[INFO] fetching crate ring-algorithm 0.3.0...
[INFO] checking ring-algorithm-0.3.0 against try#6f8a6450478f69b8510c8976ab6c2a70b3b0e47c for pr-84920
[INFO] extracting crate ring-algorithm 0.3.0 into /workspace/builds/worker-14/source
[INFO] validating manifest of crates.io crate ring-algorithm 0.3.0 on toolchain 6f8a6450478f69b8510c8976ab6c2a70b3b0e47c
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+6f8a6450478f69b8510c8976ab6c2a70b3b0e47c" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }`
[INFO] started tweaking crates.io crate ring-algorithm 0.3.0
[INFO] finished tweaking crates.io crate ring-algorithm 0.3.0
[INFO] tweaked toml for crates.io crate ring-algorithm 0.3.0 written to /workspace/builds/worker-14/source/Cargo.toml
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+6f8a6450478f69b8510c8976ab6c2a70b3b0e47c" "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" "+6f8a6450478f69b8510c8976ab6c2a70b3b0e47c" "fetch" "--locked" "--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 take_mut v0.2.2
[INFO] [stderr]   Downloaded ring-algorithm v0.2.3
[INFO] [stderr]   Downloaded polynomial-ring v0.2.1
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-14/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-14/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@sha256:20528e8c29e4536546f0102ce88568b16ea7538393a33fcca951030f7af10457" "/opt/rustwide/cargo-home/bin/cargo" "+6f8a6450478f69b8510c8976ab6c2a70b3b0e47c" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] 06220e5307b157e9f7d004bf64123acadea1f65089c66499a012d91885afa9c5
[INFO] [stderr] WARNING: Your kernel does not support swap limit capabilities or the cgroup is not mounted. Memory limited without swap.
[INFO] running `Command { std: "docker" "start" "-a" "06220e5307b157e9f7d004bf64123acadea1f65089c66499a012d91885afa9c5", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "06220e5307b157e9f7d004bf64123acadea1f65089c66499a012d91885afa9c5", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "06220e5307b157e9f7d004bf64123acadea1f65089c66499a012d91885afa9c5", kill_on_drop: false }`
[INFO] [stdout] 06220e5307b157e9f7d004bf64123acadea1f65089c66499a012d91885afa9c5
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-14/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-14/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" "ghcr.io/rust-lang/crates-build-env/linux@sha256:20528e8c29e4536546f0102ce88568b16ea7538393a33fcca951030f7af10457" "/opt/rustwide/cargo-home/bin/cargo" "+6f8a6450478f69b8510c8976ab6c2a70b3b0e47c" "check" "--frozen" "--all" "--all-targets" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] 4266e9a99a61d42066c0178cb85064d8d192bad9f3ca95301b6fe8d0150f30a6
[INFO] [stderr] WARNING: Your kernel does not support swap limit capabilities or the cgroup is not mounted. Memory limited without swap.
[INFO] running `Command { std: "docker" "start" "-a" "4266e9a99a61d42066c0178cb85064d8d192bad9f3ca95301b6fe8d0150f30a6", kill_on_drop: false }`
[INFO] [stderr]     Blocking waiting for file lock on package cache
[INFO] [stderr]    Compiling autocfg v1.0.1
[INFO] [stderr]    Compiling num-traits v0.2.14
[INFO] [stderr]    Compiling num-integer v0.1.44
[INFO] [stderr]    Compiling num-bigint v0.4.0
[INFO] [stderr]    Compiling num-bigint v0.3.2
[INFO] [stderr]    Compiling num-rational v0.4.0
[INFO] [stderr]    Compiling num-iter v0.1.42
[INFO] [stderr]     Checking num-complex v0.4.0
[INFO] [stderr]     Checking ring-algorithm v0.3.0 (/opt/rustwide/workdir)
[INFO] [stderr]     Checking ring-algorithm v0.2.3
[INFO] [stderr]     Checking polynomial-ring v0.2.1
[INFO] [stderr]     Checking num v0.4.0
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 12.49s
[INFO] running `Command { std: "docker" "inspect" "4266e9a99a61d42066c0178cb85064d8d192bad9f3ca95301b6fe8d0150f30a6", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "4266e9a99a61d42066c0178cb85064d8d192bad9f3ca95301b6fe8d0150f30a6", kill_on_drop: false }`
[INFO] [stdout] 4266e9a99a61d42066c0178cb85064d8d192bad9f3ca95301b6fe8d0150f30a6