[INFO] fetching crate grebedb 1.0.0...
[INFO] testing grebedb-1.0.0 against 1.75.0 for beta-1.76-1
[INFO] extracting crate grebedb 1.0.0 into /workspace/builds/worker-6-tc1/source
[INFO] validating manifest of crates.io crate grebedb 1.0.0 on toolchain 1.75.0
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+1.75.0" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }`
[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-6-tc1/source/Cargo.toml
[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" "+1.75.0" "fetch" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] [stderr]     Updating crates.io index
[INFO] [stderr]  Downloading crates ...
[INFO] [stderr]   Downloaded simba v0.4.0
[INFO] [stderr]   Downloaded zstd-safe v4.1.0+zstd.1.5.0
[INFO] [stderr]   Downloaded rmp v0.8.10
[INFO] [stderr]   Downloaded anyhow v1.0.40
[INFO] [stderr]   Downloaded nalgebra v0.26.2
[INFO] [stderr]   Downloaded zstd v0.8.3+zstd.1.5.0
[INFO] [stderr]   Downloaded strkey v0.1.0
[INFO] [stderr]   Downloaded fslock v0.1.6
[INFO] [stderr]   Downloaded crc32c v0.6.0
[INFO] [stderr]   Downloaded vfs v0.5.1
[INFO] [stderr]   Downloaded rmp-serde v0.15.4
[INFO] [stderr]   Downloaded rand_distr v0.4.0
[INFO] [stderr]   Downloaded relative-path v1.4.0
[INFO] [stderr]   Downloaded statrs v0.14.0
[INFO] [stderr]   Downloaded zstd-sys v1.6.0+zstd.1.5.0
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-6-tc1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-6-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@sha256:2788e3201cd34a07e3172128adcd8b3090168a8e3bcc40d7c032b9dda1df7d1c" "/opt/rustwide/cargo-home/bin/cargo" "+1.75.0" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] cd5a7aa8b5694d6cc94ad91e183ed0e8a77e2ae52c5778117e9cd6efe8a45c0f
[INFO] running `Command { std: "docker" "start" "-a" "cd5a7aa8b5694d6cc94ad91e183ed0e8a77e2ae52c5778117e9cd6efe8a45c0f", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "cd5a7aa8b5694d6cc94ad91e183ed0e8a77e2ae52c5778117e9cd6efe8a45c0f", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "cd5a7aa8b5694d6cc94ad91e183ed0e8a77e2ae52c5778117e9cd6efe8a45c0f", kill_on_drop: false }`
[INFO] [stdout] cd5a7aa8b5694d6cc94ad91e183ed0e8a77e2ae52c5778117e9cd6efe8a45c0f
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-6-tc1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-6-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@sha256:2788e3201cd34a07e3172128adcd8b3090168a8e3bcc40d7c032b9dda1df7d1c" "/opt/rustwide/cargo-home/bin/cargo" "+1.75.0" "build" "--frozen" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] dd3233da49bf5cbe4dfc6059b235ffca8450f589ec1efa39bf90f1d199dc06a3
[INFO] running `Command { std: "docker" "start" "-a" "dd3233da49bf5cbe4dfc6059b235ffca8450f589ec1efa39bf90f1d199dc06a3", kill_on_drop: false }`
[INFO] [stderr]    Compiling proc-macro2 v1.0.27
[INFO] [stderr]    Compiling libc v0.2.95
[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 autocfg v1.0.1
[INFO] [stderr]    Compiling semver-parser v0.7.0
[INFO] [stderr]    Compiling libm v0.2.1
[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 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 semver v0.9.0
[INFO] [stderr]    Compiling num-traits v0.2.14
[INFO] [stderr]    Compiling rustc_version v0.2.3
[INFO] [stderr]    Compiling crc32c v0.6.0
[INFO] [stderr]    Compiling quote v1.0.9
[INFO] [stderr]    Compiling jobserver v0.1.22
[INFO] [stderr]    Compiling getrandom v0.2.3
[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: 3 warnings emitted
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 20.87s
[INFO] running `Command { std: "docker" "inspect" "dd3233da49bf5cbe4dfc6059b235ffca8450f589ec1efa39bf90f1d199dc06a3", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "dd3233da49bf5cbe4dfc6059b235ffca8450f589ec1efa39bf90f1d199dc06a3", kill_on_drop: false }`
[INFO] [stdout] dd3233da49bf5cbe4dfc6059b235ffca8450f589ec1efa39bf90f1d199dc06a3
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-6-tc1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-6-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@sha256:2788e3201cd34a07e3172128adcd8b3090168a8e3bcc40d7c032b9dda1df7d1c" "/opt/rustwide/cargo-home/bin/cargo" "+1.75.0" "test" "--frozen" "--no-run" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] 5bf751e1bb9394498bcccaee34ed389ab447cedbbeb768d0a5993855cc4b0c52
[INFO] running `Command { std: "docker" "start" "-a" "5bf751e1bb9394498bcccaee34ed389ab447cedbbeb768d0a5993855cc4b0c52", kill_on_drop: false }`
[INFO] [stderr]    Compiling ppv-lite86 v0.2.10
[INFO] [stderr]    Compiling num-integer v0.1.44
[INFO] [stderr]    Compiling num-rational v0.3.2
[INFO] [stderr]    Compiling typenum v1.13.0
[INFO] [stderr]    Compiling paste v1.0.5
[INFO] [stderr]    Compiling rand_core v0.6.2
[INFO] [stderr]    Compiling bitflags v1.2.1
[INFO] [stderr]    Compiling matrixmultiply v0.3.1
[INFO] [stderr]    Compiling indexmap v1.6.2
[INFO] [stderr]    Compiling anyhow v1.0.40
[INFO] [stderr]    Compiling approx v0.4.0
[INFO] [stderr]    Compiling num-complex v0.3.1
[INFO] [stderr]    Compiling unicode-width v0.1.8
[INFO] [stderr]    Compiling atty v0.2.14
[INFO] [stderr]    Compiling remove_dir_all v0.5.3
[INFO] [stderr]    Compiling hex v0.4.3
[INFO] [stderr]    Compiling textwrap v0.11.0
[INFO] [stderr]    Compiling ansi_term v0.11.0
[INFO] [stderr]    Compiling hashbrown v0.9.1
[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: 3 warnings emitted
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr]    Compiling rand_xorshift v0.3.0
[INFO] [stderr]    Compiling strkey v0.1.0
[INFO] [stderr]    Compiling rand_chacha v0.3.0
[INFO] [stderr]    Compiling clap v2.33.3
[INFO] [stderr]    Compiling rand v0.8.3
[INFO] [stderr]    Compiling simba v0.4.0
[INFO] [stderr]    Compiling rand_distr v0.4.0
[INFO] [stderr]    Compiling tempfile v3.2.0
[INFO] [stderr]    Compiling nalgebra v0.26.2
[INFO] [stderr]    Compiling statrs v0.14.0
[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] [stderr] error: could not compile `grebedb` (lib test); 3 warnings emitted
[INFO] [stderr] 
[INFO] [stderr] Caused by:
[INFO] [stderr]   process didn't exit successfully: `/opt/rustwide/rustup-home/toolchains/1.75.0-x86_64-unknown-linux-gnu/bin/rustc --crate-name grebedb --edition=2018 src/lib.rs --error-format=json --json=diagnostic-rendered-ansi,artifacts,future-incompat --emit=dep-info,link -C embed-bitcode=no -C debuginfo=2 --test --cfg 'feature="compression"' --cfg 'feature="default"' --cfg 'feature="file_locking"' --cfg 'feature="fslock"' --cfg 'feature="system"' --cfg 'feature="zstd"' -C metadata=a390f81170f83bf3 -C extra-filename=-a390f81170f83bf3 --out-dir /opt/rustwide/target/debug/deps -L dependency=/opt/rustwide/target/debug/deps --extern anyhow=/opt/rustwide/target/debug/deps/libanyhow-81a1deac21b48602.rlib --extern clap=/opt/rustwide/target/debug/deps/libclap-dcf129a5e962b84e.rlib --extern crc32c=/opt/rustwide/target/debug/deps/libcrc32c-256e710a33ec0690.rlib --extern data_encoding=/opt/rustwide/target/debug/deps/libdata_encoding-039954bda8031879.rlib --extern fslock=/opt/rustwide/target/debug/deps/libfslock-20cd2fb449ef6bad.rlib --extern indexmap=/opt/rustwide/target/debug/deps/libindexmap-c4806f0e68a1b895.rlib --extern paste=/opt/rustwide/target/debug/deps/libpaste-cb2961d8098e1d8a.so --extern rand=/opt/rustwide/target/debug/deps/librand-d1cb82d92f1ca864.rlib --extern rand_xorshift=/opt/rustwide/target/debug/deps/librand_xorshift-7db20c374d82ac0c.rlib --extern relative_path=/opt/rustwide/target/debug/deps/librelative_path-e13391845db603e1.rlib --extern rmp_serde=/opt/rustwide/target/debug/deps/librmp_serde-228bed7bd841df9f.rlib --extern serde=/opt/rustwide/target/debug/deps/libserde-8ea3b747b9e3a09d.rlib --extern serde_bytes=/opt/rustwide/target/debug/deps/libserde_bytes-3544cb226b52a28d.rlib --extern serde_json=/opt/rustwide/target/debug/deps/libserde_json-fdb9e3d28f96a3da.rlib --extern statrs=/opt/rustwide/target/debug/deps/libstatrs-2e5d61342e71ef3e.rlib --extern strkey=/opt/rustwide/target/debug/deps/libstrkey-fb74326c59ae7308.rlib --extern tempfile=/opt/rustwide/target/debug/deps/libtempfile-cf2fa2f15ec69831.rlib --extern thiserror=/opt/rustwide/target/debug/deps/libthiserror-2cfd5dfc985cb492.rlib --extern uuid=/opt/rustwide/target/debug/deps/libuuid-1491bcc103401786.rlib --extern vfs=/opt/rustwide/target/debug/deps/libvfs-84ac2a21599a7170.rlib --extern zstd=/opt/rustwide/target/debug/deps/libzstd-04b8d021a892476e.rlib --cap-lints=warn -L native=/opt/rustwide/target/debug/build/zstd-sys-e3b65663cbb7b1d1/out` (signal: 9, SIGKILL: kill)
[INFO] [stderr] warning: build failed, waiting for other jobs to finish...
[INFO] running `Command { std: "docker" "inspect" "5bf751e1bb9394498bcccaee34ed389ab447cedbbeb768d0a5993855cc4b0c52", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "5bf751e1bb9394498bcccaee34ed389ab447cedbbeb768d0a5993855cc4b0c52", kill_on_drop: false }`
[INFO] [stdout] 5bf751e1bb9394498bcccaee34ed389ab447cedbbeb768d0a5993855cc4b0c52
[INFO] testing grebedb-1.0.0 against beta-2023-12-22 for beta-1.76-1
[INFO] extracting crate grebedb 1.0.0 into /workspace/builds/worker-6-tc2/source
[INFO] validating manifest of crates.io crate grebedb 1.0.0 on toolchain beta-2023-12-22
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+beta-2023-12-22" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }`
[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-6-tc2/source/Cargo.toml
[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" "+beta-2023-12-22" "fetch" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[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@sha256:2788e3201cd34a07e3172128adcd8b3090168a8e3bcc40d7c032b9dda1df7d1c" "/opt/rustwide/cargo-home/bin/cargo" "+beta-2023-12-22" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] c4ba130c316288baaa8033a86f9336b6a5cfc902deab67ebd3c1ce92254b1739
[INFO] running `Command { std: "docker" "start" "-a" "c4ba130c316288baaa8033a86f9336b6a5cfc902deab67ebd3c1ce92254b1739", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "c4ba130c316288baaa8033a86f9336b6a5cfc902deab67ebd3c1ce92254b1739", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "c4ba130c316288baaa8033a86f9336b6a5cfc902deab67ebd3c1ce92254b1739", kill_on_drop: false }`
[INFO] [stdout] c4ba130c316288baaa8033a86f9336b6a5cfc902deab67ebd3c1ce92254b1739
[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=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@sha256:2788e3201cd34a07e3172128adcd8b3090168a8e3bcc40d7c032b9dda1df7d1c" "/opt/rustwide/cargo-home/bin/cargo" "+beta-2023-12-22" "build" "--frozen" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] 20a0bc8aa3dbf5080d12467ab11c5cb3d6986de479a6e085d4672f274557338a
[INFO] running `Command { std: "docker" "start" "-a" "20a0bc8aa3dbf5080d12467ab11c5cb3d6986de479a6e085d4672f274557338a", kill_on_drop: false }`
[INFO] [stderr]    Compiling proc-macro2 v1.0.27
[INFO] [stderr]    Compiling libc v0.2.95
[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 libm v0.2.1
[INFO] [stderr]    Compiling semver-parser v0.7.0
[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 byteorder v1.4.3
[INFO] [stderr]    Compiling serde_json v1.0.64
[INFO] [stderr]    Compiling itoa v0.4.7
[INFO] [stderr]    Compiling relative-path v1.4.0
[INFO] [stderr]    Compiling data-encoding v2.3.2
[INFO] [stderr]    Compiling semver v0.9.0
[INFO] [stderr]    Compiling num-traits v0.2.14
[INFO] [stderr]    Compiling rustc_version v0.2.3
[INFO] [stderr]    Compiling quote v1.0.9
[INFO] [stderr]    Compiling crc32c v0.6.0
[INFO] [stderr]    Compiling jobserver v0.1.22
[INFO] [stderr]    Compiling getrandom v0.2.3
[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 uuid v0.8.2
[INFO] [stderr]    Compiling serde_bytes v0.11.5
[INFO] [stderr]    Compiling rmp-serde v0.15.4
[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: 3 warnings emitted
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 17.37s
[INFO] running `Command { std: "docker" "inspect" "20a0bc8aa3dbf5080d12467ab11c5cb3d6986de479a6e085d4672f274557338a", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "20a0bc8aa3dbf5080d12467ab11c5cb3d6986de479a6e085d4672f274557338a", kill_on_drop: false }`
[INFO] [stdout] 20a0bc8aa3dbf5080d12467ab11c5cb3d6986de479a6e085d4672f274557338a
[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=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@sha256:2788e3201cd34a07e3172128adcd8b3090168a8e3bcc40d7c032b9dda1df7d1c" "/opt/rustwide/cargo-home/bin/cargo" "+beta-2023-12-22" "test" "--frozen" "--no-run" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] 31e69caa6a1454bb1ced22bdb1fe01b563be9eb4d499911e25caeddbc6f8917d
[INFO] running `Command { std: "docker" "start" "-a" "31e69caa6a1454bb1ced22bdb1fe01b563be9eb4d499911e25caeddbc6f8917d", kill_on_drop: false }`
[INFO] [stderr]    Compiling ppv-lite86 v0.2.10
[INFO] [stderr]    Compiling num-integer v0.1.44
[INFO] [stderr]    Compiling num-rational v0.3.2
[INFO] [stderr]    Compiling typenum v1.13.0
[INFO] [stderr]    Compiling rand_core v0.6.2
[INFO] [stderr]    Compiling bitflags v1.2.1
[INFO] [stderr]    Compiling paste v1.0.5
[INFO] [stderr]    Compiling indexmap v1.6.2
[INFO] [stderr]    Compiling unicode-width v0.1.8
[INFO] [stderr]    Compiling num-complex v0.3.1
[INFO] [stderr]    Compiling approx v0.4.0
[INFO] [stderr]    Compiling matrixmultiply v0.3.1
[INFO] [stderr]    Compiling anyhow v1.0.40
[INFO] [stderr]    Compiling atty v0.2.14
[INFO] [stderr]    Compiling hashbrown v0.9.1
[INFO] [stderr]    Compiling ansi_term v0.11.0
[INFO] [stderr]    Compiling textwrap v0.11.0
[INFO] [stderr]    Compiling hex v0.4.3
[INFO] [stderr]    Compiling remove_dir_all v0.5.3
[INFO] [stderr]    Compiling rand_xorshift v0.3.0
[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: 3 warnings emitted
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr]    Compiling strkey v0.1.0
[INFO] [stderr]    Compiling rand_chacha v0.3.0
[INFO] [stderr]    Compiling clap v2.33.3
[INFO] [stderr]    Compiling simba v0.4.0
[INFO] [stderr]    Compiling rand v0.8.3
[INFO] [stderr]    Compiling rand_distr v0.4.0
[INFO] [stderr]    Compiling tempfile v3.2.0
[INFO] [stderr]    Compiling nalgebra v0.26.2
[INFO] [stderr]    Compiling statrs v0.14.0
[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] [stderr] error: could not compile `grebedb` (lib test); 3 warnings emitted
[INFO] [stderr] 
[INFO] [stderr] Caused by:
[INFO] [stderr]   process didn't exit successfully: `/opt/rustwide/rustup-home/toolchains/beta-2023-12-22-x86_64-unknown-linux-gnu/bin/rustc --crate-name grebedb --edition=2018 src/lib.rs --error-format=json --json=diagnostic-rendered-ansi,artifacts,future-incompat --emit=dep-info,link -C embed-bitcode=no -C debuginfo=2 --test --cfg 'feature="compression"' --cfg 'feature="default"' --cfg 'feature="file_locking"' --cfg 'feature="fslock"' --cfg 'feature="system"' --cfg 'feature="zstd"' -C metadata=061d0d3e60c81fab -C extra-filename=-061d0d3e60c81fab --out-dir /opt/rustwide/target/debug/deps -L dependency=/opt/rustwide/target/debug/deps --extern anyhow=/opt/rustwide/target/debug/deps/libanyhow-abd28238dd20f2da.rlib --extern clap=/opt/rustwide/target/debug/deps/libclap-7875ce276f37e5c9.rlib --extern crc32c=/opt/rustwide/target/debug/deps/libcrc32c-987d15b60ffa7904.rlib --extern data_encoding=/opt/rustwide/target/debug/deps/libdata_encoding-f45f01588a50150b.rlib --extern fslock=/opt/rustwide/target/debug/deps/libfslock-143d58af52ce2287.rlib --extern indexmap=/opt/rustwide/target/debug/deps/libindexmap-6f587e72f655031d.rlib --extern paste=/opt/rustwide/target/debug/deps/libpaste-1e996bacdd7f7ce3.so --extern rand=/opt/rustwide/target/debug/deps/librand-e6aa29097a6938fc.rlib --extern rand_xorshift=/opt/rustwide/target/debug/deps/librand_xorshift-c439cf8efb21f79b.rlib --extern relative_path=/opt/rustwide/target/debug/deps/librelative_path-663cf62d6a4e5b94.rlib --extern rmp_serde=/opt/rustwide/target/debug/deps/librmp_serde-b57fbba43a7c909a.rlib --extern serde=/opt/rustwide/target/debug/deps/libserde-0a61cf3b1b63dcd1.rlib --extern serde_bytes=/opt/rustwide/target/debug/deps/libserde_bytes-5798a372703b9385.rlib --extern serde_json=/opt/rustwide/target/debug/deps/libserde_json-aee52b5edb508ccf.rlib --extern statrs=/opt/rustwide/target/debug/deps/libstatrs-41886532267882c3.rlib --extern strkey=/opt/rustwide/target/debug/deps/libstrkey-297a4c3df441dbde.rlib --extern tempfile=/opt/rustwide/target/debug/deps/libtempfile-5a000fde6e6ef802.rlib --extern thiserror=/opt/rustwide/target/debug/deps/libthiserror-74b4243cd8f6d7c0.rlib --extern uuid=/opt/rustwide/target/debug/deps/libuuid-975ee57de2351faa.rlib --extern vfs=/opt/rustwide/target/debug/deps/libvfs-c8c319e57634bb95.rlib --extern zstd=/opt/rustwide/target/debug/deps/libzstd-842cfa70532c1494.rlib --cap-lints=warn -L native=/opt/rustwide/target/debug/build/zstd-sys-11b24d0f515214d4/out` (signal: 9, SIGKILL: kill)
[INFO] [stderr] warning: build failed, waiting for other jobs to finish...
[INFO] running `Command { std: "docker" "inspect" "31e69caa6a1454bb1ced22bdb1fe01b563be9eb4d499911e25caeddbc6f8917d", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "31e69caa6a1454bb1ced22bdb1fe01b563be9eb4d499911e25caeddbc6f8917d", kill_on_drop: false }`
[INFO] [stdout] 31e69caa6a1454bb1ced22bdb1fe01b563be9eb4d499911e25caeddbc6f8917d
