[INFO] fetching crate serde-json-core-fmt 0.1.1...
[INFO] testing serde-json-core-fmt-0.1.1 against master#432e145bd5a974c5b6f4dd9b352891bd7502b69d for pr-87041
[INFO] extracting crate serde-json-core-fmt 0.1.1 into /workspace/builds/worker-2/source
[INFO] validating manifest of crates.io crate serde-json-core-fmt 0.1.1 on toolchain 432e145bd5a974c5b6f4dd9b352891bd7502b69d
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+432e145bd5a974c5b6f4dd9b352891bd7502b69d" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }`
[INFO] removed /workspace/builds/worker-2/source/rust-toolchain
[INFO] started tweaking crates.io crate serde-json-core-fmt 0.1.1
[INFO] finished tweaking crates.io crate serde-json-core-fmt 0.1.1
[INFO] tweaked toml for crates.io crate serde-json-core-fmt 0.1.1 written to /workspace/builds/worker-2/source/Cargo.toml
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+432e145bd5a974c5b6f4dd9b352891bd7502b69d" "generate-lockfile" "--manifest-path" "Cargo.toml" "-Zno-index-update", kill_on_drop: false }`
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+432e145bd5a974c5b6f4dd9b352891bd7502b69d" "fetch" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-2/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@sha256:34b6a614d2c27851fe6cbf88fbd1137609cefab8b10d0615aaeb6fd47975d74e" "/opt/rustwide/cargo-home/bin/cargo" "+432e145bd5a974c5b6f4dd9b352891bd7502b69d" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] 6706ab58fff2732c4b90e6fcb68df5df3a33c97818e9a2e09017609103f35ec4
[INFO] running `Command { std: "docker" "start" "-a" "6706ab58fff2732c4b90e6fcb68df5df3a33c97818e9a2e09017609103f35ec4", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "6706ab58fff2732c4b90e6fcb68df5df3a33c97818e9a2e09017609103f35ec4", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "6706ab58fff2732c4b90e6fcb68df5df3a33c97818e9a2e09017609103f35ec4", kill_on_drop: false }`
[INFO] [stdout] 6706ab58fff2732c4b90e6fcb68df5df3a33c97818e9a2e09017609103f35ec4
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-2/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" "-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@sha256:34b6a614d2c27851fe6cbf88fbd1137609cefab8b10d0615aaeb6fd47975d74e" "/opt/rustwide/cargo-home/bin/cargo" "+432e145bd5a974c5b6f4dd9b352891bd7502b69d" "build" "--frozen" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] 10125b48ba8db86d05f0bc6e44f5c79aeb70ac29d5631551d3cdb6a4ad4e2447
[INFO] running `Command { std: "docker" "start" "-a" "10125b48ba8db86d05f0bc6e44f5c79aeb70ac29d5631551d3cdb6a4ad4e2447", kill_on_drop: false }`
[INFO] [stderr]    Compiling serde v1.0.126
[INFO] [stderr]    Compiling serde-json-core-fmt v0.1.1 (/opt/rustwide/workdir)
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 3.94s
[INFO] running `Command { std: "docker" "inspect" "10125b48ba8db86d05f0bc6e44f5c79aeb70ac29d5631551d3cdb6a4ad4e2447", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "10125b48ba8db86d05f0bc6e44f5c79aeb70ac29d5631551d3cdb6a4ad4e2447", kill_on_drop: false }`
[INFO] [stdout] 10125b48ba8db86d05f0bc6e44f5c79aeb70ac29d5631551d3cdb6a4ad4e2447
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-2/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" "-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@sha256:34b6a614d2c27851fe6cbf88fbd1137609cefab8b10d0615aaeb6fd47975d74e" "/opt/rustwide/cargo-home/bin/cargo" "+432e145bd5a974c5b6f4dd9b352891bd7502b69d" "test" "--frozen" "--no-run" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] 0fae85c134eea0dea5d62de9b178058361953c03432b9e65c245dd89930cedd0
[INFO] running `Command { std: "docker" "start" "-a" "0fae85c134eea0dea5d62de9b178058361953c03432b9e65c245dd89930cedd0", kill_on_drop: false }`
[INFO] [stderr]    Compiling proc-macro2 v1.0.27
[INFO] [stderr]    Compiling quote v1.0.9
[INFO] [stderr]    Compiling syn v1.0.73
[INFO] [stderr]    Compiling serde_derive v1.0.126
[INFO] [stderr]    Compiling serde-json-core-fmt v0.1.1 (/opt/rustwide/workdir)
[INFO] [stderr]     Finished test [unoptimized + debuginfo] target(s) in 11.96s
[INFO] running `Command { std: "docker" "inspect" "0fae85c134eea0dea5d62de9b178058361953c03432b9e65c245dd89930cedd0", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "0fae85c134eea0dea5d62de9b178058361953c03432b9e65c245dd89930cedd0", kill_on_drop: false }`
[INFO] [stdout] 0fae85c134eea0dea5d62de9b178058361953c03432b9e65c245dd89930cedd0
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-2/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" "-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@sha256:34b6a614d2c27851fe6cbf88fbd1137609cefab8b10d0615aaeb6fd47975d74e" "/opt/rustwide/cargo-home/bin/cargo" "+432e145bd5a974c5b6f4dd9b352891bd7502b69d" "test" "--frozen", kill_on_drop: false }`
[INFO] [stdout] 15879836289c085b7bb7d157a0015766ebb541e2014f76dedcb6ee072ee062d5
[INFO] running `Command { std: "docker" "start" "-a" "15879836289c085b7bb7d157a0015766ebb541e2014f76dedcb6ee072ee062d5", kill_on_drop: false }`
[INFO] [stderr]     Finished test [unoptimized + debuginfo] target(s) in 0.01s
[INFO] [stderr]      Running unittests (/opt/rustwide/target/debug/deps/serde_json_core_fmt-784020cf75a402b9)
[INFO] [stdout] 
[INFO] [stdout] running 33 tests
[INFO] [stdout] test de::tests::array ... ok
[INFO] [stdout] test de::tests::bool ... ok
[INFO] [stdout] test de::tests::enum_clike ... ok
[INFO] [stdout] test de::tests::floating_point ... ok
[INFO] [stdout] test de::tests::ignoring_extra_fields ... ok
[INFO] [stdout] test de::tests::integer ... ok
[INFO] [stdout] test de::tests::newtype_struct ... ok
[INFO] [stdout] test de::tests::str ... ok
[INFO] [stdout] test de::tests::struct_bool ... ok
[INFO] [stdout] test de::tests::struct_i8 ... ok
[INFO] [stdout] test de::tests::struct_f32 ... ok
[INFO] [stdout] test de::tests::struct_option ... ok
[INFO] [stdout] test de::tests::struct_tuple ... ok
[INFO] [stdout] test de::tests::struct_u8 ... ok
[INFO] [stdout] test de::tests::test_newtype_variant ... ok
[INFO] [stdout] test de::tests::test_struct_variant ... ok
[INFO] [stdout] test de::tests::test_unit ... ok
[INFO] [stdout] test ser::tests::array ... ok
[INFO] [stdout] test ser::tests::bool ... ok
[INFO] [stdout] test de::tests::wot ... ok
[INFO] [stdout] test ser::tests::enum_ ... ok
[INFO] [stdout] test ser::tests::struct_ ... ok
[INFO] [stdout] test ser::tests::str ... ok
[INFO] [stdout] test ser::tests::struct_bool ... ok
[INFO] [stdout] test ser::tests::struct_f32 ... ok
[INFO] [stdout] test ser::tests::struct_i8 ... ok
[INFO] [stdout] test ser::tests::struct_option ... ok
[INFO] [stdout] test ser::tests::struct_u8 ... ok
[INFO] [stdout] test ser::tests::test_newtype_struct ... ok
[INFO] [stdout] test ser::tests::test_newtype_variant ... ok
[INFO] [stdout] test ser::tests::test_serialize_bytes ... ok
[INFO] [stdout] test ser::tests::test_struct_variant ... ok
[INFO] [stdout] test ser::tests::test_unit ... ok
[INFO] [stdout] 
[INFO] [stdout] test result: ok. 33 passed; 0 failed; 0 ignored; 0 measured; 0 filtered out; finished in 0.00s
[INFO] [stdout] 
[INFO] [stderr]    Doc-tests serde-json-core-fmt
[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] running `Command { std: "docker" "inspect" "15879836289c085b7bb7d157a0015766ebb541e2014f76dedcb6ee072ee062d5", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "15879836289c085b7bb7d157a0015766ebb541e2014f76dedcb6ee072ee062d5", kill_on_drop: false }`
[INFO] [stdout] 15879836289c085b7bb7d157a0015766ebb541e2014f76dedcb6ee072ee062d5