[INFO] updating cached repository travis-bradbury/cryptopals-1.3
[INFO] running `"git" "fetch" "--all"`
[INFO] [stdout] Fetching origin
[INFO] [stderr] From git://github.com/travis-bradbury/cryptopals-1.3
[INFO] [stderr]  * branch            HEAD       -> FETCH_HEAD
[INFO] running `"git" "clone" "work/cache/sources/gh/travis-bradbury/cryptopals-1.3" "work/ex/beta-1.38-1/sources/1.37.0/gh/travis-bradbury/cryptopals-1.3"`
[INFO] [stderr] Cloning into 'work/ex/beta-1.38-1/sources/1.37.0/gh/travis-bradbury/cryptopals-1.3'...
[INFO] [stderr] done.
[INFO] running `"git" "clone" "work/cache/sources/gh/travis-bradbury/cryptopals-1.3" "work/ex/beta-1.38-1/sources/beta-2019-08-13/gh/travis-bradbury/cryptopals-1.3"`
[INFO] [stderr] Cloning into 'work/ex/beta-1.38-1/sources/beta-2019-08-13/gh/travis-bradbury/cryptopals-1.3'...
[INFO] [stderr] done.
[INFO] running `"git" "rev-parse" "HEAD"`
[INFO] [stdout] aff80276197b4d8a8d7d583b9eb7281dd87b3dc1
[INFO] sha for GitHub repo travis-bradbury/cryptopals-1.3: aff80276197b4d8a8d7d583b9eb7281dd87b3dc1
[INFO] validating manifest of travis-bradbury/cryptopals-1.3 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 travis-bradbury/cryptopals-1.3 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 travis-bradbury/cryptopals-1.3
[INFO] finished frobbing travis-bradbury/cryptopals-1.3
[INFO] frobbed toml for travis-bradbury/cryptopals-1.3 written to work/ex/beta-1.38-1/sources/1.37.0/gh/travis-bradbury/cryptopals-1.3/Cargo.toml
[INFO] started frobbing travis-bradbury/cryptopals-1.3
[INFO] finished frobbing travis-bradbury/cryptopals-1.3
[INFO] frobbed toml for travis-bradbury/cryptopals-1.3 written to work/ex/beta-1.38-1/sources/beta-2019-08-13/gh/travis-bradbury/cryptopals-1.3/Cargo.toml
[INFO] crate travis-bradbury/cryptopals-1.3 already has a lockfile, it will not be regenerated
[INFO] running `"/mnt/big/crater/work/local/cargo-home/bin/cargo" "+1.37.0" "fetch" "--locked" "--manifest-path" "Cargo.toml"`
[INFO] [stderr] error: the lock file /mnt/big/crater/work/ex/beta-1.38-1/sources/1.37.0/gh/travis-bradbury/cryptopals-1.3/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[INFO] the lockfile is outdated, regenerating it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" "+1.37.0" "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] running `"/mnt/big/crater/work/local/cargo-home/bin/cargo" "+beta-2019-08-13" "fetch" "--locked" "--manifest-path" "Cargo.toml"`
[INFO] testing travis-bradbury/cryptopals-1.3 against 1.37.0 for beta-1.38-1
[INFO] running `"docker" "create" "-v" "/mnt/big/crater/work/local/target-dirs/beta-1.38-1/worker-2/1.37.0:/opt/crater/target:rw,Z" "-v" "/mnt/big/crater/work/ex/beta-1.38-1/sources/1.37.0/gh/travis-bradbury/cryptopals-1.3:/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" "+1.37.0" "build" "--frozen"`
[INFO] [stdout] 8bd8876fb86d1cfe0614ae5ac6b3fffd112e30830e21fa5e5b4280bd9664e54a
[INFO] running `"docker" "start" "-a" "8bd8876fb86d1cfe0614ae5ac6b3fffd112e30830e21fa5e5b4280bd9664e54a"`
[INFO] [stderr]    Compiling challenge3 v0.1.0 (/opt/crater/workdir)
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 0.92s
[INFO] running `"docker" "inspect" "8bd8876fb86d1cfe0614ae5ac6b3fffd112e30830e21fa5e5b4280bd9664e54a"`
[INFO] running `"docker" "rm" "-f" "8bd8876fb86d1cfe0614ae5ac6b3fffd112e30830e21fa5e5b4280bd9664e54a"`
[INFO] [stdout] 8bd8876fb86d1cfe0614ae5ac6b3fffd112e30830e21fa5e5b4280bd9664e54a
[INFO] running `"docker" "create" "-v" "/mnt/big/crater/work/local/target-dirs/beta-1.38-1/worker-2/1.37.0:/opt/crater/target:rw,Z" "-v" "/mnt/big/crater/work/ex/beta-1.38-1/sources/1.37.0/gh/travis-bradbury/cryptopals-1.3:/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" "+1.37.0" "test" "--frozen" "--no-run"`
[INFO] [stdout] 88645b98286791102997936cd617223378d06bd112c960aed42c0c70d726a700
[INFO] running `"docker" "start" "-a" "88645b98286791102997936cd617223378d06bd112c960aed42c0c70d726a700"`
[INFO] [stderr]    Compiling challenge3 v0.1.0 (/opt/crater/workdir)
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 0.68s
[INFO] running `"docker" "inspect" "88645b98286791102997936cd617223378d06bd112c960aed42c0c70d726a700"`
[INFO] running `"docker" "rm" "-f" "88645b98286791102997936cd617223378d06bd112c960aed42c0c70d726a700"`
[INFO] [stdout] 88645b98286791102997936cd617223378d06bd112c960aed42c0c70d726a700
[INFO] running `"docker" "create" "-v" "/mnt/big/crater/work/local/target-dirs/beta-1.38-1/worker-2/1.37.0:/opt/crater/target:rw,Z" "-v" "/mnt/big/crater/work/ex/beta-1.38-1/sources/1.37.0/gh/travis-bradbury/cryptopals-1.3:/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" "+1.37.0" "test" "--frozen"`
[INFO] [stdout] a973bfe17eab2b32bb3ca4289b1d8883cca25e29de22689e9b7980611418170e
[INFO] running `"docker" "start" "-a" "a973bfe17eab2b32bb3ca4289b1d8883cca25e29de22689e9b7980611418170e"`
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 0.05s
[INFO] [stderr]      Running /opt/crater/target/debug/deps/challenge3-727cdfcdae09667b
[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" "a973bfe17eab2b32bb3ca4289b1d8883cca25e29de22689e9b7980611418170e"`
[INFO] running `"docker" "rm" "-f" "a973bfe17eab2b32bb3ca4289b1d8883cca25e29de22689e9b7980611418170e"`
[INFO] [stdout] a973bfe17eab2b32bb3ca4289b1d8883cca25e29de22689e9b7980611418170e