[INFO] fetching crate minilp 0.2.2... [INFO] building minilp-0.2.2 against master#11663cd3bfefef7d34e8f0892c250bf698049392+rustflags=-Dtail-expr-drop-order for pr-134523 [INFO] extracting crate minilp 0.2.2 into /workspace/builds/worker-5-tc1/source [INFO] validating manifest of crates.io crate minilp 0.2.2 on toolchain 11663cd3bfefef7d34e8f0892c250bf698049392 [INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+11663cd3bfefef7d34e8f0892c250bf698049392" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }` [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-5-tc1/source/Cargo.toml [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" "+11663cd3bfefef7d34e8f0892c250bf698049392" "fetch" "--manifest-path" "Cargo.toml", kill_on_drop: false }` [INFO] [stderr] Downloading crates ... [INFO] [stderr] Downloaded sprs v0.7.1 [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:f3a9d4ad9d972b27faf3965f35b62e55ba32bbce8f20bc8fe909558a86702fde" "/opt/rustwide/cargo-home/bin/cargo" "+11663cd3bfefef7d34e8f0892c250bf698049392" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }` [INFO] [stdout] 4d35a77777eb549058d7f739394191f604cd7a49a347a6a5c97356603dc5975d [INFO] running `Command { std: "docker" "start" "-a" "4d35a77777eb549058d7f739394191f604cd7a49a347a6a5c97356603dc5975d", kill_on_drop: false }` [INFO] running `Command { std: "docker" "inspect" "4d35a77777eb549058d7f739394191f604cd7a49a347a6a5c97356603dc5975d", kill_on_drop: false }` [INFO] running `Command { std: "docker" "rm" "-f" "4d35a77777eb549058d7f739394191f604cd7a49a347a6a5c97356603dc5975d", kill_on_drop: false }` [INFO] [stdout] 4d35a77777eb549058d7f739394191f604cd7a49a347a6a5c97356603dc5975d [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 -Dtail-expr-drop-order" "-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:f3a9d4ad9d972b27faf3965f35b62e55ba32bbce8f20bc8fe909558a86702fde" "/opt/rustwide/cargo-home/bin/cargo" "+11663cd3bfefef7d34e8f0892c250bf698049392" "build" "--frozen" "--message-format=json", kill_on_drop: false }` [INFO] [stdout] bcd517a4d399b82bcd9d3e5bc299d0b4764bbc829c83dc1aba252cdb3964377d [INFO] running `Command { std: "docker" "start" "-a" "bcd517a4d399b82bcd9d3e5bc299d0b4764bbc829c83dc1aba252cdb3964377d", kill_on_drop: false }` [INFO] [stderr] Compiling autocfg v1.0.0 [INFO] [stderr] Compiling ndarray v0.13.0 [INFO] [stderr] Compiling either v1.5.3 [INFO] [stderr] Compiling rawpointer v0.2.1 [INFO] [stderr] Compiling log v0.4.8 [INFO] [stderr] Compiling cfg-if v0.1.10 [INFO] [stderr] Compiling matrixmultiply v0.2.3 [INFO] [stderr] Compiling itertools v0.8.2 [INFO] [stderr] Compiling num-traits v0.2.11 [INFO] [stderr] Compiling num-complex v0.2.4 [INFO] [stderr] Compiling num-integer v0.1.42 [INFO] [stderr] Compiling num-traits v0.1.43 [INFO] [stderr] Compiling sprs v0.7.1 [INFO] [stderr] Compiling 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)]` 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)]` on by default [INFO] [stdout] [INFO] [stdout] [INFO] [stderr] Finished `dev` profile [unoptimized + debuginfo] target(s) in 3.48s [INFO] running `Command { std: "docker" "inspect" "bcd517a4d399b82bcd9d3e5bc299d0b4764bbc829c83dc1aba252cdb3964377d", kill_on_drop: false }` [INFO] running `Command { std: "docker" "rm" "-f" "bcd517a4d399b82bcd9d3e5bc299d0b4764bbc829c83dc1aba252cdb3964377d", kill_on_drop: false }` [INFO] [stdout] bcd517a4d399b82bcd9d3e5bc299d0b4764bbc829c83dc1aba252cdb3964377d [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 -Dtail-expr-drop-order" "-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:f3a9d4ad9d972b27faf3965f35b62e55ba32bbce8f20bc8fe909558a86702fde" "/opt/rustwide/cargo-home/bin/cargo" "+11663cd3bfefef7d34e8f0892c250bf698049392" "test" "--frozen" "--no-run" "--message-format=json", kill_on_drop: false }` [INFO] [stdout] 186da8e58b6cab9b98f9eab3a9eb5a93a972c4e5c7911a9f1a7da0216d3a8553 [INFO] running `Command { std: "docker" "start" "-a" "186da8e58b6cab9b98f9eab3a9eb5a93a972c4e5c7911a9f1a7da0216d3a8553", kill_on_drop: false }` [INFO] [stderr] Compiling libc v0.2.68 [INFO] [stderr] Compiling getrandom v0.1.14 [INFO] [stderr] Compiling memchr v2.3.3 [INFO] [stderr] Compiling thread_local v1.0.1 [INFO] [stderr] Compiling ppv-lite86 v0.2.6 [INFO] [stderr] Compiling quick-error v1.2.3 [INFO] [stderr] Compiling regex-syntax v0.6.17 [INFO] [stderr] Compiling termcolor v1.1.0 [INFO] [stderr] Compiling humantime v1.3.0 [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)]` 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)]` on by default [INFO] [stdout] [INFO] [stdout] [INFO] [stderr] Compiling aho-corasick v0.7.10 [INFO] [stderr] Compiling atty v0.2.14 [INFO] [stderr] Compiling rand_core v0.5.1 [INFO] [stderr] Compiling rand_chacha v0.2.2 [INFO] [stderr] Compiling rand_pcg v0.2.1 [INFO] [stderr] Compiling rand v0.7.3 [INFO] [stderr] Compiling regex v1.3.6 [INFO] [stderr] Compiling env_logger v0.7.1 [INFO] [stderr] Compiling 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)]` on by default [INFO] [stdout] [INFO] [stdout] [INFO] [stderr] Finished `test` profile [unoptimized + debuginfo] target(s) in 6.53s [INFO] running `Command { std: "docker" "inspect" "186da8e58b6cab9b98f9eab3a9eb5a93a972c4e5c7911a9f1a7da0216d3a8553", kill_on_drop: false }` [INFO] running `Command { std: "docker" "rm" "-f" "186da8e58b6cab9b98f9eab3a9eb5a93a972c4e5c7911a9f1a7da0216d3a8553", kill_on_drop: false }` [INFO] [stdout] 186da8e58b6cab9b98f9eab3a9eb5a93a972c4e5c7911a9f1a7da0216d3a8553