[INFO] cloning repository https://github.com/OvaisMemon/rust-prime-numbers
[INFO] running `Command { std: "git" "-c" "credential.helper=" "-c" "credential.helper=/workspace/cargo-home/bin/git-credential-null" "clone" "--bare" "https://github.com/OvaisMemon/rust-prime-numbers" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2FOvaisMemon%2Frust-prime-numbers", kill_on_drop: false }`
[INFO] [stderr] Cloning into bare repository '/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2FOvaisMemon%2Frust-prime-numbers'...
[INFO] running `Command { std: "git" "rev-parse" "HEAD", kill_on_drop: false }`
[INFO] [stdout] 8aed20585ee84aaf5e7d13a5ed2004b6cf745b67
[INFO] testing OvaisMemon/rust-prime-numbers against 1.55.0 for beta-1.56-1
[INFO] running `Command { std: "git" "clone" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2FOvaisMemon%2Frust-prime-numbers" "/workspace/builds/worker-93/source", kill_on_drop: false }`
[INFO] [stderr] Cloning into '/workspace/builds/worker-93/source'...
[INFO] [stderr] done.
[INFO] validating manifest of git repo https://github.com/OvaisMemon/rust-prime-numbers 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/OvaisMemon/rust-prime-numbers
[INFO] finished tweaking git repo https://github.com/OvaisMemon/rust-prime-numbers
[INFO] tweaked toml for git repo https://github.com/OvaisMemon/rust-prime-numbers written to /workspace/builds/worker-93/source/Cargo.toml
[INFO] crate git repo https://github.com/OvaisMemon/rust-prime-numbers 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-93/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-93/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] a9c5fc568099f7e67a5bb94842dc83a1c48f93dca9a06328a485bbc0315ec43f
[INFO] running `Command { std: "docker" "start" "-a" "a9c5fc568099f7e67a5bb94842dc83a1c48f93dca9a06328a485bbc0315ec43f", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "a9c5fc568099f7e67a5bb94842dc83a1c48f93dca9a06328a485bbc0315ec43f", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "a9c5fc568099f7e67a5bb94842dc83a1c48f93dca9a06328a485bbc0315ec43f", kill_on_drop: false }`
[INFO] [stdout] a9c5fc568099f7e67a5bb94842dc83a1c48f93dca9a06328a485bbc0315ec43f
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-93/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-93/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] a0d5a0a15aad80f767e40641ee65f4ad966aac006b33f0f24a1021fa1be3dd0c
[INFO] running `Command { std: "docker" "start" "-a" "a0d5a0a15aad80f767e40641ee65f4ad966aac006b33f0f24a1021fa1be3dd0c", kill_on_drop: false }`
[INFO] [stderr]     Blocking waiting for file lock on package cache
[INFO] [stderr]    Compiling prime-numbers v0.1.0 (/opt/rustwide/workdir)
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 8.92s
[INFO] running `Command { std: "docker" "inspect" "a0d5a0a15aad80f767e40641ee65f4ad966aac006b33f0f24a1021fa1be3dd0c", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "a0d5a0a15aad80f767e40641ee65f4ad966aac006b33f0f24a1021fa1be3dd0c", kill_on_drop: false }`
[INFO] [stdout] a0d5a0a15aad80f767e40641ee65f4ad966aac006b33f0f24a1021fa1be3dd0c
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-93/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-93/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] 17dbaa38c041b6dfe981b1f1d5d40ee5b2191f1acfbe9b9e6760ed6331d01003
[INFO] running `Command { std: "docker" "start" "-a" "17dbaa38c041b6dfe981b1f1d5d40ee5b2191f1acfbe9b9e6760ed6331d01003", kill_on_drop: false }`
[INFO] [stderr]     Blocking waiting for file lock on package cache
[INFO] [stderr]    Compiling prime-numbers v0.1.0 (/opt/rustwide/workdir)
[INFO] [stderr]     Finished test [unoptimized + debuginfo] target(s) in 1.75s
[INFO] running `Command { std: "docker" "inspect" "17dbaa38c041b6dfe981b1f1d5d40ee5b2191f1acfbe9b9e6760ed6331d01003", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "17dbaa38c041b6dfe981b1f1d5d40ee5b2191f1acfbe9b9e6760ed6331d01003", kill_on_drop: false }`
[INFO] [stdout] 17dbaa38c041b6dfe981b1f1d5d40ee5b2191f1acfbe9b9e6760ed6331d01003
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-93/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-93/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] 4cd1e55163b3467183d4804d73c012f70ab9b04c91065bbacf6a771994f5e9f7
[INFO] running `Command { std: "docker" "start" "-a" "4cd1e55163b3467183d4804d73c012f70ab9b04c91065bbacf6a771994f5e9f7", kill_on_drop: false }`
[INFO] [stderr]     Blocking waiting for file lock on package cache
[INFO] [stdout] 
[INFO] [stderr]     Finished test [unoptimized + debuginfo] target(s) in 0.79s
[INFO] [stdout] running 0 tests
[INFO] [stderr]      Running unittests (/opt/rustwide/target/debug/deps/prime_numbers-45f575da37a626af)
[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" "4cd1e55163b3467183d4804d73c012f70ab9b04c91065bbacf6a771994f5e9f7", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "4cd1e55163b3467183d4804d73c012f70ab9b04c91065bbacf6a771994f5e9f7", kill_on_drop: false }`
[INFO] [stdout] 4cd1e55163b3467183d4804d73c012f70ab9b04c91065bbacf6a771994f5e9f7