Dec 04 16:59:33.739 INFO checking jaemk/rok against master#c8ae2de8363be088604ffa2ccba84ff7ad7250bc for pr-56481
Dec 04 16:59:33.740 INFO running `"docker" "create" "-v" "/mnt/big/crater/work/local/target-dirs/pr-56481/worker-2/master#c8ae2de8363be088604ffa2ccba84ff7ad7250bc:/target:rw,Z" "-v" "/mnt/big/crater/work/local/test-source/worker-2/pr-56481/master#c8ae2de8363be088604ffa2ccba84ff7ad7250bc:/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 +c8ae2de8363be088604ffa2ccba84ff7ad7250bc-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"`
Dec 04 16:59:34.257 INFO [stdout] fa67b3a424af099776f31b1fc9c10fbf8f344b598c453122c1269df02e4cccf9
Dec 04 16:59:34.263 INFO running `"docker" "start" "-a" "fa67b3a424af099776f31b1fc9c10fbf8f344b598c453122c1269df02e4cccf9"`
Dec 04 16:59:35.978 INFO [stderr] usermod: no changes
Dec 04 16:59:36.145 INFO [stderr]     Checking either v1.3.0
Dec 04 16:59:36.153 INFO [stderr]     Checking nix v0.5.1
Dec 04 16:59:36.154 INFO [stderr]     Checking backtrace v0.3.3
Dec 04 16:59:36.743 INFO [stderr]     Checking itertools v0.7.2
Dec 04 16:59:37.523 INFO [stderr]     Checking error-chain v0.11.0
Dec 04 16:59:42.468 INFO [stderr]     Checking rustyline v1.0.0
Dec 04 16:59:43.563 INFO [stderr]     Checking rok v0.1.0 (/source)
Dec 04 16:59:45.055 INFO [stderr] warning: use of deprecated item 'std::env::home_dir': This function's behavior is unexpected and probably not what you want. Consider using the home_dir function from https://crates.io/crates/dirs instead.
Dec 04 16:59:45.055 INFO [stderr]   --> src/lib.rs:40:20
Dec 04 16:59:45.055 INFO [stderr]    |
Dec 04 16:59:45.055 INFO [stderr] 40 |         let path = env::home_dir().unwrap_or_else(|| path::PathBuf::from("."));
Dec 04 16:59:45.055 INFO [stderr]    |                    ^^^^^^^^^^^^^
Dec 04 16:59:45.055 INFO [stderr]    |
Dec 04 16:59:45.055 INFO [stderr]    = note: #[warn(deprecated)] on by default
Dec 04 16:59:45.055 INFO [stderr] 
Dec 04 16:59:45.211 INFO [stderr] warning: use of deprecated item 'std::env::home_dir': This function's behavior is unexpected and probably not what you want. Consider using the home_dir function from https://crates.io/crates/dirs instead.
Dec 04 16:59:45.211 INFO [stderr]   --> src/lib.rs:40:20
Dec 04 16:59:45.211 INFO [stderr]    |
Dec 04 16:59:45.211 INFO [stderr] 40 |         let path = env::home_dir().unwrap_or_else(|| path::PathBuf::from("."));
Dec 04 16:59:45.211 INFO [stderr]    |                    ^^^^^^^^^^^^^
Dec 04 16:59:45.211 INFO [stderr]    |
Dec 04 16:59:45.211 INFO [stderr]    = note: #[warn(deprecated)] on by default
Dec 04 16:59:45.211 INFO [stderr] 
Dec 04 16:59:45.515 INFO [stderr] warning: unused variable: `tokens`
Dec 04 16:59:45.515 INFO [stderr]   --> src/lib.rs:22:13
Dec 04 16:59:45.515 INFO [stderr]    |
Dec 04 16:59:45.515 INFO [stderr] 22 | pub fn eval(tokens: &[Token]) -> Result<()> {
Dec 04 16:59:45.515 INFO [stderr]    |             ^^^^^^ help: consider using `_tokens` instead
Dec 04 16:59:45.515 INFO [stderr]    |
Dec 04 16:59:45.515 INFO [stderr]    = note: #[warn(unused_variables)] on by default
Dec 04 16:59:45.515 INFO [stderr] 
Dec 04 16:59:45.538 INFO [stderr] warning: unused variable: `tokens`
Dec 04 16:59:45.538 INFO [stderr]   --> src/lib.rs:22:13
Dec 04 16:59:45.538 INFO [stderr]    |
Dec 04 16:59:45.538 INFO [stderr] 22 | pub fn eval(tokens: &[Token]) -> Result<()> {
Dec 04 16:59:45.538 INFO [stderr]    |             ^^^^^^ help: consider using `_tokens` instead
Dec 04 16:59:45.538 INFO [stderr]    |
Dec 04 16:59:45.538 INFO [stderr]    = note: #[warn(unused_variables)] on by default
Dec 04 16:59:45.538 INFO [stderr] 
Dec 04 16:59:47.699 INFO [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 11.69s
Dec 04 16:59:47.701 INFO [stderr] su: No module specific data is present
Dec 04 16:59:48.891 INFO running `"docker" "inspect" "fa67b3a424af099776f31b1fc9c10fbf8f344b598c453122c1269df02e4cccf9"`
Dec 04 16:59:49.272 INFO running `"docker" "rm" "-f" "fa67b3a424af099776f31b1fc9c10fbf8f344b598c453122c1269df02e4cccf9"`
Dec 04 16:59:49.495 INFO [stdout] fa67b3a424af099776f31b1fc9c10fbf8f344b598c453122c1269df02e4cccf9