[INFO] cloning repository https://github.com/raviqqe/subtyped-hm-type-inference
[INFO] running `Command { std: "git" "-c" "credential.helper=" "-c" "credential.helper=/workspace/cargo-home/bin/git-credential-null" "clone" "--bare" "https://github.com/raviqqe/subtyped-hm-type-inference" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fraviqqe%2Fsubtyped-hm-type-inference", kill_on_drop: false }`
[INFO] [stderr] Cloning into bare repository '/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fraviqqe%2Fsubtyped-hm-type-inference'...
[INFO] running `Command { std: "git" "rev-parse" "HEAD", kill_on_drop: false }`
[INFO] [stdout] 5537748704b5b516f8960faa18639d6b31c2800d
[INFO] testing raviqqe/subtyped-hm-type-inference against beta-2021-09-08 for beta-1.56-1
[INFO] running `Command { std: "git" "clone" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fraviqqe%2Fsubtyped-hm-type-inference" "/workspace/builds/worker-58/source", kill_on_drop: false }`
[INFO] [stderr] Cloning into '/workspace/builds/worker-58/source'...
[INFO] [stderr] done.
[INFO] validating manifest of git repo https://github.com/raviqqe/subtyped-hm-type-inference on toolchain beta-2021-09-08
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+beta-2021-09-08" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }`
[INFO] started tweaking git repo https://github.com/raviqqe/subtyped-hm-type-inference
[INFO] finished tweaking git repo https://github.com/raviqqe/subtyped-hm-type-inference
[INFO] tweaked toml for git repo https://github.com/raviqqe/subtyped-hm-type-inference written to /workspace/builds/worker-58/source/Cargo.toml
[INFO] crate git repo https://github.com/raviqqe/subtyped-hm-type-inference already has a lockfile, it will not be regenerated
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+beta-2021-09-08" "fetch" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] [stderr]     Blocking waiting for file lock on package cache
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-58/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-58/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" "+beta-2021-09-08" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] 4b6a5b482761547800438d1266e79961589e4dea7e65fdcaf1d10f6d9dd9cc8b
[INFO] running `Command { std: "docker" "start" "-a" "4b6a5b482761547800438d1266e79961589e4dea7e65fdcaf1d10f6d9dd9cc8b", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "4b6a5b482761547800438d1266e79961589e4dea7e65fdcaf1d10f6d9dd9cc8b", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "4b6a5b482761547800438d1266e79961589e4dea7e65fdcaf1d10f6d9dd9cc8b", kill_on_drop: false }`
[INFO] [stdout] 4b6a5b482761547800438d1266e79961589e4dea7e65fdcaf1d10f6d9dd9cc8b
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-58/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-58/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" "+beta-2021-09-08" "build" "--frozen" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] bdc4aeea38c40d4181e34da5deeeefbc0587b5125021d7b7fe8cb9e2a4402a74
[INFO] running `Command { std: "docker" "start" "-a" "bdc4aeea38c40d4181e34da5deeeefbc0587b5125021d7b7fe8cb9e2a4402a74", kill_on_drop: false }`
[INFO] [stderr]     Blocking waiting for file lock on package cache
[INFO] [stderr]    Compiling libc v0.2.78
[INFO] [stderr]    Compiling getrandom v0.1.15
[INFO] [stderr]    Compiling ppv-lite86 v0.2.9
[INFO] [stderr]    Compiling rand_core v0.5.1
[INFO] [stderr]    Compiling rand_chacha v0.2.2
[INFO] [stderr]    Compiling rand v0.7.3
[INFO] [stderr]    Compiling hm-type-inference v0.1.0 (/opt/rustwide/workdir)
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 21.65s
[INFO] running `Command { std: "docker" "inspect" "bdc4aeea38c40d4181e34da5deeeefbc0587b5125021d7b7fe8cb9e2a4402a74", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "bdc4aeea38c40d4181e34da5deeeefbc0587b5125021d7b7fe8cb9e2a4402a74", kill_on_drop: false }`
[INFO] [stdout] bdc4aeea38c40d4181e34da5deeeefbc0587b5125021d7b7fe8cb9e2a4402a74
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-58/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-58/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" "+beta-2021-09-08" "test" "--frozen" "--no-run" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] 4b528ee5dae2c36ebbb235a03913f049d282083b89b4be37b996b0e2113a9079
[INFO] running `Command { std: "docker" "start" "-a" "4b528ee5dae2c36ebbb235a03913f049d282083b89b4be37b996b0e2113a9079", kill_on_drop: false }`
[INFO] [stderr]     Blocking waiting for file lock on package cache
[INFO] [stderr]    Compiling hm-type-inference v0.1.0 (/opt/rustwide/workdir)
[INFO] [stderr]     Finished test [unoptimized + debuginfo] target(s) in 0.87s
[INFO] running `Command { std: "docker" "inspect" "4b528ee5dae2c36ebbb235a03913f049d282083b89b4be37b996b0e2113a9079", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "4b528ee5dae2c36ebbb235a03913f049d282083b89b4be37b996b0e2113a9079", kill_on_drop: false }`
[INFO] [stdout] 4b528ee5dae2c36ebbb235a03913f049d282083b89b4be37b996b0e2113a9079
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-58/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-58/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" "+beta-2021-09-08" "test" "--frozen", kill_on_drop: false }`
[INFO] [stdout] 502d8415acec2787fdcb2ce9927fa2facf50acab41ed2a6ac3e55a557ba70df9
[INFO] running `Command { std: "docker" "start" "-a" "502d8415acec2787fdcb2ce9927fa2facf50acab41ed2a6ac3e55a557ba70df9", kill_on_drop: false }`
[INFO] [stderr]     Blocking waiting for file lock on package cache
[INFO] [stderr]     Finished test [unoptimized + debuginfo] target(s) in 8.46s
[INFO] [stderr]      Running unittests (/opt/rustwide/target/debug/deps/hm_type_inference-d5bbab459cedc859)
[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" "502d8415acec2787fdcb2ce9927fa2facf50acab41ed2a6ac3e55a557ba70df9", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "502d8415acec2787fdcb2ce9927fa2facf50acab41ed2a6ac3e55a557ba70df9", kill_on_drop: false }`
[INFO] [stdout] 502d8415acec2787fdcb2ce9927fa2facf50acab41ed2a6ac3e55a557ba70df9