[INFO] fetching crate random_num 0.2.0...
[INFO] testing random_num-0.2.0 against 1.55.0 for beta-1.56-1
[INFO] extracting crate random_num 0.2.0 into /workspace/builds/worker-7/source
[INFO] validating manifest of crates.io crate random_num 0.2.0 on toolchain 1.55.0
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+1.55.0" "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-7/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" "+1.55.0" "fetch" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-7/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-7/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:a89201d6b5b9fd45c15d5952ece0a0129e7e80cb26ec023fd59cf09bc26f1604" "/opt/rustwide/cargo-home/bin/cargo" "+1.55.0" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] 79d38abe8339ca430411979b1530424ae5d0963477e94087e2d8ea253b2ab823
[INFO] running `Command { std: "docker" "start" "-a" "79d38abe8339ca430411979b1530424ae5d0963477e94087e2d8ea253b2ab823", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "79d38abe8339ca430411979b1530424ae5d0963477e94087e2d8ea253b2ab823", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "79d38abe8339ca430411979b1530424ae5d0963477e94087e2d8ea253b2ab823", kill_on_drop: false }`
[INFO] [stdout] 79d38abe8339ca430411979b1530424ae5d0963477e94087e2d8ea253b2ab823
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-7/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-7/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=warn" "-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:a89201d6b5b9fd45c15d5952ece0a0129e7e80cb26ec023fd59cf09bc26f1604" "/opt/rustwide/cargo-home/bin/cargo" "+1.55.0" "build" "--frozen" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] 9d1516db206e8c0eb6e082d4e4f8266f1d72247ec388f9e7958d8085afc57d02
[INFO] running `Command { std: "docker" "start" "-a" "9d1516db206e8c0eb6e082d4e4f8266f1d72247ec388f9e7958d8085afc57d02", kill_on_drop: false }`
[INFO] [stderr]    Compiling libc v0.2.94
[INFO] [stderr]    Compiling getrandom v0.2.2
[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 4.79s
[INFO] running `Command { std: "docker" "inspect" "9d1516db206e8c0eb6e082d4e4f8266f1d72247ec388f9e7958d8085afc57d02", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "9d1516db206e8c0eb6e082d4e4f8266f1d72247ec388f9e7958d8085afc57d02", kill_on_drop: false }`
[INFO] [stdout] 9d1516db206e8c0eb6e082d4e4f8266f1d72247ec388f9e7958d8085afc57d02
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-7/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-7/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=warn" "-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:a89201d6b5b9fd45c15d5952ece0a0129e7e80cb26ec023fd59cf09bc26f1604" "/opt/rustwide/cargo-home/bin/cargo" "+1.55.0" "test" "--frozen" "--no-run" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] 5bc5c7f94d192d5109703f75321ff46aceb1cd206237a4f1a1d26f0c2e72e91e
[INFO] running `Command { std: "docker" "start" "-a" "5bc5c7f94d192d5109703f75321ff46aceb1cd206237a4f1a1d26f0c2e72e91e", kill_on_drop: false }`
[INFO] [stderr]    Compiling random_num v0.2.0 (/opt/rustwide/workdir)
[INFO] [stderr]     Finished test [unoptimized + debuginfo] target(s) in 0.48s
[INFO] running `Command { std: "docker" "inspect" "5bc5c7f94d192d5109703f75321ff46aceb1cd206237a4f1a1d26f0c2e72e91e", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "5bc5c7f94d192d5109703f75321ff46aceb1cd206237a4f1a1d26f0c2e72e91e", kill_on_drop: false }`
[INFO] [stdout] 5bc5c7f94d192d5109703f75321ff46aceb1cd206237a4f1a1d26f0c2e72e91e
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-7/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-7/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=warn" "-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:a89201d6b5b9fd45c15d5952ece0a0129e7e80cb26ec023fd59cf09bc26f1604" "/opt/rustwide/cargo-home/bin/cargo" "+1.55.0" "test" "--frozen", kill_on_drop: false }`
[INFO] [stdout] d4d338855f27efab714ab819ad33dc3cb0b151e836758245531254ed3f7aaa4a
[INFO] running `Command { std: "docker" "start" "-a" "d4d338855f27efab714ab819ad33dc3cb0b151e836758245531254ed3f7aaa4a", kill_on_drop: false }`
[INFO] [stderr]     Finished test [unoptimized + debuginfo] target(s) in 0.02s
[INFO] [stderr]      Running unittests (/opt/rustwide/target/debug/deps/random_num-ce260b699e20f79a)
[INFO] [stdout] 
[INFO] [stdout] running 0 tests
[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" "d4d338855f27efab714ab819ad33dc3cb0b151e836758245531254ed3f7aaa4a", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "d4d338855f27efab714ab819ad33dc3cb0b151e836758245531254ed3f7aaa4a", kill_on_drop: false }`
[INFO] [stdout] d4d338855f27efab714ab819ad33dc3cb0b151e836758245531254ed3f7aaa4a