[INFO] fetching crate x501 0.1.0-pre.0... [INFO] checking x501-0.1.0-pre.0 against master#ceab6128fa48a616bfd3e3adf4bc80133b8ee223 for no-never-type-fallback [INFO] extracting crate x501 0.1.0-pre.0 into /workspace/builds/worker-2-tc1/source [INFO] validating manifest of crates.io crate x501 0.1.0-pre.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 x501 0.1.0-pre.0 [INFO] finished tweaking crates.io crate x501 0.1.0-pre.0 [INFO] tweaked toml for crates.io crate x501 0.1.0-pre.0 written to /workspace/builds/worker-2-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 12 packages [INFO] [stderr] Adding const-oid v0.8.0 (latest: v0.9.6) [INFO] [stderr] Adding der v0.6.0-pre.1 (latest: v0.7.9) [INFO] [stderr] Adding der_derive v0.6.0-pre.1 (latest: v0.7.2) [INFO] [stderr] Adding hex-literal v0.3.4 (latest: v0.4.1) [INFO] [stderr] Adding syn v1.0.109 (latest: v2.0.58) [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] [stderr] Downloading crates ... [INFO] [stderr] Downloaded const-oid v0.8.0 [INFO] [stderr] Downloaded der v0.6.0-pre.1 [INFO] [stderr] Downloaded der_derive v0.6.0-pre.1 [INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-2-tc1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-2-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] e71c47dd13c623941676db1e6d9352bbe871b44bfb29352a09a5e8c90e47e5b1 [INFO] running `Command { std: "docker" "start" "-a" "e71c47dd13c623941676db1e6d9352bbe871b44bfb29352a09a5e8c90e47e5b1", kill_on_drop: false }` [INFO] running `Command { std: "docker" "inspect" "e71c47dd13c623941676db1e6d9352bbe871b44bfb29352a09a5e8c90e47e5b1", kill_on_drop: false }` [INFO] running `Command { std: "docker" "rm" "-f" "e71c47dd13c623941676db1e6d9352bbe871b44bfb29352a09a5e8c90e47e5b1", kill_on_drop: false }` [INFO] [stdout] e71c47dd13c623941676db1e6d9352bbe871b44bfb29352a09a5e8c90e47e5b1 [INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-2-tc1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-2-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] 705b0d410ec4941ba5e97b29bc5c00145bee5f4b82fa10ca6d85c48cf3eb6c92 [INFO] running `Command { std: "docker" "start" "-a" "705b0d410ec4941ba5e97b29bc5c00145bee5f4b82fa10ca6d85c48cf3eb6c92", kill_on_drop: false }` [INFO] [stderr] Compiling syn v1.0.109 [INFO] [stderr] Checking const-oid v0.8.0 [INFO] [stderr] Compiling hex-literal v0.3.4 [INFO] [stderr] Compiling proc-macro-error-attr v1.0.4 [INFO] [stderr] Compiling proc-macro-error v1.0.4 [INFO] [stderr] Compiling der_derive v0.6.0-pre.1 [INFO] [stderr] Checking der v0.6.0-pre.1 [INFO] [stderr] Checking x501 v0.1.0-pre.0 (/opt/rustwide/workdir) [INFO] [stderr] Finished `dev` profile [unoptimized + debuginfo] target(s) in 2.52s [INFO] running `Command { std: "docker" "inspect" "705b0d410ec4941ba5e97b29bc5c00145bee5f4b82fa10ca6d85c48cf3eb6c92", kill_on_drop: false }` [INFO] running `Command { std: "docker" "rm" "-f" "705b0d410ec4941ba5e97b29bc5c00145bee5f4b82fa10ca6d85c48cf3eb6c92", kill_on_drop: false }` [INFO] [stdout] 705b0d410ec4941ba5e97b29bc5c00145bee5f4b82fa10ca6d85c48cf3eb6c92 [INFO] checking x501-0.1.0-pre.0 against try#3a4bc97f6385a3aa300a4fd689b44350e54fd676 for no-never-type-fallback [INFO] extracting crate x501 0.1.0-pre.0 into /workspace/builds/worker-2-tc2/source [INFO] validating manifest of crates.io crate x501 0.1.0-pre.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 x501 0.1.0-pre.0 [INFO] finished tweaking crates.io crate x501 0.1.0-pre.0 [INFO] tweaked toml for crates.io crate x501 0.1.0-pre.0 written to /workspace/builds/worker-2-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-2-tc2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-2-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] e18dc0e2ee30e6712109ec4d7ca7925b4fb0bfaf692de09ea75e372d702511ba [INFO] running `Command { std: "docker" "start" "-a" "e18dc0e2ee30e6712109ec4d7ca7925b4fb0bfaf692de09ea75e372d702511ba", kill_on_drop: false }` [INFO] running `Command { std: "docker" "inspect" "e18dc0e2ee30e6712109ec4d7ca7925b4fb0bfaf692de09ea75e372d702511ba", kill_on_drop: false }` [INFO] running `Command { std: "docker" "rm" "-f" "e18dc0e2ee30e6712109ec4d7ca7925b4fb0bfaf692de09ea75e372d702511ba", kill_on_drop: false }` [INFO] [stdout] e18dc0e2ee30e6712109ec4d7ca7925b4fb0bfaf692de09ea75e372d702511ba [INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-2-tc2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-2-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] 0945f7067b80ccfb1a9dc29f77c7eec7909595c7bb58d205b5114ce78e7ea31d [INFO] running `Command { std: "docker" "start" "-a" "0945f7067b80ccfb1a9dc29f77c7eec7909595c7bb58d205b5114ce78e7ea31d", kill_on_drop: false }` [INFO] [stderr] Compiling proc-macro-error-attr v1.0.4 [INFO] [stderr] Compiling syn v1.0.109 [INFO] [stderr] Compiling proc-macro-error v1.0.4 [INFO] [stderr] Checking const-oid v0.8.0 [INFO] [stderr] Compiling hex-literal v0.3.4 [INFO] [stderr] Compiling der_derive v0.6.0-pre.1 [INFO] [stderr] Checking der v0.6.0-pre.1 [INFO] [stdout] error[E0282]: type annotations needed [INFO] [stdout] --> /opt/rustwide/cargo-home/registry/src/index.crates.io-6f17d22bba15001f/der-0.6.0-pre.1/src/encoder.rs:30:18 [INFO] [stdout] | [INFO] [stdout] 30 | self.error(ErrorKind::Failed)?; [INFO] [stdout] | ^^^^^ cannot infer type of the type parameter `T` declared on the method `error` [INFO] [stdout] | [INFO] [stdout] help: consider specifying the generic argument [INFO] [stdout] | [INFO] [stdout] 30 | self.error::(ErrorKind::Failed)?; [INFO] [stdout] | +++++ [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] error[E0282]: type annotations needed [INFO] [stdout] --> /opt/rustwide/cargo-home/registry/src/index.crates.io-6f17d22bba15001f/der-0.6.0-pre.1/src/encoder.rs:190:18 [INFO] [stdout] | [INFO] [stdout] 190 | self.error(ErrorKind::Overlength)?; [INFO] [stdout] | ^^^^^ cannot infer type of the type parameter `T` declared on the method `error` [INFO] [stdout] | [INFO] [stdout] help: consider specifying the generic argument [INFO] [stdout] | [INFO] [stdout] 190 | self.error::(ErrorKind::Overlength)?; [INFO] [stdout] | +++++ [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] error: aborting due to 2 previous errors [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] For more information about this error, try `rustc --explain E0282`. [INFO] [stdout] [INFO] [stderr] error: could not compile `der` (lib) due to 3 previous errors [INFO] running `Command { std: "docker" "inspect" "0945f7067b80ccfb1a9dc29f77c7eec7909595c7bb58d205b5114ce78e7ea31d", kill_on_drop: false }` [INFO] running `Command { std: "docker" "rm" "-f" "0945f7067b80ccfb1a9dc29f77c7eec7909595c7bb58d205b5114ce78e7ea31d", kill_on_drop: false }` [INFO] [stdout] 0945f7067b80ccfb1a9dc29f77c7eec7909595c7bb58d205b5114ce78e7ea31d