[INFO] cloning repository https://github.com/sezna/rost
[INFO] running `Command { std: "git" "-c" "credential.helper=" "-c" "credential.helper=/workspace/cargo-home/bin/git-credential-null" "clone" "--bare" "https://github.com/sezna/rost" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fsezna%2Frost", kill_on_drop: false }`
[INFO] [stderr] Cloning into bare repository '/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fsezna%2Frost'...
[INFO] running `Command { std: "git" "rev-parse" "HEAD", kill_on_drop: false }`
[INFO] [stdout] 847e452c04976bfa3c60b9afcb7ef0ed08e3728e
[INFO] testing sezna/rost against 1.52.1 for beta-1.52-2
[INFO] running `Command { std: "git" "clone" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fsezna%2Frost" "/workspace/builds/worker-7/source", kill_on_drop: false }`
[INFO] [stderr] Cloning into '/workspace/builds/worker-7/source'...
[INFO] [stderr] done.
[INFO] validating manifest of git repo https://github.com/sezna/rost on toolchain 1.52.1
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+1.52.1" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }`
[INFO] started tweaking git repo https://github.com/sezna/rost
[INFO] finished tweaking git repo https://github.com/sezna/rost
[INFO] tweaked toml for git repo https://github.com/sezna/rost written to /workspace/builds/worker-7/source/Cargo.toml
[INFO] crate git repo https://github.com/sezna/rost already has a lockfile, it will not be regenerated
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+1.52.1" "fetch" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-7/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-7/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@sha256:20528e8c29e4536546f0102ce88568b16ea7538393a33fcca951030f7af10457" "/opt/rustwide/cargo-home/bin/cargo" "+1.52.1" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] 73ab235d63d20683f026e69986697034231fc4f1411024ad174fa6e189c64383
[INFO] [stderr] WARNING: Your kernel does not support swap limit capabilities or the cgroup is not mounted. Memory limited without swap.
[INFO] running `Command { std: "docker" "start" "-a" "73ab235d63d20683f026e69986697034231fc4f1411024ad174fa6e189c64383", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "73ab235d63d20683f026e69986697034231fc4f1411024ad174fa6e189c64383", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "73ab235d63d20683f026e69986697034231fc4f1411024ad174fa6e189c64383", kill_on_drop: false }`
[INFO] [stdout] 73ab235d63d20683f026e69986697034231fc4f1411024ad174fa6e189c64383
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-7/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-7/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@sha256:20528e8c29e4536546f0102ce88568b16ea7538393a33fcca951030f7af10457" "/opt/rustwide/cargo-home/bin/cargo" "+1.52.1" "build" "--frozen" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] 2d54dc40118b1ced2193e1fedd8747d56e906f7e45ef404b5b810cfc0bab5b49
[INFO] [stderr] WARNING: Your kernel does not support swap limit capabilities or the cgroup is not mounted. Memory limited without swap.
[INFO] running `Command { std: "docker" "start" "-a" "2d54dc40118b1ced2193e1fedd8747d56e906f7e45ef404b5b810cfc0bab5b49", kill_on_drop: false }`
[INFO] [stderr]    Compiling syn v1.0.54
[INFO] [stderr]    Compiling memchr v2.3.4
[INFO] [stderr]    Compiling funty v1.0.1
[INFO] [stderr]    Compiling nom v6.0.1
[INFO] [stderr]    Compiling bitvec v0.19.4
[INFO] [stderr]    Compiling thiserror-impl v1.0.22
[INFO] [stderr]    Compiling thiserror v1.0.22
[INFO] [stderr]    Compiling rost v0.1.0 (/opt/rustwide/workdir)
[INFO] [stdout] warning: unused import: `thiserror::Error`
[INFO] [stdout]   --> src/lib.rs:20:5
[INFO] [stdout]    |
[INFO] [stdout] 20 | use thiserror::Error;
[INFO] [stdout]    |     ^^^^^^^^^^^^^^^^
[INFO] [stdout]    |
[INFO] [stdout]    = note: `#[warn(unused_imports)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused import: `either::Either`
[INFO] [stdout]  --> src/parser.rs:2:5
[INFO] [stdout]   |
[INFO] [stdout] 2 | use either::Either;
[INFO] [stdout]   |     ^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `func_name`
[INFO] [stdout]   --> src/typed_expr.rs:23:17
[INFO] [stdout]    |
[INFO] [stdout] 23 |                 ref func_name,
[INFO] [stdout]    |                 ^^^^^^^^^^^^^ help: try ignoring the field: `func_name: _`
[INFO] [stdout]    |
[INFO] [stdout]    = note: `#[warn(unused_variables)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `args`
[INFO] [stdout]   --> src/typed_expr.rs:24:17
[INFO] [stdout]    |
[INFO] [stdout] 24 |                 args,
[INFO] [stdout]    |                 ^^^^ help: try ignoring the field: `args: _`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: enum is never used: `Visibility`
[INFO] [stdout]  --> src/transpilation/mod.rs:3:6
[INFO] [stdout]   |
[INFO] [stdout] 3 | enum Visibility {
[INFO] [stdout]   |      ^^^^^^^^^^
[INFO] [stdout]   |
[INFO] [stdout]   = note: `#[warn(dead_code)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: struct is never constructed: `Function`
[INFO] [stdout]  --> src/transpilation/mod.rs:8:8
[INFO] [stdout]   |
[INFO] [stdout] 8 | struct Function {
[INFO] [stdout]   |        ^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: associated function is never used: `type_args_string`
[INFO] [stdout]   --> src/transpilation/mod.rs:18:8
[INFO] [stdout]    |
[INFO] [stdout] 18 |     fn type_args_string(&self) -> Rust {
[INFO] [stdout]    |        ^^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: associated function is never used: `to_rust_code`
[INFO] [stdout]   --> src/transpilation/mod.rs:25:8
[INFO] [stdout]    |
[INFO] [stdout] 25 |     fn to_rust_code(&self) -> Rust {
[INFO] [stdout]    |        ^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: associated function is never used: `visibility_string`
[INFO] [stdout]   --> src/transpilation/mod.rs:37:8
[INFO] [stdout]    |
[INFO] [stdout] 37 |     fn visibility_string(&self) -> String {
[INFO] [stdout]    |        ^^^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: associated function is never used: `args_string`
[INFO] [stdout]   --> src/transpilation/mod.rs:46:8
[INFO] [stdout]    |
[INFO] [stdout] 46 |     fn args_string(&self) -> String {
[INFO] [stdout]    |        ^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: associated function is never used: `return_type_string`
[INFO] [stdout]   --> src/transpilation/mod.rs:54:8
[INFO] [stdout]    |
[INFO] [stdout] 54 |     fn return_type_string(&self) -> String {
[INFO] [stdout]    |        ^^^^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: type alias is never used: `Rust`
[INFO] [stdout]   --> src/transpilation/mod.rs:63:1
[INFO] [stdout]    |
[INFO] [stdout] 63 | type Rust = String;
[INFO] [stdout]    | ^^^^^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: associated function is never used: `to_rust_string`
[INFO] [stdout]   --> src/types.rs:54:19
[INFO] [stdout]    |
[INFO] [stdout] 54 |     pub(crate) fn to_rust_string(&self) -> String {
[INFO] [stdout]    |                   ^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: 13 warnings emitted
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 25.96s
[INFO] running `Command { std: "docker" "inspect" "2d54dc40118b1ced2193e1fedd8747d56e906f7e45ef404b5b810cfc0bab5b49", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "2d54dc40118b1ced2193e1fedd8747d56e906f7e45ef404b5b810cfc0bab5b49", kill_on_drop: false }`
[INFO] [stdout] 2d54dc40118b1ced2193e1fedd8747d56e906f7e45ef404b5b810cfc0bab5b49
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-7/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-7/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@sha256:20528e8c29e4536546f0102ce88568b16ea7538393a33fcca951030f7af10457" "/opt/rustwide/cargo-home/bin/cargo" "+1.52.1" "test" "--frozen" "--no-run" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] bc7a796613dcfa6dce8d30c89dcf9613868c40cddd1c832701c0fda6b9b8f028
[INFO] [stderr] WARNING: Your kernel does not support swap limit capabilities or the cgroup is not mounted. Memory limited without swap.
[INFO] running `Command { std: "docker" "start" "-a" "bc7a796613dcfa6dce8d30c89dcf9613868c40cddd1c832701c0fda6b9b8f028", kill_on_drop: false }`
[INFO] [stdout] warning: unused import: `thiserror::Error`
[INFO] [stdout]   --> src/lib.rs:20:5
[INFO] [stdout]    |
[INFO] [stdout] 20 | use thiserror::Error;
[INFO] [stdout]    |     ^^^^^^^^^^^^^^^^
[INFO] [stdout]    |
[INFO] [stdout]    = note: `#[warn(unused_imports)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused import: `either::Either`
[INFO] [stdout]  --> src/parser.rs:2:5
[INFO] [stdout]   |
[INFO] [stdout] 2 | use either::Either;
[INFO] [stdout]   |     ^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `func_name`
[INFO] [stdout]   --> src/typed_expr.rs:23:17
[INFO] [stdout]    |
[INFO] [stdout] 23 |                 ref func_name,
[INFO] [stdout]    |                 ^^^^^^^^^^^^^ help: try ignoring the field: `func_name: _`
[INFO] [stdout]    |
[INFO] [stdout]    = note: `#[warn(unused_variables)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `args`
[INFO] [stdout]   --> src/typed_expr.rs:24:17
[INFO] [stdout]    |
[INFO] [stdout] 24 |                 args,
[INFO] [stdout]    |                 ^^^^ help: try ignoring the field: `args: _`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: enum is never used: `Visibility`
[INFO] [stdout]  --> src/transpilation/mod.rs:3:6
[INFO] [stdout]   |
[INFO] [stdout] 3 | enum Visibility {
[INFO] [stdout]   |      ^^^^^^^^^^
[INFO] [stdout]   |
[INFO] [stdout]   = note: `#[warn(dead_code)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: struct is never constructed: `Function`
[INFO] [stdout]  --> src/transpilation/mod.rs:8:8
[INFO] [stdout]   |
[INFO] [stdout] 8 | struct Function {
[INFO] [stdout]   |        ^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: associated function is never used: `type_args_string`
[INFO] [stdout]   --> src/transpilation/mod.rs:18:8
[INFO] [stdout]    |
[INFO] [stdout] 18 |     fn type_args_string(&self) -> Rust {
[INFO] [stdout]    |        ^^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: associated function is never used: `to_rust_code`
[INFO] [stdout]   --> src/transpilation/mod.rs:25:8
[INFO] [stdout]    |
[INFO] [stdout] 25 |     fn to_rust_code(&self) -> Rust {
[INFO] [stdout]    |        ^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: associated function is never used: `visibility_string`
[INFO] [stdout]   --> src/transpilation/mod.rs:37:8
[INFO] [stdout]    |
[INFO] [stdout] 37 |     fn visibility_string(&self) -> String {
[INFO] [stdout]    |        ^^^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: associated function is never used: `args_string`
[INFO] [stdout]   --> src/transpilation/mod.rs:46:8
[INFO] [stdout]    |
[INFO] [stdout] 46 |     fn args_string(&self) -> String {
[INFO] [stdout]    |        ^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: associated function is never used: `return_type_string`
[INFO] [stdout]   --> src/transpilation/mod.rs:54:8
[INFO] [stdout]    |
[INFO] [stdout] 54 |     fn return_type_string(&self) -> String {
[INFO] [stdout]    |        ^^^^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: type alias is never used: `Rust`
[INFO] [stdout]   --> src/transpilation/mod.rs:63:1
[INFO] [stdout]    |
[INFO] [stdout] 63 | type Rust = String;
[INFO] [stdout]    | ^^^^^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: associated function is never used: `to_rust_string`
[INFO] [stdout]   --> src/types.rs:54:19
[INFO] [stdout]    |
[INFO] [stdout] 54 |     pub(crate) fn to_rust_string(&self) -> String {
[INFO] [stdout]    |                   ^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: 13 warnings emitted
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr]    Compiling rost v0.1.0 (/opt/rustwide/workdir)
[INFO] [stdout] warning: unused import: `thiserror::Error`
[INFO] [stdout]   --> src/lib.rs:20:5
[INFO] [stdout]    |
[INFO] [stdout] 20 | use thiserror::Error;
[INFO] [stdout]    |     ^^^^^^^^^^^^^^^^
[INFO] [stdout]    |
[INFO] [stdout]    = note: `#[warn(unused_imports)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused import: `either::Either`
[INFO] [stdout]  --> src/parser.rs:2:5
[INFO] [stdout]   |
[INFO] [stdout] 2 | use either::Either;
[INFO] [stdout]   |     ^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `func_name`
[INFO] [stdout]   --> src/typed_expr.rs:23:17
[INFO] [stdout]    |
[INFO] [stdout] 23 |                 ref func_name,
[INFO] [stdout]    |                 ^^^^^^^^^^^^^ help: try ignoring the field: `func_name: _`
[INFO] [stdout]    |
[INFO] [stdout]    = note: `#[warn(unused_variables)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `args`
[INFO] [stdout]   --> src/typed_expr.rs:24:17
[INFO] [stdout]    |
[INFO] [stdout] 24 |                 args,
[INFO] [stdout]    |                 ^^^^ help: try ignoring the field: `args: _`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: variant is never constructed: `PublicToCrate`
[INFO] [stdout]  --> src/transpilation/mod.rs:5:5
[INFO] [stdout]   |
[INFO] [stdout] 5 |     PublicToCrate,
[INFO] [stdout]   |     ^^^^^^^^^^^^^
[INFO] [stdout]   |
[INFO] [stdout]   = note: `#[warn(dead_code)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: variant is never constructed: `Private`
[INFO] [stdout]  --> src/transpilation/mod.rs:6:5
[INFO] [stdout]   |
[INFO] [stdout] 6 |     Private,
[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 2.81s
[INFO] running `Command { std: "docker" "inspect" "bc7a796613dcfa6dce8d30c89dcf9613868c40cddd1c832701c0fda6b9b8f028", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "bc7a796613dcfa6dce8d30c89dcf9613868c40cddd1c832701c0fda6b9b8f028", kill_on_drop: false }`
[INFO] [stdout] bc7a796613dcfa6dce8d30c89dcf9613868c40cddd1c832701c0fda6b9b8f028
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-7/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-7/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@sha256:20528e8c29e4536546f0102ce88568b16ea7538393a33fcca951030f7af10457" "/opt/rustwide/cargo-home/bin/cargo" "+1.52.1" "test" "--frozen", kill_on_drop: false }`
[INFO] [stdout] 1b8f3b5254f27523946658d11f404e88bf5a38d5e1ab22d66f23583ed8d52c32
[INFO] [stderr] WARNING: Your kernel does not support swap limit capabilities or the cgroup is not mounted. Memory limited without swap.
[INFO] running `Command { std: "docker" "start" "-a" "1b8f3b5254f27523946658d11f404e88bf5a38d5e1ab22d66f23583ed8d52c32", kill_on_drop: false }`
[INFO] [stderr] warning: unused import: `thiserror::Error`
[INFO] [stderr]   --> src/lib.rs:20:5
[INFO] [stderr]    |
[INFO] [stderr] 20 | use thiserror::Error;
[INFO] [stderr]    |     ^^^^^^^^^^^^^^^^
[INFO] [stderr]    |
[INFO] [stderr]    = note: `#[warn(unused_imports)]` on by default
[INFO] [stderr] 
[INFO] [stderr] warning: unused import: `either::Either`
[INFO] [stderr]  --> src/parser.rs:2:5
[INFO] [stderr]   |
[INFO] [stderr] 2 | use either::Either;
[INFO] [stderr]   |     ^^^^^^^^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: unused variable: `func_name`
[INFO] [stderr]   --> src/typed_expr.rs:23:17
[INFO] [stderr]    |
[INFO] [stderr] 23 |                 ref func_name,
[INFO] [stderr]    |                 ^^^^^^^^^^^^^ help: try ignoring the field: `func_name: _`
[INFO] [stderr]    |
[INFO] [stderr]    = note: `#[warn(unused_variables)]` on by default
[INFO] [stderr] 
[INFO] [stderr] warning: unused variable: `args`
[INFO] [stderr]   --> src/typed_expr.rs:24:17
[INFO] [stderr]    |
[INFO] [stderr] 24 |                 args,
[INFO] [stderr]    |                 ^^^^ help: try ignoring the field: `args: _`
[INFO] [stderr] 
[INFO] [stderr] warning: enum is never used: `Visibility`
[INFO] [stderr]  --> src/transpilation/mod.rs:3:6
[INFO] [stderr]   |
[INFO] [stderr] 3 | enum Visibility {
[INFO] [stderr]   |      ^^^^^^^^^^
[INFO] [stderr]   |
[INFO] [stderr]   = note: `#[warn(dead_code)]` on by default
[INFO] [stderr] 
[INFO] [stderr] warning: struct is never constructed: `Function`
[INFO] [stderr]  --> src/transpilation/mod.rs:8:8
[INFO] [stderr]   |
[INFO] [stderr] 8 | struct Function {
[INFO] [stderr]   |        ^^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: associated function is never used: `type_args_string`
[INFO] [stderr]   --> src/transpilation/mod.rs:18:8
[INFO] [stderr]    |
[INFO] [stderr] 18 |     fn type_args_string(&self) -> Rust {
[INFO] [stderr]    |        ^^^^^^^^^^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: associated function is never used: `to_rust_code`
[INFO] [stderr]   --> src/transpilation/mod.rs:25:8
[INFO] [stderr]    |
[INFO] [stderr] 25 |     fn to_rust_code(&self) -> Rust {
[INFO] [stderr]    |        ^^^^^^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: associated function is never used: `visibility_string`
[INFO] [stderr]   --> src/transpilation/mod.rs:37:8
[INFO] [stderr]    |
[INFO] [stderr] 37 |     fn visibility_string(&self) -> String {
[INFO] [stderr]    |        ^^^^^^^^^^^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: associated function is never used: `args_string`
[INFO] [stderr]   --> src/transpilation/mod.rs:46:8
[INFO] [stderr]    |
[INFO] [stderr] 46 |     fn args_string(&self) -> String {
[INFO] [stderr]    |        ^^^^^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: associated function is never used: `return_type_string`
[INFO] [stderr]   --> src/transpilation/mod.rs:54:8
[INFO] [stderr]    |
[INFO] [stderr] 54 |     fn return_type_string(&self) -> String {
[INFO] [stderr]    |        ^^^^^^^^^^^^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: type alias is never used: `Rust`
[INFO] [stderr]   --> src/transpilation/mod.rs:63:1
[INFO] [stderr]    |
[INFO] [stderr] 63 | type Rust = String;
[INFO] [stderr]    | ^^^^^^^^^^^^^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: associated function is never used: `to_rust_string`
[INFO] [stderr]   --> src/types.rs:54:19
[INFO] [stderr]    |
[INFO] [stderr] 54 |     pub(crate) fn to_rust_string(&self) -> String {
[INFO] [stderr]    |                   ^^^^^^^^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: 13 warnings emitted
[INFO] [stderr] 
[INFO] [stderr] warning: unused import: `thiserror::Error`
[INFO] [stderr]   --> src/lib.rs:20:5
[INFO] [stderr]    |
[INFO] [stderr] 20 | use thiserror::Error;
[INFO] [stderr]    |     ^^^^^^^^^^^^^^^^
[INFO] [stderr]    |
[INFO] [stderr]    = note: `#[warn(unused_imports)]` on by default
[INFO] [stderr] 
[INFO] [stderr] warning: unused import: `either::Either`
[INFO] [stderr]  --> src/parser.rs:2:5
[INFO] [stderr]   |
[INFO] [stderr] 2 | use either::Either;
[INFO] [stderr]   |     ^^^^^^^^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: unused variable: `func_name`
[INFO] [stderr]   --> src/typed_expr.rs:23:17
[INFO] [stderr]    |
[INFO] [stderr] 23 |                 ref func_name,
[INFO] [stderr]    |                 ^^^^^^^^^^^^^ help: try ignoring the field: `func_name: _`
[INFO] [stderr]    |
[INFO] [stderr]    = note: `#[warn(unused_variables)]` on by default
[INFO] [stderr] 
[INFO] [stderr] warning: unused variable: `args`
[INFO] [stderr]   --> src/typed_expr.rs:24:17
[INFO] [stderr]    |
[INFO] [stderr] 24 |                 args,
[INFO] [stderr]    |                 ^^^^ help: try ignoring the field: `args: _`
[INFO] [stderr] 
[INFO] [stderr] warning: variant is never constructed: `PublicToCrate`
[INFO] [stderr]  --> src/transpilation/mod.rs:5:5
[INFO] [stderr]   |
[INFO] [stderr] 5 |     PublicToCrate,
[INFO] [stderr]   |     ^^^^^^^^^^^^^
[INFO] [stderr]   |
[INFO] [stderr]   = note: `#[warn(dead_code)]` on by default
[INFO] [stderr] 
[INFO] [stderr] warning: variant is never constructed: `Private`
[INFO] [stderr]  --> src/transpilation/mod.rs:6:5
[INFO] [stderr]   |
[INFO] [stderr] 6 |     Private,
[INFO] [stderr]   |     ^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: 6 warnings emitted
[INFO] [stderr] 
[INFO] [stderr]     Finished test [unoptimized + debuginfo] target(s) in 0.04s
[INFO] [stderr]      Running unittests (/opt/rustwide/target/debug/deps/rost-c555763790ead555)
[INFO] [stdout] 
[INFO] [stdout] running 1 test
[INFO] [stderr]      Running tests/test.rs (/opt/rustwide/target/debug/deps/test-9c368206076b8e42)
[INFO] [stdout] test transpilation::test_fn ... ok
[INFO] [stdout] 
[INFO] [stdout] test result: ok. 1 passed; 0 failed; 0 ignored; 0 measured; 0 filtered out; finished in 0.01s
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] running 13 tests
[INFO] [stdout] test basic_return_type ... ok
[INFO] [stdout] test parse_type_annotation_2 ... ok
[INFO] [stdout] test tuple_type_annotation_2 ... ok
[INFO] [stdout] test parse_type_annotation_3 ... ok
[INFO] [stdout] test chained_type_inference_from_annotation ... ok
[INFO] [stdout] test tuple_type_annotation ... ok
[INFO] [stdout] test tuple_expr ... ok
[INFO] [stdout] test func_app_return_type ... ok
[INFO] [stdout] test basic_prog_1 ... ok
[INFO] [stdout] test parse_type_annotation_1 ... ok
[INFO] [stdout] test parse_trait ... ok
[INFO] [stdout] test basic_prog_2 ... ok
[INFO] [stdout] test func_app_return_type_3 ... ok
[INFO] [stdout] 
[INFO] [stdout] test result: ok. 13 passed; 0 failed; 0 ignored; 0 measured; 0 filtered out; finished in 0.01s
[INFO] [stdout] 
[INFO] [stderr]    Doc-tests rost
[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] running `Command { std: "docker" "inspect" "1b8f3b5254f27523946658d11f404e88bf5a38d5e1ab22d66f23583ed8d52c32", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "1b8f3b5254f27523946658d11f404e88bf5a38d5e1ab22d66f23583ed8d52c32", kill_on_drop: false }`
[INFO] [stdout] 1b8f3b5254f27523946658d11f404e88bf5a38d5e1ab22d66f23583ed8d52c32