[INFO] cloning repository https://github.com/andyeko/rust-in_memory_db
[INFO] running `Command { std: "git" "-c" "credential.helper=" "-c" "credential.helper=/workspace/cargo-home/bin/git-credential-null" "clone" "--bare" "https://github.com/andyeko/rust-in_memory_db" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fandyeko%2Frust-in_memory_db", kill_on_drop: false }`
[INFO] [stderr] Cloning into bare repository '/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fandyeko%2Frust-in_memory_db'...
[INFO] running `Command { std: "git" "rev-parse" "HEAD", kill_on_drop: false }`
[INFO] [stdout] 3f5d2874eb840f83a6e59680895f2aafb816be37
[INFO] testing andyeko/rust-in_memory_db against master#562dee4820c458d823175268e41601d4c060588a for pr-154210-1
[INFO] running `Command { std: "git" "clone" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fandyeko%2Frust-in_memory_db" "/workspace/builds/worker-0-tc1/source", kill_on_drop: false }`
[INFO] [stderr] Cloning into '/workspace/builds/worker-0-tc1/source'...
[INFO] [stderr] done.
[INFO] started tweaking git repo https://github.com/andyeko/rust-in_memory_db
[INFO] finished tweaking git repo https://github.com/andyeko/rust-in_memory_db
[INFO] tweaked toml for git repo https://github.com/andyeko/rust-in_memory_db written to /workspace/builds/worker-0-tc1/source/Cargo.toml
[INFO] validating manifest of git repo https://github.com/andyeko/rust-in_memory_db on toolchain 562dee4820c458d823175268e41601d4c060588a
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+562dee4820c458d823175268e41601d4c060588a" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }`
[INFO] crate git repo https://github.com/andyeko/rust-in_memory_db already has a lockfile, it will not be regenerated
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+562dee4820c458d823175268e41601d4c060588a" "fetch" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-0-tc1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-0-tc1/source:/opt/rustwide/workdir:ro,Z" "-v" "/var/lib/crater-agent-workspace/cargo-home:/opt/rustwide/cargo-home:ro,Z" "-v" "/var/lib/crater-agent-workspace/rustup-home:/opt/rustwide/rustup-home:ro,Z" "-e" "SOURCE_DIR=/opt/rustwide/workdir" "-e" "CARGO_TARGET_DIR=/opt/rustwide/target" "-e" "CARGO_HOME=/opt/rustwide/cargo-home" "-e" "RUSTUP_HOME=/opt/rustwide/rustup-home" "-w" "/opt/rustwide/workdir" "-m" "1610612736" "--user" "0:0" "--network" "none" "ghcr.io/rust-lang/crates-build-env/linux@sha256:d429b63d4308055ea97f60fb1d3dfca48854a00942f1bd2ad806beaf015945ec" "/opt/rustwide/cargo-home/bin/cargo" "+562dee4820c458d823175268e41601d4c060588a" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] b241ac28458fc5bd11a163a42e3e4cfbb74f7b7214174565579eed4ade7ce465
[INFO] running `Command { std: "docker" "start" "-a" "b241ac28458fc5bd11a163a42e3e4cfbb74f7b7214174565579eed4ade7ce465", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "b241ac28458fc5bd11a163a42e3e4cfbb74f7b7214174565579eed4ade7ce465", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "b241ac28458fc5bd11a163a42e3e4cfbb74f7b7214174565579eed4ade7ce465", kill_on_drop: false }`
[INFO] [stdout] b241ac28458fc5bd11a163a42e3e4cfbb74f7b7214174565579eed4ade7ce465
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-0-tc1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-0-tc1/source:/opt/rustwide/workdir:ro,Z" "-v" "/var/lib/crater-agent-workspace/cargo-home:/opt/rustwide/cargo-home:ro,Z" "-v" "/var/lib/crater-agent-workspace/rustup-home:/opt/rustwide/rustup-home:ro,Z" "-e" "SOURCE_DIR=/opt/rustwide/workdir" "-e" "CARGO_TARGET_DIR=/opt/rustwide/target" "-e" "CARGO_INCREMENTAL=0" "-e" "RUST_BACKTRACE=full" "-e" "RUSTFLAGS=--cap-lints=forbid" "-e" "RUSTDOCFLAGS=--cap-lints=forbid" "-e" "CARGO_HOME=/opt/rustwide/cargo-home" "-e" "RUSTUP_HOME=/opt/rustwide/rustup-home" "-w" "/opt/rustwide/workdir" "-m" "1610612736" "--user" "0:0" "--network" "none" "ghcr.io/rust-lang/crates-build-env/linux@sha256:d429b63d4308055ea97f60fb1d3dfca48854a00942f1bd2ad806beaf015945ec" "/opt/rustwide/cargo-home/bin/cargo" "+562dee4820c458d823175268e41601d4c060588a" "build" "--frozen" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] 4ebc43b011696a3d8632653da15b1a76386a8d6d491aeea28c7ef08801633a90
[INFO] running `Command { std: "docker" "start" "-a" "4ebc43b011696a3d8632653da15b1a76386a8d6d491aeea28c7ef08801633a90", kill_on_drop: false }`
[INFO] [stderr]    Compiling in_memory_db v0.1.0 (/opt/rustwide/workdir)
[INFO] [stderr]     Finished `dev` profile [unoptimized + debuginfo] target(s) in 0.51s
[INFO] running `Command { std: "docker" "inspect" "4ebc43b011696a3d8632653da15b1a76386a8d6d491aeea28c7ef08801633a90", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "4ebc43b011696a3d8632653da15b1a76386a8d6d491aeea28c7ef08801633a90", kill_on_drop: false }`
[INFO] [stdout] 4ebc43b011696a3d8632653da15b1a76386a8d6d491aeea28c7ef08801633a90
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-0-tc1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-0-tc1/source:/opt/rustwide/workdir:ro,Z" "-v" "/var/lib/crater-agent-workspace/cargo-home:/opt/rustwide/cargo-home:ro,Z" "-v" "/var/lib/crater-agent-workspace/rustup-home:/opt/rustwide/rustup-home:ro,Z" "-e" "SOURCE_DIR=/opt/rustwide/workdir" "-e" "CARGO_TARGET_DIR=/opt/rustwide/target" "-e" "CARGO_INCREMENTAL=0" "-e" "RUST_BACKTRACE=full" "-e" "RUSTFLAGS=--cap-lints=forbid" "-e" "RUSTDOCFLAGS=--cap-lints=forbid" "-e" "CARGO_HOME=/opt/rustwide/cargo-home" "-e" "RUSTUP_HOME=/opt/rustwide/rustup-home" "-w" "/opt/rustwide/workdir" "-m" "1610612736" "--user" "0:0" "--network" "none" "ghcr.io/rust-lang/crates-build-env/linux@sha256:d429b63d4308055ea97f60fb1d3dfca48854a00942f1bd2ad806beaf015945ec" "/opt/rustwide/cargo-home/bin/cargo" "+562dee4820c458d823175268e41601d4c060588a" "test" "--frozen" "--no-run" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] 2d18a6be0c207b5969aee13ffe4a7b0e66af22789e7500cd7ebd427f0f42cf82
[INFO] running `Command { std: "docker" "start" "-a" "2d18a6be0c207b5969aee13ffe4a7b0e66af22789e7500cd7ebd427f0f42cf82", kill_on_drop: false }`
[INFO] [stderr]    Compiling in_memory_db v0.1.0 (/opt/rustwide/workdir)
[INFO] [stdout] warning: unused return value of `Box::<T>::from_raw` that must be used
[INFO] [stdout]    --> src/store.rs:277:18
[INFO] [stdout]     |
[INFO] [stdout] 277 |         unsafe { Box::from_raw(ptr); }
[INFO] [stdout]     |                  ^^^^^^^^^^^^^^^^^^
[INFO] [stdout]     |
[INFO] [stdout]     = note: call `drop(Box::from_raw(ptr))` if you intend to drop the `Box`
[INFO] [stdout]     = note: `#[warn(unused_must_use)]` (part of `#[warn(unused)]`) on by default
[INFO] [stdout] help: use `let _ = ...` to ignore the resulting value
[INFO] [stdout]     |
[INFO] [stdout] 277 |         unsafe { let _ = Box::from_raw(ptr); }
[INFO] [stdout]     |                  +++++++
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr]     Finished `test` profile [unoptimized + debuginfo] target(s) in 0.68s
[INFO] running `Command { std: "docker" "inspect" "2d18a6be0c207b5969aee13ffe4a7b0e66af22789e7500cd7ebd427f0f42cf82", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "2d18a6be0c207b5969aee13ffe4a7b0e66af22789e7500cd7ebd427f0f42cf82", kill_on_drop: false }`
[INFO] [stdout] 2d18a6be0c207b5969aee13ffe4a7b0e66af22789e7500cd7ebd427f0f42cf82
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-0-tc1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-0-tc1/source:/opt/rustwide/workdir:ro,Z" "-v" "/var/lib/crater-agent-workspace/cargo-home:/opt/rustwide/cargo-home:ro,Z" "-v" "/var/lib/crater-agent-workspace/rustup-home:/opt/rustwide/rustup-home:ro,Z" "-e" "SOURCE_DIR=/opt/rustwide/workdir" "-e" "CARGO_TARGET_DIR=/opt/rustwide/target" "-e" "CARGO_INCREMENTAL=0" "-e" "RUST_BACKTRACE=full" "-e" "RUSTFLAGS=--cap-lints=forbid" "-e" "RUSTDOCFLAGS=--cap-lints=forbid" "-e" "CARGO_HOME=/opt/rustwide/cargo-home" "-e" "RUSTUP_HOME=/opt/rustwide/rustup-home" "-w" "/opt/rustwide/workdir" "-m" "1610612736" "--user" "0:0" "--network" "none" "ghcr.io/rust-lang/crates-build-env/linux@sha256:d429b63d4308055ea97f60fb1d3dfca48854a00942f1bd2ad806beaf015945ec" "/opt/rustwide/cargo-home/bin/cargo" "+562dee4820c458d823175268e41601d4c060588a" "test" "--frozen", kill_on_drop: false }`
[INFO] [stdout] b6c8b19716a5d56f7c73b1f02c1abc6e378cfde1d34498e30e7458e6bcbb4c05
[INFO] running `Command { std: "docker" "start" "-a" "b6c8b19716a5d56f7c73b1f02c1abc6e378cfde1d34498e30e7458e6bcbb4c05", kill_on_drop: false }`
[INFO] [stderr] warning: unused return value of `Box::<T>::from_raw` that must be used
[INFO] [stderr]    --> src/store.rs:277:18
[INFO] [stderr]     |
[INFO] [stderr] 277 |         unsafe { Box::from_raw(ptr); }
[INFO] [stderr]     |                  ^^^^^^^^^^^^^^^^^^
[INFO] [stderr]     |
[INFO] [stderr]     = note: call `drop(Box::from_raw(ptr))` if you intend to drop the `Box`
[INFO] [stderr]     = note: `#[warn(unused_must_use)]` (part of `#[warn(unused)]`) on by default
[INFO] [stderr] help: use `let _ = ...` to ignore the resulting value
[INFO] [stderr]     |
[INFO] [stderr] 277 |         unsafe { let _ = Box::from_raw(ptr); }
[INFO] [stderr]     |                  +++++++
[INFO] [stderr] 
[INFO] [stderr] warning: `in_memory_db` (lib test) generated 1 warning
[INFO] [stderr]     Finished `test` profile [unoptimized + debuginfo] target(s) in 0.03s
[INFO] [stderr]      Running unittests src/lib.rs (/opt/rustwide/target/debug/deps/in_memory_db-253900cec627571c)
[INFO] [stdout] 
[INFO] [stdout] running 9 tests
[INFO] [stdout] test store::tests::test_get_nonexistent_key ... ok
[INFO] [stdout] test store::tests::test_new_store_is_empty ... ok
[INFO] [stdout] test store::tests::unsafe_concurrent_get_and_delete ... ignored
[INFO] [stdout] test store::tests::test_set_and_get ... ok
[INFO] [stdout] test store::tests::test_multiple_operations ... ok
[INFO] [stdout] test store::tests::test_delete_nonexistent_key ... ok
[INFO] [stdout] test store::tests::test_set_updates_existing_key ... ok
[INFO] [stdout] test store::tests::safe_concurrent_clone_and_delete ... ok
[INFO] [stderr]      Running unittests src/main.rs (/opt/rustwide/target/debug/deps/in_memory_db-fb445b8cd41c44ae)
[INFO] [stdout] test store::tests::test_delete_existing_key ... ok
[INFO] [stdout] 
[INFO] [stdout] test result: ok. 8 passed; 0 failed; 1 ignored; 0 measured; 0 filtered out; finished in 0.18s
[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; finished in 0.00s
[INFO] [stdout] 
[INFO] [stderr]      Running tests/integration.rs (/opt/rustwide/target/debug/deps/integration-3017c8f874f57a57)
[INFO] [stdout] 
[INFO] [stdout] running 10 tests
[INFO] [stderr]    Doc-tests in_memory_db
[INFO] [stdout] test test_basic_set_and_get ... ok
[INFO] [stdout] test test_delete_removes_key_and_returns_value ... ok
[INFO] [stdout] test test_delete_returns_none_for_missing_key ... ok
[INFO] [stdout] test test_default_constructor ... ok
[INFO] [stdout] test test_get_returns_none_for_missing_key ... ok
[INFO] [stdout] test test_len_and_is_empty ... ok
[INFO] [stdout] test test_multiple_keys ... ok
[INFO] [stdout] test test_ownership_delete_returns_owned_value ... ok
[INFO] [stdout] test test_set_overwrites_existing_value ... ok
[INFO] [stdout] test test_stress_many_operations ... ok
[INFO] [stdout] 
[INFO] [stdout] test result: ok. 10 passed; 0 failed; 0 ignored; 0 measured; 0 filtered out; finished in 0.01s
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] running 7 tests
[INFO] [stdout] test src/lib.rs - (line 14) ... ok
[INFO] [stdout] test src/store.rs - store::KeyValueStore::len (line 107) ... ok
[INFO] [stdout] test src/store.rs - store::KeyValueStore::is_empty (line 124) ... ok
[INFO] [stdout] test src/store.rs - store::KeyValueStore::new (line 19) ... ok
[INFO] [stdout] test src/store.rs - store::KeyValueStore::set (line 65) ... ok
[INFO] [stdout] test src/store.rs - store::KeyValueStore::get (line 41) ... ok
[INFO] [stdout] test src/store.rs - store::KeyValueStore::delete (line 89) ... ok
[INFO] [stdout] 
[INFO] [stdout] test result: ok. 7 passed; 0 failed; 0 ignored; 0 measured; 0 filtered out; finished in 0.73s
[INFO] [stdout] 
[INFO] running `Command { std: "docker" "inspect" "b6c8b19716a5d56f7c73b1f02c1abc6e378cfde1d34498e30e7458e6bcbb4c05", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "b6c8b19716a5d56f7c73b1f02c1abc6e378cfde1d34498e30e7458e6bcbb4c05", kill_on_drop: false }`
[INFO] [stdout] b6c8b19716a5d56f7c73b1f02c1abc6e378cfde1d34498e30e7458e6bcbb4c05