[INFO] fetching crate iconwriter 2.0.1...
[INFO] documenting iconwriter-2.0.1 against 1.54.0 for beta-1.55-rustdoc-1
[INFO] extracting crate iconwriter 2.0.1 into /workspace/builds/worker-7/source
[INFO] validating manifest of crates.io crate iconwriter 2.0.1 on toolchain 1.54.0
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+1.54.0" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }`
[INFO] started tweaking crates.io crate iconwriter 2.0.1
[INFO] finished tweaking crates.io crate iconwriter 2.0.1
[INFO] tweaked toml for crates.io crate iconwriter 2.0.1 written to /workspace/builds/worker-7/source/Cargo.toml
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+1.54.0" "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" "+1.54.0" "fetch" "--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-7/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-7/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" "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" "--user" "0:0" "--network" "none" "ghcr.io/rust-lang/crates-build-env/linux@sha256:34b6a614d2c27851fe6cbf88fbd1137609cefab8b10d0615aaeb6fd47975d74e" "/opt/rustwide/cargo-home/bin/cargo" "+1.54.0" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] 1b21697102ca4cf3f8df3cd486652cc2f9b12b178d5f515e9d0ffb990e3d2138
[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" "1b21697102ca4cf3f8df3cd486652cc2f9b12b178d5f515e9d0ffb990e3d2138", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "1b21697102ca4cf3f8df3cd486652cc2f9b12b178d5f515e9d0ffb990e3d2138", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "1b21697102ca4cf3f8df3cd486652cc2f9b12b178d5f515e9d0ffb990e3d2138", kill_on_drop: false }`
[INFO] [stdout] 1b21697102ca4cf3f8df3cd486652cc2f9b12b178d5f515e9d0ffb990e3d2138
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-7/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-7/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" "CARGO_TARGET_DIR=/opt/rustwide/target" "-e" "CARGO_INCREMENTAL=0" "-e" "RUST_BACKTRACE=full" "-e" "RUSTDOCFLAGS=--cap-lints=warn" "-e" "CARGO_HOME=/opt/rustwide/cargo-home" "-e" "RUSTUP_HOME=/opt/rustwide/rustup-home" "-w" "/opt/rustwide/workdir" "-m" "1610612736" "--user" "0:0" "--network" "none" "ghcr.io/rust-lang/crates-build-env/linux@sha256:34b6a614d2c27851fe6cbf88fbd1137609cefab8b10d0615aaeb6fd47975d74e" "/opt/rustwide/cargo-home/bin/cargo" "+1.54.0" "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] 66323ee4c6e43bb5d4f6e60ab2d7a6c6f6e1d3925dd3d481e45cc2227460bba2
[INFO] running `Command { std: "docker" "start" "-a" "66323ee4c6e43bb5d4f6e60ab2d7a6c6f6e1d3925dd3d481e45cc2227460bba2", kill_on_drop: false }`
[INFO] [stderr]     Checking float-cmp v0.5.3
[INFO] [stderr]     Checking xmlparser v0.10.0
[INFO] [stderr]     Checking unicode-script v0.3.0
[INFO] [stderr]     Checking xmlwriter v0.1.0
[INFO] [stderr]     Checking sw-composite v0.5.10
[INFO] [stderr]     Checking ttf-parser v0.2.2
[INFO] [stderr]     Checking rctree v0.3.3
[INFO] [stderr]     Checking bytemuck v1.7.2
[INFO] [stderr]     Checking typed-arena v1.7.0
[INFO] [stderr]     Checking unicode-vo v0.1.0
[INFO] [stderr]    Compiling harfbuzz-sys v0.4.1
[INFO] [stderr]     Checking data-url v0.1.0
[INFO] [stderr]    Compiling freetype-sys v0.11.0
[INFO] [stderr]     Checking filetime v0.2.14
[INFO] [stderr]     Checking xattr v0.2.2
[INFO] [stderr]     Checking png v0.15.3
[INFO] [stderr]     Checking kurbo v0.2.3
[INFO] [stderr]     Checking simplecss v0.2.1
[INFO] [stderr]     Checking euclid v0.20.14
[INFO] [stderr]     Checking icns v0.3.1
[INFO] [stderr]     Checking num-rational v0.2.4
[INFO] [stderr]     Checking rgb v0.8.27
[INFO] [stderr]     Checking tiff v0.3.1
[INFO] [stderr]     Checking ico v0.1.0
[INFO] [stderr]     Checking svgtypes v0.5.0
[INFO] [stderr]     Checking tar v0.4.35
[INFO] [stderr]     Checking roxmltree v0.7.3
[INFO] [stderr]     Checking image v0.22.5
[INFO] [stderr]     Checking freetype v0.5.1
[INFO] [stderr]     Checking lyon_geom v0.14.1
[INFO] [stderr]     Checking raqote v0.6.4
[INFO] [stderr]     Checking harfbuzz_rs v1.2.0
[INFO] [stderr]     Checking usvg v0.8.0
[INFO] [stderr]     Checking resvg v0.8.0
[INFO] [stderr]  Documenting iconwriter v2.0.1 (/opt/rustwide/workdir)
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 12.15s
[INFO] running `Command { std: "docker" "inspect" "66323ee4c6e43bb5d4f6e60ab2d7a6c6f6e1d3925dd3d481e45cc2227460bba2", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "66323ee4c6e43bb5d4f6e60ab2d7a6c6f6e1d3925dd3d481e45cc2227460bba2", kill_on_drop: false }`
[INFO] [stdout] 66323ee4c6e43bb5d4f6e60ab2d7a6c6f6e1d3925dd3d481e45cc2227460bba2
