[INFO] fetching crate idx-rs 0.10.0...
[INFO] testing idx-rs-0.10.0 against nightly-2024-10-28+rustflags=-Zrandomize-layout for randomize-layout
[INFO] extracting crate idx-rs 0.10.0 into /workspace/builds/worker-6-tc2/source
[INFO] validating manifest of crates.io crate idx-rs 0.10.0 on toolchain nightly-2024-10-28
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+nightly-2024-10-28" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }`
[INFO] started tweaking crates.io crate idx-rs 0.10.0
[INFO] finished tweaking crates.io crate idx-rs 0.10.0
[INFO] tweaked toml for crates.io crate idx-rs 0.10.0 written to /workspace/builds/worker-6-tc2/source/Cargo.toml
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+nightly-2024-10-28" "generate-lockfile" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] [stderr]     Updating crates.io index
[INFO] [stderr]      Locking 97 packages to latest compatible versions
[INFO] [stderr]       Adding criterion v0.3.6 (available: v0.5.1)
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+nightly-2024-10-28" "fetch" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-6-tc2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-6-tc2/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@sha256:4a844ea9eb2546a2d2c7022eacef16ef2e8229c7fbb2c7d4d55a9ceca922f72d" "/opt/rustwide/cargo-home/bin/cargo" "+nightly-2024-10-28" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] cc5c12abf482555130df3ea8bdf80d2b93f67ec58fa6ff543bd6f49054da551d
[INFO] running `Command { std: "docker" "start" "-a" "cc5c12abf482555130df3ea8bdf80d2b93f67ec58fa6ff543bd6f49054da551d", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "cc5c12abf482555130df3ea8bdf80d2b93f67ec58fa6ff543bd6f49054da551d", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "cc5c12abf482555130df3ea8bdf80d2b93f67ec58fa6ff543bd6f49054da551d", kill_on_drop: false }`
[INFO] [stdout] cc5c12abf482555130df3ea8bdf80d2b93f67ec58fa6ff543bd6f49054da551d
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-6-tc2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-6-tc2/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 -Zrandomize-layout" "-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@sha256:4a844ea9eb2546a2d2c7022eacef16ef2e8229c7fbb2c7d4d55a9ceca922f72d" "/opt/rustwide/cargo-home/bin/cargo" "+nightly-2024-10-28" "build" "--frozen" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] 037a4248fe9816dbe9016dfa840b6dabcac475690e714eb47717f1e76786b2fc
[INFO] running `Command { std: "docker" "start" "-a" "037a4248fe9816dbe9016dfa840b6dabcac475690e714eb47717f1e76786b2fc", kill_on_drop: false }`
[INFO] [stderr]    Compiling pkg-config v0.3.31
[INFO] [stderr]    Compiling byteorder v1.5.0
[INFO] [stderr]    Compiling adler32 v1.2.0
[INFO] [stderr]    Compiling crc32fast v1.4.2
[INFO] [stderr]    Compiling inflate v0.4.5
[INFO] [stderr]    Compiling databuffer v1.1.4
[INFO] [stderr]    Compiling bzip2-sys v0.1.11+1.0.8
[INFO] [stderr]    Compiling bzip2 v0.4.4
[INFO] [stderr]    Compiling idx-rs v0.10.0 (/opt/rustwide/workdir)
[INFO] [stderr]     Finished `dev` profile [unoptimized + debuginfo] target(s) in 1.42s
[INFO] running `Command { std: "docker" "inspect" "037a4248fe9816dbe9016dfa840b6dabcac475690e714eb47717f1e76786b2fc", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "037a4248fe9816dbe9016dfa840b6dabcac475690e714eb47717f1e76786b2fc", kill_on_drop: false }`
[INFO] [stdout] 037a4248fe9816dbe9016dfa840b6dabcac475690e714eb47717f1e76786b2fc
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-6-tc2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-6-tc2/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 -Zrandomize-layout" "-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@sha256:4a844ea9eb2546a2d2c7022eacef16ef2e8229c7fbb2c7d4d55a9ceca922f72d" "/opt/rustwide/cargo-home/bin/cargo" "+nightly-2024-10-28" "test" "--frozen" "--no-run" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] 2c76c446f52c6836f3b5283a55005ee71974377c69fa01fbd96a231d97dac0e7
[INFO] running `Command { std: "docker" "start" "-a" "2c76c446f52c6836f3b5283a55005ee71974377c69fa01fbd96a231d97dac0e7", kill_on_drop: false }`
[INFO] [stderr]    Compiling serde v1.0.214
[INFO] [stderr]    Compiling crossbeam-utils v0.8.20
[INFO] [stderr]    Compiling num-traits v0.2.19
[INFO] [stderr]    Compiling rayon-core v1.12.1
[INFO] [stderr]    Compiling serde_json v1.0.132
[INFO] [stderr]    Compiling either v1.13.0
[INFO] [stderr]    Compiling unicode-width v0.1.14
[INFO] [stderr]    Compiling plotters-backend v0.3.7
[INFO] [stderr]    Compiling csv-core v0.1.11
[INFO] [stderr]    Compiling regex-automata v0.4.8
[INFO] [stderr]    Compiling half v1.8.3
[INFO] [stderr]    Compiling bitflags v1.3.2
[INFO] [stderr]    Compiling cast v0.3.0
[INFO] [stderr]    Compiling syn v2.0.86
[INFO] [stderr]    Compiling atty v0.2.14
[INFO] [stderr]    Compiling oorandom v11.1.4
[INFO] [stderr]    Compiling itertools v0.10.5
[INFO] [stderr]    Compiling plotters-svg v0.3.7
[INFO] [stderr]    Compiling textwrap v0.11.0
[INFO] [stderr]    Compiling clap v2.34.0
[INFO] [stderr]    Compiling crossbeam-epoch v0.9.18
[INFO] [stderr]    Compiling crossbeam-deque v0.8.5
[INFO] [stderr]    Compiling plotters v0.3.7
[INFO] [stderr]    Compiling rayon v1.10.0
[INFO] [stderr]    Compiling criterion-plot v0.4.5
[INFO] [stderr]    Compiling regex v1.11.1
[INFO] [stderr]    Compiling csv v1.3.0
[INFO] [stderr]    Compiling serde_cbor v0.11.2
[INFO] [stderr]    Compiling zerocopy-derive v0.7.35
[INFO] [stderr]    Compiling serde_derive v1.0.214
[INFO] [stderr]    Compiling zerocopy v0.7.35
[INFO] [stderr]    Compiling tinytemplate v1.2.1
[INFO] [stderr]    Compiling ppv-lite86 v0.2.20
[INFO] [stderr]    Compiling rand_chacha v0.3.1
[INFO] [stderr]    Compiling rand v0.8.5
[INFO] [stderr]    Compiling criterion v0.3.6
[INFO] [stderr]    Compiling idx-rs v0.10.0 (/opt/rustwide/workdir)
[INFO] [stdout] error: non-binding let on a synchronization lock
[INFO] [stdout]   --> tests/lib.rs:14:9
[INFO] [stdout]    |
[INFO] [stdout] 14 |     let _ = CACHE.lock();
[INFO] [stdout]    |         ^ this lock is not assigned to a binding and is immediately dropped
[INFO] [stdout]    |
[INFO] [stdout]    = note: `#[deny(let_underscore_lock)]` on by default
[INFO] [stdout] help: consider binding to an unused variable to avoid immediately dropping the value
[INFO] [stdout]    |
[INFO] [stdout] 14 |     let _unused = CACHE.lock();
[INFO] [stdout]    |         ~~~~~~~
[INFO] [stdout] help: consider immediately dropping the value
[INFO] [stdout]    |
[INFO] [stdout] 14 |     drop(CACHE.lock());
[INFO] [stdout]    |     ~~~~~            +
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr] error: could not compile `idx-rs` (test "lib") due to 1 previous error
[INFO] [stderr] warning: build failed, waiting for other jobs to finish...
[INFO] running `Command { std: "docker" "inspect" "2c76c446f52c6836f3b5283a55005ee71974377c69fa01fbd96a231d97dac0e7", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "2c76c446f52c6836f3b5283a55005ee71974377c69fa01fbd96a231d97dac0e7", kill_on_drop: false }`
[INFO] [stdout] 2c76c446f52c6836f3b5283a55005ee71974377c69fa01fbd96a231d97dac0e7
