Dec 15 20:25:47.836 INFO testing c4-0.1.0 against master#bd47d6825bf4090517549d33cfef10d3300b4a75 for pr-56550
Dec 15 20:25:47.836 INFO running `"docker" "create" "-v" "/mnt/big/crater/work/local/target-dirs/pr-56550/worker-3/master#bd47d6825bf4090517549d33cfef10d3300b4a75:/target:rw,Z" "-v" "/mnt/big/crater/work/local/test-source/worker-3/pr-56550/master#bd47d6825bf4090517549d33cfef10d3300b4a75:/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 +bd47d6825bf4090517549d33cfef10d3300b4a75-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 15 20:25:47.997 INFO [stdout] 10798a04469780bf369d3b49a654f67d3480e836c36be5d5029db5d33817ef1a
Dec 15 20:25:48.000 INFO running `"docker" "start" "-a" "10798a04469780bf369d3b49a654f67d3480e836c36be5d5029db5d33817ef1a"`
Dec 15 20:25:48.443 INFO [stderr] usermod: no changes
Dec 15 20:25:48.487 INFO [stderr]    Compiling c4 v0.1.0 (/source)
Dec 15 20:25:49.079 INFO [stderr] warning: enum is never used: `Value`
Dec 15 20:25:49.079 INFO [stderr]  --> src/parser/mod.rs:5:1
Dec 15 20:25:49.079 INFO [stderr]   |
Dec 15 20:25:49.079 INFO [stderr] 5 | pub enum Value {
Dec 15 20:25:49.079 INFO [stderr]   | ^^^^^^^^^^^^^^
Dec 15 20:25:49.079 INFO [stderr]   |
Dec 15 20:25:49.079 INFO [stderr]   = note: #[warn(dead_code)] on by default
Dec 15 20:25:49.079 INFO [stderr] 
Dec 15 20:25:49.079 INFO [stderr] warning: method is never used: `from_vec`
Dec 15 20:25:49.079 INFO [stderr]   --> src/parser/mod.rs:11:5
Dec 15 20:25:49.079 INFO [stderr]    |
Dec 15 20:25:49.079 INFO [stderr] 11 |     pub fn from_vec(v: Vec<String>) -> Self {
Dec 15 20:25:49.079 INFO [stderr]    |     ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
Dec 15 20:25:49.079 INFO [stderr] 
Dec 15 20:25:49.079 INFO [stderr] warning: method is never used: `from_str`
Dec 15 20:25:49.079 INFO [stderr]   --> src/parser/mod.rs:15:5
Dec 15 20:25:49.079 INFO [stderr]    |
Dec 15 20:25:49.079 INFO [stderr] 15 |     pub fn from_str(s: &str) -> Self {
Dec 15 20:25:49.079 INFO [stderr]    |     ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
Dec 15 20:25:49.079 INFO [stderr] 
Dec 15 20:25:49.079 INFO [stderr] warning: method is never used: `from_string`
Dec 15 20:25:49.079 INFO [stderr]   --> src/parser/mod.rs:19:5
Dec 15 20:25:49.079 INFO [stderr]    |
Dec 15 20:25:49.079 INFO [stderr] 19 |     pub fn from_string(s: &String) -> Self {
Dec 15 20:25:49.079 INFO [stderr]    |     ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
Dec 15 20:25:49.079 INFO [stderr] 
Dec 15 20:25:49.079 INFO [stderr] warning: struct is never constructed: `Property`
Dec 15 20:25:49.079 INFO [stderr]   --> src/parser/mod.rs:24:1
Dec 15 20:25:49.079 INFO [stderr]    |
Dec 15 20:25:49.079 INFO [stderr] 24 | struct Property {
Dec 15 20:25:49.079 INFO [stderr]    | ^^^^^^^^^^^^^^^
Dec 15 20:25:49.079 INFO [stderr] 
Dec 15 20:25:49.079 INFO [stderr] warning: method is never used: `new`
Dec 15 20:25:49.080 INFO [stderr]   --> src/parser/mod.rs:30:5
Dec 15 20:25:49.080 INFO [stderr]    |
Dec 15 20:25:49.080 INFO [stderr] 30 |     pub fn new(_id: String, _value: Value) -> Self {
Dec 15 20:25:49.080 INFO [stderr]    |     ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
Dec 15 20:25:49.080 INFO [stderr] 
Dec 15 20:25:49.080 INFO [stderr] warning: struct is never constructed: `Rule`
Dec 15 20:25:49.080 INFO [stderr]   --> src/parser/mod.rs:35:1
Dec 15 20:25:49.080 INFO [stderr]    |
Dec 15 20:25:49.080 INFO [stderr] 35 | struct Rule {
Dec 15 20:25:49.080 INFO [stderr]    | ^^^^^^^^^^^
Dec 15 20:25:49.080 INFO [stderr] 
Dec 15 20:25:49.080 INFO [stderr] warning: struct is never constructed: `Selector`
Dec 15 20:25:49.080 INFO [stderr]   --> src/parser/mod.rs:39:1
Dec 15 20:25:49.080 INFO [stderr]    |
Dec 15 20:25:49.080 INFO [stderr] 39 | struct Selector(Vec<Rule>);
Dec 15 20:25:49.080 INFO [stderr]    | ^^^^^^^^^^^^^^^^^^^^^^^^^^^
Dec 15 20:25:49.080 INFO [stderr] 
Dec 15 20:25:49.306 INFO [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 0.84s
Dec 15 20:25:49.311 INFO [stderr] su: No module specific data is present
Dec 15 20:25:49.552 INFO running `"docker" "inspect" "10798a04469780bf369d3b49a654f67d3480e836c36be5d5029db5d33817ef1a"`
Dec 15 20:25:49.663 INFO running `"docker" "rm" "-f" "10798a04469780bf369d3b49a654f67d3480e836c36be5d5029db5d33817ef1a"`
Dec 15 20:25:49.779 INFO [stdout] 10798a04469780bf369d3b49a654f67d3480e836c36be5d5029db5d33817ef1a
Dec 15 20:25:49.780 INFO running `"docker" "create" "-v" "/mnt/big/crater/work/local/target-dirs/pr-56550/worker-3/master#bd47d6825bf4090517549d33cfef10d3300b4a75:/target:rw,Z" "-v" "/mnt/big/crater/work/local/test-source/worker-3/pr-56550/master#bd47d6825bf4090517549d33cfef10d3300b4a75:/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 +bd47d6825bf4090517549d33cfef10d3300b4a75-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 15 20:25:49.991 INFO [stdout] 5940ebb44d7b9e4f234f25c25b97b74b9fcbea3be41f12df75867f289c1996ac
Dec 15 20:25:49.992 INFO running `"docker" "start" "-a" "5940ebb44d7b9e4f234f25c25b97b74b9fcbea3be41f12df75867f289c1996ac"`
Dec 15 20:25:50.445 INFO [stderr] usermod: no changes
Dec 15 20:25:50.482 INFO [stderr]    Compiling c4 v0.1.0 (/source)
Dec 15 20:25:51.243 INFO [stderr] warning: enum is never used: `Value`
Dec 15 20:25:51.243 INFO [stderr]  --> src/parser/mod.rs:5:1
Dec 15 20:25:51.243 INFO [stderr]   |
Dec 15 20:25:51.243 INFO [stderr] 5 | pub enum Value {
Dec 15 20:25:51.243 INFO [stderr]   | ^^^^^^^^^^^^^^
Dec 15 20:25:51.243 INFO [stderr]   |
Dec 15 20:25:51.243 INFO [stderr]   = note: #[warn(dead_code)] on by default
Dec 15 20:25:51.243 INFO [stderr] 
Dec 15 20:25:51.243 INFO [stderr] warning: method is never used: `from_vec`
Dec 15 20:25:51.243 INFO [stderr]   --> src/parser/mod.rs:11:5
Dec 15 20:25:51.243 INFO [stderr]    |
Dec 15 20:25:51.243 INFO [stderr] 11 |     pub fn from_vec(v: Vec<String>) -> Self {
Dec 15 20:25:51.243 INFO [stderr]    |     ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
Dec 15 20:25:51.243 INFO [stderr] 
Dec 15 20:25:51.243 INFO [stderr] warning: method is never used: `from_str`
Dec 15 20:25:51.243 INFO [stderr]   --> src/parser/mod.rs:15:5
Dec 15 20:25:51.243 INFO [stderr]    |
Dec 15 20:25:51.243 INFO [stderr] 15 |     pub fn from_str(s: &str) -> Self {
Dec 15 20:25:51.243 INFO [stderr]    |     ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
Dec 15 20:25:51.243 INFO [stderr] 
Dec 15 20:25:51.243 INFO [stderr] warning: method is never used: `from_string`
Dec 15 20:25:51.243 INFO [stderr]   --> src/parser/mod.rs:19:5
Dec 15 20:25:51.243 INFO [stderr]    |
Dec 15 20:25:51.243 INFO [stderr] 19 |     pub fn from_string(s: &String) -> Self {
Dec 15 20:25:51.243 INFO [stderr]    |     ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
Dec 15 20:25:51.243 INFO [stderr] 
Dec 15 20:25:51.243 INFO [stderr] warning: struct is never constructed: `Property`
Dec 15 20:25:51.243 INFO [stderr]   --> src/parser/mod.rs:24:1
Dec 15 20:25:51.243 INFO [stderr]    |
Dec 15 20:25:51.243 INFO [stderr] 24 | struct Property {
Dec 15 20:25:51.243 INFO [stderr]    | ^^^^^^^^^^^^^^^
Dec 15 20:25:51.243 INFO [stderr] 
Dec 15 20:25:51.243 INFO [stderr] warning: method is never used: `new`
Dec 15 20:25:51.243 INFO [stderr]   --> src/parser/mod.rs:30:5
Dec 15 20:25:51.243 INFO [stderr]    |
Dec 15 20:25:51.243 INFO [stderr] 30 |     pub fn new(_id: String, _value: Value) -> Self {
Dec 15 20:25:51.243 INFO [stderr]    |     ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
Dec 15 20:25:51.243 INFO [stderr] 
Dec 15 20:25:51.243 INFO [stderr] warning: struct is never constructed: `Rule`
Dec 15 20:25:51.243 INFO [stderr]   --> src/parser/mod.rs:35:1
Dec 15 20:25:51.243 INFO [stderr]    |
Dec 15 20:25:51.243 INFO [stderr] 35 | struct Rule {
Dec 15 20:25:51.243 INFO [stderr]    | ^^^^^^^^^^^
Dec 15 20:25:51.243 INFO [stderr] 
Dec 15 20:25:51.243 INFO [stderr] warning: struct is never constructed: `Selector`
Dec 15 20:25:51.244 INFO [stderr]   --> src/parser/mod.rs:39:1
Dec 15 20:25:51.244 INFO [stderr]    |
Dec 15 20:25:51.244 INFO [stderr] 39 | struct Selector(Vec<Rule>);
Dec 15 20:25:51.244 INFO [stderr]    | ^^^^^^^^^^^^^^^^^^^^^^^^^^^
Dec 15 20:25:51.244 INFO [stderr] 
Dec 15 20:25:51.578 INFO [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 1.11s
Dec 15 20:25:51.581 INFO [stderr] su: No module specific data is present
Dec 15 20:25:51.928 INFO running `"docker" "inspect" "5940ebb44d7b9e4f234f25c25b97b74b9fcbea3be41f12df75867f289c1996ac"`
Dec 15 20:25:52.020 INFO running `"docker" "rm" "-f" "5940ebb44d7b9e4f234f25c25b97b74b9fcbea3be41f12df75867f289c1996ac"`
Dec 15 20:25:52.140 INFO [stdout] 5940ebb44d7b9e4f234f25c25b97b74b9fcbea3be41f12df75867f289c1996ac
Dec 15 20:25:52.142 INFO running `"docker" "create" "-v" "/mnt/big/crater/work/local/target-dirs/pr-56550/worker-3/master#bd47d6825bf4090517549d33cfef10d3300b4a75:/target:rw,Z" "-v" "/mnt/big/crater/work/local/test-source/worker-3/pr-56550/master#bd47d6825bf4090517549d33cfef10d3300b4a75:/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 +bd47d6825bf4090517549d33cfef10d3300b4a75-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 15 20:25:52.336 INFO [stdout] 12cc25d37b309f4314d86be86a66fbce2273287d9e6efa2ac794bee5d92ed84b
Dec 15 20:25:52.338 INFO running `"docker" "start" "-a" "12cc25d37b309f4314d86be86a66fbce2273287d9e6efa2ac794bee5d92ed84b"`
Dec 15 20:25:52.713 INFO [stderr] usermod: no changes
Dec 15 20:25:52.734 INFO [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 0.00s
Dec 15 20:25:52.735 INFO [stderr]      Running /target/debug/deps/c4-762526af27714e43
Dec 15 20:25:52.736 INFO [stdout] 
Dec 15 20:25:52.736 INFO [stdout] running 0 tests
Dec 15 20:25:52.736 INFO [stdout] 
Dec 15 20:25:52.736 INFO [stdout] test result: ok. 0 passed; 0 failed; 0 ignored; 0 measured; 0 filtered out
Dec 15 20:25:52.736 INFO [stdout] 
Dec 15 20:25:52.736 INFO [stderr]    Doc-tests c4
Dec 15 20:25:53.714 INFO [stdout] 
Dec 15 20:25:53.714 INFO [stdout] running 0 tests
Dec 15 20:25:53.714 INFO [stdout] 
Dec 15 20:25:53.714 INFO [stdout] test result: ok. 0 passed; 0 failed; 0 ignored; 0 measured; 0 filtered out
Dec 15 20:25:53.714 INFO [stdout] 
Dec 15 20:25:53.721 INFO [stderr] su: No module specific data is present
Dec 15 20:25:54.036 INFO running `"docker" "inspect" "12cc25d37b309f4314d86be86a66fbce2273287d9e6efa2ac794bee5d92ed84b"`
Dec 15 20:25:54.102 INFO running `"docker" "rm" "-f" "12cc25d37b309f4314d86be86a66fbce2273287d9e6efa2ac794bee5d92ed84b"`
Dec 15 20:25:54.197 INFO [stdout] 12cc25d37b309f4314d86be86a66fbce2273287d9e6efa2ac794bee5d92ed84b