Nov 29 16:51:39.069 INFO checking team-rust/mailbox against master#a49316ddc99d9d595193557fc899f6c52e4d9af9 for pr-56323
Nov 29 16:51:39.070 INFO running `"docker" "create" "-v" "/mnt/big/crater/work/local/target-dirs/pr-56323/worker-7/master#a49316ddc99d9d595193557fc899f6c52e4d9af9:/target:rw,Z" "-v" "/mnt/big/crater/work/local/test-source/worker-7/pr-56323/master#a49316ddc99d9d595193557fc899f6c52e4d9af9:/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 +a49316ddc99d9d595193557fc899f6c52e4d9af9-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 29 16:51:39.582 INFO [stdout] c8d8d4a7ef3b6cf25b834533d9ea370353288ba033b4d8f846f69816c9fc5e89
Nov 29 16:51:39.584 INFO running `"docker" "start" "-a" "c8d8d4a7ef3b6cf25b834533d9ea370353288ba033b4d8f846f69816c9fc5e89"`
Nov 29 16:51:41.080 INFO [stderr] usermod: no changes
Nov 29 16:51:41.132 INFO [stderr]     Checking mailbox v0.1.0 (/source)
Nov 29 16:51:41.572 INFO [stderr] warning: method is never used: `new`
Nov 29 16:51:41.572 INFO [stderr]  --> src/mailbox.rs:9:5
Nov 29 16:51:41.572 INFO [stderr]   |
Nov 29 16:51:41.572 INFO [stderr] 9 |     pub fn new(sender: String, receiver: String, body: String) -> Message {
Nov 29 16:51:41.572 INFO [stderr]   |     ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
Nov 29 16:51:41.572 INFO [stderr]   |
Nov 29 16:51:41.572 INFO [stderr]   = note: #[warn(dead_code)] on by default
Nov 29 16:51:41.572 INFO [stderr] 
Nov 29 16:51:41.572 INFO [stderr] warning: method is never used: `new`
Nov 29 16:51:41.572 INFO [stderr]   --> src/mailbox.rs:20:5
Nov 29 16:51:41.572 INFO [stderr]    |
Nov 29 16:51:41.572 INFO [stderr] 20 |     pub fn new() -> Mailbox {
Nov 29 16:51:41.572 INFO [stderr]    |     ^^^^^^^^^^^^^^^^^^^^^^^
Nov 29 16:51:41.572 INFO [stderr] 
Nov 29 16:51:41.572 INFO [stderr] warning: method is never used: `store`
Nov 29 16:51:41.572 INFO [stderr]   --> src/mailbox.rs:24:5
Nov 29 16:51:41.572 INFO [stderr]    |
Nov 29 16:51:41.572 INFO [stderr] 24 |     pub fn store(&mut self, m: Message) {
Nov 29 16:51:41.572 INFO [stderr]    |     ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
Nov 29 16:51:41.572 INFO [stderr] 
Nov 29 16:51:41.572 INFO [stderr] warning: method is never used: `fetch`
Nov 29 16:51:41.572 INFO [stderr]   --> src/mailbox.rs:28:5
Nov 29 16:51:41.572 INFO [stderr]    |
Nov 29 16:51:41.572 INFO [stderr] 28 |     pub fn fetch(&mut self) -> Option<Message> {
Nov 29 16:51:41.572 INFO [stderr]    |     ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
Nov 29 16:51:41.572 INFO [stderr] 
Nov 29 16:51:41.572 INFO [stderr] warning: struct is never constructed: `SyncedMailbox`
Nov 29 16:51:41.572 INFO [stderr]  --> src/syncedmailbox.rs:4:1
Nov 29 16:51:41.572 INFO [stderr]   |
Nov 29 16:51:41.572 INFO [stderr] 4 | struct SyncedMailbox {
Nov 29 16:51:41.572 INFO [stderr]   | ^^^^^^^^^^^^^^^^^^^^
Nov 29 16:51:41.572 INFO [stderr] 
Nov 29 16:51:41.572 INFO [stderr] warning: method is never used: `new`
Nov 29 16:51:41.572 INFO [stderr]  --> src/syncedmailbox.rs:9:5
Nov 29 16:51:41.572 INFO [stderr]   |
Nov 29 16:51:41.572 INFO [stderr] 9 |     fn new() -> SyncedMailbox {
Nov 29 16:51:41.572 INFO [stderr]   |     ^^^^^^^^^^^^^^^^^^^^^^^^^
Nov 29 16:51:41.572 INFO [stderr] 
Nov 29 16:51:41.573 INFO [stderr] warning: method is never used: `store`
Nov 29 16:51:41.573 INFO [stderr]   --> src/syncedmailbox.rs:14:5
Nov 29 16:51:41.573 INFO [stderr]    |
Nov 29 16:51:41.573 INFO [stderr] 14 |     fn store(&self, m: mailbox::Message) -> Result<(), String> {
Nov 29 16:51:41.573 INFO [stderr]    |     ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
Nov 29 16:51:41.573 INFO [stderr] 
Nov 29 16:51:41.573 INFO [stderr] warning: method is never used: `fetch`
Nov 29 16:51:41.573 INFO [stderr]   --> src/syncedmailbox.rs:21:5
Nov 29 16:51:41.573 INFO [stderr]    |
Nov 29 16:51:41.573 INFO [stderr] 21 |     fn fetch(&self) -> Result<mailbox::Message, String> {
Nov 29 16:51:41.573 INFO [stderr]    |     ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
Nov 29 16:51:41.573 INFO [stderr] 
Nov 29 16:51:41.824 INFO [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 0.72s
Nov 29 16:51:41.824 INFO [stderr] su: No module specific data is present
Nov 29 16:51:42.592 INFO running `"docker" "inspect" "c8d8d4a7ef3b6cf25b834533d9ea370353288ba033b4d8f846f69816c9fc5e89"`
Nov 29 16:51:42.946 INFO running `"docker" "rm" "-f" "c8d8d4a7ef3b6cf25b834533d9ea370353288ba033b4d8f846f69816c9fc5e89"`
Nov 29 16:51:43.200 INFO [stdout] c8d8d4a7ef3b6cf25b834533d9ea370353288ba033b4d8f846f69816c9fc5e89