[INFO] fetching crate kismet-cache 0.2.0...
[INFO] checking kismet-cache-0.2.0 against beta-2021-10-15 for beta-1.56-3
[INFO] extracting crate kismet-cache 0.2.0 into /workspace/builds/worker-30/source
[INFO] validating manifest of crates.io crate kismet-cache 0.2.0 on toolchain beta-2021-10-15
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+beta-2021-10-15" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }`
[INFO] started tweaking crates.io crate kismet-cache 0.2.0
[INFO] finished tweaking crates.io crate kismet-cache 0.2.0
[INFO] tweaked toml for crates.io crate kismet-cache 0.2.0 written to /workspace/builds/worker-30/source/Cargo.toml
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+beta-2021-10-15" "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" "+beta-2021-10-15" "fetch" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] [stderr]     Blocking waiting for file lock on package cache
[INFO] [stderr]     Blocking waiting for file lock on package cache
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-30/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-30/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:a89201d6b5b9fd45c15d5952ece0a0129e7e80cb26ec023fd59cf09bc26f1604" "/opt/rustwide/cargo-home/bin/cargo" "+beta-2021-10-15" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] caa8c91c62bcec89fec6630baa98a3e9c78f05cb690a1fb63e3293fb29ede6d8
[INFO] running `Command { std: "docker" "start" "-a" "caa8c91c62bcec89fec6630baa98a3e9c78f05cb690a1fb63e3293fb29ede6d8", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "caa8c91c62bcec89fec6630baa98a3e9c78f05cb690a1fb63e3293fb29ede6d8", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "caa8c91c62bcec89fec6630baa98a3e9c78f05cb690a1fb63e3293fb29ede6d8", kill_on_drop: false }`
[INFO] [stdout] caa8c91c62bcec89fec6630baa98a3e9c78f05cb690a1fb63e3293fb29ede6d8
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-30/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-30/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" "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:a89201d6b5b9fd45c15d5952ece0a0129e7e80cb26ec023fd59cf09bc26f1604" "/opt/rustwide/cargo-home/bin/cargo" "+beta-2021-10-15" "check" "--frozen" "--all" "--all-targets" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] 40f5cd7580adae6b8dfa30654d52a8236e70056c0b55d6d8a24ae71d9c975d09
[INFO] running `Command { std: "docker" "start" "-a" "40f5cd7580adae6b8dfa30654d52a8236e70056c0b55d6d8a24ae71d9c975d09", kill_on_drop: false }`
[INFO] [stderr]     Blocking waiting for file lock on package cache
[INFO] [stderr]     Checking ppv-lite86 v0.2.14
[INFO] [stderr]    Compiling getrandom v0.1.16
[INFO] [stderr]    Compiling syn v0.15.44
[INFO] [stderr]     Checking bit-vec v0.6.3
[INFO] [stderr]     Checking quick-error v1.2.3
[INFO] [stderr]     Checking byteorder v1.4.3
[INFO] [stderr]     Checking quick-error v2.0.1
[INFO] [stderr]     Checking extendhash v1.0.9
[INFO] [stderr]    Compiling num-traits v0.2.14
[INFO] [stderr]     Checking getrandom v0.2.3
[INFO] [stderr]     Checking wait-timeout v0.2.0
[INFO] [stderr]     Checking filetime v0.2.15
[INFO] [stderr]    Compiling derivative v2.2.0
[INFO] [stderr]     Checking rand_core v0.6.3
[INFO] [stderr]     Checking bit-set v0.5.2
[INFO] [stderr]     Checking rand_xorshift v0.3.0
[INFO] [stderr]     Checking rand_chacha v0.3.1
[INFO] [stderr]     Checking rand_core v0.5.1
[INFO] [stderr]     Checking rand v0.8.4
[INFO] [stderr]     Checking rand_chacha v0.2.2
[INFO] [stderr]     Checking rand v0.7.3
[INFO] [stderr]     Checking tempfile v3.2.0
[INFO] [stderr]     Checking rusty-fork v0.3.0
[INFO] [stderr]     Checking kismet-cache v0.2.0 (/opt/rustwide/workdir)
[INFO] [stderr]     Checking proptest v1.0.0
[INFO] [stderr]    Compiling proptest-derive v0.3.0
[INFO] [stderr]     Checking test_dir v0.1.0
[INFO] [stdout] warning: associated function is never used: `new_random`
[INFO] [stdout]   --> src/multiplicative_hash.rs:50:12
[INFO] [stdout]    |
[INFO] [stdout] 50 |     pub fn new_random() -> MultiplicativeHash {
[INFO] [stdout]    |            ^^^^^^^^^^
[INFO] [stdout]    |
[INFO] [stdout]    = note: `#[warn(dead_code)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused return value of `Option::<T>::insert` that must be used
[INFO] [stdout]    --> src/stack.rs:297:9
[INFO] [stdout]     |
[INFO] [stdout] 297 | /         self.write_side.insert(Arc::new(PlainCache::new(
[INFO] [stdout] 298 | |             path.as_ref().to_owned(),
[INFO] [stdout] 299 | |             capacity,
[INFO] [stdout] 300 | |         )));
[INFO] [stdout]     | |____________^
[INFO] [stdout]     |
[INFO] [stdout]     = note: `#[warn(unused_must_use)]` on by default
[INFO] [stdout]     = note: if you intended to set a value, consider assignment instead
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused return value of `Option::<T>::insert` that must be used
[INFO] [stdout]    --> src/stack.rs:313:9
[INFO] [stdout]     |
[INFO] [stdout] 313 | /         self.write_side.insert(Arc::new(ShardedCache::new(
[INFO] [stdout] 314 | |             path.as_ref().to_owned(),
[INFO] [stdout] 315 | |             num_shards,
[INFO] [stdout] 316 | |             total_capacity,
[INFO] [stdout] 317 | |         )));
[INFO] [stdout]     | |____________^
[INFO] [stdout]     |
[INFO] [stdout]     = note: if you intended to set a value, consider assignment instead
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: 3 warnings emitted
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused return value of `Option::<T>::insert` that must be used
[INFO] [stdout]    --> src/stack.rs:297:9
[INFO] [stdout]     |
[INFO] [stdout] 297 | /         self.write_side.insert(Arc::new(PlainCache::new(
[INFO] [stdout] 298 | |             path.as_ref().to_owned(),
[INFO] [stdout] 299 | |             capacity,
[INFO] [stdout] 300 | |         )));
[INFO] [stdout]     | |____________^
[INFO] [stdout]     |
[INFO] [stdout]     = note: `#[warn(unused_must_use)]` on by default
[INFO] [stdout]     = note: if you intended to set a value, consider assignment instead
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused return value of `Option::<T>::insert` that must be used
[INFO] [stdout]    --> src/stack.rs:313:9
[INFO] [stdout]     |
[INFO] [stdout] 313 | /         self.write_side.insert(Arc::new(ShardedCache::new(
[INFO] [stdout] 314 | |             path.as_ref().to_owned(),
[INFO] [stdout] 315 | |             num_shards,
[INFO] [stdout] 316 | |             total_capacity,
[INFO] [stdout] 317 | |         )));
[INFO] [stdout]     | |____________^
[INFO] [stdout]     |
[INFO] [stdout]     = note: if you intended to set a value, consider assignment instead
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: 2 warnings emitted
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 45.43s
[INFO] running `Command { std: "docker" "inspect" "40f5cd7580adae6b8dfa30654d52a8236e70056c0b55d6d8a24ae71d9c975d09", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "40f5cd7580adae6b8dfa30654d52a8236e70056c0b55d6d8a24ae71d9c975d09", kill_on_drop: false }`
[INFO] [stdout] 40f5cd7580adae6b8dfa30654d52a8236e70056c0b55d6d8a24ae71d9c975d09
