[INFO] updating cached repository aahmd/records
[INFO] running `"git" "fetch" "--all"`
[INFO] [stdout] Fetching origin
[INFO] [stderr] From git://github.com/aahmd/records
[INFO] [stderr]  * branch            HEAD       -> FETCH_HEAD
[INFO] running `"git" "clone" "work/cache/sources/gh/aahmd/records" "work/ex/beta-1.37-6/sources/1.36.0/gh/aahmd/records"`
[INFO] [stderr] Cloning into 'work/ex/beta-1.37-6/sources/1.36.0/gh/aahmd/records'...
[INFO] [stderr] done.
[INFO] running `"git" "clone" "work/cache/sources/gh/aahmd/records" "work/ex/beta-1.37-6/sources/beta-2019-07-23/gh/aahmd/records"`
[INFO] [stderr] Cloning into 'work/ex/beta-1.37-6/sources/beta-2019-07-23/gh/aahmd/records'...
[INFO] [stderr] done.
[INFO] running `"git" "rev-parse" "HEAD"`
[INFO] [stdout] 7d78a68cfa90e68354a51792472425b9ac618885
[INFO] sha for GitHub repo aahmd/records: 7d78a68cfa90e68354a51792472425b9ac618885
[INFO] validating manifest of aahmd/records on toolchain 1.36.0
[INFO] running `"/mnt/big/crater/work/local/cargo-home/bin/cargo" "+1.36.0" "read-manifest" "--manifest-path" "Cargo.toml"`
[INFO] validating manifest of aahmd/records on toolchain beta-2019-07-23
[INFO] running `"/mnt/big/crater/work/local/cargo-home/bin/cargo" "+beta-2019-07-23" "read-manifest" "--manifest-path" "Cargo.toml"`
[INFO] started frobbing aahmd/records
[INFO] finished frobbing aahmd/records
[INFO] frobbed toml for aahmd/records written to work/ex/beta-1.37-6/sources/1.36.0/gh/aahmd/records/Cargo.toml
[INFO] started frobbing aahmd/records
[INFO] finished frobbing aahmd/records
[INFO] frobbed toml for aahmd/records written to work/ex/beta-1.37-6/sources/beta-2019-07-23/gh/aahmd/records/Cargo.toml
[INFO] crate aahmd/records already has a lockfile, it will not be regenerated
[INFO] running `"/mnt/big/crater/work/local/cargo-home/bin/cargo" "+1.36.0" "fetch" "--locked" "--manifest-path" "Cargo.toml"`
[INFO] [stderr]     Blocking waiting for file lock on package cache lock
[INFO] running `"/mnt/big/crater/work/local/cargo-home/bin/cargo" "+beta-2019-07-23" "fetch" "--locked" "--manifest-path" "Cargo.toml"`
[INFO] testing aahmd/records against 1.36.0 for beta-1.37-6
[INFO] running `"docker" "create" "-v" "/mnt/big/crater/work/local/target-dirs/beta-1.37-6/worker-4/1.36.0:/opt/crater/target:rw,Z" "-v" "/mnt/big/crater/work/ex/beta-1.37-6/sources/1.36.0/gh/aahmd/records:/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=warn" "-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" "+1.36.0" "build" "--frozen"`
[INFO] [stdout] 640a1ab45898452d4b64b781bcdf8ec24b9b97c7102c38d20fea04ca868e0e10
[INFO] running `"docker" "start" "-a" "640a1ab45898452d4b64b781bcdf8ec24b9b97c7102c38d20fea04ca868e0e10"`
[INFO] [stderr]    Compiling memchr v2.1.1
[INFO] [stderr]    Compiling futf v0.1.4
[INFO] [stderr]    Compiling syn v0.15.22
[INFO] [stderr]    Compiling mio v0.6.16
[INFO] [stderr]    Compiling string_cache_codegen v0.4.2
[INFO] [stderr]    Compiling h2 v0.1.14
[INFO] [stderr]    Compiling tendril v0.4.0
[INFO] [stderr]    Compiling csv-core v0.1.4
[INFO] [stderr]    Compiling string_cache v0.7.3
[INFO] [stderr]    Compiling csv v1.0.2
[INFO] [stderr]    Compiling mio-uds v0.6.7
[INFO] [stderr]    Compiling tokio-reactor v0.1.7
[INFO] [stderr]    Compiling tokio-uds v0.2.4
[INFO] [stderr]    Compiling tokio-tcp v0.1.2
[INFO] [stderr]    Compiling tokio-udp v0.1.3
[INFO] [stderr]    Compiling tokio v0.1.13
[INFO] [stderr]    Compiling hyper v0.12.17
[INFO] [stderr]    Compiling serde_derive v1.0.80
[INFO] [stderr]    Compiling html5ever v0.22.5
[INFO] [stderr]    Compiling hyper-tls v0.3.1
[INFO] [stderr]    Compiling reqwest v0.9.5 (https://github.com/seanmonstar/reqwest#a13f89c4)
[INFO] [stderr]    Compiling markup5ever v0.7.3
[INFO] [stderr]    Compiling select v0.4.2 (https://github.com/utkarshkukreti/select.rs#6b083912)
[INFO] [stderr]    Compiling records v0.1.0 (/opt/crater/workdir)
[INFO] [stderr] warning: variable does not need to be mutable
[INFO] [stderr]   --> src/main.rs:39:13
[INFO] [stderr]    |
[INFO] [stderr] 39 |         let mut url = String::from(format!("https://www.discogs.com/label/{}", i));
[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 45.19s
[INFO] running `"docker" "inspect" "640a1ab45898452d4b64b781bcdf8ec24b9b97c7102c38d20fea04ca868e0e10"`
[INFO] running `"docker" "rm" "-f" "640a1ab45898452d4b64b781bcdf8ec24b9b97c7102c38d20fea04ca868e0e10"`
[INFO] [stdout] 640a1ab45898452d4b64b781bcdf8ec24b9b97c7102c38d20fea04ca868e0e10
[INFO] running `"docker" "create" "-v" "/mnt/big/crater/work/local/target-dirs/beta-1.37-6/worker-4/1.36.0:/opt/crater/target:rw,Z" "-v" "/mnt/big/crater/work/ex/beta-1.37-6/sources/1.36.0/gh/aahmd/records:/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=warn" "-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" "+1.36.0" "test" "--frozen" "--no-run"`
[INFO] [stdout] abb553dff8faf77e0e563059903943fa6b16a0667a7000b0eabc97c9b50a658b
[INFO] running `"docker" "start" "-a" "abb553dff8faf77e0e563059903943fa6b16a0667a7000b0eabc97c9b50a658b"`
[INFO] [stderr]    Compiling records v0.1.0 (/opt/crater/workdir)
[INFO] [stderr] warning: variable does not need to be mutable
[INFO] [stderr]   --> src/main.rs:39:13
[INFO] [stderr]    |
[INFO] [stderr] 39 |         let mut url = String::from(format!("https://www.discogs.com/label/{}", i));
[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 1.03s
[INFO] running `"docker" "inspect" "abb553dff8faf77e0e563059903943fa6b16a0667a7000b0eabc97c9b50a658b"`
[INFO] running `"docker" "rm" "-f" "abb553dff8faf77e0e563059903943fa6b16a0667a7000b0eabc97c9b50a658b"`
[INFO] [stdout] abb553dff8faf77e0e563059903943fa6b16a0667a7000b0eabc97c9b50a658b
[INFO] running `"docker" "create" "-v" "/mnt/big/crater/work/local/target-dirs/beta-1.37-6/worker-4/1.36.0:/opt/crater/target:rw,Z" "-v" "/mnt/big/crater/work/ex/beta-1.37-6/sources/1.36.0/gh/aahmd/records:/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=warn" "-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" "+1.36.0" "test" "--frozen"`
[INFO] [stdout] 1303d3f0ac1dfb6231ee13f8fc9405992473e54cf54e213f083f3960145c3957
[INFO] running `"docker" "start" "-a" "1303d3f0ac1dfb6231ee13f8fc9405992473e54cf54e213f083f3960145c3957"`
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 0.07s
[INFO] [stderr]      Running /opt/crater/target/debug/deps/records-4d79b621d058cc5d
[INFO] [stdout] 
[INFO] [stdout] running 0 tests
[INFO] [stdout] 
[INFO] [stdout] test result: ok. 0 passed; 0 failed; 0 ignored; 0 measured; 0 filtered out
[INFO] [stdout] 
[INFO] running `"docker" "inspect" "1303d3f0ac1dfb6231ee13f8fc9405992473e54cf54e213f083f3960145c3957"`
[INFO] running `"docker" "rm" "-f" "1303d3f0ac1dfb6231ee13f8fc9405992473e54cf54e213f083f3960145c3957"`
[INFO] [stdout] 1303d3f0ac1dfb6231ee13f8fc9405992473e54cf54e213f083f3960145c3957