[INFO] cloning repository https://github.com/berzanorg/lambdaworks-stuff
[INFO] running `Command { std: "git" "-c" "credential.helper=" "-c" "credential.helper=/workspace/cargo-home/bin/git-credential-null" "clone" "--bare" "https://github.com/berzanorg/lambdaworks-stuff" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fberzanorg%2Flambdaworks-stuff", kill_on_drop: false }`
[INFO] [stderr] Cloning into bare repository '/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fberzanorg%2Flambdaworks-stuff'...
[INFO] running `Command { std: "git" "rev-parse" "HEAD", kill_on_drop: false }`
[INFO] [stdout] c21e7d91f1fa0051aa976ad0cbd3280e91995dce
[INFO] checking berzanorg/lambdaworks-stuff against try#c0a9760914bada211f4924ee16d41ae1a366d2ba for pr-148545
[INFO] running `Command { std: "git" "clone" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fberzanorg%2Flambdaworks-stuff" "/workspace/builds/worker-0-tc2/source", kill_on_drop: false }`
[INFO] [stderr] Cloning into '/workspace/builds/worker-0-tc2/source'...
[INFO] [stderr] done.
[INFO] started tweaking git repo https://github.com/berzanorg/lambdaworks-stuff
[INFO] finished tweaking git repo https://github.com/berzanorg/lambdaworks-stuff
[INFO] tweaked toml for git repo https://github.com/berzanorg/lambdaworks-stuff written to /workspace/builds/worker-0-tc2/source/Cargo.toml
[INFO] validating manifest of git repo https://github.com/berzanorg/lambdaworks-stuff on toolchain c0a9760914bada211f4924ee16d41ae1a366d2ba
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+c0a9760914bada211f4924ee16d41ae1a366d2ba" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }`
[INFO] crate git repo https://github.com/berzanorg/lambdaworks-stuff already has a lockfile, it will not be regenerated
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+c0a9760914bada211f4924ee16d41ae1a366d2ba" "fetch" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] [stderr]     Blocking waiting for file lock on package cache
[INFO] [stderr]     Updating crates.io index
[INFO] [stderr]     Blocking waiting for file lock on package cache
[ERROR] error running command: no output for 300 seconds
[INFO] checking berzanorg/lambdaworks-stuff against try#c0a9760914bada211f4924ee16d41ae1a366d2ba for pr-148545
[INFO] running `Command { std: "git" "clone" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fberzanorg%2Flambdaworks-stuff" "/workspace/builds/worker-0-tc2/source", kill_on_drop: false }`
[INFO] [stderr] Cloning into '/workspace/builds/worker-0-tc2/source'...
[INFO] [stderr] done.
[INFO] started tweaking git repo https://github.com/berzanorg/lambdaworks-stuff
[INFO] finished tweaking git repo https://github.com/berzanorg/lambdaworks-stuff
[INFO] tweaked toml for git repo https://github.com/berzanorg/lambdaworks-stuff written to /workspace/builds/worker-0-tc2/source/Cargo.toml
[INFO] validating manifest of git repo https://github.com/berzanorg/lambdaworks-stuff on toolchain c0a9760914bada211f4924ee16d41ae1a366d2ba
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+c0a9760914bada211f4924ee16d41ae1a366d2ba" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }`
[INFO] crate git repo https://github.com/berzanorg/lambdaworks-stuff already has a lockfile, it will not be regenerated
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+c0a9760914bada211f4924ee16d41ae1a366d2ba" "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 lambdaworks-math v0.5.0
[INFO] [stderr]   Downloaded rayon v1.9.0
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-0-tc2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-0-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@sha256:845e597a41426bbf2703be69acdb67d10b6de511142d05cba7bbe119c898b2c7" "/opt/rustwide/cargo-home/bin/cargo" "+c0a9760914bada211f4924ee16d41ae1a366d2ba" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] 08faa6ae0c7a97b6a2171d1fbce9bce3fc9c4347a82d3b6d4f0dd8d83597f1b5
[INFO] running `Command { std: "docker" "start" "-a" "08faa6ae0c7a97b6a2171d1fbce9bce3fc9c4347a82d3b6d4f0dd8d83597f1b5", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "08faa6ae0c7a97b6a2171d1fbce9bce3fc9c4347a82d3b6d4f0dd8d83597f1b5", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "08faa6ae0c7a97b6a2171d1fbce9bce3fc9c4347a82d3b6d4f0dd8d83597f1b5", kill_on_drop: false }`
[INFO] [stdout] 08faa6ae0c7a97b6a2171d1fbce9bce3fc9c4347a82d3b6d4f0dd8d83597f1b5
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-0-tc2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-0-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" "-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@sha256:845e597a41426bbf2703be69acdb67d10b6de511142d05cba7bbe119c898b2c7" "/opt/rustwide/cargo-home/bin/cargo" "+c0a9760914bada211f4924ee16d41ae1a366d2ba" "check" "--frozen" "--all" "--all-targets" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] b249686fa227323df8abb20f105007115d67618d533e83f7cb3312ed3ccd0bc0
[INFO] running `Command { std: "docker" "start" "-a" "b249686fa227323df8abb20f105007115d67618d533e83f7cb3312ed3ccd0bc0", kill_on_drop: false }`
[INFO] [stderr]    Compiling crossbeam-utils v0.8.19
[INFO] [stderr]     Checking either v1.10.0
[INFO] [stderr]     Checking crossbeam-epoch v0.9.18
[INFO] [stderr]     Checking crossbeam-deque v0.8.5
[INFO] [stderr]     Checking rayon-core v1.12.1
[INFO] [stderr]     Checking rayon v1.9.0
[INFO] [stderr]     Checking lambdaworks-math v0.5.0
[INFO] [stderr]     Checking lambdaworks-stuff v0.1.0 (/opt/rustwide/workdir)
[INFO] [stdout] warning: unused imports: `curve::BLS12381Curve`, `cyclic_group::IsGroup`, `field::traits::IsPrimeField`, `field_extension::BLS12381PrimeField`, and `traits::IsEllipticCurve`
[INFO] [stdout]  --> src/bls12_381.rs:2:5
[INFO] [stdout]   |
[INFO] [stdout] 2 |     cyclic_group::IsGroup,
[INFO] [stdout]   |     ^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout] ...
[INFO] [stdout] 5 |             curve::BLS12381Curve, field_extension::BLS12381PrimeField,
[INFO] [stdout]   |             ^^^^^^^^^^^^^^^^^^^^  ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout] 6 |         },
[INFO] [stdout] 7 |         traits::IsEllipticCurve,
[INFO] [stdout]   |         ^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout] 8 |     },
[INFO] [stdout] 9 |     field::traits::IsPrimeField,
[INFO] [stdout]   |     ^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout]   |
[INFO] [stdout]   = note: `#[warn(unused_imports)]` (part of `#[warn(unused)]`) on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused import: `cyclic_group::IsGroup`
[INFO] [stdout]  --> src/bls12_381.rs:2:5
[INFO] [stdout]   |
[INFO] [stdout] 2 |     cyclic_group::IsGroup,
[INFO] [stdout]   |     ^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout]   |
[INFO] [stdout]   = note: `#[warn(unused_imports)]` (part of `#[warn(unused)]`) on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `generator`
[INFO] [stdout]   --> src/bls12_381.rs:16:9
[INFO] [stdout]    |
[INFO] [stdout] 16 |     let generator = BLS12381Curve::generator();
[INFO] [stdout]    |         ^^^^^^^^^ help: if this is intentional, prefix it with an underscore: `_generator`
[INFO] [stdout]    |
[INFO] [stdout]    = note: `#[warn(unused_variables)]` (part of `#[warn(unused)]`) on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr]     Finished `dev` profile [unoptimized + debuginfo] target(s) in 2.62s
[INFO] running `Command { std: "docker" "inspect" "b249686fa227323df8abb20f105007115d67618d533e83f7cb3312ed3ccd0bc0", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "b249686fa227323df8abb20f105007115d67618d533e83f7cb3312ed3ccd0bc0", kill_on_drop: false }`
[INFO] [stdout] b249686fa227323df8abb20f105007115d67618d533e83f7cb3312ed3ccd0bc0