[INFO] crate mapreduce 0.1.0 is already in cache [INFO] extracting crate mapreduce 0.1.0 into work/ex/pr-60944/sources/master#589beb979c0f1a9736e02e578913db88398c3ba5/reg/mapreduce/0.1.0 [INFO] extracting crate mapreduce 0.1.0 into work/ex/pr-60944/sources/try#42445ded8fd34235a676755cb5d079658ed51f6a/reg/mapreduce/0.1.0 [INFO] validating manifest of mapreduce-0.1.0 on toolchain master#589beb979c0f1a9736e02e578913db88398c3ba5 [INFO] running `"/mnt/crater-raid/crater/work/local/cargo-home/bin/cargo" "+589beb979c0f1a9736e02e578913db88398c3ba5-alt" "read-manifest" "--manifest-path" "Cargo.toml"` [INFO] validating manifest of mapreduce-0.1.0 on toolchain try#42445ded8fd34235a676755cb5d079658ed51f6a [INFO] running `"/mnt/crater-raid/crater/work/local/cargo-home/bin/cargo" "+42445ded8fd34235a676755cb5d079658ed51f6a-alt" "read-manifest" "--manifest-path" "Cargo.toml"` [INFO] started frobbing mapreduce-0.1.0 [INFO] finished frobbing mapreduce-0.1.0 [INFO] frobbed toml for mapreduce-0.1.0 written to work/ex/pr-60944/sources/master#589beb979c0f1a9736e02e578913db88398c3ba5/reg/mapreduce/0.1.0/Cargo.toml [INFO] started frobbing mapreduce-0.1.0 [INFO] finished frobbing mapreduce-0.1.0 [INFO] frobbed toml for mapreduce-0.1.0 written to work/ex/pr-60944/sources/try#42445ded8fd34235a676755cb5d079658ed51f6a/reg/mapreduce/0.1.0/Cargo.toml [INFO] running `"/mnt/crater-raid/crater/work/local/cargo-home/bin/cargo" "+589beb979c0f1a9736e02e578913db88398c3ba5-alt" "generate-lockfile" "--manifest-path" "Cargo.toml" "-Zno-index-update"` [INFO] running `"/mnt/crater-raid/crater/work/local/cargo-home/bin/cargo" "+42445ded8fd34235a676755cb5d079658ed51f6a-alt" "generate-lockfile" "--manifest-path" "Cargo.toml" "-Zno-index-update"` [INFO] running `"/mnt/crater-raid/crater/work/local/cargo-home/bin/cargo" "+589beb979c0f1a9736e02e578913db88398c3ba5-alt" "fetch" "--locked" "--manifest-path" "Cargo.toml"` [INFO] [stderr] Blocking waiting for file lock on package cache lock [INFO] [stderr] Blocking waiting for file lock on package cache lock [INFO] running `"/mnt/crater-raid/crater/work/local/cargo-home/bin/cargo" "+42445ded8fd34235a676755cb5d079658ed51f6a-alt" "fetch" "--locked" "--manifest-path" "Cargo.toml"` [INFO] checking mapreduce-0.1.0 against master#589beb979c0f1a9736e02e578913db88398c3ba5 for pr-60944 [INFO] running `"docker" "create" "-v" "/mnt/crater-raid/crater/work/local/target-dirs/pr-60944/worker-7/master#589beb979c0f1a9736e02e578913db88398c3ba5:/opt/crater/target:rw,Z" "-v" "/mnt/crater-raid/crater/work/ex/pr-60944/sources/master#589beb979c0f1a9736e02e578913db88398c3ba5/reg/mapreduce/0.1.0:/opt/crater/workdir:ro,Z" "-v" "/mnt/crater-raid/crater/work/local/cargo-home:/opt/crater/cargo-home:ro,Z" "-v" "/mnt/crater-raid/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" "+589beb979c0f1a9736e02e578913db88398c3ba5-alt" "check" "--frozen" "--all" "--all-targets"` [INFO] [stdout] 096a6d8ac71086359323938ba905fba195020eba17054c255b049ec9fff2bb5f [INFO] running `"docker" "start" "-a" "096a6d8ac71086359323938ba905fba195020eba17054c255b049ec9fff2bb5f"` [INFO] [stderr] Checking mapreduce v0.1.0 (/opt/crater/workdir) [INFO] [stderr] warning: unused variable: `ch` [INFO] [stderr] --> src/mapreduce.rs:27:13 [INFO] [stderr] | [INFO] [stderr] 27 | fn drain(ch:Receiver){ [INFO] [stderr] | ^^ help: consider prefixing with an underscore: `_ch` [INFO] [stderr] | [INFO] [stderr] = note: #[warn(unused_variables)] on by default [INFO] [stderr] [INFO] [stderr] warning: private type `mapreduce::MapReduceOption` in public interface (error E0446) [INFO] [stderr] --> src/mapreduce.rs:16:1 [INFO] [stderr] | [INFO] [stderr] 16 | pub type Option = fn(opts: &mut MapReduceOption); [INFO] [stderr] | ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^ [INFO] [stderr] | [INFO] [stderr] = note: #[warn(private_in_public)] on by default [INFO] [stderr] = warning: this was previously accepted by the compiler but is being phased out; it will become a hard error in a future release! [INFO] [stderr] = note: for more information, see issue #34537 [INFO] [stderr] [INFO] [stderr] warning: function is never used: `drain` [INFO] [stderr] --> src/mapreduce.rs:27:1 [INFO] [stderr] | [INFO] [stderr] 27 | fn drain(ch:Receiver){ [INFO] [stderr] | ^^^^^^^^^^^^^^^^^^^^^^^^^^^ [INFO] [stderr] | [INFO] [stderr] = note: #[warn(dead_code)] on by default [INFO] [stderr] [INFO] [stderr] warning: unused variable: `ch` [INFO] [stderr] --> src/mapreduce.rs:27:13 [INFO] [stderr] | [INFO] [stderr] 27 | fn drain(ch:Receiver){ [INFO] [stderr] | ^^ help: consider prefixing with an underscore: `_ch` [INFO] [stderr] | [INFO] [stderr] = note: #[warn(unused_variables)] on by default [INFO] [stderr] [INFO] [stderr] warning: private type `mapreduce::MapReduceOption` in public interface (error E0446) [INFO] [stderr] --> src/mapreduce.rs:16:1 [INFO] [stderr] | [INFO] [stderr] 16 | pub type Option = fn(opts: &mut MapReduceOption); [INFO] [stderr] | ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^ [INFO] [stderr] | [INFO] [stderr] = note: #[warn(private_in_public)] on by default [INFO] [stderr] = warning: this was previously accepted by the compiler but is being phased out; it will become a hard error in a future release! [INFO] [stderr] = note: for more information, see issue #34537 [INFO] [stderr] [INFO] [stderr] warning: function is never used: `drain` [INFO] [stderr] --> src/mapreduce.rs:27:1 [INFO] [stderr] | [INFO] [stderr] 27 | fn drain(ch:Receiver){ [INFO] [stderr] | ^^^^^^^^^^^^^^^^^^^^^^^^^^^ [INFO] [stderr] | [INFO] [stderr] = note: #[warn(dead_code)] on by default [INFO] [stderr] [INFO] [stderr] Finished dev [unoptimized + debuginfo] target(s) in 0.54s [INFO] running `"docker" "inspect" "096a6d8ac71086359323938ba905fba195020eba17054c255b049ec9fff2bb5f"` [INFO] running `"docker" "rm" "-f" "096a6d8ac71086359323938ba905fba195020eba17054c255b049ec9fff2bb5f"` [INFO] [stdout] 096a6d8ac71086359323938ba905fba195020eba17054c255b049ec9fff2bb5f