[INFO] cloning repository https://github.com/flashdebugger/fundamentals
[INFO] running `Command { std: "git" "-c" "credential.helper=" "-c" "credential.helper=/workspace/cargo-home/bin/git-credential-null" "clone" "--bare" "https://github.com/flashdebugger/fundamentals" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fflashdebugger%2Ffundamentals", kill_on_drop: false }`
[INFO] [stderr] Cloning into bare repository '/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fflashdebugger%2Ffundamentals'...
[INFO] running `Command { std: "git" "rev-parse" "HEAD", kill_on_drop: false }`
[INFO] [stdout] e5ca8cf9a069a89c0c69fc7af252400c868d42c0
[INFO] testing flashdebugger/fundamentals against 1.55.0 for beta-1.56-1
[INFO] running `Command { std: "git" "clone" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fflashdebugger%2Ffundamentals" "/workspace/builds/worker-52/source", kill_on_drop: false }`
[INFO] [stderr] Cloning into '/workspace/builds/worker-52/source'...
[INFO] [stderr] done.
[INFO] validating manifest of git repo https://github.com/flashdebugger/fundamentals 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/flashdebugger/fundamentals
[INFO] finished tweaking git repo https://github.com/flashdebugger/fundamentals
[INFO] tweaked toml for git repo https://github.com/flashdebugger/fundamentals written to /workspace/builds/worker-52/source/Cargo.toml
[INFO] crate git repo https://github.com/flashdebugger/fundamentals 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-52/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-52/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] 1a18298eaaf858b24c042797b6182e050e1ff29da51ad9167602282f82e3848f
[INFO] running `Command { std: "docker" "start" "-a" "1a18298eaaf858b24c042797b6182e050e1ff29da51ad9167602282f82e3848f", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "1a18298eaaf858b24c042797b6182e050e1ff29da51ad9167602282f82e3848f", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "1a18298eaaf858b24c042797b6182e050e1ff29da51ad9167602282f82e3848f", kill_on_drop: false }`
[INFO] [stdout] 1a18298eaaf858b24c042797b6182e050e1ff29da51ad9167602282f82e3848f
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-52/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-52/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] 04304e6f2863cd21d5e6787924c5fb8cab2a552202b1fac71e1f7050be3c0574
[INFO] running `Command { std: "docker" "start" "-a" "04304e6f2863cd21d5e6787924c5fb8cab2a552202b1fac71e1f7050be3c0574", kill_on_drop: false }`
[INFO] [stderr]    Compiling fundamentals v0.1.0 (/opt/rustwide/workdir)
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 0.83s
[INFO] running `Command { std: "docker" "inspect" "04304e6f2863cd21d5e6787924c5fb8cab2a552202b1fac71e1f7050be3c0574", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "04304e6f2863cd21d5e6787924c5fb8cab2a552202b1fac71e1f7050be3c0574", kill_on_drop: false }`
[INFO] [stdout] 04304e6f2863cd21d5e6787924c5fb8cab2a552202b1fac71e1f7050be3c0574
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-52/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-52/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] 8ba7f8e1be76f91a0f0c7145704d2ee32c15765cf4082144eac4271ef60f1896
[INFO] running `Command { std: "docker" "start" "-a" "8ba7f8e1be76f91a0f0c7145704d2ee32c15765cf4082144eac4271ef60f1896", kill_on_drop: false }`
[INFO] [stderr]    Compiling fundamentals v0.1.0 (/opt/rustwide/workdir)
[INFO] [stderr]     Finished test [unoptimized + debuginfo] target(s) in 0.41s
[INFO] running `Command { std: "docker" "inspect" "8ba7f8e1be76f91a0f0c7145704d2ee32c15765cf4082144eac4271ef60f1896", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "8ba7f8e1be76f91a0f0c7145704d2ee32c15765cf4082144eac4271ef60f1896", kill_on_drop: false }`
[INFO] [stdout] 8ba7f8e1be76f91a0f0c7145704d2ee32c15765cf4082144eac4271ef60f1896
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-52/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-52/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] e1d4865714e720bbf3ffb0d687e892331d3e584f528b5d26402d504e6f42f1f4
[INFO] running `Command { std: "docker" "start" "-a" "e1d4865714e720bbf3ffb0d687e892331d3e584f528b5d26402d504e6f42f1f4", kill_on_drop: false }`
[INFO] [stderr]     Blocking waiting for file lock on package cache
[INFO] [stderr]     Finished test [unoptimized + debuginfo] target(s) in 1.19s
[INFO] [stderr]      Running unittests (/opt/rustwide/target/debug/deps/fundamentals-44f2a9b07c7da6bf)
[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" "e1d4865714e720bbf3ffb0d687e892331d3e584f528b5d26402d504e6f42f1f4", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "e1d4865714e720bbf3ffb0d687e892331d3e584f528b5d26402d504e6f42f1f4", kill_on_drop: false }`
[INFO] [stdout] e1d4865714e720bbf3ffb0d687e892331d3e584f528b5d26402d504e6f42f1f4