[INFO] fetching crate serde-diff-derive 0.4.0...
[INFO] testing serde-diff-derive-0.4.0 against master#733b47ea4b1b86216f14ef56e49440c33933f230+rustflags=-Copt-level=3 for pr-138759
[INFO] extracting crate serde-diff-derive 0.4.0 into /workspace/builds/worker-6-tc2/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-6-tc2/source/Cargo.toml
[INFO] validating manifest of crates.io crate serde-diff-derive 0.4.0 on toolchain 733b47ea4b1b86216f14ef56e49440c33933f230
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+733b47ea4b1b86216f14ef56e49440c33933f230" "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" "+733b47ea4b1b86216f14ef56e49440c33933f230" "generate-lockfile" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] [stderr]     Updating crates.io index
[INFO] [stderr]      Locking 14 packages to latest compatible versions
[INFO] [stderr]       Adding darling v0.10.2 (available: v0.21.3)
[INFO] [stderr]       Adding syn v1.0.109 (available: v2.0.106)
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+733b47ea4b1b86216f14ef56e49440c33933f230" "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:e90291280db7d1fac5b66fc6dad9f9662629e7365a55743daf9bdf73ebc4ea79" "/opt/rustwide/cargo-home/bin/cargo" "+733b47ea4b1b86216f14ef56e49440c33933f230" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] 398a64c82424367879f1b29a2aeeef61ac9f621ee66d1121207607030e2633f1
[INFO] running `Command { std: "docker" "start" "-a" "398a64c82424367879f1b29a2aeeef61ac9f621ee66d1121207607030e2633f1", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "398a64c82424367879f1b29a2aeeef61ac9f621ee66d1121207607030e2633f1", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "398a64c82424367879f1b29a2aeeef61ac9f621ee66d1121207607030e2633f1", kill_on_drop: false }`
[INFO] [stdout] 398a64c82424367879f1b29a2aeeef61ac9f621ee66d1121207607030e2633f1
[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=forbid -Copt-level=3" "-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:e90291280db7d1fac5b66fc6dad9f9662629e7365a55743daf9bdf73ebc4ea79" "/opt/rustwide/cargo-home/bin/cargo" "+733b47ea4b1b86216f14ef56e49440c33933f230" "build" "--frozen" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] dc039c02e6b4ef0ee4f544f5e3cc15bebf1e611d57fe9b05c30079b72cfcf9b7
[INFO] running `Command { std: "docker" "start" "-a" "dc039c02e6b4ef0ee4f544f5e3cc15bebf1e611d57fe9b05c30079b72cfcf9b7", kill_on_drop: false }`
[INFO] [stderr]    Compiling syn v1.0.109
[INFO] [stderr]    Compiling strsim v0.9.3
[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 38.33s
[INFO] running `Command { std: "docker" "inspect" "dc039c02e6b4ef0ee4f544f5e3cc15bebf1e611d57fe9b05c30079b72cfcf9b7", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "dc039c02e6b4ef0ee4f544f5e3cc15bebf1e611d57fe9b05c30079b72cfcf9b7", kill_on_drop: false }`
[INFO] [stdout] dc039c02e6b4ef0ee4f544f5e3cc15bebf1e611d57fe9b05c30079b72cfcf9b7
[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=forbid -Copt-level=3" "-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:e90291280db7d1fac5b66fc6dad9f9662629e7365a55743daf9bdf73ebc4ea79" "/opt/rustwide/cargo-home/bin/cargo" "+733b47ea4b1b86216f14ef56e49440c33933f230" "test" "--frozen" "--no-run" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] d60df2a9479274714556e119a1015810dc81e1ef4785a03c0fa6a5caff71b41c
[INFO] running `Command { std: "docker" "start" "-a" "d60df2a9479274714556e119a1015810dc81e1ef4785a03c0fa6a5caff71b41c", kill_on_drop: false }`
[INFO] [stderr]    Compiling serde_core v1.0.228
[INFO] [stderr]    Compiling serde v1.0.228
[INFO] [stderr]    Compiling serde-diff-derive v0.4.0 (/opt/rustwide/workdir)
[INFO] [stderr]     Finished `test` profile [unoptimized + debuginfo] target(s) in 6.68s
[INFO] running `Command { std: "docker" "inspect" "d60df2a9479274714556e119a1015810dc81e1ef4785a03c0fa6a5caff71b41c", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "d60df2a9479274714556e119a1015810dc81e1ef4785a03c0fa6a5caff71b41c", kill_on_drop: false }`
[INFO] [stdout] d60df2a9479274714556e119a1015810dc81e1ef4785a03c0fa6a5caff71b41c
[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=forbid -Copt-level=3" "-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:e90291280db7d1fac5b66fc6dad9f9662629e7365a55743daf9bdf73ebc4ea79" "/opt/rustwide/cargo-home/bin/cargo" "+733b47ea4b1b86216f14ef56e49440c33933f230" "test" "--frozen", kill_on_drop: false }`
[INFO] [stdout] 6bf2a5ca7298b0a4c86952c1fed9d99e16d915172087d71b5dbada89e1c6101a
[INFO] running `Command { std: "docker" "start" "-a" "6bf2a5ca7298b0a4c86952c1fed9d99e16d915172087d71b5dbada89e1c6101a", kill_on_drop: false }`
[INFO] [stderr]     Finished `test` profile [unoptimized + debuginfo] target(s) in 0.03s
[INFO] [stderr]      Running unittests src/lib.rs (/opt/rustwide/target/debug/deps/serde_diff_derive-00e98cfafedc8029)
[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 serde_diff_derive
[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 28) ... FAILED
[INFO] [stdout] test src/lib.rs - serde_diff_macro_derive (line 41) ... FAILED
[INFO] [stdout] test src/lib.rs - serde_diff_macro_derive (line 19) ... 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] 3 | 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] 2 + 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 28) stdout ----
[INFO] [stdout] error[E0432]: unresolved import `serde_diff`
[INFO] [stdout]  --> src/lib.rs:29:5
[INFO] [stdout]   |
[INFO] [stdout] 3 | 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] 2 + 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] 7 |     #[serde_diff(opaque)]
[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 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] 3 | 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] 2 + 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] 13 | #[derive(SerdeDiff, Serialize, Deserialize, Default)]
[INFO] [stdout]    |                     ^^^^^^^^^
[INFO] [stdout]    |
[INFO] [stdout] note: `Serialize` is imported here, but it is only a trait, without a derive macro
[INFO] [stdout]   --> src/lib.rs:43:13
[INFO] [stdout]    |
[INFO] [stdout] 4  | use serde::{Serialize, Deserialize};
[INFO] [stdout]    |             ^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] error: cannot find derive macro `Deserialize` in this scope
[INFO] [stdout]   --> src/lib.rs:52:32
[INFO] [stdout]    |
[INFO] [stdout] 13 | #[derive(SerdeDiff, Serialize, Deserialize, Default)]
[INFO] [stdout]    |                                ^^^^^^^^^^^
[INFO] [stdout]    |
[INFO] [stdout] note: `Deserialize` is imported here, but it is only a trait, without a derive macro
[INFO] [stdout]   --> src/lib.rs:43:24
[INFO] [stdout]    |
[INFO] [stdout] 4  | use serde::{Serialize, Deserialize};
[INFO] [stdout]    |                        ^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] error: cannot find attribute `serde` in this scope
[INFO] [stdout]   --> src/lib.rs:53:3
[INFO] [stdout]    |
[INFO] [stdout] 14 | #[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] 5 | #[derive(SerdeDiff, Serialize, Deserialize, Clone)]
[INFO] [stdout]   |                     ^^^^^^^^^
[INFO] [stdout]   |
[INFO] [stdout] note: `Serialize` is imported here, but it is only a trait, without a derive macro
[INFO] [stdout]  --> src/lib.rs:43:13
[INFO] [stdout]   |
[INFO] [stdout] 4 | use serde::{Serialize, Deserialize};
[INFO] [stdout]   |             ^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] error: cannot find derive macro `Deserialize` in this scope
[INFO] [stdout]  --> src/lib.rs:44:32
[INFO] [stdout]   |
[INFO] [stdout] 5 | #[derive(SerdeDiff, Serialize, Deserialize, Clone)]
[INFO] [stdout]   |                                ^^^^^^^^^^^
[INFO] [stdout]   |
[INFO] [stdout] note: `Deserialize` is imported here, but it is only a trait, without a derive macro
[INFO] [stdout]  --> src/lib.rs:43:24
[INFO] [stdout]   |
[INFO] [stdout] 4 | use serde::{Serialize, Deserialize};
[INFO] [stdout]   |                        ^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] error: cannot find attribute `serde` in this scope
[INFO] [stdout]  --> src/lib.rs:45:3
[INFO] [stdout]   |
[INFO] [stdout] 6 | #[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] 7 | #[serde_diff(target = "MySimpleStruct")]
[INFO] [stdout]   |   ^^^^^^^^^^
[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] ---- 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] 3 | 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] 2 + 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] 5 | #[derive(SerdeDiff, Serialize, Deserialize, PartialEq)]
[INFO] [stdout]   |                     ^^^^^^^^^
[INFO] [stdout]   |
[INFO] [stdout] note: `Serialize` is imported here, but it is only a trait, without a derive macro
[INFO] [stdout]  --> src/lib.rs:21:13
[INFO] [stdout]   |
[INFO] [stdout] 4 | use serde::{Serialize, Deserialize};
[INFO] [stdout]   |             ^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] error: cannot find derive macro `Deserialize` in this scope
[INFO] [stdout]  --> src/lib.rs:22:32
[INFO] [stdout]   |
[INFO] [stdout] 5 | #[derive(SerdeDiff, Serialize, Deserialize, PartialEq)]
[INFO] [stdout]   |                                ^^^^^^^^^^^
[INFO] [stdout]   |
[INFO] [stdout] note: `Deserialize` is imported here, but it is only a trait, without a derive macro
[INFO] [stdout]  --> src/lib.rs:21:24
[INFO] [stdout]   |
[INFO] [stdout] 4 | use serde::{Serialize, Deserialize};
[INFO] [stdout]   |                        ^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] error: cannot find attribute `serde_diff` in this scope
[INFO] [stdout]  --> src/lib.rs:23:3
[INFO] [stdout]   |
[INFO] [stdout] 6 | #[serde_diff(opaque)]
[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 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 0.16s
[INFO] [stdout] 
[INFO] [stderr] error: doctest failed, to rerun pass `--doc`
[INFO] running `Command { std: "docker" "inspect" "6bf2a5ca7298b0a4c86952c1fed9d99e16d915172087d71b5dbada89e1c6101a", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "6bf2a5ca7298b0a4c86952c1fed9d99e16d915172087d71b5dbada89e1c6101a", kill_on_drop: false }`
[INFO] [stdout] 6bf2a5ca7298b0a4c86952c1fed9d99e16d915172087d71b5dbada89e1c6101a
