Oct 12 17:48:23.529 INFO checking masami256/virtrun against try#4021bd0b3c5815b087d6db10ce461e7e4854ade7 for pr-54977
Oct 12 17:48:23.530 INFO running `"docker" "create" "-v" "/mnt/big/crater/./work/local/target-dirs/pr-54977/worker-3/try#4021bd0b3c5815b087d6db10ce461e7e4854ade7:/target:rw,Z" "-v" "/mnt/big/crater/./work/local/test-source/worker-3/pr-54977/try#4021bd0b3c5815b087d6db10ce461e7e4854ade7:/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 +4021bd0b3c5815b087d6db10ce461e7e4854ade7-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"`
Oct 12 17:48:24.040 INFO blam! f156c3d53c1b23980344e0429ef3c247a86d6576633b1881debc39bf84fc4102
Oct 12 17:48:24.042 INFO running `"docker" "start" "-a" "f156c3d53c1b23980344e0429ef3c247a86d6576633b1881debc39bf84fc4102"`
Oct 12 17:48:25.884 INFO kablam! usermod: no changes
Oct 12 17:48:26.016 INFO kablam!     Checking serial-core v0.4.0
Oct 12 17:48:26.037 INFO kablam!     Checking os_pipe v0.6.1
Oct 12 17:48:26.037 INFO kablam!     Checking ssh2 v0.3.3
Oct 12 17:48:27.166 INFO kablam!     Checking serial-unix v0.4.0
Oct 12 17:48:28.276 INFO kablam!     Checking serial v0.4.0
Oct 12 17:48:28.804 INFO kablam!     Checking virtrun v0.1.0 (/source)
Oct 12 17:48:29.885 INFO kablam! warning: unused import: `std::io::prelude`
Oct 12 17:48:29.885 INFO kablam!   --> src/main.rs:12:5
Oct 12 17:48:29.885 INFO kablam!    |
Oct 12 17:48:29.886 INFO kablam! 12 | use std::io::prelude::*;
Oct 12 17:48:29.886 INFO kablam!    |     ^^^^^^^^^^^^^^^^
Oct 12 17:48:29.886 INFO kablam!    |
Oct 12 17:48:29.886 INFO kablam!    = note: #[warn(unused_imports)] on by default
Oct 12 17:48:29.887 INFO kablam! 
Oct 12 17:48:29.896 INFO kablam! warning: unused variable: `i`
Oct 12 17:48:29.897 INFO kablam!    --> src/main.rs:108:49
Oct 12 17:48:29.897 INFO kablam!     |
Oct 12 17:48:29.897 INFO kablam! 108 |                         yaml::Yaml::Integer(ref i) => {
Oct 12 17:48:29.897 INFO kablam!     |                                                 ^ help: consider using `_i` instead
Oct 12 17:48:29.897 INFO kablam!     |
Oct 12 17:48:29.897 INFO kablam!     = note: #[warn(unused_variables)] on by default
Oct 12 17:48:29.897 INFO kablam! 
Oct 12 17:48:29.904 INFO kablam! warning: unused variable: `tmpfiles`
Oct 12 17:48:29.904 INFO kablam!    --> src/main.rs:133:20
Oct 12 17:48:29.904 INFO kablam!     |
Oct 12 17:48:29.904 INFO kablam! 133 |     let (commands, tmpfiles) = create_cmdline_parameters(&data);
Oct 12 17:48:29.904 INFO kablam!     |                    ^^^^^^^^ help: consider using `_tmpfiles` instead
Oct 12 17:48:29.904 INFO kablam! 
Oct 12 17:48:29.904 INFO kablam! warning: unused import: `std::io::prelude`
Oct 12 17:48:29.904 INFO kablam!   --> src/main.rs:12:5
Oct 12 17:48:29.904 INFO kablam!    |
Oct 12 17:48:29.904 INFO kablam! 12 | use std::io::prelude::*;
Oct 12 17:48:29.904 INFO kablam!    |     ^^^^^^^^^^^^^^^^
Oct 12 17:48:29.904 INFO kablam!    |
Oct 12 17:48:29.904 INFO kablam!    = note: #[warn(unused_imports)] on by default
Oct 12 17:48:29.904 INFO kablam! 
Oct 12 17:48:29.932 INFO kablam! warning: variable does not need to be mutable
Oct 12 17:48:29.940 INFO kablam!    --> src/main.rs:179:9
Oct 12 17:48:29.940 INFO kablam!     |
Oct 12 17:48:29.940 INFO kablam! 179 |     let mut qemu_args = create_qemu_args(data);
Oct 12 17:48:29.940 INFO kablam!     |         ----^^^^^^^^^
Oct 12 17:48:29.940 INFO kablam!     |         |
Oct 12 17:48:29.940 INFO kablam!     |         help: remove this `mut`
Oct 12 17:48:29.940 INFO kablam!     |
Oct 12 17:48:29.940 INFO kablam!     = note: #[warn(unused_mut)] on by default
Oct 12 17:48:29.940 INFO kablam! 
Oct 12 17:48:29.940 INFO kablam! warning: unused variable: `i`
Oct 12 17:48:29.940 INFO kablam!    --> src/main.rs:108:49
Oct 12 17:48:29.940 INFO kablam!     |
Oct 12 17:48:29.940 INFO kablam! 108 |                         yaml::Yaml::Integer(ref i) => {
Oct 12 17:48:29.940 INFO kablam!     |                                                 ^ help: consider using `_i` instead
Oct 12 17:48:29.940 INFO kablam!     |
Oct 12 17:48:29.940 INFO kablam!     = note: #[warn(unused_variables)] on by default
Oct 12 17:48:29.940 INFO kablam! 
Oct 12 17:48:29.940 INFO kablam! warning: unused variable: `tmpfiles`
Oct 12 17:48:29.940 INFO kablam!    --> src/main.rs:133:20
Oct 12 17:48:29.941 INFO kablam!     |
Oct 12 17:48:29.941 INFO kablam! 133 |     let (commands, tmpfiles) = create_cmdline_parameters(&data);
Oct 12 17:48:29.941 INFO kablam!     |                    ^^^^^^^^ help: consider using `_tmpfiles` instead
Oct 12 17:48:29.941 INFO kablam! 
Oct 12 17:48:30.004 INFO kablam! warning: variable does not need to be mutable
Oct 12 17:48:30.004 INFO kablam!    --> src/main.rs:179:9
Oct 12 17:48:30.005 INFO kablam!     |
Oct 12 17:48:30.005 INFO kablam! 179 |     let mut qemu_args = create_qemu_args(data);
Oct 12 17:48:30.005 INFO kablam!     |         ----^^^^^^^^^
Oct 12 17:48:30.005 INFO kablam!     |         |
Oct 12 17:48:30.006 INFO kablam!     |         help: remove this `mut`
Oct 12 17:48:30.006 INFO kablam!     |
Oct 12 17:48:30.006 INFO kablam!     = note: #[warn(unused_mut)] on by default
Oct 12 17:48:30.006 INFO kablam! 
Oct 12 17:48:30.077 INFO kablam!     Finished dev [unoptimized + debuginfo] target(s) in 4.17s
Oct 12 17:48:30.090 INFO kablam! su: No module specific data is present
Oct 12 17:48:31.094 INFO running `"docker" "rm" "-f" "f156c3d53c1b23980344e0429ef3c247a86d6576633b1881debc39bf84fc4102"`
Oct 12 17:48:31.397 INFO blam! f156c3d53c1b23980344e0429ef3c247a86d6576633b1881debc39bf84fc4102