[INFO] fetching crate ga 0.1.4...
[INFO] checking ga-0.1.4 against try#15a786332e2f0dd343b226ab6bb8ec028a350f73 for pr-81782
[INFO] extracting crate ga 0.1.4 into /workspace/builds/worker-12/source
[INFO] validating manifest of crates.io crate ga 0.1.4 on toolchain 15a786332e2f0dd343b226ab6bb8ec028a350f73
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+15a786332e2f0dd343b226ab6bb8ec028a350f73" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", 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-12/source/Cargo.toml
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+15a786332e2f0dd343b226ab6bb8ec028a350f73" "generate-lockfile" "--manifest-path" "Cargo.toml" "-Zno-index-update", kill_on_drop: false }`
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+15a786332e2f0dd343b226ab6bb8ec028a350f73" "fetch" "--locked" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] [stderr]     Blocking waiting for file lock on package cache
[INFO] [stderr]     Blocking waiting for file lock on package cache
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-12/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-12/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:f2f6bcd4b43ebee4e173f653a26493129bdb64017c85f916b780ca7fbdbaa79d" "/opt/rustwide/cargo-home/bin/cargo" "+15a786332e2f0dd343b226ab6bb8ec028a350f73" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stderr] WARNING: Your kernel does not support swap limit capabilities or the cgroup is not mounted. Memory limited without swap.
[INFO] [stdout] a0b3b1d6e964ee1e8e39667871a12afe60fb56e3eb2f864566a5bb565550fd86
[INFO] running `Command { std: "docker" "start" "-a" "a0b3b1d6e964ee1e8e39667871a12afe60fb56e3eb2f864566a5bb565550fd86", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "a0b3b1d6e964ee1e8e39667871a12afe60fb56e3eb2f864566a5bb565550fd86", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "a0b3b1d6e964ee1e8e39667871a12afe60fb56e3eb2f864566a5bb565550fd86", kill_on_drop: false }`
[INFO] [stdout] a0b3b1d6e964ee1e8e39667871a12afe60fb56e3eb2f864566a5bb565550fd86
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-12/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-12/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:f2f6bcd4b43ebee4e173f653a26493129bdb64017c85f916b780ca7fbdbaa79d" "/opt/rustwide/cargo-home/bin/cargo" "+15a786332e2f0dd343b226ab6bb8ec028a350f73" "check" "--frozen" "--all" "--all-targets" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] 1f95ce5d987c36e1e95824154d1319d14b2f11c539788182d13b237c91548056
[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" "1f95ce5d987c36e1e95824154d1319d14b2f11c539788182d13b237c91548056", kill_on_drop: false }`
[INFO] [stderr]     Checking lazy_static v1.4.0
[INFO] [stderr]     Checking scopeguard v1.1.0
[INFO] [stderr]    Compiling rayon-core v1.9.0
[INFO] [stderr]     Checking either v1.6.1
[INFO] [stderr]    Compiling crossbeam-utils v0.8.2
[INFO] [stderr]    Compiling memoffset v0.6.1
[INFO] [stderr]     Checking num_cpus v1.13.0
[INFO] [stderr]     Checking num-complex v0.1.43
[INFO] [stderr]     Checking rand v0.3.23
[INFO] [stderr]     Checking itertools v0.7.11
[INFO] [stderr]     Checking crossbeam-epoch v0.9.2
[INFO] [stderr]     Checking crossbeam-channel v0.5.0
[INFO] [stderr]     Checking ndarray v0.10.14
[INFO] [stderr]     Checking crossbeam-deque v0.8.0
[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 9.86s
[INFO] running `Command { std: "docker" "inspect" "1f95ce5d987c36e1e95824154d1319d14b2f11c539788182d13b237c91548056", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "1f95ce5d987c36e1e95824154d1319d14b2f11c539788182d13b237c91548056", kill_on_drop: false }`
[INFO] [stdout] 1f95ce5d987c36e1e95824154d1319d14b2f11c539788182d13b237c91548056