[INFO] fetching crate challenge-prompt 0.2.0...
[INFO] extracting crate challenge-prompt 0.2.0 into work/ex/pr-61629/sources/master#c8865d8e195813ade6b84434ac9f8850e7112d1a/reg/challenge-prompt/0.2.0
[INFO] extracting crate challenge-prompt 0.2.0 into work/ex/pr-61629/sources/try#e212b7d492c96d3837691ba29d32d5f468933fb8/reg/challenge-prompt/0.2.0
[INFO] validating manifest of challenge-prompt-0.2.0 on toolchain master#c8865d8e195813ade6b84434ac9f8850e7112d1a
[INFO] running `"/mnt/big/crater/work/local/cargo-home/bin/cargo" "+c8865d8e195813ade6b84434ac9f8850e7112d1a-alt" "read-manifest" "--manifest-path" "Cargo.toml"`
[INFO] validating manifest of challenge-prompt-0.2.0 on toolchain try#e212b7d492c96d3837691ba29d32d5f468933fb8
[INFO] running `"/mnt/big/crater/work/local/cargo-home/bin/cargo" "+e212b7d492c96d3837691ba29d32d5f468933fb8-alt" "read-manifest" "--manifest-path" "Cargo.toml"`
[INFO] started frobbing challenge-prompt-0.2.0
[INFO] finished frobbing challenge-prompt-0.2.0
[INFO] frobbed toml for challenge-prompt-0.2.0 written to work/ex/pr-61629/sources/master#c8865d8e195813ade6b84434ac9f8850e7112d1a/reg/challenge-prompt/0.2.0/Cargo.toml
[INFO] started frobbing challenge-prompt-0.2.0
[INFO] finished frobbing challenge-prompt-0.2.0
[INFO] frobbed toml for challenge-prompt-0.2.0 written to work/ex/pr-61629/sources/try#e212b7d492c96d3837691ba29d32d5f468933fb8/reg/challenge-prompt/0.2.0/Cargo.toml
[INFO] running `"/mnt/big/crater/work/local/cargo-home/bin/cargo" "+c8865d8e195813ade6b84434ac9f8850e7112d1a-alt" "generate-lockfile" "--manifest-path" "Cargo.toml" "-Zno-index-update"`
[INFO] running `"/mnt/big/crater/work/local/cargo-home/bin/cargo" "+e212b7d492c96d3837691ba29d32d5f468933fb8-alt" "generate-lockfile" "--manifest-path" "Cargo.toml" "-Zno-index-update"`
[INFO] running `"/mnt/big/crater/work/local/cargo-home/bin/cargo" "+c8865d8e195813ade6b84434ac9f8850e7112d1a-alt" "fetch" "--locked" "--manifest-path" "Cargo.toml"`
[INFO] running `"/mnt/big/crater/work/local/cargo-home/bin/cargo" "+e212b7d492c96d3837691ba29d32d5f468933fb8-alt" "fetch" "--locked" "--manifest-path" "Cargo.toml"`
[INFO] testing challenge-prompt-0.2.0 against try#e212b7d492c96d3837691ba29d32d5f468933fb8 for pr-61629
[INFO] running `"docker" "create" "-v" "/mnt/big/crater/work/local/target-dirs/pr-61629/worker-1/try#e212b7d492c96d3837691ba29d32d5f468933fb8:/opt/crater/target:rw,Z" "-v" "/mnt/big/crater/work/ex/pr-61629/sources/try#e212b7d492c96d3837691ba29d32d5f468933fb8/reg/challenge-prompt/0.2.0:/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=forbid" "-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" "+e212b7d492c96d3837691ba29d32d5f468933fb8-alt" "build" "--frozen"`
[INFO] [stdout] 51f5d0c993fd993e3a2ad9e542896818727a45dbfedcb49d6575e17b061585a5
[INFO] running `"docker" "start" "-a" "51f5d0c993fd993e3a2ad9e542896818727a45dbfedcb49d6575e17b061585a5"`
[INFO] [stderr]    Compiling challenge-prompt v0.2.0 (/opt/crater/workdir)
[INFO] [stderr] warning: the item `rand` is imported redundantly
[INFO] [stderr]   --> src/lib.rs:55:13
[INFO] [stderr]    |
[INFO] [stderr] 40 | extern crate rand;
[INFO] [stderr]    | ------------------ the item `rand` is already imported here
[INFO] [stderr] ...
[INFO] [stderr] 55 |         use rand;
[INFO] [stderr]    |             ^^^^
[INFO] [stderr]    |
[INFO] [stderr]    = note: #[warn(unused_imports)] on by default
[INFO] [stderr] 
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 1.87s
[INFO] running `"docker" "inspect" "51f5d0c993fd993e3a2ad9e542896818727a45dbfedcb49d6575e17b061585a5"`
[INFO] running `"docker" "rm" "-f" "51f5d0c993fd993e3a2ad9e542896818727a45dbfedcb49d6575e17b061585a5"`
[INFO] [stdout] 51f5d0c993fd993e3a2ad9e542896818727a45dbfedcb49d6575e17b061585a5
[INFO] running `"docker" "create" "-v" "/mnt/big/crater/work/local/target-dirs/pr-61629/worker-1/try#e212b7d492c96d3837691ba29d32d5f468933fb8:/opt/crater/target:rw,Z" "-v" "/mnt/big/crater/work/ex/pr-61629/sources/try#e212b7d492c96d3837691ba29d32d5f468933fb8/reg/challenge-prompt/0.2.0:/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=forbid" "-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" "+e212b7d492c96d3837691ba29d32d5f468933fb8-alt" "test" "--frozen" "--no-run"`
[INFO] [stdout] 6031944279c8ae25cc9e69954157600c7f4f0ec92c5da9ecdca31108e7b9184c
[INFO] running `"docker" "start" "-a" "6031944279c8ae25cc9e69954157600c7f4f0ec92c5da9ecdca31108e7b9184c"`
[INFO] [stderr]    Compiling predicates-core v0.9.0
[INFO] [stderr]    Compiling escargot v0.3.1
[INFO] [stderr]    Compiling predicates v0.9.1
[INFO] [stderr]    Compiling predicates-tree v0.9.0
[INFO] [stderr]    Compiling assert_cmd v0.9.1
[INFO] [stderr]    Compiling challenge-prompt v0.2.0 (/opt/crater/workdir)
[INFO] [stderr] warning: the item `rand` is imported redundantly
[INFO] [stderr]   --> src/lib.rs:55:13
[INFO] [stderr]    |
[INFO] [stderr] 40 | extern crate rand;
[INFO] [stderr]    | ------------------ the item `rand` is already imported here
[INFO] [stderr] ...
[INFO] [stderr] 55 |         use rand;
[INFO] [stderr]    |             ^^^^
[INFO] [stderr]    |
[INFO] [stderr]    = note: #[warn(unused_imports)] on by default
[INFO] [stderr] 
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 6.52s
[INFO] running `"docker" "inspect" "6031944279c8ae25cc9e69954157600c7f4f0ec92c5da9ecdca31108e7b9184c"`
[INFO] running `"docker" "rm" "-f" "6031944279c8ae25cc9e69954157600c7f4f0ec92c5da9ecdca31108e7b9184c"`
[INFO] [stdout] 6031944279c8ae25cc9e69954157600c7f4f0ec92c5da9ecdca31108e7b9184c
[INFO] running `"docker" "create" "-v" "/mnt/big/crater/work/local/target-dirs/pr-61629/worker-1/try#e212b7d492c96d3837691ba29d32d5f468933fb8:/opt/crater/target:rw,Z" "-v" "/mnt/big/crater/work/ex/pr-61629/sources/try#e212b7d492c96d3837691ba29d32d5f468933fb8/reg/challenge-prompt/0.2.0:/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=forbid" "-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" "+e212b7d492c96d3837691ba29d32d5f468933fb8-alt" "test" "--frozen"`
[INFO] [stdout] edf029cad29cc74abb0b14a9e1a1a719d0a6c0858b620c53fce72b92e092230c
[INFO] running `"docker" "start" "-a" "edf029cad29cc74abb0b14a9e1a1a719d0a6c0858b620c53fce72b92e092230c"`
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 0.06s
[INFO] [stderr]      Running /opt/crater/target/debug/deps/challenge_prompt-07c16798b4293292
[INFO] [stdout] 
[INFO] [stdout] running 3 tests
[INFO] [stdout] test tests::phrase_challenge ... ok
[INFO] [stdout] test tests::arithmetic_challenge ... ok
[INFO] [stdout] test tests::yes_no_challenge ... ok
[INFO] [stderr]      Running /opt/crater/target/debug/deps/challenge_prompt-82888360699cbe71
[INFO] [stdout] 
[INFO] [stdout] test result: ok. 3 passed; 0 failed; 0 ignored; 0 measured; 0 filtered out
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr]    Doc-tests challenge-prompt
[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 2 tests
[INFO] [stdout] test src/lib.rs -  (line 19) ... ignored
[INFO] [stdout] test src/lib.rs -  (line 32) ... ok
[INFO] [stdout] 
[INFO] [stdout] test result: ok. 1 passed; 0 failed; 1 ignored; 0 measured; 0 filtered out
[INFO] [stdout] 
[INFO] running `"docker" "inspect" "edf029cad29cc74abb0b14a9e1a1a719d0a6c0858b620c53fce72b92e092230c"`
[INFO] running `"docker" "rm" "-f" "edf029cad29cc74abb0b14a9e1a1a719d0a6c0858b620c53fce72b92e092230c"`
[INFO] [stdout] edf029cad29cc74abb0b14a9e1a1a719d0a6c0858b620c53fce72b92e092230c