[INFO] updating cached repository ANtlord/rtest [INFO] running `"git" "fetch" "--all"` [INFO] [stdout] Fetching origin [INFO] [stderr] From git://github.com/ANtlord/rtest [INFO] [stderr] * branch HEAD -> FETCH_HEAD [INFO] running `"git" "clone" "work/cache/sources/gh/ANtlord/rtest" "work/ex/beta-1.38-1/sources/1.37.0/gh/ANtlord/rtest"` [INFO] [stderr] Cloning into 'work/ex/beta-1.38-1/sources/1.37.0/gh/ANtlord/rtest'... [INFO] [stderr] done. [INFO] running `"git" "clone" "work/cache/sources/gh/ANtlord/rtest" "work/ex/beta-1.38-1/sources/beta-2019-08-13/gh/ANtlord/rtest"` [INFO] [stderr] Cloning into 'work/ex/beta-1.38-1/sources/beta-2019-08-13/gh/ANtlord/rtest'... [INFO] [stderr] done. [INFO] running `"git" "rev-parse" "HEAD"` [INFO] [stdout] 8dc929f821b55d5940f1d89c31bd4d889abb67eb [INFO] sha for GitHub repo ANtlord/rtest: 8dc929f821b55d5940f1d89c31bd4d889abb67eb [INFO] validating manifest of ANtlord/rtest 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 ANtlord/rtest 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 ANtlord/rtest [INFO] finished frobbing ANtlord/rtest [INFO] frobbed toml for ANtlord/rtest written to work/ex/beta-1.38-1/sources/1.37.0/gh/ANtlord/rtest/Cargo.toml [INFO] started frobbing ANtlord/rtest [INFO] finished frobbing ANtlord/rtest [INFO] frobbed toml for ANtlord/rtest written to work/ex/beta-1.38-1/sources/beta-2019-08-13/gh/ANtlord/rtest/Cargo.toml [INFO] crate ANtlord/rtest 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 ANtlord/rtest 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-2/1.37.0:/opt/crater/target:rw,Z" "-v" "/mnt/big/crater/work/ex/beta-1.38-1/sources/1.37.0/gh/ANtlord/rtest:/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] 7d10900bbb74509229369d8b07ccb9786e3c6e6b0899099ae76e6bb826a8ab2b [INFO] running `"docker" "start" "-a" "7d10900bbb74509229369d8b07ccb9786e3c6e6b0899099ae76e6bb826a8ab2b"` [INFO] [stderr] Blocking waiting for file lock on package cache [INFO] [stderr] Blocking waiting for file lock on package cache [INFO] [stderr] Compiling openssl v0.9.14 [INFO] [stderr] Compiling serde v1.0.10 [INFO] [stderr] Compiling linked-hash-map v0.3.0 [INFO] [stderr] Compiling rust-crypto v0.2.36 [INFO] [stderr] Compiling openssl-sys v0.9.14 [INFO] [stderr] Compiling time v0.1.38 [INFO] [stderr] Compiling hostname v0.1.3 [INFO] [stderr] Compiling errno v0.2.3 [INFO] [stderr] Compiling env_logger v0.4.3 [INFO] [stderr] Compiling iconv v0.0.1 (https://github.com/y-stm/rust-iconv#4bc8877c) [INFO] [stderr] Compiling chrono v0.4.0 [INFO] [stderr] Compiling imap v0.3.2 [INFO] [stderr] Compiling serde_json v1.0.2 [INFO] [stderr] Compiling bson v0.9.0 [INFO] [stderr] Compiling rtest v0.1.0 (/opt/crater/workdir) [INFO] [stderr] warning: unused `#[macro_use]` import [INFO] [stderr] --> src/main.rs:5:13 [INFO] [stderr] | [INFO] [stderr] 5 | #[macro_use(bson, doc)] [INFO] [stderr] | ^^^^ [INFO] [stderr] | [INFO] [stderr] = note: #[warn(unused_imports)] on by default [INFO] [stderr] [INFO] [stderr] warning: unused `#[macro_use]` import [INFO] [stderr] --> src/main.rs:5:19 [INFO] [stderr] | [INFO] [stderr] 5 | #[macro_use(bson, doc)] [INFO] [stderr] | ^^^ [INFO] [stderr] [INFO] [stderr] warning: unused import: `std::ops::Deref` [INFO] [stderr] --> src/data_mining.rs:8:5 [INFO] [stderr] | [INFO] [stderr] 8 | use std::ops::Deref; [INFO] [stderr] | ^^^^^^^^^^^^^^^ [INFO] [stderr] [INFO] [stderr] warning: unused import: `std::str::FromStr` [INFO] [stderr] --> src/io.rs:2:5 [INFO] [stderr] | [INFO] [stderr] 2 | use std::str::FromStr; [INFO] [stderr] | ^^^^^^^^^^^^^^^^^ [INFO] [stderr] [INFO] [stderr] warning: unused import: `std::sync::mpsc::channel` [INFO] [stderr] --> src/account/mod.rs:14:5 [INFO] [stderr] | [INFO] [stderr] 14 | use std::sync::mpsc::channel; [INFO] [stderr] | ^^^^^^^^^^^^^^^^^^^^^^^^ [INFO] [stderr] [INFO] [stderr] warning: unused import: `std::cell::RefCell` [INFO] [stderr] --> src/account/mod.rs:16:5 [INFO] [stderr] | [INFO] [stderr] 16 | use std::cell::RefCell; [INFO] [stderr] | ^^^^^^^^^^^^^^^^^^ [INFO] [stderr] [INFO] [stderr] warning: unused variable: `folder` [INFO] [stderr] --> src/data_mining.rs:71:42 [INFO] [stderr] | [INFO] [stderr] 71 | pub fn get_folder_content(&mut self, folder: &FolderData) -> Vec { [INFO] [stderr] | ^^^^^^ help: consider prefixing with an underscore: `_folder` [INFO] [stderr] | [INFO] [stderr] = note: #[warn(unused_variables)] on by default [INFO] [stderr] [INFO] [stderr] warning: variable does not need to be mutable [INFO] [stderr] --> src/account/mod.rs:99:13 [INFO] [stderr] | [INFO] [stderr] 99 | let mut folder = self.folders.get_mut("INBOX").unwrap(); [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: method is never used: `select` [INFO] [stderr] --> src/data_mining.rs:51:5 [INFO] [stderr] | [INFO] [stderr] 51 | pub fn select(&mut self, folder: &FolderData) -> Mailbox { [INFO] [stderr] | ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^ [INFO] [stderr] | [INFO] [stderr] = note: #[warn(dead_code)] on by default [INFO] [stderr] [INFO] [stderr] warning: method is never used: `search_new_messages` [INFO] [stderr] --> src/data_mining.rs:64:5 [INFO] [stderr] | [INFO] [stderr] 64 | pub fn search_new_messages(&mut self) -> Vec { [INFO] [stderr] | ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^ [INFO] [stderr] [INFO] [stderr] warning: method is never used: `get_folder_content` [INFO] [stderr] --> src/data_mining.rs:71:5 [INFO] [stderr] | [INFO] [stderr] 71 | pub fn get_folder_content(&mut self, folder: &FolderData) -> Vec { [INFO] [stderr] | ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^ [INFO] [stderr] [INFO] [stderr] warning: method is never used: `logout` [INFO] [stderr] --> src/data_mining.rs:78:5 [INFO] [stderr] | [INFO] [stderr] 78 | pub fn logout(&mut self) { [INFO] [stderr] | ^^^^^^^^^^^^^^^^^^^^^^^^ [INFO] [stderr] [INFO] [stderr] warning: field is never used: `other` [INFO] [stderr] --> src/data_mining.rs:108:5 [INFO] [stderr] | [INFO] [stderr] 108 | other: String, [INFO] [stderr] | ^^^^^^^^^^^^^ [INFO] [stderr] [INFO] [stderr] warning: function is never used: `serialize` [INFO] [stderr] --> src/io.rs:9:1 [INFO] [stderr] | [INFO] [stderr] 9 | fn serialize(mailbox: &Mailbox) -> Document { [INFO] [stderr] | ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^ [INFO] [stderr] [INFO] [stderr] warning: function is never used: `save` [INFO] [stderr] --> src/io.rs:17:1 [INFO] [stderr] | [INFO] [stderr] 17 | pub fn save(mailbox: &Mailbox) { [INFO] [stderr] | ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^ [INFO] [stderr] [INFO] [stderr] warning: field is never used: `auth` [INFO] [stderr] --> src/account/mod.rs:23:5 [INFO] [stderr] | [INFO] [stderr] 23 | auth: Auth, [INFO] [stderr] | ^^^^^^^^^^ [INFO] [stderr] [INFO] [stderr] warning: field is never used: `sender` [INFO] [stderr] --> src/account/mod.rs:40:5 [INFO] [stderr] | [INFO] [stderr] 40 | sender: String, [INFO] [stderr] | ^^^^^^^^^^^^^^ [INFO] [stderr] [INFO] [stderr] warning: field is never used: `subject` [INFO] [stderr] --> src/account/mod.rs:41:5 [INFO] [stderr] | [INFO] [stderr] 41 | subject: String, [INFO] [stderr] | ^^^^^^^^^^^^^^^ [INFO] [stderr] [INFO] [stderr] warning: unused `std::result::Result` that must be used [INFO] [stderr] --> src/account/mod.rs:72:9 [INFO] [stderr] | [INFO] [stderr] 72 | handle.join(); [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] Finished dev [unoptimized + debuginfo] target(s) in 45.45s [INFO] running `"docker" "inspect" "7d10900bbb74509229369d8b07ccb9786e3c6e6b0899099ae76e6bb826a8ab2b"` [INFO] running `"docker" "rm" "-f" "7d10900bbb74509229369d8b07ccb9786e3c6e6b0899099ae76e6bb826a8ab2b"` [INFO] [stdout] 7d10900bbb74509229369d8b07ccb9786e3c6e6b0899099ae76e6bb826a8ab2b [INFO] running `"docker" "create" "-v" "/mnt/big/crater/work/local/target-dirs/beta-1.38-1/worker-2/1.37.0:/opt/crater/target:rw,Z" "-v" "/mnt/big/crater/work/ex/beta-1.38-1/sources/1.37.0/gh/ANtlord/rtest:/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] d070b7a1e6e75a01e87270aa5ff314bc3eec481e916c6d46d50a20f429e7d44b [INFO] running `"docker" "start" "-a" "d070b7a1e6e75a01e87270aa5ff314bc3eec481e916c6d46d50a20f429e7d44b"` [INFO] [stderr] Compiling rtest v0.1.0 (/opt/crater/workdir) [INFO] [stderr] warning: unused `#[macro_use]` import [INFO] [stderr] --> src/main.rs:5:13 [INFO] [stderr] | [INFO] [stderr] 5 | #[macro_use(bson, doc)] [INFO] [stderr] | ^^^^ [INFO] [stderr] | [INFO] [stderr] = note: #[warn(unused_imports)] on by default [INFO] [stderr] [INFO] [stderr] warning: unused `#[macro_use]` import [INFO] [stderr] --> src/main.rs:5:19 [INFO] [stderr] | [INFO] [stderr] 5 | #[macro_use(bson, doc)] [INFO] [stderr] | ^^^ [INFO] [stderr] [INFO] [stderr] warning: unused import: `std::ops::Deref` [INFO] [stderr] --> src/data_mining.rs:8:5 [INFO] [stderr] | [INFO] [stderr] 8 | use std::ops::Deref; [INFO] [stderr] | ^^^^^^^^^^^^^^^ [INFO] [stderr] [INFO] [stderr] warning: unused import: `std::str::FromStr` [INFO] [stderr] --> src/io.rs:2:5 [INFO] [stderr] | [INFO] [stderr] 2 | use std::str::FromStr; [INFO] [stderr] | ^^^^^^^^^^^^^^^^^ [INFO] [stderr] [INFO] [stderr] warning: unused import: `std::sync::mpsc::channel` [INFO] [stderr] --> src/account/mod.rs:14:5 [INFO] [stderr] | [INFO] [stderr] 14 | use std::sync::mpsc::channel; [INFO] [stderr] | ^^^^^^^^^^^^^^^^^^^^^^^^ [INFO] [stderr] [INFO] [stderr] warning: unused import: `std::cell::RefCell` [INFO] [stderr] --> src/account/mod.rs:16:5 [INFO] [stderr] | [INFO] [stderr] 16 | use std::cell::RefCell; [INFO] [stderr] | ^^^^^^^^^^^^^^^^^^ [INFO] [stderr] [INFO] [stderr] warning: unused variable: `folder` [INFO] [stderr] --> src/data_mining.rs:71:42 [INFO] [stderr] | [INFO] [stderr] 71 | pub fn get_folder_content(&mut self, folder: &FolderData) -> Vec { [INFO] [stderr] | ^^^^^^ help: consider prefixing with an underscore: `_folder` [INFO] [stderr] | [INFO] [stderr] = note: #[warn(unused_variables)] on by default [INFO] [stderr] [INFO] [stderr] warning: variable does not need to be mutable [INFO] [stderr] --> src/account/mod.rs:99:13 [INFO] [stderr] | [INFO] [stderr] 99 | let mut folder = self.folders.get_mut("INBOX").unwrap(); [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: method is never used: `select` [INFO] [stderr] --> src/data_mining.rs:51:5 [INFO] [stderr] | [INFO] [stderr] 51 | pub fn select(&mut self, folder: &FolderData) -> Mailbox { [INFO] [stderr] | ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^ [INFO] [stderr] | [INFO] [stderr] = note: #[warn(dead_code)] on by default [INFO] [stderr] [INFO] [stderr] warning: method is never used: `search_new_messages` [INFO] [stderr] --> src/data_mining.rs:64:5 [INFO] [stderr] | [INFO] [stderr] 64 | pub fn search_new_messages(&mut self) -> Vec { [INFO] [stderr] | ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^ [INFO] [stderr] [INFO] [stderr] warning: method is never used: `get_folder_content` [INFO] [stderr] --> src/data_mining.rs:71:5 [INFO] [stderr] | [INFO] [stderr] 71 | pub fn get_folder_content(&mut self, folder: &FolderData) -> Vec { [INFO] [stderr] | ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^ [INFO] [stderr] [INFO] [stderr] warning: method is never used: `logout` [INFO] [stderr] --> src/data_mining.rs:78:5 [INFO] [stderr] | [INFO] [stderr] 78 | pub fn logout(&mut self) { [INFO] [stderr] | ^^^^^^^^^^^^^^^^^^^^^^^^ [INFO] [stderr] [INFO] [stderr] warning: field is never used: `other` [INFO] [stderr] --> src/data_mining.rs:108:5 [INFO] [stderr] | [INFO] [stderr] 108 | other: String, [INFO] [stderr] | ^^^^^^^^^^^^^ [INFO] [stderr] [INFO] [stderr] warning: function is never used: `serialize` [INFO] [stderr] --> src/io.rs:9:1 [INFO] [stderr] | [INFO] [stderr] 9 | fn serialize(mailbox: &Mailbox) -> Document { [INFO] [stderr] | ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^ [INFO] [stderr] [INFO] [stderr] warning: function is never used: `save` [INFO] [stderr] --> src/io.rs:17:1 [INFO] [stderr] | [INFO] [stderr] 17 | pub fn save(mailbox: &Mailbox) { [INFO] [stderr] | ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^ [INFO] [stderr] [INFO] [stderr] warning: field is never used: `auth` [INFO] [stderr] --> src/account/mod.rs:23:5 [INFO] [stderr] | [INFO] [stderr] 23 | auth: Auth, [INFO] [stderr] | ^^^^^^^^^^ [INFO] [stderr] [INFO] [stderr] warning: field is never used: `sender` [INFO] [stderr] --> src/account/mod.rs:40:5 [INFO] [stderr] | [INFO] [stderr] 40 | sender: String, [INFO] [stderr] | ^^^^^^^^^^^^^^ [INFO] [stderr] [INFO] [stderr] warning: field is never used: `subject` [INFO] [stderr] --> src/account/mod.rs:41:5 [INFO] [stderr] | [INFO] [stderr] 41 | subject: String, [INFO] [stderr] | ^^^^^^^^^^^^^^^ [INFO] [stderr] [INFO] [stderr] warning: unused `std::result::Result` that must be used [INFO] [stderr] --> src/account/mod.rs:72:9 [INFO] [stderr] | [INFO] [stderr] 72 | handle.join(); [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] Finished dev [unoptimized + debuginfo] target(s) in 2.18s [INFO] running `"docker" "inspect" "d070b7a1e6e75a01e87270aa5ff314bc3eec481e916c6d46d50a20f429e7d44b"` [INFO] running `"docker" "rm" "-f" "d070b7a1e6e75a01e87270aa5ff314bc3eec481e916c6d46d50a20f429e7d44b"` [INFO] [stdout] d070b7a1e6e75a01e87270aa5ff314bc3eec481e916c6d46d50a20f429e7d44b [INFO] running `"docker" "create" "-v" "/mnt/big/crater/work/local/target-dirs/beta-1.38-1/worker-2/1.37.0:/opt/crater/target:rw,Z" "-v" "/mnt/big/crater/work/ex/beta-1.38-1/sources/1.37.0/gh/ANtlord/rtest:/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] b43e3b730afec782da6cef7ccc74ef4430a5016ecd3dfdb78602880bbe5bffa3 [INFO] running `"docker" "start" "-a" "b43e3b730afec782da6cef7ccc74ef4430a5016ecd3dfdb78602880bbe5bffa3"` [INFO] [stderr] Finished dev [unoptimized + debuginfo] target(s) in 0.09s [INFO] [stderr] Running /opt/crater/target/debug/deps/rtest-3e1e56924f5585d9 [INFO] [stdout] [INFO] [stdout] running 1 test [INFO] [stdout] test account::folder::tests::update_from_status_command ... ok [INFO] [stdout] [INFO] [stdout] test result: ok. 1 passed; 0 failed; 0 ignored; 0 measured; 0 filtered out [INFO] [stdout] [INFO] running `"docker" "inspect" "b43e3b730afec782da6cef7ccc74ef4430a5016ecd3dfdb78602880bbe5bffa3"` [INFO] running `"docker" "rm" "-f" "b43e3b730afec782da6cef7ccc74ef4430a5016ecd3dfdb78602880bbe5bffa3"` [INFO] [stdout] b43e3b730afec782da6cef7ccc74ef4430a5016ecd3dfdb78602880bbe5bffa3