Dec 18 17:22:22.665 INFO checking convert-0.2.0 against try#0b8c5828f68d7b2840b81fa51239346dc97fef5a for pr-54252
Dec 18 17:22:22.666 INFO running `"docker" "create" "-v" "/mnt/big/crater/work/local/target-dirs/pr-54252/worker-1/try#0b8c5828f68d7b2840b81fa51239346dc97fef5a:/opt/crater/target:rw,Z" "-v" "/mnt/big/crater/work/ex/pr-54252/sources/try#0b8c5828f68d7b2840b81fa51239346dc97fef5a/reg/convert/0.2.0:/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" "+0b8c5828f68d7b2840b81fa51239346dc97fef5a-alt" "check" "--frozen" "--all" "--all-targets"`
Dec 18 17:22:23.135 INFO [stdout] afd2393c5d827b37bf870f9da3a221790fe857da9b19763a8541664a2bf68672
Dec 18 17:22:23.142 INFO running `"docker" "start" "-a" "afd2393c5d827b37bf870f9da3a221790fe857da9b19763a8541664a2bf68672"`
Dec 18 17:22:24.776 INFO [stderr]    Compiling curl-sys v0.1.35
Dec 18 17:22:24.776 INFO [stderr]     Checking serde_json v0.6.1
Dec 18 17:23:22.211 INFO [stderr]     Checking curl v0.2.19
Dec 18 17:23:23.005 INFO [stderr]     Checking convert v0.2.0 (/opt/crater/workdir)
Dec 18 17:23:23.898 INFO [stderr] warning: unused import: `json::parse`
Dec 18 17:23:23.898 INFO [stderr]   --> src/main.rs:14:5
Dec 18 17:23:23.898 INFO [stderr]    |
Dec 18 17:23:23.898 INFO [stderr] 14 | use json::parse;
Dec 18 17:23:23.898 INFO [stderr]    |     ^^^^^^^^^^^
Dec 18 17:23:23.898 INFO [stderr]    |
Dec 18 17:23:23.898 INFO [stderr]    = note: #[warn(unused_imports)] on by default
Dec 18 17:23:23.898 INFO [stderr] 
Dec 18 17:23:23.948 INFO [stderr] warning: use of deprecated item 'failure::Error::causes': please use the 'iter_chain()' method instead
Dec 18 17:23:23.948 INFO [stderr]   --> src/main.rs:40:26
Dec 18 17:23:23.948 INFO [stderr]    |
Dec 18 17:23:23.948 INFO [stderr] 40 |         for cause in err.causes().skip(1) {
Dec 18 17:23:23.948 INFO [stderr]    |                          ^^^^^^
Dec 18 17:23:23.948 INFO [stderr]    |
Dec 18 17:23:23.948 INFO [stderr]    = note: #[warn(deprecated)] on by default
Dec 18 17:23:23.948 INFO [stderr] 
Dec 18 17:23:24.020 INFO [stderr] warning: unused variable: `val`
Dec 18 17:23:24.020 INFO [stderr]   --> src/main.rs:90:20
Dec 18 17:23:24.020 INFO [stderr]    |
Dec 18 17:23:24.020 INFO [stderr] 90 |         for (curr, val) in obj.iter() {
Dec 18 17:23:24.020 INFO [stderr]    |                    ^^^ help: consider using `_val` instead
Dec 18 17:23:24.020 INFO [stderr]    |
Dec 18 17:23:24.020 INFO [stderr]    = note: #[warn(unused_variables)] on by default
Dec 18 17:23:24.020 INFO [stderr] 
Dec 18 17:23:24.042 INFO [stderr] warning: unused attribute
Dec 18 17:23:24.042 INFO [stderr]  --> src/main.rs:9:1
Dec 18 17:23:24.042 INFO [stderr]   |
Dec 18 17:23:24.042 INFO [stderr] 9 | #[macro_use]
Dec 18 17:23:24.042 INFO [stderr]   | ^^^^^^^^^^^^
Dec 18 17:23:24.042 INFO [stderr]   |
Dec 18 17:23:24.042 INFO [stderr]   = note: #[warn(unused_attributes)] on by default
Dec 18 17:23:24.042 INFO [stderr] 
Dec 18 17:23:24.042 INFO [stderr] warning: unused attribute
Dec 18 17:23:24.042 INFO [stderr]  --> src/main.rs:9:1
Dec 18 17:23:24.042 INFO [stderr]   |
Dec 18 17:23:24.042 INFO [stderr] 9 | #[macro_use]
Dec 18 17:23:24.042 INFO [stderr]   | ^^^^^^^^^^^^
Dec 18 17:23:24.042 INFO [stderr] 
Dec 18 17:23:24.108 INFO [stderr] warning: unused import: `json::parse`
Dec 18 17:23:24.108 INFO [stderr]   --> src/main.rs:14:5
Dec 18 17:23:24.108 INFO [stderr]    |
Dec 18 17:23:24.108 INFO [stderr] 14 | use json::parse;
Dec 18 17:23:24.108 INFO [stderr]    |     ^^^^^^^^^^^
Dec 18 17:23:24.108 INFO [stderr]    |
Dec 18 17:23:24.108 INFO [stderr]    = note: #[warn(unused_imports)] on by default
Dec 18 17:23:24.108 INFO [stderr] 
Dec 18 17:23:24.162 INFO [stderr] warning: use of deprecated item 'failure::Error::causes': please use the 'iter_chain()' method instead
Dec 18 17:23:24.162 INFO [stderr]   --> src/main.rs:40:26
Dec 18 17:23:24.162 INFO [stderr]    |
Dec 18 17:23:24.162 INFO [stderr] 40 |         for cause in err.causes().skip(1) {
Dec 18 17:23:24.162 INFO [stderr]    |                          ^^^^^^
Dec 18 17:23:24.162 INFO [stderr]    |
Dec 18 17:23:24.162 INFO [stderr]    = note: #[warn(deprecated)] on by default
Dec 18 17:23:24.162 INFO [stderr] 
Dec 18 17:23:24.244 INFO [stderr] warning: unused variable: `val`
Dec 18 17:23:24.244 INFO [stderr]   --> src/main.rs:90:20
Dec 18 17:23:24.244 INFO [stderr]    |
Dec 18 17:23:24.244 INFO [stderr] 90 |         for (curr, val) in obj.iter() {
Dec 18 17:23:24.244 INFO [stderr]    |                    ^^^ help: consider using `_val` instead
Dec 18 17:23:24.244 INFO [stderr]    |
Dec 18 17:23:24.244 INFO [stderr]    = note: #[warn(unused_variables)] on by default
Dec 18 17:23:24.244 INFO [stderr] 
Dec 18 17:23:24.256 INFO [stderr] warning: unused attribute
Dec 18 17:23:24.256 INFO [stderr]  --> src/main.rs:9:1
Dec 18 17:23:24.256 INFO [stderr]   |
Dec 18 17:23:24.256 INFO [stderr] 9 | #[macro_use]
Dec 18 17:23:24.256 INFO [stderr]   | ^^^^^^^^^^^^
Dec 18 17:23:24.256 INFO [stderr]   |
Dec 18 17:23:24.256 INFO [stderr]   = note: #[warn(unused_attributes)] on by default
Dec 18 17:23:24.256 INFO [stderr] 
Dec 18 17:23:24.256 INFO [stderr] warning: unused attribute
Dec 18 17:23:24.256 INFO [stderr]  --> src/main.rs:9:1
Dec 18 17:23:24.256 INFO [stderr]   |
Dec 18 17:23:24.256 INFO [stderr] 9 | #[macro_use]
Dec 18 17:23:24.256 INFO [stderr]   | ^^^^^^^^^^^^
Dec 18 17:23:24.256 INFO [stderr] 
Dec 18 17:23:24.308 INFO [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 59.74s
Dec 18 17:23:25.106 INFO running `"docker" "inspect" "afd2393c5d827b37bf870f9da3a221790fe857da9b19763a8541664a2bf68672"`
Dec 18 17:23:25.390 INFO running `"docker" "rm" "-f" "afd2393c5d827b37bf870f9da3a221790fe857da9b19763a8541664a2bf68672"`
Dec 18 17:23:25.768 INFO [stdout] afd2393c5d827b37bf870f9da3a221790fe857da9b19763a8541664a2bf68672