[INFO] cloning repository https://github.com/crs2107/Rust_practice
[INFO] running `Command { std: "git" "-c" "credential.helper=" "-c" "credential.helper=/workspace/cargo-home/bin/git-credential-null" "clone" "--bare" "https://github.com/crs2107/Rust_practice" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fcrs2107%2FRust_practice", kill_on_drop: false }`
[INFO] [stderr] Cloning into bare repository '/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fcrs2107%2FRust_practice'...
[INFO] running `Command { std: "git" "rev-parse" "HEAD", kill_on_drop: false }`
[INFO] [stdout] 288e06d9569ebda09e30cb3d77b3d0c6b5954b61
[INFO] testing crs2107/Rust_practice against 1.60.0 for beta-1.61-1
[INFO] running `Command { std: "git" "clone" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fcrs2107%2FRust_practice" "/workspace/builds/worker-114/source", kill_on_drop: false }`
[INFO] [stderr] Cloning into '/workspace/builds/worker-114/source'...
[INFO] [stderr] done.
[INFO] validating manifest of git repo https://github.com/crs2107/Rust_practice on toolchain 1.60.0
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+1.60.0" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }`
[INFO] started tweaking git repo https://github.com/crs2107/Rust_practice
[INFO] finished tweaking git repo https://github.com/crs2107/Rust_practice
[INFO] tweaked toml for git repo https://github.com/crs2107/Rust_practice written to /workspace/builds/worker-114/source/Cargo.toml
[INFO] crate git repo https://github.com/crs2107/Rust_practice already has a lockfile, it will not be regenerated
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+1.60.0" "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-114/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-114/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:b0c94ce3c1162fcb8e57cac5b65ec2f72eabb1eebea4fcc35e269e823f681646" "/opt/rustwide/cargo-home/bin/cargo" "+1.60.0" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] 7fc03c61be9b5547539e21da53f7c5abdc20ac89101537e8057b91a4c72349cd
[INFO] running `Command { std: "docker" "start" "-a" "7fc03c61be9b5547539e21da53f7c5abdc20ac89101537e8057b91a4c72349cd", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "7fc03c61be9b5547539e21da53f7c5abdc20ac89101537e8057b91a4c72349cd", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "7fc03c61be9b5547539e21da53f7c5abdc20ac89101537e8057b91a4c72349cd", kill_on_drop: false }`
[INFO] [stdout] 7fc03c61be9b5547539e21da53f7c5abdc20ac89101537e8057b91a4c72349cd
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-114/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-114/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:b0c94ce3c1162fcb8e57cac5b65ec2f72eabb1eebea4fcc35e269e823f681646" "/opt/rustwide/cargo-home/bin/cargo" "+1.60.0" "build" "--frozen" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] fd4b7406145dc43758f5b5f5547740e3bd9f873e76c09ee497ae33abba27de1d
[INFO] running `Command { std: "docker" "start" "-a" "fd4b7406145dc43758f5b5f5547740e3bd9f873e76c09ee497ae33abba27de1d", kill_on_drop: false }`
[INFO] [stderr]     Blocking waiting for file lock on package cache
[INFO] [stderr]    Compiling prime_pair v0.1.0 (/opt/rustwide/workdir)
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 53.59s
[INFO] running `Command { std: "docker" "inspect" "fd4b7406145dc43758f5b5f5547740e3bd9f873e76c09ee497ae33abba27de1d", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "fd4b7406145dc43758f5b5f5547740e3bd9f873e76c09ee497ae33abba27de1d", kill_on_drop: false }`
[INFO] [stdout] fd4b7406145dc43758f5b5f5547740e3bd9f873e76c09ee497ae33abba27de1d
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-114/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-114/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:b0c94ce3c1162fcb8e57cac5b65ec2f72eabb1eebea4fcc35e269e823f681646" "/opt/rustwide/cargo-home/bin/cargo" "+1.60.0" "test" "--frozen" "--no-run" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] 6ee863cfe3a0908e58944236d3bc550a608259de68aacbf58c19e31f97b90de1
[INFO] running `Command { std: "docker" "start" "-a" "6ee863cfe3a0908e58944236d3bc550a608259de68aacbf58c19e31f97b90de1", kill_on_drop: false }`
[INFO] [stderr]     Blocking waiting for file lock on package cache
[INFO] [stderr]    Compiling prime_pair v0.1.0 (/opt/rustwide/workdir)
[INFO] [stderr]     Finished test [unoptimized + debuginfo] target(s) in 2.75s
[INFO] running `Command { std: "docker" "inspect" "6ee863cfe3a0908e58944236d3bc550a608259de68aacbf58c19e31f97b90de1", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "6ee863cfe3a0908e58944236d3bc550a608259de68aacbf58c19e31f97b90de1", kill_on_drop: false }`
[INFO] [stdout] 6ee863cfe3a0908e58944236d3bc550a608259de68aacbf58c19e31f97b90de1
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-114/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-114/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:b0c94ce3c1162fcb8e57cac5b65ec2f72eabb1eebea4fcc35e269e823f681646" "/opt/rustwide/cargo-home/bin/cargo" "+1.60.0" "test" "--frozen", kill_on_drop: false }`
[INFO] [stdout] 89fb2cd778e6094a02127056e9a55aef6e9f773bea005ab5231eee020bdb4d7e
[INFO] running `Command { std: "docker" "start" "-a" "89fb2cd778e6094a02127056e9a55aef6e9f773bea005ab5231eee020bdb4d7e", kill_on_drop: false }`
[INFO] [stderr]     Blocking waiting for file lock on package cache
[INFO] [stderr]     Finished test [unoptimized + debuginfo] target(s) in 0.09s
[INFO] [stderr]      Running unittests (/opt/rustwide/target/debug/deps/prime_pair-ed956c1f3f657895)
[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" "89fb2cd778e6094a02127056e9a55aef6e9f773bea005ab5231eee020bdb4d7e", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "89fb2cd778e6094a02127056e9a55aef6e9f773bea005ab5231eee020bdb4d7e", kill_on_drop: false }`
[INFO] [stdout] 89fb2cd778e6094a02127056e9a55aef6e9f773bea005ab5231eee020bdb4d7e