[INFO] fetching crate rusttyc 0.4.2...
[INFO] testing rusttyc-0.4.2 against 1.55.0 for beta-1.56-1
[INFO] extracting crate rusttyc 0.4.2 into /workspace/builds/worker-4/source
[INFO] validating manifest of crates.io crate rusttyc 0.4.2 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 crates.io crate rusttyc 0.4.2
[INFO] removed 0 missing examples
[INFO] finished tweaking crates.io crate rusttyc 0.4.2
[INFO] tweaked toml for crates.io crate rusttyc 0.4.2 written to /workspace/builds/worker-4/source/Cargo.toml
[INFO] crate crates.io crate rusttyc 0.4.2 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-4/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-4/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] 793cea10dc7a477a0eea36cc143ce0a7e0f30f67b16f95363f0922b9780f10f9
[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" "793cea10dc7a477a0eea36cc143ce0a7e0f30f67b16f95363f0922b9780f10f9", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "793cea10dc7a477a0eea36cc143ce0a7e0f30f67b16f95363f0922b9780f10f9", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "793cea10dc7a477a0eea36cc143ce0a7e0f30f67b16f95363f0922b9780f10f9", kill_on_drop: false }`
[INFO] [stdout] 793cea10dc7a477a0eea36cc143ce0a7e0f30f67b16f95363f0922b9780f10f9
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-4/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-4/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] [stderr] WARNING: Your kernel does not support swap limit capabilities or the cgroup is not mounted. Memory limited without swap.
[INFO] [stdout] faf36366c135a247686a07e76a2809e8d457f045c4d8e9a51a458b23a7c9e586
[INFO] running `Command { std: "docker" "start" "-a" "faf36366c135a247686a07e76a2809e8d457f045c4d8e9a51a458b23a7c9e586", kill_on_drop: false }`
[INFO] [stderr]    Compiling rusttyc v0.4.2 (/opt/rustwide/workdir)
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 1.16s
[INFO] running `Command { std: "docker" "inspect" "faf36366c135a247686a07e76a2809e8d457f045c4d8e9a51a458b23a7c9e586", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "faf36366c135a247686a07e76a2809e8d457f045c4d8e9a51a458b23a7c9e586", kill_on_drop: false }`
[INFO] [stdout] faf36366c135a247686a07e76a2809e8d457f045c4d8e9a51a458b23a7c9e586
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-4/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-4/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] 0dc24d9b09233d9c6cf352207a5d5756a75894b0e311979059e5a8fc4dd48b09
[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" "0dc24d9b09233d9c6cf352207a5d5756a75894b0e311979059e5a8fc4dd48b09", kill_on_drop: false }`
[INFO] [stderr]    Compiling rusttyc v0.4.2 (/opt/rustwide/workdir)
[INFO] [stdout] warning: unused borrow that must be used
[INFO] [stdout]    --> examples/parametrized_function.rs:149:13
[INFO] [stdout]     |
[INFO] [stdout] 149 |             &params;
[INFO] [stdout]     |             ^^^^^^^
[INFO] [stdout]     |
[INFO] [stdout]     = note: `#[warn(unused_must_use)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: 1 warning emitted
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr]     Finished test [unoptimized + debuginfo] target(s) in 1.72s
[INFO] running `Command { std: "docker" "inspect" "0dc24d9b09233d9c6cf352207a5d5756a75894b0e311979059e5a8fc4dd48b09", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "0dc24d9b09233d9c6cf352207a5d5756a75894b0e311979059e5a8fc4dd48b09", kill_on_drop: false }`
[INFO] [stdout] 0dc24d9b09233d9c6cf352207a5d5756a75894b0e311979059e5a8fc4dd48b09
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-4/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-4/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] [stderr] WARNING: Your kernel does not support swap limit capabilities or the cgroup is not mounted. Memory limited without swap.
[INFO] [stdout] 181c5ff28f89e5ca2375768a4099fd57d9f26b98633dc292c113cf8365f58f99
[INFO] running `Command { std: "docker" "start" "-a" "181c5ff28f89e5ca2375768a4099fd57d9f26b98633dc292c113cf8365f58f99", kill_on_drop: false }`
[INFO] [stderr] warning: unused borrow that must be used
[INFO] [stderr]    --> examples/parametrized_function.rs:149:13
[INFO] [stderr]     |
[INFO] [stderr] 149 |             &params;
[INFO] [stderr]     |             ^^^^^^^
[INFO] [stderr]     |
[INFO] [stderr]     = note: `#[warn(unused_must_use)]` on by default
[INFO] [stderr] 
[INFO] [stderr] warning: `rusttyc` (example "parametrized_function") generated 1 warning
[INFO] [stderr]     Finished test [unoptimized + debuginfo] target(s) in 0.02s
[INFO] [stdout] 
[INFO] [stderr]      Running unittests (/opt/rustwide/target/debug/deps/rusttyc-232eb5f19139b643)
[INFO] [stdout] running 9 tests
[INFO] [stdout] test tests::bound_by_concrete_transitive ... ok
[INFO] [stdout] test tests::test_asym_order ... ok
[INFO] [stdout] test tests::test_asym_simple ... ok
[INFO] [stdout] test tests::test_meet ... ok
[INFO] [stdout] test tests::test_variable_dedup ... ok
[INFO] [stdout] test tests::create_different_types ... ok
[INFO] [stdout] test tests::test_asym_separation ... ok
[INFO] [stdout] test tests::complex_type_check ... ok
[INFO] [stdout] test tests::failing_type_check ... ok
[INFO] [stdout] 
[INFO] [stdout] test result: ok. 9 passed; 0 failed; 0 ignored; 0 measured; 0 filtered out; finished in 0.02s
[INFO] [stdout] 
[INFO] [stderr]    Doc-tests rusttyc
[INFO] [stderr] warning: lint `broken_intra_doc_links` has been renamed to `rustdoc::broken_intra_doc_links`
[INFO] [stderr]   --> /opt/rustwide/workdir/src/lib.rs:90:5
[INFO] [stderr]    |
[INFO] [stderr] 90 |     broken_intra_doc_links,
[INFO] [stderr]    |     ^^^^^^^^^^^^^^^^^^^^^^ help: use the new name: `rustdoc::broken_intra_doc_links`
[INFO] [stderr]    |
[INFO] [stderr]    = note: `#[warn(renamed_and_removed_lints)]` on by default
[INFO] [stderr] 
[INFO] [stderr] warning: 1 warning emitted
[INFO] [stderr] 
[INFO] [stdout] 
[INFO] [stdout] running 4 tests
[INFO] [stdout] test src/lib.rs - (line 17) ... ok
[INFO] [stdout] test src/keys.rs - keys::TcKey (line 48) ... ok
[INFO] [stdout] test src/keys.rs - keys::TcKey (line 87) ... ok
[INFO] [stdout] test src/lib.rs - (line 29) ... ok
[INFO] [stdout] 
[INFO] [stdout] test result: ok. 4 passed; 0 failed; 0 ignored; 0 measured; 0 filtered out; finished in 1.81s
[INFO] [stdout] 
[INFO] running `Command { std: "docker" "inspect" "181c5ff28f89e5ca2375768a4099fd57d9f26b98633dc292c113cf8365f58f99", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "181c5ff28f89e5ca2375768a4099fd57d9f26b98633dc292c113cf8365f58f99", kill_on_drop: false }`
[INFO] [stdout] 181c5ff28f89e5ca2375768a4099fd57d9f26b98633dc292c113cf8365f58f99