[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/pr-63565/sources/master#c43d03a19f326f4a323569328cc501e86eb6d22e/gh/aunpyz/RustMapReduce"`
[INFO] [stderr] Cloning into 'work/ex/pr-63565/sources/master#c43d03a19f326f4a323569328cc501e86eb6d22e/gh/aunpyz/RustMapReduce'...
[INFO] [stderr] done.
[INFO] running `"git" "clone" "work/cache/sources/gh/aunpyz/RustMapReduce" "work/ex/pr-63565/sources/try#75eff020d0923c035c2fe220db4a0465cd847048/gh/aunpyz/RustMapReduce"`
[INFO] [stderr] Cloning into 'work/ex/pr-63565/sources/try#75eff020d0923c035c2fe220db4a0465cd847048/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 master#c43d03a19f326f4a323569328cc501e86eb6d22e
[INFO] running `"/mnt/big/crater/work/local/cargo-home/bin/cargo" "+c43d03a19f326f4a323569328cc501e86eb6d22e-alt" "read-manifest" "--manifest-path" "Cargo.toml"`
[INFO] validating manifest of aunpyz/RustMapReduce on toolchain try#75eff020d0923c035c2fe220db4a0465cd847048
[INFO] running `"/mnt/big/crater/work/local/cargo-home/bin/cargo" "+75eff020d0923c035c2fe220db4a0465cd847048-alt" "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/pr-63565/sources/master#c43d03a19f326f4a323569328cc501e86eb6d22e/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/pr-63565/sources/try#75eff020d0923c035c2fe220db4a0465cd847048/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" "+c43d03a19f326f4a323569328cc501e86eb6d22e-alt" "fetch" "--locked" "--manifest-path" "Cargo.toml"`
[INFO] running `"/mnt/big/crater/work/local/cargo-home/bin/cargo" "+75eff020d0923c035c2fe220db4a0465cd847048-alt" "fetch" "--locked" "--manifest-path" "Cargo.toml"`
[INFO] [stderr]     Blocking waiting for file lock on package cache
[INFO] checking aunpyz/RustMapReduce against try#75eff020d0923c035c2fe220db4a0465cd847048 for pr-63565
[INFO] running `"docker" "create" "-v" "/mnt/big/crater/work/local/target-dirs/pr-63565/worker-7/try#75eff020d0923c035c2fe220db4a0465cd847048:/opt/crater/target:rw,Z" "-v" "/mnt/big/crater/work/ex/pr-63565/sources/try#75eff020d0923c035c2fe220db4a0465cd847048/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=forbid" "-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" "+75eff020d0923c035c2fe220db4a0465cd847048-alt" "check" "--frozen" "--all" "--all-targets"`
[INFO] [stdout] b3d1b9bb9a5c0a4f2ed1d6363ac83d6c8745d27d222ab2737aff405a8f2a8828
[INFO] running `"docker" "start" "-a" "b3d1b9bb9a5c0a4f2ed1d6363ac83d6c8745d27d222ab2737aff405a8f2a8828"`
[INFO] [stderr]     Checking 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] 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 0.99s
[INFO] running `"docker" "inspect" "b3d1b9bb9a5c0a4f2ed1d6363ac83d6c8745d27d222ab2737aff405a8f2a8828"`
[INFO] running `"docker" "rm" "-f" "b3d1b9bb9a5c0a4f2ed1d6363ac83d6c8745d27d222ab2737aff405a8f2a8828"`
[INFO] [stdout] b3d1b9bb9a5c0a4f2ed1d6363ac83d6c8745d27d222ab2737aff405a8f2a8828