[INFO] cloning repository https://github.com/Benestar/rust-model-checker
[INFO] running `"git" "-c" "credential.helper=" "-c" "credential.helper=/workspace/cargo-home/bin/git-credential-null" "clone" "--bare" "https://github.com/Benestar/rust-model-checker" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2FBenestar%2Frust-model-checker"`
[INFO] [stderr] Cloning into bare repository '/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2FBenestar%2Frust-model-checker'...
[INFO] running `"git" "rev-parse" "HEAD"`
[INFO] [stdout] 8142127d094cd3f9f1691aa304df052e670d65cc
[INFO] checking Benestar/rust-model-checker against master#2748a9fd93dd1a00a4521f4f16de5befbf77f6cd for pr-62262-1
[INFO] running `"git" "clone" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2FBenestar%2Frust-model-checker" "/workspace/builds/worker-3/source"`
[INFO] [stderr] Cloning into '/workspace/builds/worker-3/source'...
[INFO] [stderr] done.
[INFO] validating manifest of git repo https://github.com/Benestar/rust-model-checker on toolchain 2748a9fd93dd1a00a4521f4f16de5befbf77f6cd
[INFO] running `"/workspace/cargo-home/bin/cargo" "+2748a9fd93dd1a00a4521f4f16de5befbf77f6cd" "read-manifest" "--manifest-path" "Cargo.toml"`
[INFO] started tweaking git repo https://github.com/Benestar/rust-model-checker
[INFO] finished tweaking git repo https://github.com/Benestar/rust-model-checker
[INFO] tweaked toml for git repo https://github.com/Benestar/rust-model-checker written to /workspace/builds/worker-3/source/Cargo.toml
[INFO] crate git repo https://github.com/Benestar/rust-model-checker already has a lockfile, it will not be regenerated
[INFO] running `"/workspace/cargo-home/bin/cargo" "+2748a9fd93dd1a00a4521f4f16de5befbf77f6cd" "fetch" "--locked" "--manifest-path" "Cargo.toml"`
[INFO] running `"docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-3/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-3/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" "MAP_USER_ID=0" "-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" "--network" "none" "rustops/crates-build-env" "/opt/rustwide/cargo-home/bin/cargo" "+2748a9fd93dd1a00a4521f4f16de5befbf77f6cd" "check" "--frozen" "--all" "--all-targets"`
[INFO] [stderr] WARNING: Your kernel does not support swap limit capabilities or the cgroup is not mounted. Memory limited without swap.
[INFO] [stdout] 4f5b9b8fa091997ab09389600cb919da32f1e850a93da95557c8221554d9db91
[INFO] running `"docker" "start" "-a" "4f5b9b8fa091997ab09389600cb919da32f1e850a93da95557c8221554d9db91"`
[INFO] [stderr]     Checking rust-model-checker v0.1.0 (/opt/rustwide/workdir)
[INFO] [stderr] warning: trait objects without an explicit `dyn` are deprecated
[INFO] [stderr]  --> src/buechi.rs:6:16
[INFO] [stderr]   |
[INFO] [stderr] 6 |     trans: Box<Fn(&Q, &S) -> HashSet<Q>>,
[INFO] [stderr]   |                ^^^^^^^^^^^^^^^^^^^^^^^^ help: use `dyn`: `dyn Fn(&Q, &S) -> HashSet<Q>`
[INFO] [stderr]   |
[INFO] [stderr]   = note: `#[warn(bare_trait_objects)]` on by default
[INFO] [stderr] 
[INFO] [stderr] warning: trait objects without an explicit `dyn` are deprecated
[INFO] [stderr]  --> src/buechi.rs:7:20
[INFO] [stderr]   |
[INFO] [stderr] 7 |     accepting: Box<Fn(&Q) -> bool>,
[INFO] [stderr]   |                    ^^^^^^^^^^^^^^ help: use `dyn`: `dyn Fn(&Q) -> bool`
[INFO] [stderr] 
[INFO] [stderr] warning: `...` range patterns are deprecated
[INFO] [stderr]    --> src/ltl/lexer.rs:130:16
[INFO] [stderr]     |
[INFO] [stderr] 130 |             'a'...'z' => {
[INFO] [stderr]     |                ^^^ help: use `..=` for an inclusive range
[INFO] [stderr]     |
[INFO] [stderr]     = note: `#[warn(ellipsis_inclusive_range_patterns)]` on by default
[INFO] [stderr] 
[INFO] [stderr] warning: `...` range patterns are deprecated
[INFO] [stderr]    --> src/ltl/lexer.rs:173:16
[INFO] [stderr]     |
[INFO] [stderr] 173 |             'a'...'z' | '0'...'9' | '_' => token.push(c),
[INFO] [stderr]     |                ^^^ help: use `..=` for an inclusive range
[INFO] [stderr] 
[INFO] [stderr] warning: `...` range patterns are deprecated
[INFO] [stderr]    --> src/ltl/lexer.rs:173:28
[INFO] [stderr]     |
[INFO] [stderr] 173 |             'a'...'z' | '0'...'9' | '_' => token.push(c),
[INFO] [stderr]     |                            ^^^ help: use `..=` for an inclusive range
[INFO] [stderr] 
[INFO] [stderr] warning: trait objects without an explicit `dyn` are deprecated
[INFO] [stderr]  --> src/buechi.rs:6:16
[INFO] [stderr]   |
[INFO] [stderr] 6 |     trans: Box<Fn(&Q, &S) -> HashSet<Q>>,
[INFO] [stderr]   |                ^^^^^^^^^^^^^^^^^^^^^^^^ help: use `dyn`: `dyn Fn(&Q, &S) -> HashSet<Q>`
[INFO] [stderr]   |
[INFO] [stderr]   = note: `#[warn(bare_trait_objects)]` on by default
[INFO] [stderr] 
[INFO] [stderr] warning: trait objects without an explicit `dyn` are deprecated
[INFO] [stderr]  --> src/buechi.rs:7:20
[INFO] [stderr]   |
[INFO] [stderr] 7 |     accepting: Box<Fn(&Q) -> bool>,
[INFO] [stderr]   |                    ^^^^^^^^^^^^^^ help: use `dyn`: `dyn Fn(&Q) -> bool`
[INFO] [stderr] 
[INFO] [stderr] warning: `...` range patterns are deprecated
[INFO] [stderr]    --> src/ltl/lexer.rs:130:16
[INFO] [stderr]     |
[INFO] [stderr] 130 |             'a'...'z' => {
[INFO] [stderr]     |                ^^^ help: use `..=` for an inclusive range
[INFO] [stderr]     |
[INFO] [stderr]     = note: `#[warn(ellipsis_inclusive_range_patterns)]` on by default
[INFO] [stderr] 
[INFO] [stderr] warning: `...` range patterns are deprecated
[INFO] [stderr]    --> src/ltl/lexer.rs:173:16
[INFO] [stderr]     |
[INFO] [stderr] 173 |             'a'...'z' | '0'...'9' | '_' => token.push(c),
[INFO] [stderr]     |                ^^^ help: use `..=` for an inclusive range
[INFO] [stderr] 
[INFO] [stderr] warning: `...` range patterns are deprecated
[INFO] [stderr]    --> src/ltl/lexer.rs:173:28
[INFO] [stderr]     |
[INFO] [stderr] 173 |             'a'...'z' | '0'...'9' | '_' => token.push(c),
[INFO] [stderr]     |                            ^^^ help: use `..=` for an inclusive range
[INFO] [stderr] 
[INFO] [stderr] warning: unused variable: `i`
[INFO] [stderr]   --> src/ltl/parser.rs:18:10
[INFO] [stderr]    |
[INFO] [stderr] 18 |     let (i, token) = stream.next().ok_or(ParserError)?;
[INFO] [stderr]    |          ^ help: consider prefixing with an underscore: `_i`
[INFO] [stderr]    |
[INFO] [stderr]    = note: `#[warn(unused_variables)]` on by default
[INFO] [stderr] 
[INFO] [stderr] warning: unused variable: `i`
[INFO] [stderr]   --> src/ltl/parser.rs:26:18
[INFO] [stderr]    |
[INFO] [stderr] 26 |             let (i, token) = stream.next().ok_or(ParserError)?;
[INFO] [stderr]    |                  ^ help: consider prefixing with an underscore: `_i`
[INFO] [stderr] 
[INFO] [stderr] warning: unused variable: `i`
[INFO] [stderr]   --> src/ltl/parser.rs:58:19
[INFO] [stderr]    |
[INFO] [stderr] 58 |     if let Some(&(i, LexItem::BinOp(op))) = stream.peek() {
[INFO] [stderr]    |                   ^ help: consider prefixing with an underscore: `_i`
[INFO] [stderr] 
[INFO] [stderr] warning: unused variable: `i`
[INFO] [stderr]   --> src/ltl/parser.rs:18:10
[INFO] [stderr]    |
[INFO] [stderr] 18 |     let (i, token) = stream.next().ok_or(ParserError)?;
[INFO] [stderr]    |          ^ help: consider prefixing with an underscore: `_i`
[INFO] [stderr]    |
[INFO] [stderr]    = note: `#[warn(unused_variables)]` on by default
[INFO] [stderr] 
[INFO] [stderr] warning: unused variable: `i`
[INFO] [stderr]   --> src/ltl/parser.rs:26:18
[INFO] [stderr]    |
[INFO] [stderr] 26 |             let (i, token) = stream.next().ok_or(ParserError)?;
[INFO] [stderr]    |                  ^ help: consider prefixing with an underscore: `_i`
[INFO] [stderr] 
[INFO] [stderr] warning: unused variable: `i`
[INFO] [stderr]   --> src/ltl/parser.rs:58:19
[INFO] [stderr]    |
[INFO] [stderr] 58 |     if let Some(&(i, LexItem::BinOp(op))) = stream.peek() {
[INFO] [stderr]    |                   ^ help: consider prefixing with an underscore: `_i`
[INFO] [stderr] 
[INFO] [stderr] warning: field is never used: `initial`
[INFO] [stderr]   --> src/buechi.rs:11:5
[INFO] [stderr]    |
[INFO] [stderr] 11 |     initial: HashSet<Q>,
[INFO] [stderr]    |     ^^^^^^^^^^^^^^^^^^^
[INFO] [stderr]    |
[INFO] [stderr]    = note: `#[warn(dead_code)]` on by default
[INFO] [stderr] 
[INFO] [stderr] warning: field is never used: `trans`
[INFO] [stderr]   --> src/buechi.rs:12:5
[INFO] [stderr]    |
[INFO] [stderr] 12 |     trans: HashSet<(Q, S, Q)>,
[INFO] [stderr]    |     ^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: field is never used: `accepting`
[INFO] [stderr]   --> src/buechi.rs:13:5
[INFO] [stderr]    |
[INFO] [stderr] 13 |     accepting: HashSet<Q>,
[INFO] [stderr]    |     ^^^^^^^^^^^^^^^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: field is never used: `initial`
[INFO] [stderr]   --> src/buechi.rs:11:5
[INFO] [stderr]    |
[INFO] [stderr] 11 |     initial: HashSet<Q>,
[INFO] [stderr]    |     ^^^^^^^^^^^^^^^^^^^
[INFO] [stderr]    |
[INFO] [stderr]    = note: `#[warn(dead_code)]` on by default
[INFO] [stderr] 
[INFO] [stderr] warning: field is never used: `trans`
[INFO] [stderr]   --> src/buechi.rs:12:5
[INFO] [stderr]    |
[INFO] [stderr] 12 |     trans: HashSet<(Q, S, Q)>,
[INFO] [stderr]    |     ^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: field is never used: `accepting`
[INFO] [stderr]   --> src/buechi.rs:13:5
[INFO] [stderr]    |
[INFO] [stderr] 13 |     accepting: HashSet<Q>,
[INFO] [stderr]    |     ^^^^^^^^^^^^^^^^^^^^^
[INFO] [stderr] 
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 2.04s
[INFO] running `"docker" "inspect" "4f5b9b8fa091997ab09389600cb919da32f1e850a93da95557c8221554d9db91"`
[INFO] running `"docker" "rm" "-f" "4f5b9b8fa091997ab09389600cb919da32f1e850a93da95557c8221554d9db91"`
[INFO] [stdout] 4f5b9b8fa091997ab09389600cb919da32f1e850a93da95557c8221554d9db91