[INFO] cloning repository https://github.com/mafron/mini-rdbms
[INFO] running `Command { std: "git" "-c" "credential.helper=" "-c" "credential.helper=/workspace/cargo-home/bin/git-credential-null" "clone" "--bare" "https://github.com/mafron/mini-rdbms" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fmafron%2Fmini-rdbms", kill_on_drop: false }`
[INFO] [stderr] Cloning into bare repository '/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fmafron%2Fmini-rdbms'...
[INFO] running `Command { std: "git" "rev-parse" "HEAD", kill_on_drop: false }`
[INFO] [stdout] 427cd84ad19d4d975bdabbd68d4a551cde1897ab
[INFO] checking mafron/mini-rdbms against master#22572d0994593197593e2a1b7b18d720a9a349a7 for pr-126452-1
[INFO] running `Command { std: "git" "clone" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fmafron%2Fmini-rdbms" "/workspace/builds/worker-2-tc1/source", kill_on_drop: false }`
[INFO] [stderr] Cloning into '/workspace/builds/worker-2-tc1/source'...
[INFO] [stderr] done.
[INFO] validating manifest of git repo https://github.com/mafron/mini-rdbms on toolchain 22572d0994593197593e2a1b7b18d720a9a349a7
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+22572d0994593197593e2a1b7b18d720a9a349a7" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }`
[INFO] started tweaking git repo https://github.com/mafron/mini-rdbms
[INFO] finished tweaking git repo https://github.com/mafron/mini-rdbms
[INFO] tweaked toml for git repo https://github.com/mafron/mini-rdbms written to /workspace/builds/worker-2-tc1/source/Cargo.toml
[INFO] crate git repo https://github.com/mafron/mini-rdbms 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" "+22572d0994593197593e2a1b7b18d720a9a349a7" "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@sha256:923055f121b5182466d55868a8b05e67af8ba4a3a3f6bad814e953ca3cd3ac2a" "/opt/rustwide/cargo-home/bin/cargo" "+22572d0994593197593e2a1b7b18d720a9a349a7" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] f87ffa5c5df701d0d2c6646a94d9a4d0628d04dec472c4e1c73026ef6f98be3d
[INFO] running `Command { std: "docker" "start" "-a" "f87ffa5c5df701d0d2c6646a94d9a4d0628d04dec472c4e1c73026ef6f98be3d", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "f87ffa5c5df701d0d2c6646a94d9a4d0628d04dec472c4e1c73026ef6f98be3d", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "f87ffa5c5df701d0d2c6646a94d9a4d0628d04dec472c4e1c73026ef6f98be3d", kill_on_drop: false }`
[INFO] [stdout] f87ffa5c5df701d0d2c6646a94d9a4d0628d04dec472c4e1c73026ef6f98be3d
[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=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@sha256:923055f121b5182466d55868a8b05e67af8ba4a3a3f6bad814e953ca3cd3ac2a" "/opt/rustwide/cargo-home/bin/cargo" "+22572d0994593197593e2a1b7b18d720a9a349a7" "check" "--frozen" "--all" "--all-targets" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] 815455ba01b6074f1f39caddff83f4c0d94fc72e5b1876886952a493cac95b4b
[INFO] running `Command { std: "docker" "start" "-a" "815455ba01b6074f1f39caddff83f4c0d94fc72e5b1876886952a493cac95b4b", kill_on_drop: false }`
[INFO] [stderr]    Compiling rustix v0.38.34
[INFO] [stderr]     Checking linux-raw-sys v0.4.14
[INFO] [stderr]     Checking once_cell v1.19.0
[INFO] [stderr]     Checking fastrand v2.1.0
[INFO] [stderr]     Checking tempfile v3.12.0
[INFO] [stderr]     Checking mini-rdbms v0.1.0 (/opt/rustwide/workdir)
[INFO] [stdout] warning: constant `PAGE_SIZE` is never used
[INFO] [stdout]  --> src/disk_manager.rs:6:7
[INFO] [stdout]   |
[INFO] [stdout] 6 | const PAGE_SIZE: usize = 4096;
[INFO] [stdout]   |       ^^^^^^^^^
[INFO] [stdout]   |
[INFO] [stdout]   = note: `#[warn(dead_code)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: struct `DiskManager` is never constructed
[INFO] [stdout]   --> src/disk_manager.rs:12:12
[INFO] [stdout]    |
[INFO] [stdout] 12 | pub struct DiskManager {
[INFO] [stdout]    |            ^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: struct `PageID` is never constructed
[INFO] [stdout]   --> src/disk_manager.rs:22:12
[INFO] [stdout]    |
[INFO] [stdout] 22 | pub struct PageID(pub u64);
[INFO] [stdout]    |            ^^^^^^
[INFO] [stdout]    |
[INFO] [stdout]    = note: `PageID` has derived impls for the traits `Debug` and `Clone`, but these are intentionally ignored during dead code analysis
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: method `to_u64` is never used
[INFO] [stdout]   --> src/disk_manager.rs:25:12
[INFO] [stdout]    |
[INFO] [stdout] 24 | impl PageID {
[INFO] [stdout]    | ----------- method in this implementation
[INFO] [stdout] 25 |     pub fn to_u64(self) -> u64 {
[INFO] [stdout]    |            ^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: associated items `new`, `allocate_page`, `read`, and `write` are never used
[INFO] [stdout]   --> src/disk_manager.rs:32:12
[INFO] [stdout]    |
[INFO] [stdout] 30 | impl DiskManager {
[INFO] [stdout]    | ---------------- associated items in this implementation
[INFO] [stdout] 31 |     // コンストラクタ
[INFO] [stdout] 32 |     pub fn new(heap_file_path: impl AsRef<Path>) -> io::Result<Self> {
[INFO] [stdout]    |            ^^^
[INFO] [stdout] ...
[INFO] [stdout] 51 |     pub fn allocate_page(&mut self) -> PageID {
[INFO] [stdout]    |            ^^^^^^^^^^^^^
[INFO] [stdout] ...
[INFO] [stdout] 58 |     pub fn read(&mut self, page_id: PageID, data: &mut [u8]) -> io::Result<()> {
[INFO] [stdout]    |            ^^^^
[INFO] [stdout] ...
[INFO] [stdout] 68 |     pub fn write(&mut self, page_id: PageID, data: &[u8]) -> io::Result<()> {
[INFO] [stdout]    |            ^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: 5 warnings emitted
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused `Result` that must be used
[INFO] [stdout]    --> src/disk_manager.rs:111:9
[INFO] [stdout]     |
[INFO] [stdout] 111 |         disk2.read(test_page_id, &mut buffer);
[INFO] [stdout]     |         ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout]     |
[INFO] [stdout]     = note: this `Result` may be an `Err` variant, which should be handled
[INFO] [stdout]     = note: `#[warn(unused_must_use)]` on by default
[INFO] [stdout] help: use `let _ = ...` to ignore the resulting value
[INFO] [stdout]     |
[INFO] [stdout] 111 |         let _ = disk2.read(test_page_id, &mut buffer);
[INFO] [stdout]     |         +++++++
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused `Result` that must be used
[INFO] [stdout]    --> src/disk_manager.rs:113:9
[INFO] [stdout]     |
[INFO] [stdout] 113 |         disk2.read(second_test_page_id, &mut buffer);
[INFO] [stdout]     |         ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout]     |
[INFO] [stdout]     = note: this `Result` may be an `Err` variant, which should be handled
[INFO] [stdout] help: use `let _ = ...` to ignore the resulting value
[INFO] [stdout]     |
[INFO] [stdout] 113 |         let _ = disk2.read(second_test_page_id, &mut buffer);
[INFO] [stdout]     |         +++++++
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: 2 warnings emitted
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr]     Finished `dev` profile [unoptimized + debuginfo] target(s) in 3.39s
[INFO] running `Command { std: "docker" "inspect" "815455ba01b6074f1f39caddff83f4c0d94fc72e5b1876886952a493cac95b4b", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "815455ba01b6074f1f39caddff83f4c0d94fc72e5b1876886952a493cac95b4b", kill_on_drop: false }`
[INFO] [stdout] 815455ba01b6074f1f39caddff83f4c0d94fc72e5b1876886952a493cac95b4b
[INFO] checking mafron/mini-rdbms against try#6289438dbad80b1a0029c66dd3f6abf57c2c51be for pr-126452-1
[INFO] running `Command { std: "git" "clone" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fmafron%2Fmini-rdbms" "/workspace/builds/worker-2-tc2/source", kill_on_drop: false }`
[INFO] [stderr] Cloning into '/workspace/builds/worker-2-tc2/source'...
[INFO] [stderr] done.
[INFO] validating manifest of git repo https://github.com/mafron/mini-rdbms on toolchain 6289438dbad80b1a0029c66dd3f6abf57c2c51be
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+6289438dbad80b1a0029c66dd3f6abf57c2c51be" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }`
[INFO] started tweaking git repo https://github.com/mafron/mini-rdbms
[INFO] finished tweaking git repo https://github.com/mafron/mini-rdbms
[INFO] tweaked toml for git repo https://github.com/mafron/mini-rdbms written to /workspace/builds/worker-2-tc2/source/Cargo.toml
[INFO] crate git repo https://github.com/mafron/mini-rdbms 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" "+6289438dbad80b1a0029c66dd3f6abf57c2c51be" "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@sha256:923055f121b5182466d55868a8b05e67af8ba4a3a3f6bad814e953ca3cd3ac2a" "/opt/rustwide/cargo-home/bin/cargo" "+6289438dbad80b1a0029c66dd3f6abf57c2c51be" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] c835649ddf9dfab8331d1c196f468b718ac9e00f03b864d7266cd82d5dca71d1
[INFO] running `Command { std: "docker" "start" "-a" "c835649ddf9dfab8331d1c196f468b718ac9e00f03b864d7266cd82d5dca71d1", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "c835649ddf9dfab8331d1c196f468b718ac9e00f03b864d7266cd82d5dca71d1", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "c835649ddf9dfab8331d1c196f468b718ac9e00f03b864d7266cd82d5dca71d1", kill_on_drop: false }`
[INFO] [stdout] c835649ddf9dfab8331d1c196f468b718ac9e00f03b864d7266cd82d5dca71d1
[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" "-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@sha256:923055f121b5182466d55868a8b05e67af8ba4a3a3f6bad814e953ca3cd3ac2a" "/opt/rustwide/cargo-home/bin/cargo" "+6289438dbad80b1a0029c66dd3f6abf57c2c51be" "check" "--frozen" "--all" "--all-targets" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] d202db0c1b8a1a077cfbb5b4eae44df066478e7f986f1a22a089229b5b98c4b9
[INFO] running `Command { std: "docker" "start" "-a" "d202db0c1b8a1a077cfbb5b4eae44df066478e7f986f1a22a089229b5b98c4b9", kill_on_drop: false }`
[INFO] [stderr]    Compiling rustix v0.38.34
[INFO] [stderr]     Checking linux-raw-sys v0.4.14
[INFO] [stderr]     Checking fastrand v2.1.0
[INFO] [stderr]     Checking once_cell v1.19.0
[INFO] [stderr]     Checking tempfile v3.12.0
[INFO] [stderr]     Checking mini-rdbms v0.1.0 (/opt/rustwide/workdir)
[INFO] [stdout] warning: constant `PAGE_SIZE` is never used
[INFO] [stdout]  --> src/disk_manager.rs:6:7
[INFO] [stdout]   |
[INFO] [stdout] 6 | const PAGE_SIZE: usize = 4096;
[INFO] [stdout]   |       ^^^^^^^^^
[INFO] [stdout]   |
[INFO] [stdout]   = note: `#[warn(dead_code)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: struct `DiskManager` is never constructed
[INFO] [stdout]   --> src/disk_manager.rs:12:12
[INFO] [stdout]    |
[INFO] [stdout] 12 | pub struct DiskManager {
[INFO] [stdout]    |            ^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: struct `PageID` is never constructed
[INFO] [stdout]   --> src/disk_manager.rs:22:12
[INFO] [stdout]    |
[INFO] [stdout] 22 | pub struct PageID(pub u64);
[INFO] [stdout]    |            ^^^^^^
[INFO] [stdout]    |
[INFO] [stdout]    = note: `PageID` has derived impls for the traits `Debug` and `Clone`, but these are intentionally ignored during dead code analysis
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: method `to_u64` is never used
[INFO] [stdout]   --> src/disk_manager.rs:25:12
[INFO] [stdout]    |
[INFO] [stdout] 24 | impl PageID {
[INFO] [stdout]    | ----------- method in this implementation
[INFO] [stdout] 25 |     pub fn to_u64(self) -> u64 {
[INFO] [stdout]    |            ^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: associated items `new`, `allocate_page`, `read`, and `write` are never used
[INFO] [stdout]   --> src/disk_manager.rs:32:12
[INFO] [stdout]    |
[INFO] [stdout] 30 | impl DiskManager {
[INFO] [stdout]    | ---------------- associated items in this implementation
[INFO] [stdout] 31 |     // コンストラクタ
[INFO] [stdout] 32 |     pub fn new(heap_file_path: impl AsRef<Path>) -> io::Result<Self> {
[INFO] [stdout]    |            ^^^
[INFO] [stdout] ...
[INFO] [stdout] 51 |     pub fn allocate_page(&mut self) -> PageID {
[INFO] [stdout]    |            ^^^^^^^^^^^^^
[INFO] [stdout] ...
[INFO] [stdout] 58 |     pub fn read(&mut self, page_id: PageID, data: &mut [u8]) -> io::Result<()> {
[INFO] [stdout]    |            ^^^^
[INFO] [stdout] ...
[INFO] [stdout] 68 |     pub fn write(&mut self, page_id: PageID, data: &[u8]) -> io::Result<()> {
[INFO] [stdout]    |            ^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: 5 warnings emitted
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused `Result` that must be used
[INFO] [stdout]    --> src/disk_manager.rs:111:9
[INFO] [stdout]     |
[INFO] [stdout] 111 |         disk2.read(test_page_id, &mut buffer);
[INFO] [stdout]     |         ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout]     |
[INFO] [stdout]     = note: this `Result` may be an `Err` variant, which should be handled
[INFO] [stdout]     = note: `#[warn(unused_must_use)]` on by default
[INFO] [stdout] help: use `let _ = ...` to ignore the resulting value
[INFO] [stdout]     |
[INFO] [stdout] 111 |         let _ = disk2.read(test_page_id, &mut buffer);
[INFO] [stdout]     |         +++++++
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused `Result` that must be used
[INFO] [stdout]    --> src/disk_manager.rs:113:9
[INFO] [stdout]     |
[INFO] [stdout] 113 |         disk2.read(second_test_page_id, &mut buffer);
[INFO] [stdout]     |         ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout]     |
[INFO] [stdout]     = note: this `Result` may be an `Err` variant, which should be handled
[INFO] [stdout] help: use `let _ = ...` to ignore the resulting value
[INFO] [stdout]     |
[INFO] [stdout] 113 |         let _ = disk2.read(second_test_page_id, &mut buffer);
[INFO] [stdout]     |         +++++++
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: 2 warnings emitted
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr]     Finished `dev` profile [unoptimized + debuginfo] target(s) in 2.95s
[INFO] running `Command { std: "docker" "inspect" "d202db0c1b8a1a077cfbb5b4eae44df066478e7f986f1a22a089229b5b98c4b9", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "d202db0c1b8a1a077cfbb5b4eae44df066478e7f986f1a22a089229b5b98c4b9", kill_on_drop: false }`
[INFO] [stdout] d202db0c1b8a1a077cfbb5b4eae44df066478e7f986f1a22a089229b5b98c4b9