[INFO] fetching crate rusttyc 0.5.0...
[INFO] testing rusttyc-0.5.0 against beta-2022-02-22 for beta-1.60-1
[INFO] extracting crate rusttyc 0.5.0 into /workspace/builds/worker-30/source
[INFO] validating manifest of crates.io crate rusttyc 0.5.0 on toolchain beta-2022-02-22
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+beta-2022-02-22" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }`
[INFO] started tweaking crates.io crate rusttyc 0.5.0
[INFO] removed 0 missing examples
[INFO] finished tweaking crates.io crate rusttyc 0.5.0
[INFO] tweaked toml for crates.io crate rusttyc 0.5.0 written to /workspace/builds/worker-30/source/Cargo.toml
[INFO] crate crates.io crate rusttyc 0.5.0 already has a lockfile, it will not be regenerated
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+beta-2022-02-22" "fetch" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-30/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-30/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@sha256:0cd99ca24d8e8c98e67c542213511d985b8778b5bdcbb160e038429496686047" "/opt/rustwide/cargo-home/bin/cargo" "+beta-2022-02-22" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] ed3e70fe759a21a8d9aaa3e4b763cc545c91ede2d204698bfcac0b5a9c722d27
[INFO] running `Command { std: "docker" "start" "-a" "ed3e70fe759a21a8d9aaa3e4b763cc545c91ede2d204698bfcac0b5a9c722d27", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "ed3e70fe759a21a8d9aaa3e4b763cc545c91ede2d204698bfcac0b5a9c722d27", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "ed3e70fe759a21a8d9aaa3e4b763cc545c91ede2d204698bfcac0b5a9c722d27", kill_on_drop: false }`
[INFO] [stdout] ed3e70fe759a21a8d9aaa3e4b763cc545c91ede2d204698bfcac0b5a9c722d27
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-30/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-30/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@sha256:0cd99ca24d8e8c98e67c542213511d985b8778b5bdcbb160e038429496686047" "/opt/rustwide/cargo-home/bin/cargo" "+beta-2022-02-22" "build" "--frozen" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] 3509efb2355a909c90aea028618971b637f1993526783ea9307c7a62b0b9e44d
[INFO] running `Command { std: "docker" "start" "-a" "3509efb2355a909c90aea028618971b637f1993526783ea9307c7a62b0b9e44d", kill_on_drop: false }`
[INFO] [stderr]    Compiling rusttyc v0.5.0 (/opt/rustwide/workdir)
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 1.27s
[INFO] running `Command { std: "docker" "inspect" "3509efb2355a909c90aea028618971b637f1993526783ea9307c7a62b0b9e44d", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "3509efb2355a909c90aea028618971b637f1993526783ea9307c7a62b0b9e44d", kill_on_drop: false }`
[INFO] [stdout] 3509efb2355a909c90aea028618971b637f1993526783ea9307c7a62b0b9e44d
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-30/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-30/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@sha256:0cd99ca24d8e8c98e67c542213511d985b8778b5bdcbb160e038429496686047" "/opt/rustwide/cargo-home/bin/cargo" "+beta-2022-02-22" "test" "--frozen" "--no-run" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] 72c810be903ce5e41fe4cccfa5f35144f1b9f1cade68727e039cbe1444b69792
[INFO] running `Command { std: "docker" "start" "-a" "72c810be903ce5e41fe4cccfa5f35144f1b9f1cade68727e039cbe1444b69792", kill_on_drop: false }`
[INFO] [stderr]    Compiling rusttyc v0.5.0 (/opt/rustwide/workdir)
[INFO] [stdout] warning: field is never read: `name`
[INFO] [stdout]   --> examples/parametrized_function.rs:89:9
[INFO] [stdout]    |
[INFO] [stdout] 89 |         name: &'static str,
[INFO] [stdout]    |         ^^^^^^^^^^^^^^^^^^
[INFO] [stdout]    |
[INFO] [stdout]    = note: `#[warn(dead_code)]` on by default
[INFO] [stdout] note: `Expression` has derived impls for the traits `Debug` and `Clone`, but these are intentionally ignored during dead code analysis
[INFO] [stdout]   --> examples/parametrized_function.rs:69:10
[INFO] [stdout]    |
[INFO] [stdout] 69 | #[derive(Clone, Debug)]
[INFO] [stdout]    |          ^^^^^  ^^^^^
[INFO] [stdout]    = note: this warning originates in the derive macro `Clone` (in Nightly builds, run with -Z macro-backtrace for more info)
[INFO] [stdout] 
[INFO] [stdout] 
[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]     |             ^^^^^^^ the borrow produces a value
[INFO] [stdout]     |
[INFO] [stdout]     = note: `#[warn(unused_must_use)]` on by default
[INFO] [stdout] help: use `let _ = ...` to ignore the resulting value
[INFO] [stdout]     |
[INFO] [stdout] 149 |             let _ = &params;
[INFO] [stdout]     |             +++++++
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: field is never read: `name`
[INFO] [stdout]   --> src/tests.rs:90:9
[INFO] [stdout]    |
[INFO] [stdout] 90 |         name: &'static str,
[INFO] [stdout]    |         ^^^^^^^^^^^^^^^^^^
[INFO] [stdout]    |
[INFO] [stdout]    = note: `#[warn(dead_code)]` on by default
[INFO] [stdout] note: `Expression` has derived impls for the traits `Debug` and `Clone`, but these are intentionally ignored during dead code analysis
[INFO] [stdout]   --> src/tests.rs:70:10
[INFO] [stdout]    |
[INFO] [stdout] 70 | #[derive(Clone, Debug)]
[INFO] [stdout]    |          ^^^^^  ^^^^^
[INFO] [stdout]    = note: this warning originates in the derive macro `Clone` (in Nightly builds, run with -Z macro-backtrace for more info)
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: 2 warnings emitted
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: 1 warning emitted
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr]     Finished test [unoptimized + debuginfo] target(s) in 1.63s
[INFO] running `Command { std: "docker" "inspect" "72c810be903ce5e41fe4cccfa5f35144f1b9f1cade68727e039cbe1444b69792", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "72c810be903ce5e41fe4cccfa5f35144f1b9f1cade68727e039cbe1444b69792", kill_on_drop: false }`
[INFO] [stdout] 72c810be903ce5e41fe4cccfa5f35144f1b9f1cade68727e039cbe1444b69792
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-30/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-30/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@sha256:0cd99ca24d8e8c98e67c542213511d985b8778b5bdcbb160e038429496686047" "/opt/rustwide/cargo-home/bin/cargo" "+beta-2022-02-22" "test" "--frozen", kill_on_drop: false }`
[INFO] [stdout] 3c4d0d0b0bf085ce57e7794e60e7df54269a518b8ce6ce20c1e1f91178334bf8
[INFO] running `Command { std: "docker" "start" "-a" "3c4d0d0b0bf085ce57e7794e60e7df54269a518b8ce6ce20c1e1f91178334bf8", kill_on_drop: false }`
[INFO] [stderr]     Blocking waiting for file lock on package cache
[INFO] [stderr] warning: field is never read: `name`
[INFO] [stderr]   --> src/tests.rs:90:9
[INFO] [stderr]    |
[INFO] [stderr] 90 |         name: &'static str,
[INFO] [stderr]    |         ^^^^^^^^^^^^^^^^^^
[INFO] [stderr]    |
[INFO] [stderr]    = note: `#[warn(dead_code)]` on by default
[INFO] [stderr] note: `Expression` has derived impls for the traits `Debug` and `Clone`, but these are intentionally ignored during dead code analysis
[INFO] [stderr]   --> src/tests.rs:70:10
[INFO] [stderr]    |
[INFO] [stderr] 70 | #[derive(Clone, Debug)]
[INFO] [stderr]    |          ^^^^^  ^^^^^
[INFO] [stderr]    = note: this warning originates in the derive macro `Clone` (in Nightly builds, run with -Z macro-backtrace for more info)
[INFO] [stderr] 
[INFO] [stderr] warning: `rusttyc` (lib test) generated 1 warning
[INFO] [stderr] warning: field is never read: `name`
[INFO] [stderr]   --> examples/parametrized_function.rs:89:9
[INFO] [stderr]    |
[INFO] [stderr] 89 |         name: &'static str,
[INFO] [stderr]    |         ^^^^^^^^^^^^^^^^^^
[INFO] [stderr]    |
[INFO] [stderr]    = note: `#[warn(dead_code)]` on by default
[INFO] [stderr] note: `Expression` has derived impls for the traits `Debug` and `Clone`, but these are intentionally ignored during dead code analysis
[INFO] [stderr]   --> examples/parametrized_function.rs:69:10
[INFO] [stderr]    |
[INFO] [stderr] 69 | #[derive(Clone, Debug)]
[INFO] [stderr]    |          ^^^^^  ^^^^^
[INFO] [stderr]    = note: this warning originates in the derive macro `Clone` (in Nightly builds, run with -Z macro-backtrace for more info)
[INFO] [stderr] 
[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]     |             ^^^^^^^ the borrow produces a value
[INFO] [stderr]     |
[INFO] [stderr]     = note: `#[warn(unused_must_use)]` on by default
[INFO] [stderr] help: use `let _ = ...` to ignore the resulting value
[INFO] [stderr]     |
[INFO] [stderr] 149 |             let _ = &params;
[INFO] [stderr]     |             +++++++
[INFO] [stderr] 
[INFO] [stderr] warning: `rusttyc` (example "parametrized_function") generated 2 warnings
[INFO] [stderr]     Finished test [unoptimized + debuginfo] target(s) in 0.37s
[INFO] [stderr]      Running unittests (/opt/rustwide/target/debug/deps/rusttyc-0c3505e061b3845b)
[INFO] [stdout] 
[INFO] [stdout] running 9 tests
[INFO] [stdout] test tests::bound_by_concrete_transitive ... ok
[INFO] [stdout] test tests::complex_type_check ... ok
[INFO] [stdout] test tests::create_different_types ... ok
[INFO] [stdout] test tests::failing_type_check ... ok
[INFO] [stdout] test tests::test_asym_order ... ok
[INFO] [stdout] test tests::test_asym_separation ... ok
[INFO] [stdout] test tests::test_asym_simple ... ok
[INFO] [stdout] test tests::test_meet ... ok
[INFO] [stderr]    Doc-tests rusttyc
[INFO] [stdout] test tests::test_variable_dedup ... ok
[INFO] [stdout] 
[INFO] [stdout] test result: ok. 9 passed; 0 failed; 0 ignored; 0 measured; 0 filtered out; finished in 0.06s
[INFO] [stdout] 
[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:91:5
[INFO] [stderr]    |
[INFO] [stderr] 91 |     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/keys.rs - keys::TcKey (line 48) ... ok
[INFO] [stdout] test src/lib.rs - (line 18) ... ok
[INFO] [stdout] test src/lib.rs - (line 30) ... ok
[INFO] [stdout] test src/keys.rs - keys::TcKey (line 87) ... ok
[INFO] [stdout] 
[INFO] [stdout] test result: ok. 4 passed; 0 failed; 0 ignored; 0 measured; 0 filtered out; finished in 1.40s
[INFO] [stdout] 
[INFO] running `Command { std: "docker" "inspect" "3c4d0d0b0bf085ce57e7794e60e7df54269a518b8ce6ce20c1e1f91178334bf8", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "3c4d0d0b0bf085ce57e7794e60e7df54269a518b8ce6ce20c1e1f91178334bf8", kill_on_drop: false }`
[INFO] [stdout] 3c4d0d0b0bf085ce57e7794e60e7df54269a518b8ce6ce20c1e1f91178334bf8