[INFO] fetching crate serde-diff-derive 0.3.1...
[INFO] testing serde-diff-derive-0.3.1 against 1.47.0 for beta-1.48-1
[INFO] extracting crate serde-diff-derive 0.3.1 into /workspace/builds/worker-4/source
[INFO] validating manifest of crates.io crate serde-diff-derive 0.3.1 on toolchain 1.47.0
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+1.47.0" "read-manifest" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] started tweaking crates.io crate serde-diff-derive 0.3.1
[INFO] finished tweaking crates.io crate serde-diff-derive 0.3.1
[INFO] tweaked toml for crates.io crate serde-diff-derive 0.3.1 written to /workspace/builds/worker-4/source/Cargo.toml
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+1.47.0" "generate-lockfile" "--manifest-path" "Cargo.toml" "-Zno-index-update", kill_on_drop: false }`
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+1.47.0" "fetch" "--locked" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] [stderr]     Blocking waiting for file lock on package cache
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-4/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-4/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" "rustops/crates-build-env@sha256:d92eaeed33fa75130ca1ee6c8a01d1ffb62bac859dfdfb3450e3e5d1c0146529" "/opt/rustwide/cargo-home/bin/cargo" "+1.47.0" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] 383240fffa7b34e7b24fc4c2274ae14eb4ed1cd5aaa5398a72aac5a2ad7c983a
[INFO] [stderr] WARNING: Your kernel does not support swap limit capabilities or the cgroup is not mounted. Memory limited without swap.
[INFO] running `Command { std: "docker" "start" "-a" "383240fffa7b34e7b24fc4c2274ae14eb4ed1cd5aaa5398a72aac5a2ad7c983a", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "383240fffa7b34e7b24fc4c2274ae14eb4ed1cd5aaa5398a72aac5a2ad7c983a", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "383240fffa7b34e7b24fc4c2274ae14eb4ed1cd5aaa5398a72aac5a2ad7c983a", kill_on_drop: false }`
[INFO] [stdout] 383240fffa7b34e7b24fc4c2274ae14eb4ed1cd5aaa5398a72aac5a2ad7c983a
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-4/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-4/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" "CARGO_HOME=/opt/rustwide/cargo-home" "-e" "RUSTUP_HOME=/opt/rustwide/rustup-home" "-w" "/opt/rustwide/workdir" "-m" "1610612736" "--user" "0:0" "--network" "none" "rustops/crates-build-env@sha256:d92eaeed33fa75130ca1ee6c8a01d1ffb62bac859dfdfb3450e3e5d1c0146529" "/opt/rustwide/cargo-home/bin/cargo" "+1.47.0" "build" "--frozen" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] 5b4ee33060dcee04278d0d2bbafc04b782fd0b4be0499287bb249c98b1d9a441
[INFO] [stderr] WARNING: Your kernel does not support swap limit capabilities or the cgroup is not mounted. Memory limited without swap.
[INFO] running `Command { std: "docker" "start" "-a" "5b4ee33060dcee04278d0d2bbafc04b782fd0b4be0499287bb249c98b1d9a441", kill_on_drop: false }`
[INFO] [stderr]    Compiling syn v1.0.44
[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 v0.3.1 (/opt/rustwide/workdir)
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 23.52s
[INFO] running `Command { std: "docker" "inspect" "5b4ee33060dcee04278d0d2bbafc04b782fd0b4be0499287bb249c98b1d9a441", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "5b4ee33060dcee04278d0d2bbafc04b782fd0b4be0499287bb249c98b1d9a441", kill_on_drop: false }`
[INFO] [stdout] 5b4ee33060dcee04278d0d2bbafc04b782fd0b4be0499287bb249c98b1d9a441
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-4/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-4/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" "CARGO_HOME=/opt/rustwide/cargo-home" "-e" "RUSTUP_HOME=/opt/rustwide/rustup-home" "-w" "/opt/rustwide/workdir" "-m" "1610612736" "--user" "0:0" "--network" "none" "rustops/crates-build-env@sha256:d92eaeed33fa75130ca1ee6c8a01d1ffb62bac859dfdfb3450e3e5d1c0146529" "/opt/rustwide/cargo-home/bin/cargo" "+1.47.0" "test" "--frozen" "--no-run" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] dff92590a4045a7e8b53bb488316e538c86d7a548808db198132d71e047200e1
[INFO] [stderr] WARNING: Your kernel does not support swap limit capabilities or the cgroup is not mounted. Memory limited without swap.
[INFO] running `Command { std: "docker" "start" "-a" "dff92590a4045a7e8b53bb488316e538c86d7a548808db198132d71e047200e1", kill_on_drop: false }`
[INFO] [stderr]    Compiling serde-diff-derive v0.3.1 (/opt/rustwide/workdir)
[INFO] [stderr]     Finished test [unoptimized + debuginfo] target(s) in 0.95s
[INFO] running `Command { std: "docker" "inspect" "dff92590a4045a7e8b53bb488316e538c86d7a548808db198132d71e047200e1", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "dff92590a4045a7e8b53bb488316e538c86d7a548808db198132d71e047200e1", kill_on_drop: false }`
[INFO] [stdout] dff92590a4045a7e8b53bb488316e538c86d7a548808db198132d71e047200e1
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-4/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-4/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" "CARGO_HOME=/opt/rustwide/cargo-home" "-e" "RUSTUP_HOME=/opt/rustwide/rustup-home" "-w" "/opt/rustwide/workdir" "-m" "1610612736" "--user" "0:0" "--network" "none" "rustops/crates-build-env@sha256:d92eaeed33fa75130ca1ee6c8a01d1ffb62bac859dfdfb3450e3e5d1c0146529" "/opt/rustwide/cargo-home/bin/cargo" "+1.47.0" "test" "--frozen", kill_on_drop: false }`
[INFO] [stdout] 9dfbadd62cda8f6624c5586346c743be2fb0403064e5c78602e2648208142fa2
[INFO] [stderr] WARNING: Your kernel does not support swap limit capabilities or the cgroup is not mounted. Memory limited without swap.
[INFO] running `Command { std: "docker" "start" "-a" "9dfbadd62cda8f6624c5586346c743be2fb0403064e5c78602e2648208142fa2", kill_on_drop: false }`
[INFO] [stderr]     Finished test [unoptimized + debuginfo] target(s) in 0.03s
[INFO] [stderr]      Running /opt/rustwide/target/debug/deps/serde_diff_derive-028d23023180dd1b
[INFO] [stdout] 
[INFO] [stderr]    Doc-tests serde_diff_derive
[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] [stdout] 
[INFO] [stdout] running 3 tests
[INFO] [stdout] test src/lib.rs - serde_diff_macro_derive (line 28) ... FAILED
[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] 
[INFO] [stdout] failures:
[INFO] [stdout] 
[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] ---- 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] 
[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 `Command { std: "docker" "inspect" "9dfbadd62cda8f6624c5586346c743be2fb0403064e5c78602e2648208142fa2", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "9dfbadd62cda8f6624c5586346c743be2fb0403064e5c78602e2648208142fa2", kill_on_drop: false }`
[INFO] [stdout] 9dfbadd62cda8f6624c5586346c743be2fb0403064e5c78602e2648208142fa2
