[INFO] fetching crate dcmdump 0.2.0...
[INFO] documenting dcmdump-0.2.0 against try#66dfc4e010913fbed0c4ea91fc2c010004b0f441 for pr-73566
[INFO] extracting crate dcmdump 0.2.0 into /workspace/builds/worker-0/source
[INFO] validating manifest of crates.io crate dcmdump 0.2.0 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 dcmdump 0.2.0
[INFO] finished tweaking crates.io crate dcmdump 0.2.0
[INFO] tweaked toml for crates.io crate dcmdump 0.2.0 written to /workspace/builds/worker-0/source/Cargo.toml
[INFO] crate crates.io crate dcmdump 0.2.0 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] [stderr]  Downloading crates ...
[INFO] [stderr]   Downloaded dicom v0.2.0
[INFO] [stderr]   Downloaded dicom-parser v0.2.0
[INFO] [stderr]   Downloaded dicom-transfer-syntax-registry v0.2.0
[INFO] [stderr]   Downloaded dicom-object v0.2.0
[INFO] [stderr]   Downloaded byteordered v0.5.0
[INFO] [stderr]   Downloaded dicom-core v0.2.0
[INFO] [stderr]   Downloaded dicom-encoding v0.2.0
[INFO] [stderr]   Downloaded dicom-dictionary-std v0.2.0
[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] e19342f740b6835aa48154f4ddcf795fceb1e0f2f18c0c80fffe882b15379abf
[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" "e19342f740b6835aa48154f4ddcf795fceb1e0f2f18c0c80fffe882b15379abf", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "e19342f740b6835aa48154f4ddcf795fceb1e0f2f18c0c80fffe882b15379abf", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "e19342f740b6835aa48154f4ddcf795fceb1e0f2f18c0c80fffe882b15379abf", kill_on_drop: false }`
[INFO] [stdout] e19342f740b6835aa48154f4ddcf795fceb1e0f2f18c0c80fffe882b15379abf
[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] [stdout] 430b619f6da28e484a67a7962f77240e8ef928b999ba461a6a2be41da0c0a849
[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" "430b619f6da28e484a67a7962f77240e8ef928b999ba461a6a2be41da0c0a849", kill_on_drop: false }`
[INFO] [stderr]    Compiling autocfg v1.0.0
[INFO] [stderr]    Compiling proc-macro2 v1.0.17
[INFO] [stderr]    Compiling syn v1.0.23
[INFO] [stderr]     Checking encoding_index_tests v0.1.4
[INFO] [stderr]    Compiling libc v0.2.70
[INFO] [stderr]    Compiling byteorder v1.3.4
[INFO] [stderr]     Checking either v1.5.3
[INFO] [stderr]    Compiling inventory v0.1.6
[INFO] [stderr]     Checking smallvec v1.4.0
[INFO] [stderr]     Checking lazy_static v1.4.0
[INFO] [stderr]     Checking encoding-index-singlebyte v1.20141219.5
[INFO] [stderr]     Checking encoding-index-tradchinese v1.20141219.5
[INFO] [stderr]     Checking encoding-index-japanese v1.20141219.5
[INFO] [stderr]     Checking encoding-index-korean v1.20141219.5
[INFO] [stderr]     Checking encoding-index-simpchinese v1.20141219.5
[INFO] [stderr]     Checking itertools v0.8.2
[INFO] [stderr]    Compiling num-traits v0.2.11
[INFO] [stderr]    Compiling num-integer v0.1.42
[INFO] [stderr]     Checking encoding v0.2.33
[INFO] [stderr]     Checking byteordered v0.5.0
[INFO] [stderr]    Compiling quote v1.0.6
[INFO] [stderr]     Checking time v0.1.43
[INFO] [stderr]     Checking chrono v0.4.11
[INFO] [stderr]     Checking dicom-core v0.2.0
[INFO] [stderr]     Checking dicom-dictionary-std v0.2.0
[INFO] [stderr]    Compiling inventory-impl v0.1.6
[INFO] [stderr]    Compiling ctor v0.1.14
[INFO] [stderr]    Compiling ghost v0.1.1
[INFO] [stderr]     Checking dicom-encoding v0.2.0
[INFO] [stderr]     Checking dicom-transfer-syntax-registry v0.2.0
[INFO] [stderr]     Checking dicom-parser v0.2.0
[INFO] [stderr]     Checking dicom-object v0.2.0
[INFO] [stderr]     Checking dicom v0.2.0
[INFO] [stderr]  Documenting dcmdump v0.2.0 (/opt/rustwide/workdir)
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 27.23s
[INFO] running `Command { std: "docker" "inspect" "430b619f6da28e484a67a7962f77240e8ef928b999ba461a6a2be41da0c0a849", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "430b619f6da28e484a67a7962f77240e8ef928b999ba461a6a2be41da0c0a849", kill_on_drop: false }`
[INFO] [stdout] 430b619f6da28e484a67a7962f77240e8ef928b999ba461a6a2be41da0c0a849