[INFO] updating cached repository ruza-net/miful
[INFO] running `"git" "fetch" "--all"`
[INFO] [stdout] Fetching origin
[INFO] [stderr] From git://github.com/ruza-net/miful
[INFO] [stderr]  * branch            HEAD       -> FETCH_HEAD
[INFO] running `"git" "clone" "work/cache/sources/gh/ruza-net/miful" "work/ex/pr-60039/sources/master#efe2f32a6b8217425f361ec7c206910c611c03ee/gh/ruza-net/miful"`
[INFO] [stderr] Cloning into 'work/ex/pr-60039/sources/master#efe2f32a6b8217425f361ec7c206910c611c03ee/gh/ruza-net/miful'...
[INFO] [stderr] done.
[INFO] running `"git" "clone" "work/cache/sources/gh/ruza-net/miful" "work/ex/pr-60039/sources/try#78b0bd8441ef961f6475e3d47fe3bca38cb83432/gh/ruza-net/miful"`
[INFO] [stderr] Cloning into 'work/ex/pr-60039/sources/try#78b0bd8441ef961f6475e3d47fe3bca38cb83432/gh/ruza-net/miful'...
[INFO] [stderr] done.
[INFO] running `"git" "rev-parse" "HEAD"`
[INFO] [stdout] 2d029396abc573285dd28f07b1847d7ca54ae740
[INFO] sha for GitHub repo ruza-net/miful: 2d029396abc573285dd28f07b1847d7ca54ae740
[INFO] validating manifest of ruza-net/miful on toolchain master#efe2f32a6b8217425f361ec7c206910c611c03ee
[INFO] running `"/mnt/big/crater/work/local/cargo-home/bin/cargo" "+efe2f32a6b8217425f361ec7c206910c611c03ee-alt" "read-manifest" "--manifest-path" "Cargo.toml"`
[INFO] validating manifest of ruza-net/miful on toolchain try#78b0bd8441ef961f6475e3d47fe3bca38cb83432
[INFO] running `"/mnt/big/crater/work/local/cargo-home/bin/cargo" "+78b0bd8441ef961f6475e3d47fe3bca38cb83432-alt" "read-manifest" "--manifest-path" "Cargo.toml"`
[INFO] started frobbing ruza-net/miful
[INFO] finished frobbing ruza-net/miful
[INFO] frobbed toml for ruza-net/miful written to work/ex/pr-60039/sources/master#efe2f32a6b8217425f361ec7c206910c611c03ee/gh/ruza-net/miful/Cargo.toml
[INFO] started frobbing ruza-net/miful
[INFO] finished frobbing ruza-net/miful
[INFO] frobbed toml for ruza-net/miful written to work/ex/pr-60039/sources/try#78b0bd8441ef961f6475e3d47fe3bca38cb83432/gh/ruza-net/miful/Cargo.toml
[INFO] crate ruza-net/miful already has a lockfile, it will not be regenerated
[INFO] running `"/mnt/big/crater/work/local/cargo-home/bin/cargo" "+efe2f32a6b8217425f361ec7c206910c611c03ee-alt" "fetch" "--locked" "--manifest-path" "Cargo.toml"`
[INFO] running `"/mnt/big/crater/work/local/cargo-home/bin/cargo" "+78b0bd8441ef961f6475e3d47fe3bca38cb83432-alt" "fetch" "--locked" "--manifest-path" "Cargo.toml"`
[INFO] checking ruza-net/miful against try#78b0bd8441ef961f6475e3d47fe3bca38cb83432 for pr-60039
[INFO] running `"docker" "create" "-v" "/mnt/big/crater/work/local/target-dirs/pr-60039/worker-4/try#78b0bd8441ef961f6475e3d47fe3bca38cb83432:/opt/crater/target:rw,Z" "-v" "/mnt/big/crater/work/ex/pr-60039/sources/try#78b0bd8441ef961f6475e3d47fe3bca38cb83432/gh/ruza-net/miful:/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" "+78b0bd8441ef961f6475e3d47fe3bca38cb83432-alt" "check" "--frozen" "--all" "--all-targets"`
[INFO] [stdout] 31eec6306a37c552bb29ebe0f2981642ade09040ebf9aa5fe5d564cc26f650ce
[INFO] running `"docker" "start" "-a" "31eec6306a37c552bb29ebe0f2981642ade09040ebf9aa5fe5d564cc26f650ce"`
[INFO] [stderr]     Checking memchr v2.1.0
[INFO] [stderr]     Checking aho-corasick v0.6.8
[INFO] [stderr]     Checking regex v1.0.5
[INFO] [stderr]     Checking miful v0.1.0 (/opt/crater/workdir)
[INFO] [stderr] warning: method is never used: `empty`
[INFO] [stderr]   --> src/parsing/token.rs:52:5
[INFO] [stderr]    |
[INFO] [stderr] 52 |     pub fn empty() -> Token {
[INFO] [stderr]    |     ^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stderr]    |
[INFO] [stderr]    = note: #[warn(dead_code)] on by default
[INFO] [stderr] 
[INFO] [stderr] warning: variant is never constructed: `Undefined`
[INFO] [stderr]   --> src/parsing/lexer.rs:26:5
[INFO] [stderr]    |
[INFO] [stderr] 26 |     Undefined
[INFO] [stderr]    |     ^^^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: function is never used: `print_depth`
[INFO] [stderr]   --> src/parsing/parser.rs:12:1
[INFO] [stderr]    |
[INFO] [stderr] 12 | fn print_depth(depth: usize) {
[INFO] [stderr]    | ^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: method is never used: `empty`
[INFO] [stderr]    --> src/parsing/ast.rs:108:5
[INFO] [stderr]     |
[INFO] [stderr] 108 |     pub fn empty() -> NodeWrapper {
[INFO] [stderr]     |     ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: function is never used: `debug_tokens`
[INFO] [stderr]  --> src/parsing/utils.rs:4:1
[INFO] [stderr]   |
[INFO] [stderr] 4 | pub fn debug_tokens(tokens: &Vec<Token>) {
[INFO] [stderr]   | ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: method is never used: `empty`
[INFO] [stderr]   --> src/parsing/token.rs:52:5
[INFO] [stderr]    |
[INFO] [stderr] 52 |     pub fn empty() -> Token {
[INFO] [stderr]    |     ^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stderr]    |
[INFO] [stderr]    = note: #[warn(dead_code)] on by default
[INFO] [stderr] 
[INFO] [stderr] warning: variant is never constructed: `Undefined`
[INFO] [stderr]   --> src/parsing/lexer.rs:26:5
[INFO] [stderr]    |
[INFO] [stderr] 26 |     Undefined
[INFO] [stderr]    |     ^^^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: function is never used: `print_depth`
[INFO] [stderr]   --> src/parsing/parser.rs:12:1
[INFO] [stderr]    |
[INFO] [stderr] 12 | fn print_depth(depth: usize) {
[INFO] [stderr]    | ^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: method is never used: `empty`
[INFO] [stderr]    --> src/parsing/ast.rs:108:5
[INFO] [stderr]     |
[INFO] [stderr] 108 |     pub fn empty() -> NodeWrapper {
[INFO] [stderr]     |     ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: function is never used: `debug_tokens`
[INFO] [stderr]  --> src/parsing/utils.rs:4:1
[INFO] [stderr]   |
[INFO] [stderr] 4 | pub fn debug_tokens(tokens: &Vec<Token>) {
[INFO] [stderr]   | ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stderr] 
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 5.11s
[INFO] running `"docker" "inspect" "31eec6306a37c552bb29ebe0f2981642ade09040ebf9aa5fe5d564cc26f650ce"`
[INFO] running `"docker" "rm" "-f" "31eec6306a37c552bb29ebe0f2981642ade09040ebf9aa5fe5d564cc26f650ce"`
[INFO] [stdout] 31eec6306a37c552bb29ebe0f2981642ade09040ebf9aa5fe5d564cc26f650ce