[INFO] crate rust-monster 0.1.0 is already in cache
[INFO] checking rust-monster-0.1.0 against master#bf1f2eedda4fa02b7c9347dd849ed73ddd43dedc for pr-70917
[INFO] extracting crate rust-monster 0.1.0 into /workspace/builds/worker-0/source
[INFO] validating manifest of crates.io crate rust-monster 0.1.0 on toolchain bf1f2eedda4fa02b7c9347dd849ed73ddd43dedc
[INFO] running `"/workspace/cargo-home/bin/cargo" "+bf1f2eedda4fa02b7c9347dd849ed73ddd43dedc" "read-manifest" "--manifest-path" "Cargo.toml"`
[INFO] started tweaking crates.io crate rust-monster 0.1.0
[INFO] finished tweaking crates.io crate rust-monster 0.1.0
[INFO] tweaked toml for crates.io crate rust-monster 0.1.0 written to /workspace/builds/worker-0/source/Cargo.toml
[INFO] running `"/workspace/cargo-home/bin/cargo" "+bf1f2eedda4fa02b7c9347dd849ed73ddd43dedc" "generate-lockfile" "--manifest-path" "Cargo.toml" "-Zno-index-update"`
[INFO] running `"/workspace/cargo-home/bin/cargo" "+bf1f2eedda4fa02b7c9347dd849ed73ddd43dedc" "fetch" "--locked" "--manifest-path" "Cargo.toml"`
[INFO] [stderr]     Blocking waiting for file lock on package cache
[INFO] running `"docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-0/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-0/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" "+bf1f2eedda4fa02b7c9347dd849ed73ddd43dedc" "check" "--frozen" "--all" "--all-targets"`
[INFO] [stdout] 319c9023324316b2c5f61fb665eff8487c01656da748721a07e8213f2d04ce4d
[INFO] [stderr] WARNING: Your kernel does not support swap limit capabilities or the cgroup is not mounted. Memory limited without swap.
[INFO] running `"docker" "start" "-a" "319c9023324316b2c5f61fb665eff8487c01656da748721a07e8213f2d04ce4d"`
[INFO] [stderr]     Checking rust-monster v0.1.0 (/opt/rustwide/workdir)
[INFO] [stderr] warning: use of deprecated item 'try': use the `?` operator instead
[INFO] [stderr]   --> src/ga/ga_core.rs:8:1
[INFO] [stderr]    |
[INFO] [stderr] 8  | / bitflags!
[INFO] [stderr] 9  | | {
[INFO] [stderr] 10 | |     pub flags GAFlags: u32
[INFO] [stderr] 11 | |     {
[INFO] [stderr] 12 | |         const DEBUG_FLAG = 0b00000001
[INFO] [stderr] 13 | |     }
[INFO] [stderr] 14 | | }
[INFO] [stderr]    | |_^
[INFO] [stderr]    |
[INFO] [stderr]    = note: `#[warn(deprecated)]` on by default
[INFO] [stderr]    = note: this warning originates in a macro (in Nightly builds, run with -Z macro-backtrace for more info)
[INFO] [stderr] 
[INFO] [stderr] warning: use of deprecated item 'try': use the `?` operator instead
[INFO] [stderr]   --> src/ga/ga_core.rs:8:1
[INFO] [stderr]    |
[INFO] [stderr] 8  | / bitflags!
[INFO] [stderr] 9  | | {
[INFO] [stderr] 10 | |     pub flags GAFlags: u32
[INFO] [stderr] 11 | |     {
[INFO] [stderr] 12 | |         const DEBUG_FLAG = 0b00000001
[INFO] [stderr] 13 | |     }
[INFO] [stderr] 14 | | }
[INFO] [stderr]    | |_^
[INFO] [stderr]    |
[INFO] [stderr]    = note: this warning originates in a macro (in Nightly builds, run with -Z macro-backtrace for more info)
[INFO] [stderr] 
[INFO] [stderr] warning: unused doc comment
[INFO] [stderr]  --> src/ga/ga_core.rs:5:1
[INFO] [stderr]   |
[INFO] [stderr] 5 | /// Bit Flags for Genetic Algorithm Configuration 
[INFO] [stderr]   | ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^ rustdoc does not generate documentation for macros
[INFO] [stderr]   |
[INFO] [stderr]   = note: `#[warn(unused_doc_comments)]` on by default
[INFO] [stderr]   = help: to document an item produced by a macro, the macro must produce the documentation as part of its expansion
[INFO] [stderr] 
[INFO] [stderr] warning: unused doc comment
[INFO] [stderr]  --> src/ga/ga_core.rs:6:1
[INFO] [stderr]   |
[INFO] [stderr] 6 | /// 
[INFO] [stderr]   | ^^^^ rustdoc does not generate documentation for macros
[INFO] [stderr]   |
[INFO] [stderr]   = help: to document an item produced by a macro, the macro must produce the documentation as part of its expansion
[INFO] [stderr] 
[INFO] [stderr] warning: unused doc comment
[INFO] [stderr]  --> src/ga/ga_core.rs:7:1
[INFO] [stderr]   |
[INFO] [stderr] 7 | ///
[INFO] [stderr]   | ^^^ rustdoc does not generate documentation for macros
[INFO] [stderr]   |
[INFO] [stderr]   = help: to document an item produced by a macro, the macro must produce the documentation as part of its expansion
[INFO] [stderr] 
[INFO] [stderr] warning: trait objects without an explicit `dyn` are deprecated
[INFO] [stderr]   --> src/ga/ga_core.rs:82:30
[INFO] [stderr]    |
[INFO] [stderr] 82 |     fn config(&mut self) -> &GAConfig;
[INFO] [stderr]    |                              ^^^^^^^^ help: use `dyn`: `dyn GAConfig`
[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/ga/ga_simple.rs:83:37
[INFO] [stderr]    |
[INFO] [stderr] 83 |                factory: Option<&mut GAFactory<T>>,
[INFO] [stderr]    |                                     ^^^^^^^^^^^^ help: use `dyn`: `dyn GAFactory<T>`
[INFO] [stderr] 
[INFO] [stderr] warning: trait objects without an explicit `dyn` are deprecated
[INFO] [stderr]    --> src/ga/ga_simple.rs:113:30
[INFO] [stderr]     |
[INFO] [stderr] 113 |     fn config(&mut self) -> &GAConfig
[INFO] [stderr]     |                              ^^^^^^^^ help: use `dyn`: `dyn GAConfig`
[INFO] [stderr] 
[INFO] [stderr] warning: trait objects without an explicit `dyn` are deprecated
[INFO] [stderr]    --> src/ga/ga_selectors.rs:130:26
[INFO] [stderr]     |
[INFO] [stderr] 130 |     score_selection: &'a GAScoreTypeBasedSelection<T>
[INFO] [stderr]     |                          ^^^^^^^^^^^^^^^^^^^^^^^^^^^^ help: use `dyn`: `dyn GAScoreTypeBasedSelection<T>`
[INFO] [stderr] 
[INFO] [stderr] warning: trait objects without an explicit `dyn` are deprecated
[INFO] [stderr]    --> src/ga/ga_selectors.rs:135:23
[INFO] [stderr]     |
[INFO] [stderr] 135 |     pub fn new(s: &'a GAScoreTypeBasedSelection<T>) -> GARankSelector<'a, T>
[INFO] [stderr]     |                       ^^^^^^^^^^^^^^^^^^^^^^^^^^^^ help: use `dyn`: `dyn GAScoreTypeBasedSelection<T>`
[INFO] [stderr] 
[INFO] [stderr] warning: trait objects without an explicit `dyn` are deprecated
[INFO] [stderr]    --> src/ga/ga_selectors.rs:215:26
[INFO] [stderr]     |
[INFO] [stderr] 215 |     score_selection: &'a GAScoreTypeBasedSelection<T>,
[INFO] [stderr]     |                          ^^^^^^^^^^^^^^^^^^^^^^^^^^^^ help: use `dyn`: `dyn GAScoreTypeBasedSelection<T>`
[INFO] [stderr] 
[INFO] [stderr] warning: trait objects without an explicit `dyn` are deprecated
[INFO] [stderr]    --> src/ga/ga_selectors.rs:222:23
[INFO] [stderr]     |
[INFO] [stderr] 222 |     pub fn new(s: &'a GAScoreTypeBasedSelection<T>, p_size: usize) -> GARouletteWheelSelector<'a, T>
[INFO] [stderr]     |                       ^^^^^^^^^^^^^^^^^^^^^^^^^^^^ help: use `dyn`: `dyn GAScoreTypeBasedSelection<T>`
[INFO] [stderr] 
[INFO] [stderr] warning: trait objects without an explicit `dyn` are deprecated
[INFO] [stderr]    --> src/ga/ga_selectors.rs:361:26
[INFO] [stderr]     |
[INFO] [stderr] 361 |     score_selection: &'a GAScoreTypeBasedSelection<T>,
[INFO] [stderr]     |                          ^^^^^^^^^^^^^^^^^^^^^^^^^^^^ help: use `dyn`: `dyn GAScoreTypeBasedSelection<T>`
[INFO] [stderr] 
[INFO] [stderr] warning: trait objects without an explicit `dyn` are deprecated
[INFO] [stderr]    --> src/ga/ga_selectors.rs:367:23
[INFO] [stderr]     |
[INFO] [stderr] 367 |     pub fn new(s: &'a GAScoreTypeBasedSelection<T>, p_size: usize) -> GATournamentSelector<'a, T>
[INFO] [stderr]     |                       ^^^^^^^^^^^^^^^^^^^^^^^^^^^^ help: use `dyn`: `dyn GAScoreTypeBasedSelection<T>`
[INFO] [stderr] 
[INFO] [stderr] warning: unused variable: `population`
[INFO] [stderr]   --> src/ga/ga_selectors.rs:42:26
[INFO] [stderr]    |
[INFO] [stderr] 42 |     fn update(&mut self, population: &mut GAPopulation<T>) {}
[INFO] [stderr]    |                          ^^^^^^^^^^ help: if this is intentional, prefix it with an underscore: `_population`
[INFO] [stderr]    |
[INFO] [stderr]    = note: `#[warn(unused_variables)]` on by default
[INFO] [stderr] 
[INFO] [stderr] warning: variable `pMutation` should have a snake case name
[INFO] [stderr]   --> src/ga/ga_core.rs:40:26
[INFO] [stderr]    |
[INFO] [stderr] 40 |     fn mutate(&mut self, pMutation : f32);
[INFO] [stderr]    |                          ^^^^^^^^^ help: convert the identifier to snake case: `p_mutation`
[INFO] [stderr]    |
[INFO] [stderr]    = note: `#[warn(non_snake_case)]` on by default
[INFO] [stderr] 
[INFO] [stderr] warning: use of deprecated item 'try': use the `?` operator instead
[INFO] [stderr]   --> src/ga/ga_core.rs:8:1
[INFO] [stderr]    |
[INFO] [stderr] 8  | / bitflags!
[INFO] [stderr] 9  | | {
[INFO] [stderr] 10 | |     pub flags GAFlags: u32
[INFO] [stderr] 11 | |     {
[INFO] [stderr] 12 | |         const DEBUG_FLAG = 0b00000001
[INFO] [stderr] 13 | |     }
[INFO] [stderr] 14 | | }
[INFO] [stderr]    | |_^
[INFO] [stderr]    |
[INFO] [stderr]    = note: `#[warn(deprecated)]` on by default
[INFO] [stderr]    = note: this warning originates in a macro (in Nightly builds, run with -Z macro-backtrace for more info)
[INFO] [stderr] 
[INFO] [stderr] warning: use of deprecated item 'try': use the `?` operator instead
[INFO] [stderr]   --> src/ga/ga_core.rs:8:1
[INFO] [stderr]    |
[INFO] [stderr] 8  | / bitflags!
[INFO] [stderr] 9  | | {
[INFO] [stderr] 10 | |     pub flags GAFlags: u32
[INFO] [stderr] 11 | |     {
[INFO] [stderr] 12 | |         const DEBUG_FLAG = 0b00000001
[INFO] [stderr] 13 | |     }
[INFO] [stderr] 14 | | }
[INFO] [stderr]    | |_^
[INFO] [stderr]    |
[INFO] [stderr]    = note: this warning originates in a macro (in Nightly builds, run with -Z macro-backtrace for more info)
[INFO] [stderr] 
[INFO] [stderr] warning: unused doc comment
[INFO] [stderr]  --> src/ga/ga_core.rs:5:1
[INFO] [stderr]   |
[INFO] [stderr] 5 | /// Bit Flags for Genetic Algorithm Configuration 
[INFO] [stderr]   | ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^ rustdoc does not generate documentation for macros
[INFO] [stderr]   |
[INFO] [stderr]   = note: `#[warn(unused_doc_comments)]` on by default
[INFO] [stderr]   = help: to document an item produced by a macro, the macro must produce the documentation as part of its expansion
[INFO] [stderr] 
[INFO] [stderr] warning: unused doc comment
[INFO] [stderr]  --> src/ga/ga_core.rs:6:1
[INFO] [stderr]   |
[INFO] [stderr] 6 | /// 
[INFO] [stderr]   | ^^^^ rustdoc does not generate documentation for macros
[INFO] [stderr]   |
[INFO] [stderr]   = help: to document an item produced by a macro, the macro must produce the documentation as part of its expansion
[INFO] [stderr] 
[INFO] [stderr] warning: unused doc comment
[INFO] [stderr]  --> src/ga/ga_core.rs:7:1
[INFO] [stderr]   |
[INFO] [stderr] 7 | ///
[INFO] [stderr]   | ^^^ rustdoc does not generate documentation for macros
[INFO] [stderr]   |
[INFO] [stderr]   = help: to document an item produced by a macro, the macro must produce the documentation as part of its expansion
[INFO] [stderr] 
[INFO] [stderr] warning: trait objects without an explicit `dyn` are deprecated
[INFO] [stderr]   --> src/ga/ga_core.rs:82:30
[INFO] [stderr]    |
[INFO] [stderr] 82 |     fn config(&mut self) -> &GAConfig;
[INFO] [stderr]    |                              ^^^^^^^^ help: use `dyn`: `dyn GAConfig`
[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/ga/ga_simple.rs:83:37
[INFO] [stderr]    |
[INFO] [stderr] 83 |                factory: Option<&mut GAFactory<T>>,
[INFO] [stderr]    |                                     ^^^^^^^^^^^^ help: use `dyn`: `dyn GAFactory<T>`
[INFO] [stderr] 
[INFO] [stderr] warning: trait objects without an explicit `dyn` are deprecated
[INFO] [stderr]    --> src/ga/ga_simple.rs:113:30
[INFO] [stderr]     |
[INFO] [stderr] 113 |     fn config(&mut self) -> &GAConfig
[INFO] [stderr]     |                              ^^^^^^^^ help: use `dyn`: `dyn GAConfig`
[INFO] [stderr] 
[INFO] [stderr] warning: trait objects without an explicit `dyn` are deprecated
[INFO] [stderr]    --> src/ga/ga_selectors.rs:130:26
[INFO] [stderr]     |
[INFO] [stderr] 130 |     score_selection: &'a GAScoreTypeBasedSelection<T>
[INFO] [stderr]     |                          ^^^^^^^^^^^^^^^^^^^^^^^^^^^^ help: use `dyn`: `dyn GAScoreTypeBasedSelection<T>`
[INFO] [stderr] 
[INFO] [stderr] warning: trait objects without an explicit `dyn` are deprecated
[INFO] [stderr]    --> src/ga/ga_selectors.rs:135:23
[INFO] [stderr]     |
[INFO] [stderr] 135 |     pub fn new(s: &'a GAScoreTypeBasedSelection<T>) -> GARankSelector<'a, T>
[INFO] [stderr]     |                       ^^^^^^^^^^^^^^^^^^^^^^^^^^^^ help: use `dyn`: `dyn GAScoreTypeBasedSelection<T>`
[INFO] [stderr] 
[INFO] [stderr] warning: trait objects without an explicit `dyn` are deprecated
[INFO] [stderr]    --> src/ga/ga_selectors.rs:215:26
[INFO] [stderr]     |
[INFO] [stderr] 215 |     score_selection: &'a GAScoreTypeBasedSelection<T>,
[INFO] [stderr]     |                          ^^^^^^^^^^^^^^^^^^^^^^^^^^^^ help: use `dyn`: `dyn GAScoreTypeBasedSelection<T>`
[INFO] [stderr] 
[INFO] [stderr] warning: trait objects without an explicit `dyn` are deprecated
[INFO] [stderr]    --> src/ga/ga_selectors.rs:222:23
[INFO] [stderr]     |
[INFO] [stderr] 222 |     pub fn new(s: &'a GAScoreTypeBasedSelection<T>, p_size: usize) -> GARouletteWheelSelector<'a, T>
[INFO] [stderr]     |                       ^^^^^^^^^^^^^^^^^^^^^^^^^^^^ help: use `dyn`: `dyn GAScoreTypeBasedSelection<T>`
[INFO] [stderr] 
[INFO] [stderr] warning: trait objects without an explicit `dyn` are deprecated
[INFO] [stderr]    --> src/ga/ga_selectors.rs:361:26
[INFO] [stderr]     |
[INFO] [stderr] 361 |     score_selection: &'a GAScoreTypeBasedSelection<T>,
[INFO] [stderr]     |                          ^^^^^^^^^^^^^^^^^^^^^^^^^^^^ help: use `dyn`: `dyn GAScoreTypeBasedSelection<T>`
[INFO] [stderr] 
[INFO] [stderr] warning: trait objects without an explicit `dyn` are deprecated
[INFO] [stderr]    --> src/ga/ga_selectors.rs:367:23
[INFO] [stderr]     |
[INFO] [stderr] 367 |     pub fn new(s: &'a GAScoreTypeBasedSelection<T>, p_size: usize) -> GATournamentSelector<'a, T>
[INFO] [stderr]     |                       ^^^^^^^^^^^^^^^^^^^^^^^^^^^^ help: use `dyn`: `dyn GAScoreTypeBasedSelection<T>`
[INFO] [stderr] 
[INFO] [stderr] warning: unused variable: `population`
[INFO] [stderr]   --> src/ga/ga_selectors.rs:42:26
[INFO] [stderr]    |
[INFO] [stderr] 42 |     fn update(&mut self, population: &mut GAPopulation<T>) {}
[INFO] [stderr]    |                          ^^^^^^^^^^ help: if this is intentional, prefix it with an underscore: `_population`
[INFO] [stderr]    |
[INFO] [stderr]    = note: `#[warn(unused_variables)]` on by default
[INFO] [stderr] 
[INFO] [stderr] warning: variable `pMutation` should have a snake case name
[INFO] [stderr]   --> src/ga/ga_core.rs:40:26
[INFO] [stderr]    |
[INFO] [stderr] 40 |     fn mutate(&mut self, pMutation : f32);
[INFO] [stderr]    |                          ^^^^^^^^^ help: convert the identifier to snake case: `p_mutation`
[INFO] [stderr]    |
[INFO] [stderr]    = note: `#[warn(non_snake_case)]` on by default
[INFO] [stderr] 
[INFO] [stderr] warning: unnecessary parentheses around block return value
[INFO] [stderr]   --> tests/lib.rs:38:36
[INFO] [stderr]    |
[INFO] [stderr] 38 |         fn fitness(&self) -> f32 { (1.0 / self.fitness) }
[INFO] [stderr]    |                                    ^^^^^^^^^^^^^^^^^^^^ help: remove these parentheses
[INFO] [stderr]    |
[INFO] [stderr]    = note: `#[warn(unused_parens)]` on by default
[INFO] [stderr] 
[INFO] [stderr] warning: trait objects without an explicit `dyn` are deprecated
[INFO] [stderr]    --> tests/lib.rs:106:76
[INFO] [stderr]     |
[INFO] [stderr] 106 | ...                   Some(&mut factory as &mut GAFactory<TestSolution>),
[INFO] [stderr]     |                                                 ^^^^^^^^^^^^^^^^^^^^^^^ help: use `dyn`: `dyn GAFactory<TestSolution>`
[INFO] [stderr]     |
[INFO] [stderr]     = note: `#[warn(bare_trait_objects)]` on by default
[INFO] [stderr] 
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 1.26s
[INFO] running `"docker" "inspect" "319c9023324316b2c5f61fb665eff8487c01656da748721a07e8213f2d04ce4d"`
[INFO] running `"docker" "rm" "-f" "319c9023324316b2c5f61fb665eff8487c01656da748721a07e8213f2d04ce4d"`
[INFO] [stdout] 319c9023324316b2c5f61fb665eff8487c01656da748721a07e8213f2d04ce4d
