[INFO] fetching crate serde-fressian 0.1.1...
[INFO] documenting serde-fressian-0.1.1 against try#66dfc4e010913fbed0c4ea91fc2c010004b0f441 for pr-73566
[INFO] extracting crate serde-fressian 0.1.1 into /workspace/builds/worker-0/source
[INFO] validating manifest of crates.io crate serde-fressian 0.1.1 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 serde-fressian 0.1.1
[INFO] finished tweaking crates.io crate serde-fressian 0.1.1
[INFO] tweaked toml for crates.io crate serde-fressian 0.1.1 written to /workspace/builds/worker-0/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] 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] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-0/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-0/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] 2fe6b6414faee7cddca4d1982381d42488589b1cbb54630961d64a1c524608c3
[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" "2fe6b6414faee7cddca4d1982381d42488589b1cbb54630961d64a1c524608c3", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "2fe6b6414faee7cddca4d1982381d42488589b1cbb54630961d64a1c524608c3", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "2fe6b6414faee7cddca4d1982381d42488589b1cbb54630961d64a1c524608c3", kill_on_drop: false }`
[INFO] [stdout] 2fe6b6414faee7cddca4d1982381d42488589b1cbb54630961d64a1c524608c3
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-0/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-0/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] 48dabb31a2d63251e89059c73f0f2a75cab434f13a2e5cd0ec79c386fd43d98a
[INFO] running `Command { std: "docker" "start" "-a" "48dabb31a2d63251e89059c73f0f2a75cab434f13a2e5cd0ec79c386fd43d98a", kill_on_drop: false }`
[INFO] [stderr]    Compiling autocfg v1.0.0
[INFO] [stderr]    Compiling serde v1.0.114
[INFO] [stderr]    Compiling either v1.5.3
[INFO] [stderr]    Compiling bitflags v1.2.1
[INFO] [stderr]     Checking itertools v0.7.11
[INFO] [stderr]    Compiling itertools v0.8.2
[INFO] [stderr]    Compiling num-traits v0.2.12
[INFO] [stderr]     Checking num-traits v0.1.43
[INFO] [stderr]    Compiling shrinkwraprs v0.2.3
[INFO] [stderr]     Checking serde_bytes v0.10.5
[INFO] [stderr]     Checking ordered-float v0.5.2
[INFO] [stderr]  Documenting serde-fressian v0.1.1 (/opt/rustwide/workdir)
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 15.82s
[INFO] running `Command { std: "docker" "inspect" "48dabb31a2d63251e89059c73f0f2a75cab434f13a2e5cd0ec79c386fd43d98a", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "48dabb31a2d63251e89059c73f0f2a75cab434f13a2e5cd0ec79c386fd43d98a", kill_on_drop: false }`
[INFO] [stdout] 48dabb31a2d63251e89059c73f0f2a75cab434f13a2e5cd0ec79c386fd43d98a