[INFO] cloning repository https://github.com/titi31/palindromenew
[INFO] running `Command { std: "git" "-c" "credential.helper=" "-c" "credential.helper=/workspace/cargo-home/bin/git-credential-null" "clone" "--bare" "https://github.com/titi31/palindromenew" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Ftiti31%2Fpalindromenew", kill_on_drop: false }`
[INFO] [stderr] Cloning into bare repository '/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Ftiti31%2Fpalindromenew'...
[INFO] running `Command { std: "git" "rev-parse" "HEAD", kill_on_drop: false }`
[INFO] [stdout] 152173331021f5c379843cb4956adf7fe76e65f4
[INFO] documenting titi31/palindromenew against 1.46.0 for beta-1.47-rustdoc-1
[INFO] running `Command { std: "git" "clone" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Ftiti31%2Fpalindromenew" "/workspace/builds/worker-9/source", kill_on_drop: false }`
[INFO] [stderr] Cloning into '/workspace/builds/worker-9/source'...
[INFO] [stderr] done.
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[INFO] validating manifest of git repo https://github.com/titi31/palindromenew on toolchain 1.46.0
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+1.46.0" "read-manifest" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] started tweaking git repo https://github.com/titi31/palindromenew
[INFO] finished tweaking git repo https://github.com/titi31/palindromenew
[INFO] tweaked toml for git repo https://github.com/titi31/palindromenew written to /workspace/builds/worker-9/source/Cargo.toml
[INFO] crate git repo https://github.com/titi31/palindromenew already has a lockfile, it will not be regenerated
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+1.46.0" "fetch" "--locked" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-9/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-9/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" "+1.46.0" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] 95fda7635e210a8b049e0fd3df6d6ab1e6f2be3073a1b65c3c8c89d96b90430d
[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" "95fda7635e210a8b049e0fd3df6d6ab1e6f2be3073a1b65c3c8c89d96b90430d", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "95fda7635e210a8b049e0fd3df6d6ab1e6f2be3073a1b65c3c8c89d96b90430d", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "95fda7635e210a8b049e0fd3df6d6ab1e6f2be3073a1b65c3c8c89d96b90430d", kill_on_drop: false }`
[INFO] [stdout] 95fda7635e210a8b049e0fd3df6d6ab1e6f2be3073a1b65c3c8c89d96b90430d
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-9/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-9/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" "+1.46.0" "doc" "--frozen" "--no-deps" "--document-private-items" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] 87d6d21d69687ab1eda80606e2efe11790e8105a3ae7faf09ea95866de16ef28
[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" "87d6d21d69687ab1eda80606e2efe11790e8105a3ae7faf09ea95866de16ef28", kill_on_drop: false }`
[INFO] [stderr]     Checking futures-task v0.3.5
[INFO] [stderr]    Compiling encoding_rs v0.8.23
[INFO] [stderr]     Checking tracing-core v0.1.14
[INFO] [stderr]     Checking mio v0.6.22
[INFO] [stderr]    Compiling pin-project-internal v0.4.23
[INFO] [stderr]     Checking idna v0.2.0
[INFO] [stderr]     Checking native-tls v0.2.4
[INFO] [stderr]     Checking serde_json v1.0.57
[INFO] [stderr]     Checking tracing v0.1.19
[INFO] [stderr]     Checking url v2.1.1
[INFO] [stderr]     Checking mio-uds v0.6.8
[INFO] [stderr]     Checking tokio v0.2.22
[INFO] [stderr]     Checking serde_urlencoded v0.6.1
[INFO] [stderr]     Checking pin-project v0.4.23
[INFO] [stderr]     Checking futures-util v0.3.5
[INFO] [stderr]     Checking tokio-util v0.3.1
[INFO] [stderr]     Checking tokio-tls v0.3.1
[INFO] [stderr]     Checking h2 v0.2.6
[INFO] [stderr]     Checking hyper v0.13.7
[INFO] [stderr]     Checking hyper-tls v0.4.3
[INFO] [stderr]     Checking reqwest v0.10.7
[INFO] [stderr]  Documenting palindromenew v0.1.0 (/opt/rustwide/workdir)
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 39.81s
[INFO] running `Command { std: "docker" "inspect" "87d6d21d69687ab1eda80606e2efe11790e8105a3ae7faf09ea95866de16ef28", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "87d6d21d69687ab1eda80606e2efe11790e8105a3ae7faf09ea95866de16ef28", kill_on_drop: false }`
[INFO] [stdout] 87d6d21d69687ab1eda80606e2efe11790e8105a3ae7faf09ea95866de16ef28