[INFO] cloning repository https://github.com/SirVer/sar
[INFO] running `Command { std: "git" "-c" "credential.helper=" "-c" "credential.helper=/workspace/cargo-home/bin/git-credential-null" "clone" "--bare" "https://github.com/SirVer/sar" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2FSirVer%2Fsar", kill_on_drop: false }`
[INFO] [stderr] Cloning into bare repository '/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2FSirVer%2Fsar'...
[INFO] running `Command { std: "git" "rev-parse" "HEAD", kill_on_drop: false }`
[INFO] [stdout] 1ef4c2e4ee55070fd6fa15c77b6cc4c983b5da7c
[INFO] documenting SirVer/sar 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%2FSirVer%2Fsar" "/workspace/builds/worker-3/source", kill_on_drop: false }`
[INFO] [stderr] Cloning into '/workspace/builds/worker-3/source'...
[INFO] [stderr] done.
[INFO] validating manifest of git repo https://github.com/SirVer/sar 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/SirVer/sar
[INFO] finished tweaking git repo https://github.com/SirVer/sar
[INFO] tweaked toml for git repo https://github.com/SirVer/sar written to /workspace/builds/worker-3/source/Cargo.toml
[INFO] crate git repo https://github.com/SirVer/sar 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]     Blocking waiting for file lock on package cache
[INFO] [stderr]  Downloading crates ...
[INFO] [stderr]   Downloaded timer v0.2.0
[INFO] [stderr]   Downloaded vte v0.3.3
[INFO] [stderr]   Downloaded default-editor v0.1.0
[INFO] [stderr]   Downloaded self_update v0.4.5
[INFO] [stderr]   Downloaded fuzzy-matcher v0.2.2
[INFO] [stderr]   Downloaded tuikit v0.2.9
[INFO] [stderr]   Downloaded skim v0.6.9
[INFO] [stderr]   Downloaded vimdecrypt v0.1.3
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-3/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-3/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] 80c362ca3ad7f225ce215387e5d9075219690e7a7ff2baaf1be9c492f3fdcc68
[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" "80c362ca3ad7f225ce215387e5d9075219690e7a7ff2baaf1be9c492f3fdcc68", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "80c362ca3ad7f225ce215387e5d9075219690e7a7ff2baaf1be9c492f3fdcc68", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "80c362ca3ad7f225ce215387e5d9075219690e7a7ff2baaf1be9c492f3fdcc68", kill_on_drop: false }`
[INFO] [stdout] 80c362ca3ad7f225ce215387e5d9075219690e7a7ff2baaf1be9c492f3fdcc68
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-3/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-3/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] 7d46c622f5a81f24cf8d6596a3b363d785f561708671c62e5893758d005dbb2e
[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" "7d46c622f5a81f24cf8d6596a3b363d785f561708671c62e5893758d005dbb2e", kill_on_drop: false }`
[INFO] [stderr]    Compiling syn v1.0.30
[INFO] [stderr]     Checking fuzzy-matcher v0.2.2
[INFO] [stderr]     Checking default-editor v0.1.0
[INFO] [stderr]     Checking vte v0.3.3
[INFO] [stderr]     Checking scoped-pool v1.0.0
[INFO] [stderr]    Compiling error-chain v0.12.2
[INFO] [stderr]     Checking dirs v1.0.5
[INFO] [stderr]     Checking rand v0.4.6
[INFO] [stderr]     Checking xattr v0.2.2
[INFO] [stderr]     Checking filetime v0.2.10
[INFO] [stderr]     Checking rpassword v4.0.5
[INFO] [stderr]     Checking generic-array v0.14.1
[INFO] [stderr]     Checking cookie v0.12.0
[INFO] [stderr]     Checking env_logger v0.6.2
[INFO] [stderr]     Checking pbr v1.0.3
[INFO] [stderr]     Checking tokio-io v0.1.13
[INFO] [stderr]     Checking http v0.1.21
[INFO] [stderr]     Checking string v0.2.1
[INFO] [stderr]     Checking tokio-buf v0.1.1
[INFO] [stderr]     Checking uuid v0.7.4
[INFO] [stderr]     Checking shellexpand v1.1.1
[INFO] [stderr]     Checking timer v0.2.0
[INFO] [stderr]     Checking tokio-threadpool v0.1.18
[INFO] [stderr]     Checking hyper-old-types v0.11.0
[INFO] [stderr]     Checking native-tls v0.2.4
[INFO] [stderr]    Compiling darling_core v0.9.0
[INFO] [stderr]     Checking term v0.5.2
[INFO] [stderr]     Checking tar v0.4.28
[INFO] [stderr]     Checking rayon v1.3.0
[INFO] [stderr]     Checking structopt v0.2.18
[INFO] [stderr]     Checking block-cipher v0.7.0
[INFO] [stderr]     Checking publicsuffix v1.5.4
[INFO] [stderr]     Checking blowfish v0.5.0
[INFO] [stderr]     Checking tuikit v0.2.9
[INFO] [stderr]     Checking tokio-reactor v0.1.12
[INFO] [stderr]     Checking tempdir v0.3.7
[INFO] [stderr]     Checking tokio-tcp v0.1.4
[INFO] [stderr]     Checking tokio v0.1.22
[INFO] [stderr]     Checking h2 v0.1.26
[INFO] [stderr]     Checking http-body v0.1.0
[INFO] [stderr]    Compiling darling_macro v0.9.0
[INFO] [stderr]     Checking hyper v0.12.35
[INFO] [stderr]    Compiling darling v0.9.0
[INFO] [stderr]    Compiling synstructure v0.12.4
[INFO] [stderr]    Compiling syn-mid v0.5.0
[INFO] [stderr]    Compiling derive_builder_core v0.5.0
[INFO] [stderr]     Checking hyper-tls v0.3.2
[INFO] [stderr]    Compiling derive_builder v0.7.2
[INFO] [stderr]    Compiling serde_derive v1.0.111
[INFO] [stderr]    Compiling failure_derive v0.1.8
[INFO] [stderr]    Compiling proc-macro-error-attr v1.0.2
[INFO] [stderr]     Checking skim v0.6.9
[INFO] [stderr]    Compiling proc-macro-error v1.0.2
[INFO] [stderr]     Checking failure v0.1.8
[INFO] [stderr]    Compiling structopt-derive v0.4.7
[INFO] [stderr]     Checking structopt v0.3.14
[INFO] [stderr]     Checking vimdecrypt v0.1.3
[INFO] [stderr]     Checking serde v1.0.111
[INFO] [stderr]     Checking serde_json v1.0.53
[INFO] [stderr]     Checking serde_urlencoded v0.5.5
[INFO] [stderr]     Checking toml v0.4.10
[INFO] [stderr]     Checking cookie_store v0.7.0
[INFO] [stderr]     Checking reqwest v0.9.24
[INFO] [stderr]     Checking self_update v0.4.5
[INFO] [stderr]  Documenting sar v0.2.6 (/opt/rustwide/workdir)
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 1m 42s
[INFO] running `Command { std: "docker" "inspect" "7d46c622f5a81f24cf8d6596a3b363d785f561708671c62e5893758d005dbb2e", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "7d46c622f5a81f24cf8d6596a3b363d785f561708671c62e5893758d005dbb2e", kill_on_drop: false }`
[INFO] [stdout] 7d46c622f5a81f24cf8d6596a3b363d785f561708671c62e5893758d005dbb2e