[INFO] fetching crate serde_plain 1.0.2...
[INFO] testing serde_plain-1.0.2 against 1.91.0 for beta-1.92-2
[INFO] extracting crate serde_plain 1.0.2 into /workspace/builds/worker-6-tc1/source
[INFO] started tweaking crates.io crate serde_plain 1.0.2
[INFO] finished tweaking crates.io crate serde_plain 1.0.2
[INFO] tweaked toml for crates.io crate serde_plain 1.0.2 written to /workspace/builds/worker-6-tc1/source/Cargo.toml
[INFO] validating manifest of crates.io crate serde_plain 1.0.2 on toolchain 1.91.0
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+1.91.0" "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" "+1.91.0" "generate-lockfile" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] [stderr]     Updating crates.io index
[INFO] [stderr]      Locking 7 packages to latest compatible versions
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+1.91.0" "fetch" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-6-tc1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-6-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@sha256:4848fb76d95f26979359cc7e45710b1dbc8f3acb7aeedee7c460d7702230f228" "/opt/rustwide/cargo-home/bin/cargo" "+1.91.0" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] 0d07de0c9fd2d748077f453da87ecbc7bb0244e900532fa8a9be68ef5b444198
[INFO] running `Command { std: "docker" "start" "-a" "0d07de0c9fd2d748077f453da87ecbc7bb0244e900532fa8a9be68ef5b444198", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "0d07de0c9fd2d748077f453da87ecbc7bb0244e900532fa8a9be68ef5b444198", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "0d07de0c9fd2d748077f453da87ecbc7bb0244e900532fa8a9be68ef5b444198", kill_on_drop: false }`
[INFO] [stdout] 0d07de0c9fd2d748077f453da87ecbc7bb0244e900532fa8a9be68ef5b444198
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-6-tc1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-6-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=warn" "-e" "RUSTDOCFLAGS=--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" "ghcr.io/rust-lang/crates-build-env/linux@sha256:4848fb76d95f26979359cc7e45710b1dbc8f3acb7aeedee7c460d7702230f228" "/opt/rustwide/cargo-home/bin/cargo" "+1.91.0" "build" "--frozen" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] 46c24d0c6fd6a11a02a891772cb58fbab458f1f8e514f6afe770f999c91ebaf8
[INFO] running `Command { std: "docker" "start" "-a" "46c24d0c6fd6a11a02a891772cb58fbab458f1f8e514f6afe770f999c91ebaf8", kill_on_drop: false }`
[INFO] [stderr]    Compiling serde_plain v1.0.2 (/opt/rustwide/workdir)
[INFO] [stderr]     Finished `dev` profile [unoptimized + debuginfo] target(s) in 0.47s
[INFO] running `Command { std: "docker" "inspect" "46c24d0c6fd6a11a02a891772cb58fbab458f1f8e514f6afe770f999c91ebaf8", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "46c24d0c6fd6a11a02a891772cb58fbab458f1f8e514f6afe770f999c91ebaf8", kill_on_drop: false }`
[INFO] [stdout] 46c24d0c6fd6a11a02a891772cb58fbab458f1f8e514f6afe770f999c91ebaf8
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-6-tc1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-6-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=warn" "-e" "RUSTDOCFLAGS=--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" "ghcr.io/rust-lang/crates-build-env/linux@sha256:4848fb76d95f26979359cc7e45710b1dbc8f3acb7aeedee7c460d7702230f228" "/opt/rustwide/cargo-home/bin/cargo" "+1.91.0" "test" "--frozen" "--no-run" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] 43aafcd4099501d660b4d614019db4fac23a38a6dde1a0a42b5c40d9d990cba3
[INFO] running `Command { std: "docker" "start" "-a" "43aafcd4099501d660b4d614019db4fac23a38a6dde1a0a42b5c40d9d990cba3", kill_on_drop: false }`
[INFO] [stderr]    Compiling syn v2.0.108
[INFO] [stderr]    Compiling serde_derive v1.0.228
[INFO] [stderr]    Compiling serde_plain v1.0.2 (/opt/rustwide/workdir)
[INFO] [stderr]     Finished `test` profile [unoptimized + debuginfo] target(s) in 7.52s
[INFO] running `Command { std: "docker" "inspect" "43aafcd4099501d660b4d614019db4fac23a38a6dde1a0a42b5c40d9d990cba3", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "43aafcd4099501d660b4d614019db4fac23a38a6dde1a0a42b5c40d9d990cba3", kill_on_drop: false }`
[INFO] [stdout] 43aafcd4099501d660b4d614019db4fac23a38a6dde1a0a42b5c40d9d990cba3
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-6-tc1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-6-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=warn" "-e" "RUSTDOCFLAGS=--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" "ghcr.io/rust-lang/crates-build-env/linux@sha256:4848fb76d95f26979359cc7e45710b1dbc8f3acb7aeedee7c460d7702230f228" "/opt/rustwide/cargo-home/bin/cargo" "+1.91.0" "test" "--frozen", kill_on_drop: false }`
[INFO] [stdout] 471a6837bcb3176e115133574611c7e50ef996b30cbf9633aee886f440b43acf
[INFO] running `Command { std: "docker" "start" "-a" "471a6837bcb3176e115133574611c7e50ef996b30cbf9633aee886f440b43acf", kill_on_drop: false }`
[INFO] [stderr]     Finished `test` profile [unoptimized + debuginfo] target(s) in 0.04s
[INFO] [stderr]      Running unittests src/lib.rs (/opt/rustwide/target/debug/deps/serde_plain-293114eeb1173b63)
[INFO] [stdout] 
[INFO] [stdout] running 2 tests
[INFO] [stdout] test macros::test_derive_display_from_serialize_lifetimes ... ok
[INFO] [stdout] test macros::test_derive_serialize_from_display_lifetimes ... ok
[INFO] [stdout] 
[INFO] [stdout] test result: ok. 2 passed; 0 failed; 0 ignored; 0 measured; 0 filtered out; finished in 0.00s
[INFO] [stdout] 
[INFO] [stderr]      Running tests/test_de.rs (/opt/rustwide/target/debug/deps/test_de-62045dcd1f5a0c27)
[INFO] [stdout] 
[INFO] [stdout] running 3 tests
[INFO] [stdout] test test_basics ... ok
[INFO] [stdout] test test_from_str ... ok
[INFO] [stdout] test test_untagged_enum ... ok
[INFO] [stderr]      Running tests/test_macros.rs (/opt/rustwide/target/debug/deps/test_macros-e3c65011d997c110)
[INFO] [stdout] 
[INFO] [stdout] test result: ok. 3 passed; 0 failed; 0 ignored; 0 measured; 0 filtered out; finished in 0.00s
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] running 5 tests
[INFO] [stdout] test test_derive_deserialize ... ok
[INFO] [stdout] test test_derive_serialize ... ok
[INFO] [stdout] test test_forward_custom_error_conversion ... ok
[INFO] [stdout] test test_forward_basics ... ok
[INFO] [stdout] test test_forward_custom_error ... ok
[INFO] [stdout] 
[INFO] [stdout] test result: ok. 5 passed; 0 failed; 0 ignored; 0 measured; 0 filtered out; finished in 0.00s
[INFO] [stdout] 
[INFO] [stderr]      Running tests/test_ser.rs (/opt/rustwide/target/debug/deps/test_ser-71dd2ed2e19c790b)
[INFO] [stdout] 
[INFO] [stdout] running 2 tests
[INFO] [stdout] test test_basics ... ok
[INFO] [stdout] test test_to_string ... ok
[INFO] [stdout] 
[INFO] [stdout] test result: ok. 2 passed; 0 failed; 0 ignored; 0 measured; 0 filtered out; finished in 0.01s
[INFO] [stdout] 
[INFO] [stderr]    Doc-tests serde_plain
[INFO] [stdout] 
[INFO] [stdout] running 8 tests
[INFO] [stdout] test src/macros.rs - macros::derive_display_from_serialize (line 86) ... ok
[INFO] [stdout] test src/macros.rs - macros::derive_fromstr_from_deserialize (line 4) ... ok
[INFO] [stdout] test src/macros.rs - macros::derive_serialize_from_display (line 204) ... ok
[INFO] [stdout] test src/macros.rs - macros::derive_deserialize_from_fromstr (line 132) ... ok
[INFO] [stdout] test src/macros.rs - macros::derive_fromstr_from_deserialize (line 30) ... ok
[INFO] [stdout] test src/lib.rs - (line 40) ... ok
[INFO] [stdout] test src/lib.rs - (line 15) ... ok
[INFO] [stdout] test src/lib.rs - (line 21) ... ok
[INFO] [stdout] 
[INFO] [stdout] test result: ok. 8 passed; 0 failed; 0 ignored; 0 measured; 0 filtered out; finished in 0.80s
[INFO] [stdout] 
[INFO] running `Command { std: "docker" "inspect" "471a6837bcb3176e115133574611c7e50ef996b30cbf9633aee886f440b43acf", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "471a6837bcb3176e115133574611c7e50ef996b30cbf9633aee886f440b43acf", kill_on_drop: false }`
[INFO] [stdout] 471a6837bcb3176e115133574611c7e50ef996b30cbf9633aee886f440b43acf