[INFO] fetching crate blockz 0.2.2...
[INFO] testing blockz-0.2.2 against 1.54.0 for beta-1.55-1
[INFO] extracting crate blockz 0.2.2 into /workspace/builds/worker-113/source
[INFO] validating manifest of crates.io crate blockz 0.2.2 on toolchain 1.54.0
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+1.54.0" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }`
[INFO] started tweaking crates.io crate blockz 0.2.2
[INFO] finished tweaking crates.io crate blockz 0.2.2
[INFO] tweaked toml for crates.io crate blockz 0.2.2 written to /workspace/builds/worker-113/source/Cargo.toml
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+1.54.0" "generate-lockfile" "--manifest-path" "Cargo.toml" "-Zno-index-update", kill_on_drop: false }`
[INFO] [stderr]     Blocking waiting for file lock on package cache
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+1.54.0" "fetch" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] [stderr]     Blocking waiting for file lock on package cache
[INFO] [stderr]     Blocking waiting for file lock on package cache
[INFO] [stderr]  Downloading crates ...
[INFO] [stderr]   Downloaded trybuild v1.0.43
[INFO] [stderr]   Downloaded async-trait v0.1.51
[INFO] [stderr]   Downloaded envy v0.4.2
[INFO] [stderr]   Downloaded tokio v1.9.0
[INFO] [stderr]   Downloaded blockz_derive v0.2.2
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-113/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-113/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@sha256:34b6a614d2c27851fe6cbf88fbd1137609cefab8b10d0615aaeb6fd47975d74e" "/opt/rustwide/cargo-home/bin/cargo" "+1.54.0" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] 7944a0abb1563553277ddfe4c2c0f91aaae11697446b374beb1d9e5a2ea92ff6
[INFO] running `Command { std: "docker" "start" "-a" "7944a0abb1563553277ddfe4c2c0f91aaae11697446b374beb1d9e5a2ea92ff6", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "7944a0abb1563553277ddfe4c2c0f91aaae11697446b374beb1d9e5a2ea92ff6", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "7944a0abb1563553277ddfe4c2c0f91aaae11697446b374beb1d9e5a2ea92ff6", kill_on_drop: false }`
[INFO] [stdout] 7944a0abb1563553277ddfe4c2c0f91aaae11697446b374beb1d9e5a2ea92ff6
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-113/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-113/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=warn" "-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@sha256:34b6a614d2c27851fe6cbf88fbd1137609cefab8b10d0615aaeb6fd47975d74e" "/opt/rustwide/cargo-home/bin/cargo" "+1.54.0" "build" "--frozen" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] 863e4e4344f714f11810250446aba880a34f3e860aca703b7f14b32de770003a
[INFO] running `Command { std: "docker" "start" "-a" "863e4e4344f714f11810250446aba880a34f3e860aca703b7f14b32de770003a", kill_on_drop: false }`
[INFO] [stderr]     Blocking waiting for file lock on package cache
[INFO] [stderr]    Compiling syn v1.0.74
[INFO] [stderr]    Compiling strsim v0.10.0
[INFO] [stderr]    Compiling ident_case v1.0.1
[INFO] [stderr]    Compiling anyhow v1.0.42
[INFO] [stderr]    Compiling async-trait v0.1.51
[INFO] [stderr]    Compiling convert_case v0.4.0
[INFO] [stderr]    Compiling darling_core v0.12.4
[INFO] [stderr]    Compiling darling_macro v0.12.4
[INFO] [stderr]    Compiling darling v0.12.4
[INFO] [stderr]    Compiling blockz_derive v0.2.2
[INFO] [stderr]    Compiling blockz v0.2.2 (/opt/rustwide/workdir)
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 15.94s
[INFO] running `Command { std: "docker" "inspect" "863e4e4344f714f11810250446aba880a34f3e860aca703b7f14b32de770003a", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "863e4e4344f714f11810250446aba880a34f3e860aca703b7f14b32de770003a", kill_on_drop: false }`
[INFO] [stdout] 863e4e4344f714f11810250446aba880a34f3e860aca703b7f14b32de770003a
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-113/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-113/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=warn" "-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@sha256:34b6a614d2c27851fe6cbf88fbd1137609cefab8b10d0615aaeb6fd47975d74e" "/opt/rustwide/cargo-home/bin/cargo" "+1.54.0" "test" "--frozen" "--no-run" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] 154bfc2ae114b0bd210dad632d2d39b3ac125dd03558b524ed1ea0965ba05fea
[INFO] running `Command { std: "docker" "start" "-a" "154bfc2ae114b0bd210dad632d2d39b3ac125dd03558b524ed1ea0965ba05fea", kill_on_drop: false }`
[INFO] [stderr]     Blocking waiting for file lock on package cache
[INFO] [stderr]    Compiling itoa v0.4.7
[INFO] [stderr]    Compiling trybuild v1.0.43
[INFO] [stderr]    Compiling glob v0.3.0
[INFO] [stderr]    Compiling serde_derive v1.0.127
[INFO] [stderr]    Compiling tokio-macros v1.3.0
[INFO] [stderr]    Compiling tokio v1.9.0
[INFO] [stderr]    Compiling serde v1.0.127
[INFO] [stderr]    Compiling serde_json v1.0.66
[INFO] [stderr]    Compiling toml v0.5.8
[INFO] [stderr]    Compiling envy v0.4.2
[INFO] [stderr]    Compiling blockz v0.2.2 (/opt/rustwide/workdir)
[INFO] [stderr]     Finished test [unoptimized + debuginfo] target(s) in 26.08s
[INFO] running `Command { std: "docker" "inspect" "154bfc2ae114b0bd210dad632d2d39b3ac125dd03558b524ed1ea0965ba05fea", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "154bfc2ae114b0bd210dad632d2d39b3ac125dd03558b524ed1ea0965ba05fea", kill_on_drop: false }`
[INFO] [stdout] 154bfc2ae114b0bd210dad632d2d39b3ac125dd03558b524ed1ea0965ba05fea
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-113/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-113/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=warn" "-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@sha256:34b6a614d2c27851fe6cbf88fbd1137609cefab8b10d0615aaeb6fd47975d74e" "/opt/rustwide/cargo-home/bin/cargo" "+1.54.0" "test" "--frozen", kill_on_drop: false }`
[INFO] [stdout] 8f0d8119dba2bc7f966eb87596b4b87ab17b5554ee3097ae91d10871938e8cc0
[INFO] running `Command { std: "docker" "start" "-a" "8f0d8119dba2bc7f966eb87596b4b87ab17b5554ee3097ae91d10871938e8cc0", kill_on_drop: false }`
[INFO] [stderr]     Blocking waiting for file lock on package cache
[INFO] [stderr]     Finished test [unoptimized + debuginfo] target(s) in 0.93s
[INFO] [stderr]      Running unittests (/opt/rustwide/target/debug/deps/blockz-a12f516e12fca259)
[INFO] [stdout] 
[INFO] [stdout] running 2 tests
[INFO] [stderr]     Blocking waiting for file lock on package cache
[INFO] [stderr]    Compiling proc-macro2 v1.0.28
[INFO] [stderr]    Compiling unicode-xid v0.2.2
[INFO] [stderr]    Compiling syn v1.0.74
[INFO] [stderr]    Compiling libc v0.2.98
[INFO] [stderr]    Compiling cfg-if v1.0.0
[INFO] [stderr]    Compiling ident_case v1.0.1
[INFO] [stderr]    Compiling fnv v1.0.7
[INFO] [stderr]    Compiling strsim v0.10.0
[INFO] [stderr]    Compiling serde_derive v1.0.127
[INFO] [stderr]    Compiling log v0.4.14
[INFO] [stderr]    Compiling memchr v2.4.0
[INFO] [stderr]    Compiling scopeguard v1.1.0
[INFO] [stderr]    Compiling autocfg v1.0.1
[INFO] [stderr]    Compiling serde v1.0.127
[INFO] [stderr]    Compiling anyhow v1.0.42
[INFO] [stderr]    Compiling async-trait v0.1.51
[INFO] [stderr]    Compiling smallvec v1.6.1
[INFO] [stderr]    Compiling convert_case v0.4.0
[INFO] [stderr]    Compiling pin-project-lite v0.2.7
[INFO] [stderr]    Compiling once_cell v1.8.0
[INFO] [stderr]    Compiling bytes v1.0.1
[INFO] [stderr]    Compiling instant v0.1.10
[INFO] [stderr]    Compiling lock_api v0.4.4
[INFO] [stderr]    Compiling tokio v1.9.0
[INFO] [stderr]    Compiling quote v1.0.9
[INFO] [stderr]    Compiling parking_lot_core v0.8.3
[INFO] [stderr]    Compiling signal-hook-registry v1.4.0
[INFO] [stderr]    Compiling mio v0.7.13
[INFO] [stderr]    Compiling num_cpus v1.13.0
[INFO] [stderr]    Compiling parking_lot v0.11.1
[INFO] [stderr]    Compiling darling_core v0.12.4
[INFO] [stderr]    Compiling tokio-macros v1.3.0
[INFO] [stderr]    Compiling darling_macro v0.12.4
[INFO] [stderr]    Compiling darling v0.12.4
[INFO] [stderr]    Compiling blockz_derive v0.2.2
[INFO] [stderr]    Compiling blockz v0.2.2 (/opt/rustwide/workdir)
[INFO] [stderr]    Compiling envy v0.4.2
[INFO] [stderr]    Compiling blockz-tests v0.0.0 (/opt/rustwide/target/tests/blockz)
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 26.50s
[INFO] [stderr] 
[INFO] [stderr] 
[INFO] [stderr] test direct_configuration-p-0.rs [should pass] ... ok
[INFO] [stderr] test direct_configuration-p-1.rs [should pass] ... ok
[INFO] [stderr] test direct_configuration-p-2.rs [should pass] ... ok
[INFO] [stderr] test direct_configuration-f-0.rs [should fail to compile] ... ok
[INFO] [stderr] test direct_configuration-f-1.rs [should fail to compile] ... ok
[INFO] [stderr] 
[INFO] [stdout] test test::test_direct_configuration ... ok
[INFO] [stderr] 
[INFO] [stderr]    Compiling blockz-tests v0.0.0 (/opt/rustwide/target/tests/blockz)
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 0.45s
[INFO] [stderr] 
[INFO] [stderr] 
[INFO] [stderr] test singleton-p-0.rs [should pass] ... ok
[INFO] [stderr] test singleton-p-1.rs [should pass] ... ok
[INFO] [stderr] test singleton-p-2.rs [should pass] ... ok
[INFO] [stderr] test singleton-f-0.rs [should fail to compile] ... mismatch
[INFO] [stderr] 
[INFO] [stderr] EXPECTED:
[INFO] [stderr] ┈┈┈┈┈┈┈┈┈┈┈┈┈┈┈┈┈┈┈┈┈┈┈┈┈┈┈┈┈┈┈┈┈┈┈┈┈┈┈┈┈┈┈┈┈┈┈┈┈┈┈┈┈┈┈┈┈┈┈┈
[INFO] [stderr] error: Unknown field: `a`
[INFO] [stderr]  --> $DIR/singleton-f-0.rs:8:13
[INFO] [stderr]   |
[INFO] [stderr] 8 | #[singleton(a = "mutex", b = "rwlock", c)]
[INFO] [stderr]   |             ^
[INFO] [stderr] 
[INFO] [stderr] error: Unknown field: `b`
[INFO] [stderr]  --> $DIR/singleton-f-0.rs:8:26
[INFO] [stderr]   |
[INFO] [stderr] 8 | #[singleton(a = "mutex", b = "rwlock", c)]
[INFO] [stderr]   |                          ^
[INFO] [stderr] 
[INFO] [stderr] error: Unknown field: `c`
[INFO] [stderr]  --> $DIR/singleton-f-0.rs:8:40
[INFO] [stderr]   |
[INFO] [stderr] 8 | #[singleton(a = "mutex", b = "rwlock", c)]
[INFO] [stderr]   |                                        ^
[INFO] [stderr] 
[INFO] [stderr] error[E0599]: no function or associated item named `use_singleton` found for struct `Dummy` in the current scope
[INFO] [stderr]   --> $DIR/singleton-f-0.rs:12:5
[INFO] [stderr]    |
[INFO] [stderr] 9  | struct Dummy(Vec<i32>);
[INFO] [stderr]    | ----------------------- function or associated item `use_singleton` not found for this
[INFO] [stderr] ...
[INFO] [stderr] 12 |     #[singleton_fn]
[INFO] [stderr]    |     ^^^^^^^^^^^^^^^ function or associated item not found in `Dummy`
[INFO] [stderr]    |
[INFO] [stderr]    = help: items from traits can only be used if the trait is implemented and in scope
[INFO] [stderr]    = note: the following trait defines an item `use_singleton`, perhaps you need to implement it:
[INFO] [stderr]            candidate #1: `blockz::singleton::Singleton`
[INFO] [stderr]    = note: this error originates in an attribute macro (in Nightly builds, run with -Z macro-backtrace for more info)
[INFO] [stderr] 
[INFO] [stderr] error[E0599]: no function or associated item named `use_mut_singleton` found for struct `Dummy` in the current scope
[INFO] [stderr]   --> $DIR/singleton-f-0.rs:17:5
[INFO] [stderr]    |
[INFO] [stderr] 9  | struct Dummy(Vec<i32>);
[INFO] [stderr]    | ----------------------- function or associated item `use_mut_singleton` not found for this
[INFO] [stderr] ...
[INFO] [stderr] 17 |     #[singleton_fn]
[INFO] [stderr]    |     ^^^^^^^^^^^^^^^ function or associated item not found in `Dummy`
[INFO] [stderr]    |
[INFO] [stderr]    = help: items from traits can only be used if the trait is implemented and in scope
[INFO] [stderr]    = note: the following trait defines an item `use_mut_singleton`, perhaps you need to implement it:
[INFO] [stderr]            candidate #1: `blockz::singleton::Singleton`
[INFO] [stderr]    = note: this error originates in an attribute macro (in Nightly builds, run with -Z macro-backtrace for more info)
[INFO] [stderr] 
[INFO] [stderr] error[E0599]: no function or associated item named `use_mut_singleton_with_arg` found for struct `Dummy` in the current scope
[INFO] [stderr]   --> $DIR/singleton-f-0.rs:22:5
[INFO] [stderr]    |
[INFO] [stderr] 9  | struct Dummy(Vec<i32>);
[INFO] [stderr]    | ----------------------- function or associated item `use_mut_singleton_with_arg` not found for this
[INFO] [stderr] ...
[INFO] [stderr] 22 |     #[singleton_fn]
[INFO] [stderr]    |     ^^^^^^^^^^^^^^^ function or associated item not found in `Dummy`
[INFO] [stderr]    |
[INFO] [stderr]    = help: items from traits can only be used if the trait is implemented and in scope
[INFO] [stderr]    = note: the following trait defines an item `use_mut_singleton_with_arg`, perhaps you need to implement it:
[INFO] [stderr]            candidate #1: `blockz::singleton::Singleton`
[INFO] [stderr]    = note: this error originates in an attribute macro (in Nightly builds, run with -Z macro-backtrace for more info)
[INFO] [stderr] 
[INFO] [stderr] error[E0599]: no function or associated item named `use_singleton_with_arg` found for struct `Dummy` in the current scope
[INFO] [stderr]   --> $DIR/singleton-f-0.rs:27:5
[INFO] [stderr]    |
[INFO] [stderr] 9  | struct Dummy(Vec<i32>);
[INFO] [stderr]    | ----------------------- function or associated item `use_singleton_with_arg` not found for this
[INFO] [stderr] ...
[INFO] [stderr] 27 |     #[singleton_fn]
[INFO] [stderr]    |     ^^^^^^^^^^^^^^^ function or associated item not found in `Dummy`
[INFO] [stderr]    |
[INFO] [stderr]    = help: items from traits can only be used if the trait is implemented and in scope
[INFO] [stderr]    = note: the following trait defines an item `use_singleton_with_arg`, perhaps you need to implement it:
[INFO] [stderr]            candidate #1: `blockz::singleton::Singleton`
[INFO] [stderr]    = note: this error originates in an attribute macro (in Nightly builds, run with -Z macro-backtrace for more info)
[INFO] [stderr] ┈┈┈┈┈┈┈┈┈┈┈┈┈┈┈┈┈┈┈┈┈┈┈┈┈┈┈┈┈┈┈┈┈┈┈┈┈┈┈┈┈┈┈┈┈┈┈┈┈┈┈┈┈┈┈┈┈┈┈┈
[INFO] [stderr] 
[INFO] [stderr] ACTUAL OUTPUT:
[INFO] [stderr] ┈┈┈┈┈┈┈┈┈┈┈┈┈┈┈┈┈┈┈┈┈┈┈┈┈┈┈┈┈┈┈┈┈┈┈┈┈┈┈┈┈┈┈┈┈┈┈┈┈┈┈┈┈┈┈┈┈┈┈┈
[INFO] [stderr] error: Unknown field: `a`
[INFO] [stderr]  --> $DIR/singleton-f-0.rs:8:13
[INFO] [stderr]   |
[INFO] [stderr] 8 | #[singleton(a = "mutex", b = "rwlock", c)]
[INFO] [stderr]   |             ^
[INFO] [stderr] 
[INFO] [stderr] error: Unknown field: `b`
[INFO] [stderr]  --> $DIR/singleton-f-0.rs:8:26
[INFO] [stderr]   |
[INFO] [stderr] 8 | #[singleton(a = "mutex", b = "rwlock", c)]
[INFO] [stderr]   |                          ^
[INFO] [stderr] 
[INFO] [stderr] error: Unknown field: `c`
[INFO] [stderr]  --> $DIR/singleton-f-0.rs:8:40
[INFO] [stderr]   |
[INFO] [stderr] 8 | #[singleton(a = "mutex", b = "rwlock", c)]
[INFO] [stderr]   |                                        ^
[INFO] [stderr] 
[INFO] [stderr] error[E0599]: no function or associated item named `use_singleton` found for struct `Dummy` in the current scope
[INFO] [stderr]   --> $DIR/singleton-f-0.rs:12:5
[INFO] [stderr]    |
[INFO] [stderr] 9  | struct Dummy(Vec<i32>);
[INFO] [stderr]    | ----------------------- function or associated item `use_singleton` not found for this
[INFO] [stderr] ...
[INFO] [stderr] 12 |     #[singleton_fn]
[INFO] [stderr]    |     ^^^^^^^^^^^^^^^ function or associated item not found in `Dummy`
[INFO] [stderr]    |
[INFO] [stderr]    = help: items from traits can only be used if the trait is implemented and in scope
[INFO] [stderr]    = note: the following trait defines an item `use_singleton`, perhaps you need to implement it:
[INFO] [stderr]            candidate #1: `blockz::singleton::Singleton`
[INFO] [stderr]    = note: this error originates in the attribute macro `singleton_fn` (in Nightly builds, run with -Z macro-backtrace for more info)
[INFO] [stderr] 
[INFO] [stderr] error[E0599]: no function or associated item named `use_mut_singleton` found for struct `Dummy` in the current scope
[INFO] [stderr]   --> $DIR/singleton-f-0.rs:17:5
[INFO] [stderr]    |
[INFO] [stderr] 9  | struct Dummy(Vec<i32>);
[INFO] [stderr]    | ----------------------- function or associated item `use_mut_singleton` not found for this
[INFO] [stderr] ...
[INFO] [stderr] 17 |     #[singleton_fn]
[INFO] [stderr]    |     ^^^^^^^^^^^^^^^ function or associated item not found in `Dummy`
[INFO] [stderr]    |
[INFO] [stderr]    = help: items from traits can only be used if the trait is implemented and in scope
[INFO] [stderr]    = note: the following trait defines an item `use_mut_singleton`, perhaps you need to implement it:
[INFO] [stderr]            candidate #1: `blockz::singleton::Singleton`
[INFO] [stderr]    = note: this error originates in the attribute macro `singleton_fn` (in Nightly builds, run with -Z macro-backtrace for more info)
[INFO] [stderr] 
[INFO] [stderr] error[E0599]: no function or associated item named `use_mut_singleton_with_arg` found for struct `Dummy` in the current scope
[INFO] [stderr]   --> $DIR/singleton-f-0.rs:22:5
[INFO] [stderr]    |
[INFO] [stderr] 9  | struct Dummy(Vec<i32>);
[INFO] [stderr]    | ----------------------- function or associated item `use_mut_singleton_with_arg` not found for this
[INFO] [stderr] ...
[INFO] [stderr] 22 |     #[singleton_fn]
[INFO] [stderr]    |     ^^^^^^^^^^^^^^^ function or associated item not found in `Dummy`
[INFO] [stderr]    |
[INFO] [stderr]    = help: items from traits can only be used if the trait is implemented and in scope
[INFO] [stderr]    = note: the following trait defines an item `use_mut_singleton_with_arg`, perhaps you need to implement it:
[INFO] [stderr]            candidate #1: `blockz::singleton::Singleton`
[INFO] [stderr]    = note: this error originates in the attribute macro `singleton_fn` (in Nightly builds, run with -Z macro-backtrace for more info)
[INFO] [stderr] 
[INFO] [stderr] error[E0599]: no function or associated item named `use_singleton_with_arg` found for struct `Dummy` in the current scope
[INFO] [stderr]   --> $DIR/singleton-f-0.rs:27:5
[INFO] [stderr]    |
[INFO] [stderr] 9  | struct Dummy(Vec<i32>);
[INFO] [stderr]    | ----------------------- function or associated item `use_singleton_with_arg` not found for this
[INFO] [stderr] ...
[INFO] [stderr] 27 |     #[singleton_fn]
[INFO] [stderr]    |     ^^^^^^^^^^^^^^^ function or associated item not found in `Dummy`
[INFO] [stderr]    |
[INFO] [stderr]    = help: items from traits can only be used if the trait is implemented and in scope
[INFO] [stderr]    = note: the following trait defines an item `use_singleton_with_arg`, perhaps you need to implement it:
[INFO] [stderr]            candidate #1: `blockz::singleton::Singleton`
[INFO] [stderr]    = note: this error originates in the attribute macro `singleton_fn` (in Nightly builds, run with -Z macro-backtrace for more info)
[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 singleton-f-1.rs [should fail to compile] ... mismatch
[INFO] [stderr] 
[INFO] [stderr] EXPECTED:
[INFO] [stderr] ┈┈┈┈┈┈┈┈┈┈┈┈┈┈┈┈┈┈┈┈┈┈┈┈┈┈┈┈┈┈┈┈┈┈┈┈┈┈┈┈┈┈┈┈┈┈┈┈┈┈┈┈┈┈┈┈┈┈┈┈
[INFO] [stderr] error: Unknown field: `lok`. Did you mean `lock`?
[INFO] [stderr]  --> $DIR/singleton-f-1.rs:8:13
[INFO] [stderr]   |
[INFO] [stderr] 8 | #[singleton(lok = "mutex")]
[INFO] [stderr]   |             ^^^
[INFO] [stderr] 
[INFO] [stderr] error[E0599]: no function or associated item named `use_singleton` found for struct `Dummy` in the current scope
[INFO] [stderr]   --> $DIR/singleton-f-1.rs:12:5
[INFO] [stderr]    |
[INFO] [stderr] 9  | struct Dummy(Vec<i32>);
[INFO] [stderr]    | ----------------------- function or associated item `use_singleton` not found for this
[INFO] [stderr] ...
[INFO] [stderr] 12 |     #[singleton_fn]
[INFO] [stderr]    |     ^^^^^^^^^^^^^^^ function or associated item not found in `Dummy`
[INFO] [stderr]    |
[INFO] [stderr]    = help: items from traits can only be used if the trait is implemented and in scope
[INFO] [stderr]    = note: the following trait defines an item `use_singleton`, perhaps you need to implement it:
[INFO] [stderr]            candidate #1: `blockz::singleton::Singleton`
[INFO] [stderr]    = note: this error originates in an attribute macro (in Nightly builds, run with -Z macro-backtrace for more info)
[INFO] [stderr] 
[INFO] [stderr] error[E0599]: no function or associated item named `use_mut_singleton` found for struct `Dummy` in the current scope
[INFO] [stderr]   --> $DIR/singleton-f-1.rs:17:5
[INFO] [stderr]    |
[INFO] [stderr] 9  | struct Dummy(Vec<i32>);
[INFO] [stderr]    | ----------------------- function or associated item `use_mut_singleton` not found for this
[INFO] [stderr] ...
[INFO] [stderr] 17 |     #[singleton_fn]
[INFO] [stderr]    |     ^^^^^^^^^^^^^^^ function or associated item not found in `Dummy`
[INFO] [stderr]    |
[INFO] [stderr]    = help: items from traits can only be used if the trait is implemented and in scope
[INFO] [stderr]    = note: the following trait defines an item `use_mut_singleton`, perhaps you need to implement it:
[INFO] [stderr]            candidate #1: `blockz::singleton::Singleton`
[INFO] [stderr]    = note: this error originates in an attribute macro (in Nightly builds, run with -Z macro-backtrace for more info)
[INFO] [stderr] 
[INFO] [stderr] error[E0599]: no function or associated item named `use_mut_singleton_with_arg` found for struct `Dummy` in the current scope
[INFO] [stderr]   --> $DIR/singleton-f-1.rs:22:5
[INFO] [stderr]    |
[INFO] [stderr] 9  | struct Dummy(Vec<i32>);
[INFO] [stderr]    | ----------------------- function or associated item `use_mut_singleton_with_arg` not found for this
[INFO] [stderr] ...
[INFO] [stderr] 22 |     #[singleton_fn]
[INFO] [stderr]    |     ^^^^^^^^^^^^^^^ function or associated item not found in `Dummy`
[INFO] [stderr]    |
[INFO] [stderr]    = help: items from traits can only be used if the trait is implemented and in scope
[INFO] [stderr]    = note: the following trait defines an item `use_mut_singleton_with_arg`, perhaps you need to implement it:
[INFO] [stderr]            candidate #1: `blockz::singleton::Singleton`
[INFO] [stderr]    = note: this error originates in an attribute macro (in Nightly builds, run with -Z macro-backtrace for more info)
[INFO] [stderr] 
[INFO] [stderr] error[E0599]: no function or associated item named `use_singleton_with_arg` found for struct `Dummy` in the current scope
[INFO] [stderr]   --> $DIR/singleton-f-1.rs:27:5
[INFO] [stderr]    |
[INFO] [stderr] 9  | struct Dummy(Vec<i32>);
[INFO] [stderr]    | ----------------------- function or associated item `use_singleton_with_arg` not found for this
[INFO] [stderr] ...
[INFO] [stderr] 27 |     #[singleton_fn]
[INFO] [stderr]    |     ^^^^^^^^^^^^^^^ function or associated item not found in `Dummy`
[INFO] [stderr]    |
[INFO] [stderr]    = help: items from traits can only be used if the trait is implemented and in scope
[INFO] [stderr]    = note: the following trait defines an item `use_singleton_with_arg`, perhaps you need to implement it:
[INFO] [stderr]            candidate #1: `blockz::singleton::Singleton`
[INFO] [stderr]    = note: this error originates in an attribute macro (in Nightly builds, run with -Z macro-backtrace for more info)
[INFO] [stderr] ┈┈┈┈┈┈┈┈┈┈┈┈┈┈┈┈┈┈┈┈┈┈┈┈┈┈┈┈┈┈┈┈┈┈┈┈┈┈┈┈┈┈┈┈┈┈┈┈┈┈┈┈┈┈┈┈┈┈┈┈
[INFO] [stderr] 
[INFO] [stderr] ACTUAL OUTPUT:
[INFO] [stderr] ┈┈┈┈┈┈┈┈┈┈┈┈┈┈┈┈┈┈┈┈┈┈┈┈┈┈┈┈┈┈┈┈┈┈┈┈┈┈┈┈┈┈┈┈┈┈┈┈┈┈┈┈┈┈┈┈┈┈┈┈
[INFO] [stderr] error: Unknown field: `lok`. Did you mean `lock`?
[INFO] [stderr]  --> $DIR/singleton-f-1.rs:8:13
[INFO] [stderr]   |
[INFO] [stderr] 8 | #[singleton(lok = "mutex")]
[INFO] [stderr]   |             ^^^
[INFO] [stderr] 
[INFO] [stderr] error[E0599]: no function or associated item named `use_singleton` found for struct `Dummy` in the current scope
[INFO] [stderr]   --> $DIR/singleton-f-1.rs:12:5
[INFO] [stderr]    |
[INFO] [stderr] 9  | struct Dummy(Vec<i32>);
[INFO] [stderr]    | ----------------------- function or associated item `use_singleton` not found for this
[INFO] [stderr] ...
[INFO] [stderr] 12 |     #[singleton_fn]
[INFO] [stderr]    |     ^^^^^^^^^^^^^^^ function or associated item not found in `Dummy`
[INFO] [stderr]    |
[INFO] [stderr]    = help: items from traits can only be used if the trait is implemented and in scope
[INFO] [stderr]    = note: the following trait defines an item `use_singleton`, perhaps you need to implement it:
[INFO] [stderr]            candidate #1: `blockz::singleton::Singleton`
[INFO] [stderr]    = note: this error originates in the attribute macro `singleton_fn` (in Nightly builds, run with -Z macro-backtrace for more info)
[INFO] [stderr] 
[INFO] [stderr] error[E0599]: no function or associated item named `use_mut_singleton` found for struct `Dummy` in the current scope
[INFO] [stderr]   --> $DIR/singleton-f-1.rs:17:5
[INFO] [stderr]    |
[INFO] [stderr] 9  | struct Dummy(Vec<i32>);
[INFO] [stderr]    | ----------------------- function or associated item `use_mut_singleton` not found for this
[INFO] [stderr] ...
[INFO] [stderr] 17 |     #[singleton_fn]
[INFO] [stderr]    |     ^^^^^^^^^^^^^^^ function or associated item not found in `Dummy`
[INFO] [stderr]    |
[INFO] [stderr]    = help: items from traits can only be used if the trait is implemented and in scope
[INFO] [stderr]    = note: the following trait defines an item `use_mut_singleton`, perhaps you need to implement it:
[INFO] [stderr]            candidate #1: `blockz::singleton::Singleton`
[INFO] [stderr]    = note: this error originates in the attribute macro `singleton_fn` (in Nightly builds, run with -Z macro-backtrace for more info)
[INFO] [stderr] 
[INFO] [stderr] error[E0599]: no function or associated item named `use_mut_singleton_with_arg` found for struct `Dummy` in the current scope
[INFO] [stderr]   --> $DIR/singleton-f-1.rs:22:5
[INFO] [stderr]    |
[INFO] [stderr] 9  | struct Dummy(Vec<i32>);
[INFO] [stderr]    | ----------------------- function or associated item `use_mut_singleton_with_arg` not found for this
[INFO] [stderr] ...
[INFO] [stderr] 22 |     #[singleton_fn]
[INFO] [stderr]    |     ^^^^^^^^^^^^^^^ function or associated item not found in `Dummy`
[INFO] [stderr]    |
[INFO] [stderr]    = help: items from traits can only be used if the trait is implemented and in scope
[INFO] [stderr]    = note: the following trait defines an item `use_mut_singleton_with_arg`, perhaps you need to implement it:
[INFO] [stderr]            candidate #1: `blockz::singleton::Singleton`
[INFO] [stderr]    = note: this error originates in the attribute macro `singleton_fn` (in Nightly builds, run with -Z macro-backtrace for more info)
[INFO] [stderr] 
[INFO] [stderr] error[E0599]: no function or associated item named `use_singleton_with_arg` found for struct `Dummy` in the current scope
[INFO] [stderr]   --> $DIR/singleton-f-1.rs:27:5
[INFO] [stderr]    |
[INFO] [stderr] 9  | struct Dummy(Vec<i32>);
[INFO] [stderr]    | ----------------------- function or associated item `use_singleton_with_arg` not found for this
[INFO] [stderr] ...
[INFO] [stderr] 27 |     #[singleton_fn]
[INFO] [stderr]    |     ^^^^^^^^^^^^^^^ function or associated item not found in `Dummy`
[INFO] [stderr]    |
[INFO] [stderr]    = help: items from traits can only be used if the trait is implemented and in scope
[INFO] [stderr]    = note: the following trait defines an item `use_singleton_with_arg`, perhaps you need to implement it:
[INFO] [stderr]            candidate #1: `blockz::singleton::Singleton`
[INFO] [stderr]    = note: this error originates in the attribute macro `singleton_fn` (in Nightly builds, run with -Z macro-backtrace for more info)
[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 singleton-f-2.rs [should fail to compile] ... mismatch
[INFO] [stderr] 
[INFO] [stderr] EXPECTED:
[INFO] [stderr] ┈┈┈┈┈┈┈┈┈┈┈┈┈┈┈┈┈┈┈┈┈┈┈┈┈┈┈┈┈┈┈┈┈┈┈┈┈┈┈┈┈┈┈┈┈┈┈┈┈┈┈┈┈┈┈┈┈┈┈┈
[INFO] [stderr] error: Unknown literal value `mootex`
[INFO] [stderr]  --> $DIR/singleton-f-2.rs:8:20
[INFO] [stderr]   |
[INFO] [stderr] 8 | #[singleton(lock = "mootex")]
[INFO] [stderr]   |                    ^^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] error[E0599]: no function or associated item named `use_singleton` found for struct `Dummy` in the current scope
[INFO] [stderr]   --> $DIR/singleton-f-2.rs:12:5
[INFO] [stderr]    |
[INFO] [stderr] 9  | struct Dummy(Vec<i32>);
[INFO] [stderr]    | ----------------------- function or associated item `use_singleton` not found for this
[INFO] [stderr] ...
[INFO] [stderr] 12 |     #[singleton_fn]
[INFO] [stderr]    |     ^^^^^^^^^^^^^^^ function or associated item not found in `Dummy`
[INFO] [stderr]    |
[INFO] [stderr]    = help: items from traits can only be used if the trait is implemented and in scope
[INFO] [stderr]    = note: the following trait defines an item `use_singleton`, perhaps you need to implement it:
[INFO] [stderr]            candidate #1: `blockz::singleton::Singleton`
[INFO] [stderr]    = note: this error originates in an attribute macro (in Nightly builds, run with -Z macro-backtrace for more info)
[INFO] [stderr] 
[INFO] [stderr] error[E0599]: no function or associated item named `use_mut_singleton` found for struct `Dummy` in the current scope
[INFO] [stderr]   --> $DIR/singleton-f-2.rs:17:5
[INFO] [stderr]    |
[INFO] [stderr] 9  | struct Dummy(Vec<i32>);
[INFO] [stderr]    | ----------------------- function or associated item `use_mut_singleton` not found for this
[INFO] [stderr] ...
[INFO] [stderr] 17 |     #[singleton_fn]
[INFO] [stderr]    |     ^^^^^^^^^^^^^^^ function or associated item not found in `Dummy`
[INFO] [stderr]    |
[INFO] [stderr]    = help: items from traits can only be used if the trait is implemented and in scope
[INFO] [stderr]    = note: the following trait defines an item `use_mut_singleton`, perhaps you need to implement it:
[INFO] [stderr]            candidate #1: `blockz::singleton::Singleton`
[INFO] [stderr]    = note: this error originates in an attribute macro (in Nightly builds, run with -Z macro-backtrace for more info)
[INFO] [stderr] 
[INFO] [stderr] error[E0599]: no function or associated item named `use_mut_singleton_with_arg` found for struct `Dummy` in the current scope
[INFO] [stderr]   --> $DIR/singleton-f-2.rs:22:5
[INFO] [stderr]    |
[INFO] [stderr] 9  | struct Dummy(Vec<i32>);
[INFO] [stderr]    | ----------------------- function or associated item `use_mut_singleton_with_arg` not found for this
[INFO] [stderr] ...
[INFO] [stderr] 22 |     #[singleton_fn]
[INFO] [stderr]    |     ^^^^^^^^^^^^^^^ function or associated item not found in `Dummy`
[INFO] [stderr]    |
[INFO] [stderr]    = help: items from traits can only be used if the trait is implemented and in scope
[INFO] [stderr]    = note: the following trait defines an item `use_mut_singleton_with_arg`, perhaps you need to implement it:
[INFO] [stderr]            candidate #1: `blockz::singleton::Singleton`
[INFO] [stderr]    = note: this error originates in an attribute macro (in Nightly builds, run with -Z macro-backtrace for more info)
[INFO] [stderr] 
[INFO] [stderr] error[E0599]: no function or associated item named `use_singleton_with_arg` found for struct `Dummy` in the current scope
[INFO] [stderr]   --> $DIR/singleton-f-2.rs:27:5
[INFO] [stderr]    |
[INFO] [stderr] 9  | struct Dummy(Vec<i32>);
[INFO] [stderr]    | ----------------------- function or associated item `use_singleton_with_arg` not found for this
[INFO] [stderr] ...
[INFO] [stderr] 27 |     #[singleton_fn]
[INFO] [stderr]    |     ^^^^^^^^^^^^^^^ function or associated item not found in `Dummy`
[INFO] [stderr]    |
[INFO] [stderr]    = help: items from traits can only be used if the trait is implemented and in scope
[INFO] [stderr]    = note: the following trait defines an item `use_singleton_with_arg`, perhaps you need to implement it:
[INFO] [stderr]            candidate #1: `blockz::singleton::Singleton`
[INFO] [stderr]    = note: this error originates in an attribute macro (in Nightly builds, run with -Z macro-backtrace for more info)
[INFO] [stderr] ┈┈┈┈┈┈┈┈┈┈┈┈┈┈┈┈┈┈┈┈┈┈┈┈┈┈┈┈┈┈┈┈┈┈┈┈┈┈┈┈┈┈┈┈┈┈┈┈┈┈┈┈┈┈┈┈┈┈┈┈
[INFO] [stderr] 
[INFO] [stderr] ACTUAL OUTPUT:
[INFO] [stderr] ┈┈┈┈┈┈┈┈┈┈┈┈┈┈┈┈┈┈┈┈┈┈┈┈┈┈┈┈┈┈┈┈┈┈┈┈┈┈┈┈┈┈┈┈┈┈┈┈┈┈┈┈┈┈┈┈┈┈┈┈
[INFO] [stderr] error: Unknown literal value `mootex`
[INFO] [stderr]  --> $DIR/singleton-f-2.rs:8:20
[INFO] [stderr]   |
[INFO] [stderr] 8 | #[singleton(lock = "mootex")]
[INFO] [stderr]   |                    ^^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] error[E0599]: no function or associated item named `use_singleton` found for struct `Dummy` in the current scope
[INFO] [stderr]   --> $DIR/singleton-f-2.rs:12:5
[INFO] [stderr]    |
[INFO] [stderr] 9  | struct Dummy(Vec<i32>);
[INFO] [stderr]    | ----------------------- function or associated item `use_singleton` not found for this
[INFO] [stderr] ...
[INFO] [stderr] 12 |     #[singleton_fn]
[INFO] [stderr]    |     ^^^^^^^^^^^^^^^ function or associated item not found in `Dummy`
[INFO] [stderr]    |
[INFO] [stderr]    = help: items from traits can only be used if the trait is implemented and in scope
[INFO] [stderr]    = note: the following trait defines an item `use_singleton`, perhaps you need to implement it:
[INFO] [stderr]            candidate #1: `blockz::singleton::Singleton`
[INFO] [stderr]    = note: this error originates in the attribute macro `singleton_fn` (in Nightly builds, run with -Z macro-backtrace for more info)
[INFO] [stderr] 
[INFO] [stderr] error[E0599]: no function or associated item named `use_mut_singleton` found for struct `Dummy` in the current scope
[INFO] [stderr]   --> $DIR/singleton-f-2.rs:17:5
[INFO] [stderr]    |
[INFO] [stderr] 9  | struct Dummy(Vec<i32>);
[INFO] [stderr]    | ----------------------- function or associated item `use_mut_singleton` not found for this
[INFO] [stderr] ...
[INFO] [stderr] 17 |     #[singleton_fn]
[INFO] [stderr]    |     ^^^^^^^^^^^^^^^ function or associated item not found in `Dummy`
[INFO] [stderr]    |
[INFO] [stderr]    = help: items from traits can only be used if the trait is implemented and in scope
[INFO] [stderr]    = note: the following trait defines an item `use_mut_singleton`, perhaps you need to implement it:
[INFO] [stderr]            candidate #1: `blockz::singleton::Singleton`
[INFO] [stderr]    = note: this error originates in the attribute macro `singleton_fn` (in Nightly builds, run with -Z macro-backtrace for more info)
[INFO] [stderr] 
[INFO] [stderr] error[E0599]: no function or associated item named `use_mut_singleton_with_arg` found for struct `Dummy` in the current scope
[INFO] [stderr]   --> $DIR/singleton-f-2.rs:22:5
[INFO] [stderr]    |
[INFO] [stderr] 9  | struct Dummy(Vec<i32>);
[INFO] [stderr]    | ----------------------- function or associated item `use_mut_singleton_with_arg` not found for this
[INFO] [stderr] ...
[INFO] [stderr] 22 |     #[singleton_fn]
[INFO] [stderr]    |     ^^^^^^^^^^^^^^^ function or associated item not found in `Dummy`
[INFO] [stderr]    |
[INFO] [stderr]    = help: items from traits can only be used if the trait is implemented and in scope
[INFO] [stderr]    = note: the following trait defines an item `use_mut_singleton_with_arg`, perhaps you need to implement it:
[INFO] [stderr]            candidate #1: `blockz::singleton::Singleton`
[INFO] [stderr]    = note: this error originates in the attribute macro `singleton_fn` (in Nightly builds, run with -Z macro-backtrace for more info)
[INFO] [stderr] 
[INFO] [stderr] error[E0599]: no function or associated item named `use_singleton_with_arg` found for struct `Dummy` in the current scope
[INFO] [stderr]   --> $DIR/singleton-f-2.rs:27:5
[INFO] [stderr]    |
[INFO] [stderr] 9  | struct Dummy(Vec<i32>);
[INFO] [stderr]    | ----------------------- function or associated item `use_singleton_with_arg` not found for this
[INFO] [stderr] ...
[INFO] [stderr] 27 |     #[singleton_fn]
[INFO] [stderr]    |     ^^^^^^^^^^^^^^^ function or associated item not found in `Dummy`
[INFO] [stderr]    |
[INFO] [stderr]    = help: items from traits can only be used if the trait is implemented and in scope
[INFO] [stderr]    = note: the following trait defines an item `use_singleton_with_arg`, perhaps you need to implement it:
[INFO] [stderr]            candidate #1: `blockz::singleton::Singleton`
[INFO] [stderr]    = note: this error originates in the attribute macro `singleton_fn` (in Nightly builds, run with -Z macro-backtrace for more info)
[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 singleton-f-3.rs [should fail to compile] ... mismatch
[INFO] [stderr] 
[INFO] [stderr] EXPECTED:
[INFO] [stderr] ┈┈┈┈┈┈┈┈┈┈┈┈┈┈┈┈┈┈┈┈┈┈┈┈┈┈┈┈┈┈┈┈┈┈┈┈┈┈┈┈┈┈┈┈┈┈┈┈┈┈┈┈┈┈┈┈┈┈┈┈
[INFO] [stderr] error: Unknown literal value `rwlok`
[INFO] [stderr]  --> $DIR/singleton-f-3.rs:8:20
[INFO] [stderr]   |
[INFO] [stderr] 8 | #[singleton(lock = "rwlok")]
[INFO] [stderr]   |                    ^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] error[E0599]: no function or associated item named `use_singleton` found for struct `Dummy` in the current scope
[INFO] [stderr]   --> $DIR/singleton-f-3.rs:12:5
[INFO] [stderr]    |
[INFO] [stderr] 9  | struct Dummy(Vec<i32>);
[INFO] [stderr]    | ----------------------- function or associated item `use_singleton` not found for this
[INFO] [stderr] ...
[INFO] [stderr] 12 |     #[singleton_fn]
[INFO] [stderr]    |     ^^^^^^^^^^^^^^^ function or associated item not found in `Dummy`
[INFO] [stderr]    |
[INFO] [stderr]    = help: items from traits can only be used if the trait is implemented and in scope
[INFO] [stderr]    = note: the following trait defines an item `use_singleton`, perhaps you need to implement it:
[INFO] [stderr]            candidate #1: `blockz::singleton::Singleton`
[INFO] [stderr]    = note: this error originates in an attribute macro (in Nightly builds, run with -Z macro-backtrace for more info)
[INFO] [stderr] 
[INFO] [stderr] error[E0599]: no function or associated item named `use_mut_singleton` found for struct `Dummy` in the current scope
[INFO] [stderr]   --> $DIR/singleton-f-3.rs:17:5
[INFO] [stderr]    |
[INFO] [stderr] 9  | struct Dummy(Vec<i32>);
[INFO] [stderr]    | ----------------------- function or associated item `use_mut_singleton` not found for this
[INFO] [stderr] ...
[INFO] [stderr] 17 |     #[singleton_fn]
[INFO] [stderr]    |     ^^^^^^^^^^^^^^^ function or associated item not found in `Dummy`
[INFO] [stderr]    |
[INFO] [stderr]    = help: items from traits can only be used if the trait is implemented and in scope
[INFO] [stderr]    = note: the following trait defines an item `use_mut_singleton`, perhaps you need to implement it:
[INFO] [stderr]            candidate #1: `blockz::singleton::Singleton`
[INFO] [stderr]    = note: this error originates in an attribute macro (in Nightly builds, run with -Z macro-backtrace for more info)
[INFO] [stderr] 
[INFO] [stderr] error[E0599]: no function or associated item named `use_mut_singleton_with_arg` found for struct `Dummy` in the current scope
[INFO] [stderr]   --> $DIR/singleton-f-3.rs:22:5
[INFO] [stderr]    |
[INFO] [stderr] 9  | struct Dummy(Vec<i32>);
[INFO] [stderr]    | ----------------------- function or associated item `use_mut_singleton_with_arg` not found for this
[INFO] [stderr] ...
[INFO] [stderr] 22 |     #[singleton_fn]
[INFO] [stderr]    |     ^^^^^^^^^^^^^^^ function or associated item not found in `Dummy`
[INFO] [stderr]    |
[INFO] [stderr]    = help: items from traits can only be used if the trait is implemented and in scope
[INFO] [stderr]    = note: the following trait defines an item `use_mut_singleton_with_arg`, perhaps you need to implement it:
[INFO] [stderr]            candidate #1: `blockz::singleton::Singleton`
[INFO] [stderr]    = note: this error originates in an attribute macro (in Nightly builds, run with -Z macro-backtrace for more info)
[INFO] [stderr] 
[INFO] [stderr] error[E0599]: no function or associated item named `use_singleton_with_arg` found for struct `Dummy` in the current scope
[INFO] [stderr]   --> $DIR/singleton-f-3.rs:27:5
[INFO] [stderr]    |
[INFO] [stderr] 9  | struct Dummy(Vec<i32>);
[INFO] [stderr]    | ----------------------- function or associated item `use_singleton_with_arg` not found for this
[INFO] [stderr] ...
[INFO] [stderr] 27 |     #[singleton_fn]
[INFO] [stderr]    |     ^^^^^^^^^^^^^^^ function or associated item not found in `Dummy`
[INFO] [stderr]    |
[INFO] [stderr]    = help: items from traits can only be used if the trait is implemented and in scope
[INFO] [stderr]    = note: the following trait defines an item `use_singleton_with_arg`, perhaps you need to implement it:
[INFO] [stderr]            candidate #1: `blockz::singleton::Singleton`
[INFO] [stderr]    = note: this error originates in an attribute macro (in Nightly builds, run with -Z macro-backtrace for more info)
[INFO] [stderr] ┈┈┈┈┈┈┈┈┈┈┈┈┈┈┈┈┈┈┈┈┈┈┈┈┈┈┈┈┈┈┈┈┈┈┈┈┈┈┈┈┈┈┈┈┈┈┈┈┈┈┈┈┈┈┈┈┈┈┈┈
[INFO] [stderr] 
[INFO] [stderr] ACTUAL OUTPUT:
[INFO] [stderr] ┈┈┈┈┈┈┈┈┈┈┈┈┈┈┈┈┈┈┈┈┈┈┈┈┈┈┈┈┈┈┈┈┈┈┈┈┈┈┈┈┈┈┈┈┈┈┈┈┈┈┈┈┈┈┈┈┈┈┈┈
[INFO] [stderr] error: Unknown literal value `rwlok`
[INFO] [stderr]  --> $DIR/singleton-f-3.rs:8:20
[INFO] [stderr]   |
[INFO] [stderr] 8 | #[singleton(lock = "rwlok")]
[INFO] [stderr]   |                    ^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] error[E0599]: no function or associated item named `use_singleton` found for struct `Dummy` in the current scope
[INFO] [stderr]   --> $DIR/singleton-f-3.rs:12:5
[INFO] [stderr]    |
[INFO] [stderr] 9  | struct Dummy(Vec<i32>);
[INFO] [stderr]    | ----------------------- function or associated item `use_singleton` not found for this
[INFO] [stderr] ...
[INFO] [stderr] 12 |     #[singleton_fn]
[INFO] [stderr]    |     ^^^^^^^^^^^^^^^ function or associated item not found in `Dummy`
[INFO] [stderr]    |
[INFO] [stderr]    = help: items from traits can only be used if the trait is implemented and in scope
[INFO] [stderr]    = note: the following trait defines an item `use_singleton`, perhaps you need to implement it:
[INFO] [stderr]            candidate #1: `blockz::singleton::Singleton`
[INFO] [stderr]    = note: this error originates in the attribute macro `singleton_fn` (in Nightly builds, run with -Z macro-backtrace for more info)
[INFO] [stderr] 
[INFO] [stderr] error[E0599]: no function or associated item named `use_mut_singleton` found for struct `Dummy` in the current scope
[INFO] [stderr]   --> $DIR/singleton-f-3.rs:17:5
[INFO] [stderr]    |
[INFO] [stderr] 9  | struct Dummy(Vec<i32>);
[INFO] [stderr]    | ----------------------- function or associated item `use_mut_singleton` not found for this
[INFO] [stderr] ...
[INFO] [stderr] 17 |     #[singleton_fn]
[INFO] [stderr]    |     ^^^^^^^^^^^^^^^ function or associated item not found in `Dummy`
[INFO] [stderr]    |
[INFO] [stderr]    = help: items from traits can only be used if the trait is implemented and in scope
[INFO] [stderr]    = note: the following trait defines an item `use_mut_singleton`, perhaps you need to implement it:
[INFO] [stderr]            candidate #1: `blockz::singleton::Singleton`
[INFO] [stderr]    = note: this error originates in the attribute macro `singleton_fn` (in Nightly builds, run with -Z macro-backtrace for more info)
[INFO] [stderr] 
[INFO] [stderr] error[E0599]: no function or associated item named `use_mut_singleton_with_arg` found for struct `Dummy` in the current scope
[INFO] [stderr]   --> $DIR/singleton-f-3.rs:22:5
[INFO] [stderr]    |
[INFO] [stderr] 9  | struct Dummy(Vec<i32>);
[INFO] [stderr]    | ----------------------- function or associated item `use_mut_singleton_with_arg` not found for this
[INFO] [stderr] ...
[INFO] [stderr] 22 |     #[singleton_fn]
[INFO] [stderr]    |     ^^^^^^^^^^^^^^^ function or associated item not found in `Dummy`
[INFO] [stderr]    |
[INFO] [stderr]    = help: items from traits can only be used if the trait is implemented and in scope
[INFO] [stderr]    = note: the following trait defines an item `use_mut_singleton_with_arg`, perhaps you need to implement it:
[INFO] [stderr]            candidate #1: `blockz::singleton::Singleton`
[INFO] [stderr]    = note: this error originates in the attribute macro `singleton_fn` (in Nightly builds, run with -Z macro-backtrace for more info)
[INFO] [stderr] 
[INFO] [stderr] error[E0599]: no function or associated item named `use_singleton_with_arg` found for struct `Dummy` in the current scope
[INFO] [stderr]   --> $DIR/singleton-f-3.rs:27:5
[INFO] [stderr]    |
[INFO] [stderr] 9  | struct Dummy(Vec<i32>);
[INFO] [stderr]    | ----------------------- function or associated item `use_singleton_with_arg` not found for this
[INFO] [stderr] ...
[INFO] [stderr] 27 |     #[singleton_fn]
[INFO] [stderr]    |     ^^^^^^^^^^^^^^^ function or associated item not found in `Dummy`
[INFO] [stderr]    |
[INFO] [stderr]    = help: items from traits can only be used if the trait is implemented and in scope
[INFO] [stderr]    = note: the following trait defines an item `use_singleton_with_arg`, perhaps you need to implement it:
[INFO] [stderr]            candidate #1: `blockz::singleton::Singleton`
[INFO] [stderr]    = note: this error originates in the attribute macro `singleton_fn` (in Nightly builds, run with -Z macro-backtrace for more info)
[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 singleton-f-4.rs [should fail to compile] ... ok
[INFO] [stderr] test singleton-f-5.rs [should fail to compile] ... ok
[INFO] [stderr] test singleton-f-6.rs [should fail to compile] ... ok
[INFO] [stderr] test singleton-f-7.rs [should fail to compile] ... ok
[INFO] [stderr] test singleton-f-8.rs [should fail to compile] ... mismatch
[INFO] [stderr] 
[INFO] [stderr] EXPECTED:
[INFO] [stderr] ┈┈┈┈┈┈┈┈┈┈┈┈┈┈┈┈┈┈┈┈┈┈┈┈┈┈┈┈┈┈┈┈┈┈┈┈┈┈┈┈┈┈┈┈┈┈┈┈┈┈┈┈┈┈┈┈┈┈┈┈
[INFO] [stderr] error: implementation of `SingletonFnMutWithArg` is not general enough
[INFO] [stderr]    --> $DIR/singleton-f-8.rs:23:5
[INFO] [stderr]     |
[INFO] [stderr] 23  |       #[singleton_fn]
[INFO] [stderr]     |       ^^^^^^^^^^^^^^^ implementation of `SingletonFnMutWithArg` is not general enough
[INFO] [stderr]     |
[INFO] [stderr]    ::: $WORKSPACE/src/singleton.rs
[INFO] [stderr]     |
[INFO] [stderr]     | / pub trait SingletonFnMutWithArg<'i, I, A, R>
[INFO] [stderr] 231 | | where
[INFO] [stderr] 232 | |     A: Send,
[INFO] [stderr] 233 | |     R: Send,
[INFO] [stderr] ...   |
[INFO] [stderr] 238 | |     fn call_once(self, inner: &'i mut I, arg: A) -> Self::SingletonResult;
[INFO] [stderr] 239 | | }
[INFO] [stderr]     | |_- trait `SingletonFnMutWithArg` defined here
[INFO] [stderr]     |
[INFO] [stderr]     = note: `for<'_, '_, '_> fn(&mut Dummy, (&usize, &i32)) -> impl Future {Dummy::blockz_singleton_fn_mut_with_arg_get_set}` must implement `SingletonFnMutWithArg<'0, Dummy, (&usize, &i32), Option<i32>>`, for any lifetime `'0`...
[INFO] [stderr]     = note: ...but `SingletonFnMutWithArg<'_, Dummy, (&usize, &i32), Option<i32>>` is actually implemented for the type `for<'_, '_, '_> fn(&mut Dummy, (&usize, &i32)) -> impl Future {Dummy::blockz_singleton_fn_mut_with_arg_get_set}`
[INFO] [stderr]     = note: this error originates in an attribute macro (in Nightly builds, run with -Z macro-backtrace for more info)
[INFO] [stderr] 
[INFO] [stderr] error: implementation of `SingletonFnWithArg` is not general enough
[INFO] [stderr]    --> $DIR/singleton-f-8.rs:28:5
[INFO] [stderr]     |
[INFO] [stderr] 28  |       #[singleton_fn]
[INFO] [stderr]     |       ^^^^^^^^^^^^^^^ implementation of `SingletonFnWithArg` is not general enough
[INFO] [stderr]     |
[INFO] [stderr]    ::: $WORKSPACE/src/singleton.rs
[INFO] [stderr]     |
[INFO] [stderr]     | / pub trait SingletonFnWithArg<'i, I, A, R>
[INFO] [stderr] 159 | | where
[INFO] [stderr] 160 | |     A: Send,
[INFO] [stderr] 161 | |     R: Send,
[INFO] [stderr] ...   |
[INFO] [stderr] 166 | |     fn call_once(self, inner: &'i I, arg: A) -> Self::SingletonResult;
[INFO] [stderr] 167 | | }
[INFO] [stderr]     | |_- trait `SingletonFnWithArg` defined here
[INFO] [stderr]     |
[INFO] [stderr]     = note: `for<'_, '_> fn(&Dummy, &[i32]) -> impl Future {Dummy::blockz_singleton_fn_with_arg_check_equals}` must implement `SingletonFnWithArg<'0, Dummy, &[i32], bool>`, for any lifetime `'0`...
[INFO] [stderr]     = note: ...but `SingletonFnWithArg<'_, Dummy, &[i32], bool>` is actually implemented for the type `for<'_, '_> fn(&Dummy, &[i32]) -> impl Future {Dummy::blockz_singleton_fn_with_arg_check_equals}`
[INFO] [stderr]     = note: this error originates in an attribute macro (in Nightly builds, run with -Z macro-backtrace for more info)
[INFO] [stderr] ┈┈┈┈┈┈┈┈┈┈┈┈┈┈┈┈┈┈┈┈┈┈┈┈┈┈┈┈┈┈┈┈┈┈┈┈┈┈┈┈┈┈┈┈┈┈┈┈┈┈┈┈┈┈┈┈┈┈┈┈
[INFO] [stderr] 
[INFO] [stderr] ACTUAL OUTPUT:
[INFO] [stderr] ┈┈┈┈┈┈┈┈┈┈┈┈┈┈┈┈┈┈┈┈┈┈┈┈┈┈┈┈┈┈┈┈┈┈┈┈┈┈┈┈┈┈┈┈┈┈┈┈┈┈┈┈┈┈┈┈┈┈┈┈
[INFO] [stderr] error: implementation of `SingletonFnMutWithArg` is not general enough
[INFO] [stderr]   --> $DIR/singleton-f-8.rs:23:5
[INFO] [stderr]    |
[INFO] [stderr] 23 |     #[singleton_fn]
[INFO] [stderr]    |     ^^^^^^^^^^^^^^^ implementation of `SingletonFnMutWithArg` is not general enough
[INFO] [stderr]    |
[INFO] [stderr]    = note: `for<'_, '_, '_> fn(&mut Dummy, (&usize, &i32)) -> impl Future {Dummy::blockz_singleton_fn_mut_with_arg_get_set}` must implement `SingletonFnMutWithArg<'0, Dummy, (&usize, &i32), Option<i32>>`, for any lifetime `'0`...
[INFO] [stderr]    = note: ...but it actually implements `SingletonFnMutWithArg<'_, Dummy, (&usize, &i32), Option<i32>>`
[INFO] [stderr]    = note: this error originates in the attribute macro `singleton_fn` (in Nightly builds, run with -Z macro-backtrace for more info)
[INFO] [stderr] 
[INFO] [stderr] error: implementation of `SingletonFnWithArg` is not general enough
[INFO] [stderr]   --> $DIR/singleton-f-8.rs:28:5
[INFO] [stderr]    |
[INFO] [stderr] 28 |     #[singleton_fn]
[INFO] [stderr]    |     ^^^^^^^^^^^^^^^ implementation of `SingletonFnWithArg` is not general enough
[INFO] [stderr]    |
[INFO] [stderr]    = note: `for<'_, '_> fn(&Dummy, &[i32]) -> impl Future {Dummy::blockz_singleton_fn_with_arg_check_equals}` must implement `SingletonFnWithArg<'0, Dummy, &[i32], bool>`, for any lifetime `'0`...
[INFO] [stderr]    = note: ...but it actually implements `SingletonFnWithArg<'_, Dummy, &[i32], bool>`
[INFO] [stderr]    = note: this error originates in the attribute macro `singleton_fn` (in Nightly builds, run with -Z macro-backtrace for more info)
[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::test_singleton ... FAILED
[INFO] [stdout] 
[INFO] [stdout] failures:
[INFO] [stdout] 
[INFO] [stdout] ---- test::test_singleton stdout ----
[INFO] [stdout] thread 'test::test_singleton' panicked at '5 of 12 tests failed', /opt/rustwide/cargo-home/registry/src/github.com-1ecc6299db9ec823/trybuild-1.0.43/src/run.rs:73:13
[INFO] [stdout] stack backtrace:
[INFO] [stdout]    0:     0x5638fe3eceb0 - std::backtrace_rs::backtrace::libunwind::trace::h34055254b57d8e79
[INFO] [stdout]                                at /rustc/a178d0322ce20e33eac124758e837cbd80a6f633/library/std/src/../../backtrace/src/backtrace/libunwind.rs:90:5
[INFO] [stdout]    1:     0x5638fe3eceb0 - std::backtrace_rs::backtrace::trace_unsynchronized::h8f1e3fbd9afff6ec
[INFO] [stdout]                                at /rustc/a178d0322ce20e33eac124758e837cbd80a6f633/library/std/src/../../backtrace/src/backtrace/mod.rs:66:5
[INFO] [stdout]    2:     0x5638fe3eceb0 - std::sys_common::backtrace::_print_fmt::h3a99a796b770c360
[INFO] [stdout]                                at /rustc/a178d0322ce20e33eac124758e837cbd80a6f633/library/std/src/sys_common/backtrace.rs:67:5
[INFO] [stdout]    3:     0x5638fe3eceb0 - <std::sys_common::backtrace::_print::DisplayBacktrace as core::fmt::Display>::fmt::h32d1f94a80615d18
[INFO] [stdout]                                at /rustc/a178d0322ce20e33eac124758e837cbd80a6f633/library/std/src/sys_common/backtrace.rs:46:22
[INFO] [stdout]    4:     0x5638fe4123ec - core::fmt::write::h306731c068f7162c
[INFO] [stdout]                                at /rustc/a178d0322ce20e33eac124758e837cbd80a6f633/library/core/src/fmt/mod.rs:1110:17
[INFO] [stdout]    5:     0x5638fe3e92d5 - std::io::Write::write_fmt::h87f19b0a2cd190bc
[INFO] [stdout]                                at /rustc/a178d0322ce20e33eac124758e837cbd80a6f633/library/std/src/io/mod.rs:1588:15
[INFO] [stdout]    6:     0x5638fe3ef1cb - std::sys_common::backtrace::_print::h5abaa2601a852287
[INFO] [stdout]                                at /rustc/a178d0322ce20e33eac124758e837cbd80a6f633/library/std/src/sys_common/backtrace.rs:49:5
[INFO] [stdout]    7:     0x5638fe3ef1cb - std::sys_common::backtrace::print::h8d81445442bb638f
[INFO] [stdout]                                at /rustc/a178d0322ce20e33eac124758e837cbd80a6f633/library/std/src/sys_common/backtrace.rs:36:9
[INFO] [stdout]    8:     0x5638fe3ef1cb - std::panicking::default_hook::{{closure}}::hcfe804496a9fa747
[INFO] [stdout]                                at /rustc/a178d0322ce20e33eac124758e837cbd80a6f633/library/std/src/panicking.rs:208:50
[INFO] [stdout]    9:     0x5638fe3eecdc - std::panicking::default_hook::hbea8e3ccf2ba8901
[INFO] [stdout]                                at /rustc/a178d0322ce20e33eac124758e837cbd80a6f633/library/std/src/panicking.rs:222:9
[INFO] [stdout]   10:     0x5638fe3ef894 - std::panicking::rust_panic_with_hook::h7ee9e1a2d0f8975a
[INFO] [stdout]                                at /rustc/a178d0322ce20e33eac124758e837cbd80a6f633/library/std/src/panicking.rs:622:17
[INFO] [stdout]   11:     0x5638fe3ef377 - std::panicking::begin_panic_handler::{{closure}}::h8ab3b4491718b2c7
[INFO] [stdout]                                at /rustc/a178d0322ce20e33eac124758e837cbd80a6f633/library/std/src/panicking.rs:519:13
[INFO] [stdout]   12:     0x5638fe3ed3ac - std::sys_common::backtrace::__rust_end_short_backtrace::hd489062ffa586a9f
[INFO] [stdout]                                at /rustc/a178d0322ce20e33eac124758e837cbd80a6f633/library/std/src/sys_common/backtrace.rs:141:18
[INFO] [stdout]   13:     0x5638fe3ef2d9 - rust_begin_unwind
[INFO] [stdout]                                at /rustc/a178d0322ce20e33eac124758e837cbd80a6f633/library/std/src/panicking.rs:515:5
[INFO] [stdout]   14:     0x5638fe18ff9b - std::panicking::begin_panic_fmt::h5479575e112541f8
[INFO] [stdout]                                at /rustc/a178d0322ce20e33eac124758e837cbd80a6f633/library/std/src/panicking.rs:457:5
[INFO] [stdout]   15:     0x5638fe1c7552 - trybuild::run::<impl trybuild::Runner>::run::hf65e5c7cfad24d20
[INFO] [stdout]                                at /opt/rustwide/cargo-home/registry/src/github.com-1ecc6299db9ec823/trybuild-1.0.43/src/run.rs:73:13
[INFO] [stdout]   16:     0x5638fe1cc1c2 - <trybuild::TestCases as core::ops::drop::Drop>::drop::hc09011ef24e8a820
[INFO] [stdout]                                at /opt/rustwide/cargo-home/registry/src/github.com-1ecc6299db9ec823/trybuild-1.0.43/src/lib.rs:306:13
[INFO] [stdout]   17:     0x5638fe1932e7 - core::ptr::drop_in_place<trybuild::TestCases>::hc64b6d83ed951a5f
[INFO] [stdout]                                at /rustc/a178d0322ce20e33eac124758e837cbd80a6f633/library/core/src/ptr/mod.rs:192:1
[INFO] [stdout]   18:     0x5638fe192324 - blockz::test::test_singleton::h0789a6b7373817ff
[INFO] [stdout]                                at /opt/rustwide/workdir/src/lib.rs:59:5
[INFO] [stdout]   19:     0x5638fe19117a - blockz::test::test_singleton::{{closure}}::h8acccc224d6c0b39
[INFO] [stdout]                                at /opt/rustwide/workdir/src/lib.rs:54:5
[INFO] [stdout]   20:     0x5638fe1931ee - core::ops::function::FnOnce::call_once::h06a8ab535fcda78e
[INFO] [stdout]                                at /rustc/a178d0322ce20e33eac124758e837cbd80a6f633/library/core/src/ops/function.rs:227:5
[INFO] [stdout]   21:     0x5638fe3c2433 - core::ops::function::FnOnce::call_once::h152e7e439ff59e19
[INFO] [stdout]                                at /rustc/a178d0322ce20e33eac124758e837cbd80a6f633/library/core/src/ops/function.rs:227:5
[INFO] [stdout]   22:     0x5638fe3c2433 - test::__rust_begin_short_backtrace::h0908f3b1fdbb72ab
[INFO] [stdout]                                at /rustc/a178d0322ce20e33eac124758e837cbd80a6f633/library/test/src/lib.rs:577:5
[INFO] [stdout]   23:     0x5638fe3c0ef0 - <alloc::boxed::Box<F,A> as core::ops::function::FnOnce<Args>>::call_once::hf6d2a51e5587546c
[INFO] [stdout]                                at /rustc/a178d0322ce20e33eac124758e837cbd80a6f633/library/alloc/src/boxed.rs:1575:9
[INFO] [stdout]   24:     0x5638fe3c0ef0 - <std::panic::AssertUnwindSafe<F> as core::ops::function::FnOnce<()>>::call_once::h8af660f3a89ef593
[INFO] [stdout]                                at /rustc/a178d0322ce20e33eac124758e837cbd80a6f633/library/std/src/panic.rs:347:9
[INFO] [stdout]   25:     0x5638fe3c0ef0 - std::panicking::try::do_call::hd36aef60f84b6d36
[INFO] [stdout]                                at /rustc/a178d0322ce20e33eac124758e837cbd80a6f633/library/std/src/panicking.rs:401:40
[INFO] [stdout]   26:     0x5638fe3c0ef0 - std::panicking::try::h9932b4480e69817c
[INFO] [stdout]                                at /rustc/a178d0322ce20e33eac124758e837cbd80a6f633/library/std/src/panicking.rs:365:19
[INFO] [stdout]   27:     0x5638fe3c0ef0 - std::panic::catch_unwind::h6aa177099cfff5f8
[INFO] [stdout]                                at /rustc/a178d0322ce20e33eac124758e837cbd80a6f633/library/std/src/panic.rs:434:14
[INFO] [stdout]   28:     0x5638fe3c0ef0 - test::run_test_in_process::h5884d6f2d99e20c3
[INFO] [stdout]                                at /rustc/a178d0322ce20e33eac124758e837cbd80a6f633/library/test/src/lib.rs:600:18
[INFO] [stdout]   29:     0x5638fe3c0ef0 - test::run_test::run_test_inner::{{closure}}::h6fdc58c6d5f5b6e3
[INFO] [stdout]                                at /rustc/a178d0322ce20e33eac124758e837cbd80a6f633/library/test/src/lib.rs:492:39
[INFO] [stdout]   30:     0x5638fe39a5a2 - test::run_test::run_test_inner::{{closure}}::h408365d67a78ade8
[INFO] [stdout]                                at /rustc/a178d0322ce20e33eac124758e837cbd80a6f633/library/test/src/lib.rs:519:37
[INFO] [stdout]   31:     0x5638fe39a5a2 - std::sys_common::backtrace::__rust_begin_short_backtrace::hb560b77c4f701523
[INFO] [stdout]                                at /rustc/a178d0322ce20e33eac124758e837cbd80a6f633/library/std/src/sys_common/backtrace.rs:125:18
[INFO] [stdout]   32:     0x5638fe39e158 - std::thread::Builder::spawn_unchecked::{{closure}}::{{closure}}::hf2e7831dad93c597
[INFO] [stdout]                                at /rustc/a178d0322ce20e33eac124758e837cbd80a6f633/library/std/src/thread/mod.rs:481:17
[INFO] [stdout]   33:     0x5638fe39e158 - <std::panic::AssertUnwindSafe<F> as core::ops::function::FnOnce<()>>::call_once::hd2e08783d8be4d02
[INFO] [stdout]                                at /rustc/a178d0322ce20e33eac124758e837cbd80a6f633/library/std/src/panic.rs:347:9
[INFO] [stdout]   34:     0x5638fe39e158 - std::panicking::try::do_call::h062597b7acfd6b82
[INFO] [stdout]                                at /rustc/a178d0322ce20e33eac124758e837cbd80a6f633/library/std/src/panicking.rs:401:40
[INFO] [stdout]   35:     0x5638fe39e158 - std::panicking::try::h0d7b79db04c14552
[INFO] [stdout]                                at /rustc/a178d0322ce20e33eac124758e837cbd80a6f633/library/std/src/panicking.rs:365:19
[INFO] [stdout]   36:     0x5638fe39e158 - std::panic::catch_unwind::hb01a0b5e7c8cd43b
[INFO] [stdout]                                at /rustc/a178d0322ce20e33eac124758e837cbd80a6f633/library/std/src/panic.rs:434:14
[INFO] [stdout]   37:     0x5638fe39e158 - std::thread::Builder::spawn_unchecked::{{closure}}::h5bde48cc887e0d1e
[INFO] [stdout]                                at /rustc/a178d0322ce20e33eac124758e837cbd80a6f633/library/std/src/thread/mod.rs:480:30
[INFO] [stdout]   38:     0x5638fe39e158 - core::ops::function::FnOnce::call_once{{vtable.shim}}::h745ea30807a29e55
[INFO] [stdout]                                at /rustc/a178d0322ce20e33eac124758e837cbd80a6f633/library/core/src/ops/function.rs:227:5
[INFO] [stdout]   39:     0x5638fe3f5857 - <alloc::boxed::Box<F,A> as core::ops::function::FnOnce<Args>>::call_once::h7ece6cfefaff1005
[INFO] [stdout]                                at /rustc/a178d0322ce20e33eac124758e837cbd80a6f633/library/alloc/src/boxed.rs:1575:9
[INFO] [stdout]   40:     0x5638fe3f5857 - <alloc::boxed::Box<F,A> as core::ops::function::FnOnce<Args>>::call_once::hb8b48e55c21f193e
[INFO] [stdout]                                at /rustc/a178d0322ce20e33eac124758e837cbd80a6f633/library/alloc/src/boxed.rs:1575:9
[INFO] [stdout]   41:     0x5638fe3f5857 - std::sys::unix::thread::Thread::new::thread_start::h8c7c4450dba62914
[INFO] [stdout]                                at /rustc/a178d0322ce20e33eac124758e837cbd80a6f633/library/std/src/sys/unix/thread.rs:71:17
[INFO] [stdout]   42:     0x7f58eb229609 - start_thread
[INFO] [stdout]   43:     0x7f58eaffb293 - clone
[INFO] [stdout]   44:                0x0 - <unknown>
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] failures:
[INFO] [stdout]     test::test_singleton
[INFO] [stdout] 
[INFO] [stdout] test result: FAILED. 1 passed; 1 failed; 0 ignored; 0 measured; 0 filtered out; finished in 45.54s
[INFO] [stdout] 
[INFO] [stderr] error: test failed, to rerun pass '--lib'
[INFO] running `Command { std: "docker" "inspect" "8f0d8119dba2bc7f966eb87596b4b87ab17b5554ee3097ae91d10871938e8cc0", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "8f0d8119dba2bc7f966eb87596b4b87ab17b5554ee3097ae91d10871938e8cc0", kill_on_drop: false }`
[INFO] [stdout] 8f0d8119dba2bc7f966eb87596b4b87ab17b5554ee3097ae91d10871938e8cc0
