[INFO] updating cached repository samphippen/rexchange
[INFO] running `"git" "fetch" "--all"`
[INFO] [stdout] Fetching origin
[INFO] [stderr] From git://github.com/samphippen/rexchange
[INFO] [stderr]  * branch            HEAD       -> FETCH_HEAD
[INFO] running `"git" "clone" "work/cache/sources/gh/samphippen/rexchange" "work/ex/beta-1.37-6/sources/1.36.0/gh/samphippen/rexchange"`
[INFO] [stderr] Cloning into 'work/ex/beta-1.37-6/sources/1.36.0/gh/samphippen/rexchange'...
[INFO] [stderr] done.
[INFO] running `"git" "clone" "work/cache/sources/gh/samphippen/rexchange" "work/ex/beta-1.37-6/sources/beta-2019-07-23/gh/samphippen/rexchange"`
[INFO] [stderr] Cloning into 'work/ex/beta-1.37-6/sources/beta-2019-07-23/gh/samphippen/rexchange'...
[INFO] [stderr] done.
[INFO] running `"git" "rev-parse" "HEAD"`
[INFO] [stdout] 3dfbf9b362efbe38439661a3cd907e57112b94e9
[INFO] sha for GitHub repo samphippen/rexchange: 3dfbf9b362efbe38439661a3cd907e57112b94e9
[INFO] validating manifest of samphippen/rexchange 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 samphippen/rexchange 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 samphippen/rexchange
[INFO] finished frobbing samphippen/rexchange
[INFO] frobbed toml for samphippen/rexchange written to work/ex/beta-1.37-6/sources/1.36.0/gh/samphippen/rexchange/Cargo.toml
[INFO] started frobbing samphippen/rexchange
[INFO] finished frobbing samphippen/rexchange
[INFO] frobbed toml for samphippen/rexchange written to work/ex/beta-1.37-6/sources/beta-2019-07-23/gh/samphippen/rexchange/Cargo.toml
[INFO] crate samphippen/rexchange already has a lockfile, it will not be regenerated
[INFO] running `"/mnt/big/crater/work/local/cargo-home/bin/cargo" "+1.36.0" "fetch" "--locked" "--manifest-path" "Cargo.toml"`
[INFO] [stderr] error: the lock file /mnt/big/crater/work/ex/beta-1.37-6/sources/1.36.0/gh/samphippen/rexchange/Cargo.lock needs to be updated but --locked was passed to prevent this
[INFO] the lockfile is outdated, regenerating it
[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] running `"/mnt/big/crater/work/local/cargo-home/bin/cargo" "+beta-2019-07-23" "fetch" "--locked" "--manifest-path" "Cargo.toml"`
[INFO] testing samphippen/rexchange against 1.36.0 for beta-1.37-6
[INFO] running `"docker" "create" "-v" "/mnt/big/crater/work/local/target-dirs/beta-1.37-6/worker-3/1.36.0:/opt/crater/target:rw,Z" "-v" "/mnt/big/crater/work/ex/beta-1.37-6/sources/1.36.0/gh/samphippen/rexchange:/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" "+1.36.0" "build" "--frozen"`
[INFO] [stdout] 2c76e60f4c6999770878af01639edd42a1de27ec7a1d68c6a8a1a3981158e743
[INFO] running `"docker" "start" "-a" "2c76e60f4c6999770878af01639edd42a1de27ec7a1d68c6a8a1a3981158e743"`
[INFO] [stderr]    Compiling rexchange v0.0.1 (/opt/crater/workdir)
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 1.79s
[INFO] running `"docker" "inspect" "2c76e60f4c6999770878af01639edd42a1de27ec7a1d68c6a8a1a3981158e743"`
[INFO] running `"docker" "rm" "-f" "2c76e60f4c6999770878af01639edd42a1de27ec7a1d68c6a8a1a3981158e743"`
[INFO] [stdout] 2c76e60f4c6999770878af01639edd42a1de27ec7a1d68c6a8a1a3981158e743
[INFO] running `"docker" "create" "-v" "/mnt/big/crater/work/local/target-dirs/beta-1.37-6/worker-3/1.36.0:/opt/crater/target:rw,Z" "-v" "/mnt/big/crater/work/ex/beta-1.37-6/sources/1.36.0/gh/samphippen/rexchange:/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" "+1.36.0" "test" "--frozen" "--no-run"`
[INFO] [stdout] 30ced926c54a449789b51970643528a6ac81cdf5a138dc80bdf6d510b7b8d234
[INFO] running `"docker" "start" "-a" "30ced926c54a449789b51970643528a6ac81cdf5a138dc80bdf6d510b7b8d234"`
[INFO] [stderr]    Compiling rexchange v0.0.1 (/opt/crater/workdir)
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 1.25s
[INFO] running `"docker" "inspect" "30ced926c54a449789b51970643528a6ac81cdf5a138dc80bdf6d510b7b8d234"`
[INFO] running `"docker" "rm" "-f" "30ced926c54a449789b51970643528a6ac81cdf5a138dc80bdf6d510b7b8d234"`
[INFO] [stdout] 30ced926c54a449789b51970643528a6ac81cdf5a138dc80bdf6d510b7b8d234
[INFO] running `"docker" "create" "-v" "/mnt/big/crater/work/local/target-dirs/beta-1.37-6/worker-3/1.36.0:/opt/crater/target:rw,Z" "-v" "/mnt/big/crater/work/ex/beta-1.37-6/sources/1.36.0/gh/samphippen/rexchange:/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" "+1.36.0" "test" "--frozen"`
[INFO] [stdout] 44afbce9f30478608294e9173a547c6147ec505d453b3629785198854d9a72dd
[INFO] running `"docker" "start" "-a" "44afbce9f30478608294e9173a547c6147ec505d453b3629785198854d9a72dd"`
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 0.02s
[INFO] [stderr]      Running /opt/crater/target/debug/deps/rexchange-4a979ecabf3fdbe2
[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]      Running /opt/crater/target/debug/deps/rexchange-47df06bdf2627800
[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 rexchange
[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" "44afbce9f30478608294e9173a547c6147ec505d453b3629785198854d9a72dd"`
[INFO] running `"docker" "rm" "-f" "44afbce9f30478608294e9173a547c6147ec505d453b3629785198854d9a72dd"`
[INFO] [stdout] 44afbce9f30478608294e9173a547c6147ec505d453b3629785198854d9a72dd