[INFO] cloning repository https://github.com/elasticrash/sat_rs
[INFO] running `Command { std: "git" "-c" "credential.helper=" "-c" "credential.helper=/workspace/cargo-home/bin/git-credential-null" "clone" "--bare" "https://github.com/elasticrash/sat_rs" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Felasticrash%2Fsat_rs", kill_on_drop: false }`
[INFO] [stderr] Cloning into bare repository '/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Felasticrash%2Fsat_rs'...
[INFO] running `Command { std: "git" "rev-parse" "HEAD", kill_on_drop: false }`
[INFO] [stdout] ab32f1083c4b7d60860f19e4b7b461bc36392d79
[INFO] checking elasticrash/sat_rs against master#ceab6128fa48a616bfd3e3adf4bc80133b8ee223 for no-never-type-fallback
[INFO] running `Command { std: "git" "clone" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Felasticrash%2Fsat_rs" "/workspace/builds/worker-7-tc1/source", kill_on_drop: false }`
[INFO] [stderr] Cloning into '/workspace/builds/worker-7-tc1/source'...
[INFO] [stderr] done.
[INFO] validating manifest of git repo https://github.com/elasticrash/sat_rs on toolchain ceab6128fa48a616bfd3e3adf4bc80133b8ee223
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+ceab6128fa48a616bfd3e3adf4bc80133b8ee223" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }`
[INFO] started tweaking git repo https://github.com/elasticrash/sat_rs
[INFO] finished tweaking git repo https://github.com/elasticrash/sat_rs
[INFO] tweaked toml for git repo https://github.com/elasticrash/sat_rs written to /workspace/builds/worker-7-tc1/source/Cargo.toml
[INFO] crate git repo https://github.com/elasticrash/sat_rs already has a lockfile, it will not be regenerated
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+ceab6128fa48a616bfd3e3adf4bc80133b8ee223" "fetch" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] [stderr]  Downloading crates ...
[INFO] [stderr]   Downloaded sys-info v0.5.8
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-7-tc1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-7-tc1/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" "ghcr.io/rust-lang/crates-build-env/linux@sha256:2788e3201cd34a07e3172128adcd8b3090168a8e3bcc40d7c032b9dda1df7d1c" "/opt/rustwide/cargo-home/bin/cargo" "+ceab6128fa48a616bfd3e3adf4bc80133b8ee223" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
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[INFO] [stdout] 9a157a83665d456b7e28c69a72ae94ed7b44f25bcceb22c66d53bb78c26a9fdb
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-7-tc1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-7-tc1/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" "RUSTDOCFLAGS=--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" "ghcr.io/rust-lang/crates-build-env/linux@sha256:2788e3201cd34a07e3172128adcd8b3090168a8e3bcc40d7c032b9dda1df7d1c" "/opt/rustwide/cargo-home/bin/cargo" "+ceab6128fa48a616bfd3e3adf4bc80133b8ee223" "check" "--frozen" "--all" "--all-targets" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] c737ba8ccbb03509742a2a5fd098f65b4489abac3d04e3e3ebcdf7485cbe85f3
[INFO] running `Command { std: "docker" "start" "-a" "c737ba8ccbb03509742a2a5fd098f65b4489abac3d04e3e3ebcdf7485cbe85f3", kill_on_drop: false }`
[INFO] [stderr]    Compiling autocfg v1.0.1
[INFO] [stderr]    Compiling libc v0.2.86
[INFO] [stderr]    Compiling memchr v2.3.3
[INFO] [stderr]    Compiling log v0.4.14
[INFO] [stderr]    Compiling cc v1.0.45
[INFO] [stderr]     Checking lazy_static v1.4.0
[INFO] [stderr]     Checking cfg-if v1.0.0
[INFO] [stderr]     Checking termcolor v1.1.2
[INFO] [stderr]     Checking regex-syntax v0.6.18
[INFO] [stderr]     Checking thread_local v1.0.1
[INFO] [stderr]    Compiling num-traits v0.2.14
[INFO] [stderr]    Compiling num-integer v0.1.44
[INFO] [stderr]     Checking aho-corasick v0.7.13
[INFO] [stderr]    Compiling sys-info v0.5.8
[INFO] [stderr]     Checking time v0.1.44
[INFO] [stderr]     Checking chrono v0.4.19
[INFO] [stderr]     Checking regex v1.3.9
[INFO] [stderr]     Checking simplelog v0.9.0
[INFO] [stderr]     Checking sat_rs v0.1.0 (/opt/rustwide/workdir)
[INFO] [stdout] warning: methods `learnt`, `get_by_index`, `to_string`, and `get_data` are never used
[INFO] [stdout]   --> src/models/clause.rs:13:8
[INFO] [stdout]    |
[INFO] [stdout] 10 | pub trait IClause {
[INFO] [stdout]    |           ------- methods in this trait
[INFO] [stdout] ...
[INFO] [stdout] 13 |     fn learnt(&self) -> bool;
[INFO] [stdout]    |        ^^^^^^
[INFO] [stdout] 14 |     fn get_by_index(&self, i: usize) -> Lit;
[INFO] [stdout]    |        ^^^^^^^^^^^^
[INFO] [stdout] 15 |     fn to_string(&self) -> String;
[INFO] [stdout]    |        ^^^^^^^^^
[INFO] [stdout] 16 |     fn get_data(&self) -> &Vec<Lit>;
[INFO] [stdout]    |        ^^^^^^^^
[INFO] [stdout]    |
[INFO] [stdout]    = note: `#[warn(dead_code)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: associated items `to_string`, `get_hash_code`, and `equals` are never used
[INFO] [stdout]   --> src/models/lit.rs:16:8
[INFO] [stdout]    |
[INFO] [stdout] 12 | pub trait ILit {
[INFO] [stdout]    |           ---- associated items in this trait
[INFO] [stdout] ...
[INFO] [stdout] 16 |     fn to_string(lit: &Lit) -> String;
[INFO] [stdout]    |        ^^^^^^^^^
[INFO] [stdout] 17 |     fn get_hash_code(lit: &Lit) -> i32;
[INFO] [stdout]    |        ^^^^^^^^^^^^^
[INFO] [stdout] 18 |     fn equals(&self, lit: &Lit) -> bool;
[INFO] [stdout]    |        ^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: methods `clone` and `unit` are never used
[INFO] [stdout]    --> src/models/solverstate.rs:126:8
[INFO] [stdout]     |
[INFO] [stdout] 124 | pub trait ISearchParams {
[INFO] [stdout]     |           ------------- methods in this trait
[INFO] [stdout] 125 |     fn new(self, v: f64, c: f64, r: f64);
[INFO] [stdout] 126 |     fn clone(self, other: SearchParams);
[INFO] [stdout]     |        ^^^^^
[INFO] [stdout] 127 |     fn unit(self);
[INFO] [stdout]     |        ^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: methods `i_analyze_final` and `i_new_clause` are never used
[INFO] [stdout]    --> src/models/solverstate.rs:147:8
[INFO] [stdout]     |
[INFO] [stdout] 146 | pub trait Internal {
[INFO] [stdout]     |           -------- methods in this trait
[INFO] [stdout] 147 |     fn i_analyze_final(&mut self, confl: Clause);
[INFO] [stdout]     |        ^^^^^^^^^^^^^^^
[INFO] [stdout] ...
[INFO] [stdout] 152 |     fn i_new_clause(self, ps: &mut Vec<Lit>);
[INFO] [stdout]     |        ^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: methods `add_unit`, `add_binary`, and `add_ternary` are never used
[INFO] [stdout]    --> src/models/solverstate.rs:160:8
[INFO] [stdout]     |
[INFO] [stdout] 158 | pub trait NewVar {
[INFO] [stdout]     |           ------ methods in this trait
[INFO] [stdout] 159 |     fn n_vars(&mut self) -> i32;
[INFO] [stdout] 160 |     fn add_unit(&mut self, p: Lit);
[INFO] [stdout]     |        ^^^^^^^^
[INFO] [stdout] 161 |     fn add_binary(&mut self, p: Lit, q: Lit);
[INFO] [stdout]     |        ^^^^^^^^^^
[INFO] [stdout] 162 |     fn add_ternary(&mut self, p: Lit, q: Lit, r: Lit);
[INFO] [stdout]     |        ^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: 5 warnings emitted
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: methods `learnt`, `get_by_index`, `to_string`, and `get_data` are never used
[INFO] [stdout]   --> src/models/clause.rs:13:8
[INFO] [stdout]    |
[INFO] [stdout] 10 | pub trait IClause {
[INFO] [stdout]    |           ------- methods in this trait
[INFO] [stdout] ...
[INFO] [stdout] 13 |     fn learnt(&self) -> bool;
[INFO] [stdout]    |        ^^^^^^
[INFO] [stdout] 14 |     fn get_by_index(&self, i: usize) -> Lit;
[INFO] [stdout]    |        ^^^^^^^^^^^^
[INFO] [stdout] 15 |     fn to_string(&self) -> String;
[INFO] [stdout]    |        ^^^^^^^^^
[INFO] [stdout] 16 |     fn get_data(&self) -> &Vec<Lit>;
[INFO] [stdout]    |        ^^^^^^^^
[INFO] [stdout]    |
[INFO] [stdout]    = note: `#[warn(dead_code)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: associated items `to_string`, `get_hash_code`, and `equals` are never used
[INFO] [stdout]   --> src/models/lit.rs:16:8
[INFO] [stdout]    |
[INFO] [stdout] 12 | pub trait ILit {
[INFO] [stdout]    |           ---- associated items in this trait
[INFO] [stdout] ...
[INFO] [stdout] 16 |     fn to_string(lit: &Lit) -> String;
[INFO] [stdout]    |        ^^^^^^^^^
[INFO] [stdout] 17 |     fn get_hash_code(lit: &Lit) -> i32;
[INFO] [stdout]    |        ^^^^^^^^^^^^^
[INFO] [stdout] 18 |     fn equals(&self, lit: &Lit) -> bool;
[INFO] [stdout]    |        ^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: methods `clone` and `unit` are never used
[INFO] [stdout]    --> src/models/solverstate.rs:126:8
[INFO] [stdout]     |
[INFO] [stdout] 124 | pub trait ISearchParams {
[INFO] [stdout]     |           ------------- methods in this trait
[INFO] [stdout] 125 |     fn new(self, v: f64, c: f64, r: f64);
[INFO] [stdout] 126 |     fn clone(self, other: SearchParams);
[INFO] [stdout]     |        ^^^^^
[INFO] [stdout] 127 |     fn unit(self);
[INFO] [stdout]     |        ^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: methods `i_analyze_final` and `i_new_clause` are never used
[INFO] [stdout]    --> src/models/solverstate.rs:147:8
[INFO] [stdout]     |
[INFO] [stdout] 146 | pub trait Internal {
[INFO] [stdout]     |           -------- methods in this trait
[INFO] [stdout] 147 |     fn i_analyze_final(&mut self, confl: Clause);
[INFO] [stdout]     |        ^^^^^^^^^^^^^^^
[INFO] [stdout] ...
[INFO] [stdout] 152 |     fn i_new_clause(self, ps: &mut Vec<Lit>);
[INFO] [stdout]     |        ^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: methods `add_unit`, `add_binary`, and `add_ternary` are never used
[INFO] [stdout]    --> src/models/solverstate.rs:160:8
[INFO] [stdout]     |
[INFO] [stdout] 158 | pub trait NewVar {
[INFO] [stdout]     |           ------ methods in this trait
[INFO] [stdout] 159 |     fn n_vars(&mut self) -> i32;
[INFO] [stdout] 160 |     fn add_unit(&mut self, p: Lit);
[INFO] [stdout]     |        ^^^^^^^^
[INFO] [stdout] 161 |     fn add_binary(&mut self, p: Lit, q: Lit);
[INFO] [stdout]     |        ^^^^^^^^^^
[INFO] [stdout] 162 |     fn add_ternary(&mut self, p: Lit, q: Lit, r: Lit);
[INFO] [stdout]     |        ^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: 5 warnings emitted
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr]     Finished `dev` profile [unoptimized + debuginfo] target(s) in 2.20s
[INFO] running `Command { std: "docker" "inspect" "c737ba8ccbb03509742a2a5fd098f65b4489abac3d04e3e3ebcdf7485cbe85f3", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "c737ba8ccbb03509742a2a5fd098f65b4489abac3d04e3e3ebcdf7485cbe85f3", kill_on_drop: false }`
[INFO] [stdout] c737ba8ccbb03509742a2a5fd098f65b4489abac3d04e3e3ebcdf7485cbe85f3