[INFO] fetching crate webkit2gtk-webextension-sys 0.16.2...
[INFO] checking webkit2gtk-webextension-sys-0.16.2 against try#4f260f0f20b3133d20cfb50353c0221943af5796+rustflags=-Dunmustuse_in_always_ok for pr-148577
[INFO] extracting crate webkit2gtk-webextension-sys 0.16.2 into /workspace/builds/worker-6-tc2/source
[INFO] started tweaking crates.io crate webkit2gtk-webextension-sys 0.16.2
[INFO] finished tweaking crates.io crate webkit2gtk-webextension-sys 0.16.2
[INFO] tweaked toml for crates.io crate webkit2gtk-webextension-sys 0.16.2 written to /workspace/builds/worker-6-tc2/source/Cargo.toml
[INFO] validating manifest of crates.io crate webkit2gtk-webextension-sys 0.16.2 on toolchain 4f260f0f20b3133d20cfb50353c0221943af5796
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+4f260f0f20b3133d20cfb50353c0221943af5796" "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" "+4f260f0f20b3133d20cfb50353c0221943af5796" "generate-lockfile" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] [stderr]     Updating crates.io index
[INFO] [stderr]      Locking 59 packages to latest compatible versions
[INFO] [stderr]       Adding bitflags v1.3.2 (available: v2.10.0)
[INFO] [stderr]       Adding gio-sys v0.16.3 (available: v0.21.2)
[INFO] [stderr]       Adding glib-sys v0.16.3 (available: v0.21.2)
[INFO] [stderr]       Adding gobject-sys v0.16.3 (available: v0.21.2)
[INFO] [stderr]       Adding gtk-sys v0.16.0 (available: v0.18.2)
[INFO] [stderr]       Adding soup3-sys v0.4.0 (available: v0.8.0)
[INFO] [stderr]       Adding system-deps v6.2.2 (available: v7.0.7)
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+4f260f0f20b3133d20cfb50353c0221943af5796" "fetch" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-6-tc2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-6-tc2/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" "+4f260f0f20b3133d20cfb50353c0221943af5796" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] b50b02a4a05d99cc0991225b9c86b70d2f7fec7ae9e802ed9ad45a8e9e69dea8
[INFO] running `Command { std: "docker" "start" "-a" "b50b02a4a05d99cc0991225b9c86b70d2f7fec7ae9e802ed9ad45a8e9e69dea8", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "b50b02a4a05d99cc0991225b9c86b70d2f7fec7ae9e802ed9ad45a8e9e69dea8", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "b50b02a4a05d99cc0991225b9c86b70d2f7fec7ae9e802ed9ad45a8e9e69dea8", kill_on_drop: false }`
[INFO] [stdout] b50b02a4a05d99cc0991225b9c86b70d2f7fec7ae9e802ed9ad45a8e9e69dea8
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-6-tc2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-6-tc2/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 -Dunmustuse_in_always_ok" "-e" "RUSTDOCFLAGS=--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@sha256:4848fb76d95f26979359cc7e45710b1dbc8f3acb7aeedee7c460d7702230f228" "/opt/rustwide/cargo-home/bin/cargo" "+4f260f0f20b3133d20cfb50353c0221943af5796" "check" "--frozen" "--all" "--all-targets" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] 8a26d316c6e9f90f45d48e1e6ce9e3576d2d581ddb8395a09139e4b1b7b6f185
[INFO] running `Command { std: "docker" "start" "-a" "8a26d316c6e9f90f45d48e1e6ce9e3576d2d581ddb8395a09139e4b1b7b6f185", kill_on_drop: false }`
[INFO] [stderr]    Compiling version-compare v0.2.1
[INFO] [stderr]    Compiling getrandom v0.3.4
[INFO] [stderr]    Compiling toml_datetime v0.6.11
[INFO] [stderr]    Compiling serde_spanned v0.6.9
[INFO] [stderr]     Checking tempfile v3.23.0
[INFO] [stderr]    Compiling toml_edit v0.22.27
[INFO] [stderr]    Compiling toml v0.8.23
[INFO] [stderr]    Compiling system-deps v6.2.2
[INFO] [stderr]    Compiling glib-sys v0.16.3
[INFO] [stderr]    Compiling gobject-sys v0.16.3
[INFO] [stderr]    Compiling glib-sys v0.17.10
[INFO] [stderr]    Compiling gio-sys v0.16.3
[INFO] [stderr]    Compiling gdk-sys v0.16.0
[INFO] [stderr]    Compiling atk-sys v0.16.0
[INFO] [stderr]    Compiling gobject-sys v0.17.10
[INFO] [stderr]    Compiling gdk-pixbuf-sys v0.16.3
[INFO] [stderr]    Compiling pango-sys v0.16.3
[INFO] [stderr]    Compiling glib-sys v0.18.1
[INFO] [stderr]    Compiling cairo-sys-rs v0.16.3
[INFO] [stderr]    Compiling gtk-sys v0.16.0
[INFO] [stderr]    Compiling gio-sys v0.17.10
[INFO] [stderr]    Compiling gobject-sys v0.18.0
[INFO] [stderr]    Compiling soup3-sys v0.4.0
[INFO] [stderr]    Compiling javascriptcore-rs-sys v1.1.1
[INFO] [stderr]    Compiling webkit2gtk-webextension-sys v0.16.2 (/opt/rustwide/workdir)
[INFO] [stdout] error: this type will no longer be must used: Result<String, Infallible>
[INFO] [stdout]    --> tests/abi.rs:125:27
[INFO] [stdout]     |
[INFO] [stdout] 125 |             .and_then(|s| s.parse().ok())
[INFO] [stdout]     |                           ^^^^^^^^^
[INFO] [stdout]     |
[INFO] [stdout]     = note: requested on the command line with `-D unmustuse-in-always-ok`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr] error: could not compile `webkit2gtk-webextension-sys` (test "abi") due to 1 previous error
[INFO] running `Command { std: "docker" "inspect" "8a26d316c6e9f90f45d48e1e6ce9e3576d2d581ddb8395a09139e4b1b7b6f185", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "8a26d316c6e9f90f45d48e1e6ce9e3576d2d581ddb8395a09139e4b1b7b6f185", kill_on_drop: false }`
[INFO] [stdout] 8a26d316c6e9f90f45d48e1e6ce9e3576d2d581ddb8395a09139e4b1b7b6f185