[INFO] fetching crate enumx_derive 0.4.2...
[INFO] testing enumx_derive-0.4.2 against beta-2021-08-01 for beta-1.55-1
[INFO] extracting crate enumx_derive 0.4.2 into /workspace/builds/worker-7/source
[INFO] validating manifest of crates.io crate enumx_derive 0.4.2 on toolchain beta-2021-08-01
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+beta-2021-08-01" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }`
[INFO] started tweaking crates.io crate enumx_derive 0.4.2
[INFO] finished tweaking crates.io crate enumx_derive 0.4.2
[INFO] tweaked toml for crates.io crate enumx_derive 0.4.2 written to /workspace/builds/worker-7/source/Cargo.toml
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+beta-2021-08-01" "generate-lockfile" "--manifest-path" "Cargo.toml" "-Zno-index-update", kill_on_drop: false }`
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+beta-2021-08-01" "fetch" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-7/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-7/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" "+beta-2021-08-01" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] ed33edd72c6dafa88a23b87dd97e472d3f1591255500467c8fe841c62860061e
[INFO] [stderr] WARNING: Your kernel does not support swap limit capabilities or the cgroup is not mounted. Memory limited without swap.
[INFO] running `Command { std: "docker" "start" "-a" "ed33edd72c6dafa88a23b87dd97e472d3f1591255500467c8fe841c62860061e", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "ed33edd72c6dafa88a23b87dd97e472d3f1591255500467c8fe841c62860061e", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "ed33edd72c6dafa88a23b87dd97e472d3f1591255500467c8fe841c62860061e", kill_on_drop: false }`
[INFO] [stdout] ed33edd72c6dafa88a23b87dd97e472d3f1591255500467c8fe841c62860061e
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-7/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-7/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" "+beta-2021-08-01" "build" "--frozen" "--message-format=json", kill_on_drop: false }`
[INFO] [stderr] WARNING: Your kernel does not support swap limit capabilities or the cgroup is not mounted. Memory limited without swap.
[INFO] [stdout] 769091946d4dda6c5065ccae3c7d1fe1cc080901a89a3362fb3a172ffadc04e6
[INFO] running `Command { std: "docker" "start" "-a" "769091946d4dda6c5065ccae3c7d1fe1cc080901a89a3362fb3a172ffadc04e6", kill_on_drop: false }`
[INFO] [stderr]    Compiling enumx_derive v0.4.2 (/opt/rustwide/workdir)
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 3.75s
[INFO] running `Command { std: "docker" "inspect" "769091946d4dda6c5065ccae3c7d1fe1cc080901a89a3362fb3a172ffadc04e6", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "769091946d4dda6c5065ccae3c7d1fe1cc080901a89a3362fb3a172ffadc04e6", kill_on_drop: false }`
[INFO] [stdout] 769091946d4dda6c5065ccae3c7d1fe1cc080901a89a3362fb3a172ffadc04e6
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-7/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-7/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" "+beta-2021-08-01" "test" "--frozen" "--no-run" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] f598e78bedadb445d832ed77d31862dd8b21c010136b4de3aed6f623ce74ba32
[INFO] [stderr] WARNING: Your kernel does not support swap limit capabilities or the cgroup is not mounted. Memory limited without swap.
[INFO] running `Command { std: "docker" "start" "-a" "f598e78bedadb445d832ed77d31862dd8b21c010136b4de3aed6f623ce74ba32", kill_on_drop: false }`
[INFO] [stderr]    Compiling enumx_derive v0.4.2 (/opt/rustwide/workdir)
[INFO] [stderr]     Finished test [unoptimized + debuginfo] target(s) in 1.02s
[INFO] running `Command { std: "docker" "inspect" "f598e78bedadb445d832ed77d31862dd8b21c010136b4de3aed6f623ce74ba32", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "f598e78bedadb445d832ed77d31862dd8b21c010136b4de3aed6f623ce74ba32", kill_on_drop: false }`
[INFO] [stdout] f598e78bedadb445d832ed77d31862dd8b21c010136b4de3aed6f623ce74ba32
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-7/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-7/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" "+beta-2021-08-01" "test" "--frozen", kill_on_drop: false }`
[INFO] [stderr] WARNING: Your kernel does not support swap limit capabilities or the cgroup is not mounted. Memory limited without swap.
[INFO] [stdout] f6a16c26985350990b1817b55d117cd47e3342a1a1f6b8ee7f2dd52c4f0cabd9
[INFO] running `Command { std: "docker" "start" "-a" "f6a16c26985350990b1817b55d117cd47e3342a1a1f6b8ee7f2dd52c4f0cabd9", kill_on_drop: false }`
[INFO] [stderr]     Finished test [unoptimized + debuginfo] target(s) in 0.01s
[INFO] [stderr]      Running unittests (/opt/rustwide/target/debug/deps/enumx_derive-167726eeecc7f797)
[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 enumx_derive
[INFO] [stdout] 
[INFO] [stdout] running 7 tests
[INFO] [stdout] test src/lib.rs - derive_exchange (line 546) - compile ... FAILED
[INFO] [stdout] test src/lib.rs - Enum (line 94) ... FAILED
[INFO] [stdout] test src/lib.rs - def_impls (line 310) - compile ... FAILED
[INFO] [stdout] test src/lib.rs - sum_err (line 1586) ... FAILED
[INFO] [stdout] test src/lib.rs - sum (line 1456) - compile ... FAILED
[INFO] [stdout] test src/lib.rs - Enum (line 107) ... ok
[INFO] [stdout] test src/lib.rs - sum_err (line 1574) ... FAILED
[INFO] [stdout] 
[INFO] [stdout] failures:
[INFO] [stdout] 
[INFO] [stdout] ---- src/lib.rs - derive_exchange (line 546) stdout ----
[INFO] [stdout] error: cannot find derive macro `Exchange` in this scope
[INFO] [stdout]  --> src/lib.rs:547:11
[INFO] [stdout]   |
[INFO] [stdout] 3 | #[derive( Exchange )]
[INFO] [stdout]   |           ^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] error: aborting due to previous error
[INFO] [stdout] 
[INFO] [stdout] Couldn't compile the test.
[INFO] [stdout] ---- src/lib.rs - Enum (line 94) stdout ----
[INFO] [stdout] error[E0412]: cannot find type `Type0` in this scope
[INFO] [stdout]  --> src/lib.rs:96:9
[INFO] [stdout]   |
[INFO] [stdout] 4 |     _0( Type0 ),
[INFO] [stdout]   |         ^^^^^ not found in this scope
[INFO] [stdout] 
[INFO] [stdout] error[E0412]: cannot find type `Type1` in this scope
[INFO] [stdout]  --> src/lib.rs:97:9
[INFO] [stdout]   |
[INFO] [stdout] 5 |     _1( Type1 ),
[INFO] [stdout]   |         ^^^^^ not found in this scope
[INFO] [stdout] 
[INFO] [stdout] error[E0412]: cannot find type `TypeM` in this scope
[INFO] [stdout]  --> src/lib.rs:99:9
[INFO] [stdout]   |
[INFO] [stdout] 7 |     _M( TypeM ),
[INFO] [stdout]   |         ^^^^^ not found in this scope
[INFO] [stdout] 
[INFO] [stdout] error: aborting due to 3 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 - def_impls (line 310) stdout ----
[INFO] [stdout] error: cannot find macro `def_impls` in this scope
[INFO] [stdout]  --> src/lib.rs:311:1
[INFO] [stdout]   |
[INFO] [stdout] 3 | def_impls! {
[INFO] [stdout]   | ^^^^^^^^^
[INFO] [stdout]   |
[INFO] [stdout]   = note: consider importing this macro:
[INFO] [stdout]           enumx_derive::def_impls
[INFO] [stdout] 
[INFO] [stdout] error: aborting due to previous error
[INFO] [stdout] 
[INFO] [stdout] Couldn't compile the test.
[INFO] [stdout] ---- src/lib.rs - sum_err (line 1586) stdout ----
[INFO] [stdout] error: cannot find attribute `sum_err` in this scope
[INFO] [stdout]  --> src/lib.rs:1587:3
[INFO] [stdout]   |
[INFO] [stdout] 3 | #[sum_err]
[INFO] [stdout]   |   ^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] error: cannot find attribute `sum` in this scope
[INFO] [stdout]  --> src/lib.rs:1588:3
[INFO] [stdout]   |
[INFO] [stdout] 4 | #[sum( impl Clone )]
[INFO] [stdout]   |   ^^^
[INFO] [stdout] 
[INFO] [stdout] error[E0277]: `?` couldn't convert the error to `impl Clone`
[INFO] [stdout]    --> src/lib.rs:1592:26
[INFO] [stdout]     |
[INFO] [stdout] 5   | fn foo( branch: i32 ) -> Result<(), impl Clone> {
[INFO] [stdout]     |                          ---------------------- expected `impl Clone` because of this
[INFO] [stdout] ...
[INFO] [stdout] 8   |         1 => Ok( Err( 0 )? ),
[INFO] [stdout]     |                          ^ the trait `From<i32>` is not implemented for `impl Clone`
[INFO] [stdout]     |
[INFO] [stdout]     = note: the question mark operation (`?`) implicitly performs a conversion on the error value using the `From` trait
[INFO] [stdout]     = note: required because of the requirements on the impl of `FromResidual<Result<Infallible, i32>>` for `Result<(), impl Clone>`
[INFO] [stdout] note: required by `from_residual`
[INFO] [stdout] 
[INFO] [stdout] error[E0277]: `?` couldn't convert the error to `impl Clone`
[INFO] [stdout]    --> src/lib.rs:1593:32
[INFO] [stdout]     |
[INFO] [stdout] 5   | fn foo( branch: i32 ) -> Result<(), impl Clone> {
[INFO] [stdout]     |                          ---------------------- expected `impl Clone` because of this
[INFO] [stdout] ...
[INFO] [stdout] 9   |         2 => Ok( Err( "lorum" )? ),
[INFO] [stdout]     |                                ^ the trait `From<&str>` is not implemented for `impl Clone`
[INFO] [stdout]     |
[INFO] [stdout]     = note: the question mark operation (`?`) implicitly performs a conversion on the error value using the `From` trait
[INFO] [stdout]     = note: required because of the requirements on the impl of `FromResidual<Result<Infallible, &str>>` for `Result<(), impl Clone>`
[INFO] [stdout] note: required by `from_residual`
[INFO] [stdout] 
[INFO] [stdout] error: aborting due to 4 previous errors
[INFO] [stdout] 
[INFO] [stdout] For more information about this error, try `rustc --explain E0277`.
[INFO] [stdout] Couldn't compile the test.
[INFO] [stdout] ---- src/lib.rs - sum (line 1456) stdout ----
[INFO] [stdout] error[E0658]: attributes on expressions are experimental
[INFO] [stdout]  --> src/lib.rs:1460:9
[INFO] [stdout]   |
[INFO] [stdout] 6 |         #[variant] 1_i32
[INFO] [stdout]   |         ^^^^^^^^^^
[INFO] [stdout]   |
[INFO] [stdout]   = note: see issue #15701 <https://github.com/rust-lang/rust/issues/15701> for more information
[INFO] [stdout] 
[INFO] [stdout] error[E0658]: attributes on expressions are experimental
[INFO] [stdout]  --> src/lib.rs:1462:9
[INFO] [stdout]   |
[INFO] [stdout] 8 |         #[variant] "false"
[INFO] [stdout]   |         ^^^^^^^^^^
[INFO] [stdout]   |
[INFO] [stdout]   = note: see issue #15701 <https://github.com/rust-lang/rust/issues/15701> for more information
[INFO] [stdout] 
[INFO] [stdout] error: cannot find attribute `sum` in this scope
[INFO] [stdout]  --> src/lib.rs:1457:3
[INFO] [stdout]   |
[INFO] [stdout] 3 | #[sum]
[INFO] [stdout]   |   ^^^
[INFO] [stdout] 
[INFO] [stdout] error: cannot find attribute `variant` in this scope
[INFO] [stdout]  --> src/lib.rs:1460:11
[INFO] [stdout]   |
[INFO] [stdout] 6 |         #[variant] 1_i32
[INFO] [stdout]   |           ^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] error: cannot find attribute `variant` in this scope
[INFO] [stdout]  --> src/lib.rs:1462:11
[INFO] [stdout]   |
[INFO] [stdout] 8 |         #[variant] "false"
[INFO] [stdout]   |           ^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] error[E0308]: `if` and `else` have incompatible types
[INFO] [stdout]  --> src/lib.rs:1462:20
[INFO] [stdout]   |
[INFO] [stdout] 5 | /     if cond {
[INFO] [stdout] 6 | |         #[variant] 1_i32
[INFO] [stdout]   | |                    ----- expected because of this
[INFO] [stdout] 7 | |     } else {
[INFO] [stdout] 8 | |         #[variant] "false"
[INFO] [stdout]   | |                    ^^^^^^^ expected `i32`, found `&str`
[INFO] [stdout] 9 | |     }
[INFO] [stdout]   | |_____- `if` and `else` have incompatible types
[INFO] [stdout]   |
[INFO] [stdout] help: you could change the return type to be a boxed trait object
[INFO] [stdout]   |
[INFO] [stdout] 4 | fn f( cond: bool ) -> Box<dyn Clone> {
[INFO] [stdout]   |                       ^^^^^^^      ^
[INFO] [stdout] help: if you change the return type to expect trait objects, box the returned expressions
[INFO] [stdout]   |
[INFO] [stdout] 6 |         #[variant] Box::new(1_i32)
[INFO] [stdout] 7 |     } else {
[INFO] [stdout] 8 |         #[variant] Box::new("false")
[INFO] [stdout]   |
[INFO] [stdout] 
[INFO] [stdout] error: aborting due to 6 previous errors
[INFO] [stdout] 
[INFO] [stdout] Some errors have detailed explanations: E0308, E0658.
[INFO] [stdout] For more information about an error, try `rustc --explain E0308`.
[INFO] [stdout] Couldn't compile the test.
[INFO] [stdout] ---- src/lib.rs - sum_err (line 1574) stdout ----
[INFO] [stdout] error[E0658]: attributes on expressions are experimental
[INFO] [stdout]  --> src/lib.rs:1577:33
[INFO] [stdout]   |
[INFO] [stdout] 5 |     Err( error ) => return Err( #[variant] error ),
[INFO] [stdout]   |                                 ^^^^^^^^^^
[INFO] [stdout]   |
[INFO] [stdout]   = note: see issue #15701 <https://github.com/rust-lang/rust/issues/15701> for more information
[INFO] [stdout] 
[INFO] [stdout] error: cannot find attribute `variant` in this scope
[INFO] [stdout]  --> src/lib.rs:1577:35
[INFO] [stdout]   |
[INFO] [stdout] 5 |     Err( error ) => return Err( #[variant] error ),
[INFO] [stdout]   |                                   ^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] error[E0425]: cannot find value `expr` in this scope
[INFO] [stdout]  --> src/lib.rs:1575:7
[INFO] [stdout]   |
[INFO] [stdout] 3 | match expr {
[INFO] [stdout]   |       ^^^^ not found in this scope
[INFO] [stdout] 
[INFO] [stdout] error[E0308]: mismatched types
[INFO] [stdout]  --> src/lib.rs:1577:28
[INFO] [stdout]   |
[INFO] [stdout] 2 | fn main() { #[allow(non_snake_case)] fn _doctest_main_src_lib_rs_1574_0() {
[INFO] [stdout]   |                                                                           - help: try adding a return type: `-> Result<_, _>`
[INFO] [stdout] ...
[INFO] [stdout] 5 |     Err( error ) => return Err( #[variant] error ),
[INFO] [stdout]   |                            ^^^^^^^^^^^^^^^^^^^^^^^ expected `()`, found enum `Result`
[INFO] [stdout]   |
[INFO] [stdout]   = note: expected unit type `()`
[INFO] [stdout]                   found enum `Result<_, _>`
[INFO] [stdout] 
[INFO] [stdout] error: aborting due to 4 previous errors
[INFO] [stdout] 
[INFO] [stdout] Some errors have detailed explanations: E0308, E0425, E0658.
[INFO] [stdout] For more information about an error, try `rustc --explain E0308`.
[INFO] [stdout] Couldn't compile the test.
[INFO] [stdout] 
[INFO] [stdout] failures:
[INFO] [stdout]     src/lib.rs - Enum (line 94)
[INFO] [stdout]     src/lib.rs - def_impls (line 310)
[INFO] [stdout]     src/lib.rs - derive_exchange (line 546)
[INFO] [stdout]     src/lib.rs - sum (line 1456)
[INFO] [stdout]     src/lib.rs - sum_err (line 1574)
[INFO] [stdout]     src/lib.rs - sum_err (line 1586)
[INFO] [stdout] 
[INFO] [stdout] test result: FAILED. 1 passed; 6 failed; 0 ignored; 0 measured; 0 filtered out; finished in 0.63s
[INFO] [stdout] 
[INFO] [stderr] error: test failed, to rerun pass '--doc'
[INFO] running `Command { std: "docker" "inspect" "f6a16c26985350990b1817b55d117cd47e3342a1a1f6b8ee7f2dd52c4f0cabd9", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "f6a16c26985350990b1817b55d117cd47e3342a1a1f6b8ee7f2dd52c4f0cabd9", kill_on_drop: false }`
[INFO] [stdout] f6a16c26985350990b1817b55d117cd47e3342a1a1f6b8ee7f2dd52c4f0cabd9
