Nov 16 19:36:08.884 INFO testing mike706574/rust-json-file-deserialization-example against master#6b9b97bd9b704f85f0184f7a213cc4d62bd9654c for pr-55982
Nov 16 19:36:08.884 INFO running `"docker" "create" "-v" "/mnt/big/crater/work/local/target-dirs/pr-55982/worker-6/master#6b9b97bd9b704f85f0184f7a213cc4d62bd9654c:/target:rw,Z" "-v" "/mnt/big/crater/work/local/test-source/worker-6/pr-55982/master#6b9b97bd9b704f85f0184f7a213cc4d62bd9654c:/source:ro,Z" "-v" "/mnt/big/crater/work/local/cargo-home:/cargo-home:ro,Z" "-v" "/mnt/big/crater/work/local/rustup-home:/rustup-home:ro,Z" "-e" "USER_ID=1000" "-e" "SOURCE_DIR=/source" "-e" "USER_ID=1000" "-e" "CMD=cargo +6b9b97bd9b704f85f0184f7a213cc4d62bd9654c-alt build --frozen" "-e" "CARGO_TARGET_DIR=/target" "-e" "CARGO_INCREMENTAL=0" "-e" "RUST_BACKTRACE=full" "-e" "RUSTFLAGS=--cap-lints=forbid" "-e" "CARGO_HOME=/cargo-home" "-e" "RUSTUP_HOME=/rustup-home" "-m" "1536M" "--network" "none" "crater"`
Nov 16 19:36:09.111 INFO [stdout] 3d76811a3924fe2ac515e5744dda5a07c50d44bfae56ce8d7c95cc8a310992ba
Nov 16 19:36:09.117 INFO running `"docker" "start" "-a" "3d76811a3924fe2ac515e5744dda5a07c50d44bfae56ce8d7c95cc8a310992ba"`
Nov 16 19:36:09.747 INFO [stderr] usermod: no changes
Nov 16 19:36:09.843 INFO [stderr]    Compiling serde v1.0.10
Nov 16 19:36:09.873 INFO [stderr]    Compiling serde_derive v1.0.10
Nov 16 19:36:24.224 INFO [stderr]    Compiling serde_json v1.0.2
Nov 16 19:36:27.723 INFO [stderr]    Compiling foo v0.1.0 (/source)
Nov 16 19:36:28.240 INFO [stderr] warning: unused `std::result::Result` that must be used
Nov 16 19:36:28.240 INFO [stderr]   --> src/main.rs:26:5
Nov 16 19:36:28.240 INFO [stderr]    |
Nov 16 19:36:28.241 INFO [stderr] 26 |     example();
Nov 16 19:36:28.247 INFO [stderr]    |     ^^^^^^^^^^
Nov 16 19:36:28.247 INFO [stderr]    |
Nov 16 19:36:28.247 INFO [stderr]    = note: #[warn(unused_must_use)] on by default
Nov 16 19:36:28.248 INFO [stderr]    = note: this `Result` may be an `Err` variant, which should be handled
Nov 16 19:36:28.248 INFO [stderr] 
Nov 16 19:36:29.408 INFO [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 19.65s
Nov 16 19:36:29.413 INFO [stderr] su: No module specific data is present
Nov 16 19:36:30.547 INFO running `"docker" "inspect" "3d76811a3924fe2ac515e5744dda5a07c50d44bfae56ce8d7c95cc8a310992ba"`
Nov 16 19:36:30.869 INFO running `"docker" "rm" "-f" "3d76811a3924fe2ac515e5744dda5a07c50d44bfae56ce8d7c95cc8a310992ba"`
Nov 16 19:36:31.266 INFO [stdout] 3d76811a3924fe2ac515e5744dda5a07c50d44bfae56ce8d7c95cc8a310992ba
Nov 16 19:36:31.270 INFO running `"docker" "create" "-v" "/mnt/big/crater/work/local/target-dirs/pr-55982/worker-6/master#6b9b97bd9b704f85f0184f7a213cc4d62bd9654c:/target:rw,Z" "-v" "/mnt/big/crater/work/local/test-source/worker-6/pr-55982/master#6b9b97bd9b704f85f0184f7a213cc4d62bd9654c:/source:ro,Z" "-v" "/mnt/big/crater/work/local/cargo-home:/cargo-home:ro,Z" "-v" "/mnt/big/crater/work/local/rustup-home:/rustup-home:ro,Z" "-e" "USER_ID=1000" "-e" "SOURCE_DIR=/source" "-e" "USER_ID=1000" "-e" "CMD=cargo +6b9b97bd9b704f85f0184f7a213cc4d62bd9654c-alt test --frozen --no-run" "-e" "CARGO_TARGET_DIR=/target" "-e" "CARGO_INCREMENTAL=0" "-e" "RUST_BACKTRACE=full" "-e" "RUSTFLAGS=--cap-lints=forbid" "-e" "CARGO_HOME=/cargo-home" "-e" "RUSTUP_HOME=/rustup-home" "-m" "1536M" "--network" "none" "crater"`
Nov 16 19:36:31.681 INFO [stdout] 1902806f6b2a70d21f7d50baf44a9b9f5802838a21e3730a519ba75402f979a2
Nov 16 19:36:31.685 INFO running `"docker" "start" "-a" "1902806f6b2a70d21f7d50baf44a9b9f5802838a21e3730a519ba75402f979a2"`
Nov 16 19:36:33.171 INFO [stderr] usermod: no changes
Nov 16 19:36:33.291 INFO [stderr]    Compiling foo v0.1.0 (/source)
Nov 16 19:36:33.907 INFO [stderr] warning: unused `std::result::Result` that must be used
Nov 16 19:36:33.908 INFO [stderr]   --> src/main.rs:26:5
Nov 16 19:36:33.908 INFO [stderr]    |
Nov 16 19:36:33.908 INFO [stderr] 26 |     example();
Nov 16 19:36:33.909 INFO [stderr]    |     ^^^^^^^^^^
Nov 16 19:36:33.909 INFO [stderr]    |
Nov 16 19:36:33.910 INFO [stderr]    = note: #[warn(unused_must_use)] on by default
Nov 16 19:36:33.911 INFO [stderr]    = note: this `Result` may be an `Err` variant, which should be handled
Nov 16 19:36:33.911 INFO [stderr] 
Nov 16 19:36:34.279 INFO [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 1.08s
Nov 16 19:36:34.287 INFO [stderr] su: No module specific data is present
Nov 16 19:36:35.622 INFO running `"docker" "inspect" "1902806f6b2a70d21f7d50baf44a9b9f5802838a21e3730a519ba75402f979a2"`
Nov 16 19:36:35.977 INFO running `"docker" "rm" "-f" "1902806f6b2a70d21f7d50baf44a9b9f5802838a21e3730a519ba75402f979a2"`
Nov 16 19:36:36.397 INFO [stdout] 1902806f6b2a70d21f7d50baf44a9b9f5802838a21e3730a519ba75402f979a2
Nov 16 19:36:36.405 INFO running `"docker" "create" "-v" "/mnt/big/crater/work/local/target-dirs/pr-55982/worker-6/master#6b9b97bd9b704f85f0184f7a213cc4d62bd9654c:/target:rw,Z" "-v" "/mnt/big/crater/work/local/test-source/worker-6/pr-55982/master#6b9b97bd9b704f85f0184f7a213cc4d62bd9654c:/source:ro,Z" "-v" "/mnt/big/crater/work/local/cargo-home:/cargo-home:ro,Z" "-v" "/mnt/big/crater/work/local/rustup-home:/rustup-home:ro,Z" "-e" "USER_ID=1000" "-e" "SOURCE_DIR=/source" "-e" "USER_ID=1000" "-e" "CMD=cargo +6b9b97bd9b704f85f0184f7a213cc4d62bd9654c-alt test --frozen" "-e" "CARGO_TARGET_DIR=/target" "-e" "CARGO_INCREMENTAL=0" "-e" "RUST_BACKTRACE=full" "-e" "RUSTFLAGS=--cap-lints=forbid" "-e" "CARGO_HOME=/cargo-home" "-e" "RUSTUP_HOME=/rustup-home" "-m" "1536M" "--network" "none" "crater"`
Nov 16 19:36:36.835 INFO [stdout] 3117d45bd6b937b8548b588f27ab5eb45148308de0854c4c1b096e04ff46bd6b
Nov 16 19:36:36.838 INFO running `"docker" "start" "-a" "3117d45bd6b937b8548b588f27ab5eb45148308de0854c4c1b096e04ff46bd6b"`
Nov 16 19:36:39.386 INFO [stderr] usermod: no changes
Nov 16 19:36:39.473 INFO [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 0.06s
Nov 16 19:36:39.494 INFO [stderr]      Running /target/debug/deps/foo-3d3fb627de2e5179
Nov 16 19:36:39.495 INFO [stdout] 
Nov 16 19:36:39.495 INFO [stdout] running 0 tests
Nov 16 19:36:39.495 INFO [stdout] 
Nov 16 19:36:39.495 INFO [stdout] test result: ok. 0 passed; 0 failed; 0 ignored; 0 measured; 0 filtered out
Nov 16 19:36:39.495 INFO [stdout] 
Nov 16 19:36:39.498 INFO [stderr] su: No module specific data is present
Nov 16 19:36:41.079 INFO running `"docker" "inspect" "3117d45bd6b937b8548b588f27ab5eb45148308de0854c4c1b096e04ff46bd6b"`
Nov 16 19:36:41.381 INFO running `"docker" "rm" "-f" "3117d45bd6b937b8548b588f27ab5eb45148308de0854c4c1b096e04ff46bd6b"`
Nov 16 19:36:41.731 INFO [stdout] 3117d45bd6b937b8548b588f27ab5eb45148308de0854c4c1b096e04ff46bd6b