[INFO] cloning repository https://github.com/niko-rs/niko-cli
[INFO] running `Command { std: "git" "-c" "credential.helper=" "-c" "credential.helper=/workspace/cargo-home/bin/git-credential-null" "clone" "--bare" "https://github.com/niko-rs/niko-cli" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fniko-rs%2Fniko-cli", kill_on_drop: false }`
[INFO] [stderr] Cloning into bare repository '/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fniko-rs%2Fniko-cli'...
[INFO] running `Command { std: "git" "rev-parse" "HEAD", kill_on_drop: false }`
[INFO] [stdout] 1dc1812a3f1f265ddecd75d7d00244c530f4bcce
[INFO] documenting niko-rs/niko-cli 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%2Fniko-rs%2Fniko-cli" "/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/niko-rs/niko-cli 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/niko-rs/niko-cli
[INFO] finished tweaking git repo https://github.com/niko-rs/niko-cli
[INFO] tweaked toml for git repo https://github.com/niko-rs/niko-cli written to /workspace/builds/worker-3/source/Cargo.toml
[INFO] crate git repo https://github.com/niko-rs/niko-cli 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 jobserver v0.1.21
[INFO] [stderr]   Downloaded git2 v0.13.8
[INFO] [stderr]   Downloaded structopt-derive v0.4.8
[INFO] [stderr]   Downloaded libssh2-sys v0.2.18
[INFO] [stderr]   Downloaded libgit2-sys v0.12.9+1.0.1
[INFO] [stderr]   Downloaded tinytemplate v1.1.0
[INFO] [stderr]   Downloaded structopt v0.3.15
[INFO] [stderr]   Downloaded hyper-staticfile v0.5.3
[INFO] [stderr]   Downloaded filetime v0.2.11
[INFO] [stderr]   Downloaded webbrowser v0.5.5
[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] [stderr] WARNING: Your kernel does not support swap limit capabilities or the cgroup is not mounted. Memory limited without swap.
[INFO] [stdout] 590f5a51e6c4fadaad7450a2d1a24da0992a27286983a2f27b180e2bcc038931
[INFO] running `Command { std: "docker" "start" "-a" "590f5a51e6c4fadaad7450a2d1a24da0992a27286983a2f27b180e2bcc038931", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "590f5a51e6c4fadaad7450a2d1a24da0992a27286983a2f27b180e2bcc038931", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "590f5a51e6c4fadaad7450a2d1a24da0992a27286983a2f27b180e2bcc038931", kill_on_drop: false }`
[INFO] [stdout] 590f5a51e6c4fadaad7450a2d1a24da0992a27286983a2f27b180e2bcc038931
[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] 64eb0c165910f2404b902ac6871de76667d1731f8a4fc2c73b11932de9538202
[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" "64eb0c165910f2404b902ac6871de76667d1731f8a4fc2c73b11932de9538202", kill_on_drop: false }`
[INFO] [stderr]    Compiling syn v1.0.35
[INFO] [stderr]    Compiling serde v1.0.114
[INFO] [stderr]    Compiling anyhow v1.0.31
[INFO] [stderr]     Checking webbrowser v0.5.5
[INFO] [stderr]    Compiling proc-macro-error-attr v1.0.3
[INFO] [stderr]    Compiling proc-macro-error v1.0.3
[INFO] [stderr]    Compiling hashbrown v0.8.1
[INFO] [stderr]    Compiling libc v0.2.73
[INFO] [stderr]    Compiling indexmap v1.5.0
[INFO] [stderr]     Checking tracing v0.1.17
[INFO] [stderr]     Checking signal-hook-registry v1.2.0
[INFO] [stderr]     Checking time v0.1.43
[INFO] [stderr]     Checking inotify-sys v0.1.3
[INFO] [stderr]     Checking socket2 v0.3.12
[INFO] [stderr]     Checking atty v0.2.14
[INFO] [stderr]     Checking filetime v0.2.11
[INFO] [stderr]     Checking mio-extras v2.0.6
[INFO] [stderr]     Checking clap v2.33.1
[INFO] [stderr]     Checking inotify v0.7.1
[INFO] [stderr]     Checking chrono v0.4.13
[INFO] [stderr]     Checking notify v4.0.15
[INFO] [stderr]    Compiling jobserver v0.1.21
[INFO] [stderr]    Compiling cc v1.0.58
[INFO] [stderr]    Compiling libz-sys v1.0.25
[INFO] [stderr]    Compiling openssl-sys v0.9.58
[INFO] [stderr]    Compiling libssh2-sys v0.2.18
[INFO] [stderr]    Compiling libgit2-sys v0.12.9+1.0.1
[INFO] [stderr]     Checking git2 v0.13.8
[INFO] [stderr]     Checking serde_json v1.0.56
[INFO] [stderr]    Compiling syn-mid v0.5.0
[INFO] [stderr]     Checking tinytemplate v1.1.0
[INFO] [stderr]    Compiling tokio-macros v0.2.5
[INFO] [stderr]    Compiling pin-project-internal v0.4.22
[INFO] [stderr]    Compiling futures-macro v0.3.5
[INFO] [stderr]    Compiling thiserror-impl v1.0.20
[INFO] [stderr]    Compiling serde_derive v1.0.114
[INFO] [stderr]     Checking tokio v0.2.22
[INFO] [stderr]    Compiling structopt-derive v0.4.8
[INFO] [stderr]     Checking thiserror v1.0.20
[INFO] [stderr]     Checking pin-project v0.4.22
[INFO] [stderr]     Checking futures-util v0.3.5
[INFO] [stderr]     Checking structopt v0.3.15
[INFO] [stderr]     Checking tokio-util v0.3.1
[INFO] [stderr]     Checking h2 v0.2.6
[INFO] [stderr]     Checking hyper v0.13.7
[INFO] [stderr]     Checking hyper-staticfile v0.5.3
[INFO] [stderr]  Documenting niko-cli v0.1.8 (/opt/rustwide/workdir)
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 2m 06s
[INFO] running `Command { std: "docker" "inspect" "64eb0c165910f2404b902ac6871de76667d1731f8a4fc2c73b11932de9538202", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "64eb0c165910f2404b902ac6871de76667d1731f8a4fc2c73b11932de9538202", kill_on_drop: false }`
[INFO] [stdout] 64eb0c165910f2404b902ac6871de76667d1731f8a4fc2c73b11932de9538202