[INFO] fetching crate cex_derive 0.5.2...
[INFO] testing cex_derive-0.5.2 against beta-2021-08-01 for beta-1.55-1
[INFO] extracting crate cex_derive 0.5.2 into /workspace/builds/worker-1/source
[INFO] validating manifest of crates.io crate cex_derive 0.5.2 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 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-1/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-1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-1/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] b355f338766958e98412658a6fca2a37ae29fb4a2830c9353ad4f83aa4b099d8
[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" "b355f338766958e98412658a6fca2a37ae29fb4a2830c9353ad4f83aa4b099d8", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "b355f338766958e98412658a6fca2a37ae29fb4a2830c9353ad4f83aa4b099d8", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "b355f338766958e98412658a6fca2a37ae29fb4a2830c9353ad4f83aa4b099d8", kill_on_drop: false }`
[INFO] [stdout] b355f338766958e98412658a6fca2a37ae29fb4a2830c9353ad4f83aa4b099d8
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-1/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] [stdout] 6741aed25527b427db9c7f30d2fb5c1504bcaa303c4fcbbb5c6a958729bbd176
[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" "6741aed25527b427db9c7f30d2fb5c1504bcaa303c4fcbbb5c6a958729bbd176", kill_on_drop: false }`
[INFO] [stderr]    Compiling syn v1.0.74
[INFO] [stderr]    Compiling cex_derive v0.5.2 (/opt/rustwide/workdir)
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 18.10s
[INFO] running `Command { std: "docker" "inspect" "6741aed25527b427db9c7f30d2fb5c1504bcaa303c4fcbbb5c6a958729bbd176", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "6741aed25527b427db9c7f30d2fb5c1504bcaa303c4fcbbb5c6a958729bbd176", kill_on_drop: false }`
[INFO] [stdout] 6741aed25527b427db9c7f30d2fb5c1504bcaa303c4fcbbb5c6a958729bbd176
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-1/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] 3ea31a14b27943f3ab5174c657ad12731e17dc3b8f928ab51dfb3dfeaadc2152
[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" "3ea31a14b27943f3ab5174c657ad12731e17dc3b8f928ab51dfb3dfeaadc2152", kill_on_drop: false }`
[INFO] [stderr]    Compiling cex_derive v0.5.2 (/opt/rustwide/workdir)
[INFO] [stderr]     Finished test [unoptimized + debuginfo] target(s) in 1.04s
[INFO] running `Command { std: "docker" "inspect" "3ea31a14b27943f3ab5174c657ad12731e17dc3b8f928ab51dfb3dfeaadc2152", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "3ea31a14b27943f3ab5174c657ad12731e17dc3b8f928ab51dfb3dfeaadc2152", kill_on_drop: false }`
[INFO] [stdout] 3ea31a14b27943f3ab5174c657ad12731e17dc3b8f928ab51dfb3dfeaadc2152
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-1/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] [stdout] 167dcd05ff4b46ad9e7cc1454e5a7e8b902e000772fd68bafe13280956cecc1a
[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" "167dcd05ff4b46ad9e7cc1454e5a7e8b902e000772fd68bafe13280956cecc1a", kill_on_drop: false }`
[INFO] [stdout] 
[INFO] [stderr]     Finished test [unoptimized + debuginfo] target(s) in 0.03s
[INFO] [stdout] running 0 tests
[INFO] [stderr]      Running unittests (/opt/rustwide/target/debug/deps/cex_derive-e2bdbe83bc4b621f)
[INFO] [stdout] 
[INFO] [stderr]    Doc-tests cex_derive
[INFO] [stdout] test result: ok. 0 passed; 0 failed; 0 ignored; 0 measured; 0 filtered out; finished in 0.00s
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] running 3 tests
[INFO] [stdout] test src/lib.rs - Result (line 647) - compile ... FAILED
[INFO] [stdout] test src/lib.rs - Result (line 629) - compile ... FAILED
[INFO] [stdout] test src/lib.rs - Result (line 639) - compile ... FAILED
[INFO] [stdout] 
[INFO] [stdout] failures:
[INFO] [stdout] 
[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] 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] 
[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] ---- 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] 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] 
[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] 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] 
[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] 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] 
[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] 
[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 0.29s
[INFO] [stdout] 
[INFO] [stderr] error: test failed, to rerun pass '--doc'
[INFO] running `Command { std: "docker" "inspect" "167dcd05ff4b46ad9e7cc1454e5a7e8b902e000772fd68bafe13280956cecc1a", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "167dcd05ff4b46ad9e7cc1454e5a7e8b902e000772fd68bafe13280956cecc1a", kill_on_drop: false }`
[INFO] [stdout] 167dcd05ff4b46ad9e7cc1454e5a7e8b902e000772fd68bafe13280956cecc1a
