[INFO] updating cached repository zero-frost/church-rs
[INFO] running `"git" "fetch" "--all"`
[INFO] [stdout] Fetching origin
[INFO] [stderr] From git://github.com/zero-frost/church-rs
[INFO] [stderr]  * branch            HEAD       -> FETCH_HEAD
[INFO] running `"git" "clone" "work/cache/sources/gh/zero-frost/church-rs" "work/ex/pr-57745/sources/master#f613dc138b4012cf3d2eb40718fbcc7cf0a34039/gh/zero-frost/church-rs"`
[INFO] [stderr] Cloning into 'work/ex/pr-57745/sources/master#f613dc138b4012cf3d2eb40718fbcc7cf0a34039/gh/zero-frost/church-rs'...
[INFO] [stderr] done.
[INFO] running `"git" "clone" "work/cache/sources/gh/zero-frost/church-rs" "work/ex/pr-57745/sources/try#29640c57b5f92febba0e40c50cb863c9a7ede51d/gh/zero-frost/church-rs"`
[INFO] [stderr] Cloning into 'work/ex/pr-57745/sources/try#29640c57b5f92febba0e40c50cb863c9a7ede51d/gh/zero-frost/church-rs'...
[INFO] [stderr] done.
[INFO] running `"git" "rev-parse" "HEAD"`
[INFO] [stdout] 6247f8c86a2f1457e7d27098701ca55c085142ff
[INFO] sha for GitHub repo zero-frost/church-rs: 6247f8c86a2f1457e7d27098701ca55c085142ff
[INFO] validating manifest of zero-frost/church-rs on toolchain master#f613dc138b4012cf3d2eb40718fbcc7cf0a34039
[INFO] running `"/mnt/big/crater/work/local/cargo-home/bin/cargo" "+f613dc138b4012cf3d2eb40718fbcc7cf0a34039-alt" "read-manifest" "--manifest-path" "Cargo.toml"`
[INFO] validating manifest of zero-frost/church-rs on toolchain try#29640c57b5f92febba0e40c50cb863c9a7ede51d
[INFO] running `"/mnt/big/crater/work/local/cargo-home/bin/cargo" "+29640c57b5f92febba0e40c50cb863c9a7ede51d-alt" "read-manifest" "--manifest-path" "Cargo.toml"`
[INFO] started frobbing zero-frost/church-rs
[INFO] finished frobbing zero-frost/church-rs
[INFO] frobbed toml for zero-frost/church-rs written to work/ex/pr-57745/sources/master#f613dc138b4012cf3d2eb40718fbcc7cf0a34039/gh/zero-frost/church-rs/Cargo.toml
[INFO] started frobbing zero-frost/church-rs
[INFO] finished frobbing zero-frost/church-rs
[INFO] frobbed toml for zero-frost/church-rs written to work/ex/pr-57745/sources/try#29640c57b5f92febba0e40c50cb863c9a7ede51d/gh/zero-frost/church-rs/Cargo.toml
[INFO] crate zero-frost/church-rs has a lockfile. skipping
[INFO] running `"/mnt/big/crater/work/local/cargo-home/bin/cargo" "+f613dc138b4012cf3d2eb40718fbcc7cf0a34039-alt" "fetch" "--locked" "--manifest-path" "Cargo.toml"`
[INFO] running `"/mnt/big/crater/work/local/cargo-home/bin/cargo" "+29640c57b5f92febba0e40c50cb863c9a7ede51d-alt" "fetch" "--locked" "--manifest-path" "Cargo.toml"`
[INFO] checking zero-frost/church-rs against try#29640c57b5f92febba0e40c50cb863c9a7ede51d for pr-57745
[INFO] running `"docker" "create" "-v" "/mnt/big/crater/work/local/target-dirs/pr-57745/worker-4/try#29640c57b5f92febba0e40c50cb863c9a7ede51d:/opt/crater/target:rw,Z" "-v" "/mnt/big/crater/work/ex/pr-57745/sources/try#29640c57b5f92febba0e40c50cb863c9a7ede51d/gh/zero-frost/church-rs:/opt/crater/workdir:ro,Z" "-v" "/mnt/big/crater/work/local/cargo-home:/opt/crater/cargo-home:ro,Z" "-v" "/mnt/big/crater/work/local/rustup-home:/opt/crater/rustup-home:ro,Z" "-e" "USER_ID=1000" "-e" "SOURCE_DIR=/opt/crater/workdir" "-e" "MAP_USER_ID=1000" "-e" "CARGO_TARGET_DIR=/opt/crater/target" "-e" "CARGO_INCREMENTAL=0" "-e" "RUST_BACKTRACE=full" "-e" "RUSTFLAGS=--cap-lints=forbid" "-e" "CARGO_HOME=/opt/crater/cargo-home" "-e" "RUSTUP_HOME=/opt/crater/rustup-home" "-w" "/opt/crater/workdir" "-m" "1536M" "--network" "none" "rustops/crates-build-env" "/opt/crater/cargo-home/bin/cargo" "+29640c57b5f92febba0e40c50cb863c9a7ede51d-alt" "check" "--frozen" "--all" "--all-targets"`
[INFO] [stdout] b3f4fd8a5772e0178cf938057dcd7b70b950d1adec08ae88713cd558344f473e
[INFO] running `"docker" "start" "-a" "b3f4fd8a5772e0178cf938057dcd7b70b950d1adec08ae88713cd558344f473e"`
[INFO] [stderr]     Checking libc v0.2.36
[INFO] [stderr]     Checking memchr v1.0.2
[INFO] [stderr]     Checking nom v3.2.1
[INFO] [stderr]     Checking church v0.1.0 (/opt/crater/workdir)
[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: consider using `_ChurchIntParseError` instead
[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: consider using `_ChurchBoolParseError` instead
[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: consider using `_ret` instead
[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] 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: consider using `_ChurchIntParseError` instead
[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: consider using `_ChurchBoolParseError` instead
[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: consider using `_ret` instead
[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]     Finished dev [unoptimized + debuginfo] target(s) in 4.01s
[INFO] running `"docker" "inspect" "b3f4fd8a5772e0178cf938057dcd7b70b950d1adec08ae88713cd558344f473e"`
[INFO] running `"docker" "rm" "-f" "b3f4fd8a5772e0178cf938057dcd7b70b950d1adec08ae88713cd558344f473e"`
[INFO] [stdout] b3f4fd8a5772e0178cf938057dcd7b70b950d1adec08ae88713cd558344f473e