import: `spex::Spex`
[INFO] [stdout]  --> src/main.rs:8:5
[INFO] [stdout]   |
[INFO] [stdout] 8 | use spex::Spex;
[INFO] [stdout]   |     ^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused imports: `BufRead`, `BufReader`, `self`
[INFO] [stdout]   --> src/main.rs:11:15
[INFO] [stdout]    |
[INFO] [stdout] 11 | use std::io::{self, BufRead, BufReader, Write};
[INFO] [stdout]    |               ^^^^  ^^^^^^^  ^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `i`
[INFO] [stdout]   --> src/parser.rs:81:10
[INFO] [stdout]    |
[INFO] [stdout] 81 |     for (i, token) in tokens.iter().enumerate() {
[INFO] [stdout]    |          ^ help: if this is intentional, prefix it with an underscore: `_i`
[INFO] [stdout]    |
[INFO] [stdout]    = note: `#[warn(unused_variables)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused `Result` that must be used
[INFO] [stdout]   --> src/main.rs:18:5
[INFO] [stdout]    |
[INFO] [stdout] 18 |     write!(file, "{}", spex("((a[bc])+&!((ac)+))|a+").mermaid());
[INFO] [stdout]    |     ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout]    |
[INFO] [stdout]    = note: `#[warn(unused_must_use)]` on by default
[INFO] [stdout]    = note: this `Result` may be an `Err` variant, which should be handled
[INFO] [stdout]    = note: this warning originates in the macro `write` (in Nightly builds, run with -Z macro-backtrace for more info)
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: 12 warnings emitted
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr]     Finished test [unoptimized + debuginfo] target(s) in 3.40s
[INFO] running `Command { std: "docker" "inspect" "45e86792ad3aa0f5cf83628e75e7964df5af0ddadf2a33a08d6332f198025778", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "45e86792ad3aa0f5cf83628e75e7964df5af0ddadf2a33a08d6332f198025778", kill_on_drop: false }`
[INFO] [stdout] 45e86792ad3aa0f5cf83628e75e7964df5af0ddadf2a33a08d6332f198025778
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-80/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-80/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=warn" "-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:a89201d6b5b9fd45c15d5952ece0a0129e7e80cb26ec023fd59cf09bc26f1604" "/opt/rustwide/cargo-home/bin/cargo" "+1.55.0" "test" "--frozen", kill_on_drop: false }`
[INFO] [stdout] 5fa16cf0369215830b4f3fbc3abc6aa3a3fceb86e982d2207d414c7f93c4e173
[INFO] running `Command { std: "docker" "start" "-a" "5fa16cf0369215830b4f3fbc3abc6aa3a3fceb86e982d2207d414c7f93c4e173", kill_on_drop: false }`
[INFO] [stderr] warning: unused import: `crate::token`
[INFO] [stderr]  --> src/builder.rs:3:5
[INFO] [stderr]   |
[INFO] [stderr] 3 | use crate::token;
[INFO] [stderr]   |     ^^^^^^^^^^^^
[INFO] [stderr]   |
[INFO] [stderr]   = note: `#[warn(unused_imports)]` on by default
[INFO] [stderr] 
[INFO] [stderr] warning: unused import: `Formatter`
[INFO] [stderr]  --> src/chex.rs:2:31
[INFO] [stderr]   |
[INFO] [stderr] 2 | use std::fmt::{self, Display, Formatter};
[INFO] [stderr]   |                               ^^^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: unused import: `self`
[INFO] [stderr]  --> src/parser.rs:1:20
[INFO] [stderr]   |
[INFO] [stderr] 1 | use crate::token::{self, Token};
[INFO] [stderr]   |                    ^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: variant `SP_S` should have an upper camel case name
[INFO] [stderr]  --> src/token.rs:3:5
[INFO] [stderr]   |
[INFO] [stderr] 3 |     SP_S, // 文字列集合_開始
[INFO] [stderr]   |     ^^^^ help: convert the identifier to upper camel case: `SpS`
[INFO] [stderr]   |
[INFO] [stderr]   = note: `#[warn(non_camel_case_types)]` on by default
[INFO] [stderr] 
[INFO] [stderr] warning: variant `SP_E` should have an upper camel case name
[INFO] [stderr]  --> src/token.rs:4:5
[INFO] [stderr]   |
[INFO] [stderr] 4 |     SP_E, // 文字列集合_終了
[INFO] [stderr]   |     ^^^^ help: convert the identifier to upper camel case: `SpE`
[INFO] [stderr] 
[INFO] [stderr] warning: variant `CH_S` should have an upper camel case name
[INFO] [stderr]  --> src/token.rs:9:5
[INFO] [stderr]   |
[INFO] [stderr] 9 |     CH_S, // 文字集合_開始
[INFO] [stderr]   |     ^^^^ help: convert the identifier to upper camel case: `ChS`
[INFO] [stderr] 
[INFO] [stderr] warning: variant `CH_E` should have an upper camel case name
[INFO] [stderr]   --> src/token.rs:10:5
[INFO] [stderr]    |
[INFO] [stderr] 10 |     CH_E, // 文字集合_終了
[INFO] [stderr]    |     ^^^^ help: convert the identifier to upper camel case: `ChE`
[INFO] [stderr] 
[INFO] [stderr] warning: unused import: `chex::Chex`
[INFO] [stderr]  --> src/main.rs:7:5
[INFO] [stderr]   |
[INFO] [stderr] 7 | use chex::Chex;
[INFO] [stderr]   |     ^^^^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: unused import: `spex::Spex`
[INFO] [stderr]  --> src/main.rs:8:5
[INFO] [stderr]   |
[INFO] [stderr] 8 | use spex::Spex;
[INFO] [stderr]   |     ^^^^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: unused imports: `BufRead`, `BufReader`, `self`
[INFO] [stderr]   --> src/main.rs:11:15
[INFO] [stderr]    |
[INFO] [stderr] 11 | use std::io::{self, BufRead, BufReader, Write};
[INFO] [stderr]    |               ^^^^  ^^^^^^^  ^^^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: unused variable: `i`
[INFO] [stderr]   --> src/parser.rs:81:10
[INFO] [stderr]    |
[INFO] [stderr] 81 |     for (i, token) in tokens.iter().enumerate() {
[INFO] [stderr]    |          ^ help: if this is intentional, prefix it with an underscore: `_i`
[INFO] [stderr]    |
[INFO] [stderr]    = note: `#[warn(unused_variables)]` on by default
[INFO] [stderr] 
[INFO] [stderr] warning: unused `Result` that must be used
[INFO] [stderr]   --> src/main.rs:18:5
[INFO] [stderr]    |
[INFO] [stderr] 18 |     write!(file, "{}", spex("((a[bc])+&!((ac)+))|a+").mermaid());
[INFO] [stderr]    |     ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stderr]    |
[INFO] [stderr]    = note: `#[warn(unused_must_use)]` on by default
[INFO] [stderr]    = note: this `Result` may be an `Err` variant, which should be handled
[INFO] [stderr]    = note: this warning originates in the macro `write` (in Nightly builds, run with -Z macro-backtrace for more info)
[INFO] [stderr] 
[INFO] [stderr] warning: `spexm` (bin "spexm" test) generated 12 warnings
[INFO] [stderr]     Finished test [unoptimized + debuginfo] target(s) in 0.02s
[INFO] [stderr]      Running unittests (/opt/rustwide/target/debug/deps/spexm-a36c327944392e79)
[INFO] [stdout] 
[INFO] [stdout] running 12 tests
[INFO] [stdout] test chex::chex_tests::blank ... ok
[INFO] [stdout] test chex::chex_tests::invert_chex ... ok
[INFO] [stdout] test chex::chex_tests::chex ... ok
[INFO] [stdout] test chex::chex_tests::not_chex ... ok
[INFO] [stdout] test chex::chex_tests::not_intersection_chex ... ok
[INFO] [stdout] test chex::chex_tests::intersection_chex ... ok
[INFO] [stdout] test chex::chex_tests::not_invert_chex ... ok
[INFO] [stdout] test chex::chex_tests::not_union_chex ... ok
[INFO] [stdout] test chex::chex_tests::union_chex ... ok
[INFO] [stdout] test chex::chex_tests::whole ... ok
[INFO] [stdout] test parser::tests::test_tokenize ... ok
[INFO] [stdout] test tests::test1 ... ok
[INFO] [stdout] 
[INFO] [stdout] test result: ok. 12 passed; 0 failed; 0 ignored; 0 measured; 0 filtered out; finished in 0.04s
[INFO] [stdout] 
[INFO] running `Command { std: "docker" "inspect" "5fa16cf0369215830b4f3fbc3abc6aa3a3fceb86e982d2207d414c7f93c4e173", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "5fa16cf0369215830b4f3fbc3abc6aa3a3fceb86e982d2207d414c7f93c4e173", kill_on_drop: false }`
[INFO] [stdout] 5fa16cf0369215830b4f3fbc3abc6aa3a3fceb86e982d2207d414c7f93c4e173