[INFO] fetching crate build-info-common 0.0.19...
[INFO] documenting build-info-common-0.0.19 against try#66dfc4e010913fbed0c4ea91fc2c010004b0f441 for pr-73566
[INFO] extracting crate build-info-common 0.0.19 into /workspace/builds/worker-2/source
[INFO] validating manifest of crates.io crate build-info-common 0.0.19 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 build-info-common 0.0.19
[INFO] finished tweaking crates.io crate build-info-common 0.0.19
[INFO] tweaked toml for crates.io crate build-info-common 0.0.19 written to /workspace/builds/worker-2/source/Cargo.toml
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+66dfc4e010913fbed0c4ea91fc2c010004b0f441" "generate-lockfile" "--manifest-path" "Cargo.toml" "-Zno-index-update", kill_on_drop: false }`
[INFO] [stderr]     Blocking waiting for file lock on package cache
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+66dfc4e010913fbed0c4ea91fc2c010004b0f441" "fetch" "--locked" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] [stderr]     Blocking waiting for file lock on package cache
[INFO] [stderr]     Blocking waiting for file lock on package cache
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-2/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] [stderr] WARNING: Your kernel does not support swap limit capabilities or the cgroup is not mounted. Memory limited without swap.
[INFO] [stdout] 501d45c1f245d67f3e6ca8db639a1c69333b4ff14137bfd7f19ee393d6d0b5b9
[INFO] running `Command { std: "docker" "start" "-a" "501d45c1f245d67f3e6ca8db639a1c69333b4ff14137bfd7f19ee393d6d0b5b9", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "501d45c1f245d67f3e6ca8db639a1c69333b4ff14137bfd7f19ee393d6d0b5b9", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "501d45c1f245d67f3e6ca8db639a1c69333b4ff14137bfd7f19ee393d6d0b5b9", kill_on_drop: false }`
[INFO] [stdout] 501d45c1f245d67f3e6ca8db639a1c69333b4ff14137bfd7f19ee393d6d0b5b9
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-2/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] [stderr] WARNING: Your kernel does not support swap limit capabilities or the cgroup is not mounted. Memory limited without swap.
[INFO] [stdout] 44ce65412f8c438b2a6c4d4a8a4b0e26ae1ebf23073b5108033e28503f73c55f
[INFO] running `Command { std: "docker" "start" "-a" "44ce65412f8c438b2a6c4d4a8a4b0e26ae1ebf23073b5108033e28503f73c55f", kill_on_drop: false }`
[INFO] [stderr]    Compiling autocfg v1.0.0
[INFO] [stderr]    Compiling syn v1.0.33
[INFO] [stderr]     Checking semver v0.10.0
[INFO] [stderr]    Compiling num-traits v0.2.12
[INFO] [stderr]    Compiling num-integer v0.1.43
[INFO] [stderr]     Checking chrono v0.4.11
[INFO] [stderr]    Compiling derive_more v0.99.9
[INFO] [stderr]  Documenting build-info-common v0.0.19 (/opt/rustwide/workdir)
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 25.53s
[INFO] running `Command { std: "docker" "inspect" "44ce65412f8c438b2a6c4d4a8a4b0e26ae1ebf23073b5108033e28503f73c55f", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "44ce65412f8c438b2a6c4d4a8a4b0e26ae1ebf23073b5108033e28503f73c55f", kill_on_drop: false }`
[INFO] [stdout] 44ce65412f8c438b2a6c4d4a8a4b0e26ae1ebf23073b5108033e28503f73c55f