Nov 30 01:27:23.281 INFO checking irazorx1/markov_chain against try#32252761328f59ccfadb1bafb8148c685bc830b3 for pr-56323
Nov 30 01:27:23.281 INFO running `"docker" "create" "-v" "/mnt/big/crater/work/local/target-dirs/pr-56323/worker-0/try#32252761328f59ccfadb1bafb8148c685bc830b3:/target:rw,Z" "-v" "/mnt/big/crater/work/local/test-source/worker-0/pr-56323/try#32252761328f59ccfadb1bafb8148c685bc830b3:/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 +32252761328f59ccfadb1bafb8148c685bc830b3-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 01:27:23.780 INFO [stdout] 074c2f9e370cfdd2ca2d92e3fd13728fa3783f93bc3044ac03727d5b90ce3f6a
Nov 30 01:27:23.786 INFO running `"docker" "start" "-a" "074c2f9e370cfdd2ca2d92e3fd13728fa3783f93bc3044ac03727d5b90ce3f6a"`
Nov 30 01:27:25.507 INFO [stderr] usermod: no changes
Nov 30 01:27:25.608 INFO [stderr]     Checking markov_chain v0.1.0 (/source)
Nov 30 01:27:25.976 INFO [stderr] warning: unused import: `std::io`
Nov 30 01:27:25.976 INFO [stderr]  --> src/main.rs:6:5
Nov 30 01:27:25.976 INFO [stderr]   |
Nov 30 01:27:25.976 INFO [stderr] 6 | use std::io;
Nov 30 01:27:25.976 INFO [stderr]   |     ^^^^^^^
Nov 30 01:27:25.976 INFO [stderr]   |
Nov 30 01:27:25.976 INFO [stderr]   = note: #[warn(unused_imports)] on by default
Nov 30 01:27:25.976 INFO [stderr] 
Nov 30 01:27:25.976 INFO [stderr] warning: unused import: `std::io::prelude::*`
Nov 30 01:27:25.976 INFO [stderr]  --> src/main.rs:7:5
Nov 30 01:27:25.976 INFO [stderr]   |
Nov 30 01:27:25.976 INFO [stderr] 7 | use std::io::prelude::*;
Nov 30 01:27:25.976 INFO [stderr]   |     ^^^^^^^^^^^^^^^^^^^
Nov 30 01:27:25.976 INFO [stderr] 
Nov 30 01:27:25.976 INFO [stderr] warning: unused import: `std::fs::File`
Nov 30 01:27:25.976 INFO [stderr]  --> src/main.rs:8:5
Nov 30 01:27:25.976 INFO [stderr]   |
Nov 30 01:27:25.976 INFO [stderr] 8 | use std::fs::File;
Nov 30 01:27:25.976 INFO [stderr]   |     ^^^^^^^^^^^^^
Nov 30 01:27:25.976 INFO [stderr] 
Nov 30 01:27:26.104 INFO [stderr] warning: unused import: `std::io`
Nov 30 01:27:26.104 INFO [stderr]  --> src/main.rs:6:5
Nov 30 01:27:26.104 INFO [stderr]   |
Nov 30 01:27:26.104 INFO [stderr] 6 | use std::io;
Nov 30 01:27:26.104 INFO [stderr]   |     ^^^^^^^
Nov 30 01:27:26.104 INFO [stderr]   |
Nov 30 01:27:26.104 INFO [stderr]   = note: #[warn(unused_imports)] on by default
Nov 30 01:27:26.104 INFO [stderr] 
Nov 30 01:27:26.104 INFO [stderr] warning: unused import: `std::io::prelude::*`
Nov 30 01:27:26.104 INFO [stderr]  --> src/main.rs:7:5
Nov 30 01:27:26.104 INFO [stderr]   |
Nov 30 01:27:26.104 INFO [stderr] 7 | use std::io::prelude::*;
Nov 30 01:27:26.104 INFO [stderr]   |     ^^^^^^^^^^^^^^^^^^^
Nov 30 01:27:26.104 INFO [stderr] 
Nov 30 01:27:26.104 INFO [stderr] warning: unused import: `std::fs::File`
Nov 30 01:27:26.104 INFO [stderr]  --> src/main.rs:8:5
Nov 30 01:27:26.104 INFO [stderr]   |
Nov 30 01:27:26.104 INFO [stderr] 8 | use std::fs::File;
Nov 30 01:27:26.104 INFO [stderr]   |     ^^^^^^^^^^^^^
Nov 30 01:27:26.104 INFO [stderr] 
Nov 30 01:27:26.128 INFO [stderr] warning: the feature `fs_read_write` has been stable since 1.26.0 and no longer requires an attribute to enable
Nov 30 01:27:26.128 INFO [stderr]  --> src/main.rs:1:12
Nov 30 01:27:26.128 INFO [stderr]   |
Nov 30 01:27:26.128 INFO [stderr] 1 | #![feature(fs_read_write)]
Nov 30 01:27:26.128 INFO [stderr]   |            ^^^^^^^^^^^^^
Nov 30 01:27:26.128 INFO [stderr]   |
Nov 30 01:27:26.128 INFO [stderr]   = note: #[warn(stable_features)] on by default
Nov 30 01:27:26.128 INFO [stderr] 
Nov 30 01:27:26.268 INFO [stderr] warning: the feature `fs_read_write` has been stable since 1.26.0 and no longer requires an attribute to enable
Nov 30 01:27:26.268 INFO [stderr]  --> src/main.rs:1:12
Nov 30 01:27:26.268 INFO [stderr]   |
Nov 30 01:27:26.268 INFO [stderr] 1 | #![feature(fs_read_write)]
Nov 30 01:27:26.268 INFO [stderr]   |            ^^^^^^^^^^^^^
Nov 30 01:27:26.268 INFO [stderr]   |
Nov 30 01:27:26.268 INFO [stderr]   = note: #[warn(stable_features)] on by default
Nov 30 01:27:26.268 INFO [stderr] 
Nov 30 01:27:26.328 INFO [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 0.76s
Nov 30 01:27:26.328 INFO [stderr] su: No module specific data is present
Nov 30 01:27:27.106 INFO running `"docker" "inspect" "074c2f9e370cfdd2ca2d92e3fd13728fa3783f93bc3044ac03727d5b90ce3f6a"`
Nov 30 01:27:27.314 INFO running `"docker" "rm" "-f" "074c2f9e370cfdd2ca2d92e3fd13728fa3783f93bc3044ac03727d5b90ce3f6a"`
Nov 30 01:27:27.597 INFO [stdout] 074c2f9e370cfdd2ca2d92e3fd13728fa3783f93bc3044ac03727d5b90ce3f6a