[INFO] fetching crate fltk-flow 0.2.4...
[INFO] building fltk-flow-0.2.4 against master#11663cd3bfefef7d34e8f0892c250bf698049392+rustflags=-Dtail-expr-drop-order for pr-134523
[INFO] extracting crate fltk-flow 0.2.4 into /workspace/builds/worker-7-tc1/source
[INFO] validating manifest of crates.io crate fltk-flow 0.2.4 on toolchain 11663cd3bfefef7d34e8f0892c250bf698049392
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+11663cd3bfefef7d34e8f0892c250bf698049392" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }`
[INFO] started tweaking crates.io crate fltk-flow 0.2.4
[INFO] finished tweaking crates.io crate fltk-flow 0.2.4
[INFO] tweaked toml for crates.io crate fltk-flow 0.2.4 written to /workspace/builds/worker-7-tc1/source/Cargo.toml
[INFO] crate crates.io crate fltk-flow 0.2.4 already has a lockfile, it will not be regenerated
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+11663cd3bfefef7d34e8f0892c250bf698049392" "fetch" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] [stderr]     Updating crates.io index
[INFO] [stderr]  Downloading crates ...
[INFO] [stderr]   Downloaded fltk-build v0.1.1
[INFO] [stderr]   Downloaded fltk v1.4.32
[INFO] [stderr]   Downloaded fltk-sys v1.4.32
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-7-tc1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-7-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:f3a9d4ad9d972b27faf3965f35b62e55ba32bbce8f20bc8fe909558a86702fde" "/opt/rustwide/cargo-home/bin/cargo" "+11663cd3bfefef7d34e8f0892c250bf698049392" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] a0a21d748dd5e07ed81e9876aa38c93ae417bbd8251b0426c0f4b94504fc46fe
[INFO] running `Command { std: "docker" "start" "-a" "a0a21d748dd5e07ed81e9876aa38c93ae417bbd8251b0426c0f4b94504fc46fe", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "a0a21d748dd5e07ed81e9876aa38c93ae417bbd8251b0426c0f4b94504fc46fe", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "a0a21d748dd5e07ed81e9876aa38c93ae417bbd8251b0426c0f4b94504fc46fe", kill_on_drop: false }`
[INFO] [stdout] a0a21d748dd5e07ed81e9876aa38c93ae417bbd8251b0426c0f4b94504fc46fe
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-7-tc1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-7-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=forbid -Dtail-expr-drop-order" "-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:f3a9d4ad9d972b27faf3965f35b62e55ba32bbce8f20bc8fe909558a86702fde" "/opt/rustwide/cargo-home/bin/cargo" "+11663cd3bfefef7d34e8f0892c250bf698049392" "build" "--frozen" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] 6e58fef4f8181d35d2a98b26d462589efbccbd85aacc25bb979186a22ef481e9
[INFO] running `Command { std: "docker" "start" "-a" "6e58fef4f8181d35d2a98b26d462589efbccbd85aacc25bb979186a22ef481e9", kill_on_drop: false }`
[INFO] [stderr]    Compiling cc v1.1.5
[INFO] [stderr]    Compiling crossbeam-utils v0.8.20
[INFO] [stderr]    Compiling fltk-build v0.1.1
[INFO] [stderr]    Compiling ttf-parser v0.21.1
[INFO] [stderr]    Compiling crossbeam-channel v0.5.13
[INFO] [stderr]    Compiling cmake v0.1.50
[INFO] [stderr]    Compiling fltk-sys v1.4.32
[INFO] [stderr]    Compiling fltk v1.4.32
[INFO] [stderr]    Compiling fltk-flow v0.2.4 (/opt/rustwide/workdir)
[INFO] [stdout] warning: unexpected `cfg` condition value: `single-threaded`
[INFO] [stdout]   --> src/lib.rs:18:1
[INFO] [stdout]    |
[INFO] [stdout] 18 | fltk::macros::widget::impl_widget_ext!(Flow, Fl_Flow);
[INFO] [stdout]    | ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout]    |
[INFO] [stdout]    = note: no expected values for `feature`
[INFO] [stdout]    = note: using a cfg inside a macro will use the cfgs from the destination crate and not the ones from the defining crate
[INFO] [stdout]    = help: try referring to `fltk::macros::widget::impl_widget_ext` crate for guidance on how handle this unexpected cfg
[INFO] [stdout]    = help: the macro `fltk::macros::widget::impl_widget_ext` may come from an old version of the `fltk` crate, try updating your dependency with `cargo update -p fltk`
[INFO] [stdout]    = note: see <https://doc.rust-lang.org/nightly/rustc/check-cfg/cargo-specifics.html> for more information about checking conditional configuration
[INFO] [stdout]    = note: `#[warn(unexpected_cfgs)]` on by default
[INFO] [stdout]    = note: this warning originates in the macro `fltk::macros::widget::impl_widget_ext` (in Nightly builds, run with -Z macro-backtrace for more info)
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unexpected `cfg` condition value: `single-threaded`
[INFO] [stdout]   --> src/lib.rs:18:1
[INFO] [stdout]    |
[INFO] [stdout] 18 | fltk::macros::widget::impl_widget_ext!(Flow, Fl_Flow);
[INFO] [stdout]    | ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout]    |
[INFO] [stdout]    = note: no expected values for `feature`
[INFO] [stdout]    = note: using a cfg inside a macro will use the cfgs from the destination crate and not the ones from the defining crate
[INFO] [stdout]    = help: try referring to `fltk::macros::widget::impl_widget_ext` crate for guidance on how handle this unexpected cfg
[INFO] [stdout]    = help: the macro `fltk::macros::widget::impl_widget_ext` may come from an old version of the `fltk` crate, try updating your dependency with `cargo update -p fltk`
[INFO] [stdout]    = note: see <https://doc.rust-lang.org/nightly/rustc/check-cfg/cargo-specifics.html> for more information about checking conditional configuration
[INFO] [stdout]    = note: this warning originates in the macro `fltk::macros::widget::impl_widget_ext` (in Nightly builds, run with -Z macro-backtrace for more info)
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr]     Finished `dev` profile [unoptimized + debuginfo] target(s) in 21.47s
[INFO] running `Command { std: "docker" "inspect" "6e58fef4f8181d35d2a98b26d462589efbccbd85aacc25bb979186a22ef481e9", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "6e58fef4f8181d35d2a98b26d462589efbccbd85aacc25bb979186a22ef481e9", kill_on_drop: false }`
[INFO] [stdout] 6e58fef4f8181d35d2a98b26d462589efbccbd85aacc25bb979186a22ef481e9
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-7-tc1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-7-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=forbid -Dtail-expr-drop-order" "-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:f3a9d4ad9d972b27faf3965f35b62e55ba32bbce8f20bc8fe909558a86702fde" "/opt/rustwide/cargo-home/bin/cargo" "+11663cd3bfefef7d34e8f0892c250bf698049392" "test" "--frozen" "--no-run" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] 9ad03efac06b9463b5048064280993572ee07e10abc64aabf2c65c99e80dbb2b
[INFO] running `Command { std: "docker" "start" "-a" "9ad03efac06b9463b5048064280993572ee07e10abc64aabf2c65c99e80dbb2b", kill_on_drop: false }`
[INFO] [stdout] warning: unexpected `cfg` condition value: `single-threaded`
[INFO] [stdout]   --> src/lib.rs:18:1
[INFO] [stdout]    |
[INFO] [stdout] 18 | fltk::macros::widget::impl_widget_ext!(Flow, Fl_Flow);
[INFO] [stdout]    | ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout]    |
[INFO] [stdout]    = note: no expected values for `feature`
[INFO] [stdout]    = note: using a cfg inside a macro will use the cfgs from the destination crate and not the ones from the defining crate
[INFO] [stdout]    = help: try referring to `fltk::macros::widget::impl_widget_ext` crate for guidance on how handle this unexpected cfg
[INFO] [stdout]    = help: the macro `fltk::macros::widget::impl_widget_ext` may come from an old version of the `fltk` crate, try updating your dependency with `cargo update -p fltk`
[INFO] [stdout]    = note: see <https://doc.rust-lang.org/nightly/rustc/check-cfg/cargo-specifics.html> for more information about checking conditional configuration
[INFO] [stdout]    = note: `#[warn(unexpected_cfgs)]` on by default
[INFO] [stdout]    = note: this warning originates in the macro `fltk::macros::widget::impl_widget_ext` (in Nightly builds, run with -Z macro-backtrace for more info)
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unexpected `cfg` condition value: `single-threaded`
[INFO] [stdout]   --> src/lib.rs:18:1
[INFO] [stdout]    |
[INFO] [stdout] 18 | fltk::macros::widget::impl_widget_ext!(Flow, Fl_Flow);
[INFO] [stdout]    | ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout]    |
[INFO] [stdout]    = note: no expected values for `feature`
[INFO] [stdout]    = note: using a cfg inside a macro will use the cfgs from the destination crate and not the ones from the defining crate
[INFO] [stdout]    = help: try referring to `fltk::macros::widget::impl_widget_ext` crate for guidance on how handle this unexpected cfg
[INFO] [stdout]    = help: the macro `fltk::macros::widget::impl_widget_ext` may come from an old version of the `fltk` crate, try updating your dependency with `cargo update -p fltk`
[INFO] [stdout]    = note: see <https://doc.rust-lang.org/nightly/rustc/check-cfg/cargo-specifics.html> for more information about checking conditional configuration
[INFO] [stdout]    = note: this warning originates in the macro `fltk::macros::widget::impl_widget_ext` (in Nightly builds, run with -Z macro-backtrace for more info)
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr]    Compiling fltk-flow v0.2.4 (/opt/rustwide/workdir)
[INFO] [stdout] warning: unexpected `cfg` condition value: `single-threaded`
[INFO] [stdout]   --> src/lib.rs:18:1
[INFO] [stdout]    |
[INFO] [stdout] 18 | fltk::macros::widget::impl_widget_ext!(Flow, Fl_Flow);
[INFO] [stdout]    | ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout]    |
[INFO] [stdout]    = note: no expected values for `feature`
[INFO] [stdout]    = note: using a cfg inside a macro will use the cfgs from the destination crate and not the ones from the defining crate
[INFO] [stdout]    = help: try referring to `fltk::macros::widget::impl_widget_ext` crate for guidance on how handle this unexpected cfg
[INFO] [stdout]    = help: the macro `fltk::macros::widget::impl_widget_ext` may come from an old version of the `fltk` crate, try updating your dependency with `cargo update -p fltk`
[INFO] [stdout]    = note: see <https://doc.rust-lang.org/nightly/rustc/check-cfg/cargo-specifics.html> for more information about checking conditional configuration
[INFO] [stdout]    = note: `#[warn(unexpected_cfgs)]` on by default
[INFO] [stdout]    = note: this warning originates in the macro `fltk::macros::widget::impl_widget_ext` (in Nightly builds, run with -Z macro-backtrace for more info)
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unexpected `cfg` condition value: `single-threaded`
[INFO] [stdout]   --> src/lib.rs:18:1
[INFO] [stdout]    |
[INFO] [stdout] 18 | fltk::macros::widget::impl_widget_ext!(Flow, Fl_Flow);
[INFO] [stdout]    | ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout]    |
[INFO] [stdout]    = note: no expected values for `feature`
[INFO] [stdout]    = note: using a cfg inside a macro will use the cfgs from the destination crate and not the ones from the defining crate
[INFO] [stdout]    = help: try referring to `fltk::macros::widget::impl_widget_ext` crate for guidance on how handle this unexpected cfg
[INFO] [stdout]    = help: the macro `fltk::macros::widget::impl_widget_ext` may come from an old version of the `fltk` crate, try updating your dependency with `cargo update -p fltk`
[INFO] [stdout]    = note: see <https://doc.rust-lang.org/nightly/rustc/check-cfg/cargo-specifics.html> for more information about checking conditional configuration
[INFO] [stdout]    = note: this warning originates in the macro `fltk::macros::widget::impl_widget_ext` (in Nightly builds, run with -Z macro-backtrace for more info)
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr]     Finished `test` profile [unoptimized + debuginfo] target(s) in 0.25s
[INFO] running `Command { std: "docker" "inspect" "9ad03efac06b9463b5048064280993572ee07e10abc64aabf2c65c99e80dbb2b", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "9ad03efac06b9463b5048064280993572ee07e10abc64aabf2c65c99e80dbb2b", kill_on_drop: false }`
[INFO] [stdout] 9ad03efac06b9463b5048064280993572ee07e10abc64aabf2c65c99e80dbb2b