[INFO] cloning repository https://github.com/leorik/hyper_halting_issue [INFO] running `Command { std: "git" "-c" "credential.helper=" "-c" "credential.helper=/workspace/cargo-home/bin/git-credential-null" "clone" "--bare" "https://github.com/leorik/hyper_halting_issue" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fleorik%2Fhyper_halting_issue", kill_on_drop: false }` [INFO] [stderr] Cloning into bare repository '/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fleorik%2Fhyper_halting_issue'... [INFO] running `Command { std: "git" "rev-parse" "HEAD", kill_on_drop: false }` [INFO] [stdout] aa16373e14f79f424b2df70e477cab1d479c33a5 [INFO] documenting leorik/hyper_halting_issue 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%2Fleorik%2Fhyper_halting_issue" "/workspace/builds/worker-6/source", kill_on_drop: false }` [INFO] [stderr] Cloning into '/workspace/builds/worker-6/source'... [INFO] [stderr] done. [INFO] validating manifest of git repo https://github.com/leorik/hyper_halting_issue 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/leorik/hyper_halting_issue [INFO] finished tweaking git repo https://github.com/leorik/hyper_halting_issue [INFO] tweaked toml for git repo https://github.com/leorik/hyper_halting_issue written to /workspace/builds/worker-6/source/Cargo.toml [INFO] crate git repo https://github.com/leorik/hyper_halting_issue 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] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-6/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-6/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] fd11aa9e31875e0ab41c7a2523782ee8d6de548afd092ce5054a03f5116a9f94 [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" "fd11aa9e31875e0ab41c7a2523782ee8d6de548afd092ce5054a03f5116a9f94", kill_on_drop: false }` [INFO] running `Command { std: "docker" "inspect" "fd11aa9e31875e0ab41c7a2523782ee8d6de548afd092ce5054a03f5116a9f94", kill_on_drop: false }` [INFO] running `Command { std: "docker" "rm" "-f" "fd11aa9e31875e0ab41c7a2523782ee8d6de548afd092ce5054a03f5116a9f94", kill_on_drop: false }` [INFO] [stdout] fd11aa9e31875e0ab41c7a2523782ee8d6de548afd092ce5054a03f5116a9f94 [INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-6/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-6/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] [stderr] WARNING: Your kernel does not support swap limit capabilities or the cgroup is not mounted. Memory limited without swap. [INFO] [stdout] f70bc596c3f35ca909472a3b8b0909d291ae673c4fd0701e91bd81317564a2e0 [INFO] running `Command { std: "docker" "start" "-a" "f70bc596c3f35ca909472a3b8b0909d291ae673c4fd0701e91bd81317564a2e0", kill_on_drop: false }` [INFO] [stderr] Compiling libc v0.2.50 [INFO] [stderr] Checking crossbeam-utils v0.6.5 [INFO] [stderr] Checking tokio-trace-core v0.1.0 [INFO] [stderr] Checking tokio-sync v0.1.4 [INFO] [stderr] Checking want v0.0.6 [INFO] [stderr] Checking num-complex v0.1.43 [INFO] [stderr] Checking tokio-executor v0.1.6 [INFO] [stderr] Checking crossbeam-epoch v0.7.1 [INFO] [stderr] Checking crossbeam-queue v0.1.2 [INFO] [stderr] Checking tokio-current-thread v0.1.5 [INFO] [stderr] Checking tokio-timer v0.2.10 [INFO] [stderr] Checking crossbeam-deque v0.7.1 [INFO] [stderr] Checking iovec v0.1.2 [INFO] [stderr] Checking rand_os v0.1.3 [INFO] [stderr] Checking num_cpus v1.10.0 [INFO] [stderr] Checking net2 v0.2.33 [INFO] [stderr] Checking rand v0.4.6 [INFO] [stderr] Checking time v0.1.42 [INFO] [stderr] Checking futures-cpupool v0.1.8 [INFO] [stderr] Checking bytes v0.4.12 [INFO] [stderr] Checking rand v0.6.5 [INFO] [stderr] Checking mio v0.6.16 [INFO] [stderr] Checking tokio-io v0.1.12 [INFO] [stderr] Checking http v0.1.16 [INFO] [stderr] Checking num-bigint v0.1.44 [INFO] [stderr] Checking parking_lot_core v0.4.0 [INFO] [stderr] Checking tokio-threadpool v0.1.12 [INFO] [stderr] Checking parking_lot v0.7.1 [INFO] [stderr] Checking num-rational v0.1.42 [INFO] [stderr] Checking tokio-reactor v0.1.9 [INFO] [stderr] Checking tokio-tcp v0.1.3 [INFO] [stderr] Checking tokio v0.1.17 [INFO] [stderr] Checking num v0.1.42 [INFO] [stderr] Checking stopwatch v0.0.7 [INFO] [stderr] Checking h2 v0.1.17 [INFO] [stderr] Checking hyper v0.12.25 [INFO] [stderr] Documenting hyper_halting v0.1.0 (/opt/rustwide/workdir) [INFO] [stderr] Finished dev [unoptimized + debuginfo] target(s) in 23.82s [INFO] running `Command { std: "docker" "inspect" "f70bc596c3f35ca909472a3b8b0909d291ae673c4fd0701e91bd81317564a2e0", kill_on_drop: false }` [INFO] running `Command { std: "docker" "rm" "-f" "f70bc596c3f35ca909472a3b8b0909d291ae673c4fd0701e91bd81317564a2e0", kill_on_drop: false }` [INFO] [stdout] f70bc596c3f35ca909472a3b8b0909d291ae673c4fd0701e91bd81317564a2e0