[INFO] updating cached repository diejmon/rust_preferences
[INFO] running `"git" "fetch" "--all"`
[INFO] [stdout] Fetching origin
[INFO] [stderr] From git://github.com/diejmon/rust_preferences
[INFO] [stderr]  * branch            HEAD       -> FETCH_HEAD
[INFO] running `"git" "clone" "work/cache/sources/gh/diejmon/rust_preferences" "work/ex/beta-1.38-1/sources/1.37.0/gh/diejmon/rust_preferences"`
[INFO] [stderr] Cloning into 'work/ex/beta-1.38-1/sources/1.37.0/gh/diejmon/rust_preferences'...
[INFO] [stderr] done.
[INFO] running `"git" "clone" "work/cache/sources/gh/diejmon/rust_preferences" "work/ex/beta-1.38-1/sources/beta-2019-08-13/gh/diejmon/rust_preferences"`
[INFO] [stderr] Cloning into 'work/ex/beta-1.38-1/sources/beta-2019-08-13/gh/diejmon/rust_preferences'...
[INFO] [stderr] done.
[INFO] running `"git" "rev-parse" "HEAD"`
[INFO] [stdout] c12c7044c5d35afdc1ce0b5c4de773c9e9176cec
[INFO] sha for GitHub repo diejmon/rust_preferences: c12c7044c5d35afdc1ce0b5c4de773c9e9176cec
[INFO] validating manifest of diejmon/rust_preferences 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 diejmon/rust_preferences 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 diejmon/rust_preferences
[INFO] removed workspace from diejmon/rust_preferences
[INFO] finished frobbing diejmon/rust_preferences
[INFO] frobbed toml for diejmon/rust_preferences written to work/ex/beta-1.38-1/sources/1.37.0/gh/diejmon/rust_preferences/Cargo.toml
[INFO] started frobbing diejmon/rust_preferences
[INFO] removed workspace from diejmon/rust_preferences
[INFO] finished frobbing diejmon/rust_preferences
[INFO] frobbed toml for diejmon/rust_preferences written to work/ex/beta-1.38-1/sources/beta-2019-08-13/gh/diejmon/rust_preferences/Cargo.toml
[INFO] crate diejmon/rust_preferences 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 diejmon/rust_preferences 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-4/1.37.0:/opt/crater/target:rw,Z" "-v" "/mnt/big/crater/work/ex/beta-1.38-1/sources/1.37.0/gh/diejmon/rust_preferences:/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] 1740b2aed2bfc534c95cc4d9f4aee8f4681cbe0b939983f59d2be8b35abacde8
[INFO] running `"docker" "start" "-a" "1740b2aed2bfc534c95cc4d9f4aee8f4681cbe0b939983f59d2be8b35abacde8"`
[INFO] [stderr]    Compiling rust_preferences v0.1.0 (/opt/crater/workdir)
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 1.82s
[INFO] running `"docker" "inspect" "1740b2aed2bfc534c95cc4d9f4aee8f4681cbe0b939983f59d2be8b35abacde8"`
[INFO] running `"docker" "rm" "-f" "1740b2aed2bfc534c95cc4d9f4aee8f4681cbe0b939983f59d2be8b35abacde8"`
[INFO] [stdout] 1740b2aed2bfc534c95cc4d9f4aee8f4681cbe0b939983f59d2be8b35abacde8
[INFO] running `"docker" "create" "-v" "/mnt/big/crater/work/local/target-dirs/beta-1.38-1/worker-4/1.37.0:/opt/crater/target:rw,Z" "-v" "/mnt/big/crater/work/ex/beta-1.38-1/sources/1.37.0/gh/diejmon/rust_preferences:/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] 7f98ec460052f577e728d28ac0f1f1497b8687fe69d1e82c402bc3b0f6747f96
[INFO] running `"docker" "start" "-a" "7f98ec460052f577e728d28ac0f1f1497b8687fe69d1e82c402bc3b0f6747f96"`
[INFO] [stderr]    Compiling rust_preferences v0.1.0 (/opt/crater/workdir)
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 0.87s
[INFO] running `"docker" "inspect" "7f98ec460052f577e728d28ac0f1f1497b8687fe69d1e82c402bc3b0f6747f96"`
[INFO] running `"docker" "rm" "-f" "7f98ec460052f577e728d28ac0f1f1497b8687fe69d1e82c402bc3b0f6747f96"`
[INFO] [stdout] 7f98ec460052f577e728d28ac0f1f1497b8687fe69d1e82c402bc3b0f6747f96
[INFO] running `"docker" "create" "-v" "/mnt/big/crater/work/local/target-dirs/beta-1.38-1/worker-4/1.37.0:/opt/crater/target:rw,Z" "-v" "/mnt/big/crater/work/ex/beta-1.38-1/sources/1.37.0/gh/diejmon/rust_preferences:/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] ad0522a05cc98e781ae523af575c3197780e6705acbfc49f118e6801bb8ef7ae
[INFO] running `"docker" "start" "-a" "ad0522a05cc98e781ae523af575c3197780e6705acbfc49f118e6801bb8ef7ae"`
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 0.04s
[INFO] [stderr]      Running /opt/crater/target/debug/deps/rust_preferences-3d36e11570d84cf4
[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/rust_preferences-38894be65773fc10
[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 rust_preferences
[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" "ad0522a05cc98e781ae523af575c3197780e6705acbfc49f118e6801bb8ef7ae"`
[INFO] running `"docker" "rm" "-f" "ad0522a05cc98e781ae523af575c3197780e6705acbfc49f118e6801bb8ef7ae"`
[INFO] [stdout] ad0522a05cc98e781ae523af575c3197780e6705acbfc49f118e6801bb8ef7ae