[INFO] cloning repository https://github.com/zero-frost/church-rs
[INFO] running `Command { std: "git" "-c" "credential.helper=" "-c" "credential.helper=/workspace/cargo-home/bin/git-credential-null" "clone" "--bare" "https://github.com/zero-frost/church-rs" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fzero-frost%2Fchurch-rs", kill_on_drop: false }`
[INFO] [stderr] Cloning into bare repository '/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fzero-frost%2Fchurch-rs'...
[INFO] running `Command { std: "git" "rev-parse" "HEAD", kill_on_drop: false }`
[INFO] [stdout] 6247f8c86a2f1457e7d27098701ca55c085142ff
[INFO] testing zero-frost/church-rs against beta-2022-04-10 for beta-1.61-1
[INFO] running `Command { std: "git" "clone" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fzero-frost%2Fchurch-rs" "/workspace/builds/worker-42/source", kill_on_drop: false }`
[INFO] [stderr] Cloning into '/workspace/builds/worker-42/source'...
[INFO] [stderr] done.
[INFO] validating manifest of git repo https://github.com/zero-frost/church-rs on toolchain beta-2022-04-10
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+beta-2022-04-10" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }`
[INFO] started tweaking git repo https://github.com/zero-frost/church-rs
[INFO] finished tweaking git repo https://github.com/zero-frost/church-rs
[INFO] tweaked toml for git repo https://github.com/zero-frost/church-rs written to /workspace/builds/worker-42/source/Cargo.toml
[INFO] crate git repo https://github.com/zero-frost/church-rs already has a lockfile, it will not be regenerated
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+beta-2022-04-10" "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-42/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-42/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:b0c94ce3c1162fcb8e57cac5b65ec2f72eabb1eebea4fcc35e269e823f681646" "/opt/rustwide/cargo-home/bin/cargo" "+beta-2022-04-10" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] c44d03edbdae74afa840e6d6baaaf3be2f8ee3875aa87fb37962b35e5c5bb23e
[INFO] running `Command { std: "docker" "start" "-a" "c44d03edbdae74afa840e6d6baaaf3be2f8ee3875aa87fb37962b35e5c5bb23e", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "c44d03edbdae74afa840e6d6baaaf3be2f8ee3875aa87fb37962b35e5c5bb23e", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "c44d03edbdae74afa840e6d6baaaf3be2f8ee3875aa87fb37962b35e5c5bb23e", kill_on_drop: false }`
[INFO] [stdout] c44d03edbdae74afa840e6d6baaaf3be2f8ee3875aa87fb37962b35e5c5bb23e
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-42/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-42/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:b0c94ce3c1162fcb8e57cac5b65ec2f72eabb1eebea4fcc35e269e823f681646" "/opt/rustwide/cargo-home/bin/cargo" "+beta-2022-04-10" "build" "--frozen" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] 2d411d20ef7e45e79554dd89ea181eeee2a23d48b9eaed00cdb533b2e3663982
[INFO] running `Command { std: "docker" "start" "-a" "2d411d20ef7e45e79554dd89ea181eeee2a23d48b9eaed00cdb533b2e3663982", kill_on_drop: false }`
[INFO] [stderr]     Blocking waiting for file lock on package cache
[INFO] [stderr]    Compiling libc v0.2.36
[INFO] [stderr]    Compiling memchr v1.0.2
[INFO] [stderr]    Compiling nom v3.2.1
[INFO] [stderr]    Compiling church v0.1.0 (/opt/rustwide/workdir)
[INFO] [stdout] warning[E0170]: pattern binding `ChurchIntParseError` is named the same as one of the variants of the type `ChurchParseError`
[INFO] [stdout]   --> src/main.rs:24:13
[INFO] [stdout]    |
[INFO] [stdout] 24 |             ChurchIntParseError => "Failed to parse value into integer",
[INFO] [stdout]    |             ^^^^^^^^^^^^^^^^^^^ help: to match on the variant, qualify the path: `ChurchParseError::ChurchIntParseError`
[INFO] [stdout]    |
[INFO] [stdout]    = note: `#[warn(bindings_with_variant_name)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning[E0170]: pattern binding `ChurchBoolParseError` is named the same as one of the variants of the type `ChurchParseError`
[INFO] [stdout]   --> src/main.rs:25:13
[INFO] [stdout]    |
[INFO] [stdout] 25 |             ChurchBoolParseError => "Failed to parse value into boolean",
[INFO] [stdout]    |             ^^^^^^^^^^^^^^^^^^^^ help: to match on the variant, qualify the path: `ChurchParseError::ChurchBoolParseError`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unreachable pattern
[INFO] [stdout]   --> src/main.rs:25:13
[INFO] [stdout]    |
[INFO] [stdout] 24 |             ChurchIntParseError => "Failed to parse value into integer",
[INFO] [stdout]    |             ------------------- matches any value
[INFO] [stdout] 25 |             ChurchBoolParseError => "Failed to parse value into boolean",
[INFO] [stdout]    |             ^^^^^^^^^^^^^^^^^^^^ unreachable pattern
[INFO] [stdout]    |
[INFO] [stdout]    = note: `#[warn(unreachable_patterns)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `ChurchIntParseError`
[INFO] [stdout]   --> src/main.rs:24:13
[INFO] [stdout]    |
[INFO] [stdout] 24 |             ChurchIntParseError => "Failed to parse value into integer",
[INFO] [stdout]    |             ^^^^^^^^^^^^^^^^^^^ help: if this is intentional, prefix it with an underscore: `_ChurchIntParseError`
[INFO] [stdout]    |
[INFO] [stdout]    = note: `#[warn(unused_variables)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `ChurchBoolParseError`
[INFO] [stdout]   --> src/main.rs:25:13
[INFO] [stdout]    |
[INFO] [stdout] 25 |             ChurchBoolParseError => "Failed to parse value into boolean",
[INFO] [stdout]    |             ^^^^^^^^^^^^^^^^^^^^ help: if this is intentional, prefix it with an underscore: `_ChurchBoolParseError`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `ret`
[INFO] [stdout]   --> src/main.rs:55:25
[INFO] [stdout]    |
[INFO] [stdout] 55 |                     Err(ret) => Err(ChurchParseError::ChurchIntParseError),
[INFO] [stdout]    |                         ^^^ help: if this is intentional, prefix it with an underscore: `_ret`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: variable `ChurchIntParseError` should have a snake case name
[INFO] [stdout]   --> src/main.rs:24:13
[INFO] [stdout]    |
[INFO] [stdout] 24 |             ChurchIntParseError => "Failed to parse value into integer",
[INFO] [stdout]    |             ^^^^^^^^^^^^^^^^^^^ help: convert the identifier to snake case: `church_int_parse_error`
[INFO] [stdout]    |
[INFO] [stdout]    = note: `#[warn(non_snake_case)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: variable `ChurchBoolParseError` should have a snake case name
[INFO] [stdout]   --> src/main.rs:25:13
[INFO] [stdout]    |
[INFO] [stdout] 25 |             ChurchBoolParseError => "Failed to parse value into boolean",
[INFO] [stdout]    |             ^^^^^^^^^^^^^^^^^^^^ help: convert the identifier to snake case: `church_bool_parse_error`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: 8 warnings emitted
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] For more information about this error, try `rustc --explain E0170`.
[INFO] [stdout] 
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 2m 16s
[INFO] running `Command { std: "docker" "inspect" "2d411d20ef7e45e79554dd89ea181eeee2a23d48b9eaed00cdb533b2e3663982", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "2d411d20ef7e45e79554dd89ea181eeee2a23d48b9eaed00cdb533b2e3663982", kill_on_drop: false }`
[INFO] [stdout] 2d411d20ef7e45e79554dd89ea181eeee2a23d48b9eaed00cdb533b2e3663982
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-42/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-42/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:b0c94ce3c1162fcb8e57cac5b65ec2f72eabb1eebea4fcc35e269e823f681646" "/opt/rustwide/cargo-home/bin/cargo" "+beta-2022-04-10" "test" "--frozen" "--no-run" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] c70659ec3f4b356704d6fa26f51f18307ec8484af6879eb1b5c682d33e6ff932
[INFO] running `Command { std: "docker" "start" "-a" "c70659ec3f4b356704d6fa26f51f18307ec8484af6879eb1b5c682d33e6ff932", kill_on_drop: false }`
[INFO] [stderr]     Blocking waiting for file lock on package cache
[INFO] [stderr]    Compiling church v0.1.0 (/opt/rustwide/workdir)
[INFO] [stdout] warning[E0170]: pattern binding `ChurchIntParseError` is named the same as one of the variants of the type `ChurchParseError`
[INFO] [stdout]   --> src/main.rs:24:13
[INFO] [stdout]    |
[INFO] [stdout] 24 |             ChurchIntParseError => "Failed to parse value into integer",
[INFO] [stdout]    |             ^^^^^^^^^^^^^^^^^^^ help: to match on the variant, qualify the path: `ChurchParseError::ChurchIntParseError`
[INFO] [stdout]    |
[INFO] [stdout]    = note: `#[warn(bindings_with_variant_name)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning[E0170]: pattern binding `ChurchBoolParseError` is named the same as one of the variants of the type `ChurchParseError`
[INFO] [stdout]   --> src/main.rs:25:13
[INFO] [stdout]    |
[INFO] [stdout] 25 |             ChurchBoolParseError => "Failed to parse value into boolean",
[INFO] [stdout]    |             ^^^^^^^^^^^^^^^^^^^^ help: to match on the variant, qualify the path: `ChurchParseError::ChurchBoolParseError`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unreachable pattern
[INFO] [stdout]   --> src/main.rs:25:13
[INFO] [stdout]    |
[INFO] [stdout] 24 |             ChurchIntParseError => "Failed to parse value into integer",
[INFO] [stdout]    |             ------------------- matches any value
[INFO] [stdout] 25 |             ChurchBoolParseError => "Failed to parse value into boolean",
[INFO] [stdout]    |             ^^^^^^^^^^^^^^^^^^^^ unreachable pattern
[INFO] [stdout]    |
[INFO] [stdout]    = note: `#[warn(unreachable_patterns)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `ChurchIntParseError`
[INFO] [stdout]   --> src/main.rs:24:13
[INFO] [stdout]    |
[INFO] [stdout] 24 |             ChurchIntParseError => "Failed to parse value into integer",
[INFO] [stdout]    |             ^^^^^^^^^^^^^^^^^^^ help: if this is intentional, prefix it with an underscore: `_ChurchIntParseError`
[INFO] [stdout]    |
[INFO] [stdout]    = note: `#[warn(unused_variables)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `ChurchBoolParseError`
[INFO] [stdout]   --> src/main.rs:25:13
[INFO] [stdout]    |
[INFO] [stdout] 25 |             ChurchBoolParseError => "Failed to parse value into boolean",
[INFO] [stdout]    |             ^^^^^^^^^^^^^^^^^^^^ help: if this is intentional, prefix it with an underscore: `_ChurchBoolParseError`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `ret`
[INFO] [stdout]   --> src/main.rs:55:25
[INFO] [stdout]    |
[INFO] [stdout] 55 |                     Err(ret) => Err(ChurchParseError::ChurchIntParseError),
[INFO] [stdout]    |                         ^^^ help: if this is intentional, prefix it with an underscore: `_ret`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: variable `ChurchIntParseError` should have a snake case name
[INFO] [stdout]   --> src/main.rs:24:13
[INFO] [stdout]    |
[INFO] [stdout] 24 |             ChurchIntParseError => "Failed to parse value into integer",
[INFO] [stdout]    |             ^^^^^^^^^^^^^^^^^^^ help: convert the identifier to snake case: `church_int_parse_error`
[INFO] [stdout]    |
[INFO] [stdout]    = note: `#[warn(non_snake_case)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: variable `ChurchBoolParseError` should have a snake case name
[INFO] [stdout]   --> src/main.rs:25:13
[INFO] [stdout]    |
[INFO] [stdout] 25 |             ChurchBoolParseError => "Failed to parse value into boolean",
[INFO] [stdout]    |             ^^^^^^^^^^^^^^^^^^^^ help: convert the identifier to snake case: `church_bool_parse_error`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: 8 warnings emitted
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr]     Finished test [unoptimized + debuginfo] target(s) in 27.77s
[INFO] [stdout] For more information about this error, try `rustc --explain E0170`.
[INFO] [stdout] 
[INFO] [stderr]   Executable unittests src/main.rs (/opt/rustwide/target/debug/deps/church-f1ea37521462c281)
[INFO] running `Command { std: "docker" "inspect" "c70659ec3f4b356704d6fa26f51f18307ec8484af6879eb1b5c682d33e6ff932", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "c70659ec3f4b356704d6fa26f51f18307ec8484af6879eb1b5c682d33e6ff932", kill_on_drop: false }`
[INFO] [stdout] c70659ec3f4b356704d6fa26f51f18307ec8484af6879eb1b5c682d33e6ff932
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-42/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-42/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:b0c94ce3c1162fcb8e57cac5b65ec2f72eabb1eebea4fcc35e269e823f681646" "/opt/rustwide/cargo-home/bin/cargo" "+beta-2022-04-10" "test" "--frozen", kill_on_drop: false }`
[INFO] [stdout] ee86e81fe80cf3c943f1d3f66fbe82aab753906e7e221fb85f1d351cd3232d2c
[INFO] running `Command { std: "docker" "start" "-a" "ee86e81fe80cf3c943f1d3f66fbe82aab753906e7e221fb85f1d351cd3232d2c", kill_on_drop: false }`
[INFO] [stderr]     Blocking waiting for file lock on package cache
[INFO] [stderr] warning[E0170]: pattern binding `ChurchIntParseError` is named the same as one of the variants of the type `ChurchParseError`
[INFO] [stderr]   --> src/main.rs:24:13
[INFO] [stderr]    |
[INFO] [stderr] 24 |             ChurchIntParseError => "Failed to parse value into integer",
[INFO] [stderr]    |             ^^^^^^^^^^^^^^^^^^^ help: to match on the variant, qualify the path: `ChurchParseError::ChurchIntParseError`
[INFO] [stderr]    |
[INFO] [stderr]    = note: `#[warn(bindings_with_variant_name)]` on by default
[INFO] [stderr] 
[INFO] [stderr] warning[E0170]: pattern binding `ChurchBoolParseError` is named the same as one of the variants of the type `ChurchParseError`
[INFO] [stderr]   --> src/main.rs:25:13
[INFO] [stderr]    |
[INFO] [stderr] 25 |             ChurchBoolParseError => "Failed to parse value into boolean",
[INFO] [stderr]    |             ^^^^^^^^^^^^^^^^^^^^ help: to match on the variant, qualify the path: `ChurchParseError::ChurchBoolParseError`
[INFO] [stderr] 
[INFO] [stderr] warning: unreachable pattern
[INFO] [stderr]   --> src/main.rs:25:13
[INFO] [stderr]    |
[INFO] [stderr] 24 |             ChurchIntParseError => "Failed to parse value into integer",
[INFO] [stderr]    |             ------------------- matches any value
[INFO] [stderr] 25 |             ChurchBoolParseError => "Failed to parse value into boolean",
[INFO] [stderr]    |             ^^^^^^^^^^^^^^^^^^^^ unreachable pattern
[INFO] [stderr]    |
[INFO] [stderr]    = note: `#[warn(unreachable_patterns)]` on by default
[INFO] [stderr] 
[INFO] [stderr] warning: unused variable: `ChurchIntParseError`
[INFO] [stderr]   --> src/main.rs:24:13
[INFO] [stderr]    |
[INFO] [stderr] 24 |             ChurchIntParseError => "Failed to parse value into integer",
[INFO] [stderr]    |             ^^^^^^^^^^^^^^^^^^^ help: if this is intentional, prefix it with an underscore: `_ChurchIntParseError`
[INFO] [stderr]    |
[INFO] [stderr]    = note: `#[warn(unused_variables)]` on by default
[INFO] [stderr] 
[INFO] [stderr] warning: unused variable: `ChurchBoolParseError`
[INFO] [stderr]   --> src/main.rs:25:13
[INFO] [stderr]    |
[INFO] [stderr] 25 |             ChurchBoolParseError => "Failed to parse value into boolean",
[INFO] [stderr]    |             ^^^^^^^^^^^^^^^^^^^^ help: if this is intentional, prefix it with an underscore: `_ChurchBoolParseError`
[INFO] [stderr] 
[INFO] [stderr] warning: unused variable: `ret`
[INFO] [stderr]   --> src/main.rs:55:25
[INFO] [stderr]    |
[INFO] [stderr] 55 |                     Err(ret) => Err(ChurchParseError::ChurchIntParseError),
[INFO] [stderr]    |                         ^^^ help: if this is intentional, prefix it with an underscore: `_ret`
[INFO] [stderr] 
[INFO] [stderr] warning: variable `ChurchIntParseError` should have a snake case name
[INFO] [stderr]   --> src/main.rs:24:13
[INFO] [stderr]    |
[INFO] [stderr] 24 |             ChurchIntParseError => "Failed to parse value into integer",
[INFO] [stderr]    |             ^^^^^^^^^^^^^^^^^^^ help: convert the identifier to snake case: `church_int_parse_error`
[INFO] [stderr]    |
[INFO] [stderr]    = note: `#[warn(non_snake_case)]` on by default
[INFO] [stderr] 
[INFO] [stderr] warning: variable `ChurchBoolParseError` should have a snake case name
[INFO] [stderr]   --> src/main.rs:25:13
[INFO] [stderr]    |
[INFO] [stderr] 25 |             ChurchBoolParseError => "Failed to parse value into boolean",
[INFO] [stderr]    |             ^^^^^^^^^^^^^^^^^^^^ help: convert the identifier to snake case: `church_bool_parse_error`
[INFO] [stderr] 
[INFO] [stderr] For more information about this error, try `rustc --explain E0170`.
[INFO] [stderr] warning: `church` (bin "church" test) generated 8 warnings
[INFO] [stderr]     Finished test [unoptimized + debuginfo] target(s) in 3.86s
[INFO] [stderr]      Running unittests src/main.rs (/opt/rustwide/target/debug/deps/church-f1ea37521462c281)
[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" "ee86e81fe80cf3c943f1d3f66fbe82aab753906e7e221fb85f1d351cd3232d2c", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "ee86e81fe80cf3c943f1d3f66fbe82aab753906e7e221fb85f1d351cd3232d2c", kill_on_drop: false }`
[INFO] [stdout] ee86e81fe80cf3c943f1d3f66fbe82aab753906e7e221fb85f1d351cd3232d2c