[INFO] fetching crate webscreenshot 0.2.2...
[INFO] testing webscreenshot-0.2.2 against 1.49.0 for beta-1.50-1
[INFO] extracting crate webscreenshot 0.2.2 into /workspace/builds/worker-3/source
[INFO] validating manifest of crates.io crate webscreenshot 0.2.2 on toolchain 1.49.0
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+1.49.0" "read-manifest" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] started tweaking crates.io crate webscreenshot 0.2.2
[INFO] finished tweaking crates.io crate webscreenshot 0.2.2
[INFO] tweaked toml for crates.io crate webscreenshot 0.2.2 written to /workspace/builds/worker-3/source/Cargo.toml
[INFO] crate crates.io crate webscreenshot 0.2.2 already has a lockfile, it will not be regenerated
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+1.49.0" "fetch" "--locked" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-3/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-3/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:b8eeb62f26c39b23691079a6cb6de528d8e88b4d71a8f6b1d30f8ba7d9c16de9" "/opt/rustwide/cargo-home/bin/cargo" "+1.49.0" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] f434bf1cc33dcfea2e83bdabb257b764ecadd760dd1abb4378412c40e9d99af2
[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" "f434bf1cc33dcfea2e83bdabb257b764ecadd760dd1abb4378412c40e9d99af2", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "f434bf1cc33dcfea2e83bdabb257b764ecadd760dd1abb4378412c40e9d99af2", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "f434bf1cc33dcfea2e83bdabb257b764ecadd760dd1abb4378412c40e9d99af2", kill_on_drop: false }`
[INFO] [stdout] f434bf1cc33dcfea2e83bdabb257b764ecadd760dd1abb4378412c40e9d99af2
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-3/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-3/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" "rustops/crates-build-env@sha256:b8eeb62f26c39b23691079a6cb6de528d8e88b4d71a8f6b1d30f8ba7d9c16de9" "/opt/rustwide/cargo-home/bin/cargo" "+1.49.0" "build" "--frozen" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] f0921e2e8e29524d2d59e470ce080e27eccd1c8255f8b514d7cf430247fca6d9
[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" "f0921e2e8e29524d2d59e470ce080e27eccd1c8255f8b514d7cf430247fca6d9", kill_on_drop: false }`
[INFO] [stderr]     Blocking waiting for file lock on package cache
[INFO] [stderr]    Compiling syn v1.0.30
[INFO] [stderr]    Compiling serde v1.0.111
[INFO] [stderr]    Compiling itoa v0.4.5
[INFO] [stderr]    Compiling addr2line v0.12.1
[INFO] [stderr]    Compiling proc-macro2 v1.0.18
[INFO] [stderr]    Compiling derive_builder v0.7.2
[INFO] [stderr]    Compiling rand_os v0.1.3
[INFO] [stderr]    Compiling mime v0.2.6
[INFO] [stderr]    Compiling darling_core v0.9.0
[INFO] [stderr]    Compiling env_logger v0.6.2
[INFO] [stderr]    Compiling tempfile v3.1.0
[INFO] [stderr]    Compiling backtrace v0.3.48
[INFO] [stderr]    Compiling rand v0.6.5
[INFO] [stderr]    Compiling hyper v0.10.16
[INFO] [stderr]    Compiling quote v1.0.6
[INFO] [stderr]    Compiling websocket v0.23.0
[INFO] [stderr]    Compiling darling_macro v0.9.0
[INFO] [stderr]    Compiling synstructure v0.12.3
[INFO] [stderr]    Compiling serde_derive v1.0.111
[INFO] [stderr]    Compiling failure_derive v0.1.8
[INFO] [stderr]    Compiling darling v0.9.0
[INFO] [stderr]    Compiling derive_builder_core v0.5.0
[INFO] [stderr]    Compiling failure v0.1.8
[INFO] [stderr]    Compiling which v2.0.1
[INFO] [stderr]    Compiling serde_json v1.0.53
[INFO] [stderr]    Compiling headless_chrome v0.9.0
[INFO] [stderr]    Compiling webscreenshot v0.2.2 (/opt/rustwide/workdir)
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 57.96s
[INFO] running `Command { std: "docker" "inspect" "f0921e2e8e29524d2d59e470ce080e27eccd1c8255f8b514d7cf430247fca6d9", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "f0921e2e8e29524d2d59e470ce080e27eccd1c8255f8b514d7cf430247fca6d9", kill_on_drop: false }`
[INFO] [stdout] f0921e2e8e29524d2d59e470ce080e27eccd1c8255f8b514d7cf430247fca6d9
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-3/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-3/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" "rustops/crates-build-env@sha256:b8eeb62f26c39b23691079a6cb6de528d8e88b4d71a8f6b1d30f8ba7d9c16de9" "/opt/rustwide/cargo-home/bin/cargo" "+1.49.0" "test" "--frozen" "--no-run" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] 8948ecb55a885721732ceebd5aa430bc9344d9a91ff0c411fd63721ca391390a
[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" "8948ecb55a885721732ceebd5aa430bc9344d9a91ff0c411fd63721ca391390a", kill_on_drop: false }`
[INFO] [stderr]     Blocking waiting for file lock on package cache
[INFO] [stderr]    Compiling more-asserts v0.2.1
[INFO] [stderr]    Compiling webscreenshot v0.2.2 (/opt/rustwide/workdir)
[INFO] [stderr]     Finished test [unoptimized + debuginfo] target(s) in 2.15s
[INFO] running `Command { std: "docker" "inspect" "8948ecb55a885721732ceebd5aa430bc9344d9a91ff0c411fd63721ca391390a", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "8948ecb55a885721732ceebd5aa430bc9344d9a91ff0c411fd63721ca391390a", kill_on_drop: false }`
[INFO] [stdout] 8948ecb55a885721732ceebd5aa430bc9344d9a91ff0c411fd63721ca391390a
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-3/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-3/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" "rustops/crates-build-env@sha256:b8eeb62f26c39b23691079a6cb6de528d8e88b4d71a8f6b1d30f8ba7d9c16de9" "/opt/rustwide/cargo-home/bin/cargo" "+1.49.0" "test" "--frozen", kill_on_drop: false }`
[INFO] [stdout] 2cff483c66504db48a8073d250509389511061b21f3ef756ebf2d6ef4b92564e
[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" "2cff483c66504db48a8073d250509389511061b21f3ef756ebf2d6ef4b92564e", kill_on_drop: false }`
[INFO] [stderr]     Finished test [unoptimized + debuginfo] target(s) in 0.11s
[INFO] [stdout] 
[INFO] [stderr]      Running /opt/rustwide/target/debug/deps/webscreenshotlib-45cd30155e2417d4
[INFO] [stdout] running 0 tests
[INFO] [stderr]    Doc-tests webscreenshotlib
[INFO] [stdout] 
[INFO] [stdout] test result: ok. 0 passed; 0 failed; 0 ignored; 0 measured; 0 filtered out
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] running 1 test
[INFO] [stdout] test src/lib.rs - screenshot_tab (line 18) ... ok
[INFO] [stdout] 
[INFO] [stdout] test result: ok. 1 passed; 0 failed; 0 ignored; 0 measured; 0 filtered out
[INFO] [stdout] 
[INFO] running `Command { std: "docker" "inspect" "2cff483c66504db48a8073d250509389511061b21f3ef756ebf2d6ef4b92564e", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "2cff483c66504db48a8073d250509389511061b21f3ef756ebf2d6ef4b92564e", kill_on_drop: false }`
[INFO] [stdout] 2cff483c66504db48a8073d250509389511061b21f3ef756ebf2d6ef4b92564e