[INFO] updating cached repository cloudflavor/dweller
[INFO] running `"git" "fetch" "--all"`
[INFO] [stdout] Fetching origin
[INFO] [stderr] From git://github.com/cloudflavor/dweller
[INFO] [stderr]  * branch            HEAD       -> FETCH_HEAD
[INFO] running `"git" "clone" "work/cache/sources/gh/cloudflavor/dweller" "work/ex/pr-62849/sources/master#435236b8877cdb98c82eaebfb7887782277265c5/gh/cloudflavor/dweller"`
[INFO] [stderr] Cloning into 'work/ex/pr-62849/sources/master#435236b8877cdb98c82eaebfb7887782277265c5/gh/cloudflavor/dweller'...
[INFO] [stderr] done.
[INFO] running `"git" "clone" "work/cache/sources/gh/cloudflavor/dweller" "work/ex/pr-62849/sources/try#b5c7f157c20453dde8d47371abe73b32351b4e7f/gh/cloudflavor/dweller"`
[INFO] [stderr] Cloning into 'work/ex/pr-62849/sources/try#b5c7f157c20453dde8d47371abe73b32351b4e7f/gh/cloudflavor/dweller'...
[INFO] [stderr] done.
[INFO] running `"git" "rev-parse" "HEAD"`
[INFO] [stdout] fa8e7c81ba73b9d96975cd830d4609846290f359
[INFO] sha for GitHub repo cloudflavor/dweller: fa8e7c81ba73b9d96975cd830d4609846290f359
[INFO] validating manifest of cloudflavor/dweller on toolchain master#435236b8877cdb98c82eaebfb7887782277265c5
[INFO] running `"/mnt/big/crater/work/local/cargo-home/bin/cargo" "+435236b8877cdb98c82eaebfb7887782277265c5-alt" "read-manifest" "--manifest-path" "Cargo.toml"`
[INFO] validating manifest of cloudflavor/dweller on toolchain try#b5c7f157c20453dde8d47371abe73b32351b4e7f
[INFO] running `"/mnt/big/crater/work/local/cargo-home/bin/cargo" "+b5c7f157c20453dde8d47371abe73b32351b4e7f-alt" "read-manifest" "--manifest-path" "Cargo.toml"`
[INFO] started frobbing cloudflavor/dweller
[INFO] finished frobbing cloudflavor/dweller
[INFO] frobbed toml for cloudflavor/dweller written to work/ex/pr-62849/sources/master#435236b8877cdb98c82eaebfb7887782277265c5/gh/cloudflavor/dweller/Cargo.toml
[INFO] started frobbing cloudflavor/dweller
[INFO] finished frobbing cloudflavor/dweller
[INFO] frobbed toml for cloudflavor/dweller written to work/ex/pr-62849/sources/try#b5c7f157c20453dde8d47371abe73b32351b4e7f/gh/cloudflavor/dweller/Cargo.toml
[INFO] crate cloudflavor/dweller already has a lockfile, it will not be regenerated
[INFO] running `"/mnt/big/crater/work/local/cargo-home/bin/cargo" "+435236b8877cdb98c82eaebfb7887782277265c5-alt" "fetch" "--locked" "--manifest-path" "Cargo.toml"`
[INFO] running `"/mnt/big/crater/work/local/cargo-home/bin/cargo" "+b5c7f157c20453dde8d47371abe73b32351b4e7f-alt" "fetch" "--locked" "--manifest-path" "Cargo.toml"`
[INFO] checking cloudflavor/dweller against try#b5c7f157c20453dde8d47371abe73b32351b4e7f for pr-62849
[INFO] running `"docker" "create" "-v" "/mnt/big/crater/work/local/target-dirs/pr-62849/worker-3/try#b5c7f157c20453dde8d47371abe73b32351b4e7f:/opt/crater/target:rw,Z" "-v" "/mnt/big/crater/work/ex/pr-62849/sources/try#b5c7f157c20453dde8d47371abe73b32351b4e7f/gh/cloudflavor/dweller:/opt/crater/workdir:ro,Z" "-v" "/mnt/big/crater/work/local/cargo-home:/opt/crater/cargo-home:ro,Z" "-v" "/mnt/big/crater/work/local/rustup-home:/opt/crater/rustup-home:ro,Z" "-e" "USER_ID=1000" "-e" "SOURCE_DIR=/opt/crater/workdir" "-e" "MAP_USER_ID=1000" "-e" "CARGO_TARGET_DIR=/opt/crater/target" "-e" "CARGO_INCREMENTAL=0" "-e" "RUST_BACKTRACE=full" "-e" "RUSTFLAGS=--cap-lints=forbid" "-e" "CARGO_HOME=/opt/crater/cargo-home" "-e" "RUSTUP_HOME=/opt/crater/rustup-home" "-w" "/opt/crater/workdir" "-m" "1536M" "--network" "none" "rustops/crates-build-env" "/opt/crater/cargo-home/bin/cargo" "+b5c7f157c20453dde8d47371abe73b32351b4e7f-alt" "check" "--frozen" "--all" "--all-targets"`
[INFO] [stdout] 7de935a1e8daede0422d127c6346741c8be04410592732d8190fa9e02f5ed621
[INFO] running `"docker" "start" "-a" "7de935a1e8daede0422d127c6346741c8be04410592732d8190fa9e02f5ed621"`
[INFO] [stderr]    Compiling regex v1.0.3
[INFO] [stderr]     Checking rust-ini v0.13.0
[INFO] [stderr]     Checking memchr v2.0.1
[INFO] [stderr]     Checking time v0.1.40
[INFO] [stderr]     Checking atty v0.2.11
[INFO] [stderr]     Checking serde_test v0.8.23
[INFO] [stderr]     Checking regex-syntax v0.6.4
[INFO] [stderr]     Checking toml v0.4.6
[INFO] [stderr]     Checking serde_json v1.0.26
[INFO] [stderr]     Checking serde_yaml v0.8.9
[INFO] [stderr]     Checking thread_local v0.3.6
[INFO] [stderr]    Compiling syn v0.15.24
[INFO] [stderr]     Checking clap v2.33.0
[INFO] [stderr]     Checking aho-corasick v0.6.9
[INFO] [stderr]     Checking nom v4.0.0
[INFO] [stderr]     Checking chrono v0.4.5
[INFO] [stderr]     Checking linked-hash-map v0.3.0
[INFO] [stderr]     Checking slog-json v2.3.0
[INFO] [stderr]    Compiling serde_derive v1.0.91
[INFO] [stderr]     Checking serde-hjson v0.8.2
[INFO] [stderr]     Checking config v0.9.3
[INFO] [stderr]     Checking dweller v0.1.0-alpha (/opt/crater/workdir)
[INFO] [stderr] warning: unused variable: `config`
[INFO] [stderr]   --> src/core.rs:22:18
[INFO] [stderr]    |
[INFO] [stderr] 22 | pub fn bootstrap(config: Configuration) {}
[INFO] [stderr]    |                  ^^^^^^ help: consider prefixing with an underscore: `_config`
[INFO] [stderr]    |
[INFO] [stderr]    = note: `#[warn(unused_variables)]` on by default
[INFO] [stderr] 
[INFO] [stderr] warning: struct is never constructed: `Client`
[INFO] [stderr]  --> src/providers/libvirt/libvirt.rs:1:1
[INFO] [stderr]   |
[INFO] [stderr] 1 | pub struct Client {
[INFO] [stderr]   | ^^^^^^^^^^^^^^^^^
[INFO] [stderr]   |
[INFO] [stderr]   = note: `#[warn(dead_code)]` on by default
[INFO] [stderr] 
[INFO] [stderr] warning: unused variable: `config`
[INFO] [stderr]   --> src/core.rs:22:18
[INFO] [stderr]    |
[INFO] [stderr] 22 | pub fn bootstrap(config: Configuration) {}
[INFO] [stderr]    |                  ^^^^^^ help: consider prefixing with an underscore: `_config`
[INFO] [stderr]    |
[INFO] [stderr]    = note: `#[warn(unused_variables)]` on by default
[INFO] [stderr] 
[INFO] [stderr] warning: structure field `URI` should have a snake case name
[INFO] [stderr]  --> src/providers/libvirt/libvirt.rs:2:9
[INFO] [stderr]   |
[INFO] [stderr] 2 |     pub URI: String,
[INFO] [stderr]   |         ^^^ help: convert the identifier to snake case: `uri`
[INFO] [stderr]   |
[INFO] [stderr]   = note: `#[warn(non_snake_case)]` on by default
[INFO] [stderr] 
[INFO] [stderr] warning: struct is never constructed: `Client`
[INFO] [stderr]  --> src/providers/libvirt/libvirt.rs:1:1
[INFO] [stderr]   |
[INFO] [stderr] 1 | pub struct Client {
[INFO] [stderr]   | ^^^^^^^^^^^^^^^^^
[INFO] [stderr]   |
[INFO] [stderr]   = note: `#[warn(dead_code)]` on by default
[INFO] [stderr] 
[INFO] [stderr] warning: structure field `URI` should have a snake case name
[INFO] [stderr]  --> src/providers/libvirt/libvirt.rs:2:9
[INFO] [stderr]   |
[INFO] [stderr] 2 |     pub URI: String,
[INFO] [stderr]   |         ^^^ help: convert the identifier to snake case: `uri`
[INFO] [stderr]   |
[INFO] [stderr]   = note: `#[warn(non_snake_case)]` on by default
[INFO] [stderr] 
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 46.23s
[INFO] running `"docker" "inspect" "7de935a1e8daede0422d127c6346741c8be04410592732d8190fa9e02f5ed621"`
[INFO] running `"docker" "rm" "-f" "7de935a1e8daede0422d127c6346741c8be04410592732d8190fa9e02f5ed621"`
[INFO] [stdout] 7de935a1e8daede0422d127c6346741c8be04410592732d8190fa9e02f5ed621