[INFO] fetching crate x11-screenshot 0.2.0...
[INFO] checking x11-screenshot-0.2.0 against try#0ab79c4b48ad19260fa46623f452c1b403a360e8 for pr-74315
[INFO] extracting crate x11-screenshot 0.2.0 into /workspace/builds/worker-4/source
[INFO] validating manifest of crates.io crate x11-screenshot 0.2.0 on toolchain 0ab79c4b48ad19260fa46623f452c1b403a360e8
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+0ab79c4b48ad19260fa46623f452c1b403a360e8" "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-4/source/Cargo.toml
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+0ab79c4b48ad19260fa46623f452c1b403a360e8" "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" "+0ab79c4b48ad19260fa46623f452c1b403a360e8" "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:d9fbb4e2287ab3795bdefaf705efb7541a8875c13bce71e067d6b01dc5ed759b" "/opt/rustwide/cargo-home/bin/cargo" "+0ab79c4b48ad19260fa46623f452c1b403a360e8" "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] d01f0c29d07bf537714ab612424525f055a77d0ad9b014c573f39072cf3f0aa8
[INFO] running `Command { std: "docker" "start" "-a" "d01f0c29d07bf537714ab612424525f055a77d0ad9b014c573f39072cf3f0aa8", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "d01f0c29d07bf537714ab612424525f055a77d0ad9b014c573f39072cf3f0aa8", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "d01f0c29d07bf537714ab612424525f055a77d0ad9b014c573f39072cf3f0aa8", kill_on_drop: false }`
[INFO] [stdout] d01f0c29d07bf537714ab612424525f055a77d0ad9b014c573f39072cf3f0aa8
[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" "RUSTFLAGS=--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:d9fbb4e2287ab3795bdefaf705efb7541a8875c13bce71e067d6b01dc5ed759b" "/opt/rustwide/cargo-home/bin/cargo" "+0ab79c4b48ad19260fa46623f452c1b403a360e8" "check" "--frozen" "--all" "--all-targets" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] bd66fc1edd23311cc2e2110fef659ce4fcda3096675d02e64bc127c19eef73fa
[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" "bd66fc1edd23311cc2e2110fef659ce4fcda3096675d02e64bc127c19eef73fa", kill_on_drop: false }`
[INFO] [stderr]     Checking lzw v0.10.0
[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 6.07s
[INFO] running `Command { std: "docker" "inspect" "bd66fc1edd23311cc2e2110fef659ce4fcda3096675d02e64bc127c19eef73fa", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "bd66fc1edd23311cc2e2110fef659ce4fcda3096675d02e64bc127c19eef73fa", kill_on_drop: false }`
[INFO] [stdout] bd66fc1edd23311cc2e2110fef659ce4fcda3096675d02e64bc127c19eef73fa