[INFO] crate promptly 0.1.5 is already in cache
[INFO] extracting crate promptly 0.1.5 into work/ex/beta-1.37-6/sources/1.36.0/reg/promptly/0.1.5
[INFO] extracting crate promptly 0.1.5 into work/ex/beta-1.37-6/sources/beta-2019-07-23/reg/promptly/0.1.5
[INFO] validating manifest of promptly-0.1.5 on toolchain 1.36.0
[INFO] running `"/mnt/big/crater/work/local/cargo-home/bin/cargo" "+1.36.0" "read-manifest" "--manifest-path" "Cargo.toml"`
[INFO] validating manifest of promptly-0.1.5 on toolchain beta-2019-07-23
[INFO] running `"/mnt/big/crater/work/local/cargo-home/bin/cargo" "+beta-2019-07-23" "read-manifest" "--manifest-path" "Cargo.toml"`
[INFO] started frobbing promptly-0.1.5
[INFO] finished frobbing promptly-0.1.5
[INFO] frobbed toml for promptly-0.1.5 written to work/ex/beta-1.37-6/sources/1.36.0/reg/promptly/0.1.5/Cargo.toml
[INFO] started frobbing promptly-0.1.5
[INFO] finished frobbing promptly-0.1.5
[INFO] frobbed toml for promptly-0.1.5 written to work/ex/beta-1.37-6/sources/beta-2019-07-23/reg/promptly/0.1.5/Cargo.toml
[INFO] running `"/mnt/big/crater/work/local/cargo-home/bin/cargo" "+1.36.0" "generate-lockfile" "--manifest-path" "Cargo.toml" "-Zno-index-update"`
[INFO] running `"/mnt/big/crater/work/local/cargo-home/bin/cargo" "+beta-2019-07-23" "generate-lockfile" "--manifest-path" "Cargo.toml" "-Zno-index-update"`
[INFO] running `"/mnt/big/crater/work/local/cargo-home/bin/cargo" "+1.36.0" "fetch" "--locked" "--manifest-path" "Cargo.toml"`
[INFO] [stderr]     Blocking waiting for file lock on package cache lock
[INFO] running `"/mnt/big/crater/work/local/cargo-home/bin/cargo" "+beta-2019-07-23" "fetch" "--locked" "--manifest-path" "Cargo.toml"`
[INFO] testing promptly-0.1.5 against beta-2019-07-23 for beta-1.37-6
[INFO] running `"docker" "create" "-v" "/mnt/big/crater/work/local/target-dirs/beta-1.37-6/worker-7/beta-2019-07-23:/opt/crater/target:rw,Z" "-v" "/mnt/big/crater/work/ex/beta-1.37-6/sources/beta-2019-07-23/reg/promptly/0.1.5:/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-2019-07-23" "build" "--frozen"`
[INFO] [stdout] 6a42ae91be741ac44c108fc8f5e489a431167abdd65e635bf07a0753b45b25e9
[INFO] running `"docker" "start" "-a" "6a42ae91be741ac44c108fc8f5e489a431167abdd65e635bf07a0753b45b25e9"`
[INFO] [stderr]    Compiling promptly v0.1.5 (/opt/crater/workdir)
[INFO] [stderr] warning: trait objects without an explicit `dyn` are deprecated
[INFO] [stderr]    --> src/lib.rs:307:22
[INFO] [stderr]     |
[INFO] [stderr] 307 |     err_handler: Box<Fn(ReadlineError)>, // TODO: closure should return Never type
[INFO] [stderr]     |                      ^^^^^^^^^^^^^^^^^ help: use `dyn`: `dyn Fn(ReadlineError)`
[INFO] [stderr]     |
[INFO] [stderr]     = note: #[warn(bare_trait_objects)] on by default
[INFO] [stderr] 
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 0.73s
[INFO] running `"docker" "inspect" "6a42ae91be741ac44c108fc8f5e489a431167abdd65e635bf07a0753b45b25e9"`
[INFO] running `"docker" "rm" "-f" "6a42ae91be741ac44c108fc8f5e489a431167abdd65e635bf07a0753b45b25e9"`
[INFO] [stdout] 6a42ae91be741ac44c108fc8f5e489a431167abdd65e635bf07a0753b45b25e9
[INFO] running `"docker" "create" "-v" "/mnt/big/crater/work/local/target-dirs/beta-1.37-6/worker-7/beta-2019-07-23:/opt/crater/target:rw,Z" "-v" "/mnt/big/crater/work/ex/beta-1.37-6/sources/beta-2019-07-23/reg/promptly/0.1.5:/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-2019-07-23" "test" "--frozen" "--no-run"`
[INFO] [stdout] e556ff3c5c29d97871f13cb9ba453110673732cd1997788c4e22e8ef7c873f9b
[INFO] running `"docker" "start" "-a" "e556ff3c5c29d97871f13cb9ba453110673732cd1997788c4e22e8ef7c873f9b"`
[INFO] [stderr]    Compiling promptly v0.1.5 (/opt/crater/workdir)
[INFO] [stderr] warning: trait objects without an explicit `dyn` are deprecated
[INFO] [stderr]    --> src/lib.rs:307:22
[INFO] [stderr]     |
[INFO] [stderr] 307 |     err_handler: Box<Fn(ReadlineError)>, // TODO: closure should return Never type
[INFO] [stderr]     |                      ^^^^^^^^^^^^^^^^^ help: use `dyn`: `dyn Fn(ReadlineError)`
[INFO] [stderr]     |
[INFO] [stderr]     = note: #[warn(bare_trait_objects)] on by default
[INFO] [stderr] 
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 0.52s
[INFO] running `"docker" "inspect" "e556ff3c5c29d97871f13cb9ba453110673732cd1997788c4e22e8ef7c873f9b"`
[INFO] running `"docker" "rm" "-f" "e556ff3c5c29d97871f13cb9ba453110673732cd1997788c4e22e8ef7c873f9b"`
[INFO] [stdout] e556ff3c5c29d97871f13cb9ba453110673732cd1997788c4e22e8ef7c873f9b
[INFO] running `"docker" "create" "-v" "/mnt/big/crater/work/local/target-dirs/beta-1.37-6/worker-7/beta-2019-07-23:/opt/crater/target:rw,Z" "-v" "/mnt/big/crater/work/ex/beta-1.37-6/sources/beta-2019-07-23/reg/promptly/0.1.5:/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-2019-07-23" "test" "--frozen"`
[INFO] [stdout] 1df35e4309e124ca904f39d4cfdc9ffa020032e663a180b7ed3df4677a5eb1c9
[INFO] running `"docker" "start" "-a" "1df35e4309e124ca904f39d4cfdc9ffa020032e663a180b7ed3df4677a5eb1c9"`
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 0.02s
[INFO] [stderr]      Running /opt/crater/target/debug/deps/promptly-f1df664387213c4d
[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 promptly
[INFO] [stdout] 
[INFO] [stdout] running 9 tests
[INFO] [stdout] test src/lib.rs - bool::prompt (line 177) ... ok
[INFO] [stdout] test src/lib.rs - prompt (line 49) ... ok
[INFO] [stdout] test src/lib.rs - String::prompt_opt (line 132) ... ok
[INFO] [stdout] test src/lib.rs - bool::prompt_default (line 201) ... ok
[INFO] [stdout] test src/lib.rs - bool::prompt_opt (line 189) ... ok
[INFO] [stdout] test src/lib.rs -  (line 7) ... ok
[INFO] [stdout] test src/lib.rs - String::prompt_default (line 142) ... ok
[INFO] [stdout] test src/lib.rs - String::prompt (line 122) ... ok
[INFO] [stdout] test src/lib.rs - prompt_default (line 80) ... ok
[INFO] [stdout] 
[INFO] [stdout] test result: ok. 9 passed; 0 failed; 0 ignored; 0 measured; 0 filtered out
[INFO] [stdout] 
[INFO] running `"docker" "inspect" "1df35e4309e124ca904f39d4cfdc9ffa020032e663a180b7ed3df4677a5eb1c9"`
[INFO] running `"docker" "rm" "-f" "1df35e4309e124ca904f39d4cfdc9ffa020032e663a180b7ed3df4677a5eb1c9"`
[INFO] [stdout] 1df35e4309e124ca904f39d4cfdc9ffa020032e663a180b7ed3df4677a5eb1c9