[INFO] updating cached repository PurpleMyst/russet
[INFO] running `"git" "fetch" "--all"`
[INFO] [stdout] Fetching origin
[INFO] [stderr] From git://github.com/PurpleMyst/russet
[INFO] [stderr]  * branch            HEAD       -> FETCH_HEAD
[INFO] running `"git" "clone" "work/cache/sources/gh/PurpleMyst/russet" "work/ex/beta-1.38-1/sources/1.37.0/gh/PurpleMyst/russet"`
[INFO] [stderr] Cloning into 'work/ex/beta-1.38-1/sources/1.37.0/gh/PurpleMyst/russet'...
[INFO] [stderr] done.
[INFO] running `"git" "clone" "work/cache/sources/gh/PurpleMyst/russet" "work/ex/beta-1.38-1/sources/beta-2019-08-13/gh/PurpleMyst/russet"`
[INFO] [stderr] Cloning into 'work/ex/beta-1.38-1/sources/beta-2019-08-13/gh/PurpleMyst/russet'...
[INFO] [stderr] done.
[INFO] running `"git" "rev-parse" "HEAD"`
[INFO] [stdout] b903cf417caa9b95e8590e4846c197931e97e65c
[INFO] sha for GitHub repo PurpleMyst/russet: b903cf417caa9b95e8590e4846c197931e97e65c
[INFO] validating manifest of PurpleMyst/russet 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 PurpleMyst/russet 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 PurpleMyst/russet
[INFO] finished frobbing PurpleMyst/russet
[INFO] frobbed toml for PurpleMyst/russet written to work/ex/beta-1.38-1/sources/1.37.0/gh/PurpleMyst/russet/Cargo.toml
[INFO] started frobbing PurpleMyst/russet
[INFO] finished frobbing PurpleMyst/russet
[INFO] frobbed toml for PurpleMyst/russet written to work/ex/beta-1.38-1/sources/beta-2019-08-13/gh/PurpleMyst/russet/Cargo.toml
[INFO] crate PurpleMyst/russet 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 PurpleMyst/russet 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-3/1.37.0:/opt/crater/target:rw,Z" "-v" "/mnt/big/crater/work/ex/beta-1.38-1/sources/1.37.0/gh/PurpleMyst/russet:/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] fd381f7fafed58325f12edf855794f68f69be5087adde1c6fe865eb3c12f7b83
[INFO] running `"docker" "start" "-a" "fd381f7fafed58325f12edf855794f68f69be5087adde1c6fe865eb3c12f7b83"`
[INFO] [stderr]    Compiling libc v0.2.36
[INFO] [stderr]    Compiling memchr v2.0.1
[INFO] [stderr]    Compiling aho-corasick v0.6.4
[INFO] [stderr]    Compiling regex v0.2.6
[INFO] [stderr]    Compiling russet v0.1.0 (/opt/crater/workdir)
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 12.85s
[INFO] running `"docker" "inspect" "fd381f7fafed58325f12edf855794f68f69be5087adde1c6fe865eb3c12f7b83"`
[INFO] running `"docker" "rm" "-f" "fd381f7fafed58325f12edf855794f68f69be5087adde1c6fe865eb3c12f7b83"`
[INFO] [stdout] fd381f7fafed58325f12edf855794f68f69be5087adde1c6fe865eb3c12f7b83
[INFO] running `"docker" "create" "-v" "/mnt/big/crater/work/local/target-dirs/beta-1.38-1/worker-3/1.37.0:/opt/crater/target:rw,Z" "-v" "/mnt/big/crater/work/ex/beta-1.38-1/sources/1.37.0/gh/PurpleMyst/russet:/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] ef02943465280c49960402ec720f530a62334314374affd2da26fa1e1496d57c
[INFO] running `"docker" "start" "-a" "ef02943465280c49960402ec720f530a62334314374affd2da26fa1e1496d57c"`
[INFO] [stderr]    Compiling russet v0.1.0 (/opt/crater/workdir)
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 0.92s
[INFO] running `"docker" "inspect" "ef02943465280c49960402ec720f530a62334314374affd2da26fa1e1496d57c"`
[INFO] running `"docker" "rm" "-f" "ef02943465280c49960402ec720f530a62334314374affd2da26fa1e1496d57c"`
[INFO] [stdout] ef02943465280c49960402ec720f530a62334314374affd2da26fa1e1496d57c
[INFO] running `"docker" "create" "-v" "/mnt/big/crater/work/local/target-dirs/beta-1.38-1/worker-3/1.37.0:/opt/crater/target:rw,Z" "-v" "/mnt/big/crater/work/ex/beta-1.38-1/sources/1.37.0/gh/PurpleMyst/russet:/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] f3a4fbb10a38fac6569cde133f63a9fa4b0a8acdcc59f46bb93a8a9862ef58b1
[INFO] running `"docker" "start" "-a" "f3a4fbb10a38fac6569cde133f63a9fa4b0a8acdcc59f46bb93a8a9862ef58b1"`
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 0.05s
[INFO] [stderr]      Running /opt/crater/target/debug/deps/russet-a213102679008bea
[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" "f3a4fbb10a38fac6569cde133f63a9fa4b0a8acdcc59f46bb93a8a9862ef58b1"`
[INFO] running `"docker" "rm" "-f" "f3a4fbb10a38fac6569cde133f63a9fa4b0a8acdcc59f46bb93a8a9862ef58b1"`
[INFO] [stdout] f3a4fbb10a38fac6569cde133f63a9fa4b0a8acdcc59f46bb93a8a9862ef58b1