[INFO] crate ga 0.1.4 is already in cache
[INFO] extracting crate ga 0.1.4 into work/ex/beta-1.38-1/sources/1.37.0/reg/ga/0.1.4
[INFO] extracting crate ga 0.1.4 into work/ex/beta-1.38-1/sources/beta-2019-08-13/reg/ga/0.1.4
[INFO] validating manifest of ga-0.1.4 on toolchain 1.37.0
[INFO] running `"/mnt/big/crater/work/local/cargo-home/bin/cargo" "+1.37.0" "read-manifest" "--manifest-path" "Cargo.toml"`
[INFO] validating manifest of ga-0.1.4 on toolchain beta-2019-08-13
[INFO] running `"/mnt/big/crater/work/local/cargo-home/bin/cargo" "+beta-2019-08-13" "read-manifest" "--manifest-path" "Cargo.toml"`
[INFO] started frobbing ga-0.1.4
[INFO] finished frobbing ga-0.1.4
[INFO] frobbed toml for ga-0.1.4 written to work/ex/beta-1.38-1/sources/1.37.0/reg/ga/0.1.4/Cargo.toml
[INFO] started frobbing ga-0.1.4
[INFO] finished frobbing ga-0.1.4
[INFO] frobbed toml for ga-0.1.4 written to work/ex/beta-1.38-1/sources/beta-2019-08-13/reg/ga/0.1.4/Cargo.toml
[INFO] running `"/mnt/big/crater/work/local/cargo-home/bin/cargo" "+1.37.0" "generate-lockfile" "--manifest-path" "Cargo.toml" "-Zno-index-update"`
[INFO] running `"/mnt/big/crater/work/local/cargo-home/bin/cargo" "+beta-2019-08-13" "generate-lockfile" "--manifest-path" "Cargo.toml" "-Zno-index-update"`
[INFO] running `"/mnt/big/crater/work/local/cargo-home/bin/cargo" "+1.37.0" "fetch" "--locked" "--manifest-path" "Cargo.toml"`
[INFO] running `"/mnt/big/crater/work/local/cargo-home/bin/cargo" "+beta-2019-08-13" "fetch" "--locked" "--manifest-path" "Cargo.toml"`
[INFO] testing ga-0.1.4 against 1.37.0 for beta-1.38-1
[INFO] running `"docker" "create" "-v" "/mnt/big/crater/work/local/target-dirs/beta-1.38-1/worker-3/1.37.0:/opt/crater/target:rw,Z" "-v" "/mnt/big/crater/work/ex/beta-1.38-1/sources/1.37.0/reg/ga/0.1.4:/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=warn" "-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" "+1.37.0" "build" "--frozen"`
[INFO] [stdout] 629131f7db06b47da8e9da7a105ec366c0bef427c214a35ec435e24f9317869f
[INFO] running `"docker" "start" "-a" "629131f7db06b47da8e9da7a105ec366c0bef427c214a35ec435e24f9317869f"`
[INFO] [stderr]    Compiling ndarray v0.10.14
[INFO] [stderr]    Compiling ga v0.1.4 (/opt/crater/workdir)
[INFO] [stderr] warning: trait objects without an explicit `dyn` are deprecated
[INFO] [stderr]   --> src/traits/genome.rs:12:26
[INFO] [stderr]    |
[INFO] [stderr] 12 |     fn genesis(rng: &mut Rng) -> Self;
[INFO] [stderr]    |                          ^^^ help: use `dyn`: `dyn Rng`
[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/traits/genome.rs:22:43
[INFO] [stderr]    |
[INFO] [stderr] 22 |     fn mutate(&self, rate: f32, rng: &mut Rng) -> Self;
[INFO] [stderr]    |                                           ^^^ help: use `dyn`: `dyn Rng`
[INFO] [stderr] 
[INFO] [stderr] warning: trait objects without an explicit `dyn` are deprecated
[INFO] [stderr]   --> src/traits/genome.rs:32:45
[INFO] [stderr]    |
[INFO] [stderr] 32 |     fn cross(&self, other: &Self, rng: &mut Rng) -> Self;
[INFO] [stderr]    |                                             ^^^ help: use `dyn`: `dyn Rng`
[INFO] [stderr] 
[INFO] [stderr] warning: trait objects without an explicit `dyn` are deprecated
[INFO] [stderr]  --> src/traits/chromosome.rs:7:26
[INFO] [stderr]   |
[INFO] [stderr] 7 |     fn genesis(rng: &mut Rng) -> Self;
[INFO] [stderr]   |                          ^^^ help: use `dyn`: `dyn Rng`
[INFO] [stderr] 
[INFO] [stderr] warning: trait objects without an explicit `dyn` are deprecated
[INFO] [stderr]   --> src/traits/chromosome.rs:10:32
[INFO] [stderr]    |
[INFO] [stderr] 10 |     fn mutate(&self, rng: &mut Rng) -> Self;
[INFO] [stderr]    |                                ^^^ help: use `dyn`: `dyn Rng`
[INFO] [stderr] 
[INFO] [stderr] warning: trait objects without an explicit `dyn` are deprecated
[INFO] [stderr]   --> src/traits/chromosome.rs:13:40
[INFO] [stderr]    |
[INFO] [stderr] 13 |     fn mutate_mut(&mut self, rng: &mut Rng);
[INFO] [stderr]    |                                        ^^^ help: use `dyn`: `dyn Rng`
[INFO] [stderr] 
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 9.09s
[INFO] running `"docker" "inspect" "629131f7db06b47da8e9da7a105ec366c0bef427c214a35ec435e24f9317869f"`
[INFO] running `"docker" "rm" "-f" "629131f7db06b47da8e9da7a105ec366c0bef427c214a35ec435e24f9317869f"`
[INFO] [stdout] 629131f7db06b47da8e9da7a105ec366c0bef427c214a35ec435e24f9317869f
[INFO] running `"docker" "create" "-v" "/mnt/big/crater/work/local/target-dirs/beta-1.38-1/worker-3/1.37.0:/opt/crater/target:rw,Z" "-v" "/mnt/big/crater/work/ex/beta-1.38-1/sources/1.37.0/reg/ga/0.1.4:/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=warn" "-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" "+1.37.0" "test" "--frozen" "--no-run"`
[INFO] [stdout] 5707675a02238f4eb27049b44f61136acde1dde721c5fdc71012b5385f9c23d4
[INFO] running `"docker" "start" "-a" "5707675a02238f4eb27049b44f61136acde1dde721c5fdc71012b5385f9c23d4"`
[INFO] [stderr]    Compiling ga v0.1.4 (/opt/crater/workdir)
[INFO] [stderr] warning: trait objects without an explicit `dyn` are deprecated
[INFO] [stderr]   --> src/traits/genome.rs:12:26
[INFO] [stderr]    |
[INFO] [stderr] 12 |     fn genesis(rng: &mut Rng) -> Self;
[INFO] [stderr]    |                          ^^^ help: use `dyn`: `dyn Rng`
[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/traits/genome.rs:22:43
[INFO] [stderr]    |
[INFO] [stderr] 22 |     fn mutate(&self, rate: f32, rng: &mut Rng) -> Self;
[INFO] [stderr]    |                                           ^^^ help: use `dyn`: `dyn Rng`
[INFO] [stderr] 
[INFO] [stderr] warning: trait objects without an explicit `dyn` are deprecated
[INFO] [stderr]   --> src/traits/genome.rs:32:45
[INFO] [stderr]    |
[INFO] [stderr] 32 |     fn cross(&self, other: &Self, rng: &mut Rng) -> Self;
[INFO] [stderr]    |                                             ^^^ help: use `dyn`: `dyn Rng`
[INFO] [stderr] 
[INFO] [stderr] warning: trait objects without an explicit `dyn` are deprecated
[INFO] [stderr]  --> src/traits/chromosome.rs:7:26
[INFO] [stderr]   |
[INFO] [stderr] 7 |     fn genesis(rng: &mut Rng) -> Self;
[INFO] [stderr]   |                          ^^^ help: use `dyn`: `dyn Rng`
[INFO] [stderr] 
[INFO] [stderr] warning: trait objects without an explicit `dyn` are deprecated
[INFO] [stderr]   --> src/traits/chromosome.rs:10:32
[INFO] [stderr]    |
[INFO] [stderr] 10 |     fn mutate(&self, rng: &mut Rng) -> Self;
[INFO] [stderr]    |                                ^^^ help: use `dyn`: `dyn Rng`
[INFO] [stderr] 
[INFO] [stderr] warning: trait objects without an explicit `dyn` are deprecated
[INFO] [stderr]   --> src/traits/chromosome.rs:13:40
[INFO] [stderr]    |
[INFO] [stderr] 13 |     fn mutate_mut(&mut self, rng: &mut Rng);
[INFO] [stderr]    |                                        ^^^ help: use `dyn`: `dyn Rng`
[INFO] [stderr] 
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 0.82s
[INFO] running `"docker" "inspect" "5707675a02238f4eb27049b44f61136acde1dde721c5fdc71012b5385f9c23d4"`
[INFO] running `"docker" "rm" "-f" "5707675a02238f4eb27049b44f61136acde1dde721c5fdc71012b5385f9c23d4"`
[INFO] [stdout] 5707675a02238f4eb27049b44f61136acde1dde721c5fdc71012b5385f9c23d4
[INFO] running `"docker" "create" "-v" "/mnt/big/crater/work/local/target-dirs/beta-1.38-1/worker-3/1.37.0:/opt/crater/target:rw,Z" "-v" "/mnt/big/crater/work/ex/beta-1.38-1/sources/1.37.0/reg/ga/0.1.4:/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=warn" "-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" "+1.37.0" "test" "--frozen"`
[INFO] [stdout] 1b7301636a577c06a2e0a65d6bc682e9d436b96244387188951b55c1353ee2da
[INFO] running `"docker" "start" "-a" "1b7301636a577c06a2e0a65d6bc682e9d436b96244387188951b55c1353ee2da"`
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 0.07s
[INFO] [stderr]      Running /opt/crater/target/debug/deps/ga-772ff66f806991c0
[INFO] [stdout] 
[INFO] [stdout] running 0 tests
[INFO] [stdout] 
[INFO] [stdout] test result: ok. 0 passed; 0 failed; 0 ignored; 0 measured; 0 filtered out
[INFO] [stdout] 
[INFO] [stderr]    Doc-tests ga
[INFO] [stdout] 
[INFO] [stdout] running 0 tests
[INFO] [stdout] 
[INFO] [stdout] test result: ok. 0 passed; 0 failed; 0 ignored; 0 measured; 0 filtered out
[INFO] [stdout] 
[INFO] running `"docker" "inspect" "1b7301636a577c06a2e0a65d6bc682e9d436b96244387188951b55c1353ee2da"`
[INFO] running `"docker" "rm" "-f" "1b7301636a577c06a2e0a65d6bc682e9d436b96244387188951b55c1353ee2da"`
[INFO] [stdout] 1b7301636a577c06a2e0a65d6bc682e9d436b96244387188951b55c1353ee2da