[INFO] cloning repository https://github.com/sdliv/RUST-Accumulator
[INFO] running `Command { std: "git" "-c" "credential.helper=" "-c" "credential.helper=/workspace/cargo-home/bin/git-credential-null" "clone" "--bare" "https://github.com/sdliv/RUST-Accumulator" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fsdliv%2FRUST-Accumulator", kill_on_drop: false }`
[INFO] [stderr] Cloning into bare repository '/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fsdliv%2FRUST-Accumulator'...
[INFO] running `Command { std: "git" "rev-parse" "HEAD", kill_on_drop: false }`
[INFO] [stdout] d83212ed3c032ea77e3d5f4e0a8834aa6a7b79cd
[INFO] testing sdliv/RUST-Accumulator against 1.55.0 for beta-1.56-1
[INFO] running `Command { std: "git" "clone" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fsdliv%2FRUST-Accumulator" "/workspace/builds/worker-106/source", kill_on_drop: false }`
[INFO] [stderr] Cloning into '/workspace/builds/worker-106/source'...
[INFO] [stderr] done.
[INFO] validating manifest of git repo https://github.com/sdliv/RUST-Accumulator 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/sdliv/RUST-Accumulator
[INFO] finished tweaking git repo https://github.com/sdliv/RUST-Accumulator
[INFO] tweaked toml for git repo https://github.com/sdliv/RUST-Accumulator written to /workspace/builds/worker-106/source/Cargo.toml
[INFO] crate git repo https://github.com/sdliv/RUST-Accumulator 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-106/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-106/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] c3bb26f2cc5cfab741238d6ab14ba3d98389a185e096935429863cc783be661c
[INFO] running `Command { std: "docker" "start" "-a" "c3bb26f2cc5cfab741238d6ab14ba3d98389a185e096935429863cc783be661c", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "c3bb26f2cc5cfab741238d6ab14ba3d98389a185e096935429863cc783be661c", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "c3bb26f2cc5cfab741238d6ab14ba3d98389a185e096935429863cc783be661c", kill_on_drop: false }`
[INFO] [stdout] c3bb26f2cc5cfab741238d6ab14ba3d98389a185e096935429863cc783be661c
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-106/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-106/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] 7f196e05d14e546c4cbdf90f84cb722a4f2bb390bd965e0cc3c174532bdfb35d
[INFO] running `Command { std: "docker" "start" "-a" "7f196e05d14e546c4cbdf90f84cb722a4f2bb390bd965e0cc3c174532bdfb35d", kill_on_drop: false }`
[INFO] [stderr]    Compiling rust_accumulator v0.1.0 (/opt/rustwide/workdir)
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 1.33s
[INFO] running `Command { std: "docker" "inspect" "7f196e05d14e546c4cbdf90f84cb722a4f2bb390bd965e0cc3c174532bdfb35d", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "7f196e05d14e546c4cbdf90f84cb722a4f2bb390bd965e0cc3c174532bdfb35d", kill_on_drop: false }`
[INFO] [stdout] 7f196e05d14e546c4cbdf90f84cb722a4f2bb390bd965e0cc3c174532bdfb35d
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-106/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-106/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] 6bd991c380c98dbd779e0a522b09edfe939ab1292d4efb6fab6ad5306cc19a17
[INFO] running `Command { std: "docker" "start" "-a" "6bd991c380c98dbd779e0a522b09edfe939ab1292d4efb6fab6ad5306cc19a17", kill_on_drop: false }`
[INFO] [stderr]    Compiling rust_accumulator v0.1.0 (/opt/rustwide/workdir)
[INFO] [stderr]     Finished test [unoptimized + debuginfo] target(s) in 0.77s
[INFO] running `Command { std: "docker" "inspect" "6bd991c380c98dbd779e0a522b09edfe939ab1292d4efb6fab6ad5306cc19a17", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "6bd991c380c98dbd779e0a522b09edfe939ab1292d4efb6fab6ad5306cc19a17", kill_on_drop: false }`
[INFO] [stdout] 6bd991c380c98dbd779e0a522b09edfe939ab1292d4efb6fab6ad5306cc19a17
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-106/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-106/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] cbb54ab9b7864dbcd4e8099e23e43cc9d05ec41234f61534ca90943ee458cc39
[INFO] running `Command { std: "docker" "start" "-a" "cbb54ab9b7864dbcd4e8099e23e43cc9d05ec41234f61534ca90943ee458cc39", kill_on_drop: false }`
[INFO] [stderr]     Finished test [unoptimized + debuginfo] target(s) in 0.01s
[INFO] [stderr]      Running unittests (/opt/rustwide/target/debug/deps/rust_accumulator-2b0082620313fa35)
[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" "cbb54ab9b7864dbcd4e8099e23e43cc9d05ec41234f61534ca90943ee458cc39", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "cbb54ab9b7864dbcd4e8099e23e43cc9d05ec41234f61534ca90943ee458cc39", kill_on_drop: false }`
[INFO] [stdout] cbb54ab9b7864dbcd4e8099e23e43cc9d05ec41234f61534ca90943ee458cc39