[INFO] updating cached repository aunpyz/RustMapReduce
[INFO] running `"git" "fetch" "--all"`
[INFO] [stdout] Fetching origin
[INFO] [stderr] From git://github.com/aunpyz/RustMapReduce
[INFO] [stderr]  * branch            HEAD       -> FETCH_HEAD
[INFO] running `"git" "clone" "work/cache/sources/gh/aunpyz/RustMapReduce" "work/ex/beta-1.38-1/sources/1.37.0/gh/aunpyz/RustMapReduce"`
[INFO] [stderr] Cloning into 'work/ex/beta-1.38-1/sources/1.37.0/gh/aunpyz/RustMapReduce'...
[INFO] [stderr] done.
[INFO] running `"git" "clone" "work/cache/sources/gh/aunpyz/RustMapReduce" "work/ex/beta-1.38-1/sources/beta-2019-08-13/gh/aunpyz/RustMapReduce"`
[INFO] [stderr] Cloning into 'work/ex/beta-1.38-1/sources/beta-2019-08-13/gh/aunpyz/RustMapReduce'...
[INFO] [stderr] done.
[INFO] running `"git" "rev-parse" "HEAD"`
[INFO] [stdout] 56cb693a6806b982f3bd91ca60056a1012a45b71
[INFO] sha for GitHub repo aunpyz/RustMapReduce: 56cb693a6806b982f3bd91ca60056a1012a45b71
[INFO] validating manifest of aunpyz/RustMapReduce 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 aunpyz/RustMapReduce 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 aunpyz/RustMapReduce
[INFO] finished frobbing aunpyz/RustMapReduce
[INFO] frobbed toml for aunpyz/RustMapReduce written to work/ex/beta-1.38-1/sources/1.37.0/gh/aunpyz/RustMapReduce/Cargo.toml
[INFO] started frobbing aunpyz/RustMapReduce
[INFO] finished frobbing aunpyz/RustMapReduce
[INFO] frobbed toml for aunpyz/RustMapReduce written to work/ex/beta-1.38-1/sources/beta-2019-08-13/gh/aunpyz/RustMapReduce/Cargo.toml
[INFO] crate aunpyz/RustMapReduce 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 aunpyz/RustMapReduce 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-0/1.37.0:/opt/crater/target:rw,Z" "-v" "/mnt/big/crater/work/ex/beta-1.38-1/sources/1.37.0/gh/aunpyz/RustMapReduce:/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] 89a9c222228dfe8069a13d3fbc18eec602cb67fe34ea7b1d2e480d1a02d9f435
[INFO] running `"docker" "start" "-a" "89a9c222228dfe8069a13d3fbc18eec602cb67fe34ea7b1d2e480d1a02d9f435"`
[INFO] [stderr]     Blocking waiting for file lock on package cache
[INFO] [stderr]    Compiling map_reduce v0.1.0 (/opt/crater/workdir)
[INFO] [stderr] warning: function is never used: `map`
[INFO] [stderr]   --> src/lib.rs:50:1
[INFO] [stderr]    |
[INFO] [stderr] 50 | fn map() {
[INFO] [stderr]    | ^^^^^^^^
[INFO] [stderr]    |
[INFO] [stderr]    = note: #[warn(dead_code)] on by default
[INFO] [stderr] 
[INFO] [stderr] warning: function is never used: `reduce`
[INFO] [stderr]   --> src/lib.rs:54:1
[INFO] [stderr]    |
[INFO] [stderr] 54 | fn reduce() {
[INFO] [stderr]    | ^^^^^^^^^^^
[INFO] [stderr] 
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 1.12s
[INFO] running `"docker" "inspect" "89a9c222228dfe8069a13d3fbc18eec602cb67fe34ea7b1d2e480d1a02d9f435"`
[INFO] running `"docker" "rm" "-f" "89a9c222228dfe8069a13d3fbc18eec602cb67fe34ea7b1d2e480d1a02d9f435"`
[INFO] [stdout] 89a9c222228dfe8069a13d3fbc18eec602cb67fe34ea7b1d2e480d1a02d9f435
[INFO] running `"docker" "create" "-v" "/mnt/big/crater/work/local/target-dirs/beta-1.38-1/worker-0/1.37.0:/opt/crater/target:rw,Z" "-v" "/mnt/big/crater/work/ex/beta-1.38-1/sources/1.37.0/gh/aunpyz/RustMapReduce:/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] f0ed670fa8b0c1184ee07adccac206e2b262d5987e7e684a1942e73e7eb28711
[INFO] running `"docker" "start" "-a" "f0ed670fa8b0c1184ee07adccac206e2b262d5987e7e684a1942e73e7eb28711"`
[INFO] [stderr]    Compiling map_reduce v0.1.0 (/opt/crater/workdir)
[INFO] [stderr] warning: function is never used: `map`
[INFO] [stderr]   --> src/lib.rs:50:1
[INFO] [stderr]    |
[INFO] [stderr] 50 | fn map() {
[INFO] [stderr]    | ^^^^^^^^
[INFO] [stderr]    |
[INFO] [stderr]    = note: #[warn(dead_code)] on by default
[INFO] [stderr] 
[INFO] [stderr] warning: function is never used: `reduce`
[INFO] [stderr]   --> src/lib.rs:54:1
[INFO] [stderr]    |
[INFO] [stderr] 54 | fn reduce() {
[INFO] [stderr]    | ^^^^^^^^^^^
[INFO] [stderr] 
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 1.27s
[INFO] running `"docker" "inspect" "f0ed670fa8b0c1184ee07adccac206e2b262d5987e7e684a1942e73e7eb28711"`
[INFO] running `"docker" "rm" "-f" "f0ed670fa8b0c1184ee07adccac206e2b262d5987e7e684a1942e73e7eb28711"`
[INFO] [stdout] f0ed670fa8b0c1184ee07adccac206e2b262d5987e7e684a1942e73e7eb28711
[INFO] running `"docker" "create" "-v" "/mnt/big/crater/work/local/target-dirs/beta-1.38-1/worker-0/1.37.0:/opt/crater/target:rw,Z" "-v" "/mnt/big/crater/work/ex/beta-1.38-1/sources/1.37.0/gh/aunpyz/RustMapReduce:/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] 1ac157f11ea7943a75d16fc02f5c9e0e2cd671033fc72d5bb1fd2cd86d273f59
[INFO] running `"docker" "start" "-a" "1ac157f11ea7943a75d16fc02f5c9e0e2cd671033fc72d5bb1fd2cd86d273f59"`
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 0.03s
[INFO] [stderr]      Running /opt/crater/target/debug/deps/map_reduce-452503b314aa6e4d
[INFO] [stderr]      Running /opt/crater/target/debug/deps/map_reduce-50b134042d1c7557
[INFO] [stdout] 
[INFO] [stdout] running 1 test
[INFO] [stdout] test blank_data ... ok
[INFO] [stdout] 
[INFO] [stdout] test result: ok. 1 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 map_reduce
[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" "1ac157f11ea7943a75d16fc02f5c9e0e2cd671033fc72d5bb1fd2cd86d273f59"`
[INFO] running `"docker" "rm" "-f" "1ac157f11ea7943a75d16fc02f5c9e0e2cd671033fc72d5bb1fd2cd86d273f59"`
[INFO] [stdout] 1ac157f11ea7943a75d16fc02f5c9e0e2cd671033fc72d5bb1fd2cd86d273f59