[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/beta-1.38-1/sources/1.37.0/gh/pnathan/signifier"` [INFO] [stderr] Cloning into 'work/ex/beta-1.38-1/sources/1.37.0/gh/pnathan/signifier'... [INFO] [stderr] done. [INFO] running `"git" "clone" "work/cache/sources/gh/pnathan/signifier" "work/ex/beta-1.38-1/sources/beta-2019-08-13/gh/pnathan/signifier"` [INFO] [stderr] Cloning into 'work/ex/beta-1.38-1/sources/beta-2019-08-13/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 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 pnathan/signifier 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 pnathan/signifier [INFO] finished frobbing pnathan/signifier [INFO] frobbed toml for pnathan/signifier written to work/ex/beta-1.38-1/sources/1.37.0/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/beta-1.38-1/sources/beta-2019-08-13/gh/pnathan/signifier/Cargo.toml [INFO] crate pnathan/signifier 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] [stderr] Blocking waiting for file lock on package cache [INFO] testing pnathan/signifier 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-7/1.37.0:/opt/crater/target:rw,Z" "-v" "/mnt/big/crater/work/ex/beta-1.38-1/sources/1.37.0/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=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] 890075f4eddbe0988108d909c10d3fcfcbcbb4868198d4d72430e1136fbb6fd1 [INFO] running `"docker" "start" "-a" "890075f4eddbe0988108d909c10d3fcfcbcbb4868198d4d72430e1136fbb6fd1"` [INFO] [stderr] Compiling log v0.3.7 [INFO] [stderr] Compiling lazy_static v0.2.6 [INFO] [stderr] Compiling rustc-serialize v0.3.23 [INFO] [stderr] Compiling httparse v1.2.1 [INFO] [stderr] Compiling serde v0.9.13 [INFO] [stderr] Compiling quick-error v1.1.0 [INFO] [stderr] Compiling memchr v0.1.11 [INFO] [stderr] Compiling unicode-bidi v0.2.5 [INFO] [stderr] Compiling num_cpus v1.3.0 [INFO] [stderr] Compiling hyper v0.10.7 [INFO] [stderr] Compiling syn v0.11.10 [INFO] [stderr] Compiling aho-corasick v0.5.3 [INFO] [stderr] Compiling thread-id v2.0.0 [INFO] [stderr] Compiling mime v0.2.3 [INFO] [stderr] Compiling thread_local v0.2.7 [INFO] [stderr] Compiling flame v0.1.11 [INFO] [stderr] Compiling regex v0.1.80 [INFO] [stderr] Compiling idna v0.1.1 [INFO] [stderr] Compiling serde_codegen_internals v0.14.2 [INFO] [stderr] Compiling url v1.4.0 [INFO] [stderr] warning[E0713]: borrow may still be in use when destructor runs [INFO] [stderr] --> /opt/crater/cargo-home/registry/src/github.com-1ecc6299db9ec823/url-1.4.0/src/form_urlencoded.rs:246:40 [INFO] [stderr] | [INFO] [stderr] 244 | impl<'a> Target for ::UrlQuery<'a> { [INFO] [stderr] | -- lifetime `'a` defined here [INFO] [stderr] 245 | fn as_mut_string(&mut self) -> &mut String { &mut self.url.serialization } [INFO] [stderr] 246 | fn finish(self) -> &'a mut ::Url { self.url } [INFO] [stderr] | ^^^^^^^^ - here, drop of `self` needs exclusive access to `*self.url`, because the type `UrlQuery<'_>` implements the `Drop` trait [INFO] [stderr] | | [INFO] [stderr] | returning this value requires that `*self.url` is borrowed for `'a` [INFO] [stderr] | [INFO] [stderr] = warning: this error has been downgraded to a warning for backwards compatibility with previous releases [INFO] [stderr] = warning: this represents potential undefined behavior in your code and this warning will become a hard error in the future [INFO] [stderr] = note: for more information, try `rustc --explain E0729` [INFO] [stderr] [INFO] [stderr] Compiling semver-parser v0.6.2 [INFO] [stderr] Compiling env_logger v0.3.5 [INFO] [stderr] Compiling serde_derive v0.9.13 [INFO] [stderr] Compiling semver v0.5.1 [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:199:13 [INFO] [stderr] | [INFO] [stderr] 199 | let mut tx_collector = tx_collector.clone(); [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] 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] Finished dev [unoptimized + debuginfo] target(s) in 1m 05s [INFO] running `"docker" "inspect" "890075f4eddbe0988108d909c10d3fcfcbcbb4868198d4d72430e1136fbb6fd1"` [INFO] running `"docker" "rm" "-f" "890075f4eddbe0988108d909c10d3fcfcbcbb4868198d4d72430e1136fbb6fd1"` [INFO] [stdout] 890075f4eddbe0988108d909c10d3fcfcbcbb4868198d4d72430e1136fbb6fd1 [INFO] running `"docker" "create" "-v" "/mnt/big/crater/work/local/target-dirs/beta-1.38-1/worker-7/1.37.0:/opt/crater/target:rw,Z" "-v" "/mnt/big/crater/work/ex/beta-1.38-1/sources/1.37.0/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=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] 29565c348048afdc5dd5ef386bc499939f07467e3574786740b5d66a632a17ee [INFO] running `"docker" "start" "-a" "29565c348048afdc5dd5ef386bc499939f07467e3574786740b5d66a632a17ee"` [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:199:13 [INFO] [stderr] | [INFO] [stderr] 199 | let mut tx_collector = tx_collector.clone(); [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] 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] Finished dev [unoptimized + debuginfo] target(s) in 1.16s [INFO] running `"docker" "inspect" "29565c348048afdc5dd5ef386bc499939f07467e3574786740b5d66a632a17ee"` [INFO] running `"docker" "rm" "-f" "29565c348048afdc5dd5ef386bc499939f07467e3574786740b5d66a632a17ee"` [INFO] [stdout] 29565c348048afdc5dd5ef386bc499939f07467e3574786740b5d66a632a17ee [INFO] running `"docker" "create" "-v" "/mnt/big/crater/work/local/target-dirs/beta-1.38-1/worker-7/1.37.0:/opt/crater/target:rw,Z" "-v" "/mnt/big/crater/work/ex/beta-1.38-1/sources/1.37.0/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=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] 3da8829a46df649435ea3c4dd6ba1048fdb9069d238e7146175be5c0a8d941ae [INFO] running `"docker" "start" "-a" "3da8829a46df649435ea3c4dd6ba1048fdb9069d238e7146175be5c0a8d941ae"` [INFO] [stderr] Finished dev [unoptimized + debuginfo] target(s) in 0.05s [INFO] [stderr] Running /opt/crater/target/debug/deps/signifier-c06e8372ad2d4dfb [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" "3da8829a46df649435ea3c4dd6ba1048fdb9069d238e7146175be5c0a8d941ae"` [INFO] running `"docker" "rm" "-f" "3da8829a46df649435ea3c4dd6ba1048fdb9069d238e7146175be5c0a8d941ae"` [INFO] [stdout] 3da8829a46df649435ea3c4dd6ba1048fdb9069d238e7146175be5c0a8d941ae