[INFO] fetching crate concrete-csprng 0.1.6...
[INFO] checking concrete-csprng-0.1.6 against try#e0f03aec47b100bc29555561bd62a99d1bc6aca5 for pr-86231
[INFO] extracting crate concrete-csprng 0.1.6 into /workspace/builds/worker-7/source
[INFO] validating manifest of crates.io crate concrete-csprng 0.1.6 on toolchain e0f03aec47b100bc29555561bd62a99d1bc6aca5
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+e0f03aec47b100bc29555561bd62a99d1bc6aca5" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }`
[INFO] started tweaking crates.io crate concrete-csprng 0.1.6
[INFO] finished tweaking crates.io crate concrete-csprng 0.1.6
[INFO] tweaked toml for crates.io crate concrete-csprng 0.1.6 written to /workspace/builds/worker-7/source/Cargo.toml
[INFO] crate crates.io crate concrete-csprng 0.1.6 already has a lockfile, it will not be regenerated
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+e0f03aec47b100bc29555561bd62a99d1bc6aca5" "fetch" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-7/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-7/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" "+e0f03aec47b100bc29555561bd62a99d1bc6aca5" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] 9e84dbe0e34d4c25538a036ceeefe0dabc906bf7d357ec83a8061c5b75a1f0e1
[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" "9e84dbe0e34d4c25538a036ceeefe0dabc906bf7d357ec83a8061c5b75a1f0e1", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "9e84dbe0e34d4c25538a036ceeefe0dabc906bf7d357ec83a8061c5b75a1f0e1", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "9e84dbe0e34d4c25538a036ceeefe0dabc906bf7d357ec83a8061c5b75a1f0e1", kill_on_drop: false }`
[INFO] [stdout] 9e84dbe0e34d4c25538a036ceeefe0dabc906bf7d357ec83a8061c5b75a1f0e1
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-7/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-7/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" "+e0f03aec47b100bc29555561bd62a99d1bc6aca5" "check" "--frozen" "--all" "--all-targets" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] c0188f13a329081409fc56f8b996df9cbedf572bc970d960baeccefd1708e989
[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" "c0188f13a329081409fc56f8b996df9cbedf572bc970d960baeccefd1708e989", kill_on_drop: false }`
[INFO] [stderr]     Checking concrete-csprng v0.1.6 (/opt/rustwide/workdir)
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 0.59s
[INFO] running `Command { std: "docker" "inspect" "c0188f13a329081409fc56f8b996df9cbedf572bc970d960baeccefd1708e989", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "c0188f13a329081409fc56f8b996df9cbedf572bc970d960baeccefd1708e989", kill_on_drop: false }`
[INFO] [stdout] c0188f13a329081409fc56f8b996df9cbedf572bc970d960baeccefd1708e989