[INFO] crate ubuntu-version 0.2.1 is already in cache
[INFO] documenting ubuntu-version-0.2.1 against try#66dfc4e010913fbed0c4ea91fc2c010004b0f441 for pr-73566
[INFO] extracting crate ubuntu-version 0.2.1 into /workspace/builds/worker-12/source
[INFO] validating manifest of crates.io crate ubuntu-version 0.2.1 on toolchain 66dfc4e010913fbed0c4ea91fc2c010004b0f441
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+66dfc4e010913fbed0c4ea91fc2c010004b0f441" "read-manifest" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] started tweaking crates.io crate ubuntu-version 0.2.1
[INFO] finished tweaking crates.io crate ubuntu-version 0.2.1
[INFO] tweaked toml for crates.io crate ubuntu-version 0.2.1 written to /workspace/builds/worker-12/source/Cargo.toml
[INFO] crate crates.io crate ubuntu-version 0.2.1 already has a lockfile, it will not be regenerated
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+66dfc4e010913fbed0c4ea91fc2c010004b0f441" "fetch" "--locked" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[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" "MAP_USER_ID=0" "-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" "--network" "none" "rustops/crates-build-env@sha256:819119df93c0f5eca3f29186f14981ef29945a311854d7222af07488600a2584" "/opt/rustwide/cargo-home/bin/cargo" "+66dfc4e010913fbed0c4ea91fc2c010004b0f441" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] 9645e8c37c82f3ad9f57f991e1484e668ea87015728694d20ae282765f76017a
[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" "9645e8c37c82f3ad9f57f991e1484e668ea87015728694d20ae282765f76017a", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "9645e8c37c82f3ad9f57f991e1484e668ea87015728694d20ae282765f76017a", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "9645e8c37c82f3ad9f57f991e1484e668ea87015728694d20ae282765f76017a", kill_on_drop: false }`
[INFO] [stdout] 9645e8c37c82f3ad9f57f991e1484e668ea87015728694d20ae282765f76017a
[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" "MAP_USER_ID=0" "-e" "CARGO_TARGET_DIR=/opt/rustwide/target" "-e" "CARGO_INCREMENTAL=0" "-e" "RUST_BACKTRACE=full" "-e" "RUSTDOCFLAGS=--cap-lints=forbid" "-e" "CARGO_HOME=/opt/rustwide/cargo-home" "-e" "RUSTUP_HOME=/opt/rustwide/rustup-home" "-w" "/opt/rustwide/workdir" "-m" "1610612736" "--network" "none" "rustops/crates-build-env@sha256:819119df93c0f5eca3f29186f14981ef29945a311854d7222af07488600a2584" "/opt/rustwide/cargo-home/bin/cargo" "+66dfc4e010913fbed0c4ea91fc2c010004b0f441" "doc" "--frozen" "--no-deps" "--document-private-items" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] caf3d578c1ff07fa61841bf55ded55c6fb1f94ff374656563fd9c253a906d6ad
[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" "caf3d578c1ff07fa61841bf55ded55c6fb1f94ff374656563fd9c253a906d6ad", kill_on_drop: false }`
[INFO] [stderr]    Compiling unicode-xid v0.2.0
[INFO] [stderr]    Compiling libc v0.2.62
[INFO] [stderr]    Compiling num-traits v0.2.8
[INFO] [stderr]    Compiling num-integer v0.1.41
[INFO] [stderr]     Checking os-release v0.1.0
[INFO] [stderr]    Compiling proc-macro2 v1.0.6
[INFO] [stderr]    Compiling quote v1.0.2
[INFO] [stderr]    Compiling syn v1.0.11
[INFO] [stderr]     Checking time v0.1.42
[INFO] [stderr]     Checking chrono v0.4.9
[INFO] [stderr]    Compiling thiserror-impl v1.0.9
[INFO] [stderr]     Checking thiserror v1.0.9
[INFO] [stderr]  Documenting ubuntu-version v0.2.1 (/opt/rustwide/workdir)
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 17.36s
[INFO] running `Command { std: "docker" "inspect" "caf3d578c1ff07fa61841bf55ded55c6fb1f94ff374656563fd9c253a906d6ad", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "caf3d578c1ff07fa61841bf55ded55c6fb1f94ff374656563fd9c253a906d6ad", kill_on_drop: false }`
[INFO] [stdout] caf3d578c1ff07fa61841bf55ded55c6fb1f94ff374656563fd9c253a906d6ad