[INFO] fetching crate x11-screenshot 0.2.0...
[INFO] checking x11-screenshot-0.2.0 against master#af3c6e733a40e671550e0f0f5aeecaa13772ba56 for pr-74989
[INFO] extracting crate x11-screenshot 0.2.0 into /workspace/builds/worker-8/source
[INFO] validating manifest of crates.io crate x11-screenshot 0.2.0 on toolchain af3c6e733a40e671550e0f0f5aeecaa13772ba56
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+af3c6e733a40e671550e0f0f5aeecaa13772ba56" "read-manifest" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] started tweaking crates.io crate x11-screenshot 0.2.0
[INFO] removed 0 missing examples
[INFO] finished tweaking crates.io crate x11-screenshot 0.2.0
[INFO] tweaked toml for crates.io crate x11-screenshot 0.2.0 written to /workspace/builds/worker-8/source/Cargo.toml
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+af3c6e733a40e671550e0f0f5aeecaa13772ba56" "generate-lockfile" "--manifest-path" "Cargo.toml" "-Zno-index-update", kill_on_drop: false }`
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+af3c6e733a40e671550e0f0f5aeecaa13772ba56" "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" "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" "rustops/crates-build-env@sha256:d92eaeed33fa75130ca1ee6c8a01d1ffb62bac859dfdfb3450e3e5d1c0146529" "/opt/rustwide/cargo-home/bin/cargo" "+af3c6e733a40e671550e0f0f5aeecaa13772ba56" "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] c2a10a37921e84f83af9ac90d30e4a770187e30c382db5b6175e4d3359eb5d90
[INFO] running `Command { std: "docker" "start" "-a" "c2a10a37921e84f83af9ac90d30e4a770187e30c382db5b6175e4d3359eb5d90", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "c2a10a37921e84f83af9ac90d30e4a770187e30c382db5b6175e4d3359eb5d90", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "c2a10a37921e84f83af9ac90d30e4a770187e30c382db5b6175e4d3359eb5d90", kill_on_drop: false }`
[INFO] [stdout] c2a10a37921e84f83af9ac90d30e4a770187e30c382db5b6175e4d3359eb5d90
[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" "CARGO_TARGET_DIR=/opt/rustwide/target" "-e" "CARGO_INCREMENTAL=0" "-e" "RUST_BACKTRACE=full" "-e" "RUSTFLAGS=--cap-lints=forbid" "-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" "rustops/crates-build-env@sha256:d92eaeed33fa75130ca1ee6c8a01d1ffb62bac859dfdfb3450e3e5d1c0146529" "/opt/rustwide/cargo-home/bin/cargo" "+af3c6e733a40e671550e0f0f5aeecaa13772ba56" "check" "--frozen" "--all" "--all-targets" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] 7a5750f19a33b6f56cdfddca3cbfc9e86185e4a3996319bbc8ef0d46dacc5f10
[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" "7a5750f19a33b6f56cdfddca3cbfc9e86185e4a3996319bbc8ef0d46dacc5f10", kill_on_drop: false }`
[INFO] [stderr]    Compiling autocfg v1.0.1
[INFO] [stderr]    Compiling byteorder v1.3.4
[INFO] [stderr]    Compiling libc v0.2.77
[INFO] [stderr]    Compiling pkg-config v0.3.18
[INFO] [stderr]     Checking lzw v0.10.0
[INFO] [stderr]    Compiling num-traits v0.2.12
[INFO] [stderr]    Compiling num-integer v0.1.43
[INFO] [stderr]    Compiling num-rational v0.2.4
[INFO] [stderr]    Compiling num-iter v0.1.41
[INFO] [stderr]    Compiling x11 v2.18.2
[INFO] [stderr]     Checking image v0.21.3
[INFO] [stderr]     Checking x11-screenshot v0.2.0 (/opt/rustwide/workdir)
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 12.55s
[INFO] running `Command { std: "docker" "inspect" "7a5750f19a33b6f56cdfddca3cbfc9e86185e4a3996319bbc8ef0d46dacc5f10", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "7a5750f19a33b6f56cdfddca3cbfc9e86185e4a3996319bbc8ef0d46dacc5f10", kill_on_drop: false }`
[INFO] [stdout] 7a5750f19a33b6f56cdfddca3cbfc9e86185e4a3996319bbc8ef0d46dacc5f10
