[INFO] cloning repository https://github.com/p1ass/rust-rdbms
[INFO] running `Command { std: "git" "-c" "credential.helper=" "-c" "credential.helper=/workspace/cargo-home/bin/git-credential-null" "clone" "--bare" "https://github.com/p1ass/rust-rdbms" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fp1ass%2Frust-rdbms", kill_on_drop: false }`
[INFO] [stderr] Cloning into bare repository '/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fp1ass%2Frust-rdbms'...
[INFO] running `Command { std: "git" "rev-parse" "HEAD", kill_on_drop: false }`
[INFO] [stdout] 1d1641c907a42e2468dcda402ebdac2658256305
[INFO] checking p1ass/rust-rdbms against 1.55.0 for beta-1.56-3
[INFO] running `Command { std: "git" "clone" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fp1ass%2Frust-rdbms" "/workspace/builds/worker-109/source", kill_on_drop: false }`
[INFO] [stderr] Cloning into '/workspace/builds/worker-109/source'...
[INFO] [stderr] done.
[INFO] validating manifest of git repo https://github.com/p1ass/rust-rdbms on toolchain 1.55.0
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+1.55.0" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }`
[INFO] started tweaking git repo https://github.com/p1ass/rust-rdbms
[INFO] finished tweaking git repo https://github.com/p1ass/rust-rdbms
[INFO] tweaked toml for git repo https://github.com/p1ass/rust-rdbms written to /workspace/builds/worker-109/source/Cargo.toml
[INFO] crate git repo https://github.com/p1ass/rust-rdbms already has a lockfile, it will not be regenerated
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+1.55.0" "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-109/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-109/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:a89201d6b5b9fd45c15d5952ece0a0129e7e80cb26ec023fd59cf09bc26f1604" "/opt/rustwide/cargo-home/bin/cargo" "+1.55.0" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] 1c2470ae9bcad9f5347f3179d4e6af33fa30a3f2f0d17d052b745a2b0792b28e
[INFO] running `Command { std: "docker" "start" "-a" "1c2470ae9bcad9f5347f3179d4e6af33fa30a3f2f0d17d052b745a2b0792b28e", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "1c2470ae9bcad9f5347f3179d4e6af33fa30a3f2f0d17d052b745a2b0792b28e", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "1c2470ae9bcad9f5347f3179d4e6af33fa30a3f2f0d17d052b745a2b0792b28e", kill_on_drop: false }`
[INFO] [stdout] 1c2470ae9bcad9f5347f3179d4e6af33fa30a3f2f0d17d052b745a2b0792b28e
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-109/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-109/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" "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:a89201d6b5b9fd45c15d5952ece0a0129e7e80cb26ec023fd59cf09bc26f1604" "/opt/rustwide/cargo-home/bin/cargo" "+1.55.0" "check" "--frozen" "--all" "--all-targets" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] 00a725485413af4f81fee09c5e83731f4cf18ca4f529bea36dec7d586170f560
[INFO] running `Command { std: "docker" "start" "-a" "00a725485413af4f81fee09c5e83731f4cf18ca4f529bea36dec7d586170f560", kill_on_drop: false }`
[INFO] [stderr]     Blocking waiting for file lock on package cache
[INFO] [stderr]    Compiling syn v1.0.71
[INFO] [stderr]    Compiling libc v0.2.94
[INFO] [stderr]    Compiling anyhow v1.0.40
[INFO] [stderr]     Checking byteorder v1.4.3
[INFO] [stderr]    Compiling proc-macro2 v1.0.26
[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]    Compiling synstructure v0.12.4
[INFO] [stderr]     Checking tempfile v3.2.0
[INFO] [stderr]    Compiling serde_derive v1.0.125
[INFO] [stderr]    Compiling thiserror-impl v1.0.24
[INFO] [stderr]    Compiling zerocopy-derive v0.2.0
[INFO] [stderr]     Checking zerocopy v0.3.0
[INFO] [stderr]     Checking thiserror v1.0.24
[INFO] [stderr]     Checking serde v1.0.125
[INFO] [stderr]     Checking bincode v1.3.3
[INFO] [stderr]     Checking rust-rdbms v0.1.0 (/opt/rustwide/workdir)
[INFO] [stdout] warning: unused import: `Page`
[INFO] [stdout]  --> src/query.rs:4:40
[INFO] [stdout]   |
[INFO] [stdout] 4 | use crate::buffer::{BufferPoolManager, Page};
[INFO] [stdout]   |                                        ^^^^
[INFO] [stdout]   |
[INFO] [stdout]   = note: `#[warn(unused_imports)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused import: `Page`
[INFO] [stdout]  --> src/table.rs:2:40
[INFO] [stdout]   |
[INFO] [stdout] 2 | use crate::buffer::{BufferPoolManager, Page};
[INFO] [stdout]   |                                        ^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused import: `Page`
[INFO] [stdout]  --> src/query.rs:4:40
[INFO] [stdout]   |
[INFO] [stdout] 4 | use crate::buffer::{BufferPoolManager, Page};
[INFO] [stdout]   |                                        ^^^^
[INFO] [stdout]   |
[INFO] [stdout]   = note: `#[warn(unused_imports)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused import: `Page`
[INFO] [stdout]  --> src/table.rs:2:40
[INFO] [stdout]   |
[INFO] [stdout] 2 | use crate::buffer::{BufferPoolManager, Page};
[INFO] [stdout]   |                                        ^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused `Result` that must be used
[INFO] [stdout]   --> src/table.rs:86:9
[INFO] [stdout]    |
[INFO] [stdout] 86 |         btree.insert(bufmgr, &skey, pkey);
[INFO] [stdout]    |         ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout]    |
[INFO] [stdout]    = note: `#[warn(unused_must_use)]` on by default
[INFO] [stdout]    = note: this `Result` may be an `Err` variant, which should be handled
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: 3 warnings emitted
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: associated function is never used: `search_pair`
[INFO] [stdout]   --> src/btree/leaf.rs:49:12
[INFO] [stdout]    |
[INFO] [stdout] 49 |     pub fn search_pair(&self, key: &[u8]) -> Option<Pair> {
[INFO] [stdout]    |            ^^^^^^^^^^^
[INFO] [stdout]    |
[INFO] [stdout]    = note: `#[warn(dead_code)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused `Result` that must be used
[INFO] [stdout]   --> src/table.rs:86:9
[INFO] [stdout]    |
[INFO] [stdout] 86 |         btree.insert(bufmgr, &skey, pkey);
[INFO] [stdout]    |         ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout]    |
[INFO] [stdout]    = note: `#[warn(unused_must_use)]` on by default
[INFO] [stdout]    = note: this `Result` may be an `Err` variant, which should be handled
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: 4 warnings emitted
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused `Result` that must be used
[INFO] [stdout]   --> src/main.rs:15:5
[INFO] [stdout]    |
[INFO] [stdout] 15 |     table.create(&mut bufmgr);
[INFO] [stdout]    |     ^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout]    |
[INFO] [stdout]    = note: `#[warn(unused_must_use)]` on by default
[INFO] [stdout]    = note: this `Result` may be an `Err` variant, which should be handled
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: 1 warning emitted
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error[E0433]: failed to resolve: use of undeclared type `BTree`
[INFO] [stdout]   --> examples/btree-query.rs:11:17
[INFO] [stdout]    |
[INFO] [stdout] 11 |     let btree = BTree::new(PageId(0));
[INFO] [stdout]    |                 ^^^^^ not found in this scope
[INFO] [stdout]    |
[INFO] [stdout] help: consider importing this struct
[INFO] [stdout]    |
[INFO] [stdout] 1  | use rust_rdbms::btree::BTree;
[INFO] [stdout]    |
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error[E0433]: failed to resolve: use of undeclared type `SearchMode`
[INFO] [stdout]   --> examples/btree-query.rs:12:46
[INFO] [stdout]    |
[INFO] [stdout] 12 |     let mut iter = btree.search(&mut bufmgr, SearchMode::Key(b"Hyogo".to_vec()))?;
[INFO] [stdout]    |                                              ^^^^^^^^^^ not found in this scope
[INFO] [stdout]    |
[INFO] [stdout] help: consider importing this enum
[INFO] [stdout]    |
[INFO] [stdout] 1  | use rust_rdbms::btree::SearchMode;
[INFO] [stdout]    |
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error[E0433]: failed to resolve: use of undeclared type `BTree`
[INFO] [stdout]  --> examples/btree-create.rs:9:17
[INFO] [stdout]   |
[INFO] [stdout] 9 |     let btree = BTree::create(&mut bufmgr)?;
[INFO] [stdout]   |                 ^^^^^ not found in this scope
[INFO] [stdout]   |
[INFO] [stdout] help: consider importing this struct
[INFO] [stdout]   |
[INFO] [stdout] 1 | use rust_rdbms::btree::BTree;
[INFO] [stdout]   |
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused `Result` that must be used
[INFO] [stdout]   --> src/main.rs:15:5
[INFO] [stdout]    |
[INFO] [stdout] 15 |     table.create(&mut bufmgr);
[INFO] [stdout]    |     ^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout]    |
[INFO] [stdout]    = note: `#[warn(unused_must_use)]` on by default
[INFO] [stdout]    = note: this `Result` may be an `Err` variant, which should be handled
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: 1 warning emitted
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error: aborting due to 2 previous errors
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] For more information about this error, try `rustc --explain E0433`.
[INFO] [stdout] 
[INFO] [stderr] error: could not compile `rust-rdbms` due to 3 previous errors
[INFO] [stderr] warning: build failed, waiting for other jobs to finish...
[INFO] [stdout] error[E0277]: `?` couldn't convert the error to `()`
[INFO] [stdout]    --> examples/btree-create.rs:5:45
[INFO] [stdout]     |
[INFO] [stdout] 4   | fn main() -> Result<(), ()> {
[INFO] [stdout]     |              -------------- expected `()` because of this
[INFO] [stdout] 5   |     let disk = DiskManager::open("test.btr")?;
[INFO] [stdout]     |                                             ^ the trait `From<std::io::Error>` is not implemented for `()`
[INFO] [stdout]     |
[INFO] [stdout]     = note: the question mark operation (`?`) implicitly performs a conversion on the error value using the `From` trait
[INFO] [stdout]     = note: required because of the requirements on the impl of `FromResidual<Result<Infallible, std::io::Error>>` for `Result<(), ()>`
[INFO] [stdout] note: required by `from_residual`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error[E0277]: `?` couldn't convert the error to `()`
[INFO] [stdout]    --> examples/btree-create.rs:18:19
[INFO] [stdout]     |
[INFO] [stdout] 4   | fn main() -> Result<(), ()> {
[INFO] [stdout]     |              -------------- expected `()` because of this
[INFO] [stdout] ...
[INFO] [stdout] 18  |     bufmgr.flush()?;
[INFO] [stdout]     |                   ^ the trait `From<rust_rdbms::buffer::Error>` is not implemented for `()`
[INFO] [stdout]     |
[INFO] [stdout]     = note: the question mark operation (`?`) implicitly performs a conversion on the error value using the `From` trait
[INFO] [stdout]     = note: required because of the requirements on the impl of `FromResidual<Result<Infallible, rust_rdbms::buffer::Error>>` for `Result<(), ()>`
[INFO] [stdout] note: required by `from_residual`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error: aborting due to 3 previous errors
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] Some errors have detailed explanations: E0277, E0433.
[INFO] [stdout] 
[INFO] [stdout] For more information about an error, try `rustc --explain E0277`.
[INFO] [stdout] 
[INFO] [stderr] error: build failed
[INFO] running `Command { std: "docker" "inspect" "00a725485413af4f81fee09c5e83731f4cf18ca4f529bea36dec7d586170f560", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "00a725485413af4f81fee09c5e83731f4cf18ca4f529bea36dec7d586170f560", kill_on_drop: false }`
[INFO] [stdout] 00a725485413af4f81fee09c5e83731f4cf18ca4f529bea36dec7d586170f560
