[INFO] fetching crate webscreenshot 0.2.2...
[INFO] testing webscreenshot-0.2.2 against master#99e3aef02079e9c10583638520cd0c134dc3a01d for pr-85530
[INFO] extracting crate webscreenshot 0.2.2 into /workspace/builds/worker-2/source
[INFO] validating manifest of crates.io crate webscreenshot 0.2.2 on toolchain 99e3aef02079e9c10583638520cd0c134dc3a01d
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+99e3aef02079e9c10583638520cd0c134dc3a01d" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", 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-2/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" "+99e3aef02079e9c10583638520cd0c134dc3a01d" "fetch" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-2/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@sha256:20528e8c29e4536546f0102ce88568b16ea7538393a33fcca951030f7af10457" "/opt/rustwide/cargo-home/bin/cargo" "+99e3aef02079e9c10583638520cd0c134dc3a01d" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] 271d57754ecb0ce3dfd5c1b475e1d369d65bb1ee25cc806d959aa5267930160b
[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" "271d57754ecb0ce3dfd5c1b475e1d369d65bb1ee25cc806d959aa5267930160b", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "271d57754ecb0ce3dfd5c1b475e1d369d65bb1ee25cc806d959aa5267930160b", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "271d57754ecb0ce3dfd5c1b475e1d369d65bb1ee25cc806d959aa5267930160b", kill_on_drop: false }`
[INFO] [stdout] 271d57754ecb0ce3dfd5c1b475e1d369d65bb1ee25cc806d959aa5267930160b
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-2/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" "ghcr.io/rust-lang/crates-build-env/linux@sha256:20528e8c29e4536546f0102ce88568b16ea7538393a33fcca951030f7af10457" "/opt/rustwide/cargo-home/bin/cargo" "+99e3aef02079e9c10583638520cd0c134dc3a01d" "build" "--frozen" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] 216e5888298d09bc69b21d4c72001f8ee974dbbf55e7799359b386d2fff98c85
[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" "216e5888298d09bc69b21d4c72001f8ee974dbbf55e7799359b386d2fff98c85", kill_on_drop: false }`
[INFO] [stderr]    Compiling syn v1.0.30
[INFO] [stderr]    Compiling syn v0.15.44
[INFO] [stderr]    Compiling strsim v0.7.0
[INFO] [stderr]    Compiling smallvec v1.4.0
[INFO] [stderr]    Compiling ident_case v1.0.1
[INFO] [stderr]    Compiling fnv v1.0.7
[INFO] [stderr]    Compiling serde v1.0.111
[INFO] [stderr]    Compiling ryu v1.0.5
[INFO] [stderr]    Compiling derive_builder v0.7.2
[INFO] [stderr]    Compiling sha1 v0.6.0
[INFO] [stderr]    Compiling remove_dir_all v0.5.2
[INFO] [stderr]    Compiling thread_local v1.0.1
[INFO] [stderr]    Compiling proc-macro2 v1.0.18
[INFO] [stderr]    Compiling getrandom v0.1.14
[INFO] [stderr]    Compiling num_cpus v1.13.0
[INFO] [stderr]    Compiling backtrace v0.3.48
[INFO] [stderr]    Compiling time v0.1.43
[INFO] [stderr]    Compiling rand_os v0.1.3
[INFO] [stderr]    Compiling regex v1.3.9
[INFO] [stderr]    Compiling unicode-normalization v0.1.12
[INFO] [stderr]    Compiling rand_core v0.5.1
[INFO] [stderr]    Compiling rand v0.6.5
[INFO] [stderr]    Compiling quote v1.0.6
[INFO] [stderr]    Compiling rand_chacha v0.2.2
[INFO] [stderr]    Compiling rand v0.7.3
[INFO] [stderr]    Compiling idna v0.1.5
[INFO] [stderr]    Compiling url v1.7.2
[INFO] [stderr]    Compiling env_logger v0.6.2
[INFO] [stderr]    Compiling tempfile v3.1.0
[INFO] [stderr]    Compiling hyper v0.10.16
[INFO] [stderr]    Compiling websocket v0.23.0
[INFO] [stderr]    Compiling synstructure v0.12.3
[INFO] [stderr]    Compiling darling_core v0.9.0
[INFO] [stderr]    Compiling serde_derive v1.0.111
[INFO] [stderr]    Compiling failure_derive v0.1.8
[INFO] [stderr]    Compiling failure v0.1.8
[INFO] [stderr]    Compiling which v2.0.1
[INFO] [stderr]    Compiling darling_macro v0.9.0
[INFO] [stderr]    Compiling darling v0.9.0
[INFO] [stderr]    Compiling derive_builder_core v0.5.0
[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 1m 05s
[INFO] running `Command { std: "docker" "inspect" "216e5888298d09bc69b21d4c72001f8ee974dbbf55e7799359b386d2fff98c85", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "216e5888298d09bc69b21d4c72001f8ee974dbbf55e7799359b386d2fff98c85", kill_on_drop: false }`
[INFO] [stdout] 216e5888298d09bc69b21d4c72001f8ee974dbbf55e7799359b386d2fff98c85
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-2/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" "ghcr.io/rust-lang/crates-build-env/linux@sha256:20528e8c29e4536546f0102ce88568b16ea7538393a33fcca951030f7af10457" "/opt/rustwide/cargo-home/bin/cargo" "+99e3aef02079e9c10583638520cd0c134dc3a01d" "test" "--frozen" "--no-run" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] 0724e8a24acd8923b57167463f37e8c2a4b1a8d0ae5d4d1cf9626864aadf87e2
[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" "0724e8a24acd8923b57167463f37e8c2a4b1a8d0ae5d4d1cf9626864aadf87e2", kill_on_drop: false }`
[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 2.23s
[INFO] running `Command { std: "docker" "inspect" "0724e8a24acd8923b57167463f37e8c2a4b1a8d0ae5d4d1cf9626864aadf87e2", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "0724e8a24acd8923b57167463f37e8c2a4b1a8d0ae5d4d1cf9626864aadf87e2", kill_on_drop: false }`
[INFO] [stdout] 0724e8a24acd8923b57167463f37e8c2a4b1a8d0ae5d4d1cf9626864aadf87e2
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-2/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" "ghcr.io/rust-lang/crates-build-env/linux@sha256:20528e8c29e4536546f0102ce88568b16ea7538393a33fcca951030f7af10457" "/opt/rustwide/cargo-home/bin/cargo" "+99e3aef02079e9c10583638520cd0c134dc3a01d" "test" "--frozen", 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] 05364044a3a435d88b91ceaa259c123d8f1817962a42ff8583e619ef4e37eabb
[INFO] running `Command { std: "docker" "start" "-a" "05364044a3a435d88b91ceaa259c123d8f1817962a42ff8583e619ef4e37eabb", kill_on_drop: false }`
[INFO] [stderr]     Finished test [unoptimized + debuginfo] target(s) in 0.08s
[INFO] [stderr]      Running unittests (/opt/rustwide/target/debug/deps/webscreenshotlib-195a3912724c395a)
[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] [stderr]    Doc-tests webscreenshotlib
[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; finished in 1.97s
[INFO] [stdout] 
[INFO] running `Command { std: "docker" "inspect" "05364044a3a435d88b91ceaa259c123d8f1817962a42ff8583e619ef4e37eabb", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "05364044a3a435d88b91ceaa259c123d8f1817962a42ff8583e619ef4e37eabb", kill_on_drop: false }`
[INFO] [stdout] 05364044a3a435d88b91ceaa259c123d8f1817962a42ff8583e619ef4e37eabb