[INFO] fetching crate rand_dev 0.1.0...
[INFO] building rand_dev-0.1.0 against master#87788097b776f8e3662f76627944230684b671bd for pr-101591
[INFO] extracting crate rand_dev 0.1.0 into /workspace/builds/worker-6/source
[INFO] validating manifest of crates.io crate rand_dev 0.1.0 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 rand_dev 0.1.0
[INFO] finished tweaking crates.io crate rand_dev 0.1.0
[INFO] tweaked toml for crates.io crate rand_dev 0.1.0 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] 26edfc0e491b8f2d3ea8367de1073df40b3f26175fa891805778bb4de8507a24
[INFO] running `Command { std: "docker" "start" "-a" "26edfc0e491b8f2d3ea8367de1073df40b3f26175fa891805778bb4de8507a24", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "26edfc0e491b8f2d3ea8367de1073df40b3f26175fa891805778bb4de8507a24", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "26edfc0e491b8f2d3ea8367de1073df40b3f26175fa891805778bb4de8507a24", kill_on_drop: false }`
[INFO] [stdout] 26edfc0e491b8f2d3ea8367de1073df40b3f26175fa891805778bb4de8507a24
[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] 7e9ba9e0aa5e41ee466d727df947ba8256b1d9e0a7ad837331436e28aae41717
[INFO] running `Command { std: "docker" "start" "-a" "7e9ba9e0aa5e41ee466d727df947ba8256b1d9e0a7ad837331436e28aae41717", kill_on_drop: false }`
[INFO] [stderr]     Blocking waiting for file lock on package cache
[INFO] [stderr]    Compiling libc v0.2.132
[INFO] [stderr]    Compiling cfg-if v1.0.0
[INFO] [stderr]    Compiling ppv-lite86 v0.2.16
[INFO] [stderr]    Compiling hex v0.4.3
[INFO] [stderr]    Compiling getrandom v0.2.7
[INFO] [stderr]    Compiling rand_core v0.6.3
[INFO] [stderr]    Compiling rand_chacha v0.3.1
[INFO] [stderr]    Compiling rand_dev v0.1.0 (/opt/rustwide/workdir)
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 5.69s
[INFO] running `Command { std: "docker" "inspect" "7e9ba9e0aa5e41ee466d727df947ba8256b1d9e0a7ad837331436e28aae41717", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "7e9ba9e0aa5e41ee466d727df947ba8256b1d9e0a7ad837331436e28aae41717", kill_on_drop: false }`
[INFO] [stdout] 7e9ba9e0aa5e41ee466d727df947ba8256b1d9e0a7ad837331436e28aae41717
[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] 8f8899dc17640c4a61b3deeba4d52f0fca72c5861733a393c99b850673001951
[INFO] running `Command { std: "docker" "start" "-a" "8f8899dc17640c4a61b3deeba4d52f0fca72c5861733a393c99b850673001951", kill_on_drop: false }`
[INFO] [stderr]    Compiling rand_dev v0.1.0 (/opt/rustwide/workdir)
[INFO] [stderr]     Finished test [unoptimized + debuginfo] target(s) in 0.77s
[INFO] running `Command { std: "docker" "inspect" "8f8899dc17640c4a61b3deeba4d52f0fca72c5861733a393c99b850673001951", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "8f8899dc17640c4a61b3deeba4d52f0fca72c5861733a393c99b850673001951", kill_on_drop: false }`
[INFO] [stdout] 8f8899dc17640c4a61b3deeba4d52f0fca72c5861733a393c99b850673001951