[INFO] fetching crate rls-analysis 0.18.3... [INFO] checking rls-analysis-0.18.3 against master#385fa9d845dd326c6bbfd58c22244215e431948a for absurd-question-mark-desugar [INFO] extracting crate rls-analysis 0.18.3 into /workspace/builds/worker-1-tc1/source [INFO] validating manifest of crates.io crate rls-analysis 0.18.3 on toolchain 385fa9d845dd326c6bbfd58c22244215e431948a [INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+385fa9d845dd326c6bbfd58c22244215e431948a" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }` [INFO] started tweaking crates.io crate rls-analysis 0.18.3 [INFO] finished tweaking crates.io crate rls-analysis 0.18.3 [INFO] tweaked toml for crates.io crate rls-analysis 0.18.3 written to /workspace/builds/worker-1-tc1/source/Cargo.toml [INFO] crate crates.io crate rls-analysis 0.18.3 already has a lockfile, it will not be regenerated [INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+385fa9d845dd326c6bbfd58c22244215e431948a" "fetch" "--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] Blocking waiting for file lock on package cache [INFO] [stderr] Downloading crates ... [INFO] [stderr] Downloaded syn v1.0.18 [INFO] [stderr] Downloaded derive-new v0.5.8 [INFO] [stderr] Downloaded itoa v0.4.5 [INFO] [stderr] Downloaded ryu v1.0.4 [INFO] [stderr] Downloaded serde_json v1.0.51 [INFO] [stderr] Downloaded regex v1.3.7 [INFO] [stderr] Downloaded fst v0.4.7 [INFO] [stderr] Downloaded rls-span v0.5.2 [INFO] [stderr] Downloaded rls-data v0.19.0 [INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-1-tc1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-1-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" "+385fa9d845dd326c6bbfd58c22244215e431948a" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }` [INFO] [stdout] 297e818a60c6800d0b11b781815dd998d350f1ff60033faa2b45f157c24bd9ec [INFO] running `Command { std: "docker" "start" "-a" "297e818a60c6800d0b11b781815dd998d350f1ff60033faa2b45f157c24bd9ec", kill_on_drop: false }` [INFO] running `Command { std: "docker" "inspect" "297e818a60c6800d0b11b781815dd998d350f1ff60033faa2b45f157c24bd9ec", kill_on_drop: false }` [INFO] running `Command { std: "docker" "rm" "-f" "297e818a60c6800d0b11b781815dd998d350f1ff60033faa2b45f157c24bd9ec", kill_on_drop: false }` [INFO] [stdout] 297e818a60c6800d0b11b781815dd998d350f1ff60033faa2b45f157c24bd9ec [INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-1-tc1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-1-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" "+385fa9d845dd326c6bbfd58c22244215e431948a" "check" "--frozen" "--all" "--all-targets" "--message-format=json", kill_on_drop: false }` [INFO] [stdout] 8271192706c7964659767aabf1514252c5db88d908f3c3819f116e5a329420cd [INFO] running `Command { std: "docker" "start" "-a" "8271192706c7964659767aabf1514252c5db88d908f3c3819f116e5a329420cd", kill_on_drop: false }` [INFO] [stderr] Compiling proc-macro2 v1.0.10 [INFO] [stderr] Compiling serde v1.0.106 [INFO] [stderr] Compiling syn v1.0.18 [INFO] [stderr] Compiling libc v0.2.69 [INFO] [stderr] Compiling ryu v1.0.4 [INFO] [stderr] Compiling fst v0.4.7 [INFO] [stderr] Checking itoa v0.4.5 [INFO] [stderr] Checking regex-syntax v0.6.17 [INFO] [stderr] Checking humantime v2.1.0 [INFO] [stderr] Checking json v0.12.4 [INFO] [stderr] Checking itertools v0.10.3 [INFO] [stderr] Checking atty v0.2.14 [INFO] [stderr] Compiling quote v1.0.3 [INFO] [stderr] Checking regex v1.3.7 [INFO] [stderr] Checking env_logger v0.9.0 [INFO] [stderr] Compiling derive-new v0.5.8 [INFO] [stderr] Checking rls-span v0.5.2 [INFO] [stderr] Checking serde_json v1.0.51 [INFO] [stderr] Checking rls-data v0.19.0 [INFO] [stderr] Checking rls-analysis v0.18.3 (/opt/rustwide/workdir) [INFO] [stdout] warning: the item `fst` is imported redundantly [INFO] [stdout] --> src/analysis.rs:1:5 [INFO] [stdout] | [INFO] [stdout] 1 | use fst; [INFO] [stdout] | ^^^ the item `fst` is already defined by prelude [INFO] [stdout] | [INFO] [stdout] = note: `#[warn(unused_imports)]` on by default [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: the item `Path` is imported redundantly [INFO] [stdout] --> src/loader.rs:156:9 [INFO] [stdout] | [INFO] [stdout] 155 | use super::*; [INFO] [stdout] | -------- the item `Path` is already imported here [INFO] [stdout] 156 | use std::path::Path; [INFO] [stdout] | ^^^^^^^^^^^^^^^ [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: the item `Extend` is imported redundantly [INFO] [stdout] --> src/lowering.rs:14:5 [INFO] [stdout] | [INFO] [stdout] 14 | use std::iter::Extend; [INFO] [stdout] | ^^^^^^^^^^^^^^^^^ [INFO] [stdout] --> /rustc/385fa9d845dd326c6bbfd58c22244215e431948a/library/std/src/prelude/mod.rs:134:13 [INFO] [stdout] | [INFO] [stdout] = note: the item `Extend` is already defined here [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: the item `fst` is imported redundantly [INFO] [stdout] --> src/lowering.rs:19:5 [INFO] [stdout] | [INFO] [stdout] 19 | use fst; [INFO] [stdout] | ^^^ the item `fst` is already defined by prelude [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: unused imports: `SigElement`, `Signature` [INFO] [stdout] --> src/raw.rs:5:5 [INFO] [stdout] | [INFO] [stdout] 5 | SigElement, Signature, SpanData, [INFO] [stdout] | ^^^^^^^^^^ ^^^^^^^^^ [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: the item `fst` is imported redundantly [INFO] [stdout] --> src/analysis.rs:1:5 [INFO] [stdout] | [INFO] [stdout] 1 | use fst; [INFO] [stdout] | ^^^ the item `fst` is already defined by prelude [INFO] [stdout] | [INFO] [stdout] = note: `#[warn(unused_imports)]` on by default [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: the item `Extend` is imported redundantly [INFO] [stdout] --> src/lowering.rs:14:5 [INFO] [stdout] | [INFO] [stdout] 14 | use std::iter::Extend; [INFO] [stdout] | ^^^^^^^^^^^^^^^^^ [INFO] [stdout] --> /rustc/385fa9d845dd326c6bbfd58c22244215e431948a/library/std/src/prelude/mod.rs:134:13 [INFO] [stdout] | [INFO] [stdout] = note: the item `Extend` is already defined here [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: the item `fst` is imported redundantly [INFO] [stdout] --> src/lowering.rs:19:5 [INFO] [stdout] | [INFO] [stdout] 19 | use fst; [INFO] [stdout] | ^^^ the item `fst` is already defined by prelude [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: unused imports: `SigElement`, `Signature` [INFO] [stdout] --> src/raw.rs:5:5 [INFO] [stdout] | [INFO] [stdout] 5 | SigElement, Signature, SpanData, [INFO] [stdout] | ^^^^^^^^^^ ^^^^^^^^^ [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: the item `fst` is imported redundantly [INFO] [stdout] --> src/symbol_query.rs:1:11 [INFO] [stdout] | [INFO] [stdout] 1 | use fst::{self, Streamer}; [INFO] [stdout] | ^^^^ the item `fst` is already defined by prelude [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: field `idents` is never read [INFO] [stdout] --> src/analysis.rs:51:9 [INFO] [stdout] | [INFO] [stdout] 34 | pub struct PerCrateAnalysis { [INFO] [stdout] | ---------------- field in this struct [INFO] [stdout] ... [INFO] [stdout] 51 | pub idents: HashMap, [INFO] [stdout] | ^^^^^^ [INFO] [stdout] | [INFO] [stdout] = note: `#[warn(dead_code)]` on by default [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: fields `column_end`, `id`, and `kind` are never read [INFO] [stdout] --> src/analysis.rs:117:9 [INFO] [stdout] | [INFO] [stdout] 116 | pub struct IdentBound { [INFO] [stdout] | ---------- fields in this struct [INFO] [stdout] 117 | pub column_end: Column, [INFO] [stdout] | ^^^^^^^^^^ [INFO] [stdout] 118 | pub id: Id, [INFO] [stdout] | ^^ [INFO] [stdout] 119 | pub kind: IdentKind, [INFO] [stdout] | ^^^^ [INFO] [stdout] | [INFO] [stdout] = note: `IdentBound` has derived impls for the traits `Debug` and `Clone`, but these are intentionally ignored during dead code analysis [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: struct `Signature` is never constructed [INFO] [stdout] --> src/analysis.rs:140:12 [INFO] [stdout] | [INFO] [stdout] 140 | pub struct Signature { [INFO] [stdout] | ^^^^^^^^^ [INFO] [stdout] | [INFO] [stdout] = note: `Signature` has derived impls for the traits `Clone` and `Debug`, but these are intentionally ignored during dead code analysis [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: struct `SigElement` is never constructed [INFO] [stdout] --> src/analysis.rs:150:12 [INFO] [stdout] | [INFO] [stdout] 150 | pub struct SigElement { [INFO] [stdout] | ^^^^^^^^^^ [INFO] [stdout] | [INFO] [stdout] = note: `SigElement` has derived impls for the traits `Clone` and `Debug`, but these are intentionally ignored during dead code analysis [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: field `path` is never read [INFO] [stdout] --> src/listings/mod.rs:7:9 [INFO] [stdout] | [INFO] [stdout] 6 | pub struct DirectoryListing { [INFO] [stdout] | ---------------- field in this struct [INFO] [stdout] 7 | pub path: Vec, [INFO] [stdout] | ^^^^ [INFO] [stdout] | [INFO] [stdout] = note: `DirectoryListing` has derived impls for the traits `Clone` and `Debug`, but these are intentionally ignored during dead code analysis [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: 10 warnings emitted [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: field `idents` is never read [INFO] [stdout] --> src/analysis.rs:51:9 [INFO] [stdout] | [INFO] [stdout] 34 | pub struct PerCrateAnalysis { [INFO] [stdout] | ---------------- field in this struct [INFO] [stdout] ... [INFO] [stdout] 51 | pub idents: HashMap, [INFO] [stdout] | ^^^^^^ [INFO] [stdout] | [INFO] [stdout] = note: `#[warn(dead_code)]` on by default [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: fields `column_end`, `id`, and `kind` are never read [INFO] [stdout] --> src/analysis.rs:117:9 [INFO] [stdout] | [INFO] [stdout] 116 | pub struct IdentBound { [INFO] [stdout] | ---------- fields in this struct [INFO] [stdout] 117 | pub column_end: Column, [INFO] [stdout] | ^^^^^^^^^^ [INFO] [stdout] 118 | pub id: Id, [INFO] [stdout] | ^^ [INFO] [stdout] 119 | pub kind: IdentKind, [INFO] [stdout] | ^^^^ [INFO] [stdout] | [INFO] [stdout] = note: `IdentBound` has derived impls for the traits `Debug` and `Clone`, but these are intentionally ignored during dead code analysis [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: struct `Signature` is never constructed [INFO] [stdout] --> src/analysis.rs:140:12 [INFO] [stdout] | [INFO] [stdout] 140 | pub struct Signature { [INFO] [stdout] | ^^^^^^^^^ [INFO] [stdout] | [INFO] [stdout] = note: `Signature` has derived impls for the traits `Clone` and `Debug`, but these are intentionally ignored during dead code analysis [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: struct `SigElement` is never constructed [INFO] [stdout] --> src/analysis.rs:150:12 [INFO] [stdout] | [INFO] [stdout] 150 | pub struct SigElement { [INFO] [stdout] | ^^^^^^^^^^ [INFO] [stdout] | [INFO] [stdout] = note: `SigElement` has derived impls for the traits `Clone` and `Debug`, but these are intentionally ignored during dead code analysis [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: field `path` is never read [INFO] [stdout] --> src/listings/mod.rs:7:9 [INFO] [stdout] | [INFO] [stdout] 6 | pub struct DirectoryListing { [INFO] [stdout] | ---------------- field in this struct [INFO] [stdout] 7 | pub path: Vec, [INFO] [stdout] | ^^^^ [INFO] [stdout] | [INFO] [stdout] = note: `DirectoryListing` has derived impls for the traits `Clone` and `Debug`, but these are intentionally ignored during dead code analysis [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: 10 warnings emitted [INFO] [stdout] [INFO] [stdout] [INFO] [stderr] Finished `dev` profile [unoptimized + debuginfo] target(s) in 6.98s [INFO] running `Command { std: "docker" "inspect" "8271192706c7964659767aabf1514252c5db88d908f3c3819f116e5a329420cd", kill_on_drop: false }` [INFO] running `Command { std: "docker" "rm" "-f" "8271192706c7964659767aabf1514252c5db88d908f3c3819f116e5a329420cd", kill_on_drop: false }` [INFO] [stdout] 8271192706c7964659767aabf1514252c5db88d908f3c3819f116e5a329420cd