Dec 11 08:40:52.437 INFO checking studoot/duplicate-finder against master#3a75e80557a103497cffbcab395a2f37061a77ea for pr-56677
Dec 11 08:40:52.437 INFO running `"docker" "create" "-v" "/mnt/big/crater/work/local/target-dirs/pr-56677/worker-6/master#3a75e80557a103497cffbcab395a2f37061a77ea:/target:rw,Z" "-v" "/mnt/big/crater/work/local/test-source/worker-6/pr-56677/master#3a75e80557a103497cffbcab395a2f37061a77ea:/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 +3a75e80557a103497cffbcab395a2f37061a77ea-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 11 08:40:52.987 INFO [stdout] 13022211d5349bc89a1a98e3e52bc2a795709149b3754fcd8fbeae22f80cb89f
Dec 11 08:40:52.988 INFO running `"docker" "start" "-a" "13022211d5349bc89a1a98e3e52bc2a795709149b3754fcd8fbeae22f80cb89f"`
Dec 11 08:40:53.760 INFO [stderr] usermod: no changes
Dec 11 08:40:53.900 INFO [stderr]     Checking same-file v0.1.3
Dec 11 08:40:53.900 INFO [stderr]     Checking serde v1.0.15
Dec 11 08:40:53.900 INFO [stderr]     Checking memchr v1.0.1
Dec 11 08:40:53.912 INFO [stderr]     Checking term_size v0.3.0
Dec 11 08:40:53.912 INFO [stderr]     Checking atty v0.2.2
Dec 11 08:40:53.912 INFO [stderr]     Checking num_cpus v1.6.2
Dec 11 08:40:53.920 INFO [stderr]    Compiling structopt-derive v0.1.1
Dec 11 08:40:54.565 INFO [stderr]     Checking textwrap v0.8.0
Dec 11 08:40:54.609 INFO [stderr]     Checking rayon-core v1.2.1
Dec 11 08:40:54.705 INFO [stderr]     Checking aho-corasick v0.6.3
Dec 11 08:40:54.731 INFO [stderr]     Checking walkdir v1.0.7
Dec 11 08:40:55.357 INFO [stderr]     Checking clap v2.26.2
Dec 11 08:40:56.412 INFO [stderr]     Checking rayon v0.8.2
Dec 11 08:40:56.508 INFO [stderr]     Checking regex v0.2.2
Dec 11 08:41:01.392 INFO [stderr]     Checking globset v0.2.0
Dec 11 08:41:03.264 INFO [stderr]     Checking ignore v0.2.2
Dec 11 08:41:09.900 INFO [stderr]     Checking structopt v0.1.1
Dec 11 08:41:10.520 INFO [stderr]     Checking multimap v0.4.0
Dec 11 08:41:11.135 INFO [stderr]     Checking duplicate-finder v0.1.0 (/source)
Dec 11 08:41:12.056 INFO [stderr] warning: unused variable: `outputter`
Dec 11 08:41:12.056 INFO [stderr]   --> src/main.rs:92:13
Dec 11 08:41:12.056 INFO [stderr]    |
Dec 11 08:41:12.056 INFO [stderr] 92 |         let outputter = get_outputter(opts.output_type);
Dec 11 08:41:12.056 INFO [stderr]    |             ^^^^^^^^^ help: consider using `_outputter` instead
Dec 11 08:41:12.056 INFO [stderr]    |
Dec 11 08:41:12.056 INFO [stderr]    = note: #[warn(unused_variables)] on by default
Dec 11 08:41:12.056 INFO [stderr] 
Dec 11 08:41:12.056 INFO [stderr] warning: unused variable: `stream`
Dec 11 08:41:12.056 INFO [stderr]  --> src/output/csv.rs:9:22
Dec 11 08:41:12.056 INFO [stderr]   |
Dec 11 08:41:12.056 INFO [stderr] 9 |     fn output(&self, stream: &mut Write, d : &Duplicates) -> () {
Dec 11 08:41:12.056 INFO [stderr]   |                      ^^^^^^ help: consider using `_stream` instead
Dec 11 08:41:12.056 INFO [stderr] 
Dec 11 08:41:12.056 INFO [stderr] warning: unused variable: `d`
Dec 11 08:41:12.056 INFO [stderr]  --> src/output/csv.rs:9:42
Dec 11 08:41:12.056 INFO [stderr]   |
Dec 11 08:41:12.056 INFO [stderr] 9 |     fn output(&self, stream: &mut Write, d : &Duplicates) -> () {
Dec 11 08:41:12.056 INFO [stderr]   |                                          ^ help: consider using `_d` instead
Dec 11 08:41:12.056 INFO [stderr] 
Dec 11 08:41:12.056 INFO [stderr] warning: unused variable: `stream`
Dec 11 08:41:12.056 INFO [stderr]  --> src/output/json.rs:9:22
Dec 11 08:41:12.056 INFO [stderr]   |
Dec 11 08:41:12.056 INFO [stderr] 9 |     fn output(&self, stream: &mut Write, d : &Duplicates) -> () {
Dec 11 08:41:12.056 INFO [stderr]   |                      ^^^^^^ help: consider using `_stream` instead
Dec 11 08:41:12.056 INFO [stderr] 
Dec 11 08:41:12.056 INFO [stderr] warning: unused variable: `d`
Dec 11 08:41:12.056 INFO [stderr]  --> src/output/json.rs:9:42
Dec 11 08:41:12.056 INFO [stderr]   |
Dec 11 08:41:12.056 INFO [stderr] 9 |     fn output(&self, stream: &mut Write, d : &Duplicates) -> () {
Dec 11 08:41:12.056 INFO [stderr]   |                                          ^ help: consider using `_d` instead
Dec 11 08:41:12.056 INFO [stderr] 
Dec 11 08:41:12.108 INFO [stderr] warning: the feature `attr_literals` has been stable since 1.30.0 and no longer requires an attribute to enable
Dec 11 08:41:12.108 INFO [stderr]  --> src/main.rs:1:12
Dec 11 08:41:12.108 INFO [stderr]   |
Dec 11 08:41:12.108 INFO [stderr] 1 | #![feature(attr_literals, rustc_private)]
Dec 11 08:41:12.108 INFO [stderr]   |            ^^^^^^^^^^^^^
Dec 11 08:41:12.108 INFO [stderr]   |
Dec 11 08:41:12.108 INFO [stderr]   = note: #[warn(stable_features)] on by default
Dec 11 08:41:12.108 INFO [stderr] 
Dec 11 08:41:12.164 INFO [stderr] warning: unused variable: `outputter`
Dec 11 08:41:12.164 INFO [stderr]   --> src/main.rs:92:13
Dec 11 08:41:12.164 INFO [stderr]    |
Dec 11 08:41:12.164 INFO [stderr] 92 |         let outputter = get_outputter(opts.output_type);
Dec 11 08:41:12.164 INFO [stderr]    |             ^^^^^^^^^ help: consider using `_outputter` instead
Dec 11 08:41:12.164 INFO [stderr]    |
Dec 11 08:41:12.164 INFO [stderr]    = note: #[warn(unused_variables)] on by default
Dec 11 08:41:12.164 INFO [stderr] 
Dec 11 08:41:12.164 INFO [stderr] warning: unused variable: `stream`
Dec 11 08:41:12.164 INFO [stderr]  --> src/output/csv.rs:9:22
Dec 11 08:41:12.164 INFO [stderr]   |
Dec 11 08:41:12.164 INFO [stderr] 9 |     fn output(&self, stream: &mut Write, d : &Duplicates) -> () {
Dec 11 08:41:12.164 INFO [stderr]   |                      ^^^^^^ help: consider using `_stream` instead
Dec 11 08:41:12.164 INFO [stderr] 
Dec 11 08:41:12.164 INFO [stderr] warning: unused variable: `d`
Dec 11 08:41:12.164 INFO [stderr]  --> src/output/csv.rs:9:42
Dec 11 08:41:12.164 INFO [stderr]   |
Dec 11 08:41:12.164 INFO [stderr] 9 |     fn output(&self, stream: &mut Write, d : &Duplicates) -> () {
Dec 11 08:41:12.164 INFO [stderr]   |                                          ^ help: consider using `_d` instead
Dec 11 08:41:12.164 INFO [stderr] 
Dec 11 08:41:12.164 INFO [stderr] warning: unused variable: `stream`
Dec 11 08:41:12.164 INFO [stderr]  --> src/output/json.rs:9:22
Dec 11 08:41:12.164 INFO [stderr]   |
Dec 11 08:41:12.164 INFO [stderr] 9 |     fn output(&self, stream: &mut Write, d : &Duplicates) -> () {
Dec 11 08:41:12.164 INFO [stderr]   |                      ^^^^^^ help: consider using `_stream` instead
Dec 11 08:41:12.164 INFO [stderr] 
Dec 11 08:41:12.164 INFO [stderr] warning: unused variable: `d`
Dec 11 08:41:12.164 INFO [stderr]  --> src/output/json.rs:9:42
Dec 11 08:41:12.164 INFO [stderr]   |
Dec 11 08:41:12.164 INFO [stderr] 9 |     fn output(&self, stream: &mut Write, d : &Duplicates) -> () {
Dec 11 08:41:12.164 INFO [stderr]   |                                          ^ help: consider using `_d` instead
Dec 11 08:41:12.164 INFO [stderr] 
Dec 11 08:41:12.240 INFO [stderr] warning: the feature `attr_literals` has been stable since 1.30.0 and no longer requires an attribute to enable
Dec 11 08:41:12.240 INFO [stderr]  --> src/main.rs:1:12
Dec 11 08:41:12.240 INFO [stderr]   |
Dec 11 08:41:12.240 INFO [stderr] 1 | #![feature(attr_literals, rustc_private)]
Dec 11 08:41:12.240 INFO [stderr]   |            ^^^^^^^^^^^^^
Dec 11 08:41:12.240 INFO [stderr]   |
Dec 11 08:41:12.240 INFO [stderr]   = note: #[warn(stable_features)] on by default
Dec 11 08:41:12.240 INFO [stderr] 
Dec 11 08:41:12.284 INFO [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 18.50s
Dec 11 08:41:12.300 INFO [stderr] su: No module specific data is present
Dec 11 08:41:13.182 INFO running `"docker" "inspect" "13022211d5349bc89a1a98e3e52bc2a795709149b3754fcd8fbeae22f80cb89f"`
Dec 11 08:41:13.501 INFO running `"docker" "rm" "-f" "13022211d5349bc89a1a98e3e52bc2a795709149b3754fcd8fbeae22f80cb89f"`
Dec 11 08:41:13.729 INFO [stdout] 13022211d5349bc89a1a98e3e52bc2a795709149b3754fcd8fbeae22f80cb89f