[INFO] updating cached repository hindenbug/rtstc
[INFO] running `"git" "fetch" "--all"`
[INFO] [stdout] Fetching origin
[INFO] [stderr] From git://github.com/hindenbug/rtstc
[INFO] [stderr]  * branch            HEAD       -> FETCH_HEAD
[INFO] running `"git" "clone" "work/cache/sources/gh/hindenbug/rtstc" "work/ex/pr-57967/sources/master#c1c3c4e95b69dfeaca5c5db6c622d7f90ad30a54/gh/hindenbug/rtstc"`
[INFO] [stderr] Cloning into 'work/ex/pr-57967/sources/master#c1c3c4e95b69dfeaca5c5db6c622d7f90ad30a54/gh/hindenbug/rtstc'...
[INFO] [stderr] done.
[INFO] running `"git" "clone" "work/cache/sources/gh/hindenbug/rtstc" "work/ex/pr-57967/sources/try#7fea0229842e79db1159ea58ad9a653b288efee9/gh/hindenbug/rtstc"`
[INFO] [stderr] Cloning into 'work/ex/pr-57967/sources/try#7fea0229842e79db1159ea58ad9a653b288efee9/gh/hindenbug/rtstc'...
[INFO] [stderr] done.
[INFO] running `"git" "rev-parse" "HEAD"`
[INFO] [stdout] 25f582d234f2b087ba11dce1444a7ca4290386bc
[INFO] sha for GitHub repo hindenbug/rtstc: 25f582d234f2b087ba11dce1444a7ca4290386bc
[INFO] validating manifest of hindenbug/rtstc on toolchain master#c1c3c4e95b69dfeaca5c5db6c622d7f90ad30a54
[INFO] running `"/mnt/big/crater/work/local/cargo-home/bin/cargo" "+c1c3c4e95b69dfeaca5c5db6c622d7f90ad30a54-alt" "read-manifest" "--manifest-path" "Cargo.toml"`
[INFO] validating manifest of hindenbug/rtstc on toolchain try#7fea0229842e79db1159ea58ad9a653b288efee9
[INFO] running `"/mnt/big/crater/work/local/cargo-home/bin/cargo" "+7fea0229842e79db1159ea58ad9a653b288efee9-alt" "read-manifest" "--manifest-path" "Cargo.toml"`
[INFO] started frobbing hindenbug/rtstc
[INFO] finished frobbing hindenbug/rtstc
[INFO] frobbed toml for hindenbug/rtstc written to work/ex/pr-57967/sources/master#c1c3c4e95b69dfeaca5c5db6c622d7f90ad30a54/gh/hindenbug/rtstc/Cargo.toml
[INFO] started frobbing hindenbug/rtstc
[INFO] finished frobbing hindenbug/rtstc
[INFO] frobbed toml for hindenbug/rtstc written to work/ex/pr-57967/sources/try#7fea0229842e79db1159ea58ad9a653b288efee9/gh/hindenbug/rtstc/Cargo.toml
[INFO] crate hindenbug/rtstc has a lockfile. skipping
[INFO] running `"/mnt/big/crater/work/local/cargo-home/bin/cargo" "+c1c3c4e95b69dfeaca5c5db6c622d7f90ad30a54-alt" "fetch" "--locked" "--manifest-path" "Cargo.toml"`
[INFO] running `"/mnt/big/crater/work/local/cargo-home/bin/cargo" "+7fea0229842e79db1159ea58ad9a653b288efee9-alt" "fetch" "--locked" "--manifest-path" "Cargo.toml"`
[INFO] testing hindenbug/rtstc against master#c1c3c4e95b69dfeaca5c5db6c622d7f90ad30a54 for pr-57967
[INFO] running `"docker" "create" "-v" "/mnt/big/crater/work/local/target-dirs/pr-57967/worker-4/master#c1c3c4e95b69dfeaca5c5db6c622d7f90ad30a54:/opt/crater/target:rw,Z" "-v" "/mnt/big/crater/work/ex/pr-57967/sources/master#c1c3c4e95b69dfeaca5c5db6c622d7f90ad30a54/gh/hindenbug/rtstc:/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=forbid" "-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" "+c1c3c4e95b69dfeaca5c5db6c622d7f90ad30a54-alt" "build" "--frozen"`
[INFO] [stdout] 9d86d72cab2a5db96a8f907d4e50d78ea02b26f00b6e7f7c2964acdd86a0677a
[INFO] running `"docker" "start" "-a" "9d86d72cab2a5db96a8f907d4e50d78ea02b26f00b6e7f7c2964acdd86a0677a"`
[INFO] [stderr]    Compiling rtstc v0.1.0 (/opt/crater/workdir)
[INFO] [stderr] warning: unused variable: `ast`
[INFO] [stderr]  --> src/traverser.rs:8:17
[INFO] [stderr]   |
[INFO] [stderr] 8 | pub fn traverse(ast: ::parser::Node) {
[INFO] [stderr]   |                 ^^^ help: consider prefixing with an underscore: `_ast`
[INFO] [stderr]   |
[INFO] [stderr]   = note: #[warn(unused_variables)] on by default
[INFO] [stderr] 
[INFO] [stderr] warning: struct is never constructed: `Visitor`
[INFO] [stderr]  --> src/traverser.rs:1:1
[INFO] [stderr]   |
[INFO] [stderr] 1 | struct Visitor {
[INFO] [stderr]   | ^^^^^^^^^^^^^^
[INFO] [stderr]   |
[INFO] [stderr]   = note: #[warn(dead_code)] on by default
[INFO] [stderr] 
[INFO] [stderr] warning: function is never used: `traverse`
[INFO] [stderr]  --> src/traverser.rs:8:1
[INFO] [stderr]   |
[INFO] [stderr] 8 | pub fn traverse(ast: ::parser::Node) {
[INFO] [stderr]   | ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stderr] 
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 0.51s
[INFO] running `"docker" "inspect" "9d86d72cab2a5db96a8f907d4e50d78ea02b26f00b6e7f7c2964acdd86a0677a"`
[INFO] running `"docker" "rm" "-f" "9d86d72cab2a5db96a8f907d4e50d78ea02b26f00b6e7f7c2964acdd86a0677a"`
[INFO] [stdout] 9d86d72cab2a5db96a8f907d4e50d78ea02b26f00b6e7f7c2964acdd86a0677a
[INFO] running `"docker" "create" "-v" "/mnt/big/crater/work/local/target-dirs/pr-57967/worker-4/master#c1c3c4e95b69dfeaca5c5db6c622d7f90ad30a54:/opt/crater/target:rw,Z" "-v" "/mnt/big/crater/work/ex/pr-57967/sources/master#c1c3c4e95b69dfeaca5c5db6c622d7f90ad30a54/gh/hindenbug/rtstc:/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=forbid" "-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" "+c1c3c4e95b69dfeaca5c5db6c622d7f90ad30a54-alt" "test" "--frozen" "--no-run"`
[INFO] [stdout] dc92d6ac7f16179dbac7de4d787720a0da89ff63ec3e2c30ad5cda6a5363c5e5
[INFO] running `"docker" "start" "-a" "dc92d6ac7f16179dbac7de4d787720a0da89ff63ec3e2c30ad5cda6a5363c5e5"`
[INFO] [stderr]    Compiling rtstc v0.1.0 (/opt/crater/workdir)
[INFO] [stderr] warning: unused variable: `ast`
[INFO] [stderr]  --> src/traverser.rs:8:17
[INFO] [stderr]   |
[INFO] [stderr] 8 | pub fn traverse(ast: ::parser::Node) {
[INFO] [stderr]   |                 ^^^ help: consider prefixing with an underscore: `_ast`
[INFO] [stderr]   |
[INFO] [stderr]   = note: #[warn(unused_variables)] on by default
[INFO] [stderr] 
[INFO] [stderr] warning: struct is never constructed: `Visitor`
[INFO] [stderr]  --> src/traverser.rs:1:1
[INFO] [stderr]   |
[INFO] [stderr] 1 | struct Visitor {
[INFO] [stderr]   | ^^^^^^^^^^^^^^
[INFO] [stderr]   |
[INFO] [stderr]   = note: #[warn(dead_code)] on by default
[INFO] [stderr] 
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 0.93s
[INFO] running `"docker" "inspect" "dc92d6ac7f16179dbac7de4d787720a0da89ff63ec3e2c30ad5cda6a5363c5e5"`
[INFO] running `"docker" "rm" "-f" "dc92d6ac7f16179dbac7de4d787720a0da89ff63ec3e2c30ad5cda6a5363c5e5"`
[INFO] [stdout] dc92d6ac7f16179dbac7de4d787720a0da89ff63ec3e2c30ad5cda6a5363c5e5
[INFO] running `"docker" "create" "-v" "/mnt/big/crater/work/local/target-dirs/pr-57967/worker-4/master#c1c3c4e95b69dfeaca5c5db6c622d7f90ad30a54:/opt/crater/target:rw,Z" "-v" "/mnt/big/crater/work/ex/pr-57967/sources/master#c1c3c4e95b69dfeaca5c5db6c622d7f90ad30a54/gh/hindenbug/rtstc:/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=forbid" "-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" "+c1c3c4e95b69dfeaca5c5db6c622d7f90ad30a54-alt" "test" "--frozen"`
[INFO] [stdout] 7deec75102afb0b8b095ee19c2a23c12c6d7a883a387787a772cab023f2567b3
[INFO] running `"docker" "start" "-a" "7deec75102afb0b8b095ee19c2a23c12c6d7a883a387787a772cab023f2567b3"`
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 0.01s
[INFO] [stderr]      Running /opt/crater/target/debug/deps/rtstc-ee7591beedbdf40d
[INFO] [stdout] 
[INFO] [stdout] running 4 tests
[INFO] [stdout] test traverser::tests::test_traverser_1 ... ok
[INFO] [stdout] test tokenizer::tests::test_tokenizer_2 ... ok
[INFO] [stdout] test tokenizer::tests::test_tokenizer_1 ... ok
[INFO] [stdout] test parser::tests::test_parse_1 ... ok
[INFO] [stdout] 
[INFO] [stdout] test result: ok. 4 passed; 0 failed; 0 ignored; 0 measured; 0 filtered out
[INFO] [stdout] 
[INFO] running `"docker" "inspect" "7deec75102afb0b8b095ee19c2a23c12c6d7a883a387787a772cab023f2567b3"`
[INFO] running `"docker" "rm" "-f" "7deec75102afb0b8b095ee19c2a23c12c6d7a883a387787a772cab023f2567b3"`
[INFO] [stdout] 7deec75102afb0b8b095ee19c2a23c12c6d7a883a387787a772cab023f2567b3