[INFO] cloning repository https://github.com/kse201/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/kse201/mini_rdbms" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fkse201%2Fmini_rdbms", kill_on_drop: false }`
[INFO] [stderr] Cloning into bare repository '/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fkse201%2Fmini_rdbms'...
[INFO] running `Command { std: "git" "rev-parse" "HEAD", kill_on_drop: false }`
[INFO] [stdout] aef5fdb627821b71e923f3c151254fba5e45a426
[INFO] checking kse201/mini_rdbms against master#33fdb797f59421c7bbecaa4588ed5d7a31a9494a for pr-87190-3
[INFO] running `Command { std: "git" "clone" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fkse201%2Fmini_rdbms" "/workspace/builds/worker-78/source", kill_on_drop: false }`
[INFO] [stderr] Cloning into '/workspace/builds/worker-78/source'...
[INFO] [stderr] done.
[INFO] validating manifest of git repo https://github.com/kse201/mini_rdbms on toolchain 33fdb797f59421c7bbecaa4588ed5d7a31a9494a
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+33fdb797f59421c7bbecaa4588ed5d7a31a9494a" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }`
[INFO] started tweaking git repo https://github.com/kse201/mini_rdbms
[INFO] finished tweaking git repo https://github.com/kse201/mini_rdbms
[INFO] tweaked toml for git repo https://github.com/kse201/mini_rdbms written to /workspace/builds/worker-78/source/Cargo.toml
[INFO] crate git repo https://github.com/kse201/mini_rdbms already has a lockfile, it will not be regenerated
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+33fdb797f59421c7bbecaa4588ed5d7a31a9494a" "fetch" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] [stderr]     Blocking waiting for file lock on package cache
[INFO] [stderr]     Blocking waiting for file lock on package cache
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-78/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-78/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@sha256:34b6a614d2c27851fe6cbf88fbd1137609cefab8b10d0615aaeb6fd47975d74e" "/opt/rustwide/cargo-home/bin/cargo" "+33fdb797f59421c7bbecaa4588ed5d7a31a9494a" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] a9cc2b7ae65ad473f9f4754463ab7ecba2fef3c07f52bef5d4953c088efeb9fc
[INFO] running `Command { std: "docker" "start" "-a" "a9cc2b7ae65ad473f9f4754463ab7ecba2fef3c07f52bef5d4953c088efeb9fc", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "a9cc2b7ae65ad473f9f4754463ab7ecba2fef3c07f52bef5d4953c088efeb9fc", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "a9cc2b7ae65ad473f9f4754463ab7ecba2fef3c07f52bef5d4953c088efeb9fc", kill_on_drop: false }`
[INFO] [stdout] a9cc2b7ae65ad473f9f4754463ab7ecba2fef3c07f52bef5d4953c088efeb9fc
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-78/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-78/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" "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@sha256:34b6a614d2c27851fe6cbf88fbd1137609cefab8b10d0615aaeb6fd47975d74e" "/opt/rustwide/cargo-home/bin/cargo" "+33fdb797f59421c7bbecaa4588ed5d7a31a9494a" "check" "--frozen" "--all" "--all-targets" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] d3863cd3190473bfb426053aa49cdde26d5a3cc07cf680dfd2fd8c99ace3c278
[INFO] running `Command { std: "docker" "start" "-a" "d3863cd3190473bfb426053aa49cdde26d5a3cc07cf680dfd2fd8c99ace3c278", kill_on_drop: false }`
[INFO] [stderr]     Blocking waiting for file lock on package cache
[INFO] [stderr]    Compiling libc v0.2.94
[INFO] [stderr]    Compiling proc-macro2 v1.0.26
[INFO] [stderr]    Compiling syn v1.0.71
[INFO] [stderr]     Checking remove_dir_all v0.5.3
[INFO] [stderr]    Compiling quote v1.0.9
[INFO] [stderr]     Checking getrandom v0.2.2
[INFO] [stderr]     Checking rand_core v0.6.2
[INFO] [stderr]     Checking rand_chacha v0.3.0
[INFO] [stderr]     Checking rand v0.8.3
[INFO] [stderr]     Checking tempfile v3.2.0
[INFO] [stderr]    Compiling thiserror-impl v1.0.24
[INFO] [stderr]     Checking thiserror v1.0.24
[INFO] [stderr]     Checking mini_rdms v0.1.0 (/opt/rustwide/workdir)
[INFO] [stdout] warning: variant is never constructed: `NoFreeBuffer`
[INFO] [stdout]   --> src/buffer.rs:17:5
[INFO] [stdout]    |
[INFO] [stdout] 17 |     NoFreeBuffer,
[INFO] [stdout]    |     ^^^^^^^^^^^^
[INFO] [stdout]    |
[INFO] [stdout]    = note: `#[warn(dead_code)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: field is never read: `next_victim_id`
[INFO] [stdout]   --> src/buffer.rs:45:5
[INFO] [stdout]    |
[INFO] [stdout] 45 |     next_victim_id: BufferId,
[INFO] [stdout]    |     ^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: associated function is never used: `size`
[INFO] [stdout]   --> src/buffer.rs:59:8
[INFO] [stdout]    |
[INFO] [stdout] 59 |     fn size(&self) -> usize {
[INFO] [stdout]    |        ^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: associated function is never used: `evict`
[INFO] [stdout]   --> src/buffer.rs:63:8
[INFO] [stdout]    |
[INFO] [stdout] 63 |     fn evict(&mut self) -> Option<BufferId> {
[INFO] [stdout]    |        ^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: associated function is never used: `increment_id`
[INFO] [stdout]   --> src/buffer.rs:90:8
[INFO] [stdout]    |
[INFO] [stdout] 90 |     fn increment_id(&self, buffer_id: BufferId) -> BufferId {
[INFO] [stdout]    |        ^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: field is never read: `disk`
[INFO] [stdout]    --> src/buffer.rs:112:5
[INFO] [stdout]     |
[INFO] [stdout] 112 |     disk: DiskManager,
[INFO] [stdout]     |     ^^^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: field is never read: `pool`
[INFO] [stdout]    --> src/buffer.rs:113:5
[INFO] [stdout]     |
[INFO] [stdout] 113 |     pool: BufferPool,
[INFO] [stdout]     |     ^^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: field is never read: `page_table`
[INFO] [stdout]    --> src/buffer.rs:114:5
[INFO] [stdout]     |
[INFO] [stdout] 114 |     page_table: HashMap<PageId, BufferId>,
[INFO] [stdout]     |     ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: associated function is never used: `fetch_page`
[INFO] [stdout]    --> src/buffer.rs:126:8
[INFO] [stdout]     |
[INFO] [stdout] 126 |     fn fetch_page(&mut self, page_id: PageId) -> Result<Rc<Buffer>, Error> {
[INFO] [stdout]     |        ^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: associated function is never used: `create_page`
[INFO] [stdout]    --> src/buffer.rs:150:8
[INFO] [stdout]     |
[INFO] [stdout] 150 |     fn create_page(&mut self) -> Result<Rc<Buffer>, Error> {
[INFO] [stdout]     |        ^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: 10 warnings emitted
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 29.15s
[INFO] running `Command { std: "docker" "inspect" "d3863cd3190473bfb426053aa49cdde26d5a3cc07cf680dfd2fd8c99ace3c278", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "d3863cd3190473bfb426053aa49cdde26d5a3cc07cf680dfd2fd8c99ace3c278", kill_on_drop: false }`
[INFO] [stdout] d3863cd3190473bfb426053aa49cdde26d5a3cc07cf680dfd2fd8c99ace3c278