[INFO] fetching crate simply-fuse 0.0.4...
[INFO] checking simply-fuse-0.0.4 against master#385fa9d845dd326c6bbfd58c22244215e431948a for never-type-fallback-to-never
[INFO] extracting crate simply-fuse 0.0.4 into /workspace/builds/worker-1-tc1/source
[INFO] validating manifest of crates.io crate simply-fuse 0.0.4 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 simply-fuse 0.0.4
[INFO] finished tweaking crates.io crate simply-fuse 0.0.4
[INFO] tweaked toml for crates.io crate simply-fuse 0.0.4 written to /workspace/builds/worker-1-tc1/source/Cargo.toml
[INFO] crate crates.io crate simply-fuse 0.0.4 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" "+385fa9d845dd326c6bbfd58c22244215e431948a" "fetch" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] [stderr]     Updating crates.io index
[INFO] [stderr]  Downloading crates ...
[INFO] [stderr]   Downloaded polyfuse-kernel v0.1.0
[INFO] [stderr]   Downloaded polyfuse v0.4.1
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-1-tc1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-1-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] f0259f307eb75565ff5bc6102bd13626e0205a5a658fa4837dc8e5fcb981e0b1
[INFO] running `Command { std: "docker" "start" "-a" "f0259f307eb75565ff5bc6102bd13626e0205a5a658fa4837dc8e5fcb981e0b1", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "f0259f307eb75565ff5bc6102bd13626e0205a5a658fa4837dc8e5fcb981e0b1", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "f0259f307eb75565ff5bc6102bd13626e0205a5a658fa4837dc8e5fcb981e0b1", kill_on_drop: false }`
[INFO] [stdout] f0259f307eb75565ff5bc6102bd13626e0205a5a658fa4837dc8e5fcb981e0b1
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-1-tc1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-1-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] 5ea31aedaad5109691fd14b34dea42881482ea3d8da6bae882b63770d10adf84
[INFO] running `Command { std: "docker" "start" "-a" "5ea31aedaad5109691fd14b34dea42881482ea3d8da6bae882b63770d10adf84", kill_on_drop: false }`
[INFO] [stderr]    Compiling syn v1.0.84
[INFO] [stderr]     Checking byteorder v1.4.3
[INFO] [stderr]    Compiling libc v0.2.112
[INFO] [stderr]     Checking pin-project-lite v0.2.7
[INFO] [stderr]     Checking either v1.6.1
[INFO] [stderr]    Compiling synstructure v0.12.6
[INFO] [stderr]    Compiling zerocopy-derive v0.2.0
[INFO] [stderr]    Compiling tracing-attributes v0.1.18
[INFO] [stderr]    Compiling thiserror-impl v1.0.30
[INFO] [stderr]    Compiling typed-builder v0.9.1
[INFO] [stderr]     Checking zerocopy v0.3.0
[INFO] [stderr]     Checking thiserror v1.0.30
[INFO] [stderr]     Checking polyfuse-kernel v0.1.0
[INFO] [stderr]     Checking tracing v0.1.29
[INFO] [stderr]     Checking polyfuse v0.4.1
[INFO] [stderr]     Checking simply-fuse v0.0.4 (/opt/rustwide/workdir)
[INFO] [stderr]     Finished `dev` profile [unoptimized + debuginfo] target(s) in 9.85s
[INFO] running `Command { std: "docker" "inspect" "5ea31aedaad5109691fd14b34dea42881482ea3d8da6bae882b63770d10adf84", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "5ea31aedaad5109691fd14b34dea42881482ea3d8da6bae882b63770d10adf84", kill_on_drop: false }`
[INFO] [stdout] 5ea31aedaad5109691fd14b34dea42881482ea3d8da6bae882b63770d10adf84
[INFO] checking simply-fuse-0.0.4 against try#2d84f2737f3bd9ebfcb07f75aa198d6cf7c715d2 for never-type-fallback-to-never
[INFO] extracting crate simply-fuse 0.0.4 into /workspace/builds/worker-1-tc2/source
[INFO] validating manifest of crates.io crate simply-fuse 0.0.4 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 simply-fuse 0.0.4
[INFO] finished tweaking crates.io crate simply-fuse 0.0.4
[INFO] tweaked toml for crates.io crate simply-fuse 0.0.4 written to /workspace/builds/worker-1-tc2/source/Cargo.toml
[INFO] crate crates.io crate simply-fuse 0.0.4 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" "+2d84f2737f3bd9ebfcb07f75aa198d6cf7c715d2" "fetch" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-1-tc2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-1-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] d5a9b315c219a65b4556026fbc2c4f3e29fd0db91c7044167507d9bc18e12dfd
[INFO] running `Command { std: "docker" "start" "-a" "d5a9b315c219a65b4556026fbc2c4f3e29fd0db91c7044167507d9bc18e12dfd", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "d5a9b315c219a65b4556026fbc2c4f3e29fd0db91c7044167507d9bc18e12dfd", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "d5a9b315c219a65b4556026fbc2c4f3e29fd0db91c7044167507d9bc18e12dfd", kill_on_drop: false }`
[INFO] [stdout] d5a9b315c219a65b4556026fbc2c4f3e29fd0db91c7044167507d9bc18e12dfd
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-1-tc2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-1-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] 5908568bcb9fa99dc886e541c2f8d8adb5222be522f78fcc27e13a1216bb713e
[INFO] running `Command { std: "docker" "start" "-a" "5908568bcb9fa99dc886e541c2f8d8adb5222be522f78fcc27e13a1216bb713e", kill_on_drop: false }`
[INFO] [stderr]    Compiling syn v1.0.84
[INFO] [stderr]    Compiling libc v0.2.112
[INFO] [stderr]     Checking byteorder v1.4.3
[INFO] [stderr]     Checking pin-project-lite v0.2.7
[INFO] [stderr]     Checking either v1.6.1
[INFO] [stderr]    Compiling synstructure v0.12.6
[INFO] [stderr]    Compiling zerocopy-derive v0.2.0
[INFO] [stderr]    Compiling tracing-attributes v0.1.18
[INFO] [stderr]    Compiling thiserror-impl v1.0.30
[INFO] [stderr]    Compiling typed-builder v0.9.1
[INFO] [stderr]     Checking zerocopy v0.3.0
[INFO] [stderr]     Checking tracing v0.1.29
[INFO] [stderr]     Checking polyfuse-kernel v0.1.0
[INFO] [stderr]     Checking polyfuse v0.4.1
[INFO] [stderr]     Checking thiserror v1.0.30
[INFO] [stderr]     Checking simply-fuse v0.0.4 (/opt/rustwide/workdir)
[INFO] [stderr]     Finished `dev` profile [unoptimized + debuginfo] target(s) in 11.13s
[INFO] running `Command { std: "docker" "inspect" "5908568bcb9fa99dc886e541c2f8d8adb5222be522f78fcc27e13a1216bb713e", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "5908568bcb9fa99dc886e541c2f8d8adb5222be522f78fcc27e13a1216bb713e", kill_on_drop: false }`
[INFO] [stdout] 5908568bcb9fa99dc886e541c2f8d8adb5222be522f78fcc27e13a1216bb713e