Nov 02 05:22:58.572 INFO checking team-rust/mailbox against master#f6e9a6e41cd9b1fb687e296b5a6d4c6ad399f862 for pr-55517
Nov 02 05:22:58.574 INFO running `"docker" "create" "-v" "/mnt/big/crater/work/local/target-dirs/pr-55517/worker-4/master#f6e9a6e41cd9b1fb687e296b5a6d4c6ad399f862:/target:rw,Z" "-v" "/mnt/big/crater/work/local/test-source/worker-4/pr-55517/master#f6e9a6e41cd9b1fb687e296b5a6d4c6ad399f862:/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 +f6e9a6e41cd9b1fb687e296b5a6d4c6ad399f862-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 02 05:22:59.158 INFO blam! 80d20aefe835c66a7bb0144a9becb32099a4422682dae5605f0b6bf75ca571a4
Nov 02 05:22:59.172 INFO running `"docker" "start" "-a" "80d20aefe835c66a7bb0144a9becb32099a4422682dae5605f0b6bf75ca571a4"`
Nov 02 05:23:00.368 INFO kablam! usermod: no changes
Nov 02 05:23:00.452 INFO kablam!     Checking mailbox v0.1.0 (/source)
Nov 02 05:23:01.005 INFO kablam! warning: method is never used: `new`
Nov 02 05:23:01.005 INFO kablam!  --> src/mailbox.rs:9:5
Nov 02 05:23:01.006 INFO kablam!   |
Nov 02 05:23:01.006 INFO kablam! 9 |     pub fn new(sender: String, receiver: String, body: String) -> Message {
Nov 02 05:23:01.006 INFO kablam!   |     ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
Nov 02 05:23:01.006 INFO kablam!   |
Nov 02 05:23:01.007 INFO kablam!   = note: #[warn(dead_code)] on by default
Nov 02 05:23:01.007 INFO kablam! 
Nov 02 05:23:01.007 INFO kablam! warning: method is never used: `new`
Nov 02 05:23:01.007 INFO kablam!   --> src/mailbox.rs:20:5
Nov 02 05:23:01.008 INFO kablam!    |
Nov 02 05:23:01.008 INFO kablam! 20 |     pub fn new() -> Mailbox {
Nov 02 05:23:01.008 INFO kablam!    |     ^^^^^^^^^^^^^^^^^^^^^^^
Nov 02 05:23:01.008 INFO kablam! 
Nov 02 05:23:01.008 INFO kablam! warning: method is never used: `store`
Nov 02 05:23:01.008 INFO kablam!   --> src/mailbox.rs:24:5
Nov 02 05:23:01.008 INFO kablam!    |
Nov 02 05:23:01.008 INFO kablam! 24 |     pub fn store(&mut self, m: Message) {
Nov 02 05:23:01.008 INFO kablam!    |     ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
Nov 02 05:23:01.008 INFO kablam! 
Nov 02 05:23:01.008 INFO kablam! warning: method is never used: `fetch`
Nov 02 05:23:01.008 INFO kablam!   --> src/mailbox.rs:28:5
Nov 02 05:23:01.008 INFO kablam!    |
Nov 02 05:23:01.008 INFO kablam! 28 |     pub fn fetch(&mut self) -> Option<Message> {
Nov 02 05:23:01.008 INFO kablam!    |     ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
Nov 02 05:23:01.008 INFO kablam! 
Nov 02 05:23:01.008 INFO kablam! warning: struct is never constructed: `SyncedMailbox`
Nov 02 05:23:01.008 INFO kablam!  --> src/syncedmailbox.rs:4:1
Nov 02 05:23:01.008 INFO kablam!   |
Nov 02 05:23:01.008 INFO kablam! 4 | struct SyncedMailbox {
Nov 02 05:23:01.008 INFO kablam!   | ^^^^^^^^^^^^^^^^^^^^
Nov 02 05:23:01.008 INFO kablam! 
Nov 02 05:23:01.024 INFO kablam! warning: method is never used: `new`
Nov 02 05:23:01.024 INFO kablam!  --> src/syncedmailbox.rs:9:5
Nov 02 05:23:01.024 INFO kablam!   |
Nov 02 05:23:01.024 INFO kablam! 9 |     fn new() -> SyncedMailbox {
Nov 02 05:23:01.024 INFO kablam!   |     ^^^^^^^^^^^^^^^^^^^^^^^^^
Nov 02 05:23:01.024 INFO kablam! 
Nov 02 05:23:01.024 INFO kablam! warning: method is never used: `store`
Nov 02 05:23:01.024 INFO kablam!   --> src/syncedmailbox.rs:14:5
Nov 02 05:23:01.024 INFO kablam!    |
Nov 02 05:23:01.024 INFO kablam! 14 |     fn store(&self, m: mailbox::Message) -> Result<(), String> {
Nov 02 05:23:01.024 INFO kablam!    |     ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
Nov 02 05:23:01.024 INFO kablam! 
Nov 02 05:23:01.024 INFO kablam! warning: method is never used: `fetch`
Nov 02 05:23:01.024 INFO kablam!   --> src/syncedmailbox.rs:21:5
Nov 02 05:23:01.024 INFO kablam!    |
Nov 02 05:23:01.024 INFO kablam! 21 |     fn fetch(&self) -> Result<mailbox::Message, String> {
Nov 02 05:23:01.024 INFO kablam!    |     ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
Nov 02 05:23:01.024 INFO kablam! 
Nov 02 05:23:01.149 INFO kablam!     Finished dev [unoptimized + debuginfo] target(s) in 0.74s
Nov 02 05:23:01.149 INFO kablam! su: No module specific data is present
Nov 02 05:23:02.110 INFO running `"docker" "rm" "-f" "80d20aefe835c66a7bb0144a9becb32099a4422682dae5605f0b6bf75ca571a4"`
Nov 02 05:23:02.504 INFO blam! 80d20aefe835c66a7bb0144a9becb32099a4422682dae5605f0b6bf75ca571a4