[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] checking realaravinth/map-reduce-count-distinct against try#b1375b2484512d46eeace16657e5b4a5450c610b for pr-112743 [INFO] running `Command { std: "git" "clone" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Frealaravinth%2Fmap-reduce-count-distinct" "/workspace/builds/worker-4-tc2/source", kill_on_drop: false }` [INFO] [stderr] Cloning into '/workspace/builds/worker-4-tc2/source'... [INFO] [stderr] done. [INFO] validating manifest of git repo https://github.com/realaravinth/map-reduce-count-distinct on toolchain b1375b2484512d46eeace16657e5b4a5450c610b [INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+b1375b2484512d46eeace16657e5b4a5450c610b" "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-4-tc2/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: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+b1375b2484512d46eeace16657e5b4a5450c610b" "fetch" "--manifest-path" "Cargo.toml", kill_on_drop: false }` [INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-4-tc2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-4-tc2/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@sha256:19e73879b68f455e41552ea35293514db52ea292d993f571636dbffedb77a1ee" "/opt/rustwide/cargo-home/bin/cargo" "+b1375b2484512d46eeace16657e5b4a5450c610b" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }` [INFO] [stdout] 7a4b76d2ead2bd9a4820f0aa2ac4a34bc751556ae86bddeea92ed8c21a70107b [INFO] running `Command { std: "docker" "start" "-a" "7a4b76d2ead2bd9a4820f0aa2ac4a34bc751556ae86bddeea92ed8c21a70107b", kill_on_drop: false }` [INFO] running `Command { std: "docker" "inspect" "7a4b76d2ead2bd9a4820f0aa2ac4a34bc751556ae86bddeea92ed8c21a70107b", kill_on_drop: false }` [INFO] running `Command { std: "docker" "rm" "-f" "7a4b76d2ead2bd9a4820f0aa2ac4a34bc751556ae86bddeea92ed8c21a70107b", kill_on_drop: false }` [INFO] [stdout] 7a4b76d2ead2bd9a4820f0aa2ac4a34bc751556ae86bddeea92ed8c21a70107b [INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-4-tc2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-4-tc2/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=forbid" "-e" "RUSTDOCFLAGS=--cap-lints=forbid" "-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@sha256:19e73879b68f455e41552ea35293514db52ea292d993f571636dbffedb77a1ee" "/opt/rustwide/cargo-home/bin/cargo" "+b1375b2484512d46eeace16657e5b4a5450c610b" "check" "--frozen" "--all" "--all-targets" "--message-format=json", kill_on_drop: false }` [INFO] [stdout] 2d86b000d9cee21561b539e00e7503b5d596f03745cacc6eb8cdf6f821d44fb3 [INFO] running `Command { std: "docker" "start" "-a" "2d86b000d9cee21561b539e00e7503b5d596f03745cacc6eb8cdf6f821d44fb3", kill_on_drop: false }` [INFO] [stderr] Compiling autocfg v1.0.1 [INFO] [stderr] Compiling libc v0.2.93 [INFO] [stderr] Compiling proc-macro2 v1.0.26 [INFO] [stderr] Compiling unicode-xid v0.2.1 [INFO] [stderr] Compiling syn v1.0.70 [INFO] [stderr] Checking once_cell v1.7.2 [INFO] [stderr] Compiling proc-macro-hack v0.5.19 [INFO] [stderr] Compiling memchr v2.3.4 [INFO] [stderr] Compiling proc-macro-nested v0.1.7 [INFO] [stderr] Compiling rayon-core v1.9.0 [INFO] [stderr] Checking pin-project-lite v0.2.6 [INFO] [stderr] Compiling getrandom v0.2.2 [INFO] [stderr] Checking futures-sink v0.3.14 [INFO] [stderr] Compiling fs_extra v1.2.0 [INFO] [stderr] Compiling version_check v0.9.3 [INFO] [stderr] Compiling log v0.4.14 [INFO] [stderr] Compiling cc v1.0.67 [INFO] [stderr] Checking futures-core v0.3.14 [INFO] [stderr] Compiling slog v2.7.0 [INFO] [stderr] Checking instant v0.1.9 [INFO] [stderr] Checking futures-channel v0.3.14 [INFO] [stderr] Checking futures-task v0.3.14 [INFO] [stderr] Checking smallvec v1.6.1 [INFO] [stderr] Checking slab v0.4.3 [INFO] [stderr] Checking futures-io v0.3.14 [INFO] [stderr] Compiling ahash v0.7.2 [INFO] [stderr] Checking pin-utils v0.1.0 [INFO] [stderr] Compiling bitflags v1.2.1 [INFO] [stderr] Checking thread_local v1.1.3 [INFO] [stderr] Checking lock_api v0.4.3 [INFO] [stderr] Checking unicode-width v0.1.8 [INFO] [stderr] Checking take_mut v0.2.2 [INFO] [stderr] Checking textwrap v0.11.0 [INFO] [stderr] Checking strsim v0.8.0 [INFO] [stderr] Checking bytes v1.0.1 [INFO] [stderr] Checking ansi_term v0.11.0 [INFO] [stderr] Checking vec_map v0.8.2 [INFO] [stderr] Compiling crossbeam-utils v0.8.3 [INFO] [stderr] Compiling memoffset v0.6.3 [INFO] [stderr] Compiling num-traits v0.2.14 [INFO] [stderr] Compiling num-integer v0.1.44 [INFO] [stderr] Compiling tokio v1.5.0 [INFO] [stderr] Compiling rayon v1.5.0 [INFO] [stderr] Checking either v1.6.1 [INFO] [stderr] Compiling quote v1.0.9 [INFO] [stderr] Compiling jemalloc-sys v0.3.2 [INFO] [stderr] Checking num_cpus v1.13.0 [INFO] [stderr] Checking dirs-sys-next v0.1.2 [INFO] [stderr] Checking time v0.1.43 [INFO] [stderr] Checking parking_lot_core v0.8.3 [INFO] [stderr] Checking atty v0.2.14 [INFO] [stderr] Checking signal-hook-registry v1.3.0 [INFO] [stderr] Checking mio v0.7.11 [INFO] [stderr] Checking crossbeam-epoch v0.9.3 [INFO] [stderr] Checking crossbeam-channel v0.5.1 [INFO] [stderr] Checking clap v2.33.3 [INFO] [stderr] Checking dirs-next v2.0.0 [INFO] [stderr] Checking dashmap v4.0.2 [INFO] [stderr] Checking threadpool v1.8.1 [INFO] [stderr] Checking term v0.7.0 [INFO] [stderr] Checking parking_lot v0.11.1 [INFO] [stderr] Checking crossbeam-deque v0.8.0 [INFO] [stderr] Checking hashbrown v0.11.2 [INFO] [stderr] Checking slog-async v2.6.0 [INFO] [stderr] Checking chrono v0.4.19 [INFO] [stderr] Checking slog-term v2.8.0 [INFO] [stderr] Compiling futures-macro v0.3.14 [INFO] [stderr] Compiling tokio-macros v1.1.0 [INFO] [stderr] Checking futures-util v0.3.14 [INFO] [stderr] Checking futures-executor v0.3.14 [INFO] [stderr] Checking futures v0.3.14 [INFO] [stderr] Checking jemallocator v0.3.2 [INFO] [stderr] Checking 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: 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 `WordPair` is never constructed [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 `new` is never used [INFO] [stdout] --> src/utils.rs:58:8 [INFO] [stdout] | [INFO] [stdout] 56 | impl WordPair { [INFO] [stdout] | ------------- associated function in this implementation [INFO] [stdout] 57 | #[inline] [INFO] [stdout] 58 | fn new(word: &'static str) -> Self { [INFO] [stdout] | ^^^ [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: function `prepare_map_reduce` is never used [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] [stdout] warning: struct `WordPair` is never constructed [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 `new` is never used [INFO] [stdout] --> src/utils.rs:58:8 [INFO] [stdout] | [INFO] [stdout] 56 | impl WordPair { [INFO] [stdout] | ------------- associated function in this implementation [INFO] [stdout] 57 | #[inline] [INFO] [stdout] 58 | fn new(word: &'static str) -> Self { [INFO] [stdout] | ^^^ [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: function `prepare_map_reduce` is never used [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 19s [INFO] [stderr] warning: the following packages contain code that will be rejected by a future version of Rust: fs_extra v1.2.0 [INFO] [stderr] Blocking waiting for file lock on package cache [ERROR] error running command: no output for 300 seconds [INFO] running `Command { std: "docker" "inspect" "2d86b000d9cee21561b539e00e7503b5d596f03745cacc6eb8cdf6f821d44fb3", kill_on_drop: false }` [INFO] running `Command { std: "docker" "rm" "-f" "2d86b000d9cee21561b539e00e7503b5d596f03745cacc6eb8cdf6f821d44fb3", kill_on_drop: false }` [INFO] [stdout] 2d86b000d9cee21561b539e00e7503b5d596f03745cacc6eb8cdf6f821d44fb3