[INFO] cloning repository https://github.com/SHoltzen/lll-sample
[INFO] running `Command { std: "git" "-c" "credential.helper=" "-c" "credential.helper=/workspace/cargo-home/bin/git-credential-null" "clone" "--bare" "https://github.com/SHoltzen/lll-sample" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2FSHoltzen%2Flll-sample", kill_on_drop: false }`
[INFO] [stderr] Cloning into bare repository '/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2FSHoltzen%2Flll-sample'...
[INFO] running `Command { std: "git" "rev-parse" "HEAD", kill_on_drop: false }`
[INFO] [stdout] c40e2aa2f13ce6f5febd69fadd932b441e47db06
[INFO] checking SHoltzen/lll-sample against try#8e3afc79c11f48cb3acd1be5b3b7de98fe3f93a8 for pr-82565
[INFO] running `Command { std: "git" "clone" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2FSHoltzen%2Flll-sample" "/workspace/builds/worker-8/source", kill_on_drop: false }`
[INFO] [stderr] Cloning into '/workspace/builds/worker-8/source'...
[INFO] [stderr] done.
[INFO] validating manifest of git repo https://github.com/SHoltzen/lll-sample on toolchain 8e3afc79c11f48cb3acd1be5b3b7de98fe3f93a8
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+8e3afc79c11f48cb3acd1be5b3b7de98fe3f93a8" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }`
[INFO] started tweaking git repo https://github.com/SHoltzen/lll-sample
[INFO] finished tweaking git repo https://github.com/SHoltzen/lll-sample
[INFO] tweaked toml for git repo https://github.com/SHoltzen/lll-sample written to /workspace/builds/worker-8/source/Cargo.toml
[INFO] crate git repo https://github.com/SHoltzen/lll-sample already has a lockfile, it will not be regenerated
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+8e3afc79c11f48cb3acd1be5b3b7de98fe3f93a8" "fetch" "--locked" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] [stderr]  Downloading crates ...
[INFO] [stderr]   Downloaded dimacs v0.2.0
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-8/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-8/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:f2f6bcd4b43ebee4e173f653a26493129bdb64017c85f916b780ca7fbdbaa79d" "/opt/rustwide/cargo-home/bin/cargo" "+8e3afc79c11f48cb3acd1be5b3b7de98fe3f93a8" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] 758c22fa369fb97eb1e998eb754898b3d370a5696bf58126888e12965234b3fd
[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" "758c22fa369fb97eb1e998eb754898b3d370a5696bf58126888e12965234b3fd", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "758c22fa369fb97eb1e998eb754898b3d370a5696bf58126888e12965234b3fd", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "758c22fa369fb97eb1e998eb754898b3d370a5696bf58126888e12965234b3fd", kill_on_drop: false }`
[INFO] [stdout] 758c22fa369fb97eb1e998eb754898b3d370a5696bf58126888e12965234b3fd
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-8/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-8/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:f2f6bcd4b43ebee4e173f653a26493129bdb64017c85f916b780ca7fbdbaa79d" "/opt/rustwide/cargo-home/bin/cargo" "+8e3afc79c11f48cb3acd1be5b3b7de98fe3f93a8" "check" "--frozen" "--all" "--all-targets" "--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] 027aef2b06b7d36241373feef26cb01e6085f31c7f3afaadcfe79050e03069fa
[INFO] running `Command { std: "docker" "start" "-a" "027aef2b06b7d36241373feef26cb01e6085f31c7f3afaadcfe79050e03069fa", kill_on_drop: false }`
[INFO] [stderr]    Compiling libc v0.2.68
[INFO] [stderr]     Checking bit-vec v0.5.1
[INFO] [stderr]     Checking radium v0.3.0
[INFO] [stderr]     Checking bitflags v0.8.2
[INFO] [stderr]     Checking either v1.5.3
[INFO] [stderr]     Checking maplit v1.0.2
[INFO] [stderr]     Checking dimacs v0.2.0
[INFO] [stderr]     Checking bitvec v0.17.4
[INFO] [stderr]     Checking bit-set v0.5.1
[INFO] [stderr]     Checking rand v0.4.6
[INFO] [stderr]     Checking rand v0.3.23
[INFO] [stderr]     Checking lll-sample v0.1.0 (/opt/rustwide/workdir)
[INFO] [stdout] warning: unused import: `HashSet`
[INFO] [stdout]  --> src/cnf.rs:5:24
[INFO] [stdout]   |
[INFO] [stdout] 5 | use std::collections::{HashSet, HashMap};
[INFO] [stdout]   |                        ^^^^^^^
[INFO] [stdout]   |
[INFO] [stdout]   = note: `#[warn(unused_imports)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused imports: `HashMap`, `HashSet`
[INFO] [stdout]  --> src/cnf.rs:5:24
[INFO] [stdout]   |
[INFO] [stdout] 5 | use std::collections::{HashSet, HashMap};
[INFO] [stdout]   |                        ^^^^^^^  ^^^^^^^
[INFO] [stdout]   |
[INFO] [stdout]   = note: `#[warn(unused_imports)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused import: `std::iter::FromIterator`
[INFO] [stdout]  --> src/cnf.rs:6:5
[INFO] [stdout]   |
[INFO] [stdout] 6 | use std::iter::FromIterator;
[INFO] [stdout]   |     ^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused macro definition
[INFO] [stdout]   --> src/cnf.rs:9:1
[INFO] [stdout]    |
[INFO] [stdout] 9  | / macro_rules! set {
[INFO] [stdout] 10 | |     ( $( $x:expr ),* ) => {  // Match zero or more comma delimited items
[INFO] [stdout] 11 | |         {
[INFO] [stdout] 12 | |             let mut temp_set = BitSet::new();  // Create a mutable HashSet
[INFO] [stdout] ...  |
[INFO] [stdout] 18 | |     };
[INFO] [stdout] 19 | | }
[INFO] [stdout]    | |_^
[INFO] [stdout]    |
[INFO] [stdout]    = note: `#[warn(unused_macros)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused import: `std::iter::FromIterator`
[INFO] [stdout]  --> src/cnf.rs:6:5
[INFO] [stdout]   |
[INFO] [stdout] 6 | use std::iter::FromIterator;
[INFO] [stdout]   |     ^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: variable `num` is assigned to, but never used
[INFO] [stdout]    --> src/cnf.rs:211:13
[INFO] [stdout]     |
[INFO] [stdout] 211 |         let mut num = 0;
[INFO] [stdout]     |             ^^^^^^^
[INFO] [stdout]     |
[INFO] [stdout]     = note: `#[warn(unused_variables)]` on by default
[INFO] [stdout]     = note: consider using `_num` instead
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `key`
[INFO] [stdout]    --> src/cnf.rs:367:10
[INFO] [stdout]     |
[INFO] [stdout] 367 |     for (key, value) in &results {
[INFO] [stdout]     |          ^^^ help: if this is intentional, prefix it with an underscore: `_key`
[INFO] [stdout]     |
[INFO] [stdout]     = note: `#[warn(unused_variables)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: variable `num` is assigned to, but never used
[INFO] [stdout]    --> src/cnf.rs:211:13
[INFO] [stdout]     |
[INFO] [stdout] 211 |         let mut num = 0;
[INFO] [stdout]     |             ^^^^^^^
[INFO] [stdout]     |
[INFO] [stdout]     = note: consider using `_num` instead
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: associated function is never used: `get_label`
[INFO] [stdout]   --> src/cnf.rs:34:8
[INFO] [stdout]    |
[INFO] [stdout] 34 |     fn get_label(&self) -> VarLabel {
[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: `get_polarity`
[INFO] [stdout]   --> src/cnf.rs:38:8
[INFO] [stdout]    |
[INFO] [stdout] 38 |     fn get_polarity(&self) -> bool {
[INFO] [stdout]    |        ^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: associated function is never used: `new`
[INFO] [stdout]   --> src/cnf.rs:42:8
[INFO] [stdout]    |
[INFO] [stdout] 42 |     fn new(label: VarLabel, polarity: bool) -> Literal {
[INFO] [stdout]    |        ^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: associated function is never used: `random`
[INFO] [stdout]   --> src/cnf.rs:53:8
[INFO] [stdout]    |
[INFO] [stdout] 53 |     fn random(len: usize) -> Assignment {
[INFO] [stdout]    |        ^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: associated function is never used: `rerandomize`
[INFO] [stdout]   --> src/cnf.rs:61:8
[INFO] [stdout]    |
[INFO] [stdout] 61 |     fn rerandomize(self, pos: BitSet) -> Assignment {
[INFO] [stdout]    |        ^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: associated function is never used: `gen_deps`
[INFO] [stdout]   --> src/cnf.rs:78:8
[INFO] [stdout]    |
[INFO] [stdout] 78 |     fn gen_deps(clauses: &Vec<Vec<Literal>>) -> Vec<BitSet> {
[INFO] [stdout]    |        ^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: associated function is never used: `from_file`
[INFO] [stdout]   --> src/cnf.rs:96:8
[INFO] [stdout]    |
[INFO] [stdout] 96 |     fn from_file(v: String) -> Cnf {
[INFO] [stdout]    |        ^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: associated function is never used: `find_bad`
[INFO] [stdout]    --> src/cnf.rs:129:8
[INFO] [stdout]     |
[INFO] [stdout] 129 |     fn find_bad(&self, assgn: &Assignment) -> BitSet {
[INFO] [stdout]     |        ^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: associated function is never used: `expand`
[INFO] [stdout]    --> src/cnf.rs:147:8
[INFO] [stdout]     |
[INFO] [stdout] 147 |     fn expand(&self, clauseset: &BitSet) -> BitSet {
[INFO] [stdout]     |        ^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: associated function is never used: `var`
[INFO] [stdout]    --> src/cnf.rs:156:8
[INFO] [stdout]     |
[INFO] [stdout] 156 |     fn var(&self, clauseset: &BitSet) -> BitSet {
[INFO] [stdout]     |        ^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: associated function is never used: `is_blocked`
[INFO] [stdout]    --> src/cnf.rs:167:8
[INFO] [stdout]     |
[INFO] [stdout] 167 |     fn is_blocked(&self, assgn: &Assignment, restriction: &BitSet, clause: usize) -> bool {
[INFO] [stdout]     |        ^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: associated function is never used: `find_resample`
[INFO] [stdout]    --> src/cnf.rs:189:8
[INFO] [stdout]     |
[INFO] [stdout] 189 |     fn find_resample(&self, assgn: &Assignment) -> BitSet {
[INFO] [stdout]     |        ^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: associated function is never used: `partial_rejection`
[INFO] [stdout]    --> src/cnf.rs:207:8
[INFO] [stdout]     |
[INFO] [stdout] 207 |     fn partial_rejection(&self) -> Assignment {
[INFO] [stdout]     |        ^^^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: associated function is never used: `rand_cnf`
[INFO] [stdout]    --> src/cnf.rs:225:8
[INFO] [stdout]     |
[INFO] [stdout] 225 |     fn rand_cnf(rng: &mut StdRng, num_vars: usize, num_clauses: usize) -> Cnf {
[INFO] [stdout]     |        ^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: associated function is never used: `num_vars`
[INFO] [stdout]    --> src/cnf.rs:253:8
[INFO] [stdout]     |
[INFO] [stdout] 253 |     fn num_vars(&self) -> usize {
[INFO] [stdout]     |        ^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: associated function is never used: `clauses`
[INFO] [stdout]    --> src/cnf.rs:257:8
[INFO] [stdout]     |
[INFO] [stdout] 257 |     fn clauses(&self) -> &[Vec<Literal>] {
[INFO] [stdout]     |        ^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: associated function is never used: `new`
[INFO] [stdout]    --> src/cnf.rs:261:8
[INFO] [stdout]     |
[INFO] [stdout] 261 |     fn new(clauses: Vec<Vec<Literal>>) -> Cnf {
[INFO] [stdout]     |        ^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: static is never used: `C0`
[INFO] [stdout]    --> src/cnf.rs:276:1
[INFO] [stdout]     |
[INFO] [stdout] 276 | / static C0: &'static str = "
[INFO] [stdout] 277 | | p cnf 227 713
[INFO] [stdout] 278 | | 1 2 0
[INFO] [stdout] 279 | | 2 3 0
[INFO] [stdout] 280 | | 3 4 0
[INFO] [stdout] 281 | | 4 5 0
[INFO] [stdout] 282 | | ";
[INFO] [stdout]     | |__^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: static is never used: `C1_A`
[INFO] [stdout]    --> src/cnf.rs:285:1
[INFO] [stdout]     |
[INFO] [stdout] 285 | / static C1_A: &'static str = "
[INFO] [stdout] 286 | | p cnf 227 713
[INFO] [stdout] 287 | | -9 -47 0
[INFO] [stdout] 288 | | ";
[INFO] [stdout]     | |__^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: 23 warnings emitted
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: associated function is never used: `num_vars`
[INFO] [stdout]    --> src/cnf.rs:253:8
[INFO] [stdout]     |
[INFO] [stdout] 253 |     fn num_vars(&self) -> usize {
[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: `clauses`
[INFO] [stdout]    --> src/cnf.rs:257:8
[INFO] [stdout]     |
[INFO] [stdout] 257 |     fn clauses(&self) -> &[Vec<Literal>] {
[INFO] [stdout]     |        ^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: associated function is never used: `new`
[INFO] [stdout]    --> src/cnf.rs:261:8
[INFO] [stdout]     |
[INFO] [stdout] 261 |     fn new(clauses: Vec<Vec<Literal>>) -> Cnf {
[INFO] [stdout]     |        ^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: static is never used: `C1_A`
[INFO] [stdout]    --> src/cnf.rs:285:1
[INFO] [stdout]     |
[INFO] [stdout] 285 | / static C1_A: &'static str = "
[INFO] [stdout] 286 | | p cnf 227 713
[INFO] [stdout] 287 | | -9 -47 0
[INFO] [stdout] 288 | | ";
[INFO] [stdout]     | |__^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: 8 warnings emitted
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 4.41s
[INFO] running `Command { std: "docker" "inspect" "027aef2b06b7d36241373feef26cb01e6085f31c7f3afaadcfe79050e03069fa", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "027aef2b06b7d36241373feef26cb01e6085f31c7f3afaadcfe79050e03069fa", kill_on_drop: false }`
[INFO] [stdout] 027aef2b06b7d36241373feef26cb01e6085f31c7f3afaadcfe79050e03069fa