[INFO] fetching crate cex_derive 0.5.2...
[INFO] testing cex_derive-0.5.2 against beta-2022-02-22 for beta-1.60-1
[INFO] extracting crate cex_derive 0.5.2 into /workspace/builds/worker-92/source
[INFO] validating manifest of crates.io crate cex_derive 0.5.2 on toolchain beta-2022-02-22
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+beta-2022-02-22" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }`
[INFO] started tweaking crates.io crate cex_derive 0.5.2
[INFO] finished tweaking crates.io crate cex_derive 0.5.2
[INFO] tweaked toml for crates.io crate cex_derive 0.5.2 written to /workspace/builds/worker-92/source/Cargo.toml
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+beta-2022-02-22" "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" "+beta-2022-02-22" "fetch" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-92/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-92/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@sha256:0cd99ca24d8e8c98e67c542213511d985b8778b5bdcbb160e038429496686047" "/opt/rustwide/cargo-home/bin/cargo" "+beta-2022-02-22" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] 99f1dd1ea8dda4ea028fb982444262a6da50dafd6bce0189d205cfebf3138a63
[INFO] running `Command { std: "docker" "start" "-a" "99f1dd1ea8dda4ea028fb982444262a6da50dafd6bce0189d205cfebf3138a63", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "99f1dd1ea8dda4ea028fb982444262a6da50dafd6bce0189d205cfebf3138a63", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "99f1dd1ea8dda4ea028fb982444262a6da50dafd6bce0189d205cfebf3138a63", kill_on_drop: false }`
[INFO] [stdout] 99f1dd1ea8dda4ea028fb982444262a6da50dafd6bce0189d205cfebf3138a63
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-92/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-92/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@sha256:0cd99ca24d8e8c98e67c542213511d985b8778b5bdcbb160e038429496686047" "/opt/rustwide/cargo-home/bin/cargo" "+beta-2022-02-22" "build" "--frozen" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] 6bc200fdc72389b77f6522aa6f26df62d94c9b828062ea1a2bae105c9edb081a
[INFO] running `Command { std: "docker" "start" "-a" "6bc200fdc72389b77f6522aa6f26df62d94c9b828062ea1a2bae105c9edb081a", kill_on_drop: false }`
[INFO] [stderr]    Compiling proc-macro2 v1.0.36
[INFO] [stderr]    Compiling unicode-xid v0.2.2
[INFO] [stderr]    Compiling syn v1.0.86
[INFO] [stderr]    Compiling hashbrown v0.11.2
[INFO] [stderr]    Compiling indexmap v1.8.0
[INFO] [stderr]    Compiling quote v1.0.15
[INFO] [stderr]    Compiling cex_derive v0.5.2 (/opt/rustwide/workdir)
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 15.68s
[INFO] running `Command { std: "docker" "inspect" "6bc200fdc72389b77f6522aa6f26df62d94c9b828062ea1a2bae105c9edb081a", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "6bc200fdc72389b77f6522aa6f26df62d94c9b828062ea1a2bae105c9edb081a", kill_on_drop: false }`
[INFO] [stdout] 6bc200fdc72389b77f6522aa6f26df62d94c9b828062ea1a2bae105c9edb081a
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-92/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-92/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@sha256:0cd99ca24d8e8c98e67c542213511d985b8778b5bdcbb160e038429496686047" "/opt/rustwide/cargo-home/bin/cargo" "+beta-2022-02-22" "test" "--frozen" "--no-run" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] d766f78628f15296182f6208ceb323c85c9f0fe5f8e9ba7b7c829cb12945d1b1
[INFO] running `Command { std: "docker" "start" "-a" "d766f78628f15296182f6208ceb323c85c9f0fe5f8e9ba7b7c829cb12945d1b1", kill_on_drop: false }`
[INFO] [stderr]    Compiling cex_derive v0.5.2 (/opt/rustwide/workdir)
[INFO] [stderr]     Finished test [unoptimized + debuginfo] target(s) in 1.13s
[INFO] running `Command { std: "docker" "inspect" "d766f78628f15296182f6208ceb323c85c9f0fe5f8e9ba7b7c829cb12945d1b1", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "d766f78628f15296182f6208ceb323c85c9f0fe5f8e9ba7b7c829cb12945d1b1", kill_on_drop: false }`
[INFO] [stdout] d766f78628f15296182f6208ceb323c85c9f0fe5f8e9ba7b7c829cb12945d1b1
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-92/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-92/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@sha256:0cd99ca24d8e8c98e67c542213511d985b8778b5bdcbb160e038429496686047" "/opt/rustwide/cargo-home/bin/cargo" "+beta-2022-02-22" "test" "--frozen", kill_on_drop: false }`
[INFO] [stdout] 3279e9334a7c9bd4db26e1adc42a9e89a19d8054a5139b547e9fb1505a9261a3
[INFO] running `Command { std: "docker" "start" "-a" "3279e9334a7c9bd4db26e1adc42a9e89a19d8054a5139b547e9fb1505a9261a3", kill_on_drop: false }`
[INFO] [stderr]     Finished test [unoptimized + debuginfo] target(s) in 0.06s
[INFO] [stderr]      Running unittests (/opt/rustwide/target/debug/deps/cex_derive-9dc45ef7a11ba02a)
[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 cex_derive
[INFO] [stdout] 
[INFO] [stdout] running 3 tests
[INFO] [stdout] test src/lib.rs - Result (line 629) - compile ... FAILED
[INFO] [stdout] test src/lib.rs - Result (line 639) - compile ... FAILED
[INFO] [stdout] test src/lib.rs - Result (line 647) - compile ... FAILED
[INFO] [stdout] 
[INFO] [stdout] failures:
[INFO] [stdout] 
[INFO] [stdout] ---- src/lib.rs - Result (line 629) stdout ----
[INFO] [stdout] error: cannot find attribute `cex` in this scope
[INFO] [stdout]  --> src/lib.rs:634:3
[INFO] [stdout]   |
[INFO] [stdout] 7 | #[cex] fn foo() -> Result!( i32 throws String, &'static str, SomeError ) {/**/}
[INFO] [stdout]   |   ^^^
[INFO] [stdout]   |
[INFO] [stdout]   = note: consider importing this attribute macro:
[INFO] [stdout]           cex_derive::cex
[INFO] [stdout] 
[INFO] [stdout] error: cannot find macro `Result` in this scope
[INFO] [stdout]  --> src/lib.rs:634:20
[INFO] [stdout]   |
[INFO] [stdout] 7 | #[cex] fn foo() -> Result!( i32 throws String, &'static str, SomeError ) {/**/}
[INFO] [stdout]   |                    ^^^^^^
[INFO] [stdout]   |
[INFO] [stdout]   = note: consider importing this macro:
[INFO] [stdout]           cex_derive::Result
[INFO] [stdout]   = note: `Result` is in scope, but it is an enum, not a macro
[INFO] [stdout] 
[INFO] [stdout] error: cannot find attribute `cex` in this scope
[INFO] [stdout]  --> src/lib.rs:630:3
[INFO] [stdout]   |
[INFO] [stdout] 3 | #[cex] fn throws_never() -> Result!(i32) {/**/}
[INFO] [stdout]   |   ^^^
[INFO] [stdout]   |
[INFO] [stdout]   = note: consider importing this attribute macro:
[INFO] [stdout]           cex_derive::cex
[INFO] [stdout] 
[INFO] [stdout] error: cannot find macro `Result` in this scope
[INFO] [stdout]  --> src/lib.rs:630:29
[INFO] [stdout]   |
[INFO] [stdout] 3 | #[cex] fn throws_never() -> Result!(i32) {/**/}
[INFO] [stdout]   |                             ^^^^^^
[INFO] [stdout]   |
[INFO] [stdout]   = note: consider importing this macro:
[INFO] [stdout]           cex_derive::Result
[INFO] [stdout]   = note: `Result` is in scope, but it is an enum, not a macro
[INFO] [stdout] 
[INFO] [stdout] error: aborting due to 4 previous errors
[INFO] [stdout] 
[INFO] [stdout] Couldn't compile the test.
[INFO] [stdout] ---- src/lib.rs - Result (line 639) stdout ----
[INFO] [stdout] error: expected `;`, found `}`
[INFO] [stdout]  --> src/lib.rs:641:62
[INFO] [stdout]   |
[INFO] [stdout] 4 |     let _f = #[cex] || -> Result!( i32 throws String ) {/**/}
[INFO] [stdout]   |                                                              ^ help: add `;` here
[INFO] [stdout] 5 | }
[INFO] [stdout]   | - unexpected token
[INFO] [stdout] 
[INFO] [stdout] error[E0658]: attributes on expressions are experimental
[INFO] [stdout]  --> src/lib.rs:641:14
[INFO] [stdout]   |
[INFO] [stdout] 4 |     let _f = #[cex] || -> Result!( i32 throws String ) {/**/}
[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 `cex` in this scope
[INFO] [stdout]  --> src/lib.rs:641:16
[INFO] [stdout]   |
[INFO] [stdout] 4 |     let _f = #[cex] || -> Result!( i32 throws String ) {/**/}
[INFO] [stdout]   |                ^^^
[INFO] [stdout]   |
[INFO] [stdout]   = note: consider importing this attribute macro:
[INFO] [stdout]           cex_derive::cex
[INFO] [stdout] 
[INFO] [stdout] error: cannot find macro `Result` in this scope
[INFO] [stdout]  --> src/lib.rs:641:27
[INFO] [stdout]   |
[INFO] [stdout] 4 |     let _f = #[cex] || -> Result!( i32 throws String ) {/**/}
[INFO] [stdout]   |                           ^^^^^^
[INFO] [stdout]   |
[INFO] [stdout]   = note: consider importing this macro:
[INFO] [stdout]           cex_derive::Result
[INFO] [stdout]   = note: `Result` is in scope, but it is an enum, not a macro
[INFO] [stdout] 
[INFO] [stdout] error: aborting due to 4 previous errors
[INFO] [stdout] 
[INFO] [stdout] For more information about this error, try `rustc --explain E0658`.
[INFO] [stdout] Couldn't compile the test.
[INFO] [stdout] ---- src/lib.rs - Result (line 647) stdout ----
[INFO] [stdout] error: cannot find attribute `cex` in this scope
[INFO] [stdout]  --> src/lib.rs:649:7
[INFO] [stdout]   |
[INFO] [stdout] 4 |     #[cex] let v: Result!( i32 throws String ) = try {/**/};
[INFO] [stdout]   |       ^^^
[INFO] [stdout]   |
[INFO] [stdout]   = note: consider importing this attribute macro:
[INFO] [stdout]           cex_derive::cex
[INFO] [stdout] 
[INFO] [stdout] error: cannot find macro `Result` in this scope
[INFO] [stdout]  --> src/lib.rs:649:19
[INFO] [stdout]   |
[INFO] [stdout] 4 |     #[cex] let v: Result!( i32 throws String ) = try {/**/};
[INFO] [stdout]   |                   ^^^^^^
[INFO] [stdout]   |
[INFO] [stdout]   = note: consider importing this macro:
[INFO] [stdout]           cex_derive::Result
[INFO] [stdout]   = note: `Result` is in scope, but it is an enum, not a macro
[INFO] [stdout] 
[INFO] [stdout] error[E0658]: `try` expression is experimental
[INFO] [stdout]  --> src/lib.rs:649:50
[INFO] [stdout]   |
[INFO] [stdout] 4 |     #[cex] let v: Result!( i32 throws String ) = try {/**/};
[INFO] [stdout]   |                                                  ^^^^^^^^^^
[INFO] [stdout]   |
[INFO] [stdout]   = note: see issue #31436 <https://github.com/rust-lang/rust/issues/31436> for more information
[INFO] [stdout] 
[INFO] [stdout] error: aborting due to 3 previous errors
[INFO] [stdout] 
[INFO] [stdout] For more information about this error, try `rustc --explain E0658`.
[INFO] [stdout] Couldn't compile the test.
[INFO] [stdout] 
[INFO] [stdout] failures:
[INFO] [stdout]     src/lib.rs - Result (line 629)
[INFO] [stdout]     src/lib.rs - Result (line 639)
[INFO] [stdout]     src/lib.rs - Result (line 647)
[INFO] [stdout] 
[INFO] [stdout] test result: FAILED. 0 passed; 3 failed; 0 ignored; 0 measured; 0 filtered out; finished in 0.08s
[INFO] [stdout] 
[INFO] [stderr] error: test failed, to rerun pass '--doc'
[INFO] running `Command { std: "docker" "inspect" "3279e9334a7c9bd4db26e1adc42a9e89a19d8054a5139b547e9fb1505a9261a3", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "3279e9334a7c9bd4db26e1adc42a9e89a19d8054a5139b547e9fb1505a9261a3", kill_on_drop: false }`
[INFO] [stdout] 3279e9334a7c9bd4db26e1adc42a9e89a19d8054a5139b547e9fb1505a9261a3