[INFO] fetching crate rustices 0.1.0... [INFO] checking rustices-0.1.0 against try#7014e13d5becc920d4bea3cd87942c8a13d359bf+rustflags=-Dtail_expr_drop_order for pr-129864 [INFO] extracting crate rustices 0.1.0 into /workspace/builds/worker-1-tc2/source [INFO] validating manifest of crates.io crate rustices 0.1.0 on toolchain 7014e13d5becc920d4bea3cd87942c8a13d359bf [INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+7014e13d5becc920d4bea3cd87942c8a13d359bf" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }` [INFO] started tweaking crates.io crate rustices 0.1.0 [INFO] finished tweaking crates.io crate rustices 0.1.0 [INFO] tweaked toml for crates.io crate rustices 0.1.0 written to /workspace/builds/worker-1-tc2/source/Cargo.toml [INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+7014e13d5becc920d4bea3cd87942c8a13d359bf" "generate-lockfile" "--manifest-path" "Cargo.toml", kill_on_drop: false }` [INFO] [stderr] Blocking waiting for file lock on package cache [INFO] [stderr] Updating crates.io index [INFO] [stderr] Blocking waiting for file lock on package cache [INFO] [stderr] Locking 23 packages to latest compatible versions [INFO] [stderr] Adding num v0.3.1 (available: v0.4.3) [INFO] [stderr] Adding num-bigint v0.3.3 (available: v0.4.6) [INFO] [stderr] Adding num-complex v0.3.1 (available: v0.4.6) [INFO] [stderr] Adding num-rational v0.3.2 (available: v0.4.2) [INFO] [stderr] Adding wasi v0.11.0+wasi-snapshot-preview1 (available: v0.13.2+wasi-0.2.1) [INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+7014e13d5becc920d4bea3cd87942c8a13d359bf" "fetch" "--manifest-path" "Cargo.toml", kill_on_drop: false }` [INFO] [stderr] Blocking waiting for file lock on package cache [INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-1-tc2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-1-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:ceb6ea022f8a89cebbe621bb4987e73a935bd40dfbb726f832cfff4742a5b95a" "/opt/rustwide/cargo-home/bin/cargo" "+7014e13d5becc920d4bea3cd87942c8a13d359bf" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }` [INFO] [stdout] 45b3b2364b8d305d5ec7f02fc08499ca9f939083e4fd5bd928934c454edf5850 [INFO] running `Command { std: "docker" "start" "-a" "45b3b2364b8d305d5ec7f02fc08499ca9f939083e4fd5bd928934c454edf5850", kill_on_drop: false }` [INFO] running `Command { std: "docker" "inspect" "45b3b2364b8d305d5ec7f02fc08499ca9f939083e4fd5bd928934c454edf5850", kill_on_drop: false }` [INFO] running `Command { std: "docker" "rm" "-f" "45b3b2364b8d305d5ec7f02fc08499ca9f939083e4fd5bd928934c454edf5850", kill_on_drop: false }` [INFO] [stdout] 45b3b2364b8d305d5ec7f02fc08499ca9f939083e4fd5bd928934c454edf5850 [INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-1-tc2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-1-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 -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:ceb6ea022f8a89cebbe621bb4987e73a935bd40dfbb726f832cfff4742a5b95a" "/opt/rustwide/cargo-home/bin/cargo" "+7014e13d5becc920d4bea3cd87942c8a13d359bf" "check" "--frozen" "--all" "--all-targets" "--message-format=json", kill_on_drop: false }` [INFO] [stdout] 6808ac2b897ed8689504a7432c4bfdc7090398f1d36f7d11d6672d09630ccc8c [INFO] running `Command { std: "docker" "start" "-a" "6808ac2b897ed8689504a7432c4bfdc7090398f1d36f7d11d6672d09630ccc8c", kill_on_drop: false }` [INFO] [stderr] Compiling num-traits v0.2.19 [INFO] [stderr] Compiling num-bigint v0.3.3 [INFO] [stderr] Compiling libc v0.2.159 [INFO] [stderr] Compiling num-rational v0.3.2 [INFO] [stderr] Compiling zerocopy-derive v0.7.35 [INFO] [stderr] Checking getrandom v0.2.15 [INFO] [stderr] Checking rand_core v0.6.4 [INFO] [stderr] Checking zerocopy v0.7.35 [INFO] [stderr] Checking num-integer v0.1.46 [INFO] [stderr] Checking num-complex v0.3.1 [INFO] [stderr] Checking num-iter v0.1.45 [INFO] [stderr] Checking ppv-lite86 v0.2.20 [INFO] [stderr] Checking rand_chacha v0.3.1 [INFO] [stderr] Checking rand v0.8.5 [INFO] [stderr] Checking num v0.3.1 [INFO] [stderr] Checking rustices v0.1.0 (/opt/rustwide/workdir) [INFO] [stdout] warning: unused import: `std::time::Instant` [INFO] [stdout] --> src/lib.rs:5:5 [INFO] [stdout] | [INFO] [stdout] 5 | use std::time::Instant; [INFO] [stdout] | ^^^^^^^^^^^^^^^^^^ [INFO] [stdout] | [INFO] [stdout] = note: `#[warn(unused_imports)]` on by default [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: unused import: `std::time::Instant` [INFO] [stdout] --> src/lib.rs:5:5 [INFO] [stdout] | [INFO] [stdout] 5 | use std::time::Instant; [INFO] [stdout] | ^^^^^^^^^^^^^^^^^^ [INFO] [stdout] | [INFO] [stdout] = note: `#[warn(unused_imports)]` on by default [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: associated items `from`, `new`, `get_row`, `get_column`, and `set` are never used [INFO] [stdout] --> src/lib.rs:20:8 [INFO] [stdout] | [INFO] [stdout] 19 | impl Matrix { [INFO] [stdout] | ----------------- associated items in this implementation [INFO] [stdout] 20 | fn from(data: Vec>) -> Matrix { [INFO] [stdout] | ^^^^ [INFO] [stdout] ... [INFO] [stdout] 28 | fn new(rows: usize, cols: usize, value: T) -> Matrix [INFO] [stdout] | ^^^ [INFO] [stdout] ... [INFO] [stdout] 49 | fn get_row(&self, row: usize) -> Vec [INFO] [stdout] | ^^^^^^^ [INFO] [stdout] ... [INFO] [stdout] 55 | fn get_column(&self, column: usize) -> Vec [INFO] [stdout] | ^^^^^^^^^^ [INFO] [stdout] ... [INFO] [stdout] 65 | fn set(&mut self, row: usize, col: usize, value: T) { [INFO] [stdout] | ^^^ [INFO] [stdout] | [INFO] [stdout] = note: `#[warn(dead_code)]` on by default [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: associated function `new_random` is never used [INFO] [stdout] --> src/lib.rs:71:8 [INFO] [stdout] | [INFO] [stdout] 70 | impl Matrix { [INFO] [stdout] | ---------------- associated function in this implementation [INFO] [stdout] 71 | fn new_random(rows: usize, cols: usize, min: i32, max: i32) -> Matrix { [INFO] [stdout] | ^^^^^^^^^^ [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: 3 warnings emitted [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: methods `get_row`, `get_column`, and `set` are never used [INFO] [stdout] --> src/lib.rs:49:8 [INFO] [stdout] | [INFO] [stdout] 19 | impl Matrix { [INFO] [stdout] | ----------------- methods in this implementation [INFO] [stdout] ... [INFO] [stdout] 49 | fn get_row(&self, row: usize) -> Vec [INFO] [stdout] | ^^^^^^^ [INFO] [stdout] ... [INFO] [stdout] 55 | fn get_column(&self, column: usize) -> Vec [INFO] [stdout] | ^^^^^^^^^^ [INFO] [stdout] ... [INFO] [stdout] 65 | fn set(&mut self, row: usize, col: usize, value: T) { [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] [stderr] Finished `dev` profile [unoptimized + debuginfo] target(s) in 4.81s [INFO] running `Command { std: "docker" "inspect" "6808ac2b897ed8689504a7432c4bfdc7090398f1d36f7d11d6672d09630ccc8c", kill_on_drop: false }` [INFO] running `Command { std: "docker" "rm" "-f" "6808ac2b897ed8689504a7432c4bfdc7090398f1d36f7d11d6672d09630ccc8c", kill_on_drop: false }` [INFO] [stdout] 6808ac2b897ed8689504a7432c4bfdc7090398f1d36f7d11d6672d09630ccc8c