[INFO] fetching crate rusttyc 0.5.0... [INFO] testing rusttyc-0.5.0 against try#8de4c7234dd9b97c9d76b58671343fdbbc9a433e+target=x86_64-unknown-linux-musl for musl_upgrade_1_2_5_with_libc_patch_0 [INFO] extracting crate rusttyc 0.5.0 into /workspace/builds/worker-1-tc1/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-1-tc1/source/Cargo.toml [INFO] validating manifest of crates.io crate rusttyc 0.5.0 on toolchain 8de4c7234dd9b97c9d76b58671343fdbbc9a433e [INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+8de4c7234dd9b97c9d76b58671343fdbbc9a433e" "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" "+8de4c7234dd9b97c9d76b58671343fdbbc9a433e" "fetch" "--manifest-path" "Cargo.toml", kill_on_drop: false }` [INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-1-tc1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-1-tc1/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@sha256:90999bfc7ae267e83380e433d8e61a7c072ca6729e92edbae886d3423b3a6f4c" "/opt/rustwide/cargo-home/bin/cargo" "+8de4c7234dd9b97c9d76b58671343fdbbc9a433e" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }` [INFO] [stdout] c53884483bb4311b48b46dd93911ce291ec78b58bfeeaf8f54a17d7c76ac468d [INFO] running `Command { std: "docker" "start" "-a" "c53884483bb4311b48b46dd93911ce291ec78b58bfeeaf8f54a17d7c76ac468d", kill_on_drop: false }` [INFO] running `Command { std: "docker" "inspect" "c53884483bb4311b48b46dd93911ce291ec78b58bfeeaf8f54a17d7c76ac468d", kill_on_drop: false }` [INFO] running `Command { std: "docker" "rm" "-f" "c53884483bb4311b48b46dd93911ce291ec78b58bfeeaf8f54a17d7c76ac468d", kill_on_drop: false }` [INFO] [stdout] c53884483bb4311b48b46dd93911ce291ec78b58bfeeaf8f54a17d7c76ac468d [INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-1-tc1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-1-tc1/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@sha256:90999bfc7ae267e83380e433d8e61a7c072ca6729e92edbae886d3423b3a6f4c" "/opt/rustwide/cargo-home/bin/cargo" "+8de4c7234dd9b97c9d76b58671343fdbbc9a433e" "build" "--frozen" "--message-format=json" "--target" "x86_64-unknown-linux-musl", kill_on_drop: false }` [INFO] [stdout] d775a62ab046e5b66a37a673887902b496f1b51ab8a632d91634002dd5b84dc0 [INFO] running `Command { std: "docker" "start" "-a" "d775a62ab046e5b66a37a673887902b496f1b51ab8a632d91634002dd5b84dc0", kill_on_drop: false }` [INFO] [stderr] Compiling rusttyc v0.5.0 (/opt/rustwide/workdir) [INFO] [stderr] Finished `dev` profile [unoptimized + debuginfo] target(s) in 0.41s [INFO] running `Command { std: "docker" "inspect" "d775a62ab046e5b66a37a673887902b496f1b51ab8a632d91634002dd5b84dc0", kill_on_drop: false }` [INFO] running `Command { std: "docker" "rm" "-f" "d775a62ab046e5b66a37a673887902b496f1b51ab8a632d91634002dd5b84dc0", kill_on_drop: false }` [INFO] [stdout] d775a62ab046e5b66a37a673887902b496f1b51ab8a632d91634002dd5b84dc0 [INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-1-tc1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-1-tc1/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@sha256:90999bfc7ae267e83380e433d8e61a7c072ca6729e92edbae886d3423b3a6f4c" "/opt/rustwide/cargo-home/bin/cargo" "+8de4c7234dd9b97c9d76b58671343fdbbc9a433e" "test" "--frozen" "--no-run" "--message-format=json" "--target" "x86_64-unknown-linux-musl", kill_on_drop: false }` [INFO] [stdout] 4c0707ad31ad20efb99c0afedeeb6c687a970bcf65c7ab4dea2ee2c2321d1b38 [INFO] running `Command { std: "docker" "start" "-a" "4c0707ad31ad20efb99c0afedeeb6c687a970bcf65c7ab4dea2ee2c2321d1b38", 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: `Variable` has derived impls for the traits `Debug` and `Clone`, but these are intentionally ignored during dead code analysis [INFO] [stdout] = note: `#[warn(dead_code)]` 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 `Clone` and `Debug`, 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 `Clone` and `Debug`, 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)]` 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 `Clone` and `Debug`, but these are intentionally ignored during dead code analysis [INFO] [stdout] = note: `#[warn(dead_code)]` 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 `Clone` and `Debug`, 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 1.70s [INFO] running `Command { std: "docker" "inspect" "4c0707ad31ad20efb99c0afedeeb6c687a970bcf65c7ab4dea2ee2c2321d1b38", kill_on_drop: false }` [INFO] running `Command { std: "docker" "rm" "-f" "4c0707ad31ad20efb99c0afedeeb6c687a970bcf65c7ab4dea2ee2c2321d1b38", kill_on_drop: false }` [INFO] [stdout] 4c0707ad31ad20efb99c0afedeeb6c687a970bcf65c7ab4dea2ee2c2321d1b38 [INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-1-tc1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-1-tc1/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@sha256:90999bfc7ae267e83380e433d8e61a7c072ca6729e92edbae886d3423b3a6f4c" "/opt/rustwide/cargo-home/bin/cargo" "+8de4c7234dd9b97c9d76b58671343fdbbc9a433e" "test" "--frozen" "--target" "x86_64-unknown-linux-musl", kill_on_drop: false }` [INFO] [stdout] 49a724ec9766eb303fd14ced9df4496a16f11ae31374b8b044b81277d9784d17 [INFO] running `Command { std: "docker" "start" "-a" "49a724ec9766eb303fd14ced9df4496a16f11ae31374b8b044b81277d9784d17", 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: `Variable` has derived impls for the traits `Debug` and `Clone`, but these are intentionally ignored during dead code analysis [INFO] [stderr] = note: `#[warn(dead_code)]` 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 `Clone` and `Debug`, 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 `Clone` and `Debug`, 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)]` 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 `Clone` and `Debug`, but these are intentionally ignored during dead code analysis [INFO] [stderr] = note: `#[warn(dead_code)]` 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 `Clone` and `Debug`, 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 0.02s [INFO] [stderr] Running unittests src/lib.rs (/opt/rustwide/target/x86_64-unknown-linux-musl/debug/deps/rusttyc-5ce0b0963562cc80) [INFO] [stdout] [INFO] [stdout] running 9 tests [INFO] [stdout] test tests::bound_by_concrete_transitive ... ok [INFO] [stdout] test tests::failing_type_check ... ok [INFO] [stdout] test tests::create_different_types ... ok [INFO] [stdout] test tests::test_asym_simple ... ok [INFO] [stdout] test tests::test_asym_order ... ok [INFO] [stdout] test tests::complex_type_check ... ok [INFO] [stdout] test tests::test_meet ... ok [INFO] [stdout] test tests::test_asym_separation ... ok [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 0.00s [INFO] [stdout] [INFO] running `Command { std: "docker" "inspect" "49a724ec9766eb303fd14ced9df4496a16f11ae31374b8b044b81277d9784d17", kill_on_drop: false }` [INFO] running `Command { std: "docker" "rm" "-f" "49a724ec9766eb303fd14ced9df4496a16f11ae31374b8b044b81277d9784d17", kill_on_drop: false }` [INFO] [stdout] 49a724ec9766eb303fd14ced9df4496a16f11ae31374b8b044b81277d9784d17