[INFO] fetching crate tinydb 1.0.0...
[INFO] testing tinydb-1.0.0 against 1.91.0 for beta-1.92-2
[INFO] extracting crate tinydb 1.0.0 into /workspace/builds/worker-0-tc1/source
[INFO] started tweaking crates.io crate tinydb 1.0.0
[INFO] finished tweaking crates.io crate tinydb 1.0.0
[INFO] tweaked toml for crates.io crate tinydb 1.0.0 written to /workspace/builds/worker-0-tc1/source/Cargo.toml
[INFO] validating manifest of crates.io crate tinydb 1.0.0 on toolchain 1.91.0
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+1.91.0" "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" "+1.91.0" "generate-lockfile" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] [stderr]     Updating crates.io index
[INFO] [stderr]      Locking 8 packages to latest compatible versions
[INFO] [stderr]       Adding bincode v1.3.3 (available: v2.0.1)
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+1.91.0" "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@sha256:4848fb76d95f26979359cc7e45710b1dbc8f3acb7aeedee7c460d7702230f228" "/opt/rustwide/cargo-home/bin/cargo" "+1.91.0" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] 58cd6a03e3782806c563f3c8c571866ab563cfe6b305481b8bfcd8bb08b29122
[INFO] running `Command { std: "docker" "start" "-a" "58cd6a03e3782806c563f3c8c571866ab563cfe6b305481b8bfcd8bb08b29122", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "58cd6a03e3782806c563f3c8c571866ab563cfe6b305481b8bfcd8bb08b29122", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "58cd6a03e3782806c563f3c8c571866ab563cfe6b305481b8bfcd8bb08b29122", kill_on_drop: false }`
[INFO] [stdout] 58cd6a03e3782806c563f3c8c571866ab563cfe6b305481b8bfcd8bb08b29122
[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@sha256:4848fb76d95f26979359cc7e45710b1dbc8f3acb7aeedee7c460d7702230f228" "/opt/rustwide/cargo-home/bin/cargo" "+1.91.0" "build" "--frozen" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] 10f7374fcd12766b2be390f3831c5519489fef41906de6173ea036e1513d59e6
[INFO] running `Command { std: "docker" "start" "-a" "10f7374fcd12766b2be390f3831c5519489fef41906de6173ea036e1513d59e6", kill_on_drop: false }`
[INFO] [stderr]    Compiling serde v1.0.228
[INFO] [stderr]    Compiling bincode v1.3.3
[INFO] [stderr]    Compiling tinydb v1.0.0 (/opt/rustwide/workdir)
[INFO] [stderr]     Finished `dev` profile [unoptimized + debuginfo] target(s) in 1.64s
[INFO] running `Command { std: "docker" "inspect" "10f7374fcd12766b2be390f3831c5519489fef41906de6173ea036e1513d59e6", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "10f7374fcd12766b2be390f3831c5519489fef41906de6173ea036e1513d59e6", kill_on_drop: false }`
[INFO] [stdout] 10f7374fcd12766b2be390f3831c5519489fef41906de6173ea036e1513d59e6
[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@sha256:4848fb76d95f26979359cc7e45710b1dbc8f3acb7aeedee7c460d7702230f228" "/opt/rustwide/cargo-home/bin/cargo" "+1.91.0" "test" "--frozen" "--no-run" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] e0310dbe15b160f7cb3df06512f46804e9fbc14a3a85925d77455a89220b84b0
[INFO] running `Command { std: "docker" "start" "-a" "e0310dbe15b160f7cb3df06512f46804e9fbc14a3a85925d77455a89220b84b0", kill_on_drop: false }`
[INFO] [stderr]    Compiling tinydb v1.0.0 (/opt/rustwide/workdir)
[INFO] [stderr]     Finished `test` profile [unoptimized + debuginfo] target(s) in 0.89s
[INFO] running `Command { std: "docker" "inspect" "e0310dbe15b160f7cb3df06512f46804e9fbc14a3a85925d77455a89220b84b0", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "e0310dbe15b160f7cb3df06512f46804e9fbc14a3a85925d77455a89220b84b0", kill_on_drop: false }`
[INFO] [stdout] e0310dbe15b160f7cb3df06512f46804e9fbc14a3a85925d77455a89220b84b0
[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@sha256:4848fb76d95f26979359cc7e45710b1dbc8f3acb7aeedee7c460d7702230f228" "/opt/rustwide/cargo-home/bin/cargo" "+1.91.0" "test" "--frozen", kill_on_drop: false }`
[INFO] [stdout] 12522a3c3b9bc2616b0f6961fa5de461ba017437619495237fd238576ef3bc80
[INFO] running `Command { std: "docker" "start" "-a" "12522a3c3b9bc2616b0f6961fa5de461ba017437619495237fd238576ef3bc80", kill_on_drop: false }`
[INFO] [stderr]     Finished `test` profile [unoptimized + debuginfo] target(s) in 0.05s
[INFO] [stderr]      Running unittests src/lib.rs (/opt/rustwide/target/debug/deps/tinydb-0168d134a9c3e9a6)
[INFO] [stdout] 
[INFO] [stdout] running 7 tests
[INFO] [stdout] test tests::auto_from_creation ... ok
[INFO] [stdout] test tests::item_remove ... ok
[INFO] [stdout] test tests::query_item_db ... ok
[INFO] [stdout] test tests::db_from ... FAILED
[INFO] [stdout] test tests::db_contains ... ok
[INFO] [stdout] test tests::db_dump ... FAILED
[INFO] [stdout] test tests::item_add ... ok
[INFO] [stdout] 
[INFO] [stdout] failures:
[INFO] [stdout] 
[INFO] [stdout] ---- tests::db_from stdout ----
[INFO] [stdout] Error: IOError(Os { code: 30, kind: ReadOnlyFilesystem, message: "Read-only file system" })
[INFO] [stdout] 
[INFO] [stdout] ---- tests::db_dump stdout ----
[INFO] [stdout] Error: IOError(Os { code: 30, kind: ReadOnlyFilesystem, message: "Read-only file system" })
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] failures:
[INFO] [stdout]     tests::db_dump
[INFO] [stdout]     tests::db_from
[INFO] [stdout] 
[INFO] [stdout] test result: FAILED. 5 passed; 2 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" "12522a3c3b9bc2616b0f6961fa5de461ba017437619495237fd238576ef3bc80", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "12522a3c3b9bc2616b0f6961fa5de461ba017437619495237fd238576ef3bc80", kill_on_drop: false }`
[INFO] [stdout] 12522a3c3b9bc2616b0f6961fa5de461ba017437619495237fd238576ef3bc80