[INFO] fetching crate daplink 0.1.0...
[INFO] documenting daplink-0.1.0 against try#66dfc4e010913fbed0c4ea91fc2c010004b0f441 for pr-73566
[INFO] extracting crate daplink 0.1.0 into /workspace/builds/worker-8/source
[INFO] validating manifest of crates.io crate daplink 0.1.0 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 daplink 0.1.0
[INFO] finished tweaking crates.io crate daplink 0.1.0
[INFO] tweaked toml for crates.io crate daplink 0.1.0 written to /workspace/builds/worker-8/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] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-8/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-8/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] d062820e7b4d3c3b33c892d6345d4477baa51cd9f5c85b60ccc114d726d1e044
[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" "d062820e7b4d3c3b33c892d6345d4477baa51cd9f5c85b60ccc114d726d1e044", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "d062820e7b4d3c3b33c892d6345d4477baa51cd9f5c85b60ccc114d726d1e044", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "d062820e7b4d3c3b33c892d6345d4477baa51cd9f5c85b60ccc114d726d1e044", kill_on_drop: false }`
[INFO] [stdout] d062820e7b4d3c3b33c892d6345d4477baa51cd9f5c85b60ccc114d726d1e044
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-8/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-8/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] 53c8e6a9e8129f44d32365a5e193b00910d05022852474e7647a96dcc6eb5277
[INFO] running `Command { std: "docker" "start" "-a" "53c8e6a9e8129f44d32365a5e193b00910d05022852474e7647a96dcc6eb5277", kill_on_drop: false }`
[INFO] [stderr]    Compiling autocfg v1.0.0
[INFO] [stderr]    Compiling syn v1.0.33
[INFO] [stderr]    Compiling serde v1.0.114
[INFO] [stderr]     Checking cfg-if v0.1.10
[INFO] [stderr]    Compiling cc v1.0.56
[INFO] [stderr]    Compiling failure_derive v0.1.8
[INFO] [stderr]     Checking rustc-demangle v0.1.16
[INFO] [stderr]    Compiling crc32fast v1.2.0
[INFO] [stderr]     Checking adler v0.2.2
[INFO] [stderr]    Compiling pkg-config v0.3.17
[INFO] [stderr]    Compiling bitflags v1.2.1
[INFO] [stderr]     Checking stable_deref_trait v1.1.1
[INFO] [stderr]     Checking lazy_static v1.4.0
[INFO] [stderr]    Compiling ryu v1.0.5
[INFO] [stderr]     Checking log v0.4.8
[INFO] [stderr]    Compiling scroll v0.9.2
[INFO] [stderr]     Checking miniz_oxide v0.4.0
[INFO] [stderr]    Compiling syn v0.15.44
[INFO] [stderr]     Checking backtrace v0.3.49
[INFO] [stderr]    Compiling num-traits v0.2.12
[INFO] [stderr]    Compiling num-integer v0.1.43
[INFO] [stderr]    Compiling num-bigint v0.2.6
[INFO] [stderr]    Compiling num-complex v0.2.4
[INFO] [stderr]    Compiling num-rational v0.2.4
[INFO] [stderr]    Compiling num-iter v0.1.41
[INFO] [stderr]     Checking flate2 v1.0.16
[INFO] [stderr]    Compiling capstone-sys v0.10.0
[INFO] [stderr]    Compiling hidapi v0.5.2
[INFO] [stderr]    Compiling num-traits v0.1.43
[INFO] [stderr]    Compiling enum-primitive-derive v0.1.2
[INFO] [stderr]     Checking num v0.2.1
[INFO] [stderr]    Compiling scroll_derive v0.9.5
[INFO] [stderr]    Compiling derivative v1.0.4
[INFO] [stderr]    Compiling synstructure v0.12.4
[INFO] [stderr]     Checking goblin v0.0.24
[INFO] [stderr]    Compiling serde_derive v1.0.114
[INFO] [stderr]    Compiling rental-impl v0.5.5
[INFO] [stderr]     Checking failure v0.1.8
[INFO] [stderr]     Checking rental v0.5.5
[INFO] [stderr]     Checking jep106 v0.2.4
[INFO] [stderr]     Checking capstone v0.6.0
[INFO] [stderr]     Checking coresight v0.1.0
[INFO] [stderr]     Checking arm-memory v0.1.0
[INFO] [stderr]    Compiling serde_json v1.0.56
[INFO] [stderr]    Compiling target-lexicon v0.8.1
[INFO] [stderr]     Checking object v0.14.1
[INFO] [stderr]     Checking debug-probe v0.1.0
[INFO] [stderr]  Documenting daplink v0.1.0 (/opt/rustwide/workdir)
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 2m 10s
[INFO] running `Command { std: "docker" "inspect" "53c8e6a9e8129f44d32365a5e193b00910d05022852474e7647a96dcc6eb5277", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "53c8e6a9e8129f44d32365a5e193b00910d05022852474e7647a96dcc6eb5277", kill_on_drop: false }`
[INFO] [stdout] 53c8e6a9e8129f44d32365a5e193b00910d05022852474e7647a96dcc6eb5277