[INFO] fetching crate ethcore-bigint 0.2.1...
[INFO] checking ethcore-bigint-0.2.1 against try#f6e2f78768c57172b99c3e85892f867894dc7e30 for pr-75502
[INFO] extracting crate ethcore-bigint 0.2.1 into /workspace/builds/worker-6/source
[INFO] validating manifest of crates.io crate ethcore-bigint 0.2.1 on toolchain f6e2f78768c57172b99c3e85892f867894dc7e30
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+f6e2f78768c57172b99c3e85892f867894dc7e30" "read-manifest" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] started tweaking crates.io crate ethcore-bigint 0.2.1
[INFO] finished tweaking crates.io crate ethcore-bigint 0.2.1
[INFO] tweaked toml for crates.io crate ethcore-bigint 0.2.1 written to /workspace/builds/worker-6/source/Cargo.toml
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+f6e2f78768c57172b99c3e85892f867894dc7e30" "generate-lockfile" "--manifest-path" "Cargo.toml" "-Zno-index-update", kill_on_drop: false }`
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+f6e2f78768c57172b99c3e85892f867894dc7e30" "fetch" "--locked" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] [stderr]  Downloading crates ...
[INFO] [stderr]   Downloaded crunchy v0.1.6
[INFO] [stderr]   Downloaded rustc-hex v1.0.0
[INFO] [stderr]   Downloaded bigint v4.4.3
[INFO] [stderr]   Downloaded plain_hasher v0.1.0
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-6/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-6/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:a636fd89d022f18117e1dc8fb37a0a009933cdbbe082814857f0e2024962d47c" "/opt/rustwide/cargo-home/bin/cargo" "+f6e2f78768c57172b99c3e85892f867894dc7e30" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] 58c373361c8b229e073cf2afcd8db5fb7daedfac870230cc46a41bf0d31c23bb
[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" "58c373361c8b229e073cf2afcd8db5fb7daedfac870230cc46a41bf0d31c23bb", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "58c373361c8b229e073cf2afcd8db5fb7daedfac870230cc46a41bf0d31c23bb", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "58c373361c8b229e073cf2afcd8db5fb7daedfac870230cc46a41bf0d31c23bb", kill_on_drop: false }`
[INFO] [stdout] 58c373361c8b229e073cf2afcd8db5fb7daedfac870230cc46a41bf0d31c23bb
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-6/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-6/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:a636fd89d022f18117e1dc8fb37a0a009933cdbbe082814857f0e2024962d47c" "/opt/rustwide/cargo-home/bin/cargo" "+f6e2f78768c57172b99c3e85892f867894dc7e30" "check" "--frozen" "--all" "--all-targets" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] d3d6828647d68abf0acf28d25120e555cf1a1d478c479a5ba4325693c15951f0
[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" "d3d6828647d68abf0acf28d25120e555cf1a1d478c479a5ba4325693c15951f0", kill_on_drop: false }`
[INFO] [stderr]    Compiling libc v0.2.76
[INFO] [stderr]    Compiling crunchy v0.1.6
[INFO] [stderr]    Compiling byteorder v1.3.4
[INFO] [stderr]     Checking rustc-hex v1.0.0
[INFO] [stderr]     Checking plain_hasher v0.1.0
[INFO] [stderr]     Checking bigint v4.4.3
[INFO] [stderr]     Checking rand v0.4.6
[INFO] [stderr]     Checking rand v0.3.23
[INFO] [stderr]     Checking ethcore-bigint v0.2.1 (/opt/rustwide/workdir)
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 6.27s
[INFO] running `Command { std: "docker" "inspect" "d3d6828647d68abf0acf28d25120e555cf1a1d478c479a5ba4325693c15951f0", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "d3d6828647d68abf0acf28d25120e555cf1a1d478c479a5ba4325693c15951f0", kill_on_drop: false }`
[INFO] [stdout] d3d6828647d68abf0acf28d25120e555cf1a1d478c479a5ba4325693c15951f0