[INFO] cloning repository https://github.com/realaravinth/map-reduce-count-distinct [INFO] running `Command { std: "git" "-c" "credential.helper=" "-c" "credential.helper=/workspace/cargo-home/bin/git-credential-null" "clone" "--bare" "https://github.com/realaravinth/map-reduce-count-distinct" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Frealaravinth%2Fmap-reduce-count-distinct", kill_on_drop: false }` [INFO] [stderr] Cloning into bare repository '/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Frealaravinth%2Fmap-reduce-count-distinct'... [INFO] running `Command { std: "git" "rev-parse" "HEAD", kill_on_drop: false }` [INFO] [stdout] 10c05d6667eed5517dde5ad5368f5c69c1a31f59 [INFO] testing realaravinth/map-reduce-count-distinct against 1.55.0 for beta-1.56-1 [INFO] running `Command { std: "git" "clone" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Frealaravinth%2Fmap-reduce-count-distinct" "/workspace/builds/worker-8/source", kill_on_drop: false }` [INFO] [stderr] Cloning into '/workspace/builds/worker-8/source'... [INFO] [stderr] done. [INFO] validating manifest of git repo https://github.com/realaravinth/map-reduce-count-distinct on toolchain 1.55.0 [INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+1.55.0" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }` [INFO] started tweaking git repo https://github.com/realaravinth/map-reduce-count-distinct [INFO] finished tweaking git repo https://github.com/realaravinth/map-reduce-count-distinct [INFO] tweaked toml for git repo https://github.com/realaravinth/map-reduce-count-distinct written to /workspace/builds/worker-8/source/Cargo.toml [INFO] crate git repo https://github.com/realaravinth/map-reduce-count-distinct already has a lockfile, it will not be regenerated [INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+1.55.0" "fetch" "--manifest-path" "Cargo.toml", kill_on_drop: false }` [INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-8/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-8/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" "CARGO_TARGET_DIR=/opt/rustwide/target" "-e" "CARGO_HOME=/opt/rustwide/cargo-home" "-e" "RUSTUP_HOME=/opt/rustwide/rustup-home" "-w" "/opt/rustwide/workdir" "-m" "1610612736" "--user" "0:0" "--network" "none" "ghcr.io/rust-lang/crates-build-env/linux@sha256:a89201d6b5b9fd45c15d5952ece0a0129e7e80cb26ec023fd59cf09bc26f1604" "/opt/rustwide/cargo-home/bin/cargo" "+1.55.0" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }` [INFO] [stdout] e46e72db599486b6823c8659e6e789b5ebde7c06c733a7353892f217f591bc14 [INFO] running `Command { std: "docker" "start" "-a" "e46e72db599486b6823c8659e6e789b5ebde7c06c733a7353892f217f591bc14", kill_on_drop: false }` [INFO] running `Command { std: "docker" "inspect" "e46e72db599486b6823c8659e6e789b5ebde7c06c733a7353892f217f591bc14", kill_on_drop: false }` [INFO] running `Command { std: "docker" "rm" "-f" "e46e72db599486b6823c8659e6e789b5ebde7c06c733a7353892f217f591bc14", kill_on_drop: false }` [INFO] [stdout] e46e72db599486b6823c8659e6e789b5ebde7c06c733a7353892f217f591bc14 [INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-8/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-8/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" "CARGO_TARGET_DIR=/opt/rustwide/target" "-e" "CARGO_INCREMENTAL=0" "-e" "RUST_BACKTRACE=full" "-e" "RUSTFLAGS=--cap-lints=warn" "-e" "CARGO_HOME=/opt/rustwide/cargo-home" "-e" "RUSTUP_HOME=/opt/rustwide/rustup-home" "-w" "/opt/rustwide/workdir" "-m" "1610612736" "--user" "0:0" "--network" "none" "ghcr.io/rust-lang/crates-build-env/linux@sha256:a89201d6b5b9fd45c15d5952ece0a0129e7e80cb26ec023fd59cf09bc26f1604" "/opt/rustwide/cargo-home/bin/cargo" "+1.55.0" "build" "--frozen" "--message-format=json", kill_on_drop: false }` [INFO] [stdout] 54bfb660d4168492a465f4a74c40a6eff5b40570555b837be5de5456eae81057 [INFO] running `Command { std: "docker" "start" "-a" "54bfb660d4168492a465f4a74c40a6eff5b40570555b837be5de5456eae81057", kill_on_drop: false }` [INFO] [stderr] Compiling libc v0.2.93 [INFO] [stderr] Compiling syn v1.0.70 [INFO] [stderr] Compiling once_cell v1.7.2 [INFO] [stderr] Compiling rayon-core v1.9.0 [INFO] [stderr] Compiling fs_extra v1.2.0 [INFO] [stderr] Compiling slog v2.7.0 [INFO] [stderr] Compiling futures-sink v0.3.14 [INFO] [stderr] Compiling futures-core v0.3.14 [INFO] [stderr] Compiling futures-io v0.3.14 [INFO] [stderr] Compiling futures-task v0.3.14 [INFO] [stderr] Compiling crossbeam-utils v0.8.3 [INFO] [stderr] Compiling memoffset v0.6.3 [INFO] [stderr] Compiling ahash v0.7.2 [INFO] [stderr] Compiling rayon v1.5.0 [INFO] [stderr] Compiling lock_api v0.4.3 [INFO] [stderr] Compiling tokio v1.5.0 [INFO] [stderr] Compiling futures-channel v0.3.14 [INFO] [stderr] Compiling thread_local v1.1.3 [INFO] [stderr] Compiling jemalloc-sys v0.3.2 [INFO] [stderr] Compiling num_cpus v1.13.0 [INFO] [stderr] Compiling dirs-sys-next v0.1.2 [INFO] [stderr] Compiling time v0.1.43 [INFO] [stderr] Compiling getrandom v0.2.2 [INFO] [stderr] Compiling parking_lot_core v0.8.3 [INFO] [stderr] Compiling atty v0.2.14 [INFO] [stderr] Compiling mio v0.7.11 [INFO] [stderr] Compiling signal-hook-registry v1.3.0 [INFO] [stderr] Compiling clap v2.33.3 [INFO] [stderr] Compiling dashmap v4.0.2 [INFO] [stderr] Compiling threadpool v1.8.1 [INFO] [stderr] Compiling dirs-next v2.0.0 [INFO] [stderr] Compiling parking_lot v0.11.1 [INFO] [stderr] Compiling term v0.7.0 [INFO] [stderr] Compiling crossbeam-channel v0.5.1 [INFO] [stderr] Compiling crossbeam-epoch v0.9.3 [INFO] [stderr] Compiling hashbrown v0.11.2 [INFO] [stderr] Compiling chrono v0.4.19 [INFO] [stderr] Compiling crossbeam-deque v0.8.0 [INFO] [stderr] Compiling slog-async v2.6.0 [INFO] [stderr] Compiling slog-term v2.8.0 [INFO] [stderr] Compiling futures-macro v0.3.14 [INFO] [stderr] Compiling tokio-macros v1.1.0 [INFO] [stderr] Compiling futures-util v0.3.14 [INFO] [stderr] Compiling futures-executor v0.3.14 [INFO] [stderr] Compiling futures v0.3.14 [INFO] [stderr] Compiling jemallocator v0.3.2 [INFO] [stderr] Compiling map-reduce v0.1.0 (/opt/rustwide/workdir) [INFO] [stdout] warning: unreachable statement [INFO] [stdout] --> src/dash.rs:89:9 [INFO] [stdout] | [INFO] [stdout] 86 | / unimplemented!( [INFO] [stdout] 87 | | "threads aren't sharing hashmap in this version, shoud change that. Use locks perhaps" [INFO] [stdout] 88 | | ); [INFO] [stdout] | |__________- any code following this expression is unreachable [INFO] [stdout] 89 | let map = Map::new(); [INFO] [stdout] | ^^^^^^^^^^^^^^^^^^^^^ unreachable statement [INFO] [stdout] | [INFO] [stdout] = note: `#[warn(unreachable_code)]` on by default [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: struct is never constructed: `WordPair` [INFO] [stdout] --> src/utils.rs:54:8 [INFO] [stdout] | [INFO] [stdout] 54 | struct WordPair(&'static str, usize); [INFO] [stdout] | ^^^^^^^^ [INFO] [stdout] | [INFO] [stdout] = note: `#[warn(dead_code)]` on by default [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: associated function is never used: `new` [INFO] [stdout] --> src/utils.rs:58:8 [INFO] [stdout] | [INFO] [stdout] 58 | fn new(word: &'static str) -> Self { [INFO] [stdout] | ^^^ [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: function is never used: `prepare_map_reduce` [INFO] [stdout] --> src/utils.rs:63:8 [INFO] [stdout] | [INFO] [stdout] 63 | pub fn prepare_map_reduce() { [INFO] [stdout] | ^^^^^^^^^^^^^^^^^^ [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: 4 warnings emitted [INFO] [stdout] [INFO] [stdout] [INFO] [stderr] Finished dev [unoptimized + debuginfo] target(s) in 1m 34s [INFO] running `Command { std: "docker" "inspect" "54bfb660d4168492a465f4a74c40a6eff5b40570555b837be5de5456eae81057", kill_on_drop: false }` [INFO] running `Command { std: "docker" "rm" "-f" "54bfb660d4168492a465f4a74c40a6eff5b40570555b837be5de5456eae81057", kill_on_drop: false }` [INFO] [stdout] 54bfb660d4168492a465f4a74c40a6eff5b40570555b837be5de5456eae81057 [INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-8/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-8/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" "CARGO_TARGET_DIR=/opt/rustwide/target" "-e" "CARGO_INCREMENTAL=0" "-e" "RUST_BACKTRACE=full" "-e" "RUSTFLAGS=--cap-lints=warn" "-e" "CARGO_HOME=/opt/rustwide/cargo-home" "-e" "RUSTUP_HOME=/opt/rustwide/rustup-home" "-w" "/opt/rustwide/workdir" "-m" "1610612736" "--user" "0:0" "--network" "none" "ghcr.io/rust-lang/crates-build-env/linux@sha256:a89201d6b5b9fd45c15d5952ece0a0129e7e80cb26ec023fd59cf09bc26f1604" "/opt/rustwide/cargo-home/bin/cargo" "+1.55.0" "test" "--frozen" "--no-run" "--message-format=json", kill_on_drop: false }` [INFO] [stdout] 32cdcb2437fb5176461aaeb576b2769781293fcb13b3d2df0a074387c016f38d [INFO] running `Command { std: "docker" "start" "-a" "32cdcb2437fb5176461aaeb576b2769781293fcb13b3d2df0a074387c016f38d", kill_on_drop: false }` [INFO] [stderr] Compiling map-reduce v0.1.0 (/opt/rustwide/workdir) [INFO] [stdout] warning: unreachable statement [INFO] [stdout] --> src/dash.rs:89:9 [INFO] [stdout] | [INFO] [stdout] 86 | / unimplemented!( [INFO] [stdout] 87 | | "threads aren't sharing hashmap in this version, shoud change that. Use locks perhaps" [INFO] [stdout] 88 | | ); [INFO] [stdout] | |__________- any code following this expression is unreachable [INFO] [stdout] 89 | let map = Map::new(); [INFO] [stdout] | ^^^^^^^^^^^^^^^^^^^^^ unreachable statement [INFO] [stdout] | [INFO] [stdout] = note: `#[warn(unreachable_code)]` on by default [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: struct is never constructed: `WordPair` [INFO] [stdout] --> src/utils.rs:54:8 [INFO] [stdout] | [INFO] [stdout] 54 | struct WordPair(&'static str, usize); [INFO] [stdout] | ^^^^^^^^ [INFO] [stdout] | [INFO] [stdout] = note: `#[warn(dead_code)]` on by default [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: associated function is never used: `new` [INFO] [stdout] --> src/utils.rs:58:8 [INFO] [stdout] | [INFO] [stdout] 58 | fn new(word: &'static str) -> Self { [INFO] [stdout] | ^^^ [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: function is never used: `prepare_map_reduce` [INFO] [stdout] --> src/utils.rs:63:8 [INFO] [stdout] | [INFO] [stdout] 63 | pub fn prepare_map_reduce() { [INFO] [stdout] | ^^^^^^^^^^^^^^^^^^ [INFO] [stdout] [INFO] [stdout] [INFO] [stderr] Finished test [unoptimized + debuginfo] target(s) in 1.37s [INFO] [stdout] warning: 4 warnings emitted [INFO] [stdout] [INFO] [stdout] [INFO] running `Command { std: "docker" "inspect" "32cdcb2437fb5176461aaeb576b2769781293fcb13b3d2df0a074387c016f38d", kill_on_drop: false }` [INFO] running `Command { std: "docker" "rm" "-f" "32cdcb2437fb5176461aaeb576b2769781293fcb13b3d2df0a074387c016f38d", kill_on_drop: false }` [INFO] [stdout] 32cdcb2437fb5176461aaeb576b2769781293fcb13b3d2df0a074387c016f38d [INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-8/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-8/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" "CARGO_TARGET_DIR=/opt/rustwide/target" "-e" "CARGO_INCREMENTAL=0" "-e" "RUST_BACKTRACE=full" "-e" "RUSTFLAGS=--cap-lints=warn" "-e" "CARGO_HOME=/opt/rustwide/cargo-home" "-e" "RUSTUP_HOME=/opt/rustwide/rustup-home" "-w" "/opt/rustwide/workdir" "-m" "1610612736" "--user" "0:0" "--network" "none" "ghcr.io/rust-lang/crates-build-env/linux@sha256:a89201d6b5b9fd45c15d5952ece0a0129e7e80cb26ec023fd59cf09bc26f1604" "/opt/rustwide/cargo-home/bin/cargo" "+1.55.0" "test" "--frozen", kill_on_drop: false }` [INFO] [stdout] 1fea09e2b3d86fb19c037a15550413f2e156b80b594f0366f9935ffbc54ea276 [INFO] running `Command { std: "docker" "start" "-a" "1fea09e2b3d86fb19c037a15550413f2e156b80b594f0366f9935ffbc54ea276", kill_on_drop: false }` [INFO] [stdout] [INFO] [stderr] warning: unreachable statement [INFO] [stdout] running 0 tests [INFO] [stderr] --> src/dash.rs:89:9 [INFO] [stdout] [INFO] [stderr] | [INFO] [stdout] test result: ok. 0 passed; 0 failed; 0 ignored; 0 measured; 0 filtered out; finished in 0.00s [INFO] [stderr] 86 | / unimplemented!( [INFO] [stdout] [INFO] [stderr] 87 | | "threads aren't sharing hashmap in this version, shoud change that. Use locks perhaps" [INFO] [stderr] 88 | | ); [INFO] [stderr] | |__________- any code following this expression is unreachable [INFO] [stderr] 89 | let map = Map::new(); [INFO] [stderr] | ^^^^^^^^^^^^^^^^^^^^^ unreachable statement [INFO] [stderr] | [INFO] [stderr] = note: `#[warn(unreachable_code)]` on by default [INFO] [stderr] [INFO] [stderr] warning: struct is never constructed: `WordPair` [INFO] [stderr] --> src/utils.rs:54:8 [INFO] [stderr] | [INFO] [stderr] 54 | struct WordPair(&'static str, usize); [INFO] [stderr] | ^^^^^^^^ [INFO] [stderr] | [INFO] [stderr] = note: `#[warn(dead_code)]` on by default [INFO] [stderr] [INFO] [stderr] warning: associated function is never used: `new` [INFO] [stderr] --> src/utils.rs:58:8 [INFO] [stderr] | [INFO] [stderr] 58 | fn new(word: &'static str) -> Self { [INFO] [stderr] | ^^^ [INFO] [stderr] [INFO] [stderr] warning: function is never used: `prepare_map_reduce` [INFO] [stderr] --> src/utils.rs:63:8 [INFO] [stderr] | [INFO] [stderr] 63 | pub fn prepare_map_reduce() { [INFO] [stderr] | ^^^^^^^^^^^^^^^^^^ [INFO] [stderr] [INFO] [stderr] warning: `map-reduce` (bin "map-reduce" test) generated 4 warnings [INFO] [stderr] Finished test [unoptimized + debuginfo] target(s) in 0.08s [INFO] [stderr] Running unittests (/opt/rustwide/target/debug/deps/map_reduce-4da4ab82b5366b96) [INFO] running `Command { std: "docker" "inspect" "1fea09e2b3d86fb19c037a15550413f2e156b80b594f0366f9935ffbc54ea276", kill_on_drop: false }` [INFO] running `Command { std: "docker" "rm" "-f" "1fea09e2b3d86fb19c037a15550413f2e156b80b594f0366f9935ffbc54ea276", kill_on_drop: false }` [INFO] [stdout] 1fea09e2b3d86fb19c037a15550413f2e156b80b594f0366f9935ffbc54ea276