[INFO] updating cached repository iammichiel/sass-rust
[INFO] running `"git" "fetch" "--all"`
[INFO] [stdout] Fetching origin
[INFO] [stderr] From git://github.com/iammichiel/sass-rust
[INFO] [stderr]  * branch            HEAD       -> FETCH_HEAD
[INFO] running `"git" "clone" "work/cache/sources/gh/iammichiel/sass-rust" "work/ex/beta-1.38-1/sources/1.37.0/gh/iammichiel/sass-rust"`
[INFO] [stderr] Cloning into 'work/ex/beta-1.38-1/sources/1.37.0/gh/iammichiel/sass-rust'...
[INFO] [stderr] done.
[INFO] running `"git" "clone" "work/cache/sources/gh/iammichiel/sass-rust" "work/ex/beta-1.38-1/sources/beta-2019-08-13/gh/iammichiel/sass-rust"`
[INFO] [stderr] Cloning into 'work/ex/beta-1.38-1/sources/beta-2019-08-13/gh/iammichiel/sass-rust'...
[INFO] [stderr] done.
[INFO] running `"git" "rev-parse" "HEAD"`
[INFO] [stdout] e12678b3ba84fa024c9a8c416ba1d67585c7f24d
[INFO] sha for GitHub repo iammichiel/sass-rust: e12678b3ba84fa024c9a8c416ba1d67585c7f24d
[INFO] validating manifest of iammichiel/sass-rust on toolchain 1.37.0
[INFO] running `"/mnt/big/crater/work/local/cargo-home/bin/cargo" "+1.37.0" "read-manifest" "--manifest-path" "Cargo.toml"`
[INFO] validating manifest of iammichiel/sass-rust on toolchain beta-2019-08-13
[INFO] running `"/mnt/big/crater/work/local/cargo-home/bin/cargo" "+beta-2019-08-13" "read-manifest" "--manifest-path" "Cargo.toml"`
[INFO] started frobbing iammichiel/sass-rust
[INFO] finished frobbing iammichiel/sass-rust
[INFO] frobbed toml for iammichiel/sass-rust written to work/ex/beta-1.38-1/sources/1.37.0/gh/iammichiel/sass-rust/Cargo.toml
[INFO] started frobbing iammichiel/sass-rust
[INFO] finished frobbing iammichiel/sass-rust
[INFO] frobbed toml for iammichiel/sass-rust written to work/ex/beta-1.38-1/sources/beta-2019-08-13/gh/iammichiel/sass-rust/Cargo.toml
[INFO] crate iammichiel/sass-rust already has a lockfile, it will not be regenerated
[INFO] running `"/mnt/big/crater/work/local/cargo-home/bin/cargo" "+1.37.0" "fetch" "--locked" "--manifest-path" "Cargo.toml"`
[INFO] running `"/mnt/big/crater/work/local/cargo-home/bin/cargo" "+beta-2019-08-13" "fetch" "--locked" "--manifest-path" "Cargo.toml"`
[INFO] testing iammichiel/sass-rust against 1.37.0 for beta-1.38-1
[INFO] running `"docker" "create" "-v" "/mnt/big/crater/work/local/target-dirs/beta-1.38-1/worker-4/1.37.0:/opt/crater/target:rw,Z" "-v" "/mnt/big/crater/work/ex/beta-1.38-1/sources/1.37.0/gh/iammichiel/sass-rust:/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=warn" "-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" "+1.37.0" "build" "--frozen"`
[INFO] [stdout] 45eee5a609ad19d2e5b913c22dc9a7a24aa93b407502c103a3cfa6d52937a974
[INFO] running `"docker" "start" "-a" "45eee5a609ad19d2e5b913c22dc9a7a24aa93b407502c103a3cfa6d52937a974"`
[INFO] [stderr]    Compiling sass-rust v0.1.0 (/opt/crater/workdir)
[INFO] [stderr] warning: struct is never constructed: `Token`
[INFO] [stderr]  --> src/tokenizer.rs:1:1
[INFO] [stderr]   |
[INFO] [stderr] 1 | pub struct Token(pub TokenType, pub Option<String>);
[INFO] [stderr]   | ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stderr]   |
[INFO] [stderr]   = note: #[warn(dead_code)] on by default
[INFO] [stderr] 
[INFO] [stderr] warning: variant is never constructed: `Selector`
[INFO] [stderr]  --> src/tokenizer.rs:5:5
[INFO] [stderr]   |
[INFO] [stderr] 5 |     Selector,
[INFO] [stderr]   |     ^^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: variant is never constructed: `VariableName`
[INFO] [stderr]  --> src/tokenizer.rs:6:5
[INFO] [stderr]   |
[INFO] [stderr] 6 |     VariableName,
[INFO] [stderr]   |     ^^^^^^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: variant is never constructed: `VariableValue`
[INFO] [stderr]  --> src/tokenizer.rs:7:5
[INFO] [stderr]   |
[INFO] [stderr] 7 |     VariableValue, 
[INFO] [stderr]   |     ^^^^^^^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: variant is never constructed: `OpenBrace`
[INFO] [stderr]  --> src/tokenizer.rs:8:5
[INFO] [stderr]   |
[INFO] [stderr] 8 |     OpenBrace, 
[INFO] [stderr]   |     ^^^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: variant is never constructed: `CloseBrace`
[INFO] [stderr]  --> src/tokenizer.rs:9:5
[INFO] [stderr]   |
[INFO] [stderr] 9 |     CloseBrace, 
[INFO] [stderr]   |     ^^^^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: variant is never constructed: `PropertyName`
[INFO] [stderr]   --> src/tokenizer.rs:10:5
[INFO] [stderr]    |
[INFO] [stderr] 10 |     PropertyName, 
[INFO] [stderr]    |     ^^^^^^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: variant is never constructed: `PropertyValue`
[INFO] [stderr]   --> src/tokenizer.rs:11:5
[INFO] [stderr]    |
[INFO] [stderr] 11 |     PropertyValue
[INFO] [stderr]    |     ^^^^^^^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: function is never used: `tokenize`
[INFO] [stderr]   --> src/tokenizer.rs:14:1
[INFO] [stderr]    |
[INFO] [stderr] 14 | pub fn tokenize(content: String) -> Vec<Token>
[INFO] [stderr]    | ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: struct is never constructed: `Node`
[INFO] [stderr]   --> src/main.rs:49:1
[INFO] [stderr]    |
[INFO] [stderr] 49 | struct Node {
[INFO] [stderr]    | ^^^^^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: struct is never constructed: `Property`
[INFO] [stderr]   --> src/main.rs:54:1
[INFO] [stderr]    |
[INFO] [stderr] 54 | struct Property {
[INFO] [stderr]    | ^^^^^^^^^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: function is never used: `format`
[INFO] [stderr]   --> src/main.rs:59:1
[INFO] [stderr]    |
[INFO] [stderr] 59 | fn format(nodes: Vec<Node>, _style: String) -> String 
[INFO] [stderr]    | ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stderr] 
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 1.97s
[INFO] running `"docker" "inspect" "45eee5a609ad19d2e5b913c22dc9a7a24aa93b407502c103a3cfa6d52937a974"`
[INFO] running `"docker" "rm" "-f" "45eee5a609ad19d2e5b913c22dc9a7a24aa93b407502c103a3cfa6d52937a974"`
[INFO] [stdout] 45eee5a609ad19d2e5b913c22dc9a7a24aa93b407502c103a3cfa6d52937a974
[INFO] running `"docker" "create" "-v" "/mnt/big/crater/work/local/target-dirs/beta-1.38-1/worker-4/1.37.0:/opt/crater/target:rw,Z" "-v" "/mnt/big/crater/work/ex/beta-1.38-1/sources/1.37.0/gh/iammichiel/sass-rust:/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=warn" "-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" "+1.37.0" "test" "--frozen" "--no-run"`
[INFO] [stdout] 8b080a83725a81ac0f5ef54ae71544a1083bd9eefc6840f64785e45e9746adca
[INFO] running `"docker" "start" "-a" "8b080a83725a81ac0f5ef54ae71544a1083bd9eefc6840f64785e45e9746adca"`
[INFO] [stderr]    Compiling sass-rust v0.1.0 (/opt/crater/workdir)
[INFO] [stderr] warning: unused variable: `result`
[INFO] [stderr]    --> src/tokenizer.rs:146:9
[INFO] [stderr]     |
[INFO] [stderr] 146 |     let result = tokenize("a { color: blue; ".to_string());
[INFO] [stderr]     |         ^^^^^^ help: consider prefixing with an underscore: `_result`
[INFO] [stderr]     |
[INFO] [stderr]     = note: #[warn(unused_variables)] on by default
[INFO] [stderr] 
[INFO] [stderr] warning: struct is never constructed: `Node`
[INFO] [stderr]   --> src/main.rs:49:1
[INFO] [stderr]    |
[INFO] [stderr] 49 | struct Node {
[INFO] [stderr]    | ^^^^^^^^^^^
[INFO] [stderr]    |
[INFO] [stderr]    = note: #[warn(dead_code)] on by default
[INFO] [stderr] 
[INFO] [stderr] warning: struct is never constructed: `Property`
[INFO] [stderr]   --> src/main.rs:54:1
[INFO] [stderr]    |
[INFO] [stderr] 54 | struct Property {
[INFO] [stderr]    | ^^^^^^^^^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: function is never used: `format`
[INFO] [stderr]   --> src/main.rs:59:1
[INFO] [stderr]    |
[INFO] [stderr] 59 | fn format(nodes: Vec<Node>, _style: String) -> String 
[INFO] [stderr]    | ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stderr] 
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 2.08s
[INFO] running `"docker" "inspect" "8b080a83725a81ac0f5ef54ae71544a1083bd9eefc6840f64785e45e9746adca"`
[INFO] running `"docker" "rm" "-f" "8b080a83725a81ac0f5ef54ae71544a1083bd9eefc6840f64785e45e9746adca"`
[INFO] [stdout] 8b080a83725a81ac0f5ef54ae71544a1083bd9eefc6840f64785e45e9746adca
[INFO] running `"docker" "create" "-v" "/mnt/big/crater/work/local/target-dirs/beta-1.38-1/worker-4/1.37.0:/opt/crater/target:rw,Z" "-v" "/mnt/big/crater/work/ex/beta-1.38-1/sources/1.37.0/gh/iammichiel/sass-rust:/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=warn" "-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" "+1.37.0" "test" "--frozen"`
[INFO] [stdout] 23f804fadfca549ed53d1e0c9e3917d77b7402235c2f6cff9249c3d79f55eb32
[INFO] running `"docker" "start" "-a" "23f804fadfca549ed53d1e0c9e3917d77b7402235c2f6cff9249c3d79f55eb32"`
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 0.02s
[INFO] [stderr]      Running /opt/crater/target/debug/deps/sass_rust-64f15e630301d42e
[INFO] [stdout] 
[INFO] [stdout] running 5 tests
[INFO] [stdout] test tokenizer::test_basic_parsing ... ignored
[INFO] [stdout] test tokenizer::test_empty_parsing ... ignored
[INFO] [stdout] test tokenizer::test_nested_parsing ... ignored
[INFO] [stdout] test tokenizer::test_variable_parsing ... ok
[INFO] [stdout] test tokenizer::test_unclosed_brace ... ok
[INFO] [stdout] 
[INFO] [stdout] test result: ok. 2 passed; 0 failed; 3 ignored; 0 measured; 0 filtered out
[INFO] [stdout] 
[INFO] [stderr]      Running /opt/crater/target/debug/deps/token-bb3fdd5ef059daa9
[INFO] [stdout] 
[INFO] [stdout] running 1 test
[INFO] [stdout] test tests::it_adds_two ... ok
[INFO] [stdout] 
[INFO] [stdout] test result: ok. 1 passed; 0 failed; 0 ignored; 0 measured; 0 filtered out
[INFO] [stdout] 
[INFO] running `"docker" "inspect" "23f804fadfca549ed53d1e0c9e3917d77b7402235c2f6cff9249c3d79f55eb32"`
[INFO] running `"docker" "rm" "-f" "23f804fadfca549ed53d1e0c9e3917d77b7402235c2f6cff9249c3d79f55eb32"`
[INFO] [stdout] 23f804fadfca549ed53d1e0c9e3917d77b7402235c2f6cff9249c3d79f55eb32