[INFO] cloning repository https://github.com/Juici/myani
[INFO] running `Command { std: "git" "-c" "credential.helper=" "-c" "credential.helper=/workspace/cargo-home/bin/git-credential-null" "clone" "--bare" "https://github.com/Juici/myani" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2FJuici%2Fmyani", kill_on_drop: false }`
[INFO] [stderr] Cloning into bare repository '/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2FJuici%2Fmyani'...
[INFO] running `Command { std: "git" "rev-parse" "HEAD", kill_on_drop: false }`
[INFO] [stdout] 8d301fd7c89ed3bed92ffe6016ab76e66443ed58
[INFO] documenting Juici/myani 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%2FJuici%2Fmyani" "/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/Juici/myani 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/Juici/myani
[INFO] finished tweaking git repo https://github.com/Juici/myani
[INFO] tweaked toml for git repo https://github.com/Juici/myani written to /workspace/builds/worker-6/source/Cargo.toml
[INFO] crate git repo https://github.com/Juici/myani 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]     Blocking waiting for file lock on package cache
[INFO] [stderr]  Downloading crates ...
[INFO] [stderr]   Downloaded serde v1.0.37
[INFO] [stderr]   Downloaded tokio v0.1.5
[INFO] [stderr]   Downloaded syn v0.13.1
[INFO] [stderr]   Downloaded proc-macro2 v0.3.6
[INFO] [stderr]   Downloaded quote v0.5.1
[INFO] [stderr]   Downloaded crossbeam-deque v0.3.0
[INFO] [stderr]   Downloaded scoped-tls v0.1.1
[INFO] [stderr]   Downloaded hyper v0.11.25
[INFO] [stderr]   Downloaded base64 v0.9.0
[INFO] [stderr]   Downloaded mime v0.3.5
[INFO] [stderr]   Downloaded serde_json v1.0.13
[INFO] [stderr]   Downloaded tokio-threadpool v0.1.2
[INFO] [stderr]   Downloaded tokio-timer v0.2.1
[INFO] [stderr]   Downloaded serde_derive v1.0.37
[INFO] [stderr]   Downloaded crossbeam-epoch v0.4.1
[INFO] [stderr]   Downloaded num-traits v0.2.2
[INFO] [stderr]   Downloaded futures-io v0.2.0
[INFO] [stderr]   Downloaded futures-executor v0.2.0
[INFO] [stderr]   Downloaded futures-stable v0.2.0
[INFO] [stderr]   Downloaded futures-core v0.2.0
[INFO] [stderr]   Downloaded futures-sink v0.2.0
[INFO] [stderr]   Downloaded serde-xml-rs v0.2.1
[INFO] [stderr]   Downloaded serde_derive_internals v0.23.0
[INFO] [stderr]   Downloaded futures v0.2.0
[INFO] [stderr]   Downloaded futures-channel v0.2.0
[INFO] [stderr]   Downloaded futures-util v0.2.0
[INFO] [stderr]   Downloaded chrono v0.4.2
[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] e4511d8d1b38e2b79db63be7b52fa56666773545ffab5b3715170f15582742b5
[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" "e4511d8d1b38e2b79db63be7b52fa56666773545ffab5b3715170f15582742b5", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "e4511d8d1b38e2b79db63be7b52fa56666773545ffab5b3715170f15582742b5", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "e4511d8d1b38e2b79db63be7b52fa56666773545ffab5b3715170f15582742b5", kill_on_drop: false }`
[INFO] [stdout] e4511d8d1b38e2b79db63be7b52fa56666773545ffab5b3715170f15582742b5
[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] [stdout] 6a2c09e6be3237c17388d71c76f7c8f6c273c240bf7518f6e9131100120a4cf7
[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" "6a2c09e6be3237c17388d71c76f7c8f6c273c240bf7518f6e9131100120a4cf7", kill_on_drop: false }`
[INFO] [stderr]     Checking byteorder v1.2.2
[INFO] [stderr]     Checking either v1.5.0
[INFO] [stderr]     Checking scoped-tls v0.1.1
[INFO] [stderr]     Checking num-traits v0.2.2
[INFO] [stderr]     Checking serde v1.0.37
[INFO] [stderr]     Checking crossbeam-utils v0.3.2
[INFO] [stderr]     Checking crossbeam-utils v0.2.2
[INFO] [stderr]     Checking iovec v0.1.2
[INFO] [stderr]     Checking num_cpus v1.8.0
[INFO] [stderr]     Checking net2 v0.2.32
[INFO] [stderr]     Checking rand v0.4.2
[INFO] [stderr]     Checking tokio-timer v0.2.1
[INFO] [stderr]    Compiling serde_derive_internals v0.23.0
[INFO] [stderr]     Checking futures-cpupool v0.1.8
[INFO] [stderr]     Checking futures-core v0.2.0
[INFO] [stderr]     Checking mio v0.6.14
[INFO] [stderr]     Checking crossbeam-epoch v0.4.1
[INFO] [stderr]     Checking bytes v0.4.6
[INFO] [stderr]     Checking base64 v0.9.0
[INFO] [stderr]     Checking futures-channel v0.2.0
[INFO] [stderr]     Checking futures-io v0.2.0
[INFO] [stderr]     Checking crossbeam-deque v0.3.0
[INFO] [stderr]     Checking futures-sink v0.2.0
[INFO] [stderr]     Checking futures-util v0.2.0
[INFO] [stderr]     Checking rand v0.3.22
[INFO] [stderr]     Checking tokio-io v0.1.6
[INFO] [stderr]     Checking num-integer v0.1.36
[INFO] [stderr]     Checking tokio-threadpool v0.1.2
[INFO] [stderr]     Checking chrono v0.4.2
[INFO] [stderr]    Compiling serde_derive v1.0.37
[INFO] [stderr]     Checking tokio-reactor v0.1.1
[INFO] [stderr]     Checking tokio-udp v0.1.0
[INFO] [stderr]     Checking tokio-tcp v0.1.0
[INFO] [stderr]     Checking tokio v0.1.5
[INFO] [stderr]     Checking futures-executor v0.2.0
[INFO] [stderr]     Checking tokio-core v0.1.17
[INFO] [stderr]     Checking futures-stable v0.2.0
[INFO] [stderr]     Checking futures v0.2.0
[INFO] [stderr]     Checking tokio-proto v0.1.1
[INFO] [stderr]     Checking hyper v0.11.25
[INFO] [stderr]     Checking serde_json v1.0.13
[INFO] [stderr]     Checking serde-xml-rs v0.2.1
[INFO] [stderr]  Documenting myani v0.1.1 (/opt/rustwide/workdir)
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 34.94s
[INFO] running `Command { std: "docker" "inspect" "6a2c09e6be3237c17388d71c76f7c8f6c273c240bf7518f6e9131100120a4cf7", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "6a2c09e6be3237c17388d71c76f7c8f6c273c240bf7518f6e9131100120a4cf7", kill_on_drop: false }`
[INFO] [stdout] 6a2c09e6be3237c17388d71c76f7c8f6c273c240bf7518f6e9131100120a4cf7