[INFO] fetching crate ibuilder_derive 0.1.8...
[INFO] testing ibuilder_derive-0.1.8 against 1.76.0 for beta-1.77-1
[INFO] extracting crate ibuilder_derive 0.1.8 into /workspace/builds/worker-0-tc1/source
[INFO] validating manifest of crates.io crate ibuilder_derive 0.1.8 on toolchain 1.76.0
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+1.76.0" "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-0-tc1/source/Cargo.toml
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+1.76.0" "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" "+1.76.0" "fetch" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-0-tc1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-0-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" "+1.76.0" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] c4c74b524c18e1d3f816f5e8e2edee43ddac6a37f8e900e463e1d66bf2047c3b
[INFO] running `Command { std: "docker" "start" "-a" "c4c74b524c18e1d3f816f5e8e2edee43ddac6a37f8e900e463e1d66bf2047c3b", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "c4c74b524c18e1d3f816f5e8e2edee43ddac6a37f8e900e463e1d66bf2047c3b", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "c4c74b524c18e1d3f816f5e8e2edee43ddac6a37f8e900e463e1d66bf2047c3b", kill_on_drop: false }`
[INFO] [stdout] c4c74b524c18e1d3f816f5e8e2edee43ddac6a37f8e900e463e1d66bf2047c3b
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-0-tc1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-0-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" "+1.76.0" "build" "--frozen" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] 2de55734b93846a2a8ff0d0ac8bafd61bbc141d24da1cf7abc36f8d46b23bd43
[INFO] running `Command { std: "docker" "start" "-a" "2de55734b93846a2a8ff0d0ac8bafd61bbc141d24da1cf7abc36f8d46b23bd43", kill_on_drop: false }`
[INFO] [stderr]    Compiling proc-macro2 v1.0.78
[INFO] [stderr]    Compiling unicode-ident v1.0.12
[INFO] [stderr]    Compiling syn v1.0.109
[INFO] [stderr]    Compiling quote v1.0.35
[INFO] [stderr]    Compiling proc-macro-error-attr v1.0.4
[INFO] [stderr]    Compiling proc-macro-error v1.0.4
[INFO] [stderr]    Compiling ibuilder_derive v0.1.8 (/opt/rustwide/workdir)
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 3.30s
[INFO] running `Command { std: "docker" "inspect" "2de55734b93846a2a8ff0d0ac8bafd61bbc141d24da1cf7abc36f8d46b23bd43", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "2de55734b93846a2a8ff0d0ac8bafd61bbc141d24da1cf7abc36f8d46b23bd43", kill_on_drop: false }`
[INFO] [stdout] 2de55734b93846a2a8ff0d0ac8bafd61bbc141d24da1cf7abc36f8d46b23bd43
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-0-tc1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-0-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" "+1.76.0" "test" "--frozen" "--no-run" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] 2bdf4b8a5a7437d286a8fb8cd0607245e40e4f38d7625f3ff925da75ed18e8fa
[INFO] running `Command { std: "docker" "start" "-a" "2bdf4b8a5a7437d286a8fb8cd0607245e40e4f38d7625f3ff925da75ed18e8fa", kill_on_drop: false }`
[INFO] [stderr]    Compiling ibuilder_derive v0.1.8 (/opt/rustwide/workdir)
[INFO] [stderr]     Finished test [unoptimized + debuginfo] target(s) in 0.90s
[INFO] running `Command { std: "docker" "inspect" "2bdf4b8a5a7437d286a8fb8cd0607245e40e4f38d7625f3ff925da75ed18e8fa", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "2bdf4b8a5a7437d286a8fb8cd0607245e40e4f38d7625f3ff925da75ed18e8fa", kill_on_drop: false }`
[INFO] [stdout] 2bdf4b8a5a7437d286a8fb8cd0607245e40e4f38d7625f3ff925da75ed18e8fa
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-0-tc1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-0-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" "+1.76.0" "test" "--frozen", kill_on_drop: false }`
[INFO] [stdout] 1b54d53de2accb7457a62e580c9dec6d0f216600cee8e9b271cffbe3c575a655
[INFO] running `Command { std: "docker" "start" "-a" "1b54d53de2accb7457a62e580c9dec6d0f216600cee8e9b271cffbe3c575a655", 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-7999b632b61369fb)
[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 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 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 0.15s
[INFO] [stdout] 
[INFO] [stderr] error: doctest failed, to rerun pass `--doc`
[INFO] running `Command { std: "docker" "inspect" "1b54d53de2accb7457a62e580c9dec6d0f216600cee8e9b271cffbe3c575a655", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "1b54d53de2accb7457a62e580c9dec6d0f216600cee8e9b271cffbe3c575a655", kill_on_drop: false }`
[INFO] [stdout] 1b54d53de2accb7457a62e580c9dec6d0f216600cee8e9b271cffbe3c575a655
[INFO] testing ibuilder_derive-0.1.8 against beta-2024-02-10 for beta-1.77-1
[INFO] extracting crate ibuilder_derive 0.1.8 into /workspace/builds/worker-0-tc2/source
[INFO] validating manifest of crates.io crate ibuilder_derive 0.1.8 on toolchain beta-2024-02-10
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+beta-2024-02-10" "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-0-tc2/source/Cargo.toml
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+beta-2024-02-10" "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-2024-02-10" "fetch" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-0-tc2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-0-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-2024-02-10" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] 2e97a131be84e6b13a9ab052a9ed319f7a07f0a072bae9a21531a6a59593f973
[INFO] running `Command { std: "docker" "start" "-a" "2e97a131be84e6b13a9ab052a9ed319f7a07f0a072bae9a21531a6a59593f973", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "2e97a131be84e6b13a9ab052a9ed319f7a07f0a072bae9a21531a6a59593f973", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "2e97a131be84e6b13a9ab052a9ed319f7a07f0a072bae9a21531a6a59593f973", kill_on_drop: false }`
[INFO] [stdout] 2e97a131be84e6b13a9ab052a9ed319f7a07f0a072bae9a21531a6a59593f973
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-0-tc2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-0-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-2024-02-10" "build" "--frozen" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] aaa3ba6a80cc9dbb14d9bb6b18dd7458fdacba1107859438d2139fa73d483f2a
[INFO] running `Command { std: "docker" "start" "-a" "aaa3ba6a80cc9dbb14d9bb6b18dd7458fdacba1107859438d2139fa73d483f2a", kill_on_drop: false }`
[INFO] [stderr]    Compiling proc-macro2 v1.0.78
[INFO] [stderr]    Compiling unicode-ident v1.0.12
[INFO] [stderr]    Compiling syn v1.0.109
[INFO] [stderr]    Compiling quote v1.0.35
[INFO] [stderr]    Compiling proc-macro-error-attr v1.0.4
[INFO] [stderr]    Compiling proc-macro-error v1.0.4
[INFO] [stderr]    Compiling ibuilder_derive v0.1.8 (/opt/rustwide/workdir)
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 3.11s
[INFO] running `Command { std: "docker" "inspect" "aaa3ba6a80cc9dbb14d9bb6b18dd7458fdacba1107859438d2139fa73d483f2a", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "aaa3ba6a80cc9dbb14d9bb6b18dd7458fdacba1107859438d2139fa73d483f2a", kill_on_drop: false }`
[INFO] [stdout] aaa3ba6a80cc9dbb14d9bb6b18dd7458fdacba1107859438d2139fa73d483f2a
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-0-tc2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-0-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-2024-02-10" "test" "--frozen" "--no-run" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] f3c2ae2c30629d11ee8c854bfc6d88a5d8b59e643e66ec61e6427c0defcf0c44
[INFO] running `Command { std: "docker" "start" "-a" "f3c2ae2c30629d11ee8c854bfc6d88a5d8b59e643e66ec61e6427c0defcf0c44", kill_on_drop: false }`
[INFO] [stderr]    Compiling ibuilder_derive v0.1.8 (/opt/rustwide/workdir)
[INFO] [stderr]     Finished test [unoptimized + debuginfo] target(s) in 0.82s
[INFO] running `Command { std: "docker" "inspect" "f3c2ae2c30629d11ee8c854bfc6d88a5d8b59e643e66ec61e6427c0defcf0c44", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "f3c2ae2c30629d11ee8c854bfc6d88a5d8b59e643e66ec61e6427c0defcf0c44", kill_on_drop: false }`
[INFO] [stdout] f3c2ae2c30629d11ee8c854bfc6d88a5d8b59e643e66ec61e6427c0defcf0c44
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-0-tc2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-0-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-2024-02-10" "test" "--frozen", kill_on_drop: false }`
[INFO] [stdout] e6481bb778cbe84cdc8a05ddf7a8b3e6dae0e73f60421481e4e76b12f599a205
[INFO] running `Command { std: "docker" "start" "-a" "e6481bb778cbe84cdc8a05ddf7a8b3e6dae0e73f60421481e4e76b12f599a205", 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-d4142af67cbfb37c)
[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 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 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 0.21s
[INFO] [stdout] 
[INFO] [stderr] error: doctest failed, to rerun pass `--doc`
[INFO] running `Command { std: "docker" "inspect" "e6481bb778cbe84cdc8a05ddf7a8b3e6dae0e73f60421481e4e76b12f599a205", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "e6481bb778cbe84cdc8a05ddf7a8b3e6dae0e73f60421481e4e76b12f599a205", kill_on_drop: false }`
[INFO] [stdout] e6481bb778cbe84cdc8a05ddf7a8b3e6dae0e73f60421481e4e76b12f599a205
