[INFO] fetching crate alexcrichton-cranelift 0.53.0...
[INFO] documenting alexcrichton-cranelift-0.53.0 against beta-2020-10-09 for beta-1.48-rustdoc-1
[INFO] extracting crate alexcrichton-cranelift 0.53.0 into /workspace/builds/worker-1/source
[INFO] validating manifest of crates.io crate alexcrichton-cranelift 0.53.0 on toolchain beta-2020-10-09
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+beta-2020-10-09" "read-manifest" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] started tweaking crates.io crate alexcrichton-cranelift 0.53.0
[INFO] finished tweaking crates.io crate alexcrichton-cranelift 0.53.0
[INFO] tweaked toml for crates.io crate alexcrichton-cranelift 0.53.0 written to /workspace/builds/worker-1/source/Cargo.toml
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+beta-2020-10-09" "generate-lockfile" "--manifest-path" "Cargo.toml" "-Zno-index-update", kill_on_drop: false }`
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+beta-2020-10-09" "fetch" "--locked" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-1/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-2020-10-09" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] c7ceed69e803de431b624bedfd8c443fcce4308d7e839fcbf47e8d6a471c6aed
[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" "c7ceed69e803de431b624bedfd8c443fcce4308d7e839fcbf47e8d6a471c6aed", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "c7ceed69e803de431b624bedfd8c443fcce4308d7e839fcbf47e8d6a471c6aed", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "c7ceed69e803de431b624bedfd8c443fcce4308d7e839fcbf47e8d6a471c6aed", kill_on_drop: false }`
[INFO] [stdout] c7ceed69e803de431b624bedfd8c443fcce4308d7e839fcbf47e8d6a471c6aed
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-1/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-2020-10-09" "doc" "--frozen" "--no-deps" "--document-private-items" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] a1169ad629907ac399b91c5a97e8983eba32615a4136c9a10415b9f86003493d
[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" "a1169ad629907ac399b91c5a97e8983eba32615a4136c9a10415b9f86003493d", kill_on_drop: false }`
[INFO] [stderr]    Compiling syn v1.0.45
[INFO] [stderr]     Checking smallvec v1.4.2
[INFO] [stderr]    Compiling alexcrichton-cranelift-codegen v0.53.0
[INFO] [stderr]    Compiling thiserror-impl v1.0.21
[INFO] [stderr]     Checking thiserror v1.0.21
[INFO] [stderr]     Checking alexcrichton-cranelift-frontend v0.53.0
[INFO] [stderr]  Documenting alexcrichton-cranelift v0.53.0 (/opt/rustwide/workdir)
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 26.19s
[INFO] running `Command { std: "docker" "inspect" "a1169ad629907ac399b91c5a97e8983eba32615a4136c9a10415b9f86003493d", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "a1169ad629907ac399b91c5a97e8983eba32615a4136c9a10415b9f86003493d", kill_on_drop: false }`
[INFO] [stdout] a1169ad629907ac399b91c5a97e8983eba32615a4136c9a10415b9f86003493d
