[INFO] updating cached repository mverleg/string_manipulation
[INFO] running `"git" "fetch" "--all"`
[INFO] [stdout] Fetching origin
[INFO] [stderr] From git://github.com/mverleg/string_manipulation
[INFO] [stderr]  * branch            HEAD       -> FETCH_HEAD
[INFO] running `"git" "clone" "work/cache/sources/gh/mverleg/string_manipulation" "work/ex/beta-1.38-1/sources/1.37.0/gh/mverleg/string_manipulation"`
[INFO] [stderr] Cloning into 'work/ex/beta-1.38-1/sources/1.37.0/gh/mverleg/string_manipulation'...
[INFO] [stderr] done.
[INFO] running `"git" "clone" "work/cache/sources/gh/mverleg/string_manipulation" "work/ex/beta-1.38-1/sources/beta-2019-08-13/gh/mverleg/string_manipulation"`
[INFO] [stderr] Cloning into 'work/ex/beta-1.38-1/sources/beta-2019-08-13/gh/mverleg/string_manipulation'...
[INFO] [stderr] done.
[INFO] running `"git" "rev-parse" "HEAD"`
[INFO] [stdout] f10b88ed9c12d2ef63812449056ff777ec05012c
[INFO] sha for GitHub repo mverleg/string_manipulation: f10b88ed9c12d2ef63812449056ff777ec05012c
[INFO] validating manifest of mverleg/string_manipulation 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 mverleg/string_manipulation 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 mverleg/string_manipulation
[INFO] finished frobbing mverleg/string_manipulation
[INFO] frobbed toml for mverleg/string_manipulation written to work/ex/beta-1.38-1/sources/1.37.0/gh/mverleg/string_manipulation/Cargo.toml
[INFO] started frobbing mverleg/string_manipulation
[INFO] finished frobbing mverleg/string_manipulation
[INFO] frobbed toml for mverleg/string_manipulation written to work/ex/beta-1.38-1/sources/beta-2019-08-13/gh/mverleg/string_manipulation/Cargo.toml
[INFO] crate mverleg/string_manipulation 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] running `"/mnt/big/crater/work/local/cargo-home/bin/cargo" "+beta-2019-08-13" "fetch" "--locked" "--manifest-path" "Cargo.toml"`
[INFO] testing mverleg/string_manipulation 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-1/1.37.0:/opt/crater/target:rw,Z" "-v" "/mnt/big/crater/work/ex/beta-1.38-1/sources/1.37.0/gh/mverleg/string_manipulation:/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] eab721309238311cd5b7941d66787caba0496ebe5b02784c98306ef67cb398d5
[INFO] running `"docker" "start" "-a" "eab721309238311cd5b7941d66787caba0496ebe5b02784c98306ef67cb398d5"`
[INFO] [stderr]    Compiling string_manipulation v0.1.0 (/opt/crater/workdir)
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 0.65s
[INFO] running `"docker" "inspect" "eab721309238311cd5b7941d66787caba0496ebe5b02784c98306ef67cb398d5"`
[INFO] running `"docker" "rm" "-f" "eab721309238311cd5b7941d66787caba0496ebe5b02784c98306ef67cb398d5"`
[INFO] [stdout] eab721309238311cd5b7941d66787caba0496ebe5b02784c98306ef67cb398d5
[INFO] running `"docker" "create" "-v" "/mnt/big/crater/work/local/target-dirs/beta-1.38-1/worker-1/1.37.0:/opt/crater/target:rw,Z" "-v" "/mnt/big/crater/work/ex/beta-1.38-1/sources/1.37.0/gh/mverleg/string_manipulation:/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] be5b0a41851b778c8514a9e0842376362832435356def71806aec49b4e19cfc9
[INFO] running `"docker" "start" "-a" "be5b0a41851b778c8514a9e0842376362832435356def71806aec49b4e19cfc9"`
[INFO] [stderr]    Compiling string_manipulation v0.1.0 (/opt/crater/workdir)
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 0.82s
[INFO] running `"docker" "inspect" "be5b0a41851b778c8514a9e0842376362832435356def71806aec49b4e19cfc9"`
[INFO] running `"docker" "rm" "-f" "be5b0a41851b778c8514a9e0842376362832435356def71806aec49b4e19cfc9"`
[INFO] [stdout] be5b0a41851b778c8514a9e0842376362832435356def71806aec49b4e19cfc9
[INFO] running `"docker" "create" "-v" "/mnt/big/crater/work/local/target-dirs/beta-1.38-1/worker-1/1.37.0:/opt/crater/target:rw,Z" "-v" "/mnt/big/crater/work/ex/beta-1.38-1/sources/1.37.0/gh/mverleg/string_manipulation:/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] dd9551930623136df3aef25016ef5b8d71eb91d695144a45da98785890a9cc66
[INFO] running `"docker" "start" "-a" "dd9551930623136df3aef25016ef5b8d71eb91d695144a45da98785890a9cc66"`
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 0.02s
[INFO] [stderr]      Running /opt/crater/target/debug/deps/string_manipulation-7a4406ecc311c3c4
[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" "dd9551930623136df3aef25016ef5b8d71eb91d695144a45da98785890a9cc66"`
[INFO] running `"docker" "rm" "-f" "dd9551930623136df3aef25016ef5b8d71eb91d695144a45da98785890a9cc66"`
[INFO] [stdout] dd9551930623136df3aef25016ef5b8d71eb91d695144a45da98785890a9cc66