Nov 03 21:55:31.741 INFO checking team-rust/mailbox against try#e740b9aa0b624fa39feb39613e76d15bdf57e594 for pr-55655
Nov 03 21:55:31.742 INFO running `"docker" "create" "-v" "/mnt/big/crater/work/local/target-dirs/pr-55655/worker-7/try#e740b9aa0b624fa39feb39613e76d15bdf57e594:/target:rw,Z" "-v" "/mnt/big/crater/work/local/test-source/worker-7/pr-55655/try#e740b9aa0b624fa39feb39613e76d15bdf57e594:/source:ro,Z" "-v" "/mnt/big/crater/work/local/cargo-home:/cargo-home:ro,Z" "-v" "/mnt/big/crater/work/local/rustup-home:/rustup-home:ro,Z" "-e" "USER_ID=1000" "-e" "SOURCE_DIR=/source" "-e" "USER_ID=1000" "-e" "CMD=cargo +e740b9aa0b624fa39feb39613e76d15bdf57e594-alt check --frozen --all --all-targets" "-e" "CARGO_TARGET_DIR=/target" "-e" "CARGO_INCREMENTAL=0" "-e" "RUST_BACKTRACE=full" "-e" "RUSTFLAGS=--cap-lints=forbid" "-e" "CARGO_HOME=/cargo-home" "-e" "RUSTUP_HOME=/rustup-home" "-m" "1536M" "--network" "none" "crater"`
Nov 03 21:55:32.395 INFO blam! 052cf9c745814c025c5c60c7314e578600a5ab76ad692c8868422c4a46412260
Nov 03 21:55:32.397 INFO running `"docker" "start" "-a" "052cf9c745814c025c5c60c7314e578600a5ab76ad692c8868422c4a46412260"`
Nov 03 21:55:33.787 INFO kablam! usermod: no changes
Nov 03 21:55:33.855 INFO kablam!     Checking mailbox v0.1.0 (/source)
Nov 03 21:55:34.279 INFO kablam! warning: method is never used: `new`
Nov 03 21:55:34.279 INFO kablam!  --> src/mailbox.rs:9:5
Nov 03 21:55:34.279 INFO kablam!   |
Nov 03 21:55:34.279 INFO kablam! 9 |     pub fn new(sender: String, receiver: String, body: String) -> Message {
Nov 03 21:55:34.279 INFO kablam!   |     ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
Nov 03 21:55:34.279 INFO kablam!   |
Nov 03 21:55:34.279 INFO kablam!   = note: #[warn(dead_code)] on by default
Nov 03 21:55:34.279 INFO kablam! 
Nov 03 21:55:34.279 INFO kablam! warning: method is never used: `new`
Nov 03 21:55:34.279 INFO kablam!   --> src/mailbox.rs:20:5
Nov 03 21:55:34.279 INFO kablam!    |
Nov 03 21:55:34.279 INFO kablam! 20 |     pub fn new() -> Mailbox {
Nov 03 21:55:34.279 INFO kablam!    |     ^^^^^^^^^^^^^^^^^^^^^^^
Nov 03 21:55:34.279 INFO kablam! 
Nov 03 21:55:34.279 INFO kablam! warning: method is never used: `store`
Nov 03 21:55:34.279 INFO kablam!   --> src/mailbox.rs:24:5
Nov 03 21:55:34.279 INFO kablam!    |
Nov 03 21:55:34.279 INFO kablam! 24 |     pub fn store(&mut self, m: Message) {
Nov 03 21:55:34.279 INFO kablam!    |     ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
Nov 03 21:55:34.279 INFO kablam! 
Nov 03 21:55:34.279 INFO kablam! warning: method is never used: `fetch`
Nov 03 21:55:34.279 INFO kablam!   --> src/mailbox.rs:28:5
Nov 03 21:55:34.279 INFO kablam!    |
Nov 03 21:55:34.279 INFO kablam! 28 |     pub fn fetch(&mut self) -> Option<Message> {
Nov 03 21:55:34.279 INFO kablam!    |     ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
Nov 03 21:55:34.279 INFO kablam! 
Nov 03 21:55:34.279 INFO kablam! warning: struct is never constructed: `SyncedMailbox`
Nov 03 21:55:34.279 INFO kablam!  --> src/syncedmailbox.rs:4:1
Nov 03 21:55:34.279 INFO kablam!   |
Nov 03 21:55:34.279 INFO kablam! 4 | struct SyncedMailbox {
Nov 03 21:55:34.279 INFO kablam!   | ^^^^^^^^^^^^^^^^^^^^
Nov 03 21:55:34.279 INFO kablam! 
Nov 03 21:55:34.279 INFO kablam! warning: method is never used: `new`
Nov 03 21:55:34.279 INFO kablam!  --> src/syncedmailbox.rs:9:5
Nov 03 21:55:34.279 INFO kablam!   |
Nov 03 21:55:34.279 INFO kablam! 9 |     fn new() -> SyncedMailbox {
Nov 03 21:55:34.279 INFO kablam!   |     ^^^^^^^^^^^^^^^^^^^^^^^^^
Nov 03 21:55:34.279 INFO kablam! 
Nov 03 21:55:34.279 INFO kablam! warning: method is never used: `store`
Nov 03 21:55:34.279 INFO kablam!   --> src/syncedmailbox.rs:14:5
Nov 03 21:55:34.279 INFO kablam!    |
Nov 03 21:55:34.279 INFO kablam! 14 |     fn store(&self, m: mailbox::Message) -> Result<(), String> {
Nov 03 21:55:34.279 INFO kablam!    |     ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
Nov 03 21:55:34.279 INFO kablam! 
Nov 03 21:55:34.279 INFO kablam! warning: method is never used: `fetch`
Nov 03 21:55:34.279 INFO kablam!   --> src/syncedmailbox.rs:21:5
Nov 03 21:55:34.280 INFO kablam!    |
Nov 03 21:55:34.280 INFO kablam! 21 |     fn fetch(&self) -> Result<mailbox::Message, String> {
Nov 03 21:55:34.280 INFO kablam!    |     ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
Nov 03 21:55:34.280 INFO kablam! 
Nov 03 21:55:34.363 INFO kablam!     Finished dev [unoptimized + debuginfo] target(s) in 0.53s
Nov 03 21:55:34.363 INFO kablam! su: No module specific data is present
Nov 03 21:55:35.619 INFO running `"docker" "rm" "-f" "052cf9c745814c025c5c60c7314e578600a5ab76ad692c8868422c4a46412260"`
Nov 03 21:55:35.855 INFO blam! 052cf9c745814c025c5c60c7314e578600a5ab76ad692c8868422c4a46412260