[INFO] updating cached repository justinmoon/dnrs
[INFO] running `"git" "fetch" "--all"`
[INFO] [stdout] Fetching origin
[INFO] [stderr] From git://github.com/justinmoon/dnrs
[INFO] [stderr]  * branch            HEAD       -> FETCH_HEAD
[INFO] running `"git" "clone" "work/cache/sources/gh/justinmoon/dnrs" "work/ex/pr-62849/sources/master#435236b8877cdb98c82eaebfb7887782277265c5/gh/justinmoon/dnrs"`
[INFO] [stderr] Cloning into 'work/ex/pr-62849/sources/master#435236b8877cdb98c82eaebfb7887782277265c5/gh/justinmoon/dnrs'...
[INFO] [stderr] done.
[INFO] running `"git" "clone" "work/cache/sources/gh/justinmoon/dnrs" "work/ex/pr-62849/sources/try#b5c7f157c20453dde8d47371abe73b32351b4e7f/gh/justinmoon/dnrs"`
[INFO] [stderr] Cloning into 'work/ex/pr-62849/sources/try#b5c7f157c20453dde8d47371abe73b32351b4e7f/gh/justinmoon/dnrs'...
[INFO] [stderr] done.
[INFO] running `"git" "rev-parse" "HEAD"`
[INFO] [stdout] 6e21c398c2714b168ddf311bbddf6a263e8fc76e
[INFO] sha for GitHub repo justinmoon/dnrs: 6e21c398c2714b168ddf311bbddf6a263e8fc76e
[INFO] validating manifest of justinmoon/dnrs 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 justinmoon/dnrs 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 justinmoon/dnrs
[INFO] finished frobbing justinmoon/dnrs
[INFO] frobbed toml for justinmoon/dnrs written to work/ex/pr-62849/sources/master#435236b8877cdb98c82eaebfb7887782277265c5/gh/justinmoon/dnrs/Cargo.toml
[INFO] started frobbing justinmoon/dnrs
[INFO] finished frobbing justinmoon/dnrs
[INFO] frobbed toml for justinmoon/dnrs written to work/ex/pr-62849/sources/try#b5c7f157c20453dde8d47371abe73b32351b4e7f/gh/justinmoon/dnrs/Cargo.toml
[INFO] crate justinmoon/dnrs 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] [stderr]     Blocking waiting for file lock on package cache
[INFO] running `"/mnt/big/crater/work/local/cargo-home/bin/cargo" "+b5c7f157c20453dde8d47371abe73b32351b4e7f-alt" "fetch" "--locked" "--manifest-path" "Cargo.toml"`
[INFO] checking justinmoon/dnrs 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/justinmoon/dnrs:/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] dc720c25cfcafdb98fa45b596878703bad79e946e413ac0e9d78694b679312fe
[INFO] running `"docker" "start" "-a" "dc720c25cfcafdb98fa45b596878703bad79e946e413ac0e9d78694b679312fe"`
[INFO] [stderr]     Checking dnrs v0.1.0 (/opt/crater/workdir)
[INFO] [stderr] warning: function is never used: `parse`
[INFO] [stderr]    --> src/main.rs:729:1
[INFO] [stderr]     |
[INFO] [stderr] 729 | fn parse() {
[INFO] [stderr]     | ^^^^^^^^^^
[INFO] [stderr]     |
[INFO] [stderr]     = note: `#[warn(dead_code)]` on by default
[INFO] [stderr] 
[INFO] [stderr] warning: function is never used: `resolve`
[INFO] [stderr]    --> src/main.rs:751:1
[INFO] [stderr]     |
[INFO] [stderr] 751 | fn resolve(url: &str) {
[INFO] [stderr]     | ^^^^^^^^^^^^^^^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: unused `std::result::Result` that must be used
[INFO] [stderr]    --> src/main.rs:444:9
[INFO] [stderr]     |
[INFO] [stderr] 444 |         buffer.read_qname(&mut domain);
[INFO] [stderr]     |         ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stderr]     |
[INFO] [stderr]     = note: `#[warn(unused_must_use)]` on by default
[INFO] [stderr]     = note: this `Result` may be an `Err` variant, which should be handled
[INFO] [stderr] 
[INFO] [stderr] warning: function is never used: `parse`
[INFO] [stderr]    --> src/main.rs:729:1
[INFO] [stderr]     |
[INFO] [stderr] 729 | fn parse() {
[INFO] [stderr]     | ^^^^^^^^^^
[INFO] [stderr]     |
[INFO] [stderr]     = note: `#[warn(dead_code)]` on by default
[INFO] [stderr] 
[INFO] [stderr] warning: function is never used: `resolve`
[INFO] [stderr]    --> src/main.rs:751:1
[INFO] [stderr]     |
[INFO] [stderr] 751 | fn resolve(url: &str) {
[INFO] [stderr]     | ^^^^^^^^^^^^^^^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: unused `std::result::Result` that must be used
[INFO] [stderr]    --> src/main.rs:444:9
[INFO] [stderr]     |
[INFO] [stderr] 444 |         buffer.read_qname(&mut domain);
[INFO] [stderr]     |         ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stderr]     |
[INFO] [stderr]     = note: `#[warn(unused_must_use)]` on by default
[INFO] [stderr]     = note: this `Result` may be an `Err` variant, which should be handled
[INFO] [stderr] 
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 1.85s
[INFO] running `"docker" "inspect" "dc720c25cfcafdb98fa45b596878703bad79e946e413ac0e9d78694b679312fe"`
[INFO] running `"docker" "rm" "-f" "dc720c25cfcafdb98fa45b596878703bad79e946e413ac0e9d78694b679312fe"`
[INFO] [stdout] dc720c25cfcafdb98fa45b596878703bad79e946e413ac0e9d78694b679312fe