[INFO] fetching crate servos 0.0.5...
[INFO] testing servos-0.0.5 against try#722e1797249a965b6335aebd65d777f917e498f1 for pr-91031
[INFO] extracting crate servos 0.0.5 into /workspace/builds/worker-6/source
[INFO] validating manifest of crates.io crate servos 0.0.5 on toolchain 722e1797249a965b6335aebd65d777f917e498f1
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+722e1797249a965b6335aebd65d777f917e498f1" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }`
[INFO] started tweaking crates.io crate servos 0.0.5
[INFO] finished tweaking crates.io crate servos 0.0.5
[INFO] tweaked toml for crates.io crate servos 0.0.5 written to /workspace/builds/worker-6/source/Cargo.toml
[INFO] crate crates.io crate servos 0.0.5 already has a lockfile, it will not be regenerated
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+722e1797249a965b6335aebd65d777f917e498f1" "fetch" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] [stderr]     Blocking waiting for file lock on package cache
[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" "ghcr.io/rust-lang/crates-build-env/linux@sha256:5736fa189c1c60b01babf4b8b698fe57b6ecc41933a7ff2e0b8d7a221459412b" "/opt/rustwide/cargo-home/bin/cargo" "+722e1797249a965b6335aebd65d777f917e498f1" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] b9a3e34d2018f6d5b91f7a7e8e106387399e78cec56e75d46a5bd723358cc0dd
[INFO] running `Command { std: "docker" "start" "-a" "b9a3e34d2018f6d5b91f7a7e8e106387399e78cec56e75d46a5bd723358cc0dd", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "b9a3e34d2018f6d5b91f7a7e8e106387399e78cec56e75d46a5bd723358cc0dd", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "b9a3e34d2018f6d5b91f7a7e8e106387399e78cec56e75d46a5bd723358cc0dd", kill_on_drop: false }`
[INFO] [stdout] b9a3e34d2018f6d5b91f7a7e8e106387399e78cec56e75d46a5bd723358cc0dd
[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" "ghcr.io/rust-lang/crates-build-env/linux@sha256:5736fa189c1c60b01babf4b8b698fe57b6ecc41933a7ff2e0b8d7a221459412b" "/opt/rustwide/cargo-home/bin/cargo" "+722e1797249a965b6335aebd65d777f917e498f1" "build" "--frozen" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] 03096a506c13a123c6921ac694ab7659ae9d426267871a38bc773dfc2bd65e70
[INFO] running `Command { std: "docker" "start" "-a" "03096a506c13a123c6921ac694ab7659ae9d426267871a38bc773dfc2bd65e70", kill_on_drop: false }`
[INFO] [stderr]     Blocking waiting for file lock on package cache
[INFO] [stderr]    Compiling libc v0.2.72
[INFO] [stderr]    Compiling lazy_static v1.4.0
[INFO] [stderr]    Compiling rppal v0.11.3
[INFO] [stderr]    Compiling servos v0.0.5 (/opt/rustwide/workdir)
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 4.29s
[INFO] running `Command { std: "docker" "inspect" "03096a506c13a123c6921ac694ab7659ae9d426267871a38bc773dfc2bd65e70", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "03096a506c13a123c6921ac694ab7659ae9d426267871a38bc773dfc2bd65e70", kill_on_drop: false }`
[INFO] [stdout] 03096a506c13a123c6921ac694ab7659ae9d426267871a38bc773dfc2bd65e70
[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" "ghcr.io/rust-lang/crates-build-env/linux@sha256:5736fa189c1c60b01babf4b8b698fe57b6ecc41933a7ff2e0b8d7a221459412b" "/opt/rustwide/cargo-home/bin/cargo" "+722e1797249a965b6335aebd65d777f917e498f1" "test" "--frozen" "--no-run" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] 4c5f8403158eb7646a66590b98f40069367d87be7087be122fa8b634b20826d0
[INFO] running `Command { std: "docker" "start" "-a" "4c5f8403158eb7646a66590b98f40069367d87be7087be122fa8b634b20826d0", kill_on_drop: false }`
[INFO] [stderr]    Compiling servos v0.0.5 (/opt/rustwide/workdir)
[INFO] [stderr]     Finished test [unoptimized + debuginfo] target(s) in 0.64s
[INFO] running `Command { std: "docker" "inspect" "4c5f8403158eb7646a66590b98f40069367d87be7087be122fa8b634b20826d0", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "4c5f8403158eb7646a66590b98f40069367d87be7087be122fa8b634b20826d0", kill_on_drop: false }`
[INFO] [stdout] 4c5f8403158eb7646a66590b98f40069367d87be7087be122fa8b634b20826d0
[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" "ghcr.io/rust-lang/crates-build-env/linux@sha256:5736fa189c1c60b01babf4b8b698fe57b6ecc41933a7ff2e0b8d7a221459412b" "/opt/rustwide/cargo-home/bin/cargo" "+722e1797249a965b6335aebd65d777f917e498f1" "test" "--frozen", kill_on_drop: false }`
[INFO] [stdout] 8dab8f1ff11e21d473e4d77be5e91716a5003cc95212d648dbbce7cb38f908b6
[INFO] running `Command { std: "docker" "start" "-a" "8dab8f1ff11e21d473e4d77be5e91716a5003cc95212d648dbbce7cb38f908b6", kill_on_drop: false }`
[INFO] [stdout] 
[INFO] [stderr]     Finished test [unoptimized + debuginfo] target(s) in 0.03s
[INFO] [stdout] running 0 tests
[INFO] [stderr]      Running unittests (/opt/rustwide/target/debug/deps/servos-bb7d0d598495c242)
[INFO] [stdout] 
[INFO] [stderr]      Running unittests (/opt/rustwide/target/debug/deps/servos-d0888e8d1525af0c)
[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 servos
[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] [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" "8dab8f1ff11e21d473e4d77be5e91716a5003cc95212d648dbbce7cb38f908b6", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "8dab8f1ff11e21d473e4d77be5e91716a5003cc95212d648dbbce7cb38f908b6", kill_on_drop: false }`
[INFO] [stdout] 8dab8f1ff11e21d473e4d77be5e91716a5003cc95212d648dbbce7cb38f908b6