[INFO] crate ConsoleEngine 0.0.7 is already in cache
[INFO] extracting crate ConsoleEngine 0.0.7 into work/ex/beta-1.38-1/sources/1.37.0/reg/ConsoleEngine/0.0.7
[INFO] extracting crate ConsoleEngine 0.0.7 into work/ex/beta-1.38-1/sources/beta-2019-08-13/reg/ConsoleEngine/0.0.7
[INFO] validating manifest of ConsoleEngine-0.0.7 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 ConsoleEngine-0.0.7 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 ConsoleEngine-0.0.7
[INFO] finished frobbing ConsoleEngine-0.0.7
[INFO] frobbed toml for ConsoleEngine-0.0.7 written to work/ex/beta-1.38-1/sources/1.37.0/reg/ConsoleEngine/0.0.7/Cargo.toml
[INFO] started frobbing ConsoleEngine-0.0.7
[INFO] finished frobbing ConsoleEngine-0.0.7
[INFO] frobbed toml for ConsoleEngine-0.0.7 written to work/ex/beta-1.38-1/sources/beta-2019-08-13/reg/ConsoleEngine/0.0.7/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] [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 ConsoleEngine-0.0.7 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/ConsoleEngine/0.0.7:/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] 2d833b23248ea5d65c3e2f43e4c010aabd165719cef5c9d847b620eae64d49ab
[INFO] running `"docker" "start" "-a" "2d833b23248ea5d65c3e2f43e4c010aabd165719cef5c9d847b620eae64d49ab"`
[INFO] [stderr]    Compiling ConsoleEngine v0.0.7 (/opt/crater/workdir)
[INFO] [stderr] warning: unused import: `console_engine::f_print::*`
[INFO] [stderr]  --> src/main.rs:3:5
[INFO] [stderr]   |
[INFO] [stderr] 3 | use console_engine::f_print::*;
[INFO] [stderr]   |     ^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stderr]   |
[INFO] [stderr]   = note: `#[warn(unused_imports)]` on by default
[INFO] [stderr] 
[INFO] [stderr] warning: crate `Sandbox` should have a snake case name
[INFO] [stderr]   |
[INFO] [stderr]   = note: `#[warn(non_snake_case)]` on by default
[INFO] [stderr]   = help: convert the identifier to snake case: `sandbox`
[INFO] [stderr] 
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 1.12s
[INFO] running `"docker" "inspect" "2d833b23248ea5d65c3e2f43e4c010aabd165719cef5c9d847b620eae64d49ab"`
[INFO] running `"docker" "rm" "-f" "2d833b23248ea5d65c3e2f43e4c010aabd165719cef5c9d847b620eae64d49ab"`
[INFO] [stdout] 2d833b23248ea5d65c3e2f43e4c010aabd165719cef5c9d847b620eae64d49ab
[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/ConsoleEngine/0.0.7:/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] 761f55781b6f07079088bea700befc88741ebd53d4f8a342c80dddd1c67645f2
[INFO] running `"docker" "start" "-a" "761f55781b6f07079088bea700befc88741ebd53d4f8a342c80dddd1c67645f2"`
[INFO] [stderr]    Compiling ConsoleEngine v0.0.7 (/opt/crater/workdir)
[INFO] [stderr] warning: unused import: `console_engine::f_print::*`
[INFO] [stderr]  --> src/main.rs:3:5
[INFO] [stderr]   |
[INFO] [stderr] 3 | use console_engine::f_print::*;
[INFO] [stderr]   |     ^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stderr]   |
[INFO] [stderr]   = note: `#[warn(unused_imports)]` on by default
[INFO] [stderr] 
[INFO] [stderr] warning: crate `Sandbox` should have a snake case name
[INFO] [stderr]   |
[INFO] [stderr]   = note: `#[warn(non_snake_case)]` on by default
[INFO] [stderr]   = help: convert the identifier to snake case: `sandbox`
[INFO] [stderr] 
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 0.79s
[INFO] running `"docker" "inspect" "761f55781b6f07079088bea700befc88741ebd53d4f8a342c80dddd1c67645f2"`
[INFO] running `"docker" "rm" "-f" "761f55781b6f07079088bea700befc88741ebd53d4f8a342c80dddd1c67645f2"`
[INFO] [stdout] 761f55781b6f07079088bea700befc88741ebd53d4f8a342c80dddd1c67645f2
[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/ConsoleEngine/0.0.7:/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] 036592e89d668e6138cde8c5c9e455651c5606951a338774d6fe115a10f79e8b
[INFO] running `"docker" "start" "-a" "036592e89d668e6138cde8c5c9e455651c5606951a338774d6fe115a10f79e8b"`
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 0.03s
[INFO] [stderr]      Running /opt/crater/target/debug/deps/console_engine-84ae8ad03b949721
[INFO] [stdout] 
[INFO] [stderr]      Running /opt/crater/target/debug/deps/Sandbox-0cf4d26bc24f7ec2
[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 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 console_engine
[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" "036592e89d668e6138cde8c5c9e455651c5606951a338774d6fe115a10f79e8b"`
[INFO] running `"docker" "rm" "-f" "036592e89d668e6138cde8c5c9e455651c5606951a338774d6fe115a10f79e8b"`
[INFO] [stdout] 036592e89d668e6138cde8c5c9e455651c5606951a338774d6fe115a10f79e8b