[INFO] cloning repository https://github.com/shinkwhek/SATsolver [INFO] running `Command { std: "git" "-c" "credential.helper=" "-c" "credential.helper=/workspace/cargo-home/bin/git-credential-null" "clone" "--bare" "https://github.com/shinkwhek/SATsolver" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fshinkwhek%2FSATsolver", kill_on_drop: false }` [INFO] [stderr] Cloning into bare repository '/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fshinkwhek%2FSATsolver'... [INFO] running `Command { std: "git" "rev-parse" "HEAD", kill_on_drop: false }` [INFO] [stdout] be638a5296a4ad1884c0952d59ed7ba62739ccc9 [INFO] checking shinkwhek/SATsolver against try#f47dd4da3ae8c32c9e65d307bfe640b143e674df for pr-77526 [INFO] running `Command { std: "git" "clone" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fshinkwhek%2FSATsolver" "/workspace/builds/worker-6/source", kill_on_drop: false }` [INFO] [stderr] Cloning into '/workspace/builds/worker-6/source'... [INFO] [stderr] done. [INFO] validating manifest of git repo https://github.com/shinkwhek/SATsolver on toolchain f47dd4da3ae8c32c9e65d307bfe640b143e674df [INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+f47dd4da3ae8c32c9e65d307bfe640b143e674df" "read-manifest" "--manifest-path" "Cargo.toml", kill_on_drop: false }` [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-6/source/Cargo.toml [INFO] crate git repo https://github.com/shinkwhek/SATsolver already has a lockfile, it will not be regenerated [INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+f47dd4da3ae8c32c9e65d307bfe640b143e674df" "fetch" "--locked" "--manifest-path" "Cargo.toml", kill_on_drop: false }` [INFO] [stderr] error: the lock file /workspace/builds/worker-6/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 [INFO] the lockfile is outdated, regenerating it [INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+f47dd4da3ae8c32c9e65d307bfe640b143e674df" "generate-lockfile" "--manifest-path" "Cargo.toml" "-Zno-index-update", kill_on_drop: false }` [INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+f47dd4da3ae8c32c9e65d307bfe640b143e674df" "fetch" "--locked" "--manifest-path" "Cargo.toml", kill_on_drop: false }` [INFO] [stderr] Blocking waiting for file lock on package cache [INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-6/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-6/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:d92eaeed33fa75130ca1ee6c8a01d1ffb62bac859dfdfb3450e3e5d1c0146529" "/opt/rustwide/cargo-home/bin/cargo" "+f47dd4da3ae8c32c9e65d307bfe640b143e674df" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }` [INFO] [stdout] 8eb96edefdb8b35bc843ba6076cdb6a84d28891ff70543f6b15c2b1b66df8534 [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" "8eb96edefdb8b35bc843ba6076cdb6a84d28891ff70543f6b15c2b1b66df8534", kill_on_drop: false }` [INFO] running `Command { std: "docker" "inspect" "8eb96edefdb8b35bc843ba6076cdb6a84d28891ff70543f6b15c2b1b66df8534", kill_on_drop: false }` [INFO] running `Command { std: "docker" "rm" "-f" "8eb96edefdb8b35bc843ba6076cdb6a84d28891ff70543f6b15c2b1b66df8534", kill_on_drop: false }` [INFO] [stdout] 8eb96edefdb8b35bc843ba6076cdb6a84d28891ff70543f6b15c2b1b66df8534 [INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-6/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-6/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=forbid" "-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:d92eaeed33fa75130ca1ee6c8a01d1ffb62bac859dfdfb3450e3e5d1c0146529" "/opt/rustwide/cargo-home/bin/cargo" "+f47dd4da3ae8c32c9e65d307bfe640b143e674df" "check" "--frozen" "--all" "--all-targets" "--message-format=json", kill_on_drop: false }` [INFO] [stdout] eaabd3e4e8d27cf79a2b42a7181ba4693a7269f9a87204a73121582959a07aad [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" "eaabd3e4e8d27cf79a2b42a7181ba4693a7269f9a87204a73121582959a07aad", kill_on_drop: false }` [INFO] [stderr] Compiling bitflags v1.2.1 [INFO] [stderr] Checking unicode-width v0.1.8 [INFO] [stderr] Checking vec_map v0.8.2 [INFO] [stderr] Checking ansi_term v0.11.0 [INFO] [stderr] Checking strsim v0.8.0 [INFO] [stderr] Checking ansi_term v0.9.0 [INFO] [stderr] Checking textwrap v0.11.0 [INFO] [stderr] Checking clap v2.33.3 [INFO] [stderr] Checking satsolver v1.1.0 (/opt/rustwide/workdir) [INFO] [stdout] warning: type alias is never used: `Cnf` [INFO] [stdout] --> src/lexer.rs:4:1 [INFO] [stdout] | [INFO] [stdout] 4 | type Cnf = Vec>; [INFO] [stdout] | ^^^^^^^^^^^^^^^^^^^^^^^^^^^ [INFO] [stdout] | [INFO] [stdout] = note: `#[warn(dead_code)]` on by default [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: struct is never constructed: `Lexer` [INFO] [stdout] --> src/lexer.rs:6:12 [INFO] [stdout] | [INFO] [stdout] 6 | pub struct Lexer; [INFO] [stdout] | ^^^^^ [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: associated function is never used: `new` [INFO] [stdout] --> src/lexer.rs:8:12 [INFO] [stdout] | [INFO] [stdout] 8 | pub fn new(filename: &str) -> Cnf { [INFO] [stdout] | ^^^ [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: associated function is never used: `parse_line` [INFO] [stdout] --> src/lexer.rs:35:8 [INFO] [stdout] | [INFO] [stdout] 35 | fn parse_line(s: &str) -> Vec { [INFO] [stdout] | ^^^^^^^^^^ [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: associated function is never used: `new` [INFO] [stdout] --> src/solver.rs:13:12 [INFO] [stdout] | [INFO] [stdout] 13 | pub fn new(cnf: Cnf) -> Dpll { [INFO] [stdout] | ^^^ [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: associated function is never used: `solver` [INFO] [stdout] --> src/solver.rs:20:12 [INFO] [stdout] | [INFO] [stdout] 20 | pub fn solver(self) -> Option { [INFO] [stdout] | ^^^^^^ [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: associated function is never used: `unit_propagation` [INFO] [stdout] --> src/solver.rs:43:8 [INFO] [stdout] | [INFO] [stdout] 43 | fn unit_propagation(self) -> Self { [INFO] [stdout] | ^^^^^^^^^^^^^^^^ [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: associated function is never used: `assign` [INFO] [stdout] --> src/solver.rs:50:8 [INFO] [stdout] | [INFO] [stdout] 50 | fn assign(&self, lit: Literal) -> Self { [INFO] [stdout] | ^^^^^^ [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: function is never used: `retain_lit` [INFO] [stdout] --> src/solver.rs:64:4 [INFO] [stdout] | [INFO] [stdout] 64 | fn retain_lit(mut cl: Clause, lit: Literal) -> Clause { [INFO] [stdout] | ^^^^^^^^^^ [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: associated function is never used: `exists_empty_clause` [INFO] [stdout] --> src/solver.rs:70:8 [INFO] [stdout] | [INFO] [stdout] 70 | fn exists_empty_clause(&self) -> bool { [INFO] [stdout] | ^^^^^^^^^^^^^^^^^^^ [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: associated function is never used: `get_unit_literal` [INFO] [stdout] --> src/solver.rs:74:8 [INFO] [stdout] | [INFO] [stdout] 74 | fn get_unit_literal(&self) -> Option { [INFO] [stdout] | ^^^^^^^^^^^^^^^^ [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: associated function is never used: `heuristic_select` [INFO] [stdout] --> src/solver.rs:81:8 [INFO] [stdout] | [INFO] [stdout] 81 | fn heuristic_select(&self) -> Literal { [INFO] [stdout] | ^^^^^^^^^^^^^^^^ [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: associated function is never used: `is_empty` [INFO] [stdout] --> src/solver.rs:85:8 [INFO] [stdout] | [INFO] [stdout] 85 | fn is_empty(&self) -> bool { [INFO] [stdout] | ^^^^^^^^ [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: 13 warnings emitted [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: type alias is never used: `Cnf` [INFO] [stdout] --> src/lexer.rs:4:1 [INFO] [stdout] | [INFO] [stdout] 4 | type Cnf = Vec>; [INFO] [stdout] | ^^^^^^^^^^^^^^^^^^^^^^^^^^^ [INFO] [stdout] | [INFO] [stdout] = note: `#[warn(dead_code)]` on by default [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: struct is never constructed: `Lexer` [INFO] [stdout] --> src/lexer.rs:6:12 [INFO] [stdout] | [INFO] [stdout] 6 | pub struct Lexer; [INFO] [stdout] | ^^^^^ [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: associated function is never used: `new` [INFO] [stdout] --> src/lexer.rs:8:12 [INFO] [stdout] | [INFO] [stdout] 8 | pub fn new(filename: &str) -> Cnf { [INFO] [stdout] | ^^^ [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: associated function is never used: `parse_line` [INFO] [stdout] --> src/lexer.rs:35:8 [INFO] [stdout] | [INFO] [stdout] 35 | fn parse_line(s: &str) -> Vec { [INFO] [stdout] | ^^^^^^^^^^ [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: 4 warnings emitted [INFO] [stdout] [INFO] [stdout] [INFO] [stderr] Finished dev [unoptimized + debuginfo] target(s) in 8.97s [INFO] running `Command { std: "docker" "inspect" "eaabd3e4e8d27cf79a2b42a7181ba4693a7269f9a87204a73121582959a07aad", kill_on_drop: false }` [INFO] running `Command { std: "docker" "rm" "-f" "eaabd3e4e8d27cf79a2b42a7181ba4693a7269f9a87204a73121582959a07aad", kill_on_drop: false }` [INFO] [stdout] eaabd3e4e8d27cf79a2b42a7181ba4693a7269f9a87204a73121582959a07aad