[INFO] fetching crate crepe 0.1.8... [INFO] checking crepe-0.1.8 against master#350d0ef0ec0493e6d21cfb265cb8211a0e74d766 for pr-145342-1 [INFO] extracting crate crepe 0.1.8 into /workspace/builds/worker-3-tc1/source [INFO] started tweaking crates.io crate crepe 0.1.8 [INFO] finished tweaking crates.io crate crepe 0.1.8 [INFO] tweaked toml for crates.io crate crepe 0.1.8 written to /workspace/builds/worker-3-tc1/source/Cargo.toml [INFO] validating manifest of crates.io crate crepe 0.1.8 on toolchain 350d0ef0ec0493e6d21cfb265cb8211a0e74d766 [INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+350d0ef0ec0493e6d21cfb265cb8211a0e74d766" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }` [INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+350d0ef0ec0493e6d21cfb265cb8211a0e74d766" "generate-lockfile" "--manifest-path" "Cargo.toml", kill_on_drop: false }` [INFO] [stderr] Updating crates.io index [INFO] [stderr] Locking 97 packages to latest compatible versions [INFO] [stderr] Adding criterion v0.4.0 (available: v0.7.0) [INFO] [stderr] Adding petgraph v0.6.5 (available: v0.8.2) [INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+350d0ef0ec0493e6d21cfb265cb8211a0e74d766" "fetch" "--manifest-path" "Cargo.toml", kill_on_drop: false }` [INFO] [stderr] Blocking waiting for file lock on package cache [INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-3-tc1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-3-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@sha256:7ad1b28ee6f5f7f699f6cf7015098d6ccdd96d6f2d78dd06228f5b4c9faf309c" "/opt/rustwide/cargo-home/bin/cargo" "+350d0ef0ec0493e6d21cfb265cb8211a0e74d766" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }` [INFO] [stdout] 6c07b8b271c5bd3804f76fe7752540ba5b4387c4e3bc0e839cc9cfb5ffbd5ab4 [INFO] running `Command { std: "docker" "start" "-a" "6c07b8b271c5bd3804f76fe7752540ba5b4387c4e3bc0e839cc9cfb5ffbd5ab4", kill_on_drop: false }` [INFO] running `Command { std: "docker" "inspect" "6c07b8b271c5bd3804f76fe7752540ba5b4387c4e3bc0e839cc9cfb5ffbd5ab4", kill_on_drop: false }` [INFO] running `Command { std: "docker" "rm" "-f" "6c07b8b271c5bd3804f76fe7752540ba5b4387c4e3bc0e839cc9cfb5ffbd5ab4", kill_on_drop: false }` [INFO] [stdout] 6c07b8b271c5bd3804f76fe7752540ba5b4387c4e3bc0e839cc9cfb5ffbd5ab4 [INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-3-tc1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-3-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@sha256:7ad1b28ee6f5f7f699f6cf7015098d6ccdd96d6f2d78dd06228f5b4c9faf309c" "/opt/rustwide/cargo-home/bin/cargo" "+350d0ef0ec0493e6d21cfb265cb8211a0e74d766" "check" "--frozen" "--all" "--all-targets" "--message-format=json", kill_on_drop: false }` [INFO] [stdout] 159e39682aba5fc77689e6788e245f26a99b675602fe1233845b3ebaeb081de9 [INFO] running `Command { std: "docker" "start" "-a" "159e39682aba5fc77689e6788e245f26a99b675602fe1233845b3ebaeb081de9", kill_on_drop: false }` [INFO] [stderr] Compiling proc-macro2 v1.0.101 [INFO] [stderr] Compiling unicode-ident v1.0.18 [INFO] [stderr] Compiling serde v1.0.219 [INFO] [stderr] Compiling autocfg v1.5.0 [INFO] [stderr] Compiling version_check v0.9.5 [INFO] [stderr] Compiling crossbeam-utils v0.8.21 [INFO] [stderr] Compiling syn v1.0.109 [INFO] [stderr] Compiling serde_json v1.0.143 [INFO] [stderr] Compiling rayon-core v1.13.0 [INFO] [stderr] Checking memchr v2.7.5 [INFO] [stderr] Checking itoa v1.0.15 [INFO] [stderr] Checking ryu v1.0.20 [INFO] [stderr] Compiling libc v0.2.175 [INFO] [stderr] Checking either v1.15.0 [INFO] [stderr] Checking cfg-if v1.0.3 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[stdout] warning: field `paren_token` is never read [INFO] [stdout] --> src/parse.rs:52:9 [INFO] [stdout] | [INFO] [stdout] 45 | pub struct Relation { [INFO] [stdout] | -------- field in this struct [INFO] [stdout] ... [INFO] [stdout] 52 | pub paren_token: token::Paren, [INFO] [stdout] | ^^^^^^^^^^^ [INFO] [stdout] | [INFO] [stdout] = note: `Relation` has a derived impl for the trait `Clone`, but this is intentionally ignored during dead code analysis [INFO] [stdout] = note: `#[warn(dead_code)]` on by default [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: fields `arrow_token` and `semi_token` are never read [INFO] [stdout] --> src/parse.rs:100:9 [INFO] [stdout] | [INFO] [stdout] 98 | pub struct Rule { [INFO] [stdout] | ---- fields in this struct [INFO] [stdout] 99 | pub goal: Fact, [INFO] [stdout] 100 | pub arrow_token: Token![<-], [INFO] [stdout] | ^^^^^^^^^^^ [INFO] [stdout] 101 | pub clauses: Punctuated, [INFO] [stdout] 102 | pub semi_token: Token![;], [INFO] [stdout] | ^^^^^^^^^^ [INFO] [stdout] | [INFO] [stdout] = note: `Rule` has a derived impl for the trait `Clone`, but this is intentionally ignored during dead code analysis [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: field `paren_token` is never read [INFO] [stdout] --> src/parse.rs:164:9 [INFO] [stdout] | [INFO] [stdout] 161 | pub struct Fact { [INFO] [stdout] | ---- field in this struct [INFO] [stdout] ... [INFO] [stdout] 164 | pub paren_token: token::Paren, [INFO] [stdout] | ^^^^^^^^^^^ [INFO] [stdout] | [INFO] [stdout] = note: `Fact` has a derived impl for the trait `Clone`, but this is intentionally ignored during dead code analysis [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: fields `for_token` and `in_token` are never read [INFO] [stdout] --> src/parse.rs:196:9 [INFO] [stdout] | [INFO] [stdout] 195 | pub struct For { [INFO] [stdout] | --- fields in this struct [INFO] [stdout] 196 | pub for_token: Token![for], [INFO] [stdout] | ^^^^^^^^^ [INFO] [stdout] 197 | pub pat: Pat, [INFO] [stdout] 198 | pub in_token: Token![in], [INFO] [stdout] | ^^^^^^^^ [INFO] [stdout] | [INFO] [stdout] = note: `For` has a derived impl for the trait `Clone`, but this is intentionally ignored during dead code analysis [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: hiding a lifetime that's elided elsewhere is confusing [INFO] [stdout] --> src/strata.rs:43:17 [INFO] [stdout] | [INFO] [stdout] 43 | pub fn iter(&self) -> Iter> { [INFO] [stdout] | ^^^^^ ---------------- the same lifetime is hidden here [INFO] [stdout] | | [INFO] [stdout] | the lifetime is elided here [INFO] [stdout] | [INFO] [stdout] = help: the same lifetime is referred to in inconsistent ways, making the signature confusing [INFO] [stdout] = note: `#[warn(mismatched_lifetime_syntaxes)]` on by default [INFO] [stdout] help: use `'_` for type paths [INFO] [stdout] | [INFO] [stdout] 43 | pub fn iter(&self) -> Iter<'_, Vec> { [INFO] [stdout] | +++ [INFO] [stdout] [INFO] [stdout] [INFO] [stderr] Compiling serde_derive v1.0.219 [INFO] [stdout] warning: field `paren_token` is never read [INFO] [stdout] --> src/parse.rs:52:9 [INFO] [stdout] | [INFO] [stdout] 45 | pub struct Relation { [INFO] [stdout] | -------- field in this struct [INFO] [stdout] ... [INFO] [stdout] 52 | pub paren_token: token::Paren, [INFO] [stdout] | ^^^^^^^^^^^ [INFO] [stdout] | [INFO] [stdout] = note: `Relation` has a derived impl for the trait `Clone`, but this is intentionally ignored during dead code analysis [INFO] [stdout] = note: `#[warn(dead_code)]` on by default [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: fields `arrow_token` and `semi_token` are never read [INFO] [stdout] --> src/parse.rs:100:9 [INFO] [stdout] | [INFO] [stdout] 98 | pub struct Rule { [INFO] [stdout] | ---- fields in this struct [INFO] [stdout] 99 | pub goal: Fact, [INFO] [stdout] 100 | pub arrow_token: Token![<-], [INFO] [stdout] | ^^^^^^^^^^^ [INFO] [stdout] 101 | pub clauses: Punctuated, [INFO] [stdout] 102 | pub semi_token: Token![;], [INFO] [stdout] | ^^^^^^^^^^ [INFO] [stdout] | [INFO] [stdout] = note: `Rule` has a derived impl for the trait `Clone`, but this is intentionally ignored during dead code analysis [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: field `paren_token` is never read [INFO] [stdout] --> src/parse.rs:164:9 [INFO] [stdout] | [INFO] [stdout] 161 | pub struct Fact { [INFO] [stdout] | ---- field in this struct [INFO] [stdout] ... [INFO] [stdout] 164 | pub paren_token: token::Paren, [INFO] [stdout] | ^^^^^^^^^^^ [INFO] [stdout] | [INFO] [stdout] = note: `Fact` has a derived impl for the trait `Clone`, but this is intentionally ignored during dead code analysis [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: fields `for_token` and `in_token` are never read [INFO] [stdout] --> src/parse.rs:196:9 [INFO] [stdout] | [INFO] [stdout] 195 | pub struct For { [INFO] [stdout] | --- fields in this struct [INFO] [stdout] 196 | pub for_token: Token![for], [INFO] [stdout] | ^^^^^^^^^ [INFO] [stdout] 197 | pub pat: Pat, [INFO] [stdout] 198 | pub in_token: Token![in], [INFO] [stdout] | ^^^^^^^^ [INFO] [stdout] | [INFO] [stdout] = note: `For` has a derived impl for the trait `Clone`, but this is intentionally ignored during dead code analysis [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: hiding a lifetime that's elided elsewhere is confusing [INFO] [stdout] --> src/strata.rs:43:17 [INFO] [stdout] | [INFO] [stdout] 43 | pub fn iter(&self) -> Iter> { [INFO] [stdout] | ^^^^^ ---------------- the same lifetime is hidden here [INFO] [stdout] | | [INFO] [stdout] | the lifetime is elided here [INFO] [stdout] | [INFO] [stdout] = help: the same lifetime is referred to in inconsistent ways, making the signature confusing [INFO] [stdout] = note: `#[warn(mismatched_lifetime_syntaxes)]` on by default [INFO] [stdout] help: use `'_` for type paths [INFO] [stdout] | [INFO] [stdout] 43 | pub fn iter(&self) -> Iter<'_, Vec> { [INFO] [stdout] | +++ [INFO] [stdout] [INFO] [stdout] [INFO] [stderr] Checking serde_spanned v1.0.0 [INFO] [stderr] Checking toml_datetime v0.7.0 [INFO] [stderr] Checking ciborium v0.2.2 [INFO] [stderr] Checking toml v0.9.5 [INFO] [stderr] Checking tinytemplate v1.2.1 [INFO] [stderr] Checking trybuild v1.0.110 [INFO] [stderr] Checking criterion v0.4.0 [INFO] [stdout] warning: struct `Borrowed` is never constructed [INFO] [stdout] --> tests/test_parse.rs:21:16 [INFO] [stdout] | [INFO] [stdout] 21 | struct Borrowed<'a>(&'a str); [INFO] [stdout] | ^^^^^^^^ [INFO] [stdout] | [INFO] [stdout] = note: `#[warn(dead_code)]` on by default [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: struct `Edge` is never constructed [INFO] [stdout] --> tests/test_parse.rs:12:27 [INFO] [stdout] | [INFO] [stdout] 12 | pub(crate) struct Edge(pub i32, pub i32); [INFO] [stdout] | ^^^^ [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: struct `Test` is never constructed [INFO] [stdout] --> tests/test_parse.rs:23:16 [INFO] [stdout] | [INFO] [stdout] 23 | struct Test<'a>(&'a i32); [INFO] [stdout] | ^^^^ [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: struct `Unit` is never constructed [INFO] [stdout] --> tests/test_parse.rs:18:16 [INFO] [stdout] | [INFO] [stdout] 18 | struct Unit(); [INFO] [stdout] | ^^^^ [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: struct `Intermediate` is never constructed [INFO] [stdout] --> tests/test_parse.rs:17:16 [INFO] [stdout] | [INFO] [stdout] 17 | struct Intermediate(i32, u64, char); [INFO] [stdout] | ^^^^^^^^^^^^ [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: struct `Tc` is never constructed [INFO] [stdout] --> tests/test_parse.rs:15:16 [INFO] [stdout] | [INFO] [stdout] 15 | struct Tc(i32, i32); [INFO] [stdout] | ^^ [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: struct `Node` is never constructed [INFO] [stdout] --> tests/test_parse.rs:37:16 [INFO] [stdout] | [INFO] [stdout] 37 | struct Node(i32); [INFO] [stdout] | ^^^^ [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: field `paren_token` is never read [INFO] [stdout] --> src/parse.rs:52:9 [INFO] [stdout] | [INFO] [stdout] 45 | pub struct Relation { [INFO] [stdout] | -------- field in this struct [INFO] [stdout] ... [INFO] [stdout] 52 | pub paren_token: token::Paren, [INFO] [stdout] | ^^^^^^^^^^^ [INFO] [stdout] | [INFO] [stdout] = note: `Relation` has a derived impl for the trait `Clone`, but this is intentionally ignored during dead code analysis [INFO] [stdout] = note: `#[warn(dead_code)]` on by default [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: fields `arrow_token` and `semi_token` are never read [INFO] [stdout] --> src/parse.rs:100:9 [INFO] [stdout] | [INFO] [stdout] 98 | pub struct Rule { [INFO] [stdout] | ---- fields in this struct [INFO] [stdout] 99 | pub goal: Fact, [INFO] [stdout] 100 | pub arrow_token: Token![<-], [INFO] [stdout] | ^^^^^^^^^^^ [INFO] [stdout] 101 | pub clauses: Punctuated, [INFO] [stdout] 102 | pub semi_token: Token![;], [INFO] [stdout] | ^^^^^^^^^^ [INFO] [stdout] | [INFO] [stdout] = note: `Rule` has a derived impl for the trait `Clone`, but this is intentionally ignored during dead code analysis [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: field `paren_token` is never read [INFO] [stdout] --> src/parse.rs:164:9 [INFO] [stdout] | [INFO] [stdout] 161 | pub struct Fact { [INFO] [stdout] | ---- field in this struct [INFO] [stdout] ... [INFO] [stdout] 164 | pub paren_token: token::Paren, [INFO] [stdout] | ^^^^^^^^^^^ [INFO] [stdout] | [INFO] [stdout] = note: `Fact` has a derived impl for the trait `Clone`, but this is intentionally ignored during dead code analysis [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: fields `for_token` and `in_token` are never read [INFO] [stdout] --> src/parse.rs:196:9 [INFO] [stdout] | [INFO] [stdout] 195 | pub struct For { [INFO] [stdout] | --- fields in this struct [INFO] [stdout] 196 | pub for_token: Token![for], [INFO] [stdout] | ^^^^^^^^^ [INFO] [stdout] 197 | pub pat: Pat, [INFO] [stdout] 198 | pub in_token: Token![in], [INFO] [stdout] | ^^^^^^^^ [INFO] [stdout] | [INFO] [stdout] = note: `For` has a derived impl for the trait `Clone`, but this is intentionally ignored during dead code analysis [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: hiding a lifetime that's elided elsewhere is confusing [INFO] [stdout] --> src/strata.rs:43:17 [INFO] [stdout] | [INFO] [stdout] 43 | pub fn iter(&self) -> Iter> { [INFO] [stdout] | ^^^^^ ---------------- the same lifetime is hidden here [INFO] [stdout] | | [INFO] [stdout] | the lifetime is elided here [INFO] [stdout] | [INFO] [stdout] = help: the same lifetime is referred to in inconsistent ways, making the signature confusing [INFO] [stdout] = note: `#[warn(mismatched_lifetime_syntaxes)]` on by default [INFO] [stdout] help: use `'_` for type paths [INFO] [stdout] | [INFO] [stdout] 43 | pub fn iter(&self) -> Iter<'_, Vec> { [INFO] [stdout] | +++ [INFO] [stdout] [INFO] [stdout] [INFO] [stderr] Finished `dev` profile [unoptimized + debuginfo] target(s) in 27.41s [INFO] running `Command { std: "docker" "inspect" "159e39682aba5fc77689e6788e245f26a99b675602fe1233845b3ebaeb081de9", kill_on_drop: false }` [INFO] running `Command { std: "docker" "rm" "-f" "159e39682aba5fc77689e6788e245f26a99b675602fe1233845b3ebaeb081de9", kill_on_drop: false }` [INFO] [stdout] 159e39682aba5fc77689e6788e245f26a99b675602fe1233845b3ebaeb081de9