[INFO] cloning repository amatho/challenges-rs
[INFO] running `"git" "clone" "--bare" "git://github.com/amatho/challenges-rs.git" "work/cache/sources/gh/amatho/challenges-rs"`
[INFO] [stderr] Cloning into bare repository 'work/cache/sources/gh/amatho/challenges-rs'...
[INFO] running `"git" "clone" "work/cache/sources/gh/amatho/challenges-rs" "work/ex/pr-61629/sources/master#c8865d8e195813ade6b84434ac9f8850e7112d1a/gh/amatho/challenges-rs"`
[INFO] [stderr] Cloning into 'work/ex/pr-61629/sources/master#c8865d8e195813ade6b84434ac9f8850e7112d1a/gh/amatho/challenges-rs'...
[INFO] [stderr] done.
[INFO] running `"git" "clone" "work/cache/sources/gh/amatho/challenges-rs" "work/ex/pr-61629/sources/try#e212b7d492c96d3837691ba29d32d5f468933fb8/gh/amatho/challenges-rs"`
[INFO] [stderr] Cloning into 'work/ex/pr-61629/sources/try#e212b7d492c96d3837691ba29d32d5f468933fb8/gh/amatho/challenges-rs'...
[INFO] [stderr] done.
[INFO] running `"git" "rev-parse" "HEAD"`
[INFO] [stdout] 907ef7146c29f7c3703d9f6472eb849d4bfcc058
[INFO] sha for GitHub repo amatho/challenges-rs: 907ef7146c29f7c3703d9f6472eb849d4bfcc058
[INFO] validating manifest of amatho/challenges-rs 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 amatho/challenges-rs 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 amatho/challenges-rs
[INFO] finished frobbing amatho/challenges-rs
[INFO] frobbed toml for amatho/challenges-rs written to work/ex/pr-61629/sources/master#c8865d8e195813ade6b84434ac9f8850e7112d1a/gh/amatho/challenges-rs/Cargo.toml
[INFO] started frobbing amatho/challenges-rs
[INFO] finished frobbing amatho/challenges-rs
[INFO] frobbed toml for amatho/challenges-rs written to work/ex/pr-61629/sources/try#e212b7d492c96d3837691ba29d32d5f468933fb8/gh/amatho/challenges-rs/Cargo.toml
[INFO] crate amatho/challenges-rs already has a lockfile, it will not be regenerated
[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] [stderr]     Blocking waiting for file lock on package cache lock
[INFO] testing amatho/challenges-rs against try#e212b7d492c96d3837691ba29d32d5f468933fb8 for pr-61629
[INFO] running `"docker" "create" "-v" "/mnt/big/crater/work/local/target-dirs/pr-61629/worker-0/try#e212b7d492c96d3837691ba29d32d5f468933fb8:/opt/crater/target:rw,Z" "-v" "/mnt/big/crater/work/ex/pr-61629/sources/try#e212b7d492c96d3837691ba29d32d5f468933fb8/gh/amatho/challenges-rs:/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] 0ccfc59959e01dec3a8193207fbeabc74bd8eedf6989e1255618986b9ba02142
[INFO] running `"docker" "start" "-a" "0ccfc59959e01dec3a8193207fbeabc74bd8eedf6989e1255618986b9ba02142"`
[INFO] [stderr]    Compiling challenges v0.1.0 (/opt/crater/workdir)
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 1.55s
[INFO] running `"docker" "inspect" "0ccfc59959e01dec3a8193207fbeabc74bd8eedf6989e1255618986b9ba02142"`
[INFO] running `"docker" "rm" "-f" "0ccfc59959e01dec3a8193207fbeabc74bd8eedf6989e1255618986b9ba02142"`
[INFO] [stdout] 0ccfc59959e01dec3a8193207fbeabc74bd8eedf6989e1255618986b9ba02142
[INFO] running `"docker" "create" "-v" "/mnt/big/crater/work/local/target-dirs/pr-61629/worker-0/try#e212b7d492c96d3837691ba29d32d5f468933fb8:/opt/crater/target:rw,Z" "-v" "/mnt/big/crater/work/ex/pr-61629/sources/try#e212b7d492c96d3837691ba29d32d5f468933fb8/gh/amatho/challenges-rs:/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] becacef364d550344fb0e45a6f591b82e5eea72ed169978f1a1a31a6a1875222
[INFO] running `"docker" "start" "-a" "becacef364d550344fb0e45a6f591b82e5eea72ed169978f1a1a31a6a1875222"`
[INFO] [stderr]    Compiling challenges v0.1.0 (/opt/crater/workdir)
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 1.29s
[INFO] running `"docker" "inspect" "becacef364d550344fb0e45a6f591b82e5eea72ed169978f1a1a31a6a1875222"`
[INFO] running `"docker" "rm" "-f" "becacef364d550344fb0e45a6f591b82e5eea72ed169978f1a1a31a6a1875222"`
[INFO] [stdout] becacef364d550344fb0e45a6f591b82e5eea72ed169978f1a1a31a6a1875222
[INFO] running `"docker" "create" "-v" "/mnt/big/crater/work/local/target-dirs/pr-61629/worker-0/try#e212b7d492c96d3837691ba29d32d5f468933fb8:/opt/crater/target:rw,Z" "-v" "/mnt/big/crater/work/ex/pr-61629/sources/try#e212b7d492c96d3837691ba29d32d5f468933fb8/gh/amatho/challenges-rs:/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] fa4b28a7e9c331d96eb94f377e457809b98edcd32279cf785ccdd57e31fc3a00
[INFO] running `"docker" "start" "-a" "fa4b28a7e9c331d96eb94f377e457809b98edcd32279cf785ccdd57e31fc3a00"`
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 0.02s
[INFO] [stderr]      Running /opt/crater/target/debug/deps/challenges-4c4aa12bda950be0
[INFO] [stdout] 
[INFO] [stderr]      Running /opt/crater/target/debug/deps/challenges-319a7cc17d41600a
[INFO] [stdout] running 1 test
[INFO] [stdout] test tests::get_middle ... 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] [stderr]    Doc-tests challenges
[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" "fa4b28a7e9c331d96eb94f377e457809b98edcd32279cf785ccdd57e31fc3a00"`
[INFO] running `"docker" "rm" "-f" "fa4b28a7e9c331d96eb94f377e457809b98edcd32279cf785ccdd57e31fc3a00"`
[INFO] [stdout] fa4b28a7e9c331d96eb94f377e457809b98edcd32279cf785ccdd57e31fc3a00