[INFO] crate fractal 0.6.3 is already in cache
[INFO] extracting crate fractal 0.6.3 into work/ex/beta-1.38-1/sources/1.37.0/reg/fractal/0.6.3
[INFO] extracting crate fractal 0.6.3 into work/ex/beta-1.38-1/sources/beta-2019-08-13/reg/fractal/0.6.3
[INFO] validating manifest of fractal-0.6.3 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 fractal-0.6.3 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 fractal-0.6.3
[INFO] finished frobbing fractal-0.6.3
[INFO] frobbed toml for fractal-0.6.3 written to work/ex/beta-1.38-1/sources/1.37.0/reg/fractal/0.6.3/Cargo.toml
[INFO] started frobbing fractal-0.6.3
[INFO] finished frobbing fractal-0.6.3
[INFO] frobbed toml for fractal-0.6.3 written to work/ex/beta-1.38-1/sources/beta-2019-08-13/reg/fractal/0.6.3/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 fractal-0.6.3 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-4/beta-2019-08-13:/opt/crater/target:rw,Z" "-v" "/mnt/big/crater/work/ex/beta-1.38-1/sources/beta-2019-08-13/reg/fractal/0.6.3:/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] bc39b47bfbd4fe86af0f14ab67f8522ed2d0272408da632bd2bfb8ecbfb454e2
[INFO] running `"docker" "start" "-a" "bc39b47bfbd4fe86af0f14ab67f8522ed2d0272408da632bd2bfb8ecbfb454e2"`
[INFO] [stderr]    Compiling autocfg v0.1.6
[INFO] [stderr]    Compiling libc v0.2.62
[INFO] [stderr]    Compiling random v0.12.2
[INFO] [stderr]    Compiling statistics v0.4.1
[INFO] [stderr]    Compiling num-traits v0.2.8
[INFO] [stderr]    Compiling special v0.8.1
[INFO] [stderr]    Compiling probability v0.15.12
[INFO] [stderr]    Compiling num-traits v0.1.43
[INFO] [stderr]    Compiling dwt v0.5.2
[INFO] [stderr]    Compiling fractal v0.6.3 (/opt/crater/workdir)
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 4.72s
[INFO] running `"docker" "inspect" "bc39b47bfbd4fe86af0f14ab67f8522ed2d0272408da632bd2bfb8ecbfb454e2"`
[INFO] running `"docker" "rm" "-f" "bc39b47bfbd4fe86af0f14ab67f8522ed2d0272408da632bd2bfb8ecbfb454e2"`
[INFO] [stdout] bc39b47bfbd4fe86af0f14ab67f8522ed2d0272408da632bd2bfb8ecbfb454e2
[INFO] running `"docker" "create" "-v" "/mnt/big/crater/work/local/target-dirs/beta-1.38-1/worker-4/beta-2019-08-13:/opt/crater/target:rw,Z" "-v" "/mnt/big/crater/work/ex/beta-1.38-1/sources/beta-2019-08-13/reg/fractal/0.6.3:/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] 3d5125c2ea96b3acb25a429e6d08f63afe952f4326ea8e5ba388759fe2257a8e
[INFO] running `"docker" "start" "-a" "3d5125c2ea96b3acb25a429e6d08f63afe952f4326ea8e5ba388759fe2257a8e"`
[INFO] [stderr]    Compiling assert v0.7.4
[INFO] [stderr]    Compiling fractal v0.6.3 (/opt/crater/workdir)
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 0.49s
[INFO] running `"docker" "inspect" "3d5125c2ea96b3acb25a429e6d08f63afe952f4326ea8e5ba388759fe2257a8e"`
[INFO] running `"docker" "rm" "-f" "3d5125c2ea96b3acb25a429e6d08f63afe952f4326ea8e5ba388759fe2257a8e"`
[INFO] [stdout] 3d5125c2ea96b3acb25a429e6d08f63afe952f4326ea8e5ba388759fe2257a8e
[INFO] running `"docker" "create" "-v" "/mnt/big/crater/work/local/target-dirs/beta-1.38-1/worker-4/beta-2019-08-13:/opt/crater/target:rw,Z" "-v" "/mnt/big/crater/work/ex/beta-1.38-1/sources/beta-2019-08-13/reg/fractal/0.6.3:/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] 8ed88a495b27050b8a9f4652466b69665e88e3758decaff2dad5ee07647f6e01
[INFO] running `"docker" "start" "-a" "8ed88a495b27050b8a9f4652466b69665e88e3758decaff2dad5ee07647f6e01"`
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 0.01s
[INFO] [stderr]      Running /opt/crater/target/debug/deps/fractal-27db82a3f00924be
[INFO] [stdout] 
[INFO] [stdout] running 2 tests
[INFO] [stdout] test tests::new ... ok
[INFO] [stdout] test tests::sample ... ok
[INFO] [stdout] 
[INFO] [stdout] test result: ok. 2 passed; 0 failed; 0 ignored; 0 measured; 0 filtered out
[INFO] [stdout] 
[INFO] [stderr]    Doc-tests fractal
[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" "8ed88a495b27050b8a9f4652466b69665e88e3758decaff2dad5ee07647f6e01"`
[INFO] running `"docker" "rm" "-f" "8ed88a495b27050b8a9f4652466b69665e88e3758decaff2dad5ee07647f6e01"`
[INFO] [stdout] 8ed88a495b27050b8a9f4652466b69665e88e3758decaff2dad5ee07647f6e01