[INFO] crate nvoclock 0.0.3 is already in cache
[INFO] extracting crate nvoclock 0.0.3 into work/ex/pr-61100/sources/master#8869ee03d7f258e1b76a11c6fbb01b5708a9f504/reg/nvoclock/0.0.3
[INFO] extracting crate nvoclock 0.0.3 into work/ex/pr-61100/sources/try#58b21121d0b447ceb3f1a655155d802191acf044/reg/nvoclock/0.0.3
[INFO] validating manifest of nvoclock-0.0.3 on toolchain master#8869ee03d7f258e1b76a11c6fbb01b5708a9f504
[INFO] running `"/mnt/crater-raid/crater/work/local/cargo-home/bin/cargo" "+8869ee03d7f258e1b76a11c6fbb01b5708a9f504-alt" "read-manifest" "--manifest-path" "Cargo.toml"`
[INFO] validating manifest of nvoclock-0.0.3 on toolchain try#58b21121d0b447ceb3f1a655155d802191acf044
[INFO] running `"/mnt/crater-raid/crater/work/local/cargo-home/bin/cargo" "+58b21121d0b447ceb3f1a655155d802191acf044-alt" "read-manifest" "--manifest-path" "Cargo.toml"`
[INFO] started frobbing nvoclock-0.0.3
[INFO] finished frobbing nvoclock-0.0.3
[INFO] frobbed toml for nvoclock-0.0.3 written to work/ex/pr-61100/sources/master#8869ee03d7f258e1b76a11c6fbb01b5708a9f504/reg/nvoclock/0.0.3/Cargo.toml
[INFO] started frobbing nvoclock-0.0.3
[INFO] finished frobbing nvoclock-0.0.3
[INFO] frobbed toml for nvoclock-0.0.3 written to work/ex/pr-61100/sources/try#58b21121d0b447ceb3f1a655155d802191acf044/reg/nvoclock/0.0.3/Cargo.toml
[INFO] running `"/mnt/crater-raid/crater/work/local/cargo-home/bin/cargo" "+8869ee03d7f258e1b76a11c6fbb01b5708a9f504-alt" "generate-lockfile" "--manifest-path" "Cargo.toml" "-Zno-index-update"`
[INFO] running `"/mnt/crater-raid/crater/work/local/cargo-home/bin/cargo" "+58b21121d0b447ceb3f1a655155d802191acf044-alt" "generate-lockfile" "--manifest-path" "Cargo.toml" "-Zno-index-update"`
[INFO] running `"/mnt/crater-raid/crater/work/local/cargo-home/bin/cargo" "+8869ee03d7f258e1b76a11c6fbb01b5708a9f504-alt" "fetch" "--locked" "--manifest-path" "Cargo.toml"`
[INFO] running `"/mnt/crater-raid/crater/work/local/cargo-home/bin/cargo" "+58b21121d0b447ceb3f1a655155d802191acf044-alt" "fetch" "--locked" "--manifest-path" "Cargo.toml"`
[INFO] checking nvoclock-0.0.3 against master#8869ee03d7f258e1b76a11c6fbb01b5708a9f504 for pr-61100
[INFO] running `"docker" "create" "-v" "/mnt/crater-raid/crater/work/local/target-dirs/pr-61100/worker-3/master#8869ee03d7f258e1b76a11c6fbb01b5708a9f504:/opt/crater/target:rw,Z" "-v" "/mnt/crater-raid/crater/work/ex/pr-61100/sources/master#8869ee03d7f258e1b76a11c6fbb01b5708a9f504/reg/nvoclock/0.0.3:/opt/crater/workdir:ro,Z" "-v" "/mnt/crater-raid/crater/work/local/cargo-home:/opt/crater/cargo-home:ro,Z" "-v" "/mnt/crater-raid/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" "+8869ee03d7f258e1b76a11c6fbb01b5708a9f504-alt" "check" "--frozen" "--all" "--all-targets"`
[INFO] [stdout] 8ff20d3fb07839d21d01d267ae35029f04077ff70aa80a92f920c793c06a764f
[INFO] running `"docker" "start" "-a" "8ff20d3fb07839d21d01d267ae35029f04077ff70aa80a92f920c793c06a764f"`
[INFO] [stderr] warning: `panic` setting is ignored for `test` profile
[INFO] [stderr] warning: `panic` setting is ignored for `bench` profile
[INFO] [stderr]     Checking cfg-if v0.1.9
[INFO] [stderr]     Checking ucd-util v0.1.3
[INFO] [stderr]     Checking lazy_static v1.3.0
[INFO] [stderr]     Checking unicode-width v0.1.5
[INFO] [stderr]     Checking void v1.0.2
[INFO] [stderr]     Checking utf8-ranges v1.0.2
[INFO] [stderr]     Checking itoa v0.4.4
[INFO] [stderr]     Checking lazy_static v0.2.11
[INFO] [stderr]     Checking term v0.4.6
[INFO] [stderr]     Checking encode_unicode v0.3.5
[INFO] [stderr]     Checking result v0.0.1
[INFO] [stderr]     Checking quick-error v1.2.2
[INFO] [stderr]     Checking libc v0.2.55
[INFO] [stderr]     Checking serde v1.0.91
[INFO] [stderr]     Checking ryu v0.2.8
[INFO] [stderr]     Checking log v0.4.6
[INFO] [stderr]     Checking prettytable-rs v0.6.7
[INFO] [stderr]     Checking textwrap v0.11.0
[INFO] [stderr]     Checking thread_local v0.3.6
[INFO] [stderr]     Checking nvapi-sys v0.0.3
[INFO] [stderr]     Checking env_logger v0.4.3
[INFO] [stderr]     Checking regex-syntax v0.5.6
[INFO] [stderr]     Checking clap v2.33.0
[INFO] [stderr]     Checking log v0.3.9
[INFO] [stderr]     Checking memchr v2.2.0
[INFO] [stderr]     Checking atty v0.2.11
[INFO] [stderr]     Checking aho-corasick v0.6.10
[INFO] [stderr]     Checking csv-core v0.1.5
[INFO] [stderr]     Checking nvapi v0.0.3
[INFO] [stderr]     Checking regex v0.2.11
[INFO] [stderr]     Checking nvapi-hi v0.0.3
[INFO] [stderr]     Checking serde_json v1.0.39
[INFO] [stderr]     Checking csv v1.0.7
[INFO] [stderr]     Checking nvoclock v0.0.3 (/opt/crater/workdir)
[INFO] [stderr] warning: unused variable: `matches`
[INFO] [stderr]    --> src/main.rs:396:23
[INFO] [stderr]     |
[INFO] [stderr] 396 |         ("info", Some(matches)) => {
[INFO] [stderr]     |                       ^^^^^^^ help: consider prefixing with an underscore: `_matches`
[INFO] [stderr]     |
[INFO] [stderr]     = note: #[warn(unused_variables)] on by default
[INFO] [stderr] 
[INFO] [stderr] warning: unused variable: `matches`
[INFO] [stderr]    --> src/main.rs:801:35
[INFO] [stderr]     |
[INFO] [stderr] 801 |                 ("overvolt", Some(matches)) => {
[INFO] [stderr]     |                                   ^^^^^^^ help: consider prefixing with an underscore: `_matches`
[INFO] [stderr] 
[INFO] [stderr] warning: unused variable: `test`
[INFO] [stderr]    --> src/auto.rs:122:25
[INFO] [stderr]     |
[INFO] [stderr] 122 |         if let Some(ref test) = self.options.test {
[INFO] [stderr]     |                         ^^^^ help: consider prefixing with an underscore: `_test`
[INFO] [stderr] 
[INFO] [stderr] warning: unused variable: `voltage`
[INFO] [stderr]    --> src/auto.rs:121:42
[INFO] [stderr]     |
[INFO] [stderr] 121 |     pub fn run_test_operation(&mut self, voltage: Microvolts, frequency: Kilohertz) -> Result<bool, Error> {
[INFO] [stderr]     |                                          ^^^^^^^ help: consider prefixing with an underscore: `_voltage`
[INFO] [stderr] 
[INFO] [stderr] warning: unused variable: `frequency`
[INFO] [stderr]    --> src/auto.rs:121:63
[INFO] [stderr]     |
[INFO] [stderr] 121 |     pub fn run_test_operation(&mut self, voltage: Microvolts, frequency: Kilohertz) -> Result<bool, Error> {
[INFO] [stderr]     |                                                               ^^^^^^^^^ help: consider prefixing with an underscore: `_frequency`
[INFO] [stderr] 
[INFO] [stderr] warning: variable does not need to be mutable
[INFO] [stderr]    --> src/main.rs:333:9
[INFO] [stderr]     |
[INFO] [stderr] 333 |     let mut exit_code = 0;
[INFO] [stderr]     |         ----^^^^^^^^^
[INFO] [stderr]     |         |
[INFO] [stderr]     |         help: remove this `mut`
[INFO] [stderr]     |
[INFO] [stderr]     = note: #[warn(unused_mut)] on by default
[INFO] [stderr] 
[INFO] [stderr] warning: unused variable: `matches`
[INFO] [stderr]    --> src/main.rs:396:23
[INFO] [stderr]     |
[INFO] [stderr] 396 |         ("info", Some(matches)) => {
[INFO] [stderr]     |                       ^^^^^^^ help: consider prefixing with an underscore: `_matches`
[INFO] [stderr]     |
[INFO] [stderr]     = note: #[warn(unused_variables)] on by default
[INFO] [stderr] 
[INFO] [stderr] warning: unused variable: `matches`
[INFO] [stderr]    --> src/main.rs:801:35
[INFO] [stderr]     |
[INFO] [stderr] 801 |                 ("overvolt", Some(matches)) => {
[INFO] [stderr]     |                                   ^^^^^^^ help: consider prefixing with an underscore: `_matches`
[INFO] [stderr] 
[INFO] [stderr] warning: unused variable: `test`
[INFO] [stderr]    --> src/auto.rs:122:25
[INFO] [stderr]     |
[INFO] [stderr] 122 |         if let Some(ref test) = self.options.test {
[INFO] [stderr]     |                         ^^^^ help: consider prefixing with an underscore: `_test`
[INFO] [stderr] 
[INFO] [stderr] warning: unused variable: `voltage`
[INFO] [stderr]    --> src/auto.rs:121:42
[INFO] [stderr]     |
[INFO] [stderr] 121 |     pub fn run_test_operation(&mut self, voltage: Microvolts, frequency: Kilohertz) -> Result<bool, Error> {
[INFO] [stderr]     |                                          ^^^^^^^ help: consider prefixing with an underscore: `_voltage`
[INFO] [stderr] 
[INFO] [stderr] warning: unused variable: `frequency`
[INFO] [stderr]    --> src/auto.rs:121:63
[INFO] [stderr]     |
[INFO] [stderr] 121 |     pub fn run_test_operation(&mut self, voltage: Microvolts, frequency: Kilohertz) -> Result<bool, Error> {
[INFO] [stderr]     |                                                               ^^^^^^^^^ help: consider prefixing with an underscore: `_frequency`
[INFO] [stderr] 
[INFO] [stderr] warning: variable does not need to be mutable
[INFO] [stderr]    --> src/main.rs:333:9
[INFO] [stderr]     |
[INFO] [stderr] 333 |     let mut exit_code = 0;
[INFO] [stderr]     |         ----^^^^^^^^^
[INFO] [stderr]     |         |
[INFO] [stderr]     |         help: remove this `mut`
[INFO] [stderr]     |
[INFO] [stderr]     = note: #[warn(unused_mut)] on by default
[INFO] [stderr] 
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 31.97s
[INFO] running `"docker" "inspect" "8ff20d3fb07839d21d01d267ae35029f04077ff70aa80a92f920c793c06a764f"`
[INFO] running `"docker" "rm" "-f" "8ff20d3fb07839d21d01d267ae35029f04077ff70aa80a92f920c793c06a764f"`
[INFO] [stdout] 8ff20d3fb07839d21d01d267ae35029f04077ff70aa80a92f920c793c06a764f