[INFO] fetching crate ff-uint_derive 0.2.4...
[INFO] testing ff-uint_derive-0.2.4 against beta-2022-04-10 for beta-1.61-1
[INFO] extracting crate ff-uint_derive 0.2.4 into /workspace/builds/worker-20/source
[INFO] validating manifest of crates.io crate ff-uint_derive 0.2.4 on toolchain beta-2022-04-10
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+beta-2022-04-10" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }`
[INFO] started tweaking crates.io crate ff-uint_derive 0.2.4
[INFO] finished tweaking crates.io crate ff-uint_derive 0.2.4
[INFO] tweaked toml for crates.io crate ff-uint_derive 0.2.4 written to /workspace/builds/worker-20/source/Cargo.toml
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+beta-2022-04-10" "generate-lockfile" "--manifest-path" "Cargo.toml" "-Zno-index-update", kill_on_drop: false }`
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+beta-2022-04-10" "fetch" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-20/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-20/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:b0c94ce3c1162fcb8e57cac5b65ec2f72eabb1eebea4fcc35e269e823f681646" "/opt/rustwide/cargo-home/bin/cargo" "+beta-2022-04-10" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] ca56fb89d317643fbd7e23a1e0891acf0a022a2e1211789a8fb3e39d71407021
[INFO] running `Command { std: "docker" "start" "-a" "ca56fb89d317643fbd7e23a1e0891acf0a022a2e1211789a8fb3e39d71407021", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "ca56fb89d317643fbd7e23a1e0891acf0a022a2e1211789a8fb3e39d71407021", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "ca56fb89d317643fbd7e23a1e0891acf0a022a2e1211789a8fb3e39d71407021", kill_on_drop: false }`
[INFO] [stdout] ca56fb89d317643fbd7e23a1e0891acf0a022a2e1211789a8fb3e39d71407021
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-20/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-20/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=warn" "-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:b0c94ce3c1162fcb8e57cac5b65ec2f72eabb1eebea4fcc35e269e823f681646" "/opt/rustwide/cargo-home/bin/cargo" "+beta-2022-04-10" "build" "--frozen" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] cb418f80c8d1a19baeba31265f8761877fcad1e90d1ac6d34f1dca82d16af6fc
[INFO] running `Command { std: "docker" "start" "-a" "cb418f80c8d1a19baeba31265f8761877fcad1e90d1ac6d34f1dca82d16af6fc", kill_on_drop: false }`
[INFO] [stderr]    Compiling num-traits v0.2.14
[INFO] [stderr]    Compiling num-integer v0.1.44
[INFO] [stderr]    Compiling num-bigint v0.3.3
[INFO] [stderr]    Compiling toml v0.5.8
[INFO] [stderr]    Compiling syn v1.0.91
[INFO] [stderr]    Compiling proc-macro-crate v0.1.5
[INFO] [stderr]    Compiling ff-uint_derive v0.2.4 (/opt/rustwide/workdir)
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 8.25s
[INFO] running `Command { std: "docker" "inspect" "cb418f80c8d1a19baeba31265f8761877fcad1e90d1ac6d34f1dca82d16af6fc", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "cb418f80c8d1a19baeba31265f8761877fcad1e90d1ac6d34f1dca82d16af6fc", kill_on_drop: false }`
[INFO] [stdout] cb418f80c8d1a19baeba31265f8761877fcad1e90d1ac6d34f1dca82d16af6fc
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-20/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-20/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=warn" "-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:b0c94ce3c1162fcb8e57cac5b65ec2f72eabb1eebea4fcc35e269e823f681646" "/opt/rustwide/cargo-home/bin/cargo" "+beta-2022-04-10" "test" "--frozen" "--no-run" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] a6fb608dfa8381860defbb5b82c9be84fe98b5646a542ad29cb5276d15116863
[INFO] running `Command { std: "docker" "start" "-a" "a6fb608dfa8381860defbb5b82c9be84fe98b5646a542ad29cb5276d15116863", kill_on_drop: false }`
[INFO] [stderr]     Blocking waiting for file lock on package cache
[INFO] [stderr]    Compiling ff-uint_derive v0.2.4 (/opt/rustwide/workdir)
[INFO] [stderr]     Finished test [unoptimized + debuginfo] target(s) in 2.00s
[INFO] [stderr]   Executable unittests src/lib.rs (/opt/rustwide/target/debug/deps/ff_uint_derive-863a5969cff590a4)
[INFO] running `Command { std: "docker" "inspect" "a6fb608dfa8381860defbb5b82c9be84fe98b5646a542ad29cb5276d15116863", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "a6fb608dfa8381860defbb5b82c9be84fe98b5646a542ad29cb5276d15116863", kill_on_drop: false }`
[INFO] [stdout] a6fb608dfa8381860defbb5b82c9be84fe98b5646a542ad29cb5276d15116863
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-20/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-20/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=warn" "-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:b0c94ce3c1162fcb8e57cac5b65ec2f72eabb1eebea4fcc35e269e823f681646" "/opt/rustwide/cargo-home/bin/cargo" "+beta-2022-04-10" "test" "--frozen", kill_on_drop: false }`
[INFO] [stdout] af31fa9a72f47670d3e071209e3c85be6562ed24a40ca9ea8a4b1a88d6b3fe48
[INFO] running `Command { std: "docker" "start" "-a" "af31fa9a72f47670d3e071209e3c85be6562ed24a40ca9ea8a4b1a88d6b3fe48", kill_on_drop: false }`
[INFO] [stderr]     Finished test [unoptimized + debuginfo] target(s) in 0.02s
[INFO] [stdout] 
[INFO] [stderr]      Running unittests src/lib.rs (/opt/rustwide/target/debug/deps/ff_uint_derive-863a5969cff590a4)
[INFO] [stdout] running 1 test
[INFO] [stdout] test test_exp ... ok
[INFO] [stderr]    Doc-tests ff-uint_derive
[INFO] [stdout] 
[INFO] [stdout] test result: ok. 1 passed; 0 failed; 0 ignored; 0 measured; 0 filtered out; finished in 0.01s
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] running 0 tests
[INFO] [stdout] 
[INFO] [stdout] test result: ok. 0 passed; 0 failed; 0 ignored; 0 measured; 0 filtered out; finished in 0.00s
[INFO] [stdout] 
[INFO] running `Command { std: "docker" "inspect" "af31fa9a72f47670d3e071209e3c85be6562ed24a40ca9ea8a4b1a88d6b3fe48", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "af31fa9a72f47670d3e071209e3c85be6562ed24a40ca9ea8a4b1a88d6b3fe48", kill_on_drop: false }`
[INFO] [stdout] af31fa9a72f47670d3e071209e3c85be6562ed24a40ca9ea8a4b1a88d6b3fe48