[INFO] fetching crate fltk-flow 0.2.4...
[INFO] checking fltk-flow-0.2.4 against master#cf38b8e663f15db10ce49d7bbce02c99fc3dbc0c for pr-143170
[INFO] extracting crate fltk-flow 0.2.4 into /workspace/builds/worker-0-tc1/source
[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-0-tc1/source/Cargo.toml
[INFO] validating manifest of crates.io crate fltk-flow 0.2.4 on toolchain cf38b8e663f15db10ce49d7bbce02c99fc3dbc0c
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+cf38b8e663f15db10ce49d7bbce02c99fc3dbc0c" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }`
[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" "+cf38b8e663f15db10ce49d7bbce02c99fc3dbc0c" "fetch" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] [stderr]     Blocking waiting for file lock on package cache
[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-0-tc1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-0-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@sha256:90999bfc7ae267e83380e433d8e61a7c072ca6729e92edbae886d3423b3a6f4c" "/opt/rustwide/cargo-home/bin/cargo" "+cf38b8e663f15db10ce49d7bbce02c99fc3dbc0c" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] 2e413462422c344ff6cdb38143492b42df02061a2edb658af7046dae1c20b455
[INFO] running `Command { std: "docker" "start" "-a" "2e413462422c344ff6cdb38143492b42df02061a2edb658af7046dae1c20b455", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "2e413462422c344ff6cdb38143492b42df02061a2edb658af7046dae1c20b455", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "2e413462422c344ff6cdb38143492b42df02061a2edb658af7046dae1c20b455", kill_on_drop: false }`
[INFO] [stdout] 2e413462422c344ff6cdb38143492b42df02061a2edb658af7046dae1c20b455
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-0-tc1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-0-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" "-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@sha256:90999bfc7ae267e83380e433d8e61a7c072ca6729e92edbae886d3423b3a6f4c" "/opt/rustwide/cargo-home/bin/cargo" "+cf38b8e663f15db10ce49d7bbce02c99fc3dbc0c" "check" "--frozen" "--all" "--all-targets" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] 41ead4c6071cee2f6b85deefc0f9d886f9e86afe948358974deb63752194ab06
[INFO] running `Command { std: "docker" "start" "-a" "41ead4c6071cee2f6b85deefc0f9d886f9e86afe948358974deb63752194ab06", 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]     Checking ttf-parser v0.21.1
[INFO] [stderr]     Checking crossbeam-channel v0.5.13
[INFO] [stderr]    Compiling cmake v0.1.50
[INFO] [stderr]    Compiling fltk-sys v1.4.32
[INFO] [stderr]     Checking 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] [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 59.87s
[INFO] running `Command { std: "docker" "inspect" "41ead4c6071cee2f6b85deefc0f9d886f9e86afe948358974deb63752194ab06", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "41ead4c6071cee2f6b85deefc0f9d886f9e86afe948358974deb63752194ab06", kill_on_drop: false }`
[INFO] [stdout] 41ead4c6071cee2f6b85deefc0f9d886f9e86afe948358974deb63752194ab06