Nov 30 01:00:08.970 INFO checking jevankovich/rpncalc against master#a49316ddc99d9d595193557fc899f6c52e4d9af9 for pr-56323
Nov 30 01:00:08.970 INFO running `"docker" "create" "-v" "/mnt/big/crater/work/local/target-dirs/pr-56323/worker-5/master#a49316ddc99d9d595193557fc899f6c52e4d9af9:/target:rw,Z" "-v" "/mnt/big/crater/work/local/test-source/worker-5/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 30 01:00:09.468 INFO [stdout] e7922ad8a91ae7cde8d4a60ca115bd4a3c995f607772b439f1e924aaa76ecb9b
Nov 30 01:00:09.470 INFO running `"docker" "start" "-a" "e7922ad8a91ae7cde8d4a60ca115bd4a3c995f607772b439f1e924aaa76ecb9b"`
Nov 30 01:00:10.600 INFO [stderr] usermod: no changes
Nov 30 01:00:10.720 INFO [stderr]     Checking rpncalc v0.1.0 (/source)
Nov 30 01:00:11.176 INFO [stderr] warning: unused import: `std::collections::HashMap`
Nov 30 01:00:11.177 INFO [stderr]  --> src/main.rs:4:5
Nov 30 01:00:11.177 INFO [stderr]   |
Nov 30 01:00:11.177 INFO [stderr] 4 | use std::collections::HashMap;
Nov 30 01:00:11.177 INFO [stderr]   |     ^^^^^^^^^^^^^^^^^^^^^^^^^
Nov 30 01:00:11.178 INFO [stderr]   |
Nov 30 01:00:11.178 INFO [stderr]   = note: #[warn(unused_imports)] on by default
Nov 30 01:00:11.178 INFO [stderr] 
Nov 30 01:00:11.178 INFO [stderr] warning: unused import: `std::rc::Rc`
Nov 30 01:00:11.178 INFO [stderr]  --> src/main.rs:5:5
Nov 30 01:00:11.178 INFO [stderr]   |
Nov 30 01:00:11.178 INFO [stderr] 5 | use std::rc::Rc;
Nov 30 01:00:11.178 INFO [stderr]   |     ^^^^^^^^^^^
Nov 30 01:00:11.178 INFO [stderr] 
Nov 30 01:00:11.213 INFO [stderr] warning: unused variable: `err`
Nov 30 01:00:11.213 INFO [stderr]   --> src/main.rs:45:17
Nov 30 01:00:11.213 INFO [stderr]    |
Nov 30 01:00:11.213 INFO [stderr] 45 |             Err(err) => println!("Unknown word: \"{}\"", word),
Nov 30 01:00:11.213 INFO [stderr]    |                 ^^^ help: consider using `_err` instead
Nov 30 01:00:11.213 INFO [stderr]    |
Nov 30 01:00:11.213 INFO [stderr]    = note: #[warn(unused_variables)] on by default
Nov 30 01:00:11.213 INFO [stderr] 
Nov 30 01:00:11.280 INFO [stderr] warning: unused `std::result::Result` that must be used
Nov 30 01:00:11.281 INFO [stderr]   --> src/main.rs:78:5
Nov 30 01:00:11.281 INFO [stderr]    |
Nov 30 01:00:11.281 INFO [stderr] 78 |     stdout.flush();
Nov 30 01:00:11.281 INFO [stderr]    |     ^^^^^^^^^^^^^^^
Nov 30 01:00:11.281 INFO [stderr]    |
Nov 30 01:00:11.281 INFO [stderr]    = note: #[warn(unused_must_use)] on by default
Nov 30 01:00:11.281 INFO [stderr]    = note: this `Result` may be an `Err` variant, which should be handled
Nov 30 01:00:11.281 INFO [stderr] 
Nov 30 01:00:11.281 INFO [stderr] warning: unused `std::result::Result` that must be used
Nov 30 01:00:11.281 INFO [stderr]   --> src/main.rs:87:9
Nov 30 01:00:11.281 INFO [stderr]    |
Nov 30 01:00:11.281 INFO [stderr] 87 |         stdout.flush();
Nov 30 01:00:11.281 INFO [stderr]    |         ^^^^^^^^^^^^^^^
Nov 30 01:00:11.281 INFO [stderr]    |
Nov 30 01:00:11.281 INFO [stderr]    = note: this `Result` may be an `Err` variant, which should be handled
Nov 30 01:00:11.281 INFO [stderr] 
Nov 30 01:00:11.284 INFO [stderr] warning: unused import: `std::collections::HashMap`
Nov 30 01:00:11.284 INFO [stderr]  --> src/main.rs:4:5
Nov 30 01:00:11.284 INFO [stderr]   |
Nov 30 01:00:11.284 INFO [stderr] 4 | use std::collections::HashMap;
Nov 30 01:00:11.284 INFO [stderr]   |     ^^^^^^^^^^^^^^^^^^^^^^^^^
Nov 30 01:00:11.284 INFO [stderr]   |
Nov 30 01:00:11.284 INFO [stderr]   = note: #[warn(unused_imports)] on by default
Nov 30 01:00:11.284 INFO [stderr] 
Nov 30 01:00:11.284 INFO [stderr] warning: unused import: `std::rc::Rc`
Nov 30 01:00:11.284 INFO [stderr]  --> src/main.rs:5:5
Nov 30 01:00:11.284 INFO [stderr]   |
Nov 30 01:00:11.284 INFO [stderr] 5 | use std::rc::Rc;
Nov 30 01:00:11.284 INFO [stderr]   |     ^^^^^^^^^^^
Nov 30 01:00:11.284 INFO [stderr] 
Nov 30 01:00:11.335 INFO [stderr] warning: unused variable: `err`
Nov 30 01:00:11.336 INFO [stderr]   --> src/main.rs:45:17
Nov 30 01:00:11.336 INFO [stderr]    |
Nov 30 01:00:11.336 INFO [stderr] 45 |             Err(err) => println!("Unknown word: \"{}\"", word),
Nov 30 01:00:11.336 INFO [stderr]    |                 ^^^ help: consider using `_err` instead
Nov 30 01:00:11.336 INFO [stderr]    |
Nov 30 01:00:11.336 INFO [stderr]    = note: #[warn(unused_variables)] on by default
Nov 30 01:00:11.336 INFO [stderr] 
Nov 30 01:00:11.360 INFO [stderr] warning: unused `std::result::Result` that must be used
Nov 30 01:00:11.360 INFO [stderr]   --> src/main.rs:78:5
Nov 30 01:00:11.360 INFO [stderr]    |
Nov 30 01:00:11.360 INFO [stderr] 78 |     stdout.flush();
Nov 30 01:00:11.360 INFO [stderr]    |     ^^^^^^^^^^^^^^^
Nov 30 01:00:11.360 INFO [stderr]    |
Nov 30 01:00:11.360 INFO [stderr]    = note: #[warn(unused_must_use)] on by default
Nov 30 01:00:11.360 INFO [stderr]    = note: this `Result` may be an `Err` variant, which should be handled
Nov 30 01:00:11.360 INFO [stderr] 
Nov 30 01:00:11.360 INFO [stderr] warning: unused `std::result::Result` that must be used
Nov 30 01:00:11.360 INFO [stderr]   --> src/main.rs:87:9
Nov 30 01:00:11.360 INFO [stderr]    |
Nov 30 01:00:11.360 INFO [stderr] 87 |         stdout.flush();
Nov 30 01:00:11.360 INFO [stderr]    |         ^^^^^^^^^^^^^^^
Nov 30 01:00:11.360 INFO [stderr]    |
Nov 30 01:00:11.360 INFO [stderr]    = note: this `Result` may be an `Err` variant, which should be handled
Nov 30 01:00:11.360 INFO [stderr] 
Nov 30 01:00:11.381 INFO [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 0.73s
Nov 30 01:00:11.382 INFO [stderr] su: No module specific data is present
Nov 30 01:00:12.473 INFO running `"docker" "inspect" "e7922ad8a91ae7cde8d4a60ca115bd4a3c995f607772b439f1e924aaa76ecb9b"`
Nov 30 01:00:12.842 INFO running `"docker" "rm" "-f" "e7922ad8a91ae7cde8d4a60ca115bd4a3c995f607772b439f1e924aaa76ecb9b"`
Nov 30 01:00:13.158 INFO [stdout] e7922ad8a91ae7cde8d4a60ca115bd4a3c995f607772b439f1e924aaa76ecb9b