[INFO] fetching crate parity-db 0.4.8...
[INFO] checking parity-db-0.4.8 against try#024378d9203a4009ed73d6db2681b88a8d74ce7a for pr-112160
[INFO] extracting crate parity-db 0.4.8 into /workspace/builds/worker-5-tc2/source
[INFO] validating manifest of crates.io crate parity-db 0.4.8 on toolchain 024378d9203a4009ed73d6db2681b88a8d74ce7a
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+024378d9203a4009ed73d6db2681b88a8d74ce7a" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }`
[INFO] started tweaking crates.io crate parity-db 0.4.8
[INFO] finished tweaking crates.io crate parity-db 0.4.8
[INFO] tweaked toml for crates.io crate parity-db 0.4.8 written to /workspace/builds/worker-5-tc2/source/Cargo.toml
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+024378d9203a4009ed73d6db2681b88a8d74ce7a" "generate-lockfile" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] [stderr]     Updating crates.io index
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+024378d9203a4009ed73d6db2681b88a8d74ce7a" "fetch" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-5-tc2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-5-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@sha256:19e73879b68f455e41552ea35293514db52ea292d993f571636dbffedb77a1ee" "/opt/rustwide/cargo-home/bin/cargo" "+024378d9203a4009ed73d6db2681b88a8d74ce7a" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] 3f7874cfad80184d8109755f0035f2f92805ffabd5a4adc117d667d61a3e123a
[INFO] running `Command { std: "docker" "start" "-a" "3f7874cfad80184d8109755f0035f2f92805ffabd5a4adc117d667d61a3e123a", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "3f7874cfad80184d8109755f0035f2f92805ffabd5a4adc117d667d61a3e123a", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "3f7874cfad80184d8109755f0035f2f92805ffabd5a4adc117d667d61a3e123a", kill_on_drop: false }`
[INFO] [stdout] 3f7874cfad80184d8109755f0035f2f92805ffabd5a4adc117d667d61a3e123a
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-5-tc2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-5-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@sha256:19e73879b68f455e41552ea35293514db52ea292d993f571636dbffedb77a1ee" "/opt/rustwide/cargo-home/bin/cargo" "+024378d9203a4009ed73d6db2681b88a8d74ce7a" "check" "--frozen" "--all" "--all-targets" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] aac9323b385af86a9972647e135654e1d58944500d97c177a13a964b2974eedb
[INFO] running `Command { std: "docker" "start" "-a" "aac9323b385af86a9972647e135654e1d58944500d97c177a13a964b2974eedb", kill_on_drop: false }`
[INFO] [stderr]    Compiling io-lifetimes v1.0.11
[INFO] [stderr]    Compiling rustix v0.37.19
[INFO] [stderr]    Compiling lz4-sys v1.9.4
[INFO] [stderr]    Compiling snap v1.1.0
[INFO] [stderr]     Checking siphasher v0.3.10
[INFO] [stderr]     Checking fs2 v0.4.3
[INFO] [stderr]     Checking memmap2 v0.5.10
[INFO] [stderr]     Checking humantime v2.1.0
[INFO] [stderr]     Checking fdlimit v0.2.1
[INFO] [stderr]     Checking regex v1.8.3
[INFO] [stderr]     Checking blake2 v0.10.6
[INFO] [stderr]     Checking is-terminal v0.4.7
[INFO] [stderr]     Checking tempfile v3.5.0
[INFO] [stderr]     Checking env_logger v0.10.0
[INFO] [stderr]     Checking lz4 v1.24.0
[INFO] [stderr]     Checking parity-db v0.4.8 (/opt/rustwide/workdir)
[INFO] [stdout] error: call to `.borrow()` on a reference in this situation does nothing
[INFO] [stdout]   --> src/db.rs:90:15
[INFO] [stdout]    |
[INFO] [stdout] 90 |         self.value().borrow()
[INFO] [stdout]    |                     ^^^^^^^^^ unnecessary method call
[INFO] [stdout]    |
[INFO] [stdout]    = note: the type `Vec<u8>` does not implement `Borrow`, so calling `borrow` on `&Vec<u8>` copies the reference, which does not do anything and can be removed
[INFO] [stdout]    = note: `#[deny(noop_method_call)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error: aborting due to previous error
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr] error: could not compile `parity-db` (lib) due to 2 previous errors
[INFO] [stderr] warning: build failed, waiting for other jobs to finish...
[INFO] [stdout] error: call to `.borrow()` on a reference in this situation does nothing
[INFO] [stdout]   --> src/db.rs:90:15
[INFO] [stdout]    |
[INFO] [stdout] 90 |         self.value().borrow()
[INFO] [stdout]    |                     ^^^^^^^^^ unnecessary method call
[INFO] [stdout]    |
[INFO] [stdout]    = note: the type `Vec<u8>` does not implement `Borrow`, so calling `borrow` on `&Vec<u8>` copies the reference, which does not do anything and can be removed
[INFO] [stdout]    = note: `#[deny(noop_method_call)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error: aborting due to previous error
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr] error: could not compile `parity-db` (lib test) due to 2 previous errors
[INFO] running `Command { std: "docker" "inspect" "aac9323b385af86a9972647e135654e1d58944500d97c177a13a964b2974eedb", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "aac9323b385af86a9972647e135654e1d58944500d97c177a13a964b2974eedb", kill_on_drop: false }`
[INFO] [stdout] aac9323b385af86a9972647e135654e1d58944500d97c177a13a964b2974eedb