[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] 177dd70daaf4260cd710d0b306dc28c5954f88a7
[INFO] checking SHoltzen/lll-sample against master#03c609abb6638f9d7f49f34326d4137d07f5cd61 for pr-155945
[INFO] running `Command { std: "git" "clone" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2FSHoltzen%2Flll-sample" "/workspace/builds/worker-7-tc1/source", kill_on_drop: false }`
[INFO] [stderr] Cloning into '/workspace/builds/worker-7-tc1/source'...
[INFO] [stderr] done.
[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-7-tc1/source/Cargo.toml
[INFO] validating manifest of git repo https://github.com/SHoltzen/lll-sample on toolchain 03c609abb6638f9d7f49f34326d4137d07f5cd61
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+03c609abb6638f9d7f49f34326d4137d07f5cd61" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }`
[INFO] crate git repo https://github.com/SHoltzen/lll-sample 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" "+03c609abb6638f9d7f49f34326d4137d07f5cd61" "fetch" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] [stderr]     Updating crates.io index
[INFO] [stderr]  Downloading crates ...
[INFO] [stderr]   Downloaded bit-vec v0.5.1
[INFO] [stderr]   Downloaded bit-set v0.5.1
[INFO] [stderr]   Downloaded bitflags v0.8.2
[INFO] [stderr]   Downloaded libc v0.2.68
[INFO] [stderr]   Downloaded dimacs v0.2.0
[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:d429b63d4308055ea97f60fb1d3dfca48854a00942f1bd2ad806beaf015945ec" "/opt/rustwide/cargo-home/bin/cargo" "+03c609abb6638f9d7f49f34326d4137d07f5cd61" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] bdf6b2ad476acfb03f1794ff14d7e802def83211d0852de6b29de2350e291f59
[INFO] running `Command { std: "docker" "start" "-a" "bdf6b2ad476acfb03f1794ff14d7e802def83211d0852de6b29de2350e291f59", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "bdf6b2ad476acfb03f1794ff14d7e802def83211d0852de6b29de2350e291f59", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "bdf6b2ad476acfb03f1794ff14d7e802def83211d0852de6b29de2350e291f59", kill_on_drop: false }`
[INFO] [stdout] bdf6b2ad476acfb03f1794ff14d7e802def83211d0852de6b29de2350e291f59
[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:d429b63d4308055ea97f60fb1d3dfca48854a00942f1bd2ad806beaf015945ec" "/opt/rustwide/cargo-home/bin/cargo" "+03c609abb6638f9d7f49f34326d4137d07f5cd61" "check" "--frozen" "--all" "--all-targets" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] d5257ee402f7d03a062eebc519c74976e1084b567ba90668390adc98490fbb48
[INFO] running `Command { std: "docker" "start" "-a" "d5257ee402f7d03a062eebc519c74976e1084b567ba90668390adc98490fbb48", kill_on_drop: false }`
[INFO] [stderr]    Compiling libc v0.2.68
[INFO] [stderr]     Checking radium v0.3.0
[INFO] [stderr]     Checking either v1.5.3
[INFO] [stderr]     Checking bit-vec v0.5.1
[INFO] [stderr]     Checking bitflags v0.8.2
[INFO] [stderr]     Checking dimacs v0.2.0
[INFO] [stderr]     Checking bit-set v0.5.1
[INFO] [stderr]     Checking bitvec v0.17.4
[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)]` (part of `#[warn(unused)]`) 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 imports: `HashMap` and `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)]` (part of `#[warn(unused)]`) 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: `set`
[INFO] [stdout]  --> src/cnf.rs:9:14
[INFO] [stdout]   |
[INFO] [stdout] 9 | macro_rules! set {
[INFO] [stdout]   |              ^^^
[INFO] [stdout]   |
[INFO] [stdout]   = note: `#[warn(unused_macros)]` (part of `#[warn(unused)]`) 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]     = note: `#[warn(unused_variables)]` (part of `#[warn(unused)]`) on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: value assigned to `num` is never read
[INFO] [stdout]    --> src/cnf.rs:219:13
[INFO] [stdout]     |
[INFO] [stdout] 219 |             num += 1;
[INFO] [stdout]     |             ^^^^^^^^
[INFO] [stdout]     |
[INFO] [stdout]     = help: maybe it is overwritten before being read?
[INFO] [stdout]     = note: `#[warn(unused_assignments)]` (part of `#[warn(unused)]`) on by default
[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] 
[INFO] [stdout] warning: associated items `num_vars`, `clauses`, and `new` are never used
[INFO] [stdout]    --> src/cnf.rs:253:8
[INFO] [stdout]     |
[INFO] [stdout]  77 | impl Cnf {
[INFO] [stdout]     | -------- associated items in this implementation
[INFO] [stdout] ...
[INFO] [stdout] 253 |     fn num_vars(&self) -> usize {
[INFO] [stdout]     |        ^^^^^^^^
[INFO] [stdout] ...
[INFO] [stdout] 257 |     fn clauses(&self) -> &[Vec<Literal>] {
[INFO] [stdout]     |        ^^^^^^^
[INFO] [stdout] ...
[INFO] [stdout] 261 |     fn new(clauses: Vec<Vec<Literal>>) -> Cnf {
[INFO] [stdout]     |        ^^^
[INFO] [stdout]     |
[INFO] [stdout]     = note: `#[warn(dead_code)]` (part of `#[warn(unused)]`) on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: static `C1_A` is never used
[INFO] [stdout]    --> src/cnf.rs:285:8
[INFO] [stdout]     |
[INFO] [stdout] 285 | static C1_A: &'static str = "
[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: consider using `_num` instead
[INFO] [stdout]     = note: `#[warn(unused_variables)]` (part of `#[warn(unused)]`) on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: value assigned to `num` is never read
[INFO] [stdout]    --> src/cnf.rs:219:13
[INFO] [stdout]     |
[INFO] [stdout] 219 |             num += 1;
[INFO] [stdout]     |             ^^^^^^^^
[INFO] [stdout]     |
[INFO] [stdout]     = help: maybe it is overwritten before being read?
[INFO] [stdout]     = note: `#[warn(unused_assignments)]` (part of `#[warn(unused)]`) on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: struct `VarLabel` is never constructed
[INFO] [stdout]   --> src/cnf.rs:24:8
[INFO] [stdout]    |
[INFO] [stdout] 24 | struct VarLabel(u64);
[INFO] [stdout]    |        ^^^^^^^^
[INFO] [stdout]    |
[INFO] [stdout]    = note: `#[warn(dead_code)]` (part of `#[warn(unused)]`) on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: struct `Literal` is never constructed
[INFO] [stdout]   --> src/cnf.rs:28:8
[INFO] [stdout]    |
[INFO] [stdout] 28 | struct Literal {
[INFO] [stdout]    |        ^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: associated items `get_label`, `get_polarity`, and `new` are never used
[INFO] [stdout]   --> src/cnf.rs:34:8
[INFO] [stdout]    |
[INFO] [stdout] 33 | impl Literal {
[INFO] [stdout]    | ------------ associated items in this implementation
[INFO] [stdout] 34 |     fn get_label(&self) -> VarLabel {
[INFO] [stdout]    |        ^^^^^^^^^
[INFO] [stdout] ...
[INFO] [stdout] 38 |     fn get_polarity(&self) -> bool {
[INFO] [stdout]    |        ^^^^^^^^^^^^
[INFO] [stdout] ...
[INFO] [stdout] 42 |     fn new(label: VarLabel, polarity: bool) -> Literal {
[INFO] [stdout]    |        ^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: struct `Assignment` is never constructed
[INFO] [stdout]   --> src/cnf.rs:48:8
[INFO] [stdout]    |
[INFO] [stdout] 48 | struct Assignment{
[INFO] [stdout]    |        ^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: associated items `random` and `rerandomize` are never used
[INFO] [stdout]   --> src/cnf.rs:53:8
[INFO] [stdout]    |
[INFO] [stdout] 52 | impl Assignment {
[INFO] [stdout]    | --------------- associated items in this implementation
[INFO] [stdout] 53 |     fn random(len: usize) -> Assignment {
[INFO] [stdout]    |        ^^^^^^
[INFO] [stdout] ...
[INFO] [stdout] 61 |     fn rerandomize(self, pos: BitSet) -> Assignment {
[INFO] [stdout]    |        ^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: struct `Cnf` is never constructed
[INFO] [stdout]   --> src/cnf.rs:71:8
[INFO] [stdout]    |
[INFO] [stdout] 71 | struct Cnf {
[INFO] [stdout]    |        ^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: multiple associated items are never used
[INFO] [stdout]    --> src/cnf.rs:78:8
[INFO] [stdout]     |
[INFO] [stdout]  77 | impl Cnf {
[INFO] [stdout]     | -------- associated items in this implementation
[INFO] [stdout]  78 |     fn gen_deps(clauses: &Vec<Vec<Literal>>) -> Vec<BitSet> {
[INFO] [stdout]     |        ^^^^^^^^
[INFO] [stdout] ...
[INFO] [stdout]  96 |     fn from_file(v: String) -> Cnf {
[INFO] [stdout]     |        ^^^^^^^^^
[INFO] [stdout] ...
[INFO] [stdout] 129 |     fn find_bad(&self, assgn: &Assignment) -> BitSet {
[INFO] [stdout]     |        ^^^^^^^^
[INFO] [stdout] ...
[INFO] [stdout] 147 |     fn expand(&self, clauseset: &BitSet) -> BitSet {
[INFO] [stdout]     |        ^^^^^^
[INFO] [stdout] ...
[INFO] [stdout] 156 |     fn var(&self, clauseset: &BitSet) -> BitSet {
[INFO] [stdout]     |        ^^^
[INFO] [stdout] ...
[INFO] [stdout] 167 |     fn is_blocked(&self, assgn: &Assignment, restriction: &BitSet, clause: usize) -> bool {
[INFO] [stdout]     |        ^^^^^^^^^^
[INFO] [stdout] ...
[INFO] [stdout] 189 |     fn find_resample(&self, assgn: &Assignment) -> BitSet {
[INFO] [stdout]     |        ^^^^^^^^^^^^^
[INFO] [stdout] ...
[INFO] [stdout] 207 |     fn partial_rejection(&self) -> Assignment {
[INFO] [stdout]     |        ^^^^^^^^^^^^^^^^^
[INFO] [stdout] ...
[INFO] [stdout] 225 |     fn rand_cnf(rng: &mut StdRng, num_vars: usize, num_clauses: usize) -> Cnf {
[INFO] [stdout]     |        ^^^^^^^^
[INFO] [stdout] ...
[INFO] [stdout] 253 |     fn num_vars(&self) -> usize {
[INFO] [stdout]     |        ^^^^^^^^
[INFO] [stdout] ...
[INFO] [stdout] 257 |     fn clauses(&self) -> &[Vec<Literal>] {
[INFO] [stdout]     |        ^^^^^^^
[INFO] [stdout] ...
[INFO] [stdout] 261 |     fn new(clauses: Vec<Vec<Literal>>) -> Cnf {
[INFO] [stdout]     |        ^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: static `C0` is never used
[INFO] [stdout]    --> src/cnf.rs:276:8
[INFO] [stdout]     |
[INFO] [stdout] 276 | static C0: &'static str = "
[INFO] [stdout]     |        ^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: static `C1_A` is never used
[INFO] [stdout]    --> src/cnf.rs:285:8
[INFO] [stdout]     |
[INFO] [stdout] 285 | static C1_A: &'static str = "
[INFO] [stdout]     |        ^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr]     Finished `dev` profile [unoptimized + debuginfo] target(s) in 3.03s
[INFO] [stderr] warning: the following packages contain code that will be rejected by a future version of Rust: bitflags v0.8.2
[INFO] [stderr] note: to see what the problems were, use the option `--future-incompat-report`, or run `cargo report future-incompatibilities --id 1`
[INFO] running `Command { std: "docker" "inspect" "d5257ee402f7d03a062eebc519c74976e1084b567ba90668390adc98490fbb48", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "d5257ee402f7d03a062eebc519c74976e1084b567ba90668390adc98490fbb48", kill_on_drop: false }`
[INFO] [stdout] d5257ee402f7d03a062eebc519c74976e1084b567ba90668390adc98490fbb48
