[INFO] fetching crate ga 0.1.4...
[INFO] checking ga-0.1.4 against try#55b3f428b4fac6790b1e8492e0b91ff2d80aec7c for pr-77035
[INFO] extracting crate ga 0.1.4 into /workspace/builds/worker-0/source
[INFO] validating manifest of crates.io crate ga 0.1.4 on toolchain 55b3f428b4fac6790b1e8492e0b91ff2d80aec7c
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+55b3f428b4fac6790b1e8492e0b91ff2d80aec7c" "read-manifest" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] started tweaking crates.io crate ga 0.1.4
[INFO] finished tweaking crates.io crate ga 0.1.4
[INFO] tweaked toml for crates.io crate ga 0.1.4 written to /workspace/builds/worker-0/source/Cargo.toml
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+55b3f428b4fac6790b1e8492e0b91ff2d80aec7c" "generate-lockfile" "--manifest-path" "Cargo.toml" "-Zno-index-update", kill_on_drop: false }`
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+55b3f428b4fac6790b1e8492e0b91ff2d80aec7c" "fetch" "--locked" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] [stderr]  Downloading crates ...
[INFO] [stderr]   Downloaded ndarray v0.10.14
[INFO] running `Command { std: "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" "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:c8ac004eab7d63a0ad09a2dde3d3353ba464f767bee4de425dc8f74c46a1905e" "/opt/rustwide/cargo-home/bin/cargo" "+55b3f428b4fac6790b1e8492e0b91ff2d80aec7c" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] 09feae1d24747f9608df367cb5228fc5e8807d26e678a437ba30b45b063fd499
[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" "09feae1d24747f9608df367cb5228fc5e8807d26e678a437ba30b45b063fd499", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "09feae1d24747f9608df367cb5228fc5e8807d26e678a437ba30b45b063fd499", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "09feae1d24747f9608df367cb5228fc5e8807d26e678a437ba30b45b063fd499", kill_on_drop: false }`
[INFO] [stdout] 09feae1d24747f9608df367cb5228fc5e8807d26e678a437ba30b45b063fd499
[INFO] running `Command { std: "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" "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:c8ac004eab7d63a0ad09a2dde3d3353ba464f767bee4de425dc8f74c46a1905e" "/opt/rustwide/cargo-home/bin/cargo" "+55b3f428b4fac6790b1e8492e0b91ff2d80aec7c" "check" "--frozen" "--all" "--all-targets" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] 96ff5716a874c35d81ec8221f3b761f22fe13bbb957c3d374c82cea1fbe6f1c5
[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" "96ff5716a874c35d81ec8221f3b761f22fe13bbb957c3d374c82cea1fbe6f1c5", kill_on_drop: false }`
[INFO] [stderr]    Compiling ndarray v0.10.14
[INFO] [stderr]     Checking either v1.6.1
[INFO] [stderr]     Checking ordermap v0.3.5
[INFO] [stderr]     Checking fixedbitset v0.1.9
[INFO] [stderr]    Compiling crossbeam-utils v0.8.1
[INFO] [stderr]    Compiling memoffset v0.6.1
[INFO] [stderr]    Compiling num-traits v0.2.14
[INFO] [stderr]     Checking num_cpus v1.13.0
[INFO] [stderr]     Checking rand v0.4.6
[INFO] [stderr]     Checking itertools v0.7.11
[INFO] [stderr]     Checking petgraph v0.4.13
[INFO] [stderr]     Checking crossbeam-epoch v0.9.1
[INFO] [stderr]     Checking crossbeam-channel v0.5.0
[INFO] [stderr]     Checking num-traits v0.1.43
[INFO] [stderr]     Checking num-complex v0.1.43
[INFO] [stderr]     Checking rand v0.3.23
[INFO] [stderr]     Checking crossbeam-deque v0.8.0
[INFO] [stderr]     Checking rayon-core v1.9.0
[INFO] [stderr]     Checking rayon v0.8.2
[INFO] [stderr]     Checking ga v0.1.4 (/opt/rustwide/workdir)
[INFO] [stdout] warning: trait objects without an explicit `dyn` are deprecated
[INFO] [stdout]   --> src/traits/genome.rs:12:26
[INFO] [stdout]    |
[INFO] [stdout] 12 |     fn genesis(rng: &mut Rng) -> Self;
[INFO] [stdout]    |                          ^^^ help: use `dyn`: `dyn Rng`
[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/traits/genome.rs:22:43
[INFO] [stdout]    |
[INFO] [stdout] 22 |     fn mutate(&self, rate: f32, rng: &mut Rng) -> Self;
[INFO] [stdout]    |                                           ^^^ help: use `dyn`: `dyn Rng`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: trait objects without an explicit `dyn` are deprecated
[INFO] [stdout]   --> src/traits/genome.rs:32:45
[INFO] [stdout]    |
[INFO] [stdout] 32 |     fn cross(&self, other: &Self, rng: &mut Rng) -> Self;
[INFO] [stdout]    |                                             ^^^ help: use `dyn`: `dyn Rng`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: trait objects without an explicit `dyn` are deprecated
[INFO] [stdout]  --> src/traits/chromosome.rs:7:26
[INFO] [stdout]   |
[INFO] [stdout] 7 |     fn genesis(rng: &mut Rng) -> Self;
[INFO] [stdout]   |                          ^^^ help: use `dyn`: `dyn Rng`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: trait objects without an explicit `dyn` are deprecated
[INFO] [stdout]   --> src/traits/chromosome.rs:10:32
[INFO] [stdout]    |
[INFO] [stdout] 10 |     fn mutate(&self, rng: &mut Rng) -> Self;
[INFO] [stdout]    |                                ^^^ help: use `dyn`: `dyn Rng`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: trait objects without an explicit `dyn` are deprecated
[INFO] [stdout]   --> src/traits/chromosome.rs:13:40
[INFO] [stdout]    |
[INFO] [stdout] 13 |     fn mutate_mut(&mut self, rng: &mut Rng);
[INFO] [stdout]    |                                        ^^^ help: use `dyn`: `dyn Rng`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: trait objects without an explicit `dyn` are deprecated
[INFO] [stdout]   --> src/traits/genome.rs:12:26
[INFO] [stdout]    |
[INFO] [stdout] 12 |     fn genesis(rng: &mut Rng) -> Self;
[INFO] [stdout]    |                          ^^^ help: use `dyn`: `dyn Rng`
[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/traits/genome.rs:22:43
[INFO] [stdout]    |
[INFO] [stdout] 22 |     fn mutate(&self, rate: f32, rng: &mut Rng) -> Self;
[INFO] [stdout]    |                                           ^^^ help: use `dyn`: `dyn Rng`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: trait objects without an explicit `dyn` are deprecated
[INFO] [stdout]   --> src/traits/genome.rs:32:45
[INFO] [stdout]    |
[INFO] [stdout] 32 |     fn cross(&self, other: &Self, rng: &mut Rng) -> Self;
[INFO] [stdout]    |                                             ^^^ help: use `dyn`: `dyn Rng`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: trait objects without an explicit `dyn` are deprecated
[INFO] [stdout]  --> src/traits/chromosome.rs:7:26
[INFO] [stdout]   |
[INFO] [stdout] 7 |     fn genesis(rng: &mut Rng) -> Self;
[INFO] [stdout]   |                          ^^^ help: use `dyn`: `dyn Rng`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: trait objects without an explicit `dyn` are deprecated
[INFO] [stdout]   --> src/traits/chromosome.rs:10:32
[INFO] [stdout]    |
[INFO] [stdout] 10 |     fn mutate(&self, rng: &mut Rng) -> Self;
[INFO] [stdout]    |                                ^^^ help: use `dyn`: `dyn Rng`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: trait objects without an explicit `dyn` are deprecated
[INFO] [stdout]   --> src/traits/chromosome.rs:13:40
[INFO] [stdout]    |
[INFO] [stdout] 13 |     fn mutate_mut(&mut self, rng: &mut Rng);
[INFO] [stdout]    |                                        ^^^ help: use `dyn`: `dyn Rng`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: 6 warnings emitted
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: 6 warnings emitted
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 16.17s
[INFO] running `Command { std: "docker" "inspect" "96ff5716a874c35d81ec8221f3b761f22fe13bbb957c3d374c82cea1fbe6f1c5", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "96ff5716a874c35d81ec8221f3b761f22fe13bbb957c3d374c82cea1fbe6f1c5", kill_on_drop: false }`
[INFO] [stdout] 96ff5716a874c35d81ec8221f3b761f22fe13bbb957c3d374c82cea1fbe6f1c5