[INFO] fetching crate rawzeo 0.0.1...
[INFO] checking rawzeo-0.0.1 against master#385fa9d845dd326c6bbfd58c22244215e431948a for never-type-fallback-to-never
[INFO] extracting crate rawzeo 0.0.1 into /workspace/builds/worker-7-tc1/source
[INFO] validating manifest of crates.io crate rawzeo 0.0.1 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 rawzeo 0.0.1
[INFO] finished tweaking crates.io crate rawzeo 0.0.1
[INFO] tweaked toml for crates.io crate rawzeo 0.0.1 written to /workspace/builds/worker-7-tc1/source/Cargo.toml
[INFO] crate crates.io crate rawzeo 0.0.1 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]     Updating crates.io index
[INFO] [stderr]  Downloading crates ...
[INFO] [stderr]   Downloaded serialport v4.2.0
[INFO] [stderr]   Downloaded circular-buffer v0.1.1
[INFO] [stderr]   Downloaded regex v1.7.1
[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] f8fb4852543dce4f74b9c4b439a0850ac56799260975ee2eb0b3fa1c2b0b5fab
[INFO] running `Command { std: "docker" "start" "-a" "f8fb4852543dce4f74b9c4b439a0850ac56799260975ee2eb0b3fa1c2b0b5fab", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "f8fb4852543dce4f74b9c4b439a0850ac56799260975ee2eb0b3fa1c2b0b5fab", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "f8fb4852543dce4f74b9c4b439a0850ac56799260975ee2eb0b3fa1c2b0b5fab", kill_on_drop: false }`
[INFO] [stdout] f8fb4852543dce4f74b9c4b439a0850ac56799260975ee2eb0b3fa1c2b0b5fab
[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] 1c4718faf70bf1e8c5160768eddfe6fc74b34679caacd8ae54a2b16f8c07c1c6
[INFO] running `Command { std: "docker" "start" "-a" "1c4718faf70bf1e8c5160768eddfe6fc74b34679caacd8ae54a2b16f8c07c1c6", kill_on_drop: false }`
[INFO] [stderr]    Compiling libc v0.2.140
[INFO] [stderr]    Compiling pkg-config v0.3.26
[INFO] [stderr]     Checking circular-buffer v0.1.1
[INFO] [stderr]    Compiling libudev-sys v0.1.4
[INFO] [stderr]     Checking nix v0.24.3
[INFO] [stderr]     Checking libudev v0.3.0
[INFO] [stderr]     Checking serialport v4.2.0
[INFO] [stderr]     Checking rawzeo v0.0.1 (/opt/rustwide/workdir)
[INFO] [stderr]     Finished `dev` profile [unoptimized + debuginfo] target(s) in 3.40s
[INFO] running `Command { std: "docker" "inspect" "1c4718faf70bf1e8c5160768eddfe6fc74b34679caacd8ae54a2b16f8c07c1c6", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "1c4718faf70bf1e8c5160768eddfe6fc74b34679caacd8ae54a2b16f8c07c1c6", kill_on_drop: false }`
[INFO] [stdout] 1c4718faf70bf1e8c5160768eddfe6fc74b34679caacd8ae54a2b16f8c07c1c6
[INFO] checking rawzeo-0.0.1 against try#2d84f2737f3bd9ebfcb07f75aa198d6cf7c715d2 for never-type-fallback-to-never
[INFO] extracting crate rawzeo 0.0.1 into /workspace/builds/worker-7-tc2/source
[INFO] validating manifest of crates.io crate rawzeo 0.0.1 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 rawzeo 0.0.1
[INFO] finished tweaking crates.io crate rawzeo 0.0.1
[INFO] tweaked toml for crates.io crate rawzeo 0.0.1 written to /workspace/builds/worker-7-tc2/source/Cargo.toml
[INFO] crate crates.io crate rawzeo 0.0.1 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] [stderr]     Blocking waiting for file lock on package cache
[INFO] [stderr]     Blocking waiting for file lock on package cache
[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] 853a9e4a684fb88914a80cb9133f916bc387a03d466d92e5bdfdca4ca4efe6ac
[INFO] running `Command { std: "docker" "start" "-a" "853a9e4a684fb88914a80cb9133f916bc387a03d466d92e5bdfdca4ca4efe6ac", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "853a9e4a684fb88914a80cb9133f916bc387a03d466d92e5bdfdca4ca4efe6ac", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "853a9e4a684fb88914a80cb9133f916bc387a03d466d92e5bdfdca4ca4efe6ac", kill_on_drop: false }`
[INFO] [stdout] 853a9e4a684fb88914a80cb9133f916bc387a03d466d92e5bdfdca4ca4efe6ac
[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] 1ace5513e3cf63fc5760f89106bcf31772d353bef69bec8ecff658ad4c3c9810
[INFO] running `Command { std: "docker" "start" "-a" "1ace5513e3cf63fc5760f89106bcf31772d353bef69bec8ecff658ad4c3c9810", kill_on_drop: false }`
[INFO] [stderr]    Compiling libc v0.2.140
[INFO] [stderr]    Compiling pkg-config v0.3.26
[INFO] [stderr]     Checking circular-buffer v0.1.1
[INFO] [stderr]    Compiling libudev-sys v0.1.4
[INFO] [stderr]     Checking nix v0.24.3
[INFO] [stderr]     Checking libudev v0.3.0
[INFO] [stderr]     Checking serialport v4.2.0
[INFO] [stderr]     Checking rawzeo v0.0.1 (/opt/rustwide/workdir)
[INFO] [stderr]     Finished `dev` profile [unoptimized + debuginfo] target(s) in 4.00s
[INFO] running `Command { std: "docker" "inspect" "1ace5513e3cf63fc5760f89106bcf31772d353bef69bec8ecff658ad4c3c9810", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "1ace5513e3cf63fc5760f89106bcf31772d353bef69bec8ecff658ad4c3c9810", kill_on_drop: false }`
[INFO] [stdout] 1ace5513e3cf63fc5760f89106bcf31772d353bef69bec8ecff658ad4c3c9810