[INFO] cloning repository https://github.com/BenjaminHelyer/gondor-rdbms
[INFO] running `Command { std: "git" "-c" "credential.helper=" "-c" "credential.helper=/workspace/cargo-home/bin/git-credential-null" "clone" "--bare" "https://github.com/BenjaminHelyer/gondor-rdbms" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2FBenjaminHelyer%2Fgondor-rdbms", kill_on_drop: false }`
[INFO] [stderr] Cloning into bare repository '/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2FBenjaminHelyer%2Fgondor-rdbms'...
[INFO] running `Command { std: "git" "rev-parse" "HEAD", kill_on_drop: false }`
[INFO] [stdout] 92760bbfb895264fdcb9ff70153d3c6257cb5c30
[INFO] checking BenjaminHelyer/gondor-rdbms against try#438eb4c1a1c3841523d7f672601e8adbe04cff28 for pr-147589-1
[INFO] running `Command { std: "git" "clone" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2FBenjaminHelyer%2Fgondor-rdbms" "/workspace/builds/worker-5-tc2/source", kill_on_drop: false }`
[INFO] [stderr] Cloning into '/workspace/builds/worker-5-tc2/source'...
[INFO] [stderr] done.
[INFO] started tweaking git repo https://github.com/BenjaminHelyer/gondor-rdbms
[INFO] finished tweaking git repo https://github.com/BenjaminHelyer/gondor-rdbms
[INFO] tweaked toml for git repo https://github.com/BenjaminHelyer/gondor-rdbms written to /workspace/builds/worker-5-tc2/source/Cargo.toml
[INFO] validating manifest of git repo https://github.com/BenjaminHelyer/gondor-rdbms on toolchain 438eb4c1a1c3841523d7f672601e8adbe04cff28
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+438eb4c1a1c3841523d7f672601e8adbe04cff28" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }`
[INFO] crate git repo https://github.com/BenjaminHelyer/gondor-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" "+438eb4c1a1c3841523d7f672601e8adbe04cff28" "fetch" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-5-tc2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-5-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:e90291280db7d1fac5b66fc6dad9f9662629e7365a55743daf9bdf73ebc4ea79" "/opt/rustwide/cargo-home/bin/cargo" "+438eb4c1a1c3841523d7f672601e8adbe04cff28" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] d19e65f9b6f352a105d53225b6da23a9f3ee38991956c1d5fc846af9fb08c57b
[INFO] running `Command { std: "docker" "start" "-a" "d19e65f9b6f352a105d53225b6da23a9f3ee38991956c1d5fc846af9fb08c57b", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "d19e65f9b6f352a105d53225b6da23a9f3ee38991956c1d5fc846af9fb08c57b", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "d19e65f9b6f352a105d53225b6da23a9f3ee38991956c1d5fc846af9fb08c57b", kill_on_drop: false }`
[INFO] [stdout] d19e65f9b6f352a105d53225b6da23a9f3ee38991956c1d5fc846af9fb08c57b
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-5-tc2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-5-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:e90291280db7d1fac5b66fc6dad9f9662629e7365a55743daf9bdf73ebc4ea79" "/opt/rustwide/cargo-home/bin/cargo" "+438eb4c1a1c3841523d7f672601e8adbe04cff28" "check" "--frozen" "--all" "--all-targets" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] 20726de1bece63352b7b79dcd2872a947b9f152084f53697f4e837cd5b38dfb1
[INFO] running `Command { std: "docker" "start" "-a" "20726de1bece63352b7b79dcd2872a947b9f152084f53697f4e837cd5b38dfb1", kill_on_drop: false }`
[INFO] [stderr]    Compiling libc v0.2.172
[INFO] [stderr]     Checking once_cell v1.21.3
[INFO] [stderr]     Checking gondor-rdbms v0.1.0 (/opt/rustwide/workdir)
[INFO] [stdout] warning: unused variable: `header`
[INFO] [stdout]    --> src/storage/page.rs:226:13
[INFO] [stdout]     |
[INFO] [stdout] 226 |         let header = self.get_header();
[INFO] [stdout]     |             ^^^^^^ help: if this is intentional, prefix it with an underscore: `_header`
[INFO] [stdout]     |
[INFO] [stdout]     = note: `#[warn(unused_variables)]` (part of `#[warn(unused)]`) on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `header`
[INFO] [stdout]    --> src/storage/page.rs:243:13
[INFO] [stdout]     |
[INFO] [stdout] 243 |         let header = self.parse_header_from_contents()?;
[INFO] [stdout]     |             ^^^^^^ help: if this is intentional, prefix it with an underscore: `_header`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused `Result` that must be used
[INFO] [stdout]    --> src/storage/page.rs:179:9
[INFO] [stdout]     |
[INFO] [stdout] 179 |         self.update_header(new_free_space_total, new_offset_begin_free_space, new_offset_end_free_space);
[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)]` (part of `#[warn(unused)]`) on by default
[INFO] [stdout] help: use `let _ = ...` to ignore the resulting value
[INFO] [stdout]     |
[INFO] [stdout] 179 |         let _ = self.update_header(new_free_space_total, new_offset_begin_free_space, new_offset_end_free_space);
[INFO] [stdout]     |         +++++++
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused `Result` that must be used
[INFO] [stdout]    --> src/storage/page.rs:220:9
[INFO] [stdout]     |
[INFO] [stdout] 220 |         self.update_header(new_free_space_total, new_offset_begin_free_space, new_offset_end_free_space);
[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] 220 |         let _ = self.update_header(new_free_space_total, new_offset_begin_free_space, new_offset_end_free_space);
[INFO] [stdout]     |         +++++++
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused `Result` that must be used
[INFO] [stdout]    --> src/storage/page.rs:292:9
[INFO] [stdout]     |
[INFO] [stdout] 292 |         self.update_header(new_free_space_total, new_offset_begin_free_space, header.offset_end_free_space);
[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] 292 |         let _ = self.update_header(new_free_space_total, new_offset_begin_free_space, header.offset_end_free_space);
[INFO] [stdout]     |         +++++++
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `page`
[INFO] [stdout]  --> src/main.rs:8:9
[INFO] [stdout]   |
[INFO] [stdout] 8 |     let page = Page::new(1);
[INFO] [stdout]   |         ^^^^ help: if this is intentional, prefix it with an underscore: `_page`
[INFO] [stdout]   |
[INFO] [stdout]   = note: `#[warn(unused_variables)]` (part of `#[warn(unused)]`) on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr]     Checking getrandom v0.3.3
[INFO] [stderr]     Checking tempfile v3.20.0
[INFO] [stdout] warning: unused variable: `page`
[INFO] [stdout]  --> src/main.rs:8:9
[INFO] [stdout]   |
[INFO] [stdout] 8 |     let page = Page::new(1);
[INFO] [stdout]   |         ^^^^ help: if this is intentional, prefix it with an underscore: `_page`
[INFO] [stdout]   |
[INFO] [stdout]   = note: `#[warn(unused_variables)]` (part of `#[warn(unused)]`) on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error[E0599]: no method named `unwrap` found for reference `&page::Page` in the current scope
[INFO] [stdout]    --> src/storage/buffer_pool.rs:105:32
[INFO] [stdout]     |
[INFO] [stdout] 105 |         let header = read_page.unwrap().get_header();
[INFO] [stdout]     |                                ^^^^^^ method not found in `&page::Page`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `header`
[INFO] [stdout]    --> src/storage/page.rs:226:13
[INFO] [stdout]     |
[INFO] [stdout] 226 |         let header = self.get_header();
[INFO] [stdout]     |             ^^^^^^ help: if this is intentional, prefix it with an underscore: `_header`
[INFO] [stdout]     |
[INFO] [stdout]     = note: `#[warn(unused_variables)]` (part of `#[warn(unused)]`) on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `header`
[INFO] [stdout]    --> src/storage/page.rs:243:13
[INFO] [stdout]     |
[INFO] [stdout] 243 |         let header = self.parse_header_from_contents()?;
[INFO] [stdout]     |             ^^^^^^ help: if this is intentional, prefix it with an underscore: `_header`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `header`
[INFO] [stdout]    --> src/storage/page.rs:381:13
[INFO] [stdout]     |
[INFO] [stdout] 381 |         let header = page.get_header();
[INFO] [stdout]     |             ^^^^^^ help: if this is intentional, prefix it with an underscore: `_header`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] For more information about this error, try `rustc --explain E0599`.
[INFO] [stdout] 
[INFO] [stderr] error: could not compile `gondor-rdbms` (lib test) due to 1 previous error; 3 warnings emitted
[INFO] running `Command { std: "docker" "inspect" "20726de1bece63352b7b79dcd2872a947b9f152084f53697f4e837cd5b38dfb1", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "20726de1bece63352b7b79dcd2872a947b9f152084f53697f4e837cd5b38dfb1", kill_on_drop: false }`
[INFO] [stdout] 20726de1bece63352b7b79dcd2872a947b9f152084f53697f4e837cd5b38dfb1
