[INFO] cloning repository https://github.com/shubhadip/rust
[INFO] running `Command { std: "git" "-c" "credential.helper=" "-c" "credential.helper=/workspace/cargo-home/bin/git-credential-null" "clone" "--bare" "https://github.com/shubhadip/rust" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fshubhadip%2Frust", kill_on_drop: false }`
[INFO] [stderr] Cloning into bare repository '/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fshubhadip%2Frust'...
[INFO] running `Command { std: "git" "rev-parse" "HEAD", kill_on_drop: false }`
[INFO] [stdout] 286bd6c5900331e4805560d14c0ce522f1075a53
[INFO] testing shubhadip/rust against 1.55.0 for beta-1.56-1
[INFO] running `Command { std: "git" "clone" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fshubhadip%2Frust" "/workspace/builds/worker-15/source", kill_on_drop: false }`
[INFO] [stderr] Cloning into '/workspace/builds/worker-15/source'...
[INFO] [stderr] done.
[INFO] validating manifest of git repo https://github.com/shubhadip/rust 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/shubhadip/rust
[INFO] finished tweaking git repo https://github.com/shubhadip/rust
[INFO] tweaked toml for git repo https://github.com/shubhadip/rust written to /workspace/builds/worker-15/source/Cargo.toml
[INFO] crate git repo https://github.com/shubhadip/rust 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-15/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-15/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] f3f3e1a6245c5a3b2a5ad5831690223f2a76cb2af152afcfb9b96a4e73aec5f4
[INFO] running `Command { std: "docker" "start" "-a" "f3f3e1a6245c5a3b2a5ad5831690223f2a76cb2af152afcfb9b96a4e73aec5f4", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "f3f3e1a6245c5a3b2a5ad5831690223f2a76cb2af152afcfb9b96a4e73aec5f4", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "f3f3e1a6245c5a3b2a5ad5831690223f2a76cb2af152afcfb9b96a4e73aec5f4", kill_on_drop: false }`
[INFO] [stdout] f3f3e1a6245c5a3b2a5ad5831690223f2a76cb2af152afcfb9b96a4e73aec5f4
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-15/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-15/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] 2fe8cfab069e110963d8da2eba5bdb738bac0d617fd60b0dca00df28028cc172
[INFO] running `Command { std: "docker" "start" "-a" "2fe8cfab069e110963d8da2eba5bdb738bac0d617fd60b0dca00df28028cc172", kill_on_drop: false }`
[INFO] [stderr]    Compiling rust v0.1.0 (/opt/rustwide/workdir)
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 0.70s
[INFO] running `Command { std: "docker" "inspect" "2fe8cfab069e110963d8da2eba5bdb738bac0d617fd60b0dca00df28028cc172", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "2fe8cfab069e110963d8da2eba5bdb738bac0d617fd60b0dca00df28028cc172", kill_on_drop: false }`
[INFO] [stdout] 2fe8cfab069e110963d8da2eba5bdb738bac0d617fd60b0dca00df28028cc172
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-15/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-15/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] 30ff7c427de315df8050458f75e9a99fd57d93cb7cd0fd8f12365db75195dbfa
[INFO] running `Command { std: "docker" "start" "-a" "30ff7c427de315df8050458f75e9a99fd57d93cb7cd0fd8f12365db75195dbfa", kill_on_drop: false }`
[INFO] [stderr]    Compiling rust v0.1.0 (/opt/rustwide/workdir)
[INFO] [stderr]     Finished test [unoptimized + debuginfo] target(s) in 0.83s
[INFO] running `Command { std: "docker" "inspect" "30ff7c427de315df8050458f75e9a99fd57d93cb7cd0fd8f12365db75195dbfa", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "30ff7c427de315df8050458f75e9a99fd57d93cb7cd0fd8f12365db75195dbfa", kill_on_drop: false }`
[INFO] [stdout] 30ff7c427de315df8050458f75e9a99fd57d93cb7cd0fd8f12365db75195dbfa
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-15/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-15/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] ad072f5a66c388b1102f78c20dff0a1616e84f617c87a7a10eded7b71a6cdd2b
[INFO] running `Command { std: "docker" "start" "-a" "ad072f5a66c388b1102f78c20dff0a1616e84f617c87a7a10eded7b71a6cdd2b", kill_on_drop: false }`
[INFO] [stderr]     Blocking waiting for file lock on package cache
[INFO] [stderr]     Finished test [unoptimized + debuginfo] target(s) in 7.86s
[INFO] [stderr]      Running unittests (/opt/rustwide/target/debug/deps/rust-b5d5618e0d061c10)
[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" "ad072f5a66c388b1102f78c20dff0a1616e84f617c87a7a10eded7b71a6cdd2b", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "ad072f5a66c388b1102f78c20dff0a1616e84f617c87a7a10eded7b71a6cdd2b", kill_on_drop: false }`
[INFO] [stdout] ad072f5a66c388b1102f78c20dff0a1616e84f617c87a7a10eded7b71a6cdd2b