[INFO] crate custom_panic 0.0.0 is already in cache
[INFO] extracting crate custom_panic 0.0.0 into work/ex/beta-1.37-6/sources/1.36.0/reg/custom_panic/0.0.0
[INFO] extracting crate custom_panic 0.0.0 into work/ex/beta-1.37-6/sources/beta-2019-07-23/reg/custom_panic/0.0.0
[INFO] validating manifest of custom_panic-0.0.0 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 custom_panic-0.0.0 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 custom_panic-0.0.0
[INFO] finished frobbing custom_panic-0.0.0
[INFO] frobbed toml for custom_panic-0.0.0 written to work/ex/beta-1.37-6/sources/1.36.0/reg/custom_panic/0.0.0/Cargo.toml
[INFO] started frobbing custom_panic-0.0.0
[INFO] finished frobbing custom_panic-0.0.0
[INFO] frobbed toml for custom_panic-0.0.0 written to work/ex/beta-1.37-6/sources/beta-2019-07-23/reg/custom_panic/0.0.0/Cargo.toml
[INFO] running `"/mnt/big/crater/work/local/cargo-home/bin/cargo" "+1.36.0" "generate-lockfile" "--manifest-path" "Cargo.toml" "-Zno-index-update"`
[INFO] [stderr]     Blocking waiting for file lock on package cache lock
[INFO] running `"/mnt/big/crater/work/local/cargo-home/bin/cargo" "+beta-2019-07-23" "generate-lockfile" "--manifest-path" "Cargo.toml" "-Zno-index-update"`
[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 custom_panic-0.0.0 against beta-2019-07-23 for beta-1.37-6
[INFO] running `"docker" "create" "-v" "/mnt/big/crater/work/local/target-dirs/beta-1.37-6/worker-5/beta-2019-07-23:/opt/crater/target:rw,Z" "-v" "/mnt/big/crater/work/ex/beta-1.37-6/sources/beta-2019-07-23/reg/custom_panic/0.0.0:/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" "+beta-2019-07-23" "build" "--frozen"`
[INFO] [stdout] 689db5fd8c84418c8dda4e3953f944c6e8b2f8283b0b86254fe4aa84a90e2d42
[INFO] running `"docker" "start" "-a" "689db5fd8c84418c8dda4e3953f944c6e8b2f8283b0b86254fe4aa84a90e2d42"`
[INFO] [stderr]    Compiling custom_panic v0.0.0 (/opt/crater/workdir)
[INFO] [stderr] warning: field is never used: `message`
[INFO] [stderr]  --> src/lib.rs:7:2
[INFO] [stderr]   |
[INFO] [stderr] 7 |     message: Option<String>,
[INFO] [stderr]   |     ^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stderr]   |
[INFO] [stderr]   = note: #[warn(dead_code)] on by default
[INFO] [stderr] 
[INFO] [stderr] warning: field is never used: `location`
[INFO] [stderr]  --> src/lib.rs:8:2
[INFO] [stderr]   |
[INFO] [stderr] 8 |     location: Option<ErrorLocation>,
[INFO] [stderr]   |     ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: field is never used: `file`
[INFO] [stderr]   --> src/lib.rs:12:2
[INFO] [stderr]    |
[INFO] [stderr] 12 |     file: String,
[INFO] [stderr]    |     ^^^^^^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: field is never used: `line`
[INFO] [stderr]   --> src/lib.rs:13:2
[INFO] [stderr]    |
[INFO] [stderr] 13 |     line: u32,
[INFO] [stderr]    |     ^^^^^^^^^
[INFO] [stderr] 
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 0.72s
[INFO] running `"docker" "inspect" "689db5fd8c84418c8dda4e3953f944c6e8b2f8283b0b86254fe4aa84a90e2d42"`
[INFO] running `"docker" "rm" "-f" "689db5fd8c84418c8dda4e3953f944c6e8b2f8283b0b86254fe4aa84a90e2d42"`
[INFO] [stdout] 689db5fd8c84418c8dda4e3953f944c6e8b2f8283b0b86254fe4aa84a90e2d42
[INFO] running `"docker" "create" "-v" "/mnt/big/crater/work/local/target-dirs/beta-1.37-6/worker-5/beta-2019-07-23:/opt/crater/target:rw,Z" "-v" "/mnt/big/crater/work/ex/beta-1.37-6/sources/beta-2019-07-23/reg/custom_panic/0.0.0:/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" "+beta-2019-07-23" "test" "--frozen" "--no-run"`
[INFO] [stdout] 5f122f7940a0888ba2848cbadf38c82de05d6c537648fe722e26082b24ccaf87
[INFO] running `"docker" "start" "-a" "5f122f7940a0888ba2848cbadf38c82de05d6c537648fe722e26082b24ccaf87"`
[INFO] [stderr]    Compiling custom_panic v0.0.0 (/opt/crater/workdir)
[INFO] [stderr] warning: field is never used: `message`
[INFO] [stderr]  --> src/lib.rs:7:2
[INFO] [stderr]   |
[INFO] [stderr] 7 |     message: Option<String>,
[INFO] [stderr]   |     ^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stderr]   |
[INFO] [stderr]   = note: #[warn(dead_code)] on by default
[INFO] [stderr] 
[INFO] [stderr] warning: field is never used: `location`
[INFO] [stderr]  --> src/lib.rs:8:2
[INFO] [stderr]   |
[INFO] [stderr] 8 |     location: Option<ErrorLocation>,
[INFO] [stderr]   |     ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: field is never used: `file`
[INFO] [stderr]   --> src/lib.rs:12:2
[INFO] [stderr]    |
[INFO] [stderr] 12 |     file: String,
[INFO] [stderr]    |     ^^^^^^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: field is never used: `line`
[INFO] [stderr]   --> src/lib.rs:13:2
[INFO] [stderr]    |
[INFO] [stderr] 13 |     line: u32,
[INFO] [stderr]    |     ^^^^^^^^^
[INFO] [stderr] 
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 0.56s
[INFO] running `"docker" "inspect" "5f122f7940a0888ba2848cbadf38c82de05d6c537648fe722e26082b24ccaf87"`
[INFO] running `"docker" "rm" "-f" "5f122f7940a0888ba2848cbadf38c82de05d6c537648fe722e26082b24ccaf87"`
[INFO] [stdout] 5f122f7940a0888ba2848cbadf38c82de05d6c537648fe722e26082b24ccaf87
[INFO] running `"docker" "create" "-v" "/mnt/big/crater/work/local/target-dirs/beta-1.37-6/worker-5/beta-2019-07-23:/opt/crater/target:rw,Z" "-v" "/mnt/big/crater/work/ex/beta-1.37-6/sources/beta-2019-07-23/reg/custom_panic/0.0.0:/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" "+beta-2019-07-23" "test" "--frozen"`
[INFO] [stdout] cbde833daacb8bc8de28c8f4a8b3dcc633bfd531ccddbbe0b18301e7ba64742f
[INFO] running `"docker" "start" "-a" "cbde833daacb8bc8de28c8f4a8b3dcc633bfd531ccddbbe0b18301e7ba64742f"`
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 0.01s
[INFO] [stderr]      Running /opt/crater/target/debug/deps/custom_panic-920325d81aaae92c
[INFO] [stderr]      Running /opt/crater/target/debug/deps/custom_panic-ac4fbedfbe25a327
[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] [stderr]    Doc-tests custom_panic
[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" "cbde833daacb8bc8de28c8f4a8b3dcc633bfd531ccddbbe0b18301e7ba64742f"`
[INFO] running `"docker" "rm" "-f" "cbde833daacb8bc8de28c8f4a8b3dcc633bfd531ccddbbe0b18301e7ba64742f"`
[INFO] [stdout] cbde833daacb8bc8de28c8f4a8b3dcc633bfd531ccddbbe0b18301e7ba64742f