[INFO] fetching crate rkv 0.19.0...
[INFO] checking rkv-0.19.0 against master#1f12b9b0fdbe735968ac002792a720f0ba4faca6 for crater-rollup-uwu
[INFO] extracting crate rkv 0.19.0 into /workspace/builds/worker-1-tc1/source
[INFO] validating manifest of crates.io crate rkv 0.19.0 on toolchain 1f12b9b0fdbe735968ac002792a720f0ba4faca6
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+1f12b9b0fdbe735968ac002792a720f0ba4faca6" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }`
[INFO] started tweaking crates.io crate rkv 0.19.0
[INFO] removed 0 missing tests
[INFO] finished tweaking crates.io crate rkv 0.19.0
[INFO] tweaked toml for crates.io crate rkv 0.19.0 written to /workspace/builds/worker-1-tc1/source/Cargo.toml
[INFO] crate crates.io crate rkv 0.19.0 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" "+1f12b9b0fdbe735968ac002792a720f0ba4faca6" "fetch" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-1-tc1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-1-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@sha256:923055f121b5182466d55868a8b05e67af8ba4a3a3f6bad814e953ca3cd3ac2a" "/opt/rustwide/cargo-home/bin/cargo" "+1f12b9b0fdbe735968ac002792a720f0ba4faca6" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] 619f0387dda0bb37f0a03618986705d168fdc96616d265239ac87f593e18ae17
[INFO] running `Command { std: "docker" "start" "-a" "619f0387dda0bb37f0a03618986705d168fdc96616d265239ac87f593e18ae17", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "619f0387dda0bb37f0a03618986705d168fdc96616d265239ac87f593e18ae17", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "619f0387dda0bb37f0a03618986705d168fdc96616d265239ac87f593e18ae17", kill_on_drop: false }`
[INFO] [stdout] 619f0387dda0bb37f0a03618986705d168fdc96616d265239ac87f593e18ae17
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-1-tc1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-1-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@sha256:923055f121b5182466d55868a8b05e67af8ba4a3a3f6bad814e953ca3cd3ac2a" "/opt/rustwide/cargo-home/bin/cargo" "+1f12b9b0fdbe735968ac002792a720f0ba4faca6" "check" "--frozen" "--all" "--all-targets" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] 4378b6c6c6ebeed31a8ac334836600141a3008724b7238d29f582068b7b94a0c
[INFO] running `Command { std: "docker" "start" "-a" "4378b6c6c6ebeed31a8ac334836600141a3008724b7238d29f582068b7b94a0c", kill_on_drop: false }`
[INFO] [stderr]    Compiling proc-macro2 v1.0.69
[INFO] [stderr]    Compiling serde v1.0.190
[INFO] [stderr]    Compiling rustix v0.38.21
[INFO] [stderr]     Checking percent-encoding v2.3.0
[INFO] [stderr]     Checking unicode-bidi v0.3.13
[INFO] [stderr]     Checking tinyvec v1.6.0
[INFO] [stderr]    Compiling thiserror v1.0.50
[INFO] [stderr]    Compiling paste v1.0.14
[INFO] [stderr]     Checking form_urlencoded v1.2.0
[INFO] [stderr]     Checking linux-raw-sys v0.4.10
[INFO] [stderr]     Checking ordered-float v3.9.2
[INFO] [stderr]     Checking id-arena v2.2.1
[INFO] [stderr]     Checking uuid v1.5.0
[INFO] [stderr]     Checking fastrand v2.0.1
[INFO] [stderr]     Checking log v0.4.20
[INFO] [stderr]     Checking arrayref v0.3.7
[INFO] [stderr]    Compiling quote v1.0.33
[INFO] [stderr]     Checking unicode-normalization v0.1.22
[INFO] [stderr]    Compiling syn v2.0.38
[INFO] [stderr]     Checking idna v0.4.0
[INFO] [stderr]     Checking url v2.4.1
[INFO] [stderr]    Compiling serde_derive v1.0.190
[INFO] [stderr]    Compiling thiserror-impl v1.0.50
[INFO] [stderr]     Checking bitflags v2.4.1
[INFO] [stderr]     Checking bincode v1.3.3
[INFO] [stderr]     Checking rkv v0.19.0 (/opt/rustwide/workdir)
[INFO] [stdout] warning: field `0` is never read
[INFO] [stdout]   --> src/backend/impl_safe/cursor.rs:76:29
[INFO] [stdout]    |
[INFO] [stdout] 76 | pub struct RwCursorImpl<'c>(&'c mut Snapshot);
[INFO] [stdout]    |            ------------     ^^^^^^^^^^^^^^^^
[INFO] [stdout]    |            |
[INFO] [stdout]    |            field in this struct
[INFO] [stdout]    |
[INFO] [stdout]    = help: consider removing this field
[INFO] [stdout]    = note: `RwCursorImpl` has a derived impl for the trait `Debug`, but this is intentionally ignored during dead code analysis
[INFO] [stdout]    = note: `#[warn(dead_code)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: 1 warning emitted
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr]     Checking tempfile v3.8.1
[INFO] [stdout] warning: unused import: `super::*`
[INFO] [stdout]    --> src/manager.rs:195:9
[INFO] [stdout]     |
[INFO] [stdout] 195 |     use super::*;
[INFO] [stdout]     |         ^^^^^^^^
[INFO] [stdout]     |
[INFO] [stdout]     = note: `#[warn(unused_imports)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused import: `crate::*`
[INFO] [stdout]    --> src/manager.rs:196:9
[INFO] [stdout]     |
[INFO] [stdout] 196 |     use crate::*;
[INFO] [stdout]     |         ^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused import: `std::fs`
[INFO] [stdout]    --> src/manager.rs:198:9
[INFO] [stdout]     |
[INFO] [stdout] 198 |     use std::fs;
[INFO] [stdout]     |         ^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused import: `tempfile::Builder`
[INFO] [stdout]    --> src/manager.rs:200:9
[INFO] [stdout]     |
[INFO] [stdout] 200 |     use tempfile::Builder;
[INFO] [stdout]     |         ^^^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: field `0` is never read
[INFO] [stdout]   --> src/backend/impl_safe/cursor.rs:76:29
[INFO] [stdout]    |
[INFO] [stdout] 76 | pub struct RwCursorImpl<'c>(&'c mut Snapshot);
[INFO] [stdout]    |            ------------     ^^^^^^^^^^^^^^^^
[INFO] [stdout]    |            |
[INFO] [stdout]    |            field in this struct
[INFO] [stdout]    |
[INFO] [stdout]    = help: consider removing this field
[INFO] [stdout]    = note: `RwCursorImpl` has a derived impl for the trait `Debug`, but this is intentionally ignored during dead code analysis
[INFO] [stdout]    = note: `#[warn(dead_code)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: 5 warnings emitted
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr]     Finished `dev` profile [unoptimized + debuginfo] target(s) in 6.13s
[INFO] running `Command { std: "docker" "inspect" "4378b6c6c6ebeed31a8ac334836600141a3008724b7238d29f582068b7b94a0c", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "4378b6c6c6ebeed31a8ac334836600141a3008724b7238d29f582068b7b94a0c", kill_on_drop: false }`
[INFO] [stdout] 4378b6c6c6ebeed31a8ac334836600141a3008724b7238d29f582068b7b94a0c