[INFO] fetching crate retina-browser 0.3.0...
[INFO] testing retina-browser-0.3.0 against 1.91.0 for beta-1.92-2
[INFO] extracting crate retina-browser 0.3.0 into /workspace/builds/worker-4-tc1/source
[INFO] started tweaking crates.io crate retina-browser 0.3.0
[INFO] finished tweaking crates.io crate retina-browser 0.3.0
[INFO] tweaked toml for crates.io crate retina-browser 0.3.0 written to /workspace/builds/worker-4-tc1/source/Cargo.toml
[INFO] validating manifest of crates.io crate retina-browser 0.3.0 on toolchain 1.91.0
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+1.91.0" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }`
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+1.91.0" "generate-lockfile" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+1.91.0" "fetch" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-4-tc1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-4-tc1/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@sha256:4848fb76d95f26979359cc7e45710b1dbc8f3acb7aeedee7c460d7702230f228" "/opt/rustwide/cargo-home/bin/cargo" "+1.91.0" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] bbf59c1b310eb05d32e8b8f49ccb89ed1d869e8d3a8423f57906fde8969eb68f
[INFO] running `Command { std: "docker" "start" "-a" "bbf59c1b310eb05d32e8b8f49ccb89ed1d869e8d3a8423f57906fde8969eb68f", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "bbf59c1b310eb05d32e8b8f49ccb89ed1d869e8d3a8423f57906fde8969eb68f", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "bbf59c1b310eb05d32e8b8f49ccb89ed1d869e8d3a8423f57906fde8969eb68f", kill_on_drop: false }`
[INFO] [stdout] bbf59c1b310eb05d32e8b8f49ccb89ed1d869e8d3a8423f57906fde8969eb68f
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-4-tc1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-4-tc1/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" "RUSTDOCFLAGS=--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@sha256:4848fb76d95f26979359cc7e45710b1dbc8f3acb7aeedee7c460d7702230f228" "/opt/rustwide/cargo-home/bin/cargo" "+1.91.0" "build" "--frozen" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] d49f7c7a9b62aa7d2b116e8a75a97fea52dad0350fcbe137168a9e66af54ba9c
[INFO] running `Command { std: "docker" "start" "-a" "d49f7c7a9b62aa7d2b116e8a75a97fea52dad0350fcbe137168a9e66af54ba9c", kill_on_drop: false }`
[INFO] [stderr]    Compiling retina-browser v0.3.0 (/opt/rustwide/workdir)
[INFO] [stderr]     Finished `dev` profile [unoptimized + debuginfo] target(s) in 0.11s
[INFO] running `Command { std: "docker" "inspect" "d49f7c7a9b62aa7d2b116e8a75a97fea52dad0350fcbe137168a9e66af54ba9c", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "d49f7c7a9b62aa7d2b116e8a75a97fea52dad0350fcbe137168a9e66af54ba9c", kill_on_drop: false }`
[INFO] [stdout] d49f7c7a9b62aa7d2b116e8a75a97fea52dad0350fcbe137168a9e66af54ba9c
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-4-tc1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-4-tc1/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" "RUSTDOCFLAGS=--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@sha256:4848fb76d95f26979359cc7e45710b1dbc8f3acb7aeedee7c460d7702230f228" "/opt/rustwide/cargo-home/bin/cargo" "+1.91.0" "test" "--frozen" "--no-run" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] d75067c25a4f9c4bb40c311ba9feb6b6b0938977e4b0646d7497a3bba2827dff
[INFO] running `Command { std: "docker" "start" "-a" "d75067c25a4f9c4bb40c311ba9feb6b6b0938977e4b0646d7497a3bba2827dff", kill_on_drop: false }`
[INFO] [stderr]    Compiling retina-browser v0.3.0 (/opt/rustwide/workdir)
[INFO] [stderr]     Finished `test` profile [unoptimized + debuginfo] target(s) in 0.18s
[INFO] running `Command { std: "docker" "inspect" "d75067c25a4f9c4bb40c311ba9feb6b6b0938977e4b0646d7497a3bba2827dff", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "d75067c25a4f9c4bb40c311ba9feb6b6b0938977e4b0646d7497a3bba2827dff", kill_on_drop: false }`
[INFO] [stdout] d75067c25a4f9c4bb40c311ba9feb6b6b0938977e4b0646d7497a3bba2827dff
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-4-tc1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-4-tc1/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" "RUSTDOCFLAGS=--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@sha256:4848fb76d95f26979359cc7e45710b1dbc8f3acb7aeedee7c460d7702230f228" "/opt/rustwide/cargo-home/bin/cargo" "+1.91.0" "test" "--frozen", kill_on_drop: false }`
[INFO] [stdout] e4bf5d61c572da762b5ba7a282a42c686d1cfdfb1daed4abee8215af14fbe7a1
[INFO] running `Command { std: "docker" "start" "-a" "e4bf5d61c572da762b5ba7a282a42c686d1cfdfb1daed4abee8215af14fbe7a1", kill_on_drop: false }`
[INFO] [stderr]     Finished `test` profile [unoptimized + debuginfo] target(s) in 0.05s
[INFO] [stderr]      Running unittests src/lib.rs (/opt/rustwide/target/debug/deps/retina_browser-b02d6cfff1711201)
[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 retina_browser
[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" "e4bf5d61c572da762b5ba7a282a42c686d1cfdfb1daed4abee8215af14fbe7a1", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "e4bf5d61c572da762b5ba7a282a42c686d1cfdfb1daed4abee8215af14fbe7a1", kill_on_drop: false }`
[INFO] [stdout] e4bf5d61c572da762b5ba7a282a42c686d1cfdfb1daed4abee8215af14fbe7a1