[INFO] fetching crate randua 0.1.6...
[INFO] building randua-0.1.6 against master#87788097b776f8e3662f76627944230684b671bd for pr-101591
[INFO] extracting crate randua 0.1.6 into /workspace/builds/worker-6/source
[INFO] validating manifest of crates.io crate randua 0.1.6 on toolchain 87788097b776f8e3662f76627944230684b671bd
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+87788097b776f8e3662f76627944230684b671bd" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }`
[INFO] started tweaking crates.io crate randua 0.1.6
[INFO] finished tweaking crates.io crate randua 0.1.6
[INFO] tweaked toml for crates.io crate randua 0.1.6 written to /workspace/builds/worker-6/source/Cargo.toml
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+87788097b776f8e3662f76627944230684b671bd" "generate-lockfile" "--manifest-path" "Cargo.toml" "-Zno-index-update", kill_on_drop: false }`
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+87788097b776f8e3662f76627944230684b671bd" "fetch" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[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" "ghcr.io/rust-lang/crates-build-env/linux@sha256:824c28ce115f6b999260af6986f3384c158e782489540e41c0b698ca1d9fd927" "/opt/rustwide/cargo-home/bin/cargo" "+87788097b776f8e3662f76627944230684b671bd" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] 7070dc0ea0f45a180ce28f96b17982cbb7a79a5f4074e4918a94ef3b02ffbb72
[INFO] running `Command { std: "docker" "start" "-a" "7070dc0ea0f45a180ce28f96b17982cbb7a79a5f4074e4918a94ef3b02ffbb72", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "7070dc0ea0f45a180ce28f96b17982cbb7a79a5f4074e4918a94ef3b02ffbb72", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "7070dc0ea0f45a180ce28f96b17982cbb7a79a5f4074e4918a94ef3b02ffbb72", kill_on_drop: false }`
[INFO] [stdout] 7070dc0ea0f45a180ce28f96b17982cbb7a79a5f4074e4918a94ef3b02ffbb72
[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" "RUSTDOCFLAGS=--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@sha256:824c28ce115f6b999260af6986f3384c158e782489540e41c0b698ca1d9fd927" "/opt/rustwide/cargo-home/bin/cargo" "+87788097b776f8e3662f76627944230684b671bd" "build" "--frozen" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] fb82f5776ea0188081ab2f944465e6f6320ca2f62e6ad25c72b3896aeeaa6aa6
[INFO] running `Command { std: "docker" "start" "-a" "fb82f5776ea0188081ab2f944465e6f6320ca2f62e6ad25c72b3896aeeaa6aa6", kill_on_drop: false }`
[INFO] [stderr]    Compiling libc v0.2.132
[INFO] [stderr]    Compiling getrandom v0.1.16
[INFO] [stderr]    Compiling cfg-if v1.0.0
[INFO] [stderr]    Compiling ppv-lite86 v0.2.16
[INFO] [stderr]    Compiling rand_core v0.5.1
[INFO] [stderr]    Compiling rand_chacha v0.2.2
[INFO] [stderr]    Compiling rand v0.7.3
[INFO] [stderr]    Compiling randua v0.1.6 (/opt/rustwide/workdir)
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 3.09s
[INFO] running `Command { std: "docker" "inspect" "fb82f5776ea0188081ab2f944465e6f6320ca2f62e6ad25c72b3896aeeaa6aa6", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "fb82f5776ea0188081ab2f944465e6f6320ca2f62e6ad25c72b3896aeeaa6aa6", kill_on_drop: false }`
[INFO] [stdout] fb82f5776ea0188081ab2f944465e6f6320ca2f62e6ad25c72b3896aeeaa6aa6
[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" "RUSTDOCFLAGS=--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@sha256:824c28ce115f6b999260af6986f3384c158e782489540e41c0b698ca1d9fd927" "/opt/rustwide/cargo-home/bin/cargo" "+87788097b776f8e3662f76627944230684b671bd" "test" "--frozen" "--no-run" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] aac5913bfc8c8d5d9ef2222fac7fca38db96042de9cf21c558c38dd26f2fb2ea
[INFO] running `Command { std: "docker" "start" "-a" "aac5913bfc8c8d5d9ef2222fac7fca38db96042de9cf21c558c38dd26f2fb2ea", kill_on_drop: false }`
[INFO] [stderr]    Compiling randua v0.1.6 (/opt/rustwide/workdir)
[INFO] [stderr]     Finished test [unoptimized + debuginfo] target(s) in 0.78s
[INFO] running `Command { std: "docker" "inspect" "aac5913bfc8c8d5d9ef2222fac7fca38db96042de9cf21c558c38dd26f2fb2ea", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "aac5913bfc8c8d5d9ef2222fac7fca38db96042de9cf21c558c38dd26f2fb2ea", kill_on_drop: false }`
[INFO] [stdout] aac5913bfc8c8d5d9ef2222fac7fca38db96042de9cf21c558c38dd26f2fb2ea