[INFO] fetching crate aristeia 0.2.3...
[INFO] extracting crate aristeia 0.2.3 into work/ex/pr-62008/sources/master#848e0a23f34aaab3e4a974b031c86ef2a4e4fcc1/reg/aristeia/0.2.3
[INFO] extracting crate aristeia 0.2.3 into work/ex/pr-62008/sources/try#8f81d0bf6baf07b92f1246696722485c4ca0b049/reg/aristeia/0.2.3
[INFO] validating manifest of aristeia-0.2.3 on toolchain master#848e0a23f34aaab3e4a974b031c86ef2a4e4fcc1
[INFO] running `"/mnt/big/ec2-user/crater/work/local/cargo-home/bin/cargo" "+848e0a23f34aaab3e4a974b031c86ef2a4e4fcc1-alt" "read-manifest" "--manifest-path" "Cargo.toml"`
[INFO] validating manifest of aristeia-0.2.3 on toolchain try#8f81d0bf6baf07b92f1246696722485c4ca0b049
[INFO] running `"/mnt/big/ec2-user/crater/work/local/cargo-home/bin/cargo" "+8f81d0bf6baf07b92f1246696722485c4ca0b049-alt" "read-manifest" "--manifest-path" "Cargo.toml"`
[INFO] started frobbing aristeia-0.2.3
[INFO] finished frobbing aristeia-0.2.3
[INFO] frobbed toml for aristeia-0.2.3 written to work/ex/pr-62008/sources/master#848e0a23f34aaab3e4a974b031c86ef2a4e4fcc1/reg/aristeia/0.2.3/Cargo.toml
[INFO] started frobbing aristeia-0.2.3
[INFO] finished frobbing aristeia-0.2.3
[INFO] frobbed toml for aristeia-0.2.3 written to work/ex/pr-62008/sources/try#8f81d0bf6baf07b92f1246696722485c4ca0b049/reg/aristeia/0.2.3/Cargo.toml
[INFO] running `"/mnt/big/ec2-user/crater/work/local/cargo-home/bin/cargo" "+848e0a23f34aaab3e4a974b031c86ef2a4e4fcc1-alt" "generate-lockfile" "--manifest-path" "Cargo.toml" "-Zno-index-update"`
[INFO] [stderr]     Blocking waiting for file lock on package cache
[INFO] running `"/mnt/big/ec2-user/crater/work/local/cargo-home/bin/cargo" "+8f81d0bf6baf07b92f1246696722485c4ca0b049-alt" "generate-lockfile" "--manifest-path" "Cargo.toml" "-Zno-index-update"`
[INFO] running `"/mnt/big/ec2-user/crater/work/local/cargo-home/bin/cargo" "+848e0a23f34aaab3e4a974b031c86ef2a4e4fcc1-alt" "fetch" "--locked" "--manifest-path" "Cargo.toml"`
[INFO] running `"/mnt/big/ec2-user/crater/work/local/cargo-home/bin/cargo" "+8f81d0bf6baf07b92f1246696722485c4ca0b049-alt" "fetch" "--locked" "--manifest-path" "Cargo.toml"`
[INFO] checking aristeia-0.2.3 against master#848e0a23f34aaab3e4a974b031c86ef2a4e4fcc1 for pr-62008
[INFO] running `"docker" "create" "-v" "/mnt/big/ec2-user/crater/work/local/target-dirs/pr-62008/worker-1/master#848e0a23f34aaab3e4a974b031c86ef2a4e4fcc1:/opt/crater/target:rw,Z" "-v" "/mnt/big/ec2-user/crater/work/ex/pr-62008/sources/master#848e0a23f34aaab3e4a974b031c86ef2a4e4fcc1/reg/aristeia/0.2.3:/opt/crater/workdir:ro,Z" "-v" "/mnt/big/ec2-user/crater/work/local/cargo-home:/opt/crater/cargo-home:ro,Z" "-v" "/mnt/big/ec2-user/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" "+848e0a23f34aaab3e4a974b031c86ef2a4e4fcc1-alt" "check" "--frozen" "--all" "--all-targets"`
[INFO] [stdout] d34191f00c3213be360b9f2e8bc4cdd902369acc4b2e1e0050c5b956ff74f864
[INFO] running `"docker" "start" "-a" "d34191f00c3213be360b9f2e8bc4cdd902369acc4b2e1e0050c5b956ff74f864"`
[INFO] [stderr]     Checking aristeia v0.2.3 (/opt/crater/workdir)
[INFO] [stderr] warning: trait objects without an explicit `dyn` are deprecated
[INFO] [stderr]    --> src/operations.rs:138:88
[INFO] [stderr]     |
[INFO] [stderr] 138 |     pub fn run (&self, population: Population<Gene>, data: &Data, score_provider: &mut ScoreProvider<Gene, Data>) -> Population<Gene>
[INFO] [stderr]     |                                                                                        ^^^^^^^^^^^^^^^^^^^^^^^^^ help: use `dyn`: `dyn ScoreProvider<Gene, Data>`
[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/operations.rs:152:26
[INFO] [stderr]     |
[INFO] [stderr] 152 |     score_provider: &mut ScoreProvider<Gene, Data>
[INFO] [stderr]     |                          ^^^^^^^^^^^^^^^^^^^^^^^^^ help: use `dyn`: `dyn ScoreProvider<Gene, Data>`
[INFO] [stderr] 
[INFO] [stderr] warning: trait objects without an explicit `dyn` are deprecated
[INFO] [stderr]    --> src/operations.rs:174:26
[INFO] [stderr]     |
[INFO] [stderr] 174 |     score_provider: &mut ScoreProvider<Gene, Data>
[INFO] [stderr]     |                          ^^^^^^^^^^^^^^^^^^^^^^^^^ help: use `dyn`: `dyn ScoreProvider<Gene, Data>`
[INFO] [stderr] 
[INFO] [stderr] warning: trait objects without an explicit `dyn` are deprecated
[INFO] [stderr]    --> src/operations.rs:230:26
[INFO] [stderr]     |
[INFO] [stderr] 230 |     score_provider: &mut ScoreProvider<Gene, Data>,
[INFO] [stderr]     |                          ^^^^^^^^^^^^^^^^^^^^^^^^^ help: use `dyn`: `dyn ScoreProvider<Gene, Data>`
[INFO] [stderr] 
[INFO] [stderr] warning: trait objects without an explicit `dyn` are deprecated
[INFO] [stderr]    --> src/operations.rs:138:88
[INFO] [stderr]     |
[INFO] [stderr] 138 |     pub fn run (&self, population: Population<Gene>, data: &Data, score_provider: &mut ScoreProvider<Gene, Data>) -> Population<Gene>
[INFO] [stderr]     |                                                                                        ^^^^^^^^^^^^^^^^^^^^^^^^^ help: use `dyn`: `dyn ScoreProvider<Gene, Data>`
[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/operations.rs:152:26
[INFO] [stderr]     |
[INFO] [stderr] 152 |     score_provider: &mut ScoreProvider<Gene, Data>
[INFO] [stderr]     |                          ^^^^^^^^^^^^^^^^^^^^^^^^^ help: use `dyn`: `dyn ScoreProvider<Gene, Data>`
[INFO] [stderr] 
[INFO] [stderr] warning: trait objects without an explicit `dyn` are deprecated
[INFO] [stderr]    --> src/operations.rs:174:26
[INFO] [stderr]     |
[INFO] [stderr] 174 |     score_provider: &mut ScoreProvider<Gene, Data>
[INFO] [stderr]     |                          ^^^^^^^^^^^^^^^^^^^^^^^^^ help: use `dyn`: `dyn ScoreProvider<Gene, Data>`
[INFO] [stderr] 
[INFO] [stderr] warning: trait objects without an explicit `dyn` are deprecated
[INFO] [stderr]    --> src/operations.rs:230:26
[INFO] [stderr]     |
[INFO] [stderr] 230 |     score_provider: &mut ScoreProvider<Gene, Data>,
[INFO] [stderr]     |                          ^^^^^^^^^^^^^^^^^^^^^^^^^ help: use `dyn`: `dyn ScoreProvider<Gene, Data>`
[INFO] [stderr] 
[INFO] [stderr] warning: variable does not need to be mutable
[INFO] [stderr]    --> src/operations.rs:219:13
[INFO] [stderr]     |
[INFO] [stderr] 219 |     for (_, mut agent) in agents {
[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/operations.rs:219:13
[INFO] [stderr]     |
[INFO] [stderr] 219 |     for (_, mut agent) in agents {
[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]     Finished dev [unoptimized + debuginfo] target(s) in 1.48s
[INFO] running `"docker" "inspect" "d34191f00c3213be360b9f2e8bc4cdd902369acc4b2e1e0050c5b956ff74f864"`
[INFO] running `"docker" "rm" "-f" "d34191f00c3213be360b9f2e8bc4cdd902369acc4b2e1e0050c5b956ff74f864"`
[INFO] [stdout] d34191f00c3213be360b9f2e8bc4cdd902369acc4b2e1e0050c5b956ff74f864