[INFO] fetching crate tear 0.5.1... [INFO] checking tear-0.5.1 against master#ceab6128fa48a616bfd3e3adf4bc80133b8ee223 for no-never-type-fallback [INFO] extracting crate tear 0.5.1 into /workspace/builds/worker-4-tc1/source [INFO] validating manifest of crates.io crate tear 0.5.1 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 tear 0.5.1 [INFO] finished tweaking crates.io crate tear 0.5.1 [INFO] tweaked toml for crates.io crate tear 0.5.1 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 28 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] d338df6775bc28c47f6b22d93ab8d5bf323a63898f425f70e62bf22435359db8 [INFO] running `Command { std: "docker" "start" "-a" "d338df6775bc28c47f6b22d93ab8d5bf323a63898f425f70e62bf22435359db8", kill_on_drop: false }` [INFO] running `Command { std: "docker" "inspect" "d338df6775bc28c47f6b22d93ab8d5bf323a63898f425f70e62bf22435359db8", kill_on_drop: false }` [INFO] running `Command { std: "docker" "rm" "-f" "d338df6775bc28c47f6b22d93ab8d5bf323a63898f425f70e62bf22435359db8", kill_on_drop: false }` [INFO] [stdout] d338df6775bc28c47f6b22d93ab8d5bf323a63898f425f70e62bf22435359db8 [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] f7730ed571eddd8fc2a7b41db33be7af1230330089bfe8e0be5ff8ee7c8791f7 [INFO] running `Command { std: "docker" "start" "-a" "f7730ed571eddd8fc2a7b41db33be7af1230330089bfe8e0be5ff8ee7c8791f7", kill_on_drop: false }` [INFO] [stderr] Compiling serde v1.0.197 [INFO] [stderr] Compiling proc-macro2 v1.0.79 [INFO] [stderr] Compiling trybuild v1.0.91 [INFO] [stderr] Checking termcolor v1.4.1 [INFO] [stderr] Checking glob v0.3.1 [INFO] [stderr] Checking tear v0.5.1 (/opt/rustwide/workdir) [INFO] [stderr] Compiling quote v1.0.35 [INFO] [stderr] Compiling syn v2.0.58 [INFO] [stderr] Compiling serde_derive v1.0.197 [INFO] [stderr] Checking toml_datetime v0.6.5 [INFO] [stderr] Checking serde_spanned v0.6.5 [INFO] [stderr] Checking serde_json v1.0.115 [INFO] [stderr] Checking toml_edit v0.22.9 [INFO] [stderr] Checking toml v0.8.12 [INFO] [stderr] Finished `dev` profile [unoptimized + debuginfo] target(s) in 4.13s [INFO] running `Command { std: "docker" "inspect" "f7730ed571eddd8fc2a7b41db33be7af1230330089bfe8e0be5ff8ee7c8791f7", kill_on_drop: false }` [INFO] running `Command { std: "docker" "rm" "-f" "f7730ed571eddd8fc2a7b41db33be7af1230330089bfe8e0be5ff8ee7c8791f7", kill_on_drop: false }` [INFO] [stdout] f7730ed571eddd8fc2a7b41db33be7af1230330089bfe8e0be5ff8ee7c8791f7 [INFO] checking tear-0.5.1 against try#3a4bc97f6385a3aa300a4fd689b44350e54fd676 for no-never-type-fallback [INFO] extracting crate tear 0.5.1 into /workspace/builds/worker-4-tc2/source [INFO] validating manifest of crates.io crate tear 0.5.1 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 tear 0.5.1 [INFO] finished tweaking crates.io crate tear 0.5.1 [INFO] tweaked toml for crates.io crate tear 0.5.1 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] 8e34d4badd24147074e648e83201cb123c48d9e7c19ff9806bafefe1d314e0c2 [INFO] running `Command { std: "docker" "start" "-a" "8e34d4badd24147074e648e83201cb123c48d9e7c19ff9806bafefe1d314e0c2", kill_on_drop: false }` [INFO] running `Command { std: "docker" "inspect" "8e34d4badd24147074e648e83201cb123c48d9e7c19ff9806bafefe1d314e0c2", kill_on_drop: false }` [INFO] running `Command { std: "docker" "rm" "-f" "8e34d4badd24147074e648e83201cb123c48d9e7c19ff9806bafefe1d314e0c2", kill_on_drop: false }` [INFO] [stdout] 8e34d4badd24147074e648e83201cb123c48d9e7c19ff9806bafefe1d314e0c2 [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] d9f756be0cff11b74094faded0cf083c1c507848af85654e4a8fdef491be2ca2 [INFO] running `Command { std: "docker" "start" "-a" "d9f756be0cff11b74094faded0cf083c1c507848af85654e4a8fdef491be2ca2", kill_on_drop: false }` [INFO] [stderr] Compiling serde v1.0.197 [INFO] [stderr] Compiling proc-macro2 v1.0.79 [INFO] [stderr] Checking winnow v0.6.5 [INFO] [stderr] Compiling trybuild v1.0.91 [INFO] [stderr] Checking glob v0.3.1 [INFO] [stderr] Checking termcolor v1.4.1 [INFO] [stderr] Checking tear v0.5.1 (/opt/rustwide/workdir) [INFO] [stderr] Compiling quote v1.0.35 [INFO] [stderr] Compiling syn v2.0.58 [INFO] [stderr] Compiling serde_derive v1.0.197 [INFO] [stderr] Checking toml_datetime v0.6.5 [INFO] [stderr] Checking serde_spanned v0.6.5 [INFO] [stderr] Checking serde_json v1.0.115 [INFO] [stderr] Checking toml_edit v0.22.9 [INFO] [stderr] Checking toml v0.8.12 [INFO] [stdout] error[E0282]: type annotations needed [INFO] [stdout] --> tests/vanilla.rs:32:11 [INFO] [stdout] | [INFO] [stdout] 32 | tear! { AB::B::<_, i32>(6) }; [INFO] [stdout] | ^^^^^^^^^^^^^^^ cannot infer type of the type parameter `T` declared on the enum `AB` [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] error[E0282]: type annotations needed [INFO] [stdout] --> tests/misc.rs:6:13 [INFO] [stdout] | [INFO] [stdout] 6 | terror! { None => tear::gut }; [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] 6 | terror! { None:: => tear::gut }; [INFO] [stdout] | +++++ [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] error[E0282]: type annotations needed [INFO] [stdout] --> tests/misc.rs:15:13 [INFO] [stdout] | [INFO] [stdout] 15 | terror! { 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] 15 | terror! { None:: => |_| () }; [INFO] [stdout] | +++++ [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] [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] [stdout] error[E0282]: type annotations needed [INFO] [stdout] --> tests/terror.rs:10:12 [INFO] [stdout] | [INFO] [stdout] 10 | terror! { Err(1) => |_| () }; [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] 10 | terror! { Err::(1) => |_| () }; [INFO] [stdout] | ++++++++++ [INFO] [stdout] [INFO] [stdout] [INFO] [stderr] error: could not compile `tear` (test "vanilla") due to 2 previous errors [INFO] [stderr] warning: build failed, waiting for other jobs to finish... [INFO] [stderr] error: could not compile `tear` (test "misc") due to 3 previous errors [INFO] [stdout] error[E0282]: type annotations needed [INFO] [stdout] --> tests/terror.rs:40:13 [INFO] [stdout] | [INFO] [stdout] 40 | terror! { Err(0) }; [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] 40 | terror! { Err::(0) }; [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 `tear` (test "terror") due to 3 previous errors [INFO] [stdout] error[E0282]: type annotations needed [INFO] [stdout] --> tests/label.rs:25:4 [INFO] [stdout] | [INFO] [stdout] 25 | twist! { -label 'a | JUST_BREAK } [INFO] [stdout] | ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^ cannot infer type [INFO] [stdout] | [INFO] [stdout] = note: this error originates in the macro `twist` (in Nightly builds, run with -Z macro-backtrace for more info) [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] error[E0282]: type annotations needed [INFO] [stdout] --> tests/label.rs:62:4 [INFO] [stdout] | [INFO] [stdout] 62 | / if x < 4 { next!() } [INFO] [stdout] 63 | | else { last!() } [INFO] [stdout] | |____________________________^ cannot infer type [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] error[E0282]: type annotations needed [INFO] [stdout] --> tests/label.rs:75:4 [INFO] [stdout] | [INFO] [stdout] 75 | / if x < 4 { next!(0) } [INFO] [stdout] 76 | | else { last!() } [INFO] [stdout] | |____________________________^ cannot infer type [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] error[E0282]: type annotations needed [INFO] [stdout] --> tests/label.rs:86:29 [INFO] [stdout] | [INFO] [stdout] 86 | twist! { -label 'a, 'b | last!(0) } [INFO] [stdout] | ^^^^^^^^ cannot infer type [INFO] [stdout] | [INFO] [stdout] = note: this error originates in the macro `last` (in Nightly builds, run with -Z macro-backtrace for more info) [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] error[E0282]: type annotations needed [INFO] [stdout] --> tests/label.rs:96:34 [INFO] [stdout] | [INFO] [stdout] 96 | twist! { -label 'a :i32, 'b | Looping::BreakVal { label: Some(0), value: 8 } } [INFO] [stdout] | ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^ cannot infer type of the type parameter `T` declared on the enum `Looping` [INFO] [stdout] | [INFO] [stdout] help: consider specifying the generic arguments [INFO] [stdout] | [INFO] [stdout] 96 | twist! { -label 'a :i32, 'b | Looping::::BreakVal { label: Some(0), value: 8 } } [INFO] [stdout] | ++++++++++ [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] error[E0282]: type annotations needed [INFO] [stdout] --> tests/label.rs:111:17 [INFO] [stdout] | [INFO] [stdout] 111 | if y > 5 { Looping::BreakVal { label: Some(0), value: 8 } } [INFO] [stdout] | ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^ cannot infer type of the type parameter `T` declared on the enum `Looping` [INFO] [stdout] | [INFO] [stdout] help: consider specifying the generic arguments [INFO] [stdout] | [INFO] [stdout] 111 | if y > 5 { Looping::::BreakVal { label: Some(0), value: 8 } } [INFO] [stdout] | ++++++++++ [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] error[E0282]: type annotations needed [INFO] [stdout] --> tests/label.rs:155:17 [INFO] [stdout] | [INFO] [stdout] 155 | if c < 3 { Looping::BreakVal { label: None, value: 0 } } [INFO] [stdout] | ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^ cannot infer type of the type parameter `T` declared on the enum `Looping` [INFO] [stdout] | [INFO] [stdout] help: consider specifying the generic arguments [INFO] [stdout] | [INFO] [stdout] 155 | if c < 3 { Looping::::BreakVal { label: None, value: 0 } } [INFO] [stdout] | ++++++++++ [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] error[E0282]: type annotations needed [INFO] [stdout] --> tests/label.rs:185:16 [INFO] [stdout] | [INFO] [stdout] 185 | if ii == 0 { Looping::BreakVal { label: Some(1), value: anybox!(2) } } [INFO] [stdout] | ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^ cannot infer type of the type parameter `T` declared on the enum `Looping` [INFO] [stdout] | [INFO] [stdout] help: consider specifying the generic arguments [INFO] [stdout] | [INFO] [stdout] 185 | if ii == 0 { Looping::>::BreakVal { label: Some(1), value: anybox!(2) } } [INFO] [stdout] | +++++++++++++++++++ [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] error: aborting due to 8 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 `tear` (test "label") due to 9 previous errors [INFO] running `Command { std: "docker" "inspect" "d9f756be0cff11b74094faded0cf083c1c507848af85654e4a8fdef491be2ca2", kill_on_drop: false }` [INFO] running `Command { std: "docker" "rm" "-f" "d9f756be0cff11b74094faded0cf083c1c507848af85654e4a8fdef491be2ca2", kill_on_drop: false }` [INFO] [stdout] d9f756be0cff11b74094faded0cf083c1c507848af85654e4a8fdef491be2ca2