[INFO] cloning repository katharostech/PolyFS
[INFO] running `"git" "clone" "--bare" "git://github.com/katharostech/PolyFS.git" "work/cache/sources/gh/katharostech/PolyFS"`
[INFO] [stderr] Cloning into bare repository 'work/cache/sources/gh/katharostech/PolyFS'...
[INFO] running `"git" "clone" "work/cache/sources/gh/katharostech/PolyFS" "work/ex/beta-1.37-6/sources/1.36.0/gh/katharostech/PolyFS"`
[INFO] [stderr] Cloning into 'work/ex/beta-1.37-6/sources/1.36.0/gh/katharostech/PolyFS'...
[INFO] [stderr] done.
[INFO] running `"git" "clone" "work/cache/sources/gh/katharostech/PolyFS" "work/ex/beta-1.37-6/sources/beta-2019-07-23/gh/katharostech/PolyFS"`
[INFO] [stderr] Cloning into 'work/ex/beta-1.37-6/sources/beta-2019-07-23/gh/katharostech/PolyFS'...
[INFO] [stderr] done.
[INFO] running `"git" "rev-parse" "HEAD"`
[INFO] [stdout] c5565176634fd6d29c7866fb68526aec5066a4dd
[INFO] sha for GitHub repo katharostech/PolyFS: c5565176634fd6d29c7866fb68526aec5066a4dd
[INFO] validating manifest of katharostech/PolyFS 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 katharostech/PolyFS 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 katharostech/PolyFS
[INFO] finished frobbing katharostech/PolyFS
[INFO] frobbed toml for katharostech/PolyFS written to work/ex/beta-1.37-6/sources/1.36.0/gh/katharostech/PolyFS/Cargo.toml
[INFO] started frobbing katharostech/PolyFS
[INFO] finished frobbing katharostech/PolyFS
[INFO] frobbed toml for katharostech/PolyFS written to work/ex/beta-1.37-6/sources/beta-2019-07-23/gh/katharostech/PolyFS/Cargo.toml
[INFO] crate katharostech/PolyFS 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] running `"/mnt/big/crater/work/local/cargo-home/bin/cargo" "+beta-2019-07-23" "fetch" "--locked" "--manifest-path" "Cargo.toml"`
[INFO] testing katharostech/PolyFS against beta-2019-07-23 for beta-1.37-6
[INFO] running `"docker" "create" "-v" "/mnt/big/crater/work/local/target-dirs/beta-1.37-6/worker-0/beta-2019-07-23:/opt/crater/target:rw,Z" "-v" "/mnt/big/crater/work/ex/beta-1.37-6/sources/beta-2019-07-23/gh/katharostech/PolyFS:/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" "+beta-2019-07-23" "build" "--frozen"`
[INFO] [stdout] adab200e94861a7d662a038e0cfbc6b8fbed8ee1c87e71a20412ff06b58e63c1
[INFO] running `"docker" "start" "-a" "adab200e94861a7d662a038e0cfbc6b8fbed8ee1c87e71a20412ff06b58e63c1"`
[INFO] [stderr]    Compiling proc-macro2 v0.4.29
[INFO] [stderr]    Compiling syn v0.15.34
[INFO] [stderr]    Compiling libc v0.2.54
[INFO] [stderr]    Compiling cc v1.0.36
[INFO] [stderr]    Compiling cgmath v0.16.1
[INFO] [stderr]    Compiling winapi v0.3.7
[INFO] [stderr]    Compiling rustc-demangle v0.1.14
[INFO] [stderr]    Compiling approx v0.1.1
[INFO] [stderr]    Compiling rgb v0.8.13
[INFO] [stderr]    Compiling serde v1.0.91
[INFO] [stderr]    Compiling linked-hash-map v0.5.2
[INFO] [stderr]    Compiling thread-scoped v1.0.2
[INFO] [stderr]    Compiling dtoa v0.4.4
[INFO] [stderr]    Compiling libsqlite3-sys v0.12.0
[INFO] [stderr]    Compiling rand_chacha v0.1.1
[INFO] [stderr]    Compiling rand_pcg v0.1.2
[INFO] [stderr]    Compiling bincode v1.1.3
[INFO] [stderr]    Compiling rand v0.6.5
[INFO] [stderr]    Compiling fuse v0.3.1
[INFO] [stderr]    Compiling yaml-rust v0.4.3
[INFO] [stderr]    Compiling syn v0.11.11
[INFO] [stderr]    Compiling log v0.3.9
[INFO] [stderr]    Compiling num-integer v0.1.39
[INFO] [stderr]    Compiling rand v0.4.6
[INFO] [stderr]    Compiling term_size v0.3.1
[INFO] [stderr]    Compiling time v0.1.42
[INFO] [stderr]    Compiling atty v0.2.11
[INFO] [stderr]    Compiling rand_os v0.1.3
[INFO] [stderr]    Compiling textwrap v0.11.0
[INFO] [stderr]    Compiling quote v0.6.12
[INFO] [stderr]    Compiling chrono v0.4.6
[INFO] [stderr]    Compiling clap v2.33.0
[INFO] [stderr]    Compiling backtrace-sys v0.1.28
[INFO] [stderr]    Compiling backtrace v0.3.15
[INFO] [stderr]    Compiling error-chain v0.11.0
[INFO] [stderr]    Compiling syslog v4.0.1
[INFO] [stderr]    Compiling winconsole v0.10.0
[INFO] [stderr]    Compiling colored v1.8.0
[INFO] [stderr]    Compiling fern v0.5.8
[INFO] [stderr]    Compiling diesel_derives v1.4.0
[INFO] [stderr]    Compiling serde_derive v1.0.91
[INFO] [stderr]    Compiling diesel v1.4.2
[INFO] [stderr]    Compiling serde_json v1.0.39
[INFO] [stderr]    Compiling serde_yaml v0.8.9
[INFO] [stderr]    Compiling migrations_internals v1.4.0
[INFO] [stderr]    Compiling migrations_macros v1.4.0
[INFO] [stderr]    Compiling diesel_migrations v1.4.0
[INFO] [stderr]    Compiling polyfs v0.1.0 (/opt/crater/workdir)
[INFO] [stderr] warning: variable does not need to be mutable
[INFO] [stderr]   --> src/cli/config.rs:71:9
[INFO] [stderr]    |
[INFO] [stderr] 71 |     let mut config;
[INFO] [stderr]    |         ----^^^^^^
[INFO] [stderr]    |         |
[INFO] [stderr]    |         help: remove this `mut`
[INFO] [stderr]    |
[INFO] [stderr]    = note: #[warn(unused_mut)] on by default
[INFO] [stderr] 
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 2m 30s
[INFO] running `"docker" "inspect" "adab200e94861a7d662a038e0cfbc6b8fbed8ee1c87e71a20412ff06b58e63c1"`
[INFO] running `"docker" "rm" "-f" "adab200e94861a7d662a038e0cfbc6b8fbed8ee1c87e71a20412ff06b58e63c1"`
[INFO] [stdout] adab200e94861a7d662a038e0cfbc6b8fbed8ee1c87e71a20412ff06b58e63c1
[INFO] running `"docker" "create" "-v" "/mnt/big/crater/work/local/target-dirs/beta-1.37-6/worker-0/beta-2019-07-23:/opt/crater/target:rw,Z" "-v" "/mnt/big/crater/work/ex/beta-1.37-6/sources/beta-2019-07-23/gh/katharostech/PolyFS:/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" "+beta-2019-07-23" "test" "--frozen" "--no-run"`
[INFO] [stdout] c2758ec5fe5f44f9b31030ac6fd1e6ba7f2d8dc907fe1862da13cc3685041b85
[INFO] running `"docker" "start" "-a" "c2758ec5fe5f44f9b31030ac6fd1e6ba7f2d8dc907fe1862da13cc3685041b85"`
[INFO] [stderr]    Compiling polyfs v0.1.0 (/opt/crater/workdir)
[INFO] [stderr] warning: variable does not need to be mutable
[INFO] [stderr]   --> src/cli/config.rs:71:9
[INFO] [stderr]    |
[INFO] [stderr] 71 |     let mut config;
[INFO] [stderr]    |         ----^^^^^^
[INFO] [stderr]    |         |
[INFO] [stderr]    |         help: remove this `mut`
[INFO] [stderr]    |
[INFO] [stderr]    = note: #[warn(unused_mut)] on by default
[INFO] [stderr] 
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 4.85s
[INFO] running `"docker" "inspect" "c2758ec5fe5f44f9b31030ac6fd1e6ba7f2d8dc907fe1862da13cc3685041b85"`
[INFO] running `"docker" "rm" "-f" "c2758ec5fe5f44f9b31030ac6fd1e6ba7f2d8dc907fe1862da13cc3685041b85"`
[INFO] [stdout] c2758ec5fe5f44f9b31030ac6fd1e6ba7f2d8dc907fe1862da13cc3685041b85
[INFO] running `"docker" "create" "-v" "/mnt/big/crater/work/local/target-dirs/beta-1.37-6/worker-0/beta-2019-07-23:/opt/crater/target:rw,Z" "-v" "/mnt/big/crater/work/ex/beta-1.37-6/sources/beta-2019-07-23/gh/katharostech/PolyFS:/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" "+beta-2019-07-23" "test" "--frozen"`
[INFO] [stdout] 2c9d45c1090fddba84d882ffc873f4dfdddc74bf5335de38bd8d068b64e3b803
[INFO] running `"docker" "start" "-a" "2c9d45c1090fddba84d882ffc873f4dfdddc74bf5335de38bd8d068b64e3b803"`
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 0.10s
[INFO] [stderr]      Running /opt/crater/target/debug/deps/polyfs-00c2aff9fc7c990c
[INFO] [stdout] 
[INFO] [stdout] running 5 tests
[INFO] [stdout] test app::backends::sqlite::kv::test::get_nothing ... ok
[INFO] [stdout] test app::backends::sqlite::kv::test::delete_key ... ok
[INFO] [stdout] test app::backends::sqlite::kv::test::list_keys ... ok
[INFO] [stdout] test app::backends::sqlite::kv::test::set_and_update_key ... ok
[INFO] [stderr]      Running /opt/crater/target/debug/deps/polyfs-f097d44a85aa7941
[INFO] [stdout] test app::backends::sqlite::kv::test::set_and_get ... ok
[INFO] [stdout] 
[INFO] [stdout] test result: ok. 5 passed; 0 failed; 0 ignored; 0 measured; 0 filtered out
[INFO] [stdout] 
[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 polyfs
[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" "2c9d45c1090fddba84d882ffc873f4dfdddc74bf5335de38bd8d068b64e3b803"`
[INFO] running `"docker" "rm" "-f" "2c9d45c1090fddba84d882ffc873f4dfdddc74bf5335de38bd8d068b64e3b803"`
[INFO] [stdout] 2c9d45c1090fddba84d882ffc873f4dfdddc74bf5335de38bd8d068b64e3b803