[INFO] fetching crate minilp 0.2.2... [INFO] checking minilp-0.2.2 against master#bca37a20bd376ce3fd138e7cdee7fe704e0f8814 for pr-139493-3 [INFO] extracting crate minilp 0.2.2 into /workspace/builds/worker-1-tc1/source [INFO] started tweaking crates.io crate minilp 0.2.2 [INFO] finished tweaking crates.io crate minilp 0.2.2 [INFO] tweaked toml for crates.io crate minilp 0.2.2 written to /workspace/builds/worker-1-tc1/source/Cargo.toml [INFO] validating manifest of crates.io crate minilp 0.2.2 on toolchain bca37a20bd376ce3fd138e7cdee7fe704e0f8814 [INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+bca37a20bd376ce3fd138e7cdee7fe704e0f8814" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }` [INFO] crate crates.io crate minilp 0.2.2 already has a lockfile, it will not be regenerated [INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+bca37a20bd376ce3fd138e7cdee7fe704e0f8814" "fetch" "--manifest-path" "Cargo.toml", kill_on_drop: false }` [INFO] [stderr] Updating crates.io index [INFO] [stderr] Downloading crates ... [INFO] [stderr] Downloaded num-traits v0.1.43 [INFO] [stderr] Downloaded num-traits v0.2.11 [INFO] [stderr] Downloaded matrixmultiply v0.2.3 [INFO] [stderr] Downloaded num-complex v0.2.4 [INFO] [stderr] Downloaded hermit-abi v0.1.10 [INFO] [stderr] Downloaded thread_local v1.0.1 [INFO] [stderr] Downloaded rand_pcg v0.2.1 [INFO] [stderr] Downloaded autocfg v1.0.0 [INFO] [stderr] Downloaded winapi-util v0.1.4 [INFO] [stderr] Downloaded either v1.5.3 [INFO] [stderr] Downloaded termcolor v1.1.0 [INFO] [stderr] Downloaded num-integer v0.1.42 [INFO] [stderr] Downloaded humantime v1.3.0 [INFO] [stderr] Downloaded ppv-lite86 v0.2.6 [INFO] [stderr] Downloaded sprs v0.7.1 [INFO] [stderr] Downloaded memchr v2.3.3 [INFO] [stderr] Downloaded env_logger v0.7.1 [INFO] [stderr] Downloaded itertools v0.8.2 [INFO] [stderr] Downloaded log v0.4.8 [INFO] [stderr] Downloaded aho-corasick v0.7.10 [INFO] [stderr] Downloaded getrandom v0.1.14 [INFO] [stderr] Downloaded ndarray v0.13.0 [INFO] [stderr] Downloaded regex-syntax v0.6.17 [INFO] [stderr] Downloaded regex v1.3.6 [INFO] [stderr] Downloaded libc v0.2.68 [INFO] [stderr] Downloaded winapi v0.3.8 [INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-1-tc1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-1-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:aa71247004a7fa38d13ec170f48f06cdedf5bc50b2a8645e56ed7e992e6fa513" "/opt/rustwide/cargo-home/bin/cargo" "+bca37a20bd376ce3fd138e7cdee7fe704e0f8814" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }` [INFO] [stdout] 84791138ae33345b729e6592e45bbf2c5a5783dcf4ef738835d4e82b4ffd42ea [INFO] running `Command { std: "docker" "start" "-a" "84791138ae33345b729e6592e45bbf2c5a5783dcf4ef738835d4e82b4ffd42ea", kill_on_drop: false }` [INFO] running `Command { std: "docker" "inspect" "84791138ae33345b729e6592e45bbf2c5a5783dcf4ef738835d4e82b4ffd42ea", kill_on_drop: false }` [INFO] running `Command { std: "docker" "rm" "-f" "84791138ae33345b729e6592e45bbf2c5a5783dcf4ef738835d4e82b4ffd42ea", kill_on_drop: false }` [INFO] [stdout] 84791138ae33345b729e6592e45bbf2c5a5783dcf4ef738835d4e82b4ffd42ea [INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-1-tc1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-1-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:aa71247004a7fa38d13ec170f48f06cdedf5bc50b2a8645e56ed7e992e6fa513" "/opt/rustwide/cargo-home/bin/cargo" "+bca37a20bd376ce3fd138e7cdee7fe704e0f8814" "check" "--frozen" "--all" "--all-targets" "--message-format=json", kill_on_drop: false }` [INFO] [stdout] bf0fef01a72acfb245bfbd99c7092aa511e6def924b0c1392f9353a88092d971 [INFO] running `Command { std: "docker" "start" "-a" "bf0fef01a72acfb245bfbd99c7092aa511e6def924b0c1392f9353a88092d971", kill_on_drop: false }` [INFO] [stderr] Compiling autocfg v1.0.0 [INFO] [stderr] Compiling libc v0.2.68 [INFO] [stderr] Checking cfg-if v0.1.10 [INFO] [stderr] Compiling getrandom v0.1.14 [INFO] [stderr] Compiling memchr v2.3.3 [INFO] [stderr] Compiling log v0.4.8 [INFO] [stderr] Compiling ndarray v0.13.0 [INFO] [stderr] Checking rawpointer v0.2.1 [INFO] [stderr] Checking either v1.5.3 [INFO] [stderr] Checking matrixmultiply v0.2.3 [INFO] [stderr] Checking thread_local v1.0.1 [INFO] [stderr] Checking quick-error v1.2.3 [INFO] [stderr] Checking itertools v0.8.2 [INFO] [stderr] Checking regex-syntax v0.6.17 [INFO] [stderr] Checking ppv-lite86 v0.2.6 [INFO] [stderr] Checking humantime v1.3.0 [INFO] [stderr] Checking termcolor v1.1.0 [INFO] [stderr] Compiling num-traits v0.2.11 [INFO] [stderr] Compiling num-integer v0.1.42 [INFO] [stderr] Compiling num-complex v0.2.4 [INFO] [stderr] Checking aho-corasick v0.7.10 [INFO] [stderr] Checking atty v0.2.14 [INFO] [stderr] Checking rand_core v0.5.1 [INFO] [stderr] Checking rand_chacha v0.2.2 [INFO] [stderr] Checking rand_pcg v0.2.1 [INFO] [stderr] Checking rand v0.7.3 [INFO] [stderr] Checking num-traits v0.1.43 [INFO] [stderr] Checking regex v1.3.6 [INFO] [stderr] Checking env_logger v0.7.1 [INFO] [stderr] Checking sprs v0.7.1 [INFO] [stderr] Checking minilp v0.2.2 (/opt/rustwide/workdir) [INFO] [stdout] warning: variable does not need to be mutable [INFO] [stdout] --> src/ordering.rs:490:17 [INFO] [stdout] | [INFO] [stdout] 490 | let mut cur_step = dfs_stack.last_mut().unwrap(); [INFO] [stdout] | ----^^^^^^^^ [INFO] [stdout] | | [INFO] [stdout] | help: remove this `mut` [INFO] [stdout] | [INFO] [stdout] = note: `#[warn(unused_mut)]` (part of `#[warn(unused)]`) on by default [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: fields `row2col` and `block_cols` are never read [INFO] [stdout] --> src/ordering.rs:547:9 [INFO] [stdout] | [INFO] [stdout] 545 | pub struct BlockDiagForm { [INFO] [stdout] | ------------- fields in this struct [INFO] [stdout] 546 | /// Row permutation: for each original row its new row number so that diag is nonzero. [INFO] [stdout] 547 | pub row2col: Vec, [INFO] [stdout] | ^^^^^^^ [INFO] [stdout] 548 | /// For each block its set of columns (the order of blocks is lower block triangular) [INFO] [stdout] 549 | pub block_cols: Vec>, [INFO] [stdout] | ^^^^^^^^^^ [INFO] [stdout] | [INFO] [stdout] = note: `BlockDiagForm` has derived impls for the traits `Debug` and `Clone`, but these are intentionally ignored during dead code analysis [INFO] [stdout] = note: `#[warn(dead_code)]` (part of `#[warn(unused)]`) on by default [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: hiding a lifetime that's elided elsewhere is confusing [INFO] [stdout] --> src/lib.rs:350:17 [INFO] [stdout] | [INFO] [stdout] 350 | pub fn iter(&self) -> SolutionIter { [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] 350 | pub fn iter(&self) -> SolutionIter<'_> { [INFO] [stdout] | ++++ [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: hiding a lifetime that's elided elsewhere is confusing [INFO] [stdout] --> src/helpers.rs:5:10 [INFO] [stdout] | [INFO] [stdout] 5 | vec: &CsVecBase, [INFO] [stdout] | ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^ the lifetime is elided here [INFO] [stdout] 6 | len: usize, [INFO] [stdout] 7 | ) -> CsVecView [INFO] [stdout] | ^^^^^^^^^^^^^^ the same lifetime is hidden here [INFO] [stdout] | [INFO] [stdout] = help: the same lifetime is referred to in inconsistent ways, making the signature confusing [INFO] [stdout] help: use `'_` for type paths [INFO] [stdout] | [INFO] [stdout] 7 | ) -> CsVecView<'_, f64> [INFO] [stdout] | +++ [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: variable does not need to be mutable [INFO] [stdout] --> src/ordering.rs:490:17 [INFO] [stdout] | [INFO] [stdout] 490 | let mut cur_step = dfs_stack.last_mut().unwrap(); [INFO] [stdout] | ----^^^^^^^^ [INFO] [stdout] | | [INFO] [stdout] | help: remove this `mut` [INFO] [stdout] | [INFO] [stdout] = note: `#[warn(unused_mut)]` (part of `#[warn(unused)]`) on by default [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: hiding a lifetime that's elided elsewhere is confusing [INFO] [stdout] --> src/lib.rs:350:17 [INFO] [stdout] | [INFO] [stdout] 350 | pub fn iter(&self) -> SolutionIter { [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] 350 | pub fn iter(&self) -> SolutionIter<'_> { [INFO] [stdout] | ++++ [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: hiding a lifetime that's elided elsewhere is confusing [INFO] [stdout] --> src/helpers.rs:5:10 [INFO] [stdout] | [INFO] [stdout] 5 | vec: &CsVecBase, [INFO] [stdout] | ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^ the lifetime is elided here [INFO] [stdout] 6 | len: usize, [INFO] [stdout] 7 | ) -> CsVecView [INFO] [stdout] | ^^^^^^^^^^^^^^ the same lifetime is hidden here [INFO] [stdout] | [INFO] [stdout] = help: the same lifetime is referred to in inconsistent ways, making the signature confusing [INFO] [stdout] help: use `'_` for type paths [INFO] [stdout] | [INFO] [stdout] 7 | ) -> CsVecView<'_, f64> [INFO] [stdout] | +++ [INFO] [stdout] [INFO] [stdout] [INFO] [stderr] Finished `dev` profile [unoptimized + debuginfo] target(s) in 12.13s [INFO] running `Command { std: "docker" "inspect" "bf0fef01a72acfb245bfbd99c7092aa511e6def924b0c1392f9353a88092d971", kill_on_drop: false }` [INFO] running `Command { std: "docker" "rm" "-f" "bf0fef01a72acfb245bfbd99c7092aa511e6def924b0c1392f9353a88092d971", kill_on_drop: false }` [INFO] [stdout] bf0fef01a72acfb245bfbd99c7092aa511e6def924b0c1392f9353a88092d971