[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 master#5d5ff84130da0d74c6ece368dbe821d8f83fa526 for pr-79296
[INFO] running `Command { std: "git" "clone" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fmlajszczak%2Ftype_check" "/workspace/builds/worker-8/source", kill_on_drop: false }`
[INFO] [stderr] Cloning into '/workspace/builds/worker-8/source'...
[INFO] [stderr] done.
[INFO] validating manifest of git repo https://github.com/mlajszczak/type_check on toolchain 5d5ff84130da0d74c6ece368dbe821d8f83fa526
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+5d5ff84130da0d74c6ece368dbe821d8f83fa526" "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-8/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" "+5d5ff84130da0d74c6ece368dbe821d8f83fa526" "fetch" "--locked" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-8/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-8/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" "rustops/crates-build-env@sha256:6eabd152ff4036248d66efda456a36cb33d24b7291b33f25f75140726c88da35" "/opt/rustwide/cargo-home/bin/cargo" "+5d5ff84130da0d74c6ece368dbe821d8f83fa526" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] 93dd18dab5bf9f5fcd4595eea03425a6b67fd8e054f8f5f6722c8e27d5841256
[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" "93dd18dab5bf9f5fcd4595eea03425a6b67fd8e054f8f5f6722c8e27d5841256", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "93dd18dab5bf9f5fcd4595eea03425a6b67fd8e054f8f5f6722c8e27d5841256", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "93dd18dab5bf9f5fcd4595eea03425a6b67fd8e054f8f5f6722c8e27d5841256", kill_on_drop: false }`
[INFO] [stdout] 93dd18dab5bf9f5fcd4595eea03425a6b67fd8e054f8f5f6722c8e27d5841256
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-8/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-8/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=forbid" "-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" "rustops/crates-build-env@sha256:6eabd152ff4036248d66efda456a36cb33d24b7291b33f25f75140726c88da35" "/opt/rustwide/cargo-home/bin/cargo" "+5d5ff84130da0d74c6ece368dbe821d8f83fa526" "build" "--frozen" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] a5692f43ee747bc16ce8e3df9b2cab21bbb44c5f704ead5bacc57bbdeda6aaa4
[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" "a5692f43ee747bc16ce8e3df9b2cab21bbb44c5f704ead5bacc57bbdeda6aaa4", kill_on_drop: false }`
[INFO] [stderr]    Compiling type_check v0.1.0 (/opt/rustwide/workdir)
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 2.01s
[INFO] running `Command { std: "docker" "inspect" "a5692f43ee747bc16ce8e3df9b2cab21bbb44c5f704ead5bacc57bbdeda6aaa4", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "a5692f43ee747bc16ce8e3df9b2cab21bbb44c5f704ead5bacc57bbdeda6aaa4", kill_on_drop: false }`
[INFO] [stdout] a5692f43ee747bc16ce8e3df9b2cab21bbb44c5f704ead5bacc57bbdeda6aaa4
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-8/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-8/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=forbid" "-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" "rustops/crates-build-env@sha256:6eabd152ff4036248d66efda456a36cb33d24b7291b33f25f75140726c88da35" "/opt/rustwide/cargo-home/bin/cargo" "+5d5ff84130da0d74c6ece368dbe821d8f83fa526" "test" "--frozen" "--no-run" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] 49d9aec1a5242dd6d6fbd7ff3e65fabbd40c0313babf9b30630143160e9e29b7
[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" "49d9aec1a5242dd6d6fbd7ff3e65fabbd40c0313babf9b30630143160e9e29b7", kill_on_drop: false }`
[INFO] [stderr]    Compiling type_check v0.1.0 (/opt/rustwide/workdir)
[INFO] [stderr]     Finished test [unoptimized + debuginfo] target(s) in 1.98s
[INFO] running `Command { std: "docker" "inspect" "49d9aec1a5242dd6d6fbd7ff3e65fabbd40c0313babf9b30630143160e9e29b7", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "49d9aec1a5242dd6d6fbd7ff3e65fabbd40c0313babf9b30630143160e9e29b7", kill_on_drop: false }`
[INFO] [stdout] 49d9aec1a5242dd6d6fbd7ff3e65fabbd40c0313babf9b30630143160e9e29b7
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-8/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-8/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=forbid" "-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" "rustops/crates-build-env@sha256:6eabd152ff4036248d66efda456a36cb33d24b7291b33f25f75140726c88da35" "/opt/rustwide/cargo-home/bin/cargo" "+5d5ff84130da0d74c6ece368dbe821d8f83fa526" "test" "--frozen", kill_on_drop: false }`
[INFO] [stdout] e3800e6aeed769ffca963197ebdf35d1ad55e8f3cb8e83135d5da99baee2cce4
[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" "e3800e6aeed769ffca963197ebdf35d1ad55e8f3cb8e83135d5da99baee2cce4", kill_on_drop: false }`
[INFO] [stderr]     Finished test [unoptimized + debuginfo] target(s) in 0.03s
[INFO] [stdout] 
[INFO] [stderr]      Running /opt/rustwide/target/debug/deps/type_check-6fe0a7f86b5c85ce
[INFO] [stdout] running 15 tests
[INFO] [stdout] test tests::compose::no_common_variables ... ok
[INFO] [stdout] test tests::apply::empty_substitution ... ok
[INFO] [stdout] test tests::unify::specifying_constraints ... ok
[INFO] [stdout] test tests::unify::simple_fail ... ok
[INFO] [stdout] test tests::unify::simple_arrow_constraints ... ok
[INFO] [stdout] test tests::compose::complex_composition ... ok
[INFO] [stdout] test tests::compose::neutralize_fist_subs ... ok
[INFO] [stdout] test tests::unify::transitive_constraints ... ok
[INFO] [stdout] test tests::apply::complex_type ... ok
[INFO] [stdout] test tests::unify::recursive_constraints ... ok
[INFO] [stdout] test tests::unify::empty_set ... ok
[INFO] [stdout] test tests::apply::no_common_variables ... ok
[INFO] [stdout] test tests::apply::type_without_variables ... ok
[INFO] [stdout] test tests::apply::variable_type ... ok
[INFO] [stdout] test tests::compose::inverting_subs ... 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-30b87708c08b0836
[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" "e3800e6aeed769ffca963197ebdf35d1ad55e8f3cb8e83135d5da99baee2cce4", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "e3800e6aeed769ffca963197ebdf35d1ad55e8f3cb8e83135d5da99baee2cce4", kill_on_drop: false }`
[INFO] [stdout] e3800e6aeed769ffca963197ebdf35d1ad55e8f3cb8e83135d5da99baee2cce4