Nov 01 03:41:44.651 INFO checking irazorx1/markov_chain against try#d7816399d50d407bbce1efe9dbadf8faaaf568fc for pr-55538
Nov 01 03:41:44.653 INFO running `"docker" "create" "-v" "/mnt/big/crater/work/local/target-dirs/pr-55538/worker-5/try#d7816399d50d407bbce1efe9dbadf8faaaf568fc:/target:rw,Z" "-v" "/mnt/big/crater/work/local/test-source/worker-5/pr-55538/try#d7816399d50d407bbce1efe9dbadf8faaaf568fc:/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 +d7816399d50d407bbce1efe9dbadf8faaaf568fc-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 01 03:41:44.912 INFO blam! 9344531749ef36f16f664ec3df586b044e6ee8264c76fbdd5bef6827e774a26f
Nov 01 03:41:44.924 INFO running `"docker" "start" "-a" "9344531749ef36f16f664ec3df586b044e6ee8264c76fbdd5bef6827e774a26f"`
Nov 01 03:41:45.902 INFO kablam! usermod: no changes
Nov 01 03:41:45.948 INFO kablam!     Checking markov_chain v0.1.0 (/source)
Nov 01 03:41:46.392 INFO kablam! warning: unused import: `std::io`
Nov 01 03:41:46.392 INFO kablam!  --> src/main.rs:6:5
Nov 01 03:41:46.392 INFO kablam!   |
Nov 01 03:41:46.392 INFO kablam! 6 | use std::io;
Nov 01 03:41:46.392 INFO kablam!   |     ^^^^^^^
Nov 01 03:41:46.392 INFO kablam!   |
Nov 01 03:41:46.392 INFO kablam!   = note: #[warn(unused_imports)] on by default
Nov 01 03:41:46.392 INFO kablam! 
Nov 01 03:41:46.392 INFO kablam! warning: unused import: `std::io::prelude::*`
Nov 01 03:41:46.392 INFO kablam!  --> src/main.rs:7:5
Nov 01 03:41:46.392 INFO kablam!   |
Nov 01 03:41:46.392 INFO kablam! 7 | use std::io::prelude::*;
Nov 01 03:41:46.392 INFO kablam!   |     ^^^^^^^^^^^^^^^^^^^
Nov 01 03:41:46.392 INFO kablam! 
Nov 01 03:41:46.392 INFO kablam! warning: unused import: `std::fs::File`
Nov 01 03:41:46.392 INFO kablam!  --> src/main.rs:8:5
Nov 01 03:41:46.392 INFO kablam!   |
Nov 01 03:41:46.392 INFO kablam! 8 | use std::fs::File;
Nov 01 03:41:46.392 INFO kablam!   |     ^^^^^^^^^^^^^
Nov 01 03:41:46.392 INFO kablam! 
Nov 01 03:41:46.497 INFO kablam! warning: unused import: `std::io`
Nov 01 03:41:46.497 INFO kablam!  --> src/main.rs:6:5
Nov 01 03:41:46.497 INFO kablam!   |
Nov 01 03:41:46.497 INFO kablam! 6 | use std::io;
Nov 01 03:41:46.497 INFO kablam!   |     ^^^^^^^
Nov 01 03:41:46.497 INFO kablam!   |
Nov 01 03:41:46.497 INFO kablam!   = note: #[warn(unused_imports)] on by default
Nov 01 03:41:46.497 INFO kablam! 
Nov 01 03:41:46.497 INFO kablam! warning: unused import: `std::io::prelude::*`
Nov 01 03:41:46.497 INFO kablam!  --> src/main.rs:7:5
Nov 01 03:41:46.497 INFO kablam!   |
Nov 01 03:41:46.497 INFO kablam! 7 | use std::io::prelude::*;
Nov 01 03:41:46.497 INFO kablam!   |     ^^^^^^^^^^^^^^^^^^^
Nov 01 03:41:46.497 INFO kablam! 
Nov 01 03:41:46.497 INFO kablam! warning: unused import: `std::fs::File`
Nov 01 03:41:46.497 INFO kablam!  --> src/main.rs:8:5
Nov 01 03:41:46.497 INFO kablam!   |
Nov 01 03:41:46.497 INFO kablam! 8 | use std::fs::File;
Nov 01 03:41:46.497 INFO kablam!   |     ^^^^^^^^^^^^^
Nov 01 03:41:46.497 INFO kablam! 
Nov 01 03:41:46.564 INFO kablam! warning: the feature `fs_read_write` has been stable since 1.26.0 and no longer requires an attribute to enable
Nov 01 03:41:46.564 INFO kablam!  --> src/main.rs:1:12
Nov 01 03:41:46.564 INFO kablam!   |
Nov 01 03:41:46.564 INFO kablam! 1 | #![feature(fs_read_write)]
Nov 01 03:41:46.564 INFO kablam!   |            ^^^^^^^^^^^^^
Nov 01 03:41:46.564 INFO kablam!   |
Nov 01 03:41:46.564 INFO kablam!   = note: #[warn(stable_features)] on by default
Nov 01 03:41:46.564 INFO kablam! 
Nov 01 03:41:46.596 INFO kablam! warning: the feature `fs_read_write` has been stable since 1.26.0 and no longer requires an attribute to enable
Nov 01 03:41:46.596 INFO kablam!  --> src/main.rs:1:12
Nov 01 03:41:46.596 INFO kablam!   |
Nov 01 03:41:46.596 INFO kablam! 1 | #![feature(fs_read_write)]
Nov 01 03:41:46.596 INFO kablam!   |            ^^^^^^^^^^^^^
Nov 01 03:41:46.599 INFO kablam!   |
Nov 01 03:41:46.599 INFO kablam!   = note: #[warn(stable_features)] on by default
Nov 01 03:41:46.599 INFO kablam! 
Nov 01 03:41:46.648 INFO kablam!     Finished dev [unoptimized + debuginfo] target(s) in 0.71s
Nov 01 03:41:46.652 INFO kablam! su: No module specific data is present
Nov 01 03:41:47.141 INFO running `"docker" "rm" "-f" "9344531749ef36f16f664ec3df586b044e6ee8264c76fbdd5bef6827e774a26f"`
Nov 01 03:41:47.480 INFO blam! 9344531749ef36f16f664ec3df586b044e6ee8264c76fbdd5bef6827e774a26f