[INFO] updating cached 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" "-c" "remote.origin.fetch=refs/heads/*:refs/heads/*" "fetch" "origin" "--force" "--prune", kill_on_drop: false }`
[INFO] running `Command { std: "git" "rev-parse" "HEAD", kill_on_drop: false }`
[INFO] [stdout] 9489baf1661e51f6c4218fbf637484c19f780157
[INFO] testing mlajszczak/type_check against master#8534be72fc3b9c5f2f2dc4e4ee7b651a008e9a3e for pr-74409
[INFO] running `Command { std: "git" "clone" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fmlajszczak%2Ftype_check" "/workspace/builds/worker-14/source", kill_on_drop: false }`
[INFO] [stderr] Cloning into '/workspace/builds/worker-14/source'...
[INFO] [stderr] done.
[INFO] validating manifest of git repo https://github.com/mlajszczak/type_check on toolchain 8534be72fc3b9c5f2f2dc4e4ee7b651a008e9a3e
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+8534be72fc3b9c5f2f2dc4e4ee7b651a008e9a3e" "read-manifest" "--manifest-path" "Cargo.toml", 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-14/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" "+8534be72fc3b9c5f2f2dc4e4ee7b651a008e9a3e" "fetch" "--locked" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-14/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-14/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" "MAP_USER_ID=0" "-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" "--network" "none" "rustops/crates-build-env@sha256:a636fd89d022f18117e1dc8fb37a0a009933cdbbe082814857f0e2024962d47c" "/opt/rustwide/cargo-home/bin/cargo" "+8534be72fc3b9c5f2f2dc4e4ee7b651a008e9a3e" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] 4655b7901533624b12a1fb363813672c66dc8c14c9e9968e49cadf09c7b3239a
[INFO] [stderr] WARNING: Your kernel does not support swap limit capabilities or the cgroup is not mounted. Memory limited without swap.
[INFO] running `Command { std: "docker" "start" "-a" "4655b7901533624b12a1fb363813672c66dc8c14c9e9968e49cadf09c7b3239a", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "4655b7901533624b12a1fb363813672c66dc8c14c9e9968e49cadf09c7b3239a", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "4655b7901533624b12a1fb363813672c66dc8c14c9e9968e49cadf09c7b3239a", kill_on_drop: false }`
[INFO] [stdout] 4655b7901533624b12a1fb363813672c66dc8c14c9e9968e49cadf09c7b3239a
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-14/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-14/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" "MAP_USER_ID=0" "-e" "CARGO_TARGET_DIR=/opt/rustwide/target" "-e" "CARGO_INCREMENTAL=0" "-e" "RUST_BACKTRACE=full" "-e" "RUSTFLAGS=--cap-lints=forbid" "-e" "CARGO_HOME=/opt/rustwide/cargo-home" "-e" "RUSTUP_HOME=/opt/rustwide/rustup-home" "-w" "/opt/rustwide/workdir" "-m" "1610612736" "--network" "none" "rustops/crates-build-env@sha256:a636fd89d022f18117e1dc8fb37a0a009933cdbbe082814857f0e2024962d47c" "/opt/rustwide/cargo-home/bin/cargo" "+8534be72fc3b9c5f2f2dc4e4ee7b651a008e9a3e" "build" "--frozen" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] 4774224cd8c9841e6f3ba2432aa9da74462a8dc3a503df0a714f4b9ff80e3f1e
[INFO] [stderr] WARNING: Your kernel does not support swap limit capabilities or the cgroup is not mounted. Memory limited without swap.
[INFO] running `Command { std: "docker" "start" "-a" "4774224cd8c9841e6f3ba2432aa9da74462a8dc3a503df0a714f4b9ff80e3f1e", kill_on_drop: false }`
[INFO] [stderr]    Compiling type_check v0.1.0 (/opt/rustwide/workdir)
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 1.63s
[INFO] running `Command { std: "docker" "inspect" "4774224cd8c9841e6f3ba2432aa9da74462a8dc3a503df0a714f4b9ff80e3f1e", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "4774224cd8c9841e6f3ba2432aa9da74462a8dc3a503df0a714f4b9ff80e3f1e", kill_on_drop: false }`
[INFO] [stdout] 4774224cd8c9841e6f3ba2432aa9da74462a8dc3a503df0a714f4b9ff80e3f1e
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-14/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-14/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" "MAP_USER_ID=0" "-e" "CARGO_TARGET_DIR=/opt/rustwide/target" "-e" "CARGO_INCREMENTAL=0" "-e" "RUST_BACKTRACE=full" "-e" "RUSTFLAGS=--cap-lints=forbid" "-e" "CARGO_HOME=/opt/rustwide/cargo-home" "-e" "RUSTUP_HOME=/opt/rustwide/rustup-home" "-w" "/opt/rustwide/workdir" "-m" "1610612736" "--network" "none" "rustops/crates-build-env@sha256:a636fd89d022f18117e1dc8fb37a0a009933cdbbe082814857f0e2024962d47c" "/opt/rustwide/cargo-home/bin/cargo" "+8534be72fc3b9c5f2f2dc4e4ee7b651a008e9a3e" "test" "--frozen" "--no-run" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] 70d2a56d54f36032b04d276d9ae49c97fd8f6f05e2592d255f5f603706c341ac
[INFO] [stderr] WARNING: Your kernel does not support swap limit capabilities or the cgroup is not mounted. Memory limited without swap.
[INFO] running `Command { std: "docker" "start" "-a" "70d2a56d54f36032b04d276d9ae49c97fd8f6f05e2592d255f5f603706c341ac", kill_on_drop: false }`
[INFO] [stderr]    Compiling type_check v0.1.0 (/opt/rustwide/workdir)
[INFO] [stderr]     Finished test [unoptimized + debuginfo] target(s) in 1.73s
[INFO] running `Command { std: "docker" "inspect" "70d2a56d54f36032b04d276d9ae49c97fd8f6f05e2592d255f5f603706c341ac", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "70d2a56d54f36032b04d276d9ae49c97fd8f6f05e2592d255f5f603706c341ac", kill_on_drop: false }`
[INFO] [stdout] 70d2a56d54f36032b04d276d9ae49c97fd8f6f05e2592d255f5f603706c341ac
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-14/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-14/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" "MAP_USER_ID=0" "-e" "CARGO_TARGET_DIR=/opt/rustwide/target" "-e" "CARGO_INCREMENTAL=0" "-e" "RUST_BACKTRACE=full" "-e" "RUSTFLAGS=--cap-lints=forbid" "-e" "CARGO_HOME=/opt/rustwide/cargo-home" "-e" "RUSTUP_HOME=/opt/rustwide/rustup-home" "-w" "/opt/rustwide/workdir" "-m" "1610612736" "--network" "none" "rustops/crates-build-env@sha256:a636fd89d022f18117e1dc8fb37a0a009933cdbbe082814857f0e2024962d47c" "/opt/rustwide/cargo-home/bin/cargo" "+8534be72fc3b9c5f2f2dc4e4ee7b651a008e9a3e" "test" "--frozen", kill_on_drop: false }`
[INFO] [stdout] f6d3de3e439b48badb35efa5c4d0ad68aa2f0377b88cbd498c4a70cf399bafa4
[INFO] [stderr] WARNING: Your kernel does not support swap limit capabilities or the cgroup is not mounted. Memory limited without swap.
[INFO] running `Command { std: "docker" "start" "-a" "f6d3de3e439b48badb35efa5c4d0ad68aa2f0377b88cbd498c4a70cf399bafa4", kill_on_drop: false }`
[INFO] [stderr]     Finished test [unoptimized + debuginfo] target(s) in 0.04s
[INFO] [stderr]      Running /opt/rustwide/target/debug/deps/type_check-13b59e582e041943
[INFO] [stdout] 
[INFO] [stdout] running 15 tests
[INFO] [stdout] test tests::apply::variable_type ... ok
[INFO] [stdout] test tests::unify::recursive_constraints ... ok
[INFO] [stdout] test tests::compose::inverting_subs ... ok
[INFO] [stdout] test tests::unify::simple_fail ... ok
[INFO] [stdout] test tests::apply::empty_substitution ... ok
[INFO] [stdout] test tests::apply::no_common_variables ... ok
[INFO] [stdout] test tests::unify::empty_set ... ok
[INFO] [stdout] test tests::compose::neutralize_fist_subs ... ok
[INFO] [stdout] test tests::unify::specifying_constraints ... ok
[INFO] [stdout] test tests::compose::no_common_variables ... ok
[INFO] [stdout] test tests::compose::complex_composition ... ok
[INFO] [stdout] test tests::apply::type_without_variables ... ok
[INFO] [stdout] test tests::unify::transitive_constraints ... ok
[INFO] [stdout] test tests::apply::complex_type ... ok
[INFO] [stdout] test tests::unify::simple_arrow_constraints ... ok
[INFO] [stdout] 
[INFO] [stdout] test result: ok. 15 passed; 0 failed; 0 ignored; 0 measured; 0 filtered out
[INFO] [stdout] 
[INFO] [stderr]      Running /opt/rustwide/target/debug/deps/type_check-12e683840119e068
[INFO] [stdout] 
[INFO] [stderr]    Doc-tests type_check
[INFO] [stdout] running 0 tests
[INFO] [stdout] 
[INFO] [stdout] test result: ok. 0 passed; 0 failed; 0 ignored; 0 measured; 0 filtered out
[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
[INFO] [stdout] 
[INFO] running `Command { std: "docker" "inspect" "f6d3de3e439b48badb35efa5c4d0ad68aa2f0377b88cbd498c4a70cf399bafa4", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "f6d3de3e439b48badb35efa5c4d0ad68aa2f0377b88cbd498c4a70cf399bafa4", kill_on_drop: false }`
[INFO] [stdout] f6d3de3e439b48badb35efa5c4d0ad68aa2f0377b88cbd498c4a70cf399bafa4