Dec 04 09:23:28.471 INFO checking studoot/duplicate-finder against try#1df97983eb2057dc6a8f7eb364e263b51ae23230 for pr-56481
Dec 04 09:23:28.471 INFO running `"docker" "create" "-v" "/mnt/big/crater/work/local/target-dirs/pr-56481/worker-1/try#1df97983eb2057dc6a8f7eb364e263b51ae23230:/target:rw,Z" "-v" "/mnt/big/crater/work/local/test-source/worker-1/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 09:23:28.959 INFO [stdout] 525654fe659eebc3f7308e98b155bd19afae35e59bbff80cb5f77c66fb8bb0dd
Dec 04 09:23:28.965 INFO running `"docker" "start" "-a" "525654fe659eebc3f7308e98b155bd19afae35e59bbff80cb5f77c66fb8bb0dd"`
Dec 04 09:23:30.195 INFO [stderr] usermod: no changes
Dec 04 09:23:30.395 INFO [stderr]     Checking same-file v0.1.3
Dec 04 09:23:30.395 INFO [stderr]     Checking crossbeam v0.2.10
Dec 04 09:23:30.395 INFO [stderr]     Checking memchr v1.0.1
Dec 04 09:23:30.395 INFO [stderr]     Checking multimap v0.4.0
Dec 04 09:23:30.395 INFO [stderr]     Checking rayon-core v1.2.1
Dec 04 09:23:30.395 INFO [stderr]    Compiling structopt-derive v0.1.1
Dec 04 09:23:30.395 INFO [stderr]     Checking structopt v0.1.1
Dec 04 09:23:31.227 INFO [stderr]     Checking aho-corasick v0.6.3
Dec 04 09:23:31.243 INFO [stderr]     Checking walkdir v1.0.7
Dec 04 09:23:32.095 INFO [stderr]     Checking rayon v0.8.2
Dec 04 09:23:33.331 INFO [stderr]     Checking regex v0.2.2
Dec 04 09:23:36.399 INFO [stderr]     Checking globset v0.2.0
Dec 04 09:23:37.407 INFO [stderr]     Checking ignore v0.2.2
Dec 04 09:23:38.472 INFO [stderr]     Checking duplicate-finder v0.1.0 (/source)
Dec 04 09:23:39.373 INFO [stderr] warning: unused variable: `outputter`
Dec 04 09:23:39.373 INFO [stderr]   --> src/main.rs:92:13
Dec 04 09:23:39.373 INFO [stderr]    |
Dec 04 09:23:39.373 INFO [stderr] 92 |         let outputter = get_outputter(opts.output_type);
Dec 04 09:23:39.373 INFO [stderr]    |             ^^^^^^^^^ help: consider using `_outputter` instead
Dec 04 09:23:39.373 INFO [stderr]    |
Dec 04 09:23:39.373 INFO [stderr]    = note: #[warn(unused_variables)] on by default
Dec 04 09:23:39.373 INFO [stderr] 
Dec 04 09:23:39.373 INFO [stderr] warning: unused variable: `stream`
Dec 04 09:23:39.373 INFO [stderr]  --> src/output/csv.rs:9:22
Dec 04 09:23:39.373 INFO [stderr]   |
Dec 04 09:23:39.373 INFO [stderr] 9 |     fn output(&self, stream: &mut Write, d : &Duplicates) -> () {
Dec 04 09:23:39.373 INFO [stderr]   |                      ^^^^^^ help: consider using `_stream` instead
Dec 04 09:23:39.373 INFO [stderr] 
Dec 04 09:23:39.373 INFO [stderr] warning: unused variable: `d`
Dec 04 09:23:39.373 INFO [stderr]  --> src/output/csv.rs:9:42
Dec 04 09:23:39.373 INFO [stderr]   |
Dec 04 09:23:39.373 INFO [stderr] 9 |     fn output(&self, stream: &mut Write, d : &Duplicates) -> () {
Dec 04 09:23:39.373 INFO [stderr]   |                                          ^ help: consider using `_d` instead
Dec 04 09:23:39.373 INFO [stderr] 
Dec 04 09:23:39.373 INFO [stderr] warning: unused variable: `stream`
Dec 04 09:23:39.373 INFO [stderr]  --> src/output/json.rs:9:22
Dec 04 09:23:39.373 INFO [stderr]   |
Dec 04 09:23:39.373 INFO [stderr] 9 |     fn output(&self, stream: &mut Write, d : &Duplicates) -> () {
Dec 04 09:23:39.373 INFO [stderr]   |                      ^^^^^^ help: consider using `_stream` instead
Dec 04 09:23:39.373 INFO [stderr] 
Dec 04 09:23:39.373 INFO [stderr] warning: unused variable: `d`
Dec 04 09:23:39.373 INFO [stderr]  --> src/output/json.rs:9:42
Dec 04 09:23:39.373 INFO [stderr]   |
Dec 04 09:23:39.373 INFO [stderr] 9 |     fn output(&self, stream: &mut Write, d : &Duplicates) -> () {
Dec 04 09:23:39.373 INFO [stderr]   |                                          ^ help: consider using `_d` instead
Dec 04 09:23:39.373 INFO [stderr] 
Dec 04 09:23:39.463 INFO [stderr] warning: the feature `attr_literals` has been stable since 1.30.0 and no longer requires an attribute to enable
Dec 04 09:23:39.463 INFO [stderr]  --> src/main.rs:1:12
Dec 04 09:23:39.463 INFO [stderr]   |
Dec 04 09:23:39.463 INFO [stderr] 1 | #![feature(attr_literals, rustc_private)]
Dec 04 09:23:39.463 INFO [stderr]   |            ^^^^^^^^^^^^^
Dec 04 09:23:39.463 INFO [stderr]   |
Dec 04 09:23:39.463 INFO [stderr]   = note: #[warn(stable_features)] on by default
Dec 04 09:23:39.463 INFO [stderr] 
Dec 04 09:23:39.535 INFO [stderr] warning: unused variable: `outputter`
Dec 04 09:23:39.535 INFO [stderr]   --> src/main.rs:92:13
Dec 04 09:23:39.535 INFO [stderr]    |
Dec 04 09:23:39.535 INFO [stderr] 92 |         let outputter = get_outputter(opts.output_type);
Dec 04 09:23:39.535 INFO [stderr]    |             ^^^^^^^^^ help: consider using `_outputter` instead
Dec 04 09:23:39.535 INFO [stderr]    |
Dec 04 09:23:39.535 INFO [stderr]    = note: #[warn(unused_variables)] on by default
Dec 04 09:23:39.535 INFO [stderr] 
Dec 04 09:23:39.535 INFO [stderr] warning: unused variable: `stream`
Dec 04 09:23:39.535 INFO [stderr]  --> src/output/csv.rs:9:22
Dec 04 09:23:39.535 INFO [stderr]   |
Dec 04 09:23:39.535 INFO [stderr] 9 |     fn output(&self, stream: &mut Write, d : &Duplicates) -> () {
Dec 04 09:23:39.535 INFO [stderr]   |                      ^^^^^^ help: consider using `_stream` instead
Dec 04 09:23:39.535 INFO [stderr] 
Dec 04 09:23:39.535 INFO [stderr] warning: unused variable: `d`
Dec 04 09:23:39.535 INFO [stderr]  --> src/output/csv.rs:9:42
Dec 04 09:23:39.535 INFO [stderr]   |
Dec 04 09:23:39.535 INFO [stderr] 9 |     fn output(&self, stream: &mut Write, d : &Duplicates) -> () {
Dec 04 09:23:39.535 INFO [stderr]   |                                          ^ help: consider using `_d` instead
Dec 04 09:23:39.535 INFO [stderr] 
Dec 04 09:23:39.535 INFO [stderr] warning: unused variable: `stream`
Dec 04 09:23:39.535 INFO [stderr]  --> src/output/json.rs:9:22
Dec 04 09:23:39.535 INFO [stderr]   |
Dec 04 09:23:39.535 INFO [stderr] 9 |     fn output(&self, stream: &mut Write, d : &Duplicates) -> () {
Dec 04 09:23:39.535 INFO [stderr]   |                      ^^^^^^ help: consider using `_stream` instead
Dec 04 09:23:39.535 INFO [stderr] 
Dec 04 09:23:39.535 INFO [stderr] warning: unused variable: `d`
Dec 04 09:23:39.535 INFO [stderr]  --> src/output/json.rs:9:42
Dec 04 09:23:39.535 INFO [stderr]   |
Dec 04 09:23:39.535 INFO [stderr] 9 |     fn output(&self, stream: &mut Write, d : &Duplicates) -> () {
Dec 04 09:23:39.535 INFO [stderr]   |                                          ^ help: consider using `_d` instead
Dec 04 09:23:39.535 INFO [stderr] 
Dec 04 09:23:39.599 INFO [stderr] warning: the feature `attr_literals` has been stable since 1.30.0 and no longer requires an attribute to enable
Dec 04 09:23:39.599 INFO [stderr]  --> src/main.rs:1:12
Dec 04 09:23:39.599 INFO [stderr]   |
Dec 04 09:23:39.599 INFO [stderr] 1 | #![feature(attr_literals, rustc_private)]
Dec 04 09:23:39.599 INFO [stderr]   |            ^^^^^^^^^^^^^
Dec 04 09:23:39.599 INFO [stderr]   |
Dec 04 09:23:39.599 INFO [stderr]   = note: #[warn(stable_features)] on by default
Dec 04 09:23:39.599 INFO [stderr] 
Dec 04 09:23:39.628 INFO [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 9.40s
Dec 04 09:23:39.647 INFO [stderr] su: No module specific data is present
Dec 04 09:23:40.995 INFO running `"docker" "inspect" "525654fe659eebc3f7308e98b155bd19afae35e59bbff80cb5f77c66fb8bb0dd"`
Dec 04 09:23:41.345 INFO running `"docker" "rm" "-f" "525654fe659eebc3f7308e98b155bd19afae35e59bbff80cb5f77c66fb8bb0dd"`
Dec 04 09:23:41.591 INFO [stdout] 525654fe659eebc3f7308e98b155bd19afae35e59bbff80cb5f77c66fb8bb0dd