[INFO] fetching crate polly 0.1.2... [INFO] checking polly-0.1.2 against beta for pr-78714 [INFO] extracting crate polly 0.1.2 into /workspace/builds/worker-4/source [INFO] validating manifest of crates.io crate polly 0.1.2 on toolchain beta [INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+beta" "read-manifest" "--manifest-path" "Cargo.toml", kill_on_drop: false }` [INFO] started tweaking crates.io crate polly 0.1.2 [INFO] finished tweaking crates.io crate polly 0.1.2 [INFO] tweaked toml for crates.io crate polly 0.1.2 written to /workspace/builds/worker-4/source/Cargo.toml [INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+beta" "generate-lockfile" "--manifest-path" "Cargo.toml" "-Zno-index-update", kill_on_drop: false }` [INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+beta" "fetch" "--locked" "--manifest-path" "Cargo.toml", kill_on_drop: false }` [INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-4/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-4/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" "rustops/crates-build-env@sha256:d92eaeed33fa75130ca1ee6c8a01d1ffb62bac859dfdfb3450e3e5d1c0146529" "/opt/rustwide/cargo-home/bin/cargo" "+beta" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }` [INFO] [stderr] WARNING: Your kernel does not support swap limit capabilities or the cgroup is not mounted. Memory limited without swap. [INFO] [stdout] 89ac26a6c1f32bfe4a20aeba4b514af9a43d1f5c8e268285c0d77fdab2524a40 [INFO] running `Command { std: "docker" "start" "-a" "89ac26a6c1f32bfe4a20aeba4b514af9a43d1f5c8e268285c0d77fdab2524a40", kill_on_drop: false }` [INFO] running `Command { std: "docker" "inspect" "89ac26a6c1f32bfe4a20aeba4b514af9a43d1f5c8e268285c0d77fdab2524a40", kill_on_drop: false }` [INFO] running `Command { std: "docker" "rm" "-f" "89ac26a6c1f32bfe4a20aeba4b514af9a43d1f5c8e268285c0d77fdab2524a40", kill_on_drop: false }` [INFO] [stdout] 89ac26a6c1f32bfe4a20aeba4b514af9a43d1f5c8e268285c0d77fdab2524a40 [INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-4/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-4/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" "CARGO_HOME=/opt/rustwide/cargo-home" "-e" "RUSTUP_HOME=/opt/rustwide/rustup-home" "-w" "/opt/rustwide/workdir" "-m" "1610612736" "--user" "0:0" "--network" "none" "rustops/crates-build-env@sha256:d92eaeed33fa75130ca1ee6c8a01d1ffb62bac859dfdfb3450e3e5d1c0146529" "/opt/rustwide/cargo-home/bin/cargo" "+beta" "check" "--frozen" "--all" "--all-targets" "--message-format=json", kill_on_drop: false }` [INFO] [stdout] bca37d82dc027f8eb51aac609bd3c2b56050dfeafe642ea62a89e0f42f4e9a19 [INFO] [stderr] WARNING: Your kernel does not support swap limit capabilities or the cgroup is not mounted. Memory limited without swap. [INFO] running `Command { std: "docker" "start" "-a" "bca37d82dc027f8eb51aac609bd3c2b56050dfeafe642ea62a89e0f42f4e9a19", kill_on_drop: false }` [INFO] [stderr] Checking num-complex v0.1.43 [INFO] [stderr] Checking num-bigint v0.1.44 [INFO] [stderr] Checking clap v2.33.3 [INFO] [stderr] Checking num-rational v0.1.42 [INFO] [stderr] Checking num v0.1.42 [INFO] [stderr] Checking serde v0.6.15 [INFO] [stderr] Checking serde_json v0.6.1 [INFO] [stderr] Checking polly v0.1.2 (/opt/rustwide/workdir) [INFO] [stdout] warning: unused `#[macro_use]` import [INFO] [stdout] --> src/lib.rs:6:1 [INFO] [stdout] | [INFO] [stdout] 6 | #[macro_use] [INFO] [stdout] | ^^^^^^^^^^^^ [INFO] [stdout] | [INFO] [stdout] = note: `#[warn(unused_imports)]` on by default [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: unnecessary parentheses around function argument [INFO] [stdout] --> src/compiler/parser.rs:189:60 [INFO] [stdout] | [INFO] [stdout] 189 | ... return Ok(CompCall((ComponentCall::from_component(component)))); [INFO] [stdout] | ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^ help: remove these parentheses [INFO] [stdout] | [INFO] [stdout] = note: `#[warn(unused_parens)]` on by default [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: unused label [INFO] [stdout] --> src/compiler/parser.rs:224:9 [INFO] [stdout] | [INFO] [stdout] 224 | 'element: while let Some(token) = self.take() { [INFO] [stdout] | ^^^^^^^^ [INFO] [stdout] | [INFO] [stdout] = note: `#[warn(unused_labels)]` on by default [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: the item `Value` is imported redundantly [INFO] [stdout] --> src/compiler/codegen.rs:335:9 [INFO] [stdout] | [INFO] [stdout] 9 | use serde_json::Value; [INFO] [stdout] | ----------------- the item `Value` is already imported here [INFO] [stdout] ... [INFO] [stdout] 335 | use serde_json::Value; [INFO] [stdout] | ^^^^^^^^^^^^^^^^^ [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: trait objects without an explicit `dyn` are deprecated [INFO] [stdout] --> src/template.rs:14:24 [INFO] [stdout] | [INFO] [stdout] 14 | pub type PollyFn = Box, &Rc>) [INFO] [stdout] | ________________________^ [INFO] [stdout] 15 | | -> Result>; [INFO] [stdout] | |___________________________________________________^ [INFO] [stdout] | [INFO] [stdout] = note: `#[warn(bare_trait_objects)]` on by default [INFO] [stdout] help: use `dyn` [INFO] [stdout] | [INFO] [stdout] 14 | pub type PollyFn = Box, &Rc>) [INFO] [stdout] 15 | -> Result>; [INFO] [stdout] | [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: the item `Value` is imported redundantly [INFO] [stdout] --> src/template.rs:162:9 [INFO] [stdout] | [INFO] [stdout] 9 | use serde_json::Value; [INFO] [stdout] | ----------------- the item `Value` is already imported here [INFO] [stdout] ... [INFO] [stdout] 162 | use serde_json::Value; [INFO] [stdout] | ^^^^^^^^^^^^^^^^^ [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: unused `#[macro_use]` import [INFO] [stdout] --> src/lib.rs:6:1 [INFO] [stdout] | [INFO] [stdout] 6 | #[macro_use] [INFO] [stdout] | ^^^^^^^^^^^^ [INFO] [stdout] | [INFO] [stdout] = note: `#[warn(unused_imports)]` on by default [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: unnecessary parentheses around function argument [INFO] [stdout] --> src/compiler/parser.rs:189:60 [INFO] [stdout] | [INFO] [stdout] 189 | ... return Ok(CompCall((ComponentCall::from_component(component)))); [INFO] [stdout] | ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^ help: remove these parentheses [INFO] [stdout] | [INFO] [stdout] = note: `#[warn(unused_parens)]` on by default [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: unused label [INFO] [stdout] --> src/compiler/parser.rs:224:9 [INFO] [stdout] | [INFO] [stdout] 224 | 'element: while let Some(token) = self.take() { [INFO] [stdout] | ^^^^^^^^ [INFO] [stdout] | [INFO] [stdout] = note: `#[warn(unused_labels)]` on by default [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: the item `Value` is imported redundantly [INFO] [stdout] --> src/compiler/codegen.rs:335:9 [INFO] [stdout] | [INFO] [stdout] 9 | use serde_json::Value; [INFO] [stdout] | ----------------- the item `Value` is already imported here [INFO] [stdout] ... [INFO] [stdout] 335 | use serde_json::Value; [INFO] [stdout] | ^^^^^^^^^^^^^^^^^ [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: trait objects without an explicit `dyn` are deprecated [INFO] [stdout] --> src/template.rs:14:24 [INFO] [stdout] | [INFO] [stdout] 14 | pub type PollyFn = Box, &Rc>) [INFO] [stdout] | ________________________^ [INFO] [stdout] 15 | | -> Result>; [INFO] [stdout] | |___________________________________________________^ [INFO] [stdout] | [INFO] [stdout] = note: `#[warn(bare_trait_objects)]` on by default [INFO] [stdout] help: use `dyn` [INFO] [stdout] | [INFO] [stdout] 14 | pub type PollyFn = Box, &Rc>) [INFO] [stdout] 15 | -> Result>; [INFO] [stdout] | [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: the item `Value` is imported redundantly [INFO] [stdout] --> src/template.rs:162:9 [INFO] [stdout] | [INFO] [stdout] 9 | use serde_json::Value; [INFO] [stdout] | ----------------- the item `Value` is already imported here [INFO] [stdout] ... [INFO] [stdout] 162 | use serde_json::Value; [INFO] [stdout] | ^^^^^^^^^^^^^^^^^ [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: unreachable expression [INFO] [stdout] --> src/compiler/parser.rs:275:49 [INFO] [stdout] | [INFO] [stdout] 15 | return Err(UnexpectedEof($token)); [INFO] [stdout] | --------------------------------- any code following this expression is unreachable [INFO] [stdout] ... [INFO] [stdout] 275 | return unexpected_eof!(Symbol(index, Equals)); [INFO] [stdout] | ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^ unreachable expression [INFO] [stdout] | [INFO] [stdout] = note: `#[warn(unreachable_code)]` on by default [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: unreachable expression [INFO] [stdout] --> src/compiler/parser.rs:285:45 [INFO] [stdout] | [INFO] [stdout] 15 | return Err(UnexpectedEof($token)); [INFO] [stdout] | --------------------------------- any code following this expression is unreachable [INFO] [stdout] ... [INFO] [stdout] 285 | None => return unexpected_eof!(Word(index, key)), [INFO] [stdout] | ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^ unreachable expression [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: use of deprecated associated function `std::error::Error::description`: use the Display impl or to_string() [INFO] [stdout] --> src/compiler/codegen.rs:293:42 [INFO] [stdout] | [INFO] [stdout] 293 | AstError(ref error) => error.description(), [INFO] [stdout] | ^^^^^^^^^^^ [INFO] [stdout] | [INFO] [stdout] = note: `#[warn(deprecated)]` on by default [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: use of deprecated associated function `std::error::Error::description`: use the Display impl or to_string() [INFO] [stdout] --> src/compiler/codegen.rs:297:47 [INFO] [stdout] | [INFO] [stdout] 297 | FromUtf8Error(ref error) => error.description(), [INFO] [stdout] | ^^^^^^^^^^^ [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: use of deprecated associated function `std::error::Error::description`: use the Display impl or to_string() [INFO] [stdout] --> src/compiler/codegen.rs:299:41 [INFO] [stdout] | [INFO] [stdout] 299 | IoError(ref error) => error.description(), [INFO] [stdout] | ^^^^^^^^^^^ [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: use of deprecated associated function `std::error::Error::description`: use the Display impl or to_string() [INFO] [stdout] --> src/compiler/codegen.rs:315:71 [INFO] [stdout] | [INFO] [stdout] 315 | CompPassedToComp(ref name) => format!("{} NAME: {}", self.description(), name), [INFO] [stdout] | ^^^^^^^^^^^ [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: use of deprecated associated function `std::error::Error::description`: use the Display impl or to_string() [INFO] [stdout] --> src/compiler/codegen.rs:317:70 [INFO] [stdout] | [INFO] [stdout] 317 | FunctionError(ref error) => format!("{} ERROR: {}", self.description(), error), [INFO] [stdout] | ^^^^^^^^^^^ [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: use of deprecated associated function `std::error::Error::description`: use the Display impl or to_string() [INFO] [stdout] --> src/compiler/codegen.rs:320:45 [INFO] [stdout] | [INFO] [stdout] 320 | format!("{} NAME: {}", self.description(), name) [INFO] [stdout] | ^^^^^^^^^^^ [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: use of deprecated associated function `std::error::Error::description`: use the Display impl or to_string() [INFO] [stdout] --> src/compiler/codegen.rs:324:30 [INFO] [stdout] | [INFO] [stdout] 324 | self.description(), [INFO] [stdout] | ^^^^^^^^^^^ [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: use of deprecated associated function `std::error::Error::description`: use the Display impl or to_string() [INFO] [stdout] --> src/compiler/tokens/ast.rs:101:48 [INFO] [stdout] | [INFO] [stdout] 101 | Eof => return write!(f, "{}", self.description()), [INFO] [stdout] | ^^^^^^^^^^^ [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: use of deprecated associated function `std::error::Error::description`: use the Display impl or to_string() [INFO] [stdout] --> src/compiler/tokens/ast.rs:113:45 [INFO] [stdout] | [INFO] [stdout] 113 | return write!(f, "{}", self.description()) [INFO] [stdout] | ^^^^^^^^^^^ [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: use of deprecated associated function `std::error::Error::description`: use the Display impl or to_string() [INFO] [stdout] --> src/compiler/tokens/ast.rs:117:39 [INFO] [stdout] | [INFO] [stdout] 117 | write!(f, "{}, Got: {}", self.description(), lexeme) [INFO] [stdout] | ^^^^^^^^^^^ [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: unreachable expression [INFO] [stdout] --> src/compiler/parser.rs:275:49 [INFO] [stdout] | [INFO] [stdout] 15 | return Err(UnexpectedEof($token)); [INFO] [stdout] | --------------------------------- any code following this expression is unreachable [INFO] [stdout] ... [INFO] [stdout] 275 | return unexpected_eof!(Symbol(index, Equals)); [INFO] [stdout] | ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^ unreachable expression [INFO] [stdout] | [INFO] [stdout] = note: `#[warn(unreachable_code)]` on by default [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: unreachable expression [INFO] [stdout] --> src/compiler/parser.rs:285:45 [INFO] [stdout] | [INFO] [stdout] 15 | return Err(UnexpectedEof($token)); [INFO] [stdout] | --------------------------------- any code following this expression is unreachable [INFO] [stdout] ... [INFO] [stdout] 285 | None => return unexpected_eof!(Word(index, key)), [INFO] [stdout] | ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^ unreachable expression [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: use of deprecated associated function `std::error::Error::description`: use the Display impl or to_string() [INFO] [stdout] --> src/compiler/codegen.rs:293:42 [INFO] [stdout] | [INFO] [stdout] 293 | AstError(ref error) => error.description(), [INFO] [stdout] | ^^^^^^^^^^^ [INFO] [stdout] | [INFO] [stdout] = note: `#[warn(deprecated)]` on by default [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: use of deprecated associated function `std::error::Error::description`: use the Display impl or to_string() [INFO] [stdout] --> src/compiler/codegen.rs:297:47 [INFO] [stdout] | [INFO] [stdout] 297 | FromUtf8Error(ref error) => error.description(), [INFO] [stdout] | ^^^^^^^^^^^ [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: use of deprecated associated function `std::error::Error::description`: use the Display impl or to_string() [INFO] [stdout] --> src/compiler/codegen.rs:299:41 [INFO] [stdout] | [INFO] [stdout] 299 | IoError(ref error) => error.description(), [INFO] [stdout] | ^^^^^^^^^^^ [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: use of deprecated associated function `std::error::Error::description`: use the Display impl or to_string() [INFO] [stdout] --> src/compiler/codegen.rs:315:71 [INFO] [stdout] | [INFO] [stdout] 315 | CompPassedToComp(ref name) => format!("{} NAME: {}", self.description(), name), [INFO] [stdout] | ^^^^^^^^^^^ [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: use of deprecated associated function `std::error::Error::description`: use the Display impl or to_string() [INFO] [stdout] --> src/compiler/codegen.rs:317:70 [INFO] [stdout] | [INFO] [stdout] 317 | FunctionError(ref error) => format!("{} ERROR: {}", self.description(), error), [INFO] [stdout] | ^^^^^^^^^^^ [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: use of deprecated associated function `std::error::Error::description`: use the Display impl or to_string() [INFO] [stdout] --> src/compiler/codegen.rs:320:45 [INFO] [stdout] | [INFO] [stdout] 320 | format!("{} NAME: {}", self.description(), name) [INFO] [stdout] | ^^^^^^^^^^^ [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: use of deprecated associated function `std::error::Error::description`: use the Display impl or to_string() [INFO] [stdout] --> src/compiler/codegen.rs:324:30 [INFO] [stdout] | [INFO] [stdout] 324 | self.description(), [INFO] [stdout] | ^^^^^^^^^^^ [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: use of deprecated associated function `std::error::Error::description`: use the Display impl or to_string() [INFO] [stdout] --> src/compiler/tokens/ast.rs:101:48 [INFO] [stdout] | [INFO] [stdout] 101 | Eof => return write!(f, "{}", self.description()), [INFO] [stdout] | ^^^^^^^^^^^ [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: use of deprecated associated function `std::error::Error::description`: use the Display impl or to_string() [INFO] [stdout] --> src/compiler/tokens/ast.rs:113:45 [INFO] [stdout] | [INFO] [stdout] 113 | return write!(f, "{}", self.description()) [INFO] [stdout] | ^^^^^^^^^^^ [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: use of deprecated associated function `std::error::Error::description`: use the Display impl or to_string() [INFO] [stdout] --> src/compiler/tokens/ast.rs:117:39 [INFO] [stdout] | [INFO] [stdout] 117 | write!(f, "{}, Got: {}", self.description(), lexeme) [INFO] [stdout] | ^^^^^^^^^^^ [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: 18 warnings emitted [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: 18 warnings emitted [INFO] [stdout] [INFO] [stdout] [INFO] [stderr] Finished dev [unoptimized + debuginfo] target(s) in 9.11s [INFO] running `Command { std: "docker" "inspect" "bca37d82dc027f8eb51aac609bd3c2b56050dfeafe642ea62a89e0f42f4e9a19", kill_on_drop: false }` [INFO] running `Command { std: "docker" "rm" "-f" "bca37d82dc027f8eb51aac609bd3c2b56050dfeafe642ea62a89e0f42f4e9a19", kill_on_drop: false }` [INFO] [stdout] bca37d82dc027f8eb51aac609bd3c2b56050dfeafe642ea62a89e0f42f4e9a19