[INFO] fetching crate perplex 0.4.1... [INFO] checking perplex-0.4.1 against master#ab869e094a907cc5d19b4080f22eccaf347f1f95 for pr-129604 [INFO] extracting crate perplex 0.4.1 into /workspace/builds/worker-3-tc1/source [INFO] validating manifest of crates.io crate perplex 0.4.1 on toolchain ab869e094a907cc5d19b4080f22eccaf347f1f95 [INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+ab869e094a907cc5d19b4080f22eccaf347f1f95" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }` [INFO] started tweaking crates.io crate perplex 0.4.1 [INFO] finished tweaking crates.io crate perplex 0.4.1 [INFO] tweaked toml for crates.io crate perplex 0.4.1 written to /workspace/builds/worker-3-tc1/source/Cargo.toml [INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+ab869e094a907cc5d19b4080f22eccaf347f1f95" "generate-lockfile" "--manifest-path" "Cargo.toml", kill_on_drop: false }` [INFO] [stderr] Updating crates.io index [INFO] [stderr] Locking 65 packages to latest compatible versions [INFO] [stderr] Adding atty v0.2.11 (latest: v0.2.14) [INFO] [stderr] Adding bit-set v0.5.3 (latest: v0.8.0) [INFO] [stderr] Adding bit-vec v0.6.3 (latest: v0.8.0) [INFO] [stderr] Adding bitflags v1.3.2 (latest: v2.6.0) [INFO] [stderr] Adding clap v2.34.0 (latest: v4.5.16) [INFO] [stderr] Adding hashbrown v0.12.3 (latest: v0.14.5) [INFO] [stderr] Adding indexmap v1.9.3 (latest: v2.5.0) [INFO] [stderr] Adding lazy_static v0.2.11 (latest: v1.5.0) [INFO] [stderr] Adding memmap v0.6.2 (latest: v0.7.0) [INFO] [stderr] Adding numtoa v0.1.0 (latest: v0.2.4) [INFO] [stderr] Adding redox_syscall v0.2.16 (latest: v0.5.3) [INFO] [stderr] Adding stderrlog v0.4.3 (latest: v0.6.0) [INFO] [stderr] Adding strsim v0.8.0 (latest: v0.11.1) [INFO] [stderr] Adding termion v1.5.6 (latest: v4.0.2) [INFO] [stderr] Adding textwrap v0.11.0 (latest: v0.16.1) [INFO] [stderr] Adding thread_local v0.3.4 (latest: v1.1.8) [INFO] [stderr] Adding windows-core v0.52.0 (latest: v0.58.0) [INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+ab869e094a907cc5d19b4080f22eccaf347f1f95" "fetch" "--manifest-path" "Cargo.toml", kill_on_drop: false }` [INFO] [stderr] warning: no edition set: defaulting to the 2015 edition while the latest is 2021 [INFO] [stderr] Downloading crates ... [INFO] [stderr] Downloaded perplex-runtime v0.1.1 [INFO] [stderr] Downloaded stderrlog v0.4.3 [INFO] [stderr] Downloaded thread_local v0.3.4 [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@sha256:923055f121b5182466d55868a8b05e67af8ba4a3a3f6bad814e953ca3cd3ac2a" "/opt/rustwide/cargo-home/bin/cargo" "+ab869e094a907cc5d19b4080f22eccaf347f1f95" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }` [INFO] [stdout] 706e3e6cd1c267d58799a0967890186a36c87e9b903aabb301c0fda9335c81d3 [INFO] running `Command { std: "docker" "start" "-a" "706e3e6cd1c267d58799a0967890186a36c87e9b903aabb301c0fda9335c81d3", kill_on_drop: false }` [INFO] running `Command { std: "docker" "inspect" "706e3e6cd1c267d58799a0967890186a36c87e9b903aabb301c0fda9335c81d3", kill_on_drop: false }` [INFO] running `Command { std: "docker" "rm" "-f" "706e3e6cd1c267d58799a0967890186a36c87e9b903aabb301c0fda9335c81d3", kill_on_drop: false }` [INFO] [stdout] 706e3e6cd1c267d58799a0967890186a36c87e9b903aabb301c0fda9335c81d3 [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@sha256:923055f121b5182466d55868a8b05e67af8ba4a3a3f6bad814e953ca3cd3ac2a" "/opt/rustwide/cargo-home/bin/cargo" "+ab869e094a907cc5d19b4080f22eccaf347f1f95" "check" "--frozen" "--all" "--all-targets" "--message-format=json", kill_on_drop: false }` [INFO] [stdout] 43b30c8fcfc4bbf8b8261a708afdcda46885a7b4c192ca69eef75e3f0d85e3a0 [INFO] running `Command { std: "docker" "start" "-a" "43b30c8fcfc4bbf8b8261a708afdcda46885a7b4c192ca69eef75e3f0d85e3a0", kill_on_drop: false }` [INFO] [stderr] warning: no edition set: defaulting to the 2015 edition while the latest is 2021 [INFO] [stderr] Checking void v1.0.2 [INFO] [stderr] Checking lazy_static v0.2.11 [INFO] [stderr] Checking ansi_term v0.12.1 [INFO] [stderr] Checking textwrap v0.11.0 [INFO] [stderr] Checking bit-vec v0.6.3 [INFO] [stderr] Checking vec_map v0.8.2 [INFO] [stderr] Checking atty v0.2.11 [INFO] [stderr] Checking chrono v0.4.38 [INFO] [stderr] Checking unreachable v1.0.0 [INFO] [stderr] Checking strsim v0.8.0 [INFO] [stderr] Checking log v0.4.22 [INFO] [stderr] Checking thread_local v0.3.4 [INFO] [stderr] Checking memmap v0.6.2 [INFO] [stderr] Checking perplex-runtime v0.1.1 [INFO] [stderr] Checking clap v2.34.0 [INFO] [stderr] Checking bit-set v0.5.3 [INFO] [stderr] Checking stderrlog v0.4.3 [INFO] [stderr] Checking perplex v0.4.1 (/opt/rustwide/workdir) [INFO] [stdout] warning: variable does not need to be mutable [INFO] [stdout] --> src/backend.rs:176:13 [INFO] [stdout] | [INFO] [stdout] 176 | let mut ta: Vec<_> = state [INFO] [stdout] | ----^^ [INFO] [stdout] | | [INFO] [stdout] | help: remove this `mut` [INFO] [stdout] | [INFO] [stdout] = note: `#[warn(unused_mut)]` on by default [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: variable does not need to be mutable [INFO] [stdout] --> src/honalee.rs:144:17 [INFO] [stdout] | [INFO] [stdout] 144 | let mut item_set = &mut done_list[index]; [INFO] [stdout] | ----^^^^^^^^ [INFO] [stdout] | | [INFO] [stdout] | help: remove this `mut` [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: variable does not need to be mutable [INFO] [stdout] --> src/backend.rs:176:13 [INFO] [stdout] | [INFO] [stdout] 176 | let mut ta: Vec<_> = state [INFO] [stdout] | ----^^ [INFO] [stdout] | | [INFO] [stdout] | help: remove this `mut` [INFO] [stdout] | [INFO] [stdout] = note: `#[warn(unused_mut)]` on by default [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: variable does not need to be mutable [INFO] [stdout] --> src/honalee.rs:144:17 [INFO] [stdout] | [INFO] [stdout] 144 | let mut item_set = &mut done_list[index]; [INFO] [stdout] | ----^^^^^^^^ [INFO] [stdout] | | [INFO] [stdout] | help: remove this `mut` [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: field `origin` is never read [INFO] [stdout] --> src/glr.rs:598:5 [INFO] [stdout] | [INFO] [stdout] 597 | pub struct ConflictArc { [INFO] [stdout] | ----------- field in this struct [INFO] [stdout] 598 | origin: ItemSetId, [INFO] [stdout] | ^^^^^^ [INFO] [stdout] | [INFO] [stdout] = note: `ConflictArc` has a derived impl for the trait `Debug`, 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 `rank` and `reconverged` are never read [INFO] [stdout] --> src/glr.rs:636:5 [INFO] [stdout] | [INFO] [stdout] 635 | pub struct ConflictNode { [INFO] [stdout] | ------------ fields in this struct [INFO] [stdout] 636 | rank: usize, [INFO] [stdout] | ^^^^ [INFO] [stdout] ... [INFO] [stdout] 640 | reconverged: bool, [INFO] [stdout] | ^^^^^^^^^^^ [INFO] [stdout] | [INFO] [stdout] = note: `ConflictNode` has a derived impl for the trait `Debug`, but this is intentionally ignored during dead code analysis [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: 4 warnings emitted [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: field `origin` is never read [INFO] [stdout] --> src/glr.rs:598:5 [INFO] [stdout] | [INFO] [stdout] 597 | pub struct ConflictArc { [INFO] [stdout] | ----------- field in this struct [INFO] [stdout] 598 | origin: ItemSetId, [INFO] [stdout] | ^^^^^^ [INFO] [stdout] | [INFO] [stdout] = note: `ConflictArc` has a derived impl for the trait `Debug`, 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 `rank` and `reconverged` are never read [INFO] [stdout] --> src/glr.rs:636:5 [INFO] [stdout] | [INFO] [stdout] 635 | pub struct ConflictNode { [INFO] [stdout] | ------------ fields in this struct [INFO] [stdout] 636 | rank: usize, [INFO] [stdout] | ^^^^ [INFO] [stdout] ... [INFO] [stdout] 640 | reconverged: bool, [INFO] [stdout] | ^^^^^^^^^^^ [INFO] [stdout] | [INFO] [stdout] = note: `ConflictNode` has a derived impl for the trait `Debug`, but this is intentionally ignored during dead code analysis [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: this method call resolves to `<&[T; N] as IntoIterator>::into_iter` (due to backwards compatibility), but will resolve to `<[T; N] as IntoIterator>::into_iter` in Rust 2021 [INFO] [stdout] --> src/parser.rs:329:34 [INFO] [stdout] | [INFO] [stdout] 329 | let res = parse_iter(seq.into_iter().cloned()); [INFO] [stdout] | ^^^^^^^^^ [INFO] [stdout] | [INFO] [stdout] = warning: this changes meaning in Rust 2021 [INFO] [stdout] = note: for more information, see [INFO] [stdout] = note: `#[warn(array_into_iter)]` on by default [INFO] [stdout] help: use `.iter()` instead of `.into_iter()` to avoid ambiguity [INFO] [stdout] | [INFO] [stdout] 329 | let res = parse_iter(seq.iter().cloned()); [INFO] [stdout] | ~~~~ [INFO] [stdout] help: or use `IntoIterator::into_iter(..)` instead of `.into_iter()` to explicitly iterate by value [INFO] [stdout] | [INFO] [stdout] 329 | let res = parse_iter(IntoIterator::into_iter(seq).cloned()); [INFO] [stdout] | ++++++++++++++++++++++++ ~ [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: 5 warnings emitted [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: this method call resolves to `<&[T; N] as IntoIterator>::into_iter` (due to backwards compatibility), but will resolve to `<[T; N] as IntoIterator>::into_iter` in Rust 2021 [INFO] [stdout] --> tests/tribble1.rs:200:35 [INFO] [stdout] | [INFO] [stdout] 200 | let res = IterParser::new(seq.into_iter().cloned()).run(); [INFO] [stdout] | ^^^^^^^^^ [INFO] [stdout] | [INFO] [stdout] = warning: this changes meaning in Rust 2021 [INFO] [stdout] = note: for more information, see [INFO] [stdout] = note: `#[warn(array_into_iter)]` on by default [INFO] [stdout] help: use `.iter()` instead of `.into_iter()` to avoid ambiguity [INFO] [stdout] | [INFO] [stdout] 200 | let res = IterParser::new(seq.iter().cloned()).run(); [INFO] [stdout] | ~~~~ [INFO] [stdout] help: or use `IntoIterator::into_iter(..)` instead of `.into_iter()` to explicitly iterate by value [INFO] [stdout] | [INFO] [stdout] 200 | let res = IterParser::new(IntoIterator::into_iter(seq).cloned()).run(); [INFO] [stdout] | ++++++++++++++++++++++++ ~ [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: this method call resolves to `<&[T; N] as IntoIterator>::into_iter` (due to backwards compatibility), but will resolve to `<[T; N] as IntoIterator>::into_iter` in Rust 2021 [INFO] [stdout] --> tests/tribble1.rs:209:35 [INFO] [stdout] | [INFO] [stdout] 209 | let res = IterParser::new(seq.into_iter().cloned()).run(); [INFO] [stdout] | ^^^^^^^^^ [INFO] [stdout] | [INFO] [stdout] = warning: this changes meaning in Rust 2021 [INFO] [stdout] = note: for more information, see [INFO] [stdout] help: use `.iter()` instead of `.into_iter()` to avoid ambiguity [INFO] [stdout] | [INFO] [stdout] 209 | let res = IterParser::new(seq.iter().cloned()).run(); [INFO] [stdout] | ~~~~ [INFO] [stdout] help: or use `IntoIterator::into_iter(..)` instead of `.into_iter()` to explicitly iterate by value [INFO] [stdout] | [INFO] [stdout] 209 | let res = IterParser::new(IntoIterator::into_iter(seq).cloned()).run(); [INFO] [stdout] | ++++++++++++++++++++++++ ~ [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: this method call resolves to `<&[T; N] as IntoIterator>::into_iter` (due to backwards compatibility), but will resolve to `<[T; N] as IntoIterator>::into_iter` in Rust 2021 [INFO] [stdout] --> tests/tribble1.rs:218:35 [INFO] [stdout] | [INFO] [stdout] 218 | let res = IterParser::new(seq.into_iter().cloned()).run(); [INFO] [stdout] | ^^^^^^^^^ [INFO] [stdout] | [INFO] [stdout] = warning: this changes meaning in Rust 2021 [INFO] [stdout] = note: for more information, see [INFO] [stdout] help: use `.iter()` instead of `.into_iter()` to avoid ambiguity [INFO] [stdout] | [INFO] [stdout] 218 | let res = IterParser::new(seq.iter().cloned()).run(); [INFO] [stdout] | ~~~~ [INFO] [stdout] help: or use `IntoIterator::into_iter(..)` instead of `.into_iter()` to explicitly iterate by value [INFO] [stdout] | [INFO] [stdout] 218 | let res = IterParser::new(IntoIterator::into_iter(seq).cloned()).run(); [INFO] [stdout] | ++++++++++++++++++++++++ ~ [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: this method call resolves to `<&[T; N] as IntoIterator>::into_iter` (due to backwards compatibility), but will resolve to `<[T; N] as IntoIterator>::into_iter` in Rust 2021 [INFO] [stdout] --> tests/tribble1.rs:227:35 [INFO] [stdout] | [INFO] [stdout] 227 | let res = IterParser::new(seq.into_iter().cloned()).run(); [INFO] [stdout] | ^^^^^^^^^ [INFO] [stdout] | [INFO] [stdout] = warning: this changes meaning in Rust 2021 [INFO] [stdout] = note: for more information, see [INFO] [stdout] help: use `.iter()` instead of `.into_iter()` to avoid ambiguity [INFO] [stdout] | [INFO] [stdout] 227 | let res = IterParser::new(seq.iter().cloned()).run(); [INFO] [stdout] | ~~~~ [INFO] [stdout] help: or use `IntoIterator::into_iter(..)` instead of `.into_iter()` to explicitly iterate by value [INFO] [stdout] | [INFO] [stdout] 227 | let res = IterParser::new(IntoIterator::into_iter(seq).cloned()).run(); [INFO] [stdout] | ++++++++++++++++++++++++ ~ [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: 4 warnings emitted [INFO] [stdout] [INFO] [stdout] [INFO] [stderr] Finished `dev` profile [unoptimized + debuginfo] target(s) in 5.88s [INFO] running `Command { std: "docker" "inspect" "43b30c8fcfc4bbf8b8261a708afdcda46885a7b4c192ca69eef75e3f0d85e3a0", kill_on_drop: false }` [INFO] running `Command { std: "docker" "rm" "-f" "43b30c8fcfc4bbf8b8261a708afdcda46885a7b4c192ca69eef75e3f0d85e3a0", kill_on_drop: false }` [INFO] [stdout] 43b30c8fcfc4bbf8b8261a708afdcda46885a7b4c192ca69eef75e3f0d85e3a0