[INFO] fetching crate libzeropool-rs 0.5.0...
[INFO] checking libzeropool-rs-0.5.0 against try#df0acfe6d8f079d1fdd8e6b7447569d81b00f126 for pr-100555
[INFO] extracting crate libzeropool-rs 0.5.0 into /workspace/builds/worker-2/source
[INFO] validating manifest of crates.io crate libzeropool-rs 0.5.0 on toolchain df0acfe6d8f079d1fdd8e6b7447569d81b00f126
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+df0acfe6d8f079d1fdd8e6b7447569d81b00f126" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }`
[INFO] started tweaking crates.io crate libzeropool-rs 0.5.0
[INFO] finished tweaking crates.io crate libzeropool-rs 0.5.0
[INFO] tweaked toml for crates.io crate libzeropool-rs 0.5.0 written to /workspace/builds/worker-2/source/Cargo.toml
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+df0acfe6d8f079d1fdd8e6b7447569d81b00f126" "generate-lockfile" "--manifest-path" "Cargo.toml" "-Zno-index-update", kill_on_drop: false }`
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+df0acfe6d8f079d1fdd8e6b7447569d81b00f126" "fetch" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-2/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@sha256:824c28ce115f6b999260af6986f3384c158e782489540e41c0b698ca1d9fd927" "/opt/rustwide/cargo-home/bin/cargo" "+df0acfe6d8f079d1fdd8e6b7447569d81b00f126" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] 1ec39a796088644269b502e73a9a36abb1abb892b2ca18d775a659befd6f65be
[INFO] running `Command { std: "docker" "start" "-a" "1ec39a796088644269b502e73a9a36abb1abb892b2ca18d775a659befd6f65be", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "1ec39a796088644269b502e73a9a36abb1abb892b2ca18d775a659befd6f65be", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "1ec39a796088644269b502e73a9a36abb1abb892b2ca18d775a659befd6f65be", kill_on_drop: false }`
[INFO] [stdout] 1ec39a796088644269b502e73a9a36abb1abb892b2ca18d775a659befd6f65be
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-2/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" "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@sha256:824c28ce115f6b999260af6986f3384c158e782489540e41c0b698ca1d9fd927" "/opt/rustwide/cargo-home/bin/cargo" "+df0acfe6d8f079d1fdd8e6b7447569d81b00f126" "check" "--frozen" "--all" "--all-targets" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] 436b6f0be29815f7d0d894fdc0d562650c3dae3bf90070860ff86fa7cf27a1d0
[INFO] running `Command { std: "docker" "start" "-a" "436b6f0be29815f7d0d894fdc0d562650c3dae3bf90070860ff86fa7cf27a1d0", kill_on_drop: false }`
[INFO] [stderr]    Compiling autocfg v1.1.0
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[INFO] [stderr]     Checking fawkes-crypto v4.4.0
[INFO] [stderr]     Checking libzeropool v0.5.6
[INFO] [stderr]     Checking libzeropool-rs v0.5.0 (/opt/rustwide/workdir)
[INFO] [stdout] warning: unused import: `black_box`
[INFO] [stdout]  --> benches/prove.rs:1:17
[INFO] [stdout]   |
[INFO] [stdout] 1 | use criterion::{black_box, criterion_group, criterion_main, Criterion};
[INFO] [stdout]   |                 ^^^^^^^^^
[INFO] [stdout]   |
[INFO] [stdout]   = note: `#[warn(unused_imports)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: 1 warning emitted
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 43.38s
[INFO] running `Command { std: "docker" "inspect" "436b6f0be29815f7d0d894fdc0d562650c3dae3bf90070860ff86fa7cf27a1d0", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "436b6f0be29815f7d0d894fdc0d562650c3dae3bf90070860ff86fa7cf27a1d0", kill_on_drop: false }`
[INFO] [stdout] 436b6f0be29815f7d0d894fdc0d562650c3dae3bf90070860ff86fa7cf27a1d0