[INFO] fetching crate optrs 0.1.0...
[INFO] checking optrs-0.1.0 against try#4f260f0f20b3133d20cfb50353c0221943af5796+rustflags=-Dunmustuse_in_always_ok for pr-148577
[INFO] extracting crate optrs 0.1.0 into /workspace/builds/worker-3-tc2/source
[INFO] started tweaking crates.io crate optrs 0.1.0
[INFO] finished tweaking crates.io crate optrs 0.1.0
[INFO] tweaked toml for crates.io crate optrs 0.1.0 written to /workspace/builds/worker-3-tc2/source/Cargo.toml
[INFO] validating manifest of crates.io crate optrs 0.1.0 on toolchain 4f260f0f20b3133d20cfb50353c0221943af5796
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+4f260f0f20b3133d20cfb50353c0221943af5796" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }`
[INFO] crate crates.io crate optrs 0.1.0 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" "+4f260f0f20b3133d20cfb50353c0221943af5796" "fetch" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-3-tc2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-3-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@sha256:4848fb76d95f26979359cc7e45710b1dbc8f3acb7aeedee7c460d7702230f228" "/opt/rustwide/cargo-home/bin/cargo" "+4f260f0f20b3133d20cfb50353c0221943af5796" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] e327e667be7fc04181e7cd45b6a6c3512457702872459fcb6ec17f4c6e19d346
[INFO] running `Command { std: "docker" "start" "-a" "e327e667be7fc04181e7cd45b6a6c3512457702872459fcb6ec17f4c6e19d346", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "e327e667be7fc04181e7cd45b6a6c3512457702872459fcb6ec17f4c6e19d346", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "e327e667be7fc04181e7cd45b6a6c3512457702872459fcb6ec17f4c6e19d346", kill_on_drop: false }`
[INFO] [stdout] e327e667be7fc04181e7cd45b6a6c3512457702872459fcb6ec17f4c6e19d346
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-3-tc2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-3-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 -Dunmustuse_in_always_ok" "-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@sha256:4848fb76d95f26979359cc7e45710b1dbc8f3acb7aeedee7c460d7702230f228" "/opt/rustwide/cargo-home/bin/cargo" "+4f260f0f20b3133d20cfb50353c0221943af5796" "check" "--frozen" "--all" "--all-targets" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] d3b8262f5e9015d52da052121151bf54da59601ff772e6c88179ded45b9533e7
[INFO] running `Command { std: "docker" "start" "-a" "d3b8262f5e9015d52da052121151bf54da59601ff772e6c88179ded45b9533e7", kill_on_drop: false }`
[INFO] [stderr]    Compiling libc v0.2.126
[INFO] [stderr]    Compiling target-lexicon v0.12.4
[INFO] [stderr]    Compiling proc-macro2 v1.0.39
[INFO] [stderr]    Compiling unicode-ident v1.0.0
[INFO] [stderr]    Compiling autocfg v1.1.0
[INFO] [stderr]    Compiling version_check v0.9.4
[INFO] [stderr]    Compiling syn v1.0.95
[INFO] [stderr]    Compiling once_cell v1.12.0
[INFO] [stderr]    Compiling parking_lot_core v0.9.3
[INFO] [stderr]     Checking scopeguard v1.1.0
[INFO] [stderr]     Checking smallvec v1.8.0
[INFO] [stderr]    Compiling heck v0.4.0
[INFO] [stderr]     Checking hashbrown v0.11.2
[INFO] [stderr]    Compiling log v0.4.17
[INFO] [stderr]     Checking ppv-lite86 v0.2.16
[INFO] [stderr]     Checking os_str_bytes v6.1.0
[INFO] [stderr]     Checking unindent v0.1.9
[INFO] [stderr]     Checking textwrap v0.15.0
[INFO] [stderr]     Checking termcolor v1.1.3
[INFO] [stderr]    Compiling indoc v1.0.6
[INFO] [stderr]    Compiling proc-macro-error-attr v1.0.4
[INFO] [stderr]    Compiling proc-macro-error v1.0.4
[INFO] [stderr]     Checking clap_lex v0.2.0
[INFO] [stderr]    Compiling lock_api v0.4.7
[INFO] [stderr]    Compiling indexmap v1.8.2
[INFO] [stderr]     Checking getrandom v0.2.6
[INFO] [stderr]     Checking atty v0.2.14
[INFO] [stderr]    Compiling pyo3-build-config v0.16.5
[INFO] [stderr]     Checking rand_core v0.6.3
[INFO] [stderr]     Checking parking_lot v0.12.0
[INFO] [stderr]    Compiling quote v1.0.18
[INFO] [stderr]     Checking rand_chacha v0.3.1
[INFO] [stderr]     Checking rand v0.8.5
[INFO] [stderr]    Compiling pyo3-ffi v0.16.5
[INFO] [stderr]    Compiling pyo3 v0.16.5
[INFO] [stderr]    Compiling pyo3-macros-backend v0.16.5
[INFO] [stderr]    Compiling clap_derive v3.1.18
[INFO] [stderr]     Checking clap v3.1.18
[INFO] [stderr]    Compiling pyo3-macros v0.16.5
[INFO] [stderr]     Checking optrs v0.1.0 (/opt/rustwide/workdir)
[INFO] [stdout] warning: unused import: `BondOrder`
[INFO] [stdout]  --> src/molecule.rs:7:40
[INFO] [stdout]   |
[INFO] [stdout] 7 | use crate::connectivity::bonds::{Bond, BondOrder};
[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 import: `crate::ff::forcefield::Forcefield`
[INFO] [stdout]  --> src/utils.rs:1:5
[INFO] [stdout]   |
[INFO] [stdout] 1 | use crate::ff::forcefield::Forcefield;
[INFO] [stdout]   |     ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused import: `crate::molecule::Molecule`
[INFO] [stdout]  --> src/utils.rs:2:5
[INFO] [stdout]   |
[INFO] [stdout] 2 | use crate::molecule::Molecule;
[INFO] [stdout]   |     ^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: function `main` is never used
[INFO] [stdout]   --> src/lib.rs:26:4
[INFO] [stdout]    |
[INFO] [stdout] 26 | fn main() { run(CommandLineArguments::parse()) }
[INFO] [stdout]    |    ^^^^
[INFO] [stdout]    |
[INFO] [stdout]    = note: `#[warn(dead_code)]` (part of `#[warn(unused)]`) on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: methods `energy`, `gradient`, `numerical_gradient`, and `has_dihedrals` are never used
[INFO] [stdout]    --> src/molecule.rs:84:12
[INFO] [stdout]     |
[INFO] [stdout]  28 | impl Molecule{
[INFO] [stdout]     | ------------- methods in this implementation
[INFO] [stdout] ...
[INFO] [stdout]  84 |     pub fn energy(&self, forcefield: &mut dyn Forcefield) -> f64{
[INFO] [stdout]     |            ^^^^^^
[INFO] [stdout] ...
[INFO] [stdout]  89 |     pub fn gradient(&mut self,
[INFO] [stdout]     |            ^^^^^^^^
[INFO] [stdout] ...
[INFO] [stdout]  95 |     pub fn numerical_gradient(&mut self,
[INFO] [stdout]     |            ^^^^^^^^^^^^^^^^^^
[INFO] [stdout] ...
[INFO] [stdout] 224 |     fn has_dihedrals(&self) -> bool{
[INFO] [stdout]     |        ^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: method `is_metal` is never used
[INFO] [stdout]   --> src/atoms.rs:96:12
[INFO] [stdout]    |
[INFO] [stdout] 17 | impl Atom {
[INFO] [stdout]    | --------- method in this implementation
[INFO] [stdout] ...
[INFO] [stdout] 96 |     pub fn is_metal(&self) -> bool{
[INFO] [stdout]    |            ^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: associated items `from_integer` and `is_main_group` are never used
[INFO] [stdout]    --> src/atoms.rs:217:12
[INFO] [stdout]     |
[INFO] [stdout] 209 | impl AtomicNumber {
[INFO] [stdout]     | ----------------- associated items in this implementation
[INFO] [stdout] ...
[INFO] [stdout] 217 |     pub fn from_integer(value: usize) -> Result<Self, &'static str>{
[INFO] [stdout]     |            ^^^^^^^^^^^^
[INFO] [stdout] ...
[INFO] [stdout] 327 |     pub fn is_main_group(&self) -> bool{
[INFO] [stdout]     |            ^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: static `METALLIC_ELEMENTS` is never used
[INFO] [stdout]    --> src/atoms.rs:353:8
[INFO] [stdout]     |
[INFO] [stdout] 353 | static METALLIC_ELEMENTS: [&'static str; 92] = [
[INFO] [stdout]     |        ^^^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: methods `involves_idxs` and `force_constant` are never used
[INFO] [stdout]   --> src/ff/forcefield.rs:16:8
[INFO] [stdout]    |
[INFO] [stdout] 14 | pub trait EnergyFunction{
[INFO] [stdout]    |           -------------- methods in this trait
[INFO] [stdout] 15 |
[INFO] [stdout] 16 |     fn involves_idxs(&self, idxs: Vec<usize>) -> bool;
[INFO] [stdout]    |        ^^^^^^^^^^^^^
[INFO] [stdout] 17 |
[INFO] [stdout] 18 |     fn force_constant(&self) -> f64;
[INFO] [stdout]    |        ^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: function `involves_idxs` is never used
[INFO] [stdout]    --> src/ff/angles.rs:174:4
[INFO] [stdout]     |
[INFO] [stdout] 174 | fn involves_idxs(angle: &dyn HarmonicAngle, idxs: Vec<usize>) -> bool {
[INFO] [stdout]     |    ^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: function `i_j_are_in` is never used
[INFO] [stdout]    --> src/ff/nonbonded.rs:106:4
[INFO] [stdout]     |
[INFO] [stdout] 106 | fn i_j_are_in(i: usize, j: usize, idxs: Vec<usize>) -> bool {
[INFO] [stdout]     |    ^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: field `filename` is never read
[INFO] [stdout]   --> src/io/xyz.rs:14:9
[INFO] [stdout]    |
[INFO] [stdout] 12 | pub struct XYZFile{
[INFO] [stdout]    |            ------- field in this struct
[INFO] [stdout] 13 |
[INFO] [stdout] 14 |     pub filename:       String,
[INFO] [stdout]    |         ^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: function `run` is never used
[INFO] [stdout]   --> src/cli.rs:20:8
[INFO] [stdout]    |
[INFO] [stdout] 20 | pub fn run(args: CommandLineArguments) {
[INFO] [stdout]    |        ^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error: this type will no longer be must used: Result<std::string::String, Infallible>
[INFO] [stdout]   --> src/cli.rs:12:5
[INFO] [stdout]    |
[INFO] [stdout] 12 | /     #[clap(index = 1)]
[INFO] [stdout] 13 | |     xyz_filename: String,
[INFO] [stdout]    | |________________________^
[INFO] [stdout]    |
[INFO] [stdout]    = note: requested on the command line with `-D unmustuse-in-always-ok`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error: this type will no longer be must used: Result<std::string::String, Infallible>
[INFO] [stdout]   --> src/cli.rs:15:5
[INFO] [stdout]    |
[INFO] [stdout] 15 | /     #[clap(short, long, default_value="UFF")]
[INFO] [stdout] 16 | |     forcefield: String,
[INFO] [stdout]    | |______________________^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr] error: could not compile `optrs` (lib) due to 2 previous errors; 13 warnings emitted
[INFO] [stderr] warning: build failed, waiting for other jobs to finish...
[INFO] [stdout] warning: field `filename` is never read
[INFO] [stdout]   --> src/io/xyz.rs:14:9
[INFO] [stdout]    |
[INFO] [stdout] 12 | pub struct XYZFile{
[INFO] [stdout]    |            ------- field in this struct
[INFO] [stdout] 13 |
[INFO] [stdout] 14 |     pub filename:       String,
[INFO] [stdout]    |         ^^^^^^^^
[INFO] [stdout]    |
[INFO] [stdout]    = note: `#[warn(dead_code)]` (part of `#[warn(unused)]`) on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error: this type will no longer be must used: Result<std::string::String, Infallible>
[INFO] [stdout]   --> src/cli.rs:12:5
[INFO] [stdout]    |
[INFO] [stdout] 12 | /     #[clap(index = 1)]
[INFO] [stdout] 13 | |     xyz_filename: String,
[INFO] [stdout]    | |________________________^
[INFO] [stdout]    |
[INFO] [stdout]    = note: requested on the command line with `-D unmustuse-in-always-ok`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error: this type will no longer be must used: Result<std::string::String, Infallible>
[INFO] [stdout]   --> src/cli.rs:15:5
[INFO] [stdout]    |
[INFO] [stdout] 15 | /     #[clap(short, long, default_value="UFF")]
[INFO] [stdout] 16 | |     forcefield: String,
[INFO] [stdout]    | |______________________^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr] error: could not compile `optrs` (lib test) due to 2 previous errors; 1 warning emitted
[INFO] running `Command { std: "docker" "inspect" "d3b8262f5e9015d52da052121151bf54da59601ff772e6c88179ded45b9533e7", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "d3b8262f5e9015d52da052121151bf54da59601ff772e6c88179ded45b9533e7", kill_on_drop: false }`
[INFO] [stdout] d3b8262f5e9015d52da052121151bf54da59601ff772e6c88179ded45b9533e7