[INFO] fetching crate vars 0.2.0... [INFO] checking vars-0.2.0 against master#ab869e094a907cc5d19b4080f22eccaf347f1f95 for pr-129604 [INFO] extracting crate vars 0.2.0 into /workspace/builds/worker-4-tc1/source [INFO] validating manifest of crates.io crate vars 0.2.0 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 vars 0.2.0 [INFO] finished tweaking crates.io crate vars 0.2.0 [INFO] tweaked toml for crates.io crate vars 0.2.0 written to /workspace/builds/worker-4-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] Blocking waiting for file lock on package cache [INFO] [stderr] Locking 71 packages to latest compatible versions [INFO] [stderr] Adding anes v0.1.6 (latest: v0.2.0) [INFO] [stderr] Adding itertools v0.10.5 (latest: v0.13.0) [INFO] [stderr] Adding windows-sys v0.52.0 (latest: v0.59.0) [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] Downloading crates ... [INFO] [stderr] Downloaded vars_macro v0.1.0 [INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-4-tc1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-4-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] 0ee1061ab02ba113fe3e857865781022c7acb27c6274b949616e42eff89c684e [INFO] running `Command { std: "docker" "start" "-a" "0ee1061ab02ba113fe3e857865781022c7acb27c6274b949616e42eff89c684e", kill_on_drop: false }` [INFO] running `Command { std: "docker" "inspect" "0ee1061ab02ba113fe3e857865781022c7acb27c6274b949616e42eff89c684e", kill_on_drop: false }` [INFO] running `Command { std: "docker" "rm" "-f" "0ee1061ab02ba113fe3e857865781022c7acb27c6274b949616e42eff89c684e", kill_on_drop: false }` [INFO] [stdout] 0ee1061ab02ba113fe3e857865781022c7acb27c6274b949616e42eff89c684e [INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-4-tc1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-4-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] b863f741fba63df7d6589fa439cb0488c2c9f242f909a5e02cb11b3f8857bda3 [INFO] running `Command { std: "docker" "start" "-a" "b863f741fba63df7d6589fa439cb0488c2c9f242f909a5e02cb11b3f8857bda3", kill_on_drop: false }` [INFO] [stderr] Compiling proc-macro2 v1.0.86 [INFO] [stderr] Compiling crossbeam-utils v0.8.20 [INFO] [stderr] Compiling serde v1.0.209 [INFO] [stderr] Compiling num-traits v0.2.19 [INFO] [stderr] Checking either v1.13.0 [INFO] [stderr] Checking cfg-if v1.0.0 [INFO] [stderr] Compiling rayon-core v1.12.1 [INFO] [stderr] Compiling serde_json v1.0.127 [INFO] [stderr] Compiling libc v0.2.158 [INFO] [stderr] Checking clap_lex v0.7.2 [INFO] [stderr] Checking half v2.4.1 [INFO] [stderr] Checking ryu v1.0.18 [INFO] [stderr] Checking itoa v1.0.11 [INFO] [stderr] Checking memchr v2.7.4 [INFO] [stderr] Checking plotters-backend v0.3.6 [INFO] [stderr] Checking regex-syntax v0.8.4 [INFO] [stderr] Checking ciborium-io v0.2.2 [INFO] [stderr] Checking anstyle v1.0.8 [INFO] [stderr] Checking ciborium-ll v0.2.2 [INFO] [stderr] Checking crossbeam-epoch v0.9.18 [INFO] [stderr] Checking plotters-svg v0.3.6 [INFO] [stderr] Checking itertools v0.10.5 [INFO] [stderr] Checking clap_builder v4.5.15 [INFO] [stderr] Checking crossbeam-deque v0.8.5 [INFO] [stderr] Checking same-file v1.0.6 [INFO] [stderr] Compiling quote v1.0.37 [INFO] [stderr] Compiling syn v2.0.77 [INFO] [stderr] Checking cast v0.3.0 [INFO] [stderr] Checking plotters v0.3.6 [INFO] [stderr] Checking rayon v1.10.0 [INFO] [stderr] Checking is-terminal v0.4.13 [INFO] [stderr] Checking walkdir v2.5.0 [INFO] [stderr] Checking once_cell v1.19.0 [INFO] [stderr] Checking regex-automata v0.4.7 [INFO] [stderr] Checking anes v0.1.6 [INFO] [stderr] Checking oorandom v11.1.4 [INFO] [stderr] Checking clap v4.5.16 [INFO] [stderr] Checking criterion-plot v0.5.0 [INFO] [stderr] Checking regex v1.10.6 [INFO] [stderr] Compiling serde_derive v1.0.209 [INFO] [stderr] Compiling vars_macro v0.1.0 [INFO] [stderr] Checking vars v0.2.0 (/opt/rustwide/workdir) [INFO] [stderr] Checking ciborium v0.2.2 [INFO] [stderr] Checking tinytemplate v1.2.1 [INFO] [stderr] Checking criterion v0.5.1 [INFO] [stdout] warning: variable does not need to be mutable [INFO] [stdout] --> tests/tuple_iter_unsafe.rs:77:9 [INFO] [stdout] | [INFO] [stdout] 77 | let mut tups = (1 as usize, 2 as usize,); [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: `array` [INFO] [stdout] --> tests/const_generic.rs:14:9 [INFO] [stdout] | [INFO] [stdout] 14 | let array = ConArr { arr: [1,2] }; [INFO] [stdout] | ^^^^^ help: if this is intentional, prefix it with an underscore: `_array` [INFO] [stdout] | [INFO] [stdout] = note: `#[warn(unused_variables)]` on by default [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: unused variable: `v1` [INFO] [stdout] --> tests/hcons_test.rs:245:13 [INFO] [stdout] | [INFO] [stdout] 245 | let v1 = h.value(); [INFO] [stdout] | ^^ help: if this is intentional, prefix it with an underscore: `_v1` [INFO] [stdout] | [INFO] [stdout] = note: `#[warn(unused_variables)]` on by default [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: trait `Tuple` is never used [INFO] [stdout] --> tests/const_generic.rs:2:7 [INFO] [stdout] | [INFO] [stdout] 2 | trait Tuple {} [INFO] [stdout] | ^^^^^ [INFO] [stdout] | [INFO] [stdout] = note: `#[warn(dead_code)]` on by default [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: trait `TupleIterator` is never used [INFO] [stdout] --> tests/tuple_iter_unsafe.rs:45:7 [INFO] [stdout] | [INFO] [stdout] 45 | trait TupleIterator { [INFO] [stdout] | ^^^^^^^^^^^^^ [INFO] [stdout] | [INFO] [stdout] = note: `#[warn(dead_code)]` on by default [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: trait `Vars` is never used [INFO] [stdout] --> tests/const_generic.rs:6:7 [INFO] [stdout] | [INFO] [stdout] 6 | trait Vars {} [INFO] [stdout] | ^^^^ [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: field `arr` is never read [INFO] [stdout] --> tests/const_generic.rs:9:9 [INFO] [stdout] | [INFO] [stdout] 8 | struct ConArr { [INFO] [stdout] | ------ field in this struct [INFO] [stdout] 9 | pub arr: [usize; Len], [INFO] [stdout] | ^^^ [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: const parameter `Len` should have an upper case name [INFO] [stdout] --> tests/const_generic.rs:8:21 [INFO] [stdout] | [INFO] [stdout] 8 | struct ConArr { [INFO] [stdout] | ^^^ help: convert the identifier to upper case: `LEN` [INFO] [stdout] | [INFO] [stdout] = note: `#[warn(non_upper_case_globals)]` on by default [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: unused variable: `n` [INFO] [stdout] --> tests/hcons_test.rs:267:9 [INFO] [stdout] | [INFO] [stdout] 267 | let n = h.value(); [INFO] [stdout] | ^ help: if this is intentional, prefix it with an underscore: `_n` [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: struct `HConsIterator` is never constructed [INFO] [stdout] --> tests/hcons_test.rs:13:8 [INFO] [stdout] | [INFO] [stdout] 13 | struct HConsIterator> { [INFO] [stdout] | ^^^^^^^^^^^^^ [INFO] [stdout] | [INFO] [stdout] = note: `#[warn(dead_code)]` on by default [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: 2 warnings emitted [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: 5 warnings emitted [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: 3 warnings emitted [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: unused variable: `tup` [INFO] [stdout] --> src/lib.rs:33:13 [INFO] [stdout] | [INFO] [stdout] 33 | let tup = (1,2,3).uncons(); [INFO] [stdout] | ^^^ help: if this is intentional, prefix it with an underscore: `_tup` [INFO] [stdout] | [INFO] [stdout] = note: `#[warn(unused_variables)]` on by default [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: unused variable: `a` [INFO] [stdout] --> src/lib.rs:58:13 [INFO] [stdout] | [INFO] [stdout] 58 | let a = (1,2,3).uncons(); [INFO] [stdout] | ^ help: if this is intentional, prefix it with an underscore: `_a` [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: unused variable: `v` [INFO] [stdout] --> src/lib.rs:53:24 [INFO] [stdout] | [INFO] [stdout] 53 | fn accept_vars(v: impl Vars) { [INFO] [stdout] | ^ help: if this is intentional, prefix it with an underscore: `_v` [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: unused variable: `u_8` [INFO] [stdout] --> src/lib.rs:82:13 [INFO] [stdout] | [INFO] [stdout] 82 | let u_8: &usize = &10; [INFO] [stdout] | ^^^ help: if this is intentional, prefix it with an underscore: `_u_8` [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: unused variable: `t` [INFO] [stdout] --> src/lib.rs:76:20 [INFO] [stdout] | [INFO] [stdout] 76 | fn consume(t: (usize, (usize, ))) { [INFO] [stdout] | ^ help: if this is intentional, prefix it with an underscore: `_t` [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: unused variable: `l1` [INFO] [stdout] --> src/lib.rs:90:18 [INFO] [stdout] | [INFO] [stdout] 90 | let (l1, r1) = v.uncons(); [INFO] [stdout] | ^^ help: if this is intentional, prefix it with an underscore: `_l1` [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: unused variable: `l2` [INFO] [stdout] --> src/lib.rs:91:18 [INFO] [stdout] | [INFO] [stdout] 91 | let (l2, r2) = r1.uncons(); [INFO] [stdout] | ^^ help: if this is intentional, prefix it with an underscore: `_l2` [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: unused variable: `l3` [INFO] [stdout] --> src/lib.rs:92:18 [INFO] [stdout] | [INFO] [stdout] 92 | let (l3, r3) = r2.uncons(); [INFO] [stdout] | ^^ help: if this is intentional, prefix it with an underscore: `_l3` [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: unused variable: `r3` [INFO] [stdout] --> src/lib.rs:92:22 [INFO] [stdout] | [INFO] [stdout] 92 | let (l3, r3) = r2.uncons(); [INFO] [stdout] | ^^ help: if this is intentional, prefix it with an underscore: `_r3` [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: unused variable: `a1` [INFO] [stdout] --> src/lib.rs:96:18 [INFO] [stdout] | [INFO] [stdout] 96 | let (a1, a2) = (1, "str").uncons(); [INFO] [stdout] | ^^ help: if this is intentional, prefix it with an underscore: `_a1` [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: unused variable: `a2` [INFO] [stdout] --> src/lib.rs:96:22 [INFO] [stdout] | [INFO] [stdout] 96 | let (a1, a2) = (1, "str").uncons(); [INFO] [stdout] | ^^ help: if this is intentional, prefix it with an underscore: `_a2` [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: struct `CnC` is never constructed [INFO] [stdout] --> src/lib.rs:66:16 [INFO] [stdout] | [INFO] [stdout] 66 | struct CnC(usize); [INFO] [stdout] | ^^^ [INFO] [stdout] | [INFO] [stdout] = note: `#[warn(dead_code)]` on by default [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: function `consume` is never used [INFO] [stdout] --> src/lib.rs:76:12 [INFO] [stdout] | [INFO] [stdout] 76 | fn consume(t: (usize, (usize, ))) { [INFO] [stdout] | ^^^^^^^ [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: 13 warnings emitted [INFO] [stdout] [INFO] [stdout] [INFO] [stderr] Finished `dev` profile [optimized + debuginfo] target(s) in 26.95s [INFO] running `Command { std: "docker" "inspect" "b863f741fba63df7d6589fa439cb0488c2c9f242f909a5e02cb11b3f8857bda3", kill_on_drop: false }` [INFO] running `Command { std: "docker" "rm" "-f" "b863f741fba63df7d6589fa439cb0488c2c9f242f909a5e02cb11b3f8857bda3", kill_on_drop: false }` [INFO] [stdout] b863f741fba63df7d6589fa439cb0488c2c9f242f909a5e02cb11b3f8857bda3