[INFO] fetching crate symb 0.0.1... [INFO] checking symb-0.0.1 against master#8c32e313cccf7df531e2d49ffb8227bb92304aee for pr-145608-1 [INFO] extracting crate symb 0.0.1 into /workspace/builds/worker-2-tc1/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-2-tc1/source/Cargo.toml [INFO] validating manifest of crates.io crate symb 0.0.1 on toolchain 8c32e313cccf7df531e2d49ffb8227bb92304aee [INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+8c32e313cccf7df531e2d49ffb8227bb92304aee" "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" "+8c32e313cccf7df531e2d49ffb8227bb92304aee" "fetch" "--manifest-path" "Cargo.toml", kill_on_drop: false }` [INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-2-tc1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-2-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@sha256:7ad1b28ee6f5f7f699f6cf7015098d6ccdd96d6f2d78dd06228f5b4c9faf309c" "/opt/rustwide/cargo-home/bin/cargo" "+8c32e313cccf7df531e2d49ffb8227bb92304aee" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }` [INFO] [stdout] d16ff76fcb530cb20ea1155f4d7e2c40ee8562b24a77906f553739db6112c422 [INFO] running `Command { std: "docker" "start" "-a" "d16ff76fcb530cb20ea1155f4d7e2c40ee8562b24a77906f553739db6112c422", kill_on_drop: false }` [INFO] running `Command { std: "docker" "inspect" "d16ff76fcb530cb20ea1155f4d7e2c40ee8562b24a77906f553739db6112c422", kill_on_drop: false }` [INFO] running `Command { std: "docker" "rm" "-f" "d16ff76fcb530cb20ea1155f4d7e2c40ee8562b24a77906f553739db6112c422", kill_on_drop: false }` [INFO] [stdout] d16ff76fcb530cb20ea1155f4d7e2c40ee8562b24a77906f553739db6112c422 [INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-2-tc1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-2-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@sha256:7ad1b28ee6f5f7f699f6cf7015098d6ccdd96d6f2d78dd06228f5b4c9faf309c" "/opt/rustwide/cargo-home/bin/cargo" "+8c32e313cccf7df531e2d49ffb8227bb92304aee" "check" "--frozen" "--all" "--all-targets" "--message-format=json", kill_on_drop: false }` [INFO] [stdout] 7d3473f7d77d48d18206bb78324b8f4520ac9b2ad85abcf99457c91b8c7b8ab9 [INFO] running `Command { std: "docker" "start" "-a" "7d3473f7d77d48d18206bb78324b8f4520ac9b2ad85abcf99457c91b8c7b8ab9", kill_on_drop: false }` [INFO] [stderr] Checking either v1.6.1 [INFO] [stderr] Checking itertools v0.10.1 [INFO] [stderr] Checking 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)]` 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)]` 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)]` 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] [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)]` 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] [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)]` on by default [INFO] [stdout] [INFO] [stdout] [INFO] [stderr] Finished `dev` profile [unoptimized + debuginfo] target(s) in 2.00s [INFO] running `Command { std: "docker" "inspect" "7d3473f7d77d48d18206bb78324b8f4520ac9b2ad85abcf99457c91b8c7b8ab9", kill_on_drop: false }` [INFO] running `Command { std: "docker" "rm" "-f" "7d3473f7d77d48d18206bb78324b8f4520ac9b2ad85abcf99457c91b8c7b8ab9", kill_on_drop: false }` [INFO] [stdout] 7d3473f7d77d48d18206bb78324b8f4520ac9b2ad85abcf99457c91b8c7b8ab9