[INFO] fetching crate text_trees 0.1.2...
[INFO] documenting text_trees-0.1.2 against beta-2020-10-09 for beta-1.48-rustdoc-1
[INFO] extracting crate text_trees 0.1.2 into /workspace/builds/worker-12/source
[INFO] validating manifest of crates.io crate text_trees 0.1.2 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 text_trees 0.1.2
[INFO] finished tweaking crates.io crate text_trees 0.1.2
[INFO] tweaked toml for crates.io crate text_trees 0.1.2 written to /workspace/builds/worker-12/source/Cargo.toml
[INFO] crate crates.io crate text_trees 0.1.2 already has a lockfile, it will not be regenerated
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+beta-2020-10-09" "fetch" "--locked" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] [stderr]     Blocking waiting for file lock on package cache
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-12/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-12/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] [stderr] WARNING: Your kernel does not support swap limit capabilities or the cgroup is not mounted. Memory limited without swap.
[INFO] [stdout] a8912e9ba4c2fb659d24d9c304cd1999e9f84388aed916cc4c074ae02ce748f9
[INFO] running `Command { std: "docker" "start" "-a" "a8912e9ba4c2fb659d24d9c304cd1999e9f84388aed916cc4c074ae02ce748f9", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "a8912e9ba4c2fb659d24d9c304cd1999e9f84388aed916cc4c074ae02ce748f9", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "a8912e9ba4c2fb659d24d9c304cd1999e9f84388aed916cc4c074ae02ce748f9", kill_on_drop: false }`
[INFO] [stdout] a8912e9ba4c2fb659d24d9c304cd1999e9f84388aed916cc4c074ae02ce748f9
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-12/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-12/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] 1ca1d739a6858a5be9f5d714bb1d15e4848b3124d89bb31e10457741155b34e3
[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" "1ca1d739a6858a5be9f5d714bb1d15e4848b3124d89bb31e10457741155b34e3", kill_on_drop: false }`
[INFO] [stderr]  Documenting text_trees v0.1.2 (/opt/rustwide/workdir)
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 0.99s
[INFO] running `Command { std: "docker" "inspect" "1ca1d739a6858a5be9f5d714bb1d15e4848b3124d89bb31e10457741155b34e3", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "1ca1d739a6858a5be9f5d714bb1d15e4848b3124d89bb31e10457741155b34e3", kill_on_drop: false }`
[INFO] [stdout] 1ca1d739a6858a5be9f5d714bb1d15e4848b3124d89bb31e10457741155b34e3
