[INFO] fetching crate extdot-impl 0.2.0... [INFO] checking extdot-impl-0.2.0 against master#1280928a99ad3ef2c5735b42dc8852456ae3b974 for pr-120798 [INFO] extracting crate extdot-impl 0.2.0 into /workspace/builds/worker-5-tc1/source [INFO] validating manifest of crates.io crate extdot-impl 0.2.0 on toolchain 1280928a99ad3ef2c5735b42dc8852456ae3b974 [INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+1280928a99ad3ef2c5735b42dc8852456ae3b974" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }` [INFO] started tweaking crates.io crate extdot-impl 0.2.0 [INFO] finished tweaking crates.io crate extdot-impl 0.2.0 [INFO] tweaked toml for crates.io crate extdot-impl 0.2.0 written to /workspace/builds/worker-5-tc1/source/Cargo.toml [INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+1280928a99ad3ef2c5735b42dc8852456ae3b974" "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" "+1280928a99ad3ef2c5735b42dc8852456ae3b974" "fetch" "--manifest-path" "Cargo.toml", kill_on_drop: false }` [INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-5-tc1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-5-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" "+1280928a99ad3ef2c5735b42dc8852456ae3b974" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }` [INFO] [stdout] b7899dc1dbb4864fd8dae9dff1305d9ffd3546bee8b6cfe4790e9aed82010a7f [INFO] running `Command { std: "docker" "start" "-a" "b7899dc1dbb4864fd8dae9dff1305d9ffd3546bee8b6cfe4790e9aed82010a7f", kill_on_drop: false }` [INFO] running `Command { std: "docker" "inspect" "b7899dc1dbb4864fd8dae9dff1305d9ffd3546bee8b6cfe4790e9aed82010a7f", kill_on_drop: false }` [INFO] running `Command { std: "docker" "rm" "-f" "b7899dc1dbb4864fd8dae9dff1305d9ffd3546bee8b6cfe4790e9aed82010a7f", kill_on_drop: false }` [INFO] [stdout] b7899dc1dbb4864fd8dae9dff1305d9ffd3546bee8b6cfe4790e9aed82010a7f [INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-5-tc1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-5-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" "+1280928a99ad3ef2c5735b42dc8852456ae3b974" "check" "--frozen" "--all" "--all-targets" "--message-format=json", kill_on_drop: false }` [INFO] [stdout] 8d77e0eac601a2c5441f04bbc102e0c5e084312ef03cc15c9ce6895452419c3c [INFO] running `Command { std: "docker" "start" "-a" "8d77e0eac601a2c5441f04bbc102e0c5e084312ef03cc15c9ce6895452419c3c", kill_on_drop: false }` [INFO] [stderr] Compiling proc-macro-hack v0.5.20+deprecated [INFO] [stderr] Checking extdot-impl v0.2.0 (/opt/rustwide/workdir) [INFO] [stdout] warning: trait objects without an explicit `dyn` are deprecated [INFO] [stdout] --> src/lib.rs:37:29 [INFO] [stdout] | [INFO] [stdout] 37 | let mut rv: Vec>> = vec![]; [INFO] [stdout] | ^^^^^^^^^^^^^^^^^^^^^^^^^^ [INFO] [stdout] | [INFO] [stdout] = warning: this is accepted in the current edition (Rust 2018) but is a hard error in Rust 2021! [INFO] [stdout] = note: for more information, see [INFO] [stdout] = note: `#[warn(bare_trait_objects)]` on by default [INFO] [stdout] help: use `dyn` [INFO] [stdout] | [INFO] [stdout] 37 | let mut rv: Vec>> = vec![]; [INFO] [stdout] | +++ [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: trait objects without an explicit `dyn` are deprecated [INFO] [stdout] --> src/lib.rs:37:29 [INFO] [stdout] | [INFO] [stdout] 37 | let mut rv: Vec>> = vec![]; [INFO] [stdout] | ^^^^^^^^^^^^^^^^^^^^^^^^^^ [INFO] [stdout] | [INFO] [stdout] = warning: this is accepted in the current edition (Rust 2018) but is a hard error in Rust 2021! [INFO] [stdout] = note: for more information, see [INFO] [stdout] = note: `#[warn(bare_trait_objects)]` on by default [INFO] [stdout] help: use `dyn` [INFO] [stdout] | [INFO] [stdout] 37 | let mut rv: Vec>> = vec![]; [INFO] [stdout] | +++ [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: 1 warning emitted [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: 1 warning emitted [INFO] [stdout] [INFO] [stdout] [INFO] [stderr] Finished dev [unoptimized + debuginfo] target(s) in 0.69s [INFO] running `Command { std: "docker" "inspect" "8d77e0eac601a2c5441f04bbc102e0c5e084312ef03cc15c9ce6895452419c3c", kill_on_drop: false }` [INFO] running `Command { std: "docker" "rm" "-f" "8d77e0eac601a2c5441f04bbc102e0c5e084312ef03cc15c9ce6895452419c3c", kill_on_drop: false }` [INFO] [stdout] 8d77e0eac601a2c5441f04bbc102e0c5e084312ef03cc15c9ce6895452419c3c [INFO] checking extdot-impl-0.2.0 against try#9b9e20bc79549d80ab413f49d990713851172cc1 for pr-120798 [INFO] extracting crate extdot-impl 0.2.0 into /workspace/builds/worker-5-tc2/source [INFO] validating manifest of crates.io crate extdot-impl 0.2.0 on toolchain 9b9e20bc79549d80ab413f49d990713851172cc1 [INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+9b9e20bc79549d80ab413f49d990713851172cc1" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }` [INFO] started tweaking crates.io crate extdot-impl 0.2.0 [INFO] finished tweaking crates.io crate extdot-impl 0.2.0 [INFO] tweaked toml for crates.io crate extdot-impl 0.2.0 written to /workspace/builds/worker-5-tc2/source/Cargo.toml [INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+9b9e20bc79549d80ab413f49d990713851172cc1" "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" "+9b9e20bc79549d80ab413f49d990713851172cc1" "fetch" "--manifest-path" "Cargo.toml", kill_on_drop: false }` [INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-5-tc2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-5-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" "+9b9e20bc79549d80ab413f49d990713851172cc1" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }` [INFO] [stdout] 25eca23c2babbb179240de49d11e33124ea7a2c56cf84f6b0a4136ccb61930e8 [INFO] running `Command { std: "docker" "start" "-a" "25eca23c2babbb179240de49d11e33124ea7a2c56cf84f6b0a4136ccb61930e8", kill_on_drop: false }` [INFO] running `Command { std: "docker" "inspect" "25eca23c2babbb179240de49d11e33124ea7a2c56cf84f6b0a4136ccb61930e8", kill_on_drop: false }` [INFO] running `Command { std: "docker" "rm" "-f" "25eca23c2babbb179240de49d11e33124ea7a2c56cf84f6b0a4136ccb61930e8", kill_on_drop: false }` [INFO] [stdout] 25eca23c2babbb179240de49d11e33124ea7a2c56cf84f6b0a4136ccb61930e8 [INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-5-tc2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-5-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" "+9b9e20bc79549d80ab413f49d990713851172cc1" "check" "--frozen" "--all" "--all-targets" "--message-format=json", kill_on_drop: false }` [INFO] [stdout] 6ec70547c733af53ff1c87e8f31bc77ca5331116c38b5c174e3b7e10d0d7132c [INFO] running `Command { std: "docker" "start" "-a" "6ec70547c733af53ff1c87e8f31bc77ca5331116c38b5c174e3b7e10d0d7132c", kill_on_drop: false }` [INFO] [stderr] Compiling proc-macro-hack v0.5.20+deprecated [INFO] [stderr] Checking extdot-impl v0.2.0 (/opt/rustwide/workdir) [INFO] [stdout] warning: trait objects without an explicit `dyn` are deprecated [INFO] [stdout] --> src/lib.rs:37:29 [INFO] [stdout] | [INFO] [stdout] 37 | let mut rv: Vec>> = vec![]; [INFO] [stdout] | ^^^^^^^^^^^^^^^^^^^^^^^^^^ [INFO] [stdout] | [INFO] [stdout] = warning: this is accepted in the current edition (Rust 2018) but is a hard error in Rust 2021! [INFO] [stdout] = note: for more information, see [INFO] [stdout] = note: `#[warn(bare_trait_objects)]` on by default [INFO] [stdout] help: use `dyn` [INFO] [stdout] | [INFO] [stdout] 37 | let mut rv: Vec>> = vec![]; [INFO] [stdout] | +++ [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: trait objects without an explicit `dyn` are deprecated [INFO] [stdout] --> src/lib.rs:37:29 [INFO] [stdout] | [INFO] [stdout] 37 | let mut rv: Vec>> = vec![]; [INFO] [stdout] | ^^^^^^^^^^^^^^^^^^^^^^^^^^ [INFO] [stdout] | [INFO] [stdout] = warning: this is accepted in the current edition (Rust 2018) but is a hard error in Rust 2021! [INFO] [stdout] = note: for more information, see [INFO] [stdout] = note: `#[warn(bare_trait_objects)]` on by default [INFO] [stdout] help: use `dyn` [INFO] [stdout] | [INFO] [stdout] 37 | let mut rv: Vec>> = vec![]; [INFO] [stdout] | +++ [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] error[E0283]: type annotations needed [INFO] [stdout] --> src/lib.rs:50:21 [INFO] [stdout] | [INFO] [stdout] 50 | let block = extdot(grp.stream().into_iter()); [INFO] [stdout] | ^^^^^ -------------------------------- type must be known at this point [INFO] [stdout] | [INFO] [stdout] = note: cannot satisfy `_: Iterator` [INFO] [stdout] help: consider giving `block` an explicit type [INFO] [stdout] | [INFO] [stdout] 50 | let block: /* Type */ = extdot(grp.stream().into_iter()); [INFO] [stdout] | ++++++++++++ [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] error[E0283]: type annotations needed [INFO] [stdout] --> src/lib.rs:50:21 [INFO] [stdout] | [INFO] [stdout] 50 | let block = extdot(grp.stream().into_iter()); [INFO] [stdout] | ^^^^^ -------------------------------- type must be known at this point [INFO] [stdout] | [INFO] [stdout] = note: cannot satisfy `_: Iterator` [INFO] [stdout] help: consider giving `block` an explicit type [INFO] [stdout] | [INFO] [stdout] 50 | let block: /* Type */ = extdot(grp.stream().into_iter()); [INFO] [stdout] | ++++++++++++ [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] error[E0283]: type annotations needed [INFO] [stdout] --> src/lib.rs:51:29 [INFO] [stdout] | [INFO] [stdout] 51 | let block = TokenStream::from_iter(block); [INFO] [stdout] | ^^^^^^^^^^^ cannot infer type for type parameter `A` declared on the trait `FromIterator` [INFO] [stdout] | [INFO] [stdout] = note: multiple `impl`s satisfying `proc_macro::TokenStream: FromIterator<_>` found in the `proc_macro` crate: [INFO] [stdout] - impl FromIterator for proc_macro::TokenStream; [INFO] [stdout] - impl FromIterator for proc_macro::TokenStream; [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] error[E0283]: type annotations needed [INFO] [stdout] --> src/lib.rs:51:29 [INFO] [stdout] | [INFO] [stdout] 51 | let block = TokenStream::from_iter(block); [INFO] [stdout] | ^^^^^^^^^^^ cannot infer type for type parameter `A` declared on the trait `FromIterator` [INFO] [stdout] | [INFO] [stdout] = note: multiple `impl`s satisfying `proc_macro::TokenStream: FromIterator<_>` found in the `proc_macro` crate: [INFO] [stdout] - impl FromIterator for proc_macro::TokenStream; [INFO] [stdout] - impl FromIterator for proc_macro::TokenStream; [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] error: concrete type differs from previous defining opaque type use [INFO] [stdout] --> src/lib.rs:50:29 [INFO] [stdout] | [INFO] [stdout] 50 | let block = extdot(grp.stream().into_iter()); [INFO] [stdout] | ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^ [INFO] [stdout] | | [INFO] [stdout] | expected `{type error}`, got `impl Iterator` [INFO] [stdout] | this expression supplies two conflicting concrete types for the same opaque type [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] error: aborting due to 3 previous errors; 1 warning emitted [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] For more information about this error, try `rustc --explain E0283`. [INFO] [stdout] [INFO] [stdout] error: concrete type differs from previous defining opaque type use [INFO] [stdout] --> src/lib.rs:50:29 [INFO] [stdout] | [INFO] [stdout] 50 | let block = extdot(grp.stream().into_iter()); [INFO] [stdout] | ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^ [INFO] [stdout] | | [INFO] [stdout] | expected `{type error}`, got `impl Iterator` [INFO] [stdout] | this expression supplies two conflicting concrete types for the same opaque type [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] error: aborting due to 3 previous errors; 1 warning emitted [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] For more information about this error, try `rustc --explain E0283`. [INFO] [stdout] [INFO] [stderr] error: could not compile `extdot-impl` (lib) due to 4 previous errors; 1 warning emitted [INFO] [stderr] warning: build failed, waiting for other jobs to finish... [INFO] [stderr] error: could not compile `extdot-impl` (lib test) due to 4 previous errors; 1 warning emitted [INFO] running `Command { std: "docker" "inspect" "6ec70547c733af53ff1c87e8f31bc77ca5331116c38b5c174e3b7e10d0d7132c", kill_on_drop: false }` [INFO] running `Command { std: "docker" "rm" "-f" "6ec70547c733af53ff1c87e8f31bc77ca5331116c38b5c174e3b7e10d0d7132c", kill_on_drop: false }` [INFO] [stdout] 6ec70547c733af53ff1c87e8f31bc77ca5331116c38b5c174e3b7e10d0d7132c