[INFO] fetching crate synthez-core 0.1.0...
[INFO] testing synthez-core-0.1.0 against master#432e145bd5a974c5b6f4dd9b352891bd7502b69d for pr-87041
[INFO] extracting crate synthez-core 0.1.0 into /workspace/builds/worker-4/source
[INFO] validating manifest of crates.io crate synthez-core 0.1.0 on toolchain 432e145bd5a974c5b6f4dd9b352891bd7502b69d
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+432e145bd5a974c5b6f4dd9b352891bd7502b69d" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }`
[INFO] started tweaking crates.io crate synthez-core 0.1.0
[INFO] finished tweaking crates.io crate synthez-core 0.1.0
[INFO] tweaked toml for crates.io crate synthez-core 0.1.0 written to /workspace/builds/worker-4/source/Cargo.toml
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+432e145bd5a974c5b6f4dd9b352891bd7502b69d" "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" "+432e145bd5a974c5b6f4dd9b352891bd7502b69d" "fetch" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] [stderr]     Blocking waiting for file lock on package cache
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-4/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-4/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" "+432e145bd5a974c5b6f4dd9b352891bd7502b69d" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] d593dfa47aff14ada0d932a8cd87aa9b759e61d70009a2519650ae2c4ab81e3c
[INFO] running `Command { std: "docker" "start" "-a" "d593dfa47aff14ada0d932a8cd87aa9b759e61d70009a2519650ae2c4ab81e3c", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "d593dfa47aff14ada0d932a8cd87aa9b759e61d70009a2519650ae2c4ab81e3c", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "d593dfa47aff14ada0d932a8cd87aa9b759e61d70009a2519650ae2c4ab81e3c", kill_on_drop: false }`
[INFO] [stdout] d593dfa47aff14ada0d932a8cd87aa9b759e61d70009a2519650ae2c4ab81e3c
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-4/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-4/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=forbid" "-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" "+432e145bd5a974c5b6f4dd9b352891bd7502b69d" "build" "--frozen" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] 33cc0e6646ad611a62aa5fc5acaaa9ce485924a43b2e05c38f6a6561959de2d6
[INFO] running `Command { std: "docker" "start" "-a" "33cc0e6646ad611a62aa5fc5acaaa9ce485924a43b2e05c38f6a6561959de2d6", kill_on_drop: false }`
[INFO] [stderr]    Compiling unicode-segmentation v1.8.0
[INFO] [stderr]    Compiling syn v1.0.73
[INFO] [stderr]    Compiling heck v0.3.3
[INFO] [stderr]    Compiling sealed v0.3.0
[INFO] [stderr]    Compiling synthez-core v0.1.0 (/opt/rustwide/workdir)
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 11.89s
[INFO] running `Command { std: "docker" "inspect" "33cc0e6646ad611a62aa5fc5acaaa9ce485924a43b2e05c38f6a6561959de2d6", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "33cc0e6646ad611a62aa5fc5acaaa9ce485924a43b2e05c38f6a6561959de2d6", kill_on_drop: false }`
[INFO] [stdout] 33cc0e6646ad611a62aa5fc5acaaa9ce485924a43b2e05c38f6a6561959de2d6
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-4/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-4/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=forbid" "-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" "+432e145bd5a974c5b6f4dd9b352891bd7502b69d" "test" "--frozen" "--no-run" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] e4ddf4a9accabcdc2d3b150f7e072326c5ec801e361f06916764513ba2e153c1
[INFO] running `Command { std: "docker" "start" "-a" "e4ddf4a9accabcdc2d3b150f7e072326c5ec801e361f06916764513ba2e153c1", kill_on_drop: false }`
[INFO] [stderr]    Compiling synthez-core v0.1.0 (/opt/rustwide/workdir)
[INFO] [stderr]     Finished test [unoptimized + debuginfo] target(s) in 0.93s
[INFO] running `Command { std: "docker" "inspect" "e4ddf4a9accabcdc2d3b150f7e072326c5ec801e361f06916764513ba2e153c1", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "e4ddf4a9accabcdc2d3b150f7e072326c5ec801e361f06916764513ba2e153c1", kill_on_drop: false }`
[INFO] [stdout] e4ddf4a9accabcdc2d3b150f7e072326c5ec801e361f06916764513ba2e153c1
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-4/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-4/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=forbid" "-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" "+432e145bd5a974c5b6f4dd9b352891bd7502b69d" "test" "--frozen", kill_on_drop: false }`
[INFO] [stdout] 979aa8a77a4e25e0521fb885f2e149aa59c6919848e3ce3bd34345b855b04adc
[INFO] running `Command { std: "docker" "start" "-a" "979aa8a77a4e25e0521fb885f2e149aa59c6919848e3ce3bd34345b855b04adc", kill_on_drop: false }`
[INFO] [stdout] 
[INFO] [stderr]     Finished test [unoptimized + debuginfo] target(s) in 0.02s
[INFO] [stdout] running 0 tests
[INFO] [stderr]      Running unittests (/opt/rustwide/target/debug/deps/synthez_core-828215e506d4cb9f)
[INFO] [stdout] 
[INFO] [stderr]    Doc-tests synthez-core
[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 1 test
[INFO] [stdout] test src/field.rs - field::if_empty (line 21) ... FAILED
[INFO] [stdout] 
[INFO] [stdout] failures:
[INFO] [stdout] 
[INFO] [stdout] ---- src/field.rs - field::if_empty (line 21) stdout ----
[INFO] [stdout] error[E0432]: unresolved import `synthez`
[INFO] [stdout]  --> src/field.rs:22:5
[INFO] [stdout]   |
[INFO] [stdout] 3 | use synthez::{field, parse, ParseAttrs};
[INFO] [stdout]   |     ^^^^^^^ use of undeclared crate or module `synthez`
[INFO] [stdout] 
[INFO] [stdout] error: cannot determine resolution for the derive macro `ParseAttrs`
[INFO] [stdout]  --> src/field.rs:24:19
[INFO] [stdout]   |
[INFO] [stdout] 5 | #[derive(Default, ParseAttrs)]
[INFO] [stdout]   |                   ^^^^^^^^^^
[INFO] [stdout]   |
[INFO] [stdout]   = note: import resolution is stuck, try simplifying macro imports
[INFO] [stdout] 
[INFO] [stdout] error: cannot determine resolution for the attribute macro `parse`
[INFO] [stdout]  --> src/field.rs:26:7
[INFO] [stdout]   |
[INFO] [stdout] 7 |     #[parse(value, fallback = field::if_empty(parse::attr::doc))]
[INFO] [stdout]   |       ^^^^^
[INFO] [stdout]   |
[INFO] [stdout]   = note: import resolution is stuck, try simplifying macro imports
[INFO] [stdout] 
[INFO] [stdout] error: aborting due to 3 previous errors
[INFO] [stdout] 
[INFO] [stdout] For more information about this error, try `rustc --explain E0432`.
[INFO] [stdout] Couldn't compile the test.
[INFO] [stdout] 
[INFO] [stdout] failures:
[INFO] [stdout]     src/field.rs - field::if_empty (line 21)
[INFO] [stdout] 
[INFO] [stdout] test result: FAILED. 0 passed; 1 failed; 0 ignored; 0 measured; 0 filtered out; finished in 0.06s
[INFO] [stdout] 
[INFO] [stderr] error: test failed, to rerun pass '--doc'
[INFO] running `Command { std: "docker" "inspect" "979aa8a77a4e25e0521fb885f2e149aa59c6919848e3ce3bd34345b855b04adc", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "979aa8a77a4e25e0521fb885f2e149aa59c6919848e3ce3bd34345b855b04adc", kill_on_drop: false }`
[INFO] [stdout] 979aa8a77a4e25e0521fb885f2e149aa59c6919848e3ce3bd34345b855b04adc