[INFO] fetching crate aristeia 0.2.3...
[INFO] checking aristeia-0.2.3 against master#c9228570668803e3e6402770d55f23a12c9ae686 for pr-79472
[INFO] extracting crate aristeia 0.2.3 into /workspace/builds/worker-2/source
[INFO] validating manifest of crates.io crate aristeia 0.2.3 on toolchain c9228570668803e3e6402770d55f23a12c9ae686
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+c9228570668803e3e6402770d55f23a12c9ae686" "read-manifest" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] started tweaking crates.io crate aristeia 0.2.3
[INFO] finished tweaking crates.io crate aristeia 0.2.3
[INFO] tweaked toml for crates.io crate aristeia 0.2.3 written to /workspace/builds/worker-2/source/Cargo.toml
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+c9228570668803e3e6402770d55f23a12c9ae686" "generate-lockfile" "--manifest-path" "Cargo.toml" "-Zno-index-update", kill_on_drop: false }`
[INFO] [stderr]     Blocking waiting for file lock on package cache
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+c9228570668803e3e6402770d55f23a12c9ae686" "fetch" "--locked" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-2/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" "CARGO_TARGET_DIR=/opt/rustwide/target" "-e" "CARGO_HOME=/opt/rustwide/cargo-home" "-e" "RUSTUP_HOME=/opt/rustwide/rustup-home" "-w" "/opt/rustwide/workdir" "-m" "1610612736" "--user" "0:0" "--network" "none" "rustops/crates-build-env@sha256:6eabd152ff4036248d66efda456a36cb33d24b7291b33f25f75140726c88da35" "/opt/rustwide/cargo-home/bin/cargo" "+c9228570668803e3e6402770d55f23a12c9ae686" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] 4fb851a538fd66510b162dd7c50b84796c53e31c515a0907e8c182c0db577486
[INFO] [stderr] WARNING: Your kernel does not support swap limit capabilities or the cgroup is not mounted. Memory limited without swap.
[INFO] running `Command { std: "docker" "start" "-a" "4fb851a538fd66510b162dd7c50b84796c53e31c515a0907e8c182c0db577486", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "4fb851a538fd66510b162dd7c50b84796c53e31c515a0907e8c182c0db577486", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "4fb851a538fd66510b162dd7c50b84796c53e31c515a0907e8c182c0db577486", kill_on_drop: false }`
[INFO] [stdout] 4fb851a538fd66510b162dd7c50b84796c53e31c515a0907e8c182c0db577486
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-2/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" "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" "--user" "0:0" "--network" "none" "rustops/crates-build-env@sha256:6eabd152ff4036248d66efda456a36cb33d24b7291b33f25f75140726c88da35" "/opt/rustwide/cargo-home/bin/cargo" "+c9228570668803e3e6402770d55f23a12c9ae686" "check" "--frozen" "--all" "--all-targets" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] 9f08b8a099f44ff714607f5410a5fff728c078d3784a6d0dd47670816513d639
[INFO] [stderr] WARNING: Your kernel does not support swap limit capabilities or the cgroup is not mounted. Memory limited without swap.
[INFO] running `Command { std: "docker" "start" "-a" "9f08b8a099f44ff714607f5410a5fff728c078d3784a6d0dd47670816513d639", kill_on_drop: false }`
[INFO] [stderr]     Checking rand_os v0.1.3
[INFO] [stderr]     Checking rand v0.6.5
[INFO] [stderr]     Checking aristeia v0.2.3 (/opt/rustwide/workdir)
[INFO] [stdout] warning: trait objects without an explicit `dyn` are deprecated
[INFO] [stdout]    --> src/operations.rs:138:88
[INFO] [stdout]     |
[INFO] [stdout] 138 |     pub fn run (&self, population: Population<Gene>, data: &Data, score_provider: &mut ScoreProvider<Gene, Data>) -> Population<Gene>
[INFO] [stdout]     |                                                                                        ^^^^^^^^^^^^^^^^^^^^^^^^^ help: use `dyn`: `dyn ScoreProvider<Gene, Data>`
[INFO] [stdout]     |
[INFO] [stdout]     = note: `#[warn(bare_trait_objects)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: trait objects without an explicit `dyn` are deprecated
[INFO] [stdout]    --> src/operations.rs:152:26
[INFO] [stdout]     |
[INFO] [stdout] 152 |     score_provider: &mut ScoreProvider<Gene, Data>
[INFO] [stdout]     |                          ^^^^^^^^^^^^^^^^^^^^^^^^^ help: use `dyn`: `dyn ScoreProvider<Gene, Data>`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: trait objects without an explicit `dyn` are deprecated
[INFO] [stdout]    --> src/operations.rs:174:26
[INFO] [stdout]     |
[INFO] [stdout] 174 |     score_provider: &mut ScoreProvider<Gene, Data>
[INFO] [stdout]     |                          ^^^^^^^^^^^^^^^^^^^^^^^^^ help: use `dyn`: `dyn ScoreProvider<Gene, Data>`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: trait objects without an explicit `dyn` are deprecated
[INFO] [stdout]    --> src/operations.rs:230:26
[INFO] [stdout]     |
[INFO] [stdout] 230 |     score_provider: &mut ScoreProvider<Gene, Data>,
[INFO] [stdout]     |                          ^^^^^^^^^^^^^^^^^^^^^^^^^ help: use `dyn`: `dyn ScoreProvider<Gene, Data>`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: trait objects without an explicit `dyn` are deprecated
[INFO] [stdout]    --> src/operations.rs:138:88
[INFO] [stdout]     |
[INFO] [stdout] 138 |     pub fn run (&self, population: Population<Gene>, data: &Data, score_provider: &mut ScoreProvider<Gene, Data>) -> Population<Gene>
[INFO] [stdout]     |                                                                                        ^^^^^^^^^^^^^^^^^^^^^^^^^ help: use `dyn`: `dyn ScoreProvider<Gene, Data>`
[INFO] [stdout]     |
[INFO] [stdout]     = note: `#[warn(bare_trait_objects)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: trait objects without an explicit `dyn` are deprecated
[INFO] [stdout]    --> src/operations.rs:152:26
[INFO] [stdout]     |
[INFO] [stdout] 152 |     score_provider: &mut ScoreProvider<Gene, Data>
[INFO] [stdout]     |                          ^^^^^^^^^^^^^^^^^^^^^^^^^ help: use `dyn`: `dyn ScoreProvider<Gene, Data>`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: trait objects without an explicit `dyn` are deprecated
[INFO] [stdout]    --> src/operations.rs:174:26
[INFO] [stdout]     |
[INFO] [stdout] 174 |     score_provider: &mut ScoreProvider<Gene, Data>
[INFO] [stdout]     |                          ^^^^^^^^^^^^^^^^^^^^^^^^^ help: use `dyn`: `dyn ScoreProvider<Gene, Data>`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: trait objects without an explicit `dyn` are deprecated
[INFO] [stdout]    --> src/operations.rs:230:26
[INFO] [stdout]     |
[INFO] [stdout] 230 |     score_provider: &mut ScoreProvider<Gene, Data>,
[INFO] [stdout]     |                          ^^^^^^^^^^^^^^^^^^^^^^^^^ help: use `dyn`: `dyn ScoreProvider<Gene, Data>`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: variable does not need to be mutable
[INFO] [stdout]    --> src/operations.rs:219:13
[INFO] [stdout]     |
[INFO] [stdout] 219 |     for (_, mut agent) in agents {
[INFO] [stdout]     |             ----^^^^^
[INFO] [stdout]     |             |
[INFO] [stdout]     |             help: remove this `mut`
[INFO] [stdout]     |
[INFO] [stdout]     = note: `#[warn(unused_mut)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: 5 warnings emitted
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: variable does not need to be mutable
[INFO] [stdout]    --> src/operations.rs:219:13
[INFO] [stdout]     |
[INFO] [stdout] 219 |     for (_, mut agent) in agents {
[INFO] [stdout]     |             ----^^^^^
[INFO] [stdout]     |             |
[INFO] [stdout]     |             help: remove this `mut`
[INFO] [stdout]     |
[INFO] [stdout]     = note: `#[warn(unused_mut)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: 5 warnings emitted
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 3.21s
[INFO] running `Command { std: "docker" "inspect" "9f08b8a099f44ff714607f5410a5fff728c078d3784a6d0dd47670816513d639", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "9f08b8a099f44ff714607f5410a5fff728c078d3784a6d0dd47670816513d639", kill_on_drop: false }`
[INFO] [stdout] 9f08b8a099f44ff714607f5410a5fff728c078d3784a6d0dd47670816513d639