[INFO] fetching crate futures-signals-structs-derive 0.2.0...
[INFO] testing futures-signals-structs-derive-0.2.0 against 1.54.0 for beta-1.55-1
[INFO] extracting crate futures-signals-structs-derive 0.2.0 into /workspace/builds/worker-107/source
[INFO] validating manifest of crates.io crate futures-signals-structs-derive 0.2.0 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 futures-signals-structs-derive 0.2.0
[INFO] finished tweaking crates.io crate futures-signals-structs-derive 0.2.0
[INFO] tweaked toml for crates.io crate futures-signals-structs-derive 0.2.0 written to /workspace/builds/worker-107/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] running `Command { std: "/workspace/cargo-home/bin/cargo" "+1.54.0" "fetch" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-107/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-107/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] 62bb8aeb108b4475ed02de4452ba8209defa9bbcb5293e5372e133997bc93490
[INFO] running `Command { std: "docker" "start" "-a" "62bb8aeb108b4475ed02de4452ba8209defa9bbcb5293e5372e133997bc93490", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "62bb8aeb108b4475ed02de4452ba8209defa9bbcb5293e5372e133997bc93490", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "62bb8aeb108b4475ed02de4452ba8209defa9bbcb5293e5372e133997bc93490", kill_on_drop: false }`
[INFO] [stdout] 62bb8aeb108b4475ed02de4452ba8209defa9bbcb5293e5372e133997bc93490
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-107/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-107/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] 75f59eab472a4ffadf3cdf4d9b8d2f199810d4c2f1b0f32104a4d466a1645a0c
[INFO] running `Command { std: "docker" "start" "-a" "75f59eab472a4ffadf3cdf4d9b8d2f199810d4c2f1b0f32104a4d466a1645a0c", kill_on_drop: false }`
[INFO] [stderr]    Compiling syn v1.0.74
[INFO] [stderr]    Compiling futures-signals-structs-derive v0.2.0 (/opt/rustwide/workdir)
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 9.97s
[INFO] running `Command { std: "docker" "inspect" "75f59eab472a4ffadf3cdf4d9b8d2f199810d4c2f1b0f32104a4d466a1645a0c", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "75f59eab472a4ffadf3cdf4d9b8d2f199810d4c2f1b0f32104a4d466a1645a0c", kill_on_drop: false }`
[INFO] [stdout] 75f59eab472a4ffadf3cdf4d9b8d2f199810d4c2f1b0f32104a4d466a1645a0c
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-107/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-107/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] 8ea2427a9d5aca6b275a5893c4397fd2cf0126243a65b6516a52206c42ad4232
[INFO] running `Command { std: "docker" "start" "-a" "8ea2427a9d5aca6b275a5893c4397fd2cf0126243a65b6516a52206c42ad4232", kill_on_drop: false }`
[INFO] [stderr]    Compiling futures-signals-structs-derive v0.2.0 (/opt/rustwide/workdir)
[INFO] [stderr]     Finished test [unoptimized + debuginfo] target(s) in 0.51s
[INFO] running `Command { std: "docker" "inspect" "8ea2427a9d5aca6b275a5893c4397fd2cf0126243a65b6516a52206c42ad4232", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "8ea2427a9d5aca6b275a5893c4397fd2cf0126243a65b6516a52206c42ad4232", kill_on_drop: false }`
[INFO] [stdout] 8ea2427a9d5aca6b275a5893c4397fd2cf0126243a65b6516a52206c42ad4232
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-107/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-107/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] 4bb1e72a3f8fe36e930e97db5c416fbf5579f7aa1933346e2f0923573ad85330
[INFO] running `Command { std: "docker" "start" "-a" "4bb1e72a3f8fe36e930e97db5c416fbf5579f7aa1933346e2f0923573ad85330", kill_on_drop: false }`
[INFO] [stderr]     Finished test [unoptimized + debuginfo] target(s) in 0.01s
[INFO] [stderr]      Running unittests (/opt/rustwide/target/debug/deps/futures_signals_structs_derive-44e557f0813b36b0)
[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]    Doc-tests futures-signals-structs-derive
[INFO] [stdout] 
[INFO] [stdout] running 5 tests
[INFO] [stdout] test src/lib.rs - as_mutable_struct (line 136) ... FAILED
[INFO] [stdout] test src/lib.rs - as_mutable_struct (line 154) ... FAILED
[INFO] [stdout] test src/lib.rs - as_mutable_struct (line 128) ... FAILED
[INFO] [stdout] test src/lib.rs - as_mutable_struct (line 143) ... FAILED
[INFO] [stdout] test src/lib.rs - as_mutable_struct (line 109) ... FAILED
[INFO] [stdout] 
[INFO] [stdout] failures:
[INFO] [stdout] 
[INFO] [stdout] ---- src/lib.rs - as_mutable_struct (line 136) stdout ----
[INFO] [stdout] error[E0425]: cannot find value `mutable_score` in this scope
[INFO] [stdout]  --> src/lib.rs:137:12
[INFO] [stdout]   |
[INFO] [stdout] 3 | assert_eq!(mutable_score.snapshot(), PlayerScore {
[INFO] [stdout]   |            ^^^^^^^^^^^^^ not found in this scope
[INFO] [stdout] 
[INFO] [stdout] error[E0422]: cannot find struct, variant or union type `PlayerScore` in this scope
[INFO] [stdout]  --> src/lib.rs:137:38
[INFO] [stdout]   |
[INFO] [stdout] 3 | assert_eq!(mutable_score.snapshot(), PlayerScore {
[INFO] [stdout]   |                                      ^^^^^^^^^^^ not found in this scope
[INFO] [stdout] 
[INFO] [stdout] error: aborting due to 2 previous errors
[INFO] [stdout] 
[INFO] [stdout] Some errors have detailed explanations: E0422, E0425.
[INFO] [stdout] For more information about an error, try `rustc --explain E0422`.
[INFO] [stdout] Couldn't compile the test.
[INFO] [stdout] ---- src/lib.rs - as_mutable_struct (line 154) stdout ----
[INFO] [stdout] error: cannot find derive macro `AsMutableStruct` in this scope
[INFO] [stdout]  --> src/lib.rs:155:10
[INFO] [stdout]   |
[INFO] [stdout] 3 | #[derive(AsMutableStruct)]
[INFO] [stdout]   |          ^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] error: cannot find attribute `mutable_type` in this scope
[INFO] [stdout]  --> src/lib.rs:157:11
[INFO] [stdout]   |
[INFO] [stdout] 5 |         #[mutable_type = "MutablePlayerScore"] player_1: PlayerScore,
[INFO] [stdout]   |           ^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] error: cannot find attribute `mutable_type` in this scope
[INFO] [stdout]  --> src/lib.rs:158:11
[INFO] [stdout]   |
[INFO] [stdout] 6 |         #[mutable_type = "MutablePlayerScore"] player_2: PlayerScore,
[INFO] [stdout]   |           ^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] error[E0412]: cannot find type `PlayerScore` in this scope
[INFO] [stdout]  --> src/lib.rs:157:58
[INFO] [stdout]   |
[INFO] [stdout] 5 |         #[mutable_type = "MutablePlayerScore"] player_1: PlayerScore,
[INFO] [stdout]   |                                                          ^^^^^^^^^^^ not found in this scope
[INFO] [stdout] 
[INFO] [stdout] error[E0412]: cannot find type `PlayerScore` in this scope
[INFO] [stdout]  --> src/lib.rs:158:58
[INFO] [stdout]   |
[INFO] [stdout] 6 |         #[mutable_type = "MutablePlayerScore"] player_2: PlayerScore,
[INFO] [stdout]   |                                                          ^^^^^^^^^^^ not found in this scope
[INFO] [stdout] 
[INFO] [stdout] error: aborting due to 5 previous errors
[INFO] [stdout] 
[INFO] [stdout] For more information about this error, try `rustc --explain E0412`.
[INFO] [stdout] Couldn't compile the test.
[INFO] [stdout] ---- src/lib.rs - as_mutable_struct (line 128) stdout ----
[INFO] [stdout] error[E0433]: failed to resolve: use of undeclared type `Mutable`
[INFO] [stdout]  --> src/lib.rs:130:15
[INFO] [stdout]   |
[INFO] [stdout] 4 |         hits: Mutable::new(5),
[INFO] [stdout]   |               ^^^^^^^ use of undeclared type `Mutable`
[INFO] [stdout] 
[INFO] [stdout] error[E0433]: failed to resolve: use of undeclared type `Mutable`
[INFO] [stdout]  --> src/lib.rs:131:21
[INFO] [stdout]   |
[INFO] [stdout] 5 |         multiplier: Mutable::new(1.4),
[INFO] [stdout]   |                     ^^^^^^^ use of undeclared type `Mutable`
[INFO] [stdout] 
[INFO] [stdout] error[E0422]: cannot find struct, variant or union type `MutablePlayerScore` in this scope
[INFO] [stdout]  --> src/lib.rs:129:21
[INFO] [stdout]   |
[INFO] [stdout] 3 | let mutable_score = MutablePlayerScore {
[INFO] [stdout]   |                     ^^^^^^^^^^^^^^^^^^ not found in this scope
[INFO] [stdout] 
[INFO] [stdout] error: aborting due to 3 previous errors
[INFO] [stdout] 
[INFO] [stdout] Some errors have detailed explanations: E0422, E0433.
[INFO] [stdout] For more information about an error, try `rustc --explain E0422`.
[INFO] [stdout] Couldn't compile the test.
[INFO] [stdout] ---- src/lib.rs - as_mutable_struct (line 143) stdout ----
[INFO] [stdout] error[E0425]: cannot find value `mutable_score` in this scope
[INFO] [stdout]  --> src/lib.rs:144:1
[INFO] [stdout]   |
[INFO] [stdout] 3 | mutable_score.update(PlayerScore {
[INFO] [stdout]   | ^^^^^^^^^^^^^ not found in this scope
[INFO] [stdout] 
[INFO] [stdout] error[E0422]: cannot find struct, variant or union type `PlayerScore` in this scope
[INFO] [stdout]  --> src/lib.rs:144:22
[INFO] [stdout]   |
[INFO] [stdout] 3 | mutable_score.update(PlayerScore {
[INFO] [stdout]   |                      ^^^^^^^^^^^ not found in this scope
[INFO] [stdout] 
[INFO] [stdout] error[E0425]: cannot find value `mutable_score` in this scope
[INFO] [stdout]  --> src/lib.rs:148:16
[INFO] [stdout]   |
[INFO] [stdout] 7 |     assert_eq!(mutable_score.snapshot(), PlayerScore {
[INFO] [stdout]   |                ^^^^^^^^^^^^^ not found in this scope
[INFO] [stdout] 
[INFO] [stdout] error[E0422]: cannot find struct, variant or union type `PlayerScore` in this scope
[INFO] [stdout]  --> src/lib.rs:148:42
[INFO] [stdout]   |
[INFO] [stdout] 7 |     assert_eq!(mutable_score.snapshot(), PlayerScore {
[INFO] [stdout]   |                                          ^^^^^^^^^^^ not found in this scope
[INFO] [stdout] 
[INFO] [stdout] error: aborting due to 4 previous errors
[INFO] [stdout] 
[INFO] [stdout] Some errors have detailed explanations: E0422, E0425.
[INFO] [stdout] For more information about an error, try `rustc --explain E0422`.
[INFO] [stdout] Couldn't compile the test.
[INFO] [stdout] ---- src/lib.rs - as_mutable_struct (line 109) stdout ----
[INFO] [stdout] error: cannot find derive macro `AsMutableStruct` in this scope
[INFO] [stdout]  --> src/lib.rs:110:10
[INFO] [stdout]   |
[INFO] [stdout] 2 | #[derive(AsMutableStruct)]
[INFO] [stdout]   |          ^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] error[E0599]: no method named `as_mutable_struct` found for struct `PlayerScore` in the current scope
[INFO] [stdout]   --> src/lib.rs:121:35
[INFO] [stdout]    |
[INFO] [stdout] 3  |     struct PlayerScore {
[INFO] [stdout]    |     ------------------ method `as_mutable_struct` not found for this
[INFO] [stdout] ...
[INFO] [stdout] 13 |         let mutable_score = score.as_mutable_struct();
[INFO] [stdout]    |                                   ^^^^^^^^^^^^^^^^^ method not found in `PlayerScore`
[INFO] [stdout] 
[INFO] [stdout] error: aborting due to 2 previous errors
[INFO] [stdout] 
[INFO] [stdout] For more information about this error, try `rustc --explain E0599`.
[INFO] [stdout] Couldn't compile the test.
[INFO] [stdout] 
[INFO] [stdout] failures:
[INFO] [stdout]     src/lib.rs - as_mutable_struct (line 109)
[INFO] [stdout]     src/lib.rs - as_mutable_struct (line 128)
[INFO] [stdout]     src/lib.rs - as_mutable_struct (line 136)
[INFO] [stdout]     src/lib.rs - as_mutable_struct (line 143)
[INFO] [stdout]     src/lib.rs - as_mutable_struct (line 154)
[INFO] [stdout] 
[INFO] [stdout] test result: FAILED. 0 passed; 5 failed; 0 ignored; 0 measured; 0 filtered out; finished in 0.19s
[INFO] [stdout] 
[INFO] [stderr] error: test failed, to rerun pass '--doc'
[INFO] running `Command { std: "docker" "inspect" "4bb1e72a3f8fe36e930e97db5c416fbf5579f7aa1933346e2f0923573ad85330", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "4bb1e72a3f8fe36e930e97db5c416fbf5579f7aa1933346e2f0923573ad85330", kill_on_drop: false }`
[INFO] [stdout] 4bb1e72a3f8fe36e930e97db5c416fbf5579f7aa1933346e2f0923573ad85330
