[INFO] cloning repository https://github.com/Jyjays/rustub
[INFO] running `Command { std: "git" "-c" "credential.helper=" "-c" "credential.helper=/workspace/cargo-home/bin/git-credential-null" "clone" "--bare" "https://github.com/Jyjays/rustub" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2FJyjays%2Frustub", kill_on_drop: false }`
[INFO] [stderr] Cloning into bare repository '/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2FJyjays%2Frustub'...
[INFO] running `Command { std: "git" "rev-parse" "HEAD", kill_on_drop: false }`
[INFO] [stdout] 4db121924a6fef17f452ae28139c873899d52aae
[INFO] checking Jyjays/rustub against try#1779a8680dcd39c56ed600627cf6742ef07ed78c for pr-149045
[INFO] running `Command { std: "git" "clone" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2FJyjays%2Frustub" "/workspace/builds/worker-6-tc2/source", kill_on_drop: false }`
[INFO] [stderr] Cloning into '/workspace/builds/worker-6-tc2/source'...
[INFO] [stderr] done.
[INFO] started tweaking git repo https://github.com/Jyjays/rustub
[INFO] finished tweaking git repo https://github.com/Jyjays/rustub
[INFO] tweaked toml for git repo https://github.com/Jyjays/rustub written to /workspace/builds/worker-6-tc2/source/Cargo.toml
[INFO] validating manifest of git repo https://github.com/Jyjays/rustub on toolchain 1779a8680dcd39c56ed600627cf6742ef07ed78c
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+1779a8680dcd39c56ed600627cf6742ef07ed78c" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }`
[INFO] crate git repo https://github.com/Jyjays/rustub 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" "+1779a8680dcd39c56ed600627cf6742ef07ed78c" "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-6-tc2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-6-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:d429b63d4308055ea97f60fb1d3dfca48854a00942f1bd2ad806beaf015945ec" "/opt/rustwide/cargo-home/bin/cargo" "+1779a8680dcd39c56ed600627cf6742ef07ed78c" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] 27ee906d54ccb3b47a31981a9ec00b57b8cc432702e5dd1c8783f55f1033d25a
[INFO] running `Command { std: "docker" "start" "-a" "27ee906d54ccb3b47a31981a9ec00b57b8cc432702e5dd1c8783f55f1033d25a", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "27ee906d54ccb3b47a31981a9ec00b57b8cc432702e5dd1c8783f55f1033d25a", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "27ee906d54ccb3b47a31981a9ec00b57b8cc432702e5dd1c8783f55f1033d25a", kill_on_drop: false }`
[INFO] [stdout] 27ee906d54ccb3b47a31981a9ec00b57b8cc432702e5dd1c8783f55f1033d25a
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-6-tc2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-6-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:d429b63d4308055ea97f60fb1d3dfca48854a00942f1bd2ad806beaf015945ec" "/opt/rustwide/cargo-home/bin/cargo" "+1779a8680dcd39c56ed600627cf6742ef07ed78c" "check" "--frozen" "--all" "--all-targets" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] 2002899c7d522bafa7d7c8592c700ad359e8a1fe58e9f17a84c2f32754a201c8
[INFO] running `Command { std: "docker" "start" "-a" "2002899c7d522bafa7d7c8592c700ad359e8a1fe58e9f17a84c2f32754a201c8", kill_on_drop: false }`
[INFO] [stderr]    Compiling libc v0.2.159
[INFO] [stderr]    Compiling syn v2.0.79
[INFO] [stderr]     Checking parking_lot_core v0.9.10
[INFO] [stderr]     Checking socket2 v0.5.7
[INFO] [stderr]     Checking mio v1.0.2
[INFO] [stderr]     Checking signal-hook-registry v1.4.2
[INFO] [stderr]     Checking parking_lot v0.12.3
[INFO] [stderr]    Compiling tokio-macros v2.4.0
[INFO] [stderr]     Checking tokio v1.40.0
[INFO] [stderr]     Checking bustub_rust v0.1.0 (/opt/rustwide/workdir)
[INFO] [stdout] warning: unused imports: `Borrow` and `fmt::Error`
[INFO] [stdout]  --> src/storage/disk/disk_manager.rs:1:20
[INFO] [stdout]   |
[INFO] [stdout] 1 | use std::{borrow::{Borrow, BorrowMut}, fmt::Error, fs::File, future::Future, io::{Read, Seek, Write}, pin::Pin, sync::{Arc, Mutex}};
[INFO] [stdout]   |                    ^^^^^^              ^^^^^^^^^^
[INFO] [stdout]   |
[INFO] [stdout]   = note: `#[warn(unused_imports)]` (part of `#[warn(unused)]`) on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused imports: `Borrow` and `fmt::Error`
[INFO] [stdout]  --> src/storage/disk/disk_manager.rs:1:20
[INFO] [stdout]   |
[INFO] [stdout] 1 | use std::{borrow::{Borrow, BorrowMut}, fmt::Error, fs::File, future::Future, io::{Read, Seek, Write}, pin::Pin, sync::{Arc, Mutex}};
[INFO] [stdout]   |                    ^^^^^^              ^^^^^^^^^^
[INFO] [stdout]   |
[INFO] [stdout]   = note: `#[warn(unused_imports)]` (part of `#[warn(unused)]`) on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: field `request_sender` is never read
[INFO] [stdout]   --> src/storage/disk/disk_scheduler.rs:17:5
[INFO] [stdout]    |
[INFO] [stdout] 15 | pub struct DiskScheduler {
[INFO] [stdout]    |            ------------- field in this struct
[INFO] [stdout] 16 |     disk_manager: Arc<Mutex<DiskManager>>,
[INFO] [stdout] 17 |     request_sender: Sender<Option<DiskRequest>>,
[INFO] [stdout]    |     ^^^^^^^^^^^^^^
[INFO] [stdout]    |
[INFO] [stdout]    = note: `#[warn(dead_code)]` (part of `#[warn(unused)]`) on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: hiding a lifetime that's elided elsewhere is confusing
[INFO] [stdout]   --> src/storage/page/page.rs:65:20
[INFO] [stdout]    |
[INFO] [stdout] 65 |     pub fn w_latch(&self) -> RwLockWriteGuard<()> {
[INFO] [stdout]    |                    ^^^^^     ^^^^^^^^^^^^^^^^^^^^ the same lifetime is hidden here
[INFO] [stdout]    |                    |
[INFO] [stdout]    |                    the lifetime is elided here
[INFO] [stdout]    |
[INFO] [stdout]    = help: the same lifetime is referred to in inconsistent ways, making the signature confusing
[INFO] [stdout]    = note: `#[warn(mismatched_lifetime_syntaxes)]` on by default
[INFO] [stdout] help: use `'_` for type paths
[INFO] [stdout]    |
[INFO] [stdout] 65 |     pub fn w_latch(&self) -> RwLockWriteGuard<'_, ()> {
[INFO] [stdout]    |                                               +++
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: hiding a lifetime that's elided elsewhere is confusing
[INFO] [stdout]   --> src/storage/page/page.rs:75:20
[INFO] [stdout]    |
[INFO] [stdout] 75 |     pub fn r_latch(&self) -> RwLockReadGuard<()> {
[INFO] [stdout]    |                    ^^^^^     ^^^^^^^^^^^^^^^^^^^ the same lifetime is hidden here
[INFO] [stdout]    |                    |
[INFO] [stdout]    |                    the lifetime is elided here
[INFO] [stdout]    |
[INFO] [stdout]    = help: the same lifetime is referred to in inconsistent ways, making the signature confusing
[INFO] [stdout] help: use `'_` for type paths
[INFO] [stdout]    |
[INFO] [stdout] 75 |     pub fn r_latch(&self) -> RwLockReadGuard<'_, ()> {
[INFO] [stdout]    |                                              +++
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: field `request_sender` is never read
[INFO] [stdout]   --> src/storage/disk/disk_scheduler.rs:17:5
[INFO] [stdout]    |
[INFO] [stdout] 15 | pub struct DiskScheduler {
[INFO] [stdout]    |            ------------- field in this struct
[INFO] [stdout] 16 |     disk_manager: Arc<Mutex<DiskManager>>,
[INFO] [stdout] 17 |     request_sender: Sender<Option<DiskRequest>>,
[INFO] [stdout]    |     ^^^^^^^^^^^^^^
[INFO] [stdout]    |
[INFO] [stdout]    = note: `#[warn(dead_code)]` (part of `#[warn(unused)]`) on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: hiding a lifetime that's elided elsewhere is confusing
[INFO] [stdout]   --> src/storage/page/page.rs:65:20
[INFO] [stdout]    |
[INFO] [stdout] 65 |     pub fn w_latch(&self) -> RwLockWriteGuard<()> {
[INFO] [stdout]    |                    ^^^^^     ^^^^^^^^^^^^^^^^^^^^ the same lifetime is hidden here
[INFO] [stdout]    |                    |
[INFO] [stdout]    |                    the lifetime is elided here
[INFO] [stdout]    |
[INFO] [stdout]    = help: the same lifetime is referred to in inconsistent ways, making the signature confusing
[INFO] [stdout]    = note: `#[warn(mismatched_lifetime_syntaxes)]` on by default
[INFO] [stdout] help: use `'_` for type paths
[INFO] [stdout]    |
[INFO] [stdout] 65 |     pub fn w_latch(&self) -> RwLockWriteGuard<'_, ()> {
[INFO] [stdout]    |                                               +++
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: hiding a lifetime that's elided elsewhere is confusing
[INFO] [stdout]   --> src/storage/page/page.rs:75:20
[INFO] [stdout]    |
[INFO] [stdout] 75 |     pub fn r_latch(&self) -> RwLockReadGuard<()> {
[INFO] [stdout]    |                    ^^^^^     ^^^^^^^^^^^^^^^^^^^ the same lifetime is hidden here
[INFO] [stdout]    |                    |
[INFO] [stdout]    |                    the lifetime is elided here
[INFO] [stdout]    |
[INFO] [stdout]    = help: the same lifetime is referred to in inconsistent ways, making the signature confusing
[INFO] [stdout] help: use `'_` for type paths
[INFO] [stdout]    |
[INFO] [stdout] 75 |     pub fn r_latch(&self) -> RwLockReadGuard<'_, ()> {
[INFO] [stdout]    |                                              +++
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr]     Finished `dev` profile [unoptimized + debuginfo] target(s) in 7.43s
[INFO] running `Command { std: "docker" "inspect" "2002899c7d522bafa7d7c8592c700ad359e8a1fe58e9f17a84c2f32754a201c8", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "2002899c7d522bafa7d7c8592c700ad359e8a1fe58e9f17a84c2f32754a201c8", kill_on_drop: false }`
[INFO] [stdout] 2002899c7d522bafa7d7c8592c700ad359e8a1fe58e9f17a84c2f32754a201c8
