[INFO] fetching crate variadics 0.0.9...
[INFO] testing variadics-0.0.9 against try#c2e32f1c9652b13ed99608599c1e855462f421f3 for pr-146098-7
[INFO] extracting crate variadics 0.0.9 into /workspace/builds/worker-4-tc2/source
[INFO] started tweaking crates.io crate variadics 0.0.9
[INFO] removed 0 missing examples
[INFO] removed 0 missing tests
[INFO] finished tweaking crates.io crate variadics 0.0.9
[INFO] tweaked toml for crates.io crate variadics 0.0.9 written to /workspace/builds/worker-4-tc2/source/Cargo.toml
[INFO] validating manifest of crates.io crate variadics 0.0.9 on toolchain c2e32f1c9652b13ed99608599c1e855462f421f3
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+c2e32f1c9652b13ed99608599c1e855462f421f3" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }`
[INFO] crate crates.io crate variadics 0.0.9 already has a lockfile, it will not be regenerated
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+c2e32f1c9652b13ed99608599c1e855462f421f3" "fetch" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-4-tc2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-4-tc2/source:/opt/rustwide/workdir:ro,Z" "-v" "/var/lib/crater-agent-workspace/cargo-home:/opt/rustwide/cargo-home:ro,Z" "-v" "/var/lib/crater-agent-workspace/rustup-home:/opt/rustwide/rustup-home:ro,Z" "-e" "SOURCE_DIR=/opt/rustwide/workdir" "-e" "CARGO_TARGET_DIR=/opt/rustwide/target" "-e" "CARGO_HOME=/opt/rustwide/cargo-home" "-e" "RUSTUP_HOME=/opt/rustwide/rustup-home" "-w" "/opt/rustwide/workdir" "-m" "1610612736" "--user" "0:0" "--network" "none" "ghcr.io/rust-lang/crates-build-env/linux@sha256:4848fb76d95f26979359cc7e45710b1dbc8f3acb7aeedee7c460d7702230f228" "/opt/rustwide/cargo-home/bin/cargo" "+c2e32f1c9652b13ed99608599c1e855462f421f3" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] 0d3e844e82f1a0dc517305d483731b4f0421364ce5873f407bbe6758d5385c14
[INFO] running `Command { std: "docker" "start" "-a" "0d3e844e82f1a0dc517305d483731b4f0421364ce5873f407bbe6758d5385c14", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "0d3e844e82f1a0dc517305d483731b4f0421364ce5873f407bbe6758d5385c14", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "0d3e844e82f1a0dc517305d483731b4f0421364ce5873f407bbe6758d5385c14", kill_on_drop: false }`
[INFO] [stdout] 0d3e844e82f1a0dc517305d483731b4f0421364ce5873f407bbe6758d5385c14
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-4-tc2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-4-tc2/source:/opt/rustwide/workdir:ro,Z" "-v" "/var/lib/crater-agent-workspace/cargo-home:/opt/rustwide/cargo-home:ro,Z" "-v" "/var/lib/crater-agent-workspace/rustup-home:/opt/rustwide/rustup-home:ro,Z" "-e" "SOURCE_DIR=/opt/rustwide/workdir" "-e" "CARGO_TARGET_DIR=/opt/rustwide/target" "-e" "CARGO_INCREMENTAL=0" "-e" "RUST_BACKTRACE=full" "-e" "RUSTFLAGS=--cap-lints=forbid" "-e" "RUSTDOCFLAGS=--cap-lints=forbid" "-e" "CARGO_HOME=/opt/rustwide/cargo-home" "-e" "RUSTUP_HOME=/opt/rustwide/rustup-home" "-w" "/opt/rustwide/workdir" "-m" "1610612736" "--user" "0:0" "--network" "none" "ghcr.io/rust-lang/crates-build-env/linux@sha256:4848fb76d95f26979359cc7e45710b1dbc8f3acb7aeedee7c460d7702230f228" "/opt/rustwide/cargo-home/bin/cargo" "+c2e32f1c9652b13ed99608599c1e855462f421f3" "build" "--frozen" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] 22edb0f0d7a88dc054cbfc7b9684fd13d3d8ce803f46a36d54ee37b092491142
[INFO] running `Command { std: "docker" "start" "-a" "22edb0f0d7a88dc054cbfc7b9684fd13d3d8ce803f46a36d54ee37b092491142", kill_on_drop: false }`
[INFO] [stderr]    Compiling proc-macro2 v1.0.93
[INFO] [stderr]    Compiling unicode-ident v1.0.12
[INFO] [stderr]    Compiling zerocopy v0.7.35
[INFO] [stderr]    Compiling once_cell v1.19.0
[INFO] [stderr]    Compiling allocator-api2 v0.2.18
[INFO] [stderr]    Compiling heck v0.4.1
[INFO] [stderr]    Compiling ahash v0.8.11
[INFO] [stderr]    Compiling hashbrown v0.14.5
[INFO] [stderr]    Compiling quote v1.0.37
[INFO] [stderr]    Compiling syn v2.0.98
[INFO] [stderr]    Compiling sealed v0.5.0
[INFO] [stderr]    Compiling variadics v0.0.9 (/opt/rustwide/workdir)
[INFO] [stderr]     Finished `dev` profile [unoptimized + debuginfo] target(s) in 6.38s
[INFO] running `Command { std: "docker" "inspect" "22edb0f0d7a88dc054cbfc7b9684fd13d3d8ce803f46a36d54ee37b092491142", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "22edb0f0d7a88dc054cbfc7b9684fd13d3d8ce803f46a36d54ee37b092491142", kill_on_drop: false }`
[INFO] [stdout] 22edb0f0d7a88dc054cbfc7b9684fd13d3d8ce803f46a36d54ee37b092491142
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-4-tc2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-4-tc2/source:/opt/rustwide/workdir:ro,Z" "-v" "/var/lib/crater-agent-workspace/cargo-home:/opt/rustwide/cargo-home:ro,Z" "-v" "/var/lib/crater-agent-workspace/rustup-home:/opt/rustwide/rustup-home:ro,Z" "-e" "SOURCE_DIR=/opt/rustwide/workdir" "-e" "CARGO_TARGET_DIR=/opt/rustwide/target" "-e" "CARGO_INCREMENTAL=0" "-e" "RUST_BACKTRACE=full" "-e" "RUSTFLAGS=--cap-lints=forbid" "-e" "RUSTDOCFLAGS=--cap-lints=forbid" "-e" "CARGO_HOME=/opt/rustwide/cargo-home" "-e" "RUSTUP_HOME=/opt/rustwide/rustup-home" "-w" "/opt/rustwide/workdir" "-m" "1610612736" "--user" "0:0" "--network" "none" "ghcr.io/rust-lang/crates-build-env/linux@sha256:4848fb76d95f26979359cc7e45710b1dbc8f3acb7aeedee7c460d7702230f228" "/opt/rustwide/cargo-home/bin/cargo" "+c2e32f1c9652b13ed99608599c1e855462f421f3" "test" "--frozen" "--no-run" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] 118c4fd2529f518c09a2f0689304cd115894dc42a7b3acef172a38955f5d465f
[INFO] running `Command { std: "docker" "start" "-a" "118c4fd2529f518c09a2f0689304cd115894dc42a7b3acef172a38955f5d465f", kill_on_drop: false }`
[INFO] [stderr]    Compiling serde v1.0.210
[INFO] [stderr]    Compiling hashbrown v0.15.0
[INFO] [stderr]    Compiling winnow v0.6.18
[INFO] [stderr]    Compiling serde_json v1.0.128
[INFO] [stderr]    Compiling trybuild v1.0.99
[INFO] [stderr]    Compiling itoa v1.0.11
[INFO] [stderr]    Compiling serde_derive v1.0.210
[INFO] [stderr]    Compiling indexmap v2.6.0
[INFO] [stderr]    Compiling toml_datetime v0.6.8
[INFO] [stderr]    Compiling serde_spanned v0.6.7
[INFO] [stderr]    Compiling toml_edit v0.22.20
[INFO] [stderr]    Compiling toml v0.8.19
[INFO] [stderr]    Compiling variadics v0.0.9 (/opt/rustwide/workdir)
[INFO] [stdout] warning: this lint expectation is unfulfilled
[INFO] [stdout]    --> src/lib.rs:873:14
[INFO] [stdout]     |
[INFO] [stdout] 873 |     #[expect(dead_code, reason = "compilation test")]
[INFO] [stdout]     |              ^^^^^^^^^
[INFO] [stdout]     |
[INFO] [stdout]     = note: compilation test
[INFO] [stdout]     = note: `#[warn(unfulfilled_lint_expectations)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr]     Finished `test` profile [unoptimized + debuginfo] target(s) in 16.18s
[INFO] running `Command { std: "docker" "inspect" "118c4fd2529f518c09a2f0689304cd115894dc42a7b3acef172a38955f5d465f", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "118c4fd2529f518c09a2f0689304cd115894dc42a7b3acef172a38955f5d465f", kill_on_drop: false }`
[INFO] [stdout] 118c4fd2529f518c09a2f0689304cd115894dc42a7b3acef172a38955f5d465f
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-4-tc2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-4-tc2/source:/opt/rustwide/workdir:ro,Z" "-v" "/var/lib/crater-agent-workspace/cargo-home:/opt/rustwide/cargo-home:ro,Z" "-v" "/var/lib/crater-agent-workspace/rustup-home:/opt/rustwide/rustup-home:ro,Z" "-e" "SOURCE_DIR=/opt/rustwide/workdir" "-e" "CARGO_TARGET_DIR=/opt/rustwide/target" "-e" "CARGO_INCREMENTAL=0" "-e" "RUST_BACKTRACE=full" "-e" "RUSTFLAGS=--cap-lints=forbid" "-e" "RUSTDOCFLAGS=--cap-lints=forbid" "-e" "CARGO_HOME=/opt/rustwide/cargo-home" "-e" "RUSTUP_HOME=/opt/rustwide/rustup-home" "-w" "/opt/rustwide/workdir" "-m" "1610612736" "--user" "0:0" "--network" "none" "ghcr.io/rust-lang/crates-build-env/linux@sha256:4848fb76d95f26979359cc7e45710b1dbc8f3acb7aeedee7c460d7702230f228" "/opt/rustwide/cargo-home/bin/cargo" "+c2e32f1c9652b13ed99608599c1e855462f421f3" "test" "--frozen", kill_on_drop: false }`
[INFO] [stdout] 6b9caddae17f0afaeff1e928a62459275acb92d297aa004117c5f8c8e17b5046
[INFO] running `Command { std: "docker" "start" "-a" "6b9caddae17f0afaeff1e928a62459275acb92d297aa004117c5f8c8e17b5046", kill_on_drop: false }`
[INFO] [stderr] warning: this lint expectation is unfulfilled
[INFO] [stderr]    --> src/lib.rs:873:14
[INFO] [stderr]     |
[INFO] [stderr] 873 |     #[expect(dead_code, reason = "compilation test")]
[INFO] [stderr]     |              ^^^^^^^^^
[INFO] [stderr]     |
[INFO] [stderr]     = note: compilation test
[INFO] [stderr]     = note: `#[warn(unfulfilled_lint_expectations)]` on by default
[INFO] [stderr] 
[INFO] [stderr] warning: `variadics` (lib test) generated 1 warning
[INFO] [stderr]     Finished `test` profile [unoptimized + debuginfo] target(s) in 0.76s
[INFO] [stderr]      Running unittests src/lib.rs (/opt/rustwide/target/debug/deps/variadics-9f7374b021aacd0e)
[INFO] [stdout] 
[INFO] [stdout] running 9 tests
[INFO] [stdout] test clone_var_test ... ok
[INFO] [stdout] test test::test_homogenous_get ... ok
[INFO] [stdout] test test::test_basic_expr ... ok
[INFO] [stdout] test test::test_as_ref_var ... ok
[INFO] [stdout] test test::test_as_mut_var ... ok
[INFO] [stdout] test test::test_into_vec ... ok
[INFO] [stdout] test test::test_iter_any ... ok
[INFO] [stdout] test variadic_collections::test::test_collections ... ok
[INFO] [stdout] test test_eq_ref_vec ... ok
[INFO] [stderr]      Running tests/boxed_refed.rs (/opt/rustwide/target/debug/deps/boxed_refed-eed85abcd9eb56b6)
[INFO] [stdout] 
[INFO] [stdout] test result: ok. 9 passed; 0 failed; 0 ignored; 0 measured; 0 filtered out; finished in 0.03s
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] running 0 tests
[INFO] [stdout] 
[INFO] [stdout] test result: ok. 0 passed; 0 failed; 0 ignored; 0 measured; 0 filtered out; finished in 0.00s
[INFO] [stdout] 
[INFO] [stderr]      Running tests/compile_fail.rs (/opt/rustwide/target/debug/deps/compile_fail-2e4eee75272b7840)
[INFO] [stdout] 
[INFO] [stdout] running 1 test
[INFO] [stderr]    Compiling proc-macro2 v1.0.93
[INFO] [stderr]    Compiling version_check v0.9.5
[INFO] [stderr]    Compiling unicode-ident v1.0.12
[INFO] [stderr]     Checking zerocopy v0.7.35
[INFO] [stderr]     Checking cfg-if v1.0.0
[INFO] [stderr]     Checking once_cell v1.19.0
[INFO] [stderr]     Checking allocator-api2 v0.2.18
[INFO] [stderr]    Compiling heck v0.4.1
[INFO] [stderr]    Compiling ahash v0.8.11
[INFO] [stderr]     Checking hashbrown v0.14.5
[INFO] [stderr]    Compiling quote v1.0.37
[INFO] [stderr]    Compiling syn v2.0.98
[INFO] [stderr]    Compiling sealed v0.5.0
[INFO] [stderr]     Checking variadics v0.0.9 (/opt/rustwide/workdir)
[INFO] [stderr]     Checking variadics-tests v0.0.0 (/opt/rustwide/target/tests/trybuild/variadics)
[INFO] [stderr]     Finished `dev` profile [unoptimized + debuginfo] target(s) in 8.31s
[INFO] [stderr] 
[INFO] [stderr] 
[INFO] [stderr] test tests/compile-fail/var_args_spread_middle.rs ... mismatch
[INFO] [stderr] 
[INFO] [stderr] EXPECTED:
[INFO] [stderr] ┈┈┈┈┈┈┈┈┈┈┈┈┈┈┈┈┈┈┈┈┈┈┈┈┈┈┈┈┈┈┈┈┈┈┈┈┈┈┈┈┈┈┈┈┈┈┈┈┈┈┈┈┈┈┈┈┈┈┈┈
[INFO] [stderr] error: `var_args!` can only have the `...` spread syntax on the last field.
[INFO] [stderr]  --> tests/compile-fail/var_args_spread_middle.rs:4:9
[INFO] [stderr]   |
[INFO] [stderr] 4 |     let var_args!(a, ...b, c) = var_expr!(1, 2.0, "three", false);
[INFO] [stderr]   |         ^^^^^^^^^^^^^^^^^^^^^
[INFO] [stderr]   |
[INFO] [stderr]   = note: this error originates in the macro `$crate::var_args` which comes from the expansion of the macro `var_args` (in Nightly builds, run with -Z macro-backtrace for more info)
[INFO] [stderr] 
[INFO] [stderr] warning: unused variable: `a`
[INFO] [stderr]  --> tests/compile-fail/var_args_spread_middle.rs:4:19
[INFO] [stderr]   |
[INFO] [stderr] 4 |     let var_args!(a, ...b, c) = var_expr!(1, 2.0, "three", false);
[INFO] [stderr]   |                   ^ help: if this is intentional, prefix it with an underscore: `_a`
[INFO] [stderr]   |
[INFO] [stderr]   = note: `#[warn(unused_variables)]` on by default
[INFO] [stderr] ┈┈┈┈┈┈┈┈┈┈┈┈┈┈┈┈┈┈┈┈┈┈┈┈┈┈┈┈┈┈┈┈┈┈┈┈┈┈┈┈┈┈┈┈┈┈┈┈┈┈┈┈┈┈┈┈┈┈┈┈
[INFO] [stderr] 
[INFO] [stderr] ACTUAL OUTPUT:
[INFO] [stderr] ┈┈┈┈┈┈┈┈┈┈┈┈┈┈┈┈┈┈┈┈┈┈┈┈┈┈┈┈┈┈┈┈┈┈┈┈┈┈┈┈┈┈┈┈┈┈┈┈┈┈┈┈┈┈┈┈┈┈┈┈
[INFO] [stderr] error: `var_args!` can only have the `...` spread syntax on the last field.
[INFO] [stderr]  --> tests/compile-fail/var_args_spread_middle.rs:4:9
[INFO] [stderr]   |
[INFO] [stderr] 4 |     let var_args!(a, ...b, c) = var_expr!(1, 2.0, "three", false);
[INFO] [stderr]   |         ^^^^^^^^^^^^^^^^^^^^^
[INFO] [stderr]   |
[INFO] [stderr]   = note: this error originates in the macro `$crate::var_args` which comes from the expansion of the macro `var_args` (in Nightly builds, run with -Z macro-backtrace for more info)
[INFO] [stderr] 
[INFO] [stderr] warning: variable `a` is assigned to, but never used
[INFO] [stderr]  --> tests/compile-fail/var_args_spread_middle.rs:4:19
[INFO] [stderr]   |
[INFO] [stderr] 4 |     let var_args!(a, ...b, c) = var_expr!(1, 2.0, "three", false);
[INFO] [stderr]   |                   ^
[INFO] [stderr]   |
[INFO] [stderr]   = note: consider using `_a` instead
[INFO] [stderr]   = note: `#[warn(unused_variables)]` (part of `#[warn(unused)]`) on by default
[INFO] [stderr] 
[INFO] [stderr] warning: value assigned to `a` is never read
[INFO] [stderr]  --> tests/compile-fail/var_args_spread_middle.rs:4:19
[INFO] [stderr]   |
[INFO] [stderr] 4 |     let var_args!(a, ...b, c) = var_expr!(1, 2.0, "three", false);
[INFO] [stderr]   |                   ^
[INFO] [stderr]   |
[INFO] [stderr]   = help: maybe it is overwritten before being read?
[INFO] [stderr]   = note: `#[warn(unused_assignments)]` (part of `#[warn(unused)]`) on by default
[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/compile-fail/var_args_spread_twice.rs ... mismatch
[INFO] [stderr] 
[INFO] [stderr] EXPECTED:
[INFO] [stderr] ┈┈┈┈┈┈┈┈┈┈┈┈┈┈┈┈┈┈┈┈┈┈┈┈┈┈┈┈┈┈┈┈┈┈┈┈┈┈┈┈┈┈┈┈┈┈┈┈┈┈┈┈┈┈┈┈┈┈┈┈
[INFO] [stderr] error: `var_args!` can only have the `...` spread syntax on the last field.
[INFO] [stderr]  --> tests/compile-fail/var_args_spread_twice.rs:4:9
[INFO] [stderr]   |
[INFO] [stderr] 4 |     let var_args!(a, ...b, ...c) = var_expr!(1, 2.0, "three", false);
[INFO] [stderr]   |         ^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stderr]   |
[INFO] [stderr]   = note: this error originates in the macro `$crate::var_args` which comes from the expansion of the macro `var_args` (in Nightly builds, run with -Z macro-backtrace for more info)
[INFO] [stderr] 
[INFO] [stderr] warning: unused variable: `a`
[INFO] [stderr]  --> tests/compile-fail/var_args_spread_twice.rs:4:19
[INFO] [stderr]   |
[INFO] [stderr] 4 |     let var_args!(a, ...b, ...c) = var_expr!(1, 2.0, "three", false);
[INFO] [stderr]   |                   ^ help: if this is intentional, prefix it with an underscore: `_a`
[INFO] [stderr]   |
[INFO] [stderr]   = note: `#[warn(unused_variables)]` on by default
[INFO] [stderr] ┈┈┈┈┈┈┈┈┈┈┈┈┈┈┈┈┈┈┈┈┈┈┈┈┈┈┈┈┈┈┈┈┈┈┈┈┈┈┈┈┈┈┈┈┈┈┈┈┈┈┈┈┈┈┈┈┈┈┈┈
[INFO] [stderr] 
[INFO] [stderr] ACTUAL OUTPUT:
[INFO] [stderr] ┈┈┈┈┈┈┈┈┈┈┈┈┈┈┈┈┈┈┈┈┈┈┈┈┈┈┈┈┈┈┈┈┈┈┈┈┈┈┈┈┈┈┈┈┈┈┈┈┈┈┈┈┈┈┈┈┈┈┈┈
[INFO] [stderr] error: `var_args!` can only have the `...` spread syntax on the last field.
[INFO] [stderr]  --> tests/compile-fail/var_args_spread_twice.rs:4:9
[INFO] [stderr]   |
[INFO] [stderr] 4 |     let var_args!(a, ...b, ...c) = var_expr!(1, 2.0, "three", false);
[INFO] [stderr]   |         ^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stderr]   |
[INFO] [stderr]   = note: this error originates in the macro `$crate::var_args` which comes from the expansion of the macro `var_args` (in Nightly builds, run with -Z macro-backtrace for more info)
[INFO] [stderr] 
[INFO] [stderr] warning: variable `a` is assigned to, but never used
[INFO] [stderr]  --> tests/compile-fail/var_args_spread_twice.rs:4:19
[INFO] [stderr]   |
[INFO] [stderr] 4 |     let var_args!(a, ...b, ...c) = var_expr!(1, 2.0, "three", false);
[INFO] [stderr]   |                   ^
[INFO] [stderr]   |
[INFO] [stderr]   = note: consider using `_a` instead
[INFO] [stderr]   = note: `#[warn(unused_variables)]` (part of `#[warn(unused)]`) on by default
[INFO] [stderr] 
[INFO] [stderr] warning: value assigned to `a` is never read
[INFO] [stderr]  --> tests/compile-fail/var_args_spread_twice.rs:4:19
[INFO] [stderr]   |
[INFO] [stderr] 4 |     let var_args!(a, ...b, ...c) = var_expr!(1, 2.0, "three", false);
[INFO] [stderr]   |                   ^
[INFO] [stderr]   |
[INFO] [stderr]   = help: maybe it is overwritten before being read?
[INFO] [stderr]   = note: `#[warn(unused_assignments)]` (part of `#[warn(unused)]`) on by default
[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/compile-fail/var_type_badtype.rs ... ok
[INFO] [stderr] test tests/compile-fail/var_type_badtype_call.rs ... ok
[INFO] [stderr] test tests/compile-fail/var_type_spread_badtype.rs ... mismatch
[INFO] [stderr] 
[INFO] [stderr] EXPECTED:
[INFO] [stderr] ┈┈┈┈┈┈┈┈┈┈┈┈┈┈┈┈┈┈┈┈┈┈┈┈┈┈┈┈┈┈┈┈┈┈┈┈┈┈┈┈┈┈┈┈┈┈┈┈┈┈┈┈┈┈┈┈┈┈┈┈
[INFO] [stderr] error[E0277]: the trait bound `f64: VariadicExt` is not satisfied
[INFO] [stderr]  --> tests/compile-fail/var_type_spread_badtype.rs:5:17
[INFO] [stderr]   |
[INFO] [stderr] 5 |     fn check(_: List) {}
[INFO] [stderr]   |                 ^^^^ the trait `VariadicExt` is not implemented for `f64`
[INFO] [stderr]   |
[INFO] [stderr]   = help: the following other types implement trait `VariadicExt`:
[INFO] [stderr]             ()
[INFO] [stderr]             (Item, Rest)
[INFO] [stderr] ┈┈┈┈┈┈┈┈┈┈┈┈┈┈┈┈┈┈┈┈┈┈┈┈┈┈┈┈┈┈┈┈┈┈┈┈┈┈┈┈┈┈┈┈┈┈┈┈┈┈┈┈┈┈┈┈┈┈┈┈
[INFO] [stderr] 
[INFO] [stderr] ACTUAL OUTPUT:
[INFO] [stderr] ┈┈┈┈┈┈┈┈┈┈┈┈┈┈┈┈┈┈┈┈┈┈┈┈┈┈┈┈┈┈┈┈┈┈┈┈┈┈┈┈┈┈┈┈┈┈┈┈┈┈┈┈┈┈┈┈┈┈┈┈
[INFO] [stderr] error[E0277]: the trait bound `f64: VariadicExt` is not satisfied
[INFO] [stderr]  --> tests/compile-fail/var_type_spread_badtype.rs:5:17
[INFO] [stderr]   |
[INFO] [stderr]   5 |     fn check(_: List) {}
[INFO] [stderr]     |                 ^^^^ the trait `VariadicExt` is not implemented for `f64`
[INFO] [stderr]     |
[INFO] [stderr] help: the following other types implement trait `VariadicExt`
[INFO] [stderr]    --> src/lib.rs
[INFO] [stderr]     |
[INFO] [stderr]     | / impl<Item, Rest> VariadicExt for (Item, Rest)
[INFO] [stderr]     | | where
[INFO] [stderr]     | |     Rest: VariadicExt,
[INFO] [stderr]     | |______________________^ `(Item, Rest)`
[INFO] [stderr] ...
[INFO] [stderr]     |   impl VariadicExt for () {
[INFO] [stderr]     |   ^^^^^^^^^^^^^^^^^^^^^^^ `()`
[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 test_compile_fail ... FAILED
[INFO] [stdout] 
[INFO] [stdout] failures:
[INFO] [stdout] 
[INFO] [stdout] ---- test_compile_fail stdout ----
[INFO] [stdout] 
[INFO] [stdout] thread 'test_compile_fail' (36) panicked at /opt/rustwide/cargo-home/registry/src/index.crates.io-1949cf8c6b5b557f/trybuild-1.0.99/src/run.rs:101:13:
[INFO] [stdout] 3 of 5 tests failed
[INFO] [stdout] stack backtrace:
[INFO] [stdout]    0:     0x5dc2a8fb76c2 - std::backtrace_rs::backtrace::libunwind::trace::h9ea1e07ac77a25d7
[INFO] [stdout]                                at /rustc/c2e32f1c9652b13ed99608599c1e855462f421f3/library/std/src/../../backtrace/src/backtrace/libunwind.rs:117:9
[INFO] [stdout]    1:     0x5dc2a8fb76c2 - std::backtrace_rs::backtrace::trace_unsynchronized::h72b75eb83b53d15a
[INFO] [stdout]                                at /rustc/c2e32f1c9652b13ed99608599c1e855462f421f3/library/std/src/../../backtrace/src/backtrace/mod.rs:66:14
[INFO] [stdout]    2:     0x5dc2a8fb76c2 - std::sys::backtrace::_print_fmt::h255777b7ec902439
[INFO] [stdout]                                at /rustc/c2e32f1c9652b13ed99608599c1e855462f421f3/library/std/src/sys/backtrace.rs:66:9
[INFO] [stdout]    3:     0x5dc2a8fb76c2 - <std::sys::backtrace::BacktraceLock::print::DisplayBacktrace as core::fmt::Display>::fmt::h8a1ac49fcd7ee8ce
[INFO] [stdout]                                at /rustc/c2e32f1c9652b13ed99608599c1e855462f421f3/library/std/src/sys/backtrace.rs:39:26
[INFO] [stdout]    4:     0x5dc2a8fc8e2f - core::fmt::rt::Argument::fmt::h635cbf3c6754cc90
[INFO] [stdout]                                at /rustc/c2e32f1c9652b13ed99608599c1e855462f421f3/library/core/src/fmt/rt.rs:173:76
[INFO] [stdout]    5:     0x5dc2a8fc8e2f - core::fmt::write::hbdcc0ec4f1bab1db
[INFO] [stdout]                                at /rustc/c2e32f1c9652b13ed99608599c1e855462f421f3/library/core/src/fmt/mod.rs:1469:25
[INFO] [stdout]    6:     0x5dc2a8f819d3 - std::io::default_write_fmt::h2580ece0d4b58e51
[INFO] [stdout]                                at /rustc/c2e32f1c9652b13ed99608599c1e855462f421f3/library/std/src/io/mod.rs:639:11
[INFO] [stdout]    7:     0x5dc2a8f819d3 - std::io::Write::write_fmt::hac9e42858f273b87
[INFO] [stdout]                                at /rustc/c2e32f1c9652b13ed99608599c1e855462f421f3/library/std/src/io/mod.rs:1954:13
[INFO] [stdout]    8:     0x5dc2a8f8f282 - std::sys::backtrace::BacktraceLock::print::h052febbd86f7bf07
[INFO] [stdout]                                at /rustc/c2e32f1c9652b13ed99608599c1e855462f421f3/library/std/src/sys/backtrace.rs:42:9
[INFO] [stdout]    9:     0x5dc2a8f948df - std::panicking::default_hook::{{closure}}::h66aeee20dd470abb
[INFO] [stdout]                                at /rustc/c2e32f1c9652b13ed99608599c1e855462f421f3/library/std/src/panicking.rs:301:27
[INFO] [stdout]   10:     0x5dc2a8f94771 - std::panicking::default_hook::h9d66b9642014ce48
[INFO] [stdout]                                at /rustc/c2e32f1c9652b13ed99608599c1e855462f421f3/library/std/src/panicking.rs:325:9
[INFO] [stdout]   11:     0x5dc2a8f5436e - <alloc::boxed::Box<F,A> as core::ops::function::Fn<Args>>::call::h8c698701e444e564
[INFO] [stdout]                                at /rustc/c2e32f1c9652b13ed99608599c1e855462f421f3/library/alloc/src/boxed.rs:2099:9
[INFO] [stdout]   12:     0x5dc2a8f5436e - test::test_main_with_exit_callback::{{closure}}::ha1c98e7b69c4defb
[INFO] [stdout]                                at /rustc/c2e32f1c9652b13ed99608599c1e855462f421f3/library/test/src/lib.rs:145:21
[INFO] [stdout]   13:     0x5dc2a8f94eef - <alloc::boxed::Box<F,A> as core::ops::function::Fn<Args>>::call::hc4f222a8a57c637a
[INFO] [stdout]                                at /rustc/c2e32f1c9652b13ed99608599c1e855462f421f3/library/alloc/src/boxed.rs:2099:9
[INFO] [stdout]   14:     0x5dc2a8f94eef - std::panicking::panic_with_hook::h6d5921a1a1fa5a8e
[INFO] [stdout]                                at /rustc/c2e32f1c9652b13ed99608599c1e855462f421f3/library/std/src/panicking.rs:842:13
[INFO] [stdout]   15:     0x5dc2a8f94d4a - std::panicking::panic_handler::{{closure}}::hafeef6f707d43542
[INFO] [stdout]                                at /rustc/c2e32f1c9652b13ed99608599c1e855462f421f3/library/std/src/panicking.rs:707:13
[INFO] [stdout]   16:     0x5dc2a8f8f3b9 - std::sys::backtrace::__rust_end_short_backtrace::h08cbc3319a3d0120
[INFO] [stdout]                                at /rustc/c2e32f1c9652b13ed99608599c1e855462f421f3/library/std/src/sys/backtrace.rs:174:18
[INFO] [stdout]   17:     0x5dc2a8f7525d - __rustc[ce5c411ff86ab1b2]::rust_begin_unwind
[INFO] [stdout]                                at /rustc/c2e32f1c9652b13ed99608599c1e855462f421f3/library/std/src/panicking.rs:698:5
[INFO] [stdout]   18:     0x5dc2a8fd2740 - core::panicking::panic_fmt::h774fb860369a0f7b
[INFO] [stdout]                                at /rustc/c2e32f1c9652b13ed99608599c1e855462f421f3/library/core/src/panicking.rs:80:14
[INFO] [stdout]   19:     0x5dc2a8d4bb0b - trybuild::run::<impl trybuild::Runner>::run::h1ae30d821fe10139
[INFO] [stdout]                                at /opt/rustwide/cargo-home/registry/src/index.crates.io-1949cf8c6b5b557f/trybuild-1.0.99/src/run.rs:101:13
[INFO] [stdout]   20:     0x5dc2a8d46008 - <trybuild::TestCases as core::ops::drop::Drop>::drop::h32700ddcf5763655
[INFO] [stdout]                                at /opt/rustwide/cargo-home/registry/src/index.crates.io-1949cf8c6b5b557f/trybuild-1.0.99/src/lib.rs:319:38
[INFO] [stdout]   21:     0x5dc2a8c89f67 - core::ptr::drop_in_place<trybuild::TestCases>::h4bfa8265c9d13df3
[INFO] [stdout]                                at /rustc/c2e32f1c9652b13ed99608599c1e855462f421f3/library/core/src/ptr/mod.rs:805:1
[INFO] [stdout]   22:     0x5dc2a8c89d93 - compile_fail::test_compile_fail::h0fbec85eecfa186e
[INFO] [stdout]                                at /opt/rustwide/workdir/tests/compile_fail.rs:5:1
[INFO] [stdout]   23:     0x5dc2a8c89dc7 - compile_fail::test_compile_fail::{{closure}}::hae383d8d54f4d2e3
[INFO] [stdout]                                at /opt/rustwide/workdir/tests/compile_fail.rs:2:23
[INFO] [stdout]   24:     0x5dc2a8c89f06 - core::ops::function::FnOnce::call_once::h2cc2e8258e40f18d
[INFO] [stdout]                                at /rustc/c2e32f1c9652b13ed99608599c1e855462f421f3/library/core/src/ops/function.rs:250:5
[INFO] [stdout]   25:     0x5dc2a8f541bb - core::ops::function::FnOnce::call_once::h4f6eabe90cccb47d
[INFO] [stdout]                                at /rustc/c2e32f1c9652b13ed99608599c1e855462f421f3/library/core/src/ops/function.rs:250:5
[INFO] [stdout]   26:     0x5dc2a8f541bb - test::__rust_begin_short_backtrace::h94208530f2b4c8c7
[INFO] [stdout]                                at /rustc/c2e32f1c9652b13ed99608599c1e855462f421f3/library/test/src/lib.rs:663:18
[INFO] [stdout]   27:     0x5dc2a8f681cd - test::run_test_in_process::{{closure}}::hbdc6a45a78c46404
[INFO] [stdout]                                at /rustc/c2e32f1c9652b13ed99608599c1e855462f421f3/library/test/src/lib.rs:686:74
[INFO] [stdout]   28:     0x5dc2a8f681cd - <core::panic::unwind_safe::AssertUnwindSafe<F> as core::ops::function::FnOnce<()>>::call_once::h7f9d8efc7eedd165
[INFO] [stdout]                                at /rustc/c2e32f1c9652b13ed99608599c1e855462f421f3/library/core/src/panic/unwind_safe.rs:274:9
[INFO] [stdout]   29:     0x5dc2a8f681cd - std::panicking::catch_unwind::do_call::he5edbaf126c13b99
[INFO] [stdout]                                at /rustc/c2e32f1c9652b13ed99608599c1e855462f421f3/library/std/src/panicking.rs:590:40
[INFO] [stdout]   30:     0x5dc2a8f681cd - std::panicking::catch_unwind::h3d6a8652eceeabce
[INFO] [stdout]                                at /rustc/c2e32f1c9652b13ed99608599c1e855462f421f3/library/std/src/panicking.rs:553:19
[INFO] [stdout]   31:     0x5dc2a8f681cd - std::panic::catch_unwind::hbef0c501dd7bb498
[INFO] [stdout]                                at /rustc/c2e32f1c9652b13ed99608599c1e855462f421f3/library/std/src/panic.rs:359:14
[INFO] [stdout]   32:     0x5dc2a8f681cd - test::run_test_in_process::h400008a46a5006a0
[INFO] [stdout]                                at /rustc/c2e32f1c9652b13ed99608599c1e855462f421f3/library/test/src/lib.rs:686:27
[INFO] [stdout]   33:     0x5dc2a8f681cd - test::run_test::{{closure}}::h9a131655b31d9427
[INFO] [stdout]                                at /rustc/c2e32f1c9652b13ed99608599c1e855462f421f3/library/test/src/lib.rs:607:43
[INFO] [stdout]   34:     0x5dc2a8f41714 - test::run_test::{{closure}}::he4a7177c216308c0
[INFO] [stdout]                                at /rustc/c2e32f1c9652b13ed99608599c1e855462f421f3/library/test/src/lib.rs:637:41
[INFO] [stdout]   35:     0x5dc2a8f41714 - std::sys::backtrace::__rust_begin_short_backtrace::hd3980e9c55d6c539
[INFO] [stdout]                                at /rustc/c2e32f1c9652b13ed99608599c1e855462f421f3/library/std/src/sys/backtrace.rs:158:18
[INFO] [stdout]   36:     0x5dc2a8f4504a - std::thread::Builder::spawn_unchecked_::{{closure}}::{{closure}}::h18552df67c7aa9b8
[INFO] [stdout]                                at /rustc/c2e32f1c9652b13ed99608599c1e855462f421f3/library/std/src/thread/mod.rs:562:17
[INFO] [stdout]   37:     0x5dc2a8f4504a - <core::panic::unwind_safe::AssertUnwindSafe<F> as core::ops::function::FnOnce<()>>::call_once::h3d7b285234641a08
[INFO] [stdout]                                at /rustc/c2e32f1c9652b13ed99608599c1e855462f421f3/library/core/src/panic/unwind_safe.rs:274:9
[INFO] [stdout]   38:     0x5dc2a8f4504a - std::panicking::catch_unwind::do_call::h5a2b5cf36528a5b2
[INFO] [stdout]                                at /rustc/c2e32f1c9652b13ed99608599c1e855462f421f3/library/std/src/panicking.rs:590:40
[INFO] [stdout]   39:     0x5dc2a8f4504a - std::panicking::catch_unwind::h7e8b531bbda77d20
[INFO] [stdout]                                at /rustc/c2e32f1c9652b13ed99608599c1e855462f421f3/library/std/src/panicking.rs:553:19
[INFO] [stdout]   40:     0x5dc2a8f4504a - std::panic::catch_unwind::hf9bbb2040b4f1e6c
[INFO] [stdout]                                at /rustc/c2e32f1c9652b13ed99608599c1e855462f421f3/library/std/src/panic.rs:359:14
[INFO] [stdout]   41:     0x5dc2a8f4504a - std::thread::Builder::spawn_unchecked_::{{closure}}::h600f92cf68549574
[INFO] [stdout]                                at /rustc/c2e32f1c9652b13ed99608599c1e855462f421f3/library/std/src/thread/mod.rs:560:30
[INFO] [stdout]   42:     0x5dc2a8f4504a - core::ops::function::FnOnce::call_once{{vtable.shim}}::hb6607307df8a1847
[INFO] [stdout]                                at /rustc/c2e32f1c9652b13ed99608599c1e855462f421f3/library/core/src/ops/function.rs:250:5
[INFO] [stdout]   43:     0x5dc2a8f8a03f - <alloc::boxed::Box<F,A> as core::ops::function::FnOnce<Args>>::call_once::h6891ad53a5ed6f52
[INFO] [stdout]                                at /rustc/c2e32f1c9652b13ed99608599c1e855462f421f3/library/alloc/src/boxed.rs:2085:9
[INFO] [stdout]   44:     0x5dc2a8f8a03f - std::sys::thread::unix::Thread::new::thread_start::h7f3e77fa86df70af
[INFO] [stdout]                                at /rustc/c2e32f1c9652b13ed99608599c1e855462f421f3/library/std/src/sys/thread/unix.rs:124:17
[INFO] [stdout]   45:     0x7bd89ff6daa4 - <unknown>
[INFO] [stdout]   46:     0x7bd89fffaa64 - clone
[INFO] [stdout]   47:                0x0 - <unknown>
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] failures:
[INFO] [stdout]     test_compile_fail
[INFO] [stdout] 
[INFO] [stdout] test result: FAILED. 0 passed; 1 failed; 0 ignored; 0 measured; 0 filtered out; finished in 8.88s
[INFO] [stdout] 
[INFO] [stderr] error: test failed, to rerun pass `--test compile_fail`
[INFO] running `Command { std: "docker" "inspect" "6b9caddae17f0afaeff1e928a62459275acb92d297aa004117c5f8c8e17b5046", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "6b9caddae17f0afaeff1e928a62459275acb92d297aa004117c5f8c8e17b5046", kill_on_drop: false }`
[INFO] [stdout] 6b9caddae17f0afaeff1e928a62459275acb92d297aa004117c5f8c8e17b5046
