[INFO] fetching crate fltk-extras 0.1.8...
[INFO] checking fltk-extras-0.1.8 against master#385fa9d845dd326c6bbfd58c22244215e431948a for never-type-fallback-to-never
[INFO] extracting crate fltk-extras 0.1.8 into /workspace/builds/worker-7-tc1/source
[INFO] validating manifest of crates.io crate fltk-extras 0.1.8 on toolchain 385fa9d845dd326c6bbfd58c22244215e431948a
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+385fa9d845dd326c6bbfd58c22244215e431948a" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }`
[INFO] started tweaking crates.io crate fltk-extras 0.1.8
[INFO] finished tweaking crates.io crate fltk-extras 0.1.8
[INFO] tweaked toml for crates.io crate fltk-extras 0.1.8 written to /workspace/builds/worker-7-tc1/source/Cargo.toml
[INFO] crate crates.io crate fltk-extras 0.1.8 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" "+385fa9d845dd326c6bbfd58c22244215e431948a" "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]     Blocking waiting for file lock on package cache
[INFO] [stderr]  Downloading crates ...
[INFO] [stderr]   Downloaded flate2 v1.0.27
[INFO] [stderr]   Downloaded paste v1.0.11
[INFO] [stderr]   Downloaded cmake v0.1.49
[INFO] [stderr]   Downloaded bytemuck v1.13.1
[INFO] [stderr]   Downloaded bitflags v2.1.0
[INFO] [stderr]   Downloaded crossbeam-utils v0.8.14
[INFO] [stderr]   Downloaded fltk v1.4.10
[INFO] [stderr]   Downloaded ttf-parser v0.19.1
[INFO] [stderr]   Downloaded tiny-skia-path v0.11.1
[INFO] [stderr]   Downloaded fltk-sys v1.4.10
[INFO] [stderr]   Downloaded tiny-skia v0.11.1
[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@sha256:2788e3201cd34a07e3172128adcd8b3090168a8e3bcc40d7c032b9dda1df7d1c" "/opt/rustwide/cargo-home/bin/cargo" "+385fa9d845dd326c6bbfd58c22244215e431948a" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] 6d75b57190fcfdc8c96b9214c69dad59bf352f1a57839786e4e26d7e1bbca287
[INFO] running `Command { std: "docker" "start" "-a" "6d75b57190fcfdc8c96b9214c69dad59bf352f1a57839786e4e26d7e1bbca287", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "6d75b57190fcfdc8c96b9214c69dad59bf352f1a57839786e4e26d7e1bbca287", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "6d75b57190fcfdc8c96b9214c69dad59bf352f1a57839786e4e26d7e1bbca287", kill_on_drop: false }`
[INFO] [stdout] 6d75b57190fcfdc8c96b9214c69dad59bf352f1a57839786e4e26d7e1bbca287
[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" "-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@sha256:2788e3201cd34a07e3172128adcd8b3090168a8e3bcc40d7c032b9dda1df7d1c" "/opt/rustwide/cargo-home/bin/cargo" "+385fa9d845dd326c6bbfd58c22244215e431948a" "check" "--frozen" "--all" "--all-targets" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] cd0bd18ba9896599820e201344404b737b96042911b6916818423ec9a85e78b9
[INFO] running `Command { std: "docker" "start" "-a" "cd0bd18ba9896599820e201344404b737b96042911b6916818423ec9a85e78b9", kill_on_drop: false }`
[INFO] [stderr]    Compiling crossbeam-utils v0.8.14
[INFO] [stderr]    Compiling paste v1.0.11
[INFO] [stderr]     Checking strict-num v0.1.1
[INFO] [stderr]     Checking bytemuck v1.13.1
[INFO] [stderr]     Checking ttf-parser v0.19.1
[INFO] [stderr]     Checking bitflags v2.1.0
[INFO] [stderr]    Compiling cmake v0.1.49
[INFO] [stderr]     Checking flate2 v1.0.27
[INFO] [stderr]     Checking tiny-skia-path v0.11.1
[INFO] [stderr]    Compiling fltk-sys v1.4.10
[INFO] [stderr]     Checking png v0.17.10
[INFO] [stderr]     Checking crossbeam-channel v0.5.6
[INFO] [stderr]     Checking tiny-skia v0.11.1
[INFO] [stderr]     Checking fltk v1.4.10
[INFO] [stderr]     Checking fltk-extras v0.1.8 (/opt/rustwide/workdir)
[INFO] [stderr]     Finished `dev` profile [unoptimized + debuginfo] target(s) in 55.29s
[INFO] running `Command { std: "docker" "inspect" "cd0bd18ba9896599820e201344404b737b96042911b6916818423ec9a85e78b9", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "cd0bd18ba9896599820e201344404b737b96042911b6916818423ec9a85e78b9", kill_on_drop: false }`
[INFO] [stdout] cd0bd18ba9896599820e201344404b737b96042911b6916818423ec9a85e78b9
[INFO] checking fltk-extras-0.1.8 against try#2d84f2737f3bd9ebfcb07f75aa198d6cf7c715d2 for never-type-fallback-to-never
[INFO] extracting crate fltk-extras 0.1.8 into /workspace/builds/worker-7-tc2/source
[INFO] validating manifest of crates.io crate fltk-extras 0.1.8 on toolchain 2d84f2737f3bd9ebfcb07f75aa198d6cf7c715d2
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+2d84f2737f3bd9ebfcb07f75aa198d6cf7c715d2" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }`
[INFO] started tweaking crates.io crate fltk-extras 0.1.8
[INFO] finished tweaking crates.io crate fltk-extras 0.1.8
[INFO] tweaked toml for crates.io crate fltk-extras 0.1.8 written to /workspace/builds/worker-7-tc2/source/Cargo.toml
[INFO] crate crates.io crate fltk-extras 0.1.8 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" "+2d84f2737f3bd9ebfcb07f75aa198d6cf7c715d2" "fetch" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-7-tc2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-7-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@sha256:2788e3201cd34a07e3172128adcd8b3090168a8e3bcc40d7c032b9dda1df7d1c" "/opt/rustwide/cargo-home/bin/cargo" "+2d84f2737f3bd9ebfcb07f75aa198d6cf7c715d2" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] 1acf706b69f72a4b3190f04123bfd1423f0ba0815ecbc3e59b5e9477c14bfb71
[INFO] running `Command { std: "docker" "start" "-a" "1acf706b69f72a4b3190f04123bfd1423f0ba0815ecbc3e59b5e9477c14bfb71", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "1acf706b69f72a4b3190f04123bfd1423f0ba0815ecbc3e59b5e9477c14bfb71", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "1acf706b69f72a4b3190f04123bfd1423f0ba0815ecbc3e59b5e9477c14bfb71", kill_on_drop: false }`
[INFO] [stdout] 1acf706b69f72a4b3190f04123bfd1423f0ba0815ecbc3e59b5e9477c14bfb71
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-7-tc2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-7-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" "-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@sha256:2788e3201cd34a07e3172128adcd8b3090168a8e3bcc40d7c032b9dda1df7d1c" "/opt/rustwide/cargo-home/bin/cargo" "+2d84f2737f3bd9ebfcb07f75aa198d6cf7c715d2" "check" "--frozen" "--all" "--all-targets" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] 5c808ffcf399ef5218948ef6fda23b9195ac1858eb50a9809fc4f67b2059d330
[INFO] running `Command { std: "docker" "start" "-a" "5c808ffcf399ef5218948ef6fda23b9195ac1858eb50a9809fc4f67b2059d330", kill_on_drop: false }`
[INFO] [stderr]    Compiling crossbeam-utils v0.8.14
[INFO] [stderr]    Compiling paste v1.0.11
[INFO] [stderr]     Checking bytemuck v1.13.1
[INFO] [stderr]     Checking strict-num v0.1.1
[INFO] [stderr]    Compiling cmake v0.1.49
[INFO] [stderr]     Checking ttf-parser v0.19.1
[INFO] [stderr]     Checking bitflags v2.1.0
[INFO] [stderr]     Checking flate2 v1.0.27
[INFO] [stderr]     Checking tiny-skia-path v0.11.1
[INFO] [stderr]     Checking png v0.17.10
[INFO] [stderr]    Compiling fltk-sys v1.4.10
[INFO] [stderr]     Checking crossbeam-channel v0.5.6
[INFO] [stderr]     Checking tiny-skia v0.11.1
[INFO] [stderr]     Checking fltk v1.4.10
[INFO] [stderr]     Checking fltk-extras v0.1.8 (/opt/rustwide/workdir)
[INFO] [stderr]     Finished `dev` profile [unoptimized + debuginfo] target(s) in 1m 03s
[INFO] running `Command { std: "docker" "inspect" "5c808ffcf399ef5218948ef6fda23b9195ac1858eb50a9809fc4f67b2059d330", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "5c808ffcf399ef5218948ef6fda23b9195ac1858eb50a9809fc4f67b2059d330", kill_on_drop: false }`
[INFO] [stdout] 5c808ffcf399ef5218948ef6fda23b9195ac1858eb50a9809fc4f67b2059d330