[INFO] fetching crate serde-diff-derive 0.4.0...
[INFO] testing serde-diff-derive-0.4.0 against 1.99.0-beta.8 for beta-1.100-2
[INFO] extracting crate serde-diff-derive 0.4.0 into /workspace/builds/worker-0-tc1/source
[INFO] started tweaking crates.io crate serde-diff-derive 0.4.0
[INFO] finished tweaking crates.io crate serde-diff-derive 0.4.0
[INFO] tweaked toml for crates.io crate serde-diff-derive 0.4.0 written to /workspace/builds/worker-0-tc1/source/Cargo.toml
[INFO] validating manifest of crates.io crate serde-diff-derive 0.4.0 on toolchain 1.99.0-beta.8
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+1.99.0-beta.8" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }`
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+1.99.0-beta.8" "generate-lockfile" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] [stderr]     Updating crates.io index
[INFO] [stderr]      Locking 14 packages to highest compatible versions
[INFO] [stderr]       Adding darling v0.10.2 (available: v0.24.1)
[INFO] [stderr]       Adding syn v1.0.109 (available: v3.0.6)
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+1.99.0-beta.8" "fetch" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] [stderr]     Blocking waiting for file lock on package cache
[INFO] [stderr]     Blocking waiting for file lock on package cache
[INFO] [stderr]  Downloading crates ...
[INFO] [stderr]   Downloaded darling_macro v0.10.2
[INFO] [stderr]   Downloaded strsim v0.9.3
[INFO] [stderr]   Downloaded darling v0.10.2
[INFO] [stderr]   Downloaded darling_core v0.10.2
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-0-tc1/source:/opt/rustwide/workdir:ro,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-0-tc1/target:/opt/rustwide/target:rw,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" "-m" "1610612736" "--network" "none" "ghcr.io/rust-lang/crates-build-env/linux@sha256:3111399a4047eeb3a02b7a90e478d715f38a8c6669b5c4b49d30a17385265909" "sleep" "infinity", kill_on_drop: false }`
[INFO] [stdout] a68cfacb4b5b9bfdd46f300d675e1078721450f865155fd14d7e89d7b6fe9dbe
[INFO] running `Command { std: "docker" "start" "a68cfacb4b5b9bfdd46f300d675e1078721450f865155fd14d7e89d7b6fe9dbe", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "a68cfacb4b5b9bfdd46f300d675e1078721450f865155fd14d7e89d7b6fe9dbe", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "exec" "-e" "SOURCE_DIR=/opt/rustwide/workdir" "-e" "CARGO_HOME=/opt/rustwide/cargo-home" "-e" "RUSTUP_HOME=/opt/rustwide/rustup-home" "-e" "CARGO_TARGET_DIR=/opt/rustwide/target" "-w" "/opt/rustwide/workdir" "--user" "0:0" "a68cfacb4b5b9bfdd46f300d675e1078721450f865155fd14d7e89d7b6fe9dbe" "/opt/rustwide/cargo-home/bin/cargo" "+1.99.0-beta.8" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "a68cfacb4b5b9bfdd46f300d675e1078721450f865155fd14d7e89d7b6fe9dbe", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "exec" "-e" "SOURCE_DIR=/opt/rustwide/workdir" "-e" "CARGO_HOME=/opt/rustwide/cargo-home" "-e" "RUSTUP_HOME=/opt/rustwide/rustup-home" "-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" "-w" "/opt/rustwide/workdir" "--user" "0:0" "a68cfacb4b5b9bfdd46f300d675e1078721450f865155fd14d7e89d7b6fe9dbe" "/opt/rustwide/cargo-home/bin/cargo" "+1.99.0-beta.8" "build" "--frozen" "--message-format=json", kill_on_drop: false }`
[INFO] [stderr]    Compiling proc-macro2 v1.0.107
[INFO] [stderr]    Compiling unicode-ident v1.0.26
[INFO] [stderr]    Compiling syn v1.0.109
[INFO] [stderr]    Compiling strsim v0.9.3
[INFO] [stderr]    Compiling ident_case v1.0.1
[INFO] [stderr]    Compiling quote v1.0.47
[INFO] [stderr]    Compiling darling_core v0.10.2
[INFO] [stderr]    Compiling darling_macro v0.10.2
[INFO] [stderr]    Compiling darling v0.10.2
[INFO] [stderr]    Compiling serde-diff-derive v0.4.0 (/opt/rustwide/workdir)
[INFO] [stderr]     Finished `dev` profile [unoptimized + debuginfo] target(s) in 8.83s
[INFO] running `Command { std: "docker" "inspect" "a68cfacb4b5b9bfdd46f300d675e1078721450f865155fd14d7e89d7b6fe9dbe", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "exec" "-e" "SOURCE_DIR=/opt/rustwide/workdir" "-e" "CARGO_HOME=/opt/rustwide/cargo-home" "-e" "RUSTUP_HOME=/opt/rustwide/rustup-home" "-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" "-w" "/opt/rustwide/workdir" "--user" "0:0" "a68cfacb4b5b9bfdd46f300d675e1078721450f865155fd14d7e89d7b6fe9dbe" "/opt/rustwide/cargo-home/bin/cargo" "+1.99.0-beta.8" "test" "--frozen" "--no-run" "--message-format=json", kill_on_drop: false }`
[INFO] [stderr]    Compiling serde_core v1.0.229
[INFO] [stderr]    Compiling serde v1.0.229
[INFO] [stderr]    Compiling serde-diff-derive v0.4.0 (/opt/rustwide/workdir)
[INFO] [stderr]     Finished `test` profile [unoptimized + debuginfo] target(s) in 4.28s
[INFO] running `Command { std: "docker" "inspect" "a68cfacb4b5b9bfdd46f300d675e1078721450f865155fd14d7e89d7b6fe9dbe", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "exec" "-e" "SOURCE_DIR=/opt/rustwide/workdir" "-e" "CARGO_HOME=/opt/rustwide/cargo-home" "-e" "RUSTUP_HOME=/opt/rustwide/rustup-home" "-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" "-w" "/opt/rustwide/workdir" "--user" "0:0" "a68cfacb4b5b9bfdd46f300d675e1078721450f865155fd14d7e89d7b6fe9dbe" "/opt/rustwide/cargo-home/bin/cargo" "+1.99.0-beta.8" "test" "--frozen", kill_on_drop: false }`
[INFO] [stderr]     Finished `test` profile [unoptimized + debuginfo] target(s) in 0.06s
[INFO] [stderr]      Running unittests src/lib.rs (/opt/rustwide/target/debug/deps/serde_diff_derive-2b99ece447165036)
[INFO] [stderr]    Doc-tests serde_diff_derive
[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] [stdout] 
[INFO] [stdout] running 4 tests
[INFO] [stdout] test src/lib.rs - serde_diff_macro_derive (line 8) ... FAILED
[INFO] [stdout] test src/lib.rs - serde_diff_macro_derive (line 19) ... FAILED
[INFO] [stdout] test src/lib.rs - serde_diff_macro_derive (line 28) ... FAILED
[INFO] [stdout] test src/lib.rs - serde_diff_macro_derive (line 41) ... FAILED
[INFO] [stdout] 
[INFO] [stdout] failures:
[INFO] [stdout] 
[INFO] [stdout] ---- src/lib.rs - serde_diff_macro_derive (line 8) stdout ----
[INFO] [stdout] error[E0432]: unresolved import `serde_diff`
[INFO] [stdout]  --> src/lib.rs:9:5
[INFO] [stdout]   |
[INFO] [stdout] 9 | use serde_diff::SerdeDiff;
[INFO] [stdout]   |     ^^^^^^^^^^ use of unresolved module or unlinked crate `serde_diff`
[INFO] [stdout]   |
[INFO] [stdout] help: to make use of source file src/serde_diff/mod.rs, use `mod serde_diff` in this file to declare the module
[INFO] [stdout]   |
[INFO] [stdout] 8 + mod serde_diff;
[INFO] [stdout]   |
[INFO] [stdout] 
[INFO] [stdout] error: aborting due to 1 previous error
[INFO] [stdout] 
[INFO] [stdout] For more information about this error, try `rustc --explain E0432`.
[INFO] [stdout] Couldn't compile the test.
[INFO] [stdout] ---- src/lib.rs - serde_diff_macro_derive (line 19) stdout ----
[INFO] [stdout] error[E0432]: unresolved import `serde_diff`
[INFO] [stdout]   --> src/lib.rs:20:5
[INFO] [stdout]    |
[INFO] [stdout] 20 | use serde_diff::SerdeDiff;
[INFO] [stdout]    |     ^^^^^^^^^^ use of unresolved module or unlinked crate `serde_diff`
[INFO] [stdout]    |
[INFO] [stdout] help: to make use of source file src/serde_diff/mod.rs, use `mod serde_diff` in this file to declare the module
[INFO] [stdout]    |
[INFO] [stdout] 19 + mod serde_diff;
[INFO] [stdout]    |
[INFO] [stdout] 
[INFO] [stdout] error: cannot find derive macro `Serialize` in this scope
[INFO] [stdout]    --> src/lib.rs:22:21
[INFO] [stdout]     |
[INFO] [stdout]  22 | #[derive(SerdeDiff, Serialize, Deserialize, PartialEq)]
[INFO] [stdout]     |                     ^^^^^^^^^
[INFO] [stdout]     |
[INFO] [stdout] note: `Serialize` is a trait, not a derive macro
[INFO] [stdout]    --> /opt/rustwide/cargo-home/registry/src/index.crates.io-1949cf8c6b5b557f/serde_core-1.0.229/src/ser/mod.rs:234:1
[INFO] [stdout]     |
[INFO] [stdout] 234 | pub trait Serialize {
[INFO] [stdout]     | ^^^^^^^^^^^^^^^^^^^
[INFO] [stdout]     = help: consider implementing `Serialize` for your type manually
[INFO] [stdout] 
[INFO] [stdout] error: cannot find derive macro `Deserialize` in this scope
[INFO] [stdout]    --> src/lib.rs:22:32
[INFO] [stdout]     |
[INFO] [stdout]  22 | #[derive(SerdeDiff, Serialize, Deserialize, PartialEq)]
[INFO] [stdout]     |                                ^^^^^^^^^^^
[INFO] [stdout]     |
[INFO] [stdout] note: `Deserialize` is a trait, not a derive macro
[INFO] [stdout]    --> /opt/rustwide/cargo-home/registry/src/index.crates.io-1949cf8c6b5b557f/serde_core-1.0.229/src/de/mod.rs:554:1
[INFO] [stdout]     |
[INFO] [stdout] 554 | pub trait Deserialize<'de>: Sized {
[INFO] [stdout]     | ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout]     = help: consider implementing `Deserialize` for your type manually
[INFO] [stdout] 
[INFO] [stdout] error: cannot find attribute `serde_diff` in this scope
[INFO] [stdout]   --> src/lib.rs:23:3
[INFO] [stdout]    |
[INFO] [stdout] 23 | #[serde_diff(opaque)]
[INFO] [stdout]    |   ^^^^^^^^^^
[INFO] [stdout]    |
[INFO] [stdout]    = note: `serde_diff` is an attribute that can be used by the derive macro `SerdeDiff`, you might be missing a `derive` attribute
[INFO] [stdout] 
[INFO] [stdout] error: aborting due to 4 previous errors
[INFO] [stdout] 
[INFO] [stdout] For more information about this error, try `rustc --explain E0432`.
[INFO] [stdout] Couldn't compile the test.
[INFO] [stdout] ---- src/lib.rs - serde_diff_macro_derive (line 28) stdout ----
[INFO] [stdout] error[E0432]: unresolved import `serde_diff`
[INFO] [stdout]   --> src/lib.rs:29:5
[INFO] [stdout]    |
[INFO] [stdout] 29 | use serde_diff::SerdeDiff;
[INFO] [stdout]    |     ^^^^^^^^^^ use of unresolved module or unlinked crate `serde_diff`
[INFO] [stdout]    |
[INFO] [stdout] help: to make use of source file src/serde_diff/mod.rs, use `mod serde_diff` in this file to declare the module
[INFO] [stdout]    |
[INFO] [stdout] 28 + mod serde_diff;
[INFO] [stdout]    |
[INFO] [stdout] 
[INFO] [stdout] error: cannot find attribute `serde_diff` in this scope
[INFO] [stdout]   --> src/lib.rs:33:7
[INFO] [stdout]    |
[INFO] [stdout] 33 |     #[serde_diff(opaque)]
[INFO] [stdout]    |       ^^^^^^^^^^
[INFO] [stdout]    |
[INFO] [stdout]    = note: `serde_diff` is an attribute that can be used by the derive macro `SerdeDiff`, you might be missing a `derive` attribute
[INFO] [stdout] 
[INFO] [stdout] error: aborting due to 2 previous errors
[INFO] [stdout] 
[INFO] [stdout] For more information about this error, try `rustc --explain E0432`.
[INFO] [stdout] Couldn't compile the test.
[INFO] [stdout] ---- src/lib.rs - serde_diff_macro_derive (line 41) stdout ----
[INFO] [stdout] error[E0432]: unresolved import `serde_diff`
[INFO] [stdout]   --> src/lib.rs:42:5
[INFO] [stdout]    |
[INFO] [stdout] 42 | use serde_diff::SerdeDiff;
[INFO] [stdout]    |     ^^^^^^^^^^ use of unresolved module or unlinked crate `serde_diff`
[INFO] [stdout]    |
[INFO] [stdout] help: to make use of source file src/serde_diff/mod.rs, use `mod serde_diff` in this file to declare the module
[INFO] [stdout]    |
[INFO] [stdout] 41 + mod serde_diff;
[INFO] [stdout]    |
[INFO] [stdout] 
[INFO] [stdout] error: cannot find derive macro `Serialize` in this scope
[INFO] [stdout]    --> src/lib.rs:52:21
[INFO] [stdout]     |
[INFO] [stdout]  52 | #[derive(SerdeDiff, Serialize, Deserialize, Default)]
[INFO] [stdout]     |                     ^^^^^^^^^
[INFO] [stdout]     |
[INFO] [stdout] note: `Serialize` is a trait, not a derive macro
[INFO] [stdout]    --> /opt/rustwide/cargo-home/registry/src/index.crates.io-1949cf8c6b5b557f/serde_core-1.0.229/src/ser/mod.rs:234:1
[INFO] [stdout]     |
[INFO] [stdout] 234 | pub trait Serialize {
[INFO] [stdout]     | ^^^^^^^^^^^^^^^^^^^
[INFO] [stdout]     = help: consider implementing `Serialize` for your type manually
[INFO] [stdout] 
[INFO] [stdout] error: cannot find derive macro `Deserialize` in this scope
[INFO] [stdout]    --> src/lib.rs:52:32
[INFO] [stdout]     |
[INFO] [stdout]  52 | #[derive(SerdeDiff, Serialize, Deserialize, Default)]
[INFO] [stdout]     |                                ^^^^^^^^^^^
[INFO] [stdout]     |
[INFO] [stdout] note: `Deserialize` is a trait, not a derive macro
[INFO] [stdout]    --> /opt/rustwide/cargo-home/registry/src/index.crates.io-1949cf8c6b5b557f/serde_core-1.0.229/src/de/mod.rs:554:1
[INFO] [stdout]     |
[INFO] [stdout] 554 | pub trait Deserialize<'de>: Sized {
[INFO] [stdout]     | ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout]     = help: consider implementing `Deserialize` for your type manually
[INFO] [stdout] 
[INFO] [stdout] error: cannot find attribute `serde` in this scope
[INFO] [stdout]   --> src/lib.rs:53:3
[INFO] [stdout]    |
[INFO] [stdout] 53 | #[serde(rename = "MyComplexStruct", default)]
[INFO] [stdout]    |   ^^^^^
[INFO] [stdout]    |
[INFO] [stdout]    = note: `serde` is in scope, but it is a crate, not an attribute
[INFO] [stdout] 
[INFO] [stdout] error: cannot find derive macro `Serialize` in this scope
[INFO] [stdout]    --> src/lib.rs:44:21
[INFO] [stdout]     |
[INFO] [stdout]  44 | #[derive(SerdeDiff, Serialize, Deserialize, Clone)]
[INFO] [stdout]     |                     ^^^^^^^^^
[INFO] [stdout]     |
[INFO] [stdout] note: `Serialize` is a trait, not a derive macro
[INFO] [stdout]    --> /opt/rustwide/cargo-home/registry/src/index.crates.io-1949cf8c6b5b557f/serde_core-1.0.229/src/ser/mod.rs:234:1
[INFO] [stdout]     |
[INFO] [stdout] 234 | pub trait Serialize {
[INFO] [stdout]     | ^^^^^^^^^^^^^^^^^^^
[INFO] [stdout]     = help: consider implementing `Serialize` for your type manually
[INFO] [stdout] 
[INFO] [stdout] error: cannot find derive macro `Deserialize` in this scope
[INFO] [stdout]    --> src/lib.rs:44:32
[INFO] [stdout]     |
[INFO] [stdout]  44 | #[derive(SerdeDiff, Serialize, Deserialize, Clone)]
[INFO] [stdout]     |                                ^^^^^^^^^^^
[INFO] [stdout]     |
[INFO] [stdout] note: `Deserialize` is a trait, not a derive macro
[INFO] [stdout]    --> /opt/rustwide/cargo-home/registry/src/index.crates.io-1949cf8c6b5b557f/serde_core-1.0.229/src/de/mod.rs:554:1
[INFO] [stdout]     |
[INFO] [stdout] 554 | pub trait Deserialize<'de>: Sized {
[INFO] [stdout]     | ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout]     = help: consider implementing `Deserialize` for your type manually
[INFO] [stdout] 
[INFO] [stdout] error: cannot find attribute `serde` in this scope
[INFO] [stdout]   --> src/lib.rs:45:3
[INFO] [stdout]    |
[INFO] [stdout] 45 | #[serde(from = "MySimpleStruct", into = "MySimpleStruct")]
[INFO] [stdout]    |   ^^^^^
[INFO] [stdout]    |
[INFO] [stdout]    = note: `serde` is in scope, but it is a crate, not an attribute
[INFO] [stdout] 
[INFO] [stdout] error: cannot find attribute `serde_diff` in this scope
[INFO] [stdout]   --> src/lib.rs:46:3
[INFO] [stdout]    |
[INFO] [stdout] 46 | #[serde_diff(target = "MySimpleStruct")]
[INFO] [stdout]    |   ^^^^^^^^^^
[INFO] [stdout]    |
[INFO] [stdout]    = note: `serde_diff` is an attribute that can be used by the derive macro `SerdeDiff`, you might be missing a `derive` attribute
[INFO] [stdout] 
[INFO] [stdout] error: aborting due to 8 previous errors
[INFO] [stdout] 
[INFO] [stdout] For more information about this error, try `rustc --explain E0432`.
[INFO] [stdout] Couldn't compile the test.
[INFO] [stdout] 
[INFO] [stdout] failures:
[INFO] [stdout]     src/lib.rs - serde_diff_macro_derive (line 19)
[INFO] [stdout]     src/lib.rs - serde_diff_macro_derive (line 28)
[INFO] [stdout]     src/lib.rs - serde_diff_macro_derive (line 41)
[INFO] [stdout]     src/lib.rs - serde_diff_macro_derive (line 8)
[INFO] [stdout] 
[INFO] [stdout] test result: FAILED. 0 passed; 4 failed; 0 ignored; 0 measured; 0 filtered out; finished in 0.31s
[INFO] [stdout] 
[INFO] [stderr] error: doctest failed, to rerun pass `--doc`
[INFO] running `Command { std: "docker" "inspect" "a68cfacb4b5b9bfdd46f300d675e1078721450f865155fd14d7e89d7b6fe9dbe", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "a68cfacb4b5b9bfdd46f300d675e1078721450f865155fd14d7e89d7b6fe9dbe", kill_on_drop: false }`
[INFO] [stdout] a68cfacb4b5b9bfdd46f300d675e1078721450f865155fd14d7e89d7b6fe9dbe
