[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] testing p1ass/rust-rdbms against beta-2021-08-01 for beta-1.55-1
[INFO] running `Command { std: "git" "clone" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fp1ass%2Frust-rdbms" "/workspace/builds/worker-15/source", kill_on_drop: false }`
[INFO] [stderr] Cloning into '/workspace/builds/worker-15/source'...
[INFO] [stderr] done.
[INFO] validating manifest of git repo https://github.com/p1ass/rust-rdbms on toolchain beta-2021-08-01
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+beta-2021-08-01" "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-15/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" "+beta-2021-08-01" "fetch" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] [stderr]  Downloading crates ...
[INFO] [stderr]   Downloaded zerocopy v0.3.0
[INFO] [stderr]   Downloaded syn v1.0.71
[INFO] [stderr]   Downloaded zerocopy-derive v0.2.0
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-15/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-15/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" "+beta-2021-08-01" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] 26bc73c7cb54aeb60640b331cf16515e2d55cc0ef3db7305add021a9c7e0f37a
[INFO] running `Command { std: "docker" "start" "-a" "26bc73c7cb54aeb60640b331cf16515e2d55cc0ef3db7305add021a9c7e0f37a", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "26bc73c7cb54aeb60640b331cf16515e2d55cc0ef3db7305add021a9c7e0f37a", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "26bc73c7cb54aeb60640b331cf16515e2d55cc0ef3db7305add021a9c7e0f37a", kill_on_drop: false }`
[INFO] [stdout] 26bc73c7cb54aeb60640b331cf16515e2d55cc0ef3db7305add021a9c7e0f37a
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-15/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-15/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@sha256:34b6a614d2c27851fe6cbf88fbd1137609cefab8b10d0615aaeb6fd47975d74e" "/opt/rustwide/cargo-home/bin/cargo" "+beta-2021-08-01" "build" "--frozen" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] b863dd0809cfb6f924535e65922e1a93e19d22faa852386fa4b31c01406fe166
[INFO] running `Command { std: "docker" "start" "-a" "b863dd0809cfb6f924535e65922e1a93e19d22faa852386fa4b31c01406fe166", kill_on_drop: false }`
[INFO] [stderr]    Compiling syn v1.0.71
[INFO] [stderr]    Compiling synstructure v0.12.4
[INFO] [stderr]    Compiling serde_derive v1.0.125
[INFO] [stderr]    Compiling zerocopy-derive v0.2.0
[INFO] [stderr]    Compiling thiserror-impl v1.0.24
[INFO] [stderr]    Compiling zerocopy v0.3.0
[INFO] [stderr]    Compiling thiserror v1.0.24
[INFO] [stderr]    Compiling serde v1.0.125
[INFO] [stderr]    Compiling bincode v1.3.3
[INFO] [stderr]    Compiling 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 `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: 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] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 24.34s
[INFO] running `Command { std: "docker" "inspect" "b863dd0809cfb6f924535e65922e1a93e19d22faa852386fa4b31c01406fe166", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "b863dd0809cfb6f924535e65922e1a93e19d22faa852386fa4b31c01406fe166", kill_on_drop: false }`
[INFO] [stdout] b863dd0809cfb6f924535e65922e1a93e19d22faa852386fa4b31c01406fe166
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-15/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-15/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@sha256:34b6a614d2c27851fe6cbf88fbd1137609cefab8b10d0615aaeb6fd47975d74e" "/opt/rustwide/cargo-home/bin/cargo" "+beta-2021-08-01" "test" "--frozen" "--no-run" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] c28a3fe4fc52dba3d7ab7817e6e7929f3d60413a030e187a19daa0fd26d084b6
[INFO] running `Command { std: "docker" "start" "-a" "c28a3fe4fc52dba3d7ab7817e6e7929f3d60413a030e187a19daa0fd26d084b6", kill_on_drop: false }`
[INFO] [stderr]    Compiling getrandom v0.2.2
[INFO] [stderr]    Compiling sha-1 v0.9.4
[INFO] [stderr]    Compiling md-5 v0.9.1
[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] [stderr]    Compiling rand_core v0.6.2
[INFO] [stderr]    Compiling rand_chacha v0.3.0
[INFO] [stderr]    Compiling rand v0.8.3
[INFO] [stderr]    Compiling tempfile v3.2.0
[INFO] [stderr]    Compiling rust-rdbms v0.1.0 (/opt/rustwide/workdir)
[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: 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] 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] 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] 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] error: aborting due to 2 previous errors
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr] error: could not compile `rust-rdbms` due to 3 previous errors
[INFO] [stdout] For more information about this error, try `rustc --explain E0433`.
[INFO] [stdout] 
[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] [stdout] warning: 1 warning 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] [stderr] error: build failed
[INFO] running `Command { std: "docker" "inspect" "c28a3fe4fc52dba3d7ab7817e6e7929f3d60413a030e187a19daa0fd26d084b6", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "c28a3fe4fc52dba3d7ab7817e6e7929f3d60413a030e187a19daa0fd26d084b6", kill_on_drop: false }`
[INFO] [stdout] c28a3fe4fc52dba3d7ab7817e6e7929f3d60413a030e187a19daa0fd26d084b6
