[INFO] crate serde-diff-derive 0.3.0 is already in cache
[INFO] testing serde-diff-derive-0.3.0 against try#41997647ba6a77908f6ef64401414feb00bccf16 for pr-71274
[INFO] extracting crate serde-diff-derive 0.3.0 into /workspace/builds/worker-11/source
[INFO] validating manifest of crates.io crate serde-diff-derive 0.3.0 on toolchain 41997647ba6a77908f6ef64401414feb00bccf16
[INFO] running `"/workspace/cargo-home/bin/cargo" "+41997647ba6a77908f6ef64401414feb00bccf16" "read-manifest" "--manifest-path" "Cargo.toml"`
[INFO] started tweaking crates.io crate serde-diff-derive 0.3.0
[INFO] finished tweaking crates.io crate serde-diff-derive 0.3.0
[INFO] tweaked toml for crates.io crate serde-diff-derive 0.3.0 written to /workspace/builds/worker-11/source/Cargo.toml
[INFO] running `"/workspace/cargo-home/bin/cargo" "+41997647ba6a77908f6ef64401414feb00bccf16" "generate-lockfile" "--manifest-path" "Cargo.toml" "-Zno-index-update"`
[INFO] [stderr]     Blocking waiting for file lock on package cache
[INFO] running `"/workspace/cargo-home/bin/cargo" "+41997647ba6a77908f6ef64401414feb00bccf16" "fetch" "--locked" "--manifest-path" "Cargo.toml"`
[INFO] [stderr]     Blocking waiting for file lock on package cache
[INFO] running `"docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-11/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-11/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" "MAP_USER_ID=0" "-e" "CARGO_TARGET_DIR=/opt/rustwide/target" "-e" "CARGO_INCREMENTAL=0" "-e" "RUST_BACKTRACE=full" "-e" "RUSTFLAGS=--cap-lints=forbid" "-e" "CARGO_HOME=/opt/rustwide/cargo-home" "-e" "RUSTUP_HOME=/opt/rustwide/rustup-home" "-w" "/opt/rustwide/workdir" "-m" "1610612736" "--network" "none" "rustops/crates-build-env" "/opt/rustwide/cargo-home/bin/cargo" "+41997647ba6a77908f6ef64401414feb00bccf16" "build" "--frozen"`
[INFO] [stderr] WARNING: Your kernel does not support swap limit capabilities or the cgroup is not mounted. Memory limited without swap.
[INFO] [stdout] 0aea02c2a5dc955a921d912accee2acf73d1852e03b5329232ae4928bb780b2c
[INFO] running `"docker" "start" "-a" "0aea02c2a5dc955a921d912accee2acf73d1852e03b5329232ae4928bb780b2c"`
[INFO] [stderr]    Compiling syn v1.0.17
[INFO] [stderr]    Compiling fnv v1.0.6
[INFO] [stderr]    Compiling strsim v0.9.3
[INFO] [stderr]    Compiling ident_case v1.0.1
[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 v0.3.0 (/opt/rustwide/workdir)
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 29.13s
[INFO] running `"docker" "inspect" "0aea02c2a5dc955a921d912accee2acf73d1852e03b5329232ae4928bb780b2c"`
[INFO] running `"docker" "rm" "-f" "0aea02c2a5dc955a921d912accee2acf73d1852e03b5329232ae4928bb780b2c"`
[INFO] [stdout] 0aea02c2a5dc955a921d912accee2acf73d1852e03b5329232ae4928bb780b2c
[INFO] running `"docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-11/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-11/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" "MAP_USER_ID=0" "-e" "CARGO_TARGET_DIR=/opt/rustwide/target" "-e" "CARGO_INCREMENTAL=0" "-e" "RUST_BACKTRACE=full" "-e" "RUSTFLAGS=--cap-lints=forbid" "-e" "CARGO_HOME=/opt/rustwide/cargo-home" "-e" "RUSTUP_HOME=/opt/rustwide/rustup-home" "-w" "/opt/rustwide/workdir" "-m" "1610612736" "--network" "none" "rustops/crates-build-env" "/opt/rustwide/cargo-home/bin/cargo" "+41997647ba6a77908f6ef64401414feb00bccf16" "test" "--frozen" "--no-run"`
[INFO] [stderr] WARNING: Your kernel does not support swap limit capabilities or the cgroup is not mounted. Memory limited without swap.
[INFO] [stdout] 965b3d2520aa4f5d38a419ce55708cf41f4941b9b50de9101d4f705a22c38c75
[INFO] running `"docker" "start" "-a" "965b3d2520aa4f5d38a419ce55708cf41f4941b9b50de9101d4f705a22c38c75"`
[INFO] [stderr]    Compiling serde-diff-derive v0.3.0 (/opt/rustwide/workdir)
[INFO] [stderr]     Finished test [unoptimized + debuginfo] target(s) in 0.97s
[INFO] running `"docker" "inspect" "965b3d2520aa4f5d38a419ce55708cf41f4941b9b50de9101d4f705a22c38c75"`
[INFO] running `"docker" "rm" "-f" "965b3d2520aa4f5d38a419ce55708cf41f4941b9b50de9101d4f705a22c38c75"`
[INFO] [stdout] 965b3d2520aa4f5d38a419ce55708cf41f4941b9b50de9101d4f705a22c38c75
[INFO] running `"docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-11/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-11/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" "MAP_USER_ID=0" "-e" "CARGO_TARGET_DIR=/opt/rustwide/target" "-e" "CARGO_INCREMENTAL=0" "-e" "RUST_BACKTRACE=full" "-e" "RUSTFLAGS=--cap-lints=forbid" "-e" "CARGO_HOME=/opt/rustwide/cargo-home" "-e" "RUSTUP_HOME=/opt/rustwide/rustup-home" "-w" "/opt/rustwide/workdir" "-m" "1610612736" "--network" "none" "rustops/crates-build-env" "/opt/rustwide/cargo-home/bin/cargo" "+41997647ba6a77908f6ef64401414feb00bccf16" "test" "--frozen"`
[INFO] [stderr] WARNING: Your kernel does not support swap limit capabilities or the cgroup is not mounted. Memory limited without swap.
[INFO] [stdout] f213f2473a13f32f46f2b75eb7082c6cda008f5b97016be5541120b5c217b862
[INFO] running `"docker" "start" "-a" "f213f2473a13f32f46f2b75eb7082c6cda008f5b97016be5541120b5c217b862"`
[INFO] [stderr]     Finished test [unoptimized + debuginfo] target(s) in 0.04s
[INFO] [stderr]      Running /opt/rustwide/target/debug/deps/serde_diff_derive-8f7a7add0bfbb26b
[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
[INFO] [stdout] 
[INFO] [stderr]    Doc-tests serde_diff_derive
[INFO] [stdout] 
[INFO] [stdout] running 3 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] 
[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 undeclared type or module `serde_diff`
[INFO] [stdout] 
[INFO] [stdout] error: cannot determine resolution for the derive macro `SerdeDiff`
[INFO] [stdout]  --> src/lib.rs:11:10
[INFO] [stdout]   |
[INFO] [stdout] 5 | #[derive(SerdeDiff)]
[INFO] [stdout]   |          ^^^^^^^^^
[INFO] [stdout]   |
[INFO] [stdout]   = note: import resolution is stuck, try simplifying macro imports
[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 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 undeclared type or module `serde_diff`
[INFO] [stdout] 
[INFO] [stdout] error: cannot determine resolution for the derive macro `SerdeDiff`
[INFO] [stdout]  --> src/lib.rs:22:10
[INFO] [stdout]   |
[INFO] [stdout] 5 | #[derive(SerdeDiff, Serialize, Deserialize, PartialEq)]
[INFO] [stdout]   |          ^^^^^^^^^
[INFO] [stdout]   |
[INFO] [stdout]   = note: import resolution is stuck, try simplifying macro imports
[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] 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] 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 5 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] 3 | use serde_diff::SerdeDiff;
[INFO] [stdout]   |     ^^^^^^^^^^ use of undeclared type or module `serde_diff`
[INFO] [stdout] 
[INFO] [stdout] error: cannot determine resolution for the derive macro `SerdeDiff`
[INFO] [stdout]  --> src/lib.rs:31:10
[INFO] [stdout]   |
[INFO] [stdout] 5 | #[derive(SerdeDiff)]
[INFO] [stdout]   |          ^^^^^^^^^
[INFO] [stdout]   |
[INFO] [stdout]   = note: import resolution is stuck, try simplifying macro imports
[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 3 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 8)
[INFO] [stdout] 
[INFO] [stdout] test result: FAILED. 0 passed; 3 failed; 0 ignored; 0 measured; 0 filtered out
[INFO] [stdout] 
[INFO] [stderr] error: test failed, to rerun pass '--doc'
[INFO] running `"docker" "inspect" "f213f2473a13f32f46f2b75eb7082c6cda008f5b97016be5541120b5c217b862"`
[INFO] running `"docker" "rm" "-f" "f213f2473a13f32f46f2b75eb7082c6cda008f5b97016be5541120b5c217b862"`
[INFO] [stdout] f213f2473a13f32f46f2b75eb7082c6cda008f5b97016be5541120b5c217b862