[INFO] cloning repository https://github.com/anthropomorphic/prime_factorization
[INFO] running `Command { std: "git" "-c" "credential.helper=" "-c" "credential.helper=/workspace/cargo-home/bin/git-credential-null" "clone" "--bare" "https://github.com/anthropomorphic/prime_factorization" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fanthropomorphic%2Fprime_factorization", kill_on_drop: false }`
[INFO] [stderr] Cloning into bare repository '/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fanthropomorphic%2Fprime_factorization'...
[INFO] running `Command { std: "git" "rev-parse" "HEAD", kill_on_drop: false }`
[INFO] [stdout] cb9b2923631887cc54f33d30f4be1f9eabb2cfb1
[INFO] testing anthropomorphic/prime_factorization against 1.55.0 for beta-1.56-1
[INFO] running `Command { std: "git" "clone" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fanthropomorphic%2Fprime_factorization" "/workspace/builds/worker-58/source", kill_on_drop: false }`
[INFO] [stderr] Cloning into '/workspace/builds/worker-58/source'...
[INFO] [stderr] done.
[INFO] validating manifest of git repo https://github.com/anthropomorphic/prime_factorization 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/anthropomorphic/prime_factorization
[INFO] finished tweaking git repo https://github.com/anthropomorphic/prime_factorization
[INFO] tweaked toml for git repo https://github.com/anthropomorphic/prime_factorization written to /workspace/builds/worker-58/source/Cargo.toml
[INFO] crate git repo https://github.com/anthropomorphic/prime_factorization 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-58/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-58/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] 2138047c55a95154bda9c64440acd698bdd345f8ed019c0b79994981c4a62828
[INFO] running `Command { std: "docker" "start" "-a" "2138047c55a95154bda9c64440acd698bdd345f8ed019c0b79994981c4a62828", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "2138047c55a95154bda9c64440acd698bdd345f8ed019c0b79994981c4a62828", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "2138047c55a95154bda9c64440acd698bdd345f8ed019c0b79994981c4a62828", kill_on_drop: false }`
[INFO] [stdout] 2138047c55a95154bda9c64440acd698bdd345f8ed019c0b79994981c4a62828
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-58/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-58/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] 262334588ecb427cf7e6f62fd0b9599ff1ec8ccf3bd7efee5351378c5a08a999
[INFO] running `Command { std: "docker" "start" "-a" "262334588ecb427cf7e6f62fd0b9599ff1ec8ccf3bd7efee5351378c5a08a999", kill_on_drop: false }`
[INFO] [stderr]     Blocking waiting for file lock on package cache
[INFO] [stderr]    Compiling prime_factorization v0.1.0 (/opt/rustwide/workdir)
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 2.43s
[INFO] running `Command { std: "docker" "inspect" "262334588ecb427cf7e6f62fd0b9599ff1ec8ccf3bd7efee5351378c5a08a999", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "262334588ecb427cf7e6f62fd0b9599ff1ec8ccf3bd7efee5351378c5a08a999", kill_on_drop: false }`
[INFO] [stdout] 262334588ecb427cf7e6f62fd0b9599ff1ec8ccf3bd7efee5351378c5a08a999
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-58/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-58/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] 166724e4cc2ae2958341b3ba7735e9ef9edad29b1c4a865029bf024db8c33e45
[INFO] running `Command { std: "docker" "start" "-a" "166724e4cc2ae2958341b3ba7735e9ef9edad29b1c4a865029bf024db8c33e45", kill_on_drop: false }`
[INFO] [stderr]     Blocking waiting for file lock on package cache
[INFO] [stderr]    Compiling prime_factorization v0.1.0 (/opt/rustwide/workdir)
[INFO] [stderr]     Finished test [unoptimized + debuginfo] target(s) in 2.18s
[INFO] running `Command { std: "docker" "inspect" "166724e4cc2ae2958341b3ba7735e9ef9edad29b1c4a865029bf024db8c33e45", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "166724e4cc2ae2958341b3ba7735e9ef9edad29b1c4a865029bf024db8c33e45", kill_on_drop: false }`
[INFO] [stdout] 166724e4cc2ae2958341b3ba7735e9ef9edad29b1c4a865029bf024db8c33e45
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-58/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-58/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] c33229807d5ec29555de2eea5bdd8fb0decf04b6746958758853e29aba3cd956
[INFO] running `Command { std: "docker" "start" "-a" "c33229807d5ec29555de2eea5bdd8fb0decf04b6746958758853e29aba3cd956", kill_on_drop: false }`
[INFO] [stderr]     Finished test [unoptimized + debuginfo] target(s) in 0.02s
[INFO] [stderr]      Running unittests (/opt/rustwide/target/debug/deps/prime_factorization-0a26621358e781ba)
[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" "c33229807d5ec29555de2eea5bdd8fb0decf04b6746958758853e29aba3cd956", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "c33229807d5ec29555de2eea5bdd8fb0decf04b6746958758853e29aba3cd956", kill_on_drop: false }`
[INFO] [stdout] c33229807d5ec29555de2eea5bdd8fb0decf04b6746958758853e29aba3cd956