[INFO] fetching crate type-variance 0.1.0... [INFO] testing type-variance-0.1.0 against try#b83b707f97d809763b7861afa7638871f3339a33 for pr-145838-1 [INFO] extracting crate type-variance 0.1.0 into /workspace/builds/worker-1-tc2/source [INFO] started tweaking crates.io crate type-variance 0.1.0 [INFO] removed 0 missing tests [INFO] finished tweaking crates.io crate type-variance 0.1.0 [INFO] tweaked toml for crates.io crate type-variance 0.1.0 written to /workspace/builds/worker-1-tc2/source/Cargo.toml [INFO] validating manifest of crates.io crate type-variance 0.1.0 on toolchain b83b707f97d809763b7861afa7638871f3339a33 [INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+b83b707f97d809763b7861afa7638871f3339a33" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }` [INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+b83b707f97d809763b7861afa7638871f3339a33" "generate-lockfile" "--manifest-path" "Cargo.toml", kill_on_drop: false }` [INFO] [stderr] Updating crates.io index [INFO] [stderr] Locking 35 packages to latest compatible versions [INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+b83b707f97d809763b7861afa7638871f3339a33" "fetch" "--manifest-path" "Cargo.toml", kill_on_drop: false }` [INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-1-tc2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-1-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@sha256:7ad1b28ee6f5f7f699f6cf7015098d6ccdd96d6f2d78dd06228f5b4c9faf309c" "/opt/rustwide/cargo-home/bin/cargo" "+b83b707f97d809763b7861afa7638871f3339a33" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }` [INFO] [stdout] 3be580d016ebe1932d87469ce1c22fb8081d1ecbde5389d1b7c83c586acb9617 [INFO] running `Command { std: "docker" "start" "-a" "3be580d016ebe1932d87469ce1c22fb8081d1ecbde5389d1b7c83c586acb9617", kill_on_drop: false }` [INFO] running `Command { std: "docker" "inspect" "3be580d016ebe1932d87469ce1c22fb8081d1ecbde5389d1b7c83c586acb9617", kill_on_drop: false }` [INFO] running `Command { std: "docker" "rm" "-f" "3be580d016ebe1932d87469ce1c22fb8081d1ecbde5389d1b7c83c586acb9617", kill_on_drop: false }` [INFO] [stdout] 3be580d016ebe1932d87469ce1c22fb8081d1ecbde5389d1b7c83c586acb9617 [INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-1-tc2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-1-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@sha256:7ad1b28ee6f5f7f699f6cf7015098d6ccdd96d6f2d78dd06228f5b4c9faf309c" "/opt/rustwide/cargo-home/bin/cargo" "+b83b707f97d809763b7861afa7638871f3339a33" "build" "--frozen" "--message-format=json", kill_on_drop: false }` [INFO] [stdout] 2e2665700e07b635c433359df603da9f2f77785eeeb1d6419af2def3631e01f1 [INFO] running `Command { std: "docker" "start" "-a" "2e2665700e07b635c433359df603da9f2f77785eeeb1d6419af2def3631e01f1", kill_on_drop: false }` [INFO] [stderr] Compiling type-variance v0.1.0 (/opt/rustwide/workdir) [INFO] [stderr] Finished `dev` profile [unoptimized + debuginfo] target(s) in 0.12s [INFO] running `Command { std: "docker" "inspect" "2e2665700e07b635c433359df603da9f2f77785eeeb1d6419af2def3631e01f1", kill_on_drop: false }` [INFO] running `Command { std: "docker" "rm" "-f" "2e2665700e07b635c433359df603da9f2f77785eeeb1d6419af2def3631e01f1", kill_on_drop: false }` [INFO] [stdout] 2e2665700e07b635c433359df603da9f2f77785eeeb1d6419af2def3631e01f1 [INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-1-tc2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-1-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@sha256:7ad1b28ee6f5f7f699f6cf7015098d6ccdd96d6f2d78dd06228f5b4c9faf309c" "/opt/rustwide/cargo-home/bin/cargo" "+b83b707f97d809763b7861afa7638871f3339a33" "test" "--frozen" "--no-run" "--message-format=json", kill_on_drop: false }` [INFO] [stdout] b6f3d4d1dc2e590baa65d94782a4ae9bf6594ecc1ce6e7b281f46c92d5187b3d [INFO] running `Command { std: "docker" "start" "-a" "b6f3d4d1dc2e590baa65d94782a4ae9bf6594ecc1ce6e7b281f46c92d5187b3d", kill_on_drop: false }` [INFO] [stderr] Compiling serde v1.0.219 [INFO] [stderr] Compiling winnow v0.7.13 [INFO] [stderr] Compiling target-triple v0.1.4 [INFO] [stderr] Compiling toml_writer v1.0.2 [INFO] [stderr] Compiling glob v0.3.3 [INFO] [stderr] Compiling toml_parser v1.0.2 [INFO] [stderr] Compiling toml_datetime v0.7.0 [INFO] [stderr] Compiling serde_spanned v1.0.0 [INFO] [stderr] Compiling serde_json v1.0.143 [INFO] [stderr] Compiling toml v0.9.5 [INFO] [stderr] Compiling trybuild v1.0.110 [INFO] [stderr] Compiling type-variance v0.1.0 (/opt/rustwide/workdir) [INFO] [stderr] Finished `test` profile [unoptimized + debuginfo] target(s) in 7.87s [INFO] running `Command { std: "docker" "inspect" "b6f3d4d1dc2e590baa65d94782a4ae9bf6594ecc1ce6e7b281f46c92d5187b3d", kill_on_drop: false }` [INFO] running `Command { std: "docker" "rm" "-f" "b6f3d4d1dc2e590baa65d94782a4ae9bf6594ecc1ce6e7b281f46c92d5187b3d", kill_on_drop: false }` [INFO] [stdout] b6f3d4d1dc2e590baa65d94782a4ae9bf6594ecc1ce6e7b281f46c92d5187b3d [INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-1-tc2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-1-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@sha256:7ad1b28ee6f5f7f699f6cf7015098d6ccdd96d6f2d78dd06228f5b4c9faf309c" "/opt/rustwide/cargo-home/bin/cargo" "+b83b707f97d809763b7861afa7638871f3339a33" "test" "--frozen", kill_on_drop: false }` [INFO] [stdout] e445b436503b1d657c03e04e41d692feb117a20597db72f6968a507967dec6f5 [INFO] running `Command { std: "docker" "start" "-a" "e445b436503b1d657c03e04e41d692feb117a20597db72f6968a507967dec6f5", kill_on_drop: false }` [INFO] [stderr] Finished `test` profile [unoptimized + debuginfo] target(s) in 0.03s [INFO] [stderr] Running unittests src/lib.rs (/opt/rustwide/target/debug/deps/type_variance-b3457b78b230886f) [INFO] [stdout] [INFO] [stdout] running 3 tests [INFO] [stdout] test tests::co_contra ... ok [INFO] [stdout] test tests::contravariant ... ok [INFO] [stdout] test tests::covariant ... ok [INFO] [stdout] [INFO] [stdout] test result: ok. 3 passed; 0 failed; 0 ignored; 0 measured; 0 filtered out; finished in 0.00s [INFO] [stdout] [INFO] [stderr] Running tests/fail.rs (/opt/rustwide/target/debug/deps/failure_tests-a02797a5b3c63de4) [INFO] [stdout] [INFO] [stdout] running 1 test [INFO] [stderr] Checking type-variance v0.1.0 (/opt/rustwide/workdir) [INFO] [stderr] Checking type-variance-tests v0.0.0 (/opt/rustwide/target/tests/trybuild/type-variance) [INFO] [stderr] Finished `dev` profile [unoptimized + debuginfo] target(s) in 0.13s [INFO] [stderr] [INFO] [stderr] [INFO] [stderr] test tests/fail_covariant.rs ... mismatch [INFO] [stderr] [INFO] [stderr] EXPECTED: [INFO] [stderr] ┈┈┈┈┈┈┈┈┈┈┈┈┈┈┈┈┈┈┈┈┈┈┈┈┈┈┈┈┈┈┈┈┈┈┈┈┈┈┈┈┈┈┈┈┈┈┈┈┈┈┈┈┈┈┈┈┈┈┈┈ [INFO] [stderr] error[E0495]: cannot infer an appropriate lifetime due to conflicting requirements [INFO] [stderr] --> $DIR/fail_covariant.rs:6:38 [INFO] [stderr] | [INFO] [stderr] 6 | let _co: Co> = Co( [INFO] [stderr] | ______________________________________^ [INFO] [stderr] 7 | | Covariant::>::default(), [INFO] [stderr] 8 | | ); [INFO] [stderr] | |_____^ [INFO] [stderr] | [INFO] [stderr] note: first, the lifetime cannot outlive the lifetime `'a` as defined on the function body at 5:19... [INFO] [stderr] --> $DIR/fail_covariant.rs:5:19 [INFO] [stderr] | [INFO] [stderr] 5 | fn covariant_fail<'a>() { [INFO] [stderr] | ^^ [INFO] [stderr] note: ...so that the expression is assignable [INFO] [stderr] --> $DIR/fail_covariant.rs:7:9 [INFO] [stderr] | [INFO] [stderr] 7 | Covariant::>::default(), [INFO] [stderr] | ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^ [INFO] [stderr] = note: expected `type_variance::Covariant>` [INFO] [stderr] found `type_variance::Covariant>` [INFO] [stderr] = note: but, the lifetime must be valid for the static lifetime... [INFO] [stderr] note: ...so that the expression is assignable [INFO] [stderr] --> $DIR/fail_covariant.rs:6:38 [INFO] [stderr] | [INFO] [stderr] 6 | let _co: Co> = Co( [INFO] [stderr] | ______________________________________^ [INFO] [stderr] 7 | | Covariant::>::default(), [INFO] [stderr] 8 | | ); [INFO] [stderr] | |_____^ [INFO] [stderr] = note: expected `common::Co>` [INFO] [stderr] found `common::Co>` [INFO] [stderr] ┈┈┈┈┈┈┈┈┈┈┈┈┈┈┈┈┈┈┈┈┈┈┈┈┈┈┈┈┈┈┈┈┈┈┈┈┈┈┈┈┈┈┈┈┈┈┈┈┈┈┈┈┈┈┈┈┈┈┈┈ [INFO] [stderr] [INFO] [stderr] ACTUAL OUTPUT: [INFO] [stderr] ┈┈┈┈┈┈┈┈┈┈┈┈┈┈┈┈┈┈┈┈┈┈┈┈┈┈┈┈┈┈┈┈┈┈┈┈┈┈┈┈┈┈┈┈┈┈┈┈┈┈┈┈┈┈┈┈┈┈┈┈ [INFO] [stderr] error: lifetime may not live long enough [INFO] [stderr] --> tests/fail_covariant.rs:6:14 [INFO] [stderr] | [INFO] [stderr] 5 | fn covariant_fail<'a>() { [INFO] [stderr] | -- lifetime `'a` defined here [INFO] [stderr] 6 | let _co: Co> = Co( [INFO] [stderr] | ^^^^^^^^^^^^^^^^^^^^^ type annotation requires that `'a` must outlive `'static` [INFO] [stderr] ┈┈┈┈┈┈┈┈┈┈┈┈┈┈┈┈┈┈┈┈┈┈┈┈┈┈┈┈┈┈┈┈┈┈┈┈┈┈┈┈┈┈┈┈┈┈┈┈┈┈┈┈┈┈┈┈┈┈┈┈ [INFO] [stderr] note: If the actual output is the correct output you can bless it by rerunning [INFO] [stderr] your test with the environment variable TRYBUILD=overwrite [INFO] [stderr] [INFO] [stderr] test tests/fail_contravariant.rs ... mismatch [INFO] [stderr] [INFO] [stderr] EXPECTED: [INFO] [stderr] ┈┈┈┈┈┈┈┈┈┈┈┈┈┈┈┈┈┈┈┈┈┈┈┈┈┈┈┈┈┈┈┈┈┈┈┈┈┈┈┈┈┈┈┈┈┈┈┈┈┈┈┈┈┈┈┈┈┈┈┈ [INFO] [stderr] error[E0495]: cannot infer an appropriate lifetime due to conflicting requirements [INFO] [stderr] --> $DIR/fail_contravariant.rs:7:9 [INFO] [stderr] | [INFO] [stderr] 7 | Contravariant::>::default(), [INFO] [stderr] | ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^ [INFO] [stderr] | [INFO] [stderr] note: first, the lifetime cannot outlive the lifetime `'a` as defined on the function body at 5:23... [INFO] [stderr] --> $DIR/fail_contravariant.rs:5:23 [INFO] [stderr] | [INFO] [stderr] 5 | fn contravariant_fail<'a>() { [INFO] [stderr] | ^^ [INFO] [stderr] note: ...so that the expression is assignable [INFO] [stderr] --> $DIR/fail_contravariant.rs:6:41 [INFO] [stderr] | [INFO] [stderr] 6 | let _contra: Contra> = Contra( [INFO] [stderr] | _________________________________________^ [INFO] [stderr] 7 | | Contravariant::>::default(), [INFO] [stderr] 8 | | ); [INFO] [stderr] | |_____^ [INFO] [stderr] = note: expected `common::Contra>` [INFO] [stderr] found `common::Contra>` [INFO] [stderr] = note: but, the lifetime must be valid for the static lifetime... [INFO] [stderr] note: ...so that the expression is assignable [INFO] [stderr] --> $DIR/fail_contravariant.rs:7:9 [INFO] [stderr] | [INFO] [stderr] 7 | Contravariant::>::default(), [INFO] [stderr] | ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^ [INFO] [stderr] = note: expected `type_variance::Contravariant>` [INFO] [stderr] found `type_variance::Contravariant>` [INFO] [stderr] ┈┈┈┈┈┈┈┈┈┈┈┈┈┈┈┈┈┈┈┈┈┈┈┈┈┈┈┈┈┈┈┈┈┈┈┈┈┈┈┈┈┈┈┈┈┈┈┈┈┈┈┈┈┈┈┈┈┈┈┈ [INFO] [stderr] [INFO] [stderr] ACTUAL OUTPUT: [INFO] [stderr] ┈┈┈┈┈┈┈┈┈┈┈┈┈┈┈┈┈┈┈┈┈┈┈┈┈┈┈┈┈┈┈┈┈┈┈┈┈┈┈┈┈┈┈┈┈┈┈┈┈┈┈┈┈┈┈┈┈┈┈┈ [INFO] [stderr] error: lifetime may not live long enough [INFO] [stderr] --> tests/fail_contravariant.rs:6:41 [INFO] [stderr] | [INFO] [stderr] 5 | fn contravariant_fail<'a>() { [INFO] [stderr] | -- lifetime `'a` defined here [INFO] [stderr] 6 | let _contra: Contra> = Contra( [INFO] [stderr] | _________________________________________^ [INFO] [stderr] 7 | | Contravariant::>::default(), [INFO] [stderr] 8 | | ); [INFO] [stderr] | |_____^ assignment requires that `'a` must outlive `'static` [INFO] [stderr] ┈┈┈┈┈┈┈┈┈┈┈┈┈┈┈┈┈┈┈┈┈┈┈┈┈┈┈┈┈┈┈┈┈┈┈┈┈┈┈┈┈┈┈┈┈┈┈┈┈┈┈┈┈┈┈┈┈┈┈┈ [INFO] [stderr] note: If the actual output is the correct output you can bless it by rerunning [INFO] [stderr] your test with the environment variable TRYBUILD=overwrite [INFO] [stderr] [INFO] [stderr] test tests/fail_invariant_covariant.rs ... mismatch [INFO] [stderr] [INFO] [stderr] EXPECTED: [INFO] [stderr] ┈┈┈┈┈┈┈┈┈┈┈┈┈┈┈┈┈┈┈┈┈┈┈┈┈┈┈┈┈┈┈┈┈┈┈┈┈┈┈┈┈┈┈┈┈┈┈┈┈┈┈┈┈┈┈┈┈┈┈┈ [INFO] [stderr] error[E0308]: mismatched types [INFO] [stderr] --> $DIR/fail_invariant_covariant.rs:7:9 [INFO] [stderr] | [INFO] [stderr] 7 | Invariant::>::default(), [INFO] [stderr] | ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^ lifetime mismatch [INFO] [stderr] | [INFO] [stderr] = note: expected struct `type_variance::Invariant>` [INFO] [stderr] found struct `type_variance::Invariant>` [INFO] [stderr] note: the lifetime `'a` as defined on the function body at 5:29... [INFO] [stderr] --> $DIR/fail_invariant_covariant.rs:5:29 [INFO] [stderr] | [INFO] [stderr] 5 | fn invariant_fail_covariant<'a>() { [INFO] [stderr] | ^^ [INFO] [stderr] = note: ...does not necessarily outlive the static lifetime [INFO] [stderr] ┈┈┈┈┈┈┈┈┈┈┈┈┈┈┈┈┈┈┈┈┈┈┈┈┈┈┈┈┈┈┈┈┈┈┈┈┈┈┈┈┈┈┈┈┈┈┈┈┈┈┈┈┈┈┈┈┈┈┈┈ [INFO] [stderr] [INFO] [stderr] ACTUAL OUTPUT: [INFO] [stderr] ┈┈┈┈┈┈┈┈┈┈┈┈┈┈┈┈┈┈┈┈┈┈┈┈┈┈┈┈┈┈┈┈┈┈┈┈┈┈┈┈┈┈┈┈┈┈┈┈┈┈┈┈┈┈┈┈┈┈┈┈ [INFO] [stderr] error: lifetime may not live long enough [INFO] [stderr] --> tests/fail_invariant_covariant.rs:6:33 [INFO] [stderr] | [INFO] [stderr] 5 | fn invariant_fail_covariant<'a>() { [INFO] [stderr] | -- lifetime `'a` defined here [INFO] [stderr] 6 | let _in: In> = In( [INFO] [stderr] | _________________________________^ [INFO] [stderr] 7 | | Invariant::>::default(), [INFO] [stderr] 8 | | ); [INFO] [stderr] | |_____^ assignment requires that `'a` must outlive `'static` [INFO] [stderr] | [INFO] [stderr] = note: requirement occurs because of the type `common::In>`, which makes the generic argument `common::Lifetime<'_>` invariant [INFO] [stderr] = note: the struct `common::In` is invariant over the parameter `X` [INFO] [stderr] = help: see for more information about variance [INFO] [stderr] ┈┈┈┈┈┈┈┈┈┈┈┈┈┈┈┈┈┈┈┈┈┈┈┈┈┈┈┈┈┈┈┈┈┈┈┈┈┈┈┈┈┈┈┈┈┈┈┈┈┈┈┈┈┈┈┈┈┈┈┈ [INFO] [stderr] note: If the actual output is the correct output you can bless it by rerunning [INFO] [stderr] your test with the environment variable TRYBUILD=overwrite [INFO] [stderr] [INFO] [stderr] test tests/fail_invariant_contravariant.rs ... mismatch [INFO] [stderr] [INFO] [stderr] EXPECTED: [INFO] [stderr] ┈┈┈┈┈┈┈┈┈┈┈┈┈┈┈┈┈┈┈┈┈┈┈┈┈┈┈┈┈┈┈┈┈┈┈┈┈┈┈┈┈┈┈┈┈┈┈┈┈┈┈┈┈┈┈┈┈┈┈┈ [INFO] [stderr] error[E0308]: mismatched types [INFO] [stderr] --> $DIR/fail_invariant_contravariant.rs:7:9 [INFO] [stderr] | [INFO] [stderr] 7 | Invariant::>::default(), [INFO] [stderr] | ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^ lifetime mismatch [INFO] [stderr] | [INFO] [stderr] = note: expected struct `type_variance::Invariant>` [INFO] [stderr] found struct `type_variance::Invariant>` [INFO] [stderr] note: the lifetime `'a` as defined on the function body at 5:33... [INFO] [stderr] --> $DIR/fail_invariant_contravariant.rs:5:33 [INFO] [stderr] | [INFO] [stderr] 5 | fn invariant_fail_contravariant<'a>() { [INFO] [stderr] | ^^ [INFO] [stderr] = note: ...does not necessarily outlive the static lifetime [INFO] [stderr] ┈┈┈┈┈┈┈┈┈┈┈┈┈┈┈┈┈┈┈┈┈┈┈┈┈┈┈┈┈┈┈┈┈┈┈┈┈┈┈┈┈┈┈┈┈┈┈┈┈┈┈┈┈┈┈┈┈┈┈┈ [INFO] [stderr] [INFO] [stderr] ACTUAL OUTPUT: [INFO] [stderr] ┈┈┈┈┈┈┈┈┈┈┈┈┈┈┈┈┈┈┈┈┈┈┈┈┈┈┈┈┈┈┈┈┈┈┈┈┈┈┈┈┈┈┈┈┈┈┈┈┈┈┈┈┈┈┈┈┈┈┈┈ [INFO] [stderr] error: lifetime may not live long enough [INFO] [stderr] --> tests/fail_invariant_contravariant.rs:6:14 [INFO] [stderr] | [INFO] [stderr] 5 | fn invariant_fail_contravariant<'a>() { [INFO] [stderr] | -- lifetime `'a` defined here [INFO] [stderr] 6 | let _in: In> = In( [INFO] [stderr] | ^^^^^^^^^^^^^^^^^^^^^ type annotation requires that `'a` must outlive `'static` [INFO] [stderr] | [INFO] [stderr] = note: requirement occurs because of the type `common::In>`, which makes the generic argument `common::Lifetime<'_>` invariant [INFO] [stderr] = note: the struct `common::In` is invariant over the parameter `X` [INFO] [stderr] = help: see for more information about variance [INFO] [stderr] ┈┈┈┈┈┈┈┈┈┈┈┈┈┈┈┈┈┈┈┈┈┈┈┈┈┈┈┈┈┈┈┈┈┈┈┈┈┈┈┈┈┈┈┈┈┈┈┈┈┈┈┈┈┈┈┈┈┈┈┈ [INFO] [stderr] note: If the actual output is the correct output you can bless it by rerunning [INFO] [stderr] your test with the environment variable TRYBUILD=overwrite [INFO] [stderr] [INFO] [stderr] [INFO] [stderr] [INFO] [stdout] test failure_tests ... FAILED [INFO] [stdout] [INFO] [stdout] failures: [INFO] [stdout] [INFO] [stdout] ---- failure_tests stdout ---- [INFO] [stdout] [INFO] [stdout] thread 'failure_tests' (29) panicked at /opt/rustwide/cargo-home/registry/src/index.crates.io-1949cf8c6b5b557f/trybuild-1.0.110/src/run.rs:102:13: [INFO] [stdout] 4 of 4 tests failed [INFO] [stdout] stack backtrace: [INFO] [stdout] 0: 0x56d3cf3a2232 - std::backtrace_rs::backtrace::libunwind::trace::h589a96ef7638b383 [INFO] [stdout] at /rustc/b83b707f97d809763b7861afa7638871f3339a33/library/std/src/../../backtrace/src/backtrace/libunwind.rs:117:9 [INFO] [stdout] 1: 0x56d3cf3a2232 - std::backtrace_rs::backtrace::trace_unsynchronized::h23a30a7548c40de4 [INFO] [stdout] at /rustc/b83b707f97d809763b7861afa7638871f3339a33/library/std/src/../../backtrace/src/backtrace/mod.rs:66:14 [INFO] [stdout] 2: 0x56d3cf3a2232 - std::sys::backtrace::_print_fmt::h87dabd6535c8c07a [INFO] [stdout] at /rustc/b83b707f97d809763b7861afa7638871f3339a33/library/std/src/sys/backtrace.rs:66:9 [INFO] [stdout] 3: 0x56d3cf3a2232 - ::fmt::hffd20ad4e5eca8ab [INFO] [stdout] at /rustc/b83b707f97d809763b7861afa7638871f3339a33/library/std/src/sys/backtrace.rs:39:26 [INFO] [stdout] 4: 0x56d3cf3b3d6f - core::fmt::rt::Argument::fmt::h75c83e3fd5ce2419 [INFO] [stdout] at /rustc/b83b707f97d809763b7861afa7638871f3339a33/library/core/src/fmt/rt.rs:173:76 [INFO] [stdout] 5: 0x56d3cf3b3d6f - core::fmt::write::h6d9d3a7cfd7b84f5 [INFO] [stdout] at /rustc/b83b707f97d809763b7861afa7638871f3339a33/library/core/src/fmt/mod.rs:1468:25 [INFO] [stdout] 6: 0x56d3cf36c9f3 - std::io::default_write_fmt::he11a713685e2464d [INFO] [stdout] at /rustc/b83b707f97d809763b7861afa7638871f3339a33/library/std/src/io/mod.rs:639:11 [INFO] [stdout] 7: 0x56d3cf36c9f3 - std::io::Write::write_fmt::h9d08f7e050bd2612 [INFO] [stdout] at /rustc/b83b707f97d809763b7861afa7638871f3339a33/library/std/src/io/mod.rs:1954:13 [INFO] [stdout] 8: 0x56d3cf379d02 - std::sys::backtrace::BacktraceLock::print::hb28797143397220e [INFO] [stdout] at /rustc/b83b707f97d809763b7861afa7638871f3339a33/library/std/src/sys/backtrace.rs:42:9 [INFO] [stdout] 9: 0x56d3cf37f21f - std::panicking::default_hook::{{closure}}::h7555113b62983743 [INFO] [stdout] at /rustc/b83b707f97d809763b7861afa7638871f3339a33/library/std/src/panicking.rs:301:27 [INFO] [stdout] 10: 0x56d3cf37f0b1 - std::panicking::default_hook::h2714b564abe8d914 [INFO] [stdout] at /rustc/b83b707f97d809763b7861afa7638871f3339a33/library/std/src/panicking.rs:325:9 [INFO] [stdout] 11: 0x56d3cf33c02e - as core::ops::function::Fn>::call::h0e9de8cceb22406e [INFO] [stdout] at /rustc/b83b707f97d809763b7861afa7638871f3339a33/library/alloc/src/boxed.rs:1999:9 [INFO] [stdout] 12: 0x56d3cf33c02e - test::test_main_with_exit_callback::{{closure}}::h8125bd66cf4739d0 [INFO] [stdout] at /rustc/b83b707f97d809763b7861afa7638871f3339a33/library/test/src/lib.rs:145:21 [INFO] [stdout] 13: 0x56d3cf37f8be - as core::ops::function::Fn>::call::h1fd0a0802eaec16b [INFO] [stdout] at /rustc/b83b707f97d809763b7861afa7638871f3339a33/library/alloc/src/boxed.rs:1999:9 [INFO] [stdout] 14: 0x56d3cf37f8be - std::panicking::panic_with_hook::h190dc82263685ec5 [INFO] [stdout] at /rustc/b83b707f97d809763b7861afa7638871f3339a33/library/std/src/panicking.rs:842:13 [INFO] [stdout] 15: 0x56d3cf37f68a - std::panicking::panic_handler::{{closure}}::h8b036a1b366643ac [INFO] [stdout] at /rustc/b83b707f97d809763b7861afa7638871f3339a33/library/std/src/panicking.rs:707:13 [INFO] [stdout] 16: 0x56d3cf379e39 - std::sys::backtrace::__rust_end_short_backtrace::h45affcfc0c830da8 [INFO] [stdout] at /rustc/b83b707f97d809763b7861afa7638871f3339a33/library/std/src/sys/backtrace.rs:174:18 [INFO] [stdout] 17: 0x56d3cf35fbbd - __rustc[9b67c8562bba447b]::rust_begin_unwind [INFO] [stdout] at /rustc/b83b707f97d809763b7861afa7638871f3339a33/library/std/src/panicking.rs:698:5 [INFO] [stdout] 18: 0x56d3cf3bd0d0 - core::panicking::panic_fmt::hc084f85b1e76c16d [INFO] [stdout] at /rustc/b83b707f97d809763b7861afa7638871f3339a33/library/core/src/panicking.rs:75:14 [INFO] [stdout] 19: 0x56d3cf20d143 - trybuild::run::::run::hd19976996582c501 [INFO] [stdout] at /opt/rustwide/cargo-home/registry/src/index.crates.io-1949cf8c6b5b557f/trybuild-1.0.110/src/run.rs:102:13 [INFO] [stdout] 20: 0x56d3cf207848 - ::drop::hc2b3942a084e9094 [INFO] [stdout] at /opt/rustwide/cargo-home/registry/src/index.crates.io-1949cf8c6b5b557f/trybuild-1.0.110/src/lib.rs:342:38 [INFO] [stdout] 21: 0x56d3cf0d4dd7 - core::ptr::drop_in_place::h44c368751ecc22fe [INFO] [stdout] at /rustc/b83b707f97d809763b7861afa7638871f3339a33/library/core/src/ptr/mod.rs:804:1 [INFO] [stdout] 22: 0x56d3cf0d4c0b - failure_tests::failure_tests::h3a8474a108e1c477 [INFO] [stdout] at /opt/rustwide/workdir/tests/fail.rs:8:1 [INFO] [stdout] 23: 0x56d3cf0d4c37 - failure_tests::failure_tests::{{closure}}::h88fb5f4af42dd1fd [INFO] [stdout] at /opt/rustwide/workdir/tests/fail.rs:2:19 [INFO] [stdout] 24: 0x56d3cf0d4d86 - core::ops::function::FnOnce::call_once::hda46d761c8beaa07 [INFO] [stdout] at /rustc/b83b707f97d809763b7861afa7638871f3339a33/library/core/src/ops/function.rs:253:5 [INFO] [stdout] 25: 0x56d3cf33bdeb - core::ops::function::FnOnce::call_once::hdbf42be2a49fb464 [INFO] [stdout] at /rustc/b83b707f97d809763b7861afa7638871f3339a33/library/core/src/ops/function.rs:253:5 [INFO] [stdout] 26: 0x56d3cf33bdeb - test::__rust_begin_short_backtrace::h8ae08814d38cb356 [INFO] [stdout] at /rustc/b83b707f97d809763b7861afa7638871f3339a33/library/test/src/lib.rs:663:18 [INFO] [stdout] 27: 0x56d3cf3518d5 - test::run_test_in_process::{{closure}}::h54574ee4f414d690 [INFO] [stdout] at /rustc/b83b707f97d809763b7861afa7638871f3339a33/library/test/src/lib.rs:686:74 [INFO] [stdout] 28: 0x56d3cf3518d5 - as core::ops::function::FnOnce<()>>::call_once::h01a0b7e7aad1a501 [INFO] [stdout] at /rustc/b83b707f97d809763b7861afa7638871f3339a33/library/core/src/panic/unwind_safe.rs:272:9 [INFO] [stdout] 29: 0x56d3cf3518d5 - std::panicking::catch_unwind::do_call::h23820e817c5612cd [INFO] [stdout] at /rustc/b83b707f97d809763b7861afa7638871f3339a33/library/std/src/panicking.rs:590:40 [INFO] [stdout] 30: 0x56d3cf3518d5 - std::panicking::catch_unwind::h89c73a1febce5587 [INFO] [stdout] at /rustc/b83b707f97d809763b7861afa7638871f3339a33/library/std/src/panicking.rs:553:19 [INFO] [stdout] 31: 0x56d3cf3518d5 - std::panic::catch_unwind::h6f55caf410861914 [INFO] [stdout] at /rustc/b83b707f97d809763b7861afa7638871f3339a33/library/std/src/panic.rs:359:14 [INFO] [stdout] 32: 0x56d3cf3518d5 - test::run_test_in_process::h4db851878e5d3983 [INFO] [stdout] at /rustc/b83b707f97d809763b7861afa7638871f3339a33/library/test/src/lib.rs:686:27 [INFO] [stdout] 33: 0x56d3cf3518d5 - test::run_test::{{closure}}::h57e8c5acaceacd24 [INFO] [stdout] at /rustc/b83b707f97d809763b7861afa7638871f3339a33/library/test/src/lib.rs:607:43 [INFO] [stdout] 34: 0x56d3cf3282c4 - test::run_test::{{closure}}::he775ccc3a9d3b97e [INFO] [stdout] at /rustc/b83b707f97d809763b7861afa7638871f3339a33/library/test/src/lib.rs:637:41 [INFO] [stdout] 35: 0x56d3cf3282c4 - std::sys::backtrace::__rust_begin_short_backtrace::hcd94d85d7765225a [INFO] [stdout] at /rustc/b83b707f97d809763b7861afa7638871f3339a33/library/std/src/sys/backtrace.rs:158:18 [INFO] [stdout] 36: 0x56d3cf32bb0a - std::thread::Builder::spawn_unchecked_::{{closure}}::{{closure}}::ha814de8393f07830 [INFO] [stdout] at /rustc/b83b707f97d809763b7861afa7638871f3339a33/library/std/src/thread/mod.rs:559:17 [INFO] [stdout] 37: 0x56d3cf32bb0a - as core::ops::function::FnOnce<()>>::call_once::h8deb00af0abdeaf1 [INFO] [stdout] at /rustc/b83b707f97d809763b7861afa7638871f3339a33/library/core/src/panic/unwind_safe.rs:272:9 [INFO] [stdout] 38: 0x56d3cf32bb0a - std::panicking::catch_unwind::do_call::h1917979b0c279ea2 [INFO] [stdout] at /rustc/b83b707f97d809763b7861afa7638871f3339a33/library/std/src/panicking.rs:590:40 [INFO] [stdout] 39: 0x56d3cf32bb0a - std::panicking::catch_unwind::h791ad91fee6ce34e [INFO] [stdout] at /rustc/b83b707f97d809763b7861afa7638871f3339a33/library/std/src/panicking.rs:553:19 [INFO] [stdout] 40: 0x56d3cf32bb0a - std::panic::catch_unwind::h982b8f40ed9c3cce [INFO] [stdout] at /rustc/b83b707f97d809763b7861afa7638871f3339a33/library/std/src/panic.rs:359:14 [INFO] [stdout] 41: 0x56d3cf32bb0a - std::thread::Builder::spawn_unchecked_::{{closure}}::h545e54700c945db4 [INFO] [stdout] at /rustc/b83b707f97d809763b7861afa7638871f3339a33/library/std/src/thread/mod.rs:557:30 [INFO] [stdout] 42: 0x56d3cf32bb0a - core::ops::function::FnOnce::call_once{{vtable.shim}}::hb427481a5227d78a [INFO] [stdout] at /rustc/b83b707f97d809763b7861afa7638871f3339a33/library/core/src/ops/function.rs:253:5 [INFO] [stdout] 43: 0x56d3cf3737ff - as core::ops::function::FnOnce>::call_once::h1d452951a81e9d0a [INFO] [stdout] at /rustc/b83b707f97d809763b7861afa7638871f3339a33/library/alloc/src/boxed.rs:1985:9 [INFO] [stdout] 44: 0x56d3cf3737ff - std::sys::pal::unix::thread::Thread::new::thread_start::h29c84e109630689a [INFO] [stdout] at /rustc/b83b707f97d809763b7861afa7638871f3339a33/library/std/src/sys/pal/unix/thread.rs:118:17 [INFO] [stdout] 45: 0x79b3734f0aa4 - [INFO] [stdout] 46: 0x79b37357da34 - clone [INFO] [stdout] 47: 0x0 - [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] failures: [INFO] [stdout] failure_tests [INFO] [stdout] [INFO] [stdout] test result: FAILED. 0 passed; 1 failed; 0 ignored; 0 measured; 0 filtered out; finished in 0.35s [INFO] [stdout] [INFO] [stderr] error: test failed, to rerun pass `--test failure_tests` [INFO] running `Command { std: "docker" "inspect" "e445b436503b1d657c03e04e41d692feb117a20597db72f6968a507967dec6f5", kill_on_drop: false }` [INFO] running `Command { std: "docker" "rm" "-f" "e445b436503b1d657c03e04e41d692feb117a20597db72f6968a507967dec6f5", kill_on_drop: false }` [INFO] [stdout] e445b436503b1d657c03e04e41d692feb117a20597db72f6968a507967dec6f5