[INFO] fetching crate x11-screenshot 0.2.1...
[INFO] checking x11-screenshot-0.2.1 against master#f82664191d0e8764b7435b9d72eb0e366b8b1464 for pr-83354
[INFO] extracting crate x11-screenshot 0.2.1 into /workspace/builds/worker-6/source
[INFO] validating manifest of crates.io crate x11-screenshot 0.2.1 on toolchain f82664191d0e8764b7435b9d72eb0e366b8b1464
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+f82664191d0e8764b7435b9d72eb0e366b8b1464" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }`
[INFO] started tweaking crates.io crate x11-screenshot 0.2.1
[INFO] removed 0 missing examples
[INFO] finished tweaking crates.io crate x11-screenshot 0.2.1
[INFO] tweaked toml for crates.io crate x11-screenshot 0.2.1 written to /workspace/builds/worker-6/source/Cargo.toml
[INFO] crate crates.io crate x11-screenshot 0.2.1 already has a lockfile, it will not be regenerated
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+f82664191d0e8764b7435b9d72eb0e366b8b1464" "fetch" "--locked" "--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-6/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-6/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@sha256:4f92631de1aa59f8320307485d3b3c869a5c90ab1d76ce2cffab9807b8c9a1fb" "/opt/rustwide/cargo-home/bin/cargo" "+f82664191d0e8764b7435b9d72eb0e366b8b1464" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] 92e19e1a495f94e4dd4b5c2d71772f45eed7bc58afd3d07f917dedbbed55cd2b
[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" "92e19e1a495f94e4dd4b5c2d71772f45eed7bc58afd3d07f917dedbbed55cd2b", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "92e19e1a495f94e4dd4b5c2d71772f45eed7bc58afd3d07f917dedbbed55cd2b", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "92e19e1a495f94e4dd4b5c2d71772f45eed7bc58afd3d07f917dedbbed55cd2b", kill_on_drop: false }`
[INFO] [stdout] 92e19e1a495f94e4dd4b5c2d71772f45eed7bc58afd3d07f917dedbbed55cd2b
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-6/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-6/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@sha256:4f92631de1aa59f8320307485d3b3c869a5c90ab1d76ce2cffab9807b8c9a1fb" "/opt/rustwide/cargo-home/bin/cargo" "+f82664191d0e8764b7435b9d72eb0e366b8b1464" "check" "--frozen" "--all" "--all-targets" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] a9de5161c98c4c6b144bfad20267e9021c81e30dd19eb06d4cecddaffee06466
[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" "a9de5161c98c4c6b144bfad20267e9021c81e30dd19eb06d4cecddaffee06466", kill_on_drop: false }`
[INFO] [stderr]    Compiling libc v0.2.85
[INFO] [stderr]     Checking bytemuck v1.5.0
[INFO] [stderr]    Compiling num-integer v0.1.44
[INFO] [stderr]    Compiling num-iter v0.1.42
[INFO] [stderr]    Compiling num-rational v0.3.2
[INFO] [stderr]    Compiling x11 v2.18.2
[INFO] [stderr]     Checking image v0.23.13
[INFO] [stderr]     Checking x11-screenshot v0.2.1 (/opt/rustwide/workdir)
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 7.80s
[INFO] running `Command { std: "docker" "inspect" "a9de5161c98c4c6b144bfad20267e9021c81e30dd19eb06d4cecddaffee06466", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "a9de5161c98c4c6b144bfad20267e9021c81e30dd19eb06d4cecddaffee06466", kill_on_drop: false }`
[INFO] [stdout] a9de5161c98c4c6b144bfad20267e9021c81e30dd19eb06d4cecddaffee06466