[INFO] fetching crate type-variance 0.1.0... [INFO] testing type-variance-0.1.0 against master#caccb4d0368bd918ef6668af8e13834d07040417 for pr-146098-1 [INFO] extracting crate type-variance 0.1.0 into /workspace/builds/worker-1-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-1-tc1/source/Cargo.toml [INFO] validating manifest of crates.io crate type-variance 0.1.0 on toolchain caccb4d0368bd918ef6668af8e13834d07040417 [INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+caccb4d0368bd918ef6668af8e13834d07040417" "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" "+caccb4d0368bd918ef6668af8e13834d07040417" "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" "+caccb4d0368bd918ef6668af8e13834d07040417" "fetch" "--manifest-path" "Cargo.toml", kill_on_drop: false }` [INFO] [stderr] Downloading crates ... [INFO] [stderr] Downloaded trybuild v1.0.111 [INFO] [stderr] Downloaded target-triple v0.1.4 [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:e90291280db7d1fac5b66fc6dad9f9662629e7365a55743daf9bdf73ebc4ea79" "/opt/rustwide/cargo-home/bin/cargo" "+caccb4d0368bd918ef6668af8e13834d07040417" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }` [INFO] [stdout] dadb6080c28c47481f7dbda0d82f34ac16f53a7acb4998fc1f11ff5ac9132e6b [INFO] running `Command { std: "docker" "start" "-a" "dadb6080c28c47481f7dbda0d82f34ac16f53a7acb4998fc1f11ff5ac9132e6b", kill_on_drop: false }` [INFO] running `Command { std: "docker" "inspect" "dadb6080c28c47481f7dbda0d82f34ac16f53a7acb4998fc1f11ff5ac9132e6b", kill_on_drop: false }` [INFO] running `Command { std: "docker" "rm" "-f" "dadb6080c28c47481f7dbda0d82f34ac16f53a7acb4998fc1f11ff5ac9132e6b", kill_on_drop: false }` [INFO] [stdout] dadb6080c28c47481f7dbda0d82f34ac16f53a7acb4998fc1f11ff5ac9132e6b [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:e90291280db7d1fac5b66fc6dad9f9662629e7365a55743daf9bdf73ebc4ea79" "/opt/rustwide/cargo-home/bin/cargo" "+caccb4d0368bd918ef6668af8e13834d07040417" "build" "--frozen" "--message-format=json", kill_on_drop: false }` [INFO] [stdout] 4c9f1d9112ef43b7a73d0df57e154018e44960538a17f8aa88849f6c834d47a9 [INFO] running `Command { std: "docker" "start" "-a" "4c9f1d9112ef43b7a73d0df57e154018e44960538a17f8aa88849f6c834d47a9", 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 0.06s [INFO] running `Command { std: "docker" "inspect" "4c9f1d9112ef43b7a73d0df57e154018e44960538a17f8aa88849f6c834d47a9", kill_on_drop: false }` [INFO] running `Command { std: "docker" "rm" "-f" "4c9f1d9112ef43b7a73d0df57e154018e44960538a17f8aa88849f6c834d47a9", kill_on_drop: false }` [INFO] [stdout] 4c9f1d9112ef43b7a73d0df57e154018e44960538a17f8aa88849f6c834d47a9 [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:e90291280db7d1fac5b66fc6dad9f9662629e7365a55743daf9bdf73ebc4ea79" "/opt/rustwide/cargo-home/bin/cargo" "+caccb4d0368bd918ef6668af8e13834d07040417" "test" "--frozen" "--no-run" "--message-format=json", kill_on_drop: false }` [INFO] [stdout] f5542d0688070dbe92adae8bc202d331f0bac3bea110be439c7765dea67ec18b [INFO] running `Command { std: "docker" "start" "-a" "f5542d0688070dbe92adae8bc202d331f0bac3bea110be439c7765dea67ec18b", kill_on_drop: false }` [INFO] [stderr] Compiling serde_core v1.0.228 [INFO] [stderr] Compiling target-triple v0.1.4 [INFO] [stderr] Compiling winnow v0.7.13 [INFO] [stderr] Compiling toml_writer v1.0.3 [INFO] [stderr] Compiling termcolor v1.4.1 [INFO] [stderr] Compiling glob v0.3.3 [INFO] [stderr] Compiling toml_parser v1.0.3 [INFO] [stderr] Compiling serde_spanned v1.0.2 [INFO] [stderr] Compiling toml_datetime v0.7.2 [INFO] [stderr] Compiling serde_json v1.0.145 [INFO] [stderr] Compiling serde v1.0.228 [INFO] [stderr] Compiling toml v0.9.7 [INFO] [stderr] Compiling trybuild v1.0.111 [INFO] [stderr] Compiling type-variance v0.1.0 (/opt/rustwide/workdir) [INFO] [stderr] Finished `test` profile [unoptimized + debuginfo] target(s) in 7.55s [INFO] running `Command { std: "docker" "inspect" "f5542d0688070dbe92adae8bc202d331f0bac3bea110be439c7765dea67ec18b", kill_on_drop: false }` [INFO] running `Command { std: "docker" "rm" "-f" "f5542d0688070dbe92adae8bc202d331f0bac3bea110be439c7765dea67ec18b", kill_on_drop: false }` [INFO] [stdout] f5542d0688070dbe92adae8bc202d331f0bac3bea110be439c7765dea67ec18b [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:e90291280db7d1fac5b66fc6dad9f9662629e7365a55743daf9bdf73ebc4ea79" "/opt/rustwide/cargo-home/bin/cargo" "+caccb4d0368bd918ef6668af8e13834d07040417" "test" "--frozen", kill_on_drop: false }` [INFO] [stdout] 2100ccc6a33fe3e63e736b6ce18c1a101c47d0376b15ce6e190ddf1b265349d2 [INFO] running `Command { std: "docker" "start" "-a" "2100ccc6a33fe3e63e736b6ce18c1a101c47d0376b15ce6e190ddf1b265349d2", kill_on_drop: false }` [INFO] [stderr] Finished `test` profile [unoptimized + debuginfo] target(s) in 0.04s [INFO] [stderr] Running unittests src/lib.rs (/opt/rustwide/target/debug/deps/type_variance-80c83e34c1f62862) [INFO] [stdout] [INFO] [stdout] running 3 tests [INFO] [stdout] test tests::contravariant ... ok [INFO] [stdout] test tests::co_contra ... 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-ead4c3068539e60b) [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 0.15s [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-1.0.111/src/run.rs:102:13: [INFO] [stdout] 4 of 4 tests failed [INFO] [stdout] stack backtrace: [INFO] [stdout] 0: 0x5b4ea0496242 - std::backtrace_rs::backtrace::libunwind::trace::h76861be37b31432e [INFO] [stdout] at /rustc/caccb4d0368bd918ef6668af8e13834d07040417/library/std/src/../../backtrace/src/backtrace/libunwind.rs:117:9 [INFO] [stdout] 1: 0x5b4ea0496242 - std::backtrace_rs::backtrace::trace_unsynchronized::h58d4003082192c17 [INFO] [stdout] at /rustc/caccb4d0368bd918ef6668af8e13834d07040417/library/std/src/../../backtrace/src/backtrace/mod.rs:66:14 [INFO] [stdout] 2: 0x5b4ea0496242 - std::sys::backtrace::_print_fmt::hfe5857a399620d2a [INFO] [stdout] at /rustc/caccb4d0368bd918ef6668af8e13834d07040417/library/std/src/sys/backtrace.rs:66:9 [INFO] [stdout] 3: 0x5b4ea0496242 - ::fmt::h52160e9da139e442 [INFO] [stdout] at /rustc/caccb4d0368bd918ef6668af8e13834d07040417/library/std/src/sys/backtrace.rs:39:26 [INFO] [stdout] 4: 0x5b4ea04a7e8f - core::fmt::rt::Argument::fmt::h66fe6fef9ecca14a [INFO] [stdout] at /rustc/caccb4d0368bd918ef6668af8e13834d07040417/library/core/src/fmt/rt.rs:173:76 [INFO] [stdout] 5: 0x5b4ea04a7e8f - core::fmt::write::hf09a056a304e021a [INFO] [stdout] at /rustc/caccb4d0368bd918ef6668af8e13834d07040417/library/core/src/fmt/mod.rs:1468:25 [INFO] [stdout] 6: 0x5b4ea04600b1 - std::io::default_write_fmt::hf1a3645468226e09 [INFO] [stdout] at /rustc/caccb4d0368bd918ef6668af8e13834d07040417/library/std/src/io/mod.rs:639:11 [INFO] [stdout] 7: 0x5b4ea04600b1 - std::io::Write::write_fmt::ha5ada6d6a18bde33 [INFO] [stdout] at /rustc/caccb4d0368bd918ef6668af8e13834d07040417/library/std/src/io/mod.rs:1954:13 [INFO] [stdout] 8: 0x5b4ea046d6d2 - std::sys::backtrace::BacktraceLock::print::h15104dbcf0fd1f14 [INFO] [stdout] at /rustc/caccb4d0368bd918ef6668af8e13834d07040417/library/std/src/sys/backtrace.rs:42:9 [INFO] [stdout] 9: 0x5b4ea0472d4f - std::panicking::default_hook::{{closure}}::h0fa6cd8dbe0dd76b [INFO] [stdout] at /rustc/caccb4d0368bd918ef6668af8e13834d07040417/library/std/src/panicking.rs:301:27 [INFO] [stdout] 10: 0x5b4ea0472be1 - std::panicking::default_hook::h8d20506cf72e4831 [INFO] [stdout] at /rustc/caccb4d0368bd918ef6668af8e13834d07040417/library/std/src/panicking.rs:325:9 [INFO] [stdout] 11: 0x5b4ea04304de - as core::ops::function::Fn>::call::h3d020961abd83a77 [INFO] [stdout] at /rustc/caccb4d0368bd918ef6668af8e13834d07040417/library/alloc/src/boxed.rs:1987:9 [INFO] [stdout] 12: 0x5b4ea04304de - test::test_main_with_exit_callback::{{closure}}::h720dd2fdb2ddcdca [INFO] [stdout] at /rustc/caccb4d0368bd918ef6668af8e13834d07040417/library/test/src/lib.rs:145:21 [INFO] [stdout] 13: 0x5b4ea047340f - as core::ops::function::Fn>::call::h75334a5fed245bca [INFO] [stdout] at /rustc/caccb4d0368bd918ef6668af8e13834d07040417/library/alloc/src/boxed.rs:1987:9 [INFO] [stdout] 14: 0x5b4ea047340f - std::panicking::panic_with_hook::h746880a052e02c85 [INFO] [stdout] at /rustc/caccb4d0368bd918ef6668af8e13834d07040417/library/std/src/panicking.rs:842:13 [INFO] [stdout] 15: 0x5b4ea047326a - std::panicking::panic_handler::{{closure}}::h14b95830f89d14b3 [INFO] [stdout] at /rustc/caccb4d0368bd918ef6668af8e13834d07040417/library/std/src/panicking.rs:707:13 [INFO] [stdout] 16: 0x5b4ea046d809 - std::sys::backtrace::__rust_end_short_backtrace::h7ddaac0e9609a83d [INFO] [stdout] at /rustc/caccb4d0368bd918ef6668af8e13834d07040417/library/std/src/sys/backtrace.rs:174:18 [INFO] [stdout] 17: 0x5b4ea045341d - __rustc[76f7e7187978e2f8]::rust_begin_unwind [INFO] [stdout] at /rustc/caccb4d0368bd918ef6668af8e13834d07040417/library/std/src/panicking.rs:698:5 [INFO] [stdout] 18: 0x5b4ea04b1200 - core::panicking::panic_fmt::heb245a301f4395db [INFO] [stdout] at /rustc/caccb4d0368bd918ef6668af8e13834d07040417/library/core/src/panicking.rs:78:14 [INFO] [stdout] 19: 0x5b4ea02e7453 - trybuild::run::::run::hdb22fd052f0151e5 [INFO] [stdout] at /opt/rustwide/cargo-home/registry/src/index.crates.io-1949cf8c6b5b557f/trybuild-1.0.111/src/run.rs:102:13 [INFO] [stdout] 20: 0x5b4ea02e1578 - ::drop::h6ee1ca183c3df16d [INFO] [stdout] at /opt/rustwide/cargo-home/registry/src/index.crates.io-1949cf8c6b5b557f/trybuild-1.0.111/src/lib.rs:342:38 [INFO] [stdout] 21: 0x5b4ea01d2457 - core::ptr::drop_in_place::h08e7cbb694ba57d2 [INFO] [stdout] at /rustc/caccb4d0368bd918ef6668af8e13834d07040417/library/core/src/ptr/mod.rs:804:1 [INFO] [stdout] 22: 0x5b4ea01d228b - failure_tests::failure_tests::hcc76531cf1a0ec11 [INFO] [stdout] at /opt/rustwide/workdir/tests/fail.rs:8:1 [INFO] [stdout] 23: 0x5b4ea01d22b7 - failure_tests::failure_tests::{{closure}}::hb1aac41e191b7726 [INFO] [stdout] at /opt/rustwide/workdir/tests/fail.rs:2:19 [INFO] [stdout] 24: 0x5b4ea01d23b6 - core::ops::function::FnOnce::call_once::h3f232f98533d4da1 [INFO] [stdout] at /rustc/caccb4d0368bd918ef6668af8e13834d07040417/library/core/src/ops/function.rs:250:5 [INFO] [stdout] 25: 0x5b4ea043030b - core::ops::function::FnOnce::call_once::h933a5d67211adff2 [INFO] [stdout] at /rustc/caccb4d0368bd918ef6668af8e13834d07040417/library/core/src/ops/function.rs:250:5 [INFO] [stdout] 26: 0x5b4ea043030b - test::__rust_begin_short_backtrace::h2157af19b0990ffb [INFO] [stdout] at /rustc/caccb4d0368bd918ef6668af8e13834d07040417/library/test/src/lib.rs:663:18 [INFO] [stdout] 27: 0x5b4ea0445ee5 - test::run_test_in_process::{{closure}}::hc3b17e0f313c900a [INFO] [stdout] at /rustc/caccb4d0368bd918ef6668af8e13834d07040417/library/test/src/lib.rs:686:74 [INFO] [stdout] 28: 0x5b4ea0445ee5 - as core::ops::function::FnOnce<()>>::call_once::ha23e4b490259273c [INFO] [stdout] at /rustc/caccb4d0368bd918ef6668af8e13834d07040417/library/core/src/panic/unwind_safe.rs:274:9 [INFO] [stdout] 29: 0x5b4ea0445ee5 - std::panicking::catch_unwind::do_call::h8dc9d5da83792f7a [INFO] [stdout] at /rustc/caccb4d0368bd918ef6668af8e13834d07040417/library/std/src/panicking.rs:590:40 [INFO] [stdout] 30: 0x5b4ea0445ee5 - std::panicking::catch_unwind::h0d8461330de4a18b [INFO] [stdout] at /rustc/caccb4d0368bd918ef6668af8e13834d07040417/library/std/src/panicking.rs:553:19 [INFO] [stdout] 31: 0x5b4ea0445ee5 - std::panic::catch_unwind::h0321b51397bf9811 [INFO] [stdout] at /rustc/caccb4d0368bd918ef6668af8e13834d07040417/library/std/src/panic.rs:359:14 [INFO] [stdout] 32: 0x5b4ea0445ee5 - test::run_test_in_process::hcaaa440fdbe4a513 [INFO] [stdout] at /rustc/caccb4d0368bd918ef6668af8e13834d07040417/library/test/src/lib.rs:686:27 [INFO] [stdout] 33: 0x5b4ea0445ee5 - test::run_test::{{closure}}::h6345da602b85d6c3 [INFO] [stdout] at /rustc/caccb4d0368bd918ef6668af8e13834d07040417/library/test/src/lib.rs:607:43 [INFO] [stdout] 34: 0x5b4ea041c6f4 - test::run_test::{{closure}}::h90a3b75194d37b5d [INFO] [stdout] at /rustc/caccb4d0368bd918ef6668af8e13834d07040417/library/test/src/lib.rs:637:41 [INFO] [stdout] 35: 0x5b4ea041c6f4 - std::sys::backtrace::__rust_begin_short_backtrace::hae41a17001f53ede [INFO] [stdout] at /rustc/caccb4d0368bd918ef6668af8e13834d07040417/library/std/src/sys/backtrace.rs:158:18 [INFO] [stdout] 36: 0x5b4ea041ffba - std::thread::Builder::spawn_unchecked_::{{closure}}::{{closure}}::h6ea895368381e0b1 [INFO] [stdout] at /rustc/caccb4d0368bd918ef6668af8e13834d07040417/library/std/src/thread/mod.rs:559:17 [INFO] [stdout] 37: 0x5b4ea041ffba - as core::ops::function::FnOnce<()>>::call_once::h9c39013633bb9237 [INFO] [stdout] at /rustc/caccb4d0368bd918ef6668af8e13834d07040417/library/core/src/panic/unwind_safe.rs:274:9 [INFO] [stdout] 38: 0x5b4ea041ffba - std::panicking::catch_unwind::do_call::hac7dba9ee4d99108 [INFO] [stdout] at /rustc/caccb4d0368bd918ef6668af8e13834d07040417/library/std/src/panicking.rs:590:40 [INFO] [stdout] 39: 0x5b4ea041ffba - std::panicking::catch_unwind::h73015d00e4866ebc [INFO] [stdout] at /rustc/caccb4d0368bd918ef6668af8e13834d07040417/library/std/src/panicking.rs:553:19 [INFO] [stdout] 40: 0x5b4ea041ffba - std::panic::catch_unwind::h6f7b38e188aa4f62 [INFO] [stdout] at /rustc/caccb4d0368bd918ef6668af8e13834d07040417/library/std/src/panic.rs:359:14 [INFO] [stdout] 41: 0x5b4ea041ffba - std::thread::Builder::spawn_unchecked_::{{closure}}::h969a6a2dc1856df7 [INFO] [stdout] at /rustc/caccb4d0368bd918ef6668af8e13834d07040417/library/std/src/thread/mod.rs:557:30 [INFO] [stdout] 42: 0x5b4ea041ffba - core::ops::function::FnOnce::call_once{{vtable.shim}}::h269ad1ff23e72122 [INFO] [stdout] at /rustc/caccb4d0368bd918ef6668af8e13834d07040417/library/core/src/ops/function.rs:250:5 [INFO] [stdout] 43: 0x5b4ea04681cf - as core::ops::function::FnOnce>::call_once::hdd09a470c130e806 [INFO] [stdout] at /rustc/caccb4d0368bd918ef6668af8e13834d07040417/library/alloc/src/boxed.rs:1973:9 [INFO] [stdout] 44: 0x5b4ea04681cf - std::sys::thread::unix::Thread::new::thread_start::h14ea1ba6e320367c [INFO] [stdout] at /rustc/caccb4d0368bd918ef6668af8e13834d07040417/library/std/src/sys/thread/unix.rs:126:17 [INFO] [stdout] 45: 0x7cb2db4b1aa4 - [INFO] [stdout] 46: 0x7cb2db53ea34 - 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 0.36s [INFO] [stdout] [INFO] [stderr] error: test failed, to rerun pass `--test failure_tests` [INFO] running `Command { std: "docker" "inspect" "2100ccc6a33fe3e63e736b6ce18c1a101c47d0376b15ce6e190ddf1b265349d2", kill_on_drop: false }` [INFO] running `Command { std: "docker" "rm" "-f" "2100ccc6a33fe3e63e736b6ce18c1a101c47d0376b15ce6e190ddf1b265349d2", kill_on_drop: false }` [INFO] [stdout] 2100ccc6a33fe3e63e736b6ce18c1a101c47d0376b15ce6e190ddf1b265349d2