[INFO] fetching crate randnum 0.2.0...
[INFO] testing randnum-0.2.0 against 1.55.0 for beta-1.56-1
[INFO] extracting crate randnum 0.2.0 into /workspace/builds/worker-7/source
[INFO] validating manifest of crates.io crate randnum 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 randnum 0.2.0
[INFO] finished tweaking crates.io crate randnum 0.2.0
[INFO] tweaked toml for crates.io crate randnum 0.2.0 written to /workspace/builds/worker-7/source/Cargo.toml
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+1.55.0" "generate-lockfile" "--manifest-path" "Cargo.toml" "-Zno-index-update", kill_on_drop: false }`
[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] c36266c02c15c966365c4ba57a4bcef18f58891f0367666128f6a34e927c7e0c
[INFO] running `Command { std: "docker" "start" "-a" "c36266c02c15c966365c4ba57a4bcef18f58891f0367666128f6a34e927c7e0c", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "c36266c02c15c966365c4ba57a4bcef18f58891f0367666128f6a34e927c7e0c", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "c36266c02c15c966365c4ba57a4bcef18f58891f0367666128f6a34e927c7e0c", kill_on_drop: false }`
[INFO] [stdout] c36266c02c15c966365c4ba57a4bcef18f58891f0367666128f6a34e927c7e0c
[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] 6f193e187893bdef8e5026b953dd036ded108f2b866d165bbf0aa9bf84c99885
[INFO] running `Command { std: "docker" "start" "-a" "6f193e187893bdef8e5026b953dd036ded108f2b866d165bbf0aa9bf84c99885", kill_on_drop: false }`
[INFO] [stderr]    Compiling randnum v0.2.0 (/opt/rustwide/workdir)
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 0.63s
[INFO] running `Command { std: "docker" "inspect" "6f193e187893bdef8e5026b953dd036ded108f2b866d165bbf0aa9bf84c99885", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "6f193e187893bdef8e5026b953dd036ded108f2b866d165bbf0aa9bf84c99885", kill_on_drop: false }`
[INFO] [stdout] 6f193e187893bdef8e5026b953dd036ded108f2b866d165bbf0aa9bf84c99885
[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] dfd5694b9a22ddddab5a16601ea2b1a127aefd6d03ac0cb2f0957a0f50559292
[INFO] running `Command { std: "docker" "start" "-a" "dfd5694b9a22ddddab5a16601ea2b1a127aefd6d03ac0cb2f0957a0f50559292", kill_on_drop: false }`
[INFO] [stderr]    Compiling randnum v0.2.0 (/opt/rustwide/workdir)
[INFO] [stderr]     Finished test [unoptimized + debuginfo] target(s) in 0.43s
[INFO] running `Command { std: "docker" "inspect" "dfd5694b9a22ddddab5a16601ea2b1a127aefd6d03ac0cb2f0957a0f50559292", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "dfd5694b9a22ddddab5a16601ea2b1a127aefd6d03ac0cb2f0957a0f50559292", kill_on_drop: false }`
[INFO] [stdout] dfd5694b9a22ddddab5a16601ea2b1a127aefd6d03ac0cb2f0957a0f50559292
[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] b331c39aa62980440a0ea80486bd8a3d58fbc7502c55a7dd167a7fe0e9dc4f4c
[INFO] running `Command { std: "docker" "start" "-a" "b331c39aa62980440a0ea80486bd8a3d58fbc7502c55a7dd167a7fe0e9dc4f4c", kill_on_drop: false }`
[INFO] [stderr]     Finished test [unoptimized + debuginfo] target(s) in 0.01s
[INFO] [stdout] 
[INFO] [stderr]      Running unittests (/opt/rustwide/target/debug/deps/randnum-61400dfae51066ef)
[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" "b331c39aa62980440a0ea80486bd8a3d58fbc7502c55a7dd167a7fe0e9dc4f4c", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "b331c39aa62980440a0ea80486bd8a3d58fbc7502c55a7dd167a7fe0e9dc4f4c", kill_on_drop: false }`
[INFO] [stdout] b331c39aa62980440a0ea80486bd8a3d58fbc7502c55a7dd167a7fe0e9dc4f4c