[INFO] fetching crate x11-screenshot 0.2.1...
[INFO] testing x11-screenshot-0.2.1 against 1.59.0 for beta-1.60-1
[INFO] extracting crate x11-screenshot 0.2.1 into /workspace/builds/worker-12/source
[INFO] validating manifest of crates.io crate x11-screenshot 0.2.1 on toolchain 1.59.0
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+1.59.0" "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-12/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" "+1.59.0" "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-12/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-12/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@sha256:0cd99ca24d8e8c98e67c542213511d985b8778b5bdcbb160e038429496686047" "/opt/rustwide/cargo-home/bin/cargo" "+1.59.0" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] 0349fd96d50f1e760e2bac0f783b83d67b494351c759e4f762d00394e05e30a9
[INFO] running `Command { std: "docker" "start" "-a" "0349fd96d50f1e760e2bac0f783b83d67b494351c759e4f762d00394e05e30a9", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "0349fd96d50f1e760e2bac0f783b83d67b494351c759e4f762d00394e05e30a9", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "0349fd96d50f1e760e2bac0f783b83d67b494351c759e4f762d00394e05e30a9", kill_on_drop: false }`
[INFO] [stdout] 0349fd96d50f1e760e2bac0f783b83d67b494351c759e4f762d00394e05e30a9
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-12/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-12/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=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@sha256:0cd99ca24d8e8c98e67c542213511d985b8778b5bdcbb160e038429496686047" "/opt/rustwide/cargo-home/bin/cargo" "+1.59.0" "build" "--frozen" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] d951a95fa2ef0445ff5022ffa2846dd4da3144edf6d4cc8cc395f7849b939a6d
[INFO] running `Command { std: "docker" "start" "-a" "d951a95fa2ef0445ff5022ffa2846dd4da3144edf6d4cc8cc395f7849b939a6d", kill_on_drop: false }`
[INFO] [stderr]     Blocking waiting for file lock on package cache
[INFO] [stderr]    Compiling libc v0.2.85
[INFO] [stderr]    Compiling pkg-config v0.3.19
[INFO] [stderr]    Compiling byteorder v1.4.2
[INFO] [stderr]    Compiling bytemuck v1.5.0
[INFO] [stderr]    Compiling color_quant v1.1.0
[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]    Compiling image v0.23.13
[INFO] [stderr]    Compiling x11-screenshot v0.2.1 (/opt/rustwide/workdir)
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 5.64s
[INFO] running `Command { std: "docker" "inspect" "d951a95fa2ef0445ff5022ffa2846dd4da3144edf6d4cc8cc395f7849b939a6d", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "d951a95fa2ef0445ff5022ffa2846dd4da3144edf6d4cc8cc395f7849b939a6d", kill_on_drop: false }`
[INFO] [stdout] d951a95fa2ef0445ff5022ffa2846dd4da3144edf6d4cc8cc395f7849b939a6d
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-12/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-12/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=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@sha256:0cd99ca24d8e8c98e67c542213511d985b8778b5bdcbb160e038429496686047" "/opt/rustwide/cargo-home/bin/cargo" "+1.59.0" "test" "--frozen" "--no-run" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] 64efbd5abc3a5a096908fc61b499556432fde8e746cd146f5a2fb2ff352630fd
[INFO] running `Command { std: "docker" "start" "-a" "64efbd5abc3a5a096908fc61b499556432fde8e746cd146f5a2fb2ff352630fd", kill_on_drop: false }`
[INFO] [stderr]    Compiling x11-screenshot v0.2.1 (/opt/rustwide/workdir)
[INFO] [stderr]     Finished test [unoptimized + debuginfo] target(s) in 0.52s
[INFO] running `Command { std: "docker" "inspect" "64efbd5abc3a5a096908fc61b499556432fde8e746cd146f5a2fb2ff352630fd", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "64efbd5abc3a5a096908fc61b499556432fde8e746cd146f5a2fb2ff352630fd", kill_on_drop: false }`
[INFO] [stdout] 64efbd5abc3a5a096908fc61b499556432fde8e746cd146f5a2fb2ff352630fd
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-12/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-12/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=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@sha256:0cd99ca24d8e8c98e67c542213511d985b8778b5bdcbb160e038429496686047" "/opt/rustwide/cargo-home/bin/cargo" "+1.59.0" "test" "--frozen", kill_on_drop: false }`
[INFO] [stdout] 2c5305f16c1cd8a54d77ac70036007a154cfbdbb1fcf838b64026e46c7d6194e
[INFO] running `Command { std: "docker" "start" "-a" "2c5305f16c1cd8a54d77ac70036007a154cfbdbb1fcf838b64026e46c7d6194e", kill_on_drop: false }`
[INFO] [stderr]     Finished test [unoptimized + debuginfo] target(s) in 0.02s
[INFO] [stderr]      Running unittests (/opt/rustwide/target/debug/deps/x11_screenshot-2e25231ed48f6c39)
[INFO] [stdout] 
[INFO] [stderr]    Doc-tests x11-screenshot
[INFO] [stdout] running 0 tests
[INFO] [stdout] 
[INFO] [stdout] test result: ok. 0 passed; 0 failed; 0 ignored; 0 measured; 0 filtered out; finished in 0.00s
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] running 0 tests
[INFO] [stdout] 
[INFO] [stdout] test result: ok. 0 passed; 0 failed; 0 ignored; 0 measured; 0 filtered out; finished in 0.00s
[INFO] [stdout] 
[INFO] running `Command { std: "docker" "inspect" "2c5305f16c1cd8a54d77ac70036007a154cfbdbb1fcf838b64026e46c7d6194e", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "2c5305f16c1cd8a54d77ac70036007a154cfbdbb1fcf838b64026e46c7d6194e", kill_on_drop: false }`
[INFO] [stdout] 2c5305f16c1cd8a54d77ac70036007a154cfbdbb1fcf838b64026e46c7d6194e