[INFO] crate brutils 0.1.51 is already in cache
[INFO] extracting crate brutils 0.1.51 into work/ex/beta-1.38-1/sources/1.37.0/reg/brutils/0.1.51
[INFO] extracting crate brutils 0.1.51 into work/ex/beta-1.38-1/sources/beta-2019-08-13/reg/brutils/0.1.51
[INFO] validating manifest of brutils-0.1.51 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 brutils-0.1.51 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 brutils-0.1.51
[INFO] finished frobbing brutils-0.1.51
[INFO] frobbed toml for brutils-0.1.51 written to work/ex/beta-1.38-1/sources/1.37.0/reg/brutils/0.1.51/Cargo.toml
[INFO] started frobbing brutils-0.1.51
[INFO] finished frobbing brutils-0.1.51
[INFO] frobbed toml for brutils-0.1.51 written to work/ex/beta-1.38-1/sources/beta-2019-08-13/reg/brutils/0.1.51/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 brutils-0.1.51 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-6/1.37.0:/opt/crater/target:rw,Z" "-v" "/mnt/big/crater/work/ex/beta-1.38-1/sources/1.37.0/reg/brutils/0.1.51:/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] 0267e30f5eeba8a816fa2a5c52d3658e184c88f59c62806cd92edb2996dc8126
[INFO] running `"docker" "start" "-a" "0267e30f5eeba8a816fa2a5c52d3658e184c88f59c62806cd92edb2996dc8126"`
[INFO] [stderr]    Compiling brutils v0.1.51 (/opt/crater/workdir)
[INFO] [stderr] warning: trait objects without an explicit `dyn` are deprecated
[INFO] [stderr]   --> src/thread_pool.rs:70:16
[INFO] [stderr]    |
[INFO] [stderr] 70 | type Job = Box<FnBox + Send + 'static>;
[INFO] [stderr]    |                ^^^^^^^^^^^^^^^^^^^^^^ help: use `dyn`: `dyn FnBox + Send + 'static`
[INFO] [stderr]    |
[INFO] [stderr]    = note: #[warn(bare_trait_objects)] on by default
[INFO] [stderr] 
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 1.13s
[INFO] running `"docker" "inspect" "0267e30f5eeba8a816fa2a5c52d3658e184c88f59c62806cd92edb2996dc8126"`
[INFO] running `"docker" "rm" "-f" "0267e30f5eeba8a816fa2a5c52d3658e184c88f59c62806cd92edb2996dc8126"`
[INFO] [stdout] 0267e30f5eeba8a816fa2a5c52d3658e184c88f59c62806cd92edb2996dc8126
[INFO] running `"docker" "create" "-v" "/mnt/big/crater/work/local/target-dirs/beta-1.38-1/worker-6/1.37.0:/opt/crater/target:rw,Z" "-v" "/mnt/big/crater/work/ex/beta-1.38-1/sources/1.37.0/reg/brutils/0.1.51:/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] 2c7aca95d2e8d5604faeae3fbcf9986e181ab200f3665f3318393b3510ff22eb
[INFO] running `"docker" "start" "-a" "2c7aca95d2e8d5604faeae3fbcf9986e181ab200f3665f3318393b3510ff22eb"`
[INFO] [stderr]    Compiling brutils v0.1.51 (/opt/crater/workdir)
[INFO] [stderr] warning: trait objects without an explicit `dyn` are deprecated
[INFO] [stderr]   --> src/thread_pool.rs:70:16
[INFO] [stderr]    |
[INFO] [stderr] 70 | type Job = Box<FnBox + Send + 'static>;
[INFO] [stderr]    |                ^^^^^^^^^^^^^^^^^^^^^^ help: use `dyn`: `dyn FnBox + Send + 'static`
[INFO] [stderr]    |
[INFO] [stderr]    = note: #[warn(bare_trait_objects)] on by default
[INFO] [stderr] 
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 0.99s
[INFO] running `"docker" "inspect" "2c7aca95d2e8d5604faeae3fbcf9986e181ab200f3665f3318393b3510ff22eb"`
[INFO] running `"docker" "rm" "-f" "2c7aca95d2e8d5604faeae3fbcf9986e181ab200f3665f3318393b3510ff22eb"`
[INFO] [stdout] 2c7aca95d2e8d5604faeae3fbcf9986e181ab200f3665f3318393b3510ff22eb
[INFO] running `"docker" "create" "-v" "/mnt/big/crater/work/local/target-dirs/beta-1.38-1/worker-6/1.37.0:/opt/crater/target:rw,Z" "-v" "/mnt/big/crater/work/ex/beta-1.38-1/sources/1.37.0/reg/brutils/0.1.51:/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] a580196d44d5e1cf741f238ef4fd012f1f609fa69c931118298ba81a9f4e295e
[INFO] running `"docker" "start" "-a" "a580196d44d5e1cf741f238ef4fd012f1f609fa69c931118298ba81a9f4e295e"`
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 0.02s
[INFO] [stderr]      Running /opt/crater/target/debug/deps/brutils-2d3ce38acea88a56
[INFO] [stderr]      Running /opt/crater/target/debug/deps/clamp-3351c02b34292d40
[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] [stderr]      Running /opt/crater/target/debug/deps/random-2e3f40f5f7cc1f6f
[INFO] [stdout] running 2 tests
[INFO] [stdout] test test_clamp_f64 ... ok
[INFO] [stdout] test test_clamp_i32 ... ok
[INFO] [stdout] 
[INFO] [stdout] test result: ok. 2 passed; 0 failed; 0 ignored; 0 measured; 0 filtered out
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr]    Doc-tests brutils
[INFO] [stdout] running 3 tests
[INFO] [stdout] test test_random_double_range ... ok
[INFO] [stdout] test test_random_float_range ... ok
[INFO] [stdout] test test_random_int_range ... ok
[INFO] [stdout] 
[INFO] [stdout] test result: ok. 3 passed; 0 failed; 0 ignored; 0 measured; 0 filtered out
[INFO] [stdout] 
[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" "a580196d44d5e1cf741f238ef4fd012f1f609fa69c931118298ba81a9f4e295e"`
[INFO] running `"docker" "rm" "-f" "a580196d44d5e1cf741f238ef4fd012f1f609fa69c931118298ba81a9f4e295e"`
[INFO] [stdout] a580196d44d5e1cf741f238ef4fd012f1f609fa69c931118298ba81a9f4e295e