Nov 01 21:28:02.894 INFO testing Ermain-12/Introduction-to-Rust against beta-2018-10-30 for beta-1.31-1
Nov 01 21:28:02.894 INFO running `"docker" "create" "-v" "/mnt/big/crater/work/local/target-dirs/beta-1.31-1/worker-5/beta-2018-10-30:/target:rw,Z" "-v" "/mnt/big/crater/work/local/test-source/worker-5/beta-1.31-1/beta-2018-10-30:/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 +beta-2018-10-30 build --frozen" "-e" "CARGO_TARGET_DIR=/target" "-e" "CARGO_INCREMENTAL=0" "-e" "RUST_BACKTRACE=full" "-e" "RUSTFLAGS=--cap-lints=warn" "-e" "CARGO_HOME=/cargo-home" "-e" "RUSTUP_HOME=/rustup-home" "-m" "1536M" "--network" "none" "crater"`
Nov 01 21:28:03.128 INFO blam! 63331ac7803148cc87dc6c298a14f0ebb0f0fb2a4f89c2983a075c84ae9b1719
Nov 01 21:28:03.133 INFO running `"docker" "start" "-a" "63331ac7803148cc87dc6c298a14f0ebb0f0fb2a4f89c2983a075c84ae9b1719"`
Nov 01 21:28:03.762 INFO kablam! usermod: no changes
Nov 01 21:28:03.823 INFO kablam!    Compiling hello_world v0.1.0 (/source)
Nov 01 21:28:04.823 INFO kablam! warning: variable does not need to be mutable
Nov 01 21:28:04.823 INFO kablam!   --> src/main.rs:27:8
Nov 01 21:28:04.823 INFO kablam!    |
Nov 01 21:28:04.823 INFO kablam! 27 |    let mut twenty_one = my_vec.pop();
Nov 01 21:28:04.823 INFO kablam!    |        ----^^^^^^^^^^
Nov 01 21:28:04.823 INFO kablam!    |        |
Nov 01 21:28:04.823 INFO kablam!    |        help: remove this `mut`
Nov 01 21:28:04.823 INFO kablam!    |
Nov 01 21:28:04.823 INFO kablam!    = note: #[warn(unused_mut)] on by default
Nov 01 21:28:04.823 INFO kablam! 
Nov 01 21:28:06.155 INFO kablam!     Finished dev [unoptimized + debuginfo] target(s) in 2.37s
Nov 01 21:28:06.159 INFO kablam! su: No module specific data is present
Nov 01 21:28:06.702 INFO running `"docker" "rm" "-f" "63331ac7803148cc87dc6c298a14f0ebb0f0fb2a4f89c2983a075c84ae9b1719"`
Nov 01 21:28:06.875 INFO blam! 63331ac7803148cc87dc6c298a14f0ebb0f0fb2a4f89c2983a075c84ae9b1719
Nov 01 21:28:06.883 INFO running `"docker" "create" "-v" "/mnt/big/crater/work/local/target-dirs/beta-1.31-1/worker-5/beta-2018-10-30:/target:rw,Z" "-v" "/mnt/big/crater/work/local/test-source/worker-5/beta-1.31-1/beta-2018-10-30:/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 +beta-2018-10-30 test --frozen --no-run" "-e" "CARGO_TARGET_DIR=/target" "-e" "CARGO_INCREMENTAL=0" "-e" "RUST_BACKTRACE=full" "-e" "RUSTFLAGS=--cap-lints=warn" "-e" "CARGO_HOME=/cargo-home" "-e" "RUSTUP_HOME=/rustup-home" "-m" "1536M" "--network" "none" "crater"`
Nov 01 21:28:07.429 INFO blam! 526b37b0fae58cee8a88bec2920386f64abfc1f6c9c30d004e7201d5f4954f34
Nov 01 21:28:07.436 INFO running `"docker" "start" "-a" "526b37b0fae58cee8a88bec2920386f64abfc1f6c9c30d004e7201d5f4954f34"`
Nov 01 21:28:08.117 INFO kablam! usermod: no changes
Nov 01 21:28:08.215 INFO kablam!    Compiling hello_world v0.1.0 (/source)
Nov 01 21:28:09.222 INFO kablam! warning: variable does not need to be mutable
Nov 01 21:28:09.222 INFO kablam!   --> src/main.rs:27:8
Nov 01 21:28:09.222 INFO kablam!    |
Nov 01 21:28:09.222 INFO kablam! 27 |    let mut twenty_one = my_vec.pop();
Nov 01 21:28:09.222 INFO kablam!    |        ----^^^^^^^^^^
Nov 01 21:28:09.222 INFO kablam!    |        |
Nov 01 21:28:09.222 INFO kablam!    |        help: remove this `mut`
Nov 01 21:28:09.222 INFO kablam!    |
Nov 01 21:28:09.222 INFO kablam!    = note: #[warn(unused_mut)] on by default
Nov 01 21:28:09.222 INFO kablam! 
Nov 01 21:28:09.589 INFO kablam!     Finished dev [unoptimized + debuginfo] target(s) in 1.44s
Nov 01 21:28:09.592 INFO kablam! su: No module specific data is present
Nov 01 21:28:09.912 INFO running `"docker" "rm" "-f" "526b37b0fae58cee8a88bec2920386f64abfc1f6c9c30d004e7201d5f4954f34"`
Nov 01 21:28:09.980 INFO blam! 526b37b0fae58cee8a88bec2920386f64abfc1f6c9c30d004e7201d5f4954f34
Nov 01 21:28:09.980 INFO running `"docker" "create" "-v" "/mnt/big/crater/work/local/target-dirs/beta-1.31-1/worker-5/beta-2018-10-30:/target:rw,Z" "-v" "/mnt/big/crater/work/local/test-source/worker-5/beta-1.31-1/beta-2018-10-30:/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 +beta-2018-10-30 test --frozen" "-e" "CARGO_TARGET_DIR=/target" "-e" "CARGO_INCREMENTAL=0" "-e" "RUST_BACKTRACE=full" "-e" "RUSTFLAGS=--cap-lints=warn" "-e" "CARGO_HOME=/cargo-home" "-e" "RUSTUP_HOME=/rustup-home" "-m" "1536M" "--network" "none" "crater"`
Nov 01 21:28:10.191 INFO blam! 9a42892a32f6ccf3cf91ee904aeff307960710baa0c3fc19da40cb2ad725ea6f
Nov 01 21:28:10.217 INFO running `"docker" "start" "-a" "9a42892a32f6ccf3cf91ee904aeff307960710baa0c3fc19da40cb2ad725ea6f"`
Nov 01 21:28:10.811 INFO kablam! usermod: no changes
Nov 01 21:28:10.855 INFO kablam!     Finished dev [unoptimized + debuginfo] target(s) in 0.02s
Nov 01 21:28:10.865 INFO kablam!      Running /target/debug/deps/hello_world-57f79b359a6d7883
Nov 01 21:28:10.867 INFO blam! 
Nov 01 21:28:10.867 INFO blam! running 0 tests
Nov 01 21:28:10.867 INFO blam! 
Nov 01 21:28:10.867 INFO blam! test result: ok. 0 passed; 0 failed; 0 ignored; 0 measured; 0 filtered out
Nov 01 21:28:10.867 INFO blam! 
Nov 01 21:28:10.870 INFO kablam! su: No module specific data is present
Nov 01 21:28:11.168 INFO running `"docker" "rm" "-f" "9a42892a32f6ccf3cf91ee904aeff307960710baa0c3fc19da40cb2ad725ea6f"`
Nov 01 21:28:11.279 INFO blam! 9a42892a32f6ccf3cf91ee904aeff307960710baa0c3fc19da40cb2ad725ea6f
