[INFO] cloning repository https://github.com/H1ghBre4k3r/y-lang
[INFO] running `Command { std: "git" "-c" "credential.helper=" "-c" "credential.helper=/workspace/cargo-home/bin/git-credential-null" "clone" "--bare" "https://github.com/H1ghBre4k3r/y-lang" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2FH1ghBre4k3r%2Fy-lang", kill_on_drop: false }`
[INFO] [stderr] Cloning into bare repository '/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2FH1ghBre4k3r%2Fy-lang'...
[INFO] running `Command { std: "git" "rev-parse" "HEAD", kill_on_drop: false }`
[INFO] [stdout] e10d0df12be8b9d882dbb2eb7a679c9b68724c2d
[INFO] testing H1ghBre4k3r/y-lang against 1.76.0 for beta-1.77-1
[INFO] running `Command { std: "git" "clone" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2FH1ghBre4k3r%2Fy-lang" "/workspace/builds/worker-7-tc1/source", kill_on_drop: false }`
[INFO] [stderr] Cloning into '/workspace/builds/worker-7-tc1/source'...
[INFO] [stderr] done.
[INFO] validating manifest of git repo https://github.com/H1ghBre4k3r/y-lang on toolchain 1.76.0
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+1.76.0" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }`
[INFO] started tweaking git repo https://github.com/H1ghBre4k3r/y-lang
[INFO] finished tweaking git repo https://github.com/H1ghBre4k3r/y-lang
[INFO] tweaked toml for git repo https://github.com/H1ghBre4k3r/y-lang written to /workspace/builds/worker-7-tc1/source/Cargo.toml
[INFO] crate git repo https://github.com/H1ghBre4k3r/y-lang 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" "+1.76.0" "fetch" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] [stderr]     Updating crates.io index
[INFO] [stderr]  Downloading crates ...
[INFO] [stderr]   Downloaded clap_derive v4.5.0
[INFO] [stderr]   Downloaded clap v4.5.0
[INFO] [stderr]   Downloaded clap_lex v0.7.0
[INFO] [stderr]   Downloaded unescape v0.1.0
[INFO] [stderr]   Downloaded strsim v0.11.0
[INFO] [stderr]   Downloaded simple_logger v4.3.3
[INFO] [stderr]   Downloaded anstream v0.6.7
[INFO] [stderr]   Downloaded pest_meta v2.7.7
[INFO] [stderr]   Downloaded pest_derive v2.7.7
[INFO] [stderr]   Downloaded pest v2.7.7
[INFO] [stderr]   Downloaded memchr v2.6.2
[INFO] [stderr]   Downloaded clap_builder v4.5.0
[INFO] [stderr]   Downloaded pest_generator v2.7.7
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-7-tc1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-7-tc1/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@sha256:2788e3201cd34a07e3172128adcd8b3090168a8e3bcc40d7c032b9dda1df7d1c" "/opt/rustwide/cargo-home/bin/cargo" "+1.76.0" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] e6acccac85929a330d7976242a540ab534c79a26e14cb67130204b216a73159b
[INFO] running `Command { std: "docker" "start" "-a" "e6acccac85929a330d7976242a540ab534c79a26e14cb67130204b216a73159b", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "e6acccac85929a330d7976242a540ab534c79a26e14cb67130204b216a73159b", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "e6acccac85929a330d7976242a540ab534c79a26e14cb67130204b216a73159b", kill_on_drop: false }`
[INFO] [stdout] e6acccac85929a330d7976242a540ab534c79a26e14cb67130204b216a73159b
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-7-tc1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-7-tc1/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" "RUSTDOCFLAGS=--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@sha256:2788e3201cd34a07e3172128adcd8b3090168a8e3bcc40d7c032b9dda1df7d1c" "/opt/rustwide/cargo-home/bin/cargo" "+1.76.0" "build" "--frozen" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] ea88c49bbe61f7ed528f76e9f85937c75df0cabf522938d2fc937c8ca8552359
[INFO] running `Command { std: "docker" "start" "-a" "ea88c49bbe61f7ed528f76e9f85937c75df0cabf522938d2fc937c8ca8552359", kill_on_drop: false }`
[INFO] [stderr]    Compiling proc-macro2 v1.0.78
[INFO] [stderr]    Compiling unicode-ident v1.0.6
[INFO] [stderr]    Compiling quote v1.0.26
[INFO] [stderr]    Compiling syn v1.0.107
[INFO] [stderr]    Compiling thiserror v1.0.38
[INFO] [stderr]    Compiling libc v0.2.140
[INFO] [stderr]    Compiling ucd-trie v0.1.5
[INFO] [stderr]    Compiling memchr v2.6.2
[INFO] [stderr]    Compiling utf8parse v0.2.1
[INFO] [stderr]    Compiling anstyle-parse v0.2.0
[INFO] [stderr]    Compiling anstyle-query v1.0.0
[INFO] [stderr]    Compiling anstyle v1.0.0
[INFO] [stderr]    Compiling colorchoice v1.0.0
[INFO] [stderr]    Compiling once_cell v1.19.0
[INFO] [stderr]    Compiling clap_lex v0.7.0
[INFO] [stderr]    Compiling strsim v0.11.0
[INFO] [stderr]    Compiling lazy_static v1.4.0
[INFO] [stderr]    Compiling anstream v0.6.7
[INFO] [stderr]    Compiling heck v0.4.0
[INFO] [stderr]    Compiling log v0.4.20
[INFO] [stderr]    Compiling unescape v0.1.0
[INFO] [stderr]    Compiling home v0.5.9
[INFO] [stderr]    Compiling clap_builder v4.5.0
[INFO] [stderr]    Compiling syn v2.0.8
[INFO] [stderr]    Compiling atty v0.2.14
[INFO] [stderr]    Compiling include_dir_macros v0.7.3
[INFO] [stderr]    Compiling colored v2.0.0
[INFO] [stderr]    Compiling simple_logger v4.3.3
[INFO] [stderr]    Compiling include_dir v0.7.3
[INFO] [stderr]    Compiling thiserror-impl v1.0.38
[INFO] [stderr]    Compiling pest v2.7.7
[INFO] [stderr]    Compiling clap_derive v4.5.0
[INFO] [stderr]    Compiling pest_meta v2.7.7
[INFO] [stderr]    Compiling clap v4.5.0
[INFO] [stderr]    Compiling pest_generator v2.7.7
[INFO] [stderr]    Compiling pest_derive v2.7.7
[INFO] [stderr]    Compiling y-lang v0.1.3 (/opt/rustwide/workdir)
[INFO] [stdout] warning: unused import: `self::parser::*`
[INFO] [stdout]   --> src/ast/mod.rs:73:9
[INFO] [stdout]    |
[INFO] [stdout] 73 | pub use self::parser::*;
[INFO] [stdout]    |         ^^^^^^^^^^^^^^^
[INFO] [stdout]    |
[INFO] [stdout]    = note: `#[warn(unused_imports)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unnecessary allocation, use `&` instead
[INFO] [stdout]    --> src/typechecker/variabletype.rs:134:40
[INFO] [stdout]     |
[INFO] [stdout] 134 |                 if *other_item_type == Box::new(Char) {
[INFO] [stdout]     |                                        ^^^^^^^^^^^^^^
[INFO] [stdout]     |
[INFO] [stdout]     = note: `#[warn(unused_allocation)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unnecessary allocation, use `&` instead
[INFO] [stdout]    --> src/typechecker/variabletype.rs:143:34
[INFO] [stdout]     |
[INFO] [stdout] 143 |                 if *item_type == Box::new(Char) {
[INFO] [stdout]     |                                  ^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: 3 warnings emitted
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 7.43s
[INFO] running `Command { std: "docker" "inspect" "ea88c49bbe61f7ed528f76e9f85937c75df0cabf522938d2fc937c8ca8552359", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "ea88c49bbe61f7ed528f76e9f85937c75df0cabf522938d2fc937c8ca8552359", kill_on_drop: false }`
[INFO] [stdout] ea88c49bbe61f7ed528f76e9f85937c75df0cabf522938d2fc937c8ca8552359
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-7-tc1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-7-tc1/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" "RUSTDOCFLAGS=--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@sha256:2788e3201cd34a07e3172128adcd8b3090168a8e3bcc40d7c032b9dda1df7d1c" "/opt/rustwide/cargo-home/bin/cargo" "+1.76.0" "test" "--frozen" "--no-run" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] 57321cb3aa56def45de5ba0de47011611e8d7aa0fbcf7ca12f105a8530609031
[INFO] running `Command { std: "docker" "start" "-a" "57321cb3aa56def45de5ba0de47011611e8d7aa0fbcf7ca12f105a8530609031", kill_on_drop: false }`
[INFO] [stderr]    Compiling test-utils v0.0.1 (/opt/rustwide/workdir/test-utils)
[INFO] [stdout] warning: unused import: `self::parser::*`
[INFO] [stdout]   --> src/ast/mod.rs:73:9
[INFO] [stdout]    |
[INFO] [stdout] 73 | pub use self::parser::*;
[INFO] [stdout]    |         ^^^^^^^^^^^^^^^
[INFO] [stdout]    |
[INFO] [stdout]    = note: `#[warn(unused_imports)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unnecessary allocation, use `&` instead
[INFO] [stdout]    --> src/typechecker/variabletype.rs:134:40
[INFO] [stdout]     |
[INFO] [stdout] 134 |                 if *other_item_type == Box::new(Char) {
[INFO] [stdout]     |                                        ^^^^^^^^^^^^^^
[INFO] [stdout]     |
[INFO] [stdout]     = note: `#[warn(unused_allocation)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unnecessary allocation, use `&` instead
[INFO] [stdout]    --> src/typechecker/variabletype.rs:143:34
[INFO] [stdout]     |
[INFO] [stdout] 143 |                 if *item_type == Box::new(Char) {
[INFO] [stdout]     |                                  ^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: 3 warnings emitted
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr]    Compiling y-lang v0.1.3 (/opt/rustwide/workdir)
[INFO] [stdout] warning: unused import: `self::parser::*`
[INFO] [stdout]   --> src/ast/mod.rs:73:9
[INFO] [stdout]    |
[INFO] [stdout] 73 | pub use self::parser::*;
[INFO] [stdout]    |         ^^^^^^^^^^^^^^^
[INFO] [stdout]    |
[INFO] [stdout]    = note: `#[warn(unused_imports)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unnecessary allocation, use `&` instead
[INFO] [stdout]    --> src/typechecker/variabletype.rs:134:40
[INFO] [stdout]     |
[INFO] [stdout] 134 |                 if *other_item_type == Box::new(Char) {
[INFO] [stdout]     |                                        ^^^^^^^^^^^^^^
[INFO] [stdout]     |
[INFO] [stdout]     = note: `#[warn(unused_allocation)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unnecessary allocation, use `&` instead
[INFO] [stdout]    --> src/typechecker/variabletype.rs:143:34
[INFO] [stdout]     |
[INFO] [stdout] 143 |                 if *item_type == Box::new(Char) {
[INFO] [stdout]     |                                  ^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: 3 warnings emitted
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr]     Finished test [unoptimized + debuginfo] target(s) in 1.91s
[INFO] running `Command { std: "docker" "inspect" "57321cb3aa56def45de5ba0de47011611e8d7aa0fbcf7ca12f105a8530609031", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "57321cb3aa56def45de5ba0de47011611e8d7aa0fbcf7ca12f105a8530609031", kill_on_drop: false }`
[INFO] [stdout] 57321cb3aa56def45de5ba0de47011611e8d7aa0fbcf7ca12f105a8530609031
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-7-tc1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-7-tc1/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" "RUSTDOCFLAGS=--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@sha256:2788e3201cd34a07e3172128adcd8b3090168a8e3bcc40d7c032b9dda1df7d1c" "/opt/rustwide/cargo-home/bin/cargo" "+1.76.0" "test" "--frozen", kill_on_drop: false }`
[INFO] [stdout] 984ba07481c677b0d36636b8915461562abde5f12b220f37a15d8fa84ec0bbfb
[INFO] running `Command { std: "docker" "start" "-a" "984ba07481c677b0d36636b8915461562abde5f12b220f37a15d8fa84ec0bbfb", kill_on_drop: false }`
[INFO] [stderr] warning: unused import: `self::parser::*`
[INFO] [stderr]   --> src/ast/mod.rs:73:9
[INFO] [stderr]    |
[INFO] [stderr] 73 | pub use self::parser::*;
[INFO] [stderr]    |         ^^^^^^^^^^^^^^^
[INFO] [stderr]    |
[INFO] [stderr]    = note: `#[warn(unused_imports)]` on by default
[INFO] [stderr] 
[INFO] [stderr] warning: unnecessary allocation, use `&` instead
[INFO] [stderr]    --> src/typechecker/variabletype.rs:134:40
[INFO] [stderr]     |
[INFO] [stderr] 134 |                 if *other_item_type == Box::new(Char) {
[INFO] [stderr]     |                                        ^^^^^^^^^^^^^^
[INFO] [stderr]     |
[INFO] [stderr]     = note: `#[warn(unused_allocation)]` on by default
[INFO] [stderr] 
[INFO] [stderr] warning: unnecessary allocation, use `&` instead
[INFO] [stderr]    --> src/typechecker/variabletype.rs:143:34
[INFO] [stderr]     |
[INFO] [stderr] 143 |                 if *item_type == Box::new(Char) {
[INFO] [stderr]     |                                  ^^^^^^^^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: `y-lang` (lib) generated 3 warnings (run `cargo fix --lib -p y-lang` to apply 1 suggestion)
[INFO] [stderr] warning: `y-lang` (lib test) generated 3 warnings (3 duplicates)
[INFO] [stderr]     Finished test [unoptimized + debuginfo] target(s) in 0.03s
[INFO] [stderr]      Running unittests src/lib.rs (/opt/rustwide/target/debug/deps/y_lang-2b95ef54591be2f9)
[INFO] [stdout] 
[INFO] [stdout] running 4 tests
[INFO] [stdout] test typechecker::variabletype::tests::test_conver_to_unknown ... ok
[INFO] [stdout] test typechecker::variabletype::tests::test_convert_to_any ... ok
[INFO] [stdout] test typechecker::variabletype::tests::test_convert_from_any ... ok
[INFO] [stdout] test typechecker::variabletype::tests::test_convert_from_unknown ... ok
[INFO] [stdout] 
[INFO] [stdout] test result: ok. 4 passed; 0 failed; 0 ignored; 0 measured; 0 filtered out; finished in 0.00s
[INFO] [stdout] 
[INFO] [stderr]      Running unittests src/bin/why/main.rs (/opt/rustwide/target/debug/deps/why-1e736497f2a1bfec)
[INFO] [stdout] 
[INFO] [stdout] running 0 tests
[INFO] [stdout] 
[INFO] [stdout] test result: ok. 0 passed; 0 failed; 0 ignored; 0 measured; 0 filtered out; finished in 0.00s
[INFO] [stdout] 
[INFO] [stderr]      Running tests/ackermann.rs (/opt/rustwide/target/debug/deps/ackermann-d906f1a04ffc693a)
[INFO] [stdout] 
[INFO] [stdout] running 1 test
[INFO] [stdout] test compile_and_run_ackermann ... FAILED
[INFO] [stdout] 
[INFO] [stdout] failures:
[INFO] [stdout] 
[INFO] [stdout] ---- compile_and_run_ackermann stdout ----
[INFO] [stdout] Error: Os { code: 2, kind: NotFound, message: "No such file or directory" }
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] failures:
[INFO] [stdout]     compile_and_run_ackermann
[INFO] [stdout] 
[INFO] [stdout] test result: FAILED. 0 passed; 1 failed; 0 ignored; 0 measured; 0 filtered out; finished in 0.00s
[INFO] [stdout] 
[INFO] [stderr] error: test failed, to rerun pass `--test ackermann`
[INFO] running `Command { std: "docker" "inspect" "984ba07481c677b0d36636b8915461562abde5f12b220f37a15d8fa84ec0bbfb", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "984ba07481c677b0d36636b8915461562abde5f12b220f37a15d8fa84ec0bbfb", kill_on_drop: false }`
[INFO] [stdout] 984ba07481c677b0d36636b8915461562abde5f12b220f37a15d8fa84ec0bbfb
[INFO] testing H1ghBre4k3r/y-lang against beta-2024-02-10 for beta-1.77-1
[INFO] running `Command { std: "git" "clone" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2FH1ghBre4k3r%2Fy-lang" "/workspace/builds/worker-7-tc2/source", kill_on_drop: false }`
[INFO] [stderr] Cloning into '/workspace/builds/worker-7-tc2/source'...
[INFO] [stderr] done.
[INFO] validating manifest of git repo https://github.com/H1ghBre4k3r/y-lang on toolchain beta-2024-02-10
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+beta-2024-02-10" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }`
[INFO] started tweaking git repo https://github.com/H1ghBre4k3r/y-lang
[INFO] finished tweaking git repo https://github.com/H1ghBre4k3r/y-lang
[INFO] tweaked toml for git repo https://github.com/H1ghBre4k3r/y-lang written to /workspace/builds/worker-7-tc2/source/Cargo.toml
[INFO] crate git repo https://github.com/H1ghBre4k3r/y-lang 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" "+beta-2024-02-10" "fetch" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-7-tc2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-7-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@sha256:2788e3201cd34a07e3172128adcd8b3090168a8e3bcc40d7c032b9dda1df7d1c" "/opt/rustwide/cargo-home/bin/cargo" "+beta-2024-02-10" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] 53fdd58ce49f660bc451931dc25b7bb013577b803a65a6f22c50fcfae060f211
[INFO] running `Command { std: "docker" "start" "-a" "53fdd58ce49f660bc451931dc25b7bb013577b803a65a6f22c50fcfae060f211", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "53fdd58ce49f660bc451931dc25b7bb013577b803a65a6f22c50fcfae060f211", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "53fdd58ce49f660bc451931dc25b7bb013577b803a65a6f22c50fcfae060f211", kill_on_drop: false }`
[INFO] [stdout] 53fdd58ce49f660bc451931dc25b7bb013577b803a65a6f22c50fcfae060f211
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-7-tc2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-7-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=warn" "-e" "RUSTDOCFLAGS=--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@sha256:2788e3201cd34a07e3172128adcd8b3090168a8e3bcc40d7c032b9dda1df7d1c" "/opt/rustwide/cargo-home/bin/cargo" "+beta-2024-02-10" "build" "--frozen" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] 5481a0aeca79d22d7a66648488d042ba47523913f76c57f1ad60d870a56533cf
[INFO] running `Command { std: "docker" "start" "-a" "5481a0aeca79d22d7a66648488d042ba47523913f76c57f1ad60d870a56533cf", kill_on_drop: false }`
[INFO] [stderr]    Compiling proc-macro2 v1.0.78
[INFO] [stderr]    Compiling quote v1.0.26
[INFO] [stderr]    Compiling unicode-ident v1.0.6
[INFO] [stderr]    Compiling syn v1.0.107
[INFO] [stderr]    Compiling thiserror v1.0.38
[INFO] [stderr]    Compiling libc v0.2.140
[INFO] [stderr]    Compiling utf8parse v0.2.1
[INFO] [stderr]    Compiling ucd-trie v0.1.5
[INFO] [stderr]    Compiling memchr v2.6.2
[INFO] [stderr]    Compiling anstyle-parse v0.2.0
[INFO] [stderr]    Compiling colorchoice v1.0.0
[INFO] [stderr]    Compiling anstyle v1.0.0
[INFO] [stderr]    Compiling anstyle-query v1.0.0
[INFO] [stderr]    Compiling once_cell v1.19.0
[INFO] [stderr]    Compiling clap_lex v0.7.0
[INFO] [stderr]    Compiling strsim v0.11.0
[INFO] [stderr]    Compiling heck v0.4.0
[INFO] [stderr]    Compiling anstream v0.6.7
[INFO] [stderr]    Compiling lazy_static v1.4.0
[INFO] [stderr]    Compiling log v0.4.20
[INFO] [stderr]    Compiling home v0.5.9
[INFO] [stderr]    Compiling unescape v0.1.0
[INFO] [stderr]    Compiling clap_builder v4.5.0
[INFO] [stderr]    Compiling syn v2.0.8
[INFO] [stderr]    Compiling atty v0.2.14
[INFO] [stderr]    Compiling include_dir_macros v0.7.3
[INFO] [stderr]    Compiling colored v2.0.0
[INFO] [stderr]    Compiling simple_logger v4.3.3
[INFO] [stderr]    Compiling include_dir v0.7.3
[INFO] [stderr]    Compiling thiserror-impl v1.0.38
[INFO] [stderr]    Compiling clap_derive v4.5.0
[INFO] [stderr]    Compiling pest v2.7.7
[INFO] [stderr]    Compiling pest_meta v2.7.7
[INFO] [stderr]    Compiling clap v4.5.0
[INFO] [stderr]    Compiling pest_generator v2.7.7
[INFO] [stderr]    Compiling pest_derive v2.7.7
[INFO] [stderr]    Compiling y-lang v0.1.3 (/opt/rustwide/workdir)
[INFO] [stdout] warning: unused import: `self::parser::*`
[INFO] [stdout]   --> src/ast/mod.rs:73:9
[INFO] [stdout]    |
[INFO] [stdout] 73 | pub use self::parser::*;
[INFO] [stdout]    |         ^^^^^^^^^^^^^^^
[INFO] [stdout]    |
[INFO] [stdout]    = note: `#[warn(unused_imports)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: field `0` is never read
[INFO] [stdout]   --> src/ast/binary_op.rs:17:29
[INFO] [stdout]    |
[INFO] [stdout] 17 | pub struct UndefinedOpError(String);
[INFO] [stdout]    |            ---------------- ^^^^^^
[INFO] [stdout]    |            |
[INFO] [stdout]    |            field in this struct
[INFO] [stdout]    |
[INFO] [stdout]    = note: `UndefinedOpError` has a derived impl for the trait `Debug`, but this is intentionally ignored during dead code analysis
[INFO] [stdout]    = note: `#[warn(dead_code)]` on by default
[INFO] [stdout] help: consider changing the field to be of unit type to suppress this warning while preserving the field numbering, or remove the field
[INFO] [stdout]    |
[INFO] [stdout] 17 | pub struct UndefinedOpError(());
[INFO] [stdout]    |                             ~~
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: field `0` is never read
[INFO] [stdout]   --> src/ast/prefix_op.rs:12:35
[INFO] [stdout]    |
[INFO] [stdout] 12 | pub struct UndefinedPrefixOpError(String);
[INFO] [stdout]    |            ---------------------- ^^^^^^
[INFO] [stdout]    |            |
[INFO] [stdout]    |            field in this struct
[INFO] [stdout]    |
[INFO] [stdout]    = note: `UndefinedPrefixOpError` has a derived impl for the trait `Debug`, but this is intentionally ignored during dead code analysis
[INFO] [stdout] help: consider changing the field to be of unit type to suppress this warning while preserving the field numbering, or remove the field
[INFO] [stdout]    |
[INFO] [stdout] 12 | pub struct UndefinedPrefixOpError(());
[INFO] [stdout]    |                                   ~~
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: field `0` is never read
[INFO] [stdout]   --> src/typechecker/variabletype.rs:29:31
[INFO] [stdout]    |
[INFO] [stdout] 29 | pub struct VariableParseError(String);
[INFO] [stdout]    |            ------------------ ^^^^^^
[INFO] [stdout]    |            |
[INFO] [stdout]    |            field in this struct
[INFO] [stdout]    |
[INFO] [stdout] help: consider changing the field to be of unit type to suppress this warning while preserving the field numbering, or remove the field
[INFO] [stdout]    |
[INFO] [stdout] 29 | pub struct VariableParseError(());
[INFO] [stdout]    |                               ~~
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unnecessary allocation, use `&` instead
[INFO] [stdout]    --> src/typechecker/variabletype.rs:134:40
[INFO] [stdout]     |
[INFO] [stdout] 134 |                 if *other_item_type == Box::new(Char) {
[INFO] [stdout]     |                                        ^^^^^^^^^^^^^^
[INFO] [stdout]     |
[INFO] [stdout]     = note: `#[warn(unused_allocation)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unnecessary allocation, use `&` instead
[INFO] [stdout]    --> src/typechecker/variabletype.rs:143:34
[INFO] [stdout]     |
[INFO] [stdout] 143 |                 if *item_type == Box::new(Char) {
[INFO] [stdout]     |                                  ^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: 6 warnings emitted
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 7.40s
[INFO] running `Command { std: "docker" "inspect" "5481a0aeca79d22d7a66648488d042ba47523913f76c57f1ad60d870a56533cf", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "5481a0aeca79d22d7a66648488d042ba47523913f76c57f1ad60d870a56533cf", kill_on_drop: false }`
[INFO] [stdout] 5481a0aeca79d22d7a66648488d042ba47523913f76c57f1ad60d870a56533cf
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-7-tc2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-7-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=warn" "-e" "RUSTDOCFLAGS=--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@sha256:2788e3201cd34a07e3172128adcd8b3090168a8e3bcc40d7c032b9dda1df7d1c" "/opt/rustwide/cargo-home/bin/cargo" "+beta-2024-02-10" "test" "--frozen" "--no-run" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] b68e234bd2dcf5e5914e1a7f1fcce8fc42bffeeccdd2d4e5eeb5f7fafca67062
[INFO] running `Command { std: "docker" "start" "-a" "b68e234bd2dcf5e5914e1a7f1fcce8fc42bffeeccdd2d4e5eeb5f7fafca67062", kill_on_drop: false }`
[INFO] [stderr]    Compiling test-utils v0.0.1 (/opt/rustwide/workdir/test-utils)
[INFO] [stdout] warning: unused import: `self::parser::*`
[INFO] [stdout]   --> src/ast/mod.rs:73:9
[INFO] [stdout]    |
[INFO] [stdout] 73 | pub use self::parser::*;
[INFO] [stdout]    |         ^^^^^^^^^^^^^^^
[INFO] [stdout]    |
[INFO] [stdout]    = note: `#[warn(unused_imports)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: field `0` is never read
[INFO] [stdout]   --> src/ast/binary_op.rs:17:29
[INFO] [stdout]    |
[INFO] [stdout] 17 | pub struct UndefinedOpError(String);
[INFO] [stdout]    |            ---------------- ^^^^^^
[INFO] [stdout]    |            |
[INFO] [stdout]    |            field in this struct
[INFO] [stdout]    |
[INFO] [stdout]    = note: `UndefinedOpError` has a derived impl for the trait `Debug`, but this is intentionally ignored during dead code analysis
[INFO] [stdout]    = note: `#[warn(dead_code)]` on by default
[INFO] [stdout] help: consider changing the field to be of unit type to suppress this warning while preserving the field numbering, or remove the field
[INFO] [stdout]    |
[INFO] [stdout] 17 | pub struct UndefinedOpError(());
[INFO] [stdout]    |                             ~~
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: field `0` is never read
[INFO] [stdout]   --> src/ast/prefix_op.rs:12:35
[INFO] [stdout]    |
[INFO] [stdout] 12 | pub struct UndefinedPrefixOpError(String);
[INFO] [stdout]    |            ---------------------- ^^^^^^
[INFO] [stdout]    |            |
[INFO] [stdout]    |            field in this struct
[INFO] [stdout]    |
[INFO] [stdout]    = note: `UndefinedPrefixOpError` has a derived impl for the trait `Debug`, but this is intentionally ignored during dead code analysis
[INFO] [stdout] help: consider changing the field to be of unit type to suppress this warning while preserving the field numbering, or remove the field
[INFO] [stdout]    |
[INFO] [stdout] 12 | pub struct UndefinedPrefixOpError(());
[INFO] [stdout]    |                                   ~~
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: field `0` is never read
[INFO] [stdout]   --> src/typechecker/variabletype.rs:29:31
[INFO] [stdout]    |
[INFO] [stdout] 29 | pub struct VariableParseError(String);
[INFO] [stdout]    |            ------------------ ^^^^^^
[INFO] [stdout]    |            |
[INFO] [stdout]    |            field in this struct
[INFO] [stdout]    |
[INFO] [stdout] help: consider changing the field to be of unit type to suppress this warning while preserving the field numbering, or remove the field
[INFO] [stdout]    |
[INFO] [stdout] 29 | pub struct VariableParseError(());
[INFO] [stdout]    |                               ~~
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unnecessary allocation, use `&` instead
[INFO] [stdout]    --> src/typechecker/variabletype.rs:134:40
[INFO] [stdout]     |
[INFO] [stdout] 134 |                 if *other_item_type == Box::new(Char) {
[INFO] [stdout]     |                                        ^^^^^^^^^^^^^^
[INFO] [stdout]     |
[INFO] [stdout]     = note: `#[warn(unused_allocation)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unnecessary allocation, use `&` instead
[INFO] [stdout]    --> src/typechecker/variabletype.rs:143:34
[INFO] [stdout]     |
[INFO] [stdout] 143 |                 if *item_type == Box::new(Char) {
[INFO] [stdout]     |                                  ^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: 6 warnings emitted
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr]    Compiling y-lang v0.1.3 (/opt/rustwide/workdir)
[INFO] [stdout] warning: unused import: `self::parser::*`
[INFO] [stdout]   --> src/ast/mod.rs:73:9
[INFO] [stdout]    |
[INFO] [stdout] 73 | pub use self::parser::*;
[INFO] [stdout]    |         ^^^^^^^^^^^^^^^
[INFO] [stdout]    |
[INFO] [stdout]    = note: `#[warn(unused_imports)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: field `0` is never read
[INFO] [stdout]   --> src/ast/binary_op.rs:17:29
[INFO] [stdout]    |
[INFO] [stdout] 17 | pub struct UndefinedOpError(String);
[INFO] [stdout]    |            ---------------- ^^^^^^
[INFO] [stdout]    |            |
[INFO] [stdout]    |            field in this struct
[INFO] [stdout]    |
[INFO] [stdout]    = note: `UndefinedOpError` has a derived impl for the trait `Debug`, but this is intentionally ignored during dead code analysis
[INFO] [stdout]    = note: `#[warn(dead_code)]` on by default
[INFO] [stdout] help: consider changing the field to be of unit type to suppress this warning while preserving the field numbering, or remove the field
[INFO] [stdout]    |
[INFO] [stdout] 17 | pub struct UndefinedOpError(());
[INFO] [stdout]    |                             ~~
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: field `0` is never read
[INFO] [stdout]   --> src/ast/prefix_op.rs:12:35
[INFO] [stdout]    |
[INFO] [stdout] 12 | pub struct UndefinedPrefixOpError(String);
[INFO] [stdout]    |            ---------------------- ^^^^^^
[INFO] [stdout]    |            |
[INFO] [stdout]    |            field in this struct
[INFO] [stdout]    |
[INFO] [stdout]    = note: `UndefinedPrefixOpError` has a derived impl for the trait `Debug`, but this is intentionally ignored during dead code analysis
[INFO] [stdout] help: consider changing the field to be of unit type to suppress this warning while preserving the field numbering, or remove the field
[INFO] [stdout]    |
[INFO] [stdout] 12 | pub struct UndefinedPrefixOpError(());
[INFO] [stdout]    |                                   ~~
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: field `0` is never read
[INFO] [stdout]   --> src/typechecker/variabletype.rs:29:31
[INFO] [stdout]    |
[INFO] [stdout] 29 | pub struct VariableParseError(String);
[INFO] [stdout]    |            ------------------ ^^^^^^
[INFO] [stdout]    |            |
[INFO] [stdout]    |            field in this struct
[INFO] [stdout]    |
[INFO] [stdout] help: consider changing the field to be of unit type to suppress this warning while preserving the field numbering, or remove the field
[INFO] [stdout]    |
[INFO] [stdout] 29 | pub struct VariableParseError(());
[INFO] [stdout]    |                               ~~
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unnecessary allocation, use `&` instead
[INFO] [stdout]    --> src/typechecker/variabletype.rs:134:40
[INFO] [stdout]     |
[INFO] [stdout] 134 |                 if *other_item_type == Box::new(Char) {
[INFO] [stdout]     |                                        ^^^^^^^^^^^^^^
[INFO] [stdout]     |
[INFO] [stdout]     = note: `#[warn(unused_allocation)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unnecessary allocation, use `&` instead
[INFO] [stdout]    --> src/typechecker/variabletype.rs:143:34
[INFO] [stdout]     |
[INFO] [stdout] 143 |                 if *item_type == Box::new(Char) {
[INFO] [stdout]     |                                  ^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: 6 warnings emitted
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr]     Finished test [unoptimized + debuginfo] target(s) in 1.38s
[INFO] running `Command { std: "docker" "inspect" "b68e234bd2dcf5e5914e1a7f1fcce8fc42bffeeccdd2d4e5eeb5f7fafca67062", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "b68e234bd2dcf5e5914e1a7f1fcce8fc42bffeeccdd2d4e5eeb5f7fafca67062", kill_on_drop: false }`
[INFO] [stdout] b68e234bd2dcf5e5914e1a7f1fcce8fc42bffeeccdd2d4e5eeb5f7fafca67062
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-7-tc2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-7-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=warn" "-e" "RUSTDOCFLAGS=--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@sha256:2788e3201cd34a07e3172128adcd8b3090168a8e3bcc40d7c032b9dda1df7d1c" "/opt/rustwide/cargo-home/bin/cargo" "+beta-2024-02-10" "test" "--frozen", kill_on_drop: false }`
[INFO] [stdout] cb0ff7ada94d7ec797906dda3b580021740d490c506bf157548840f2d92ffed4
[INFO] running `Command { std: "docker" "start" "-a" "cb0ff7ada94d7ec797906dda3b580021740d490c506bf157548840f2d92ffed4", kill_on_drop: false }`
[INFO] [stderr] warning: unused import: `self::parser::*`
[INFO] [stderr]   --> src/ast/mod.rs:73:9
[INFO] [stderr]    |
[INFO] [stderr] 73 | pub use self::parser::*;
[INFO] [stderr]    |         ^^^^^^^^^^^^^^^
[INFO] [stderr]    |
[INFO] [stderr]    = note: `#[warn(unused_imports)]` on by default
[INFO] [stderr] 
[INFO] [stderr] warning: field `0` is never read
[INFO] [stderr]   --> src/ast/binary_op.rs:17:29
[INFO] [stderr]    |
[INFO] [stderr] 17 | pub struct UndefinedOpError(String);
[INFO] [stderr]    |            ---------------- ^^^^^^
[INFO] [stderr]    |            |
[INFO] [stderr]    |            field in this struct
[INFO] [stderr]    |
[INFO] [stderr]    = note: `UndefinedOpError` has a derived impl for the trait `Debug`, but this is intentionally ignored during dead code analysis
[INFO] [stderr]    = note: `#[warn(dead_code)]` on by default
[INFO] [stderr] help: consider changing the field to be of unit type to suppress this warning while preserving the field numbering, or remove the field
[INFO] [stderr]    |
[INFO] [stderr] 17 | pub struct UndefinedOpError(());
[INFO] [stderr]    |                             ~~
[INFO] [stderr] 
[INFO] [stderr] warning: field `0` is never read
[INFO] [stderr]   --> src/ast/prefix_op.rs:12:35
[INFO] [stderr]    |
[INFO] [stderr] 12 | pub struct UndefinedPrefixOpError(String);
[INFO] [stderr]    |            ---------------------- ^^^^^^
[INFO] [stderr]    |            |
[INFO] [stderr]    |            field in this struct
[INFO] [stderr]    |
[INFO] [stderr]    = note: `UndefinedPrefixOpError` has a derived impl for the trait `Debug`, but this is intentionally ignored during dead code analysis
[INFO] [stderr] help: consider changing the field to be of unit type to suppress this warning while preserving the field numbering, or remove the field
[INFO] [stderr]    |
[INFO] [stderr] 12 | pub struct UndefinedPrefixOpError(());
[INFO] [stderr]    |                                   ~~
[INFO] [stderr] 
[INFO] [stderr] warning: field `0` is never read
[INFO] [stderr]   --> src/typechecker/variabletype.rs:29:31
[INFO] [stderr]    |
[INFO] [stderr] 29 | pub struct VariableParseError(String);
[INFO] [stderr]    |            ------------------ ^^^^^^
[INFO] [stderr]    |            |
[INFO] [stderr]    |            field in this struct
[INFO] [stderr]    |
[INFO] [stderr] help: consider changing the field to be of unit type to suppress this warning while preserving the field numbering, or remove the field
[INFO] [stderr]    |
[INFO] [stderr] 29 | pub struct VariableParseError(());
[INFO] [stderr]    |                               ~~
[INFO] [stderr] 
[INFO] [stderr] warning: unnecessary allocation, use `&` instead
[INFO] [stderr]    --> src/typechecker/variabletype.rs:134:40
[INFO] [stderr]     |
[INFO] [stderr] 134 |                 if *other_item_type == Box::new(Char) {
[INFO] [stderr]     |                                        ^^^^^^^^^^^^^^
[INFO] [stderr]     |
[INFO] [stderr]     = note: `#[warn(unused_allocation)]` on by default
[INFO] [stderr] 
[INFO] [stderr] warning: unnecessary allocation, use `&` instead
[INFO] [stderr]    --> src/typechecker/variabletype.rs:143:34
[INFO] [stderr]     |
[INFO] [stderr] 143 |                 if *item_type == Box::new(Char) {
[INFO] [stderr]     |                                  ^^^^^^^^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: `y-lang` (lib) generated 6 warnings (run `cargo fix --lib -p y-lang` to apply 1 suggestion)
[INFO] [stderr] warning: `y-lang` (lib test) generated 6 warnings (6 duplicates)
[INFO] [stderr]     Finished test [unoptimized + debuginfo] target(s) in 0.03s
[INFO] [stderr]      Running unittests src/lib.rs (/opt/rustwide/target/debug/deps/y_lang-d6717a1849cc0ed1)
[INFO] [stdout] 
[INFO] [stdout] running 4 tests
[INFO] [stdout] test typechecker::variabletype::tests::test_conver_to_unknown ... ok
[INFO] [stdout] test typechecker::variabletype::tests::test_convert_from_any ... ok
[INFO] [stdout] test typechecker::variabletype::tests::test_convert_to_any ... ok
[INFO] [stdout] test typechecker::variabletype::tests::test_convert_from_unknown ... ok
[INFO] [stdout] 
[INFO] [stdout] test result: ok. 4 passed; 0 failed; 0 ignored; 0 measured; 0 filtered out; finished in 0.00s
[INFO] [stdout] 
[INFO] [stderr]      Running unittests src/bin/why/main.rs (/opt/rustwide/target/debug/deps/why-3857a4ec50e559f5)
[INFO] [stdout] 
[INFO] [stdout] running 0 tests
[INFO] [stdout] 
[INFO] [stdout] test result: ok. 0 passed; 0 failed; 0 ignored; 0 measured; 0 filtered out; finished in 0.00s
[INFO] [stdout] 
[INFO] [stderr]      Running tests/ackermann.rs (/opt/rustwide/target/debug/deps/ackermann-52262445bf9db418)
[INFO] [stdout] 
[INFO] [stdout] running 1 test
[INFO] [stdout] test compile_and_run_ackermann ... FAILED
[INFO] [stdout] 
[INFO] [stdout] failures:
[INFO] [stdout] 
[INFO] [stdout] ---- compile_and_run_ackermann stdout ----
[INFO] [stdout] Error: Os { code: 2, kind: NotFound, message: "No such file or directory" }
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] failures:
[INFO] [stdout]     compile_and_run_ackermann
[INFO] [stdout] 
[INFO] [stdout] test result: FAILED. 0 passed; 1 failed; 0 ignored; 0 measured; 0 filtered out; finished in 0.00s
[INFO] [stdout] 
[INFO] [stderr] error: test failed, to rerun pass `--test ackermann`
[INFO] running `Command { std: "docker" "inspect" "cb0ff7ada94d7ec797906dda3b580021740d490c506bf157548840f2d92ffed4", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "cb0ff7ada94d7ec797906dda3b580021740d490c506bf157548840f2d92ffed4", kill_on_drop: false }`
[INFO] [stdout] cb0ff7ada94d7ec797906dda3b580021740d490c506bf157548840f2d92ffed4
