[INFO] updating cached repository optimizely/optimizelyd-maildir [INFO] running `"git" "fetch" "--all"` [INFO] [stdout] Fetching origin [INFO] [stderr] From git://github.com/optimizely/optimizelyd-maildir [INFO] [stderr] * branch HEAD -> FETCH_HEAD [INFO] running `"git" "clone" "work/cache/sources/gh/optimizely/optimizelyd-maildir" "work/ex/beta-1.38-1/sources/1.37.0/gh/optimizely/optimizelyd-maildir"` [INFO] [stderr] Cloning into 'work/ex/beta-1.38-1/sources/1.37.0/gh/optimizely/optimizelyd-maildir'... [INFO] [stderr] done. [INFO] running `"git" "clone" "work/cache/sources/gh/optimizely/optimizelyd-maildir" "work/ex/beta-1.38-1/sources/beta-2019-08-13/gh/optimizely/optimizelyd-maildir"` [INFO] [stderr] Cloning into 'work/ex/beta-1.38-1/sources/beta-2019-08-13/gh/optimizely/optimizelyd-maildir'... [INFO] [stderr] done. [INFO] running `"git" "rev-parse" "HEAD"` [INFO] [stdout] e4a85eb5585bc4d031ab903ef16c670a86c5f0a6 [INFO] sha for GitHub repo optimizely/optimizelyd-maildir: e4a85eb5585bc4d031ab903ef16c670a86c5f0a6 [INFO] validating manifest of optimizely/optimizelyd-maildir 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 optimizely/optimizelyd-maildir 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 optimizely/optimizelyd-maildir [INFO] finished frobbing optimizely/optimizelyd-maildir [INFO] frobbed toml for optimizely/optimizelyd-maildir written to work/ex/beta-1.38-1/sources/1.37.0/gh/optimizely/optimizelyd-maildir/Cargo.toml [INFO] started frobbing optimizely/optimizelyd-maildir [INFO] finished frobbing optimizely/optimizelyd-maildir [INFO] frobbed toml for optimizely/optimizelyd-maildir written to work/ex/beta-1.38-1/sources/beta-2019-08-13/gh/optimizely/optimizelyd-maildir/Cargo.toml [INFO] crate optimizely/optimizelyd-maildir 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] testing optimizely/optimizelyd-maildir 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-5/1.37.0:/opt/crater/target:rw,Z" "-v" "/mnt/big/crater/work/ex/beta-1.38-1/sources/1.37.0/gh/optimizely/optimizelyd-maildir:/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] 435987d28ebef0338677eabe2bac3b9c0deddc6911c693a8a7a56673adf63c5d [INFO] running `"docker" "start" "-a" "435987d28ebef0338677eabe2bac3b9c0deddc6911c693a8a7a56673adf63c5d"` [INFO] [stderr] Compiling cfg-if v0.1.1 [INFO] [stderr] Compiling openssl v0.9.14 [INFO] [stderr] Compiling serde v1.0.9 [INFO] [stderr] Compiling iovec v0.1.0 [INFO] [stderr] Compiling time v0.1.37 [INFO] [stderr] Compiling openssl-sys v0.9.14 [INFO] [stderr] Compiling unicode-bidi v0.3.3 [INFO] [stderr] Compiling base64 v0.6.0 [INFO] [stderr] Compiling futures-cpupool v0.1.5 [INFO] [stderr] Compiling uuid v0.4.0 [INFO] [stderr] Compiling net2 v0.2.29 [INFO] [stderr] Compiling bytes v0.4.4 [INFO] [stderr] Compiling mio v0.6.9 [INFO] [stderr] Compiling idna v0.1.2 [INFO] [stderr] Compiling tokio-io v0.1.2 [INFO] [stderr] Compiling tokio-core v0.1.8 [INFO] [stderr] Compiling url v1.5.1 [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-1.5.1/src/form_urlencoded.rs:251:40 [INFO] [stderr] | [INFO] [stderr] 249 | impl<'a> Target for ::UrlQuery<'a> { [INFO] [stderr] | -- lifetime `'a` defined here [INFO] [stderr] 250 | fn as_mut_string(&mut self) -> &mut String { &mut self.url.serialization } [INFO] [stderr] 251 | 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 tokio-proto v0.1.1 [INFO] [stderr] Compiling native-tls v0.1.4 [INFO] [stderr] Compiling tokio-tls v0.1.3 [INFO] [stderr] Compiling hyper v0.11.0 [INFO] [stderr] Compiling serde_json v1.0.2 [INFO] [stderr] Compiling hyper-tls v0.1.2 [INFO] [stderr] Compiling optimizelyd-maildir v0.1.0 (/opt/crater/workdir) [INFO] [stderr] warning: unused import: `std::time::SystemTime` [INFO] [stderr] --> src/maildirqueue.rs:7:5 [INFO] [stderr] | [INFO] [stderr] 7 | use std::time::SystemTime; [INFO] [stderr] | ^^^^^^^^^^^^^^^^^^^^^ [INFO] [stderr] | [INFO] [stderr] = note: #[warn(unused_imports)] on by default [INFO] [stderr] [INFO] [stderr] warning: trait objects without an explicit `dyn` are deprecated [INFO] [stderr] --> src/maildirqueue.rs:97:33 [INFO] [stderr] | [INFO] [stderr] 97 | pub fn pop(&self, callback:&Fn(&str) -> bool) -> bool { [INFO] [stderr] | ^^^^^^^^^^^^^^^^ help: use `dyn`: `dyn Fn(&str) -> bool` [INFO] [stderr] | [INFO] [stderr] = note: #[warn(bare_trait_objects)] on by default [INFO] [stderr] [INFO] [stderr] warning: unused import: `std::os::raw::c_char` [INFO] [stderr] --> src/jsonsender.rs:10:5 [INFO] [stderr] | [INFO] [stderr] 10 | use std::os::raw::c_char; [INFO] [stderr] | ^^^^^^^^^^^^^^^^^^^^ [INFO] [stderr] [INFO] [stderr] warning: unused import: `std::io::BufReader` [INFO] [stderr] --> src/jsonsender.rs:13:5 [INFO] [stderr] | [INFO] [stderr] 13 | use std::io::BufReader; [INFO] [stderr] | ^^^^^^^^^^^^^^^^^^ [INFO] [stderr] [INFO] [stderr] warning: unused import: `std::io::prelude::*` [INFO] [stderr] --> src/jsonsender.rs:14:5 [INFO] [stderr] | [INFO] [stderr] 14 | use std::io::prelude::*; [INFO] [stderr] | ^^^^^^^^^^^^^^^^^^^ [INFO] [stderr] [INFO] [stderr] warning: unused import: `jsonsender::hyper::Body` [INFO] [stderr] --> src/jsonsender.rs:16:5 [INFO] [stderr] | [INFO] [stderr] 16 | use jsonsender::hyper::Body; [INFO] [stderr] | ^^^^^^^^^^^^^^^^^^^^^^^ [INFO] [stderr] [INFO] [stderr] warning: unused import: `jsonsender::hyper::Chunk` [INFO] [stderr] --> src/jsonsender.rs:17:5 [INFO] [stderr] | [INFO] [stderr] 17 | use jsonsender::hyper::Chunk; [INFO] [stderr] | ^^^^^^^^^^^^^^^^^^^^^^^^ [INFO] [stderr] [INFO] [stderr] warning: unused import: `self` [INFO] [stderr] --> src/jsonsender.rs:21:15 [INFO] [stderr] | [INFO] [stderr] 21 | use std::io::{self, Write}; [INFO] [stderr] | ^^^^ [INFO] [stderr] [INFO] [stderr] warning: unused import: `self::hyper::client::Response` [INFO] [stderr] --> src/jsonsender.rs:25:5 [INFO] [stderr] | [INFO] [stderr] 25 | use self::hyper::client::Response; [INFO] [stderr] | ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^ [INFO] [stderr] [INFO] [stderr] warning: unused import: `self::hyper::header::Headers` [INFO] [stderr] --> src/jsonsender.rs:26:5 [INFO] [stderr] | [INFO] [stderr] 26 | use self::hyper::header::Headers; [INFO] [stderr] | ^^^^^^^^^^^^^^^^^^^^^^^^^^^^ [INFO] [stderr] [INFO] [stderr] warning: unused import: `self::url::Url` [INFO] [stderr] --> src/jsonsender.rs:27:5 [INFO] [stderr] | [INFO] [stderr] 27 | use self::url::Url; [INFO] [stderr] | ^^^^^^^^^^^^^^ [INFO] [stderr] [INFO] [stderr] warning: unused import: `self::hyper::Uri` [INFO] [stderr] --> src/jsonsender.rs:29:5 [INFO] [stderr] | [INFO] [stderr] 29 | use self::hyper::Uri; [INFO] [stderr] | ^^^^^^^^^^^^^^^^ [INFO] [stderr] [INFO] [stderr] warning: unused import: `Error` [INFO] [stderr] --> src/jsonsender.rs:32:31 [INFO] [stderr] | [INFO] [stderr] 32 | use self::serde_json::{Value, Error}; [INFO] [stderr] | ^^^^^ [INFO] [stderr] [INFO] [stderr] warning: unreachable statement [INFO] [stderr] --> src/main.rs:72:9 [INFO] [stderr] | [INFO] [stderr] 72 | println!("Decided to give up... no more in the queue"); [INFO] [stderr] | ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^ [INFO] [stderr] | [INFO] [stderr] = note: #[warn(unreachable_code)] on by default [INFO] [stderr] = note: this warning originates in a macro outside of the current crate (in Nightly builds, run with -Z external-macro-backtrace for more info) [INFO] [stderr] [INFO] [stderr] warning: variable does not need to be mutable [INFO] [stderr] --> src/maildirqueue.rs:99:20 [INFO] [stderr] | [INFO] [stderr] 99 | if let Ok(mut entries) = fs::read_dir(new_path) { [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: static item is never used: `RES` [INFO] [stderr] --> src/maildirqueue.rs:17:1 [INFO] [stderr] | [INFO] [stderr] 17 | static RES: &'static str = "res"; // using the queue for a request/response area, give the user a place to move responses. [INFO] [stderr] | ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^ [INFO] [stderr] | [INFO] [stderr] = note: #[warn(dead_code)] on by default [INFO] [stderr] [INFO] [stderr] warning: method is never used: `push` [INFO] [stderr] --> src/maildirqueue.rs:84:5 [INFO] [stderr] | [INFO] [stderr] 84 | pub fn push(&self, request_body:&str) -> bool { [INFO] [stderr] | ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^ [INFO] [stderr] [INFO] [stderr] warning: method is never used: `res` [INFO] [stderr] --> src/maildirqueue.rs:93:5 [INFO] [stderr] | [INFO] [stderr] 93 | pub fn res(&self, request_body:&str) -> bool { [INFO] [stderr] | ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^ [INFO] [stderr] [INFO] [stderr] warning: function `startServer` should have a snake case name [INFO] [stderr] --> src/main.rs:51:4 [INFO] [stderr] | [INFO] [stderr] 51 | fn startServer(baseDir:&str) { [INFO] [stderr] | ^^^^^^^^^^^ help: convert the identifier to snake case: `start_server` [INFO] [stderr] | [INFO] [stderr] = note: #[warn(non_snake_case)] on by default [INFO] [stderr] [INFO] [stderr] warning: variable `baseDir` should have a snake case name [INFO] [stderr] --> src/main.rs:51:16 [INFO] [stderr] | [INFO] [stderr] 51 | fn startServer(baseDir:&str) { [INFO] [stderr] | ^^^^^^^ help: convert the identifier to snake case: `base_dir` [INFO] [stderr] [INFO] [stderr] warning: method `moveFile` should have a snake case name [INFO] [stderr] --> src/maildirqueue.rs:70:8 [INFO] [stderr] | [INFO] [stderr] 70 | fn moveFile(&self, request_body:&str, from:&str, to:&str, suffix:Option<&str>) -> bool { [INFO] [stderr] | ^^^^^^^^ help: convert the identifier to snake case: `move_file` [INFO] [stderr] [INFO] [stderr] warning: unused `std::result::Result` that must be used [INFO] [stderr] --> src/maildirqueue.rs:75:13 [INFO] [stderr] | [INFO] [stderr] 75 | f.write_all(request_body.as_bytes()); [INFO] [stderr] | ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^ [INFO] [stderr] | [INFO] [stderr] = note: #[warn(unused_must_use)] on by default [INFO] [stderr] = note: this `Result` may be an `Err` variant, which should be handled [INFO] [stderr] [INFO] [stderr] warning: unused `std::result::Result` that must be used [INFO] [stderr] --> src/maildirqueue.rs:77:13 [INFO] [stderr] | [INFO] [stderr] 77 | f.sync_data(); [INFO] [stderr] | ^^^^^^^^^^^^^^ [INFO] [stderr] | [INFO] [stderr] = note: this `Result` may be an `Err` variant, which should be handled [INFO] [stderr] [INFO] [stderr] warning: unused `std::result::Result` that must be used [INFO] [stderr] --> src/maildirqueue.rs:80:9 [INFO] [stderr] | [INFO] [stderr] 80 | fs::rename(Path::new(&tmp_path), Path::new(&new_path)); // Rename from tmp to new [INFO] [stderr] | ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^ [INFO] [stderr] | [INFO] [stderr] = note: this `Result` may be an `Err` variant, which should be handled [INFO] [stderr] [INFO] [stderr] warning: unused `std::result::Result` that must be used [INFO] [stderr] --> src/maildirqueue.rs:121:20 [INFO] [stderr] | [INFO] [stderr] 121 | fs::rename(entry.path(), Path::new(&cur_path)); // Rename from new to cur directory [INFO] [stderr] | ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^ [INFO] [stderr] | [INFO] [stderr] = note: this `Result` may be an `Err` variant, which should be handled [INFO] [stderr] [INFO] [stderr] warning: unused `std::result::Result` that must be used [INFO] [stderr] --> src/maildirqueue.rs:126:25 [INFO] [stderr] | [INFO] [stderr] 126 | buf_reader.read_to_string(&mut contents); [INFO] [stderr] | ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^ [INFO] [stderr] | [INFO] [stderr] = note: this `Result` may be an `Err` variant, which should be handled [INFO] [stderr] [INFO] [stderr] warning: unused `std::result::Result` that must be used [INFO] [stderr] --> src/maildirqueue.rs:128:29 [INFO] [stderr] | [INFO] [stderr] 128 | fs::remove_file(&cur_path); [INFO] [stderr] | ^^^^^^^^^^^^^^^^^^^^^^^^^^^ [INFO] [stderr] | [INFO] [stderr] = note: this `Result` may be an `Err` variant, which should be handled [INFO] [stderr] [INFO] [stderr] warning: unused `std::result::Result` that must be used [INFO] [stderr] --> src/maildirqueue.rs:132:29 [INFO] [stderr] | [INFO] [stderr] 132 | fs::remove_file(&cur_path); [INFO] [stderr] | ^^^^^^^^^^^^^^^^^^^^^^^^^^^ [INFO] [stderr] | [INFO] [stderr] = note: this `Result` may be an `Err` variant, which should be handled [INFO] [stderr] [INFO] [stderr] warning: method `sendJson` should have a snake case name [INFO] [stderr] --> src/jsonsender.rs:45:12 [INFO] [stderr] | [INFO] [stderr] 45 | pub fn sendJson(&self, jsonString:&str, res_path:&str) -> Result { [INFO] [stderr] | ^^^^^^^^ help: convert the identifier to snake case: `send_json` [INFO] [stderr] [INFO] [stderr] warning: variable `jsonString` should have a snake case name [INFO] [stderr] --> src/jsonsender.rs:45:28 [INFO] [stderr] | [INFO] [stderr] 45 | pub fn sendJson(&self, jsonString:&str, res_path:&str) -> Result { [INFO] [stderr] | ^^^^^^^^^^ help: convert the identifier to snake case: `json_string` [INFO] [stderr] [INFO] [stderr] warning: unused `std::result::Result` that must be used [INFO] [stderr] --> src/jsonsender.rs:82:33 [INFO] [stderr] | [INFO] [stderr] 82 | f.write_all(&bodyiter); [INFO] [stderr] | ^^^^^^^^^^^^^^^^^^^^^^^ [INFO] [stderr] | [INFO] [stderr] = note: this `Result` may be an `Err` variant, which should be handled [INFO] [stderr] [INFO] [stderr] warning: unused `std::result::Result` that must be used [INFO] [stderr] --> src/jsonsender.rs:83:33 [INFO] [stderr] | [INFO] [stderr] 83 | f.sync_data(); [INFO] [stderr] | ^^^^^^^^^^^^^^ [INFO] [stderr] | [INFO] [stderr] = note: this `Result` may be an `Err` variant, which should be handled [INFO] [stderr] [INFO] [stderr] Finished dev [unoptimized + debuginfo] target(s) in 40.78s [INFO] running `"docker" "inspect" "435987d28ebef0338677eabe2bac3b9c0deddc6911c693a8a7a56673adf63c5d"` [INFO] running `"docker" "rm" "-f" "435987d28ebef0338677eabe2bac3b9c0deddc6911c693a8a7a56673adf63c5d"` [INFO] [stdout] 435987d28ebef0338677eabe2bac3b9c0deddc6911c693a8a7a56673adf63c5d [INFO] running `"docker" "create" "-v" "/mnt/big/crater/work/local/target-dirs/beta-1.38-1/worker-5/1.37.0:/opt/crater/target:rw,Z" "-v" "/mnt/big/crater/work/ex/beta-1.38-1/sources/1.37.0/gh/optimizely/optimizelyd-maildir:/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] 5d71f82eb0979e29fc21c911e2f356e1a1700a13df5465bcdfeae6b01f138309 [INFO] running `"docker" "start" "-a" "5d71f82eb0979e29fc21c911e2f356e1a1700a13df5465bcdfeae6b01f138309"` [INFO] [stderr] Compiling optimizelyd-maildir v0.1.0 (/opt/crater/workdir) [INFO] [stderr] warning: unused import: `std::time::SystemTime` [INFO] [stderr] --> src/maildirqueue.rs:7:5 [INFO] [stderr] | [INFO] [stderr] 7 | use std::time::SystemTime; [INFO] [stderr] | ^^^^^^^^^^^^^^^^^^^^^ [INFO] [stderr] | [INFO] [stderr] = note: #[warn(unused_imports)] on by default [INFO] [stderr] [INFO] [stderr] warning: trait objects without an explicit `dyn` are deprecated [INFO] [stderr] --> src/maildirqueue.rs:97:33 [INFO] [stderr] | [INFO] [stderr] 97 | pub fn pop(&self, callback:&Fn(&str) -> bool) -> bool { [INFO] [stderr] | ^^^^^^^^^^^^^^^^ help: use `dyn`: `dyn Fn(&str) -> bool` [INFO] [stderr] | [INFO] [stderr] = note: #[warn(bare_trait_objects)] on by default [INFO] [stderr] [INFO] [stderr] warning: unused import: `std::os::raw::c_char` [INFO] [stderr] --> src/jsonsender.rs:10:5 [INFO] [stderr] | [INFO] [stderr] 10 | use std::os::raw::c_char; [INFO] [stderr] | ^^^^^^^^^^^^^^^^^^^^ [INFO] [stderr] [INFO] [stderr] warning: unused import: `std::io::BufReader` [INFO] [stderr] --> src/jsonsender.rs:13:5 [INFO] [stderr] | [INFO] [stderr] 13 | use std::io::BufReader; [INFO] [stderr] | ^^^^^^^^^^^^^^^^^^ [INFO] [stderr] [INFO] [stderr] warning: unused import: `std::io::prelude::*` [INFO] [stderr] --> src/jsonsender.rs:14:5 [INFO] [stderr] | [INFO] [stderr] 14 | use std::io::prelude::*; [INFO] [stderr] | ^^^^^^^^^^^^^^^^^^^ [INFO] [stderr] [INFO] [stderr] warning: unused import: `jsonsender::hyper::Body` [INFO] [stderr] --> src/jsonsender.rs:16:5 [INFO] [stderr] | [INFO] [stderr] 16 | use jsonsender::hyper::Body; [INFO] [stderr] | ^^^^^^^^^^^^^^^^^^^^^^^ [INFO] [stderr] [INFO] [stderr] warning: unused import: `jsonsender::hyper::Chunk` [INFO] [stderr] --> src/jsonsender.rs:17:5 [INFO] [stderr] | [INFO] [stderr] 17 | use jsonsender::hyper::Chunk; [INFO] [stderr] | ^^^^^^^^^^^^^^^^^^^^^^^^ [INFO] [stderr] [INFO] [stderr] warning: unused import: `self` [INFO] [stderr] --> src/jsonsender.rs:21:15 [INFO] [stderr] | [INFO] [stderr] 21 | use std::io::{self, Write}; [INFO] [stderr] | ^^^^ [INFO] [stderr] [INFO] [stderr] warning: unused import: `self::hyper::client::Response` [INFO] [stderr] --> src/jsonsender.rs:25:5 [INFO] [stderr] | [INFO] [stderr] 25 | use self::hyper::client::Response; [INFO] [stderr] | ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^ [INFO] [stderr] [INFO] [stderr] warning: unused import: `self::hyper::header::Headers` [INFO] [stderr] --> src/jsonsender.rs:26:5 [INFO] [stderr] | [INFO] [stderr] 26 | use self::hyper::header::Headers; [INFO] [stderr] | ^^^^^^^^^^^^^^^^^^^^^^^^^^^^ [INFO] [stderr] [INFO] [stderr] warning: unused import: `self::url::Url` [INFO] [stderr] --> src/jsonsender.rs:27:5 [INFO] [stderr] | [INFO] [stderr] 27 | use self::url::Url; [INFO] [stderr] | ^^^^^^^^^^^^^^ [INFO] [stderr] [INFO] [stderr] warning: unused import: `self::hyper::Uri` [INFO] [stderr] --> src/jsonsender.rs:29:5 [INFO] [stderr] | [INFO] [stderr] 29 | use self::hyper::Uri; [INFO] [stderr] | ^^^^^^^^^^^^^^^^ [INFO] [stderr] [INFO] [stderr] warning: unused import: `Error` [INFO] [stderr] --> src/jsonsender.rs:32:31 [INFO] [stderr] | [INFO] [stderr] 32 | use self::serde_json::{Value, Error}; [INFO] [stderr] | ^^^^^ [INFO] [stderr] [INFO] [stderr] warning: unreachable statement [INFO] [stderr] --> src/main.rs:72:9 [INFO] [stderr] | [INFO] [stderr] 72 | println!("Decided to give up... no more in the queue"); [INFO] [stderr] | ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^ [INFO] [stderr] | [INFO] [stderr] = note: #[warn(unreachable_code)] on by default [INFO] [stderr] = note: this warning originates in a macro outside of the current crate (in Nightly builds, run with -Z external-macro-backtrace for more info) [INFO] [stderr] [INFO] [stderr] warning: variable does not need to be mutable [INFO] [stderr] --> src/maildirqueue.rs:99:20 [INFO] [stderr] | [INFO] [stderr] 99 | if let Ok(mut entries) = fs::read_dir(new_path) { [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: static item is never used: `RES` [INFO] [stderr] --> src/maildirqueue.rs:17:1 [INFO] [stderr] | [INFO] [stderr] 17 | static RES: &'static str = "res"; // using the queue for a request/response area, give the user a place to move responses. [INFO] [stderr] | ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^ [INFO] [stderr] | [INFO] [stderr] = note: #[warn(dead_code)] on by default [INFO] [stderr] [INFO] [stderr] warning: method is never used: `push` [INFO] [stderr] --> src/maildirqueue.rs:84:5 [INFO] [stderr] | [INFO] [stderr] 84 | pub fn push(&self, request_body:&str) -> bool { [INFO] [stderr] | ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^ [INFO] [stderr] [INFO] [stderr] warning: method is never used: `res` [INFO] [stderr] --> src/maildirqueue.rs:93:5 [INFO] [stderr] | [INFO] [stderr] 93 | pub fn res(&self, request_body:&str) -> bool { [INFO] [stderr] | ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^ [INFO] [stderr] [INFO] [stderr] warning: function `startServer` should have a snake case name [INFO] [stderr] --> src/main.rs:51:4 [INFO] [stderr] | [INFO] [stderr] 51 | fn startServer(baseDir:&str) { [INFO] [stderr] | ^^^^^^^^^^^ help: convert the identifier to snake case: `start_server` [INFO] [stderr] | [INFO] [stderr] = note: #[warn(non_snake_case)] on by default [INFO] [stderr] [INFO] [stderr] warning: variable `baseDir` should have a snake case name [INFO] [stderr] --> src/main.rs:51:16 [INFO] [stderr] | [INFO] [stderr] 51 | fn startServer(baseDir:&str) { [INFO] [stderr] | ^^^^^^^ help: convert the identifier to snake case: `base_dir` [INFO] [stderr] [INFO] [stderr] warning: method `moveFile` should have a snake case name [INFO] [stderr] --> src/maildirqueue.rs:70:8 [INFO] [stderr] | [INFO] [stderr] 70 | fn moveFile(&self, request_body:&str, from:&str, to:&str, suffix:Option<&str>) -> bool { [INFO] [stderr] | ^^^^^^^^ help: convert the identifier to snake case: `move_file` [INFO] [stderr] [INFO] [stderr] warning: unused `std::result::Result` that must be used [INFO] [stderr] --> src/maildirqueue.rs:75:13 [INFO] [stderr] | [INFO] [stderr] 75 | f.write_all(request_body.as_bytes()); [INFO] [stderr] | ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^ [INFO] [stderr] | [INFO] [stderr] = note: #[warn(unused_must_use)] on by default [INFO] [stderr] = note: this `Result` may be an `Err` variant, which should be handled [INFO] [stderr] [INFO] [stderr] warning: unused `std::result::Result` that must be used [INFO] [stderr] --> src/maildirqueue.rs:77:13 [INFO] [stderr] | [INFO] [stderr] 77 | f.sync_data(); [INFO] [stderr] | ^^^^^^^^^^^^^^ [INFO] [stderr] | [INFO] [stderr] = note: this `Result` may be an `Err` variant, which should be handled [INFO] [stderr] [INFO] [stderr] warning: unused `std::result::Result` that must be used [INFO] [stderr] --> src/maildirqueue.rs:80:9 [INFO] [stderr] | [INFO] [stderr] 80 | fs::rename(Path::new(&tmp_path), Path::new(&new_path)); // Rename from tmp to new [INFO] [stderr] | ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^ [INFO] [stderr] | [INFO] [stderr] = note: this `Result` may be an `Err` variant, which should be handled [INFO] [stderr] [INFO] [stderr] warning: unused `std::result::Result` that must be used [INFO] [stderr] --> src/maildirqueue.rs:121:20 [INFO] [stderr] | [INFO] [stderr] 121 | fs::rename(entry.path(), Path::new(&cur_path)); // Rename from new to cur directory [INFO] [stderr] | ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^ [INFO] [stderr] | [INFO] [stderr] = note: this `Result` may be an `Err` variant, which should be handled [INFO] [stderr] [INFO] [stderr] warning: unused `std::result::Result` that must be used [INFO] [stderr] --> src/maildirqueue.rs:126:25 [INFO] [stderr] | [INFO] [stderr] 126 | buf_reader.read_to_string(&mut contents); [INFO] [stderr] | ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^ [INFO] [stderr] | [INFO] [stderr] = note: this `Result` may be an `Err` variant, which should be handled [INFO] [stderr] [INFO] [stderr] warning: unused `std::result::Result` that must be used [INFO] [stderr] --> src/maildirqueue.rs:128:29 [INFO] [stderr] | [INFO] [stderr] 128 | fs::remove_file(&cur_path); [INFO] [stderr] | ^^^^^^^^^^^^^^^^^^^^^^^^^^^ [INFO] [stderr] | [INFO] [stderr] = note: this `Result` may be an `Err` variant, which should be handled [INFO] [stderr] [INFO] [stderr] warning: unused `std::result::Result` that must be used [INFO] [stderr] --> src/maildirqueue.rs:132:29 [INFO] [stderr] | [INFO] [stderr] 132 | fs::remove_file(&cur_path); [INFO] [stderr] | ^^^^^^^^^^^^^^^^^^^^^^^^^^^ [INFO] [stderr] | [INFO] [stderr] = note: this `Result` may be an `Err` variant, which should be handled [INFO] [stderr] [INFO] [stderr] warning: method `sendJson` should have a snake case name [INFO] [stderr] --> src/jsonsender.rs:45:12 [INFO] [stderr] | [INFO] [stderr] 45 | pub fn sendJson(&self, jsonString:&str, res_path:&str) -> Result { [INFO] [stderr] | ^^^^^^^^ help: convert the identifier to snake case: `send_json` [INFO] [stderr] [INFO] [stderr] warning: variable `jsonString` should have a snake case name [INFO] [stderr] --> src/jsonsender.rs:45:28 [INFO] [stderr] | [INFO] [stderr] 45 | pub fn sendJson(&self, jsonString:&str, res_path:&str) -> Result { [INFO] [stderr] | ^^^^^^^^^^ help: convert the identifier to snake case: `json_string` [INFO] [stderr] [INFO] [stderr] warning: unused `std::result::Result` that must be used [INFO] [stderr] --> src/jsonsender.rs:82:33 [INFO] [stderr] | [INFO] [stderr] 82 | f.write_all(&bodyiter); [INFO] [stderr] | ^^^^^^^^^^^^^^^^^^^^^^^ [INFO] [stderr] | [INFO] [stderr] = note: this `Result` may be an `Err` variant, which should be handled [INFO] [stderr] [INFO] [stderr] warning: unused `std::result::Result` that must be used [INFO] [stderr] --> src/jsonsender.rs:83:33 [INFO] [stderr] | [INFO] [stderr] 83 | f.sync_data(); [INFO] [stderr] | ^^^^^^^^^^^^^^ [INFO] [stderr] | [INFO] [stderr] = note: this `Result` may be an `Err` variant, which should be handled [INFO] [stderr] [INFO] [stderr] Finished dev [unoptimized + debuginfo] target(s) in 1.35s [INFO] running `"docker" "inspect" "5d71f82eb0979e29fc21c911e2f356e1a1700a13df5465bcdfeae6b01f138309"` [INFO] running `"docker" "rm" "-f" "5d71f82eb0979e29fc21c911e2f356e1a1700a13df5465bcdfeae6b01f138309"` [INFO] [stdout] 5d71f82eb0979e29fc21c911e2f356e1a1700a13df5465bcdfeae6b01f138309 [INFO] running `"docker" "create" "-v" "/mnt/big/crater/work/local/target-dirs/beta-1.38-1/worker-5/1.37.0:/opt/crater/target:rw,Z" "-v" "/mnt/big/crater/work/ex/beta-1.38-1/sources/1.37.0/gh/optimizely/optimizelyd-maildir:/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] 18936de9f5e53f5e709579bb80c0a4d2e3a776ad7cb2afc844fa24cc5c573f94 [INFO] running `"docker" "start" "-a" "18936de9f5e53f5e709579bb80c0a4d2e3a776ad7cb2afc844fa24cc5c573f94"` [INFO] [stderr] Finished dev [unoptimized + debuginfo] target(s) in 0.07s [INFO] [stderr] Running /opt/crater/target/debug/deps/optimizelyd_maildir-b1eafc841c838d2f [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" "18936de9f5e53f5e709579bb80c0a4d2e3a776ad7cb2afc844fa24cc5c573f94"` [INFO] running `"docker" "rm" "-f" "18936de9f5e53f5e709579bb80c0a4d2e3a776ad7cb2afc844fa24cc5c573f94"` [INFO] [stdout] 18936de9f5e53f5e709579bb80c0a4d2e3a776ad7cb2afc844fa24cc5c573f94