Dec 15 20:25:47.748 INFO testing c4-0.1.0 against try#aa49d8ef14939ddec0e34b346b60174a5673d48f for pr-56550
Dec 15 20:25:47.749 INFO running `"docker" "create" "-v" "/mnt/big/crater/work/local/target-dirs/pr-56550/worker-2/try#aa49d8ef14939ddec0e34b346b60174a5673d48f:/target:rw,Z" "-v" "/mnt/big/crater/work/local/test-source/worker-2/pr-56550/try#aa49d8ef14939ddec0e34b346b60174a5673d48f:/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 +aa49d8ef14939ddec0e34b346b60174a5673d48f-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 20:25:47.951 INFO [stdout] d43378e6360ca61a52743f69ad108c22f1f19c2dbfe789e44d782252a90af635
Dec 15 20:25:47.956 INFO running `"docker" "start" "-a" "d43378e6360ca61a52743f69ad108c22f1f19c2dbfe789e44d782252a90af635"`
Dec 15 20:25:48.402 INFO [stderr] usermod: no changes
Dec 15 20:25:48.404 INFO [stderr]    Compiling c4 v0.1.0 (/source)
Dec 15 20:25:49.059 INFO [stderr] warning: enum is never used: `Value`
Dec 15 20:25:49.059 INFO [stderr]  --> src/parser/mod.rs:5:1
Dec 15 20:25:49.059 INFO [stderr]   |
Dec 15 20:25:49.059 INFO [stderr] 5 | pub enum Value {
Dec 15 20:25:49.059 INFO [stderr]   | ^^^^^^^^^^^^^^
Dec 15 20:25:49.059 INFO [stderr]   |
Dec 15 20:25:49.059 INFO [stderr]   = note: #[warn(dead_code)] on by default
Dec 15 20:25:49.059 INFO [stderr] 
Dec 15 20:25:49.059 INFO [stderr] warning: method is never used: `from_vec`
Dec 15 20:25:49.059 INFO [stderr]   --> src/parser/mod.rs:11:5
Dec 15 20:25:49.059 INFO [stderr]    |
Dec 15 20:25:49.060 INFO [stderr] 11 |     pub fn from_vec(v: Vec<String>) -> Self {
Dec 15 20:25:49.060 INFO [stderr]    |     ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
Dec 15 20:25:49.060 INFO [stderr] 
Dec 15 20:25:49.060 INFO [stderr] warning: method is never used: `from_str`
Dec 15 20:25:49.060 INFO [stderr]   --> src/parser/mod.rs:15:5
Dec 15 20:25:49.060 INFO [stderr]    |
Dec 15 20:25:49.060 INFO [stderr] 15 |     pub fn from_str(s: &str) -> Self {
Dec 15 20:25:49.060 INFO [stderr]    |     ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
Dec 15 20:25:49.060 INFO [stderr] 
Dec 15 20:25:49.060 INFO [stderr] warning: method is never used: `from_string`
Dec 15 20:25:49.060 INFO [stderr]   --> src/parser/mod.rs:19:5
Dec 15 20:25:49.060 INFO [stderr]    |
Dec 15 20:25:49.060 INFO [stderr] 19 |     pub fn from_string(s: &String) -> Self {
Dec 15 20:25:49.060 INFO [stderr]    |     ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
Dec 15 20:25:49.060 INFO [stderr] 
Dec 15 20:25:49.060 INFO [stderr] warning: struct is never constructed: `Property`
Dec 15 20:25:49.060 INFO [stderr]   --> src/parser/mod.rs:24:1
Dec 15 20:25:49.060 INFO [stderr]    |
Dec 15 20:25:49.060 INFO [stderr] 24 | struct Property {
Dec 15 20:25:49.060 INFO [stderr]    | ^^^^^^^^^^^^^^^
Dec 15 20:25:49.060 INFO [stderr] 
Dec 15 20:25:49.060 INFO [stderr] warning: method is never used: `new`
Dec 15 20:25:49.060 INFO [stderr]   --> src/parser/mod.rs:30:5
Dec 15 20:25:49.060 INFO [stderr]    |
Dec 15 20:25:49.060 INFO [stderr] 30 |     pub fn new(_id: String, _value: Value) -> Self {
Dec 15 20:25:49.060 INFO [stderr]    |     ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
Dec 15 20:25:49.060 INFO [stderr] 
Dec 15 20:25:49.060 INFO [stderr] warning: struct is never constructed: `Rule`
Dec 15 20:25:49.060 INFO [stderr]   --> src/parser/mod.rs:35:1
Dec 15 20:25:49.060 INFO [stderr]    |
Dec 15 20:25:49.060 INFO [stderr] 35 | struct Rule {
Dec 15 20:25:49.060 INFO [stderr]    | ^^^^^^^^^^^
Dec 15 20:25:49.060 INFO [stderr] 
Dec 15 20:25:49.060 INFO [stderr] warning: struct is never constructed: `Selector`
Dec 15 20:25:49.060 INFO [stderr]   --> src/parser/mod.rs:39:1
Dec 15 20:25:49.060 INFO [stderr]    |
Dec 15 20:25:49.060 INFO [stderr] 39 | struct Selector(Vec<Rule>);
Dec 15 20:25:49.060 INFO [stderr]    | ^^^^^^^^^^^^^^^^^^^^^^^^^^^
Dec 15 20:25:49.060 INFO [stderr] 
Dec 15 20:25:49.268 INFO [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 0.87s
Dec 15 20:25:49.270 INFO [stderr] su: No module specific data is present
Dec 15 20:25:49.550 INFO running `"docker" "inspect" "d43378e6360ca61a52743f69ad108c22f1f19c2dbfe789e44d782252a90af635"`
Dec 15 20:25:49.660 INFO running `"docker" "rm" "-f" "d43378e6360ca61a52743f69ad108c22f1f19c2dbfe789e44d782252a90af635"`
Dec 15 20:25:49.739 INFO [stdout] d43378e6360ca61a52743f69ad108c22f1f19c2dbfe789e44d782252a90af635
Dec 15 20:25:49.740 INFO running `"docker" "create" "-v" "/mnt/big/crater/work/local/target-dirs/pr-56550/worker-2/try#aa49d8ef14939ddec0e34b346b60174a5673d48f:/target:rw,Z" "-v" "/mnt/big/crater/work/local/test-source/worker-2/pr-56550/try#aa49d8ef14939ddec0e34b346b60174a5673d48f:/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 +aa49d8ef14939ddec0e34b346b60174a5673d48f-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 20:25:49.935 INFO [stdout] 1f90ac4650da2c52110077760f0fa0cfc381c771331fe82c40703d2405c6fe72
Dec 15 20:25:49.937 INFO running `"docker" "start" "-a" "1f90ac4650da2c52110077760f0fa0cfc381c771331fe82c40703d2405c6fe72"`
Dec 15 20:25:50.450 INFO [stderr] usermod: no changes
Dec 15 20:25:50.488 INFO [stderr]    Compiling c4 v0.1.0 (/source)
Dec 15 20:25:51.259 INFO [stderr] warning: enum is never used: `Value`
Dec 15 20:25:51.259 INFO [stderr]  --> src/parser/mod.rs:5:1
Dec 15 20:25:51.259 INFO [stderr]   |
Dec 15 20:25:51.259 INFO [stderr] 5 | pub enum Value {
Dec 15 20:25:51.259 INFO [stderr]   | ^^^^^^^^^^^^^^
Dec 15 20:25:51.259 INFO [stderr]   |
Dec 15 20:25:51.259 INFO [stderr]   = note: #[warn(dead_code)] on by default
Dec 15 20:25:51.259 INFO [stderr] 
Dec 15 20:25:51.259 INFO [stderr] warning: method is never used: `from_vec`
Dec 15 20:25:51.259 INFO [stderr]   --> src/parser/mod.rs:11:5
Dec 15 20:25:51.259 INFO [stderr]    |
Dec 15 20:25:51.259 INFO [stderr] 11 |     pub fn from_vec(v: Vec<String>) -> Self {
Dec 15 20:25:51.259 INFO [stderr]    |     ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
Dec 15 20:25:51.259 INFO [stderr] 
Dec 15 20:25:51.259 INFO [stderr] warning: method is never used: `from_str`
Dec 15 20:25:51.259 INFO [stderr]   --> src/parser/mod.rs:15:5
Dec 15 20:25:51.259 INFO [stderr]    |
Dec 15 20:25:51.259 INFO [stderr] 15 |     pub fn from_str(s: &str) -> Self {
Dec 15 20:25:51.259 INFO [stderr]    |     ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
Dec 15 20:25:51.259 INFO [stderr] 
Dec 15 20:25:51.259 INFO [stderr] warning: method is never used: `from_string`
Dec 15 20:25:51.259 INFO [stderr]   --> src/parser/mod.rs:19:5
Dec 15 20:25:51.259 INFO [stderr]    |
Dec 15 20:25:51.259 INFO [stderr] 19 |     pub fn from_string(s: &String) -> Self {
Dec 15 20:25:51.259 INFO [stderr]    |     ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
Dec 15 20:25:51.259 INFO [stderr] 
Dec 15 20:25:51.259 INFO [stderr] warning: struct is never constructed: `Property`
Dec 15 20:25:51.259 INFO [stderr]   --> src/parser/mod.rs:24:1
Dec 15 20:25:51.259 INFO [stderr]    |
Dec 15 20:25:51.259 INFO [stderr] 24 | struct Property {
Dec 15 20:25:51.259 INFO [stderr]    | ^^^^^^^^^^^^^^^
Dec 15 20:25:51.259 INFO [stderr] 
Dec 15 20:25:51.259 INFO [stderr] warning: method is never used: `new`
Dec 15 20:25:51.259 INFO [stderr]   --> src/parser/mod.rs:30:5
Dec 15 20:25:51.259 INFO [stderr]    |
Dec 15 20:25:51.259 INFO [stderr] 30 |     pub fn new(_id: String, _value: Value) -> Self {
Dec 15 20:25:51.259 INFO [stderr]    |     ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
Dec 15 20:25:51.259 INFO [stderr] 
Dec 15 20:25:51.259 INFO [stderr] warning: struct is never constructed: `Rule`
Dec 15 20:25:51.259 INFO [stderr]   --> src/parser/mod.rs:35:1
Dec 15 20:25:51.259 INFO [stderr]    |
Dec 15 20:25:51.260 INFO [stderr] 35 | struct Rule {
Dec 15 20:25:51.260 INFO [stderr]    | ^^^^^^^^^^^
Dec 15 20:25:51.260 INFO [stderr] 
Dec 15 20:25:51.260 INFO [stderr] warning: struct is never constructed: `Selector`
Dec 15 20:25:51.260 INFO [stderr]   --> src/parser/mod.rs:39:1
Dec 15 20:25:51.260 INFO [stderr]    |
Dec 15 20:25:51.260 INFO [stderr] 39 | struct Selector(Vec<Rule>);
Dec 15 20:25:51.260 INFO [stderr]    | ^^^^^^^^^^^^^^^^^^^^^^^^^^^
Dec 15 20:25:51.260 INFO [stderr] 
Dec 15 20:25:51.505 INFO [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 1.03s
Dec 15 20:25:51.507 INFO [stderr] su: No module specific data is present
Dec 15 20:25:51.929 INFO running `"docker" "inspect" "1f90ac4650da2c52110077760f0fa0cfc381c771331fe82c40703d2405c6fe72"`
Dec 15 20:25:52.015 INFO running `"docker" "rm" "-f" "1f90ac4650da2c52110077760f0fa0cfc381c771331fe82c40703d2405c6fe72"`
Dec 15 20:25:52.115 INFO [stdout] 1f90ac4650da2c52110077760f0fa0cfc381c771331fe82c40703d2405c6fe72
Dec 15 20:25:52.117 INFO running `"docker" "create" "-v" "/mnt/big/crater/work/local/target-dirs/pr-56550/worker-2/try#aa49d8ef14939ddec0e34b346b60174a5673d48f:/target:rw,Z" "-v" "/mnt/big/crater/work/local/test-source/worker-2/pr-56550/try#aa49d8ef14939ddec0e34b346b60174a5673d48f:/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 +aa49d8ef14939ddec0e34b346b60174a5673d48f-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 20:25:52.302 INFO [stdout] 0f108ca5fcbc5e584daa01609f40e92ffe907191d491088763ee0c804ab1ebd1
Dec 15 20:25:52.304 INFO running `"docker" "start" "-a" "0f108ca5fcbc5e584daa01609f40e92ffe907191d491088763ee0c804ab1ebd1"`
Dec 15 20:25:52.713 INFO [stderr] usermod: no changes
Dec 15 20:25:52.738 INFO [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 0.01s
Dec 15 20:25:52.739 INFO [stderr]      Running /target/debug/deps/c4-e0c3def1a5bcb1bc
Dec 15 20:25:52.740 INFO [stdout] 
Dec 15 20:25:52.740 INFO [stdout] running 0 tests
Dec 15 20:25:52.740 INFO [stdout] 
Dec 15 20:25:52.740 INFO [stdout] test result: ok. 0 passed; 0 failed; 0 ignored; 0 measured; 0 filtered out
Dec 15 20:25:52.740 INFO [stdout] 
Dec 15 20:25:52.741 INFO [stderr]    Doc-tests c4
Dec 15 20:25:53.806 INFO [stdout] 
Dec 15 20:25:53.806 INFO [stdout] running 0 tests
Dec 15 20:25:53.806 INFO [stdout] 
Dec 15 20:25:53.806 INFO [stdout] test result: ok. 0 passed; 0 failed; 0 ignored; 0 measured; 0 filtered out
Dec 15 20:25:53.806 INFO [stdout] 
Dec 15 20:25:53.827 INFO [stderr] su: No module specific data is present
Dec 15 20:25:54.072 INFO running `"docker" "inspect" "0f108ca5fcbc5e584daa01609f40e92ffe907191d491088763ee0c804ab1ebd1"`
Dec 15 20:25:54.141 INFO running `"docker" "rm" "-f" "0f108ca5fcbc5e584daa01609f40e92ffe907191d491088763ee0c804ab1ebd1"`
Dec 15 20:25:54.241 INFO [stdout] 0f108ca5fcbc5e584daa01609f40e92ffe907191d491088763ee0c804ab1ebd1