[INFO] cloning repository https://github.com/kumar2000s/rust_projects
[INFO] running `Command { std: "git" "-c" "credential.helper=" "-c" "credential.helper=/workspace/cargo-home/bin/git-credential-null" "clone" "--bare" "https://github.com/kumar2000s/rust_projects" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fkumar2000s%2Frust_projects", kill_on_drop: false }`
[INFO] [stderr] Cloning into bare repository '/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fkumar2000s%2Frust_projects'...
[INFO] running `Command { std: "git" "rev-parse" "HEAD", kill_on_drop: false }`
[INFO] [stdout] 3a1fc19bca339560d8dd3c11b756d039413b73e8
[INFO] testing kumar2000s/rust_projects against 1.55.0 for beta-1.56-1
[INFO] running `Command { std: "git" "clone" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fkumar2000s%2Frust_projects" "/workspace/builds/worker-102/source", kill_on_drop: false }`
[INFO] [stderr] Cloning into '/workspace/builds/worker-102/source'...
[INFO] [stderr] done.
[INFO] validating manifest of git repo https://github.com/kumar2000s/rust_projects 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/kumar2000s/rust_projects
[INFO] finished tweaking git repo https://github.com/kumar2000s/rust_projects
[INFO] tweaked toml for git repo https://github.com/kumar2000s/rust_projects written to /workspace/builds/worker-102/source/Cargo.toml
[INFO] crate git repo https://github.com/kumar2000s/rust_projects 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-102/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-102/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] 9ce5e8b88e4a27db72960c1a32af77cd9f9d8f6d1bd0f1ea45933c871805d647
[INFO] running `Command { std: "docker" "start" "-a" "9ce5e8b88e4a27db72960c1a32af77cd9f9d8f6d1bd0f1ea45933c871805d647", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "9ce5e8b88e4a27db72960c1a32af77cd9f9d8f6d1bd0f1ea45933c871805d647", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "9ce5e8b88e4a27db72960c1a32af77cd9f9d8f6d1bd0f1ea45933c871805d647", kill_on_drop: false }`
[INFO] [stdout] 9ce5e8b88e4a27db72960c1a32af77cd9f9d8f6d1bd0f1ea45933c871805d647
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-102/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-102/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] 9f602c892f180507d3ee4778b6b4b2a127b66dde725ce00556a2a420f11a2d3e
[INFO] running `Command { std: "docker" "start" "-a" "9f602c892f180507d3ee4778b6b4b2a127b66dde725ce00556a2a420f11a2d3e", kill_on_drop: false }`
[INFO] [stderr]     Blocking waiting for file lock on package cache
[INFO] [stderr]    Compiling basic v0.1.0 (/opt/rustwide/workdir)
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 30.86s
[INFO] running `Command { std: "docker" "inspect" "9f602c892f180507d3ee4778b6b4b2a127b66dde725ce00556a2a420f11a2d3e", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "9f602c892f180507d3ee4778b6b4b2a127b66dde725ce00556a2a420f11a2d3e", kill_on_drop: false }`
[INFO] [stdout] 9f602c892f180507d3ee4778b6b4b2a127b66dde725ce00556a2a420f11a2d3e
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-102/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-102/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] 1aff2d08e7ec987fb0be008c58714c6e860742e49b8bd16709a98e887e9af2f7
[INFO] running `Command { std: "docker" "start" "-a" "1aff2d08e7ec987fb0be008c58714c6e860742e49b8bd16709a98e887e9af2f7", kill_on_drop: false }`
[INFO] [stderr]     Blocking waiting for file lock on package cache
[INFO] [stderr]    Compiling basic v0.1.0 (/opt/rustwide/workdir)
[INFO] [stderr]     Finished test [unoptimized + debuginfo] target(s) in 1.20s
[INFO] running `Command { std: "docker" "inspect" "1aff2d08e7ec987fb0be008c58714c6e860742e49b8bd16709a98e887e9af2f7", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "1aff2d08e7ec987fb0be008c58714c6e860742e49b8bd16709a98e887e9af2f7", kill_on_drop: false }`
[INFO] [stdout] 1aff2d08e7ec987fb0be008c58714c6e860742e49b8bd16709a98e887e9af2f7
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-102/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-102/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] 98f7548ddabce36573e32f74ab7ef90be35354f034e48c5cbb17c47ef4737f5a
[INFO] running `Command { std: "docker" "start" "-a" "98f7548ddabce36573e32f74ab7ef90be35354f034e48c5cbb17c47ef4737f5a", kill_on_drop: false }`
[INFO] [stderr]     Blocking waiting for file lock on package cache
[INFO] [stderr]     Finished test [unoptimized + debuginfo] target(s) in 0.74s
[INFO] [stderr]      Running unittests (/opt/rustwide/target/debug/deps/basic-f1bdca1abca3a873)
[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" "98f7548ddabce36573e32f74ab7ef90be35354f034e48c5cbb17c47ef4737f5a", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "98f7548ddabce36573e32f74ab7ef90be35354f034e48c5cbb17c47ef4737f5a", kill_on_drop: false }`
[INFO] [stdout] 98f7548ddabce36573e32f74ab7ef90be35354f034e48c5cbb17c47ef4737f5a