[INFO] fetching crate kdbx4 0.5.1...
[INFO] checking kdbx4-0.5.1 against master#936f2600b6c903b04387f74ed5cbce88bb06d243 for pr-91141
[INFO] extracting crate kdbx4 0.5.1 into /workspace/builds/worker-78/source
[INFO] validating manifest of crates.io crate kdbx4 0.5.1 on toolchain 936f2600b6c903b04387f74ed5cbce88bb06d243
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+936f2600b6c903b04387f74ed5cbce88bb06d243" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }`
[INFO] started tweaking crates.io crate kdbx4 0.5.1
[INFO] finished tweaking crates.io crate kdbx4 0.5.1
[INFO] tweaked toml for crates.io crate kdbx4 0.5.1 written to /workspace/builds/worker-78/source/Cargo.toml
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+936f2600b6c903b04387f74ed5cbce88bb06d243" "generate-lockfile" "--manifest-path" "Cargo.toml" "-Zno-index-update", kill_on_drop: false }`
[INFO] [stderr]     Blocking waiting for file lock on package cache
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+936f2600b6c903b04387f74ed5cbce88bb06d243" "fetch" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] [stderr]     Blocking waiting for file lock on package cache
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-78/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-78/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@sha256:5736fa189c1c60b01babf4b8b698fe57b6ecc41933a7ff2e0b8d7a221459412b" "/opt/rustwide/cargo-home/bin/cargo" "+936f2600b6c903b04387f74ed5cbce88bb06d243" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] b85e3022610d412194a831a4880b4a5a88811b2495e2453c8e4131cd3ddb784b
[INFO] running `Command { std: "docker" "start" "-a" "b85e3022610d412194a831a4880b4a5a88811b2495e2453c8e4131cd3ddb784b", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "b85e3022610d412194a831a4880b4a5a88811b2495e2453c8e4131cd3ddb784b", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "b85e3022610d412194a831a4880b4a5a88811b2495e2453c8e4131cd3ddb784b", kill_on_drop: false }`
[INFO] [stdout] b85e3022610d412194a831a4880b4a5a88811b2495e2453c8e4131cd3ddb784b
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-78/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-78/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" "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@sha256:5736fa189c1c60b01babf4b8b698fe57b6ecc41933a7ff2e0b8d7a221459412b" "/opt/rustwide/cargo-home/bin/cargo" "+936f2600b6c903b04387f74ed5cbce88bb06d243" "check" "--frozen" "--all" "--all-targets" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] 24ad0983dee99534afe97212e06a433ca926fd3d043e4b9403e308130a9dc1b8
[INFO] running `Command { std: "docker" "start" "-a" "24ad0983dee99534afe97212e06a433ca926fd3d043e4b9403e308130a9dc1b8", kill_on_drop: false }`
[INFO] [stderr]    Compiling memchr v2.4.1
[INFO] [stderr]    Compiling log v0.4.14
[INFO] [stderr]    Compiling crossbeam-utils v0.8.5
[INFO] [stderr]     Checking cpufeatures v0.2.1
[INFO] [stderr]    Compiling crc32fast v1.2.2
[INFO] [stderr]     Checking opaque-debug v0.3.0
[INFO] [stderr]     Checking lazy_static v1.4.0
[INFO] [stderr]     Checking arrayvec v0.5.2
[INFO] [stderr]     Checking subtle v2.4.1
[INFO] [stderr]     Checking arrayref v0.3.6
[INFO] [stderr]     Checking constant_time_eq v0.1.5
[INFO] [stderr]     Checking block-padding v0.2.1
[INFO] [stderr]     Checking base64 v0.13.0
[INFO] [stderr]     Checking regex-syntax v0.6.25
[INFO] [stderr]     Checking pretty-hex v0.2.1
[INFO] [stderr]     Checking byteorder v1.4.3
[INFO] [stderr]     Checking xmlparser v0.6.1
[INFO] [stderr]    Compiling generic-array v0.14.4
[INFO] [stderr]     Checking atty v0.2.14
[INFO] [stderr]     Checking blake2b_simd v0.5.11
[INFO] [stderr]     Checking flate2 v1.0.22
[INFO] [stderr]     Checking cipher v0.3.0
[INFO] [stderr]     Checking digest v0.9.0
[INFO] [stderr]     Checking block-buffer v0.9.0
[INFO] [stderr]     Checking crypto-mac v0.11.1
[INFO] [stderr]     Checking block-modes v0.8.1
[INFO] [stderr]     Checking salsa20 v0.9.0
[INFO] [stderr]     Checking chacha20 v0.8.1
[INFO] [stderr]     Checking aes v0.7.5
[INFO] [stderr]     Checking hmac v0.11.0
[INFO] [stderr]     Checking sha2 v0.9.8
[INFO] [stderr]     Checking rust-argon2 v0.8.3
[INFO] [stderr]     Checking aho-corasick v0.7.18
[INFO] [stderr]     Checking kdbx4 v0.5.1 (/opt/rustwide/workdir)
[INFO] [stdout] warning: field is never read: `history`
[INFO] [stdout]   --> src/database/entry.rs:18:5
[INFO] [stdout]    |
[INFO] [stdout] 18 |     pub(super) history: Option<Vec<Entry<'a>>>,
[INFO] [stdout]    |     ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout]    |
[INFO] [stdout]    = note: `#[warn(dead_code)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: field is never read: `bin`
[INFO] [stdout]   --> src/database.rs:28:5
[INFO] [stdout]    |
[INFO] [stdout] 28 |     bin: Binaries,
[INFO] [stdout]    |     ^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: 2 warnings emitted
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr]     Checking regex v1.5.4
[INFO] [stderr]     Checking env_logger v0.9.0
[INFO] [stdout] warning: field is never read: `history`
[INFO] [stdout]   --> src/database/entry.rs:18:5
[INFO] [stdout]    |
[INFO] [stdout] 18 |     pub(super) history: Option<Vec<Entry<'a>>>,
[INFO] [stdout]    |     ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout]    |
[INFO] [stdout]    = note: `#[warn(dead_code)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: field is never read: `bin`
[INFO] [stdout]   --> src/database.rs:28:5
[INFO] [stdout]    |
[INFO] [stdout] 28 |     bin: Binaries,
[INFO] [stdout]    |     ^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: 2 warnings emitted
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 4.17s
[INFO] running `Command { std: "docker" "inspect" "24ad0983dee99534afe97212e06a433ca926fd3d043e4b9403e308130a9dc1b8", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "24ad0983dee99534afe97212e06a433ca926fd3d043e4b9403e308130a9dc1b8", kill_on_drop: false }`
[INFO] [stdout] 24ad0983dee99534afe97212e06a433ca926fd3d043e4b9403e308130a9dc1b8