[INFO] updating cached repository shunichi/rmg_tool
[INFO] running `"git" "fetch" "--all"`
[INFO] [stdout] Fetching origin
[INFO] [stderr] From git://github.com/shunichi/rmg_tool
[INFO] [stderr]  * branch            HEAD       -> FETCH_HEAD
[INFO] running `"git" "clone" "work/cache/sources/gh/shunichi/rmg_tool" "work/ex/beta-1.38-1/sources/1.37.0/gh/shunichi/rmg_tool"`
[INFO] [stderr] Cloning into 'work/ex/beta-1.38-1/sources/1.37.0/gh/shunichi/rmg_tool'...
[INFO] [stderr] done.
[INFO] running `"git" "clone" "work/cache/sources/gh/shunichi/rmg_tool" "work/ex/beta-1.38-1/sources/beta-2019-08-13/gh/shunichi/rmg_tool"`
[INFO] [stderr] Cloning into 'work/ex/beta-1.38-1/sources/beta-2019-08-13/gh/shunichi/rmg_tool'...
[INFO] [stderr] done.
[INFO] running `"git" "rev-parse" "HEAD"`
[INFO] [stdout] 054871e9ca37fe33e8a811d8087224bd7a26251a
[INFO] sha for GitHub repo shunichi/rmg_tool: 054871e9ca37fe33e8a811d8087224bd7a26251a
[INFO] validating manifest of shunichi/rmg_tool 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 shunichi/rmg_tool 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 shunichi/rmg_tool
[INFO] finished frobbing shunichi/rmg_tool
[INFO] frobbed toml for shunichi/rmg_tool written to work/ex/beta-1.38-1/sources/1.37.0/gh/shunichi/rmg_tool/Cargo.toml
[INFO] started frobbing shunichi/rmg_tool
[INFO] finished frobbing shunichi/rmg_tool
[INFO] frobbed toml for shunichi/rmg_tool written to work/ex/beta-1.38-1/sources/beta-2019-08-13/gh/shunichi/rmg_tool/Cargo.toml
[INFO] crate shunichi/rmg_tool 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 shunichi/rmg_tool 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/shunichi/rmg_tool:/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] 1993c406107bca8517db1f8228a00c8ced1b5c857f351f24ca8145303630c574
[INFO] running `"docker" "start" "-a" "1993c406107bca8517db1f8228a00c8ced1b5c857f351f24ca8145303630c574"`
[INFO] [stderr]    Compiling base64 v0.6.0
[INFO] [stderr]    Compiling rand v0.4.5
[INFO] [stderr]    Compiling memchr v1.0.2
[INFO] [stderr]    Compiling users v0.8.1
[INFO] [stderr]    Compiling rand v0.3.22
[INFO] [stderr]    Compiling postgres-protocol v0.3.2
[INFO] [stderr]    Compiling postgres-shared v0.4.2
[INFO] [stderr]    Compiling postgres v0.15.2
[INFO] [stderr]    Compiling rmg v0.1.1 (/opt/crater/workdir)
[INFO] [stderr] warning: function is never used: `migrate_down`
[INFO] [stderr]   --> src/main.rs:83:1
[INFO] [stderr]    |
[INFO] [stderr] 83 | fn migrate_down(u: &Vec<&str>) {
[INFO] [stderr]    | ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stderr]    |
[INFO] [stderr]    = note: #[warn(dead_code)] on by default
[INFO] [stderr] 
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 23.10s
[INFO] running `"docker" "inspect" "1993c406107bca8517db1f8228a00c8ced1b5c857f351f24ca8145303630c574"`
[INFO] running `"docker" "rm" "-f" "1993c406107bca8517db1f8228a00c8ced1b5c857f351f24ca8145303630c574"`
[INFO] [stdout] 1993c406107bca8517db1f8228a00c8ced1b5c857f351f24ca8145303630c574
[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/shunichi/rmg_tool:/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] 1828a141f03d848d60e50fda3d05ee6910713a2c5740aad0a8ef5088fac446b5
[INFO] running `"docker" "start" "-a" "1828a141f03d848d60e50fda3d05ee6910713a2c5740aad0a8ef5088fac446b5"`
[INFO] [stderr]    Compiling rmg v0.1.1 (/opt/crater/workdir)
[INFO] [stderr] warning: function is never used: `migrate_down`
[INFO] [stderr]   --> src/main.rs:83:1
[INFO] [stderr]    |
[INFO] [stderr] 83 | fn migrate_down(u: &Vec<&str>) {
[INFO] [stderr]    | ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stderr]    |
[INFO] [stderr]    = note: #[warn(dead_code)] on by default
[INFO] [stderr] 
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 2.33s
[INFO] running `"docker" "inspect" "1828a141f03d848d60e50fda3d05ee6910713a2c5740aad0a8ef5088fac446b5"`
[INFO] running `"docker" "rm" "-f" "1828a141f03d848d60e50fda3d05ee6910713a2c5740aad0a8ef5088fac446b5"`
[INFO] [stdout] 1828a141f03d848d60e50fda3d05ee6910713a2c5740aad0a8ef5088fac446b5
[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/shunichi/rmg_tool:/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] 6ec0f1d4e039aac86f4b4999a5efa99657171cc93327ec6c8356fb414d54e429
[INFO] running `"docker" "start" "-a" "6ec0f1d4e039aac86f4b4999a5efa99657171cc93327ec6c8356fb414d54e429"`
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 0.08s
[INFO] [stderr]      Running /opt/crater/target/debug/deps/rmg-7f4b1f0716bb8fb5
[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/rmg-8d47994daf1cf52a
[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 rmg
[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" "6ec0f1d4e039aac86f4b4999a5efa99657171cc93327ec6c8356fb414d54e429"`
[INFO] running `"docker" "rm" "-f" "6ec0f1d4e039aac86f4b4999a5efa99657171cc93327ec6c8356fb414d54e429"`
[INFO] [stdout] 6ec0f1d4e039aac86f4b4999a5efa99657171cc93327ec6c8356fb414d54e429