[INFO] fetching crate unnest 0.3.1... [INFO] checking unnest-0.3.1 against master#ceab6128fa48a616bfd3e3adf4bc80133b8ee223 for no-never-type-fallback [INFO] extracting crate unnest 0.3.1 into /workspace/builds/worker-3-tc1/source [INFO] validating manifest of crates.io crate unnest 0.3.1 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 unnest 0.3.1 [INFO] finished tweaking crates.io crate unnest 0.3.1 [INFO] tweaked toml for crates.io crate unnest 0.3.1 written to /workspace/builds/worker-3-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] 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-3-tc1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-3-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] dcc6a55a8eecc5ebaf244c205f461d544725bb38104137516743e91e0c2fd2b9 [INFO] running `Command { std: "docker" "start" "-a" "dcc6a55a8eecc5ebaf244c205f461d544725bb38104137516743e91e0c2fd2b9", kill_on_drop: false }` [INFO] running `Command { std: "docker" "inspect" "dcc6a55a8eecc5ebaf244c205f461d544725bb38104137516743e91e0c2fd2b9", kill_on_drop: false }` [INFO] running `Command { std: "docker" "rm" "-f" "dcc6a55a8eecc5ebaf244c205f461d544725bb38104137516743e91e0c2fd2b9", kill_on_drop: false }` [INFO] [stdout] dcc6a55a8eecc5ebaf244c205f461d544725bb38104137516743e91e0c2fd2b9 [INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-3-tc1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-3-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] cc3748b45c826024cb39cf77a9c657b00ba5977a71f5e53bf28b229dcf31a3e2 [INFO] running `Command { std: "docker" "start" "-a" "cc3748b45c826024cb39cf77a9c657b00ba5977a71f5e53bf28b229dcf31a3e2", kill_on_drop: false }` [INFO] [stderr] Checking unnest v0.3.1 (/opt/rustwide/workdir) [INFO] [stderr] Finished `dev` profile [unoptimized + debuginfo] target(s) in 0.04s [INFO] running `Command { std: "docker" "inspect" "cc3748b45c826024cb39cf77a9c657b00ba5977a71f5e53bf28b229dcf31a3e2", kill_on_drop: false }` [INFO] running `Command { std: "docker" "rm" "-f" "cc3748b45c826024cb39cf77a9c657b00ba5977a71f5e53bf28b229dcf31a3e2", kill_on_drop: false }` [INFO] [stdout] cc3748b45c826024cb39cf77a9c657b00ba5977a71f5e53bf28b229dcf31a3e2 [INFO] checking unnest-0.3.1 against try#3a4bc97f6385a3aa300a4fd689b44350e54fd676 for no-never-type-fallback [INFO] extracting crate unnest 0.3.1 into /workspace/builds/worker-3-tc2/source [INFO] validating manifest of crates.io crate unnest 0.3.1 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 unnest 0.3.1 [INFO] finished tweaking crates.io crate unnest 0.3.1 [INFO] tweaked toml for crates.io crate unnest 0.3.1 written to /workspace/builds/worker-3-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] 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-3-tc2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-3-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] 258ccc5ae02dff0fd9d5f1c6833fea0b683cd902a3f7a207246bef0776f58a7d [INFO] running `Command { std: "docker" "start" "-a" "258ccc5ae02dff0fd9d5f1c6833fea0b683cd902a3f7a207246bef0776f58a7d", kill_on_drop: false }` [INFO] running `Command { std: "docker" "inspect" "258ccc5ae02dff0fd9d5f1c6833fea0b683cd902a3f7a207246bef0776f58a7d", kill_on_drop: false }` [INFO] running `Command { std: "docker" "rm" "-f" "258ccc5ae02dff0fd9d5f1c6833fea0b683cd902a3f7a207246bef0776f58a7d", kill_on_drop: false }` [INFO] [stdout] 258ccc5ae02dff0fd9d5f1c6833fea0b683cd902a3f7a207246bef0776f58a7d [INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-3-tc2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-3-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] f1a0f1af6aaabb63a21ddc2751e229859a4407e8dd96240539a0c475caf287ac [INFO] running `Command { std: "docker" "start" "-a" "f1a0f1af6aaabb63a21ddc2751e229859a4407e8dd96240539a0c475caf287ac", kill_on_drop: false }` [INFO] [stderr] Checking unnest v0.3.1 (/opt/rustwide/workdir) [INFO] [stdout] error[E0282]: type annotations needed [INFO] [stdout] --> src/lib.rs:142:28 [INFO] [stdout] | [INFO] [stdout] 142 | some_or_break!(None); [INFO] [stdout] | ^^^^ cannot infer type of the type parameter `T` declared on the enum `Option` [INFO] [stdout] | [INFO] [stdout] help: consider specifying the generic argument [INFO] [stdout] | [INFO] [stdout] 142 | some_or_break!(None::); [INFO] [stdout] | +++++ [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] error[E0282]: type annotations needed [INFO] [stdout] --> src/lib.rs:161:25 [INFO] [stdout] | [INFO] [stdout] 161 | some_or_return!(None); [INFO] [stdout] | ^^^^ cannot infer type of the type parameter `T` declared on the enum `Option` [INFO] [stdout] | [INFO] [stdout] help: consider specifying the generic argument [INFO] [stdout] | [INFO] [stdout] 161 | some_or_return!(None::); [INFO] [stdout] | +++++ [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] error[E0282]: type annotations needed [INFO] [stdout] --> src/lib.rs:168:30 [INFO] [stdout] | [INFO] [stdout] 168 | some_or_return_with!(None, ()); [INFO] [stdout] | ^^^^ cannot infer type of the type parameter `T` declared on the enum `Option` [INFO] [stdout] | [INFO] [stdout] help: consider specifying the generic argument [INFO] [stdout] | [INFO] [stdout] 168 | some_or_return_with!(None::, ()); [INFO] [stdout] | +++++ [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] error[E0282]: type annotations needed [INFO] [stdout] --> src/lib.rs:176:26 [INFO] [stdout] | [INFO] [stdout] 176 | ok_or_break!(Err(())); [INFO] [stdout] | ^^^ cannot infer type of the type parameter `T` declared on the enum `Result` [INFO] [stdout] | [INFO] [stdout] help: consider specifying the generic arguments [INFO] [stdout] | [INFO] [stdout] 176 | ok_or_break!(Err::(())); [INFO] [stdout] | +++++++++ [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] error[E0282]: type annotations needed [INFO] [stdout] --> src/lib.rs:196:23 [INFO] [stdout] | [INFO] [stdout] 196 | ok_or_return!(Err(())); [INFO] [stdout] | ^^^ cannot infer type of the type parameter `T` declared on the enum `Result` [INFO] [stdout] | [INFO] [stdout] help: consider specifying the generic arguments [INFO] [stdout] | [INFO] [stdout] 196 | ok_or_return!(Err::(())); [INFO] [stdout] | +++++++++ [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] error[E0282]: type annotations needed [INFO] [stdout] --> src/lib.rs:203:28 [INFO] [stdout] | [INFO] [stdout] 203 | ok_or_return_with!(Err(()), ()); [INFO] [stdout] | ^^^ cannot infer type of the type parameter `T` declared on the enum `Result` [INFO] [stdout] | [INFO] [stdout] help: consider specifying the generic arguments [INFO] [stdout] | [INFO] [stdout] 203 | ok_or_return_with!(Err::(()), ()); [INFO] [stdout] | +++++++++ [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] error: aborting due to 6 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 `unnest` (lib test) due to 7 previous errors [INFO] running `Command { std: "docker" "inspect" "f1a0f1af6aaabb63a21ddc2751e229859a4407e8dd96240539a0c475caf287ac", kill_on_drop: false }` [INFO] running `Command { std: "docker" "rm" "-f" "f1a0f1af6aaabb63a21ddc2751e229859a4407e8dd96240539a0c475caf287ac", kill_on_drop: false }` [INFO] [stdout] f1a0f1af6aaabb63a21ddc2751e229859a4407e8dd96240539a0c475caf287ac