[INFO] fetching crate lark-debug-with 0.1.0... [INFO] checking lark-debug-with-0.1.0 against master#f609b7e0586f81fefb3523e3e17adf779ac416be for pr-129466-2 [INFO] extracting crate lark-debug-with 0.1.0 into /workspace/builds/worker-2-tc1/source [INFO] validating manifest of crates.io crate lark-debug-with 0.1.0 on toolchain f609b7e0586f81fefb3523e3e17adf779ac416be [INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+f609b7e0586f81fefb3523e3e17adf779ac416be" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }` [INFO] started tweaking crates.io crate lark-debug-with 0.1.0 [INFO] finished tweaking crates.io crate lark-debug-with 0.1.0 [INFO] tweaked toml for crates.io crate lark-debug-with 0.1.0 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" "+f609b7e0586f81fefb3523e3e17adf779ac416be" "generate-lockfile" "--manifest-path" "Cargo.toml", kill_on_drop: false }` [INFO] [stderr] Blocking waiting for file lock on package cache [INFO] [stderr] Updating crates.io index [INFO] [stderr] Locking 3 packages to latest compatible versions [INFO] [stderr] Adding hashbrown v0.12.3 (available: v0.14.5) [INFO] [stderr] Adding indexmap v1.9.3 (available: v2.5.0) [INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+f609b7e0586f81fefb3523e3e17adf779ac416be" "fetch" "--manifest-path" "Cargo.toml", kill_on_drop: false }` [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:ceb6ea022f8a89cebbe621bb4987e73a935bd40dfbb726f832cfff4742a5b95a" "/opt/rustwide/cargo-home/bin/cargo" "+f609b7e0586f81fefb3523e3e17adf779ac416be" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }` [INFO] [stdout] b5c011707ea552c7b8b21941c2a9cfd3bf76ad9612793b4eafc8faf04dc6ea80 [INFO] running `Command { std: "docker" "start" "-a" "b5c011707ea552c7b8b21941c2a9cfd3bf76ad9612793b4eafc8faf04dc6ea80", kill_on_drop: false }` [INFO] running `Command { std: "docker" "inspect" "b5c011707ea552c7b8b21941c2a9cfd3bf76ad9612793b4eafc8faf04dc6ea80", kill_on_drop: false }` [INFO] running `Command { std: "docker" "rm" "-f" "b5c011707ea552c7b8b21941c2a9cfd3bf76ad9612793b4eafc8faf04dc6ea80", kill_on_drop: false }` [INFO] [stdout] b5c011707ea552c7b8b21941c2a9cfd3bf76ad9612793b4eafc8faf04dc6ea80 [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:ceb6ea022f8a89cebbe621bb4987e73a935bd40dfbb726f832cfff4742a5b95a" "/opt/rustwide/cargo-home/bin/cargo" "+f609b7e0586f81fefb3523e3e17adf779ac416be" "check" "--frozen" "--all" "--all-targets" "--message-format=json", kill_on_drop: false }` [INFO] [stdout] 0c2fc049599783bea72a4a0a7f76c553e42f7252f8a783d3eb0ff6f79bfdc751 [INFO] running `Command { std: "docker" "start" "-a" "0c2fc049599783bea72a4a0a7f76c553e42f7252f8a783d3eb0ff6f79bfdc751", kill_on_drop: false }` [INFO] [stderr] Compiling autocfg v1.3.0 [INFO] [stderr] Checking hashbrown v0.12.3 [INFO] [stderr] Compiling indexmap v1.9.3 [INFO] [stderr] Checking lark-debug-with v0.1.0 (/opt/rustwide/workdir) [INFO] [stdout] error[E0557]: feature has been removed [INFO] [stdout] --> src/lib.rs:8:12 [INFO] [stdout] | [INFO] [stdout] 8 | #![feature(in_band_lifetimes)] [INFO] [stdout] | ^^^^^^^^^^^^^^^^^ feature has been removed [INFO] [stdout] | [INFO] [stdout] = note: removed due to unsolved ergonomic questions and added lifetime resolution complexity [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] error[E0557]: feature has been removed [INFO] [stdout] --> src/lib.rs:8:12 [INFO] [stdout] | [INFO] [stdout] 8 | #![feature(in_band_lifetimes)] [INFO] [stdout] | ^^^^^^^^^^^^^^^^^ feature has been removed [INFO] [stdout] | [INFO] [stdout] = note: removed due to unsolved ergonomic questions and added lifetime resolution complexity [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] error[E0261]: use of undeclared lifetime name `'me` [INFO] [stdout] --> src/lib.rs:18:32 [INFO] [stdout] | [INFO] [stdout] 18 | fn debug_with(&'me self, cx: &'me Cx) -> DebugCxPair<'me, &'me Self, Cx> { [INFO] [stdout] | ^^^ undeclared lifetime [INFO] [stdout] | [INFO] [stdout] help: consider introducing lifetime `'me` here [INFO] [stdout] | [INFO] [stdout] 18 | fn debug_with<'me, Cx: ?Sized>(&'me self, cx: &'me Cx) -> DebugCxPair<'me, &'me Self, Cx> { [INFO] [stdout] | ++++ [INFO] [stdout] help: consider introducing lifetime `'me` here [INFO] [stdout] | [INFO] [stdout] 17 | pub trait DebugWith<'me> { [INFO] [stdout] | +++++ [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] error[E0261]: use of undeclared lifetime name `'me` [INFO] [stdout] --> src/lib.rs:18:47 [INFO] [stdout] | [INFO] [stdout] 18 | fn debug_with(&'me self, cx: &'me Cx) -> DebugCxPair<'me, &'me Self, Cx> { [INFO] [stdout] | ^^^ undeclared lifetime [INFO] [stdout] | [INFO] [stdout] help: consider introducing lifetime `'me` here [INFO] [stdout] | [INFO] [stdout] 18 | fn debug_with<'me, Cx: ?Sized>(&'me self, cx: &'me Cx) -> DebugCxPair<'me, &'me Self, Cx> { [INFO] [stdout] | ++++ [INFO] [stdout] help: consider introducing lifetime `'me` here [INFO] [stdout] | [INFO] [stdout] 17 | pub trait DebugWith<'me> { [INFO] [stdout] | +++++ [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] error[E0261]: use of undeclared lifetime name `'me` [INFO] [stdout] --> src/lib.rs:18:70 [INFO] [stdout] | [INFO] [stdout] 18 | fn debug_with(&'me self, cx: &'me Cx) -> DebugCxPair<'me, &'me Self, Cx> { [INFO] [stdout] | ^^^ undeclared lifetime [INFO] [stdout] | [INFO] [stdout] help: consider introducing lifetime `'me` here [INFO] [stdout] | [INFO] [stdout] 18 | fn debug_with<'me, Cx: ?Sized>(&'me self, cx: &'me Cx) -> DebugCxPair<'me, &'me Self, Cx> { [INFO] [stdout] | ++++ [INFO] [stdout] help: consider introducing lifetime `'me` here [INFO] [stdout] | [INFO] [stdout] 17 | pub trait DebugWith<'me> { [INFO] [stdout] | +++++ [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] error[E0261]: use of undeclared lifetime name `'me` [INFO] [stdout] --> src/lib.rs:18:76 [INFO] [stdout] | [INFO] [stdout] 18 | fn debug_with(&'me self, cx: &'me Cx) -> DebugCxPair<'me, &'me Self, Cx> { [INFO] [stdout] | ^^^ undeclared lifetime [INFO] [stdout] | [INFO] [stdout] help: consider introducing lifetime `'me` here [INFO] [stdout] | [INFO] [stdout] 18 | fn debug_with<'me, Cx: ?Sized>(&'me self, cx: &'me Cx) -> DebugCxPair<'me, &'me Self, Cx> { [INFO] [stdout] | ++++ [INFO] [stdout] help: consider introducing lifetime `'me` here [INFO] [stdout] | [INFO] [stdout] 17 | pub trait DebugWith<'me> { [INFO] [stdout] | +++++ [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] error[E0261]: use of undeclared lifetime name `'me` [INFO] [stdout] --> src/lib.rs:22:47 [INFO] [stdout] | [INFO] [stdout] 22 | fn into_debug_with(self, cx: &'me Cx) -> DebugCxPair<'me, Self, Cx> [INFO] [stdout] | ^^^ undeclared lifetime [INFO] [stdout] | [INFO] [stdout] help: consider introducing lifetime `'me` here [INFO] [stdout] | [INFO] [stdout] 22 | fn into_debug_with<'me, Cx: ?Sized>(self, cx: &'me Cx) -> DebugCxPair<'me, Self, Cx> [INFO] [stdout] | ++++ [INFO] [stdout] help: consider introducing lifetime `'me` here [INFO] [stdout] | [INFO] [stdout] 17 | pub trait DebugWith<'me> { [INFO] [stdout] | +++++ [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] error[E0261]: use of undeclared lifetime name `'me` [INFO] [stdout] --> src/lib.rs:22:70 [INFO] [stdout] | [INFO] [stdout] 22 | fn into_debug_with(self, cx: &'me Cx) -> DebugCxPair<'me, Self, Cx> [INFO] [stdout] | ^^^ undeclared lifetime [INFO] [stdout] | [INFO] [stdout] help: consider introducing lifetime `'me` here [INFO] [stdout] | [INFO] [stdout] 22 | fn into_debug_with<'me, Cx: ?Sized>(self, cx: &'me Cx) -> DebugCxPair<'me, Self, Cx> [INFO] [stdout] | ++++ [INFO] [stdout] help: consider introducing lifetime `'me` here [INFO] [stdout] | [INFO] [stdout] 17 | pub trait DebugWith<'me> { [INFO] [stdout] | +++++ [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] error[E0261]: use of undeclared lifetime name `'me` [INFO] [stdout] --> src/lib.rs:62:57 [INFO] [stdout] | [INFO] [stdout] 62 | impl std::fmt::Debug for DebugCxPair<'me, Value, Cx> [INFO] [stdout] | - ^^^ undeclared lifetime [INFO] [stdout] | | [INFO] [stdout] | help: consider introducing lifetime `'me` here: `'me,` [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] error[E0261]: use of undeclared lifetime name `'me` [INFO] [stdout] --> src/lib.rs:18:32 [INFO] [stdout] | [INFO] [stdout] 18 | fn debug_with(&'me self, cx: &'me Cx) -> DebugCxPair<'me, &'me Self, Cx> { [INFO] [stdout] | ^^^ undeclared lifetime [INFO] [stdout] | [INFO] [stdout] help: consider introducing lifetime `'me` here [INFO] [stdout] | [INFO] [stdout] 18 | fn debug_with<'me, Cx: ?Sized>(&'me self, cx: &'me Cx) -> DebugCxPair<'me, &'me Self, Cx> { [INFO] [stdout] | ++++ [INFO] [stdout] help: consider introducing lifetime `'me` here [INFO] [stdout] | [INFO] [stdout] 17 | pub trait DebugWith<'me> { [INFO] [stdout] | +++++ [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] error[E0261]: use of undeclared lifetime name `'me` [INFO] [stdout] --> src/lib.rs:18:47 [INFO] [stdout] | [INFO] [stdout] 18 | fn debug_with(&'me self, cx: &'me Cx) -> DebugCxPair<'me, &'me Self, Cx> { [INFO] [stdout] | ^^^ undeclared lifetime [INFO] [stdout] | [INFO] [stdout] help: consider introducing lifetime `'me` here [INFO] [stdout] | [INFO] [stdout] 18 | fn debug_with<'me, Cx: ?Sized>(&'me self, cx: &'me Cx) -> DebugCxPair<'me, &'me Self, Cx> { [INFO] [stdout] | ++++ [INFO] [stdout] help: consider introducing lifetime `'me` here [INFO] [stdout] | [INFO] [stdout] 17 | pub trait DebugWith<'me> { [INFO] [stdout] | +++++ [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] error[E0261]: use of undeclared lifetime name `'me` [INFO] [stdout] --> src/lib.rs:18:70 [INFO] [stdout] | [INFO] [stdout] 18 | fn debug_with(&'me self, cx: &'me Cx) -> DebugCxPair<'me, &'me Self, Cx> { [INFO] [stdout] | ^^^ undeclared lifetime [INFO] [stdout] | [INFO] [stdout] help: consider introducing lifetime `'me` here [INFO] [stdout] | [INFO] [stdout] 18 | fn debug_with<'me, Cx: ?Sized>(&'me self, cx: &'me Cx) -> DebugCxPair<'me, &'me Self, Cx> { [INFO] [stdout] | ++++ [INFO] [stdout] help: consider introducing lifetime `'me` here [INFO] [stdout] | [INFO] [stdout] 17 | pub trait DebugWith<'me> { [INFO] [stdout] | +++++ [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] error[E0261]: use of undeclared lifetime name `'me` [INFO] [stdout] --> src/lib.rs:18:76 [INFO] [stdout] | [INFO] [stdout] 18 | fn debug_with(&'me self, cx: &'me Cx) -> DebugCxPair<'me, &'me Self, Cx> { [INFO] [stdout] | ^^^ undeclared lifetime [INFO] [stdout] | [INFO] [stdout] help: consider introducing lifetime `'me` here [INFO] [stdout] | [INFO] [stdout] 18 | fn debug_with<'me, Cx: ?Sized>(&'me self, cx: &'me Cx) -> DebugCxPair<'me, &'me Self, Cx> { [INFO] [stdout] | ++++ [INFO] [stdout] help: consider introducing lifetime `'me` here [INFO] [stdout] | [INFO] [stdout] 17 | pub trait DebugWith<'me> { [INFO] [stdout] | +++++ [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] error[E0261]: use of undeclared lifetime name `'me` [INFO] [stdout] --> src/lib.rs:22:47 [INFO] [stdout] | [INFO] [stdout] 22 | fn into_debug_with(self, cx: &'me Cx) -> DebugCxPair<'me, Self, Cx> [INFO] [stdout] | ^^^ undeclared lifetime [INFO] [stdout] | [INFO] [stdout] help: consider introducing lifetime `'me` here [INFO] [stdout] | [INFO] [stdout] 22 | fn into_debug_with<'me, Cx: ?Sized>(self, cx: &'me Cx) -> DebugCxPair<'me, Self, Cx> [INFO] [stdout] | ++++ [INFO] [stdout] help: consider introducing lifetime `'me` here [INFO] [stdout] | [INFO] [stdout] 17 | pub trait DebugWith<'me> { [INFO] [stdout] | +++++ [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] error[E0261]: use of undeclared lifetime name `'me` [INFO] [stdout] --> src/lib.rs:22:70 [INFO] [stdout] | [INFO] [stdout] 22 | fn into_debug_with(self, cx: &'me Cx) -> DebugCxPair<'me, Self, Cx> [INFO] [stdout] | ^^^ undeclared lifetime [INFO] [stdout] | [INFO] [stdout] help: consider introducing lifetime `'me` here [INFO] [stdout] | [INFO] [stdout] 22 | fn into_debug_with<'me, Cx: ?Sized>(self, cx: &'me Cx) -> DebugCxPair<'me, Self, Cx> [INFO] [stdout] | ++++ [INFO] [stdout] help: consider introducing lifetime `'me` here [INFO] [stdout] | [INFO] [stdout] 17 | pub trait DebugWith<'me> { [INFO] [stdout] | +++++ [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] error[E0261]: use of undeclared lifetime name `'me` [INFO] [stdout] --> src/lib.rs:62:57 [INFO] [stdout] | [INFO] [stdout] 62 | impl std::fmt::Debug for DebugCxPair<'me, Value, Cx> [INFO] [stdout] | - ^^^ undeclared lifetime [INFO] [stdout] | | [INFO] [stdout] | help: consider introducing lifetime `'me` here: `'me,` [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] error[E0261]: use of undeclared lifetime name `'me` [INFO] [stdout] --> src/lib.rs:71:59 [INFO] [stdout] | [INFO] [stdout] 71 | impl std::fmt::Display for DebugCxPair<'me, Value, Cx> [INFO] [stdout] | - ^^^ undeclared lifetime [INFO] [stdout] | | [INFO] [stdout] | help: consider introducing lifetime `'me` here: `'me,` [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] error[E0261]: use of undeclared lifetime name `'me` [INFO] [stdout] --> src/lib.rs:71:59 [INFO] [stdout] | [INFO] [stdout] 71 | impl std::fmt::Display for DebugCxPair<'me, Value, Cx> [INFO] [stdout] | - ^^^ undeclared lifetime [INFO] [stdout] | | [INFO] [stdout] | help: consider introducing lifetime `'me` here: `'me,` [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: the feature `specialization` is incomplete and may not be safe to use and/or cause compiler crashes [INFO] [stdout] --> src/lib.rs:9:12 [INFO] [stdout] | [INFO] [stdout] 9 | #![feature(specialization)] [INFO] [stdout] | ^^^^^^^^^^^^^^ [INFO] [stdout] | [INFO] [stdout] = note: see issue #31844 for more information [INFO] [stdout] = help: consider using `min_specialization` instead, which is more stable and complete [INFO] [stdout] = note: `#[warn(incomplete_features)]` on by default [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: the feature `specialization` is incomplete and may not be safe to use and/or cause compiler crashes [INFO] [stdout] --> src/lib.rs:9:12 [INFO] [stdout] | [INFO] [stdout] 9 | #![feature(specialization)] [INFO] [stdout] | ^^^^^^^^^^^^^^ [INFO] [stdout] | [INFO] [stdout] = note: see issue #31844 for more information [INFO] [stdout] = help: consider using `min_specialization` instead, which is more stable and complete [INFO] [stdout] = note: `#[warn(incomplete_features)]` on by default [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] error: aborting due to 9 previous errors; 1 warning emitted [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] Some errors have detailed explanations: E0261, E0557. [INFO] [stdout] [INFO] [stdout] For more information about an error, try `rustc --explain E0261`. [INFO] [stdout] [INFO] [stderr] error: could not compile `lark-debug-with` (lib) due to 10 previous errors; 1 warning emitted [INFO] [stderr] warning: build failed, waiting for other jobs to finish... [INFO] [stdout] error: aborting due to 9 previous errors; 1 warning emitted [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] Some errors have detailed explanations: E0261, E0557. [INFO] [stdout] [INFO] [stdout] For more information about an error, try `rustc --explain E0261`. [INFO] [stdout] [INFO] [stderr] error: could not compile `lark-debug-with` (lib test) due to 10 previous errors; 1 warning emitted [INFO] running `Command { std: "docker" "inspect" "0c2fc049599783bea72a4a0a7f76c553e42f7252f8a783d3eb0ff6f79bfdc751", kill_on_drop: false }` [INFO] running `Command { std: "docker" "rm" "-f" "0c2fc049599783bea72a4a0a7f76c553e42f7252f8a783d3eb0ff6f79bfdc751", kill_on_drop: false }` [INFO] [stdout] 0c2fc049599783bea72a4a0a7f76c553e42f7252f8a783d3eb0ff6f79bfdc751