[INFO] fetching crate mx3 0.2.0...
[INFO] documenting mx3-0.2.0 against 1.61.0 for beta-1.62-rustdoc-1
[INFO] extracting crate mx3 0.2.0 into /workspace/builds/worker-10/source
[INFO] validating manifest of crates.io crate mx3 0.2.0 on toolchain 1.61.0
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+1.61.0" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }`
[INFO] started tweaking crates.io crate mx3 0.2.0
[INFO] finished tweaking crates.io crate mx3 0.2.0
[INFO] tweaked toml for crates.io crate mx3 0.2.0 written to /workspace/builds/worker-10/source/Cargo.toml
[INFO] crate crates.io crate mx3 0.2.0 already has a lockfile, it will not be regenerated
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+1.61.0" "fetch" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-10/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-10/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:d190cb871061d98bc6d0581d85cb2ecb09a0f8a142ba5463de30be9999fc3251" "/opt/rustwide/cargo-home/bin/cargo" "+1.61.0" "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] 9620ab7df4d99669087e6ab15a5c8dba4604bbeb0a38685d03a1a5e579460e49
[INFO] running `Command { std: "docker" "start" "-a" "9620ab7df4d99669087e6ab15a5c8dba4604bbeb0a38685d03a1a5e579460e49", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "9620ab7df4d99669087e6ab15a5c8dba4604bbeb0a38685d03a1a5e579460e49", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "9620ab7df4d99669087e6ab15a5c8dba4604bbeb0a38685d03a1a5e579460e49", kill_on_drop: false }`
[INFO] [stdout] 9620ab7df4d99669087e6ab15a5c8dba4604bbeb0a38685d03a1a5e579460e49
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-10/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-10/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:d190cb871061d98bc6d0581d85cb2ecb09a0f8a142ba5463de30be9999fc3251" "/opt/rustwide/cargo-home/bin/cargo" "+1.61.0" "doc" "--frozen" "--no-deps" "--document-private-items" "--message-format=json", 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] 6b0bceb6d2c588e5b607814c3fca35fa9d927a0cda60a1cb9413a4f54f819fe4
[INFO] running `Command { std: "docker" "start" "-a" "6b0bceb6d2c588e5b607814c3fca35fa9d927a0cda60a1cb9413a4f54f819fe4", kill_on_drop: false }`
[INFO] [stderr]     Checking rand_core v0.6.2
[INFO] [stderr]  Documenting mx3 v0.2.0 (/opt/rustwide/workdir)
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 2.14s
[INFO] running `Command { std: "docker" "inspect" "6b0bceb6d2c588e5b607814c3fca35fa9d927a0cda60a1cb9413a4f54f819fe4", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "6b0bceb6d2c588e5b607814c3fca35fa9d927a0cda60a1cb9413a4f54f819fe4", kill_on_drop: false }`
[INFO] [stdout] 6b0bceb6d2c588e5b607814c3fca35fa9d927a0cda60a1cb9413a4f54f819fe4
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-10/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-10/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" "RUSTFLAGS=--cap-lints=warn" "-e" "RUSTC_BOOTSTRAP=1" "-e" "DOCS_RS=1" "-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:d190cb871061d98bc6d0581d85cb2ecb09a0f8a142ba5463de30be9999fc3251" "/opt/rustwide/cargo-home/bin/cargo" "+1.61.0" "rustdoc" "--lib" "-Zrustdoc-map" "--frozen" "--message-format=json" "--" "-Z" "unstable-options" "--document-private-items", kill_on_drop: false }`
[INFO] [stdout] 76c5619236b14a858de1296c89c4081a1bc27cb358c4fecdf74becc973d38749
[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" "76c5619236b14a858de1296c89c4081a1bc27cb358c4fecdf74becc973d38749", kill_on_drop: false }`
[INFO] [stderr]     Blocking waiting for file lock on package cache
[INFO] [stderr]     Checking rand_core v0.6.2
[INFO] [stderr]  Documenting mx3 v0.2.0 (/opt/rustwide/workdir)
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 2.93s
[INFO] running `Command { std: "docker" "inspect" "76c5619236b14a858de1296c89c4081a1bc27cb358c4fecdf74becc973d38749", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "76c5619236b14a858de1296c89c4081a1bc27cb358c4fecdf74becc973d38749", kill_on_drop: false }`
[INFO] [stdout] 76c5619236b14a858de1296c89c4081a1bc27cb358c4fecdf74becc973d38749