[INFO] updating cached repository pnathan/signifier [INFO] running `"git" "fetch" "--all"` [INFO] [stdout] Fetching origin [INFO] [stderr] From git://github.com/pnathan/signifier [INFO] [stderr] * branch HEAD -> FETCH_HEAD [INFO] running `"git" "clone" "work/cache/sources/gh/pnathan/signifier" "work/ex/pr-57967/sources/master#c1c3c4e95b69dfeaca5c5db6c622d7f90ad30a54/gh/pnathan/signifier"` [INFO] [stderr] Cloning into 'work/ex/pr-57967/sources/master#c1c3c4e95b69dfeaca5c5db6c622d7f90ad30a54/gh/pnathan/signifier'... [INFO] [stderr] done. [INFO] running `"git" "clone" "work/cache/sources/gh/pnathan/signifier" "work/ex/pr-57967/sources/try#7fea0229842e79db1159ea58ad9a653b288efee9/gh/pnathan/signifier"` [INFO] [stderr] Cloning into 'work/ex/pr-57967/sources/try#7fea0229842e79db1159ea58ad9a653b288efee9/gh/pnathan/signifier'... [INFO] [stderr] done. [INFO] running `"git" "rev-parse" "HEAD"` [INFO] [stdout] c7d4b4fa772fd1e301901b453dc81e0cac60f3ce [INFO] sha for GitHub repo pnathan/signifier: c7d4b4fa772fd1e301901b453dc81e0cac60f3ce [INFO] validating manifest of pnathan/signifier 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 pnathan/signifier 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 pnathan/signifier [INFO] finished frobbing pnathan/signifier [INFO] frobbed toml for pnathan/signifier written to work/ex/pr-57967/sources/master#c1c3c4e95b69dfeaca5c5db6c622d7f90ad30a54/gh/pnathan/signifier/Cargo.toml [INFO] started frobbing pnathan/signifier [INFO] finished frobbing pnathan/signifier [INFO] frobbed toml for pnathan/signifier written to work/ex/pr-57967/sources/try#7fea0229842e79db1159ea58ad9a653b288efee9/gh/pnathan/signifier/Cargo.toml [INFO] crate pnathan/signifier 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 pnathan/signifier against master#c1c3c4e95b69dfeaca5c5db6c622d7f90ad30a54 for pr-57967 [INFO] running `"docker" "create" "-v" "/mnt/big/crater/work/local/target-dirs/pr-57967/worker-5/master#c1c3c4e95b69dfeaca5c5db6c622d7f90ad30a54:/opt/crater/target:rw,Z" "-v" "/mnt/big/crater/work/ex/pr-57967/sources/master#c1c3c4e95b69dfeaca5c5db6c622d7f90ad30a54/gh/pnathan/signifier:/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] bef3c808c9dafe6b2ae295add5f95d9bfebf6d5c359e5899b041670a8f08257d [INFO] running `"docker" "start" "-a" "bef3c808c9dafe6b2ae295add5f95d9bfebf6d5c359e5899b041670a8f08257d"` [INFO] [stderr] Compiling serde v0.9.13 [INFO] [stderr] Compiling hyper v0.10.7 [INFO] [stderr] Compiling syn v0.11.10 [INFO] [stderr] Compiling flame v0.1.11 [INFO] [stderr] Compiling semver-parser v0.6.2 [INFO] [stderr] Compiling semver v0.5.1 [INFO] [stderr] Compiling serde_codegen_internals v0.14.2 [INFO] [stderr] Compiling serde_derive v0.9.13 [INFO] [stderr] Compiling serde_json v0.9.10 [INFO] [stderr] Compiling rusted_cypher v1.0.0 [INFO] [stderr] Compiling signifier v1.0.0 (/opt/crater/workdir) [INFO] [stderr] warning: use of deprecated item 'std::error::Error::cause': replaced by Error::source, which can support downcasting [INFO] [stderr] --> src/main.rs:135:28 [INFO] [stderr] | [INFO] [stderr] 135 | match e.cause() { [INFO] [stderr] | ^^^^^ [INFO] [stderr] | [INFO] [stderr] = note: #[warn(deprecated)] on by default [INFO] [stderr] [INFO] [stderr] warning: unused variable: `tx_collector` [INFO] [stderr] --> src/main.rs:199:17 [INFO] [stderr] | [INFO] [stderr] 199 | let mut tx_collector = tx_collector.clone(); [INFO] [stderr] | ^^^^^^^^^^^^ help: consider prefixing with an underscore: `_tx_collector` [INFO] [stderr] | [INFO] [stderr] = note: #[warn(unused_variables)] on by default [INFO] [stderr] [INFO] [stderr] warning: unused variable: `word_file_map` [INFO] [stderr] --> src/main.rs:331:13 [INFO] [stderr] | [INFO] [stderr] 331 | let mut word_file_map : HashMap> = HashMap::new(); [INFO] [stderr] | ^^^^^^^^^^^^^ help: consider prefixing with an underscore: `_word_file_map` [INFO] [stderr] [INFO] [stderr] warning: variable does not need to be mutable [INFO] [stderr] --> src/main.rs:331:9 [INFO] [stderr] | [INFO] [stderr] 331 | let mut word_file_map : HashMap> = HashMap::new(); [INFO] [stderr] | ----^^^^^^^^^^^^^ [INFO] [stderr] | | [INFO] [stderr] | help: remove this `mut` [INFO] [stderr] | [INFO] [stderr] = note: #[warn(unused_mut)] on by default [INFO] [stderr] [INFO] [stderr] Finished dev [unoptimized + debuginfo] target(s) in 43.41s [INFO] running `"docker" "inspect" "bef3c808c9dafe6b2ae295add5f95d9bfebf6d5c359e5899b041670a8f08257d"` [INFO] running `"docker" "rm" "-f" "bef3c808c9dafe6b2ae295add5f95d9bfebf6d5c359e5899b041670a8f08257d"` [INFO] [stdout] bef3c808c9dafe6b2ae295add5f95d9bfebf6d5c359e5899b041670a8f08257d [INFO] running `"docker" "create" "-v" "/mnt/big/crater/work/local/target-dirs/pr-57967/worker-5/master#c1c3c4e95b69dfeaca5c5db6c622d7f90ad30a54:/opt/crater/target:rw,Z" "-v" "/mnt/big/crater/work/ex/pr-57967/sources/master#c1c3c4e95b69dfeaca5c5db6c622d7f90ad30a54/gh/pnathan/signifier:/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] e567482e46d65877a1d128688ff8ec47f06af7d9e7e2ee2e334a17deef8e7329 [INFO] running `"docker" "start" "-a" "e567482e46d65877a1d128688ff8ec47f06af7d9e7e2ee2e334a17deef8e7329"` [INFO] [stderr] Compiling signifier v1.0.0 (/opt/crater/workdir) [INFO] [stderr] warning: use of deprecated item 'std::error::Error::cause': replaced by Error::source, which can support downcasting [INFO] [stderr] --> src/main.rs:135:28 [INFO] [stderr] | [INFO] [stderr] 135 | match e.cause() { [INFO] [stderr] | ^^^^^ [INFO] [stderr] | [INFO] [stderr] = note: #[warn(deprecated)] on by default [INFO] [stderr] [INFO] [stderr] warning: unused variable: `tx_collector` [INFO] [stderr] --> src/main.rs:199:17 [INFO] [stderr] | [INFO] [stderr] 199 | let mut tx_collector = tx_collector.clone(); [INFO] [stderr] | ^^^^^^^^^^^^ help: consider prefixing with an underscore: `_tx_collector` [INFO] [stderr] | [INFO] [stderr] = note: #[warn(unused_variables)] on by default [INFO] [stderr] [INFO] [stderr] warning: unused variable: `word_file_map` [INFO] [stderr] --> src/main.rs:331:13 [INFO] [stderr] | [INFO] [stderr] 331 | let mut word_file_map : HashMap> = HashMap::new(); [INFO] [stderr] | ^^^^^^^^^^^^^ help: consider prefixing with an underscore: `_word_file_map` [INFO] [stderr] [INFO] [stderr] warning: variable does not need to be mutable [INFO] [stderr] --> src/main.rs:331:9 [INFO] [stderr] | [INFO] [stderr] 331 | let mut word_file_map : HashMap> = HashMap::new(); [INFO] [stderr] | ----^^^^^^^^^^^^^ [INFO] [stderr] | | [INFO] [stderr] | help: remove this `mut` [INFO] [stderr] | [INFO] [stderr] = note: #[warn(unused_mut)] on by default [INFO] [stderr] [INFO] [stderr] Finished dev [unoptimized + debuginfo] target(s) in 1.29s [INFO] running `"docker" "inspect" "e567482e46d65877a1d128688ff8ec47f06af7d9e7e2ee2e334a17deef8e7329"` [INFO] running `"docker" "rm" "-f" "e567482e46d65877a1d128688ff8ec47f06af7d9e7e2ee2e334a17deef8e7329"` [INFO] [stdout] e567482e46d65877a1d128688ff8ec47f06af7d9e7e2ee2e334a17deef8e7329 [INFO] running `"docker" "create" "-v" "/mnt/big/crater/work/local/target-dirs/pr-57967/worker-5/master#c1c3c4e95b69dfeaca5c5db6c622d7f90ad30a54:/opt/crater/target:rw,Z" "-v" "/mnt/big/crater/work/ex/pr-57967/sources/master#c1c3c4e95b69dfeaca5c5db6c622d7f90ad30a54/gh/pnathan/signifier:/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] dcca8f836974f2cf28142967dab0e658b0c23ad8bfaf710ae4186c2b3e796372 [INFO] running `"docker" "start" "-a" "dcca8f836974f2cf28142967dab0e658b0c23ad8bfaf710ae4186c2b3e796372"` [INFO] [stderr] Finished dev [unoptimized + debuginfo] target(s) in 0.11s [INFO] [stderr] Running /opt/crater/target/debug/deps/signifier-de41024d74de9581 [INFO] [stdout] [INFO] [stdout] running 0 tests [INFO] [stdout] [INFO] [stdout] test result: ok. 0 passed; 0 failed; 0 ignored; 0 measured; 0 filtered out [INFO] [stdout] [INFO] running `"docker" "inspect" "dcca8f836974f2cf28142967dab0e658b0c23ad8bfaf710ae4186c2b3e796372"` [INFO] running `"docker" "rm" "-f" "dcca8f836974f2cf28142967dab0e658b0c23ad8bfaf710ae4186c2b3e796372"` [INFO] [stdout] dcca8f836974f2cf28142967dab0e658b0c23ad8bfaf710ae4186c2b3e796372