[INFO] updating cached repository https://github.com/pnathan/signifier [INFO] running `"git" "-c" "credential.helper=" "-c" "credential.helper=/big/crater/work/cargo-home/bin/git-credential-null" "-c" "remote.origin.fetch=refs/heads/*:refs/heads/*" "fetch" "origin" "--force" "--prune"` [INFO] running `"git" "rev-parse" "HEAD"` [INFO] [stdout] c7d4b4fa772fd1e301901b453dc81e0cac60f3ce [INFO] checking pnathan/signifier against master#4ff32c07da9d97e6dc315a4a5c9ffbb797cb27bb for pr-64672 [INFO] running `"git" "clone" "work/cache/git-repos/https%3A%2F%2Fgithub.com%2Fpnathan%2Fsignifier" "work/builds/worker-5/source"` [INFO] [stderr] Cloning into 'work/builds/worker-5/source'... [INFO] [stderr] done. [INFO] validating manifest of git repo https://github.com/pnathan/signifier on toolchain 4ff32c07da9d97e6dc315a4a5c9ffbb797cb27bb [INFO] running `"/big/crater/work/cargo-home/bin/cargo" "+4ff32c07da9d97e6dc315a4a5c9ffbb797cb27bb" "read-manifest" "--manifest-path" "Cargo.toml"` [INFO] started tweaking git repo https://github.com/pnathan/signifier [INFO] finished tweaking git repo https://github.com/pnathan/signifier [INFO] tweaked toml for git repo https://github.com/pnathan/signifier written to work/builds/worker-5/source/Cargo.toml [INFO] crate git repo https://github.com/pnathan/signifier already has a lockfile, it will not be regenerated [INFO] running `"/big/crater/work/cargo-home/bin/cargo" "+4ff32c07da9d97e6dc315a4a5c9ffbb797cb27bb" "fetch" "--locked" "--manifest-path" "Cargo.toml"` [INFO] running `"docker" "create" "-v" "/big/crater/work/builds/worker-5/target:/opt/rustwide/target:rw,Z" "-v" "/big/crater/work/builds/worker-5/source:/opt/rustwide/workdir:ro,Z" "-v" "/big/crater/work/cargo-home:/opt/rustwide/cargo-home:ro,Z" "-v" "/big/crater/work/rustup-home:/opt/rustwide/rustup-home:ro,Z" "-e" "SOURCE_DIR=/opt/rustwide/workdir" "-e" "MAP_USER_ID=1000" "-e" "CARGO_TARGET_DIR=/opt/rustwide/target" "-e" "CARGO_INCREMENTAL=0" "-e" "RUST_BACKTRACE=full" "-e" "RUSTFLAGS=--cap-lints=forbid" "-e" "CARGO_HOME=/opt/rustwide/cargo-home" "-e" "RUSTUP_HOME=/opt/rustwide/rustup-home" "-w" "/opt/rustwide/workdir" "-m" "1610612736" "--network" "none" "rustops/crates-build-env" "/opt/rustwide/cargo-home/bin/cargo" "+4ff32c07da9d97e6dc315a4a5c9ffbb797cb27bb" "check" "--frozen" "--all" "--all-targets"` [INFO] [stdout] e83631079b77c939ebf810231cc40b0088cc4a9e89d5fc5cc3dbcf6e025df323 [INFO] running `"docker" "start" "-a" "e83631079b77c939ebf810231cc40b0088cc4a9e89d5fc5cc3dbcf6e025df323"` [INFO] [stderr] Checking libc v0.2.21 [INFO] [stderr] Compiling unicode-xid v0.0.4 [INFO] [stderr] Checking matches v0.1.4 [INFO] [stderr] Checking unicode-normalization v0.1.4 [INFO] [stderr] Checking utf8-ranges v0.1.3 [INFO] [stderr] Compiling quote v0.3.15 [INFO] [stderr] Checking regex-syntax v0.3.9 [INFO] [stderr] Checking lazy_static v0.2.6 [INFO] [stderr] Checking log v0.3.7 [INFO] [stderr] Checking rustc-serialize v0.3.23 [INFO] [stderr] Checking typeable v0.1.2 [INFO] [stderr] Checking traitobject v0.1.0 [INFO] [stderr] Checking num-traits v0.1.37 [INFO] [stderr] Checking serde v0.9.13 [INFO] [stderr] Checking httparse v1.2.1 [INFO] [stderr] Checking quick-error v1.1.0 [INFO] [stderr] Checking unicode-bidi v0.2.5 [INFO] [stderr] Compiling unicase v1.4.0 [INFO] [stderr] Compiling hyper v0.10.7 [INFO] [stderr] Compiling synom v0.11.3 [INFO] [stderr] Checking mime v0.2.3 [INFO] [stderr] Compiling syn v0.11.10 [INFO] [stderr] Checking thread-id v2.0.0 [INFO] [stderr] Checking memchr v0.1.11 [INFO] [stderr] Checking num_cpus v1.3.0 [INFO] [stderr] Checking time v0.1.36 [INFO] [stderr] Checking thread_local v0.2.7 [INFO] [stderr] Checking flame v0.1.11 [INFO] [stderr] Checking aho-corasick v0.5.3 [INFO] [stderr] Checking idna v0.1.1 [INFO] [stderr] Checking regex v0.1.80 [INFO] [stderr] Compiling serde_codegen_internals v0.14.2 [INFO] [stderr] Checking url v1.4.0 [INFO] [stderr] Checking semver-parser v0.6.2 [INFO] [stderr] Checking env_logger v0.3.5 [INFO] [stderr] Compiling serde_derive v0.9.13 [INFO] [stderr] Checking semver v0.5.1 [INFO] [stderr] warning[E0713]: borrow may still be in use when destructor runs [INFO] [stderr] --> /opt/rustwide/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] Checking serde_json v0.9.10 [INFO] [stderr] Checking rusted_cypher v1.0.0 [INFO] [stderr] Checking signifier v1.0.0 (/opt/rustwide/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: 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: 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] 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 11.19s [INFO] running `"docker" "inspect" "e83631079b77c939ebf810231cc40b0088cc4a9e89d5fc5cc3dbcf6e025df323"` [INFO] running `"docker" "rm" "-f" "e83631079b77c939ebf810231cc40b0088cc4a9e89d5fc5cc3dbcf6e025df323"` [INFO] [stdout] e83631079b77c939ebf810231cc40b0088cc4a9e89d5fc5cc3dbcf6e025df323