Dec 07 21:57:39.859 INFO testing c4-0.1.0 against master#906deae0790bd18681b937fe9a141a3c26cf1855 for pr-56514
Dec 07 21:57:39.860 INFO running `"docker" "create" "-v" "/mnt/big/crater/work/local/target-dirs/pr-56514/worker-4/master#906deae0790bd18681b937fe9a141a3c26cf1855:/target:rw,Z" "-v" "/mnt/big/crater/work/local/test-source/worker-4/pr-56514/master#906deae0790bd18681b937fe9a141a3c26cf1855:/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 +906deae0790bd18681b937fe9a141a3c26cf1855-alt build --frozen" "-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 07 21:57:40.044 INFO [stdout] 136946399c08480aeb5acb8b89472047252a6a87ed1e3239581f08ee3812ef41
Dec 07 21:57:40.046 INFO running `"docker" "start" "-a" "136946399c08480aeb5acb8b89472047252a6a87ed1e3239581f08ee3812ef41"`
Dec 07 21:57:40.516 INFO [stderr] usermod: no changes
Dec 07 21:57:40.550 INFO [stderr]    Compiling c4 v0.1.0 (/source)
Dec 07 21:57:41.114 INFO [stderr] warning: enum is never used: `Value`
Dec 07 21:57:41.114 INFO [stderr]  --> src/parser/mod.rs:5:1
Dec 07 21:57:41.114 INFO [stderr]   |
Dec 07 21:57:41.114 INFO [stderr] 5 | pub enum Value {
Dec 07 21:57:41.114 INFO [stderr]   | ^^^^^^^^^^^^^^
Dec 07 21:57:41.114 INFO [stderr]   |
Dec 07 21:57:41.114 INFO [stderr]   = note: #[warn(dead_code)] on by default
Dec 07 21:57:41.114 INFO [stderr] 
Dec 07 21:57:41.114 INFO [stderr] warning: method is never used: `from_vec`
Dec 07 21:57:41.114 INFO [stderr]   --> src/parser/mod.rs:11:5
Dec 07 21:57:41.114 INFO [stderr]    |
Dec 07 21:57:41.114 INFO [stderr] 11 |     pub fn from_vec(v: Vec<String>) -> Self {
Dec 07 21:57:41.114 INFO [stderr]    |     ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
Dec 07 21:57:41.114 INFO [stderr] 
Dec 07 21:57:41.114 INFO [stderr] warning: method is never used: `from_str`
Dec 07 21:57:41.114 INFO [stderr]   --> src/parser/mod.rs:15:5
Dec 07 21:57:41.114 INFO [stderr]    |
Dec 07 21:57:41.114 INFO [stderr] 15 |     pub fn from_str(s: &str) -> Self {
Dec 07 21:57:41.114 INFO [stderr]    |     ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
Dec 07 21:57:41.114 INFO [stderr] 
Dec 07 21:57:41.114 INFO [stderr] warning: method is never used: `from_string`
Dec 07 21:57:41.114 INFO [stderr]   --> src/parser/mod.rs:19:5
Dec 07 21:57:41.114 INFO [stderr]    |
Dec 07 21:57:41.114 INFO [stderr] 19 |     pub fn from_string(s: &String) -> Self {
Dec 07 21:57:41.114 INFO [stderr]    |     ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
Dec 07 21:57:41.114 INFO [stderr] 
Dec 07 21:57:41.114 INFO [stderr] warning: struct is never constructed: `Property`
Dec 07 21:57:41.114 INFO [stderr]   --> src/parser/mod.rs:24:1
Dec 07 21:57:41.114 INFO [stderr]    |
Dec 07 21:57:41.114 INFO [stderr] 24 | struct Property {
Dec 07 21:57:41.114 INFO [stderr]    | ^^^^^^^^^^^^^^^
Dec 07 21:57:41.114 INFO [stderr] 
Dec 07 21:57:41.114 INFO [stderr] warning: method is never used: `new`
Dec 07 21:57:41.115 INFO [stderr]   --> src/parser/mod.rs:30:5
Dec 07 21:57:41.115 INFO [stderr]    |
Dec 07 21:57:41.115 INFO [stderr] 30 |     pub fn new(_id: String, _value: Value) -> Self {
Dec 07 21:57:41.115 INFO [stderr]    |     ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
Dec 07 21:57:41.115 INFO [stderr] 
Dec 07 21:57:41.115 INFO [stderr] warning: struct is never constructed: `Rule`
Dec 07 21:57:41.115 INFO [stderr]   --> src/parser/mod.rs:35:1
Dec 07 21:57:41.115 INFO [stderr]    |
Dec 07 21:57:41.115 INFO [stderr] 35 | struct Rule {
Dec 07 21:57:41.115 INFO [stderr]    | ^^^^^^^^^^^
Dec 07 21:57:41.115 INFO [stderr] 
Dec 07 21:57:41.115 INFO [stderr] warning: struct is never constructed: `Selector`
Dec 07 21:57:41.115 INFO [stderr]   --> src/parser/mod.rs:39:1
Dec 07 21:57:41.115 INFO [stderr]    |
Dec 07 21:57:41.115 INFO [stderr] 39 | struct Selector(Vec<Rule>);
Dec 07 21:57:41.115 INFO [stderr]    | ^^^^^^^^^^^^^^^^^^^^^^^^^^^
Dec 07 21:57:41.115 INFO [stderr] 
Dec 07 21:57:41.239 INFO [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 0.70s
Dec 07 21:57:41.241 INFO [stderr] su: No module specific data is present
Dec 07 21:57:41.559 INFO running `"docker" "inspect" "136946399c08480aeb5acb8b89472047252a6a87ed1e3239581f08ee3812ef41"`
Dec 07 21:57:41.657 INFO running `"docker" "rm" "-f" "136946399c08480aeb5acb8b89472047252a6a87ed1e3239581f08ee3812ef41"`
Dec 07 21:57:41.751 INFO [stdout] 136946399c08480aeb5acb8b89472047252a6a87ed1e3239581f08ee3812ef41
Dec 07 21:57:41.755 INFO running `"docker" "create" "-v" "/mnt/big/crater/work/local/target-dirs/pr-56514/worker-4/master#906deae0790bd18681b937fe9a141a3c26cf1855:/target:rw,Z" "-v" "/mnt/big/crater/work/local/test-source/worker-4/pr-56514/master#906deae0790bd18681b937fe9a141a3c26cf1855:/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 +906deae0790bd18681b937fe9a141a3c26cf1855-alt test --frozen --no-run" "-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 07 21:57:41.941 INFO [stdout] e23301203e44f88e9296766f06ad37ca114bd793d752f1ff05e51c9f39b21287
Dec 07 21:57:41.942 INFO running `"docker" "start" "-a" "e23301203e44f88e9296766f06ad37ca114bd793d752f1ff05e51c9f39b21287"`
Dec 07 21:57:42.440 INFO [stderr] usermod: no changes
Dec 07 21:57:42.474 INFO [stderr]    Compiling c4 v0.1.0 (/source)
Dec 07 21:57:43.235 INFO [stderr] warning: enum is never used: `Value`
Dec 07 21:57:43.235 INFO [stderr]  --> src/parser/mod.rs:5:1
Dec 07 21:57:43.235 INFO [stderr]   |
Dec 07 21:57:43.235 INFO [stderr] 5 | pub enum Value {
Dec 07 21:57:43.235 INFO [stderr]   | ^^^^^^^^^^^^^^
Dec 07 21:57:43.235 INFO [stderr]   |
Dec 07 21:57:43.235 INFO [stderr]   = note: #[warn(dead_code)] on by default
Dec 07 21:57:43.235 INFO [stderr] 
Dec 07 21:57:43.235 INFO [stderr] warning: method is never used: `from_vec`
Dec 07 21:57:43.235 INFO [stderr]   --> src/parser/mod.rs:11:5
Dec 07 21:57:43.235 INFO [stderr]    |
Dec 07 21:57:43.235 INFO [stderr] 11 |     pub fn from_vec(v: Vec<String>) -> Self {
Dec 07 21:57:43.235 INFO [stderr]    |     ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
Dec 07 21:57:43.235 INFO [stderr] 
Dec 07 21:57:43.235 INFO [stderr] warning: method is never used: `from_str`
Dec 07 21:57:43.235 INFO [stderr]   --> src/parser/mod.rs:15:5
Dec 07 21:57:43.235 INFO [stderr]    |
Dec 07 21:57:43.235 INFO [stderr] 15 |     pub fn from_str(s: &str) -> Self {
Dec 07 21:57:43.235 INFO [stderr]    |     ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
Dec 07 21:57:43.235 INFO [stderr] 
Dec 07 21:57:43.236 INFO [stderr] warning: method is never used: `from_string`
Dec 07 21:57:43.236 INFO [stderr]   --> src/parser/mod.rs:19:5
Dec 07 21:57:43.236 INFO [stderr]    |
Dec 07 21:57:43.236 INFO [stderr] 19 |     pub fn from_string(s: &String) -> Self {
Dec 07 21:57:43.236 INFO [stderr]    |     ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
Dec 07 21:57:43.236 INFO [stderr] 
Dec 07 21:57:43.236 INFO [stderr] warning: struct is never constructed: `Property`
Dec 07 21:57:43.236 INFO [stderr]   --> src/parser/mod.rs:24:1
Dec 07 21:57:43.236 INFO [stderr]    |
Dec 07 21:57:43.236 INFO [stderr] 24 | struct Property {
Dec 07 21:57:43.236 INFO [stderr]    | ^^^^^^^^^^^^^^^
Dec 07 21:57:43.236 INFO [stderr] 
Dec 07 21:57:43.236 INFO [stderr] warning: method is never used: `new`
Dec 07 21:57:43.236 INFO [stderr]   --> src/parser/mod.rs:30:5
Dec 07 21:57:43.236 INFO [stderr]    |
Dec 07 21:57:43.236 INFO [stderr] 30 |     pub fn new(_id: String, _value: Value) -> Self {
Dec 07 21:57:43.236 INFO [stderr]    |     ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
Dec 07 21:57:43.237 INFO [stderr] 
Dec 07 21:57:43.237 INFO [stderr] warning: struct is never constructed: `Rule`
Dec 07 21:57:43.237 INFO [stderr]   --> src/parser/mod.rs:35:1
Dec 07 21:57:43.237 INFO [stderr]    |
Dec 07 21:57:43.237 INFO [stderr] 35 | struct Rule {
Dec 07 21:57:43.237 INFO [stderr]    | ^^^^^^^^^^^
Dec 07 21:57:43.237 INFO [stderr] 
Dec 07 21:57:43.237 INFO [stderr] warning: struct is never constructed: `Selector`
Dec 07 21:57:43.237 INFO [stderr]   --> src/parser/mod.rs:39:1
Dec 07 21:57:43.237 INFO [stderr]    |
Dec 07 21:57:43.237 INFO [stderr] 39 | struct Selector(Vec<Rule>);
Dec 07 21:57:43.237 INFO [stderr]    | ^^^^^^^^^^^^^^^^^^^^^^^^^^^
Dec 07 21:57:43.237 INFO [stderr] 
Dec 07 21:57:43.432 INFO [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 0.97s
Dec 07 21:57:43.437 INFO [stderr] su: No module specific data is present
Dec 07 21:57:43.683 INFO running `"docker" "inspect" "e23301203e44f88e9296766f06ad37ca114bd793d752f1ff05e51c9f39b21287"`
Dec 07 21:57:43.776 INFO running `"docker" "rm" "-f" "e23301203e44f88e9296766f06ad37ca114bd793d752f1ff05e51c9f39b21287"`
Dec 07 21:57:43.873 INFO [stdout] e23301203e44f88e9296766f06ad37ca114bd793d752f1ff05e51c9f39b21287
Dec 07 21:57:43.875 INFO running `"docker" "create" "-v" "/mnt/big/crater/work/local/target-dirs/pr-56514/worker-4/master#906deae0790bd18681b937fe9a141a3c26cf1855:/target:rw,Z" "-v" "/mnt/big/crater/work/local/test-source/worker-4/pr-56514/master#906deae0790bd18681b937fe9a141a3c26cf1855:/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 +906deae0790bd18681b937fe9a141a3c26cf1855-alt test --frozen" "-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 07 21:57:44.070 INFO [stdout] 97fd79cb4246677ec0fc90b5f02db932c7ef7a5e7c1b0e3b4eb8df4e9d0ffc68
Dec 07 21:57:44.072 INFO running `"docker" "start" "-a" "97fd79cb4246677ec0fc90b5f02db932c7ef7a5e7c1b0e3b4eb8df4e9d0ffc68"`
Dec 07 21:57:44.616 INFO [stderr] usermod: no changes
Dec 07 21:57:44.652 INFO [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 0.02s
Dec 07 21:57:44.652 INFO [stderr]      Running /target/debug/deps/c4-e6df8d8a734f49fb
Dec 07 21:57:44.661 INFO [stderr]    Doc-tests c4
Dec 07 21:57:44.661 INFO [stdout] 
Dec 07 21:57:44.661 INFO [stdout] running 0 tests
Dec 07 21:57:44.661 INFO [stdout] 
Dec 07 21:57:44.661 INFO [stdout] test result: ok. 0 passed; 0 failed; 0 ignored; 0 measured; 0 filtered out
Dec 07 21:57:44.661 INFO [stdout] 
Dec 07 21:57:45.459 INFO [stdout] 
Dec 07 21:57:45.459 INFO [stdout] running 0 tests
Dec 07 21:57:45.459 INFO [stdout] 
Dec 07 21:57:45.459 INFO [stdout] test result: ok. 0 passed; 0 failed; 0 ignored; 0 measured; 0 filtered out
Dec 07 21:57:45.459 INFO [stdout] 
Dec 07 21:57:45.466 INFO [stderr] su: No module specific data is present
Dec 07 21:57:45.704 INFO running `"docker" "inspect" "97fd79cb4246677ec0fc90b5f02db932c7ef7a5e7c1b0e3b4eb8df4e9d0ffc68"`
Dec 07 21:57:45.799 INFO running `"docker" "rm" "-f" "97fd79cb4246677ec0fc90b5f02db932c7ef7a5e7c1b0e3b4eb8df4e9d0ffc68"`
Dec 07 21:57:45.892 INFO [stdout] 97fd79cb4246677ec0fc90b5f02db932c7ef7a5e7c1b0e3b4eb8df4e9d0ffc68