[INFO] cloning repository https://github.com/smasher164/mrdb
[INFO] running `Command { std: "git" "-c" "credential.helper=" "-c" "credential.helper=/workspace/cargo-home/bin/git-credential-null" "clone" "--bare" "https://github.com/smasher164/mrdb" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fsmasher164%2Fmrdb", kill_on_drop: false }`
[INFO] [stderr] Cloning into bare repository '/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fsmasher164%2Fmrdb'...
[INFO] running `Command { std: "git" "rev-parse" "HEAD", kill_on_drop: false }`
[INFO] [stdout] 0b4015f3828e72c948cea84cff0e81474cfbf512
[INFO] checking smasher164/mrdb against try#012cd62c9add58ab3910e44c137d87db3ab70f61 for pr-155915
[INFO] running `Command { std: "git" "clone" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fsmasher164%2Fmrdb" "/workspace/builds/worker-0-tc2/source", kill_on_drop: false }`
[INFO] [stderr] Cloning into '/workspace/builds/worker-0-tc2/source'...
[INFO] [stderr] done.
[INFO] started tweaking git repo https://github.com/smasher164/mrdb
[INFO] finished tweaking git repo https://github.com/smasher164/mrdb
[INFO] tweaked toml for git repo https://github.com/smasher164/mrdb written to /workspace/builds/worker-0-tc2/source/Cargo.toml
[INFO] validating manifest of git repo https://github.com/smasher164/mrdb on toolchain 012cd62c9add58ab3910e44c137d87db3ab70f61
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+012cd62c9add58ab3910e44c137d87db3ab70f61" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }`
[INFO] crate git repo https://github.com/smasher164/mrdb 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" "+012cd62c9add58ab3910e44c137d87db3ab70f61" "fetch" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-0-tc2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-0-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" "+012cd62c9add58ab3910e44c137d87db3ab70f61" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] 63d797ec91a15e12d6de24cc79e2793b24de9933649cdf20e485975d58d6ac2a
[INFO] running `Command { std: "docker" "start" "-a" "63d797ec91a15e12d6de24cc79e2793b24de9933649cdf20e485975d58d6ac2a", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "63d797ec91a15e12d6de24cc79e2793b24de9933649cdf20e485975d58d6ac2a", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "63d797ec91a15e12d6de24cc79e2793b24de9933649cdf20e485975d58d6ac2a", kill_on_drop: false }`
[INFO] [stdout] 63d797ec91a15e12d6de24cc79e2793b24de9933649cdf20e485975d58d6ac2a
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-0-tc2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-0-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" "+012cd62c9add58ab3910e44c137d87db3ab70f61" "check" "--frozen" "--all" "--all-targets" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] a358182a9502b1569bc360c225f055e95ce9e22f675db06830f53df906486588
[INFO] running `Command { std: "docker" "start" "-a" "a358182a9502b1569bc360c225f055e95ce9e22f675db06830f53df906486588", kill_on_drop: false }`
[INFO] [stderr]    Compiling libc v0.2.151
[INFO] [stderr]    Compiling thiserror v1.0.53
[INFO] [stderr]     Checking tracing-log v0.2.0
[INFO] [stderr]    Compiling tracing-attributes v0.1.27
[INFO] [stderr]    Compiling thiserror-impl v1.0.53
[INFO] [stderr]     Checking hashbrown v0.14.3
[INFO] [stderr]    Compiling bitfield-struct v0.5.6
[INFO] [stderr]     Checking typed-arena v2.0.2
[INFO] [stderr]     Checking tracing-subscriber v0.3.18
[INFO] [stderr]     Checking init_array v0.3.0
[INFO] [stderr]     Checking parking_lot_core v0.9.9
[INFO] [stderr]     Checking getrandom v0.2.11
[INFO] [stderr]     Checking tracing v0.1.40
[INFO] [stderr]     Checking dashmap v5.5.3
[INFO] [stderr]     Checking ahash v0.8.7
[INFO] [stderr]     Checking mrdb v0.1.0 (/opt/rustwide/workdir)
[INFO] [stdout] warning: unused imports: `os::fd::AsFd`, `thread::sleep`, and `time::Duration`
[INFO] [stdout]   --> src/lib.rs:11:42
[INFO] [stdout]    |
[INFO] [stdout] 11 |     sync::atomic::{AtomicU64, Ordering}, thread::sleep, time::Duration, os::fd::AsFd,
[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 import: `info`
[INFO] [stdout]   --> src/lib.rs:16:15
[INFO] [stdout]    |
[INFO] [stdout] 16 | use tracing::{info, error};
[INFO] [stdout]    |               ^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unnecessary parentheses around assigned value
[INFO] [stdout]    --> src/lib.rs:129:17
[INFO] [stdout]     |
[INFO] [stdout] 129 |         let n = (self.0 & PAGE_COUNT_MASK); // no longer +1, because when cleared it's empty.
[INFO] [stdout]     |                 ^                        ^
[INFO] [stdout]     |
[INFO] [stdout]     = note: `#[warn(unused_parens)]` (part of `#[warn(unused)]`) on by default
[INFO] [stdout] help: remove these parentheses
[INFO] [stdout]     |
[INFO] [stdout] 129 -         let n = (self.0 & PAGE_COUNT_MASK); // no longer +1, because when cleared it's empty.
[INFO] [stdout] 129 +         let n = self.0 & PAGE_COUNT_MASK; // no longer +1, because when cleared it's empty.
[INFO] [stdout]     |
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: the feature `new_uninit` has been stable since 1.82.0 and no longer requires an attribute to enable
[INFO] [stdout]  --> src/lib.rs:1:12
[INFO] [stdout]   |
[INFO] [stdout] 1 | #![feature(new_uninit)]
[INFO] [stdout]   |            ^^^^^^^^^^
[INFO] [stdout]   |
[INFO] [stdout]   = note: `#[warn(stable_features)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused imports: `os::fd::AsFd`, `thread::sleep`, and `time::Duration`
[INFO] [stdout]   --> src/lib.rs:11:42
[INFO] [stdout]    |
[INFO] [stdout] 11 |     sync::atomic::{AtomicU64, Ordering}, thread::sleep, time::Duration, os::fd::AsFd,
[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 import: `info`
[INFO] [stdout]   --> src/lib.rs:16:15
[INFO] [stdout]    |
[INFO] [stdout] 16 | use tracing::{info, error};
[INFO] [stdout]    |               ^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unnecessary parentheses around assigned value
[INFO] [stdout]    --> src/lib.rs:129:17
[INFO] [stdout]     |
[INFO] [stdout] 129 |         let n = (self.0 & PAGE_COUNT_MASK); // no longer +1, because when cleared it's empty.
[INFO] [stdout]     |                 ^                        ^
[INFO] [stdout]     |
[INFO] [stdout]     = note: `#[warn(unused_parens)]` (part of `#[warn(unused)]`) on by default
[INFO] [stdout] help: remove these parentheses
[INFO] [stdout]     |
[INFO] [stdout] 129 -         let n = (self.0 & PAGE_COUNT_MASK); // no longer +1, because when cleared it's empty.
[INFO] [stdout] 129 +         let n = self.0 & PAGE_COUNT_MASK; // no longer +1, because when cleared it's empty.
[INFO] [stdout]     |
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: the feature `new_uninit` has been stable since 1.82.0 and no longer requires an attribute to enable
[INFO] [stdout]  --> src/lib.rs:1:12
[INFO] [stdout]   |
[INFO] [stdout] 1 | #![feature(new_uninit)]
[INFO] [stdout]   |            ^^^^^^^^^^
[INFO] [stdout]   |
[INFO] [stdout]   = note: `#[warn(stable_features)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `st`
[INFO] [stdout]    --> src/lib.rs:617:13
[INFO] [stdout]     |
[INFO] [stdout] 617 |         let st = PageState::get(old);
[INFO] [stdout]     |             ^^ help: if this is intentional, prefix it with an underscore: `_st`
[INFO] [stdout]     |
[INFO] [stdout]     = note: `#[warn(unused_variables)]` (part of `#[warn(unused)]`) on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: constant `OFFSET_MASK` is never used
[INFO] [stdout]   --> src/lib.rs:63:7
[INFO] [stdout]    |
[INFO] [stdout] 63 | const OFFSET_MASK: u64 = PID_MASK;
[INFO] [stdout]    |       ^^^^^^^^^^^
[INFO] [stdout]    |
[INFO] [stdout]    = note: `#[warn(dead_code)]` (part of `#[warn(unused)]`) on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: constant `MAX_PAGES` is never used
[INFO] [stdout]   --> src/lib.rs:64:7
[INFO] [stdout]    |
[INFO] [stdout] 64 | const MAX_PAGES: u64 = 1 << 52;
[INFO] [stdout]    |       ^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: constant `MAX_PAGES_LARGE` is never used
[INFO] [stdout]   --> src/lib.rs:65:7
[INFO] [stdout]    |
[INFO] [stdout] 65 | const MAX_PAGES_LARGE: u64 = 1 << 40;
[INFO] [stdout]    |       ^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: method `to_page_id` is never used
[INFO] [stdout]   --> src/lib.rs:95:15
[INFO] [stdout]    |
[INFO] [stdout] 80 | impl Mmap {
[INFO] [stdout]    | --------- method in this implementation
[INFO] [stdout] ...
[INFO] [stdout] 95 |     unsafe fn to_page_id(&self, ptr: *mut u8) -> PageId {
[INFO] [stdout]    |               ^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: method `is_locked` is never used
[INFO] [stdout]    --> src/lib.rs:290:8
[INFO] [stdout]     |
[INFO] [stdout] 217 | impl PageEntry {
[INFO] [stdout]     | -------------- method in this implementation
[INFO] [stdout] ...
[INFO] [stdout] 290 |     fn is_locked(&self) -> bool {
[INFO] [stdout]     |        ^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: methods `unfix_write` and `unfix_read` are never used
[INFO] [stdout]    --> src/lib.rs:464:8
[INFO] [stdout]     |
[INFO] [stdout] 381 | impl PageCache {
[INFO] [stdout]     | -------------- methods in this implementation
[INFO] [stdout] ...
[INFO] [stdout] 464 |     fn unfix_write(&self, page_id: PageId) {
[INFO] [stdout]     |        ^^^^^^^^^^^
[INFO] [stdout] ...
[INFO] [stdout] 467 |     fn unfix_read(&self, page_id: PageId) {
[INFO] [stdout]     |        ^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: hiding a lifetime that's elided elsewhere is confusing
[INFO] [stdout]    --> src/lib.rs:420:23
[INFO] [stdout]     |
[INFO] [stdout] 420 |     pub fn write_page(&self, page_id: PageId) -> Result<PageMut> {
[INFO] [stdout]     |                       ^^^^^ the lifetime is elided here ^^^^^^^ the same lifetimes are hidden 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] 420 |     pub fn write_page(&self, page_id: PageId) -> Result<PageMut<'_, '_>> {
[INFO] [stdout]     |                                                                ++++++++
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: hiding a lifetime that's elided elsewhere is confusing
[INFO] [stdout]    --> src/lib.rs:470:22
[INFO] [stdout]     |
[INFO] [stdout] 470 |     pub fn read_page(&self, page_id: PageId) -> Result<Page> {
[INFO] [stdout]     |                      ^^^^^ the lifetime is elided here ^^^^ the same lifetimes are hidden 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] 470 |     pub fn read_page(&self, page_id: PageId) -> Result<Page<'_, '_>> {
[INFO] [stdout]     |                                                            ++++++++
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `st`
[INFO] [stdout]    --> src/lib.rs:617:13
[INFO] [stdout]     |
[INFO] [stdout] 617 |         let st = PageState::get(old);
[INFO] [stdout]     |             ^^ help: if this is intentional, prefix it with an underscore: `_st`
[INFO] [stdout]     |
[INFO] [stdout]     = note: `#[warn(unused_variables)]` (part of `#[warn(unused)]`) on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: constant `OFFSET_MASK` is never used
[INFO] [stdout]   --> src/lib.rs:63:7
[INFO] [stdout]    |
[INFO] [stdout] 63 | const OFFSET_MASK: u64 = PID_MASK;
[INFO] [stdout]    |       ^^^^^^^^^^^
[INFO] [stdout]    |
[INFO] [stdout]    = note: `#[warn(dead_code)]` (part of `#[warn(unused)]`) on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: constant `MAX_PAGES` is never used
[INFO] [stdout]   --> src/lib.rs:64:7
[INFO] [stdout]    |
[INFO] [stdout] 64 | const MAX_PAGES: u64 = 1 << 52;
[INFO] [stdout]    |       ^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: constant `MAX_PAGES_LARGE` is never used
[INFO] [stdout]   --> src/lib.rs:65:7
[INFO] [stdout]    |
[INFO] [stdout] 65 | const MAX_PAGES_LARGE: u64 = 1 << 40;
[INFO] [stdout]    |       ^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: method `to_page_id` is never used
[INFO] [stdout]   --> src/lib.rs:95:15
[INFO] [stdout]    |
[INFO] [stdout] 80 | impl Mmap {
[INFO] [stdout]    | --------- method in this implementation
[INFO] [stdout] ...
[INFO] [stdout] 95 |     unsafe fn to_page_id(&self, ptr: *mut u8) -> PageId {
[INFO] [stdout]    |               ^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: method `is_locked` is never used
[INFO] [stdout]    --> src/lib.rs:290:8
[INFO] [stdout]     |
[INFO] [stdout] 217 | impl PageEntry {
[INFO] [stdout]     | -------------- method in this implementation
[INFO] [stdout] ...
[INFO] [stdout] 290 |     fn is_locked(&self) -> bool {
[INFO] [stdout]     |        ^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: methods `unfix_write` and `unfix_read` are never used
[INFO] [stdout]    --> src/lib.rs:464:8
[INFO] [stdout]     |
[INFO] [stdout] 381 | impl PageCache {
[INFO] [stdout]     | -------------- methods in this implementation
[INFO] [stdout] ...
[INFO] [stdout] 464 |     fn unfix_write(&self, page_id: PageId) {
[INFO] [stdout]     |        ^^^^^^^^^^^
[INFO] [stdout] ...
[INFO] [stdout] 467 |     fn unfix_read(&self, page_id: PageId) {
[INFO] [stdout]     |        ^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: hiding a lifetime that's elided elsewhere is confusing
[INFO] [stdout]    --> src/lib.rs:420:23
[INFO] [stdout]     |
[INFO] [stdout] 420 |     pub fn write_page(&self, page_id: PageId) -> Result<PageMut> {
[INFO] [stdout]     |                       ^^^^^ the lifetime is elided here ^^^^^^^ the same lifetimes are hidden 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] 420 |     pub fn write_page(&self, page_id: PageId) -> Result<PageMut<'_, '_>> {
[INFO] [stdout]     |                                                                ++++++++
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: hiding a lifetime that's elided elsewhere is confusing
[INFO] [stdout]    --> src/lib.rs:470:22
[INFO] [stdout]     |
[INFO] [stdout] 470 |     pub fn read_page(&self, page_id: PageId) -> Result<Page> {
[INFO] [stdout]     |                      ^^^^^ the lifetime is elided here ^^^^ the same lifetimes are hidden 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] 470 |     pub fn read_page(&self, page_id: PageId) -> Result<Page<'_, '_>> {
[INFO] [stdout]     |                                                            ++++++++
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr]     Finished `dev` profile [unoptimized + debuginfo] target(s) in 6.31s
[INFO] running `Command { std: "docker" "inspect" "a358182a9502b1569bc360c225f055e95ce9e22f675db06830f53df906486588", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "a358182a9502b1569bc360c225f055e95ce9e22f675db06830f53df906486588", kill_on_drop: false }`
[INFO] [stdout] a358182a9502b1569bc360c225f055e95ce9e22f675db06830f53df906486588
