[INFO] cloning repository https://github.com/mlajszczak/type_check
[INFO] running `Command { std: "git" "-c" "credential.helper=" "-c" "credential.helper=/workspace/cargo-home/bin/git-credential-null" "clone" "--bare" "https://github.com/mlajszczak/type_check" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fmlajszczak%2Ftype_check", kill_on_drop: false }`
[INFO] [stderr] Cloning into bare repository '/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fmlajszczak%2Ftype_check'...
[INFO] running `Command { std: "git" "rev-parse" "HEAD", kill_on_drop: false }`
[INFO] [stdout] 9489baf1661e51f6c4218fbf637484c19f780157
[INFO] testing mlajszczak/type_check 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%2Fmlajszczak%2Ftype_check" "/workspace/builds/worker-11/source", kill_on_drop: false }`
[INFO] [stderr] Cloning into '/workspace/builds/worker-11/source'...
[INFO] [stderr] done.
[INFO] validating manifest of git repo https://github.com/mlajszczak/type_check 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/mlajszczak/type_check
[INFO] finished tweaking git repo https://github.com/mlajszczak/type_check
[INFO] tweaked toml for git repo https://github.com/mlajszczak/type_check written to /workspace/builds/worker-11/source/Cargo.toml
[INFO] crate git repo https://github.com/mlajszczak/type_check 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] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-11/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-11/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] f8e03d4e8f0439d0fdadf83e4371efe01c07230482319e37cc8a690bae50b083
[INFO] running `Command { std: "docker" "start" "-a" "f8e03d4e8f0439d0fdadf83e4371efe01c07230482319e37cc8a690bae50b083", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "f8e03d4e8f0439d0fdadf83e4371efe01c07230482319e37cc8a690bae50b083", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "f8e03d4e8f0439d0fdadf83e4371efe01c07230482319e37cc8a690bae50b083", kill_on_drop: false }`
[INFO] [stdout] f8e03d4e8f0439d0fdadf83e4371efe01c07230482319e37cc8a690bae50b083
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-11/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-11/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] 082a55277eba5a74f4b59ec1de2e20e862113e69486b6b0433e3bb49afd18eb9
[INFO] running `Command { std: "docker" "start" "-a" "082a55277eba5a74f4b59ec1de2e20e862113e69486b6b0433e3bb49afd18eb9", kill_on_drop: false }`
[INFO] [stderr]    Compiling type_check v0.1.0 (/opt/rustwide/workdir)
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 1.27s
[INFO] running `Command { std: "docker" "inspect" "082a55277eba5a74f4b59ec1de2e20e862113e69486b6b0433e3bb49afd18eb9", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "082a55277eba5a74f4b59ec1de2e20e862113e69486b6b0433e3bb49afd18eb9", kill_on_drop: false }`
[INFO] [stdout] 082a55277eba5a74f4b59ec1de2e20e862113e69486b6b0433e3bb49afd18eb9
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-11/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-11/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] 8aa928c505ac5b9cdcf58334e9f08879b4c2cc9ca2f556e379a1ed657e34871e
[INFO] running `Command { std: "docker" "start" "-a" "8aa928c505ac5b9cdcf58334e9f08879b4c2cc9ca2f556e379a1ed657e34871e", kill_on_drop: false }`
[INFO] [stderr]    Compiling type_check v0.1.0 (/opt/rustwide/workdir)
[INFO] [stderr]     Finished test [unoptimized + debuginfo] target(s) in 1.27s
[INFO] running `Command { std: "docker" "inspect" "8aa928c505ac5b9cdcf58334e9f08879b4c2cc9ca2f556e379a1ed657e34871e", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "8aa928c505ac5b9cdcf58334e9f08879b4c2cc9ca2f556e379a1ed657e34871e", kill_on_drop: false }`
[INFO] [stdout] 8aa928c505ac5b9cdcf58334e9f08879b4c2cc9ca2f556e379a1ed657e34871e
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-11/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-11/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] 6b59821b1c3e6501d442aeeefb5fd04c4150f80b7104f36568a2c50dfe4402ca
[INFO] running `Command { std: "docker" "start" "-a" "6b59821b1c3e6501d442aeeefb5fd04c4150f80b7104f36568a2c50dfe4402ca", kill_on_drop: false }`
[INFO] [stderr]     Finished test [unoptimized + debuginfo] target(s) in 0.01s
[INFO] [stdout] 
[INFO] [stderr]      Running unittests (/opt/rustwide/target/debug/deps/type_check-1b03a8dacc5dbec8)
[INFO] [stdout] running 15 tests
[INFO] [stdout] test tests::apply::complex_type ... ok
[INFO] [stdout] test tests::compose::complex_composition ... ok
[INFO] [stdout] test tests::unify::simple_arrow_constraints ... ok
[INFO] [stdout] test tests::unify::recursive_constraints ... ok
[INFO] [stdout] test tests::unify::empty_set ... ok
[INFO] [stdout] test tests::compose::inverting_subs ... ok
[INFO] [stdout] test tests::compose::neutralize_fist_subs ... ok
[INFO] [stdout] test tests::apply::empty_substitution ... ok
[INFO] [stdout] test tests::unify::simple_fail ... ok
[INFO] [stdout] test tests::apply::no_common_variables ... ok
[INFO] [stderr]      Running unittests (/opt/rustwide/target/debug/deps/type_check-082bf1b303c62772)
[INFO] [stdout] test tests::compose::no_common_variables ... ok
[INFO] [stdout] test tests::unify::specifying_constraints ... ok
[INFO] [stdout] test tests::apply::variable_type ... ok
[INFO] [stdout] test tests::apply::type_without_variables ... ok
[INFO] [stdout] test tests::unify::transitive_constraints ... ok
[INFO] [stdout] 
[INFO] [stdout] test result: ok. 15 passed; 0 failed; 0 ignored; 0 measured; 0 filtered out; finished in 0.03s
[INFO] [stdout] 
[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] [stderr]    Doc-tests type_check
[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" "6b59821b1c3e6501d442aeeefb5fd04c4150f80b7104f36568a2c50dfe4402ca", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "6b59821b1c3e6501d442aeeefb5fd04c4150f80b7104f36568a2c50dfe4402ca", kill_on_drop: false }`
[INFO] [stdout] 6b59821b1c3e6501d442aeeefb5fd04c4150f80b7104f36568a2c50dfe4402ca