[INFO] updating cached repository https://github.com/yoatnic/til-rust
[INFO] running `"git" "-c" "credential.helper=" "-c" "credential.helper=/big/crater/work/cargo-home/bin/git-credential-null" "-c" "remote.origin.fetch=refs/heads/*:refs/heads/*" "fetch" "origin" "--force" "--prune"`
[INFO] running `"git" "rev-parse" "HEAD"`
[INFO] [stdout] c2be59a4617cd5a0dea22852b890471baac9c006
[INFO] testing yoatnic/til-rust against 1.38.0 for beta-1.39-1
[INFO] running `"git" "clone" "work/cache/git-repos/https%3A%2F%2Fgithub.com%2Fyoatnic%2Ftil-rust" "work/builds/worker-3/source"`
[INFO] [stderr] Cloning into 'work/builds/worker-3/source'...
[INFO] [stderr] done.
[INFO] validating manifest of git repo https://github.com/yoatnic/til-rust on toolchain 1.38.0
[INFO] running `"/big/crater/work/cargo-home/bin/cargo" "+1.38.0" "read-manifest" "--manifest-path" "Cargo.toml"`
[INFO] started tweaking git repo https://github.com/yoatnic/til-rust
[INFO] finished tweaking git repo https://github.com/yoatnic/til-rust
[INFO] tweaked toml for git repo https://github.com/yoatnic/til-rust written to work/builds/worker-3/source/Cargo.toml
[INFO] crate git repo https://github.com/yoatnic/til-rust already has a lockfile, it will not be regenerated
[INFO] running `"/big/crater/work/cargo-home/bin/cargo" "+1.38.0" "fetch" "--locked" "--manifest-path" "Cargo.toml"`
[INFO] [stderr]     Blocking waiting for file lock on package cache
[INFO] running `"docker" "create" "-v" "/big/crater/work/builds/worker-3/target:/opt/rustwide/target:rw,Z" "-v" "/big/crater/work/builds/worker-3/source:/opt/rustwide/workdir:ro,Z" "-v" "/big/crater/work/cargo-home:/opt/rustwide/cargo-home:ro,Z" "-v" "/big/crater/work/rustup-home:/opt/rustwide/rustup-home:ro,Z" "-e" "SOURCE_DIR=/opt/rustwide/workdir" "-e" "MAP_USER_ID=1000" "-e" "CARGO_TARGET_DIR=/opt/rustwide/target" "-e" "CARGO_INCREMENTAL=0" "-e" "RUST_BACKTRACE=full" "-e" "RUSTFLAGS=--cap-lints=warn" "-e" "CARGO_HOME=/opt/rustwide/cargo-home" "-e" "RUSTUP_HOME=/opt/rustwide/rustup-home" "-w" "/opt/rustwide/workdir" "-m" "1610612736" "--network" "none" "rustops/crates-build-env" "/opt/rustwide/cargo-home/bin/cargo" "+1.38.0" "build" "--frozen"`
[INFO] [stdout] 63b99998210ae91c2e45c6b10564b6b83fa96b8433215b00b8ba61f9b0d8fb9b
[INFO] running `"docker" "start" "-a" "63b99998210ae91c2e45c6b10564b6b83fa96b8433215b00b8ba61f9b0d8fb9b"`
[INFO] [stderr]    Compiling rand v0.3.22
[INFO] [stderr]    Compiling playground v0.1.0 (/opt/rustwide/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 4.40s
[INFO] running `"docker" "inspect" "63b99998210ae91c2e45c6b10564b6b83fa96b8433215b00b8ba61f9b0d8fb9b"`
[INFO] running `"docker" "rm" "-f" "63b99998210ae91c2e45c6b10564b6b83fa96b8433215b00b8ba61f9b0d8fb9b"`
[INFO] [stdout] 63b99998210ae91c2e45c6b10564b6b83fa96b8433215b00b8ba61f9b0d8fb9b
[INFO] running `"docker" "create" "-v" "/big/crater/work/builds/worker-3/target:/opt/rustwide/target:rw,Z" "-v" "/big/crater/work/builds/worker-3/source:/opt/rustwide/workdir:ro,Z" "-v" "/big/crater/work/cargo-home:/opt/rustwide/cargo-home:ro,Z" "-v" "/big/crater/work/rustup-home:/opt/rustwide/rustup-home:ro,Z" "-e" "SOURCE_DIR=/opt/rustwide/workdir" "-e" "MAP_USER_ID=1000" "-e" "CARGO_TARGET_DIR=/opt/rustwide/target" "-e" "CARGO_INCREMENTAL=0" "-e" "RUST_BACKTRACE=full" "-e" "RUSTFLAGS=--cap-lints=warn" "-e" "CARGO_HOME=/opt/rustwide/cargo-home" "-e" "RUSTUP_HOME=/opt/rustwide/rustup-home" "-w" "/opt/rustwide/workdir" "-m" "1610612736" "--network" "none" "rustops/crates-build-env" "/opt/rustwide/cargo-home/bin/cargo" "+1.38.0" "test" "--frozen" "--no-run"`
[INFO] [stdout] ee1133c14ff5f589bf0aeaa330c9727b73bae5e0e1f3891e422581d31fad6d3f
[INFO] running `"docker" "start" "-a" "ee1133c14ff5f589bf0aeaa330c9727b73bae5e0e1f3891e422581d31fad6d3f"`
[INFO] [stderr]    Compiling playground v0.1.0 (/opt/rustwide/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 1.70s
[INFO] running `"docker" "inspect" "ee1133c14ff5f589bf0aeaa330c9727b73bae5e0e1f3891e422581d31fad6d3f"`
[INFO] running `"docker" "rm" "-f" "ee1133c14ff5f589bf0aeaa330c9727b73bae5e0e1f3891e422581d31fad6d3f"`
[INFO] [stdout] ee1133c14ff5f589bf0aeaa330c9727b73bae5e0e1f3891e422581d31fad6d3f
[INFO] running `"docker" "create" "-v" "/big/crater/work/builds/worker-3/target:/opt/rustwide/target:rw,Z" "-v" "/big/crater/work/builds/worker-3/source:/opt/rustwide/workdir:ro,Z" "-v" "/big/crater/work/cargo-home:/opt/rustwide/cargo-home:ro,Z" "-v" "/big/crater/work/rustup-home:/opt/rustwide/rustup-home:ro,Z" "-e" "SOURCE_DIR=/opt/rustwide/workdir" "-e" "MAP_USER_ID=1000" "-e" "CARGO_TARGET_DIR=/opt/rustwide/target" "-e" "CARGO_INCREMENTAL=0" "-e" "RUST_BACKTRACE=full" "-e" "RUSTFLAGS=--cap-lints=warn" "-e" "CARGO_HOME=/opt/rustwide/cargo-home" "-e" "RUSTUP_HOME=/opt/rustwide/rustup-home" "-w" "/opt/rustwide/workdir" "-m" "1610612736" "--network" "none" "rustops/crates-build-env" "/opt/rustwide/cargo-home/bin/cargo" "+1.38.0" "test" "--frozen"`
[INFO] [stdout] cc9e53491e2b3d55f61b6701e5e3df5b46a62ef9276f02f9122627360a0f8c9f
[INFO] running `"docker" "start" "-a" "cc9e53491e2b3d55f61b6701e5e3df5b46a62ef9276f02f9122627360a0f8c9f"`
[INFO] [stderr]     Blocking waiting for file lock on package cache
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 0.08s
[INFO] [stderr]      Running /opt/rustwide/target/debug/deps/playground-72a2850be19409a7
[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] [stderr]      Running /opt/rustwide/target/debug/deps/playground-b65e95a254a6d0a8
[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] [stderr]    Doc-tests playground
[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" "cc9e53491e2b3d55f61b6701e5e3df5b46a62ef9276f02f9122627360a0f8c9f"`
[INFO] running `"docker" "rm" "-f" "cc9e53491e2b3d55f61b6701e5e3df5b46a62ef9276f02f9122627360a0f8c9f"`
[INFO] [stdout] cc9e53491e2b3d55f61b6701e5e3df5b46a62ef9276f02f9122627360a0f8c9f