[INFO] fetching crate random_num 0.2.0...
[INFO] testing random_num-0.2.0 against master#432e145bd5a974c5b6f4dd9b352891bd7502b69d for pr-87041
[INFO] extracting crate random_num 0.2.0 into /workspace/builds/worker-4/source
[INFO] validating manifest of crates.io crate random_num 0.2.0 on toolchain 432e145bd5a974c5b6f4dd9b352891bd7502b69d
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+432e145bd5a974c5b6f4dd9b352891bd7502b69d" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }`
[INFO] started tweaking crates.io crate random_num 0.2.0
[INFO] finished tweaking crates.io crate random_num 0.2.0
[INFO] tweaked toml for crates.io crate random_num 0.2.0 written to /workspace/builds/worker-4/source/Cargo.toml
[INFO] crate crates.io crate random_num 0.2.0 already has a lockfile, it will not be regenerated
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+432e145bd5a974c5b6f4dd9b352891bd7502b69d" "fetch" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[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" "ghcr.io/rust-lang/crates-build-env/linux@sha256:34b6a614d2c27851fe6cbf88fbd1137609cefab8b10d0615aaeb6fd47975d74e" "/opt/rustwide/cargo-home/bin/cargo" "+432e145bd5a974c5b6f4dd9b352891bd7502b69d" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] de78bb2f5d0b9eabe6816900fb57f3d73c03f1a13b0d91c419bac97808b9a616
[INFO] running `Command { std: "docker" "start" "-a" "de78bb2f5d0b9eabe6816900fb57f3d73c03f1a13b0d91c419bac97808b9a616", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "de78bb2f5d0b9eabe6816900fb57f3d73c03f1a13b0d91c419bac97808b9a616", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "de78bb2f5d0b9eabe6816900fb57f3d73c03f1a13b0d91c419bac97808b9a616", kill_on_drop: false }`
[INFO] [stdout] de78bb2f5d0b9eabe6816900fb57f3d73c03f1a13b0d91c419bac97808b9a616
[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" "ghcr.io/rust-lang/crates-build-env/linux@sha256:34b6a614d2c27851fe6cbf88fbd1137609cefab8b10d0615aaeb6fd47975d74e" "/opt/rustwide/cargo-home/bin/cargo" "+432e145bd5a974c5b6f4dd9b352891bd7502b69d" "build" "--frozen" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] c9f4ac05dd3b98ca4728cff3f967e8d9c1c855ebfd6f06cc725baf0a89814886
[INFO] running `Command { std: "docker" "start" "-a" "c9f4ac05dd3b98ca4728cff3f967e8d9c1c855ebfd6f06cc725baf0a89814886", kill_on_drop: false }`
[INFO] [stderr]    Compiling libc v0.2.94
[INFO] [stderr]    Compiling getrandom v0.2.2
[INFO] [stderr]    Compiling ppv-lite86 v0.2.10
[INFO] [stderr]    Compiling rand_core v0.6.2
[INFO] [stderr]    Compiling rand_chacha v0.3.0
[INFO] [stderr]    Compiling rand v0.8.3
[INFO] [stderr]    Compiling random_num v0.2.0 (/opt/rustwide/workdir)
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 3.98s
[INFO] running `Command { std: "docker" "inspect" "c9f4ac05dd3b98ca4728cff3f967e8d9c1c855ebfd6f06cc725baf0a89814886", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "c9f4ac05dd3b98ca4728cff3f967e8d9c1c855ebfd6f06cc725baf0a89814886", kill_on_drop: false }`
[INFO] [stdout] c9f4ac05dd3b98ca4728cff3f967e8d9c1c855ebfd6f06cc725baf0a89814886
[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" "ghcr.io/rust-lang/crates-build-env/linux@sha256:34b6a614d2c27851fe6cbf88fbd1137609cefab8b10d0615aaeb6fd47975d74e" "/opt/rustwide/cargo-home/bin/cargo" "+432e145bd5a974c5b6f4dd9b352891bd7502b69d" "test" "--frozen" "--no-run" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] 3902ef2631e5e940f7b9d386a8a3bad2a136e71337a3d51841d6e85632a3bc36
[INFO] running `Command { std: "docker" "start" "-a" "3902ef2631e5e940f7b9d386a8a3bad2a136e71337a3d51841d6e85632a3bc36", kill_on_drop: false }`
[INFO] [stderr]    Compiling random_num v0.2.0 (/opt/rustwide/workdir)
[INFO] [stderr]     Finished test [unoptimized + debuginfo] target(s) in 0.47s
[INFO] running `Command { std: "docker" "inspect" "3902ef2631e5e940f7b9d386a8a3bad2a136e71337a3d51841d6e85632a3bc36", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "3902ef2631e5e940f7b9d386a8a3bad2a136e71337a3d51841d6e85632a3bc36", kill_on_drop: false }`
[INFO] [stdout] 3902ef2631e5e940f7b9d386a8a3bad2a136e71337a3d51841d6e85632a3bc36
[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" "ghcr.io/rust-lang/crates-build-env/linux@sha256:34b6a614d2c27851fe6cbf88fbd1137609cefab8b10d0615aaeb6fd47975d74e" "/opt/rustwide/cargo-home/bin/cargo" "+432e145bd5a974c5b6f4dd9b352891bd7502b69d" "test" "--frozen", kill_on_drop: false }`
[INFO] [stdout] 73633416c281c33d98f5c64f18c59c8d38845a5c76316a6d9f8bd4d11399be1a
[INFO] running `Command { std: "docker" "start" "-a" "73633416c281c33d98f5c64f18c59c8d38845a5c76316a6d9f8bd4d11399be1a", kill_on_drop: false }`
[INFO] [stdout] 
[INFO] [stderr]     Finished test [unoptimized + debuginfo] target(s) in 0.01s
[INFO] [stdout] running 0 tests
[INFO] [stderr]      Running unittests (/opt/rustwide/target/debug/deps/random_num-0bb2587bc499c5ad)
[INFO] [stdout] 
[INFO] [stdout] test result: ok. 0 passed; 0 failed; 0 ignored; 0 measured; 0 filtered out; finished in 0.00s
[INFO] [stdout] 
[INFO] running `Command { std: "docker" "inspect" "73633416c281c33d98f5c64f18c59c8d38845a5c76316a6d9f8bd4d11399be1a", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "73633416c281c33d98f5c64f18c59c8d38845a5c76316a6d9f8bd4d11399be1a", kill_on_drop: false }`
[INFO] [stdout] 73633416c281c33d98f5c64f18c59c8d38845a5c76316a6d9f8bd4d11399be1a