[INFO] cloning repository https://github.com/imagetest/imagetest-cli
[INFO] running `Command { std: "git" "-c" "credential.helper=" "-c" "credential.helper=/workspace/cargo-home/bin/git-credential-null" "clone" "--bare" "https://github.com/imagetest/imagetest-cli" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fimagetest%2Fimagetest-cli", kill_on_drop: false }`
[INFO] [stderr] Cloning into bare repository '/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fimagetest%2Fimagetest-cli'...
[INFO] running `Command { std: "git" "rev-parse" "HEAD", kill_on_drop: false }`
[INFO] [stdout] 35f8968186c9dcfb94fc2538b584f14c02148988
[INFO] documenting imagetest/imagetest-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%2Fimagetest%2Fimagetest-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/imagetest/imagetest-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/imagetest/imagetest-cli
[INFO] finished tweaking git repo https://github.com/imagetest/imagetest-cli
[INFO] tweaked toml for git repo https://github.com/imagetest/imagetest-cli written to /workspace/builds/worker-3/source/Cargo.toml
[INFO] crate git repo https://github.com/imagetest/imagetest-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 tokio-core v0.1.10
[INFO] [stderr]   Downloaded colored v1.5.3
[INFO] [stderr]   Downloaded hyper v0.11.6
[INFO] [stderr]   Downloaded futures-cpupool v0.1.7
[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] ea365022f332b7b48247b1c245331d9ed9fb8bf314628242574ce0ad0af734ae
[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" "ea365022f332b7b48247b1c245331d9ed9fb8bf314628242574ce0ad0af734ae", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "ea365022f332b7b48247b1c245331d9ed9fb8bf314628242574ce0ad0af734ae", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "ea365022f332b7b48247b1c245331d9ed9fb8bf314628242574ce0ad0af734ae", kill_on_drop: false }`
[INFO] [stdout] ea365022f332b7b48247b1c245331d9ed9fb8bf314628242574ce0ad0af734ae
[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] 38b6fe8f3a6aa3c3ecb3a356e6b339826f42ecb267fd101f8d7d5ac52ed9e156
[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" "38b6fe8f3a6aa3c3ecb3a356e6b339826f42ecb267fd101f8d7d5ac52ed9e156", kill_on_drop: false }`
[INFO] [stderr]     Checking libc v0.2.32
[INFO] [stderr]     Checking futures v0.1.16
[INFO] [stderr]     Checking serde v1.0.15
[INFO] [stderr]     Checking itoa v0.3.4
[INFO] [stderr]     Checking colored v1.5.3
[INFO] [stderr]     Checking mime v0.3.5
[INFO] [stderr]    Compiling serde_derive_internals v0.16.0
[INFO] [stderr]     Checking iovec v0.1.1
[INFO] [stderr]     Checking net2 v0.2.31
[INFO] [stderr]     Checking rand v0.3.17
[INFO] [stderr]     Checking num_cpus v1.7.0
[INFO] [stderr]     Checking term_size v0.3.0
[INFO] [stderr]     Checking atty v0.2.3
[INFO] [stderr]     Checking time v0.1.38
[INFO] [stderr]     Checking textwrap v0.8.0
[INFO] [stderr]     Checking bytes v0.4.5
[INFO] [stderr]    Compiling serde_derive v1.0.15
[INFO] [stderr]     Checking clap v2.26.2
[INFO] [stderr]     Checking mio v0.6.10
[INFO] [stderr]     Checking tokio-io v0.1.3
[INFO] [stderr]     Checking tokio-service v0.1.0
[INFO] [stderr]     Checking futures-cpupool v0.1.7
[INFO] [stderr]     Checking relay v0.1.0
[INFO] [stderr]     Checking tokio-core v0.1.10
[INFO] [stderr]     Checking tokio-proto v0.1.1
[INFO] [stderr]     Checking toml v0.4.5
[INFO] [stderr]     Checking serde_json v1.0.3
[INFO] [stderr]     Checking hyper v0.11.6
[INFO] [stderr]  Documenting imagetest-cli v0.1.0 (/opt/rustwide/workdir)
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 33.36s
[INFO] running `Command { std: "docker" "inspect" "38b6fe8f3a6aa3c3ecb3a356e6b339826f42ecb267fd101f8d7d5ac52ed9e156", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "38b6fe8f3a6aa3c3ecb3a356e6b339826f42ecb267fd101f8d7d5ac52ed9e156", kill_on_drop: false }`
[INFO] [stdout] 38b6fe8f3a6aa3c3ecb3a356e6b339826f42ecb267fd101f8d7d5ac52ed9e156