[INFO] fetching crate json-db 0.1.2...
[INFO] testing json-db-0.1.2 against 1.90.0 for beta-1.91-3
[INFO] extracting crate json-db 0.1.2 into /workspace/builds/worker-2-tc1/source
[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-2-tc1/source/Cargo.toml
[INFO] validating manifest of crates.io crate json-db 0.1.2 on toolchain 1.90.0
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+1.90.0" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }`
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+1.90.0" "generate-lockfile" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] [stderr]     Updating crates.io index
[INFO] [stderr]      Locking 11 packages to latest compatible versions
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+1.90.0" "fetch" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-2-tc1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-2-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:e90291280db7d1fac5b66fc6dad9f9662629e7365a55743daf9bdf73ebc4ea79" "/opt/rustwide/cargo-home/bin/cargo" "+1.90.0" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] 78e9d43a39f78b7173f9fd99e6ef23063d4c1c56640ed954da7237c6164b4204
[INFO] running `Command { std: "docker" "start" "-a" "78e9d43a39f78b7173f9fd99e6ef23063d4c1c56640ed954da7237c6164b4204", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "78e9d43a39f78b7173f9fd99e6ef23063d4c1c56640ed954da7237c6164b4204", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "78e9d43a39f78b7173f9fd99e6ef23063d4c1c56640ed954da7237c6164b4204", kill_on_drop: false }`
[INFO] [stdout] 78e9d43a39f78b7173f9fd99e6ef23063d4c1c56640ed954da7237c6164b4204
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-2-tc1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-2-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:e90291280db7d1fac5b66fc6dad9f9662629e7365a55743daf9bdf73ebc4ea79" "/opt/rustwide/cargo-home/bin/cargo" "+1.90.0" "build" "--frozen" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] 037c31ca8e6d9b817ad5361dc53ee50b84d9819425a1890e416d3a403adaa17b
[INFO] running `Command { std: "docker" "start" "-a" "037c31ca8e6d9b817ad5361dc53ee50b84d9819425a1890e416d3a403adaa17b", kill_on_drop: false }`
[INFO] [stderr]    Compiling proc-macro2 v1.0.101
[INFO] [stderr]    Compiling quote v1.0.41
[INFO] [stderr]    Compiling memchr v2.7.6
[INFO] [stderr]    Compiling serde_json v1.0.145
[INFO] [stderr]    Compiling syn v2.0.106
[INFO] [stderr]    Compiling serde_derive v1.0.228
[INFO] [stderr]    Compiling serde v1.0.228
[INFO] [stderr]    Compiling json-db v0.1.2 (/opt/rustwide/workdir)
[INFO] [stderr]     Finished `dev` profile [unoptimized + debuginfo] target(s) in 6.57s
[INFO] running `Command { std: "docker" "inspect" "037c31ca8e6d9b817ad5361dc53ee50b84d9819425a1890e416d3a403adaa17b", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "037c31ca8e6d9b817ad5361dc53ee50b84d9819425a1890e416d3a403adaa17b", kill_on_drop: false }`
[INFO] [stdout] 037c31ca8e6d9b817ad5361dc53ee50b84d9819425a1890e416d3a403adaa17b
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-2-tc1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-2-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:e90291280db7d1fac5b66fc6dad9f9662629e7365a55743daf9bdf73ebc4ea79" "/opt/rustwide/cargo-home/bin/cargo" "+1.90.0" "test" "--frozen" "--no-run" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] 1c035271a3381c5688d5d57f3311792050c4b06688fb6e6779ecccd68d499045
[INFO] running `Command { std: "docker" "start" "-a" "1c035271a3381c5688d5d57f3311792050c4b06688fb6e6779ecccd68d499045", kill_on_drop: false }`
[INFO] [stderr]    Compiling json-db v0.1.2 (/opt/rustwide/workdir)
[INFO] [stderr]     Finished `test` profile [unoptimized + debuginfo] target(s) in 0.42s
[INFO] running `Command { std: "docker" "inspect" "1c035271a3381c5688d5d57f3311792050c4b06688fb6e6779ecccd68d499045", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "1c035271a3381c5688d5d57f3311792050c4b06688fb6e6779ecccd68d499045", kill_on_drop: false }`
[INFO] [stdout] 1c035271a3381c5688d5d57f3311792050c4b06688fb6e6779ecccd68d499045
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-2-tc1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-2-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:e90291280db7d1fac5b66fc6dad9f9662629e7365a55743daf9bdf73ebc4ea79" "/opt/rustwide/cargo-home/bin/cargo" "+1.90.0" "test" "--frozen", kill_on_drop: false }`
[INFO] [stdout] 76a17ef432f93569bc839f62c86f3781c0b36b75ed2ef9b02c855e135d14284e
[INFO] running `Command { std: "docker" "start" "-a" "76a17ef432f93569bc839f62c86f3781c0b36b75ed2ef9b02c855e135d14284e", kill_on_drop: false }`
[INFO] [stderr]     Finished `test` profile [unoptimized + debuginfo] target(s) in 0.03s
[INFO] [stderr]      Running unittests src/lib.rs (/opt/rustwide/target/debug/deps/json_db-98229a58037c4c80)
[INFO] [stdout] 
[INFO] [stdout] running 6 tests
[INFO] [stdout] test test::tests::json_db::write ... FAILED
[INFO] [stderr] error: test failed, to rerun pass `--lib`
[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::init ... ok
[INFO] [stdout] test test::tests::json_db::create_collection ... ok
[INFO] [stdout] test test::tests::json_db::read ... FAILED
[INFO] [stdout] 
[INFO] [stdout] failures:
[INFO] [stdout] 
[INFO] [stdout] ---- test::tests::json_db::write stdout ----
[INFO] [stdout] Error: Os { code: 2, kind: NotFound, message: "No such file or directory" }
[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]     test::tests::json_db::write
[INFO] [stdout] 
[INFO] [stdout] test result: FAILED. 2 passed; 4 failed; 0 ignored; 0 measured; 0 filtered out; finished in 0.01s
[INFO] [stdout] 
[INFO] running `Command { std: "docker" "inspect" "76a17ef432f93569bc839f62c86f3781c0b36b75ed2ef9b02c855e135d14284e", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "76a17ef432f93569bc839f62c86f3781c0b36b75ed2ef9b02c855e135d14284e", kill_on_drop: false }`
[INFO] [stdout] 76a17ef432f93569bc839f62c86f3781c0b36b75ed2ef9b02c855e135d14284e