[INFO] updating cached repository https://github.com/shinkwhek/SATsolver
[INFO] running `"git" "-c" "credential.helper=" "-c" "credential.helper=/workspace/cargo-home/bin/git-credential-null" "-c" "remote.origin.fetch=refs/heads/*:refs/heads/*" "fetch" "origin" "--force" "--prune"`
[INFO] running `"git" "rev-parse" "HEAD"`
[INFO] [stdout] be638a5296a4ad1884c0952d59ed7ba62739ccc9
[INFO] testing shinkwhek/SATsolver against 1.44.0 for beta-1.45-1
[INFO] running `"git" "clone" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fshinkwhek%2FSATsolver" "/workspace/builds/worker-9/source"`
[INFO] [stderr] Cloning into '/workspace/builds/worker-9/source'...
[INFO] [stderr] done.
[INFO] validating manifest of git repo https://github.com/shinkwhek/SATsolver on toolchain 1.44.0
[INFO] running `"/workspace/cargo-home/bin/cargo" "+1.44.0" "read-manifest" "--manifest-path" "Cargo.toml"`
[INFO] started tweaking git repo https://github.com/shinkwhek/SATsolver
[INFO] finished tweaking git repo https://github.com/shinkwhek/SATsolver
[INFO] tweaked toml for git repo https://github.com/shinkwhek/SATsolver written to /workspace/builds/worker-9/source/Cargo.toml
[INFO] crate git repo https://github.com/shinkwhek/SATsolver already has a lockfile, it will not be regenerated
[INFO] running `"/workspace/cargo-home/bin/cargo" "+1.44.0" "fetch" "--locked" "--manifest-path" "Cargo.toml"`
[INFO] [stderr] error: the lock file /workspace/builds/worker-9/source/Cargo.lock needs to be updated but --locked was passed to prevent this
[INFO] [stderr] If you want to try to generate the lock file without accessing the network, use the --offline flag.
[INFO] the lockfile is outdated, regenerating it
[INFO] running `"/workspace/cargo-home/bin/cargo" "+1.44.0" "generate-lockfile" "--manifest-path" "Cargo.toml" "-Zno-index-update"`
[INFO] running `"/workspace/cargo-home/bin/cargo" "+1.44.0" "fetch" "--locked" "--manifest-path" "Cargo.toml"`
[INFO] running `"docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-9/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-9/source:/opt/rustwide/workdir:ro,Z" "-v" "/var/lib/crater-agent-workspace/cargo-home:/opt/rustwide/cargo-home:ro,Z" "-v" "/var/lib/crater-agent-workspace/rustup-home:/opt/rustwide/rustup-home:ro,Z" "-e" "SOURCE_DIR=/opt/rustwide/workdir" "-e" "MAP_USER_ID=0" "-e" "CARGO_TARGET_DIR=/opt/rustwide/target" "-e" "CARGO_INCREMENTAL=0" "-e" "RUST_BACKTRACE=full" "-e" "RUSTFLAGS=--cap-lints=warn" "-e" "CARGO_HOME=/opt/rustwide/cargo-home" "-e" "RUSTUP_HOME=/opt/rustwide/rustup-home" "-w" "/opt/rustwide/workdir" "-m" "1610612736" "--network" "none" "rustops/crates-build-env" "/opt/rustwide/cargo-home/bin/cargo" "+1.44.0" "build" "--frozen"`
[INFO] [stderr] WARNING: Your kernel does not support swap limit capabilities or the cgroup is not mounted. Memory limited without swap.
[INFO] [stdout] 8007056e7eb34b8db617daecad1b43249daaef7fa9566d1a0baec611973ce958
[INFO] running `"docker" "start" "-a" "8007056e7eb34b8db617daecad1b43249daaef7fa9566d1a0baec611973ce958"`
[INFO] [stderr] sudo: setrlimit(RLIMIT_CORE): Operation not permitted
[INFO] [stderr]    Compiling libc v0.2.71
[INFO] [stderr]    Compiling ansi_term v0.9.0
[INFO] [stderr]    Compiling atty v0.2.14
[INFO] [stderr]    Compiling clap v2.33.1
[INFO] [stderr]    Compiling satsolver v1.1.0 (/opt/rustwide/workdir)
[INFO] [stderr] warning: type alias is never used: `Cnf`
[INFO] [stderr]  --> src/lexer.rs:4:1
[INFO] [stderr]   |
[INFO] [stderr] 4 | type Cnf = Vec<Vec<isize>>;
[INFO] [stderr]   | ^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stderr]   |
[INFO] [stderr]   = note: `#[warn(dead_code)]` on by default
[INFO] [stderr] 
[INFO] [stderr] warning: struct is never constructed: `Lexer`
[INFO] [stderr]  --> src/lexer.rs:6:12
[INFO] [stderr]   |
[INFO] [stderr] 6 | pub struct Lexer;
[INFO] [stderr]   |            ^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: method is never used: `new`
[INFO] [stderr]  --> src/lexer.rs:8:5
[INFO] [stderr]   |
[INFO] [stderr] 8 |     pub fn new(filename: &str) -> Cnf {
[INFO] [stderr]   |     ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: method is never used: `parse_line`
[INFO] [stderr]   --> src/lexer.rs:35:5
[INFO] [stderr]    |
[INFO] [stderr] 35 |     fn parse_line(s: &str) -> Vec<isize> {
[INFO] [stderr]    |     ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: method is never used: `new`
[INFO] [stderr]   --> src/solver.rs:13:5
[INFO] [stderr]    |
[INFO] [stderr] 13 |     pub fn new(cnf: Cnf) -> Dpll {
[INFO] [stderr]    |     ^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: method is never used: `solver`
[INFO] [stderr]   --> src/solver.rs:20:5
[INFO] [stderr]    |
[INFO] [stderr] 20 |     pub fn solver(self) -> Option<Self> {
[INFO] [stderr]    |     ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: method is never used: `unit_propagation`
[INFO] [stderr]   --> src/solver.rs:43:5
[INFO] [stderr]    |
[INFO] [stderr] 43 |     fn unit_propagation(self) -> Self {
[INFO] [stderr]    |     ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: method is never used: `assign`
[INFO] [stderr]   --> src/solver.rs:50:5
[INFO] [stderr]    |
[INFO] [stderr] 50 |     fn assign(&self, lit: Literal) -> Self {
[INFO] [stderr]    |     ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: function is never used: `retain_lit`
[INFO] [stderr]   --> src/solver.rs:64:4
[INFO] [stderr]    |
[INFO] [stderr] 64 | fn retain_lit(mut cl: Clause, lit: Literal) -> Clause {
[INFO] [stderr]    |    ^^^^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: method is never used: `exists_empty_clause`
[INFO] [stderr]   --> src/solver.rs:70:5
[INFO] [stderr]    |
[INFO] [stderr] 70 |     fn exists_empty_clause(&self) -> bool {
[INFO] [stderr]    |     ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: method is never used: `get_unit_literal`
[INFO] [stderr]   --> src/solver.rs:74:5
[INFO] [stderr]    |
[INFO] [stderr] 74 |     fn get_unit_literal(&self) -> Option<Literal> {
[INFO] [stderr]    |     ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: method is never used: `heuristic_select`
[INFO] [stderr]   --> src/solver.rs:81:5
[INFO] [stderr]    |
[INFO] [stderr] 81 |     fn heuristic_select(&self) -> Literal {
[INFO] [stderr]    |     ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: method is never used: `is_empty`
[INFO] [stderr]   --> src/solver.rs:85:5
[INFO] [stderr]    |
[INFO] [stderr] 85 |     fn is_empty(&self) -> bool {
[INFO] [stderr]    |     ^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: 13 warnings emitted
[INFO] [stderr] 
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 15.28s
[INFO] running `"docker" "inspect" "8007056e7eb34b8db617daecad1b43249daaef7fa9566d1a0baec611973ce958"`
[INFO] running `"docker" "rm" "-f" "8007056e7eb34b8db617daecad1b43249daaef7fa9566d1a0baec611973ce958"`
[INFO] [stdout] 8007056e7eb34b8db617daecad1b43249daaef7fa9566d1a0baec611973ce958
[INFO] running `"docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-9/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-9/source:/opt/rustwide/workdir:ro,Z" "-v" "/var/lib/crater-agent-workspace/cargo-home:/opt/rustwide/cargo-home:ro,Z" "-v" "/var/lib/crater-agent-workspace/rustup-home:/opt/rustwide/rustup-home:ro,Z" "-e" "SOURCE_DIR=/opt/rustwide/workdir" "-e" "MAP_USER_ID=0" "-e" "CARGO_TARGET_DIR=/opt/rustwide/target" "-e" "CARGO_INCREMENTAL=0" "-e" "RUST_BACKTRACE=full" "-e" "RUSTFLAGS=--cap-lints=warn" "-e" "CARGO_HOME=/opt/rustwide/cargo-home" "-e" "RUSTUP_HOME=/opt/rustwide/rustup-home" "-w" "/opt/rustwide/workdir" "-m" "1610612736" "--network" "none" "rustops/crates-build-env" "/opt/rustwide/cargo-home/bin/cargo" "+1.44.0" "test" "--frozen" "--no-run"`
[INFO] [stderr] WARNING: Your kernel does not support swap limit capabilities or the cgroup is not mounted. Memory limited without swap.
[INFO] [stdout] d6e100f16972ce9721031090e25d113d12e31e564f0a50659e83c8743f641315
[INFO] running `"docker" "start" "-a" "d6e100f16972ce9721031090e25d113d12e31e564f0a50659e83c8743f641315"`
[INFO] [stderr] sudo: setrlimit(RLIMIT_CORE): Operation not permitted
[INFO] [stderr]    Compiling satsolver v1.1.0 (/opt/rustwide/workdir)
[INFO] [stderr] warning: type alias is never used: `Cnf`
[INFO] [stderr]  --> src/lexer.rs:4:1
[INFO] [stderr]   |
[INFO] [stderr] 4 | type Cnf = Vec<Vec<isize>>;
[INFO] [stderr]   | ^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stderr]   |
[INFO] [stderr]   = note: `#[warn(dead_code)]` on by default
[INFO] [stderr] 
[INFO] [stderr] warning: struct is never constructed: `Lexer`
[INFO] [stderr]  --> src/lexer.rs:6:12
[INFO] [stderr]   |
[INFO] [stderr] 6 | pub struct Lexer;
[INFO] [stderr]   |            ^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: method is never used: `new`
[INFO] [stderr]  --> src/lexer.rs:8:5
[INFO] [stderr]   |
[INFO] [stderr] 8 |     pub fn new(filename: &str) -> Cnf {
[INFO] [stderr]   |     ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: method is never used: `parse_line`
[INFO] [stderr]   --> src/lexer.rs:35:5
[INFO] [stderr]    |
[INFO] [stderr] 35 |     fn parse_line(s: &str) -> Vec<isize> {
[INFO] [stderr]    |     ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: method is never used: `new`
[INFO] [stderr]   --> src/solver.rs:13:5
[INFO] [stderr]    |
[INFO] [stderr] 13 |     pub fn new(cnf: Cnf) -> Dpll {
[INFO] [stderr]    |     ^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: method is never used: `solver`
[INFO] [stderr]   --> src/solver.rs:20:5
[INFO] [stderr]    |
[INFO] [stderr] 20 |     pub fn solver(self) -> Option<Self> {
[INFO] [stderr]    |     ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: method is never used: `unit_propagation`
[INFO] [stderr]   --> src/solver.rs:43:5
[INFO] [stderr]    |
[INFO] [stderr] 43 |     fn unit_propagation(self) -> Self {
[INFO] [stderr]    |     ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: method is never used: `assign`
[INFO] [stderr]   --> src/solver.rs:50:5
[INFO] [stderr]    |
[INFO] [stderr] 50 |     fn assign(&self, lit: Literal) -> Self {
[INFO] [stderr]    |     ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: function is never used: `retain_lit`
[INFO] [stderr]   --> src/solver.rs:64:4
[INFO] [stderr]    |
[INFO] [stderr] 64 | fn retain_lit(mut cl: Clause, lit: Literal) -> Clause {
[INFO] [stderr]    |    ^^^^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: method is never used: `exists_empty_clause`
[INFO] [stderr]   --> src/solver.rs:70:5
[INFO] [stderr]    |
[INFO] [stderr] 70 |     fn exists_empty_clause(&self) -> bool {
[INFO] [stderr]    |     ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: method is never used: `get_unit_literal`
[INFO] [stderr]   --> src/solver.rs:74:5
[INFO] [stderr]    |
[INFO] [stderr] 74 |     fn get_unit_literal(&self) -> Option<Literal> {
[INFO] [stderr]    |     ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: method is never used: `heuristic_select`
[INFO] [stderr]   --> src/solver.rs:81:5
[INFO] [stderr]    |
[INFO] [stderr] 81 |     fn heuristic_select(&self) -> Literal {
[INFO] [stderr]    |     ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: method is never used: `is_empty`
[INFO] [stderr]   --> src/solver.rs:85:5
[INFO] [stderr]    |
[INFO] [stderr] 85 |     fn is_empty(&self) -> bool {
[INFO] [stderr]    |     ^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: 13 warnings emitted
[INFO] [stderr] 
[INFO] [stderr] warning: type alias is never used: `Cnf`
[INFO] [stderr]  --> src/lexer.rs:4:1
[INFO] [stderr]   |
[INFO] [stderr] 4 | type Cnf = Vec<Vec<isize>>;
[INFO] [stderr]   | ^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stderr]   |
[INFO] [stderr]   = note: `#[warn(dead_code)]` on by default
[INFO] [stderr] 
[INFO] [stderr] warning: struct is never constructed: `Lexer`
[INFO] [stderr]  --> src/lexer.rs:6:12
[INFO] [stderr]   |
[INFO] [stderr] 6 | pub struct Lexer;
[INFO] [stderr]   |            ^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: method is never used: `new`
[INFO] [stderr]  --> src/lexer.rs:8:5
[INFO] [stderr]   |
[INFO] [stderr] 8 |     pub fn new(filename: &str) -> Cnf {
[INFO] [stderr]   |     ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: method is never used: `parse_line`
[INFO] [stderr]   --> src/lexer.rs:35:5
[INFO] [stderr]    |
[INFO] [stderr] 35 |     fn parse_line(s: &str) -> Vec<isize> {
[INFO] [stderr]    |     ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: 4 warnings emitted
[INFO] [stderr] 
[INFO] [stderr]     Finished test [unoptimized + debuginfo] target(s) in 1.69s
[INFO] running `"docker" "inspect" "d6e100f16972ce9721031090e25d113d12e31e564f0a50659e83c8743f641315"`
[INFO] running `"docker" "rm" "-f" "d6e100f16972ce9721031090e25d113d12e31e564f0a50659e83c8743f641315"`
[INFO] [stdout] d6e100f16972ce9721031090e25d113d12e31e564f0a50659e83c8743f641315
[INFO] running `"docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-9/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-9/source:/opt/rustwide/workdir:ro,Z" "-v" "/var/lib/crater-agent-workspace/cargo-home:/opt/rustwide/cargo-home:ro,Z" "-v" "/var/lib/crater-agent-workspace/rustup-home:/opt/rustwide/rustup-home:ro,Z" "-e" "SOURCE_DIR=/opt/rustwide/workdir" "-e" "MAP_USER_ID=0" "-e" "CARGO_TARGET_DIR=/opt/rustwide/target" "-e" "CARGO_INCREMENTAL=0" "-e" "RUST_BACKTRACE=full" "-e" "RUSTFLAGS=--cap-lints=warn" "-e" "CARGO_HOME=/opt/rustwide/cargo-home" "-e" "RUSTUP_HOME=/opt/rustwide/rustup-home" "-w" "/opt/rustwide/workdir" "-m" "1610612736" "--network" "none" "rustops/crates-build-env" "/opt/rustwide/cargo-home/bin/cargo" "+1.44.0" "test" "--frozen"`
[INFO] [stdout] 5a9d2bfcd33084bf6b4d264139b0db9d50fbb840f4b24fd62e86292cee546c05
[INFO] [stderr] WARNING: Your kernel does not support swap limit capabilities or the cgroup is not mounted. Memory limited without swap.
[INFO] running `"docker" "start" "-a" "5a9d2bfcd33084bf6b4d264139b0db9d50fbb840f4b24fd62e86292cee546c05"`
[INFO] [stderr] sudo: setrlimit(RLIMIT_CORE): Operation not permitted
[INFO] [stderr] warning: type alias is never used: `Cnf`
[INFO] [stderr]  --> src/lexer.rs:4:1
[INFO] [stderr]   |
[INFO] [stderr] 4 | type Cnf = Vec<Vec<isize>>;
[INFO] [stderr]   | ^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stderr]   |
[INFO] [stderr]   = note: `#[warn(dead_code)]` on by default
[INFO] [stderr] 
[INFO] [stderr] warning: struct is never constructed: `Lexer`
[INFO] [stderr]  --> src/lexer.rs:6:12
[INFO] [stderr]   |
[INFO] [stderr] 6 | pub struct Lexer;
[INFO] [stderr]   |            ^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: method is never used: `new`
[INFO] [stderr]  --> src/lexer.rs:8:5
[INFO] [stderr]   |
[INFO] [stderr] 8 |     pub fn new(filename: &str) -> Cnf {
[INFO] [stderr]   |     ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: method is never used: `parse_line`
[INFO] [stderr]   --> src/lexer.rs:35:5
[INFO] [stderr]    |
[INFO] [stderr] 35 |     fn parse_line(s: &str) -> Vec<isize> {
[INFO] [stderr]    |     ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: method is never used: `new`
[INFO] [stderr]   --> src/solver.rs:13:5
[INFO] [stderr]    |
[INFO] [stderr] 13 |     pub fn new(cnf: Cnf) -> Dpll {
[INFO] [stderr]    |     ^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: method is never used: `solver`
[INFO] [stderr]   --> src/solver.rs:20:5
[INFO] [stderr]    |
[INFO] [stderr] 20 |     pub fn solver(self) -> Option<Self> {
[INFO] [stderr]    |     ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: method is never used: `unit_propagation`
[INFO] [stderr]   --> src/solver.rs:43:5
[INFO] [stderr]    |
[INFO] [stderr] 43 |     fn unit_propagation(self) -> Self {
[INFO] [stderr]    |     ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: method is never used: `assign`
[INFO] [stderr]   --> src/solver.rs:50:5
[INFO] [stderr]    |
[INFO] [stderr] 50 |     fn assign(&self, lit: Literal) -> Self {
[INFO] [stderr]    |     ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: function is never used: `retain_lit`
[INFO] [stderr]   --> src/solver.rs:64:4
[INFO] [stderr]    |
[INFO] [stderr] 64 | fn retain_lit(mut cl: Clause, lit: Literal) -> Clause {
[INFO] [stderr]    |    ^^^^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: method is never used: `exists_empty_clause`
[INFO] [stderr]   --> src/solver.rs:70:5
[INFO] [stderr]    |
[INFO] [stderr] 70 |     fn exists_empty_clause(&self) -> bool {
[INFO] [stderr]    |     ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: method is never used: `get_unit_literal`
[INFO] [stderr]   --> src/solver.rs:74:5
[INFO] [stderr]    |
[INFO] [stderr] 74 |     fn get_unit_literal(&self) -> Option<Literal> {
[INFO] [stderr]    |     ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: method is never used: `heuristic_select`
[INFO] [stderr]   --> src/solver.rs:81:5
[INFO] [stderr]    |
[INFO] [stderr] 81 |     fn heuristic_select(&self) -> Literal {
[INFO] [stderr]    |     ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: method is never used: `is_empty`
[INFO] [stderr]   --> src/solver.rs:85:5
[INFO] [stderr]    |
[INFO] [stderr] 85 |     fn is_empty(&self) -> bool {
[INFO] [stderr]    |     ^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: 13 warnings emitted
[INFO] [stderr] 
[INFO] [stderr] warning: type alias is never used: `Cnf`
[INFO] [stderr]  --> src/lexer.rs:4:1
[INFO] [stderr]   |
[INFO] [stderr] 4 | type Cnf = Vec<Vec<isize>>;
[INFO] [stderr]   | ^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stderr]   |
[INFO] [stderr]   = note: `#[warn(dead_code)]` on by default
[INFO] [stderr] 
[INFO] [stderr] warning: struct is never constructed: `Lexer`
[INFO] [stderr]  --> src/lexer.rs:6:12
[INFO] [stderr]   |
[INFO] [stderr] 6 | pub struct Lexer;
[INFO] [stderr]   |            ^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: method is never used: `new`
[INFO] [stderr]  --> src/lexer.rs:8:5
[INFO] [stderr]   |
[INFO] [stderr] 8 |     pub fn new(filename: &str) -> Cnf {
[INFO] [stderr]   |     ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: method is never used: `parse_line`
[INFO] [stderr]   --> src/lexer.rs:35:5
[INFO] [stderr]    |
[INFO] [stderr] 35 |     fn parse_line(s: &str) -> Vec<isize> {
[INFO] [stderr]    |     ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: 4 warnings emitted
[INFO] [stderr] 
[INFO] [stderr]     Finished test [unoptimized + debuginfo] target(s) in 0.08s
[INFO] [stderr]      Running /opt/rustwide/target/debug/deps/satsolver-99a11db1f9f4646a
[INFO] [stdout] 
[INFO] [stdout] running 10 tests
[INFO] [stdout] test solver::assign_test ... ok
[INFO] [stdout] test solver::get_unit_literal_test ... ok
[INFO] [stdout] test solver::solver_test_2 ... ok
[INFO] [stdout] test solver::unit_propagation_test_1 ... ok
[INFO] [stdout] test solver::unit_propagation_test_2 ... ok
[INFO] [stdout] test solver::solver_test_1 ... ok
[INFO] [stderr]      Running /opt/rustwide/target/debug/deps/satsolver-ecb8dff88259a00a
[INFO] [stdout] test solver::retain_lit_test ... ok
[INFO] [stdout] test solver::is_empty_test ... ok
[INFO] [stdout] test solver::exists_empty_clause_test ... ok
[INFO] [stdout] test solver::heuristic_select_test ... ok
[INFO] [stdout] 
[INFO] [stdout] test result: ok. 10 passed; 0 failed; 0 ignored; 0 measured; 0 filtered out
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] running 10 tests
[INFO] [stdout] test solver::assign_test ... ok
[INFO] [stdout] test solver::exists_empty_clause_test ... ok
[INFO] [stdout] test solver::heuristic_select_test ... ok
[INFO] [stdout] test solver::get_unit_literal_test ... ok
[INFO] [stdout] test solver::unit_propagation_test_1 ... ok
[INFO] [stdout] test solver::is_empty_test ... ok
[INFO] [stdout] test solver::solver_test_2 ... ok
[INFO] [stdout] test solver::unit_propagation_test_2 ... ok
[INFO] [stdout] test solver::retain_lit_test ... ok
[INFO] [stdout] test solver::solver_test_1 ... ok
[INFO] [stdout] 
[INFO] [stdout] test result: ok. 10 passed; 0 failed; 0 ignored; 0 measured; 0 filtered out
[INFO] [stdout] 
[INFO] [stderr]    Doc-tests satsolver
[INFO] [stdout] 
[INFO] [stdout] running 0 tests
[INFO] [stdout] 
[INFO] [stdout] test result: ok. 0 passed; 0 failed; 0 ignored; 0 measured; 0 filtered out
[INFO] [stdout] 
[INFO] running `"docker" "inspect" "5a9d2bfcd33084bf6b4d264139b0db9d50fbb840f4b24fd62e86292cee546c05"`
[INFO] running `"docker" "rm" "-f" "5a9d2bfcd33084bf6b4d264139b0db9d50fbb840f4b24fd62e86292cee546c05"`
[INFO] [stdout] 5a9d2bfcd33084bf6b4d264139b0db9d50fbb840f4b24fd62e86292cee546c05