[INFO] updating cached repository Others/turbulence
[INFO] running `"git" "fetch" "--all"`
[INFO] [stdout] Fetching origin
[INFO] [stderr] From git://github.com/Others/turbulence
[INFO] [stderr]  * branch            HEAD       -> FETCH_HEAD
[INFO] running `"git" "clone" "work/cache/sources/gh/Others/turbulence" "work/ex/beta-1.38-1/sources/1.37.0/gh/Others/turbulence"`
[INFO] [stderr] Cloning into 'work/ex/beta-1.38-1/sources/1.37.0/gh/Others/turbulence'...
[INFO] [stderr] done.
[INFO] running `"git" "clone" "work/cache/sources/gh/Others/turbulence" "work/ex/beta-1.38-1/sources/beta-2019-08-13/gh/Others/turbulence"`
[INFO] [stderr] Cloning into 'work/ex/beta-1.38-1/sources/beta-2019-08-13/gh/Others/turbulence'...
[INFO] [stderr] done.
[INFO] running `"git" "rev-parse" "HEAD"`
[INFO] [stdout] b12b5a3b0945fbce9dadb959be8110eca80213e1
[INFO] sha for GitHub repo Others/turbulence: b12b5a3b0945fbce9dadb959be8110eca80213e1
[INFO] validating manifest of Others/turbulence 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 Others/turbulence 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 Others/turbulence
[INFO] finished frobbing Others/turbulence
[INFO] frobbed toml for Others/turbulence written to work/ex/beta-1.38-1/sources/1.37.0/gh/Others/turbulence/Cargo.toml
[INFO] started frobbing Others/turbulence
[INFO] finished frobbing Others/turbulence
[INFO] frobbed toml for Others/turbulence written to work/ex/beta-1.38-1/sources/beta-2019-08-13/gh/Others/turbulence/Cargo.toml
[INFO] crate Others/turbulence already has a lockfile, it will not be regenerated
[INFO] running `"/mnt/big/crater/work/local/cargo-home/bin/cargo" "+1.37.0" "fetch" "--locked" "--manifest-path" "Cargo.toml"`
[INFO] [stderr]     Blocking waiting for file lock on package cache
[INFO] [stderr]     Blocking waiting for file lock on package cache
[INFO] running `"/mnt/big/crater/work/local/cargo-home/bin/cargo" "+beta-2019-08-13" "fetch" "--locked" "--manifest-path" "Cargo.toml"`
[INFO] testing Others/turbulence against beta-2019-08-13 for beta-1.38-1
[INFO] running `"docker" "create" "-v" "/mnt/big/crater/work/local/target-dirs/beta-1.38-1/worker-1/beta-2019-08-13:/opt/crater/target:rw,Z" "-v" "/mnt/big/crater/work/ex/beta-1.38-1/sources/beta-2019-08-13/gh/Others/turbulence:/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" "+beta-2019-08-13" "build" "--frozen"`
[INFO] [stdout] 0c9f6bf3c7236c207d08a53e225d777654f242253441fc0ebe7c62e1d7d623f4
[INFO] running `"docker" "start" "-a" "0c9f6bf3c7236c207d08a53e225d777654f242253441fc0ebe7c62e1d7d623f4"`
[INFO] [stderr]    Compiling turbulence v0.1.0 (/opt/crater/workdir)
[INFO] [stderr] warning: trait objects without an explicit `dyn` are deprecated
[INFO] [stderr]   --> src/lib.rs:38:6
[INFO] [stderr]    |
[INFO] [stderr] 38 | impl Rng {
[INFO] [stderr]    |      ^^^ help: use `dyn`: `dyn Rng`
[INFO] [stderr]    |
[INFO] [stderr]    = note: `#[warn(bare_trait_objects)]` on by default
[INFO] [stderr] 
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 0.80s
[INFO] running `"docker" "inspect" "0c9f6bf3c7236c207d08a53e225d777654f242253441fc0ebe7c62e1d7d623f4"`
[INFO] running `"docker" "rm" "-f" "0c9f6bf3c7236c207d08a53e225d777654f242253441fc0ebe7c62e1d7d623f4"`
[INFO] [stdout] 0c9f6bf3c7236c207d08a53e225d777654f242253441fc0ebe7c62e1d7d623f4
[INFO] running `"docker" "create" "-v" "/mnt/big/crater/work/local/target-dirs/beta-1.38-1/worker-1/beta-2019-08-13:/opt/crater/target:rw,Z" "-v" "/mnt/big/crater/work/ex/beta-1.38-1/sources/beta-2019-08-13/gh/Others/turbulence:/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" "+beta-2019-08-13" "test" "--frozen" "--no-run"`
[INFO] [stdout] e761419b01b66baacd5f105f0b2731c93a7ac0aece54933e709fa10b6ddb750b
[INFO] running `"docker" "start" "-a" "e761419b01b66baacd5f105f0b2731c93a7ac0aece54933e709fa10b6ddb750b"`
[INFO] [stderr]    Compiling turbulence v0.1.0 (/opt/crater/workdir)
[INFO] [stderr] warning: trait objects without an explicit `dyn` are deprecated
[INFO] [stderr]   --> src/lib.rs:38:6
[INFO] [stderr]    |
[INFO] [stderr] 38 | impl Rng {
[INFO] [stderr]    |      ^^^ help: use `dyn`: `dyn Rng`
[INFO] [stderr]    |
[INFO] [stderr]    = note: `#[warn(bare_trait_objects)]` on by default
[INFO] [stderr] 
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 1.48s
[INFO] running `"docker" "inspect" "e761419b01b66baacd5f105f0b2731c93a7ac0aece54933e709fa10b6ddb750b"`
[INFO] running `"docker" "rm" "-f" "e761419b01b66baacd5f105f0b2731c93a7ac0aece54933e709fa10b6ddb750b"`
[INFO] [stdout] e761419b01b66baacd5f105f0b2731c93a7ac0aece54933e709fa10b6ddb750b
[INFO] running `"docker" "create" "-v" "/mnt/big/crater/work/local/target-dirs/beta-1.38-1/worker-1/beta-2019-08-13:/opt/crater/target:rw,Z" "-v" "/mnt/big/crater/work/ex/beta-1.38-1/sources/beta-2019-08-13/gh/Others/turbulence:/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" "+beta-2019-08-13" "test" "--frozen"`
[INFO] [stdout] d8a56f5613e5110487e2cc415db182d42c60efdd4039e3e43455df82384d7fad
[INFO] running `"docker" "start" "-a" "d8a56f5613e5110487e2cc415db182d42c60efdd4039e3e43455df82384d7fad"`
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 0.02s
[INFO] [stderr]      Running /opt/crater/target/debug/deps/turbulence-7aa378713482294b
[INFO] [stderr]      Running /opt/crater/target/debug/deps/usability-b9513bb6e5872780
[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] [stdout] 
[INFO] [stdout] running 4 tests
[INFO] [stdout] test fast_rng_available ... ok
[INFO] [stdout] test interior_rng_available ... ok
[INFO] [stdout] test std_rng_available ... ok
[INFO] [stdout] test thread_local_rng_available ... ok
[INFO] [stdout] 
[INFO] [stdout] test result: ok. 4 passed; 0 failed; 0 ignored; 0 measured; 0 filtered out
[INFO] [stdout] 
[INFO] running `"docker" "inspect" "d8a56f5613e5110487e2cc415db182d42c60efdd4039e3e43455df82384d7fad"`
[INFO] running `"docker" "rm" "-f" "d8a56f5613e5110487e2cc415db182d42c60efdd4039e3e43455df82384d7fad"`
[INFO] [stdout] d8a56f5613e5110487e2cc415db182d42c60efdd4039e3e43455df82384d7fad