[INFO] updating cached repository lawliet89/trait-obj
[INFO] running `"git" "fetch" "--all"`
[INFO] [stdout] Fetching origin
[INFO] [stderr] From git://github.com/lawliet89/trait-obj
[INFO] [stderr]  * branch            HEAD       -> FETCH_HEAD
[INFO] running `"git" "clone" "work/cache/sources/gh/lawliet89/trait-obj" "work/ex/beta-1.37-6/sources/1.36.0/gh/lawliet89/trait-obj"`
[INFO] [stderr] Cloning into 'work/ex/beta-1.37-6/sources/1.36.0/gh/lawliet89/trait-obj'...
[INFO] [stderr] done.
[INFO] running `"git" "clone" "work/cache/sources/gh/lawliet89/trait-obj" "work/ex/beta-1.37-6/sources/beta-2019-07-23/gh/lawliet89/trait-obj"`
[INFO] [stderr] Cloning into 'work/ex/beta-1.37-6/sources/beta-2019-07-23/gh/lawliet89/trait-obj'...
[INFO] [stderr] done.
[INFO] running `"git" "rev-parse" "HEAD"`
[INFO] [stdout] 63162d70145ef70587c640ee196519218ab9e1aa
[INFO] sha for GitHub repo lawliet89/trait-obj: 63162d70145ef70587c640ee196519218ab9e1aa
[INFO] validating manifest of lawliet89/trait-obj 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 lawliet89/trait-obj 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 lawliet89/trait-obj
[INFO] finished frobbing lawliet89/trait-obj
[INFO] frobbed toml for lawliet89/trait-obj written to work/ex/beta-1.37-6/sources/1.36.0/gh/lawliet89/trait-obj/Cargo.toml
[INFO] started frobbing lawliet89/trait-obj
[INFO] finished frobbing lawliet89/trait-obj
[INFO] frobbed toml for lawliet89/trait-obj written to work/ex/beta-1.37-6/sources/beta-2019-07-23/gh/lawliet89/trait-obj/Cargo.toml
[INFO] crate lawliet89/trait-obj 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] running `"/mnt/big/crater/work/local/cargo-home/bin/cargo" "+beta-2019-07-23" "fetch" "--locked" "--manifest-path" "Cargo.toml"`
[INFO] testing lawliet89/trait-obj 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/lawliet89/trait-obj:/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] 882f9b4ad9a4c21452db3cfd2f51aa5e4c70bb4728419bde7330c92d01982968
[INFO] running `"docker" "start" "-a" "882f9b4ad9a4c21452db3cfd2f51aa5e4c70bb4728419bde7330c92d01982968"`
[INFO] [stderr]     Blocking waiting for file lock on package cache lock
[INFO] [stderr]     Blocking waiting for file lock on package cache lock
[INFO] [stderr]    Compiling csv v0.15.0
[INFO] [stderr]    Compiling trait-obj v0.1.0 (/opt/crater/workdir)
[INFO] [stderr] warning: method is never used: `byte_strings_to_string`
[INFO] [stderr]   --> src/main.rs:61:5
[INFO] [stderr]    |
[INFO] [stderr] 61 |     fn byte_strings_to_string(record: Vec<csv::ByteString>) -> String {
[INFO] [stderr]    |     ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stderr]    |
[INFO] [stderr]    = note: #[warn(dead_code)] on by default
[INFO] [stderr] 
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 2.95s
[INFO] running `"docker" "inspect" "882f9b4ad9a4c21452db3cfd2f51aa5e4c70bb4728419bde7330c92d01982968"`
[INFO] running `"docker" "rm" "-f" "882f9b4ad9a4c21452db3cfd2f51aa5e4c70bb4728419bde7330c92d01982968"`
[INFO] [stdout] 882f9b4ad9a4c21452db3cfd2f51aa5e4c70bb4728419bde7330c92d01982968
[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/lawliet89/trait-obj:/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] 58d323f65145dcdbbb61361eb2e9228ce09705dbd462f2dad809da3254339db4
[INFO] running `"docker" "start" "-a" "58d323f65145dcdbbb61361eb2e9228ce09705dbd462f2dad809da3254339db4"`
[INFO] [stderr]    Compiling trait-obj v0.1.0 (/opt/crater/workdir)
[INFO] [stderr] warning: method is never used: `byte_strings_to_string`
[INFO] [stderr]   --> src/main.rs:61:5
[INFO] [stderr]    |
[INFO] [stderr] 61 |     fn byte_strings_to_string(record: Vec<csv::ByteString>) -> String {
[INFO] [stderr]    |     ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stderr]    |
[INFO] [stderr]    = note: #[warn(dead_code)] on by default
[INFO] [stderr] 
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 0.89s
[INFO] running `"docker" "inspect" "58d323f65145dcdbbb61361eb2e9228ce09705dbd462f2dad809da3254339db4"`
[INFO] running `"docker" "rm" "-f" "58d323f65145dcdbbb61361eb2e9228ce09705dbd462f2dad809da3254339db4"`
[INFO] [stdout] 58d323f65145dcdbbb61361eb2e9228ce09705dbd462f2dad809da3254339db4
[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/lawliet89/trait-obj:/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] 9692faeb284b1492cbec80ed7e493bccb3c6042305a3bc8485e69d8293515dc4
[INFO] running `"docker" "start" "-a" "9692faeb284b1492cbec80ed7e493bccb3c6042305a3bc8485e69d8293515dc4"`
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 0.02s
[INFO] [stderr]      Running /opt/crater/target/debug/deps/trait_obj-71661e41949364cf
[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" "9692faeb284b1492cbec80ed7e493bccb3c6042305a3bc8485e69d8293515dc4"`
[INFO] running `"docker" "rm" "-f" "9692faeb284b1492cbec80ed7e493bccb3c6042305a3bc8485e69d8293515dc4"`
[INFO] [stdout] 9692faeb284b1492cbec80ed7e493bccb3c6042305a3bc8485e69d8293515dc4