[INFO] fetching crate type-variance 0.1.0...
[INFO] testing type-variance-0.1.0 against master#d98a5da813da67eb189387b8ccfb73cf481275d8+rustflags=-Copt-level=3 for pr-138759
[INFO] extracting crate type-variance 0.1.0 into /workspace/builds/worker-6-tc1/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-6-tc1/source/Cargo.toml
[INFO] validating manifest of crates.io crate type-variance 0.1.0 on toolchain d98a5da813da67eb189387b8ccfb73cf481275d8
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+d98a5da813da67eb189387b8ccfb73cf481275d8" "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" "+d98a5da813da67eb189387b8ccfb73cf481275d8" "generate-lockfile" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] [stderr]     Updating crates.io index
[INFO] [stderr]      Locking 27 packages to latest compatible versions
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+d98a5da813da67eb189387b8ccfb73cf481275d8" "fetch" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-6-tc1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-6-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:e90291280db7d1fac5b66fc6dad9f9662629e7365a55743daf9bdf73ebc4ea79" "/opt/rustwide/cargo-home/bin/cargo" "+d98a5da813da67eb189387b8ccfb73cf481275d8" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] dc27d60db1324f0ac21ab5735fab1ad6d8f13f858bbf8885907d44c983324189
[INFO] running `Command { std: "docker" "start" "-a" "dc27d60db1324f0ac21ab5735fab1ad6d8f13f858bbf8885907d44c983324189", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "dc27d60db1324f0ac21ab5735fab1ad6d8f13f858bbf8885907d44c983324189", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "dc27d60db1324f0ac21ab5735fab1ad6d8f13f858bbf8885907d44c983324189", kill_on_drop: false }`
[INFO] [stdout] dc27d60db1324f0ac21ab5735fab1ad6d8f13f858bbf8885907d44c983324189
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-6-tc1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-6-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 -Copt-level=3" "-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:e90291280db7d1fac5b66fc6dad9f9662629e7365a55743daf9bdf73ebc4ea79" "/opt/rustwide/cargo-home/bin/cargo" "+d98a5da813da67eb189387b8ccfb73cf481275d8" "build" "--frozen" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] 0ef160a3cd8f0c1c5f17b6119ad223b2f72bdc7e2a501adca48891d3bf56a89d
[INFO] running `Command { std: "docker" "start" "-a" "0ef160a3cd8f0c1c5f17b6119ad223b2f72bdc7e2a501adca48891d3bf56a89d", 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 0.19s
[INFO] running `Command { std: "docker" "inspect" "0ef160a3cd8f0c1c5f17b6119ad223b2f72bdc7e2a501adca48891d3bf56a89d", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "0ef160a3cd8f0c1c5f17b6119ad223b2f72bdc7e2a501adca48891d3bf56a89d", kill_on_drop: false }`
[INFO] [stdout] 0ef160a3cd8f0c1c5f17b6119ad223b2f72bdc7e2a501adca48891d3bf56a89d
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-6-tc1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-6-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 -Copt-level=3" "-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:e90291280db7d1fac5b66fc6dad9f9662629e7365a55743daf9bdf73ebc4ea79" "/opt/rustwide/cargo-home/bin/cargo" "+d98a5da813da67eb189387b8ccfb73cf481275d8" "test" "--frozen" "--no-run" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] ef7bb75a4c82055b68c2c9dbcb21c588c506219cdbaa997cec63d63139192e85
[INFO] running `Command { std: "docker" "start" "-a" "ef7bb75a4c82055b68c2c9dbcb21c588c506219cdbaa997cec63d63139192e85", kill_on_drop: false }`
[INFO] [stderr]    Compiling toml_datetime v0.7.3
[INFO] [stderr]    Compiling serde_spanned v1.0.3
[INFO] [stderr]    Compiling toml_parser v1.0.4
[INFO] [stderr]    Compiling serde v1.0.228
[INFO] [stderr]    Compiling serde_json v1.0.145
[INFO] [stderr]    Compiling toml v0.9.8
[INFO] [stderr]    Compiling trybuild v1.0.112
[INFO] [stderr]    Compiling type-variance v0.1.0 (/opt/rustwide/workdir)
[INFO] [stderr]     Finished `test` profile [unoptimized + debuginfo] target(s) in 25.86s
[INFO] running `Command { std: "docker" "inspect" "ef7bb75a4c82055b68c2c9dbcb21c588c506219cdbaa997cec63d63139192e85", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "ef7bb75a4c82055b68c2c9dbcb21c588c506219cdbaa997cec63d63139192e85", kill_on_drop: false }`
[INFO] [stdout] ef7bb75a4c82055b68c2c9dbcb21c588c506219cdbaa997cec63d63139192e85
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-6-tc1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-6-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 -Copt-level=3" "-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:e90291280db7d1fac5b66fc6dad9f9662629e7365a55743daf9bdf73ebc4ea79" "/opt/rustwide/cargo-home/bin/cargo" "+d98a5da813da67eb189387b8ccfb73cf481275d8" "test" "--frozen", kill_on_drop: false }`
[INFO] [stdout] 0240130daafacadd6abe744de1514c78cc72e7b984550b6111c26fcbcce28d1b
[INFO] running `Command { std: "docker" "start" "-a" "0240130daafacadd6abe744de1514c78cc72e7b984550b6111c26fcbcce28d1b", kill_on_drop: false }`
[INFO] [stderr]     Finished `test` profile [unoptimized + debuginfo] target(s) in 0.07s
[INFO] [stderr]      Running unittests src/lib.rs (/opt/rustwide/target/debug/deps/type_variance-9a4139fa9b54f8f6)
[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-bb557bc87d16cf79)
[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 0.24s
[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<Lifetime<'static>> = Co(
[INFO] [stderr]   |  ______________________________________^
[INFO] [stderr] 7 | |         Covariant::<Lifetime<'a>>::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::<Lifetime<'a>>::default(),
[INFO] [stderr]   |         ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stderr]   = note: expected `type_variance::Covariant<common::Lifetime<'_>>`
[INFO] [stderr]              found `type_variance::Covariant<common::Lifetime<'a>>`
[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<Lifetime<'static>> = Co(
[INFO] [stderr]   |  ______________________________________^
[INFO] [stderr] 7 | |         Covariant::<Lifetime<'a>>::default(),
[INFO] [stderr] 8 | |     );
[INFO] [stderr]   | |_____^
[INFO] [stderr]   = note: expected `common::Co<common::Lifetime<'static>>`
[INFO] [stderr]              found `common::Co<common::Lifetime<'_>>`
[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<Lifetime<'static>> = 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::<Lifetime<'static>>::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<Lifetime<'a>> = Contra(
[INFO] [stderr]   |  _________________________________________^
[INFO] [stderr] 7 | |         Contravariant::<Lifetime<'static>>::default(),
[INFO] [stderr] 8 | |     );
[INFO] [stderr]   | |_____^
[INFO] [stderr]   = note: expected `common::Contra<common::Lifetime<'a>>`
[INFO] [stderr]              found `common::Contra<common::Lifetime<'_>>`
[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::<Lifetime<'static>>::default(),
[INFO] [stderr]   |         ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stderr]   = note: expected `type_variance::Contravariant<common::Lifetime<'_>>`
[INFO] [stderr]              found `type_variance::Contravariant<common::Lifetime<'static>>`
[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<Lifetime<'a>> = Contra(
[INFO] [stderr]   |  _________________________________________^
[INFO] [stderr] 7 | |         Contravariant::<Lifetime<'static>>::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::<Lifetime<'static>>::default(),
[INFO] [stderr]   |         ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^ lifetime mismatch
[INFO] [stderr]   |
[INFO] [stderr]   = note: expected struct `type_variance::Invariant<common::Lifetime<'a>>`
[INFO] [stderr]              found struct `type_variance::Invariant<common::Lifetime<'static>>`
[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<Lifetime<'a>> = In(
[INFO] [stderr]   |  _________________________________^
[INFO] [stderr] 7 | |         Invariant::<Lifetime<'static>>::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<common::Lifetime<'_>>`, which makes the generic argument `common::Lifetime<'_>` invariant
[INFO] [stderr]   = note: the struct `common::In<X>` is invariant over the parameter `X`
[INFO] [stderr]   = help: see <https://doc.rust-lang.org/nomicon/subtyping.html> 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::<Lifetime<'a>>::default(),
[INFO] [stderr]   |         ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^ lifetime mismatch
[INFO] [stderr]   |
[INFO] [stderr]   = note: expected struct `type_variance::Invariant<common::Lifetime<'static>>`
[INFO] [stderr]              found struct `type_variance::Invariant<common::Lifetime<'a>>`
[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<Lifetime<'static>> = In(
[INFO] [stderr]   |              ^^^^^^^^^^^^^^^^^^^^^ type annotation requires that `'a` must outlive `'static`
[INFO] [stderr]   |
[INFO] [stderr]   = note: requirement occurs because of the type `common::In<common::Lifetime<'_>>`, which makes the generic argument `common::Lifetime<'_>` invariant
[INFO] [stderr]   = note: the struct `common::In<X>` is invariant over the parameter `X`
[INFO] [stderr]   = help: see <https://doc.rust-lang.org/nomicon/subtyping.html> 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' panicked at /opt/rustwide/cargo-home/registry/src/index.crates.io-1949cf8c6b5b557f/trybuild-1.0.112/src/run.rs:102:13:
[INFO] [stdout] 4 of 4 tests failed
[INFO] [stdout] stack backtrace:
[INFO] [stdout]    0:     0x602d9d875bd2 - std::backtrace_rs::backtrace::libunwind::trace::hd39b1f53d3cf9745
[INFO] [stdout]                                at /rustc/d98a5da813da67eb189387b8ccfb73cf481275d8/library/std/src/../../backtrace/src/backtrace/libunwind.rs:117:9
[INFO] [stdout]    1:     0x602d9d875bd2 - std::backtrace_rs::backtrace::trace_unsynchronized::he91d9a75d4e3972b
[INFO] [stdout]                                at /rustc/d98a5da813da67eb189387b8ccfb73cf481275d8/library/std/src/../../backtrace/src/backtrace/mod.rs:66:14
[INFO] [stdout]    2:     0x602d9d875bd2 - std::sys::backtrace::_print_fmt::hca46938f8c6e22cf
[INFO] [stdout]                                at /rustc/d98a5da813da67eb189387b8ccfb73cf481275d8/library/std/src/sys/backtrace.rs:66:9
[INFO] [stdout]    3:     0x602d9d875bd2 - <std::sys::backtrace::BacktraceLock::print::DisplayBacktrace as core::fmt::Display>::fmt::ha499add612cccf8e
[INFO] [stdout]                                at /rustc/d98a5da813da67eb189387b8ccfb73cf481275d8/library/std/src/sys/backtrace.rs:39:26
[INFO] [stdout]    4:     0x602d9d89e943 - core::fmt::rt::Argument::fmt::hd21145b75a833b7a
[INFO] [stdout]                                at /rustc/d98a5da813da67eb189387b8ccfb73cf481275d8/library/core/src/fmt/rt.rs:173:76
[INFO] [stdout]    5:     0x602d9d89e943 - core::fmt::write::hb10c956f5235c8a4
[INFO] [stdout]                                at /rustc/d98a5da813da67eb189387b8ccfb73cf481275d8/library/core/src/fmt/mod.rs:1465:25
[INFO] [stdout]    6:     0x602d9d8721d3 - std::io::default_write_fmt::hdb7615052be2ba4d
[INFO] [stdout]                                at /rustc/d98a5da813da67eb189387b8ccfb73cf481275d8/library/std/src/io/mod.rs:639:11
[INFO] [stdout]    7:     0x602d9d8721d3 - std::io::Write::write_fmt::he1bcd251ec6e4153
[INFO] [stdout]                                at /rustc/d98a5da813da67eb189387b8ccfb73cf481275d8/library/std/src/io/mod.rs:1954:13
[INFO] [stdout]    8:     0x602d9d875a22 - std::sys::backtrace::BacktraceLock::print::hb47c770ef659fd10
[INFO] [stdout]                                at /rustc/d98a5da813da67eb189387b8ccfb73cf481275d8/library/std/src/sys/backtrace.rs:42:9
[INFO] [stdout]    9:     0x602d9d877bbc - std::panicking::default_hook::{{closure}}::hdda8afb9d457a22c
[INFO] [stdout]                                at /rustc/d98a5da813da67eb189387b8ccfb73cf481275d8/library/std/src/panicking.rs:300:27
[INFO] [stdout]   10:     0x602d9d877a12 - std::panicking::default_hook::h7c46b44874fe5c9a
[INFO] [stdout]                                at /rustc/d98a5da813da67eb189387b8ccfb73cf481275d8/library/std/src/panicking.rs:324:9
[INFO] [stdout]   11:     0x602d9d83c4c4 - <alloc::boxed::Box<F,A> as core::ops::function::Fn<Args>>::call::h178a5fcedee41e2f
[INFO] [stdout]                                at /rustc/d98a5da813da67eb189387b8ccfb73cf481275d8/library/alloc/src/boxed.rs:1985:9
[INFO] [stdout]   12:     0x602d9d83c4c4 - test::test_main_with_exit_callback::{{closure}}::h951a41e0149d6d5d
[INFO] [stdout]                                at /rustc/d98a5da813da67eb189387b8ccfb73cf481275d8/library/test/src/lib.rs:145:21
[INFO] [stdout]   13:     0x602d9d87859b - <alloc::boxed::Box<F,A> as core::ops::function::Fn<Args>>::call::h13602080f5b63276
[INFO] [stdout]                                at /rustc/d98a5da813da67eb189387b8ccfb73cf481275d8/library/alloc/src/boxed.rs:1985:9
[INFO] [stdout]   14:     0x602d9d87859b - std::panicking::rust_panic_with_hook::ha6cb99ed099eb1c5
[INFO] [stdout]                                at /rustc/d98a5da813da67eb189387b8ccfb73cf481275d8/library/std/src/panicking.rs:841:13
[INFO] [stdout]   15:     0x602d9d87836a - std::panicking::begin_panic_handler::{{closure}}::he11808bc797ee921
[INFO] [stdout]                                at /rustc/d98a5da813da67eb189387b8ccfb73cf481275d8/library/std/src/panicking.rs:706:13
[INFO] [stdout]   16:     0x602d9d8760c9 - std::sys::backtrace::__rust_end_short_backtrace::h9418807cb7346258
[INFO] [stdout]                                at /rustc/d98a5da813da67eb189387b8ccfb73cf481275d8/library/std/src/sys/backtrace.rs:168:18
[INFO] [stdout]   17:     0x602d9d877ffd - __rustc[18fb429eef004894]::rust_begin_unwind
[INFO] [stdout]                                at /rustc/d98a5da813da67eb189387b8ccfb73cf481275d8/library/std/src/panicking.rs:697:5
[INFO] [stdout]   18:     0x602d9d89ce70 - core::panicking::panic_fmt::hd890aeb12c3a3fc3
[INFO] [stdout]                                at /rustc/d98a5da813da67eb189387b8ccfb73cf481275d8/library/core/src/panicking.rs:75:14
[INFO] [stdout]   19:     0x602d9d74e5b0 - trybuild::run::<impl trybuild::Runner>::run::h904fe1cd1bea7527
[INFO] [stdout]   20:     0x602d9d751a70 - <trybuild::TestCases as core::ops::drop::Drop>::drop::h7ee53cec775d77ae
[INFO] [stdout]                                at /opt/rustwide/cargo-home/registry/src/index.crates.io-1949cf8c6b5b557f/trybuild-1.0.112/src/lib.rs:342:38
[INFO] [stdout]   21:     0x602d9d747ab2 - core::ptr::drop_in_place<trybuild::TestCases>::h2436f0d0a527496c
[INFO] [stdout]                                at /rustc/d98a5da813da67eb189387b8ccfb73cf481275d8/library/core/src/ptr/mod.rs:799:1
[INFO] [stdout]   22:     0x602d9d747ab2 - failure_tests::failure_tests::hf90c408d4fe798ea
[INFO] [stdout]                                at /opt/rustwide/workdir/tests/fail.rs:8:1
[INFO] [stdout]   23:     0x602d9d747ab2 - failure_tests::failure_tests::{{closure}}::h7462fbad6cd431fc
[INFO] [stdout]                                at /opt/rustwide/workdir/tests/fail.rs:2:19
[INFO] [stdout]   24:     0x602d9d747ab2 - core::ops::function::FnOnce::call_once::haad8b46ddee70793
[INFO] [stdout]                                at /rustc/d98a5da813da67eb189387b8ccfb73cf481275d8/library/core/src/ops/function.rs:250:5
[INFO] [stdout]   25:     0x602d9d841c4b - core::ops::function::FnOnce::call_once::h2869fb5b0a2b0bdc
[INFO] [stdout]                                at /rustc/d98a5da813da67eb189387b8ccfb73cf481275d8/library/core/src/ops/function.rs:250:5
[INFO] [stdout]   26:     0x602d9d841c4b - test::__rust_begin_short_backtrace::h7dd7142bd62fa711
[INFO] [stdout]                                at /rustc/d98a5da813da67eb189387b8ccfb73cf481275d8/library/test/src/lib.rs:648:18
[INFO] [stdout]   27:     0x602d9d840e3e - test::run_test_in_process::{{closure}}::h43a753f038d36b3f
[INFO] [stdout]                                at /rustc/d98a5da813da67eb189387b8ccfb73cf481275d8/library/test/src/lib.rs:671:74
[INFO] [stdout]   28:     0x602d9d840e3e - <core::panic::unwind_safe::AssertUnwindSafe<F> as core::ops::function::FnOnce<()>>::call_once::h0ca95dd3e12d1e16
[INFO] [stdout]                                at /rustc/d98a5da813da67eb189387b8ccfb73cf481275d8/library/core/src/panic/unwind_safe.rs:272:9
[INFO] [stdout]   29:     0x602d9d840e3e - std::panicking::catch_unwind::do_call::he308587d70ac34ba
[INFO] [stdout]                                at /rustc/d98a5da813da67eb189387b8ccfb73cf481275d8/library/std/src/panicking.rs:589:40
[INFO] [stdout]   30:     0x602d9d840e3e - std::panicking::catch_unwind::h30dcba31973e8fb0
[INFO] [stdout]                                at /rustc/d98a5da813da67eb189387b8ccfb73cf481275d8/library/std/src/panicking.rs:552:19
[INFO] [stdout]   31:     0x602d9d840e3e - std::panic::catch_unwind::hfb68364e5621fbee
[INFO] [stdout]                                at /rustc/d98a5da813da67eb189387b8ccfb73cf481275d8/library/std/src/panic.rs:359:14
[INFO] [stdout]   32:     0x602d9d840e3e - test::run_test_in_process::hcdcc2977903b998a
[INFO] [stdout]                                at /rustc/d98a5da813da67eb189387b8ccfb73cf481275d8/library/test/src/lib.rs:671:27
[INFO] [stdout]   33:     0x602d9d840e3e - test::run_test::{{closure}}::h544a6550958c5d14
[INFO] [stdout]                                at /rustc/d98a5da813da67eb189387b8ccfb73cf481275d8/library/test/src/lib.rs:592:43
[INFO] [stdout]   34:     0x602d9d8049b4 - test::run_test::{{closure}}::hb172e48ebe2b92c7
[INFO] [stdout]                                at /rustc/d98a5da813da67eb189387b8ccfb73cf481275d8/library/test/src/lib.rs:622:41
[INFO] [stdout]   35:     0x602d9d8049b4 - std::sys::backtrace::__rust_begin_short_backtrace::h7e79d8706638bea0
[INFO] [stdout]                                at /rustc/d98a5da813da67eb189387b8ccfb73cf481275d8/library/std/src/sys/backtrace.rs:152:18
[INFO] [stdout]   36:     0x602d9d80838a - std::thread::Builder::spawn_unchecked_::{{closure}}::{{closure}}::hc4a275f1e71b8ab0
[INFO] [stdout]                                at /rustc/d98a5da813da67eb189387b8ccfb73cf481275d8/library/std/src/thread/mod.rs:559:17
[INFO] [stdout]   37:     0x602d9d80838a - <core::panic::unwind_safe::AssertUnwindSafe<F> as core::ops::function::FnOnce<()>>::call_once::h01ed0d242df78cfd
[INFO] [stdout]                                at /rustc/d98a5da813da67eb189387b8ccfb73cf481275d8/library/core/src/panic/unwind_safe.rs:272:9
[INFO] [stdout]   38:     0x602d9d80838a - std::panicking::catch_unwind::do_call::h052f373fb905fee0
[INFO] [stdout]                                at /rustc/d98a5da813da67eb189387b8ccfb73cf481275d8/library/std/src/panicking.rs:589:40
[INFO] [stdout]   39:     0x602d9d80838a - std::panicking::catch_unwind::hb425d20c8ffb09c8
[INFO] [stdout]                                at /rustc/d98a5da813da67eb189387b8ccfb73cf481275d8/library/std/src/panicking.rs:552:19
[INFO] [stdout]   40:     0x602d9d80838a - std::panic::catch_unwind::ha0d5dfbf18fdeda5
[INFO] [stdout]                                at /rustc/d98a5da813da67eb189387b8ccfb73cf481275d8/library/std/src/panic.rs:359:14
[INFO] [stdout]   41:     0x602d9d80838a - std::thread::Builder::spawn_unchecked_::{{closure}}::hbe79182bd37949c7
[INFO] [stdout]                                at /rustc/d98a5da813da67eb189387b8ccfb73cf481275d8/library/std/src/thread/mod.rs:557:30
[INFO] [stdout]   42:     0x602d9d80838a - core::ops::function::FnOnce::call_once{{vtable.shim}}::hc096c4a06972fde5
[INFO] [stdout]                                at /rustc/d98a5da813da67eb189387b8ccfb73cf481275d8/library/core/src/ops/function.rs:250:5
[INFO] [stdout]   43:     0x602d9d87bc37 - <alloc::boxed::Box<F,A> as core::ops::function::FnOnce<Args>>::call_once::h47377e27fb938a26
[INFO] [stdout]                                at /rustc/d98a5da813da67eb189387b8ccfb73cf481275d8/library/alloc/src/boxed.rs:1971:9
[INFO] [stdout]   44:     0x602d9d87bc37 - <alloc::boxed::Box<F,A> as core::ops::function::FnOnce<Args>>::call_once::h72f1fe5d095abf57
[INFO] [stdout]                                at /rustc/d98a5da813da67eb189387b8ccfb73cf481275d8/library/alloc/src/boxed.rs:1971:9
[INFO] [stdout]   45:     0x602d9d87bc37 - std::sys::pal::unix::thread::Thread::new::thread_start::h0a4d8e1b9c0d38cf
[INFO] [stdout]                                at /rustc/d98a5da813da67eb189387b8ccfb73cf481275d8/library/std/src/sys/pal/unix/thread.rs:97:17
[INFO] [stdout]   46:     0x7d95e43cdaa4 - <unknown>
[INFO] [stdout]   47:     0x7d95e445aa34 - clone
[INFO] [stdout]   48:                0x0 - <unknown>
[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 0.67s
[INFO] [stdout] 
[INFO] [stderr] error: test failed, to rerun pass `--test failure_tests`
[INFO] running `Command { std: "docker" "inspect" "0240130daafacadd6abe744de1514c78cc72e7b984550b6111c26fcbcce28d1b", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "0240130daafacadd6abe744de1514c78cc72e7b984550b6111c26fcbcce28d1b", kill_on_drop: false }`
[INFO] [stdout] 0240130daafacadd6abe744de1514c78cc72e7b984550b6111c26fcbcce28d1b
