[INFO] fetching crate nullable_struct 0.1.0...
[INFO] testing nullable_struct-0.1.0 against master#0d162b25edd5bf0dba9a22e83b614f1113e90474 for pr-150681
[INFO] extracting crate nullable_struct 0.1.0 into /workspace/builds/worker-4-tc1/source
[INFO] started tweaking crates.io crate nullable_struct 0.1.0
[INFO] finished tweaking crates.io crate nullable_struct 0.1.0
[INFO] tweaked toml for crates.io crate nullable_struct 0.1.0 written to /workspace/builds/worker-4-tc1/source/Cargo.toml
[INFO] validating manifest of crates.io crate nullable_struct 0.1.0 on toolchain 0d162b25edd5bf0dba9a22e83b614f1113e90474
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+0d162b25edd5bf0dba9a22e83b614f1113e90474" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }`
[INFO] crate crates.io crate nullable_struct 0.1.0 already has a lockfile, it will not be regenerated
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+0d162b25edd5bf0dba9a22e83b614f1113e90474" "fetch" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-4-tc1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-4-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@sha256:845e597a41426bbf2703be69acdb67d10b6de511142d05cba7bbe119c898b2c7" "/opt/rustwide/cargo-home/bin/cargo" "+0d162b25edd5bf0dba9a22e83b614f1113e90474" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] 94ceb3658f1c057a4faa871fb21d35235780702587a4645c6d02e3b44ad8cbaa
[INFO] running `Command { std: "docker" "start" "-a" "94ceb3658f1c057a4faa871fb21d35235780702587a4645c6d02e3b44ad8cbaa", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "94ceb3658f1c057a4faa871fb21d35235780702587a4645c6d02e3b44ad8cbaa", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "94ceb3658f1c057a4faa871fb21d35235780702587a4645c6d02e3b44ad8cbaa", kill_on_drop: false }`
[INFO] [stdout] 94ceb3658f1c057a4faa871fb21d35235780702587a4645c6d02e3b44ad8cbaa
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-4-tc1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-4-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=forbid" "-e" "RUSTDOCFLAGS=--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@sha256:845e597a41426bbf2703be69acdb67d10b6de511142d05cba7bbe119c898b2c7" "/opt/rustwide/cargo-home/bin/cargo" "+0d162b25edd5bf0dba9a22e83b614f1113e90474" "build" "--frozen" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] 4ee3429936aade028f6279a51a3de6235dfed575ddd9bcd77ca1f8bbcc904ae3
[INFO] running `Command { std: "docker" "start" "-a" "4ee3429936aade028f6279a51a3de6235dfed575ddd9bcd77ca1f8bbcc904ae3", kill_on_drop: false }`
[INFO] [stderr]    Compiling proc-macro2 v1.0.66
[INFO] [stderr]    Compiling unicode-ident v1.0.11
[INFO] [stderr]    Compiling syn v1.0.109
[INFO] [stderr]    Compiling quote v1.0.33
[INFO] [stderr]    Compiling nullable_struct v0.1.0 (/opt/rustwide/workdir)
[INFO] [stderr]     Finished `dev` profile [unoptimized + debuginfo] target(s) in 4.37s
[INFO] running `Command { std: "docker" "inspect" "4ee3429936aade028f6279a51a3de6235dfed575ddd9bcd77ca1f8bbcc904ae3", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "4ee3429936aade028f6279a51a3de6235dfed575ddd9bcd77ca1f8bbcc904ae3", kill_on_drop: false }`
[INFO] [stdout] 4ee3429936aade028f6279a51a3de6235dfed575ddd9bcd77ca1f8bbcc904ae3
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-4-tc1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-4-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=forbid" "-e" "RUSTDOCFLAGS=--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@sha256:845e597a41426bbf2703be69acdb67d10b6de511142d05cba7bbe119c898b2c7" "/opt/rustwide/cargo-home/bin/cargo" "+0d162b25edd5bf0dba9a22e83b614f1113e90474" "test" "--frozen" "--no-run" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] 15e408a61a4ddd6584327491bf08c5ddc080cd6ba5cae50ee7518f3ec63afd36
[INFO] running `Command { std: "docker" "start" "-a" "15e408a61a4ddd6584327491bf08c5ddc080cd6ba5cae50ee7518f3ec63afd36", kill_on_drop: false }`
[INFO] [stderr]    Compiling proc-macro2 v1.0.66
[INFO] [stderr]    Compiling unicode-ident v1.0.11
[INFO] [stderr]    Compiling syn v1.0.109
[INFO] [stderr]    Compiling quote v1.0.33
[INFO] [stderr]    Compiling nullable_struct v0.1.0 (/opt/rustwide/workdir)
[INFO] [stdout] warning: struct `MyStruct` is never constructed
[INFO] [stdout]  --> examples/complete.rs:4:8
[INFO] [stdout]   |
[INFO] [stdout] 4 | struct MyStruct {
[INFO] [stdout]   |        ^^^^^^^^
[INFO] [stdout]   |
[INFO] [stdout]   = note: `#[warn(dead_code)]` (part of `#[warn(unused)]`) on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: struct `TestStruct` is never constructed
[INFO] [stdout]  --> tests/complete.rs:5:8
[INFO] [stdout]   |
[INFO] [stdout] 5 | struct TestStruct {
[INFO] [stdout]   |        ^^^^^^^^^^
[INFO] [stdout]   |
[INFO] [stdout]   = note: `#[warn(dead_code)]` (part of `#[warn(unused)]`) on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr]     Finished `test` profile [unoptimized + debuginfo] target(s) in 5.14s
[INFO] running `Command { std: "docker" "inspect" "15e408a61a4ddd6584327491bf08c5ddc080cd6ba5cae50ee7518f3ec63afd36", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "15e408a61a4ddd6584327491bf08c5ddc080cd6ba5cae50ee7518f3ec63afd36", kill_on_drop: false }`
[INFO] [stdout] 15e408a61a4ddd6584327491bf08c5ddc080cd6ba5cae50ee7518f3ec63afd36
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-4-tc1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-4-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=forbid" "-e" "RUSTDOCFLAGS=--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@sha256:845e597a41426bbf2703be69acdb67d10b6de511142d05cba7bbe119c898b2c7" "/opt/rustwide/cargo-home/bin/cargo" "+0d162b25edd5bf0dba9a22e83b614f1113e90474" "test" "--frozen", kill_on_drop: false }`
[INFO] [stdout] 0ac06b217056ea4be8259b8a928447dd2a13e94ddd4470991ef347fecd67d7e6
[INFO] running `Command { std: "docker" "start" "-a" "0ac06b217056ea4be8259b8a928447dd2a13e94ddd4470991ef347fecd67d7e6", kill_on_drop: false }`
[INFO] [stderr] warning: struct `MyStruct` is never constructed
[INFO] [stderr]  --> examples/complete.rs:4:8
[INFO] [stderr]   |
[INFO] [stderr] 4 | struct MyStruct {
[INFO] [stderr]   |        ^^^^^^^^
[INFO] [stderr]   |
[INFO] [stderr]   = note: `#[warn(dead_code)]` (part of `#[warn(unused)]`) on by default
[INFO] [stderr] 
[INFO] [stderr] warning: struct `TestStruct` is never constructed
[INFO] [stderr]  --> tests/complete.rs:5:8
[INFO] [stderr]   |
[INFO] [stderr] 5 | struct TestStruct {
[INFO] [stderr]   |        ^^^^^^^^^^
[INFO] [stderr]   |
[INFO] [stderr]   = note: `#[warn(dead_code)]` (part of `#[warn(unused)]`) on by default
[INFO] [stderr] 
[INFO] [stderr] warning: `nullable_struct` (example "complete") generated 1 warning
[INFO] [stderr] warning: `nullable_struct` (test "complete") generated 1 warning
[INFO] [stderr]     Finished `test` profile [unoptimized + debuginfo] target(s) in 0.03s
[INFO] [stderr]      Running unittests src/lib.rs (/opt/rustwide/target/debug/deps/nullable_struct-089df84a8536de6b)
[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]      Running tests/complete.rs (/opt/rustwide/target/debug/deps/complete-3861720162aea8da)
[INFO] [stdout] 
[INFO] [stdout] running 5 tests
[INFO] [stdout] test test_getters ... ok
[INFO] [stdout] test test_new ... ok
[INFO] [stdout] test test_setters ... ok
[INFO] [stdout] test test_new_default ... ok
[INFO] [stdout] test test_default ... ok
[INFO] [stdout] 
[INFO] [stdout] test result: ok. 5 passed; 0 failed; 0 ignored; 0 measured; 0 filtered out; finished in 0.01s
[INFO] [stdout] 
[INFO] [stderr]    Doc-tests nullable_struct
[INFO] [stdout] 
[INFO] [stdout] running 1 test
[INFO] [stdout] test src/lib.rs - (line 9) ... FAILED
[INFO] [stdout] 
[INFO] [stdout] failures:
[INFO] [stdout] 
[INFO] [stdout] ---- src/lib.rs - (line 9) stdout ----
[INFO] [stdout] error[E0432]: unresolved import `your_crate_name`
[INFO] [stdout]   --> src/lib.rs:10:5
[INFO] [stdout]    |
[INFO] [stdout] 10 | use your_crate_name::Nullable;
[INFO] [stdout]    |     ^^^^^^^^^^^^^^^ use of unresolved module or unlinked crate `your_crate_name`
[INFO] [stdout]    |
[INFO] [stdout]    = help: if you wanted to use a crate named `your_crate_name`, use `cargo add your_crate_name` to add it to your `Cargo.toml`
[INFO] [stdout] 
[INFO] [stdout] error[E0425]: cannot find value `instance` in this scope
[INFO] [stdout]   --> src/lib.rs:22:12
[INFO] [stdout]    |
[INFO] [stdout] 22 | assert_eq!(instance.field1(), 42);
[INFO] [stdout]    |            ^^^^^^^^ not found in this scope
[INFO] [stdout] 
[INFO] [stdout] error[E0425]: cannot find value `instance` in this scope
[INFO] [stdout]   --> src/lib.rs:23:12
[INFO] [stdout]    |
[INFO] [stdout] 23 | assert_eq!(instance.field2(), "Hello, World!".to_string());
[INFO] [stdout]    |            ^^^^^^^^ not found in this scope
[INFO] [stdout] 
[INFO] [stdout] error[E0433]: failed to resolve: use of undeclared type `NullableTestStruct`
[INFO] [stdout]   --> src/lib.rs:18:9
[INFO] [stdout]    |
[INFO] [stdout] 18 | let s = NullableTestStruct::new(42, "hello".to_string());
[INFO] [stdout]    |         ^^^^^^^^^^^^^^^^^^ use of undeclared type `NullableTestStruct`
[INFO] [stdout] 
[INFO] [stdout] error: aborting due to 4 previous errors
[INFO] [stdout] 
[INFO] [stdout] Some errors have detailed explanations: E0425, E0432, E0433.
[INFO] [stdout] For more information about an error, try `rustc --explain E0425`.
[INFO] [stdout] Couldn't compile the test.
[INFO] [stdout] 
[INFO] [stdout] failures:
[INFO] [stdout]     src/lib.rs - (line 9)
[INFO] [stdout] 
[INFO] [stdout] test result: FAILED. 0 passed; 1 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" "0ac06b217056ea4be8259b8a928447dd2a13e94ddd4470991ef347fecd67d7e6", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "0ac06b217056ea4be8259b8a928447dd2a13e94ddd4470991ef347fecd67d7e6", kill_on_drop: false }`
[INFO] [stdout] 0ac06b217056ea4be8259b8a928447dd2a13e94ddd4470991ef347fecd67d7e6
