[INFO] cloning repository https://github.com/Nuorah/is_prime_rust
[INFO] running `Command { std: "git" "-c" "credential.helper=" "-c" "credential.helper=/workspace/cargo-home/bin/git-credential-null" "clone" "--bare" "https://github.com/Nuorah/is_prime_rust" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2FNuorah%2Fis_prime_rust", kill_on_drop: false }`
[INFO] [stderr] Cloning into bare repository '/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2FNuorah%2Fis_prime_rust'...
[INFO] running `Command { std: "git" "rev-parse" "HEAD", kill_on_drop: false }`
[INFO] [stdout] 224ed026250f29bbcdc9513667ebe9ed598cd80b
[INFO] testing Nuorah/is_prime_rust against 1.55.0 for beta-1.56-1
[INFO] running `Command { std: "git" "clone" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2FNuorah%2Fis_prime_rust" "/workspace/builds/worker-40/source", kill_on_drop: false }`
[INFO] [stderr] Cloning into '/workspace/builds/worker-40/source'...
[INFO] [stderr] done.
[INFO] validating manifest of git repo https://github.com/Nuorah/is_prime_rust 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 git repo https://github.com/Nuorah/is_prime_rust
[INFO] finished tweaking git repo https://github.com/Nuorah/is_prime_rust
[INFO] tweaked toml for git repo https://github.com/Nuorah/is_prime_rust written to /workspace/builds/worker-40/source/Cargo.toml
[INFO] crate git repo https://github.com/Nuorah/is_prime_rust 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] [stderr]     Blocking waiting for file lock on package cache
[INFO] [stderr]     Blocking waiting for file lock on package cache
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-40/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-40/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] 129d885340ac311725822bb1290ad9ba37e700843e6b2e0e853a18546370dbc1
[INFO] running `Command { std: "docker" "start" "-a" "129d885340ac311725822bb1290ad9ba37e700843e6b2e0e853a18546370dbc1", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "129d885340ac311725822bb1290ad9ba37e700843e6b2e0e853a18546370dbc1", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "129d885340ac311725822bb1290ad9ba37e700843e6b2e0e853a18546370dbc1", kill_on_drop: false }`
[INFO] [stdout] 129d885340ac311725822bb1290ad9ba37e700843e6b2e0e853a18546370dbc1
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-40/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-40/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] 4c0b1b9257df8e6532dca43c2c0055e73e41315b19046a23b7cbd578d8fb7133
[INFO] running `Command { std: "docker" "start" "-a" "4c0b1b9257df8e6532dca43c2c0055e73e41315b19046a23b7cbd578d8fb7133", kill_on_drop: false }`
[INFO] [stderr]     Blocking waiting for file lock on package cache
[INFO] [stderr]    Compiling is_prime v0.1.0 (/opt/rustwide/workdir)
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 6.62s
[INFO] running `Command { std: "docker" "inspect" "4c0b1b9257df8e6532dca43c2c0055e73e41315b19046a23b7cbd578d8fb7133", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "4c0b1b9257df8e6532dca43c2c0055e73e41315b19046a23b7cbd578d8fb7133", kill_on_drop: false }`
[INFO] [stdout] 4c0b1b9257df8e6532dca43c2c0055e73e41315b19046a23b7cbd578d8fb7133
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-40/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-40/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] 17daba6c9dd8db5563062c6370abcde23755f6b1d507dca494ac63a6685a79f2
[INFO] running `Command { std: "docker" "start" "-a" "17daba6c9dd8db5563062c6370abcde23755f6b1d507dca494ac63a6685a79f2", kill_on_drop: false }`
[INFO] [stderr]    Compiling is_prime v0.1.0 (/opt/rustwide/workdir)
[INFO] [stderr]     Finished test [unoptimized + debuginfo] target(s) in 0.51s
[INFO] running `Command { std: "docker" "inspect" "17daba6c9dd8db5563062c6370abcde23755f6b1d507dca494ac63a6685a79f2", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "17daba6c9dd8db5563062c6370abcde23755f6b1d507dca494ac63a6685a79f2", kill_on_drop: false }`
[INFO] [stdout] 17daba6c9dd8db5563062c6370abcde23755f6b1d507dca494ac63a6685a79f2
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-40/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-40/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] c6a8773ed69720b8abb8f85cef0555b7e3c8c4e8ab27cfd6ff6ba52b7149c96f
[INFO] running `Command { std: "docker" "start" "-a" "c6a8773ed69720b8abb8f85cef0555b7e3c8c4e8ab27cfd6ff6ba52b7149c96f", kill_on_drop: false }`
[INFO] [stderr]     Blocking waiting for file lock on package cache
[INFO] [stderr]     Finished test [unoptimized + debuginfo] target(s) in 0.22s
[INFO] [stderr]      Running unittests (/opt/rustwide/target/debug/deps/is_prime-35f4027a98840562)
[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" "c6a8773ed69720b8abb8f85cef0555b7e3c8c4e8ab27cfd6ff6ba52b7149c96f", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "c6a8773ed69720b8abb8f85cef0555b7e3c8c4e8ab27cfd6ff6ba52b7149c96f", kill_on_drop: false }`
[INFO] [stdout] c6a8773ed69720b8abb8f85cef0555b7e3c8c4e8ab27cfd6ff6ba52b7149c96f