[INFO] fetching crate rusttyc 0.5.0... [INFO] testing rusttyc-0.5.0 against try#c2e32f1c9652b13ed99608599c1e855462f421f3 for pr-146098-8 [INFO] extracting crate rusttyc 0.5.0 into /workspace/builds/worker-0-tc2/source [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-0-tc2/source/Cargo.toml [INFO] validating manifest of crates.io crate rusttyc 0.5.0 on toolchain c2e32f1c9652b13ed99608599c1e855462f421f3 [INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+c2e32f1c9652b13ed99608599c1e855462f421f3" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }` [INFO] crate crates.io crate rusttyc 0.5.0 already has a lockfile, it will not be regenerated [INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+c2e32f1c9652b13ed99608599c1e855462f421f3" "fetch" "--manifest-path" "Cargo.toml", kill_on_drop: false }` [INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-0-tc2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-0-tc2/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@sha256:4848fb76d95f26979359cc7e45710b1dbc8f3acb7aeedee7c460d7702230f228" "/opt/rustwide/cargo-home/bin/cargo" "+c2e32f1c9652b13ed99608599c1e855462f421f3" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }` [INFO] [stdout] eb41cacee03f755a75fe5206cdfabc29b50926690aa85e556b80e5cf0df33101 [INFO] running `Command { std: "docker" "start" "-a" "eb41cacee03f755a75fe5206cdfabc29b50926690aa85e556b80e5cf0df33101", kill_on_drop: false }` [INFO] running `Command { std: "docker" "inspect" "eb41cacee03f755a75fe5206cdfabc29b50926690aa85e556b80e5cf0df33101", kill_on_drop: false }` [INFO] running `Command { std: "docker" "rm" "-f" "eb41cacee03f755a75fe5206cdfabc29b50926690aa85e556b80e5cf0df33101", kill_on_drop: false }` [INFO] [stdout] eb41cacee03f755a75fe5206cdfabc29b50926690aa85e556b80e5cf0df33101 [INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-0-tc2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-0-tc2/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" "RUSTDOCFLAGS=--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" "ghcr.io/rust-lang/crates-build-env/linux@sha256:4848fb76d95f26979359cc7e45710b1dbc8f3acb7aeedee7c460d7702230f228" "/opt/rustwide/cargo-home/bin/cargo" "+c2e32f1c9652b13ed99608599c1e855462f421f3" "build" "--frozen" "--message-format=json", kill_on_drop: false }` [INFO] [stdout] c2bd044061b6de5cc33e87cb5a0b1a83ef835338bd723f50e126bdc332ddb842 [INFO] running `Command { std: "docker" "start" "-a" "c2bd044061b6de5cc33e87cb5a0b1a83ef835338bd723f50e126bdc332ddb842", kill_on_drop: false }` [INFO] [stderr] Compiling rusttyc v0.5.0 (/opt/rustwide/workdir) [INFO] [stderr] Finished `dev` profile [unoptimized + debuginfo] target(s) in 0.26s [INFO] running `Command { std: "docker" "inspect" "c2bd044061b6de5cc33e87cb5a0b1a83ef835338bd723f50e126bdc332ddb842", kill_on_drop: false }` [INFO] running `Command { std: "docker" "rm" "-f" "c2bd044061b6de5cc33e87cb5a0b1a83ef835338bd723f50e126bdc332ddb842", kill_on_drop: false }` [INFO] [stdout] c2bd044061b6de5cc33e87cb5a0b1a83ef835338bd723f50e126bdc332ddb842 [INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-0-tc2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-0-tc2/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" "RUSTDOCFLAGS=--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" "ghcr.io/rust-lang/crates-build-env/linux@sha256:4848fb76d95f26979359cc7e45710b1dbc8f3acb7aeedee7c460d7702230f228" "/opt/rustwide/cargo-home/bin/cargo" "+c2e32f1c9652b13ed99608599c1e855462f421f3" "test" "--frozen" "--no-run" "--message-format=json", kill_on_drop: false }` [INFO] [stdout] 5269a8c80a2b0f5b2c4c56a6ef499268d68f872ebad88544b5d888b3f44bef63 [INFO] running `Command { std: "docker" "start" "-a" "5269a8c80a2b0f5b2c4c56a6ef499268d68f872ebad88544b5d888b3f44bef63", kill_on_drop: false }` [INFO] [stderr] Compiling rusttyc v0.5.0 (/opt/rustwide/workdir) [INFO] [stdout] warning: struct `Variable` is never constructed [INFO] [stdout] --> examples/parametrized_function.rs:25:8 [INFO] [stdout] | [INFO] [stdout] 25 | struct Variable(usize); [INFO] [stdout] | ^^^^^^^^ [INFO] [stdout] | [INFO] [stdout] = note: `#[warn(dead_code)]` (part of `#[warn(unused)]`) on by default [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: field `name` is never read [INFO] [stdout] --> examples/parametrized_function.rs:89:9 [INFO] [stdout] | [INFO] [stdout] 88 | PolyFn { [INFO] [stdout] | ------ field in this variant [INFO] [stdout] 89 | name: &'static str, [INFO] [stdout] | ^^^^ [INFO] [stdout] | [INFO] [stdout] = note: `Expression` has derived impls for the traits `Debug` and `Clone`, but these are intentionally ignored during dead code analysis [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: field `0` is never read [INFO] [stdout] --> examples/parametrized_function.rs:95:15 [INFO] [stdout] | [INFO] [stdout] 95 | ConstBool(bool), [INFO] [stdout] | --------- ^^^^ [INFO] [stdout] | | [INFO] [stdout] | field in this variant [INFO] [stdout] | [INFO] [stdout] = note: `Expression` has derived impls for the traits `Debug` and `Clone`, but these are intentionally ignored during dead code analysis [INFO] [stdout] help: consider changing the field to be of unit type to suppress this warning while preserving the field numbering, or remove the field [INFO] [stdout] | [INFO] [stdout] 95 - ConstBool(bool), [INFO] [stdout] 95 + ConstBool(()), [INFO] [stdout] | [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 | ¶ms; [INFO] [stdout] | ^^^^^^^ the borrow produces a value [INFO] [stdout] | [INFO] [stdout] = note: `#[warn(unused_must_use)]` (part of `#[warn(unused)]`) on by default [INFO] [stdout] help: use `let _ = ...` to ignore the resulting value [INFO] [stdout] | [INFO] [stdout] 149 | let _ = ¶ms; [INFO] [stdout] | +++++++ [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: field `name` is never read [INFO] [stdout] --> src/tests.rs:90:9 [INFO] [stdout] | [INFO] [stdout] 89 | PolyFn { [INFO] [stdout] | ------ field in this variant [INFO] [stdout] 90 | name: &'static str, [INFO] [stdout] | ^^^^ [INFO] [stdout] | [INFO] [stdout] = note: `Expression` has derived impls for the traits `Debug` and `Clone`, but these are intentionally ignored during dead code analysis [INFO] [stdout] = note: `#[warn(dead_code)]` (part of `#[warn(unused)]`) on by default [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: field `0` is never read [INFO] [stdout] --> src/tests.rs:96:15 [INFO] [stdout] | [INFO] [stdout] 96 | ConstBool(bool), [INFO] [stdout] | --------- ^^^^ [INFO] [stdout] | | [INFO] [stdout] | field in this variant [INFO] [stdout] | [INFO] [stdout] = note: `Expression` has derived impls for the traits `Debug` and `Clone`, but these are intentionally ignored during dead code analysis [INFO] [stdout] help: consider changing the field to be of unit type to suppress this warning while preserving the field numbering, or remove the field [INFO] [stdout] | [INFO] [stdout] 96 - ConstBool(bool), [INFO] [stdout] 96 + ConstBool(()), [INFO] [stdout] | [INFO] [stdout] [INFO] [stdout] [INFO] [stderr] Finished `test` profile [unoptimized + debuginfo] target(s) in 2.08s [INFO] running `Command { std: "docker" "inspect" "5269a8c80a2b0f5b2c4c56a6ef499268d68f872ebad88544b5d888b3f44bef63", kill_on_drop: false }` [INFO] running `Command { std: "docker" "rm" "-f" "5269a8c80a2b0f5b2c4c56a6ef499268d68f872ebad88544b5d888b3f44bef63", kill_on_drop: false }` [INFO] [stdout] 5269a8c80a2b0f5b2c4c56a6ef499268d68f872ebad88544b5d888b3f44bef63 [INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-0-tc2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-0-tc2/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" "RUSTDOCFLAGS=--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" "ghcr.io/rust-lang/crates-build-env/linux@sha256:4848fb76d95f26979359cc7e45710b1dbc8f3acb7aeedee7c460d7702230f228" "/opt/rustwide/cargo-home/bin/cargo" "+c2e32f1c9652b13ed99608599c1e855462f421f3" "test" "--frozen", kill_on_drop: false }` [INFO] [stdout] b0c6ce2710559b5efc259cab33897a63df6ced5528d60f9d11929fc3ef7ab097 [INFO] running `Command { std: "docker" "start" "-a" "b0c6ce2710559b5efc259cab33897a63df6ced5528d60f9d11929fc3ef7ab097", kill_on_drop: false }` [INFO] [stderr] warning: struct `Variable` is never constructed [INFO] [stderr] --> examples/parametrized_function.rs:25:8 [INFO] [stderr] | [INFO] [stderr] 25 | struct Variable(usize); [INFO] [stderr] | ^^^^^^^^ [INFO] [stderr] | [INFO] [stderr] = note: `#[warn(dead_code)]` (part of `#[warn(unused)]`) on by default [INFO] [stderr] [INFO] [stderr] warning: field `name` is never read [INFO] [stderr] --> examples/parametrized_function.rs:89:9 [INFO] [stderr] | [INFO] [stderr] 88 | PolyFn { [INFO] [stderr] | ------ field in this variant [INFO] [stderr] 89 | name: &'static str, [INFO] [stderr] | ^^^^ [INFO] [stderr] | [INFO] [stderr] = note: `Expression` has derived impls for the traits `Debug` and `Clone`, but these are intentionally ignored during dead code analysis [INFO] [stderr] [INFO] [stderr] warning: field `0` is never read [INFO] [stderr] --> examples/parametrized_function.rs:95:15 [INFO] [stderr] | [INFO] [stderr] 95 | ConstBool(bool), [INFO] [stderr] | --------- ^^^^ [INFO] [stderr] | | [INFO] [stderr] | field in this variant [INFO] [stderr] | [INFO] [stderr] = note: `Expression` has derived impls for the traits `Debug` and `Clone`, but these are intentionally ignored during dead code analysis [INFO] [stderr] help: consider changing the field to be of unit type to suppress this warning while preserving the field numbering, or remove the field [INFO] [stderr] | [INFO] [stderr] 95 - ConstBool(bool), [INFO] [stderr] 95 + ConstBool(()), [INFO] [stderr] | [INFO] [stderr] [INFO] [stderr] warning: unused borrow that must be used [INFO] [stderr] --> examples/parametrized_function.rs:149:13 [INFO] [stderr] | [INFO] [stderr] 149 | ¶ms; [INFO] [stderr] | ^^^^^^^ the borrow produces a value [INFO] [stderr] | [INFO] [stderr] = note: `#[warn(unused_must_use)]` (part of `#[warn(unused)]`) on by default [INFO] [stderr] help: use `let _ = ...` to ignore the resulting value [INFO] [stderr] | [INFO] [stderr] 149 | let _ = ¶ms; [INFO] [stderr] | +++++++ [INFO] [stderr] [INFO] [stderr] warning: `rusttyc` (example "parametrized_function") generated 4 warnings [INFO] [stderr] warning: field `name` is never read [INFO] [stderr] --> src/tests.rs:90:9 [INFO] [stderr] | [INFO] [stderr] 89 | PolyFn { [INFO] [stderr] | ------ field in this variant [INFO] [stderr] 90 | name: &'static str, [INFO] [stderr] | ^^^^ [INFO] [stderr] | [INFO] [stderr] = note: `Expression` has derived impls for the traits `Debug` and `Clone`, but these are intentionally ignored during dead code analysis [INFO] [stderr] = note: `#[warn(dead_code)]` (part of `#[warn(unused)]`) on by default [INFO] [stderr] [INFO] [stderr] warning: field `0` is never read [INFO] [stderr] --> src/tests.rs:96:15 [INFO] [stderr] | [INFO] [stderr] 96 | ConstBool(bool), [INFO] [stderr] | --------- ^^^^ [INFO] [stderr] | | [INFO] [stderr] | field in this variant [INFO] [stderr] | [INFO] [stderr] = note: `Expression` has derived impls for the traits `Debug` and `Clone`, but these are intentionally ignored during dead code analysis [INFO] [stderr] help: consider changing the field to be of unit type to suppress this warning while preserving the field numbering, or remove the field [INFO] [stderr] | [INFO] [stderr] 96 - ConstBool(bool), [INFO] [stderr] 96 + ConstBool(()), [INFO] [stderr] | [INFO] [stderr] [INFO] [stderr] warning: `rusttyc` (lib test) generated 2 warnings [INFO] [stderr] Finished `test` profile [unoptimized + debuginfo] target(s) in 0.05s [INFO] [stderr] Running unittests src/lib.rs (/opt/rustwide/target/debug/deps/rusttyc-b8f84fe46f342a85) [INFO] [stdout] [INFO] [stdout] running 9 tests [INFO] [stdout] test tests::complex_type_check ... ok [INFO] [stdout] test tests::create_different_types ... ok [INFO] [stdout] test tests::test_asym_separation ... 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::bound_by_concrete_transitive ... 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 0.01s [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] --> 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 1.22s [INFO] [stdout] [INFO] running `Command { std: "docker" "inspect" "b0c6ce2710559b5efc259cab33897a63df6ced5528d60f9d11929fc3ef7ab097", kill_on_drop: false }` [INFO] running `Command { std: "docker" "rm" "-f" "b0c6ce2710559b5efc259cab33897a63df6ced5528d60f9d11929fc3ef7ab097", kill_on_drop: false }` [INFO] [stdout] b0c6ce2710559b5efc259cab33897a63df6ced5528d60f9d11929fc3ef7ab097