[INFO] crate oxigen 1.4.2 is already in cache
[INFO] extracting crate oxigen 1.4.2 into work/ex/pr-61874/sources/master#9f06855064ed06a50c496577b21ca50f92a2e67d/reg/oxigen/1.4.2
[INFO] extracting crate oxigen 1.4.2 into work/ex/pr-61874/sources/try#d3301713b54af69ca9de941a8c6b0d8287dbd6df/reg/oxigen/1.4.2
[INFO] validating manifest of oxigen-1.4.2 on toolchain master#9f06855064ed06a50c496577b21ca50f92a2e67d
[INFO] running `"/mnt/big/crater/work/local/cargo-home/bin/cargo" "+9f06855064ed06a50c496577b21ca50f92a2e67d-alt" "read-manifest" "--manifest-path" "Cargo.toml"`
[INFO] validating manifest of oxigen-1.4.2 on toolchain try#d3301713b54af69ca9de941a8c6b0d8287dbd6df
[INFO] running `"/mnt/big/crater/work/local/cargo-home/bin/cargo" "+d3301713b54af69ca9de941a8c6b0d8287dbd6df-alt" "read-manifest" "--manifest-path" "Cargo.toml"`
[INFO] started frobbing oxigen-1.4.2
[INFO] finished frobbing oxigen-1.4.2
[INFO] frobbed toml for oxigen-1.4.2 written to work/ex/pr-61874/sources/master#9f06855064ed06a50c496577b21ca50f92a2e67d/reg/oxigen/1.4.2/Cargo.toml
[INFO] started frobbing oxigen-1.4.2
[INFO] finished frobbing oxigen-1.4.2
[INFO] frobbed toml for oxigen-1.4.2 written to work/ex/pr-61874/sources/try#d3301713b54af69ca9de941a8c6b0d8287dbd6df/reg/oxigen/1.4.2/Cargo.toml
[INFO] running `"/mnt/big/crater/work/local/cargo-home/bin/cargo" "+9f06855064ed06a50c496577b21ca50f92a2e67d-alt" "generate-lockfile" "--manifest-path" "Cargo.toml" "-Zno-index-update"`
[INFO] running `"/mnt/big/crater/work/local/cargo-home/bin/cargo" "+d3301713b54af69ca9de941a8c6b0d8287dbd6df-alt" "generate-lockfile" "--manifest-path" "Cargo.toml" "-Zno-index-update"`
[INFO] running `"/mnt/big/crater/work/local/cargo-home/bin/cargo" "+9f06855064ed06a50c496577b21ca50f92a2e67d-alt" "fetch" "--locked" "--manifest-path" "Cargo.toml"`
[INFO] running `"/mnt/big/crater/work/local/cargo-home/bin/cargo" "+d3301713b54af69ca9de941a8c6b0d8287dbd6df-alt" "fetch" "--locked" "--manifest-path" "Cargo.toml"`
[INFO] checking oxigen-1.4.2 against try#d3301713b54af69ca9de941a8c6b0d8287dbd6df for pr-61874
[INFO] running `"docker" "create" "-v" "/mnt/big/crater/work/local/target-dirs/pr-61874/worker-0/try#d3301713b54af69ca9de941a8c6b0d8287dbd6df:/opt/crater/target:rw,Z" "-v" "/mnt/big/crater/work/ex/pr-61874/sources/try#d3301713b54af69ca9de941a8c6b0d8287dbd6df/reg/oxigen/1.4.2:/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" "+d3301713b54af69ca9de941a8c6b0d8287dbd6df-alt" "check" "--frozen" "--all" "--all-targets"`
[INFO] [stdout] 53709e23d6aee91156d9fb19007d43cf423e0b634e1daf21367017e9d35082eb
[INFO] running `"docker" "start" "-a" "53709e23d6aee91156d9fb19007d43cf423e0b634e1daf21367017e9d35082eb"`
[INFO] [stderr]     Checking sled_sync v0.2.2
[INFO] [stderr]     Checking historian v3.0.11
[INFO] [stderr]     Checking oxigen v1.4.2 (/opt/crater/workdir)
[INFO] [stderr] warning: trait objects without an explicit `dyn` are deprecated
[INFO] [stderr]   --> src/lib.rs:73:24
[INFO] [stderr]    |
[INFO] [stderr] 73 |     mutation_rate: Box<MutationRate>,
[INFO] [stderr]    |                        ^^^^^^^^^^^^ help: use `dyn`: `dyn MutationRate`
[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/lib.rs:75:25
[INFO] [stderr]    |
[INFO] [stderr] 75 |     selection_rate: Box<SelectionRate>,
[INFO] [stderr]    |                         ^^^^^^^^^^^^^ help: use `dyn`: `dyn SelectionRate`
[INFO] [stderr] 
[INFO] [stderr] warning: trait objects without an explicit `dyn` are deprecated
[INFO] [stderr]   --> src/lib.rs:77:20
[INFO] [stderr]    |
[INFO] [stderr] 77 |     selection: Box<Selection>,
[INFO] [stderr]    |                    ^^^^^^^^^ help: use `dyn`: `dyn Selection`
[INFO] [stderr] 
[INFO] [stderr] warning: trait objects without an explicit `dyn` are deprecated
[INFO] [stderr]   --> src/lib.rs:79:14
[INFO] [stderr]    |
[INFO] [stderr] 79 |     age: Box<Age>,
[INFO] [stderr]    |              ^^^ help: use `dyn`: `dyn Age`
[INFO] [stderr] 
[INFO] [stderr] warning: trait objects without an explicit `dyn` are deprecated
[INFO] [stderr]   --> src/lib.rs:81:20
[INFO] [stderr]    |
[INFO] [stderr] 81 |     crossover: Box<Crossover<T, Ind>>,
[INFO] [stderr]    |                    ^^^^^^^^^^^^^^^^^ help: use `dyn`: `dyn Crossover<T, Ind>`
[INFO] [stderr] 
[INFO] [stderr] warning: trait objects without an explicit `dyn` are deprecated
[INFO] [stderr]   --> src/lib.rs:83:28
[INFO] [stderr]    |
[INFO] [stderr] 83 |     survival_pressure: Box<SurvivalPressure<T, Ind>>,
[INFO] [stderr]    |                            ^^^^^^^^^^^^^^^^^^^^^^^^ help: use `dyn`: `dyn SurvivalPressure<T, Ind>`
[INFO] [stderr] 
[INFO] [stderr] warning: trait objects without an explicit `dyn` are deprecated
[INFO] [stderr]   --> src/lib.rs:85:25
[INFO] [stderr]    |
[INFO] [stderr] 85 |     stop_criterion: Box<StopCriterion>,
[INFO] [stderr]    |                         ^^^^^^^^^^^^^ help: use `dyn`: `dyn StopCriterion`
[INFO] [stderr] 
[INFO] [stderr] warning: trait objects without an explicit `dyn` are deprecated
[INFO] [stderr]    --> src/lib.rs:152:49
[INFO] [stderr]     |
[INFO] [stderr] 152 |     pub fn mutation_rate(mut self, new_mut: Box<MutationRate>) -> Self {
[INFO] [stderr]     |                                                 ^^^^^^^^^^^^ help: use `dyn`: `dyn MutationRate`
[INFO] [stderr] 
[INFO] [stderr] warning: trait objects without an explicit `dyn` are deprecated
[INFO] [stderr]    --> src/lib.rs:158:55
[INFO] [stderr]     |
[INFO] [stderr] 158 |     pub fn selection_rate(mut self, new_sel_rate: Box<SelectionRate>) -> Self {
[INFO] [stderr]     |                                                       ^^^^^^^^^^^^^ help: use `dyn`: `dyn SelectionRate`
[INFO] [stderr] 
[INFO] [stderr] warning: trait objects without an explicit `dyn` are deprecated
[INFO] [stderr]    --> src/lib.rs:164:51
[INFO] [stderr]     |
[INFO] [stderr] 164 |     pub fn select_function(mut self, new_sel: Box<Selection>) -> Self {
[INFO] [stderr]     |                                                   ^^^^^^^^^ help: use `dyn`: `dyn Selection`
[INFO] [stderr] 
[INFO] [stderr] warning: trait objects without an explicit `dyn` are deprecated
[INFO] [stderr]    --> src/lib.rs:170:48
[INFO] [stderr]     |
[INFO] [stderr] 170 |     pub fn age_function(mut self, new_age: Box<Age>) -> Self {
[INFO] [stderr]     |                                                ^^^ help: use `dyn`: `dyn Age`
[INFO] [stderr] 
[INFO] [stderr] warning: trait objects without an explicit `dyn` are deprecated
[INFO] [stderr]    --> src/lib.rs:176:56
[INFO] [stderr]     |
[INFO] [stderr] 176 |     pub fn crossover_function(mut self, new_cross: Box<Crossover<T, Ind>>) -> Self {
[INFO] [stderr]     |                                                        ^^^^^^^^^^^^^^^^^ help: use `dyn`: `dyn Crossover<T, Ind>`
[INFO] [stderr] 
[INFO] [stderr] warning: trait objects without an explicit `dyn` are deprecated
[INFO] [stderr]    --> src/lib.rs:182:63
[INFO] [stderr]     |
[INFO] [stderr] 182 |     pub fn survival_pressure_function(mut self, new_surv: Box<SurvivalPressure<T, Ind>>) -> Self {
[INFO] [stderr]     |                                                               ^^^^^^^^^^^^^^^^^^^^^^^^ help: use `dyn`: `dyn SurvivalPressure<T, Ind>`
[INFO] [stderr] 
[INFO] [stderr] warning: trait objects without an explicit `dyn` are deprecated
[INFO] [stderr]    --> src/lib.rs:188:51
[INFO] [stderr]     |
[INFO] [stderr] 188 |     pub fn stop_criterion(mut self, new_crit: Box<StopCriterion>) -> Self {
[INFO] [stderr]     |                                                   ^^^^^^^^^^^^^ help: use `dyn`: `dyn StopCriterion`
[INFO] [stderr] 
[INFO] [stderr] warning: trait objects without an explicit `dyn` are deprecated
[INFO] [stderr]   --> src/lib.rs:73:24
[INFO] [stderr]    |
[INFO] [stderr] 73 |     mutation_rate: Box<MutationRate>,
[INFO] [stderr]    |                        ^^^^^^^^^^^^ help: use `dyn`: `dyn MutationRate`
[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/lib.rs:75:25
[INFO] [stderr]    |
[INFO] [stderr] 75 |     selection_rate: Box<SelectionRate>,
[INFO] [stderr]    |                         ^^^^^^^^^^^^^ help: use `dyn`: `dyn SelectionRate`
[INFO] [stderr] 
[INFO] [stderr] warning: trait objects without an explicit `dyn` are deprecated
[INFO] [stderr]   --> src/lib.rs:77:20
[INFO] [stderr]    |
[INFO] [stderr] 77 |     selection: Box<Selection>,
[INFO] [stderr]    |                    ^^^^^^^^^ help: use `dyn`: `dyn Selection`
[INFO] [stderr] 
[INFO] [stderr] warning: trait objects without an explicit `dyn` are deprecated
[INFO] [stderr]   --> src/lib.rs:79:14
[INFO] [stderr]    |
[INFO] [stderr] 79 |     age: Box<Age>,
[INFO] [stderr]    |              ^^^ help: use `dyn`: `dyn Age`
[INFO] [stderr] 
[INFO] [stderr] warning: trait objects without an explicit `dyn` are deprecated
[INFO] [stderr]   --> src/lib.rs:81:20
[INFO] [stderr]    |
[INFO] [stderr] 81 |     crossover: Box<Crossover<T, Ind>>,
[INFO] [stderr]    |                    ^^^^^^^^^^^^^^^^^ help: use `dyn`: `dyn Crossover<T, Ind>`
[INFO] [stderr] 
[INFO] [stderr] warning: trait objects without an explicit `dyn` are deprecated
[INFO] [stderr]   --> src/lib.rs:83:28
[INFO] [stderr]    |
[INFO] [stderr] 83 |     survival_pressure: Box<SurvivalPressure<T, Ind>>,
[INFO] [stderr]    |                            ^^^^^^^^^^^^^^^^^^^^^^^^ help: use `dyn`: `dyn SurvivalPressure<T, Ind>`
[INFO] [stderr] 
[INFO] [stderr] warning: trait objects without an explicit `dyn` are deprecated
[INFO] [stderr]   --> src/lib.rs:85:25
[INFO] [stderr]    |
[INFO] [stderr] 85 |     stop_criterion: Box<StopCriterion>,
[INFO] [stderr]    |                         ^^^^^^^^^^^^^ help: use `dyn`: `dyn StopCriterion`
[INFO] [stderr] 
[INFO] [stderr] warning: trait objects without an explicit `dyn` are deprecated
[INFO] [stderr]    --> src/lib.rs:152:49
[INFO] [stderr]     |
[INFO] [stderr] 152 |     pub fn mutation_rate(mut self, new_mut: Box<MutationRate>) -> Self {
[INFO] [stderr]     |                                                 ^^^^^^^^^^^^ help: use `dyn`: `dyn MutationRate`
[INFO] [stderr] 
[INFO] [stderr] warning: trait objects without an explicit `dyn` are deprecated
[INFO] [stderr]    --> src/lib.rs:158:55
[INFO] [stderr]     |
[INFO] [stderr] 158 |     pub fn selection_rate(mut self, new_sel_rate: Box<SelectionRate>) -> Self {
[INFO] [stderr]     |                                                       ^^^^^^^^^^^^^ help: use `dyn`: `dyn SelectionRate`
[INFO] [stderr] 
[INFO] [stderr] warning: trait objects without an explicit `dyn` are deprecated
[INFO] [stderr]    --> src/lib.rs:164:51
[INFO] [stderr]     |
[INFO] [stderr] 164 |     pub fn select_function(mut self, new_sel: Box<Selection>) -> Self {
[INFO] [stderr]     |                                                   ^^^^^^^^^ help: use `dyn`: `dyn Selection`
[INFO] [stderr] 
[INFO] [stderr] warning: trait objects without an explicit `dyn` are deprecated
[INFO] [stderr]    --> src/lib.rs:170:48
[INFO] [stderr]     |
[INFO] [stderr] 170 |     pub fn age_function(mut self, new_age: Box<Age>) -> Self {
[INFO] [stderr]     |                                                ^^^ help: use `dyn`: `dyn Age`
[INFO] [stderr] 
[INFO] [stderr] warning: trait objects without an explicit `dyn` are deprecated
[INFO] [stderr]    --> src/lib.rs:176:56
[INFO] [stderr]     |
[INFO] [stderr] 176 |     pub fn crossover_function(mut self, new_cross: Box<Crossover<T, Ind>>) -> Self {
[INFO] [stderr]     |                                                        ^^^^^^^^^^^^^^^^^ help: use `dyn`: `dyn Crossover<T, Ind>`
[INFO] [stderr] 
[INFO] [stderr] warning: trait objects without an explicit `dyn` are deprecated
[INFO] [stderr]    --> src/lib.rs:182:63
[INFO] [stderr]     |
[INFO] [stderr] 182 |     pub fn survival_pressure_function(mut self, new_surv: Box<SurvivalPressure<T, Ind>>) -> Self {
[INFO] [stderr]     |                                                               ^^^^^^^^^^^^^^^^^^^^^^^^ help: use `dyn`: `dyn SurvivalPressure<T, Ind>`
[INFO] [stderr] 
[INFO] [stderr] warning: trait objects without an explicit `dyn` are deprecated
[INFO] [stderr]    --> src/lib.rs:188:51
[INFO] [stderr]     |
[INFO] [stderr] 188 |     pub fn stop_criterion(mut self, new_crit: Box<StopCriterion>) -> Self {
[INFO] [stderr]     |                                                   ^^^^^^^^^^^^^ help: use `dyn`: `dyn StopCriterion`
[INFO] [stderr] 
[INFO] [stderr] warning: variable does not need to be mutable
[INFO] [stderr]    --> src/lib.rs:331:17
[INFO] [stderr]     |
[INFO] [stderr] 331 |             let mut progress_hist = Histo::default();
[INFO] [stderr]     |                 ----^^^^^^^^^^^^^
[INFO] [stderr]     |                 |
[INFO] [stderr]     |                 help: remove this `mut`
[INFO] [stderr]     |
[INFO] [stderr]     = note: #[warn(unused_mut)] on by default
[INFO] [stderr] 
[INFO] [stderr] warning: variable does not need to be mutable
[INFO] [stderr]    --> src/lib.rs:335:17
[INFO] [stderr]     |
[INFO] [stderr] 335 |             let mut fit_hist = Histo::default();
[INFO] [stderr]     |                 ----^^^^^^^^
[INFO] [stderr]     |                 |
[INFO] [stderr]     |                 help: remove this `mut`
[INFO] [stderr] 
[INFO] [stderr] warning: variable does not need to be mutable
[INFO] [stderr]    --> src/lib.rs:331:17
[INFO] [stderr]     |
[INFO] [stderr] 331 |             let mut progress_hist = Histo::default();
[INFO] [stderr]     |                 ----^^^^^^^^^^^^^
[INFO] [stderr]     |                 |
[INFO] [stderr]     |                 help: remove this `mut`
[INFO] [stderr]     |
[INFO] [stderr]     = note: #[warn(unused_mut)] on by default
[INFO] [stderr] 
[INFO] [stderr] warning: variable does not need to be mutable
[INFO] [stderr]    --> src/lib.rs:335:17
[INFO] [stderr]     |
[INFO] [stderr] 335 |             let mut fit_hist = Histo::default();
[INFO] [stderr]     |                 ----^^^^^^^^
[INFO] [stderr]     |                 |
[INFO] [stderr]     |                 help: remove this `mut`
[INFO] [stderr] 
[INFO] [stderr] warning: variable does not need to be mutable
[INFO] [stderr]    --> src/selection.rs:103:25
[INFO] [stderr]     |
[INFO] [stderr] 103 |                     let mut last_phase = &mut phases[n_phases - 1];
[INFO] [stderr]     |                         ----^^^^^^^^^^
[INFO] [stderr]     |                         |
[INFO] [stderr]     |                         help: remove this `mut`
[INFO] [stderr] 
[INFO] [stderr] warning: variable does not need to be mutable
[INFO] [stderr]    --> src/selection.rs:103:25
[INFO] [stderr]     |
[INFO] [stderr] 103 |                     let mut last_phase = &mut phases[n_phases - 1];
[INFO] [stderr]     |                         ----^^^^^^^^^^
[INFO] [stderr]     |                         |
[INFO] [stderr]     |                         help: remove this `mut`
[INFO] [stderr] 
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 4.03s
[INFO] running `"docker" "inspect" "53709e23d6aee91156d9fb19007d43cf423e0b634e1daf21367017e9d35082eb"`
[INFO] running `"docker" "rm" "-f" "53709e23d6aee91156d9fb19007d43cf423e0b634e1daf21367017e9d35082eb"`
[INFO] [stdout] 53709e23d6aee91156d9fb19007d43cf423e0b634e1daf21367017e9d35082eb