[INFO] fetching crate jbig2dec-sys 0.19.0...
[INFO] checking jbig2dec-sys-0.19.0 against master#ceab6128fa48a616bfd3e3adf4bc80133b8ee223 for no-never-type-fallback
[INFO] extracting crate jbig2dec-sys 0.19.0 into /workspace/builds/worker-4-tc1/source
[INFO] validating manifest of crates.io crate jbig2dec-sys 0.19.0 on toolchain ceab6128fa48a616bfd3e3adf4bc80133b8ee223
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+ceab6128fa48a616bfd3e3adf4bc80133b8ee223" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }`
[INFO] started tweaking crates.io crate jbig2dec-sys 0.19.0
[INFO] finished tweaking crates.io crate jbig2dec-sys 0.19.0
[INFO] tweaked toml for crates.io crate jbig2dec-sys 0.19.0 written to /workspace/builds/worker-4-tc1/source/Cargo.toml
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+ceab6128fa48a616bfd3e3adf4bc80133b8ee223" "generate-lockfile" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] [stderr]     Updating crates.io index
[INFO] [stderr]      Locking 2 packages
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+ceab6128fa48a616bfd3e3adf4bc80133b8ee223" "fetch" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[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" "+ceab6128fa48a616bfd3e3adf4bc80133b8ee223" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] 56f56077a6f56020abdda69abbbe7190751dc924ffe08e3c82159b767924f0a5
[INFO] running `Command { std: "docker" "start" "-a" "56f56077a6f56020abdda69abbbe7190751dc924ffe08e3c82159b767924f0a5", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "56f56077a6f56020abdda69abbbe7190751dc924ffe08e3c82159b767924f0a5", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "56f56077a6f56020abdda69abbbe7190751dc924ffe08e3c82159b767924f0a5", kill_on_drop: false }`
[INFO] [stdout] 56f56077a6f56020abdda69abbbe7190751dc924ffe08e3c82159b767924f0a5
[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" "+ceab6128fa48a616bfd3e3adf4bc80133b8ee223" "check" "--frozen" "--all" "--all-targets" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] 0da1d7c12f44006b3d0e64b5ce36bde924721b73c3261f9df165f01ff0e14ab5
[INFO] running `Command { std: "docker" "start" "-a" "0da1d7c12f44006b3d0e64b5ce36bde924721b73c3261f9df165f01ff0e14ab5", kill_on_drop: false }`
[INFO] [stderr]    Compiling jbig2dec-sys v0.19.0 (/opt/rustwide/workdir)
[INFO] [stderr] warning: jbig2dec-sys@0.19.0: Compiler version doesn't include clang or GCC: "cc" "--version"
[INFO] [stderr]     Finished `dev` profile [unoptimized + debuginfo] target(s) in 1.00s
[INFO] running `Command { std: "docker" "inspect" "0da1d7c12f44006b3d0e64b5ce36bde924721b73c3261f9df165f01ff0e14ab5", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "0da1d7c12f44006b3d0e64b5ce36bde924721b73c3261f9df165f01ff0e14ab5", kill_on_drop: false }`
[INFO] [stdout] 0da1d7c12f44006b3d0e64b5ce36bde924721b73c3261f9df165f01ff0e14ab5
[INFO] checking jbig2dec-sys-0.19.0 against try#3a4bc97f6385a3aa300a4fd689b44350e54fd676 for no-never-type-fallback
[INFO] extracting crate jbig2dec-sys 0.19.0 into /workspace/builds/worker-4-tc2/source
[INFO] validating manifest of crates.io crate jbig2dec-sys 0.19.0 on toolchain 3a4bc97f6385a3aa300a4fd689b44350e54fd676
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+3a4bc97f6385a3aa300a4fd689b44350e54fd676" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }`
[INFO] started tweaking crates.io crate jbig2dec-sys 0.19.0
[INFO] finished tweaking crates.io crate jbig2dec-sys 0.19.0
[INFO] tweaked toml for crates.io crate jbig2dec-sys 0.19.0 written to /workspace/builds/worker-4-tc2/source/Cargo.toml
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+3a4bc97f6385a3aa300a4fd689b44350e54fd676" "generate-lockfile" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] [stderr]     Updating crates.io index
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+3a4bc97f6385a3aa300a4fd689b44350e54fd676" "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" "+3a4bc97f6385a3aa300a4fd689b44350e54fd676" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] d652512900e067b5e7c70538adf7599eb50ec4962e2d08dbb4156f92e0258f1a
[INFO] running `Command { std: "docker" "start" "-a" "d652512900e067b5e7c70538adf7599eb50ec4962e2d08dbb4156f92e0258f1a", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "d652512900e067b5e7c70538adf7599eb50ec4962e2d08dbb4156f92e0258f1a", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "d652512900e067b5e7c70538adf7599eb50ec4962e2d08dbb4156f92e0258f1a", kill_on_drop: false }`
[INFO] [stdout] d652512900e067b5e7c70538adf7599eb50ec4962e2d08dbb4156f92e0258f1a
[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" "+3a4bc97f6385a3aa300a4fd689b44350e54fd676" "check" "--frozen" "--all" "--all-targets" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] d5827ce9152f58a8b80ed8d8430c8ad755d04d7e6c30ce8f7487d2fc1c4023ab
[INFO] running `Command { std: "docker" "start" "-a" "d5827ce9152f58a8b80ed8d8430c8ad755d04d7e6c30ce8f7487d2fc1c4023ab", kill_on_drop: false }`
[INFO] [stderr]    Compiling jbig2dec-sys v0.19.0 (/opt/rustwide/workdir)
[INFO] [stdout] error[E0282]: type annotations needed
[INFO] [stdout]   --> build.rs:10:9
[INFO] [stdout]    |
[INFO] [stdout] 10 |         panic!();
[INFO] [stdout]    |         ^^^^^^^^ cannot infer type
[INFO] [stdout]    |
[INFO] [stdout]    = note: this error originates in the macro `$crate::panic::panic_2015` which comes from the expansion of the macro `panic` (in Nightly builds, run with -Z macro-backtrace for more info)
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error: aborting due to 1 previous error
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] For more information about this error, try `rustc --explain E0282`.
[INFO] [stdout] 
[INFO] [stderr] error: could not compile `jbig2dec-sys` (build script) due to 2 previous errors
[INFO] running `Command { std: "docker" "inspect" "d5827ce9152f58a8b80ed8d8430c8ad755d04d7e6c30ce8f7487d2fc1c4023ab", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "d5827ce9152f58a8b80ed8d8430c8ad755d04d7e6c30ce8f7487d2fc1c4023ab", kill_on_drop: false }`
[INFO] [stdout] d5827ce9152f58a8b80ed8d8430c8ad755d04d7e6c30ce8f7487d2fc1c4023ab