Nov 06 12:51:20.355 INFO checking team-rust/mailbox against master#24e66c28980442a48d9458f1a4f9b76cc722dc8a for pr-55687
Nov 06 12:51:20.356 INFO running `"docker" "create" "-v" "/mnt/big/crater/work/local/target-dirs/pr-55687/worker-1/master#24e66c28980442a48d9458f1a4f9b76cc722dc8a:/target:rw,Z" "-v" "/mnt/big/crater/work/local/test-source/worker-1/pr-55687/master#24e66c28980442a48d9458f1a4f9b76cc722dc8a:/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 +24e66c28980442a48d9458f1a4f9b76cc722dc8a-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 06 12:51:20.872 INFO blam! 22659fb1a81f8c14b092b9c5fc88caa0c8b10c0f90344cadd0b25e6c29b8df6c
Nov 06 12:51:20.875 INFO running `"docker" "start" "-a" "22659fb1a81f8c14b092b9c5fc88caa0c8b10c0f90344cadd0b25e6c29b8df6c"`
Nov 06 12:51:22.096 INFO kablam! usermod: no changes
Nov 06 12:51:22.200 INFO kablam!     Checking mailbox v0.1.0 (/source)
Nov 06 12:51:22.448 INFO kablam! warning: method is never used: `new`
Nov 06 12:51:22.448 INFO kablam!  --> src/mailbox.rs:9:5
Nov 06 12:51:22.448 INFO kablam!   |
Nov 06 12:51:22.448 INFO kablam! 9 |     pub fn new(sender: String, receiver: String, body: String) -> Message {
Nov 06 12:51:22.448 INFO kablam!   |     ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
Nov 06 12:51:22.448 INFO kablam!   |
Nov 06 12:51:22.448 INFO kablam!   = note: #[warn(dead_code)] on by default
Nov 06 12:51:22.448 INFO kablam! 
Nov 06 12:51:22.448 INFO kablam! warning: method is never used: `new`
Nov 06 12:51:22.448 INFO kablam!   --> src/mailbox.rs:20:5
Nov 06 12:51:22.448 INFO kablam!    |
Nov 06 12:51:22.448 INFO kablam! 20 |     pub fn new() -> Mailbox {
Nov 06 12:51:22.448 INFO kablam!    |     ^^^^^^^^^^^^^^^^^^^^^^^
Nov 06 12:51:22.448 INFO kablam! 
Nov 06 12:51:22.448 INFO kablam! warning: method is never used: `store`
Nov 06 12:51:22.448 INFO kablam!   --> src/mailbox.rs:24:5
Nov 06 12:51:22.449 INFO kablam!    |
Nov 06 12:51:22.449 INFO kablam! 24 |     pub fn store(&mut self, m: Message) {
Nov 06 12:51:22.449 INFO kablam!    |     ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
Nov 06 12:51:22.449 INFO kablam! 
Nov 06 12:51:22.449 INFO kablam! warning: method is never used: `fetch`
Nov 06 12:51:22.449 INFO kablam!   --> src/mailbox.rs:28:5
Nov 06 12:51:22.449 INFO kablam!    |
Nov 06 12:51:22.449 INFO kablam! 28 |     pub fn fetch(&mut self) -> Option<Message> {
Nov 06 12:51:22.449 INFO kablam!    |     ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
Nov 06 12:51:22.449 INFO kablam! 
Nov 06 12:51:22.449 INFO kablam! warning: struct is never constructed: `SyncedMailbox`
Nov 06 12:51:22.449 INFO kablam!  --> src/syncedmailbox.rs:4:1
Nov 06 12:51:22.449 INFO kablam!   |
Nov 06 12:51:22.449 INFO kablam! 4 | struct SyncedMailbox {
Nov 06 12:51:22.449 INFO kablam!   | ^^^^^^^^^^^^^^^^^^^^
Nov 06 12:51:22.449 INFO kablam! 
Nov 06 12:51:22.449 INFO kablam! warning: method is never used: `new`
Nov 06 12:51:22.449 INFO kablam!  --> src/syncedmailbox.rs:9:5
Nov 06 12:51:22.449 INFO kablam!   |
Nov 06 12:51:22.449 INFO kablam! 9 |     fn new() -> SyncedMailbox {
Nov 06 12:51:22.449 INFO kablam!   |     ^^^^^^^^^^^^^^^^^^^^^^^^^
Nov 06 12:51:22.449 INFO kablam! 
Nov 06 12:51:22.449 INFO kablam! warning: method is never used: `store`
Nov 06 12:51:22.449 INFO kablam!   --> src/syncedmailbox.rs:14:5
Nov 06 12:51:22.449 INFO kablam!    |
Nov 06 12:51:22.449 INFO kablam! 14 |     fn store(&self, m: mailbox::Message) -> Result<(), String> {
Nov 06 12:51:22.449 INFO kablam!    |     ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
Nov 06 12:51:22.449 INFO kablam! 
Nov 06 12:51:22.449 INFO kablam! warning: method is never used: `fetch`
Nov 06 12:51:22.449 INFO kablam!   --> src/syncedmailbox.rs:21:5
Nov 06 12:51:22.449 INFO kablam!    |
Nov 06 12:51:22.449 INFO kablam! 21 |     fn fetch(&self) -> Result<mailbox::Message, String> {
Nov 06 12:51:22.449 INFO kablam!    |     ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
Nov 06 12:51:22.449 INFO kablam! 
Nov 06 12:51:22.642 INFO kablam!     Finished dev [unoptimized + debuginfo] target(s) in 0.50s
Nov 06 12:51:22.648 INFO kablam! su: No module specific data is present
Nov 06 12:51:23.665 INFO running `"docker" "rm" "-f" "22659fb1a81f8c14b092b9c5fc88caa0c8b10c0f90344cadd0b25e6c29b8df6c"`
Nov 06 12:51:23.972 INFO blam! 22659fb1a81f8c14b092b9c5fc88caa0c8b10c0f90344cadd0b25e6c29b8df6c