[INFO] cloning repository https://github.com/simbo1905/extension_methods
[INFO] running `Command { std: "git" "-c" "credential.helper=" "-c" "credential.helper=/workspace/cargo-home/bin/git-credential-null" "clone" "--bare" "https://github.com/simbo1905/extension_methods" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fsimbo1905%2Fextension_methods", kill_on_drop: false }`
[INFO] [stderr] Cloning into bare repository '/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fsimbo1905%2Fextension_methods'...
[INFO] running `Command { std: "git" "rev-parse" "HEAD", kill_on_drop: false }`
[INFO] [stdout] 296854516f81850d2dd31dfec6ea8f4ac3d45957
[INFO] testing simbo1905/extension_methods against 1.55.0 for beta-1.56-1
[INFO] running `Command { std: "git" "clone" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fsimbo1905%2Fextension_methods" "/workspace/builds/worker-12/source", kill_on_drop: false }`
[INFO] [stderr] Cloning into '/workspace/builds/worker-12/source'...
[INFO] [stderr] done.
[INFO] validating manifest of git repo https://github.com/simbo1905/extension_methods 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/simbo1905/extension_methods
[INFO] finished tweaking git repo https://github.com/simbo1905/extension_methods
[INFO] tweaked toml for git repo https://github.com/simbo1905/extension_methods written to /workspace/builds/worker-12/source/Cargo.toml
[INFO] crate git repo https://github.com/simbo1905/extension_methods 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] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-12/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-12/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] e3d2c73d04551369912189a919463198db3aa3d77c4b6e53e5778f3808ff59e1
[INFO] running `Command { std: "docker" "start" "-a" "e3d2c73d04551369912189a919463198db3aa3d77c4b6e53e5778f3808ff59e1", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "e3d2c73d04551369912189a919463198db3aa3d77c4b6e53e5778f3808ff59e1", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "e3d2c73d04551369912189a919463198db3aa3d77c4b6e53e5778f3808ff59e1", kill_on_drop: false }`
[INFO] [stdout] e3d2c73d04551369912189a919463198db3aa3d77c4b6e53e5778f3808ff59e1
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-12/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-12/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] 7a986a609604e09ec1254f2dcbe01b84ec231236d943febc12420abeffca223e
[INFO] running `Command { std: "docker" "start" "-a" "7a986a609604e09ec1254f2dcbe01b84ec231236d943febc12420abeffca223e", kill_on_drop: false }`
[INFO] [stderr]    Compiling unicode-xid v0.0.4
[INFO] [stderr]    Compiling quote v0.3.15
[INFO] [stderr]    Compiling dtoa v0.4.1
[INFO] [stderr]    Compiling serde v1.0.10
[INFO] [stderr]    Compiling itoa v0.3.1
[INFO] [stderr]    Compiling num-traits v0.1.39
[INFO] [stderr]    Compiling some_library v0.1.0 (/opt/rustwide/workdir/some_library)
[INFO] [stderr]    Compiling synom v0.11.3
[INFO] [stderr]    Compiling syn v0.11.11
[INFO] [stderr]    Compiling serde_derive_internals v0.15.1
[INFO] [stderr]    Compiling serde_derive v1.0.10
[INFO] [stderr]    Compiling serde_json v1.0.2
[INFO] [stderr]    Compiling some_extension v0.1.0 (/opt/rustwide/workdir/some_extension)
[INFO] [stderr]    Compiling extension_methods v0.1.0 (/opt/rustwide/workdir)
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 4.69s
[INFO] running `Command { std: "docker" "inspect" "7a986a609604e09ec1254f2dcbe01b84ec231236d943febc12420abeffca223e", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "7a986a609604e09ec1254f2dcbe01b84ec231236d943febc12420abeffca223e", kill_on_drop: false }`
[INFO] [stdout] 7a986a609604e09ec1254f2dcbe01b84ec231236d943febc12420abeffca223e
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-12/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-12/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] d745da5ce1e717ea77be6d75cc1c001b6209d9f94ef2d396486224ed3ed84e15
[INFO] running `Command { std: "docker" "start" "-a" "d745da5ce1e717ea77be6d75cc1c001b6209d9f94ef2d396486224ed3ed84e15", kill_on_drop: false }`
[INFO] [stderr]    Compiling extension_methods v0.1.0 (/opt/rustwide/workdir)
[INFO] [stderr]     Finished test [unoptimized + debuginfo] target(s) in 0.30s
[INFO] running `Command { std: "docker" "inspect" "d745da5ce1e717ea77be6d75cc1c001b6209d9f94ef2d396486224ed3ed84e15", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "d745da5ce1e717ea77be6d75cc1c001b6209d9f94ef2d396486224ed3ed84e15", kill_on_drop: false }`
[INFO] [stdout] d745da5ce1e717ea77be6d75cc1c001b6209d9f94ef2d396486224ed3ed84e15
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-12/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-12/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] ff94787a3c150a06dc3a77623898c084c9d32bd8f67bc68dc69e1e4ac1ec18d3
[INFO] running `Command { std: "docker" "start" "-a" "ff94787a3c150a06dc3a77623898c084c9d32bd8f67bc68dc69e1e4ac1ec18d3", kill_on_drop: false }`
[INFO] [stderr]     Finished test [unoptimized + debuginfo] target(s) in 0.01s
[INFO] [stderr]      Running unittests (/opt/rustwide/target/debug/deps/extension_methods-7c0ac9df95219f32)
[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" "ff94787a3c150a06dc3a77623898c084c9d32bd8f67bc68dc69e1e4ac1ec18d3", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "ff94787a3c150a06dc3a77623898c084c9d32bd8f67bc68dc69e1e4ac1ec18d3", kill_on_drop: false }`
[INFO] [stdout] ff94787a3c150a06dc3a77623898c084c9d32bd8f67bc68dc69e1e4ac1ec18d3