[INFO] fetching crate perplex 0.4.1... [INFO] checking perplex-0.4.1 against master#385fa9d845dd326c6bbfd58c22244215e431948a for absurd-question-mark-desugar [INFO] extracting crate perplex 0.4.1 into /workspace/builds/worker-0-tc1/source [INFO] validating manifest of crates.io crate perplex 0.4.1 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 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-0-tc1/source/Cargo.toml [INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+385fa9d845dd326c6bbfd58c22244215e431948a" "generate-lockfile" "--manifest-path" "Cargo.toml", kill_on_drop: false }` [INFO] [stderr] Updating crates.io index [INFO] [stderr] Locking 62 packages [INFO] [stderr] Adding atty v0.2.11 (latest: v0.2.14) [INFO] [stderr] Adding bitflags v1.3.2 (latest: v2.5.0) [INFO] [stderr] Adding clap v2.34.0 (latest: v4.5.4) [INFO] [stderr] Adding hashbrown v0.12.3 (latest: v0.14.3) [INFO] [stderr] Adding indexmap v1.9.3 (latest: v2.2.6) [INFO] [stderr] Adding lazy_static v0.2.11 (latest: v1.4.0) [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: v0.5.1) [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: v3.0.0) [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: v0.55.0) [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] Downloading crates ... [INFO] [stderr] Downloaded perplex-runtime v0.1.1 [INFO] [stderr] Downloaded thread_local v0.3.4 [INFO] [stderr] Downloaded memmap v0.6.2 [INFO] [stderr] Downloaded redox_termios v0.1.3 [INFO] [stderr] Downloaded stderrlog v0.4.3 [INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-0-tc1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-0-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] 58bd1b261856c56d18028484699595c82ba50fb27a00f6404c9fed6949f99c80 [INFO] running `Command { std: "docker" "start" "-a" "58bd1b261856c56d18028484699595c82ba50fb27a00f6404c9fed6949f99c80", kill_on_drop: false }` [INFO] running `Command { std: "docker" "inspect" "58bd1b261856c56d18028484699595c82ba50fb27a00f6404c9fed6949f99c80", kill_on_drop: false }` [INFO] running `Command { std: "docker" "rm" "-f" "58bd1b261856c56d18028484699595c82ba50fb27a00f6404c9fed6949f99c80", kill_on_drop: false }` [INFO] [stdout] 58bd1b261856c56d18028484699595c82ba50fb27a00f6404c9fed6949f99c80 [INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-0-tc1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-0-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] b3fc70c160917abf886d7219a6d453a3a1783e1b50d998cdc9e9948627ac299e [INFO] running `Command { std: "docker" "start" "-a" "b3fc70c160917abf886d7219a6d453a3a1783e1b50d998cdc9e9948627ac299e", kill_on_drop: false }` [INFO] [stderr] Compiling num-traits v0.2.18 [INFO] [stderr] Checking void v1.0.2 [INFO] [stderr] Checking lazy_static v0.2.11 [INFO] [stderr] Checking iana-time-zone v0.1.60 [INFO] [stderr] Compiling libc v0.2.153 [INFO] [stderr] Checking textwrap v0.11.0 [INFO] [stderr] Checking vec_map v0.8.2 [INFO] [stderr] Checking strsim v0.8.0 [INFO] [stderr] Checking unreachable v1.0.0 [INFO] [stderr] Checking ansi_term v0.12.1 [INFO] [stderr] Checking log v0.4.21 [INFO] [stderr] Checking perplex-runtime v0.1.1 [INFO] [stderr] Checking thread_local v0.3.4 [INFO] [stderr] Checking atty v0.2.11 [INFO] [stderr] Checking memmap v0.6.2 [INFO] [stderr] Checking clap v2.34.0 [INFO] [stderr] Checking chrono v0.4.37 [INFO] [stderr] Checking stderrlog v0.4.3 [INFO] [stderr] Checking perplex v0.4.1 (/opt/rustwide/workdir) [INFO] [stdout] warning: the item `std` is imported redundantly [INFO] [stdout] --> src/grammar.rs:5:5 [INFO] [stdout] | [INFO] [stdout] 5 | use std; [INFO] [stdout] | ^^^ the item `std` is already imported by prelude [INFO] [stdout] | [INFO] [stdout] = note: `#[warn(unused_imports)]` on by default [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: the item `std` is imported redundantly [INFO] [stdout] --> src/item_set.rs:5:5 [INFO] [stdout] | [INFO] [stdout] 5 | use std; [INFO] [stdout] | ^^^ the item `std` is already imported by prelude [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: the item `std` is imported redundantly [INFO] [stdout] --> src/machine.rs:5:5 [INFO] [stdout] | [INFO] [stdout] 5 | use std; [INFO] [stdout] | ^^^ the item `std` is already imported by prelude [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: the item `std` is imported redundantly [INFO] [stdout] --> src/grammar.rs:5:5 [INFO] [stdout] | [INFO] [stdout] 5 | use std; [INFO] [stdout] | ^^^ the item `std` is already imported by prelude [INFO] [stdout] | [INFO] [stdout] = note: `#[warn(unused_imports)]` on by default [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: the item `std` is imported redundantly [INFO] [stdout] --> src/item_set.rs:5:5 [INFO] [stdout] | [INFO] [stdout] 5 | use std; [INFO] [stdout] | ^^^ the item `std` is already imported by prelude [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: the item `std` is imported redundantly [INFO] [stdout] --> src/machine.rs:5:5 [INFO] [stdout] | [INFO] [stdout] 5 | use std; [INFO] [stdout] | ^^^ the item `std` is already imported by prelude [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: 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: 7 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] [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: 8 warnings emitted [INFO] [stdout] [INFO] [stdout] [INFO] [stderr] Finished `dev` profile [unoptimized + debuginfo] target(s) in 7.10s [INFO] running `Command { std: "docker" "inspect" "b3fc70c160917abf886d7219a6d453a3a1783e1b50d998cdc9e9948627ac299e", kill_on_drop: false }` [INFO] running `Command { std: "docker" "rm" "-f" "b3fc70c160917abf886d7219a6d453a3a1783e1b50d998cdc9e9948627ac299e", kill_on_drop: false }` [INFO] [stdout] b3fc70c160917abf886d7219a6d453a3a1783e1b50d998cdc9e9948627ac299e [INFO] checking perplex-0.4.1 against try#645bb72776a6a56a1a8f52631a44bd082b2ba509 for absurd-question-mark-desugar [INFO] extracting crate perplex 0.4.1 into /workspace/builds/worker-0-tc2/source [INFO] validating manifest of crates.io crate perplex 0.4.1 on toolchain 645bb72776a6a56a1a8f52631a44bd082b2ba509 [INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+645bb72776a6a56a1a8f52631a44bd082b2ba509" "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-0-tc2/source/Cargo.toml [INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+645bb72776a6a56a1a8f52631a44bd082b2ba509" "generate-lockfile" "--manifest-path" "Cargo.toml", kill_on_drop: false }` [INFO] [stderr] Updating crates.io index [INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+645bb72776a6a56a1a8f52631a44bd082b2ba509" "fetch" "--manifest-path" "Cargo.toml", kill_on_drop: false }` [INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-0-tc2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-0-tc2/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" "+645bb72776a6a56a1a8f52631a44bd082b2ba509" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }` [INFO] [stdout] 050419d3ed27f315afbdb7c018963e09f1279c9857c6207d43ff8f6519e73565 [INFO] running `Command { std: "docker" "start" "-a" "050419d3ed27f315afbdb7c018963e09f1279c9857c6207d43ff8f6519e73565", kill_on_drop: false }` [INFO] running `Command { std: "docker" "inspect" "050419d3ed27f315afbdb7c018963e09f1279c9857c6207d43ff8f6519e73565", kill_on_drop: false }` [INFO] running `Command { std: "docker" "rm" "-f" "050419d3ed27f315afbdb7c018963e09f1279c9857c6207d43ff8f6519e73565", kill_on_drop: false }` [INFO] [stdout] 050419d3ed27f315afbdb7c018963e09f1279c9857c6207d43ff8f6519e73565 [INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-0-tc2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-0-tc2/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" "+645bb72776a6a56a1a8f52631a44bd082b2ba509" "check" "--frozen" "--all" "--all-targets" "--message-format=json", kill_on_drop: false }` [INFO] [stdout] 242b1d379c50e44bab44678e8f44d9f8d181d2d85b74cb794ed30e2f927fe659 [INFO] running `Command { std: "docker" "start" "-a" "242b1d379c50e44bab44678e8f44d9f8d181d2d85b74cb794ed30e2f927fe659", kill_on_drop: false }` [INFO] [stderr] Compiling num-traits v0.2.18 [INFO] [stderr] Checking void v1.0.2 [INFO] [stderr] Checking iana-time-zone v0.1.60 [INFO] [stderr] Checking lazy_static v0.2.11 [INFO] [stderr] Checking log v0.4.21 [INFO] [stderr] Compiling libc v0.2.153 [INFO] [stderr] Checking textwrap v0.11.0 [INFO] [stderr] Checking vec_map v0.8.2 [INFO] [stderr] Checking unreachable v1.0.0 [INFO] [stderr] Checking ansi_term v0.12.1 [INFO] [stderr] Checking strsim v0.8.0 [INFO] [stderr] Checking perplex-runtime v0.1.1 [INFO] [stderr] Checking thread_local v0.3.4 [INFO] [stderr] Checking atty v0.2.11 [INFO] [stderr] Checking memmap v0.6.2 [INFO] [stderr] Checking clap v2.34.0 [INFO] [stderr] Checking chrono v0.4.37 [INFO] [stderr] Checking stderrlog v0.4.3 [INFO] [stderr] Checking perplex v0.4.1 (/opt/rustwide/workdir) [INFO] [stdout] warning: the item `std` is imported redundantly [INFO] [stdout] --> src/grammar.rs:5:5 [INFO] [stdout] | [INFO] [stdout] 5 | use std; [INFO] [stdout] | ^^^ the item `std` is already imported by prelude [INFO] [stdout] | [INFO] [stdout] = note: `#[warn(unused_imports)]` on by default [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: the item `std` is imported redundantly [INFO] [stdout] --> src/item_set.rs:5:5 [INFO] [stdout] | [INFO] [stdout] 5 | use std; [INFO] [stdout] | ^^^ the item `std` is already imported by prelude [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: the item `std` is imported redundantly [INFO] [stdout] --> src/machine.rs:5:5 [INFO] [stdout] | [INFO] [stdout] 5 | use std; [INFO] [stdout] | ^^^ the item `std` is already imported by prelude [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: the item `std` is imported redundantly [INFO] [stdout] --> src/grammar.rs:5:5 [INFO] [stdout] | [INFO] [stdout] 5 | use std; [INFO] [stdout] | ^^^ the item `std` is already imported by prelude [INFO] [stdout] | [INFO] [stdout] = note: `#[warn(unused_imports)]` on by default [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: the item `std` is imported redundantly [INFO] [stdout] --> src/item_set.rs:5:5 [INFO] [stdout] | [INFO] [stdout] 5 | use std; [INFO] [stdout] | ^^^ the item `std` is already imported by prelude [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: the item `std` is imported redundantly [INFO] [stdout] --> src/machine.rs:5:5 [INFO] [stdout] | [INFO] [stdout] 5 | use std; [INFO] [stdout] | ^^^ the item `std` is already imported by prelude [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: 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: 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: 8 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: 7 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 6.21s [INFO] running `Command { std: "docker" "inspect" "242b1d379c50e44bab44678e8f44d9f8d181d2d85b74cb794ed30e2f927fe659", kill_on_drop: false }` [INFO] running `Command { std: "docker" "rm" "-f" "242b1d379c50e44bab44678e8f44d9f8d181d2d85b74cb794ed30e2f927fe659", kill_on_drop: false }` [INFO] [stdout] 242b1d379c50e44bab44678e8f44d9f8d181d2d85b74cb794ed30e2f927fe659