[INFO] fetching crate lite_db 0.1.5...
[INFO] checking lite_db-0.1.5 against master#22572d0994593197593e2a1b7b18d720a9a349a7 for pr-126452-1
[INFO] extracting crate lite_db 0.1.5 into /workspace/builds/worker-5-tc1/source
[INFO] validating manifest of crates.io crate lite_db 0.1.5 on toolchain 22572d0994593197593e2a1b7b18d720a9a349a7
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+22572d0994593197593e2a1b7b18d720a9a349a7" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }`
[INFO] started tweaking crates.io crate lite_db 0.1.5
[INFO] finished tweaking crates.io crate lite_db 0.1.5
[INFO] tweaked toml for crates.io crate lite_db 0.1.5 written to /workspace/builds/worker-5-tc1/source/Cargo.toml
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+22572d0994593197593e2a1b7b18d720a9a349a7" "generate-lockfile" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] [stderr]     Updating crates.io index
[INFO] [stderr]      Locking 58 packages to latest compatible versions
[INFO] [stderr]       Adding generic-array v0.14.7 (latest: v1.1.0)
[INFO] [stderr]       Adding itertools v0.10.5 (latest: v0.13.0)
[INFO] [stderr]       Adding jammdb v0.10.0 (latest: v0.11.0)
[INFO] [stderr]       Adding memmap2 v0.5.10 (latest: v0.9.4)
[INFO] [stderr]       Adding memmap2 v0.7.1 (latest: v0.9.4)
[INFO] [stderr]       Adding page_size v0.5.0 (latest: v0.6.0)
[INFO] [stderr]       Adding prost v0.11.9 (latest: v0.13.2)
[INFO] [stderr]       Adding prost-derive v0.11.9 (latest: v0.13.2)
[INFO] [stderr]       Adding syn v1.0.109 (latest: v2.0.77)
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+22572d0994593197593e2a1b7b18d720a9a349a7" "fetch" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] [stderr]  Downloading crates ...
[INFO] [stderr]   Downloaded crossbeam-skiplist v0.1.3
[INFO] [stderr]   Downloaded function_name v0.3.0
[INFO] [stderr]   Downloaded memmap2 v0.7.1
[INFO] [stderr]   Downloaded function_name-proc-macro v0.3.0
[INFO] [stderr]   Downloaded jammdb v0.10.0
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-5-tc1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-5-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" "+22572d0994593197593e2a1b7b18d720a9a349a7" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] 37cb4dc1c8a4c189c6dfcbb66a0064ced7472459bba3b55e3919a16986296bad
[INFO] running `Command { std: "docker" "start" "-a" "37cb4dc1c8a4c189c6dfcbb66a0064ced7472459bba3b55e3919a16986296bad", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "37cb4dc1c8a4c189c6dfcbb66a0064ced7472459bba3b55e3919a16986296bad", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "37cb4dc1c8a4c189c6dfcbb66a0064ced7472459bba3b55e3919a16986296bad", kill_on_drop: false }`
[INFO] [stdout] 37cb4dc1c8a4c189c6dfcbb66a0064ced7472459bba3b55e3919a16986296bad
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-5-tc1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-5-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" "+22572d0994593197593e2a1b7b18d720a9a349a7" "check" "--frozen" "--all" "--all-targets" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] 698b79ddcb5d95fe08fc324789e988e707c82ad4505bf82517e429b2b83eae22
[INFO] running `Command { std: "docker" "start" "-a" "698b79ddcb5d95fe08fc324789e988e707c82ad4505bf82517e429b2b83eae22", kill_on_drop: false }`
[INFO] [stderr]    Compiling typenum v1.17.0
[INFO] [stderr]    Compiling version_check v0.9.5
[INFO] [stderr]    Compiling serde v1.0.209
[INFO] [stderr]    Compiling syn v1.0.109
[INFO] [stderr]    Compiling parking_lot_core v0.9.10
[INFO] [stderr]    Compiling either v1.13.0
[INFO] [stderr]     Checking scopeguard v1.2.0
[INFO] [stderr]     Checking keccak v0.1.5
[INFO] [stderr]     Checking memmap2 v0.5.10
[INFO] [stderr]    Compiling lock_api v0.4.12
[INFO] [stderr]    Compiling anyhow v1.0.86
[INFO] [stderr]     Checking fs2 v0.4.3
[INFO] [stderr]     Checking page_size v0.5.0
[INFO] [stderr]     Checking bumpalo v3.16.0
[INFO] [stderr]     Checking crossbeam-epoch v0.9.18
[INFO] [stderr]     Checking crc32fast v1.4.2
[INFO] [stderr]     Checking memmap2 v0.7.1
[INFO] [stderr]    Compiling function_name-proc-macro v0.3.0
[INFO] [stderr]    Compiling itertools v0.10.5
[INFO] [stderr]    Compiling generic-array v0.14.7
[INFO] [stderr]     Checking crossbeam-skiplist v0.1.3
[INFO] [stderr]     Checking function_name v0.3.0
[INFO] [stderr]     Checking parking_lot v0.12.3
[INFO] [stderr]     Checking crypto-common v0.1.6
[INFO] [stderr]     Checking block-buffer v0.10.4
[INFO] [stderr]     Checking digest v0.10.7
[INFO] [stderr]     Checking sha3 v0.10.8
[INFO] [stderr]    Compiling prost-derive v0.11.9
[INFO] [stderr]     Checking bytes v1.7.1
[INFO] [stderr]     Checking jammdb v0.10.0
[INFO] [stderr]     Checking prost v0.11.9
[INFO] [stderr]     Checking lite_db v0.1.5 (/opt/rustwide/workdir)
[INFO] [stdout] warning: field `merging_lock` is never read
[INFO] [stdout]   --> src/lite/lite.rs:34:16
[INFO] [stdout]    |
[INFO] [stdout] 25 | pub struct LiteDb {
[INFO] [stdout]    |            ------ field in this struct
[INFO] [stdout] ...
[INFO] [stdout] 34 |     pub(crate) merging_lock: Mutex<()>,
[INFO] [stdout]    |                ^^^^^^^^^^^^
[INFO] [stdout]    |
[INFO] [stdout]    = note: `#[warn(dead_code)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: 1 warning emitted
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: field `merging_lock` is never read
[INFO] [stdout]   --> src/lite/lite.rs:34:16
[INFO] [stdout]    |
[INFO] [stdout] 25 | pub struct LiteDb {
[INFO] [stdout]    |            ------ field in this struct
[INFO] [stdout] ...
[INFO] [stdout] 34 |     pub(crate) merging_lock: Mutex<()>,
[INFO] [stdout]    |                ^^^^^^^^^^^^
[INFO] [stdout]    |
[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]     Finished `dev` profile [unoptimized + debuginfo] target(s) in 3.46s
[INFO] running `Command { std: "docker" "inspect" "698b79ddcb5d95fe08fc324789e988e707c82ad4505bf82517e429b2b83eae22", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "698b79ddcb5d95fe08fc324789e988e707c82ad4505bf82517e429b2b83eae22", kill_on_drop: false }`
[INFO] [stdout] 698b79ddcb5d95fe08fc324789e988e707c82ad4505bf82517e429b2b83eae22