Dec 04 14:32:35.486 INFO checking masami256/virtrun against try#1df97983eb2057dc6a8f7eb364e263b51ae23230 for pr-56481
Dec 04 14:32:35.486 INFO running `"docker" "create" "-v" "/mnt/big/crater/work/local/target-dirs/pr-56481/worker-0/try#1df97983eb2057dc6a8f7eb364e263b51ae23230:/target:rw,Z" "-v" "/mnt/big/crater/work/local/test-source/worker-0/pr-56481/try#1df97983eb2057dc6a8f7eb364e263b51ae23230:/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 +1df97983eb2057dc6a8f7eb364e263b51ae23230-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 14:32:35.952 INFO [stdout] aca42be2352a91f8212a64a569e840b068eb3f6ea5ac580ea51adb7364b601e3
Dec 04 14:32:35.954 INFO running `"docker" "start" "-a" "aca42be2352a91f8212a64a569e840b068eb3f6ea5ac580ea51adb7364b601e3"`
Dec 04 14:32:37.943 INFO [stderr] usermod: no changes
Dec 04 14:32:38.091 INFO [stderr]     Checking ioctl-rs v0.1.6
Dec 04 14:32:38.091 INFO [stderr]     Checking serial-core v0.4.0
Dec 04 14:32:38.091 INFO [stderr]     Checking nix v0.10.0
Dec 04 14:32:38.091 INFO [stderr]     Checking ssh2 v0.3.3
Dec 04 14:32:39.600 INFO [stderr]     Checking serial-unix v0.4.0
Dec 04 14:32:40.500 INFO [stderr]     Checking serial v0.4.0
Dec 04 14:32:46.007 INFO [stderr]     Checking os_pipe v0.6.1
Dec 04 14:32:46.609 INFO [stderr]     Checking virtrun v0.1.0 (/source)
Dec 04 14:32:47.707 INFO [stderr] warning: unused import: `std::io::prelude`
Dec 04 14:32:47.707 INFO [stderr]   --> src/main.rs:12:5
Dec 04 14:32:47.708 INFO [stderr]    |
Dec 04 14:32:47.708 INFO [stderr] 12 | use std::io::prelude::*;
Dec 04 14:32:47.709 INFO [stderr]    |     ^^^^^^^^^^^^^^^^
Dec 04 14:32:47.709 INFO [stderr]    |
Dec 04 14:32:47.709 INFO [stderr]    = note: #[warn(unused_imports)] on by default
Dec 04 14:32:47.710 INFO [stderr] 
Dec 04 14:32:47.713 INFO [stderr] warning: unused variable: `i`
Dec 04 14:32:47.713 INFO [stderr]    --> src/main.rs:108:49
Dec 04 14:32:47.713 INFO [stderr]     |
Dec 04 14:32:47.714 INFO [stderr] 108 |                         yaml::Yaml::Integer(ref i) => {
Dec 04 14:32:47.714 INFO [stderr]     |                                                 ^ help: consider using `_i` instead
Dec 04 14:32:47.714 INFO [stderr]     |
Dec 04 14:32:47.714 INFO [stderr]     = note: #[warn(unused_variables)] on by default
Dec 04 14:32:47.715 INFO [stderr] 
Dec 04 14:32:47.715 INFO [stderr] warning: unused variable: `tmpfiles`
Dec 04 14:32:47.716 INFO [stderr]    --> src/main.rs:133:20
Dec 04 14:32:47.716 INFO [stderr]     |
Dec 04 14:32:47.716 INFO [stderr] 133 |     let (commands, tmpfiles) = create_cmdline_parameters(&data);
Dec 04 14:32:47.717 INFO [stderr]     |                    ^^^^^^^^ help: consider using `_tmpfiles` instead
Dec 04 14:32:47.717 INFO [stderr] 
Dec 04 14:32:47.763 INFO [stderr] warning: unused import: `std::io::prelude`
Dec 04 14:32:47.763 INFO [stderr]   --> src/main.rs:12:5
Dec 04 14:32:47.764 INFO [stderr]    |
Dec 04 14:32:47.764 INFO [stderr] 12 | use std::io::prelude::*;
Dec 04 14:32:47.764 INFO [stderr]    |     ^^^^^^^^^^^^^^^^
Dec 04 14:32:47.765 INFO [stderr]    |
Dec 04 14:32:47.765 INFO [stderr]    = note: #[warn(unused_imports)] on by default
Dec 04 14:32:47.765 INFO [stderr] 
Dec 04 14:32:47.766 INFO [stderr] warning: unused variable: `i`
Dec 04 14:32:47.766 INFO [stderr]    --> src/main.rs:108:49
Dec 04 14:32:47.766 INFO [stderr]     |
Dec 04 14:32:47.767 INFO [stderr] 108 |                         yaml::Yaml::Integer(ref i) => {
Dec 04 14:32:47.767 INFO [stderr]     |                                                 ^ help: consider using `_i` instead
Dec 04 14:32:47.767 INFO [stderr]     |
Dec 04 14:32:47.767 INFO [stderr]     = note: #[warn(unused_variables)] on by default
Dec 04 14:32:47.768 INFO [stderr] 
Dec 04 14:32:47.768 INFO [stderr] warning: unused variable: `tmpfiles`
Dec 04 14:32:47.768 INFO [stderr]    --> src/main.rs:133:20
Dec 04 14:32:47.769 INFO [stderr]     |
Dec 04 14:32:47.769 INFO [stderr] 133 |     let (commands, tmpfiles) = create_cmdline_parameters(&data);
Dec 04 14:32:47.769 INFO [stderr]     |                    ^^^^^^^^ help: consider using `_tmpfiles` instead
Dec 04 14:32:47.769 INFO [stderr] 
Dec 04 14:32:47.774 INFO [stderr] warning: variable does not need to be mutable
Dec 04 14:32:47.774 INFO [stderr]    --> src/main.rs:179:9
Dec 04 14:32:47.774 INFO [stderr]     |
Dec 04 14:32:47.774 INFO [stderr] 179 |     let mut qemu_args = create_qemu_args(data);
Dec 04 14:32:47.775 INFO [stderr]     |         ----^^^^^^^^^
Dec 04 14:32:47.775 INFO [stderr]     |         |
Dec 04 14:32:47.775 INFO [stderr]     |         help: remove this `mut`
Dec 04 14:32:47.776 INFO [stderr]     |
Dec 04 14:32:47.776 INFO [stderr]     = note: #[warn(unused_mut)] on by default
Dec 04 14:32:47.776 INFO [stderr] 
Dec 04 14:32:47.811 INFO [stderr] warning: variable does not need to be mutable
Dec 04 14:32:47.811 INFO [stderr]    --> src/main.rs:179:9
Dec 04 14:32:47.812 INFO [stderr]     |
Dec 04 14:32:47.812 INFO [stderr] 179 |     let mut qemu_args = create_qemu_args(data);
Dec 04 14:32:47.812 INFO [stderr]     |         ----^^^^^^^^^
Dec 04 14:32:47.812 INFO [stderr]     |         |
Dec 04 14:32:47.813 INFO [stderr]     |         help: remove this `mut`
Dec 04 14:32:47.813 INFO [stderr]     |
Dec 04 14:32:47.813 INFO [stderr]     = note: #[warn(unused_mut)] on by default
Dec 04 14:32:47.813 INFO [stderr] 
Dec 04 14:32:47.915 INFO [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 9.94s
Dec 04 14:32:47.923 INFO [stderr] su: No module specific data is present
Dec 04 14:32:49.293 INFO running `"docker" "inspect" "aca42be2352a91f8212a64a569e840b068eb3f6ea5ac580ea51adb7364b601e3"`
Dec 04 14:32:49.549 INFO running `"docker" "rm" "-f" "aca42be2352a91f8212a64a569e840b068eb3f6ea5ac580ea51adb7364b601e3"`
Dec 04 14:32:49.851 INFO [stdout] aca42be2352a91f8212a64a569e840b068eb3f6ea5ac580ea51adb7364b601e3