[INFO] fetching crate underthesea_core 1.0.4... [INFO] checking underthesea_core-1.0.4 against master#385fa9d845dd326c6bbfd58c22244215e431948a for absurd-question-mark-desugar [INFO] extracting crate underthesea_core 1.0.4 into /workspace/builds/worker-5-tc1/source [INFO] validating manifest of crates.io crate underthesea_core 1.0.4 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 underthesea_core 1.0.4 [INFO] finished tweaking crates.io crate underthesea_core 1.0.4 [INFO] tweaked toml for crates.io crate underthesea_core 1.0.4 written to /workspace/builds/worker-5-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 100 packages [INFO] [stderr] Adding bitflags v1.3.2 (latest: v2.5.0) [INFO] [stderr] Adding bstr v0.2.17 (latest: v1.9.1) [INFO] [stderr] Adding clap v2.34.0 (latest: v4.5.4) [INFO] [stderr] Adding crfs v0.1.3 (latest: v0.2.0) [INFO] [stderr] Adding criterion v0.3.6 (latest: v0.5.1) [INFO] [stderr] Adding criterion-plot v0.4.5 (latest: v0.5.0) [INFO] [stderr] Adding half v1.8.3 (latest: v2.4.0) [INFO] [stderr] Adding hermit-abi v0.1.19 (latest: v0.3.9) [INFO] [stderr] Adding indoc v0.3.6 (latest: v2.0.5) [INFO] [stderr] Adding indoc-impl v0.3.6 (latest: v0.3.7) [INFO] [stderr] Adding itertools v0.10.5 (latest: v0.12.1) [INFO] [stderr] Adding nalgebra v0.29.0 (latest: v0.32.5) [INFO] [stderr] Adding nalgebra-macros v0.1.0 (latest: v0.2.1) [INFO] [stderr] Adding parking_lot v0.11.2 (latest: v0.12.1) [INFO] [stderr] Adding parking_lot_core v0.8.6 (latest: v0.9.9) [INFO] [stderr] Adding paste v0.1.18 (latest: v1.0.14) [INFO] [stderr] Adding pyo3 v0.15.2 (latest: v0.21.1) [INFO] [stderr] Adding pyo3-build-config v0.15.2 (latest: v0.21.1) [INFO] [stderr] Adding pyo3-macros v0.15.2 (latest: v0.21.1) [INFO] [stderr] Adding pyo3-macros-backend v0.15.2 (latest: v0.21.1) [INFO] [stderr] Adding redox_syscall v0.2.16 (latest: v0.5.1) [INFO] [stderr] Adding regex-automata v0.1.10 (latest: v0.4.6) [INFO] [stderr] Adding simba v0.6.0 (latest: v0.8.1) [INFO] [stderr] Adding syn v1.0.109 (latest: v2.0.58) [INFO] [stderr] Adding textwrap v0.11.0 (latest: v0.16.1) [INFO] [stderr] Adding unindent v0.1.11 (latest: v0.2.3) [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 crfs v0.1.3 [INFO] [stderr] Downloaded jhash v0.1.1 [INFO] [stderr] Downloaded cqdb v0.5.8 [INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-5-tc1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-5-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] 0b29a40dc3d127a962226c48d3cc868b8be5fe89a3281d29bba48f355b205f91 [INFO] running `Command { std: "docker" "start" "-a" "0b29a40dc3d127a962226c48d3cc868b8be5fe89a3281d29bba48f355b205f91", kill_on_drop: false }` [INFO] running `Command { std: "docker" "inspect" "0b29a40dc3d127a962226c48d3cc868b8be5fe89a3281d29bba48f355b205f91", kill_on_drop: false }` [INFO] running `Command { std: "docker" "rm" "-f" "0b29a40dc3d127a962226c48d3cc868b8be5fe89a3281d29bba48f355b205f91", kill_on_drop: false }` [INFO] [stdout] 0b29a40dc3d127a962226c48d3cc868b8be5fe89a3281d29bba48f355b205f91 [INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-5-tc1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-5-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] d09b31f5df54f77b56cf57ff6d97a22aaf0e1e887d303457e965da73adad234d [INFO] running `Command { std: "docker" "start" "-a" "d09b31f5df54f77b56cf57ff6d97a22aaf0e1e887d303457e965da73adad234d", kill_on_drop: false }` [INFO] [stderr] Checking memchr v2.7.2 [INFO] [stderr] Compiling syn v1.0.109 [INFO] [stderr] Compiling pyo3-build-config v0.15.2 [INFO] [stderr] Checking bytemuck v1.15.0 [INFO] [stderr] Compiling paste v1.0.14 [INFO] [stderr] Compiling matrixmultiply v0.3.8 [INFO] [stderr] Compiling num-rational v0.4.1 [INFO] [stderr] Compiling unindent v0.1.11 [INFO] [stderr] Checking approx v0.5.1 [INFO] [stderr] Compiling syn v2.0.58 [INFO] [stderr] Checking num-integer v0.1.46 [INFO] [stderr] Checking parking_lot_core v0.8.6 [INFO] [stderr] Checking num-complex v0.4.5 [INFO] [stderr] Compiling paste-impl v0.1.18 [INFO] [stderr] Checking jhash v0.1.1 [INFO] [stderr] Checking array-init v2.1.0 [INFO] [stderr] Checking rawpointer v0.2.1 [INFO] [stderr] Checking plotters v0.3.5 [INFO] [stderr] Checking atty v0.2.14 [INFO] [stderr] Checking safe_arch v0.7.1 [INFO] [stderr] Checking parking_lot v0.11.2 [INFO] [stderr] Checking paste v0.1.18 [INFO] [stderr] Checking wide v0.7.15 [INFO] [stderr] Checking aho-corasick v1.1.3 [INFO] [stderr] Checking bstr v1.9.1 [INFO] [stderr] Checking csv-core v0.1.11 [INFO] [stderr] Checking bstr v0.2.17 [INFO] [stderr] Checking cqdb v0.5.8 [INFO] [stderr] Checking crfs v0.1.3 [INFO] [stderr] Compiling pyo3 v0.15.2 [INFO] [stderr] Checking simba v0.6.0 [INFO] [stderr] Checking regex-automata v0.4.6 [INFO] [stderr] Compiling serde_derive v1.0.197 [INFO] [stderr] Compiling pyo3-macros-backend v0.15.2 [INFO] [stderr] Checking regex v1.10.4 [INFO] [stderr] Compiling indoc-impl v0.3.6 [INFO] [stderr] Compiling nalgebra-macros v0.1.0 [INFO] [stderr] Checking indoc v0.3.6 [INFO] [stderr] Compiling pyo3-macros v0.15.2 [INFO] [stderr] Checking serde v1.0.197 [INFO] [stderr] Checking nalgebra v0.29.0 [INFO] [stderr] Checking serde_json v1.0.115 [INFO] [stderr] Checking serde_cbor v0.11.2 [INFO] [stderr] Checking csv v1.3.0 [INFO] [stderr] Checking tinytemplate v1.2.1 [INFO] [stderr] Checking criterion v0.3.6 [INFO] [stderr] Checking underthesea_core v1.0.4 (/opt/rustwide/workdir) [INFO] [stdout] warning: unused import: `underthesea_core` [INFO] [stdout] --> benches/lab.rs:7:5 [INFO] [stdout] | [INFO] [stdout] 7 | use underthesea_core; [INFO] [stdout] | ^^^^^^^^^^^^^^^^ [INFO] [stdout] | [INFO] [stdout] = note: `#[warn(unused_imports)]` on by default [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: unused import: `rayon::prelude::*` [INFO] [stdout] --> benches/featurizers.rs:6:5 [INFO] [stdout] | [INFO] [stdout] 6 | use rayon::prelude::*; [INFO] [stdout] | ^^^^^^^^^^^^^^^^^ [INFO] [stdout] | [INFO] [stdout] = note: `#[warn(unused_imports)]` on by default [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: variable does not need to be mutable [INFO] [stdout] --> benches/lab.rs:24:9 [INFO] [stdout] | [INFO] [stdout] 24 | let mut arr: [u32; 2] = [10, 100]; [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: unused variable: `a` [INFO] [stdout] --> benches/lab.rs:30:9 [INFO] [stdout] | [INFO] [stdout] 30 | let a = 1 + 2; [INFO] [stdout] | ^ help: if this is intentional, prefix it with an underscore: `_a` [INFO] [stdout] | [INFO] [stdout] = note: `#[warn(unused_variables)]` on by default [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: 1 warning emitted [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: function `f1` is never used [INFO] [stdout] --> benches/lab.rs:17:4 [INFO] [stdout] | [INFO] [stdout] 17 | fn f1() { [INFO] [stdout] | ^^ [INFO] [stdout] | [INFO] [stdout] = note: `#[warn(dead_code)]` on by default [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: unused `rayon::iter::Map` that must be used [INFO] [stdout] --> benches/lab.rs:19:5 [INFO] [stdout] | [INFO] [stdout] 19 | arr.par_iter_mut().map(|n| fibonacci(*n)); [INFO] [stdout] | ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^ [INFO] [stdout] | [INFO] [stdout] = note: iterator adaptors are lazy and do nothing unless consumed [INFO] [stdout] = note: `#[warn(unused_must_use)]` on by default [INFO] [stdout] help: use `let _ = ...` to ignore the resulting value [INFO] [stdout] | [INFO] [stdout] 19 | let _ = arr.par_iter_mut().map(|n| fibonacci(*n)); [INFO] [stdout] | +++++++ [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: 5 warnings emitted [INFO] [stdout] [INFO] [stdout] [INFO] [stderr] Finished `dev` profile [unoptimized + debuginfo] target(s) in 18.78s [INFO] running `Command { std: "docker" "inspect" "d09b31f5df54f77b56cf57ff6d97a22aaf0e1e887d303457e965da73adad234d", kill_on_drop: false }` [INFO] running `Command { std: "docker" "rm" "-f" "d09b31f5df54f77b56cf57ff6d97a22aaf0e1e887d303457e965da73adad234d", kill_on_drop: false }` [INFO] [stdout] d09b31f5df54f77b56cf57ff6d97a22aaf0e1e887d303457e965da73adad234d