[INFO] updating cached repository https://github.com/shaopengw/cargo-check-bug-demo
[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] 1100e314cb3d5df3583ac01fffceebce699cacd0
[INFO] testing shaopengw/cargo-check-bug-demo against beta-2019-09-28 for beta-1.39-1
[INFO] running `"git" "clone" "work/cache/git-repos/https%3A%2F%2Fgithub.com%2Fshaopengw%2Fcargo-check-bug-demo" "work/builds/worker-7/source"`
[INFO] [stderr] Cloning into 'work/builds/worker-7/source'...
[INFO] [stderr] done.
[INFO] validating manifest of git repo https://github.com/shaopengw/cargo-check-bug-demo on toolchain beta-2019-09-28
[INFO] running `"/big/crater/work/cargo-home/bin/cargo" "+beta-2019-09-28" "read-manifest" "--manifest-path" "Cargo.toml"`
[INFO] started tweaking git repo https://github.com/shaopengw/cargo-check-bug-demo
[INFO] finished tweaking git repo https://github.com/shaopengw/cargo-check-bug-demo
[INFO] tweaked toml for git repo https://github.com/shaopengw/cargo-check-bug-demo written to work/builds/worker-7/source/Cargo.toml
[INFO] crate git repo https://github.com/shaopengw/cargo-check-bug-demo already has a lockfile, it will not be regenerated
[INFO] running `"/big/crater/work/cargo-home/bin/cargo" "+beta-2019-09-28" "fetch" "--locked" "--manifest-path" "Cargo.toml"`
[INFO] running `"docker" "create" "-v" "/big/crater/work/builds/worker-7/target:/opt/rustwide/target:rw,Z" "-v" "/big/crater/work/builds/worker-7/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" "+beta-2019-09-28" "build" "--frozen"`
[INFO] [stdout] d3201e989b13f435fc59b066eb0991706e5790a0488a8de996b32cd92453aa65
[INFO] running `"docker" "start" "-a" "d3201e989b13f435fc59b066eb0991706e5790a0488a8de996b32cd92453aa65"`
[INFO] [stderr]    Compiling box-bug v0.1.0 (/opt/rustwide/workdir)
[INFO] [stderr] warning: field is never used: `data`
[INFO] [stderr]   --> src/main.rs:10:5
[INFO] [stderr]    |
[INFO] [stderr] 10 |     data: Box<Enum>,
[INFO] [stderr]    |     ^^^^^^^^^^^^^^^
[INFO] [stderr]    |
[INFO] [stderr]    = note: `#[warn(dead_code)]` on by default
[INFO] [stderr] 
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 0.32s
[INFO] running `"docker" "inspect" "d3201e989b13f435fc59b066eb0991706e5790a0488a8de996b32cd92453aa65"`
[INFO] running `"docker" "rm" "-f" "d3201e989b13f435fc59b066eb0991706e5790a0488a8de996b32cd92453aa65"`
[INFO] [stdout] d3201e989b13f435fc59b066eb0991706e5790a0488a8de996b32cd92453aa65
[INFO] running `"docker" "create" "-v" "/big/crater/work/builds/worker-7/target:/opt/rustwide/target:rw,Z" "-v" "/big/crater/work/builds/worker-7/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" "+beta-2019-09-28" "test" "--frozen" "--no-run"`
[INFO] [stdout] d286bad211fd6aba012e0c9d00e81c653ef0b66c1ded5748a4a7151fef0c8537
[INFO] running `"docker" "start" "-a" "d286bad211fd6aba012e0c9d00e81c653ef0b66c1ded5748a4a7151fef0c8537"`
[INFO] [stderr]    Compiling box-bug v0.1.0 (/opt/rustwide/workdir)
[INFO] [stderr] warning: field is never used: `data`
[INFO] [stderr]   --> src/main.rs:10:5
[INFO] [stderr]    |
[INFO] [stderr] 10 |     data: Box<Enum>,
[INFO] [stderr]    |     ^^^^^^^^^^^^^^^
[INFO] [stderr]    |
[INFO] [stderr]    = note: `#[warn(dead_code)]` on by default
[INFO] [stderr] 
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 0.39s
[INFO] running `"docker" "inspect" "d286bad211fd6aba012e0c9d00e81c653ef0b66c1ded5748a4a7151fef0c8537"`
[INFO] running `"docker" "rm" "-f" "d286bad211fd6aba012e0c9d00e81c653ef0b66c1ded5748a4a7151fef0c8537"`
[INFO] [stdout] d286bad211fd6aba012e0c9d00e81c653ef0b66c1ded5748a4a7151fef0c8537
[INFO] running `"docker" "create" "-v" "/big/crater/work/builds/worker-7/target:/opt/rustwide/target:rw,Z" "-v" "/big/crater/work/builds/worker-7/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" "+beta-2019-09-28" "test" "--frozen"`
[INFO] [stdout] 60c4ca8d19078d79c084531bd50f51d7e35b2f6657561ce49a2319becb087ce6
[INFO] running `"docker" "start" "-a" "60c4ca8d19078d79c084531bd50f51d7e35b2f6657561ce49a2319becb087ce6"`
[INFO] [stderr]     Blocking waiting for file lock on package cache
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 0.30s
[INFO] [stderr]      Running /opt/rustwide/target/debug/deps/box_bug-346cb4f274a8199a
[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" "60c4ca8d19078d79c084531bd50f51d7e35b2f6657561ce49a2319becb087ce6"`
[INFO] running `"docker" "rm" "-f" "60c4ca8d19078d79c084531bd50f51d7e35b2f6657561ce49a2319becb087ce6"`
[INFO] [stdout] 60c4ca8d19078d79c084531bd50f51d7e35b2f6657561ce49a2319becb087ce6