[INFO] updating cached repository chryslovelace/mixfix
[INFO] running `"git" "fetch" "--all"`
[INFO] [stdout] Fetching origin
[INFO] [stderr] From git://github.com/chryslovelace/mixfix
[INFO] [stderr]  * branch            HEAD       -> FETCH_HEAD
[INFO] running `"git" "clone" "work/cache/sources/gh/chryslovelace/mixfix" "work/ex/beta-1.37-6/sources/1.36.0/gh/chryslovelace/mixfix"`
[INFO] [stderr] Cloning into 'work/ex/beta-1.37-6/sources/1.36.0/gh/chryslovelace/mixfix'...
[INFO] [stderr] done.
[INFO] running `"git" "clone" "work/cache/sources/gh/chryslovelace/mixfix" "work/ex/beta-1.37-6/sources/beta-2019-07-23/gh/chryslovelace/mixfix"`
[INFO] [stderr] Cloning into 'work/ex/beta-1.37-6/sources/beta-2019-07-23/gh/chryslovelace/mixfix'...
[INFO] [stderr] done.
[INFO] running `"git" "rev-parse" "HEAD"`
[INFO] [stdout] f87cad659c2c22f8fba54e2198bc83e8fc047956
[INFO] sha for GitHub repo chryslovelace/mixfix: f87cad659c2c22f8fba54e2198bc83e8fc047956
[INFO] validating manifest of chryslovelace/mixfix on toolchain 1.36.0
[INFO] running `"/mnt/big/crater/work/local/cargo-home/bin/cargo" "+1.36.0" "read-manifest" "--manifest-path" "Cargo.toml"`
[INFO] validating manifest of chryslovelace/mixfix on toolchain beta-2019-07-23
[INFO] running `"/mnt/big/crater/work/local/cargo-home/bin/cargo" "+beta-2019-07-23" "read-manifest" "--manifest-path" "Cargo.toml"`
[INFO] started frobbing chryslovelace/mixfix
[INFO] finished frobbing chryslovelace/mixfix
[INFO] frobbed toml for chryslovelace/mixfix written to work/ex/beta-1.37-6/sources/1.36.0/gh/chryslovelace/mixfix/Cargo.toml
[INFO] started frobbing chryslovelace/mixfix
[INFO] finished frobbing chryslovelace/mixfix
[INFO] frobbed toml for chryslovelace/mixfix written to work/ex/beta-1.37-6/sources/beta-2019-07-23/gh/chryslovelace/mixfix/Cargo.toml
[INFO] crate chryslovelace/mixfix already has a lockfile, it will not be regenerated
[INFO] running `"/mnt/big/crater/work/local/cargo-home/bin/cargo" "+1.36.0" "fetch" "--locked" "--manifest-path" "Cargo.toml"`
[INFO] running `"/mnt/big/crater/work/local/cargo-home/bin/cargo" "+beta-2019-07-23" "fetch" "--locked" "--manifest-path" "Cargo.toml"`
[INFO] testing chryslovelace/mixfix against 1.36.0 for beta-1.37-6
[INFO] running `"docker" "create" "-v" "/mnt/big/crater/work/local/target-dirs/beta-1.37-6/worker-0/1.36.0:/opt/crater/target:rw,Z" "-v" "/mnt/big/crater/work/ex/beta-1.37-6/sources/1.36.0/gh/chryslovelace/mixfix:/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" "+1.36.0" "build" "--frozen"`
[INFO] [stdout] 84f3d3796a2719d21aa86e65b3bc0654640c50ad1f51df3fb2fee25df8406694
[INFO] running `"docker" "start" "-a" "84f3d3796a2719d21aa86e65b3bc0654640c50ad1f51df3fb2fee25df8406694"`
[INFO] [stderr]    Compiling mixfix v0.1.0 (/opt/crater/workdir)
[INFO] [stderr] warning: unused import: `NamePart`
[INFO] [stderr]  --> src/parser.rs:6:16
[INFO] [stderr]   |
[INFO] [stderr] 6 | use operator::{NamePart, Operator};
[INFO] [stderr]   |                ^^^^^^^^
[INFO] [stderr]   |
[INFO] [stderr]   = note: #[warn(unused_imports)] on by default
[INFO] [stderr] 
[INFO] [stderr] warning: method is never used: `well_formed`
[INFO] [stderr]   --> src/expr.rs:14:5
[INFO] [stderr]    |
[INFO] [stderr] 14 |     pub fn well_formed(&self) -> bool {
[INFO] [stderr]    |     ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stderr]    |
[INFO] [stderr]    = note: #[warn(dead_code)] on by default
[INFO] [stderr] 
[INFO] [stderr] warning: method is never used: `arity`
[INFO] [stderr]   --> src/operator.rs:15:5
[INFO] [stderr]    |
[INFO] [stderr] 15 |     pub fn arity(&self) -> usize {
[INFO] [stderr]    |     ^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: variant is never constructed: `UnparsedInput`
[INFO] [stderr]   --> src/parser.rs:15:5
[INFO] [stderr]    |
[INFO] [stderr] 15 |     UnparsedInput(ParseInput<'a>),
[INFO] [stderr]    |     ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: function is never used: `parse_expr`
[INFO] [stderr]    --> src/parser.rs:330:1
[INFO] [stderr]     |
[INFO] [stderr] 330 | / pub fn parse_expr<'i, G: PrecedenceGraph>(
[INFO] [stderr] 331 | |     graph: &G,
[INFO] [stderr] 332 | |     tokens: ParseInput<'i>,
[INFO] [stderr] 333 | | ) -> Result<Expr, ParseError<'i>> {
[INFO] [stderr] ...   |
[INFO] [stderr] 339 | |     }
[INFO] [stderr] 340 | | }
[INFO] [stderr]     | |_^
[INFO] [stderr] 
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 0.70s
[INFO] running `"docker" "inspect" "84f3d3796a2719d21aa86e65b3bc0654640c50ad1f51df3fb2fee25df8406694"`
[INFO] running `"docker" "rm" "-f" "84f3d3796a2719d21aa86e65b3bc0654640c50ad1f51df3fb2fee25df8406694"`
[INFO] [stdout] 84f3d3796a2719d21aa86e65b3bc0654640c50ad1f51df3fb2fee25df8406694
[INFO] running `"docker" "create" "-v" "/mnt/big/crater/work/local/target-dirs/beta-1.37-6/worker-0/1.36.0:/opt/crater/target:rw,Z" "-v" "/mnt/big/crater/work/ex/beta-1.37-6/sources/1.36.0/gh/chryslovelace/mixfix:/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" "+1.36.0" "test" "--frozen" "--no-run"`
[INFO] [stdout] 25173634ffee94a138488e55d394678bb1adcfdcbb7503f32f5a86c0442ddf6d
[INFO] running `"docker" "start" "-a" "25173634ffee94a138488e55d394678bb1adcfdcbb7503f32f5a86c0442ddf6d"`
[INFO] [stderr]    Compiling mixfix v0.1.0 (/opt/crater/workdir)
[INFO] [stderr] warning: unused import: `NamePart`
[INFO] [stderr]  --> src/parser.rs:6:16
[INFO] [stderr]   |
[INFO] [stderr] 6 | use operator::{NamePart, Operator};
[INFO] [stderr]   |                ^^^^^^^^
[INFO] [stderr]   |
[INFO] [stderr]   = note: #[warn(unused_imports)] on by default
[INFO] [stderr] 
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 3.79s
[INFO] running `"docker" "inspect" "25173634ffee94a138488e55d394678bb1adcfdcbb7503f32f5a86c0442ddf6d"`
[INFO] running `"docker" "rm" "-f" "25173634ffee94a138488e55d394678bb1adcfdcbb7503f32f5a86c0442ddf6d"`
[INFO] [stdout] 25173634ffee94a138488e55d394678bb1adcfdcbb7503f32f5a86c0442ddf6d
[INFO] running `"docker" "create" "-v" "/mnt/big/crater/work/local/target-dirs/beta-1.37-6/worker-0/1.36.0:/opt/crater/target:rw,Z" "-v" "/mnt/big/crater/work/ex/beta-1.37-6/sources/1.36.0/gh/chryslovelace/mixfix:/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" "+1.36.0" "test" "--frozen"`
[INFO] [stdout] b4ed435fd9defa2e5117f4f489ec2087f9de4d47208cd792d0f7e9b4ad5582eb
[INFO] running `"docker" "start" "-a" "b4ed435fd9defa2e5117f4f489ec2087f9de4d47208cd792d0f7e9b4ad5582eb"`
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 0.04s
[INFO] [stderr]      Running /opt/crater/target/debug/deps/mixfix-bd3b0990f299848e
[INFO] [stdout] 
[INFO] [stdout] running 5 tests
[INFO] [stdout] test operator::tests::test_backbone ... ok
[INFO] [stdout] test parser::tests::test_apply ... ok
[INFO] [stdout] test parser::tests::test_tok ... ok
[INFO] [stdout] test parser::tests::test_simple_parse ... ok
[INFO] [stdout] test parser::tests::test_unexpected_token ... ok
[INFO] [stdout] 
[INFO] [stdout] test result: ok. 5 passed; 0 failed; 0 ignored; 0 measured; 0 filtered out
[INFO] [stdout] 
[INFO] running `"docker" "inspect" "b4ed435fd9defa2e5117f4f489ec2087f9de4d47208cd792d0f7e9b4ad5582eb"`
[INFO] running `"docker" "rm" "-f" "b4ed435fd9defa2e5117f4f489ec2087f9de4d47208cd792d0f7e9b4ad5582eb"`
[INFO] [stdout] b4ed435fd9defa2e5117f4f489ec2087f9de4d47208cd792d0f7e9b4ad5582eb