[INFO] fetching crate kjp_generator_plugin 0.1.1...
[INFO] checking kjp_generator_plugin-0.1.1 against master#385fa9d845dd326c6bbfd58c22244215e431948a for never-type-fallback-to-never
[INFO] extracting crate kjp_generator_plugin 0.1.1 into /workspace/builds/worker-4-tc1/source
[INFO] validating manifest of crates.io crate kjp_generator_plugin 0.1.1 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 kjp_generator_plugin 0.1.1
[INFO] finished tweaking crates.io crate kjp_generator_plugin 0.1.1
[INFO] tweaked toml for crates.io crate kjp_generator_plugin 0.1.1 written to /workspace/builds/worker-4-tc1/source/Cargo.toml
[INFO] crate crates.io crate kjp_generator_plugin 0.1.1 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] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-4-tc1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-4-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] 873b70b6b3006564fe7e9b339813ae8d309ee4309c6a19eff906b8fdf03dccc3
[INFO] running `Command { std: "docker" "start" "-a" "873b70b6b3006564fe7e9b339813ae8d309ee4309c6a19eff906b8fdf03dccc3", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "873b70b6b3006564fe7e9b339813ae8d309ee4309c6a19eff906b8fdf03dccc3", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "873b70b6b3006564fe7e9b339813ae8d309ee4309c6a19eff906b8fdf03dccc3", kill_on_drop: false }`
[INFO] [stdout] 873b70b6b3006564fe7e9b339813ae8d309ee4309c6a19eff906b8fdf03dccc3
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-4-tc1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-4-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] 7adaffc2f0c91829de7ed2249e2bff58026fb782bdfd544b35c93da26e34ce09
[INFO] running `Command { std: "docker" "start" "-a" "7adaffc2f0c91829de7ed2249e2bff58026fb782bdfd544b35c93da26e34ce09", kill_on_drop: false }`
[INFO] [stderr]     Checking regex-syntax v0.6.28
[INFO] [stderr]     Checking aho-corasick v0.7.20
[INFO] [stderr]     Checking regex v1.7.1
[INFO] [stderr]     Checking kjp_generator_plugin v0.1.1 (/opt/rustwide/workdir)
[INFO] [stderr]     Finished `dev` profile [unoptimized + debuginfo] target(s) in 3.44s
[INFO] running `Command { std: "docker" "inspect" "7adaffc2f0c91829de7ed2249e2bff58026fb782bdfd544b35c93da26e34ce09", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "7adaffc2f0c91829de7ed2249e2bff58026fb782bdfd544b35c93da26e34ce09", kill_on_drop: false }`
[INFO] [stdout] 7adaffc2f0c91829de7ed2249e2bff58026fb782bdfd544b35c93da26e34ce09
[INFO] checking kjp_generator_plugin-0.1.1 against try#2d84f2737f3bd9ebfcb07f75aa198d6cf7c715d2 for never-type-fallback-to-never
[INFO] extracting crate kjp_generator_plugin 0.1.1 into /workspace/builds/worker-4-tc2/source
[INFO] validating manifest of crates.io crate kjp_generator_plugin 0.1.1 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 kjp_generator_plugin 0.1.1
[INFO] finished tweaking crates.io crate kjp_generator_plugin 0.1.1
[INFO] tweaked toml for crates.io crate kjp_generator_plugin 0.1.1 written to /workspace/builds/worker-4-tc2/source/Cargo.toml
[INFO] crate crates.io crate kjp_generator_plugin 0.1.1 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-4-tc2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-4-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] 8d884101b7aa6a954acc54c45efb43819d49f6c7f65c0061518f15047d903f06
[INFO] running `Command { std: "docker" "start" "-a" "8d884101b7aa6a954acc54c45efb43819d49f6c7f65c0061518f15047d903f06", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "8d884101b7aa6a954acc54c45efb43819d49f6c7f65c0061518f15047d903f06", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "8d884101b7aa6a954acc54c45efb43819d49f6c7f65c0061518f15047d903f06", kill_on_drop: false }`
[INFO] [stdout] 8d884101b7aa6a954acc54c45efb43819d49f6c7f65c0061518f15047d903f06
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-4-tc2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-4-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] 58119163d28c03ed3307e823b880b5e95535a73638284fde625181e6028d10f3
[INFO] running `Command { std: "docker" "start" "-a" "58119163d28c03ed3307e823b880b5e95535a73638284fde625181e6028d10f3", kill_on_drop: false }`
[INFO] [stderr]     Checking regex-syntax v0.6.28
[INFO] [stderr]     Checking aho-corasick v0.7.20
[INFO] [stderr]     Checking regex v1.7.1
[INFO] [stderr]     Checking kjp_generator_plugin v0.1.1 (/opt/rustwide/workdir)
[INFO] [stderr]     Finished `dev` profile [unoptimized + debuginfo] target(s) in 3.17s
[INFO] running `Command { std: "docker" "inspect" "58119163d28c03ed3307e823b880b5e95535a73638284fde625181e6028d10f3", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "58119163d28c03ed3307e823b880b5e95535a73638284fde625181e6028d10f3", kill_on_drop: false }`
[INFO] [stdout] 58119163d28c03ed3307e823b880b5e95535a73638284fde625181e6028d10f3