[INFO] fetching crate synthez-core 0.2.0...
[INFO] testing synthez-core-0.2.0 against 1.59.0 for beta-1.60-1
[INFO] extracting crate synthez-core 0.2.0 into /workspace/builds/worker-17/source
[INFO] validating manifest of crates.io crate synthez-core 0.2.0 on toolchain 1.59.0
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+1.59.0" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }`
[INFO] started tweaking crates.io crate synthez-core 0.2.0
[INFO] finished tweaking crates.io crate synthez-core 0.2.0
[INFO] tweaked toml for crates.io crate synthez-core 0.2.0 written to /workspace/builds/worker-17/source/Cargo.toml
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+1.59.0" "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" "+1.59.0" "fetch" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] [stderr]     Blocking waiting for file lock on package cache
[INFO] [stderr]     Blocking waiting for file lock on package cache
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-17/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-17/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" "+1.59.0" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] f9839a82d056e9830bfc669d4d331167e5d80f77d29f53eaffe5602139342f74
[INFO] running `Command { std: "docker" "start" "-a" "f9839a82d056e9830bfc669d4d331167e5d80f77d29f53eaffe5602139342f74", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "f9839a82d056e9830bfc669d4d331167e5d80f77d29f53eaffe5602139342f74", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "f9839a82d056e9830bfc669d4d331167e5d80f77d29f53eaffe5602139342f74", kill_on_drop: false }`
[INFO] [stdout] f9839a82d056e9830bfc669d4d331167e5d80f77d29f53eaffe5602139342f74
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-17/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-17/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" "+1.59.0" "build" "--frozen" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] 6a84593aceee3accfbec02733db0f0f7ab73374b8c275c4680dc41bf4213eab0
[INFO] running `Command { std: "docker" "start" "-a" "6a84593aceee3accfbec02733db0f0f7ab73374b8c275c4680dc41bf4213eab0", kill_on_drop: false }`
[INFO] [stderr]     Blocking waiting for file lock on package cache
[INFO] [stderr]    Compiling proc-macro2 v1.0.36
[INFO] [stderr]    Compiling syn v1.0.86
[INFO] [stderr]    Compiling unicode-segmentation v1.9.0
[INFO] [stderr]    Compiling heck v0.3.3
[INFO] [stderr]    Compiling quote v1.0.15
[INFO] [stderr]    Compiling sealed v0.3.0
[INFO] [stderr]    Compiling synthez-core v0.2.0 (/opt/rustwide/workdir)
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 18.97s
[INFO] running `Command { std: "docker" "inspect" "6a84593aceee3accfbec02733db0f0f7ab73374b8c275c4680dc41bf4213eab0", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "6a84593aceee3accfbec02733db0f0f7ab73374b8c275c4680dc41bf4213eab0", kill_on_drop: false }`
[INFO] [stdout] 6a84593aceee3accfbec02733db0f0f7ab73374b8c275c4680dc41bf4213eab0
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-17/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-17/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" "+1.59.0" "test" "--frozen" "--no-run" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] ae7091544120836a47dd4398c62122604e06384c97af8a58288f94c25040602c
[INFO] running `Command { std: "docker" "start" "-a" "ae7091544120836a47dd4398c62122604e06384c97af8a58288f94c25040602c", kill_on_drop: false }`
[INFO] [stderr]    Compiling synthez-core v0.2.0 (/opt/rustwide/workdir)
[INFO] [stderr]     Finished test [unoptimized + debuginfo] target(s) in 0.91s
[INFO] running `Command { std: "docker" "inspect" "ae7091544120836a47dd4398c62122604e06384c97af8a58288f94c25040602c", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "ae7091544120836a47dd4398c62122604e06384c97af8a58288f94c25040602c", kill_on_drop: false }`
[INFO] [stdout] ae7091544120836a47dd4398c62122604e06384c97af8a58288f94c25040602c
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-17/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-17/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" "+1.59.0" "test" "--frozen", kill_on_drop: false }`
[INFO] [stdout] b971bae865929dd431bc33da1f649f975b5a5e8f5f54f2662ccced34854ddb41
[INFO] running `Command { std: "docker" "start" "-a" "b971bae865929dd431bc33da1f649f975b5a5e8f5f54f2662ccced34854ddb41", kill_on_drop: false }`
[INFO] [stderr]     Finished test [unoptimized + debuginfo] target(s) in 0.05s
[INFO] [stderr]      Running unittests (/opt/rustwide/target/debug/deps/synthez_core-155d75f9572466bf)
[INFO] [stdout] 
[INFO] [stderr]    Doc-tests synthez-core
[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] [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 0.10s
[INFO] [stdout] 
[INFO] [stderr] error: test failed, to rerun pass '--doc'
[INFO] running `Command { std: "docker" "inspect" "b971bae865929dd431bc33da1f649f975b5a5e8f5f54f2662ccced34854ddb41", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "b971bae865929dd431bc33da1f649f975b5a5e8f5f54f2662ccced34854ddb41", kill_on_drop: false }`
[INFO] [stdout] b971bae865929dd431bc33da1f649f975b5a5e8f5f54f2662ccced34854ddb41