[INFO] updating cached repository drager/handle
[INFO] running `"git" "fetch" "--all"`
[INFO] [stdout] Fetching origin
[INFO] [stderr] From git://github.com/drager/handle
[INFO] [stderr]  * branch            HEAD       -> FETCH_HEAD
[INFO] running `"git" "clone" "work/cache/sources/gh/drager/handle" "work/ex/beta-1.37-6/sources/1.36.0/gh/drager/handle"`
[INFO] [stderr] Cloning into 'work/ex/beta-1.37-6/sources/1.36.0/gh/drager/handle'...
[INFO] [stderr] done.
[INFO] running `"git" "clone" "work/cache/sources/gh/drager/handle" "work/ex/beta-1.37-6/sources/beta-2019-07-23/gh/drager/handle"`
[INFO] [stderr] Cloning into 'work/ex/beta-1.37-6/sources/beta-2019-07-23/gh/drager/handle'...
[INFO] [stderr] done.
[INFO] running `"git" "rev-parse" "HEAD"`
[INFO] [stdout] f1a9ea1c1b148fded567ce4236e42569e8547879
[INFO] sha for GitHub repo drager/handle: f1a9ea1c1b148fded567ce4236e42569e8547879
[INFO] validating manifest of drager/handle 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 drager/handle 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 drager/handle
[INFO] finished frobbing drager/handle
[INFO] frobbed toml for drager/handle written to work/ex/beta-1.37-6/sources/1.36.0/gh/drager/handle/Cargo.toml
[INFO] started frobbing drager/handle
[INFO] finished frobbing drager/handle
[INFO] frobbed toml for drager/handle written to work/ex/beta-1.37-6/sources/beta-2019-07-23/gh/drager/handle/Cargo.toml
[INFO] crate drager/handle 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 drager/handle 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-0/1.36.0:/opt/crater/target:rw,Z" "-v" "/mnt/big/crater/work/ex/beta-1.37-6/sources/1.36.0/gh/drager/handle:/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] 4eb68ac48bc92496e105e1f6055a9975455e6edb1f5a1d61e8577794cc165b73
[INFO] running `"docker" "start" "-a" "4eb68ac48bc92496e105e1f6055a9975455e6edb1f5a1d61e8577794cc165b73"`
[INFO] [stderr]    Compiling slog v2.3.3
[INFO] [stderr]    Compiling isatty v0.1.9
[INFO] [stderr]    Compiling r2d2 v0.8.2
[INFO] [stderr]    Compiling syn v0.15.4
[INFO] [stderr]    Compiling diesel v1.3.2
[INFO] [stderr]    Compiling chrono v0.4.6
[INFO] [stderr]    Compiling slog-async v2.3.0
[INFO] [stderr]    Compiling slog-term v2.4.0
[INFO] [stderr]    Compiling serde_derive v1.0.78
[INFO] [stderr]    Compiling r2d2-diesel v1.0.0
[INFO] [stderr]    Compiling handler v0.1.0 (/opt/crater/workdir)
[INFO] [stderr] warning: variant is never constructed: `Sentry`
[INFO] [stderr]    --> src/main.rs:127:9
[INFO] [stderr]     |
[INFO] [stderr] 127 |         Sentry(&'a str),
[INFO] [stderr]     |         ^^^^^^^^^^^^^^^
[INFO] [stderr]     |
[INFO] [stderr]     = note: #[warn(dead_code)] on by default
[INFO] [stderr] 
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 1m 06s
[INFO] running `"docker" "inspect" "4eb68ac48bc92496e105e1f6055a9975455e6edb1f5a1d61e8577794cc165b73"`
[INFO] running `"docker" "rm" "-f" "4eb68ac48bc92496e105e1f6055a9975455e6edb1f5a1d61e8577794cc165b73"`
[INFO] [stdout] 4eb68ac48bc92496e105e1f6055a9975455e6edb1f5a1d61e8577794cc165b73
[INFO] running `"docker" "create" "-v" "/mnt/big/crater/work/local/target-dirs/beta-1.37-6/worker-0/1.36.0:/opt/crater/target:rw,Z" "-v" "/mnt/big/crater/work/ex/beta-1.37-6/sources/1.36.0/gh/drager/handle:/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] cd876e54c0daaa5cf2940cf76e06f5c3077e7392b591867919638072073f334b
[INFO] running `"docker" "start" "-a" "cd876e54c0daaa5cf2940cf76e06f5c3077e7392b591867919638072073f334b"`
[INFO] [stderr]    Compiling handler v0.1.0 (/opt/crater/workdir)
[INFO] [stderr] warning: variant is never constructed: `Sentry`
[INFO] [stderr]    --> src/main.rs:127:9
[INFO] [stderr]     |
[INFO] [stderr] 127 |         Sentry(&'a str),
[INFO] [stderr]     |         ^^^^^^^^^^^^^^^
[INFO] [stderr]     |
[INFO] [stderr]     = note: #[warn(dead_code)] on by default
[INFO] [stderr] 
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 1.30s
[INFO] running `"docker" "inspect" "cd876e54c0daaa5cf2940cf76e06f5c3077e7392b591867919638072073f334b"`
[INFO] running `"docker" "rm" "-f" "cd876e54c0daaa5cf2940cf76e06f5c3077e7392b591867919638072073f334b"`
[INFO] [stdout] cd876e54c0daaa5cf2940cf76e06f5c3077e7392b591867919638072073f334b
[INFO] running `"docker" "create" "-v" "/mnt/big/crater/work/local/target-dirs/beta-1.37-6/worker-0/1.36.0:/opt/crater/target:rw,Z" "-v" "/mnt/big/crater/work/ex/beta-1.37-6/sources/1.36.0/gh/drager/handle:/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] 865d46a41284e303e84acd8397d036f0362c2193b2633b862b05f34b5b9c5f3a
[INFO] running `"docker" "start" "-a" "865d46a41284e303e84acd8397d036f0362c2193b2633b862b05f34b5b9c5f3a"`
[INFO] [stderr]     Blocking waiting for file lock on package cache lock
[INFO] [stderr]     Blocking waiting for file lock on package cache lock
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 0.42s
[INFO] [stderr]      Running /opt/crater/target/debug/deps/handler-f2c4d5d4e68b7427
[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" "865d46a41284e303e84acd8397d036f0362c2193b2633b862b05f34b5b9c5f3a"`
[INFO] running `"docker" "rm" "-f" "865d46a41284e303e84acd8397d036f0362c2193b2633b862b05f34b5b9c5f3a"`
[INFO] [stdout] 865d46a41284e303e84acd8397d036f0362c2193b2633b862b05f34b5b9c5f3a