[INFO] fetching crate caches 0.2.0...
[INFO] checking caches-0.2.0 against master#936f2600b6c903b04387f74ed5cbce88bb06d243 for pr-91141
[INFO] extracting crate caches 0.2.0 into /workspace/builds/worker-91/source
[INFO] validating manifest of crates.io crate caches 0.2.0 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 caches 0.2.0
[INFO] finished tweaking crates.io crate caches 0.2.0
[INFO] tweaked toml for crates.io crate caches 0.2.0 written to /workspace/builds/worker-91/source/Cargo.toml
[INFO] crate crates.io crate caches 0.2.0 already has a lockfile, it will not be regenerated
[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] [stderr]     Blocking waiting for file lock on package cache
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-91/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-91/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] a1a25c2e68d3ae9a67213bca1a001c68cda668956788e9d1e5deab3431d4f0b8
[INFO] running `Command { std: "docker" "start" "-a" "a1a25c2e68d3ae9a67213bca1a001c68cda668956788e9d1e5deab3431d4f0b8", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "a1a25c2e68d3ae9a67213bca1a001c68cda668956788e9d1e5deab3431d4f0b8", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "a1a25c2e68d3ae9a67213bca1a001c68cda668956788e9d1e5deab3431d4f0b8", kill_on_drop: false }`
[INFO] [stdout] a1a25c2e68d3ae9a67213bca1a001c68cda668956788e9d1e5deab3431d4f0b8
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-91/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-91/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] 21f666ae872aaa8906283839977c1152bb938406e2bea25a76fa280236d8a1f3
[INFO] running `Command { std: "docker" "start" "-a" "21f666ae872aaa8906283839977c1152bb938406e2bea25a76fa280236d8a1f3", kill_on_drop: false }`
[INFO] [stderr]    Compiling libc v0.2.102
[INFO] [stderr]    Compiling syn v1.0.76
[INFO] [stderr]    Compiling serde_json v1.0.68
[INFO] [stderr]    Compiling log v0.4.14
[INFO] [stderr]     Checking half v1.7.1
[INFO] [stderr]     Checking siphasher v0.3.7
[INFO] [stderr]     Checking stats_alloc v0.1.8
[INFO] [stderr]     Checking scoped_threadpool v0.1.9
[INFO] [stderr]     Checking rustc-hash v1.1.0
[INFO] [stderr]    Compiling proc-macro2 v1.0.29
[INFO] [stderr]     Checking bincode v1.3.3
[INFO] [stderr]     Checking num-integer v0.1.44
[INFO] [stderr]     Checking serde_cbor v0.11.2
[INFO] [stderr]    Compiling quote v1.0.9
[INFO] [stderr]     Checking tinytemplate v1.2.1
[INFO] [stderr]     Checking getrandom v0.1.16
[INFO] [stderr]     Checking getrandom v0.2.3
[INFO] [stderr]     Checking num_cpus v1.13.0
[INFO] [stderr]     Checking time v0.1.43
[INFO] [stderr]     Checking atty v0.2.14
[INFO] [stderr]     Checking rand_core v0.5.1
[INFO] [stderr]     Checking rand_core v0.6.3
[INFO] [stderr]     Checking rayon-core v1.9.1
[INFO] [stderr]     Checking chrono v0.4.19
[INFO] [stderr]     Checking rand_chacha v0.2.2
[INFO] [stderr]     Checking rand_xorshift v0.2.0
[INFO] [stderr]     Checking rand_chacha v0.3.1
[INFO] [stderr]     Checking rand v0.7.3
[INFO] [stderr]     Checking rand v0.8.4
[INFO] [stderr]     Checking rayon v1.5.1
[INFO] [stderr]     Checking caches v0.2.0 (/opt/rustwide/workdir)
[INFO] [stderr]     Checking probabilistic-collections v0.7.0
[INFO] [stdout] warning: field is never read: `size_exp`
[INFO] [stdout]   --> src/lfu/tinylfu/bloom.rs:53:5
[INFO] [stdout]    |
[INFO] [stdout] 53 |     size_exp: u64,
[INFO] [stdout]    |     ^^^^^^^^^^^^^
[INFO] [stdout]    |
[INFO] [stdout]    = note: `#[warn(dead_code)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: associated function is never used: `size`
[INFO] [stdout]   --> src/lfu/tinylfu/bloom.rs:86:12
[INFO] [stdout]    |
[INFO] [stdout] 86 |     pub fn size(&mut self, sz: usize) {
[INFO] [stdout]    |            ^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: associated function is never used: `size_exp`
[INFO] [stdout]   --> src/lfu/tinylfu/bloom.rs:96:12
[INFO] [stdout]    |
[INFO] [stdout] 96 |     pub fn size_exp(&self) -> u64 {
[INFO] [stdout]    |            ^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: associated function is never used: `total_size`
[INFO] [stdout]    --> src/lfu/tinylfu/bloom.rs:162:12
[INFO] [stdout]     |
[INFO] [stdout] 162 |     pub fn total_size(&self) -> usize {
[INFO] [stdout]     |            ^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: 4 warnings emitted
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr]     Checking cascara v0.1.0
[INFO] [stderr]    Compiling serde_derive v1.0.130
[INFO] [stderr]     Checking criterion v0.3.5
[INFO] [stdout] warning: unused import: `OnEvict`
[INFO] [stdout]  --> examples/hit_ratio.rs:7:38
[INFO] [stdout]   |
[INFO] [stdout] 7 | use cascara::{Cache as CascaraCache, OnEvict};
[INFO] [stdout]   |                                      ^^^^^^^
[INFO] [stdout]   |
[INFO] [stdout]   = note: `#[warn(unused_imports)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused import: `std::time::Duration`
[INFO] [stdout]  --> examples/hit_ratio.rs:8:5
[INFO] [stdout]   |
[INFO] [stdout] 8 | use std::time::Duration;
[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 24.86s
[INFO] running `Command { std: "docker" "inspect" "21f666ae872aaa8906283839977c1152bb938406e2bea25a76fa280236d8a1f3", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "21f666ae872aaa8906283839977c1152bb938406e2bea25a76fa280236d8a1f3", kill_on_drop: false }`
[INFO] [stdout] 21f666ae872aaa8906283839977c1152bb938406e2bea25a76fa280236d8a1f3