[INFO] cloning repository https://github.com/Hinogary/sat-solver [INFO] running `Command { std: "git" "-c" "credential.helper=" "-c" "credential.helper=/workspace/cargo-home/bin/git-credential-null" "clone" "--bare" "https://github.com/Hinogary/sat-solver" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2FHinogary%2Fsat-solver", kill_on_drop: false }` [INFO] [stderr] Cloning into bare repository '/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2FHinogary%2Fsat-solver'... [INFO] running `Command { std: "git" "rev-parse" "HEAD", kill_on_drop: false }` [INFO] [stdout] 7c8b9f9572ce65dfb07705bc04d5e11151d1b1b2 [INFO] testing Hinogary/sat-solver against beta-2021-01-01 for beta-1.50-1 [INFO] running `Command { std: "git" "clone" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2FHinogary%2Fsat-solver" "/workspace/builds/worker-1/source", kill_on_drop: false }` [INFO] [stderr] Cloning into '/workspace/builds/worker-1/source'... [INFO] [stderr] done. [INFO] validating manifest of git repo https://github.com/Hinogary/sat-solver on toolchain beta-2021-01-01 [INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+beta-2021-01-01" "read-manifest" "--manifest-path" "Cargo.toml", kill_on_drop: false }` [INFO] started tweaking git repo https://github.com/Hinogary/sat-solver [INFO] finished tweaking git repo https://github.com/Hinogary/sat-solver [INFO] tweaked toml for git repo https://github.com/Hinogary/sat-solver written to /workspace/builds/worker-1/source/Cargo.toml [INFO] crate git repo https://github.com/Hinogary/sat-solver already has a lockfile, it will not be regenerated [INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+beta-2021-01-01" "fetch" "--locked" "--manifest-path" "Cargo.toml", kill_on_drop: false }` [INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-1/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" "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" "--user" "0:0" "--network" "none" "rustops/crates-build-env@sha256:c8ac004eab7d63a0ad09a2dde3d3353ba464f767bee4de425dc8f74c46a1905e" "/opt/rustwide/cargo-home/bin/cargo" "+beta-2021-01-01" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }` [INFO] [stdout] 0c2b73f13f2872e4a7a9a5556b02942d11adde0e5339b840812e8e6e53abaa71 [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" "0c2b73f13f2872e4a7a9a5556b02942d11adde0e5339b840812e8e6e53abaa71", kill_on_drop: false }` [INFO] running `Command { std: "docker" "inspect" "0c2b73f13f2872e4a7a9a5556b02942d11adde0e5339b840812e8e6e53abaa71", kill_on_drop: false }` [INFO] running `Command { std: "docker" "rm" "-f" "0c2b73f13f2872e4a7a9a5556b02942d11adde0e5339b840812e8e6e53abaa71", kill_on_drop: false }` [INFO] [stdout] 0c2b73f13f2872e4a7a9a5556b02942d11adde0e5339b840812e8e6e53abaa71 [INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-1/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" "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" "--user" "0:0" "--network" "none" "rustops/crates-build-env@sha256:c8ac004eab7d63a0ad09a2dde3d3353ba464f767bee4de425dc8f74c46a1905e" "/opt/rustwide/cargo-home/bin/cargo" "+beta-2021-01-01" "build" "--frozen" "--message-format=json", kill_on_drop: false }` [INFO] [stdout] d84c28741277028c01bd3b96c1976e245647567c52f7e530e6011469e88bb3fb [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" "d84c28741277028c01bd3b96c1976e245647567c52f7e530e6011469e88bb3fb", kill_on_drop: false }` [INFO] [stderr] Compiling syn v1.0.54 [INFO] [stderr] Compiling regex-syntax v0.6.21 [INFO] [stderr] Compiling utf8-ranges v1.0.4 [INFO] [stderr] Compiling beef v0.4.4 [INFO] [stderr] Compiling itertools v0.9.0 [INFO] [stderr] Compiling quote v1.0.7 [INFO] [stderr] Compiling logos-derive v0.11.5 [INFO] [stderr] Compiling logos v0.11.4 [INFO] [stderr] Compiling sat-solver v0.1.0 (/opt/rustwide/workdir) [INFO] [stdout] warning: unused import: `str_to_clause` [INFO] [stdout] --> src/main.rs:275:15 [INFO] [stdout] | [INFO] [stdout] 275 | use parsing::{str_to_clause, str_to_clauses}; [INFO] [stdout] | ^^^^^^^^^^^^^ [INFO] [stdout] | [INFO] [stdout] = note: `#[warn(unused_imports)]` on by default [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning[E0170]: pattern binding `Undef` is named the same as one of the variants of the type `VarSource` [INFO] [stdout] --> src/main.rs:204:13 [INFO] [stdout] | [INFO] [stdout] 204 | Undef => MaybeBool::undef(), [INFO] [stdout] | ^^^^^ help: to match on the variant, qualify the path: `VarSource::Undef` [INFO] [stdout] | [INFO] [stdout] = note: `#[warn(bindings_with_variant_name)]` on by default [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: unused variable: `Undef` [INFO] [stdout] --> src/main.rs:204:13 [INFO] [stdout] | [INFO] [stdout] 204 | Undef => MaybeBool::undef(), [INFO] [stdout] | ^^^^^ help: if this is intentional, prefix it with an underscore: `_Undef` [INFO] [stdout] | [INFO] [stdout] = note: `#[warn(unused_variables)]` on by default [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: unused variable: `search_state` [INFO] [stdout] --> src/main.rs:240:34 [INFO] [stdout] | [INFO] [stdout] 240 | fn choose_variable_to_assign(search_state: &SearchState){ [INFO] [stdout] | ^^^^^^^^^^^^ help: if this is intentional, prefix it with an underscore: `_search_state` [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: unused variable: `var` [INFO] [stdout] --> src/main.rs:243:24 [INFO] [stdout] | [INFO] [stdout] 243 | fn select_variable(var: Var){ [INFO] [stdout] | ^^^ help: if this is intentional, prefix it with an underscore: `_var` [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: unused variable: `var` [INFO] [stdout] --> src/main.rs:246:26 [INFO] [stdout] | [INFO] [stdout] 246 | fn deselect_variable(var: Var){ [INFO] [stdout] | ^^^ help: if this is intentional, prefix it with an underscore: `_var` [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: variable does not need to be mutable [INFO] [stdout] --> src/main.rs:643:13 [INFO] [stdout] | [INFO] [stdout] 643 | let mut conflict_plane: UnsafeCell<_> = conflict_plane.into(); [INFO] [stdout] | ----^^^^^^^^^^^^^^ [INFO] [stdout] | | [INFO] [stdout] | help: remove this `mut` [INFO] [stdout] | [INFO] [stdout] = note: `#[warn(unused_mut)]` on by default [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: associated function is never used: `into_inner` [INFO] [stdout] --> src/main.rs:33:8 [INFO] [stdout] | [INFO] [stdout] 33 | fn into_inner(self) -> Option { [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: `into_maybe_bool` [INFO] [stdout] --> src/main.rs:57:8 [INFO] [stdout] | [INFO] [stdout] 57 | fn into_maybe_bool(self) -> MaybeBool { [INFO] [stdout] | ^^^^^^^^^^^^^^^ [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: associated function is never used: `is_empty` [INFO] [stdout] --> src/main.rs:182:8 [INFO] [stdout] | [INFO] [stdout] 182 | fn is_empty(&self) -> bool { [INFO] [stdout] | ^^^^^^^^ [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: field is never read: `trail` [INFO] [stdout] --> src/main.rs:252:5 [INFO] [stdout] | [INFO] [stdout] 252 | trail: Vec, [INFO] [stdout] | ^^^^^^^^^^^^^^^^^^^^^^ [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: field is never read: `deductions` [INFO] [stdout] --> src/main.rs:253:5 [INFO] [stdout] | [INFO] [stdout] 253 | deductions: Vec<(Var, usize)> [INFO] [stdout] | ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^ [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: function is never used: `str_to_clause` [INFO] [stdout] --> src/parsing.rs:69:8 [INFO] [stdout] | [INFO] [stdout] 69 | pub fn str_to_clause(clause: &str) -> Clause { [INFO] [stdout] | ^^^^^^^^^^^^^ [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: function is never used: `dimacs` [INFO] [stdout] --> src/parsing.rs:115:8 [INFO] [stdout] | [INFO] [stdout] 115 | pub fn dimacs(dimacs: &str) -> Vec { [INFO] [stdout] | ^^^^^^ [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: unused `std::result::Result` that must be used [INFO] [stdout] --> src/main.rs:68:13 [INFO] [stdout] | [INFO] [stdout] 68 | write!(f, "~"); [INFO] [stdout] | ^^^^^^^^^^^^^^^ [INFO] [stdout] | [INFO] [stdout] = note: `#[warn(unused_must_use)]` on by default [INFO] [stdout] = note: this `Result` may be an `Err` variant, which should be handled [INFO] [stdout] = note: this warning originates in a macro (in Nightly builds, run with -Z macro-backtrace for more info) [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: unused `std::result::Result` that must be used [INFO] [stdout] --> src/main.rs:132:9 [INFO] [stdout] | [INFO] [stdout] 132 | write!(f, "("); [INFO] [stdout] | ^^^^^^^^^^^^^^^ [INFO] [stdout] | [INFO] [stdout] = note: this `Result` may be an `Err` variant, which should be handled [INFO] [stdout] = note: this warning originates in a macro (in Nightly builds, run with -Z macro-backtrace for more info) [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: unused `std::result::Result` that must be used [INFO] [stdout] --> src/main.rs:134:13 [INFO] [stdout] | [INFO] [stdout] 134 | write!(f, "{}", lit); [INFO] [stdout] | ^^^^^^^^^^^^^^^^^^^^^ [INFO] [stdout] | [INFO] [stdout] = note: this `Result` may be an `Err` variant, which should be handled [INFO] [stdout] = note: this warning originates in a macro (in Nightly builds, run with -Z macro-backtrace for more info) [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: unused `std::result::Result` that must be used [INFO] [stdout] --> src/main.rs:137:13 [INFO] [stdout] | [INFO] [stdout] 137 | write!(f, " v {}", lit); [INFO] [stdout] | ^^^^^^^^^^^^^^^^^^^^^^^^ [INFO] [stdout] | [INFO] [stdout] = note: this `Result` may be an `Err` variant, which should be handled [INFO] [stdout] = note: this warning originates in a macro (in Nightly builds, run with -Z macro-backtrace for more info) [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: variable `Undef` should have a snake case name [INFO] [stdout] --> src/main.rs:204:13 [INFO] [stdout] | [INFO] [stdout] 204 | Undef => MaybeBool::undef(), [INFO] [stdout] | ^^^^^ help: convert the identifier to snake case (notice the capitalization): `undef` [INFO] [stdout] | [INFO] [stdout] = note: `#[warn(non_snake_case)]` on by default [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: 19 warnings emitted [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] For more information about this error, try `rustc --explain E0170`. [INFO] [stdout] [INFO] [stderr] Finished dev [unoptimized + debuginfo] target(s) in 31.62s [INFO] running `Command { std: "docker" "inspect" "d84c28741277028c01bd3b96c1976e245647567c52f7e530e6011469e88bb3fb", kill_on_drop: false }` [INFO] running `Command { std: "docker" "rm" "-f" "d84c28741277028c01bd3b96c1976e245647567c52f7e530e6011469e88bb3fb", kill_on_drop: false }` [INFO] [stdout] d84c28741277028c01bd3b96c1976e245647567c52f7e530e6011469e88bb3fb [INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-1/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" "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" "--user" "0:0" "--network" "none" "rustops/crates-build-env@sha256:c8ac004eab7d63a0ad09a2dde3d3353ba464f767bee4de425dc8f74c46a1905e" "/opt/rustwide/cargo-home/bin/cargo" "+beta-2021-01-01" "test" "--frozen" "--no-run" "--message-format=json", kill_on_drop: false }` [INFO] [stdout] dcc7af317e5fe6dd5fd77b416defe8a6ce6287e4091258aafea3f7c997d2411b [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" "dcc7af317e5fe6dd5fd77b416defe8a6ce6287e4091258aafea3f7c997d2411b", kill_on_drop: false }` [INFO] [stderr] Compiling sat-solver v0.1.0 (/opt/rustwide/workdir) [INFO] [stdout] warning[E0170]: pattern binding `Undef` is named the same as one of the variants of the type `VarSource` [INFO] [stdout] --> src/main.rs:204:13 [INFO] [stdout] | [INFO] [stdout] 204 | Undef => MaybeBool::undef(), [INFO] [stdout] | ^^^^^ help: to match on the variant, qualify the path: `VarSource::Undef` [INFO] [stdout] | [INFO] [stdout] = note: `#[warn(bindings_with_variant_name)]` on by default [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: unused variable: `Undef` [INFO] [stdout] --> src/main.rs:204:13 [INFO] [stdout] | [INFO] [stdout] 204 | Undef => MaybeBool::undef(), [INFO] [stdout] | ^^^^^ help: if this is intentional, prefix it with an underscore: `_Undef` [INFO] [stdout] | [INFO] [stdout] = note: `#[warn(unused_variables)]` on by default [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: unused variable: `search_state` [INFO] [stdout] --> src/main.rs:240:34 [INFO] [stdout] | [INFO] [stdout] 240 | fn choose_variable_to_assign(search_state: &SearchState){ [INFO] [stdout] | ^^^^^^^^^^^^ help: if this is intentional, prefix it with an underscore: `_search_state` [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: unused variable: `var` [INFO] [stdout] --> src/main.rs:243:24 [INFO] [stdout] | [INFO] [stdout] 243 | fn select_variable(var: Var){ [INFO] [stdout] | ^^^ help: if this is intentional, prefix it with an underscore: `_var` [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: unused variable: `var` [INFO] [stdout] --> src/main.rs:246:26 [INFO] [stdout] | [INFO] [stdout] 246 | fn deselect_variable(var: Var){ [INFO] [stdout] | ^^^ help: if this is intentional, prefix it with an underscore: `_var` [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: variable does not need to be mutable [INFO] [stdout] --> src/main.rs:643:13 [INFO] [stdout] | [INFO] [stdout] 643 | let mut conflict_plane: UnsafeCell<_> = conflict_plane.into(); [INFO] [stdout] | ----^^^^^^^^^^^^^^ [INFO] [stdout] | | [INFO] [stdout] | help: remove this `mut` [INFO] [stdout] | [INFO] [stdout] = note: `#[warn(unused_mut)]` on by default [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: associated function is never used: `into_inner` [INFO] [stdout] --> src/main.rs:33:8 [INFO] [stdout] | [INFO] [stdout] 33 | fn into_inner(self) -> Option { [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: `into_maybe_bool` [INFO] [stdout] --> src/main.rs:57:8 [INFO] [stdout] | [INFO] [stdout] 57 | fn into_maybe_bool(self) -> MaybeBool { [INFO] [stdout] | ^^^^^^^^^^^^^^^ [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: associated function is never used: `is_empty` [INFO] [stdout] --> src/main.rs:182:8 [INFO] [stdout] | [INFO] [stdout] 182 | fn is_empty(&self) -> bool { [INFO] [stdout] | ^^^^^^^^ [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: field is never read: `trail` [INFO] [stdout] --> src/main.rs:252:5 [INFO] [stdout] | [INFO] [stdout] 252 | trail: Vec, [INFO] [stdout] | ^^^^^^^^^^^^^^^^^^^^^^ [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: field is never read: `deductions` [INFO] [stdout] --> src/main.rs:253:5 [INFO] [stdout] | [INFO] [stdout] 253 | deductions: Vec<(Var, usize)> [INFO] [stdout] | ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^ [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: function is never used: `test_dimacs_parser` [INFO] [stdout] --> src/parsing.rs:316:8 [INFO] [stdout] | [INFO] [stdout] 316 | fn test_dimacs_parser() {} [INFO] [stdout] | ^^^^^^^^^^^^^^^^^^ [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: unused `std::result::Result` that must be used [INFO] [stdout] --> src/main.rs:68:13 [INFO] [stdout] | [INFO] [stdout] 68 | write!(f, "~"); [INFO] [stdout] | ^^^^^^^^^^^^^^^ [INFO] [stdout] | [INFO] [stdout] = note: `#[warn(unused_must_use)]` on by default [INFO] [stdout] = note: this `Result` may be an `Err` variant, which should be handled [INFO] [stdout] = note: this warning originates in a macro (in Nightly builds, run with -Z macro-backtrace for more info) [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: unused `std::result::Result` that must be used [INFO] [stdout] --> src/main.rs:132:9 [INFO] [stdout] | [INFO] [stdout] 132 | write!(f, "("); [INFO] [stdout] | ^^^^^^^^^^^^^^^ [INFO] [stdout] | [INFO] [stdout] = note: this `Result` may be an `Err` variant, which should be handled [INFO] [stdout] = note: this warning originates in a macro (in Nightly builds, run with -Z macro-backtrace for more info) [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: unused `std::result::Result` that must be used [INFO] [stdout] --> src/main.rs:134:13 [INFO] [stdout] | [INFO] [stdout] 134 | write!(f, "{}", lit); [INFO] [stdout] | ^^^^^^^^^^^^^^^^^^^^^ [INFO] [stdout] | [INFO] [stdout] = note: this `Result` may be an `Err` variant, which should be handled [INFO] [stdout] = note: this warning originates in a macro (in Nightly builds, run with -Z macro-backtrace for more info) [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: unused `std::result::Result` that must be used [INFO] [stdout] --> src/main.rs:137:13 [INFO] [stdout] | [INFO] [stdout] 137 | write!(f, " v {}", lit); [INFO] [stdout] | ^^^^^^^^^^^^^^^^^^^^^^^^ [INFO] [stdout] | [INFO] [stdout] = note: this `Result` may be an `Err` variant, which should be handled [INFO] [stdout] = note: this warning originates in a macro (in Nightly builds, run with -Z macro-backtrace for more info) [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: variable `Undef` should have a snake case name [INFO] [stdout] --> src/main.rs:204:13 [INFO] [stdout] | [INFO] [stdout] 204 | Undef => MaybeBool::undef(), [INFO] [stdout] | ^^^^^ help: convert the identifier to snake case (notice the capitalization): `undef` [INFO] [stdout] | [INFO] [stdout] = note: `#[warn(non_snake_case)]` on by default [INFO] [stdout] [INFO] [stdout] [INFO] [stderr] Finished test [unoptimized + debuginfo] target(s) in 2.29s [INFO] [stdout] warning: 17 warnings emitted [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] For more information about this error, try `rustc --explain E0170`. [INFO] [stdout] [INFO] running `Command { std: "docker" "inspect" "dcc7af317e5fe6dd5fd77b416defe8a6ce6287e4091258aafea3f7c997d2411b", kill_on_drop: false }` [INFO] running `Command { std: "docker" "rm" "-f" "dcc7af317e5fe6dd5fd77b416defe8a6ce6287e4091258aafea3f7c997d2411b", kill_on_drop: false }` [INFO] [stdout] dcc7af317e5fe6dd5fd77b416defe8a6ce6287e4091258aafea3f7c997d2411b [INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-1/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" "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" "--user" "0:0" "--network" "none" "rustops/crates-build-env@sha256:c8ac004eab7d63a0ad09a2dde3d3353ba464f767bee4de425dc8f74c46a1905e" "/opt/rustwide/cargo-home/bin/cargo" "+beta-2021-01-01" "test" "--frozen", kill_on_drop: false }` [INFO] [stdout] 09902b93cb98c1637aa7b2d88998cfe41b6303dc3f8c0b30a79b0581b2bc3b71 [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" "09902b93cb98c1637aa7b2d88998cfe41b6303dc3f8c0b30a79b0581b2bc3b71", kill_on_drop: false }` [INFO] [stderr] warning[E0170]: pattern binding `Undef` is named the same as one of the variants of the type `VarSource` [INFO] [stderr] --> src/main.rs:204:13 [INFO] [stderr] | [INFO] [stderr] 204 | Undef => MaybeBool::undef(), [INFO] [stderr] | ^^^^^ help: to match on the variant, qualify the path: `VarSource::Undef` [INFO] [stderr] | [INFO] [stderr] = note: `#[warn(bindings_with_variant_name)]` on by default [INFO] [stderr] [INFO] [stderr] warning: unused variable: `Undef` [INFO] [stderr] --> src/main.rs:204:13 [INFO] [stderr] | [INFO] [stderr] 204 | Undef => MaybeBool::undef(), [INFO] [stderr] | ^^^^^ help: if this is intentional, prefix it with an underscore: `_Undef` [INFO] [stderr] | [INFO] [stderr] = note: `#[warn(unused_variables)]` on by default [INFO] [stderr] [INFO] [stderr] warning: unused variable: `search_state` [INFO] [stderr] --> src/main.rs:240:34 [INFO] [stderr] | [INFO] [stderr] 240 | fn choose_variable_to_assign(search_state: &SearchState){ [INFO] [stderr] | ^^^^^^^^^^^^ help: if this is intentional, prefix it with an underscore: `_search_state` [INFO] [stderr] [INFO] [stderr] warning: unused variable: `var` [INFO] [stderr] --> src/main.rs:243:24 [INFO] [stderr] | [INFO] [stderr] 243 | fn select_variable(var: Var){ [INFO] [stderr] | ^^^ help: if this is intentional, prefix it with an underscore: `_var` [INFO] [stderr] [INFO] [stderr] warning: unused variable: `var` [INFO] [stderr] --> src/main.rs:246:26 [INFO] [stderr] | [INFO] [stderr] 246 | fn deselect_variable(var: Var){ [INFO] [stderr] | ^^^ help: if this is intentional, prefix it with an underscore: `_var` [INFO] [stderr] [INFO] [stderr] warning: variable does not need to be mutable [INFO] [stderr] --> src/main.rs:643:13 [INFO] [stderr] | [INFO] [stderr] 643 | let mut conflict_plane: UnsafeCell<_> = conflict_plane.into(); [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: associated function is never used: `into_inner` [INFO] [stderr] --> src/main.rs:33:8 [INFO] [stderr] | [INFO] [stderr] 33 | fn into_inner(self) -> Option { [INFO] [stderr] | ^^^^^^^^^^ [INFO] [stderr] | [INFO] [stderr] = note: `#[warn(dead_code)]` on by default [INFO] [stderr] [INFO] [stderr] warning: associated function is never used: `into_maybe_bool` [INFO] [stderr] --> src/main.rs:57:8 [INFO] [stderr] | [INFO] [stderr] 57 | fn into_maybe_bool(self) -> MaybeBool { [INFO] [stderr] | ^^^^^^^^^^^^^^^ [INFO] [stderr] [INFO] [stderr] warning: associated function is never used: `is_empty` [INFO] [stderr] --> src/main.rs:182:8 [INFO] [stderr] | [INFO] [stderr] 182 | fn is_empty(&self) -> bool { [INFO] [stderr] | ^^^^^^^^ [INFO] [stderr] [INFO] [stderr] warning: field is never read: `trail` [INFO] [stderr] --> src/main.rs:252:5 [INFO] [stderr] | [INFO] [stderr] 252 | trail: Vec, [INFO] [stderr] | ^^^^^^^^^^^^^^^^^^^^^^ [INFO] [stderr] [INFO] [stderr] warning: field is never read: `deductions` [INFO] [stderr] --> src/main.rs:253:5 [INFO] [stderr] | [INFO] [stderr] 253 | deductions: Vec<(Var, usize)> [INFO] [stderr] | ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^ [INFO] [stderr] [INFO] [stderr] warning: function is never used: `test_dimacs_parser` [INFO] [stderr] --> src/parsing.rs:316:8 [INFO] [stderr] | [INFO] [stderr] 316 | fn test_dimacs_parser() {} [INFO] [stderr] | ^^^^^^^^^^^^^^^^^^ [INFO] [stderr] [INFO] [stderr] warning: unused `std::result::Result` that must be used [INFO] [stderr] --> src/main.rs:68:13 [INFO] [stderr] | [INFO] [stderr] 68 | write!(f, "~"); [INFO] [stderr] | ^^^^^^^^^^^^^^^ [INFO] [stderr] | [INFO] [stderr] = note: `#[warn(unused_must_use)]` on by default [INFO] [stderr] = note: this `Result` may be an `Err` variant, which should be handled [INFO] [stderr] = note: this warning originates in a macro (in Nightly builds, run with -Z macro-backtrace for more info) [INFO] [stderr] [INFO] [stderr] warning: unused `std::result::Result` that must be used [INFO] [stderr] --> src/main.rs:132:9 [INFO] [stderr] | [INFO] [stderr] 132 | write!(f, "("); [INFO] [stderr] | ^^^^^^^^^^^^^^^ [INFO] [stderr] | [INFO] [stderr] = note: this `Result` may be an `Err` variant, which should be handled [INFO] [stderr] = note: this warning originates in a macro (in Nightly builds, run with -Z macro-backtrace for more info) [INFO] [stderr] [INFO] [stderr] warning: unused `std::result::Result` that must be used [INFO] [stderr] --> src/main.rs:134:13 [INFO] [stderr] | [INFO] [stderr] 134 | write!(f, "{}", lit); [INFO] [stderr] | ^^^^^^^^^^^^^^^^^^^^^ [INFO] [stderr] | [INFO] [stderr] = note: this `Result` may be an `Err` variant, which should be handled [INFO] [stderr] = note: this warning originates in a macro (in Nightly builds, run with -Z macro-backtrace for more info) [INFO] [stderr] [INFO] [stderr] warning: unused `std::result::Result` that must be used [INFO] [stderr] --> src/main.rs:137:13 [INFO] [stderr] | [INFO] [stderr] 137 | write!(f, " v {}", lit); [INFO] [stderr] | ^^^^^^^^^^^^^^^^^^^^^^^^ [INFO] [stderr] | [INFO] [stderr] = note: this `Result` may be an `Err` variant, which should be handled [INFO] [stderr] = note: this warning originates in a macro (in Nightly builds, run with -Z macro-backtrace for more info) [INFO] [stderr] [INFO] [stderr] warning: variable `Undef` should have a snake case name [INFO] [stderr] --> src/main.rs:204:13 [INFO] [stderr] | [INFO] [stderr] 204 | Undef => MaybeBool::undef(), [INFO] [stderr] | ^^^^^ help: convert the identifier to snake case (notice the capitalization): `undef` [INFO] [stderr] | [INFO] [stderr] = note: `#[warn(non_snake_case)]` on by default [INFO] [stderr] [INFO] [stderr] warning: 17 warnings emitted [INFO] [stderr] [INFO] [stderr] For more information about this error, try `rustc --explain E0170`. [INFO] [stderr] Finished test [unoptimized + debuginfo] target(s) in 0.03s [INFO] [stderr] Running /opt/rustwide/target/debug/deps/sat_solver-1f506e8ee77472b0 [INFO] [stdout] [INFO] [stdout] running 4 tests [INFO] [stdout] test parsing::tests::test_dimacs_cnf_parser ... ok [INFO] [stdout] test tests::test_assingability_cases ... ok [INFO] [stdout] test parsing::tests::test_parser ... ok [INFO] [stdout] test tests::test_solver ... ok [INFO] [stdout] [INFO] [stdout] test result: ok. 4 passed; 0 failed; 0 ignored; 0 measured; 0 filtered out; finished in 0.00s [INFO] [stdout] [INFO] running `Command { std: "docker" "inspect" "09902b93cb98c1637aa7b2d88998cfe41b6303dc3f8c0b30a79b0581b2bc3b71", kill_on_drop: false }` [INFO] running `Command { std: "docker" "rm" "-f" "09902b93cb98c1637aa7b2d88998cfe41b6303dc3f8c0b30a79b0581b2bc3b71", kill_on_drop: false }` [INFO] [stdout] 09902b93cb98c1637aa7b2d88998cfe41b6303dc3f8c0b30a79b0581b2bc3b71