[INFO] cloning repository https://github.com/hugo1707/storage-rust
[INFO] running `Command { std: "git" "-c" "credential.helper=" "-c" "credential.helper=/workspace/cargo-home/bin/git-credential-null" "clone" "--bare" "https://github.com/hugo1707/storage-rust" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fhugo1707%2Fstorage-rust", kill_on_drop: false }`
[INFO] [stderr] Cloning into bare repository '/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fhugo1707%2Fstorage-rust'...
[INFO] running `Command { std: "git" "rev-parse" "HEAD", kill_on_drop: false }`
[INFO] [stdout] ede84784a8b1280923f11e868424441111df532e
[INFO] checking hugo1707/storage-rust against beta for pr-78714
[INFO] running `Command { std: "git" "clone" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fhugo1707%2Fstorage-rust" "/workspace/builds/worker-11/source", kill_on_drop: false }`
[INFO] [stderr] Cloning into '/workspace/builds/worker-11/source'...
[INFO] [stderr] done.
[INFO] validating manifest of git repo https://github.com/hugo1707/storage-rust on toolchain beta
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+beta" "read-manifest" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] started tweaking git repo https://github.com/hugo1707/storage-rust
[INFO] finished tweaking git repo https://github.com/hugo1707/storage-rust
[INFO] tweaked toml for git repo https://github.com/hugo1707/storage-rust written to /workspace/builds/worker-11/source/Cargo.toml
[INFO] crate git repo https://github.com/hugo1707/storage-rust already has a lockfile, it will not be regenerated
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+beta" "fetch" "--locked" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-11/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-11/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" "rustops/crates-build-env@sha256:6eabd152ff4036248d66efda456a36cb33d24b7291b33f25f75140726c88da35" "/opt/rustwide/cargo-home/bin/cargo" "+beta" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stderr] WARNING: Your kernel does not support swap limit capabilities or the cgroup is not mounted. Memory limited without swap.
[INFO] [stdout] 09d27210350977810a1326420f5c937eb9fa19816e7df61535bcd995ed5122c4
[INFO] running `Command { std: "docker" "start" "-a" "09d27210350977810a1326420f5c937eb9fa19816e7df61535bcd995ed5122c4", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "09d27210350977810a1326420f5c937eb9fa19816e7df61535bcd995ed5122c4", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "09d27210350977810a1326420f5c937eb9fa19816e7df61535bcd995ed5122c4", kill_on_drop: false }`
[INFO] [stdout] 09d27210350977810a1326420f5c937eb9fa19816e7df61535bcd995ed5122c4
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-11/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-11/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" "rustops/crates-build-env@sha256:6eabd152ff4036248d66efda456a36cb33d24b7291b33f25f75140726c88da35" "/opt/rustwide/cargo-home/bin/cargo" "+beta" "check" "--frozen" "--all" "--all-targets" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] 5122adb6dc4362f0a15b7945e53568365d6df9914a1d0bfc482566724cb5dec8
[INFO] [stderr] WARNING: Your kernel does not support swap limit capabilities or the cgroup is not mounted. Memory limited without swap.
[INFO] running `Command { std: "docker" "start" "-a" "5122adb6dc4362f0a15b7945e53568365d6df9914a1d0bfc482566724cb5dec8", kill_on_drop: false }`
[INFO] [stderr]     Checking bincode v1.2.1
[INFO] [stderr]     Checking storage v0.1.0 (/opt/rustwide/workdir)
[INFO] [stdout] warning: unused import: `PAGE_SIZE`
[INFO] [stdout]  --> src/storage/buffer/frame.rs:1:56
[INFO] [stdout]   |
[INFO] [stdout] 1 | use crate::storage::page::{Page, PageHeader, PageType, PAGE_SIZE, PAGE_HEADER_SIZE, GetSlotError};
[INFO] [stdout]   |                                                        ^^^^^^^^^
[INFO] [stdout]   |
[INFO] [stdout]   = note: `#[warn(unused_imports)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused import: `crate::storage::page::item::Item`
[INFO] [stdout]  --> src/storage/page/mod.rs:7:5
[INFO] [stdout]   |
[INFO] [stdout] 7 | use crate::storage::page::item::Item;
[INFO] [stdout]   |     ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused imports: `SLOT_SIZE`, `SlotItem`
[INFO] [stdout]  --> src/storage/page/mod.rs:8:34
[INFO] [stdout]   |
[INFO] [stdout] 8 | use crate::storage::page::slot::{SLOT_SIZE, SlotItem};
[INFO] [stdout]   |                                  ^^^^^^^^^  ^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused import: `GetPageError`
[INFO] [stdout]  --> src/main.rs:3:38
[INFO] [stdout]   |
[INFO] [stdout] 3 | use storage::buffer::{BufferManager, GetPageError};
[INFO] [stdout]   |                                      ^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused import: `PAGE_SIZE`
[INFO] [stdout]  --> src/storage/buffer/frame.rs:1:56
[INFO] [stdout]   |
[INFO] [stdout] 1 | use crate::storage::page::{Page, PageHeader, PageType, PAGE_SIZE, PAGE_HEADER_SIZE, GetSlotError};
[INFO] [stdout]   |                                                        ^^^^^^^^^
[INFO] [stdout]   |
[INFO] [stdout]   = note: `#[warn(unused_imports)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused import: `crate::storage::page::item::Item`
[INFO] [stdout]  --> src/storage/page/mod.rs:7:5
[INFO] [stdout]   |
[INFO] [stdout] 7 | use crate::storage::page::item::Item;
[INFO] [stdout]   |     ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused imports: `SLOT_SIZE`, `SlotItem`
[INFO] [stdout]  --> src/storage/page/mod.rs:8:34
[INFO] [stdout]   |
[INFO] [stdout] 8 | use crate::storage::page::slot::{SLOT_SIZE, SlotItem};
[INFO] [stdout]   |                                  ^^^^^^^^^  ^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused import: `GetPageError`
[INFO] [stdout]  --> src/main.rs:3:38
[INFO] [stdout]   |
[INFO] [stdout] 3 | use storage::buffer::{BufferManager, GetPageError};
[INFO] [stdout]   |                                      ^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `frame0`
[INFO] [stdout]   --> src/main.rs:13:9
[INFO] [stdout]    |
[INFO] [stdout] 13 |     let frame0 = match buffer_manager.get_page(0) {
[INFO] [stdout]    |         ^^^^^^ help: if this is intentional, prefix it with an underscore: `_frame0`
[INFO] [stdout]    |
[INFO] [stdout]    = note: `#[warn(unused_variables)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `e`
[INFO] [stdout]   --> src/main.rs:15:13
[INFO] [stdout]    |
[INFO] [stdout] 15 |         Err(e) => {
[INFO] [stdout]    |             ^ help: if this is intentional, prefix it with an underscore: `_e`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error[E0499]: cannot borrow `buffer_manager` as mutable more than once at a time
[INFO] [stdout]   --> src/main.rs:13:24
[INFO] [stdout]    |
[INFO] [stdout] 11 |     let frame = buffer_manager.alloc_page(PageType::DataPage);
[INFO] [stdout]    |                 -------------- first mutable borrow occurs here
[INFO] [stdout] 12 | 
[INFO] [stdout] 13 |     let frame0 = match buffer_manager.get_page(0) {
[INFO] [stdout]    |                        ^^^^^^^^^^^^^^ second mutable borrow occurs here
[INFO] [stdout] ...
[INFO] [stdout] 21 |     println!("{:?}", frame.get_header().page_type);
[INFO] [stdout]    |                      ----- first borrow later used here
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `frame0`
[INFO] [stdout]   --> src/main.rs:13:9
[INFO] [stdout]    |
[INFO] [stdout] 13 |     let frame0 = match buffer_manager.get_page(0) {
[INFO] [stdout]    |         ^^^^^^ help: if this is intentional, prefix it with an underscore: `_frame0`
[INFO] [stdout]    |
[INFO] [stdout]    = note: `#[warn(unused_variables)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `e`
[INFO] [stdout]   --> src/main.rs:15:13
[INFO] [stdout]    |
[INFO] [stdout] 15 |         Err(e) => {
[INFO] [stdout]    |             ^ help: if this is intentional, prefix it with an underscore: `_e`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error[E0499]: cannot borrow `buffer_manager` as mutable more than once at a time
[INFO] [stdout]   --> src/main.rs:13:24
[INFO] [stdout]    |
[INFO] [stdout] 11 |     let frame = buffer_manager.alloc_page(PageType::DataPage);
[INFO] [stdout]    |                 -------------- first mutable borrow occurs here
[INFO] [stdout] 12 | 
[INFO] [stdout] 13 |     let frame0 = match buffer_manager.get_page(0) {
[INFO] [stdout]    |                        ^^^^^^^^^^^^^^ second mutable borrow occurs here
[INFO] [stdout] ...
[INFO] [stdout] 21 |     println!("{:?}", frame.get_header().page_type);
[INFO] [stdout]    |                      ----- first borrow later used here
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error: aborting due to previous error; 6 warnings emitted
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] For more information about this error, try `rustc --explain E0499`.
[INFO] [stdout] 
[INFO] [stdout] error: aborting due to previous error; 6 warnings emitted
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] For more information about this error, try `rustc --explain E0499`.
[INFO] [stdout] 
[INFO] [stderr] error: could not compile `storage`
[INFO] [stderr] 
[INFO] [stderr] To learn more, run the command again with --verbose.
[INFO] [stderr] warning: build failed, waiting for other jobs to finish...
[INFO] [stderr] error: build failed
[INFO] running `Command { std: "docker" "inspect" "5122adb6dc4362f0a15b7945e53568365d6df9914a1d0bfc482566724cb5dec8", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "5122adb6dc4362f0a15b7945e53568365d6df9914a1d0bfc482566724cb5dec8", kill_on_drop: false }`
[INFO] [stdout] 5122adb6dc4362f0a15b7945e53568365d6df9914a1d0bfc482566724cb5dec8