[INFO] cloning repository https://github.com/andyjsbell/bitcask
[INFO] running `Command { std: "git" "-c" "credential.helper=" "-c" "credential.helper=/workspace/cargo-home/bin/git-credential-null" "clone" "--bare" "https://github.com/andyjsbell/bitcask" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fandyjsbell%2Fbitcask", kill_on_drop: false }`
[INFO] [stderr] Cloning into bare repository '/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fandyjsbell%2Fbitcask'...
[INFO] running `Command { std: "git" "rev-parse" "HEAD", kill_on_drop: false }`
[INFO] [stdout] 6e93ba9f3b15ea9a9ea3dd7428e86fd71e544961
[INFO] testing andyjsbell/bitcask against master#733b47ea4b1b86216f14ef56e49440c33933f230+rustflags=-Copt-level=3 for pr-138759
[INFO] running `Command { std: "git" "clone" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fandyjsbell%2Fbitcask" "/workspace/builds/worker-2-tc2/source", kill_on_drop: false }`
[INFO] [stderr] Cloning into '/workspace/builds/worker-2-tc2/source'...
[INFO] [stderr] done.
[INFO] started tweaking git repo https://github.com/andyjsbell/bitcask
[INFO] finished tweaking git repo https://github.com/andyjsbell/bitcask
[INFO] tweaked toml for git repo https://github.com/andyjsbell/bitcask written to /workspace/builds/worker-2-tc2/source/Cargo.toml
[INFO] validating manifest of git repo https://github.com/andyjsbell/bitcask on toolchain 733b47ea4b1b86216f14ef56e49440c33933f230
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+733b47ea4b1b86216f14ef56e49440c33933f230" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }`
[INFO] crate git repo https://github.com/andyjsbell/bitcask 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" "+733b47ea4b1b86216f14ef56e49440c33933f230" "fetch" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-2-tc2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-2-tc2/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" "+733b47ea4b1b86216f14ef56e49440c33933f230" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] 70162d20c316e58110903f6f7aee7c1d6155d4072d01a589042cc3a998715146
[INFO] running `Command { std: "docker" "start" "-a" "70162d20c316e58110903f6f7aee7c1d6155d4072d01a589042cc3a998715146", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "70162d20c316e58110903f6f7aee7c1d6155d4072d01a589042cc3a998715146", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "70162d20c316e58110903f6f7aee7c1d6155d4072d01a589042cc3a998715146", kill_on_drop: false }`
[INFO] [stdout] 70162d20c316e58110903f6f7aee7c1d6155d4072d01a589042cc3a998715146
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-2-tc2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-2-tc2/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 -Copt-level=3" "-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:e90291280db7d1fac5b66fc6dad9f9662629e7365a55743daf9bdf73ebc4ea79" "/opt/rustwide/cargo-home/bin/cargo" "+733b47ea4b1b86216f14ef56e49440c33933f230" "build" "--frozen" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] 0865239c38f7cbbf13fde6c9e5dbe860c5fc61396d82b8a1436a83ee6f592faf
[INFO] running `Command { std: "docker" "start" "-a" "0865239c38f7cbbf13fde6c9e5dbe860c5fc61396d82b8a1436a83ee6f592faf", kill_on_drop: false }`
[INFO] [stderr]    Compiling regex-syntax v0.8.6
[INFO] [stderr]    Compiling rustix v1.1.2
[INFO] [stderr]    Compiling serde_core v1.0.223
[INFO] [stderr]    Compiling aho-corasick v1.1.3
[INFO] [stderr]    Compiling serde v1.0.223
[INFO] [stderr]    Compiling log v0.4.28
[INFO] [stderr]    Compiling linux-raw-sys v0.11.0
[INFO] [stderr]    Compiling bitflags v2.9.4
[INFO] [stderr]    Compiling quote v1.0.40
[INFO] [stderr]    Compiling anstream v0.6.20
[INFO] [stderr]    Compiling jiff v0.2.15
[INFO] [stderr]    Compiling syn v2.0.106
[INFO] [stderr]    Compiling regex-automata v0.4.10
[INFO] [stderr]    Compiling tempfile v3.22.0
[INFO] [stderr]    Compiling serde_derive v1.0.223
[INFO] [stderr]    Compiling regex v1.11.2
[INFO] [stderr]    Compiling env_filter v0.1.3
[INFO] [stderr]    Compiling env_logger v0.11.8
[INFO] [stderr]    Compiling bitcask v0.1.0 (/opt/rustwide/workdir)
[INFO] [stderr]     Finished `dev` profile [unoptimized + debuginfo] target(s) in 1m 11s
[INFO] running `Command { std: "docker" "inspect" "0865239c38f7cbbf13fde6c9e5dbe860c5fc61396d82b8a1436a83ee6f592faf", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "0865239c38f7cbbf13fde6c9e5dbe860c5fc61396d82b8a1436a83ee6f592faf", kill_on_drop: false }`
[INFO] [stdout] 0865239c38f7cbbf13fde6c9e5dbe860c5fc61396d82b8a1436a83ee6f592faf
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-2-tc2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-2-tc2/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 -Copt-level=3" "-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:e90291280db7d1fac5b66fc6dad9f9662629e7365a55743daf9bdf73ebc4ea79" "/opt/rustwide/cargo-home/bin/cargo" "+733b47ea4b1b86216f14ef56e49440c33933f230" "test" "--frozen" "--no-run" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] 837143474d3138a93ee0ed6659235bb8a0eb545940adf5a1348934dc29a87e6f
[INFO] running `Command { std: "docker" "start" "-a" "837143474d3138a93ee0ed6659235bb8a0eb545940adf5a1348934dc29a87e6f", kill_on_drop: false }`
[INFO] [stderr]    Compiling bitcask v0.1.0 (/opt/rustwide/workdir)
[INFO] [stdout] warning: variable does not need to be mutable
[INFO] [stdout]     --> src/tests.rs:1868:13
[INFO] [stdout]      |
[INFO] [stdout] 1868 |         let mut db = Bitcask::open(temp_dir.path()).unwrap();
[INFO] [stdout]      |             ----^^
[INFO] [stdout]      |             |
[INFO] [stdout]      |             help: remove this `mut`
[INFO] [stdout]      |
[INFO] [stdout]      = note: `#[warn(unused_mut)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: variable does not need to be mutable
[INFO] [stdout]     --> src/tests.rs:1886:13
[INFO] [stdout]      |
[INFO] [stdout] 1886 |         let mut db = Bitcask::open(temp_dir.path()).unwrap();
[INFO] [stdout]      |             ----^^
[INFO] [stdout]      |             |
[INFO] [stdout]      |             help: remove this `mut`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: variable does not need to be mutable
[INFO] [stdout]     --> src/tests.rs:1903:13
[INFO] [stdout]      |
[INFO] [stdout] 1903 |         let mut db = Bitcask::open(temp_dir.path()).unwrap();
[INFO] [stdout]      |             ----^^
[INFO] [stdout]      |             |
[INFO] [stdout]      |             help: remove this `mut`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: variable does not need to be mutable
[INFO] [stdout]     --> src/tests.rs:1923:13
[INFO] [stdout]      |
[INFO] [stdout] 1923 |         let mut db = Bitcask::open(temp_dir.path()).unwrap();
[INFO] [stdout]      |             ----^^
[INFO] [stdout]      |             |
[INFO] [stdout]      |             help: remove this `mut`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: variable does not need to be mutable
[INFO] [stdout]     --> src/tests.rs:1937:13
[INFO] [stdout]      |
[INFO] [stdout] 1937 |         let mut db = Bitcask::open(temp_dir.path()).unwrap();
[INFO] [stdout]      |             ----^^
[INFO] [stdout]      |             |
[INFO] [stdout]      |             help: remove this `mut`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: variable does not need to be mutable
[INFO] [stdout]     --> src/tests.rs:1951:13
[INFO] [stdout]      |
[INFO] [stdout] 1951 |         let mut db = Bitcask::open(temp_dir.path()).unwrap();
[INFO] [stdout]      |             ----^^
[INFO] [stdout]      |             |
[INFO] [stdout]      |             help: remove this `mut`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: variable does not need to be mutable
[INFO] [stdout]     --> src/tests.rs:1962:13
[INFO] [stdout]      |
[INFO] [stdout] 1962 |         let mut db = Bitcask::open(temp_dir.path()).unwrap();
[INFO] [stdout]      |             ----^^
[INFO] [stdout]      |             |
[INFO] [stdout]      |             help: remove this `mut`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: variable does not need to be mutable
[INFO] [stdout]     --> src/tests.rs:1995:17
[INFO] [stdout]      |
[INFO] [stdout] 1995 |             let mut db = Bitcask::open(&db_path).unwrap();
[INFO] [stdout]      |                 ----^^
[INFO] [stdout]      |                 |
[INFO] [stdout]      |                 help: remove this `mut`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: variable does not need to be mutable
[INFO] [stdout]     --> src/tests.rs:2012:13
[INFO] [stdout]      |
[INFO] [stdout] 2012 |         let mut db = Bitcask::open(temp_dir.path()).unwrap();
[INFO] [stdout]      |             ----^^
[INFO] [stdout]      |             |
[INFO] [stdout]      |             help: remove this `mut`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `db2`
[INFO] [stdout]     --> src/tests.rs:2038:13
[INFO] [stdout]      |
[INFO] [stdout] 2038 |         let db2 = Bitcask::open(temp_dir.path()).unwrap();
[INFO] [stdout]      |             ^^^ help: if this is intentional, prefix it with an underscore: `_db2`
[INFO] [stdout]      |
[INFO] [stdout]      = note: `#[warn(unused_variables)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: variable does not need to be mutable
[INFO] [stdout]     --> src/tests.rs:2031:13
[INFO] [stdout]      |
[INFO] [stdout] 2031 |         let mut db = Bitcask::open(temp_dir.path()).unwrap();
[INFO] [stdout]      |             ----^^
[INFO] [stdout]      |             |
[INFO] [stdout]      |             help: remove this `mut`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: variable does not need to be mutable
[INFO] [stdout]     --> src/tests.rs:2062:17
[INFO] [stdout]      |
[INFO] [stdout] 2062 |             let mut db = Bitcask::open(&db_path).unwrap();
[INFO] [stdout]      |                 ----^^
[INFO] [stdout]      |                 |
[INFO] [stdout]      |                 help: remove this `mut`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: variable does not need to be mutable
[INFO] [stdout]     --> src/tests.rs:2091:17
[INFO] [stdout]      |
[INFO] [stdout] 2091 |             let mut db = Bitcask::open(&db_path).unwrap();
[INFO] [stdout]      |                 ----^^
[INFO] [stdout]      |                 |
[INFO] [stdout]      |                 help: remove this `mut`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: variable does not need to be mutable
[INFO] [stdout]     --> src/tests.rs:2133:17
[INFO] [stdout]      |
[INFO] [stdout] 2133 |             let mut db = Bitcask::open(&db_path).unwrap();
[INFO] [stdout]      |                 ----^^
[INFO] [stdout]      |                 |
[INFO] [stdout]      |                 help: remove this `mut`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: variable does not need to be mutable
[INFO] [stdout]     --> src/tests.rs:2162:17
[INFO] [stdout]      |
[INFO] [stdout] 2162 |             let mut db = Bitcask::open(&db_path).unwrap();
[INFO] [stdout]      |                 ----^^
[INFO] [stdout]      |                 |
[INFO] [stdout]      |                 help: remove this `mut`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: variable does not need to be mutable
[INFO] [stdout]     --> src/tests.rs:2201:17
[INFO] [stdout]      |
[INFO] [stdout] 2201 |             let mut db = Bitcask::open(&db_path).unwrap();
[INFO] [stdout]      |                 ----^^
[INFO] [stdout]      |                 |
[INFO] [stdout]      |                 help: remove this `mut`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `last_file_id_before`
[INFO] [stdout]     --> src/tests.rs:2322:13
[INFO] [stdout]      |
[INFO] [stdout] 2322 |         let last_file_id_before = files_before.len() - 1;
[INFO] [stdout]      |             ^^^^^^^^^^^^^^^^^^^ help: if this is intentional, prefix it with an underscore: `_last_file_id_before`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr]     Finished `test` profile [unoptimized + debuginfo] target(s) in 6.61s
[INFO] running `Command { std: "docker" "inspect" "837143474d3138a93ee0ed6659235bb8a0eb545940adf5a1348934dc29a87e6f", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "837143474d3138a93ee0ed6659235bb8a0eb545940adf5a1348934dc29a87e6f", kill_on_drop: false }`
[INFO] [stdout] 837143474d3138a93ee0ed6659235bb8a0eb545940adf5a1348934dc29a87e6f
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-2-tc2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-2-tc2/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 -Copt-level=3" "-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:e90291280db7d1fac5b66fc6dad9f9662629e7365a55743daf9bdf73ebc4ea79" "/opt/rustwide/cargo-home/bin/cargo" "+733b47ea4b1b86216f14ef56e49440c33933f230" "test" "--frozen", kill_on_drop: false }`
[INFO] [stdout] b1238b65e720b990bc1598e202c3068536fcb416ae5b3779f143ade563e62d9c
[INFO] running `Command { std: "docker" "start" "-a" "b1238b65e720b990bc1598e202c3068536fcb416ae5b3779f143ade563e62d9c", kill_on_drop: false }`
[INFO] [stderr] warning: variable does not need to be mutable
[INFO] [stderr]     --> src/tests.rs:1868:13
[INFO] [stderr]      |
[INFO] [stderr] 1868 |         let mut db = Bitcask::open(temp_dir.path()).unwrap();
[INFO] [stderr]      |             ----^^
[INFO] [stderr]      |             |
[INFO] [stderr]      |             help: remove this `mut`
[INFO] [stderr]      |
[INFO] [stderr]      = note: `#[warn(unused_mut)]` on by default
[INFO] [stderr] 
[INFO] [stderr] warning: variable does not need to be mutable
[INFO] [stderr]     --> src/tests.rs:1886:13
[INFO] [stderr]      |
[INFO] [stderr] 1886 |         let mut db = Bitcask::open(temp_dir.path()).unwrap();
[INFO] [stderr]      |             ----^^
[INFO] [stderr]      |             |
[INFO] [stderr]      |             help: remove this `mut`
[INFO] [stderr] 
[INFO] [stderr] warning: variable does not need to be mutable
[INFO] [stderr]     --> src/tests.rs:1903:13
[INFO] [stderr]      |
[INFO] [stderr] 1903 |         let mut db = Bitcask::open(temp_dir.path()).unwrap();
[INFO] [stderr]      |             ----^^
[INFO] [stderr]      |             |
[INFO] [stderr]      |             help: remove this `mut`
[INFO] [stderr] 
[INFO] [stderr] warning: variable does not need to be mutable
[INFO] [stderr]     --> src/tests.rs:1923:13
[INFO] [stderr]      |
[INFO] [stderr] 1923 |         let mut db = Bitcask::open(temp_dir.path()).unwrap();
[INFO] [stderr]      |             ----^^
[INFO] [stderr]      |             |
[INFO] [stderr]      |             help: remove this `mut`
[INFO] [stderr] 
[INFO] [stderr] warning: variable does not need to be mutable
[INFO] [stderr]     --> src/tests.rs:1937:13
[INFO] [stderr]      |
[INFO] [stderr] 1937 |         let mut db = Bitcask::open(temp_dir.path()).unwrap();
[INFO] [stderr]      |             ----^^
[INFO] [stderr]      |             |
[INFO] [stderr]      |             help: remove this `mut`
[INFO] [stderr] 
[INFO] [stderr] warning: variable does not need to be mutable
[INFO] [stderr]     --> src/tests.rs:1951:13
[INFO] [stderr]      |
[INFO] [stderr] 1951 |         let mut db = Bitcask::open(temp_dir.path()).unwrap();
[INFO] [stderr]      |             ----^^
[INFO] [stderr]      |             |
[INFO] [stderr]      |             help: remove this `mut`
[INFO] [stderr] 
[INFO] [stderr] warning: variable does not need to be mutable
[INFO] [stderr]     --> src/tests.rs:1962:13
[INFO] [stderr]      |
[INFO] [stderr] 1962 |         let mut db = Bitcask::open(temp_dir.path()).unwrap();
[INFO] [stderr]      |             ----^^
[INFO] [stderr]      |             |
[INFO] [stderr]      |             help: remove this `mut`
[INFO] [stderr] 
[INFO] [stderr] warning: variable does not need to be mutable
[INFO] [stderr]     --> src/tests.rs:1995:17
[INFO] [stderr]      |
[INFO] [stderr] 1995 |             let mut db = Bitcask::open(&db_path).unwrap();
[INFO] [stderr]      |                 ----^^
[INFO] [stderr]      |                 |
[INFO] [stderr]      |                 help: remove this `mut`
[INFO] [stderr] 
[INFO] [stderr] warning: variable does not need to be mutable
[INFO] [stderr]     --> src/tests.rs:2012:13
[INFO] [stderr]      |
[INFO] [stderr] 2012 |         let mut db = Bitcask::open(temp_dir.path()).unwrap();
[INFO] [stderr]      |             ----^^
[INFO] [stderr]      |             |
[INFO] [stderr]      |             help: remove this `mut`
[INFO] [stderr] 
[INFO] [stderr] warning: unused variable: `db2`
[INFO] [stderr]     --> src/tests.rs:2038:13
[INFO] [stderr]      |
[INFO] [stderr] 2038 |         let db2 = Bitcask::open(temp_dir.path()).unwrap();
[INFO] [stderr]      |             ^^^ help: if this is intentional, prefix it with an underscore: `_db2`
[INFO] [stderr]      |
[INFO] [stderr]      = note: `#[warn(unused_variables)]` on by default
[INFO] [stderr] 
[INFO] [stderr] warning: variable does not need to be mutable
[INFO] [stderr]     --> src/tests.rs:2031:13
[INFO] [stderr]      |
[INFO] [stderr] 2031 |         let mut db = Bitcask::open(temp_dir.path()).unwrap();
[INFO] [stderr]      |             ----^^
[INFO] [stderr]      |             |
[INFO] [stderr]      |             help: remove this `mut`
[INFO] [stderr] 
[INFO] [stderr] warning: variable does not need to be mutable
[INFO] [stderr]     --> src/tests.rs:2062:17
[INFO] [stderr]      |
[INFO] [stderr] 2062 |             let mut db = Bitcask::open(&db_path).unwrap();
[INFO] [stderr]      |                 ----^^
[INFO] [stderr]      |                 |
[INFO] [stderr]      |                 help: remove this `mut`
[INFO] [stderr] 
[INFO] [stderr] warning: variable does not need to be mutable
[INFO] [stderr]     --> src/tests.rs:2091:17
[INFO] [stderr]      |
[INFO] [stderr] 2091 |             let mut db = Bitcask::open(&db_path).unwrap();
[INFO] [stderr]      |                 ----^^
[INFO] [stderr]      |                 |
[INFO] [stderr]      |                 help: remove this `mut`
[INFO] [stderr] 
[INFO] [stderr] warning: variable does not need to be mutable
[INFO] [stderr]     --> src/tests.rs:2133:17
[INFO] [stderr]      |
[INFO] [stderr] 2133 |             let mut db = Bitcask::open(&db_path).unwrap();
[INFO] [stderr]      |                 ----^^
[INFO] [stderr]      |                 |
[INFO] [stderr]      |                 help: remove this `mut`
[INFO] [stderr] 
[INFO] [stderr] warning: variable does not need to be mutable
[INFO] [stderr]     --> src/tests.rs:2162:17
[INFO] [stderr]      |
[INFO] [stderr] 2162 |             let mut db = Bitcask::open(&db_path).unwrap();
[INFO] [stderr]      |                 ----^^
[INFO] [stderr]      |                 |
[INFO] [stderr]      |                 help: remove this `mut`
[INFO] [stderr] 
[INFO] [stderr] warning: variable does not need to be mutable
[INFO] [stderr]     --> src/tests.rs:2201:17
[INFO] [stderr]      |
[INFO] [stderr] 2201 |             let mut db = Bitcask::open(&db_path).unwrap();
[INFO] [stderr]      |                 ----^^
[INFO] [stderr]      |                 |
[INFO] [stderr]      |                 help: remove this `mut`
[INFO] [stderr] 
[INFO] [stderr] warning: unused variable: `last_file_id_before`
[INFO] [stderr]     --> src/tests.rs:2322:13
[INFO] [stderr]      |
[INFO] [stderr] 2322 |         let last_file_id_before = files_before.len() - 1;
[INFO] [stderr]      |             ^^^^^^^^^^^^^^^^^^^ help: if this is intentional, prefix it with an underscore: `_last_file_id_before`
[INFO] [stderr] 
[INFO] [stderr] warning: `bitcask` (lib test) generated 17 warnings (run `cargo fix --lib -p bitcask --tests` to apply 15 suggestions)
[INFO] [stderr]     Finished `test` profile [unoptimized + debuginfo] target(s) in 0.12s
[INFO] [stderr]      Running unittests src/lib.rs (/opt/rustwide/target/debug/deps/bitcask-57f96de00a623cee)
[INFO] [stdout] 
[INFO] [stdout] running 87 tests
[INFO] [stdout] test tests::basic_api_tests::test_bitcask_binary_data ... ok
[INFO] [stdout] test tests::basic_api_tests::test_bitcask_delete ... ok
[INFO] [stdout] test tests::basic_api_tests::test_bitcask_empty_value ... ok
[INFO] [stdout] test tests::basic_api_tests::test_bitcask_update_value ... ok
[INFO] [stdout] test tests::basic_api_tests::test_bitcask_many_keys ... ok
[INFO] [stdout] test tests::crash_recovery_tests::test_bitcask_recovery_from_partial_write ... ok
[INFO] [stdout] test tests::crash_recovery_tests::test_bitcask_recovery_from_clean_shutdown ... ok
[INFO] [stdout] test tests::crash_recovery_tests::test_bitcask_recovery_multiple_log_files ... ok
[INFO] [stdout] test tests::edge_case_tests::test_empty_value_vs_tombstone ... ok
[INFO] [stdout] test tests::crash_recovery_tests::test_bitcask_recovery_from_corrupted_entry ... ok
[INFO] [stdout] test tests::error_handling_tests::test_error_display ... ok
[INFO] [stdout] test tests::edge_case_tests::test_large_key_tombstone ... ok
[INFO] [stdout] test tests::crash_recovery_tests::test_bitcask_recovery_preserves_file_id ... ok
[INFO] [stdout] test tests::basic_writer_tests::test_writer_returns_correct_size ... ok
[INFO] [stdout] test tests::error_handling_tests::test_storage_error_variants ... ok
[INFO] [stdout] test tests::basic_api_tests::test_bitcask_put_and_get ... ok
[INFO] [stdout] test tests::crash_recovery_tests::test_bitcask_recovery_with_deletes ... ok
[INFO] [stdout] test tests::crash_recovery_tests::test_bitcask_recovery_with_updates ... ok
[INFO] [stdout] test tests::basic_api_tests::test_bitcask_open_new ... ok
[INFO] [stdout] test tests::basic_writer_tests::test_writer_creates_file ... ok
[INFO] [stdout] test tests::basic_writer_tests::test_writer_append_updates_offset ... ok
[INFO] [stdout] test tests::buffering_tests::test_writer_uses_buffering ... ok
[INFO] [stdout] test tests::concurrent_writer_tests::test_single_writer_principle ... ok
[INFO] [stdout] test tests::buffering_tests::test_writer_auto_flush_on_drop ... ok
[INFO] [stdout] test tests::buffering_tests::test_writer_flush_vs_sync ... ok
[INFO] [stdout] test tests::file_rotation_tests::test_writer_rotation_atomic ... ok
[INFO] [stdout] test tests::file_rotation_tests::test_writer_with_size_limit ... ok
[INFO] [stdout] test tests::file_rotation_tests::test_writer_rotation_preserves_data ... ok
[INFO] [stdout] test tests::log_entry_tests::test_log_entry_empty_key_value ... ok
[INFO] [stdout] test tests::log_entry_tests::test_log_entry_creation ... ok
[INFO] [stdout] test tests::integration_tests::test_delete_handling_in_index ... ok
[INFO] [stdout] test tests::log_entry_tests::test_log_entry_crc_calculation ... ok
[INFO] [stdout] test tests::log_entry_tests::test_log_entry_corrupted_detection ... ok
[INFO] [stdout] test tests::log_entry_tests::test_log_entry_crc_validation ... ok
[INFO] [stdout] test tests::integration_tests::test_multiple_entries_with_pointers ... ok
[INFO] [stdout] test tests::integration_tests::test_write_and_read_via_pointer ... ok
[INFO] [stdout] test tests::integration_tests::test_memindex_memory_vs_disk_size ... ok
[INFO] [stdout] test tests::log_entry_tests::test_log_entry_deserialization ... ok
[INFO] [stdout] test tests::log_entry_tests::test_log_entry_partial_read ... ok
[INFO] [stdout] test tests::integration_tests::test_rebuild_index_from_log ... ok
[INFO] [stdout] test tests::concurrent_writer_tests::test_writer_thread_safety ... ok
[INFO] [stdout] test tests::log_entry_tests::test_log_entry_serialization ... ok
[INFO] [stdout] test tests::log_entry_tests::test_log_entry_with_binary_data ... ok
[INFO] [stdout] test tests::integration_tests::test_memindex_with_logreader ... ok
[INFO] [stdout] test tests::log_pointer_tests::test_log_pointer_clone_copy ... ok
[INFO] [stdout] test tests::log_pointer_tests::test_log_pointer_comparison ... ok
[INFO] [stdout] test tests::logreader_tests::test_reader_corrupted_crc ... ok
[INFO] [stdout] test tests::logreader_tests::test_reader_iterator_empty_file ... ok
[INFO] [stdout] test tests::logreader_tests::test_reader_open_nonexistent_file ... ok
[INFO] [stdout] test tests::memindex_tests::test_memindex_clear ... ok
[INFO] [stdout] test tests::memindex_tests::test_memindex_binary_keys ... ok
[INFO] [stdout] test tests::memindex_tests::test_memindex_delete ... ok
[INFO] [stdout] test tests::memindex_tests::test_memindex_insert_and_get ... ok
[INFO] [stdout] test tests::logreader_tests::test_reader_iterator_full_scan ... ok
[INFO] [stdout] test tests::logreader_tests::test_reader_concurrent_readers ... ok
[INFO] [stdout] test tests::logreader_tests::test_reader_open_existing_file ... ok
[INFO] [stdout] test tests::logreader_tests::test_reader_iterator_partial_entry ... ok
[INFO] [stdout] test tests::log_pointer_tests::test_log_pointer_creation ... ok
[INFO] [stdout] test tests::log_pointer_tests::test_log_pointer_file_path_generation ... ok
[INFO] [stdout] test tests::log_pointer_tests::test_log_pointer_memory_size ... ok
[INFO] [stdout] test tests::logreader_tests::test_reader_read_beyond_file ... ok
[INFO] [stdout] test tests::logreader_tests::test_reader_read_at_specific_offset ... ok
[INFO] [stdout] test tests::log_entry_tests::test_log_entry_large_values ... ok
[INFO] [stdout] test tests::tombstone_tests::test_delete_operation_flow ... ok
[INFO] [stdout] test tests::memindex_tests::test_memindex_iteration ... ok
[INFO] [stdout] test tests::memindex_tests::test_memindex_keys ... ok
[INFO] [stdout] test tests::memindex_tests::test_memindex_new ... ok
[INFO] [stdout] test tests::memindex_tests::test_memindex_update_existing ... ok
[INFO] [stdout] test tests::tombstone_tests::test_logentry_tombstone_creation ... ok
[INFO] [stdout] test tests::memindex_tests::test_memindex_memory_efficiency ... ok
[INFO] [stdout] test tests::persistence_tests::test_bitcask_flush_behavior ... ok
[INFO] [stdout] test tests::tombstone_tests::test_tombstone_serialization ... ok
[INFO] [stdout] test tests::persistence_tests::test_bitcask_persistence_across_restart ... ok
[INFO] [stdout] test tests::persistence_tests::test_bitcask_sync_behavior ... ok
[INFO] [stdout] test tests::tombstone_tests::test_compaction_removes_tombstones ... ok
[INFO] [stdout] test tests::tombstone_tests::test_recovery_with_interleaved_tombstones ... ok
[INFO] [stdout] test tests::basic_api_tests::test_bitcask_large_values ... ok
[INFO] [stdout] test tests::tombstone_tests::test_recovery_with_tombstones ... ok
[INFO] [stdout] test tests::tombstone_tests::test_delete_then_reinsert ... ok
[INFO] [stdout] test tests::performance_characteristics::test_append_performance ... ok
[INFO] [stdout] test tests::tombstone_tests::test_tombstone_in_log_after_delete ... ok
[INFO] [stdout] test tests::tombstone_tests::test_delete_nonexistent_key ... ok
[INFO] [stdout] test tests::tombstone_tests::test_writer_append_tombstone ... ok
[INFO] [stdout] test tests::tombstone_tests::test_tombstone_size_in_log ... ok
[INFO] [stdout] test tests::performance_characteristics::test_buffering_impact ... ok
[INFO] [stdout] test tests::file_error_handling_tests::test_writer_handles_permission_errors ... FAILED
[INFO] [stdout] test tests::file_error_handling_tests::test_writer_handles_disk_full ... ok
[INFO] [stdout] 
[INFO] [stdout] failures:
[INFO] [stdout] 
[INFO] [stdout] ---- tests::file_error_handling_tests::test_writer_handles_permission_errors stdout ----
[INFO] [stdout] 
[INFO] [stdout] thread 'tests::file_error_handling_tests::test_writer_handles_permission_errors' panicked at src/tests.rs:929:13:
[INFO] [stdout] Should fail to open read-only file for writing
[INFO] [stdout] stack backtrace:
[INFO] [stdout]    0:     0x573396983772 - std::backtrace_rs::backtrace::libunwind::trace::h73a647620bf1c49d
[INFO] [stdout]                                at /rustc/733b47ea4b1b86216f14ef56e49440c33933f230/library/std/src/../../backtrace/src/backtrace/libunwind.rs:117:9
[INFO] [stdout]    1:     0x573396983772 - std::backtrace_rs::backtrace::trace_unsynchronized::hd4d513ed96cb3cb1
[INFO] [stdout]                                at /rustc/733b47ea4b1b86216f14ef56e49440c33933f230/library/std/src/../../backtrace/src/backtrace/mod.rs:66:14
[INFO] [stdout]    2:     0x573396983772 - std::sys::backtrace::_print_fmt::h61bb95f7476aafa5
[INFO] [stdout]                                at /rustc/733b47ea4b1b86216f14ef56e49440c33933f230/library/std/src/sys/backtrace.rs:66:9
[INFO] [stdout]    3:     0x573396983772 - <std::sys::backtrace::BacktraceLock::print::DisplayBacktrace as core::fmt::Display>::fmt::ha2e7e3a01df69042
[INFO] [stdout]                                at /rustc/733b47ea4b1b86216f14ef56e49440c33933f230/library/std/src/sys/backtrace.rs:39:26
[INFO] [stdout]    4:     0x5733969aa303 - core::fmt::rt::Argument::fmt::hf14163372f0f9a76
[INFO] [stdout]                                at /rustc/733b47ea4b1b86216f14ef56e49440c33933f230/library/core/src/fmt/rt.rs:173:76
[INFO] [stdout]    5:     0x5733969aa303 - core::fmt::write::h7cb8f63788cd01d2
[INFO] [stdout]                                at /rustc/733b47ea4b1b86216f14ef56e49440c33933f230/library/core/src/fmt/mod.rs:1465:25
[INFO] [stdout]    6:     0x573396980293 - std::io::default_write_fmt::h9ed739ccee8a150c
[INFO] [stdout]                                at /rustc/733b47ea4b1b86216f14ef56e49440c33933f230/library/std/src/io/mod.rs:639:11
[INFO] [stdout]    7:     0x573396980293 - std::io::Write::write_fmt::h1c0a32da913b32f1
[INFO] [stdout]                                at /rustc/733b47ea4b1b86216f14ef56e49440c33933f230/library/std/src/io/mod.rs:1954:13
[INFO] [stdout]    8:     0x5733969835c2 - std::sys::backtrace::BacktraceLock::print::h3ec4d7883eb25e61
[INFO] [stdout]                                at /rustc/733b47ea4b1b86216f14ef56e49440c33933f230/library/std/src/sys/backtrace.rs:42:9
[INFO] [stdout]    9:     0x57339698539c - std::panicking::default_hook::{{closure}}::h29548987efd832cb
[INFO] [stdout]                                at /rustc/733b47ea4b1b86216f14ef56e49440c33933f230/library/std/src/panicking.rs:300:27
[INFO] [stdout]   10:     0x5733969851f2 - std::panicking::default_hook::ha25170a15c643514
[INFO] [stdout]                                at /rustc/733b47ea4b1b86216f14ef56e49440c33933f230/library/std/src/panicking.rs:324:9
[INFO] [stdout]   11:     0x573396947f44 - <alloc::boxed::Box<F,A> as core::ops::function::Fn<Args>>::call::h562adeecbf43c420
[INFO] [stdout]                                at /rustc/733b47ea4b1b86216f14ef56e49440c33933f230/library/alloc/src/boxed.rs:1985:9
[INFO] [stdout]   12:     0x573396947f44 - test::test_main_with_exit_callback::{{closure}}::h97dd2a879d27e0e4
[INFO] [stdout]                                at /rustc/733b47ea4b1b86216f14ef56e49440c33933f230/library/test/src/lib.rs:145:21
[INFO] [stdout]   13:     0x573396985d7b - <alloc::boxed::Box<F,A> as core::ops::function::Fn<Args>>::call::h7e85cbdbda26fdb7
[INFO] [stdout]                                at /rustc/733b47ea4b1b86216f14ef56e49440c33933f230/library/alloc/src/boxed.rs:1985:9
[INFO] [stdout]   14:     0x573396985d7b - std::panicking::rust_panic_with_hook::h0d81afcd829aa24b
[INFO] [stdout]                                at /rustc/733b47ea4b1b86216f14ef56e49440c33933f230/library/std/src/panicking.rs:841:13
[INFO] [stdout]   15:     0x573396985b16 - std::panicking::begin_panic_handler::{{closure}}::hc84a33f1202346cf
[INFO] [stdout]                                at /rustc/733b47ea4b1b86216f14ef56e49440c33933f230/library/std/src/panicking.rs:699:13
[INFO] [stdout]   16:     0x573396983c69 - std::sys::backtrace::__rust_end_short_backtrace::h373067a14f6c59aa
[INFO] [stdout]                                at /rustc/733b47ea4b1b86216f14ef56e49440c33933f230/library/std/src/sys/backtrace.rs:168:18
[INFO] [stdout]   17:     0x5733969857dd - __rustc[beb0385846a06d21]::rust_begin_unwind
[INFO] [stdout]                                at /rustc/733b47ea4b1b86216f14ef56e49440c33933f230/library/std/src/panicking.rs:697:5
[INFO] [stdout]   18:     0x5733969a8b40 - core::panicking::panic_fmt::ha33fa2ae772efba9
[INFO] [stdout]                                at /rustc/733b47ea4b1b86216f14ef56e49440c33933f230/library/core/src/panicking.rs:75:14
[INFO] [stdout]   19:     0x57339681a7ec - bitcask::tests::file_error_handling_tests::test_writer_handles_permission_errors::ha4c8f98f05729a83
[INFO] [stdout]                                at /opt/rustwide/workdir/src/tests.rs:929:13
[INFO] [stdout]   20:     0x5733968304f9 - bitcask::tests::file_error_handling_tests::test_writer_handles_permission_errors::{{closure}}::h917d9005742f900d
[INFO] [stdout]                                at /opt/rustwide/workdir/src/tests.rs:910:47
[INFO] [stdout]   21:     0x5733968304f9 - core::ops::function::FnOnce::call_once::hcaa2dc39cd3fe80e
[INFO] [stdout]                                at /rustc/733b47ea4b1b86216f14ef56e49440c33933f230/library/core/src/ops/function.rs:250:5
[INFO] [stdout]   22:     0x57339694d67b - core::ops::function::FnOnce::call_once::hf84b9c3d864a6959
[INFO] [stdout]                                at /rustc/733b47ea4b1b86216f14ef56e49440c33933f230/library/core/src/ops/function.rs:250:5
[INFO] [stdout]   23:     0x57339694d67b - test::__rust_begin_short_backtrace::h5724e31441c16fcb
[INFO] [stdout]                                at /rustc/733b47ea4b1b86216f14ef56e49440c33933f230/library/test/src/lib.rs:648:18
[INFO] [stdout]   24:     0x57339694c8be - test::run_test_in_process::{{closure}}::hbc28c9aa91793d7d
[INFO] [stdout]                                at /rustc/733b47ea4b1b86216f14ef56e49440c33933f230/library/test/src/lib.rs:671:74
[INFO] [stdout]   25:     0x57339694c8be - <core::panic::unwind_safe::AssertUnwindSafe<F> as core::ops::function::FnOnce<()>>::call_once::hc17b0e238c0f8f3e
[INFO] [stdout]                                at /rustc/733b47ea4b1b86216f14ef56e49440c33933f230/library/core/src/panic/unwind_safe.rs:272:9
[INFO] [stdout]   26:     0x57339694c8be - std::panicking::catch_unwind::do_call::hcdbce0d6dd6c83ce
[INFO] [stdout]                                at /rustc/733b47ea4b1b86216f14ef56e49440c33933f230/library/std/src/panicking.rs:589:40
[INFO] [stdout]   27:     0x57339694c8be - std::panicking::catch_unwind::h9477967ceea044e8
[INFO] [stdout]                                at /rustc/733b47ea4b1b86216f14ef56e49440c33933f230/library/std/src/panicking.rs:552:19
[INFO] [stdout]   28:     0x57339694c8be - std::panic::catch_unwind::h616a2e249da12e16
[INFO] [stdout]                                at /rustc/733b47ea4b1b86216f14ef56e49440c33933f230/library/std/src/panic.rs:359:14
[INFO] [stdout]   29:     0x57339694c8be - test::run_test_in_process::h2758deb0f2e54430
[INFO] [stdout]                                at /rustc/733b47ea4b1b86216f14ef56e49440c33933f230/library/test/src/lib.rs:671:27
[INFO] [stdout]   30:     0x57339694c8be - test::run_test::{{closure}}::habe5cd2564b18aaa
[INFO] [stdout]                                at /rustc/733b47ea4b1b86216f14ef56e49440c33933f230/library/test/src/lib.rs:592:43
[INFO] [stdout]   31:     0x573396910464 - test::run_test::{{closure}}::h9a0a6928f1a15421
[INFO] [stdout]                                at /rustc/733b47ea4b1b86216f14ef56e49440c33933f230/library/test/src/lib.rs:622:41
[INFO] [stdout]   32:     0x573396910464 - std::sys::backtrace::__rust_begin_short_backtrace::hd68b5332434a22ca
[INFO] [stdout]                                at /rustc/733b47ea4b1b86216f14ef56e49440c33933f230/library/std/src/sys/backtrace.rs:152:18
[INFO] [stdout]   33:     0x573396913e0a - std::thread::Builder::spawn_unchecked_::{{closure}}::{{closure}}::h264ddcc3098eacae
[INFO] [stdout]                                at /rustc/733b47ea4b1b86216f14ef56e49440c33933f230/library/std/src/thread/mod.rs:559:17
[INFO] [stdout]   34:     0x573396913e0a - <core::panic::unwind_safe::AssertUnwindSafe<F> as core::ops::function::FnOnce<()>>::call_once::h9fa39489749d6f3c
[INFO] [stdout]                                at /rustc/733b47ea4b1b86216f14ef56e49440c33933f230/library/core/src/panic/unwind_safe.rs:272:9
[INFO] [stdout]   35:     0x573396913e0a - std::panicking::catch_unwind::do_call::hb9a1944b9f85100f
[INFO] [stdout]                                at /rustc/733b47ea4b1b86216f14ef56e49440c33933f230/library/std/src/panicking.rs:589:40
[INFO] [stdout]   36:     0x573396913e0a - std::panicking::catch_unwind::h0c6f100786c0dad8
[INFO] [stdout]                                at /rustc/733b47ea4b1b86216f14ef56e49440c33933f230/library/std/src/panicking.rs:552:19
[INFO] [stdout]   37:     0x573396913e0a - std::panic::catch_unwind::hf6084e2723385823
[INFO] [stdout]                                at /rustc/733b47ea4b1b86216f14ef56e49440c33933f230/library/std/src/panic.rs:359:14
[INFO] [stdout]   38:     0x573396913e0a - std::thread::Builder::spawn_unchecked_::{{closure}}::hf0af58ce658143ad
[INFO] [stdout]                                at /rustc/733b47ea4b1b86216f14ef56e49440c33933f230/library/std/src/thread/mod.rs:557:30
[INFO] [stdout]   39:     0x573396913e0a - core::ops::function::FnOnce::call_once{{vtable.shim}}::h88a14f9b2e79f9de
[INFO] [stdout]                                at /rustc/733b47ea4b1b86216f14ef56e49440c33933f230/library/core/src/ops/function.rs:250:5
[INFO] [stdout]   40:     0x573396988d67 - <alloc::boxed::Box<F,A> as core::ops::function::FnOnce<Args>>::call_once::hf31256ba38644b65
[INFO] [stdout]                                at /rustc/733b47ea4b1b86216f14ef56e49440c33933f230/library/alloc/src/boxed.rs:1971:9
[INFO] [stdout]   41:     0x573396988d67 - <alloc::boxed::Box<F,A> as core::ops::function::FnOnce<Args>>::call_once::h100ad77f3448041b
[INFO] [stdout]                                at /rustc/733b47ea4b1b86216f14ef56e49440c33933f230/library/alloc/src/boxed.rs:1971:9
[INFO] [stdout]   42:     0x573396988d67 - std::sys::pal::unix::thread::Thread::new::thread_start::h1a22ded422ce395b
[INFO] [stdout]                                at /rustc/733b47ea4b1b86216f14ef56e49440c33933f230/library/std/src/sys/pal/unix/thread.rs:97:17
[INFO] [stdout]   43:     0x7661b540caa4 - <unknown>
[INFO] [stdout]   44:     0x7661b5499a34 - clone
[INFO] [stdout]   45:                0x0 - <unknown>
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] failures:
[INFO] [stdout]     tests::file_error_handling_tests::test_writer_handles_permission_errors
[INFO] [stdout] 
[INFO] [stdout] test result: FAILED. 86 passed; 1 failed; 0 ignored; 0 measured; 0 filtered out; finished in 1.26s
[INFO] [stdout] 
[INFO] [stderr] error: test failed, to rerun pass `--lib`
[INFO] running `Command { std: "docker" "inspect" "b1238b65e720b990bc1598e202c3068536fcb416ae5b3779f143ade563e62d9c", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "b1238b65e720b990bc1598e202c3068536fcb416ae5b3779f143ade563e62d9c", kill_on_drop: false }`
[INFO] [stdout] b1238b65e720b990bc1598e202c3068536fcb416ae5b3779f143ade563e62d9c
