[INFO] cloning repository sakateka/plt [INFO] running `"git" "clone" "--bare" "git://github.com/sakateka/plt.git" "work/cache/sources/gh/sakateka/plt"` [INFO] [stderr] Cloning into bare repository 'work/cache/sources/gh/sakateka/plt'... [INFO] running `"git" "clone" "work/cache/sources/gh/sakateka/plt" "work/ex/pr-58899/sources/master#c0086b9e8972fef9fd4af24bae20d45021ed06c6/gh/sakateka/plt"` [INFO] [stderr] Cloning into 'work/ex/pr-58899/sources/master#c0086b9e8972fef9fd4af24bae20d45021ed06c6/gh/sakateka/plt'... [INFO] [stderr] done. [INFO] running `"git" "clone" "work/cache/sources/gh/sakateka/plt" "work/ex/pr-58899/sources/try#290ac7b29f41ff9fa5232f9a1116ea71a3501063/gh/sakateka/plt"` [INFO] [stderr] Cloning into 'work/ex/pr-58899/sources/try#290ac7b29f41ff9fa5232f9a1116ea71a3501063/gh/sakateka/plt'... [INFO] [stderr] done. [INFO] running `"git" "rev-parse" "HEAD"` [INFO] [stdout] 68d89b1c6e02bddcedbfa36c6e7a04843a46076f [INFO] sha for GitHub repo sakateka/plt: 68d89b1c6e02bddcedbfa36c6e7a04843a46076f [INFO] validating manifest of sakateka/plt on toolchain master#c0086b9e8972fef9fd4af24bae20d45021ed06c6 [INFO] running `"/mnt/big/crater/work/local/cargo-home/bin/cargo" "+c0086b9e8972fef9fd4af24bae20d45021ed06c6-alt" "read-manifest" "--manifest-path" "Cargo.toml"` [INFO] validating manifest of sakateka/plt on toolchain try#290ac7b29f41ff9fa5232f9a1116ea71a3501063 [INFO] running `"/mnt/big/crater/work/local/cargo-home/bin/cargo" "+290ac7b29f41ff9fa5232f9a1116ea71a3501063-alt" "read-manifest" "--manifest-path" "Cargo.toml"` [INFO] started frobbing sakateka/plt [INFO] finished frobbing sakateka/plt [INFO] frobbed toml for sakateka/plt written to work/ex/pr-58899/sources/master#c0086b9e8972fef9fd4af24bae20d45021ed06c6/gh/sakateka/plt/Cargo.toml [INFO] started frobbing sakateka/plt [INFO] finished frobbing sakateka/plt [INFO] frobbed toml for sakateka/plt written to work/ex/pr-58899/sources/try#290ac7b29f41ff9fa5232f9a1116ea71a3501063/gh/sakateka/plt/Cargo.toml [INFO] crate sakateka/plt has a lockfile. skipping [INFO] running `"/mnt/big/crater/work/local/cargo-home/bin/cargo" "+c0086b9e8972fef9fd4af24bae20d45021ed06c6-alt" "fetch" "--locked" "--manifest-path" "Cargo.toml"` [INFO] running `"/mnt/big/crater/work/local/cargo-home/bin/cargo" "+290ac7b29f41ff9fa5232f9a1116ea71a3501063-alt" "fetch" "--locked" "--manifest-path" "Cargo.toml"` [INFO] checking sakateka/plt against master#c0086b9e8972fef9fd4af24bae20d45021ed06c6 for pr-58899 [INFO] running `"docker" "create" "-v" "/mnt/big/crater/work/local/target-dirs/pr-58899/worker-2/master#c0086b9e8972fef9fd4af24bae20d45021ed06c6:/opt/crater/target:rw,Z" "-v" "/mnt/big/crater/work/ex/pr-58899/sources/master#c0086b9e8972fef9fd4af24bae20d45021ed06c6/gh/sakateka/plt:/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" "+c0086b9e8972fef9fd4af24bae20d45021ed06c6-alt" "check" "--frozen" "--all" "--all-targets"` [INFO] [stdout] fb2c008c53ebe6b57dcf14e7291200d7cc24c7ef02b09ca64f1add72d8b932e8 [INFO] running `"docker" "start" "-a" "fb2c008c53ebe6b57dcf14e7291200d7cc24c7ef02b09ca64f1add72d8b932e8"` [INFO] [stderr] Checking serde v1.0.35 [INFO] [stderr] Checking itertools v0.7.7 [INFO] [stderr] Checking clap v2.29.1 [INFO] [stderr] Compiling serde_derive_internals v0.22.1 [INFO] [stderr] Compiling serde_derive v1.0.35 [INFO] [stderr] Checking serde_yaml v0.7.3 [INFO] [stderr] Checking plt v5.4.0 (/opt/crater/workdir) [INFO] [stderr] warning: unused variable: `sdt` [INFO] [stderr] --> src/cfg.rs:246:41 [INFO] [stderr] | [INFO] [stderr] 246 | pub fn parse_production(line: &str, sdt: bool) -> io::Result> { [INFO] [stderr] | ^^^ help: consider prefixing with an underscore: `_sdt` [INFO] [stderr] | [INFO] [stderr] = note: #[warn(unused_variables)] on by default [INFO] [stderr] [INFO] [stderr] warning: unused variable: `cfg` [INFO] [stderr] --> src/cfg.rs:695:13 [INFO] [stderr] | [INFO] [stderr] 695 | let cfg = cfg.eliminate_left_recursion(); [INFO] [stderr] | ^^^ help: consider prefixing with an underscore: `_cfg` [INFO] [stderr] [INFO] [stderr] warning: unused variable: `rules` [INFO] [stderr] --> src/sdt.rs:34:13 [INFO] [stderr] | [INFO] [stderr] 34 | let rules: SDTRules = match serde_yaml::from_reader(r) { [INFO] [stderr] | ^^^^^ help: consider prefixing with an underscore: `_rules` [INFO] [stderr] [INFO] [stderr] warning: unused variable: `sdt` [INFO] [stderr] --> src/cfg.rs:246:41 [INFO] [stderr] | [INFO] [stderr] 246 | pub fn parse_production(line: &str, sdt: bool) -> io::Result> { [INFO] [stderr] | ^^^ help: consider prefixing with an underscore: `_sdt` [INFO] [stderr] | [INFO] [stderr] = note: #[warn(unused_variables)] on by default [INFO] [stderr] [INFO] [stderr] warning: unused variable: `cfg` [INFO] [stderr] --> src/cfg.rs:695:13 [INFO] [stderr] | [INFO] [stderr] 695 | let cfg = cfg.eliminate_left_recursion(); [INFO] [stderr] | ^^^ help: consider prefixing with an underscore: `_cfg` [INFO] [stderr] [INFO] [stderr] warning: unused variable: `rules` [INFO] [stderr] --> src/sdt.rs:34:13 [INFO] [stderr] | [INFO] [stderr] 34 | let rules: SDTRules = match serde_yaml::from_reader(r) { [INFO] [stderr] | ^^^^^ help: consider prefixing with an underscore: `_rules` [INFO] [stderr] [INFO] [stderr] warning: method is never used: `load_sdt` [INFO] [stderr] --> src/cfg.rs:210:5 [INFO] [stderr] | [INFO] [stderr] 210 | pub fn load_sdt(input_path: &str) -> io::Result { [INFO] [stderr] | ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^ [INFO] [stderr] | [INFO] [stderr] = note: #[warn(dead_code)] on by default [INFO] [stderr] [INFO] [stderr] warning: method is never used: `load_sdt_from_reader` [INFO] [stderr] --> src/cfg.rs:219:5 [INFO] [stderr] | [INFO] [stderr] 219 | pub fn load_sdt_from_reader(r: R) -> io::Result { [INFO] [stderr] | ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^ [INFO] [stderr] [INFO] [stderr] warning: method is never used: `greibach` [INFO] [stderr] --> src/cfg.rs:693:5 [INFO] [stderr] | [INFO] [stderr] 693 | pub fn greibach(&self) -> CFG { [INFO] [stderr] | ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^ [INFO] [stderr] [INFO] [stderr] warning: method is never used: `eliminate_left_recursion` [INFO] [stderr] --> src/cfg.rs:699:5 [INFO] [stderr] | [INFO] [stderr] 699 | pub fn eliminate_left_recursion(&self) -> CFG { [INFO] [stderr] | ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^ [INFO] [stderr] [INFO] [stderr] warning: struct is never constructed: `SDT` [INFO] [stderr] --> src/sdt.rs:20:1 [INFO] [stderr] | [INFO] [stderr] 20 | pub struct SDT { [INFO] [stderr] | ^^^^^^^^^^^^^^ [INFO] [stderr] [INFO] [stderr] warning: method is never used: `load` [INFO] [stderr] --> src/sdt.rs:25:5 [INFO] [stderr] | [INFO] [stderr] 25 | pub fn load(input_path: &str) -> io::Result { [INFO] [stderr] | ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^ [INFO] [stderr] [INFO] [stderr] warning: method is never used: `load_from_reader` [INFO] [stderr] --> src/sdt.rs:30:5 [INFO] [stderr] | [INFO] [stderr] 30 | / pub fn load_from_reader(r: R) -> io::Result [INFO] [stderr] 31 | | where [INFO] [stderr] 32 | | R: ::std::marker::Sized, [INFO] [stderr] 33 | | { [INFO] [stderr] ... | [INFO] [stderr] 40 | | }) [INFO] [stderr] 41 | | } [INFO] [stderr] | |_____^ [INFO] [stderr] [INFO] [stderr] warning: method is never used: `load_sdt` [INFO] [stderr] --> src/cfg.rs:210:5 [INFO] [stderr] | [INFO] [stderr] 210 | pub fn load_sdt(input_path: &str) -> io::Result { [INFO] [stderr] | ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^ [INFO] [stderr] | [INFO] [stderr] = note: #[warn(dead_code)] on by default [INFO] [stderr] [INFO] [stderr] warning: method is never used: `load_sdt_from_reader` [INFO] [stderr] --> src/cfg.rs:219:5 [INFO] [stderr] | [INFO] [stderr] 219 | pub fn load_sdt_from_reader(r: R) -> io::Result { [INFO] [stderr] | ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^ [INFO] [stderr] [INFO] [stderr] warning: method is never used: `greibach` [INFO] [stderr] --> src/cfg.rs:693:5 [INFO] [stderr] | [INFO] [stderr] 693 | pub fn greibach(&self) -> CFG { [INFO] [stderr] | ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^ [INFO] [stderr] [INFO] [stderr] warning: method is never used: `eliminate_left_recursion` [INFO] [stderr] --> src/cfg.rs:699:5 [INFO] [stderr] | [INFO] [stderr] 699 | pub fn eliminate_left_recursion(&self) -> CFG { [INFO] [stderr] | ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^ [INFO] [stderr] [INFO] [stderr] warning: struct is never constructed: `SDT` [INFO] [stderr] --> src/sdt.rs:20:1 [INFO] [stderr] | [INFO] [stderr] 20 | pub struct SDT { [INFO] [stderr] | ^^^^^^^^^^^^^^ [INFO] [stderr] [INFO] [stderr] warning: method is never used: `load` [INFO] [stderr] --> src/sdt.rs:25:5 [INFO] [stderr] | [INFO] [stderr] 25 | pub fn load(input_path: &str) -> io::Result { [INFO] [stderr] | ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^ [INFO] [stderr] [INFO] [stderr] warning: method is never used: `load_from_reader` [INFO] [stderr] --> src/sdt.rs:30:5 [INFO] [stderr] | [INFO] [stderr] 30 | / pub fn load_from_reader(r: R) -> io::Result [INFO] [stderr] 31 | | where [INFO] [stderr] 32 | | R: ::std::marker::Sized, [INFO] [stderr] 33 | | { [INFO] [stderr] ... | [INFO] [stderr] 40 | | }) [INFO] [stderr] 41 | | } [INFO] [stderr] | |_____^ [INFO] [stderr] [INFO] [stderr] Finished dev [unoptimized + debuginfo] target(s) in 21.98s [INFO] running `"docker" "inspect" "fb2c008c53ebe6b57dcf14e7291200d7cc24c7ef02b09ca64f1add72d8b932e8"` [INFO] running `"docker" "rm" "-f" "fb2c008c53ebe6b57dcf14e7291200d7cc24c7ef02b09ca64f1add72d8b932e8"` [INFO] [stdout] fb2c008c53ebe6b57dcf14e7291200d7cc24c7ef02b09ca64f1add72d8b932e8