Dec 18 17:59:19.292 INFO checking c4-0.1.0 against master#96d1334e567237b1507cd277938e7ae2de75ff51 for pr-54252
Dec 18 17:59:19.293 INFO running `"docker" "create" "-v" "/mnt/big/crater/work/local/target-dirs/pr-54252/worker-5/master#96d1334e567237b1507cd277938e7ae2de75ff51:/opt/crater/target:rw,Z" "-v" "/mnt/big/crater/work/ex/pr-54252/sources/master#96d1334e567237b1507cd277938e7ae2de75ff51/reg/c4/0.1.0:/opt/crater/workdir:ro,Z" "-v" "/mnt/big/crater/work/local/cargo-home:/opt/crater/cargo-home:ro,Z" "-v" "/mnt/big/crater/work/local/rustup-home:/opt/crater/rustup-home:ro,Z" "-e" "USER_ID=1000" "-e" "SOURCE_DIR=/opt/crater/workdir" "-e" "MAP_USER_ID=1000" "-e" "CARGO_TARGET_DIR=/opt/crater/target" "-e" "CARGO_INCREMENTAL=0" "-e" "RUST_BACKTRACE=full" "-e" "RUSTFLAGS=--cap-lints=forbid" "-e" "CARGO_HOME=/opt/crater/cargo-home" "-e" "RUSTUP_HOME=/opt/crater/rustup-home" "-w" "/opt/crater/workdir" "-m" "1536M" "--network" "none" "rustops/crates-build-env" "/opt/crater/cargo-home/bin/cargo" "+96d1334e567237b1507cd277938e7ae2de75ff51-alt" "check" "--frozen" "--all" "--all-targets"`
Dec 18 17:59:19.427 INFO [stdout] eb6863879ee709c41f526958cdd24f6ba4539c79c4e1146c85dac599180ea9a2
Dec 18 17:59:19.430 INFO running `"docker" "start" "-a" "eb6863879ee709c41f526958cdd24f6ba4539c79c4e1146c85dac599180ea9a2"`
Dec 18 17:59:19.948 INFO [stderr]     Checking c4 v0.1.0 (/opt/crater/workdir)
Dec 18 17:59:20.380 INFO [stderr] warning: enum is never used: `Value`
Dec 18 17:59:20.380 INFO [stderr]  --> src/parser/mod.rs:5:1
Dec 18 17:59:20.380 INFO [stderr]   |
Dec 18 17:59:20.380 INFO [stderr] 5 | pub enum Value {
Dec 18 17:59:20.380 INFO [stderr]   | ^^^^^^^^^^^^^^
Dec 18 17:59:20.380 INFO [stderr]   |
Dec 18 17:59:20.380 INFO [stderr]   = note: #[warn(dead_code)] on by default
Dec 18 17:59:20.380 INFO [stderr] 
Dec 18 17:59:20.380 INFO [stderr] warning: method is never used: `from_vec`
Dec 18 17:59:20.380 INFO [stderr]   --> src/parser/mod.rs:11:5
Dec 18 17:59:20.380 INFO [stderr]    |
Dec 18 17:59:20.380 INFO [stderr] 11 |     pub fn from_vec(v: Vec<String>) -> Self {
Dec 18 17:59:20.380 INFO [stderr]    |     ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
Dec 18 17:59:20.380 INFO [stderr] 
Dec 18 17:59:20.380 INFO [stderr] warning: method is never used: `from_str`
Dec 18 17:59:20.380 INFO [stderr]   --> src/parser/mod.rs:15:5
Dec 18 17:59:20.380 INFO [stderr]    |
Dec 18 17:59:20.380 INFO [stderr] 15 |     pub fn from_str(s: &str) -> Self {
Dec 18 17:59:20.380 INFO [stderr]    |     ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
Dec 18 17:59:20.380 INFO [stderr] 
Dec 18 17:59:20.380 INFO [stderr] warning: method is never used: `from_string`
Dec 18 17:59:20.381 INFO [stderr]   --> src/parser/mod.rs:19:5
Dec 18 17:59:20.381 INFO [stderr]    |
Dec 18 17:59:20.383 INFO [stderr] 19 |     pub fn from_string(s: &String) -> Self {
Dec 18 17:59:20.383 INFO [stderr]    |     ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
Dec 18 17:59:20.383 INFO [stderr] 
Dec 18 17:59:20.383 INFO [stderr] warning: struct is never constructed: `Property`
Dec 18 17:59:20.383 INFO [stderr]   --> src/parser/mod.rs:24:1
Dec 18 17:59:20.383 INFO [stderr]    |
Dec 18 17:59:20.383 INFO [stderr] 24 | struct Property {
Dec 18 17:59:20.383 INFO [stderr]    | ^^^^^^^^^^^^^^^
Dec 18 17:59:20.383 INFO [stderr] 
Dec 18 17:59:20.383 INFO [stderr] warning: method is never used: `new`
Dec 18 17:59:20.383 INFO [stderr]   --> src/parser/mod.rs:30:5
Dec 18 17:59:20.383 INFO [stderr]    |
Dec 18 17:59:20.383 INFO [stderr] 30 |     pub fn new(_id: String, _value: Value) -> Self {
Dec 18 17:59:20.383 INFO [stderr]    |     ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
Dec 18 17:59:20.383 INFO [stderr] 
Dec 18 17:59:20.383 INFO [stderr] warning: struct is never constructed: `Rule`
Dec 18 17:59:20.383 INFO [stderr]   --> src/parser/mod.rs:35:1
Dec 18 17:59:20.383 INFO [stderr]    |
Dec 18 17:59:20.383 INFO [stderr] 35 | struct Rule {
Dec 18 17:59:20.383 INFO [stderr]    | ^^^^^^^^^^^
Dec 18 17:59:20.383 INFO [stderr] 
Dec 18 17:59:20.383 INFO [stderr] warning: struct is never constructed: `Selector`
Dec 18 17:59:20.383 INFO [stderr]   --> src/parser/mod.rs:39:1
Dec 18 17:59:20.384 INFO [stderr]    |
Dec 18 17:59:20.384 INFO [stderr] 39 | struct Selector(Vec<Rule>);
Dec 18 17:59:20.384 INFO [stderr]    | ^^^^^^^^^^^^^^^^^^^^^^^^^^^
Dec 18 17:59:20.384 INFO [stderr] 
Dec 18 17:59:20.476 INFO [stderr] warning: enum is never used: `Value`
Dec 18 17:59:20.480 INFO [stderr]  --> src/parser/mod.rs:5:1
Dec 18 17:59:20.480 INFO [stderr]   |
Dec 18 17:59:20.480 INFO [stderr] 5 | pub enum Value {
Dec 18 17:59:20.480 INFO [stderr]   | ^^^^^^^^^^^^^^
Dec 18 17:59:20.480 INFO [stderr]   |
Dec 18 17:59:20.480 INFO [stderr]   = note: #[warn(dead_code)] on by default
Dec 18 17:59:20.480 INFO [stderr] 
Dec 18 17:59:20.480 INFO [stderr] warning: method is never used: `from_vec`
Dec 18 17:59:20.480 INFO [stderr]   --> src/parser/mod.rs:11:5
Dec 18 17:59:20.480 INFO [stderr]    |
Dec 18 17:59:20.480 INFO [stderr] 11 |     pub fn from_vec(v: Vec<String>) -> Self {
Dec 18 17:59:20.480 INFO [stderr]    |     ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
Dec 18 17:59:20.480 INFO [stderr] 
Dec 18 17:59:20.480 INFO [stderr] warning: method is never used: `from_str`
Dec 18 17:59:20.480 INFO [stderr]   --> src/parser/mod.rs:15:5
Dec 18 17:59:20.480 INFO [stderr]    |
Dec 18 17:59:20.480 INFO [stderr] 15 |     pub fn from_str(s: &str) -> Self {
Dec 18 17:59:20.480 INFO [stderr]    |     ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
Dec 18 17:59:20.480 INFO [stderr] 
Dec 18 17:59:20.480 INFO [stderr] warning: method is never used: `from_string`
Dec 18 17:59:20.480 INFO [stderr]   --> src/parser/mod.rs:19:5
Dec 18 17:59:20.480 INFO [stderr]    |
Dec 18 17:59:20.480 INFO [stderr] 19 |     pub fn from_string(s: &String) -> Self {
Dec 18 17:59:20.480 INFO [stderr]    |     ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
Dec 18 17:59:20.480 INFO [stderr] 
Dec 18 17:59:20.480 INFO [stderr] warning: struct is never constructed: `Property`
Dec 18 17:59:20.480 INFO [stderr]   --> src/parser/mod.rs:24:1
Dec 18 17:59:20.480 INFO [stderr]    |
Dec 18 17:59:20.480 INFO [stderr] 24 | struct Property {
Dec 18 17:59:20.480 INFO [stderr]    | ^^^^^^^^^^^^^^^
Dec 18 17:59:20.480 INFO [stderr] 
Dec 18 17:59:20.480 INFO [stderr] warning: method is never used: `new`
Dec 18 17:59:20.480 INFO [stderr]   --> src/parser/mod.rs:30:5
Dec 18 17:59:20.480 INFO [stderr]    |
Dec 18 17:59:20.480 INFO [stderr] 30 |     pub fn new(_id: String, _value: Value) -> Self {
Dec 18 17:59:20.480 INFO [stderr]    |     ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
Dec 18 17:59:20.480 INFO [stderr] 
Dec 18 17:59:20.480 INFO [stderr] warning: struct is never constructed: `Rule`
Dec 18 17:59:20.480 INFO [stderr]   --> src/parser/mod.rs:35:1
Dec 18 17:59:20.480 INFO [stderr]    |
Dec 18 17:59:20.480 INFO [stderr] 35 | struct Rule {
Dec 18 17:59:20.480 INFO [stderr]    | ^^^^^^^^^^^
Dec 18 17:59:20.480 INFO [stderr] 
Dec 18 17:59:20.480 INFO [stderr] warning: struct is never constructed: `Selector`
Dec 18 17:59:20.480 INFO [stderr]   --> src/parser/mod.rs:39:1
Dec 18 17:59:20.480 INFO [stderr]    |
Dec 18 17:59:20.481 INFO [stderr] 39 | struct Selector(Vec<Rule>);
Dec 18 17:59:20.481 INFO [stderr]    | ^^^^^^^^^^^^^^^^^^^^^^^^^^^
Dec 18 17:59:20.481 INFO [stderr] 
Dec 18 17:59:20.496 INFO [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 0.57s
Dec 18 17:59:20.753 INFO running `"docker" "inspect" "eb6863879ee709c41f526958cdd24f6ba4539c79c4e1146c85dac599180ea9a2"`
Dec 18 17:59:20.822 INFO running `"docker" "rm" "-f" "eb6863879ee709c41f526958cdd24f6ba4539c79c4e1146c85dac599180ea9a2"`
Dec 18 17:59:20.894 INFO [stdout] eb6863879ee709c41f526958cdd24f6ba4539c79c4e1146c85dac599180ea9a2