[INFO] cloning repository https://github.com/GipsyU/rust_algo_solve
[INFO] running `Command { std: "git" "-c" "credential.helper=" "-c" "credential.helper=/workspace/cargo-home/bin/git-credential-null" "clone" "--bare" "https://github.com/GipsyU/rust_algo_solve" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2FGipsyU%2Frust_algo_solve", kill_on_drop: false }`
[INFO] [stderr] Cloning into bare repository '/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2FGipsyU%2Frust_algo_solve'...
[INFO] running `Command { std: "git" "rev-parse" "HEAD", kill_on_drop: false }`
[INFO] [stdout] 0866ff38cf7704682c26f299115a5ea7281c4eed
[INFO] testing GipsyU/rust_algo_solve against 1.55.0 for beta-1.56-1
[INFO] running `Command { std: "git" "clone" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2FGipsyU%2Frust_algo_solve" "/workspace/builds/worker-46/source", kill_on_drop: false }`
[INFO] [stderr] Cloning into '/workspace/builds/worker-46/source'...
[INFO] [stderr] done.
[INFO] validating manifest of git repo https://github.com/GipsyU/rust_algo_solve 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/GipsyU/rust_algo_solve
[INFO] finished tweaking git repo https://github.com/GipsyU/rust_algo_solve
[INFO] tweaked toml for git repo https://github.com/GipsyU/rust_algo_solve written to /workspace/builds/worker-46/source/Cargo.toml
[INFO] crate git repo https://github.com/GipsyU/rust_algo_solve 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] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-46/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-46/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] 09e7f1914a7c166e4363467bb64aecf7de369964728aef2277126df92a5687fb
[INFO] running `Command { std: "docker" "start" "-a" "09e7f1914a7c166e4363467bb64aecf7de369964728aef2277126df92a5687fb", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "09e7f1914a7c166e4363467bb64aecf7de369964728aef2277126df92a5687fb", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "09e7f1914a7c166e4363467bb64aecf7de369964728aef2277126df92a5687fb", kill_on_drop: false }`
[INFO] [stdout] 09e7f1914a7c166e4363467bb64aecf7de369964728aef2277126df92a5687fb
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-46/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-46/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] 0d776f699c5d05207f34ed9397a30d9e0766cff41c02dc09a7e8881aa5762b11
[INFO] running `Command { std: "docker" "start" "-a" "0d776f699c5d05207f34ed9397a30d9e0766cff41c02dc09a7e8881aa5762b11", kill_on_drop: false }`
[INFO] [stderr]     Blocking waiting for file lock on package cache
[INFO] [stderr]    Compiling template v0.1.0 (/opt/rustwide/workdir/template)
[INFO] [stderr]    Compiling rust_algo_solve v0.1.0 (/opt/rustwide/workdir)
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 1.18s
[INFO] running `Command { std: "docker" "inspect" "0d776f699c5d05207f34ed9397a30d9e0766cff41c02dc09a7e8881aa5762b11", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "0d776f699c5d05207f34ed9397a30d9e0766cff41c02dc09a7e8881aa5762b11", kill_on_drop: false }`
[INFO] [stdout] 0d776f699c5d05207f34ed9397a30d9e0766cff41c02dc09a7e8881aa5762b11
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-46/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-46/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] 98bc1560760580134e644eeb8d9aa4d0859362836a18a4ff5cae2c2db68ee858
[INFO] running `Command { std: "docker" "start" "-a" "98bc1560760580134e644eeb8d9aa4d0859362836a18a4ff5cae2c2db68ee858", kill_on_drop: false }`
[INFO] [stderr]    Compiling rust_algo_solve v0.1.0 (/opt/rustwide/workdir)
[INFO] [stderr]     Finished test [unoptimized + debuginfo] target(s) in 0.51s
[INFO] running `Command { std: "docker" "inspect" "98bc1560760580134e644eeb8d9aa4d0859362836a18a4ff5cae2c2db68ee858", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "98bc1560760580134e644eeb8d9aa4d0859362836a18a4ff5cae2c2db68ee858", kill_on_drop: false }`
[INFO] [stdout] 98bc1560760580134e644eeb8d9aa4d0859362836a18a4ff5cae2c2db68ee858
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-46/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-46/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] 9caf08e96afbca532b0f34c7bcfcddf3340db029bb22243f170fe7a75e5da437
[INFO] running `Command { std: "docker" "start" "-a" "9caf08e96afbca532b0f34c7bcfcddf3340db029bb22243f170fe7a75e5da437", kill_on_drop: false }`
[INFO] [stderr]     Blocking waiting for file lock on package cache
[INFO] [stderr]     Finished test [unoptimized + debuginfo] target(s) in 0.38s
[INFO] [stderr]      Running unittests (/opt/rustwide/target/debug/deps/rust_algo_solve-825d82e5e0810380)
[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" "9caf08e96afbca532b0f34c7bcfcddf3340db029bb22243f170fe7a75e5da437", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "9caf08e96afbca532b0f34c7bcfcddf3340db029bb22243f170fe7a75e5da437", kill_on_drop: false }`
[INFO] [stdout] 9caf08e96afbca532b0f34c7bcfcddf3340db029bb22243f170fe7a75e5da437