[INFO] fetching crate ring-algorithm 0.2.2...
[INFO] checking ring-algorithm-0.2.2 against try#9b49d8c6c904f63eb486fe51b14bbe0aa2feda4c for pr-79472
[INFO] extracting crate ring-algorithm 0.2.2 into /workspace/builds/worker-4/source
[INFO] validating manifest of crates.io crate ring-algorithm 0.2.2 on toolchain 9b49d8c6c904f63eb486fe51b14bbe0aa2feda4c
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+9b49d8c6c904f63eb486fe51b14bbe0aa2feda4c" "read-manifest" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] started tweaking crates.io crate ring-algorithm 0.2.2
[INFO] finished tweaking crates.io crate ring-algorithm 0.2.2
[INFO] tweaked toml for crates.io crate ring-algorithm 0.2.2 written to /workspace/builds/worker-4/source/Cargo.toml
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+9b49d8c6c904f63eb486fe51b14bbe0aa2feda4c" "generate-lockfile" "--manifest-path" "Cargo.toml" "-Zno-index-update", kill_on_drop: false }`
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+9b49d8c6c904f63eb486fe51b14bbe0aa2feda4c" "fetch" "--locked" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] [stderr]  Downloading crates ...
[INFO] [stderr]   Downloaded ring-algorithm v0.2.2
[INFO] [stderr]   Downloaded polynomial-ring v0.1.1
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-4/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-4/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" "rustops/crates-build-env@sha256:6eabd152ff4036248d66efda456a36cb33d24b7291b33f25f75140726c88da35" "/opt/rustwide/cargo-home/bin/cargo" "+9b49d8c6c904f63eb486fe51b14bbe0aa2feda4c" "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] 02d7c4e94486d92da05850518d62459b752e0db43b3774c5336958a6ed51f978
[INFO] running `Command { std: "docker" "start" "-a" "02d7c4e94486d92da05850518d62459b752e0db43b3774c5336958a6ed51f978", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "02d7c4e94486d92da05850518d62459b752e0db43b3774c5336958a6ed51f978", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "02d7c4e94486d92da05850518d62459b752e0db43b3774c5336958a6ed51f978", kill_on_drop: false }`
[INFO] [stdout] 02d7c4e94486d92da05850518d62459b752e0db43b3774c5336958a6ed51f978
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-4/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-4/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" "CARGO_HOME=/opt/rustwide/cargo-home" "-e" "RUSTUP_HOME=/opt/rustwide/rustup-home" "-w" "/opt/rustwide/workdir" "-m" "1610612736" "--user" "0:0" "--network" "none" "rustops/crates-build-env@sha256:6eabd152ff4036248d66efda456a36cb33d24b7291b33f25f75140726c88da35" "/opt/rustwide/cargo-home/bin/cargo" "+9b49d8c6c904f63eb486fe51b14bbe0aa2feda4c" "check" "--frozen" "--all" "--all-targets" "--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] 20a0aea1fd58c73d350e803f8cc44790ca8475748f0fe87afa12d381bd2d6251
[INFO] running `Command { std: "docker" "start" "-a" "20a0aea1fd58c73d350e803f8cc44790ca8475748f0fe87afa12d381bd2d6251", kill_on_drop: false }`
[INFO] [stderr]     Checking take_mut v0.2.2
[INFO] [stderr]    Compiling num-traits v0.2.14
[INFO] [stderr]    Compiling num-integer v0.1.44
[INFO] [stderr]    Compiling num-bigint v0.3.1
[INFO] [stderr]    Compiling num-iter v0.1.42
[INFO] [stderr]    Compiling num-rational v0.3.2
[INFO] [stderr]     Checking num-complex v0.3.1
[INFO] [stderr]     Checking ring-algorithm v0.2.2
[INFO] [stderr]     Checking ring-algorithm v0.2.2 (/opt/rustwide/workdir)
[INFO] [stderr]     Checking polynomial-ring v0.1.1
[INFO] [stderr]     Checking num v0.3.1
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 11.00s
[INFO] running `Command { std: "docker" "inspect" "20a0aea1fd58c73d350e803f8cc44790ca8475748f0fe87afa12d381bd2d6251", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "20a0aea1fd58c73d350e803f8cc44790ca8475748f0fe87afa12d381bd2d6251", kill_on_drop: false }`
[INFO] [stdout] 20a0aea1fd58c73d350e803f8cc44790ca8475748f0fe87afa12d381bd2d6251