[INFO] cloning repository https://github.com/pnehrer/hyper-flush-demo [INFO] running `Command { std: "git" "-c" "credential.helper=" "-c" "credential.helper=/workspace/cargo-home/bin/git-credential-null" "clone" "--bare" "https://github.com/pnehrer/hyper-flush-demo" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fpnehrer%2Fhyper-flush-demo", kill_on_drop: false }` [INFO] [stderr] Cloning into bare repository '/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fpnehrer%2Fhyper-flush-demo'... [INFO] running `Command { std: "git" "rev-parse" "HEAD", kill_on_drop: false }` [INFO] [stdout] 2dd6c51408087ce48d92bdd3ab0bfa3749332c25 [INFO] documenting pnehrer/hyper-flush-demo against beta-2020-08-29 for beta-1.47-rustdoc-1 [INFO] running `Command { std: "git" "clone" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fpnehrer%2Fhyper-flush-demo" "/workspace/builds/worker-4/source", kill_on_drop: false }` [INFO] [stderr] Cloning into '/workspace/builds/worker-4/source'... [INFO] [stderr] done. [INFO] validating manifest of git repo https://github.com/pnehrer/hyper-flush-demo on toolchain beta-2020-08-29 [INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+beta-2020-08-29" "read-manifest" "--manifest-path" "Cargo.toml", kill_on_drop: false }` [INFO] started tweaking git repo https://github.com/pnehrer/hyper-flush-demo [INFO] finished tweaking git repo https://github.com/pnehrer/hyper-flush-demo [INFO] tweaked toml for git repo https://github.com/pnehrer/hyper-flush-demo written to /workspace/builds/worker-4/source/Cargo.toml [INFO] crate git repo https://github.com/pnehrer/hyper-flush-demo already has a lockfile, it will not be regenerated [INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+beta-2020-08-29" "fetch" "--locked" "--manifest-path" "Cargo.toml", kill_on_drop: false }` [INFO] [stderr] Downloading crates ... [INFO] [stderr] Downloaded tracing-attributes v0.1.4 [INFO] [stderr] Downloaded retain_mut v0.1.0 [INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-4/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-4/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" "rustops/crates-build-env@sha256:d92eaeed33fa75130ca1ee6c8a01d1ffb62bac859dfdfb3450e3e5d1c0146529" "/opt/rustwide/cargo-home/bin/cargo" "+beta-2020-08-29" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }` [INFO] [stdout] 51be8a7ab048723d5f0693aee09738e38b63d109d589facbb49e195dfe1145d4 [INFO] [stderr] WARNING: Your kernel does not support swap limit capabilities or the cgroup is not mounted. Memory limited without swap. [INFO] running `Command { std: "docker" "start" "-a" "51be8a7ab048723d5f0693aee09738e38b63d109d589facbb49e195dfe1145d4", kill_on_drop: false }` [INFO] running `Command { std: "docker" "inspect" "51be8a7ab048723d5f0693aee09738e38b63d109d589facbb49e195dfe1145d4", kill_on_drop: false }` [INFO] running `Command { std: "docker" "rm" "-f" "51be8a7ab048723d5f0693aee09738e38b63d109d589facbb49e195dfe1145d4", kill_on_drop: false }` [INFO] [stdout] 51be8a7ab048723d5f0693aee09738e38b63d109d589facbb49e195dfe1145d4 [INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-4/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-4/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=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" "rustops/crates-build-env@sha256:d92eaeed33fa75130ca1ee6c8a01d1ffb62bac859dfdfb3450e3e5d1c0146529" "/opt/rustwide/cargo-home/bin/cargo" "+beta-2020-08-29" "doc" "--frozen" "--no-deps" "--document-private-items" "--message-format=json", kill_on_drop: false }` [INFO] [stdout] 2e359642909e5e1a0e5580b746e094358cf2c10c09d69bf7de5e860e45b4674b [INFO] [stderr] WARNING: Your kernel does not support swap limit capabilities or the cgroup is not mounted. Memory limited without swap. [INFO] running `Command { std: "docker" "start" "-a" "2e359642909e5e1a0e5580b746e094358cf2c10c09d69bf7de5e860e45b4674b", kill_on_drop: false }` [INFO] [stderr] Compiling syn v1.0.5 [INFO] [stderr] Checking futures-core-preview v0.3.0-alpha.19 [INFO] [stderr] Checking futures-sink-preview v0.3.0-alpha.19 [INFO] [stderr] Checking futures-io-preview v0.3.0-alpha.19 [INFO] [stderr] Checking tower-service v0.3.0-alpha.2 [INFO] [stderr] Checking retain_mut v0.1.0 [INFO] [stderr] Compiling num-traits v0.2.8 [INFO] [stderr] Compiling num-integer v0.1.41 [INFO] [stderr] Checking humantime v1.3.0 [INFO] [stderr] Checking crossbeam-utils v0.6.6 [INFO] [stderr] Checking tracing-core v0.1.7 [INFO] [stderr] Checking thread_local v0.3.6 [INFO] [stderr] Checking iovec v0.1.4 [INFO] [stderr] Checking num_cpus v1.10.1 [INFO] [stderr] Checking net2 v0.2.33 [INFO] [stderr] Checking time v0.1.42 [INFO] [stderr] Checking atty v0.2.13 [INFO] [stderr] Checking futures-channel-preview v0.3.0-alpha.19 [INFO] [stderr] Checking regex v1.3.1 [INFO] [stderr] Checking parking_lot_core v0.6.2 [INFO] [stderr] Checking bytes v0.4.12 [INFO] [stderr] Checking mio v0.6.19 [INFO] [stderr] Checking parking_lot v0.9.0 [INFO] [stderr] Checking crossbeam-epoch v0.7.2 [INFO] [stderr] Checking crossbeam-queue v0.1.2 [INFO] [stderr] Checking crossbeam-channel v0.3.9 [INFO] [stderr] Checking http v0.1.19 [INFO] [stderr] Checking string v0.2.1 [INFO] [stderr] Checking crossbeam-deque v0.7.1 [INFO] [stderr] Checking mio-uds v0.6.7 [INFO] [stderr] Checking env_logger v0.6.2 [INFO] [stderr] Checking chrono v0.4.9 [INFO] [stderr] Checking http-body v0.2.0-alpha.3 [INFO] [stderr] Checking pretty_env_logger v0.3.1 [INFO] [stderr] Compiling proc-macro-hack v0.5.11 [INFO] [stderr] Compiling pin-project-internal v0.4.5 [INFO] [stderr] Compiling tracing-attributes v0.1.4 [INFO] [stderr] Compiling tokio-macros v0.2.0-alpha.6 [INFO] [stderr] Compiling futures-select-macro-preview v0.3.0-alpha.19 [INFO] [stderr] Compiling futures-join-macro-preview v0.3.0-alpha.19 [INFO] [stderr] Checking tracing v0.1.9 [INFO] [stderr] Checking futures-util-preview v0.3.0-alpha.19 [INFO] [stderr] Checking pin-project v0.4.5 [INFO] [stderr] Checking tokio-io v0.2.0-alpha.6 [INFO] [stderr] Checking tokio-codec v0.2.0-alpha.6 [INFO] [stderr] Checking tower-make v0.3.0-alpha.2a [INFO] [stderr] Checking tokio-sync v0.2.0-alpha.6 [INFO] [stderr] Checking futures-executor-preview v0.3.0-alpha.19 [INFO] [stderr] Checking futures-preview v0.3.0-alpha.19 [INFO] [stderr] Checking tokio-executor v0.2.0-alpha.6 [INFO] [stderr] Checking h2 v0.2.0-alpha.3 [INFO] [stderr] Checking tokio-fs v0.2.0-alpha.6 [INFO] [stderr] Checking tokio-timer v0.3.0-alpha.6 [INFO] [stderr] Checking tokio-net v0.2.0-alpha.6 [INFO] [stderr] Checking tokio v0.2.0-alpha.6 [INFO] [stderr] Checking hyper v0.13.0-alpha.4 [INFO] [stderr] Documenting hyper-flush-demo v0.1.0 (/opt/rustwide/workdir) [INFO] [stderr] Finished dev [unoptimized + debuginfo] target(s) in 56.97s [INFO] running `Command { std: "docker" "inspect" "2e359642909e5e1a0e5580b746e094358cf2c10c09d69bf7de5e860e45b4674b", kill_on_drop: false }` [INFO] running `Command { std: "docker" "rm" "-f" "2e359642909e5e1a0e5580b746e094358cf2c10c09d69bf7de5e860e45b4674b", kill_on_drop: false }` [INFO] [stdout] 2e359642909e5e1a0e5580b746e094358cf2c10c09d69bf7de5e860e45b4674b