[INFO] updating cached repository https://github.com/aunpyz/RustMapReduce [INFO] running `"git" "-c" "credential.helper=" "-c" "credential.helper=/workspace/cargo-home/bin/git-credential-null" "-c" "remote.origin.fetch=refs/heads/*:refs/heads/*" "fetch" "origin" "--force" "--prune"` [INFO] running `"git" "rev-parse" "HEAD"` [INFO] [stdout] 56cb693a6806b982f3bd91ca60056a1012a45b71 [INFO] checking aunpyz/RustMapReduce against try#e4dba30b9b475d8750370c4dfb49b6541990904d for pr-71393 [INFO] running `"git" "clone" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Faunpyz%2FRustMapReduce" "/workspace/builds/worker-13/source"` [INFO] [stderr] Cloning into '/workspace/builds/worker-13/source'... [INFO] [stderr] done. [INFO] validating manifest of git repo https://github.com/aunpyz/RustMapReduce on toolchain e4dba30b9b475d8750370c4dfb49b6541990904d [INFO] running `"/workspace/cargo-home/bin/cargo" "+e4dba30b9b475d8750370c4dfb49b6541990904d" "read-manifest" "--manifest-path" "Cargo.toml"` [INFO] started tweaking git repo https://github.com/aunpyz/RustMapReduce [INFO] finished tweaking git repo https://github.com/aunpyz/RustMapReduce [INFO] tweaked toml for git repo https://github.com/aunpyz/RustMapReduce written to /workspace/builds/worker-13/source/Cargo.toml [INFO] crate git repo https://github.com/aunpyz/RustMapReduce already has a lockfile, it will not be regenerated [INFO] running `"/workspace/cargo-home/bin/cargo" "+e4dba30b9b475d8750370c4dfb49b6541990904d" "fetch" "--locked" "--manifest-path" "Cargo.toml"` [INFO] running `"docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-13/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-13/source:/opt/rustwide/workdir:ro,Z" "-v" "/var/lib/crater-agent-workspace/cargo-home:/opt/rustwide/cargo-home:ro,Z" "-v" "/var/lib/crater-agent-workspace/rustup-home:/opt/rustwide/rustup-home:ro,Z" "-e" "SOURCE_DIR=/opt/rustwide/workdir" "-e" "MAP_USER_ID=0" "-e" "CARGO_TARGET_DIR=/opt/rustwide/target" "-e" "CARGO_INCREMENTAL=0" "-e" "RUST_BACKTRACE=full" "-e" "RUSTFLAGS=--cap-lints=forbid" "-e" "CARGO_HOME=/opt/rustwide/cargo-home" "-e" "RUSTUP_HOME=/opt/rustwide/rustup-home" "-w" "/opt/rustwide/workdir" "-m" "1610612736" "--network" "none" "rustops/crates-build-env" "/opt/rustwide/cargo-home/bin/cargo" "+e4dba30b9b475d8750370c4dfb49b6541990904d" "check" "--frozen" "--all" "--all-targets"` [INFO] [stdout] ab7d207eb31177621bf3891a96f592990ca9cf7bbf483b3570b237500bacb72b [INFO] [stderr] WARNING: Your kernel does not support swap limit capabilities or the cgroup is not mounted. Memory limited without swap. [INFO] running `"docker" "start" "-a" "ab7d207eb31177621bf3891a96f592990ca9cf7bbf483b3570b237500bacb72b"` [INFO] [stderr] Checking map_reduce v0.1.0 (/opt/rustwide/workdir) [INFO] [stderr] warning: function is never used: `map` [INFO] [stderr] --> src/lib.rs:50:4 [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:54:4 [INFO] [stderr] | [INFO] [stderr] 54 | fn reduce() { [INFO] [stderr] | ^^^^^^ [INFO] [stderr] [INFO] [stderr] warning: 2 warnings emitted [INFO] [stderr] [INFO] [stderr] warning: function is never used: `map` [INFO] [stderr] --> src/lib.rs:50:4 [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:54:4 [INFO] [stderr] | [INFO] [stderr] 54 | fn reduce() { [INFO] [stderr] | ^^^^^^ [INFO] [stderr] [INFO] [stderr] warning: 2 warnings emitted [INFO] [stderr] [INFO] [stderr] Finished dev [unoptimized + debuginfo] target(s) in 0.92s [INFO] running `"docker" "inspect" "ab7d207eb31177621bf3891a96f592990ca9cf7bbf483b3570b237500bacb72b"` [INFO] running `"docker" "rm" "-f" "ab7d207eb31177621bf3891a96f592990ca9cf7bbf483b3570b237500bacb72b"` [INFO] [stdout] ab7d207eb31177621bf3891a96f592990ca9cf7bbf483b3570b237500bacb72b