[INFO] crate lib_dice 0.1.0 is already in cache
[INFO] extracting crate lib_dice 0.1.0 into work/ex/beta-1.38-1/sources/1.37.0/reg/lib_dice/0.1.0
[INFO] extracting crate lib_dice 0.1.0 into work/ex/beta-1.38-1/sources/beta-2019-08-13/reg/lib_dice/0.1.0
[INFO] validating manifest of lib_dice-0.1.0 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 lib_dice-0.1.0 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 lib_dice-0.1.0
[INFO] finished frobbing lib_dice-0.1.0
[INFO] frobbed toml for lib_dice-0.1.0 written to work/ex/beta-1.38-1/sources/1.37.0/reg/lib_dice/0.1.0/Cargo.toml
[INFO] started frobbing lib_dice-0.1.0
[INFO] finished frobbing lib_dice-0.1.0
[INFO] frobbed toml for lib_dice-0.1.0 written to work/ex/beta-1.38-1/sources/beta-2019-08-13/reg/lib_dice/0.1.0/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 lib_dice-0.1.0 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-6/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/lib_dice/0.1.0:/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] d4e60c20811308f2949d48736814220606cd4b934c619171d421040e500fd3dd
[INFO] running `"docker" "start" "-a" "d4e60c20811308f2949d48736814220606cd4b934c619171d421040e500fd3dd"`
[INFO] [stderr]    Compiling lib_dice v0.1.0 (/opt/crater/workdir)
[INFO] [stderr] warning: trait objects without an explicit `dyn` are deprecated
[INFO] [stderr]   --> src/error.rs:30:29
[INFO] [stderr]    |
[INFO] [stderr] 30 |     fn cause(&self) -> Option<&error::Error> {
[INFO] [stderr]    |                                ^^^^^^^^^^^^ help: use `dyn`: `dyn error::Error`
[INFO] [stderr]    |
[INFO] [stderr]    = note: `#[warn(bare_trait_objects)]` on by default
[INFO] [stderr] 
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 0.59s
[INFO] running `"docker" "inspect" "d4e60c20811308f2949d48736814220606cd4b934c619171d421040e500fd3dd"`
[INFO] running `"docker" "rm" "-f" "d4e60c20811308f2949d48736814220606cd4b934c619171d421040e500fd3dd"`
[INFO] [stdout] d4e60c20811308f2949d48736814220606cd4b934c619171d421040e500fd3dd
[INFO] running `"docker" "create" "-v" "/mnt/big/crater/work/local/target-dirs/beta-1.38-1/worker-6/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/lib_dice/0.1.0:/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] e61fbd894e9c4c5c34a0eaad49107b2508f3bb90249bc075f36564c775c68877
[INFO] running `"docker" "start" "-a" "e61fbd894e9c4c5c34a0eaad49107b2508f3bb90249bc075f36564c775c68877"`
[INFO] [stderr]    Compiling lib_dice v0.1.0 (/opt/crater/workdir)
[INFO] [stderr] warning: trait objects without an explicit `dyn` are deprecated
[INFO] [stderr]   --> src/error.rs:30:29
[INFO] [stderr]    |
[INFO] [stderr] 30 |     fn cause(&self) -> Option<&error::Error> {
[INFO] [stderr]    |                                ^^^^^^^^^^^^ help: use `dyn`: `dyn error::Error`
[INFO] [stderr]    |
[INFO] [stderr]    = note: `#[warn(bare_trait_objects)]` on by default
[INFO] [stderr] 
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 0.77s
[INFO] running `"docker" "inspect" "e61fbd894e9c4c5c34a0eaad49107b2508f3bb90249bc075f36564c775c68877"`
[INFO] running `"docker" "rm" "-f" "e61fbd894e9c4c5c34a0eaad49107b2508f3bb90249bc075f36564c775c68877"`
[INFO] [stdout] e61fbd894e9c4c5c34a0eaad49107b2508f3bb90249bc075f36564c775c68877
[INFO] running `"docker" "create" "-v" "/mnt/big/crater/work/local/target-dirs/beta-1.38-1/worker-6/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/lib_dice/0.1.0:/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] 4bee94e0d00aef419d438e1c864d976f0579e3ac1b2dd3cbd4f958c077ad22f8
[INFO] running `"docker" "start" "-a" "4bee94e0d00aef419d438e1c864d976f0579e3ac1b2dd3cbd4f958c077ad22f8"`
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 0.02s
[INFO] [stderr]      Running /opt/crater/target/debug/deps/lib_dice-e0576a45f040e11a
[INFO] [stderr]    Doc-tests lib_dice
[INFO] [stdout] 
[INFO] [stdout] running 1 test
[INFO] [stdout] test test_roll ... ok
[INFO] [stdout] 
[INFO] [stdout] test result: ok. 1 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" "4bee94e0d00aef419d438e1c864d976f0579e3ac1b2dd3cbd4f958c077ad22f8"`
[INFO] running `"docker" "rm" "-f" "4bee94e0d00aef419d438e1c864d976f0579e3ac1b2dd3cbd4f958c077ad22f8"`
[INFO] [stdout] 4bee94e0d00aef419d438e1c864d976f0579e3ac1b2dd3cbd4f958c077ad22f8