[INFO] fetching crate serde 1.0.130...
[INFO] testing serde-1.0.130 against beta-2021-09-08 for beta-1.56-1
[INFO] extracting crate serde 1.0.130 into /workspace/builds/worker-83/source
[INFO] validating manifest of crates.io crate serde 1.0.130 on toolchain beta-2021-09-08
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+beta-2021-09-08" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }`
[INFO] started tweaking crates.io crate serde 1.0.130
[INFO] finished tweaking crates.io crate serde 1.0.130
[INFO] tweaked toml for crates.io crate serde 1.0.130 written to /workspace/builds/worker-83/source/Cargo.toml
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+beta-2021-09-08" "generate-lockfile" "--manifest-path" "Cargo.toml" "-Zno-index-update", kill_on_drop: false }`
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+beta-2021-09-08" "fetch" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-83/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-83/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:a89201d6b5b9fd45c15d5952ece0a0129e7e80cb26ec023fd59cf09bc26f1604" "/opt/rustwide/cargo-home/bin/cargo" "+beta-2021-09-08" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] 3d58d6a0fb77718d7fd43bd43f8187836026aa15451466897eaa3b79637bd5e4
[INFO] running `Command { std: "docker" "start" "-a" "3d58d6a0fb77718d7fd43bd43f8187836026aa15451466897eaa3b79637bd5e4", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "3d58d6a0fb77718d7fd43bd43f8187836026aa15451466897eaa3b79637bd5e4", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "3d58d6a0fb77718d7fd43bd43f8187836026aa15451466897eaa3b79637bd5e4", kill_on_drop: false }`
[INFO] [stdout] 3d58d6a0fb77718d7fd43bd43f8187836026aa15451466897eaa3b79637bd5e4
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-83/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-83/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" "ghcr.io/rust-lang/crates-build-env/linux@sha256:a89201d6b5b9fd45c15d5952ece0a0129e7e80cb26ec023fd59cf09bc26f1604" "/opt/rustwide/cargo-home/bin/cargo" "+beta-2021-09-08" "build" "--frozen" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] c9dd857d15301d534b5deba281ce22406a0c24279c48a41f5e942702de74dce9
[INFO] running `Command { std: "docker" "start" "-a" "c9dd857d15301d534b5deba281ce22406a0c24279c48a41f5e942702de74dce9", kill_on_drop: false }`
[INFO] [stderr]     Blocking waiting for file lock on package cache
[INFO] [stderr]    Compiling serde v1.0.130 (/opt/rustwide/workdir)
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 15.71s
[INFO] running `Command { std: "docker" "inspect" "c9dd857d15301d534b5deba281ce22406a0c24279c48a41f5e942702de74dce9", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "c9dd857d15301d534b5deba281ce22406a0c24279c48a41f5e942702de74dce9", kill_on_drop: false }`
[INFO] [stdout] c9dd857d15301d534b5deba281ce22406a0c24279c48a41f5e942702de74dce9
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-83/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-83/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" "ghcr.io/rust-lang/crates-build-env/linux@sha256:a89201d6b5b9fd45c15d5952ece0a0129e7e80cb26ec023fd59cf09bc26f1604" "/opt/rustwide/cargo-home/bin/cargo" "+beta-2021-09-08" "test" "--frozen" "--no-run" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] cf83d2c026f580026e2a77f524182019167d6a3e1785e6b4814d8e9fdccd35ec
[INFO] running `Command { std: "docker" "start" "-a" "cf83d2c026f580026e2a77f524182019167d6a3e1785e6b4814d8e9fdccd35ec", 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]    Compiling syn v1.0.76
[INFO] [stderr]    Compiling serde_derive v1.0.130
[INFO] [stderr]    Compiling serde v1.0.130 (/opt/rustwide/workdir)
[INFO] [stderr]     Finished test [unoptimized + debuginfo] target(s) in 32.61s
[INFO] running `Command { std: "docker" "inspect" "cf83d2c026f580026e2a77f524182019167d6a3e1785e6b4814d8e9fdccd35ec", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "cf83d2c026f580026e2a77f524182019167d6a3e1785e6b4814d8e9fdccd35ec", kill_on_drop: false }`
[INFO] [stdout] cf83d2c026f580026e2a77f524182019167d6a3e1785e6b4814d8e9fdccd35ec
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-83/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-83/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" "ghcr.io/rust-lang/crates-build-env/linux@sha256:a89201d6b5b9fd45c15d5952ece0a0129e7e80cb26ec023fd59cf09bc26f1604" "/opt/rustwide/cargo-home/bin/cargo" "+beta-2021-09-08" "test" "--frozen", kill_on_drop: false }`
[INFO] [stdout] f18f8e0b4d274a65adb04bebd66bf63a9a5587dff28bb17eb070dab0b5ca88e4
[INFO] running `Command { std: "docker" "start" "-a" "f18f8e0b4d274a65adb04bebd66bf63a9a5587dff28bb17eb070dab0b5ca88e4", kill_on_drop: false }`
[INFO] [stderr]     Blocking waiting for file lock on package cache
[INFO] [stderr]     Finished test [unoptimized + debuginfo] target(s) in 0.49s
[INFO] [stderr]      Running unittests (/opt/rustwide/target/debug/deps/serde-e7be2b4c5c598926)
[INFO] [stdout] 
[INFO] [stdout] running 1 test
[INFO] [stderr]    Doc-tests serde
[INFO] [stdout] test ser::impls::test_format_u8 ... ok
[INFO] [stdout] 
[INFO] [stdout] test result: ok. 1 passed; 0 failed; 0 ignored; 0 measured; 0 filtered out; finished in 0.00s
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] running 71 tests
[INFO] [stdout] test src/ser/mod.rs - ser::Serializer::serialize_f32 (line 631) ... ok
[INFO] [stdout] test src/de/mod.rs - de::Error::custom (line 301) ... ok
[INFO] [stdout] test src/de/value.rs - de::value (line 4) ... FAILED
[INFO] [stdout] test src/de/mod.rs - de::Deserializer::is_human_readable (line 1155) ... ok
[INFO] [stderr] error: test failed, to rerun pass '--doc'
[INFO] [stderr] 
[INFO] [stderr] Caused by:
[INFO] [stderr]   process didn't exit successfully: `rustdoc --crate-type lib --crate-name serde --test /opt/rustwide/workdir/src/lib.rs -L dependency=/opt/rustwide/target/debug/deps -L dependency=/opt/rustwide/target/debug/deps --extern serde=/opt/rustwide/target/debug/deps/libserde-d1af347e6d081b92.rlib --extern serde_derive=/opt/rustwide/target/debug/deps/libserde_derive-69054f4e434afa19.so -C embed-bitcode=no --cfg 'feature="default"' --cfg 'feature="std"' --cfg ops_bound --cfg core_reverse --cfg de_boxed_c_str --cfg de_boxed_path --cfg de_rc_dst --cfg core_duration --cfg integer128 --cfg range_inclusive --cfg iterator_try_fold --cfg num_nonzero --cfg serde_derive --cfg core_try_from --cfg num_nonzero_signed --cfg systemtime_checked_add --cfg std_atomic64 --cfg std_atomic --error-format human` (signal: 9, SIGKILL: kill)
[INFO] running `Command { std: "docker" "inspect" "f18f8e0b4d274a65adb04bebd66bf63a9a5587dff28bb17eb070dab0b5ca88e4", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "f18f8e0b4d274a65adb04bebd66bf63a9a5587dff28bb17eb070dab0b5ca88e4", kill_on_drop: false }`
[INFO] [stdout] f18f8e0b4d274a65adb04bebd66bf63a9a5587dff28bb17eb070dab0b5ca88e4