[INFO] updating cached repository yoatnic/til-rust
[INFO] running `"git" "fetch" "--all"`
[INFO] [stdout] Fetching origin
[INFO] [stderr] From git://github.com/yoatnic/til-rust
[INFO] [stderr]  * branch            HEAD       -> FETCH_HEAD
[INFO] running `"git" "clone" "work/cache/sources/gh/yoatnic/til-rust" "work/ex/pr-57967/sources/master#c1c3c4e95b69dfeaca5c5db6c622d7f90ad30a54/gh/yoatnic/til-rust"`
[INFO] [stderr] Cloning into 'work/ex/pr-57967/sources/master#c1c3c4e95b69dfeaca5c5db6c622d7f90ad30a54/gh/yoatnic/til-rust'...
[INFO] [stderr] done.
[INFO] running `"git" "clone" "work/cache/sources/gh/yoatnic/til-rust" "work/ex/pr-57967/sources/try#7fea0229842e79db1159ea58ad9a653b288efee9/gh/yoatnic/til-rust"`
[INFO] [stderr] Cloning into 'work/ex/pr-57967/sources/try#7fea0229842e79db1159ea58ad9a653b288efee9/gh/yoatnic/til-rust'...
[INFO] [stderr] done.
[INFO] running `"git" "rev-parse" "HEAD"`
[INFO] [stdout] c2be59a4617cd5a0dea22852b890471baac9c006
[INFO] sha for GitHub repo yoatnic/til-rust: c2be59a4617cd5a0dea22852b890471baac9c006
[INFO] validating manifest of yoatnic/til-rust on toolchain master#c1c3c4e95b69dfeaca5c5db6c622d7f90ad30a54
[INFO] running `"/mnt/big/crater/work/local/cargo-home/bin/cargo" "+c1c3c4e95b69dfeaca5c5db6c622d7f90ad30a54-alt" "read-manifest" "--manifest-path" "Cargo.toml"`
[INFO] validating manifest of yoatnic/til-rust on toolchain try#7fea0229842e79db1159ea58ad9a653b288efee9
[INFO] running `"/mnt/big/crater/work/local/cargo-home/bin/cargo" "+7fea0229842e79db1159ea58ad9a653b288efee9-alt" "read-manifest" "--manifest-path" "Cargo.toml"`
[INFO] started frobbing yoatnic/til-rust
[INFO] finished frobbing yoatnic/til-rust
[INFO] frobbed toml for yoatnic/til-rust written to work/ex/pr-57967/sources/master#c1c3c4e95b69dfeaca5c5db6c622d7f90ad30a54/gh/yoatnic/til-rust/Cargo.toml
[INFO] started frobbing yoatnic/til-rust
[INFO] finished frobbing yoatnic/til-rust
[INFO] frobbed toml for yoatnic/til-rust written to work/ex/pr-57967/sources/try#7fea0229842e79db1159ea58ad9a653b288efee9/gh/yoatnic/til-rust/Cargo.toml
[INFO] crate yoatnic/til-rust has a lockfile. skipping
[INFO] running `"/mnt/big/crater/work/local/cargo-home/bin/cargo" "+c1c3c4e95b69dfeaca5c5db6c622d7f90ad30a54-alt" "fetch" "--locked" "--manifest-path" "Cargo.toml"`
[INFO] running `"/mnt/big/crater/work/local/cargo-home/bin/cargo" "+7fea0229842e79db1159ea58ad9a653b288efee9-alt" "fetch" "--locked" "--manifest-path" "Cargo.toml"`
[INFO] testing yoatnic/til-rust against try#7fea0229842e79db1159ea58ad9a653b288efee9 for pr-57967
[INFO] running `"docker" "create" "-v" "/mnt/big/crater/work/local/target-dirs/pr-57967/worker-2/try#7fea0229842e79db1159ea58ad9a653b288efee9:/opt/crater/target:rw,Z" "-v" "/mnt/big/crater/work/ex/pr-57967/sources/try#7fea0229842e79db1159ea58ad9a653b288efee9/gh/yoatnic/til-rust:/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" "+7fea0229842e79db1159ea58ad9a653b288efee9-alt" "build" "--frozen"`
[INFO] [stdout] 5573847bf31e628897be31a2bfe3e8aa5c60b20ff84989651d40405517db43a4
[INFO] running `"docker" "start" "-a" "5573847bf31e628897be31a2bfe3e8aa5c60b20ff84989651d40405517db43a4"`
[INFO] [stderr]    Compiling rand v0.4.2
[INFO] [stderr]    Compiling rand v0.3.22
[INFO] [stderr]    Compiling playground v0.1.0 (/opt/crater/workdir)
[INFO] [stderr] warning: field is never used: `kind`
[INFO] [stderr]  --> src/enum_example.rs:7:3
[INFO] [stderr]   |
[INFO] [stderr] 7 |   kind: IpAddrKind,
[INFO] [stderr]   |   ^^^^^^^^^^^^^^^^
[INFO] [stderr]   |
[INFO] [stderr]   = note: #[warn(dead_code)] on by default
[INFO] [stderr] 
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 3.72s
[INFO] running `"docker" "inspect" "5573847bf31e628897be31a2bfe3e8aa5c60b20ff84989651d40405517db43a4"`
[INFO] running `"docker" "rm" "-f" "5573847bf31e628897be31a2bfe3e8aa5c60b20ff84989651d40405517db43a4"`
[INFO] [stdout] 5573847bf31e628897be31a2bfe3e8aa5c60b20ff84989651d40405517db43a4
[INFO] running `"docker" "create" "-v" "/mnt/big/crater/work/local/target-dirs/pr-57967/worker-2/try#7fea0229842e79db1159ea58ad9a653b288efee9:/opt/crater/target:rw,Z" "-v" "/mnt/big/crater/work/ex/pr-57967/sources/try#7fea0229842e79db1159ea58ad9a653b288efee9/gh/yoatnic/til-rust:/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" "+7fea0229842e79db1159ea58ad9a653b288efee9-alt" "test" "--frozen" "--no-run"`
[INFO] [stdout] 6f52a510e3bca61f0c0c679c4c67b79020d52ad681537d499c832e2f878ee80f
[INFO] running `"docker" "start" "-a" "6f52a510e3bca61f0c0c679c4c67b79020d52ad681537d499c832e2f878ee80f"`
[INFO] [stderr]    Compiling playground v0.1.0 (/opt/crater/workdir)
[INFO] [stderr] warning: field is never used: `kind`
[INFO] [stderr]  --> src/enum_example.rs:7:3
[INFO] [stderr]   |
[INFO] [stderr] 7 |   kind: IpAddrKind,
[INFO] [stderr]   |   ^^^^^^^^^^^^^^^^
[INFO] [stderr]   |
[INFO] [stderr]   = note: #[warn(dead_code)] on by default
[INFO] [stderr] 
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 0.82s
[INFO] running `"docker" "inspect" "6f52a510e3bca61f0c0c679c4c67b79020d52ad681537d499c832e2f878ee80f"`
[INFO] running `"docker" "rm" "-f" "6f52a510e3bca61f0c0c679c4c67b79020d52ad681537d499c832e2f878ee80f"`
[INFO] [stdout] 6f52a510e3bca61f0c0c679c4c67b79020d52ad681537d499c832e2f878ee80f
[INFO] running `"docker" "create" "-v" "/mnt/big/crater/work/local/target-dirs/pr-57967/worker-2/try#7fea0229842e79db1159ea58ad9a653b288efee9:/opt/crater/target:rw,Z" "-v" "/mnt/big/crater/work/ex/pr-57967/sources/try#7fea0229842e79db1159ea58ad9a653b288efee9/gh/yoatnic/til-rust:/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" "+7fea0229842e79db1159ea58ad9a653b288efee9-alt" "test" "--frozen"`
[INFO] [stdout] 695b95f33c5d6aa72b5e8f33aee8d0d122c74b7b48835719517afba6a9748f8e
[INFO] running `"docker" "start" "-a" "695b95f33c5d6aa72b5e8f33aee8d0d122c74b7b48835719517afba6a9748f8e"`
[INFO] [stdout] 
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 0.03s
[INFO] [stdout] running 0 tests
[INFO] [stderr]      Running /opt/crater/target/debug/deps/playground-ae7cc04ef7bfedae
[INFO] [stdout] 
[INFO] [stderr]      Running /opt/crater/target/debug/deps/playground-986e1f39296fad37
[INFO] [stdout] test result: ok. 0 passed; 0 failed; 0 ignored; 0 measured; 0 filtered out
[INFO] [stderr]    Doc-tests playground
[INFO] [stdout] 
[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] [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" "695b95f33c5d6aa72b5e8f33aee8d0d122c74b7b48835719517afba6a9748f8e"`
[INFO] running `"docker" "rm" "-f" "695b95f33c5d6aa72b5e8f33aee8d0d122c74b7b48835719517afba6a9748f8e"`
[INFO] [stdout] 695b95f33c5d6aa72b5e8f33aee8d0d122c74b7b48835719517afba6a9748f8e