[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] documenting realaravinth/map-reduce-count-distinct against master#e1df625306f4136949e02612406f0c60df6008f3 for pr-96676 [INFO] running `Command { std: "git" "clone" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Frealaravinth%2Fmap-reduce-count-distinct" "/workspace/builds/worker-57/source", kill_on_drop: false }` [INFO] [stderr] Cloning into '/workspace/builds/worker-57/source'... [INFO] [stderr] done. [INFO] validating manifest of git repo https://github.com/realaravinth/map-reduce-count-distinct on toolchain e1df625306f4136949e02612406f0c60df6008f3 [INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+e1df625306f4136949e02612406f0c60df6008f3" "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-57/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" "+e1df625306f4136949e02612406f0c60df6008f3" "fetch" "--manifest-path" "Cargo.toml", kill_on_drop: false }` [INFO] [stderr] Blocking waiting for file lock on package cache [INFO] [stderr] Blocking waiting for file lock on package cache [INFO] [stderr] Downloading crates ... [INFO] [stderr] Downloaded slog-async v2.6.0 [INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-57/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-57/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:d190cb871061d98bc6d0581d85cb2ecb09a0f8a142ba5463de30be9999fc3251" "/opt/rustwide/cargo-home/bin/cargo" "+e1df625306f4136949e02612406f0c60df6008f3" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }` [INFO] [stdout] 33e3c09129a9592de2625a523771e9adc718818f94f350016bec0a1fa7d092a4 [INFO] running `Command { std: "docker" "start" "-a" "33e3c09129a9592de2625a523771e9adc718818f94f350016bec0a1fa7d092a4", kill_on_drop: false }` [INFO] running `Command { std: "docker" "inspect" "33e3c09129a9592de2625a523771e9adc718818f94f350016bec0a1fa7d092a4", kill_on_drop: false }` [INFO] running `Command { std: "docker" "rm" "-f" "33e3c09129a9592de2625a523771e9adc718818f94f350016bec0a1fa7d092a4", kill_on_drop: false }` [INFO] [stdout] 33e3c09129a9592de2625a523771e9adc718818f94f350016bec0a1fa7d092a4 [INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-57/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-57/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" "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:d190cb871061d98bc6d0581d85cb2ecb09a0f8a142ba5463de30be9999fc3251" "/opt/rustwide/cargo-home/bin/cargo" "+e1df625306f4136949e02612406f0c60df6008f3" "doc" "--frozen" "--no-deps" "--document-private-items" "--message-format=json", kill_on_drop: false }` [INFO] [stdout] 89380645ca8bef0aaebd00b7bc7e7b02f6e3daa8569fb8f91025fe3f7aec8e2d [INFO] running `Command { std: "docker" "start" "-a" "89380645ca8bef0aaebd00b7bc7e7b02f6e3daa8569fb8f91025fe3f7aec8e2d", kill_on_drop: false }` [INFO] [stderr] Blocking waiting for file lock on package cache [INFO] [stderr] Compiling libc v0.2.93 [INFO] [stderr] Compiling autocfg v1.0.1 [INFO] [stderr] Checking cfg-if v1.0.0 [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 scopeguard v1.1.0 [INFO] [stderr] Checking lazy_static v1.4.0 [INFO] [stderr] Checking once_cell v1.7.2 [INFO] [stderr] Compiling memchr v2.3.4 [INFO] [stderr] Compiling proc-macro-hack v0.5.19 [INFO] [stderr] Compiling proc-macro-nested v0.1.7 [INFO] [stderr] Checking futures-core v0.3.14 [INFO] [stderr] Compiling cc v1.0.67 [INFO] [stderr] Compiling getrandom v0.2.2 [INFO] [stderr] Checking pin-project-lite v0.2.6 [INFO] [stderr] Compiling fs_extra v1.2.0 [INFO] [stderr] Checking futures-sink v0.3.14 [INFO] [stderr] Compiling log v0.4.14 [INFO] [stderr] Compiling version_check v0.9.3 [INFO] [stderr] Compiling slog v2.7.0 [INFO] [stderr] Compiling rayon-core v1.9.0 [INFO] [stderr] Checking slab v0.4.3 [INFO] [stderr] Checking futures-io v0.3.14 [INFO] [stderr] Checking smallvec v1.6.1 [INFO] [stderr] Compiling bitflags v1.2.1 [INFO] [stderr] Checking futures-task v0.3.14 [INFO] [stderr] Checking pin-utils v0.1.0 [INFO] [stderr] Checking unicode-width v0.1.8 [INFO] [stderr] Checking ansi_term v0.11.0 [INFO] [stderr] Checking vec_map v0.8.2 [INFO] [stderr] Checking either v1.6.1 [INFO] [stderr] Checking strsim v0.8.0 [INFO] [stderr] Checking take_mut v0.2.2 [INFO] [stderr] Checking bytes v1.0.1 [INFO] [stderr] Checking instant v0.1.9 [INFO] [stderr] Checking lock_api v0.4.3 [INFO] [stderr] Checking futures-channel v0.3.14 [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 rayon v1.5.0 [INFO] [stderr] Compiling tokio v1.5.0 [INFO] [stderr] Checking textwrap v0.11.0 [INFO] [stderr] Checking thread_local v1.1.3 [INFO] [stderr] Compiling ahash v0.7.2 [INFO] [stderr] Compiling jemalloc-sys v0.3.2 [INFO] [stderr] Compiling quote v1.0.9 [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 parking_lot v0.11.1 [INFO] [stderr] Checking crossbeam-epoch v0.9.3 [INFO] [stderr] Checking crossbeam-channel v0.5.1 [INFO] [stderr] Checking chrono v0.4.19 [INFO] [stderr] Checking crossbeam-deque v0.8.0 [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 slog-async v2.6.0 [INFO] [stderr] Checking term v0.7.0 [INFO] [stderr] Checking hashbrown v0.11.2 [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] Documenting map-reduce v0.1.0 (/opt/rustwide/workdir) [INFO] [stderr] Finished dev [unoptimized + debuginfo] target(s) in 3m 09s [INFO] running `Command { std: "docker" "inspect" "89380645ca8bef0aaebd00b7bc7e7b02f6e3daa8569fb8f91025fe3f7aec8e2d", kill_on_drop: false }` [INFO] running `Command { std: "docker" "rm" "-f" "89380645ca8bef0aaebd00b7bc7e7b02f6e3daa8569fb8f91025fe3f7aec8e2d", kill_on_drop: false }` [INFO] [stdout] 89380645ca8bef0aaebd00b7bc7e7b02f6e3daa8569fb8f91025fe3f7aec8e2d