[INFO] fetching crate heroku_rs 0.5.3...
[INFO] documenting heroku_rs-0.5.3 against 1.46.0 for beta-1.47-rustdoc-1
[INFO] extracting crate heroku_rs 0.5.3 into /workspace/builds/worker-7/source
[INFO] validating manifest of crates.io crate heroku_rs 0.5.3 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 crates.io crate heroku_rs 0.5.3
[INFO] finished tweaking crates.io crate heroku_rs 0.5.3
[INFO] tweaked toml for crates.io crate heroku_rs 0.5.3 written to /workspace/builds/worker-7/source/Cargo.toml
[INFO] crate crates.io crate heroku_rs 0.5.3 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-7/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-7/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] ab5686d6323e34510dff9a3d93e4eef54fba79097e2aca0c1eb8deb31704afc2
[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" "ab5686d6323e34510dff9a3d93e4eef54fba79097e2aca0c1eb8deb31704afc2", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "ab5686d6323e34510dff9a3d93e4eef54fba79097e2aca0c1eb8deb31704afc2", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "ab5686d6323e34510dff9a3d93e4eef54fba79097e2aca0c1eb8deb31704afc2", kill_on_drop: false }`
[INFO] [stdout] ab5686d6323e34510dff9a3d93e4eef54fba79097e2aca0c1eb8deb31704afc2
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-7/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-7/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] a21fc8b6a116fe483766627b295f9963b5454221f9ada7d14e510e7852582b0a
[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" "a21fc8b6a116fe483766627b295f9963b5454221f9ada7d14e510e7852582b0a", kill_on_drop: false }`
[INFO] [stderr]     Blocking waiting for file lock on package cache
[INFO] [stderr]    Compiling syn v1.0.15
[INFO] [stderr]    Compiling openssl v0.10.28
[INFO] [stderr]     Checking futures-util v0.3.4
[INFO] [stderr]     Checking iovec v0.1.4
[INFO] [stderr]     Checking net2 v0.2.33
[INFO] [stderr]     Checking time v0.1.42
[INFO] [stderr]     Checking openssl-sys v0.9.54
[INFO] [stderr]     Checking mio v0.6.21
[INFO] [stderr]     Checking tokio v0.2.13
[INFO] [stderr]     Checking native-tls v0.2.3
[INFO] [stderr]     Checking tokio-util v0.2.0
[INFO] [stderr]     Checking tokio-tls v0.3.0
[INFO] [stderr]     Checking h2 v0.2.2
[INFO] [stderr]    Compiling synstructure v0.12.3
[INFO] [stderr]    Compiling serde_derive v1.0.104
[INFO] [stderr]    Compiling pin-project-internal v0.4.8
[INFO] [stderr]    Compiling failure_derive v0.1.7
[INFO] [stderr]    Compiling serde_with_macros v1.1.0
[INFO] [stderr]     Checking failure v0.1.7
[INFO] [stderr]     Checking pin-project v0.4.8
[INFO] [stderr]     Checking hyper v0.13.3
[INFO] [stderr]     Checking hyper-tls v0.4.1
[INFO] [stderr]     Checking serde v1.0.104
[INFO] [stderr]     Checking serde_json v1.0.48
[INFO] [stderr]     Checking serde_urlencoded v0.6.1
[INFO] [stderr]     Checking serde_with v1.4.0
[INFO] [stderr]     Checking chrono v0.4.11
[INFO] [stderr]     Checking reqwest v0.10.4
[INFO] [stderr]  Documenting heroku_rs v0.5.3 (/opt/rustwide/workdir)
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 1m 21s
[INFO] running `Command { std: "docker" "inspect" "a21fc8b6a116fe483766627b295f9963b5454221f9ada7d14e510e7852582b0a", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "a21fc8b6a116fe483766627b295f9963b5454221f9ada7d14e510e7852582b0a", kill_on_drop: false }`
[INFO] [stdout] a21fc8b6a116fe483766627b295f9963b5454221f9ada7d14e510e7852582b0a