[INFO] updating cached repository davidspies/rsatsolver [INFO] running `"git" "fetch" "--all"` [INFO] [stdout] Fetching origin [INFO] [stderr] From git://github.com/davidspies/rsatsolver [INFO] [stderr] * branch HEAD -> FETCH_HEAD [INFO] running `"git" "clone" "work/cache/sources/gh/davidspies/rsatsolver" "work/ex/pr-63376/sources/master#60960a260f7b5c695fd0717311d72ce62dd4eb43/gh/davidspies/rsatsolver"` [INFO] [stderr] Cloning into 'work/ex/pr-63376/sources/master#60960a260f7b5c695fd0717311d72ce62dd4eb43/gh/davidspies/rsatsolver'... [INFO] [stderr] done. [INFO] running `"git" "clone" "work/cache/sources/gh/davidspies/rsatsolver" "work/ex/pr-63376/sources/try#266783e4e09e4e9d5307c1c8e695659c58bbcac7/gh/davidspies/rsatsolver"` [INFO] [stderr] Cloning into 'work/ex/pr-63376/sources/try#266783e4e09e4e9d5307c1c8e695659c58bbcac7/gh/davidspies/rsatsolver'... [INFO] [stderr] done. [INFO] running `"git" "rev-parse" "HEAD"` [INFO] [stdout] b74949aae6531b6390652ad82ca60f0bf4ef1a09 [INFO] sha for GitHub repo davidspies/rsatsolver: b74949aae6531b6390652ad82ca60f0bf4ef1a09 [INFO] validating manifest of davidspies/rsatsolver on toolchain master#60960a260f7b5c695fd0717311d72ce62dd4eb43 [INFO] running `"/mnt/big/crater/work/local/cargo-home/bin/cargo" "+60960a260f7b5c695fd0717311d72ce62dd4eb43-alt" "read-manifest" "--manifest-path" "Cargo.toml"` [INFO] validating manifest of davidspies/rsatsolver on toolchain try#266783e4e09e4e9d5307c1c8e695659c58bbcac7 [INFO] running `"/mnt/big/crater/work/local/cargo-home/bin/cargo" "+266783e4e09e4e9d5307c1c8e695659c58bbcac7-alt" "read-manifest" "--manifest-path" "Cargo.toml"` [INFO] started frobbing davidspies/rsatsolver [INFO] finished frobbing davidspies/rsatsolver [INFO] frobbed toml for davidspies/rsatsolver written to work/ex/pr-63376/sources/master#60960a260f7b5c695fd0717311d72ce62dd4eb43/gh/davidspies/rsatsolver/Cargo.toml [INFO] started frobbing davidspies/rsatsolver [INFO] finished frobbing davidspies/rsatsolver [INFO] frobbed toml for davidspies/rsatsolver written to work/ex/pr-63376/sources/try#266783e4e09e4e9d5307c1c8e695659c58bbcac7/gh/davidspies/rsatsolver/Cargo.toml [INFO] crate davidspies/rsatsolver already has a lockfile, it will not be regenerated [INFO] running `"/mnt/big/crater/work/local/cargo-home/bin/cargo" "+60960a260f7b5c695fd0717311d72ce62dd4eb43-alt" "fetch" "--locked" "--manifest-path" "Cargo.toml"` [INFO] running `"/mnt/big/crater/work/local/cargo-home/bin/cargo" "+266783e4e09e4e9d5307c1c8e695659c58bbcac7-alt" "fetch" "--locked" "--manifest-path" "Cargo.toml"` [INFO] checking davidspies/rsatsolver against try#266783e4e09e4e9d5307c1c8e695659c58bbcac7 for pr-63376 [INFO] running `"docker" "create" "-v" "/mnt/big/crater/work/local/target-dirs/pr-63376/worker-0/try#266783e4e09e4e9d5307c1c8e695659c58bbcac7:/opt/crater/target:rw,Z" "-v" "/mnt/big/crater/work/ex/pr-63376/sources/try#266783e4e09e4e9d5307c1c8e695659c58bbcac7/gh/davidspies/rsatsolver:/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" "+266783e4e09e4e9d5307c1c8e695659c58bbcac7-alt" "check" "--frozen" "--all" "--all-targets"` [INFO] [stdout] 385511b864626d02b5ddea123e49ead1e3090fccdd4cb7724a0c4529750248f6 [INFO] running `"docker" "start" "-a" "385511b864626d02b5ddea123e49ead1e3090fccdd4cb7724a0c4529750248f6"` [INFO] [stderr] Checking rsatsolver v0.1.0 (/opt/crater/workdir) [INFO] [stderr] warning: unused import: `state::State` [INFO] [stderr] --> src/solver.rs:3:5 [INFO] [stderr] | [INFO] [stderr] 3 | use state::State; [INFO] [stderr] | ^^^^^^^^^^^^ [INFO] [stderr] | [INFO] [stderr] = note: `#[warn(unused_imports)]` on by default [INFO] [stderr] [INFO] [stderr] warning: unused import: `state::State` [INFO] [stderr] --> src/solver.rs:3:5 [INFO] [stderr] | [INFO] [stderr] 3 | use state::State; [INFO] [stderr] | ^^^^^^^^^^^^ [INFO] [stderr] | [INFO] [stderr] = note: `#[warn(unused_imports)]` on by default [INFO] [stderr] [INFO] [stderr] warning: struct is never constructed: `Disjunction` [INFO] [stderr] --> src/problem.rs:16:1 [INFO] [stderr] | [INFO] [stderr] 16 | pub struct Disjunction(HashMap); [INFO] [stderr] | ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^ [INFO] [stderr] | [INFO] [stderr] = note: `#[warn(dead_code)]` on by default [INFO] [stderr] [INFO] [stderr] warning: type alias is never used: `DisjunctionIter` [INFO] [stderr] --> src/problem.rs:18:1 [INFO] [stderr] | [INFO] [stderr] 18 | pub type DisjunctionIter<'a> = hash_map::Iter<'a, Variable, Sign>; [INFO] [stderr] | ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^ [INFO] [stderr] [INFO] [stderr] warning: method is never used: `len` [INFO] [stderr] --> src/problem.rs:21:5 [INFO] [stderr] | [INFO] [stderr] 21 | pub fn len(&self) -> usize { [INFO] [stderr] | ^^^^^^^^^^^^^^^^^^^^^^^^^^ [INFO] [stderr] [INFO] [stderr] warning: method is never used: `iter` [INFO] [stderr] --> src/problem.rs:24:5 [INFO] [stderr] | [INFO] [stderr] 24 | pub fn iter(&self) -> DisjunctionIter { [INFO] [stderr] | ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^ [INFO] [stderr] [INFO] [stderr] warning: struct is never constructed: `Problem` [INFO] [stderr] --> src/problem.rs:37:1 [INFO] [stderr] | [INFO] [stderr] 37 | pub struct Problem { [INFO] [stderr] | ^^^^^^^^^^^^^^^^^^ [INFO] [stderr] [INFO] [stderr] warning: method is never used: `vars` [INFO] [stderr] --> src/problem.rs:42:5 [INFO] [stderr] | [INFO] [stderr] 42 | pub fn vars(&self) -> HashSet { [INFO] [stderr] | ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^ [INFO] [stderr] [INFO] [stderr] warning: struct is never constructed: `SignMap` [INFO] [stderr] --> src/problem.rs:62:1 [INFO] [stderr] | [INFO] [stderr] 62 | pub struct SignMap { [INFO] [stderr] | ^^^^^^^^^^^^^^^^^^^^^ [INFO] [stderr] [INFO] [stderr] warning: method is never used: `new` [INFO] [stderr] --> src/problem.rs:68:5 [INFO] [stderr] | [INFO] [stderr] 68 | pub fn new V>(init: F) -> SignMap { [INFO] [stderr] | ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^ [INFO] [stderr] [INFO] [stderr] warning: struct is never constructed: `State` [INFO] [stderr] --> src/solver/state.rs:9:1 [INFO] [stderr] | [INFO] [stderr] 9 | pub struct State<'problem> { [INFO] [stderr] | ^^^^^^^^^^^^^^^^^^^^^^^^^^ [INFO] [stderr] [INFO] [stderr] warning: method is never used: `new` [INFO] [stderr] --> src/solver/state.rs:18:5 [INFO] [stderr] | [INFO] [stderr] 18 | pub fn new(problem: &'problem Problem) -> Self { [INFO] [stderr] | ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^ [INFO] [stderr] [INFO] [stderr] warning: function is never used: `init_var` [INFO] [stderr] --> src/solver/state.rs:19:9 [INFO] [stderr] | [INFO] [stderr] 19 | fn init_var(&v: &Variable) -> (Variable, AssignInfo) { [INFO] [stderr] | ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^ [INFO] [stderr] [INFO] [stderr] warning: method is never used: `is_set` [INFO] [stderr] --> src/solver/state.rs:41:5 [INFO] [stderr] | [INFO] [stderr] 41 | pub fn is_set(&self, v: Variable) -> bool { [INFO] [stderr] | ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^ [INFO] [stderr] [INFO] [stderr] warning: method is never used: `sign_of` [INFO] [stderr] --> src/solver/state.rs:44:5 [INFO] [stderr] | [INFO] [stderr] 44 | pub fn sign_of(&self, v: Variable) -> Option { [INFO] [stderr] | ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^ [INFO] [stderr] [INFO] [stderr] warning: method is never used: `add_disjunction` [INFO] [stderr] --> src/solver/state.rs:47:5 [INFO] [stderr] | [INFO] [stderr] 47 | pub fn add_disjunction(&mut self, disjunction: &'problem Disjunction) { [INFO] [stderr] | ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^ [INFO] [stderr] [INFO] [stderr] warning: method is never used: `assign` [INFO] [stderr] --> src/solver/state.rs:59:5 [INFO] [stderr] | [INFO] [stderr] 59 | pub fn assign(&mut self, var: Variable, sig: Sign) { [INFO] [stderr] | ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^ [INFO] [stderr] [INFO] [stderr] warning: method is never used: `unassign` [INFO] [stderr] --> src/solver/state.rs:86:5 [INFO] [stderr] | [INFO] [stderr] 86 | pub fn unassign(&mut self, var: Variable) { [INFO] [stderr] | ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^ [INFO] [stderr] [INFO] [stderr] warning: method is never used: `get_and_clear_propagators` [INFO] [stderr] --> src/solver/state.rs:105:5 [INFO] [stderr] | [INFO] [stderr] 105 | pub fn get_and_clear_propagators(&mut self) -> Vec<&'problem Disjunction> { [INFO] [stderr] | ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^ [INFO] [stderr] [INFO] [stderr] warning: method is never used: `get_and_clear_pures` [INFO] [stderr] --> src/solver/state.rs:108:5 [INFO] [stderr] | [INFO] [stderr] 108 | pub fn get_and_clear_pures(&mut self) -> Vec { [INFO] [stderr] | ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^ [INFO] [stderr] [INFO] [stderr] warning: struct is never constructed: `AssignInfo` [INFO] [stderr] --> src/solver/state.rs:113:1 [INFO] [stderr] | [INFO] [stderr] 113 | struct AssignInfo { [INFO] [stderr] | ^^^^^^^^^^^^^^^^^ [INFO] [stderr] [INFO] [stderr] warning: struct is never constructed: `DisjunctionInfo` [INFO] [stderr] --> src/solver/state.rs:118:1 [INFO] [stderr] | [INFO] [stderr] 118 | struct DisjunctionInfo<'problem> { [INFO] [stderr] | ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^ [INFO] [stderr] [INFO] [stderr] warning: method is never used: `new` [INFO] [stderr] --> src/solver/state.rs:125:5 [INFO] [stderr] | [INFO] [stderr] 125 | fn new(state: &State, disjunction: &'problem Disjunction) -> Self { [INFO] [stderr] | ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^ [INFO] [stderr] [INFO] [stderr] warning: struct is never constructed: `Solver` [INFO] [stderr] --> src/solver.rs:5:1 [INFO] [stderr] | [INFO] [stderr] 5 | struct Solver { [INFO] [stderr] | ^^^^^^^^^^^^^ [INFO] [stderr] [INFO] [stderr] warning: struct is never constructed: `Disjunction` [INFO] [stderr] --> src/problem.rs:16:1 [INFO] [stderr] | [INFO] [stderr] 16 | pub struct Disjunction(HashMap); [INFO] [stderr] | ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^ [INFO] [stderr] | [INFO] [stderr] = note: `#[warn(dead_code)]` on by default [INFO] [stderr] [INFO] [stderr] warning: type alias is never used: `DisjunctionIter` [INFO] [stderr] --> src/problem.rs:18:1 [INFO] [stderr] | [INFO] [stderr] 18 | pub type DisjunctionIter<'a> = hash_map::Iter<'a, Variable, Sign>; [INFO] [stderr] | ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^ [INFO] [stderr] [INFO] [stderr] warning: method is never used: `len` [INFO] [stderr] --> src/problem.rs:21:5 [INFO] [stderr] | [INFO] [stderr] 21 | pub fn len(&self) -> usize { [INFO] [stderr] | ^^^^^^^^^^^^^^^^^^^^^^^^^^ [INFO] [stderr] [INFO] [stderr] warning: method is never used: `iter` [INFO] [stderr] --> src/problem.rs:24:5 [INFO] [stderr] | [INFO] [stderr] 24 | pub fn iter(&self) -> DisjunctionIter { [INFO] [stderr] | ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^ [INFO] [stderr] [INFO] [stderr] warning: struct is never constructed: `Problem` [INFO] [stderr] --> src/problem.rs:37:1 [INFO] [stderr] | [INFO] [stderr] 37 | pub struct Problem { [INFO] [stderr] | ^^^^^^^^^^^^^^^^^^ [INFO] [stderr] [INFO] [stderr] warning: method is never used: `vars` [INFO] [stderr] --> src/problem.rs:42:5 [INFO] [stderr] | [INFO] [stderr] 42 | pub fn vars(&self) -> HashSet { [INFO] [stderr] | ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^ [INFO] [stderr] [INFO] [stderr] warning: struct is never constructed: `SignMap` [INFO] [stderr] --> src/problem.rs:62:1 [INFO] [stderr] | [INFO] [stderr] 62 | pub struct SignMap { [INFO] [stderr] | ^^^^^^^^^^^^^^^^^^^^^ [INFO] [stderr] [INFO] [stderr] warning: method is never used: `new` [INFO] [stderr] --> src/problem.rs:68:5 [INFO] [stderr] | [INFO] [stderr] 68 | pub fn new V>(init: F) -> SignMap { [INFO] [stderr] | ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^ [INFO] [stderr] [INFO] [stderr] warning: struct is never constructed: `State` [INFO] [stderr] --> src/solver/state.rs:9:1 [INFO] [stderr] | [INFO] [stderr] 9 | pub struct State<'problem> { [INFO] [stderr] | ^^^^^^^^^^^^^^^^^^^^^^^^^^ [INFO] [stderr] [INFO] [stderr] warning: method is never used: `new` [INFO] [stderr] --> src/solver/state.rs:18:5 [INFO] [stderr] | [INFO] [stderr] 18 | pub fn new(problem: &'problem Problem) -> Self { [INFO] [stderr] | ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^ [INFO] [stderr] [INFO] [stderr] warning: function is never used: `init_var` [INFO] [stderr] --> src/solver/state.rs:19:9 [INFO] [stderr] | [INFO] [stderr] 19 | fn init_var(&v: &Variable) -> (Variable, AssignInfo) { [INFO] [stderr] | ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^ [INFO] [stderr] [INFO] [stderr] warning: method is never used: `is_set` [INFO] [stderr] --> src/solver/state.rs:41:5 [INFO] [stderr] | [INFO] [stderr] 41 | pub fn is_set(&self, v: Variable) -> bool { [INFO] [stderr] | ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^ [INFO] [stderr] [INFO] [stderr] warning: method is never used: `sign_of` [INFO] [stderr] --> src/solver/state.rs:44:5 [INFO] [stderr] | [INFO] [stderr] 44 | pub fn sign_of(&self, v: Variable) -> Option { [INFO] [stderr] | ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^ [INFO] [stderr] [INFO] [stderr] warning: method is never used: `add_disjunction` [INFO] [stderr] --> src/solver/state.rs:47:5 [INFO] [stderr] | [INFO] [stderr] 47 | pub fn add_disjunction(&mut self, disjunction: &'problem Disjunction) { [INFO] [stderr] | ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^ [INFO] [stderr] [INFO] [stderr] warning: method is never used: `assign` [INFO] [stderr] --> src/solver/state.rs:59:5 [INFO] [stderr] | [INFO] [stderr] 59 | pub fn assign(&mut self, var: Variable, sig: Sign) { [INFO] [stderr] | ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^ [INFO] [stderr] [INFO] [stderr] warning: method is never used: `unassign` [INFO] [stderr] --> src/solver/state.rs:86:5 [INFO] [stderr] | [INFO] [stderr] 86 | pub fn unassign(&mut self, var: Variable) { [INFO] [stderr] | ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^ [INFO] [stderr] [INFO] [stderr] warning: method is never used: `get_and_clear_propagators` [INFO] [stderr] --> src/solver/state.rs:105:5 [INFO] [stderr] | [INFO] [stderr] 105 | pub fn get_and_clear_propagators(&mut self) -> Vec<&'problem Disjunction> { [INFO] [stderr] | ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^ [INFO] [stderr] [INFO] [stderr] warning: method is never used: `get_and_clear_pures` [INFO] [stderr] --> src/solver/state.rs:108:5 [INFO] [stderr] | [INFO] [stderr] 108 | pub fn get_and_clear_pures(&mut self) -> Vec { [INFO] [stderr] | ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^ [INFO] [stderr] [INFO] [stderr] warning: struct is never constructed: `AssignInfo` [INFO] [stderr] --> src/solver/state.rs:113:1 [INFO] [stderr] | [INFO] [stderr] 113 | struct AssignInfo { [INFO] [stderr] | ^^^^^^^^^^^^^^^^^ [INFO] [stderr] [INFO] [stderr] warning: struct is never constructed: `DisjunctionInfo` [INFO] [stderr] --> src/solver/state.rs:118:1 [INFO] [stderr] | [INFO] [stderr] 118 | struct DisjunctionInfo<'problem> { [INFO] [stderr] | ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^ [INFO] [stderr] [INFO] [stderr] warning: method is never used: `new` [INFO] [stderr] --> src/solver/state.rs:125:5 [INFO] [stderr] | [INFO] [stderr] 125 | fn new(state: &State, disjunction: &'problem Disjunction) -> Self { [INFO] [stderr] | ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^ [INFO] [stderr] [INFO] [stderr] warning: struct is never constructed: `Solver` [INFO] [stderr] --> src/solver.rs:5:1 [INFO] [stderr] | [INFO] [stderr] 5 | struct Solver { [INFO] [stderr] | ^^^^^^^^^^^^^ [INFO] [stderr] [INFO] [stderr] Finished dev [unoptimized + debuginfo] target(s) in 0.59s [INFO] running `"docker" "inspect" "385511b864626d02b5ddea123e49ead1e3090fccdd4cb7724a0c4529750248f6"` [INFO] running `"docker" "rm" "-f" "385511b864626d02b5ddea123e49ead1e3090fccdd4cb7724a0c4529750248f6"` [INFO] [stdout] 385511b864626d02b5ddea123e49ead1e3090fccdd4cb7724a0c4529750248f6