[INFO] crate structsy 0.2.1 is already in cache
[INFO] documenting structsy-0.2.1 against try#66dfc4e010913fbed0c4ea91fc2c010004b0f441 for pr-73566
[INFO] extracting crate structsy 0.2.1 into /workspace/builds/worker-4/source
[INFO] validating manifest of crates.io crate structsy 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 structsy 0.2.1
[INFO] finished tweaking crates.io crate structsy 0.2.1
[INFO] tweaked toml for crates.io crate structsy 0.2.1 written to /workspace/builds/worker-4/source/Cargo.toml
[INFO] crate crates.io crate structsy 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-4/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-4/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] fce90167e7cbcd2e2fc0d62cb17e85123b656aee2cfdcda0c3cf3c5b1d731e73
[INFO] running `Command { std: "docker" "start" "-a" "fce90167e7cbcd2e2fc0d62cb17e85123b656aee2cfdcda0c3cf3c5b1d731e73", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "fce90167e7cbcd2e2fc0d62cb17e85123b656aee2cfdcda0c3cf3c5b1d731e73", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "fce90167e7cbcd2e2fc0d62cb17e85123b656aee2cfdcda0c3cf3c5b1d731e73", kill_on_drop: false }`
[INFO] [stdout] fce90167e7cbcd2e2fc0d62cb17e85123b656aee2cfdcda0c3cf3c5b1d731e73
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-4/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-4/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] 672d44067642b217db9d6cdc6e651b857d0c41e91070afe73cda8b61faae9731
[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" "672d44067642b217db9d6cdc6e651b857d0c41e91070afe73cda8b61faae9731", kill_on_drop: false }`
[INFO] [stderr]    Compiling libc v0.2.68
[INFO] [stderr]    Compiling getrandom v0.1.14
[INFO] [stderr]     Checking cfg-if v0.1.10
[INFO] [stderr]    Compiling build_const v0.2.1
[INFO] [stderr]     Checking ppv-lite86 v0.2.6
[INFO] [stderr]    Compiling byteorder v1.3.4
[INFO] [stderr]     Checking unsigned-varint v0.3.2
[INFO] [stderr]     Checking data-encoding v2.2.0
[INFO] [stderr]     Checking linked-hash-map v0.5.2
[INFO] [stderr]    Compiling crc v1.8.1
[INFO] [stderr]     Checking fs2 v0.4.3
[INFO] [stderr]     Checking rand_core v0.5.1
[INFO] [stderr]     Checking rand_chacha v0.2.2
[INFO] [stderr]     Checking rand v0.7.3
[INFO] [stderr]     Checking persy v0.9.0
[INFO] [stderr]  Documenting structsy v0.2.1 (/opt/rustwide/workdir)
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 12.34s
[INFO] running `Command { std: "docker" "inspect" "672d44067642b217db9d6cdc6e651b857d0c41e91070afe73cda8b61faae9731", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "672d44067642b217db9d6cdc6e651b857d0c41e91070afe73cda8b61faae9731", kill_on_drop: false }`
[INFO] [stdout] 672d44067642b217db9d6cdc6e651b857d0c41e91070afe73cda8b61faae9731