[INFO] fetching crate idcontain 0.7.6...
[INFO] documenting idcontain-0.7.6 against beta-2021-08-01 for beta-1.55-rustdoc-1
[INFO] extracting crate idcontain 0.7.6 into /workspace/builds/worker-6/source
[INFO] validating manifest of crates.io crate idcontain 0.7.6 on toolchain beta-2021-08-01
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+beta-2021-08-01" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }`
[INFO] started tweaking crates.io crate idcontain 0.7.6
[INFO] finished tweaking crates.io crate idcontain 0.7.6
[INFO] tweaked toml for crates.io crate idcontain 0.7.6 written to /workspace/builds/worker-6/source/Cargo.toml
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+beta-2021-08-01" "generate-lockfile" "--manifest-path" "Cargo.toml" "-Zno-index-update", kill_on_drop: false }`
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+beta-2021-08-01" "fetch" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-6/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-6/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" "ghcr.io/rust-lang/crates-build-env/linux@sha256:34b6a614d2c27851fe6cbf88fbd1137609cefab8b10d0615aaeb6fd47975d74e" "/opt/rustwide/cargo-home/bin/cargo" "+beta-2021-08-01" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] fd48f97d521f5c0f26da94d77dd7765082d044cb21f0fae0ae58bd0db36c7c8f
[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" "fd48f97d521f5c0f26da94d77dd7765082d044cb21f0fae0ae58bd0db36c7c8f", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "fd48f97d521f5c0f26da94d77dd7765082d044cb21f0fae0ae58bd0db36c7c8f", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "fd48f97d521f5c0f26da94d77dd7765082d044cb21f0fae0ae58bd0db36c7c8f", kill_on_drop: false }`
[INFO] [stdout] fd48f97d521f5c0f26da94d77dd7765082d044cb21f0fae0ae58bd0db36c7c8f
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-6/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-6/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" "ghcr.io/rust-lang/crates-build-env/linux@sha256:34b6a614d2c27851fe6cbf88fbd1137609cefab8b10d0615aaeb6fd47975d74e" "/opt/rustwide/cargo-home/bin/cargo" "+beta-2021-08-01" "doc" "--frozen" "--no-deps" "--document-private-items" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] 60c8d01acbc01b72479e1642e31d7894866005bd5fc45d5ffca10f395e245841
[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" "60c8d01acbc01b72479e1642e31d7894866005bd5fc45d5ffca10f395e245841", kill_on_drop: false }`
[INFO] [stderr]     Checking rand_core v0.3.1
[INFO] [stderr]     Checking rand v0.5.6
[INFO] [stderr]  Documenting idcontain v0.7.6 (/opt/rustwide/workdir)
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 3.34s
[INFO] running `Command { std: "docker" "inspect" "60c8d01acbc01b72479e1642e31d7894866005bd5fc45d5ffca10f395e245841", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "60c8d01acbc01b72479e1642e31d7894866005bd5fc45d5ffca10f395e245841", kill_on_drop: false }`
[INFO] [stdout] 60c8d01acbc01b72479e1642e31d7894866005bd5fc45d5ffca10f395e245841
