[INFO] fetching crate mvcc 0.0.1...
[INFO] testing mvcc-0.0.1 against master#562dee4820c458d823175268e41601d4c060588a for pr-154210-2
[INFO] extracting crate mvcc 0.0.1 into /workspace/builds/worker-0-tc1/source
[INFO] started tweaking crates.io crate mvcc 0.0.1
[INFO] finished tweaking crates.io crate mvcc 0.0.1
[INFO] tweaked toml for crates.io crate mvcc 0.0.1 written to /workspace/builds/worker-0-tc1/source/Cargo.toml
[INFO] validating manifest of crates.io crate mvcc 0.0.1 on toolchain 562dee4820c458d823175268e41601d4c060588a
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+562dee4820c458d823175268e41601d4c060588a" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }`
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+562dee4820c458d823175268e41601d4c060588a" "generate-lockfile" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] [stderr]     Updating crates.io index
[INFO] [stderr]     Blocking waiting for file lock on package cache
[INFO] [stderr]      Locking 29 packages to latest compatible versions
[INFO] [stderr]       Adding bincode v0.9.2 (available: v3.0.0)
[INFO] [stderr]       Adding sled v0.15.21 (available: v0.34.7)
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+562dee4820c458d823175268e41601d4c060588a" "fetch" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] [stderr] warning: `package.edition` is unspecified, defaulting to `2015` while the latest is `2024`
[INFO] [stderr]  Downloading crates ...
[INFO] [stderr]   Downloaded pagetable v0.0.3
[INFO] [stderr]   Downloaded crossbeam-epoch v0.7.2
[INFO] [stderr]   Downloaded sled_sync v0.2.2
[INFO] [stderr]   Downloaded sled v0.15.21
[INFO] [stderr]   Downloaded crossbeam-epoch v0.6.1
[INFO] [stderr]   Downloaded memoffset v0.2.1
[INFO] [stderr]   Downloaded historian v3.0.11
[INFO] [stderr]   Downloaded scopeguard v0.3.3
[INFO] [stderr]   Downloaded bincode v0.9.2
[INFO] [stderr]   Downloaded pagecache v0.6.0
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-0-tc1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-0-tc1/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" "+562dee4820c458d823175268e41601d4c060588a" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] a07a510dbf58fe4cb1b7ab5a848ef734dcff90572cf54a4461061099123c7e0a
[INFO] running `Command { std: "docker" "start" "-a" "a07a510dbf58fe4cb1b7ab5a848ef734dcff90572cf54a4461061099123c7e0a", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "a07a510dbf58fe4cb1b7ab5a848ef734dcff90572cf54a4461061099123c7e0a", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "a07a510dbf58fe4cb1b7ab5a848ef734dcff90572cf54a4461061099123c7e0a", kill_on_drop: false }`
[INFO] [stdout] a07a510dbf58fe4cb1b7ab5a848ef734dcff90572cf54a4461061099123c7e0a
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-0-tc1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-0-tc1/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" "+562dee4820c458d823175268e41601d4c060588a" "build" "--frozen" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] a220b9d20035cb34c22001ed8b08ac014cc70a85f7407f3335467885ed2a76ce
[INFO] running `Command { std: "docker" "start" "-a" "a220b9d20035cb34c22001ed8b08ac014cc70a85f7407f3335467885ed2a76ce", kill_on_drop: false }`
[INFO] [stderr] warning: `package.edition` is unspecified, defaulting to `2015` while the latest is `2024`
[INFO] [stderr]    Compiling arrayvec v0.4.12
[INFO] [stderr]    Compiling nodrop v0.1.14
[INFO] [stderr]    Compiling proc-macro2 v1.0.106
[INFO] [stderr]    Compiling serde v1.0.228
[INFO] [stderr]    Compiling quote v1.0.45
[INFO] [stderr]    Compiling scopeguard v0.3.3
[INFO] [stderr]    Compiling memoffset v0.2.1
[INFO] [stderr]    Compiling memoffset v0.5.6
[INFO] [stderr]    Compiling crossbeam-utils v0.6.6
[INFO] [stderr]    Compiling crossbeam-epoch v0.7.2
[INFO] [stderr]    Compiling crossbeam-epoch v0.6.1
[INFO] [stderr]    Compiling sled_sync v0.2.2
[INFO] [stderr]    Compiling historian v3.0.11
[INFO] [stderr]    Compiling pagetable v0.0.3
[INFO] [stderr]    Compiling bincode v1.3.3
[INFO] [stderr]    Compiling bincode v0.9.2
[INFO] [stderr]    Compiling syn v2.0.117
[INFO] [stderr]    Compiling serde_derive v1.0.228
[INFO] [stderr]    Compiling pagecache v0.6.0
[INFO] [stderr]    Compiling sled v0.15.21
[INFO] [stderr]    Compiling mvcc v0.0.1 (/opt/rustwide/workdir)
[INFO] [stdout] error[E0432]: unresolved import `sled::DbResult`
[INFO] [stdout]  --> src/db.rs:3:20
[INFO] [stdout]   |
[INFO] [stdout] 3 | use sled::{Config, DbResult, Tree};
[INFO] [stdout]   |                    ^^^^^^^^ no `DbResult` in the root
[INFO] [stdout]   |
[INFO] [stdout] help: a similar name exists in the module
[INFO] [stdout]   |
[INFO] [stdout] 3 - use sled::{Config, DbResult, Tree};
[INFO] [stdout] 3 + use sled::{Config, Result, Tree};
[INFO] [stdout]   |
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: use of deprecated method `std::sync::atomic::Atomic::<usize>::compare_and_swap`: Use `compare_exchange` or `compare_exchange_weak` instead
[INFO] [stdout]    --> src/db.rs:164:24
[INFO] [stdout]     |
[INFO] [stdout] 164 |             if self.ts.compare_and_swap(
[INFO] [stdout]     |                        ^^^^^^^^^^^^^^^^
[INFO] [stdout]     |
[INFO] [stdout]     = note: `#[warn(deprecated)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: use of deprecated method `std::sync::atomic::Atomic::<usize>::compare_and_swap`: Use `compare_exchange` or `compare_exchange_weak` instead
[INFO] [stdout]    --> src/mvcc.rs:115:43
[INFO] [stdout]     |
[INFO] [stdout] 115 |                     let last = record.rts.compare_and_swap(
[INFO] [stdout]     |                                           ^^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] For more information about this error, try `rustc --explain E0432`.
[INFO] [stdout] 
[INFO] [stderr] error: could not compile `mvcc` (lib) due to 1 previous error; 2 warnings emitted
[INFO] [stderr] warning: build failed, waiting for other jobs to finish...
[INFO] running `Command { std: "docker" "inspect" "a220b9d20035cb34c22001ed8b08ac014cc70a85f7407f3335467885ed2a76ce", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "a220b9d20035cb34c22001ed8b08ac014cc70a85f7407f3335467885ed2a76ce", kill_on_drop: false }`
[INFO] [stdout] a220b9d20035cb34c22001ed8b08ac014cc70a85f7407f3335467885ed2a76ce