[INFO] updating cached repository Benestar/rust-model-checker
[INFO] running `"git" "fetch" "--all"`
[INFO] [stdout] Fetching origin
[INFO] [stderr] From git://github.com/Benestar/rust-model-checker
[INFO] [stderr]  * branch            HEAD       -> FETCH_HEAD
[INFO] running `"git" "clone" "work/cache/sources/gh/Benestar/rust-model-checker" "work/ex/pr-63376/sources/master#60960a260f7b5c695fd0717311d72ce62dd4eb43/gh/Benestar/rust-model-checker"`
[INFO] [stderr] Cloning into 'work/ex/pr-63376/sources/master#60960a260f7b5c695fd0717311d72ce62dd4eb43/gh/Benestar/rust-model-checker'...
[INFO] [stderr] done.
[INFO] running `"git" "clone" "work/cache/sources/gh/Benestar/rust-model-checker" "work/ex/pr-63376/sources/try#266783e4e09e4e9d5307c1c8e695659c58bbcac7/gh/Benestar/rust-model-checker"`
[INFO] [stderr] Cloning into 'work/ex/pr-63376/sources/try#266783e4e09e4e9d5307c1c8e695659c58bbcac7/gh/Benestar/rust-model-checker'...
[INFO] [stderr] done.
[INFO] running `"git" "rev-parse" "HEAD"`
[INFO] [stdout] 8142127d094cd3f9f1691aa304df052e670d65cc
[INFO] sha for GitHub repo Benestar/rust-model-checker: 8142127d094cd3f9f1691aa304df052e670d65cc
[INFO] validating manifest of Benestar/rust-model-checker on toolchain master#60960a260f7b5c695fd0717311d72ce62dd4eb43
[INFO] running `"/mnt/big/crater/work/local/cargo-home/bin/cargo" "+60960a260f7b5c695fd0717311d72ce62dd4eb43-alt" "read-manifest" "--manifest-path" "Cargo.toml"`
[INFO] validating manifest of Benestar/rust-model-checker on toolchain try#266783e4e09e4e9d5307c1c8e695659c58bbcac7
[INFO] running `"/mnt/big/crater/work/local/cargo-home/bin/cargo" "+266783e4e09e4e9d5307c1c8e695659c58bbcac7-alt" "read-manifest" "--manifest-path" "Cargo.toml"`
[INFO] started frobbing Benestar/rust-model-checker
[INFO] finished frobbing Benestar/rust-model-checker
[INFO] frobbed toml for Benestar/rust-model-checker written to work/ex/pr-63376/sources/master#60960a260f7b5c695fd0717311d72ce62dd4eb43/gh/Benestar/rust-model-checker/Cargo.toml
[INFO] started frobbing Benestar/rust-model-checker
[INFO] finished frobbing Benestar/rust-model-checker
[INFO] frobbed toml for Benestar/rust-model-checker written to work/ex/pr-63376/sources/try#266783e4e09e4e9d5307c1c8e695659c58bbcac7/gh/Benestar/rust-model-checker/Cargo.toml
[INFO] crate Benestar/rust-model-checker already has a lockfile, it will not be regenerated
[INFO] running `"/mnt/big/crater/work/local/cargo-home/bin/cargo" "+60960a260f7b5c695fd0717311d72ce62dd4eb43-alt" "fetch" "--locked" "--manifest-path" "Cargo.toml"`
[INFO] running `"/mnt/big/crater/work/local/cargo-home/bin/cargo" "+266783e4e09e4e9d5307c1c8e695659c58bbcac7-alt" "fetch" "--locked" "--manifest-path" "Cargo.toml"`
[INFO] checking Benestar/rust-model-checker against master#60960a260f7b5c695fd0717311d72ce62dd4eb43 for pr-63376
[INFO] running `"docker" "create" "-v" "/mnt/big/crater/work/local/target-dirs/pr-63376/worker-7/master#60960a260f7b5c695fd0717311d72ce62dd4eb43:/opt/crater/target:rw,Z" "-v" "/mnt/big/crater/work/ex/pr-63376/sources/master#60960a260f7b5c695fd0717311d72ce62dd4eb43/gh/Benestar/rust-model-checker:/opt/crater/workdir:ro,Z" "-v" "/mnt/big/crater/work/local/cargo-home:/opt/crater/cargo-home:ro,Z" "-v" "/mnt/big/crater/work/local/rustup-home:/opt/crater/rustup-home:ro,Z" "-e" "USER_ID=1000" "-e" "SOURCE_DIR=/opt/crater/workdir" "-e" "MAP_USER_ID=1000" "-e" "CARGO_TARGET_DIR=/opt/crater/target" "-e" "CARGO_INCREMENTAL=0" "-e" "RUST_BACKTRACE=full" "-e" "RUSTFLAGS=--cap-lints=forbid" "-e" "CARGO_HOME=/opt/crater/cargo-home" "-e" "RUSTUP_HOME=/opt/crater/rustup-home" "-w" "/opt/crater/workdir" "-m" "1536M" "--network" "none" "rustops/crates-build-env" "/opt/crater/cargo-home/bin/cargo" "+60960a260f7b5c695fd0717311d72ce62dd4eb43-alt" "check" "--frozen" "--all" "--all-targets"`
[INFO] [stdout] 267d303862c30b256643b200610b0a121b91f9b54ddb2c923e4f88f1ec54642b
[INFO] running `"docker" "start" "-a" "267d303862c30b256643b200610b0a121b91f9b54ddb2c923e4f88f1ec54642b"`
[INFO] [stderr]     Checking rust-model-checker v0.1.0 (/opt/crater/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: 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: 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]     Finished dev [unoptimized + debuginfo] target(s) in 0.98s
[INFO] running `"docker" "inspect" "267d303862c30b256643b200610b0a121b91f9b54ddb2c923e4f88f1ec54642b"`
[INFO] running `"docker" "rm" "-f" "267d303862c30b256643b200610b0a121b91f9b54ddb2c923e4f88f1ec54642b"`
[INFO] [stdout] 267d303862c30b256643b200610b0a121b91f9b54ddb2c923e4f88f1ec54642b