[INFO] fetching crate grebedb 1.0.0...
[INFO] testing grebedb-1.0.0 against 1.90.0 for beta-1.91-3
[INFO] extracting crate grebedb 1.0.0 into /workspace/builds/worker-7-tc1/source
[INFO] started tweaking crates.io crate grebedb 1.0.0
[INFO] finished tweaking crates.io crate grebedb 1.0.0
[INFO] tweaked toml for crates.io crate grebedb 1.0.0 written to /workspace/builds/worker-7-tc1/source/Cargo.toml
[INFO] validating manifest of crates.io crate grebedb 1.0.0 on toolchain 1.90.0
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+1.90.0" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }`
[INFO] crate crates.io crate grebedb 1.0.0 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" "+1.90.0" "fetch" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] [stderr] Updating crates.io index
[INFO] [stderr] Downloading crates ...
[INFO] [stderr] Downloaded cc v1.0.68
[INFO] [stderr] Downloaded thiserror-impl v1.0.25
[INFO] [stderr] Downloaded zstd v0.8.3+zstd.1.5.0
[INFO] [stderr] Downloaded thiserror v1.0.25
[INFO] [stderr] Downloaded rustc_version v0.2.3
[INFO] [stderr] Downloaded crc32c v0.6.0
[INFO] [stderr] Downloaded rand_xorshift v0.3.0
[INFO] [stderr] Downloaded fslock v0.1.6
[INFO] [stderr] Downloaded anyhow v1.0.40
[INFO] [stderr] Downloaded rand_distr v0.4.0
[INFO] [stderr] Downloaded simba v0.4.0
[INFO] [stderr] Downloaded redox_syscall v0.2.8
[INFO] [stderr] Downloaded libm v0.2.1
[INFO] [stderr] Downloaded statrs v0.14.0
[INFO] [stderr] Downloaded serde v1.0.126
[INFO] [stderr] Downloaded getrandom v0.2.3
[INFO] [stderr] Downloaded serde_derive v1.0.126
[INFO] [stderr] Downloaded uuid v0.8.2
[INFO] [stderr] Downloaded proc-macro2 v1.0.27
[INFO] [stderr] Downloaded semver-parser v0.7.0
[INFO] [stderr] Downloaded syn v1.0.72
[INFO] [stderr] Downloaded semver v0.9.0
[INFO] [stderr] Downloaded indexmap v1.6.2
[INFO] [stderr] Downloaded matrixmultiply v0.3.1
[INFO] [stderr] Downloaded nalgebra v0.26.2
[INFO] [stderr] Downloaded num-rational v0.3.2
[INFO] [stderr] Downloaded num-complex v0.3.1
[INFO] [stderr] Downloaded typenum v1.13.0
[INFO] [stderr] Downloaded rmp v0.8.10
[INFO] [stderr] Downloaded rmp-serde v0.15.4
[INFO] [stderr] Downloaded libc v0.2.95
[INFO] [stderr] Downloaded serde_bytes v0.11.5
[INFO] [stderr] Downloaded approx v0.4.0
[INFO] [stderr] Downloaded relative-path v1.4.0
[INFO] [stderr] Downloaded paste v1.0.5
[INFO] [stderr] Downloaded strkey v0.1.0
[INFO] [stderr] Downloaded data-encoding v2.3.2
[INFO] [stderr] Downloaded rawpointer v0.2.1
[INFO] [stderr] Downloaded jobserver v0.1.22
[INFO] [stderr] Downloaded vfs v0.5.1
[INFO] [stderr] Downloaded zstd-sys v1.6.0+zstd.1.5.0
[INFO] [stderr] Downloaded zstd-safe v4.1.0+zstd.1.5.0
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-7-tc1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-7-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:e90291280db7d1fac5b66fc6dad9f9662629e7365a55743daf9bdf73ebc4ea79" "/opt/rustwide/cargo-home/bin/cargo" "+1.90.0" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] d6a60e78e9b3b52becedb04ab8c3c5d01953483688cafe898211a3322bedb107
[INFO] running `Command { std: "docker" "start" "-a" "d6a60e78e9b3b52becedb04ab8c3c5d01953483688cafe898211a3322bedb107", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "d6a60e78e9b3b52becedb04ab8c3c5d01953483688cafe898211a3322bedb107", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "d6a60e78e9b3b52becedb04ab8c3c5d01953483688cafe898211a3322bedb107", kill_on_drop: false }`
[INFO] [stdout] d6a60e78e9b3b52becedb04ab8c3c5d01953483688cafe898211a3322bedb107
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-7-tc1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-7-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=warn" "-e" "RUSTDOCFLAGS=--cap-lints=warn" "-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:e90291280db7d1fac5b66fc6dad9f9662629e7365a55743daf9bdf73ebc4ea79" "/opt/rustwide/cargo-home/bin/cargo" "+1.90.0" "build" "--frozen" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] 1bf5b2d29e6b646eefd3058f3e77e754047d518ab545349e6c53dc7e7dc47975
[INFO] running `Command { std: "docker" "start" "-a" "1bf5b2d29e6b646eefd3058f3e77e754047d518ab545349e6c53dc7e7dc47975", kill_on_drop: false }`
[INFO] [stderr] Compiling proc-macro2 v1.0.27
[INFO] [stderr] Compiling libc v0.2.95
[INFO] [stderr] Compiling unicode-xid v0.2.2
[INFO] [stderr] Compiling syn v1.0.72
[INFO] [stderr] Compiling serde_derive v1.0.126
[INFO] [stderr] Compiling serde v1.0.126
[INFO] [stderr] Compiling semver-parser v0.7.0
[INFO] [stderr] Compiling libm v0.2.1
[INFO] [stderr] Compiling autocfg v1.0.1
[INFO] [stderr] Compiling zstd-safe v4.1.0+zstd.1.5.0
[INFO] [stderr] Compiling ryu v1.0.5
[INFO] [stderr] Compiling serde_json v1.0.64
[INFO] [stderr] Compiling num-traits v0.2.14
[INFO] [stderr] Compiling semver v0.9.0
[INFO] [stderr] Compiling byteorder v1.4.3
[INFO] [stderr] Compiling itoa v0.4.7
[INFO] [stderr] Compiling data-encoding v2.3.2
[INFO] [stderr] Compiling relative-path v1.4.0
[INFO] [stderr] Compiling rustc_version v0.2.3
[INFO] [stderr] Compiling quote v1.0.9
[INFO] [stderr] Compiling jobserver v0.1.22
[INFO] [stderr] Compiling getrandom v0.2.3
[INFO] [stderr] Compiling crc32c v0.6.0
[INFO] [stderr] Compiling fslock v0.1.6
[INFO] [stderr] Compiling cc v1.0.68
[INFO] [stderr] Compiling rmp v0.8.10
[INFO] [stderr] Compiling zstd-sys v1.6.0+zstd.1.5.0
[INFO] [stderr] Compiling thiserror-impl v1.0.25
[INFO] [stderr] Compiling thiserror v1.0.25
[INFO] [stderr] Compiling vfs v0.5.1
[INFO] [stderr] Compiling rmp-serde v0.15.4
[INFO] [stderr] Compiling uuid v0.8.2
[INFO] [stderr] Compiling serde_bytes v0.11.5
[INFO] [stderr] Compiling zstd v0.8.3+zstd.1.5.0
[INFO] [stderr] Compiling grebedb v1.0.0 (/opt/rustwide/workdir)
[INFO] [stdout] warning: variable does not need to be mutable
[INFO] [stdout] --> src/page.rs:90:13
[INFO] [stdout] |
[INFO] [stdout] 90 | let mut page = self.cached_pages.get_mut(&page_id).unwrap();
[INFO] [stdout] | ----^^^^
[INFO] [stdout] | |
[INFO] [stdout] | help: remove this `mut`
[INFO] [stdout] |
[INFO] [stdout] = note: `#[warn(unused_mut)]` on by default
[INFO] [stdout]
[INFO] [stdout]
[INFO] [stdout] warning: variable does not need to be mutable
[INFO] [stdout] --> src/tree.rs:996:21
[INFO] [stdout] |
[INFO] [stdout] 996 | if let Some(mut meta) = self.page_table.auxiliary_metadata_mut() {
[INFO] [stdout] | ----^^^^
[INFO] [stdout] | |
[INFO] [stdout] | help: remove this `mut`
[INFO] [stdout]
[INFO] [stdout]
[INFO] [stdout] warning: variable does not need to be mutable
[INFO] [stdout] --> src/tree.rs:1002:21
[INFO] [stdout] |
[INFO] [stdout] 1002 | if let Some(mut meta) = self.page_table.auxiliary_metadata_mut() {
[INFO] [stdout] | ----^^^^
[INFO] [stdout] | |
[INFO] [stdout] | help: remove this `mut`
[INFO] [stdout]
[INFO] [stdout]
[INFO] [stdout] warning: hiding a lifetime that's elided elsewhere is confusing
[INFO] [stdout] --> src/lib.rs:324:21
[INFO] [stdout] |
[INFO] [stdout] 324 | pub fn metadata(&self) -> Metadata {
[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] 324 | pub fn metadata(&self) -> Metadata<'_> {
[INFO] [stdout] | ++++
[INFO] [stdout]
[INFO] [stdout]
[INFO] [stdout] warning: hiding a lifetime that's elided elsewhere is confusing
[INFO] [stdout] --> src/page.rs:433:19
[INFO] [stdout] |
[INFO] [stdout] 433 | pub fn update(&mut self, page_id: PageId) -> Result