[INFO] updating cached repository sakateka/plt [INFO] running `"git" "fetch" "--all"` [INFO] [stdout] Fetching origin [INFO] [stderr] From git://github.com/sakateka/plt [INFO] [stderr] * branch HEAD -> FETCH_HEAD [INFO] running `"git" "clone" "work/cache/sources/gh/sakateka/plt" "work/ex/beta-1.37-6/sources/1.36.0/gh/sakateka/plt"` [INFO] [stderr] Cloning into 'work/ex/beta-1.37-6/sources/1.36.0/gh/sakateka/plt'... [INFO] [stderr] done. [INFO] running `"git" "clone" "work/cache/sources/gh/sakateka/plt" "work/ex/beta-1.37-6/sources/beta-2019-07-23/gh/sakateka/plt"` [INFO] [stderr] Cloning into 'work/ex/beta-1.37-6/sources/beta-2019-07-23/gh/sakateka/plt'... [INFO] [stderr] done. [INFO] running `"git" "rev-parse" "HEAD"` [INFO] [stdout] 367a6f8c57682122c8cc7e9203e64788c5669c9f [INFO] sha for GitHub repo sakateka/plt: 367a6f8c57682122c8cc7e9203e64788c5669c9f [INFO] validating manifest of sakateka/plt on toolchain 1.36.0 [INFO] running `"/mnt/big/crater/work/local/cargo-home/bin/cargo" "+1.36.0" "read-manifest" "--manifest-path" "Cargo.toml"` [INFO] validating manifest of sakateka/plt on toolchain beta-2019-07-23 [INFO] running `"/mnt/big/crater/work/local/cargo-home/bin/cargo" "+beta-2019-07-23" "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/beta-1.37-6/sources/1.36.0/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/beta-1.37-6/sources/beta-2019-07-23/gh/sakateka/plt/Cargo.toml [INFO] crate sakateka/plt already has a lockfile, it will not be regenerated [INFO] running `"/mnt/big/crater/work/local/cargo-home/bin/cargo" "+1.36.0" "fetch" "--locked" "--manifest-path" "Cargo.toml"` [INFO] running `"/mnt/big/crater/work/local/cargo-home/bin/cargo" "+beta-2019-07-23" "fetch" "--locked" "--manifest-path" "Cargo.toml"` [INFO] testing sakateka/plt against 1.36.0 for beta-1.37-6 [INFO] running `"docker" "create" "-v" "/mnt/big/crater/work/local/target-dirs/beta-1.37-6/worker-0/1.36.0:/opt/crater/target:rw,Z" "-v" "/mnt/big/crater/work/ex/beta-1.37-6/sources/1.36.0/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=warn" "-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" "+1.36.0" "build" "--frozen"` [INFO] [stdout] 3e56e5f1110a2507c1fa4c2a3ad45a5dabb16c3531511a0927778e4f45b824b2 [INFO] running `"docker" "start" "-a" "3e56e5f1110a2507c1fa4c2a3ad45a5dabb16c3531511a0927778e4f45b824b2"` [INFO] [stderr] Compiling serde v1.0.35 [INFO] [stderr] Compiling yaml-rust v0.4.0 [INFO] [stderr] Compiling itertools v0.7.7 [INFO] [stderr] Compiling serde_derive_internals v0.22.1 [INFO] [stderr] Compiling serde_derive v1.0.35 [INFO] [stderr] Compiling serde_yaml v0.7.3 [INFO] [stderr] Compiling 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: variable does not need to be mutable [INFO] [stderr] --> src/main.rs:224:13 [INFO] [stderr] | [INFO] [stderr] 224 | let mut dpda_design = DPDADesign::load(dpda_spec).unwrap(); [INFO] [stderr] | ----^^^^^^^^^^^ [INFO] [stderr] | | [INFO] [stderr] | help: remove this `mut` [INFO] [stderr] | [INFO] [stderr] = note: #[warn(unused_mut)] on by default [INFO] [stderr] [INFO] [stderr] warning: variable does not need to be mutable [INFO] [stderr] --> src/main.rs:255:13 [INFO] [stderr] | [INFO] [stderr] 255 | let mut dpdt_design = DPDTDesign::load(dpdt_spec).unwrap(); [INFO] [stderr] | ----^^^^^^^^^^^ [INFO] [stderr] | | [INFO] [stderr] | help: remove this `mut` [INFO] [stderr] [INFO] [stderr] warning: variable does not need to be mutable [INFO] [stderr] --> src/cfg.rs:227:17 [INFO] [stderr] | [INFO] [stderr] 227 | let mut text = line?; [INFO] [stderr] | ----^^^^ [INFO] [stderr] | | [INFO] [stderr] | help: remove this `mut` [INFO] [stderr] [INFO] [stderr] warning: variable does not need to be mutable [INFO] [stderr] --> src/cfg.rs:269:17 [INFO] [stderr] | [INFO] [stderr] 269 | let mut prod = Production::new(left.clone(), symbols); [INFO] [stderr] | ----^^^^ [INFO] [stderr] | | [INFO] [stderr] | help: remove this `mut` [INFO] [stderr] [INFO] [stderr] warning: variable does not need to be mutable [INFO] [stderr] --> src/cfg.rs:450:17 [INFO] [stderr] | [INFO] [stderr] 450 | let mut set = unit_sets.get_mut(nonterm).unwrap(); [INFO] [stderr] | ----^^^ [INFO] [stderr] | | [INFO] [stderr] | help: remove this `mut` [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 32.33s [INFO] running `"docker" "inspect" "3e56e5f1110a2507c1fa4c2a3ad45a5dabb16c3531511a0927778e4f45b824b2"` [INFO] running `"docker" "rm" "-f" "3e56e5f1110a2507c1fa4c2a3ad45a5dabb16c3531511a0927778e4f45b824b2"` [INFO] [stdout] 3e56e5f1110a2507c1fa4c2a3ad45a5dabb16c3531511a0927778e4f45b824b2 [INFO] running `"docker" "create" "-v" "/mnt/big/crater/work/local/target-dirs/beta-1.37-6/worker-0/1.36.0:/opt/crater/target:rw,Z" "-v" "/mnt/big/crater/work/ex/beta-1.37-6/sources/1.36.0/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=warn" "-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" "+1.36.0" "test" "--frozen" "--no-run"` [INFO] [stdout] e66c6825a047b421363199461b2717874316bf01e354eb61103076a532e0e2a4 [INFO] running `"docker" "start" "-a" "e66c6825a047b421363199461b2717874316bf01e354eb61103076a532e0e2a4"` [INFO] [stderr] Blocking waiting for file lock on package cache lock [INFO] [stderr] Compiling 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: variable does not need to be mutable [INFO] [stderr] --> src/main.rs:224:13 [INFO] [stderr] | [INFO] [stderr] 224 | let mut dpda_design = DPDADesign::load(dpda_spec).unwrap(); [INFO] [stderr] | ----^^^^^^^^^^^ [INFO] [stderr] | | [INFO] [stderr] | help: remove this `mut` [INFO] [stderr] | [INFO] [stderr] = note: #[warn(unused_mut)] on by default [INFO] [stderr] [INFO] [stderr] warning: variable does not need to be mutable [INFO] [stderr] --> src/main.rs:255:13 [INFO] [stderr] | [INFO] [stderr] 255 | let mut dpdt_design = DPDTDesign::load(dpdt_spec).unwrap(); [INFO] [stderr] | ----^^^^^^^^^^^ [INFO] [stderr] | | [INFO] [stderr] | help: remove this `mut` [INFO] [stderr] [INFO] [stderr] warning: variable does not need to be mutable [INFO] [stderr] --> src/cfg.rs:227:17 [INFO] [stderr] | [INFO] [stderr] 227 | let mut text = line?; [INFO] [stderr] | ----^^^^ [INFO] [stderr] | | [INFO] [stderr] | help: remove this `mut` [INFO] [stderr] [INFO] [stderr] warning: variable does not need to be mutable [INFO] [stderr] --> src/cfg.rs:269:17 [INFO] [stderr] | [INFO] [stderr] 269 | let mut prod = Production::new(left.clone(), symbols); [INFO] [stderr] | ----^^^^ [INFO] [stderr] | | [INFO] [stderr] | help: remove this `mut` [INFO] [stderr] [INFO] [stderr] warning: variable does not need to be mutable [INFO] [stderr] --> src/cfg.rs:450:17 [INFO] [stderr] | [INFO] [stderr] 450 | let mut set = unit_sets.get_mut(nonterm).unwrap(); [INFO] [stderr] | ----^^^ [INFO] [stderr] | | [INFO] [stderr] | help: remove this `mut` [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 6.33s [INFO] running `"docker" "inspect" "e66c6825a047b421363199461b2717874316bf01e354eb61103076a532e0e2a4"` [INFO] running `"docker" "rm" "-f" "e66c6825a047b421363199461b2717874316bf01e354eb61103076a532e0e2a4"` [INFO] [stdout] e66c6825a047b421363199461b2717874316bf01e354eb61103076a532e0e2a4 [INFO] running `"docker" "create" "-v" "/mnt/big/crater/work/local/target-dirs/beta-1.37-6/worker-0/1.36.0:/opt/crater/target:rw,Z" "-v" "/mnt/big/crater/work/ex/beta-1.37-6/sources/1.36.0/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=warn" "-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" "+1.36.0" "test" "--frozen"` [INFO] [stdout] aa2a6bca23ee34fe9b68349bef76596ba2aa811f07fad76a5351b359f41535e2 [INFO] running `"docker" "start" "-a" "aa2a6bca23ee34fe9b68349bef76596ba2aa811f07fad76a5351b359f41535e2"` [INFO] [stderr] Finished dev [unoptimized + debuginfo] target(s) in 0.05s [INFO] [stdout] [INFO] [stdout] running 24 tests [INFO] [stderr] Running /opt/crater/target/debug/deps/plt-6b614d88b7bfb7ab [INFO] [stdout] test cfg::tests::load_mailformed_cfg ... ok [INFO] [stdout] test cfg::tests::chomsky ... ok [INFO] [stdout] test cfg::tests::load_cfg ... ok [INFO] [stdout] test pda::tests::dpda ... ok [INFO] [stdout] test cfg::tests::remove_unreachable ... ok [INFO] [stdout] test pda::tests::follow_free_moves ... ok [INFO] [stdout] test pda::tests::applies_to ... ok [INFO] [stdout] test pda::tests::design ... ok [INFO] [stdout] test cfg::tests::remove_units ... ok [INFO] [stdout] test cfg::tests::remove_useless ... ok [INFO] [stdout] test cfg::tests::remove_epsilon ... ok [INFO] [stdout] test pda::tests::next_stack ... ok [INFO] [stdout] test cfg::tests::simplify ... ok [INFO] [stdout] test pda::tests::load_design ... ok [INFO] [stdout] test pdt::tests::follow_free_moves ... ok [INFO] [stdout] test pdt::tests::next_stack ... ok [INFO] [stdout] test pdt::tests::rule_follow ... ok [INFO] [stdout] test pda::tests::rulebook ... ok [INFO] [stdout] test pdt::tests::load_design ... ok [INFO] [stdout] test pda::tests::rule_follow ... ok [INFO] [stdout] test pdt::tests::applies_to ... ok [INFO] [stdout] test pdt::tests::rulebook ... ok [INFO] [stdout] test pdt::tests::dpdt ... ok [INFO] [stdout] test pdt::tests::design ... ok [INFO] [stdout] [INFO] [stdout] test result: ok. 24 passed; 0 failed; 0 ignored; 0 measured; 0 filtered out [INFO] [stdout] [INFO] running `"docker" "inspect" "aa2a6bca23ee34fe9b68349bef76596ba2aa811f07fad76a5351b359f41535e2"` [INFO] running `"docker" "rm" "-f" "aa2a6bca23ee34fe9b68349bef76596ba2aa811f07fad76a5351b359f41535e2"` [INFO] [stdout] aa2a6bca23ee34fe9b68349bef76596ba2aa811f07fad76a5351b359f41535e2