[INFO] fetching crate ark-ec 0.3.0...
[INFO] testing ark-ec-0.3.0 against beta-2022-04-10 for beta-1.61-1
[INFO] extracting crate ark-ec 0.3.0 into /workspace/builds/worker-11/source
[INFO] validating manifest of crates.io crate ark-ec 0.3.0 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 ark-ec 0.3.0
[INFO] finished tweaking crates.io crate ark-ec 0.3.0
[INFO] tweaked toml for crates.io crate ark-ec 0.3.0 written to /workspace/builds/worker-11/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] [stderr]     Blocking waiting for file lock on package cache
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+beta-2022-04-10" "fetch" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] [stderr]     Blocking waiting for file lock on package cache
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-11/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-11/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:eaef2f80f755933c374d2ae5edccceec0c1312ceb8a4e0b6404e8ab76561e1e5" "/opt/rustwide/cargo-home/bin/cargo" "+beta-2022-04-10" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stderr] WARNING: Your kernel does not support swap limit capabilities or the cgroup is not mounted. Memory limited without swap.
[INFO] [stdout] 61625c89ae65be4c9d22671ddd85d362adaee025eea4a3bb590b55c85e60092e
[INFO] running `Command { std: "docker" "start" "-a" "61625c89ae65be4c9d22671ddd85d362adaee025eea4a3bb590b55c85e60092e", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "61625c89ae65be4c9d22671ddd85d362adaee025eea4a3bb590b55c85e60092e", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "61625c89ae65be4c9d22671ddd85d362adaee025eea4a3bb590b55c85e60092e", kill_on_drop: false }`
[INFO] [stdout] 61625c89ae65be4c9d22671ddd85d362adaee025eea4a3bb590b55c85e60092e
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-11/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-11/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:eaef2f80f755933c374d2ae5edccceec0c1312ceb8a4e0b6404e8ab76561e1e5" "/opt/rustwide/cargo-home/bin/cargo" "+beta-2022-04-10" "build" "--frozen" "--message-format=json", kill_on_drop: false }`
[INFO] [stderr] WARNING: Your kernel does not support swap limit capabilities or the cgroup is not mounted. Memory limited without swap.
[INFO] [stdout] 8b4843ee2b2b3ff89877a49b35fb588f5e57a41886961666f8ca3135a225cdc2
[INFO] running `Command { std: "docker" "start" "-a" "8b4843ee2b2b3ff89877a49b35fb588f5e57a41886961666f8ca3135a225cdc2", kill_on_drop: false }`
[INFO] [stderr]    Compiling ark-ec v0.3.0 (/opt/rustwide/workdir)
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 2.41s
[INFO] running `Command { std: "docker" "inspect" "8b4843ee2b2b3ff89877a49b35fb588f5e57a41886961666f8ca3135a225cdc2", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "8b4843ee2b2b3ff89877a49b35fb588f5e57a41886961666f8ca3135a225cdc2", kill_on_drop: false }`
[INFO] [stdout] 8b4843ee2b2b3ff89877a49b35fb588f5e57a41886961666f8ca3135a225cdc2
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-11/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-11/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:eaef2f80f755933c374d2ae5edccceec0c1312ceb8a4e0b6404e8ab76561e1e5" "/opt/rustwide/cargo-home/bin/cargo" "+beta-2022-04-10" "test" "--frozen" "--no-run" "--message-format=json", kill_on_drop: false }`
[INFO] [stderr] WARNING: Your kernel does not support swap limit capabilities or the cgroup is not mounted. Memory limited without swap.
[INFO] [stdout] e368d50bb8ad9987d895adc6791439e888dcf0631ea5909142293c9b892a0d91
[INFO] running `Command { std: "docker" "start" "-a" "e368d50bb8ad9987d895adc6791439e888dcf0631ea5909142293c9b892a0d91", kill_on_drop: false }`
[INFO] [stderr]     Blocking waiting for file lock on package cache
[INFO] [stderr]    Compiling ark-ec v0.3.0 (/opt/rustwide/workdir)
[INFO] [stderr]     Finished test [unoptimized + debuginfo] target(s) in 2.14s
[INFO] [stderr]   Executable unittests src/lib.rs (/opt/rustwide/target/debug/deps/ark_ec-dc178c9275d47d09)
[INFO] running `Command { std: "docker" "inspect" "e368d50bb8ad9987d895adc6791439e888dcf0631ea5909142293c9b892a0d91", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "e368d50bb8ad9987d895adc6791439e888dcf0631ea5909142293c9b892a0d91", kill_on_drop: false }`
[INFO] [stdout] e368d50bb8ad9987d895adc6791439e888dcf0631ea5909142293c9b892a0d91
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-11/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-11/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:eaef2f80f755933c374d2ae5edccceec0c1312ceb8a4e0b6404e8ab76561e1e5" "/opt/rustwide/cargo-home/bin/cargo" "+beta-2022-04-10" "test" "--frozen", kill_on_drop: false }`
[INFO] [stderr] WARNING: Your kernel does not support swap limit capabilities or the cgroup is not mounted. Memory limited without swap.
[INFO] [stdout] 61f187c65f6ce5ee5846cd87f0ee11a8db788cf7a87c7f6acbdbb1cef8d04fbc
[INFO] running `Command { std: "docker" "start" "-a" "61f187c65f6ce5ee5846cd87f0ee11a8db788cf7a87c7f6acbdbb1cef8d04fbc", kill_on_drop: false }`
[INFO] [stderr]     Finished test [unoptimized + debuginfo] target(s) in 0.07s
[INFO] [stdout] 
[INFO] [stderr]      Running unittests src/lib.rs (/opt/rustwide/target/debug/deps/ark_ec-dc178c9275d47d09)
[INFO] [stdout] running 0 tests
[INFO] [stderr]    Doc-tests ark-ec
[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] [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" "61f187c65f6ce5ee5846cd87f0ee11a8db788cf7a87c7f6acbdbb1cef8d04fbc", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "61f187c65f6ce5ee5846cd87f0ee11a8db788cf7a87c7f6acbdbb1cef8d04fbc", kill_on_drop: false }`
[INFO] [stdout] 61f187c65f6ce5ee5846cd87f0ee11a8db788cf7a87c7f6acbdbb1cef8d04fbc