[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] building mafron/mini-rdbms against master#11663cd3bfefef7d34e8f0892c250bf698049392+rustflags=-Dtail-expr-drop-order for pr-134523 [INFO] running `Command { std: "git" "clone" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fmafron%2Fmini-rdbms" "/workspace/builds/worker-0-tc1/source", kill_on_drop: false }` [INFO] [stderr] Cloning into '/workspace/builds/worker-0-tc1/source'... [INFO] [stderr] done. [INFO] validating manifest of git repo https://github.com/mafron/mini-rdbms on toolchain 11663cd3bfefef7d34e8f0892c250bf698049392 [INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+11663cd3bfefef7d34e8f0892c250bf698049392" "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-0-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" "+11663cd3bfefef7d34e8f0892c250bf698049392" "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:f3a9d4ad9d972b27faf3965f35b62e55ba32bbce8f20bc8fe909558a86702fde" "/opt/rustwide/cargo-home/bin/cargo" "+11663cd3bfefef7d34e8f0892c250bf698049392" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }` [INFO] [stdout] 625657e0f2cf0e05d7da95ef503eb34068d343e0c466e3fd4f46a0e78aff3293 [INFO] running `Command { std: "docker" "start" "-a" "625657e0f2cf0e05d7da95ef503eb34068d343e0c466e3fd4f46a0e78aff3293", kill_on_drop: false }` [INFO] running `Command { std: "docker" "inspect" "625657e0f2cf0e05d7da95ef503eb34068d343e0c466e3fd4f46a0e78aff3293", kill_on_drop: false }` [INFO] running `Command { std: "docker" "rm" "-f" "625657e0f2cf0e05d7da95ef503eb34068d343e0c466e3fd4f46a0e78aff3293", kill_on_drop: false }` [INFO] [stdout] 625657e0f2cf0e05d7da95ef503eb34068d343e0c466e3fd4f46a0e78aff3293 [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=forbid -Dtail-expr-drop-order" "-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:f3a9d4ad9d972b27faf3965f35b62e55ba32bbce8f20bc8fe909558a86702fde" "/opt/rustwide/cargo-home/bin/cargo" "+11663cd3bfefef7d34e8f0892c250bf698049392" "build" "--frozen" "--message-format=json", kill_on_drop: false }` [INFO] [stdout] 364db2be82a5a39546272924a9723d61aa88a3a98dc628b98f71a9f82f9cdd41 [INFO] running `Command { std: "docker" "start" "-a" "364db2be82a5a39546272924a9723d61aa88a3a98dc628b98f71a9f82f9cdd41", kill_on_drop: false }` [INFO] [stderr] Compiling rustix v0.38.34 [INFO] [stderr] Compiling linux-raw-sys v0.4.14 [INFO] [stderr] Compiling bitflags v2.6.0 [INFO] [stderr] Compiling cfg-if v1.0.0 [INFO] [stderr] Compiling fastrand v2.1.0 [INFO] [stderr] Compiling once_cell v1.19.0 [INFO] [stderr] Compiling tempfile v3.12.0 [INFO] [stderr] Compiling 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) -> io::Result { [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] [stderr] Finished `dev` profile [unoptimized + debuginfo] target(s) in 3.06s [INFO] running `Command { std: "docker" "inspect" "364db2be82a5a39546272924a9723d61aa88a3a98dc628b98f71a9f82f9cdd41", kill_on_drop: false }` [INFO] running `Command { std: "docker" "rm" "-f" "364db2be82a5a39546272924a9723d61aa88a3a98dc628b98f71a9f82f9cdd41", kill_on_drop: false }` [INFO] [stdout] 364db2be82a5a39546272924a9723d61aa88a3a98dc628b98f71a9f82f9cdd41 [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=forbid -Dtail-expr-drop-order" "-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:f3a9d4ad9d972b27faf3965f35b62e55ba32bbce8f20bc8fe909558a86702fde" "/opt/rustwide/cargo-home/bin/cargo" "+11663cd3bfefef7d34e8f0892c250bf698049392" "test" "--frozen" "--no-run" "--message-format=json", kill_on_drop: false }` [INFO] [stdout] 15b41ee063a85f95df07d9658af0a366554b592afcb9bc7a74c13fb9aa20ce98 [INFO] running `Command { std: "docker" "start" "-a" "15b41ee063a85f95df07d9658af0a366554b592afcb9bc7a74c13fb9aa20ce98", kill_on_drop: false }` [INFO] [stderr] Compiling mini-rdbms v0.1.0 (/opt/rustwide/workdir) [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] [stderr] Finished `test` profile [unoptimized + debuginfo] target(s) in 0.23s [INFO] running `Command { std: "docker" "inspect" "15b41ee063a85f95df07d9658af0a366554b592afcb9bc7a74c13fb9aa20ce98", kill_on_drop: false }` [INFO] running `Command { std: "docker" "rm" "-f" "15b41ee063a85f95df07d9658af0a366554b592afcb9bc7a74c13fb9aa20ce98", kill_on_drop: false }` [INFO] [stdout] 15b41ee063a85f95df07d9658af0a366554b592afcb9bc7a74c13fb9aa20ce98