[INFO] fetching crate json-db 0.1.2...
[INFO] testing json-db-0.1.2 against 1.75.0 for beta-1.76-1
[INFO] extracting crate json-db 0.1.2 into /workspace/builds/worker-0-tc1/source
[INFO] validating manifest of crates.io crate json-db 0.1.2 on toolchain 1.75.0
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+1.75.0" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }`
[INFO] started tweaking crates.io crate json-db 0.1.2
[INFO] finished tweaking crates.io crate json-db 0.1.2
[INFO] tweaked toml for crates.io crate json-db 0.1.2 written to /workspace/builds/worker-0-tc1/source/Cargo.toml
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+1.75.0" "generate-lockfile" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] [stderr]     Updating crates.io index
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+1.75.0" "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@sha256:2788e3201cd34a07e3172128adcd8b3090168a8e3bcc40d7c032b9dda1df7d1c" "/opt/rustwide/cargo-home/bin/cargo" "+1.75.0" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] 654daef4316a931cb90ba0faabeabc1194bb6132810c193434dccae499b925ba
[INFO] running `Command { std: "docker" "start" "-a" "654daef4316a931cb90ba0faabeabc1194bb6132810c193434dccae499b925ba", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "654daef4316a931cb90ba0faabeabc1194bb6132810c193434dccae499b925ba", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "654daef4316a931cb90ba0faabeabc1194bb6132810c193434dccae499b925ba", kill_on_drop: false }`
[INFO] [stdout] 654daef4316a931cb90ba0faabeabc1194bb6132810c193434dccae499b925ba
[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=warn" "-e" "RUSTDOCFLAGS=--cap-lints=warn" "-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@sha256:2788e3201cd34a07e3172128adcd8b3090168a8e3bcc40d7c032b9dda1df7d1c" "/opt/rustwide/cargo-home/bin/cargo" "+1.75.0" "build" "--frozen" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] bf0983e0dccbf41bbf4927ac07add3da278ecee34362a2e8c5bc69df27c45d22
[INFO] running `Command { std: "docker" "start" "-a" "bf0983e0dccbf41bbf4927ac07add3da278ecee34362a2e8c5bc69df27c45d22", kill_on_drop: false }`
[INFO] [stderr]    Compiling serde_derive v1.0.194
[INFO] [stderr]    Compiling serde v1.0.194
[INFO] [stderr]    Compiling serde_json v1.0.111
[INFO] [stderr]    Compiling json-db v0.1.2 (/opt/rustwide/workdir)
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 5.06s
[INFO] running `Command { std: "docker" "inspect" "bf0983e0dccbf41bbf4927ac07add3da278ecee34362a2e8c5bc69df27c45d22", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "bf0983e0dccbf41bbf4927ac07add3da278ecee34362a2e8c5bc69df27c45d22", kill_on_drop: false }`
[INFO] [stdout] bf0983e0dccbf41bbf4927ac07add3da278ecee34362a2e8c5bc69df27c45d22
[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=warn" "-e" "RUSTDOCFLAGS=--cap-lints=warn" "-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@sha256:2788e3201cd34a07e3172128adcd8b3090168a8e3bcc40d7c032b9dda1df7d1c" "/opt/rustwide/cargo-home/bin/cargo" "+1.75.0" "test" "--frozen" "--no-run" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] b4cae71854a7b2d2ffd4fd8facd2b9f708ec7051dd61da4270623260c81f966c
[INFO] running `Command { std: "docker" "start" "-a" "b4cae71854a7b2d2ffd4fd8facd2b9f708ec7051dd61da4270623260c81f966c", kill_on_drop: false }`
[INFO] [stderr]    Compiling json-db v0.1.2 (/opt/rustwide/workdir)
[INFO] [stderr]     Finished test [unoptimized + debuginfo] target(s) in 0.40s
[INFO] running `Command { std: "docker" "inspect" "b4cae71854a7b2d2ffd4fd8facd2b9f708ec7051dd61da4270623260c81f966c", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "b4cae71854a7b2d2ffd4fd8facd2b9f708ec7051dd61da4270623260c81f966c", kill_on_drop: false }`
[INFO] [stdout] b4cae71854a7b2d2ffd4fd8facd2b9f708ec7051dd61da4270623260c81f966c
[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=warn" "-e" "RUSTDOCFLAGS=--cap-lints=warn" "-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@sha256:2788e3201cd34a07e3172128adcd8b3090168a8e3bcc40d7c032b9dda1df7d1c" "/opt/rustwide/cargo-home/bin/cargo" "+1.75.0" "test" "--frozen", kill_on_drop: false }`
[INFO] [stdout] 9ff75833a86345b8f54bee988418f784b38c3b7e075f8ec636781d32cd3af13e
[INFO] running `Command { std: "docker" "start" "-a" "9ff75833a86345b8f54bee988418f784b38c3b7e075f8ec636781d32cd3af13e", kill_on_drop: false }`
[INFO] [stderr]     Finished test [unoptimized + debuginfo] target(s) in 0.01s
[INFO] [stderr]      Running unittests src/lib.rs (/opt/rustwide/target/debug/deps/json_db-1a4e39d6a58f83c3)
[INFO] [stdout] 
[INFO] [stdout] running 6 tests
[INFO] [stdout] test test::tests::json_db::init ... ok
[INFO] [stdout] test test::tests::json_db::create_collection ... ok
[INFO] [stdout] test test::tests::json_db::delete ... FAILED
[INFO] [stdout] test test::tests::json_db::list ... FAILED
[INFO] [stdout] test test::tests::json_db::read ... FAILED
[INFO] [stdout] test test::tests::json_db::write ... ok
[INFO] [stdout] 
[INFO] [stdout] failures:
[INFO] [stdout] 
[INFO] [stdout] ---- test::tests::json_db::delete stdout ----
[INFO] [stdout] Error: Os { code: 2, kind: NotFound, message: "No such file or directory" }
[INFO] [stdout] 
[INFO] [stdout] ---- test::tests::json_db::list stdout ----
[INFO] [stdout] Error: Os { code: 2, kind: NotFound, message: "No such file or directory" }
[INFO] [stdout] 
[INFO] [stdout] ---- test::tests::json_db::read stdout ----
[INFO] [stdout] Error: Os { code: 2, kind: NotFound, message: "No such file or directory" }
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] failures:
[INFO] [stdout]     test::tests::json_db::delete
[INFO] [stdout]     test::tests::json_db::list
[INFO] [stdout]     test::tests::json_db::read
[INFO] [stdout] 
[INFO] [stdout] test result: FAILED. 3 passed; 3 failed; 0 ignored; 0 measured; 0 filtered out; finished in 0.00s
[INFO] [stdout] 
[INFO] [stderr] error: test failed, to rerun pass `--lib`
[INFO] running `Command { std: "docker" "inspect" "9ff75833a86345b8f54bee988418f784b38c3b7e075f8ec636781d32cd3af13e", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "9ff75833a86345b8f54bee988418f784b38c3b7e075f8ec636781d32cd3af13e", kill_on_drop: false }`
[INFO] [stdout] 9ff75833a86345b8f54bee988418f784b38c3b7e075f8ec636781d32cd3af13e
