Dec 05 15:57:13.053 INFO checking c4-0.1.0 against master#c8ae2de8363be088604ffa2ccba84ff7ad7250bc for pr-56481
Dec 05 15:57:13.053 INFO running `"docker" "create" "-v" "/mnt/big/crater/work/local/target-dirs/pr-56481/worker-6/master#c8ae2de8363be088604ffa2ccba84ff7ad7250bc:/target:rw,Z" "-v" "/mnt/big/crater/work/local/test-source/worker-6/pr-56481/master#c8ae2de8363be088604ffa2ccba84ff7ad7250bc:/source:ro,Z" "-v" "/mnt/big/crater/work/local/cargo-home:/cargo-home:ro,Z" "-v" "/mnt/big/crater/work/local/rustup-home:/rustup-home:ro,Z" "-e" "USER_ID=1000" "-e" "SOURCE_DIR=/source" "-e" "USER_ID=1000" "-e" "CMD=cargo +c8ae2de8363be088604ffa2ccba84ff7ad7250bc-alt check --frozen --all --all-targets" "-e" "CARGO_TARGET_DIR=/target" "-e" "CARGO_INCREMENTAL=0" "-e" "RUST_BACKTRACE=full" "-e" "RUSTFLAGS=--cap-lints=forbid" "-e" "CARGO_HOME=/cargo-home" "-e" "RUSTUP_HOME=/rustup-home" "-m" "1536M" "--network" "none" "crater"`
Dec 05 15:57:13.347 INFO [stdout] bf1d44d9dc98ace6954950a9f30371514e4b46f0b660e408b65b94b84edd3faa
Dec 05 15:57:13.350 INFO running `"docker" "start" "-a" "bf1d44d9dc98ace6954950a9f30371514e4b46f0b660e408b65b94b84edd3faa"`
Dec 05 15:57:13.916 INFO [stderr] usermod: no changes
Dec 05 15:57:13.941 INFO [stderr]     Checking c4 v0.1.0 (/source)
Dec 05 15:57:14.571 INFO [stderr] warning: enum is never used: `Value`
Dec 05 15:57:14.571 INFO [stderr]  --> src/parser/mod.rs:5:1
Dec 05 15:57:14.572 INFO [stderr]   |
Dec 05 15:57:14.572 INFO [stderr] 5 | pub enum Value {
Dec 05 15:57:14.572 INFO [stderr]   | ^^^^^^^^^^^^^^
Dec 05 15:57:14.572 INFO [stderr]   |
Dec 05 15:57:14.573 INFO [stderr]   = note: #[warn(dead_code)] on by default
Dec 05 15:57:14.573 INFO [stderr] 
Dec 05 15:57:14.573 INFO [stderr] warning: method is never used: `from_vec`
Dec 05 15:57:14.574 INFO [stderr]   --> src/parser/mod.rs:11:5
Dec 05 15:57:14.574 INFO [stderr]    |
Dec 05 15:57:14.574 INFO [stderr] 11 |     pub fn from_vec(v: Vec<String>) -> Self {
Dec 05 15:57:14.574 INFO [stderr]    |     ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
Dec 05 15:57:14.574 INFO [stderr] 
Dec 05 15:57:14.574 INFO [stderr] warning: method is never used: `from_str`
Dec 05 15:57:14.575 INFO [stderr]   --> src/parser/mod.rs:15:5
Dec 05 15:57:14.575 INFO [stderr]    |
Dec 05 15:57:14.575 INFO [stderr] 15 |     pub fn from_str(s: &str) -> Self {
Dec 05 15:57:14.575 INFO [stderr]    |     ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
Dec 05 15:57:14.575 INFO [stderr] 
Dec 05 15:57:14.575 INFO [stderr] warning: method is never used: `from_string`
Dec 05 15:57:14.575 INFO [stderr]   --> src/parser/mod.rs:19:5
Dec 05 15:57:14.575 INFO [stderr]    |
Dec 05 15:57:14.575 INFO [stderr] 19 |     pub fn from_string(s: &String) -> Self {
Dec 05 15:57:14.575 INFO [stderr]    |     ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
Dec 05 15:57:14.575 INFO [stderr] 
Dec 05 15:57:14.576 INFO [stderr] warning: struct is never constructed: `Property`
Dec 05 15:57:14.576 INFO [stderr]   --> src/parser/mod.rs:24:1
Dec 05 15:57:14.576 INFO [stderr]    |
Dec 05 15:57:14.576 INFO [stderr] 24 | struct Property {
Dec 05 15:57:14.576 INFO [stderr]    | ^^^^^^^^^^^^^^^
Dec 05 15:57:14.576 INFO [stderr] 
Dec 05 15:57:14.576 INFO [stderr] warning: method is never used: `new`
Dec 05 15:57:14.576 INFO [stderr]   --> src/parser/mod.rs:30:5
Dec 05 15:57:14.576 INFO [stderr]    |
Dec 05 15:57:14.576 INFO [stderr] 30 |     pub fn new(_id: String, _value: Value) -> Self {
Dec 05 15:57:14.576 INFO [stderr]    |     ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
Dec 05 15:57:14.577 INFO [stderr] 
Dec 05 15:57:14.577 INFO [stderr] warning: struct is never constructed: `Rule`
Dec 05 15:57:14.577 INFO [stderr]   --> src/parser/mod.rs:35:1
Dec 05 15:57:14.577 INFO [stderr]    |
Dec 05 15:57:14.577 INFO [stderr] 35 | struct Rule {
Dec 05 15:57:14.577 INFO [stderr]    | ^^^^^^^^^^^
Dec 05 15:57:14.577 INFO [stderr] 
Dec 05 15:57:14.581 INFO [stderr] warning: struct is never constructed: `Selector`
Dec 05 15:57:14.581 INFO [stderr]   --> src/parser/mod.rs:39:1
Dec 05 15:57:14.581 INFO [stderr]    |
Dec 05 15:57:14.581 INFO [stderr] 39 | struct Selector(Vec<Rule>);
Dec 05 15:57:14.581 INFO [stderr]    | ^^^^^^^^^^^^^^^^^^^^^^^^^^^
Dec 05 15:57:14.581 INFO [stderr] 
Dec 05 15:57:14.780 INFO [stderr] warning: enum is never used: `Value`
Dec 05 15:57:14.780 INFO [stderr]  --> src/parser/mod.rs:5:1
Dec 05 15:57:14.780 INFO [stderr]   |
Dec 05 15:57:14.780 INFO [stderr] 5 | pub enum Value {
Dec 05 15:57:14.780 INFO [stderr]   | ^^^^^^^^^^^^^^
Dec 05 15:57:14.780 INFO [stderr]   |
Dec 05 15:57:14.780 INFO [stderr]   = note: #[warn(dead_code)] on by default
Dec 05 15:57:14.780 INFO [stderr] 
Dec 05 15:57:14.780 INFO [stderr] warning: method is never used: `from_vec`
Dec 05 15:57:14.780 INFO [stderr]   --> src/parser/mod.rs:11:5
Dec 05 15:57:14.780 INFO [stderr]    |
Dec 05 15:57:14.780 INFO [stderr] 11 |     pub fn from_vec(v: Vec<String>) -> Self {
Dec 05 15:57:14.780 INFO [stderr]    |     ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
Dec 05 15:57:14.780 INFO [stderr] 
Dec 05 15:57:14.780 INFO [stderr] warning: method is never used: `from_str`
Dec 05 15:57:14.780 INFO [stderr]   --> src/parser/mod.rs:15:5
Dec 05 15:57:14.780 INFO [stderr]    |
Dec 05 15:57:14.780 INFO [stderr] 15 |     pub fn from_str(s: &str) -> Self {
Dec 05 15:57:14.780 INFO [stderr]    |     ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
Dec 05 15:57:14.780 INFO [stderr] 
Dec 05 15:57:14.780 INFO [stderr] warning: method is never used: `from_string`
Dec 05 15:57:14.780 INFO [stderr]   --> src/parser/mod.rs:19:5
Dec 05 15:57:14.780 INFO [stderr]    |
Dec 05 15:57:14.780 INFO [stderr] 19 |     pub fn from_string(s: &String) -> Self {
Dec 05 15:57:14.780 INFO [stderr]    |     ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
Dec 05 15:57:14.780 INFO [stderr] 
Dec 05 15:57:14.780 INFO [stderr] warning: struct is never constructed: `Property`
Dec 05 15:57:14.780 INFO [stderr]   --> src/parser/mod.rs:24:1
Dec 05 15:57:14.780 INFO [stderr]    |
Dec 05 15:57:14.780 INFO [stderr] 24 | struct Property {
Dec 05 15:57:14.780 INFO [stderr]    | ^^^^^^^^^^^^^^^
Dec 05 15:57:14.780 INFO [stderr] 
Dec 05 15:57:14.780 INFO [stderr] warning: method is never used: `new`
Dec 05 15:57:14.780 INFO [stderr]   --> src/parser/mod.rs:30:5
Dec 05 15:57:14.780 INFO [stderr]    |
Dec 05 15:57:14.780 INFO [stderr] 30 |     pub fn new(_id: String, _value: Value) -> Self {
Dec 05 15:57:14.780 INFO [stderr]    |     ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
Dec 05 15:57:14.780 INFO [stderr] 
Dec 05 15:57:14.780 INFO [stderr] warning: struct is never constructed: `Rule`
Dec 05 15:57:14.780 INFO [stderr]   --> src/parser/mod.rs:35:1
Dec 05 15:57:14.780 INFO [stderr]    |
Dec 05 15:57:14.780 INFO [stderr] 35 | struct Rule {
Dec 05 15:57:14.780 INFO [stderr]    | ^^^^^^^^^^^
Dec 05 15:57:14.780 INFO [stderr] 
Dec 05 15:57:14.780 INFO [stderr] warning: struct is never constructed: `Selector`
Dec 05 15:57:14.780 INFO [stderr]   --> src/parser/mod.rs:39:1
Dec 05 15:57:14.780 INFO [stderr]    |
Dec 05 15:57:14.781 INFO [stderr] 39 | struct Selector(Vec<Rule>);
Dec 05 15:57:14.781 INFO [stderr]    | ^^^^^^^^^^^^^^^^^^^^^^^^^^^
Dec 05 15:57:14.781 INFO [stderr] 
Dec 05 15:57:14.800 INFO [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 0.86s
Dec 05 15:57:14.800 INFO [stderr] su: No module specific data is present
Dec 05 15:57:15.013 INFO running `"docker" "inspect" "bf1d44d9dc98ace6954950a9f30371514e4b46f0b660e408b65b94b84edd3faa"`
Dec 05 15:57:15.107 INFO running `"docker" "rm" "-f" "bf1d44d9dc98ace6954950a9f30371514e4b46f0b660e408b65b94b84edd3faa"`
Dec 05 15:57:15.203 INFO [stdout] bf1d44d9dc98ace6954950a9f30371514e4b46f0b660e408b65b94b84edd3faa