[INFO] fetching crate symb 0.0.1... [INFO] testing symb-0.0.1 against try#2440211fe03bc45c89b6dc1a3df18382ce91e32b for pr-146098-1 [INFO] extracting crate symb 0.0.1 into /workspace/builds/worker-4-tc2/source [INFO] started tweaking crates.io crate symb 0.0.1 [INFO] finished tweaking crates.io crate symb 0.0.1 [INFO] tweaked toml for crates.io crate symb 0.0.1 written to /workspace/builds/worker-4-tc2/source/Cargo.toml [INFO] validating manifest of crates.io crate symb 0.0.1 on toolchain 2440211fe03bc45c89b6dc1a3df18382ce91e32b [INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+2440211fe03bc45c89b6dc1a3df18382ce91e32b" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }` [INFO] crate crates.io crate symb 0.0.1 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" "+2440211fe03bc45c89b6dc1a3df18382ce91e32b" "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-4-tc2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-4-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:e90291280db7d1fac5b66fc6dad9f9662629e7365a55743daf9bdf73ebc4ea79" "/opt/rustwide/cargo-home/bin/cargo" "+2440211fe03bc45c89b6dc1a3df18382ce91e32b" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }` [INFO] [stdout] 3b07b30602aee174a44497b713b6a0a8df7852a273f914deb26522d742f53fe9 [INFO] running `Command { std: "docker" "start" "-a" "3b07b30602aee174a44497b713b6a0a8df7852a273f914deb26522d742f53fe9", kill_on_drop: false }` [INFO] running `Command { std: "docker" "inspect" "3b07b30602aee174a44497b713b6a0a8df7852a273f914deb26522d742f53fe9", kill_on_drop: false }` [INFO] running `Command { std: "docker" "rm" "-f" "3b07b30602aee174a44497b713b6a0a8df7852a273f914deb26522d742f53fe9", kill_on_drop: false }` [INFO] [stdout] 3b07b30602aee174a44497b713b6a0a8df7852a273f914deb26522d742f53fe9 [INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-4-tc2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-4-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" "-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:e90291280db7d1fac5b66fc6dad9f9662629e7365a55743daf9bdf73ebc4ea79" "/opt/rustwide/cargo-home/bin/cargo" "+2440211fe03bc45c89b6dc1a3df18382ce91e32b" "build" "--frozen" "--message-format=json", kill_on_drop: false }` [INFO] [stdout] c96429d5b80fffa6131efe97fd3cb46dccc962ee38c03615fb355aa7f1b91031 [INFO] running `Command { std: "docker" "start" "-a" "c96429d5b80fffa6131efe97fd3cb46dccc962ee38c03615fb355aa7f1b91031", kill_on_drop: false }` [INFO] [stderr] Compiling itertools v0.10.1 [INFO] [stderr] Compiling symb v0.0.1 (/opt/rustwide/workdir) [INFO] [stdout] warning: unused import: `itertools::structs::Unique` [INFO] [stdout] --> src/lib.rs:9:5 [INFO] [stdout] | [INFO] [stdout] 9 | use itertools::structs::Unique; [INFO] [stdout] | ^^^^^^^^^^^^^^^^^^^^^^^^^^ [INFO] [stdout] | [INFO] [stdout] = note: `#[warn(unused_imports)]` (part of `#[warn(unused)]`) on by default [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: unused variable: `x` [INFO] [stdout] --> src/lib.rs:261:27 [INFO] [stdout] | [INFO] [stdout] 261 | (Self::Vector(x), Self::Matrix(y, shape)) => panic!("Cannot add vector to matrix elementwise"), [INFO] [stdout] | ^ help: if this is intentional, prefix it with an underscore: `_x` [INFO] [stdout] | [INFO] [stdout] = note: `#[warn(unused_variables)]` (part of `#[warn(unused)]`) on by default [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: unused variable: `y` [INFO] [stdout] --> src/lib.rs:261:44 [INFO] [stdout] | [INFO] [stdout] 261 | (Self::Vector(x), Self::Matrix(y, shape)) => panic!("Cannot add vector to matrix elementwise"), [INFO] [stdout] | ^ help: if this is intentional, prefix it with an underscore: `_y` [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: unused variable: `shape` [INFO] [stdout] --> src/lib.rs:261:47 [INFO] [stdout] | [INFO] [stdout] 261 | (Self::Vector(x), Self::Matrix(y, shape)) => panic!("Cannot add vector to matrix elementwise"), [INFO] [stdout] | ^^^^^ help: if this is intentional, prefix it with an underscore: `_shape` [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: unused variable: `x` [INFO] [stdout] --> src/lib.rs:279:27 [INFO] [stdout] | [INFO] [stdout] 279 | (Self::Vector(x), Self::Matrix(y, shape)) => panic!("Cannot sub vector to matrix elementwise"), [INFO] [stdout] | ^ help: if this is intentional, prefix it with an underscore: `_x` [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: unused variable: `y` [INFO] [stdout] --> src/lib.rs:279:44 [INFO] [stdout] | [INFO] [stdout] 279 | (Self::Vector(x), Self::Matrix(y, shape)) => panic!("Cannot sub vector to matrix elementwise"), [INFO] [stdout] | ^ help: if this is intentional, prefix it with an underscore: `_y` [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: unused variable: `shape` [INFO] [stdout] --> src/lib.rs:279:47 [INFO] [stdout] | [INFO] [stdout] 279 | (Self::Vector(x), Self::Matrix(y, shape)) => panic!("Cannot sub vector to matrix elementwise"), [INFO] [stdout] | ^^^^^ help: if this is intentional, prefix it with an underscore: `_shape` [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: unused variable: `x` [INFO] [stdout] --> src/lib.rs:297:27 [INFO] [stdout] | [INFO] [stdout] 297 | (Self::Vector(x), Self::Matrix(y, shape)) => panic!("Cannot mul vector to matrix elementwise"), [INFO] [stdout] | ^ help: if this is intentional, prefix it with an underscore: `_x` [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: unused variable: `y` [INFO] [stdout] --> src/lib.rs:297:44 [INFO] [stdout] | [INFO] [stdout] 297 | (Self::Vector(x), Self::Matrix(y, shape)) => panic!("Cannot mul vector to matrix elementwise"), [INFO] [stdout] | ^ help: if this is intentional, prefix it with an underscore: `_y` [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: unused variable: `shape` [INFO] [stdout] --> src/lib.rs:297:47 [INFO] [stdout] | [INFO] [stdout] 297 | (Self::Vector(x), Self::Matrix(y, shape)) => panic!("Cannot mul vector to matrix elementwise"), [INFO] [stdout] | ^^^^^ help: if this is intentional, prefix it with an underscore: `_shape` [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: unused variable: `x` [INFO] [stdout] --> src/lib.rs:315:27 [INFO] [stdout] | [INFO] [stdout] 315 | (Self::Vector(x), Self::Matrix(y, shape)) => panic!("Cannot div vector to matrix elementwise"), [INFO] [stdout] | ^ help: if this is intentional, prefix it with an underscore: `_x` [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: unused variable: `y` [INFO] [stdout] --> src/lib.rs:315:44 [INFO] [stdout] | [INFO] [stdout] 315 | (Self::Vector(x), Self::Matrix(y, shape)) => panic!("Cannot div vector to matrix elementwise"), [INFO] [stdout] | ^ help: if this is intentional, prefix it with an underscore: `_y` [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: unused variable: `shape` [INFO] [stdout] --> src/lib.rs:315:47 [INFO] [stdout] | [INFO] [stdout] 315 | (Self::Vector(x), Self::Matrix(y, shape)) => panic!("Cannot div vector to matrix elementwise"), [INFO] [stdout] | ^^^^^ help: if this is intentional, prefix it with an underscore: `_shape` [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: unused variable: `x` [INFO] [stdout] --> src/lib.rs:332:27 [INFO] [stdout] | [INFO] [stdout] 332 | (Self::Vector(x), Self::Matrix(y, shape)) => panic!("Cannot exp vector to matrix elementwise"), [INFO] [stdout] | ^ help: if this is intentional, prefix it with an underscore: `_x` [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: unused variable: `y` [INFO] [stdout] --> src/lib.rs:332:44 [INFO] [stdout] | [INFO] [stdout] 332 | (Self::Vector(x), Self::Matrix(y, shape)) => panic!("Cannot exp vector to matrix elementwise"), [INFO] [stdout] | ^ help: if this is intentional, prefix it with an underscore: `_y` [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: unused variable: `shape` [INFO] [stdout] --> src/lib.rs:332:47 [INFO] [stdout] | [INFO] [stdout] 332 | (Self::Vector(x), Self::Matrix(y, shape)) => panic!("Cannot exp vector to matrix elementwise"), [INFO] [stdout] | ^^^^^ help: if this is intentional, prefix it with an underscore: `_shape` [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: unused variable: `op` [INFO] [stdout] --> src/lib.rs:407:28 [INFO] [stdout] | [INFO] [stdout] 407 | Self::Operator(op, args) => { [INFO] [stdout] | ^^ help: if this is intentional, prefix it with an underscore: `_op` [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: unused variable: `v` [INFO] [stdout] --> src/lib.rs:444:26 [INFO] [stdout] | [INFO] [stdout] 444 | Self::Matrix(v, shape) => unimplemented!(), [INFO] [stdout] | ^ help: if this is intentional, prefix it with an underscore: `_v` [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: unused variable: `shape` [INFO] [stdout] --> src/lib.rs:444:29 [INFO] [stdout] | [INFO] [stdout] 444 | Self::Matrix(v, shape) => unimplemented!(), [INFO] [stdout] | ^^^^^ help: if this is intentional, prefix it with an underscore: `_shape` [INFO] [stdout] [INFO] [stdout] [INFO] [stderr] Finished `dev` profile [unoptimized + debuginfo] target(s) in 2.20s [INFO] running `Command { std: "docker" "inspect" "c96429d5b80fffa6131efe97fd3cb46dccc962ee38c03615fb355aa7f1b91031", kill_on_drop: false }` [INFO] running `Command { std: "docker" "rm" "-f" "c96429d5b80fffa6131efe97fd3cb46dccc962ee38c03615fb355aa7f1b91031", kill_on_drop: false }` [INFO] [stdout] c96429d5b80fffa6131efe97fd3cb46dccc962ee38c03615fb355aa7f1b91031 [INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-4-tc2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-4-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" "-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:e90291280db7d1fac5b66fc6dad9f9662629e7365a55743daf9bdf73ebc4ea79" "/opt/rustwide/cargo-home/bin/cargo" "+2440211fe03bc45c89b6dc1a3df18382ce91e32b" "test" "--frozen" "--no-run" "--message-format=json", kill_on_drop: false }` [INFO] [stdout] 22f395af3218f18f19afed13ac95ad3ae3d0149d9e5d74e602711a844b95f76e [INFO] running `Command { std: "docker" "start" "-a" "22f395af3218f18f19afed13ac95ad3ae3d0149d9e5d74e602711a844b95f76e", kill_on_drop: false }` [INFO] [stdout] warning: unused import: `itertools::structs::Unique` [INFO] [stdout] --> src/lib.rs:9:5 [INFO] [stdout] | [INFO] [stdout] 9 | use itertools::structs::Unique; [INFO] [stdout] | ^^^^^^^^^^^^^^^^^^^^^^^^^^ [INFO] [stdout] | [INFO] [stdout] = note: `#[warn(unused_imports)]` (part of `#[warn(unused)]`) on by default [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: unused variable: `x` [INFO] [stdout] --> src/lib.rs:261:27 [INFO] [stdout] | [INFO] [stdout] 261 | (Self::Vector(x), Self::Matrix(y, shape)) => panic!("Cannot add vector to matrix elementwise"), [INFO] [stdout] | ^ help: if this is intentional, prefix it with an underscore: `_x` [INFO] [stdout] | [INFO] [stdout] = note: `#[warn(unused_variables)]` (part of `#[warn(unused)]`) on by default [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: unused variable: `y` [INFO] [stdout] --> src/lib.rs:261:44 [INFO] [stdout] | [INFO] [stdout] 261 | (Self::Vector(x), Self::Matrix(y, shape)) => panic!("Cannot add vector to matrix elementwise"), [INFO] [stdout] | ^ help: if this is intentional, prefix it with an underscore: `_y` [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: unused variable: `shape` [INFO] [stdout] --> src/lib.rs:261:47 [INFO] [stdout] | [INFO] [stdout] 261 | (Self::Vector(x), Self::Matrix(y, shape)) => panic!("Cannot add vector to matrix elementwise"), [INFO] [stdout] | ^^^^^ help: if this is intentional, prefix it with an underscore: `_shape` [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: unused variable: `x` [INFO] [stdout] --> src/lib.rs:279:27 [INFO] [stdout] | [INFO] [stdout] 279 | (Self::Vector(x), Self::Matrix(y, shape)) => panic!("Cannot sub vector to matrix elementwise"), [INFO] [stdout] | ^ help: if this is intentional, prefix it with an underscore: `_x` [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: unused variable: `y` [INFO] [stdout] --> src/lib.rs:279:44 [INFO] [stdout] | [INFO] [stdout] 279 | (Self::Vector(x), Self::Matrix(y, shape)) => panic!("Cannot sub vector to matrix elementwise"), [INFO] [stdout] | ^ help: if this is intentional, prefix it with an underscore: `_y` [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: unused variable: `shape` [INFO] [stdout] --> src/lib.rs:279:47 [INFO] [stdout] | [INFO] [stdout] 279 | (Self::Vector(x), Self::Matrix(y, shape)) => panic!("Cannot sub vector to matrix elementwise"), [INFO] [stdout] | ^^^^^ help: if this is intentional, prefix it with an underscore: `_shape` [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: unused variable: `x` [INFO] [stdout] --> src/lib.rs:297:27 [INFO] [stdout] | [INFO] [stdout] 297 | (Self::Vector(x), Self::Matrix(y, shape)) => panic!("Cannot mul vector to matrix elementwise"), [INFO] [stdout] | ^ help: if this is intentional, prefix it with an underscore: `_x` [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: unused variable: `y` [INFO] [stdout] --> src/lib.rs:297:44 [INFO] [stdout] | [INFO] [stdout] 297 | (Self::Vector(x), Self::Matrix(y, shape)) => panic!("Cannot mul vector to matrix elementwise"), [INFO] [stdout] | ^ help: if this is intentional, prefix it with an underscore: `_y` [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: unused variable: `shape` [INFO] [stdout] --> src/lib.rs:297:47 [INFO] [stdout] | [INFO] [stdout] 297 | (Self::Vector(x), Self::Matrix(y, shape)) => panic!("Cannot mul vector to matrix elementwise"), [INFO] [stdout] | ^^^^^ help: if this is intentional, prefix it with an underscore: `_shape` [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: unused variable: `x` [INFO] [stdout] --> src/lib.rs:315:27 [INFO] [stdout] | [INFO] [stdout] 315 | (Self::Vector(x), Self::Matrix(y, shape)) => panic!("Cannot div vector to matrix elementwise"), [INFO] [stdout] | ^ help: if this is intentional, prefix it with an underscore: `_x` [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: unused variable: `y` [INFO] [stdout] --> src/lib.rs:315:44 [INFO] [stdout] | [INFO] [stdout] 315 | (Self::Vector(x), Self::Matrix(y, shape)) => panic!("Cannot div vector to matrix elementwise"), [INFO] [stdout] | ^ help: if this is intentional, prefix it with an underscore: `_y` [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: unused variable: `shape` [INFO] [stdout] --> src/lib.rs:315:47 [INFO] [stdout] | [INFO] [stdout] 315 | (Self::Vector(x), Self::Matrix(y, shape)) => panic!("Cannot div vector to matrix elementwise"), [INFO] [stdout] | ^^^^^ help: if this is intentional, prefix it with an underscore: `_shape` [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: unused variable: `x` [INFO] [stdout] --> src/lib.rs:332:27 [INFO] [stdout] | [INFO] [stdout] 332 | (Self::Vector(x), Self::Matrix(y, shape)) => panic!("Cannot exp vector to matrix elementwise"), [INFO] [stdout] | ^ help: if this is intentional, prefix it with an underscore: `_x` [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: unused variable: `y` [INFO] [stdout] --> src/lib.rs:332:44 [INFO] [stdout] | [INFO] [stdout] 332 | (Self::Vector(x), Self::Matrix(y, shape)) => panic!("Cannot exp vector to matrix elementwise"), [INFO] [stdout] | ^ help: if this is intentional, prefix it with an underscore: `_y` [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: unused variable: `shape` [INFO] [stdout] --> src/lib.rs:332:47 [INFO] [stdout] | [INFO] [stdout] 332 | (Self::Vector(x), Self::Matrix(y, shape)) => panic!("Cannot exp vector to matrix elementwise"), [INFO] [stdout] | ^^^^^ help: if this is intentional, prefix it with an underscore: `_shape` [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: unused variable: `op` [INFO] [stdout] --> src/lib.rs:407:28 [INFO] [stdout] | [INFO] [stdout] 407 | Self::Operator(op, args) => { [INFO] [stdout] | ^^ help: if this is intentional, prefix it with an underscore: `_op` [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: unused variable: `v` [INFO] [stdout] --> src/lib.rs:444:26 [INFO] [stdout] | [INFO] [stdout] 444 | Self::Matrix(v, shape) => unimplemented!(), [INFO] [stdout] | ^ help: if this is intentional, prefix it with an underscore: `_v` [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: unused variable: `shape` [INFO] [stdout] --> src/lib.rs:444:29 [INFO] [stdout] | [INFO] [stdout] 444 | Self::Matrix(v, shape) => unimplemented!(), [INFO] [stdout] | ^^^^^ help: if this is intentional, prefix it with an underscore: `_shape` [INFO] [stdout] [INFO] [stdout] [INFO] [stderr] Compiling symb v0.0.1 (/opt/rustwide/workdir) [INFO] [stdout] warning: variable does not need to be mutable [INFO] [stdout] --> examples/kernel.rs:8:9 [INFO] [stdout] | [INFO] [stdout] 8 | let mut expression = Expression::from_str("(x+y)/z").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: unused import: `itertools::structs::Unique` [INFO] [stdout] --> src/lib.rs:9:5 [INFO] [stdout] | [INFO] [stdout] 9 | use itertools::structs::Unique; [INFO] [stdout] | ^^^^^^^^^^^^^^^^^^^^^^^^^^ [INFO] [stdout] | [INFO] [stdout] = note: `#[warn(unused_imports)]` (part of `#[warn(unused)]`) on by default [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: unused variable: `x` [INFO] [stdout] --> src/lib.rs:261:27 [INFO] [stdout] | [INFO] [stdout] 261 | (Self::Vector(x), Self::Matrix(y, shape)) => panic!("Cannot add vector to matrix elementwise"), [INFO] [stdout] | ^ help: if this is intentional, prefix it with an underscore: `_x` [INFO] [stdout] | [INFO] [stdout] = note: `#[warn(unused_variables)]` (part of `#[warn(unused)]`) on by default [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: unused variable: `y` [INFO] [stdout] --> src/lib.rs:261:44 [INFO] [stdout] | [INFO] [stdout] 261 | (Self::Vector(x), Self::Matrix(y, shape)) => panic!("Cannot add vector to matrix elementwise"), [INFO] [stdout] | ^ help: if this is intentional, prefix it with an underscore: `_y` [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: unused variable: `shape` [INFO] [stdout] --> src/lib.rs:261:47 [INFO] [stdout] | [INFO] [stdout] 261 | (Self::Vector(x), Self::Matrix(y, shape)) => panic!("Cannot add vector to matrix elementwise"), [INFO] [stdout] | ^^^^^ help: if this is intentional, prefix it with an underscore: `_shape` [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: unused variable: `x` [INFO] [stdout] --> src/lib.rs:279:27 [INFO] [stdout] | [INFO] [stdout] 279 | (Self::Vector(x), Self::Matrix(y, shape)) => panic!("Cannot sub vector to matrix elementwise"), [INFO] [stdout] | ^ help: if this is intentional, prefix it with an underscore: `_x` [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: unused variable: `y` [INFO] [stdout] --> src/lib.rs:279:44 [INFO] [stdout] | [INFO] [stdout] 279 | (Self::Vector(x), Self::Matrix(y, shape)) => panic!("Cannot sub vector to matrix elementwise"), [INFO] [stdout] | ^ help: if this is intentional, prefix it with an underscore: `_y` [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: unused variable: `shape` [INFO] [stdout] --> src/lib.rs:279:47 [INFO] [stdout] | [INFO] [stdout] 279 | (Self::Vector(x), Self::Matrix(y, shape)) => panic!("Cannot sub vector to matrix elementwise"), [INFO] [stdout] | ^^^^^ help: if this is intentional, prefix it with an underscore: `_shape` [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: unused variable: `x` [INFO] [stdout] --> src/lib.rs:297:27 [INFO] [stdout] | [INFO] [stdout] 297 | (Self::Vector(x), Self::Matrix(y, shape)) => panic!("Cannot mul vector to matrix elementwise"), [INFO] [stdout] | ^ help: if this is intentional, prefix it with an underscore: `_x` [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: unused variable: `y` [INFO] [stdout] --> src/lib.rs:297:44 [INFO] [stdout] | [INFO] [stdout] 297 | (Self::Vector(x), Self::Matrix(y, shape)) => panic!("Cannot mul vector to matrix elementwise"), [INFO] [stdout] | ^ help: if this is intentional, prefix it with an underscore: `_y` [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: unused variable: `shape` [INFO] [stdout] --> src/lib.rs:297:47 [INFO] [stdout] | [INFO] [stdout] 297 | (Self::Vector(x), Self::Matrix(y, shape)) => panic!("Cannot mul vector to matrix elementwise"), [INFO] [stdout] | ^^^^^ help: if this is intentional, prefix it with an underscore: `_shape` [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: unused variable: `x` [INFO] [stdout] --> src/lib.rs:315:27 [INFO] [stdout] | [INFO] [stdout] 315 | (Self::Vector(x), Self::Matrix(y, shape)) => panic!("Cannot div vector to matrix elementwise"), [INFO] [stdout] | ^ help: if this is intentional, prefix it with an underscore: `_x` [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: unused variable: `y` [INFO] [stdout] --> src/lib.rs:315:44 [INFO] [stdout] | [INFO] [stdout] 315 | (Self::Vector(x), Self::Matrix(y, shape)) => panic!("Cannot div vector to matrix elementwise"), [INFO] [stdout] | ^ help: if this is intentional, prefix it with an underscore: `_y` [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: unused variable: `shape` [INFO] [stdout] --> src/lib.rs:315:47 [INFO] [stdout] | [INFO] [stdout] 315 | (Self::Vector(x), Self::Matrix(y, shape)) => panic!("Cannot div vector to matrix elementwise"), [INFO] [stdout] | ^^^^^ help: if this is intentional, prefix it with an underscore: `_shape` [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: unused variable: `x` [INFO] [stdout] --> src/lib.rs:332:27 [INFO] [stdout] | [INFO] [stdout] 332 | (Self::Vector(x), Self::Matrix(y, shape)) => panic!("Cannot exp vector to matrix elementwise"), [INFO] [stdout] | ^ help: if this is intentional, prefix it with an underscore: `_x` [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: unused variable: `y` [INFO] [stdout] --> src/lib.rs:332:44 [INFO] [stdout] | [INFO] [stdout] 332 | (Self::Vector(x), Self::Matrix(y, shape)) => panic!("Cannot exp vector to matrix elementwise"), [INFO] [stdout] | ^ help: if this is intentional, prefix it with an underscore: `_y` [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: unused variable: `shape` [INFO] [stdout] --> src/lib.rs:332:47 [INFO] [stdout] | [INFO] [stdout] 332 | (Self::Vector(x), Self::Matrix(y, shape)) => panic!("Cannot exp vector to matrix elementwise"), [INFO] [stdout] | ^^^^^ help: if this is intentional, prefix it with an underscore: `_shape` [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: unused variable: `op` [INFO] [stdout] --> src/lib.rs:407:28 [INFO] [stdout] | [INFO] [stdout] 407 | Self::Operator(op, args) => { [INFO] [stdout] | ^^ help: if this is intentional, prefix it with an underscore: `_op` [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: unused variable: `v` [INFO] [stdout] --> src/lib.rs:444:26 [INFO] [stdout] | [INFO] [stdout] 444 | Self::Matrix(v, shape) => unimplemented!(), [INFO] [stdout] | ^ help: if this is intentional, prefix it with an underscore: `_v` [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: unused variable: `shape` [INFO] [stdout] --> src/lib.rs:444:29 [INFO] [stdout] | [INFO] [stdout] 444 | Self::Matrix(v, shape) => unimplemented!(), [INFO] [stdout] | ^^^^^ help: if this is intentional, prefix it with an underscore: `_shape` [INFO] [stdout] [INFO] [stdout] [INFO] [stderr] Finished `test` profile [unoptimized + debuginfo] target(s) in 0.94s [INFO] running `Command { std: "docker" "inspect" "22f395af3218f18f19afed13ac95ad3ae3d0149d9e5d74e602711a844b95f76e", kill_on_drop: false }` [INFO] running `Command { std: "docker" "rm" "-f" "22f395af3218f18f19afed13ac95ad3ae3d0149d9e5d74e602711a844b95f76e", kill_on_drop: false }` [INFO] [stdout] 22f395af3218f18f19afed13ac95ad3ae3d0149d9e5d74e602711a844b95f76e [INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-4-tc2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-4-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" "-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:e90291280db7d1fac5b66fc6dad9f9662629e7365a55743daf9bdf73ebc4ea79" "/opt/rustwide/cargo-home/bin/cargo" "+2440211fe03bc45c89b6dc1a3df18382ce91e32b" "test" "--frozen", kill_on_drop: false }` [INFO] [stdout] 313671653e882dfd4c2c604eab205aa00ba7ad8892471f6b0f81ad937ada7577 [INFO] running `Command { std: "docker" "start" "-a" "313671653e882dfd4c2c604eab205aa00ba7ad8892471f6b0f81ad937ada7577", kill_on_drop: false }` [INFO] [stderr] warning: unused import: `itertools::structs::Unique` [INFO] [stderr] --> src/lib.rs:9:5 [INFO] [stderr] | [INFO] [stderr] 9 | use itertools::structs::Unique; [INFO] [stderr] | ^^^^^^^^^^^^^^^^^^^^^^^^^^ [INFO] [stderr] | [INFO] [stderr] = note: `#[warn(unused_imports)]` (part of `#[warn(unused)]`) on by default [INFO] [stderr] [INFO] [stderr] warning: unused variable: `x` [INFO] [stderr] --> src/lib.rs:261:27 [INFO] [stderr] | [INFO] [stderr] 261 | (Self::Vector(x), Self::Matrix(y, shape)) => panic!("Cannot add vector to matrix elementwise"), [INFO] [stderr] | ^ help: if this is intentional, prefix it with an underscore: `_x` [INFO] [stderr] | [INFO] [stderr] = note: `#[warn(unused_variables)]` (part of `#[warn(unused)]`) on by default [INFO] [stderr] [INFO] [stderr] warning: unused variable: `y` [INFO] [stderr] --> src/lib.rs:261:44 [INFO] [stderr] | [INFO] [stderr] 261 | (Self::Vector(x), Self::Matrix(y, shape)) => panic!("Cannot add vector to matrix elementwise"), [INFO] [stderr] | ^ help: if this is intentional, prefix it with an underscore: `_y` [INFO] [stderr] [INFO] [stderr] warning: unused variable: `shape` [INFO] [stderr] --> src/lib.rs:261:47 [INFO] [stderr] | [INFO] [stderr] 261 | (Self::Vector(x), Self::Matrix(y, shape)) => panic!("Cannot add vector to matrix elementwise"), [INFO] [stderr] | ^^^^^ help: if this is intentional, prefix it with an underscore: `_shape` [INFO] [stderr] [INFO] [stderr] warning: unused variable: `x` [INFO] [stderr] --> src/lib.rs:279:27 [INFO] [stderr] | [INFO] [stderr] 279 | (Self::Vector(x), Self::Matrix(y, shape)) => panic!("Cannot sub vector to matrix elementwise"), [INFO] [stderr] | ^ help: if this is intentional, prefix it with an underscore: `_x` [INFO] [stderr] [INFO] [stderr] warning: unused variable: `y` [INFO] [stderr] --> src/lib.rs:279:44 [INFO] [stderr] | [INFO] [stderr] 279 | (Self::Vector(x), Self::Matrix(y, shape)) => panic!("Cannot sub vector to matrix elementwise"), [INFO] [stderr] | ^ help: if this is intentional, prefix it with an underscore: `_y` [INFO] [stderr] [INFO] [stderr] warning: unused variable: `shape` [INFO] [stderr] --> src/lib.rs:279:47 [INFO] [stderr] | [INFO] [stderr] 279 | (Self::Vector(x), Self::Matrix(y, shape)) => panic!("Cannot sub vector to matrix elementwise"), [INFO] [stderr] | ^^^^^ help: if this is intentional, prefix it with an underscore: `_shape` [INFO] [stderr] [INFO] [stderr] warning: unused variable: `x` [INFO] [stderr] --> src/lib.rs:297:27 [INFO] [stderr] | [INFO] [stderr] 297 | (Self::Vector(x), Self::Matrix(y, shape)) => panic!("Cannot mul vector to matrix elementwise"), [INFO] [stderr] | ^ help: if this is intentional, prefix it with an underscore: `_x` [INFO] [stderr] [INFO] [stderr] warning: unused variable: `y` [INFO] [stderr] --> src/lib.rs:297:44 [INFO] [stderr] | [INFO] [stderr] 297 | (Self::Vector(x), Self::Matrix(y, shape)) => panic!("Cannot mul vector to matrix elementwise"), [INFO] [stderr] | ^ help: if this is intentional, prefix it with an underscore: `_y` [INFO] [stderr] [INFO] [stderr] warning: unused variable: `shape` [INFO] [stderr] --> src/lib.rs:297:47 [INFO] [stderr] | [INFO] [stderr] 297 | (Self::Vector(x), Self::Matrix(y, shape)) => panic!("Cannot mul vector to matrix elementwise"), [INFO] [stderr] | ^^^^^ help: if this is intentional, prefix it with an underscore: `_shape` [INFO] [stderr] [INFO] [stderr] warning: unused variable: `x` [INFO] [stderr] --> src/lib.rs:315:27 [INFO] [stderr] | [INFO] [stderr] 315 | (Self::Vector(x), Self::Matrix(y, shape)) => panic!("Cannot div vector to matrix elementwise"), [INFO] [stderr] | ^ help: if this is intentional, prefix it with an underscore: `_x` [INFO] [stderr] [INFO] [stderr] warning: unused variable: `y` [INFO] [stderr] --> src/lib.rs:315:44 [INFO] [stderr] | [INFO] [stderr] 315 | (Self::Vector(x), Self::Matrix(y, shape)) => panic!("Cannot div vector to matrix elementwise"), [INFO] [stderr] | ^ help: if this is intentional, prefix it with an underscore: `_y` [INFO] [stderr] [INFO] [stderr] warning: unused variable: `shape` [INFO] [stderr] --> src/lib.rs:315:47 [INFO] [stderr] | [INFO] [stderr] 315 | (Self::Vector(x), Self::Matrix(y, shape)) => panic!("Cannot div vector to matrix elementwise"), [INFO] [stderr] | ^^^^^ help: if this is intentional, prefix it with an underscore: `_shape` [INFO] [stderr] [INFO] [stderr] warning: unused variable: `x` [INFO] [stderr] --> src/lib.rs:332:27 [INFO] [stderr] | [INFO] [stderr] 332 | (Self::Vector(x), Self::Matrix(y, shape)) => panic!("Cannot exp vector to matrix elementwise"), [INFO] [stderr] | ^ help: if this is intentional, prefix it with an underscore: `_x` [INFO] [stderr] [INFO] [stderr] warning: unused variable: `y` [INFO] [stderr] --> src/lib.rs:332:44 [INFO] [stderr] | [INFO] [stderr] 332 | (Self::Vector(x), Self::Matrix(y, shape)) => panic!("Cannot exp vector to matrix elementwise"), [INFO] [stderr] | ^ help: if this is intentional, prefix it with an underscore: `_y` [INFO] [stderr] [INFO] [stderr] warning: unused variable: `shape` [INFO] [stderr] --> src/lib.rs:332:47 [INFO] [stderr] | [INFO] [stderr] 332 | (Self::Vector(x), Self::Matrix(y, shape)) => panic!("Cannot exp vector to matrix elementwise"), [INFO] [stderr] | ^^^^^ help: if this is intentional, prefix it with an underscore: `_shape` [INFO] [stderr] [INFO] [stderr] warning: unused variable: `op` [INFO] [stderr] --> src/lib.rs:407:28 [INFO] [stderr] | [INFO] [stderr] 407 | Self::Operator(op, args) => { [INFO] [stderr] | ^^ help: if this is intentional, prefix it with an underscore: `_op` [INFO] [stderr] [INFO] [stderr] warning: unused variable: `v` [INFO] [stderr] --> src/lib.rs:444:26 [INFO] [stderr] | [INFO] [stderr] 444 | Self::Matrix(v, shape) => unimplemented!(), [INFO] [stderr] | ^ help: if this is intentional, prefix it with an underscore: `_v` [INFO] [stderr] [INFO] [stderr] warning: unused variable: `shape` [INFO] [stderr] --> src/lib.rs:444:29 [INFO] [stderr] | [INFO] [stderr] 444 | Self::Matrix(v, shape) => unimplemented!(), [INFO] [stderr] | ^^^^^ help: if this is intentional, prefix it with an underscore: `_shape` [INFO] [stderr] [INFO] [stderr] warning: `symb` (lib) generated 19 warnings (run `cargo fix --lib -p symb` to apply 1 suggestion) [INFO] [stderr] warning: variable does not need to be mutable [INFO] [stderr] --> examples/kernel.rs:8:9 [INFO] [stderr] | [INFO] [stderr] 8 | let mut expression = Expression::from_str("(x+y)/z").unwrap(); [INFO] [stderr] | ----^^^^^^^^^^ [INFO] [stderr] | | [INFO] [stderr] | help: remove this `mut` [INFO] [stderr] | [INFO] [stderr] = note: `#[warn(unused_mut)]` (part of `#[warn(unused)]`) on by default [INFO] [stderr] [INFO] [stderr] warning: `symb` (example "kernel") generated 1 warning (run `cargo fix --example "kernel"` to apply 1 suggestion) [INFO] [stderr] warning: `symb` (lib test) generated 19 warnings (19 duplicates) [INFO] [stderr] Finished `test` profile [unoptimized + debuginfo] target(s) in 0.07s [INFO] [stderr] Running unittests src/lib.rs (/opt/rustwide/target/debug/deps/symb-8ab9efea0c8be899) [INFO] [stdout] [INFO] [stdout] running 0 tests [INFO] [stdout] [INFO] [stdout] test result: ok. 0 passed; 0 failed; 0 ignored; 0 measured; 0 filtered out; finished in 0.00s [INFO] [stdout] [INFO] [stderr] Doc-tests symb [INFO] [stdout] [INFO] [stdout] running 0 tests [INFO] [stdout] [INFO] [stdout] test result: ok. 0 passed; 0 failed; 0 ignored; 0 measured; 0 filtered out; finished in 0.00s [INFO] [stdout] [INFO] running `Command { std: "docker" "inspect" "313671653e882dfd4c2c604eab205aa00ba7ad8892471f6b0f81ad937ada7577", kill_on_drop: false }` [INFO] running `Command { std: "docker" "rm" "-f" "313671653e882dfd4c2c604eab205aa00ba7ad8892471f6b0f81ad937ada7577", kill_on_drop: false }` [INFO] [stdout] 313671653e882dfd4c2c604eab205aa00ba7ad8892471f6b0f81ad937ada7577