[INFO] fetching crate benaloh-challenge 0.7.1...
[INFO] checking benaloh-challenge-0.7.1 against beta for pr-78714
[INFO] extracting crate benaloh-challenge 0.7.1 into /workspace/builds/worker-4/source
[INFO] validating manifest of crates.io crate benaloh-challenge 0.7.1 on toolchain beta
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+beta" "read-manifest" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] started tweaking crates.io crate benaloh-challenge 0.7.1
[INFO] finished tweaking crates.io crate benaloh-challenge 0.7.1
[INFO] tweaked toml for crates.io crate benaloh-challenge 0.7.1 written to /workspace/builds/worker-4/source/Cargo.toml
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+beta" "generate-lockfile" "--manifest-path" "Cargo.toml" "-Zno-index-update", kill_on_drop: false }`
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+beta" "fetch" "--locked" "--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-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:d92eaeed33fa75130ca1ee6c8a01d1ffb62bac859dfdfb3450e3e5d1c0146529" "/opt/rustwide/cargo-home/bin/cargo" "+beta" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] 170e57cd82bf9c74f2ef3bbd6e0c1c4bdba94383e20b908ece49b051759e68ed
[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" "170e57cd82bf9c74f2ef3bbd6e0c1c4bdba94383e20b908ece49b051759e68ed", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "170e57cd82bf9c74f2ef3bbd6e0c1c4bdba94383e20b908ece49b051759e68ed", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "170e57cd82bf9c74f2ef3bbd6e0c1c4bdba94383e20b908ece49b051759e68ed", kill_on_drop: false }`
[INFO] [stdout] 170e57cd82bf9c74f2ef3bbd6e0c1c4bdba94383e20b908ece49b051759e68ed
[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:d92eaeed33fa75130ca1ee6c8a01d1ffb62bac859dfdfb3450e3e5d1c0146529" "/opt/rustwide/cargo-home/bin/cargo" "+beta" "check" "--frozen" "--all" "--all-targets" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] 904b6979ed7afd523f5eb3ebd762b3e1d1541f2a3d2793b7950f612a55f2a94b
[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" "904b6979ed7afd523f5eb3ebd762b3e1d1541f2a3d2793b7950f612a55f2a94b", kill_on_drop: false }`
[INFO] [stderr]    Compiling libm v0.2.1
[INFO] [stderr]     Checking cpuid-bool v0.1.2
[INFO] [stderr]     Checking smallvec v1.4.2
[INFO] [stderr]     Checking subtle v2.3.0
[INFO] [stderr]    Compiling num-integer v0.1.44
[INFO] [stderr]    Compiling num-bigint v0.2.6
[INFO] [stderr]    Compiling num-bigint-dig v0.6.0
[INFO] [stderr]     Checking thread_local v1.0.1
[INFO] [stderr]     Checking backtrace v0.3.54
[INFO] [stderr]    Compiling thiserror-impl v1.0.22
[INFO] [stderr]     Checking block-buffer v0.9.0
[INFO] [stderr]    Compiling zeroize_derive v1.0.1
[INFO] [stderr]     Checking sha2 v0.9.2
[INFO] [stderr]     Checking regex v1.4.2
[INFO] [stderr]     Checking failure v0.1.8
[INFO] [stderr]     Checking chrono v0.4.19
[INFO] [stderr]     Checking num-iter v0.1.42
[INFO] [stderr]     Checking zeroize v1.1.1
[INFO] [stderr]     Checking benaloh-challenge v0.7.1 (/opt/rustwide/workdir)
[INFO] [stderr]     Checking pem v0.8.1
[INFO] [stderr]     Checking thiserror v1.0.22
[INFO] [stderr]     Checking simple_asn1 v0.4.1
[INFO] [stderr]     Checking rsa v0.3.0
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 11.47s
[INFO] running `Command { std: "docker" "inspect" "904b6979ed7afd523f5eb3ebd762b3e1d1541f2a3d2793b7950f612a55f2a94b", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "904b6979ed7afd523f5eb3ebd762b3e1d1541f2a3d2793b7950f612a55f2a94b", kill_on_drop: false }`
[INFO] [stdout] 904b6979ed7afd523f5eb3ebd762b3e1d1541f2a3d2793b7950f612a55f2a94b