[INFO] fetching crate ibuilder_derive 0.1.8...
[INFO] testing ibuilder_derive-0.1.8 against 1.75.0 for beta-1.76-1
[INFO] extracting crate ibuilder_derive 0.1.8 into /workspace/builds/worker-6-tc1/source
[INFO] validating manifest of crates.io crate ibuilder_derive 0.1.8 on toolchain 1.75.0
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+1.75.0" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }`
[INFO] started tweaking crates.io crate ibuilder_derive 0.1.8
[INFO] finished tweaking crates.io crate ibuilder_derive 0.1.8
[INFO] tweaked toml for crates.io crate ibuilder_derive 0.1.8 written to /workspace/builds/worker-6-tc1/source/Cargo.toml
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+1.75.0" "generate-lockfile" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] [stderr]     Updating crates.io index
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+1.75.0" "fetch" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-6-tc1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-6-tc1/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@sha256:2788e3201cd34a07e3172128adcd8b3090168a8e3bcc40d7c032b9dda1df7d1c" "/opt/rustwide/cargo-home/bin/cargo" "+1.75.0" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] ac0bd6fe8bbc97a01280a5ce91b22bc506f1c812f56b750dc32ec5b236027683
[INFO] running `Command { std: "docker" "start" "-a" "ac0bd6fe8bbc97a01280a5ce91b22bc506f1c812f56b750dc32ec5b236027683", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "ac0bd6fe8bbc97a01280a5ce91b22bc506f1c812f56b750dc32ec5b236027683", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "ac0bd6fe8bbc97a01280a5ce91b22bc506f1c812f56b750dc32ec5b236027683", kill_on_drop: false }`
[INFO] [stdout] ac0bd6fe8bbc97a01280a5ce91b22bc506f1c812f56b750dc32ec5b236027683
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-6-tc1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-6-tc1/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" "RUSTDOCFLAGS=--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@sha256:2788e3201cd34a07e3172128adcd8b3090168a8e3bcc40d7c032b9dda1df7d1c" "/opt/rustwide/cargo-home/bin/cargo" "+1.75.0" "build" "--frozen" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] 012a1d33b663a090256b3b4faf656cbc1a1ed213bff23c9ca6acca2e48ea5721
[INFO] running `Command { std: "docker" "start" "-a" "012a1d33b663a090256b3b4faf656cbc1a1ed213bff23c9ca6acca2e48ea5721", kill_on_drop: false }`
[INFO] [stderr]    Compiling proc-macro2 v1.0.75
[INFO] [stderr]    Compiling proc-macro-error-attr v1.0.4
[INFO] [stderr]    Compiling syn v1.0.109
[INFO] [stderr]    Compiling proc-macro-error v1.0.4
[INFO] [stderr]    Compiling quote v1.0.35
[INFO] [stderr]    Compiling ibuilder_derive v0.1.8 (/opt/rustwide/workdir)
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 2.91s
[INFO] running `Command { std: "docker" "inspect" "012a1d33b663a090256b3b4faf656cbc1a1ed213bff23c9ca6acca2e48ea5721", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "012a1d33b663a090256b3b4faf656cbc1a1ed213bff23c9ca6acca2e48ea5721", kill_on_drop: false }`
[INFO] [stdout] 012a1d33b663a090256b3b4faf656cbc1a1ed213bff23c9ca6acca2e48ea5721
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-6-tc1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-6-tc1/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" "RUSTDOCFLAGS=--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@sha256:2788e3201cd34a07e3172128adcd8b3090168a8e3bcc40d7c032b9dda1df7d1c" "/opt/rustwide/cargo-home/bin/cargo" "+1.75.0" "test" "--frozen" "--no-run" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] 81b32da48c59148b075ed7e32e5ced60fed3fa81a92a35bf806317a30183db24
[INFO] running `Command { std: "docker" "start" "-a" "81b32da48c59148b075ed7e32e5ced60fed3fa81a92a35bf806317a30183db24", kill_on_drop: false }`
[INFO] [stderr]    Compiling ibuilder_derive v0.1.8 (/opt/rustwide/workdir)
[INFO] [stderr]     Finished test [unoptimized + debuginfo] target(s) in 0.68s
[INFO] running `Command { std: "docker" "inspect" "81b32da48c59148b075ed7e32e5ced60fed3fa81a92a35bf806317a30183db24", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "81b32da48c59148b075ed7e32e5ced60fed3fa81a92a35bf806317a30183db24", kill_on_drop: false }`
[INFO] [stdout] 81b32da48c59148b075ed7e32e5ced60fed3fa81a92a35bf806317a30183db24
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-6-tc1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-6-tc1/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" "RUSTDOCFLAGS=--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@sha256:2788e3201cd34a07e3172128adcd8b3090168a8e3bcc40d7c032b9dda1df7d1c" "/opt/rustwide/cargo-home/bin/cargo" "+1.75.0" "test" "--frozen", kill_on_drop: false }`
[INFO] [stdout] 3863a5cf2df235179d79158b5f7bc4ef48a84b59a55fdaaaa25bb77d7f058eb7
[INFO] running `Command { std: "docker" "start" "-a" "3863a5cf2df235179d79158b5f7bc4ef48a84b59a55fdaaaa25bb77d7f058eb7", kill_on_drop: false }`
[INFO] [stderr]     Finished test [unoptimized + debuginfo] target(s) in 0.01s
[INFO] [stderr]      Running unittests src/lib.rs (/opt/rustwide/target/debug/deps/ibuilder_derive-3b2bd1324801dc1b)
[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 ibuilder_derive
[INFO] [stdout] 
[INFO] [stdout] running 6 tests
[INFO] [stdout] test src/lib.rs - ibuilder_derive (line 129) ... FAILED
[INFO] [stdout] test src/lib.rs - (line 10) ... FAILED
[INFO] [stdout] test src/lib.rs - ibuilder_derive (line 146) ... FAILED
[INFO] [stdout] test src/lib.rs - ibuilder_derive (line 52) ... FAILED
[INFO] [stdout] test src/lib.rs - ibuilder_derive (line 76) ... FAILED
[INFO] [stdout] test src/lib.rs - ibuilder_derive (line 103) ... FAILED
[INFO] [stdout] 
[INFO] [stdout] failures:
[INFO] [stdout] 
[INFO] [stdout] ---- src/lib.rs - ibuilder_derive (line 129) stdout ----
[INFO] [stdout] error[E0433]: failed to resolve: use of undeclared crate or module `ibuilder`
[INFO] [stdout]  --> src/lib.rs:132:10
[INFO] [stdout]   |
[INFO] [stdout] 6 | #[derive(IBuilder)]
[INFO] [stdout]   |          ^^^^^^^^ use of undeclared crate or module `ibuilder`
[INFO] [stdout]   |
[INFO] [stdout]   = note: this error originates in the derive macro `IBuilder` (in Nightly builds, run with -Z macro-backtrace for more info)
[INFO] [stdout] 
[INFO] [stdout] error[E0433]: failed to resolve: use of undeclared crate or module `ibuilder`
[INFO] [stdout]  --> src/lib.rs:132:10
[INFO] [stdout]   |
[INFO] [stdout] 6 | #[derive(IBuilder)]
[INFO] [stdout]   |          ^^^^^^^^ use of undeclared crate or module `ibuilder`
[INFO] [stdout]   |
[INFO] [stdout]   = note: this error originates in the derive macro `IBuilder` (in Nightly builds, run with -Z macro-backtrace for more info)
[INFO] [stdout] help: consider importing this struct
[INFO] [stdout]   |
[INFO] [stdout] 2 + use syn::Field;
[INFO] [stdout]   |
[INFO] [stdout] 
[INFO] [stdout] error: aborting due to 2 previous errors
[INFO] [stdout] 
[INFO] [stdout] For more information about this error, try `rustc --explain E0433`.
[INFO] [stdout] Couldn't compile the test.
[INFO] [stdout] ---- src/lib.rs - (line 10) stdout ----
[INFO] [stdout] error[E0433]: failed to resolve: use of undeclared crate or module `ibuilder`
[INFO] [stdout]  --> src/lib.rs:13:10
[INFO] [stdout]   |
[INFO] [stdout] 6 | #[derive(IBuilder)]
[INFO] [stdout]   |          ^^^^^^^^ use of undeclared crate or module `ibuilder`
[INFO] [stdout]   |
[INFO] [stdout]   = note: this error originates in the derive macro `IBuilder` (in Nightly builds, run with -Z macro-backtrace for more info)
[INFO] [stdout] 
[INFO] [stdout] error: aborting due to previous error
[INFO] [stdout] 
[INFO] [stdout] For more information about this error, try `rustc --explain E0433`.
[INFO] [stdout] Couldn't compile the test.
[INFO] [stdout] ---- src/lib.rs - ibuilder_derive (line 146) stdout ----
[INFO] [stdout] error[E0433]: failed to resolve: use of undeclared crate or module `ibuilder`
[INFO] [stdout]  --> src/lib.rs:149:10
[INFO] [stdout]   |
[INFO] [stdout] 6 | #[derive(IBuilder)]
[INFO] [stdout]   |          ^^^^^^^^ use of undeclared crate or module `ibuilder`
[INFO] [stdout]   |
[INFO] [stdout]   = note: this error originates in the derive macro `IBuilder` (in Nightly builds, run with -Z macro-backtrace for more info)
[INFO] [stdout] 
[INFO] [stdout] error[E0433]: failed to resolve: use of undeclared crate or module `ibuilder`
[INFO] [stdout]   --> src/lib.rs:156:10
[INFO] [stdout]    |
[INFO] [stdout] 13 | #[derive(IBuilder)]
[INFO] [stdout]    |          ^^^^^^^^ use of undeclared crate or module `ibuilder`
[INFO] [stdout]    |
[INFO] [stdout]    = note: this error originates in the derive macro `IBuilder` (in Nightly builds, run with -Z macro-backtrace for more info)
[INFO] [stdout] 
[INFO] [stdout] error[E0433]: failed to resolve: use of undeclared crate or module `ibuilder`
[INFO] [stdout]   --> src/lib.rs:156:10
[INFO] [stdout]    |
[INFO] [stdout] 13 | #[derive(IBuilder)]
[INFO] [stdout]    |          ^^^^^^^^ use of undeclared crate or module `ibuilder`
[INFO] [stdout]    |
[INFO] [stdout]    = note: this error originates in the derive macro `IBuilder` (in Nightly builds, run with -Z macro-backtrace for more info)
[INFO] [stdout] help: consider importing this struct
[INFO] [stdout]    |
[INFO] [stdout] 2  + use syn::Field;
[INFO] [stdout]    |
[INFO] [stdout] 
[INFO] [stdout] error: aborting due to 3 previous errors
[INFO] [stdout] 
[INFO] [stdout] For more information about this error, try `rustc --explain E0433`.
[INFO] [stdout] Couldn't compile the test.
[INFO] [stdout] ---- src/lib.rs - ibuilder_derive (line 52) stdout ----
[INFO] [stdout] error[E0433]: failed to resolve: use of undeclared crate or module `ibuilder`
[INFO] [stdout]  --> src/lib.rs:55:10
[INFO] [stdout]   |
[INFO] [stdout] 6 | #[derive(IBuilder)]
[INFO] [stdout]   |          ^^^^^^^^ use of undeclared crate or module `ibuilder`
[INFO] [stdout]   |
[INFO] [stdout]   = note: this error originates in the derive macro `IBuilder` (in Nightly builds, run with -Z macro-backtrace for more info)
[INFO] [stdout] 
[INFO] [stdout] error[E0433]: failed to resolve: use of undeclared crate or module `ibuilder`
[INFO] [stdout]   --> src/lib.rs:61:10
[INFO] [stdout]    |
[INFO] [stdout] 12 | #[derive(IBuilder)]
[INFO] [stdout]    |          ^^^^^^^^ use of undeclared crate or module `ibuilder`
[INFO] [stdout]    |
[INFO] [stdout]    = note: this error originates in the derive macro `IBuilder` (in Nightly builds, run with -Z macro-backtrace for more info)
[INFO] [stdout] 
[INFO] [stdout] error[E0433]: failed to resolve: use of undeclared crate or module `ibuilder`
[INFO] [stdout]   --> src/lib.rs:61:10
[INFO] [stdout]    |
[INFO] [stdout] 12 | #[derive(IBuilder)]
[INFO] [stdout]    |          ^^^^^^^^ use of undeclared crate or module `ibuilder`
[INFO] [stdout]    |
[INFO] [stdout]    = note: this error originates in the derive macro `IBuilder` (in Nightly builds, run with -Z macro-backtrace for more info)
[INFO] [stdout] 
[INFO] [stdout] error[E0433]: failed to resolve: use of undeclared crate or module `ibuilder`
[INFO] [stdout]   --> src/lib.rs:61:10
[INFO] [stdout]    |
[INFO] [stdout] 12 | #[derive(IBuilder)]
[INFO] [stdout]    |          ^^^^^^^^ use of undeclared crate or module `ibuilder`
[INFO] [stdout]    |
[INFO] [stdout]    = note: this error originates in the derive macro `IBuilder` (in Nightly builds, run with -Z macro-backtrace for more info)
[INFO] [stdout] help: consider importing this struct
[INFO] [stdout]    |
[INFO] [stdout] 2  + use syn::Field;
[INFO] [stdout]    |
[INFO] [stdout] 
[INFO] [stdout] error: aborting due to 4 previous errors
[INFO] [stdout] 
[INFO] [stdout] For more information about this error, try `rustc --explain E0433`.
[INFO] [stdout] Couldn't compile the test.
[INFO] [stdout] ---- src/lib.rs - ibuilder_derive (line 76) stdout ----
[INFO] [stdout] error[E0433]: failed to resolve: use of undeclared crate or module `ibuilder`
[INFO] [stdout]  --> src/lib.rs:79:10
[INFO] [stdout]   |
[INFO] [stdout] 6 | #[derive(IBuilder)]
[INFO] [stdout]   |          ^^^^^^^^ use of undeclared crate or module `ibuilder`
[INFO] [stdout]   |
[INFO] [stdout]   = note: this error originates in the derive macro `IBuilder` (in Nightly builds, run with -Z macro-backtrace for more info)
[INFO] [stdout] 
[INFO] [stdout] error[E0433]: failed to resolve: use of undeclared crate or module `ibuilder`
[INFO] [stdout]   --> src/lib.rs:85:10
[INFO] [stdout]    |
[INFO] [stdout] 12 | #[derive(IBuilder)]
[INFO] [stdout]    |          ^^^^^^^^ use of undeclared crate or module `ibuilder`
[INFO] [stdout]    |
[INFO] [stdout]    = note: this error originates in the derive macro `IBuilder` (in Nightly builds, run with -Z macro-backtrace for more info)
[INFO] [stdout] 
[INFO] [stdout] error[E0433]: failed to resolve: use of undeclared crate or module `ibuilder`
[INFO] [stdout]   --> src/lib.rs:85:10
[INFO] [stdout]    |
[INFO] [stdout] 12 | #[derive(IBuilder)]
[INFO] [stdout]    |          ^^^^^^^^ use of undeclared crate or module `ibuilder`
[INFO] [stdout]    |
[INFO] [stdout]    = note: this error originates in the derive macro `IBuilder` (in Nightly builds, run with -Z macro-backtrace for more info)
[INFO] [stdout] 
[INFO] [stdout] error[E0433]: failed to resolve: use of undeclared crate or module `ibuilder`
[INFO] [stdout]   --> src/lib.rs:85:10
[INFO] [stdout]    |
[INFO] [stdout] 12 | #[derive(IBuilder)]
[INFO] [stdout]    |          ^^^^^^^^ use of undeclared crate or module `ibuilder`
[INFO] [stdout]    |
[INFO] [stdout]    = note: this error originates in the derive macro `IBuilder` (in Nightly builds, run with -Z macro-backtrace for more info)
[INFO] [stdout] help: consider importing this struct
[INFO] [stdout]    |
[INFO] [stdout] 2  + use syn::Field;
[INFO] [stdout]    |
[INFO] [stdout] 
[INFO] [stdout] error: aborting due to 4 previous errors
[INFO] [stdout] 
[INFO] [stdout] For more information about this error, try `rustc --explain E0433`.
[INFO] [stdout] Couldn't compile the test.
[INFO] [stdout] ---- src/lib.rs - ibuilder_derive (line 103) stdout ----
[INFO] [stdout] error[E0433]: failed to resolve: use of undeclared crate or module `ibuilder`
[INFO] [stdout]  --> src/lib.rs:106:10
[INFO] [stdout]   |
[INFO] [stdout] 6 | #[derive(IBuilder)]
[INFO] [stdout]   |          ^^^^^^^^ use of undeclared crate or module `ibuilder`
[INFO] [stdout]   |
[INFO] [stdout]   = note: this error originates in the derive macro `IBuilder` (in Nightly builds, run with -Z macro-backtrace for more info)
[INFO] [stdout] 
[INFO] [stdout] error[E0433]: failed to resolve: use of undeclared crate or module `ibuilder`
[INFO] [stdout]   --> src/lib.rs:117:10
[INFO] [stdout]    |
[INFO] [stdout] 17 | #[derive(IBuilder)]
[INFO] [stdout]    |          ^^^^^^^^ use of undeclared crate or module `ibuilder`
[INFO] [stdout]    |
[INFO] [stdout]    = note: this error originates in the derive macro `IBuilder` (in Nightly builds, run with -Z macro-backtrace for more info)
[INFO] [stdout] 
[INFO] [stdout] error[E0433]: failed to resolve: use of undeclared crate or module `ibuilder`
[INFO] [stdout]   --> src/lib.rs:117:10
[INFO] [stdout]    |
[INFO] [stdout] 17 | #[derive(IBuilder)]
[INFO] [stdout]    |          ^^^^^^^^ use of undeclared crate or module `ibuilder`
[INFO] [stdout]    |
[INFO] [stdout]    = note: this error originates in the derive macro `IBuilder` (in Nightly builds, run with -Z macro-backtrace for more info)
[INFO] [stdout] 
[INFO] [stdout] error[E0433]: failed to resolve: use of undeclared crate or module `ibuilder`
[INFO] [stdout]   --> src/lib.rs:117:10
[INFO] [stdout]    |
[INFO] [stdout] 17 | #[derive(IBuilder)]
[INFO] [stdout]    |          ^^^^^^^^ use of undeclared crate or module `ibuilder`
[INFO] [stdout]    |
[INFO] [stdout]    = note: this error originates in the derive macro `IBuilder` (in Nightly builds, run with -Z macro-backtrace for more info)
[INFO] [stdout] help: consider importing this struct
[INFO] [stdout]    |
[INFO] [stdout] 2  + use syn::Field;
[INFO] [stdout]    |
[INFO] [stdout] 
[INFO] [stdout] error: aborting due to 4 previous errors
[INFO] [stdout] 
[INFO] [stdout] For more information about this error, try `rustc --explain E0433`.
[INFO] [stdout] Couldn't compile the test.
[INFO] [stdout] 
[INFO] [stdout] failures:
[INFO] [stdout]     src/lib.rs - (line 10)
[INFO] [stdout]     src/lib.rs - ibuilder_derive (line 103)
[INFO] [stdout]     src/lib.rs - ibuilder_derive (line 129)
[INFO] [stdout]     src/lib.rs - ibuilder_derive (line 146)
[INFO] [stdout]     src/lib.rs - ibuilder_derive (line 52)
[INFO] [stdout]     src/lib.rs - ibuilder_derive (line 76)
[INFO] [stdout] 
[INFO] [stdout] test result: FAILED. 0 passed; 6 failed; 0 ignored; 0 measured; 0 filtered out; finished in 0.17s
[INFO] [stdout] 
[INFO] [stderr] error: doctest failed, to rerun pass `--doc`
[INFO] running `Command { std: "docker" "inspect" "3863a5cf2df235179d79158b5f7bc4ef48a84b59a55fdaaaa25bb77d7f058eb7", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "3863a5cf2df235179d79158b5f7bc4ef48a84b59a55fdaaaa25bb77d7f058eb7", kill_on_drop: false }`
[INFO] [stdout] 3863a5cf2df235179d79158b5f7bc4ef48a84b59a55fdaaaa25bb77d7f058eb7
[INFO] testing ibuilder_derive-0.1.8 against beta-2023-12-22 for beta-1.76-1
[INFO] extracting crate ibuilder_derive 0.1.8 into /workspace/builds/worker-6-tc2/source
[INFO] validating manifest of crates.io crate ibuilder_derive 0.1.8 on toolchain beta-2023-12-22
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+beta-2023-12-22" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }`
[INFO] started tweaking crates.io crate ibuilder_derive 0.1.8
[INFO] finished tweaking crates.io crate ibuilder_derive 0.1.8
[INFO] tweaked toml for crates.io crate ibuilder_derive 0.1.8 written to /workspace/builds/worker-6-tc2/source/Cargo.toml
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+beta-2023-12-22" "generate-lockfile" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] [stderr]     Updating crates.io index
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+beta-2023-12-22" "fetch" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-6-tc2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-6-tc2/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@sha256:2788e3201cd34a07e3172128adcd8b3090168a8e3bcc40d7c032b9dda1df7d1c" "/opt/rustwide/cargo-home/bin/cargo" "+beta-2023-12-22" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] e0c258691c1731122655f19999dd50a3bd729b8bb0d55c483b6f5264783b3eb9
[INFO] running `Command { std: "docker" "start" "-a" "e0c258691c1731122655f19999dd50a3bd729b8bb0d55c483b6f5264783b3eb9", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "e0c258691c1731122655f19999dd50a3bd729b8bb0d55c483b6f5264783b3eb9", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "e0c258691c1731122655f19999dd50a3bd729b8bb0d55c483b6f5264783b3eb9", kill_on_drop: false }`
[INFO] [stdout] e0c258691c1731122655f19999dd50a3bd729b8bb0d55c483b6f5264783b3eb9
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-6-tc2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-6-tc2/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" "RUSTDOCFLAGS=--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@sha256:2788e3201cd34a07e3172128adcd8b3090168a8e3bcc40d7c032b9dda1df7d1c" "/opt/rustwide/cargo-home/bin/cargo" "+beta-2023-12-22" "build" "--frozen" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] 5a5988a5f325754d9d02183c5d75a04e67f7b9366c01a489ef88687e6c6a252f
[INFO] running `Command { std: "docker" "start" "-a" "5a5988a5f325754d9d02183c5d75a04e67f7b9366c01a489ef88687e6c6a252f", kill_on_drop: false }`
[INFO] [stderr]    Compiling proc-macro2 v1.0.75
[INFO] [stderr]    Compiling proc-macro-error-attr v1.0.4
[INFO] [stderr]    Compiling syn v1.0.109
[INFO] [stderr]    Compiling proc-macro-error v1.0.4
[INFO] [stderr]    Compiling quote v1.0.35
[INFO] [stderr]    Compiling ibuilder_derive v0.1.8 (/opt/rustwide/workdir)
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 3.86s
[INFO] running `Command { std: "docker" "inspect" "5a5988a5f325754d9d02183c5d75a04e67f7b9366c01a489ef88687e6c6a252f", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "5a5988a5f325754d9d02183c5d75a04e67f7b9366c01a489ef88687e6c6a252f", kill_on_drop: false }`
[INFO] [stdout] 5a5988a5f325754d9d02183c5d75a04e67f7b9366c01a489ef88687e6c6a252f
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-6-tc2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-6-tc2/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" "RUSTDOCFLAGS=--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@sha256:2788e3201cd34a07e3172128adcd8b3090168a8e3bcc40d7c032b9dda1df7d1c" "/opt/rustwide/cargo-home/bin/cargo" "+beta-2023-12-22" "test" "--frozen" "--no-run" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] 27c2731cced06643024268679e2d29ee6f89160704fb0fd1acb47965737003e3
[INFO] running `Command { std: "docker" "start" "-a" "27c2731cced06643024268679e2d29ee6f89160704fb0fd1acb47965737003e3", kill_on_drop: false }`
[INFO] [stderr]    Compiling ibuilder_derive v0.1.8 (/opt/rustwide/workdir)
[INFO] [stderr]     Finished test [unoptimized + debuginfo] target(s) in 1.21s
[INFO] running `Command { std: "docker" "inspect" "27c2731cced06643024268679e2d29ee6f89160704fb0fd1acb47965737003e3", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "27c2731cced06643024268679e2d29ee6f89160704fb0fd1acb47965737003e3", kill_on_drop: false }`
[INFO] [stdout] 27c2731cced06643024268679e2d29ee6f89160704fb0fd1acb47965737003e3
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-6-tc2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-6-tc2/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" "RUSTDOCFLAGS=--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@sha256:2788e3201cd34a07e3172128adcd8b3090168a8e3bcc40d7c032b9dda1df7d1c" "/opt/rustwide/cargo-home/bin/cargo" "+beta-2023-12-22" "test" "--frozen", kill_on_drop: false }`
[INFO] [stdout] bcd311e9ea3e47314ff403f9bf4c185ffe8e1fb9319eb5dad95af4b156d45841
[INFO] running `Command { std: "docker" "start" "-a" "bcd311e9ea3e47314ff403f9bf4c185ffe8e1fb9319eb5dad95af4b156d45841", kill_on_drop: false }`
[INFO] [stderr]     Finished test [unoptimized + debuginfo] target(s) in 0.01s
[INFO] [stderr]      Running unittests src/lib.rs (/opt/rustwide/target/debug/deps/ibuilder_derive-50f3120a50d929fa)
[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 ibuilder_derive
[INFO] [stdout] 
[INFO] [stdout] running 6 tests
[INFO] [stdout] test src/lib.rs - ibuilder_derive (line 129) ... FAILED
[INFO] [stdout] test src/lib.rs - (line 10) ... FAILED
[INFO] [stdout] test src/lib.rs - ibuilder_derive (line 146) ... FAILED
[INFO] [stdout] test src/lib.rs - ibuilder_derive (line 76) ... FAILED
[INFO] [stdout] test src/lib.rs - ibuilder_derive (line 52) ... FAILED
[INFO] [stdout] test src/lib.rs - ibuilder_derive (line 103) ... FAILED
[INFO] [stdout] 
[INFO] [stdout] failures:
[INFO] [stdout] 
[INFO] [stdout] ---- src/lib.rs - ibuilder_derive (line 129) stdout ----
[INFO] [stdout] error[E0433]: failed to resolve: use of undeclared crate or module `ibuilder`
[INFO] [stdout]  --> src/lib.rs:132:10
[INFO] [stdout]   |
[INFO] [stdout] 6 | #[derive(IBuilder)]
[INFO] [stdout]   |          ^^^^^^^^ use of undeclared crate or module `ibuilder`
[INFO] [stdout]   |
[INFO] [stdout]   = note: this error originates in the derive macro `IBuilder` (in Nightly builds, run with -Z macro-backtrace for more info)
[INFO] [stdout] 
[INFO] [stdout] error[E0433]: failed to resolve: use of undeclared crate or module `ibuilder`
[INFO] [stdout]  --> src/lib.rs:132:10
[INFO] [stdout]   |
[INFO] [stdout] 6 | #[derive(IBuilder)]
[INFO] [stdout]   |          ^^^^^^^^ use of undeclared crate or module `ibuilder`
[INFO] [stdout]   |
[INFO] [stdout]   = note: this error originates in the derive macro `IBuilder` (in Nightly builds, run with -Z macro-backtrace for more info)
[INFO] [stdout] help: consider importing this struct
[INFO] [stdout]   |
[INFO] [stdout] 2 + use syn::Field;
[INFO] [stdout]   |
[INFO] [stdout] 
[INFO] [stdout] error: aborting due to 2 previous errors
[INFO] [stdout] 
[INFO] [stdout] For more information about this error, try `rustc --explain E0433`.
[INFO] [stdout] Couldn't compile the test.
[INFO] [stdout] ---- src/lib.rs - (line 10) stdout ----
[INFO] [stdout] error[E0433]: failed to resolve: use of undeclared crate or module `ibuilder`
[INFO] [stdout]  --> src/lib.rs:13:10
[INFO] [stdout]   |
[INFO] [stdout] 6 | #[derive(IBuilder)]
[INFO] [stdout]   |          ^^^^^^^^ use of undeclared crate or module `ibuilder`
[INFO] [stdout]   |
[INFO] [stdout]   = note: this error originates in the derive macro `IBuilder` (in Nightly builds, run with -Z macro-backtrace for more info)
[INFO] [stdout] 
[INFO] [stdout] error: aborting due to 1 previous error
[INFO] [stdout] 
[INFO] [stdout] For more information about this error, try `rustc --explain E0433`.
[INFO] [stdout] Couldn't compile the test.
[INFO] [stdout] ---- src/lib.rs - ibuilder_derive (line 146) stdout ----
[INFO] [stdout] error[E0433]: failed to resolve: use of undeclared crate or module `ibuilder`
[INFO] [stdout]  --> src/lib.rs:149:10
[INFO] [stdout]   |
[INFO] [stdout] 6 | #[derive(IBuilder)]
[INFO] [stdout]   |          ^^^^^^^^ use of undeclared crate or module `ibuilder`
[INFO] [stdout]   |
[INFO] [stdout]   = note: this error originates in the derive macro `IBuilder` (in Nightly builds, run with -Z macro-backtrace for more info)
[INFO] [stdout] 
[INFO] [stdout] error[E0433]: failed to resolve: use of undeclared crate or module `ibuilder`
[INFO] [stdout]   --> src/lib.rs:156:10
[INFO] [stdout]    |
[INFO] [stdout] 13 | #[derive(IBuilder)]
[INFO] [stdout]    |          ^^^^^^^^ use of undeclared crate or module `ibuilder`
[INFO] [stdout]    |
[INFO] [stdout]    = note: this error originates in the derive macro `IBuilder` (in Nightly builds, run with -Z macro-backtrace for more info)
[INFO] [stdout] 
[INFO] [stdout] error[E0433]: failed to resolve: use of undeclared crate or module `ibuilder`
[INFO] [stdout]   --> src/lib.rs:156:10
[INFO] [stdout]    |
[INFO] [stdout] 13 | #[derive(IBuilder)]
[INFO] [stdout]    |          ^^^^^^^^ use of undeclared crate or module `ibuilder`
[INFO] [stdout]    |
[INFO] [stdout]    = note: this error originates in the derive macro `IBuilder` (in Nightly builds, run with -Z macro-backtrace for more info)
[INFO] [stdout] help: consider importing this struct
[INFO] [stdout]    |
[INFO] [stdout] 2  + use syn::Field;
[INFO] [stdout]    |
[INFO] [stdout] 
[INFO] [stdout] error: aborting due to 3 previous errors
[INFO] [stdout] 
[INFO] [stdout] For more information about this error, try `rustc --explain E0433`.
[INFO] [stdout] Couldn't compile the test.
[INFO] [stdout] ---- src/lib.rs - ibuilder_derive (line 76) stdout ----
[INFO] [stdout] error[E0433]: failed to resolve: use of undeclared crate or module `ibuilder`
[INFO] [stdout]  --> src/lib.rs:79:10
[INFO] [stdout]   |
[INFO] [stdout] 6 | #[derive(IBuilder)]
[INFO] [stdout]   |          ^^^^^^^^ use of undeclared crate or module `ibuilder`
[INFO] [stdout]   |
[INFO] [stdout]   = note: this error originates in the derive macro `IBuilder` (in Nightly builds, run with -Z macro-backtrace for more info)
[INFO] [stdout] 
[INFO] [stdout] error[E0433]: failed to resolve: use of undeclared crate or module `ibuilder`
[INFO] [stdout]   --> src/lib.rs:85:10
[INFO] [stdout]    |
[INFO] [stdout] 12 | #[derive(IBuilder)]
[INFO] [stdout]    |          ^^^^^^^^ use of undeclared crate or module `ibuilder`
[INFO] [stdout]    |
[INFO] [stdout]    = note: this error originates in the derive macro `IBuilder` (in Nightly builds, run with -Z macro-backtrace for more info)
[INFO] [stdout] 
[INFO] [stdout] error[E0433]: failed to resolve: use of undeclared crate or module `ibuilder`
[INFO] [stdout]   --> src/lib.rs:85:10
[INFO] [stdout]    |
[INFO] [stdout] 12 | #[derive(IBuilder)]
[INFO] [stdout]    |          ^^^^^^^^ use of undeclared crate or module `ibuilder`
[INFO] [stdout]    |
[INFO] [stdout]    = note: this error originates in the derive macro `IBuilder` (in Nightly builds, run with -Z macro-backtrace for more info)
[INFO] [stdout] 
[INFO] [stdout] error[E0433]: failed to resolve: use of undeclared crate or module `ibuilder`
[INFO] [stdout]   --> src/lib.rs:85:10
[INFO] [stdout]    |
[INFO] [stdout] 12 | #[derive(IBuilder)]
[INFO] [stdout]    |          ^^^^^^^^ use of undeclared crate or module `ibuilder`
[INFO] [stdout]    |
[INFO] [stdout]    = note: this error originates in the derive macro `IBuilder` (in Nightly builds, run with -Z macro-backtrace for more info)
[INFO] [stdout] help: consider importing this struct
[INFO] [stdout]    |
[INFO] [stdout] 2  + use syn::Field;
[INFO] [stdout]    |
[INFO] [stdout] 
[INFO] [stdout] error: aborting due to 4 previous errors
[INFO] [stdout] 
[INFO] [stdout] For more information about this error, try `rustc --explain E0433`.
[INFO] [stdout] Couldn't compile the test.
[INFO] [stdout] ---- src/lib.rs - ibuilder_derive (line 52) stdout ----
[INFO] [stdout] error[E0433]: failed to resolve: use of undeclared crate or module `ibuilder`
[INFO] [stdout]  --> src/lib.rs:55:10
[INFO] [stdout]   |
[INFO] [stdout] 6 | #[derive(IBuilder)]
[INFO] [stdout]   |          ^^^^^^^^ use of undeclared crate or module `ibuilder`
[INFO] [stdout]   |
[INFO] [stdout]   = note: this error originates in the derive macro `IBuilder` (in Nightly builds, run with -Z macro-backtrace for more info)
[INFO] [stdout] 
[INFO] [stdout] error[E0433]: failed to resolve: use of undeclared crate or module `ibuilder`
[INFO] [stdout]   --> src/lib.rs:61:10
[INFO] [stdout]    |
[INFO] [stdout] 12 | #[derive(IBuilder)]
[INFO] [stdout]    |          ^^^^^^^^ use of undeclared crate or module `ibuilder`
[INFO] [stdout]    |
[INFO] [stdout]    = note: this error originates in the derive macro `IBuilder` (in Nightly builds, run with -Z macro-backtrace for more info)
[INFO] [stdout] 
[INFO] [stdout] error[E0433]: failed to resolve: use of undeclared crate or module `ibuilder`
[INFO] [stdout]   --> src/lib.rs:61:10
[INFO] [stdout]    |
[INFO] [stdout] 12 | #[derive(IBuilder)]
[INFO] [stdout]    |          ^^^^^^^^ use of undeclared crate or module `ibuilder`
[INFO] [stdout]    |
[INFO] [stdout]    = note: this error originates in the derive macro `IBuilder` (in Nightly builds, run with -Z macro-backtrace for more info)
[INFO] [stdout] 
[INFO] [stdout] error[E0433]: failed to resolve: use of undeclared crate or module `ibuilder`
[INFO] [stdout]   --> src/lib.rs:61:10
[INFO] [stdout]    |
[INFO] [stdout] 12 | #[derive(IBuilder)]
[INFO] [stdout]    |          ^^^^^^^^ use of undeclared crate or module `ibuilder`
[INFO] [stdout]    |
[INFO] [stdout]    = note: this error originates in the derive macro `IBuilder` (in Nightly builds, run with -Z macro-backtrace for more info)
[INFO] [stdout] help: consider importing this struct
[INFO] [stdout]    |
[INFO] [stdout] 2  + use syn::Field;
[INFO] [stdout]    |
[INFO] [stdout] 
[INFO] [stdout] error: aborting due to 4 previous errors
[INFO] [stdout] 
[INFO] [stdout] For more information about this error, try `rustc --explain E0433`.
[INFO] [stdout] Couldn't compile the test.
[INFO] [stdout] ---- src/lib.rs - ibuilder_derive (line 103) stdout ----
[INFO] [stdout] error[E0433]: failed to resolve: use of undeclared crate or module `ibuilder`
[INFO] [stdout]  --> src/lib.rs:106:10
[INFO] [stdout]   |
[INFO] [stdout] 6 | #[derive(IBuilder)]
[INFO] [stdout]   |          ^^^^^^^^ use of undeclared crate or module `ibuilder`
[INFO] [stdout]   |
[INFO] [stdout]   = note: this error originates in the derive macro `IBuilder` (in Nightly builds, run with -Z macro-backtrace for more info)
[INFO] [stdout] 
[INFO] [stdout] error[E0433]: failed to resolve: use of undeclared crate or module `ibuilder`
[INFO] [stdout]   --> src/lib.rs:117:10
[INFO] [stdout]    |
[INFO] [stdout] 17 | #[derive(IBuilder)]
[INFO] [stdout]    |          ^^^^^^^^ use of undeclared crate or module `ibuilder`
[INFO] [stdout]    |
[INFO] [stdout]    = note: this error originates in the derive macro `IBuilder` (in Nightly builds, run with -Z macro-backtrace for more info)
[INFO] [stdout] 
[INFO] [stdout] error[E0433]: failed to resolve: use of undeclared crate or module `ibuilder`
[INFO] [stdout]   --> src/lib.rs:117:10
[INFO] [stdout]    |
[INFO] [stdout] 17 | #[derive(IBuilder)]
[INFO] [stdout]    |          ^^^^^^^^ use of undeclared crate or module `ibuilder`
[INFO] [stdout]    |
[INFO] [stdout]    = note: this error originates in the derive macro `IBuilder` (in Nightly builds, run with -Z macro-backtrace for more info)
[INFO] [stdout] 
[INFO] [stdout] error[E0433]: failed to resolve: use of undeclared crate or module `ibuilder`
[INFO] [stdout]   --> src/lib.rs:117:10
[INFO] [stdout]    |
[INFO] [stdout] 17 | #[derive(IBuilder)]
[INFO] [stdout]    |          ^^^^^^^^ use of undeclared crate or module `ibuilder`
[INFO] [stdout]    |
[INFO] [stdout]    = note: this error originates in the derive macro `IBuilder` (in Nightly builds, run with -Z macro-backtrace for more info)
[INFO] [stdout] help: consider importing this struct
[INFO] [stdout]    |
[INFO] [stdout] 2  + use syn::Field;
[INFO] [stdout]    |
[INFO] [stdout] 
[INFO] [stdout] error: aborting due to 4 previous errors
[INFO] [stdout] 
[INFO] [stdout] For more information about this error, try `rustc --explain E0433`.
[INFO] [stdout] Couldn't compile the test.
[INFO] [stdout] 
[INFO] [stdout] failures:
[INFO] [stdout]     src/lib.rs - (line 10)
[INFO] [stdout]     src/lib.rs - ibuilder_derive (line 103)
[INFO] [stdout]     src/lib.rs - ibuilder_derive (line 129)
[INFO] [stdout]     src/lib.rs - ibuilder_derive (line 146)
[INFO] [stdout]     src/lib.rs - ibuilder_derive (line 52)
[INFO] [stdout]     src/lib.rs - ibuilder_derive (line 76)
[INFO] [stdout] 
[INFO] [stdout] test result: FAILED. 0 passed; 6 failed; 0 ignored; 0 measured; 0 filtered out; finished in 0.19s
[INFO] [stdout] 
[INFO] [stderr] error: doctest failed, to rerun pass `--doc`
[INFO] running `Command { std: "docker" "inspect" "bcd311e9ea3e47314ff403f9bf4c185ffe8e1fb9319eb5dad95af4b156d45841", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "bcd311e9ea3e47314ff403f9bf4c185ffe8e1fb9319eb5dad95af4b156d45841", kill_on_drop: false }`
[INFO] [stdout] bcd311e9ea3e47314ff403f9bf4c185ffe8e1fb9319eb5dad95af4b156d45841
