[INFO] updating cached repository https://github.com/davidspies/rsatsolver
[INFO] running `Command { std: "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", kill_on_drop: false }`
[INFO] running `Command { std: "git" "rev-parse" "HEAD", kill_on_drop: false }`
[INFO] [stdout] 35a28c3011b362d6a02d0b8ad23577f22f72d89c
[INFO] testing davidspies/rsatsolver against beta-2020-07-24 for beta-1.46-1
[INFO] running `Command { std: "git" "clone" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fdavidspies%2Frsatsolver" "/workspace/builds/worker-3/source", kill_on_drop: false }`
[INFO] [stderr] Cloning into '/workspace/builds/worker-3/source'...
[INFO] [stderr] done.
[INFO] validating manifest of git repo https://github.com/davidspies/rsatsolver on toolchain beta-2020-07-24
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+beta-2020-07-24" "read-manifest" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] started tweaking git repo https://github.com/davidspies/rsatsolver
[INFO] finished tweaking git repo https://github.com/davidspies/rsatsolver
[INFO] tweaked toml for git repo https://github.com/davidspies/rsatsolver written to /workspace/builds/worker-3/source/Cargo.toml
[INFO] crate git repo https://github.com/davidspies/rsatsolver already has a lockfile, it will not be regenerated
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+beta-2020-07-24" "fetch" "--locked" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-3/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-3/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_HOME=/opt/rustwide/cargo-home" "-e" "RUSTUP_HOME=/opt/rustwide/rustup-home" "-w" "/opt/rustwide/workdir" "-m" "1610612736" "--network" "none" "rustops/crates-build-env@sha256:a636fd89d022f18117e1dc8fb37a0a009933cdbbe082814857f0e2024962d47c" "/opt/rustwide/cargo-home/bin/cargo" "+beta-2020-07-24" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] f6e06fbdc2bcb14477e900fb08d598819e3b535ea4d4618b0f9ff9e04440d9a0
[INFO] [stderr] WARNING: Your kernel does not support swap limit capabilities or the cgroup is not mounted. Memory limited without swap.
[INFO] running `Command { std: "docker" "start" "-a" "f6e06fbdc2bcb14477e900fb08d598819e3b535ea4d4618b0f9ff9e04440d9a0", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "f6e06fbdc2bcb14477e900fb08d598819e3b535ea4d4618b0f9ff9e04440d9a0", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "f6e06fbdc2bcb14477e900fb08d598819e3b535ea4d4618b0f9ff9e04440d9a0", kill_on_drop: false }`
[INFO] [stdout] f6e06fbdc2bcb14477e900fb08d598819e3b535ea4d4618b0f9ff9e04440d9a0
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-3/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-3/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@sha256:a636fd89d022f18117e1dc8fb37a0a009933cdbbe082814857f0e2024962d47c" "/opt/rustwide/cargo-home/bin/cargo" "+beta-2020-07-24" "build" "--frozen" "--message-format=json", kill_on_drop: false }`
[INFO] [stderr] WARNING: Your kernel does not support swap limit capabilities or the cgroup is not mounted. Memory limited without swap.
[INFO] [stdout] 160de207ef706412ec7c3e9c9e00d9cb7860023d925875b5413d54d7dae633d0
[INFO] running `Command { std: "docker" "start" "-a" "160de207ef706412ec7c3e9c9e00d9cb7860023d925875b5413d54d7dae633d0", kill_on_drop: false }`
[INFO] [stderr]    Compiling rsatsolver v0.1.0 (/opt/rustwide/workdir)
[INFO] [stdout] warning: unused import: `state::State`
[INFO] [stdout]  --> src/solver.rs:4:5
[INFO] [stdout]   |
[INFO] [stdout] 4 | use state::State;
[INFO] [stdout]   |     ^^^^^^^^^^^^
[INFO] [stdout]   |
[INFO] [stdout]   = note: `#[warn(unused_imports)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused import: `wrapped::WrappedProblem`
[INFO] [stdout]  --> src/solver.rs:5:5
[INFO] [stdout]   |
[INFO] [stdout] 5 | use wrapped::WrappedProblem;
[INFO] [stdout]   |     ^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: type alias is never used: `DisjunctionIter`
[INFO] [stdout]   --> src/problem.rs:18:1
[INFO] [stdout]    |
[INFO] [stdout] 18 | pub type DisjunctionIter<'a> = hash_map::Iter<'a, Variable, Sign>;
[INFO] [stdout]    | ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout]    |
[INFO] [stdout]    = note: `#[warn(dead_code)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: associated function is never used: `len`
[INFO] [stdout]   --> src/problem.rs:21:12
[INFO] [stdout]    |
[INFO] [stdout] 21 |     pub fn len(&self) -> usize {
[INFO] [stdout]    |            ^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: associated function is never used: `iter`
[INFO] [stdout]   --> src/problem.rs:24:12
[INFO] [stdout]    |
[INFO] [stdout] 24 |     pub fn iter(&self) -> DisjunctionIter {
[INFO] [stdout]    |            ^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: struct is never constructed: `Problem`
[INFO] [stdout]   --> src/problem.rs:37:12
[INFO] [stdout]    |
[INFO] [stdout] 37 | pub struct Problem {
[INFO] [stdout]    |            ^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: associated function is never used: `vars`
[INFO] [stdout]   --> src/problem.rs:42:12
[INFO] [stdout]    |
[INFO] [stdout] 42 |     pub fn vars(&self) -> HashSet<Variable> {
[INFO] [stdout]    |            ^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: associated function is never used: `new`
[INFO] [stdout]   --> src/problem.rs:68:12
[INFO] [stdout]    |
[INFO] [stdout] 68 |     pub fn new<F: Fn(Sign) -> V>(init: F) -> SignMap<V> {
[INFO] [stdout]    |            ^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: struct is never constructed: `State`
[INFO] [stdout]  --> src/solver/state.rs:9:12
[INFO] [stdout]   |
[INFO] [stdout] 9 | pub struct State<'problem> {
[INFO] [stdout]   |            ^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: associated function is never used: `new`
[INFO] [stdout]   --> src/solver/state.rs:18:12
[INFO] [stdout]    |
[INFO] [stdout] 18 |     pub fn new(problem: &'problem Problem) -> Self {
[INFO] [stdout]    |            ^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: function is never used: `init_var`
[INFO] [stdout]   --> src/solver/state.rs:19:12
[INFO] [stdout]    |
[INFO] [stdout] 19 |         fn init_var(&v: &Variable) -> (Variable, AssignInfo) {
[INFO] [stdout]    |            ^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: associated function is never used: `is_set`
[INFO] [stdout]   --> src/solver/state.rs:41:12
[INFO] [stdout]    |
[INFO] [stdout] 41 |     pub fn is_set(&self, v: Variable) -> bool {
[INFO] [stdout]    |            ^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: associated function is never used: `sign_of`
[INFO] [stdout]   --> src/solver/state.rs:44:12
[INFO] [stdout]    |
[INFO] [stdout] 44 |     pub fn sign_of(&self, v: Variable) -> Option<Sign> {
[INFO] [stdout]    |            ^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: associated function is never used: `add_disjunction`
[INFO] [stdout]   --> src/solver/state.rs:47:12
[INFO] [stdout]    |
[INFO] [stdout] 47 |     pub fn add_disjunction(&mut self, disjunction: &'problem Disjunction) {
[INFO] [stdout]    |            ^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: associated function is never used: `assign`
[INFO] [stdout]   --> src/solver/state.rs:59:12
[INFO] [stdout]    |
[INFO] [stdout] 59 |     pub fn assign(&mut self, var: Variable, sig: Sign) {
[INFO] [stdout]    |            ^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: associated function is never used: `unassign`
[INFO] [stdout]   --> src/solver/state.rs:86:12
[INFO] [stdout]    |
[INFO] [stdout] 86 |     pub fn unassign(&mut self, var: Variable) {
[INFO] [stdout]    |            ^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: associated function is never used: `get_and_clear_propagators`
[INFO] [stdout]    --> src/solver/state.rs:105:12
[INFO] [stdout]     |
[INFO] [stdout] 105 |     pub fn get_and_clear_propagators(&mut self) -> Vec<&'problem Disjunction> {
[INFO] [stdout]     |            ^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: associated function is never used: `get_and_clear_pures`
[INFO] [stdout]    --> src/solver/state.rs:108:12
[INFO] [stdout]     |
[INFO] [stdout] 108 |     pub fn get_and_clear_pures(&mut self) -> Vec<Variable> {
[INFO] [stdout]     |            ^^^^^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: struct is never constructed: `AssignInfo`
[INFO] [stdout]    --> src/solver/state.rs:113:8
[INFO] [stdout]     |
[INFO] [stdout] 113 | struct AssignInfo {
[INFO] [stdout]     |        ^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: struct is never constructed: `DisjunctionInfo`
[INFO] [stdout]    --> src/solver/state.rs:118:8
[INFO] [stdout]     |
[INFO] [stdout] 118 | struct DisjunctionInfo<'problem> {
[INFO] [stdout]     |        ^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: associated function is never used: `new`
[INFO] [stdout]    --> src/solver/state.rs:125:8
[INFO] [stdout]     |
[INFO] [stdout] 125 |     fn new(state: &State, disjunction: &'problem Disjunction) -> Self {
[INFO] [stdout]     |        ^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: struct is never constructed: `WrappedProblem`
[INFO] [stdout]  --> src/solver/wrapped.rs:6:12
[INFO] [stdout]   |
[INFO] [stdout] 6 | pub struct WrappedProblem {
[INFO] [stdout]   |            ^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: type alias is never used: `AllDisjunctionsIter`
[INFO] [stdout]   --> src/solver/wrapped.rs:11:1
[INFO] [stdout]    |
[INFO] [stdout] 11 | / pub type AllDisjunctionsIter<'a> =
[INFO] [stdout] 12 | |     Chain<slice::Iter<'a, Disjunction>, slice::Iter<'a, Disjunction>>;
[INFO] [stdout]    | |______________________________________________________________________^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: associated function is never used: `disjunctions`
[INFO] [stdout]   --> src/solver/wrapped.rs:15:12
[INFO] [stdout]    |
[INFO] [stdout] 15 |     pub fn disjunctions(&self) -> AllDisjunctionsIter {
[INFO] [stdout]    |            ^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: struct is never constructed: `Solver`
[INFO] [stdout]  --> src/solver.rs:7:8
[INFO] [stdout]   |
[INFO] [stdout] 7 | struct Solver {
[INFO] [stdout]   |        ^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 0.58s
[INFO] [stdout] warning: 25 warnings emitted
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] running `Command { std: "docker" "inspect" "160de207ef706412ec7c3e9c9e00d9cb7860023d925875b5413d54d7dae633d0", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "160de207ef706412ec7c3e9c9e00d9cb7860023d925875b5413d54d7dae633d0", kill_on_drop: false }`
[INFO] [stdout] 160de207ef706412ec7c3e9c9e00d9cb7860023d925875b5413d54d7dae633d0
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-3/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-3/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@sha256:a636fd89d022f18117e1dc8fb37a0a009933cdbbe082814857f0e2024962d47c" "/opt/rustwide/cargo-home/bin/cargo" "+beta-2020-07-24" "test" "--frozen" "--no-run" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] f484f8f11c555d86e21317764140a22e043cd7ce72ea4bf4dd2c5e17e94bfb09
[INFO] [stderr] WARNING: Your kernel does not support swap limit capabilities or the cgroup is not mounted. Memory limited without swap.
[INFO] running `Command { std: "docker" "start" "-a" "f484f8f11c555d86e21317764140a22e043cd7ce72ea4bf4dd2c5e17e94bfb09", kill_on_drop: false }`
[INFO] [stderr]    Compiling rsatsolver v0.1.0 (/opt/rustwide/workdir)
[INFO] [stdout] warning: unused import: `state::State`
[INFO] [stdout]  --> src/solver.rs:4:5
[INFO] [stdout]   |
[INFO] [stdout] 4 | use state::State;
[INFO] [stdout]   |     ^^^^^^^^^^^^
[INFO] [stdout]   |
[INFO] [stdout]   = note: `#[warn(unused_imports)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused import: `wrapped::WrappedProblem`
[INFO] [stdout]  --> src/solver.rs:5:5
[INFO] [stdout]   |
[INFO] [stdout] 5 | use wrapped::WrappedProblem;
[INFO] [stdout]   |     ^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: type alias is never used: `DisjunctionIter`
[INFO] [stdout]   --> src/problem.rs:18:1
[INFO] [stdout]    |
[INFO] [stdout] 18 | pub type DisjunctionIter<'a> = hash_map::Iter<'a, Variable, Sign>;
[INFO] [stdout]    | ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout]    |
[INFO] [stdout]    = note: `#[warn(dead_code)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: associated function is never used: `len`
[INFO] [stdout]   --> src/problem.rs:21:12
[INFO] [stdout]    |
[INFO] [stdout] 21 |     pub fn len(&self) -> usize {
[INFO] [stdout]    |            ^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: associated function is never used: `iter`
[INFO] [stdout]   --> src/problem.rs:24:12
[INFO] [stdout]    |
[INFO] [stdout] 24 |     pub fn iter(&self) -> DisjunctionIter {
[INFO] [stdout]    |            ^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: struct is never constructed: `Problem`
[INFO] [stdout]   --> src/problem.rs:37:12
[INFO] [stdout]    |
[INFO] [stdout] 37 | pub struct Problem {
[INFO] [stdout]    |            ^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: associated function is never used: `vars`
[INFO] [stdout]   --> src/problem.rs:42:12
[INFO] [stdout]    |
[INFO] [stdout] 42 |     pub fn vars(&self) -> HashSet<Variable> {
[INFO] [stdout]    |            ^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: associated function is never used: `new`
[INFO] [stdout]   --> src/problem.rs:68:12
[INFO] [stdout]    |
[INFO] [stdout] 68 |     pub fn new<F: Fn(Sign) -> V>(init: F) -> SignMap<V> {
[INFO] [stdout]    |            ^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: struct is never constructed: `State`
[INFO] [stdout]  --> src/solver/state.rs:9:12
[INFO] [stdout]   |
[INFO] [stdout] 9 | pub struct State<'problem> {
[INFO] [stdout]   |            ^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: associated function is never used: `new`
[INFO] [stdout]   --> src/solver/state.rs:18:12
[INFO] [stdout]    |
[INFO] [stdout] 18 |     pub fn new(problem: &'problem Problem) -> Self {
[INFO] [stdout]    |            ^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: function is never used: `init_var`
[INFO] [stdout]   --> src/solver/state.rs:19:12
[INFO] [stdout]    |
[INFO] [stdout] 19 |         fn init_var(&v: &Variable) -> (Variable, AssignInfo) {
[INFO] [stdout]    |            ^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: associated function is never used: `is_set`
[INFO] [stdout]   --> src/solver/state.rs:41:12
[INFO] [stdout]    |
[INFO] [stdout] 41 |     pub fn is_set(&self, v: Variable) -> bool {
[INFO] [stdout]    |            ^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: associated function is never used: `sign_of`
[INFO] [stdout]   --> src/solver/state.rs:44:12
[INFO] [stdout]    |
[INFO] [stdout] 44 |     pub fn sign_of(&self, v: Variable) -> Option<Sign> {
[INFO] [stdout]    |            ^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: associated function is never used: `add_disjunction`
[INFO] [stdout]   --> src/solver/state.rs:47:12
[INFO] [stdout]    |
[INFO] [stdout] 47 |     pub fn add_disjunction(&mut self, disjunction: &'problem Disjunction) {
[INFO] [stdout]    |            ^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: associated function is never used: `assign`
[INFO] [stdout]   --> src/solver/state.rs:59:12
[INFO] [stdout]    |
[INFO] [stdout] 59 |     pub fn assign(&mut self, var: Variable, sig: Sign) {
[INFO] [stdout]    |            ^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: associated function is never used: `unassign`
[INFO] [stdout]   --> src/solver/state.rs:86:12
[INFO] [stdout]    |
[INFO] [stdout] 86 |     pub fn unassign(&mut self, var: Variable) {
[INFO] [stdout]    |            ^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: associated function is never used: `get_and_clear_propagators`
[INFO] [stdout]    --> src/solver/state.rs:105:12
[INFO] [stdout]     |
[INFO] [stdout] 105 |     pub fn get_and_clear_propagators(&mut self) -> Vec<&'problem Disjunction> {
[INFO] [stdout]     |            ^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: associated function is never used: `get_and_clear_pures`
[INFO] [stdout]    --> src/solver/state.rs:108:12
[INFO] [stdout]     |
[INFO] [stdout] 108 |     pub fn get_and_clear_pures(&mut self) -> Vec<Variable> {
[INFO] [stdout]     |            ^^^^^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: struct is never constructed: `AssignInfo`
[INFO] [stdout]    --> src/solver/state.rs:113:8
[INFO] [stdout]     |
[INFO] [stdout] 113 | struct AssignInfo {
[INFO] [stdout]     |        ^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: struct is never constructed: `DisjunctionInfo`
[INFO] [stdout]    --> src/solver/state.rs:118:8
[INFO] [stdout]     |
[INFO] [stdout] 118 | struct DisjunctionInfo<'problem> {
[INFO] [stdout]     |        ^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: associated function is never used: `new`
[INFO] [stdout]    --> src/solver/state.rs:125:8
[INFO] [stdout]     |
[INFO] [stdout] 125 |     fn new(state: &State, disjunction: &'problem Disjunction) -> Self {
[INFO] [stdout]     |        ^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: struct is never constructed: `WrappedProblem`
[INFO] [stdout]  --> src/solver/wrapped.rs:6:12
[INFO] [stdout]   |
[INFO] [stdout] 6 | pub struct WrappedProblem {
[INFO] [stdout]   |            ^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: type alias is never used: `AllDisjunctionsIter`
[INFO] [stdout]   --> src/solver/wrapped.rs:11:1
[INFO] [stdout]    |
[INFO] [stdout] 11 | / pub type AllDisjunctionsIter<'a> =
[INFO] [stdout] 12 | |     Chain<slice::Iter<'a, Disjunction>, slice::Iter<'a, Disjunction>>;
[INFO] [stdout]    | |______________________________________________________________________^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: associated function is never used: `disjunctions`
[INFO] [stdout]   --> src/solver/wrapped.rs:15:12
[INFO] [stdout]    |
[INFO] [stdout] 15 |     pub fn disjunctions(&self) -> AllDisjunctionsIter {
[INFO] [stdout]    |            ^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: struct is never constructed: `Solver`
[INFO] [stdout]  --> src/solver.rs:7:8
[INFO] [stdout]   |
[INFO] [stdout] 7 | struct Solver {
[INFO] [stdout]   |        ^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: 25 warnings emitted
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr]     Finished test [unoptimized + debuginfo] target(s) in 0.75s
[INFO] running `Command { std: "docker" "inspect" "f484f8f11c555d86e21317764140a22e043cd7ce72ea4bf4dd2c5e17e94bfb09", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "f484f8f11c555d86e21317764140a22e043cd7ce72ea4bf4dd2c5e17e94bfb09", kill_on_drop: false }`
[INFO] [stdout] f484f8f11c555d86e21317764140a22e043cd7ce72ea4bf4dd2c5e17e94bfb09
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-3/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-3/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@sha256:a636fd89d022f18117e1dc8fb37a0a009933cdbbe082814857f0e2024962d47c" "/opt/rustwide/cargo-home/bin/cargo" "+beta-2020-07-24" "test" "--frozen", kill_on_drop: false }`
[INFO] [stderr] WARNING: Your kernel does not support swap limit capabilities or the cgroup is not mounted. Memory limited without swap.
[INFO] [stdout] 034caf0837a95121a85ba7a6bb2e0d2cc9cde77cf5974aa32c083666aaba1b50
[INFO] running `Command { std: "docker" "start" "-a" "034caf0837a95121a85ba7a6bb2e0d2cc9cde77cf5974aa32c083666aaba1b50", kill_on_drop: false }`
[INFO] [stderr] warning: unused import: `state::State`
[INFO] [stderr]  --> src/solver.rs:4:5
[INFO] [stderr]   |
[INFO] [stderr] 4 | use state::State;
[INFO] [stderr]   |     ^^^^^^^^^^^^
[INFO] [stderr]   |
[INFO] [stderr]   = note: `#[warn(unused_imports)]` on by default
[INFO] [stderr] 
[INFO] [stderr] warning: unused import: `wrapped::WrappedProblem`
[INFO] [stderr]  --> src/solver.rs:5:5
[INFO] [stderr]   |
[INFO] [stderr] 5 | use wrapped::WrappedProblem;
[INFO] [stderr]   |     ^^^^^^^^^^^^^^^^^^^^^^^
[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]    = note: `#[warn(dead_code)]` on by default
[INFO] [stderr] 
[INFO] [stderr] warning: associated function is never used: `len`
[INFO] [stderr]   --> src/problem.rs:21:12
[INFO] [stderr]    |
[INFO] [stderr] 21 |     pub fn len(&self) -> usize {
[INFO] [stderr]    |            ^^^
[INFO] [stderr] 
[INFO] [stderr] warning: associated function is never used: `iter`
[INFO] [stderr]   --> src/problem.rs:24:12
[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:37:12
[INFO] [stderr]    |
[INFO] [stderr] 37 | pub struct Problem {
[INFO] [stderr]    |            ^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: associated function is never used: `vars`
[INFO] [stderr]   --> src/problem.rs:42:12
[INFO] [stderr]    |
[INFO] [stderr] 42 |     pub fn vars(&self) -> HashSet<Variable> {
[INFO] [stderr]    |            ^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: associated function is never used: `new`
[INFO] [stderr]   --> src/problem.rs:68:12
[INFO] [stderr]    |
[INFO] [stderr] 68 |     pub fn new<F: Fn(Sign) -> V>(init: F) -> SignMap<V> {
[INFO] [stderr]    |            ^^^
[INFO] [stderr] 
[INFO] [stderr] warning: struct is never constructed: `State`
[INFO] [stderr]  --> src/solver/state.rs:9:12
[INFO] [stderr]   |
[INFO] [stderr] 9 | pub struct State<'problem> {
[INFO] [stderr]   |            ^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: associated function is never used: `new`
[INFO] [stderr]   --> src/solver/state.rs:18:12
[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:19:12
[INFO] [stderr]    |
[INFO] [stderr] 19 |         fn init_var(&v: &Variable) -> (Variable, AssignInfo) {
[INFO] [stderr]    |            ^^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: associated function is never used: `is_set`
[INFO] [stderr]   --> src/solver/state.rs:41:12
[INFO] [stderr]    |
[INFO] [stderr] 41 |     pub fn is_set(&self, v: Variable) -> bool {
[INFO] [stderr]    |            ^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: associated function is never used: `sign_of`
[INFO] [stderr]   --> src/solver/state.rs:44:12
[INFO] [stderr]    |
[INFO] [stderr] 44 |     pub fn sign_of(&self, v: Variable) -> Option<Sign> {
[INFO] [stderr]    |            ^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: associated function is never used: `add_disjunction`
[INFO] [stderr]   --> src/solver/state.rs:47:12
[INFO] [stderr]    |
[INFO] [stderr] 47 |     pub fn add_disjunction(&mut self, disjunction: &'problem Disjunction) {
[INFO] [stderr]    |            ^^^^^^^^^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: associated function is never used: `assign`
[INFO] [stderr]   --> src/solver/state.rs:59:12
[INFO] [stderr]    |
[INFO] [stderr] 59 |     pub fn assign(&mut self, var: Variable, sig: Sign) {
[INFO] [stderr]    |            ^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: associated function is never used: `unassign`
[INFO] [stderr]   --> src/solver/state.rs:86:12
[INFO] [stderr]    |
[INFO] [stderr] 86 |     pub fn unassign(&mut self, var: Variable) {
[INFO] [stderr]    |            ^^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: associated function is never used: `get_and_clear_propagators`
[INFO] [stderr]    --> src/solver/state.rs:105:12
[INFO] [stderr]     |
[INFO] [stderr] 105 |     pub fn get_and_clear_propagators(&mut self) -> Vec<&'problem Disjunction> {
[INFO] [stderr]     |            ^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: associated function is never used: `get_and_clear_pures`
[INFO] [stderr]    --> src/solver/state.rs:108:12
[INFO] [stderr]     |
[INFO] [stderr] 108 |     pub fn get_and_clear_pures(&mut self) -> Vec<Variable> {
[INFO] [stderr]     |            ^^^^^^^^^^^^^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: struct is never constructed: `AssignInfo`
[INFO] [stderr]    --> src/solver/state.rs:113:8
[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:118:8
[INFO] [stderr]     |
[INFO] [stderr] 118 | struct DisjunctionInfo<'problem> {
[INFO] [stderr]     |        ^^^^^^^^^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: associated function is never used: `new`
[INFO] [stderr]    --> src/solver/state.rs:125:8
[INFO] [stderr]     |
[INFO] [stderr] 125 |     fn new(state: &State, disjunction: &'problem Disjunction) -> Self {
[INFO] [stderr]     |        ^^^
[INFO] [stderr] 
[INFO] [stderr] warning: struct is never constructed: `WrappedProblem`
[INFO] [stderr]  --> src/solver/wrapped.rs:6:12
[INFO] [stderr]   |
[INFO] [stderr] 6 | pub struct WrappedProblem {
[INFO] [stderr]   |            ^^^^^^^^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: type alias is never used: `AllDisjunctionsIter`
[INFO] [stderr]   --> src/solver/wrapped.rs:11:1
[INFO] [stderr]    |
[INFO] [stderr] 11 | / pub type AllDisjunctionsIter<'a> =
[INFO] [stderr] 12 | |     Chain<slice::Iter<'a, Disjunction>, slice::Iter<'a, Disjunction>>;
[INFO] [stderr]    | |______________________________________________________________________^
[INFO] [stderr] 
[INFO] [stderr] warning: associated function is never used: `disjunctions`
[INFO] [stderr]   --> src/solver/wrapped.rs:15:12
[INFO] [stderr]    |
[INFO] [stderr] 15 |     pub fn disjunctions(&self) -> AllDisjunctionsIter {
[INFO] [stderr]    |            ^^^^^^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: struct is never constructed: `Solver`
[INFO] [stderr]  --> src/solver.rs:7:8
[INFO] [stderr]   |
[INFO] [stderr] 7 | struct Solver {
[INFO] [stderr]   |        ^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: 25 warnings emitted
[INFO] [stderr] 
[INFO] [stderr]     Finished test [unoptimized + debuginfo] target(s) in 0.02s
[INFO] [stderr]      Running /opt/rustwide/target/debug/deps/rsatsolver-75492d7b02d60563
[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 `Command { std: "docker" "inspect" "034caf0837a95121a85ba7a6bb2e0d2cc9cde77cf5974aa32c083666aaba1b50", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "034caf0837a95121a85ba7a6bb2e0d2cc9cde77cf5974aa32c083666aaba1b50", kill_on_drop: false }`
[INFO] [stdout] 034caf0837a95121a85ba7a6bb2e0d2cc9cde77cf5974aa32c083666aaba1b50