[INFO] fetching crate kismet-cache 0.2.2...
[INFO] building kismet-cache-0.2.2 against master#222c5724ecc922fe67815f428c19f82c129d9386 for pr-97334
[INFO] extracting crate kismet-cache 0.2.2 into /workspace/builds/worker-31/source
[INFO] validating manifest of crates.io crate kismet-cache 0.2.2 on toolchain 222c5724ecc922fe67815f428c19f82c129d9386
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+222c5724ecc922fe67815f428c19f82c129d9386" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }`
[INFO] started tweaking crates.io crate kismet-cache 0.2.2
[INFO] finished tweaking crates.io crate kismet-cache 0.2.2
[INFO] tweaked toml for crates.io crate kismet-cache 0.2.2 written to /workspace/builds/worker-31/source/Cargo.toml
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+222c5724ecc922fe67815f428c19f82c129d9386" "generate-lockfile" "--manifest-path" "Cargo.toml" "-Zno-index-update", kill_on_drop: false }`
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+222c5724ecc922fe67815f428c19f82c129d9386" "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] [stderr]  Downloading crates ...
[INFO] [stderr]   Downloaded test_dir v0.1.0
[INFO] [stderr]   Downloaded extendhash v1.0.9
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-31/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-31/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:ac0d0aa6ec8ed129e241004a6179c99fa0d2616f50ba759c5b60bd26d0fafa02" "/opt/rustwide/cargo-home/bin/cargo" "+222c5724ecc922fe67815f428c19f82c129d9386" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] 07d3cfe0fceeacb800c896151a41d896f44057dbd4e074d3e099dc08f70b9a3f
[INFO] running `Command { std: "docker" "start" "-a" "07d3cfe0fceeacb800c896151a41d896f44057dbd4e074d3e099dc08f70b9a3f", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "07d3cfe0fceeacb800c896151a41d896f44057dbd4e074d3e099dc08f70b9a3f", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "07d3cfe0fceeacb800c896151a41d896f44057dbd4e074d3e099dc08f70b9a3f", kill_on_drop: false }`
[INFO] [stdout] 07d3cfe0fceeacb800c896151a41d896f44057dbd4e074d3e099dc08f70b9a3f
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-31/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-31/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:ac0d0aa6ec8ed129e241004a6179c99fa0d2616f50ba759c5b60bd26d0fafa02" "/opt/rustwide/cargo-home/bin/cargo" "+222c5724ecc922fe67815f428c19f82c129d9386" "build" "--frozen" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] e9664ac1faaf80bb7aeedc9df51090698627cd0fd95b6a1b449b1b782866f13e
[INFO] running `Command { std: "docker" "start" "-a" "e9664ac1faaf80bb7aeedc9df51090698627cd0fd95b6a1b449b1b782866f13e", kill_on_drop: false }`
[INFO] [stderr]    Compiling libc v0.2.126
[INFO] [stderr]    Compiling cfg-if v1.0.0
[INFO] [stderr]    Compiling proc-macro2 v1.0.39
[INFO] [stderr]    Compiling unicode-ident v1.0.0
[INFO] [stderr]    Compiling syn v1.0.96
[INFO] [stderr]    Compiling ppv-lite86 v0.2.16
[INFO] [stderr]    Compiling fastrand v1.7.0
[INFO] [stderr]    Compiling remove_dir_all v0.5.3
[INFO] [stderr]    Compiling extendhash v1.0.9
[INFO] [stderr]    Compiling quote v1.0.18
[INFO] [stderr]    Compiling getrandom v0.2.6
[INFO] [stderr]    Compiling filetime v0.2.16
[INFO] [stderr]    Compiling tempfile v3.3.0
[INFO] [stderr]    Compiling rand_core v0.6.3
[INFO] [stderr]    Compiling rand_chacha v0.3.1
[INFO] [stderr]    Compiling rand v0.8.5
[INFO] [stderr]    Compiling derivative v2.2.0
[INFO] [stderr]    Compiling kismet-cache v0.2.2 (/opt/rustwide/workdir)
[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 15.12s
[INFO] running `Command { std: "docker" "inspect" "e9664ac1faaf80bb7aeedc9df51090698627cd0fd95b6a1b449b1b782866f13e", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "e9664ac1faaf80bb7aeedc9df51090698627cd0fd95b6a1b449b1b782866f13e", kill_on_drop: false }`
[INFO] [stdout] e9664ac1faaf80bb7aeedc9df51090698627cd0fd95b6a1b449b1b782866f13e
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-31/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-31/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:ac0d0aa6ec8ed129e241004a6179c99fa0d2616f50ba759c5b60bd26d0fafa02" "/opt/rustwide/cargo-home/bin/cargo" "+222c5724ecc922fe67815f428c19f82c129d9386" "test" "--frozen" "--no-run" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] c168435deef67740af4913347d15ee3e13dbd9308b090aed98d64e2ef5a70c0b
[INFO] running `Command { std: "docker" "start" "-a" "c168435deef67740af4913347d15ee3e13dbd9308b090aed98d64e2ef5a70c0b", kill_on_drop: false }`
[INFO] [stderr]    Compiling getrandom v0.1.16
[INFO] [stderr]    Compiling proc-macro2 v0.4.30
[INFO] [stderr]    Compiling autocfg v1.1.0
[INFO] [stderr]    Compiling unicode-xid v0.1.0
[INFO] [stderr]    Compiling syn v0.15.44
[INFO] [stderr]    Compiling quick-error v1.2.3
[INFO] [stderr]    Compiling bit-vec v0.6.3
[INFO] [stderr]    Compiling fnv v1.0.7
[INFO] [stderr]    Compiling quick-error v2.0.1
[INFO] [stderr]    Compiling bitflags v1.3.2
[INFO] [stderr]    Compiling regex-syntax v0.6.26
[INFO] [stderr]    Compiling byteorder v1.4.3
[INFO] [stderr]    Compiling lazy_static v1.4.0
[INFO] [stderr]    Compiling wait-timeout v0.2.0
[INFO] [stderr]    Compiling rand_xorshift v0.3.0
[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]    Compiling rusty-fork v0.3.0
[INFO] [stderr]    Compiling bit-set v0.5.2
[INFO] [stderr]    Compiling num-traits v0.2.15
[INFO] [stderr]    Compiling rand_core v0.5.1
[INFO] [stderr]    Compiling rand_chacha v0.2.2
[INFO] [stderr]    Compiling quote v0.6.13
[INFO] [stderr]    Compiling rand v0.7.3
[INFO] [stderr]    Compiling test_dir v0.1.0
[INFO] [stderr]    Compiling proptest v1.0.0
[INFO] [stderr]    Compiling proptest-derive v0.3.0
[INFO] [stderr]    Compiling kismet-cache v0.2.2 (/opt/rustwide/workdir)
[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 test [unoptimized + debuginfo] target(s) in 14.73s
[INFO] [stderr]   Executable unittests src/lib.rs (/opt/rustwide/target/debug/deps/kismet_cache-1bbf330f6decd2d7)
[INFO] running `Command { std: "docker" "inspect" "c168435deef67740af4913347d15ee3e13dbd9308b090aed98d64e2ef5a70c0b", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "c168435deef67740af4913347d15ee3e13dbd9308b090aed98d64e2ef5a70c0b", kill_on_drop: false }`
[INFO] [stdout] c168435deef67740af4913347d15ee3e13dbd9308b090aed98d64e2ef5a70c0b