[INFO] fetching crate union_type 0.1.0...
[INFO] testing union_type-0.1.0 against 1.49.0 for beta-1.50-1
[INFO] extracting crate union_type 0.1.0 into /workspace/builds/worker-11/source
[INFO] validating manifest of crates.io crate union_type 0.1.0 on toolchain 1.49.0
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+1.49.0" "read-manifest" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] started tweaking crates.io crate union_type 0.1.0
[INFO] finished tweaking crates.io crate union_type 0.1.0
[INFO] tweaked toml for crates.io crate union_type 0.1.0 written to /workspace/builds/worker-11/source/Cargo.toml
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+1.49.0" "generate-lockfile" "--manifest-path" "Cargo.toml" "-Zno-index-update", kill_on_drop: false }`
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+1.49.0" "fetch" "--locked" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-11/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-11/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" "rustops/crates-build-env@sha256:b8eeb62f26c39b23691079a6cb6de528d8e88b4d71a8f6b1d30f8ba7d9c16de9" "/opt/rustwide/cargo-home/bin/cargo" "+1.49.0" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] 384c784f01cd2b8e0f050e02ddcec6d7747bfe099fc1bba28e123184b43ccb77
[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" "384c784f01cd2b8e0f050e02ddcec6d7747bfe099fc1bba28e123184b43ccb77", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "384c784f01cd2b8e0f050e02ddcec6d7747bfe099fc1bba28e123184b43ccb77", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "384c784f01cd2b8e0f050e02ddcec6d7747bfe099fc1bba28e123184b43ccb77", kill_on_drop: false }`
[INFO] [stdout] 384c784f01cd2b8e0f050e02ddcec6d7747bfe099fc1bba28e123184b43ccb77
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-11/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-11/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" "rustops/crates-build-env@sha256:b8eeb62f26c39b23691079a6cb6de528d8e88b4d71a8f6b1d30f8ba7d9c16de9" "/opt/rustwide/cargo-home/bin/cargo" "+1.49.0" "build" "--frozen" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] aa1be18b48bf1eac61695095c7ef84d72db6c6a209e4ee247139a839a2bcca14
[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" "aa1be18b48bf1eac61695095c7ef84d72db6c6a209e4ee247139a839a2bcca14", kill_on_drop: false }`
[INFO] [stderr]    Compiling union_type v0.1.0 (/opt/rustwide/workdir)
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 2.50s
[INFO] running `Command { std: "docker" "inspect" "aa1be18b48bf1eac61695095c7ef84d72db6c6a209e4ee247139a839a2bcca14", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "aa1be18b48bf1eac61695095c7ef84d72db6c6a209e4ee247139a839a2bcca14", kill_on_drop: false }`
[INFO] [stdout] aa1be18b48bf1eac61695095c7ef84d72db6c6a209e4ee247139a839a2bcca14
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-11/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-11/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" "rustops/crates-build-env@sha256:b8eeb62f26c39b23691079a6cb6de528d8e88b4d71a8f6b1d30f8ba7d9c16de9" "/opt/rustwide/cargo-home/bin/cargo" "+1.49.0" "test" "--frozen" "--no-run" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] 3117bebf98d6eee0b0f393292d86c84e9fc380d6cdf9c5c9dddc77a0d5b891aa
[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" "3117bebf98d6eee0b0f393292d86c84e9fc380d6cdf9c5c9dddc77a0d5b891aa", kill_on_drop: false }`
[INFO] [stderr]    Compiling union_type v0.1.0 (/opt/rustwide/workdir)
[INFO] [stderr]     Finished test [unoptimized + debuginfo] target(s) in 0.48s
[INFO] running `Command { std: "docker" "inspect" "3117bebf98d6eee0b0f393292d86c84e9fc380d6cdf9c5c9dddc77a0d5b891aa", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "3117bebf98d6eee0b0f393292d86c84e9fc380d6cdf9c5c9dddc77a0d5b891aa", kill_on_drop: false }`
[INFO] [stdout] 3117bebf98d6eee0b0f393292d86c84e9fc380d6cdf9c5c9dddc77a0d5b891aa
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-11/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-11/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" "rustops/crates-build-env@sha256:b8eeb62f26c39b23691079a6cb6de528d8e88b4d71a8f6b1d30f8ba7d9c16de9" "/opt/rustwide/cargo-home/bin/cargo" "+1.49.0" "test" "--frozen", kill_on_drop: false }`
[INFO] [stdout] c1b6802f3fcfc19c305e5f71918426ebbc781911ea807805f80191e4f2ab51fa
[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" "c1b6802f3fcfc19c305e5f71918426ebbc781911ea807805f80191e4f2ab51fa", kill_on_drop: false }`
[INFO] [stderr]     Finished test [unoptimized + debuginfo] target(s) in 0.01s
[INFO] [stderr]      Running /opt/rustwide/target/debug/deps/union_type-3988a9f2ba28d9a7
[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
[INFO] [stdout] 
[INFO] [stderr]    Doc-tests union_type
[INFO] [stdout] 
[INFO] [stdout] running 3 tests
[INFO] [stdout] test src/lib.rs - union_type (line 96) ... FAILED
[INFO] [stdout] test src/lib.rs - union_type (line 117) ... FAILED
[INFO] [stdout] test src/lib.rs - union_type (line 110) ... FAILED
[INFO] [stdout] 
[INFO] [stdout] failures:
[INFO] [stdout] 
[INFO] [stdout] ---- src/lib.rs - union_type (line 96) stdout ----
[INFO] [stdout] error: cannot find macro `union_type` in this scope
[INFO] [stdout]  --> src/lib.rs:97:1
[INFO] [stdout]   |
[INFO] [stdout] 4 | union_type! {
[INFO] [stdout]   | ^^^^^^^^^^
[INFO] [stdout]   |
[INFO] [stdout]   = note: consider importing this macro:
[INFO] [stdout]           union_type::union_type
[INFO] [stdout] 
[INFO] [stdout] error: aborting due to previous error
[INFO] [stdout] 
[INFO] [stdout] Couldn't compile the test.
[INFO] [stdout] ---- src/lib.rs - union_type (line 117) stdout ----
[INFO] [stdout] error[E0433]: failed to resolve: use of undeclared type `A`
[INFO] [stdout]  --> src/lib.rs:118:9
[INFO] [stdout]   |
[INFO] [stdout] 3 | let a = A::new();
[INFO] [stdout]   |         ^ use of undeclared type `A`
[INFO] [stdout] 
[INFO] [stdout] error[E0433]: failed to resolve: use of undeclared type `B`
[INFO] [stdout]  --> src/lib.rs:121:9
[INFO] [stdout]   |
[INFO] [stdout] 6 | let b = B::new();
[INFO] [stdout]   |         ^ use of undeclared type `B`
[INFO] [stdout] 
[INFO] [stdout] error[E0412]: cannot find type `C` in this scope
[INFO] [stdout]  --> src/lib.rs:119:12
[INFO] [stdout]   |
[INFO] [stdout] 4 | let mut c: C = a.into();
[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: E0412, E0433.
[INFO] [stdout] For more information about an error, try `rustc --explain E0412`.
[INFO] [stdout] Couldn't compile the test.
[INFO] [stdout] ---- src/lib.rs - union_type (line 110) stdout ----
[INFO] [stdout] error[E0433]: failed to resolve: use of undeclared type `A`
[INFO] [stdout]  --> src/lib.rs:111:9
[INFO] [stdout]   |
[INFO] [stdout] 3 | let a = A::new();
[INFO] [stdout]   |         ^ use of undeclared type `A`
[INFO] [stdout] 
[INFO] [stdout] error[E0412]: cannot find type `C` in this scope
[INFO] [stdout]  --> src/lib.rs:112:12
[INFO] [stdout]   |
[INFO] [stdout] 4 | let mut c: C = a.into();
[INFO] [stdout]   |            ^ not found in this scope
[INFO] [stdout] 
[INFO] [stdout] error[E0412]: cannot find type `A` in this scope
[INFO] [stdout]  --> src/lib.rs:114:8
[INFO] [stdout]   |
[INFO] [stdout] 6 | let a: A = c.try_into().unwrap();   // successful
[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: E0412, E0433.
[INFO] [stdout] For more information about an error, try `rustc --explain E0412`.
[INFO] [stdout] Couldn't compile the test.
[INFO] [stdout] 
[INFO] [stdout] failures:
[INFO] [stdout]     src/lib.rs - union_type (line 110)
[INFO] [stdout]     src/lib.rs - union_type (line 117)
[INFO] [stdout]     src/lib.rs - union_type (line 96)
[INFO] [stdout] 
[INFO] [stdout] test result: FAILED. 0 passed; 3 failed; 0 ignored; 0 measured; 0 filtered out
[INFO] [stdout] 
[INFO] [stderr] error: test failed, to rerun pass '--doc'
[INFO] running `Command { std: "docker" "inspect" "c1b6802f3fcfc19c305e5f71918426ebbc781911ea807805f80191e4f2ab51fa", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "c1b6802f3fcfc19c305e5f71918426ebbc781911ea807805f80191e4f2ab51fa", kill_on_drop: false }`
[INFO] [stdout] c1b6802f3fcfc19c305e5f71918426ebbc781911ea807805f80191e4f2ab51fa